CN105242729A - Infrared remote control controllable switching circuit - Google Patents
Infrared remote control controllable switching circuit Download PDFInfo
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- CN105242729A CN105242729A CN201510617364.9A CN201510617364A CN105242729A CN 105242729 A CN105242729 A CN 105242729A CN 201510617364 A CN201510617364 A CN 201510617364A CN 105242729 A CN105242729 A CN 105242729A
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Abstract
The invention provides an infrared remote control controllable switching circuit, and belongs to the technical field of infrared remote control switches. The technical problem to be solved is to provide an infrared remote control controllable switching circuit which is convenient to use, easy to implement, and low in cost. The technical scheme is that the infrared remote control controllable switching circuit comprises a voltage-stabilized source circuit used to supply power for the switching circuit, and an infrared receiver head HD used to receive infrared signals. The output end A1 and the output end A2 of the voltage-stabilized source circuit are respectively connected with the power positive end VCC of the infrared receiver head HD, and the power grounding end GND. The output end OUT of the infrared receiver head HD is connected with the signal input end B1 of a D/A conversion circuit. The circuit is suitable to be used in the field of switches.
Description
Technical field
A kind of infra-red remote control gate-controlled switch of the present invention circuit, belongs to the technical field of infrared remote control switch.
Background technology
The modal appliance circuit on-off control device of current household is dial type mechanical switch, adopts dial type mechanical switch, directly controls the break-make of alternating current, and realize principle simple, cost compare is low.
But, there is lower column defects: first in existing dial type mechanical switch, the times influence of being stirred serviceable life is larger, after long-time frequent use, the contact copper sheet of machinery there will be the phenomenon of loose contact, easily affects serviceable life by foreign material such as dust oil stains; Secondly, cannot remote pilot be realized, make troubles to use.
Along with the development of infrared communication technique, infrared telecontrol switch starts to appear in household electrical appliance, but existing various electrical equipment is separate separation, namely a telepilot can only control an electrical equipment usually, telepilot uses inconvenience, the wasting of resources is large, and holistic cost is high, and if utilize single-chip microcomputer to carry out remote pilot by infrared ray, then because single-chip microcomputer requires high to peripheral circuits, operating voltage requirement is stable, operating environment requirements is strict, manufacturing cost is high, not easily promote.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is for providing one easy to use, easy to implement and lower-cost infra-red remote control gate-controlled switch circuit.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of infra-red remote control gate-controlled switch circuit, comprise: for the voltage-stabilized power supply circuit of powering to on-off circuit and the infrared receiving terminal HD for receiving infrared-ray signal, output terminals A 1, the output terminals A 2 of described voltage-stabilized power supply circuit are connected with the power positive end VCC of described infrared receiving terminal HD respectively, power ground end GND is connected, and the output terminal OUT of described infrared receiving terminal HD is connected with the signal input part B1 of D/A change-over circuit, the circuit structure of described D/A change-over circuit is: comprise resistance R3, electric capacity C5, be connected with the signal input part B1 of D/A change-over circuit behind one end of one end shunt-wound capacitance C5 of described resistance R3, the other end of described resistance R3 is connected with the base stage of triode VT1, the collector of described triode VT1 is also connected with the signal input end B2 of RC timing control circuit behind one end of connecting resistance R4, be connected with the output terminals A 2 of voltage-stabilized power supply circuit after the other end of the emitter shunt-wound capacitance C5 of described triode VT1, the other end of described resistance R4 is connected with the output terminals A 1 of voltage-stabilized power supply circuit, the circuit structure of described RC timing control circuit is: comprise resistance R5, resistance R6, diode D3, one end of diode D4, described resistance R5 also connects the negative pole of diode D3, the negative pole of diode D4, be connected with the signal input part B2 of RC timing control circuit behind one end of resistance R6, the other end of described resistance R5 and after connecing the positive pole of diode D3 with diode D5, one end of one end of electric capacity C6 is connected, the other end of described resistance R6 and after connecing the positive pole of diode D4 with the positive pole of diode D7, one end of electric capacity C7 is connected, the other end of described diode D5 and after connecing the negative pole of diode D6 with one end of resistance R7, one end loading count circuit input end B3 of electric capacity C8 is connected, the positive pole of described diode D6 is connected with the data output end Q0 of counting chip U2, the data output end Q2 of described counting chip U2 is connected with the clear terminal CR of described counting chip U2, one end of the input end of clock CP shunt-wound capacitance C9 of described counting chip U2, be connected with the negative pole of diode D7 behind one end of resistance R8, the other end of the other end shunt-wound capacitance C7 of described electric capacity C6, the other end of resistance R7, the other end of electric capacity C8, the other end of resistance R8, the other end of electric capacity C9, be connected with the output terminals A 2 of voltage-stabilized power supply circuit after the VSS power supply negative terminal of counting chip U2, the VDD power positive end of described counting chip U2 is connected with the output terminals A 3 of voltage-stabilized power supply circuit, the circuit structure of described loading count circuit is: comprise counting chip U1, the input end of clock CP of described counting chip U1 is connected with the input end B3 of loading count circuit, the data output end Q2 of described counting chip U1 is connected with the clear terminal CR of described counting chip U1, the data output end Q1 of described counting chip U1 is connected with one end of resistance R9, the other end of described resistance R9 is connected with the base stage of triode VT2, the collector of described triode VT2 is also connected with one end of relay J 1 coil after connecing the positive pole of diode D9, the data output end Q0 of described counting chip U1 is connected with one end of resistance R10, the other end of described resistance R10 is connected with the base stage of triode VT3, the collector of described triode VT3 is also connected with one end of relay J 2 coil after connecing the positive pole of diode D8, the negative pole of described diode D9 the other end of contact relay J1 coil, the negative pole of diode D89, be connected with the output terminals A 3 of voltage-stabilized power supply circuit after the other end of relay J 2 coil, the power supply negative terminal VSS of described counting chip U1 also connects the emitter of triode VT3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit after the emitter of triode VT2, one end of the normally opened contact of described relay J 1 is connected with the live wire end of the first external load power supply, one end of the normally opened contact of described relay J 2 is connected with the live wire end of the second external load power supply, the other end of the normally opened contact of described relay J 1 also inputs anode with external 220V power supply after the other end of the normally opened contact of contact relay J2 and is connected, and the zero line side of described first external load power supply also inputs negative terminal with external 220V power supply after connecing the zero line side of the second external load power supply and is connected.
In the present invention, described voltage-stabilized power supply circuit comprises: transformer T1, electric capacity C1, and the input end of described transformer T1 is connected with external 220V power input, and described electric capacity C1 is attempted by between the input end of transformer T1 and external 220V power input, the output plus terminal of described transformer T1 is connected with the positive pole of diode D1, the negative pole of described diode D1 also connects the negative pole of diode D2, one end of resistance R1, one end of resistance R2, be connected with one end of electric capacity C3 behind one end of electric capacity C2, the positive pole of described diode D2 is connected with the output negative terminal of transformer T1, the other end of described resistance R2 is connected with the input end of stabilivolt W1, one end of described resistance R1 is connected with the positive pole of light emitting diode D10, the negative pole of described light emitting diode D10 also connects the tap of transformer T1, the other end of electric capacity C2, the earth terminal of stabilivolt W1, the other end of electric capacity C3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit behind one end of electric capacity C4, be connected with the output terminals A 1 of voltage-stabilized power supply circuit after the other end of the output terminal shunt-wound capacitance C4 of described stabilivolt W1.
The model of described counting chip U1, counting chip U2 is the pulsqe distributor of CD4017, and described triode VT1, triode VT2, triode VT3 are NPN transistor, and the model of described stabilivolt W1 is 7805.
The present invention compared with prior art has following beneficial effect:
The present invention includes: voltage-stabilized power supply circuit, infrared remote receiver HD, D/A change-over circuit, RC timing control circuit and loading count circuit, during use, first the infrared control signal received is delivered in D/A change-over circuit by infrared remote receiver HD, the infrared signal of numeral is transformed into simulating signal, then by RC integral timing circuit, this simulating signal is become the switching signal of free change, and pass through loading count circuit realiration to the control of respective load electrical equipment and locking; Present invention achieves and just can carry out switch control rule to the multiple electrical equipment be arranged on wall by a telepilot, easy to use, install simple, what decrease switch stirs frequency simultaneously, thus adds the serviceable life of switch; Present invention reduces the parts such as the telepilot of multiple electrical equipment, switch and reach the object that can economize on resources.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is circuit theory diagrams of the present invention;
Fig. 2 is the control principle drawing in the present embodiment;
In figure: 1 is voltage-stabilized power supply circuit, 2 is loading count circuit, and 3 is D/A change-over circuit, and 4 is RC timing control circuit, and 5 is straight-through control circuit, and 6 is lock-in circuit.
Embodiment
As shown in Figure 1 and Figure 2, a kind of infra-red remote control gate-controlled switch circuit, comprise: for the voltage-stabilized power supply circuit 1 of powering to on-off circuit and the infrared receiving terminal HD for receiving infrared-ray signal, output terminals A 1, the output terminals A 2 of described voltage-stabilized power supply circuit 1 are connected with the power positive end VCC of described infrared receiving terminal HD respectively, power ground end GND is connected, and the output terminal OUT of described infrared receiving terminal HD is connected with the signal input part B1 of D/A change-over circuit 3, the circuit structure of described D/A change-over circuit 3 is: comprise resistance R3, electric capacity C5, be connected with the signal input part B1 of D/A change-over circuit 3 behind one end of one end shunt-wound capacitance C5 of described resistance R3, the other end of described resistance R3 is connected with the base stage of triode VT1, the collector of described triode VT1 is also connected with the signal input end B2 of RC timing control circuit 4 behind one end of connecting resistance R4, be connected with the output terminals A 2 of voltage-stabilized power supply circuit 1 after the other end of the emitter shunt-wound capacitance C5 of described triode VT1, the other end of described resistance R4 is connected with the output terminals A 1 of voltage-stabilized power supply circuit 1, the circuit structure of described RC timing control circuit 4 is: comprise resistance R5, resistance R6, diode D3, one end of diode D4, described resistance R5 also connects the negative pole of diode D3, the negative pole of diode D4, be connected with the signal input part B2 of RC timing control circuit 4 behind one end of resistance R6, the other end of described resistance R5 and after connecing the positive pole of diode D3 with diode D5, one end of one end of electric capacity C6 is connected, the other end of described resistance R6 and after connecing the positive pole of diode D4 with the positive pole of diode D7, one end of electric capacity C7 is connected, the other end of described diode D5 and after connecing the negative pole of diode D6 with one end of resistance R7, the input end B3 of one end loading count circuit 2 of electric capacity C8 is connected, the positive pole of described diode D6 is connected with the data output end Q0 of counting chip U2, the data output end Q2 of described counting chip U2 is connected with the clear terminal CR of described counting chip U2, one end of the input end of clock CP shunt-wound capacitance C9 of described counting chip U2, be connected with the negative pole of diode D7 behind one end of resistance R8, the other end of the other end shunt-wound capacitance C7 of described electric capacity C6, the other end of resistance R7, the other end of electric capacity C8, the other end of resistance R8, the other end of electric capacity C9, be connected with the output terminals A 2 of voltage-stabilized power supply circuit 1 after the VSS power supply negative terminal of counting chip U2, the VDD power positive end of described counting chip U2 is connected with the output terminals A 3 of voltage-stabilized power supply circuit 1,
The circuit structure of described loading count circuit 2 is: comprise counting chip U1, the input end of clock CP of described counting chip U1 is connected with the input end B3 of loading count circuit 2, the data output end Q2 of described counting chip U1 is connected with the clear terminal CR of described counting chip U1, the data output end Q1 of described counting chip U1 is connected with one end of resistance R9, the other end of described resistance R9 is connected with the base stage of triode VT2, the collector of described triode VT2 is also connected with one end of relay J 1 coil after connecing the positive pole of diode D9, the data output end Q0 of described counting chip U1 is connected with one end of resistance R10, the other end of described resistance R10 is connected with the base stage of triode VT3, the collector of described triode VT3 is also connected with one end of relay J 2 coil after connecing the positive pole of diode D8, the negative pole of described diode D9 the other end of contact relay J1 coil, the negative pole of diode D89, be connected with the output terminals A 3 of voltage-stabilized power supply circuit 1 after the other end of relay J 2 coil, the power supply negative terminal VSS of described counting chip U1 also connects the emitter of triode VT3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit 1 after the emitter of triode VT2, one end of the normally opened contact of described relay J 1 is connected with the live wire end of the first external load power supply, one end of the normally opened contact of described relay J 2 is connected with the live wire end of the second external load power supply, the other end of the normally opened contact of described relay J 1 also inputs anode with external 220V power supply after the other end of the normally opened contact of contact relay J2 and is connected, and the zero line side of described first external load power supply also inputs negative terminal with external 220V power supply after connecing the zero line side of the second external load power supply and is connected.
Particularly, described voltage-stabilized power supply circuit 1 comprises: transformer T1, electric capacity C1, and the input end of described transformer T1 is connected with external 220V power input, and described electric capacity C1 is attempted by between the input end of transformer T1 and external 220V power input, the output plus terminal of described transformer T1 is connected with the positive pole of diode D1, the negative pole of described diode D1 also connects the negative pole of diode D2, one end of resistance R1, one end of resistance R2, be connected with one end of electric capacity C3 behind one end of electric capacity C2, the positive pole of described diode D2 is connected with the output negative terminal of transformer T1, the other end of described resistance R2 is connected with the input end of stabilivolt W1, one end of described resistance R1 is connected with the positive pole of light emitting diode D10, the negative pole of described light emitting diode D10 also connects the tap of transformer T1, the other end of electric capacity C2, the earth terminal of stabilivolt W1, the other end of electric capacity C3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit 1 behind one end of electric capacity C4, be connected with the output terminals A 1 of voltage-stabilized power supply circuit 1 after the other end of the output terminal shunt-wound capacitance C4 of described stabilivolt W1.
Further, the model of described counting chip U1, counting chip U2 is the pulsqe distributor of CD4017, and described triode VT1, triode VT2, triode VT3 are NPN transistor, and the model of described stabilivolt W1 is 7805.
In the present embodiment, the quantity quantity of described load can be configured according to specific needs, load in the present embodiment is 2 tunnels, comprise: the first external load and the second external load, described counting chip U1 and the output terminal of counting chip U1 are respectively used to the break-make of control first external load and the second external load.
Particularly, the resistance R5 described in described RC timing control circuit 4, electric capacity C6 form straight-through control circuit 5, and described resistance R6, electric capacity C7 form lock-in circuit 6; Particularly, described lock-in circuit 6 and diode D7 form the first switching signal, and described straight-through control circuit 5 forms second switch signal with diode D5.
Control principle in the present embodiment is:
The infrared signal that infrared receiving terminal HD will receive, after D/A change-over circuit 3, the signal input part B2 of a high level signal to RC timing control circuit 4 is exported at the collector of triode VT1, and directly deliver on the input end of clock CP of counting chip U1 by the second switch signal be made up of resistance R5, electric capacity C6, diode D5, control the Serial output of counting chip U1, the break-make of further control load;
Described resistance R6, the first switching signal that electric capacity C7 and diode D7 is formed acts on the input end of clock CP of counting chip U2, locking signal is exported by the output terminal Q0 controlling counting chip U1, locking signal is by acting on the input end of clock CP to counting chip U1 after diode D6, for locking load, otherwise, by the long button pressing telepilot, make the infrared signal of length that infrared receiving terminal HD will receive, now, described resistance R6, the first switching signal that electric capacity C7 and diode D7 is formed makes the output terminal output low level unlocking signal of counting chip U2, second switch signal function, the break-make of direct control load.
