CN205486777U - Computer remote control signal receiver based on singlechip - Google Patents

Abstract

The utility model discloses a computer remote control signal receiver based on singlechip, singlechip including model AT89C2051, first resistance to the 6th resistance, first electric capacity to the 5th electric capacity, an infrared transceiver and a RS232 interface, infrared receiver, first diode to third diode, the piezoceramics piece, triode and emitting diode, collect infrared signal through infrared receiver, when infrared signal comes in, singlechip execution -interruption and the infrared signal decode to gathering, and send the computer to from the RS232 interface, the computer is received the character that the serial ports was sent and is made corresponding command operation according to the definition again, compared with the prior art, the utility model discloses a singlechip constitutes the remote control receiving ware of computer for the main element, and its receiving range is far away, receives through making the computer behind MCU processing infrared receiver's the signal again, and its signal reception is accurate, has the value of popularization and application.

Description

A kind of SCM Based computer remote control signal receiver

Technical field

This utility model relates to a kind of single chip application technology, particularly relates to a kind of SCM Based computer Remote signal receiver.

Background technology

Single-chip microcomputer is a kind of IC chip, is to use very large scale integration technology having at data The central processor CPU of reason ability, random access memory ram, read only memory ROM, multiple I/O mouth and in The disconnected function such as system, timer/counter (may also include display driver circuit, pulse-width modulation circuit, mould Intend the circuit such as multiplexer, A/D converter) to be integrated on one piece of silicon chip one constituted little and perfect micro- Type computer system, extensively applies at industrial control field.In prior art, the control to computer is most Being to have line traffic control, signal transmission also takes definite transmission mostly, however, it is necessary to computer is remotely controlled Time, its reception technique is actually rare, accordingly, there exist room for improvement.

Utility model content

The purpose of this utility model is that provides a kind of SCM Based calculating to solve the problems referred to above Machine remote signal receiver.

This utility model is achieved through the following technical solutions above-mentioned purpose:

This utility model includes that the single-chip microcomputer of model AT89C2051, the first resistance are to the 6th resistance, the first electricity Hold to the 5th electric capacity, RS232 interface, infrared remote receiver, the first diode to the 3rd diode, piezoelectricity pottery Ceramics, audion and light emitting diode, with the emitter stage of described audion, described monolithic while of positive source 20th pin of machine, the negative pole of described 3rd diode, the first end of described second electric capacity, the described 3rd First end of the first end of electric capacity, the first end of described 4th resistance and described 5th resistance connects, and power supply is born Pole simultaneously with the negative pole of described infrared remote receiver, the negative pole of described light emitting diode, described RS232 interface 5th pin, the tenth pin of described single-chip microcomputer, the first end of described 4th electric capacity, described 5th electric capacity First end, the first end of described 6th resistance, the second end of described second electric capacity, described 3rd diode First end of positive pole and described first electric capacity connects, the base stage of described audion and the first of described 3rd resistance End connects, and described second end of the 3rd resistance is connected with the 3rd pin of described single-chip microcomputer, described audion Colelctor electrode is connected with the first end of the first end of described first resistance and described second resistance simultaneously, and described first Second end of resistance is connected with the 3rd pin of described RS232 interface, the second end of described second resistance and institute The second pin stating RS232 interface connects, the 7th pin of described RS232 interface and described first diode Positive pole connect, the 4th pin of described RS232 interface is connected with the positive pole of described second diode, described The negative pole of the first diode even with the second end of the negative pole of described second diode and described 5th resistance simultaneously Connect, the second end of described first electric capacity simultaneously with the second end of described 4th resistance and described infrared remote receiver Positive pole connects, and the signal output part of described infrared remote receiver is connected with the 6th pin of described single-chip microcomputer, described 11st pin of single-chip microcomputer is connected with the positive pole of described light emitting diode, and the 5th pin of described single-chip microcomputer is same Time be connected with the second end of the first end of described piezoelectric ceramic piece and described 5th electric capacity, the of described single-chip microcomputer Four pins are connected with the second end of the second end of described piezoelectric ceramic piece and described 4th electric capacity simultaneously, described list First pin of sheet machine is connected with the second end of described 3rd electric capacity and the second end of described 6th resistance simultaneously.

The beneficial effects of the utility model are:

This utility model is a kind of SCM Based computer remote control signal receiver, compared with prior art, This utility model is by the receiver of remote-control sytem that single-chip microcomputer is that main element constitutes computer, and its receiving range is remote, Making computer be received again processed the signal of infrared remote receiver by single-chip microcomputer after, its signal receives accurately, There is the value of popularization and application.

Accompanying drawing explanation

Fig. 1 is circuit structure schematic diagram of the present utility model.

Detailed description of the invention

The utility model is described in further detail below in conjunction with the accompanying drawings:

As shown in Figure 1: this utility model includes the single-chip microcomputer IC of model AT89C2051, the first resistance R1 To the 6th resistance R6, first electric capacity C1 to the 5th electric capacity C5, RS232 interface RS, infrared remote receiver JS, First diode D1 to the 3rd diode D3, piezoelectric ceramic piece YD, audion VT and light emitting diode LED, positive source simultaneously with the emitter stage of audion VT, the 20th pin of single-chip microcomputer IC, the three or two The negative pole of pole pipe D3, first end of the second electric capacity C2, first end of the 3rd electric capacity C3, the 4th resistance R4 The first end and first end of the 5th resistance R5 connect, power cathode simultaneously with the negative pole of infrared remote receiver JS, The negative pole of LED, the 5th pin of RS232 interface RS, the tenth pin of single-chip microcomputer IC, First end of the 4th electric capacity C4, first end of the 5th electric capacity C5, first end of the 6th resistance R6, second First end of second end of electric capacity C2, the positive pole of the 3rd diode D3 and the first electric capacity C1 connects, three poles The base stage of pipe VT is connected with first end of the 3rd resistance R3, second end of the 3rd resistance R3 and single-chip microcomputer IC The 3rd pin connect, the colelctor electrode of audion VT simultaneously with the first end and second resistance of the first resistance R1 First end of R2 connects, and second end of the first resistance R1 is connected with the 3rd pin of RS232 interface RS, Second end of the second resistance R2 is connected with second pin of RS232 interface RS, the of RS232 interface RS The positive pole of seven pins and the first diode D1 connects, the 4th pin of RS232 interface RS and the second diode The positive pole of D2 connects, the negative pole of the first diode D1 simultaneously with negative pole and the 5th resistance of the second diode D2 Second end of R5 connects, second end of the first electric capacity C1 simultaneously with second end of the 4th resistance R4 and infrared connect The positive pole receiving device JS connects, and the signal output part of infrared remote receiver JS is connected with the 6th pin of single-chip microcomputer IC, 11st pin of single-chip microcomputer IC is connected with the positive pole of LED, the 5th pin of single-chip microcomputer IC It is connected with first end of piezoelectric ceramic piece YD and second end of the 5th electric capacity C5, the of single-chip microcomputer IC simultaneously Four pins are connected with second end of piezoelectric ceramic piece YD and second end of the 4th electric capacity C4 simultaneously, single-chip microcomputer IC The first pin be connected with second end of the 3rd electric capacity C3 and second end of the 6th resistance R6 simultaneously.

Collecting infrared signal by infrared remote receiver JS, when there being infrared signal to come in, single-chip microcomputer IC performs Interrupt and the infrared signal collected is decoded, and delivering to computer from RS232 interface RS, calculating Machine receives the character that serial ports sends and makes corresponding command operation further according to definition, employs several letter in circuit Serial ports stealing circuit made by single element, makes this receptor need not external power supply again, is just inserted on serial ports Can employ, plug and play.After installing, LED begins to flicker, shows that circuit is just Often work.

Component parameter of the present utility model selects as follows:

Power supply is 5V, the first resistance R1 is 100 Ω, the second resistance R2 is 400 Ω, the 3rd resistance R3 Be 500 Ω, the 4th resistance R4 be 2k Ω, the 5th resistance R5 be 27k Ω, the 6th resistance R6 be 200 Ω, First electric capacity C1 is 300uf, the second electric capacity C2 is 470uf, the 3rd electric capacity C3 is 100uf, the 4th electric capacity C4 is 1000uf, the 5th electric capacity C5 is 10uf, infrared remote receiver JS is general infrared remote receiver, the one or two Pole pipe D1 to the 3rd diode D3 model is IN4001, audion VT is NPN type triode, send out Optical diode LED is 0.5W.

Of the present utility model ultimate principle and principal character and of the present utility model excellent have more than been shown and described Point.Skilled person will appreciate that of the industry, this utility model is not restricted to the described embodiments, above-mentioned reality Execute and principle of the present utility model is simply described, without departing from this utility model spirit described in example and description On the premise of scope, this utility model also has various changes and modifications, and these changes and improvements both fall within In the range of claimed this utility model.This utility model claims scope by appending claims And equivalent defines.

Claims (1)

1. a SCM Based computer remote control signal receiver, it is characterised in that: include model The single-chip microcomputer of AT89C2051, the first resistance connect to the 6th resistance, the first electric capacity to the 5th electric capacity, RS232 Mouth, infrared remote receiver, the first diode are to the 3rd diode, piezoelectric ceramic piece, audion and light-emitting diodes Pipe, positive source simultaneously with the emitter stage of described audion, the 20th pin of described single-chip microcomputer, described the The negative pole of three diodes, the first end of described second electric capacity, the first end of described 3rd electric capacity, the described 4th First end of resistance and the first end of described 5th resistance connect, with described infrared remote receiver while of power cathode Negative pole, the negative pole of described light emitting diode, the 5th pin of described RS232 interface, described single-chip microcomputer Tenth pin, the first end of described 4th electric capacity, the first end of described 5th electric capacity, described 6th resistance The of first end, the second end of described second electric capacity, the positive pole of described 3rd diode and described first electric capacity One end connects, and the base stage of described audion is connected with the first end of described 3rd resistance, described 3rd resistance Second end is connected with the 3rd pin of described single-chip microcomputer, and the colelctor electrode of described audion is simultaneously electric with described first First end of resistance and the first end of described second resistance connect, the second end of described first resistance and described RS232 3rd pin of interface connects, and the second end of described second resistance connects with the second pin of described RS232 interface Connecing, the 7th pin of described RS232 interface is connected with the positive pole of described first diode, and described RS232 connects Mouthful the 4th pin be connected with the positive pole of described second diode, with institute while of the negative pole of described first diode Second end of the negative pole and described 5th resistance of stating the second diode connects, and the second end of described first electric capacity is same Time be connected with described second end of the 4th resistance and the positive pole of described infrared remote receiver, described infrared remote receiver Signal output part is connected with the 6th pin of described single-chip microcomputer, the 11st pin of described single-chip microcomputer and described The positive pole of optical diode connects, the 5th pin of described single-chip microcomputer simultaneously with the first end of described piezoelectric ceramic piece Connect with the second end of described 5th electric capacity, the 4th pin of described single-chip microcomputer simultaneously with described piezoelectric ceramic piece The second end and the second end of described 4th electric capacity connect, the first pin of described single-chip microcomputer is simultaneously with described the Second end of three electric capacity and the second end of described 6th resistance connect.