CN201525297U - High-efficient electric vehicle driving system - Google Patents
High-efficient electric vehicle driving system Download PDFInfo
- Publication number
- CN201525297U CN201525297U CN2009202793977U CN200920279397U CN201525297U CN 201525297 U CN201525297 U CN 201525297U CN 2009202793977 U CN2009202793977 U CN 2009202793977U CN 200920279397 U CN200920279397 U CN 200920279397U CN 201525297 U CN201525297 U CN 201525297U
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- driving
- electric vehicle
- speed
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The utility model relates to a high-efficient electric vehicle driving system, comprising a multi-stage motor and a control system, wherein the control system is internally provided with a three-phase full-bridge switch circuit, a driving circuit, a speed detection unit, a voltage detection unit, a current detection unit and a Hall sensor; the speed detection unit is sent to a singlechip part for processing and then sent to the driving circuit so as to control the three-phase full-bridge switch circuit; the outer side of the singlechip part is provided with a multi-stage direct current brushless motor, wherein the current detection unit and the voltage detection unit respectively detect overcurrent signals and voltage signals of the multi-stage motor and feedback the overcurrent signals and the voltage signals to the singlechip part for processing; and the circuit part of the driving system consists of three single-phase driving circuits. The driving system has the benefits of having no need of a gearbox device and realizing free conversion of high speed and low speed of the multi-stage motor by the control system, being capable of running with large power so as to realize the maximum vehicle speed up to more than 120km, and being high in product reliability.
Description
Technical field
The utility model relates to the Drive for EV technical field, specifically a kind of high-efficiency electric vehicle drive system.
Background technology
The existing drive system of electric automobile that is used for, it is formed and mainly comprises compositions such as electrical motor, motor main shaft, power-transfer clutch, low speed gear group, high speed gear group, power take-off shaft, low speed input shaft, wherein, the power of electrical motor is exported by motor main shaft, one end of motor main shaft is connected to power take-off shaft by power-transfer clutch, low speed input shaft and low speed gear group successively, can realize two retaining speed changes of battery-driven car simply, can make battery-driven car in running at high speed, keep power.But the drive system of this basic structure does not possess the function that the high low speed of multipolar dynamo is freely changed, and moves reliable inadequately; A lot of in addition similar drive systems all adopt gearbox device to realize the pri speed change, but in the driver train working process, consumption of current is bigger, complex structure, maintenance cost height.
The utility model content
At above defective, the utility model provides a kind of and need not to be provided with gearbox device, high-power operation, the higher high-efficiency electric vehicle drive system of reliability, thereby can realize the purpose that the high low speed of multipolar dynamo is freely changed by control system.
For achieving the above object, the utility model is by the following technical solutions:
A kind of high-efficiency electric vehicle drive system, comprise by multipolar dynamo and control system and forming, control system inside is provided with three phase full bridge switch loop, drive the loop and with single chip part input end bonded assembly speed detection unit, voltage detection unit, current detecting unit and Hall element, described speed detection unit transmits to send to after single chip part is handled and drives the loop three phase full bridge switch loop is controlled, and the multistage dc brushless motor of described single chip part arranged outside also drives by driving the loop; Wherein current detecting unit and voltage detection unit detect the over-current signal of multipolar dynamo and voltage signal respectively and feed back to single chip part and handle; Driving system circuit part is made up of three single-phase driving loops, and the electronic component in each single-phase loop comprises 1 of 2 on aerotron, 3 of electric capacity, 1 of resistance and diode.
The beneficial effect of high-efficiency electric vehicle drive system described in the utility model is: need not to be provided with gearbox device, driver train can realize that by control system the high low speed of multipolar dynamo freely changes; The application multipolar dynamo ensures that the hill climbing ability that the starting moment of torsion is big, realization is bigger can high-powerly move simultaneously, realizes that the maximum speed of vehicle can reach more than 120 kilometers; Under the same power of output, compare the three phase alternating current motor electric current and reduce half, the product reliability height; Realize that according to control system the series and parallel structure changes motor level speed, thereby realize driving multipolar dynamo.
Description of drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the described high-efficiency electric vehicle driving system structure of a utility model embodiment connection diagram;
Fig. 2 is the described high-efficiency electric vehicle drive system of a utility model embodiment partial circuit element scheme drawing.
Among the figure:
1, single chip part; 2, current detecting unit; 3, voltage detection unit; 4, speed detection unit; 5, traction electric machine; 6, frequency modulation unit; 7, Hall element.
The specific embodiment
As shown in Figure 1, the described high-efficiency electric vehicle drive system of the utility model embodiment, comprise by multipolar dynamo and control system and forming that control system inside is provided with three phase full bridge switch loop, drives loop, speed detection unit 4, voltage detection unit 3, current detecting unit 2 and Hall element 7; Described single chip part 1 some input ends connect current detecting unit 2, voltage detection unit 3, speed detection unit 4 and Hall element 7 respectively and have single chip part 1 to handle, sending to the driving loop after described speed detection unit 4 transmission single chip part 1 are handled controls three phase full bridge switch loop, the described multistage dc brushless motor of single chip part 1 arranged outside also drives by driving the loop, comparable three phase alternating current motor electric current reduces half, the product reliability height under the same power of output; Wherein current detecting unit 2 and voltage detection unit 3 detect the over-current signal of multipolar dynamo and voltage signal respectively and feed back to single chip part 1 and handle, give the driving loop according to certain rule output PWM frequency modulation unit 6, drive three phase full bridge drive circuit multipolar dynamo by the PWM mode and make motor rotation.
Shown in Fig. 1-2, the described high-efficiency electric vehicle drive system of the utility model embodiment, described driving system circuit part is made up of three single-phase driving loops, each single-phase loop includes 1 of 2 on aerotron, 3 of electric capacity, 1 of resistance and diode, when speed detection unit 4 detects the speed signal minimizing, single chip part 1 is carried out pulse-width regulated by driving loop, three phase full bridge switch loop and motor winding, reduce voltage pulse width and reduce voltage on the motor winding, thereby reduce rotating speed of motor; Otherwise the voltage by strengthening voltage pulse width on the expanded motor winding increases rotating speed of motor.The over-current signal of motor to input end, has surpassed input terminal voltage as over-current signal by resistance, and single chip part 1 is arranged by driving loop off switch loop pipe, and motor shuts down, and overcurrent protection this moment is worked; If overcurrent voltage rises and surpasses setting value, micro controller system reduces the pwm signal time, reduces output voltage, and motor winding electric current descends; Otherwise if over-current signal voltage descends and is lower than setting value, single chip part 1 increases the pwm signal time, increases output voltage, and motor winding electric current rises, and with the maximum output torque operation, the restriction electric current works.When power line voltage is exported to single chip part 1 by voltage detection unit 3, if be lower than under-voltage value, single chip part 1 is closed three phase full bridge switch loop by driving the loop, stops motor rotation; Under the braking energy feedback, from the car load drive axle, main reduction gear mechanism under electromechanical coupling mechanism, realizes reaction force by control system to drive motor, and the electric current that is produced is given power battery charging, reaches the purpose that system capacity reclaims.
Claims (3)
1. high-efficiency electric vehicle drive system, comprise by multipolar dynamo and control system and forming, it is characterized in that: control system inside is provided with three phase full bridge switch loop, drive the loop and with single chip part (1) input end bonded assembly speed detection unit (4), voltage detection unit (3), current detecting unit (2) and Hall element (7), the multistage dc brushless motor of described single chip part (1) arranged outside.
2. high-efficiency electric vehicle drive system according to claim 1 is characterized in that: described driving system circuit part is made up of three single-phase driving loops.
3. high-efficiency electric vehicle drive system according to claim 2 is characterized in that: the electronic component in each single-phase loop comprises 1 of 2 on aerotron, 3 of electric capacity, 1 of resistance and diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202793977U CN201525297U (en) | 2009-11-18 | 2009-11-18 | High-efficient electric vehicle driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202793977U CN201525297U (en) | 2009-11-18 | 2009-11-18 | High-efficient electric vehicle driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201525297U true CN201525297U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202793977U Expired - Fee Related CN201525297U (en) | 2009-11-18 | 2009-11-18 | High-efficient electric vehicle driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201525297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653301A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for low speed and high power of automobile throttle |
| CN104653300A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for uniform motion of automobile throttle |
-
2009
- 2009-11-18 CN CN2009202793977U patent/CN201525297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653301A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for low speed and high power of automobile throttle |
| CN104653300A (en) * | 2013-11-25 | 2015-05-27 | 陕西国力信息技术有限公司 | Brushless DC (direct current) motor for uniform motion of automobile throttle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WESTTIGER AUTOMOBILE INDUSTRY CO., LTD. Free format text: FORMER OWNER: YANG SHUIPING Effective date: 20110510 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215001 ROOM 505, BUILDING 1, XINCHENG GARDEN, INDUSTRIAL PARK, SUZHOU CITY, JIANGSU PROVINCE TO: 362000 NO. 3, ROAD 1, CHINA QUANZHOU AUTO BASE, ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, QUANZHOU, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110510 Address after: 362000 No. three, No. 1 road, Quanzhou auto base, Quanzhou economic and Technological Development Zone, Fujian, China Patentee after: WESTTIGER AUTOMOBILE INDUSTRY CO., LTD. Address before: 505, room 1, Xincheng garden, Suzhou Industrial Park, Jiangsu 215001, China Patentee before: Yang Shuiping |
|
| 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: 20100714 Termination date: 20171118 |