CN204761811U - Portable lamp charges - Google Patents
Portable lamp charges Download PDFInfo
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- CN204761811U CN204761811U CN201520590184.1U CN201520590184U CN204761811U CN 204761811 U CN204761811 U CN 204761811U CN 201520590184 U CN201520590184 U CN 201520590184U CN 204761811 U CN204761811 U CN 204761811U
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- triode
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Abstract
The utility model discloses a portable lamp charges, including transformer W1, unidirectional thyristor Q1, resistance R1 and triode V1, the both ends of 220V alternating current are connected respectively at transformer W1's winding N1's both ends, and the port 1 that transient voltage restraines diode DW and rectifier bridge T is connected to transformer W1's winding N2's one end, and transformer W1's winding N2's the other end is connected transient voltage and is restrained diode DW's the other end and rectifier bridge T's port 3. The utility model discloses portable lamp charges circuit structure is simple, components and parts are few, has set up transient voltage and restrain the diode in the circuit, can effectively eliminate the influence that the power supply fluctuation caused to charging to the use thyristor is as charging controlling element, and the battery is full of electricity back automatic disconnection charging circuit, and also have light indication, so the advantage that has long service life, the cost of manufacture is low and practices thrift the electric energy.
Description
Technical field
The utility model relates to a kind of illuminating lamp, specifically a kind of rechargeable portable lamp.
Background technology
Flashlight is requisite illuminations in people's productive life, especially the staff of night work or tunnel, underground work is engaged in, flashlight conventional is at present rechargeable portable lamp, but the charging module function singleness of current most of rechargeable portable lamp, dependence deenergization that can only be simple stops charging, and be easy to cause battery overcharge, minority is with the hand lamp complex structure of automatic interrupt function, use relay as control element, its mechanical contact life-span is lower.
Utility model content
The purpose of this utility model is the rechargeable portable lamp providing a kind of saves energy, long service life, 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 rechargeable portable lamp, comprise transformer W1, unidirectional thyristor Q1, resistance R1 and triode V1, the two ends of the winding N1 of described transformer W1 connect the two ends of 220V alternating current respectively, one end of the winding N2 of transformer W1 connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the other end of the winding N2 of transformer W1 connects the other end of transient voltage suppressor diode DW and the port 3 of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the anode of electric capacity C1 and unidirectional thyristor Q1, the other end of resistance R1 connects the other end of electric capacity C1, electric capacity C2, the other end of resistance R1, resistance R5, the negative electrode of diode D3, the port 4 of rectifier bridge T, the negative pole of storage battery E, the emitter of triode V1 and the emitter of triode V2, the other end of resistance R2 connects the other end of electric capacity C2, the collector electrode of triode V1 and the control pole of unidirectional thyristor Q1, the base stage contact resistance R2 of triode V1 and the other end of resistance R5, the other end of resistance R3 connects the anode of diode D1, the negative electrode of unidirectional thyristor Q1 connects diode D1 current potential negative electrode, the anode of diode D2 and resistance R4, the other end of resistance R4 connects the anode of diode D3, the negative electrode connecting valve S1 of diode D2 and the positive pole of storage battery E, the winding N4 of other end connection transformer W2 of the switch S 1 and winding N5 of transformer W2, the winding N3 of the other end connection transformer W2 of the winding N4 of transformer W2, resistance R6 and electric capacity C3, the other end of resistance R6 connects the other end of electric capacity C3 and the base stage of triode V2, the other end of the winding N5 of the collector electrode connection transformer W2 of triode V2 and light fixture H, the other end of the winding N3 of the other end connection transformer W2 of light fixture H.
As preferred version of the present utility model: the rated voltage of described storage battery E is 9V.
As preferred version of the present utility model: diode D3 is light-emitting diode.
Compared with prior art, the beneficial effects of the utility model are: the utility model rechargeable portable lamp circuit structure is simple, components and parts are few, be provided with transient voltage suppressor diode in circuit, effectively can eliminate power-supply fluctuation to the impact caused of charging, and use thyristor as charge controlling element, storage battery disconnects charging circuit after being full of electricity automatically, and also has lamplight pointing, therefore has the advantage of the low and saves energy of long service life, cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of rechargeable portable lamp.
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 rechargeable portable lamp, comprise transformer W1, unidirectional thyristor Q1, resistance R1 and triode V1, the two ends of the winding N1 of described transformer W1 connect the two ends of 220V alternating current respectively, one end of the winding N2 of transformer W1 connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the other end of the winding N2 of transformer W1 connects the other end of transient voltage suppressor diode DW and the port 3 of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the anode of electric capacity C1 and unidirectional thyristor Q1, the other end of resistance R1 connects the other end of electric capacity C1, electric capacity C2, the other end of resistance R1, resistance R5, the negative electrode of diode D3, the port 4 of rectifier bridge T, the negative pole of storage battery E, the emitter of triode V1 and the emitter of triode V2, the other end of resistance R2 connects the other end of electric capacity C2, the collector electrode of triode V1 and the control pole of unidirectional thyristor Q1, the base stage contact resistance R2 of triode V1 and the other end of resistance R5, the other end of resistance R3 connects the anode of diode D1, the negative electrode of unidirectional thyristor Q1 connects diode D1 current potential negative electrode, the anode of diode D2 and resistance R4, the other end of resistance R4 connects the anode of diode D3, the negative electrode connecting valve S1 of diode D2 and the positive pole of storage battery E, the winding N4 of other end connection transformer W2 of the switch S 1 and winding N5 of transformer W2, the winding N3 of the other end connection transformer W2 of the winding N4 of transformer W2, resistance R6 and electric capacity C3, the other end of resistance R6 connects the other end of electric capacity C3 and the base stage of triode V2, the other end of the winding N5 of the collector electrode connection transformer W2 of triode V2 and light fixture H, the other end of the winding N3 of the other end connection transformer W2 of light fixture H.
The rated voltage of storage battery E is 9V.Diode D3 is light-emitting diode.
Operation principle of the present utility model is: 220V line voltage is through transformer W step-down, direct voltage is provided to circuit after rectifier bridge T rectification, transient voltage suppressor diode DW effectively can eliminate the peak voltage that power-supply fluctuation produces, prevent the impact because power network fluctuation causes circuit, after storage battery E discharges into below 6V, by R2, the rc phase-shift trigger circuit of C1 composition injects triggering signal to the control pole of unidirectional thyristor Q1, unidirectional thyristor Q1 conducting, charging indicator light D3 is bright, start to charge to battery pack E, along with the prolongation in charging interval, when the both end voltage of storage battery E is elevated to about 9.2V gradually, and be elevated to about 9.0V at the voltage of the left end of isolating diode D2, voltage-stabiliser tube D1 is breakdown, base stage to triode V1 provides Continuity signal, after V1 conducting, the voltage drop of its collector electrode is to below 0.3V, unidirectional thyristor Q1 loses triggering signal and ends, charging indicator light D3 extinguishes, represent that battery is full of, only Closing Switch S1 is needed during use, by transformer W2, electric capacity C3, resistance R6, the high-frequency oscillating circuits that triode V2 forms is started working, high frequency voltage is provided to light fixture H, drive light fixture H luminous.
Claims (3)
1. a rechargeable portable lamp, comprise transformer W1, unidirectional thyristor Q1, resistance R1 and triode V1, it is characterized in that, the two ends of the winding N1 of described transformer W1 connect the two ends of 220V alternating current respectively, one end of the winding N2 of transformer W1 connects the port one of transient voltage suppressor diode DW and rectifier bridge T, the other end of the winding N2 of transformer W1 connects the other end of transient voltage suppressor diode DW and the port 3 of rectifier bridge T, the port 2 contact resistance R1 of rectifier bridge T, resistance R2, the anode of electric capacity C1 and unidirectional thyristor Q1, the other end of resistance R1 connects the other end of electric capacity C1, electric capacity C2, the other end of resistance R1, resistance R5, the negative electrode of diode D3, the port 4 of rectifier bridge T, the negative pole of storage battery E, the emitter of triode V1 and the emitter of triode V2, the other end of resistance R2 connects the other end of electric capacity C2, the collector electrode of triode V1 and the control pole of unidirectional thyristor Q1, the base stage contact resistance R2 of triode V1 and the other end of resistance R5, the other end of resistance R3 connects the anode of diode D1, the negative electrode of unidirectional thyristor Q1 connects diode D1 current potential negative electrode, the anode of diode D2 and resistance R4, the other end of resistance R4 connects the anode of diode D3, the negative electrode connecting valve S1 of diode D2 and the positive pole of storage battery E, the winding N4 of other end connection transformer W2 of the switch S 1 and winding N5 of transformer W2, the winding N3 of the other end connection transformer W2 of the winding N4 of transformer W2, resistance R6 and electric capacity C3, the other end of resistance R6 connects the other end of electric capacity C3 and the base stage of triode V2, the other end of the winding N5 of the collector electrode connection transformer W2 of triode V2 and light fixture H, the other end of the winding N3 of the other end connection transformer W2 of light fixture H.
2. a kind of rechargeable portable lamp according to claim 1, is characterized in that, the rated voltage of described storage battery E is 9V.
3. a kind of rechargeable portable lamp according to claim 1, is characterized in that, described diode D3 is light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590184.1U CN204761811U (en) | 2015-08-07 | 2015-08-07 | Portable lamp charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520590184.1U CN204761811U (en) | 2015-08-07 | 2015-08-07 | Portable lamp charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761811U true CN204761811U (en) | 2015-11-11 |
Family
ID=54476473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520590184.1U Expired - Fee Related CN204761811U (en) | 2015-08-07 | 2015-08-07 | Portable lamp charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761811U (en) |
-
2015
- 2015-08-07 CN CN201520590184.1U patent/CN204761811U/en not_active Expired - Fee Related
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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: 20151111 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |