CN203386029U

CN203386029U - A double channel decoupling remote control switch device

Info

Publication number: CN203386029U
Application number: CN201320330795.3U
Authority: CN
Inventors: 何敬银
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-09
Filing date: 2013-06-09
Publication date: 2014-01-08
Anticipated expiration: 2023-06-09

Abstract

The utility model relates to the technical field of electronic switches, and specifically relates to a double channel decoupling remote control switch device. The double channel decoupling remote control switch device is composed of a power supply circuit, a control circuit, a power saving circuit and a double channel load circuit. The power supply circuit is separately connected with the control circuit and the power saving circuit The control circuit is connected with the double channel load circuit. The double channel load circuit is connected with the power saving circuit. The power supply circuit provides a power supply for the working of the circuit. The control circuit of the double channel decoupling remote control switch device 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 can be utilized as the switch controller. According to the control circuit of the double channel decoupling remote control switch device of the utility model, a second capacitor is utilized to carry out decoupling on a local power supply, so that the stability of the circuit is improved. At the same time, the power saving circuit is utilized, so that the power consumption of the relay in the actuation period is reduced to the limit, and an energy saving and consumption reduction purpose is realized.

Description

The energy-conservation decoupling remote-controlled switchgear of a kind of two-way

Technical field

The utility model relates to the electronic switching technology field, specifically a kind of energy-conservation decoupling remote-controlled switchgear of two-way 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 teleswitch product has appearred in market now, although improved the convenience in people's use, but teleswitch great majority in the market must be used in conjunction with the nonshared control unit of its coupling, could realize the 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 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 energy-conservation decoupling remote-controlled switchgear of two-way of need not nonshared control unit controlling is provided.

Implementation of the present utility model is: by feed circuit, control circuit, power-saving circuit and two loads the electric circuit constitute, feed circuit are connected with control circuit, power-saving circuit respectively; Control circuit is connected with the two loads circuit, and the two loads circuit is connected with power-saving circuit; Described feed circuit provide circuit working required power supply.

Described feed circuit by the 12V direct supply with the 3rd diode, be connected, the 3rd diode is connected with the second electric capacity, the second resistance respectively, the second resistance and the second diode connect to form.

Described 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.

Described power-saving circuit comprises: the 4th resistance, and the 4th resistance is connected with the 3rd transistorized base stage, and the 3rd transistor AND gate the 5th diodes in parallel connects; The 4th resistance is connected with the 4th transistor collector by the 5th resistance, and the 4th transistorized base stage is by being connected with output level pin in single-chip microcomputer in control circuit with after the 6th resistance series connection.

The two loads circuit comprises two groups of load units, and one group of load unit comprises the first resistance, and the first resistance is connected with the first transistor base stage, and the first crystal pipe collector is connected with the first diode, and the first diodes in parallel connects the first relay; Another group load unit comprises the 3rd resistance, and the 3rd resistance is connected with the transistor seconds base stage, and the transistor seconds collector is connected with the 4th diode, and the 4th diodes in parallel connects the second 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 telepilot of existing home appliance to control the shutoff of the utility model two loads circuit relay electrical equipment, thereby realize controlling the action of teleswitch.The utility model utilizes the second electric capacity for the local power supply decoupling, improved the stability of circuit, and utilize the relay adhesive to maintain 50% the characteristic that voltage only need reach its nominal voltage to have added province's electric unit, realization has reduced the power consumption during the relay adhesive to greatest extent, realizes energy-saving and cost-reducing purpose.

The 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 by feed circuit, control circuit, power-saving circuit and two loads the electric circuit constitute, and feed circuit are connected with control circuit, power-saving circuit respectively; Control circuit is connected with the two loads circuit, and the two loads circuit is connected with power-saving circuit; Described feed circuit provide circuit working required power supply.

With reference to Fig. 2, in the utility model embodiment, feed circuit by the 12V direct supply with the 3rd diode VD3, be connected, the 3rd diode VD3 is connected with the second capacitor C 2, the second resistance R 2 respectively, the second resistance R 2 and the second diode VD2 connect to form.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.

Power-saving circuit comprises: the 4th resistance R 4, the four resistance R 4 are connected with the base stage of the 3rd transistor VT3, and the 3rd transistor VT3 and the 5th diode VD5 are connected in parallel; The 4th resistance R 4 is connected with the 4th transistor VT4 collector by the 5th resistance R 5, and the base stage of the 4th transistor VT4 is by being connected with output level pin in single-chip microcomputer IC1 in control circuit with after the 6th resistance R 6 series connection;

The two loads circuit comprises two groups of load units, one group of load unit comprises the first electric R1, the first resistance R 1 is connected with the first transistor VT1 base stage, and the first transistor VT1 collector is connected with the first diode VD1, the first diode VD1 first relay R L1 that is connected in parallel; Another group load unit comprises that the 3rd resistance R 3, the three resistance R 3 are connected with transistor seconds VT2 base stage, and transistor seconds VT2 collector is connected with the 4th diode VD4, the 4th diode VD4 second relay R L2 that is connected in parallel.The first transistor VT1, transistor seconds VT2 and the 4th transistor VT4 adopt the NPN triode that model is BC547, and the 3rd transistor VT3 adopts the positive-negative-positive triode that model is BC327.

