CN216084417U

CN216084417U - Crosslinked polyethylene power cable with heat dissipation stability

Info

Publication number: CN216084417U
Application number: CN202122714723.6U
Authority: CN
Inventors: 刘军剑; 刘阳; 赵丹
Original assignee: Yi Yue Hong Cable Co ltd
Current assignee: Yi Yue Hong Cable Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-18
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a crosslinked polyethylene power cable with heat dissipation stability, which comprises a polyethylene protective layer, wherein a transverse supporting sheet is embedded in the inner side of the polyethylene protective layer, one end of the transverse supporting sheet is welded with an annular supporting ring, a heat dissipation cavity is formed between the transverse supporting sheet and the annular supporting ring, an inner polyethylene layer is embedded in the inner side of the annular supporting ring, a tin foil layer is embedded in the inner side of the inner polyethylene layer, a clamping block is embedded in the inner side of the tin foil layer, an insulating layer is clamped in the inner side of the clamping block, and a battery core is embedded in the inner side of the insulating layer. The cable uses the even inside polyethylene layer conduction of tinfoil layer when dispelling the heat, passes to horizontal backing sheet and annular support ring again, concentrates through the heat dissipation cavity at last and disperses to even give off the heat, prevent that the heat from concentrating the local resistance reinforcing that leads to, prevent that the cable from increasing the conduction efficiency that leads to and descending because of resistance, thereby further promoted power transmission efficiency, increased economic benefits.

Description

Crosslinked polyethylene power cable with heat dissipation stability

Technical Field

The utility model relates to the technical field of power cables, in particular to a crosslinked polyethylene power cable with heat dissipation stability.

Background

The cable is usually a cable similar to a rope formed by stranding a plurality of or a plurality of groups of wires, each group of wires are mutually insulated and are usually twisted around a center, the whole cable is coated with a highly-insulated covering layer, the cable is internally electrified and comprises single-strand or multi-strand wires and insulating layers, and the single-strand or multi-strand wires and the insulating layers are used for connecting circuits, electric appliances and the like and are respectively applied to different occasions;

however, most of the existing cables are compact in structure, and the connections between the parts are tight, so that the heat dissipation performance is poor, and the resistance is increased, so that the power transmission efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a crosslinked polyethylene power cable with heat dissipation stability, which can effectively solve the problems that most of the existing cables proposed in the background art are compact in structure, and all parts are connected tightly, so that the heat dissipation performance is poor, the resistance is increased, and the power transmission efficiency is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a cross-linked polyethylene power cable with heat dissipation stability comprises a polyethylene protective layer, wherein a transverse supporting sheet is embedded into the inner side of the polyethylene protective layer, an annular supporting ring is welded to one end of the transverse supporting sheet, a heat dissipation chamber is formed between the transverse supporting sheet and the annular supporting ring, an inner polyethylene layer is embedded into the inner side of the annular supporting ring, and a tin foil layer is embedded into the inner side of the inner polyethylene layer;

the inboard embedding in tin foil layer has the joint piece, the inboard joint of joint piece has the insulating layer, the inboard embedding of insulating layer has electric core.

Preferably, the transverse supporting sheets are provided with a plurality of transverse supporting sheets, and the plurality of transverse supporting sheets are connected to the outer side of the inner polyethylene layer at equal angles.

Preferably, the annular support ring is provided with a plurality of, and a plurality of annular support ring equidistance cup joints in the outside on interior polyethylene layer.

Preferably, the clamping blocks are three, the three clamping blocks are embedded into the inner side of the tin foil layer at equal angles, and the positions, corresponding to the insulating layer, of the inner side of each clamping block are provided with electric core holes.

Preferably, a supporting cavity is formed between the clamping blocks, a supporting block is embedded into the inner side of the supporting cavity, a clamping hole is formed in the inner side of the supporting block, a guide groove is formed in the position, corresponding to the clamping hole, of the inner side of the supporting block, cutting fibers are embedded into the inner side of the clamping hole, and a supporting steel core is embedded into the position of the middle of the inner side of the supporting block.

