• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    charging / discharging harness routing structure for an electric car in the present invention, in an electric car, an electric power unit (20), which is arranged in a motor safe (2) and provides drive current to a motor drive unit (10), and a group of batteries (30), which is arranged below a vehicle body floor (51). the electrical power unit (20) is provided with: a rear unit surface (electrical power module surface) (24), which faces an instrument panel (4); and a wire harness connection hollow (25), which is lowered from the rear surface of the unit (24) towards the inside of the electrical power unit (20). a loading / unloading harness connection terminal (26), which connects one end (51a) of the loading / unloading harness (51), is arranged inside the harness connection socket (25).
    公开号:BR112013029352B1
    申请号:R112013029352-7
    申请日:2012-03-01
    公开日:2020-12-15
    发明作者:Shinichi Matano；Tatsuya Shindou；Takuma Kobayashi
    申请人:Nissan Motor Co., Ltd；
    IPC主号:
    专利说明:

    Technical field
    [001] The present invention relates to an electric vehicle, in which a high voltage unit, disposed within a vehicle engine safe, and a group of batteries, disposed below a floor of the vehicle body, are connected between itself by a loading / unloading harness, and refers, in particular, to a loading / unloading routing structure. Fundamentals of technique
    [002] An electric vehicle, in which a motor drive unit, as a power drive source, and a high voltage unit, to control the voltage to be supplied to the motor drive unit, are arranged within a engine safe, and a group of batteries is disposed below a floor of the vehicle body, located at the back of the engine safe, in a forward and backward direction of the electric vehicle, is conventionally known. In the electric vehicle, the high voltage unit and the battery group are connected between each other using a charge / discharge wire harness (see, for example, patent literature 1).
    [003] However, in the charging / discharging harness routing structure in the electric vehicle, one end of the charging / discharging harness is connected to a lower part of a rear surface of the high voltage unit, and the another of its ends is connected to a central part of a front end part of the battery group.
    [004] Therefore, if the high voltage unit is moved backwards by a collision of a front part of the vehicle, or similar, interference may occur between the single end of the load / discharge harness, connected to the high voltage unit, and an instrument panel extending vertically between the engine safe and the vehicle body floor. Thus, this problem that the load / unload harness routing structure is inferior in harness protection was developed. List of citations PATENT LITERATURE
    [005] Patent Literature 1: Publication of unfinished Japanese patent application No. 2011-020622 A Summary of the invention
    [006] It is an object of the present invention to provide a charging / discharging harness routing structure in an electric vehicle that can protect a charging / discharging harness when an external force is introduced into the electric vehicle. Solution to the problem
    [007] In accordance with the present invention, a charging / discharging harness routing structure is provided in an electric vehicle, which includes a high voltage unit arranged inside a motor safe, a group of batteries disposed below a floor of the vehicle body, and a charging / discharging harness by which the high voltage unit and the battery group are connected together. In the charging / discharging harness routing structure in an electric vehicle, the high voltage unit includes a rear unit surface and a concave connection part of the harness.
    [008] The rear surface of the unit faces an instrument panel, extending between the engine safe and the floor of the vehicle body.
    [009] The concave connection part of the wire harness is lowered from the rear surface of the unit towards an internal part of the high voltage unit, and a connection terminal of the loading / unloading harness, to which one end of the load / unload wire harness is connected, it is arranged inside the concave connection part of the wire harness.
    [010] Specifically, the charge / discharge wire harness connection terminal, to which one end of the charge / discharge wire harness is connected, is located to exit into the interior of the high voltage unit, with respect to rear unit surface.
    [011] With this construction, in a case in which the high voltage unit is moved towards one side of the instrument panel, due to the introduction of an external force in the electric vehicle, initially, the rear surface of the unit is placed in contact with the instrument panel, and the charging / unloading harness connection terminal, inside the concave connection part of the harness, lowered from the rear surface of the unit, is free of contact with the panel of instruments.
    [012] Therefore, the loading / unloading harness connection terminal can be protected from the rear surface of the unit in the vicinity of the loading / unloading harness connection terminal, thereby improving the protection of the harness charge / discharge wires, when an external force is introduced in the electric vehicle. Brief description of the drawings
    [013] Figure 1 is a side view showing a main construction of an electric vehicle as a whole, to which a charging / unloading harness routing structure, according to an embodiment of the present invention, is applied. .
    [014] Figure 2 is a schematic plan view showing a main construction of a front part of the electric vehicle, to which the load / unload harness routing structure, according to the embodiment of the present invention, is applied. .
    [015] Figure 3 is a schematic side view showing the main construction of the front part of the electric vehicle, to which the load / unload harness routing structure, according to the embodiment of the present invention, is applied.
    [016] Figure 4 is a perspective view of a high voltage unit, according to the embodiment of the present invention, as seen from the rear of the high voltage unit.
    [017] Figure 5 is an enlarged sectional view of an essential part of a connection terminal of the high voltage unit charging / discharging harness, according to the embodiment of the present invention.
