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Hybrid power automobile drive electric motor test bench and test method

A motor test and bench technology, which is applied in the direction of motor generator test, vehicle test, machine/structural component test, etc. It can solve the problems of single voltage level, energy saving and different voltage levels, etc., so as to achieve less energy loss Effect

Active Publication Date: 2008-08-13
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current motor test bench, often the test object is a single voltage level, which cannot take into account energy saving and different voltage levels. Once the test object changes, the dynamometer system needs to be replaced

Method used

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  • Hybrid power automobile drive electric motor test bench and test method
  • Hybrid power automobile drive electric motor test bench and test method

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Embodiment Construction

[0008] The implementation of the present application will be further described in conjunction with the accompanying drawings.

[0009] Fig. 1 shows the overall structure of the motor test system in the present invention, and the whole test system is divided into three main parts: a bench part 1, which mainly includes: a motor under test and a control system 11, a torque / speed sensor 12, a Power machine and control system 13, water cooling system 14, power supply, etc. 15; dynamometer part 2 mainly includes: power analyzer 21, signal conditioning circuits 22, 23 for collecting signals, etc.; control part 3 mainly includes: control computer 31, Data acquisition and control cards 32, 33, 34, etc.

[0010] Figure 2 is a schematic diagram of the motor testing system in this application. When the voltage level of the system under test is consistent with the load system, the motor 4 under test and the dynamometer 5 run on the DC bus 6, and the energy is directly fed back on the DC b...

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Abstract

The present invention relates to test table for driving motor of hybrid electric vehicle to finish capability test of driving motor of hybrid electric vehicle and debugging function of control software. The table system has simple structure, convenient operation and maintains and high test precision. When the grades of motor and load voltage are identical, the system can work parallel with DC generatrix and feed back energy, the energy lose is less, the power supply need to provide system loss energy is about 10% to 20%, the cost is reduced greatly and the requirement of capacity of power supply is little. When the grades of motor and load voltage aren't identical, two complexions are happened, when motor is as driver, energy is applied to load resistance box by dynamometer system or power supply; when the motor is as generator, the energy is applied to load resistance box by power supply.

Description

technical field [0001] The invention relates to a test bench and a test method for a driving motor of a hybrid electric vehicle. Background technique [0002] The driving motor in the hybrid electric vehicle system plays a very important role in the whole hybrid powertrain, and its basic performance and control effect directly affect the performance index of the whole vehicle. Therefore, a good hybrid drive motor test system is of great significance to the development and application manufacturers of motors and their controllers. A good test system can not only help developers and application personnel analyze Some failure phenomena in the process, and quickly find and solve product problems, can also quickly evaluate the performance of the product, and improve the speed of product development and application efficiency. The current motor test bench often has a single voltage level as the test object, which cannot take into account energy saving and different voltage levels...

Claims

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Application Information

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IPC IPC(8): G01R31/34G01M17/007
Inventor 刘艳
Owner CHERY AUTOMOBILE CO LTD
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