CN213025515U

CN213025515U - High-temperature-resistant cable

Info

Publication number: CN213025515U
Application number: CN202022397039.5U
Authority: CN
Inventors: 黄铸培
Original assignee: Fujian Lehua Power Equipment Co ltd
Current assignee: Fujian Lehua Power Equipment Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-04-20
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a but high temperature resistance cable conductor, including outer protective layer, the inside of outer protective layer is equipped with the insulating layer, the inside flame retardant coating that is equipped with of insulating layer, the inside oxygen layer that separates that is equipped with of flame retardant coating, separate the inside protective layer that is equipped with of oxygen layer, the inside insulating layer that is equipped with of protective layer, the inside a plurality of cable conductors that are equipped with of insulating layer, the cable conductor is kept away from insulating layer one side is equipped with the backup pad, the backup pad is kept away from the both ends of cable conductor one side all are equipped with aerofoil one, the backup pad is kept away from cable conductor one side center department is equipped with the bracing piece, the other end of bracing piece runs through inside the bearing block, the bearing block is located the inside center department of insulating layer. Has the advantages that: through the setting of flame retardant coating and insulating layer, make the high temperature that the cable conductor produced and outside high temperature can not give the burning out to the ectonexine of cable.

Description

High-temperature-resistant cable

Technical Field

The utility model relates to the technical field of cables, particularly, relate to a but high temperature resistance cable conductor.

Background

The cable is generally a rope-like cable formed by twisting several or several groups of wires (at least two in each group), each group of wires is insulated from each other and usually twisted around one wire as a center, the whole cable is coated with a highly insulating coating, and the cable has the characteristics of internal electrification and external insulation. At present, the cable that has now on the market all extrudees the line together, and the cable is inside can generate heat in long-term use like this, and every line generates heat together and can produce high temperature like this, can burn out the cable very easily, makes the unable normal use of cable, leads to unable normal circular telegram.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a but high temperature resistance cable conductor to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

a high-temperature-resistant cable comprises an outer protective layer, wherein an insulating layer is arranged inside the outer protective layer, a fire-resistant layer is arranged inside the insulating layer, an oxygen-isolating layer is arranged inside the fire-resistant layer, a protective layer is arranged inside the oxygen-isolating layer, a heat-insulating layer is arranged inside the protective layer, a plurality of cables are arranged inside the heat-insulating layer, a support plate is arranged on one side of the cable away from the heat-insulating layer, wind plates I are arranged at two ends of one side of the support plate away from the cables, a support rod is arranged at the center of one side of the support plate away from the cables, the other end of the support rod penetrates into a bearing block, the bearing block is arranged at the center of the heat-insulating layer, a spring is sleeved on the outer surface of the support rod and positioned between the support, the outer surface of the bearing block is provided with a plurality of ventilation openings communicated with the inner part of the bearing block.

Preferably, the ventilation openings and the support rods are arranged on the outer surface of the bearing block in a staggered mode.

Preferably, the spring is a compression spring, and spring washers are arranged at two ends of the spring.

Preferably, the thickness of the oxygen barrier layer is between 2 and 5 mm.

Preferably, the material of the fire-resistant layer is heat-insulating cotton.

The utility model has the advantages that: through the arrangement of the fireproof layer and the heat insulation layer, the inner layer and the outer layer of the cable cannot be burnt out by high temperature generated by the cable and external high temperature; through the design of aerofoil one, aerofoil two, vent, when the cable conductor received the extrusion, the cable conductor drove aerofoil one and the second removal of aerofoil, and aerofoil one produces the air current with aerofoil two, and the high temperature that a plurality of cable conductors produced is taken away to the air current that flows to reduce the inside temperature of cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic general structural diagram of a cable capable of resisting high temperature according to an embodiment of the present invention.

In the figure:

1. an outer protective layer; 2. an insulating layer; 3. a refractory layer; 4. an oxygen barrier layer; 5. a protective layer; 6. a thermal insulation layer; 7. a cable wire; 8. a support plate; 9. a first air plate; 10. a support bar; 11. a bearing block; 12. a spring; 13. a second air plate; 14. and a vent.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a but high temperature resistance cable conductor.

In the first embodiment, as shown in fig. 1, a high temperature resistant cable according to an embodiment of the present invention includes an outer protective layer 1, an insulating layer 2 is disposed inside the outer protective layer 1, a flame retardant layer 3 is disposed inside the insulating layer 2, an oxygen barrier layer 4 is disposed inside the flame retardant layer 3, a protective layer 5 is disposed inside the oxygen barrier layer 4, a heat insulating layer 6 is disposed inside the protective layer 5, a plurality of cables 7 are disposed inside the heat insulating layer 6, a support plate 8 is disposed on a side of the cables 7 away from the heat insulating layer 6, wind plates 9 are disposed on both ends of the support plate 8 away from the cables 7, a support rod 10 is disposed at a center of the support plate 8 away from the cables 7, the other end of the support rod 10 penetrates into a bearing block 11, the bearing block 11 is disposed at a center of the heat insulating layer 6, an outer surface of the support rod 10 is disposed between the support plate 8 and the bearing block 11, the supporting rod 10 is located one end inside the bearing block 11 is provided with a second air plate 13, and the outer surface of the bearing block 11 is provided with a plurality of ventilation openings 14 communicated with the inside of the bearing block.

In the second embodiment, the first air plate 9 and the second air plate 13 are both arc-shaped structures. As can be seen from the design, the first air plate 9 and the second air plate 13 are convenient to generate air flow through the circular arc design.

In the third embodiment, the ventilation openings 14 and the support rods 10 are arranged on the outer surface of the bearing block 11 in a staggered manner. It can be seen from the above design that the ventilation opening 14 and the support rod 10 are arranged in a staggered manner, so that air can be conveniently exhausted from the ventilation opening 14.

In the fourth embodiment, the spring 12 is a compression spring, and spring washers are arranged at both ends of the spring 12. It can be seen from the above design that the service life of the spring 12 is improved by the design of the spring washer.

In the fifth embodiment, the thickness of the oxygen-insulating layer 4 is 2-5mm, and the fire-resistant layer 3 is made of heat-insulating cotton. It can be seen from the above design that the safety of the cable is improved by the arrangement of the oxygen-isolating layer 4 and the fire-resistant layer 3.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

To sum up, with the aid of the above technical scheme of the utility model, through flame retardant coating 5 and insulating layer 6's setting, the condition that the outer ectonexine of cable can not be given to the high temperature that makes cable conductor 7 produce and outside high temperature, during normal use, because a plurality of cable conductor 7 separately set up, can not produce the condition of generating heat, consequently can not produce the high temperature yet, thereby lead to the fact destruction to cable itself, when cable itself receives the extrusion, cable extrusion inside cable conductor 7, cable conductor 7 passes through backup pad 8 extrusion spring 12, bracing piece 10 is deepened inside bearing block 11 simultaneously, along with deepening of backup pad 8 and bracing piece 10, aerofoil 9 and aerofoil two 13 can produce the air current thereupon, the high temperature that produces between a plurality of cable conductor 7 of part is taken away in the flow of air current.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The high-temperature-resistant cable is characterized by comprising an outer protection layer (1), wherein an insulation layer (2) is arranged inside the outer protection layer (1), a fire-resistant layer (3) is arranged inside the insulation layer (2), an oxygen-isolating layer (4) is arranged inside the fire-resistant layer (3), a protection layer (5) is arranged inside the oxygen-isolating layer (4), a heat-insulating layer (6) is arranged inside the protection layer (5), a plurality of cables (7) are arranged inside the heat-insulating layer (6), a support plate (8) is arranged on one side, away from the heat-insulating layer (6), of each cable (7), a first wind plate (9) is arranged at each of two ends, away from one side of the cable (7), of each support plate (8), a support rod (10) is arranged at the center of one side, away from the corresponding cable (7), and the other end of each support rod (10) penetrates, bearing block (11) are located the inside center department of insulating layer (6), bracing piece (10) surface just is located backup pad (8) with the cover is equipped with spring (12) between bearing block (11), bracing piece (10) are located the inside one end of bearing block (11) is equipped with aerofoil two (13), the surface of bearing block (11) is equipped with vent (14) that a plurality of link up rather than internal connection.

2. The high-temperature-resistant cable line as claimed in claim 1, wherein the first wind plate (9) and the second wind plate (13) are both in a circular arc structure.

3. The high-temperature-resistant electric cable according to claim 1, wherein the ventilation openings (14) and the support rods (10) are arranged on the outer surface of the bearing block (11) in a staggered manner.

4. The high-temperature-resistant electric cable according to claim 1, wherein the spring (12) is a compression spring, and both ends of the spring (12) are provided with spring washers.

5. A high temperature resistant electric cable according to claim 1, characterized in that said oxygen barrier layer (4) has a thickness comprised between 2 and 5 mm.

6. The high-temperature-resistant cable line as claimed in claim 1, wherein the material of the flame retardant coating (3) is heat-insulating cotton.