CN201341107Y - Energy-reclaiming motor driver and electric vehicle - Google Patents
Energy-reclaiming motor driver and electric vehicle Download PDFInfo
- Publication number
- CN201341107Y CN201341107Y CNU2008201761264U CN200820176126U CN201341107Y CN 201341107 Y CN201341107 Y CN 201341107Y CN U2008201761264 U CNU2008201761264 U CN U2008201761264U CN 200820176126 U CN200820176126 U CN 200820176126U CN 201341107 Y CN201341107 Y CN 201341107Y
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- motor driver
- energy resource
- resource recycling
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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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Abstract
The utility model discloses an energy-reclaiming motor driver, which comprises a shell, a control circuit, a signal acquisition element, a power transistor exciting circuit and a power drive circuit installed on a circuit board. The energy-reclaiming motor driver is characterized in that a single chip microcomputer is electrically connected with the power transistor exciting circuit and the power transistor exciting circuit is electrically connected with the power drive circuit. The utility model also discloses an electric vehicle provided with the energy-reclaiming motor driver. A battery, two front wheels, two rear wheels, a speed adjusting device, a steering device, an illuminating device and a three-phase DC brushless motor are connected with the electric vehicle. The utility model has the advantages that the electric energy is reclaimed at any time during driving, the use efficiency of the electric energy of the battery is improved and the miles that the vehicle can run are increased.
Description
Technical field
The present invention relates to a kind of energy resource recycling motor driver, particularly the electric motor car driver of energy recovery and electric motor car.
Background technology
Existing electric motor car, take the interior electric energy of storage battery as the energy, the very big electric current of storage battery output just can be finished vehicle ' in the process of going up a slope, in the process of descending, because the too fast needs of the speed of a motor vehicle on vehicle landslide carry out braking brake, on brake gear, produce very big heat in the process of braking brake; When on level road, travelling in addition, when running into emergency and red light, need carry out braking brake, the consumption that these brakes all can produce the energy; The size of the total weight of vehicle has directly influenced the distance of travelling of storage battery.
Generally speaking, battery-driven electric motor car, the voltage ratio of generating was lower when it slided, can not be directly to charge in batteries, in existing patented technology, what take is to charge a battery after this voltage is boosted, and needs the configuration electricity generating controller, and the efficient that this way reclaims is extremely low, the circuit complexity, the failure rate height, the driver needs frequent operation, and what really can use is very few.
Summary of the invention
Deficiency in view of the background technology existence, the technical problem to be solved in the present invention provides a kind of energy resource recycling motor driver and electric motor car, directly utilize motor driver to control and carried out the electric energy recovery, finish the recovery of electric energy with braking brake, electric motor car can also be regulated the size of charging current automatically according to the intensity size of braking brake.For this reason, the present invention takes following technical scheme to solve above-mentioned technical problem: a kind of energy resource recycling motor driver, comprise shell, be installed in control circuit, signal collecting element, power tube exciting circuit, power driving circuit on the circuit board, it is characterized in that single-chip microcomputer is electrically connected with described power tube exciting circuit, described power tube exciting circuit is electrically connected with described power driving circuit; Be that signal collecting element is the brake signal acquisition elements, this brake signal acquisition elements is connected with actuator electrical; Be that signal collecting element is speed, brake signal acquisition elements, this speed, brake signal acquisition elements are connected with described actuator electrical; Be that the power driving circuit in the described driver is the field effect transistor bridge circuit; Be that described driver is electrically connected with motor rotor position sensor; Being has drive current current-limiting circuit and freewheel current current-limiting circuit on the described motor driver; Be described drive current current-limiting circuit and described freewheel current current-limiting circuit common current sample resistance; Be that the every phase of described motor driver all has current sampling resistor.
A kind of electric motor car with above-mentioned energy resource recycling motor driver is that also storage battery, front-wheel, trailing wheel, speed adjusting device, transfer, lighting device, three-phase direct-current brushless motor all are connected with electric motor car.
Both can drive motors rotating of disposing in electric motor car also can be rotated motor the electric energy that the be exported driver to charge in batteries, makes this driver not only have the function of driving but also have charge function, kills two birds with one stone; The brake signal acquisition elements is housed in the electric motor car, and subjective is when car brakeing is braked, and has realized the charging to storage battery; Speed adjusting device comprises signal collecting element, and the signal that this acquisition elements produces not only can be used as rate signal but also can be used as the braking strength signal, directly with the handle signal as the braking brake signal, make handle more convenient; The power driving circuit that adopts in the described driver is the field effect transistor bridge circuit, on the described bridge circuit or down at least two power tubes on the brachium pontis are opened at least one the power tube in back and are closed, make motor windings produce freewheel current, this freewheel current is to charge in batteries, make drive circuit and charging circuit power field effect pipe in the driver shared, make circuit reduction; On the described dc brushless motor rotor-position sensor has been installed, described driver makes corresponding motor windings produce freewheel current according to the signal of this sensor acquisition, makes the charging control flow simpler; Drive current current-limiting circuit and loop current current-limiting circuit or freewheel current current-limiting circuit are arranged on the described motor driver, described drive current current-limiting circuit and loop current current-limiting circuit or freewheel current current-limiting circuit common current sample resistance, the every phase of described motor driver all has current sampling resistor, guarantee drive operation in lowest high-current value, guaranteed the stable of work.Above-mentioned energy resource recycling motor driver is installed in the electric motor car, has obviously improved the distance travelled of storage battery,, in the useful life of having improved storage battery, make vehicle increase a cover brake device owing to short time large current charge to battery.
Description of drawings
Further describe relevant details of the present invention below more in conjunction with the accompanying drawings.
Fig. 1 is a motor driver circuit schematic diagram of the present invention.
Embodiment
A kind of energy resource recycling motor driver, comprise shell, be installed in control circuit, signal collecting element, power tube exciting circuit, power driving circuit on the circuit board, it is characterized in that single-chip microcomputer is electrically connected with described power tube exciting circuit, described power tube exciting circuit is electrically connected with described power driving circuit; Be that signal collecting element is the brake signal acquisition elements, this brake signal acquisition elements is connected with actuator electrical; Be that signal collecting element is speed, brake signal acquisition elements, this speed, brake signal acquisition elements are connected with described actuator electrical; Be that the power driving circuit in the described driver is the field effect transistor bridge circuit; Be that described driver is electrically connected with motor rotor position sensor; Being has drive current current-limiting circuit and freewheel current current-limiting circuit on the described motor driver; Be described drive current current-limiting circuit and described freewheel current current-limiting circuit common current sample resistance; Be that the every phase of described motor driver all has current sampling resistor.
A kind of electric motor car with above-mentioned energy resource recycling motor driver is that also storage battery, front-wheel, trailing wheel, speed adjusting device, transfer, lighting device, three-phase direct-current brushless motor all are connected with electric motor car.
Fig. 1 illustrates three-phase direct-current brushless motor driver circuit schematic diagram, D1 to D6 among the figure is a fly-wheel diode, ground wire connects the negative pole of storage battery, + 48V connects the positive pole of storage battery, M1 to M6 is the N channel field-effect pipe of power driving circuit, M1, M2 are corresponding, M3, M4 are corresponding, M5, M6 are corresponding, M1 to M6 has constituted six brachium pontis, comprised above-mentioned diode (as having comprised D1 among the M1) in field effect transistor, N6, N5, N4 are the exciter tube of opening of M1, M3, M5, and P6, P5, P4 are the pass exciter tube of M1, M3, M5; N1, N2, N3 are the exciter tube of opening of M2, M4, M6, and P1, P2, P3 are the pass exciter tube of M2, M4, M6; I1, I2, I3 are the winding of dc brushless motor, HRA, HRB, HRC are the Hall element that is installed on the dc brushless motor, are used to detect the position of rotor, HRA, HRB, detected phase phasic difference 120 degree of HRC; SPEED is a speed acquisition element on the speed adjusting device, adopt linear hall element, BLK is the brake acquisition elements, adopt linear hall element, IC1 is a singlechip microcontroller, R1 is a current sampling resistor, and RA, RB, RC are each phase current sample resistance, and the output signal pin is connected with exciting circuit; D8, D9, D10 boostrap circuit diode, the storage capacitor of C1, C2, C3 boostrap circuit, IC1, N7 to N12 and exciting circuit have been formed control circuit.
Combination principle map analysis operation principle: present embodiment is a driver for brushless DC motor, the operation principle of driver drives aspect is very easy to understand from schematic diagram, no longer introduces here, introduce the principle of driver, be convenient to this driver is installed in the electric motor car to charge in batteries.
At first, the signal that driver is gathered according to BLK, judgement need be made braking brake, according to HRA, HRB, the signal that HRC gathers, determine where to organize winding and produce maximum voltage and direction, as: HRA, HRB, the voltage maximum that reflects coil I1+I2 in the HRC acquired signal, sense of current A-〉winding-B, opening M2 and M4 pipe makes loop circuit produce electric current, the sense of current is I1-〉I2-〉M4-〉RB-〉RA-〉M2 or D2-〉I1, the electric current straight line rises, detect the voltage of the last sampling of RB simultaneously and deliver to loop current current-limiting circuit or drive current current-limiting circuit, determine whether overcurrent of electric current, close the M4 pipe during overcurrent, close the M4 pipe after time through time-delay N microsecond, freewheel current loop by the I1+I2 generation: I1-〉I2-〉D3-〉battery positive voltage-battery terminal negative-R1-〉RA-〉M2 or D2-〉I1, detect the voltage of the last sampling of R1 this moment and deliver to the freewheel current current-limiting circuit, determine whether overcurrent of electric current, during overcurrent, the time of above-mentioned N microsecond is shortened, and the continuous current circuit of generation charges a battery.Driver is strong more according to the signal that BLK gathers, and it is long more to set the N microsecond time.When each braking brake was started working, the time of its N microsecond was from short.
During the driver drives motor, detect the voltage that R1 goes up sampling and deliver to the drive current current-limiting circuit, determine whether overcurrent of electric current, regulate drive current during overcurrent and diminish.Speed in the speed adjusting device, brake signal acquisition elements adopt a linear hall element, the signal that this element produces not only can be used as rate signal but also can be used as the braking strength signal, principle is introduced: the signal voltage range of linear hall element collection is generally 1.0 to 4.0 volts, from 1.0 to 2.0 is the braking brake district, the low more braking brake of voltage is strong more, from 2.2 to 4.0 are the speed regulation district, and voltage is high-speed more fast more.
Claims (9)
1, a kind of energy resource recycling motor driver, comprise shell, be installed in control circuit, signal collecting element, power tube exciting circuit, power driving circuit on the circuit board, it is characterized in that single-chip microcomputer is electrically connected with described power tube exciting circuit, described power tube exciting circuit is electrically connected with described power driving circuit.
2, energy resource recycling motor driver according to claim 1 is characterized in that signal collecting element is the brake signal acquisition elements, and this brake signal acquisition elements is connected with actuator electrical.
3, energy resource recycling motor driver according to claim 1 is characterized in that signal collecting element is speed, brake signal acquisition elements, and this speed, brake signal acquisition elements are connected with described actuator electrical.
4, energy resource recycling motor driver according to claim 1 is characterized in that the power driving circuit in the described driver is the field effect transistor bridge circuit.
5, energy resource recycling motor driver according to claim 4 is characterized in that described driver is electrically connected with motor rotor position sensor.
6, energy resource recycling motor driver according to claim 1 is characterized in that drive current current-limiting circuit and freewheel current current-limiting circuit are arranged on the described motor driver.
7, energy resource recycling motor driver according to claim 6 is characterized in that described drive current current-limiting circuit and described freewheel current current-limiting circuit common current sample resistance.
8, energy resource recycling motor driver according to claim 1 is characterized in that the every phase of described motor driver all has current sampling resistor.
9, a kind of electric motor car with any one described energy resource recycling motor driver of claim 1-8 is characterized in that storage battery, front-wheel, trailing wheel, speed adjusting device, transfer, lighting device, three-phase direct-current brushless motor all are connected with electric motor car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201761264U CN201341107Y (en) | 2008-11-05 | 2008-11-05 | Energy-reclaiming motor driver and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201761264U CN201341107Y (en) | 2008-11-05 | 2008-11-05 | Energy-reclaiming motor driver and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201341107Y true CN201341107Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201761264U Expired - Fee Related CN201341107Y (en) | 2008-11-05 | 2008-11-05 | Energy-reclaiming motor driver and electric vehicle |
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| CN (1) | CN201341107Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660959A (en) * | 2012-09-04 | 2014-03-26 | 现代摩比斯株式会社 | Power supply stabilization device of electric booster system and method thereof |
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2008
- 2008-11-05 CN CNU2008201761264U patent/CN201341107Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660959A (en) * | 2012-09-04 | 2014-03-26 | 现代摩比斯株式会社 | Power supply stabilization device of electric booster system and method thereof |
| CN103660959B (en) * | 2012-09-04 | 2016-07-13 | 现代摩比斯株式会社 | The power stabilization devices and methods therefor of Electric booster system |
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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: 20091104 Termination date: 20121105 |