CN102910058A - Hybrid power and electric system of electric car - Google Patents
Hybrid power and electric system of electric car Download PDFInfo
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- CN102910058A CN102910058A CN2011102191758A CN201110219175A CN102910058A CN 102910058 A CN102910058 A CN 102910058A CN 2011102191758 A CN2011102191758 A CN 2011102191758A CN 201110219175 A CN201110219175 A CN 201110219175A CN 102910058 A CN102910058 A CN 102910058A
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Abstract
The invention provides a hybrid power and electric system of an electric car, provides two electric sources for electric cars and solves the problems that an electric car is insufficient in endurance and is impractical due to long charging time. The hybrid power and electric system of the electric car comprises a pneumatic engine, a gas storage device, a generator, a storage battery and a motor. The pneumatic engine can receive compressed gas to generate electricity. The gas storage device provides compressed gas for the pneumatic engine. The generator is driven by the pneumatic engine to generate electricity. The storage battery can be charged by external electricity or electricity of the generator. The motor provides a power source for the electric car, and the generator is driven by the storage battery or the pneumatic engine to generate electricity to power the motor. Therefore, the electric car can be charged while being driven, endurance is increased, high-pressure gas is easy to use to inflate fast and easy to obtain, price is low, and pollution is avoided.
Description
Technical field
The present invention relates to a kind of car, espespecially a kind of composite power of battery-driven car and electric system except battery can provide the electric power, particularly utilizes compressed air engine to drive the electrical generator generating, can provide electric power to drive automobile to motor simultaneously, also can provide electric power to charge the battery.
Background technology
Fossil fuel is the major impetus source of vehicle at present, rely on the burning of fossil fuel to come supply engine to promote vehicle with outputting power, and the burning of fossil fuel is except the pollution of generation environment, the especially arch-criminal of global warming, therefore, various replacement schemes in response to and give birth to.
The main demand of battery-driven car is then polluted the impact that reaches global warming at the above-mentioned fossil fuel of solution, yet, what battery-driven car relied on is that storage battery is powered, the problem of storage battery maximum is at the electric power storage scarce capacity, the stroke of battery-driven car is too short, and the time of each charging is oversize, needs for a long time could charge to finish when battery electric power exhausts, and causes battery-driven car can't popularize and replace traditional fossil fuel power engine.In addition, the factor of not popularizing etc. of charging equipment also is to cause battery-driven car can't replace the factor of traditional vapour, diesel-powered vehicle.
The dealer has also proposed oily electric hybrid vehicle for aforementioned electric motor-car problem, although oily electric hybrid vehicle can improve driving route, increases endurance, lowers oil consumption, is fuel owing to still adopting vapour, diesel oil, still causes problem of environmental pollution.
The contriver is for the problem of above-mentioned traditional fossil fuel power engine, a kind of invention of compressed air engine has been proposed, such as TaiWan, China patent TWI327621, title: engine installation (corresponding patent: U.S. US7866251B2, China CN665571, PCT/CN2007/001994), it mainly is to utilize high pressure gas to come the start of drive engine steam cylinder piston to produce power, by this compressed air engine, there are not the problems such as exhaust emission and green-house effect, and, the gas-pressurized cost that compressed air engine adopts is low than fossil fuel and elec. vehicle, and compressed-air actuated obtaining easily, inflatable appliance has been prior art and to build expense cheap, therefore, can effectively reach the effect of carbon reduction.
Compressed air engine list of references such as US457762A, 4171618,1512205,457762,427809A, CN2411353Y, CN1847621A, CN1376595A, CN1184205A, CN2637737Y, EP82200280.4 (0062933A1).
Although compressed air engine has aforementioned advantages, yet its problem is compressed air engine and utilizes the high-pressure gas bottle supply engine, make engine produce power and promote vehicle, and exerting oneself of engine is relevant with the pressure of gas cylinder, and therefore, it is always toward descending that the exerting oneself of engine begun by the gas cylinder air feed, therefore, the driving meeting feels that obviously vehicle is more and more not have power, and the highway section of especially climbing is more obvious, even can't climb up.In addition, because the air feed back segment is unable, can't use, therefore, the residual gas of gas cylinder is more and can't take full advantage of.
Summary of the invention
The present invention is mainly in the composite power that a kind of battery-driven car is provided and electric system, utilizes storage battery feed motor electric power producing power, and has a compressed air engine and drive electrical generator generating, with supply battery charge or feed motor electric power.
The present invention is inferior to the composite power that a kind of battery-driven car is provided and electric system, can solve the problem of traditional, pneumatic engine power output fast-descending.
The present invention can reduce the residual volume of traditional, pneumatic engine pressure gas in addition in the composite power that a kind of battery-driven car is provided and electric system, and gas can more effectively be taken full advantage of, and endurance can increase.
The present invention utilizes compressed air engine to drive the electrical generator generating again in the composite power that a kind of battery-driven car is provided and electric system, for battery charge, to improve the endurance of battery-driven car.
In addition, the present invention has dual power source again in the composite power that a kind of battery-driven car is provided and electric system, but have and to fill at any time the charging while walking, solved traditional electrical motor-car charging problem, and the not enough problem of battery endurance, and pollution-free, low-cost.
The invention provides a kind of composite electric system of battery-driven car, include compressed air engine, this compressed air engine is can accept compressed gas and produce power; Accumulator unit, the compressed gas of this accumulator unit supply compressed air engine; Electrical generator, this electrical generator drives to produce electric power by compressed air engine; Storage battery, with the required electric power of supply battery-driven car, this storage battery is charged by the electric power of external power or aforementioned electrical generator.
The composite electric system of above-mentioned battery-driven car, wherein, more include an energy management module, storage battery inputs or outputs electric energy via the energy management module, the electric power that electrical generator sends offers the energy management module, and the energy management module is carried out and powered to battery charge or to electric vehicle motor.
The composite electric system of above-mentioned battery-driven car, wherein, the energy management module includes voltage regulator, discharges and recharges control device and controller, the electric energy that voltage regulator sends electrical generator is after voltage adjustment and voltage stabilizing, deliver to and discharge and recharge control device, powered to battery charge or to electric vehicle motor by controller control.
The composite electric system of above-mentioned battery-driven car, wherein, be provided with a valve between accumulator unit and compressed air engine, this energy management module has a controller and an electric power checking device, rely on electric power checking device detecting accumulator electric-quantity, as controller open or shutoff valve to the compressed air engine air feed.
The composite electric system of above-mentioned battery-driven car, wherein, more include gas covering device, this gas covering device includes one first compressor, and this accumulator unit has at least one the first accumulator unit and one second accumulator unit, wherein the pressure of this first accumulator unit is greater than the pressure of the second accumulator unit, and has a pressure-modulation valve between the first accumulator unit and the second accumulator unit, and by the second accumulator unit compressed gas supplying to compressed air engine, and between the second accumulator unit and compressed air engine, have a valve, drive the first compressor by compressed air engine the second accumulator unit is inflated.
The composite electric system of above-mentioned battery-driven car, wherein, more include gas covering device, this gas covering device includes one second compressor, and this accumulator unit has at least one the first accumulator unit and one second accumulator unit, wherein the pressure of this first accumulator unit is greater than the pressure of the second accumulator unit, and has a pressure-modulation valve between the first accumulator unit and the second accumulator unit, and by the second accumulator unit compressed gas supplying to compressed air engine, and between the second accumulator unit and compressed air engine, has a valve, drive the electrical generator generating by compressed air engine, the second accumulator unit is inflated to the second compressor with power supply.
The present invention more provides a kind of combined power system of battery-driven car, the composite electric system that includes a motor and aforementioned each described battery-driven car, this motor provides the power resources of battery-driven car, and the electric power that is produced by storage battery or compressed air engine drive electrical generator comes feed motor electric power.
The present invention more provides a kind of car, uses the combined power system of aforementioned electric motor-car.
According to aforesaid car with combined power system of battery-driven car, wherein, this car has traditional fossil fuel engine, makes the car endurance of traditional fossil fuel engine increase and reduce oil consumption and carbon emission.
Beneficial functional:
1, the present invention utilizes storage battery power supply to motor power, and the power source of storage battery can also can drive electrical generator by the compressed air engine among the present invention to generate electricity to battery charge as traditional by the outside supply, and the charging source increases, selectivity is many, as long as just have one of them to charge.
2, the invention solves the problem of traditional electrical motor-car endurance deficiency, and the pollution that brings of solution and very low on the impact of environment, also oil or electricity are cheap for cost.
3, car can charge by Bian Kaibian, needn't stop and could charge, and than the traditional electrical motor-car higher comfort feature is arranged.
4, the invention solves the problem of traditional, pneumatic engine power output fast-descending: when directly driving car by compressed air engine, the problem of power output fast-descending, the sensation of steerman clearly, but driving electrical generator by compressed air engine generates electricity with feed motor, and to battery charge, then steerman is not felt the problem that power descends, electrical generator needs only enough power and just can drive, and the power of motor is mainly by the storage battery supply, therefore, do not have the traditional, pneumatic engine and directly drive the obvious problem that descends of power output that car brings.Also therefore, when the compression pressure of supply compressed air engine is not enough to promote car, still can drive electrical generator rotates, therefore, can make the pressure gas in the gas cylinder that more fully utilization is arranged, with respect to directly driven car by compressed air engine for, and can increase endurance, and can allow battery remain on high potential, motor also can remain on high output, and the power of car does not just have the problem of obvious decline.
5, because inflationtime only needs several minutes, the invention solves the long problem of battery-driven car charging time-histories; And because power source drives the electrical generator generating by battery and aerodynamic engine, its endurance will significantly promote.
6, since high pressure gas except obtaining easily, cost is also more cheap, compared with petrol service station or battery-charging station is simpler and cost is low, also more easily reaches to build.
7, the battery cost of battery-driven car accounts for 30~50% of integral vehicle cost, and is very expensive, and is loss of function in charging after 2000 times at most, must upgrade.Battery and aerodynamic engine drive electrical generator and mix use, owing to the electric power that most is arranged by the electrical generator supply, the charge frequency of battery can descend, and can prolong the time that more renews battery.
8, when climbing or need the situation of the large torsion such as anxious acceleration, owing to the compressed air engine generating can provide extra large electric current, can increase the torsion of motor, also can improve the maximum speed restriction of automobile.
Description of drawings
Fig. 1 is that the layout circle of looking at automobile is used in the composite power of battery-driven car of the present invention and electric system;
Fig. 2 is that composite power and the electric system of battery-driven car of the present invention used at the front of automobile layout circle;
Fig. 3 is the composite power of battery-driven car of the present invention and the system block diagrams of electric system;
Fig. 4 is that composite power and the electric system of battery-driven car of the present invention used at the front of motor bike configuration view;
Fig. 5 is that the layout circle of looking at motor bike is used in the composite power of battery-driven car of the present invention and electric system;
Fig. 6 is the composite power of battery-driven car of the present invention and the electric current supply curve figure of electric system;
Fig. 7 is the schematic diagram of the gas covering device of the composite power of battery-driven car of the present invention and electric system.
Description of reference numerals: the composite power of battery-driven car and electric system 100; Compressed air engine 10; Accumulator unit 11; Electrical generator 12; Storage battery 13; Motor 14; Battery-driven car 15; Transmission shaft 18; Wheel 19; Pipeline 20; Valve 17; Energy management module 16; Voltage regulator 161; Controller 162; Electric power checking device 163; Discharge and recharge control device 164; The first accumulator unit 111; Gas covering device 2; The second accumulator unit 112; The first compressor 22; The second compressor 21; Pressure-modulation valve 271; Electromagnetic valve 272; Check valve 273,274; Pipeline 275,276.
The specific embodiment
For making your juror further understanding and approval be arranged to feature of the present invention and characteristics, hereby enumerate following preferred embodiment and cooperate graphic being described as follows:
The first embodiment:
With reference to Fig. 1~shown in Figure 3, be the combined power system 100 of a kind of battery-driven car of providing of a preferred embodiment of the present invention, it includes compressed air engine 12, two storage batterys 13 of 10, one accumulator units, 11, one electrical generators and motor 14 consists of.Provide battery-driven car 15 power by motor 14, and send power to four wheels 19 by transmission shaft 18.The battery-driven car 15 of the present embodiment is automobile, can certainly be applied to motor bike, Electrical Bicycle, electro-tricycle.
In an embodiment of the present invention, this compressed air engine 10 is a kind of device that can accept to produce through the gas of high pressure power, this compressed air engine 10 is 7866251B2 number (the corresponding patents: TaiWan, China TWI327621 of US Patent that adopt inventor's exploitation, China CN665571, PCT/CN2007/001994) technology of engine installation, and provide compressed high pressure gas by accumulator unit 11, in one embodiment of the invention, accumulator unit 11 is can bear in the steel cylinder of high pressure one to pour into gas, make and produce high pressure and can store more gas, this gas such as typical air, nitrogen etc., at compressed air engine 10 and 11 of accumulator units a pipeline 20 is arranged then, and a valve 17 is arranged, when valve 17 is opened, accumulator unit 11 air feed are closed when valve 17 to compressed air engine 10, and accumulator unit 11 stops air feed.
In a preferred embodiment of the present invention, to produce electric power, it adopts typical dynamo generator 12 to produce direct current (DC) to this electrical generator 12, uses and storage battery 13 charging usefulness for motor 14 by aforementioned compressed air engine 10 drives; This storage battery 13 then can use external power, for example: civil power charges after voltage adjustment and rectification or the electric power that sends with electrical generator 12 of the present invention charges, storage battery 13 can adopt typical lead phosphate phosphorus battery, lithium Fe battery etc., certainly, therefore do not limit the use of other kind batteries.
In a preferred embodiment of the present invention, this motor 14 mainly provides the source of this case battery-driven car 15 power, can select by storage battery 13 or drive electrical generator 12 generation electric power by compressed air engine 10 to come CD-ROM drive motor 14.
As shown in the above description, the present invention provides battery-driven car 15 electric power by storage battery 13, then charged by the general traditional electric power system in outside in the source of storage battery 13 electric power, also can drive electrical generator 12 generatings by compressed air engine 10 and charge, the invention provides the composite electric system of two kinds of power supply modes of battery-driven car.
Please refer to shown in Figure 3ly, is system's square layout circle of a preferred embodiment of the present invention.Among the embodiment, the combined power system 100 of a kind of battery-driven car of the present invention more includes an energy management module 16, this energy management module 16 includes voltage regulator 161, one controllers, 162, one electric power checking devices 163 and and discharges and recharges control device 164 etc.
In a preferred embodiment of the present invention, this storage battery 13 is to input or output electric energy via energy management module 16, and the electric power that electrical generator 12 sends also offers energy management module 16, is carried out to storage battery 13 chargings or to motor 14 power supplies by energy management module 16.
Brought forward is described, the electric power that electrical generator 12 sends mainly be by voltage regulator 161 do the voltage adjustment as boost or step-down and voltage stabilizing after deliver to and discharge and recharge control device 164, and by controller 162 controls to storage battery 13 chargings or to motor 14 power supplies.
Brought forward is described, in a preferred embodiment of the present invention, the air feed of 11 pairs of compressed air engines 10 of accumulator unit is opened or closed to the electric weight that relies on energy management module 16 to detect storage battery 13, electric power checking device 163 in the energy management module 16 is then mainly as the purposes of detecting storage battery 13 electric weight, when it detects the electric weight deficiency of storage battery 13, controller 162 just driving valve 17 is opened, make electrical generator 12 generatings to start compressed air engine 10, when the electric weight that detects storage battery 13 is sufficient, controller 162 is shutoff valve 17 just, to close compressed air engine 10 and electrical generator 12.Certainly, above-mentioned control is all adopted intelligent, accomplishes fully automatically control.
Brought forward is described, in a preferred embodiment of the present invention, provides two kinds of patterns to open or close the air feed of 11 pairs of compressed air engines 10 of accumulator unit.
The first pattern: valve starts to be judged by battery electric power
In the pattern of being judged by battery electric power, 163 main purposes as detecting storage battery 13 electric weight of electric power checking device in the energy management module 16, when it detects the electric weight deficiency of storage battery 13, controller 162 just driving valve 17 is opened, make electrical generator 12 generatings to start compressed air engine 10, the required electric power of automobile this moment drives electrical generator 12 power supplies by compressed air engine 10 fully, when the electric weight that detects storage battery 13 is sufficient, controller 162 is shutoff valve 17 just, to close compressed air engine 10 and electrical generator 12.Certainly, above-mentioned control is all adopted intelligent, accomplishes fully automatically control.
The second pattern: valve starts by automobile speed per hour and battery electric power to be judged
In this pattern, judged by automobile speed per hour and energy management module 16 simultaneously, 163 main purposes as detecting storage battery 13 electric weight of electric power checking device in the energy management module 16, when it detects the electric weight abundance of storage battery 13, the car starting provides electric power by storage battery 13, when the speed of a motor vehicle surpasses setting value (for example speed per hour is 30 kilometers), open immediately valve, start compressed air engine 10, the electric current of this pattern provide can join shown in Figure 6: during the low speed of a motor vehicle only by battery-operated automobile, during fast state simultaneously by battery and the power supply of engine driven power generator machine.
Under the high-speed travel state, if when the electric power checking device 163 in the energy management this moment module 16 detects storage battery 13 electric weight deficiency, energy management this moment module 16 namely starts charge function, and the electric power that is directly provided by electrical generator charges to battery.
When car under low speed even quiescence, when the electric power checking device 163 in the energy management module 16 detects storage battery 13 electric weight deficiency, controller 162 just driving valve 17 is opened, make electrical generator 12 generatings to start compressed air engine 10, at this moment, the Automobile drive required electric power is provided by the electric power of electrical generator 12 fully, when treating that the speed of a motor vehicle is returned to fast state, returns above-mentioned battery and electrical generator cooperation drive pattern.
Above-mentioned two kinds of powder source management modes all can use, and are fairly simple on power management by the pattern that battery electric power is judged, but air engine efficient under lower-speed state is relatively poor; The second pattern can improve the efficient of air engine, but on power management more complicated.
Be with, above-mentioned composite power and each member of electric system and the introduction of power management thereof that the battery-driven car of the preferred embodiment that provides is provided then is described below its handling characteristics again:
At first, the present invention is mainly by the power resources of motor 14 as battery-driven car 15, driving battery-driven car 15 advances, storage battery 13 can be by the electric power of outside, charge such as civil power, also can drive electrical generators 12 by compressed air engine of the present invention 10 and charge, and motor 14 can and drive electrical generators 12 generatings by compressed air engine 10 by storage battery 13 and power, and all can be controlled by energy management module 16.When car does not use, for example holiday or night, can select civil power that car is charged; When car in use, if storage battery 13 electric weight are sufficient, then used to motor 14 by storage battery 13 power supply, when storage battery 13 electric weight descend, then drive 13 chargings of electrical generator 12 power supply accumulators by compressed air engine 10, and everything can be processed by intelligent energy management module 16, relies on system of the present invention, battery-driven car can charge while travelling, the endurance of battery-driven car increases, and power is abundant, and cost is low, pollution-free, accumulator unit 11 (gas cylinder) inflation fast.
Above-mentioned accumulator unit 11 also can use liquid gas such as liquid nitrogen to replace except using high pressure gas, and only liquid gas must add the evaporation chamber evaporation becomes and can use that (this is background technology, then repeats no more in this behind the gas.)。
The Continuous-flow mistake is known from experience in the composite power of above-mentioned battery-driven car and electric system, its high pressure gas, in order to increase the endurance of battery-driven car, can add gas covering device 2 in one embodiment of the invention as shown in Figure 7, to reclaim some unnecessary energy.
In one embodiment of the invention, gas covering device 2 has two kinds of modes and reaches:
1, a kind of gas covering device 2, include the first compressor 22, and this accumulator unit 11 has at least one the first accumulator unit 111 and one second accumulator unit 112, wherein the pressure of this first accumulator unit 111 is greater than the pressure of the second accumulator unit 112, and the first accumulator unit 111 and the second gas storage fill 112 and have a pressure-modulation valve 271 between putting, and by the second accumulator unit 112 compressed gas supplying to compressed air engine 10, and have a valve 17 at the second accumulator unit 112 and 10 of compressed air engines, drive 112 inflations of 22 pairs of the second accumulator units of the first compressor by compressed air engine 10.
2, a kind of gas covering device 2, include the second compressor 21, and this accumulator unit 11 has at least one the first accumulator unit 111 and one second accumulator unit 112, wherein the pressure of this first accumulator unit 111 is greater than the pressure of the second accumulator unit 112, and the first accumulator unit 111 and 112 of the second accumulator units have a pressure-modulation valve 271, and by the second accumulator unit 112 compressed gas supplying to compressed air engine 10, and has a valve 17 at the second accumulator unit 112 and 10 of compressed air engines, drive electrical generator 12 generatings by compressed air engine 10, inflate to 21 pairs of the second accumulator units 112 of the second compressor with power supply.
In aforementioned, this second accumulator unit 112 provides enough pressure gas with drive engine; This second compressor 21 adopts direct currents and is directly driven by dynamo generator 12.
As shown in Figure 7, before starting compressed air engine 10, must first pressure-modulation valve 271 be opened, allow high pressure air pour into the second accumulator unit 112 (pressure when the first accumulator unit 111 is filled air is a lot of greater than the second accumulator unit 112 pressure) by the first accumulator unit 111, when the second accumulator unit 112 internal pressures arrive specified peak, control cock 271 self-closing pressures.
As shown in Figure 7, when starting compressed air engine 10, the valve 17 of opening the second accumulator unit 112 allows pressure gas pass through conduit 25 pressure gas is imported compressed air engine 10 entrys into service, can be discharged in the atmosphere by deflation hole 27 behind the pressure gas drive engine; Because the output torque of compressed air engine 10 is enough large, can rely on belt 242 to drive the first compressor 22, the first compressor 22 can be compressed into the air in the atmosphere in the air reservoir of the second accumulator unit 112 by pipeline 275, the pressure gas that runs off is replenished some get back to the second accumulator unit 112; Simultaneously, compressed air engine 10 relies on belt 241 band dynamotors 12, and dynamo generator 12 recompresses the second compressor 21 of sub-fraction electric power supply direct current some air by pipeline 276 and returns in the air reservoir of the second accumulator unit 112 from atmosphere.Certainly, in aforementioned pipeline 275,276, be provided with check valve 273, the 274th, be necessary, have non-return effect and release from the second accumulator unit 112 to prevent gas.
Though the second compressor 21 and the first compressor 22 some pressurized airs of covering, but still drive engine can't be supplied and the pressurized air that runs off, at this moment, just must be dependent on the first accumulator unit 111 stored high pressure gas and replenish the high pressure gas that the second air reservoir 112 runs off.
At the pressure flow regulating valve 271 of the second accumulator unit 112 with the air reservoir of the first accumulator unit 111 of high pressure, when the air reservoir pressure of the second accumulator unit 112 is lower than minimal pressure volume setting value, pressure flow regulating valve 271 can be opened automatically, allow the high pressure gas physical efficiency of the first accumulator unit 111 flow in the air reservoir of the second pressure accumulator unit 112, when the air reservoir internal pressure of the second accumulator unit 112 is higher than top pressure volume setting value, pressure flow regulating valve 271 meeting autoshutdowns; The according to this adjusting of system makes the air reservoir pressure of the second accumulator unit 112, can maintain minimum and the maximum amount definite value between, the pressure range of this setting is just meeting the required pressure of drive engine pneumatic 10.Certainly, the gas of the first accumulator unit 111 of high pressure can constantly consume, and when hypotony, just needs by outside aerating equipment, replenishes high pressure gas.
Because the gas claw back mechanism of Fig. 7, allow the Speed Reduction of gas loss, the endurance of battery-driven car can increase.And above-mentioned these all can be done intelligent control by energy management module 16.
The second embodiment:
Fig. 4, Fig. 5 are front view and the top view of the motor bike of the composite power that uses battery-driven car of the present invention and electric system.It comprises the formations such as a compressed air engine 10, one accumulator units 11, one electrical generators 12, one storage batterys 13, a motor 14 and an energy management module 16, provides battery-driven car 15 power by motor 14.The composite power of the present embodiment battery-driven car and electric system are except being used in motor bike, and other member and composition numbering and handling characteristics are identical with the first embodiment, then repeat no more in this.
Certainly, the composite power of battery-driven car of the present invention and electric system also can be made up on the car that is used in traditional fossil fuel engine, utilize energy management module 16 to do the wisdom management and control, can increase the car endurance of traditional fossil fuel engine, and reduce oil consumption and carbon emission.
Above explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that does not break away from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (9)
1. the composite electric system of a battery-driven car is characterized in that, includes:
Compressed air engine, this compressed air engine are can accept compressed gas and produce power;
Accumulator unit, the compressed gas of this accumulator unit supply compressed air engine;
Electrical generator, this electrical generator drives to produce electric power by compressed air engine; And
Storage battery, with the required electric power of supply battery-driven car, this storage battery is charged by the electric power of external power or aforementioned electrical generator.
2. the composite electric system of battery-driven car according to claim 1, it is characterized in that, more include an energy management module, storage battery inputs or outputs electric energy via the energy management module, the electric power that electrical generator sends offers the energy management module, and the energy management module is carried out and powered to battery charge or to electric vehicle motor.
3. the composite electric system of battery-driven car according to claim 2, it is characterized in that, the energy management module includes voltage regulator, discharges and recharges control device and controller, the electric energy that voltage regulator sends electrical generator is after voltage adjustment and voltage stabilizing, deliver to and discharge and recharge control device, powered to battery charge or to electric vehicle motor by controller control.
4. the composite electric system of battery-driven car according to claim 2, it is characterized in that, between accumulator unit and compressed air engine, be provided with a valve, this energy management module has a controller and an electric power checking device, rely on electric power checking device detecting accumulator electric-quantity, as controller open or shutoff valve to the compressed air engine air feed.
5. the composite electric system of each described battery-driven car in 4 according to claim 1, it is characterized in that, more include gas covering device, this gas covering device includes one first compressor, and this accumulator unit has at least one the first accumulator unit and one second accumulator unit, wherein the pressure of this first accumulator unit is greater than the pressure of the second accumulator unit, and has a pressure-modulation valve between the first accumulator unit and the second accumulator unit, and by the second accumulator unit compressed gas supplying to compressed air engine, and between the second accumulator unit and compressed air engine, have a valve, drive the first compressor by compressed air engine the second accumulator unit is inflated.
6. the composite electric system of each described battery-driven car in 4 according to claim 1, it is characterized in that, more include gas covering device, this gas covering device includes one second compressor, and this accumulator unit has at least one the first accumulator unit and one second accumulator unit, wherein the pressure of this first accumulator unit is greater than the pressure of the second accumulator unit, and has a pressure-modulation valve between the first accumulator unit and the second accumulator unit, and by the second accumulator unit compressed gas supplying to compressed air engine, and between the second accumulator unit and compressed air engine, has a valve, drive the electrical generator generating by compressed air engine, the second accumulator unit is inflated to the second compressor with power supply.
7. the combined power system of a battery-driven car, include a motor and such as the composite electric system of each described battery-driven car in the claim 1 to 6, it is characterized in that, this motor provides the power resources of battery-driven car, and the electric power that is produced by storage battery or compressed air engine drive electrical generator comes feed motor electric power.
8. car uses the combined power system of battery-driven car as claimed in claim 7.
9. car according to claim 8 is characterized in that, this car has traditional fossil fuel engine.
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CN112302734A (en) * | 2019-07-26 | 2021-02-02 | 王士荣 | Power generation system |
CN108973644B (en) * | 2018-07-03 | 2021-08-17 | 贺瑞华 | Driving system of electric hybrid electric vehicle |
CN113320636A (en) * | 2020-02-28 | 2021-08-31 | 株式会社岛野 | Control device for human-powered vehicle |
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