CN203775210U - Infrared voice transmission system - Google Patents
Infrared voice transmission system Download PDFInfo
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- CN203775210U CN203775210U CN201320890245.7U CN201320890245U CN203775210U CN 203775210 U CN203775210 U CN 203775210U CN 201320890245 U CN201320890245 U CN 201320890245U CN 203775210 U CN203775210 U CN 203775210U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
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- 239000003985 ceramic capacitor Substances 0.000 claims 6
- 230000010355 oscillation Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 description 12
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- 230000009514 concussion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model discloses an infrared voice transmission system comprising a voice signal infrared transmitting module. The infrared voice transmission system is characterized by further comprising a voice signal multi-angle transfer module which is used for receiving an infrared voice signal transmitted by the voice signal infrared transmitting module and transmitting the received infrared voice signal from different angles so that a propagation direction of the infrared voice signal is changed; and a voice signal infrared receiving and playing module which is used for receiving the infrared voice signal transmitted by the voice signal multi-angle transfer module and playing the infrared voice signal. Wireless directional transmission of the voice signal without mutual interference is realized by the infrared voice transmission system, and the modularized design is adopted by the overall system so that the system is simple in operation, low in price, suitable for occasions of televisions, home theaters, cinemas and so on, and thus the system has wide application value and market prospect.
Description
Technical field
The utility model relates to a kind of infrared voice transmission system, particularly relating to one can send voice signal by infrared multi-angle, and can be by utilizing infrared receiving diode to carry out a kind of infrared voice transmission system of multi-angle received speech signal after the transfer of infrared receiving/transmission diode multi-angle.
Background technology
Along with the development of mechanics of communication and information technology, people are more and more higher to the requirement of communication equipment.People more and more use small and exquisite, easy to carry, the powerful voice communication apparatus of volume, utilize the infrared wireless transmission method that carries out to have plurality of advantages compared with wire transmission: without installing electric wiring, large and the wide coverage of angular range, can accomplish not limited by geographical environment; Being of high quality of voice signal, the error rate is very low; In the time breaking down, can find out fast reason, recover normally operation; Security performance is good.This system is provided with multi-angle transfer simultaneously, is widely used, and has huge advantage in fields such as productive life and industry, and its advantage can be summarized as:
1, comply with the trend of era development
On June 18th, 2009, executive committee of European Union delivers " Internet of Things: European action plan ", and system proposes planning and the blueprint for action of development Internet of Things.August 7, Premier Wen Jiabao inspects Wuxi, proposes " perception China " plan, pulls open the curtain of Chinese Internet of Things development.Internet of Things is the product of era development, is inexorable trend, and the present invention can perfectly apply in Internet of things system, realizes Real-Time Voice Transmission, multi-angle transmission.
2, human resources have been saved
This infrared voice transmission system can be controlled in office by user, and voice transfer is arrived to each position of indoor and outdoor.By the light on and off of alarm lamp, can accurately judge player without voice time, be that transmit leg does not send, or intermediate conveyor process is interrupted.Whole operating process can be born separately by a people, without commander.Mobile easy to use, receiving range is not subject to the interference of wire rod
3, disguised strong
The whole transmitting procedure of infrared voice transmission system is all undertaken by infrared, does not have visible ray to occur, disguised strong, reduces light pollution.
4, improved fail safe reliability
Owing to saving lengthy and jumbled circuit, thereby avoid due to the improper or operating personnel's wiring of the commander accident causing of slipping up; Add multi-angle transit module, can realize arbitrarily angled sending and receiving, solved the shortcoming that infrared transmission cannot be turned round, its scope of application is expanded.Use the infrared transmitting audio data that carries out, while having avoided using the transmission of electromagnetic wave wireless device, the injury of the electromagnetic wave of generation to the person, reduces electromagnetic intensity in environment, and fail safe improves greatly.
5, reduced manufacture and maintenance cost
This infrared voice transmission system circuit is simple, and volume is small and exquisite, easy to carry, powerful.Low cost of manufacture, infrared diode long service life, device is changed quick, greatly reduces maintenance cost.
The Heterosis of the advantage of this infrared voice transmission system in family's interaction entertainment is obvious, and in other voice transfer field, advantage is also very outstanding simultaneously, mainly includes:
1, wireless microphone: user singing, speech or when performance can 360 degree any rotation and movements, the puzzlement of can live wire not tripping, holding back.Can not be subject to producing of the electronic equipments such as mobile phone electromagnetic interference, there will not be staccato phenomenon.
2, radio broadcasting: teacher is saying class hour use, can allow teacher freely walk about in classroom, with student's interaction, improves the efficiency of listening to the teacher greatly.
3, the wireless device of peddling: while promoting the sale of goods in the street, peddle and there is certain novelty with wireless microphone, but the wireless microphone of market is generally all more expensive, ordinary individual or group are difficult to pay the purchase cost of great number, this infrared voice transmission system circuit is simple, and volume is small and exquisite, easy to carry, low cost of manufacture, cheap, use colony large.
4, wireless interspeaker: due to can radio transmission sound, therefore also can radio transmission doorbell sound, pairing can also be repacked wireless interspeaker into.
5, wireless electron musical instrument: the musical instrument sounds such as mouth organ, urheen, guitar are received with broadcast receiver, or expand and broadcast with power amplifier, better music appreciating.
6, small-sized broadcasting station: be applicable to the units such as school, factory and hold voluntarily various programs, can play music, news, notice etc., play with sound equipment.
7, TV sound conversion tranmiting device: listen and do not affect others' sleep with earphone while seeing TV, but be subject to the control of earphone line length.This device can be not limited.
Along with the development of voice transfer technology, radio speech transmitting device is all widely applied, and market prospects are very wide.
Based on above analysis, the utility model proposes a kind of feature richness, simplicity of design, easy to use, low cost, safe a kind of infrared voice receiving system, the application of this device can effectively improve the accuracy that infrared voice signal receives, and improve transmission range, can meet productive life needs, and there is market value widely.
Summary of the invention
Technical problem to be solved in the utility model is, proposed a kind of simplicity of design, and modular construction is removable, a kind of infrared voice transmission system cheaply
The technical scheme that the utility model adopts is: a kind of infrared voice transmission system, mainly include the infrared sending module of voice signal, it is characterized in that, also include the infrared voice signal that voice signal multi-angle transit module sends for the infrared sending module of received speech signal, and can the infrared voice signal receiving being sent from different angles, thereby the direction of propagation of change infrared voice signal; The infrared voice signal that the infrared reception playing module of voice signal sends for received speech signal multi-angle transit module is also play.
The infrared sending module of described voice signal comprises stereophone female socket J1, ceramic disc capacitor C1, C3, electrochemical capacitor C2, adjustable resistance RP1, resistance R 1, triode VT1, infrared-emitting diode D1, D2, wherein, a end of described stereophone female socket J1 is connected with a end of ceramic disc capacitor C1, and b end is connected to the ground; The a end of described ceramic disc capacitor C1 is connected with the b end of triode VT1, for voice signal the formation concussion of the input that is coupled; The a end of described electrochemical capacitor C2 is connected with a end of ceramic disc capacitor C3, and b end is connected with the b end of ceramic disc capacitor C3; The a end of described ceramic disc capacitor C3 is connected with+12 volts of DC power supply, and b holds ground connection, for coordinating with electrochemical capacitor C2 the High-frequency Interference of removing power supply; The a end of described adjustable resistance RP1 is connected with+12 volts of DC power supply, and b end is connected with the b end of triode VT1, is used to the base stage of triode VT1 that bias voltage is provided; The a end of described triode VT1 is connected with the b end of resistance R 1, for the signal of the b end input of triode VT1 is amplified; The a end of described infrared-emitting diode D1 is connected with the c end of triode VT1, and the b end of infrared-emitting diode D1 is connected with a end of infrared-emitting diode D2, for strengthening infrared fan-out capability; The b end ground connection of described infrared-emitting diode D2.
The course of work of the present invention: by stereophone female socket input speech signal, connect 12V DC power supply to the infrared sending module of voice signal, now voice signal has started to send.If straight line receives, do not need to place voice signal multi-angle voice transit module, directly infrared voice signal reception playing module is connected to 5V DC power supply and sound-box device, and place it in the infrared sending module of voice signal substantially point-blank.In the time there is barrier in used environment, need to install the infrared sending module of voice signal.Voice signal multi-angle voice transit module is arranged on to eminence, connects respectively 5V and 12V DC power supply, can realize the accessible transmission of optional position voice signal.A kind of infrared voice receiving system of the design, has market value and application prospect widely.
Brief description of the drawings
Fig. 1 is system architecture diagram
Fig. 2 is the infrared sending module circuit diagram of voice signal
Wherein:
1: the infrared sending module of voice signal
2: voice signal multi-angle transit module
3: the infrared reception playing module of voice signal
Embodiment
Below in conjunction with embodiment and accompanying drawing, the infrared language transmission system of one of the present utility model is described in detail.
As shown in Figure 1, a kind of infrared voice transmission system of the present utility model, include the infrared sending module 1 of voice signal, it is characterized in that, also include the infrared voice signal that voice signal multi-angle transit module 2 sends for the infrared sending module 1 of received speech signal, and can the infrared voice signal receiving being sent from different angles, thereby the direction of propagation of change infrared voice signal; The infrared voice signal that the infrared reception playing module 3 of voice signal sends for received speech signal multi-angle transit module 2 is also play.
As shown in Figure 2, the infrared sending module 1 of described voice signal comprises stereophone female socket J1, ceramic disc capacitor C1, C3, electrochemical capacitor C2, adjustable resistance RP1, resistance R 1, triode VT1, infrared-emitting diode D1, D2, wherein, the a end of described stereophone female socket J1 is connected with a end of ceramic disc capacitor C1, and b end is connected to the ground; The a end of described ceramic disc capacitor C1 is connected with the b end of triode VT1, for voice signal the formation concussion of the input that is coupled; The a end of described electrochemical capacitor C2 is connected with a end of ceramic disc capacitor C3, and b end is connected with the b end of ceramic disc capacitor C3; The a end of described ceramic disc capacitor C3 is connected with+12 volts of DC power supply, and b holds ground connection, for coordinating with electrochemical capacitor C2 the High-frequency Interference of removing power supply; The a end of described adjustable resistance RP1 is connected with+12 volts of DC power supply, and b end is connected with the b end of triode VT1, is used to the base stage of triode VT1 that bias voltage is provided; The a end of described triode VT1 is connected with the b end of resistance R 1, for the signal of the b end input of triode VT1 is amplified; The a end of described infrared-emitting diode D1 is connected with the c end of triode VT1, and the b end of infrared-emitting diode D1 is connected with a end of infrared-emitting diode D2, for strengthening infrared fan-out capability; The b end ground connection of described infrared-emitting diode D2.
This infrared voice transmission system, reasonable in design, can use infrared transmission voice signal, and can change according to actual needs direction of transfer, and modularized design, cost is reasonable, cost performance is high, portable strong, can realize the extensive use in audiovisual industry, there is market value widely if promote.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890245.7U CN203775210U (en) | 2013-12-31 | 2013-12-31 | Infrared voice transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320890245.7U CN203775210U (en) | 2013-12-31 | 2013-12-31 | Infrared voice transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203775210U true CN203775210U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320890245.7U Expired - Fee Related CN203775210U (en) | 2013-12-31 | 2013-12-31 | Infrared voice transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203775210U (en) |
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2013
- 2013-12-31 CN CN201320890245.7U patent/CN203775210U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20141231 |
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| EXPY | Termination of patent right or utility model |