CN201176130Y - Self control governor for electric vehicle - Google Patents
Self control governor for electric vehicle Download PDFInfo
- Publication number
- CN201176130Y CN201176130Y CNU2007201878004U CN200720187800U CN201176130Y CN 201176130 Y CN201176130 Y CN 201176130Y CN U2007201878004 U CNU2007201878004 U CN U2007201878004U CN 200720187800 U CN200720187800 U CN 200720187800U CN 201176130 Y CN201176130 Y CN 201176130Y
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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 discloses an electric bicycle automatic control speed regulator, wherein a PWM control chip is connected with two regulated power supplies of 15V and 5V, the 15V regulated power supply adopts a voltage regulated power adjusting triode and a voltage regulated diode, the emitter of the voltage regulated power adjusting triode is connected with the input of a three-end voltage regulated integrated circuit whose output is connected with the voltage end of a hall speed regulation handle, the seventh pin of the PWM control chip is connected with the base of a compensation push pull amplifier whose output is connected with the gates of six field transistors via a protecting circuit and gate resistors, the drains of the six field transistors are connected with a motor parallel connected with two diodes, the cathode of an accumulator and the output signal end of the hall speed regulation handle are connected with a brake switch therebetween. The utility model can prevent high negative pressure, large current and high potential instantly generated by the motor caused in sudden power off when the carbon brush of the brush motor has bad contact, is hard to damage under over current and can attain long service life, which is suitable for the electric bicycles with 2 to 5 battery jars of 22V-60V.
Description
Technical field
The utility model relates to a kind of control speed regulation device that contains the battery-driven car of storage battery and DC motor.
Background technology
Known battery-driven car control governor comprises a pulse-width modulation PWM control chip LM358, constant voltage power suspply, brake switching relay switch, key switch and Hall speed-regulating handle bar.It adopts " pulse duration modulation ", is called for short PWM, recently realizes control to power by the duty of regulating field effect transistor.This governor is when the load-carrying of shipping electro-tricycle, and locked rotor current is big, causes easily and regulates field effect transistor overcurrent, heating puncture, causes electro-tricycle that faults such as out of control or driving take place.
Summary of the invention
The purpose of this utility model is that a kind of battery-driven car automatic control governor will be provided, and this modulator is difficult for overcurrent to be damaged, and the life-span is long, and is safe in utilization.
The purpose of this utility model is achieved in that this governor comprises constant voltage power suspply, key switch, Hall speed-regulating handle bar and pwm chip, and pwm chip is connected with 15V constant voltage power suspply and 5V constant voltage power suspply; First capacitance cathode in the 15V constant voltage power suspply, first resistance, one end and power are adjusted transistor collector by key switch and B+ tandem, the first resistance other end, zener diode negative pole and power are adjusted transistor base tandem, the first electric capacity negative pole, zener diode positive pole and battery negative post tandem; Power is adjusted 8 pin, the 4th resistance one end, the 4th diode cathode, second capacitance cathode, the 3rd electric capacity one end and the tandem of circuit of three-terminal voltage-stabilizing integrated input end of transistor emitter, pwm chip, circuit of three-terminal voltage-stabilizing integrated mouth and the tandem of Hall speed-regulating handle bar voltage end, the 4th electric capacity one end and the tandem of circuit of three-terminal voltage-stabilizing integrated mouth, the 4th electric capacity other end and the end tandem of Hall speed-regulating handle bar ground, the 4th diode cathode, the second electric capacity negative pole, the 3rd electric capacity other end, circuit of three-terminal voltage-stabilizing integrated ground end and battery negative post tandem; 1 pin of pwm chip, the 5th resistance one end and the 5th diode cathode tandem, 3 pin of the 4th resistance other end, the 5th resistance other end, pwm chip and the one end tandem of the 8th resistance, the 5th diode cathode is connected to the 6th resistance one end, 2 pin and the 7 pin tandems of the 6th resistance other end, the 5th electric capacity one end, pwm chip, 4 pin of the 5th electric capacity other end, pwm chip IC1 and battery negative post tandem; Be serially connected with the 9th resistance and the tenth resistance between 5 pin of pwm chip and the battery negative post, the contact between the 9th resistance and the tenth resistance is connected to Hall speed-regulating handle bar signal end; 7 pin of pwm chip are connected to the complementary push-pull amplifier, the mouth of complementary push-pull amplifier is connected to the grid of six field effect transistor respectively more respectively by six resistances by six protective circuits, six field effect transistor drain electrodes connect motor one end, the motor other end connects B+ by key switch, two parallel diode negative poles connect motor one end, and two parallel diode positive poles connect the motor other end; Six field effect transistor source electrodes connect battery negative post by second resistance, be connected to the 7th resistance between 2 pin of the source electrode of six field effect transistor and pwm chip, be parallel with the 3rd resistance on the 3rd diode, the negative pole of the 3rd diode connects the mouth of complementary push-pull amplifier, and the positive pole of the 3rd diode is connected to six field effect transistor source electrodes; BK Brake Switch one termination battery negative post, another termination the 12 diode cathode of BK Brake Switch, the positive pole of the 12 diode connect the output signal end that Hall is transferred handle.
The utility model power redundancy; add protection; the high back-pressure large-current electric gesture of the motor moment generation that can avoid brush motor carbon brush bad contact sudden power and cause, or the field effect transistor turn-off speed causes the phenomenon of carbon brush for electric machine sparking and the high back-pressure punch through damage of motor lines packet generation self-induction switching valve soon.Be difficult for overcurrent and damage, the life-span is long, and is safe in utilization.Cost is low, low price.Range of regulation is very wide, is applicable to two battery-driven cars to five 22V-60V storage batterys.
Description of drawings
Fig. 1 is the circuit block diagram of an embodiment of the utility model.
Fig. 2 is the circuit structure diagram of Fig. 1.
The specific embodiment
In Fig. 2, pwm chip IC1 is connected with 15V constant voltage power suspply and 5V constant voltage power suspply.First capacitor C, 1 positive pole in the 15V constant voltage power suspply, first resistance R, 1 upper end, power are adjusted aerotron VT1 collecting electrode by key switch K and B+ tandem, first resistance R, 1 lower end, zener diode VZ1 negative pole and power are adjusted the tandem of aerotron VT1 base stage, first capacitor C, 1 negative pole, zener diode VZ1 positive pole and battery negative post tandem.
Power is adjusted aerotron VT1 emitter output+15V voltage.Power is adjusted aerotron VT1 emitter, 8 pin of pwm chip IC1, the 4th resistance R 4 upper ends, the 4th diode VD4 negative pole, second capacitor C, 2 positive poles, the 3rd capacitor C 3 upper ends and the tandem of circuit of three-terminal voltage-stabilizing integrated IC2 input end, circuit of three-terminal voltage-stabilizing integrated IC2 mouth+5V and the 1 pin tandem of Hall speed-regulating handle bar TSB voltage end, the 4th capacitor C 4 upper ends and circuit of three-terminal voltage-stabilizing integrated IC2 mouth+5V tandem, the 4th capacitor C 4 lower ends and the end 2 pin tandems of Hall speed-regulating handle bar TSB ground, the 4th diode VD4 positive pole, second capacitor C, 2 negative poles, the 3rd capacitor C 3 lower ends, circuit of three-terminal voltage-stabilizing integrated IC2 ground end and battery negative post tandem.
1 pin of pwm chip IC1, the 5th resistance R 5 lower ends and the 5th diode VD5 negative pole tandem, 3 pin of the 4th resistance R 4 lower ends, the 5th resistance R 5 upper ends, pwm chip IC1 and the 8 upper end tandems of the 8th resistance R, the 5th diode VD5 positive pole is connected to the 6th resistance R 6 lower ends, 2 pin of the 6th resistance R 6 upper ends, the 5th capacitor C 5 upper ends, pwm chip IC1 and the 7 pin tandems of pwm chip IC1,4 pin of the lower end of the 5th capacitor C 5, pwm chip IC1 and battery negative post tandem.
