Light insulating helmet cable

Abstract

The utility model discloses a light insulation helmet cable comprising a cable core, the cable core comprises a plurality of insulation wire cores and a plurality of filling cores, the periphery of the cable core is provided with a wrapping layer, the periphery of the wrapping layer is provided with a shielding layer, and the periphery of the shielding layer is provided with a sheath; the insulating wire core comprises a first conductor and a first insulating layer arranged on the periphery of the first conductor, and the filling core comprises an inner core and a protective layer arranged on the periphery of the inner core; the first insulating layer and the protective layer are made of polypropylene materials. The insulating layer is made of the polypropylene material, so that the helmet is lighter, the comfort of a pilot wearing the helmet is ensured, the weight of the helmet is reduced, the adopted material is recyclable, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a light insulating helmet cable. BACKGROUND

[0002] The helmet cable is a product applied to the helmet of a pilot in the field of aerospace, is a bridge for information collection and transmission on the helmet, needs to have the characteristics of high reliability, good stability, high softness, light weight etc., the insulating layer of the existing helmet cable mostly adopts polyethylene material, this material needs to be irradiated and crosslinked to reach the required performance height, which not only needs more cost in processing, but also the polyethylene after crosslinking cannot be recycled, and the shielding layer of the existing helmet is mostly tinned copper wire material, which has high density and makes the helmet too heavy.

[0003] Therefore, the light insulating helmet cable is designed, the insulating layer adopts polypropylene material, which not only makes the helmet more portable and ensures the comfort of the pilot wearing the helmet, realizes the weight reduction of the helmet, and the material used is recyclable, which reduces the cost. CONTENT OF THE UTILITY MODEL

[0004] In view of the above defects or deficiencies in the prior art, it is expected to provide a light insulating helmet cable which is light in weight, environmentally friendly and recyclable in material, and reduces the cost.

[0005] The utility model provides a light insulating helmet cable, which comprises a cable core, the cable core comprises a plurality of insulating wire cores and a plurality of filling cores, a wrapping layer is arranged on the outer periphery of the cable core, a shielding layer is arranged on the outer periphery of the wrapping layer, and a sheath is arranged on the outer periphery of the shielding layer.

[0006] The insulating wire core comprises a first conductor and a first insulating layer arranged on the outer periphery of the first conductor, and the filling core comprises an inner core and a protective layer arranged on the outer periphery of the inner core; the first insulating layer and the protective layer are both made of polypropylene material.

[0007] Further, the cable core comprises two insulating wire cores and two filling cores, the two insulating wire cores are arranged in parallel, and the two filling cores are symmetrically arranged on the two sides of the two insulating wire cores.

[0008] Further, the first conductor is composed of 16-20 tinned copper wires with a diameter of 0.1-0.2 mm.

[0009] Further, the inner core is made of aramid fiber material.

[0010] Further, the wrapping layer is made of polytetrafluoroethylene film material; the shielding layer is composed of tinned copper-coated aluminum-magnesium alloy wires; and the sheath is made of flame-retardant and mildew-resistant polyurethane elastomer sheath material.

[0011] Compared with the prior art, the utility model has the advantages of:

[0012] The utility model discloses a cable core, the cable core includes a plurality of insulated wire core and a plurality of filling core, and the cable core periphery is provided with a wrapping layer, the wrapping layer periphery is provided with a shielding layer, and the shielding layer periphery is provided with a sheath;The insulated wire core includes a first conductor and the first insulating layer of setting at the first conductor periphery, and the filling core includes the inner core and the sheath of setting at the inner core periphery;The first insulating layer and the sheath all adopt polypropylene material.The insulating layer of the application adopts polypropylene material, not only makes the helmet more portable, guarantees the comfort of the pilot's wearing helmet, realizes the weight reduction of the helmet, and the material used is recyclable, and the cost is reduced.

[0013] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made with reference to the following drawings:

[0015] Fig. 1 It is a structural schematic diagram of cable;

[0016] Fig. 2 It is a cross-sectional structural schematic diagram of cable;

[0017] Reference numerals in the drawings: 1, cable core;2, wrapping layer;3, shielding layer;4, sheath;

[0018] 11, insulated wire core;12, filling core;

[0019] 111, first conductor;112, first insulating layer;

[0020] 121, inner core;122, sheath. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described here are only used to explain the related utility model, and not limited to the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0022] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below in combination with the embodiments and the drawings.

[0023] Please refer to Figs. 1-2The embodiment of the utility model provides a kind of light insulation helmet cable, including cable core 1, cable core 1 includes several insulated wire core 11 and several filling core 12, cable core 1 outer periphery is provided with wrapping layer 2, wrapping layer 2 outer periphery is provided with shielding layer 3, shielding layer 3 outer periphery is provided with sheath 4;

[0024] Insulated wire core 11 includes first conductor 111 and the first insulating layer 112 of being arranged to the first conductor 111 outer periphery;Filling core 12 includes inner core 121 and the protective layer 122 of being arranged to the inner core 121 outer periphery;First insulating layer 112 and protective layer 122 all use polypropylene material;

[0025] Wrapping layer 2 uses polytetrafluoroethylene film material;Shielding layer 3 is woven with tinned copper-coated aluminum-magnesium alloy wire;Sheath 4 uses flame-retardant and mold-resistant polyurethane elastomer sheath material.

[0026] In the embodiment, cable core 1 is arranged at the center of the cable, and cable core 1 includes insulated wire core 11 for providing current and transmitting signals for the cable and filling core 12 for rounding the cable core and enhancing the tensile strength of the cable;Cable core 1 outer periphery is provided with wrapping layer 2 for protecting cable core 1 from external damage and ensuring the stability of the cable, and wrapping layer 2 uses polytetrafluoroethylene film material, which has excellent waterproofness, corrosion resistance and high temperature resistance, can ensure the cable to have stable environment when working, and ensure the stability of signal transmission;The outer periphery of wrapping layer 2 is provided with shielding layer 3, which plays a good electrical shielding role, and shielding layer 3 is woven with tinned copper-coated aluminum-magnesium alloy monofilament, which has good anti-interference performance and lightweight characteristics, can effectively reduce the overall weight of the cable;The outer periphery of shielding layer 3 is provided with sheath 4 for ensuring the integrity of the entire cable and protecting the cable core from damage, and sheath 4 uses flame-retardant and mold-resistant polyurethane elastomer material, which has high flame retardance, mold resistance, high elasticity, tensile resistance and tear resistance, can effectively ensure the reliable transmission of data;

[0027] The center of insulated wire core 11 is provided with first conductor 111, mainly for current and signal transmission;The outer periphery of first conductor 111 is provided with first insulating layer 112 for isolating the current in first conductor 111, ensuring the stability of the current and the safety of the outside;The center of filling core 12 is provided with inner core 121, mainly for improving the tensile strength of filling core 12;The outer periphery of inner core 121 is provided with protective layer 122 for protecting inner core 121 from damage;First insulating layer 112 and protective layer 122 all use polypropylene material, which has excellent insulation performance, impact resistance and mechanical properties, small density and lightweight characteristics, and can be recycled.

[0028] In a preferred embodiment, cable core 1 includes two insulated wire cores 11 and two filling cores 12, the two insulated wire cores 11 are arranged in parallel, and the two filling cores 12 are symmetrically arranged on both sides of the two insulated wire cores 11.

[0029] In the embodiment, the two insulated wire cores 11 and the two filler cores 12 uniformly provide stable signals and currents for the cable, and the two insulated wire cores 11 and the two filler cores 12 are distributed in a diamond shape as a whole, so that the whole structure is more stable and reliable.

[0030] In a preferred embodiment, the first conductor 111 is twisted by 16-20 tin-plated copper wires with a diameter of 0.1-0.2 mm.

[0031] In the embodiment, the first conductor 111 is twisted by 16-20 tin-plated copper wires with a diameter of 0.1-0.2 mm, and the material surface is smooth and bright, has good softness, solderability, corrosion resistance and oxidation resistance, and excellent electrical conductivity in use can reduce energy loss and save energy.

[0032] In a preferred embodiment, the inner core 121 is made of aramid fiber material.

[0033] In the embodiment, the inner core 121 is made of aramid fiber material, which can not only improve the tensile strength of the cable, but also is not easy to break, thereby improving the service life of the cable.

[0034] In the description of the specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In the description of the specification, the terms "one embodiment", "some embodiments" and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0036] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A lightweight, insulated headgear cable, characterized by, The cable core (1) comprises a plurality of insulated wire cores (11) and a plurality of filler cores (12), the cable core (1) is provided with a wrapping layer (2) on the outer periphery, the wrapping layer (2) is provided with a shielding layer (3) on the outer periphery, and the shielding layer (3) is provided with a sheath (4) on the outer periphery; The insulated wire core (11) comprises a first conductor (111) and a first insulating layer (112) provided on the outer periphery of the first conductor (111); the filler core (12) comprises an inner core (121) and a protective layer (122) provided on the outer periphery of the inner core (121); the first insulating layer (112) and the protective layer (122) are both made of polypropylene material.

2. A lightweight insulating headgear cable according to claim 1 characterized in that, The cable core (1) comprises two insulated wire cores (11) and two filler cores (12), the two insulated wire cores (11) are arranged in parallel, and the two filler cores (12) are symmetrically arranged on the two sides of the two insulated wire cores (11).

3. The lightweight insulating headgear cable of claim 1, wherein, The first conductor (111) is made of 16-20 tin-plated copper wires with a diameter of 0.1-0.2 mm.

4. The lightweight insulating headgear cable of claim 1, wherein, The inner core (121) is made of aramid fiber material.

5. The lightweight insulating headgear cable of claim 1, wherein, The wrapping layer (2) is made of polytetrafluoroethylene film material; the shielding layer (3) is made of tin-plated copper-coated aluminum-magnesium alloy wire weaving; and the sheath (4) is made of flame-retardant and mold-resistant polyurethane elastomer sheath material.

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