    [018] Figure 6 is a sectional perspective view showing a cross section of the high voltage unit, according to the embodiment of the present invention.
    [019] Figure 7 is a sectional perspective view of an essential part of the high voltage unit, according to the embodiment of the present invention, showing a concave part of the harness removal from the high voltage unit.
    [020] Figures 8 (a) to 8 (c) are explanatory diagrams showing schematically a state of the charge / discharge harness when a collision occurs at the front of the electric vehicle, to which the high voltage unit , according to the embodiment of the present invention, is applied, in which Figure 8 (a) is a plan view of the loading / unloading chi-cote, Figure 8 (b) is a side view of an essential part of the loading / unloading harness, and Figure 8 (c) is a sectional view of the loading / unloading harness, in the concave part of the harness removal.
    [021] Figures 9 (a) to 9 (c) are explanatory diagrams showing schematically a state of the charge / discharge harness when an electric vehicle displacement collision occurs, to which the high voltage unit , according to the embodiment of the present invention, is applied, in which Figure 9 (a) is a plan view of a loading / unloading wire harness, Figure 9 (b) is a sectional view of the wire harness. loading / unloading in the concave part of the harness removal, and Figure 9 (c) is a plan view of the loading / unloading harness, after the displacement collision on the right front side of the electric vehicle. Description of the modality
    [022] In the following, a charging / unloading harness routing structure in an electric vehicle, according to an embodiment of the present invention, is explained by reference to the attached drawings.
    [023] First, the charging / unloading harness routing structure in an electric vehicle, in accordance with the embodiment of the present invention, is explained below with respect to the "basic electric vehicle construction", "constitution of the rear surface of the high voltage unit "and" harness routing structure ". [Basic electric vehicle construction]
    [024] Figure 1 is a side view showing a main construction of an electric vehicle as a whole, to which a charging / unloading harness routing structure, according to the embodiment of the present invention, is applied . Figure 2 is a schematic plan view showing a main construction of a front part of the electric vehicle, to which the load / unload harness routing structure, according to the embodiment of the present invention, is applied. Figure 3 is a schematic side view showing the main construction of the front part of the characteristic dispersion values, to which the load / unload harness routing structure, according to the embodiment of the present invention, is applied.
    [025] As shown in Figures 1 and 2, the electric vehicle 1 of the embodiment includes a motor drive unit 10, a high voltage unit 20, a group of batteries 30 and a charge input 40.
    [026] The motor drive unit 10 and the high voltage unit 20 are arranged in the motor safe 2, formed in a front part of a vehicle body. On the other hand, the battery group 30 is disposed below the floor of the vehicle body 3, located at the rear of the engine safe 2. The instrument panel 4 extends vertically between the engine safe 2 and the vehicle body floor 3. vehicle body floor 3 constitutes a vehicle compartment floor 5 separated from the engine safe 2 by the instrument panel 4. Furthermore, the cargo inlet 40 is arranged above the front bumper 6, at the front of the engine safe 5, and located in a substantially central position in a direction the width of the vehicle.
    [027] The motor drive unit 10 is a running drive source of the electric vehicle 1, and is supported on a pair of side elements 2a, 2a (see Figure 2) extending on a bottom of the engine safe 2, by means of a support (not shown). The motor drive unit 10 includes the motor 11 to drive the vehicle, a speed reducer 12 that reduces the rotation of the motor 11 and transmits its reduced rotation to the differential gear 12a, and the motor housing 13 that accommodates the motor 11 and the speed reducer 12. The motor 11 of the motor drive unit 10 is used not only as the driving source for running the vehicle, but also as a generator.
    [028] The high voltage unit 20 serves to supply drive current to the motor drive unit 10 as the drive source for travel, and is mounted on an upper part of the motor drive unit 10. The high drive unit voltage 20 includes inverter 21 and high voltage module 22.
    [029] The inverter 21 is connected to the motor drive unit 10 by means of a three-phase alternating current wire harness (not shown), and serves to alternately conduct the conversion of direct current into three-phase alternating current and vice versa. In this embodiment, the inverter 21 converts direct current, from the high voltage module 22, into three-phase alternating current, and supplies the three-phase alternating current to the motor 11, during voltage travel of the motor 11, and the inverter 21 converts three-phase alternating current. , of motor 11, in direct current, and supplies direct current to the high voltage module 22, during motor regeneration 11. The inverter 21 is accommodated in the inverter housing 21a, which is mounted directly above the motor drive unit 10 .
    [030] The high voltage module 22 is a voltage control device, which controls the voltage of electrical power, to be supplied to the motor drive unit 10, and the voltage of electrical energy, to be charged in the battery group 30. The high voltage module 22 includes a DC / DC converter (DC = direct current) and a charger. The high voltage module 22 is accommodated in the high voltage module housing 23, which is mounted directly above the inverter 21.
    [031] The high voltage module 22 is connected to the battery group 30 by the charging / discharging harness 51, connected to the charging input 40 by the charging harness 52, and connected to the inverter 21 by the charging harness. high voltage (high voltage wire harness), not shown.
    [032] The DC / DC converter described above converts the fast charge voltage from an external fast charge power source (not shown), to charge voltage and provide the charge voltage to the battery group 30.In addition, the converter DC / DC converts the charge voltage of the battery group 30 into the drive voltage and supplies the drive voltage to the inverter 21, during the power run of the motor 11, and converts the power generating voltage of the inverter 21 into the load voltage, and provides the charging voltage for the battery group 30 during engine 11 regeneration.
    [033] Furthermore, the charger described above converts normal charge voltage from an external normal charge power source (not shown) to charge voltage, and provides a power source (not shown) for the charge voltage and provides the charging voltage for battery group 30.
    [034] Battery group 30 includes multiple battery modules, consisting of secondary batteries, a control circuit that controls charge, discharge, etc. the battery modules, a cooling device and other parts, and the battery housing 31, which accommodates these components. Examples of the secondary battery are a lithium-ion battery, a rechargeable nickel-cadmium battery, a nickel-metal hydride battery, etc.
    [035] Charge input 40 is an electrical energy receiving part, to which external electrical energy, to be charged in the battery pack 30, is introduced when brought into contact and connected to an external power source (not shown) . The charge inlet 40 includes the fast charge inlet 41 and the normal charge inlet 42.
    [036] A quick charger is connected to the quick charge input 41 as a high voltage direct current power source. The fast charge input 41 is connected to the high voltage module 22 by the fast charge wire harness 53 of the load wire harness 52, in which high voltage current flows.
    [037] An alternating current power source is connected to the normal charge input 42, which provides about 100 to 200 volts for home use. The normal load input 42 is connected to the high voltage module 22 by the normal load wire harness 54 of the load wire harness 52, in which a current, with a voltage lower than the voltage of the high voltage current flowing in the harness fast-loading wires 53, flows. [Rear surface constitution of high voltage unit]
    [038] Figure 4 is a perspective view of the high voltage unit, according to the embodiment, as seen from the rear of the high voltage unit. Figure 5 is an enlarged sectional view of an essential part of a loading / unloading harness connection terminal, according to the embodiment of the present invention.
    [039] Figure 6 is a perspective view showing a cross section of the high voltage unit, according to the embodiment.
    [040] In this embodiment, the high voltage module housing 23 is a rectangular box-shaped housing, and has a high voltage module rear surface (rear unit surface) 24, which faces the instrument panel 4 The concave connection part of the harness 25 is formed in a lower part of the rear surface of the high voltage module 24. The concave connection part of the harness 25 is stepped downwards from the rear surface of the high voltage module 24 in the towards an inner part of the high voltage module 22 (ie towards a front of the vehicle). That is, the concave connection part of the harness 24 is lowered from the rear surface of the high voltage module 24 towards the front of the vehicle 24, towards the front of the vehicle, in a way that the concave part wiring harness connection 25 stay away from the instrument panel 4.
    [041] The concave connection part of the harness 25 includes an inner eaves surface (i.e., the cover surface) 25a, which faces downwards from the vehicle, and is opened towards the rear of the vehicle and both sides of the vehicle (both the right and left sides of the vehicle). However, the concave connection part of the wire harness 25 can be closed at both its right and left ends. The connection terminal of the loading / unloading wire harness 26, the connection terminal of the fast loading wire harness 27a and the connection terminal of the normal loading wire harness 27b are arranged on the inner eaves surface 25a, in order to face down.
    [042] The loading / unloading harness connection terminal 26 is a terminal in which an end 51 a of the loading / unloading harness 51, located in a part of the high voltage module 22, is connected in a descending part of the vehicle. The connection terminal of the charge / discharge harness 26 is connected to the DC / DC converter and the charger, inside the high voltage module housing 23. The connection terminal of the charge / discharge harness 26 is located in a substantially intermediate portion of the inner surface borders 25a, in the direction of the width of the vehicle.
    [043] The fast charging harness connection terminal 27a is a terminal to which a fast charging harness end 53a, located on the part of the high voltage module 22, is connected from the downward part of the vehicle. The connection terminal of the quick-loading wire harness 27a is connected to the DC / DC converter inside the high voltage module housing 23. The connection terminal of the fast-loading wire harness 27a is located in the vicinity of one of the side parts (right and left sides) of the inner eaves 25a.
    [044] The normal load harness connection terminal 27b is a terminal to which a normal load harness end 54a, located on the part of the high voltage module 22, is connected from the downward part of the vehicle. The connection terminal of the normal load harness 27b is connected to the charger inside the high voltage module housing 23. The connection terminal of the normal load harness 27b is located slightly offset from the substantially intermediate part of the inner eaves surface 25a, in the direction of a lateral part towards the width of the vehicle, adjacent to the connection terminal of the loading / unloading harness 26.
