CN221233718U - Electronic parking braking system and vehicle with same - Google Patents
Electronic parking braking system and vehicle with same Download PDFInfo
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- CN221233718U CN221233718U CN202323532791.6U CN202323532791U CN221233718U CN 221233718 U CN221233718 U CN 221233718U CN 202323532791 U CN202323532791 U CN 202323532791U CN 221233718 U CN221233718 U CN 221233718U
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- electronic parking
- brake system
- vehicle
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- Braking Systems And Boosters (AREA)
Abstract
The utility model relates to an electronic parking brake system and a vehicle with the same. The electronic parking brake system includes: a caliper motor adapted to be fixed to a knuckle; a controller adapted to be fixed to a vehicle body; and a wire harness assembly having a wire harness connected to the caliper motor and the controller, respectively, and having a first fixing point on the knuckle and a second fixing point on the vehicle body, wherein at least a portion of the wire harness between the first fixing point and the second fixing point is a spiral wire harness. The electronic parking brake system can utilize the tensile property and the rebound resilience of the spiral wire harness to prevent the wire harness from being pulled due to the change of the state of the wheels, avoid the damage of the wire harness and improve the safety and the reliability of the electronic parking brake system. In addition, the electronic parking brake system is simple in structure and easy to process.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to an electronic parking brake system and a vehicle with the same.
Background
An electronic parking Brake system (ELECTRICAL PARK Brake, abbreviated as EPB) refers to a technology for implementing parking Brake by an electronic control mode. Compared with the traditional mechanical pull rod hand brake, the electronic parking brake system can automatically close the electronic hand brake when the vehicle starts and automatically close the electronic hand brake when the vehicle starts by stepping on the accelerator, so that the parking reliability is improved. The electronic parking braking system can not change the braking effect due to the strength of a driver, and the safety of parking is improved. In addition, the electronic parking brake system cancels a parking brake handle, and provides a larger available space for the design of the interior modeling of the whole vehicle.
Prior art electronic parking brake systems typically include a caliper (or "brake caliper") secured to a knuckle, a caliper motor for driving the caliper, and a controller coupled to the caliper motor. Wherein, be connected through the pencil between controller and the calliper motor. The controller is fixed on the automobile body, and calliper motor is fixed on the knuckle. In the running process of the vehicle, the vehicle wheels can change the gesture because of jolt up and down or steering left and right, so that a caliper motor on a steering knuckle can drag a wire harness, the wire harness is easy to damage, and the safety of an electronic parking brake system is greatly influenced.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of utility model
In order to solve or improve the technical problem that the safety of an electronic parking brake system in the prior art is poor to a certain extent, the utility model provides the electronic parking brake system. The electronic parking brake system includes: a caliper motor adapted to be fixed to a knuckle; a controller adapted to be fixed to a vehicle body; and a wire harness assembly having a wire harness connected to the caliper motor and the controller, respectively, and having a first fixing point on the knuckle and a second fixing point on the vehicle body, wherein at least a portion of the wire harness between the first fixing point and the second fixing point is a spiral wire harness.
Those skilled in the art will appreciate that in the electronic parking brake system of the present utility model, a caliper motor, a controller and a physical assembly are included. Wherein, calliper motor is suitable for to be fixed on the knuckle, and the controller is suitable for to be fixed on the automobile body, and the pencil subassembly has the pencil that is connected with calliper motor and controller respectively. The wire harness has a first fixing point and a second fixing point located on the knuckle and the second fixing point, respectively, and at least part of the wire harness between the first fixing point and the second fixing point is a spiral wire harness. According to the electronic parking brake system, at least part of the wire harness between the first fixed point on the steering knuckle and the second fixed point on the vehicle body is arranged to be the spiral wire harness, the tension effect caused by the change of the wheel posture is automatically absorbed by utilizing the elastic expansion and contraction of the spiral wire harness, the wire harness is prevented from being damaged due to rigid tension, and the safety and the reliability of the whole electronic parking brake system are improved. In addition, the electronic parking brake system is simple in structure, easy to process and low in manufacturing cost.
