CN108407626A - Artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit - Google Patents
Artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit Download PDFInfo
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- CN108407626A CN108407626A CN201810031066.5A CN201810031066A CN108407626A CN 108407626 A CN108407626 A CN 108407626A CN 201810031066 A CN201810031066 A CN 201810031066A CN 108407626 A CN108407626 A CN 108407626A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The invention discloses artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuits,Including battery power detection circuit,Battery capacity detects signal correcting circuit,Power supply power supply regulator circuit and stage constant voltage charging circuit,Battery power detection circuit will enter as detection voltage in battery capacity detection signal correcting circuit after voltage filter when charging battery of electric vehicle carries out error correction,Effectively eliminate the past empty electrical phenomena of artificial intelligence charging battery of electric vehicle,Reduce the situation of battery ohmic polarization generation,Revised voltage is three stage Regulation Control signals of stage constant voltage charging circuit,It is that artificial intelligent electric motor car battery charging voltage carries out stage charging (first stage charging to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit,It charges for low-voltage,Second stage charges,It charges for higher pressure,Phase III charges,It charges for low pressure),Ensure charge efficiency with this,Prevent battery void electrical phenomena.
Description
Technical field
The present invention relates to artificial intelligence vehicle technology fields, more particularly to artificial intelligence battery of electric vehicle electric power detection
Amendment and stage charging circuit.
Background technology
With globalization climatic deterioration, the whole mankind is discussing how to cope with climate change, and new energy is found in energy-saving and emission-reduction
It is to reduce the important channel of environmental disruption, and vehicle exhaust is an important factor for aggravating environmental degradation, for this purpose, many enterprise institutions
Researching and developing free of contamination electric vehicle.
Currently, free of contamination electric vehicle that is to say that empty electrical phenomena often occurs for artificial intelligence charging battery of electric vehicle, very
Battery ohmic polarization phenomenon can extremely occur, not only make battery that empty electrical phenomena occur, influence the mileage travelled of electric vehicle, even more significantly
The service life of battery is reduced, great inconvenience is brought for the car experience of people.
So the present invention provides a kind of new scheme to solve the problems, such as this.
Invention content
For the above situation, to overcome the defect of the prior art, purpose of the present invention is to provide artificial intelligence electric vehicles
Battery capacity detection correct and stage charging circuit, have be skillfully constructed, the characteristic of human oriented design, increase artificial intelligence electricity
Motor-car battery capacity detects signal correcting circuit, efficiently solves artificial intelligence charging battery of electric vehicle and empty electricity often occurs
Phenomenon, or even the problem of battery ohmic polarization phenomenon can occur.
Its technical solution solved is artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit, including
Battery power detection circuit, battery capacity detection signal correcting circuit, power supply power supply regulator circuit and stage constant-voltage charge electricity
Road, the battery power detection circuit read model HDGC3912 intelligent battery internal resistance test devices by USB interface J1 and test
Artificial intelligence charging battery of electric vehicle when battery positive and negative electrode potential, through operational amplifier A R4 be core subtraction circuit
It is used as detection voltage to enter battery capacity detection letter after calculating the LC filter circuits filtering of voltage, inductance L2 and capacitance C4 compositions
Number correct circuit in operational amplifier A R3 in-phase input end, while operational amplifier A R2 be core reverse phase ratio circuit it is defeated
Go out the in-phase input end that error voltage enters operational amplifier A R3 in battery capacity detection signal correcting circuit through resistance R24, fortune
The in-phase input end for calculating amplifier AR3 is error voltage and detects the superposition of voltage, i.e. operational amplifier A R3 is the addition of core
