ABS automatic testing device
Through the ABS automatic testing device, ABS system testing is automatically performed using controllers and sampling control equipment, solving the problems of low testing efficiency and high cost in the existing technology, and achieving efficient and accurate ABS system testing and fault diagnosis.
Patent Information
- Application Number
- CN202323639414.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The existing ABS system functional testing methods require a testing environment, resulting in low testing efficiency and high time cost.
An ABS automatic testing device is designed, including a controller and sampling control device. Through the test data output port and input port, combined with the ABS system switch control module, brake control module and IGN control module, automatic testing is realized without the need to build a test environment. Able to perform system switch control tests, brake control tests and IGN control tests.
It improves the testing efficiency of the ABS system, reduces the testing time cost, and obtains more accurate test results through refined wheel speed control and current sampling modules, simplifies the fault diagnosis process.
Smart Images
Figure CN222354309U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of vehicle testing, and in particular to an ABS automatic testing device. Background Art
[0002] The Anti-lock Brake System (ABS) uses the brake pipe pressure acting on the tire brake cylinder to prevent the tires from locking during emergency braking, so that the vehicle can still maintain good directional stability during emergency stops.
[0003] The existing method for functional testing of ABS system requires to build a corresponding test environment according to the modules to be tested before testing, which has low test efficiency and increases the time cost of testing. Utility Model Content
[0004] Based on the above content, in order to solve at least part of the above problems, the present application provides an ABS automatic test device, which includes: a controller and a sampling control device; the sampling control device includes: a test data output port, a test data input port, and at least one of an ABS system switch control module, a brake control module and an IGN control module;
[0005] The controller is electrically connected to the sampling control device;
[0006] The controller is configured to send a test control signal to the sampling control device;
[0007] The sampling control device is configured to send a port test signal to the ABS system to be tested through the test data output port based on the test control signal and the ABS system switch control module, the brake control module or the IGN control module; and receive system test data returned by the ABS system to be tested through the test data input port, and send the system test data to the controller.
[0008] In the above implementation, the ABS automatic test device includes: a controller and a sampling control device; and the sampling control device includes: a test data output port, a test data input port, and at least one of an ABS system switch control module, a brake control module and an IGN control module; based on the ABS automatic test device, the system switch control test, brake control test or IGN control test of the ABS system to be tested can be implemented without setting up a corresponding test environment, which can improve the test efficiency of the ABS system and thereby reduce the time cost of the ABS system test.
[0009] Alternatively, in a possible implementation, the sampling control device includes: the test data output port, the test data input port, the ABS system switch control module, the brake control module and the IGN control module.
[0010] In the above implementation, since the sampling control device includes: the ABS system switch control module, the brake control module and the IGN control module; accordingly, based on the ABS automatic testing device, the system switch control test, brake control test and IGN control test of the ABS system to be tested can be simultaneously implemented without setting up a corresponding test environment, which can further improve the test efficiency of the ABS system and reduce the time cost of the ABS system test.
[0011] Alternatively, in a possible implementation, the brake control module includes: a front wheel brake control unit for implementing a front wheel brake control test, and a rear wheel brake control unit for implementing a rear wheel brake control test.
[0012] In the above implementation, the brake control module may include: a front wheel brake control unit for implementing a front wheel brake control test, and a rear wheel brake control unit for implementing a rear wheel brake control test; based on this, the ABS automatic test device can respectively implement the front wheel brake control test and the rear wheel brake control test for the ABS system to be tested, and a more refined ABS system test result can be obtained, thereby realizing accurate testing of the ABS system to be tested.
[0013] Alternatively, in a possible implementation, the sampling control device further includes: a wheel speed control module and a wheel speed acquisition module; wherein the wheel speed control module includes: a right rear wheel speed control unit for implementing a right rear wheel speed control test, a left rear wheel speed control unit for implementing a left rear wheel speed control test, a right front wheel speed control unit for implementing a right front wheel speed control test, and a left front wheel speed control unit for implementing a left front wheel speed control test; the wheel speed acquisition module includes: a right rear wheel signal acquisition unit for acquiring a right rear wheel control signal output by the ABS system to be tested, a left rear wheel signal acquisition unit for acquiring a left rear wheel control signal output by the ABS system to be tested, a right front wheel signal acquisition unit for acquiring a right front wheel control signal output by the ABS system to be tested, and a left front wheel signal acquisition unit for acquiring a left front wheel control signal output by the ABS system to be tested.
[0014] In the above implementation, based on the corresponding ABS automatic test device, the right rear wheel speed control test, the left rear wheel speed control test, the right front wheel speed control test and the left front wheel speed control test of the ABS system can be respectively implemented; so as to obtain more refined ABS system test results and realize accurate testing of the ABS system to be tested.
[0015] Alternatively, in a possible implementation, the wheel speed control module also includes: a first test port, a second test port, a third test port, and a fourth test port for outputting a right rear wheel test signal, a left rear wheel test signal, a right front wheel test signal, and a left front wheel test signal, respectively; the wheel speed acquisition module also includes: a first acquisition port, a second acquisition port, a third acquisition port, and a fourth acquisition port for acquiring the right rear wheel control signal, the left rear wheel control signal, the right front wheel control signal, and the left front wheel control signal, respectively.
[0016] Alternatively, in a possible implementation, the acquisition control device further includes: a current sampling module.
[0017] In the above implementation, since the acquisition control device also includes a current sampling module, the current test data sampling of the ABS system during the test process can be realized based on the current sampling module; the current test data of the ABS system during the test process can be obtained without the use of current clamps, oscilloscopes and other devices; thereby improving the test efficiency of the ABS system.
[0018] Alternatively, in a possible implementation, the acquisition control device further includes: an alarm indication module; the alarm indication module is electrically connected to the controller.
[0019] In the above implementation, the alarm module can issue a fault alarm when the ABS system to be tested fails or the ABS automatic test device fails, so as to provide the corresponding staff with
[0020] Alternatively, in a possible implementation, the testing device further includes: a diagnostic instrument interface; the diagnostic instrument interface is configured to connect to a diagnostic data input port of a diagnostic instrument and send the system test data to the diagnostic instrument.
[0021] In the above implementation, the ABS automatic test device can send system test data to the diagnostic instrument through the diagnostic instrument interface; so that the diagnostic instrument can quickly identify the fault in the ABS system to be tested based on the system test data, and display the corresponding fault information through the display screen; it is convenient for relevant personnel to quickly find out the location and cause of the fault based on the display results of the diagnostic instrument, thereby improving the efficiency of fault diagnosis.
[0022] Alternatively, in a possible implementation, the testing device further includes: an internal power supply device or a power supply interface; the internal power supply device is electrically connected to the controller and the sampling control device, respectively; the power supply interface is configured to connect to an external power supply device, and provide working power to the controller and the sampling control device based on the external power supply device.
[0023] Alternatively, in a possible implementation, the test device further includes: a USB interface; the USB interface is configured to connect to a host computer and forward a start test instruction issued by the host computer to the controller.
[0024] In the above implementation, the USB interface has good versatility and can be adapted to most host computers through the USB interface. By receiving the start test instruction sent by the host computer, the automatic test of the corresponding ABS system to be tested can be started.
[0025] The beneficial effects of the present application are: providing an ABS automatic test device, comprising: a controller and a sampling control device; and the sampling control device comprises: a test data output port, a test data input port, and at least one of an ABS system switch control module, a brake control module, and an IGN control module. The ABS automatic test device can realize the system switch control test, brake control test, or IGN control test of the ABS system to be tested without setting up a corresponding test environment, which can improve the test efficiency of the ABS system and thereby reduce the time cost of the ABS system test. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0027] Figure 1 A schematic diagram of the circuit structure of an ABS automatic testing device provided in an embodiment of the present application;
[0028] Figure 2 A schematic diagram of the external structure of an ABS automatic testing device provided in an embodiment of the present application;
[0029] Figure 3 A schematic diagram of the circuit structure of another ABS automatic testing device provided in an embodiment of the present application.
[0030] Figure numbers: 01-ABS automatic test device; 02-ABS automatic test device; 03-ABS automatic test device; 100-controller; 200-sampling control equipment; 201-test data output port; 202-test data input port; 203-ABS system switch control module; 204-brake control module; 2041-front wheel brake control unit; 2042-rear wheel brake control unit; 205-IGN control module; 206-wheel speed control module; 207-wheel speed acquisition module; 208-current sampling module; 209-alarm indication module; 300-diagnostic instrument interface; 400-internal power supply equipment; 500-power interface; 600-USB interface. DETAILED DESCRIPTION
[0031] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.
[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0033] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0034] Please refer to Figure 1 , Figure 1 This is a circuit diagram of an ABS automatic test device 01 provided in an embodiment of the present application. Figure 2 , Figure 2 The external structure diagram of an ABS automatic test device provided in an embodiment of the present application. The ABS automatic test device includes: a controller 100 and a sampling control device 200; the sampling control device 200 includes: a test data output port 201, a test data input port 202, and at least one of an ABS system switch control module 203, a brake control module 204 and an IGN control module 205;
[0035] The controller 100 is electrically connected to the sampling control device 200;
[0036] The controller 100 is configured to send a test control signal to the sampling control device 200;
[0037] The sampling control device 200 is configured to send a port test signal to the ABS system to be tested through a test data output port 201 based on the test control signal and the ABS system switch control module 203, the brake control module 204 or the IGN control module 205; and receive the system test data returned by the ABS system to be tested through a test data input port 202, and send the system test data to the controller.
[0038] The controller 100 may be implemented by a microcontroller unit (MCU) or a programmable logic controller (PLC). The sampling control device 200 may include at least two sampling control modules; for example, the sampling control device 200 may include an ABS system switch control module 203 and a brake control module 204, or may include a brake control module 204 and an IGN control module 205, or may include an ABS system switch control module 203, a brake control module 204 and an IGN control module 205 at the same time.
[0039] The test data output port 201 and the test data input port 202 are used to connect to the ABS system to be tested, so as to send a port test signal to the ABS system to be tested, so as to receive the system test data returned by the ABS system to be tested. Specifically, the connection between the "test data output port 201 and the test data input port 202" and the ABS system to be tested can be realized through a bus, for example, a CAN bus or an RS485 bus. Exemplarily, the "test data output port 201 and the test data input port 202" and the ABS system to be tested can be connected to the ABS system to be tested through multiple (can be two) CAN buses, so as to realize data transmission between the ABS automatic test device and the ABS system to be tested based on the CAN bus.
[0040] The specific implementation of the test data output port 201 and the test data input port 202 can be adjusted based on the specific implementation of the sampling control device 200. For example, when the sampling control device 200 includes an ABS system switch control module 203 and a brake control module 204, the test data output port 201 can include: a switch control test signal output port, and a brake control test signal output port; accordingly, the test data input port 202 can include: a switch control signal input port of the ABS system to be tested, and a brake control signal input port of the ABS system to be tested.
[0041] Among them, the ABS system switch control module 203 can be a module that can implement a switch control test on the ABS system under test; the brake control module 204 can be a module that can implement a brake control test on the ABS system under test; the IGN control module 205 can be a module that can implement an IGN (referring to the power supply system controlled by the automobile ignition switch) control test on the ABS system under test.
