Anti-lightning protection components

A protection component and anti-lightning strike technology, which is applied in the direction of electrical components, emergency protection devices, emergency protection circuit devices, etc., can solve the problem that the anti-lightning strike performance cannot be improved, and achieve the effect of improving the anti-lightning strike performance

Active Publication Date: 2018-09-25
NANJING SART SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the anti-lightning strike performance of the protection element in the prior art cannot be improved, the present invention provides an anti-lightning strike protection element, which has a simple structure and strong anti-lightning strike ability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] like figure 2 As shown, it is a miniature anti-lightning protection component, including insulator 1, melt 2, electrode 3, solder 4, and metal lightning protection structure 5. A square metal cap placed on it. Set at both ends of the insulator 1, the two ends of the melt 2 are fixed in the middle of the electrodes 3 at both ends by solder 4 and electrically connected with the electrodes 3 at both ends.

[0019] At least one metal lightning protection structure 5 is provided near the solder 4 in the storage chamber of the insulator 1. In this embodiment, metal lightning protection structures 5 are provided on the four walls of the storage chamber, that is, the entire protection element is provided with 8 metal lightning protection structures were installed 5. The metal lightning protection structure 5 is a thin metal sheet or metal film. In this embodiment, it is a copper foil tape, which is made into a square piece with a size of 2mm*2mm. Copper foil tape, the micro...

Embodiment 2

[0024] like image 3 As shown, the difference from Embodiment 1 is that the metal lightning protection structure 5 is a metal film / or a thin metal sheet, which is arranged on the outer wall of the insulating tube 1 close to the electrodes 3 at both ends by printing, electroplating, pasting, etc. , not in contact with the electrodes 3 at both ends. The metal lightning protection structure 5 is preferably made of a copper film by electroplating, or a silver film by printing, or pasted with a copper foil tape.

[0025] In the above two embodiments, the metal lightning protection structure 5 can also be a disc or other shapes, and it can also be a ring shape arranged on the inner wall or outer wall at both ends of the insulating tube 1 and close to the electrode 3, but it must be ensured that they are close to each other. The metal lightning protection structures 5 of the electrodes 3 at both ends are not in contact, otherwise the fusing performance of the protection element may ...

Embodiment 3

[0028] like Figure 4 As shown, a chip type miniature anti-lightning protection component includes an insulating substrate 6, a melt 2 carried on the top surface of the insulating substrate and electrodes 3 located at both ends of the insulating substrate, and the melt 2 is between the electrodes at both ends and connected to the The electrodes 3 at both ends form an electrical connection. The insulating protective layer 7 covers the melt 2 and does not cover the electrodes 3. The metal lightning protection structure 5 is arranged on the side of the substrate in the area where no electrodes are arranged at both ends. The place close to the electrodes is not in contact with the electrodes. Alternatively, the fuse contacts are not covered by the insulating protective layer 7, and the lightning protection structures respectively arranged near the electrodes at both ends are not in contact with each other. The metal lightning protection structure 5 is a metal thin film / or a thin m...

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PUM

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Abstract

The invention discloses a lightning-stroke-resisting protective element. The lightning-stroke-resisting protective element comprises a fuse, two electrodes electrically connected with the two ends of the fuse, and an insulator that is connected with the two electrodes and used for supporting the two electrodes concurrently, wherein at least a metal anti-thunder structure is arranged on the insulator for receiving charge deposition. When lightning stroke voltage appears at the two ends of the lightning-stroke-resisting protective element, the lightning stroke voltage instantly causes air breakdown to enable charges to be deposited on the metal anti-thunder structure so as to greatly lower instantaneous current passing through the protective element fuse in order to prevent the protective element fuse from being fused under the lightning stroke state.

Description

technical field [0001] The invention belongs to a protection element, in particular to an overcurrent protection element structure with strong anti-lightning strike capability. Background technique [0002] The current protection components in the prior art, especially the small over-current protection components, use the method of improving the anti-surge ability to improve the anti-lightning effect, but the improvement of the anti-surge ability has reached the limit in the prior art, especially Especially in the case of small size and small current specification, improving the anti-surge capability will have a serious conflict with the 2In fusing time of the product. E.g figure 1 A miniature overcurrent protection element with a length of less than 10mm and a current specification of 1A can only achieve a maximum lightning resistance of 1KV. In order to improve its lightning resistance, the fuse is changed to a winding form, which can only improve the lightning resistance...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/04H01H85/042
CPCH01H85/042H02H9/04
Inventor 南式荣杨漫雪陈慷
Owner NANJING SART SCI & TECH DEV
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