Revised voltage is exported after concatenated voltage-stabiliser tube Z1 and Z2 voltage stabilizings after circuit modifications, this voltage is stage constant-voltage charge electricity
The three stage Regulation Control signals on road, it is artificial to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit
Intelligent electric motor car battery charging voltage carries out stage charging；
The battery capacity detection signal correcting circuit carries out error correction to the voltage that battery power detection circuit detects, and is rank
Segmentation constant voltage charging circuit provides accurate three stages Regulation Control signal, including operational amplifier A R3, operational amplifier A R3
In-phase input end be respectively connected to battery power detection circuit detection output voltage and error voltage, resistance R16, R17, operation
Amplifier AR3 constitutes add circuit, and wherein error voltage is exported by the reverse phase ratio circuit that operational amplifier A R2 is core,
Middle operational amplifier A R2 anti-phase inputs terminal voltage is provided by the nominal+12V voltages of artificial intelligence battery of electric vehicle, and potentiometer is arranged
RP2 and resistance R23 series connection resistance values and be 0.07 with the resistance value ratio of resistance R21, i.e., relative error is 0.07, operational amplifier A R2
Output error voltage is 0.84V, adjusts potentiometer RP2 and relative error is adjusted, that is, adjust the size of error voltage.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, battery power detection circuit reads model HDGC3912 intelligent battery internal resistance test devices by USB interface J1 and tests
Artificial intelligence charging battery of electric vehicle when battery positive and negative electrode potential, through operational amplifier A R4 be core subtraction circuit
It is used as detection voltage to enter battery capacity detection letter after calculating the LC filter circuits filtering of voltage, inductance L2 and capacitance C4 compositions
Number correct circuit in operational amplifier A R3 in-phase input end, while operational amplifier A R2 be core reverse phase ratio circuit it is defeated
Go out the in-phase input end that error voltage enters operational amplifier A R3 in battery capacity detection signal correcting circuit through resistance R24, fortune
The in-phase input end for calculating amplifier AR3 is error voltage and detects the superposition of voltage, i.e. operational amplifier A R3 is the addition of core
Revised voltage is exported after concatenated voltage-stabiliser tube Z1 and Z2 voltage stabilizings after circuit modifications, this voltage is stage constant-voltage charge electricity
The three stage Regulation Control signals on road, it is artificial to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit
Intelligent electric motor car battery charging voltage carries out stage charging, increases artificial intelligence battery of electric vehicle electric power detection signal correction
Circuit effectively eliminates the past empty electrical phenomena of artificial intelligence charging battery of electric vehicle, reduces the shape of battery ohmic polarization generation
Condition.
2, the different voltage status of battery needs different charging voltages, first stage charging to charge for low-voltage, by
It is less in battery current, it needs to charge for a long time, it is therefore desirable to make cell voltage, temperature be restored to normal condition, when being convenient for long
Between charging will produce battery ohmic polarization phenomenon, second stage charging is charged for higher pressure, the electricity of battery be not it is low nor
It is especially high, therefore the charging time is moderate, and higher pressure charging may be used, and improves charge efficiency, phase III charging is filled for low pressure
Electricity, since battery capacity at this time is higher, charging time end can prevent battery void electrical phenomena using low pressure charging.
Description of the drawings
Fig. 1 is the circuit link block of the artificial intelligent electric motor car battery capacity detection amendment of the present invention and stage charging circuit
Figure.
Fig. 2 is the circuit catenation principle of the artificial intelligent electric motor car battery capacity detection amendment of the present invention and stage charging circuit
Figure.
Specific implementation mode
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through attached drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is with specification
Attached drawing is reference.
Embodiment one, artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit, including battery capacity inspection
Slowdown monitoring circuit, battery capacity detection signal correcting circuit, power supply power supply regulator circuit and stage constant voltage charging circuit, the battery
Electric quantity detecting circuit reads the artificial intelligence electricity of model HDGC3912 intelligent battery internal resistance test devices test by USB interface J1
The positive and negative electrode potential of battery when motor-car battery charges calculates voltage, electricity through the subtraction circuit that operational amplifier A R4 is core
Enter in battery capacity detection signal correcting circuit as detection voltage after the LC filter circuits filtering of sense L2 and capacitance C4 compositions
The in-phase input end of operational amplifier A R3, while the reverse phase ratio circuit output error voltage that operational amplifier A R2 is core passes through
Resistance R24 enters the in-phase input end of operational amplifier A R3 in battery capacity detection signal correcting circuit, operational amplifier A R3
In-phase input end be error voltage and detect voltage superposition, i.e. operational amplifier A R3 be core add circuit correct after
Revised voltage is exported after voltage-stabiliser tube Z1 and the Z2 voltage stabilizing being concatenated, this voltage is three stages of stage constant voltage charging circuit
Regulation Control signal, it is artificial intelligent electric motor car to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit
Battery charging voltage carries out stage charging；
The battery capacity detection signal correcting circuit carries out error correction to the voltage that battery power detection circuit detects, and is rank
Segmentation constant voltage charging circuit provides accurate three stages Regulation Control signal, and the in-phase input end of operational amplifier A R3 connects respectively
Enter the voltage and error voltage of battery power detection circuit detection output, resistance R16, R17, operational amplifier A R3 constitute addition
Circuit, wherein error voltage are exported by the reverse phase ratio circuit that operational amplifier A R2 is core, and wherein operational amplifier A R2 is anti-
Phase input terminal voltage is provided by the nominal+12V voltages of artificial intelligence battery of electric vehicle, and potentiometer RP2 and resistance R23 series connection resistances is arranged
Value and be 0.07 with the resistance value ratio of resistance R21, i.e. relative error is 0.07, and operational amplifier A R2 output error voltages are
0.84V adjusts potentiometer RP2 and relative error is adjusted, that is, adjusts the size of error voltage.
Embodiment two, on the basis of embodiment one, the stage constant voltage charging circuit is divided into the charging of three stages, battery
Different voltage status needs different charging voltages, when battery power detection circuit detects artificial intelligence battery of electric vehicle electricity
When pressure amount is the state of 0-30%, first stage charging is charged for low-voltage, since battery current is less, needs to fill for a long time
Electricity, it is therefore desirable to make cell voltage, temperature be restored to normal condition, it is existing to will produce battery ohmic polarization convenient for long-time charging
As the collector reception power supply power supply regulator circuit of the triode Q5 conductings in stage constant voltage charging circuit, triode Q5 is defeated
The voltage entered, in CE knots, resistance R10, OUT terminal output voltage to artificial intelligence electric vehicle charging interface through triode Q5,
It is to charge for artificial intelligent electric motor car battery, when battery power detection circuit detects artificial intelligence battery of electric vehicle voltage
For 30%-80% state when, second stage charging is charged for higher pressure, and the electricity of battery is not low nor especially high, therefore
Charging time is moderate, and higher pressure charging may be used, and improves charge efficiency, and the signal of battery power detection circuit output makes three poles
Pipe Q5, Q4 are both turned on, the voltage of power supply power supply regulator circuit input at this time after triode Q5 flows through resistance R8 and R18 series connection with
Resistance R10 parallel circuits, by OUT terminal output voltage to artificial intelligence electric vehicle charging interface, that is to say as artificial intelligence electricity
Motor-car battery charges, wherein the emitter of the collector connecting transistor Q5 of triode Q4, the emitter connecting resistance R8 of triode Q4
One end, when battery power detection circuit detect artificial intelligence battery of electric vehicle voltage be 80% or more state when, third rank
Section charging, charges for low pressure, and since battery capacity at this time is higher, charging time end can be prevented using low pressure charging
The signal of battery void electrical phenomena, battery power detection circuit output makes triode Q5, Q4 and triode Q6 be both turned on, triode Q6
Collector connecting resistance R8 the other end, one end of the emitter connecting resistance R9 of triode Q6, another termination OUT of resistance R9
End increases the resistance R9 in parallel with resistance R18, the voltage of power supply power supply regulator circuit input is through triode compared with second stage
Q5 is flowed through after resistance R8 and R18 connect with resistance R10 parallel circuits, and artificial intelligence electric vehicle is output to by OUT terminal output voltage
In charging interface, wherein the voltage for flowing through resistance R8 exports after resistance R18 and resistance R9 parallel circuits, it that is to say as artificial intelligence
It can charging battery of electric vehicle.
