CN107887951A - A kind of small-sized wind power generation management of charging and discharging system of automobile using - Google Patents
A kind of small-sized wind power generation management of charging and discharging system of automobile using Download PDFInfo
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- CN107887951A CN107887951A CN201711314259.3A CN201711314259A CN107887951A CN 107887951 A CN107887951 A CN 107887951A CN 201711314259 A CN201711314259 A CN 201711314259A CN 107887951 A CN107887951 A CN 107887951A
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- 238000007600 charging Methods 0.000 title claims abstract description 27
- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 title claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 7
- 239000004065 semiconductor Substances 0.000 claims description 58
- 238000005070 sampling Methods 0.000 claims description 21
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 5
- 206010008190 Cerebrovascular accident Diseases 0.000 abstract description 2
- 208000006011 Stroke Diseases 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- -1 battery system Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of small-sized wind power generation management of charging and discharging system of automobile using, it is characterised in that:Including wind power generation plant, the output port of the wind power generation plant is connected with the charging port of battery, the output port of the battery is connected with the input port of DC DC boost modules, the output port of the DC DC is connected with the input port of o controller, and the output port of the o controller is connected with the charging port of lithium battery.The energy of vehicle traveling process apoplexy is converted into electric energy and by being adapted to management strategy, is power battery charging, can lift the service life of battery and the endurance of electric automobile.
Description
Technical field
The present invention relates to electronic applications, and in particular to a kind of small-sized wind power generation management of charging and discharging system of automobile using.
Background technology
China's new-energy automobile obtains significant results, production and marketing rapid growth in research and development popularization, technical merit etc..It is next
Step, to adhere to that market orientation drives with innovation, rely on popular foundation, millions of people innovation, effort captures core technology, breaks bottleneck system
About, new-energy automobile developing steps are accelerated.One is to speed up realizing the revolutionary breakthrough of electrokinetic cell.Promote big, medium-sized and small enterprises, colleges and universities,
Scientific research institutions etc. set up synergistic operation, the electrokinetic cell innovation platform of opening and shares, the general character such as critical material, battery system,
Concentrate and have an effect in basic technology research and development.The mode of giving rewards in place of subsidies is taken in state revenue, according to indexs pair such as electrokinetic cell performance, sales volumes
Enterprise awards.Increase the support to electrokinetic cell Digitized manufacturing outfit.
Although the global video automobile especially a piece of advantage of pure electric automobile development situation, so far, bus, goes out
Hire a car and the leader of the pure electric automobile really to come into operation in the world is only with Car Rental, pure private pure electric automobile is seldom.
Why pure electric automobile is arrived there is presently no being complicated the reason for receiving by most of driver, but it is most important also to study carefully its
It is the energy source problem of pure electric automobile.The battery durable ability of pure electric automobile seriously constrains the development of electric automobile.Will
The course continuation mileage of pure electric automobile is improved, mainly the accumulation of energy from lifting battery is horizontal and the management system of the energy of battery is started with.
Increase wind energy recovery system on traditional pure electric automobile, and using effective control strategy control battery charging and discharging, can have
The course continuation mileage of effect lifting battery, suitable management of charging and discharging system can effectively improve the service efficiency of battery, extend battery
Service life, this has important realistic meaning to extending the distance travelled of pure electric automobile and reducing pure electric automobile cost.
The content of the invention
The present invention in view of the shortcomings of the prior art, proposes a kind of small-sized wind power generation management of charging and discharging system of automobile using, has
Body technique scheme is as follows:
A kind of small-sized wind power generation management of charging and discharging system of automobile using, it is characterised in that:Including wind power generation plant, the wind
The output port of power generation device is connected with the charging port of battery, output port and the DC-DC boost modules of the battery
Input port be connected, the output port of the DC-DC is connected with the input port of o controller, the output of the o controller
Port is connected with the charging port of lithium battery;
The output port of the o controller also respectively with output current sampling module and output voltage sampling module
Input port is connected, the output port collection with processor respectively of the output current sampling module and output voltage sampling module
Port is connected, and the control port of the o controller is connected with the control port of the processor;
The control port group of the processor respectively with digital-to-analogue conversion voltage control module and digital-to-analogue switching current module
Input port is connected, the output port of the digital-to-analogue conversion voltage control module and the digital-to-analogue conversion current module respectively with institute
The control port group for stating DC-DC boost modules is connected.
