Electric power and communication sharing system
A technology of electric power and electric power towers, which is applied in the field of power and communication sharing systems, and can solve problems such as damage to communication base station equipment, high power frequency ground potential rise, and fires
Pending Publication Date: 2021-12-10
CHINA ELECTRIC POWER RES INST +2
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Problems solved by technology
When a lightning strike or a single-phase ground fault occurs on a high-voltage transmission line, a high power-frequency ground potential rise will occur at the fault point and the ground network adjacent to the tower, which may cause damage to communication base station equipment (including lightning protection devices) and even cause a fire
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[0027] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] See attached figure 1 with figure 2 , figure 1 A schematic diagram of the system structure of power and communication sharing in the embodiment of the present invention, fi...
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The invention provides an electric power and communication sharing system. The system is characterized in that antenna equipment is fixed on a tower body of an electric power iron tower; a power supply cable is fixed on a main material of the electric power iron tower, one end of the power supply cable is connected with the antenna equipment, and the other end of the power supply cable is connected with a direct-current power distribution unit in a communication machine room; a grounding interface of the antenna equipment is connected with the main material of the electric power iron tower through a first grounding cable; a grounding bar of the communication machine room is connected with a grounding grid of the communication machine room through a grounding down lead; the main material of the electric power iron tower is connected with a grounding grid of the electric power iron tower through a grounding down lead; and the grounding grid of the electric power iron tower is connected with the grounding grid of the communication machine room through a horizontal connection conductor. According to the technical scheme provided by the invention, the lightning current or fault current flowing through the iron tower does not damage communication base station equipment when the lightning strikes a high-voltage line or a high-voltage power line, and when the communication base station leaks electricity when supplying power to antenna equipment, the leakage current flowing through the iron tower does not threaten the personal safety of the operation and inspection personnel.
Description
technical field [0001] The invention relates to the field of lightning protection of electric transmission towers, in particular to a system for sharing electric power and communication. Background technique [0002] The system of power and communication sharing (hereinafter referred to as "shared tower") refers to the installation of communication equipment on the power tower, and the installation of communication facilities such as signal transmitting antennas, cables and optical fibers on the transmission tower body, so as to realize communication base stations and power infrastructure. Facility resource sharing. Shared iron tower is a new mode of social resource sharing, which has the following meanings: first, the use of transmission towers to carry communication facilities can effectively reduce the land resources occupied by new communication tower base stations, protect the environment, and beautify the landscape; In terms of communication construction, it can promo...
Claims
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IPC IPC(8): H01Q1/22H01R4/66E04H12/08
CPCH01Q1/22H01R4/66E04H12/08
Inventor 刘蕊刘湘莅董玉明莫娟齐道坤房正刚赵伟博沈鸿冰
Owner CHINA ELECTRIC POWER RES INST