• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
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    • 专利摘要:
    The rotating electrical machine connector stator (22) comprises a stator body, a stator winding (19) carried by the stator body, a winding bun (19) projecting from one side of the body of the stator, a connector (22) connected to the ends of the winding bun (19), an elongated cavity (28) delimited by an internal face of the connector (22) and a face of the bun (19) facing towards said inner face of the connector, a temperature measurement unit (25) housed in the cavity, said measurement unit having an elastic probe support (13) connected to a resin-coated temperature sensor (112) (202) said probe support being configured to be deformably inserted into said elongate cavity (28) so as to bear against said inner face of the connector (22) defining said cavity for holding said temperature probe for holding said time probe temperature through the resin (202) in contact with said winding bun (19). The rotating electrical machine comprises such a stator Applications: alternators, alternator-starters, electric motors
    公开号:FR3037738A1
    申请号:FR1555687
    申请日:2015-06-22
    公开日:2016-12-23
    发明作者:Baraka Khadija El；Svetislav Jugovic
    申请人:Valeo Equipements Electriques Moteur SAS；
    IPC主号:
    专利说明:

    [0001] TECHNICAL FIELD OF THE INVENTION The present invention relates to a stator of a rotating electrical machine comprising a connector and a thermal measurement unit comprising a temperature probe and a thermal sensor. probe support. The invention also relates to a rotating electrical machine 10 comprising such a stator. The invention finds a particularly advantageous application with alternators for motor vehicles but could also be used with rotating electrical machines of the electric motor or alternator-starter type. BACKGROUND ART As is known, rotating electrical machines comprise two coaxial parts, namely a rotor and a stator surrounding the body of the rotor. The rotor may be integral with a driving and / or driven rotor shaft and may belong to a rotating electrical machine in the form of an alternator, as described for example in WO 02/093717, or an engine as described for example in EP 0 831 580. The alternator may be reversible as described for example in WO 2006/129030 and FR 3 005 900. Such a reversible alternator is called alternator-starter. It makes it possible, on the one hand, to convert mechanical energy into electrical energy when it operates in alternator mode, in particular to power consumers and / or recharge a battery, and on the other hand to transform electrical energy into electricity. mechanical energy when operating in electric motor mode to start a particular engine such as that of a motor vehicle. The electric machine comprises a casing preferably of non-magnetic material, for example based on aluminum. A non-magnetic material, such as stainless steel, aluminum, plastic or brass, is a poor magnetic flux conductor. This non-magnetic material reduces or eliminates magnetic leakage. The stator has a body and the casing carries at its outer periphery the stator body with the presence of an air gap between the inner periphery of the stator body and the outer periphery of the rotor body.
    [0002] The housing comprises at least one front flange and a rear flange configured to carry centrally to rotate the rotor shaft for example by means of bearings, such as ball bearings and / or needle. Thus the housing carries the stator and the rotor. The axis of symmetry of the rotor shaft constitutes the axis of rotation of the electric machine.
    [0003] In another embodiment, as described for example in documents FR 2 782 356 and FR 3 005 900 to which reference will be made, the housing comprises a spacer interposed axially between the engine block of a heat engine and the bell of the gearbox. of a motor vehicle. The spacer carries at its inner periphery the body of the stator, while the end of the engine block and the bell of the gearbox constitute respectively the front flange and the rear flange of the housing In the document FR 2 782 356 the rotor is carried by an annular protrusion of the flywheel of the clutch integral in rotation with the crankshaft of the engine of the vehicle.
    [0004] Alternatively the rotor is carried by a sleeve integral with an intermediate shaft rotatably mounted with the aid of an inner sleeve of a fixed inner web belonging to the spacer as described in FR 3 005 900. In all cases the casing carries at its outer periphery the stator body and serves internally housing the integral rotor directly or 3037738 indirectly from a driving shaft and / or driven penetrating at least partially into the housing. This rotor is mounted coaxially with the stator. The stator body of an alternator or a multiphase starter-alternator, as used in the equipment of motor vehicles, carries a multiphase stator winding 5 extending axially on either side of the body. stator for forming buns called winding buns. This stator winding comprises at least one winding per phase. The number of phases may be at least three. The stator body is usually constituted by a stack of thin sheets forming a conductive ring of the magnetic flux, the inner face of which is provided with notches receiving the windings of the phases. The notches are generally open inward to form teeth. In the stators of such generators, "concentric" windings constituted by coils which are wound around the teeth of the stator are commonly used, as described, for example, in the documents FR 2 992 495 and FR 3 005 900 to which we will refer. The windings of the phases may be made of continuous wire, which comprise an electrically, usually copper or aluminum, element covered with at least one electrically insulating layer, such as enamel. The ends of the phase windings are connected to a rectifier bridge; as described for example in WO 02/093717 and WO 02/054566, for rectifying the alternating current induced in the DC stator winding. As a variant, the ends of the windings 25 of the phases are connected to an inverter as described for example in the documents FR 3 005 900 and EP 0 831 580. In all cases the inverter or the rectifier bridge comprises electronic power components, such as that diodes or transistors of the MOSFET type, mounted in pairs in branches connected to the ends of the windings of the phases as can be seen for example in FIG. 1 of EP 0 831 580. In all the configurations, it is important to provide means protect the electric machine in case of overheating to prevent its damage. To detect the thermal state of the machine, several solutions are possible. Thus, in the case of an oversized machine compared to the application, the implementation of a simple embedded algorithm is sufficient to determine the stator temperature. On the other hand, when it is desired to take maximum advantage of the machine's performance, it is necessary to improve the accuracy of the temperature estimator algorithm, which necessitates increasing the size of the dedicated module. However, this is not necessarily possible given the constraints of implantation of the machine in its environment which can be very strict, as is the case for example for an alternator installed in the front part of a motor vehicle . In this type of situation, the use of a temperature probe implanted inside the machine is therefore preferred. This probe is connected to a thermal protection circuit configured to cut off the power supply of the machine upon detection of overheating. The temperature probe assembly - probe holder is called the thermal measuring unit. The thermal measuring unit is conventionally implanted in favor of the casing of the rotating electrical machine.
    [0005] It may be desirable to implant the measuring unit in the stator of the rotating electrical machine and subsequently mount this stator equipped with the measuring unit in the housing of the machine. OBJECT OF THE INVENTION The object of the invention is to respond to this wish. According to the invention, the rotating electrical machine connector stator comprises a stator body, a stator winding carried by the stator body, a winding bun extending protruding from one side of the stator body, a connector connected to the ends of the winding bun 30 an elongate cavity delimited by an inner face of the connector and a face of the bun facing said inner face of the connector, a temperature measurement unit 3037738 5 measured in the cavity, said measuring unit having an elastic probe support connected to a resin-coated temperature probe, said probe support being configured to be deformably inserted into said elongate cavity so as to bear against said inner face of the connector defining said cavity for maintaining said temperature probe via the resin in contact with said winding bun. Thanks to the invention it is possible to equip the stator in advance with a unit for measuring the temperature and form a stator-connector assembly and unit 10 for measuring the manipulable and transportable temperature. This assembly can then be mounted in the casing of the rotating electrical machine, for example by shrinking the stator body into the outer periphery of the casing. This final assembly can be performed in the same place or in another place than the stator.
    [0006] Furthermore, because of the presence of the probe cover resin, there is no problem in contacting the probe with the winding bun even in the case of expansion of the probe support. The resin protects the coating of the insulating layer of the winding bunion concerned so that such a system does not need to provide means 20 to avoid a short circuit between the probe holder and the electrical traces that the connector comprises. In addition, the resin constitutes an electrical insulator and may be configured to constitute a heat sink between the probe and the part facing the winding bun 25. According to the invention, the rotating electrical machine is characterized in that it includes such a stator. In a preferred embodiment, said measurement unit comprises a temperature probe carried internally by an electrically insulating intermediate casing and secured to an elastic support for fixing to the connector intended to bear on the internal face of the cavity, of the resin covering the probe and extending protruding from the housing for contact with the bun and at least one connecting wire to the probe carried internally by the housing at its probe connecting end. With this arrangement the housing and the resin provide electrical insulation of the probe and or son of connection and a large heat transfer 5 can be achieved, via the resin, between the probe and the bun. The housing-resin-probe-wire (s) assembly can be made in one place and sealed, especially via glue or gel, and then easily assembled to the connector in the same location or location. different. The son or son may be stripped partly inside the housing.
    [0007] It will be appreciated that the presence of the casing makes it possible to reduce the quantity of resin, in particular because the son or wires are carried by the casing. It will also be appreciated that the housing material and the composition of the resin can be independently selected to perform the binding and support functions with the bun. Thus the housing may be stiffer than the resin, while the resin may provide better heat transfer than the housing. The composition of the resin and the material of the housing depend on the temperature reached by the bun. In general, temperature-resistant components are chosen, since the resin is an electrical insulator.
    [0008] In addition, because of the presence of the housing, the support does not have to be covered with resin so that it is more elastic and is simplified. The load exerted by the support on the housing can be well controlled. The assembly of the support with housing can be achieved without using additional parts.
    [0009] In addition, the support presses the resin covering the probe in contact with the bun via the intermediate housing constituting a pressure plate so that a good temperature detection is obtained, the probe and the end of the or son being encapsulated between the housing and the resin and well protected against external aggression. As is clear from the foregoing the resin constitutes a heat sink between the probe and a portion of the bun vis-à-vis. According to other characteristics taken alone or in combination: the support comprises a first fixing arm to the stator connector, a second support arm of the housing and a rounded bottom connecting the first arm to the second arm; the angle of the rounded bottom is greater than 90 °; The width of the bottom is generally equal to the width of the second arm; the second arm is longer than the first arm; - The bottom is offset from the outer face of the housing; the first arm comprises a first portion connected to the bottom and extended by a second docking portion for contact with the inner face of the connector; the first portion of the first arm comprises means for improving its flexibility; the first portion of the first arm is narrower than the bottom and the second portion; the first portion is inclined relative to the second portion; the free end of the second portion of the first arm is extended by a base for attachment to the casing that extends transversely outwards for contact with a transverse flange of the connector delimiting the cavity; - The attachment to the transverse flange is made by screwing, latching or crimping; the transverse flange belongs to a protrusion of the connector, such as a paw or an ear; The transverse flange belongs to the outer periphery of the connector; Rotational locking means intervene between the fixing base and the outer periphery of the connector; the locking means in .rotation intervene between the fixing base and a lug or a projecting lug of the outer periphery 5 of the connector; the rotational locking means comprise a recess formed at the outer periphery of the lug or the lug of the connector for penetration circumferential clearance mounting an axial fold that has the fastening base at its outer periphery; A radial clearance exists between the bottom of the notch and the fold; the housing is made of synthetic material; the synthetic material is of the thermosetting type; - the case is in PPA; the case is in PA 6.6; The casing is made of plastic material loaded with fibers such as glass fibers; the case is elongated, its length being greater than its width; the casing is of generally parallelepipedal shape; the housing comprises an internal housing in the form of a recess for housing the probe; the housing has an internal housing for mounting a PCB support carrying the probe; the housing comprises a separation wall for separating the ends of the connection wires to the probe; One of the ends of the wall is in the extension of the recess or the housing of the PCB support; - the other end of the wall opens into a cavity into which penetrates the ends of the son covered with an electrical insulation layer such as enamel; the wires are fixed in the cavity with glue or heat-resistant gel; the wires are connected to a protection circuit to enable the power supply to be cut off from the machine when the control unit detects overheating - the wires are connected to a remote connector which is connected to the circuit 10 protection ; - The inner face of the housing has an opening for access to the recess or PCB support; the covering resin of the probe protrudes in favor of the opening relative to the internal face of the housing with the presence of a clearance between the housing and the bun facing each other; the resin has a size smaller than that of the opening, glue or gel being interposed between the resin and the free edges of the opening to close the opening; the resin has a protruding portion extended by a portion 20 less thick to close the opening; the resin is less rigid than the housing; the resin is configured to have better heat transfer than the housing; the resin is hydrophobic; The resin comprises silicone; the resin comprises elastomer; the resin comprises a silicone rubber; The resin is configured to be more flexible than the housing and to provide greater heat transfer than the housing; the resin is configured to form a heat sink between the probe and the bun vis-à-vis; The support comprises a perforated arm fixed by riveting or hot crushing to projecting pins coming from the external face of the housing; the support comprises a perforated arm snap-fastened to projecting studs with shouldered heads coming from the external face of the casing, the arm holes having internal lugs for locking the pins; the support comprises an arm provided with oblong-shaped holes delimited by deployable tabs for securing it to housing pins by relative vertical movement of the arm relative to the housing and locking the pins by the tongues; 15 - the rotating electrical machine is an alternator belonging to a range extender of an electric vehicle; the rotating electrical machine is an alternator-starter; - the rotating electrical machine is an electric motor; the rotating electrical machine is a current generator 20 supplying the winding of a rotor of an alternator or an electromagnetic retarder. BRIEF DESCRIPTION OF THE FIGURES The invention will be better understood on reading the description which follows and on examining the figures that accompany it. These figures are given for illustrative but not limiting purposes of the invention. FIG. 1 represents a partial perspective view of the stator of a rotating electrical machine equipped with a connector according to the invention, before mounting a unit for measuring the temperature in a cavity delimited in part by the connector; FIG. 2 is a partial sectional view showing the measuring unit mounted in the cavity delimited by the connector and by a winding bun; FIG. 3 is a perspective view of the measuring unit of FIGS. 1 and 2 for a first embodiment showing the location of the encapsulation resin of the probe; Figure 4 is a perspective view similar to Figure 3 without the encapsulating resin for showing the probe of the measurement unit and its power supply wires; Figure 5 is a sectional view along the line A-A of Figure 6; Figure 6 is a top view of Figures 3 to 5; Figure 7 is a perspective view of the measuring unit of Figures 1 to 6 for a first method of assembling the elastic support with its housing; Figure 8 is a perspective view of the elastic support of the probe for a second method of assembling the elastic support with the housing; Figure 9 is a rear view of the support of the probe of Figure 8; Figure 10 is a perspective view of the measurement unit of Figures 8 and 9; Fig. 11 is a perspective view of the measurement unit for a third method of assembling the elastic support with the housing; Figure 12 is a perspective view of a wound stator equipped with a connector according to the prior art. Identical, similar, or like elements retain the same reference from one figure to another.
