CN202545085U - Engine start power generation and power assisting device for automobile - Google Patents
Engine start power generation and power assisting device for automobile Download PDFInfo
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- CN202545085U CN202545085U CN2012201468585U CN201220146858U CN202545085U CN 202545085 U CN202545085 U CN 202545085U CN 2012201468585 U CN2012201468585 U CN 2012201468585U CN 201220146858 U CN201220146858 U CN 201220146858U CN 202545085 U CN202545085 U CN 202545085U
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Abstract
The utility model discloses an engine start power generation and power assisting device for an automobile. The device comprises an information analysis system, an energy storage part, a power converter and a motor, wherein the power converter is connected with the energy storage part and the motor respectively, and is connected with the information analysis system in a communication mode; the information analysis system has an analog input signal processing circuit, a digital input signal processing circuit and a communication circuit by using a microprocessor as a core; the energy storage part is a storage battery or a capacitor, and also can be commonly formed by both of the storage battery and the capacitor; the power converter is an electric energy conversion and transmission device; and the motor is an alternating current motor and is connected with an engine crankshaft by a belt. The device has high practical value and good application prospect in the automotive control device range.
Description
Technical field
The utility model relates to a kind of car engine start generating and power assisting device, belongs to the control apparatus of vehicle scope.
Background technique
The energy consumption of automobile and exhaust emissions problem become increasingly conspicuous.Automobile uses claw pole electric generator and dc starter at present, has the problem of following several respects:
1) the dc starter torque is less, thereby engine start is slower, causes too high oil consumption and discharging in the starting process;
2) claw pole electric generator efficient is lower, and the highest generating efficiency is usually less than 60%, and this is the key factor that influences engine consumption;
3) under the road conditions of blocking up, when the automobile waiting, motor still need keep idling mode and can not shut down, thereby causes fuel oil waste and exhaust emissions during the idling;
4) less and independent setting of starter motor and generator power need be overtaken other vehicles in short-term at vehicle and to be waited under the operating conditions, can't auxiliary power be provided for motor, and the while has also taken the more installing space of motor.
The model utility content
The purpose of the utility model is to provide a kind of car engine start generating and power assisting device; It can improve the starting-generating system of present automobile; Simplify its structure and expand its function; It is possessed use a cover electric system and realize the function of starting, generating and power-assisted, and can be according to the actual motion state and the demand of vehicle, time-sharing work be being piloted engine, the high efficiency generating, is being provided for motor under the operating mode such as auxiliary power.
To achieve these goals, the utility model has been taked following technological scheme.
A kind of car engine start generating of the utility model and power assisting device contain information analysis system, energy storage component, power inverter and motor.Relation is therebetween: power inverter is connected with motor with energy storage component respectively, and is connected with information analysis system through communication modes.
Said information analysis system is to be core with the microprocessor, possesses analog input signal processing circuit, digital input signals processing circuit and communicating circuit simultaneously; Relation is therebetween: the analog input port of microprocessor is connected with the analog input signal processing circuit, and the digital input port of microprocessor is connected with the digital input signals processing circuit, and the CAN PORT COM of microprocessor is connected with communicating circuit; This microprocessor is single-chip microcomputer or the DSP with above-mentioned port; This digital input signals processing circuit is made up of photo coupler, resistance and dc-isolation power supply; Relation is therebetween: the dc-isolation power supply is connected with the resistance input end; The resistance output terminal is connected with the photo coupler signal input port, and digital input signals is connected with the output port of photo coupler; This analog input signal processing circuit is made up of resistance, electric capacity and the DC electrical source of amplifier and its coupling; Relation is therebetween: DC electrical source links to each other with the power port of amplifier; Resistance is connected with input, the output signal end mouth of amplifier, and electric capacity is connected with the input signal port of amplifier; This communicating circuit is made up of CAN transceiver, photo coupler, resistance and dc-isolation power supply; Relation is therebetween: the dc-isolation power supply is connected with the resistance input end; The resistance output terminal is connected with the photo coupler signal input port, and the CAN signal is connected with the output port of photo coupler.Above-mentioned dc-isolation power supply is meant the DC/DC transducer that possesses electrical isolation; Above-mentioned DC electrical source is meant the power supply that direct current 15V, 5V and 3.3V can be provided; The model of above-mentioned amplifier is OP27; The model of above-mentioned photo coupler is 6N137.
Said energy storage component is storage battery or electric capacity, also can be by the two common composition;
Said power inverter is electric energy conversion and transmitting set, possesses electric energy transmitted in both directions function, can be that Ac is supplied with motor with the dc inverter that energy storage component provides, and also can be that direct current is supplied with energy storage component with the AC rectification that motor sends; Its structural type is: constitute three-phase full-controlled bridge by all-controlling power electronics device, the common port of each brachium pontis links to each other with motor three phase windings respectively, and dc bus is connected with energy storage component.
