CN202057497U - Durability test device for pure electric vehicle power assemblies - Google Patents
Durability test device for pure electric vehicle power assemblies Download PDFInfo
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- CN202057497U CN202057497U CN2011201482696U CN201120148269U CN202057497U CN 202057497 U CN202057497 U CN 202057497U CN 2011201482696 U CN2011201482696 U CN 2011201482696U CN 201120148269 U CN201120148269 U CN 201120148269U CN 202057497 U CN202057497 U CN 202057497U
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 abstract description 5
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- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000000875 corresponding effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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Abstract
The utility model relates to a durability test device for pure electric vehicle power assemblies. The durability test device utilizes two sets of identical pure electric vehicle power assemblies as a driving system and a load system respectively, wherein a speed reducer of the driving system power assembly is connected with a speed reducer of the load system power assembly through a transmission shaft. An upper computer is respectively connected with motor controllers and speed reducer controllers of the driving system power assembly and the load system power assembly, and a power supply is respectively connected the driving system power assembly and the load system power assembly. Thus, the test system can simultaneously detect the two sets of power assemblies, and the power assembly as load generates electricity, imitates the efficacy of an electric dynamometer and feeds the generated electric energy back to the power assembly as drive. The durability test device for pure electric vehicle power assemblies has simple structure, high reliability, low cost, simple application mode and wider range of application.
Description
Technical field
The utility model relates to the electric vehicle engineering field, and particularly the drive system of electric automobile technical field specifically is meant a kind of pure electric automobile power assembly durable test device.
Background technology
The auto industry of China is in the fast-developing important opportunity phase, and following development and national economy must promote the demand bigger to automobile.Yet energy resource consumption that the automobile pollution of enormous amount causes and environmental pollution will have a strong impact on Chinese energy safety and social sustainable development times over our ability to bear.The exploitation of new-energy automobile and industrialization will be the important process of Chinese Automobile Industry ' in following one period.
Along with to the deepening continuously of electric vehicle R﹠D work, many advanced technologies are used to strengthen the market competitiveness of electric vehicle, wherein, are even more important about the research of electric vehicles traction electric machine and speed change system thereof.The drive system based on engine and wheel box of the electric vehicle drive system of being made up of traction electric machine, electric machine controller and speed reduction unit and traditional fuel-engined vehicle has distinct result and characteristic, so become the important topic of electric vehicle research and development for the research of electric vehicle drive system.
How to mate drive system better, detect the appropriate power assembly system performance of check and on this basis further the drive system of development of new also become one of important directions of electric vehicle research.As a kind of motor and speed change system thereof of specific use, the detection that the monitoring of electric vehicle drive system should be correlated with in existing standard card cage.
Traditional power assembly durability test method is tested as the load of motor and speed change system for adopting electric dynamometer, though the electric energy that consumes in the test process can feed back on the electrical network, saved the energy, but the infusion of financial resources of electric dynamometer equipment is more, every same time of dynamometer system can only be done the durability test of single cover system, is not suitable for examining the permanance of be pilot.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of other dynamometer machine equipment that need not is provided, and a tested power assembly is also generated electricity as load, simulation dynamometer machine effect, and feedback generate electricity can, and simple in structure, with low cost, application mode is easy, and range of application is the pure electric automobile power assembly durable test device comparatively widely.
Pure electric automobile power assembly comprises electric machine controller, the speed reduction unit of motor, the described motor of connection and connects the speed reduction unit controller of described speed reduction unit that described speed reduction unit is connected in the main shaft of described motor.
In order to realize above-mentioned purpose, pure electric automobile power assembly durable test device of the present utility model has following formation:
The principal feature of this pure electric automobile power assembly durable test device is, it comprises the identical described pure electric automobile power assembly of two covers, power supply and host computer, described two overlap identical pure electric automobile power assembly respectively as drive system and load system, the speed reduction unit of described drive system power assembly connects the speed reduction unit of described load system power assembly by transmission shaft, described host computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively, and described power supply connects described drive system power assembly and load system power assembly respectively.
In this pure electric automobile power assembly durable test device, described power supply is a high-power DC power supply, the positive pole of described high-power DC power supply is by the connect current input terminal of described drive system electric machine controller and drive system motor of a diode sequence, and the negative pole of described high-power DC power supply connects the current output terminal of described load system motor by described load system electric machine controller.
In this pure electric automobile power assembly durable test device, described host computer is a computer, and described computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively.
In this pure electric automobile power assembly durable test device, described computer expert crosses electric machine controller and the speed reduction unit controller that the binary channels bus connects described drive system power assembly and load system power assembly respectively.
In this pure electric automobile power assembly durable test device, described pure electric automobile power assembly durable test device also comprises cooling system, and described cooling system connects the motor of described drive system power assembly and the motor and the electric machine controller of electric machine controller and described load system power assembly respectively.
In this pure electric automobile power assembly durable test device, described cooling system comprises water tank of vehicle and vehicle water pump, and the water delivering orifice of described water tank of vehicle is communicated with the water inlet of described drive system electric machine controller, load system electric machine controller, load system motor, drive system motor and water tank of vehicle in proper order through described vehicle water pump.
Adopted the pure electric automobile power assembly durable test device of this utility model, because it utilizes the identical pure electric automobile power assembly of two covers respectively as drive system and load system, wherein, the speed reduction unit of drive system power assembly connects the speed reduction unit of load system power assembly by transmission shaft, host computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively, described power supply connects described drive system power assembly and load system power assembly respectively, make this test macro to detect two cover power assemblies simultaneously, power assembly as load generates electricity, simulate the effect of electric dynamometer, and the electric energy that sends is fed back to as the power assembly that drives.Pure electric automobile power assembly durable test device of the present utility model is simple in structure, the reliability height, and with low cost, application mode is easy, and range of application is comparatively extensive.
Description of drawings
Fig. 1 is the structural representation of pure electric automobile power assembly durable test device of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, be the structural representation of pure electric automobile power assembly durable test device of the present utility model.
In one embodiment, described pure electric automobile power assembly comprises electric machine controller, the speed reduction unit of motor, the described motor of connection and connects the speed reduction unit controller of described speed reduction unit that described speed reduction unit is connected in the main shaft of described motor.Described pure electric automobile power assembly durable test device comprises the identical described pure electric automobile power assembly of two covers, power supply and host computer, described two overlap identical pure electric automobile power assembly respectively as drive system and load system, the speed reduction unit of described drive system power assembly connects the speed reduction unit of described load system power assembly by transmission shaft, the speed ratio of described drive system speed reduction unit is identical with the speed ratio of the speed reduction unit of described load system, be 7.45, the output torque of described drive system motor is identical with the input torque of described load system motor.Described host computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively, and described power supply connects described drive system power assembly and load system power assembly respectively.
In a kind of more preferably embodiment, described power supply is a high-power DC power supply, the positive pole of described high-power DC power supply is by the connect current input terminal of described drive system electric machine controller and drive system motor of a diode sequence, and the negative pole of described high-power DC power supply connects the current output terminal of described load system motor by described load system electric machine controller.
More preferably in the embodiment, described host computer is a computer at another kind, and described computer expert crosses electric machine controller and the speed reduction unit controller that the binary channels bus connects described drive system power assembly and load system power assembly respectively.
In further preferred embodiment, described pure electric automobile power assembly durable test device also comprises cooling system, and described cooling system connects the motor of described drive system power assembly and the motor and the electric machine controller of electric machine controller and described load system power assembly respectively.
In preferred embodiment, described cooling system comprises water tank of vehicle and vehicle water pump, and the water delivering orifice of described water tank of vehicle is communicated with the water inlet of described drive system electric machine controller, load system electric machine controller, load system motor, drive system motor and water tank of vehicle in proper order through described vehicle water pump.
In actual applications, pure electric automobile power assembly durable test device of the present utility model is made up of two cover motors and control system thereof, two cover speed reduction units and control system thereof, high-power DC power supply, host computer monitor control system, cooling system five parts.Adjusting advantage with flexible and efficient speed and torque.The annexation of each several part as shown in Figure 1.Its adopts the control system of own exploitation, and a cover power assembly system is as drive system, and an other cover power assembly system is as load, and for braking and generated energy recovery provide condition, the realization energy circulation reaches purpose of energy saving.Concrete structure of the present invention is as follows:
Motor and speed reduction unit are by the test fixture mechanical connection, and electric machine controller is connected by high-tension cable with motor, and host computer monitoring software is directly controlled the motor operating mode.Connect by transmission shaft between two cover power assembly systems, the speed reduction unit speed ratio is 7.45.Drive motor enlarges 7.45 times with driving torque by speed reduction unit one, and speed reduction unit one is connected with speed reduction unit two by transmission shaft, by speed reduction unit two, dwindles 7.45 times with moment of torsion is corresponding, makes load motor and drive motor export same torque.Use 1 high-power DC power supply cabinet to provide direct supply to power assembly system, diode of cathode output end series connection at power cabinet, both can prevent that inverse current from impacting power cabinet, the electric energy that load motor is produced feeds back to the drive motor direct-flow input end, for electric system regenerative braking test provides necessary support, saves energy.Use Two Channels CAN card and a computer, controlling and driving motor and load motor operating mode can be tested the simulation of variable load, loading etc. at random road conditions, and be carried out the whole system condition monitoring simultaneously.Simultaneously, use water tank of vehicle and water pump, cool off, can better simulate entrucking operating mode heat dissipation environment as whole system.
Pure electric automobile power assembly durable test device of the present utility model can be applied to the detection of 20kw or 40kw electric power assembly system, the speed reduction unit of two cover systems carries out mechanical connection by transmission shaft, use host computer to control the output operating mode of 2 motors simultaneously, drive motor uses the torque ring mode, load motor uses the der Geschwindigkeitkreis pattern, control whole system rotating speed.If calculate with load 20kw, system per hour power consumption is about 3kw, effectively saves energy.
Pure electric automobile power assembly durable test device of the present utility model has following beneficial effect:
1, uses motor driven systems to be measured to substitute the dynamometer system of outsourcing, reduced the detection cost;
2, can detect the reliability of two cover power assembly systems simultaneously, improve testing efficiency;
3, control motor movement automatically by the parameter setting of control system.Can realize that the permanent load/constant speed varying load of constant speed/permanent load/simcity operating mode of speed change and suburb operating mode carry out various modes such as stress alternation and test;
4, load motor can be used as generator and uses, and the electric energy of generation circulates in internal system, and energy savings meets the target of sustainable development of energy-saving low-carbon.
Adopted the pure electric automobile power assembly durable test device of this utility model, because it utilizes the identical pure electric automobile power assembly of two covers respectively as drive system and load system, wherein, the speed reduction unit of drive system power assembly connects the speed reduction unit of load system power assembly by transmission shaft, host computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively, described power supply connects described drive system power assembly and load system power assembly respectively, make this test macro to detect two cover power assemblies simultaneously, power assembly as load generates electricity, simulate the effect of electric dynamometer, and the electric energy that sends is fed back to as the power assembly that drives.Pure electric automobile power assembly durable test device of the present utility model is simple in structure, the reliability height, and with low cost, application mode is easy, and range of application is comparatively extensive.
In this instructions, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. pure electric automobile power assembly durable test device, described pure electric automobile power assembly comprises motor, the electric machine controller that connects described motor, speed reduction unit and connect the speed reduction unit controller of described speed reduction unit, described speed reduction unit is connected in the main shaft of described motor, it is characterized in that, described pure electric automobile power assembly durable test device comprises the identical described pure electric automobile power assembly of two covers, power supply and host computer, described two overlap identical pure electric automobile power assembly respectively as drive system and load system, the speed reduction unit of described drive system power assembly connects the speed reduction unit of described load system power assembly by transmission shaft, described host computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively, and described power supply connects described drive system power assembly and load system power assembly respectively.
2. pure electric automobile power assembly durable test device according to claim 1, it is characterized in that, described power supply is a high-power DC power supply, the positive pole of described high-power DC power supply is by the connect current input terminal of described drive system electric machine controller and drive system motor of a diode sequence, and the negative pole of described high-power DC power supply connects the current output terminal of described load system motor by described load system electric machine controller.
3. pure electric automobile power assembly durable test device according to claim 1, it is characterized in that, described host computer is a computer, and described computer connects the electric machine controller and the speed reduction unit controller of described drive system power assembly and load system power assembly respectively.
4. pure electric automobile power assembly durable test device according to claim 3, it is characterized in that described computer expert crosses electric machine controller and the speed reduction unit controller that the binary channels bus connects described drive system power assembly and load system power assembly respectively.
5. according to each described pure electric automobile power assembly durable test device in the claim 1 to 4, it is characterized in that, described pure electric automobile power assembly durable test device also comprises cooling system, and described cooling system connects the motor of described drive system power assembly and the motor and the electric machine controller of electric machine controller and described load system power assembly respectively.
6. pure electric automobile power assembly durable test device according to claim 5, it is characterized in that, described cooling system comprises water tank of vehicle and vehicle water pump, and the water delivering orifice of described water tank of vehicle is communicated with the water inlet of described drive system electric machine controller, load system electric machine controller, load system motor, drive system motor and water tank of vehicle in proper order through described vehicle water pump.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011201482696U CN202057497U (en) | 2011-05-11 | 2011-05-11 | Durability test device for pure electric vehicle power assemblies |
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| CN2011201482696U CN202057497U (en) | 2011-05-11 | 2011-05-11 | Durability test device for pure electric vehicle power assemblies |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707715A (en) * | 2012-06-18 | 2012-10-03 | 苏州欧拓电子科技有限公司 | Device for testing motor controller of electric vehicle |
| CN102818993A (en) * | 2012-07-31 | 2012-12-12 | 奇瑞汽车股份有限公司 | Endurance test bench of electric drive system for electrombile |
| 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 |
| CN108414244A (en) * | 2018-05-04 | 2018-08-17 | 重庆凯瑞汽车试验设备开发有限公司 | A kind of power assembly of electric automobile real vehicle simulation test bench and its test method |
| CN109029946A (en) * | 2018-06-28 | 2018-12-18 | 联合汽车电子有限公司 | Motor stator durability test apparatus and test method |
| CN110864912A (en) * | 2019-11-26 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Electric vehicle power assembly bench test system |
| CN111380698A (en) * | 2020-03-06 | 2020-07-07 | 浙江零跑科技有限公司 | Be used for new energy automobile to drive power assembly to dragging test bench structure |
| CN112834838A (en) * | 2020-12-26 | 2021-05-25 | 中国汽车工程研究院股份有限公司 | Electric drive assembly test device |
-
2011
- 2011-05-11 CN CN2011201482696U patent/CN202057497U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707715A (en) * | 2012-06-18 | 2012-10-03 | 苏州欧拓电子科技有限公司 | Device for testing motor controller of electric vehicle |
| CN102818993A (en) * | 2012-07-31 | 2012-12-12 | 奇瑞汽车股份有限公司 | Endurance test bench of electric drive system for electrombile |
| 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 |
| CN108414244A (en) * | 2018-05-04 | 2018-08-17 | 重庆凯瑞汽车试验设备开发有限公司 | A kind of power assembly of electric automobile real vehicle simulation test bench and its test method |
| CN108414244B (en) * | 2018-05-04 | 2020-11-10 | 重庆凯瑞汽车试验设备开发有限公司 | Electric automobile power assembly real vehicle simulation test bed and test method thereof |
| CN109029946A (en) * | 2018-06-28 | 2018-12-18 | 联合汽车电子有限公司 | Motor stator durability test apparatus and test method |
| CN110864912A (en) * | 2019-11-26 | 2020-03-06 | 安徽江淮汽车集团股份有限公司 | Electric vehicle power assembly bench test system |
| CN111380698A (en) * | 2020-03-06 | 2020-07-07 | 浙江零跑科技有限公司 | Be used for new energy automobile to drive power assembly to dragging test bench structure |
| CN112834838A (en) * | 2020-12-26 | 2021-05-25 | 中国汽车工程研究院股份有限公司 | Electric drive assembly test device |
| CN112834838B (en) * | 2020-12-26 | 2024-03-08 | 中国汽车工程研究院股份有限公司 | Electric drive assembly testing device |
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Granted publication date: 20111130 Termination date: 20180511 |