CN117657089A - Pedal displacement sensor assembly structure of electric control brake system - Google Patents
Pedal displacement sensor assembly structure of electric control brake system Download PDFInfo
- Publication number
- CN117657089A CN117657089A CN202410128307.3A CN202410128307A CN117657089A CN 117657089 A CN117657089 A CN 117657089A CN 202410128307 A CN202410128307 A CN 202410128307A CN 117657089 A CN117657089 A CN 117657089A
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- brake system
- controller
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 230000002950 deficient Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008439 repair process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Regulating Braking Force (AREA)
Abstract
The invention discloses an assembly structure of a pedal displacement sensor of an electric control brake system, which comprises the following components: the sensor stator assembly comprises an end cover, a circuit board assembly and a body, wherein the end cover is detachably fixed on one side of the body, and the circuit board assembly is detachably fixed in the body through interference fit; the circuit board assembly comprises a circuit board and an L-shaped terminal, and the L-shaped terminal is fixed on one side end surface of the circuit board through surface patch welding; the circuit board assembly is assembled and positioned through the positioning holes and the ribbed positioning columns. The invention adopts the L-shaped terminal to be welded with the sensor circuit board patch, and the circuit board and the body are assembled and positioned through the inverted buckle of the anti-rotation boss and the clamping groove of the valve block after being assembled and fixed by adopting the buckle structure, so that the invention has simple process, low cost and can be disassembled and repaired; the sensor circuit board assembly is wrapped in by the first body and the second body, the circuit board assembly is effectively protected from being damaged, the defective rate is reduced, and the transportation safety is improved.
Description
Technical Field
The invention relates to the technical field of electric control brake systems, in particular to an assembly structure of a pedal displacement sensor of an electric control brake system.
Background
The electric control braking system, also called as an electronic braking system or an electronic braking system, is a modern automobile braking system technology, and can be integrated with other vehicle control systems (such as an anti-lock system and a traction control system) to realize comprehensive vehicle dynamic stability control. Compared with the traditional hydraulic braking system, the electronic control braking system realizes the accurate control of braking force through electronic elements such as an electronic control unit, a sensor and the like, and provides faster and more accurate braking response and higher safety performance. Integrated pedal displacement sensors are commonly used in electronically controlled brake systems that are capable of accurately measuring pedal position and converting to a brake signal to effect braking. The integrated pedal displacement sensor comprises a sensor chip, a spring, a push rod, a shaft and the like. When the brake pedal is depressed, the push rod moves forward along the shaft and compresses the spring. Meanwhile, the sensor chip deforms accordingly to generate corresponding electric signals. The magnitude of this electrical signal is proportional to the pedal travel and accurately reflects the change in pedal position. The sensor has the advantages of simple structure, small volume, high precision, low cost, higher reaction speed, higher reliability and the like compared with the traditional mechanical pedal sensor.
In the production and assembly process of a pedal displacement sensor commonly used in an electric control brake system at present, the manufacturing process of a sensor end cover needs to be firstly stamped and electroplated, then an insert injection molding process is carried out, the sensor end cover is welded and connected with a circuit board through double-sided patches, the circuit board inside the sensor end cover and a plastic body are fixed through two hot riveting, then the sensor stator assembly is pre-assembled for matching a spring, and the sensor stator assembly anti-rotation support and the valve block positioning are fixed through Kong Mao, so that the whole manufacturing and assembly process is complex, the repair cannot be carried out after the assembly is completed, and the circuit board components and the whole chip are exposed outside and are easy to be damaged through impact in the assembly and transportation processes, so that the manufacturing cost is improved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an assembly structure of a pedal displacement sensor of an electric control brake system.
In order to achieve the above purpose, the present invention adopts the following technical scheme: an electronic control brake system pedal displacement sensor assembly structure, comprising: the valve block is used for adjusting the hydraulic pressure of a brake system and realizing vehicle deceleration;
the sensor stator assembly comprises an end cover, a circuit board assembly and a body, wherein the end cover is detachably fixed on one side of the body, and the circuit board assembly is detachably fixed in the body through interference fit;
the circuit board assembly comprises a circuit board and an L-shaped terminal, the L-shaped terminal is fixed on one side end surface of the circuit board through surface patch welding, and the circuit board assembly is used for transmitting electric signals sent by the sensor;
the body includes first body and second body, be provided with the buckle on the body, first body is provided with the area muscle reference column, corresponding position is provided with the locating hole on the circuit board, the circuit board assembly passes through the locating hole with area muscle reference column assembly location, first body with the second body passes through after the buckle carries out the lock, the end cover passes through the buckle is fixed in body one side, accomplishes sensor stator module's equipment.
As a further description of the above technical solution, the sensor push rod magnet assembly is fixed below the sensor stator assembly through the valve block side mounting hole, and the sensor push rod magnet assembly is used for converting displacement information into an electric signal after monitoring pedal displacement of the brake system and feeding back a brake signal to the controller;
the master cylinder plunger is installed on one side of the sensor push rod magnet assembly, the sensor push rod magnet assembly is fixed in a clamping groove of the master cylinder plunger through a base circular arc clamping ring, and the master cylinder plunger is used for pushing brake fluid to transfer pressure to a brake system.
As a further description of the above technical solution, the present invention further includes a controller mounted above the sensor stator assembly, the controller including a controller upper cover and a controller housing, a controller circuit board being detachably fixed between the controller upper cover and the controller housing, the controller being configured to receive, process and respond to control signals.
As a further description of the above technical solution, the controller circuit board is welded with a spring washer through a surface patch, and the other surface of the spring washer is in contact with the elastic device of the end cover;
the tin-plated surface of the spring gasket is welded with the circuit board, and the silver-plated or gold-plated surface of the spring gasket is contacted with the elastic device.
As a further description of the above technical solution, the upper part of the sensor stator assembly is positioned by the taper hole structure of the controller housing, so as to ensure the position degree of the elastic device;
the lower part of the sensor stator assembly is limited by matching the step surface of the body with the upper plane of the valve block, so that avoidance of other areas is ensured.
As a further description of the above technical solution, the end cover is obtained by injection molding, stamping and assembling, and the elastic device is disposed at two ends of the end cover, and the elastic device is a spring needle or a spring.
As a further description of the above technical solution, the buckle includes a first buckle and a second buckle, where the first buckle is disposed on two sides of the first body, and the second buckle is disposed on a tail portion of one side of the second body.
As a further description of the above technical solution, after the sensor stator assembly is assembled, the sensor stator assembly is axially fixed by the snap-fit with the clamping groove inside the valve block.
As a further description of the above technical solution, the first body is provided with an anti-rotation boss for fixing the installation direction of the sensor stator assembly.
As a further description of the above technical solution, the first body and the second body are provided with a plurality of groups of interference fit protruding points in a ring, the interference fit protruding points comprise a first protruding point and a second protruding point, and the interference fit protruding points are used for eliminating radial fit gaps between the sensor stator assembly and the valve block assembly hole.
The invention has the following beneficial effects:
1. according to the invention, the L-shaped terminal is welded with the sensor circuit board patch, and the circuit board and the body are assembled and fixed by adopting the buckle structure and then are assembled and positioned by the anti-rotation boss back-off and the clamping groove of the valve block, so that the equipment investment is less, the process is simple, the cost is lower, and the quick disassembly and repair can be realized;
2. according to the invention, the terminal and the elastic device are integrated in the end cover assembly, and the sensor stator assembly is not required to be installed in the controller to rivet and compress the matched spring, so that the process steps are reduced, and the production efficiency is effectively improved;
3. according to the invention, the sensor circuit board assembly is wrapped in the first body and the second body, so that the circuit board is effectively protected from being damaged in the assembly and transportation processes, the defective rate is reduced, and the transportation safety is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art end cap assembly manufacturing process;
fig. 2 is a schematic structural diagram of a prior art product with an end cap and a circuit board welded by double-sided patch;
FIG. 3 is a schematic diagram of a structure of a circuit board and a plastic body of a conventional product, which are fixed by two hot rivets;
FIG. 4 is a schematic diagram of an assembly process of a prior art sensor stator assembly;
FIG. 5 is a schematic structural view of a prior art product sensor stator assembly;
FIG. 6 is a schematic diagram of a prior art sensor stator assembly with a spring preloaded into a controller housing;
FIG. 7 is an enlarged schematic view of FIG. 5;
FIG. 8 is a schematic diagram of an assembled prior art sensor stator assembly;
FIG. 9 is a schematic illustration of the assembled valve block, sensor stator assembly, sensor push rod magnet assembly and master cylinder plunger of the present invention;
FIG. 10 is a schematic cross-sectional view of the assembled valve block, sensor stator assembly, sensor pushrod magnet assembly, master cylinder plunger and controller of the present invention
FIG. 11 is an enlarged schematic view of the sensor stator assembly of FIG. 10 back-off mounted to a valve block;
FIG. 12 is a schematic diagram of a controller circuit board spring pad patch;
FIG. 13 is a schematic view of the sensor stator assembly of FIG. 10;
FIG. 14 is an exploded schematic view of the sensor stator assembly of FIG. 10;
FIG. 15 is a schematic cross-sectional view of the sensor stator assembly of FIG. 10;
FIG. 16 is a schematic view of the end cap of FIG. 10;
FIG. 17 is a schematic diagram of the circuit board assembly of FIG. 10;
FIG. 18 is a schematic view of the body of FIG. 10;
FIG. 19 is a schematic view of the circuit board assembly and body of FIG. 10 in an interference fit;
FIG. 20 is a schematic view of the first body and the second body of FIG. 10 assembled;
fig. 21 is a schematic view of the end cap and body assembly of fig. 10.
Legend description:
1. a valve block; 11. a clamping groove; 2. a sensor stator assembly; 21. an end cap; 211. an elastic device; 22. a circuit board assembly; 221. a circuit board; 222. an L-shaped terminal; 23. a body; 231. a first body; 232. a second body; 24. a buckle; 241. a first buckle; 242. a second buckle; 25. a ribbed positioning column; 26. positioning holes; 27. anti-rotation boss; 28. interference fit bumps; 281. a first bump; 282. a second bump; 3. a sensor push rod magnet assembly; 4. a master cylinder plunger; 5. a controller; 51. a controller upper cover; 52. a controller housing; 53. a controller circuit board; 531. a spring washer.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, the pedal displacement sensor structure commonly used in the current electric control brake system is assembled by the following steps: the coil stock is subjected to stamping and electroplating to form a terminal, then an end cover assembly (figure 1) is formed through insert injection molding, then the coil stock is welded and connected with a circuit board through a double-sided patch (figure 2), and then the circuit board and the plastic body are fixed through double hot riveting (figure 3). The sensor stator assembly anti-rotation bracket is fixed with the valve block positioning hole in a riveting mode (shown in fig. 4 and 5), and the sensor stator assembly matching spring is required to be preassembled on the controller shell (shown in fig. 5, 6 and 7), so that the whole assembly process is complex; and secondly, the whole assembly can not be disassembled for repair after the assembly is completed, and the circuit board components and the whole chip are exposed outside (figure 8), so that the assembly and the transportation are easy to be damaged by impact, and the manufacturing cost is further increased.
Referring to fig. 1-21, an embodiment of an electronic control brake system pedal displacement sensor assembly structure provided by the present invention specifically includes: the valve block 1 plays a role in adjusting the hydraulic pressure of the brake system. The sensor stator assembly 2 is installed on the upper end face of the valve block 1 in a reverse buckling mode, and a corresponding electric signal is generated through sensing the rotor magnetic field change of the brake system and then transmitted to the controller 5, so that the controller 5 can adjust the working state of the brake system according to information such as the speed and the position of a vehicle.
With continued reference to fig. 9-11, in this embodiment, a sensor push rod magnet assembly 3 and a master cylinder plunger 4 are mounted on one side of the valve block 1; the sensor push rod magnet assembly 3 is mounted on one side of the valve block 1 and is fixed below the sensor stator assembly 2 through a mounting hole on the side surface of the valve block 1. The sensor push rod magnet assembly 3 is used for monitoring the displacement of the brake pedal, converting the displacement information into an electric signal and feeding the electric signal back to the controller 5 so as to provide an accurate brake signal.
With continued reference to fig. 9-11, in this embodiment, a master cylinder plunger 4 is mounted on one side of the sensor push rod magnet assembly 3 for pushing brake fluid to transmit pressure to the brake system. After the sensor push rod magnet assembly 3 is installed in the side mounting hole of the valve block 1, the plastic base circular arc snap ring of the push rod magnet assembly is clamped in the clamping groove 11 of the master cylinder plunger 4.
With continued reference to fig. 9-12, in this embodiment, the controller 5 is mounted above the sensor stator assembly 2, the controller 5 includes a controller upper cover 51 and a controller housing 52, a controller circuit board 53 is detachably secured between the controller upper cover 51 and the controller housing 52, and the controller 5 is configured to receive, process and respond to control signals. It should be noted in detail that the circuit board 221 of the controller 5 is welded with a spring pad 531 through a surface patch, and the other surface of the spring pad 531 is in contact with the elastic device 211 of the end cover 21; wherein the tin-plated surface of the spring pad 531 is soldered to the circuit board 221, and the silver-plated or gold-plated surface of the spring pad 531 is in contact with the elastic means 211.
Referring to fig. 13-21, the sensor stator assembly 2 includes an end cap 21, a circuit board assembly 22 and a body 23, wherein the end cap 21 is detachably fixed to one side of the body 23, and the circuit board assembly 22 is detachably fixed to the inside of the body 23 through an interference fit.
With continued reference to fig. 13-16, the end cap 21 is obtained by injection molding, stamping and assembling, and elastic devices 211 are disposed at two ends of the end cap 21, wherein the elastic devices 211 are elastic needles or springs.
With continued reference to fig. 13-18, the circuit board assembly 22 includes a circuit board 221 and an L-shaped terminal 222, the L-shaped terminal 222 being fixed to one side end surface of the circuit board 221 by surface-mount soldering for transmitting the sensor electrical signals to the controller 5. It should be noted in detail that, by increasing the welding area of the sensor circuit board 221 and the welding area of the L-shaped terminal 222, the adhesion force of the L-shaped terminal 222 after welding can be effectively improved.
With continued reference to fig. 13-18, the body 23 is composed of a first body 231 and a second body 232, the first body 231 is provided with a ribbed positioning post 25, and the corresponding position of the circuit board 221 is provided with a positioning hole 26, so that the correct position and stability of the circuit board assembly 22 during assembly are ensured by the cooperation of the ribbed positioning post 25 and the positioning hole 26. It should be noted in detail that, the body 23 is provided with a buckle 24, the buckle 24 includes a first buckle 241 and a second buckle 242, the first buckle 241 is disposed on two sides of the first body 231, and the second buckle 242 is disposed on a tail portion of one side of the second body 232. After the first body 231 and the second body 232 are buckled through the first buckle 241, the end cover 21 can be fixed on one side of the body 23 through the second buckle 242, so that the assembly of the sensor stator assembly 2 is completed rapidly, the assembly process can be simplified effectively, and the production efficiency is improved.
With continued reference to fig. 18-21, the first body 231 is further provided with an anti-rotation boss 27 for fixing the mounting direction of the sensor stator assembly 2 and preventing it from rotating. The first body 231 and the second body 232 are provided with a plurality of groups of interference fit protruding points 28 in a surrounding manner, the interference fit protruding points 28 comprise a first protruding point 281 and a second protruding point 282, and the annular parts of the first body 231 and the second body 232 are provided with the plurality of groups of interference fit protruding points 28, comprising the first protruding point 281 and the second protruding point 282. By arranging these interference fit bumps 28 on the first and second bodies 23, the radial fit gap between the sensor stator assembly 2 and the mounting hole on the valve block 1 can be effectively eliminated.
With continued reference to fig. 9-11, when the sensor stator assembly 2 is assembled, the upper part of the sensor stator assembly is positioned by a taper hole structure on the casing of the controller 5 to ensure the position degree of the contact spring needle or spring; the lower part of the valve block is limited by matching the step surface on the body 23 with the upper plane of the valve block 1, so that other areas are ensured not to be contacted, and interference is caused.
