CN102658802A - Automobile idle speed start-stop system and hybrid power supply - Google Patents
Automobile idle speed start-stop system and hybrid power supply Download PDFInfo
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- CN102658802A CN102658802A CN2012101604419A CN201210160441A CN102658802A CN 102658802 A CN102658802 A CN 102658802A CN 2012101604419 A CN2012101604419 A CN 2012101604419A CN 201210160441 A CN201210160441 A CN 201210160441A CN 102658802 A CN102658802 A CN 102658802A
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Abstract
The invention provides an automobile idle speed start-stop system and a hybrid power supply. The automobile idle speed start-stop system comprises an energy storage unit, a starting motor, a motor driver, a power electronic converter device, an automobile state monitoring device and an electronic control unit, wherein the energy storage unit comprises a storage battery and a super capacitor; the starting motor is connected to an engine of an automobile; the motor driver is connected to the starting motor; the power electronic converter device is connected to the storage battery, the super capacitor and the motor driver; and the electronic control unit is in communication connection with the motor driver, the automobile state monitoring device, the power electronic converter device, the starting motor, the motor driver and the energy storage unit and is used for judging whether the automobile is started, normally operated, stopped at an idle speed or stopped or not according to parameters detected by the automobile state monitoring device so as to control the running of the engine and the motor driver, the operation of the power electronic converter device and the energy transfer between the energy storage unit and the starting motor. By the system, the automobile can be quickly started, the economy of fuel can be improved, and the service life of the storage battery can be prolonged.
Description
Technical field
The present invention relates to a kind of automotive control system, relate in particular to a kind of auto idle speed start stop system (Idling Stop and Start System is called for short ISS) and composite power source.
Background technology
Lack of energy, oil price are constantly soaring, the global climate environment constantly worsens, and have given prominence to more that the energy-conserving and environment-protective technology is the great technological challenge that current global auto-domain faces in the automobile product development.Through cancellation parking idling, the oil consumption of elimination idling, discharging and noise, and then reach the energy-saving and emission-reduction noise reduction, effect is remarkable, uses car for the city especially, and effect is more obvious.
In the city, problem such as because population and vehicle are concentrated, cause that the speed of a motor vehicle is low, oil consumption is high, discharging and throat sound are serious.For urban transit bus, because the website that the city city motor bus is stopped is many, the distance between standing and standing is short especially.Moreover city traffic is crowded, and the speed per hour of going is not high, and traffic lights are many, and the starting and the ten minutes that stops are frequent, and more haulage capacity form with frictional heat in braking procedure that engine produces has consumed.Long parking operating mode makes engine be in the idle state of high gas consumption rate, not only consume fuel, and discharging waste gas contaminated environment for a long time.
Given this, industry is developed a kind of auto idle speed start stop system in recent years, to lower the car engine discharging, improves fuel economy.In present auto idle speed start stop system, as the Starting mode of orthodox car, the startup of automobile realizes that through starter motor starter motor is by storage battery power supply.Because automobile starter is the motor of short time work, starts frequently, starting current is big; Therefore starter motor cannot long time continuous working; Generally with regard to several seconds, but the big working current of starter motor is huge to the storage battery infringement, can shorten the service life of storage battery greatly.
Summary of the invention
The object of the present invention is to provide a kind of auto idle speed start stop system and composite power source, the problem that the storage battery that exists with the solution prior art suffers damage easily.
To achieve these goals, in first aspect of the present invention, the present invention provides a kind of auto idle speed start stop system, comprising: energy-storage units is used for storage and output electric energy; Starter motor comprises electrical motor mode of operation and electrical generator mode of operation, is connected in the engine of automobile; Motor driver is connected in starter motor; The converters device is connected with motor driver with energy-storage units and is connected; The vehicle condition monitoring device is used to detect the parameter as judging the state that whether automobile satisfies startup, normal operation, idling stops or stopping; Electronic control unit; Communicate by letter and be connected with motor driver, said vehicle condition monitoring device, converters device, starter motor, motor driver, energy-storage units; Be used for according to the detected parameter of said vehicle condition monitoring device; Judge the state that whether automobile is in startup, normal operation, idling stops or stopping, shifting with running, the running of control motor driver, the operation of control converters device and the energy between control energy-storage units and the starter motor of the engine controller Control Engine through automobile.
Wherein energy-storage units comprises storage battery and super capacitor, and the converters device is connected between the storage battery and super capacitor of energy-storage units.
Wherein, The parameter control that electronic control unit provides through said vehicle condition monitoring device: when automobile is in starting state; Starter motor is in the electrical motor mode of operation, and the super capacitor of energy-storage units provides energy through converters device and motor driver to starter motor, and motor driver drives starter motor; Then starter motor drives and via the engine work of engine controller Control of Automobile, to realize automobile starting; When automobile was in normal operating condition, starter motor was in the electrical generator mode of operation, and starter motor flows to the storage battery in the energy-storage units with the energy that engine produced of automobile through motor driver and converters device, so that battery charge; When automobile is in idle stop state; Stop the engine work of automobile through the engine controller of automobile; Starter motor is in the electrical generator mode of operation and automobile is transferred to the super capacitor in the energy-storage units at the energy that stops the glancing impact generation through motor driver and converters device, so that super capacitor is charged; When automobile was in halted state, storage battery charged to super capacitor through the converters device, used so that super capacitor steam supply car after charging starts.
To achieve these goals, aspect second of the present invention, composite power source provided by the invention comprises: closed-centre system is used for storage and output electric energy, and comprises storage battery and the super capacitor that couples; The converters device is connected with super capacitor with storage battery, is used for voltage transformation between voltage transformation and storage battery and the super capacitor and the external world between storage battery and the super capacitor.
Beneficial effect of the present invention is following.
Adopt super capacitor and storage battery combination based on energy-storage units of the present invention; The characteristic that utilize whereby that the super capacitor power density is high, the time that discharges and recharges lacks, have extended cycle life, starting current is big; Can support the starter motor frequent starting; And avoid of the influence of big electric current, thereby can not shorten the life-span of storage battery storage battery.
In addition, because the super capacitor discharge is fast and starting current is big, thereby high-power energy is offered starter motor, thereby can realize the quick operated start of automobile.
In addition, owing to the super capacitor power density is high, can store effectively to be in the high-power energy that the starter motor under the electrical generator mode of operation provides when automobile is in the idling dead ship condition, thereby lower the discharging of car engine, improve the economy of fuel oil.
Description of drawings
Fig. 1 is the structured flowchart of auto idle speed start stop system of the present invention;
Fig. 2 is the circuit topological structure figure of composite power source of the present invention;
Fig. 3 is the circuit structure diagram of motor driver of the present invention.
The corresponding relation of Reference numeral and parts is:
1 electronic control unit, 3 engine 3s, 1 engine controller
4 starter motors, 5 motor drivers, 6 converters devices
61 electronic switchs, 7 energy-storage units, 71 storage batterys
72 super capacitors, 711 first changers, 721 second changers
21 car speed sensors, 22 super capacitor condition checkout gears, 23 battery condition detecting devices
24 Engine Speed Sensors, 8 driver status detecting devices, 81 brake pedal position sensor
82 accelerator pedal position sensors, 83 clutch pedal position sensors, 84 gear position sensors
The D1 first diode D2 second diode T FET L inductance
The specific embodiment
Below in conjunction with description of drawings according to auto idle speed start stop system of the present invention and composite power source.
At first explain according to auto idle speed start stop system of the present invention.
As shown in Figure 1, auto idle speed start stop system according to the present invention comprises: energy-storage units 7 is used for storage and output electric energy; Starter motor 4 comprises electrical motor mode of operation and electrical generator mode of operation, is connected in the engine 3 of automobile; Motor driver 5 is connected in starter motor 4; Converters device 6 is connected with motor driver 5 with energy-storage units 7 and is connected; The vehicle condition monitoring device is used to detect the parameter as judging the state that whether automobile satisfies startup, normal operation, idling stops or stopping; And electronic control unit 1; Be connected with motor driver 5, said vehicle condition monitoring device, converters device 6, starter motor 4, motor driver 5, energy-storage units 7 communications; Be used for according to the detected parameter of said vehicle condition monitoring device; Judge the state that whether automobile is in startup, normal operation, idling stops or stopping, shifting with running, the running of control motor driver 5, the operation of control converters device 6 and the energy between control energy-storage units 7 and the starter motor 4 of engine controller 31 Control Engine 3 through automobile.Wherein, said communication connects and can connect for wireless or wire communication.
Wherein, energy-storage units 7 comprises storage battery 71 and super capacitor 72, and converters device 6 is connected between the storage battery 71 and super capacitor 72 of energy-storage units 7.Storage battery 71 can be lead-acid storage battery or lithium-ions battery.Super capacitor 72 can be for a plurality of, and a plurality of super capacitors 72 can be gone here and there and/or be connected in parallel.
The parameter control that electronic control unit 1 provides through said vehicle condition monitoring device: when automobile is in starting state; Starter motor 4 is in the electrical motor mode of operation; The super capacitor 72 of energy-storage units 7 provides energy through converters device 6 and motor driver 5 to starter motor 4; Motor driver 5 drives starter motors 4, and starter motor 4 drives and via the engine 3 work of engine controller 31 Control of Automobile, to realize automobile starting then; When automobile is in normal operating condition; Starter motor 4 is in the electrical generator mode of operation; And starter motor 4 flows to the storage battery 71 in the energy-storage units 7 with the energy that engine 3 produced of automobile through motor driver 5 and converters device 6, so that storage battery 71 chargings; When automobile is in idle stop state; Stop the engine 3 work of automobile through the engine controller 31 of automobile; Starter motor 4 is in the electrical generator mode of operation and automobile is transferred to the super capacitor 72 in the energy-storage units 7 at the energy that stops the glancing impact generation through motor driver 5 and converters device 6, so that super capacitor 72 is charged; And when automobile was in halted state, storage battery 71 used so that super capacitor 72 steam supply car after charging starts through 72 chargings of 6 pairs of super capacitors of converters device.In other words, when automobile was in starting state, super capacitor 72 provided high-power energy through converters device 6 to starter motor 4; When automobile was in normal operating condition, starter motor 4 was with steady power delivery accumulators 71; When automobile was in idle stop state, starter motor 4 was given super capacitor 72 through converters device 6 with high-power power transfer; When automobile was in halted state, storage battery 71 was in time given super capacitor 72 makeup energy through converters device 6, used when treating automobile starting.
In according to auto idle speed start stop system of the present invention, said vehicle condition monitoring device can comprise: driver status detecting device 8 is used to detect the operation behavior of chaufeur; Car speed sensor 21 is used to detect the speed of a motor vehicle of automobile; Engine Speed Sensor 24 is used to detect the rotating speed of the engine 3 of automobile; Super capacitor condition checkout gear 22 is connected with super capacitor 72 communications, is used to detect the state parameter of super capacitor 72, for example voltage, electric current, capacity etc.; And battery condition detecting device 23, be connected with storage battery 71 communications, be used to detect the state parameter of storage battery 71, for example voltage, electric current, capacity etc.Said communication connects and can connect for wireless or wire communication.In Fig. 1, super capacitor condition checkout gear 22 is connected with super capacitor 72 communications and battery condition detecting device 23 is connected all not shown connection lead with storage battery 71 communications.
In according to auto idle speed start stop system of the present invention, driver status detecting device 8 can comprise: brake pedal position sensor 81 is used to detect the position of automobile brake pedal; Accelerator pedal position sensor 82 is used to detect the position of car acceleration pedal; Clutch pedal position sensor 83 is used to detect the position of car clutch pedal; Gear position sensor 84 is used to detect the gear of automobile gearbox.