In a preferred aspect of the above-described electronic parking brake system, the second fixing point includes a plurality of wires arranged on the vehicle body at intervals from each other, and at least part of the wire harness between the adjacent second fixing points is also the spiral wire harness. The second fixing points are provided in the plurality of spaced apart from each other on the vehicle body, so that the connection point between the wire harness and the vehicle body can be increased, and the reliability of the wire harness fixing can be improved. In addition, at least part of the wire harness between the adjacent second fixing points is also arranged into a spiral wire harness, so that the whole wire harness can be conveniently routed, the length of the wire harness can be conveniently adjusted, and the electronic parking brake system can be conveniently maintained later.
In the preferred technical scheme of the electronic parking brake system, a flexible buffer tube sleeved on the wire harness is arranged at each of the first fixing point and the second fixing point. The flexible buffer tube is arranged, so that the stress of the wire harness near the first fixing point and the second fixing point can be dispersed, the stress concentration is reduced, and the wire harness is prevented from being broken and broken at the fixing points (namely the first fixing point and the second fixing point).
In the above preferred technical solution of the electronic parking brake system, the flexible buffer tube is EPDM, EVA, EPE, EPP, PE or SBR. Through foretell setting, can make flexible buffer tube have good elasticity to satisfy the design needs of dispersed stress, also can enrich the type of flexible buffer tube material simultaneously, in order to satisfy user's differentiation needs.
In the above preferred technical solution of the electronic parking brake system, the spiral wire harness is coated with a wear-resistant material, a noise-reducing material, a heat-insulating material or a signal shielding material. The protective performance of the wire harness can be further enriched by coating the spiral wire harness with functional materials such as wear-resistant materials, noise-reducing materials, heat-insulating materials or signal shielding materials.
In the preferred technical scheme of the electronic parking brake system, the corrugated pipe is sleeved on the spiral wire harness. The corrugated pipe is sleeved on the spiral wire harness, so that the spiral wire harness can be effectively dustproof, impact-resistant and protective.
In a preferred aspect of the above electronic parking brake system, the wire harness assembly includes fixing members disposed on the first and second fixing points, respectively, and the fixing members are configured to form a fixed connection with the wire harness by a tie, a buckle, or a pipe clip. The fixing piece can be used for conveniently fixing the wire harness on the car body or the steering knuckle. In addition, the setting of ribbon, buckle or pipe clamp also can conveniently and firmly fix the pencil on the mounting.
In the preferred technical scheme of the electronic parking brake system, the wire harness comprises a power wire and a communication wire. The arrangement of the power line can provide proper electric energy for the caliper motor. In addition, the communication wires are arranged, so that the transmission of communication signals between the controller and the caliper motor can be conveniently realized.
The utility model provides a vehicle for solving or improving the technical problem that the safety of an electronic parking brake system in the prior art is poor to a certain extent. The vehicle comprising an electronic parking brake system as defined in any one of the above. By adopting any one of the electronic parking brake systems, the vehicle can automatically absorb the pulling action caused by the change of the wheel posture by utilizing the elastic expansion and contraction of the spiral wire harness, so that the damage caused by the rigid pulling of the wire harness is avoided, and the safety and the reliability of the electronic parking brake system are improved.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of an embodiment of an electronic parking brake system of the present utility model;
FIG. 2 is a schematic cross-sectional view of an embodiment of the electronic parking brake system of the present utility model taken along section line A-A shown in FIG. 1;
Fig. 3 is a schematic structural diagram of an embodiment of the electronic parking brake system of the present utility model in practical application.
List of reference numerals:
100. An electronic parking brake system; 110. a caliper motor; 120. a wire harness assembly; 121. a wire harness; 121a, a first interface; 121b, a second interface; 1211. a power line; 1212. a communication line; 1213. an insulating leather sheath; 1214. a first fixed point; 1215. a second fixed point; 1216. a spiral wire harness; 122. a flexible buffer tube; 123. a tie; 124. a fixing member; 200. a knuckle; 300. a vehicle body.
