CN204156577U - The anti-overcharge electric overdischarge device of storage battery - Google Patents
The anti-overcharge electric overdischarge device of storage battery Download PDFInfo
- Publication number
- CN204156577U CN204156577U CN201420686675.1U CN201420686675U CN204156577U CN 204156577 U CN204156577 U CN 204156577U CN 201420686675 U CN201420686675 U CN 201420686675U CN 204156577 U CN204156577 U CN 204156577U
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- China
- Prior art keywords
- relay
- current
- battery
- storage battery
- voltage
- 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.)
- Expired - Fee Related
Links
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Title of the present utility model is the anti-overcharge electric overdischarge device of storage battery, relates to a kind of battery charge and discharge device.It mainly solves known storage battery when charging, and be charged to required voltage, charging device does not disconnect completely, causes overcharge phenomenon, may make the problem that battery damage is scrapped.Battery charging circuit described in the utility model is composed in series by the normally closed interlock of current-limiting resistance, transducer, current relay and voltage relay, and the connected node of the normally closed interlock of current relay and voltage relay is connected with voltage relay; Described battery discharging circuit is composed in series by the normally closed interlock of current-limiting resistance, transducer, current relay and current relay; Battery charging circuit is parallel with the normally open contact of voltage relay, and the other end of the normally open contact of this voltage relay connects battery discharging circuit by change over switch.Utility model works is reliable, and easy for installation, highly sensitive, the life-span is long, avoids the damage of storage battery.
Description
Technical field
The utility model relates to a kind of battery charge and discharge device, particularly relates to the anti-overcharge electricity of storage battery, overdischarge device.
Background technology
Known storage battery is in charge and discharge, often can run into the phenomenon of overcharge, overdischarge, though be charged to required voltage as storage battery can be run in the process of charging, but the device of charging does not disconnect completely, still in continuation charging, cause overcharge phenomenon, may battery damage be made, particularly lithium battery, not allow too high voltage charging; In addition, when storage battery is to load discharge, if electric leakage or short circuit appear in load, will battery damage be caused and scrap.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency; and the one proposed can auto power off when charge in batteries reaches storage battery rated voltage after, when storage battery leaks electricity or the anti-overcharge electric overdischarge device of storage battery of short-circuit protection to being provided with during load discharge.
Technical solution of the present utility model is: described battery charging circuit is composed in series by the normally closed interlock of current-limiting resistance, transducer, current relay and voltage relay, and the connected node of the normally closed interlock of current relay and voltage relay is connected with voltage relay; Described battery discharging circuit is composed in series by the normally closed interlock of current-limiting resistance, transducer, current relay and current relay; Battery charging circuit is parallel with the normally open contact of voltage relay, and the other end of the normally open contact of this voltage relay connects battery discharging circuit by change over switch.
Voltage relay in battery charging circuit described in technical solution of the present utility model is parallel with pressurizer, alarm and display.
Current relay in battery discharging circuit described in technical solution of the present utility model and the normally closed interlock series circuit of current relay are parallel with the normally open contact of current relay.
The series circuit of the normally closed interlock of the current relay described in technical solution of the present utility model and current relay and the normally open contact sys node of current relay are connected with display and alarm parallel circuits.
The anti-overcharge electric overdischarge device of storage battery of the present utility model has carried out duplicate protection to charging and discharging, reliable operation by current-limiting resistance and advanced transducer Hall element, and easy for installation, highly sensitive, the life-span is long, avoids the damage of storage battery.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
As shown in Figure 1, adopt a change over switch 1 as mains switch, change over switch 1 is provided with contact K, C, O, F; Battery charging circuit is composed in series by the normally closed interlock 5 of current-limiting resistance 2, transducer 3, current relay 4, voltage relay 8, and the connected node of the normally closed interlock 5 of current relay 4 and voltage relay 8 is connected with voltage relay 8; One end of battery charging circuit meets the contact K of change over switch 1 by current-limiting resistance 2, the other end of battery charging circuit passes through the normally closed interlock 5 of voltage relay 8 as charging circuit output, and this output connects storage battery 6 in use; Voltage relay 8 is parallel with pressurizer 7, alarm 9 and display 10, when storage battery 6 charging voltage reaches certain value, voltage relay 8 action, the normally closed interlock 5 of voltage relay 8 disconnects, and alarm 9 is reported to the police simultaneously, and display 10 shows magnitude of voltage; Battery charging circuit is parallel with the normally open contact 18 of voltage relay 8, and connect battery discharging circuit by change over switch 1, when storage battery 6 charging voltage reaches certain value, the normally closed interlock 5 of voltage relay 8 disconnects, the normally open contact 18 of voltage relay 8 is connected, and storage battery 6 is discharged for load 17 by change over switch 1; Battery discharging circuit is composed in series by the normally closed interlock 14 of current-limiting resistance 11, transducer 12, current relay 13 and current relay 13; One end of battery discharging circuit meets the contact F of change over switch 1 by current-limiting resistance 11, the other end of battery discharging circuit passes through the normally closed interlock 14 of current relay 13 as discharge circuit output, this output connects load 17 in use, transducer 3,12 adopts Hall element, and model is SS491B; The series circuit of the normally closed interlock 14 of current relay 13 and current relay 13 is parallel with the normally open contact 15 of current relay 13; When storage battery 6 discharges for load 17, the normally open contact 18 of voltage relay 8 closes, and storage battery 6 connects battery discharging circuit, for load 17 is discharged by the normally open contact 18 of voltage relay 8 and change over switch 1; The series circuit of normally closed interlock 14 and normally open contact 15 sys node of current relay 13 of current relay 13 and current relay 13 are connected with display 19 and alarm 16 parallel circuits, when breaking down, when circuit voltage or electric current are lower than set point, the normally closed interlock 14 of current relay 13 disconnects, and storage battery 6 discharges and stops, and the normally open contact 15 of current relay 13 closes, alarm 16 is reported to the police, display 19 shows magnitude of voltage simultaneously, and after fault is discharged, storage battery 6 works on.
Claims (4)
1. the anti-overcharge electric overdischarge device of storage battery, it is characterized in that: described battery charging circuit is composed in series by the normally closed interlock (5) of current-limiting resistance (2), transducer (3), current relay (4) and voltage relay (8), the connected node of the normally closed interlock (5) of current relay (4) and voltage relay (8) is connected with voltage relay (8); Described battery discharging circuit is composed in series by the normally closed interlock (14) of current-limiting resistance (11), transducer (12), current relay (13) and current relay (13); Battery charging circuit is parallel with the normally open contact (18) of voltage relay (8), and the other end of the normally open contact (18) of this voltage relay (8) connects battery discharging circuit by change over switch (1).
2. the anti-overcharge electric overdischarge device of storage battery according to claim 1, is characterized in that: the voltage relay (8) in described battery charging circuit is parallel with pressurizer (7), alarm (9) and display (10).
3. the anti-overcharge electric overdischarge device of storage battery according to claim 1, is characterized in that: the normally open contact (15) current relay (13) in described battery discharging circuit and normally closed interlock (14) series circuit of current relay (13) being parallel with current relay (13).
4. the anti-overcharge electric overdischarge device of storage battery according to claim 3, is characterized in that: the series circuit of described current relay (13) and the normally closed interlock (14) of current relay (13) and normally open contact (15) sys node of current relay (13) are connected with display (19) and alarm (16) parallel circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686675.1U CN204156577U (en) | 2014-11-17 | 2014-11-17 | The anti-overcharge electric overdischarge device of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420686675.1U CN204156577U (en) | 2014-11-17 | 2014-11-17 | The anti-overcharge electric overdischarge device of storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204156577U true CN204156577U (en) | 2015-02-11 |
Family
ID=52514665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420686675.1U Expired - Fee Related CN204156577U (en) | 2014-11-17 | 2014-11-17 | The anti-overcharge electric overdischarge device of storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204156577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486964A (en) * | 2016-12-19 | 2017-03-08 | 贺州学院 | A kind of Intelligent socket |
-
2014
- 2014-11-17 CN CN201420686675.1U patent/CN204156577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106486964A (en) * | 2016-12-19 | 2017-03-08 | 贺州学院 | A kind of Intelligent socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 |