CN207201036U - One kind switch indicating circuit - Google Patents
One kind switch indicating circuit Download PDFInfo
- Publication number
- CN207201036U CN207201036U CN201721035837.5U CN201721035837U CN207201036U CN 207201036 U CN207201036 U CN 207201036U CN 201721035837 U CN201721035837 U CN 201721035837U CN 207201036 U CN207201036 U CN 207201036U
- Authority
- CN
- China
- Prior art keywords
- circuit
- electrically connected
- power supply
- light emitting
- emitting diode
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005404 monopole Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- 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 utility model discloses a kind of switch indicating circuit, including rectification circuit, step-down power supply circuit, indicator light circuit, emergency light circuit；Described rectification circuit one end connects civil power, and the other end is electrically connected with step-down power supply circuit, indicator light circuit successively；Described emergency light circuit one end is electrically connected with step-down power supply circuit, and the other end connects civil power so as to reach the purpose that detection civil power whether there is.The utility model can intuitively observe on-off circuit on or off state by indicator lamp, be effectively reduced electric power power consumption and indicator lamp loss, and provide emergency guarantee to shut off power in emergency.
Description
Technical field
It the utility model is related to switch indication light technical field, more particularly to a kind of switch indicating circuit.
Background technology
Current switch general not tape lights, or tape light generally are normal bright state.During without indicator lamp,
The opening and closing of integrated control switch are difficult to separate to be switched on or switched off, and indicator lamp has power consumption generation always when having indicator lamp normally opened, and
Loss to indicator lamp is very big.In addition, current on-off circuit function is relatively simple, it is impossible to emergency lighting is provided when having a power failure,
Personal safety as well as the property safety can not effectively be ensured.
In summary, the on-off circuit, in practice in the presence of it is inconvenient the problem of, it is therefore necessary to improved.
Utility model content
The purpose of this utility model is to provide a kind of switch indicating circuit, and switch electricity can be intuitively observed by indicator lamp
Road on or off state, electric power power consumption and indicator lamp loss are effectively reduced, and emergency guarantee is provided to shut off power in emergency.
To achieve the above object, using following technical scheme：
One kind switch indicating circuit, including rectification circuit, step-down power supply circuit, indicator light circuit, emergency light circuit；It is described
Rectification circuit one end connects civil power, and the other end is electrically connected with step-down power supply circuit, indicator light circuit successively；The emergency light circuit
One end is electrically connected with step-down power supply circuit, and the other end connects civil power so as to reach the purpose that detection civil power whether there is；The instruction
Circuit for lamp includes triode Q1, light emitting diode D4, light emitting diode D5, electric capacity C2, resistance R2, resistance R3；The triode
Q1 emitter stage is electrically connected with light emitting diode D5 negative pole；The base stage of the triode Q1 is electrically connected with resistance R3 and is followed by
Ground；Described resistance R2 one end is electrically connected with electric capacity C2 one end, and the positive pole of the other end and light emitting diode D5 is electrically connected with；It is described
Light emitting diode D4 positive pole is electrically connected with step-down power supply circuit, and the positive pole of negative pole and light emitting diode D5 is electrically connected with；Institute
The base stage and step-down power supply circuit for stating triode Q1 are electrically connected with；Colelctor electrode, the electric capacity C2 other end of the triode Q1 is equal
Ground connection.
It is preferred that the step-down power supply circuit includes driving chip U1, voltage-stabiliser tube D3, diode D1, diode D2, inductance
L1, electric capacity C1, resistance R1；The DRAIN pins of the driving chip U1 are grounded after being electrically connected with electric capacity C1；The driving chip
U1 CS pins are electrically connected with diode D2 negative poles, resistance R1 one end respectively；Described inductance L1 one end respectively with driving chip
U1 GND pin, the resistance R1 other ends are electrically connected with, the other end respectively with voltage-stabiliser tube D3 negative poles, light emitting diode D4 positive poles, should
Anxious circuit for lamp is electrically connected with；The diode D2 positive poles, voltage-stabiliser tube D3 positive poles are grounded；The diode D1 positive poles and rectified current
Road is electrically connected with, and the DRAIN pins of negative pole and driving chip U1 are electrically connected with.
It is preferred that the emergency light circuit includes rechargeable battery interface.
It is preferred that the driving chip U1 is monopole voltage-dropping type LED drive chip, model WS9420.
It is preferred that the step-down power supply circuit is 5.1V step-down power supply circuits.
Using such scheme, the beneficial effects of the utility model are：
1) on-off circuit on or off state (especially for integrated control switch) can be intuitively observed by indicator lamp,
Can also remote reviewing circuit state, can have kind saving human cost；
2) indicator lamp lighting time is determined by the capacitance in indicator light circuit, is not to be constantly in bright light shape
State, electric power power consumption and indicator lamp loss can be effectively reduced；
3) when shutting off power in emergency, emergency light circuit work, personal safety as well as the property safety can effectively be safeguarded.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model；
Fig. 2 is circuit diagram of the present utility model；
Wherein, accompanying drawing identifier declaration：
1-rectification circuit, 2-step-down power supply circuit,
3-indicator light circuit, 4-emergency light circuit,
5-civil power.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to figs. 1 to shown in 2, the utility model provides a kind of switch indicating circuit, including rectification circuit 1, decompression power supply
Circuit 2, indicator light circuit 3, emergency light circuit 4；Described one end of rectification circuit 1 connects civil power 5, and the other end is electrically connected with drop successively
Press power supply circuit 2, indicator light circuit 3；Described one end of emergency light circuit 4 is electrically connected with step-down power supply circuit 2, other end connection
Civil power 5 is so as to reaching the purpose that whether there is of detection civil power 5；The indicator light circuit 3 includes triode Q1, light emitting diode D4, hair
Optical diode D5, electric capacity C2, resistance R2, resistance R3；The negative pole of the emitter stage and light emitting diode D5 of the triode Q1 is electrical
Connection；The base stage of the triode Q1 is grounded after being electrically connected with resistance R3；Described resistance R2 one end and electric capacity C2 one end are electrical
Connection, the positive pole of the other end and light emitting diode D5 are electrically connected with；The positive pole of the light emitting diode D4 and step-down power supply circuit 2
It is electrically connected with, the positive pole of negative pole and light emitting diode D5 is electrically connected with；The base stage of the triode Q1 and the electricity of step-down power supply circuit 2
Property connection；Colelctor electrode, the electric capacity C2 other end of the triode Q1 is grounded.
Wherein, the step-down power supply circuit 2 includes driving chip U1, voltage-stabiliser tube D3, diode D1, diode D2, inductance
L1, electric capacity C1, resistance R1；The DRAIN pins of the driving chip U1 are grounded after being electrically connected with electric capacity C1；The driving chip
U1 CS pins are electrically connected with diode D2 negative poles, resistance R1 one end respectively；Described inductance L1 one end respectively with driving chip
U1 GND pin, the resistance R1 other ends are electrically connected with, the other end respectively with voltage-stabiliser tube D3 negative poles, light emitting diode D4 positive poles, should
Anxious circuit for lamp 4 is electrically connected with；The diode D2 positive poles, voltage-stabiliser tube D3 positive poles are grounded；The diode D1 positive poles and rectification
Circuit 1 is electrically connected with, and the DRAIN pins of negative pole and driving chip U1 are electrically connected with.
The emergency light circuit 4 includes rechargeable battery interface.The driving chip U1 is that monopole voltage-dropping type LED drives core
Piece, model WS9420.The step-down power supply circuit 2 is 5.1V step-down power supply circuits.
Utility model works principle：
When switching S1 connections, civil power 5 changes direct current, the work of 5.1V step-down power supply circuits 2 by rectification circuit 1 by alternating current
Make in direct current circuit.