The contact that is serially connected with between 5 pin of pwm chip IC1 and the battery negative post between the 9th resistance R 9 and the tenth resistance R 10, the nine resistance R 9 and the tenth resistance R 10 is connected to Hall speed-regulating handle bar TSB output signal end 3 pin.
7 pin of pwm chip IC1 are connected to the complementary push-pull amplifier, and the complementary push-pull amplifier is made up of aerotron VT2 and aerotron VT3.7 pin of pwm chip IC1, aerotron VT2 base stage and the tandem of aerotron VT3 base stage, the collecting electrode of aerotron VT2 connects+15V, the collecting electrode of aerotron VT3 is connected to the source electrode of six field effect transistor VT4-VT9, and the emitter tandem of aerotron VT2 and aerotron VT3 forms the mouth of complementary push-pull amplifier.
The mouth of complementary push-pull amplifier is connected to the grid of six field effect transistor VT4-VT9 respectively more respectively by six resistances by six protective circuits, six resistances are R11,13,15,17,19,21.Protective circuit is six.Each protective circuit is a resistance and is parallel with a flywheel diode, and resistance is R12,14,16,18,20,22, and flywheel diode is VD6-11.Each flywheel diode negative pole connects fet gate by resistance, and each flywheel diode positive pole connects the complementary push-pull amplifier out.Six field effect transistor VT4-VT9 drain electrodes connect the motor M upper end.The schottky diode VD1 of two parallel connections, VD2 negative pole connect the motor M upper end, and two schottky diode VD1 in parallel, VD2 positive poles connect the motor M lower end, and the motor M lower end connects B+ by key switch K1.
The source electrode of six field effect transistor VT4-VT9 connects battery negative post by second resistance R 2, be connected to the 7th resistance R 7 between 2 pin of the source electrode of six field effect transistor VT4-VT9 and pwm chip IC1, be parallel with the 3rd resistance R 3 on the 3rd diode VD3, the negative pole of the 3rd diode VD3 connects the mouth of complementary push-pull amplifier, and the positive pole of the 3rd diode VD3 is connected to the source electrode of six field effect transistor VT4-VT9.BK Brake Switch K2 right-hand member connects battery negative post, and BK Brake Switch K2 left end connects the 12 diode VD12 negative pole, and the positive pole of the 12 diode VD12 connects Hall and transfers TSB output signal end 3 pin.
Pwm chip IC1 is by 15V and two kinds of power voltage supply work of 5V.The 15V mu balanced circuit is adjusted aerotron VT1, zener diode VZ1, first capacitor C 1 and first resistance R 1 by power and is formed.VT1, C1 and R1 on former line tower foundation, have been set up.It is the high power valve that has pressure regulation and expand the stream function that power is adjusted aerotron VT1, and it and pwm chip IC1 combine and just had two voltage double-current functions.
The 5V constant voltage power suspply has adopted circuit of three-terminal voltage-stabilizing integrated IC2, the 4th capacitor C 4, the 3rd capacitor C 3 and second capacitor C 2, and they are connected with the 15V constant voltage power suspply and are triangular wave oscillator among the pulse width modulator pwm chip IC1 and pulse width modulator power supply.
Pulse width modulator pwm chip IC1 adopts LM358, and it is a dual operational amplifier.It has two signal input parts, an input be amplitude unmodified chopping sea, chopping sea forms circuit and comprises 2 pin of pwm chip IC1 and 6 pin, the 5th capacitor C 5, the 7th resistance R 7; Another signal is the floating position pressure regulation signal that 5 pin of pwm chip IC1 are accepted Hall speed-regulating handle bar TSB, is made up of 5 pin, the 9th resistance R 9, the tenth resistance R 10 of Hall speed-regulating handle bar TSB, pwm chip IC1.Through the computing processing of pwm chip IC1, the floating voltage of Hall speed-regulating handle bar TSB, become the different control pulsation of speed dutycycle, from the 7 pin output pulsed drive of pwm chip IC1.
Aerotron VT2 in the complementary push-pull amplifier is the NPN pipe, and aerotron VT3 is the PNP pipe, and the base stage of two pipes directly links to each other, and connects incoming signal altogether, and whiles two pipe emitters directly link to each other and do mouth.When the base stage high level, aerotron VT2 conducting, aerotron VT3 ends, emitter output high level; When base stage was low level, aerotron VT2 ended, aerotron VT3 conducting.This amplifier also is emitter follower common collector amplifier.Their magnification factors are about " 1 ", but current ampliication factor is very big, just in time meet this governor and drive requirement.
Pwm chip IC1 circuit peripheral cell is few, and cost is low, low price.Motor M flywheel diode VD1, VD2 adopt two high-power schottky diodes, have adopted six high-power FET VT4-VT9 simultaneously, have strengthened the power benefit.
Power redundancy adds protection.Be exactly that many of field effect transistor and flywheel diodes compose in parallel, in conjunction with the power switch tube grid, having added equalizer circuit is protective circuit.Interim when drive pulse, diode VD6, VD7, VD8, VD9, VD10, VD11 short circuit, the 7th resistance R 7 time constants are little, and the conducting positive rise is steeper; When drive pulse becomes low level, diode VD6, VD7, VD8, VD9, VD10, VD11 open circuit, 7 series connection of the 7th resistance R discharge gate charge, and time constant is big, the slow auxilliary characteristic that the automatic equalization protection is arranged of conducting falling edge.The counterattack voltage that forms in the time of can reducing the outage of DC machine line bag like this.Simultaneously between the drain electrode of field effect transistor and source electrode capacitance-resistance, added the absorption defencive function again; form by first capacitor C 1, first resistance R 1 and diode VZ1; solve external cause as by brush carbon brush for electric machine bad contact sudden power; cause that there is high back-pressure large-current electric gesture motor moment, or the field effect transistor turn-off speed causes the phenomenon of carbon brush for electric machine sparking and the high back-pressure punch through damage of motor lines packet generation self-induction field effect transistor soon.
Overcurrent protection.Pwm chip IC1 is a dual operational amplifier, and one of them forms integral amplifier, and the input of integral amplifier is from current of electric sample resistance R2.Current Negative Three-Point Capacitance forms the circuit closed feedback loop in conjunction with forward channel, and the solution load is overweight and locked rotor current is overheated excessive, punctures the phenomenon of field effect transistor.
Claims (1)
1. battery-driven car automatic control governor, this governor comprises constant voltage power suspply, key switch, Hall speed-regulating handle bar and pwm chip, it is characterized in that pwm chip is connected with 15V constant voltage power suspply and 5V constant voltage power suspply, first capacitance cathode in the 15V constant voltage power suspply, first resistance, one end and power are adjusted transistor collector by key switch and B+ tandem, the first resistance other end, zener diode negative pole and power are adjusted transistor base tandem, the first electric capacity negative pole, zener diode positive pole and battery negative post tandem; Power is adjusted 8 pin, the 4th resistance one end, the 4th diode cathode, second capacitance cathode, the 3rd electric capacity one end and the tandem of circuit of three-terminal voltage-stabilizing integrated input end of transistor emitter, pwm chip, circuit of three-terminal voltage-stabilizing integrated mouth and the tandem of Hall speed-regulating handle bar voltage end, the 4th electric capacity one end and the tandem of circuit of three-terminal voltage-stabilizing integrated mouth, the 4th electric capacity other end and the end tandem of Hall speed-regulating handle bar ground, the 4th diode cathode, the second electric capacity negative pole, the 3rd electric capacity other end, circuit of three-terminal voltage-stabilizing integrated ground end and battery negative post tandem; 1 pin of pwm chip, the 5th resistance one end and the 5th diode cathode tandem, 3 pin of the 4th resistance other end, the 5th resistance other end, pwm chip and the one end tandem of the 8th resistance, the 5th diode cathode is connected to the 6th resistance one end, 2 pin and the 7 pin tandems of the 6th resistance other end, the 5th electric capacity one end, pwm chip, 4 pin of the 5th electric capacity other end, pwm chip IC1 and battery negative post tandem; Be serially connected with the 9th resistance and the tenth resistance between 5 pin of pwm chip and the battery negative post, the contact between the 9th resistance and the tenth resistance is connected to Hall speed-regulating handle bar signal end; 7 pin of pwm chip are connected to the complementary push-pull amplifier, the mouth of complementary push-pull amplifier is connected to the grid of six field effect transistor respectively more respectively by six resistances by six protective circuits, six field effect transistor drain electrodes connect motor one end, the motor other end connects B+ by key switch, two parallel diode negative poles connect motor one end, and two parallel diode positive poles connect the motor other end; Six field effect transistor source electrodes connect battery negative post by second resistance, be connected to the 7th resistance between 2 pin of the source electrode of six field effect transistor and pwm chip, be parallel with the 3rd resistance on the 3rd diode, the 3rd diode cathode connects the mouth of complementary push-pull amplifier, and the positive pole of the 3rd diode is connected to six field effect transistor source electrodes; BK Brake Switch one termination battery negative post, another termination the 12 diode cathode of BK Brake Switch, the 12 diode cathode connect the output signal end that Hall is transferred handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201878004U CN201176130Y (en) | 2007-12-28 | 2007-12-28 | Self control governor for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201878004U CN201176130Y (en) | 2007-12-28 | 2007-12-28 | Self control governor for electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN201176130Y true CN201176130Y (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201878004U Expired - Fee Related CN201176130Y (en) | 2007-12-28 | 2007-12-28 | Self control governor for electric vehicle |
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| CN (1) | CN201176130Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122178A (en) * | 2011-01-11 | 2011-07-13 | 科蒂斯仪器(中国)有限公司 | Electronic circuit of electronic speed regulator subassembly for electric fork lift truck |
| CN102343833A (en) * | 2010-07-29 | 2012-02-08 | 通用汽车环球科技运作有限责任公司 | Power module active current management for efficiency improvement |
| CN104917422A (en) * | 2015-06-09 | 2015-09-16 | 奇瑞汽车股份有限公司 | Forward-reverse rotation control circuit for brush DC motor |
| CN109318723A (en) * | 2018-10-19 | 2019-02-12 | 平湖宏远汽车座椅有限公司 | Electric children vehicle control system |
| CN111717146A (en) * | 2020-06-04 | 2020-09-29 | 奇瑞商用车（安徽）有限公司 | Power supply control circuit and method for electric automobile without low-voltage storage battery |
-
2007
- 2007-12-28 CN CNU2007201878004U patent/CN201176130Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343833A (en) * | 2010-07-29 | 2012-02-08 | 通用汽车环球科技运作有限责任公司 | Power module active current management for efficiency improvement |
| CN102343833B (en) * | 2010-07-29 | 2014-11-12 | 通用汽车环球科技运作有限责任公司 | Power module active current management for efficiency improvement |
| CN102122178A (en) * | 2011-01-11 | 2011-07-13 | 科蒂斯仪器(中国)有限公司 | Electronic circuit of electronic speed regulator subassembly for electric fork lift truck |
| CN102122178B (en) * | 2011-01-11 | 2013-09-18 | 科蒂斯仪器(中国)有限公司 | Electronic circuit of electronic speed regulator subassembly for electric fork lift truck |
| CN104917422A (en) * | 2015-06-09 | 2015-09-16 | 奇瑞汽车股份有限公司 | Forward-reverse rotation control circuit for brush DC motor |
| CN109318723A (en) * | 2018-10-19 | 2019-02-12 | 平湖宏远汽车座椅有限公司 | Electric children vehicle control system |
| CN109318723B (en) * | 2018-10-19 | 2024-03-26 | 嘉兴宏远汽车座椅股份有限公司 | Electric baby carriage control system |
| CN111717146A (en) * | 2020-06-04 | 2020-09-29 | 奇瑞商用车（安徽）有限公司 | Power supply control circuit and method for electric automobile without low-voltage storage battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20111228 |