Wherein, the first diode VD1 and the 4th diode VD4 are fly-wheel diode in the two loads circuit, can effectively prevent that the first relay R L1 and the second relay R L2 from discharging the back electromotive force breakdown driven pipe of moment.Utilize the second electric capacity for the local power supply decoupling, improved the stability of the utility model circuit.

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, 12bit is arranged respectively, 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 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), single-chip microcomputer IC1 controls shutoff and the adhesive action of the first relay R L1 and the second relay R L2, the existing domestic electrical equipment remote controller gauge tap of realization utilization is opened the function with adhesive.

Usually in actual practicality, the relay adhesive only need reach 75% of its nominal voltage and get final product, once adhesive, the voltage that maintains adhesive only need reach 50% of its nominal voltage.According to this characteristic, the utility model has added power-saving circuit in circuit design, what the relay model adopted Omron G5LB, the relay adhesive of this model to maintain that voltage only need reach nominal voltage in the present embodiment can maintain adhesive more than 10%, further reduction circuit overall power.

After the infrared command signal decoding that single-chip microcomputer IC1 sends the infrared remote receiver IC2 received, single-chip microcomputer IC1 controls and makes the first relay R L1 and the second relay R L2 adhesive, surpass the default marginal time value of single-chip microcomputer IC1 (as 100ms when the pickup time of the first relay R L1 and the second relay R L2, 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 power-saving circuit, that is: single-chip microcomputer IC1 corresponding pin outputs level signals, make the 4th transistor VT4 conducting be connected with single-chip microcomputer IC1 by the 6th resistance R 6, give the suitable biasing of the 3rd transistor VT3 during the 4th transistor VT4 conducting, make the 3rd transistor VT3 conducting, the five diode VD5 bypass in parallel with the 3rd transistor VT3, supply voltage is by after the 5th diode VD5 step-down, residual voltage is added on relay coil, what only need remaining power supply voltage to be greater than the relay nominal can keep attracting state more than 10%, realize the purpose of energy-conservation reduction power consumption.

The 5th diode VD5 adopts stabilivolt, can play and prevent that relay from can not fully keep adhesive, avoids occurring jitter conditions.

Claims

1. the energy-conservation decoupling remote-controlled switchgear of two-way, it is characterized in that: by feed circuit, control circuit, power-saving circuit and two loads the electric circuit constitute, feed circuit are connected with control circuit, power-saving circuit respectively; Control circuit is connected with the two loads circuit, and the two loads circuit is connected with power-saving circuit; Described feed circuit provide circuit working required power supply;

Described feed circuit by the 12V direct supply with the 3rd diode (VD3), be connected, the 3rd diode (VD3) is connected with the second electric capacity (C2), the second resistance (R2) respectively, the second resistance (R2) connects to form with the second diode (VD2);

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 power-saving circuit comprises: the 4th resistance (R4), and the 4th resistance (R4) is connected with the base stage of the 3rd transistor (VT3), and the 3rd transistor (VT3) is connected in parallel with the 5th diode (VD5); The 4th resistance (R4) is connected with the 4th transistor (VT4) collector by the 5th resistance (R5), and the base stage of the 4th transistor (VT4) is by being connected with output level pin in single-chip microcomputer in control circuit (IC1) with after the 6th resistance (R6) series connection;

Described two loads circuit comprises two groups of load units, one group of 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), the first diode (VD1) the first relay (RL1) that is connected in parallel; Another group load unit comprises the 3rd resistance (R3), the 3rd resistance (R3) is connected with transistor seconds (VT2) base stage, transistor seconds (VT2) collector is connected with the 4th diode (VD4), the 4th diode (VD4) the second relay (RL2) that is connected in parallel.

2. the energy-conservation decoupling remote-controlled switchgear of a kind of two-way according to claim 1, is characterized in that: described infrared remote receiver (IC2) employing TSOP480 infrared remote receiver, the PIC10F200 single-chip microcomputer of single-chip microcomputer (IC1) employing MICROCHIP company; It is Omron G5LB relay that the first relay (RL1) and the second relay (RL2) adopt model; The first transistor (VT1), transistor seconds (VT2) and the 4th transistor (VT4) adopt the NPN triode that model is BC547, and the 3rd transistor (VT3) adopts the positive-negative-positive triode that model is BC327.