    [045] Figure 7 is a sectional perspective view of an essential part of the high voltage unit, according to the embodiment of the present invention, showing a concave part of the harness removal from the high voltage unit.
    [046] In this embodiment, the inverter housing 21a is a rectangular box-shaped enclosure, and has the rear surface of the inverter (rear unit surface) 21b, which faces the instrument panel 4. The concave connection part of the wire harness 25 is provided in the form of a groove, disposed between the rear surface of high voltage module 24 of the high voltage module housing 23 and the rear surface of inverter 21b of inverter housing 21a. The concave harness removal part 21c is formed on a part of the rear surface of the inverter 21b, to accommodate the loading / unloading harness 51.The concave harness removal part 21c is lowered from the rear surface of inverter 21b, towards an internal part of inverter 21. The concave part of the harness removal 21c is arranged in a region located downstream of the concave part of the harness removal 25, and extends continuously from the concave part of harness connection 25. The concave harness removal part 21c is open at the rear of the vehicle. [Harness routing structure]
    [047] As shown in Figure 4, the loading / unloading harness 51 is connected at one of its ends 51a to the connection terminal of the loading / unloading harness 26, on the downward part of the vehicle, and is descended from the rear surface of high voltage module 24 along the rear surface of inverter 21b. At that time, the loading / unloading harness 51 is accommodated within the concave removal part of the harness 21c. As shown in Figure 1, the loading / unloading harness 51 is then routed behind the vehicle, to pass under the instrument panel 4, so that the other end 51b is connected to the battery terminal 30a, located in the middle part of a front end part of the battery group 30.
    [048] The loading / unloading harness connection terminal 26 is located substantially in the middle part of the inner eave surface 25a, in the direction of the vehicle width, and the battery terminal 30a is located in the middle part of the outer part. frontal tremor of the battery group 30. Therefore, the charge / discharge harness 51 is substantially routed linearly along the forward and backward direction of the vehicle.
    [049] The quick load harness 53 is connected, at one of its ends 53a, to the connection terminal of the quick load harness 27a of the downward part of the vehicle, and then is routed to the front of the vehicle, along one side surface of the inverter housing 21a, so that the other end is connected to the fast load input 41.
    [050] The quick load harness 53 provides a direct connection between the quick load input 41 and the connection terminal of the quick load harness 27a.
    [051] The normal load harness 54 is connected, at one of its ends 54a, to the connection terminal of the normal load harness 27b of the downward part of the vehicle, and is routed to extend around the rear from the front of the vehicle of the loading / unloading harness 51. After that, the normal loading harness 54 is rotated towards the front of the vehicle, along the side surface of the inverter housing 21a. The normal load harness 54 is then routed to the front of the vehicle, so that the other end 54b is connected to the normal load input 42.
    [052] The normal load harness 54 provides the direct connection between the normal load input 42 and the connection terminal of the normal load harness 27b. In addition, because it is routed along the side surface of the inverter housing 21a, the normal load harness 54 is located on an external quick load harness 53. That is, the quick load harness 53 is routed closer to the inverter housing 21a than to the normal load harness 54.
    [053] Further, by routing the normal load harness 54, so that it extends around behind the rear of the load / unload harness vehicle 51, after one end 54a is connected to the connection terminal of the normal load harness 27b, the normal load harness 54 passes between the load / unload harness 51 and the instrument panel 4, and then it is routed towards the normal load input 42.
    [054] The function of the charging / discharging harness routing structure in an electric vehicle, according to the embodiment of the present invention, is explained below with respect to the "function of protecting the charging / discharging harness. frontal vehicle collision "and the" function of protecting the vehicle displacement load / unload collision harness ". [Load / unload harness protection function in frontal vehicle collision]
    [055] The high voltage unit and the battery group are arranged at the front of the vehicle and at the rear of the vehicle, respectively, so that the instrument panel is arranged between them, they are linked together by the harness loading / unloading, which extends in the forward and backward direction of the vehicle. Therefore, to ensure protection of the loading / unloading harness, it is necessary that, initially, the high voltage unit is brought into contact with the instrument panel when the frontal collision of the vehicle. In the following, the protection function of the vehicle frontal collision loading / unloading harness is explained by reference to Figures 8 (a) - 8 (c).
    [056] When a front surface of the engine safe 2 is deformed towards the rear of the vehicle, due to the frontal collision of the vehicle, the radiator 7 and the fan device 8 (see Figure 3), which are arranged in front of the vehicle inside the engine safe 2, are moved backwards. Then, when the engine safe 2 is deformed at the rear, the motor drive unit 10 and the high voltage unit 20 are disposed at the rear of the vehicle. According to the displacement of the high voltage unit 20, the connection terminal of the charge / discharge wire harness 26, to which an end 51a of the charge / discharge wire harness 51 is connected, is moved close to the control panel. instruments 4.
    [057] The loading / unloading harness connection terminal 26 is disposed within the concave connection part of the harness 25, formed on the rear surface of the high voltage module 24, as the rear surface of the drive unit high voltage 20, which is facing the instrument panel 4.
    [058] With the arrangement, the high voltage unit 20 is to interfere with the instrument panel 4, as shown in Figure 8 (a), the rear surface of high voltage module 24 of high voltage module housing 23 is initially brought into contact with the instrument panel 4. On the other hand, due to the contact of the rear surface of the high voltage module 24 with the instrument panel 4, the H1 space is retained between the instrument panel 4 and the terminal loading / unloading harness connection terminal 26, located within the concave connection part of the wire harness 25. Therefore, the loading / unloading harness connection terminal 26 can be prevented from being brought into contact with the instrument panel 4. It is therefore possible to prevent the connection terminal of the loading / unloading harness 26 from interfering with the instrument panel 4, and thereby improving the protection of the loading / unloading harness 51 .
    [059] Also, in the load / unload wire harness routing structure according to the embodiment, the load / unload wire harness connection terminal 26 is arranged on the inner eave surface 25a, in order to face low. With the routing structure, as shown in Figure 4, the loading / unloading harness 51, connected to the connection terminal of the loading / unloading harness 26, is routed downwardly along the rear surface of high voltage module 24. That is, the loading / unloading harness 51 extends in a direction substantially parallel to the instrument panel 4. Therefore, as shown in Figure 8 (b), even when the loading / unloading 51 is made to move backwards, the loading / unloading harness 51 can hardly interfere with the instrument panel 4, so that more effective protection of the loading / unloading harness 51 can be obtained.
    [060] Particularly, in the load / unload harness routing structure according to the embodiment, the inverter 21, like the high voltage unit 20, is provided with the concave part of the harness removal 21c , in which the loading / unloading harness 51 is accommodated, in the region located below the concave connection part of the harness 25.
    [061] With the provision of the concave part of the harness removal 21c, as shown in Figure 8 (c), even in a case in which the inverter 21 is moved backwards and interferes with the instrument panel 4 , due to the frontal vehicle collision, the rear surface of inverter 21b of inverter housing 21a is initially brought into contact with the instrument panel 4. Due to the contact of the rear surface of inverter 21b with the instrument panel 4, the space H2, between the instrument panel 4 and the load / unload wire harness 51, accommodated inside the concave part of the wire harness 21c, can be retained, in order to prevent the harness of charge / discharge wires 51 is brought into contact with the instrument panel 4. In this way, the rear surface of the inverter 21b, surrounding the concave removal part of the harness 21c, is brought into contact with the instrument panel 4 before loading / unloading harness 51, so that the connection terminal of the loading / unloading harness 26 can be prevented from interfering with the instrument panel 4. Therefore, the loading / unloading harness 51 can be protected.
    [062] In addition, in the load / unload wire harness routing structure according to the embodiment, as shown in Figure 4, the load harness connection terminals, to which ends 53a, 54a of the harness load wires 52 are connected (in this embodiment, the fast load harness connection terminal 27a and the normal load harness connection terminal 27b), are arranged within the concave connection part of the wire harness 25.
    [063] With the arrangement, in a case in which the high voltage unit 20 is made to interfere with the instrument panel 4, according to the occurrence of frontal collision of the vehicle, initially, the rear surface of high power module voltage 24, from the high voltage module housing 23, is brought into contact with the instrument panel 4 (see Figure 8 (a)). Therefore, the fast charging harness connection terminal 27a and the normal charging harness connection terminal 27b can be prevented from coming into contact with the instrument panel 4, so that the charging harness 52 can be protected.
    [064] Further, in the load / unload harness routing structure according to the embodiment, the fast load harness connection terminal 27a and the normal load harness connection terminal 27b, which are load harness connection terminals, are arranged on the inner eaves 25a of the concave connection part of the harness 25, so that they are facing downwards (see Figure 4). With this arrangement, the quick-loading wire harness 53, connected to the fast-loading wire harness connection terminal 27a and to the normal-loading wire harness 54, connected to the normal-loading wire harness connection terminal 27b, are routed downward along the rear surface of the high voltage module 24. That is, the load harness 52 extends in a direction substantially parallel to the instrument panel 4, similarly to the load / unload harness 51. Therefore, even when the load harness 52 is moved backwards, the load harness 52 can hardly interfere with the instrument panel 4, so that more effective protection of the harness load 52 can be obtained.
    [065] Also, in the load / unload harness routing structure according to the embodiment, after an end 54a of the normal load harness 54 is connected to the connection terminal of the normal load harness 27b, disposed adjacent to the loading / unloading harness connection terminal 26, the normal loading harness 54 is routed to extend around behind the rear of the loading / unloading harness vehicle 51 That is, the normal load harness 54 is routed between the load / unload harness 51 and the instrument panel 4.
