CN103347182A - One-way optical transceiver - Google Patents
One-way optical transceiver Download PDFInfo
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- CN103347182A CN103347182A CN2013102662115A CN201310266211A CN103347182A CN 103347182 A CN103347182 A CN 103347182A CN 2013102662115 A CN2013102662115 A CN 2013102662115A CN 201310266211 A CN201310266211 A CN 201310266211A CN 103347182 A CN103347182 A CN 103347182A
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- optical transceiver
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Abstract
The invention discloses a one-way optical transceiver which comprises a video signal receiving port, an analog-digital converter, a master control encoder and an optical module. The video signal receiving port, the analog-digital converter, the master control encoder and the optical module are connected in sequence, and the one-way optical transceiver further comprises a controllable camera control interface, a 485 transceiver connected with the master control encoder and the controllable camera control interface and a data connecting wire connecting the optical module and the master control encoder. According to the one-way optical transceiver, compression-free long-distance transmission of camera video signals is achieved, and meanwhile the sound signals of a camera monitor area are transmitted; after a camera control command transmitted to the one-way optical transceiver through optical fibers is processed by the one-way optical transceiver, long-range control over the operation state of a camera connected with the one-way optical transceiver can be achieved.
Description
Technical field
The present invention relates to the light signal field of information transmission, particularly relate to a kind of single channel optical transceiver.
Background technology
Optical transceiver is the terminal equipment of optical signal transmission, and the principle of optical transceiver is modulated to signal on the light, carries out transfer of data by optical fiber.According to the light signal transfer process, optical transceiver can be divided into simulated light terminal and Digital Optical Terminal.The raising that information Transfer Quality and efficient is required along with the scientific and technological ability level that improves day by day and people, Digital Optical Terminal has than the simulated light terminal: transmission range is long, support video lossless regenerative repeating, little interference by environment, can support advantage such as multiple signals capacity, become that optical transceiver uses and the main flow of development.
The existing video optical multiplexer that is used 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 transceiver of realizing operational factors such as the video camera rotation of control connection on optical transceiver, the elevation angle, focal length are integrated, become an important directions that has the video optical multiplexer function development now.
Summary of the invention
At the integrated problem of the original paper of operational factors such as the video camera rotation of above-mentioned realization control connection on optical transceiver, the elevation angle, focal length and optical transceiver, the invention provides a kind of single channel optical transceiver.
For achieving the above object, a kind of single channel optical transceiver provided by the invention solves problem by following technical essential: a kind of single channel optical transceiver, comprise the video reception port, analog to digital converter, master control encoder and the optical module that are linked in sequence, 485 transceivers that also comprise controlled video camera control interface, are connected with controlled video camera control interface with the master control encoder, connect the data connecting line of optical module and master control encoder.
By being connected the video camera on the single channel video optical multiplexer video reception port, realize monitor video signal input single channel video optical multiplexer, vision signal becomes digital signal through after the analog to digital converter with analog signal conversion, digital signal enters the master control encoder again, finish digital signal encoding, signal behind the coding is passed to optical module, the vision signal of finally finishing 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 video camera control light signal that is transferred to the single channel video optical multiplexer through optical cable, and finish opto-electronic conversion, again signal is passed to the master control encoder through data connecting line, the master control encoder carries out passing to 485 transceivers behind the data coding, 485 transceivers pass to controlled video camera with the video camera control signal, make video camera finish as level according to control signal, rotate up and down, actions such as focal length adjustment.
Preferably, also be provided with high speed amplifier between described video reception port and the analog to digital converter, the input of described high speed amplifier links to each other with the video reception port, and the output of described high speed amplifier links to each other with the analog to digital converter input.
The high speed amplifier that arranges is conducive to the video analog signal of camera acquisition is amplified in real time, is conducive to strengthen the intensity of final light signal.
Preferably, described optical module is the single mode transport optical module.Adopt the single mode transport optical module to realize light single mode transport in optical fiber, single mode can be avoided modal dispersion fully, and laser propagation effect is good, be not subject to interference, transmission frequency bandwidth, transmission capacity are big, and is applicable to big capacity, long-distance transmissions.
Preferably, described analog to digital converter input also is connected with audio input interface.The audio input interface that arranges is convenient to the external source of sound collecting device of single channel video optical multiplexer, as microphone, realizes the single channel video optical multiplexer interior sound and optic signal of transmitting, monitoring scope simultaneously.
Preferably, also be provided with serial/deserializer between described master control encoder and the optical module.The serial that arranges/deserializer realizes that the parallel encoding signal of different frequency converts the serial code signal to, is convenient to the subsequent optical module and converts code signal to the 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 the LV1023A cost.
The present invention has following beneficial effect:
By being arranged on 485 transceivers and the data connecting line on the single channel video optical multiplexer, the video camera control signal of optical module being finished opto-electronic conversion passes to the master control encoder through data connecting line, the master control encoder carries out passing to 485 transceivers behind the data coding, 485 transceivers pass to controlled video camera with the video camera control signal, make video camera finish as level, actions such as rotation, focal length adjustment up and down according to control signal; The single mode transport optical module that arranges and analog to digital converter are conducive to no compression, high definition, the noiseless and long Distance Transmission that the single channel video optical multiplexer is realized vision signal.
Description of drawings
Fig. 1 is the topological diagram of a kind of single channel optical transceiver embodiment 1 of the present invention;
Fig. 2 is the topological diagram of a kind of single channel optical transceiver embodiment 2 of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but structure of the present invention is not limited only to following examples:
Embodiment 1:
As Fig. 1, a kind of single channel optical transceiver, 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, 485 transceivers that also comprise controlled video camera control interface, are connected with controlled video camera control interface with the master control encoder, connect the data connecting line of optical module and master control encoder.
By being connected the video camera on the single channel video optical multiplexer video reception port, realize monitor video signal input single channel video optical multiplexer, vision signal becomes digital signal through after the analog to digital converter with analog signal conversion, digital signal enters the master control encoder again, finish digital signal encoding, signal behind the coding is passed to optical module, the vision signal of finally finishing 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 video camera control light signal that is transferred to the single channel video optical multiplexer through optical cable, and finish opto-electronic conversion, again signal is passed to the master control encoder through data connecting line, the master control encoder carries out passing to 485 transceivers behind the data coding, 485 transceivers pass to controlled video camera with the video camera control signal, make video camera finish as level according to control signal, rotate up and down, actions such as focal length adjustment.
Embodiment 2:
Present embodiment is further improved on the basis of embodiment 1, as Fig. 2, a kind of single channel optical transceiver, also comprise the high speed amplifier, the audio input interface that is connected with the analog to digital converter input that are arranged between video reception port and the analog to digital converter, be arranged on the serial/deserializer between master control encoder and the 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 the 3.5mm audio input interface.The high speed amplifier that arranges is conducive to strengthen the vision signal input, 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 the single channel video optical multiplexer and transmits the acoustic intelligence of following video simultaneously.
Claims (6)
1. single channel optical transceiver, 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, 485 transceivers that also comprise controlled video camera control interface, are connected with controlled video camera control interface with the master control encoder, connect the data connecting line of optical module and master control encoder.
2. a kind of single channel optical transceiver according to claim 1, it is characterized in that, also be provided with high speed amplifier between described video reception port and the analog to digital converter, the input of described high speed amplifier links to each other with the video reception port, and the output of described high speed amplifier links to each other with the analog to digital converter input.
3. a kind of single channel optical transceiver according to claim 1 is characterized in that, described optical module is the single mode transport optical module.
4. a kind of single channel optical transceiver according to claim 1 is characterized in that the input of described analog to digital converter also is connected with audio input interface.
5. a kind of single channel optical transceiver according to claim 1 is characterized in that, also is provided with serial/deserializer between described master control encoder and the optical module.
6. a kind of single channel optical transceiver according to claim 5 is characterized in that, described serial/deserializer is LV1023A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102662115A CN103347182A (en) | 2013-06-28 | 2013-06-28 | One-way optical transceiver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102662115A CN103347182A (en) | 2013-06-28 | 2013-06-28 | One-way optical transceiver |
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| CN2013102662115A Pending CN103347182A (en) | 2013-06-28 | 2013-06-28 | One-way optical transceiver |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112338A1 (en) * | 2001-12-17 | 2003-06-19 | Telecast Fiber Systems, Inc. | Camera-mountable fiber optic transceiver system |
| CN200979649Y (en) * | 2006-10-27 | 2007-11-21 | 天津市亚安科技电子有限公司 | A dome camera or pan/tilt with optical terminal |
| CN201699891U (en) * | 2010-06-03 | 2011-01-05 | 常州华龙通信科技有限公司 | Converging video optical transceiver |
| CN102510484A (en) * | 2011-10-09 | 2012-06-20 | 瑞斯康达科技发展股份有限公司 | Video optical transceiver, and video transmission system and method |
-
2013
- 2013-06-28 CN CN2013102662115A patent/CN103347182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112338A1 (en) * | 2001-12-17 | 2003-06-19 | Telecast Fiber Systems, Inc. | Camera-mountable fiber optic transceiver system |
| CN200979649Y (en) * | 2006-10-27 | 2007-11-21 | 天津市亚安科技电子有限公司 | A dome camera or pan/tilt with optical terminal |
| CN201699891U (en) * | 2010-06-03 | 2011-01-05 | 常州华龙通信科技有限公司 | Converging video optical transceiver |
| CN102510484A (en) * | 2011-10-09 | 2012-06-20 | 瑞斯康达科技发展股份有限公司 | Video optical transceiver, and video transmission system and method |
Non-Patent Citations (1)
| Title |
|---|
| 生安财: "基于CPLD数字光端机的设计与实现", 《万方学位论文》 * |
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Application publication date: 20131009 |