CN207475557U - Optical fiber electric wire receives and dispatches distribution system - Google Patents
Optical fiber electric wire receives and dispatches distribution system Download PDFInfo
- Publication number
- CN207475557U CN207475557U CN201721022174.3U CN201721022174U CN207475557U CN 207475557 U CN207475557 U CN 207475557U CN 201721022174 U CN201721022174 U CN 201721022174U CN 207475557 U CN207475557 U CN 207475557U
- Authority
- CN
- China
- Prior art keywords
- receiver
- radio frequency
- photelectric receiver
- antenna
- photoemitter
- 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.)
- Expired - Fee Related
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model discloses optical fiber electric wires to receive and dispatch distribution system, including ANT, photelectric receiver, radio frequency receiver and wireless microphone, the ANT includes antenna and photoemitter, antenna is fixedly connected by conducting wire with photoemitter, it is described to electromagnetic wave that sub-antenna receives frequency is 400-900MHz, ANT antenna bottoms can connect support, optical cable is equipped between the ANT and photelectric receiver, photelectric receiver back is equipped with multiple radio frequency interfaces, mixing cable one end is fixedly connected with the DC interfaces on the photoemitter on ATN and light end interface, the other end is connect with DC interfaces on photelectric receiver and light end interface, so as to form power supply and transmission optical signal；Coaxial cable is equipped between the photelectric receiver and radio frequency receiver to connect.The optical fiber electric wire receives and dispatches distribution system, by being equipped with photelectric receiver and radio frequency receiver within the system, to solve the remote transmission of low-power wireless radiofrequency signal, reduces loss and construction cost.
Description
Technical field
The utility model is related to fiber optic cable communications equipment technical fields, specially optical fiber electric wire transmitting-receiving distribution system.
Background technology
Currently as the small-power communication apparatus of wireless microphone class, the distance of many occasion reception antenna to computer rooms is distant,
Signal is guided to receiving terminal from antenna with traditional coaxial cable, the loss of signal is very big, must just add a grade signal gain device, this
Sample is readily incorporated noise, reduces signal-to-noise ratio, the requirement needed for us is not achieved.Such as conference and exhibition center, stadiums, big arenas,
School etc..If radiofrequency signal is changed into optical signal in antenna receiving terminal to transmit by single mode optical fiber, loss can be accomplished
Every kilometer of 0.15dB-0.35dB, and with every kilometer of loss of radiofrequency signal of conventional coaxial cable transmission 700Mhz in 180dB-
400dB.We devise a novel optical fiber electric wire transmitting-receiving distribution system thus, solve traditional optical fiber electric wire transmitting-receiving point
The problem of match system is inconvenient for use.
Utility model content
The purpose of this utility model is to provide optical fiber electric wires to receive and dispatch distribution system, to solve existing technological deficiency and not
Attainable technology requirement.
To achieve the above object, the utility model provides following technical solution：Optical fiber electric wire receives and dispatches distribution system, including
ATN, photelectric receiver, radio frequency receiver and wireless microphone, the ATN are internally provided with antenna and photoemitter, and antenna passes through
Conducting wire with and photoemitter be fixedly connected, the antenna be equipped with multiple reception stents, stent present echelon formation, stent table
Face absorbs RF waves, and the ATN bottoms are equipped with supporting rack, and optical cable, the photelectric receiver back of the body are equipped between the ATN and photelectric receiver
Portion is equipped with multiple jacks, and optical cable one end is fixedly connected with the photoemitter in ATN and connect, and the other end is connect by bolt and photoelectricity
It receives jack on device to be detachably connected, electric wire is equipped between the photelectric receiver and radio frequency receiver, electric wire both ends are by inserting
Pin is detachably connected with photelectric receiver and radio frequency receiver, and radio frequency receiver passes through between radio frequency receiver and wireless microphone
Electromagnetic wave connects.
Preferably, input interface is equipped with outside the photoemitter, photoemitter is internally provided with light source, driving electricity
Road, monitoring circuit and control circuit, photoemitter core component are light source and driving circuit.
Preferably, the photelectric receiver is made of photodetector, photoelectric receiving system and signal processing system, photoelectricity
Signal is transmitted by circuit board between detector, photoelectric receiving system and signal processing system.
Preferably, it is made of inside the wireless microphone multiple pocket transmitters and concentration receiver, each pocket hair
Penetrating machine, respectively there are one mutually different working frequencies.
Compared with prior art, the beneficial effects of the utility model are as follows：
Prior art radio frequency coaxial-cable is unable to long distance transmission, and the loss of signal is serious, and wireless receiving is unstable.New technology
Long distance transmission can be solved, loss of signal is small, and system, which receives, to be stablized.
Description of the drawings
Fig. 1 receives and dispatches distribution system configuration schematic diagram for the utility model optical fiber electric wire.
In figure：1-ANT, 2- photelectric receiver, 3- radio frequency receivers, 4- optical cables, 5- coaxial cables, 6- antennas, 7- photoelectricity
Transmitter, 8- wireless microphones.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described case study on implementation is only the utility model part of the embodiment rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：Optical fiber electric wire receives and dispatches distribution system, including ANT1, light
Electric receiver 2, radio frequency receiver 3 and wireless microphone 8, the ANT1 are internally provided with antenna 6 and photoemitter 7, and antenna 6 is logical
Cross conducting wire with and photoemitter 7 be fixedly connected, the antenna 6 be equipped with multiple receiving units, present echelon formation, component table
Face absorbs RF waves, and the ANT1 bottoms are equipped with supporting rack, and optical cable 4, opto-electronic receiver are equipped between the ANT1 and photelectric receiver 2
2 back of device is equipped with multiple jacks, and 4 one end of optical cable is fixedly connected with the photoemitter 7 in ANT1, and the other end passes through bolt and light
Jack is detachably connected on electric receiver 2, and electric wire 5,5 both ends of electric wire are equipped between the photelectric receiver 2 and radio frequency receiver 3
Be detachably connected by bolt and photelectric receiver 2 and radio frequency receiver 3, radio frequency receiver 3, radio frequency receiver 3 with it is wireless
It is connected between microphone 8 by electromagnetic wave.
7 outside of photoemitter is equipped with input interface, and photoemitter 7 is internally provided with light source, driving circuit, monitoring circuit
And control circuit, 7 core component of photoemitter be light source and driving circuit, photoemitter 7 will be sent from multiplexing equipment
HDB3 believes code conversion into NRZ codes；Then NRZ codes are compiled to be suitble to the pattern transmitted on lightguide cable link；Finally electrical/optical is carried out again
Conversion converts the electrical signal to optical signal and coupled into optical fibres.
Photelectric receiver 2 is made of photodetector, photoelectric receiving system and signal processing system, photodetector, light
Signal is transmitted by circuit board between electric reception system and signal processing system, and the task of photelectric receiver 2 is with the attached of minimum
Plus noise and distortion are recovered after optical fiber transmits as the information entrained by light carrier, therefore the output characteristics of photelectric receiver 2 is comprehensive
Close the performance for reflecting entire optical fiber telecommunications system.
It is made of inside wireless microphone 8 multiple pocket transmitters and concentration receiver, each pocket transmitter respectively has one
A mutually different working frequency concentrates receiver that can receive the different operating frequency that the pocket transmitter in each portion is sent out simultaneously
Voice signal.
After the utility model optical fiber electric wire transmitting-receiving distribution system RF signals are received by the stent on the antenna 6 in ATN1, day
After received signal is connect by line 6 by conducting wire with photoemitter 7, RF signals become light letter after being parsed by photoemitter 7
Number, optical signal is transmitted to by optical cable 4 in photelectric receiver 2, and optical signal is parsed into electric signal, electric signal by photelectric receiver 2
It is transmitted in radio frequency receiver 3 by electric wire 5, radio frequency receiver 3 converts optical signals into electromagnetic wave, and electromagnetic wave is by wireless microphone
After pocket receiving in 8, finally by receiver is concentrated to release, entire transmittance process distorted signals is smaller.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. optical fiber electric wire receives and dispatches distribution system, including ANT (1), photelectric receiver (2), radio frequency receiver (3) and wireless microphone
(8), it is characterised in that：The ANT (1) is internally provided with antenna (6) and photoemitter (7), and antenna (6) passes through conducting wire and and light
Electric transmitter (7) is fixedly connected, and the antenna (6) is equipped with the reception antenna end of different length, and echelon formation, antenna table is presented
Face absorbs RF waves, and ANT (1) bottom is equipped with supporting rack, and optical cable (4) is equipped between the ANT (1) and photelectric receiver (2),
Photelectric receiver (2) back is equipped with multiple jacks, and optical cable (4) one end is fixedly connected with the photoemitter (7) in ANT (1), separately
One end is detachably connected by bolt and jack on photelectric receiver (2), the photelectric receiver (2) and radio frequency receiver (3)
Between be equipped with cable (5), cable (5) both ends are detachably connected by bolt and photelectric receiver (2) and radio frequency receiver (3)
It connects, radio frequency receiver (3) is connect between radio frequency receiver (3) and wireless microphone (8) by electromagnetic wave.
2. optical fiber electric wire according to claim 1 receives and dispatches distribution system, it is characterised in that：The photoemitter (7) is outside
Portion is equipped with input interface, and photoemitter (7) is internally provided with light source, driving circuit, monitoring circuit and control circuit, photoemission
Device (7) core component is light source and driving circuit.
3. optical fiber electric wire according to claim 1 receives and dispatches distribution system, it is characterised in that：The photelectric receiver (2) by
Photodetector, photoelectric receiving system and signal distribution system composition, photodetector, photoelectric receiving system and signal processing system
Signal is transmitted by circuit board between system.
4. optical fiber electric wire according to claim 1 receives and dispatches distribution system, it is characterised in that：The wireless microphone (8) is internal
By multiple pocket transmitters and receiver is concentrated to form, respectively there are one mutually different working frequencies for each pocket transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022174.3U CN207475557U (en) | 2017-08-16 | 2017-08-16 | Optical fiber electric wire receives and dispatches distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721022174.3U CN207475557U (en) | 2017-08-16 | 2017-08-16 | Optical fiber electric wire receives and dispatches distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475557U true CN207475557U (en) | 2018-06-08 |
Family
ID=62256710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721022174.3U Expired - Fee Related CN207475557U (en) | 2017-08-16 | 2017-08-16 | Optical fiber electric wire receives and dispatches distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737612A (en) * | 2019-01-24 | 2019-05-10 | 海南职业技术学院 | Infra-red radiation air conditioner |
-
2017
- 2017-08-16 CN CN201721022174.3U patent/CN207475557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737612A (en) * | 2019-01-24 | 2019-05-10 | 海南职业技术学院 | Infra-red radiation air conditioner |
| CN109737612B (en) * | 2019-01-24 | 2021-08-20 | 海南职业技术学院 | Infrared radiation air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101454703A (en) | Electrical-optical cable for wireless systems | |
| CA2496530A1 (en) | A reconfigurable data communications system with a removable optical backplane connector | |
| CN102098688A (en) | Method, system and device for realizing MIMO (multiple input multiple output) of indoor distribution system | |
| CN207475557U (en) | Optical fiber electric wire receives and dispatches distribution system | |
| CN102158281A (en) | High-speed omni-directional wireless laser communication equipment | |
| CN102204402B (en) | Base station equipment and signal transmission method thereof | |
| CN204089823U (en) | A kind of transmission system adopting optical transmission medium to transmit wide-band analog radio-frequency signal | |
| CN208986942U (en) | A kind of wireless telecommunication system for Electro Magnetic Compatibility test | |
| CN105871458A (en) | Test board for testing parameters of optical module | |
| CN207218705U (en) | A kind of USB Type C signal long distance transmitters | |
| CN205945735U (en) | A circuit board for launching and receive bluetooth signal | |
| CN201234256Y (en) | Micro wireless laser video and audio transmission system | |
| CN101790112A (en) | Method, system and device for realizing intelligent subdistrict multinet fusion | |
| CN218240466U (en) | Optical fiber time delay device | |
| CN105812964B (en) | The sharing method and PON system of PON terminal device BOSA | |
| CN1284389C (en) | Mobile communication double frequency indoor signal optical fibre distribution system | |
| CN205693667U (en) | A kind of leakage cable monitoring system | |
| CN2842886Y (en) | Intelligent array antenna control device | |
| CN212752481U (en) | Optical fiber transmission system | |
| CN204882961U (en) | Diplopore multichannel light transceiver | |
| CN100441005C (en) | Wireless communication apparatus | |
| CN206650666U (en) | A kind of signal amplifying apparatus based on integrated optical fiber transceiver module | |
| CN212012661U (en) | Optical fiber repeater far-end machine | |
| CN104066019B (en) | The multistage beam-splitting structure system merged based on TWDM PON with wireless signal | |
| CN114286355B (en) | Active remote unit and indoor coverage system based on same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20210816 |