Sichuan Chengbang Haoran Measurement and Control Technology Co., Ltd.
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MT4000—Test System for Micro Motors for Household Appliances

Case Presentation

  MT4000—Test System of Micro Motor for Household Appliances—Product Background

  Overview:

  The application requirements of micromotors in the household appliance industry are becoming more and more extensive. The product performance and product quality must be ensured in product development and factory inspection. Therefore, it is particularly important to conduct strict testing and analysis of the performance of micromotors. According to the performance test part of the national standard GB/T 30549-2014 permanent magnet AC servo motor general technical conditions and refer to other national standard requirements and various servo motor test standards, the servo motor test purpose, test procedure and test method are tested for type verification. 

 

Bench picture

 

  Reference standard:

  ●GB/T 16439-2009 "AC Servo System General Technical Conditions" performance test part

  ●JB/T 10184-2000 general technical conditions of AC servo drive

  ●GB/T 30549-2014 General technical conditions for permanent magnet AC servo motors

  ●JB/T 10184-2014 General technical conditions for AC servo drives

  ●JB/T 11991-2014 AC Servo Motor for Industrial Machinery Digital Control System

  ●GBT 30549-2014 permanent magnet AC servo motor general technical conditions

  ●GBT 21418-2008 General technical conditions for permanent magnet brushless motor system

  ●GBT 16439-2009 General technical conditions for AC servo system

  ●GB/T 14817-2008 General technical conditions for permanent magnet DC servo motors

  ●GBT 1032-2012 Three-phase asynchronous motor test method

  ●GB/T 12350-2009 Safety requirements for small power motors

  ●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

  MT4000—Test System of Micro Motor for Household Appliances—Topological Structure

 

  Topological structure diagram

  MT4000—Household appliances micro-motor test system adopts modular and integrated design, the operating part is ergonomically designed, and can complete manual/automatic mode control. It consists of three parts: mechanical system, electrical system and upper computer software system.

  ●Mechanical system: the overall platform, loading system, quick clamping system, shaft connection part and other equipment.

  ●Electrical system: driving power (voltage regulator, controller, etc.) 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: 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.

  MT4000—Testing System of Micro Motor for Household Appliances—System Function

  Test range and accuracy:

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

  ●Test voltage level: 0~400V;

  ●Speed ​​range: 0~20000rpm;

  ●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:

  Insulation resistance test, no-load test, locked rotor test, temperature rise test, load test (efficiency, power factor, and slip rate determination), overspeed test, etc.

  MT4000—Test System for Micro Motors for Household Appliances—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/permanent magnet motor as the test motor load, changing the traditional load mode, improving the system's dynamic measurement range and accuracy of torque and speed, improving the loading performance (forward/reverse, reverse drag), and shortening the load response Time, can realize the loading of any load curve, highly simulating the real-time operating conditions of the motor/drive.

  05Humanized design

  The professional motor test bench is adopted. The fixture has three-dimensional adjustment function, and it is convenient to install and unload and adjust the coaxiality. It can be adapted to the installation of the tested motor of any shape. The system operation adopts the piano table control mode, which can complete all test operations in a single position. layout.

  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.

  MT4000—Test System for Micro Motors for Household Appliances—Main Application

  ●Household appliances drive motors (air conditioner compressors, fans, washing machine motors, etc.)

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