AT4000—Starter Motor Test System

　　AT4000—Starter Motor Test System—Product Background

　　Overview:

　　Starter motors are widely used in the automotive field. Product performance and product quality must be ensured during product development and factory inspection. Therefore, it is particularly important to conduct strict tests on the performance of the starter motor. According to the national standard GB/T 26674-2011 "Test Method for the Electrical Characteristics of Road Vehicle Starters" and with reference to other national standards and various motor test standards, the system conducts type verification tests on the motor test purpose, test procedures and test methods.

Bench picture

　　Reference standard:

　　●QC/T731-2005 Technical conditions of automobile starter

　　●QC/T277-1999 Starter characteristic test method

　　●GB/T 26674-2011 Road vehicle starter electrical characteristics test method

　　●JB/T5335-1991 Technical conditions of DC motors for battery vehicles

　　●GB 755-2000 Rotating motor rating and performance

　　●GB/T 7345-2008 basic technical requirements for control motors

　　●GB/T 50054-95 Low Voltage Power Distribution Design Code

　　●GB/T 50055-93 Code for Power Distribution Design of General Electric Equipment

　　●Mechanical manufacturing system according to GB9061-85

　　●The electrical system complies with GB5226-85

　　AT4000—Starter Motor Test System—Topological Structure

　　AT4000—starter motor test system adopts modular and integrated design, the operating part is ergonomically designed, and can complete manual/automatic mode control. It is composed of three parts: mechanical system, simulated environment system, electrical system and upper computer software system.

　　●Mechanical system: cast iron platform, loading equipment, fast gripping device for the tested part, flywheel, shaft connection part and other equipment.

　　●Simulated environmental system: environmental warehouse

　　●Electrical system: DC starting power supply, loading control, sensors (torque, speed, current, voltage, vibration, temperature) real-time data acquisition equipment, data acquisition, current sensor acquisition, electrical parameter measurement equipment, alarm system and other equipment components.

　　●Software system: host computer test software data acquisition communication module, data acquisition setting module, data real-time exchange control module, data processing module. The upper computer completes the functions of test control, data analysis and display, data recording and export according to the test items.

　　AT4000—Starter Motor Test System—System Function

　　Test range and accuracy:

　　● Power range: 100W~50KW power level, support the customization of other power levels;

　　● Test voltage level: 0~110V;

　　● Speed ​​range: 0~10000rpm;

　　● Voltage/current measurement accuracy: ±0.01% of reading + ±0.03% of range

　　● Electric basic power measurement accuracy: ±0.03%

　　● Speed ​​measurement accuracy: ±1r/min;

　　● Torque measurement accuracy: ±0.05%F.S.

　　Pilot projects:

　　Starter motor simulation endurance test (abnormal temperature, abnormal current, abnormal voltage, abnormal speed, abnormal torque, abnormal toothing, etc.), load simulation test, brake durability test, load durability test, pull-in test, no-load detection, release Testing etc.

　　AT4000—Starter Motor Test System—Main Features

　　01 Functional modularity

　　All the benches are built using functional modularity, and are combined into one test system in the form of a combination of modules. Customers can add or remove test modules according to different test objects.

　　02 Advanced measurement methods

　　Adopting advanced real-time measurement and control system, including input electrical parameter test, speed and torque test, etc., the torque and speed sampling rate is up to 1000Hz, which meets the high precision and fast response requirements of the test system, and provides transient data and characteristic value data, which is convenient for the software to test Comprehensive analysis of process data.

　　03 Complete test items

　　According to the test requirements specified in the national standard, test items can be added or removed according to the configuration module, which can meet the test items for various types of tests

　　04 Motor load

　　Using asynchronous motor/servo motor as the load of the tested electric drive assembly, changing the traditional load method, improving the dynamic measurement range and accuracy of the torque and speed of the system, improving the loading performance (forward/reverse, reverse drag), and shortening the load The response time can realize the loading of any load curve and highly simulate the real-time operating conditions of the electric drive assembly.

　　05Humanized design

　　Using a professional motor test bench, the fixture has a quick centering function, and is convenient for loading and unloading and adjustment of coaxiality. It can be adapted to the installation of the tested motor of any shape. The system operation adopts the piano table / cabinet + computer desk control mode, which can be completed Complete the layout of all test operations in a single location.

　　06 Customized testing software

　　The motor test system test software developed by the Sichuan Chengbang Software R&D team, according to the national standard requirements test items, classifies the software interface and process, reduces repeated tests, and greatly improves the work efficiency of testers. And it has the functions of real-time curve drawing, transient value capture, trend curve drawing and analysis, multi-parameter combination display, qualified judgment, report export and so on.

　　AT4000—Starter Motor Test System—Main Application

　　●Starter motor for vehicle

　　●Special starter motor