CN202121496U - Automobile motor mutual-driving testing power source - Google Patents
Automobile motor mutual-driving testing power source Download PDFInfo
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- CN202121496U CN202121496U CN 201120239568 CN201120239568U CN202121496U CN 202121496 U CN202121496 U CN 202121496U CN 201120239568 CN201120239568 CN 201120239568 CN 201120239568 U CN201120239568 U CN 201120239568U CN 202121496 U CN202121496 U CN 202121496U
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000011056 performance test Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to an automobile motor mutual-driving testing power source, which comprises an AC (alternating current)/DC (direct current) rectification filtering power module, two DC/DC conversion modules, a load motor and a tested motor. The AC/DC rectification filtering power module comprises an AC input interface and an output interface, each DC/DC conversion module comprises a DC input port and a DC output port, the AC input interface is connected with a three-phase power line of a power grid, the output interface is connected with the DC input port through the power line, and the DC output port is connected with the tested motor through the power line. The automobile motor mutual-driving testing power source is mainly used for electric vehicle motor mutual-driving test platforms and applicable to test platforms for frequency converter performance tests, direct-current speed regulator performance tests and the like.
Description
Technical field
The utility model relates to a kind of battery simulator, is specifically related to a kind ofly use the electric motor of automobile testing power supply to dragging.
Background technology
At present; Adopt two kinds of methods to carry out mostly to dragging with power supply: the one, the serial connection load resistance consumes feedback electric energy; Be dispersed in electric energy consumption in the heating of high-power resistance, therefore, whenever carry out a large amount of electric energy of mechanical back to back test consumption one time; And will in time keep watch on the variation of supply voltage, in case the excessive voltage pulsation takes place; Another kind is to adopt controllable silicon active inversion mode to supply power, and this mode is with the feeding electric energy electrical network, to reach energy-saving and cost-reducing purpose; Though this mode can return to electrical network with energy and play energy-conserving action,, contain a large amount of high order harmonic component compositions because its current waveform that feeds back to electrical network is a square wave; Electrical network is caused harmonic pollution; And electromagnetic noise is bigger during operation, and the power factor that is incorporated into the power networks is also lower, can lose a large amount of reactive energies.
Summary of the invention
The utility model has overcome the deficiency of prior art; Proposed to use the electric motor of automobile testing power supply to dragging; Said testing power supply is mainly used in electric vehicle motor to dragging the test experiments platform, can also be as using on the test platforms such as frequency converter performance test, DC speed regulator performance test; Mechanical back to back test be make two motors machinery with electric on realize to be coupled two motor loads each other.Electric motor of automobile adopts direct current supply because of controller, thereby the problems such as supply, feedback, pressure regulation that solve power supply are major fields of current research.
The technical scheme of the utility model is: use the electric motor of automobile testing power supply to dragging; Comprise that an AC/DC rectification filtering power module, two DC/DC dc conversion modules, load motor and one are by measured motor; Said AC/DC rectification filtering power module comprises an AC input interface and an output interface; The DC/DC dc conversion modules comprises a DC input port and a DC delivery outlet; Said input interface is connected with the three-phase power line of electrical network, and said output interface is connected with the DC input port through power line, said DC delivery outlet through power line be connected by measured motor.
Said DC delivery outlet is connected with load motor through power line.
The utlity model has following beneficial effect:
1) system is convenient freely to the supply and the absorption of energy, and change-over time is short;
2) capacity extension is convenient, flexible;
3) voltage can be realized step-less adjustment, and is different from the electric pressure demand of measured motor to satisfy;
4) the mutual feedback of every group of testing of electric motors common dc bus realization energy;
5) in the tested Motor Measuring System of many groups, realize energy mutual feedback each other;
6) introduce brand-new soft controller to the setting of making amendment of various parameters, need not any manual intervention;
7) the synchronous output circuit of the multistage power equalization of rectification guarantees parallelly connected fractional load balance, prolongs each unit useful life;
8) reduce electric network pollution, raise the efficiency.
Description of drawings
The system power supply structural representation of Fig. 1 the utility model.
The system power flow graph of Fig. 2 the utility model.
The AC/DC rectification filtering power modular structure sketch map of Fig. 3 the utility model.
Among the figure, 1, electrical network; 2, AC/DC rectification filtering power module; 3, DC/DC dc conversion modules; 4, load motor; 5, by measured motor.
Embodiment
Extremely shown in Figure 3 referring to Fig. 1; The utility model is used the electric motor of automobile testing power supply to dragging; Comprise that an AC/DC rectification filtering power module 2, two DC/DC dc conversion modules 3, load motor 4 and one are by measured motor 5; Said AC/DC rectification filtering power module 2 comprises an AC input interface and an output interface; DC/DC dc conversion modules 3 comprises a DC input port and a DC delivery outlet, and said input interface is connected with the three-phase power line of electrical network 1, and said output interface is connected with the DC input port through power line; Said DC delivery outlet through power line be connected by measured motor, said DC delivery outlet is connected with load motor through power line.The system power supply structural representation is as shown in Figure 1.The electric energy of electrical network 1 is regulated two motors supplying with dragging through DC/DC dc conversion modules 3, load motor 4 and testing of electric motors 5 after carrying out rectifying and wave-filtering through AC/DC rectification filtering power module 2.Adopt the advantage of DC/DC dc conversion modules 3 to be: the voltage-regulation in 1) adjustable DC/DC can adapt on a large scale, for testing of electric motors, various electric pressures can both adapt to.2) adopt the AC/DC+DC/DC structure, be equivalent to the universal frequency converter of AC-DC-AC and separate into independently two, drawn adjustable dc bus.When system moves, satisfied following two conditions by measured motor 5:
1) satisfied the requirements by measured motor 5 electric operation power-supply systems
Under this state, two motor actual steerings are identical, apply by measured motor 5 torque identical with rotary speed direction, at this moment, are in motoring condition by measured motor 5, and load motor 4 is in generating state, and the power flow direction of system is as shown in Figure 2.By measured motor 5 input powers is P ∑ A, and it is output mechanical power Pm on axle, and makes load motor 4 make generator operation energy back is returned controller 1, and its power output is P ∑ B, and controller 1 is supplied with controller 2 with energy Pdc again.
2) satisfied the requirements by measured motor 5 generator operation power-supply systems
Under this state, it is opposite to set two motor actual steerings through controller, applies by measured motor 5 torque opposite with rotary speed direction, at this moment, is in generating state by measured motor 5, and load motor 4 is in motoring condition.At this moment, be mechanical output by the input power of measured motor 5, electromotive power output P ∑ A gives controller 2, and controller 2 feeds back to controller 1 through dc bus with energy.
As shown in Figure 3, become direct voltage output behind the 2 process filtering of AC/DC rectification filtering power module, buffering, the commutation inversion.The electric rectification device all is to be made up of the IGBT element with discharging and recharging transducer.Energy during motor braking is fed back to electrical network 1, because the IGBT inversion, feedback electric energy is near sinusoidal wave, and is few to the harmonic pollution of electrical network 1.Supply with and feedback in order in time to handle frequent energy, power-supply system is equipped with two groups of controlled bridges of full control, switches charging and discharging circuit and need not be abutted against tentaculum again, has realized the quick conversion between two kinds of functions.Adopt the power-supply system of two-way SPWM inversion commutation technique, the sinusoidal waveform of charging and discharging currents and High Power Factor control are pollution-free to electrical network because it can realize being incorporated into the power networks easily, so are energy-efficient green power supplies.The system power switching device is selected IGBT for use; Its switch operating frequency can reach more than the 20kHz; Adopt special-purpose DSP data processor controlled; Sine-shaped aberration rate is very little, noise is very low, system design have a management function that storage battery networking team control intellectuality discharges and recharges, can adapt to the storage battery production and the maintenance of different electric pressures and type.Because this device has better controlling performance and economic index, its popularizing application prospect is good.
In addition, those skilled in the art also can do other variation in the utility model principle, and certainly, the variation that these are done according to the utility model principle all should be included in the utility model scope required for protection.
Claims (2)
1. use the electric motor of automobile testing power supply to dragging; It is characterized in that: comprise that an AC/DC rectification filtering power module, two DC/DC dc conversion modules, load motor and one are by measured motor; Said AC/DC rectification filtering power module comprises an AC input interface and an output interface; The DC/DC dc conversion modules comprises a DC input port and a DC delivery outlet; Said input interface is connected with the three-phase power line of electrical network, and said output interface is connected with the DC input port through power line, said DC delivery outlet through power line be connected by measured motor.
2. according to claim 1ly use the electric motor of automobile testing power supply to dragging, it is characterized in that: said DC delivery outlet is connected with load motor through power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120239568 CN202121496U (en) | 2011-07-08 | 2011-07-08 | Automobile motor mutual-driving testing power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120239568 CN202121496U (en) | 2011-07-08 | 2011-07-08 | Automobile motor mutual-driving testing power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121496U true CN202121496U (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120239568 Expired - Lifetime CN202121496U (en) | 2011-07-08 | 2011-07-08 | Automobile motor mutual-driving testing power source |
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| Country | Link |
|---|---|
| CN (1) | CN202121496U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472390A (en) * | 2013-08-22 | 2013-12-25 | 郑州宇通客车股份有限公司 | Motor twin-dragging platform for motor test and compound power supply system thereof |
| CN106291365A (en) * | 2016-10-09 | 2017-01-04 | 厦门市福工动力技术有限公司 | A kind of new forms of energy motor experiment platform |
-
2011
- 2011-07-08 CN CN 201120239568 patent/CN202121496U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472390A (en) * | 2013-08-22 | 2013-12-25 | 郑州宇通客车股份有限公司 | Motor twin-dragging platform for motor test and compound power supply system thereof |
| CN103472390B (en) * | 2013-08-22 | 2016-12-28 | 郑州宇通客车股份有限公司 | Electromechanical testing motor is to dragging platform and hybrid power system thereof |
| CN106291365A (en) * | 2016-10-09 | 2017-01-04 | 厦门市福工动力技术有限公司 | A kind of new forms of energy motor experiment platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151008 Address after: 266000 Qingdao hi tech Industrial Development Zone, Qingdao National University Science Park, Shandong Patentee after: Qingdao Pike Energy Co.,Ltd. Address before: 266200 Shandong city of Qingdao province Zhongshan Road City, No. 70 4 floor Patentee before: Zhang Wenwu |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhao Na Document name: Notification of Passing Examination on Formalities |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160517 Address after: 518049 Guangdong city of Shenzhen province Futian District Camry Factory 1, the entire 318 Patentee after: AUTOWAY, GUANGDONG ELECTRIC POWER CONSTRUCTION CO., LTD. Address before: 266000 Qingdao hi tech Industrial Development Zone, Qingdao National University Science Park, Shandong Patentee before: Qingdao Pike Energy Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Longgang street community of Longgang District of Shenzhen City Tongde Guangdong province 518049 pit road No. 64 building two Patentee after: Shenzhen city and Wei Wei power Polytron Technologies Inc Address before: 518049 Guangdong city of Shenzhen province Futian District Camry Factory 1, the entire 318 Patentee before: AUTOWAY, GUANGDONG ELECTRIC POWER CONSTRUCTION CO., LTD. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120118 |