CN203435094U - Single channel video optical transceiver - Google Patents
Single channel video optical transceiver Download PDFInfo
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- CN203435094U CN203435094U CN201320380164.2U CN201320380164U CN203435094U CN 203435094 U CN203435094 U CN 203435094U CN 201320380164 U CN201320380164 U CN 201320380164U CN 203435094 U CN203435094 U CN 203435094U
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Abstract
The utility model discloses a single channel video optical transceiver which comprises a video signal receiving port, an analog-to-digital converter, a main control encoder and an optical module, wherein the video signal receiving port, the analog-to-digital converter, the main control encoder and the optical module are sequentially connected. The single channel video optical transceiver further comprises a controllable camera control interface, a 485 transceiver which is connected with the main control encoder and the controllable camera control interface, and a data connection line which connects the optical module and the main control encoder. The single channel video optical transceiver realizes camera video signal compression-free and long distance transmission, and at the same time transmits an acoustic signal of a camera surveillance area. A camera control command is transmitted to the single channel video optical transceiver through an optical fiber, and then is processed by the optical transceiver, thus remote control can be carried out on the operation state of a camera which is connected with the optical transceiver.
Description
Technical field
The utility model relates to light signal field of information transmission, particularly relates to a kind of single channel video optical multiplexer.
Background technology
Optical transmitter and receiver, is the terminal equipment of optical signal transmission, and the principle of optical transmitter and receiver is modulated to signal on light, by optical fiber, carries out transfer of data.According to light signal transfer process, optical transmitter and receiver can be divided into simulated light terminal and Digital Optical Terminal.The raising to information Transfer Quality and efficiency requirement along with the scientific and technological ability level day by day improving and people, Digital Optical Terminal has than simulated light terminal: transmission range is grown, supported video lossless regenerative repeating, little interference by environment, can support the advantages such as multiple signals capacity, become the main flow that optical transmitter and receiver uses and develops.
The existing video optical multiplexer for video monitoring, the input of video optical multiplexer connects video camera, realizes the long-distance optical fiber transmission to camera acquisition information.Original paper and the optical transmitter and receiver of realizing the operational factors such as the video camera rotation of control connection on optical transmitter and receiver, the elevation angle, focal length are integrated, become an important directions of existing video optical multiplexer function development.
Utility model content
For the above-mentioned original paper of realizing the operational factors such as the video camera rotation of control connection on optical transmitter and receiver, the elevation angle, focal length and the integrated problem of optical transmitter and receiver, the utility model provides a kind of single channel video optical multiplexer.
For achieving the above object, a kind of single channel video optical multiplexer that the utility model provides solves problem by following technical essential: a kind of single channel video optical multiplexer, comprise the video reception port, analog to digital converter, master control encoder and the optical module that are linked in sequence, also comprise the data connecting line of controlled camera control interface, 485 transceivers that are connected with controlled camera control interface with master control encoder, connection optical module and master control encoder.
By being connected to the video camera on single channel video optical multiplexer video reception port, realize monitor video signal input single channel video optical multiplexer, vision signal converts analog signal to digital signal after analog to digital converter, digital signal enters master control encoder again, complete digital signal encoding, signal after coding is passed to optical module, the vision signal that finally completes camera acquisition converts the required light signal of Optical Fiber Transmission to, optical module is realized data opto-electronic conversion and video opto-electronic conversion, comprise and gather the long-range camera control light signal that arrives single channel video optical multiplexer through optical cable transmission, and complete opto-electronic conversion, again signal is passed to master control encoder through data connecting line, master control encoder carries out passing to 485 transceivers after data encoding, 485 transceivers pass to controlled video camera by camera control signal, video camera is completed as level according to control signal, rotate up and down, the actions such as Focussing.
Preferably, between described video reception port and analog to digital converter, be also provided with high speed amplifier, the model of described high speed amplifier is 8091AR, the input of described high speed amplifier is connected with video reception port, and the output of described high speed amplifier is connected with analog to digital converter input.
The high speed amplifier arranging is conducive to the video analog signal of camera acquisition to amplify in real time, is conducive to strengthen the intensity of final light signal.
Preferably, described optical module is single mode transport optical module.Adopt single mode transport optical module to realize light single mode transport in optical fiber, single mode can be avoided modal dispersion completely, and laser propagation effect is good, be difficult for being disturbed, transmission frequency bandwidth, transmission capacity are large, and is applicable to large capacity, long-distance transmissions.
Preferably, described analog to digital converter input is also connected with audio input interface.The audio input interface arranging is convenient to the external source of sound collecting device of single channel video optical multiplexer, as microphone, realizes the sound and optic signal within the scope of single channel video optical multiplexer while transmitting, monitoring.
Preferably, between described master control encoder and optical module, be also provided with serial/deserializer.The parallel encoding signal that the serial/deserializer arranging is realized different frequency converts serial code signal to, is convenient to subsequent optical module and converts code signal to single-mode optics signal.
Preferably, described serial/deserializer is LV1023A.LV1023A serial/deserializer can be realized the serial conversion of 10MHz-60Mhz frequency band parallel signal, and the frequency range of conversion range adaptive video code signal is cheap with LV1023A cost.
The utlity model has following beneficial effect:
By being arranged on 485 transceivers and the data connecting line on single channel video optical multiplexer, the camera control signal that optical module is completed to opto-electronic conversion passes to master control encoder through data connecting line, master control encoder carries out passing to 485 transceivers after data encoding, 485 transceivers pass to controlled video camera by camera control signal, and video camera is completed as level, the action such as rotation, Focussing up and down according to control signal; The single mode transport optical module arranging and analog to digital converter be conducive to single channel video optical multiplexer realize vision signal without compression, high definition, noiseless and long Distance Transmission.
Accompanying drawing explanation
Fig. 1 is the topological diagram of a kind of single channel video optical multiplexer embodiment 1 described in the utility model;
Fig. 2 is the topological diagram of a kind of single channel video optical multiplexer embodiment 2 described in the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples:
Embodiment 1:
As Fig. 1, a kind of single channel video optical multiplexer, comprise the video reception port, analog to digital converter, master control encoder and the optical module that are linked in sequence, it is characterized in that, also comprise the data connecting line of controlled camera control interface, 485 transceivers that are connected with controlled camera control interface with master control encoder, connection optical module and master control encoder.
By being connected to the video camera on single channel video optical multiplexer video reception port, realize monitor video signal input single channel video optical multiplexer, vision signal converts analog signal to digital signal after analog to digital converter, digital signal enters master control encoder again, complete digital signal encoding, signal after coding is passed to optical module, the vision signal that finally completes camera acquisition converts the required light signal of Optical Fiber Transmission to, optical module is realized data opto-electronic conversion and video opto-electronic conversion, comprise and gather the long-range camera control light signal that arrives single channel video optical multiplexer through optical cable transmission, and complete opto-electronic conversion, again signal is passed to master control encoder through data connecting line, master control encoder carries out passing to 485 transceivers after data encoding, 485 transceivers pass to controlled video camera by camera control signal, video camera is completed as level according to control signal, rotate up and down, the actions such as Focussing.
Embodiment 2:
The present embodiment is further improved on the basis of embodiment 1, as Fig. 2, a kind of single channel video optical multiplexer, also comprise the high speed amplifier, the audio input interface being connected with analog to digital converter input that are arranged between video reception port and analog to digital converter, be arranged on the serial/deserializer between master control encoder and optical module, the model of the high speed amplifier of setting is that the model of 8091AR, serial/deserializer is that LV1023A, audio input interface are 3.5mm audio input interface.The high speed amplifier arranging is conducive to the input of augmented video signal, and the serial/deserializer of setting is conducive to convert parallel signal to serial signal, and the audio input interface of setting is conducive to single channel video optical multiplexer and transmits the acoustic intelligence of following video simultaneously.
Claims (6)
1. a single channel video optical multiplexer, comprise the video reception port, analog to digital converter, master control encoder and the optical module that are linked in sequence, it is characterized in that, also comprise the data connecting line of controlled camera control interface, 485 transceivers that are connected with controlled camera control interface with master control encoder, connection optical module and master control encoder.
2. a kind of single channel video optical multiplexer according to claim 1, it is characterized in that, between described video reception port and analog to digital converter, be also provided with high speed amplifier, the model of described high speed amplifier is 8091AR, the input of described high speed amplifier is connected with video reception port, and the output of described high speed amplifier is connected with analog to digital converter input.
3. a kind of single channel video optical multiplexer according to claim 1, is characterized in that, described optical module is single mode transport optical module.
4. a kind of single channel video optical multiplexer according to claim 1, is characterized in that, the input of described analog to digital converter is also connected with audio input interface.
5. a kind of single channel video optical multiplexer according to claim 1, is characterized in that, between described master control encoder and optical module, is also provided with serial/deserializer.
6. a kind of single channel video optical multiplexer according to claim 5, is characterized in that, described serial/deserializer is LV1023A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380164.2U CN203435094U (en) | 2013-06-28 | 2013-06-28 | Single channel video optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380164.2U CN203435094U (en) | 2013-06-28 | 2013-06-28 | Single channel video optical transceiver |
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| Publication Number | Publication Date |
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| CN203435094U true CN203435094U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320380164.2U Expired - Fee Related CN203435094U (en) | 2013-06-28 | 2013-06-28 | Single channel video optical transceiver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259863A (en) * | 2018-02-07 | 2018-07-06 | 中国电子科技集团公司第十研究所 | Airborn infrared image transmitting device |
-
2013
- 2013-06-28 CN CN201320380164.2U patent/CN203435094U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259863A (en) * | 2018-02-07 | 2018-07-06 | 中国电子科技集团公司第十研究所 | Airborn infrared image transmitting device |
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| Date | Code | Title | Description |
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| 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: 20140212 Termination date: 20140628 |
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| EXPY | Termination of patent right or utility model |