CN107919705A - Battery pack prevents overdischarge circuit - Google Patents
Battery pack prevents overdischarge circuit Download PDFInfo
- Publication number
- CN107919705A CN107919705A CN201711304945.2A CN201711304945A CN107919705A CN 107919705 A CN107919705 A CN 107919705A CN 201711304945 A CN201711304945 A CN 201711304945A CN 107919705 A CN107919705 A CN 107919705A
- Authority
- CN
- China
- Prior art keywords
- relay
- battery pack
- dormancy
- electric
- electric discharge
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Proposed by the present invention is battery pack prevention overdischarge circuit.Control one end of DC DC power supplies in electronic circuit to be parallel with dormancy relay, charge relay and electric discharge relay successively in battery pack, the other ends of DC DC power supplies be connected to dormancy relay switch control dormancy relay, charge relay switch control charge relay, electric discharge relay switch control electric discharge relay and with K reset switches.For the present invention using dormancy relay is increased on original circuit base, when use, is convenient and reliable, solves battery pack overdischarge and the technical problem of electric elements is lost.The maintenance cost of battery pack is reduced, the service life of battery pack is improved, adds economic benefit.Suitably as battery pack prevention overdischarge circuit application.
Description
Technical field
The present invention is to provide electronic field safety circuit, is mainly used in the security protection of battery pack.Specifically
Battery pack prevents overdischarge circuit.
Background technology
At present, the finished battery group leader time, or operator forgot to turn off battery switch key door, makes when not in use
Continue power consumption into battery pack holding state.So that battery pack overdischarge, causes battery pack not fill electricity, it is impossible to continuous work and
Damage battery.
The content of the invention
In order to solve the problems, such as battery pack overdischarge and loss electric elements, the present invention provides battery pack to prevent
Discharge circuit.The circuit solves battery pack overdischarge and loss electric appliance by increasing dormancy relay on original circuit base
The technical problem of element.
Scheme is used by the present invention solves technical problem：
One end of DC DC power supplies in electronic circuit is controlled to be parallel with dormancy relay, charge relay successively and put in battery pack
Electrical relay, the other end of DC DC power supplies are connected to dormancy relay switch control dormancy relay, charge relay
Switch control charge relay, electric discharge relay switch control electric discharge relay and reset switch.
Good effect, since the present invention on original circuit base using dormancy relay is increased, when use, is convenient and reliable,
Solve battery pack overdischarge and the technical problem of electric elements is lost.The maintenance cost of battery pack is reduced, improves battery pack
Service life, add economic benefit.Suitably as battery pack prevention overdischarge circuit application.
Brief description of the drawings
Fig. 1 is local line figure of the present invention.
In figure, 1.DC DC power supplies, 2.J3 dormancy relays, 3.J2 charge relays, 4.J1 electric discharge relays, 5.K is multiple
Bit switch, 6.JC3 dormancy relay switches, 7.JC2 charge relays switch, 8.JC1 electric discharge relay switches.
Embodiment
According to the figure, the one end for controlling DC DC power supplies 1 in electronic circuit in battery pack is parallel with dormancy relay successively
2nd, charge relay 3 and electric discharge relay 4, the other end of DC DC power supplies are connected to the control of dormancy relay switch 6 and stop
Dormancy relay, 7 control charge relay of charge relay switch, the electric discharge control of relay switch 8 electric discharge relay and reset are opened
Close 5.
Operating method and the course of work：
1st, press reset switch 3~5s, DC DC power supply and obtain electric, output 12V feed systems；
2nd, system obtain it is electric after, dormancy relay connect it is electric after, dormancy relay switch closure；DC DC power supply continued powers,
At the same time discharge relay connect it is electric after discharge relay switch closure, export 80V；
3rd, when charger is connected with battery charging terminal, electric discharge relay power-off electric discharge relay switch disconnects, charge relay
Electric charge relay switch closure is obtained, is charged；
4th, when output or input current be less than ± 5A 10min when, the time can adjust on demand, dormancy relay power off, dormancy after
Electric switch disconnects, the power-off of DC DC power supplies, battery pack powered down sleep；
5th, when reusing battery pack, 3~5s of long-press reset switch can be used.
Feature：
The present invention enables to battery pack powered down sleep when not closing battery system, avoids by increasing dormancy relay
Battery pack overdischarge and the phenomenon of damage cell device.Improve battery pack charging ability, reduce maintenance cost, add through
Ji benefit.
Claims (1)
1. battery pack prevents overdischarge circuit, it is characterized in that：The DC DC power supplies in battery pack controls electronic circuit（1）One end
Dormancy relay is parallel with successively（2）, charge relay（3）With electric discharge relay（4）, the other end of DC DC power supplies connects respectively
It is connected to dormancy relay switch（6）Control dormancy relay, charge relay switch（7）Control J2 charge relays, JC1 electric discharges
Relay switch（8）Control electric discharge relay and and reset switch（5）；
（1）, press reset switch 3~5s, DC DC power supply obtain it is electric, export 12V feed systems；
（2）, system obtain it is electric after, dormancy relay connect it is electric after dormancy relay switch close；DC DC power supply continued powers,
At the same time discharge electric discharge relay connect it is electric after JC1 electric discharge relay switch closure, export 80V；
（3）, when charger is connected with battery charging terminal, electric discharge relay power-off electric discharge relay switch disconnect, charge relay
Device obtains electric charge relay switch closure, charges；
（4）, when output or input current be less than ± 5A 10min when, the time can adjust on demand, dormancy relay power off, dormancy
Relay switch disconnects, the power-off of DC DC power supplies, battery pack powered down sleep；
（5）, when reusing battery pack, 3~5s of long-press reset switch i.e. can be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304945.2A CN107919705A (en) | 2017-12-11 | 2017-12-11 | Battery pack prevents overdischarge circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711304945.2A CN107919705A (en) | 2017-12-11 | 2017-12-11 | Battery pack prevents overdischarge circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107919705A true CN107919705A (en) | 2018-04-17 |
Family
ID=61893105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711304945.2A Pending CN107919705A (en) | 2017-12-11 | 2017-12-11 | Battery pack prevents overdischarge circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107919705A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166290A (en) * | 2013-03-26 | 2013-06-19 | 欣旺达电子股份有限公司 | Control and protection circuit for single-lithium battery electric tool and detection and control method for control and protection circuit |
| CN103746412A (en) * | 2013-12-09 | 2014-04-23 | 惠州市亿能电子有限公司 | Electrical vehicle charging and discharging interlock circuit |
| CN204068215U (en) * | 2014-07-23 | 2014-12-31 | 河南锂动电源有限公司 | With the lithium battery of power-off protection |
| US20170098939A1 (en) * | 2015-10-01 | 2017-04-06 | Getac Technology Corporation | Electronic apparatus and charging/discharging management method thereof |
| CN106571616A (en) * | 2015-10-10 | 2017-04-19 | 中兴通讯股份有限公司 | Power supply dormancy and wake-up circuit |
-
2017
- 2017-12-11 CN CN201711304945.2A patent/CN107919705A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166290A (en) * | 2013-03-26 | 2013-06-19 | 欣旺达电子股份有限公司 | Control and protection circuit for single-lithium battery electric tool and detection and control method for control and protection circuit |
| CN103746412A (en) * | 2013-12-09 | 2014-04-23 | 惠州市亿能电子有限公司 | Electrical vehicle charging and discharging interlock circuit |
| CN204068215U (en) * | 2014-07-23 | 2014-12-31 | 河南锂动电源有限公司 | With the lithium battery of power-off protection |
| US20170098939A1 (en) * | 2015-10-01 | 2017-04-06 | Getac Technology Corporation | Electronic apparatus and charging/discharging management method thereof |
| CN106571616A (en) * | 2015-10-10 | 2017-04-19 | 中兴通讯股份有限公司 | Power supply dormancy and wake-up circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180417 |