CN104184174A - Cyclic battery charging and discharging circuit - Google Patents
Cyclic battery charging and discharging circuit Download PDFInfo
- Publication number
- CN104184174A CN104184174A CN201310189966.XA CN201310189966A CN104184174A CN 104184174 A CN104184174 A CN 104184174A CN 201310189966 A CN201310189966 A CN 201310189966A CN 104184174 A CN104184174 A CN 104184174A
- Authority
- CN
- China
- Prior art keywords
- voltage
- pin
- cdq
- charger
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The embodiment of the invention discloses a cyclic battery charging and discharging circuit, which comprises an operational amplifier U1, triodes VT1 and VT2, a transistor D1, a voltage-regulator tube Z, a relay K, a CDQ charger, a battery BT, resistors PR, RL, R1, R2, and R3, and a buzzer SP, wherein the first pin of the U1 is connected with the negative electrode of the Z and one end of the R1; the second pin of the U1 is connected with one end of the PR and one end of the R2; the third pin of the U1 is connected with one end of the R3; the base electrode of the VT1 is connected with the negative electrode of the D1; the collector electrode of the VT1 is connected with the fourth pin of the K, the other end of the R1, the other end of the R2 and one end of the RL; the emitter electrode of the VT1 is connected with one end of the SP; the base electrode of the VT2 is connected with the positive electrode of the D1 and the other end of the R3; and the collector electrode of the VT2 is connected with the other end of the RL. By adopting the cyclic battery charging and discharging circuit of the invention, adjustment can be carried out in view of cutoff voltage of different batteries, current is automatically cut off when the cutoff voltage arrives during the discharging process, an alarm is given, and a test person can be informed to timely record the discharging time.
Description
Technical field
The present invention relates to a kind of charge-discharge circuit, relate in particular to a kind of battery cycle charge-discharge circuit.
Background technology
Lamp lighting is seen everywhere in modern society the inside, and the light fixture using in all trades and professions is all different, and object is all illumination, boosts productivity and workman's production security; But the most important part in light fixture the inside is power supply, battery is more and more extensive as a kind of application of power for subsequent use, the cycle charge discharge electrical property of battery is the important indicator of weighing battery quality, because charging is all with special charger charging, and discharge load discharges with lamp light source, just cannot regulate electric current for different batteries like this, and in discharge process, need tester at any time with monitoring quarter, grab discharge time, testing efficiency is low and tester's fatigue strength is large.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of battery cycle charge-discharge circuit is provided.Can regulate for the cut-ff voltage of different batteries, in discharge process, arrive after cut-ff voltage, automatic cut-off electric current, and send the sound of warning, notify tester to record discharge time in time.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of battery cycle charge-discharge circuit, comprises operational amplifier U1, triode VT1, VT2, transistor D1, voltage-stabiliser tube Z, relay K, CDQ charger, battery BT, resistance PR, RL, R1, R2, R3, buzzer SP; U1 the first pin is connected with Z negative pole and R1 one end respectively; U1 the 2nd pin is connected with PR one end and R2 one end respectively; U1 the 3rd pin is connected with R3 one end; VT1 base stage is connected with D1 negative pole; VT1 collector electrode is connected with K the 4th pin, the R1 other end, the R2 other end and RL one end respectively; VT1 emitter is connected with SP one end; VT2 base stage is connected with D1 positive pole and the R3 other end respectively; VT2 collector electrode is connected with the RL other end; VT2 emitter is connected with power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; K the 1st pin is connected with battery cycle charge-discharge circuit input end one end; K the 2nd pin is connected with CDQ charger input one end; K the 3rd pin is connected with K the 6th pin and BT positive pole respectively; K the 5th pin CDQ charger output head anode connects; The CDQ charger input other end is connected with the battery cycle charge-discharge circuit input end other end.
Further, also comprise fuse FU, voltmeter V, ammeter A; FU one end is connected with K the 4th pin; The FU other end is connected with V one end, R1 one end and A one end respectively; The V other end is connected with VT2 emitter, power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; The A other end is connected with R2 one end, RL one end and VT1 collector electrode respectively.
Further, after the remaining tele-release in BT inside, by upper CDQ charger input K switch S closure, the now K-2 of the K closure of often making war, CDQ charger, after K-2 connects, charges to battery, and the normally closed point of the K-1 of K disconnects simultaneously, and BT back-end circuit disconnects.