In according to auto idle speed start stop system of the present invention, electronic control unit 1 can detect as judging whether automobile is in the parameter (parameter that comprises the capacity status of accumulator capacity state, super capacitor) of corresponding state (for example automobile is in startup, cruising, idling stops or halted state) through said vehicle condition monitoring device.For example; After the informixs such as capacity of the rotating speed of the speed of a motor vehicle of the position (and then position of definite autoclutch) of the position through brake pedal position sensor 81 detected automobile brake pedals, the position (and then aperture of definite throttle) of accelerator pedal position sensor 82 detected car acceleration pedals, clutch pedal position sensor 83 detected pedal of clutchs, the gear of gear position sensor 84 detected automobile gearboxes, car speed sensor 21 detected automobiles, the engine 3 that Engine Speed Sensor 24 detects automobile and the capacity of super capacitor condition checkout gear 22 detected super capacitors 72, battery condition detecting device 23 detected storage batterys 71 are judged, confirm whether automobile is in startup, cruising, idling stops or halted state and carry out control corresponding.
In according to auto idle speed start stop system of the present invention, converters device 6 can comprise that the vdc that makes storage battery 71 converts the chopper of the vdc that supplies super capacitor 72 uses into.
In according to auto idle speed start stop system of the present invention, motor driver 5 is looked the model of drive motor 4 and is decided.When starter motor 4 was DC machine, converters device 6 comprised the chopper that super capacitor 72 vdcs is converted into the vdc of power supply machine actuator 5 uses.When starter motor 4 was alternating current dynamo, converters device 6 comprised that the vdc with super capacitor 72 converts the inverter of the alternating-current voltage/AC voltage that power supply machine actuator 5 uses into, the alternating-current voltage/AC voltage of motor driver 5 is converted into the rectifier that supplies between the vdc that super capacitor 72 uses and the alternating-current voltage/AC voltage of motor driver 5 converted into the rectifier that supplies between the vdc that storage battery 71 uses.
In according to auto idle speed start stop system of the present invention; As shown in Figure 2; In one embodiment, converters device 6 comprises inductance L, the first diode D1, the second diode D2, electronic switch 61, FET T, first changer 711 and second changer 721.One end of inductance L is connected in the negative pole of storage battery 71 and the positive pole of super capacitor 72, and the other end of inductance L is connected in the source electrode of FET T, the anode of the first diode D1, the negative electrode of the second diode D2 and an end of electronic switch 61.The drain electrode of the negative electrode of the first diode D1, FET T is connected in the positive pole of storage battery 71; The negative electrode of the second diode D2 is connected in the negative pole of super capacitor 72; The other end of electronic switch 61 is connected in motor driver 5, and electronic control unit 1 is connected the conducting shutoff with the grid of control FET T, electronic switch 61 with grid, the electronic switch 61 of FET T.Motor driver 5 is connected in storage battery 71, super capacitor 72 to carry out energy exchange through first changer 711, second changer 721 respectively.
During operation, when electronic control unit 1 control electronic switch 61 was opened and turn-offed as the FET T of switch, super capacitor 72 provided the startup energy through inductance L, electronic switch 61 to motor driver 5.When electronic control unit 1 control electronic switch 61 turn-offs and FET T when opening at a high speed; The inductance L electric current increases; Thereupon; When electronic control unit 1 control FET T turn-offed, the electric current on the inductance L charged to super capacitor 72 through the second diode D2 afterflow, thereby realized 72 chargings of 71 pairs of conies of storage battery.Through the switching of above-mentioned mode of operation, can realize the charging of super capacitor 72 and the startup of starter motor 4.
