CN203851060U - Power battery simulation device - Google Patents
Power battery simulation device Download PDFInfo
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- CN203851060U CN203851060U CN201420239040.7U CN201420239040U CN203851060U CN 203851060 U CN203851060 U CN 203851060U CN 201420239040 U CN201420239040 U CN 201420239040U CN 203851060 U CN203851060 U CN 203851060U
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- electrokinetic cell
- lcl filter
- filter unit
- driver
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the technical field of power batteries and discloses a power battery simulation device. The power battery simulation device comprises an industrial computer, a power battery simulator connected with the industrial computer, a driver connected with the power battery simulator, and a motor connected with the driver. The power battery simulator comprises a first LCL filtering unit, a rectification inversion unit, a power-on buffer unit, an energy storage unit, a chopping unit and a second LCL filtering unit which are connected in sequence, wherein an input end of the first LCL filtering unit is connected with a three-phase alternating-current power through a transformer, and an output end of the second LCL filtering unit is connected with the driver. The power battery simulation device can simulate charge and discharge of a battery through the power battery simulator, so that test cost is reduced, and test accuracy is improved.
Description
Technical field
The utility model relates to power battery technology field, more particularly, and particularly a kind of electrokinetic cell analogue means.
Background technology
In electric vehicle development process, carry out a large amount of every test and test.Application electrokinetic cell is directly tested and is existed some inevitable shortcomings: in test, regular discharging and recharging understood the useful life of reducing electrokinetic cell, causes testing cost to increase; Meanwhile, the charging of electrokinetic cell needs a large amount of time, will certainly affect the efficiency of test job, if consider the rotation of many Battery packs, can cause the increase of cost; The internal resistance that increases electrokinetic cell is understood in regular discharging and recharging, and affects the accuracy of test result; The test that some need to carry out under specific condition, had higher requirement in the aspects such as the structure of electrokinetic cell, technique, material, increase technical difficulty, thereby in actual electric vehicle development test, conventionally adopted power supply analogue system to replace electrokinetic cell.
Utility model content
The purpose of this utility model is to provide a kind of electrokinetic cell analogue means that reduces testing cost, improves test accuracy.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of electrokinetic cell analogue means, comprise industrial computer, the electrokinetic cell simulator being connected with industrial computer, the driver being connected with electrokinetic cell simulator, and the motor being connected with driver, described electrokinetic cell simulator comprises the LCL filter unit connecting successively, commutation inversion unit, buffer cell powers on, energy-storage units, copped wave unit and the 2nd LCL filter unit, wherein, the input of a described LCL filter unit is electrically connected to three-phase alternating current by transformer, the output of described the 2nd LCL filter unit is connected with driver.
According to a preferred embodiment of the present utility model: also comprise the detecting unit being connected with described electrokinetic cell simulator, described detecting unit comprises input side voltage detecting circuit, input side current detection circuit and DC voltage testing circuit, described input side voltage detecting circuit is connected in the input of a LCL filter unit, described input side current detection circuit is connected in the output of a LCL filter unit, and described DC voltage testing circuit is connected in the both sides of energy-storage units.
According to a preferred embodiment of the present utility model: described in the buffer cell that powers on comprise buffer resistance on the bus being connected between commutation inversion unit and energy-storage units and the relay in parallel with buffer resistance.
According to a preferred embodiment of the present utility model: described filter comprises the first filter inductance, the first electric capacity and the second filter inductance connecting successively; Described commutation inversion unit is IGBT three-phase high frequency two way convertor, and described copped wave unit is that DC/DC Bidirectional up-down is pressed chopper.
According to a preferred embodiment of the present utility model: described energy-storage units is a storage capacitor, described the 2nd LCL filter unit comprises the 3rd filter inductance, the second electric capacity and the 4th filter inductance connecting successively.
Compared with prior art, the beneficial effects of the utility model are: the utility model can by electrokinetic cell simulator simulated battery discharge and recharge reduce testing cost, improve test accuracy.
Accompanying drawing explanation
Fig. 1 is the frame diagram of electrokinetic cell analogue means of the present utility model.
Fig. 2 is the circuit diagram of electrokinetic cell analogue means medium power battery simulator of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Consult shown in Fig. 1 and Fig. 2, the present embodiment provides a kind of electrokinetic cell analogue means, comprise industrial computer 1, the electrokinetic cell simulator 2 being connected with industrial computer 1, the driver 3 being connected with electrokinetic cell simulator 2, and the motor 4 being connected with driver 3, described electrokinetic cell simulator 2 comprises the LCL filter unit 21 connecting successively, commutation inversion unit 22, buffer cell 23 powers on, energy-storage units 24, copped wave unit 25 and the 2nd LCL filter unit 26, wherein, the input of a described LCL filter unit 21 is electrically connected to three-phase alternating current by transformer, the output of the 2nd described LCL filter unit 26 is connected with driver 3.
The buffer cell 23 that powers on described in the present embodiment comprises buffer resistance R1 on the bus being connected between commutation inversion unit 22 and energy-storage units 24 and the relay J K in parallel with buffer resistance R1.
The electrokinetic cell analogue means of the present embodiment can by electrokinetic cell simulator 2 simulated batteries discharge and recharge reduce testing cost, improve test accuracy, be specially: one, when analog charge, three-phase alternating current is after transformer boosts, by LCL filter unit 21 filtering, through commutation inversion unit 22, carry out high-frequency rectification again, direct current after rectification accesses 25 copped waves of copped wave unit by DC bus, after copped wave, output is through the 2nd LCL filter unit 26 filtering, then outputs to and in driver 3, control motor 4 actions; The buffer resistance R1 of buffer cell 23 of simultaneously the powering on buffering that can power on to the direct current after 22 rectifications of commutation inversion unit, realized the function of soft start, and then protected this device, improved the useful life of whole circuit, after circuit starts completely, can make buffer resistance R1 short circuit by closing relay JK, then carry out normal circuit working; Two, when simulation electric discharge, motor 4 work can produce electric energy, electric energy is through the fly-wheel diode of copped wave unit 25, through DC bus access commutation inversion unit 22, inversion unit inversion through commutation inversion unit 22 is three-phase alternating current, then is fed back to electrical network by a LCL filter unit 21 of transformer secondary.
The present embodiment also can comprise the detecting unit 5 being connected with described electrokinetic cell simulator 2, described detecting unit 5 comprises input side voltage detecting circuit 51, input side current detection circuit 52 and DC voltage testing circuit 53, described input side voltage detecting circuit 51 is connected in the input of a LCL filter unit 21, described input side current detection circuit 52 is connected in the output of a LCL filter unit 21, and described DC voltage testing circuit 53 is connected in the both sides of energy-storage units 24; Magnitude of voltage and the current value that can detect by input side voltage detecting circuit 51, input side current detection circuit 52 and DC voltage testing circuit 53 are controlled commutation inversion unit 22 and copped wave unit 25.
In the present embodiment, input side voltage detecting circuit 51 and DC voltage testing circuit 53 can adopt the testing circuit shown in Fig. 3; And input side current detection circuit 52 can adopt Hall element.
Filter 2 described in the present embodiment comprises the first filter inductance L1, the first capacitor C 1 and the second filter inductance L2 connecting successively; Described commutation inversion unit 22 is IGBT three-phase high frequency two way convertor, and described copped wave unit 25 is DC/DC Bidirectional up-down pressure chopper.
Energy-storage units 24 described in the present embodiment is a storage capacitor C, and described the 2nd LCL filter unit 26 comprises the 3rd filter inductance L3, the second capacitor C 2 and the 4th filter inductance L4 connecting successively.
Above-described embodiment is preferably execution mode of the utility model; but execution mode of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection range of the present utility model.
Claims (5)
1. an electrokinetic cell analogue means, it is characterized in that: comprise industrial computer (1), the electrokinetic cell simulator (2) being connected with industrial computer (1), the driver (3) being connected with electrokinetic cell simulator (2), and the motor (4) being connected with driver (3), described electrokinetic cell simulator (2) comprises the LCL filter unit (21) connecting successively, commutation inversion unit (22), buffer cell (23) powers on, energy-storage units (24), copped wave unit (25) and the 2nd LCL filter unit (26), wherein, the input of a described LCL filter unit (21) is electrically connected to three-phase alternating current by transformer, the output of described the 2nd LCL filter unit (26) is connected with driver (3).
2. electrokinetic cell analogue means according to claim 1, it is characterized in that: also comprise the detecting unit (5) being connected with described electrokinetic cell simulator (2), described detecting unit (5) comprises input side voltage detecting circuit (51), input side current detection circuit (52) and DC voltage testing circuit (53), described input side voltage detecting circuit (51) is connected in the input of a LCL filter unit (21), described input side current detection circuit (52) is connected in the output of a LCL filter unit (21), described DC voltage testing circuit (53) is connected in the both sides of energy-storage units (24).
3. electrokinetic cell analogue means according to claim 2, is characterized in that: described in the buffer cell (23) that powers on comprise buffer resistance (R1) on the bus being connected between commutation inversion unit (22) and energy-storage units (24) and the relay (JK) in parallel with buffer resistance (R1).
4. electrokinetic cell analogue means according to claim 3, is characterized in that: described filter (2) comprises the first filter inductance (L1), the first electric capacity (C1) and the second filter inductance (L2) connecting successively; Described commutation inversion unit (22) is IGBT three-phase high frequency two way convertor, and described copped wave unit (25) is DC/DC Bidirectional up-down pressure chopper.
5. electrokinetic cell analogue means according to claim 3, it is characterized in that: described energy-storage units (24) is a storage capacitor (C), described the 2nd LCL filter unit (26) comprises the 3rd filter inductance (L3), the second electric capacity (C2) and the 4th filter inductance (L4) connecting successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239040.7U CN203851060U (en) | 2014-05-10 | 2014-05-10 | Power battery simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239040.7U CN203851060U (en) | 2014-05-10 | 2014-05-10 | Power battery simulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203851060U true CN203851060U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420239040.7U Expired - Fee Related CN203851060U (en) | 2014-05-10 | 2014-05-10 | Power battery simulation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203851060U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911473A (en) * | 2016-04-08 | 2016-08-31 | 山东大学 | Power battery model-free fast simulation system and method |
| CN107742896A (en) * | 2017-10-31 | 2018-02-27 | 国充充电科技江苏股份有限公司 | Energy storage type electrokinetic cell analog power structure |
| CN111293945A (en) * | 2020-02-27 | 2020-06-16 | 山东欧瑞安电气有限公司 | Servo press driving system |
| EP3812331A1 (en) * | 2019-10-23 | 2021-04-28 | KONE Corporation | Method for testing a capacity of a drive rescue battery of a transportation system, software program, and testing arrangement |
| CN118091219A (en) * | 2024-03-01 | 2024-05-28 | 山东艾诺智能仪器有限公司 | Battery simulator switching system and control method thereof |
-
2014
- 2014-05-10 CN CN201420239040.7U patent/CN203851060U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911473A (en) * | 2016-04-08 | 2016-08-31 | 山东大学 | Power battery model-free fast simulation system and method |
| CN107742896A (en) * | 2017-10-31 | 2018-02-27 | 国充充电科技江苏股份有限公司 | Energy storage type electrokinetic cell analog power structure |
| EP3812331A1 (en) * | 2019-10-23 | 2021-04-28 | KONE Corporation | Method for testing a capacity of a drive rescue battery of a transportation system, software program, and testing arrangement |
| US11567138B2 (en) | 2019-10-23 | 2023-01-31 | Kone Corporation | Method for testing a capacity of a drive rescue battery of a transportation system, software program, and testing arrangement |
| CN111293945A (en) * | 2020-02-27 | 2020-06-16 | 山东欧瑞安电气有限公司 | Servo press driving system |
| CN118091219A (en) * | 2024-03-01 | 2024-05-28 | 山东艾诺智能仪器有限公司 | Battery simulator switching system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20210510 |