CN210156159U

CN210156159U - Bendable high-flame-retardant shielding control cable

Info

Publication number: CN210156159U
Application number: CN201921165134.3U
Authority: CN
Inventors: 高鹏程; 朱敏; 杜丽; 李�杰; 王成丹
Original assignee: JIANGSU NARI HUASHENG CABLE CO Ltd
Current assignee: JIANGSU NARI HUASHENG CABLE CO Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-03-17
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a high fire-retardant shielding control cable that can buckle, include heat dissipation layer, protective layer, around covering, shielding layer, filling layer and the conductor that distributes from outside to inside in proper order, the filling layer is filled in the shielding layer and is wrapped up the conductor, still includes the heat pipe, the heat pipe runs through protective layer, around covering and shielding layer respectively, its both ends respectively with the heat dissipation layer with the filling layer contacts; the interior of the heat conduction pipe is provided with heat conduction holes, and damping components are distributed in the heat conduction holes; the utility model discloses a high fire-retardant shielding control cable combines together damping subassembly and heat pipe, and the heat pipe is the silicone rubber pipe, has elasticity, can buckle, cooperation heat conduction silica gel filling layer and heat dissipation layer improve the radiating efficiency of cable, can derive the heat that the inner conductor produced, and inside damping subassembly has the performance of restoring to the throne, when the cable is buckled, the expanding spring compression to resist buckling of cable, can avoid the cable to buckle impaired, extension cable life.

Description

Bendable high-flame-retardant shielding control cable

Technical Field

The utility model belongs to the technical field of the shielding control cable, concretely relates to high fire-retardant shielding control cable that can buckle.

Background

The shielding control cable is suitable for connecting wires of electric instruments with the AC rated voltage of 450/750V and below and transmission wires of an automatic control system, is suitable for connecting wires of electric instruments with the AC rated voltage of 450/750V and below and transmission wires of the automatic control system, has excellent performances of oil resistance, water resistance, wear resistance, acid and alkali resistance, various corrosive gases, aging resistance, non-combustion and the like, and is suitable for industries such as metallurgy, electric power, petrochemical industry and the like.

The existing high-flame-retardant shielding control cable is low in bending resistance degree, the cable is easy to break after bending, the maintenance is difficult, adjacent metal wires are mutually contacted, and short circuit is easy to cause.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high fire-retardant shielding control cable that can buckle to the resistant degree of buckling of solving the current high fire-retardant shielding control cable that proposes in the above-mentioned background art is not high, causes the cable to roll over the damage after buckling easily, and the maintenance difficulty, and the problem of short circuit also causes easily to the mutual contact between the adjacent metal wire.

In order to achieve the above object, the utility model provides a following technical scheme: a bendable high-flame-retardant shielding control cable comprises a heat dissipation layer, a protective layer, a wrapping layer, a shielding layer, a filling layer and a conductor which are sequentially distributed from outside to inside, wherein the filling layer is filled in the shielding layer and wraps the conductor, a mounting hole capable of accommodating the conductor is formed in the filling layer, the bendable high-flame-retardant shielding control cable also comprises a heat conduction pipe, the heat conduction pipe respectively penetrates through the protective layer, the wrapping layer and the shielding layer, and two ends of the heat conduction pipe are respectively in contact with the heat dissipation layer and the filling layer; the heat conduction pipe is characterized in that heat conduction holes are formed in the heat conduction pipe, damping assemblies are distributed in the heat conduction holes, and each damping assembly comprises a first connecting pipe, a telescopic spring and a second connecting pipe with a through hole.

Preferably, first connecting pipe and second connecting pipe are two general formula pipes, just the tip of second connecting pipe can imbed with reciprocating motion first connecting pipe is downthehole, the one end that first connecting pipe and second connecting pipe kept away from mutually is equipped with first butt piece and second butt piece respectively, the expanding spring cover is located on first connecting pipe and the second connecting pipe and is in first butt piece with between the second butt piece.

Preferably, one end of the heat conducting pipe is of an outward convex arc structure, and the other end of the heat conducting pipe is of an inward concave arc structure; the first abutting sheet and the second abutting sheet are of arc structures respectively.

