CN102810248A

CN102810248A - Timing control device manufactured by processing infrared remote controller

Info

Publication number: CN102810248A
Application number: CN2012103130296A
Authority: CN
Inventors: 洪珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-29
Filing date: 2012-08-29
Publication date: 2012-12-05

Abstract

The invention discloses a timing control device manufactured by processing an infrared remote controller. The timing control device manufactured by processing the infrared remote controller comprises a 5V direct current power supply, an infrared signal receiving and amplifying demodulation circuit, a monostable timing circuit, a level output and relay control circuit and an operating state indicating circuit, and is characterized in that an infrared receiver module IC1 is the model of PNA4602M; and a time base circuit IC2 in the monostable timing circuit is the model of NE555. The electronic products are rapidly upgraded, so that several infrared remote controllers, such as infrared remote controllers for a color TV, a video compact disc (VCD), a digital video disk (DVD), an air conditioner, an electric fan or an electric heater, are idle in every family. A user can control related electronic equipment or household appliances required to be timed according to the needs by utilizing the high level output by the timing control device manufactured by processing the infrared remote controller and relay control circuit, so that the idle infrared remote controllers have novel functions.

Description

The time cycle controller that IR remote controller is made

Technical field

The invention belongs to electronic technology and infrared ray control technology field, is the time cycle controller of making about a kind of IR remote controller.

Background technology

The fast updating of electronic product is regenerated, and causes each family several IR remote controllers that all left unused, as: IR remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan or electric heater.The user can be as required; Utilize these idle IR remote controllers; The high level and the control relay circuit control of exporting with the time cycle controller of IR remote controller making of the present invention need associated electronic device or household electrical appliance regularly, make these idle IR remote controllers bring into play new effect.

Below specify time cycle controller that IR remote controller of the present invention makes related relevant technologies content in implementation process.

Summary of the invention

Goal of the invention and beneficial effect: the fast updating of electronic product is regenerated, and causes each family several IR remote controllers that all left unused, as: IR remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan or electric heater.The user can be as required; Utilize these idle IR remote controllers; The high level and the control relay circuit control of exporting with the time cycle controller of IR remote controller making of the present invention need associated electronic device or household electrical appliance regularly, make these idle IR remote controllers bring into play new effect.

The circuit working principle: IC1 is the infrared remote receiver module (PNA4602M) of 3 pins in the time cycle controller circuit that IR remote controller is made, and its inside is made up of infrared receiving terminal, infrared signal amplifier and detuner etc.Time base circuit IC2 forms mono-stable timing circuit with timing potentiometer RP, electrochemical capacitor C2 in the circuit, and its timing is by the time constant decision of timing potentiometer RP, electrochemical capacitor C2.

When infrared remote receiver module I C1 does not receive the infrared light that telepilot sends; The output of infrared remote receiver module I C1 is in high level; This high level is added to the trigger end (the 2nd pin) of time base circuit IC2 timer; Make monostable circuit keep waiting status, the output terminal of time base circuit IC2 (the 3rd pin) is in low level always.After infrared telepilot faces toward infrared remote receiver module I C1 and presses the last arbitrary key of IR remote controller (any a); The infrared signal of its emission will be received by infrared remote receiver module I C1; The output terminal of infrared remote receiver module I C1 will send the positive and negative train of impulses of a series of high and low level at this moment; In these positive and negative train of impulses, as long as there is 1 negative pulse (low level) to be added to the trigger end (the 2nd pin) of time base circuit IC2, mono-stable timing circuit can be triggered; Make the 3rd pin output high level of time base circuit IC2, holding time of high level decided by the time constant of timing potentiometer RP, electrochemical capacitor C2.

Mono-stable timing circuit itself also has the anti-shake effect of switch; No matter the output of the output terminal of infrared remote receiver module I C1 is what high and low level signals; When wherein having 1 low level to be added to the trigger end of time base circuit IC2, the 3rd pin of time base circuit IC2 will be exported the high level of certain hour.The high level of the 3rd pin output of time base circuit IC2 is lighted LED1, explains that receiving controller has received infrared remote-controlled signal, and the high level of time base circuit IC2 output simultaneously directly drives DC relay J work.

After pressing any key of IR remote controller; Behind the high level maintenance certain hour because of the output of time base circuit IC2 monostable; Infrared remote receiver module I C1, time base circuit IC2 can be in waiting status again, and when again by any key of IR remote controller, the output terminal of infrared remote receiver module I C1 just produces a series of high and low level signals; The composition mono-stable timing circuit of time base circuit IC2 is triggered once more, and its 3rd pin can be exported high level again.Regularly potentiometer RP is used to set the time regularly, and its scope is 1～30 minute.

Technical scheme: the time cycle controller that IR remote controller is made, it comprises that 5V direct supply, infrared signal receive amplification demodulator circuit, mono-stable timing circuit, level output and control relay circuit, duty indicating circuit, is characterized in that:

Infrared signal receives amplifies demodulator circuit: be made up of infrared remote receiver module I C1, resistance R 1 and electrochemical capacitor C1; The end of the 1st pin connecting resistance R1 of infrared remote receiver module I C1 and the positive pole of electrochemical capacitor C1; The anodal VCC of the 3rd pin of infrared remote receiver module I C1 and the other end connection circuit of resistance R 1, the negative pole connection circuit ground GND of the 2nd pin of infrared remote receiver module I C1 and electrochemical capacitor C1;

Mono-stable timing circuit: form by time base circuit IC2, timing potentiometer RP, electrochemical capacitor C2; The 2nd pin of time base circuit IC2 connects the 1st pin of infrared remote receiver module I C1; The 6th pin of time base circuit IC2 and the 7th pin connect regularly the end of potentiometer RP and the positive pole of electrochemical capacitor C2; The other end of the 4th pin of time base circuit IC2, the 8th pin and timing potentiometer RP and the anodal VCC of lever arm connection circuit thereof, the negative pole connection circuit ground GND of the 1st pin of time base circuit IC2 and electrochemical capacitor C2;

The 3rd pin of time base circuit IC2 meets an end of DC relay J coil, negative pole and level output end of switching diode D1, the anodal connection circuit ground GND of the other end of DC relay J coil and switching diode D1 in level output and the control relay circuit;

The anodal VCC of the anodal connection circuit of 5V direct supply, the negative pole of 5V direct supply links to each other with circuit ground GND.

The duty indicating circuit: be made up of LED, resistance R 2, the 3rd pin of time base circuit IC2 is through the positive pole of resistance R 2 sending and receiving optical diode LED, the negative pole connection circuit ground GND of LED.

Description of drawings

Accompanying drawing 1 is the embodiment circuit working schematic diagram that the present invention provides the time cycle controller of an IR remote controller making.

Embodiment

The circuit working schematic diagram and the description of drawings of the time cycle controller of making according to IR remote controller shown in the accompanying drawing 1; And according to the annexation between the components and parts in the said circuit of summary of the invention, and the components and parts technical parameter described in the embodiment requires to implement to realize the present invention.

The selection of components and parts and technical parameter

IC1 is the infrared remote receiver module, and the model of selecting for use is PNA4602M;

IC2 is a time base circuit, and the model of selecting for use is NE555;

D1 is a switching diode, and the model of selecting for use is 1N4148;

Resistance is selected the metalfilmresistor of 1/8W for use, and the resistance of resistance R 1 is 100k Ω; The resistance of resistance R 2 is 390 Ω;

Regularly the resistance of potentiometer RP is 1.2M Ω, requires to select linear potentiometer;

C1 is an electrochemical capacitor, and capacity is 4.7 μ F/16V; C2 is an electrochemical capacitor, and capacity is 1000 μ F/16V;

J is a DC relay, uses the DC relay of WV 5V, and the contactless power of DC relay can be confirmed as required;

The 5V DC current source, selecting output voltage for use is the D.C. regulated power supply of 5V, output current 200mA.

Circuit production main points, circuit debugging and use

The circuit of the time cycle controller that IR remote controller is made is so long as the electronic devices and components performance of selecting for use is intact; The annexation of components and parts is welded in the accompanying drawing 1 to specifications; After physical connection line and welding quality process scrutiny were errorless, circuit generally need not debugged and get final product operate as normal;

For making things convenient for circuit debugging to avoid work to intersect, can debug respectively by 5V DC current source, infrared signal reception amplification demodulator circuit, mono-stable timing circuit three parts;

Requirement guarantees that employed IR remote controller electric property is good, otherwise circuit debugging work is taken an unnecessary way;

Be quick decision circuitry timing, regularly potentiometer RP can transfer to minimum resistance earlier, and promptly timing is about 1 minute, and then increases the regularly resistance of potentiometer RP gradually, observes the variation of timing.

Claims

1. the time cycle controller made of an IR remote controller, it comprises that 5V direct supply, infrared signal receive and amplifies demodulator circuit, mono-stable timing circuit, level output and control relay circuit, duty indicating circuit, it is characterized in that:

Infrared signal receives the amplification demodulator circuit and is made up of infrared remote receiver module I C1, resistance R 1 and electrochemical capacitor C1; The model that infrared remote receiver module I C1 selects for use is PNA4602M; The end of the 1st pin connecting resistance R1 of infrared remote receiver module I C1 and the positive pole of electrochemical capacitor C1; The anodal VCC of the 3rd pin of infrared remote receiver module I C1 and the other end connection circuit of resistance R 1, the negative pole connection circuit ground GND of the 2nd pin of infrared remote receiver module I C1 and electrochemical capacitor C1;

Mono-stable timing circuit is made up of time base circuit IC2, timing potentiometer RP, electrochemical capacitor C2; The model that time base circuit IC2 selects for use is NE555; The 2nd pin of time base circuit IC2 connects the 1st pin of infrared remote receiver module I C1; The 6th pin of time base circuit IC2 and the 7th pin connect regularly the end of potentiometer RP and the positive pole of electrochemical capacitor C2; The other end of the 4th pin of time base circuit IC2, the 8th pin and timing potentiometer RP and the anodal VCC of lever arm connection circuit thereof, the negative pole connection circuit ground GND of the 1st pin of time base circuit IC2 and electrochemical capacitor C2;

2. the time cycle controller that IR remote controller according to claim 1 is made; It is characterized in that: the duty indicating circuit is made up of LED, resistance R 2; The 3rd pin of time base circuit IC2 is through the positive pole of resistance R 2 sending and receiving optical diode LED, the negative pole connection circuit ground GND of LED.