Detailed Description
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected, can be indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
In order to solve or improve the technical problem of poor safety of the electronic parking brake system in the prior art to a certain extent, the present utility model provides an electronic parking brake system 100. The electronic parking brake system 100 includes: a caliper motor 110, the caliper motor 110 being adapted to be fixed to the knuckle 200; a controller adapted to be secured to the vehicle body 300; and a wire harness assembly 120, the wire harness assembly 120 having a wire harness 121 connected to the caliper motor 110 and the controller, respectively, and the wire harness 121 having a first fixed point 1214 on the knuckle 200 and a second fixed point 1215 on the vehicle body 300, wherein at least a portion of the wire harness 121 between the first fixed point 1214 and the second fixed point 1215 is a spiral wire harness 1216.
Fig. 1 is a schematic structural view of an embodiment of an electronic parking brake system of the present utility model. As shown in FIG. 1, in one or more embodiments, the electronic parking brake system 100 of the present utility model includes a caliper motor 110, a wire harness assembly 120, and a controller (not shown). Wherein the caliper motor 110 is adapted to be fixed to the steering knuckle 200 of the vehicle and the controller is adapted to be fixed to the body 300 of the vehicle. The wire harness assembly 120 includes a wire harness 121. The wire harness 121 is provided at both ends thereof with a first interface 121a and a second interface 121b, respectively. Wherein the first interface 121a is connected to the caliper motor 110 and the second interface 121b is connected to the controller such that the controller and the caliper motor 110 can form an electrical connection and a communication connection through the wire harness 121.
It should be noted that the electronic parking brake system 100 further includes a caliper (not shown) that is coupled to the caliper motor 110. The inside of the caliper is provided with a piston, a brake pad and other parts. The caliper motor 110 drives the piston inside the caliper to move through electromagnetic force, thereby pushing the brake pad to clamp the brake disc, and realizing the braking effect. During braking, the caliper motor 110 can provide a strong braking force so that the vehicle can be stably stopped without a roll phenomenon.
In one or more embodiments, the controller includes a microprocessor, memory, input interfaces, and output interfaces. The arrangement position of the controller may be adjusted according to actual needs, for example, in the chassis or the engine compartment of the vehicle body 300. The type of controller may be an analog controller, a digital controller, or other suitable controller. The controller may receive input signals from other systems of the vehicle, such as brake pedal signals, vehicle speed signals, etc., and control operation of the caliper motor 110. Specifically, the controller controls the movement of the caliper motor 110 by adjusting parameters such as current, voltage, etc. of the caliper motor 110, thereby achieving braking of the vehicle. In addition, the controller may also monitor the status of the caliper motor 110, such as current, temperature, etc., to ensure proper operation of the electronic parking brake system 100.
FIG. 2 is a schematic cross-sectional view of an embodiment of the electronic parking brake system of the present utility model taken along section line A-A shown in FIG. 1. As shown in fig. 2, in one or more embodiments, the wiring harness 121 includes two power wires 1211. The two power supply lines 1211 are a positive power supply line and a negative power supply line, respectively. The material of the power line 1211 may be, but not limited to, copper, aluminum, etc. In one or more embodiments, the cross-sectional area of the power cord 1211 is 1mm 2 (i.e., square millimeters), such that the power cord 1211 has a moderate thickness. Alternatively, the cross-sectional area of the power cord 1211 may be set to other suitable values thicker or thinner than 1mm 2.
With continued reference to FIG. 2, in one or more embodiments, the wiring harness 121 further includes two communication lines 1212 to transmit multi-bit data in parallel. The material of the communication line 1212 may be, but not limited to, copper, silver, etc. In one or more embodiments, the cross-sectional area of the communication wire 1212 is 0.35mm 2 (i.e., square millimeters) such that the communication wire 1212 has a moderate thickness. Alternatively, the cross-sectional area of the communication wire 1212 may be set to other suitable values thicker or thinner than 0.35mm 2.
With continued reference to fig. 2, in one or more embodiments, the wiring harness 121 further includes an insulating holster 1213 that is wrapped around the power cord 1211 and the communication cord 1212. The material of the insulating holster 1213 may be, but is not limited to, PVC (i.e., polyvinyl chloride), PE (i.e., polyethylene), XLPE (i.e., cross-linked polyethylene), TPU (i.e., thermoplastic polyurethane elastomer), silicone rubber, or the like. The insulating holster 1213 may function to protect the internal power cord 1211 and the communication cord 1212 from the external environment, such as moisture, chemicals, mechanical damage, etc. Meanwhile, the insulating sheath 1213 can also improve the mechanical strength of the entire wire harness 121, preventing it from being damaged by external forces such as stretching, bending, etc. In addition, the insulating sheath 1213 may also have a certain electromagnetic shielding effect, reducing the influence of electromagnetic interference on the wire harness 121.
