CN104066223B - Emergency light circuit and emergency light - Google Patents
Emergency light circuit and emergency light Download PDFInfo
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- CN104066223B CN104066223B CN201310094694.5A CN201310094694A CN104066223B CN 104066223 B CN104066223 B CN 104066223B CN 201310094694 A CN201310094694 A CN 201310094694A CN 104066223 B CN104066223 B CN 104066223B
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- connects
- emergency light
- resistance
- accumulator
- outfan
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Abstract
The present invention proposes a kind of emergency light circuit, and it connects emergency light, comprising: exchange turns direct current component, it connects AC network, for blood pressure lowering, rectification, filtering, exports the first DC voltage;Voltage regulation unit, it connects exchange and turns direct current component, is used for providing the second stable DC voltage;Accumulator, it is for when electrical network is stopped power supply, it is provided that power supply is to emergency light;Power failure detection control unit, its connection voltage regulation unit, accumulator and emergency light, be used for detecting whether electrical network has a power failure, the most then control storage battery power supply is to emergency light, otherwise, controls emergency light and closes;And accumulator charhing unit, it connects exchange and turns direct current component, power failure detection control unit and accumulator, is used for charging a battery, it is ensured that the electricity of accumulator.The present invention also proposes a kind of emergency light.The present invention can reduce the volume of emergency light so that emergency light can be applicable to the occasion relatively low to illumination requirement, provides cost savings.
Description
Technical field
The present invention relates to a kind of electronic technology, particularly relate to a kind of emergency light circuit and emergency light.
Background technology
At present, the emergency light mostly volume that market uses is relatively big and relatively costly.Less demanding to illumination at some
Occasion, it is not necessary to the emergency light that volume is excessive, otherwise can cause and install not aspect, cost of idleness.
Summary of the invention
The technical problem to be solved in the present invention is the deficiency overcoming above-mentioned prior art to exist, and proposes a kind of emergency light
Circuit and emergency light, it is possible to solve emergency light of the prior art and be not suitable for asking of the occasion low to illumination requirement
Topic.
For solving above-mentioned technical problem, the present invention proposes a kind of emergency light circuit, and it connects emergency light, comprising:
Exchange turns direct current component, and it connects AC network, for blood pressure lowering, rectification, filtering, exports the first DC voltage;Voltage regulation unit, its
Connect exchange and turn direct current component, be used for providing the second stable DC voltage;Accumulator, it is for when electrical network is stopped power supply,
Provide power to emergency light;Power failure detection control unit, it connects voltage regulation unit, accumulator and emergency light, uses
Whether have a power failure in detection electrical network, the most then control storage battery power supply is to emergency light, otherwise, control emergency light and close;
And accumulator charhing unit, it connects exchange and turns direct current component, power failure detection control unit and accumulator, for electric power storage
Charge in pond, it is ensured that the electricity of accumulator.
Preferably, power failure detection control unit includes first input end, the second input, the first outfan, the second output
End, earth terminal, the first resistance, the second resistance and the first audion, the first input end of power failure detection control unit connects steady
Pressure unit, the second input of power failure detection control unit connects the colelctor electrode of accumulator the first audion and connects the second output
End, the first outfan of power failure detection control unit connects accumulator charhing unit, the second output of power failure detection control unit
End connects emergency light, and the first resistance and the second resistance are sequentially connected in series between first input end and earth terminal, and the one or three
The base stage of pole pipe connects the first resistance and the junction of the second resistance, and the emitter stage of the first audion connects the second input.
Preferably, voltage regulation unit includes input, outfan, earth terminal, stabilivolt, the 3rd resistance and the two or three pole
Pipe, the input of voltage regulation unit connects exchange and turns direct current component, the outfan connection power failure detection control unit of voltage regulation unit, and three
The base stage of pole pipe connects the anode of stabilivolt, and one end of the first resistance connects the negative electrode of stabilivolt, and the other end of the first resistance is even
Connecing the colelctor electrode of audion, the emitter stage of audion connects earth terminal, the negative electrode of stabilivolt connect the input of voltage regulation unit with
And outfan.
Preferably, accumulator charhing unit includes first input end, the second input, outfan, the 4th resistance, the 5th electricity
Resistance, the 6th resistance, the first diode and three-terminal voltage-stabilizing pipe, the first input end of accumulator charhing unit connects exchange and turns direct current
Unit, the second input of accumulator charhing unit connects power failure detection control unit, and the outfan of accumulator charhing unit is even
Connecing accumulator, the 4th resistance and the 5th resistor coupled in parallel, one end of the 4th resistance connects first input end, the other end of the 4th resistance
Connecting the input of three-terminal voltage-stabilizing pipe, the 6th resistance is connected between reference edge and the outfan of three-terminal voltage-stabilizing pipe, and three ends are steady
The outfan of pressure pipe connects outfan, and the anode of the first diode connects the second input, and the negative electrode of the first diode connects three
The reference edge of end stabilivolt.
Preferably, exchange turn direct current component include input, the first outfan, the second outfan, earth terminal, the 7th electricity
Resistance, the first electric capacity, commutation diode and the second electric capacity, exchange turns the input of direct current component and connects AC network, and exchange turns
First outfan of direct current component connects accumulator charhing unit, and exchange turns the second outfan of direct current component and connects voltage stabilizing list
Unit, one end of the 7th resistance connects input, and the other end of the 7th resistance connects the first outfan, the first electric capacity and the 7th resistance
Parallel connection, the anode of commutation diode connects the first electric capacity, and the negative electrode of commutation diode connects the second outfan, commutation diode
Negative electrode connects earth terminal after connecting the second electric capacity.
Preferably, power failure detection control unit also includes LED display lamp, and the anode of LED display lamp connects voltage regulation unit,
The negative electrode of LED display lamp connects accumulator charhing unit, and whether it connects AC network for display circuit, if connecting, and LED
Display lamp is luminous, the most luminous.
The present invention proposes a kind of emergency light, and it includes emergency light circuit as above.
Compared with prior art, the emergency light circuit of the present invention and emergency light, by using simple circuit to set
Meter, it is possible to reduce the volume of emergency light so that emergency light can be applicable to the occasion relatively low to illumination requirement, provides cost savings,
Install more convenient.
Accompanying drawing explanation
Fig. 1 is the circuit structure diagram of the emergency light circuit of the present invention.
Description of reference numerals is as follows: exchange turns direct current component 1 the 7th resistance R7 the first electric capacity C1 commutation diode
D2 the second electric capacity C2 voltage regulation unit 2 stabilivolt ZD1 the 3rd resistance R3 the second audion Q2 has a power failure to detect and controls
Unit 3 first resistance R1 the second resistance R2 the first audion Q1 LED display lamp D3 accumulator charhing unit 4
Four resistance R4 the 5th resistance R5 the 6th resistance R6 the first diode D1 three-terminal voltage-stabilizing pipe ZD2 accumulator BT1.
Detailed description of the invention
In order to further illustrate principle and the structure of the present invention, in conjunction with accompanying drawing, the preferred embodiments of the present invention are carried out in detail
Describe in detail bright.
Referring to Fig. 1, a kind of emergency light circuit of the present invention, it connects emergency light, comprising: exchange turns direct current list
Unit 1, voltage regulation unit 2, accumulator BT1, power failure detection control unit 3 and accumulator charhing unit 4.Exchange turns direct current component 1
Connecting AC network, voltage regulation unit 2 connects exchange and turns direct current component 1, and power failure detection control unit 3 connects voltage regulation unit 2, electric power storage
Pond BT1 and emergency light, accumulator charhing unit 4 connect exchange turn direct current component 1, power failure detection control unit 3 and
Accumulator BT1.
Exchange turns direct current component 1 for blood pressure lowering, rectification, filtering, exports the first DC voltage.Voltage regulation unit 2 is used for providing
The second stable DC voltage.Accumulator BT1 is for when electrical network is stopped power supply, it is provided that power supply is to emergency light.Have a power failure inspection
Survey control unit 3 to be used for detecting whether electrical network has a power failure, the most then control accumulator BT1 and supply electricity to emergency light, otherwise, control
Emergency light processed is closed.Accumulator charhing unit 4, for charging to accumulator BT1, it is ensured that the electricity of accumulator BT1.
Exchange turn direct current component 1 include input, the first outfan, the second outfan, earth terminal, the 7th resistance R7, the
One electric capacity C1, commutation diode D2 and the second electric capacity C2.Exchange turns the input of direct current component 1 and connects AC network, exchange
The first outfan turning direct current component 1 connects accumulator charhing unit 4, and exchange turns the second outfan of direct current component 1 and connects steady
Pressure unit 2.One end of 7th resistance R7 connects input, and the other end of the 7th resistance R7 connects the first outfan, the first electric capacity
C1 and the 7th resistance R7 are in parallel, and the anode of commutation diode D2 connects the first electric capacity C1, and the negative electrode of commutation diode D2 connects the
Two outfans, the negative electrode of commutation diode D2 connects earth terminal after connecting the second electric capacity C2.Wherein, the 7th resistance R7 and first electricity
Hold C1 blood pressure lowering, commutation diode D2 rectification, the second electric capacity C2 filtering.
Voltage regulation unit 2 includes input, outfan, earth terminal, stabilivolt ZD1, the 3rd resistance R3 and the second audion
Q2.The input of voltage regulation unit 2 connects exchange and turns direct current component 1, and the outfan of voltage regulation unit 2 connects power failure detection control unit
3.The base stage of audion connects the anode of stabilivolt ZD1, and one end of the first resistance R1 connects the negative electrode of stabilivolt ZD1, the first electricity
The colelctor electrode of the other end connecting triode of resistance R1, the emitter stage of audion connects earth terminal, and the negative electrode of stabilivolt ZD1 connects steady
The input of pressure unit 2 and outfan.Stabilivolt ZD1, the 3rd resistance R3 and the second audion Q2 form easy voltage stabilizing
Device, it is possible to obtain the DC voltage being about 9V.In the present embodiment, stabilivolt ZD1 uses low power tube.The benefit of this manostat
Being: under the conditions of accumulator BT1 is full of, power consumption is few, thus reduces the loss of circuit.
Power failure detection control unit 3 includes first input end, the second input, the first outfan, the second outfan, ground connection
End, the first resistance R1, the second resistance R2 and the first audion Q1.The first input end of power failure detection control unit 3 connects steady
Pressure unit 2, the second input of power failure detection control unit 3 connects the colelctor electrode of accumulator BT1 the first audion Q1 and connects the
Two outfans, the first outfan of power failure detection control unit 3 connects accumulator charhing unit 4, power failure detection control unit 3
Second outfan connects emergency light.First resistance R1 and the second resistance R2 is sequentially connected in series at first input end and earth terminal
Between, the base stage of the first audion Q1 connects the first resistance R1 and the junction of the second resistance R2, and the first audion Q1 sends out
Emitter-base bandgap grading connects the second input.The anode of LED display lamp D3 connects voltage regulation unit 2, and the negative electrode of LED display lamp D3 connects accumulator
Charhing unit 4.In the present embodiment, LED display lamp D3 is green LED.
Accumulator charhing unit 4 includes first input end, the second input, outfan, the 4th resistance R4, the 5th resistance
R5, the 6th resistance R6, the first diode D1 and three-terminal voltage-stabilizing pipe ZD2.The first input end of accumulator charhing unit 4 connects to be handed over
Circulation direct current component 1, the second input of accumulator charhing unit 4 connects power failure detection control unit 3, accumulator charhing unit
The outfan of 4 connects accumulator BT1.4th resistance R4 and the 5th resistance R5 is in parallel, and it is defeated that one end of the 4th resistance R4 connects first
Entering end, the other end of the 4th resistance R4 connects the input of three-terminal voltage-stabilizing pipe ZD2, and the 6th resistance R6 is connected to three-terminal voltage-stabilizing pipe
Between reference edge and the outfan of ZD2, the outfan of three-terminal voltage-stabilizing pipe ZD2 connects outfan, the anode of the first diode D1
Connecting the second input, the negative electrode of the first diode D1 connects the reference edge of three-terminal voltage-stabilizing pipe ZD2.In the present embodiment, accumulator
BT1 is small-sized sealed cell, and the voltage of accumulator BT1 is 6V.When accumulator BT1 voltage reduces, DC voltage is through
After one diode D1 isolation, the pressure drop produced on the 6th resistance R6 makes three-terminal voltage-stabilizing pipe ZD2 turn on, and therefore, flows through the 7th electricity
The electric current of resistance R7 and the first electric capacity C1 is by carrying out half trickle to accumulator BT1 after the second resistance R2, the 3rd resistance R3 current limliting
Charging.When accumulator BT1 voltage reaches 7V~7.5V, it makes steady three-terminal voltage-stabilizing pipe ZD2 end through the 6th resistance R6, and the one or three
Pole pipe Q1 is blocked by current over-zero, and charging terminates.The advantage of this charging modes is: accumulator BT1 electricity foot, discharge stability,
Lighting hours is long.Therefore, as long as the voltage that the electric energy loss of accumulator BT1 makes two ends declines, circuit will carry out boost charge at any time.
The present invention also proposes a kind of emergency light, and it includes emergency light circuit as above.
The operation principle of the present invention is described in detail below in conjunction with Fig. 1.
Circuit connects AC network, and exchange exports the first DC voltage, voltage stabilizing after turning direct current component 1 blood pressure lowering, rectification, filtering
Unit 2 provides the second stable DC voltage.As long as AC network has electricity, the second DC voltage is through the first resistance R1, the second electricity
Resistance R2 dividing potential drop makes the emitter stage of the first audion Q1 end, and the emergency light of the colelctor electrode of the first audion Q1 does not works.Once
Grid power blackout, accumulator BT1 makes the base stage of the first audion Q1 only to be turned on by the second resistance R2 forward bias, emergency lighting
Lamp is shinny.As long as the voltage that the electric energy loss of accumulator BT1 makes two ends declines, circuit will carry out boost charge at any time.LED display lamp
Whether D3 display circuit connects AC network, if connecting, LED display lamp D3 is luminous, the most luminous.
The present invention also proposes a kind of emergency light, and it includes emergency light circuit as above.
The operation principle of the present invention is described in detail below in conjunction with Fig. 1.
Circuit connects AC network, and exchange exports the first DC voltage, voltage stabilizing after turning direct current component blood pressure lowering, rectification, filtering
Unit provides the second stable DC voltage.As long as AC network has electricity, the second DC voltage divides through the first resistance, the second resistance
Pressure makes the emitter stage of the first audion end, and the emergency light of the colelctor electrode of the first audion does not works.Once grid power blackout, stores
Battery makes the base stage of the first audion only to be turned on by the second resistance forward bias, and emergency light is shinny.If accumulator
Electric energy loss makes the voltage at two ends decline, and circuit will carry out boost charge at any time.Whether LED display lamp display circuit connects exchange
Electrical network, if connecting, LED display lamp is luminous, the most luminous.
Compared with prior art, the emergency light circuit of the present invention and emergency light, by using simple circuit to set
Meter, it is possible to reduce the volume of emergency light so that emergency light can be applicable to the occasion relatively low to illumination requirement, provides cost savings,
Install more convenient.
The foregoing is only the preferable possible embodiments of the present invention, not limit the scope of the invention.All utilizations are originally
Equivalent structure change done by description of the invention and accompanying drawing content, is all contained in protection scope of the present invention.
Claims (6)
1. an emergency light circuit, it connects emergency light, comprising:
Exchange turns direct current component, and it connects AC network, for blood pressure lowering, rectification, filtering, exports the first DC voltage;
Voltage regulation unit, it connects described exchange and turns direct current component, is used for providing the second stable DC voltage;
Accumulator, it is for when described electrical network is stopped power supply, it is provided that power supply gives described emergency light;
Power failure detection control unit, it connects described voltage regulation unit, accumulator and emergency light, is used for whether detecting electrical network
Have a power failure, the most then control described storage battery power supply give described emergency light, otherwise, control described emergency light close;With
And
Accumulator charhing unit, its connect described exchange turn direct current component, power failure detection control unit and accumulator, be used for
Described accumulator is charged, it is ensured that the electricity of described accumulator;
It is characterized in that, including:
Described power failure detection control unit includes first input end, the second input, the first outfan, the second outfan, ground connection
End, the first resistance, the second resistance and the first audion, the first input end connection of described power failure detection control unit is described surely
Pressure unit, the second input of described power failure detection control unit connects described accumulator, the colelctor electrode of described first audion
Connecting described second outfan, the first outfan of described power failure detection control unit connects described accumulator charhing unit, institute
The second outfan stating power failure detection control unit connects described emergency light;Described first resistance and the second resistance are successively
Being connected between described first input end and earth terminal, the base stage of described first audion connects described first resistance and second
The junction of resistance, the emitter stage of described first audion connects described second input.
2. emergency light circuit as claimed in claim 1, it is characterised in that described voltage regulation unit includes input, outfan, connects
Ground end, stabilivolt, the 3rd resistance and the second audion, the input of described voltage regulation unit connects described exchange and turns direct current list
Unit, the outfan of described voltage regulation unit connects described power failure detection control unit, and the base stage of described audion connects described voltage stabilizing
The anode of pipe, one end of described first resistance connects the negative electrode of described stabilivolt, and the other end of described first resistance connects described
The colelctor electrode of audion, the emitter stage of described audion connects earth terminal, and the negative electrode of described stabilivolt connects described voltage regulation unit
Input and outfan.
3. emergency light circuit as claimed in claim 1, it is characterised in that described accumulator charhing unit includes the first input
End, the second input, outfan, the 4th resistance, the 5th resistance, the 6th resistance, the first diode and three-terminal voltage-stabilizing pipe, described
The first input end of accumulator charhing unit connects described exchange and turns direct current component, the second input of described accumulator charhing unit
End connects described power failure detection control unit, the outfan described accumulator of connection of described accumulator charhing unit, and the described 4th
Resistance and the 5th resistor coupled in parallel, one end of described 4th resistance connects described first input end, the other end of described 4th resistance
Connecting the input of described three-terminal voltage-stabilizing pipe, described 6th resistance is connected to reference edge and the outfan of described three-terminal voltage-stabilizing pipe
Between, the outfan of described three-terminal voltage-stabilizing pipe connects described outfan, and the anode of described first diode connects described second defeated
Entering end, the negative electrode of described first diode connects the reference edge of described three-terminal voltage-stabilizing pipe.
4. emergency light circuit as claimed in claim 1, it is characterised in that described exchange turn direct current component include input, the
One outfan, the second outfan, earth terminal, the 7th resistance, the first electric capacity, commutation diode and the second electric capacity, described exchange
The input turning direct current component connects described AC network, and described exchange turns the first outfan of direct current component and connects described electric power storage
Pond charhing unit, described exchange turns the second outfan of direct current component and connects described voltage regulation unit, one end of described 7th resistance
Connecting described input, the other end of described 7th resistance connects described first outfan, described first electric capacity and the described 7th
Resistor coupled in parallel, the anode of described commutation diode connects described first electric capacity, and the negative electrode of described commutation diode connects described the
Two outfans, the negative electrode of described commutation diode connects earth terminal after connecting described second electric capacity.
5. emergency light circuit as claimed in claim 2, it is characterised in that described power failure detection control unit also includes that LED shows
Showing lamp, the anode of described LED display lamp connects described voltage regulation unit, and the negative electrode of described LED display lamp connects described accumulator and fills
Electric unit, whether it connects described AC network for display circuit, if connecting, the luminescence of described LED display lamp, do not send out
Light.
6. an emergency light, it is characterised in that it includes the emergency light circuit as described in claim 1 to 5 any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310094694.5A CN104066223B (en) | 2013-03-22 | 2013-03-22 | Emergency light circuit and emergency light |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310094694.5A CN104066223B (en) | 2013-03-22 | 2013-03-22 | Emergency light circuit and emergency light |
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CN104066223A CN104066223A (en) | 2014-09-24 |
CN104066223B true CN104066223B (en) | 2016-12-28 |
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CN201310094694.5A Expired - Fee Related CN104066223B (en) | 2013-03-22 | 2013-03-22 | Emergency light circuit and emergency light |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104832862B (en) * | 2015-04-17 | 2017-09-22 | 杨永宽 | A kind of high reliability high life emergency light |
CN107606498A (en) * | 2017-10-09 | 2018-01-19 | 浙江生辉照明有限公司 | LED emergency lamps |
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---|---|---|---|---|
CN1577665A (en) * | 2003-07-11 | 2005-02-09 | 尹兴植 | Emergency lighting fixture in switch cover |
CN102685994A (en) * | 2012-05-29 | 2012-09-19 | 耿波 | Emergency lamp power supply device |
CN202565530U (en) * | 2012-05-03 | 2012-11-28 | 江阴乐华电器有限公司 | Wireless sensing charging flashlight |
CN202617477U (en) * | 2012-05-29 | 2012-12-19 | 耿波 | Emergency lamp power supply device |
CN202696997U (en) * | 2012-07-20 | 2013-01-23 | 江苏芯光照明有限公司 | Intelligent light emitting diode (LED) illuminating bulb lamp |
-
2013
- 2013-03-22 CN CN201310094694.5A patent/CN104066223B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1577665A (en) * | 2003-07-11 | 2005-02-09 | 尹兴植 | Emergency lighting fixture in switch cover |
CN202565530U (en) * | 2012-05-03 | 2012-11-28 | 江阴乐华电器有限公司 | Wireless sensing charging flashlight |
CN102685994A (en) * | 2012-05-29 | 2012-09-19 | 耿波 | Emergency lamp power supply device |
CN202617477U (en) * | 2012-05-29 | 2012-12-19 | 耿波 | Emergency lamp power supply device |
CN202696997U (en) * | 2012-07-20 | 2013-01-23 | 江苏芯光照明有限公司 | Intelligent light emitting diode (LED) illuminating bulb lamp |
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