CN2257630Y - Universal multifunction automatic charger - Google Patents
Universal multifunction automatic charger Download PDFInfo
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- CN2257630Y CN2257630Y CN 95242152 CN95242152U CN2257630Y CN 2257630 Y CN2257630 Y CN 2257630Y CN 95242152 CN95242152 CN 95242152 CN 95242152 U CN95242152 U CN 95242152U CN 2257630 Y CN2257630 Y CN 2257630Y
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Abstract
The utility model relates to a universal multifunction automatic charger; an output end of voltage stabilization of a power circuit [1] is respectively connected with a reference voltage circuit [2], a control circuit [3] and a detection circuit [5]; the other path of half wave or full-wave rectification output is connected with a power circuit [4] and a battery [6]; the reference voltage for charging of the reference voltage circuit [2] can be exported to the control circuit [3]; compared with sent voltage of the battery [6], the control signal of the control circuit [3] can be exported to the power circuit [4]; the detection circuit [5] can be connected with the battery [6] through a converting switch K1. The utility model has simple structure and convenient operation. The utility model can automatically control the charging or charging stop of the battery; the utility model can also long-term work without maintenance; wasted energy of the self-discharge of the battery can be automatically supplied; the utility model can test the electric storage situation for the battery, capability for bearing light and heavy load, exploitability of old batteries, etc.
Description
The utility model belongs to charging device, particularly a kind of functional universal automatic charger.
At present, the charger kind of Chu Shouing is numerous and diverse on the market, multi-size, but just say on its principle, nothing more than being two kinds of constant voltage charge and constant current charges.But great majority do not possess measuring ability, even measuring ability is arranged, only are battery is carried out qualitative detection yet.Therefore, with such charger charging, can't know whether battery substitutes the bad for the good, and when can substitute the bad for the good, and which kind of load the battery after more can't confirming to charge can bear.
The purpose of this utility model provides a kind of simple in structure, easy to use, general automatic charger that function is more complete, it can not only control automatically to battery charge or stop the charging, can there be maintenance work for a long time again, automatically replenish the energy of self-discharge of battery loss, and can also be to the storage electricity situation of battery, bear light or the ability of heavy load, the aspects such as utilizability of used batteries detect.
The purpose of this utility model is achieved by the following technical solution:
In the charger of forming by power circuit [1], reference voltage circuit [2], control circuit [3], power circuit [4], testing circuit [5] and battery [6], the output end of pressure-stabilizing of power circuit [1] joins with reference voltage circuit [2], control circuit [3] and testing circuit [5] respectively, supply with their stable operating voltages, battery [6] is sent in another road half-wave of power circuit [1] or full-wave rectification output behind power circuit [4], make charge power supply; Reference voltage circuit [2] output charging reference voltage is to control circuit [3], the voltage ratio of sending here with battery [6] after, control circuit [3] outputs control signals to power circuit [4]; Testing circuit [5] joins by change over switch K1 and battery [6].
Fig. 1 is an electric functional-block diagram of the present utility model.
Fig. 2 a is that halfwave rectifier power circuit of the present utility model is formed and electrical schematic diagram.
Fig. 2 b is that full-wave rectifier power supply circuit of the present utility model is formed and electrical schematic diagram.
Fig. 3 a is that reference voltage circuit of the present utility model is formed and electrical schematic diagram.
Fig. 3 b is that control circuit of the present utility model is formed and electrical schematic diagram.
Fig. 3 c is that power circuit of the present utility model is formed and electrical schematic diagram.
Fig. 4 is that testing circuit of the present utility model is formed and electrical schematic diagram.
Fig. 5 is that the circuit of the utility model embodiment is formed and electrical schematic diagram.
Be described in further detail the technical solution of the utility model and operation principle below in conjunction with accompanying drawing.
Shown in Fig. 2 a, power circuit [1] is by transformer B, rectifier diode D1, D2, and resistance R 1, R2, R3, capacitor C 1, C2, C3 and pressurizer IC1 form.The input termination 220V AC power of transformer B, one of its output end ground connection, a branch road of the other end is through diode D1 halfwave rectifier, one end of capacitor C 1, resistance R 1, one end of capacitor C 2 links to each other with the input 2 of pressurizer IC1, the ripple characteristics of capacitor C 2 these input voltages of control, the control end 1 of IC1 passes through R2, R3 regulates output voltage, R2 links to each other with the output 3 of IC1, the other end ground connection of R3, output after the output 3 of IC1 links to each other with an end of capacitor C 3, capacitor C 1, C2, the other end ground connection of C3, adjust resistance R 2, R3 just can obtain different output voltage values, the instantaneous property of capacitor C 3 control IC 1 output voltage, thereby obtain a stable output voltage V cc, respectively with the resistance 6 of reference voltage circuit [2], IC2 in the control circuit [3], resistance R 27～the R31 of testing circuit [5] links to each other, as reference voltage circuit [2], the operating voltage of IC2 and testing circuit [5], another road output of transformer B is connected in series with anode and the resistance R 20 of the red light emitting diodes LED1 of power circuit [4] by the A point through the negative electrode of diode D2, as the charge power supply to battery [6] charging.Shown in Fig. 2 b, the rectifying part of power circuit [1] also can adopt way of full-wave rectification, D3～D6 forms rectifier bridge by diode, its input is connected with the output of transformer B, output one end ground connection, the other end are connected with the anode of diode D1 and link to each other with power circuit [4] through the A point as charge power supply output simultaneously.
Shown in Fig. 3 a, reference voltage circuit [2] is by divider resistance R4, R5, R6, two-way change over switch K5, and red light emitting diodes LED9 and green LED LED10 and resistance R 38 are formed.Wherein R6 links to each other with the output end of pressure-stabilizing of power circuit [1], and the other end of R6 links to each other with the transit point and the R5 of K switch 5 respectively, and the other end of R5 links to each other with another transit point of K switch 5, and by R4 ground connection.The operating voltage V that sends here from power circuit [1]
CcAfter divider resistance R4, R5, R6 dividing potential drop,, can obtain the charging reference voltage V of different value by K switch 5 conversions
REF, the resistance R 12 in control circuit [3] and with this circuit in the in-phase input end 9 of integrated circuit voltage comparator (1/4IC2) join, to satisfy the charging requirement of all kinds battery.The end ground connection of red light emitting diodes LED9 and green LED LED10, the interlock transit point of the other end by K5 is through current-limiting resistance R38, A point and with the half-wave of power circuit [1] or full-wave rectification is defeated is connected by end, makes power supply indicator and battery variety indicator light usefulness.
Shown in Fig. 3 b, control circuit [3] is made up of resistance R 9, R12, R39 and voltage comparator (1/4 IC2).Voltage comparator and resistance R 9, R12 in the integrated circuit (IC) 2 constitute Schmidt trigger circuit, the other end of R12 links to each other with K switch 5, the reversed-phase output of a voltage comparator among the IC2 links to each other with K switch 1, resistance R 39 1 ends link to each other with the output end of pressure-stabilizing Vcc of power circuit [1], the other end is connected with the output 14 of IC2 voltage comparator, and IC2 also links to each other and ground connection with the output end of pressure-stabilizing of power circuit [1] respectively.The V that sends here from reference voltage circuit [2]
REFBe input to the in-phase input end 9 of a voltage comparator among the IC2 through resistance R 12, the voltage that takes out battery [6] by K switch 1 is input to the inverting input 8 of comparator, to realize cell voltage and reference voltage V
REFCompare.The inverting input 8 of 1/4 IC2 also links to each other with the emitter of triode BG1 in the power circuit [4], and 14 of its outputs link to each other with the base stage of BG1 through resistance R 10.Resistance R 10, R39 all play metering function.Adjust or choose the R9 and the R12 of different resistances, can limit the upper and lower limit magnitude of voltage that is recharged battery, battery [6] is charged or stop charging with power controlling circuit [4].So-called upper voltage limit value is meant the final voltage when being recharged battery is full of, and the lower voltage limit value is meant the preservation voltage under the battery open-circuit condition.As adjustable resistance R9, R12, the voltage that limits the Ni-Cd battery is 1.25V～1.45V, and the voltage of alkaline Zn-Mn battery is 1.45V～1.65V etc.In charging process, when if the voltage of battery [6] is lower than its lower voltage limit value (is 1.25V as the Ni-Cd battery), the voltage of the inverting input 8 of voltage comparator just is lower than the voltage of in-phase input end 9 among the IC2, and output 14 is a high level, thereby power controlling circuit [4] charges to battery [6].And along with the carrying out of charging, when the voltage of battery [6] reaches its upper voltage limit value (is 1.45V as the Ni-Cd battery), the voltage of the inverting input 8 of voltage comparator just is higher than the voltage of in-phase input end 9, and output 14 is a low level, and power controlling circuit [4] stops battery [6] is charged.
