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Mineral insulated cable assembly

A technology of mineral insulated cables and components, applied in the direction of electrical components, circuits, two-component connection devices, etc., can solve problems such as easy aging

Pending Publication Date: 2019-04-05
STATE NUCLEAR POWER AUTOMATION SYST ENGCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a mineral insulated cable assembly in order to overcome the defect that the cable assembly introduces organic materials for transfer sealing in the prior art and is easy to age.

Method used

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  • Mineral insulated cable assembly
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Embodiment Construction

[0063] A preferred embodiment will be given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.

[0064] Such as figure 1As shown, the present invention provides a mineral insulated cable assembly, which includes several cables 1, and the cables 1 use inorganic mineral insulated 2-core cables. The cable 1 in this embodiment is not limited to inorganic mineral insulated 2-core cables, and other inorganic mineral insulated 1-core or multi-core cables can also be used to meet the smaller bending radius requirements and facilitate the branching of mineral insulated cable assemblies . Cut the cable 1 using a point-type or line-type laser machine. After cutting, the end of the cable 1 is covered with a stainless steel sleeve slightly larger than the outer diameter of the cable 1. The end of the core wire of the cable 1 protrudes from the sleeve. Then the casing is filled with inorganic glass powder 5 for hig...

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Abstract

The present invention provides a mineral insulated cable assembly, the mineral insulated cable assembly includes cables, wherein the cables adopt inorganic mineral insulated cables, and the mineral insulated cable assembly further comprises: a connector set, wherein the connector set is used for connecting one end of the two cables; a bellows, wherein the bellows is sleeved on an outer circumference of a plurality of the cables, and the bellows is for protecting the cables; and a connector transfer tail attachment, and the connector transfer tail attachment is fixedly connected to the connector set and the bellows. The mineral insulated cable assembly adopts an inorganic design, and enables the cables, the connector, and the transfer tail attachment etc. in the assembly to be free of organic materials, and has no heat aging and irradiation aging mechanism, and can meet very demanding working environment such as high temperature, high pressure, high humidity and high irradiation etc. inside or on edge of a reactor pressure vessel, can meet 60-year working life, and enables the connector to meet 200 insertions and removals.

Description

technical field [0001] The invention relates to the field of signal transmission in the reactor containment of a nuclear power plant, in particular to a mineral insulated cable assembly. Background technique [0002] In the scenario of a nuclear power plant reactor, it is usually necessary to use cables to transmit electrical signals in the reactor containment of the nuclear power plant. Due to the harsh environment in the reactor containment, the harsh environment of high temperature, high humidity, high pressure and high radiation needs to ensure that the cables can It has high insulation characteristics and can resist all external influence factors, so the requirements for cables are also very strict. [0003] The integration design of traditional mineral insulated cable assemblies currently used is mostly: the connectors are usually insulated with PEEK or polyimide. The mineral insulated cable is sealed by epoxy resin, the organic wire and the connector pin are brazed t...

Claims

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Application Information

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IPC IPC(8): H01R24/28H01R24/20H01R13/533H01R13/504H01R13/502H01R13/405
CPCH01R13/405H01R13/502H01R13/504H01R13/533H01R24/20H01R24/28
Inventor 胡铸萱李树成刘文臻
Owner STATE NUCLEAR POWER AUTOMATION SYST ENGCO
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