When automobile is in normal operating condition and idle stop state and starter motor 4 when being in the electrical generator mode of operation; Electronic control unit 1 control electronic switch 61 turn-offs and turn-offs as the FET T of switch; Starter motor 4 will send energy to first changer 711 and second changer 721 through motor driver 5, respectively storage battery 71 and super capacitor 72 are charged.As shown in Figures 2 and 3; Motor driver 5 comprises six N channel enhancement metal-oxide-semiconductors (unmarked) and six diodes (unmarked); And six diodes are backward diode; The backward diode of motor driver 5 can feed back to dc bus to starter motor 4 electricity, and dc bus charges to storage battery 71 and super capacitor 72 respectively through first changer 711 and second changer 721.Wherein, first changer 711 and second changer 721 can be DC converter.
To sum up, among the present invention, storage battery 71 constitutes energy-storage units 7 with super capacitor 72, constitutes power circuit with converters device 6, motor driver 5 and starter motor 4 again.Wherein realize that through converters device 6 energy shifts between storage battery 71 and the super capacitor 72, the storage battery 71 and the super capacitor 72 of energy-storage units 7 also realized the two-way flow of energy through converters device 6.By on can know that the present invention can solve and adopt storage battery can't satisfy the problem that repeatedly starts in the automobile, and can not shorten the life-span of storage battery because memory cell 7 adopts super capacitors 72.In addition, and be stored in the energy that produces when starter motor 4 is worked with generator mode under automobile normal operating condition and the idle stop state fully, thereby realize energy-saving and emission-reduction.
Composite power source of the present invention is described below.
Fig. 2 shows the circuit topological structure of composite power source of the present invention; And Fig. 2 shows the structure that composite power source is applied to auto idle speed start stop system shown in Figure 1; Certainly; This composite power source does not have the automotive field of being limited to, and it also can be applied to the device that boats and ships, hoisting crane etc. have power storage and converting system.
Composite power source of the present invention comprises: closed-centre system 7 is used for storage and output electric energy, and comprises the storage battery 71 and super capacitor 72 that couples; And converters device 6, be connected with super capacitor 72 with storage battery 71, be used for voltage transformation between voltage transformation and storage battery 71 and the super capacitor 72 and the external world between storage battery 71 and the super capacitor 72.
In composite power source shown in Figure 2, in one embodiment, converters device 6 comprises inductance L, the first diode D1, the second diode D2, electronic switch 61, FET T, first changer 711 and second changer 721.One end of inductance L is connected in the negative pole of storage battery 71 and the positive pole of super capacitor 72, and the other end of inductance L is connected in the source electrode of FET T, the anode of the first diode D1, the negative electrode of the second diode D2 and an end of electronic switch 61.The drain electrode of the negative electrode of the first diode D1, FET T is connected in the positive pole of storage battery 71; The negative electrode of the second diode D2 is connected in the negative pole of super capacitor 72, and the current input terminal of the other end of electronic switch 61, first changer 711 and second changer 721 is connected in the external world.
During operation, when electronic switch 61 was opened and turn-offed as the FET T of switch, super capacitor 72 provided energy through inductance L, electronic switch 61 to the external world.When electronic switch 61 turn-offs and FET T when opening at a high speed; The inductance L electric current increases, thereupon, and when electronic control unit 1 control FET T turn-offs; Electric current on the inductance L charges to super capacitor 72 through the second diode D2 afterflow, thereby realizes 72 chargings of 71 pairs of conies of storage battery.
When control electronic switch 61 turn-offs and turn-offs as the FET T of switch, extraneous power supply can charge to storage battery 71 and super capacitor 72 respectively through first changer 711 and second changer 721.
In according to composite power source of the present invention, converters device 6 can comprise that the vdc that makes storage battery 71 converts the chopper of the vdc that supplies super capacitor 72 uses into.
When the external world was vdc, converters device 6 comprised the chopper that super capacitor 72 vdcs is converted into the extraneous vdc that uses.When the external world was alternating-current voltage/AC voltage, converters device 6 comprised that the vdc with super capacitor 72 converts the inverter of the extraneous alternating-current voltage/AC voltage that uses into, the alternating-current voltage/AC voltage in the external world is converted into the rectifier that supplies between the vdc that super capacitor 72 uses and the alternating-current voltage/AC voltage in the external world converted into the rectifier that supplies between the vdc that storage battery 71 uses.Can know that by technological general knowledge the present invention can realize through other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all is a casehistory, is not only.All within the scope of the present invention or the change in being equal to scope of the present invention all comprised by the present invention.
