CN102818993A - Endurance test bench of electric drive system for electrombile - Google Patents

Endurance test bench of electric drive system for electrombile Download PDF

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Publication number
CN102818993A
CN102818993A CN2012102689448A CN201210268944A CN102818993A CN 102818993 A CN102818993 A CN 102818993A CN 2012102689448 A CN2012102689448 A CN 2012102689448A CN 201210268944 A CN201210268944 A CN 201210268944A CN 102818993 A CN102818993 A CN 102818993A
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CN
China
Prior art keywords
control
control system
temperature
testing
electric motors
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Pending
Application number
CN2012102689448A
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Chinese (zh)
Inventor
裴善忠
孙玉玲
刘艳
李陈勇
薛国正
王明胜
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Chery Automobile Co Ltd
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SAIC Chery Automobile Co Ltd
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Priority to CN2012102689448A priority Critical patent/CN102818993A/en
Publication of CN102818993A publication Critical patent/CN102818993A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an endurance test bench of an electric drive system for an electrombile. The endurance test bench is characterized in that after a test motor is controlled by a test motor controller to be connected with a dynamometer and a control system of the dynamometer, and the endurance test bench is arranged on the floor of the test bench; the test motor is covered by a climate box and a control system of the climate box; a water box and a temperature control system of the water box are connected with a cooling cycle of the test motor; and the dynamometer and the control system of the dynamometer, the climate box and the control system of the climate box, and the water box and the temperature control system of the water box are connected with a central control system respectively. With the adoption of the structure, the test bench has the following advantages: 1. the cyclic changes of the environmental temperature, the cooling medium temperature and the load are introduced into an endurance test process, so that the comprehensive test is realized; 2. the operation is convenient, so that each component is conveniently controlled; 3. the test data is collected in real time, so that the accuracy rate is high.

Description

A kind of durable test stand of electric vehicle power drive system
Technical field
The present invention relates to the power drive system of electric automobile, particularly a kind of durable test stand of electric vehicle power drive system.
Background technology
Along with the energy and environment requirement provide, electric automobile is greatly developed.The reliability requirement of electric automobile is increasingly high when being accompanied by the industrialized development of electric motor car, and this just need must have the very rigorous system of a cover, the reliability of examination power drive system in Product Validation.
The durable test stand of present traditional electrical drive system; Only examine the operation life of motor, and do not pay close attention to the variation of environment temperature, the variation of cool cycles; Reduction to the insulating material of motor; The thermal expansivity of storeroom is different, the variation of the physical strength that causes, and life-span of permanent magnetic material or the like influence.Because the complicacy and the car load factor affected by environment of Full Vehicle System are very big again, the very perfect durable platform system of a cover is examined very important to the reliability of Electrical Driving System of Electrical Vehicle.
A kind of comprehensive durable engine bench test stand is provided, can be with the environment temperature circulation change, the circulation change of coolant temperature; The circulation change of load; Introducing the durable test process, take into full account the influence of temperature cycles to life of product, is the problem that prior art need solve.
Summary of the invention
Technical matters to be solved by this invention is, a kind of durable test stand of electric vehicle power drive system is provided, and can carry out comprehensive durable test stand to provide a kind of.
For solving the problems of the technologies described above; Technical scheme of the present invention is; A kind of durable test stand of electric vehicle power drive system; It is characterized in that: described testboard bay is controlled for the testing of electric motors controller and is placed on the testboard bay floor after testing of electric motors is connected to dynamometer machine and control system thereof, and climate box and control system thereof cover testing of electric motors, and water tank and temperature control system thereof insert in the cool cycles of testing of electric motors; Dynamometer machine and control system thereof, climate box and control system, water tank and temperature control system thereof are connected respectively to central control system.Thereby with the environment temperature circulation change, the circulation change of coolant temperature, the circulation change of load is introduced the durable test process, makes test result more comprehensively accurately.
Described climate box and control system thereof are climate box control module control climate box body, and the climate box body covers testing of electric motors and is placed on the testboard bay floor, thereby realizes the control to the testing of electric motors ambient temperature.
Described water tank and temperature control system thereof are to be provided with water route temperature sensor, circulation waterway water pump, heating radiator, water circulating pump flowmeter in the circulation waterway of water tank, and circulation waterway is linked in the cool cycles of testing of electric motors; Cool cycles overhead control unit is to the rotation of fan on the water temperature collection in the water tank and control and the control heating radiator.
Be provided with heating arrangement in the described water tank.
Described dynamometer machine and control system thereof are that testing of electric motors connects rotating speed torque sensor access dynamometer machine and test data is fed back to the Dynamometer Control device, to realize the test to testing of electric motors power.
It is the high-voltage DC power supply cabinet that described testboard bay is provided with the battery simulator system, and the high-voltage DC power supply cabinet is Dynamometer Control device, testing of electric motors controller, climate box controller, the power supply of cool cycles overhead control unit.
Described central control system is a central control board, and central control board control high-voltage DC power supply cabinet is realized the programming of busbar voltage fluctuation and to the monitoring of dc bus state; Central control board control Dynamometer Control device is realized to the control of rotating speed and moment of torsion and to the input current of testing of electric motors controller and voltage and the monitoring of exporting torque and rotating speed; Central control board control cool cycles overhead control unit is realized by the cycle control of the temperature of measured motor chilled water and flow control, and the timely information and the historical record of record and demonstration chilling temperature and flow; Central control board control climate box control module is realized the in good time control to the temperature and humidity of the environment of testing of electric motors, and record and display environment temperature and humidity timely information and historical record.
A kind of durable test stand of electric vehicle power drive system, owing to adopt said structure, this testboard bay has the following advantages: 1, with the environment temperature circulation change; The circulation change of coolant temperature; The circulation change of load is introduced the durable test process, realizes omnibearing test; 2, easy to operate, be convenient to each parts are controlled; 3, test data is gathered in real time, accuracy rate is high.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation;
Fig. 1 is the structural representation of the durable test stand of a kind of electric vehicle power drive system of the present invention;
In Fig. 1,1, the climate box control module; 2, testing of electric motors; 3, testing of electric motors controller; 4, climate box body; 5, central control board; 6, water route temperature sensor; 7, circulation waterway water pump; 8, water circulating pump flowmeter; 9, water tank; 10, heating radiator; 11, cool cycles overhead control unit; 12, rotating speed torque sensor; 13, dynamometer machine; 14, testboard bay floor; 15, Dynamometer Control device; 16, high-voltage DC power supply cabinet.
Embodiment
As shown in Figure 1, the present invention can comprise following several system by functional module: (one) climate box and control system thereof; Be responsible for the tested drive motor ambient temperature operating mode of control; (2) water tank and temperature control system thereof are responsible for the cycle control of the tested drive motor cooling water temperature of control; (3) dynamometer machine control system extremely; Extremely power measurement function of generating or electronic state of cyclic operation load is provided; (4). the battery simulator system, be responsible for by measured motor direct supply being provided, and can the state of cyclic operation power supply be provided simulated battery.(5) central control system is responsible for the control of whole stand.
Concrete; The present invention controls for testing of electric motors controller 3 and is placed on the testboard bay floor 14 after testing of electric motors 2 are connected to dynamometer machine and control system thereof; Climate box and control system thereof cover testing of electric motors 2, and water tank and temperature control system thereof insert in the cool cycles of testing of electric motors 2; Dynamometer machine and control system thereof, climate box and control system, water tank and temperature control system thereof are connected respectively to central control system.Thereby with the environment temperature circulation change, the circulation change of coolant temperature, the circulation change of load is introduced the durable test process, makes test result more comprehensively accurately.
Climate box and control system thereof are climate box control module 1 control climate box body 4, and climate box body 4 covers testing of electric motors 2 and is placed on the testboard bay floor 14, thereby realizes the control to testing of electric motors 2 ambient temperatures.
Water tank and temperature control system thereof are to be provided with water route temperature sensor 6, circulation waterway water pump 7, heating radiator 10, water circulating pump flowmeter 8 in the circulation waterway of water tank 9, and circulation waterway is linked in the cool cycles of testing of electric motors 2; The rotation of fan on water temperature collection in 11 pairs of water tanks in cool cycles overhead control unit 9 and control and the control heating radiator 10.Be provided with heating arrangement in the water tank 9.
Dynamometer machine and control system thereof are that testing of electric motors 2 connects rotating speed torque sensor 12 access dynamometer machines 13 and test data is fed back to Dynamometer Control device 15, to realize the test to testing of electric motors 2 power.
It is high-voltage DC power supply cabinet 16 that testboard bay is provided with the battery simulator system, and high-voltage DC power supply cabinet 16 is Dynamometer Control device 15, testing of electric motors controller 3, climate box controller 1,11 power supplies of cool cycles overhead control unit.
Central control system is a central control board 5, and central control board 5 control high-voltage DC power supply cabinets 16 are realized the programming of busbar voltages fluctuation and to the monitoring of dc bus state; Central control board 5 control Dynamometer Control devices 15 are realized to the control of rotating speed and moment of torsion and to the input current of testing of electric motors controller 3 and voltage and the monitoring of exporting torque and rotating speed; Central control board 5 control cool cycles overhead control unit 11 are realized by the cycle control of the temperature of measured motor chilled water and flow control, and the timely information and the historical record of record and demonstration chilling temperature and flow; Central control board 5 control climate box control modules 1 are realized the in good time control to the temperature and humidity of the environment of testing of electric motors 2, and record and display environment temperature and humidity timely information and historical record.
Carry out concrete description in the face of each system down:
(1) climate box and control system thereof: it comprises climate box control module 1, climate box body 4.Climate box body 4 provides an airtight space with the testboard bay integrator, and the through-drive interface is provided, and temperature control and humidity control can be provided, and is installed in inside by measured motor and controller.Climate box control module 1 is responsible for accepting from 5 controls of testboard bay central control board about weather control work condition information; And control climate box body 4 and carry out the control and the monitoring of temperature and humidity, and actual humiture and humidity are fed back to plan testboard bay central control board 5 in good time.
(2) water tank and temperature control system thereof: it comprises cool cycles overhead control unit 11, water route temperature sensor 6, and circulation waterway water pump 7, water circulating pump flowmeter 8 has the water tank 9 of heating arrangement, has the heating radiator 10 of radiator fan.Testboard bay central control board 5 is responsible for accepting about cooling water flow and temperature controlling instruction in cool cycles overhead control unit 11, and feeds back actual control system according to the detection of water route temperature sensor 6 and water circulating pump flowmeter 8; And through the closed-loop control of circulation waterway water pump 7 realizations to discharge, through water circulating pump flowmeter 8, water tank 9; The closed-loop control that heating radiator 10 is realized temperature; When water route temperature sensor 6, the temperature of feedback is lower than the controlled target temperature value, starts the heating arrangement of the water tank 9 that has heating arrangement; Water is heated to desired value, lowers the temperature otherwise start the 10 pairs of chilled waters of heating radiator that have radiator fan.
(3) dynamometer machine control system extremely: comprise Dynamometer Control device 15, dynamometer machine 13, rotating speed torque sensor 12 testboard bay floors 14.Testboard bay floor 14 provides dynamometer machine 13, testing of electric motors 2, and the mounting platform of rotating speed torque sensor 12 and climate box body 4 has to support vibration-damping function is installed; Rotating speed torque sensor 12 is responsible for feeding back walk around speed and Dynamometer Control device 15 in good time; Dynamometer Control device 15 is formed the four quadrant running that loading section can be realized motor with dynamometer machine 13, and Dynamometer Control device 15 is responsible for receiving the steering order of central control board 5 about loading section, and realizes steering order through control dynamometer machine 13.
(4) battery simulator system: comprise high-voltage DC power supply cabinet 16; It has the bi-directional power mapping function; Can external commercial power be transformed into free voltage grade direct current; Flow to dynamometer machine and, confirm its mode of operation and operating mode, and timely information is fed back to central control board 5 through the instruction of accepting central control board 5 by measured motor.
(5) central control system: comprise testboard bay central control board 5; Be responsible for central authorities' control of whole test system, man-machine interface can be provided, the experimenter can pass through this platform; Carry out tested rotating speed of motor moment of torsion state of cyclic operation programming; By the programming of the state of cyclic operation of the temperature of the cooling system of measured motor and flow, by the programming of the temperature humidity climatic environment state of cyclic operation of measured motor, and the online demonstration and the historical record of ability implementation procedure data.Central control board 5 is through the control to high-voltage DC power supply cabinet 16, realizes the programming of busbar voltage fluctuation and to the monitoring of dc bus state; Through to 15 controls of Dynamometer Control device, can realize the cycle control of rotating speed and moment of torsion and can realize timing monitoring system effectiveness to the input current of motor to be tested and controller and the monitoring of voltage and output torque and rotating speed; Can realize by the cycle control of the temperature of measured motor chilled water and flow control through control cool cycles overhead control unit 11, and the timely information and the historical record of record and demonstration chilling temperature and flow; Through control to climate box control module 1, can realize in good time control to the temperature and humidity of the environment of testing of electric motors, and record and display environment temperature and humidity timely information and historical record.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having adopted technical scheme of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.

Claims (8)

1. the durable test stand of an electric vehicle power drive system; It is characterized in that: described testboard bay is to be placed on the testboard bay floor (14) after testing of electric motors controller (3) control testing of electric motors (2) is connected to dynamometer machine and control system thereof; Climate box and control system thereof cover testing of electric motors (2), and water tank and temperature control system thereof insert in the cool cycles of testing of electric motors (2); Dynamometer machine and control system thereof, climate box and control system, water tank and temperature control system thereof are connected respectively to central control system.
2. the durable test stand of a kind of electric vehicle power drive system according to claim 1; It is characterized in that: described climate box and control system thereof are climate box control module (1) control climate box body (4), and climate box body (4) covers testing of electric motors (2) and is placed on the testboard bay floor (14).
3. the durable test stand of a kind of electric vehicle power drive system according to claim 1; It is characterized in that: described water tank and temperature control system thereof are to be provided with water route temperature sensor (6), circulation waterway water pump (7), heating radiator (10), water circulating pump flowmeter (8) in the circulation waterway of water tank (9), and circulation waterway is linked in the cool cycles of testing of electric motors (2); Cool cycles overhead control unit (11) is to the water temperature collection in the water tank (9) and control and the upward rotation of fan of control heating radiator (10).
4. the durable test stand of a kind of electric vehicle power drive system according to claim 3 is characterized in that: described water tank is provided with heating arrangement in (9).
5. the durable test stand of a kind of electric vehicle power drive system according to claim 1 is characterized in that: described dynamometer machine and control system thereof are that testing of electric motors (2) connects rotating speed torque sensor (12) access dynamometer machine (13) and test data is fed back to Dynamometer Control device (15).
6. the durable test stand of a kind of electric vehicle power drive system according to claim 1 is characterized in that: it is high-voltage DC power supply cabinet (16) that described testboard bay is provided with the battery simulator system.
7. according to the durable test stand of claim 1 or 2 or 3 or 5 or 6 described a kind of electric vehicle power drive systems, it is characterized in that: described high-voltage DC power supply cabinet (16) is Dynamometer Control device (15), testing of electric motors controller (3), climate box controller (1), cool cycles overhead control unit (11) power supply.
8. according to the durable test stand of claim 1 or 2 or 3 or 5 or 6 described a kind of electric vehicle power drive systems; It is characterized in that: described central control system is central control board (5), and central control board (5) control high-voltage DC power supply cabinet (16) is realized the programming of busbar voltage fluctuation and to the monitoring of dc bus state; Central control board (5) control Dynamometer Control device (15) is realized to the control of rotating speed and moment of torsion and to the input current of testing of electric motors controller (3) and voltage and the monitoring of exporting torque and rotating speed; Central control board (5) control cool cycles overhead control unit (11) is realized by the cycle control of the temperature of measured motor chilled water and flow control, and the timely information and the historical record of record and demonstration chilling temperature and flow; Central control board (5) control climate box control module (1) is realized the in good time control to the temperature and humidity of the environment of testing of electric motors (2), and record and display environment temperature and humidity timely information and historical record.
CN2012102689448A 2012-07-31 2012-07-31 Endurance test bench of electric drive system for electrombile Pending CN102818993A (en)

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Cited By (12)

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Publication number Priority date Publication date Assignee Title
CN103235261A (en) * 2013-04-22 2013-08-07 联合汽车电子有限公司 System and method thereof for testing endurance of symmetrical motor
CN104345728A (en) * 2014-11-24 2015-02-11 东风汽车公司 Thermal cycle durability testing device of driving motor controller
CN104502121A (en) * 2014-12-26 2015-04-08 重庆长安汽车股份有限公司 Performance testing device for power coupling system
CN105116176A (en) * 2015-09-08 2015-12-02 宁波拓普智能刹车***有限公司 Test bench for testing working conditions of motor under different temperature environments
CN105137353A (en) * 2015-08-26 2015-12-09 中国石油集团渤海钻探工程有限公司 Loaded motor test device in wide temperature environment
DE102015102848A1 (en) * 2015-02-27 2016-09-01 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Test bench for an electrical machine of a motor vehicle
CN106324500A (en) * 2016-08-03 2017-01-11 成都华川电装有限责任公司 Electric motor durability testing device
CN108801650A (en) * 2018-06-05 2018-11-13 苏州云意驱动***有限公司 A kind of New energy automobile motor power assembly test system
CN111856280A (en) * 2020-08-14 2020-10-30 上海法雷奥汽车电器***有限公司 Gear-driven starting and starting integrated motor durability testing device and testing method
CN112485669A (en) * 2020-11-09 2021-03-12 广东立佳实业有限公司 Dual drive motor reliability testing arrangement
CN114019271A (en) * 2021-10-14 2022-02-08 武汉理工大学 Environment adaptability durability test bed and test method for hub motor
CN114778141A (en) * 2022-06-17 2022-07-22 岚图汽车科技有限公司 Method, device and equipment for formulating durability test of automobile electric drive assembly rack

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CN103235261A (en) * 2013-04-22 2013-08-07 联合汽车电子有限公司 System and method thereof for testing endurance of symmetrical motor
CN104345728A (en) * 2014-11-24 2015-02-11 东风汽车公司 Thermal cycle durability testing device of driving motor controller
CN104502121A (en) * 2014-12-26 2015-04-08 重庆长安汽车股份有限公司 Performance testing device for power coupling system
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CN105116176A (en) * 2015-09-08 2015-12-02 宁波拓普智能刹车***有限公司 Test bench for testing working conditions of motor under different temperature environments
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CN108801650A (en) * 2018-06-05 2018-11-13 苏州云意驱动***有限公司 A kind of New energy automobile motor power assembly test system
CN108801650B (en) * 2018-06-05 2024-06-04 江苏云意驱动***有限公司 New energy automobile motor power assembly test system
CN111856280A (en) * 2020-08-14 2020-10-30 上海法雷奥汽车电器***有限公司 Gear-driven starting and starting integrated motor durability testing device and testing method
CN112485669A (en) * 2020-11-09 2021-03-12 广东立佳实业有限公司 Dual drive motor reliability testing arrangement
CN114019271A (en) * 2021-10-14 2022-02-08 武汉理工大学 Environment adaptability durability test bed and test method for hub motor
CN114019271B (en) * 2021-10-14 2022-08-16 武汉理工大学 Environment adaptability durability test bed and test method for hub motor
CN114778141A (en) * 2022-06-17 2022-07-22 岚图汽车科技有限公司 Method, device and equipment for formulating durability test of automobile electric drive assembly rack

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Application publication date: 20121212