[0042] Exemplarily, the ABS system switch control module 203 can be implemented by a chip integrated circuit burned with "a switch control test code for the ABS system"; the specific control logic of the "switch control test code for the ABS system" can be implemented based on the existing method for implementing the switch control test of the ABS system. The brake control module 204 can be implemented by a chip integrated circuit burned with "a brake control test code for the ABS system"; the specific control logic of the "brake control test code for the ABS system" can be implemented based on the existing method for implementing the brake control test of the ABS system. The IGN control module 205 can be implemented by a chip or integrated circuit burned with "an IGN control test code for the ABS system"; the specific control logic of the "IGN control test code for the ABS system" can be implemented based on the existing method for implementing the IGN control test of the ABS system.
[0043] In some optional embodiments, the sampling control device 200 includes: a test data output port 201 , a test data input port 202 , an ABS system switch control module 203 , a brake control module 204 and an IGN control module 205 .
[0044] Among them, since the sampling control device 200 also includes the ABS system switch control module 203, the brake control module 204 and the IGN control module 205, there is no need to build a corresponding test environment to simultaneously implement the system switch control test, brake control test and IGN control test of the ABS system to be tested, which can further improve the test efficiency of the ABS system and reduce the time cost of the ABS system test.
[0045] Please refer to Figure 3 , Figure 3 This is a circuit diagram of another ABS automatic test device 03 provided in the embodiment of the present application. Figure 3 exemplarily shows the situation that the “test data output port 201 and the test data input port 202” are connected to the ABS system to be tested through multiple CAN buses (CAN1 and CAN2).
[0046] In some optional embodiments, the brake control module 204 includes: a front wheel brake control unit 2041 for implementing a front wheel brake control test, and a rear wheel brake control unit 2042 for implementing a rear wheel brake control test.
[0047] Among them, since the brake control module 204 includes: a front wheel brake control unit 2041, and a rear wheel brake control unit 2041; accordingly, the ABS automatic testing device can respectively implement the front wheel brake control test and the rear wheel brake control test for the ABS system to be tested, and can obtain more refined ABS system test results, thereby realizing accurate testing of the ABS system to be tested.
[0048] In some optional embodiments, the sampling control device 200 also includes: a wheel speed control module 206 and a wheel speed acquisition module 207; wherein the wheel speed control module 206 includes: a right rear wheel speed control unit for implementing a right rear wheel speed control test, a left rear wheel speed control unit for implementing a left rear wheel speed control test, a right front wheel speed control unit for implementing a right front wheel speed control test, and a left front wheel speed control unit for implementing a left front wheel speed control test; the wheel speed acquisition module includes: a right rear wheel signal acquisition unit for acquiring a right rear wheel control signal output by the ABS system to be tested, a left rear wheel signal acquisition unit for acquiring a left rear wheel control signal output by the ABS system to be tested, a right front wheel signal acquisition unit for acquiring a right front wheel control signal output by the ABS system to be tested, and a left front wheel signal acquisition unit for acquiring a left front wheel control signal output by the ABS system to be tested.
[0049] Among them, since the wheel speed control module 206 includes a right rear wheel speed control unit, a left rear wheel speed control unit, a right front wheel speed control unit, and a left front wheel speed control unit; and the wheel speed acquisition module 107 includes: a right rear wheel signal acquisition unit, a left rear wheel signal acquisition unit, a right front wheel signal acquisition unit, and a left front wheel signal acquisition unit. Based on this, the right rear wheel speed control test, the left rear wheel speed control test, the right front wheel speed control test, and the left front wheel speed control test of the ABS system can be respectively implemented, and the corresponding test data can be obtained; so as to obtain a more refined ABS system test result, and realize the accurate test of the ABS system to be tested.
[0050] In some optional embodiments, the wheel speed control module 206 also includes: a first test port, a second test port, a third test port, and a fourth test port for outputting a right rear wheel test signal, a left rear wheel test signal, a right front wheel test signal, and a left front wheel test signal, respectively; the wheel speed acquisition module 207 also includes: a first acquisition port, a second acquisition port, a third acquisition port, and a fourth acquisition port for acquiring the right rear wheel control signal, the left rear wheel control signal, the right front wheel control signal, and the left front wheel control signal, respectively.
[0051] Among them, the right rear wheel test signal refers to the signal used to implement the right rear wheel speed control test, the left rear wheel test signal refers to the signal used to implement the left rear wheel speed control test, the right front wheel test signal refers to the signal used to implement the right front wheel speed control test, and the left front wheel test signal refers to the signal used to implement the left front wheel speed control test.
[0052] In some optional embodiments, the acquisition control device 200 further includes: a current sampling module 208 .
[0053] Among them, since the acquisition control device 200 also includes a current sampling module 208, the current test data sampling of the ABS system during the test process can be realized based on the current sampling module 208; the current test data of the ABS system during the test process can be obtained without the use of current clamps, oscilloscopes and other devices; thereby improving the test efficiency of the ABS system.
[0054] In some optional embodiments, the acquisition control device 200 further includes: an alarm indication module 209 ; the alarm indication module 209 is electrically connected to the controller 100 .
[0055] Among them, the alarm indication module 209 can be implemented by an alarm indicator light or a buzzer. The alarm indication module 209 may include: a first alarm indication unit for indicating an ABS system fault, and a second fault alarm indication unit for indicating "ABS automatic test device fault". Taking the alarm indication module 209 implemented by an alarm indicator light as an example, in order to facilitate distinction, the first alarm indication unit and the second alarm indication unit can be implemented by alarm indicators of different colors. Specifically, the first alarm indication unit can send a fault alarm prompt signal when "the controller determines that the ABS system has a fault based on the system test data returned by the ABS system during the test process". The second fault alarm indication unit can send a fault alarm prompt signal when the above-mentioned ABS automatic test device fails.
[0056] In some optional embodiments, the ABS automatic test device further includes: a diagnostic instrument interface 300; the diagnostic instrument interface 300 is configured to connect to a diagnostic data input port of a diagnostic instrument and send the system test data to the diagnostic instrument.
[0057] Among them, by equipping the above-mentioned ABS automatic test device with a diagnostic instrument interface 300, which is connected to the diagnostic data input port of the diagnostic instrument through the diagnostic instrument interface 300, the "system test data obtained during the test process" can be directly sent to the diagnostic instrument; the diagnostic instrument can quickly identify the fault of the ABS system to be tested based on the system test data, and display the corresponding fault information through the display screen, so that the relevant personnel can quickly find out the location and cause of the fault according to the display results of the diagnostic instrument, thereby improving the efficiency of fault diagnosis.
[0058] In some optional embodiments, the ABS automatic testing device also includes: an internal power supply device 400 or a power supply interface 500; the internal power supply device 400 is electrically connected to the controller 100 and the sampling control device 200 respectively; the power supply interface 500 is configured to connect to an external power supply device, and provide working power to the controller 100 and the sampling control device 200 based on the external power supply device.
[0059] The internal power supply device 400 can be implemented by a battery or a power chip (e.g., a linear power chip). The internal power supply device 400 of the ABS automatic test device or the power supply interface 500 receives power from an external power supply device to provide working power for the controller 100 and the sampling control device 200.
[0060] In some optional embodiments, the ABS automatic testing device further includes: a USB interface 600 ; the USB interface 600 is configured to connect to a host computer and forward a start test instruction issued by the host computer to the controller 100 .
[0061] Among them, the USB interface 600 has good versatility and can be adapted to most host computers through the USB interface 600, so as to start the automatic test of the corresponding ABS system to be tested by receiving the start test instruction sent by the host computer.
[0062] In some optional embodiments, when the ABS automatic testing device further includes: an internal power supply device 400, the above-mentioned ABS automatic testing device may also include: a power supply port; the power supply port is used to connect to the power supply end of the ABS system to be tested, and can provide working power for the ABS system to be tested based on the internal power supply device 400.
[0063] In the several embodiments provided in the embodiments of the present application, it should be understood that the disclosed circuit structure can also be implemented in other ways. The circuit structure embodiments described above are only illustrative. For example, the functional modules in the various embodiments of the present application can be integrated together to form an independent part, or each module can exist separately, or two or more modules can be integrated to form an independent part.
[0064] The above description is only an optional implementation manner of the embodiments of the present application, but the protection scope of the embodiments of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or replacements within the technical scope disclosed in the embodiments of the present application, which should be covered within the protection scope of the embodiments of the present application.
Claims
1. An ABS automatic testing device, characterized in that: The test device comprises: a controller and a sampling control device; the sampling control device comprises: a test data output port, a test data input port, and at least one of an ABS system switch control module, a brake control module and an IGN control module; The controller is electrically connected to the sampling control device; The controller is configured to send a test control signal to the sampling control device; The sampling control device is configured to send a port test signal to the ABS system to be tested through the test data output port based on the test control signal and the ABS system switch control module, the brake control module or the IGN control module; and receive system test data returned by the ABS system to be tested through the test data input port, and send the system test data to the controller.
2. The testing device according to claim 1, characterized in that: The sampling control device also includes: the test data output port, the test data input port, the ABS system switch control module, the brake control module and the IGN control module.
3. The testing device according to claim 2, characterized in that: The brake control module comprises: a front wheel brake control unit for implementing a front wheel brake control test, and a rear wheel brake control unit for implementing a rear wheel brake control test.
4. The testing device according to claim 2, characterized in that: The sampling control device also includes: a wheel speed control module and a wheel speed acquisition module; Wherein, the wheel speed control module includes: a right rear wheel speed control unit for implementing a right rear wheel speed control test, a left rear wheel speed control unit for implementing a left rear wheel speed control test, a right front wheel speed control unit for implementing a right front wheel speed control test, and a left front wheel speed control unit for implementing a left front wheel speed control test; The wheel speed acquisition module includes: a right rear wheel signal acquisition unit for acquiring the right rear wheel control signal output by the ABS system to be tested, a left rear wheel signal acquisition unit for acquiring the left rear wheel control signal output by the ABS system to be tested, a right front wheel signal acquisition unit for acquiring the right front wheel control signal output by the ABS system to be tested, and a left front wheel signal acquisition unit for acquiring the left front wheel control signal output by the ABS system to be tested.
5. The testing device according to claim 4, characterized in that: The wheel speed control module further includes: a first test port, a second test port, a third test port, and a fourth test port for outputting a right rear wheel test signal, a left rear wheel test signal, a right front wheel test signal, and a left front wheel test signal, respectively; The wheel speed acquisition module also includes: a first acquisition port, a second acquisition port, a third acquisition port, and a fourth acquisition port for respectively acquiring the right rear wheel control signal, the left rear wheel control signal, the right front wheel control signal, and the left front wheel control signal.
6. The testing device according to claim 2, characterized in that: The sampling control device further includes: a current sampling module.
7. The testing device according to claim 2, characterized in that: The sampling control device further includes: an alarm indication module; the alarm indication module is electrically connected to the controller.
8. The testing device according to any one of claims 1 to 7, characterized in that: The testing device further comprises: a diagnostic instrument interface; the diagnostic instrument interface is configured to be connected to a diagnostic data input port of the diagnostic instrument and to send the system test data to the diagnostic instrument.
9. The testing device according to any one of claims 1 to 7, characterized in that: The test device also includes: an internal power supply device or a power supply interface; The internal power supply device is electrically connected to the controller and the sampling control device respectively; The power interface is configured to connect to an external power supply device and provide working power to the controller and the sampling control device based on the external power supply device.
10. The testing device according to any one of claims 1 to 7, characterized in that: The testing device further comprises: a USB interface; the USB interface is configured to connect to a host computer and forward a start test instruction issued by the host computer to the controller.