As shown in fig. 1, the wire harness 121 has a first fixed point 1214 on the knuckle 200 and a second fixed point 1215 on the vehicle body 300. At least a portion of the wire harness 121 between the first fixed point 1214 and the second fixed point 1215 is a helical wire harness 1216. In one or more embodiments, all of the wire harness 121 between the first fixation point 1214 and the second fixation point 1215 is a helical wire harness 1216 such that the wire harness 121 has sufficient stretch and rebound capability. Alternatively, a portion of the wire harness 121 is a spiral wire harness 1216 between the first fixing point 1214 and the second fixing point 1215, and the remaining portion of the wire harness 121 is a straight wire harness, so that the wire harness 121 has good dimensional stability on the basis of satisfying the stretching and springback, preventing the spiral wire harness 1216 from being overlooked.
Fig. 3 is a schematic structural diagram of an embodiment of the electronic parking brake system of the present utility model in practical application. As shown in fig. 3, during actual application, the second fixing point 1215 of the wire harness 121 is fixed to the vehicle body 300, and the first fixing point 1214 is fixed to the knuckle 200. When the wheels are bump up and down or turned left and right to change the posture, a relative displacement is generated between the knuckle 200 and the vehicle body 300. In this process, the spiral harness 1216 between the first fixed point 1214 and the second fixed point 1215 automatically absorbs the pulling action of the knuckle 200 through the elastic expansion and contraction of itself, so that the harness 121 is prevented from being damaged due to rigid pulling, and the safety and reliability of the whole electronic parking brake system 100 are improved. In addition, the electronic parking brake system 100 is simple in structure, easy to process and low in manufacturing cost.
In one or more embodiments, a plurality of second fixation points 1215 are provided on the body 300 that are spaced apart from one another. The provision of the plurality of second fixing points 1215 can increase or decrease the connection point between the wire harness 121 and the vehicle body 300, improving the reliability and stability of the connection between the wire harness 121 and the vehicle body 300. At least a portion of the wire harness 121 between adjacent two of the second fixation points 1215 is a helical wire harness 1216. In other words, all or part of the wire harness 121 between the adjacent two second fixing points 1215 is the spiral wire harness 1216. Through the above arrangement, the whole wire harness 121 can be conveniently routed, and the length of the wire harness 121 can be conveniently adjusted, so that the electronic parking brake system 100 can be conveniently maintained later.
In one or more embodiments, the helical wire harness 1216 is coated with a wear-resistant material to improve the wear-resistant properties of the helical wire harness 1216, preventing damage from friction or wear. The wear-resistant material can be polyurethane gummed paper, polyester gummed paper and the like. In one or more embodiments, the helical wire harness 1216 is coated with a noise reducing material to effectively absorb or reflect sound, reducing the transmission of noise. The noise reducing material may be formed from a suitable rubber or plastic material. In one or more embodiments, the helical wire harness 1216 is coated with a thermally insulating material to effectively prevent heat transfer, ensuring that the wire harness 121 has a stable operating temperature. The insulating material may be, but is not limited to, plastic such as polyethylene, polypropylene, etc. In one or more embodiments, a signal shielding material is coated over the helical wire harness 1216 to effectively block and reflect electromagnetic waves, preventing electromagnetic interference from affecting the wire harness 121. The signal shielding material may be, but is not limited to, a metal foil, a wire mesh, or the like.
In one or more embodiments, a bellows (not shown) is also provided over the helical wire harness 1216 to effectively provide dust, shock and protection to the helical wire harness 1216. The material of the bellows may be, but is not limited to, metal, plastic, etc.
