CN102097936A - Range-enhanced electromobile generating system - Google Patents
Range-enhanced electromobile generating system Download PDFInfo
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- CN102097936A CN102097936A CN2010106058421A CN201010605842A CN102097936A CN 102097936 A CN102097936 A CN 102097936A CN 2010106058421 A CN2010106058421 A CN 2010106058421A CN 201010605842 A CN201010605842 A CN 201010605842A CN 102097936 A CN102097936 A CN 102097936A
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Abstract
The invention discloses a range-enhanced electromobile generating system which comprises an engine, an alternating current permanent magnet synchronous motor, a diode rectifier, a non-isolated DC/DC (Direct Current/Direct Current) convertor and a power generation control unit; after being started, the engine drags the alternating current permanent magnet synchronous motor; after being dragged, the alternating current permanent magnet synchronous motor outputs three-phase alternating current to the diode rectifier; the control unit is connected with the non-isolated DC/DC converter and is used for outputting a control-driven signal to control and regulate the output voltage and the output current of the non-isolated DC/DC converter; the diode rectifier outputs and connects with the non-isolated DC/DC converter and is used for rectifying the three-phase alternating current and outputting the direct current to the non-isolated DC/DC converter; and the non-isolated DC/DC converter is used for carrying out voltage boosting and voltage reducing on the input direct current and then outputting. The range-enhanced electromobile generating system disclosed by the invention has low cost.
Description
Technical field
The present invention relates to automotive engineering, particularly relate to a kind of stroke-increasing electric automobile electricity generation system.
Background technology
The cost of electric automobile is the bottleneck of its industrialized development of restriction.Stroke-increasing electric automobile mainly comprises three parts as shown in Figure 1: electricity generation system, power-driven system, battery system.
To satisfy following demand on the electricity generation system function of stroke-increasing electric automobile: can export adjustable direct voltage, electric current; Can help engine start.
Existing stroke-increasing electric automobile electricity generation system comprises an engine controller ECU, an engine, an AC permanent magnet synchronous motor, a position transducer, an inverter, a Generation Control unit as shown in Figure 2; Inverter has two kinds of functional modes, and a kind of is the rectification pattern, and another kind is an inverter mode; The Generation Control unit comprises control circuit and drive circuit two parts, and the control circuit of Generation Control unit can work in rectification pattern or inverter mode by control inverter.
When engine drags AC permanent magnet synchronous motor, if inverter works in the rectification pattern, the Generation Control unit can be transformed to direct current with the alternating current that AC permanent magnet synchronous motor provides by control inverter, and regulates the VD and the output current of inverter;
If Generation Control unit controls inverter works in inverter mode, then the Generation Control unit can be controlled AC permanent magnet synchronous motor and drags engine and finish startup.
There is following technological deficiency in existing stroke-increasing electric automobile electricity generation system:
1) inverter topology needs six full-control type power switch pipes for adopting the three-phase inverter bridge circuit of full-control type device for power switching, and full-control type power switch pipe quantity is more, and cost is higher;
2) need control AC permanent magnet synchronous motor, drive six road power switch pipe work simultaneously, control algolithm complexity, electricity generation system need separate configurations Generation Control unit;
3) owing to need control AC permanent magnet synchronous motor, so need position transducer, position transducer and treatment circuit price thereof are more expensive.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of stroke-increasing electric automobile electricity generation system, and cost is low.
For solving the problems of the technologies described above, stroke-increasing electric automobile electricity generation system of the present invention comprises: engine, AC permanent magnet synchronous motor, diode rectifier, non-isolation type DC/DC converter, Generation Control unit;
Engine drags AC permanent magnet synchronous motor after startup;
AC permanent magnet synchronous motor is dragged back output three-phase alternating current to diode rectifier;
Diode rectifier, output connects non-isolation type DC/DC converter, is used for three-phase alternating current electric rectification output DC to non-isolation type DC/DC converter;
Control unit connects non-isolation type DC/DC converter, is used to export output voltage, the output current that the controlling and driving signal controlling is regulated non-isolation type DC/DC converter;
Non-isolation type DC/DC converter, be used for to the input direct current boost or step-down after export.
Stroke-increasing electric automobile electricity generation system of the present invention also comprises a starter, and described starter is used for ato unit.
Described diode rectifier comprises that six do not control the type diode, do not control the type diode for six and be connected into three-phase commutation bridge output, the positive pole of three-phase commutation bridge connects the input positive pole of non-isolation type DC/DC converter, and the negative pole of three-phase commutation bridge connects the input negative pole of non-isolation type DC/DC converter.
Non-isolation type DC/DC converter can be the Buck circuit, comprise a triode, one energy storage inductor, one filter capacitor, one diode, the base stage of triode is used to connect the controlling and driving signal of control unit, the collector electrode of triode is as the input positive pole of non-isolation type DC/DC converter, the emitter of triode connects the negative electrode of diode and an end of energy storage inductor, the anode of diode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, the other end of energy storage inductor is as the output cathode of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
Non-isolation type DC/DC converter can be the Boost circuit, comprise a triode, one energy storage inductor, one filter capacitor, one diode, one end of energy storage inductor is as the input positive pole of non-isolation type DC/DC converter, the collector electrode of another termination triode and the anode of diode, the negative electrode of diode is as the output cathode of non-isolation type DC/DC converter, the base stage of triode is used to connect the controlling and driving signal of control unit, the emitter of triode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
Described triode is metal oxide semiconductor field effect tube or insulated gate bipolar transistor.
Stroke-increasing electric automobile electricity generation system of the present invention, engine is started by traditional starter; When engine drags AC permanent magnet synchronous motor, realize that by diode rectifier alternating current arrives galvanic conversion, because diode rectifier does not need control, so the Generation Control unit only need be controlled non-isolation type DC/DC converter and get final product, and non-isolation type DC/DC converter topology is simple, only need control one road power switch pipe work, control algolithm is easy, so the Generation Control unit can be simplified, can merge with other control unit, for example the driving control unit of Generation Control unit and power-driven system can be merged, therefore can save the cost of Generation Control unit; Stroke-increasing electric automobile electricity generation system of the present invention, main circuit structure is made up of diode rectifier and non-isolation type DC/DC converter, main circuit structure has only a full-control type power switch pipe in the non-isolation type DC/DC converter, the rest switch pipe is uncontrollable device, has reduced the cost of full-control type power switch pipe; Stroke-increasing electric automobile electricity generation system of the present invention does not need AC permanent magnet synchronous motor is controlled, and need not position transducer and treatment circuit thereof, has eliminated the cost of position transducer and treatment circuit thereof.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is described in further detail.
Fig. 1 is existing stroke-increasing electric automobile schematic diagram;
Fig. 2 is existing stroke-increasing electric automobile electricity generation system schematic diagram;
Fig. 3 is the schematic diagram of non-isolation type DC/DC converter using Buck circuit in the stroke-increasing electric automobile electricity generation system of the present invention;
Fig. 4 is the schematic diagram of non-isolation type DC/DC converter using Boost circuit in the stroke-increasing electric automobile electricity generation system of the present invention.
Embodiment
Stroke-increasing electric automobile electricity generation system one execution mode of the present invention comprises as shown in Figure 3, Figure 4: engine, starter, AC permanent magnet synchronous motor, diode rectifier, non-isolation type DC/DC (DC-DC) converter, Generation Control unit.
Starter, the starter for traditional is used for ato unit.
Engine is started by traditional starter, drags AC permanent magnet synchronous motor after startup.
AC permanent magnet synchronous motor is dragged back output three-phase alternating current to diode rectifier.
Control unit connects non-isolation type DC/DC converter, is used to export output voltage, the output current that the controlling and driving signal controlling is regulated non-isolation type DC/DC converter.
Diode rectifier, output connects non-isolation type DC/DC converter, is used for three-phase alternating current electric rectification output DC to non-isolation type DC/DC converter; Diode rectifier comprises that six do not control the type diode, do not control the type diode for six and be connected into three-phase commutation bridge output, the positive pole of three-phase commutation bridge connects the input positive pole of non-isolation type DC/DC converter, and the negative pole of three-phase commutation bridge connects the input negative pole of non-isolation type DC/DC converter.
Non-isolation type DC/DC converter, be used for to the input direct current boost or step-down after export, its structure is Buck circuit (step-down conversion circuit) or Boost circuit (boost conversion circuit), the output cathode of non-isolation type DC/DC converter connects the positive pole of battery, the output negative pole of non-isolation type DC/DC converter connects the negative pole of battery, described non-isolation type DC/DC converter using current-mode control can realize VD, output current regulating.
The non-isolation type DC/DC converter of employing Buck circuit (step-down conversion circuit) as shown in Figure 3, comprise a triode, one energy storage inductor, one filter capacitor, one diode, the base stage of triode is used to connect the controlling and driving signal of control unit, the collector electrode of triode is as the input positive pole of non-isolation type DC/DC converter, the emitter of triode connects the negative electrode of diode and an end of energy storage inductor, the anode of diode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, the other end of energy storage inductor is as the output cathode of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
The non-isolation type DC/DC converter of employing Boost circuit (boost conversion circuit) as shown in Figure 4, comprise a triode, one energy storage inductor, one filter capacitor, one diode, one end of energy storage inductor is as the input positive pole of non-isolation type DC/DC converter, the collector electrode of another termination triode and the anode of diode, the negative electrode of diode is as the output cathode of non-isolation type DC/DC converter, the base stage of triode is used to connect the controlling and driving signal of control unit, the emitter of triode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
The stroke-increasing electric automobile electricity generation system of above-mentioned execution mode, has only a full-control type power switch pipe, it is the triode in Buck circuit or the Boost circuit, to the different application occasion, this full-control type power switch pipe can be selected MOSFET (metal oxide semiconductor field effect tube) or IGBT (insulated gate bipolar transistor) for use.
Stroke-increasing electric automobile electricity generation system of the present invention, can satisfy the requirement of stroke-increasing electric automobile, when engine drags AC permanent magnet synchronous motor, realize that by diode rectifier alternating current arrives galvanic conversion, by output voltage, the output current of control unit regulating and controlling non-isolation type DC/DC converter, realize again VD, output current regulating; When the needs ato unit, can finish by traditional starter.
Stroke-increasing electric automobile electricity generation system of the present invention, engine is started by traditional starter; When engine drags AC permanent magnet synchronous motor, realize that by diode rectifier alternating current arrives galvanic conversion, because diode rectifier does not need control, so the Generation Control unit only need be controlled non-isolation type DC/DC converter and get final product, and non-isolation type DC/DC converter topology is simple, only need control one road power switch pipe work, control algolithm is easy, so the Generation Control unit can be simplified, can merge with other control unit, for example the driving control unit of Generation Control unit and power-driven system can be merged, therefore can save the cost of Generation Control unit; Stroke-increasing electric automobile electricity generation system of the present invention, main circuit structure is made up of diode rectifier and non-isolation type DC/DC converter, main circuit structure has only a full-control type power switch pipe in the non-isolation type DC/DC converter, the rest switch pipe is uncontrollable device, has reduced the cost of full-control type power switch pipe; Stroke-increasing electric automobile electricity generation system of the present invention does not need AC permanent magnet synchronous motor is controlled, and need not position transducer and treatment circuit thereof, has eliminated the cost of position transducer and treatment circuit thereof.
Claims (6)
1. a stroke-increasing electric automobile electricity generation system is characterized in that, comprising: engine, AC permanent magnet synchronous motor, diode rectifier, non-isolation type DC/DC converter, Generation Control unit;
Engine drags AC permanent magnet synchronous motor after startup;
AC permanent magnet synchronous motor is dragged back output three-phase alternating current to diode rectifier;
Diode rectifier, output connects non-isolation type DC/DC converter, is used for three-phase alternating current electric rectification output DC to non-isolation type DC/DC converter;
Control unit connects non-isolation type DC/DC converter, is used to export output voltage, the output current that the controlling and driving signal controlling is regulated non-isolation type DC/DC converter;
Non-isolation type DC/DC converter, be used for to the input direct current boost or step-down after export.
2. stroke-increasing electric automobile electricity generation system according to claim 1 is characterized in that, also comprises a starter, and described starter is used for ato unit.
3. stroke-increasing electric automobile electricity generation system according to claim 1 and 2, it is characterized in that, described diode rectifier comprises that six do not control the type diode, do not control the type diode for six and be connected into three-phase commutation bridge output, the positive pole of three-phase commutation bridge connects the input positive pole of non-isolation type DC/DC converter, and the negative pole of three-phase commutation bridge connects the input negative pole of non-isolation type DC/DC converter.