    [0010] SUMMARY OF THE EXAMPLES OF THE INVENTION In the figures, for simplicity, elements similar or similar to those of document FR 2 992 495 will be given the same reference signs. More precisely according to the invention, a wound stator 11 with a connector of the type of FIG. 12 is used. With reference to FIG. 12, it will be recalled that this stator 11 of a polyphase rotating electrical machine comprises a body 12 in the form of a pack of sheets. The body 12 can be mounted by shrinking in the housing of the machine. For example it can be mounted by shrinking in the outer periphery 10 of the front flange and / or rear of the housing of the machine. Alternatively it may be mounted by shrinking in the spacer that includes the housing between its front and rear flanges as written and visible in the document FR 3 005 900 supra. This spacer may be provided with a channel for the circulation of a cooling fluid, such as the coolant 15 of the motor vehicle or oil. Documents FR 2 782 756 and FR 3 005 900 show such channels. The body 12 has internal teeth 14 integral with a cylinder head 17. The teeth 14 delimit with the cylinder head 17 notches 15. This body 12 carries via its teeth 14 coils 19 mounted on insulators 20. The coils 19 20 belong to a concentric polyphase stator winding including a neutral. The coils 19 extend on either side of the body 12 of the stator 11 to form buns called winding bun 19. There is also provided a connector 22 having at least four electrically conductive frames of annular shape, for example copper The frames are stacked on top of one another and electrically insulated from each other, such as PA 6.6. For example, the frames are embedded in a plastic body 38. The frames have on their inner periphery tabs for welding the ends 191, 192 of the coils 19. In this example, the stator winding is of the three-phase star-mounted type and one of the frames, called the neutral frame, is intended to to be connected to the neutral of the machine, while the other three frames, said phase frames are each intended to be connected to one of the phases of the machine. Of course one can increase the number of phases of the machine and thus the number of phase frames thereof. Each frame has at its outer periphery a U-shaped connection terminal 41-43 for connection with a power connector. The outer diameter of the annular body 38 is smaller than the outer diameter of the yoke 17. The stator 11 and the connector respectively have an axis of axial symmetry X; X1. In the remainder of the description the axial, radial, circumferential and transverse orientations will be made with reference to these X axes; X1 combined 10 The connector 22 has indexing pins 53 to adjust during assembly a positioning of the connector 22 relative to the stator 11. This connector further has at its outer periphery support feet 61 intended to rest on the rim of the yoke 17 of the stator. More specifically, the feet 61 have an L shape with an upper end fixed to the outer periphery of the body 38 and a lower end consisting of a support resting on the rim of the yoke 17. For the other references, reference will be made to the description of this document, the welding tabs bearing the reference 36. The number of tabs 36 is a function of the number of phases of the machine.
    [0011] In the present invention, the connector 22 of the ends 191, 192 of the stator winding is configured to mount a temperature measuring unit 25 as shown in FIGS. 1 and 2. According to the invention, the stator 11 with the machine connector 22 rotating electrical apparatus comprises a stator body, a stator winding 19 carried by the stator body, a winding bun 19 projecting from one side of the stator body, a connector 22 connected to the ends of the bun coil 19, an elongated cavity 28 delimited by an internal face of the connector 22 and a face of the bun 19 facing towards said inner face of the connector, a temperature measurement unit 25 housed in the cavity, said measurement unit comprising a an elastic probe support 13 connected to a resin-coated temperature probe 112, said probe support being configured to be deformed inserted into said cavity 28 elongated so as to bear against said internal face of the connector delimiting said cavity for holding said temperature probe via the resin 202 in contact with said winding bobbin 19. First embodiment Figures 1 to 7 show a first exemplary embodiment according to the invention using an architecture of the type of that of document FR 2 2 992 495. In order to protect the electric machine equipped with this stator 11 to connector 22 in the event of overheating, this machine is equipped with a thermal protection unit 25 comprising a support 13 and a probe 112. This unit 25 is intended to be connected via at least one wire 18 to a thermal protection circuit 15 (not shown) configured to cut off the power supply to the power supply. machine when detecting overheating. More precisely, a temperature probe 112 (visible in particular in FIGS. 1, 2, 4 and 5) carried internally by an electrically insulating casing 200 and secured to a resilient mounting support 20 to the connector 22 of the burning electrical machine is used. . The housing 200 is an intermediate housing between the probe 112 and the support 13. This housing 200 carries, on the one hand, internally the connection end to the probe of or connection son 18 and on the other hand, externally the In this embodiment, the housing 200 has an elongated shape, its length being greater than its width. It has a parallelepipedic shape overall. Of course it depends on the applications. In this example the housing 200 has at one end of its length a cavity 207 for receiving the son or son 18, while the other end of its length is closed and has a rounded shape. The housing 200 may be wider than it is tall. In general, the size of the housing 200 and the thermal measurement unit 25 is determined by the size of the cavity 28, described below, in which the measurement unit 25 is housed according to a characteristic. According to one characteristic, the probe 112 is covered with resin 202 (FIGS. 2 to 4), which projects inwardly with respect to the internal face of the housing 200 facing the coil winding pin 19, as visible for example at FIG. 2. The resin 202 is intended to come into local contact with the bun concerned of the winding 19 of the stator 12. Here the resin is intended to come into contact with one of the lateral sides of a coil 19. The resin is a heat-resistant resin transmits through the bun of the winding 19. It ensures a large heat transfer between the probe 112 and the bun concerned winding 19. This resin is, like all conventional resins, electrically insulating . The inner face of this resin 202 has a larger contact area with the bun 19 than that between the direct contact between the probe 112 and the bun as shown in FIG. 3. The resin 202 provides sealing and insulation electrical probe 112 and the end of the son or son 18, which can be stripped. The housing 200 also participates in sealing as shown in Figure 2. The resin 202 protects the bun concerned and prevents the insulation layer of the electrical conductors of the coil 19 is damaged. The resin may be hydrophobic. It may have greater flexibility than the plastic and contain silicone resistant to temperatures of the order of 300 °. It may contain an elastomer and be a silicone rubber. This resin may be configured to ensure a heat transfer greater than that of the housing 200, which may be more rigid. The resin 202 may constitute a heat sink between the probe and the bun. It will be appreciated that the housing 200 is not in contact with the bun because of the presence of the projecting resin. A clearance exists between the housing 200 and the winding bun 19 vis-à-vis which improves the accuracy of the measurement.
    [0012] From the foregoing it follows that the housing can be manufactured in one place and equipped with or of the son 18 and the probe 112 covered with resin 202, making the whole waterproof, for example by means of glue or gel as described below. Then in the same place or in another place it is possible to assemble this box 200 equipped with the support 13. The presence of the casing 200 also makes it possible to reduce the quantity of resin 202. The support 13, as described below, resiliently biased via the housing 200, the resin 202 in contact with the coil winding pin 19. The housing 200 therefore constitutes a pressure plate for the resin cover 112 of the probe encapsulated between the housing and the resin and thus well insulated and protected against aggression from the outside (water, dirt, dust etc.). The resin 202 may also cover the end of or connection son 18 to the probe 12 and protect this end.
    [0013] Advantageously, the housing 200 is made of a poor heat conducting material. This arrangement makes it possible to avoid heat transfer between the elastic support 13 and the probe 112. It improves the accuracy of the probe 112 The housing 200 is preferably made of moldable material to easily obtain the desired shapes. The support 13 is according to an offset characteristic with respect to the housing 200. These arrangements make it possible to improve the elasticity of the support 13, to further reduce the heat transfer to the probe 112. The contact between the support 13 and the external face of the support 13 The housing 200 may be punctual as described below to further reduce the heat transfer and promote the elasticity of the support 13. This probe 112 may be connected to a remote connector (not shown) via a beam in this case at least one electrical wire 18 covered with an electrical insulation layer outside the housing 200. In the embodiments of Figures 1 to 11, there are two wires 18 One of the ends of these probe connection wires is electrically insulated by the housing 200 as will be described hereinafter. The temperature sensor 112 is preferably of the CTN (Negative Temperature Coefficient) type, which can be connected, in the context of an alternator, to the control unit or to the control unit via the connector ( not visible), which can be fixed on a wall of the housing of the machine. The connector is connected to an integrated protection circuit, which can be integrated into one of the power modules of the control unit. This protection circuit can be used to cut off the power supply to the machine when the superheat is detected by the control unit. Alternatively, in the context of an alternator, the probe may be connected to the voltage regulator via the connector (not visible), which may be attached to a wall of the housing of the machine. In the event of overheating, the probe may make it possible to send, via the protection circuit, information to the voltage regulator to cut off the power supply to the excitation winding 10 of the claw rotor and to demagnetize the rotor. In the context of an alternator-starter it may be the same, so in case of overheating the probe may allow to send information to a protection circuit of the control unit driving the voltage regulator to cut the energizing the excitation coil of the claw rotor and demagnetizing the rotor. Alternatively the probe can send information to the protection circuit to open at least one of the branches of the voltage rectifier bridge or the inverter. Thus the probe can send information to the protection circuit to open the neutral point of the star assembly visible for example in Figure 1 of EP 0 831 580.
    [0014] The assembly formed by the resin 202, the temperature probe 112, the housing 200 and the elastic support 13, constitutes the thermal measurement unit 25 in the form of a robust, manipulable, transportable and captive assembly. As is evident from FIGS. 1 to 7, the probe support 13 is configured to be inserted by elastic deformation inside an elongated cavity 26 (FIG. 2), here axially, delimited in this embodiment by a internal face of the connector 22 and a face facing the coil winding 19 turned towards the connector 22. This cavity 28 is formed here in favor of a protrusion 60 of the connector 22. The insertion, here axial, is such that the support 13 bears against the internal face 30 of the connector 22 for holding, as described hereinafter, the probe 112 in contact with the winding bun 19 by the spring effect of the support 13. It will be noted that one sees in FIG. 2 the four non-referenced frames of the connector 22. For more details, reference is made in particular to FIGS. 5 and 6 of the document FR 2 992 495.
    [0015] As best seen in Figure 2 the cavity 28 locally affects the outer periphery of the connector 22. The cavity 28 is externally bounded by the material of the connector 22 which extends overhang to cover an oblong hole made in part in the connector 22 for local access to the bun 19 concerned. Here the bun is constituted by one of the lateral side of a coil 19, one input end of which bears the reference 191 and the other end the reference 192 (see FIG. 1). This output end 192 is intended to be connected to the neutral. The ends 191, 192 are welded to the tabs 36 of the frames of the connector 22. The inner face of the connector 22 belongs to this material which overhangs the hole. The cavity 28 is thus formed here by means of a protuberance which affects the outer periphery of the connector 22. The support 13 comprises a first arm 131 for attachment to the connector 22 intended to bear against the internal face of the cavity 28 and a second arm 132 for fastening to the housing 200 interconnected by a bottom 133 so as to have a generally U-shaped. The bottom 133 may thus have a rounded shape as visible in the figures. The angle of the rounding of the bottom 133 is here greater than 90 °. This probe support 13 is made of an elastically deformable rigid material 20. It is for example metallic. It may be spring steel. The first arm 131 is elastically deformable and shorter than the second arm 132. Advantageously, the first arm 131 may not have a rectilinear shape as shown in the figures. In these embodiments the first arm 131 comprises a first elastically deformable inclined portion connected to the bottom 133 and extended via a fold by a second docking portion for contact with the inner face of the connector 22 (see in particular Figure 2). This second portion is shorter than the first portion. The angle between the two portions is greater than 90 °. The support 13 is intended to bear on the internal face of the cavity 28 via this docking portion.
    [0016] The width of the second portion may be equal to that of the first portion. Advantageously (FIGS. 3 to 7) the second docking portion of the first arm 131 is wider than that of its first portion for better contact with the internal face of the connector 22 and a better attachment of the arm 131 in the manner described above. after. Similarly the bottom 133 has a width greater than that of the first elastically deformable portion of the arm 131. The width of the bottom 133 may be equal to that of the second portion of the arm 131 and that of the second arm 132 wider than the 10 first portion of the arm 131. The first portion of the arm 131 thus has good deformability and facilitates the mounting of the support 13 and therefore the measuring unit 25 in the cavity 28. It will be appreciated that the deformability of the first portion of the arm 131 is favored by the angle greater than 90 ° of the rounding of the bottom 133 and the connecting ply to the second portion of the arm 131. Alternatively the first portion of the arm may have a width equal to those of the bottom 133 and the second portion (see Figures 8-11). This first portion may be made more elastic through holes and / or indentations made therein.
    [0017] In all these cases the first portion of the arm 131 is preferably provided with means to increase its deformability. It will be appreciated, referring for example to FIG. 2, that the second arm 132 and the bottom 133 of the support 13 are not coated with a resin. The support 13 is thus more elastic and is not likely to be deformed during 25 manipulations before its introduction by axial insertion in the cavity 28. It returns in position when it is placed in the cavity 28. The support 13 is thus manipulated and transportable. It will also be appreciated that the second arm 132 has a simple shape since the probe 112 is carried by the intermediate housing 200 between the attachment support 13 to the connector 22 and the probe 112.
    [0018] In the embodiments of the invention this second arm 132 may be of flat shape and be in point contact with the outer face of the housing 200 farthest from the probe and the bun concerned winding 19. The support 13 is so economic. The probe 112 is positioned via the housing 200 on the side of the inner face of the arm 132 intended to be turned towards the winding bun 19. The second arm 132 is in the embodiments integral with the casing 200 made of electrically insulating material, and advantageously thermally insulating and moldable. The second arm 132 is a carrier arm, which carries the housing 200, while the first arm 131 is an attachment arm to the connector 22. The housing 200 may be of synthetic material, such as plastic, which is a bad conductor of heat. This plastic material may be of the thermosetting type. This housing may be made of fiber reinforced plastic material, such as glass fibers. It may comprise for example 30% of glass fibers. This makes it possible to increase the rigidity of the casing 200. The casing 200 may be made of high-performance PPA (polyphthalamides) having a good preservation of its properties at high temperatures with, moreover, good dimensional stability. Alternatively the housing may be PA 6.6 (polyamide for example a semi-crystalline aliphatic homopolyamide) having good resistance to heat and abrasion, its resistance remaining high over a wide range of heat. In any case, a moldable plastic material having a good heat resistance is preferably chosen for the housing 200, this plastic being also electrically insulating and thermally insulating. The manufacture of the casing by molding can be obtained by means of drawers. Advantageously, the casing 200 may be more rigid than the resin 202.
    [0019] This casing 200 provides less heat transfer than that of the softer resin 202. Preferably, the first arm 131 and the bottom 133 of the support 13 of the probe 112 are not coated with a resin. Thus, the first arm 131 can be deployed before it is placed in the cavity 28 and be easily constrained when it is put into place in the cavity 28, the first inclined portion of the arm 131 favoring the threading of the support 13 into the cavity 28. In this example, the support 13 is not covered with resin. It will be appreciated that the fixing of the son or son 18 is simplified since according to one characteristic thereof or they are housed inside the housing 200 as visible for example in Figures 4 and 5. This or son 18 of connection to the probe are carried internally by the housing at their end (s) of connection to the probe 112. The son 18 may be stripped at least partly inside the housing 200.
    [0020] In addition, or the son 18 are better protected because they are housed in the housing 200. Thus the housing 200 and the resin 202 may provide electrical insulation between the son or son 18, a seal to withstand the environment, in particular to the penetration of dirt or water, and a transfer of heat between the probe 112 and the bun concerned winding 19. The probe 112 is positioned in an inner housing 201 of the housing 200 in the form of a hollow 201 open inward towards the bun winding 10 of the stator. To do this, the inner face of the casing 200 has an opening 203 generally of rectangular shape giving access to the hollow-shaped recess 201 as shown in FIG. 4. This recess 201 has a projection (not referenced in FIG. 4) for wedging The opening 203 to a length greater than that of the recess 201 to give access to the end of a wall 205 separating two passages for housing 30 each of one of the son 18 , the ends of which are close together for connection with the probe as best seen in FIGS. 4 and 5 to which reference will be made. These son 18 may be stripped partly inside the housing 200. A space exists between the end of the wall 205 and the bottom of the recess 201 as best seen in Figures 4 and 5. The bottom of the recess 201 5 extends in the extension of the wall 205 with the presence of a space between the end of the wall 205 and the bottom of the recess 201. The bottom of the recess 201 extends in elevation relative to the bottoms of the housing son 18 separated by the wall 205. This provision reduces the amount of resin. Inclined sections connect the housing bottoms son 18 18 to the edges of the hollow 201 hollow form. It will be noted that the ends of the wall 205 are bevelled. The other end of the wall 205 (Figure 5) opens into the cavity 207 into which penetrate the ends of the son 18 covered with a layer of electrical insulation such as enamel. These wires can easily be fixed in the cavity 207 with glue 209 (FIG. 2) or a heat-resistant gel. The wires are thus insulated and protected inside the housing against the penetration of dirt or water. They can thus be stripped inside the casing 200. The anchoring of the son or son 18 via the glue or the gel is robust.