Embodiment three, on the basis of embodiment one, the power supply power supply regulator circuit is by the alternating current of input through transformation, whole
Pulsating dc voltage after stream is by sampling, two-stage regulating and controlling voltage metal-oxide-semiconductor grid voltage, and output voltage is further steady between making drain-source
The drain electrode of pressure, metal-oxide-semiconductor MOS1 connects power supply power supply input terminal, and diode D2, which is protection diode, prevents electric current is excessive from burning out MOS
The source electrode of pipe, metal-oxide-semiconductor MOS1 is regulation and control voltage end, the sample circuit that voltage is made of resistance R12, resistance R13, potentiometer RP1
Output voltage is acquired, trigger triode Q7, Q8 is connected step by step, and relay K1, K2 coil obtains electric, resistance R19 and resistance in parallel
The grid of R20, resistance R15 or resistance R19 and the resistance R20 of parallel connection, resistance R15, resistance R14 offer voltages to metal-oxide-semiconductor MOS1,
Specifically when output voltage is relatively low, diode D4 conductings arrive metal-oxide-semiconductor after low pressure and the coupling of resistance R19, R20 bleeder circuit
The grid of MOS1 makes to export stable voltage between drain-source, when output voltage it is higher 10% when, triode Q7 conducting, relay K1
Coil obtains electric, normally opened contact closure, and+5V, resistance R19, resistance R20 and R14 in parallel constitute bleeder circuit, and the voltage of reduction adds
To the grid of metal-oxide-semiconductor MOS1, make to export stable voltage between drain-source, when output voltage it is higher 20% when, triode Q7 conducting, three
Pole pipe Q8 is both turned on, and relay K1, K2 coil obtains electric, and normally opened contact is closed ,+5V, resistance R19, in parallel resistance R20 and R14,
R15 constitutes bleeder circuit, and the voltage that progress reduces is added to the grid of metal-oxide-semiconductor MOS1, makes to export stable voltage between drain-source.
The present invention has in use, artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit, including battery
Electric quantity detecting circuit, battery capacity detection signal correcting circuit, power supply power supply regulator circuit and stage constant voltage charging circuit, institute
It states battery power detection circuit and the artificial of model HDGC3912 intelligent battery internal resistance test devices test is read by USB interface J1
The positive and negative electrode potential of battery when intelligent electric motor car battery charges is calculated through the subtraction circuit that operational amplifier A R4 is core
Enter battery capacity detection signal correction as detection voltage after the LC filter circuits filtering of voltage, inductance L2 and capacitance C4 compositions
The in-phase input end of operational amplifier A R3 in circuit, while the reverse phase ratio circuit output error that operational amplifier A R2 is core
Voltage enters the in-phase input end of operational amplifier A R3 in battery capacity detection signal correcting circuit, operation amplifier through resistance R24
The in-phase input end of device AR3 is error voltage and detects the superposition of voltage, i.e. operational amplifier A R3 is that the add circuit of core is repaiied
Revised voltage just is exported after concatenated voltage-stabiliser tube Z1 and Z2 voltage stabilizings afterwards, this voltage is the three of stage constant voltage charging circuit
Stage Regulation Control signal, it is artificial intelligence electricity to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit
Motor-car battery charging voltage carries out stage charging, and the battery capacity detects signal correcting circuit to battery power detection circuit
The voltage of detection carries out error correction, and accurate three stages Regulation Control signal, operation are provided for stage constant voltage charging circuit
The in-phase input end of amplifier AR3 is respectively connected to the voltage and error voltage of battery power detection circuit detection output, resistance
R16, R17, operational amplifier A R3 constitute add circuit, and wherein error voltage is the reverse phase ratio of core by operational amplifier A R2
Circuit output, wherein operational amplifier A R2 anti-phase inputs terminal voltage are provided by the nominal+12V voltages of artificial intelligence battery of electric vehicle,
Potentiometer RP2 and resistance R23 series connection resistance values are set and it are 0.07 with the resistance value ratio of resistance R21, i.e., relative error is 0.07, operation
Amplifier AR2 output error voltages are 0.84V, adjust potentiometer RP2 and relative error is adjusted, that is, adjust the big of error voltage
Small, the different voltage status of battery needs different charging voltages, when battery power detection circuit detects that artificial intelligence is electronic
When vehicle cell voltage amount is the state of 0-30%, first stage charging charges for low-voltage, since battery current is less, needs to grow
Time charges, it is therefore desirable to so that cell voltage, temperature is restored to normal condition, will produce battery ohm pole convenient for long-time charging
Change phenomenon, when battery power detection circuit detects that artificial intelligence battery of electric vehicle voltage is the state of 30%-80%, second
Stage charges, and charges for higher pressure, and the electricity of battery is not low nor especially high, therefore the charging time is moderate, may be used
Higher pressure charges, and improves charge efficiency, when battery power detection circuit detects that artificial intelligence battery of electric vehicle voltage is 80%
When the above state, phase III charging is charged for low pressure, since battery capacity at this time is higher, charging time end, using low pressure
Charging can prevent battery void electrical phenomena.
The above is to combine specific implementation mode is made for the present invention to be further described, and it cannot be said that the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, made by expand and operating method, data replacement, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. artificial intelligence battery of electric vehicle electric power detection amendment and stage charging circuit, including battery power detection circuit, battery
Electric power detection signal correcting circuit, power supply power supply regulator circuit and stage constant voltage charging circuit, which is characterized in that the battery
Electric quantity detecting circuit reads the artificial intelligence electricity of model HDGC3912 intelligent battery internal resistance test devices test by USB interface J1
The positive and negative electrode potential of battery when motor-car battery charges calculates voltage, electricity through the subtraction circuit that operational amplifier A R4 is core
Enter in battery capacity detection signal correcting circuit as detection voltage after the LC filter circuits filtering of sense L2 and capacitance C4 compositions
The in-phase input end of operational amplifier A R3, while the reverse phase ratio circuit output error voltage that operational amplifier A R2 is core passes through
Resistance R24 enters the in-phase input end of operational amplifier A R3 in battery capacity detection signal correcting circuit, operational amplifier A R3
In-phase input end be error voltage and detect voltage superposition, i.e. operational amplifier A R3 be core add circuit correct after
Revised voltage is exported after voltage-stabiliser tube Z1 and the Z2 voltage stabilizing being concatenated, this voltage is three stages of stage constant voltage charging circuit
Regulation Control signal, it is artificial intelligent electric motor car to control stage constant voltage charging circuit and receive the input of power supply power supply regulator circuit
Battery charging voltage carries out stage charging；
The battery capacity detection signal correcting circuit carries out error correction to the voltage that battery power detection circuit detects, and is rank
Segmentation constant voltage charging circuit provides accurate three stages Regulation Control signal, including operational amplifier A R3, operational amplifier A R3
In-phase input end be respectively connected to battery power detection circuit detection output voltage and error voltage, resistance R16, R17, operation
Amplifier AR3 constitutes add circuit, and wherein error voltage is exported by the reverse phase ratio circuit that operational amplifier A R2 is core,
Middle operational amplifier A R2 anti-phase inputs terminal voltage is provided by the nominal+12V voltages of artificial intelligence battery of electric vehicle, and potentiometer is arranged
RP2 and resistance R23 series connection resistance values and be 0.07 with the resistance value ratio of resistance R21, i.e., relative error is 0.07, operational amplifier A R2
Output error voltage is 0.84V, adjusts potentiometer RP2 and relative error is adjusted, that is, adjust the size of error voltage.
