CN2420772Y - Common charger for battery and lead accumulator - Google Patents

Common charger for battery and lead accumulator Download PDF

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Publication number
CN2420772Y
CN2420772Y CN 00226331 CN00226331U CN2420772Y CN 2420772 Y CN2420772 Y CN 2420772Y CN 00226331 CN00226331 CN 00226331 CN 00226331 U CN00226331 U CN 00226331U CN 2420772 Y CN2420772 Y CN 2420772Y
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resistance
capacitor
coil
triode
series
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缑泽川
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    • Y02E60/12—

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to a universal charger for a battery and a lead storage battery, which is a universal charger capable of charging a zinc-manganese dioxide dry battery, a nickel-cadmium or nickel-hydrogen battery and the lead storage battery. A circuit of the utility model mainly comprises a feedback concatenation push-pull type switching oscillating circuit of a high-frequency oscillating transformer, wherein, a pulse transformer T3 is additionally arranged in the switching oscillating circuit. Alternating low voltage with frequency of 20 khz-60 khz is output by the pulse transformer T3, and the alternating low voltage directly charges a single battery or a plurality of batteries connected in series or charges the batteries connected in series or a lead storage battery externally connected with the utility model by a three-wire socket CZ and a two-core plug through bridge rectification by pulsating current. Output charging voltage is automatically regulated along with the intensity of the voltage of a battery group.

Description

Battery, lead accumulator universal charger
The utility model belongs to the universal charger that zinc-manganese dioxide dry cell, nickel-cadmium cell, Ni-MH battery, lead accumulator are charged.
At present, normally used battery charger or lead accumulator charger great majority are by power transformer (its secondary voltage is the multiple voltage of many windings), after the voltage change-over switch selection, control the charging process of battery or lead accumulator through bridge rectifier filtering and by the control circuit that current-limiting resistance, triode electric elements such as (or controllable silicons) are formed, battery or lead accumulator are charged.The versatility of these chargers is relatively poor, can be the lead accumulator charging of 6V, 12V, 24V to voltage again to the multiple batteries charging of single-unit or series connection seldom.Special-purpose charging integrated circuit block also reports difficulty to reach above-mentioned requirements.Can reach above-mentioned requirements if want, charger is will be too complicated and volume is excessive, particularly when zinc-manganese dioxide dry cell is charged, because the variation of the zinc-manganese dioxide dry cell internal resistance of cell and voltage in charging, if any zinc-manganese dioxide dry cell charge during at voltage for 1.5V, cell voltage can reach 2V, and the driving power voltage of charger is changeless, will prolong the charging interval like this.Driving power voltage can be changed along with the variation of cell voltage, and it is loaded down with trivial details to bring for the design of charger circuit, strengthens cost.
The purpose of this utility model provides a kind of charger, it can not only be to zinc-manganese dioxide dry cell, the battery of nickel-cadmium cell, Ni-MH battery single-unit or multi-section serial charges, but also can be not too big to ampere-hour (Ah), and voltage is that the lead accumulator of 6V, 12V, 24V charges.The driving power voltage of charging automatically adjusts along with the voltage height of what or lead accumulator of the battery of the need charging of series connection.This charger volume is little, and cost is low.Be the stronger a kind of battery of a kind of versatility, the lead accumulator universal charger.
The purpose of this utility model is achieved in that this charger can be placed single-unit or be electrically connected in series in charger shell No. 1, several joints or No. 5 batteries.Three-plug connector CZ is installed on the charger box shell side.Can charge to single-unit or the multiple batteries that is electrically connected in series or lead accumulator by drawing two leads with the supporting two core plug of three-plug connector CZ.This charger comprises that power display circuit is (by protective tube FU, resistance R 2, diode D 1, light-emitting diode D 2With the alternating current 220V power supply be docile and obedient preface be connected in series constitute the loop and form), common mode symmetrical expression high frequency choke coil filter circuit is (by capacitor C 1, inductance coil L 1, capacitor C 2, inductance coil L 2Be docile and obedient the closed-loop path composition that preface is connected in series and forms, wherein high frequency choke coil T 1, comprise inductance coil L 1And L 2).After bridge rectifier QL 1After the rectification in capacitor C 3Two ends produce high direct voltage V=V +-V -, this voltage is the dc power supply of the inverter of generation 20KHZ～60KHZ oscillating circuit.In inverter circuit, comprise by resistance R 2, capacitor C 4, diode D 3, diac DB 3The start-up circuit that constitutes is by resistance R 7, capacitor C 5The overvoltage crowbar of the switch oscillating circuit of the formation that is connected in parallel, an end in parallel and the V of voltage V +End is connected, the other end and triode VT in parallel 2Collector electrode be connected, by triode VT 1, VT 2Resistance R 3, R 4, R 5, R 6, higher-order of oscillation transformer T 2(in coil n is arranged 1, n 2, n 3), inductance coil L 3, pulse transformer T 3Primary coil N 1, capacitor C 5Formula switch oscillating circuit is pushed off in the higher-order of oscillation transformer feedback series connection of forming.By pulse transformer T 3Secondary coil N 2, bridge rectifier QL 2, the J of 12V direct current relay J 1The normally-closed contact of contact sets, resistance R 8, R 9, diode D 4, light-emitting diode D 5, battery pack (series connection: E * n) constitute (the main charging circuit of series connection: E * n) is by bridge rectifier QL to battery pack 2, the J of 12V direct current relay J 1The normally opened contact of contact sets, resistance R 10, R 11, diode D 6, light-emitting diode D 7, resistance R 12, triode VT 3, capacitor C 7, battery pack (series connection: E * n) constitute to the battery pack (trickle charging circuit of series connection: E * n).The selection of two kinds of charging modes is by the J of 12V direct current relay J 1The normally-closed contact of contact sets or the conversion of normally opened contact realize.By power transformer B and bridge rectifier QL 3, capacitor C 8, C 9, C 10, C 11, C 12, C 13, diode D 8, D 9, resistance R 13, R 14And three-terminal regulator block 78M12,79M12 form ± DC power supply circuit of 12V.By resistance R 15, R 16, R 17, R 18, R 19, R 20And the battery pack that constitutes of operational amplifier IC-1 (series connection: E * n) sampling voltage and the low-pass filter circuit of voltage.By resistance R 23, R 24, R 25, R 26, R 27, R 28, R 29, R 30, R 31, R 32And toggle switch K 1(four), K 29 charging voltage benchmark that (four) constitute.By resistance R 22The charging voltage benchmark that constitutes with operational amplifier IC-2 and battery pack (are connected: the hysteresis loop comparator circuit that the sampling voltage of E * n) compares.By resistance R 21, triode VT 4, diode D 10, the control that constitutes of 12V direct current relay J is to the battery pack (control circuit of main charging of series connection: E * n) or trickle charge.As mentioned above: in higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit, comprise by the alternating current 220V power supply through bridge rectifier QL 1Rectification and through capacitor C 3The direct voltage V=V that produces after the filtering +-V -, and by the V of voltage V +End is docile and obedient the preface capacitor C that is connected in series 6, pulse transformer T 3Primary coil N 1(by N 12. end to 1. the end), inductance coil L 3(by L 32. end to 1. the end), higher-order of oscillation transformer T 2Coil n 1(by n 12. end to 1. the end), triode VT 2Collector electrode to emitter, resistance R 5V to voltage V -The switch oscillating circuit that is connected in series that end constitutes is to capacitor C 6The charging major loop (by higher-order of oscillation transformer T 2Coil n 32. end be docile and obedient the preface resistance R that is connected in series 6, triode VT 2Base stage to emitter, resistance R 5To coil n 31. end constitute triode VT 2Base stage bias current loop) with by capacitor C 6One end (same V +End) is docile and obedient the preface triode VT that is connected in series 1Collector electrode to emitter, resistance R 3, higher-order of oscillation transformer T 2Coil n 1(by n 11. end to 2. the end), inductance coil L 3(by L 31. end to 2. the end), pulse transformer T 3Primary coil N 1(by N 11. end to 2. end) to capacitor C 6The switch oscillating circuit that is connected in series that constitutes of the other end to capacitor C 6The discharge major loop (by higher-order of oscillation transformer T 2Coil n 21. end be docile and obedient the preface resistance R that is connected in series 4, triode VT 1Base stage to emitter, resistance R 3To coil n 22. end constitute triode VT 1Base stage bias current loop) it is characterized in that: capacitor C in by the switch oscillating circuit that is connected in series 6The charging major loop and by capacitor C in the switch oscillating circuit that is connected in series 6The common higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit that constitutes of discharge major loop, in foregoing circuit, inserted pulse transformer T 3, pulse transformer T 3Primary coil N 12. end, be connected capacitor C 6An end (be different from and V +The end that end is connected), primary coil N 11. end be connected inductance coil L 32. end, at pulse transformer T 3Secondary coil N 21. end be connected bridge rectifier QL respectively with 2. end 2Two ac input ends, at bridge rectifier QL 2"+" extremely go up to connect J of 12V direct current relay J 11. the common port of contact sets passes through J 1Normally-closed contact 2. hold the connection resistance R 8An end and resistance R 9An end, resistance R 8The other end connect diode D 4Positive pole, above-mentioned resistance R 9The other end connect light-emitting diode D 5Positive pole, diode D 4Negative pole and light-emitting diode D 5Negative pole connect the 1. end of three-plug connector CZ, the contact sets J of above-mentioned 12V direct current relay J after being connected again 1Normally opened contact 3. hold the connection resistance R 10An end and resistance R 11An end and capacitor C 7An end, above-mentioned resistance R 10The other end connect diode D 6Positive pole, above-mentioned resistance R 11The other end connect light-emitting diode D 7Positive pole, diode D 6Negative pole and light-emitting diode D 7Negative pole join the back with triode VT 3Collector electrode be connected and connect resistance R 12An end, resistance R 12The other end connect triode VT 3Base stage, triode VT 3Emitter and above-mentioned capacitor C 7The other end be connected the 1. end of three-plug connector CZ after being connected again, 1. described three-plug connector CZ holds that (positive electrical of series connection: E * n) is connected, and described battery pack (is connected: negative pole and the bridge rectifier QL of E * n) by the 2. end that is electrically connected with 1. end and battery pack 2"-" utmost point be electrically connected bridge rectifier QL 2"-" utmost point ground connection, the 3. end ground connection of above-mentioned three-plug connector CZ.(series connection: E * n) puts into charger or inserts three-plug connector CZ by two core plug, and (series connection: E * n) or lead accumulator insert in the charger circuit, by toggle switch K two leads by plug with external battery pack when battery pack 1Or K 2Select behind the reference voltage of charging charger incoming transport 220V power supply, it is that the waveform of 20KHZ～60KHZ passes through the pulse transformer T in the oscillation circuit that the push-pull type of higher-order of oscillation transformer feedback series connection at this moment switch oscillating circuit will produce frequency 3Primary coil N 1The alternating voltage that produces acts on pulse transformer T 3Secondary coil N 2Two ends also produce alternating voltage through bridge rectifier QL 2After the rectification, through resistance R 8, diode D 4, resistance R 9, light-emitting diode D 5, (connect: E * n) or lead accumulator carry out the pulsating current charging to battery pack by the selection of three-plug connector CZ and two core plugs.Thereby realization the purpose of this utility model.
Characteristics of the present utility model and effect: the utility model has adopted the alternating current 220V power supply, the direct voltage V that produces behind bridge rectifier is as the dc power supply of higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit, in oscillation circuit, insert the pulse transformer primary coil, in the pulse transformer secondary coil, produce the alternation low-voltage of 20KHZ～60KHZ, the battery pack of behind bridge rectifier, giving single battery or being electrically connected in series (series connection: E * n) or the lead accumulator charging of pulsing.So variable power consumption with general transformer, this charger output work is big, power factor is high, economize on electricity, volume is little, cost is low.This charger to single battery or the battery pack that is electrically connected in series (when series connection: E * n) or lead accumulator charge, only need reference voltage that the change charging needs after, just can be to battery charge.Make things convenient for the user like this, make the charger scope of application big.Especially when zinc-manganese dioxide dry cell is charged, because the voltage of zinc-manganese dioxide dry cell and internal resistance change greatly when charging, and the output charging voltage of charger also can be along with variation.When lead accumulator was charged, because lead accumulator is when beginning to charge, internal resistance was bigger, and at this moment the charger output voltage also can be along with improving voltage, and when lead accumulator diminished along with the charging internal resistance, the charger output voltage also can be along with minimizing.This point helps the charging of lead accumulator.In addition because charger adopts is the switch oscillation power, thus big to the variation scope of application of AC power 220V, be specially adapted to the area of electric network source shakiness.
Below in conjunction with accompanying drawing utility model is described in further details.
Fig. 1 is battery, the lead accumulator charger electrical schematic diagram that the utility model has controlled function.
Fig. 2 is the easy battery of the utility model, lead accumulator charger electrical schematic diagram.
