Communication joint grounding system

Abstract

The invention discloses a communication joint grounding system. The communication joint grounding system comprises wireless equipment, a main distribution frame, transmission equipment, switching equipment and power equipment, wherein the wireless equipment and the main distribution frame are connected with a vertical grounding main collecting line through horizontal grounding sub-collecting lines; the vertical grounding main collecting line is connected with a grounding body through a grounding lead; the transmission equipment, the switching equipment and the power equipment are connected with the vertical grounding main collecting line; the horizontal grounding sub-collecting lines are connected with construction steel bars; an antenna is arranged on the wireless equipment. The communication joint grounding system adopts a joint grounding mode, technically enables all grounding systems in the whole building to be jointed to form a voltage balancing net with a low grounding resistance value, and has the advantages that (1) the ground potential is balanced, and the potentials of all ground wire systems in the same layer are substantially equal, and the potential difference endangering the equipment is eliminated; (2) a common ground bus establishes a reference zero-potential point globally; (3) the interference of the ground wire systems is eliminated; (4) the electromagnetic compatibility performance gets better.

Description

technical field [0001] The present invention relates to the field of electronic information, in particular to the field of communication technology. Background technique [0002] With the development of electronics and informatization and the continuous increase of demand, the communication system has played an increasingly important and irreplaceable role. The existing building communication system usually adopts separate grounding method. The separate grounding system refers to various single grounding devices such as working grounding, protective grounding, and lightning protection grounding, and requires a distance of 20m from each other. Disadvantages of separate grounding systems: (1) The intrusive lightning surge current creates a potential difference between these separate grounds, causing overvoltages in installations. (2) Due to the increasing interference of the external electromagnetic field, it cannot meet the requirements of the electromagnetic compatibility s...

AI Technical Summary

Problems solved by technology

Disadvantages of separate grounding systems: (1) The intrusive lightning surge current creates a potential difference between these separate grounds, causing overvoltages in installations and equipment

(2) Due to the increasing interference of external electromagnetic fields, it cannot meet the requirements of electromagnetic compatibility standards for communication

(3) There are too many grounding devices, which may easily cause mutual interference between grounding systems due to site restrictions

(4) The wiring is complicated and the construction is difficult

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