CN104732753A - Universal performance tester for infrared remote controls - Google Patents
Universal performance tester for infrared remote controls Download PDFInfo
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- CN104732753A CN104732753A CN201510166289.9A CN201510166289A CN104732753A CN 104732753 A CN104732753 A CN 104732753A CN 201510166289 A CN201510166289 A CN 201510166289A CN 104732753 A CN104732753 A CN 104732753A
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Abstract
The invention provides a universal performance tester for infrared remote controls. The universal performance tester is characterized by comprising a 3V DC power supply and filter circuit, an infrared signal receiving circuit, and an infrared signal amplifying and testing display circuit. The universal performance tester is special for detecting infrared remote controls and other infrared products; judging whether the infrared remote control emits an infrared remote-control signal is required only; through whether a high-brightness red LED in the circuit flashes, the performance of the infrared remote control under test is made clear; quickly and accurately repairing the infrared mote control is facilitated for technicians during maintenance. A special infrared signal receiver is not required, the circuit structure is greatly simplified, and the manufacturing process is greatly simplified.
Description
Technical field
The invention belongs to infrared ray applied technical field, is about a kind of Infrared remote controller performance general purpose tester.
Background technology
Various televisor, video recorder, video disc player, sound equipment, air-conditioning and electric fan, and the electrical equipment control majority such as automobile door lock all have employed infrared remote control technology.In these electrical maintenance processes, often run into the phenomenon of Infrared remote controller functional failure.How does is failure judgement in Infrared remote controller part, or fault occurs in electric equipment signal receive section?
When detecting Infrared remote controller fine or not, the audiometry of usual use transistor radio, but transistor radio can only receive the higher hamonic wave of infrared remote-controlled signal, because the infrared signal that Infrared remote controller sends is very faint, the effect detecting Infrared remote controller with transistor radio is very undesirable.Infrared remote controller performance general purpose tester of the present invention is specifically designed to and detects infrared remote controller and other ultrared products, as long as judge whether Infrared remote controller transmits infrared remote-controlled signal, by the flicker of red light emitting diodes highlighted in circuit whether, the performance of detected Infrared remote controller is very clear, it is technician when keeping in repair, and can repair Infrared remote controller quickly and accurately and provide conveniently.
Below describe the relevant technologies content that Infrared remote controller performance general purpose tester of the present invention is involved in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: Infrared remote controller performance general purpose tester of the present invention is specifically designed to and detects infrared remote controller and other ultrared products, as long as judge whether Infrared remote controller transmits infrared remote-controlled signal, by the flicker of red light emitting diodes highlighted in circuit whether, the performance of detected Infrared remote controller is very clear, it is technician when keeping in repair, and can repair Infrared remote controller quickly and accurately and provide conveniently.It does not need special IR signal reception head, and circuit structure and manufacturing process are greatly simplified.
Circuit working principle: its core circuit of Infrared remote controller performance general purpose tester uses a Darlington transistor equivalent electrical circuit exactly.When pressing Infrared remote controller presses arbitrarily a key, after infrared receiver tube D1 receives infrared remote control signal, infrared receiver tube D1 conducting makes the base stage of NPN type triode VT1 become noble potential by electronegative potential, after the collector making NPN type triode VT1 and its emitter conducting, also the base stage of NPN type triode VT2 and NPN type triode VT3 is made to become noble potential by electronegative potential, make NPN type triode VT3 collector and the also conducting of its emitter, finally promote LED and light instruction.If highlighted red light emitting diodes LED can not be lit, illustrate that this Infrared remote controller exists fault.It does not need special IR signal reception head, and circuit structure and manufacturing process are greatly simplified.
Technical scheme: Infrared remote controller performance general purpose tester, it comprises 3V direct supply and filtering circuit, infrared signal receiving circuit, the amplification of infrared signal signal and test display circuit, it is characterized in that:
Infrared signal receiving circuit: the base stage of the positive pole connection circuit positive pole VCC of infrared receiver tube D1, NPN type triode VT1 connects the negative pole of infrared receiver tube D1 and one end of resistance R1, the other end connection circuit ground GND of resistance R1;
Infrared signal signal amplifies and test display circuit: it is by NPN type triode VT1, NPN type triode VT2, NPN type triode VT3, potentiometer RP and LED composition, the emitter of NPN type triode VT1 connects the base stage of NPN type triode VT2, the emitter of NPN type triode VT2 connects the base stage of NPN type triode VT3 and one end of potentiometer RP, the emitter connection circuit ground GND of the other end of potentiometer RP and movable end and NPN type triode VT3, NPN type triode VT1 collector and NPN type triode VT2 collector and NPN type triode VT3 collector connect the negative pole of LED, the positive pole connection circuit positive pole VCC of LED,
3V direct supply and filtering circuit: it is made up of power switch SW, 3V direct supply and electrochemical capacitor C1, the positive pole of 3V direct supply passes through the positive pole of power switch SW connection circuit positive pole VCC and electrochemical capacitor C1, and the negative pole of 3V direct supply meets negative pole and the circuit ground GND of electrochemical capacitor C1.