Preferably, the inner side of the supporting block and the position corresponding to the supporting steel core are provided with mounting holes, and the supporting steel core is embedded into the inner side of the supporting block through the mounting holes.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. the cable is provided with a polyethylene protective layer, a transverse supporting sheet, an annular supporting ring, a heat dissipation chamber, an inner polyethylene layer, a tin foil layer, a clamping block, an insulating layer and a battery cell, when the cable is used for heat dissipation, the tin foil layer is uniformly conducted to the inner polyethylene layer and then conducted to the transverse supporting sheet and the annular supporting ring, and finally concentrated diffusion is carried out through the heat dissipation chamber, thereby uniformly radiating heat, preventing local resistance enhancement caused by heat concentration and preventing the conduction efficiency reduction of the cable caused by resistance increase, further improving the power transmission efficiency and increasing the economic benefit, the polyethylene protective layer can be continuously abraded when the mobile cable is continuously dragged, the transverse supporting sheet can be continuously abraded after the polyethylene protective layer at a certain position is abraded, thereby the inside polyethylene layer and the tin foil layer of protection can not break, and then has promoted the wear resistance of cable.

2. Be provided with the support chamber, the supporting shoe, the joint hole, the guide way, cutting fibre and support the steel core, can hold an arbitrary cutting fibre when plugging into the cable, stretch it from the joint hole to the guide way after that, thereby cut the supporting shoe, can tentatively cut polyethylene protective layer and interior polyethylene layer along with the continuous pulling, then carry out the connecting channel with the electric core that will plug into, thereby can install the cable fast, and the installation effectiveness is improved, thereby reduce the economic loss because of maintaining the circuit and causing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic view of the mounting structure of the annular support ring of the present invention;

FIG. 3 is a schematic view of the mounting structure of the insulating layer of the present invention;

FIG. 4 is a schematic view of the mounting structure of the supporting steel core of the present invention;

reference numbers in the figures: 1. a polyethylene protective layer; 2. a lateral support sheet; 3. an annular support ring; 4. a heat dissipation chamber; 5. an inner polyethylene layer; 6. a tin foil layer; 7. a clamping block; 8. an insulating layer; 9. an electric core; 10. a support cavity; 11. a support block; 12. a clamping hole; 13. a guide groove; 14. cutting the fibers; 15. supporting the steel core.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the utility model provides a technical solution, a cross-linked polyethylene power cable with heat dissipation stability, comprising a polyethylene protective layer 1, wherein a plurality of transverse supporting sheets 2 are embedded in the inner side of the polyethylene protective layer 1, the plurality of transverse supporting sheets 2 are arranged on the plurality of transverse supporting sheets 2, the plurality of transverse supporting sheets 2 are connected to the outer side of an inner polyethylene layer 5 at equal angles to increase the heat dissipation area, one end of each transverse supporting sheet 2 is welded with an annular supporting ring 3, the plurality of annular supporting rings 3 are arranged, the plurality of annular supporting rings 3 are sleeved on the outer side of the inner polyethylene layer 5 at equal intervals, so that the cross-linked polyethylene power cable is more wear-resistant, a heat dissipation chamber 4 is formed between each transverse supporting sheet 2 and the annular supporting ring 3, an inner polyethylene layer 5 is embedded in the inner side of each annular supporting ring 3, and a tin foil layer 6 is embedded in the inner side of each inner polyethylene layer 5;

the inboard embedding of tin foil layer 6 has joint piece 7, and the inboard joint of joint piece 7 has insulating layer 8, and joint piece 7 is provided with threely, and the inboard embedding of angles such as three joint piece 7 is in the inboard of tin foil layer 6, and the inboard of joint piece 7 corresponds position department with insulating layer 8 and has seted up the electric core hole, is favorable to the quick heat transfer, and the inboard embedding of insulating layer 8 has electric core 9.

Be formed with between a plurality of joint piece 7 and support chamber 10, the inboard embedding in support chamber 10 has supporting shoe 11, joint hole 12 has been seted up to the inboard of supporting shoe 11, the inboard of supporting shoe 11 has seted up guide way 13 with joint hole 12 corresponding position department, the inboard embedding in joint hole 12 has cutting fiber 14, the inboard of supporting shoe 11 has seted up the mounting hole with supporting steel core 15 corresponding position department, support steel core 15 and pass through the inboard of mounting hole embedding to supporting shoe 11, increase the tensile properties of cable, the inboard middle part position department embedding of supporting shoe 11 has support steel core 15.

The working principle and the using process of the utility model are as follows: firstly, when an installer installs the cable, the installer holds the cable by holding the polyethylene protective layer 1, at the moment, under the action of the supporting steel core 15 shell supporting block 11, the cable can be easily taken up, so that the cable can be quickly moved to a specified position, then any cutting fiber 14 can be pulled when the cable is plugged, then the cable is stretched from the clamping hole 12 to the guide groove 13, so that the supporting block 11 is cut, the polyethylene protective layer 1 and the inner polyethylene layer 5 can be preliminarily cut along with continuous pulling, and then the electric core 9 needing to be plugged is connected with a connecting channel, so that the cable can be quickly installed, the installation efficiency is improved, and the economic loss caused by circuit maintenance is reduced;

then, the polyethylene protective layer 1 can be continuously worn when the mobile cable is continuously dragged, after the polyethylene protective layer 1 at a certain position is worn out, the transverse supporting sheet 2 can be continuously worn, so that the inner polyethylene layer 5 and the tin foil layer 6 in the cable can be protected from being broken, the wear resistance of the cable is further improved, after the cable is installed, heat can be generated in normal use, the heat can be collected and conducted into the tin foil layer 6 through the clamping blocks 7 at the moment, then the heat is conducted to the inner polyethylene layer 5 uniformly through the tin foil layer 6, finally the heat is conducted to the transverse supporting sheet 2 and the annular supporting ring 3, and finally the heat is intensively dissipated through the heat dissipation chamber 4, so that the heat is uniformly dissipated, the local resistance enhancement caused by the heat concentration is prevented, the reduction of the conduction efficiency of the cable caused by the resistance increase is prevented, and the power transmission efficiency is further improved, increase the economic benefit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat dissipation stability crosslinked polyethylene power cable, includes polyethylene protective layer (1), its characterized in that: a transverse support sheet (2) is embedded into the inner side of the polyethylene protective layer (1), an annular support ring (3) is welded to one end of the transverse support sheet (2), a heat dissipation chamber (4) is formed between the transverse support sheet (2) and the annular support ring (3), an inner polyethylene layer (5) is embedded into the inner side of the annular support ring (3), and a tin foil layer (6) is embedded into the inner side of the inner polyethylene layer (5);

the inboard embedding of tin foil layer (6) has joint piece (7), the inboard joint of joint piece (7) has insulating layer (8), the inboard embedding of insulating layer (8) has electric core (9).

2. The heat dissipation-stable crosslinked polyethylene power cable of claim 1, wherein: the transverse supporting sheets (2) are provided with a plurality of transverse supporting sheets (2), and the plurality of transverse supporting sheets (2) are connected to the outer side of the inner polyethylene layer (5) at equal angles.

3. The heat dissipation-stable crosslinked polyethylene power cable of claim 1, wherein: annular support ring (3) are provided with a plurality of, and polyethylene layer (5) outside including polyethylene layer (3) equidistance is cup jointed in a plurality of annular support ring (3).

4. The heat dissipation-stable crosslinked polyethylene power cable of claim 1, wherein: the three clamping blocks (7) are embedded into the inner side of the tin foil layer (6) at equal angles, and electric core holes are formed in the positions, corresponding to the insulating layer (8), of the inner side of each clamping block (7).

5. The heat dissipation-stable crosslinked polyethylene power cable of claim 1, wherein: a plurality of be formed with between joint piece (7) and support chamber (10), the inboard embedding in support chamber (10) has supporting shoe (11), joint hole (12) have been seted up to the inboard of supporting shoe (11), guide way (13) have been seted up to the inboard of supporting shoe (11) and joint hole (12) corresponding position department, the inboard embedding in joint hole (12) has cutting fibre (14), the inboard middle part position department embedding of supporting shoe (11) has support steel core (15).

6. The heat dissipation-stable crosslinked polyethylene power cable of claim 5, wherein: the inner side of the supporting block (11) is provided with a mounting hole at a position corresponding to the supporting steel core (15), and the supporting steel core (15) is embedded into the inner side of the supporting block (11) through the mounting hole.