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Number of views:1000Product AdvantagesParametersTechnical ParameterAT4000—New Energy Vehicle Motor Towing Test System—Product Background
Overview:
In the automotive industry, the application of new energy vehicle motors for passenger cars, commercial vehicles, logistics vehicles, and heavy trucks is becoming more and more extensive. The durability of the motor's product development and factory inspection must ensure product performance and product quality. Strict testing and analysis of performance is particularly important. This system is based on the national standard GB/T 18488.1-2015 "Electric Vehicle Motors and Controllers Part One Technical Conditions" GB/T 18488.2-2015 "Electric Vehicle Motors and Controllers Part Two Test Methods" and refer to other national standard requirements In accordance with various motor test standards, type verification tests are carried out on motor test purposes, test procedures and test methods.
Bench picture
Reference standard:
●GB/T 18488.1-2015 "Electric Vehicle Motors and Controllers Part One Technical Conditions"
●GB/T 18488.2-2015 "Electric Vehicle Motors and Controllers Part II Test Methods"
●GB/T 18385-2005 "Electric Vehicle Power Performance Test Method"
●GB/T 18386-2005 "Electric Vehicle Energy Consumption Rate and Driving Range Test Method"
●GB/T 755-2008 "Rating and performance test methods for rotating electrical machines"
●GB/T 29307-2012 "Reliability Test Method of Drive Motor System for Electric Vehicles"
●GB/T 22669-2008 "Three-phase permanent magnet synchronous motor test method"
●GB/T 1032-2005 "Three-phase asynchronous motor test method"
●GB/T 50054-95 "Code for Low Voltage Power Distribution Design"
●GB/T 50055-93 "General Electric Equipment Power Distribution Design Code"
●Mechanical manufacturing system according to GB9061-85
●Electrical system according to GB5226-85
T4000—New Energy Vehicle Motor Towing Test System—Topological Structure
AT4000—New energy vehicle motor towing test system adopts a modular and integrated design. The operating part is ergonomically designed and can complete manual/automatic mode control. The drive and loading system is provided by the customer. The system is divided into three parts: mechanical system, simulation guarantee system, electrical system and upper computer software system.
●Mechanical system: the overall platform, quick clamping system, shaft connection and other equipment.
●Simulation guarantee system: Environmental warehouse, temperature control system and other equipment components.
●Electrical system: two-way drive DC power supply, sensors (torque, speed, current, voltage, vibration, temperature) real-time data acquisition system, data acquisition, current sensor acquisition, electrical parameter measurement equipment, alarm system and other equipment.
●Software system: The upper computer test software is divided into data acquisition communication module, data acquisition setting module, data real-time exchange control module, and 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—New Energy Vehicle Motor Towing Test System—System Function
The basic scope and accuracy of the test of passenger car motor on the trailer:
●Recommended power range: 0~300KW power level, support other customization of other power, speed and torque levels;
●Recommended speed measurement range: 0~15000~20000 r/min;
●Recommended torque measurement range: 0~500N.m;
●Recommended test voltage level: DC: 0~800~1200V;
●Voltage/current measurement accuracy: ±0.01% of reading + ±0.03% of range;
●Measurement accuracy of basic electric power: ±0.03%;
●Speed measurement accuracy: ±1r/min;
●Torque measurement accuracy: ±0.05%F.S;
The basic scope and accuracy of the test of commercial vehicle motor on the trailer:
●Recommended power range: 0~400~500KW power level, support other customization of other power, speed and torque levels;
●Recommended speed measurement range: 0~3300~4500 r/min;
●Recommended torque measurement range: 0~3000~3700N.m;
●Recommended test voltage level: DC: 0~800~1200V;
●Voltage/current measurement accuracy: ±0.01% of reading + ±0.03% of range;
●Measurement accuracy of basic electric power: ±0.03%;
●Speed measurement accuracy: ±1r/min;
●Torque measurement accuracy: ±0.05%F.S;
The basic scope and accuracy of the logistics vehicle motor test on the trailer:
●Recommended power range: 0~200KW power level, support other customization of other power, speed and torque levels;
●Recommended speed measurement range: 0~6000~10000 r/min;
●Recommended torque measurement range: 0~1000~1500N.m;
●Recommended test voltage level: DC: 0~800~1200V;
●Voltage/current measurement accuracy: ±0.01% of reading + ±0.03% of range;
●Measurement accuracy of basic electric power: ±0.03%;
●Speed measurement accuracy: ±1r/min;
●Torque measurement accuracy: ±0.05%F.S;
The basic scope and accuracy of the heavy-duty truck motor to the trailer test:
●Recommended power range: 0~500~800KW power level, support other customization of other power, speed and torque levels;
●Recommended speed measurement range: 0~2800 r/min;
●Recommended torque measurement range: 0~10000N.m;
●Recommended test voltage level: DC: 0~800~1200V;
●Voltage/current measurement accuracy: ±0.01% of reading + ±0.03% of range;
●Measurement accuracy of basic electric power: ±0.03%;
●Speed measurement accuracy: ±1r/min;
●Torque measurement accuracy: ±0.05%F.S;
Test items:
Locked rotor test, load test, no-load test, temperature rise test, load characteristic test, endurance test, electric working conditions, power generation conditions, etc.
AT4000—New Energy Vehicle Motor Towing 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
04Environmental simulation equipment
Using compressor refrigeration and heating mode as the test piece environmental simulation equipment and temperature control system, the high temperature, low temperature, high humidity, low humidity environment of the test piece is simulated, which shortens the aging durability test time of the test piece, thereby increasing The entire R&D efficiency reduces the R&D cycle.
05Humanized design
The professional motor test bench is adopted. The fixture has a quick docking function, and it is easy to load and unload to adapt to the installation of different tested motors. The system operation adopts the piano table / cabinet + computer table control mode, which can complete the entire test operation layout in a single position.
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—New Energy Vehicle Motor Towing Test System—Main Application
●Passenger car drive motor and control system
●Commercial vehicle drive motor and control system
●Logistics vehicle drive motor and control system
●Heavy truck drive motor and control system
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