CN207993514U - A kind of aerospace insulated cable - Google Patents

Abstract

The utility model discloses a kind of aerospace insulated cables, including flame-proof polyvinyl chloride oversheath and polyvinyl chloride inner sheath, the polyvinyl chloride inner sheath is internally provided with protection band, plastic cement crust is distributed in the inner homogeneous of the protection band, the plastic cement crust is internally provided with insulating layer, the insulating layer is internally provided with insulation screen, the insulation screen is internally provided with aluminium foil braiding layer, the aluminium foil braiding layer is internally provided with copper conductor, and polypropylene net band is filled between each plastic cement crust.This aerospace insulated cable, copper conductor is to cross silver-colored thin copper wire gluing by multiply to form, not only increase the electric conductivity of copper conductor, also improve the stability of entire cable, the setting of flame-proof polyvinyl chloride oversheath improves the anti-flammability of cable, and the setting of insulating layer and insulation screen makes cable have good insulation performance.

Description

A kind of aerospace insulated cable

Technical field

The utility model is related to field of cable technology, specially a kind of aerospace insulated cable.

Background technology

Electric wire refers to the wire rod for electric power, communication and associated transport purposes, be conveying electric energy, transmit information and into Row electromagnetic conversion and the various motors of manufacture, electric appliance, the indispensable basic equipment of instrument institute.Our times resource is increasingly tight , it is also extremely stringent to material used in electric wire, for the electronic material for lead frame, terminal, connector etc., Fundamental characteristics as product, it is desirable that high intensity and high electric conductivity or thermal conductivity have both.

The growth of China's economic continuously and healthily provides the huge market space for cable products, and Chinese market is strong Temptation so that sight is all focused on Chinese market by the world, in short decades of reforming and opening up to the outside world, Chinese cable manufacturing industry institute The huge production capacity formed allows the world to regard with special esteem.With China electric power industry, data communication industry, urban track traffic industry, The continuous expansion of the industry sizes such as car industry and shipbuilding, the demand to electric wire will also increase rapidly, the following electric wire Industry also has huge development potentiality.

With popularizing for power cable, cable fault rate also increases therewith.Cable often leads to electrical fire, surrounding Adjacent cable also destroys, and causes irremediable loss to entire electric system, and cable is more easily damaged.And cable surface layer Sheath burning after the dense smoke that generates so that rescue task difficulty is increased.

Utility model content

The purpose of this utility model is to provide a kind of aerospace insulated cables, to solve above-mentioned background technology The problem of middle proposition.

To achieve the above object, the utility model provides the following technical solutions：A kind of aerospace insulated cable, Including flame-proof polyvinyl chloride oversheath and polyvinyl chloride inner sheath, the polyvinyl chloride inner sheath, which is located at outside flame-proof polyvinyl chloride, to be protected The inside of set, and be equipped between polyvinyl chloride inner sheath and flame-proof polyvinyl chloride oversheath and reinforce steel band, in the polyvinyl chloride Sheath is internally provided with protection band, and plastic cement crust, the inside of the plastic cement crust is distributed in the inner homogeneous of the protection band Equipped with insulating layer, the insulating layer is internally provided with insulation screen, and the insulation screen is internally provided with aluminium foil braiding layer, described Aluminium foil braiding layer is internally provided with copper conductor, and polypropylene net band is filled between each plastic cement crust.

Preferably, gluing has multiply to cross silver-colored thin copper wire inside the copper conductor, and crosses a diameter of 0.06- of silver-colored thin copper wire 0.09 millimeter.

Preferably, the outer wall of the flame-proof polyvinyl chloride oversheath is enclosed with the film that blocks water.

Preferably, the thickness of the insulating layer is 0.2-0.3 millimeters.

Preferably, the thickness of the aluminium foil braiding layer is 0.8-0.9 millimeters.

Preferably, the cross sectional shape of the copper conductor is round, and a diameter of 10-12 millimeters of copper conductor.

Compared with prior art, the utility model has the beneficial effects that：This aerospace insulated cable, copper conductor It is to cross silver-colored thin copper wire gluing by multiply to form, not only increases the electric conductivity of copper conductor, also improve the stabilization of entire cable Performance, the setting of flame-proof polyvinyl chloride oversheath improve the anti-flammability of cable, and the setting of insulating layer and insulation screen makes Cable has good insulation performance.

Description of the drawings

Fig. 1 is the utility model internal structure schematic diagram；

Fig. 2 is the utility model schematic cross-sectional view；

Fig. 3 is enlarged structure schematic diagram at the utility model A.

In figure：Steel band, 3 polyvinyl chloride inner sheaths, 4 protection bands, 5 polypropylene are reinforced in 1 flame-proof polyvinyl chloride oversheath, 2 Guipure, 6 plastic cement crusts, 7 insulating layers, 8 insulation screens, 9 copper conductors, 10 aluminium foil braiding layers.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of aerospace insulated cable, packet Flame-proof polyvinyl chloride oversheath 1 and polyvinyl chloride inner sheath 3 are included, the polyvinyl chloride inner sheath 3 is located at outside flame-proof polyvinyl chloride The inside of sheath 1, and be equipped between polyvinyl chloride inner sheath 3 and flame-proof polyvinyl chloride oversheath 1 and reinforce steel band 2, the polychlorostyrene Ethylene inner sheath 3 is internally provided with protection band 4, and plastic cement crust 6, the plastic cement is distributed in the inner homogeneous of the protection band 4 Crust 6 is internally provided with insulating layer 7, and the insulating layer 7 is internally provided with insulation screen 8, and the insulation screen 8 is internally provided with Aluminium foil braiding layer 10, the aluminium foil braiding layer 10 are internally provided with copper conductor 9, polypropylene are filled between each plastic cement crust 6 Guipure 5.

Specifically, 9 inside gluing of the copper conductor has multiply to cross silver-colored thin copper wire, and cross a diameter of 0.06- of silver-colored thin copper wire 0.09 millimeter.

Specifically, the outer wall of the flame-proof polyvinyl chloride oversheath 1 is enclosed with the film that blocks water.

Specifically, the thickness of the insulating layer 7 is 0.2-0.3 millimeters.

Specifically, the thickness of the aluminium foil braiding layer 10 is 0.8-0.9 millimeters.

Specifically, the cross sectional shape of the copper conductor 9 is circle, and a diameter of 10-12 millimeters of copper conductor 9.

When specifically used, copper conductor 10 is to cross silver-colored thin copper wire gluing by multiply to form, and not only increases leading for copper conductor 10 Electrical property, also improves the stability of entire cable, and the setting of flame-proof polyvinyl chloride oversheath 1 improves the fire-retardant of cable Property, the setting of insulating layer 7 and insulation screen 8 makes cable have good insulation performance.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of aerospace insulated cable, including flame-proof polyvinyl chloride oversheath（1）And polyvinyl chloride inner sheath （3）, it is characterised in that：The polyvinyl chloride inner sheath（3）Positioned at flame-proof polyvinyl chloride oversheath（1）Inside, and polychlorostyrene second Alkene inner sheath（3）With flame-proof polyvinyl chloride oversheath（1）Between be equipped with reinforce steel band（2）, the polyvinyl chloride inner sheath（3）It is interior Portion is equipped with protection band（4）, the protection band（4）Inner homogeneous plastic cement crust is distributed with（6）, the plastic cement crust（6） Be internally provided with insulating layer（7）, the insulating layer（7）It is internally provided with insulation screen（8）, the insulation screen（8）It is internal Equipped with aluminium foil braiding layer（10）, the aluminium foil braiding layer（10）It is internally provided with copper conductor（9）, each plastic cement crust（6）Between Filled with polypropylene net band（5）.

2. a kind of aerospace insulated cable according to claim 1, it is characterised in that：The copper conductor（9） Internal gluing has multiply to cross silver-colored thin copper wire, and crosses a diameter of 0.06-0.09 millimeters of silver-colored thin copper wire.

3. a kind of aerospace insulated cable according to claim 1, it is characterised in that：The fire-retardant polychlorostyrene second Alkene oversheath（1）Outer wall be enclosed with the film that blocks water.

4. a kind of aerospace insulated cable according to claim 1, it is characterised in that：The insulating layer（7） Thickness be 0.2-0.3 millimeters.

5. a kind of aerospace insulated cable according to claim 1, it is characterised in that：The aluminium foil braiding layer （10）Thickness be 0.8-0.9 millimeters.

6. a kind of aerospace insulated cable according to claim 1, it is characterised in that：The copper conductor（9） Cross sectional shape be circle, and copper conductor（9）A diameter of 10-12 millimeters.