CN213150422U

CN213150422U - High-strength high-temperature-resistant cable

Info

Publication number: CN213150422U
Application number: CN202022087339.3U
Authority: CN
Inventors: 陈参波; 纪宏生; 马瑞; 高少鹏; 杨拓
Original assignee: Xi'an Aircraft Industry Group Hengtong Aerospace Electronic Co ltd
Current assignee: Xi'an Aircraft Industry Group Hengtong Aerospace Electronic Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-07
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a high strength high temperature resistant cable, which comprises a cable body, cable body center is equipped with enhancement heart yearn and conductor line, just it twists mutually and sticiss to strengthen heart yearn and conductor line, it is equipped with the material that blocks water to strengthen the clearance packing between heart yearn and the conductor line, it is equipped with a plurality of evenly distributed's conductor to strengthen heart yearn and conductor line outside, and a plurality of the conductor encircles a week around cable body center, the conductor overcoat is equipped with the one deck insulating layer, the insulating layer overcoat is equipped with the one deck enhancement layer. The utility model discloses satisfying high mechanical properties, not influencing the electrical property of product again, making cable product quality improve a grade, satisfying the supersonic speed demand, and having good life.

Description

High-strength high-temperature-resistant cable

Technical Field

The utility model mainly relates to the technical field of electric wire and cable, concretely relates to high strength high temperature resistant cable.

Background

The high-temperature-resistant fluoroplastic cable is widely applied to the field of aerospace and aviation in China, and can meet the requirements of various high-temperature and low-temperature areas of large airplanes and the space environment of space aircrafts. The product has the outstanding advantages of small volume, light weight, high mechanical strength, high and low temperature impact resistance, aging resistance, chemical corrosion resistance, high flame retardance, bending resistance, vibration resistance, hydrolysis resistance, dry and wet arc resistance, cut-through resistance, high use temperature, good electrical performance and mechanical performance, the long-term working temperature of the product can reach-65-200 ℃ (silver-plated conductor) and-65-260 ℃ (nickel-plated conductor), and the product keeps excellent chemical reagent resistance and space environment adaptability in the range. Therefore, the cable with high performance and light weight is a cable product widely demanded in the aviation field.

Because the traditional fluoroplastic insulation high-temperature cable adopts copper or copper-plated conductors, the electrical property requirement of the cable is met, but the conventional cable strength is difficult to meet the existing requirement along with the coming of the supersonic wave era, and the speed of an airplane is further limited to be increased. The conventional conductor structure and installation conditions easily cause water inflow, longitudinal migration and accumulation of moisture and non-volatilization, and meanwhile, because the water polluted by the environment has acidity, the corrosion to the lead is accelerated under the action of an electric field, and the lead strength is reduced, the problems of bulging, wire breakage and the like are caused, so that the normal operation of the circuit is influenced.

In order to meet the market demand, a new high-strength high-temperature cable needs to be developed, which not only meets the high mechanical performance, but also does not influence the electrical performance of the product, improves the quality of the cable product by one grade, and meets the requirement of supersonic speed.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a high-strength high-temperature-resistant cable for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a high strength high temperature resistant cable, includes the cable body, cable body center is equipped with strengthens heart yearn and conductor line, just strengthen heart yearn and conductor line transposition mutually and sticis, it is equipped with the material that blocks water to strengthen the clearance packing between heart yearn and the conductor line transposition mutually, it is equipped with a plurality of evenly distributed's conductor to strengthen heart yearn and conductor line outside, and a plurality of conductor encircles a week around cable body center, the conductor overcoat is equipped with the one deck insulating layer, the insulating layer overcoat is equipped with the one deck enhancement layer.

Preferably, the reinforcing core wire is a copper alloy core, and the conductor wire is a copper single wire. In the preferred embodiment, the copper alloy core is adopted for reinforcement, and the copper single-wire composite stranded wire structure can overcome the defect that the strength of a pure copper conductor is not enough, and has smaller section and lighter weight than a copper alloy stranded wire.

Preferably, the insulating layer is made of fluoroplastic insulating material. In the preferred embodiment, the fluorine-containing polymer insulation is adopted, so that the cable has the characteristics of weather resistance, high temperature resistance, high insulation resistance and low working capacitance, and the service life of the insulated cable is further ensured.

Preferably, the reinforcing layer is woven by flame-retardant high-temperature-resistant aramid fibers. In this preferred embodiment, through adopting fire-retardant high temperature resistant aramid fiber to weave, can realize that the all-round protection cable is not damaged, strengthens the intensity of cable simultaneously.