In the present embodiment, can two bulbs be connected on remote control gate-controlled switch circuit as load, if do not have lock-in circuit, telepilot often sends a signal, and the bulb as load all action in turn, bulb light on and off will be handed over and carry out, can not normal illumination; After enabling lock-in circuit 6, now, the load of the control of counting chip U1 is locked, straight-through control circuit 5 can not directly act on counting chip U1, thus locked load illumination, make circuit by the impact of remote control actions, circuit stability, practical, purposes is wide.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (5)
1. an infra-red remote control gate-controlled switch circuit, comprise: for the voltage-stabilized power supply circuit (1) of powering to on-off circuit and the infrared receiving terminal HD for receiving infrared-ray signal, it is characterized in that: output terminals A 1, the output terminals A 2 of described voltage-stabilized power supply circuit (1) are connected with the power positive end VCC of described infrared receiving terminal HD respectively, power ground end GND is connected, and the output terminal OUT of described infrared receiving terminal HD is connected with the signal input part B1 of D/A change-over circuit (3);
The circuit structure of described D/A change-over circuit (3) is: comprise resistance R3, electric capacity C5, be connected with the signal input part B1 of D/A change-over circuit (3) behind one end of one end shunt-wound capacitance C5 of described resistance R3, the other end of described resistance R3 is connected with the base stage of triode VT1, the collector of described triode VT1 is also connected with the signal input end B2 of RC timing control circuit (4) behind one end of connecting resistance R4, be connected with the output terminals A 2 of voltage-stabilized power supply circuit (1) after the other end of the emitter shunt-wound capacitance C5 of described triode VT1, the other end of described resistance R4 is connected with the output terminals A 1 of voltage-stabilized power supply circuit (1),
The circuit structure of described RC timing control circuit (4) is: comprise resistance R5, resistance R6, diode D3, one end of diode D4, described resistance R5 also connects the negative pole of diode D3, the negative pole of diode D4, be connected with the signal input part B2 of RC timing control circuit (4) behind one end of resistance R6, the other end of described resistance R5 and after connecing the positive pole of diode D3 with diode D5, one end of one end of electric capacity C6 is connected, the other end of described resistance R6 and after connecing the positive pole of diode D4 with the positive pole of diode D7, one end of electric capacity C7 is connected, the other end of described diode D5 and after connecing the negative pole of diode D6 with one end of resistance R7, the input end B3 of one end loading count circuit (2) of electric capacity C8 is connected, the positive pole of described diode D6 is connected with the data output end Q0 of counting chip U2, the data output end Q2 of described counting chip U2 is connected with the clear terminal CR of described counting chip U2, one end of the input end of clock CP shunt-wound capacitance C9 of described counting chip U2, be connected with the negative pole of diode D7 behind one end of resistance R8, the other end of the other end shunt-wound capacitance C7 of described electric capacity C6, the other end of resistance R7, the other end of electric capacity C8, the other end of resistance R8, the other end of electric capacity C9, be connected with the output terminals A 2 of voltage-stabilized power supply circuit (1) after the VSS power supply negative terminal of counting chip U2, the VDD power positive end of described counting chip U2 is connected with the output terminals A 3 of voltage-stabilized power supply circuit (1),
The circuit structure of described loading count circuit (2) is: comprise counting chip U1, the input end of clock CP of described counting chip U1 is connected with the input end B3 of loading count circuit (2), the data output end Q2 of described counting chip U1 is connected with the clear terminal CR of described counting chip U1, the data output end Q1 of described counting chip U1 is connected with one end of resistance R9, the other end of described resistance R9 is connected with the base stage of triode VT2, the collector of described triode VT2 is also connected with one end of relay J 1 coil after connecing the positive pole of diode D9, the data output end Q0 of described counting chip U1 is connected with one end of resistance R10, the other end of described resistance R10 is connected with the base stage of triode VT3, the collector of described triode VT3 is also connected with one end of relay J 2 coil after connecing the positive pole of diode D8, the negative pole of described diode D9 the other end of contact relay J1 coil, the negative pole of diode D89, be connected with the output terminals A 3 of voltage-stabilized power supply circuit (1) after the other end of relay J 2 coil, the power supply negative terminal VSS of described counting chip U1 also connects the emitter of triode VT3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit (1) after the emitter of triode VT2, one end of the normally opened contact of described relay J 1 is connected with the live wire end of the first external load power supply, one end of the normally opened contact of described relay J 2 is connected with the live wire end of the second external load power supply, the other end of the normally opened contact of described relay J 1 also inputs anode with external 220V power supply after the other end of the normally opened contact of contact relay J2 and is connected, and the zero line side of described first external load power supply also inputs negative terminal with external 220V power supply after connecing the zero line side of the second external load power supply and is connected.
2. a kind of infra-red remote control gate-controlled switch circuit according to claim 1, it is characterized in that: described voltage-stabilized power supply circuit (1) comprising: transformer T1, electric capacity C1, the input end of described transformer T1 is connected with external 220V power input, and described electric capacity C1 is attempted by between the input end of transformer T1 and external 220V power input;
The output plus terminal of described transformer T1 is connected with the positive pole of diode D1, the negative pole of described diode D1 also connects the negative pole of diode D2, one end of resistance R1, one end of resistance R2, be connected with one end of electric capacity C3 behind one end of electric capacity C2, the positive pole of described diode D2 is connected with the output negative terminal of transformer T1, the other end of described resistance R2 is connected with the input end of stabilivolt W1, one end of described resistance R1 is connected with the positive pole of light emitting diode D10, the negative pole of described light emitting diode D10 also connects the tap of transformer T1, the other end of electric capacity C2, the earth terminal of stabilivolt W1, the other end of electric capacity C3, be connected with the output terminals A 2 of voltage-stabilized power supply circuit (1) behind one end of electric capacity C4, be connected with the output terminals A 1 of voltage-stabilized power supply circuit (1) after the other end of the output terminal shunt-wound capacitance C4 of described stabilivolt W1.
3. the controlled floor lamp switch of a kind of infra-red remote control according to claim 2, is characterized in that: the model of described counting chip U1, counting chip U2 is the pulsqe distributor of CD4017.
4. a kind of infra-red remote control gate-controlled switch circuit according to claim 2, is characterized in that: described triode VT1, triode VT2, triode VT3 are NPN transistor.
5. a kind of infra-red remote control gate-controlled switch circuit according to claim 2, is characterized in that: the model of described stabilivolt W1 is 7805.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617364.9A CN105242729B (en) | 2015-09-25 | 2015-09-25 | A kind of infra-red remote control gate-controlled switch circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510617364.9A CN105242729B (en) | 2015-09-25 | 2015-09-25 | A kind of infra-red remote control gate-controlled switch circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105242729A true CN105242729A (en) | 2016-01-13 |
| CN105242729B CN105242729B (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510617364.9A Expired - Fee Related CN105242729B (en) | 2015-09-25 | 2015-09-25 | A kind of infra-red remote control gate-controlled switch circuit |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5977882A (en) * | 1995-08-22 | 1999-11-02 | Moore; Clayton K. | Infrared remote controlled in-line power switch |
| EP2405415A1 (en) * | 2009-03-02 | 2012-01-11 | Huo, Weimin | Device used for eliminating standby power consumption of the infrared remote control electrical appliance |
| CN103607188A (en) * | 2013-11-08 | 2014-02-26 | 姜国仙 | A remote control switch used for a power supply socket |
| CN203691419U (en) * | 2013-12-11 | 2014-07-02 | 张广国 | Infrared receiving circuit and receiver |
| CN104579270A (en) * | 2013-10-18 | 2015-04-29 | 西安造新电子信息科技有限公司 | Infrared remote control timer |
-
2015
- 2015-09-25 CN CN201510617364.9A patent/CN105242729B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5977882A (en) * | 1995-08-22 | 1999-11-02 | Moore; Clayton K. | Infrared remote controlled in-line power switch |
| EP2405415A1 (en) * | 2009-03-02 | 2012-01-11 | Huo, Weimin | Device used for eliminating standby power consumption of the infrared remote control electrical appliance |
| CN104579270A (en) * | 2013-10-18 | 2015-04-29 | 西安造新电子信息科技有限公司 | Infrared remote control timer |
| CN103607188A (en) * | 2013-11-08 | 2014-02-26 | 姜国仙 | A remote control switch used for a power supply socket |
| CN203691419U (en) * | 2013-12-11 | 2014-07-02 | 张广国 | Infrared receiving circuit and receiver |
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| Publication number | Publication date |
|---|---|
| CN105242729B (en) | 2017-11-14 |
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