CN105657908A - Power outage emergency illuminating system - Google Patents
Power outage emergency illuminating system Download PDFInfo
- Publication number
- CN105657908A CN105657908A CN201610167078.1A CN201610167078A CN105657908A CN 105657908 A CN105657908 A CN 105657908A CN 201610167078 A CN201610167078 A CN 201610167078A CN 105657908 A CN105657908 A CN 105657908A
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- China
- Prior art keywords
- resistance
- connects
- photodiode
- electric capacity
- electrode
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a power outage emergency illuminating system. The input end of a rectifier bridge is used for receiving city power, the positive output end of the rectifier bridge is connected one end of a first capacitor and one end of a first resistor, the negative output end of the rectifier bridge is connected with the other end of the first capacitor and the cathode of a first light-emitting diode, and the anode of the first light-emitting diode is connected with the other end of the first resistor; the positive electrode of a dry battery is connected with one end of a second resistor and the emitting electrode of a PNP triode, the negative electrode of the dry battery is connected with one end of an illuminating lamp, the emitting electrode of an NPN triode and one end of a photosensitive resistor, the other end of the photosensitive resistor is connected with the other end of the second resistor, one end of a third resistor and the base electrode of the NPN triode, the collector electrode of the NPN triode is connected with the base electrode of the PNP triode, the collector electrode of the PNP triode is connected with the other end of the illuminating lamp and one end of a second capacitor, and the other end of the second capacitor is connected with the other end of the third resistor. The power outage emergency illuminating system can achieve the automatic illuminating effect during power outage.
Description
Technical field
The present invention relates to lighting technical field, it is specifically related to a kind of power-cut emergency lighting system.
Background technology
Suddenly have a power failure and may damage electrical equipment, and directly affect the orthobiosis of people. Have a power failure, namely stop electric power transmission, make electrical equipment cannot obtain outside power supply. Comprise: artificially have a power failure, such as maintenance circuit, use electricity in off-peak hours, power cuts to limit consumption, owing electricity charges etc.; Protection have a power failure, as anti-lightning strike, prevent electrical equipment overload etc.; Accidental power failure, such as artificial destruction, severe weather, short circuit, unexpected open circuit etc. A kind of power-cut emergency lighting system is provided to be need and be suitable for each family, even if because living in the house in big city, the power failure that also can often run into the reasons such as the special needs due to arrearage, power supply department, chance failure and indoor fuse burn-out and cause.
Summary of the invention
To be solved by this invention is the problem cannot thrown light on after having a power failure.
The present invention is achieved through the following technical solutions:
A kind of power-cut emergency lighting system, comprises rectification bridge, the first electric capacity, the 2nd electric capacity, the first resistance, the 2nd resistance, the 3rd resistance, photovaristor, the first photodiode, NPN triode, PNP triode, head light and drying battery, the input terminus of described rectification bridge is for receiving city's electricity, the positive output end of described rectification bridge connects one end of described first electric capacity and one end of described first resistance, the negative output terminal of described rectification bridge connects the other end of described first electric capacity and the negative electrode of described first photodiode, and the anode of described first photodiode connects the other end of described first resistance, the positive pole of described drying battery connects described one end of 2nd resistance and the emtting electrode of described PNP triode, the negative pole of described drying battery connects one end of described head light, the emtting electrode of described NPN triode and one end of described photovaristor, the other end of described photovaristor connects the other end of described 2nd resistance, one end of described 3rd resistance and the base stage of described NPN triode, the collector electrode of described NPN triode connects the base stage of described PNP triode, the collector electrode of described PNP triode connects the other end of described head light and one end of described 2nd electric capacity, the other end of described 2nd electric capacity connects the other end of described 3rd resistance.
Optionally, described power-cut emergency lighting system also comprises the 4th resistance and the 2nd photodiode;One end of described 4th resistance connects the positive output end of described rectification bridge, and the other end of described 4th resistance connects the anode of described 2nd photodiode, and the negative electrode of described 2nd photodiode connects the negative output terminal of described rectification bridge. By arranging described 4th resistance and described 2nd photodiode, it is possible to instruction AC-powered is normal.
Optionally, described power-cut emergency lighting system also comprises the 3rd photodiode; The anode of described 3rd photodiode connects one end of described 2nd electric capacity, and the negative electrode of described 3rd photodiode connects the negative pole of described drying battery. By arranging described 3rd photodiode, it is possible to instruction exchange has a power failure.
Optionally, described rectification bridge is full-bridge rectification device.
The present invention compared with prior art, has following advantage and useful effect:
Power-cut emergency lighting system provided by the invention, when there being exchange city electricity, exchange city electricity is by rectification bridge and the first electric capacity filtering, and the volts DS obtained is added on the first photodiode by the first resistance, makes the first lumination of light emitting diode, light is irradiated in photovaristor, the resistance of photovaristor is little, and the volts DS that drying battery provides is added to NPN transistor base by the 2nd resistance and photovaristor dividing potential drop, because the resistance of photovaristor is little, NPN triode ends, and head light does not work; When AC outage, the first photodiode is not luminous, and the resistance of photovaristor obviously increases, NPN triode is made to enter magnifying state, the low frequency oscillator circuit working that NPN triode and PNP triode are formed, head light is luminous, plays the effect of the illumination automatically that has a power failure.
Accompanying drawing explanation
Accompanying drawing described herein be used to provide to the embodiment of the present invention it is further understood that form the application a part, do not form the restriction to the embodiment of the present invention. In the accompanying drawings:
Fig. 1 is the schematic circuit of the power-cut emergency lighting system of an embodiment of the present invention;
Fig. 2 is the schematic circuit of the power-cut emergency lighting system of the present invention's another kind of embodiment;
Fig. 3 is the schematic circuit of the power-cut emergency lighting system of another embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
Fig. 1 is the schematic circuit of the power-cut emergency lighting system of an embodiment of the present invention, and described power-cut emergency lighting system comprises rectification bridge DB1, the first electric capacity C1, the 2nd electric capacity C2, the first resistance R1, the 2nd resistance R2, the 3rd resistance R4, photovaristor R3, first photodiode D1, NPN triode Q1, PNP triode Q2, head light L1 and drying battery V1.
Specifically, for receiving, 220V exchanges city's electricity to the input terminus of described rectification bridge DB1, the positive output end of described rectification bridge DB1 connects one end of described first electric capacity C1 and one end of described first resistance R1, the negative output terminal of described rectification bridge DB1 connects the other end of described first electric capacity C1 and the negative electrode of described first photodiode D1, and the anode of described first photodiode D1 connects the other end of described first resistance R1. Further, described rectification bridge DB1 can be full-bridge rectifier part.
The positive pole of described drying battery V1 connects described one end of 2nd resistance R2 and the emtting electrode of described PNP triode Q2, the negative pole of described drying battery V1 connects one end of described head light L1, the emtting electrode of described NPN triode Q1 and one end of described photovaristor R3, the other end of described photovaristor R3 connects the other end of described 2nd resistance R2, one end of described 3rd resistance R4 and the base stage of described NPN triode Q1, the collector electrode of described NPN triode Q1 connects the base stage of described PNP triode Q2, the collector electrode of described PNP triode Q2 connects the other end of described head light L1 and one end of described 2nd electric capacity C2, the other end of described 2nd electric capacity C2 connects the other end of described 3rd resistance R4.
Hereinafter the principle of work of the power-cut emergency lighting system of the present embodiment is described:
When there being 220V to exchange city's electricity, 220V exchanges city's electricity by described rectification bridge DB1 and described first electric capacity C1 filtering, the volts DS obtained is added on described first photodiode D1 by described first resistance R1, make described first photodiode D1 luminous, the light of described first photodiode D1 is irradiated on described photovaristor R3, make the resistance of described photovaristor R3 very little, the volts DS that described drying battery V1 provides is added to described NPN triode Q1 base stage by described 2nd resistance R2 and described photovaristor R3 dividing potential drop, because the resistance of described photovaristor R3 is little, described NPN triode Q1 ends, described head light L1 does not work, when 220V exchanges city's electricity power failure, described first photodiode D1 is not luminous, the resistance of described photovaristor R3 is obviously increased, described NPN triode Q1 is made to enter magnifying state, the low frequency oscillator circuit working that described NPN triode Q1, described PNP triode Q2, described 3rd resistance R4 and described 2nd electric capacity C2 are formed, described head light L1 is luminous, plays the effect of the illumination automatically that has a power failure.
Embodiment 2
Fig. 2 is the schematic circuit of the power-cut emergency lighting system of the present invention's another kind of embodiment, and the difference of the present embodiment and embodiment 1 is: also comprise the 4th resistance R5 and the 2nd photodiode D2. One end of described 4th resistance R5 connects the positive output end of rectification bridge DB1, and the other end of described 4th resistance R5 connects the anode of described 2nd photodiode D2, and the negative electrode of described 2nd photodiode D2 connects the negative output terminal of described rectification bridge DB1. When 220V voltage of alternating current is powered normal, described 2nd photodiode D2 normal luminous; When 220V exchanges city's electricity power failure, described 2nd photodiode D2 is not luminous. Therefore, by arranging described 4th resistance R5 and described 2nd photodiode D2, it is possible to instruction AC-powered is normal.
Embodiment 3
Fig. 3 is the schematic circuit of the power-cut emergency lighting system of another embodiment of the present invention, and the difference of the present embodiment and embodiment 1 is: also comprise the 3rd photodiode D3. The anode of described 3rd photodiode D3 connects one end of the 2nd electric capacity C2, and the negative electrode of described 3rd photodiode D3 connects the negative pole of drying battery V1. When 220V voltage of alternating current is powered normal, described 3rd photodiode D3 is not luminous; When 220V exchanges city's electricity power failure, described 3rd photodiode D3 normal luminous. Therefore, by arranging described 3rd photodiode D3, it is possible to instruction exchange has a power failure.
Above-described embodiment; the object of the present invention, technical scheme and useful effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment of making, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a power-cut emergency lighting system, it is characterized in that, comprise rectification bridge, the first electric capacity, the 2nd electric capacity, the first resistance, the 2nd resistance, the 3rd resistance, photovaristor, the first photodiode, NPN triode, PNP triode, head light and drying battery;
The input terminus of described rectification bridge is for receiving city's electricity, the positive output end of described rectification bridge connects one end of described first electric capacity and one end of described first resistance, the negative output terminal of described rectification bridge connects the other end of described first electric capacity and the negative electrode of described first photodiode, and the anode of described first photodiode connects the other end of described first resistance;
The positive pole of described drying battery connects described one end of 2nd resistance and the emtting electrode of described PNP triode, the negative pole of described drying battery connects one end of described head light, the emtting electrode of described NPN triode and one end of described photovaristor, the other end of described photovaristor connects the other end of described 2nd resistance, one end of described 3rd resistance and the base stage of described NPN triode, the collector electrode of described NPN triode connects the base stage of described PNP triode, the collector electrode of described PNP triode connects the other end of described head light and one end of described 2nd electric capacity, the other end of described 2nd electric capacity connects the other end of described 3rd resistance.
2. power-cut emergency lighting system according to claim 1, it is characterised in that, also comprise the 4th resistance and the 2nd photodiode;
One end of described 4th resistance connects the positive output end of described rectification bridge, and the other end of described 4th resistance connects the anode of described 2nd photodiode, and the negative electrode of described 2nd photodiode connects the negative output terminal of described rectification bridge.
3. power-cut emergency lighting system according to claim 1, it is characterised in that, also comprise the 3rd photodiode;
The anode of described 3rd photodiode connects one end of described 2nd electric capacity, and the negative electrode of described 3rd photodiode connects the negative pole of described drying battery.
4. power-cut emergency lighting system according to claim 1, it is characterised in that, described rectification bridge is full-bridge rectification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167078.1A CN105657908A (en) | 2016-03-23 | 2016-03-23 | Power outage emergency illuminating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167078.1A CN105657908A (en) | 2016-03-23 | 2016-03-23 | Power outage emergency illuminating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105657908A true CN105657908A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167078.1A Pending CN105657908A (en) | 2016-03-23 | 2016-03-23 | Power outage emergency illuminating system |
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| Country | Link |
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| CN (1) | CN105657908A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964607U (en) * | 2011-03-08 | 2011-09-07 | 白明凯 | Normal pressure hot-water energy-saving boiler |
| US20130057171A1 (en) * | 2011-09-02 | 2013-03-07 | Hubbell Incorporated | Low current solution for illuminated switches using dc operated leds |
| CN204350411U (en) * | 2015-01-30 | 2015-05-20 | 聊城市科特祥瑞新能源有限公司 | A kind of LED emergency light |
| CN205491334U (en) * | 2016-03-23 | 2016-08-17 | 成都锐奕信息技术有限公司 | Outage automatic illumination circuit |
-
2016
- 2016-03-23 CN CN201610167078.1A patent/CN105657908A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201964607U (en) * | 2011-03-08 | 2011-09-07 | 白明凯 | Normal pressure hot-water energy-saving boiler |
| US20130057171A1 (en) * | 2011-09-02 | 2013-03-07 | Hubbell Incorporated | Low current solution for illuminated switches using dc operated leds |
| CN204350411U (en) * | 2015-01-30 | 2015-05-20 | 聊城市科特祥瑞新能源有限公司 | A kind of LED emergency light |
| CN205491334U (en) * | 2016-03-23 | 2016-08-17 | 成都锐奕信息技术有限公司 | Outage automatic illumination circuit |
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Application publication date: 20160608 |
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| RJ01 | Rejection of invention patent application after publication |