Through the above technical scheme, the circuit board assembly 22 is fixed by the interference fit of the ribbed positioning column 25 on the first body 231, the first body 231 and the second body 232 fixed with the circuit board assembly 22 are assembled and positioned by the positioning column and the positioning hole 26, then the fastening is completed by the self-contained fastening 24 structure, and the plurality of groups of interference fit protruding points 28 can compress the L-shaped terminal 222 on the sensor circuit board 221, so that the radial fit clearance between the L-shaped terminal 222 and the body 23 after assembly is eliminated; after the sensor stator assembly 2 is assembled, the installation direction of the sensor is fixed through an anti-rotation boss 27 arranged on the body 23, and the sensor stator assembly 2 is axially fixed after a buckle 24 on the body 23 assembly is matched with a clamping groove 11 in the valve block 1.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. An electronic control braking system pedal displacement sensor assembly structure, characterized by comprising: the brake system comprises a valve block (1), wherein a sensor stator assembly (2) is installed on the upper end face of the valve block (1) in a back-off manner, a sensor push rod magnet assembly (3) and a master cylinder plunger (4) are installed on one side of the valve block (1), and the valve block (1) is used for adjusting the hydraulic pressure of a brake system to realize vehicle deceleration;
the sensor stator assembly (2) comprises an end cover (21), a circuit board assembly (22) and a body (23), wherein the end cover (21) is detachably fixed on one side of the body (23), and the circuit board assembly (22) is detachably fixed in the body (23) through interference fit;
the circuit board assembly (22) comprises a circuit board (221) and an L-shaped terminal (222), wherein the L-shaped terminal (222) is fixed on one side end surface of the circuit board (221) through surface patch welding, and the circuit board assembly (22) is used for transmitting electric signals sent by a sensor;
the body (23) comprises a first body (231) and a second body (232), a buckle (24) is arranged on the body (23), a ribbed positioning column (25) is arranged on the first body (231), a positioning hole (26) is arranged at a corresponding position on the circuit board (221), the circuit board assembly (22) is assembled and positioned through the positioning hole (26) and the ribbed positioning column (25), and after the first body (231) and the second body (232) are buckled through the buckle (24), the end cover (21) is fixed on one side of the body (23) through the buckle (24), so that the assembly of the sensor stator assembly (2) is completed.
2. The pedal displacement sensor assembly structure of the electric control brake system according to claim 1, wherein the sensor push rod magnet assembly (3) is fixed below the sensor stator assembly (2) through the valve block (1) side mounting hole, and the sensor push rod magnet assembly (3) is used for converting displacement information into an electric signal after monitoring pedal displacement of the brake system and feeding back a brake signal to the controller (5);
the brake system is characterized in that a master cylinder plunger (4) is mounted on one side of the sensor push rod magnet assembly (3), the sensor push rod magnet assembly (3) is fixed in a clamping groove (11) of the master cylinder plunger (4) through a base circular arc clamping ring, and the master cylinder plunger (4) is used for pushing brake fluid to transfer pressure to the brake system.
3. The pedal displacement sensor assembly structure of an electric control brake system according to claim 1, further comprising a controller (5), wherein the controller (5) is mounted above the sensor stator assembly (2), the controller (5) comprises a controller upper cover (51) and a controller housing (52), a controller circuit board (53) is detachably fixed between the controller upper cover (51) and the controller housing (52), and the controller (5) is used for receiving, processing and responding to control signals.
4. A pedal displacement sensor assembly structure for an electric control brake system according to claim 3, wherein the controller circuit board (53) is welded with a spring washer (531) through a surface patch, and the other surface of the spring washer (531) is in contact with the elastic means (211) of the end cover (21);
the tin-plated surface of the spring pad (531) is soldered to the circuit board (221), and the silver-plated or gold-plated surface of the spring pad (531) is in contact with the elastic means (211).
5. The pedal displacement sensor assembly structure of the electric control brake system according to claim 4, wherein the upper part of the sensor stator assembly (2) is positioned through a taper hole structure of the controller (5) shell, so as to ensure the position degree of the elastic device (211);
the lower part of the sensor stator assembly (2) is limited by matching the step surface of the body (23) with the upper plane of the valve block (1), so that avoidance of other areas is ensured.
6. The pedal displacement sensor assembly structure of the electric control brake system according to claim 4, wherein the end cover (21) is obtained by injection molding, stamping and assembly, the elastic devices (211) are arranged at two ends of the end cover (21), and the elastic devices (211) are elastic needles or springs.
7. The pedal displacement sensor assembly structure of an electric control brake system according to claim 1, wherein the buckle (24) comprises a first buckle (241) and a second buckle (242), the first buckle (241) is disposed on two sides of the first body (231), and the second buckle (242) is disposed on one side tail of the second body (232).
8. The pedal displacement sensor assembly structure of the electric control brake system according to claim 1, wherein after the sensor stator assembly (2) is assembled, the sensor stator assembly (2) is axially fixed by matching the clamping buckle (24) with the clamping groove (11) inside the valve block (1).
9. An electronic control brake system pedal displacement sensor assembly structure according to claim 1, characterized in that the first body (231) is provided with an anti-rotation boss (27), the anti-rotation boss (27) being used for fixing the mounting direction of the sensor stator assembly (2).
10. The pedal displacement sensor assembly structure of the electric control brake system according to claim 1, wherein the first body (231) and the second body (232) are provided with a plurality of groups of interference fit protruding points (28) in a surrounding mode, the interference fit protruding points (28) comprise a first protruding point (281) and a second protruding point (282), and the interference fit protruding points (28) are used for eliminating radial fit gaps between the sensor stator assembly (2) and the assembly holes of the valve block (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128307.3A CN117657089B (en) | 2024-01-30 | 2024-01-30 | Pedal displacement sensor assembly structure of electric control brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410128307.3A CN117657089B (en) | 2024-01-30 | 2024-01-30 | Pedal displacement sensor assembly structure of electric control brake system |
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| Publication Number | Publication Date |
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| CN117657089A true CN117657089A (en) | 2024-03-08 |
| CN117657089B CN117657089B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410128307.3A Active CN117657089B (en) | 2024-01-30 | 2024-01-30 | Pedal displacement sensor assembly structure of electric control brake system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428608A (en) * | 2007-11-06 | 2009-05-13 | 威伯科有限公司 | Solenoid-valve unit for an electropneumatic controller, especially a pilot-control unit of an electropneumatic pressure modulator of a vehicle |
| CN207972625U (en) * | 2018-02-28 | 2018-10-16 | 上海新跃联汇电子科技有限公司 | A kind of displacement sensor of brake assist system |
| CN210416540U (en) * | 2019-07-31 | 2020-04-28 | 上海拓为汽车技术有限公司 | Motor angle sensor and system of intelligence brake |
| CN210416543U (en) * | 2019-07-31 | 2020-04-28 | 上海拓为汽车技术有限公司 | Pedal travel displacement sensor of intelligent braking system |
| CN114435319A (en) * | 2022-02-22 | 2022-05-06 | 上海格陆博实业有限公司 | Novel detect footboard position device |
| CN116811828A (en) * | 2023-07-19 | 2023-09-29 | 联创汽车电子有限公司 | Displacement sensor structure |
| CN117175863A (en) * | 2023-11-03 | 2023-12-05 | 千顾汽车科技(江苏)有限公司 | Motor angle sensor assembly structure |
-
2024
- 2024-01-30 CN CN202410128307.3A patent/CN117657089B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101428608A (en) * | 2007-11-06 | 2009-05-13 | 威伯科有限公司 | Solenoid-valve unit for an electropneumatic controller, especially a pilot-control unit of an electropneumatic pressure modulator of a vehicle |
| CN207972625U (en) * | 2018-02-28 | 2018-10-16 | 上海新跃联汇电子科技有限公司 | A kind of displacement sensor of brake assist system |
| CN210416540U (en) * | 2019-07-31 | 2020-04-28 | 上海拓为汽车技术有限公司 | Motor angle sensor and system of intelligence brake |
| CN210416543U (en) * | 2019-07-31 | 2020-04-28 | 上海拓为汽车技术有限公司 | Pedal travel displacement sensor of intelligent braking system |
| CN114435319A (en) * | 2022-02-22 | 2022-05-06 | 上海格陆博实业有限公司 | Novel detect footboard position device |
| CN116811828A (en) * | 2023-07-19 | 2023-09-29 | 联创汽车电子有限公司 | Displacement sensor structure |
| CN117175863A (en) * | 2023-11-03 | 2023-12-05 | 千顾汽车科技(江苏)有限公司 | Motor angle sensor assembly structure |
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| Publication number | Publication date |
|---|---|
| CN117657089B (en) | 2024-05-03 |
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