CN108494078A - A kind of battery charging circuit with capacity repair function - Google Patents
A kind of battery charging circuit with capacity repair function Download PDFInfo
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- CN108494078A CN108494078A CN201810121671.1A CN201810121671A CN108494078A CN 108494078 A CN108494078 A CN 108494078A CN 201810121671 A CN201810121671 A CN 201810121671A CN 108494078 A CN108494078 A CN 108494078A
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- 238000007600 charging Methods 0.000 title claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000005669 field effect Effects 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 2
- 210000001367 artery Anatomy 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 230000019635 sulfation Effects 0.000 abstract description 4
- 238000005670 sulfation reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H02J7/085—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4242—Regeneration of electrolyte or reactants
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
A kind of battery charging circuit with capacity repair function; including current rectifying and wave filtering circuit, PWM modulation exciting circuit, accumulator, output feedback protection circuit and pulse generating circuit; the current rectifying and wave filtering circuit is electrically connected with PWM modulation exciting circuit; the PWM modulation exciting circuit is electrically connected with accumulator; the accumulator is electrically connected with output feedback protection circuit; the output feedback protection circuit is electrically connected with pulse generating circuit, and the pulse generating circuit is electrically connected with PWM modulation exciting circuit.The present invention is charged using fast-pulse, i.e. in charging process, carry out it is of short duration stop filling, efficiently controlled the tolerance of internal storage battery, eliminated bubble, the high temperature of internal storage battery when reducing charging, the loss for reducing moisture plays the role of reparation to eliminate sulfation to the capacity of accumulator, the number for increasing the recyclable charging of accumulator, extends the service life of accumulator.
Description
Technical field
The invention belongs to accumulator charging technology field, specifically a kind of accumulator charging electricity with capacity repair function
Road.
Background technology
Accumulator is widely used in automobile, motorcycle, household inverter etc., but needs often to be charged just make
With.Traditional charging modes of accumulator have constant pressure, constant current and stage by stage charging etc. various ways, wherein the mould that charges stage by stage
Formula, i.e. constant current-constant pressure-floating charge.Although charging controls voltage, electric current stage by stage, to internal storage battery because charging is produced
The tolerance gone out lacks control measure, it is easy to cause pole plate sulfation occur, i.e., be generated in the negative terminal surface of accumulator a large amount of
Sulphate crystal, this layer of crystallization hinder the energy conversion cycle that active material on accumulator plate participates in accumulator, make
The internal resistance of accumulator increases, and capacity declines, and chargeable cycle-index is reduced, and ultimately causes the premature failure of accumulator.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of, and the accumulator charging with capacity repair function is electric
Road can eliminate the sulfation of accumulator, be repaired to the capacity of accumulator, avoid electric power storage while completing to charge
The premature failure in pond.
To achieve the goals above, the present invention provides a kind of battery charging circuit with capacity repair function, including whole
Flow filter circuit, PWM modulation exciting circuit, accumulator, output feedback protection circuit and pulse generating circuit, the rectifying and wave-filtering
Circuit is electrically connected with PWM modulation exciting circuit, and the PWM modulation exciting circuit is electrically connected with accumulator, the accumulator with it is defeated
Go out feedback protection circuit electrical connection, the output feedback protection circuit is electrically connected with pulse generating circuit, the pulse generation electricity
Road is electrically connected with PWM modulation exciting circuit；
The PWM modulation exciting circuit includes resistance R2, R5, R6, capacitance C3, C4, C5, C8, C11, C12, diode D3,
D4, D5, zener diode D6, field-effect tube BG1, inductance L1, transformer B2 and Integrated circuit IC 1；The pulse generating circuit
Including resistance R27, R28, R29, R30, R31, potentiometer RP1, capacitance C15, zener diode D8, triode BG2, BG3, BG4,
BG5, BG6, relay J1, J2, J3, J4 and its normally-closed contact J1-1, J2-1, J3-1, J4-1, the normally-closed contact of relay J5
J5-1 and Integrated circuit IC 2, IC3；The output feedback protection circuit includes triode BG7, relay J5 and integrated circuit
IC4；
Wherein, resistance R2 is connected between 4 feet of Integrated circuit IC 1 and 8 feet, resistance R5 be connected on Integrated circuit IC 16 feet and
Between the grid of field-effect tube BG1, resistance R6 is connected between 7 feet of Integrated circuit IC 1 and current rectifying and wave filtering circuit, and capacitance C3 is connected on
Between 4 feet and ground of Integrated circuit IC 1, capacitance C4 is connected between 8 feet of Integrated circuit IC 1 and ground, and capacitance C5 is connected on integrated electricity
Between 2 feet and 1 foot of road IC1, capacitance C8 is connected between the different name end and ground of the input coil N2 of transformer B2, capacitance C11 and
Capacitance C12 parallel connections are followed by between the anode and ground of diode D5；Cathode connecting transformer B2's is defeated after diode D3 and D4 parallel connection
Go out the upper end of coil N3, cathode connects one end of inductance L1, and the anode of another terminating diode D5 of inductance L1, diode D5's is negative
Pole connects the anode of accumulator, the cathode ground connection of accumulator, and the anode of zener diode D6 connects 5 feet of Integrated circuit IC 1, and cathode connects
The grid of field-effect tube BG1, the termination current rectifying and wave filtering circuit of the same name of transformer B2 input coils N1, different name terminate field-effect tube
The drain electrode of BG1, the Same Name of Ends ground connection of transformer B2 input coils N2, the lower end ground connection of transformer B2 output windings N3 integrate electricity
3 feet of road IC1 connect the source electrode of field-effect tube BG1, the 5 feet ground connection of Integrated circuit IC 1；
Resistance R27, R28, R29, R30, R31 series connection is followed by between 7 feet and 6 feet of Integrated circuit IC 3, potentiometer RP1
It is connected between the collector of triode BG2 and 7 feet of Integrated circuit IC 3, capacitance C14 is connected on 2 feet and ground of Integrated circuit IC 3
Between, capacitance C15 is connected between 1 foot of Integrated circuit IC 3 and 5 feet, the plus earth of zener diode D8, zener diode D8's
Cathode connects the base stage of triode BG2, and the emitter of triode BG2 connects the anode of diode D5, and relay J1 is connected on triode BG3
Collector and the collector of triode BG2 between, relay J2 is connected on the collection of the collector and triode BG2 of triode BG4
Between electrode, relay J3 is connected between the collector of triode BG5 and the collector of triode BG2, and relay J4 is connected on three
Between the collector and the collector of triode BG2 of pole pipe BG6, the normally-closed contact J1-1 of relay J1 is attempted by resistance R28 two
The normally-closed contact J2-1 of side, relay J2 is attempted by the both sides resistance R29, and the normally-closed contact J3-1 of relay J3 is attempted by resistance
The normally-closed contact J4-1 of the both sides R30, relay J4 is attempted by the both sides resistance R31, and the normally-closed contact J5-1 of relay J5 is connected on collection
At between 8 feet and the collector of triode BG2 of IC circuit 3,4 feet, 2 feet, 6 feet, 9 feet and 13 feet of Integrated circuit IC 2 connect three
The collector of pole pipe BG2,3 feet, 5 feet, 10 feet, 12 feet connect the emitter of triode BG2, and 4 feet connect the collector of triode BG2,
11 feet are grounded, and the 1 foot ground connection of Integrated circuit IC 3,3 feet connect 2 feet of Integrated circuit IC 1, and 6 feet meet capacitance C14；
Relay J5 is connected between the collector of triode BG7 and the collector of triode BG2, the base stage of triode BG7
1 foot of Integrated circuit IC 4, emitter ground connection are connect, 2 feet of Integrated circuit IC 4 connect reference voltage, and 3 feet connect the anode of diode D5.
Preferably, the model UC3842 of the Integrated circuit IC 1, the model LM324 of Integrated circuit IC 2 integrate electricity
The model NE555 of road IC3, the model LM358, the field-effect tube BG1 of Integrated circuit IC 4 insulate for N-channel depletion type
Gate field-effect transistor, model K1507；The voltage stabilizing value of the model BY028E of described diode D3, D4, D5, zener diode D6
Voltage stabilizing value for 15V, zener diode D8 is 12V, and described triode BG2, BG7 are PNP pipe type, model D880, triode
BG3, BG4, BG5, BG6 are NPN casts, model 5551.
Preferably, the current rectifying and wave filtering circuit includes varistor R1, capacitance C1, C2, and transformer B1, rectistack UR melt
Disconnected device FU；Wherein, varistor R1 and capacitance C1 and transformer B1 input sides both ends are connected in, fuse FU is connected on 220V power supplys
Between capacitance C1,1 foot and 2 feet of the output termination rectistack UR of transformer B1, the anode of capacitance C2 connect the 3 of rectistack UR
The cathode of foot, capacitance C2 connects 4 feet of rectistack UR, the 4 feet ground connection of rectistack UR, and 3 feet are connect respectively in PWM modulation exciting circuit
The Same Name of Ends of resistance R6 and transformer B2 input coils N1.
Further, the PWM modulation exciting circuit further includes resistance R3, R4, R7, R8, R9, R10, R11, R12, capacitance
C6, C7, C9, C10, diode D1, D2, zener diode D7 and thyristor V1；The model FR157 of described diode D1, D2,
The voltage stabilizing value of the zener diode D7 is 36V, the model KGPS408 of the thyristor V1；
Wherein, resistance R3 is connected between 2 feet of Integrated circuit IC 1 and 3 feet of Integrated circuit IC 3, and resistance R4 is connected in parallel on electricity
Hold the both ends of C5, resistance R7 is connected between 3 feet of rectistack UR and the cathode of diode D1, and resistance R8 is connected on Integrated circuit IC 1
3 feet and the source electrode of field-effect tube BG1 between, resistance R9 is connected between the source electrode and ground of field-effect tube BG1, resistance R10 and electricity
Hold C9 series connection to be followed by the both ends output winding N3 of transformer B2, resistance R11 is connected between the anode and ground of diode D5, resistance
R12 is connected between the gate pole and ground of thyristor V1, and capacitance C6 is connected between 3 feet of Integrated circuit IC 1 and 5 feet, and capacitance C7 is connected on
Between 3 feet and the cathode of diode D1 of rectistack UR, capacitance C10 is connected between the cathode and ground of diode D4, diode D1
Anode connect the drain electrode of field-effect tube BG1, the different name end of the input coil N2 of the cathode connecting transformer B2 of diode D2, cathode point
7 feet and capacitance C8 of Integrated circuit IC 1 are not connect, and the anode of zener diode D7 connects the gate pole of thyristor V1, and cathode connects diode
The anode of D5, the anode of thyristor V1 connect the anode of diode D5, minus earth.
