CN207490579U - Constant pressure type lead acid batteries charger - Google Patents
Constant pressure type lead acid batteries charger Download PDFInfo
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- CN207490579U CN207490579U CN201721614893.4U CN201721614893U CN207490579U CN 207490579 U CN207490579 U CN 207490579U CN 201721614893 U CN201721614893 U CN 201721614893U CN 207490579 U CN207490579 U CN 207490579U
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Abstract
The utility model discloses a kind of constant pressure type lead acid batteries charger, including accumulator, rectification circuit, comparison circuit and charging circuit；Rectified current routing capacitance C1, C2, transformer B, rectistack UR and fuse FU are formed；Comparison circuit is made of resistance R1, R2, R3, R4, R5, capacitance C3, zener diode D1, Light-emitting diode LED 1, LED2, button S1, S2 and Integrated circuit IC 1；Charging circuit is made of resistance R6, R7, R8, R9, R10, R11, R12, R13, capacitance C4, C5, diode D2, D3, triode BG1, band switch S3 and Integrated circuit IC 2.The utility model efficiently avoids accumulator and is not fully filled or overcharge electrical phenomena, extends the service life of accumulator.
Description
Technical field
Specifically a kind of constant pressure type lead acid batteries charger of the utility model, belongs to battery charger technical field.
Background technology
The advantages that accumulator is with its excellent electrical property, easy care becomes motor vehicle and the important startup of electric bicycle
Power supply, and it is widely used in many fields such as postal, medical treatment, military and emergency power supply.The most common charging modes of accumulator
For floating charge (also known as constant-voltage charge).It during floating charge, needs strictly to grasp charging voltage, such as the accumulator that rated voltage is 12V, fill
Piezoelectric voltage should be between 13.5~13.8V.Float charge voltage is too low, and accumulator is not fully filled, and float charge voltage is excessively high, and it will cause excessively electric
The service life of accumulator is shortened in pressure charging.
Invention content
For above-mentioned background technology there are the problem of, the utility model provides a kind of constant pressure type lead acid batteries charger,
Accumulator can be prevented to be not fully filled or overcharge electricity, extend the service life of accumulator.
To achieve these goals, the utility model includes accumulator, rectification circuit, comparison circuit and charging circuit；
Described rectified current routing capacitance C1, C2, transformer B, rectistack UR and fuse FU compositions；Wherein capacitance C1 and electricity
Hold C2 parallel connections to be followed by between 3 feet and 4 feet of rectistack UR, the input terminal of the transformer B connects fuse FU and rectification respectively
1 foot of heap UR, 2 feet of the output termination rectistack UR of the transformer B, the fuse FU connect 220V AC powers；
The comparison circuit is by resistance R1, R2, R3, R4, R5, capacitance C3, zener diode D1, Light-emitting diode LED 1,
LED2, button S1, S2 and Integrated circuit IC 1 form；Wherein resistance R1 is connected on 3 feet of rectistack UR and zener diode D1
Between cathode, the plus earth of zener diode D1, resistance R2 and button S1 series connection are followed by 3 feet of rectistack UR and integrated
Between 2 feet of IC circuit 1, resistance R3 is connected between 7 feet of Integrated circuit IC 1 and the cathode of Light-emitting diode LED 1, resistance R4
It is connected between 13 feet of Integrated circuit IC 1 and 14 feet, resistance R5 is connected between 13 feet and ground of integrated road IC1, and capacitance C3 is connected on
Between 12 feet and 13 feet of Integrated circuit IC 1, the anode of the cathode sending and receiving optical diode LED2 of Light-emitting diode LED 1, luminous two
The anode of pole pipe LED1 is connected together with the cathode of Light-emitting diode LED 2 and is followed by 8 feet of Integrated circuit IC 1, and button S2 is attempted by
The both ends of zener diode D1,5 feet of Integrated circuit IC 1 connect zener diode D1 cathode, 1 foot of Integrated circuit IC 1,6 feet and
10 feet are connected together, and 2 feet and 14 feet of Integrated circuit IC 1 are connected together, and 3 feet, 5 feet and 9 feet of Integrated circuit IC 1 are connected on one
It rises, 3 foot connecting resistance R1 of Integrated circuit IC 1,4 feet of Integrated circuit IC 1 connect 3 feet of rectistack UR, 11 feet of Integrated circuit IC 1
Ground connection, 12 feet of Integrated circuit IC 1 connect the cathode of accumulator；
The charging circuit is by resistance R6, R7, R8, R9, R10, R11, R12, R13, capacitance C4, C5, diode D2, D3,
Triode BG1, band switch S3 and Integrated circuit IC 2 form；Wherein resistance R6 is connected on 10 feet and two poles of Integrated circuit IC 1
Between the anode of pipe D2, the cathode of diode D2 connects the base stage of triode BG1, resistance R7 be connected on triode BG1 emitter and
Between 2 ends of toggle switch S3, resistance R8 is connected between the emitter of triode BG1 and 3 ends of toggle switch S3, resistance R9
It is connected between 2 feet of Integrated circuit IC 2 and 3 feet, resistance R10 and resistance R11 series connection are followed by 2 feet and storage in Integrated circuit IC 2
Between the cathode of battery, resistance R12 is connected between the base stage of triode BG1 and the cathode of accumulator, and resistance R13 is connected on accumulator
Anode and cathode between, the anode of capacitance C4 connects 3 feet of Integrated circuit IC 2, and the anode of cathode connecting resistance R8, capacitance C5 connect collection
Into 2 feet of IC circuit 2, the anode of cathode connecting resistance R8, diode D3 connect 3 feet of Integrated circuit IC 2, and cathode is connecing accumulator just
Pole, the collector of triode BG1 connect 2 feet of Integrated circuit IC 2, the emitter ground connection of triode BG1,1 end of toggle switch S3
The cathode of accumulator is connect, 1 foot of Integrated circuit IC 2 connects 3 feet of rectistack UR.
Preferably, Integrated circuit IC 1 is LM324.
Preferably, Integrated circuit IC 2 is LM338K.
Preferably, triode BG1 be NPN casts, model 2N2222.
Compared with prior art, the utility model is charged using constant pressure type, by the electricity for detecting accumulator in charging process
Whether amount is gradually sufficient, to reduce charging current, so as to control whether accumulator continues to charge, efficiently avoids accumulator and fills
It is discontented with or overcharges electrical phenomena, extends the service life of accumulator.
Description of the drawings
Fig. 1 is the utility model circuit diagram.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of constant pressure type lead acid batteries charger of the utility model, by accumulator, rectification circuit, compares
Circuit and charging circuit composition；
Described rectified current routing capacitance C1, C2, transformer B, rectistack UR and fuse FU compositions；Wherein capacitance C1 and electricity
Hold C2 parallel connections to be followed by between 3 feet and 4 feet of rectistack UR, the input terminal of the transformer B connects fuse FU and rectification respectively
1 foot of heap UR, 2 feet of the output termination rectistack UR of the transformer B, the fuse FU connect 220V AC powers；
The comparison circuit is by resistance R1, R2, R3, R4, R5, capacitance C3, zener diode D1, Light-emitting diode LED 1,
LED2, button S1, S2 and Integrated circuit IC 1 form；Wherein resistance R1 is connected on 3 feet of rectistack UR and zener diode D1
Between cathode, the plus earth of zener diode D1, resistance R2 and button S1 series connection are followed by 3 feet of rectistack UR and integrated
Between 2 feet of IC circuit 1, resistance R3 is connected between 7 feet of Integrated circuit IC 1 and the cathode of Light-emitting diode LED 1, resistance R4
It is connected between 13 feet of Integrated circuit IC 1 and 14 feet, resistance R5 is connected between 13 feet and ground of integrated road IC1, and capacitance C3 is connected on
Between 12 feet and 13 feet of Integrated circuit IC 1, the anode of the cathode sending and receiving optical diode LED2 of Light-emitting diode LED 1, luminous two
The anode of pole pipe LED1 is connected together with the cathode of Light-emitting diode LED 2 and is followed by 8 feet of Integrated circuit IC 1, and button S2 is attempted by
The both ends of zener diode D1,5 feet of Integrated circuit IC 1 connect zener diode D1 cathode, 1 foot of Integrated circuit IC 1,6 feet and
10 feet are connected together, and 2 feet and 14 feet of Integrated circuit IC 1 are connected together, and 3 feet, 5 feet and 9 feet of Integrated circuit IC 1 are connected on one
It rises, 3 foot connecting resistance R1 of Integrated circuit IC 1,4 feet of Integrated circuit IC 1 connect 3 feet of rectistack UR, 11 feet of Integrated circuit IC 1
Ground connection, 12 feet of Integrated circuit IC 1 connect the cathode of accumulator；
The charging circuit is by resistance R6, R7, R8, R9, R10, R11, R12, R13, capacitance C4, C5, diode D2, D3,
Triode BG1, band switch S3 and Integrated circuit IC 2 form；Wherein resistance R6 is connected on 10 feet and two poles of Integrated circuit IC 1
Between the anode of pipe D2, the cathode of diode D2 connects the base stage of triode BG1, resistance R7 be connected on triode BG1 emitter and
Between 2 ends of toggle switch S3, resistance R8 is connected between the emitter of triode BG1 and 3 ends of toggle switch S3, resistance R9
It is connected between 2 feet of Integrated circuit IC 2 and 3 feet, resistance R10 and resistance R11 series connection are followed by 2 feet and storage in Integrated circuit IC 2
Between the cathode of battery, resistance R12 is connected between the base stage of triode BG1 and the cathode of accumulator, and resistance R13 is connected on accumulator
Anode and cathode between, the anode of capacitance C4 connects 3 feet of Integrated circuit IC 2, and the anode of cathode connecting resistance R8, capacitance C5 connect collection
Into 2 feet of IC circuit 2, the anode of cathode connecting resistance R8, diode D3 connect 3 feet of Integrated circuit IC 2, and cathode is connecing accumulator just
Pole, the collector of triode BG1 connect 2 feet of Integrated circuit IC 2, the emitter ground connection of triode BG1,1 end of toggle switch S3
The cathode of accumulator is connect, 1 foot of Integrated circuit IC 2 connects 3 feet of rectistack UR.
During work, when circuit just connects electricity, 2 foot voltages of Integrated circuit IC 1 are less than 3 foot voltages of Integrated circuit IC 1,
According to comparison circuit rule, (when "+" input terminal voltage is less than "-" input terminal, voltage comparator output is low level, and "+" is defeated
When entering terminal voltage higher than "-" input terminal, voltage comparator output is high level), the 1 foot output high level of Integrated circuit IC 1 leads to
Cross resistance R4 and diode D2 so that triode BG1 is connected, and is equivalent to the 2 feet ground connection of Integrated circuit IC 2, Integrated circuit IC 2
It exports as 1.2V, subtracts the pressure drop 0.6V of diode D3, charging terminal voltage is 0.6V, and resistance R13 is as light load.In this way may be used
So that electric spark is not had when connecing battery and will not fall to charge (diode D3's is reverse-biased).
When pressing start button S1 so that the 2 feet ground connection of Integrated circuit IC 1,3 feet of Integrated circuit IC 1 pass through resistance R2
Positive pole, therefore the 1 foot output low level of Integrated circuit IC 1 are connect, due to 1 foot and 6 feet and 10 foot phases of Integrated circuit IC 1
Even so that 5 foot voltages of Integrated circuit IC 1 are more than 6 foot voltages of Integrated circuit IC 1, and 9 foot voltages of Integrated circuit IC 1 are more than
10 foot voltages of Integrated circuit IC 1, therefore the 7 feet output high level of Integrated circuit IC 1, the 8 feet output of Integrated circuit IC 1 are low
Level so that Light-emitting diode LED 2 is lighted, and Light-emitting diode LED 1 is extinguished, and the red instruction of Light-emitting diode LED 2 represents
Battery is in charged state, and since 1 foot of Integrated circuit IC 1 exports low level, triode BG1 is without driving voltage, triode BG1
Cut-off, Integrated circuit IC 2 export high level, start to charge a battery.Since 14 feet for just starting Integrated circuit IC 1 export electricity
Pressure is higher than 3 foot voltages of Integrated circuit IC 1, the 1 foot holding output low level of Integrated circuit IC 1, triode BG1 cut-offs, circuit
Keep charged state.After battery is gradually filled with, start to reduce by the electric current of resistance R7 (or R8), the 14 of Integrated circuit IC 1
Foot output voltage is less than 3 foot voltages of Integrated circuit IC 1, the 1 foot output high level of Integrated circuit IC 1, and triode BG1 is connected,
2 feet of Integrated circuit IC 2 are equivalent to ground connection, its output voltage is caused to be reduced to 1.2V or so, at this time 1 point of Light-emitting diode LED
Bright, green instruction represents that charging terminates.
The charging current of this circuit is made of resistance R6, R7 (or R8) and triode BG1, as resistance R7 (or R8)
During for 0.6V, 2 feet of triode BG1 conducting Integrated circuit IC 2 can be caused to be equivalent to ground connection, lead to the reduction of its output voltage, because
The size of this charging current is determined that wherein the resistance value of resistance R7 is more than the resistance value of resistance R8 by resistance R7 (or R8) completely.Resistance
R7 is normal charge rate, and resistance R8 is fast charge rate.
Claims (4)
1. a kind of constant pressure type lead acid batteries charger, special including accumulator, rectification circuit, comparison circuit and charging circuit
Sign is,
Described rectified current routing capacitance C1, C2, transformer B, rectistack UR and fuse FU compositions；Wherein capacitance C1 and capacitance C2
Parallel connection is followed by between 3 feet and 4 feet of rectistack UR, and the input terminal of the transformer B meets fuse FU and rectistack UR respectively
1 foot, 2 feet of the output termination rectistack UR of the transformer B, the fuse FU connects 220V AC powers；
The comparison circuit is by resistance R1, R2, R3, R4, R5, capacitance C3, zener diode D1, Light-emitting diode LED 1, LED2,
Button S1, S2 and Integrated circuit IC 1 form；Wherein resistance R1 be connected on rectistack UR 3 feet and zener diode D1 cathode it
Between, the plus earth of zener diode D1, resistance R2 and button S1 series connection are followed by 3 feet of rectistack UR and Integrated circuit IC 1
2 feet between, resistance R3 is connected between 7 feet of Integrated circuit IC 1 and the cathode of Light-emitting diode LED 1, and resistance R4 is connected on integrated
Between 13 feet and 14 feet of IC circuit 1, resistance R5 is connected between 13 feet and ground of integrated road IC1, and capacitance C3 is connected on integrated circuit
Between 12 feet and 13 feet of IC1, the anode of the cathode sending and receiving optical diode LED2 of Light-emitting diode LED 1, Light-emitting diode LED 1
The cathode of anode and Light-emitting diode LED 2 be connected together and be followed by 8 feet of Integrated circuit IC 1, button S2 is attempted by two pole of voltage stabilizing
The both ends of pipe D1,5 feet of Integrated circuit IC 1 connect zener diode D1 cathode, and 1 foot, 6 feet and 10 feet of Integrated circuit IC 1 are connected on
Together, 2 feet of Integrated circuit IC 1 and 14 feet are connected together, and 3 feet, 5 feet and 9 feet of Integrated circuit IC 1 are connected together, and integrate electricity
The 3 foot connecting resistance R1 of road IC1,4 feet of Integrated circuit IC 1 connect 3 feet of rectistack UR, and the 11 feet ground connection of Integrated circuit IC 1 integrates
12 feet of IC circuit 1 connect the cathode of accumulator；
The charging circuit is by resistance R6, R7, R8, R9, R10, R11, R12, R13, capacitance C4, C5, diode D2, D3, three poles
Pipe BG1, band switch S3 and Integrated circuit IC 2 form；Wherein resistance R6 is connected on 10 feet of Integrated circuit IC 1 and diode D2
Between anode, the cathode of diode D2 connects the base stage of triode BG1, and resistance R7 is connected on the emitter of triode BG1 and dials section and opens
Between 2 ends for closing S3, resistance R8 is connected between the emitter of triode BG1 and 3 ends of toggle switch S3, and resistance R9 is connected on integrated
Between 2 feet and 3 feet of IC circuit 2, resistance R10 and resistance R11 series connection are followed by 2 feet of Integrated circuit IC 2 and bearing for accumulator
Between pole, resistance R12 is connected between the base stage of triode BG1 and the cathode of accumulator, resistance R13 be connected on accumulator anode and
Between cathode, the anode of capacitance C4 connects 3 feet of Integrated circuit IC 2, cathode connecting resistance R8, and the anode of capacitance C5 connects integrated circuit
2 feet of IC2, the anode of cathode connecting resistance R8, diode D3 connect 3 feet of Integrated circuit IC 2, and cathode connects the anode of accumulator, and three
The collector of pole pipe BG1 connects 2 feet of Integrated circuit IC 2, the emitter ground connection of triode BG1, the 1 termination electric power storage of toggle switch S3
The cathode in pond, 1 foot of Integrated circuit IC 2 connect 3 feet of rectistack UR.
A kind of 2. constant pressure type lead acid batteries charger according to claim 1, which is characterized in that the integrated circuit
IC1 is LM324.
A kind of 3. constant pressure type lead acid batteries charger according to claim 1 or 2, which is characterized in that the integrated electricity
Road IC2 is LM338K.
A kind of 4. constant pressure type lead acid batteries charger according to claim 3, which is characterized in that the triode BG1
For NPN casts, model 2N2222.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614893.4U CN207490579U (en) | 2017-11-28 | 2017-11-28 | Constant pressure type lead acid batteries charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721614893.4U CN207490579U (en) | 2017-11-28 | 2017-11-28 | Constant pressure type lead acid batteries charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207490579U true CN207490579U (en) | 2018-06-12 |
Family
ID=62472900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721614893.4U Expired - Fee Related CN207490579U (en) | 2017-11-28 | 2017-11-28 | Constant pressure type lead acid batteries charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207490579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245059A (en) * | 2020-03-10 | 2020-06-05 | 徐州工业职业技术学院 | Intelligent off-grid solar power generation protection circuit |
-
2017
- 2017-11-28 CN CN201721614893.4U patent/CN207490579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111245059A (en) * | 2020-03-10 | 2020-06-05 | 徐州工业职业技术学院 | Intelligent off-grid solar power generation protection circuit |
| CN111245059B (en) * | 2020-03-10 | 2020-09-15 | 徐州工业职业技术学院 | Intelligent off-grid solar power generation protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20181128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |