ECU automated production test system case [articles]

        In the context of industrial 4.0 and cars with intelligent network, whether it is the complexity of intelligent electronic components to enhance the driving of the vehicle, or the user of a zero-tolerance attitude vehicle quality, vehicle electronic components are made in the production process quality inspection a higher demand. 

 

 

        Jingwei Hengrun self-study TESTBASE hardware, combined with INTEWORK platform software, development of all types ECU automated production test system. The system has more than fifty OEMs and suppliers to provide support for the production line, the test vehicles covered by conventional cars, new energy vehicles and smart driving a car, the following is part of the delivered item Case.

Case I: a large screen in the control function test bench

        Offline implementations control screen, screen display, cars and other vehicle-mounted multimedia products automatic testing by the test fixture replacement more compatible products offline inspection requirements. For users to solve a manual test for a long time, inefficient, dead pixels detected by the human eye to identify easily lead to false positives or false negatives, according to other issues. 

 

 

         

 

•   System components: industrial camera, four-axis robot, stylus, microphone, light scattering, PLC, the HMI touch screen, programmable power supply, supporting jig, electric rail like.

•   Test content:

    ♦   download (USB mode)

    ♦   quiescent current test

    ♦   MVB communication, Ethernet, CAN, USB communications test

    ♦   buzzer sound and microphone test

    ♦   screen pixel test, test brightness adjustment, touch screen calibration, touch sensitive test

    ♦   Key Test

    ♦   sensitive test, test brightness

Case II: New Energy BMS production line EOL test system

        BMS cell voltage acquisition achieved, active and passive equalization, insulation detection, collection temperature, automatic test charge interaction, a high-pressure collection, the current collection and other functions. Provide effective, reliable and efficient means of testing for the BMS production line testing, and help customers solve the low test efficiency, low precision, poor adaptability, test coverage is not enough, the risk of higher quality issues. 

 

 

•   System components: TestBase internet new energy board, a battery simulation card, card emulation insulation resistance, charging pile board simulation, emulation board temperature, high pressure emulation board, the splitter card, SPI communications boards; software using Hengrun INTEWORK self-development platform software, upgrades simple and fast.

•   Test content:

    ♦   batteries sampling accuracy test

    ♦   balancing test

    ♦   operating current test

    ♦   quiescent current collection

    ♦   CAN communication test

    ♦   daisy chain communication test

    ♦   temperature acquisition test

    ♦   Insulation Monitor Test

    ♦   Charge Management Test

    ♦   high pressure test collection

    ♦   diagnostics tests

    ♦   current collection test

    ♦   the JTAG programming, Bootloader and writing brush

Case 3: New energy VCU production line EOL test system

        该系统为客户解决了定制设备交付周期长、传统测试自动化程度低、测试效率低、兼容性差、测试一致性差等问题；不仅应用于新能源汽车VCU生产环节，也可应用于OEM部件来料功能检测，及实验室开发阶段的功能验证，成熟度高，最快1个月可完成全新设备的集成交付。 

 

 

                  

 

•   系统组成：PlantBase硬件平台、电源、示波器、万用表、存储记录仪、工装夹具等，及INTEWORK产线测试软件。

•   测试内容：

    ♦  静态/工作电流采集

    ♦  MCU使能测试

    ♦  高压互锁检测

    ♦  DCDC测试

    ♦  CAN信号测试 

    ♦  母线高压测试 

    ♦  放电测试 

    ♦  IGBT/电机温度测试

    ♦  IGBT驱动测试

    ♦  电机发电测试等

案例五：EABS产线EOL测试系统

        EABS产线EOL测试系统集成车辆模型，采集刹车曲线以及控制器工作状态，在产线上实现基于工况的测试。该系统基于硬件在环技术，为客户解决了实车程序无法在产线上测试的难题。 

 

 

•   系统组成：三方向定制夹具，PlantBase硬件平台+INTEWORK产线测试软件

•   测试内容：

    ♦  ABS,EBD故障灯检测

    ♦  模型FR、RL、RR车速对比度

    ♦  回流泵输出电流

    ♦  FL\FR\RL\RR增压阀工作电流检测

    ♦  工作阀体相互短路检测

案例六：电子换挡杆环境耐久测试系统

        电子换挡杆EGSM环境耐久测试设备，利用特质工装模组，使换挡杆在-40℃~85℃环境温度下连续工作2个月。电子换挡杆EGSM角度标定测试设备，通过六轴机器手+高精度力传感器，实现换挡力和换挡角度的自动标定。此测试系统为客户EGSM的研发和量产保驾护航。 

 

 

 

 

•   系统组成：PlantBase硬件平台+INTEWORK产线测试软件，6DUT换挡杆工装，六轴机器人，高精度力传感器。

•   测试内容：

    ♦  -40℃低温时连续工作状态测试

    ♦  85℃高温时连续工作状态测试

    ♦  20万次工作寿命测试

    ♦  各档位最小驱动力曲线测试

    ♦  各档位到位角度测试以及标定

案例七：发动机后处理电控DCU产线测试系统

        DCU产线测试系统集成DCU总成，测试标准和流程与北美同源，为客户产品的国际化提供有力保障。系统包含三个工位，通过搭建实际液气路环境，利用真实喷嘴，仿真并测试DCU控制器产品。

 

 

•   系统组成：PlantBase硬件平台+INTEWORK产线测试软件

•   测试内容：

    ♦  待机电流与工作电流测试

    ♦  泵自检测试（Hold，Peak）

    ♦  加热毯测试

    ♦  建压测试，流量测试

    ♦  内部压力传感器比对测试

    ♦  稳压测试，排空测试等 

 

经纬恒润
北京市海淀区知春路7号致真大厦D座6层
电话：010-64840808
邮箱：[email protected]
网址：www.hirain.com