Further, the pulse generating circuit further include resistance R13, R14, R15, R16, R17, R18, R19, R20, R21,
R22, R23, R24, R25, R26, capacitance C13, C14, diode D9, D10, D11, D12, D13, D14, D15, D16, two pole
The model IN4148 of pipe D9, D10, D11, D12, D13, D14, D15, D16；
Wherein, resistance R13 is connected between the cathode of diode D5 and the cathode of zener diode D8, and resistance R14 is connected on three
Between the collector of pole pipe BG2 and 2 feet of Integrated circuit IC 2, resistance R15 is connected between 2 feet of Integrated circuit IC 2 and 6 feet, electricity
Resistance R16 is connected between 6 feet of Integrated circuit IC 2 and 9 feet, and resistance R17 is connected between 9 feet of Integrated circuit IC 2 and 13 feet, resistance
R18 is connected between 13 feet of Integrated circuit IC 2 and ground, resistance R19 be connected on diode D9 cathode and triode BG3 base stage it
Between, resistance R20 is connected between the cathode of diode D10 and the base stage of triode BG4, and resistance R21 is connected on the cathode of diode D11
Between the base stage of triode BG5, resistance R22 is connected between the cathode of diode D12 and the base stage of triode BG6, resistance R23
It is connected between the emitter and ground of triode BG3, resistance R24 is connected between the emitter and ground of triode BG4, and resistance R25 connects
Between the emitter and ground of triode BG5, resistance R26 is connected between the emitter and ground of triode BG6, and capacitance C13 is in parallel
In the both sides zener diode D8, capacitance C14 is connected between 2 feet of Integrated circuit IC 3 and ground, and the anode of diode D9 connects integrated electricity
The anode of 1 foot of road IC2, diode D10 connects 7 feet of Integrated circuit IC 2, and the anode of diode D11 connects the 8 of Integrated circuit IC 2
The anode of foot, diode D12 connects 14 feet of Integrated circuit IC 2, and diode D13 is attempted by the both sides of relay J1, and diode
The anode of D13 connects the collector of triode BG3, and cathode connects the collector of triode BG2, and diode D14 is attempted by relay J2
Both sides, and the anode of diode D14 connects the collector of triode BG4, and cathode meets the collector of triode BG2, diode D15
The both sides of relay J3 are attempted by, and the anode of diode D15 connects the collector of triode BG5, cathode connects the collection of triode BG2
Electrode, diode D16 is attempted by the both sides of relay J4, and the anode of diode D16 connects the collector of triode BG6, cathode
The collector of triode BG2 is connect, 6 feet of Integrated circuit IC 3 meet capacitance C14.
Further, the output feedback protection circuit further includes resistance R32, R33, diode D17, D18, the diode
The model IN4148 of D17, D18；
Wherein, resistance R32 is connected between the base stage of triode BG7 and the cathode of diode D17, and resistance R33 is connected on three poles
Between the emitter and ground of pipe BG7, the anode of diode D17 connects 1 foot of Integrated circuit IC 4, and diode D18 is attempted by relay
The both sides J5, and the anode of diode D18 connects the collector of triode BG7, cathode connects the collector of triode BG2.
Compared with prior art, the present invention is charged using fast-pulse, i.e., in charging process, carry out it is of short duration stop filling,
The tolerance for having efficiently controlled internal storage battery, eliminates bubble, and the high temperature of internal storage battery, reduces water when reducing charging
The loss divided plays the role of reparation to eliminate sulfation to the capacity of accumulator, and it is recyclable to increase accumulator
The number of charging, in addition, the progress that the present invention charges with accumulator, can be stopped the time filled with adjust automatically, extend storage
The service life of battery.The configuration of the present invention is simple, it is easily fabricated, and manufacturing cost is low.
