CN102270873B - Constant-current constant-voltage pulse charger capable of randomly setting charging voltage and charging current - Google Patents
Constant-current constant-voltage pulse charger capable of randomly setting charging voltage and charging current Download PDFInfo
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- CN102270873B CN102270873B CN201110216047.8A CN201110216047A CN102270873B CN 102270873 B CN102270873 B CN 102270873B CN 201110216047 A CN201110216047 A CN 201110216047A CN 102270873 B CN102270873 B CN 102270873B
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Abstract
The invention discloses a constant-current constant-voltage pulse charger capable of randomly setting charging voltages and charging currents. The pulse charger comprises a main power supply circuit (1), a standard voltage source circuit (2), a control power supply circuit (3), a charging voltage setting circuit (4), a voltage comparison circuit (5), a constant-current charging control circuit (6), a charging current detection circuit (7), a charging current control circuit (8), a triggering synchronous control circuit (9), a charging trigger circuit (10) and a charging circuit (11). The pulse charger works in an unattended mode, has a good protective effect on storage batteries and can prolong service life of storage batteries. The pulse charger has the advantages of low manufacturing cost, good charging effect and long service life. The constant charging voltage and constant charging current of the pulse charger are randomly set, so as to achieve non-polar pulse charging effects, prevent over-charging of storage batteries, and ensure that storage batteries are full. The pulse charger works without needing to be monitored, and practices prove that the performances of the pulse charger are sable and reliable.
Description
Technical field
The present invention relates to charger, be specifically related to a kind of constant current constant voltage pulse charger.
Background technology
While using at present commercially available common charger for lead acid battery charge, need personnel to keep an eye on, as kept an eye on, improperly just there will be charger scaling loss, battery undercharge or the phenomenon such as overcharge, storage battery charge storage ability is declined, even scrap.Although there has been autocontrol charger to appear on the market, its automatic control effect is unsatisfactory, often there will be the situation of scrapping storage battery of filling, and its useful life is also shorter.Although also have on the market constant-current constant-voltage charging machine, it is mainly used in large-scale charging part, adopt microcomputerized control, cost is higher, is not suitable for domestic consumer and uses.
The charger of selling on market is mostly level pressure flow-regulating type, when battery tension rose with the charging interval, charging current reduces thereupon, keep charging current constant, will to electric current, adjust at any time, particularly charge the later stage, electrolyte boiling, electrolyte temperature raises, and at this moment more needs personnel to keep an eye on.Common charger is all the pulsating current charging by all-wave or halfwave rectifier, or with charging after high frequency transformer rectification, be equivalent to DC charging, by such current charges, be not easy to activate the active material on accumulator plate, also can make the charge storage ability of storage battery constantly decline.Also useful controllable silicon, as the charger of charge member, belongs to pulse current charge, the easy Activation Activity material of pulse current charge, but due to can not constant-current constant-voltage charging, must there is people's post otherwise can cause and overcharge or undercharge, when charging current is excessive, easy scaling loss charger or damage storage battery also.
Summary of the invention
While the object of this invention is to provide a kind of charging, do not need people be keep an eye on, effective to accumulator protecting, can increasing storage battery service life, cost is low, charging effect good, the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current of long service life.
Technical solution of the present invention is: it comprises main power circuit, normal voltage source circuit, control power circuit, charging voltage initialization circuit, voltage comparator circuit, constant current charge control circuit, charging current detecting circuit, charging current control circuit, triggering synchronous control circuit, charging circuits for triggering and charging circuit, main power circuit respectively with normal voltage source circuit, control power circuit and charging circuit and be connected to each circuit power supply is provided, normal voltage source circuit is connected to each circuit with charging voltage initialization circuit and voltage comparator circuit respectively working power is provided, control power circuit respectively with constant current charge control circuit, charging current control circuit, triggering synchronous control circuit and charging circuits for triggering are connected to each circuit provides working power, charging voltage initialization circuit and voltage comparator circuit are connected to the rechargeable battery of different size and set charging reference voltage and the charging reference voltage setting is delivered to voltage comparator circuit, and voltage comparator circuit is connected with constant current charge control circuit with battery positive voltage respectively, charging reference voltage and battery tension are compared, when charging reference voltage provides charging signals to constant current charge control circuit during higher than battery tension, charging current detecting circuit is connected respectively with charging current control circuit with battery terminal negative, for charging current signal being given to charging current control circuit, control charging current, charging current control circuit is connected with constant current charge control circuit, the charging current signal of sending here according to charging current detecting circuit, make charging voltage and charging current form closed-loop control, by charging current signal limiting charging current, constant current charge control circuit is connected with charging circuits for triggering, the charging current signal synthesis that the charging signals that voltage comparator circuit is sent here and charging current control circuit are sent here, produce constant current signal, give charging circuits for triggering, triggering synchronous control circuit is connected with charging circuits for triggering, for charging circuits for triggering provide synchronous control signal, charging circuits for triggering are connected with charging circuit, according to constant current, need to change flexibly Trigger Angle, limit charging current and provide triggering signal for charging circuit, the work of control charging circuit, charging circuit is connected with battery positive voltage, for providing charging voltage and charging current, storage battery charges.
Technique effect of the present invention is: use its charging time not need people for keeping an eye on, and effective to accumulator protecting, be not easy to fill and scrap storage battery, can increasing storage battery service life, there is cost low, charging effect is good, the advantage of long service life.It can set arbitrarily constant charging voltage and constant charge current realizes electrodeless pulse current charge, adopt discrete component to form analog control circuit, when battery tension reaches set point charging current close to zero (because internal storage battery always has electric leakage, charging current can not be reduced to zero), storage battery can not overcharge, assurance is sufficient by storage battery, uses it without personnel's pipe, to keep, and it is stable and reliable for performance to pass through practice test.
This charger has following characteristics:
1, guarantee that the storage battery being recharged is sufficient, can not overcharge;
2, owing to being pulse current charge, can fully activate the active material on pole plate, keep the electric power storage ability of storage battery, increase the service life;
3, in the process of charge in batteries, temperature can be not too high, avoids the damage of storage battery high temperature;
4, owing to being constant-current pulse charging, can not make the later stage electrolyte excessive boiling of charging, when particularly battery tension approaches set point, charged electrical fails to be convened for lack of a quorum and reduces gradually, so, reduced the consumption of electrolyte, reduce again the consumption of electrolysis to rechargeable electrical energy, also reduced the discharge of pernicious gas;
5, not employment of charging process is kept an eye on, and sets charging voltage and electric current as long as correct, simple in structure, easy to operate, cheap;
6, can be to being no more than any charge in batteries of standard voltage source, such as, more than one volt all storage batterys, the core technology of this charger is that constant current constant voltage is controlled, the steady circuits for triggering of low output voltage, wide-voltage range charging etc.
accompanying drawing explanation
Fig. 1 is charger example structure block diagram of the present invention;
Fig. 2 is charger embodiment circuit theory diagrams of the present invention;
Fig. 3 is charger embodiment triggering synchronous waveform comparison diagram of the present invention.
Embodiment
As Fig. 1, shown in Fig. 2, it comprises main power circuit 1, normal voltage source circuit 2, control power circuit 3, charging voltage initialization circuit 4, voltage comparator circuit 5, constant current charge control circuit 6, charging current detecting circuit 7, charging current control circuit 8, triggering synchronous control circuit 9, charging circuits for triggering 10 and charging circuit 11, main power circuit 1 respectively with normal voltage source circuit 2, control power circuit 3 and charging circuit 11 are connected to each circuit provides power supply, normal voltage source circuit 2 is connected to each circuit with charging voltage initialization circuit 4 and voltage comparator circuit 5 respectively working power is provided, control power circuit 3 respectively with constant current charge control circuit 6, charging current control circuit 8, triggering synchronous control circuit 9 and charging circuits for triggering 10 are connected to each circuit provides working power, charging voltage initialization circuit 4 is set charging reference voltage and the charging reference voltage setting is delivered to voltage comparator circuit 5 with the rechargeable battery that voltage comparator circuit 5 is connected to different size, and voltage comparator circuit 5 is connected with constant current charge control circuit 6 with battery positive voltage respectively, charging reference voltage and battery tension are compared, when charging reference voltage provides charging signals to constant current charge control circuit 6 during higher than battery tension, charging current detecting circuit 7 is connected respectively with charging current control circuit 8 with battery terminal negative, for charging current signal being given to charging current control circuit 8, control charging current, charging current control circuit 8 is connected with constant current charge control circuit 6, the charging current signal of sending here according to charging current detecting circuit 7, make charging voltage and charging current form closed-loop control, by charging current signal limiting charging current, constant current charge control circuit 6 is connected with charging circuits for triggering 10, the charging current signal synthesis that the charging signals that voltage comparator circuit is sent here and charging current control circuit 8 are sent here, produce constant current signal, give charging circuits for triggering 10, triggering synchronous control circuit 9 is connected with charging circuits for triggering 10, for charging circuits for triggering 10 provide synchronous control signal, charging circuits for triggering 10 are connected with charging circuit 11, according to constant current, need to change flexibly Trigger Angle, limit charging current and provide triggering signal for charging circuit 11, the work of control charging circuit, charging circuit 11 is connected with battery positive voltage, for providing charging voltage and charging current, storage battery charges.
Normal voltage source circuit 2 is by bridge rectifier Z1, resistance R 1, diode D1, capacitor C 1, resistance R 2, voltage stabilizing didoe DW1 and capacitor C 2 form, the positive output end of bridge rectifier Z1 is connected with the positive pole of diode D1 with the first end of resistance R 1, the negative pole of diode D1 is connected with the positive pole of capacitor C 1 with the first end of resistance R 2, the second end of resistance R 2 is connected with the positive pole of capacitor C 2 with the negative electrode of voltage stabilizing didoe DW1, the second end of the negative output terminal of bridge rectifier Z1 and resistance R 1, the negative pole of capacitor C 1, the anode of voltage stabilizing didoe DW1 is connected respectively with the negative pole of capacitor C 2.The two ends of first group of secondary coil of two inputs and main power circuit 1 transformer B1 of bridge rectifier Z1 are connected respectively.
Charging voltage initialization circuit 4 is by potentiometer W1, capacitor C 3, resistance R 3, triode Q1, resistance R 4, resistance R 5, triode Q2, resistance R 6 and voltmeter V1 form, the adjustable end of slip of potentiometer W1 and the first end of capacitor C 3, the first end of resistance R 3 is connected respectively with the base stage of triode Q1, the first end of the first end of resistance R 4 and resistance R 5, the base stage of triode Q2 is connected respectively, the emitter of triode Q1 is connected with the anode of voltmeter V1 with the collector electrode of triode Q2, the emitter of triode Q2 is connected with the first end of resistance R 6, the second end of resistance R 5 is connected with the second end of resistance R 6, the first stiff end of potentiometer W1, the second end of capacitor C 3, the second end of resistance R 3, the negative pole of voltmeter V1 is connected with common ground end respectively.The second stiff end of potentiometer W1 is connected with the second end of normal voltage source circuit 2 resistance R 2, the positive pole of capacitor C 2, voltage stabilizing didoe DW1 are anodal is connected, the collector electrode of triode Q1 is connected with the first end of normal voltage source circuit 2 resistance R 2, the positive pole of the negative pole of diode D1, capacitor C 1, and the second end of resistance R 5, the second end of resistance R 6 are connected respectively with the negative pole of capacitor C 2 with negative output terminal, the second end of resistance R 1, the negative pole of the negative pole of capacitor C 1, voltage stabilizing didoe DW1 of normal voltage source circuit Bridge 2 formula rectifier Z1.
Constant current charge control circuit 6 is by resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, capacitor C 6, capacitor C 7, triode Q7, triode Q8 forms, the first end of resistance R 12, the first end of resistance R 15, the positive pole of capacitor C 7, the first end of resistance R 16, the first end of resistance R 19 is connected respectively, the second end of resistance R 12, the first end of resistance R 13, the base stage of triode Q7 is connected respectively, the second end of resistance R 13, the second end of resistance R 14, the first end of capacitor C 6 is connected respectively, and the second end of capacitor C 6 is connected with common ground end, and the emitter of triode Q7 is connected with the second end of resistance R 15, the negative pole of the collector electrode of triode Q7 and capacitor C 7, the first end of resistance R 17, the first end of resistance R 18 is connected respectively, the second end of resistance R 16 and the second end of resistance R 17, the base stage of triode Q8 is connected respectively, and the emitter of triode Q8 is connected with the second end of resistance R 19, and the collector electrode of triode Q8 is connected with the first end of resistance R 20.The first end of the first end of the positive pole of the first end of the first end of resistance R 12, resistance R 15, capacitor C 7, resistance R 16, resistance R 19 is connected with the emitter of control power circuit 3 triode Q12, the positive pole of capacitor C 13, and the second end of resistance R 18 is connected with the output of voltage comparator circuit 5 voltage comparator ics.
Charging current detecting circuit 7 consists of ammeter A and shunt FL, and the anode of ammeter A is connected with the first end of shunt FL and the negative pole of storage battery, and the second end of the negative terminal of ammeter A, shunt FL is connected with connecing with common ground end.
Charging current control circuit 8 is by triode Q9, resistance R 25, potentiometer W2, adjustable resistance RW2 and adjustable resistance RW3 form, the base stage of triode Q9 is connected with the adjustable end of slip of potentiometer W2, the emitter of triode Q9 is connected with the first end of resistance R 25, the first stiff end of potentiometer W2 is connected with the adjustable end of slip of adjustable resistance RW2, the second stiff end is connected with the adjustable end of slip of adjustable resistance RW3, the first stiff end of adjustable resistance RW2 is connected with the first stiff end of adjustable resistance RW3, the second end of resistance R 25 is connected with the second stiff end of adjustable resistance RW3.The collector electrode of triode Q9 is connected with the second end of constant current charge control circuit 6 resistance R 14, the anode of the second stiff end of adjustable resistance RW2 and charging current detecting circuit 7 ammeter A, the first end of shunt FL is connected, the second end of resistance R 25, the negative output terminal of the second stiff end of adjustable resistance RW3 and normal voltage source circuit Bridge 2 formula rectifier Z1, the second end of resistance R 1, the negative pole of capacitor C 1, the negative pole of the negative pole of voltage stabilizing didoe DW1 and capacitor C 2, the second end of charging voltage initialization circuit 4 resistance R 5, the second end of resistance R 6, the second end of voltage comparator circuit 5 resistance R 9, the second end of resistance R 10, the earth terminal of voltage comparator ic is connected respectively.
Triggering synchronous control circuit 9 consists of resistance R 22, resistance R 23, resistance R 24, triode Q10, triode Q11, the first end of resistance R 22 is connected with the base stage of triode Q10, the collector electrode of triode Q10 is connected with the base stage of triode Q11 with the first end of resistance 23, the emitter of the emitter of triode Q10, triode Q11 is connected with the first end of resistance R 24 respectively, and the second end of resistance R 24 is connected with common ground end.The second end of resistance R 22 is connected with the positive output end of normal voltage source circuit Bridge 2 formula rectifier Z1, the second end of resistance 23 connects power end with the second end of charging voltage initialization circuit 4 resistance R 4 with voltage comparator circuit voltage comparator ic and is connected respectively, and the collector electrode of triode Q11 is connected with the second end of constant current charge control circuit 6 resistance R 20.
Charging circuits for triggering 10 consist of capacitor C 8, unijunction transistor BT, resistance R 21 and triggering transformer B2, the first end of capacitor C 8 is connected with the emitter of unijunction transistor BT, the first base stage of unijunction transistor BT is connected with the first end that triggers transformer B2 input coil, the second end of capacitor C 8 is connected with common ground end respectively with the second end that triggers transformer B2 input coil, and the second base stage of unijunction transistor BT is connected with the first end of resistance R 21.The emitter of the first end of capacitor C 8, unijunction transistor BT is connected with the second end of constant current charge control circuit 6 resistance R 20, the second end of resistance R 21 with the first end of the first end of constant current charge control circuit 6 resistance R 12, resistance R 15, the first end of the positive pole of capacitor C 7, resistance R 16, the second end of the first end of resistance R 19, triggering synchronous control circuit 9 resistance 23, the second end of charging voltage initialization circuit 4 resistance R 4 connects power end with voltage comparator circuit voltage comparator ic is connected respectively.
One, schematic block diagram illustration:
1, main power circuit:
Energy is provided to full machine.
2, normal voltage source circuit:
For charging voltage setup unit and voltage comparison unit provide stable working power, its value is to determine according to the charger of different voltage specifications, such as charger charging voltage is 6V, 12V, 24V, 36V ... Deng.
Lead acid accumulator list lattice maximum charging voltage is 2.7V, and the storage battery maximum charging voltage of nominal 6V is 3 * 2.7V=8.1V, and the maximum charging voltage of nominal 12V is 16.2V.The maximum charging voltage of five 12V storage battery series connection is 16.2V * 5=81V etc.The voltage of standard voltage source is greater than or equal to maximum charging voltage value.
3, control power circuit:
To control circuit, provide working power.
4, charging voltage initialization circuit:
In order to set charging voltage, by the charging reference voltage of setting, give voltage comparison unit.
Voltage comparator circuit:
It compares the reference voltage of setting and the battery tension that will charge, when the magnitude of voltage of setting produces charging signals during higher than battery tension.
5, constant current charge control circuit:
It is the charging current signal synthesis that the charging signals that voltage comparison unit is sent here and the constant current control unit that charges are sent here, produces constant current signal, gives trigger element.
6, charging current detecting circuit:
Its effect: (1) send ammeter to show charging current.(2) send charging current control unit, control charging current.
7, charging current control circuit:
Set up the size of charging current, charging voltage and charged electrical form closed-loop control, by charging current, limit charging current.
8, triggering synchronous control circuit:
This synchronous circuit is in order to make the charge in batteries that charger can be to low voltage, do not adopt slicing mode, and employing Schmidt trigger circuit, make circuit overturn when alternating voltage is greater than more than 1 volt, voltage turns back during lower than 1 volt, and the square wave of generation, has eliminated the arc at sinusoidal wave two ends, thereby guarantee that the stable Small conduction angle of controllable silicon triggers, reliably the charge in batteries to low-voltage.As shown in Figure 3:
9, charging circuits for triggering:
According to constant current, need to change flexibly Trigger Angle, limit charging current.
10, charging circuit:
According to user's request, during little user's low-voltage charging, can take transformer isolation mode, conveniently moving, is used safety.Adopt the bidirectional triode thyristor control transformer angle of flow once, secondary adds rectifier cell charging.High voltage large user, available one-way SCR is controlled charging, can save transformer.
Two, circuit theory diagrams explanation
1, rectifier bridge Z
1, D
1, C
1, R
2, DW
1, C
2, etc. form standard voltage source, R
1for bleeder resistance, make pulse after the rectification root of AC wave shape neatly clean, eliminate the impact of capacity effect on waveform root, guarantee Q
10, Q
11the Schmidt trigger circuit forming triggers at the same position of pulsating waveform root, produces stable synchronous huge ripple.
2, W
1for charging voltage, set potentiometer for guaranteeing wide region setting voltage, adopt multiturn potentiometer, also available common potentiometer is taked electric resistance partial pressure segmented mode, and broadening voltage is set, and such as maximum charging voltage is 100V, can be divided into three sections, (1) 1-35V; (2) 30-65V; (3) 60-100V etc., can accurately set charging voltage like this.
Q
1being to expand stream pipe, is for reducing the consumption of standard voltage source energy, at potentiometer W
1under control, produce the voltage source with load capacity.(1), power transmission is pressed Table V
1the charging voltage of display setting; (2), send voltage comparator Q
5base stage, carries out voltage ratio.Q
2q
5the drop-down bias current pipe of base stage, Q
2by R
4, R
5, R
6form constant-current circuit, current limliting is avoided Q
1overload, guarantees again Q
5when setting, very low charging voltage has normal work bias current.
3, Q
5, Q
6, IC, R
9, R
10form voltage comparator circuit, in order to make it the work of high voltage situation (because general finished product voltage comparator operating voltage is all no more than 20V, this circuit maximum operating voltage is greater than 100V), so use Q
3, Q
4form the operating current that complementary constant-current circuit carrys out stop voltage comparator, assurance voltage comparator circuit is worked in low-power consumption situation, so circuit is reliable and stable.D
2, D
3be counterflow-preventing diode, it is to prevent Q
5, Q
6base voltage punctures Q while differing larger
5, Q
6be knot.
Work is such, works as Q
5the voltage set of base stage higher than be recharged battery tension time, Q namely
5u
b> Q
6u
btime, Q
6conducting, will be at R
10upper generation voltage drop, Q
5be cut off R
9on there is no voltage drop, make IC negative input end voltage higher than positive input terminal, output low level, R
18there is electric current to pass through, C
7start charging, C
7upper voltage constantly rises, Q while reaching a certain value
8base stage will be passed through R
17produce bias current conducting, through R
20to C
8charging, BT produces trigger impulse, triggers controllable silicon storage battery is charged.C
7play the effect of circuit buffering, can not make charging current reach suddenly maximum.
4, generation current signal when charging current process shunt FL, (1) send ammeter to show charging current; (2) send charging current control unit.
5, RW
2, RW
3, W
2, Q
9, R
25form charging current control circuit, RW
2that zero current regulates variable resistor, RW
3to allow maximum charging current to limit to regulate variable resistor, W
2be that charging current is controlled potentiometer, upwards regulate electric current to reduce, to lowering charging stream, increase.
This circuit, for charging current zero is controlled, is used D
5set up the current potential of one-0.7V, namely Q
9emitter current potential lower than full machine ground 0.7V, upwards regulate W
2time Q
9base stage the bias voltage of obtain+0.7V full is closed to conducting, through R
14, R
13, make Q
7satisfy and close conducting, Q
7to bleed off C
7on electric charge, the charging signals short circuit that voltage comparator is sent here, Q
8cut-off, trigger element quits work, and making charging current is zero.At this moment to lowering W
2, allow Q
9ub decline, Q
9to exit full closing, Q
7also will exit full closing, C
7start again charging, Q
8conducting makes circuits for triggering produce triggering signal, controllable silicon work charging.But due to D
5on voltage and the shunt FL raw voltage drop of miscarriage that powers on be forward series connection, the voltage drop on FL, makes again Q
9u
brise, supplemented some W
2the pressure drop of lowering, but can not be completely supplementary, and make Q
9not at full conducting in situation, the Q of closing
7also be same.Thereby reduced C
7on magnitude of voltage, Q
8internal resistance increase and to make C
8on charging interval extend and to have increased silicon controlled Trigger Angle, charging current is reduced, W
2larger to what lower, the pressure drop that also just needs large charging current to produce on FL shunt supplements, and has so just realized the adjustable current control circuit of size of current.The signal of exporting due to Current Control is pulse, and C7 plays again smothing filtering effect, charging current is stablized controlled.
From circuit, can see, charging current is controlled and is just started to control when voltage comparator is sent charging signals, but is not subject to the impact of charging voltage, namely with the independent from voltage of wanting charging accumulator.
When charging voltage approaches setting voltage, owing to being pulse current charge, voltage comparator circuit Q
6during base potential and higher than Q
5base potential, and charging current is declined, in order not make the too early reduction of charging current, at Q
6base input end has increased filter circuit C
9, R
26, C
10, R
27, C
11deng.Work as Q
6base potential is a little more than Q
5during base potential, stop charging.
6, trigger synchronous circuits, by Q
10, Q
11form Q
10base stage in resistance R
22effect under, allow pulsating voltage after rectification, be greater than 1V conducting when above, Q
11only carry, allow C
8can charging and produce trigger impulse, and Q when following lower than 1V
10cut-off, Q
11conducting, C
8cannot charge, realize triggering and synchronize with supply voltage.
7, K
1for mains switch, can adopt air switch, K
2for charge protection switch, before charging operations, disconnect, connect after the storage battery that will charge, then connect, to avoid getting an electric shock, small-sized low-voltage charger (as following in 36V) can be adopted piezoelectric transformer isolation, guarantees to use safety.
Claims (10)
1. can set arbitrarily the constant current constant voltage pulse charger of charging voltage and charging current, it is characterized in that: it comprises main power circuit (1), normal voltage source circuit (2), control power circuit (3), charging voltage initialization circuit (4), voltage comparator circuit (5), constant current charge control circuit (6), charging current detecting circuit (7), charging current control circuit (8), triggering synchronous control circuit (9), charging circuits for triggering (10) and charging circuit (11), main power circuit (1) respectively with normal voltage source circuit (2), control power circuit (3) and charging circuit (11) are connected to each circuit provides power supply, normal voltage source circuit (2) is connected to each circuit with charging voltage initialization circuit (4) and voltage comparator circuit (5) respectively working power is provided, control power circuit (3) respectively with constant current charge control circuit (6), charging current control circuit (8), triggering synchronous control circuit (9) and charging circuits for triggering (10) are connected to each circuit provides working power, charging voltage initialization circuit (4) is set charging reference voltage and the charging reference voltage setting is delivered to voltage comparator circuit (5) with the rechargeable battery that voltage comparator circuit (5) is connected to different size, voltage comparator circuit (5) is connected with constant current charge control circuit (6) with battery positive voltage respectively, charging reference voltage and battery tension are compared, when charging reference voltage provides charging signals to constant current charge control circuit (6) during higher than battery tension, charging current detecting circuit (7) is connected respectively with charging current control circuit (8) with battery terminal negative, for charging current signal being given to charging current control circuit (8), control charging current, charging current control circuit (8) is connected with constant current charge control circuit (6), the charging current signal of sending here according to charging current detecting circuit (7), make charging voltage and charging current form closed-loop control, by charging current signal limiting charging current, constant current charge control circuit (6) is connected with charging circuits for triggering (10), the charging current control signal that the charging signals that voltage comparator circuit is sent here and charging current control circuit (8) are sent here is comprehensive, produce constant current signal, give charging circuits for triggering (10), triggering synchronous control circuit (9) is connected with charging circuits for triggering (10), for charging circuits for triggering (10) provide synchronous control signal, charging circuits for triggering (10) are connected with charging circuit (11), according to constant current, need to change flexibly Trigger Angle, restriction charging current is that charging circuit (11) provides triggering signal, the work of control charging circuit, charging circuit (11) is connected with battery positive voltage, for providing charging voltage and charging current, storage battery charges.
2. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, it is characterized in that described main power circuit (1) is by transformer B1, mains switch K1, fuse BX1 and fuse BX2 form, the first end of transformer B1 first siding ring is connected with power supply the first binding post, the first end of mains switch K1 is connected with power supply the second binding post, the second end of mains switch K1 is connected with the first end of fuse BX1, the second end of fuse BX1 is connected with the first end of fuse BX2, the second end of transformer B1 first siding ring is connected with the second end of fuse BX2, the first end of fuse BX2 is connected with charging circuit (11), the two ends of first group of secondary coil of transformer B1 are connected with normal voltage source circuit (2) respectively, the two ends of second group of secondary coil of transformer B1 are connected with control power circuit (3) respectively.
3. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, it is characterized in that described normal voltage source circuit (2) is by bridge rectifier Z1, resistance R 1, diode D1, capacitor C 1, resistance R 2, voltage stabilizing didoe DW1 and capacitor C 2 form, the positive output end of bridge rectifier Z1 is connected with the positive pole of diode D1 with the first end of resistance R 1, the negative pole of diode D1 is connected with the positive pole of capacitor C 1 with the first end of resistance R 2, the second end of resistance R 2 is connected with the positive pole of capacitor C 2 with the negative electrode of voltage stabilizing didoe DW1, the second end of the negative output terminal of bridge rectifier Z1 and resistance R 1, the negative pole of capacitor C 1, the anode of voltage stabilizing didoe DW1 is connected respectively with the negative pole of capacitor C 2, two inputs of bridge rectifier Z1 are connected with main power circuit (1) respectively, the rectification positive output end of bridge rectifier Z1 is connected with triggering synchronous control circuit (9), the negative electrode of diode D1 is connected with charging voltage initialization circuit (4), the second end of resistance R 2 is connected respectively with voltage comparator circuit (5) with charging voltage initialization circuit (4), the negative output terminal of bridge rectifier Z1 and voltage setting circuit (4), voltage comparator circuit (5), charging current control circuit (8) is connected respectively.
4. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, is characterized in that described control power circuit (3) is by bridge rectifier Z2, diode D5, capacitor C 14, resistance R 29, light-emitting diode D4, resistance R 28, voltage stabilizing didoe DW2, triode Q12, capacitor C 12 and capacitor C 13 form, the positive pole of the positive output end of bridge rectifier Z2 and capacitor C 14, the positive pole of light-emitting diode D4, the first end of resistance R 28 is connected with the collector electrode of triode Q12, the negative output terminal of bridge rectifier Z2 is connected with the negative pole of capacitor C 14 with the negative pole of diode D5, the negative pole of light-emitting diode D4 is connected with the first end of resistance R 29, the second end of resistance R 28 and the base stage of triode Q12, the negative electrode of voltage stabilizing didoe DW2 is connected with the positive pole of capacitor C 12, and the emitter of triode Q12 is connected with the positive pole of capacitor C 13, the positive pole of diode D5, the second end of resistance R 29, the anode of voltage stabilizing didoe DW2, the negative pole of capacitor C 12, the negative pole of capacitor C 13 is connected with common ground end respectively, and two inputs of bridge rectifier Z2 are connected respectively with main power circuit (1), and the positive pole of capacitor C 13 is connected with constant current charge control circuit (6).
5. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, is characterized in that described charging voltage initialization circuit (4) is by potentiometer W1, capacitor C 3, resistance R 3, triode Q1, resistance R 4, resistance R 5, triode Q2, resistance R 6 and voltmeter V1 form, the adjustable end of slip of potentiometer W1 and the first end of capacitor C 3, the first end of resistance R 3 is connected respectively with the base stage of triode Q1, the first end of the first end of resistance R 4 and resistance R 5, the base stage of triode Q2 is connected respectively, the emitter of triode Q1 is connected with the anode of voltmeter V1 with the collector electrode of triode Q2, the emitter of triode Q2 is connected with the first end of resistance R 6, and the second end of resistance R 5 is connected with the second end of resistance R 6, the first stiff end of potentiometer W1, the second end of capacitor C 3, the second end of resistance R 3, the negative pole of voltmeter V1 is connected with common ground end respectively, the second end of resistance R 4 and voltage comparator circuit (5), triggering synchronous control circuit (9), charging circuits for triggering (10) are connected respectively, and the collector electrode of triode Q1 is connected with normal voltage source circuit (2), the second stiff end of potentiometer W1 and normal voltage source circuit (2), voltage comparator circuit (5) is connected respectively, the second end of resistance R 6 and normal voltage source circuit (2), voltage comparator circuit (5), charging current control circuit (8) is connected respectively, and the emitter of triode Q1 is connected with voltage comparator circuit (5).
6. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, is characterized in that described voltage comparator circuit (5) is by resistance R 7, resistance R 8, triode Q3, triode Q4, adjustable resistance RW1, capacitor C 4, capacitor C 5, diode D2, diode D3, triode Q5, triode Q6, resistance R 9, resistance R 10, voltage comparator ic and resistance R 11 form, the first end of resistance R 7 is connected respectively with the first end of resistance R 11 with the first stiff end of adjustable resistance RW1, the second end of resistance R 7 is connected with the emitter of triode Q3, the first end of the collector electrode of triode Q3 and resistance R 8, the first end of capacitor C 4 is connected respectively with the base stage of triode Q4, the base stage of triode Q3 is connected with the adjustable end of slip of adjustable resistance RW1, the second stiff end of adjustable resistance RW1 is connected with the emitter of triode Q4, the collector electrode of triode Q4 is connected respectively with the positive pole of diode D3 with the positive pole of diode D2, the negative pole of diode D2 is connected with the emitter of triode Q5, the base stage of triode Q5 is connected with the first end of capacitor C 5, the collector electrode of triode Q5 is connected with the first end of resistance R 9 and the positive input terminal of voltage comparator ic, the negative pole of diode D3 is connected with the emitter of triode Q6, the base stage of triode Q6 is connected with the second end of resistance R 11, the collector electrode of triode Q6 is connected with the first end of resistance R 10 and the negative input end of voltage comparator ic, the second end of resistance R 9 and the second end of resistance R 10, the earth terminal of voltage comparator ic is connected, the second end of resistance R 8, the second end of capacitor C 4, the second end of capacitor C 5 is connected with common ground end respectively, and the base stage of triode Q5 is connected with charging voltage initialization circuit (4), the first end of resistance R 7 and normal voltage source circuit (2), charging voltage initialization circuit (4) is connected respectively, and the base stage of triode Q6 is connected with charging circuit (11), the power end of voltage comparator ic and charging voltage initialization circuit (4), triggering synchronous control circuit (9), charging circuits for triggering (10) are connected respectively, output is connected respectively with constant current charge control circuit (6), the second end of resistance R 10 and normal voltage source circuit (2), charging voltage initialization circuit (4), charging current control circuit (8) is connected respectively.
7. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, is characterized in that described constant current charge control circuit (6) is by resistance R 12, resistance R 13, resistance R 14, resistance R 15, resistance R 16, resistance R 17, resistance R 18, resistance R 19, resistance R 20, capacitor C 6, capacitor C 7, triode Q7, triode Q8 forms, the first end of resistance R 12, the first end of resistance R 15, the positive pole of capacitor C 7, the first end of resistance R 16, the first end of resistance R 19 is connected respectively, the second end of resistance R 12, the first end of resistance R 13, the base stage of triode Q7 is connected respectively, the second end of resistance R 13, the second end of resistance R 14, the first end of capacitor C 6 is connected respectively, and the second end of capacitor C 6 is connected with common ground end, and the emitter of triode Q7 is connected with the second end of resistance R 15, the negative pole of the collector electrode of triode Q7 and capacitor C 7, the first end of resistance R 17, the first end of resistance R 18 is connected respectively, the second end of resistance R 16 and the second end of resistance R 17, the base stage of triode Q8 is connected respectively, the emitter of triode Q8 is connected with the second end of resistance R 19, the collector electrode of triode Q8 is connected with the first end of resistance R 20, the first end of resistance R 12 is connected with control power circuit (3), the first end of resistance R 14 is connected with charging current control circuit (8), the first end of resistance R 19 and charging voltage initialization circuit (4), voltage comparator circuit (5), triggering synchronous control circuit (9), charging circuits for triggering (10) are connected respectively, and the second end of resistance R 18 is connected with voltage comparator circuit (5), the second end of resistance R 20 and triggering synchronous control circuit (9), charging circuits for triggering (10) are connected respectively.
8. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, it is characterized in that described charging current detecting circuit (7) consists of ammeter A and shunt FL, the anode of ammeter A is connected with the first end of shunt FL and the negative pole of storage battery, the second end of the negative terminal of ammeter A, shunt FL is connected with connecing with common ground end, and the anode of ammeter A is connected respectively with charging current control circuit (8), charging circuit (11), charging current control circuit (8) is by triode Q9, resistance R 25, potentiometer W2, adjustable resistance RW2 and adjustable resistance RW3 form, the base stage of triode Q9 is connected with the adjustable end of slip of potentiometer W2, the emitter of triode Q9 is connected with the first end of resistance R 25, the first stiff end of potentiometer W2 is connected with the adjustable end of slip of adjustable resistance RW2, the second stiff end is connected with the adjustable end of slip of adjustable resistance RW3, the first stiff end of adjustable resistance RW2 is connected with the first stiff end of adjustable resistance RW3, the second end of resistance R 25 is connected with the second stiff end of adjustable resistance RW3, the anode of the second stiff end of adjustable resistance RW2 and charging current detecting circuit (7) ammeter A, the first end of shunt FL is connected, the collector electrode of triode Q9 is connected with constant current charge control circuit (6), the second end of resistance R 25 and normal voltage source circuit (2), charging voltage initialization circuit (4), voltage comparator circuit (5) is connected respectively.
9. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, it is characterized in that described triggering synchronous control circuit (9) is by resistance R 22, resistance R 23, resistance R 24, triode Q10, triode Q11 forms, the first end of resistance R 22 is connected with the base stage of triode Q10, the collector electrode of triode Q10 is connected with the base stage of triode Q11 with the first end of resistance 23, the emitter of triode Q10, the emitter of triode Q11 is connected with the first end of resistance R 24 respectively, the second end of resistance R 24 is connected with common ground end, the second end of resistance R 22 is connected with normal voltage source circuit (2), the second end of resistance 23 and charging voltage initialization circuit (4), voltage comparator circuit (5), charging circuits for triggering (10) are connected respectively, the collector electrode of triode Q11 is connected with constant current charge control circuit (6), charging circuits for triggering (10) are by capacitor C 8, unijunction transistor BT, resistance R 21 and triggering transformer B2 form, the first end of capacitor C 8 is connected with the emitter of unijunction transistor BT, the first base stage of unijunction transistor BT is connected with the first end that triggers transformer B2 input coil, the second end of capacitor C 8 is connected with common ground end respectively with the second end that triggers transformer B2 input coil, the second base stage of unijunction transistor BT is connected with the first end of resistance R 21, the first end of capacitor C 8 is connected with constant current charge control circuit (6), the second end of resistance R 21 and charging voltage initialization circuit (4), voltage comparator circuit (5), triggering synchronous control circuit (9) is connected respectively, the two ends of triggering transformer B2 output winding are connected with charging circuit (11) respectively.
10. the constant current constant voltage pulse charger that can set arbitrarily charging voltage and charging current as claimed in claim 1, is characterized in that described charging circuit (11) is by thyristor KD, voltmeter V2, charge switch K2, capacitor C 9, resistance R 26, capacitor C 10, inductance L, resistance R 27, capacitor C 11 forms, the anode of the negative electrode of thyristor KD and voltmeter V2, the positive pole of capacitor C 11, the first end of resistance R 27, the first end of inductance L is connected respectively and is connected to the positive pole of storage battery, the first end of the first end of charge switch K2 and capacitor C 9, the first end of resistance R 26 is connected respectively, the second end of resistance R 26 and the first end of capacitor C 10, the second end of inductance L is connected respectively, the negative terminal of voltmeter V2, the second end of capacitor C 9, the second end of capacitor C 10, the second end of resistance R 27, the negative pole of capacitor C 11 is connected with common ground end respectively, the second end of charge switch K2 is connected with voltage comparator circuit (5), the positive pole of thyristor KD is connected with main power circuit (1), the negative pole of thyristor KD is connected with charging circuits for triggering (10) respectively with the control utmost point, and the negative pole of storage battery is connected with charging current detecting circuit (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110216047.8A CN102270873B (en) | 2011-07-30 | 2011-07-30 | Constant-current constant-voltage pulse charger capable of randomly setting charging voltage and charging current |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110216047.8A CN102270873B (en) | 2011-07-30 | 2011-07-30 | Constant-current constant-voltage pulse charger capable of randomly setting charging voltage and charging current |
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| CN102270873A CN102270873A (en) | 2011-12-07 |
| CN102270873B true CN102270873B (en) | 2014-04-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102916461A (en) * | 2012-09-06 | 2013-02-06 | 深圳市合元科技有限公司 | Intelligent charge-discharge control circuit of battery |
| CN106655297A (en) * | 2015-08-21 | 2017-05-10 | 重庆宁来科贸有限公司 | Pulse timing low-carbon and environment-friendly charging device |
| CN106505647A (en) * | 2015-09-06 | 2017-03-15 | 重庆宁来科贸有限公司 | N-type pulsed binode beam constant current charger |
| CN106505649A (en) * | 2015-09-06 | 2017-03-15 | 重庆宁来科贸有限公司 | Low-carbon (LC) SCR type environmental protection charger |
| CN106505648A (en) * | 2015-09-06 | 2017-03-15 | 重庆宁来科贸有限公司 | A kind of low-carbon (LC) charger |
| CN106786817A (en) * | 2015-11-20 | 2017-05-31 | 重庆宁来科贸有限公司 | The hybrid Environmental-protection charging device of constant-current type |
| CN106026756B (en) * | 2016-07-22 | 2018-06-19 | 东文高压电源（天津）股份有限公司 | A kind of quick negative high voltage power pulse output circuit of rechargeable type |
| CN106685015B (en) * | 2017-03-14 | 2019-04-26 | 江苏美的清洁电器股份有限公司 | Charging method, charging unit and electronic device |
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| CN2049835U (en) * | 1988-08-30 | 1989-12-20 | 王佐 | Full autocontrol chargine and non-intermittent electric source apparatus |
| KR100341986B1 (en) * | 1999-04-23 | 2002-06-26 | 윤종용 | Battery Charger And Charge Control Method |
| JP2002199605A (en) * | 2000-12-25 | 2002-07-12 | Matsushita Electric Works Ltd | Charging method and charger |
| KR100508747B1 (en) * | 2003-06-19 | 2005-08-17 | 삼성전자주식회사 | Apparatus and method for charging of battery |
| JP2007037225A (en) * | 2005-07-25 | 2007-02-08 | Nec Saitama Ltd | Charging circuit and charge control method |
| CN202150720U (en) * | 2011-07-30 | 2012-02-22 | 何庆余 | Constant current constant voltage pulse charger capable of setting charging voltage and charging current arbitrarily |
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