CN-224232122-U - Test system and test device of steering system

Abstract

The application provides a test system and a test device of a steering system, which relate to the technical field of vehicle test, wherein the test system comprises a control module, a communication module and a switch module; the communication module is connected with the control module and the steering system; the control end of the switch module is connected with the communication module, the first end of the switch module is connected with the output voltage, the second end of the switch module is connected with the steering system, the switch module is controlled to be intermittently conducted along a first switch period in a power-on state so as to intermittently power up and down the steering system, and the switch module is controlled to be intermittently conducted along a second switch period in a power-off state so as to intermittently power up and down the steering system. The test system realizes high-precision test on the steering system through automatic test, reduces test errors during manual test, saves time and labor cost of manual operation, saves test time, improves test efficiency, and is suitable for functional test of more test scenes.

Inventors

• GE JIAN
• WANG ZHAOJUN
• LIN BIN

Assignees

• 江苏智驭汽车科技有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (10)

1. 1. A test system for a steering system, the test system comprising: A control module; A communication module connected with the control module and the steering system, and The control end of the switch module is connected with the communication module, the first end of the switch module is connected with output voltage, and the second end of the switch module is connected with the steering system; The test system comprises an upper electric test state and a lower electric test state, wherein in the upper electric test state, the control module controls the switch module to conduct intermittently along a first switch period through the communication module so as to enable the steering system to conduct intermittently, and in the lower electric test state, the control module controls the switch module to conduct intermittently along a second switch period through the communication module so as to enable the steering system to conduct intermittently.
2. 2. The test system of claim 1, wherein the first switching cycle comprises at least one first off phase and at least one first on phase; The duration of the first closing phase is T1 seconds and the duration of the first opening phase is T2 milliseconds.
3. 3. The test system of claim 1, wherein the second switching cycle comprises at least one second off phase and at least one second on phase; The duration of the second closing phase is T3 milliseconds and the duration of the second opening phase is T4 seconds.
4. 4. The test system of claim 1, further comprising an up-down electrical test state in which the control module controls the switch module to intermittently conduct along a third switching period via the communication module to intermittently power up and power down the steering system.
5. 5. The test system of claim 4, wherein the third switching cycle comprises at least one third off phase and at least one third on phase; The duration of the third closing phase is T5 milliseconds and the duration of the third opening phase is T6 milliseconds.
6. 6. The test system of any of claims 1-5, wherein the communication module employs a controller area network protocol for data transmission.
7. 7. The test system of claim 6, wherein the communication module comprises: A first communication unit connected with the control module and the steering system, and And the second communication unit is connected with the control module and the controlled end of the switch module.
8. 8. The test system of claim 7, wherein the switch module is a relay; The controlled end of the relay is connected with the second communication unit, the first end of the relay is connected with the output voltage, and the second end of the relay is connected with the steering system.
9. 9. A test device, comprising: steering system, and The test system of any one of claims 1-8, connected to the steering system.
10. 10. The test device of claim 9, wherein the test device further comprises: A first DC power source connected to the steering system, and And the second direct current power supply is connected with the test system.

Description

Test system and test device of steering system Technical Field The present application relates to the field of vehicle testing technology, and more particularly, to a test system and a test device for a steering system. Background The power-on and power-off function of a steering system of a vehicle is an important technology in an electronic control system of the vehicle, and therefore, whether the function of the steering system in the power-on and power-off processes meets the design requirements needs to be verified. In the related art, a manual mode (such as manual key operation) is generally adopted to perform power-on and power-off operation, meanwhile, the consistency of an actual output value and an expected value in the test process is manually compared, and the test efficiency and the test precision are low. Disclosure of utility model In order to solve the problems, the application provides a test system and a test device of a steering system, which aim to solve the problems of lower test efficiency and test precision when the power on and off of the steering system are tested manually in the related art. The application provides a test system of a steering system, which comprises a control module, a communication module and a switch module, wherein the communication module is connected with the control module and the steering system, a controlled end of the switch module is connected with the communication module, a first end of the switch module is connected with output voltage, and a second end of the switch module is connected with the steering system, wherein the test system comprises an electric power-on test state and an electric power-off test state, the control module controls the switch module to be intermittently conducted along a first switch period through the communication module to enable the steering system to be intermittently powered on and powered off, and the control module controls the switch module to be intermittently conducted along a second switch period through the communication module to enable the steering system to be intermittently powered on and powered off in the electric power-on test state. In the technical scheme, the power-on and power-off processes of the real vehicle are simulated by carrying an automatic test environment (namely, the control module automatically issues corresponding test instructions, and the communication module controls the switch module to be intermittently conducted according to a set switch period based on the test instructions). Meanwhile, the control module collects system state data in the process in real time and analyzes the data so as to automatically verify whether the functions of the steering system in the power-on and power-off processes meet the design requirements. High-precision testing of the steering system is realized through automatic testing, and testing errors during manual testing are reduced, so that consistency and reliability of testing results are improved. Compared with the manual testing process in the related art, the automatic testing saves the time and labor cost of manual operation, repeated testing tasks can be rapidly executed, testing time is greatly saved, testing efficiency is high, and the automatic testing can be suitable for functional testing of more testing scenes. With reference to the first aspect, in some possible implementations, the first switching cycle includes at least one first off phase and at least one first on phase, where the duration of the first off phase is T1 seconds and the duration of the first on phase is T2 milliseconds. In the technical scheme, when the switch module is intermittently conducted based on the first switch period, the duration of one first opening stage is kept at the millisecond level, so that the steering system can be rapidly electrified, the test system provided by the application can realize rapid electrification test, the test range is expanded, and the test scene is enriched. With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the second switching period includes at least one second off phase and at least one second on phase, where a duration of the second off phase is T3 milliseconds, and a duration of the second on phase is T4 seconds. In the technical scheme, when the switch module is intermittently conducted based on the second switch period, the duration of one second closing stage is kept at the millisecond level, so that the quick power-down of the steering system is realized, the test system provided by the application can realize the quick power-down test, the test range is expanded, and the test scene is enriched. With reference to the first aspect and the foregoing implementation manner, in some possible implementation manners, the test system further includes an up-down electrical test state, and in the up-down electrical test state, the control module controls the switch module