• 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:
    Summary The invention relates to a sensor housing device (26) with a sensor housing portion (32) for ABS sensor means (27) at a wheel suspension device (6) for vehicles (1) comprising a non-rotatable axle (9) with a axle pin (10) and an axle pin (10). ) mounted wheel bearing unit (11) around which a nay (19), with a brake disc (22) arranged on the hub (19), is rotatably arranged. The sensor housing portion (32) includes a projecting portion in the form of an air deflector (38) extending along an inner portion (39) of, and spaced from, the brake disc (22) and forming a shield between the brake disc (22) and the ABS sensor means. (27). (Fig. 2)
    公开号:SE1351122A1
    申请号:SE1351122
    申请日:2013-09-27
    公开日:2015-03-28
    发明作者:Anette Bernström；Arne Lindqvist；Christofer Andersson
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    Sensor hall device with one sensor hall portion for ABS sensor means at a wheel suspension for vehicles.
    TECHNICAL FIELD The present invention relates to a sensor holder device with a sensor housing portion for ABS sensor means in a wheel suspension for vehicles according to the preamble of claim 1. The invention also relates to a motor vehicle with a sensor hall device with a sensor hall portion for ABS sensor means according to claim 11.
    Background of the Invention and Prior Art A wheel suspension for vehicles comprises a non-rotating axle with a axle pin and a wheel bearing unit mounted on the axle pin on which a nay is mounted. A vehicle wheel with a follower and a heel as well as a brake disc can be mounted at the hub so that the wheel and the brake disc rotate around the axle pin at the vehicle's feed. When the vehicle is braked, brake pads are pressed against the sides of the brake disc, whereby the rotation of the wheel and the dam of the vehicle are also braked. Especially with slippery road conditions, it is unfortunate that the vehicle wheels do not laser during braking, which paralysis leads to an increased braking distance at the same time as the driver may lose the opportunity to steer the vehicle past any obstacles on the road.
    To prevent vehicle wheels from being read during heavy braking, vehicles are often equipped with ABS braking systems, which include ABS sensors arranged at each wheel, with the help of which the force applied to the vehicle's brakes can be controlled and limited. During repeated decelerations within a short period of time, the brake disc heats up sharply, whereby heat is transferred to adjacent components by forced convection, which means that an external air stream can conduct hot air further towards heat-sensitive components. This leads to problems in vehicles with disc brakes because the ABS sensor, which is usually located near a brake disc, can stop working when exposed to high temperatures, which leads to the ABS brake system being deactivated, whereby the brakes can become locked during a strong braking. In order to reduce the risk of the ABS sensors being exposed to high temperatures, these are mounted so that they are exposed to the cooling payer of the speed wind as far as possible during operation of the vehicle. The speed wind gives rise to an air flow through the area where the ABS sensors are arranged, which air flow limits the radiant heat from the brake discs and nearby hot parts and in addition hot air leads away from the area where the ABS sensors are arranged.
    When the vehicle is driven at low speed and / or during intermittent operation where the vehicle is shifted forward and braked, e.g. during cow formation in traffic, the speed wind and thus also the air flow through the areas where the ABS sensors are arranged is limited at the same time as the brake discs can be very hot. The limited air flow, which despite being present, risks depleting hot frail brake discs and other hot parts and conducting the heat towards sensitive parts on the ABS sensors, while at the same time not formally conducting the heat out of the area where the ABS sensors are arranged. Sensitive parts on the ABS sensors thereby risk being damaged, which can lead to aft. The ABS brake system has been deactivated.
    SE 535426 shows a sensor hall device for ABS sensor means. The sensor housing device comprises a ring element designed to be arranged at a shaft pin of a motor vehicle and comprises means for axially and circumferentially fixing the age of the sensor member. The fixation is achieved with the help of a staple arrangement. The document does not show anything that prevents hot air from flowing or blowing towards the ABS sensor.
    US 2006/0124411 states that it can get very hot in the onatid around an ABS sensor and that protection against heat effects is necessary. The document describes that this protection consists of a protective bearing on a gear wheel which resists extreme heat during use. However, such protection does not prevent hot air from flowing or blowing against an ABS sensor.
    Another solution is shown in DE 4230012 where gears are in contact with cooling fins to solve heat problems. Nor does this document describe a solution that prevents hot air from flowing or blowing against an ABS sensor. SUMMARY OF THE INVENTION An object of the present invention is to prevent ABS sensor means from being exposed to harmful heat radiation and harmful hot air currents. To this end, the invention is defined by what is stated in the independent claims 1 and 11.
    In that a sensor hall device according to claim 1 comprises the features that the sensor hall portion comprises at least one projecting portion in the form of an air deflector which extends along an inner section of, and at a distance from, the brake disc and forms a cut-off between the brake disc and the ABS sensor member. heat radiation and harmful hot air currents generated by the brake disc do not reach sensitive parts of an ABS sensor but pass over the air deflector out of the area where the ABS sensor is arranged. Sensitive parts on the ABS sensor are thus much more protected than in previous known solutions.
    In an alternative embodiment, the sensor hall portion is an integral part of a spacer ring which is arranged in the wheel suspension between the wheel bearing unit and the axle pin. This has the advantage that it is easy and quick to mount a sensor holder on the vehicle because the spacer ring is patterned on the axle and axially clamped between the wheel bearing unit and the axle pin 20 without the need for responsive fastening means or welding and the like.
    The other features of the invention are apparent from the patent-pending claims and the following description of the embodiments exemplified by the invention.
    Brief description of the drawing In the following, exemplary preferred embodiments of the invention are described with reference to the accompanying drawing, in which: Figure 1 shows a side view of a motor vehicle, Figure 2 schematically shows a longitudinal section of a wheel suspension device for the motor vehicle, Figure 3 schematically shows a sensor hall device according to an embodiment of the invention, Figure 4 schematically shows a sensor hall device according to a further embodiment of the invention.
    Detailed Description of Preferred Embodiments of the Invention Figure 1 shows a side view of a motor vehicle 1 according to the present invention. The vehicle 1 comprises a front and a rear wheel axle 2,3, each with two or more wheels 4,5. Each wheel axle 2,3 extends transversely to the vehicle 1 and comprises a wheel suspension device 6 at its two end portions. The exemplary vehicle 1 consists of a heavy vehicle in the form of a truck. The vehicle 1 may alternatively be a bus or a passenger car and comprises a sensor hall device for ABS sensor means according to the present invention.
    Figure 2 schematically shows a cross-sectional view of a wheel suspension device 6 for the vehicle 1, where the wheel suspension device 6 comprises a non-rotatable axle 9 with a axle pin 10 and a wheel bearing unit 11 mounted on the axle pin 10. The wheel bearing unit 11 preferably comprises ball bearings or roller bearings. The wheel bearing unit 11 is axially loaded on the axle pin 10 with an annular nut 12 which presses the wheel bearing unit 11 against an annular spacer ring 13 which circumferences the axle pin 10 and which is arranged to abut against a shoulder 14 on the axle pin 10.
    The spacer ring 13 is fixed to the shaft pin 10 by a pressing method, a shrinking method or in another way, e.g. with a flap in the form of a clamp or screw connection, and is thus not rotatably arranged but fixedly connected to the axle pin 10. In an alternative embodiment, the spacer ring 13 is prevented from rotating around the axle force by the clamping ring nut 12 bearing wheel bearing unit 11 and thus also the spacer 13. conventional stroke is arranged between the ring nut 12 and the wheel bearing unit 11 and a hub cap 16 is arranged to thank the end portion of the shaft pin 10 for protecting e.g. the wheel bearing unit 11 from external influence.
    The wheel suspension device 6 further comprises a fastener 19 fixed to the wheel bearing unit 11 at which a vehicle wheel (not shown) is arranged to be able to be mounted by means of fasteners (not shown) in the form of screws or the like. The hub 19 further comprises recesses 20 for fasteners 21. which a brake disc 22 can be mounted at the hub 19. The hub 19 and the vehicle wheel and the brake disc 22 arranged at the hub 19 are thus arranged in the wheel suspension device 6 so that they rotate relative to the axle pin about the axis X of the axle pin 10 when the vehicle 1 is advanced. When the vehicle 1 is braked, brake pads 23 are pressed against the sides of the brake disc 22, whereby said rotation and thus also the vehicle 1 is braked. During repeated decelerations within a short period of time, the brake disc 22 is strongly heated, whereby it generates conduction heat and radiant heat which is transferred to adjacent components and gives rise to forced convection where an external air stream can conduct hot air to heat-sensitive components.
    A sensor holding device 26 for ABS sensor means 27 is fixedly arranged relative to the shaft pin 10 and extends between the shaft pin 10 and the rotatably arranged hub 19 and a gear 28 rotating with the hub 19, the sensor holding device 26 being arranged to hold the sensor means 27 substantially radially in line with and on axial al / stand from the gear 28 to sense wheel speed. Between the fixedly arranged sensor housing device 26 and the rotatably arranged hub 19, a hub socket 29 is arranged. The task of the hub ring 29 is to retain lubricant in the form of oil or grease which is to lubricate the wheel bearing unit 11. The sensor housing device 26 comprises a sensor housing portion 32 with a through hole 33 which forms a retaining member for the sensor member 27, which has a substantially cylindrical shape is connected to brake control means not shown. Between the sensor means 27 and the through-hole 33, a bushing 35 enclosing the sensor means 27 is arranged. The sensor means 27 extends through the bushing 35, or through the through-hole 33 in the event that no bushing 35 is used, and is connected to the sensor hall portion 32 on suitable salt, e.g. by press fitting or by using some form of conventional fastener.
    The sensor housing portion 32 comprises at least one projecting portion in the form of an air deflector 38 which extends along an inner section 39 of, and away from, the brake disc 22 and forms on this salt a shield between the brake disc 22 and the sensor means 27. The air deflector 38 comprises a elongate portion 40 with a first portion 41 and a second portion 42, the second portion 42 being arranged to extend over a section of the sensor member 27 projecting from the sensor hall portion 32 and defining a gap 43 between the air deflector 38 and the sensor member 27. The elongate portion the portion 40 is shell-shaped and comprises a convex surface 44 which is adapted to be directed away from the hub 19 and towards the brake disc 22. Through the convex surface 44 existing air drums will be directed away from the sensor means 27.
    Figure 4 which shows a perspective view of the sensor hall device 26 shown in Figure 2 shows that the sensor hall portion 32 comprises an elongate shell-shaped portion 40 with a convex surface 44 but also that the shell-shaped portion 40 is semicircular with side portions 46 extending away from the brake disc 22. For the sake of clarity, only the holding member 33 of the sensor member 27 is shown, but not the sensor member itself. It can be seen from the figure that the side portions 46 extend past the retaining member 33, this in order to protect the side portions of the sensor member 27 when the sensor member 27 is arranged in the retaining member 33.
    In the embodiment shown in Figures 2 and 4, the sensor hall portion 32 forms an integral part of the spacer ring 13 and has the shape of a radially projecting portion 47 at the radially outer portion 48 of the spacer member. 26. In an alternative embodiment shown in Figure 3, the sensor hall portion 32, via a fastener 54, is arranged at a radially projecting flange 53 at the shaft 9, but it is alien possible to arrange the sensor hall portion 32 with its fixed 54 at the shaft pin 10. Fastened 54 can be connected to the shaft 9 or to the shaft pin 10 by conventional fastening means such as e.g. screw joints or with the aid of welding or the like.
    In a further alternative, but not shown, embodiment, the sensor hall portion 32 forms an integral part of an annular member which encircles the shaft pin 10 or the shaft 9 but which does not have the shape of a spacer. In such an embodiment, the annular member is connected in a suitable place along the shaft pin 10 or along the shaft 9 by a pressing method, a shrinking method or in another way, e.g. with flagon shape of clamp or screw connection. 7 When the vehicle 1 is driven, the speed wind gives rise to an air flow through the area where the sensor means 27 is arranged, which air flow defines the heat and radiation heat from the brake disc 22 and adjacent hot parts and also leads hot air away from the area where the sensor means 27 is arranged. The heat dissipating effect is thereby amplified by the air deflector 38.
    When the vehicle 1 is driven at low speed and / or during intermittent operation, the vehicle 1 is shifted forward and braked, e.g. during co-formation in traffic, the speed wind and damned aven the air flow through the area where the sensor means 27 is arranged is limited at the same time as the brake disc 22 can be very hot. The limited air flow which nevertheless extends heats off the brake disc 22 and other hot parts but does not conduct the heat towards sensitive parts of the sensor means 27 which in prior art but the hot air flow passes over the air deflector 38 out of the area where the sensor means 27 is arranged. Sensitive parts on the sensor member 27 are thereby considerably more protected than in previously known solutions.
    The invention is of course not limited to the embodiments described above, but a number of possibilities for modifications of these should be obvious to a person skilled in the art without departing from the basic idea of the invention as defined in the appended claims. 8
    权利要求:
    Claims (11)
    [1]
    Sensor housing device with a sensor housing part (32) for ABS sensor means (27) at a wheel suspension device (6) for vehicles (1) comprising a non-rotatable shaft (9) with a shaft pin (10) and a wheel bearing unit mounted on the shaft pin (10) (11) around which a nay (19), with a brake disc (22) arranged on the hub (19), is arranged rotatably, characterized in that the sensor housing portion (32) comprises at least one projecting portion in the form of an air deflector (38) which extends along an inner section (39) of, and at a distance from, the brake disc (22) and forms a shield between the brake disc (22) and the ABS sensor means (27).
    [2]
    Sensor holding device according to claim 1, characterized in that the air deflector (38) comprises an elongate portion (40) with a convex surface (44) directed away from the hub (19) and towards the brake disc (22).
    [3]
    Sensor hall device according to claims 1 and 2, characterized in that the elongate portion (40) comprises a first part (41) and a second part (42), the second part (42) being arranged to extend over a section of the ABS. the sensor means (27) projecting from the sensor housing portion (32) and defining a gap (43) between the air deflector (38) and the ABS sensor means (27).
    [4]
    Sensor housing device according to any one of claims 1-3, characterized in that the elongate portion (40) is shell-shaped and in a cross-section semicircular shape with side portions (46) extending away from the brake disc (22).
    [5]
    Sensor housing device according to claim 1, characterized in that a spacer ring (13) is arranged between the wheel bearing unit (11) and the axle pin (10) and that the sensor holder portion (32) is an integral part of the spacer ring (13).
    [6]
    Sensor hall device according to claim 5, characterized in that the sensor hall portion (32) has the shape of a radially projecting portion at the radially outer part of the spacer ring. 9
    [7]
    Sensor hall device according to claims 5 and 6, characterized in that the spacer ring (13) and the sensor hall portion (32) are connected to each other via a neck portion for the formation of a single sensor hall device (26).
    [8]
    Sensor housing device according to claim 5, characterized in that the spacer ring (13) is annular and circumferences the shaft journal (10).
    [9]
    Sensor holding device according to claim 8, characterized in that the spacer ring (13) is arranged to abut against a shoulder (14) on the shaft pin (10).
    [10]
    Sensor housing device according to claims 8-9, characterized in that the spacer ring (13) is fixedly connected to the shaft pin (10).
    [11]
    Vehicle comprising a sensor hall device (26) according to any one of claims 1-
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    同族专利:
    公开号 | 公开日
    WO2015047164A1|2015-04-02|
    EP3049293A4|2017-08-02|
    SE537476C2|2015-05-12|
    KR20160042106A|2016-04-18|
    EP3049293B1|2020-07-15|
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    KR101741200B1|2017-05-29|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE4230012C2|1992-09-08|1999-08-26|Knorr Bremse Systeme|ABS-monitored vehicle wheel|
    JP4424340B2|1997-10-17|2010-03-03|日本精工株式会社|Rolling bearing unit with rotational speed detector|
    DE19932585A1|1999-07-13|2001-01-18|Zahnradfabrik Friedrichshafen|Sensor for detecting the speed of a wheel|
    JP2006153504A|2004-11-25|2006-06-15|Jtekt Corp|Roller bearing device with sensor|
    DE102007056340A1|2007-11-22|2009-05-28|Wabco Gmbh|Clamping bush for a sensor|
    SE532423C2|2008-05-23|2010-01-19|Scania Cv Ab|suspension device|
    JP5212814B2|2008-10-29|2013-06-19|株式会社ジェイテクト|Rolling bearing device with sensor|
    KR101282002B1|2009-02-17|2013-07-05|주식회사 만도|Wheel speed sensing device for vehicle|
    DE102011116286A1|2011-10-19|2013-04-25|Schmitz Cargobull Ag|Chassis component comprising a heat-sensitive electrical component|CA3013096C|2016-03-11|2020-05-05|Hendrickson Usa, L.L.C.|Bracket for anti-lock braking system sensor|
    CN110939659B|2019-11-26|2021-03-09|西安航天动力研究所|Structure capable of accurately measuring axial force of turbine without compressing outer ring of bearing|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1351122A|SE537476C2|2013-09-27|2013-09-27|Sensor holder device with a sensor holder portion for ABS sensor means at a wheel suspension for vehicles.|SE1351122A| SE537476C2|2013-09-27|2013-09-27|Sensor holder device with a sensor holder portion for ABS sensor means at a wheel suspension for vehicles.|
    EP14849040.2A| EP3049293B1|2013-09-27|2014-09-17|Sensor retainer device with a retainer portion for abs sensor means pertaining to a wheel suspension for a vehicle|
    PCT/SE2014/051074| WO2015047164A1|2013-09-27|2014-09-17|Sensor retainer device with a retainer portion for abs sensor means pertaining to a wheel suspension for a vehicle|
    KR1020167006441A| KR101741200B1|2013-09-27|2014-09-17|Sensor retainer device with a retainer portion for abs sensor means pertaining to a wheel suspension for a vehicle|
    BR112016001992-0A| BR112016001992B1|2013-09-27|2014-09-17|SENSOR RETAINER DEVICE WITH A RETAINER PORTION FOR ABS HALF SENSOR BELONGING TO A WHEEL SUSPENSION FOR A VEHICLE, AND VEHICLE|
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