A new type of optical relay amplifier device in the tower
An optical amplifier and amplifier technology, applied in the field of optical communication, can solve the problems of harsh natural conditions, large construction investment, inconvenient transportation, etc., and achieve the effect of reducing construction costs and improving spectral efficiency.
Active Publication Date: 2017-11-28
GUANGXUN SCI & TECH WUHAN
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Problems solved by technology
The areas where UHV DC and AC lines pass often have inconvenient transportation and harsh natural conditions. It is very difficult to set up optical communication relay stations, and the construction investment is relatively large
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[0032] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0033] The relay amplifier device in the tower of the present invention includes an optical amplifier (amplifies the transmission signal) and an optical monitoring part (sends monitoring information and receives control information). The monitoring information is sent through the line section optical transceiver, and the control information is sent through the receiving end optical transceiver. The monitoring information is sent through the optical transceiver of the line section, mainly the working information of the optical relay amplifier device in the tower, so that the working information ...
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The invention discloses a novel optical relay amplifier device in a tower, comprising a line optical amplifier, a first wavelength division multiplexer, a second wavelength division multiplexer, a line end optical transceiver, a third wavelength division multiplexer, The fourth wavelength division multiplexer, the pre-optical amplifier, and the optical transceiver at the receiving end; the transmission end of the first wavelength division multiplexer is connected to the transmitting end of the optical transceiver at the line end; the transmission end of the second wavelength division multiplexer is connected to the line The receiving end of the optical transceiver at the end is connected, and the combining end of the second wavelength division multiplexer is connected with the transmission fiber; the transmission end of the third wavelength division multiplexer is connected with the transmitting end of the optical transceiver at the receiving end; the transmission end of the fourth wavelength division multiplexer It is connected to the receiving end of the optical transceiver at the receiving end, and the reflection end of the fourth wavelength division multiplexer is connected to the pre-optical amplifier. The device of the invention can realize long-distance non-electric relay optical amplification, and remote monitoring and remote control of relay equipment.
Description
Technical field [0001] The invention belongs to the field of optical communication, and particularly relates to a novel optical relay amplifier device in a tower. Background technique [0002] In the field of power communication, among the projects that have been put into production, the non-relay transmission distance of optical cable circuits has reached hundreds of kilometers. In recent years, with the construction of UHV AC and DC power grids, the transmission distance from substation to substation has become longer and longer. As the voltage level rises, the transmission distance of the line has gradually increased. It is often more than 1000 km, and more than one must be installed along the line. Optical fiber communication relay station to ensure the transmission quality of optical signals. [0003] At present, a relay station is usually used to amplify the transmitted signal light to improve the problem of signal light power limitation. Areas where UHV DC and AC lines pas...
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IPC IPC(8): H04B10/29H04J14/02H04B10/07
Inventor 徐健黄丽艳胡毅喻杰奎贾小铁陈芳袁卫国
Owner GUANGXUN SCI & TECH WUHAN