Further, BT is full of after electricity, the switch S of K is disconnected, now the K-1 of K is normally closed closed, and K-2 disconnects, and the output of CDQ charger and BT are disconnected, BT discharges, owing to having mixed up resistance according to RP slide rheostat, the voltage of now getting on RP is higher than voltage on Z, and U1 exports high level, arrive VT2 through R3, now VT2 conducting, RL starts electric discharge, and an other circuit arrives VT1 through D1, now because U1 output high level is to D1, D1 input is high level, is output as low level, makes VT1 cut-off; Along with BT voltage electric discharge is when BT voltage drop is when arriving cut-ff voltage, on RP, get voltage just lower than the voltage on Z, now U1 output low level, VT2 disconnects, and RL stops discharging, and voltage is assigned to the input of D1 simultaneously, D1 input is low level, D1 output output high level, makes VT1 conducting, and VT1 conducting after-current reports to the police alarm through SP alarm.
Further, when test, adjust RP according to the size of battery discharge cut-ff voltage, make voltage on RP just lower than the voltage on Z.
Further, electric current reports to the police alarm through SP alarm, and then tester just can record this time period to time of fire alarming according to the time of initial electric discharge, and this time is exactly the time of a circulation electric discharge of battery.
Further, described VT1 model be 8050,9013 or 9014, VT2 model be 8050,9013 or 9014.
Further, described U1 model is LM358, and D1 model is ULN2003.
Implementing the embodiment of the present invention can regulate for the cut-ff voltage of different batteries, in discharge process, arrive after cut-ff voltage, and automatic cut-off electric current, and send the sound of warning, notify tester to record discharge time in time.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 be a kind of battery cycle charge-discharge circuit of the present invention schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, a kind of battery cycle charge-discharge circuit, comprises operational amplifier U1, triode VT1, VT2, transistor D1, voltage-stabiliser tube Z, relay K, CDQ charger, battery BT, resistance PR, RL, R1, R2, R3, buzzer SP; U1 the first pin is connected with Z negative pole and R1 one end respectively; U1 the 2nd pin is connected with PR one end and R2 one end respectively; U1 the 3rd pin is connected with R3 one end; VT1 base stage is connected with D1 negative pole; VT1 collector electrode is connected with K the 4th pin, the R1 other end, the R2 other end and RL one end respectively; VT1 emitter is connected with SP one end; VT2 base stage is connected with D1 positive pole and the R3 other end respectively; VT2 collector electrode is connected with the RL other end; VT2 emitter is connected with power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; K the 1st pin is connected with battery cycle charge-discharge circuit input end one end; K the 2nd pin is connected with CDQ charger input one end; K the 3rd pin is connected with K the 6th pin and BT positive pole respectively; K the 5th pin CDQ charger output head anode connects; The CDQ charger input other end is connected with the battery cycle charge-discharge circuit input end other end.
Also comprise fuse FU, voltmeter V, ammeter A; FU one end is connected with K the 4th pin; The FU other end is connected with V one end, R1 one end and A one end respectively; The V other end is connected with VT2 emitter, power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; The A other end is connected with R2 one end, RL one end and VT1 collector electrode respectively.
When test, adjust slide rheostat RP according to the size of battery discharge cut-ff voltage, make voltage on RP just lower than the voltage on Z, adjust different cut-ff voltages for different batteries, in the time carrying out long-term cycle charge-discharge to a kind of voltage battery if adjust once, after loop test just can adjust again.
After the remaining tele-release in BT inside, by upper CDQ charger input K switch S closure, the now K-2 of the K closure of often making war, CDQ charger, after K-2 connects, charges to battery, and the normally closed point of the K-1 of K disconnects simultaneously, and BT back-end circuit disconnects.
BT is full of after electricity, and the switch S of K is disconnected, and now the K-1 of K is normally closed closed, K-2 disconnects, and the output of CDQ charger and BT are disconnected, and BT discharges, owing to having mixed up resistance according to RP slide rheostat, the voltage of now getting on RP is higher than voltage on Z, and U1 exports high level, arrive VT2 through R3, now VT2 conducting, RL starts electric discharge, an other circuit arrives VT1 through D1, and now, because U1 output high level is to D1, D1 input is high level, be output as low level, make VT1 cut-off; Along with BT voltage electric discharge is when BT voltage drop is when arriving cut-ff voltage, on RP, get voltage just lower than the voltage on Z, now U1 output low level, VT2 disconnects, and RL stops discharging, and voltage is assigned to the input of D1 simultaneously, D1 input is low level, D1 output output high level, makes VT1 conducting, and VT1 conducting after-current reports to the police alarm through SP alarm.
Then tester just can record this time period to time of fire alarming according to the time of initial electric discharge, this time is exactly the time of a circulation electric discharge of battery, after record, and in whole discharge process, have voltmeter V to show the voltage of battery, ammeter A shows the electric current process of battery discharge, after tester as long as by switch S closure, normal K-2 adhesive battle of relay K, charges the battery, and K-1 disconnects simultaneously, battery discharge partial circuit quits work, and waits for next circulation electric discharge.
Described VT1 model be 8050,9013 or 9014, VT2 model be 8050,9013 or 9014.
Described U1 model is LM358, and D1 model is ULN2003.
Implementing the embodiment of the present invention can regulate for the cut-ff voltage of different batteries, adopts and automatically arrives cut-ff voltage cut-off current, and send warning, notifies tester timely record; And simply discharge and recharge conversion by switch control relay, tester kept record and can do the circuit design of other test without the moment, there are the advantages such as simple, safe, reliable, while having solved the long-term cycle charge discharge electrical testing of battery, the testing time is grabbed inaccurate problem, has also greatly improved testing efficiency simultaneously and has reduced laboratory technician's labour intensity.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (8)
1. a battery cycle charge-discharge circuit, is characterized in that, comprises operational amplifier U1, triode VT1, VT2, transistor D1, voltage-stabiliser tube Z, relay K, CDQ charger, battery BT, resistance PR, RL, R1, R2, R3, buzzer SP; U1 the first pin is connected with Z negative pole and R1 one end respectively; U1 the 2nd pin is connected with PR one end and R2 one end respectively; U1 the 3rd pin is connected with R3 one end; VT1 base stage is connected with D1 negative pole; VT1 collector electrode is connected with K the 4th pin, the R1 other end, the R2 other end and RL one end respectively; VT1 emitter is connected with SP one end; VT2 base stage is connected with D1 positive pole and the R3 other end respectively; VT2 collector electrode is connected with the RL other end; VT2 emitter is connected with power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; K the 1st pin is connected with battery cycle charge-discharge circuit input end one end; K the 2nd pin is connected with CDQ charger input one end; K the 3rd pin is connected with K the 6th pin and BT positive pole respectively; K the 5th pin CDQ charger output head anode connects; The CDQ charger input other end is connected with the battery cycle charge-discharge circuit input end other end.
2. circuit according to claim 1, is characterized in that, also comprises fuse FU, voltmeter V, ammeter A; FU one end is connected with K the 4th pin; The FU other end is connected with V one end, R1 one end and A one end respectively; The V other end is connected with VT2 emitter, power supply ground, the SP other end, the PR other end, Z positive pole, BT negative pole and CDQ charger negative pole of output end respectively; The A other end is connected with R2 one end, RL one end and VT1 collector electrode respectively.
3. circuit according to claim 2, it is characterized in that, after the remaining tele-release in BT inside, by upper CDQ charger input K switch S closure, the now K-2 of the K closure of often making war, CDQ charger, after K-2 connects, charges to battery, the normally closed point of the K-1 of K disconnects simultaneously, and BT back-end circuit disconnects.
4. circuit according to claim 3, it is characterized in that, BT is full of after electricity, the switch S of K is disconnected, now the K-1 of K is normally closed closed, K-2 disconnects, the output of CDQ charger and BT are disconnected, BT discharges, owing to having mixed up resistance according to RP slide rheostat, the voltage of now getting on RP is higher than voltage on Z, U1 exports high level, arrive VT2 through R3, now VT2 conducting, RL starts electric discharge, an other circuit arrives VT1 through D1, now because U1 output high level is to D1, D1 input is high level, be output as low level, make VT1 cut-off, along with BT voltage electric discharge is when BT voltage drop is when arriving cut-ff voltage, on RP, get voltage just lower than the voltage on Z, now U1 output low level, VT2 disconnects, and RL stops discharging, and voltage is assigned to the input of D1 simultaneously, D1 input is low level, D1 output output high level, makes VT1 conducting, and VT1 conducting after-current reports to the police alarm through SP alarm.
5. circuit according to claim 1, is characterized in that, when test, adjusts RP according to the size of battery discharge cut-ff voltage, makes voltage on RP just lower than the voltage on Z.
6. circuit according to claim 4, it is characterized in that, electric current reports to the police alarm through SP alarm, and then tester just can record this time period to time of fire alarming according to the time of initial electric discharge, and this time is exactly the time of a circulation electric discharge of battery.
7. circuit according to claim 1, is characterized in that, described VT1 model be 8050,9013 or 9014, VT2 model be 8050,9013 or 9014.
8. circuit according to claim 1, is characterized in that, described U1 model is LM358, and D1 model is ULN2003.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189966.XA CN104184174A (en) | 2013-05-21 | 2013-05-21 | Cyclic battery charging and discharging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189966.XA CN104184174A (en) | 2013-05-21 | 2013-05-21 | Cyclic battery charging and discharging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104184174A true CN104184174A (en) | 2014-12-03 |
Family
ID=51965013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310189966.XA Pending CN104184174A (en) | 2013-05-21 | 2013-05-21 | Cyclic battery charging and discharging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104184174A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624419Y (en) * | 2003-06-03 | 2004-07-07 | 林凤河 | Alarm accumulator |
| US20040251877A1 (en) * | 2003-06-13 | 2004-12-16 | Lee Il Sun | Voltage adapter circuit for a lithium ion rechargeable battery |
| CN201134683Y (en) * | 2007-12-28 | 2008-10-15 | 希姆通信息技术（上海）有限公司 | Alarm circuit for battery discharging |
| CN101769995A (en) * | 2010-01-26 | 2010-07-07 | 南京工业大学 | Intelligent battery cycle charge-discharge testing device |
| CN102692603A (en) * | 2011-03-21 | 2012-09-26 | 海洋王照明科技股份有限公司 | Battery discharge test circuit |
-
2013
- 2013-05-21 CN CN201310189966.XA patent/CN104184174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2624419Y (en) * | 2003-06-03 | 2004-07-07 | 林凤河 | Alarm accumulator |
| US20040251877A1 (en) * | 2003-06-13 | 2004-12-16 | Lee Il Sun | Voltage adapter circuit for a lithium ion rechargeable battery |
| CN201134683Y (en) * | 2007-12-28 | 2008-10-15 | 希姆通信息技术（上海）有限公司 | Alarm circuit for battery discharging |
| CN101769995A (en) * | 2010-01-26 | 2010-07-07 | 南京工业大学 | Intelligent battery cycle charge-discharge testing device |
| CN102692603A (en) * | 2011-03-21 | 2012-09-26 | 海洋王照明科技股份有限公司 | Battery discharge test circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103872733A (en) | Charging state indicating circuit of lithium battery pack | |
| CN104104065A (en) | Battery voltage indication and protection circuit | |
| CN206742952U (en) | LED emergency power supplies are met an urgent need switching circuit | |
| CN100529511C (en) | Portable miner's lamp and its working method | |
| CN106124997B (en) | The high temperature service life test method of ferric phosphate lithium cell | |
| CN104280684A (en) | Battery life detection device | |
| CN208142879U (en) | A kind of charging control circuit and charging unit | |
| CN203871879U (en) | Lithium battery pack charging status indicating circuit | |
| CN103915875A (en) | Lithium battery charging and discharging control system for novel solar street lamp | |
| CN204422627U (en) | A kind of voltage check device that powers on of telepilot | |
| CN204046247U (en) | The multipurpose high-intelligentization circuit of charger | |
| CN104184174A (en) | Cyclic battery charging and discharging circuit | |
| CN106707182B (en) | A kind of power-type sodium-sulphur battery accelerated test method | |
| CN202363937U (en) | Intelligent charge and discharge circuit of dust collector | |
| CN103499734B (en) | Lead-acid battery charger rapid and handy formula tester | |
| CN204886242U (en) | A lithium battery measurement circuit for portable on --spot check gauge | |
| CN205355839U (en) | Many group batteries are automatic to charge and maintains balanced diagnostic device | |
| CN205029404U (en) | Online charging device of reserve lithium cell | |
| CN205123294U (en) | Nickel cadmium nickel -hydrogen battery charge management integrated circuit | |
| CN104079023B (en) | A kind of charging indicator light control circuit and charger | |
| CN204835572U (en) | Mobile phone lithium battery control panel of constant current constant voltage | |
| CN103701178A (en) | Computer USB (Universal Serial Bus) port lithium battery rapid-level and slow-level charger | |
| CN204809887U (en) | Incessant reserve direct current lithium battery supply of large capacity and SMS suggestion | |
| CN204287439U (en) | Lithium battery energy regenerating tester | |
| CN103323785A (en) | Aging method of lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141203 |
|
| RJ01 | Rejection of invention patent application after publication |