CN2410820Y

CN2410820Y - Infrared telecontrol switch

Info

Publication number: CN2410820Y
Application number: CN 99252656
Authority: CN
Inventors: 潘家瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-26
Filing date: 1999-11-26
Publication date: 2000-12-13
Anticipated expiration: 2009-11-26

Abstract

The utility model relates to a multifunction infrared remote control switch, which comprises an infrared remote control emitter and an infrared remote control receiver which uses a manual switch as a control circuit. An emitter circuit is mainly composed of a plurality of AN digital push buttons, an encoding integrated circuit IC4, an amplifying and shaping circuit for transistors (T5, T6), an infrared emission modulating circuit, and a battery which are connected together. A receiver circuit is mainly composed of a receiving integrated circuit IC1, a decoding circuit IC2, a manual trigger circuit, a bistable trigger circuit IC3, an on-off state switching circuit, and a resistance-capacitance voltage dropping power circuit. The utility model is characterized in that the manual trigger circuit is triggered by manual switches (AN1, AN2) to drive the transistors (T2, T3) to make a relay J work. The utility model has the functions of remote control and manual operation, the manual switch uses low current to control high current, and the emitter is chargeable. The utility model has the advantages of small volume, portability, reasonable structure, stable performance, wide range of adaptable voltage, low cost, etc.

Description

Multifunctional infrared remote control switch

The utility model relates to a kind of remote power controller, is the infrared telecontrol switch of household electrical appliance power supply.

Infrared telecontrol switch of the prior art: 1, have adopt transformer transformation step-down method, this method to exist to be suitable for voltage range little, shortcoming such as easily heating and power consumption be big.2, some control circuit adopts controllable silicon to make switching device, and this control circuit not only can change original mains voltage waveform, easily burn, and can influence the entire circuit unsteadiness.General in addition remote control switch all is not provided with manual control, even manual control is arranged, also be to adopt the level switch in parallel in back as the hand switch mode with relay, just adopt the control of 220V AC power hand switch, adopt this mode if when adopting general normal manual button, must cause that the infrared remote receiver volume is big, cost is high, if adopt miniature touching button switch, exist easy damage again, use the shortcoming such as long of receiving a mandate.

The purpose of this utility model is for overcoming the shortcoming of prior art, and provides that a kind of hand switch control circuit, volume with the big electric current of little Current Control is little, cost is low, is suitable for the multifunctional infrared remote control switch of the wide and stable performance of voltage range.

The multifunctional infrared remote control switch that the utility model proposes, it comprises that an infrared remote-control emitter and an infrared remote control receive---the receiver of hand switch control circuit; The remote control transmitter circuit mainly connects button AN, digital integrated circuit (IC) by multi-path digital ₄, triode (T ₅, T ₆) shaping amplification circuit, infrared emission modulation circuit D ₁₉, battery and peripheral capacitance resistance component form; Acceptor circuit is mainly by receiving integrate circuit IC ₁, decoding circuit IC ₂, manual triggers circuit, bistable trigger-action circuit IC ₃, switch state circuit and resistance-capacitance depressurization power circuit form; It is characterized in that the manual triggers circuit adopts miniature touching button AN ₁, AN ₂Remove really to send out IC ₃, again by the true Power Generation Road IC of bistable state ₃Drive triode (T ₂, T ₃) make relay J work, and carry out on off state, thus reach the purpose of the big electric current of DC low current control load.

For the volume that dwindles reflector (as hanging on the key chain) easy to carry and use, the utility model also is provided with battery charger on reflector, and it is mainly by rechargeable battery triode T ₇, light-emitting diode D ₂₀And resistance R ₂₁, R ₂₂, R ₂₃Form.

The multifunctional infrared remote control switch of the utility model not only has remote control and manual two kinds of kinetic energy, and hand switch adopts the big electric current of little Current Control, so the receiver hand switch can adopt miniature touching button switch, so the little cost of volume is low; Reflector is chargeable, and volume is little easy to carry and use; The utility model also has rational in infrastructure, stable performance in addition, antijamming capability is strong, is suitable for advantages such as the wide and scope of application of voltage range is wide.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the circuit theory diagrams of the rechargeable reflector of the multifunctional infrared remote control switch of the utility model.

Fig. 2 is the circuit theory diagrams of the infrared remote receiver of the multifunctional infrared remote control switch of the utility model.

Present embodiment is rechargeable reflector as shown in Figure 1, and it comprises radiating circuit and charging circuit, and the remote control transmitter circuit mainly contains a plurality of digital button AN, the integrated IC circuit of digital coding ₄, triode (T ₅, T ₆) amplification and rectification circuit, infrared emission modulation circuit D ₁₉, battery and peripheral capacitance resistance component form, its circuit connecting relation is: the integrated IC circuit of digital coding ₄(4) P-(9) P and (10) P between the button AN that inserts in parallel ₃-AN ₈, IC ₄Output (15) P through resistance R ₁₉With triode T ₅Ground level connect triode T ₅Collector electrode and triode T ₆Base stage connect T ₆Emitter and modulate emission pipe D ₁₉Positive pole connect T ₅Emitter, T ₆Collector electrode, IC ₄(16) P and filter capacitor C ₁₁All be attempted by the positive pole of battery; Battery charger, it is mainly by rechargeable battery, triode T ₇, light-emitting diode D ₂₀And resistance R ₂₁, R ₂₂And R ₂₃Form; Its triode T ₇Emitter connects positive source, T ₇Collector electrode sending and receiving light pipe D ₂₀Positive pole, D ₂₀Negative pole connect the rechargeable battery positive pole; Biasing resistor R wherein ₂₁Positive pole, another termination triode T of a termination rechargeable battery ₇Base stage; Resistance R ₂₂, R ₂₃One end connects negative pole, the positive pole of power supply respectively, and the other end is same and receive triode T ₇Base stage, form biasing circuit up and down.

As shown in Figure 2, acceptor circuit is mainly by receiving integrate circuit IC ₁, decoding circuit IC ₂, manual triggers circuit, bistable trigger-action circuit IC ₃, switch state circuit and resistance-capacitance depressurization power circuit form; Its annexation is: receiving integrate circuit IC ₁Output OUT receive triode T ₁Base stage, triode T ₁Collector electrode and decoding circuit IC ₂Input (2) P connect IC ₂Several outputs and bistable trigger-action circuit IC ₃Trigger end (3) P, (11) P connect IC ₃Output (1) P, (13) P respectively with triode T ₂, T ₃Base stage connect, at last by T ₂Or T ₃Drive relay J work and carry out on off state; The resistance-capacitance depressurization power circuit is: the 220V power supply is earlier through capacitor C ₁₀, resistance R ₁₈Be connected to bridge rectifier diode D after the step-down ₁₄-D ₁₇Rectification, after the rectification by D ₁₄-D ₁₇Output through capacitor C ₉Divide two-way output after the filtering, one tunnel difference footpath R ₁₃, R ₁₄Current limliting is given triode T respectively ₂, T ₃The work of driving relay J; Another path R ₁₅Connect triode T after the current limliting ₄Collector electrode is again by T ₄Emitter output 5V power supply supply with IC ₁, IC ₂, IC ₃Deng circuit working, T ₄Base stage and the negative pole of power supply between meet voltage stabilizing didoe D ₁₂The manual triggers circuit adopts hand push button AN ₁, AN ₂An end be connected respectively to IC ₃Trigger end (3) P, (11) P, its other end receive power supply current-limiting resistance R ₆Connecting circuit.

As shown in Figure 1, the circuit theory of this rechargeable reflector is: when pressing numerical key AN ₃-AN ₈The time just can make IC ₄Clock internal T1 and K ' ₁-K ' ₆Between form different bar codes, bar code is modulated at 38KHZ and goes up by IC ₄(15) P output, through triode (T ₅, T ₆) amplify shaping and be modulated at infrared transmitter D ₁₉On launch the interlock circuit of controlling receiver.The integrated IC circuit of digital coding in the present embodiment ₄The model that adopts is IC ₄BL ₉₁₄₈Be 18 road codings, general 6 the tunnel is just enough when practical application.Therefore present embodiment is got K ' ₁-K ' ₆With T ₁Between use AN ₃-AN ₆As long as 6 digital operating keys increase at K ' as need ₁-K ' ₆With T ₂Or T ₃Between increase digital control key and get final product.The present embodiment reflector also is provided with battery charger, and the 6V direct current is by triode T ₇E utmost point input, through diode D ₂₀To the rechargeable battery charging, during charging, diode D ₂₀Shinny, when electricity is full of, T ₇The b electrode potential raise T ₇End D ₂₀Not shinny, rechargeable battery adopts Ni-Cd nickel-cadmium usually.

As shown in Figure 2, this acceptor circuit principle is: work as IC ₁Receive the barcode signal of being modulated by 38KHZ that reflector sends, signal is delivered to T after demodulation ₁Amplify shaping input IC ₂(2) P, through IC ₂Decoding output wants control signal to remove to trigger flip and flop generator IC accordingly ₃CP ₁, CP ₂, again by IC ₃(1) P, (13) P outputting drive voltage control T ₂Or T ₃, and by T ₂Or T ₃Drive relay J work, carry out on off state.IC in the present embodiment ₁Model is TFM ₅₅₆₀, IC ₂Be BL ₉₁₄₉, IC ₃Be CD ₄₀₁₃Manual triggers circuit in the utility model adopts miniature touching button AN ₁, AN ₂Carry out on off state as the work of manual little current start relay J.As contact button AN ₁Or AN ₂The time, supply voltage is through R ₆The step-down current limliting is made direct current signal and is started flip and flop generator IC ₃(3) P or (11) P, press button AN each time ₁Or AN ₂All make IC ₃Bistable state upset once, drive triode T then ₂Or T ₃Make the relay J action carry out the purpose of switch electrical appliance, work is consistent during with remote control.Here capacitor C ₇, C ₈Not only play cushioning effect, can eliminate clutter again, voltage was normal when relay J had just been started, and relay J maintains work under the little electric current after the work, to reduce the complete machine power consumption.

Claims

1, a kind of multifunctional infrared remote control switch it comprise that an infrared remote-control emitter and infrared remote control receive---the receiver of hand switch control circuit is characterized in that:

A, remote control transmitter circuit mainly contain a plurality of digital button AN, the integrated IC circuit of digital coding ₄, triode (T ₅, T ₆) amplification and rectification circuit, infrared emission modulation circuit D ₁₉, battery and peripheral capacitance resistance component form, its circuit connecting relation is: the integrated IC circuit of digital coding ₄(4) P-(9) P and (10) P between the button AN that inserts in parallel ₃-AN ₈, IC ₄Output (15) P through resistance R ₁₉With triode T ₅Ground level connect triode T ₅Collector electrode and triode T ₆Base stage connect T ₆Emitter and modulate emission pipe D ₁₉Positive pole connect T ₅Emitter, T ₆Collector electrode, IC ₄(16) P and filter capacitor C ₁₁All be attempted by the positive pole of battery;

B, acceptor circuit are mainly by receiving integrate circuit IC ₁, decoding circuit IC ₂, manual triggers circuit, bistable trigger-action circuit IC ₃, switch state circuit and resistance-capacitance depressurization power circuit form; Its circuit connecting relation is: receiving integrate circuit IC ₁Output OUT receive triode T ₁Base stage, triode T ₁Collector electrode and decoding circuit IC ₂Input (2) P connect IC ₂Several outputs and bistable trigger-action circuit IC ₃Trigger end (3) P, (11) P connect IC ₃Output (1) P, (13) P respectively with triode T ₂, T ₃Base stage connect, at last by T ₂Or T ₃Drive relay J work and carry out on off state; The resistance-capacitance depressurization power circuit is: the 220V power supply is earlier through capacitor C ₁₀, resistance R ₁₈Be connected to bridge rectifier diode D after the step-down ₁₄-D ₁₇Rectification, after the rectification by D ₁₄-D ₁₇Output through capacitor C ₉Divide two-way output after the filtering, one tunnel difference footpath R ₁₃, R ₁₄Current limliting is given triode T respectively ₂, T ₃The work of driving relay J; Another path R ₁₆Connect triode T after the current limliting ₄Collector electrode is again by T ₄Emitter output 5V power supply supply with IC ₁, IC ₂, IC ₃Deng circuit working, T ₄Base stage and the negative pole of power supply between meet voltage stabilizing didoe D ₁₂The manual triggers circuit adopts hand push button AN ₁, AN ₂An end be connected respectively to IC ₃Trigger end (3) P, (11) P, its other end receive power supply current-limiting resistance R ₆Connecting circuit.

2, a kind of multifunctional infrared remote control switch according to claim 1 is characterized in that also being provided with battery charger on the remote control transmitter circuit, and it is mainly by rechargeable battery, triode T ₇, light-emitting diode D ₂₀And resistance R ₂₁, R ₂₂And R ₂₃Form; Its triode T ₇Emitter connects positive source, T ₇Collector electrode sending and receiving light pipe D ₂₀Positive pole, D ₂₀Negative pole connect the rechargeable battery positive pole; Biasing resistor R wherein ₂₁Positive pole, another termination triode T of a termination rechargeable battery ₇Base stage; Resistance R ₂₂, R ₂₃One end connects negative pole, the positive pole of power supply respectively, and the other end is same and receive triode T ₇Base stage, form biasing circuit up and down.

3, a kind of multifunctional infrared remote control switch according to claim 2, its feature mainly adopts the miniature rechargeable battery of NI-G in rechargeable battery.