CN2353095Y - Infrared remote control arrangement used for speed-adjusting, light-adjusting and switching - Google Patents

Abstract

The utility model belongs to an infrared remote controller, which is mainly composed of an infrared coded transmitter of multiple circuits, an infrared receiving signal processor and a switch circuit. Every transmitter pressure regulating unit and every switch button form one group. Two decoder output ports corresponding to a receiver are formed as one group to output. After a counter carries out addition and subtraction, the corresponding electric voltage signals can be converted via a digital-analog converter, magnified via a triode and at last connected with a wireless pressure regulating unit as well as a switching circuit thyristor. The utility model has the advantages of good reliability and strong practicability.

Description

Infrared remote control speed governing dimmer switch controller

The utility model belongs to the infrared remote control controller, mainly proposes a kind of infrared remote control speed governing dimmer switch controller.

Commercially available appliance switch mostly is manual type at present, though some appliance switch has adopted remote control mode,, wireless remotecontrol ultrasonic etc. as the Asia, all do not meet actual needs, the infrared remote control switch that has proposed exists reliability lower in the circuit design, the defective that practicality is not strong, its function is also comparatively simple, only for the closed circuit control of open circuit does not possess the speed governing dimming function, brings inconvenience to user's use.

The purpose of this utility model promptly is to make its structural design to have good reliability and practical characteristics, thereby overcomes the problem that existing remote control switch exists.

The utility model is finished the technical scheme that its invention task takes: it includes multichannel infrared coding emitter, infrared reception and signal processor, counter, digital to analog conversion and regulating circuit etc.; The stepless reflector of multichannel infrared coding mainly is equipped with peripheral cell by special-purpose infrared coding emission integrated package LC2190 to be formed, and infrared reception and signal processor are made up of integrated package CX20106A and special-purpose integrated package LC2200 and part peripheral cell; Counter, digital to analog conversion and interface circuit are made up of IC4, IC5, IC6, IC7 integrated circuit and a small amount of peripheral cell, wherein IC4 is the pulse signal generator that NE555 forms, the counter that IC5 is made up of LC40161XZ, digital to analog converter IC6 is made up of integrated package 5G7520, and IC7 is operational amplifier 5G28; Stepless voltage regulation and switching circuit are finished by the multichannel bidirectional thyristor, pressure regulation (speed governing) thyristor ST42 one termination live wire L, the other end is by load M earth connection N, thyristor ST41 one termination live wire L, the other end is by load RL earth connection N, and its trigger electrode directly connects decoder IC3 (LC2200) corresponding output end mouth.

Thyristor ST41 is arranged in parallel hand switch K41.

Setting is connected in the base stage of triode T41 by the manual voltage regulation circuit that hand switch K42 and adjustable resistance R43 constitute.

Multifunction multipath infrared remote control switch, the circuit design that the utility model proposes are comparatively scientific and reasonable, reliability is better, and its output control multichannel apparatus work also has the speed governing dimming function, and practicality is stronger, overcome some problems that existing Infrared remote controller exists, provided users with the convenient.

Embodiment:

Accompanying drawing 1 is the utility model circuit electrical schematic diagram.

In conjunction with electrical schematic diagram its structure is further specified:

The utility model controller includes multichannel infrared coding emitter, infrared reception and signal processor, switching circuit; Wherein, the control button of infrared coding emitter is corresponding one by one with the output port of the decoder of infrared reception and signal processor, and directly is connected on the switching circuit; The pressure regulation of infrared coding emitter, per two of shift knob are one group, corresponding to the decoder output mouth of infrared reception and signal processor also two be one group of output, after giving plus coujnt, subtraction counting by counter IC5 according to the pulse signal of IC4 pulse signal generator, is the correspondent voltage signal by the IC6 digital to analog converter with binary digital translation, connect the base stage that is applied to triode T41 and amplify, be connected the trigger electrode of the thyristor ST42 of stepless voltage regulation, switching circuit again.

The multichannel infrared coding emitter mainly is equipped with peripheral cell by special-purpose infrared coding emission integrated circuit block LC2190 and forms.Wherein K11～K1n is the remote control command firing button, and control produces different coded pulse signals respectively, and 2 pin also meet C11R12 even, so that the coded pulse frequency modulation(FM) is about 38KHz; 3 pin connect C12 to produce a suitable inter-train pause; 4,6,7 pin ground connection; 5 pin are by the light-emitting diode D12 ground connection of connecting with R13, when any pulse signal of emission, and the luminous expression working signal of D12, R13 is a current-limiting resistance, because LC2190 integrated circuit quiescent current is less than 5 μ A, so do not need to establish in addition mains switch.1 pin is a signal output part, is added in by R11 on the base stage of triode T11 to amplify, and control infrared-emitting diode D11 sends the infra-red carrier pulse.C13 is a power filter electrical equipment, also can steady operation when making battery outmoded.This reflector transmitting range is greater than 10 meters, when good, can go up controlling receiver speed governing, light modulation in any direction as the indoor wall reflectivity over against receiver.

Infrared reception and signal processor are made up of the integrated package CX20106A of highly versatile, function-stable and special-purpose integrated package LC2200 and part peripheral cell.The former major function be to infrared encoded signal change, amplification and demodulation, the latter mainly is decoding output, to drive late-class circuit work.The external infrared receiving diode D21 of 1 pin of IC2, it changes infrared signal into the signal of telecommunication, finishes the amplification to signal in IC2 inside.After passing through amplitude limit, bandpass filtering, peak detection and waveform integer again, export at 7 pin.R21, C21 series network are connected on 2 pin, are used for determining the gain of preamplifier, and when R21 reduced, gain was risen; C22 is the detection capacitor; It when electric capacity is big the mean value detection; Electric capacity hour is peak detection, but the pulse width variation of detection output is bigger, easily causes the remote control misoperation.To take all factors into consideration sensitivity and reliability during selection; 5 pin connecting resistance R22 are filter.When its value was 220K, filter center frequency f 0=38KHz was identical with the carrier frequency of reflector 1 emission to guarantee.C23 is an integrating condenser, the power of the outside wave interference of making an uproar of its decision, and capacity should not be too big.8 pin connect positive pole, and 7 pin are signal output, and the R23 that the indirect resistance of this pin and positive source is 20KQ remains on about 0.2V when making its output low level.Integrated package LC2200 is special-purpose integrated package.Its major function is that the code signal that IC2 sends here is deciphered output.A1 is the corresponding output of decoded signal to An.The effect of peripheral cell is: C24 is a power filtering capacitor, and C25 is as its oscillating capacitance.This circuit adopts self-locking mode, the mode of promptly overturning.Click the corresponding button of reflector, be output as high level, click same button again, be output as low level, all output levels do not influence each other normal with each road electrical work of assurance institute remote control.

Counter, digital to analog conversion and interface circuit are made up of IC4, IC5, IC6, IC7 integrated circuit and a small amount of peripheral cell, and wherein IC4 is the pulse signal generator that NE555 forms.In pulse generator IC4,4,8 pin connect positive supply, and 1 pin is a common end grounding; 7 pin are discharge end; 2,6 pin are for relatively holding; Peripheral cell R31, R32, C31 form oscillating circuit; Regulate this several elements, can change the cycle of oscillating impulse, this cycle is exactly the counting rate of calculator IC5.The speed governing light adjusting circuit that connects after corresponding different counting rates, the correspondence just has different rate of changes.3 pin of IC4 are connected on the CP end of IC5, the counter that IC5 is made up of LC40161 * 2, and it can carry out binary plus coujnt, also can carry out binary subtraction counting, and C1, C2 are subjected to A1, the A2 of decoder IC3 to hold control respectively for the counting Enable Pin.When A1 is high level, the beginning plus coujnt, when A1 became low level, counting stopped.When A2 is high level, beginning subtraction counting, when A2 became low level, counting stopped.CP is the input of count pulse, and GND is the reference potential end.VDD is anodal, Q0 ... Qn is the output of IC5, passes through R35 ... R36 is sent to the next stage circuit, i.e. digital to analog converter IC6, and digital to analog converter IC6 is made up of integrated package 5G7520.By the T network and the simulant electronic switch of its inside, the binary number that counter IC5 is sent here becomes correspondent voltage output according to the size conversion of counting.The several d0 that send here when counter ... when dn was big, the voltage of changing out was just high, otherwise voltage is just low.This voltage signal is sent to the inverting input of operational amplifier IC7 (5G28), on the base stage of the triode T41 of output voltage through being added in stepless voltage regulation and switching circuit after R37, the R38 dividing potential drop, amplifies, and finishes stepless voltage regulation.

The stepless voltage regulation of stepless voltage regulation and switching circuit and switching circuit are served as by the multichannel bidirectional thyristor.ST41, ST42 are bidirectional thyristor, and Bing Lian R41, C41 and R42, C42 are that the capacitance-resistance absorption circuit is avoided damaging with the protection thyristor with it.ST42 is pressure regulation (speed governing) thyristor, and its a termination live wire L, the other end are by load M earth connection N, and the collector electrode of transistor T 41 (9013) directly links to each other with the trigger electrode of thyristor ST42.The collector current that changes transistor T 41 just can change the angle of flow of ST42, and the angle of flow is big more, and the rotating speed of load M (motor) is just big with regard to the brightness of height or electric light.And the size of the angle of flow be subjected to digital to analog converter output voltage signal control promptly by the variation decision of A1, A2 level, so, just realized the purpose of speed/light remote adjusting as long as press pressure regulation, shift knob on the remote control transmitter 1.In addition, this circuit is provided with an adjustable resistance R43 again, and it and K switch 42 are connected on the dc power anode.Damage or loss situation when running into reflector, just can utilize the closure of hand switch K42 and the adjusting of R43, realize stepless speed regulation (light modulation); ST41 is the contactless alternating-current switch in another road that is made of thyristor, its termination live wire L, the other end is by load RL earth connection N, its trigger electrode directly connects the corresponding output end mouth of decoder IC3, when reflector was pressed a certain button and made An be high level, thyristor ST41 is conducting fully just, otherwise, ST41 ends, thereby realizes the connecting and disconnecting of general load RL.The circuit of ST41 parallel connection also has hand switch K41 except that R41, C41, its effect is the same with above-mentioned K42, is under case of emergency, finishes the effect of manual connecting and disconnecting RL.

In the low power consumption power supply circuit, FU is the short-circuit protection fusible link.C51 is an AC capacitor, plays the step-down effect, and it and R51, D51, D52 form decompression rectifier filter circuit.D53 is a voltage stabilizing didoe, and C53 is that electrolytic capacitor is formed voltage stabilizing circuit jointly.Be added in through the voltage after the voltage stabilizing and obtain stable 9V direct current on the IC8 and export, for the complete machine DC power supply by VDD.Ic chip 8 three terminal regulators 7809 1 pin be input, 3 pin are output, 2 pin are reference point.R51 resistance is bigger, is the discharge loop of decompression capacitor C51.Because during this machine operate as normal, operating current only is tens of microamperes, power consumption is very little, so abandoned traditional transformer step-down rectifying circuit, big because of volume of transformer, price is high, and self-heating, and the capacitance decompression volume is little, price is low, and be the inert element, do not consume any energy, efficient is greatly improved.

Claims (3)

1, a kind of infrared remote control speed governing dimmer switch controller, it includes multichannel infrared coding emitter, infrared reception and signal processor, counter, digital to analog conversion and regulating circuit etc.; It is characterized in that: the stepless reflector of multichannel infrared coding mainly is equipped with peripheral cell by special-purpose infrared coding emission integrated package LC2190 to be formed, and infrared reception and signal processor are made up of integrated package CX20106A and special-purpose integrated package LC2200 and part peripheral cell; Counter, digital to analog conversion and interface circuit are made up of IC4, IC5, IC6, IC7 integrated circuit and a small amount of peripheral cell, wherein IC4 is the pulse signal generator that NE555 forms, the counter that IC5 is made up of LC40161XZ, digital to analog converter IC6 is made up of integrated package 5G7520, and IC7 is operational amplifier 5G28; Stepless voltage regulation and switching circuit are finished by the multichannel bidirectional thyristor, pressure regulation (speed governing) thyristor ST42 one termination live wire L, the other end is by load M earth connection N, thyristor ST41 one termination live wire L, the other end is by load RL earth connection N, and its trigger electrode directly connects decoder IC3 (LC2200) corresponding output end mouth.

2, infrared remote control speed governing dimmer switch controller according to claim 1 is characterized in that thyristor ST41 is arranged in parallel hand switch K41.

3, infrared remote control speed governing dimmer switch controller according to claim 1 is characterized in that the manual voltage regulation circuit that is made of hand switch K42 and adjustable resistance R43 is set, and is connected in the base stage of triode T41.

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