To better implement the present invention, may further be:The DC-DC boost modules include inductance L1, inductance L1
One end is connected with the output port B of battery, and inductance L1 the second end is connected with diode D1 anodes, diode D1 negative electrodes
The diode D1 negative electrodes that are connected respectively with electric capacity C4 and electric capacity C5 are output port;
The output port B of the battery is also connected with triode Q2 colelctor electrodes, triode Q2 emitter stages and triode
Q6 emitter stage is connected, and triode Q6 colelctor electrodes are connected with negative supply, the base stage of the triode Q2 through resistance R13 with it is described
The control port of controller is connected, and the base stage of the triode Q2 is also grounded through resistance R25, the base stage of the triode Q6 and institute
The base stage for stating triode Q2 is connected;
Source class of the second end of the inductance L1 also respectively with metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is connected, metal-oxide-semiconductor Q3 and metal-oxide-semiconductor
Q4 drain is grounded respectively;
The emitter stage of emitter stage and triode Q6 of the grid of the metal-oxide-semiconductor Q3 through resistance R18 and triode Q2 it is public
End is connected, and the grid of the metal-oxide-semiconductor Q4 is also grounded through resistance R24, and the grid of the metal-oxide-semiconductor Q4 is through resistance R14 and triode Q2
Emitter stage be connected with the common port of triode Q6 emitter stage.
Further:The o controller includes metal-oxide-semiconductor Q1, and metal-oxide-semiconductor Q1 source class is through inductance L2 and diode cathode
D1 negative electrodes are connected, and metal-oxide-semiconductor Q1 drains are connected with lithium battery input port;
The grid of the metal-oxide-semiconductor Q1 is connected through resistance R4 with triode Q5 colelctor electrode, and triode Q5 emitter stage connects
Ground, triode Q5 base stage are connected through resistance R11 with the control port of controller, and the base stage of the triode Q5 is also through resistance
R21 is grounded, between the source class and grid of the metal-oxide-semiconductor Q1 also bridging have resistance R1, metal-oxide-semiconductor Q1 source class also with two poles
Pipe D2 negative electrodes are connected, and diode D2 anodes are connected with metal-oxide-semiconductor Q1 grid.
Further:The output voltage sampling module includes resistance R3, resistance R3 one end and metal-oxide-semiconductor Q1 drain phases
Even, the second ends of resistance R3 are grounded through resistance R8, resistance R15 and resistance R22, resistance R15 and resistance R22 common port and institute
The signal acquisition port for stating controller is connected.
Beneficial effects of the present invention are:First, the energy of vehicle traveling process apoplexy is converted into electric energy and by being adapted to
Management strategy, it is power battery charging, the service life of battery and the endurance of electric automobile can be lifted.Second, set respectively
Wind power generation plant, battery and DC-DC boost modules, wind-power electricity generation first charge to small battery, through small-sized electric power storage
Pond is to voltage pressure regulation, and the voltage after adjustment is by the DC-DC boost modules of chip controls, the voltage after DC-DC boost modules
It can meet to power battery charging.3rd, single-chip microcomputer control three-stage discharge and recharge DC-DC boost modules, to improve filling for battery
Electrical efficiency extends its service life.It is both the booster of DC-DC, and charge power supply.Single-chip microcomputer can be realized according to battery
State is charged using different control methods to electrokinetic cell.
Brief description of the drawings
Fig. 1 is this practical circuit block diagram;
Fig. 2 is Voltage stabilizing module circuit diagram;
Fig. 3 is the power circuit diagram of controller;
Fig. 4 is the electricity of DC-DC boost modules, output current sampling module, output voltage sampling module and o controller
Lu Tu.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As shown in Figure 1:A kind of small-sized wind power generation management of charging and discharging system of automobile using, it is characterised in that:Sent out including wind-force
Electric installation, the output port of the wind power generation plant are connected with the charging port of battery, the output port and DC- of the battery
The input port of DC boost modules is connected, and the output port of the DC-DC is connected with the input port of o controller, the output control
The output port of device processed is connected with the charging port of lithium battery;
The also input with output current sampling module and output voltage sampling module respectively of the output port of o controller
Port is connected, the output port of the output current sampling module and output voltage sampling module collection port with processor respectively
It is connected, the control port of o controller is connected with the control port of processor, and the processor is single-chip microcomputer;
The input with digital-to-analogue conversion voltage control module and digital-to-analogue switching current module respectively of the control port group of processor
Port is connected, the output port of digital-to-analogue conversion voltage control module and digital-to-analogue switching current module respectively with DC-DC boost modules
Control port group be connected.
As shown in Figure 2:B+ is input battery positive voltage, and inductance L3, electric capacity C19 and electric capacity C20 form LC wave filters, its energy
High-frequency Interference caused by DC-DC power module work is filtered out, D4, which is that Schottky diode its forward conduction voltage drop is low, is
0.3V or so, U7 are the three terminal regulator for exporting positive 5V, and electric capacity C22 and electric capacity C23 are that output filter capacitor is responsible for input electricity
Pressure drop supplies MCU and digital circuit work for stable 5V.
As shown in Figure 3:For the power circuit of controller, the controller is PWM controller TL494, utilizes the pole of Schottky two
The characteristic that pipe D4 unilateral conduction and forward conduction voltage are low isolates the power supply of controller with+B, when DC-DC switching tube
Turning on+B when filling energy to inductance can decline, now because in Schottky diode D4 unilateral conduction electric capacity C24 and electric capacity C5
The electric energy of the storage in face continues to power to controller.The transient state low pressure caused by when will not be because of induction charging that makes controller and stop
Work.
As shown in Figure 4:DC-DC boost modules include inductance L1, inductance L1 first ends and the output port B phases of battery
Even, inductance L1 the second end is connected with diode D1 anodes, and diode D1 negative electrodes are connected with electric capacity C4 and electric capacity C5 respectively
Diode D1 negative electrodes are output port;
The output port B of battery is also connected with triode Q2 colelctor electrodes, and triode Q2 emitter stages are with triode Q6's
Emitter stage is connected, and triode Q6 colelctor electrodes are connected with negative supply, triode Q2 control of the base stage through resistance R13 and controller
Port is connected, and triode Q2 base stage is also grounded through resistance R25, and triode Q6 base stage is connected with triode Q2 base stage;
Source class of inductance L1 the second end also respectively with metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is connected, metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4's
Drain is grounded respectively;
The common port phase of the emitter stage of emitter stage and triode Q6 of the metal-oxide-semiconductor Q3 grid through resistance R18 and triode Q2
Even, metal-oxide-semiconductor Q4 grid is also grounded through resistance R24, metal-oxide-semiconductor Q4 emitter stage and three of the grid through resistance R14 Yu triode Q2
The common port of pole pipe Q6 emitter stage is connected.
O controller includes metal-oxide-semiconductor Q1, and metal-oxide-semiconductor Q1 source class is connected through inductance L2 with diode cathode D1 negative electrodes, should
Metal-oxide-semiconductor Q1 drains are connected with lithium battery input port;
Metal-oxide-semiconductor Q1 grid is connected through resistance R4 with triode Q5 colelctor electrode, triode Q5 grounded emitter, should
Triode Q5 base stage is connected through resistance R11 with the control port of controller, and triode Q5 base stage is also grounded through resistance R21,
Also bridging has resistance R1 between metal-oxide-semiconductor Q1 source class and grid, and metal-oxide-semiconductor Q1 source class is also connected with diode D2 negative electrodes, should
Diode D2 anodes are connected with metal-oxide-semiconductor Q1 grid.
Output voltage sampling module includes resistance R3, and resistance R3 one end is connected with metal-oxide-semiconductor Q1 drains, resistance R3 second
End is grounded through resistance R8, resistance R15 and resistance R22, resistance R15 and resistance R22 common port and the signal acquisition of controller
Port is connected.
Operation principle of the present invention:
Inductance L1 is energy storage inductor, and Magnetic Energy Storage is converted electrical energy into during metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is turned on,
Metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is as switching tube, and the change of magnetic energy will be in inductance L1 both ends formation one during switching tube ends
The individual voltage with opposite in potential during charging, this voltage superposition are filled on+B by diode D1 to output capacitance C4 and electric capacity C5
Electricity, until next switch periods metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is turned on again, give inductance L1 chargings.And so on, just by voltage liter
Gao Liao.
The push-pull circuit that triode Q2 and triode Q6 is formed is exaggerated the circuit drives ability of controller, makes metal-oxide-semiconductor Q3
With the faster turn-on and turn-off of metal-oxide-semiconductor Q4 energy, reduce switching loss caused by turn-on and turn-off process.
Resistance R2, resistance R6, resistance R10 and resistance R19 are output sampling resistors, and it will be sent into after output voltage partial pressure and controls
Error amplifier in device processed is compared to choose whole output voltage with reference voltage, so reference voltage is multiplied by intrinsic standoff ratio here
It is exactly the output voltage of whole circuit.Similarly resistance R27 is current sampling resistor.
Metal-oxide-semiconductor Q1 makees switch and used, and realizes DC-DC output shut-off, when MCU is to mono- high level of Out_Ctr, three poles
Pipe Q5 saturations, electric current is by resistance R1 and resistance R4, by triode Q5 to ground, at this moment because diode D2 presence, metal-oxide-semiconductor
Q1 gate source voltage is limited in safe 12V.Now metal-oxide-semiconductor Q1 is turned on, and circuit just normally exports.When MCU is to ut_Ctr mono-
Low usually triode Q5 disconnects, and metal-oxide-semiconductor Q1 gate source voltage crosses resistance R1 releases, final metal-oxide-semiconductor Q1 cut-offs.
Resistance R22 is the sampling resistor of cell voltage, and resistance R3, resistance R8, resistance R15 and resistance R22 are by cell voltage
It is sent into after partial pressure after ADC carries out digital-to-analogue conversion and is sent into MCU processing, realizes voltage detecting.
