CN203387722U - A single channel LED remote control switch - Google Patents
A single channel LED remote control switch Download PDFInfo
- Publication number
- CN203387722U CN203387722U CN201320330792.XU CN201320330792U CN203387722U CN 203387722 U CN203387722 U CN 203387722U CN 201320330792 U CN201320330792 U CN 201320330792U CN 203387722 U CN203387722 U CN 203387722U
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- power supply
- circuit
- remote control
- control circuit
- control switch
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Abstract
The utility model relates to the technical field of electronic switches, and specifically relates to a single channel LED remote control switch circuit employing an SIRC infrared remote control communication protocol. The single channel LED remote control switch is composed of a power supply circuit, a control circuit, and a load circuit. The power supply circuit is connected with the control circuit. The control circuit is connected with the load circuit. The power supply circuit provides a power supply for the working of the control circuit and the load circuit. The control circuit of the single channel LED remote control switch of the utility model employs a low-power consumption one-chip microcomputer and an infrared receiver. The SIRC communication protocol is written into the one-chip microcomputer in advance, so that a special-purpose matched controller needs not to be further developed, and a remote controller of a present household electrical appliance device using the SIRC communication protocol can be utilized as the switch controller. According to the single channel LED remote control switch of the utility model, a light emitting diode is utilized to be lightened in an actuation period of a relay to realize a prompting effect. The convenience degree of the usage is raised, and costs for matching products are reduced.
Description
Technical field
The utility model relates to the electronic switching technology field, specifically a kind of single LED remote control switch that adopts SIRC infrared transmission by remote control agreement.
Background technology
Along with growth in the living standard, people require also more and more higher to the details of quality of the life, after house decoration is moved in, usually occurring that the reserved position of the switch of house decoration is unreasonable is blocked by furniture cabinet etc. as the switch on body of wall, make troubles to people's daily life, therefore the remote control switch product has appearred in market now, although improved the convenience in people's use, but remote control switch great majority in the market must be used in conjunction with the nonshared control unit of its coupling, could realize the remote control switch function, once so not only having increased product cost but also controller loses, the action of uncontrollable remote control switch, can bring great inconvenience to the user on the contrary.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned the deficiencies in the prior art part, and a kind of single LED remote control switch of need not nonshared control unit controlling is provided.
Implementation of the present utility model is: power supply circuits, control circuit, load circuit, consist of, power supply circuits are connected with control circuit, and control circuit is connected with load circuit, and power supply circuits provide work required power supply for control circuit and load circuit.
Power supply circuits by the 12V DC power supply with the 3rd diode, be connected, the 3rd diode connects to form with the second resistance, the second diode successively.
Control circuit comprises: infrared remote receiver, and and the single-chip microcomputer that is connected in series of infrared remote receiver, single-chip microcomputer is connected ground connection with the first electric capacity; Described single-chip microcomputer writes SIRC communication protocol control program in advance.
Load circuit comprises: the first resistance, and the first resistance is connected with transistor base, and transistor collector is connected with the first diode, and the first diode is connected with light-emitting diode, the 3rd resistance and relay.
In the utility model control circuit, adopt the single-chip microcomputer of low-power consumption and infrared remote receiver and single-chip microcomputer to write in advance SIRC communication protocol control program, make the utility model without developing separately in addition special-purpose assorted controller, directly utilize the household electrical appliance remote controller of existing use SIRC communication protocol as on-off controller, realize utilizing the remote controller that has home appliance now to control shutoff and the adhesive of the utility model load circuit repeat circuit, thereby realize controlling remote control switch, and light-emitting diode is lighted and is played suggesting effect during the relay adhesive, reduce the auxiliary products cost when having improved ease of use.
The accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The utility model is comprised of power supply circuits, control circuit, load circuit, and power supply circuits are connected with control circuit, and control circuit is connected with load circuit, and power supply circuits provide work required power supply for control circuit and load circuit.
With reference to Fig. 1, in the utility model embodiment, power supply circuits by the 12V DC power supply with the 3rd diode VD3, be connected, the 3rd diode VD3 connects to form with the second resistance R 2, the second diode VD2 successively.For the power supply of simplifying relay, therefore directly adopt the 12V DC power supply in the utility model embodiment, utilize the second resistance R 2 step-downs, after reaching the second diode VD2 and carrying out voltage stabilizing, the needed rated operational voltage of output control circuit.
Wherein, the 3rd diode VD3 plays the positive and negative polarity reverse connecting protection that prevents power supply.
Control circuit comprises: infrared remote receiver IC2, and and the single-chip microcomputer IC1 that is connected in series of infrared remote receiver IC2, single-chip microcomputer IC1 is connected ground connection with the first capacitor C 1; Described single-chip microcomputer IC1 writes SIRC communication protocol control program in advance.
Load circuit comprises: the first resistance R 1, the first resistance R 1 is connected with transistor VT base stage, and transistor VT collector electrode is connected with the first diode VD1, and the first diode VD1 is connected with LED, the 3rd resistance R 3 and relay R L.
Wherein, the first diode VD1 is fly-wheel diode in load circuit, can effectively prevent that relay R L from discharging the back electromotive force breakdown driven pipe of moment, the 3rd resistance R 3 is divider resistance, LED relay R L adhesive and keep adhesive during in luminous lighting, effectively play the effect of indicating user.
Transistor VT can adopt the NPN triode that model is BC547.
SIRC (remote control of Serial Infra-Red Control serial infrared) is the infrared remote control agreement that Sony Corporation formulates, and is also one of the most frequently used infrared transmission by remote control agreement of household remote.In the utility model, SIRC infrared remote control agreement adopts PWM(pulse width modulation) coded system, carrier frequency is 40KHz, 12bit is arranged respectively, the code structure of 15bit and 20bit, its instruction code formal definition the remote controller concrete instruction that can transmit move to receiving terminal, can utilize the remote controller of existing home appliance, as the sony TV remote controller sends ultra-red order, infrared remote receiver IC2(can adopt the TSOP480 infrared remote receiver of low-power consumption) receive and demodulation after, be sent to single-chip microcomputer IC1 decoding, (single-chip microcomputer IC1 can adopt the PIC10F200 of MICROCHIP company), the switch of single-chip microcomputer IC1 control relay RL is with closed, realize utilizing existing domestic electrical equipment remote controller control switch to turn-off and adhesive.
Claims (2)
1. a single LED remote control switch, it is characterized in that: by power supply circuits, control circuit, load circuit, formed, power supply circuits are connected with control circuit, and control circuit is connected with load circuit, and described power supply circuits provide work required power supply for control circuit and load circuit;
Described power supply circuits by the 12V DC power supply with the 3rd diode (VD3), be connected, the 3rd diode (VD3) connects to form with the second resistance (R2), the second diode (VD2) successively;
Described control circuit comprises: infrared remote receiver (IC2), and and the single-chip microcomputer (IC1) that is connected in series of infrared remote receiver (IC2), single-chip microcomputer (IC1) is connected ground connection with the first electric capacity (C1); Described single-chip microcomputer (IC1) writes SIRC communication protocol control program in advance;
Described load circuit comprises: the first resistance (R1), the first resistance (R1) is connected with transistor (VT) base stage, transistor (VT) collector electrode is connected with the first diode (VD1), and the first diode (VD1) is connected with light-emitting diode (LED), the 3rd resistance (R3) and relay (RL).
2. a kind of single LED remote control switch according to claim 1, it is characterized in that: transistor (VT) can adopt the NPN triode that model is BC547.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330792.XU CN203387722U (en) | 2013-06-09 | 2013-06-09 | A single channel LED remote control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330792.XU CN203387722U (en) | 2013-06-09 | 2013-06-09 | A single channel LED remote control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387722U true CN203387722U (en) | 2014-01-08 |
Family
ID=49876167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320330792.XU Expired - Fee Related CN203387722U (en) | 2013-06-09 | 2013-06-09 | A single channel LED remote control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387722U (en) |
-
2013
- 2013-06-09 CN CN201320330792.XU patent/CN203387722U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140108 Termination date: 20140609 |
|
| EXPY | Termination of patent right or utility model |