CN203414757U - An energy-saving single-channel remote control switch circuit - Google Patents
An energy-saving single-channel remote control switch circuit Download PDFInfo
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- CN203414757U CN203414757U CN201320330791.5U CN201320330791U CN203414757U CN 203414757 U CN203414757 U CN 203414757U CN 201320330791 U CN201320330791 U CN 201320330791U CN 203414757 U CN203414757 U CN 203414757U
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Abstract
The utility model relates to the technical field of electronic switches and specifically to an energy-saving single-channel remote control switch circuit using a SIRC infrared remote control communication protocol. The energy-saving single-channel remote control switch circuit comprises a power supply unit, a control unit, an energy saving unit, and a single-channel load unit. The power supply unit is connected with the control unit and the energy saving unit. The control unit is connected with the single-channel load unit. The single-channel load unit is connected with the energy saving unit. The power supply unit supplies power required by the operation of the circuit. The control unit utilizes a single chip microcomputer with low power consumption and an infrared receiver. A SIRC communication protocol control program is loaded into the single chip microcomputer in advance such that a dedicated matched controller is not required be developed extra. A conventional remote controller of a household appliance can be directly used as a switch controller. Utilizing a characteristic that the pull-in voltage of a relay is just required to reach 50 percent of the nominal voltage thereof, the energy-saving single-channel remote control switch circuit adds the energy saving unit so as to reduce the power consumption in the closed period of relay to utmost extent and achieve a purpose of saving energy and decreasing power consumption.
Description
Technical field
The utility model relates to electronic switching technology field, specifically a kind of energy-conservation one-way remote-control switch circuit 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 there is teleswitch product in market now, although improved the convenience in people's use, but the nonshared control unit that teleswitch great majority in the market must mate with it is used in conjunction with, could realize teleswitch function, once so not only having increased cost of products but also controller loses, the action of uncontrollable teleswitch, can bring great inconvenience to 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 energy-conserving and environment-protective are provided, the energy-conservation one-way remote-control switch circuit of need not nonshared control unit controlling.
Implementation of the present utility model is: power supply unit, control module, province's electric unit and single channel load unit, consist of, power supply unit is connected with control module, province's electric unit respectively; Control module is connected with single channel load unit, single channel load unit with economize electric unit and be connected; Described power supply unit provides circuit working required power supply.
Described power supply unit by 12V direct supply be connected with the 3rd diode, the 3rd diode is connected with the second resistance, the second resistance and the second diode connect to form.
Described control module comprises: infrared remote receiver and the single-chip microcomputer being connected in series with infrared remote receiver, and single-chip microcomputer is connected ground connection with the first electric capacity; Described single-chip microcomputer writes SIRC communication protocol control program in advance.
Described province's electric unit comprises: the 3rd resistance, and the 3rd resistance is connected with the base stage of transistor seconds, and transistor seconds is connected with the 4th diodes in parallel; The 3rd resistance is connected with the 3rd transistor collector by the 4th resistance, after the 3rd transistorized base stage series connection the 5th resistance, is connected with output level pin in single-chip microcomputer in control module.
Described single channel load unit comprises: the first resistance, and the first resistance is connected with the first transistor base stage, and first crystal pipe collector is connected with the first diode, and the first diode and relay are connected in parallel.
The SIRC communication protocol control program that adopts the single-chip microcomputer of low-power consumption and infrared remote receiver and single-chip microcomputer to write in advance in the utility model control module, 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 and utilize the telepilot of existing home appliance to control shutoff and the adhesive of the utility model single channel load unit repeat circuit, thereby realize, control teleswitch.The utility model utilizes relay adhesive to maintain 50% the characteristic that voltage only need reach its nominal voltage to have added province's electric unit, has reduced to greatest extent the power consumption during relay adhesive, realizes energy-saving and cost-reducing object.
Accompanying drawing explanation
Fig. 1 is electric theory structure block diagram of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1, the utility model is comprised of power supply unit, control module, province's electric unit and single channel load unit, and power supply unit is connected with control module, province's electric unit respectively; Control module is connected with single channel load unit, single channel load unit with economize electric unit and be connected; Described power supply unit provides circuit working required power supply.
With reference to Fig. 2, in the utility model embodiment, power supply unit by 12V direct supply be connected with the 3rd diode VD3, the 3rd diode VD3 is connected with the second resistance R 2, the second resistance R 2 and the second diode VD2 connect to form.In the utility model embodiment, for the power supply of simplifying relay, therefore directly adopt 12V DC power supply, utilize the second resistance R 2 step-downs and the second diode VD2 to carry out after voltage stabilizing, the needed rated operational voltage of output control unit.
Wherein, the 3rd diode VD3 plays the positive and negative polarity reverse connecting protection that prevents power supply.
Control module comprises: infrared remote receiver IC2 and the single-chip microcomputer IC1 being connected in series with infrared remote receiver IC2, and 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.
Province's electric unit comprises: the 3rd resistance R 3, the three resistance R 3 are connected with the base stage of transistor seconds VT2, and transistor seconds VT2 and the 4th diode VD4 are connected in parallel; The 3rd resistance R 3 is connected with the 3rd transistor VT3 collector by the 4th resistance R 4, after base stage series connection the 5th resistance R 5 of the 3rd transistor VT3, is connected with output level pin in single-chip microcomputer IC1 in control module.Wherein transistor seconds VT2 adopts the positive-negative-positive triode that model is BC327, and the 3rd transistor VT3 adopts the NPN triode that model is BC547.
Single channel load unit comprises: the first resistance R 1, the first resistance R 1 is connected with the first transistor VT1 base stage, the first transistor VT1 collector is connected with the first diode VD1, the first diode VD1 and relay R L are connected in parallel, and wherein the first transistor VT1 adopts the NPN triode that model is BC547.
Wherein, the first diode VD1 is fly-wheel diode in single channel load unit, can effectively prevent that relay R L from discharging the back electromotive force breakdown driven pipe of moment.
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-length modulation) coded system, carrier frequency is 40KHz, there is respectively 12bit, the code structure of 15bit and 20bit, its instruction code formal definition the telepilot concrete instruction that can transmit move to receiving end, can utilize the telepilot of existing home appliance, as sony TV remote controller sends ultra-red order, infrared remote receiver IC2(can adopt the TSOP480 infrared remote receiver of low-power consumption) receive after also demodulation, 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 pilot relay RL is with closed, realization utilizes existing domestic electrical equipment remote controller gauge tap to turn-off and adhesive.
Conventionally in actual practicality, relay adhesive only need reach 75% of its nominal voltage, once adhesive, the voltage that maintains adhesive only need reach 50% of its nominal voltage.According to this characteristic, the utility model has added province's electric unit in circuit design, in this simultaneously, relay model adopts Omron G5LB in the present embodiment, what the relay adhesive of this model maintained that voltage only need reach nominal voltage more than 10% can maintain adhesive, further reduction circuit overall power.
After the infrared command signal decoding that single-chip microcomputer IC1 sends the infrared remote receiver IC2 receiving, single-chip microcomputer IC1 controls and makes relay R L adhesive, when the pickup time of relay R L, surpass the default marginal time value of single-chip microcomputer IC1 (as 100ms, be 10ms classical adhesive actuation time of general relay) time, single-chip microcomputer IC1 is judged to be to enter and maintains attracting state, start to carry out step-down by economizing electric unit, that is: single-chip microcomputer IC1 corresponding pin outputs level signals, make the 3rd transistor VT3 conducting being connected with single-chip microcomputer IC1 by the 5th resistance R 5, during the 3rd transistor VT3 conducting to the suitable biasing of transistor seconds VT2, make transistor seconds VT2 conducting, the four diode VD4 bypass in parallel with transistor seconds VT2, supply voltage is by after the 4th diode VD4 step-down, residual voltage is added on relay coil, what only need that remaining power supply voltage is greater than relay nominal more than 10% can keep attracting state, realize the object of energy-conservation reduction power consumption.
Claims (2)
1. an energy-conservation one-way remote-control switch circuit, is characterized in that: power supply unit, control module, province's electric unit and single channel load unit, consist of, power supply unit is connected with control module, province's electric unit respectively; Control module is connected with single channel load unit, single channel load unit with economize electric unit and be connected; Described power supply unit provides circuit working required power supply;
Described power supply unit by 12V direct supply be connected with the 3rd diode (VD3), the 3rd diode (VD3) is connected with the second resistance (R2), the second resistance (R2) connects to form with the second diode (VD2);
Described control module comprises: infrared remote receiver (IC2) and the single-chip microcomputer (IC1) being connected in series with infrared remote receiver (IC2), and 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 province's electric unit comprises: the 3rd resistance (R3), and the 3rd resistance (R3) is connected with the base stage of transistor seconds (VT2), and transistor seconds (VT2) is connected in parallel with the 4th diode (VD4); The 3rd resistance (R3) is connected with the 3rd transistor (VT3) collector by the 4th resistance (R4), after base stage series connection the 5th resistance (R5) of the 3rd transistor (VT3), is connected with output level pin in single-chip microcomputer in control module (IC1);
Described single channel load unit comprises: the first resistance (R1), the first resistance (R1) is connected with the first transistor (VT1) base stage, the first transistor (VT1) collector is connected with the first diode (VD1), and the first diode (VD1) is connected in parallel with relay (RL).
2. a kind of energy-conservation one-way remote-control switch circuit according to claim 1, it is characterized in that: the first transistor (VT1) and the 3rd transistor (VT3) adopt the NPN triode that model is BC547, transistor seconds (VT2) adopts the positive-negative-positive triode that model is BC327.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330791.5U CN203414757U (en) | 2013-06-09 | 2013-06-09 | An energy-saving single-channel remote control switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320330791.5U CN203414757U (en) | 2013-06-09 | 2013-06-09 | An energy-saving single-channel remote control switch circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414757U true CN203414757U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320330791.5U Expired - Fee Related CN203414757U (en) | 2013-06-09 | 2013-06-09 | An energy-saving single-channel remote control switch circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203414757U (en) |
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2013
- 2013-06-09 CN CN201320330791.5U patent/CN203414757U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140609 |