Claims (9)
1. auto idle speed start stop system comprises:
Energy-storage units (7) is used for storage and output electric energy;
Starter motor (4) comprises electrical motor mode of operation and electrical generator mode of operation, is connected in the engine (3) of automobile;
Motor driver (5) is connected in starter motor (4);
Converters device (6) is connected with motor driver (5) with energy-storage units (7) and is connected;
The vehicle condition monitoring device is used to detect the parameter as judging the state that whether automobile satisfies startup, normal operation, idling stops or stopping; And
Electronic control unit (1); Be connected with motor driver (5), said vehicle condition monitoring device, converters device (6), starter motor (4), motor driver (5), energy-storage units (7) communication; Be used for according to the detected parameter of said vehicle condition monitoring device; Judge the state that whether automobile is in startup, normal operation, idling stops or stopping, with the energy transfer between the operation of the running of the running of engine controller (31) Control Engine (3) through automobile, control motor driver (5), control converters device (6) and control energy-storage units (7) and the starter motor (4);
It is characterized in that,
Energy-storage units (7) comprises storage battery (71) and super capacitor (72), and converters device (6) is connected between the storage battery (71) and super capacitor (72) of energy-storage units (7);
Wherein, electronic control unit (1) is controlled through the parameter that said vehicle condition monitoring device provides:
When automobile is in starting state; Starter motor (4) is in the electrical motor mode of operation; The super capacitor (72) of energy-storage units (7) provides energy through converters device (6) and motor driver (5) to starter motor (4); Motor driver (5) drives starter motor (4), and starter motor (4) drives and works via the engine (3) of engine controller (31) Control of Automobile then, to realize automobile starting;
When automobile is in normal operating condition; Starter motor (4) is in the electrical generator mode of operation; And the energy that starter motor (4) is produced the engine (3) of automobile flows to the storage battery (71) of energy-storage units (7) through motor driver (5) and converters device (6), so that storage battery (71) charging;
When automobile is in idle stop state; Stop engine (3) work of automobile through the engine controller (31) of automobile; Starter motor (4) is in the electrical generator mode of operation and automobile is transferred to the super capacitor (72) in the energy-storage units (7) at the energy that stops the glancing impact generation through motor driver (5) and converters device (6), so that super capacitor (72) is charged;
When automobile was in halted state, storage battery (71), used so that super capacitor (72) steam supply car after charging starts super capacitor (72) charging through converters device (6).
2. auto idle speed start stop system according to claim 1 is characterized in that, said vehicle condition monitoring device comprises:
Driver status detecting device (8) is used to detect the operation behavior of chaufeur;
Car speed sensor (21) is used to detect the speed of a motor vehicle of automobile;
Engine Speed Sensor (24) is used to detect the rotating speed of the engine (3) of automobile;
Super capacitor condition checkout gear (22) is connected with super capacitor (72), is used to detect the state parameter of super capacitor (72); And
Battery condition detecting device (23) is connected with storage battery (71), is used to detect the state parameter of storage battery (71).
3. auto idle speed start stop system according to claim 1 is characterized in that, said driver status detecting device (8) comprising:
Brake pedal position sensor (81) is used to detect the position of automobile brake pedal;
Accelerator pedal position sensor (82) is used to detect the position of car acceleration pedal;
Clutch pedal position sensor (83) is used to detect the position of car clutch pedal;
Gear position sensor (84) is used to detect the gear of automobile gearbox.
4. auto idle speed start stop system according to claim 1 is characterized in that, converters device (6) comprises that the vdc that makes storage battery (71) converts the chopper of the vdc that supplies super capacitor (72) use into.
5. auto idle speed start stop system according to claim 1; It is characterized in that; When starter motor (4) was DC machine, converters device (6) comprised the chopper that super capacitor (72) vdc is converted into the vdc of power supply machine actuator (5) use.
6. auto idle speed start stop system according to claim 1; It is characterized in that; When starter motor (4) was alternating current dynamo, converters device (6) comprised that the vdc with super capacitor (72) converts the inverter of the alternating-current voltage/AC voltage that power supply machine actuator (5) uses into, the alternating-current voltage/AC voltage of motor driver (5) is converted into the rectifier that supplies between the vdc that super capacitor (72) uses and the alternating-current voltage/AC voltage of motor driver (5) converted into the rectifier that supplies between the vdc that storage battery (71) uses.
7. auto idle speed start stop system according to claim 1; It is characterized in that; Said converters device comprises inductance (L), first diode (D1), second diode (D2), electronic switch (61), FET (T), first changer (711) and second changer (721); One end of inductance (L) is connected in the negative pole of storage battery (71) and the positive pole of super capacitor (72); The other end of inductance (L) is connected in the source electrode of FET (T), the anode of first diode (D1), the negative electrode of second diode (D2) and an end of electronic switch (61); The drain electrode of the negative electrode of first diode (D1), FET (T) is connected in the positive pole of storage battery (71); The negative electrode of second diode (D2) is connected in the negative pole of super capacitor (72); The other end of electronic switch (61) is connected in motor driver (5), and electronic control unit (1) is connected the conducting shutoff with the grid of control FET (T), electronic switch (61) with grid, the electronic switch (61) of FET (T);
Motor driver (5) is connected in storage battery (71), super capacitor (72) to carry out energy exchange through first changer (711), second changer (721) respectively.
8. a composite power source is characterized in that, comprising:
Closed-centre system (7) is used for storage and output electric energy, and comprises storage battery (71) and the super capacitor (72) that couples;
Converters device (6) is connected with super capacitor (72) with storage battery (71), is used for voltage transformation between voltage transformation and storage battery (71) and the super capacitor (72) and the external world between storage battery (71) and the super capacitor (72).
9. composite power source according to claim 8; It is characterized in that; Converters device (6) comprises inductance (L), first diode (D1), second diode (D2), electronic switch (61), FET (T), first changer (711) and second changer (721); One end of inductance (L) is connected in the negative pole of storage battery (71) and the positive pole of super capacitor (72); The other end of inductance (L) is connected in the source electrode of FET (T), the anode of first diode (D1), the negative electrode of second diode (D2) and an end of electronic switch (61); The drain electrode of the negative electrode of first diode (D1), FET (T) is connected in the positive pole of storage battery (71), and the negative electrode of second diode (D2) is connected in the negative pole of super capacitor (72); First changer (711), second changer (721) are connected in storage battery (71), super capacitor (72) to carry out energy exchange.
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| CN103538482A (en) * | 2013-10-07 | 2014-01-29 | 北京工业大学 | Automobile start-stop system capable of providing assisting power and recycling braking energy |
| CN104590162A (en) * | 2014-12-25 | 2015-05-06 | 东风汽车公司 | Intelligent automobile starting-stopping control system |
| CN106100092A (en) * | 2016-07-15 | 2016-11-09 | 纽福克斯光电科技（上海）有限公司 | A kind of engine starting device |
| WO2018010234A1 (en) * | 2016-07-15 | 2018-01-18 | 纽福克斯光电科技（上海）有限公司 | Engine start apparatus |
| CN109450042A (en) * | 2018-12-18 | 2019-03-08 | 南京理工大学 | Charging/discharging control circuit of super capacitor and its charging/discharging thereof |
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| JPH06284509A (en) * | 1993-03-31 | 1994-10-07 | Aqueous Res:Kk | Power device for electric vehicle |
| JP2004336844A (en) * | 2003-05-01 | 2004-11-25 | Mitsubishi Electric Corp | Electric power equipment for automobile |
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