CN202335002U - Environmentally-friendly light-emitting diode (LED) electric torch - Google Patents
Environmentally-friendly light-emitting diode (LED) electric torch Download PDFInfo
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- CN202335002U CN202335002U CN2011204510838U CN201120451083U CN202335002U CN 202335002 U CN202335002 U CN 202335002U CN 2011204510838 U CN2011204510838 U CN 2011204510838U CN 201120451083 U CN201120451083 U CN 201120451083U CN 202335002 U CN202335002 U CN 202335002U
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Abstract
The utility model relates to an environmentally-friendly light-emitting diode (LED) electric torch. The environmentally-friendly LED electric torch comprises a switch voltage-stabilizing circuit, wherein a charging plug S1 for connecting a 220V alternating current power supply is arranged at the input end of the switch voltage-stabilizing circuit, and the output end of the switch voltage-stabilizing circuit is connected with the input end of a charging display circuit; an indication lamp for displaying the charging state is arranged on the charging display circuit; the charging display circuit is connected with an LED lighting circuit through a charging switch S2; the charging plug S1 and the charging switch S2 are interlocked switches; and the LED lighting circuit consists of a lamp switch S3, a lithium battery B and an LED lamp group which are connected in series. According to the environmentally-friendly LED electric torch, the lithium battery B is used as a power supply of the electric torch, and is charged through a plug, which is connected with a 220V commercial power supply, of the switch voltage-stabilizing circuit, and the current charging state is displayed by the charging display circuit, so that the waste of energy sources and economic losses can be reduced, and the environmental friendliness is strong. The environmentally-friendly LED electric torch also has the advantages of small volume, light weight, portability, low fault rate and the like.
Description
Technical field
The utility model relates to flashlight art, especially a kind of environment-friendly type LED flashlight.
Background technology
Along with improving constantly of electronic technology and scientific and technological level, the LED illumination is replacing other lighting apparatus to realize energy-conservationization on the electrical equipment.Because LED illumination at present still is a kind of novel energy-saving illumination technology; A lot of common LED flashlights are arranged on the market; Producer is in order to practice thrift cost, employing all be simple charging circuit and short-life dilute sulfuric acid battery, the useful life of dilute sulfuric acid battery is short, volume is big, the charging interval is long, it is shorter to deposit the electricity time; And the life-span of LED lamp is longer, and its life-span reaches 100,000 hours in using proper circuit.When simple charging circuit and short-life dilute sulfuric acid battery use on flashlight; Because the dilute sulfuric acid battery is fragile; Simple charging circuit will be exported unsettled tens volts even a few hectovolt voltage, causes burning out the LED lamp, not environmental protection of the utmost point; Can produce extremely many electronic wastes, cause environmental pollution.
Long service life, the volume of lithium battery is little, the charging interval is fast; Deposit the electricity time long; Yet discarded at present lithium battery is a lot; This is because mobile communication and digital product etc. develop and popularize renewal rapidly, and the chargeable lithium cell that makes a large amount of old mobile phones and digital product use is idle to be lost until discarded, not only wastes resource but also pollute the environment.A kind of LED flashlight that discarded chargeable lithium cell energy regeneration is used does not also appear on the market.
The utility model content
The purpose of the utility model be to provide a kind of utilize waste and old chargeable lithium cell as flash-light battery, carry out reusing of energy source, environment friendly and pollution-free environment-friendly type LED flashlight.
For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of environment-friendly type LED flashlight; Comprise switch voltage-stabilizing circuit, its input is provided for connecing the charging plug S1 of 220V alternating current, and its output links to each other with the input of charging display circuit; Be provided for showing the indicator light of charged state on the charging display circuit; The charging display circuit links to each other with the LED lighting circuit through charging diverter switch S2, and charging plug S1 and charging diverter switch S2 are interlocking switch, and described LED lighting circuit is in series by lamp switch S3, lithium battery B and LED lamp group.
Can know by technique scheme; The utility model utilizes the power supply of lithium battery B as flashlight, and the plug through switch voltage-stabilizing circuit connects the 220V civil power lithium battery is charged, and shows current charged state through the charging display circuit; Chargeable cellular li-ion battery idle, waste and old in the family and other digital product lithium battery etc. are used; Reduce the waste of the energy, can reduce economic loss, the feature of environmental protection is strong.The utility model also has advantages such as little, in light weight, the easy to carry and spoilage of volume is low.
Description of drawings
Fig. 1 is the circuit theory diagrams of the utility model.
Embodiment
A kind of environment-friendly type LED flashlight; Comprise switch voltage-stabilizing circuit 1; Its input is provided for connecing the charging plug S1 of 220V alternating current, and its output links to each other with the input of charging display circuit 2, is provided for showing the indicator light of charged state on the charging display circuit 2; Charging display circuit 2 links to each other with LED lighting circuit 3 through charging diverter switch S2; Charging plug S1 and charging diverter switch S2 are interlocking switch, and described LED lighting circuit 3 is in series by lamp switch S3, lithium battery B and LED lamp group, and is as shown in Figure 1.
As shown in Figure 1, described lamp switch S3 is the third gear toggle switch, and the end of lamp switch S3 links to each other with LED lamp group, and the other end of lamp switch S3 links to each other with the negative pole of lithium battery B.Described LED lamp group is composed in parallel by a plurality of light-emitting diodes, and the number of described light-emitting diode is 15.
As shown in Figure 1, described switch voltage-stabilizing circuit 1 comprises charging plug S1, and the one of which end links to each other with the anode of diode D1; Its other end links to each other with an end of resistance R 1; The negative electrode of diode D1 meets the first primary coil L1 of transformer T1, and electric capacity E1 is connected across on the negative electrode and resistance R 1 of diode D1, and the collector electrode of triode Q2 meets the first primary coil L1 of transformer T1; The base stage of triode Q2 links to each other with the collector electrode of triode Q1; The emitter of triode Q2 links to each other with the end of resistance R 5, R7 respectively, and the other end of resistance R 5 links to each other with the base stage of resistance R 6, triode Q1 respectively, and the collector electrode of triode Q1 meets the second primary coil L2 of transformer T1 successively through capacitor C 1, resistance R 4; The other end of resistance R 7 links to each other with the anode of resistance R 6, voltage stabilizing didoe Z1 respectively; The negative electrode of voltage stabilizing didoe Z1 meets the second primary coil L2 of transformer T1, and electric capacity E2, resistance R 8 are attempted by on the voltage stabilizing didoe Z1, and the secondary coil L3 of transformer T1 links to each other with the input of charging display circuit 2.
As shown in Figure 1; Described charging display circuit 2 comprises the USB interface chip, and its 1st pin links to each other with the negative electrode of diode D3, the end of charging diverter switch S2 respectively, and the anode of diode D3 links to each other with the secondary coil L3 of transformer T1; The other end of charging diverter switch S2 links to each other with the end of lamp switch S3, the anode of lithium battery B respectively; The 2nd, 3 pins of USB interface chip link to each other, and the 4th pin of USB interface chip links to each other with the emitter of triode Q3, and described indicator light comprises light-emitting diode D5, D6; The collector electrode of triode Q3 links to each other with the anode of light-emitting diode D6, an end of resistance R 10 respectively; The negative electrode of light-emitting diode D6 connects the emitter of triode Q3, and resistance R 9 links to each other with the anode of light-emitting diode D5, and electric capacity E3 is connected across on the secondary coil L3 of transformer T1.Described light-emitting diode D5 is a green LED, and light-emitting diode D6 is a red light emitting diodes.
Below in conjunction with Fig. 1 the utility model is further described.
After charging plug S1 release, charging diverter switch S2 is closed simultaneously, at this moment; S1 connects civil power with charging plug; Or connect external power supply through the USB interface chip, and all can make light-emitting diode D5 bright, promptly green light is bright; Expression is charged to lithium battery B, and light-emitting diode D5 is the charging display lamp.After lithium battery B was full of electricity, light-emitting diode D5 went out, and light-emitting diode D6 is bright, and promptly red light is bright, and expression is full of electricity, and light-emitting diode D6 is for being full of electric indicator light.
If lithium battery B itself has electric weight, when need not to connect civil power or external power charging, directly promote lamp switch S3, when shifting 1 grade onto, there are 5 light-emitting diodes to light; When shifting 2 grades onto, 15 light-emitting diodes are all lighted; 3 grades for closing shelves, and 15 light-emitting diodes go out entirely.
After charging plug S1 connect civil power, an end was through diode D1 halfwave rectifier, the other end through current-limiting resistance R1 after; By electric capacity E1 filtering, when triode Q2 turn-offs, be responsible for the induced voltage on the absorbing coil; Thereby prevent that high pressure is added to triode Q2 and causes puncturing, resistance R 3 is a starting resistance, the base current that starts usefulness is provided for triode Q2; Triode Q1 is the multiple tube of triode Q2; Resistance R 5, R6, R7 are current sampling resistor, and electric current through resistance R 5, adds on the base stage of triode Q1 after sampling.When sampling voltage during greater than 1.4V, when promptly the electric current of triode Q1 is greater than 0.14A, triode Q1 conducting; Thereby the base voltage of triode Q2 is dragged down, thereby collector current reduces, so just limited the electric current of switch; Prevent that electric current is excessive and burn triode Q2, capacitor C 1 is formed the positive feedback networks with resistance R 4, and diode D2 is reverse rectifying tube; Voltage-stabiliser tube Z1 is used for benchmark voltage stabilizing on the feedback coil; Electric capacity E2 is used for filtering, and resistance R 8 is a pressure limiting resistance, voltage-stabiliser tube Z1, electric capacity E2,8 clampers of resistance R, the signal amplitude that prevents bias voltage, feedback is excessive and cause triode Q2 saturated, burn out.
The utility model utilizes the power supply of lithium battery B as flashlight; And the plug through switch voltage-stabilizing circuit 1 connects the 220V civil power lithium battery is charged; Show current charged state through charging display circuit 2, chargeable cellular li-ion battery idle, waste and old in the family and other digital product lithium battery etc. are used, reduce the waste of the energy; Can reduce economic loss, the feature of environmental protection is strong.The utility model also has advantages such as little, in light weight, the easy to carry and spoilage of volume is low.
Claims (6)
1. environment-friendly type LED flashlight; It is characterized in that: comprise switch voltage-stabilizing circuit (1); Its input is provided for connecing the charging plug S1 of 220V alternating current; Its output links to each other with the input of charging display circuit (2), is provided for showing the indicator light of charged state on the charging display circuit (2), and charging display circuit (2) links to each other with LED lighting circuit (3) through charging diverter switch S2; Charging plug S1 and charging diverter switch S2 are interlocking switch, and described LED lighting circuit (3) is in series by lamp switch S3, lithium battery B and LED lamp group.
2. environment-friendly type LED flashlight according to claim 1 is characterized in that: described lamp switch S3 is the third gear toggle switch, and the end of lamp switch S3 links to each other with LED lamp group, and the other end of lamp switch S3 links to each other with the negative pole of lithium battery B.
3. environment-friendly type LED flashlight according to claim 1 is characterized in that: described LED lamp group is composed in parallel by a plurality of light-emitting diodes, and the number of described light-emitting diode is 15.
4. environment-friendly type LED flashlight according to claim 1; It is characterized in that: described switch voltage-stabilizing circuit (1) comprises charging plug S1; The one of which end links to each other with the anode of diode D1, and its other end links to each other with an end of resistance R 1, and the negative electrode of diode D1 meets the first primary coil L1 of transformer T1; Electric capacity E1 is connected across on the negative electrode and resistance R 1 of diode D1; The collector electrode of triode Q2 meets the first primary coil L1 of transformer T1, and the base stage of triode Q2 links to each other with the collector electrode of triode Q1, and the emitter of triode Q2 links to each other with the end of resistance R 5, R7 respectively; The other end of resistance R 5 links to each other with the base stage of resistance R 6, triode Q1 respectively; The collector electrode of triode Q1 meets the second primary coil L2 of transformer T1 successively through capacitor C 1, resistance R 4, the other end of resistance R 7 links to each other with the anode of resistance R 6, voltage stabilizing didoe Z1 respectively, and the negative electrode of voltage stabilizing didoe Z1 meets the second primary coil L2 of transformer T1; Electric capacity E2, resistance R 8 are attempted by on the voltage stabilizing didoe Z1, and the secondary coil L3 of transformer T1 links to each other with the input of charging display circuit (2).
5. environment-friendly type LED flashlight according to claim 4; It is characterized in that: described charging display circuit (2) comprises the USB interface chip; Its 1st pin links to each other with the negative electrode of diode D3, the end of charging diverter switch S2 respectively; The anode of diode D3 links to each other with the secondary coil L3 of transformer T1, and the other end of charging diverter switch S2 links to each other with the end of lamp switch S3, the anode of lithium battery B respectively, and the 2nd, 3 pins of USB interface chip link to each other; The 4th pin of USB interface chip links to each other with the emitter of triode Q3; Described indicator light comprises light-emitting diode D5, D6, and the collector electrode of triode Q3 links to each other with the anode of light-emitting diode D6, an end of resistance R 10 respectively, and the negative electrode of light-emitting diode D6 connects the emitter of triode Q3; Resistance R 9 links to each other with the anode of light-emitting diode D5, and electric capacity E3 is connected across on the secondary coil L3 of transformer T1.
6. environment-friendly type LED flashlight according to claim 5 is characterized in that: described light-emitting diode D5 is a green LED, and light-emitting diode D6 is a red light emitting diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204510838U CN202335002U (en) | 2011-11-15 | 2011-11-15 | Environmentally-friendly light-emitting diode (LED) electric torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204510838U CN202335002U (en) | 2011-11-15 | 2011-11-15 | Environmentally-friendly light-emitting diode (LED) electric torch |
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| Publication Number | Publication Date |
|---|---|
| CN202335002U true CN202335002U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204510838U Expired - Fee Related CN202335002U (en) | 2011-11-15 | 2011-11-15 | Environmentally-friendly light-emitting diode (LED) electric torch |
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| CN (1) | CN202335002U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787042A (en) * | 2016-12-21 | 2017-05-31 | 江西佰仕通电子科技有限公司 | Aptitude chargeable circuit |
-
2011
- 2011-11-15 CN CN2011204510838U patent/CN202335002U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787042A (en) * | 2016-12-21 | 2017-05-31 | 江西佰仕通电子科技有限公司 | Aptitude chargeable circuit |
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| Date | Code | Title | Description |
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| 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: 20120711 Termination date: 20171115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |