CN-122018484-A - Vehicle-mounted intelligent driving module OTA system upgrading test equipment and method

CN122018484ACN 122018484 ACN122018484 ACN 122018484ACN-122018484-A

Abstract

The invention discloses a vehicle-mounted intelligent driving module OTA system upgrading test device and method. The apparatus includes a test cabinet and at least one detachably mounted test fixture. The test equipment cabinet is integrated with a control host, an electronic cooling dryer and a functional test module, the test equipment is provided with a product positioning detection assembly, a plug test assembly and an air cooling side pushing assembly, and the functional test module is electrically connected with the test equipment cabinet through the test equipment cabinet and is in signal communication with the plug test assembly so as to be used for carrying out data interaction with the vehicle-mounted intelligent driving module during testing. According to the intelligent driving module OTA upgrading method, an integrated testing platform is built, a stepped one-to-four parallel testing framework is adopted, and a profiling testing head with a secondary floating structure and an active air cooling heat dissipation simulation system are utilized, so that efficient, accurate and real automatic testing on an OTA upgrading process of the intelligent driving module is realized, testing efficiency and reliability are remarkably improved, and good equipment universality is achieved.

Inventors

WANG KONGBING
YU YI
ZUO WENGUANG

Assignees

深圳市强瑞精密技术股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260126

Claims (10)

1. An on-vehicle intelligent driving module OTA system upgrades test equipment, characterized by comprising: the test cabinet is internally integrated with a control host, a power supply module, a control assembly, an electronic cooling and drying machine and at least one functional test module; The testing fixture is detachably arranged on the testing cabinet and used for loading and testing the vehicle intelligent driving module; the test fixture comprises a product positioning detection assembly, a plug test assembly, an air cooling side pushing assembly, a test signal path and a test signal path, wherein the product positioning detection assembly is used for detecting the in-place state and the placement state of the vehicle-mounted intelligent driving module; the functional test module is electrically connected with the test fixture through the test cabinet and is in signal communication with the pluggable test assembly, so that the functional test module is used for carrying out data interaction with the vehicle-mounted intelligent driving module during testing.
2. The test apparatus of claim 1, wherein the test apparatus comprises, The test cabinet comprises two layers of stepped mounting platforms, and each layer of platform is used for mounting at least two test jigs so as to realize parallel test of a plurality of vehicle-mounted intelligent driving modules.
3. The test apparatus of claim 1, wherein the test apparatus comprises, The test cabinet is further integrated with a vehicle-mounted central control screen assembly, and the vehicle-mounted central control screen assembly is electrically connected with the vehicle-mounted intelligent driving module through the plug test assembly of the test fixture so as to be used for simulating a real vehicle man-machine interaction environment.
4. The test apparatus of claim 1, wherein the test apparatus comprises, The function test module comprises at least one of a CAN box for vehicle bus communication test and an Ethernet box for Ethernet communication test.
5. The test apparatus of claim 1, wherein the plug test assembly comprises a contoured test head driven by a cylinder and having a floating structure for automatic plugging and unplugging with an electrical connector of the vehicle mounted intelligent drive module.
6. The test apparatus of claim 5, wherein, The floating structure of the profiling test head is a two-stage floating structure and comprises a first floating unit for compensating radial deviation and a second floating unit for compensating axial deviation.
7. The test apparatus of claim 1, wherein the test fixture further comprises a pinch grip cylinder assembly for pinching the vehicle-mounted intelligent drive module during testing.
8. An on-board intelligent drive module OTA system upgrade test method using the test apparatus of any one of claims 1 to 7, comprising the steps of: Loading the intelligent driving module to be tested on the test fixture, and confirming that the intelligent driving module to be tested is placed in place through the product positioning detection assembly; Controlling the plug testing assembly to move, establishing physical connection with an electric connector of the vehicle-mounted intelligent driving module, and simultaneously controlling the air cooling side pushing assembly to block a fluid port of the vehicle-mounted intelligent driving module and guide in a cooling medium; Through established physical connection, the control function test module performs data interaction with the vehicle-mounted intelligent driving module, and performs at least one test including OTA upgrade, software installation, version check or network communication; and after the test is finished, controlling each component to reset, and taking down the vehicle-mounted intelligent driving module.
9. The test method of claim 8, wherein, The test method supports a manual test mode and an automatic test mode; in the manual test mode, a tester executes the steps of loading and removing the vehicle-mounted intelligent driving module and automatically triggers a test flow after the intelligent driving module is placed in place; In the automatic test mode, the steps of loading and unloading the vehicle-mounted intelligent driving module are executed by a manipulator, and a test flow is automatically triggered after the vehicle-mounted intelligent driving module is placed in place.
10. The test method of claim 8, wherein the flow of introducing the cooling medium comprises: controlling compressed air to sequentially pass through the pressure regulating valve, the electronic cold dryer and the electromagnetic valve to form cold dry air; and controlling cold dry air to flow in from a water inlet of the vehicle-mounted intelligent driving module, and discharging the cold dry air to the outside from a water outlet of the vehicle-mounted intelligent driving module after the cold dry air flows through an internal flow channel of the vehicle-mounted intelligent driving module.

Description

Vehicle-mounted intelligent driving module OTA system upgrading test equipment and method Technical Field The invention relates to the technical field of automobile electronic testing, in particular to a vehicle-mounted intelligent driving module OTA system upgrading testing device and method. Background With the vigorous development and innovation of 'intelligentization', 'networking' of automobiles, the introduction of an intelligent driving system enables automobiles to have remarkable competitive advantages in the aspects of user experience, driving safety and the like. The intelligent driving module is a key carrier in the intelligent driving system, and the comprehensiveness and effectiveness of functions of the intelligent driving module are important guarantees for safe and stable operation of a vehicle system. Currently, performing OTA system upgrade testing on intelligent driving modules is mostly dependent on manual operation or semi-automated single-station testing equipment. The prior art has the problems of low testing efficiency, unstable testing result caused by incomplete coverage of testing scenes and easy error introduction caused by manual operation, and the like. In addition, the intelligent driving module is lack of effective simulation of heat dissipation working conditions under high load, and test equipment is often special for special vehicles, so that the intelligent driving module is poor in universality and high in transformation cost. Therefore, an automatic test solution is needed that can realize efficient parallel testing, accurately simulate the real vehicle environment, have good versatility, and ensure test stability. Disclosure of Invention The invention provides a vehicle-mounted intelligent driving module OTA system upgrading test device and method, which are used for solving the technical problems of low efficiency, poor authenticity and insufficient universality of the existing test technology. In order to achieve the technical purpose, the invention adopts the following technical scheme: According to a first aspect of the technical scheme of the invention, an on-board intelligent driving module OTA system upgrade test device is provided, comprising: the test cabinet is internally integrated with a control host, a power supply module, a control assembly, an electronic cooling and drying machine and at least one functional test module; The testing fixture is detachably arranged on the testing cabinet and used for loading and testing the vehicle intelligent driving module; the test fixture comprises a product positioning detection assembly, a plug test assembly, an air cooling side pushing assembly, a test signal path and a test signal path, wherein the product positioning detection assembly is used for detecting the in-place state and the placement state of the vehicle-mounted intelligent driving module; the functional test module is electrically connected with the test fixture through the test cabinet and is in signal communication with the pluggable test assembly, so that the functional test module is used for carrying out data interaction with the vehicle-mounted intelligent driving module during testing. Preferably, the test cabinet comprises two layers of stepped mounting platforms, and each layer of platform is used for mounting at least two test jigs so as to realize parallel testing of a plurality of vehicle-mounted intelligent driving modules. Preferably, the test cabinet is further integrated with a vehicle-mounted central control screen assembly, and the vehicle-mounted central control screen assembly is electrically connected with the vehicle-mounted intelligent driving module through a plug test assembly of the test fixture so as to be used for simulating a real vehicle man-machine interaction environment. Preferably, the functional test module includes at least one of a CAN box for vehicle bus communication test and an ethernet box for ethernet communication test. Preferably, the plug testing assembly comprises a profiling testing head which is driven by a cylinder and provided with a floating structure, and the profiling testing head is used for automatically plugging and disconnecting with an electric connector of the vehicle-mounted intelligent driving module. Preferably, the floating structure of the profiling test head is a two-stage floating structure comprising a first floating unit for compensating radial deviations and a second floating unit for compensating axial deviations. Preferably, the test fixture further comprises a pressing claw air cylinder assembly, and the pressing claw air cylinder assembly is used for pressing the vehicle-mounted intelligent driving module in the test process. According to a second aspect of the technical scheme of the invention, a vehicle-mounted intelligent driving module OTA system upgrading test method using the test equipment is provided, and the method comprises the following steps: Loading the intelligent dr