CN204677350U - Engine starting gear - Google Patents
Engine starting gear Download PDFInfo
- Publication number
- CN204677350U CN204677350U CN201520409300.5U CN201520409300U CN204677350U CN 204677350 U CN204677350 U CN 204677350U CN 201520409300 U CN201520409300 U CN 201520409300U CN 204677350 U CN204677350 U CN 204677350U
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- CN
- China
- Prior art keywords
- magnetogenerator
- circuit
- engine starting
- starting gear
- output terminal
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- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
A kind of engine starting gear that the utility model provides, comprise magnetogenerator and the control circuit for controlling magnetogenerator work, described control circuit comprises the detection unit for detecting magnetogenerator counterelectromotive force, the control unit be connected with described detection unit output terminal and the driver element for driving magnetogenerator work be connected with described control unit output terminal, engine starting gear of the present utility model, magnetogenerator and starting electrical machinery are united two into one, decrease the mechanical part in starting drive, enormously simplify the structure of starting drive, reduce cost of production and production difficulty, and do not adopt Hall element in the controlling, substantially increase the reliability and stability of whole system, conveniently arrange installation.
Description
Technical field
The utility model relates to a kind of engine apparatus, particularly relates to a kind of engine starting gear.
Background technique
In prior art, drive motor and magneto ignition to start and the starting drive entering working state by parts such as starting electrical machinery, free wheel device, boot disk gear, flywheel, back-up rings, this traditional starting drive causes complex structure, user cost and cost of production high, reliability is low, and in the working procedure of magnetogenerator, the position of magnetogenerator is detected by Hall element, output due to Hall element is acted upon by temperature changes very large, and be nonlinear object, and control load, therefore causes the poor reliability of engine system.
Therefore, need to propose a kind of new engine starting gear, can effective simplified structure, reduce cost of production and production difficulty, and the reliability of effective raising engine start.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of engine starting gear, can effective simplified structure, reduces cost of production and production difficulty, and effectively improves the reliability of engine start.
A kind of engine starting gear that the utility model provides, comprise magnetogenerator and the control circuit for controlling magnetogenerator work, the driver element for driving magnetogenerator work that described control circuit comprises the detection unit for detecting magnetogenerator counterelectromotive force, the control unit be connected with described detection unit output terminal and is connected with described control unit output terminal.
Further, described detection unit comprise three structures identical and be respectively used to the testing circuit of the counterelectromotive force detecting magnetogenerator three-phase.
Further, described testing circuit comprises resistance R9 and resistance R8, one end of resistance R9 is connected to the coil of magnetogenerator, and the other end is connected to the input end of control unit as the output terminal of testing circuit, and the points of common connection of the coil of described resistance R9 and magnetogenerator is by resistance R8 ground connection.
Further, described control unit comprises the micro-processor interface circuit being connected amplification circuit, the processing circuit be connected with described amplification circuit output end with the output terminal of testing circuit and being connected with processing circuit output terminal, and the output terminal of described micro-processor interface circuit is connected with the input end of driver element.
Further, described amplification circuit is LM339 chip.
Further, described processing circuit is jy01a chip.
Further, described micro-processor interface circuit is STM32F103 chip.
Further, described drive circuit comprises driving chip IR2101 and inverter, and wherein, driving chip IR2101 is three and drives the inverter corresponding with magnetogenerator three-phase coil respectively, and the input end of driving chip IR2101 is connected with the output terminal of control unit.
Further, also comprise the power supply unit for powering to driver element and control unit, described power supply unit comprises the first power supply unit and the second power supply unit, and described first power supply unit is powered to driver element, and the second power supply unit is powered to control unit.
The beneficial effects of the utility model: engine starting gear of the present utility model, magnetogenerator and starting electrical machinery are united two into one, decrease the mechanical part in starting drive, enormously simplify the structure of starting drive, reduce cost of production and production difficulty, and do not adopt Hall element in the controlling, substantially increase the reliability and stability of whole system, conveniently arrange installation.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the schematic diagram of testing circuit of the present utility model.
Fig. 3 is the circuit theory diagrams of driver element of the present utility model.
Fig. 4 is the circuit theory diagrams of the first power supply unit of the present utility model.
Embodiment
Fig. 1 is theory diagram of the present utility model, Fig. 2 is the schematic diagram of testing circuit of the present utility model, Fig. 3 is the circuit theory diagrams of driver element of the present utility model, Fig. 4 is the circuit theory diagrams of the first power supply unit of the present utility model, as shown in the figure, a kind of engine starting gear that the utility model provides, comprise magnetogenerator and the control circuit for controlling magnetogenerator work, described control circuit comprises the detection unit for detecting magnetogenerator counterelectromotive force, the control unit be connected with described detection unit output terminal and the driver element for driving magnetogenerator work be connected with described control unit output terminal, engine starting gear of the present utility model, magnetogenerator and starting electrical machinery are united two into one, decrease the mechanical part in starting drive, enormously simplify the structure of starting drive, reduce cost of production and production difficulty, and do not adopt Hall element in the controlling, substantially increase the reliability and stability of whole system, conveniently arrange installation.
In the present embodiment, described detection unit comprise three structures identical and be respectively used to the testing circuit of the counterelectromotive force detecting magnetogenerator three-phase, described testing circuit comprises resistance R9 and resistance R8, one end of resistance R9 is connected to the coil of magnetogenerator, the other end is connected to the input end of control unit as the output terminal of testing circuit, the points of common connection of the coil of described resistance R9 and magnetogenerator is by resistance R8 ground connection, at this as shown in Figure 2, what represent in Fig. 2 is the testing circuit of the three-phase corresponding respectively to magnetogenerator, accurately can detect the counterelectromotive force of each phase, the problem of temperature influence avoiding employing Hall element to cause and the problem of nonlinear object, improve reliability and the stability of work.
In the present embodiment, described control unit comprises the micro-processor interface circuit being connected amplification circuit, the processing circuit be connected with described amplification circuit output end with the output terminal of testing circuit and being connected with processing circuit output terminal, the output terminal of described micro-processor interface circuit is connected with the input end of driver element, wherein, described amplification circuit is LM339 chip, described processing circuit is jy01a chip, described micro-processor interface circuit is STM32F103 chip, certainly, each chip in above-mentioned also has other peripheral circuit, belong to prior art, not in this to go forth
Wherein, control unit first exports PWM ripple to driver element, the switch of the metal-oxide-semiconductor of control inverter; Thus make magnetogenerator work, magnetogenerator testing circuit when rotating detects the counterelectromotive force of magnetogenerator three-phase and is input in control unit, control unit judges this counterelectromotive force whether Zero Crossing Point, if do not have Zero Crossing Point to continue to make magnetogenerator rotate with regard to the dutycycle continuing adjustment PWM ripple, testing circuit detects again the counterelectromotive force whether Zero Crossing Point of magnetogenerator, after back electromotive force zero-crossing being detected, control unit is just switched to speed closed loop pattern control, carry out speed governing by the parameter adjusting PID, control drive unit drives magnetogenerator normal rotation by PWM ripple.Magnetogenerator driven gets up to drive engine crankshaft move thus make engine start.
In the present embodiment, described driver element comprises driving chip IR2101 and inverter, wherein, driving chip IR2101 is three and drives the inverter corresponding with magnetogenerator three-phase coil respectively, the input end of driving chip IR2101 is connected with the output terminal of control unit, driver element is according to the control command controlling control unit output, perform corresponding action, wherein, in driver element, MA represents the A phase coil being connected to magnetogenerator, and the B phase of magnetogenerator is identical with the structure of A phase with the drive circuit of C phase.
In the present embodiment, also comprise the power supply unit for powering to driver element and control unit, described power supply unit comprises the first power supply unit and the second power supply unit, and described first power supply unit is powered to driver element, and the second power supply unit is powered to control unit, wherein, first power supply unit adopts LM317 power supply chip, the 15V power supply of stable output, and the second power supply unit adopts 78L05 power supply chip, the 5V power supply of stable output, ensures the utility model stable operation.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. an engine starting gear, it is characterized in that: comprise magnetogenerator and the control circuit for controlling magnetogenerator work, the driver element for driving magnetogenerator work that described control circuit comprises the detection unit for detecting magnetogenerator counterelectromotive force, the control unit be connected with described detection unit output terminal and is connected with described control unit output terminal.
2. engine starting gear according to claim 1, is characterized in that: described detection unit comprise three structures identical and be respectively used to the testing circuit of the counterelectromotive force detecting magnetogenerator three-phase.
3. engine starting gear according to claim 2, it is characterized in that: described testing circuit comprises resistance R9 and resistance R8, one end of resistance R9 is connected to the coil of magnetogenerator, the other end is connected to the input end of control unit as the output terminal of testing circuit, and the points of common connection of the coil of described resistance R9 and magnetogenerator is by resistance R8 ground connection.
4. engine starting gear according to claim 1, it is characterized in that: described control unit comprises the micro-processor interface circuit being connected amplification circuit, the processing circuit be connected with described amplification circuit output end with the output terminal of testing circuit and being connected with processing circuit output terminal, and the output terminal of described micro-processor interface circuit is connected with the input end of driver element.
5. engine starting gear according to claim 4, is characterized in that: described amplification circuit is LM339 chip.
6. engine starting gear according to claim 4, is characterized in that: described processing circuit is jy01a chip.
7. engine starting gear according to claim 4, is characterized in that: described micro-processor interface circuit is STM32F103 chip.
8. engine starting gear according to claim 1, it is characterized in that: described drive circuit comprises driving chip IR2101 and inverter, wherein, driving chip IR2101 is three and drives the inverter corresponding with magnetogenerator three-phase coil respectively, and the input end of driving chip IR2101 is connected with the output terminal of control unit.
9. engine starting gear according to claim 1, it is characterized in that: also comprise the power supply unit for powering to driver element and control unit, described power supply unit comprises the first power supply unit and the second power supply unit, described first power supply unit is powered to driver element, and the second power supply unit is powered to control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520409300.5U CN204677350U (en) | 2015-06-12 | 2015-06-12 | Engine starting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520409300.5U CN204677350U (en) | 2015-06-12 | 2015-06-12 | Engine starting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204677350U true CN204677350U (en) | 2015-09-30 |
Family
ID=54177046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520409300.5U Expired - Fee Related CN204677350U (en) | 2015-06-12 | 2015-06-12 | Engine starting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204677350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010681A1 (en) * | 2021-08-03 | 2023-02-09 | 广东威灵电机制造有限公司 | Closed-loop switching method and apparatus for electric motor, and electronic device and storage medium |
-
2015
- 2015-06-12 CN CN201520409300.5U patent/CN204677350U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023010681A1 (en) * | 2021-08-03 | 2023-02-09 | 广东威灵电机制造有限公司 | Closed-loop switching method and apparatus for electric motor, and electronic device and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20170612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |