CN204929319U - Emergent LED - Google Patents
Emergent LED Download PDFInfo
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- CN204929319U CN204929319U CN201520461254.3U CN201520461254U CN204929319U CN 204929319 U CN204929319 U CN 204929319U CN 201520461254 U CN201520461254 U CN 201520461254U CN 204929319 U CN204929319 U CN 204929319U
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- diode
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Abstract
The utility model discloses an emergent LED, including rectifier bridge Q, electric capacity C1, resistance R1, triode VT1, diode D4, inductance L1, key switch S and LED banks, 220V alternating current both ends are connected respectively with rectifier bridge Q pin 3 to rectifier bridge Q pin 1, electric capacity C1 is connected respectively to rectifier bridge Q pin 2, diode D1 is anodal, resistance R5, resistance R6, resistance R7 and resistance R8, diode D1 negative pole is connecting resistance R1 respectively, electric capacity C3, electric capacity C2, diode D2 negative pole and LED banks. The utility model discloses emergent LED is supplied power by storage battery E when having a power failure automatically, and the commercial power resumes then to switch immediately to mains power supply and for storage battery E charges, and circuit structure is simple, and is small, with low costs, especially adapted using widely.
Description
Technical field
The utility model relates to a kind of LED, specifically a kind of emergency LED.
Background technology
In various disaster, fire is the most often, one of the major casualty threatening public security and social development the most at large, and the mankind can utilize fire and control, and are important symbols of civilization and progress.The mankind use the history of fire and the history of struggling with fire to be interpromoting relations in five elements together thus, and people while with fire, constantly sum up the rule that fire occurs, the harm reducing fire as much as possible and cause the mankind.
In today of modern science and technology development, people can utilize the method for various advanced person or science more detect fire or prevent, and have reached and have been nipped in the bud by fire.Such as, in electric fire disaster monitoring field, just relate to principles such as utilizing inductance and prevention and monitoring are made to fire.
And emergency light this be requisite a kind of instrument in fire fire-fighting, can lack automatic controlling by existing emergency light, a lot of product all automatically can not be closed after restoring electricity, poor sensitivity, intelligence degree is lower, and circuit structure is complicated, cost is higher, and volume is larger.
Utility model content
The purpose of this utility model is to provide the emergency LED that a kind of structure is simple, intelligence degree is high, 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 emergency LED, comprises rectifier bridge Q, electric capacity C1, resistance R1, triode VT1, diode D4, inductance L 1, key switch S and LED group, described rectifier bridge Q pin 1 is connected 220V alternating current two ends respectively with rectifier bridge Q pin 3, and rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole, resistance R5, resistance R6, resistance R7 and resistance R8, diode D1 negative pole is contact resistance R1 respectively, electric capacity C3, electric capacity C2, diode D2 negative pole and LED group, diode D2 positive pole connects diode D3 negative pole respectively, electric capacity C4, ground connection diode D4 negative pole and triode VT1 collector electrode, the electric capacity C4 other end is contact resistance R2 and triode VT2 base stage respectively, triode VT2 collector electrode connecting triode VT1 base stage, and triode VT1 emitter connects rectifier bridge Q pin 4 respectively, the electric capacity C1 other end, the resistance R1 other end, the electric capacity C2 other end, the electric capacity C3 other end, the resistance R2 other end, resistance R4, triode VT3 emitter, batteries E negative pole, resistance R12, triode VT5 emitter, light-emitting diode D7 negative pole, light-emitting diode D8 negative pole, key switch S and the LED group other end, the resistance R4 other end is contact resistance R3 respectively, the resistance R5 other end and triode VT3 base stage, the resistance R3 other end connects inductance L 1 respectively, triode VT2 emitter and triode VT4 collector electrode, inductance L 1 other end connects diode D3 positive pole, described triode VT3 collector electrode contact resistance R10, the resistance R10 other end is connecting triode VT4 base stage and resistance R11, resistance R11 other end connecting triode VT4 emitter respectively respectively, batteries E positive pole and diode D6 negative pole, the described diode D5 positive pole contact resistance R6 other end, described diode D6 positive pole is the contact resistance R8 other end and resistance R9 respectively, the resistance R9 other end is the contact resistance R12 other end and triode VT5 base stage respectively, triode VT5 collector electrode is contact resistance R13 and light-emitting diode D7 positive pole respectively, and the resistance R13 other end is the contact resistance R7 other end respectively, the key switch S other end and resistance R14, resistance R14 other end connecting luminous diode D8 positive pole.