In Fig. 1, the alternating current 220V power firestreak connects the end of insurance FU, and the other end of FU is docile and obedient preface and resistance R 1, diode D 1, light-emitting diode D 2(LED), alternating current 220V power supply " O " line is connected in series light-emitting diode D 2(LED) as the AC power indicator light.The alternating current 220V power firestreak is connected common mode symmetrical expression high frequency choke coil filter medium-high frequency choke T by insurance FU respectively with " O " line 1Two ends: L 11. end and L 21. end, high frequency choke coil T 1Other two ends: L 12. end and L 22. end respectively with bridge rectifier QL 1Two ac input ends be connected (high frequency choke coil T 1Coil L 1With coil L 2Two-wire and be on the skeleton of E-3 around magnetic core, magnetic core E-3 is a manganese-zinc ferrite, magnetic permeability mu=2000, L 11. end and L 21. end be initiating terminal, end promptly of the same name).Bridge rectifier QL 1"+" utmost point and capacitor C 3"+" utmost point be connected QL 1"-" utmost point and capacitor C 3"-" utmost point be connected.The 220V power supply is through bridge rectifier QL like this 1Rectification and C 3After the filtering, at C 3Two ends produce voltage V=V +-V -V +In capacitor C 3"+" extremely go up to produce V -In capacitor C 3" one " extremely go up to produce.V is the dc power supply voltage of switch vibration inverter circuit, the V of voltage V +End connects resistance R 2An end, R 2The other end and diode D 3Positive pole and diac DB 3An end and capacitor C 4An end be connected described capacitor C 4The other end and the V of voltage V -End is connected, above-mentioned diode D 3Negative pole and triode VT 2Collector electrode and resistance R 3An end, higher-order of oscillation transformer T 2Coil n 11. end, coil n 22. end, resistance R 7An end, capacitor C 5An end be connected described resistance R 7The other end and capacitor C 5The other end be connected after again with capacitor C 6An end, triode VT 1Collector electrode be connected after, be connected voltage V and V +End.The above diac DB 3The other end and triode VT 2Base stage and resistance R 6An end be connected.Described triode VT 2Emitter and resistance R 5An end be connected resistance R 5The other end and the V of voltage V -End and higher-order of oscillation transformer T 2Coil n 31. end be connected coil n 32. end and the above resistance R 6The other end be connected.The above higher-order of oscillation transformer T 2Coil n 21. end connect resistance R 4An end, resistance R 4The other end and triode VT 1Base stage be connected triode VT 1Emitter and the above resistance R 3The other end link to each other.Higher-order of oscillation transformer T 2Coil n 12. end and inductance coil L 31. end be connected inductance coil L 32. end and pulse transformer T 3Primary coil N 11. end be connected primary coil N 12. end and the above capacitor C 6The other end be connected.Higher-order of oscillation transformer T 2Three coil n 1, n 2, n 3, coil n wherein 2With coil n 3Two-wire and be d=5.5mm for the D=10mm internal diameter around external diameter, on the magnet ring of height H=5 (manganese-zinc ferrites of magnetic permeability mu=2000), coil n 1Also on magnet ring.Coil n 11. end, n 21. end, n 31. end be end of the same name (initiating terminal).Pulse transformer T 3Primary coil N 1With secondary coil N 2On the skeleton of E-6 magnetic core.Earlier around N 1=300 circles, line are through 0.37mm, at coil N 1Add behind the insulating barrier (two layers of two layers of blue or green shell insulating papers and inferior peace film or mylars) coiling N again 2=40 circles are by four strands of doubling coileds of line footpath 0.37mm.Secondary coil N again 2Add around two layers of mylars and dipping lacquer and handle.Magnetic core E-6 is a manganese-zinc ferrite, magnetic permeability mu=2000.
