CN205081541U - Take charging circuit of LED pilot lamp - Google Patents
Take charging circuit of LED pilot lamp Download PDFInfo
- Publication number
- CN205081541U CN205081541U CN201520562414.3U CN201520562414U CN205081541U CN 205081541 U CN205081541 U CN 205081541U CN 201520562414 U CN201520562414 U CN 201520562414U CN 205081541 U CN205081541 U CN 205081541U
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- resistance
- triode
- connects
- transformer
- relay
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- Expired - Fee Related
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- 238000004804 winding Methods 0.000 claims abstract description 14
- 230000001052 transient effect Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a take charging circuit of LED pilot lamp, including key switch K, transformer W, rectifier bridge T and electric capacity C1, 220V alternating current and relay J's contact J -1 is connected to button K's one end, and the other end of transformer W's winding N1 and relay J's contact J -1's the other end, transformer W's winding N1's other end connection 220V alternating current is connected to button K's the other end. The utility model discloses charging circuit not only simple structure, components and parts is few, and the cost of manufacture is low, and has LED light indication to output voltage is adjustable, can be suitable for multiple battery, simultaneously still has the function that is full of the automatic stop, prevents that the battery from overshooting the life -span that leads to for a long time and reducing.
Description
Technical field
The utility model relates to a kind of charging circuit, specifically a kind of charging circuit with LED light.
Background technology
Storage battery is portable equipment common in daily life, the energy of the vehicles, its output voltage is varied, therefore most of storage battery is all equipped with independent charging circuit, just point 48V, 60V and 72V etc. are multiple for the charge power supply of such as electric motor car, thus cause matching separately between charger and storage battery, use very inconvenient, and existing charger function is too single, the heating that works long hours seriously, is easily burnt.Also easily cause storage battery to overcharge during charging, cause electrolyte dry too early and shorten the storage battery life-span.
Utility model content
The purpose of this utility model is the charging circuit of the band LED light providing a kind of structure simple, easy to use, 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 charging circuit with LED light, comprise key switch K, transformer W, rectifier bridge T and electric capacity C1, one end of described button K connects the contact J-1 of 220V alternating current and relay J, the winding N1 of other end connection transformer W of button K and the other end of the contact J-1 of relay J, the other end of the winding N1 of transformer W connects the other end of 220V alternating current, one end of the winding N2 of transformer W connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the port 2 contact resistance R1 of rectifier bridge T, resistance R6, resistance R7, relay J, the pin 3 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects the anode of diode D1, the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C2, the emitter of triode V1, the emitter of triode V2, a stiff end of potentiometer RP1, the negative pole of storage battery E and the port 4 of rectifier bridge T, the pin 1 contact resistance R3 of chip IC 1, another stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end of resistance R3 connects the other end of electric capacity C2, the pin 2 of chip IC 1 and the base stage of triode V3, the emitter contact resistance R4 of triode V3, the other end of other end contact resistance R6 of resistance R4 and the anode of diode D2, the negative electrode of diode D2 connects the positive pole of storage battery E, the collector electrode contact resistance R5 of triode V3, the base stage of the other end connecting triode V1 of resistance R5, the other end of collector electrode contact resistance R7 of triode V1 and the base stage of triode V2, the model of described chip IC 1 is LM317T.
As preferred version of the present utility model: described relay J is normally opened contact relay.
Compared with prior art, the beneficial effects of the utility model are: not only structure is simple for the utility model charging circuit, components and parts are few, cost of manufacture is low, charging voltage is stablized, and with LED lamplight instruction, and output voltage is adjustable, can be suitable for multiple storage battery, also there is the function being full of automatic stop simultaneously, prevent the service life reduction that the long-time overshoot of storage battery causes.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the charging circuit of band LED light.
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, a kind of charging circuit with LED light, comprise key switch K, transformer W, rectifier bridge T and electric capacity C1, one end of described button K connects the contact J-1 of 220V alternating current and relay J, the winding N1 of other end connection transformer W of button K and the other end of the contact J-1 of relay J, the other end of the winding N1 of transformer W connects the other end of 220V alternating current, one end of the winding N2 of transformer W connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the port 2 contact resistance R1 of rectifier bridge T, resistance R6, resistance R7, relay J, the pin 3 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects the anode of diode D1, the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C2, the emitter of triode V1, the emitter of triode V2, a stiff end of potentiometer RP1, the negative pole of storage battery E and the port 4 of rectifier bridge T, the pin 1 contact resistance R3 of chip IC 1, another stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end of resistance R3 connects the other end of electric capacity C2, the pin 2 of chip IC 1 and the base stage of triode V3, the emitter contact resistance R4 of triode V3, the other end of other end contact resistance R6 of resistance R4 and the anode of diode D2, the negative electrode of diode D2 connects the positive pole of storage battery E, the collector electrode contact resistance R5 of triode V3, the base stage of the other end connecting triode V1 of resistance R5, the other end of collector electrode contact resistance R7 of triode V1 and the base stage of triode V2, the model of described chip IC 1 is LM317T.
Relay J is normally opened contact relay.
Operation principle of the present utility model is: the IC1 in circuit provides reference voltage for V1 base stage, and relay J realizes K switch self-locking and auto-breaking.After connecting storage battery, press K, light-emitting diode D1 lights, and simultaneously J obtains electric adhesive, and K is by the J-1 self-locking of its contact, and charging starts, and now because storage battery E owes electricity, V3 emitter voltage is lower than 9V, V3 cut-off, and V1 also ends, they on V2 without impact.When battery voltage is charged to 7.5V+0.65V, V3 emitter voltage is 7.5V+0.65V, T1 saturation conduction, and T2 is conducting also, and T3 base voltage declines and ends, and J dead electricity discharges, and J-1 disconnects, and charging stops.Light-emitting diode D1 extinguishes.Also can charge to the battery of different voltage by regulating W.Diode D2 in circuit is non-return diode, can prevent storage battery back discharge, the peak voltage that the transient voltage suppressor diode DW in circuit produces for eliminating city's electro-mechanical wave, prevents peak voltage to the damage of circuit.
Claims (2)
1. the charging circuit with LED light, comprise key switch K, transformer W, rectifier bridge T and electric capacity C1, it is characterized in that, one end of described button K connects the contact J-1 of 220V alternating current and relay J, the winding N1 of other end connection transformer W of button K and the other end of the contact J-1 of relay J, the other end of the winding N1 of transformer W connects the other end of 220V alternating current, one end of the winding N2 of transformer W connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the port 3 of rectifier bridge T connects the other end of the other end of transient voltage suppressor diode DW and the winding N2 of transformer W, the port 2 contact resistance R1 of rectifier bridge T, resistance R6, resistance R7, relay J, the pin 3 of electric capacity C1 and chip IC 1, the other end of resistance R1 connects the anode of diode D1, the negative electrode of diode D1 connects the other end of electric capacity C1, electric capacity C2, the emitter of triode V1, the emitter of triode V2, a stiff end of potentiometer RP1, the negative pole of storage battery E and the port 4 of rectifier bridge T, the pin 1 contact resistance R3 of chip IC 1, another stiff end of potentiometer RP1 and the sliding end of potentiometer RP1, the other end of resistance R3 connects the other end of electric capacity C2, the pin 2 of chip IC 1 and the base stage of triode V3, the emitter contact resistance R4 of triode V3, the other end of other end contact resistance R6 of resistance R4 and the anode of diode D2, the negative electrode of diode D2 connects the positive pole of storage battery E, the collector electrode contact resistance R5 of triode V3, the base stage of the other end connecting triode V1 of resistance R5, the other end of collector electrode contact resistance R7 of triode V1 and the base stage of triode V2, the model of described chip IC 1 is LM317T.
2. a kind of charging circuit with LED light according to claim 1, is characterized in that, described relay J is normally opened contact relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562414.3U CN205081541U (en) | 2015-07-30 | 2015-07-30 | Take charging circuit of LED pilot lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520562414.3U CN205081541U (en) | 2015-07-30 | 2015-07-30 | Take charging circuit of LED pilot lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081541U true CN205081541U (en) | 2016-03-09 |
Family
ID=55433915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520562414.3U Expired - Fee Related CN205081541U (en) | 2015-07-30 | 2015-07-30 | Take charging circuit of LED pilot lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071544A (en) * | 2019-04-26 | 2019-07-30 | 东莞市天富励德实业有限公司 | A kind of smart phone shell |
| CN110071544B (en) * | 2019-04-26 | 2024-06-04 | 东莞市天富励德实业有限公司 | Smart phone shell |
-
2015
- 2015-07-30 CN CN201520562414.3U patent/CN205081541U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071544A (en) * | 2019-04-26 | 2019-07-30 | 东莞市天富励德实业有限公司 | A kind of smart phone shell |
| CN110071544B (en) * | 2019-04-26 | 2024-06-04 | 东莞市天富励德实业有限公司 | Smart phone shell |
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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: 20160309 Termination date: 20170730 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |