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Direct lightning strike protection device and its protection evaluation method for shipborne shortwave communication system

A short-wave communication and protective device technology, which is applied to overvoltage arresters using spark gaps, design optimization/simulation, and structural connection of antenna grounding switches. It can solve problems such as direct lightning strikes, and achieve long electrode life and stable breakdown thresholds. Effect

Active Publication Date: 2021-01-19
CHINA SHIP DEV & DESIGN CENT
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a shipborne short-wave communication system direct lightning strike protection device and its protection evaluation method, aiming to solve the problem that the short-wave communication system may encounter direct lightning strikes because the whip antenna is outside the protection range of the ship's lightning rod

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  • Direct lightning strike protection device and its protection evaluation method for shipborne shortwave communication system
  • Direct lightning strike protection device and its protection evaluation method for shipborne shortwave communication system
  • Direct lightning strike protection device and its protection evaluation method for shipborne shortwave communication system

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Embodiment Construction

[0048] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] It should be noted that, in the description of the present invention, the terms "horizontal", "vertical", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, and It is not to indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, or operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be cons...

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Abstract

The invention discloses a direct lightning strike protection device for a shipborne short-wave communication system, which comprises an outer insulating cylinder, an outer upper electrode, an inner upper electrode, an outer lower electrode and an inner lower electrode. The outer insulating cylinder is provided with a hollow chamber and its top end and The bottom ends are provided with openings, the inner upper electrode and the inner lower electrode are located above and below the outer insulating cylinder chamber respectively, one end of the outer upper electrode is inserted into the inner chamber to connect with the inner upper electrode, and one end of the outer lower electrode is inserted into the inner chamber Connected with the inner lower electrode, the outer upper electrode and the inner upper electrode are provided with interconnected air outlet channels, and the outer lower electrode and inner lower electrode are each provided with interconnected air intake channels. The invention also discloses a protection evaluation method of the direct lightning strike protection device of the ship-borne short-wave communication system. The ship-borne short-wave communication system direct lightning protection device solves the problem that the short-wave communication system may encounter direct lightning strikes because the whip antenna is outside the protection range of the ship's lightning rod.

Description

technical field [0001] The invention relates to the technical field of lightning protection, in particular to a direct lightning strike protection device for a ship-borne short-wave communication system and a protection evaluation method thereof. Background technique [0002] In general, use the ship's mast to install a lightning rod, so that some electronic equipment on the mast and deck are placed within the protection range of the lightning rod, reducing the probability of being directly struck by lightning. However, due to the constraints of overall resources, lightning rods often have limitations in height, weight, and quantity. As a result, some shipboard equipment, especially whip antennas in various short-wave communication systems, are not within the protection range of lightning rods and are still threatened by direct lightning strikes. In the event of a lightning strike, the instantaneous large lightning strike current will be conducted along the antenna to the ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/50H01T4/12H01T4/02H01T4/04H01T1/24G06F30/20
CPCH01Q1/50H01T4/12H01T4/02H01T4/04H01T1/24G06F30/20
Inventor 王冬冬陈亮何孟兵王文嘉郑生全
Owner CHINA SHIP DEV & DESIGN CENT
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