CN2257056Y

CN2257056Y - Infrared remote-controller

Info

Publication number: CN2257056Y
Application number: CN 96201900
Authority: CN
Inventors: 李永福
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-01-12
Filing date: 1996-01-12
Publication date: 1997-06-25
Anticipated expiration: 2006-01-12

Abstract

The utility model relates to an infrared remote-controller which can remotely control a power switch and current intensity. The utility model is composed of an infrared transmitter and an infrared receiver. The infrared transmitter can transmit infrared pulse signals. Each group of pulses comprises two series impulses. The infrared receiver bit-by-bit compares pulse signals received by a receiving head, and the infrared receiver transmits the pulse signals after consents. Thus a trigger is triggered to generate high level or low level, and the high level or the low level is transmitted and amplified through an amplifying circuit to push a relay to attract or loosen. The control of a power supply is realized. A single pulse is transmitted when a single transmitting key is pressed, which can control the power switch. A successive pulse is transmitted when a successive transmitting key is pressed, which not only can control the power switch, but also can realize the control of the current intensity of a power supply.

Description

Infrared remote controller

The utility model relates to a kind of infrared remote control power switch device, and this device not only can the remote control unlatching, powered-down, and can regulate strength of current.

General Infrared remote controller has only 6 road or 8 tunnel outputs at present, and transmitter is launched one group of infrared pulse signal, and this group infrared pulse signal that receiver will receive compares, confirm the back output pulse signal, starting relay work realizes unlatching, powered-down, disturb easily, produce malfunction; General Infrared remote controller receives head to be made up of infrared receiving diode, CX20106 integrated circuit and RC oscillatory circuit in parallel, and receiving range is closer, only reaches 8-10 rice, and shielding properties is poor, is subjected to ectocine easily; Simultaneously, general Infrared remote controller can only can not be regulated intensity as power switch control, and the circuit complexity, and peripheral component is many, poor stability.

The purpose of this utility model provides that a kind of output channel is many, remote control distance is far away, circuit is simple, the Infrared remote controller of stable performance, and 10 road or 18 tunnel outputs can be arranged.Because adopt infrared integrated reception head, receiving range is far away, can reach 30 meters, receiving angle is also than broad; Every group pulse of the transmitter emission of this utility model contains in the two string arteries and veins, and receiver compares the pulse that receives by turn, confirms that the back produces pulse output, triggers flip-flop operation, by amplifying the work of latch cicuit trigger relay, realizes the control to power supply again; Transmitter of the present utility model not only can be launched single pulse, and can launch continuous impulse, receiver is confirmed back output continuous impulse with the continuous impulse that receives, this continuous impulse acts on light adjusting circuit, can realize power strength is regulated, circuit of the present utility model is simple, peripheral cell is few, and performance is more stable.

The purpose of this utility model is achieved in that Infrared remote controller divides transmitter and receiver two parts, in transmitter, 1 pin ground connection of emission integrated circuit (IC) 1, the 16th pin connects positive source, 2 pin, 3 pin connect vibration end, the external oscillatory circuit of forming by ceramic filter and capacitor C 1, C2, and the characteristics of this oscillatory circuit are only just to produce vibration when actuation of keys, 4-9 pin (K1-K6) is the button input end, and 10,11,12 tripods are the sequential output terminal.T1, T2 are connected to 13 pin (C end) with diode D1, D2 respectively, and T1, T2 and K1-K5 form 2 * 5 key matrixes again, Here it is 10 road infrared remote-control emitters, if T1, T2, T3 form 3 * 6 matrixes with K1-K6 respectively, and Here it is 18 road infrared remote-control emitters.The key that is connected with T2 in the button is continuous transponder pulse signal key, and all the other are single pulse signal keys.The single emission key is by once only exporting a set of pulses, if simultaneously by two above keys, this operation can be effectively exempted in circuit queuing sequentially automatically.Continuously emission key then continuous retransmission penetrate a set of pulses, can with every key combination, no position and chronological order relation, each key operation is independent and arbitrarily, therefore, can obtain multi-way control signals simultaneously at receiving circuit correspondence output terminal.Coding signal transmitted is by the output of 15 pin OUT end, and output signal is the modulated one group pulse train that (containing two strings), dutycycle was different, and output signal is launched by LED P H after amplifying.Receive head and adopt the infrared remote control integrated circuit to receive an IC2, it is integrated into CX20106, infrared receiving diode and RC parallel oscillatory circuit together, only need an end ground connection, and a termination power positive pole, signal output part meets receiving circuit IN and gets final product.Receiver is mainly formed by receiving ic chip 3.The vdd terminal positive pole of connecting wires, GND holds ground connection, the IN end with receive an output terminal and be connected, C2, C3 end is user's testing circuit, can differentiate the pulse signal that different keys send, and is to realize the removing of starting shooting, C2, C3 free end external capacitor arrive ground.IC3 OUT end is pulse signal output end.Because the IC3 output signal is a pulse signal, external trigger IC4 and latch cicuit to realize remote control control to power switch.Wherein the model of IC1 is 9148, and the model of IC2 is CX20106, and the model of IC3 is 9150, and IC4 is a trigger, and its model can be 74104.

Because adopt such scheme, the utility model antijamming capability is strong, remote control distance is far away, and stable performance is simple in structure.

Below in conjunction with drawings and Examples the utility model is further specified:

Fig. 1 is the transmitter circuit schematic diagram of 10 tunnel Infrared remote controller.

Fig. 2 is 10 tunnel Infrared remote controller acceptor circuit schematic diagrams.

IC integrated circuit, R resistance, T triode, C electric capacity, D diode, PH infrarede emitting diode, J relay, L electrical appliance electric light, KBR ceramic filter among the figure.

Fig. 1, embodiment illustrated in fig. 2 in, the continuous button of K1 and T1 is by last among Fig. 1, integrated circuit K1 and T1 connect, containing the distinctive coded signal of this button is exported by OUT, this is one group of modulated different pulse train of dutycycle that 12 codings are arranged, every group pulse contains two series impulses, and this group pulse is amplified through the RT amplifying circuit, sends with the form of infrared light by PH.This moment, PH was once bright, and among Fig. 2, infrared receiving terminal IC2 receives the infrared pulse signal of transmitter emission, and this group pulse conversion of signals become the distinctive information of this group pulse, by IN end pass to C2, C3 user code testing circuit compares by turn, discriminating is the signal which key sends, the approval back is by corresponding output terminal OUT end output pulse signal, this pulse signal triggers, latchs through the IC4 trigger, produce high level, amplify, promote the J adhesive through the RT amplifying circuit, the turning circuit power supply, the L lamp is shinny.Button unclamps, and circuit is not had influence, again button again, transmitter is launched a set of pulses again, receiver is exported pulse after receiving signal, and this pulse triggers through trigger, and is auto-reverse, generation low level, relay unclamp under low level state automatically, cut off the electricity supply, and the L lamp extinguishes.

Fig. 1, K1 are connected button and connect by K1 in the last integrated circuit (IC) 3 and T2 with T2, contain this key specific coding signal and exported by OUT, because the button that K1 is connected with T2 is continuous emission key, the pulse signal of output is a repetition consecutive pulses signal, and PH is constantly glittering.Infrared receiving terminal IC2 receives the infrared pulse signal of continuous repetition among Fig. 2, after C2, the C3 user code testing circuit that passes to IC3 by IN end relatively differentiated, corresponding output produces continuous impulse output, this continuous impulse is input to the IC4 trigger, then produce high level, cause the relay J adhesive, the L lamp is bright, if this continuous impulse is input to light adjusting circuit, then strength of current is regulated lamplight brightness in the adjustable circuit.Press the continuous emission key of once-used emitter again, then transmitter produces continuous impulse signal output again, and receiver produces after continuous impulse output reaches the IC4 trigger more again, and the trigger counter-rotating produces low level, and relay unclamps, and the L lamp extinguishes.Receiver produces continuous impulse output and passes to light adjusting circuit, and then light adjusting circuit strength of current changes round about.

Claims

A kind of Infrared remote controller, it is characterized in that forming by infrared transmitter and infrared remote receiver, transmitter wherein comprises oscillatory circuit, signal transmission circuit, its signal input circuit, oscillatory circuit is by 1 of IC1,2 pins and ceramic filter KBR and capacitor C 1, C2 forms, signal transmission circuit is by IC1 and resistance R, triode T and PH infrarede emitting diode are formed, signal input circuit is by button and diode D1, D2 forms, infrared remote receiver wherein comprises the reception head, testing circuit and latch cicuit, it receives head and mainly forms by receiving ic chip 3, testing circuit is by the C2 of IC3, C3 end and capacitor C 2, C3 forms, and latch cicuit is by resistance R 2, triode T, diode D1 and relay J are formed.