CN107613265A - A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference - Google Patents
A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference Download PDFInfo
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- CN107613265A CN107613265A CN201710968324.8A CN201710968324A CN107613265A CN 107613265 A CN107613265 A CN 107613265A CN 201710968324 A CN201710968324 A CN 201710968324A CN 107613265 A CN107613265 A CN 107613265A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
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- 239000000835 fiber Substances 0.000 claims abstract description 76
- 239000013307 optical fiber Substances 0.000 claims abstract description 36
- 238000012360 testing method Methods 0.000 abstract description 19
- 230000005670 electromagnetic radiation Effects 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 2
- 230000036039 immunity Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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Abstract
A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference of the present invention belongs to the technical field of electromagnetic compatibility test, and structure has shielding box (1), conductive film (2), portable ups power (3), web camera (4), the first netting twine (5), the first fiber optical transceiver (6), optical fiber (7), the second fiber optical transceiver (8), the second netting twine (9) and remote control computer (10).The present invention collectively forms complete shield using shielding box and conductive film, portable ups power is used to provide independent power supply for web camera, the first fiber optical transceiver, the transmitted in both directions of audio-video signal and control signal is carried out using WDM optical fiber transmission system, solves monitored picture disruption caused by web camera is disturbed by strong electromagnetic radiation, the audio and video remote on-line monitoring of Device under test state under strong electromagnetic radiation environment is realized, is had broad application prospects in electromagnetic compatibility test field.
Description
Technical field
The invention belongs to technical field of electromagnetic compatibility measurement, in particular, is related to a kind of anti-electromagnetic-radiation interference
Audio and video remote online monitoring system.
Background technology
The state of monitoring Device under test in real time is needed in radiated immunity test, while to avoid strong electromagnetic radiation to examination
Test the injury of personnel.Especially in strong electromagnetic radiation environment, the electric-field intensity of Device under test areas adjacent is up to hundreds of even
Tens of thousands of volt per metres, coupled interference voltage can be up to tens to hundreds of volts on the external cable of web camera, monitoring device
Is there is the problem of monitored picture interruption by serious electromagnetic interference at the strong electromagnetic radiation interference effect moment in itself.It is Chinese special
A kind of audio/video monitor and control system based on optical fiber transmission that sharp CN103945172A is announced by optical fiber transmit front-end camera and
The vision signal and audio signal of sound pick-up collection, but the fibre-optic transmission system (FOTS) can only carry out the one-way transmission of audio-video signal,
And front-end camera does not possess anti-strong electromagnetic radiation interference performance, actually it is difficult to meet Device under test in radiated immunity test
The remote on-line monitoring demand of state.Therefore, it is online to research and develop a kind of audio and video remote that can be worked under strong electromagnetic radiation environment
Monitoring system has broad application prospects and market Transformation Potential.
The content of the invention
The technical problem to be solved in the present invention is that solve to monitor picture caused by web camera is disturbed by strong electromagnetic radiation
A kind of face disruption, there is provided audio and video remote online monitoring system of anti-electromagnetic-radiation interference.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference, its structure have web camera 4, the first net
Line 5 and remote control computer 10, it is characterised in that structure also has shielding box 1, conductive film 2, portable ups power 3,
One fiber optical transceiver 6, optical fiber 7, the second fiber optical transceiver 8 and the second netting twine 9；
Portable ups power 3, web camera 4, the first netting twine 5 and the first fiber optical transceiver 6 are placed in the inside of shielding box 1,
Conductive film 2 pastes the reserved camera lens of web camera 4 in the surface of shielding box 1 and corresponds to hole location, and portable ups power 3 is
Web camera 4, the first fiber optical transceiver 6 provide independent power supply supply；The audio-video interface of web camera 4 passes through first
Netting twine 5 is connected with the electric signal interface of the first fiber optical transceiver 6；The optical signal interface of first fiber optical transceiver 6 and the one of optical fiber 7
End connection, the other end of optical fiber 7 are connected with the optical signal interface of the second fiber optical transceiver 8；The electric signal of second fiber optical transceiver 8
Interface is connected by the second netting twine 8 with the network interface of remote control computer 10.
The first described fiber optical transceiver 6 can specifically use following structure：The electric signal interface of first fiber optical transceiver 6 point
It is not connected with the input of wavelength 1550nm transmitter modules that is internally integrated, the output end of 1310nm receiving modules, wavelength
The output end of 1550nm transmitter modules, the input of 1310nm receiving modules are internally integrated with the first fiber optical transceiver 6 respectively
1550nm ports, the 1310nm ports of wavelength division multiplexer are connected, the public port of wavelength division multiplexer and the first fiber optical transceiver 6
Optical signal interface is connected；Described electric signal interface is RJ45 interfaces, and the optical signal interface is SC type optical interfaces.
The second described fiber optical transceiver 8 can specifically use following structure：The optical signal interface of second fiber optical transceiver 8 with
The public port for the wavelength division multiplexer being internally integrated is connected, 1550nm ports, 1310nm ports and the second light of wavelength division multiplexer
The input for the wavelength 1550nm receiving modules that fine transceiver 8 is internally integrated, the output end of 1310nm transmitter modules are connected, wavelength
The electric signal of the output end of 1550nm receiving modules, the input of 1310nm transmitter modules respectively with the second fiber optical transceiver 8 connects
Mouth is connected, and described optical signal interface is SC type optical interfaces, and electric signal interface is RJ45 interfaces.
The beneficial effects of the invention are as follows：
1st, the audio and video remote online monitoring system of anti-electromagnetic-radiation of the invention interference uses shielding box and conductive film
Complete shield is collectively formed, and it is independent to use portable ups power to be provided for web camera, the first fiber optical transceiver
Power supply supplies, and solves monitored picture disruption caused by web camera is disturbed by strong electromagnetic radiation；
2nd, the audio and video remote online monitoring system of anti-electromagnetic-radiation of the invention interference is transmitted using wavelength-division multiplex optical fiber
System carries out the transmitted in both directions of audio-video signal and control signal, realizes the sound of Device under test state under strong electromagnetic radiation environment
Video Remote on-line monitoring, its electromagnetic compatibility test field have broad application prospects and market Transformation Potential.
Brief description of the drawings：
Fig. 1 is a kind of overall structure signal of the audio and video remote online monitoring system of anti-electromagnetic-radiation interference of the present invention
Figure.
Fig. 2 is a kind of internal structure schematic diagram of the first fiber optical transceiver 6 described in embodiment 2.
Fig. 3 is a kind of internal structure schematic diagram of the second fiber optical transceiver 8 described in embodiment 3.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, being given for example only property of following examples explanation, no
It is understood that as the limitation to this patent.
The overall structure of the present invention of embodiment 1
Refering to Fig. 1, a kind of anti-electromagnetic-radiation of the invention interference audio and video remote online monitoring system by shielding box 1,
Conductive film 2, portable ups power 3, web camera 4, the first netting twine 5, the first fiber optical transceiver 6, optical fiber 7, the second optical fiber
Transceiver 8, the second netting twine 9 and remote control computer 10.
The material of described shielding box 1 is aluminium alloy, the hole of its camera lens size of surface reservation networks video camera 4, internal
Place portable ups power 3, web camera 4, the first netting twine 5 and the first fiber optical transceiver 6.
Described conductive film 2 pastes the reserved camera lens of web camera 4 in the surface of shielding box 1 and corresponds to hole location, its
Complete shield is collectively formed with shielding box 1, web camera 4 is effectively protected under strong electromagnetic radiation environment.
Described portable ups power 3 is web camera 4, the first fiber optical transceiver 6 provides independent power supply supply,
Avoid causing equipment to be disturbed by strong electromagnetic radiation because of external power supply.
The audio-video signal of the described web camera 4 Device under test state of collection reflection in real time, the sound of web camera 4
Video interface is connected by the first netting twine 5 with the electric signal interface of the first fiber optical transceiver 6.
The first described fiber optical transceiver 6 is internally integrated wavelength 1550nm transmitter modules, 1310nm receiving modules and wavelength-division
Multiplexer, the multiplexing optical signal transmitted in optical fiber 7 is separated into transmitting audio-video signal 1550nm light waves and receives control letter
Number with 1310nm light waves, while realize that audio-video signal transmitting that web camera 4 gathers and remote control computer 10 are sent
Control signal receive；Electric signal interface is RJ45 interfaces, and optical signal interface is SC type optical interfaces.
Described optical fiber 7 is standard single-mode fiber, and two end interfaces are SC type optical interfaces, length according to Device under test position and
Depending on the distance between screened room, one end of optical fiber 7 is connected with the optical signal interface of the first fiber optical transceiver 6, optical fiber 7 it is another
End is connected with the optical signal interface of the second fiber optical transceiver 8.
The second described fiber optical transceiver 8 is internally integrated wavelength 1550nm receiving modules, 1310nm transmitter modules and wavelength-division
Multiplexer, the multiplexing optical signal transmitted in optical fiber 7 is separated into and receives audio-video signal 1550nm light waves and emission control letter
Number with 1310nm light waves, while realize that audio-video signal that web camera 4 gathers is received and remote control computer 10 is sent
Control signal transmitting, optical signal interface is SC type optical interfaces, and electric signal interface is RJ45 interfaces.
The telecommunications that the network interface of described remote control computer 10 passes through the second netting twine 9 and the second fiber optical transceiver 8
The connection of number interface, and realize the remote control to functions such as the video recordings of web camera 4 using Network Video Surveillance software.
The annexation of each several part is：Place portable ups power 3, web camera 4, the first netting twine in the inside of shielding box 1
5 and first fiber optical transceiver 6, conductive film 2 paste the reserved camera lens of web camera 4 in the surface of shielding box 1 and correspond to hole position
Put, portable ups power 3 is web camera 4, the first fiber optical transceiver 6 provides independent power supply supply；Web camera 4
Audio-video interface be connected by the first netting twine 5 with the electric signal interface of the first fiber optical transceiver 6；First fiber optical transceiver 6
Optical signal interface is connected with one end of optical fiber 7, and the other end of optical fiber 7 is connected with the optical signal interface of the second fiber optical transceiver 8；The
The electric signal interface of two fiber optical transceivers 8 is connected by the second netting twine 9 with the network interface of remote control computer 10.
The concrete structure of the fiber optical transceiver of embodiment 2 first
As shown in Fig. 2 be a kind of internal structure schematic diagram of the first fiber optical transceiver 6 used in the present invention, its internal collection
Into wavelength 1550nm transmitter modules, 1310nm receiving modules and wavelength division multiplexer, wavelength division multiplexer is answered what is transmitted in optical fiber 7
It is transmitting audio-video signal 1550nm light waves with light Signal separator and receives control signal 1310nm light waves, 1550nm transmittings
The audio-video signal that web camera 4 gathers is modulated on 1550nm light waves by module, while 1310nm receiving modules will be long-range
The control signal that control computer 10 is sent demodulates from 1310nm light waves to be come.
The concrete structure of the fiber optical transceiver of embodiment 3 second
As shown in figure 3, be a kind of internal structure schematic diagram of the second fiber optical transceiver 8 used in the present invention, its internal collection
Into wavelength 1550nm receiving modules, 1310nm transmitter modules and wavelength division multiplexer, transmitted in wavelength division multiplexer separation optical fiber 7
Multiplexing optical signal is separated into reception audio-video signal 1550nm light waves and emissioning controling signal 1310nm light waves, 1550nm connect
Module is received to demodulate to come from 1550nm light waves by the audio-video signal that web camera 4 gathers, while 1310nm transmitter modules
The control signal that remote control computer 10 is sent is modulated on 1310nm light waves.
The operation principle of the present invention of embodiment 4
Portable ups power 3, web camera 4, the first netting twine 5 and the first fiber optical transceiver 6 are placed in the inside of shielding box 1,
Conductive film 2 pastes the reserved camera lens of web camera 4 in the surface of shielding box 1 and corresponds to hole location, shielding box 1 and conductive film
2 collectively form complete shield, and web camera 4 is effectively protected under strong electromagnetic radiation environment.Portable ups power 3
There is provided independent power supply supply for web camera 4, the first fiber optical transceiver 6, avoid causing because of external power supply equipment by
Strong electromagnetic radiation disturbs.
The audio-video interface of web camera 4 is connected by the electric signal interface of the first netting twine 5 and the first fiber optical transceiver 6
Connect；The optical signal interface of first fiber optical transceiver 6 is connected with one end of optical fiber 7, the other end of optical fiber 7 and the second fiber optical transceiver
8 optical signal interface connection；The electric signal interface of second fiber optical transceiver 8 passes through the second netting twine 9 and remote control computer 10
Network interface connection.Audio frequency and video are realized using wavelength-division multiplex technique between first fiber optical transceiver 6 and the second fiber optical transceiver 8
The transmitted in both directions of signal and control signal, the inside wavelength division multiplexer of the first fiber optical transceiver 6 believe the multiplexed optical transmitted in optical fiber 7
Number it is separated into transmitting audio-video signal 1550nm light waves and receives control signal 1310nm light waves, the second fiber optical transceiver 8
The multiplexing optical signal transmitted in optical fiber 7 is separated into and receives audio-video signal 1550nm light waves and transmitting by internal wavelength division multiplexer
Control signal 1310nm light waves.
The audio-video signal of the real-time collecting test region reflection Device under test state of web camera 4, web camera 4
Audio-video interface is connected by the first netting twine 5 with the electric signal interface of the first fiber optical transceiver 6.When the first fiber optical transceiver 6 connects
When receiving the audio-video signal of the collection of web camera 4, by the 1550nm transmitter modules inside the first fiber optical transceiver 6 by net
The audio-video signal that network video camera 4 gathers is modulated on 1550nm light waves.The optical signal interface and optical fiber of first fiber optical transceiver 6
7 one end connection, using the anti-electromagnetic-radiation interference of optical fiber 7, the 1550nm optical signals after low characteristic transmission is modulated, net is lost
The audio-video signal that network video camera 4 gathers is transferred into the monitoring place away from test zone.The other end of optical fiber 7 and the second light
The optical signal interface of fine transceiver 8 connects, and the 1550nm receiving modules inside the second fiber optical transceiver 8 receive web camera 4
The audio-video signal of collection, the audio-video signal that web camera 4 gathers is demodulated from 1550nm light waves.Second optical fiber
The electric signal interface of transceiver 8 is connected by the second netting twine 9 with the network interface of remote control computer 10, it is achieved thereby that right
The remote online monitoring of Device under test state.
Testing crew sends the control signal to functions such as the video recordings of web camera 4 by remote control computer 10, far
The network interface of process control computer 10 is connected by the second netting twine 9 with the electric signal interface of the second fiber optical transceiver 8.When second
When fiber optical transceiver 8 receives the control signal that remote control computer 10 is sent, inside the second fiber optical transceiver 8
The control signal that remote control computer 10 is sent is modulated on 1310nm light waves by 1310nm transmitter modules.Second optical fiber transceiving
The optical signal interface of device 8 is connected with the other end of optical fiber 7, and using the anti-electromagnetic-radiation interference of optical fiber 7, low characteristic transmission is lost
1310nm optical signals after modulation, the control signal that remote control computer 10 is sent are transferred into the test section of high electric-field intensity
Domain.One end of optical fiber 7 is connected with the optical signal interface of the first fiber optical transceiver 6, and the 1310nm inside the first fiber optical transceiver 6 connects
Receive module and receive the control signal that sends of remote control computer 10, by the control signal that remote control computer 10 is sent from
Demodulate and on 1310nm light waves.The electric signal interface of first fiber optical transceiver 6 passes through the first netting twine 5 and web camera 4
Audio-video interface connects, it is achieved thereby that the remote control to functions such as the video recordings of web camera 4.
Claims (3)
1. a kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference, its structure have web camera (4), the first net
Line (5) and remote control computer (10), it is characterised in that structure also has shielding box (1), conductive film (2), portable UPS
Power supply (3), the first fiber optical transceiver (6), optical fiber (7), the second fiber optical transceiver (8) and the second netting twine (9)；
Portable ups power (3), web camera (4), the first netting twine (5) and the first optical fiber transceiving are placed inside shielding box (1)
Device (6), conductive film (2) pastes reserved web camera (4) camera lens in shielding box (1) surface and corresponds to hole location, portable
Formula ups power (3) is web camera (4), the first fiber optical transceiver (6) provides independent power supply supply；Web camera (4)
Audio-video interface be connected by the first netting twine (5) with the electric signal interface of the first fiber optical transceiver (6)；First fiber optical transceiver
(6) optical signal interface is connected with the one end of optical fiber (7), the other end of optical fiber (7) and the optical signal of the second fiber optical transceiver (8)
Interface connects；The electric signal interface of second fiber optical transceiver (8) passes through the second netting twine (8) and the net of remote control computer (10)
Network interface connects.
2. a kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference according to claim 1, its feature exist
In described the first fiber optical transceiver (6) concrete structure is：The electric signal interface of first fiber optical transceiver (6) respectively with inside
The input of integrated wavelength 1550nm transmitter modules, the output end of 1310nm receiving modules are connected, wavelength 1550nm transmitting moulds
The wavelength division multiplexer that the output end of block, the input of 1310nm receiving modules are internally integrated with the first fiber optical transceiver (6) respectively
1550nm ports, 1310nm ports be connected, the public port of wavelength division multiplexer and the optical signal of the first fiber optical transceiver (6) connect
Mouth is connected；Described electric signal interface is RJ45 interfaces, and the optical signal interface is SC type optical interfaces.
3. a kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference according to claim 1 or 2, its feature
It is, described the second fiber optical transceiver (8) concrete structure is：The optical signal interface of second fiber optical transceiver (8) collects with internal
Into the public port of wavelength division multiplexer be connected, 1550nm ports, 1310nm ports and the second optical fiber transceiving of wavelength division multiplexer
The input for the wavelength 1550nm receiving modules that device (8) is internally integrated, the output end of 1310nm transmitter modules are connected, wavelength
The output end of 1550nm receiving modules, the input of 1310nm the transmitter modules electric signal with the second fiber optical transceiver (8) respectively
Interface is connected, and described optical signal interface is SC type optical interfaces, and electric signal interface is RJ45 interfaces.
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| CN201710968324.8A CN107613265A (en) | 2017-10-17 | 2017-10-17 | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650313A (en) * | 2018-05-08 | 2018-10-12 | 吉林大学 | A kind of electromagnetic vehicle pulse effects various dimensions remote online monitoring system |
| CN109274434A (en) * | 2018-11-07 | 2019-01-25 | 桂林电子科技大学 | A kind of light energy and optical signal transceiver processing system integrating optical cable based on single fiber |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2657309Y (en) * | 2003-12-10 | 2004-11-17 | 深圳市首迈通信技术有限公司 | Optical fibre network camera |
| CN101873418A (en) * | 2009-09-23 | 2010-10-27 | 杭州海康威视数字技术股份有限公司 | Network camera, network monitoring terminal and network monitoring system and method |
| CN102853857A (en) * | 2012-09-13 | 2013-01-02 | 宁波诺驰光电科技发展有限公司 | Long-distance optical fiber Brillouin optical time-domain analyzer |
| CN203289574U (en) * | 2013-06-19 | 2013-11-13 | 张宇桥 | Low electro-magnetic interference (EMI) remote control shooting system |
| CN105681634A (en) * | 2016-01-21 | 2016-06-15 | 广州市诚臻电子科技有限公司 | Camera, remote video speech system and applications of camera and remote video speech system |
| CN205336401U (en) * | 2016-01-21 | 2016-06-22 | 广州市诚臻电子科技有限公司 | Camera and long -range system of saying of looking |
| CN205426977U (en) * | 2016-03-24 | 2016-08-03 | 吉林大学 | Measurement system that anti strong electromagnetic radiation disturbed |
| CN207251819U (en) * | 2017-10-17 | 2018-04-17 | 吉林大学 | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference |
-
2017
- 2017-10-17 CN CN201710968324.8A patent/CN107613265A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2657309Y (en) * | 2003-12-10 | 2004-11-17 | 深圳市首迈通信技术有限公司 | Optical fibre network camera |
| CN101873418A (en) * | 2009-09-23 | 2010-10-27 | 杭州海康威视数字技术股份有限公司 | Network camera, network monitoring terminal and network monitoring system and method |
| CN102853857A (en) * | 2012-09-13 | 2013-01-02 | 宁波诺驰光电科技发展有限公司 | Long-distance optical fiber Brillouin optical time-domain analyzer |
| CN203289574U (en) * | 2013-06-19 | 2013-11-13 | 张宇桥 | Low electro-magnetic interference (EMI) remote control shooting system |
| CN105681634A (en) * | 2016-01-21 | 2016-06-15 | 广州市诚臻电子科技有限公司 | Camera, remote video speech system and applications of camera and remote video speech system |
| CN205336401U (en) * | 2016-01-21 | 2016-06-22 | 广州市诚臻电子科技有限公司 | Camera and long -range system of saying of looking |
| CN205426977U (en) * | 2016-03-24 | 2016-08-03 | 吉林大学 | Measurement system that anti strong electromagnetic radiation disturbed |
| CN207251819U (en) * | 2017-10-17 | 2018-04-17 | 吉林大学 | A kind of audio and video remote online monitoring system of anti-electromagnetic-radiation interference |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108650313A (en) * | 2018-05-08 | 2018-10-12 | 吉林大学 | A kind of electromagnetic vehicle pulse effects various dimensions remote online monitoring system |
| CN108650313B (en) * | 2018-05-08 | 2023-09-19 | 吉林大学 | Multi-dimensional remote on-line monitoring system for electromagnetic pulse effect of vehicle |
| CN109274434A (en) * | 2018-11-07 | 2019-01-25 | 桂林电子科技大学 | A kind of light energy and optical signal transceiver processing system integrating optical cable based on single fiber |
| CN109274434B (en) * | 2018-11-07 | 2022-04-15 | 桂林电子科技大学 | Light energy and light signal receiving and transmitting processing system based on single optical fiber integrated optical cable |
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