CN104300652A - Charge-discharge circuit of storage battery - Google Patents
Charge-discharge circuit of storage battery Download PDFInfo
- Publication number
- CN104300652A CN104300652A CN201410633891.4A CN201410633891A CN104300652A CN 104300652 A CN104300652 A CN 104300652A CN 201410633891 A CN201410633891 A CN 201410633891A CN 104300652 A CN104300652 A CN 104300652A
- Authority
- CN
- China
- Prior art keywords
- circuit
- charge
- storage battery
- power supply
- accumulator charging
- 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
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H02J7/045—
Abstract
The invention discloses a charge-discharge circuit of a storage battery. The charge-discharge circuit comprises a rectifying filter circuit, a voltage stabilizing circuit, a DC/DC module, a switch machine and a main switch control circuit. According to the charge-discharge circuit of the storage battery, the principles of a bridge rectifying circuit, and a capacitor filter circuit voltage stabilizing circuit are mainly used to design the main charge-discharge circuit of the storage battery, and a DC/DC converter, a photocoupling switch and other parts are used to enhance the voltage stability and the reversibility of the main circuit; in addition, the principle of a relay switch is utilized to design the control circuit, so that the fact that different charge voltages can be selected is achieved; secondly, in order to enhance the safety performance of the charge-discharge circuit of the storage battery, a protecting circuit which utilizes an integrated operational amplifier to limit the voltage and the current is designed; and the charge-discharge circuit, which is designed according to the charge principle and the characteristic curve of the storage battery, meets the design requirements, and the purpose of protecting the circuits is achieved.
Description
Technical field
The invention belongs to cell art, particularly a kind of accumulator charging/discharging circuit.
Background technology
Battery technology is that one relates to the multi-disciplinary intersect edge technology such as power semiconductor, combined power converter technique, modern electronic technology, automatic control technology.Play an important role in modern communication, electronic instrument, computer, industrial automation, power engineering, national defence and some new and high technology.Traditional accumulator cell charging and discharging method exist charging slowly, the shortcoming such as security performance is bad, easily because overcharging, charge less, overcurrent, overvoltage cause burning of circuit.According to the general principle, characteristic, method etc. of accumulator cell charging and discharging; design a kind of simple and easy, practical, charge-discharge circuit easily; a single selection difficult problem for accumulator cell charging and discharging voltage is solved by the charge-discharge circuit designed; there is safe protective circuit performance, avoiding storage battery because overcharging, charge less, overcurrent, overvoltage cause burning of circuit.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of simple and easy, practical, charge-discharge circuit easily; a certainly single selection difficult problem for accumulator cell charging and discharging voltage; there is safe protective circuit performance, avoiding storage battery because overcharging, charge less, overcurrent, overvoltage cause burning of circuit.
A kind of accumulator charging/discharging circuit, comprises current rectifying and wave filtering circuit, voltage stabilizing circuit, DC/DC module, switching on and shutting down, primary switch control circuit.
In described accumulator charging/discharging circuit, single-phase alternating current through transformer transformation, rectifier bridge rectifying and wave-filtering, direct voltage adjustment is stabilized in 5V by 7805,7808 modules, then boosts to 15V through DC/DC module, powers to main circuit.
In described accumulator charging/discharging circuit, the left side of the primary switch control circuit of optocoupler diode circuit composition connects charging power supply, and when charge in batteries voltage is 2 V, this power supply is adjusted to 3 ~ 4 V by 15V power supply and rheostat; When charge in batteries voltage is 12 V, this power supply is regulated by another 24 V DC power supply and rheostat and forms 15 V.This power supply through primary switch control circuit to it on the right side of charge in batteries.
When described accumulator charging/discharging circuit needs to discharge, the left side of the reversible main circuit of main switch connects electric discharge storage battery, and the right side of the reversible main circuit of main switch connects discharge resistance load.
Accumulator charging/discharging circuit of the present invention mainly applies bridge rectifier, capacitor filtering voltage stabilizing circuit principle design accumulator cell charging and discharging main circuit, strengthens voltage stabilizing, the invertibity of main circuit at devices such as application DC/DC transducer, photoelectric coupling switchs; Apply relay switch principle design control circuit in addition, reach the selection of different charging voltage; Secondly in order to strengthen the security performance of accumulator charging/discharging circuit, the protective circuit that a kind of application integration operational amplifier carries out pressure limiting, current limliting is designed; The charge-discharge circuit that the present invention designs according to the charging principle of storage battery and characteristic curve meets designing requirement, reaches the object of protective circuit.
Accompanying drawing explanation
Fig. 1 is accumulator charging/discharging circuit module map;
Fig. 2 is accumulator charging/discharging circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the accumulator charging/discharging circuit that the present invention proposes is described in detail.
As shown in Figure 1, a kind of accumulator charging/discharging circuit disclosed by the invention, comprises current rectifying and wave filtering circuit, voltage stabilizing circuit, DC/DC module, switching on and shutting down, primary switch control circuit.
In described accumulator charging/discharging circuit, single-phase alternating current through transformer transformation, rectifier bridge rectifying and wave-filtering, direct voltage adjustment is stabilized in 5V by 7805,7808 modules, then boosts to 15V through DC/DC module, powers to main circuit.
In described accumulator charging/discharging circuit, the left side of the primary switch control circuit of optocoupler diode circuit composition connects charging power supply, and when charge in batteries voltage is 2 V, this power supply is adjusted to 3 ~ 4 V by 15V power supply and rheostat; When charge in batteries voltage is 12 V, this power supply is regulated by another 24 V DC power supply and rheostat and forms 15 V.This power supply through primary switch control circuit to it on the right side of charge in batteries.Charging modes can elect stage current constant mode as, can be arranged to the multistep charging stage and automatically change, and user can set the parameters such as charging current, voltage, time by panel and keypad.Conveniently user uses, and dissimilar battery operating parameter can be set in program segment, directly call when needed.
When described accumulator charging/discharging circuit needs to discharge, the left side of the reversible main circuit of main switch connects electric discharge storage battery, and the right side of the reversible main circuit of main switch connects discharge resistance load.
Claims (4)
1. an accumulator charging/discharging circuit, is characterized in that: comprise current rectifying and wave filtering circuit, voltage stabilizing circuit, DC/DC module, switching on and shutting down, primary switch control circuit.
2. accumulator charging/discharging circuit according to claim 1, it is characterized in that: in described accumulator charging/discharging circuit, single-phase alternating current through transformer transformation, rectifier bridge rectifying and wave-filtering, by 7805,7808 modules by direct voltage adjust be stabilized in 5V, boost to 15V through DC/DC module again, power to main circuit.
3. accumulator charging/discharging circuit according to claim 1, it is characterized in that: in described accumulator charging/discharging circuit, the left side of the primary switch control circuit of optocoupler diode circuit composition connects charging power supply, when charge in batteries voltage is 2 V, this power supply is adjusted to 3 ~ 4 V by 15V power supply and rheostat; When charge in batteries voltage is 12 V, this power supply is regulated by another 24 V DC power supply and rheostat and forms 15 V; This power supply through primary switch control circuit to it on the right side of charge in batteries.
4. accumulator charging/discharging circuit according to claim 1, is characterized in that: when described accumulator charging/discharging circuit needs to discharge, the left side of the reversible main circuit of main switch connects electric discharge storage battery, and the right side of the reversible main circuit of main switch connects discharge resistance load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633891.4A CN104300652A (en) | 2014-11-12 | 2014-11-12 | Charge-discharge circuit of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633891.4A CN104300652A (en) | 2014-11-12 | 2014-11-12 | Charge-discharge circuit of storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104300652A true CN104300652A (en) | 2015-01-21 |
Family
ID=52320280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410633891.4A Pending CN104300652A (en) | 2014-11-12 | 2014-11-12 | Charge-discharge circuit of storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104300652A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930914A (en) * | 2017-03-20 | 2017-07-07 | 河南科技大学 | A kind of electric automobile feed energy suspension TRT |
-
2014
- 2014-11-12 CN CN201410633891.4A patent/CN104300652A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930914A (en) * | 2017-03-20 | 2017-07-07 | 河南科技大学 | A kind of electric automobile feed energy suspension TRT |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |