CN220854190U - Bridge control module detection table of EBS system - Google Patents
Bridge control module detection table of EBS system Download PDFInfo
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- CN220854190U CN220854190U CN202322655679.5U CN202322655679U CN220854190U CN 220854190 U CN220854190 U CN 220854190U CN 202322655679 U CN202322655679 U CN 202322655679U CN 220854190 U CN220854190 U CN 220854190U
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004088 simulation Methods 0.000 claims abstract description 14
- 238000007689 inspection Methods 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
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- 238000011895 specific detection Methods 0.000 description 1
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Abstract
The utility model discloses a bridge control module detection table of an EBS system, and belongs to the field of vehicle brake table detection. The utility model comprises a detection rack, a wheel simulation mechanism, an air source, an upper computer and an ECU control unit. One side of the detection bench is provided with a first clamping mechanism, and the other side of the braking bench is provided with a second clamping mechanism; the wheel simulation mechanism is provided with a wheel speed sensor, and the front axle module and the rear axle module are connected with the wheel speed sensor; the air source is connected with the front axle module through a first air path, and the front axle module is provided with a first pressure sensor; the air source is connected with the rear axle module through a second air path, and the rear axle module is provided with a second pressure sensor; the upper computer is connected with the control ends of the first clamping mechanism and the second clamping mechanism; the ECU control unit is connected with the front axle module and the rear axle module. And by simulating the acceleration and braking actions of the wheels, a braking air pressure signal, a wheel speed and a built-in pressure sensor signal curve are generated, and a comparison result is automatically carried out.
Description
Technical Field
The utility model relates to the field of vehicle brake bench detection, in particular to an EBS bridge control module detection bench.
Background
The electronically controlled brake system (elecronical ly control led brake system, ebs) is a brake system, which is a vehicle brake system developed on the basis of ABS, and the brake system is controlled by using electronic control instead of traditional mechanical transmission, so as to achieve good braking effect and increase the braking safety of the automobile.
With the development of the automobile industry, the EBS system is increasingly used. In the development process of the EBS system, the verification of the performance of the EBS system is an indispensable part in the whole development process, the bridge control module belongs to a key component in the EBS system, and the performance of the bridge control module determines the performance of the EBS system, so the detection of the bridge control module is particularly important.
In the detection scheme of the bridge control module in the prior art, the valve body performance part and the control circuit need to be detected respectively, the electric response and other performances of the bridge control module cannot be detected, the bridge control module can only be assembled on a vehicle for verification, the whole vehicle is tested, and the input cost and period are very large. The performance verification devices of many spare part manufacturers can only verify the performance of a product in an EBS system independently, but cannot verify the whole EBS braking system.
Disclosure of utility model
In order to solve the technical problems, the utility model aims to provide an EBS system bridge control module detection table.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The bridge control module detection platform of the EBS system comprises a detection bench, a wheel simulation mechanism, an air source, a first air path, a second air path, an upper computer and an ECU control unit;
One side of the detection bench is provided with a first clamping mechanism for clamping the front axle module, and the other side of the braking bench is provided with a second clamping mechanism for clamping the rear axle module;
The wheel simulation mechanism is arranged on the detection rack and is provided with a plurality of wheel speed sensors, and the front axle module and the rear axle module are respectively connected with the wheel speed sensors through signal cables;
The air source is connected with an air inlet of the front axle module through a first air path, and an air outlet of the front axle module is provided with a first pressure sensor;
The air source is connected with an air inlet of the rear axle module through a second air path, and an air outlet of the rear axle module is provided with a second pressure sensor;
The upper computer is respectively connected with the first clamping mechanism, the second clamping mechanism and the control end of the ECU control unit through signal cables;
The ECU control unit is respectively connected with the front axle module and the rear axle module through signal cables.
Preferably, the wheel simulation mechanism comprises a motor mounting seat, a first motor and a gear;
The motor mount pad sets up in detecting the rack, and first motor sets up in the motor mount pad, and the output of first motor is connected the gear, and wheel speed sensor sets up in one side of gear, wheel speed sensor monitoring gear, and the control end of first motor is connected through signal cable to the host computer.
Preferably, the front axle module and the rear axle module are externally connected with a brake pedal, and the brake pedal is connected with the ECU control unit through a signal cable;
the air source is connected with the brake pedal through a third air passage.
Preferably, the first air passage is provided with a first precise pressure reducing valve and a two-position two-way electromagnetic valve.
Preferably, the second air path is provided with a second precise pressure reducing valve;
The first air passage and the second air passage are connected with an air source through two-position two-way electromagnetic valves.
Preferably, the detection rack is provided with a first linear slide rail and a second linear slide rail, a sliding block of the first linear slide rail is provided with a front axle module mounting seat, and a sliding block of the second linear slide rail is provided with a rear axle module mounting seat;
the upper computer is connected with the control ends of the first linear slide rail and the second linear slide rail respectively through signal cables.
Preferably, the air source adopts an air storage tank.
Preferably, the bottom of detecting the rack is provided with a plurality of gyro wheel, and the mount pad of gyro wheel is provided with the supporting legs.
Compared with the prior art, the utility model has the following beneficial effects:
1. The bridge control module detection platform of the EBS system can detect the front axle module and the rear axle module simultaneously or respectively.
2. The first air passage and the second air passage are controlled by using the precise pressure reducing valve, so that the input air pressure is accurately controlled, and the stability of the test air pressure is ensured.
3. The outside of the air outlets of the front axle module and the outer axle module are provided with pressure sensors, the outside pressure sensors monitor and output braking air pressure, and the braking air pressure is compared with the air pressure collected by the pressure sensors arranged in the front axle module and the outer axle module, so that calibration is performed.
4. The motor drives the gear to rotate, the gear ring of the vehicle is simulated to rotate, the gear is detected by the wheel speed sensor, an automobile speed simulation signal is generated, and the acceleration or deceleration of the motor is controlled to simulate the acceleration and braking actions of the vehicle. The wheel speed sensor and the pressure sensor transmit data to the upper computer, and the upper computer generates an external braking air pressure signal, a wheel speed and a built-in pressure sensor signal curve, automatically compares the signals and outputs a comparison result.
5. The working gas paths of the front axle module and the rear axle module are controlled by two-position two-way electromagnetic valves, so that independent detection of two products can be realized.
6. The brake pedal generates a brake signal through external control, the brake pedal brake signal is sent to the ECU control unit, and the ECU control unit sends an electric control instruction to the front axle module and the rear axle module, and the front axle module and the rear axle module generate brake air pressure simulation braking.
Drawings
FIG. 1 is a front view of an EBS system bridge control module inspection station according to an embodiment of the present utility model;
FIG. 2 is a perspective view of a bridge control module detection table of an EBS system according to an embodiment of the utility model;
FIG. 3 is a partial cross-sectional view at A in FIG. 1;
FIG. 4 is a side view of an EBS system bridge control module inspection station according to an embodiment of the present utility model;
FIG. 5 is a second perspective view of a bridge control module detection station of an EBS system according to the embodiment of the utility model;
fig. 6 is a partial cross-sectional view at B in fig. 5.
The device comprises a 1-detection rack, a 2-first clamping mechanism, a 3-second clamping mechanism, a 4-wheel simulation mechanism, a 5-air source, a 6-upper computer, a 7-first linear slide rail, an 8-second linear slide rail, a 9-roller and 10-supporting feet;
401-motor mount pad, 402-first motor, 403-gear, 404-wheel speed sensor, 4041-front axle module wheel speed sensor, 4042-rear axle module wheel speed sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Referring to fig. 1 to 6, the present embodiment provides an EBS system bridge control module detection platform, which includes a detection platform 1, a wheel simulation mechanism 4, an air source 5, a first air path, a second air path, an upper computer 6 and an ECU control unit.
One side of the detection bench 1 is provided with a first clamping mechanism 2 for clamping the front axle module, and the other side of the detection bench 1 is provided with a second clamping mechanism 3 for clamping the rear axle module. The upper computer 6 is respectively connected with the first clamping mechanism 2, the second clamping mechanism 3 and the control end of the ECU control unit through signal cables.
In this embodiment, the first clamping mechanism 2 adopts two groups of first pneumatic clamping jaws, and the telescopic ends of the two groups of first pneumatic clamping jaws are arranged oppositely, so that the front axle module can be clamped from two sides. The cylinders of the two groups of first pneumatic clamping jaws are connected with an air source 5 through a fourth air passage.
In this embodiment, a first linear slide rail 7 is disposed on one side of the detection rack 1, the first linear slide rail 7 can reciprocate along the width direction of the detection rack 1, and a slider of the first linear slide rail 7 carries a front axle module mounting seat. The front axle module is placed on a front axle module mounting seat of a first linear sliding rail 7, and is transported to two groups of first pneumatic clamping jaws through the first linear sliding rail 7, and the front axle module is clamped and fixed by the pneumatic clamping jaws.
The second clamping mechanism 3 adopts a second pneumatic clamping jaw which is arranged on the detection bench 1 along the vertical direction, and the second pneumatic clamping jaw can grasp and move the front axle module along the vertical direction. The cylinder of the second pneumatic clamping jaw is connected with an air source 5 through a fifth air path.
In this embodiment, a second linear slide rail 8 is disposed on the other side of the detection rack 1, the second linear slide rail 8 can reciprocate along the width direction of the detection rack 1, and a slider of the second linear slide rail 8 is mounted on a rear axle module mounting seat. And the rear axle module is placed on a rear axle module mounting seat of the second linear slide rail 8, and is transported to a second pneumatic clamping jaw through the second linear slide rail 8, and the rear axle module is clamped and fixed by the pneumatic clamping jaw.
The wheel simulation mechanism 4 is arranged on the detection rack 1, the wheel simulator is provided with a plurality of wheel speed sensors 404, and the wheel speed sensors 404 are respectively connected with the front axle module and the rear axle module through signal cables.
In this embodiment, the wheel simulation mechanism 4 includes a motor mount 401, a first motor 402, and a gear 403, and the gear 403 serves as a ring gear for simulating rotation of a wheel.
The motor mount 401 is fixedly connected to the detection bench 1, the output end of the first motor 402 is vertically arranged and connected with the gear 403, and the first motor 402 can drive the gear 403 to rotate in the horizontal direction (simulate the gear ring motion of a vehicle). A plurality of wheel speed sensors 404 are arranged around the gear 403, and the wheel speed sensors 404 monitor the rotational speed of the gear 403. In this embodiment, four wheel speed sensors 404 are taken as an example, where a front axle module is connected to two front axle module wheel speed sensors 4041, and a rear axle module is connected to two other rear axle module wheel speed sensors 4042.
The air source 5 is connected with an air inlet of the front axle module through a first air path, and an air outlet of the front axle module is provided with a first pressure sensor. The first air passage is provided with a first precise pressure reducing valve and a two-position two-way electromagnetic valve, and the on-off of air is controlled through the first precise pressure reducing valve.
The air source 5 is connected with an air inlet of the rear axle module through a second air path, and an air outlet of the rear axle module is provided with a second pressure sensor. The second air path is provided with a second precise pressure reducing valve and a two-position two-way electromagnetic valve, and the on-off of the air is controlled through the first precise pressure reducing valve.
In the embodiment, the first air passage and the second air passage are connected with an air source through two-position two-way electromagnetic valves, and independent detection of the front axle module and the rear axle module is realized through the two-position two-way electromagnetic valves.
In this embodiment, the air source 5 is an air tank, and air is supplied through the air tank, and the specification of the air tank is 40L.
In the embodiment, the front axle module and the rear axle module are externally connected with a brake pedal, the brake pedal is connected with an air source 5 through a third air channel, the brake pedal is connected with a control end of the front axle module, a control end of the rear axle module and an ECU (electronic control Unit) respectively through signal cables, and when the brake pedal brakes, the ECU control unit sends electric signals to the front axle module and the rear axle module so as to realize electric response.
In this embodiment, the bottom of the inspection rack 1 is provided with a plurality of rollers 9, the rollers 9 are disposed at four top corners of the inspection rack 1, and the inspection rack 1 can be moved by the rollers 9. The supporting feet 10 are arranged on the mounting seat side of the roller 9, and the supporting feet 10 can extend to the ground for supporting.
The specific detection process of the bridge control module detection platform of the EBS system is as follows:
The operator places the front axle module in front axle module mount pad, and first linear slide rail 7 moves to two sets of first pneumatic clamping jaw departments through front axle module mount pad, and two sets of first pneumatic clamping jaw clamp front axle module. Simultaneously, the operator places the rear axle module in rear axle module mount pad, and second linear slide rail 8 moves to second pneumatic clamping jaw department through rear axle module mount pad, and the rear axle module is pressed from both sides tightly to the second pneumatic clamping jaw.
The air inlet of the front axle module is connected with the air storage tank through a first air path, a first pressure sensor at the air outlet of the front axle module is started, and the front axle module is connected with the front axle module wheel speed sensor 404 through a signal cable; the air inlet of the rear axle module is connected with the air storage tank through a second air path, a second pressure sensor at the air outlet of the rear axle module is started, and the rear axle module is connected with the rear axle module wheel speed sensor 404 through a signal cable.
The first motor 402 is started by the upper computer 6, and the first motor 402 drives the gear 403 to accelerate rotation (simulate the rotation of the ring gear of the vehicle). When the gear 403 rotates for a period of time, the upper computer 6 controls the gear 403 to decelerate (simulate vehicle braking), the brake pedal brakes, the wheel speed sensor 404 keeps monitoring the wheel speed of the gear 403, the signal of the brake pedal is transmitted to the ECU control unit, and the ECU control unit sends an electric control command to the front axle module and the rear axle module (in this embodiment, the EBS bridge control module detecting table can detect the front axle module and the rear axle module simultaneously, or the two-position two-way electromagnetic valve can change the working gas path, so that the EBS bridge control module detecting table detects the front axle module or the rear axle module separately), and generates braking air pressure, and the first pressure sensor and the second pressure sensor continuously monitor the braking air pressure.
Meanwhile, after the wheel speed of the gear 403 is reduced for a period of time, the upper computer 6 controls the first motor 402 to drive the gear 403 to accelerate, so that the performances of the front axle module and the rear axle module in different states are simulated.
The steps are repeated for a plurality of times, the first pressure sensor, the second pressure sensor and the wheel speed sensor 404 transmit data to the upper computer, and the upper computer generates external braking air pressure signals and wheel speed and internal pressure sensor signal curves of the front axle module and the rear axle module, automatically compares the external braking air pressure signals and the wheel speed with the internal pressure sensor signal curves of the front axle module and the rear axle module, and outputs comparison results.
The present embodiment has been described in detail with reference to the accompanying drawings. From the above description, a person skilled in the art should clearly know an EBS system bridge control module detection table according to the present utility model.
Of course, the above-mentioned embodiments are only preferred embodiments of the present utility model, and not limiting the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model and should be protected by the present utility model.
Claims (8)
1. The bridge control module detection platform of the EBS system is characterized by comprising a detection bench, a wheel simulation mechanism, an air source, a first air path, a second air path, an upper computer and an ECU control unit;
One side of the detection bench is provided with a first clamping mechanism for clamping the front axle module, and the other side of the braking bench is provided with a second clamping mechanism for clamping the rear axle module;
The wheel simulation mechanism is arranged on the detection rack and is provided with a plurality of wheel speed sensors, and the front axle module and the rear axle module are respectively connected with the wheel speed sensors through signal cables;
The air source is connected with an air inlet of the front axle module through a first air path, and an air outlet of the front axle module is provided with a first pressure sensor;
The air source is connected with an air inlet of the rear axle module through a second air path, and an air outlet of the rear axle module is provided with a second pressure sensor;
The upper computer is respectively connected with the first clamping mechanism, the second clamping mechanism and the control end of the ECU control unit through signal cables;
The ECU control unit is respectively connected with the front axle module and the rear axle module through signal cables.
2. The EBS system bridge control module inspection station of claim 1, wherein said wheel simulation mechanism includes a motor mount, a first motor, and a gear;
The motor mounting seat is arranged on the detection bench, the first motor is arranged on the motor mounting seat, the output end of the first motor is connected with the gear, the wheel speed sensor is arranged on one side of the gear, and the upper computer is connected with the control end of the first motor through the signal cable.
3. The EBS system bridge control module detection stand of claim 2, wherein both the front axle module and the rear axle module are externally connected with a brake pedal, and the brake pedal is connected with the ECU control unit through a signal cable;
The air source is connected with the brake pedal through a third air path.
4. The bridge control module detection table of claim 3, wherein the first air path is provided with a first precision pressure reducing valve and a two-position two-way solenoid valve.
5. The EBS system bridge control module inspection station of claim 4, wherein the second air path is provided with a second precision pressure relief valve;
the first air passage and the second air passage are connected with an air source through two-position two-way electromagnetic valves.
6. The EBS system bridge control module detection table of claim 1, wherein the detection table is provided with a first linear slide and a second linear slide, a slider of the first linear slide is provided with a front axle module mount, and a slider of the second linear slide is provided with a rear axle module mount;
the upper computer is connected with the control ends of the first linear slide rail and the second linear slide rail respectively through signal cables.
7. The EBS system bridge control module inspection station of claim 1, wherein said air supply employs an air reservoir.
8. The bridge control module detection table of claim 1, wherein a plurality of rollers are arranged at the bottom of the detection table, and support legs are arranged on the mounting seats of the rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655679.5U CN220854190U (en) | 2023-09-28 | 2023-09-28 | Bridge control module detection table of EBS system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322655679.5U CN220854190U (en) | 2023-09-28 | 2023-09-28 | Bridge control module detection table of EBS system |
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| Publication Number | Publication Date |
|---|---|
| CN220854190U true CN220854190U (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322655679.5U Active CN220854190U (en) | 2023-09-28 | 2023-09-28 | Bridge control module detection table of EBS system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220854190U (en) |
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2023
- 2023-09-28 CN CN202322655679.5U patent/CN220854190U/en active Active
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