4. stroke-increasing electric automobile electricity generation system according to claim 1, it is characterized in that, non-isolation type DC/DC converter is the Buck circuit, comprise a triode, one energy storage inductor, one filter capacitor, one diode, the base stage of triode is used to connect the controlling and driving signal of control unit, the collector electrode of triode is as the input positive pole of non-isolation type DC/DC converter, the emitter of triode connects the negative electrode of diode and an end of energy storage inductor, the anode of diode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, the other end of energy storage inductor is as the output cathode of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
5. stroke-increasing electric automobile electricity generation system according to claim 1, it is characterized in that, non-isolation type DC/DC converter is the Boost circuit, comprise a triode, one energy storage inductor, one filter capacitor, one diode, one end of energy storage inductor is as the input positive pole of non-isolation type DC/DC converter, the collector electrode of another termination triode and the anode of diode, the negative electrode of diode is as the output cathode of non-isolation type DC/DC converter, the base stage of triode is used to connect the controlling and driving signal of control unit, the emitter of triode is as the input negative pole and the output negative pole of non-isolation type DC/DC converter, and filter capacitor is connected on the output cathode of non-isolation type DC/DC converter with between the output negative pole.
6. according to claim 4 or 5 described stroke-increasing electric automobile electricity generation systems, it is characterized in that described triode is metal oxide semiconductor field effect tube or insulated gate bipolar transistor.
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| CN2010106058421A CN102097936A (en) | 2010-12-27 | 2010-12-27 | Range-enhanced electromobile generating system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085676A (en) * | 2011-11-02 | 2013-05-08 | 伊顿公司 | Power generating system of extended-range electric vehicle |
| CN103204069A (en) * | 2013-05-07 | 2013-07-17 | 湖南大学 | Electromobile range extender and control method |
| CN104442427A (en) * | 2014-12-01 | 2015-03-25 | 上海电机学院 | Range extender for two-wheeled electric bicycle |
| CN108712093A (en) * | 2018-05-03 | 2018-10-26 | 贵州航天林泉电机有限公司 | A kind of supply convertor and its control method of high-speed permanent magnetic starter-generator |
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| JP2006174557A (en) * | 2004-12-14 | 2006-06-29 | Toyota Motor Corp | Motive power output device and automobile mounting it |
| CN1976827A (en) * | 2004-06-28 | 2007-06-06 | 通用电气公司 | Hybrid electric propulsion system and method |
| CN101499678A (en) * | 2008-01-31 | 2009-08-05 | 株式会社日立制作所 | Controller for electric storage device and vehicle with controller for electric storage device |
| CN101633309A (en) * | 2009-09-01 | 2010-01-27 | 东南大学 | Series hybrid electric vehicle (SHEV) driving device and control method |
| CN201956903U (en) * | 2010-12-27 | 2011-08-31 | 联合汽车电子有限公司 | Power generating system for range-extended electric vehicle |
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- 2010-12-27 CN CN2010106058421A patent/CN102097936A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1976827A (en) * | 2004-06-28 | 2007-06-06 | 通用电气公司 | Hybrid electric propulsion system and method |
| JP2006174557A (en) * | 2004-12-14 | 2006-06-29 | Toyota Motor Corp | Motive power output device and automobile mounting it |
| CN101499678A (en) * | 2008-01-31 | 2009-08-05 | 株式会社日立制作所 | Controller for electric storage device and vehicle with controller for electric storage device |
| CN101633309A (en) * | 2009-09-01 | 2010-01-27 | 东南大学 | Series hybrid electric vehicle (SHEV) driving device and control method |
| CN201956903U (en) * | 2010-12-27 | 2011-08-31 | 联合汽车电子有限公司 | Power generating system for range-extended electric vehicle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103085676A (en) * | 2011-11-02 | 2013-05-08 | 伊顿公司 | Power generating system of extended-range electric vehicle |
| CN103085676B (en) * | 2011-11-02 | 2015-05-27 | 伊顿公司 | Power generating system of extended-range electric vehicle |
| CN103204069A (en) * | 2013-05-07 | 2013-07-17 | 湖南大学 | Electromobile range extender and control method |
| CN103204069B (en) * | 2013-05-07 | 2015-08-19 | 湖南大学 | A kind of range extender of electric vehicle and control method |
| CN104442427A (en) * | 2014-12-01 | 2015-03-25 | 上海电机学院 | Range extender for two-wheeled electric bicycle |
| CN108712093A (en) * | 2018-05-03 | 2018-10-26 | 贵州航天林泉电机有限公司 | A kind of supply convertor and its control method of high-speed permanent magnetic starter-generator |
| CN108712093B (en) * | 2018-05-03 | 2023-07-28 | 贵州航天林泉电机有限公司 | Power converter of high-speed permanent magnet starter generator and control method thereof |
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Application publication date: 20110615 |