A kind of infrared ganged switch
Technical field
The utility model relates to circuit control technology field, particularly relates to a kind of infrared ganged switch.
Background technology
At present, the ganged switch in traditional corridor is to realize the duplex function with two T1 Repeated Line Tls, finds that by long-term use link there is following defective in this traditional ganged switch: one, wiring more complicated, waste a large amount of wire rods; Two, operation control is not very flexible, need at first seek out the position of ganged switch, then can carry out start stop operation to it.
Summary of the invention
The technical problems to be solved in the utility model is: by traditional ganged switch is improved, provide a kind of infrared ganged switch with teletransmission control function.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:
A kind of infrared ganged switch is characterized in that: comprising: infrared emission unit, infrared receiver and the relay that is used for the control circuit on off state; Wherein:
Described infrared emission unit comprises: infrared emission driving power module, Signal coding module and infrared transmission module;
Described infrared receiver comprises: infrared reception driving power module, signal decoding module and the infrared receiving module that is complementary with described infrared transmission module.
As preferred version, the utility model has also adopted following technical scheme:
Described infrared emission driving power module comprises: a full bridge rectifier, a filter circuit and a voltage stabilizing circuit; Wherein:
Described filter circuit is composed in parallel by capacitor C 1 and capacitor C 2; Described voltage stabilizing circuit is composed in parallel by voltage-stabiliser tube D5 and voltage-stabiliser tube D6; And described filter circuit and described voltage stabilizing circuit are connected in parallel.
Described Signal coding module comprises: single-chip microcomputer and the crystal oscillating circuit that is electrically connected with described single-chip microcomputer, reset circuit, filter circuit.
Described infrared transmission module comprises: resistance R 4, triode Q1 and photodiode D7; Wherein: resistance R 4 is electrically connected with the base stage of triode Q1, and photodiode D7 is electrically connected with the collector electrode of triode Q1.
Described infrared reception driving power module is identical with described infrared emission driving power module.
Described signal decoding module comprises: single-chip microcomputer and the crystal oscillating circuit that is electrically connected with described single-chip microcomputer, reset circuit, filter circuit.
Described infrared receiving module comprises photodiode D9 and the resistance R 5 that is connected in series.
Advantage and the good effect that the utlity model has are: because the utility model adopts infrared wireless control technology to realize the function of traditional ganged switch, so it has advantage simple to operation; The advantage that has simultaneously the wiring of saving.
Description of drawings
Fig. 1 is the schematic diagram of the function of a kind of infrared ganged switch of the utility model;
Fig. 2 is the partial circuit diagram of a kind of infrared ganged switch of the utility model, is mainly used in showing infrared emission driving power module and is connected the circuit of reception driving power module and connects;
Fig. 3 is the partial circuit diagram of a kind of infrared ganged switch of the utility model, is mainly used in showing that the circuit of infrared emission unit connects;
Fig. 4 is the partial circuit diagram of a kind of infrared ganged switch of the utility model, is mainly used in showing that the circuit of infrared receiver connects.
Embodiment
For further understanding utility model content of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1, a kind of infrared ganged switch comprises: infrared emission unit, infrared receiver and the relay that is used for the control circuit on off state; Wherein:
Infrared emission unit comprises: infrared emission driving power module, Signal coding module and infrared transmission module;
Infrared receiver comprises: infrared reception driving power module, signal decoding module and the infrared receiving module that is complementary with infrared transmission module.
Operation principle of the present utility model is: infrared emission unit sends to infrared receiver by infrared transmission module after command information is encoded, infrared receiver utilizes infrared receiving module to receive command information, then utilize the signal decoding module that the command information that receives is decoded, and control relay is realized the change to the contactor state.
See also Fig. 2, a kind of infrared ganged switch, its driving power module, be that infrared emission driving power module is identical with infrared reception driving power module, it comprises: by diode D1, diode D2, diode D3, diode D4, a full bridge rectifier that forms, a filter circuit and a voltage stabilizing circuit; Wherein:
Filter circuit is composed in parallel by capacitor C 1 and capacitor C 2; Voltage stabilizing circuit is composed in parallel by voltage-stabiliser tube D5 and voltage-stabiliser tube D6; And filter circuit and voltage stabilizing circuit are connected in parallel.
See also Fig. 3, a kind of infrared ganged switch, wherein: the Signal coding module comprises: main control chip is the single-chip microcomputer of AT89CS52 and the crystal oscillating circuit that is electrically connected with single-chip microcomputer, reset circuit, filter circuit; Crystal oscillator Y1 provides the fixed clock frequency of a 11.0592MHZ for single-chip microcomputer; Conventional ceramic capacitor C 7, capacitor C 8 provide starting of oscillation voltage for crystal oscillator Y1, and resistance R 7, capacitor C 9, resistance R 6, normally opened contact S1 have consisted of the reset circuit of single-chip microcomputer;
Infrared transmission module comprises: resistance R 4, triode Q1 and photodiode D7; Wherein: resistance R 4 is electrically connected with the base stage of triode Q1, and photodiode D7 is electrically connected with the collector electrode of triode Q1.
See also Fig. 4, a kind of infrared ganged switch, wherein: the signal decoding module comprises: main control chip is the single-chip microcomputer of AT89CS52 and the crystal oscillating circuit that is electrically connected with single-chip microcomputer, reset circuit, filter circuit; Crystal oscillator Y1 provides the fixed clock frequency of a 11.0592MHZ for single-chip microcomputer; Conventional ceramic capacitor C 7 ', capacitor C 8 ' provide starting of oscillation voltage for crystal oscillator Y1, and resistance R 7 ', capacitor C 9 ', resistance R 6 ', normally opened contact S1 have consisted of the reset circuit of single-chip microcomputer;
Infrared receiving module comprises photodiode D9 and the resistance R 5 that is connected in series.
More than embodiment of the present utility model is had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.