Controller TL494 is pulse width controller.Its switching frequency is set by electric capacity C3 and resistance R5, its inside
It is one group to contain two pin of error amplifier 1 and 2 pin, and this group is by will examine caused voltage and I_ref on leakage resistance
Magnitude of voltage compares, and closes to export when examining the voltage on leakage resistance and be higher than I_ref and controls whole DC-DC output most to reach
The purpose of high current, 15 pin and 16 pin are the voltage and V_ref that another group of this grouping error amplifier will be exported on sampling resistor
Compare, it is to increase dutycycle that sampling resistor, which is less than V_ref, on the contrary then increase dutycycle, is controlled by adjusting dutycycle defeated
Go out voltage.
Claims (4)
- A kind of 1. small-sized wind power generation management of charging and discharging system of automobile using, it is characterised in that:Including wind power generation plant, the wind-force The output port of TRT is connected with the charging port of battery, output port and the DC-DC boost modules of the battery Input port is connected, and the output port of the DC-DC is connected with the input port of o controller, the output end of the o controller Mouth is connected with the charging port of lithium battery;The also input with output current sampling module and output voltage sampling module respectively of the output port of the o controller Port is connected, the output port of the output current sampling module and output voltage sampling module collection port with processor respectively It is connected, the control port of the o controller is connected with the control port of the processor;The input with digital-to-analogue conversion voltage control module and digital-to-analogue switching current module respectively of the control port group of the processor Port is connected, the output port of the digital-to-analogue conversion voltage control module and the digital-to-analogue conversion current module respectively with it is described The control port group of DC-DC boost modules is connected.
- A kind of 2. small-sized wind power generation management of charging and discharging system of automobile using according to claim 1, it is characterised in that:It is described DC-DC boost modules include inductance L1, and inductance L1 first ends are connected with the output port B of battery, and the second of inductance L1 End be connected with diode D1 anodes, diode D1 negative electrodes be connected respectively with electric capacity C4 and electric capacity C5 diode D1 negative electrodes be it is defeated Exit port;The output port B of the battery is also connected with triode Q2 colelctor electrodes, and triode Q2 emitter stages are with triode Q6's Emitter stage is connected, and triode Q6 colelctor electrodes are connected with negative supply, and the base stage of the triode Q2 is through resistance R13 and the control The control port of device is connected, and the base stage of the triode Q2 is also grounded through resistance R25, the base stage of the triode Q6 and described three Pole pipe Q2 base stage is connected;Source class of the second end of the inductance L1 also respectively with metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4 is connected, metal-oxide-semiconductor Q3 and metal-oxide-semiconductor Q4's Drain is grounded respectively;The common port phase of the emitter stage of emitter stage and triode Q6 of the grid of the metal-oxide-semiconductor Q3 through resistance R18 and triode Q2 Even, the grid of the metal-oxide-semiconductor Q4 is also grounded through resistance R24, hair of the grid through resistance R14 Yu triode Q2 of the metal-oxide-semiconductor Q4 Emitter-base bandgap grading is connected with the common port of triode Q6 emitter stage.
- A kind of 3. small-sized wind power generation management of charging and discharging system of automobile using according to claim 1, it is characterised in that:It is described defeated Going out controller includes metal-oxide-semiconductor Q1, and metal-oxide-semiconductor Q1 source class is connected through inductance L2 with diode cathode D1 negative electrodes, metal-oxide-semiconductor Q1 drains It is connected with lithium battery input port;The grid of the metal-oxide-semiconductor Q1 is connected through resistance R4 with triode Q5 colelctor electrode, triode Q5 grounded emitter, should Triode Q5 base stage is connected through resistance R11 with the control port of controller, and the base stage of the triode Q5 also connects through resistance R21 Ground, between the source class and grid of the metal-oxide-semiconductor Q1 also bridging have resistance R1, metal-oxide-semiconductor Q1 source class also with diode D2 Negative electrode is connected, and diode D2 anodes are connected with metal-oxide-semiconductor Q1 grid.
- A kind of 4. small-sized wind power generation management of charging and discharging system of automobile using according to claim 1, it is characterised in that:It is described defeated Going out voltage sample module includes resistance R3, and resistance R3 one end is connected with metal-oxide-semiconductor Q1 drains, and the second ends of resistance R3 are through resistance R8, resistance R15 and resistance R22 ground connection, resistance R15 and resistance R22 common port and the signal acquisition port of the controller It is connected.
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CN201711314259.3A CN107887951B (en) | 2017-12-12 | 2017-12-12 | Small wind power generation charging and discharging management system for automobile |
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CN201711314259.3A CN107887951B (en) | 2017-12-12 | 2017-12-12 | Small wind power generation charging and discharging management system for automobile |
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CN107887951B CN107887951B (en) | 2023-12-15 |
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2017
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