CN109219200A - A kind of emergency lamp control circuit of power adjustable - Google Patents
A kind of emergency lamp control circuit of power adjustable Download PDFInfo
- Publication number
- CN109219200A CN109219200A CN201811354791.2A CN201811354791A CN109219200A CN 109219200 A CN109219200 A CN 109219200A CN 201811354791 A CN201811354791 A CN 201811354791A CN 109219200 A CN109219200 A CN 109219200A
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- CN
- China
- Prior art keywords
- power
- emergency
- source
- lamp control
- control circuit
- Prior art date
- 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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- 230000006837 decompression Effects 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims description 17
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000003760 hair shine Effects 0.000 claims 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of emergency lamp control circuits of power adjustable, it include: main power source module, battery, MCU, decompression constant-current source drive chip U1, conventional illuminating source, emergency illuminating source, the main power source module is connected with conventional illuminating source for illuminating when non-power failure, the power supply when battery is connected by decompression constant-current source drive chip U1 with emergency illuminating source to be used to have a power failure, the MCU are connected with the control terminal of decompression constant-current source drive chip U1 for controlling its output power.Emergency lighting and conventional lighting are combined into one by the present invention, and structure is simple, at low cost, while the power adjustable under emergency lighting state, and the power of emergency illuminating source can be adjusted according to different occasions, play the role of saving electric energy.
Description
Technical field
The present invention relates to emergency light fields, are specifically related to a kind of emergency lamp control circuit of power adjustable.
Background technique
Emergency light is the common emergency-lighting set in public place, and the non-power off time of conventional emergency light is having a power failure or operating a switch
Emergency lighting is provided to pedestrian afterwards, but conventional emergency light is in the illumination condition of same power always after power failure,
Power invariability, consuming energy, furthermore conventional emergency light and conventional lighting device are usually separated, in non-power failure
If state provides illumination using emergency light, battery is in charging and power supply state always, and battery loss is big.
Summary of the invention
In order to solve the above-mentioned technical problem, the object of the present invention is to provide a kind of emergency lamp control circuits of power adjustable.
The technical solution adopted by the present invention is that:
A kind of emergency lamp control circuit of power adjustable, comprising: main power source module, battery, MCU, decompression constant-current source driving
Chip U1, conventional illuminating source, emergency illuminating source, the main power source module are connected with conventional illuminating source for non-power failure
Shi Zhaoming, the power supply when battery is connected by decompression constant-current source drive chip U1 with emergency illuminating source to be used to have a power failure, institute
It states MCU and is connected with the control terminal for being depressured constant-current source drive chip U1 for controlling its output power.
It further, further include relay K1 and human induction switch, the output end and human induction switch of the battery
Power input be connected, the decompression constant-current source drive chip U1 by human induction switch with meet an urgent need illuminating source be connected,
The common end of the relay K1 is connected with emergency illuminating source, and the normally opened contact of relay K1 is connected with conventional illuminating source,
The normally-closed contact of relay K1 is connected with one end of human induction switch, the other end of the human induction switch and decompression constant current
The output end of source drive chip U1 is connected, and the input terminal for being depressured constant-current source drive chip U1 is connected with emergency illuminating source.
It further, further include the infrared communication module that is connected with MCU for receiving control command.
It further, further include being connected key with MCU for receiving control command.
Further, the conventional illuminating source is LED light.
Further, the emergency illuminating source is LED light.
Further, the human induction switch is infrared human body inductive switch.
Further, the model MT7201 of the decompression constant-current source drive chip U1.
Beneficial effects of the present invention:
Conventional lighting and emergency lighting are uniformly controlled by the present invention, and non-power failure only passes through main power source module to conventional hair
Radiant power supply, power off time give emergency illuminating source power supply by battery, and MCU passes through control decompression constant-current source when furthermore having a power failure
The output electric current of driving chip U1 controls the size of current of emergency illuminating source, and power adjustable is suitable for the photograph of different occasions
Bright needs.
Emergency lighting and conventional lighting are combined into one by the present invention, and structure is simple, at low cost, while in emergency lighting state
Lower power adjustable can adjust the power of emergency illuminating source according to different occasions, play the role of saving electric energy.
Detailed description of the invention
A specific embodiment of the invention is described further with reference to the accompanying drawing；
Fig. 1 is the circuit diagram of present invention emergency lamp control circuit.
Specific embodiment
As shown in Figure 1 be a kind of power adjustable of the invention emergency lamp control circuit, including include: main power source module,
Battery, MCU, decompression constant-current source drive chip U1, conventional illuminating source LED1, emergency illuminating source LED2, it is preferred that decompression is permanent
Flow the model MT7201 of source drive chip U1.Main power source module is connected with conventional illuminating source to illuminate when being used for non-power failure,
Power supply when battery is connected by decompression constant-current source drive chip U1 with emergency illuminating source to be used to have a power failure, MCU and decompression constant current
The ADJ pin of source drive chip U1 is connected for controlling its output power.
It wherein, further include relay K1 and human induction switch, the electricity of the output end and infrared human body inductive switch of battery
Source input terminal is connected, and decompression constant-current source drive chip U1 is connected by human induction switch with LED2, the common end of relay K1
It is connected with emergency illuminating source, the normally opened contact of relay K1 is connected with LED1, the normally-closed contact and human body sensing of relay K1
One end of switch is connected, and the other end of human induction switch is connected with the I sense pin of decompression constant-current source drive chip U1, drops
The LX pin of pressure constant-current source drive chip U1 is connected by inductance L1 with LED2, it is preferred that human induction switch in the present embodiment
For infrared human body inductive switch.
It wherein, further include the infrared communication module being connected with MCU and key, infrared communication module is used for by receiving palm machine
Or the other equipment control commands that send adjusts the power of LED2, key is for receiving control command.
The operation principle of the present invention is that:
When alternating current is powered, main power source module gives LED1 power supply, and the normally opened contact of relay K1 connection at this time, electric current is from main electricity
Source anode flows back to main power source cathode by LED1, LED2, and conventional illuminating source and emergency illuminating source light simultaneously at this time.
After power failure, relay K1 movement makes switch connection normally-closed contact, and battery gives decompression constant-current source drive chip at this time
U1 and infrared human body inductive switch power supply, hot outer human induction switch sense human body close to when, internal switch closure, at this time
LED2 energization lights, and disconnects inside infrared human body inductive switch after induction is less than human body, and LED2 stops being powered and extinguish at this time.
After the power adjustment commands that MCU receives infrared communication module or key transmits, core is driven by decompression constant-current source
The ADJ pin controller of piece U1 exports electric current, to control the power of LED2.
Conventional lighting and emergency lighting are uniformly controlled by the present invention, and non-power failure only passes through main power source module to conventional hair
Radiant power supply, power off time give emergency illuminating source power supply by battery, and MCU passes through control decompression constant-current source when furthermore having a power failure
The output electric current of driving chip U1 controls the size of current of emergency illuminating source, and power adjustable is suitable for the photograph of different occasions
Bright needs.
Emergency lighting and conventional lighting are combined into one by the present invention, and structure is simple, at low cost, while in emergency lighting state
Lower power adjustable can adjust the power of emergency illuminating source according to different occasions, play the role of saving electric energy.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to above embodiment, as long as with
Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.
Claims (8)
1. a kind of emergency lamp control circuit of power adjustable characterized by comprising main power source module, battery, MCU, decompression are permanent
Flow source drive chip U1, conventional illuminating source, emergency illuminating source, the main power source module be connected with routine illuminating source with
It is illuminated when non-power failure, when the battery is connected by decompression constant-current source drive chip U1 with emergency illuminating source to be used to have a power failure
Power supply, the MCU are connected with the control terminal of decompression constant-current source drive chip U1 for controlling its output power.
2. the emergency lamp control circuit of power adjustable according to claim 1, it is characterised in that: further include relay K1 and
Human induction switch, the output end of the battery are connected with the power input of human induction switch, and the decompression constant-current source drives
Dynamic chip U1 is connected by human induction switch with emergency illuminating source, the common end of the relay K1 and emergency illuminating source
It is connected, the normally opened contact of relay K1 is connected with routine illuminating source, the normally-closed contact of relay K1 and human induction switch
One end is connected, and the other end of the human induction switch is connected with the output end of decompression constant-current source drive chip U1, is depressured constant current
The input terminal of source drive chip U1 is connected with emergency illuminating source.
3. the emergency lamp control circuit of power adjustable according to claim 1, it is characterised in that: further include being connected with MCU
Infrared communication module with for receiving control command.
4. the emergency lamp control circuit of power adjustable according to claim 1, it is characterised in that: further include being connected with MCU
Key is for receiving control command.
5. the emergency lamp control circuit of power adjustable according to claim 1 or 2, it is characterised in that: the routine shines
Light source is LED light.
6. the emergency lamp control circuit of power adjustable according to claim 1 or 2, it is characterised in that: the emergency shines
Light source is LED light.
7. the emergency lamp control circuit of power adjustable according to claim 1 or 2, it is characterised in that: the human body sensing
Switch is infrared human body inductive switch.
8. the emergency lamp control circuit of power adjustable according to claim 1 or 2, it is characterised in that: the decompression constant current
The model MT7201 of source drive chip U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354791.2A CN109219200A (en) | 2018-11-14 | 2018-11-14 | A kind of emergency lamp control circuit of power adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354791.2A CN109219200A (en) | 2018-11-14 | 2018-11-14 | A kind of emergency lamp control circuit of power adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109219200A true CN109219200A (en) | 2019-01-15 |
Family
ID=64996028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354791.2A Withdrawn CN109219200A (en) | 2018-11-14 | 2018-11-14 | A kind of emergency lamp control circuit of power adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109219200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024198673A1 (en) * | 2023-03-30 | 2024-10-03 | 北京模电半导体有限公司 | Induced emergency control circuit and illumination lamp |
-
2018
- 2018-11-14 CN CN201811354791.2A patent/CN109219200A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024198673A1 (en) * | 2023-03-30 | 2024-10-03 | 北京模电半导体有限公司 | Induced emergency control circuit and illumination lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190115 |