Said motor is an AC motor, but time-sharing work is connected with engine crankshaft through belt in motoring condition or generating state.
The input of information analysis system comprises: energy storage component state, gas pedal state, the speed of a motor vehicle, gear and clutch state.Comprehensive above-mentioned input information, information analysis system obtains output order, and the electric system of being made up of energy storage component, power inverter and motor works in following operating mode respectively:
When piloting engine, motor drags engine crankshaft by static beginning electric operation, in the hundreds of millisecond, accomplishes engine start.
During generating, motor gets into the generator operation state more than idling speed, will convert electric energy into from the mechanical energy of motor bent axle and flow to energy storage component through power inverter.
During power-assisted, motor in high rotating speed district get into motor-operated running state, drag engine crankshaft, for motor provides auxiliary power.
During shutdown, power inverter gets into holding state, does not have the electric energy transmission between energy storage component and the motor, and motor is in the state of closing down.
The beneficial effect of the utility model is:
1) this device can substitute the starter motor and the generator of two platform independent on the orthodox car with a motor, and motor and engine crankshaft adopt belt transmissioning mode, has compact structure, saves installing space, cost-effective advantage.
2) this device can quick start engine, can need the occasion of engine idle to realize engine shutdown at orthodox car, thereby effectively reduce the oil consumption and the discharging of motor.
3) this device can high efficiency generate electricity, and oil consumption is reduced.
4) this device can be motor the auxiliary power function is provided, and helps improving the power character of automobile.
Description of drawings
Fig. 1 is car engine start generating and power assisting device structural drawing
Symbol description is following among the figure:
1 information analysis system; 2 energy storage components; 3 power inverters; 4 motors.
Embodiment
Below in conjunction with Fig. 1 the utility model is described further:
A kind of car engine start generating of the utility model and power assisting device comprise information analysis system 1, energy storage component 2, power inverter 3 and motor 4.Wherein: the input of power inverter 3, output are connected with motor 4 with energy storage component 2 respectively; Power inverter 3 is connected with information analysis system 1 through communication modes.
Said information analysis system 1 is to be core with the microprocessor, possesses analog input signal processing circuit, digital input signals processing circuit and communicating circuit simultaneously; Relation is therebetween: the analog input port of microprocessor is connected with the analog input signal processing circuit, and the digital input port of microprocessor is connected with the digital input signals processing circuit, and the CAN PORT COM of microprocessor is connected with communicating circuit; This microprocessor is single-chip microcomputer or the DSP with above-mentioned port; This digital input signals processing circuit is made up of photo coupler, resistance and dc-isolation power supply; Relation is therebetween: the dc-isolation power supply is connected with the resistance input end, and the resistance output terminal is connected with the photo coupler signal input port, and digital input signals is connected with the output port of photo coupler; This analog input signal processing circuit is made up of resistance, electric capacity and the DC electrical source of amplifier and its coupling; Relation is therebetween: DC electrical source links to each other with the power port of amplifier, and resistance is connected with input, the output signal end mouth of amplifier, and electric capacity is connected with the input signal port of amplifier; This communicating circuit is made up of CAN transceiver, photo coupler, resistance and dc-isolation power supply.Relation is therebetween: the dc-isolation power supply is connected with the resistance input end, and the resistance output terminal is connected with the photo coupler signal input port, and the CAN signal is connected with the output port of photo coupler.Above-mentioned dc-isolation power supply is meant the DC/DC transducer that possesses electrical isolation; Above-mentioned DC electrical source is meant the power supply that direct current 15V, 5V and 3.3V can be provided; The model of above-mentioned amplifier is OP27; The model of above-mentioned photo coupler is 6N137.
Said energy storage component 2 is storage battery or electric capacity, also can be by the two common composition;
Said power inverter 3 is electric energy conversion and transmitting set, possesses electric energy transmitted in both directions function, can be that Ac is supplied with motor 4 with the dc inverter that energy storage component 2 provides, and also can be that direct current is supplied with energy storage component with the AC rectification that motor 4 sends; Its structural type is: constitute three-phase full-controlled bridge by all-controlling power electronics device, the common port of each brachium pontis links to each other with motor three phase windings respectively, and dc bus is connected with energy storage component.
Said motor 4 is AC motor, but time-sharing work is connected with engine crankshaft through belt in motoring condition or generating state.
The input of information analysis system 1 comprises: energy storage component state, gas pedal state, the speed of a motor vehicle, gear and clutch state.Comprehensive above-mentioned input information, information analysis system 1 obtains output order.
Based on the output order of information system 1, the electric system of being made up of energy storage component 2, power inverter 3 and motor 4 works in following operating mode respectively:
When power inverter 3 obtain piloting engine when instruction, motor 4 begins the low speed electric operation by state of rest, electric energy by energy storage component 2 through power inverter 3 flow direction motors 4.Motor 4 drags engine crankshaft and rotates, and in the hundreds of millisecond, accomplishes engine start.
When power inverter 3 obtained power generation command, motor 4 got into the generator operation state more than idling speed, and its input derives from the mechanical energy of engine crankshaft, and the electric energy of output flows to energy storage component 5 through power inverter 3.
When power inverter 3 obtains power-assisted when instruction, motor 4 in high rotating speed district get into motor-operated running state, electric energy by energy storage component 2 through power inverter 3 flow direction motors 4.Motor 4 drags engine crankshaft and rotates, and is embodied as the function that motor provides auxiliary power.
When power inverter 3 obtained halt instruction, power inverter 3 got into holding state, between energy storage component 2 and motor 4, did not have the electric energy transmission this moment, and motor is in the state of closing down, and helps reducing oil consumption and discharging.
Claims (1)
1. a car engine start generates electricity and power assisting device, and it is characterized in that: it contains information analysis system, energy storage component, power inverter and motor; Power inverter is connected with motor with energy storage component respectively, and is connected with information analysis system through communication modes;
Said information analysis system is to be core with the microprocessor, possesses analog input signal processing circuit, digital input signals processing circuit and communicating circuit simultaneously; The analog input port of microprocessor is connected with the analog input signal processing circuit, and the digital input port of microprocessor is connected with the digital input signals processing circuit, and the CAN PORT COM of microprocessor is connected with communicating circuit; This microprocessor is single-chip microcomputer or the DSP with above-mentioned port; This digital input signals processing circuit is made up of photo coupler, resistance and dc-isolation power supply; The dc-isolation power supply is connected with the resistance input end; The resistance output terminal is connected with the photo coupler signal input port, and digital input signals is connected with the output port of photo coupler; This analog input signal processing circuit is made up of resistance, electric capacity and the DC electrical source of amplifier and its coupling, and DC electrical source links to each other with the power port of amplifier, and resistance is connected with input, the output signal end mouth of amplifier, and electric capacity is connected with the input signal port of amplifier; This communicating circuit is made up of CAN transceiver, photo coupler, resistance and dc-isolation power supply; The dc-isolation power supply is connected with the resistance input end; The resistance output terminal is connected with the photo coupler signal input port, and the CAN signal is connected with the output port of photo coupler; Above-mentioned dc-isolation power supply is meant the DC/DC transducer that possesses electrical isolation; Above-mentioned DC electrical source is meant the power supply that direct current 15V, 5V and 3.3V can be provided;
Said energy storage component is storage battery or electric capacity, also can be by the two common composition;
Said power inverter is electric energy conversion and transmitting set, and its structural type is: constitute three-phase full-controlled bridge by all-controlling power electronics device, the common port of each brachium pontis links to each other with motor three phase windings respectively, and dc bus is connected with energy storage component;
Said motor is an AC motor, is connected with engine crankshaft through belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201468585U CN202545085U (en) | 2012-04-09 | 2012-04-09 | Engine start power generation and power assisting device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201468585U CN202545085U (en) | 2012-04-09 | 2012-04-09 | Engine start power generation and power assisting device for automobile |
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| CN202545085U true CN202545085U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201468585U Expired - Fee Related CN202545085U (en) | 2012-04-09 | 2012-04-09 | Engine start power generation and power assisting device for automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485898A (en) * | 2013-08-22 | 2014-01-01 | 北京交通大学 | Diesel engine quick start auxiliary electronic controller and control method |
| CN106487135A (en) * | 2015-08-24 | 2017-03-08 | 通用汽车环球科技运作有限责任公司 | For having the motor of the hybrid power system of engine belt drive |
| US10205358B2 (en) | 2014-04-12 | 2019-02-12 | GM Global Technology Operations LLC | Electric machine for a vehicle powertrain and the electric machine includes a permanent magnet |
| CN113464275A (en) * | 2021-08-12 | 2021-10-01 | 中车大连机车车辆有限公司 | Diesel locomotive generator set with optimized emission and energy efficiency level |
-
2012
- 2012-04-09 CN CN2012201468585U patent/CN202545085U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485898A (en) * | 2013-08-22 | 2014-01-01 | 北京交通大学 | Diesel engine quick start auxiliary electronic controller and control method |
| US10205358B2 (en) | 2014-04-12 | 2019-02-12 | GM Global Technology Operations LLC | Electric machine for a vehicle powertrain and the electric machine includes a permanent magnet |
| CN106487135A (en) * | 2015-08-24 | 2017-03-08 | 通用汽车环球科技运作有限责任公司 | For having the motor of the hybrid power system of engine belt drive |
| US10284036B2 (en) | 2015-08-24 | 2019-05-07 | GM Global Technology Operations LLC | Electric machine for hybrid powertrain with engine belt drive |
| CN113464275A (en) * | 2021-08-12 | 2021-10-01 | 中车大连机车车辆有限公司 | Diesel locomotive generator set with optimized emission and energy efficiency level |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20121121 Termination date: 20140409 |