CN104066223B - Emergency light circuit and emergency light - Google Patents

Emergency light circuit and emergency light Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
connects
emergency light
resistance
accumulator
outfan
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.)
Expired - Fee Related
Application number
CN201310094694.5A
Other languages
Chinese (zh)
Other versions
CN104066223A (en
Inventor
周明杰
仁义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201310094694.5A priority Critical patent/CN104066223B/en
Publication of CN104066223A publication Critical patent/CN104066223A/en
Application granted granted Critical
Publication of CN104066223B publication Critical patent/CN104066223B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

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

Emergency light circuit and emergency light
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.
CN201310094694.5A 2013-03-22 2013-03-22 Emergency light circuit and emergency light Expired - Fee Related CN104066223B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
CN201310094694.5A CN104066223B (en) 2013-03-22 2013-03-22 Emergency light circuit and emergency light

Publications (2)

Publication Number Publication Date
CN104066223A CN104066223A (en) 2014-09-24
CN104066223B true CN104066223B (en) 2016-12-28

Family

ID=51553692

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310094694.5A Expired - Fee Related CN104066223B (en) 2013-03-22 2013-03-22 Emergency light circuit and emergency light

Country Status (1)

Country Link
CN (1) CN104066223B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN104066223A (en) 2014-09-24

Similar Documents

Publication Publication Date Title
CN206742952U (en) LED emergency power supplies are met an urgent need switching circuit
CN201382353Y (en) Capacitance LED emergency lighting lamp unit
CN102595726B (en) Emergency lighting circuit and emergency lighting system
CN102711310A (en) Light-emitting diode (LED) drive circuit and lamp
CN104066223B (en) Emergency light circuit and emergency light
CN103517524B (en) Led emergency controller
CN202841601U (en) Constant-current power supply circuit
CN204271611U (en) A kind of alternating current inputting over/under voltage protective circuit
CN102931704B (en) Solar energy and piezoelectricity power generation complementary charger
CN206963164U (en) A kind of road lamp power supply and street lamp being adapted to operate in low temperature environment
CN203166604U (en) Simple small quick charger
CN205670707U (en) A kind of anti-interference Intelligent Charge-control System
CN203467043U (en) Led emergency controller
CN204795725U (en) Solar energy corridor lamp control system based on singlechip
CN106487076A (en) A kind of battery charger for mobile phone circuit
CN204948412U (en) A kind of LED emergency light control circuit
CN204859690U (en) Energy -conserving light -operated LED emergency light
CN202455045U (en) Protection and alternative current detection circuit of storage battery
CN203086165U (en) Solar energy and piezoelectric generation complementary charger
CN207201036U (en) One kind switch indicating circuit
CN209200933U (en) A kind of battery of mobile phone booster circuit
CN202503718U (en) Solar energy light-operated lamp capable of automatic turning on and off
CN106774779A (en) A kind of laptop adapter circuit
CN208939642U (en) A kind of charger is anti-reverse to connect charging circuit
CN206181476U (en) Ripple voltage -spike suppression formula emergency lighting circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161228

Termination date: 20190322

CF01 Termination of patent right due to non-payment of annual fee