As shown in fig. 1-3, in one or more embodiments, flexible buffer tubes 122 are provided at first and second fixation points 1214, 1215, respectively, that fit over wire harness 121. Flexible buffer tube 122 may be fabricated from a suitable flexible material such as EPDM (i.e., ethylene propylene diene monomer), EVA (i.e., ethylene vinyl acetate), EPE (i.e., expanded polyethylene), EPP (i.e., polypropylene plastic expanded material), PE (i.e., polyethylene), or SBR (i.e., styrene butadiene rubber). The provision of the flexible buffer tube 122 may disperse the stress of the wire harness 121 near the first and second fixing points 1214 and 1215, reduce stress concentration, and prevent the wire harness 121 from breaking at the fixing points (i.e., the first and second fixing points 1214 and 1215).
As shown in fig. 1-3, in one or more embodiments, the wire harness assembly 120 further includes a fastener 124 disposed on the first and second fastening points 1214, 1215, respectively. The type of the fixing member 124 is not limited, and may be a buckle, a stud, or the like. At a first fixed point 1214, the mount 124 is fixed to the knuckle 200. Accordingly, at the second fixing point 1215, the fixing member 124 is fixed to the vehicle body 300. In one or more embodiments, the fasteners 124 may be secured to the knuckle 200 or the body 300 by suitable mounting brackets. In addition, a fixed connection is formed between the fixing member 124 and the wire harness 121, so that the wire harness 121 can be fixed to the knuckle 200 at the first fixing point 1214 and to the vehicle body 300 at the second fixing point 1215, respectively, by the fixing member 124. The fasteners 124 may form a secure connection with the wiring harness 121 via ties 123, snaps, pipe clamps, or other suitable means.
In order to solve or improve the technical problem of poor safety of the electronic parking brake system in the prior art to a certain extent, the utility model also provides a vehicle (not shown in the figure). The vehicle includes an electronic parking brake system 100 as described in any of the embodiments above. The vehicle may be a fuel-powered vehicle, an electric vehicle, or a hybrid vehicle. The vehicle type of the vehicle is not limited, such as a sedan, SUV, MPV, or the like.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. An electronic parking brake system, comprising:
a caliper motor adapted to be fixed to a knuckle;
a controller adapted to be fixed to a vehicle body; and
A wire harness assembly having a wire harness connected to the caliper motor and the controller, respectively, and having a first fixing point on the knuckle and a second fixing point on the vehicle body,
Wherein at least a portion of the wire harness between the first and second fixation points is a helical wire harness.
2. The electronic parking brake system of claim 1, wherein the second anchor point includes a plurality of spaced apart from one another on the vehicle body, and at least a portion of the wire harness between adjacent second anchor points is also the helical wire harness.
3. An electronic parking brake system as claimed in claim 1 or 2, wherein a flexible buffer tube is provided over the harness at each of the first and second fixing points.
4. An electronic parking brake system as claimed in claim 3, wherein the flexible buffer tube is EPDM, EVA, EPP, PE or SBR.
5. The electronic parking brake system of claim 1 or 2, wherein the spiral wire harness is coated with a wear-resistant material, a noise-reducing material, a heat-insulating material, or a signal shielding material.
6. An electronic parking brake system as claimed in claim 1 or 2, wherein a bellows is provided over the helical wire harness.
7. The electronic parking brake system of claim 1 or 2, wherein the wire harness assembly includes fasteners disposed on the first and second fastening points, respectively, and the fasteners are configured to form a fixed connection with the wire harness via a tie-down, a clasp, or a tube clip.
8. The electronic parking brake system of claim 7, wherein the securing member is a stud or a clasp.
9. The electronic parking brake system of claim 1, wherein the wiring harness includes a power cord and a communication cord.
10. A vehicle, characterized in that it comprises an electronic parking brake system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323532791.6U CN221233718U (en) | 2023-12-22 | 2023-12-22 | Electronic parking braking system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323532791.6U CN221233718U (en) | 2023-12-22 | 2023-12-22 | Electronic parking braking system and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221233718U true CN221233718U (en) | 2024-06-28 |
Family
ID=91596328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323532791.6U Active CN221233718U (en) | 2023-12-22 | 2023-12-22 | Electronic parking braking system and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221233718U (en) |
-
2023
- 2023-12-22 CN CN202323532791.6U patent/CN221233718U/en active Active
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