    [0021] The resin 202 extends, with the aid of the opening 203, projecting inwardly with respect to the inner face of the housing provided with the opening 203. The probe 112 is thus encapsulated between the recess 201 and the resin 202 which covers it. It is thus well protected and the connection end to the probe 112 of the son or son 18, which may be stripped (s) in part in the housing 200. Alternatively a small layer of resin 202 may intervene between the bottom from the hollow 201 and the probe, which is thus embedded in the resin. Advantageously, the adhesive 209 or a heat-resistant heat-resistant gel, which may be of the same type as that penetrating into the cavity 207, is provided as visible in FIG. 3. This adhesive or gel 209 intervenes between the edges free of the opening 203 and the resin 202 to plug the opening 203 and seal the housing 200 which reduces the volume of resin so that the solution is economical. The glue or gel is thinner than the projecting portion of the resin 202. In another embodiment the resin 202 may be extended by a thinner portion to plug the opening 203 and also seal the wires 18 The elastic support 13 is stressed in the mounted state in the cavity 28. Thus, in the rest state, a radial spacing between the arm 131 and the inner face 10 of the resin 202 carried by the housing 200 is greater than the corresponding radial dimension of the cavity 28, the operator can pinch the free ends of the arm 131 and the housing 200 so as to reduce the distance between the arms 131, 132 in order to be able to insert the support 13 and the probe 112 to the Once the support 13 and the probe 112 are in position and the operator has released the ends of the arm 131 and the housing 200, the spring effect of the support 13 is such that the probe 112 is applied The spring effect in a substantially radial direction with respect to the X axis of the stator makes it possible to absorb the differences in dimensions.
    [0022] It will be appreciated that the first inclined portion of the arm 131 facilitates mounting of the measurement unit 25 in the cavity 28. In fact, this inclined portion deforms inwardly by contact with the internal face of the cavity 28. pushing the measuring unit 25 to mount it in the cavity 28, the second portion of the arm 131 subsequently contacting the inner face of the cavity. The free end of the second portion of the first arm 131 is extended via a fold by a fastening base 134 having a plate. The fastening base 134 is transversely outwardly in contact with a transverse flange 35 of the connector 22 delimiting at the rear the cavity 28.
    [0023] The base 134 may have the same width as the second portion of the arm 131. The free end of the fastening base 134 may constitute the free end of the arm 131. The base 134 and the second portion are thus obtained by folding. The flange 35 constitutes the rear face of an ear 60 of the connector 22 protruding radially outwards (see FIG. 1). A screw 37 (FIG. 2) is intended to fit within an opening of the fastening base 134 and an axially oriented tapped hole in a metal insert 140 mounted in a hole in the housing. 60 of the connector 22 to wedge the plate of the base 134 between the head of the screw 37 and the radial rim 35 of the ear 60. Alternatively, the screwing means of the probe support 13 10 on the flange 35 may be replaced by any other suitable fastening means, such as latching means or crimping. The fastening base 134 enables the indexing of the support assembly 13 and probe 112 insofar as the operator can determine the correct positioning of the assembly when the fastening base 134 bears against the connector 22. Advantageously rotation locking means may intervene between the base 134 and the connector 22. For this we can replace the ear 60 by a generally rectangular tab. These rotational locking means may comprise a notch 20 formed at the outer periphery of the penetrating placket for circumferential clearance mounting of an axial fold 162 that has via a fold the base 134 at its outer periphery (see FIGS. ). A radial clearance advantageously exists between the bottom of the notch and the fold 162. The fold 162 may extend parallel to the second portion of the first arm 131. The fold 162 may be of axial length less than the axial length of the second portion of the arm 131 and the thickness of the notch. In a variant, the fold 162 may have an axial length equal to or greater than that of the second portion of the arm 131.
    [0024] This fold may have a width equal to or smaller than those of the base 134 and the second portion of the arm 131.
    [0025] It should be noted that once implanted inside the stator, the probe support 13 and the housing 200 extend mainly in a plane defined by the intersection of the axis X of the stator 2 and of a radius of the stator 2, so that the circumferential size of the probe support 13 and the housing is very limited. The radial size of the support 13 is limited by the fact that it is metallic and can therefore have a small thickness. The assembly of the support 13 with the housing 200, in which the probe 112 and the wires 18 are already mounted in the aforementioned manner, may be made using pins coming from the external face of the housing 200 and penetrating into holes associated made in the second arm 132 of the resilient support 13 under stress after mounting the temperature unit 25 in the cavity 28. The pins may be obtained by molding. The number of holes and complementary pieces depends on the applications. In the assembly modes described below there are two pairs of holes and associated pins 15. In a variant, three or more pairs of holes and pions are provided. In these methods of assembly, the pins are taken as described below so that no additional parts, such as screws, are used. In the embodiments the second arm 132 has a rectangular shape, the width of which is adapted to that of the external face of the casing 200. It is of flat shape and here has a width slightly greater than that of the outer face of the casing. Thus the width of the arm 132 may be substantially equal to that of the upper outer face of the housing 200. In a variant, the section of the arm 132 is not rectangular in shape.
    [0026] In these assembly modes, the bottom 133 of the resilient fixing support 13 is not in contact with the external upper face of the casing 200 so that the flexibility of the first arm 131 is not disturbed and the heat transmission to the housing and the probe 112 is reduced. This bottom 133 is radially offset relative to the housing 200.
    [0027] First method of assembling the support with the housing (FIGS. 1 to 7) In this first mode, the housing 200 equipped with the probe 112 and the wires 18 has two stepped pins 220 molded from the upper face of the housing 200. These pins 220 project outwardly with respect to the outer face of the insulating casing 200 and are intended to pass through complementary holes made in the second arm 132. This second arm 132 is intended to bear against its internal face. , against the shoulders of the pins 220. The assembly of the arm 132 with the housing 200 is made by hot riveting or hot crushing of the heads of the pins 220 with jamming of the arm 132 between the shoulders and the crushed heads of the 10 pins 220. The arm 132 extends in elevation with respect to the external upper face of the casing 200, which makes it possible to reduce the heat transfer between the arm 132 and the casing 200 and improves the accuracy. n of the probe measurement. The bottom 133 of the support 200 is thus offset relative to the outer face of the housing 200 being offset radially with respect to this outer face. The pins 220 and the complementary holes are cylindrical in this embodiment. In a variant, the pins and the holes have a section of rectangular, square, elliptical, polygonal or other shape. It will be the same in the other modes of assembly.
    [0028] Of course the shoulders of the pins 220 may belong to projections coming from the external face of the casing 200 to increase the contact between the arm 132 and the external face of the casing 200. Second method of assembling the support with the casing (FIGS. to 10) The pins 230, coming from the outer upper face of the casing 200, have a shouldered head with a diameter greater than that of their current portion here of cylindrical shape. The complementary holes 330 of the arm 132 each have two resilient tongues 331. More precisely, the holes 330 are of oblong shape and comprise two parts, namely a first portion of greater diameter than the heads of the pins 230 for passing therethrough and a second portion of diameter equal to the mounting clearance close to the diameter of the running portion of the pins 230. The second portion of the holes 330 is defined by two tabs 331 shouldered and cut in the arm 132. The heads of the pins 230 pass through the first portion of the holes 330 before relative movement of the arm 132 relative to the housing 200. The arm 132 is mounted on the housing 200 by moving the pins 230 in the holes 330 and snapping, the tabs 331 apart to pass the current part of the pins 330 and then close to imprison the running parts of the pins 330, the shouldered heads of the counters 330 coi the arm 132 has openings 330 of oblong shape in which penetrate the pins 230, said openings 330 being delimited by tabs 331 deployable for securing the housing by displacement relative vertical arm 132 relative to the housing 200 and locking pins 330 by the tabs 331. During assembly the arm 132 moves in contact with the outer face 15 of the housing, the relative movement between the arm and the housing being vertical. In a variant, the holes 330 comprise a first portion adapted to the passage of the pins 230 without heads. The formation of the heads is performed after displacement of the arm 132 relative to the housing and latching. This formation of the heads can be carried out as in the first method of assembly by riveting or hot crushing. In this method of assembly the bottom 133 of the support 13 is connected to the arm 132 by a radial portion 233 so that the bottom 133 is offset relative to the outer face of the housing 200 being offset radially. Third method of assembling the support with the housing (FIG. 11) In this third mode, the counters 230 with shoulders and the radial portion 233 of the second assembly mode are retained. The holes of the arm 132 are modified. These holes 340 are cylindrical in shape and have internal radial tabs. The assembly of the support 13 with the housing 200 is then performed by axial clipping, the inner tabs being deployed to allow the heads of the pins 230 to pass therethrough, and then loosening 3037738 28 to engage with the cylindrical running part of the pieces 230 and lock the pieces. Alternatively one of the holes of the arm 132 has legs and the other without legs. The assembly is made by snapping at the 5-leg hole and pin 230 head and riveting or hot crushing for formation of the other head as in the first assembly mode. Note that in Figure 11 the arms, the bottom 133 and the radial portion 233 have the same width. It will also be noted that the fastening base 134 is not folded back. Other embodiments Of course, those skilled in the art will be able to make modifications to the electrical machine and to the measuring unit 25 described above without departing from the scope of the invention. 'invention. Thus, in particular, the probe support 13 may have an overall Z shape instead of a U shape or any other shape that makes it possible to obtain the desired spring effect for, through the case 200, the plating of the temperature sensor 112 via the resin 202 against the winding bun 19. As a variant, the first arm 131 may have a rectilinear shape and be connected to the second arm 132 by a rounded portion 133 extending over 90.degree. may provide staples for fixing the probe 112 embedded in the resin 202 to the second arm 132. The son or son 18 may be embedded in the resin. The staples then replace the housing 200. This solution is less advantageous because the first arm 131 is less elastic. In addition, additional staples and deformation of the second arm are required to secure the staples. The support 13 may be thicker and be non-metallic. In this case the solution is less compact than that of the figures because it is necessary to increase the size of the cavity 28. The assembly of the support with the housing can be achieved by screwing.
    [0029] In this case, the pins are replaced by shouldered chimneys coming into the casing and through holes in the support, the screws penetrating into the chimneys to clamp the support via their head. The probe 112 may be mounted on a PCB support and covered with resin 202. In this case the housing 200 is configured to receive and receive internally the PCB support, the opening 203 giving access to the PCB support. The probe 112 and the PCB support are then encapsulated in the housing 200 and the resin 202. In a variant, the housing 200 may be machined. The casing of the rotating electrical machine may comprise more than two pieces. For example, the housing may comprise a front flange, a rear flange and an intermediate spacer internally bearing the body of the stator and connected to the front and rear flanges as described in the documents FR 2 782 356 and FR 3 005 900 mentioned above. Note that this type of machine is located at the rear face of the thermal engine of the vehicle. Generally speaking, the rotating electrical machine comprises a stator comprising a stator winding carried by a stator body fixed to the outer periphery of a casing comprising at least one front flange and a rear flange, a winding bun extending protruding from one side of the stator body is a connector of the ends of the stator winding and an elongated cavity delimited by an inner face of the connector and a face of the chignon facing said inner face of the connector. It should also be noted that although the invention has been described in the context of an alternator, it could also be implemented in a similar manner with any other electrical machine, such as an electric motor, an alternator or an alternator-starter as mentioned in the introduction so that the rotor of the electric machine may be an inductor rotor or an induced rotor. The rotating electrical machine may be a current generator 30 supplying the winding of a rotor of an alternator or an eddy current electromagnetic retarder. This generator replaces the conventional conductive ring system (shown in FIG. 1) and rubbing brushes on the rings. In this case the cavity is located at the inductor stator of the current generator. The rotor of the rotating electrical machine may be a claw rotor 5 as described for example in WO 02/093717 or a salient pole rotor as described in WO 02/054566. The claw rotor or the salient pole rotor may be provided with permanent magnets as described for example in WO 01/69762 and WO 02/054566. In a variant, the rotor may comprise a body made of sheet metal which has housings. Permanent magnets are positioned inside at least some of these housings, as can be seen for example in FIGS. 1 and 2 of EP 0 803 962. The windings of the phases of the machine may be connected in a star, as visible by FIG. example in EP 0 831 580, or in delta, the number of phase may be between 3 and 7. The rotor shaft may be connected to the front to a drive pulley as above. Alternatively the rotor shaft may be connected to a drive member by another mechanical connection. For example, the rotor shaft may be connected by a splined connection to the shaft of a thermal engine, the alternator possibly belonging to a range extender comprising a heat engine driving the alternator to recharge the battery. 'a vehicle with an electric motor. In another variant the rotary electrical machine is located between the engine and the gearbox of a motor vehicle as described for example in the document FR 3 005 900 disclosing an alternator-starter. For more details please refer to this document.
    权利要求:
    Claims (21)
    [0001]
    A rotating electrical machine connector (22) has a stator body, a stator winding (19) carried by the stator body, a winding bun (19) protruding from one side of the stator body. stator body, a connector (22) connected to the ends of the winding bun (19), an elongated cavity (28) delimited by an inner face of the connector (22) and a face of the bun (19) facing said inner face of the connector, a temperature measuring unit (25) housed in the cavity, said measuring unit having an elastic probe support (13) connected to a resin-coated temperature sensor (112) (202) said probe support being configured to be deformably inserted into said elongate cavity (28) so as to bear against said inner face of the connector (22) defining said cavity for holding said temperature probe via the resin (202) in vs contact with said winding bun (19).
    [0002]
    The connector stator (22) according to claim 1, wherein the temperature measuring unit (25) housed in the cavity (28) comprises a temperature probe (112) carried internally by an intermediate housing (200). electrically insulating and secured to the resilient support (13) for fixing to the connector (22) intended to bear on the internal face of the cavity, resin (202) covering the probe and protruding from the contact housing with the bun and at least one wire (18) for connection to the probe carried internally by the housing at its connection end to the probe.
    [0003]
    The connector stator (22) according to claim 2, wherein the support (13) has a first machine attachment arm (131) for resting on the inner surface of the cavity (28), a second arm (132) housing support (200) and a rounded bottom (133) connecting the first arm (131) to the second arm (132).
    [0004]
    4. Stator connector (22) according to claim 3, wherein the bottom (133) is offset relative to the outer face of the housing (200). 3037738 32
    [0005]
    5. Stator according to claim 3 or 4, wherein the first arm (131) comprises a first portion connecting to the rounded bottom over more than 90 ° and extended by a second docking portion for contact with the inner surface of the cavity. (28) and wherein the first portion is inclined with respect to the second portion.
    [0006]
    The connector stator (22) of claim 5, wherein the first portion of the first arm (131) includes means for improving its flexibility.
    [0007]
    The connector stator (22) according to claim 6, wherein the first inclined portion of the first arm (131) is narrower than the bottom (133) and the second portion.
    [0008]
    The connector stator (22) according to any one of claims 5 to 7, wherein the free end of the second portion of the first arm (131) is extended by a fastening base (134) extending transversely outwardly for contact with a transverse flange (35) of the connector (22) delimiting the cavity (28).
    [0009]
    The connector stator (22) according to claim 8, wherein rotational locking means intervene between the fastening base (134) and a protrusion of the connector (22), such as an ear or a tab, delimiting 20 the transverse flange (35).
    [0010]
    A connector stator (22) according to any one of claims 2 to 9, wherein the intermediate housing (200) is elongated, its length being greater than its width and wherein the housing (200) has an internal housing, such as a recess (201) for the probe (112). 25
    [0011]
    The connector stator (22) of claim 10, wherein the intermediate housing (200) is of plastics material.
    [0012]
    Connector stator (22) according to claim 10 or 11, wherein the housing (200) comprises a separating wall (205) for separating two wires (18) connected to the probe (112) carried internally by the housing 30 (18) at their connection ends to the probe (112). 3037738 33
    [0013]
    The connector stator (22) according to claim 12, wherein an end of the wall (205) opens into a cavity (207) into which the ends of the wires covered with an electrical insulation layer and into which the wires are fixed in the cavity (207) with glue or gel.
    [0014]
    The connector stator (22) according to any one of claims 10 to 13, wherein the housing (200) has an opening (203) for access to the inner housing of the probe (112) covered with the extending resin protruding through the opening (203) for contact with the bun with the presence of a clearance between the housing (200) and the bun vis-à-vis.
    [0015]
    The connector stator (22) of claim 14, wherein the resin (202) is smaller in size than the opening (203), wherein glue or gel is interposed between the resin and the free edges of the resin. the opening (203) to close the opening. 15
    [0016]
    The connector stator (22) according to any one of the preceding claims, wherein the resin (202) contains a silicone rubber.
    [0017]
    A connector stator (22) as claimed in any one of the preceding claims 2 to 16, wherein the housing (200) is integral with the support (13) through an arm (132) with a hole in the carrier (13). ) secured by riveting or hot crushing to studs (220) protruding from the housing.
    [0018]
    Connector stator (22) according to any one of claims 2 to 16, wherein the housing (200) is integral with the support (13) via a hole-shaped arm (132) of the support (13). snap-fastened to protruding studs (230) projecting from the housing (200), the arm holes (132) having inner pins locking tabs (230).
    [0019]
    19. Stator connector (22) according to any one of claims 2 to 16, wherein the housing (200) is secured to the support (13) via an arm (132) of the support (13) having holes (330) of oblong shape in which penetrate the pegs (230) with shoulders, the said holes (330) being delimited by tabs (331) deployable for securing the housing (200) by relative vertical movement of the arm ( 132) 3037738 34 relative to the housing (200) and locking pins (230) by the tabs (331).
    [0020]
    The connector stator (22) according to any of the preceding claims 2 to 19, wherein the resin (202) is configured to be more flexible than the housing (200) and to provide greater heat transfer than the housing.
    [0021]
    21 rotary electric machine, characterized in that it comprises a connector stator (22) according to any one of the preceding claims. 10
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    同族专利:
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    FR2886477B1|2005-05-31|2007-07-06|Valeo Equip Electr Moteur|SIGNAL INTERCONNECTION PIECE FOR ROTATING ELECTRICAL MACHINE|
    FR2992495B1|2012-06-20|2014-07-11|Valeo Equip Electr Moteur|INTERCONNECTOR FOR STATOR OF ELECTRIC MACHINE AND STATOR OF ELECTRIC MACHINE THEREFOR|
    FR3005900B1|2013-05-22|2015-06-05|Valeo Equip Electr Moteur|DEVICE FOR A HYBRID VEHICLE WITH A SUPPORT HUB OF A ROTOR MADE OF A SHEET AND CARRYING A PLATE OF REACTION OF A CLUTCH|DE102018208385A1|2018-05-28|2019-11-28|Zf Friedrichshafen Ag|Stator of an electrical machine with a device for temperature detection and electrical machine with such a stator|
    DE102018211089A1|2018-07-05|2020-01-09|Volkswagen Aktiengesellschaft|Sensor device, electric machine system and motor vehicle|
    法律状态:
    2016-07-08| PLFP| Fee payment|Year of fee payment: 2 |
    2016-12-23| PLSC| Search report ready|Effective date: 20161223 |
    2017-06-30| PLFP| Fee payment|Year of fee payment: 3 |
    2018-06-27| PLFP| Fee payment|Year of fee payment: 4 |
    2020-06-30| PLFP| Fee payment|Year of fee payment: 6 |
    2021-06-30| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1555687A|FR3037738B1|2015-06-22|2015-06-22|STATOR WITH CONNECTOR EQUIPPED WITH A THERMAL MEASURING UNIT AND ELECTRIC MACHINE COMPRISING SUCH A STATOR|
    FR1555687|2015-06-22|FR1555687A| FR3037738B1|2015-06-22|2015-06-22|STATOR WITH CONNECTOR EQUIPPED WITH A THERMAL MEASURING UNIT AND ELECTRIC MACHINE COMPRISING SUCH A STATOR|
    PCT/FR2016/051512| WO2016207537A1|2015-06-22|2016-06-21|Connector-comprising stator equipped with a unit for measuring temperature and electric machine including such a stator|
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