CN205754941U - A kind of photovoltaic voltage stabilizing LED illumination lamp - Google Patents
A kind of photovoltaic voltage stabilizing LED illumination lamp Download PDFInfo
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- CN205754941U CN205754941U CN201620416257.XU CN201620416257U CN205754941U CN 205754941 U CN205754941 U CN 205754941U CN 201620416257 U CN201620416257 U CN 201620416257U CN 205754941 U CN205754941 U CN 205754941U
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Abstract
The utility model discloses a kind of photovoltaic voltage stabilizing LED illumination lamp, including solar panels T, diode D2, relay J and three end adjustable reference source P, one end of described solar panels T connects the anode of diode D1, the negative electrode of diode D1 connects the other end of the positive pole of accumulator E, the negative electrode of diode D2 and the contact J 1 of relay J, the contact J 1 of relay J and connects resistance R1 and LED lamp H.This utility model photovoltaic voltage stabilizing LED illumination lamp simple in construction, components and parts are few, utilize solar energy as the energy, and it is provided with light-dependent control element in circuit, utilizes voltage stabilizing element and voltage comparator to realize the purpose of voltage stabilizing simultaneously, therefore there is diverse in function, the easy to use and advantage of saves energy.
Description
Technical field
This utility model relates to a kind of lighting circuit, specifically a kind of photovoltaic voltage stabilizing LED illumination lamp.
Background technology
LED is acknowledged as the forth generation light source of green, is a kind of solid cold light source, has the plurality of advantages such as efficient, life-span length, safety and environmental protection, volume little, high reliability, fast response time.Reach same illuminating effect at present; the power consumption of LED is about the 1/10 of electric filament lamp; the 1/2 of fluorescent lamp; LED power circuit is most important for LED; major part LED lamp still uses common power supply to power at present, and its stability is poor, is easily caused overvoltage, crosses problems such as flowing, under-voltage; thus burn LED lamp, minority has the LED power of defencive function and there is also function singleness, protected effect shortcoming poor, baroque.
Utility model content
The purpose of this utility model is to provide the photovoltaic voltage stabilizing LED illumination lamp of a kind of simple in construction, stable performance, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of photovoltaic voltage stabilizing LED illumination lamp，Including solar panels T、Diode D2、Relay J and three end adjustable reference source P，One end of described solar panels T connects the anode of diode D1，The negative electrode of diode D1 connects the positive pole of accumulator E、The negative electrode of diode D2 and the contact J-1 of relay J，The other end of the contact J-1 of relay J connects resistance R1 and LED lamp H，The anode of diode D2 connects relay J，The negative pole of accumulator E connects the other end of solar panels T、The other end of relay J、The emitter stage of audion V3、The fixing end of of potentiometer RP1、Resistance R6 and the anode of three end adjustable reference source P，The colelctor electrode of the other end connecting triode V3 of resistance R1、Resistance R4、Resistance R5、The negative electrode of three end adjustable reference source P、The reference pole of three end adjustable reference source P、The pin 3 of resistance R3 and chip IC 1，The pin 1 of chip IC 1 connects the other end and the resistance R2 of resistance R3，The other end of resistance R2 connects the other end and the pin 4 of chip IC 1 of resistance R4，The other end of resistance R5 connects another fixing end of potentiometer RP1、The sliding end of potentiometer RP1 and the pin 3 of chip IC 2，The pin 1 of chip IC 2 connects the other end and the emitter stage of audion V2 of resistance R6，The emitter stage of the base stage connecting triode V1 of audion V2，The colelctor electrode of audion V1 connects the other end and the colelctor electrode of audion V2 of LED lamp H，The base stage of audion V1 connects the pin 4 of chip IC 2，Described chip IC 1、The model of chip IC 2 and chip IC 3 is LM321.
As preferred version of the present utility model: the model of described three end adjustable reference source P is TL431.
Compared with prior art, the beneficial effects of the utility model are: this utility model photovoltaic voltage stabilizing LED illumination lamp simple in construction, components and parts are few, utilize solar energy as the energy, and it is provided with light-dependent control element in circuit, utilize voltage stabilizing element and voltage comparator to realize the purpose of voltage stabilizing simultaneously, therefore there is diverse in function, the easy to use and advantage of saves energy.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of photovoltaic voltage stabilizing LED illumination lamp.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of photovoltaic voltage stabilizing LED illumination lamp，Including solar panels T、Diode D2、Relay J and three end adjustable reference source P，One end of described solar panels T connects the anode of diode D1，The negative electrode of diode D1 connects the positive pole of accumulator E、The negative electrode of diode D2 and the contact J-1 of relay J，The other end of the contact J-1 of relay J connects resistance R1 and LED lamp H，The anode of diode D2 connects relay J，The negative pole of accumulator E connects the other end of solar panels T、The other end of relay J、The emitter stage of audion V3、The fixing end of of potentiometer RP1、Resistance R6 and the anode of three end adjustable reference source P，The colelctor electrode of the other end connecting triode V3 of resistance R1、Resistance R4、Resistance R5、The negative electrode of three end adjustable reference source P、The reference pole of three end adjustable reference source P、The pin 3 of resistance R3 and chip IC 1，The pin 1 of chip IC 1 connects the other end and the resistance R2 of resistance R3，The other end of resistance R2 connects the other end and the pin 4 of chip IC 1 of resistance R4，The other end of resistance R5 connects another fixing end of potentiometer RP1、The sliding end of potentiometer RP1 and the pin 3 of chip IC 2，The pin 1 of chip IC 2 connects the other end and the emitter stage of audion V2 of resistance R6，The emitter stage of the base stage connecting triode V1 of audion V2，The colelctor electrode of audion V1 connects the other end and the colelctor electrode of audion V2 of LED lamp H，The base stage of audion V1 connects the pin 4 of chip IC 2，Described chip IC 1、The model of chip IC 2 and chip IC 3 is LM321.
