CN203399362U - Intelligent control circuit for LED explosion-proof emergency lamp - Google Patents
Intelligent control circuit for LED explosion-proof emergency lamp Download PDFInfo
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- CN203399362U CN203399362U CN201320434639.1U CN201320434639U CN203399362U CN 203399362 U CN203399362 U CN 203399362U CN 201320434639 U CN201320434639 U CN 201320434639U CN 203399362 U CN203399362 U CN 203399362U
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- 239000003990 capacitor Substances 0.000 claims description 17
- 238000005286 illumination Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to an intelligent control circuit for an LED explosion-proof emergency lamp, and the circuit comprises a light-sensitive element, a first voltage dividing element, a second voltage dividing element, a zener diode, an operational amplifier, a triode, and a relay. The light-sensitive element and the first voltage dividing element are in series connection between the positive and negative electrodes of a power supply. The second voltage dividing element and the zener diode are in series connection between the positive and negative electrodes of the power supply. The first input end of the operational amplifier is connected to the input end of the first voltage dividing element. The second input end of the operational amplifier is connected to the input end of the zener diode. The output end of the operational amplifier is connected to the base electrode of the triode. The coil of the relay is connected to the collector electrode of the triode. The emitter electrode of the triode is connected to the negative electrode of the power supply. The intelligent control circuit provided by the utility model can control the illumination of the LED explosion-proof emergency lamp according to the light intensity, saves electric energy, and prolongs the service life of a lamp.
Description
Technical field
The utility model relates to a kind of control circuit, relates in particular to the explosion-proof emergency light circuit of a kind of intelligent control LED.
Background technology
Explosion-proof lamp is for common light fixture inflammable, explosive environments, through being usually used in the occasions such as chemical industry, oil refining, oil exploitation, common explosion-proof lamp has incandescent lamp, fluorescent material electricity-saving lamp and LED lamp at present, because LED lamp is all improving a lot aspect photoelectric conversion efficiency, life-span and fail safe, so LED explosion-proof lamp is widely used.
Granted publication is CN101440917B, Granted publication day is that the Chinese invention patent on October 5th, 2011 discloses a kind of LED explosion-proof lamp, this LED explosion-proof lamp comprises housing and LED light source, all LED light source series connection, each LED light source is a LED zener in parallel, housing is provided with and the integrated radiating block of housing and fin, explosion-proof lamp integral sealing.This invention is to take the anti-explosion lamp set that LED is light source development, there is extra long life, energy-efficient, optical property is good, safe and reliable, the advantages such as environmental protection, the LED light source of this invention is all connected, and a LED damages the normal operation that does not affect other LED light source simultaneously, and circuit is simple, explosion-proof lamp volume be can reduce, service behaviour and security performance improved greatly; The whole design that adopts integrated sealing of LED explosion-proof lamp, senior sealing is used in the connection between each parts, and degree of protection reaches IP67; Be provided with many places thermal component, assurance LED explosion-proof lamp is normally stably worked in the environment below 55 ℃; The mounting means of this invention is flexible, energy adapts to the installation requirement of various occasions when but this explosion-proof emergency luminaire is applied in outdoor lighting, while having by day or around compared with the power-off of high light line, can automatically throw light on immediately, not only waste electric energy, shortened the useful life of explosion-proof lamp simultaneously.
Utility model content
In order to overcome above-mentioned defect, the utility model provides a kind of intelligent control LED explosion-proof emergency light circuit,
This control circuit can automatically be controlled LED explosion-proof lamp according to the power of ambient light and whether throw light on, as long as extraneous light intensity surpasses the light intensity of setting, and this circuit auto-breaking, LED explosion-proof lamp does not throw light on; When extraneous light intensity lower than set light intensity time, this circuit is connected, and controls LED explosion-proof lamp automatic illuminating, has saved electric energy, has also extended the useful life of light fixture simultaneously.
In order to reach above-mentioned technique effect, the technical solution adopted in the utility model is:
The explosion-proof emergency light circuit of a kind of intelligent control LED, it is characterized in that: comprise light-sensitive element, the first sectional pressure element, the second sectional pressure element, zener diode, operational amplifier, triode and relay, described light-sensitive element and the first sectional pressure element series connection are on positive source and power cathode, described the second sectional pressure element and zener diode series connection are on positive source and power cathode, first input of described operational amplifier is connected on the input of the first sectional pressure element, second input of described operational amplifier is connected on the input of zener diode, described operational amplifier output terminal is connected in the base stage of triode, relay coil is connected on the collector electrode of triode, the emitter of described triode is connected on power cathode.
Also comprise the 3rd sectional pressure element, the input of described the 3rd sectional pressure element is connected on the input of the first sectional pressure element, and the output of described the 3rd sectional pressure element is connected on first input of described operational amplifier.
Also comprise the 4th sectional pressure element, described the 4th sectional pressure element input is connected on the output of described operational amplifier, and described the 4th sectional pressure element output is connected in the base stage of triode.
Also comprise electrochemical capacitor, the input of described electrochemical capacitor is connected on first input of described operational amplifier, and the output of described electrochemical capacitor is connected on power cathode.
Described light-sensitive element is photo resistance.
Described the first sectional pressure element and the second sectional pressure element are respectively the first divider resistance and the second divider resistance.
Described the 3rd sectional pressure element and the 4th sectional pressure element are respectively the 3rd divider resistance and the 4th divider resistance.
The utlity model has following advantage:
1, the utility model comprises light-sensitive element, the first sectional pressure element, the second sectional pressure element, zener diode, operational amplifier, triode and relay, described light-sensitive element and the first sectional pressure element series connection are on positive source and power cathode, described the second sectional pressure element and zener diode series connection are on positive source and power cathode, first input of described operational amplifier is connected on the input of the first sectional pressure element, second input of described operational amplifier is connected on the input of zener diode, described operational amplifier output terminal is connected in the base stage of triode, relay coil is connected on the collector electrode of triode, the emitter of described triode is connected on power cathode.When the light on impinging upon light-sensitive element weakens, voltage on light-sensitive element increases and the voltage of the first sectional pressure element of being in series with it reduces, and voltage on zener diode is constant, the difference of the voltage on the first sectional pressure element and zener diode reduces gradually, when these two differences are greater than zero, operational amplifier is exported a low ordinary telegram and is pressed, and light fixture does not throw light on.When these two differences are less than or equal to zero, when voltage reaches operational amplifier action request, operational amplifier is exported a Kopin voltage, and triode is full closes conducting, the actuating of relay, and lamp light source obtains electric work;
2, the effect of the 3rd sectional pressure element of the present utility model and the 4th sectional pressure element is minute to remove a part of voltage, effectively protects operational amplifier and triode by high voltage, not to be burnt out, the protective effect that it is certain.
3, electrochemical capacitor of the present utility model, for improving the dry resistance of circuit.When impinging upon light-sensitive element glazed thread transient change, the voltage of the first sectional pressure element also changes thereupon, the first sectional pressure element is in parallel with electrochemical capacitor, because electrochemical capacitor capacity is larger, be full of after electricity, its both end voltage is more stable, and the instantaneous small change in voltage voltage of influence on operational amplifier not on the first sectional pressure element has guaranteed the anti-interference of operational amplifier.
4, light-sensitive element of the present utility model is photo resistance, the first sectional pressure element and the second sectional pressure element are the first divider resistance and the second divider resistance, the 3rd sectional pressure element and the 4th sectional pressure element are the 3rd divider resistance and the 4th divider resistance, select photo resistance and divider resistance low price, be easy to control and be connected.
Accompanying drawing explanation
Fig. 1 is embodiment 1 control circuit schematic diagram;
Fig. 2 is embodiment 2 control circuit schematic diagrams;
Reference numeral R1, photo resistance, R2, the first divider resistance, R3, the second divider resistance, R4, the 3rd divider resistance, R5, the 4th divider resistance, C, electrochemical capacitor, IC358, operational amplifier, V1, voltage stabilizing didoe, V2, triode, j, relay, VCC, positive source, VC-, power cathode.
Embodiment
Embodiment 1
As shown in Figure 1, the present embodiment comprises light-sensitive element, the first sectional pressure element, the second sectional pressure element, zener diode, operational amplifier IC358, triode V2 and relay J, described light-sensitive element and the first sectional pressure element series connection are on positive source VCC and power cathode VCC-, described the second sectional pressure element and zener diode V1 series connection are on positive source VCC and power cathode VCC-, described first input of operational amplifier IC358 is connected on the input of the first sectional pressure element, second input of described operational amplifier IC358 is connected on the input of zener diode V1, described operational amplifier IC358 output is connected in the base stage of triode V2, relay J coil is connected on the collector electrode of triode V2, the emitter of described triode V2 is connected on power cathode VCC-.
Light-sensitive element is photo resistance R1.
The first sectional pressure element and the second sectional pressure element are respectively the first divider resistance R2 and the second divider resistance R3.
Described the 3rd sectional pressure element and the 4th sectional pressure element are respectively the 3rd divider resistance R4 and the 4th divider resistance R5.
When the light on impinging upon photo resistance R1 weakens, voltage on photo resistance R1 increases and the voltage of the first divider resistance R2 of being in series with it reduces, and voltage on zener diode V1 is constant, the difference of the voltage on the first divider resistance R2 and zener diode V1 reduces gradually, when these two differences are greater than zero, operational amplifier IC358 exports a low ordinary telegram and presses, and light fixture does not throw light on.When these two differences are less than or equal to zero, when voltage reaches operational amplifier IC358 action request, operational amplifier IC358 exports a Kopin voltage, and triode V2 satisfies and closes conducting, relay J action, and lamp light source obtains electric work.
Embodiment 2
As shown in Figure 2, the present embodiment comprises photo resistance R1, the first divider resistance R2, the second divider resistance R3, the 3rd divider resistance R4, the 4th divider resistance R5, zener diode V1, operational amplifier IC358, triode V2, relay J and electrochemical capacitor C, and described photo resistance R1 and the first divider resistance R2 series connection are on positive source VCC and power cathode VCC-; The second divider resistance R3 and zener diode V1 series connection are on positive source VCC and power cathode VCC-; The 3rd divider resistance R4 input is connected on the input of the first divider resistance R2, and the output of the 3rd divider resistance R4 is connected on first input of operational amplifier IC358; The 4th divider resistance input is connected on the output of operational amplifier IC358, and the 4th divider resistance output is connected in the base stage of triode V2; The input of electrochemical capacitor C is connected on first input of described operational amplifier IC358, and the output of electrochemical capacitor C saves on power cathode VCC-.
When impinging upon the enhancing of photo resistance R1 glazed thread, photo resistance R1 resistance reduces rapidly, photo resistance R1 and the first divider resistance R2 series arm electric current increase, the upper dividing potential drop of the first divider resistance R2 increases, the upper voltage of this voltage and voltage stabilizing didoe V1 acts on operational amplifier IC358 simultaneously, when these two differences are less than or equal to zero, when voltage reaches operational amplifier IC358 action request, operational amplifier IC358 exports a Kopin voltage, triode V2 satisfies and closes conducting, relay J action, lamp light source obtains electric work; When these two differences are greater than zero, operational amplifier IC358 exports a low ordinary telegram and presses, and light fixture no longer throws light on.Electrochemical capacitor C is big capacity electrolyte capacitor, for improving the dry resistance of circuit.When impinging upon photo resistance R1 glazed thread transient change, the upper branch pressure voltage of the first divider resistance R2 also changes thereupon, the first divider resistance R2 is in parallel with electrochemical capacitor C, because electrochemical capacitor C capacity is larger, be full of after electricity, its both end voltage is more stable, and the upper instantaneous small change in voltage of the first divider resistance R2 is the voltage of influence on operational amplifier IC358 not, operational amplifier IC358 exports a steady state value all the time, and J also remains original state.By the effect of control circuit, just realized like this object of Based Intelligent Control.
Claims (7)
1. the explosion-proof emergency light circuit of intelligent control LED, it is characterized in that: comprise light-sensitive element, the first sectional pressure element, the second sectional pressure element, zener diode (V1), operational amplifier (IC358), triode (V2) and relay (J), described light-sensitive element and the first sectional pressure element series connection are on positive source (VCC) and power cathode (VC-), described the second sectional pressure element and zener diode (V1) series connection are on positive source (VCC) and power cathode (VC-), first input of described operational amplifier (IC358) is connected on the input of the first sectional pressure element, second input of described operational amplifier (IC358) is connected on the input of zener diode (V1), described operational amplifier (IC358) output is connected in the base stage of triode (V2), relay (J) coil is connected on the collector electrode of triode (V2), the emitter of described triode (V2) is connected on power cathode (VC-).
2. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 1, it is characterized in that: also comprise the 3rd sectional pressure element, the input of described the 3rd sectional pressure element is connected on the input of the first sectional pressure element, and the output of described the 3rd sectional pressure element is connected on first input of described operational amplifier (IC358).
3. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 2, it is characterized in that: also comprise the 4th sectional pressure element, described the 4th sectional pressure element input is connected on the output of described operational amplifier (IC358), and described the 4th sectional pressure element output is connected in the base stage of triode (IV2).
4. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 3, it is characterized in that: also comprise electrochemical capacitor (C), the input of described electrochemical capacitor (C) is connected on first input of described operational amplifier (IC358), and the output of described electrochemical capacitor (C) is connected on power cathode (VCC-).
5. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 1, is characterized in that: described light-sensitive element is photo resistance (R1).
6. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 1, is characterized in that: described the first sectional pressure element and the second sectional pressure element are respectively the first divider resistance (R1) and the second divider resistance (R3).
7. the explosion-proof emergency light circuit of a kind of intelligent control LED according to claim 3, is characterized in that: described the 3rd sectional pressure element and the 4th sectional pressure element are respectively the 3rd divider resistance (R4) and the 4th divider resistance (R5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434639.1U CN203399362U (en) | 2013-07-22 | 2013-07-22 | Intelligent control circuit for LED explosion-proof emergency lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320434639.1U CN203399362U (en) | 2013-07-22 | 2013-07-22 | Intelligent control circuit for LED explosion-proof emergency lamp |
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| Publication Number | Publication Date |
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| CN203399362U true CN203399362U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320434639.1U Expired - Fee Related CN203399362U (en) | 2013-07-22 | 2013-07-22 | Intelligent control circuit for LED explosion-proof emergency lamp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981080A (en) * | 2015-07-23 | 2015-10-14 | 柳州铁道职业技术学院 | Intelligent emergency lamp controller |
-
2013
- 2013-07-22 CN CN201320434639.1U patent/CN203399362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981080A (en) * | 2015-07-23 | 2015-10-14 | 柳州铁道职业技术学院 | Intelligent emergency lamp controller |
| CN104981080B (en) * | 2015-07-23 | 2017-10-31 | 柳州铁道职业技术学院 | A kind of intelligent emergent lamp controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 629000 Huatai Industrial Park, 3777 ERON Road, Suining Development Zone, Sichuan, China Patentee after: SICHUAN HUATAI ELECTRICAL CO.,LTD. Address before: 629000 Huatai Industrial Park, 3777 ERON Road, Suining Development Zone, Sichuan, China Patentee before: SICHUAN HUATAI ELECTRIC CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 |