Resistance R in Fig. 1 2, capacitor C 4, diode D 3, diac DB 3Formation is to the start-up circuit of switch oscillating circuit, and V passes through resistance R when voltage 2To capacitor C 4During charging, C 4On voltage progressively raise, until making C 4Power on and reach diac DB 3Breakover voltage the time (conducting voltage) diac DB 3Conducting, capacitor C 4Stored electric charge is by diac DB 3With triode VT 2Base stage to emitter and resistance R 5Discharge produces VT 2Base current, this moment voltage V V +End passes through capacitor C 6, through pulse transformer T 3Primary coil N 1Through inductance coil L 3, through higher-order of oscillation transformer T 2Coil n 1With through triode VT 2Collector electrode to emitter, after resistance R 5V to voltage V -End is to capacitor C 6Charging, and on foregoing circuit, produce electric current.Meanwhile because higher-order of oscillation transformer T 2Coil n 1, n 2, n 3Mutual feedback, make triode VT 2By beginning conducting very near saturated, while triode VT 1To reliably ending.Because voltage V is to capacitor C 6The electric current of charging is descending, at this moment at the coil n of higher-order of oscillation transformer 1, n 2, n 3Mutual feedback under, make triode VT again 1Become conducting by ending, and very near saturated, while triode VT 2By saturated very near ending.At triode VT 1During conducting, capacitor C 6Last charge stored is in capacitor C 6An end (same V +End) by triode VT 1Collector electrode to emitter, through resistance R 3, become device T through the higher-order of oscillation 2Coil n 1, through inductance coil L 3, after pulse transformer T 3Primary coil N 1To capacitor C 6The other end discharge.The variation that replaces like this is just at pulse transformer T 3Primary coil on produce alternating voltage.At triode VT 2Be saturated to and end and triode VT 1By by the end of conducting (or at triode VT 1End and triode VT by being saturated to 2By by the end of conducting) moment because pulse transformer T 3Primary coil N 1With inductance coil L 3Self induction electromotive force act on by capacitor C 6With primary coil N 1With inductance coil L 3Higher-order of oscillation transformer T 2Coil n 1Two ends (the C that is connected in series 6The other end with the V of voltage V +End and coil n 11. end), produce spike voltage, the resistance R that is connected in parallel 7And C 5Be connected to reduce the amplitude of spike voltage, with protection triode VT with above-mentioned two ends 1And VT 2In foregoing circuit, inductance coil L 3With pulse transformer T 3Primary coil N 1Acting in conjunction functions as follows circuit: 1. power export-restriction; 2. maximum current export-restriction; 3. the correction of waveform (square wave that will vibrate is modified to sinusoidal wave).In above-mentioned oscillating circuit, select C 6: 47n, 400V, C 5: 2200p, 1000V, inductance coil L 3: inductance value 8mH, pulse transformer T 3Primary coil N 1At secondary coil N 2When non-loaded, primary coil N 1Inductance value: 40mH～70mH, at secondary coil N 2During two terminal shortcircuits, primary coil N 1Inductance value: 2.0mH～2.5mH.Like this in oscillating circuit when non-loaded the switch frequency of oscillation be: 1KHZ～2KHZ, the switch frequency of oscillation is when load is arranged: 20KHZ～60KHZ.Pulse transformer T 3Primary coil N 1The vibration alternating voltage by pulse transformer T 3At secondary coil N 2Two ends produce the alternation low-voltage, through bridge rectifier QL 2Rectification is by the J of 12V direct current relay J 1The normally-closed contact of contact sets is through resistance R 8, diode D 4, resistance R 9, light-emitting diode D 5(LED), give battery pack (series connection: E * n) charge through the 1. end of three-plug connector CZ to 2. holding.
In Fig. 1 by the resistance R 15And resistance R 16After the series connection, resistance R 15The other end (series connection: E * n) positive electrical is connected, resistance R by three-plug connector CZ and battery pack 16Other end ground connection, the tie point of two resistance series connection are that (the voltage sampling point of series connection: E * n) to guarantee sampling point voltage V1, is not more than+12V voltage battery pack.V1=24V·R 16/(R 15+R 16)＜12V。By resistance R 17, R 18, R 19, R 20, capacitor C 14, C 15Operational amplifier IC-1 forms the voltage low pass filter.Its 1st pin output voltage at operational amplifier IC-1 is V2=-V1R 18/ R 17, by resistance R 23～R 32And toggle switch K 1, K 2Constitute 9 charging voltage benchmark.(series connection: E * n) or lead accumulator voltage are the charging voltage benchmark V3=-12VR of 24V to battery pack 24/ (R 23+ R 24).As toggle switch K 1K 1-1During connection; Charging voltage benchmark V4=-12V/[R for the 1.2V battery 23/ R 25R 24/ (R 25+ R 24)+1] calculate K by that analogy 1-2～K 1-4The charging voltage benchmark of the 1.2V battery of corresponding respectively 2 joints, 4 joints, 6 joint series connection.K 2-1, K 2-2The charging voltage benchmark of respectively corresponding zinc-manganese dioxide dry cell 2 joints, 4 joint series connection.K 2-3, K 2-4Corresponding respectively lead holds the charging voltage benchmark of 6V, 12V.By operational amplifier IC-2, resistance R 22Form hysteresis loop comparator circuit, resistance R 23～R 32Points of common connection connect the 5th pin and the resistance R of operational amplifier IC-2 22An end, resistance R 22The other end be connected with the 7th pin of IC-2 and be connected resistance R 21An end, the 1st pin of operational amplifier IC-1 is connected with the 6th pin of IC-2.Should be in the time guaranteeing that IC-2 becomes the hysteresis loop comparator circuit with R 22Choosing resistance should be big as far as possible.By resistance R 21, triode VT 4, diode D 10, 12V direct current relay J constitutes the main charging of charging circuit or the control circuit of trickle charge.As mentioned above: in higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit, comprise by the alternating current 220V power supply through bridge rectifier QL 1Rectification and through capacitor C 3The direct voltage V=V that produces after the filtering +-V -, and by the V of voltage V +End is docile and obedient the preface capacitor C that is connected in series 6, pulse transformer T 3Primary coil N 1(by N 12. end to 1. the end), inductance coil L 3(by L 32. end to 1. the end), higher-order of oscillation transformer T 2Coil n 1(by n 12. end to 1. the end), triode VT 2Collector electrode to emitter, resistance R 5V to voltage V -Capacitor C in the switch oscillating circuit that is connected in series that end constitutes 6The charging major loop (by higher-order of oscillation transformer T 2Coil n 32. end be docile and obedient the preface resistance R that is connected in series 5, triode VT 2Base stage point emitter, resistance R 5To coil n 31. end constitute triode VT 2Base stage bias current loop) with by capacitor C 6One end (same V +End) is docile and obedient the preface triode VT that is connected in series 1Collector electrode to emitter, resistance R 3, higher-order of oscillation transformer T 2Coil n 1(by n 11. end to 2. the end), inductance coil L 3(by L 31. end to 2. the end), pulse transformer T 3Primary coil N 1(by N 11. end to 2. end) to capacitor C 6The switch oscillating circuit that is connected in series that constitutes of the other end in capacitor C 6The discharge major loop (by higher-order of oscillation transformer T 2Coil n 21. end be docile and obedient the preface resistance R that is connected in series 4, triode VT 1Base stage to emitter, resistance R 3To coil n 22. end constitute triode VT 1Base stage bias current loop), it is characterized in that: capacitor C in by the switch oscillating circuit that is connected in series 6The charging major loop and by capacitor C in the switch oscillating circuit that is connected in series 6The common higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit that constitutes of discharge major loop, in this circuit, inserted pulse transformer T 3, in capacitor C 6An end (be different from and V +The end that end is connected) connects pulse transformer T 3Primary coil N 12. end, again by primary coil N 11. end connect inductance coil L 32. end, at pulse transformer T 3Inferior coil N 21. end be connected bridge rectifier QL respectively with 2. end 2Two ac input ends, at bridge rectifier QL 2"+" extremely go up to connect J of 12V direct current relay J 1Contact sets common port 1., pass through J 1Normally-closed contact 2. hold the connection resistance R 8An end and resistance R 9An end, resistance R 8The other end connect diode D 4Positive pole, above-mentioned resistance R 9The other end connect light-emitting diode D 5Positive pole, diode D 4Negative pole and light-emitting diode D 5Negative pole connect the 1. end of three-plug connector CZ, the contact sets J of above-mentioned 12V direct current relay J after being connected again 1Normally opened contact 3. hold the connection resistance R 10An end and resistance R 11An end and capacitor C 7An end, above-mentioned resistance R 10The other end connect diode D 6Positive pole, above-mentioned resistance R 11The other end connect light-emitting diode D 7Positive pole, diode D 6Negative pole and light-emitting diode D 7Negative pole be connected the back with triode VT 3Collector electrode be connected and connect resistance R 12An end, resistance R 12The other end connect triode VT 3Base stage, triode VT 3Emitter and above-mentioned capacitor C 7The other end be connected the 1. end of three-plug connector CZ after being connected again, 1. described three-plug connector CZ holds by (positive electrical of series connection: E * n) is connected, and described battery pack (is connected: negative pole and the bridge rectifier QL of E * n) with the 2. end of its electrical connection and battery pack 2"-" utmost point be electrically connected bridge rectifier QL 2"-" utmost point ground connection, the 3. end ground connection of above-mentioned three-plug connector CZ.
In circle only draws Fig. 1 in 2 to battery pack (the main live part of series connection: E * n), take down among Fig. 1 power transformer B and ± power circuit of 12V and 9 charging voltage benchmark, the battery pack (sampling voltage of series connection: E * n) and low-pass filter circuit, hysteresis loop comparator circuit, the battery pack (control circuit of main charging of series connection: E * n) and trickle charge; And take down to battery pack (series connection: E * n) electric elements of trickle charge (promptly take down resistance R 10, R 11, R 12, diode D 6, light-emitting diode D 7, triode VT 3, capacitor C 7In Fig. 2 owing to there is not the J of 12V direct current relay J 1Contact sets.So with the J among Fig. 1 11. the normal-closed end of contact sets is held to 2. holding, and connects with line in Fig. 2.The same among components and parts in Fig. 2 and label and Fig. 1.