Accompanying drawing explanation
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides an Infrared remote controller performance general purpose tester; The negative pole of 3V direct supply is connected with circuit ground GND.
Embodiment
According to Infrared remote controller performance general purpose tester circuit working schematic diagram shown in the drawings and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement
NPN type triode VT1, NPN type triode VT2 all select 2SC9014 or 3DG6, and NPN type triode VT3 selects 2SC8050 or 3DGl2, in order to circuit working is stablized, require that β value controls 80 ~ 100;
D1 is infrared receiver tube; LED is light emitting diode, selects the highlighted red light emitting diodes of ￠ 5mm;
RP is potentiometer, and its resistance is 3.2K Ω;
R1 is resistance, and the resistance selected is 560 Ω;
C1 is electrochemical capacitor, and its capacity is 330 μ F/10V;
3V direct supply can use the common MnZn dry cell of 2 joint 5#.
Circuit production main points, circuit debugging and using method
Because the circuit structure of Infrared remote controller performance general purpose tester is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention does not substantially need to carry out debugging and can normally work;
Install two batteries, switch on power interrupteur SW, the receiving tube of Infrared remote controller performance general purpose tester is aimed at the power valve of tested Infrared remote controller, press any button of tested Infrared remote controller, the LED on remote control general purpose tester will be glittering;
Resistance R1 is for regulating the sensitivity of the receiving infrared-ray signal of infrared receiver tube D1;
Infrared signal signal amplify and test display circuit in potentiometer RP for regulating LED to work time brightness;
Through test: in 3V DC power supply, stand-by operation electric current < 0.2mA, when receiving Infrared remote controller and sending infrared signal, complete machine working current is about 12mA, receives the coverage >=3m of infrared signal.
Circuit components layout of the present invention, circuit structure design, its shape and size etc. of outward appearance are not all gordian techniquies of the present invention; because not affecting specific implementation process of the present invention; neither the technology contents of application claims protection, therefore not illustrate one by one in the description.
Claims (1)
1. an Infrared remote controller performance general purpose tester, it comprises 3V direct supply and filtering circuit, infrared signal receiving circuit, the amplification of infrared signal signal and test display circuit, it is characterized in that:
In described infrared signal receiving circuit, the base stage of the positive pole connection circuit positive pole VCC of infrared receiver tube D1, NPN type triode VT1 connects the negative pole of infrared receiver tube D1 and one end of resistance R1, the other end connection circuit ground GND of resistance R1;
Described infrared signal signal amplifies and tests display circuit by NPN type triode VT1, NPN type triode VT2, NPN type triode VT3, potentiometer RP and LED composition, the emitter of NPN type triode VT1 connects the base stage of NPN type triode VT2, the emitter of NPN type triode VT2 connects the base stage of NPN type triode VT3 and one end of potentiometer RP, the emitter connection circuit ground GND of the other end of potentiometer RP and movable end and NPN type triode VT3, NPN type triode VT1 collector and NPN type triode VT2 collector and NPN type triode VT3 collector connect the negative pole of LED, the positive pole connection circuit positive pole VCC of LED,
Described 3V direct supply and filtering circuit are made up of power switch SW, 3V direct supply and electrochemical capacitor C1, the positive pole of 3V direct supply passes through the positive pole of power switch SW connection circuit positive pole VCC and electrochemical capacitor C1, and the negative pole of 3V direct supply meets negative pole and the circuit ground GND of electrochemical capacitor C1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166289.9A CN104732753A (en) | 2015-04-09 | 2015-04-09 | Universal performance tester for infrared remote controls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510166289.9A CN104732753A (en) | 2015-04-09 | 2015-04-09 | Universal performance tester for infrared remote controls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104732753A true CN104732753A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510166289.9A Pending CN104732753A (en) | 2015-04-09 | 2015-04-09 | Universal performance tester for infrared remote controls |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107526028A (en) * | 2017-09-22 | 2017-12-29 | 骏升科技（扬州）有限公司 | A kind of test system and method for testing of remote control circuitry plate |
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| KR20080003430U (en) * | 2007-02-15 | 2008-08-20 | 삼성전자서비스 주식회사 | Digital Sensor Multi Tester equipmen |
| CN201421480Y (en) * | 2009-05-06 | 2010-03-10 | 母伟迹 | Portable multifunctional detector |
| CN202443077U (en) * | 2012-01-30 | 2012-09-19 | 张新安 | Tester for infrared remote-control transmitter |
| CN202996008U (en) * | 2012-12-11 | 2013-06-12 | 无锡科技职业学院 | Infrared remote control detection device |
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| CN107526028A (en) * | 2017-09-22 | 2017-12-29 | 骏升科技（扬州）有限公司 | A kind of test system and method for testing of remote control circuitry plate |
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Application publication date: 20150624 |
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