The model of three end adjustable reference source P is TL431.
Operation principle of the present utility model is: solar panels T is completed opto-electronic conversion and is transferred in accumulator E by diode D1 by electric energy, existence due to phototriode V3, audion V3 conducting during daytime, 3 feet of chip IC 1 are low level, its output low level, make chip IC 2 output low level, audion V1 and audion V2 cut-off, LED H does not works, only during insufficient light in evening, phototriode V3 ends, chip IC 1 in-phase end output high level, chip IC 1 is as the criterion constant-current source circuit in circuit, three end adjustable reference source P are made to produce constant reference voltage, so that during input voltage change, electric current on P is held essentially constant.R6 is current sampling resistor, carries out current feedback, makes the current constant of LED H.Potentiometer RP1 is added in the voltage of chip IC 2 in-phase input end for regulation, thus changes the output voltage of chip IC 2, and then reaches to regulate the purpose of the switch module of audion V1 and audion V2 composition, it is achieved the regulation to LED H.Diode D2 and relay J are under-voltage protective module, and when voltage is normal, relay J turns on, the J-1 adhesive of its contact, and circuit obtains electric, and when running into under-voltage, J disconnects, and protection accumulator is from under-voltage damage.
Claims (2)
- null1. a photovoltaic voltage stabilizing LED illumination lamp，Including solar panels T、Diode D2、Relay J and three end adjustable reference source P，It is characterized in that，One end of described solar panels T connects the anode of diode D1，The negative electrode of diode D1 connects the positive pole of accumulator E、The negative electrode of diode D2 and the contact J-1 of relay J，The other end of the contact J-1 of relay J connects resistance R1 and LED lamp H，The anode of diode D2 connects relay J，The negative pole of accumulator E connects the other end of solar panels T、The other end of relay J、The emitter stage of audion V3、The fixing end of of potentiometer RP1、Resistance R6 and the anode of three end adjustable reference source P，The colelctor electrode of the other end connecting triode V3 of resistance R1、Resistance R4、Resistance R5、The negative electrode of three end adjustable reference source P、The reference pole of three end adjustable reference source P、The pin 3 of resistance R3 and chip IC 1，The pin 1 of chip IC 1 connects the other end and the resistance R2 of resistance R3，The other end of resistance R2 connects the other end and the pin 4 of chip IC 1 of resistance R4，The other end of resistance R5 connects another fixing end of potentiometer RP1、The sliding end of potentiometer RP1 and the pin 3 of chip IC 2，The pin 1 of chip IC 2 connects the other end and the emitter stage of audion V2 of resistance R6，The emitter stage of the base stage connecting triode V1 of audion V2，The colelctor electrode of audion V1 connects the other end and the colelctor electrode of audion V2 of LED lamp H，The base stage of audion V1 connects the pin 4 of chip IC 2，Described chip IC 1、The model of chip IC 2 and chip IC 3 is LM321.
- Photovoltaic voltage stabilizing LED illumination lamp the most according to claim 1, it is characterised in that the model of described three end adjustable reference source P is TL431.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416257.XU CN205754941U (en) | 2016-05-10 | 2016-05-10 | A kind of photovoltaic voltage stabilizing LED illumination lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620416257.XU CN205754941U (en) | 2016-05-10 | 2016-05-10 | A kind of photovoltaic voltage stabilizing LED illumination lamp |
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| CN205754941U true CN205754941U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620416257.XU Expired - Fee Related CN205754941U (en) | 2016-05-10 | 2016-05-10 | A kind of photovoltaic voltage stabilizing LED illumination lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642742A (en) * | 2017-10-16 | 2018-01-30 | 烟台宇诚企业管理咨询有限公司 | A kind of optical road lamp bar with multiple-protection function |
| CN107994670A (en) * | 2017-12-18 | 2018-05-04 | 陈勇 | A kind of water quality testing meter power supply circuit |
-
2016
- 2016-05-10 CN CN201620416257.XU patent/CN205754941U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107642742A (en) * | 2017-10-16 | 2018-01-30 | 烟台宇诚企业管理咨询有限公司 | A kind of optical road lamp bar with multiple-protection function |
| CN107994670A (en) * | 2017-12-18 | 2018-05-04 | 陈勇 | A kind of water quality testing meter power supply circuit |
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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: 20161130 Termination date: 20170510 |