CN2923415Y - Moter (with brush) controller of boosted electric vehicle - Google Patents
Moter (with brush) controller of boosted electric vehicle Download PDFInfo
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- CN2923415Y CN2923415Y CNU200620070699XU CN200620070699U CN2923415Y CN 2923415 Y CN2923415 Y CN 2923415Y CN U200620070699X U CNU200620070699X U CN U200620070699XU CN 200620070699 U CN200620070699 U CN 200620070699U CN 2923415 Y CN2923415 Y CN 2923415Y
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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 relate s to an assistance-model electrically-propelled vehicle brush possessing electric machine controller, which is characterized in that the utility model is provided with a singlechip microprocessor, and the singlechip microprocessor takes a braking checking circuit, a rotary handle checking circuit, a real-time speed checking circuit, a battery voltage and the working current of a power tube, which is output by a from a current-limiting prevention circuit as checking signals. A motor drive signal is output in a pulse power drive circuit in case a braking signal and a handle voltage are available and unavailable respectively; the output of the motor drive signal of the power tube is shut off when the braking signal is available; and When the working current of the power tube exceeds the set value, the pulse width of the drive signal output by the pulse power drive circuit is reduced by the singlechip microprocessor. The utility model realizes the assistance effect through a flexible combination of the manpower and the controller output power.
Description
Technical field:
The utility model relates to a kind of brush motor controller of battery-driven car, a kind of electric vehicle motor controller with assistant mode of more specifically saying so.
Background technology:
The present Electrical Bicycle of assembling brush motor has manpower the ride function and the all-electric function of motion, and is generally not enough or and do not carry out manpower under the situation of electricity and ride in powered battery.Electric motor car power assisting pattern such as on the existing market 1: 1,1: 2, be to install the speed signal sensor additional in bicycle floral disc axis position, by judging that the people steps on foot-operated speed of rotating with back hub flange, controller is exported corresponding pulse voltage to motor and is driven, the speed that the people steps on is fast more, and the power that controller is exported to motor is big more.Under this assistant mode, manpower is difficult to directly output actv. driving power, is difficult to reach the power-assisted purpose; In the process of riding of battery-driven car, can't realize the flexibility combination of manpower and electric power; Because of needs operating speed sensor, increased the complexity of car load simultaneously.
Within the specific limits, the velocity of rotation of motor and the voltage relation in direct ratio that adds thereon.Use the controller that assembles on the Electrical Bicycle of brush motor, by detecting the voltage signal of handle, use power tube MOSFET, voltage to supplying cell carries out pulse width modulation, the voltage pulse output signal, the average voltage that motor is obtained is adjusted, thereby regulates the motor speed and the speed of a motor vehicle.Use this voltage pwm regulative mode, at battery-driven car handle output signal is not under the situation of maximum, the power MOSFET that controller uses all is operated under the on off state, the voltage pulse output signal, this form can produce certain switching loss, and powered battery produce impacted, to certain influence is arranged in service life of battery.
Summary of the invention:
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of flexibility combination by manpower and controller horsepower output is provided, really reaching the assistant mode battery-driven car brush motor controller of power-assisted purpose.
The technical scheme that the utility model technical solution problem is adopted is:
Constructional feature of the present utility model is that singlechip microprocessor, power-switching circuit, handle testing circuit, brake testing circuit, real-time speed testing circuit, current-limiting protection circuit, battery under-voltage protection circuit are set, and the pulse power driving circuit that is made of power tube MOSFET;
Described singlechip microprocessor is a detection signal with brake testing circuit, handle testing circuit, real-time speed testing circuit, cell pressure with by the working current of the power tube MOSFET of current-limiting protection circuit output, at no brake signal and when handgrip voltage is arranged in the pulse power driving circuit output motor drive signal; When being arranged, turn-offs brake signal the output of the motor drive signal of described power tube MOSFET; When the working current of power tube MOSFET surpassed setting value, singlechip microprocessor reduced the pulse width of pulse power driving circuit output drive signal.
Constructional feature of the present utility model also is:
Described power-switching circuit has MOS driving power Vcc and the output of 5V power supply two-way;
Described handle testing circuit is to receive the handle voltage signal by singlechip microprocessor by resistance R 1;
Described real-time speed testing circuit is to be detection signal with the motor voltage division signal, through amplifying and filtering A/D in chip microprocessor changes;
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, the utility model can adopt embedded scm, intelligent degree height, and hardware configuration is simple, the functional reliability height.
2, the utility model is to be detection signal with the motor voltage division signal to the motor speed in the battery-driven car real-world operation, does not need the operating speed sensor.
3, the utility model is exported drive pulse and is carried out width adjustment (PWM) circuit by scm software, and under non-limited current state, output direct drive signal effectively reduces the metal-oxide-semiconductor switching loss.
4, the utility model is to come the speed of a motor vehicle is controlled by the control horsepower output, rather than only voltage pulse output is regulated;
5, the utility model is to carry out the speed of a motor vehicle, the identification of handle signal by scm software, makes controller export adjustable power-assisted power.When controller is exported certain power,, only need increasing people devote every effort to help to ride and get final product if want to improve the speed of a motor vehicle.
Description of drawings:
Fig. 1 is the utility model schematic block circuit diagram;
Fig. 2 is the utility model schematic circuit diagram.
Below by the specific embodiment the utility model is further described:
Embodiment:
Singlechip microprocessor 8, power-switching circuit 1, handle testing circuit 2, brake testing circuit 3, real-time speed testing circuit 4, current-limiting protection circuit 6, battery under-voltage protection circuit 7 are set, and the pulse power driving circuit 5 that constitutes by power tube MOSFET;
Wherein, power-switching circuit 1 is to be power supply with the battery of electric vehicle, and the adjustment pipe mu balanced circuit that anode E+ forms by R17, R18, Q2, D4 produces the working power that drives the 15 volts of Vcc driving voltages and the LM358 of use for MOS; Described 15V driving voltage is converted to the 5V power supply through integrated package of pressure-stabilizing U1, as the working power of handgrip circuit, brake circuit and chip microprocessor.
Real-time speed testing circuit 4 is used for rotating speed of motor is detected, be to be detection signal with the motor voltage division signal, by resistance R 8 and 6 pairs of electric moter voltage dividing potential drops of resistance R, amplify through aerotron Q1, resistance R 5 and R10 signal, and in capacitor C 1, insert the A/D modular converter of chip microprocessor after the filtering;
Form current-limiting protection circuit 6 and battery under-voltage protection circuit 7 by op amp LM358 and resistor voltage divider circuit, amplify the A/D modular converter of back access chip microprocessor 8 from the motor sampling current of resistance R x.When surpassing setting value, chip microprocessor 8 reduces the drive pulse width; When cell pressure was lower than setting value, LM358 exported high level, detected and close drive signal by chip microprocessor 8.
Singlechip microprocessor 8 is a detection signal with brake testing circuit 3, handle testing circuit 2, real-time speed testing circuit 4, cell pressure with by the working current of the power tube MOSFET of current-limiting protection circuit 6 outputs, at no brake signal and when handgrip voltage is arranged in pulse power driving circuit 5 the output motor drive signal; When being arranged, turn-offs brake signal the output of the motor drive signal of described power tube MOSFET; When the working current of power tube MOSFET surpassed setting value, singlechip microprocessor 8 reduced the pulse width of pulse power driving circuit 7 output drive signals
According to bicyclist's autonomous operation, singlechip microprocessor detects handle incoming signal, motor speed and brake signal, enters and withdraw from assistant mode.In the use, after handgrip rotated, the speed signal of 8 pairs of motors of chip microprocessor detected, when road speed greater than per hour 3 kilometers the time, if this moment handgrip is turned to minimum, the work of micro controller system output pulse drive signal drive motor enters assistant mode.At this moment, controller is exported certain power, if want to improve the speed of a motor vehicle, only needs increasing people devote every effort to help to ride and gets final product.When brake signal effectively or road speed when per hour being lower than 3 kilometers, micro controller system turn-offs motor drive signal and also withdraws from this assistant mode.
Under non-assistant mode, the full electricity of battery-driven car travels, and by handgrip the horsepower output of motor is carried out stepless control.
Claims (7)
1, assistant mode battery-driven car brush motor controller, it is characterized in that being provided with singlechip microprocessor (8), power-switching circuit (1), handle testing circuit (2), brake testing circuit (3), real-time speed testing circuit (4), current-limiting protection circuit (6), battery under-voltage protection circuit (7), and the pulse power driving circuit (5) that constitutes by power tube MOSFET;
Described singlechip microprocessor (8) is a detection signal with brake testing circuit (3), handle testing circuit (2), real-time speed testing circuit (4), cell pressure with by the working current of the power tube MOSFET of current-limiting protection circuit (6) output, at no brake signal and when handgrip voltage is arranged in pulse power driving circuit (5) the output motor drive signal; When being arranged, turn-offs brake signal the output of the motor drive signal of described power tube MOSFET; When the working current of power tube MOSFET surpassed setting value, singlechip microprocessor (8) reduced the pulse width of pulse power driving circuit (7) output drive signal.
2, controller according to claim 1 is characterized in that described power-switching circuit (1) has MOS driving power Vcc and the output of 5V power supply two-way.
3, controller according to claim 2, it is characterized in that described power-switching circuit (1) is power supply with the battery of electric vehicle, anode E+ produces for MOS and drives 15 volts of Vcc driving voltages that use by the adjustment pipe mu balanced circuit of resistance R 17 and R18, aerotron Q2 and stabilivolt D4 composition; Described 15 volts of Vcc driving voltages are converted to the 5V power supply through integrated package of pressure-stabilizing U1.
4, controller according to claim 1 is characterized in that described handle testing circuit (2) is to receive the handle voltage signal by singlechip microprocessor (8) by resistance R 1.
5, controller according to claim 1 is characterized in that described real-time speed testing circuit (4) is is detection signal with the motor voltage division signal, through amplifying and filtering A/D in chip microprocessor (8) changes;
6, controller according to claim 5, it is characterized in that described real-time speed testing circuit (4) is by resistance R 8 and 6 pairs of electric moter voltage dividing potential drops of resistance R, amplify through aerotron Q1, resistance R 5 and R10 signal, and in capacitor C 1, insert the A/D modular converter of chip microprocessor after the filtering.
7, controller according to claim 1; it is characterized in that forming current-limiting protection circuit (6) and battery under-voltage protection circuit (7), amplify the A/D modular converter of back access chip microprocessor (8) from the motor sampling current of resistance R x by op amp LM358 and resistor voltage divider circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620070699XU CN2923415Y (en) | 2006-03-20 | 2006-03-20 | Moter (with brush) controller of boosted electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620070699XU CN2923415Y (en) | 2006-03-20 | 2006-03-20 | Moter (with brush) controller of boosted electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2923415Y true CN2923415Y (en) | 2007-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620070699XU Expired - Fee Related CN2923415Y (en) | 2006-03-20 | 2006-03-20 | Moter (with brush) controller of boosted electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2923415Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101844522A (en) * | 2010-04-28 | 2010-09-29 | 乐山华发电子科技股份有限公司 | Accelerating controller of electric automobile |
| CN102094754A (en) * | 2009-12-14 | 2011-06-15 | 谭宗享 | Electronic brake system for wind driven generator |
-
2006
- 2006-03-20 CN CNU200620070699XU patent/CN2923415Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094754A (en) * | 2009-12-14 | 2011-06-15 | 谭宗享 | Electronic brake system for wind driven generator |
| CN102094754B (en) * | 2009-12-14 | 2013-10-16 | 谭宗享 | Electronic brake system for wind driven generator |
| CN101844522A (en) * | 2010-04-28 | 2010-09-29 | 乐山华发电子科技股份有限公司 | Accelerating controller of electric automobile |
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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: 20070718 |