Preferably, the heat conduction pipe is a silicone rubber pipe, and the first connection pipe and the second connection pipe are respectively a PE pipe.

Preferably, the filling layer is a heat-conducting silica gel filling layer.

Preferably, the heat dissipation layer comprises a protection film layer, a heat dissipation silicone layer and a heat dissipation graphene layer which are sequentially distributed from outside to inside.

Preferably, the protective film layer is a PE film layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a high fire-retardant shielding control cable combines together damping subassembly and heat pipe, and the heat pipe is the silicone rubber pipe, has elasticity, can buckle, cooperation heat conduction silica gel filling layer and heat dissipation layer improve the radiating efficiency of cable, can derive the heat that the inner conductor produced, and inside damping subassembly has the performance of restoring to the throne, when the cable is buckled, the expanding spring compression to resist buckling of cable, can avoid the cable to buckle impaired, extension cable life.

Drawings

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

FIG. 2 is a schematic structural view of the heat conductive filling layer of the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention;

fig. 4 is a schematic front sectional view of the heat pipe of the present invention;

FIG. 5 is a schematic cross-sectional view of the heat dissipation layer of the present invention;

in the figure: 1. a heat dissipation layer; 2. a protective layer; 3. wrapping a covering; 4. a shielding layer; 5. a filling layer; 6. a conductor; 7. mounting holes; 8. a heat conducting pipe; 9. a heat conduction hole; 10. a first abutting piece; 11. a first connecting pipe; 12. a tension spring; 13. a second connecting pipe; 14. perforating; 15. a second abutting piece; 16. a protective film layer; 17. a heat-dissipating silicone layer; 18. a heat dissipating graphene layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a bendable high-flame-retardant shielding control cable comprises a heat dissipation layer 1, a protective layer 2, a wrapping layer 3, a shielding layer 4, a filling layer 5 and a conductor 6 which are sequentially distributed from outside to inside, wherein the filling layer 5 is filled in the shielding layer 4 and wraps the conductor 6, a mounting hole 7 capable of containing the conductor 6 is formed in the filling layer 5, the bendable high-flame-retardant shielding control cable also comprises a heat conduction pipe 8, the heat conduction pipe 8 respectively penetrates through the protective layer 2, the wrapping layer 3 and the shielding layer 4, and two ends of the heat conduction pipe are respectively in contact with the heat dissipation layer 1 and the filling layer 5; the heat conduction pipe 8 is internally provided with a heat conduction hole 9, damping components are distributed in the heat conduction hole 9 and comprise a first connection pipe 11, an expansion spring 12 and a second connection pipe 13 with a through hole 14, the first connection pipe 11 and the second connection pipe 13 are both of two-way type pipes, the end part of the second connection pipe 13 can be embedded into the first connection pipe 11 in a reciprocating manner, one end of the first connection pipe 11, which is far away from the second connection pipe 13, is respectively provided with a first abutting piece 10 and a second abutting piece 15, and the expansion spring 12 is sleeved on the first connection pipe 11 and the second connection pipe 13 and is positioned between the first abutting piece 10 and the second abutting piece 15.

Specifically, one end of the heat conducting pipe 8 is of an outward convex arc structure, and the other end is of an inward concave arc structure; the first abutting piece 10 and the second abutting piece 15 are respectively of an arc-shaped structure, so that two ends of the heat conduction pipe 8, and the first abutting piece 10 and the second abutting piece 15 are respectively in lap joint with the inner wall of the heat dissipation layer 1 and the outer wall of the filling layer 5.

Specifically, the heat conducting pipe 8 is a silicone rubber pipe, the first connecting pipe 11 and the second connecting pipe 13 are respectively a PE pipe, and the silicone rubber pipe has good elasticity and high temperature resistance, improves the toughness of the cable, and prolongs the service life of the cable; the filling layer 5 is specifically a heat-conducting silica gel filling layer, and the heat-conducting silica gel filling layer wraps the conductor 6, so that heat generated by the conductor 6 can be led out through the heat-conducting pipe 8.

Specifically, heat dissipation layer 1 includes from outer to interior protection rete 16, heat dissipation silicone grease layer 17 and the heat dissipation graphite alkene layer 18 that distributes in proper order, and protection rete 16 is the PE rete, and the PE membrane is high temperature resistant, ageing-resistant, plays the safety protection effect to internal cable to ventilative, cooperation heat dissipation silicone grease layer 17 and heat dissipation graphite alkene layer 18 improve the radiating effect of cable, avoid the high temperature, lead to the cable to burn out.

The utility model discloses a theory of operation and use flow:

the outermost heat dissipation layer 1 comprises a protection film layer 16, a heat dissipation silicone grease layer 17 and a heat dissipation graphene layer 18, the protection film layer 16 is a PE film layer, the PE film is high-temperature resistant and ageing resistant, has a safety protection effect on an internal cable, is breathable, and is matched with the heat dissipation silicone grease layer 17 and the heat dissipation graphene layer 18 to improve the heat dissipation effect of the cable;

the heat conduction pipe 8 is provided with a heat conduction hole 9, a damping component is arranged in the heat conduction pipe 8, when the cable is bent, the heat conduction pipe 8 on one side is compressed inevitably, the damping component in the heat conduction pipe acts, the second connecting pipe 13 and the first connecting pipe 11 are contracted, the first abutting sheet 10 and the second abutting sheet 15 on the two ends compress the telescopic spring 12, the telescopic spring 12 generates elasticity and has bending restoring force, meanwhile, the heat conduction pipe 8 is a silicon rubber pipe and also has restoring force and better elasticity, and the bent cable is prevented from being damaged;

in addition, the heat generated by the conductor 6 can be conducted to the heat conduction pipe 8 through the filling layer 5, and is conducted out to the heat dissipation layer 1 from the heat conduction hole 9 in the heat conduction pipe 8, and the second connection pipe 13 and the first connection pipe 11, and is dissipated from the heat dissipation layer 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high fire-retardant shielding control cable that can buckle, includes from outer heat dissipation layer (1), protective layer (2) that distribute gradually to interior, around covering (3), shielding layer (4), filling layer (5) and conductor (6), filling layer (5) are filled in shielding layer (4) and parcel conductor (6) be equipped with in filling layer (5) and can hold mounting hole (7) of conductor (6), its characterized in that: the heat-conducting pipe (8) penetrates through the protective layer (2), the wrapping layer (3) and the shielding layer (4) respectively, and two ends of the heat-conducting pipe (8) are in contact with the heat dissipation layer (1) and the filling layer (5) respectively; the heat conduction pipe (8) is internally provided with a heat conduction hole (9), and damping components are distributed in the heat conduction hole (9) and comprise a first connecting pipe (11), a telescopic spring (12) and a second connecting pipe (13) with a through hole (14).

2. The bendable high flame retardant shielding control cable according to claim 1, wherein: first connecting pipe (11) and second connecting pipe (13) are two general formula pipes, just the tip of second connecting pipe (13) can imbed with reciprocating motion first connecting pipe (11) is downthehole, the one end that first connecting pipe (11) and second connecting pipe (13) kept away from mutually is equipped with first butt piece (10) and second butt piece (15) respectively, expanding spring (12) cover is located on first connecting pipe (11) and second connecting pipe (13) and is in first butt piece (10) with between second butt piece (15).

3. The bendable high flame retardant shielding control cable according to claim 2, wherein: one end of the heat conduction pipe (8) is of an outward convex arc structure, and the other end of the heat conduction pipe is of an inward concave arc structure; the first abutting sheet (10) and the second abutting sheet (15) are respectively of an arc-shaped structure.

4. The bendable high flame retardant shielding control cable according to claim 1, wherein: the heat conduction pipe (8) is a silicone rubber pipe, and the first connecting pipe (11) and the second connecting pipe (13) are PE pipes respectively.

5. The bendable high flame retardant shielding control cable according to claim 1, wherein: the filling layer (5) is a heat-conducting silica gel filling layer.

6. The bendable high flame retardant shielding control cable according to claim 1, wherein: the heat dissipation layer (1) comprises a protective film layer (16), a heat dissipation silicone grease layer (17) and a heat dissipation graphene layer (18) which are sequentially distributed from outside to inside.

7. The bendable high flame retardant shielding control cable according to claim 6, wherein: the protective film layer (16) is a PE film layer.