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Explosion-proof fiber optic connection components

A technology of optical fiber connection components and optical fiber connection, which is applied in the direction of optical components, optics, light guides, etc., and can solve problems such as connector flashover

Active Publication Date: 2021-03-30
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When using conventional connectors in such hazardous areas, flashover may occur between the individual contacts of the connector

Method used

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  • Explosion-proof fiber optic connection components
  • Explosion-proof fiber optic connection components
  • Explosion-proof fiber optic connection components

Examples

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Embodiment Construction

[0014] The following is a detailed description of exemplary embodiments of the present invention. The exemplary embodiments described herein and illustrated in the accompanying drawings are intended to teach the principles of the invention to enable one of ordinary skill in the art to make and use the invention in many different environments and in many different applications. Therefore, the exemplary embodiments are not intended and should not be considered as a limiting description of the scope of patent protection. Rather, the scope of patent protection shall be defined by the appended claims.

[0015] The present invention is based in part on the recognition that conventional explosion-proof fiber optic connection assemblies use casting compounds or flame retardant resins to provide explosion-proof properties.

[0016] Within the meaning of the present invention, the term "explosion-proof" describes the ability of a component to withstand the pressure of an explosion occu...

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Abstract

An explosion-proof fiber optic connection assembly (100) for use in explosion-hazardous areas is disclosed. The explosion-proof optical fiber connection assembly (100) comprises a first connector (110), which has a first optical fiber inlet (131) and a first optical fiber outlet (132); a second connector (120), which has a second optical fiber inlet (161 ) and a second optical fiber outlet (160); and an optical fiber connection unit (210) without casting compound, the optical fiber connection unit (210) is interconnected between the first connector (110) and the second connector (120) and includes At least one optical fiber channel (240) passing therethrough for the optical fiber (250) connected to the first optical fiber outlet (132) and the second optical fiber inlet (161), wherein the size of the inner diameter of the at least one optical fiber channel (240) is set to Prevent flames or sparks from passing through passages (240).

Description

technical field [0001] The present invention relates generally to an explosion proof fiber optic connection assembly, and in particular, to an explosion proof fiber optic connection assembly for use in underground mining applications. Background technique [0002] In some environments, the use of conventional connectors, such as plug and socket arrangements, may pose a safety risk if placed in an environment where explosive or flammable substances, such as flammable gases or fines, may be present. These environments may exist, for example, in underground mining applications and may be referred to as explosion hazard areas, or more generally hazardous areas. When conventional connectors are used in such hazardous areas, flashover may occur between the various contacts of the connector. Sparks may ignite explosive or combustible substances in the surrounding environment, causing a fire or explosion. [0003] Therefore, to prevent fires or explosions in such hazardous areas, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/44G02B6/42
CPCG02B6/4273G02B6/3814G02B6/3897G02B6/4248G02B6/4428G02B6/4439
Inventor N·施瓦茨J·马特恩J·提斯切特
Owner CATERPILLAR INC