CN204835510U - Storage battery charging protector - Google Patents
Storage battery charging protector Download PDFInfo
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- CN204835510U CN204835510U CN201520492088.3U CN201520492088U CN204835510U CN 204835510 U CN204835510 U CN 204835510U CN 201520492088 U CN201520492088 U CN 201520492088U CN 204835510 U CN204835510 U CN 204835510U
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Abstract
The utility model discloses a storage battery charging protector, including resistance R5, diode D3, triode VT3, one -way silicon controlled rectifier VS3, emitting diode LED3 and rectifier bridge Q, 220V alternating current one end is connected to rectifier bridge Q pin 2, the 220V alternating current other end is connecting resistance R8 and electric capacity C5 respectively, the electric capacity C5 other end is the connecting resistance R8 other end and rectifier bridge Q pin 4 respectively, ground connection diode D3 negative pole is connected respectively to rectifier bridge Q pin 1, grounded capacitance C3, triode VT3 collecting electrode and resistance R7. The utility model discloses storage battery charging protector can prevent effectively that the battery from crossing and fill that circuit structure is simple, and is with low costs, small, does not adopt any chip element moreover, and stability is high, and the interference killing feature is strong, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of storage battery protecting device, specifically a kind of battery charge protection device.
Background technology
Storage battery as a kind of can the power store of Reusability; application widely; but the useful life of storage battery and it whether often to overcharge relation very large; frequent overcharge; meeting high degree shortens the life-span of storage battery; more existing charging protection circuit for storage battery structural load, cost is high, is difficult to promote.
Utility model content
The purpose of this utility model is the battery charge protection device providing a kind of low cost, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of battery charge protection device, comprise resistance R5, diode D3, triode VT3, one-way SCR VS3, LED 3 and rectifier bridge Q, described rectifier bridge Q pin 2 connects 220V alternating current one end, the 220V alternating current other end is contact resistance R8 and electric capacity C5 respectively, the electric capacity C5 other end is the contact resistance R8 other end and rectifier bridge Q pin 4 respectively, rectifier bridge Q pin 1 connects ground connection diode D3 negative pole respectively, ground capacity C3, triode VT3 collector electrode and resistance R7, triode VT3 emitter connects the A pole of electric capacity C4 and one-way SCR VS4 respectively, the K pole of one-way SCR VS4 connects the K pole of rectifier bridge Q pin 3 and one-way SCR VS3 respectively, the electric capacity C4 other end connects the G pole of one-way SCR VS3, the G pole of one-way SCR VS4 connects diode D4 negative pole, diode D4 positive pole is contact resistance R6 and triode VT3 base stage respectively, the resistance R6 other end connects diode D2 positive pole and resistance R5 respectively, the resistance R5 other end is connecting luminous diode LED3 positive pole and storage battery E negative pole respectively, LED 3 negative pole connects the A pole of one-way SCR VS3, storage battery E positive pole connects diode D2 negative pole and the resistance R7 other end respectively.
As further program of the utility model: described one-way SCR VS3 and one-way SCR VS4 all adopts TL431.
As the utility model further scheme: described diode D3 is voltage stabilizing didoe.
Compared with prior art; the beneficial effects of the utility model are: the utility model battery charge protection device effectively can prevent accumulator super-charge; circuit structure is simple; cost is low; volume is little, and does not adopt any chip component, and stability is high; antijamming capability is strong, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of battery charge protection device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of battery charge protection device, comprise resistance R5, diode D3, triode VT3, one-way SCR VS3, LED 3 and rectifier bridge Q, rectifier bridge Q pin 2 connects 220V alternating current one end, the 220V alternating current other end is contact resistance R8 and electric capacity C5 respectively, the electric capacity C5 other end is the contact resistance R8 other end and rectifier bridge Q pin 4 respectively, rectifier bridge Q pin 1 connects ground connection diode D3 negative pole respectively, ground capacity C3, triode VT3 collector electrode and resistance R7, triode VT3 emitter connects the A pole of electric capacity C4 and one-way SCR VS4 respectively, the K pole of one-way SCR VS4 connects the K pole of rectifier bridge Q pin 3 and one-way SCR VS3 respectively, the electric capacity C4 other end connects the G pole of one-way SCR VS3, the G pole of one-way SCR VS4 connects diode D4 negative pole, diode D4 positive pole is contact resistance R6 and triode VT3 base stage respectively, the resistance R6 other end connects diode D2 positive pole and resistance R5 respectively, the resistance R5 other end is connecting luminous diode LED3 positive pole and storage battery E negative pole respectively, LED 3 negative pole connects the A pole of one-way SCR VS3, storage battery E positive pole connects diode D2 negative pole and the resistance R7 other end respectively.
One-way SCR VS3 and one-way SCR VS4 all adopts TL431.
Diode D3 is voltage stabilizing didoe.
Operation principle of the present utility model is: refer to Fig. 1, and when storage battery E voltage is low, D2 ends, VT3 conducting, electric current triggers VS3 conducting through C3, charges to storage battery, LED3 is bright for green emitting diode, and when storage battery E voltage is charged to more than 13V, D2 punctures, its cathode voltage is just, VT3 ends, D1 conducting, trigger VS4 conducting, C3 cathode voltage is added to VS3 negative electrode through VS4, and VS3 ends, and circuit stops charging to storage battery E.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to execution mode, but not each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technical scheme in each embodiment also through appropriately combined, can form other execution modes that it will be appreciated by those skilled in the art that.
Claims (3)
1. a battery charge protection device, comprise resistance R5, diode D3, triode VT3, one-way SCR VS3, LED 3 and rectifier bridge Q, it is characterized in that, described rectifier bridge Q pin 2 connects 220V alternating current one end, the 220V alternating current other end is contact resistance R8 and electric capacity C5 respectively, the electric capacity C5 other end is the contact resistance R8 other end and rectifier bridge Q pin 4 respectively, rectifier bridge Q pin 1 connects ground connection diode D3 negative pole respectively, ground capacity C3, triode VT3 collector electrode and resistance R7, triode VT3 emitter connects the A pole of electric capacity C4 and one-way SCR VS4 respectively, the K pole of one-way SCR VS4 connects the K pole of rectifier bridge Q pin 3 and one-way SCR VS3 respectively, the electric capacity C4 other end connects the G pole of one-way SCR VS3, the G pole of one-way SCR VS4 connects diode D4 negative pole, diode D4 positive pole is contact resistance R6 and triode VT3 base stage respectively, the resistance R6 other end connects diode D2 positive pole and resistance R5 respectively, the resistance R5 other end is connecting luminous diode LED3 positive pole and storage battery E negative pole respectively, LED 3 negative pole connects the A pole of one-way SCR VS3, storage battery E positive pole connects diode D2 negative pole and the resistance R7 other end respectively.
2. battery charge protection device according to claim 1, is characterized in that, described one-way SCR VS3 and one-way SCR VS4 all adopts TL431.
3. battery charge protection device according to claim 1, is characterized in that, described diode D3 is voltage stabilizing didoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492088.3U CN204835510U (en) | 2015-07-09 | 2015-07-09 | Storage battery charging protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492088.3U CN204835510U (en) | 2015-07-09 | 2015-07-09 | Storage battery charging protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835510U true CN204835510U (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520492088.3U Expired - Fee Related CN204835510U (en) | 2015-07-09 | 2015-07-09 | Storage battery charging protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835510U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849300A (en) * | 2017-04-18 | 2017-06-13 | 浙江万里学院 | A kind of charger circuit system |
| CN107306924A (en) * | 2017-06-29 | 2017-11-03 | 湖北物连网智能用品有限公司 | A kind of unmanned control device of reading intelligent agriculture |
-
2015
- 2015-07-09 CN CN201520492088.3U patent/CN204835510U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849300A (en) * | 2017-04-18 | 2017-06-13 | 浙江万里学院 | A kind of charger circuit system |
| CN107306924A (en) * | 2017-06-29 | 2017-11-03 | 湖北物连网智能用品有限公司 | A kind of unmanned control device of reading intelligent agriculture |
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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: 20151202 Termination date: 20160709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |