CN201789469U - Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles - Google Patents

Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles Download PDF

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Publication number
CN201789469U
CN201789469U CN2010205197899U CN201020519789U CN201789469U CN 201789469 U CN201789469 U CN 201789469U CN 2010205197899 U CN2010205197899 U CN 2010205197899U CN 201020519789 U CN201020519789 U CN 201020519789U CN 201789469 U CN201789469 U CN 201789469U
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CN
China
Prior art keywords
pin
battery pack
resistance
frequency
parallel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010205197899U
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Chinese (zh)
Inventor
宋二虎
杜凤臣
刘君
马冲
张有国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glorious hair (Beijing) Technology Co., Ltd.
Original Assignee
XINXIANG NORTH VEHICLE POWER TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XINXIANG NORTH VEHICLE POWER TECHNOLOGY Co Ltd filed Critical XINXIANG NORTH VEHICLE POWER TECHNOLOGY Co Ltd
Priority to CN2010205197899U priority Critical patent/CN201789469U/en
Application granted granted Critical
Publication of CN201789469U publication Critical patent/CN201789469U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to device for controlling a motor through leading a multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles, which effectively resolves the problems that maintaining is not convenient and cost is high due to failure of a controller and failure of a single battery. The technical scheme is that a central processing unit is respectively connected with a voltage, current and temperature acquiring device, a DC / DC power supply step-down transformer, a display and a transceiver. The voltage, current and temperature acquiring device is respectively connected with the DC / DC power supply step-down transformer and a frequency conversion control device, the transceiver is connected with a charger and the frequency conversion control device, and the frequency conversion control device is connected with a motor. The device is simple in structure, convenient to control and capable of being flexibly combined with an overall vehicle and high in reliability; multiple groups of frequency conversion control devices are connected in parallel to increase controlling power and reduce redundancy in design so that the reliability of the frequency conversion control motor is improved and the service life of the motor is prolonged; and signals of a battery management system and the frequency conversion control device are combined to be processed so as to reduce cost and increase reliability.

Description

The device of used for electric vehicle multichannel battery pack input in parallel variable frequency control motor
One, technical field
The utility model relates to the device of a kind of used for electric vehicle multichannel battery pack input in parallel variable frequency control motor.
Two, background technology
At present to electric automobile institute working power control device, be many Battery pack series connection output voltages, single controller control motor, this electric automobile has problems owing on the structure, so single battery breaks down, controller breaks down, all will cause electric automobile to quit work, and bring difficulty for the user of trip, maintenance is inconvenient, and the cost height, thus improve and innovate imperative.
Three, summary of the invention
At above-mentioned situation, for overcoming the prior art defective, the purpose of the utility model just provides the device of a kind of used for electric vehicle multichannel battery pack input in parallel variable frequency control motor, can effectively solve single battery breaks down, controller breaks down, and maintenance is inconvenient, and the high problem of cost.
The technical scheme that the utility model solves is, central processing unit is connected with electric current and voltage Temperature sampler, DC/DC power supply reducing transformer, display, transceiver respectively, the electric current and voltage Temperature sampler is connected with DC/DC power supply reducing transformer, frequency-variable controller respectively, transceiver is connected with charger, frequency-variable controller, and frequency-variable controller connects motor.
The utility model is simple in structure, control is convenient, make up flexibly the reliability height with car load; The parallel connection of many group frequency-variable controllers increases power controlling, and Redundancy Design improves the reliability that frequency-variable controller is controlled motor, prolongs electrical machinery life; With battery management system, the frequency-variable controller signal focuses on, and merges into one, reduces cost, and increases reliability.
Four, description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Five, embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Provide by Fig. 1, structure of the present utility model is, central processing unit U2 is connected with electric current and voltage Temperature sampler, DC/DC power supply reducing transformer U1, display U4, transceiver U3 respectively, the electric current and voltage Temperature sampler is connected with DC/DC power supply reducing transformer U1, frequency-variable controller U5 respectively, transceiver U3 is connected with charger U6, frequency-variable controller U5, and frequency-variable controller U5 connects motor M.
In order to guarantee result of use, said electric current and voltage Temperature sampler is the electric current and voltage temperature acquisition board A by a plurality of parallel connections 1-A nAnd and electric current and voltage temperature acquisition board A 1-A nThe battery pack BT of Xiang Lianing respectively 1-BT n, relay J 1-J n, temperature sensor TR 1-TRn constitutes, n=1,2,3......n, and the battery pack end of electric current and voltage Temperature sampler links to each other with charger, each electric current and voltage temperature acquisition board A 1-A nOn relay, battery pack and temperature sensor series connection protection relay K, protection relay K ground connection; Said frequency-variable controller U5 has n, n=1,2,3......n; The model of said central processing unit U2 is PIC18F4680QFP, 1 pin of central processing unit U2 meets electric current and voltage Temperature sampler and display U4,6 pin, 7 pin meet frequency-variable controller U5 through DC/DC power supply reducing transformer U1, protection relay K, 10 pin, 11 pin connect 1 pin and 4 pin of transceiver U3,6 pin of 15-17 pin plug P, 5 pin, 4 pin, 2 pin of 18 pin plug P, resistance R 1, and meet capacitor C 2 and parallel resistor R6 through resistance R 7, diode D, resistance R 6, diode D connects power supply, 19 pin meet adjustable resistance R5,24 pin connecting resistance R2, resistance R 3, and meet protection relay K and frequency-variable controller U5 through resistance R 2, resistance R is connected to capacitor C 1 between 3 two ends, be connected to oscillator Y between 30 pin and 31 pin, oscillator Y two ends are connected to ground capacity C3 respectively, C4,32 pin meet protection relay K, and 1 pin of plug P connects 18 pin of 2 pin and central processing unit U2 through resistance R 1; 6 pin of said transceiver U3,7 pin meet charger U6 and frequency-variable controller U5, and 8 pin meet earth resistance R4; The model of said transceiver U3 is 82C250; The model DS18B20 of said temperature sensor.
Operation principle of the present utility model is, many group batteries in parallel connection are worked simultaneously, strengthen actuating force, the electric current and voltage temperature acquisition board detects many Battery packs real-time online, signal is imported central processing unit by communication, signal is focused on, electric current appears falling in circuit, temperature is too high, monomer battery voltage is unusual, illustrated that battery breaks down, automatically cut off this group faulty circuit, other many Battery packs operate as normal that does as usual, many group frequency-variable controllers are controlled motor (alternating current asynchronous or DC Brushless Motor) simultaneously, enhancing is controlled to motor, if single frequency-variable controller breaks down, this road frequency-variable controller will quit work, other road operate as normal, guarantee that the user can arrive electric automobile and repair point, bring convenience for user's maintenance, it is dynamic that PIC18f4580 type central processing unit is grasped battery in real time by I2C bus and the communication of electric current and voltage temperature acquisition board, simultaneously by CAN bus and charger, frequency-variable controller, carry out the Communication Control motor, charger, the safety of assurance car, signal focuses on, signal to battery management system, the frequency-variable controller control signal focuses on, and shows at display terminal, saves cost.
In the utility model battery charge and discharge process, charging/discharging voltage, electric current, capacity, temperature to battery are carried out online management and control and stores processor thereof, and monomer battery voltage and capacity carried out equilibrium, can be according to the battery online monitoring data, at any time switch quantity in parallel and the state of adjusting battery pack, cut off the low-voltage battery group, and have automatic recovery and incorporate function again into; Frequency-variable controller has speed-regulating function, energy recovery function, overheat protective function, current-limiting protection, abnormal protection, energy recuperation is meant that a vehicle braked kinetic energy becomes in the electrical power storage battery, overheat protective function, avoid the speed regulator inner member to be operated in the thermal environment, energy significant prolongation component life; The current-limiting protection function can be protected the speed regulator inner member when motor rotation blockage, prevent motor overheating; Abnormal protection can occur turn-offing rapidly when unusual at speed regulator or motor, avoids fault further to enlarge.
The parallel connection of the utility model multichannel battery controllable state can reduce the series-connected cell number of elements, and the battery pack group effect is low, battery management system simple, control is convenient, make up the flexibility and reliability height with car load; The parallel connection of many group frequency-variable controllers increases power controlling, and Redundancy Design improves the reliability that frequency-variable controller is controlled motor, and electrical machinery life is long, and production cost is low, and is safe.

Claims (5)

1. the device of used for electric vehicle multichannel battery pack input in parallel variable frequency control motor, it is characterized in that, central processing unit (U2) is connected with electric current and voltage Temperature sampler, DC/DC power supply reducing transformer (U1), display (U4), transceiver (U3) respectively, the electric current and voltage Temperature sampler is connected with DC/DC power supply reducing transformer (U1), frequency-variable controller (U5) respectively, transceiver (U3) is connected with charger (U6), frequency-variable controller (U5), and frequency-variable controller (U5) connects motor (M).
2. the device of used for electric vehicle multichannel battery pack according to claim 1 input in parallel variable frequency control motor, it is characterized in that said electric current and voltage Temperature sampler is by the electric current and voltage temperature acquisition board (A1-An) of a plurality of parallel connections and the battery pack (BT that links to each other respectively with electric current and voltage temperature acquisition board (A1-An) 1... BT n), relay (J 1-J n), temperature sensor (TR 1-TRn) constitute, n=1,2,3......n, the battery pack end of electric current and voltage Temperature sampler links to each other with charger, each electric current and voltage temperature acquisition board (A 1-A n) on relay, battery pack and temperature sensor series connection protection relay (K), protection relay (K) ground connection.
3. the device of used for electric vehicle multichannel battery pack according to claim 1 input in parallel variable frequency control motor is characterized in that said frequency-variable controller (U5) has n, n=1,2,3......n.
4. the device of used for electric vehicle multichannel battery pack according to claim 1 input in parallel variable frequency control motor; it is characterized in that; said central processing unit (U2) is; 1 pin connects electric current and voltage Temperature sampler and display (U4); 6 pin; 7 pin connect frequency-variable controller (U5) through DC/DC power supply reducing transformer (U1); protection relay (K); 10 pin; 11 pin connect 1 pin and 4 pin of transceiver (U3); 6 pin of 15-17 pin plug (P); 5 pin; 4 pin; 2 pin of 18 pin plugs (P); resistance R 1; and meet capacitor C 2 and parallel resistor R6 through resistance R 7; diode (D); resistance R 6; diode (D) connects power supply; 19 pin meet adjustable resistance R5; 24 pin connecting resistance R2; resistance R 3; and connect protection relay (K) and frequency-variable controller (U5) through resistance R 2; resistance R is connected to capacitor C 1 between 3 two ends; be connected to oscillator (Y) between 30 pin and 31 pin; oscillator (Y) two ends are connected to ground capacity C3 respectively; C4; 32 pin connect protection relay (K), and 1 pin of plug (P) connects 18 pin of 2 pin and central processing unit (U2) through resistance R 1.
5. the device of used for electric vehicle multichannel battery pack according to claim 1 input in parallel variable frequency control motor is characterized in that 6 pin of said transceiver (U3), 7 pin connect charger (U6) and frequency-variable controller (U5), and 8 pin meet earth resistance R4.
CN2010205197899U 2010-09-07 2010-09-07 Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles Expired - Fee Related CN201789469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205197899U CN201789469U (en) 2010-09-07 2010-09-07 Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205197899U CN201789469U (en) 2010-09-07 2010-09-07 Device for controlling motor through leading multi-channel battery pack to be connected in parallel with input frequency conversion for electric vehicles

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CN201789469U true CN201789469U (en) 2011-04-06

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104009526A (en) * 2014-06-16 2014-08-27 安徽安凯汽车股份有限公司 Active equalization system and method of power battery packs of electric bus
CN104201735A (en) * 2014-08-18 2014-12-10 西南交通大学 Power battery pack monitoring and balancing device of small power-driven vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104009526A (en) * 2014-06-16 2014-08-27 安徽安凯汽车股份有限公司 Active equalization system and method of power battery packs of electric bus
CN104009526B (en) * 2014-06-16 2016-03-23 安徽安凯汽车股份有限公司 A kind of electric motor coach power battery pack active equalization system and method
CN104201735A (en) * 2014-08-18 2014-12-10 西南交通大学 Power battery pack monitoring and balancing device of small power-driven vehicle

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: GUANGCAI GUOFA (BEIJING) TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: XINXIANG NORTH VEHICLE POWER TECHNOLOGY CO., LTD.

Effective date: 20130730

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 453000 XINXIANG, HENAN PROVINCE TO: 100007 DONGCHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130730

Address after: 100007, Beijing, Dongsishitiao, Dongcheng District No. 34, No. 402

Patentee after: Glorious hair (Beijing) Technology Co., Ltd.

Address before: 453000 No. 173, Wenhua Road, Hongqi District, Henan, Xinxiang

Patentee before: Xinxiang North Vehicle Power Technology Co., Ltd.

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: 20110406

Termination date: 20170907