2. artificial intelligence battery of electric vehicle electric power detection amendment according to claim 1 and stage charging circuit, feature
It is, the stage constant voltage charging circuit is divided into the charging of three stages, and battery power detection circuit detects that artificial intelligence is electronic
When vehicle cell voltage amount is the state of 0-30%, the first stage charges, the triode Q5 conductings in stage constant voltage charging circuit,
The collector of triode Q5 receives the voltage of power supply power supply regulator circuit input, CE knots, resistance R10, OUT terminal through triode Q5
In output voltage to artificial intelligence electric vehicle charging interface, it that is to say and charge for artificial intelligent electric motor car battery, work as battery capacity
When detection circuit detects that artificial intelligence battery of electric vehicle voltage is the state of 30%-80%, second stage charging, battery capacity
The signal of detection circuit output makes triode Q5, Q4 be both turned on, and the voltage of power supply power supply regulator circuit input at this time is through triode
Q5 is flowed through after resistance R8 and R18 connect with resistance R10 parallel circuits, is charged by OUT terminal output voltage to artificial intelligence electric vehicle
In interface, it that is to say and charge for artificial intelligent electric motor car battery, wherein the emitter of the collector connecting transistor Q5 of triode Q4,
One end of the emitter connecting resistance R8 of triode Q4, when battery power detection circuit detects artificial intelligence battery of electric vehicle voltage
When amount is 80% or more state, the signal of phase III charging, battery power detection circuit output makes triode Q5, Q4 and three poles
Pipe Q6 is both turned on, the other end of the collector connecting resistance R8 of triode Q6, one end of the emitter connecting resistance R9 of triode Q6, electricity
Another termination OUT terminal of resistance R9 increases the resistance R9 in parallel with resistance R18 compared with second stage, and power supply power supply regulator circuit is defeated
The voltage entered, with resistance R10 parallel circuits, is exported after triode Q5 flows through resistance R8 and R18 series connection by OUT terminal output voltage
Into artificial intelligence electric vehicle charging interface, wherein the voltage for flowing through resistance R8 is defeated after resistance R18 and resistance R9 parallel circuits
Go out, that is to say and charge for artificial intelligent electric motor car battery.
3. artificial intelligence battery of electric vehicle electric power detection amendment according to claim 1 and stage charging circuit, feature
It is, the power supply power supply regulator circuit wraps the further voltage stabilizing of pulsating dc voltage of the alternating current of input after transformation, rectification
Metal-oxide-semiconductor MOS1 is included, the drain electrode of metal-oxide-semiconductor MOS1 is separately connected the cathode of diode D2, the left end of resistance R19, power supply power supply input
End, the source electrode of metal-oxide-semiconductor MOS1 are separately connected one end of resistance R12, the upper end of the other end connection potentiometer RP1 of resistance R12, electricity
The adjustable end of position device RP1 be separately connected the base stage of triode Q7, diode D1 cathode, the lower end connection ground connection of potentiometer RP1
One end of resistance R13, the collector of triode Q7 and the collector of triode Q8 are all connected with power supply+5V, the transmitting of triode Q7
Pole is separately connected the base stage of triode Q8, relay K1 coils one end, and the relay K1 coil other ends connect ground, triode Q8's
Emitter connects relay K2 coils one end, and relay K2 coil other ends connection ground, the common ends relay K1, relay K2 are public
End is all connected with ground altogether, and relay K1 normally opened contacts connect one end of resistance R14, and relay K2 normally opened contacts connect resistance R15's
One end, the other end of resistance R14 be separately connected the anode of diode D1, the other end of resistance R15, ground resistance R20 one end,
One end of resistance R19, the grid of metal-oxide-semiconductor MOS1, resistance R19 right end, the other end connection power supply+5V of resistance R19.
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| CN201810031066.5A CN108407626B (en) | 2018-01-12 | 2018-01-12 | Artificial intelligence electric vehicle battery power detection correction and stage charging circuit |
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| CN201810031066.5A CN108407626B (en) | 2018-01-12 | 2018-01-12 | Artificial intelligence electric vehicle battery power detection correction and stage charging circuit |
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| CN108407626B CN108407626B (en) | 2020-12-22 |
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