Compared with the prior art, the utility model has the advantages that the utility model adopts the copper alloy reinforcement, the copper single wire composite stranded wire structure can complement the defect of insufficient strength of the pure copper conductor, and meanwhile, the cross section of the copper alloy stranded wire is smaller and lighter. The cable has the advantages of combining two structures, improving the strength of the cable and ensuring the weight of the cable at the same time, and solving the problem of insufficient strength of the traditional high-temperature cable; the waterproof material is adopted, so that the problems of oxidation and corrosion of the cable lead caused by long distance of water entering the conductor when the cable terminal is not tightly sealed can be solved, the service life of the cable is prolonged, and the cost is reduced; the insulating layer is insulated by adopting the fluorine-containing polymer, so that the cable has the characteristics of weather resistance, high temperature resistance, high insulation resistance and low working capacitance, and the service life of the insulated cable is further ensured; the enhancement layer adopts fire-retardant high temperature resistant aramid fiber to weave, and all-round protection cable does not receive the damage, strengthens the intensity of cable simultaneously.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a flow chart of the manufacturing process of the present invention.

In the figure: 1. reinforcing the core wire; 2. a conductor line; 3. a water blocking material; 4. a conductor; 5. an insulating layer; 6. and a reinforcing layer.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 and 2, the present invention provides a technical solution: a high-strength high-temperature-resistant cable comprises a cable body, wherein a reinforced core wire 1 and a conductor wire 2 are arranged in the center of the cable body, the reinforced core wire 1 and the conductor wire 2 are twisted and tightly pressed, the reinforced core wire 1 is a copper alloy core, the conductor wire 2 is a copper single wire, the copper alloy core is used as a reinforced core, and the periphery of the copper single wire is twisted; a waterproof material 3 is filled in a gap between the reinforcing core wire 1 and the conductor wire 2, the waterproof material 3 is sequentially added into the conductor 4 from the outer layer to the inner layer, in order to enable the waterproof material 3 to be uniformly filled into the gap of each layer, and meanwhile, the conduction of wires among the layers must be ensured, a plurality of uniformly distributed conductor pieces 4 are arranged outside the reinforcing core wire 1 and the conductor wire 2, the plurality of conductor pieces 4 surround the center of the cable body for a circle, an insulating layer 5 is sleeved outside the conductor pieces 4, and the insulating layer 5 is made of a fluoroplastic insulating material; the insulating layer 5 overcoat is equipped with one deck enhancement layer 6, enhancement layer 6 adopts fire-retardant high temperature resistant aramid fiber to weave.

The utility model discloses a concrete operation as follows:

the working personnel firstly fill and twist the copper alloy wire, the copper monofilament and the water-blocking material 3, the copper alloy wire core is used as the strengthening core wire 1, the periphery of the copper monofilament is twisted, the water-blocking material 3 is added into the conductor 4 from the outer layer to the inner layer in sequence, in order to ensure that the water-blocking material 3 is uniformly filled into the gaps of each layer, the conduction of the wires between each layer must be ensured, in the design and manufacture process, a special processing technology and a mould are adopted, the inner part of the conductor 4 is tightly and uniformly pressed, thereby well ensuring the water-blocking performance of the cable, the outer layer of the conductor 4 is cooled by a special device, the surface of the wire core is bright and clean and smooth, the processing of the insulating layer 5 is uniformly hot-extruded and covered by a conventional high-temperature fluoroplastic extrusion device, the computer controls the production speed and the extrusion temperature, the stable extrusion performance index is obtained, the deviation of, the reinforcing layer 6 is woven by adopting flame-retardant high-temperature-resistant twisted aramid fiber, and is woven at a high speed by a 16-spindle high-speed weaving machine.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a high strength high temperature resistant cable, includes the cable body, its characterized in that: the utility model discloses a cable, including cable body, reinforcing core (1) and conductor line (2), just reinforcing core (1) and conductor line (2) transposition mutually and sticis, the clearance between reinforcing core (1) and conductor line (2) is filled and is equipped with water blocking material (3), reinforcing core (1) and conductor line (2) outside is equipped with a plurality of evenly distributed's conductor (4), and a plurality of conductor (4) encircle a week around cable body center, conductor (4) overcoat is equipped with one deck insulating layer (5), insulating layer (5) overcoat is equipped with one deck enhancement layer (6).

2. A high strength, high temperature resistant cable according to claim 1, wherein: the reinforced core wire (1) is a copper alloy core, and the conductor wire (2) is a copper single wire.

3. A high strength, high temperature resistant cable according to claim 2, wherein: the insulating layer (5) is made of a fluoroplastic insulating material.

4. A high strength, high temperature resistant cable according to claim 2, wherein: the reinforcing layer (6) is woven by flame-retardant high-temperature-resistant aramid fibers.