CN2696210Y

CN2696210Y - Radio digital remote control muti-channel electronic switch

Info

Publication number: CN2696210Y
Application number: CN 200320128328
Authority: CN
Inventors: 谢玉平
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-31
Filing date: 2003-12-31
Publication date: 2005-04-27
Anticipated expiration: 2013-12-31

Abstract

The utility model relates to a radio digital remote control multi-channel electronic switch which comprises a remote control emitting circuit 10 and a receiving circuit 20. The utility model is characterized in that the remote control emitting circuit 10 is formed by connecting a control signal input unit 11, an encryption encoder 12 and a high frequency modulation emitting unit 13 in series, and is connected with a power supply 14; the receiving circuit 20 is formed by connecting a high frequency signal receiving demodulator 21, an amplification reshaping unit 22, an encryption decoder 23, a trigger reversal unit 24 and a controllable switch 25 in series, wherein, the trigger reversal unit 24 is respectively connected with a manual control signal input unit 27 and an output indicating unit 26; the receiving circuit 20 is connected with a power supply 28 connected with an alternating current power supply AC; the controllable switch 25 is also respectively connected with the alternating current power supply AC and a controlled load. Compared with infrared remote control, the utility model has high reliability and interference resistance. Besides, the utility model can reach farther remote control distance, pass through non-metallic obstacles, not generate interference for other electric appliances, and also avoid fire hidden troubles of a contact type switch.

Description

Radio digital remote control multiple-channel electronic switches

Technical field

The utility model relates to a kind of remote control switch of electrical appliance, particularly relates to a kind of digital multiple-channel electronic switches of carrying out remote control with radio.

Background technology

Existing appliance mains switch all is mechanical dial type and button contact switch basically, this class switch can only direct control, can not long-distance remote control, therefore use inconvenience, and the contact can produce electric spark when disconnecting or engage, and emission radio interference signal, disturb the operate as normal of other electrical equipment, cause the misoperation of light-current system, more seriously also may light fuel gas in the surrounding environment or dust and therefore initiation fire exists certain potential safety hazard.In addition,, will seriously generate heat after work a period of time, progressively ablate, cause loose contact, influence the operate as normal of electrical equipment, even damage electrical equipment, cause fire because the contact often strikes sparks.For addressing this problem, occurred various remote control switches or inductive switch recently, but they all are to adopt infrared mode to come work, because infrared ray can not pass barrier, can only straightline propagation, so its command range can only reach several meters, and be easy to interfere with each other.

Summary of the invention

The utility model is intended to address the above problem, and a kind of farther remote control distance that can reach is provided, and can pass nonmetallic barrier and unlikely to other electrical equipment generation interference, safe and reliable radio digital remote control multiple-channel electronic switches.

For achieving the above object, the utility model provides a kind of radio digital remote control multiple-channel electronic switches, this electronic switch comprises remote controlled transmitting circuit 10 and receiving circuit 20, it is characterized in that, remote controlled transmitting circuit 10 is formed, and is connected with power supply 14 by control signal input unit 11, scrambled device 12, high frequency modulated transmitter unit 13 serial connections; Receiving circuit 20 is connected in series mutually by high-frequency signal receiving demodulation device 21, amplification shaping unit 22, encryption decoder 23, triggering roll-over unit 24, gate-controlled switch 25, wherein triggering roll-over unit 24 is connected with output indicating member 26 with manual control signal input unit 27 respectively, receiving circuit 20 is connected with the power supply 28 that links to each other with AC power AC, and gate-controlled switch also is connected with AC power AC and controlled load respectively.

The signal input unit 11 of remote controlled transmitting circuit 10 has a plurality of control signal load button S1～Sn, the input of S1～Sn also connects after current-limiting resistance R1 is connected to the positive pole of DC power supply DC, its output is connected with the ic chip of scrambled device 12, and respectively has a branch road to be connected with capacitor C 1 with ic chip T through diode VD1～VD4 respectively; The negative pole of capacitor C 1 another termination direct current DC, described scrambled device 12 is made up of ic chip and the resistance R 2 on the two-port OSC that is attempted by IC, described high frequency modulated transmitter unit 13 is made up of triode V, resistance R 3, high frequency retardation coil L1, antenna L2, capacitor C 2～C4, wherein, triode V is connected with ic chip through resistance R 3, and links to each other with high frequency retardation coil L1 and antenna L2 through capacitor C 2～C4.

The high-frequency signal receiving demodulation device 21 of receiving circuit 20 is superregenerative formula high frequency receiving circuit, form by triode V1, inductance L 3, L4, resistance R 4, R5, R18, R19, R20, capacitor C 5, C6, C12, C13, C14, C15, diode VD1, wherein, the base stage of triode V1, collector and emitter are connected with diode VD1, inductance L 3 and inductance L 4 respectively; Amplifying shaping unit 22 is made up of ic chip 1, resistance R 6～R10, capacitor C 7, C8, C9, diode VD2, wherein, be provided with not gate D10, D20, D30, D40, D50 in the ic chip 1, the input of ic chip 1 is connected with high-frequency signal receiving demodulation device 21, be serially connected with diode VD2 between not gate D40, the D50, and not gate D50 is connected with encryption decoder 23; Encrypt decoder 23 and be made up of ic chip 2 and the resistance R 11 on the two OSC interfaces that are attempted by ic chip 2, its data wire D0～D3 of four is connected with four input ports of triggering roll-over units 24 respectively; Triggering roll-over unit 24 is the double D trigger integrated package, and one of them its input of d type flip flop IC3 is connected with ic chip 2 through resistance R 13, and its each d type flip flop is connected into the triggering reverse circuit; Manual control signal input unit 27 is formed by the button S serial connection of current-limiting resistance R12 and input manual control signal; Output indicating member 26 is formed by current-limiting resistance R14, charactron or luminous tube VD3 serial connection, and is connected with AC power AC with triggering roll-over unit 24; AC power AC is made up of resistance R 16, R17, capacitor C 11, C12, voltage stabilizing didoe VD4, capacitor C 11, diode VD4, VD6 are connected between the two poles, connect with diode VD6 in capacitor C 12, resistance R 17 backs in parallel, be connected to again on the AC power AC, be connected in after resistance R 16, the diode VP5 series connection between the contact of the negative pole of DC power supply DC and diode VD6, capacitor C 12.

During circuit working, press control signal load button S1～S4 in the signal input unit 11 of remote controlled transmitting circuit 10 (any one among or the S1～Sn), corresponding data line just has the signal input, VCC obtains electricity work simultaneously, signal is then encoded through the address code that pulse frequency and A0～A7 of R2 setting set, and is exported by V0 then.Address wire A0～A7 of the IC of scrambled device 12, encryption decoder 23 has 6561 (3 when being ternary (promptly positive and negative, unsettled) ⁸) plant, when being set at the 4th attitude, A0 has 16384 (4 ⁷) plant address pin, so the utility model can provide the remote signal of the high frequency radio wave with nearly 20,000 kinds of address pins, this radio signal energy penetrate thing (except the metal), reception and transmission range can reach 100 meters.IC2 in the receiving circuit 20 has the data wire D0～D3 of a plurality of passages (this example is four passages); Switch of a control signal control of each passage output, four switches of this routine system may command are four-way, and each control signal load button S or S1～S4 can both independently control the connecting and disconnecting of its respective channel.

Good effect of the present utility model is, it is a kind of contactless radio remote switch, can launch the high frequency radio wave remote signal of energy penetrate thing with nearly 20,000 kinds of address pins, reception and transmission range can reach 100 meters, and avoided adjacent switch and extraneous interference, compare with infra-red remote control, have higher reliability and interference resistance, can reach farther remote control distance, can pass nonmetallic barrier and unlikely other electrical equipment is produced disturbed, also avoided the disaster hidden-trouble of contact switch.

Description of drawings

Fig. 1 is the utility model structured flowchart, and wherein Figure 1A is the remote controlled transmitting circuit block diagram, and Figure 1B is the receiving circuit block diagram.

Fig. 2 is the utility model remote controlled transmitting circuit schematic diagram.

Fig. 3 is the utility model receiving circuit schematic diagram.

Embodiment

Radio digital remote control multiple-channel electronic switches of the present utility model comprises remote controlled transmitting circuit 10 and receiving circuit 20, shown in Figure 1A, remote controlled transmitting circuit 10 is formed, and is connected with power supply 14 by control signal input unit 11, scrambled device 12, high frequency modulated transmitter unit 13 serial connections.The remote controlled transmitting circuit structure as shown in Figure 2, wherein, signal input unit 11 has a plurality of control signal load button S1～Sn, the input of S1～Sn and connect after be connected to the positive pole of DC power supply DC through current-limiting resistance R1, output connects the data wire D0～D3 of the ic chip in the scrambled device 12 respectively, and respectively have a branch road to be connected with the VCC port of IC through diode VD1～VD4 respectively, filter capacitor C1 is connected between this connecting line and the power cathode.Scrambled device 12 is made up of ic chip and the resistance R 2 that is attempted by on the two-port OSC of IC, and the address wire A0 of IC～A7 is a three-state (promptly positive and negative, unsettled), has 6561 (promptly 3 ⁸) plant, when establishing A0 and being the 4th attitude, have 16384 (promptly 4 ⁷) the kind address pin, TE port ground connection.When any key among S1～S4 is pressed, corresponding data line just has the signal input, simultaneously VCC obtains electricity work, signal then through the pulse frequency that R2 sets encode with the address code that A0～A7 sets (it is one of them of 6561 kinds of address codes that the A0～A7 that sets among the figure is connected with power cathode) export by V0 then.High frequency modulated transmitter unit 13 is made up of triode V, resistance R 3, high frequency retardation coil L1, antenna L2, capacitor C 2, C3, C4, resistance R 3 one ends are connected with the V0 port of ic chip, the other end links to each other with the end of capacitor C 2, C4 and the base stage of triode V, the other end of capacitor C 2 and the positive pole of receiving DC power supply DC after high frequency retardation coil L1 connects, antenna L2, capacitor C 3 and connect after be connected between the collector electrode of the output of high frequency retardation coil L1 and triode V the other end ground connection of the emitter of triode V, capacitor C 4.Signal through R3 send into that the high frequency transmission circuit that is made of triode V, antenna L2, capacitor C 2, C3 etc. is modulated and by antenna L2 to aerial emission.Power supply 14 is dry cell DC that direct voltage is provided to circuit, its minus earth.

Described receiving circuit 20 structures are shown in Figure 1B, it is connected in series mutually by high-frequency signal receiving demodulation device 21, amplification shaping unit 22, encryption decoder 23, triggering roll-over unit 24, gate-controlled switch 25, wherein triggering roll-over unit 24 is connected with output indicating member 26 with manual control signal input unit 27 respectively, receiving circuit 20 is connected with the power supply 28 that links to each other with AC power AC, and gate-controlled switch also is connected with AC power AC and controlled load respectively.The receiving circuit concrete structure as shown in Figure 3, wherein, high-frequency signal receiving demodulation device 21 is superregenerative formula high frequency receiving circuit, by triode V1, inductance L 3, L4, resistance R 4, R5, R18, R19, R20, capacitor C 5, C6, C12, C13, C14, C15, diode VD1 forms, wherein, diode VD1 is connected in series back and capacitor C 15 base loops that insert triode V1 in parallel with resistance R 19, R18 with after capacitor C 12 is connected in series again with resistance R 4 and connect the be connected in series collector electrode of triode V1 of last and inductance L 3, R18 is connected the base stage of triode V1 with the contact of capacitor C 12, capacitor C 14 is attempted by between the emitter and collector of triode V1, capacitor C 5, connect with L4 and insert the emitter circuit of triode V1 in resistance R 20 backs in parallel, capacitor C 6, resistance R 5 is connected back and is inserted between the two poles with resistance R 4, capacitor C 13 is connected to collector electrode and the resistance R 5 of triode V1, the tie point of R4.The radio wave that 21 pairs of remote controllers of receiving demodulation device are sent amplifies demodulation, exports through R5, C7.The working point of V1 is by R18, VD1, R19 decision, and R20, C5 determine its chopper frequency.Amplify shaping unit 22 by ic chip 1, resistance R 6～R10, capacitor C 7, C8, C9, diode VD2 forms, be provided with not gate D10 in the ic chip 1, D20, D30, D40, D50, capacitor C 7, not gate D10, D20, capacitor C 8, not gate D30, D40, diode VD2, not gate D50 connects between the input of the output that inserts high-frequency signal receiving demodulation device 21 and encryption decoder 23 successively, resistance R 7, R6, capacitor C 9, resistance R 10 is NAND gate D10 respectively, D20, D30, the D40 parallel connection, they form shaping amplifier, resistance R 8 is connected to capacitor C 8, between the contact and positive source of C9, resistance R 9 is connected to diode VD2, between the contact and positive source of not gate D50.Signal amplifies through the amplifier that capacitor C 7 is input to the compositions such as not gate D10, D20 of ic chip 1, delivers to the shaping amplification circuit of compositions such as not gate D30, D40, D50 again through capacitor C 8 and does to export after the further amplification.Encrypting decoder 23 is made up of ic chip 2 and the resistance R 11 on the two OSC interfaces that are attempted by ic chip 2, it is the setting of corresponding encoder 12 address codes that the address code interface A0～A7 of ic chip 2 connects with power cathode, the VCC port is connected with positive source, and the data wire D0～D3 of four passages is connected with four input ports of triggering roll-over unit 24 respectively.Triggering roll-over unit 24 is made up of resistance R 13, the CP port that is connected to IC3 and the shunt capacitance C10 of power cathode between the CP port of ic chip 3, the data wire that is serially connected with ic chip 2 and ic chip 3, IC3 is one of them d type flip flop of double D trigger, be connected into the triggering reverse circuit, be that the CP end whenever has pulse input, then the output state of Q end just overturns once, the output state flip that signal holds Q through R13 to the CP end, capacitor C 10 is a shunt capacitance.Signal is by the Vi port input of ic chip 2, the address code that the pulse frequency of setting through resistance R 11 and the address code interface A0-A7 of ic chip 2 set is decoded to signal, this pulse frequency that requires to set in the encoder must consistently just can be correctly decoded with address code, so different address codes is exactly the password of decoder, signal is by data wire D0～D3 output after being correctly decoded, output state is corresponding with the input state of encoder, this example has four tunnel outputs, promptly is four-way.What be connected with the data wire D0～D3 of each passage comprises the identical circuit that triggers roll-over unit 24, manual control signal input unit 27,

output indicating member

26 and 25 4 unit of gate-controlled switch just like next group: manual control signal input unit 27 is formed by the button S serial connection of current-limiting resistance R12 and input manual control signal, be connected to positive source again and trigger between the CP port of ic chip 3 of roll-over unit 24, the input of manual control signal is controlled by S, and resistance R 12 is a current-limiting resistance.Output indicating member 26 is formed by current-limiting resistance R14, charactron or luminous tube VD3 serial connection, and it is connected to positive source and triggers between the Q port of ic chip 3 of roll-over unit 24.The Q of ic chip 3 end output " 1 " is extinguished VD3 or is exported " 0 " and just light indicator cock to be in to be switched on or switched off.Gate-controlled switch 25 is formed by resistance R 15, triode V2, bidirectional triode thyristor VS, load RL serial connection, and they are serially connected between the Q port and AC power AC that triggers roll-over unit 24 ic chips 3 from beginning to end.Resistance R 15 has signal through out-of-date, and triode V2 conducting also makes the trigger end of bidirectional triode thyristor VS obtain trigger voltage and conducting then ends on the contrary, and here, bidirectional triode thyristor VS equally can replace with corresponding relays when wiring was slightly changed.Power supply 28 is made up of resistance R 16, R17, capacitor C 11, C12, diode VD4, VD5, VD6, resistance R 17 is connected with diode VD6 with capacitor C 12 and after connecing again and is inserted in the civil power incoming line, with the electric main step-down rectifier is low-voltage dc power supply, its output after the resistance R 16, diode VD5 current limliting, rectification of serial connection to each element circuit power supply; Capacitor C 11, diode VD4 are connected between out-put supply the two poles of the earth.Resistance R 16 is used for current limliting, and voltage stabilizing didoe VD4, capacitor C 11 are used for voltage regulation filtering, and resistance R 17 is a discharge resistance.

Claims

1, a kind of radio digital remote control multiple-channel electronic switches, comprise remote controlled transmitting circuit (10) and receiving circuit (20), it is characterized in that, remote controlled transmitting circuit (10) is formed, and is connected with power supply (14) by control signal input unit (11), scrambled device (12), high frequency modulated transmitter unit (13) serial connection; Receiving circuit (20) is connected in series mutually by high-frequency signal receiving demodulation device (21), amplification shaping unit (22), encryption decoder (23), triggering roll-over unit (24), gate-controlled switch (25), wherein triggering roll-over unit (24) is connected with output indicating member (26) with manual control signal input unit (27) respectively, receiving circuit (20) is connected with the power supply (28) that links to each other with AC power AC, and gate-controlled switch also is connected with AC power AC and controlled load respectively.

2, radio digital remote control multiple-channel electronic switches according to claim 1, it is characterized in that, the signal input unit (11) of described remote controlled transmitting circuit (10) has a plurality of control signal load button S1～Sn, the input of S1～Sn also connects after current-limiting resistance R1 is connected to the positive pole of DC power supply DC, the ic chip of its output scrambled device (12) connects, and respectively has a branch road to be connected with capacitor C 1 with ic chip through diode VD1～VD4 respectively; Described scrambled device (12) is made up of ic chip and the resistance R 2 on the two-port OSC that is attempted by IC, described high frequency modulated transmitter unit (13) is made up of triode V, resistance R 3, high frequency retardation coil L1, antenna L2, capacitor C 2～C4, wherein, triode V is connected with ic chip through resistance R 3, and links to each other with high frequency retardation coil L1 and antenna L2 through capacitor C 2～C4.

3, radio digital remote control multiple-channel electronic switches according to claim 1, it is characterized in that, the high-frequency signal receiving demodulation device (21) of described receiving circuit (20) is a superregenerative formula high frequency receiving circuit, form by triode V1, inductance L 3, L4, resistance R 4, R5, R18, R19, R20, capacitor C 5, C6, C12, C13, C14, C15, diode VD1, wherein, the base stage of triode V1, collector and emitter are connected with diode VD1, inductance L 3 and inductance L 4 respectively; Amplifying shaping unit (22) is made up of ic chip 1, resistance R 6～R10, capacitor C 7, C8, C9, diode VD2, wherein, be provided with not gate D10, D20, D30, D40, D50 in the ic chip 1, the input of ic chip 1 is connected with high-frequency signal receiving demodulation device (21), be serially connected with diode VD2 between not gate D40, the D50, and not gate D50 is connected with encryption decoder (23); Encrypt decoder (23) and be made up of ic chip 2 and the resistance R 11 on the two OSC interfaces that are attempted by ic chip 2, its four data wire D0～D3 are connected with four input ports of triggering roll-over units (24) respectively; Triggering roll-over unit (24) is one of them d type flip flop IC3 of double D trigger integrated package, and its input is connected with ic chip 2 through resistance R 13, and its each d type flip flop is connected into the triggering reverse circuit; Manual control signal input unit (27) is formed by the button S serial connection of current-limiting resistance R12 and input manual control signal; Output indicating member (26) is formed by current-limiting resistance R14, charactron or luminous tube VD3 serial connection, and is connected with triggering roll-over unit (24); Gate-controlled switch (25) is formed by resistance R 15, triode V2, bidirectional triode thyristor VS, load RL serial connection, and it is connected with AC power AC with triggering roll-over unit (24); AC power AC is made up of resistance R 16, R17, capacitor C 11, C12, voltage stabilizing didoe VD4, capacitor C 11, diode VD4, VD6 are connected between the two poles, connect with diode VD6 in capacitor C 12, resistance R 17 backs in parallel, be connected to again on the AC power AC, be connected in after resistance R 16, the diode VD5 series connection between the contact of the negative pole of DC power supply DC and diode VD6, capacitor C 12.