The battery of making according to Fig. 2 circuit theory diagrams, lead accumulator universal charger or with (the series connection: E * n) take down of the battery pack among Fig. 2, only by three-plug connector CZ and two core plug external connection battery group, the battery of Zhi Zuoing, lead accumulator charger volume are little, easy to carry like this, and price is low.Just battery pack (when series connection: E * n) or lead accumulator charging, is being held the palm charging interval by the end user, with anti-overcharge.The charger of this pattern, be specially adapted to the (charging of series connection: E * n) of zinc-manganese dioxide dry cell group, the new zinc-manganese dioxide dry cell of buying of user, the zinc-manganese dioxide dry cell that has is because time of making the product possibility is long, or keeping is not good at, the self discharge of battery makes battery capacity descend, and therefore the zinc-manganese dioxide dry cell of buying back carries out the charging of short time earlier in time spent not, better keeps battery performance.Particularly suitable is to the charging of No. 7 batteries in the beeper.
The selecting for use of main components and parts in Fig. 1 and Fig. 2:
Diode D 1, D 3: 1N4007; Light-emitting diode D 2, D 5, D 7: LED φ 3 or φ 5;
Diode D 4, D 6: 1N4004; Diode D 8, D 9, D 10: switching diode 1N4148;
Diac DB 3: breakover voltage (being conducting voltage) 16V～30V;
Full-bridge rectifier QL 1: 400V, 1A; Full-bridge rectifier QL 2, QL 3: 100V, 1A;
Triode VT 1, VT 2: 2CS2611, withstand voltage 400V; Triode VT 3: 2CS2611 adds radiator; Triode VT 4: 8050; Operational amplifier IC-1, IC-2:NE5532P; Power transformer B:2W; 12V direct current relay J:JQX-15F-DC12V;
For the big electric current of needs to battery pack (when series connection: E * n) or lead accumulator charging, should be with bridge rectifier QL 1, QL 2Diode D 4, D 6Triode VT 1, VT 2, VT 312V direct current relay J; High frequency choke coil T 1, inductance coil L 3Three-plug connector CZ etc. selects the element of big electric current.As triode VT 1, VT 2, VT 3Choosing: MEJ13005; Inductance coil L 3Strengthen winding wire line footpath, inductance value is constant; Pulse transformer T 3Magnetic core strengthens winding wire line footpath as selecting E-10, and other electrical parameter is constant.And the electrical equipment original paper of will being correlated with, particularly resistor power change, and can realize battery, the lead accumulator universal charger of big electric current.

Claims (1)

  1. A kind of battery, lead accumulator universal charger, to battery pack (series connection: E * n) or in the lead accumulator charging circuit main circuit comprise: by the alternating current 220V power supply through bridge rectifier QL 1Rectification and through capacitor C 3The direct voltage V=V that produces after the filtering +-V -, by resistance R 2, capacitor C 4, diode D 3, diac DB 3The start-up circuit that constitutes is by the V of voltage V +End is docile and obedient the preface capacitor C that is connected in series 6, pulse transformer T 3Primary coil N 1(by N 12. end to 1. the end), inductance coil L 3(L 32. end to 1. the end) higher-order of oscillation transformer T 2Coil n 1(by n 12. end to 1. the end), triode VT 2Collector electrode to emitter, resistance R 5V to voltage V -Capacitor C in the switch oscillating circuit that is connected in series that end constitutes 6The charging major loop (by higher-order of oscillation transformer T 2Coil n 32. end be docile and obedient the preface resistance R that is connected in series 6, triode VT 2Base stage to emitter, resistance R 5To coil n 31. end constitute triode VT 2Base stage bias current loop), by capacitor C 6One end (same V +End) with the triode VT that is connected in series in proper order 1Collector electrode to emitter, resistance R 3, higher-order of oscillation transformer T 2Coil n 1(by n 11. end to 2. the end), inductance coil L 3(by L 31. end to 2. the end), pulse transformer T 3Primary coil N 1(by N 11. end to 2. the end), to capacitor C 6The switch oscillating circuit that is connected in series that constitutes of the other end in capacitor C 6The discharge major loop (by higher-order of oscillation transformer T 2Coil n 21. end be docile and obedient the preface resistance R that is connected in series 4, triode VT 1Base stage to emitter, resistance R 3To coil n 22. end constitute triode VT 1Base stage bias current loop), by pulse transformer T 3Secondary coil N 2, bridge rectifier QL 2, 12V direct current relay factory J 1Contact sets normally-closed contact, resistance R 8, R 9, diode D 4, light-emitting diode D 5, three-plug connector CZ, battery pack (series connection: E * n) constitute (the main charging circuit of series connection: E * n) is by bridge rectifier QL to battery pack 2, 12V direct current relay J J 1The normally opened contact of contact, resistance R 10, R 11, diode D 6, light-emitting diode D 7, resistance R 12, triode VT 3, capacitor C 7, (series connection: E * n) constitutes that (trickle charging circuit of series connection: E * n) is characterized in that: capacitor C in by the switch oscillating circuit that is connected in series to battery pack for socket CZ, battery pack 6The charging major loop and by capacitor C in the switch oscillating circuit that is connected in series 6The common higher-order of oscillation transformer feedback series connection push-pull type switch oscillating circuit that constitutes of discharge major loop, in foregoing circuit; Inserted pulse transformer T 3Pulse transformer T 3Primary coil N 12. end be connected capacitor C 6An end (being different from an end that is connected with V+ end), primary coil N 11. end be connected inductance coil L 32. end, at pulse transformer T 3Secondary coil N 21. end be connected bridge rectifier QL respectively with 2. end 2Two ac input ends, at bridge rectifier QL 2"+" extremely go up to connect J of 12V direct current relay J 11. the common port of contact sets passes through J 1Normally-closed contact 2. hold the connection resistance R 8An end and resistance R 9An end, resistance R 8The other end connect diode D 4Positive pole, above-mentioned resistance R 8The other end connect light-emitting diode D 5Positive pole, diode D 4Negative pole and light-emitting diode D 5Negative pole be connected after, connect the 1. end of three-plug connector CZ, the contact sets J of above-mentioned 12V direct current relay J again 1Normally opened contact 3. hold the connection resistance R 10An end and resistance R 11An end and capacitor C 7An end, above-mentioned resistance R 10The other end connect diode D 5Positive pole, above-mentioned resistance R 11The other end connect light-emitting diode D 7Positive pole, diode D 5Negative pole and light-emitting diode D 7Negative pole be connected the back with triode VT 3Collector electrode be connected and connect resistance R 12An end, resistance R 12The other end connect triode VT 3Base stage, triode VT 3Emitter and above-mentioned capacitor C 7The other end be connected the 1. end of three-plug connector CZ after being connected again, 1. described three-plug connector CZ holds that (positive electrical of series connection: E * n) is connected, and described battery pack (is connected: negative pole and the bridge rectifier QL of E * n) by the 2. end that is electrically connected with 1. end and battery pack 2" one " utmost point be electrically connected bridge rectifier QL 2" one " utmost point ground connection, the 3. end ground connection of above-mentioned three-plug connector CZ.
CN 00226331 2000-04-26 2000-04-26 Common charger for battery and lead accumulator Expired - Fee Related CN2420772Y (en)

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CN 00226331 CN2420772Y (en) 2000-04-26 2000-04-26 Common charger for battery and lead accumulator

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CN 00226331 CN2420772Y (en) 2000-04-26 2000-04-26 Common charger for battery and lead accumulator

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CN2420772Y true CN2420772Y (en) 2001-02-21

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CN 00226331 Expired - Fee Related CN2420772Y (en) 2000-04-26 2000-04-26 Common charger for battery and lead accumulator

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384053C (en) * 2004-04-05 2008-04-23 四川德先科技有限公司 High-efficient self-adaption charging system
RU2621694C2 (en) * 2015-07-01 2017-06-07 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Method for operating nickel-hydrogen accumulator batteries of aircraft electric power system
CN109204060A (en) * 2018-09-11 2019-01-15 河南森源鸿马电动汽车有限公司 A kind of battery of electric vehicle group safety control

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384053C (en) * 2004-04-05 2008-04-23 四川德先科技有限公司 High-efficient self-adaption charging system
RU2621694C2 (en) * 2015-07-01 2017-06-07 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Method for operating nickel-hydrogen accumulator batteries of aircraft electric power system
RU2621694C9 (en) * 2015-07-01 2017-11-09 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Method for operating nickel-hydrogen accumulator batteries of aircraft electric power system
CN109204060A (en) * 2018-09-11 2019-01-15 河南森源鸿马电动汽车有限公司 A kind of battery of electric vehicle group safety control
CN109204060B (en) * 2018-09-11 2022-05-17 河南森源鸿马电动汽车有限公司 Safety control device for battery pack of electric vehicle

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