CN206118109U - LED ON -OFF control circuit - Google Patents
LED ON -OFF control circuit Download PDFInfo
- Publication number
- CN206118109U CN206118109U CN201621038654.4U CN201621038654U CN206118109U CN 206118109 U CN206118109 U CN 206118109U CN 201621038654 U CN201621038654 U CN 201621038654U CN 206118109 U CN206118109 U CN 206118109U
- Authority
- CN
- China
- Prior art keywords
- led
- control circuit
- switch
- master chip
- audion
- 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
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
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a LED ON -OFF control circuit, including the LED banks, dab switch, main chip and triode, power supply respectively with the first inlet wire end that dabs the switch with the input electricity of main chip is connected, it is connected with the earthing terminal electricity to dab the second inlet wire end of switch, the leading -out terminal that dabs the switch with the input electricity of main chip is connected with output switch signal, the output of main chip respectively with the positive pole of LED banks with the base electricity of triode is connected, the collecting electrode of triode with the cathodic electricity of LED banks is connected, the projecting pole of triode with the earthing terminal electricity is connected. Compared with the prior art, the utility model provides a night can the closing a terminal product the LED ON -OFF control circuit of LED banks.
Description
Technical field
This utility model is related to a kind of electronic switching circuit field, more particularly to a kind of LED switch control circuit.
Background technology
Most end product generally needs the flicker or the often bright work come display terminal product using LED on the market
Running status, for example：Router shows the connection state of network by the flicker of LED.But at night, the flicker of LED or
Often bright comparison is dazzling, affects the sleep of user.
Therefore, it is necessary to provide a kind of LED switch control circuit to solve above-mentioned technical problem.
Utility model content
This utility model technical issues that need to address are to provide a kind of can close a terminal the LED light group of product at night
LED switch control circuit.
This utility model provides a kind of LED switch control circuit, including LED light group, touch-switch, master chip, audion
And power supply, the power supply is electrically connected with the first end of incoming cables of the touch-switch and the input of the master chip respectively
Connect, the second end of incoming cables of the touch-switch is electrically connected with earth terminal, the leading-out terminal of the touch-switch and the master chip
Input electrical connection with output switching signal, the outfan of master chip anode and described three respectively with the LED light group
The base stage electrical connection of pole pipe, the colelctor electrode of the audion are electrically connected with the negative electrode of the LED light group, the transmitting of the audion
Pole is electrically connected with the earth terminal.
Preferably, the LED switch control circuit also includes first resistor and second resistance, and the first resistor is series at
Between first end of incoming cables of the touch-switch and the power supply, the second resistance be series at second end of incoming cables with
Between the earth terminal.
Preferably, stating LED switch control circuit also includes 3rd resistor, and the 3rd resistor is series at the master chip
Between the base stage of outfan and the audion.
Preferably, the LED control circuit also include the 4th resistance, the 4th resistance be serially connected with the LED light group with
Between the colelctor electrode of the audion.
Preferably, the LED control circuit also includes the first electric capacity, one end and the earth terminal electricity of first electric capacity
Connection, the other end are serially connected between the master chip and the LED light group.
Compared with correlation technique, the LED switch control circuit that this utility model is provided is sent out by arranging a touch-switch
Switching signal is sent to master chip, then by the master chip according to the switching signal controlling the break-make of audion to control LED
The light on and off of lamp group, when needing to close the LED light group at night, close by sending shutdown signal by the pressing touch-switch
Close the LED light group；When needing to inquire about the running status of end product, open signal is sent by pressing the touch-switch
The LED light group can be opened.
Description of the drawings
Structural representations of the Fig. 1 for this utility model LED switch control circuit.
Specific embodiment
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Refer to Fig. 1, structural representations of the Fig. 1 for this utility model LED switch control circuit.The present invention provides a kind of real
With New LED ON-OFF control circuit 100, power supply Vcc which includes providing electric energy, touch-switch SW, master chip 3, three poles
Pipe Q1, LED light group 5, earth terminal GND, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4 and the first electric capacity
C1。
The power supply Vcc the first end of incoming cables and the inputs of the master chip 3 respectively with the touch-switch SW
Electrical connection, second end of incoming cables of the touch-switch SW are electrically connected with the earth terminal GND, the leading-out terminal of the touch-switch SW
Electrically connect with the input of the master chip 3, the outfan of the master chip 3 respectively with the anode of the LED light group 5 and described
The base stage electrical connection of audion Q1, the colelctor electrode of the audion Q1 are electrically connected with the negative electrode of the LED light group 5, three pole
The emitter stage of pipe Q1 is electrically connected with the earth terminal.
First resistor R1 described in the first end of incoming cables Jing of the touch-switch SW is electrically connected with the power supply Vcc, institute
State second resistance R2 described in the second end of incoming cables Jing to electrically connect with the earth terminal GND.The outfan of the master chip 3 and described three
3rd resistor R3 is serially connected between the base stage of pole pipe Q1.The 4th resistance R4 is serially connected with the LED light group with described three
Between the colelctor electrode of pole pipe Q1.One end of the first electric capacity C1 is electrically connected with the earth terminal GND, and the other end is serially connected with described
Between master chip 3 and the LED light group 5.
The touch-switch SW sends the input of switching signal to the master chip 3, and the master chip 3 is opened according to described
OFF signal controls the bright of the LED light group 5 to export high level or low level with by the break-make of the control audion Q1
Go out, specifically, the switching signal be the touch-switch SW according to the pressing for receiving from the power supply Vcc with it is described
Switch the high and low level for drawing between earth terminal GND.
The LED light group 5 of end product is often bright or flicker, and when needing to close the LED light group 5, press institute
Touch-switch SW is stated, the touch-switch SW sends shutdown signal to the master chip 3, and the master chip 3 receives the pass
The base stage of low level signal to the audion Q1, the audion Q1 are generated and sent after closing signal according to the shutdown signal
Base stage receive the low level signal and disconnect the audion Q1, so as to cause the negative electrode of the LED light group 5 in hanging
State, does not constitute loop, realizes that the LED light group 5 is gone out.
Go out in the LED light group 5 of end product, and need to flash by the LED light group 5 or Chang Liang is to observe operation
During state, the touch-switch SW is pressed, the touch-switch SW sends open signal to the master chip 3, the master chip 3
The base stage of high level signal to the audion Q1 is generated and sent after receiving the open signal according to the open signal,
The base stage of the audion Q1 receives the high level signal and makes the audion Q1 conductings, so that the LED light group 5
Negative electrode is connected with the earth terminal GND, constitutes loop, realizes the normal bright of the LED light group 5 or flicker.
Compared with correlation technique, the LED switch control circuit 100 that this utility model is provided is touched out by arranging one
Close SW and send switching signal to master chip 3, then by the master chip 3 according to the switching signal controlling the break-make of audion Q1
To control the light on and off of LED light group 5, when needing to close the LED light group 5 at night, sent by pressing the touch-switch SW
Shutdown signal can close the LED light group 5；When needing to inquire about the running status of end product, by touching described in pressing
Switch SW opens the LED light group by sending open signal.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure made using this utility model description and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in
Other related technical fields, are included in scope of patent protection of the present utility model in the same manner.
Claims (5)
1. a kind of LED switch control circuit, it is characterised in that including LED light group, touch-switch, master chip, audion and power supply
Power supply, the power supply are electrically connected with the first end of incoming cables of the touch-switch and the input of the master chip respectively, institute
The second end of incoming cables for stating touch-switch is electrically connected with earth terminal, the input of the leading-out terminal of the touch-switch and the master chip
Electrical connection with output switching signal, the outfan of the master chip respectively with the anode and the audion of the LED light group
Base stage is electrically connected, and the colelctor electrode of the audion electrically connected with the negative electrode of the LED light group, the emitter stage of the audion and institute
State earth terminal electrical connection.
2. LED switch control circuit according to claim 1, it is characterised in that the LED switch control circuit also includes
First resistor and second resistance, the first resistor be series at the touch-switch the first end of incoming cables and the power supply it
Between, the second resistance is series between second end of incoming cables and the earth terminal.
3. LED switch control circuit according to claim 1, it is characterised in that stating LED switch control circuit also includes the
Three resistance, the 3rd resistor are series between the base stage of the outfan of the master chip and the audion.
4. LED switch control circuit according to claim 1, it is characterised in that the LED control circuit also includes the 4th
Resistance, the 4th resistance are serially connected between the colelctor electrode of the LED light group and the audion.
5. LED switch control circuit according to claim 1, it is characterised in that the LED control circuit also includes first
Electric capacity, one end of first electric capacity are electrically connected with the earth terminal, and the other end is serially connected with the master chip with the LED light group
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038654.4U CN206118109U (en) | 2016-09-06 | 2016-09-06 | LED ON -OFF control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038654.4U CN206118109U (en) | 2016-09-06 | 2016-09-06 | LED ON -OFF control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206118109U true CN206118109U (en) | 2017-04-19 |
Family
ID=58519572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038654.4U Expired - Fee Related CN206118109U (en) | 2016-09-06 | 2016-09-06 | LED ON -OFF control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206118109U (en) |
-
2016
- 2016-09-06 CN CN201621038654.4U patent/CN206118109U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 Termination date: 20200906 |