CN202748932U - Infrared ray remote control timer - Google Patents
Infrared ray remote control timer Download PDFInfo
- Publication number
- CN202748932U CN202748932U CN 201220486792 CN201220486792U CN202748932U CN 202748932 U CN202748932 U CN 202748932U CN 201220486792 CN201220486792 CN 201220486792 CN 201220486792 U CN201220486792 U CN 201220486792U CN 202748932 U CN202748932 U CN 202748932U
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- circuit
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- infrared ray
- time base
- receiver module
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Abstract
The utility model provides an infrared ray remote control timer which consists of a 5V direct-current power supply, an infrared ray signal receiving amplifying demodulator circuit, a mono-stability timing circuit, a level output and relay control circuit and a working condition indicating circuit. The infrared ray remote control timer is characterized in that the model of an infrared ray receiver module IC1 (integrated circuit) in the infrared ray signal receiving amplifying demodulator circuit is PNA4602M, and the model of a time base circuit IC2 in the mono-stability timing circuit is NE555. At present, many families have a plurality of idle infrared ray remote controllers such as infrared ray remote controllers for color TVs (television), VCD machines (video compact disc), DVD (digital video disk) machines, air conditioners, electric fans, electric heaters and the like. The high level and the relay control circuit of the timer made of an idle infrared ray remote controller can be used for controlling the related electronic equipment or household appliances which need to be timed, so that the infrared ray remote controllers which are not in use for a long time can be beneficially used.
Description
Technical field
The utility model belongs to electronics and infrared ray control technology field, is about a kind of infra-red remote control timer.
Background technology
Present a lot of families several infrared remote controllers that all leaving unused, as: the infrared remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan or electric heater.Utilize these idle infrared remote controllers, high level and the control relay circuit of the timer output of making according to infrared remote controller described in the utility model, can control needs associated electronic device or household electrical appliance regularly, makes these infrared remote controllers that leave unused for a long time can bring into play useful effect.
Below describe infra-red remote control timer described in the utility model related relevant technologies content in implementation process in detail.
The utility model content
Goal of the invention and beneficial effect: present a lot of families several infrared remote controllers that all leaving unused, as: the infrared remote controllers such as colour TV, VCD, DVD, air-conditioning, electric fan or electric heater.Utilize these idle infrared remote controllers, high level and the control relay circuit of the timer output of making according to infrared remote controller described in the utility model, can control needs associated electronic device or household electrical appliance regularly, makes these infrared remote controllers that leave unused for a long time can bring into play useful effect.
The circuit working principle: the infrared receiver module (PNA4602M) in the infra-red remote control timer circuit, its inside is comprised of infrared receiving terminal, infrared signal amplifier and detuner.Time base circuit IC2 and potentiometer RP, electrochemical capacitor C2 form mono-stable timing circuit in the circuit, and its timing is determined by the time constant of potentiometer RP, electrochemical capacitor C2.
When infrared ray receiver module IC1 confiscates the infrared ray that telepilot sends, the output of infrared 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, make monostable circuit keep waiting status, the output terminal of time base circuit IC2 (the 3rd pin) is in low level always.After the infrared ray telepilot faces toward infrared receiver module I C1 and presses the upper arbitrary key of infrared remote controller (any a), the infrared signal of its emission will be received by infrared receiver module I C1, this moment, the output terminal of infrared receiver module I C1 will send a series of high, low level train of impulses, in these train of impulses, as long as there is 1 low level (negative pulse) to be added to the trigger end (the 2nd pin) of time base circuit IC2, mono-stable timing circuit can be triggered, make output terminal (the 3rd pin) the output high level of time base circuit IC2, the holding time by potentiometer RP of high level, the time constant of electrochemical capacitor C2 determines.
The high level of the output terminal of time base circuit IC2 (the 3rd pin) output is lighted LED, illustrates that receiving controller has received infrared remote control signal, and the high level of simultaneously time base circuit IC2 output directly drives DC relay J work.
After pressing any key of infrared remote controller, behind the high level maintenance certain hour because of the output of time base circuit IC2 monostable, infrared receiver module I C1, time base circuit IC2 can be in waiting status again, when pressing again an any key of infrared remote controller, the output terminal of infrared 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 again, and its output terminal (the 3rd pin) can be exported high level again.The scope of potentiometer RP setting-up time is 1～30 minute.
Technical scheme: the infra-red remote control timer, it is comprised of 5V direct supply, infrared signal reception amplification demodulator circuit, mono-stable timing circuit, level output and control relay circuit, working state indicating circuit, and its feature comprises:
Infrared signal receives and amplifies demodulator circuit: be comprised of infrared receiver module I C1, resistance R 1 and electrochemical capacitor C1, the end of the 1st pin connecting resistance R1 of infrared receiver module I C1 and the positive pole of electrochemical capacitor C1, the anodal VCC of the 3rd pin of infrared 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 receiver module I C1 and electrochemical capacitor C1;
Mono-stable timing circuit: formed by time base circuit IC2, potentiometer RP, electrochemical capacitor C2, the 2nd pin of time base circuit IC2 connects the 1st pin of infrared receiver module I C1, the 6th pin of time base circuit IC2 and the 7th pin connect the end of potentiometer RP and the positive pole of electrochemical capacitor C2, the anodal VCC of the other end of the 4th pin of time base circuit IC2, the 8th pin and potentiometer RP and movable end 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.
Working state indicating circuit: be comprised of LED, resistance R 2, the 3rd pin of time base circuit IC2 is by 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 utility model provides an infra-red remote control timer.
Embodiment
Circuit working schematic diagram and description of drawings according to infra-red remote control timer shown in the accompanying drawing 1, and according to the annexation between the components and parts in the described circuit of utility model content, and the components and parts technical parameter described in the embodiment requires to implement to realize the utility model.
The selection of components and parts and technical parameter
IC1 is the infrared receiver module, and the model of selecting is PNA4602M;
IC2 is time base circuit, and the model of selecting is NE555;
D1 is switching diode, and the model of selecting is 1N4148;
Resistance is selected the metalfilmresistor of 1/8W, and the resistance of resistance R 1 is 100k Ω; The resistance of resistance R 2 is 390 Ω;
The resistance of potentiometer RP is 1.2M Ω, requires to select linear potentiometer;
C1 is electrochemical capacitor, and capacity is 4.7 μ F/16V; C2 is electrochemical capacitor, and capacity is 1000 μ F/16V;
J is DC relay, uses operating voltage to be the DC relay of 5V, and the contactless power of DC relay is according to determining as required;
It is the D.C. regulated power supply of 5V, output current 200mA that the 5V DC current source is selected output voltage.
Circuit production main points, circuit debugging and use
The circuit of infra-red remote control timer is so long as the electronic devices and components performance of selecting is intact, the annexation of components and parts is welded in the accompanying drawing 1 to specifications, after physical connection line and welding quality were errorless through careful inspection, circuit did not generally need debugging to work;
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;
Be quick decision circuitry timing, potentiometer RP can transfer to first minimum resistance, and namely timing is approximately 1 minute, and then increases gradually the resistance of potentiometer RP, observes the variation of timing.
Claims (2)
1. infra-red remote control timer, it by 5V direct supply, infrared signal receive amplify demodulator circuit, mono-stable timing circuit, level output and control relay circuit, working state indicating circuit forms, its feature comprises:
Described infrared signal receives the amplification demodulator circuit and is comprised of infrared receiver module I C1, resistance R 1 and electrochemical capacitor C1, the model that infrared receiver module I C1 selects is PNA4602M, the end of the 1st pin connecting resistance R1 of infrared receiver module I C1 and the positive pole of electrochemical capacitor C1, the anodal VCC of the 3rd pin of infrared 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 receiver module I C1 and electrochemical capacitor C1;
Described mono-stable timing circuit is comprised of time base circuit IC2, potentiometer RP, electrochemical capacitor C2, the model that time base circuit IC2 selects is NE555, the 2nd pin of time base circuit IC2 connects the 1st pin of infrared receiver module I C1, the 6th pin of time base circuit IC2 and the 7th pin connect the end of potentiometer RP and the positive pole of electrochemical capacitor C2, the anodal VCC of the other end of the 4th pin of time base circuit IC2, the 8th pin and potentiometer RP and movable end 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 described level output and the control relay circuit;
The anodal VCC of the anodal connection circuit of described 5V direct supply, the negative pole of 5V direct supply links to each other with circuit ground GND.
2. infra-red remote control timer according to claim 1, it is characterized in that: working state indicating circuit is comprised of LED, resistance R 2, the 3rd pin of time base circuit IC2 is by the positive pole of resistance R 2 sending and receiving optical diode LED, the negative pole connection circuit ground GND of LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486792 CN202748932U (en) | 2012-09-21 | 2012-09-21 | Infrared ray remote control timer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220486792 CN202748932U (en) | 2012-09-21 | 2012-09-21 | Infrared ray remote control timer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202748932U true CN202748932U (en) | 2013-02-20 |
Family
ID=47708295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220486792 Expired - Fee Related CN202748932U (en) | 2012-09-21 | 2012-09-21 | Infrared ray remote control timer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202748932U (en) |
-
2012
- 2012-09-21 CN CN 201220486792 patent/CN202748932U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20130921 |