Description of the drawings
Fig. 1 is principle of the invention block diagram；
Fig. 2 is circuit diagram of the present invention.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of battery charging circuit with capacity repair function, including current rectifying and wave filtering circuit, PWM modulation
Exciting circuit, accumulator, output feedback protection circuit and pulse generating circuit, the current rectifying and wave filtering circuit are encouraged with PWM modulation
Circuit is electrically connected, and the PWM modulation exciting circuit is electrically connected with accumulator, and the accumulator is electrically connected with output feedback protection circuit
It connects, the output feedback protection circuit is electrically connected with pulse generating circuit, the pulse generating circuit and PWM modulation exciting circuit
Electrical connection；
As shown in Fig. 2, the current rectifying and wave filtering circuit includes varistor R1, and capacitance C1, C2, transformer B1, rectistack UR,
Fuse FU；The varistor R1 constitutes overvoltage crowbar, and input terminal and the shunt-wound capacitance C1 compositions of transformer B1 are conjugated
Anti-jamming circuit；The PWM modulation exciting circuit includes resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, electricity
Hold C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, diode D1, D2, D3, D4, D5, zener diode D6, D7, field
Effect pipe BG1, thyristor V1, inductance L1, transformer B2 and Integrated circuit IC 1；The pulse generating circuit include resistance R13,
R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, R28, R29, R30, R31, current potential
Device RP1, capacitance C13, C14, C15, zener diode D8, diode D9, D10, D11, D12, D13, D14, D15, D16, three poles
Pipe BG2, BG3, BG4, BG5, BG6, relay J1, J2, J3, J4 and its normally-closed contact J1-1, J2-1, J3-1, J4-1, relay
The normally-closed contact J5-1 and Integrated circuit IC 2, IC3 of J5；The output feedback protection circuit includes resistance R32, R33, diode
D17, D18, triode BG7, relay J5 and Integrated circuit IC 4.
The model UC3842 of the Integrated circuit IC 1, the model LM324 of Integrated circuit IC 2, Integrated circuit IC 3
Model NE555, the model LM358 of Integrated circuit IC 4.
The field-effect tube BG1 is N-channel metal-oxide-semiconductor transistor, model K1507；The model of thyristor V1
It is PNP pipe type for KGPS408, triode BG2, BG7, model D880, triode BG3, BG4, BG5, BG6 are NPN casts, type
Number be 5551.
The model FR157 of described diode D1, D2, the model BY028E of diode D3, D4, D5, diode D9,
The voltage stabilizing value of the model IN4148 of D10, D11, D12, D13, D14, D15, D16, D17, D18, zener diode D6 are 15V,
The voltage stabilizing value of zener diode D6D7 is 36V, and the voltage stabilizing value of zener diode D8 is 12V.
Wherein, varistor R1 and capacitance C1 and transformer B1 input sides both ends are connected in, fuse FU is connected on 220V electricity
Between source and capacitance C1,1 foot and 2 feet of the output termination rectistack UR of transformer B1, the anode of capacitance C2 connect the 3 of rectistack UR
The cathode of foot, capacitance C2 connects 4 feet of rectistack UR, the 4 feet ground connection of rectistack UR；
Resistance R2 is connected between 4 feet of Integrated circuit IC 1 and 8 feet, and resistance R3 is connected on 2 feet of Integrated circuit IC 1 and integrates
Between 3 feet of IC circuit 3, resistance R4 and capacitance C5 parallel connections are followed by between 2 feet and 1 foot of Integrated circuit IC 1, and resistance R5 is connected on
Between 6 feet and the grid of field-effect tube BG1 of Integrated circuit IC 1, resistance R6 is connected on 7 feet and rectistack UR of Integrated circuit IC 1
3 feet between, resistance R7 is connected between 3 feet of rectistack UR and the cathode of diode D1, and resistance R8 is connected on Integrated circuit IC 1
Between 3 feet and the source electrode of field-effect tube BG1, resistance R9 is connected between the source electrode and ground of field-effect tube BG1, resistance R10 and capacitance
C9 series connection is followed by the both ends output winding N3 of transformer B2, and resistance R11 is connected between the anode and ground of diode D5, resistance
R12 is connected between the gate pole and ground of thyristor V1, and capacitance C3 is connected between 4 feet of Integrated circuit IC 1 and ground, and capacitance C4 is connected on collection
At between 8 feet and ground of IC circuit 1, capacitance C6 is connected between 3 feet of Integrated circuit IC 1 and 5 feet, and capacitance C7 is connected on rectistack UR
3 feet and the cathode of diode D1 between, capacitance C8 is connected between the cathode and ground of diode D2, and capacitance C10 is connected on diode
Between the cathode and ground of D4, capacitance C11 and capacitance C12 parallel connections are followed by between the anode and ground of diode D5, diode D1's
Anode meets the drain electrode of field-effect tube BG1, the different name end of the input coil N2 of the cathode connecting transformer B2 of diode D2, diode D2
Cathode connect 7 feet of Integrated circuit IC 1, the upper end of the output winding N3 of cathode connecting transformer B2 after diode D3 and D4 parallel connection,
Cathode connects one end of inductance L1, the anode of another terminating diode D5 of inductance L1, and the cathode of diode D5 is connecing accumulator just
Pole, the cathode ground connection of accumulator, the anode of zener diode D6 connect 5 feet of Integrated circuit IC 1, and the cathode of zener diode D6 connects
The grid of field-effect tube BG1, the anode of zener diode D7 connect the gate pole of thyristor V1, and the cathode of zener diode D7 connects two poles
The anode of pipe D5, the anode of thyristor V1 connect the anode of diode D5, minus earth, the Same Name of Ends of transformer B2 input coils N1
3 feet of rectistack UR are connect, different name terminates the drain electrode of field-effect tube BG1, the Same Name of Ends ground connection of input coil N2, and different name terminates two poles
The anode of pipe D2, the lower end ground connection of output winding N3, the 5 feet ground connection of Integrated circuit IC 1.
Resistance R13 is connected between the cathode of diode D5 and the cathode of zener diode D8, and resistance R14 is connected on triode
Between the collector of BG2 and 2 feet of Integrated circuit IC 2, resistance R15 is connected between 2 feet of Integrated circuit IC 2 and 6 feet, resistance
R16 is connected between 6 feet of Integrated circuit IC 2 and 9 feet, and resistance R17 is connected between 9 feet of Integrated circuit IC 2 and 13 feet, resistance
R18 is connected between 13 feet of Integrated circuit IC 2 and ground, resistance R19 be connected on diode D9 cathode and triode BG3 base stage it
Between, resistance R20 is connected between the cathode of diode D10 and the base stage of triode BG4, and resistance R21 is connected on the cathode of diode D11
Between the base stage of triode BG5, resistance R22 is connected between the cathode of diode D12 and the base stage of triode BG6, resistance R23
It is connected between the emitter and ground of triode BG3, resistance R24 is connected between the emitter and ground of triode BG4, and resistance R25 connects
Between the emitter and ground of triode BG5, resistance R26 is connected between the emitter and ground of triode BG6, resistance R27, R28,
R29, R30, R31 series connection are followed by between 7 feet and 6 feet of Integrated circuit IC 3, and potentiometer RP1 is connected on the collector of triode BG2
Between 7 feet of Integrated circuit IC 3, capacitance C13 is connected in parallel on the both sides zener diode D8, and capacitance C14 is connected on Integrated circuit IC 3
Between 2 feet and ground, capacitance C15 is connected between 1 foot of Integrated circuit IC 3 and 5 feet, the plus earth of zener diode D8, voltage stabilizing
The cathode of diode D8 connects the base stage of triode BG2, and the anode of diode D9 connects 1 foot of Integrated circuit IC 2, diode D10's
Anode connects 7 feet of Integrated circuit IC 2, and the anode of diode D11 connects 8 feet of Integrated circuit IC 2, and the anode of diode D12 connects collection
At 14 feet of IC circuit 2, the anode of diode D13 connects the collector of triode BG3, and the cathode of diode D13 meets triode BG2
Collector, the anode of diode D14 connects the collector of triode BG4, and the cathode of diode D14 connects the current collection of triode BG2
Pole, the anode of diode D15 connect the collector of triode BG5, and the cathode of diode D15 connects the collector of triode BG2, two poles
The anode of pipe D16 connects the collector of triode BG6, and the cathode of diode D16 connects the collector of triode BG2, triode BG2's
Emitter connects the anode of diode D5, and relay J1 is attempted by the both sides diode D13, and relay J2 is attempted by diode D14 two
Side, relay J3 are attempted by the both sides diode D15, and relay J4 is attempted by the both sides diode D16, the normally-closed contact of relay J1
J1-1 is attempted by the both sides resistance R28, and the normally-closed contact J2-1 of relay J2 is attempted by the both sides resistance R29, and relay J3's is normally closed
Contact J3-1 is attempted by the both sides resistance R30, and the normally-closed contact J4-1 of relay J4 is attempted by the both sides resistance R31, relay J5's
Normally-closed contact J5-1 is connected between 8 feet of Integrated circuit IC 3 and the collector of triode BG2,3 feet of Integrated circuit IC 2,5 feet,
10 feet, 12 feet connect the emitter of triode BG2, and 4 feet of Integrated circuit IC 2 connect the collector of triode BG2, Integrated circuit IC 2
11 feet ground connection, the 1 foot ground connection of Integrated circuit IC 3,2 feet and 6 feet of Integrated circuit IC 3 meet capacitance C14, the 3 of Integrated circuit IC 3
Foot connecting resistance R3,4 feet of Integrated circuit IC 3 connect the collector of triode BG2；
Resistance R32 is connected between the base stage of triode BG7 and the cathode of diode D17, and resistance R33 is connected on triode BG7
Emitter and ground between, the anode of diode D17 connects 1 foot of Integrated circuit IC 4, and the anode of diode D18 meets triode BG7
Collector, the cathode of diode D18 connects the collector of triode BG2, and relay J5 is attempted by the both sides diode D18, integrates
2 feet of IC circuit 4 connect reference voltage, and 3 feet of Integrated circuit IC 4 connect the anode of diode D5.
Input alternating current obtains 300V or so high direct voltages after bridge rectifier and filtering, and the voltage is all the way through resistance R6 current limlitings
Capacitance C8 chargings are flowed to, when charging voltage is more than 16V, Integrated circuit IC 1 is started to work, and 6 feet output positive triggering pulse makes
Field-effect tube BG1 is connected, and the input coil N1 in transformer B2 converts electrical energy into magnetic energy, and 6 feet of Integrated circuit IC 1 are defeated later
Going out negative pulse makes field-effect tube BG1 turn off, and input coil N1 discharges electric energy by output winding N3, using being given after rectifying and wave-filtering
Accumulator charges.Meanwhile the input coil N2 in transformer B2 generates feedback voltage, to integrated circuit after rectified filtering
7 feet of IC1 are powered.
Pulse generating circuit is core with Integrated circuit IC 3, and 3 feet of Integrated circuit IC 3 are connected to integrated circuit through resistance R3
2 feet of IC1 stop filling the time as 0.7R when pulse generating circuit output stops charging signals27C14, which directly controls integrated
Pulsewidth inside IC circuit 1, quickly reduces output voltage, due to the presence of anti-reverse diode D5 in circuit, battery tension
It counter cannot fill, that is, a certain moment accumulator, which is in, stops the state of filling.
When just starting to charge a battery, battery tension is not very high, with the continuous progress of charging, accumulator
Voltage constantly increases, and when sampled voltage reaches a certain threshold value, the voltage comparator A1 overturnings in Integrated circuit IC 2 integrate electricity
1 foot of road IC2 exports high level, triode BG3 conductings, and relay J1 is attracted, and normally-closed contact J1-1 is disconnected, and pulse signal stops
The time is filled by 0.7R27C14Increase to 0.7 (R27+R28)C14If the output voltage of Integrated circuit IC 2 further increases, when up to
When to second threshold value, the voltage comparator A2 in Integrated circuit IC 2 is also overturn, and 7 feet of Integrated circuit IC 2 also export high electricity
Flat, triode BG4 conductings, relay J2 is attracted, and normally-closed contact J2-1 is disconnected, and pulse signal, which stops filling the time, increases to 0.7 (R27
+R28+R29)C14, similarly, when the output voltage of Integrated circuit IC 2 is further added by, voltage comparator A3 and A4 in Integrated circuit IC 2
It will overturn, 8 feet, 14 feet of Integrated circuit IC 2 export high level, and triode BG5, BG6 are both turned on, and relay J3, J4 inhale
It closing, normally-closed contact J3-1, J4-1 is disconnected, and pulse signal stops filling the time and further increases, and it is longer that pulse signal stops filling the time,
It is stronger to eliminate storage battery vulcanization ability.
When the output voltage of accumulator rises to a certain extent, Integrated circuit IC 4 exports high level, and triode BG7 is led
Logical, relay J5 is attracted, and normally-closed contact J5-1 is disconnected, and pulse generating circuit does not work, and positive pulse terminates, and charger is in tiny stream
Stream mode, it is ensured that accumulator is really saturated, and extends the service life of accumulator.
Claims (6)
1. a kind of battery charging circuit with capacity repair function, which is characterized in that including current rectifying and wave filtering circuit, PWM modulation
Exciting circuit, accumulator, output feedback protection circuit and pulse generating circuit, the current rectifying and wave filtering circuit are encouraged with PWM modulation
Circuit is electrically connected, and the PWM modulation exciting circuit is electrically connected with accumulator, and the accumulator is electrically connected with output feedback protection circuit
It connects, the output feedback protection circuit is electrically connected with pulse generating circuit, the pulse generating circuit and PWM modulation exciting circuit
Electrical connection；
The PWM modulation exciting circuit includes resistance R2, R5, R6, capacitance C3, C4, C5, C8, C11, C12, diode D3, D4,
D5, zener diode D6, field-effect tube BG1, inductance L1, transformer B2 and Integrated circuit IC 1；The pulse generating circuit includes
Resistance R27, R28, R29, R30, R31, potentiometer RP1, capacitance C14, C15, zener diode D8, triode BG2, BG3, BG4,
BG5, BG6, relay J1, J2, J3, J4 and its normally-closed contact J1-1, J2-1, J3-1, J4-1, the normally-closed contact of relay J5
J5-1 and Integrated circuit IC 2, IC3；The output feedback protection circuit includes triode BG7, relay J5 and integrated circuit
IC4；
Wherein, resistance R2 is connected between 4 feet of Integrated circuit IC 1 and 8 feet, and resistance R5 is connected on 6 feet and field effect of Integrated circuit IC 1
Should be between the grid of pipe BG1, resistance R6 is connected between 7 feet of Integrated circuit IC 1 and current rectifying and wave filtering circuit, and capacitance C3 is connected on integrated
Between 4 feet and ground of IC circuit 1, capacitance C4 is connected between 8 feet of Integrated circuit IC 1 and ground, and capacitance C5 is connected on Integrated circuit IC 1
2 feet and 1 foot between, capacitance C8 is connected between the different name end and ground of the input coil N2 of transformer B2, capacitance C11 and capacitance
C12 parallel connections are followed by between the anode and ground of diode D5；The output line of cathode connecting transformer B2 after diode D3 and D4 parallel connection
The upper end of N3 is enclosed, cathode connects one end of inductance L1, the anode of another terminating diode D5 of inductance L1, and the cathode of diode D5 connects
The anode of the anode of accumulator, the cathode ground connection of accumulator, zener diode D6 connects 5 feet of Integrated circuit IC 1, and cathode connects field effect
Should pipe BG1 grid, the termination current rectifying and wave filtering circuit of the same name of transformer B2 input coils N1, different name terminates field-effect tube BG1's
Drain electrode, the Same Name of Ends ground connection of transformer B2 input coils N2, the lower end ground connection of transformer B2 output windings N3, Integrated circuit IC 1
3 feet connect the source electrode of field-effect tube BG1, the 5 feet ground connection of Integrated circuit IC 1；
Resistance R27, R28, R29, R30, R31 series connection is followed by between 7 feet and 6 feet of Integrated circuit IC 3, and potentiometer RP1 is connected on
Between the collector of triode BG2 and 7 feet of Integrated circuit IC 3, capacitance C14 is connected between 2 feet of Integrated circuit IC 3 and ground,
Capacitance C15 is connected between 1 foot of Integrated circuit IC 3 and 5 feet, the plus earth of zener diode D8, and zener diode D8's is negative
Pole connects the base stage of triode BG2, and the emitter of triode BG2 connects the anode of diode D5, and relay J1 is connected on triode BG3's
Between collector and the collector of triode BG2, relay J2 is connected on the current collection of the collector and triode BG2 of triode BG4
Between pole, relay J3 is connected between the collector of triode BG5 and the collector of triode BG2, and relay J4 is connected on three poles
Between the collector and the collector of triode BG2 of pipe BG6, the normally-closed contact J1-1 of relay J1 is attempted by the both sides resistance R28,
The normally-closed contact J2-1 of relay J2 is attempted by the both sides resistance R29, and the normally-closed contact J3-1 of relay J3 is attempted by resistance R30 two
The normally-closed contact J4-1 of side, relay J4 is attempted by the both sides resistance R31, and the normally-closed contact J5-1 of relay J5 is connected on integrated circuit
Between 8 feet and the collector of triode BG2 of IC3,4 feet, 2 feet, 6 feet, 9 feet and 13 feet of Integrated circuit IC 2 meet triode BG2
Collector, 3 feet, 5 feet, 10 feet, 12 feet connect the emitter of triode BG2,11 feet ground connection, the 1 foot ground connection of Integrated circuit IC 3,3
Foot connects 2 feet of Integrated circuit IC 1, and 6 feet meet capacitance C14；
Relay J5 is connected between the collector of triode BG7 and the collector of triode BG2, and the base stage of triode BG7 connects collection
At 1 foot of IC circuit 4, emitter ground connection, 2 feet of Integrated circuit IC 4 connect reference voltage, and 3 feet connect the anode of diode D5.
2. a kind of battery charging circuit with capacity repair function according to claim 1, which is characterized in that the collection
At the model UC3842 of IC circuit 1, the model LM324 of Integrated circuit IC 2, the model NE555 of Integrated circuit IC 3, collection
It is N-channel metal-oxide-semiconductor transistor, model at the model LM358, the field-effect tube BG1 of IC circuit 4
K1507；The voltage stabilizing value of the model BY028E of described diode D3, D4, D5, zener diode D6 are 15V, zener diode D8
Voltage stabilizing value be 12V, described triode BG2, BG7 be PNP pipe type, model D880, triode BG3, BG4, BG5, BG6 are
NPN casts, model 5551.
3. a kind of battery charging circuit with capacity repair function according to claim 1 or 2, which is characterized in that institute
It includes varistor R1, capacitance C1, C2, transformer B1, rectistack UR, fuse FU to state current rectifying and wave filtering circuit；Wherein, pressure-sensitive electricity
Resistance R1 and capacitance C1 is simultaneously connected in transformer B1 input sides both ends, and fuse FU is connected between 220V power supplys and capacitance C1, transformation
1 foot and 2 feet of the output termination rectistack UR of device B1, the anode of capacitance C2 connect 3 feet of rectistack UR, and the cathode of capacitance C2 connects whole
Flow 4 feet of heap UR, the 4 feet ground connection of rectistack UR, 3 feet meet resistance R6 in PWM modulation exciting circuit respectively and transformer B2 is defeated
Enter the Same Name of Ends of coil N1.
4. a kind of battery charging circuit with capacity repair function according to claim 3, which is characterized in that described
PWM modulation exciting circuit further includes resistance R3, R4, R7, R8, R9, R10, R11, R12, capacitance C6, C7, C9, C10, diode
D1, D2, zener diode D7 and thyristor V1；The model FR157 of described diode D1, D2, the zener diode D7's
Voltage stabilizing value is 36V, the model KGPS408 of the thyristor V1；
Wherein, resistance R3 is connected between 2 feet of Integrated circuit IC 1 and 3 feet of Integrated circuit IC 3, and resistance R4 is connected in parallel on capacitance C5
Both ends, resistance R7 is connected between 3 feet of rectistack UR and the cathode of diode D1, and resistance R8 is connected on 3 feet of Integrated circuit IC 1
Between the source electrode of field-effect tube BG1, resistance R9 is connected between the source electrode and ground of field-effect tube BG1, resistance R10 and capacitance C9 strings
Connection is followed by the both ends output winding N3 of transformer B2, and resistance R11 is connected between the anode and ground of diode D5, and resistance R12 connects
Between the gate pole and ground of thyristor V1, capacitance C6 is connected between 3 feet of Integrated circuit IC 1 and 5 feet, and capacitance C7 is connected on rectistack
Between 3 feet and the cathode of diode D1 of UR, capacitance C10 is connected between the cathode and ground of diode D4, the anode of diode D1
The drain electrode of field-effect tube BG1, the different name end of the input coil N2 of the cathode connecting transformer B2 of diode D2 are connect, cathode connects collection respectively
At 7 feet and capacitance C8 of IC circuit 1, the anode of zener diode D7 connects the gate pole of thyristor V1, and cathode is meeting diode D5 just
Pole, the anode of thyristor V1 connect the anode of diode D5, minus earth.
5. a kind of battery charging circuit with capacity repair function according to claim 4, which is characterized in that the arteries and veins
It further includes resistance R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26 that circuit, which occurs, for punching,
Capacitance C13, C14, diode D9, D10, D11, D12, D13, D14, D15, D16, the diode D9, D10, D11, D12,
The model IN4148 of D13, D14, D15, D16；
Wherein, resistance R13 is connected between the cathode of diode D5 and the cathode of zener diode D8, and resistance R14 is connected on triode
Between the collector of BG2 and 2 feet of Integrated circuit IC 2, resistance R15 is connected between 2 feet of Integrated circuit IC 2 and 6 feet, resistance
R16 is connected between 6 feet of Integrated circuit IC 2 and 9 feet, and resistance R17 is connected between 9 feet of Integrated circuit IC 2 and 13 feet, resistance
R18 is connected between 13 feet of Integrated circuit IC 2 and ground, resistance R19 be connected on diode D9 cathode and triode BG3 base stage it
Between, resistance R20 is connected between the cathode of diode D10 and the base stage of triode BG4, and resistance R21 is connected on the cathode of diode D11
Between the base stage of triode BG5, resistance R22 is connected between the cathode of diode D12 and the base stage of triode BG6, resistance R23
It is connected between the emitter and ground of triode BG3, resistance R24 is connected between the emitter and ground of triode BG4, and resistance R25 connects
Between the emitter and ground of triode BG5, resistance R26 is connected between the emitter and ground of triode BG6, and capacitance C13 is in parallel
In the both sides zener diode D8, capacitance C14 is connected between 2 feet of Integrated circuit IC 3 and ground, and the anode of diode D9 connects integrated electricity
The anode of 1 foot of road IC2, diode D10 connects 7 feet of Integrated circuit IC 2, and the anode of diode D11 connects the 8 of Integrated circuit IC 2
The anode of foot, diode D12 connects 14 feet of Integrated circuit IC 2, and diode D13 is attempted by the both sides of relay J1, and diode
The anode of D13 connects the collector of triode BG3, and cathode connects the collector of triode BG2, and diode D14 is attempted by relay J2
Both sides, and the anode of diode D14 connects the collector of triode BG4, and cathode meets the collector of triode BG2, diode D15
The both sides of relay J3 are attempted by, and the anode of diode D15 connects the collector of triode BG5, cathode connects the collection of triode BG2
Electrode, diode D16 is attempted by the both sides of relay J4, and the anode of diode D16 connects the collector of triode BG6, cathode
The collector of triode BG2 is connect, 6 feet of Integrated circuit IC 3 meet capacitance C14.
6. according to a kind of battery charging circuit with capacity repair function of claim 1-5 any one of them, feature exists
In the output feedback protection circuit further includes resistance R32, R33, diode D17, D18, the type of described diode D17, D18
Number be IN4148；
Wherein, resistance R32 is connected between the base stage of triode BG7 and the cathode of diode D17, and resistance R33 is connected on triode BG7
Emitter and ground between, the anode of diode D17 connects 1 foot of Integrated circuit IC 4, and diode D18 is attempted by relay J5 two
Side, and the anode of diode D18 connects the collector of triode BG7, cathode connects the collector of triode BG2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121671.1A CN108494078B (en) | 2018-02-07 | 2018-02-07 | Storage battery charging circuit with capacity restoration function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810121671.1A CN108494078B (en) | 2018-02-07 | 2018-02-07 | Storage battery charging circuit with capacity restoration function |
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| CN108494078B CN108494078B (en) | 2020-07-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072190A (en) * | 2019-06-10 | 2020-12-11 | 聚鼎科技股份有限公司 | Secondary battery and protective element thereof |
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| CN108494078B (en) | 2020-07-28 |
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