5.1V step-down power supply circuits 2：Driving chip U1 model WS9420 chips, whole circuit are in BUCK circuit works
Make under state, resistance R1 plays metering function；Voltage-stabiliser tube D3 is 5.1V voltage-stabiliser tubes, and accurate voltage can be provided using it.
Indicator light circuit 3：Pass through the rectification of rectification circuit 1 when switching S1 and connecting, 5.1V step-down power supply circuits 2 are carried out for it
Supply stable 5.1V direct currents；Light emitting diode D4 in indicator light circuit 3 is green light, and light emitting diode D5 is red light, electricity
Appearance C2 is electrochemical capacitor；Triode Q1 is PNP triode, and high voltage is cut-off state, and low level is conducting state.
Indicator light circuit 3 is started working, and circuit forms loop by light emitting diode D4, resistance R2, electric capacity C2, works as switch
S1 is in charged state when connecting, when the bright electric capacity C2 of light emitting diode D4 green light lamps is fully charged, circuit cut-off, and light emitting diode D4
Green light lamp goes out (light emitting diode D4 green lights fluorescent lifetime is determined by electric capacity C2 capacity).
When switching S1 disconnections, rectification circuit 1,5.1V step-down power supply circuits 2 are stopped, and triode Q1 is in low level
Conducting state, electric capacity C2, resistance R2, light emitting diode D5, triode Q1 form loop, and now electric capacity C2 is in discharge condition,
Light emitting diode D5 when reds, electrochemical capacitor C2 electric discharges terminate rear light emitting diode D5 red lights and gone out.
As described in Figure 2, the light emitting diode D6 in emergency light circuit 4 is meet an urgent need white lamp, the one end of emergency light circuit 4 and 5.1V
Step-down power supply circuit 2 connects, and 5.1V step-down power supply circuits 2 connect while being powered to indicator light circuit 3 to emergency light circuit 4
The charging of external charging battery, diode D10 isolates with indicator light circuit 3, therefore mutual unaffected.Power supply electricity is depressured simultaneously
There is voltage stabilizing and pressure limiting to act on road 2, and rechargeable battery is not in overcharge phenomenon.The other end of emergency light circuit 4 electrically connects with city, can
To detect the presence or absence of civil power.
When detecting that no civil power has a power failure, emergency light circuit 4 forms loop with other electrical equipment makes triode Q2, triode
Q3, metal-oxide-semiconductor Q4 firing point brighten the hair optical diodes D6 meet an urgent need white lamp；Triode Q2, triode Q3, metal-oxide-semiconductor Q4 works when there is civil power
Make in off-state, light emitting diode D6 meets an urgent need white lamp in the state that do not work.
Preferred embodiment of the present utility model is these are only, is not limited to the utility model, it is all in this practicality
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. one kind switch indicating circuit, it is characterised in that including rectification circuit, step-down power supply circuit, indicator light circuit, emergency light
Circuit；Described rectification circuit one end connects civil power, and the other end is electrically connected with step-down power supply circuit, indicator light circuit successively；It is described
Emergency light circuit one end is electrically connected with step-down power supply circuit, and the other end connects civil power so as to reach the mesh that detection civil power whether there is
's；The indicator light circuit includes triode Q1, light emitting diode D4, light emitting diode D5, electric capacity C2, resistance R2, resistance R3；
The emitter stage of the triode Q1 is electrically connected with light emitting diode D5 negative pole；The base stage of the triode Q1 and resistance R3 electricity
Property connection after be grounded；Described resistance R2 one end is electrically connected with electric capacity C2 one end, the positive pole electricity of the other end and light emitting diode D5
Property connection；The positive pole of the light emitting diode D4 is electrically connected with step-down power supply circuit, the positive pole of negative pole and light emitting diode D5
It is electrically connected with；The base stage of the triode Q1 is electrically connected with step-down power supply circuit；The colelctor electrode of the triode Q1, electric capacity C2
The other end be grounded.
2. switch indicating circuit according to claim 1, it is characterised in that the step-down power supply circuit includes driving chip
U1, voltage-stabiliser tube D3, diode D1, diode D2, inductance L1, electric capacity C1, resistance R1；The DRAIN pins of the driving chip U1
It is grounded after being electrically connected with electric capacity C1；The CS pins of the driving chip U1 are electric with diode D2 negative poles, resistance R1 one end respectively
Property connection；The GND pin with driving chip U1, the resistance R1 other ends are electrically connected with respectively for described inductance L1 one end, the other end point
It is not electrically connected with voltage-stabiliser tube D3 negative poles, light emitting diode D4 positive poles, emergency light circuit；The diode D2 positive poles, voltage-stabiliser tube
D3 positive poles are grounded；The diode D1 positive poles are electrically connected with rectification circuit, the DRAIN pins electricity of negative pole and driving chip U1
Property connection.
3. switch indicating circuit according to claim 1, it is characterised in that the emergency light circuit connects including rechargeable battery
Mouthful.
4. switch indicating circuit according to claim 2, it is characterised in that the driving chip U1 is monopole voltage-dropping type
LED drive chip, model WS9420.
5. switch indicating circuit according to claim 2, it is characterised in that the step-down power supply circuit is that 5.1V decompressions supply
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035837.5U CN207201036U (en) | 2017-08-17 | 2017-08-17 | One kind switch indicating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035837.5U CN207201036U (en) | 2017-08-17 | 2017-08-17 | One kind switch indicating circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207201036U true CN207201036U (en) | 2018-04-06 |
Family
ID=61794186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721035837.5U Expired - Fee Related CN207201036U (en) | 2017-08-17 | 2017-08-17 | One kind switch indicating circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207201036U (en) |
-
2017
- 2017-08-17 CN CN201721035837.5U patent/CN207201036U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102438353B (en) | Control circuit of double-light-source intelligent control type illumination lamp | |
| CN201382353Y (en) | Capacitance LED emergency lighting lamp unit | |
| CN102595726B (en) | Emergency lighting circuit and emergency lighting system | |
| CN103517524B (en) | Led emergency controller | |
| CN211580235U (en) | Dual-mode emergency LED lamp and LED control circuit | |
| CN211267175U (en) | Emergency LED lamp circuit capable of being charged in light-off state | |
| WO2017045090A1 (en) | Multifunctional emergency led bulb with stand-by power supply | |
| CN207201036U (en) | One kind switch indicating circuit | |
| CN206055264U (en) | A kind of bulb lamp of low blue-ray LED emergency lighting | |
| CN201078617Y (en) | Dual-purpose intelligence lamp | |
| CN2899371Y (en) | Explosion-proof signal light | |
| CN209982785U (en) | LED indicator lamp on power socket | |
| CN209787511U (en) | Linear constant-current LED lamp circuit with emergency lighting function | |
| CN211267181U (en) | LED lamp circuit with emergency lighting function | |
| CN102625531A (en) | Control circuit of waterproof LED (Light Emitting Diode) flashlight | |
| CN201827696U (en) | Emergency energy-saving lamp | |
| CN107543094A (en) | A kind of LED lamp with function of emergency illumination | |
| CN207369376U (en) | A kind of emergency light circuit of invariable power | |
| CN220067744U (en) | LED lamp charging circuit | |
| CN203467043U (en) | Led emergency controller | |
| CN105120586A (en) | Ultralow-dropout LED flashlight | |
| CN206211630U (en) | A kind of many charging modes band defencive function lithium battery charging circuits | |
| CN216775074U (en) | Bipolar high-PF isolation stroboflash-free LED cabinet lamp illumination power supply | |
| CN217335969U (en) | LED drive circuit | |
| CN205430711U (en) | Portable power source circuit and lamps and lanterns of lamps and lanterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |