CN103698023A - Signal tester of infrared remote controller - Google Patents
Signal tester of infrared remote controller Download PDFInfo
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- CN103698023A CN103698023A CN201310718749.5A CN201310718749A CN103698023A CN 103698023 A CN103698023 A CN 103698023A CN 201310718749 A CN201310718749 A CN 201310718749A CN 103698023 A CN103698023 A CN 103698023A
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Abstract
The invention provides a signal tester of an infrared remote controller. The signal tester is characterized by comprising a 6V DC (Direct Current) power supply, a DC power supply indicating circuit, an infrared signal receiving circuit, an impulse signal amplifying circuit and a test result audible and visual indication circuit, wherein an infrared signal receiving head IC selected for the infrared signal receiving circuit is of an HS0038; in the impulse signal amplifying circuit, a third pin of an infrared signal receiving head IC1 is connected with a base electrode of a PNP-type triode VT1; an emitting electrode of the PNP-type triode VT1 is connected with a circuit positive electrode VCC; in the test result audible and visual indication circuit, an positive electrode of an LED1 (Light-Emitting Diode 1) is connected with a collecting electrode of the PNP-type triode VT1 by virtue of a resistor; a negative electrode of the LED1 is grounded; one end of a buzzer HA is connected with the collecting electrode of the PNP-type triode VT1, and the other end of the buzzer HA is grounded.
Description
Technical field
The invention belongs to electronics and infrared ray applied technical field, is about a kind of infrared remote controller signal testing device.
Background technology
Various colour television sets, VCD, DVD, sound equipment, air-conditioning and electric fan, and the control of the electrical equipment such as automobile door lock has mostly adopted infrared remote control technology.In these electrical maintenance processes, often run into the phenomenons such as functional failure of infrared remote controller.How does is failure judgement in infrared remote controller part, or fault occurs in household electrical appliance part?
The quality of past testing infrared ray telepilot, usually use transistor radio test, but transistor radio can only be received the high-frequency harmonic wave of infrared remote control signal, because the infrared signal that infrared remote controller sends is very faint, undesirable by the effect of transistor radio testing infrared ray telepilot.Infrared remote controller signal testing device of the present invention can be used for testing infrared ray telepilot and other ultrared electronic products specially, as long as judge whether infrared remote controller has launched infrared signal, whether flicker by light emitting diode in circuit, the performance quality of detected infrared remote controller is very clear, it is technician when maintenance, can repair infrared remote controller rapidly, accurately convenience is provided.
Below describe infrared remote controller signal testing device of the present invention related relevant technologies content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: the quality of past testing infrared ray telepilot, usually use transistor radio test, but transistor radio can only be received the high-frequency harmonic wave of infrared remote control signal, because the infrared signal that infrared remote controller sends is very faint, undesirable by the effect of transistor radio testing infrared ray telepilot.Infrared remote controller signal testing device of the present invention can be used for testing infrared ray telepilot and other ultrared electronic products specially, as long as judge whether infrared remote controller has launched infrared signal, whether flicker by light emitting diode in circuit, the performance quality of detected infrared remote controller is very clear, it is technician when maintenance, can repair infrared remote controller rapidly, accurately convenience is provided.
Circuit working principle: infrared remote controller signal testing device circuit is partly comprised of 6V direct supply, infrared signal reception, infrared signal amplification and display.Connect after 6V direct supply, direct supply indication light diode (LED) 2(is green) be lit, with infrared remote controller, aim at the direction of detector, while pressing the arbitrary button of infrared remote controller, infrared signal Receiver IC1 receives after the modulation of infrared rays pulse that infrared remote controller sends, through demodulation, produce a pulse signal that frequency is lower, it comprises telecommand information, and pulse signal is inputted to the base stage of positive-negative-positive triode VT1, because infrared signal Receiver IC1 output is undersuing, make positive-negative-positive triode VT1 in interrupted conducting state, at this moment the LED 1(that test shows is red) can glimmer, hummer HA can intermittently pipe, the performance that tested infrared remote controller is described is normal.If LED 1(is red) do not glimmer or hummer HA does not pipe, illustrate that this infrared remote controller exists fault.
Technical scheme: infrared remote controller signal testing device, it comprises 6V direct supply, direct supply indicating circuit, infrared signal receiving circuit, pulse signal amplification circuit, test result acousto-optic indicating circuit, it is characterized in that:
Infrared signal receiving circuit: the model that infrared signal Receiver IC1 selects is HS0038, the 2nd pin of infrared signal Receiver IC1 is by the anodal VCC of resistance R 1 connection circuit, the 1st pin connection circuit ground GND of infrared signal Receiver IC1, the 3rd pin output termination pulse signal amplification circuit of infrared signal Receiver IC1;
Pulse signal amplification circuit: the 3rd pin of infrared signal Receiver IC1 connects the base stage of positive-negative-positive triode VT1, the anodal VCC of emitter connection circuit of positive-negative-positive triode VT1, the collector of positive-negative-positive triode VT1 connects test result acousto-optic indicating circuit;
Test result acousto-optic indicating circuit: the positive pole of LED 1 connects the collector of positive-negative-positive triode VT1 by resistance R 2, the negative pole connection circuit ground GND of LED 1, the collector of a termination positive-negative-positive triode VT1 of hummer HA, the other end connection circuit ground GND of hummer HA;
The positive pole of 6V direct supply is connected with circuit anode VCC, and the negative pole of 6V direct supply is connected with circuit ground GND.
Direct supply indicating circuit: the positive pole of LED 2 is by resistance R 3 connection circuits positive pole VCC, the negative pole connection circuit ground GND of LED 2.
Accompanying drawing explanation
Accompanying drawing is the embodiment circuit working schematic diagram that the invention provides an infrared remote controller signal testing device; The negative pole of 6V direct supply is connected with circuit ground GND.
Embodiment
According to infrared remote controller signal testing device circuit working schematic diagram shown in the drawings and accompanying drawing explanation, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in embodiment requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The parameter of components and parts and selection requirement
IC1 is infrared signal Receiver, the infrared receiving terminal of selecting colour television set to use, and its model is HS0038, it is distributed with 3 pins, the 1st pin connection circuit ground GND, the anodal VCC of the 2nd pin connection circuit, the 3rd pin is output terminal;
VT1 is positive-negative-positive triode, and the model of selecting is 2SC9012, requires β >=140;
The resistance of resistance R 1 is 82 Ω, and the resistance of resistance R 2 is 150 Ω, and the resistance of resistance R 3 is 680 Ω;
LED1 is light emitting diode, selects the common red light emitting diodes of ￠ 5mm;
LED2 is light emitting diode, selects the common green LED of ￠ 5mm;
HA is hummer, the hummer of selecting inside to contain voicefrequency circuit, and operating voltage is 5～6V;
6V direct supply can use the common MnZn dry cell of 4 joint 5#.
Circuit production main points, circuit debugging and using method
Because of the circuit structure of infrared remote controller signal testing device fairly simple, as long as the electronic devices and components performance of generally selecting is intact, and the components and parts annexation in accompanying drawing is welded to specifications, physical connection line and welding quality are after careful inspection is correct, and circuit of the present invention does not substantially need to carry out any debugging and can normally work;
Through actual, test: infrared remote controller signal testing device is when 6V DC power supply, stand-by operation electric current < 1.5mA, when receiving infrared remote controller and send infrared signal, the about 22mA of complete machine electric current, the coverage >=5m of receiving infrared-ray signal.
Claims (2)
1. an infrared remote controller signal testing device, it comprises 6V direct supply, direct supply indicating circuit, infrared signal receiving circuit, pulse signal amplification circuit, test result acousto-optic indicating circuit, it is characterized in that:
In described infrared signal receiving circuit, the model that infrared signal Receiver IC1 selects is HS0038, the 2nd pin of infrared signal Receiver IC1 is by the anodal VCC of resistance R 1 connection circuit, the 1st pin connection circuit ground GND of infrared signal Receiver IC1, the 3rd pin output termination pulse signal amplification circuit of infrared signal Receiver IC1;
In described pulse signal amplification circuit, the 3rd pin of infrared signal Receiver IC1 connects the base stage of positive-negative-positive triode VT1, the anodal VCC of emitter connection circuit of positive-negative-positive triode VT1, and the collector of positive-negative-positive triode VT1 connects test result acousto-optic indicating circuit;
In described test result acousto-optic indicating circuit, the positive pole of LED 1 connects the collector of positive-negative-positive triode VT1 by resistance R 2, the negative pole connection circuit ground GND of LED 1, the collector of a termination positive-negative-positive triode VT1 of hummer HA, the other end connection circuit ground GND of hummer HA;
The positive pole of described 6V direct supply is connected with circuit anode VCC, and the negative pole of 6V direct supply is connected with circuit ground GND.
2. infrared remote controller signal testing device according to claim 1, is characterized in that: the positive pole of the LED 2 in direct supply indicating circuit is by resistance R 3 connection circuits positive pole VCC, the negative pole connection circuit ground GND of LED 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718749.5A CN103698023A (en) | 2013-12-23 | 2013-12-23 | Signal tester of infrared remote controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310718749.5A CN103698023A (en) | 2013-12-23 | 2013-12-23 | Signal tester of infrared remote controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103698023A true CN103698023A (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310718749.5A Pending CN103698023A (en) | 2013-12-23 | 2013-12-23 | Signal tester of infrared remote controller |
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| Country | Link |
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| CN (1) | CN103698023A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517438A (en) * | 2015-01-12 | 2015-04-15 | 周玉林 | Detector for properties of infrared remote controller |
| CN104732753A (en) * | 2015-04-09 | 2015-06-24 | 周云侠 | Universal performance tester for infrared remote controls |
| CN113311259A (en) * | 2021-04-29 | 2021-08-27 | 平顶山聚新网络科技有限公司 | Infrared test system based on electronic component |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2279035Y (en) * | 1997-01-07 | 1998-04-15 | 张东兴 | Fault detector for infrared remote-controlled emitter |
| CN2419604Y (en) * | 2000-04-27 | 2001-02-14 | 王文凯 | Signal tester for infrared remote controller for household electric appliances |
| US6449437B1 (en) * | 1999-10-20 | 2002-09-10 | Nittou Kougaku | Light emitting and receiving circuit, camera and optical device |
| JP3335911B2 (en) * | 1998-06-10 | 2002-10-21 | 大崎電気工業株式会社 | Optoelectronic circuit |
-
2013
- 2013-12-23 CN CN201310718749.5A patent/CN103698023A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2279035Y (en) * | 1997-01-07 | 1998-04-15 | 张东兴 | Fault detector for infrared remote-controlled emitter |
| JP3335911B2 (en) * | 1998-06-10 | 2002-10-21 | 大崎電気工業株式会社 | Optoelectronic circuit |
| US6449437B1 (en) * | 1999-10-20 | 2002-09-10 | Nittou Kougaku | Light emitting and receiving circuit, camera and optical device |
| CN2419604Y (en) * | 2000-04-27 | 2001-02-14 | 王文凯 | Signal tester for infrared remote controller for household electric appliances |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104517438A (en) * | 2015-01-12 | 2015-04-15 | 周玉林 | Detector for properties of infrared remote controller |
| CN104732753A (en) * | 2015-04-09 | 2015-06-24 | 周云侠 | Universal performance tester for infrared remote controls |
| CN113311259A (en) * | 2021-04-29 | 2021-08-27 | 平顶山聚新网络科技有限公司 | Infrared test system based on electronic component |
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Application publication date: 20140402 |