CN201383602Y

CN201383602Y - Remote control receiving device of power socket

Info

Publication number: CN201383602Y
Application number: CN200920148947U
Authority: CN
Inventors: 陈耀华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-04-14
Filing date: 2009-04-14
Publication date: 2010-01-13
Anticipated expiration: 2019-04-14

Abstract

The utility model discloses a remote control receiving device of power socket, which is provided with a high frequency receiving, amplifying and detecting circuit, a baseband signal amplifying circuit, a decoding circuit and a switch driving circuit, which are connected in sequence. The device is characterized in that the decoding circuit consists of a single chip microcomputer (U1) and a peripheral circuit, and the input terminal of the single chip microcomputer is connected with a dialer (S1). The remote control receiving device has the advantages of low probability of repeating code, multiple expandable controlled functions and simple structure.

Description

Remote circuit socket receiving system

Technical field

The utility model belongs to a kind of electronic electric equipment, is specifically related to a kind of supply socket of wireless remote control.

Background technology

The wireless remote control supply socket is generally used for the near radio cable power supply control of industrial equipment, household electrical appliance and other electrical appliance equipment.Adopt this device, the break-make that people can the remote control socket power supply realizes the switch control to the power consumption equipment power supply.Its groundwork principle is: the operator comprises the remote signal of particular address sign indicating number and numeric data code with remote controller, after the remote circuit socket receives this signal, the identification of decoding, if it is identical with the address code of receiver, can read the Data Control instruction that remote controller sends, and send control signal to switch driving circuit according to this instruction, by the break-make of execution unit control power supply.The reflector of this class device all needs to establish coding circuit, by the receiving system of control socket decoding circuit need be set, the decoding circuit of existing remote circuit socket all is to adopt special-purpose decoding integrated chip, its weak point is that the figure place of decoding integrated chip deal with data is few, have only 12 at most, so the one, repeated code appears easily, and the 2nd, be difficult for the more Be Controlled function of expansion.

Summary of the invention

The technical problems to be solved in the utility model provides and a kind ofly is not prone to repeated code, can expand more Be Controlled functions and remote circuit socket receiving system simple in structure.

The technical scheme that addresses the above problem is: be provided with the high frequency that connects successively and receive amplification demodulatoring circuit, baseband signal amplifying circuit, decoding circuit and switch driving circuit, it is characterized in that: described decoding circuit is made up of single-chip microcomputer (U1) and peripheral circuit, and the single-chip microcomputer output is connected with DIP device (S1).

Operation principle of the present utility model is: (S1) carries out encoding setting to receiver with DIP device, after remote control transmitter sends remote signal, this device receiving circuit is received the high-frequency signal that remote control transmitter is sent, the baseband signal of carrying out will comprising after the demodulation address code and numeric data code is input to the decoding circuit single-chip microcomputer, single-chip microcomputer is relatively judged by program, when the address code of the address code of remote signal and numeric data code and receiving system is identical with numeric data code, single-chip microcomputer just can be read the control command signal that remote controller sends, and send control signal corresponding to switch driving circuit, the Kai Heguan of control supply socket.Adopt single-chip microcomputer to form decoding circuit, can expand more Be Controlled function, for example reflector is except can being provided with the control button of fractions safety pin to each controlled remote circuit socket, inequality and the receiver that numeric data code is identical of this master control button may command address sign indicating number of a master control button-promptly press also can be set, because the utility model has adopted single-chip microcomputer to make decoder, so can handle figure place more data information, and can control by software, thereby can realize more controlled function, and receive and dispatch the wide increasing of sign indicating number of sending remote signal, also can increase interference free performance and be not easy to occur repeated code.

The utlity model has and be not prone to repeated code, good in anti-interference performance, can expand more Be Controlled functions, advantage of simple structure.

Description of drawings

Fig. 1, the utility model frame structure schematic diagram

Fig. 2, the utility model embodiment 1 high frequency receive amplification demodulatoring circuit and baseband signal amplification circuit diagram

Fig. 3, the utility model embodiment 1 decoding circuit and switch driving circuit figure

Fig. 4, the utility model embodiment 2 decoding circuits and switch driving circuit figure

Embodiment

Embodiment 1

This example is the remote control socket receiving system by the output of relay control AC power.

The ac power supply that this remote-receiver is inserted by the remote circuit socket:

Referring to Fig. 3, the remote circuit socket is provided with ac power plug J1, J2 as input, AC Power supply socket J3, J2 are as output, J2 is the common terminal of input and output, full-wave rectifying circuit and 24 volts of direct currents of output that ac power input end is formed by D1-D4, the execution unit switch relay RL1 that exchanges output for control powers, and 24 volts of filter circuit and+5 volts of power supplys of voltage-stabiliser tube Z2 output that direct currents are formed through R6, C4, C3 again are the remote-receiver power supply.

Remote-receiver is provided with the high frequency that connects successively and receives amplification demodulatoring circuit, baseband signal amplification electricity road, decoding circuit and switch driving circuit.

Referring to Fig. 2, receive in the amplification demodulatoring circuit at high frequency, triode Q1 forms the superregenerative detection circuit: detection triode Q1 base stage is connected on resistance R 5, on the dc partial voltage point of R3, collector circuit is connected to the parallel resonance capacitor C 1 that is tuned in the remote controller tranmitting frequency, inductance L 2, be connected to feedback capacity C2 between collector electrode and the emitter, be connected to high frequency choke inductance L 1 between emitter and the ground successively, resistance R 12, base stage and collector electrode (C1, L2) be connected to feedback capacity C4 between the resonant circuit output, be connected to charge and discharge capacitance C3 between base stage and the emitter high frequency choke inductance L 1 ground end, collector electrode resonant circuit output connects DC power supply+5 volt by pull-up resistor R2, and connects the baseband signal amplification and rectification circuit by low-pass filter circuit.

Low-pass filter circuit is to remove noise by series resistance R4, forms π type filter circuit with resistance R 6, capacitor C 5, capacitor C 8, and this circuit has advantage of simple structure.

Above-mentioned regenerative detection circuit has very high multiplication factor, so needn't establish external antenna, the charge and discharge capacitance C3 of setting and feedback capacity C4 can be used for regulating the superregenerative extinguishing frequency of oscillation of regenerative detection circuit.

Described baseband signal amplifying circuit is formed amplification and pulse shaper by two utmost point operational amplifier U2A and peripheral circuit, after making the baseband signal amplitude reach enough big and being recovered to digital signal (digit pulse string), be input to decoding circuit by connector JP1 by the DATA end.

Referring to Fig. 3, decoding circuit is made up of single-chip microcomputer U1 and peripheral circuit, the baseband signal amplifier output signal is input to single-chip microcomputer input 8 pin through the R8 of series connection, single-

chip microcomputer

12,11 pin meet crystal oscillator Y1, feeder ear 10 pin connect+5 volts of power supplys by pull-up resistor R7, and R12, C6 form electrify restoration circuit, and the 1-7 pin of DIP device S1 is connected with the 1-3 pin with 13-16 respectively, 9 pin are connected with single-chip microcomputer 3 pin, and 8,10 pin are connected with single-chip microcomputer 8 pin.

This example is the relay switch drive circuit by the switch driving circuit of decoding circuit control, single-chip microcomputer output 5 pin are connected with the switching tube Q1 base stage of forming switch driving circuit, switch control assembly relay R L1 coil is connected in the collector loop of switching tube Q1, its switch contact is serially connected in the link circuit of ac input end J1 and ac output end J3, is used to control the power supply output of remote control socket.

Can control the master control button of all controlled devices when reflector being provided with, because this receiver single-chip microcomputer has the ability of handling the seniority top digit remote-control data that receives, and can utilize software to control, so can cooperate reflector to realize this function, thereby expand more Be Controlled function by many remote circuit sockets of one group of total key control.

Embodiment 2

This example is the receiving system of tunable optical remote control socket.

As different from Example 1:

This routine DC power-supply circuit is mainly formed by the rectifier diode D3 that is connected with ac input end with by filter circuit and voltage-stabiliser tube D1, D2 that R2, C1, C2 form;

The switch driving circuit of decoding circuit control is the bi-directional thyristor switch drive circuit.

Referring to Fig. 4, this routine decoding circuit is made up of the U2 single-chip microcomputer, and its output 5 pin are connected with the bidirectional triode thyristor trigger end, and bidirectional triode thyristor is serially connected between ac input end J1 and the ac output end J3.

Be provided with the phase sampling circuit that is connected on ac input end, its output is connected with the single-chip microcomputer input, is used to the machine controllable silicon angle of flow that the phase sample signal is provided.Phase sampling circuit is made up of triode Q1, its grounded emitter, base stage connects+5 volts of power supplys by resistance R 5, and by capacitor C 10 ground connection, ac output end is connected with the negative pole of diode D4 and D5 by resistance R 8, R17, two diode cathodes are connected with ground with the Q1 base stage respectively, and triode Q1 collector electrode is connected with single-chip microcomputer input 10 pin.

This example not only can realize the remote control switch function to power consumption equipment, can also realize the function such as remote control light modulating, speed governing, temperature adjustment to power consumption equipment.

Its operation principle is: this device remote signal receiving circuit is received the high-frequency signal that remote control transmitter is sent, the baseband signal of carrying out will comprising after the demodulation address code and numeric data code is input to the decoding circuit single-chip microcomputer, when the address code of setting when this receiving system single-chip microcomputer is identical with the remote signal address code, just can read the Data Control command signal that remote controller sends, to bidirectional triode thyristor control utmost point output control signal corresponding, bidirectional triode thyristor is according to switching and the current-regulating voltage-regulating function of different control signal realizations to out-put supply.

This example realizes following control by software: single-chip microcomputer sends the length of duration according to remote controller, to different control voltage and the switching signals of bidirectional triode thyristor control utmost point output, realizes functions such as power device remote control switch and light modulation, speed governing, temperature adjustments.

Because adopt single-chip microcomputer to make decoding circuit, so this adjusting control circuit also can save the special-purpose Regulation Control module of the SCR control utmost point, the controlled function of this module is finished in the lump by the single-chip microcomputer of serving as decoding function.Event has compact conformation, simply advantage, and single-chip microcomputer also can be remembered the operating states such as light modulation, temperature adjustment or speed governing of power device, makes the original operating state of maintenance when starting once more.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; every foundation technical spirit of the present utility model all still belongs to the protection range of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.

Claims

1, remote circuit socket receiving system, be provided with the high frequency that connects successively and receive amplification demodulatoring circuit, baseband signal amplifying circuit, decoding circuit and switch driving circuit, it is characterized in that: described decoding circuit is made up of single-chip microcomputer (U1) and peripheral circuit, and the single-chip microcomputer input is connected with DIP device (S1).

2, remote circuit socket receiving system according to claim 1, it is characterized in that: described switch driving circuit is the relay switch drive circuit, the single-chip microcomputer output is connected with the switching tube base stage of forming the relay switch drive circuit, relay coil is connected in the collector loop of switching tube, and its switch contact is serially connected between the ac input end and ac output end of remote circuit socket.

3, remote circuit socket receiving system according to claim 1, it is characterized in that: described switch driving circuit is the bi-directional thyristor switch drive circuit, the single-chip microcomputer output is connected with the bidirectional triode thyristor trigger end, and bidirectional triode thyristor is serially connected between remote circuit socket ac input end and the ac output end.

4, remote circuit socket receiving system according to claim 3 is characterized in that: be provided with the phase sampling circuit that is connected on ac input end, its output is connected with the single-chip microcomputer input, is used to single-chip microcomputer that the phase sample signal is provided.