High-temperature-resistant composite cable

Abstract

The utility model relates to the technical field of cables, and discloses a high-temperature-resistant composite cable, which comprises a cable body, the cable body comprises an outer sheath, a flame-retardant filler and a plurality of inner cores, the plurality of inner cores are arranged in the flame-retardant filler, the outer sheath is arranged on the circumferential outer wall of the flame-retardant filler, the outer sheath comprises an armored sleeve, and the armored sleeve is arranged in the flame-retardant filler. The armored sleeve is arranged on the outer side of the flame-retardant filler through a wrapping technology, the first heat insulation sleeve is arranged on the outer side of the armored sleeve through an extrusion technology, and the protective sleeve is arranged on the outer side of the first heat insulation sleeve through an extrusion technology. According to the utility model, not only can the strength of the cable be increased, the cable has higher strength, but also the cable has a better high-temperature-resistant effect, the high-temperature-resistant performance of the cable is realized, double protection can be carried out on the cable, double high-temperature resistance of the cable is realized, and the high-temperature-resistant effect of the cable is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically to a high-temperature resistant composite cable. Background Art

[0002] Cable refers to materials used for power, communication and related transmission purposes. It is an electrical device used to transmit electrical energy or signals, consisting of one or more conductors and insulating materials.

[0003] The environment where thermal equipment in some special industries is located is relatively harsh, especially the ambient temperature is extremely high, even reaching 500°C. Such a high temperature environment is a test for the supporting cables. Therefore, the working state of the cable directly determines the safety performance of the supporting thermal equipment. In order to solve such problems, this application proposes a new structure of high-temperature resistant composite cable. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high temperature resistant composite cable to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a high-temperature resistant composite cable, comprising a cable body, wherein the cable body comprises an outer sheath, a flame-retardant filler and a plurality of inner cores, wherein the plurality of inner cores are arranged in the flame-retardant filler, the outer sheath is arranged on the circumferential outer wall of the flame-retardant filler, the outer sheath comprises an armored sheath, the armored sheath is arranged on the outer side of the flame-retardant filler by a winding process, the outer side of the armored sheath is provided with an insulating sheath 1 by an extrusion process, and the outer side of the insulating sheath 1 is provided with a protective sheath by an extrusion process.

[0006] As a further solution of the utility model, the plurality of inner cores each include a plurality of copper cores, and an inner sheath is disposed on the outer side of the plurality of copper cores.

[0007] As a further solution of the utility model, the inner sheath includes an insulating sheath, and the insulating sheath is arranged on the outside of the multiple copper cores through an extrusion process.

[0008] As a further solution of the utility model, a second heat-insulating sleeve is provided on the outer side of the insulating sleeve through an extrusion process.

[0009] As a further solution of the utility model, the insulating sleeve and the heat-insulating sleeve are both equal in length to the copper core.

[0010] Technical effects and advantages of the utility model:

[0011] 1. The utility model is provided with a heat-insulating sleeve and an armor sleeve, wherein the armor sleeve is wrapped with two iron wires interlaced to form a mesh, thereby increasing the strength of the cable itself and making the cable have a higher strength. The heat-insulating sleeve is made of a high-purity aluminum silicate refractory material, which is made of industrial alumina and high-purity silica sand or quartz sand as raw materials, and a small amount of B2O3 or ZrO2 as additives can also be added, and the ingredients are mixed and melted, so that the cable has a better high-temperature resistance effect and realizes the high-temperature resistance performance of the cable.

[0012] 2. The utility model is provided with a second heat-insulating sleeve, the material of which is a high-purity aluminum silicate refractory material, which is made of industrial alumina and high-purity silica sand or quartz sand as raw materials, and can also be made of a small amount of B2O3 or ZrO2 as additives, and is mixed and melted to have a good high-temperature resistance effect, so that the cable can be double-protected, the cable can achieve double high-temperature resistance, and the high-temperature resistance effect of the cable is further improved.

[0013] 3. The utility model is provided with a flame retardant filler, which is phenolic foam. Phenolic foam is a closed-cell rigid foam plastic made of phenolic resin and flame retardant, smoke suppressant, curing agent, foaming agent, other additives and other substances through a scientific formula. It has good flame retardant properties, can prevent the cable from catching fire, achieve the flame retardant properties of the cable, and improve the safety of cable use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the outer sleeve of the utility model.

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the inner package of the present utility model.

[0017] The figures are marked as follows: 1. cable body; 2. outer sheath; 3. flame retardant filler; 4. inner core; 5. protective sheath; 6. thermal insulation sheath 1; 7. armor sheath; 8. inner sheath; 9. copper core; 10. insulating sheath; 11. thermal insulation sheath 2. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative, and the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0019] Reference Figure 1-Figure 3 The utility model provides a high temperature resistant composite cable, including a cable body 1, the cable body 1 includes an outer sheath 2, a flame retardant filler 3 and a plurality of inner cores 4, the plurality of inner cores 4 are arranged in the flame retardant filler 3, the outer sheath 2 is arranged on the circumferential outer wall of the flame retardant filler 3, the material of the flame retardant filler 3 is phenolic foam, the outer sheath 2 includes an armored sheath 7, the armored sheath 7 is arranged on the outer side of the flame retardant filler 3 by a wrapping process, the outer side of the armored sheath 7 is provided with a heat insulating sheath 6 by an extrusion process, and the outer side of the heat insulating sheath 6 is provided with a heat insulating sheath 6 by an extrusion process. A protective sleeve 5 is provided, and the material of the protective sleeve 5 is rubber. The armor sleeve 7 is wrapped by two iron wires interlaced to form a mesh, so as to increase the strength of the cable itself and make the cable have higher strength. The material of the heat-insulating sleeve 6 is high-purity aluminum silicate refractory material. The high-purity aluminum silicate refractory material uses industrial alumina and high-purity silica sand or quartz sand as raw materials, and a small amount of B2O3 or ZrO2 as additives can also be added. The ingredients are mixed and melted, so that the cable has a better high temperature resistance effect and realizes the high temperature resistance performance of the cable.

[0020] In the utility model, the plurality of inner cores 4 include a plurality of copper cores 9, the outer sides of the plurality of copper cores 9 are provided with inner sheaths 8, the inner sheaths 8 include an insulating sheath 10, the material of the insulating sheath 10 is rubber, the insulating sheath 10 is arranged on the outer sides of the plurality of copper cores 9 by an extrusion process, the outer sides of the insulating sheath 10 are provided with an insulating sheath 2 11 by an extrusion process, the insulating sheath 10 and the insulating sheath 2 11 are both equal in length to the copper core 9, the material of the insulating sheath 2 11 is a high-purity aluminum silicate refractory material, the high-purity aluminum silicate refractory material uses industrial alumina and high-purity silica sand or quartz sand as raw materials, and a small amount of B2O3, or ZrO2, etc. can also be added as additives, and the ingredients are mixed and melted, and the material has good high temperature resistance, so that the cable can be double protected, the double high temperature resistance of the cable can be achieved, and the high temperature resistance of the cable is further improved.

[0021] The working principle of the utility model is as follows: using rubber as a raw material to form an insulating sleeve 10 through an extrusion process on the outside of multiple copper cores 9, using high-purity aluminum silicate refractory material on the outside of the insulating sleeve 10 through an extrusion process to form a heat-insulating sleeve 11, thereby forming an inner core 4, closing the multiple inner cores 4, and then using phenolic foam as a raw material to form a flame-retardant filler 3 on the outside of the multiple inner cores 4 through an extrusion process;

[0022] Subsequently, the two iron wires are interlaced and woven into a metal mesh, and the metal mesh is arranged on the outside of the flame-retardant filler 3 through a wrapping process to form an armor sleeve 7. The armor sleeve 7 can increase the strength of the cable itself, so that the cable has a higher strength. Then, a high-purity aluminum silicate refractory material is used to form an insulation sleeve 1 6 on the outside of the armor sleeve 7 through an extrusion process. The materials of the insulation sleeve 1 6 and the insulation sleeve 2 11 are both high-purity aluminum silicate refractory materials. The high-purity aluminum silicate refractory material uses industrial alumina and high-purity silica sand or quartz sand as raw materials, and a small amount of B2O3, or ZrO2, etc. can also be added as additives. The ingredients are mixed and melted, so that the cable has a better high-temperature resistance effect. With the cooperation of the insulation sleeve 1 6 and the insulation sleeve 2 11, the cable can be double-protected, and the double high-temperature resistance of the cable is achieved, which further improves the high-temperature resistance of the cable.

[0023] Finally, the protective sleeve 5 is formed on the outer side of the heat insulating sleeve 6 by using rubber as raw material through an extrusion process, thereby manufacturing the cable body 1.

[0024] Finally, a few points should be explained: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, and can be mechanical or electrical connections, or internal connectivity between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the described object changes, the relative position relationship may change. In the drawings of the embodiments disclosed in the present utility model, only the structures involved in the embodiments disclosed in the present utility model are involved. Other structures can refer to the usual design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

Claims

1. A high temperature resistant composite cable, comprising a cable body (1), characterized in that: The cable body (1) comprises an outer sheath (2), a flame retardant filler (3) and a plurality of inner cores (4), wherein the plurality of inner cores (4) are arranged in the flame retardant filler (3), the outer sheath (2) is arranged on the circumferential outer wall of the flame retardant filler (3), the outer sheath (2) comprises an armored sheath (7), the armored sheath (7) is arranged on the outer side of the flame retardant filler (3) by a wrapping process, the outer side of the armored sheath (7) is provided with a heat insulating sheath (6) by an extrusion process, and the outer side of the heat insulating sheath (6) is provided with a protective sheath (5) by an extrusion process.

2. A high temperature resistant composite cable according to claim 1, characterized in that: The plurality of inner cores (4) each comprises a plurality of copper cores (9), and an inner sheath (8) is provided on the outer side of the plurality of copper cores (9).

3. A high temperature resistant composite cable according to claim 2, characterized in that: The inner sheath (8) comprises an insulating sheath (10), and the insulating sheath (10) is arranged on the outside of a plurality of copper cores (9) by an extrusion process.

4. A high temperature resistant composite cable according to claim 3, characterized in that: The outer side of the insulating sleeve (10) is provided with a second heat insulating sleeve (11) through an extrusion process.

5. A high temperature resistant composite cable according to claim 4, characterized in that: The insulating sleeve (10) and the second heat-insulating sleeve (11) are both equal in length to the copper core (9).

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