As the utility model further scheme: described diode D4 is voltage stabilizing didoe.
Compared with prior art, the beneficial effects of the utility model are: the utility model emergency LED is powered by batteries E automatically when having a power failure, city power recovery is then switched to mains-supplied immediately and is batteries E charging, the peak voltage clamper that produced by circuit of diode D3 and diode D4 tandem energy is to safety value in addition, improving stability, circuit structure is simple, and volume is little, cost is low, is applicable to very much promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of emergency LED.
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 emergency LED, comprises rectifier bridge Q, electric capacity C1, resistance R1, triode VT1, diode D4, inductance L 1, key switch S and LED group, rectifier bridge Q pin 1 is connected 220V alternating current two ends respectively with rectifier bridge Q pin 3, and rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole, resistance R5, resistance R6, resistance R7 and resistance R8, diode D1 negative pole is contact resistance R1 respectively, electric capacity C3, electric capacity C2, diode D2 negative pole and LED group, diode D2 positive pole connects diode D3 negative pole respectively, electric capacity C4, ground connection diode D4 negative pole and triode VT1 collector electrode, the electric capacity C4 other end is contact resistance R2 and triode VT2 base stage respectively, triode VT2 collector electrode connecting triode VT1 base stage, and triode VT1 emitter connects rectifier bridge Q pin 4 respectively, the electric capacity C1 other end, the resistance R1 other end, the electric capacity C2 other end, the electric capacity C3 other end, the resistance R2 other end, resistance R4, triode VT3 emitter, batteries E negative pole, resistance R12, triode VT5 emitter, light-emitting diode D7 negative pole, light-emitting diode D8 negative pole, key switch S and the LED group other end, the resistance R4 other end is contact resistance R3 respectively, the resistance R5 other end and triode VT3 base stage, the resistance R3 other end connects inductance L 1 respectively, triode VT2 emitter and triode VT4 collector electrode, inductance L 1 other end connects diode D3 positive pole, triode VT3 collector electrode contact resistance R10, the resistance R10 other end is connecting triode VT4 base stage and resistance R11, resistance R11 other end connecting triode VT4 emitter respectively respectively, batteries E positive pole and diode D6 negative pole, the diode D5 positive pole contact resistance R6 other end, diode D6 positive pole is the contact resistance R8 other end and resistance R9 respectively, the resistance R9 other end is the contact resistance R12 other end and triode VT5 base stage respectively, triode VT5 collector electrode is contact resistance R13 and light-emitting diode D7 positive pole respectively, and the resistance R13 other end is the contact resistance R7 other end respectively, the key switch S other end and resistance R14, resistance R14 other end connecting luminous diode D8 positive pole.
Diode D4 is voltage stabilizing didoe.
Operation principle of the present utility model is: refer to Fig. 1, and the decompression rectifier filter circuit be made up of electric capacity C1, rectifier bridge Q when civil power 220V is normal is powered, and electric capacity C1 forms direct voltage, through diode D1 for LED group provides power supply.Meanwhile, this voltage again through resistance R8, diode D6 be batteries E charging, if the batteries E in charging is not yet full of, make voltage between diode D6 positive pole and the negative pole of batteries E also on the low side because its terminal voltage is lower, to make on resistance R9, resistance R12 loop dividing potential drop lower than the bias voltage of triode VT5 thus, so triode VT5 ends, on electric capacity C1, voltage is directly added on light-emitting diode D7 through R13, indicates as charged state.
In addition, on electric capacity C1 voltage again through resistance R5, resistance R6 be triode VT3, triode VT4 meets an urgent need translation function circuit supply, though resistance R5 makes triode VT3 obtain bias voltage conducting, but because potential value in now triode VT4 base stage is higher than its emitter pole, thus triode VT4 is also in cut-off state.Once run into mains failure, in the temporal program due to storage tension discharge former on electric capacity C1, triode VT3 still conducting, therefore the electricity of rechargeable battery will make triode VT4 conducting immediately.Like this, batteries E is that triode VT1 and triode VT2 power by triode VT4 immediately, triode VT1 and triode VT2 is saturation type self-maintained circuit, oscillating current passes through inductance L 1 and produces higher self-induction electromotive force at its two ends, and the direct voltage of about tens volts is treated to again by electric capacity C2, C3, as the supply power voltage of driving LED lamp group, for its illumination.If civil power recovers, then working morphology when circuit will recover initial: load LED lamp group changes by the main power supply state of civil power automatically; Batteries E also cuts Charging state with supplementary electricity; The peak voltage clamper that produced by circuit of diode D3 and diode D4 tandem energy is to safety value in addition, improving stability.
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 (2)
1. an emergency LED, comprises rectifier bridge Q, electric capacity C1, resistance R1, triode VT1, diode D4, inductance L 1, key switch S and LED group, is characterized in that, described rectifier bridge Q pin 1 is connected 220V alternating current two ends respectively with rectifier bridge Q pin 3, and rectifier bridge Q pin 2 connects electric capacity C1 respectively, diode D1 positive pole, resistance R5, resistance R6, resistance R7 and resistance R8, diode D1 negative pole is contact resistance R1 respectively, electric capacity C3, electric capacity C2, diode D2 negative pole and LED group, diode D2 positive pole connects diode D3 negative pole respectively, electric capacity C4, ground connection diode D4 negative pole and triode VT1 collector electrode, the electric capacity C4 other end is contact resistance R2 and triode VT2 base stage respectively, triode VT2 collector electrode connecting triode VT1 base stage, and triode VT1 emitter connects rectifier bridge Q pin 4 respectively, the electric capacity C1 other end, the resistance R1 other end, the electric capacity C2 other end, the electric capacity C3 other end, the resistance R2 other end, resistance R4, triode VT3 emitter, batteries E negative pole, resistance R12, triode VT5 emitter, light-emitting diode D7 negative pole, light-emitting diode D8 negative pole, key switch S and the LED group other end, the resistance R4 other end is contact resistance R3 respectively, the resistance R5 other end and triode VT3 base stage, the resistance R3 other end connects inductance L 1 respectively, triode VT2 emitter and triode VT4 collector electrode, inductance L 1 other end connects diode D3 positive pole, described triode VT3 collector electrode contact resistance R10, the resistance R10 other end is connecting triode VT4 base stage and resistance R11, resistance R11 other end connecting triode VT4 emitter respectively respectively, batteries E positive pole and diode D6 negative pole, the described diode D5 positive pole contact resistance R6 other end, described diode D6 positive pole is the contact resistance R8 other end and resistance R9 respectively, the resistance R9 other end is the contact resistance R12 other end and triode VT5 base stage respectively, triode VT5 collector electrode is contact resistance R13 and light-emitting diode D7 positive pole respectively, and the resistance R13 other end is the contact resistance R7 other end respectively, the key switch S other end and resistance R14, resistance R14 other end connecting luminous diode D8 positive pole.
2. emergency LED according to claim 1, is characterized in that, described diode D4 is voltage stabilizing didoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461254.3U CN204929319U (en) | 2015-07-01 | 2015-07-01 | Emergent LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520461254.3U CN204929319U (en) | 2015-07-01 | 2015-07-01 | Emergent LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204929319U true CN204929319U (en) | 2015-12-30 |
Family
ID=54978411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520461254.3U Expired - Fee Related CN204929319U (en) | 2015-07-01 | 2015-07-01 | Emergent LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204929319U (en) |
-
2015
- 2015-07-01 CN CN201520461254.3U patent/CN204929319U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160701 |