CN108574909A - A kind of radio microphone system network nodes being integrated in active audio amplifier - Google Patents
A kind of radio microphone system network nodes being integrated in active audio amplifier Download PDFInfo
- Publication number
- CN108574909A CN108574909A CN201810659357.9A CN201810659357A CN108574909A CN 108574909 A CN108574909 A CN 108574909A CN 201810659357 A CN201810659357 A CN 201810659357A CN 108574909 A CN108574909 A CN 108574909A
- Authority
- CN
- China
- Prior art keywords
- audio
- antenna
- integrated
- microphone system
- sound box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000005236 sound signal Effects 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a kind of radio microphone system network nodes being integrated in active audio amplifier, including sound box bodies, antenna, audio frequency processing circuit, power amplifier, loud speaker, POE power supply modules and wireless communication module are provided in sound box bodies, Ethernet interface is provided in sound box bodies, by the way that Ethernet interface is arranged, extraneous audio signal can be received or outwardly transmit audio signal, can be realized and be powered by network interface.Module it can also control wireless launcher by radio communication.By the way that antenna and audio receiving circuit are integrated on active audio amplifier, it can be achieved directly to receive the audio carrier signal of wireless launcher by speaker and exported, to exempt the connection line between antenna and radio receiver, radio receiver and speaker, effectively simplify the wiring of radio microphone system, the wiring efficiency at scene is improved, maintenance difficulties are reduced.
Description
Technical field
The present invention relates to radio microphone system regions, especially a kind of radio microphone system being integrated in active audio amplifier
Network node.
Background technology
The scenes such as convention, speech and concert can use and arrive microphone system in daily life, this
The usage scenario general area of type is all bigger, in order to expand the range of receiving of radio receiver and improve voice quality,
Antenna would generally be set up using only pole, is then connected respectively with corresponding radio receiver again, a usual nothing
Line reception device can connect a plurality of antenna.Last radio receiver is connect with speaker again.When antenna required in using area,
When radio receiver and more speaker quantity, the circuit between antenna and radio receiver, radio receiver and speaker
Quantity will necessarily be very much, are easy to so that the circuit at scene becomes mixed and disorderly, increase the difficulty of cloth field in this way, and when asking
It is unfavorable for the Quick overhaul at scene when topic.
Invention content
To solve the above problems, the purpose of the present invention is to provide a kind of radio microphone systems being integrated in active audio amplifier
Network node, antenna, radio receiver and active audio amplifier is integrated, exempt antenna and radio receiver, wireless receiving
Connection line between device and active audio amplifier.
Technical solution is used by the present invention solves the problems, such as it：
A kind of radio microphone system network nodes being integrated in active audio amplifier, including it is used to receive wireless launcher sound
The antenna and sound box bodies of frequency carrier signal, the built-in antenna or are placed outside sound box bodies, and loud speaker is provided in the sound box bodies,
It is provided with Ethernet interface in the sound box bodies；Audio frequency processing circuit, the audio frequency processing circuit packet are additionally provided in sound box bodies
Audio receiving circuit, audio output circuit and power amplifier are included, the antenna is connect with the input terminal of audio receiving circuit, the audio
Receiving circuit includes a Digital audio output port, and the Digital audio output port of audio receiving circuit is connect with Ethernet interface；Institute
The output end for stating audio output circuit is connect by power amplifier with loud speaker, and the audio output circuit is inputted including a digital audio
End, the digital audio input are connect with Ethernet interface.
Further, the audio receiving circuit includes receiving circuit and ADC module, the receiving circuit, ADC module sum number
Word audio output is sequentially connected.
Further, the audio output circuit includes DAC module, the DAC module respectively with digital audio input, work(
Put connection.
Further, the antenna is log-periodic antenna.
Further, further include wireless communication module for sending from control instruction to wireless launcher, at the audio
It further includes MCU to manage circuit, and the remote control port for receiving remote control commands, the channel radio are provided on the MCU
Letter module is connect with the MCU, and the remote control port is connect with the Ethernet interface.
Further, further include POE power supply modules for powering for the audio frequency processing circuit, the POE power supply modules
It is connect respectively with the audio frequency processing circuit, Ethernet interface.
The beneficial effects of the invention are as follows：A kind of radio microphone grid being integrated in active audio amplifier that the present invention uses
Node, by the way that Ethernet interface is arranged, extraneous audio signal can be received or outwardly transmits audio signal；By by antenna
It is integrated on active audio amplifier with audio receiving circuit, it can be achieved that directly receiving the sound carrier letter of wireless launcher by speaker
Number and exported, to exempt the connection line between antenna and radio receiver, radio receiver and speaker, effectively
The wiring for simplifying radio microphone system, the wiring efficiency at the scene of improving reduce maintenance difficulties.
Description of the drawings
The invention will be further described with example below in conjunction with the accompanying drawings.
Fig. 1 is the schematic block circuit diagram of the present invention.
Specific implementation mode
Shown in referring to Fig.1, a kind of radio microphone system network nodes being integrated in active audio amplifier of the invention, including with
In the antenna and sound box bodies that receive wireless launcher audio carrier signal, the built-in antenna or sound box bodies are placed outside, it is described
It is provided with loud speaker 1 in sound box bodies, Ethernet interface 2 is provided in the sound box bodies；Audio frequency process is additionally provided in sound box bodies
Circuit 3, the audio frequency processing circuit 3 include MCU31, audio receiving circuit, audio output circuit and power amplifier 34, the antenna with
The input terminal of audio receiving circuit connects, and the audio receiving circuit includes a Digital audio output port 331, audio receiving circuit
Digital audio output port 331 connect with Ethernet interface 2；The output end of the audio output circuit by power amplifier 34 with raise one's voice
Device 1 connects, and the audio output circuit includes a digital audio input 351, the digital audio input 351 and Ethernet
Interface 2 connects.The audio receiving circuit includes receiving circuit 32 and ADC module 33, the receiving circuit 32, ADC module 33
It is sequentially connected with Digital audio output port 331.The audio output circuit includes DAC module 35, the DAC module 35 respectively and
Digital audio input 351, power amplifier 34 connect.
Preferably due to which the working band of log-periodic antenna is wide, emission effciency is high, and simple in structure, therefore this implementation
Antenna circuit 1 described in example is log-periodic antenna circuit.
The present invention is additionally provided with the wireless communication module 4 for sending control instruction to wireless launcher and is used for as institute
The POE power supply modules 5 of the power supply of audio frequency processing circuit 3 are stated, are provided on the MCU31 for receiving the long-range of remote control commands
Control port 311, the wireless communication module 4 are connect with the MCU31, the remote control port 311 and the Ethernet
Interface 2 connects.The POE power supply modules 5 are connect with the audio frequency processing circuit 3, Ethernet interface 2 respectively.
Specific work process of the present invention is described further below.
The present invention can be realized simultaneously the function of antenna, radio receiver and speaker.Come from wireless launcher
Audio carrier signal is directly exported from loud speaker 1 after antenna receives after can directly being handled by audio frequency processing circuit 3.
By Ethernet interface 2, the present invention can be communicated with access network based on ethernet, can be received by Dante agreements outer
The audio signal on boundary outwardly transmits audio signal.Dante audio transmission protocols are a kind of based on Ethernet transmission audio
The agreement of signal can effectively reduce transmission delay in such a way that Ethernet transmits audio signal, improve the matter of audio signal
Amount.
It is the course of work that the present invention receives that wireless launcher audio carrier signal is output to network below：Come from nothing
The audio carrier signal of line emitter is received by antenna, is converted into digital audio and video signals by ADC module 33 and is transmitted to net
In network, digital audio and video signals are converted to analog audio signal and can export by the output equipment for being linked into network again.
It is the course of work that the present invention receives the output of network sound intermediate frequency signal below：The audio signal come from network is logical
It crosses Ethernet interface and is transmitted to audio output circuit, digital audio and video signals are converted to by analog audio signal by DAC module 35, then
It can be exported from loud speaker 1 after carrying out power amplification by power amplifier 34.
The Ethernet interface 2 is connected with the network switching equipment of interchanger or other support POE functions by cable
It connects, you can while realization is communicated by Ethernet, audio frequency processing circuit 3 is powered by POE power supply modules 5,
Power circuit need not be separately provided again, to effectively simplify the field wiring of radio microphone system.
After access network based on ethernet of the present invention, remote control can also be realized.Network node can pass through remote control port 311
Control instruction of mobile phone or apparatus such as computer, such as control wireless launcher switch, adjusting frequency etc. are received, MCU31 is
Module 4 corresponding instruction can be sent to wireless launcher execution by radio communication, so as to without additionally in speaker
Upper setting controls corresponding button and liquid crystal display, effectively reduces the space hold of speaker.
The present invention can receive extraneous audio signal or outwardly transmit audio signal by setting Ethernet interface 2,
The network node that can be used as in radio microphone system uses；By the way that antenna and audio receiving circuit are integrated into active sound
, it can be achieved that directly receiving the audio carrier signal of wireless launcher by speaker and being exported, to exempt antenna on case
With the connection line between radio receiver, radio receiver and speaker, effectively simplify the wiring of radio microphone system,
The wiring efficiency at scene is improved, maintenance difficulties are reduced.
The above, only presently preferred embodiments of the present invention, the invention is not limited in the above embodiments, as long as
It reaches the technique effect of the present invention with identical means, should all belong to the scope of protection of the present invention.
Claims (6)
1. a kind of radio microphone system network nodes being integrated in active audio amplifier, it is characterised in that：It is wireless including being used to receive
The antenna and sound box bodies of emitter audio carrier signal, the built-in antenna or are placed outside sound box bodies, are set in the sound box bodies
It is equipped with loud speaker (1), Ethernet interface (2) is provided in the sound box bodies；Audio frequency processing circuit is additionally provided in sound box bodies
(3), the audio frequency processing circuit (3) includes audio receiving circuit, audio output circuit and power amplifier (34), the antenna and audio
The input terminal of receiving circuit connects, and the audio receiving circuit includes a Digital audio output port (331), audio receiving circuit
Digital audio output port (331) is connect with Ethernet interface (2)；The output end of the audio output circuit by power amplifier (34) with
Loud speaker (1) connects, and the audio output circuit includes a digital audio input (351), the digital audio input
(351) it is connect with Ethernet interface (2).
2. a kind of radio microphone system network nodes being integrated in active audio amplifier according to claim 1, feature exist
In：The audio receiving circuit includes receiving circuit (32) and ADC module (33), the receiving circuit (32), ADC module (33)
It is sequentially connected with Digital audio output port (331).
3. a kind of radio microphone system network nodes being integrated in active audio amplifier according to claim 1, feature exist
In：The audio output circuit includes DAC module (35), the DAC module (35) respectively with digital audio input (351),
Power amplifier (34) connects.
4. a kind of radio microphone system network nodes being integrated in active audio amplifier according to claim 1, feature exist
In：The antenna is log-periodic antenna.
5. a kind of radio microphone system network nodes being integrated in active audio amplifier according to claim 1, feature exist
In：Further include the wireless communication module (4) for sending control instruction to wireless launcher, the audio frequency processing circuit (3)
Further include (31) MCU, the remote control port (311) for receiving remote control commands is provided on the MCU (31), it is described
Wireless communication module (4) is connect with the MCU (31), and the remote control port (311) connects with the Ethernet interface (2)
It connects.
6. a kind of radio microphone system network nodes being integrated in active audio amplifier according to claim 1, feature exist
In：Further include for the POE power supply modules (5) for the audio frequency processing circuit (3) power supply, the POE power supply modules (5) are respectively
It is connect with the audio frequency processing circuit (3), Ethernet interface (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659357.9A CN108574909A (en) | 2018-06-22 | 2018-06-22 | A kind of radio microphone system network nodes being integrated in active audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810659357.9A CN108574909A (en) | 2018-06-22 | 2018-06-22 | A kind of radio microphone system network nodes being integrated in active audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108574909A true CN108574909A (en) | 2018-09-25 |
Family
ID=63572168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810659357.9A Pending CN108574909A (en) | 2018-06-22 | 2018-06-22 | A kind of radio microphone system network nodes being integrated in active audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108574909A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649980A (en) * | 2018-06-22 | 2018-10-12 | 恩平市恩宝电子有限公司 | A kind of antenna integrated radio microphone reception device based on POE power supplies |
| CN112073876A (en) * | 2020-04-16 | 2020-12-11 | 音王电声股份有限公司 | Self-adaptive pickup all-in-one machine control system |
| CN113556144A (en) * | 2021-06-18 | 2021-10-26 | 珠海惠威科技有限公司 | Wireless audio transmission system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206908870U (en) * | 2017-07-03 | 2018-01-19 | 上海博润天电脑科技有限公司 | A kind of wireless aps with function of loudspeaker box |
-
2018
- 2018-06-22 CN CN201810659357.9A patent/CN108574909A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206908870U (en) * | 2017-07-03 | 2018-01-19 | 上海博润天电脑科技有限公司 | A kind of wireless aps with function of loudspeaker box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649980A (en) * | 2018-06-22 | 2018-10-12 | 恩平市恩宝电子有限公司 | A kind of antenna integrated radio microphone reception device based on POE power supplies |
| CN112073876A (en) * | 2020-04-16 | 2020-12-11 | 音王电声股份有限公司 | Self-adaptive pickup all-in-one machine control system |
| CN113556144A (en) * | 2021-06-18 | 2021-10-26 | 珠海惠威科技有限公司 | Wireless audio transmission system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020248529A1 (en) | Distributed antenna system, method and apparatus | |
| CN103716459B (en) | A kind of audio system having mobile phone and intercom call function concurrently | |
| CN108574909A (en) | A kind of radio microphone system network nodes being integrated in active audio amplifier | |
| CN103227965A (en) | Android intercom system based on WiFi network | |
| WO2021109203A1 (en) | 5g signal radio frequency distribution system | |
| WO2021120244A1 (en) | Radio frequency front-end module used for 5g non-standalone and supporting lte/nr dual connection | |
| CN101711021B (en) | Mobile terminal | |
| US9338275B2 (en) | Terminal network for wireless voice communication | |
| CN108270992A (en) | A kind of intelligent glasses | |
| CN204859167U (en) | Portable short wave communication radio station | |
| CN208836420U (en) | A kind of intelligent radio sound box system | |
| CN208353326U (en) | A kind of antenna integrated radio microphone reception device based on POE power supply | |
| CN203261347U (en) | Multichannel wireless audio transmission system | |
| CN209659561U (en) | Support the speaker and system of voice communication | |
| CN202979266U (en) | Bluetooth session handle with long battery life | |
| CN207884622U (en) | A kind of frequency modulation system of multiband interphone | |
| CN108649980A (en) | A kind of antenna integrated radio microphone reception device based on POE power supplies | |
| CN206672626U (en) | A kind of special high-fidelity Wireless pickup of musical instrument | |
| CN108881562A (en) | A kind of CD grades of audio communication system | |
| CN201142687Y (en) | Digital audio broadcast addressing terminal | |
| CN200941676Y (en) | Receiver having weather information broadcast function | |
| CN205377857U (en) | Digital interphone | |
| CN201025718Y (en) | A TV set with wireless audio radiation and receiving device | |
| CN207399198U (en) | A kind of intercom combined system of intercom docking station and the application docking station | |
| CN216134569U (en) | Wireless microphone system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180925 |