CN215577831U

CN215577831U - Cold-resistant cable

Info

Publication number: CN215577831U
Application number: CN202121283023.XU
Authority: CN
Inventors: 孔德庆; 王东启; 杨建廷; 陈井森
Original assignee: Changfeng Wire And Cable Co ltd
Current assignee: Changfeng Wire And Cable Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-01-18
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of cables, and provides a cold-resistant cable which comprises a plurality of wires, a temperature conduction sleeve, a temperature conduction inner sleeve, a temperature conduction outer sleeve and an outer sheath, wherein the plurality of wires are regularly arranged in the temperature conduction sleeve, the temperature conduction inner sleeve is sleeved on the temperature conduction sleeve, the temperature conduction outer sleeve is sleeved on the temperature conduction inner sleeve, the temperature conduction outer sleeve is connected with the temperature conduction inner sleeve in a sliding manner, a first temperature conduction chamber is formed between the temperature conduction inner sleeve and the temperature conduction outer sleeve, and the outer sheath is sleeved on the temperature conduction outer sleeve. Through above-mentioned technical scheme, the poor problem of cable cold resistance among the prior art has been solved.

Description

Cold-resistant cable

Technical Field

The utility model relates to the technical field of cables, in particular to a cold-resistant cable.

Background

Cables are generally rope-like cables made by twisting several or several groups of conductors, each group of conductors being insulated from each other and usually twisted around a center, and being entirely surrounded by a highly insulating coating, and have characteristics of inner current conduction and outer insulation. Present cable does not possess low temperature resistant problem, make the phenomenon of cable sclerosis under low temperature environment, and insulating nature is not strong, and life is short, make the security performance of present cable not high, easily take place the incident, can not satisfy current production level's needs, and the adaptability of present cable is not strong, can't satisfy the demand under the different situation, and the practicality is more weak, make can't satisfy the demand of people to this type of cable when using, based on above problem, need a cable of cold-resistant type urgently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cold-resistant cable, which solves the problem of poor cold resistance of cables in the prior art.

The technical scheme of the utility model is as follows:

a cold-resistant cable, comprising:

a wire;

the plurality of leads are regularly arranged in the heat conduction sleeve;

the temperature-conducting inner sleeve is sleeved on the temperature-conducting sleeve;

the temperature-conducting outer sleeve is sleeved on the temperature-conducting inner sleeve, the temperature-conducting outer sleeve is connected with the temperature-conducting inner sleeve in a sliding manner, and a first temperature-conducting chamber is formed between the temperature-conducting inner sleeve and the temperature-conducting outer sleeve;

the outer sheath is sleeved on the temperature-conducting outer sleeve.

A first boss is arranged on the outer wall of the heat-conducting inner sleeve, and a slide way is arranged on the first boss;

a second boss is arranged on the inner wall of the heat conduction outer sleeve, and a sliding head matched with the slideway is arranged on the second boss;

the first boss and the second boss are provided with expansion joints at intervals.

Further comprising:

the support frame, the support frame sets up lead in the temperature sleeve pipe, lead temperature sleeve pipe with be provided with non-hygroscopicity and fill between the support frame.

The support frame includes:

the middle shaft is of a hollow structure;

the support, a plurality of the support circumference evenly set up in on the axis, the wire sets up between adjacent the support.

The wire includes:

a conductor;

the shielding layer is sleeved on the conductor;

the insulating layer is sleeved on the shield;

the insulation shield is sleeved on the insulation layer;

the copper strip is sleeved on the insulation shield.

Further comprising:

the wrapping tape is wound on the heat conduction outer sleeve;

the inner liner is sleeved on the wrapping tape;

the steel belt armor is sleeved on the inner layer, and the outer sheath is sleeved on the steel belt armor.

The working principle and the beneficial effects of the utility model are as follows:

the utility model discloses a cold-resistant cable which is structurally characterized in that a plurality of wires are bound and fixed into a whole through a heat conducting sleeve, then a heat conducting inner sleeve is sleeved outside the heat conducting sleeve, a heat conducting outer sleeve is further installed outside the heat conducting inner sleeve, the heat conducting outer sleeve and the heat conducting inner sleeve are in relative sliding connection, an outer sheath is sleeved outside the heat conducting outer sleeve, the heat conducting sleeve is made of a material with better heat conductivity, and a first heat conducting chamber is formed between the heat conducting inner sleeve and the heat conducting outer sleeve; through the structure, the cable can generate heat in the electric conduction process, the part of heat can be dissipated without being utilized, the heat dissipated from the lead is collected through the heat conduction sleeve, the part of heat passes through the heat conduction inner sleeve to heat air or a heat conducting medium in the first heat conduction chamber, the collection and the dispersion of the heat are realized, the outer sheath has a protection effect and a supporting effect on the heat conduction outer sleeve, and the integrity of the first heat conduction chamber is ensured; through above heat conduction structure, we make full use of the nature that the cable itself generates heat, compare with prior art, can high-efficient solution cable cold resistance poor problem.

Drawings

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

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the temperature-conducting outer sleeve of the present invention;

FIG. 4 is a schematic view of the structure of the thermal conduction inner sleeve of the present invention;

in the figure: 1. the cable comprises a lead 101, a conductor 102, a shielding layer 103, an insulating layer 104, an insulating shield 105, a copper strip 2, a temperature conduction sleeve 3, a temperature conduction inner sleeve 31, a first boss 32, a slideway 4, a temperature conduction outer sleeve 41, a second boss 42, a sliding head 5, an outer sheath 6, an expansion joint 7, a support frame 71, a middle shaft 72, a support frame 8, non-hygroscopic filling 9, a wrapping tape 10, an inner liner 11 and steel tape armoring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.

As shown in fig. 1 to 4, the present embodiment proposes a cold-resistant cable, including:

a wire 1;

the heat conducting sleeve 2 is provided with a plurality of leads 1 which are regularly arranged in the heat conducting sleeve 2;

the temperature-conducting inner sleeve 3 is sleeved on the temperature-conducting sleeve 2;

the temperature-conducting outer sleeve 4 is sleeved on the temperature-conducting inner sleeve 3, the temperature-conducting outer sleeve 4 is in sliding connection with the temperature-conducting inner sleeve 3, and a first temperature-conducting chamber is formed between the temperature-conducting inner sleeve 3 and the temperature-conducting outer sleeve 4;

and the outer sheath 5 is sleeved on the temperature conduction outer sleeve 4.

The embodiment discloses a cold-resistant cable which is structurally characterized in that a plurality of wires 1 are bound and fixed into a whole through a heat conducting sleeve 2, then a heat conducting inner sleeve 3 is sleeved on the outer side of the heat conducting sleeve 2, a heat conducting outer sleeve 4 is further installed on the outer side of the heat conducting inner sleeve 3, the heat conducting outer sleeve 4 and the heat conducting inner sleeve 3 are in relative sliding connection, an outer sheath 5 is sleeved on the outer side of the heat conducting outer sleeve 4, the heat conducting sleeve 2 is made of a material with better heat conductivity, and a first heat conducting chamber is formed between the heat conducting inner sleeve 3 and the heat conducting outer sleeve 4; through the structure, the cable can generate heat in the conducting process, the part of heat can be dissipated without being utilized, the heat dissipated on the lead 1 is collected through the heat conducting sleeve 2, the part of heat passes through the heat conducting inner sleeve 3 to heat air or heat conducting media in the first heat conducting chamber, the collection and the dispersion of the heat are realized, the heat conducting inner sleeve 3 and the heat conducting outer sleeve 4 are in sliding connection, when the cable needs to be bent, the heat conducting inner sleeve and the heat conducting outer sleeve can slide relatively, the integrity of the first heat conducting chamber is guaranteed on one hand, the flexibility of the cable is improved on the other hand, the outer sheath 5 has a protection effect and a supporting effect on the heat conducting outer sleeve 4, and the integrity of the first heat conducting chamber is guaranteed; through above heat conduction structure, we make full use of the nature that the cable itself generates heat, compare with prior art, can high-efficient solution cable cold resistance poor problem.

A first boss 31 is arranged on the outer wall of the inner heat-conducting sleeve 3, and a slide way 32 is arranged on the first boss 31;

a second boss 41 is arranged on the inner wall of the heat conduction outer sleeve 4, and a sliding head 42 matched with the slideway 32 is arranged on the second boss 41;

the first boss 31 and the second boss 41 are provided with expansion joints 6 at intervals.

In this embodiment, the inner thermal conductive sleeve 3 and the outer thermal conductive sleeve 4 are both provided with bosses, the outer wall of the inner thermal conductive sleeve 3 is provided with a first boss 31 on which a slideway 32 is arranged, the outer thermal conductive sleeve 4 is provided with a second boss 41 on which a sliding head 42 matched with the slideway 32 is arranged, the sliding head 42 is inserted into the slideway 32 in a sliding way, and along the axis of the inner heat-conducting sleeve 3 or the outer heat-conducting sleeve 4, an expansion joint 6 is arranged, the heat-conducting performance depends on the uniformity and the speed of temperature transmission to a great extent, the first lug boss 31 and the second lug boss 41 play a role of supporting the first heat-conducting chamber, the sliding connection improves the flexibility of the cable, set up expansion joint 6 then promoted flexible deformation such as buckling again on first boss 31 and second boss 41, the bending resistance of first boss 31 and second boss 41 avoids it to appear damaging, influences the completion of first heat conduction room.

Further comprising:

the support frame 7, the support frame 7 sets up lead in the temperature sleeve pipe 2, lead temperature sleeve pipe 2 with be provided with non-hygroscopicity and fill 8 between the support frame 7.

In this embodiment, still be provided with support frame 7 in the inside of leading warm sleeve pipe 2, support frame 7 plays and supports leading warm sleeve pipe 2 and accomplish more even effect with wire 1 distribution, cuts apart the support through support frame 7 between wire 1, and is inside more neat, and in addition, support frame 7 can also play the effect of supporting leading warm sleeve pipe 2, supports, and inside has just formed the second and has led the warm room to fill non-hygroscopicity and fill 8.

The support frame 7 includes:

the middle shaft 71, wherein the middle shaft 71 is of a hollow structure;

the supports 72 are uniformly arranged on the middle shaft 71 in the circumferential direction, and the leads 1 are arranged between the adjacent supports 72.

In this embodiment, the middle of the supporting frame 7 is a central shaft 71 and is of a hollow structure, a circle of supports 72 are uniformly and circumferentially arranged on the central shaft 71, the supports 72 divide the heat conducting sleeve 2 into a plurality of regions, the wires 1 are arranged between the adjacent supports 72, so that the distribution of the wires 1 is achieved, the central shaft 71 plays a role in knowing the supports 72, and the hollow part of the central shaft can be filled with a heat conducting medium at an extreme temperature to enhance the internal temperature.

The lead 1 includes:

a conductor 101;

a shielding layer 102, wherein the shielding layer 102 is sleeved on the conductor 101;

the insulating layer 103 is sleeved on the shield;

the insulation shield 104 is sleeved on the insulation layer 103, and the insulation shield 104 is sleeved on the insulation layer 103;

and the copper strip 105 is sleeved on the insulation shield 104.

In this embodiment, the lead 1 is composed of a conductor 101, and a shielding layer 102, an insulating layer 103, an insulating shield 104 and a copper strip 105 which are sequentially sleeved from inside to outside, and the layers are wrapped layer by layer to achieve good insulating performance and overall strength, and the outermost side of the copper strip 105 is also beneficial to heat conduction.

Further comprising:

the wrapping tape 9 is wound on the heat conduction outer sleeve 4;

the inner liner 10 is sleeved on the belting 9, and the inner liner 10 is sleeved on the belting 9;

the steel belt armor 11 is sleeved on the inner layer, and the outer sheath 5 is sleeved on the steel belt armor 11.

In this embodiment, the wrapping tape 9 is wound on the heat-conducting outer sleeve to play a role in fixing, then the inner liner 10 is used for further shaping and fixing the wrapping tape 9, finally the steel-tape armor 11 is sleeved on the inner liner 10 to enhance the overall strength, and the outer jacket 5 is sleeved on the steel-tape armor 11 to play a role in protecting the outer side.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cold-resistant cable, comprising:

a wire (1);

the heat conduction sleeve (2), a plurality of leads (1) are regularly arranged in the heat conduction sleeve (2);

the temperature-conducting inner sleeve (3), the temperature-conducting inner sleeve (3) is sleeved on the temperature-conducting sleeve (2);

the temperature-conducting outer sleeve (4), the temperature-conducting outer sleeve (4) is sleeved on the temperature-conducting inner sleeve (3), the temperature-conducting outer sleeve (4) is connected with the temperature-conducting inner sleeve (3) in a sliding mode, and a first temperature-conducting chamber is formed between the temperature-conducting inner sleeve (3) and the temperature-conducting outer sleeve (4);

the outer sheath (5), outer sheath (5) cover is established on leading temperature outer tube (4).

2. The cold-resistant cable according to claim 1, wherein the outer wall of the inner heat conducting sleeve (3) is provided with a first boss (31), and the first boss (31) is provided with a slideway (32);

a second boss (41) is arranged on the inner wall of the heat conduction outer sleeve (4), and a sliding head (42) matched with the slide way (32) is arranged on the second boss (41);

expansion joints (6) are arranged on the first boss (31) and the second boss (41) at intervals.

3. The cold-resistant cable of claim 1, further comprising:

the support frame (7), the support frame (7) set up lead in the temperature sleeve pipe (2), lead temperature sleeve pipe (2) with be provided with non-hygroscopicity packing (8) between support frame (7).

4. Cold-resistant cable according to claim 3, wherein the support frame (7) comprises:

the middle shaft (71), the middle shaft (71) is a hollow structure;

the wire guide device comprises brackets (72), a plurality of brackets (72) are uniformly arranged on the central shaft (71) in the circumferential direction, and the wires (1) are arranged between the adjacent brackets (72).

5. Cold-resistant cable according to claim 1, characterized in that the conductor (1) comprises:

a conductor (101);

a shielding layer (102), wherein the shielding layer (102) is sleeved on the conductor (101);

an insulating layer (103), the insulating layer (103) being sleeved on the shield;

the insulation shield (104), the insulation shield (104) is sleeved on the insulation layer (103);

the copper strip (105), copper strip (105) cover is established on insulating shield (104).

6. The cold-resistant cable of claim 1, further comprising:

the wrapping tape (9) is wound on the heat conduction outer sleeve (4);

the inner liner (10), the said inner liner (10) is fitted over the said band (9);

the steel belt armor (11), the steel belt armor (11) cover is established on the inlayer, oversheath (5) cover is established on steel belt armor (11).