CN214753066U

CN214753066U - High-temperature-resistant compensation cable

Info

Publication number: CN214753066U
Application number: CN202120947468.7U
Authority: CN
Inventors: 陈彪; 何帮飞; 杨荣; 王膑
Original assignee: Zhongte Cable Chongqing Co ltd
Current assignee: Zhongte Cable Chongqing Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-16
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to the technical field of cables, and a high temperature resistant compensating cable is disclosed, conductor sinle silk including a plurality of symmetry settings, interior semiconduction shielding layer has been cup jointed to a plurality of conductor sinle silk's surface is all fixed, the fixed insulating layer that has cup jointed of surface on interior semiconduction shielding layer, outer semiconduction shielding layer has been cup jointed to the lateral wall of insulating layer, the fixed metallic shield that has cup jointed of lateral wall on outer semiconduction shielding layer, the weaving layer has been cup jointed to a plurality of conductor sinle silk's outside, the weaving layer sets up with the lateral wall contact on a plurality of metallic shield, the outer inoxidizing coating has been cup jointed to the lateral wall of weaving layer. The utility model discloses make compensation cable have stronger heat-resisting result of use, improve the stability in use under the cable special type environment.

Description

High-temperature-resistant compensation cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to high temperature resistant compensating cable.

Background

The compensation cable is used for extending the cold ends of the multipoint thermodes and the movable thermocouples and is connected with the display instrument to form a multipoint temperature measurement system, so that the multipoint temperature measurement system is widely used in the electric energy transmission process of the submersible motor.

The existing cable needs to have multiple use characteristics in the use process, the working conditions of part of compensation cables are special, and the compensation cables need to work in a hot environment, but the heat resistance of the traditional compensation cables in the use process is poor, so that the use stability of the cable is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the compensation cable is relatively poor in stability in use under the hot environment among the prior art, and the high temperature resistant compensation cable who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the high-temperature-resistant compensation cable comprises a plurality of symmetrically-arranged conductor wire cores, wherein inner semiconductive shielding layers are fixedly sleeved on the outer surfaces of the plurality of conductor wire cores, insulating layers are fixedly sleeved on the outer surfaces of the inner semiconductive shielding layers, outer semiconductive shielding layers are fixedly sleeved on the outer side walls of the insulating layers, and metal shielding layers are fixedly sleeved on the outer side walls of the outer semiconductive shielding layers;

it is a plurality of the weaving layer has been cup jointed to the outside of conductor sinle silk, the weaving layer is with a plurality of the lateral wall contact setting of metallic shield layer, the outer inoxidizing coating has been cup jointed to the lateral wall of weaving layer fixedly.

Preferably, a heat-resistant protective layer is arranged on one side, close to the conductor wire core, of the conductor wire core, and the outer side wall of the heat-resistant protective layer is in contact with the outer side of the metal shielding layer.

Preferably, the heat-resisting inoxidizing coating is the toper setting, one side that heat-resisting inoxidizing coating and conductor sinle silk are close to is the arc setting, the cambered surface contact setting of metal shield layer and heat-resisting inoxidizing coating.

Preferably, a filling layer is filled between the braid layer and the plurality of metal shielding layers.

Preferably, the outer protective layer, the heat-resistant protective layer and the filling layer are all made of polyvinylidene fluoride.

Preferably, a plurality of the metal shielding layers are all formed by copper wire wrapping.

Compared with the prior art, the utility model provides a high temperature resistant compensating cable possesses following beneficial effect:

1. this high temperature resistant compensation cable through the heat-resisting inoxidizing coating, filling layer and the outer inoxidizing coating that is equipped with, can make compensation cable have stronger high temperature resistance ability when using, has improved stability in use and result of use of cable under the special environment.

2. This high temperature resistant compensation cable through the heat-resisting inoxidizing coating that is equipped with, through adopting toper and cambered surface setting for heat-resisting inoxidizing coating can carry out abundant stable being connected with inner conductor, guarantees that the cable inner conductor does not take place the skew in the use.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient operation can make the cable possess better heat resistance to the cable can carry out stable use under hot environment, improves the result of use and the stability in use of cable.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant compensation cable according to the present invention;

fig. 2 is a side view of the internal structure of fig. 1.

In the figure: 1 conductor core, 2 interior semiconductive shield layers, 3 insulating layers, 4 outer semiconductive shield layers, 5 metal shielding layers, 6 weaving layers, 7 outer protective layers, 8 heat-resisting protective layers and 9 filling layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, the high temperature resistant compensation cable comprises a plurality of symmetrically arranged conductor wire cores 1, wherein inner semi-conductive shielding layers 2 are fixedly sleeved on the outer surfaces of the plurality of conductor wire cores 1, insulating layers 3 are fixedly sleeved on the outer surfaces of the inner semi-conductive shielding layers 2, outer semi-conductive shielding layers 4 are fixedly sleeved on the outer side walls of the insulating layers 3, metal shielding layers 5 are fixedly sleeved on the outer side walls of the outer semi-conductive shielding layers 4, and the arrangement of the inner semi-conductive shielding layers 2, the insulating layers 3 and the outer semi-conductive shielding layers 4 enables the cable to effectively block and shield external power signals and the like when in use;

weaving layer 6 has been cup jointed to a plurality of conductor sinle silk 1's outside, and weaving layer 6 sets up with the lateral wall contact of a plurality of metallic shield layer 5, and the outer inoxidizing coating 7 has been cup jointed to the lateral wall of weaving layer 6.

A plurality of conductor sinle silk 1 be close to one side mutually and be provided with heat-resisting inoxidizing coating 8 jointly, and the contact setting of the outside wall of heat-resisting inoxidizing coating 8 and a plurality of metal shielding layer 5, through the contact of heat-resisting inoxidizing coating 8 with a plurality of cable core structures for cable inside has better use heat resistance.

Heat-resisting inoxidizing coating 8 is the toper setting, and one side that heat-resisting inoxidizing coating 8 and conductor sinle silk 1 are close to is the arc setting, and metallic shield 5 sets up with the cambered surface contact of heat-resisting inoxidizing coating 8 to can guarantee 1 outside structure of conductor sinle silk and 8 in close contact with of heat-resisting inoxidizing coating, make 1 external structure stability in use of conductor sinle silk improve.

Filling between 6 and a plurality of metallic shield layers 5 of weaving layer is equipped with filling layer 9, fills the setting to the inside of cable, guarantees the stability of conductor sinle silk 1 in the inside use of cable.

The outer protective layer 7, the heat-resistant protective layer 8 and the filling layer 9 are all made of polyvinylidene fluoride, so that the outer part and the inner part of the compensation cable have high temperature resistance, and the use stability and the use effect of the cable in a special environment are improved.

A plurality of metallic shield layers 5 all adopt the copper line to form around the package for metallic shield layer 5 can be stable inseparable winding set up outside conductor sinle silk 1, have stronger shielding insulation effect when making the cable use.

In the utility model, when the compensating cable is used, the outer conductive shielding layer 4 and the inner conductive shielding layer 2 are matched with the outer metal shielding layer 5 to shield the external power, and the insulating layer 3 is matched to effectively improve the use stability of the conductor core 1, the heat-resistant protective layer 8 is also arranged to be matched with the material characteristics of the filling layer 9 and the outer protective layer 7 to effectively resist the external high temperature in the whole cable and the inside cable, so that the high temperature resistance of the cable is improved, and the use stability of the cable in special environment is improved simultaneously, in the process, because the heat-resistant protective layer 8 is arranged in a conical shape and the side surface is arranged in an arc shape and is fully contacted with the external structure of the conductor core 1, the inner core and the like of the cable can not be greatly deviated when in use, and the stability of the cable in the whole using process is also ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The high-temperature-resistant compensation cable comprises a plurality of symmetrically arranged conductor wire cores (1), and is characterized in that the outer surfaces of the conductor wire cores (1) are fixedly sleeved with inner semi-conductive shielding layers (2), the outer surfaces of the inner semi-conductive shielding layers (2) are fixedly sleeved with insulating layers (3), the outer side walls of the insulating layers (3) are fixedly sleeved with outer semi-conductive shielding layers (4), and the outer side walls of the outer semi-conductive shielding layers (4) are fixedly sleeved with metal shielding layers (5);

it is a plurality of braided layer (6) has been cup jointed to the outside of conductor sinle silk (1), braided layer (6) and a plurality of the lateral wall contact setting of metallic shield layer (5), outer inoxidizing coating (7) have been cup jointed to the lateral wall of braided layer (6) is fixed.

2. The high temperature resistant compensation cable of claim 1, wherein adjacent sides of the plurality of conductor cores (1) are commonly provided with a heat resistant protective layer (8), and an outer side wall of the heat resistant protective layer (8) is arranged in contact with an outer side of the plurality of metal shielding layers (5).

3. The high temperature resistant compensation cable of claim 2, wherein the heat resistant protection layer (8) is provided in a conical shape, the side of the heat resistant protection layer (8) close to the conductor core (1) is provided in an arc shape, and the metal shielding layer (5) is provided in contact with the arc surface of the heat resistant protection layer (8).

4. The high temperature resistant compensation cable according to claim 1, wherein a filling layer (9) is filled between the braid (6) and the plurality of metal shielding layers (5).

5. The high temperature resistant compensation cable of claim 1, wherein the outer protective layer (7) and the heat resistant protective layer (8) and the filler layer (9) are made of polyvinylidene fluoride.

6. The high-temperature-resistant compensation cable according to claim 1, wherein the plurality of metal shielding layers (5) are each formed by copper wire wrapping.