Single-fiber laser power supply equipment and communication method thereof
A technology for laser power supply and equipment, applied in electrical components, optical transmission systems, electromagnetic wave transmission systems, etc., can solve the problems of increasing the installation cost of on-site engineering, reducing the actual output power, and increasing the power consumption of the high-voltage terminal, so as to improve the energy output efficiency. , reduce power consumption, improve the effect of output energy
Active Publication Date: 2020-12-22
NANJING INST OF TECH
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Problems solved by technology
This solution requires an additional laser to transmit data in real time at the high-voltage end, which will further increase the power consumption at the high-voltage end and reduce the actual output power
Moreover, in the actual use process, due to the use of multiple optical fibers, this solution reduces the reliability of the system, increases the complexity of the system, and increases the cost of on-site engineering installation
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[0035] The technical solutions of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] like figure 1 As shown, a single-fiber laser power supply device includes a low-potential controller 1 arranged in a low-voltage area, a driving circuit 2, a high-power laser 3, a first optical circulator 4 and a first digital optical receiver 5, and a set High-power photovoltaic cell 6, energy management unit 7, passive optical transceiver module 8 and 1:99 optical splitter 9 in the high-voltage area. The low potential controller 1 is respectively connected to the input electrical interface of the drive circuit 2 and the output electrical interface of the first digital optical receiver 5, and the output electrical interface of the drive circuit 2 is connected to the input electrical interface of the high-power laser 3, and the first light ring The device 4 is respectively connected with the output electrica...
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The invention relates to single-fiber laser power supply equipment and a communication method thereof, a low-potential controller is connected with a driving circuit and a first digital optical receiver, the driving circuit is connected with a high-power laser, a first optical circulator is respectively connected with the high-power laser and the first digital optical receiver, a 1: 99 optical branching device is connected with a high-power photocell and a passive optical transceiver module, the high-power photocell is connected with an energy management unit, and the first optical circulatoris connected with the 1: 99 optical branching device through a large-core-diameter optical cable. Light wave energy and light wave information can be transmitted in one optical fiber at the same time,the reliability of laser power supply equipment is improved, and the cost is reduced. Meanwhile, no light source exists in the high-potential region, so that the power consumption of the high-potential region is reduced.
Description
technical field [0001] The invention belongs to the technical field of fiber laser power supply, and in particular relates to a single fiber laser power supply device and a communication method thereof. Background technique [0002] In the context of the rapid construction and development of the ubiquitous energy Internet, the demand for real-time perception of the operating status of the power grid continues to deepen. The development of power system automation and smart grid has made the application of intelligent electronic devices and monitoring sensors in power transmission and transformation equipment more and more extensive. In order to accurately monitor various physical quantities of electrical equipment, a large number of sensor nodes of various types will be densely distributed in the area to be measured. [0003] Using laser transmission in optical fiber to transmit electric energy to remote nodes is an effective way to supply power to high-potential monitoring ...
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IPC IPC(8): H04B10/80
CPCH04B10/807
Inventor 韦朴许恒飞魏峘
Owner NANJING INST OF TECH