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Multi-needle vertical grounding body

A vertical grounding and pin-type technology, which is applied in the direction of connecting contact materials, can solve the problems that the grounding resistance value is difficult to meet the requirements, and the metal components are easy to corrode and fail, so as to achieve enhanced spark discharge function, long service life, and improved discharge speed. Effect

Inactive Publication Date: 2014-11-26
DALIAN UNIV OF TECH
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Problems solved by technology

[0003] Aiming at the problems in the existing grounding system that the grounding resistance value is difficult to meet the requirements in a narrow environment, and the metal components are easy to corrode and fail, the present invention provides a multi-pin vertical grounding body, which has the functions of reducing the impact grounding resistance and rapidly releasing energy

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  • Multi-needle vertical grounding body

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Embodiment Construction

[0016] The specific implementation manners of the present invention will be further described below in conjunction with the accompanying drawings and technical solutions.

[0017] Such as figure 1 For the multi-pin vertical grounding body shown, connect the needle discharge electrode 1 at the connection point 3 (see figure 2 ) and vertical ground rod 2 (see image 3 ) for connection, the vertical ground rod is made of copper composite material.

[0018] More specifically:

[0019] Needle discharge electrode 1 (see figure 2 ) is made of copper; its length is 30 mm, its radius is 2 mm, its tip is curved at 0.2 mm, and its tail is attached with a 5 mm long external thread;

[0020] Connection point 3 (see image 3 ) perpendicular to the rod-shaped vertical grounding body, with a depth of 5mm, and an internal thread that matches the needle-shaped discharge electrode 1, and its respective rules on the grounding rod body are: distributed on the rod body in layers, and the lay...

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Abstract

The invention provides a multi-needle vertical grounding body, which belongs to the key component of a grounding system. The multi-needle vertical grounding body comprises needle-shaped discharge electrodes and a vertical grounding rod and has a structure in which the needle-shaped discharge electrodes with point discharge effects are connected with the vertical ground rod based on a certain distribution and arrangement rule. According to the multi-needle vertical grounding body, the point discharge effect is realized fully; and the formed vertical grounding system has the great spark discharge capability for the surrounding soil and the duration time is prolonged. The impulse grounding resistance is low, the energy discharge speed is accelerated, and the service life of the component anti-corrosion system is prolonged; and social objectives of grounding system occupied area reduction, land resources saving, and consumed material reduction and the like are achieved.

Description

technical field [0001] The invention belongs to the technical field of grounding systems, is a key component of a protective grounding system, and relates to a multi-pin vertical grounding body. Background technique [0002] The protective grounding system is one of the commonly used grounding systems. At present, the protective grounding system of engineering buildings in my country generally adopts the method of horizontal grounding, which minimizes the impact resistance when the environment is struck by lightning, so that the powerful lightning can be quickly grounded through the grounding system. The current is quickly discharged to the ground, and the horizontal grounding can easily meet the system's requirements for grounding parameters without considering the limitation of the occupied area. However, in today's land (especially cultivated land) is increasingly tight, and urbanization is changing with each passing day, in order to meet the requirements of grounding resi...

Claims

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Application Information

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IPC IPC(8): H01R4/66
Inventor 孙长海文建马海峰曹玉兰薛静梅彭娜娄志迅李维江陈瑾希张强史小龙王明粘凯新
Owner DALIAN UNIV OF TECH
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