CN104753608A - Noise silencer used for wireless electronic communication device - Google Patents
Noise silencer used for wireless electronic communication device Download PDFInfo
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- CN104753608A CN104753608A CN201510067420.6A CN201510067420A CN104753608A CN 104753608 A CN104753608 A CN 104753608A CN 201510067420 A CN201510067420 A CN 201510067420A CN 104753608 A CN104753608 A CN 104753608A
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Abstract
The invention discloses a noise silencer used for a wireless electronic communication device. The noise silencer comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a phase-locked loop circuit tone decoder, a first diode, a second diode, a light-emitting diode, an either-or switch, a switch and a relay. The noise silencing of wireless communication is achieved mainly with the phase-locked loop circuit tone decoder as a core element, the capacitors and the resistors mainly play roles in current limiting and filtering, and therefore silencing is conducted on signals of the wireless electronic communication device. Compared with the prior art, on the basis of silencing of an existing wireless electronic communication device, secondary audio silencing is achieved, the problems of interference between same types of communication and poor silencing effects can be solved, the communication quality is effectively improved, and application and popularization value is achieved.
Description
Technical field
The present invention relates to a kind of wireless electronic communication apparatus assembly, particularly relate to a kind of noise silencer for wireless electronic communication apparatus.
Background technology
Radio communication mainly comprises microwave communication and satellite communication.Microwave is a kind of radio wave, and the distance that it transmits generally only has tens kms.But the frequency band of microwave is very wide, message capacity is very large.Microwave communication will build a microwave relay station every tens kms.Satellite communication utilizes communication satellite to set up microwave communication contact on the ground between two or more earth station or between moving body as relay station.But in prior art, the signal of wireless electronic communication is often interfered, or be subject to the impact of signal strength signal intensity, cause the Quality Down communicated, the noise in communication is excessive, affects proper communication, therefore, there is room for improvement.
Summary of the invention
Object of the present invention is just to provide a kind of noise silencer for wireless electronic communication apparatus to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes the first resistance to the 7th resistance, first electric capacity is to the 5th electric capacity, phase-locked loop circuit ATD, first diode, second diode, light-emitting diode, either-or switch, switch and relay, the first end of described either-or switch simultaneously with the first output, 7th pin of described phase-locked loop circuit ATD, the first end of described 6th electric capacity, the first end of described 3rd electric capacity, the first end of described second electric capacity is connected with the first end of described 7th electric capacity, second end of described either-or switch is connected with the first end of described 5th electric capacity and the first end of described 4th electric capacity simultaneously, 3rd end of described either-or switch simultaneously with the 8th pin of described phase-locked loop circuit ATD, the negative pole of described first diode, the first end of described 7th resistance, the positive pole of described second diode is connected with the first end of described relay, second end of described 5th electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is the second output, second end of described 4th electric capacity is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the first end of described 6th resistance and the 5th pin of described phase-locked loop circuit ATD simultaneously, second end of described 6th resistance is connected with the second end of described 6th electric capacity and the 6th pin of described phase-locked loop circuit ATD simultaneously, the two ends of the control switch of described relay are the 3rd output and the 4th output, described 3rd output is connected with the loud speaker positive pole of described wireless electronic communication apparatus, described 4th output is connected with the first end of described first resistance, second end of described first resistance is connected with the 3rd pin of described phase-locked loop circuit ATD by described first electric capacity, second end of described 7th electric capacity simultaneously with the 4th pin of described phase-locked loop circuit ATD, the first end of described switch, the first end of described second resistance, the positive pole of described light-emitting diode, the negative pole of described second diode, second end of described relay is connected with the 5th output, second end of described second electric capacity simultaneously with the first pin of described phase-locked loop circuit ATD, second end of described switch, the first end of described 3rd resistance is connected with the second end of described second resistance, second end of described 3rd resistance is connected with the positive pole of described first diode.
Beneficial effect of the present invention is:
The present invention is a kind of noise silencer for wireless electronic communication apparatus, compared with prior art, the present invention is on the noise elimination basis of original wireless electronic communication apparatus, realize secondary tone squelch, can overcome that homogeneous communications interferes with each other, the problem of noise elimination poor effect, effective raising communication quality, has the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes the first resistance R1 to the 7th resistance R7, first electric capacity C1 is to the 5th electric capacity C5, phase-locked loop circuit ATD IC, first diode VD1, second diode VD2, light-emitting diode VD, either-or switch S, switch S B and relay K, the first end of either-or switch S simultaneously with the first output P1, 7th pin of phase-locked loop circuit ATD IC, the first end of the 6th electric capacity C6, the first end of the 3rd electric capacity C3, the first end of the second electric capacity C2 is connected with the first end of the 7th electric capacity C7, second end of either-or switch S is connected with the first end of the 5th electric capacity C5 and the first end of the 4th electric capacity C4 simultaneously, 3rd end of either-or switch S simultaneously with the 8th pin of phase-locked loop circuit ATD IC, the negative pole of the first diode VD1, the first end of the 7th resistance R7, the positive pole of the second diode VD2 is connected with the first end of relay K, second end of the 5th electric capacity C5 is connected with the first end of the 5th resistance R5, second end of the 5th resistance R5 is the second output P2, second end of the 4th electric capacity C4 is connected with the first end of the 4th resistance R4, second end of the 4th resistance R4 is connected with the first end of the 6th resistance R6 and the 5th pin of phase-locked loop circuit ATD IC simultaneously, second end of the 6th resistance R6 is connected with second end of the 6th electric capacity C6 and the 6th pin of phase-locked loop circuit ATD IC simultaneously, the two ends of the control switch K1 of relay K are the 3rd output P3 and the 4th output P4, 3rd output P3 is connected with the loud speaker BL positive pole of wireless electronic communication apparatus, 4th output P4 is connected with the first end of the first resistance R1, second end of the first resistance R1 is connected with the 3rd pin of phase-locked loop circuit ATD IC by the first electric capacity C1, second end of the 7th electric capacity C7 simultaneously with the 4th pin of phase-locked loop circuit ATD IC, the first end of switch S B, the first end of the second resistance R2, the positive pole of light-emitting diode VD, the negative pole of the second diode VD2, second end of relay K is connected with the 5th output P5, second end of the second electric capacity C2 simultaneously with first pin of phase-locked loop circuit ATD IC, second end of switch S B, the first end of the 3rd resistance R3 is connected with second end of the second resistance R2, second end of the 3rd resistance R3 is connected with the positive pole of the first diode VD1.
When the present invention uses, by the control switch K1 of relay, the loud speaker BL of wireless electronic communication apparatus and wireless electronic communication apparatus are disconnected, take back in wireless electronic communication apparatus by the control switch K1 of relay again, namely the 3rd output P3 and the 4th output P4 takes back the breakpoint of wireless electronic communication apparatus, second output P2 gets involved the microphone signal end BM of wireless electronic communication apparatus, first output P1 accesses the negative pole of wireless electronic communication apparatus, and the 5th output P5 accesses the positive pole of wireless electronic communication apparatus.
Component parameter of the present invention is selected as follows:
First resistance R1 is 100 Ω, second resistance R2 is 400 Ω, 3rd resistance R3 is 500 Ω, 4th resistance R4 is 2k Ω, 5th resistance R5 is 27k Ω, 6th resistance R6 and the 7th resistance R7 is 200 Ω, first electric capacity C1 is 300uf, second electric capacity C2 is 470uf, 3rd electric capacity C3 is 100uf, 4th electric capacity C4 is 1000uf, 5th electric capacity C5 is 10uf, the model of phase-locked loop circuit ATD IC is LM567, the model of the first diode VD1 and the second diode VD2 is IN4148, light-emitting diode VD is 0.5W.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (1)
1. the noise silencer for wireless electronic communication apparatus, it is characterized in that: comprise the first resistance to the 7th resistance, first electric capacity is to the 5th electric capacity, phase-locked loop circuit ATD, first diode, second diode, light-emitting diode, either-or switch, switch and relay, the first end of described either-or switch simultaneously with the first output, 7th pin of described phase-locked loop circuit ATD, the first end of described 6th electric capacity, the first end of described 3rd electric capacity, the first end of described second electric capacity is connected with the first end of described 7th electric capacity, second end of described either-or switch is connected with the first end of described 5th electric capacity and the first end of described 4th electric capacity simultaneously, 3rd end of described either-or switch simultaneously with the 8th pin of described phase-locked loop circuit ATD, the negative pole of described first diode, the first end of described 7th resistance, the positive pole of described second diode is connected with the first end of described relay, second end of described 5th electric capacity is connected with the first end of described 5th resistance, second end of described 5th resistance is the second output, second end of described 4th electric capacity is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the first end of described 6th resistance and the 5th pin of described phase-locked loop circuit ATD simultaneously, second end of described 6th resistance is connected with the second end of described 6th electric capacity and the 6th pin of described phase-locked loop circuit ATD simultaneously, the two ends of the control switch of described relay are the 3rd output and the 4th output, described 3rd output is connected with the loud speaker positive pole of described wireless electronic communication apparatus, described 4th output is connected with the first end of described first resistance, second end of described first resistance is connected with the 3rd pin of described phase-locked loop circuit ATD by described first electric capacity, second end of described 7th electric capacity simultaneously with the 4th pin of described phase-locked loop circuit ATD, the first end of described switch, the first end of described second resistance, the positive pole of described light-emitting diode, the negative pole of described second diode, second end of described relay is connected with the 5th output, second end of described second electric capacity simultaneously with the first pin of described phase-locked loop circuit ATD, second end of described switch, the first end of described 3rd resistance is connected with the second end of described second resistance, second end of described 3rd resistance is connected with the positive pole of described first diode.
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CN201510067420.6A CN104753608A (en) | 2015-02-07 | 2015-02-07 | Noise silencer used for wireless electronic communication device |
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CN201510067420.6A CN104753608A (en) | 2015-02-07 | 2015-02-07 | Noise silencer used for wireless electronic communication device |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1045903A (en) * | 1989-03-23 | 1990-10-03 | 汤姆森消费电子有限公司 | Noise limited receiver during the power interruptions |
CN2167485Y (en) * | 1993-08-05 | 1994-06-01 | 全泽松 | Infrared monolithic wireless ear phone |
-
2015
- 2015-02-07 CN CN201510067420.6A patent/CN104753608A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1045903A (en) * | 1989-03-23 | 1990-10-03 | 汤姆森消费电子有限公司 | Noise limited receiver during the power interruptions |
CN2167485Y (en) * | 1993-08-05 | 1994-06-01 | 全泽松 | Infrared monolithic wireless ear phone |
Non-Patent Citations (1)
Title |
---|
李朝友: "二次音频静噪装置", 《现代通信》 * |
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Application publication date: 20150701 |