    [066] With this normal load harness routing 54, even in a case where, for example, a back of high voltage unit 20 is tilted upwards due to the deformation condition of the engine safe 2 , the normal loading harness 54 can be located at the rear of the loading / unloading harness vehicle 51, that is, in a part of the instrument panel 4 (see Figure 8 (b)). Therefore, the normal load harness 54 can serve to reduce the impact, which is incorporated from the instrument panel 4 in the load / unload harness 51, so that the load / unload harness 51 can be protected more efficiently. [Load / unload harness protection function in vehicle displacement collision]
    [067] To ensure protective performance of the charging / discharging harness, which connects the high voltage unit and the battery group to each other, which are arranged at the front of the vehicle and at the rear of the vehicle, respectively, so that the instrument panel is arranged between them, the high voltage unit must initially be brought into contact with the instrument panel, even when vehicle displacement collision occurs. Next, the load / unload harness protection function, in a vehicle displacement collision, is explained by reference to Figure 9.
    [068] When a front left part of the engine safe 2 is deformed at the rear of the vehicle, due to the occurrence of a vehicle displacement collision (in this embodiment, the introduction of cargo in the front left part), a lateral part of each of the radiator 7 and the fan device 8, arranged at the front of the vehicle inside the engine safe 2, is moved backwards.
    [069] When the engine safe 2 is deformed further behind the vehicle, a side part of each of the motor drive unit 10 and the high voltage unit 20 is moved diagonally behind the vehicle. According to the displacement, the loading / unloading harness connection terminal 26 and the loading / unloading harness 51, which is connected to the loading / unloading harness connection terminal 26 and routed down along the rear surface of the high voltage module 24, they are moved close to the instrument panel 4.
    [070] Since the loading / unloading harness connection terminal 26 is disposed within the concave connection part of the harness 25, even in a case where the high voltage unit 20 is moved diagonally backwards , to interfere with the instrument panel 4, due to displacement collision, the rear surface of the high voltage module housing 24 of the high voltage module 23 is initially brought into contact with the instrument panel 4 (in part A on Figure 9 (a)). Therefore, the loading / unloading wire harness connection terminal 26, disposed within the concave connection part of the wire harness 25, can be prevented from coming into contact with the instrument panel 4, so that the loading / unloading harness 51 can be protected.
    [071] Also, the inverter 21, which constitutes the high voltage unit 20, is equipped with the concave connection part of the wire harness 21c, in which the load / discharge wire harness 54 is accommodated, in the region located below the concave connection part of the wire harness 25.
    [072] With the provision of the concave part of the harness removal 21c, even in a case in which the high voltage unit 20 is moved diagonally backwards, to interfere with the instrument panel 4, due to the displacement collision, the rear inverter surface 21b of the inverter housing 21a is initially brought into contact with the instrument panel 4 (in part B in Figure 9 (b)). Due to the contact of the rear surface of inverter 21b with the instrument panel 4, the instrument panel 4 is moved backwards, so that the connection terminal of the loading / unloading harness 26, accommodated in the concave harness removal part 21c, can be prevented from coming into contact with the instrument panel 4. In this way, the rear surface of inverter 21b, surrounding the concave harness removal part 21c, is placed to interfere with the instrument panel 4 before the loading / unloading harness 54. Therefore, the connection terminal of the loading / unloading harness 26 can be prevented from interfering with the instrument panel 4, so that the loading / unloading harness 51 can be protected.
    [073] In addition, in the loading / unloading harness routing structure according to the embodiment, the quick load harness 53 and the normal load harness 54, which constitute the load wires 52, are routed along the side surface of the inverter housing 21a. At this point, the fast-loading wire harness 53 is routed to an internal part of the normal-loading wire harness 54, i.e., to an inverter housing part 21a.
    [074] With this routing, even in a case in which the side of the motor safe 2 is deformed, to contact the load harness 52, routed along the inverter housing side surface 21a, due in the event of a vehicle displacement collision, the normal load harness 54, in which electrical current with a relatively low voltage flows, is brought into contact with the side of the engine safe 2 before the quick load harness 53, in which electric current with relatively high voltage flows. That is, it is possible to serve to reduce the impact on the fast-loading harness 53 by the normal-loading harness 54. Therefore, the fast-loading harness 53 can preferably be protected before the harness of normal charge, in which electric current with relatively low voltage flows.
    [075] Furthermore, even in a case in which load is introduced into a front right part of the electric vehicle 1 due to a displacement collision, as shown in Figure 9 (c)), initially, the rear module surface high voltage module housing 24 is brought into contact with the instrument panel 4 (in part C in Figure 9 (c)). Therefore, the loading / unloading harness connection terminal 26, disposed within the concave connection part of the harness 25, can be prevented from coming into contact with the instrument panel 4, so that the harness loading / unloading 51 can be protected.
    [076] The load / unload harness routing structure, according to the embodiment, can promote the following effects.
    [077] (1) In the electric vehicle 1, a high voltage unit (the inverter 21, the high voltage module 22) 20, arranged in the motor safe 2, to supply drive current to the motor drive unit 10, as a power source for driving, and the battery group 30, located below the floor of the vehicle body 3, are connected together by the charge / discharge wire harness 51, high voltage unit (high voltage module) 22 including rear unit surface * rear surface of high voltage module) 24, which faces the instrument panel 4 vertically, extending between the engine safe 2 and the floor of the vehicle body 3, and the concave connection part of the harness 25, recessed from the rear surface of the high voltage module 24 towards an internal part of the high voltage unit 22, where the connection terminal of the loading / unloading harness 26, to which an end 51a load / discharge wire harness 51 is switched on, inside the concave part of the harness connection 25. With this arrangement, when an external force is introduced in the electric vehicle 1, the connection terminal of the load / unload harness 26 can be prevented from interfering with the panel of instruments 4, so that the loading / unloading harness 51 can be protected.
    [078] (2) The concave connection part of the harness 25 includes the inner eaves surface 25a, which faces downwards from the vehicle, and the connection terminal of the loading / unloading harness 26 is arranged on the inner surface overhang 25a, so that it faces downwards.
    [079] With this arrangement, the loading / unloading harness 51 extends downwards along the rear surface of the unit 24, so that the loading / unloading harness 51 and the instrument panel 4 are located parallel to each other. Therefore, the loading / unloading harness 51 and the instrument panel 4 hardly interfere with each other, so that the loading / unloading harness 51 can be protected more effectively.
    [080] (3) The high voltage unit (inverter) 21 includes the concave part of the harness removal 21c in a region located below the concave part of the harness connection 25, the concave part of the harness removal wires 21c being lowered from the rear unit surface (rear inverter surface) 21b towards an internal part of the high voltage unit (inverter) 21. The load / discharge harness 51 is accommodated in the concave part of the harness removal yarn 21c. With this arrangement, the loading / unloading harness 51 can be protected, regardless of a direction in which an external force is introduced into the electric vehicle 1.
    [081] (4) The high voltage unit (high voltage module) 22 and the electrical energy receiving part (load input) 40, to which external electrical energy, to be charged in battery group 30, is introduced, are connected together by the load harness 52. The concave connection part of the harness 25 accommodates the load harness connection terminals (quick charge harness connection terminal 27a and connection terminal of the normal load harness 27b), to which the load harness ends 52a, 54a are attached.
    [082] With this arrangement, when an external force is introduced in the electric vehicle 1, the load harness 52 can be protected.
    [083] (5) The concave connection part of the harness 25 includes the inner eaves surface 25a, which faces downwards from the vehicle, and the connection terminals of the load harness 27a, 27b are arranged on the inner surface overhang 25a, so that they are facing downwards.
    [084] With this arrangement, the load harness 52 can be routed downwards along the rear surface of unit 24. Consequently, the load harness 52 and the instrument panel 4 are located parallel to each other, thereby way, hardly interfering with each other. Therefore, the loading / unloading harness 51 can be protected more effectively.
    [085] (6) The load harness 52 includes the quick load harness 53, in which high voltage current flows, and the normal load harness 54, in which current with a lower voltage than that of the fast-loading harness 53 flows. The normal charge harness 54 is routed to extend between the charge / discharge harness 51 and the instrument panel 4 towards the electrical energy receiving part (normal charge input) 42.
    [086] With this structure, it is possible to reduce the impact that is incorporated from the instrument panel 4 in the load / unload harness 51 by the normal load harness 54.
    [087] Although the invention has been described above with reference to the embodiment mentioned above of the invention, it is not limited to the embodiment. Other modifications and variations of the embodiment described above will occur for those skilled in the art, as long as they originate from the subject of the invention, in accordance with the claims presented below.
    [088] In the embodiment, the inverter 21 and the high voltage module 22 of the high voltage unit 20 are, respectively, accommodated in individual housings, and the high voltage module 20 is arranged in an upper part of the inverter 21. However , the arrangement of the inverter 21 and the high voltage module 22 is not limited to that shown in the realization. For example, the inverter 21 and the high voltage module 22 can be accommodated within the same housing, to thereby form a one-piece unit, or the inverter 21 can be arranged on top of the high voltage module 22 Also, the DC / DC converter and the charger, inside the high voltage module, can be separated from each other. In any case, the high-voltage unit 20 consists of a group of devices, which includes the inverter, the DC / DC converter and the charger, and supplies drive current to the motor drive unit 10, as a sea-cha drive source.
    [089] Also, in the embodiment, the charge of the battery group 30 is conducted by connection to an external power source (not shown) at the charge input 40, as an electrical energy receiving part. However, the charge of the battery group 30 is not limited to that described in the embodiment, and can be conducted using an induction type non-contact power supply device, which includes a coil with the electrical energy receiving part and it serves to transmit electrical energy from an energy supply part to an electrical energy receiving part, without contact between them, by magnetic connection of the coil to a primary coil in the power supply part.
    [090] In addition, in the embodiment, the load inlet 40 is arranged at the front of the engine safe 2. However, the arrangement is not limited to the embodiment, and the inlet 40 can be arranged to face a surface side of the vehicle. Furthermore, an engine safe 2 is not formed divisionally at the front of the vehicle, but at the rear of the vehicle.
    [091] In addition, in the embodiment, the quick-loading wire harness 53 and the normal-loading wire harness 54 are connected directly to the load inlet 40, as shown in Figures 2 and 3. However, to improve performance maintenance of the respective load wire harnesses 53, 54, it is possible to provide an intermediate connector, which is connected loosely with a part on the front side of the respective face wire harnesses, which is connected to the load input 40, and a part on their back side.
    权利要求:
    Claims (6)
    [0001]
    1. Load / unload harness routing structure in an electric vehicle comprising: a high voltage unit (20) arranged in an engine safe (2) to supply the drive current to a drive unit of motor (10) as a source of driving motion; a group of batteries (30) disposed below a floor of the vehicle body (3); and a charging / discharging wire harness (51) by which the high voltage unit (20) and the battery group (30) are connected together, FEATURED by the fact that the high voltage unit (20) comprises a unit upper (22) and a lower unit (21), the upper unit (22) and the lower unit (21) respectively comprise a rear surface of an upper unit (24) and a rear surface of a lower unit (21b), which are facing for an instrument panel (4), extending vertically between the engine safe and the floor of the vehicle body (3); and a concave connection part of the wire harness (25), arranged between the rear surface of the upper unit (24) and the rear surface of the lower unit (21b) and recessed from the rear surface of the upper unit (24) and the rear surface of lower unit (21b) towards an internal part of the high voltage unit (20) in the form of a groove, in which a connection terminal of the loading / unloading harness (26), to which one end (51a ) of the loading / unloading wire harness (51) is connected, it is arranged inside the concave connection part of the wire harness (25).
    [0002]
    2. Load / unload harness routing structure in an electric vehicle, according to claim 1, CHARACTERIZED by the fact that the concave connection part of the harness (25) comprises a covering surface ( 25a), which is facing downwards from the electric vehicle, the connection terminal of the charging / unloading harness (26) being arranged on the cover surface (25a), so that it faces downwards.
    [0003]
    3. Load / unload wire harness routing structure in an electric vehicle, according to claim 1 or 2, CHARACTERIZED by the fact that the high voltage unit (21) comprises a concave part of the harness removal (21c), in a region located below the concave part of the harness connection (25), the concave part of the harness removal (21c) is continuously connected to the concave part of the harness connection and recessed from the rear surface of the lower unit towards the inside of the high voltage unit, the loading / unloading harness being accommodated in the concave part of the harness removal.
    [0004]
    4. Load / unload wiring harness routing structure in an electric vehicle, according to claim 1, CHARACTERIZED by the fact that the high voltage unit (22) and an electrical energy receiving part (40) , to which external electrical energy to be charged into the battery pack (30) is introduced, are connected together by a charging wire harness (52) and a charging wire harness connection terminal (27a, 27b) connected to an end (53a, 54b) of the load harness (52) being disposed within the concave connection part of the harness (25).
    [0005]
    5. Load / unload harness routing structure in an electric vehicle, according to claim 4, CHARACTERIZED by the fact that the concave connection part of the harness (25) comprises a covering surface ( 25a), which is facing downwards of the electric vehicle, the connection terminal of the load harness (27a, 27b) being arranged on the cover surface (25a), so that it is facing downwards.
    [0006]
    6. Load / unload harness routing structure in an electric vehicle according to claim 5, CHARACTERIZED by the fact that the load harness (52) comprises a quick load harness ( 53), in which a current with a high voltage flows and a normal load harness (54), in which a current with a lower voltage than the high voltage of the current flowing in the quick charge wire harness (53 ) flows, the normal charge wire harness (54) being routed to extend between the charge / discharge wire harness (51) and the instrument panel (4), towards the electrical energy receiving part (42 ).
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    同族专利:
    公开号 | 公开日
    US9487163B2|2016-11-08|
    EP2711247B1|2016-05-25|
    JP6012143B2|2016-10-25|
    EP2711247A4|2015-08-26|
    CN103534142B|2016-05-04|
    CN103534142A|2014-01-22|
    KR20140021023A|2014-02-19|
    RU2013155918A|2015-06-27|
    EP2711247A1|2014-03-26|
    WO2012157316A1|2012-11-22|
    RU2558501C2|2015-08-10|
    JP2012240477A|2012-12-10|
    MX2013013151A|2014-02-17|
    US20140333130A1|2014-11-13|
    BR112013029352A2|2017-02-07|
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    法律状态:
    2018-12-18| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-08-13| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-05-26| B06A| Patent application procedure suspended [chapter 6.1 patent gazette]|
    2020-10-20| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-15| B16A| Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/03/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    JP2011110196A|JP6012143B2|2011-05-17|2011-05-17|Electric vehicle charging / discharging harness wiring structure|
    JP2011-110196|2011-05-17|
    PCT/JP2012/055202|WO2012157316A1|2011-05-17|2012-03-01|Charging/discharging harness routing structure for electric automobile|
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