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Cable sheath capable of preventing condensation water from being accumulated for aircraft and fabrication method of cable sheath

A cable sheathing and aircraft technology, which is applied in cable/conductor manufacturing, insulating cables, insulating conductors/cables, etc., can solve the problems of cable freezing, hidden dangers, icing, etc., achieve quick and easy installation and removal, avoid stretch effect

Inactive Publication Date: 2019-11-26
上海纪航电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The aircraft is a device that flies in the atmosphere or outside the atmosphere. It operates in a low-oxygen and low-temperature environment. Therefore, the cables used inside the aircraft need to withstand extremely harsh environments. Whether the cables have safety hazards directly affects the flight safety of the aircraft. , in order to avoid safety hazards caused by wear and tear after long-term use of the cable, it is necessary to wrap a strip of wear-resistant material on the cable to wrap the cable, but the existing material is easy to absorb the accumulation due to the extreme environmental changes of the aircraft Condensed water, in a low temperature environment, will freeze, causing the cable to be frozen. Therefore, a cable sheath for aircraft that can prevent the accumulation of condensed water and its preparation method are proposed

Method used

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  • Cable sheath capable of preventing condensation water from being accumulated for aircraft and fabrication method of cable sheath
  • Cable sheath capable of preventing condensation water from being accumulated for aircraft and fabrication method of cable sheath

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preparation example Construction

[0026] A method for preparing an aircraft cable sheath capable of preventing condensed water from accumulating, the method comprising the following steps:

[0027] Step S1: Weaving PEEK monofilament and Nomex multifilament into multiple protective layers through braiding equipment;

[0028] Step S2: Spray the oleophobic layer on the protective layer woven in step S1, spray the hydrophobic layer after the oleophobic layer is dry, and dry it for later use;

[0029] Step S3: Pass a part of the protective layer sprayed in step S2 through the elastic ring, and wrap the other part of the protective layer around the outer side of the elastic ring, so as to wrap the elastic ring, keep the fracture opening of the elastic ring facing the same direction, and the two ends of the protective layer Align with the break opening of the elastic ring, suture the protective layer on the inner and outer rings of the elastic ring through PEEK monofilament to fix the elastic ring.

Embodiment approach

[0030] As an embodiment of the present invention, the preparation method further includes step S4: on the basis of step S3, on the protective layer located on both sides of the fracture opening of the elastic ring, respectively sew the Velcro rough surface and the Velcro hook surface, and A reinforcement layer is sewed on the wool surface of the Velcro, and the method of manufacturing the reinforcement layer is the same as that of the protective layer.

[0031] As an embodiment of the present invention, the preparation method further includes step S5: on the basis of step S3, weaving an identification thread having a color different from that of the protective layer on the outermost protective layer.

[0032] As an embodiment of the present invention, the identification line is sprayed with a hydrophobic layer and an oleophobic layer.

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Abstract

The invention relates to the field of cable auxiliary parts, in particular to a cable sheath capable of preventing condensation water from being accumulated for an aircraft and a fabrication method ofthe cable sheath. The cable sheath comprises an elastic ring and protection layers, wherein one position of the elastic ring is a state of a broken opening, the elastic ring is straighten by the broken opening, each protection layer is formed by weaving a PEEK single wire and a Nomex composite wire, and at least two protection layers are arranged. Since the protection layers of rectangular sheet-shaped structures, the cable sheath has excellent cutting-resistant performance and wear-resistant performance through the protection layers formed by weaving the PEEK single wire and the Nomex composite wire; and an oleophobic layer and a hydrophobic layer are coated on the protection layers, the cable sheath can be effectively prevented from absorbing condensation water accumulated by the aircraft due to change of an extreme environment, and the cable sheath is prevented from being frozen at high altitude.

Description

technical field [0001] The invention relates to the field of cable auxiliary accessories, in particular to a cable sheath for an aircraft capable of preventing the accumulation of condensed water and a preparation method thereof. Background technique [0002] The structure of the cable is generally a metal core wrapped with an insulating layer. The main function of the insulating layer is to prevent leakage. However, when the cable is used for a long time, due to wear and tear, the outer insulating layer of the cable will be damaged, posing a safety hazard. According to different cable laying environments, the prior art provides a variety of solutions, such as laying pipelines and running cables through the pipelines, wrapping the cables with strip-shaped wear-resistant materials outside the cables, and so on. [0003] The aircraft is a device that flies in the atmosphere or outside the atmosphere. It operates in a low-oxygen and low-temperature environment. Therefore, the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/17H01B7/18H01B7/28H01B7/282H01B7/36H01B7/40H01B13/22H01B13/26H01B13/32
CPCH01B7/17H01B7/1805H01B7/1865H01B7/1875H01B7/28H01B7/2825H01B7/361H01B7/40H01B13/22H01B13/2606H01B13/322
Inventor 支乐明吴文信
Owner 上海纪航电子科技有限公司
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