Shown in Fig. 3 c, power circuit [4] is made up of a NPN type power tube or Darlington transistor BG1, resistance R 10, R19, R20 and red light emitting diodes LED1.Wherein the base stage of triode BG1 links to each other by the output of the IC2 voltage comparator in R10 and the control circuit [3], emitter links to each other with the inverting input of IC2 voltage comparator in the control circuit [3], and join through the positive pole of change over switch K1 and battery [6], the collector electrode of BG1 links to each other with the half-wave or the full-wave rectification output of power circuit [1] through the A point with LED1 by R20 and by R19, and R20 wherein is used to limit the size of charging current.When the output 14 of voltage comparator in the control circuit [3] is high level (when battery [6] voltage is lower than its lower voltage limit value), power tube BG1 conducting, the pulsation charging current of coming from power circuit [1] flows into battery [6], red light emitting diodes LED1 lights simultaneously, and the expression charging is carried out.Resistance R 19 plays protection LED1.When the output of voltage comparator in the control circuit [3] is low level (when battery [6] voltage has been charged to its upper voltage limit value), power tube BG1 ends, and charging current can not flow into battery, and LED1 extinguishes simultaneously, and the expression charging stops.
Fig. 3 b, Fig. 3 c are at filling a cover control circuit and a power circuit that battery is required.The charger designed according to different instructions for uses, it can fill several batteries simultaneously just should have several covers to form and identical power circuit of principle and control circuit mutually, and these several covers control and power circuit works alone at the battery that is filled separately, do not disturb mutually.But and do not require that they work simultaneously, when even charger can fill n battery at most, can be in the use arbitrarily to 1～n battery charge.
As shown in Figure 4, testing circuit [5] is made up of integrated circuit (IC) 3 (including four voltage comparators), resistance R 27～R37, orange luminescence diode (LED) 5～LED8.Wherein the output end of pressure-stabilizing of power circuit [1] respectively in R27 and LED5, R28 and EDL6, R29 and LED7, R30 and LED8 and IC3 the output of four corresponding voltage comparators link to each other; also after R31～R34 dividing potential drop, link to each other with the in-phase input end of four voltage comparators among the IC3; again through R35 ground connection, resistance R 27～R30 plays each light-emitting diode of protection respectively afterwards.The inverting input of four voltage comparators links to each other with another contact of change over switch K1 through the B point among the IC3.R37 forms parallel circuits by K switch 6 and R36, and this circuit one end connects conversion K switch 1 through the B point, other end ground connection, and resistance R 36, R37 are the load resistance of simulated battery load, the conversion when K switch 6 realizes the different load detection.When K switch 6 disconnects, resistance R 36 simulation light loads, can detect the ability that battery [6] bears light load this moment; When K switch 6 is closed, resistance R 36 with simulate heavy load after R37 is in parallel, can detect the ability that battery [6] bears heavy load at this moment.The operating voltage Vcc that sends here from power circuit [1] is after resistance R 31～R35 dividing potential drop, be input to four in- phase input ends 5,7,9,11 of IC3 respectively, reference voltage as a comparison, and the positive pole of battery to be detected [6] through K switch 1 conversion after B point and resistance R 36, R37 are in parallel, its voltage inputs to four inverting inputs 4,6,8,10 among the IC3 simultaneously, compares with the reference voltage of in-phase input end.When the voltage behind the battery bringing onto load reached the benchmark voltage of one or several voltage comparator in-phase input end among the IC3, this voltage comparator output was low level, made pairing orange luminescence diode current flow and was lighted.Therefore, four light-emitting diodes lighted what just shown detected battery [6] electric weight what.It is that three of LED5～LED7 light that this circuit can be designed to the Ni-Cd battery, is that four of LED5～LED8 light the electric weight abundance of representing tested battery [6] to alkalescence or common Zn-Mn battery, can bear selected burden requirement.
This testing circuit [5] not only can under the various states (charging, with after a while, place for a long time etc.) battery detect, also can judge the true and false of battery, as with the counterfeit Ni-Cd battery of alkaline Zn-Mn battery, because of its voltage often greater than 1.5V, can make four light-emitting diodes bright entirely during detection, also can identify, though can not bear heavy load as certain battery to the utilizability of used batteries, but perhaps also can bear light load, its potential is fully utilized.
The number of control circuit of the present utility model [3], power circuit [4] and battery [6] can be 1, also can be a plurality of, and testing circuit [5] can be 1, also can be a plurality of.Integrated circuit four voltage comparators can be 1, also can be a plurality of, and can be by formula: detect the series of products that indicator light number=4n (n is the number of integrated circuit four voltage comparators, n 〉=1) constitutes multiple combination in rechargeable battery sum+testing circuit.
The utility model can begin charging automatically, stops charging automatically and changes storage state over to, can be to polytype and plurality of specifications (1 such as Ni-Cd, Ni-H, alkaline Zn-Mn and common Zn-Mn
#, 2
#, 5
#, 7
#) battery charge, can detect the charge condition that is recharged battery at any time and bear ability light, heavy load, also can align in use simultaneously, the long-term battery under the multiple situation such as back and the utilizability of used batteries etc. of placing detect.
As shown in Figure 5, embodiment of the present utility model adopts two four voltage comparators to constitute four batteries are charged separately respectively and make to detect the multi-functional automatic charger of indicating with four orange luminescence diodes when under light, heavy load each battery being detected separately respectively.
Because the rechargeable battery number of the utility model embodiment is four, therefore control circuit and power circuit wherein just has and Fig. 3 b, the identical quadruplet of Fig. 3 c, and its composition is: integrated circuit (IC) 2 and resistance R 7, R9, R11, R12, R13, R14, R16, R18, R39～R42 constitute four control circuits; Power tube BG1～BG4, red light emitting diodes LED1～LED4 and resistance R 8, R10, R15, R17, R19～R26 constitute four power circuits, add and four K switch 1～K4 that battery is corresponding.Remaining power circuit, reference voltage circuit, testing circuit and aforementioned just the same.IC1 wherein can select the integrated circuit voltage regulator of 317 or 7800 series for use, and IC2 and IC3 can select 339 type integrated circuits, four voltage comparators for use.
The embodiment that uses the utility model is during to battery charge, and energized is lighted one of among LED 9 and the LED10, then according to the cell types to be charged corresponding toggle switch K5 that determines whether with the indicator light that lights whether.During to the Ni-Cd battery charge, should be that green indicating lamp LED10 lights; And during to the Zn-Mn battery charge, should be that red led LED9 lights, if not corresponding, then must make its correspondence by toggle switch K5.On the battery folder of battery case of just rechargeable battery can being packed into this moment, the charging current of pulsing through power circuit to battery charge.The red light emitting diodes of pairing indication charged state is lighted.When battery was full of electricity, control circuit was controlled its power circuit and is stopped battery charge, and the red light emitting diodes of corresponding indication charged state extinguishes.As time goes on, battery capacity reduces because of self-discharge, and when its voltage was reduced to its lower limit, control circuit power controlling circuit began again battery charge, and the red light emitting diodes of indication charged state lights again.This moment, red light emitting diodes (charging indicator light) sudden strain of a muscle one phenomenon of going out appearred in regular meeting, showed that battery is in full state soon.
Present embodiment describes in detail in the testing circuit in front to the detection of battery, and but, the reset switch that its sense switch K1～K4 also can be used as quick charge uses.Use if be not eager after certain battery is substituted the bad for the good and the long period does not take off from battery folder, and its charging lower voltage limit value is when transferring lowly, then battery will be reduced to lower lower voltage limit because of himself discharge.Need again to use this battery when this moment, just can connect the charger power supply, select the heavy load state and press corresponding sense switch, charger charges to this battery immediately, just can take off use after the abundance at once.
Claims (9)
1. functional universal automatic charger, by power circuit [1], reference voltage circuit [2], control circuit [3], power circuit [4], testing circuit [5] and battery [6] are formed, the output end of pressure-stabilizing that it is characterized in that power circuit [1] respectively with reference voltage circuit [2], control circuit [3] links to each other with testing circuit [5], another road half-wave or full-wave rectification output link to each other with battery [6] through power circuit [4], reference voltage circuit [2] output charging reference voltage is to control circuit [3], the voltage ratio of sending here with battery [6] after, control circuit [3] outputs control signals to power circuit [4], and testing circuit [5] joins by change over switch K1 and battery [6].
2. functional universal automatic charger according to claim 1, it is characterized in that power circuit [1] is by transformer B, rectifier diode D1, D2, resistance R 1, R2, R3, capacitor C 1, C2, C3 and integrated circuit voltage regulator IC1 form, the input termination civil power of transformer B wherein, one end ground connection of its output, a branch road of the other end is through diode D1, one end of capacitor C 1, resistance R 1, one end of capacitor C 2 links to each other with the input 2 of IC1, the control end 1 of IC1 is by resistance R 2, R3 regulates output voltage, R2 links to each other with the output 3 of IC1, the other end ground connection of R3, Vcc, capacitor C 1 are exported in voltage stabilizing as power circuit [1] after the output 3 of IC1 links to each other with an end of capacitor C 3, C2, the other end ground connection of C3; Another branch road of transformer B output is through diode D2, and its negative electrode links to each other with power circuit [4] as the half-wave output.
3. functional universal automatic charger according to claim 2, the rectifying part that it is characterized in that power circuit [1] also can adopt way of full-wave rectification, it mainly is made up of rectifier bridge D3～D6, the input of the output of transformer B and rectifier bridge D3～D6 joins, the output one end ground connection of rectifier bridge D3～D6, the other end are connected with the anode of diode D1 and link to each other with power circuit [4] as charge power supply output simultaneously.
4. functional universal automatic charger according to claim 1, it is characterized in that reference voltage circuit [2] is by divider resistance R4, R5, R6, two-way change over switch K5, resistance R 38, red light emitting diodes LED9 and green LED LED10 form, wherein R6 links to each other with the output end of pressure-stabilizing of power circuit [1], the other end of R6 links to each other with the transit point and the R5 of K switch 5 respectively, the other end of R5 links to each other with another transit point of K switch 5, and by R4 ground connection, reference voltage circuit [2] charges reference voltages to control circuit [3] by K switch 5 outputs, the end ground connection of LED9 and LED10, the other end links to each other with the half-wave or the full-wave rectification output of power circuit [1] through resistance R 38 by the interlock transit point of K5.
5. functional universal automatic charger according to claim 1, it is characterized in that control circuit [3] is by resistance R 9, R12, R39 and integrated circuit voltage comparator ic 2 are formed, wherein IC2 voltage comparator and resistance R 9, R12 constitutes Schmidt trigger circuit, the other end of R12 links to each other with K switch 5, the reversed-phase output of the voltage comparator of IC2 links to each other with K switch 1, resistance R 39 1 ends link to each other with the voltage stabilizing output Vcc of power circuit [1], the other end is connected with the output of IC2 voltage comparator, and IC2 also links to each other and ground connection with the output end of pressure-stabilizing of power circuit [1] respectively.
6. functional universal automatic charger according to claim 1, it is characterized in that power circuit [4] is by NPN type power tube or Darlington transistor BG1, resistance R 10, R19, R20 and red light emitting diodes LED1 form, wherein the base stage of triode BG1 links to each other by the output of the voltage comparator of the IC2 in R10 and the control circuit [3], emitter links to each other with the inverting input of the voltage comparator of the middle IC2 of control circuit [3], and join through the positive pole of change over switch K1 and battery [6], the collector electrode of BG1 is respectively through R20 and R19, LED1 links to each other with the half-wave or the full-wave rectification output of power circuit [1].
7. functional universal automatic charger according to claim 1, it is characterized in that testing circuit [5] is by integrated circuit voltage comparator ic 3, resistance R 27～R37, orange luminescence diode (LED) 5～LED8 forms, wherein the output end of pressure-stabilizing of power circuit [1] is respectively through R27 and LED5, R28 and LED6, R29 and LED7, the output of four corresponding voltage comparators links to each other among R30 and LED8 and the IC3, also through R31, R32, R33, link to each other with the in-phase input end of four voltage comparators among the IC3 after the R34 dividing potential drop, afterwards again through R35 ground connection, the inverting input of four voltage comparators links to each other with another contact of change over switch K1 among the IC3, R37 forms parallel circuits by K switch 6 with R36, this circuit one termination change over switch K1, other end ground connection.
8. functional universal automatic charger according to claim 1, the quantity that it is characterized in that control circuit [3], power circuit [4], testing circuit [5] and battery [6] can be 1, also can have a plurality of, adopt n integrated circuit four voltage comparators, can constitute the series that detects the multiple combination of indicator light number in rechargeable battery sum and the testing circuit by following formula, be rechargeable battery sum+detection indicator light number=4n, n 〉=1.
9. according to claim 2,5 or 7 described functional universal automatic chargers, it is characterized in that integrated circuit voltage regulator IC1 can be with 317 types or 7800 serial integrated packages, integrated circuit voltage comparator ic 2 and IC3 can be with 339 type integrated packages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95242152 CN2257630Y (en) | 1995-09-14 | 1995-09-14 | Universal multifunction automatic charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95242152 CN2257630Y (en) | 1995-09-14 | 1995-09-14 | Universal multifunction automatic charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2257630Y true CN2257630Y (en) | 1997-07-09 |
Family
ID=33883160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95242152 Expired - Fee Related CN2257630Y (en) | 1995-09-14 | 1995-09-14 | Universal multifunction automatic charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2257630Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101908776A (en) * | 2010-08-20 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Battery charging device |
| CN101917029A (en) * | 2010-06-30 | 2010-12-15 | 濮阳三友电器有限公司 | Display device of battery jar charger |
| CN102636755A (en) * | 2011-11-16 | 2012-08-15 | 李然 | Quick measurement method for charge retention capability of battery |
| WO2013123724A1 (en) * | 2012-02-24 | 2013-08-29 | 中兴通讯股份有限公司 | Quick discharge circuit |
-
1995
- 1995-09-14 CN CN 95242152 patent/CN2257630Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917029A (en) * | 2010-06-30 | 2010-12-15 | 濮阳三友电器有限公司 | Display device of battery jar charger |
| CN101908776A (en) * | 2010-08-20 | 2010-12-08 | 鸿富锦精密工业（深圳）有限公司 | Battery charging device |
| CN102636755A (en) * | 2011-11-16 | 2012-08-15 | 李然 | Quick measurement method for charge retention capability of battery |
| CN102636755B (en) * | 2011-11-16 | 2014-10-29 | 李然 | Quick measurement method for charge retention capability of battery |
| WO2013123724A1 (en) * | 2012-02-24 | 2013-08-29 | 中兴通讯股份有限公司 | Quick discharge circuit |
| US9531251B2 (en) | 2012-02-24 | 2016-12-27 | Zte Corporation | Quick discharge circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |