CN105722292A - Automatic emergency lighting device - Google Patents
Automatic emergency lighting device Download PDFInfo
- Publication number
- CN105722292A CN105722292A CN201610167079.6A CN201610167079A CN105722292A CN 105722292 A CN105722292 A CN 105722292A CN 201610167079 A CN201610167079 A CN 201610167079A CN 105722292 A CN105722292 A CN 105722292A
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- CN
- China
- Prior art keywords
- resistance
- connects
- npn audion
- electric capacity
- transformator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The invention discloses an automatic emergency lighting device. A primary of a transformer is used for receiving electric supply; one end of a secondary of the transformer is connected with an anode of a rectifier diode; the other end of the secondary of the transformer is connected with one end of a first capacitor, an emitter of a first NPN triode, a negative electrode of a dry battery and one end of a lighting lamp; a cathode of the rectifier diode is connected with the other end of the first capacitor, one end of a first resistor and the anode of an anti-reverse diode; the other end of the first resistor is connected with a base of the first NPN triode; the cathode of the anti-reverse diode is connected with one end of a switch, one end of a second resistor and a collector of a second NPN triode; the base of the second NPN triode is connected with the collector of the first NPN triode and the other end of the second resistor; the emitter of the second NPN triode is connected with the other end of the lighting lamp; and the other end of the switch is connected with a positive electrode of the dry battery. The automatic emergency lighting device can play an automatic lighting role in a power failure.
Description
Technical field
The present invention relates to lighting technical field, be specifically related to a kind of automatic emergency lighting device.
Background technology
It is unexpected that power-off may damage electrical equipment, and directly affects the orthobiosis of people.Power-off, namely stops electric power transmission, makes electrical equipment cannot obtain external power source.Including artificial power-off, as maintenance circuit, use electricity in off-peak hours, power cuts to limit consumption, owing electricity charges etc.；Protection power-off, as anti-lightning strike, prevent electrical equipment overload etc.；Accident power-off, such as artificial destruction, vile weather, short circuit, unexpected open circuit etc..Thering is provided a kind of automatic emergency lighting device is need and suitable each family, even if because living in metropolitan premises, also can be frequently encountered by due to former power-off thus resulted in such as arrearage, especially desirable, the chance failure of power supply department and indoor fuse failures.
Summary of the invention
To be solved by this invention be powered off after the problem that cannot illuminate.
The present invention is achieved through the following technical solutions:
A kind of automatic emergency lighting device, including transformator, commutation diode, counnter attack diode, the first electric capacity, the first resistance, the second resistance, a NPN audion, the 2nd NPN audion, switch, aneroid battery and illuminating lamp；The primary of described transformator is used for receiving civil power, secondary one end of described transformator connects the anode of described commutation diode, the secondary other end of described transformator connects one end of described first electric capacity, the emitter stage of a described NPN audion, the negative pole of described aneroid battery and one end of described illuminating lamp, the negative electrode of described commutation diode connects the other end of described first electric capacity, one end of described first resistance and the anode of described counnter attack diode, the other end of described first resistance connects the base stage of a described NPN audion, the negative electrode of described counnter attack diode connects one end of described switch, one end of described second resistance and the colelctor electrode of described 2nd NPN audion, the base stage of described 2nd NPN audion connects the colelctor electrode of a described NPN audion and the other end of described second resistance, the emitter stage of described 2nd NPN audion connects the other end of described illuminating lamp, the other end of described switch connects the positive pole of described aneroid battery.
Optionally, described automatic emergency lighting device also includes the 3rd resistance and light emitting diode；One end of described 3rd resistance connects the negative electrode of described commutation diode, and the other end of described 3rd resistance connects the anode of described light emitting diode, and the negative electrode of described light emitting diode connects the secondary other end of described transformator.By arranging described 3rd resistance and described light emitting diode, it is possible to instruction Alternating Current Power Supply is normal.
Optionally, described automatic emergency lighting device also includes the second electric capacity and the 4th resistance, and primary one end of described transformator receives civil power by described second electric capacity；One end of described second electric capacity connects one end of described 4th resistance and is suitable to receive civil power, and the other end of described second electric capacity connects the other end of described 4th resistance and primary one end of described transformator.By arranging described second electric capacity and described 4th resistance, it is possible to be filtered electric main processing.
The present invention compared with prior art, has such advantages as and beneficial effect:
Automatic emergency lighting device provided by the invention, when there being electric main, electric main is by transformer pressure-reducing, rectifies and the first capacitor filtering, the DC voltage obtained is added to the base stage of a NPN audion by the first resistance, make a NPN triode ON, the base voltage of the 2nd NPN audion is dragged down, and control to switch off, making the 2nd NPN audion be in cut-off state, illuminating lamp does not work；When alternating current power-off, controlling switch conduction, dry cell power supply, make the 2nd NPN triode ON, and counnter attack diode prevents the voltage that aneroid battery provides from pouring in down a chimney, illuminating lamp is luminous, plays the effect of power failure automatic illuminating.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the circuit diagram of the automatic emergency lighting device of an embodiment of the present invention；
Fig. 2 is the circuit diagram of the automatic emergency lighting device of another kind embodiment of the present invention；
Fig. 3 is the circuit diagram of the automatic emergency lighting device of another embodiment of the present invention.
Detailed description of the invention
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 exemplary embodiment and the explanation thereof of the present invention are only used for explaining the present invention, not as a limitation of the invention.
Embodiment 1
Fig. 1 is the circuit diagram of the automatic emergency lighting device of an embodiment of the present invention, and described automatic emergency lighting device includes transformator T1, commutation diode D1, counnter attack diode D2, the first electric capacity C1, the first resistance R1, the second resistance R2, a NPN audion Q1, the 2nd NPN audion Q2, switch K1, aneroid battery V1 and illuminating lamp L1.
Specifically, the primary of described transformator T1 is used for receiving civil power, secondary one end of described transformator T1 connects the anode of described commutation diode D1, the secondary other end of described transformator T1 connects one end of described first electric capacity C1, the emitter stage of a described NPN audion Q1, the negative pole of described aneroid battery V1 and one end of described illuminating lamp L1, the negative electrode of described commutation diode D1 connects the other end of described first electric capacity C1, one end of described first resistance R1 and the anode of described counnter attack diode D2, the other end of described first resistance R1 connects the base stage of a described NPN audion Q1, the negative electrode of described counnter attack diode D2 connects one end of described switch K1, one end of described second resistance R2 and the colelctor electrode of described 2nd NPN audion Q2, the base stage of described 2nd NPN audion Q2 connects the colelctor electrode of a described NPN audion Q1 and the other end of described second resistance R2, the emitter stage of described 2nd NPN audion Q2 connects the other end of described illuminating lamp L1, the other end of described switch K1 connects the positive pole of described aneroid battery V1.Described switch K1 is off when electric main is powered, and in the conduction state when having a power failure, it can be mechanical switch, it is also possible to for electrical switch, can be configured according to practical situation.
Hereinafter the operation principle of the automatic emergency lighting device of the present embodiment is illustrated:
When there being 220V electric main, 220V electric main is by described transformator T1 blood pressure lowering, described commutation diode D1 rectification and described first electric capacity C1 filtering, the DC voltage obtained is added to the base stage of a NPN audion Q1 by described first resistance R1, make a described NPN audion Q1 conducting, the base voltage of described 2nd NPN audion Q2 is dragged down, owing to described switch K1 disconnects, described 2nd NPN audion Q2 is in cut-off state, and described illuminating lamp L1 does not work；When 220V alternating current power-off, described switch K1 conducting, powered by described aneroid battery V1, make described 2nd NPN audion Q2 conducting, and owing to described counnter attack diode D2 prevents the described aneroid battery V1 voltage provided from pouring in down a chimney, a described NPN audion Q1 does not work, and described illuminating lamp L1 is luminous, plays the effect of power failure automatic illuminating.
Embodiment 2
Fig. 2 is the circuit diagram of the automatic emergency lighting device of another kind embodiment of the present invention, and the present embodiment and embodiment 1 are distinctive in that: also include the 3rd resistance R3 and light emitting diode D3.One end of described 3rd resistance R3 connects the negative electrode of commutation diode D1, and the other end of described 3rd resistance R3 connects the anode of described light emitting diode D3, the secondary other end of the negative electrode connection transformer T1 of described light emitting diode D3.When there being Alternating Current Power Supply, described light emitting diode D3 is luminous.Therefore, by arranging described 3rd resistance R3 and described light emitting diode D3, it is possible to instruction Alternating Current Power Supply is normal.
Embodiment 3
Fig. 3 is the circuit diagram of the automatic emergency lighting device of another embodiment of the present invention, and the present embodiment and embodiment 1 are distinctive in that: the primary one end also including the second electric capacity C2 and the 4th resistance R4, transformator T1 receives civil power by described second electric capacity C2.One end of described second electric capacity C2 connects one end of described 4th resistance R4 and is suitable to receive civil power, and the other end of described second electric capacity C2 connects the other end of described 4th resistance R4 and primary one end of described transformator T1.By arranging described second electric capacity C2 and described 4th resistance R4, it is possible to be filtered electric main processing.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial 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; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (3)
1. an automatic emergency lighting device, it is characterised in that include transformator, commutation diode, counnter attack diode, the first electric capacity, the first resistance, the second resistance, a NPN audion, the 2nd NPN audion, switch, aneroid battery and illuminating lamp；
The primary of described transformator is used for receiving civil power, secondary one end of described transformator connects the anode of described commutation diode, the secondary other end of described transformator connects one end of described first electric capacity, the emitter stage of a described NPN audion, the negative pole of described aneroid battery and one end of described illuminating lamp, the negative electrode of described commutation diode connects the other end of described first electric capacity, one end of described first resistance and the anode of described counnter attack diode, the other end of described first resistance connects the base stage of a described NPN audion, the negative electrode of described counnter attack diode connects one end of described switch, one end of described second resistance and the colelctor electrode of described 2nd NPN audion, the base stage of described 2nd NPN audion connects the colelctor electrode of a described NPN audion and the other end of described second resistance, the emitter stage of described 2nd NPN audion connects the other end of described illuminating lamp, the other end of described switch connects the positive pole of described aneroid battery.
2. automatic emergency lighting device according to claim 1, it is characterised in that also include the 3rd resistance and light emitting diode；
One end of described 3rd resistance connects the negative electrode of described commutation diode, and the other end of described 3rd resistance connects the anode of described light emitting diode, and the negative electrode of described light emitting diode connects the secondary other end of described transformator.
3. automatic emergency lighting device according to claim 1, it is characterised in that also include the second electric capacity and the 4th resistance, primary one end of described transformator receives civil power by described second electric capacity；
One end of described second electric capacity connects one end of described 4th resistance and is suitable to receive civil power, and the other end of described second electric capacity connects the other end of described 4th resistance and primary one end of described transformator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167079.6A CN105722292A (en) | 2016-03-23 | 2016-03-23 | Automatic emergency lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610167079.6A CN105722292A (en) | 2016-03-23 | 2016-03-23 | Automatic emergency lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105722292A true CN105722292A (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610167079.6A Pending CN105722292A (en) | 2016-03-23 | 2016-03-23 | Automatic emergency lighting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105722292A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166165A (en) * | 2006-12-28 | 2008-07-17 | Toshiba Lighting & Technology Corp | Lighting device |
| CN104080258A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Outage emergency lighting circuit and system |
| CN204741597U (en) * | 2015-06-08 | 2015-11-04 | 北京光宇锦业节能科技有限公司 | Dual supply LED light |
-
2016
- 2016-03-23 CN CN201610167079.6A patent/CN105722292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166165A (en) * | 2006-12-28 | 2008-07-17 | Toshiba Lighting & Technology Corp | Lighting device |
| CN104080258A (en) * | 2013-03-29 | 2014-10-01 | 海洋王（东莞）照明科技有限公司 | Outage emergency lighting circuit and system |
| CN204741597U (en) * | 2015-06-08 | 2015-11-04 | 北京光宇锦业节能科技有限公司 | Dual supply LED light |
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Application publication date: 20160629 |