CN220232774U

CN220232774U - Novel cable with good insulation effect

Info

Publication number: CN220232774U
Application number: CN202321499889.3U
Authority: CN
Inventors: 郑小燕
Original assignee: Zhejiang Zhitong Cable Co ltd
Current assignee: Zhejiang Zhitong Cable Co ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2023-12-22
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a novel cable with a good insulation effect, which comprises a main wire harness, a plurality of peripheral wire harnesses arranged around the main wire harness, a main insulation layer and a fireproof layer, wherein the main insulation layer and the fireproof layer wrap the wire harnesses, a first insulation layer is sleeved on the outer surface of the main wire harness, a second insulation layer is sleeved on the peripheral wire harness, the second insulation layer is connected with the adjacent second insulation layers through flexible connecting belts, and the flexible connecting belts are soft copper woven belts. According to the utility model, the main wire harness is serially wrapped by the soft copper braided belt, and the main wire harness and the peripheral wire harness are separated by the first insulating layer and the second insulating layer, so that the integral insulating effect is effectively improved, the connection strength between the peripheral wire harness and the main wire harness is effectively improved by the soft copper braided belt, the deviation of the peripheral wire harness caused by back and forth bending is prevented, and the device is very reliable.

Description

Novel cable with good insulation effect

Technical Field

The utility model relates to the technical field of cables, in particular to a novel cable with a good insulation effect.

Background

As is well known, the existing cable is a cable similar to a rope and formed by twisting several or several groups of wires, each group of wires are mutually insulated and often twisted around a center, the whole outer surface is covered with a highly insulating covering layer, the whole cable is erected in the air or is installed underground and underwater for telecommunication or power transmission, for example, the cable is named as a flame-retardant cable in a comparative published patent CN2731648, the wire core consists of tin-plated copper wires and a flame-retardant silicone rubber insulating layer, a tin-plated copper wire braided shielding layer is arranged outside a wrapping belt, and a flame-retardant silicone rubber sheath is arranged outside the tin-plated copper wire braided shielding layer.

When the cable is used, the insulating layer is not arranged, the danger is easy to occur, the anti-corrosion layer is not arranged, the cable is easy to corrode after long-time use, the moistureproof device is not arranged, and the cable is easy to wet.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems, the utility model provides a novel cable with simple structure, good insulation effect and good protection effect.

(II) technical scheme

The novel cable with the good insulation effect comprises a main wire harness, a plurality of peripheral wire harnesses arranged around the main wire harness, a main insulation layer and a fireproof layer, wherein the main insulation layer and the fireproof layer wrap the wire harnesses, a first insulation layer is sleeved on the outer surface of the main wire harness, a second insulation layer is sleeved on the peripheral wire harness, the second insulation layer is connected with the adjacent second insulation layers through flexible connecting belts, and the flexible connecting belts are soft copper braided belts.

In the present utility model, the material of the first insulating layer is fluoroplastic, and the material of the second insulating layer is crosslinked polyethylene.

In the present utility model, the flexible connection strip is connected to the peripheral harness through the second insulating layer.

In the utility model, a moisture-proof layer is also arranged between the second insulating layer and the fireproof layer, and the moisture-proof layer is made of silica gel.

In the utility model, the fireproof layer is alkali-free glass fiber, and the fireproof layer is abutted against the inner surface of the main insulating layer.

In the present utility model, the thickness of the main insulating layer is 5 times the thickness of the first insulating layer.

(III) beneficial effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the main wire harness is serially wrapped by the soft copper braided belt, and the main wire harness and the peripheral wire harness are separated by the first insulating layer and the second insulating layer, so that the integral insulating effect is effectively improved, the connection strength between the peripheral wire harness and the main wire harness is effectively improved, the deviation of the peripheral wire harness caused by back and forth bending is prevented, and the device is very reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the inside of a cable in embodiment 1;

fig. 2 is a schematic cross-sectional structure of the cable in embodiment 1.

10. Main insulation layer 20, main wire harness 30, peripheral wire harness 40, first insulation layer 50, second insulation layer 60, flexible connecting band 70, fire-proof layer 80, moisture-proof layer.

Detailed Description

Possible implementations within the scope of the present disclosure may have fewer components, have other components not shown in the drawings, different components, differently arranged components, differently connected components, etc., than the examples shown in the drawings. Furthermore, two or more of the elements in the figures may be implemented in a single element or a single element shown in the figures may be implemented as multiple separate elements.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising," "comprising," or "having" and the like means that elements or items preceding the word are meant to be encompassed by the element or item recited following the word and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected" and the like are not limited to the physical or mechanical connection or communication shown in the drawings, but may include connection or communication equivalent thereto, whether direct or indirect. "upper", "lower", "left", "right", "horizontal", "vertical", etc. are only used to indicate a relative positional relationship, which may be changed accordingly when the absolute position of the object to be described is changed.

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The novel cable with good insulation effect as shown in fig. 1-2 comprises a main wire harness 20, a plurality of peripheral wire harnesses 30 arranged around the main wire harness 20, a main insulation layer 10 wrapping the wire harnesses and a fireproof layer 70, wherein a first insulation layer 40 is sleeved on the outer surface of the main wire harness 20, a second insulation layer 50 is sleeved on the peripheral wire harness 30, and the main insulation layer 10 is made of the same material as the first insulation layer 40.

Specifically, the second insulating layer 50 is connected with the adjacent second insulating layer 50 through a flexible connection belt 60, and the flexible connection belt 60 is a soft copper braid belt. The peripheral harness 30 is spirally wrapped around the main harness 20 to provide insulation protection for the main harness 20 to a certain extent, and the peripheral harness 30 is connected in series along the circumferential direction of the main harness 20 by the soft copper braid, i.e. the flexible connecting band 60, to increase the overall tightness to a certain extent.

The dielectric strength of the first dielectric layer 40 is further increased by the second dielectric layer 50 of the peripheral wiring harness 30. The material of the first insulating layer 40 is fluoroplastic, and the material of the second insulating layer 50 is cross-linked polyethylene. The flexible connection strip 60 is connected to the peripheral harness 30 through the second insulating layer 50.

Specifically, a moisture-proof layer 80 is further disposed between the second insulating layer 50 and the fireproof layer 70, and the moisture-proof layer 80 is made of silica gel. The fireproof layer 70 is alkali-free glass fiber, and the fireproof layer 70 is abutted against the inner surface of the main insulating layer 10. The thickness of the main insulating layer 10 is 5 times the thickness of the first insulating layer 40.

The fireproof layer 70 is arranged between the main insulating layer 10 and the moisture-proof layer 80, and the moisture-proof layer 80 is made of silica gel, so that deformation protection of the cable to the peripheral wire harness 30 and the main wire harness 20 during bending is increased, the insulating layer is prevented from being damaged due to external tension or friction, and the silica gel also has certain water absorption and heat dissipation effects and is quite reliable.

The peripheral wire harness 30 wraps the main wire harness 20 in series through the soft copper braid, and the main wire harness 20 and the peripheral wire harness 30 are spaced apart through the first insulating layer 40 and the second insulating layer 50, so that the integral insulating effect is effectively improved, the connection strength between the peripheral wire harness 30 and the main wire harness 20 is effectively improved through the soft copper braid, and the deviation of the peripheral wire harness 30 caused by back and forth bending is prevented, so that the device is quite reliable.

The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. A novel cable with good insulation effect comprises a main wire harness (20) and a plurality of peripheral wire harnesses (30) arranged around the main wire harness (20),

the method is characterized in that:

the wire harness is characterized by further comprising a main insulating layer (10) and a fireproof layer (70) which wrap the wire harness, wherein the first insulating layer (40) is sleeved on the outer surface of the main wire harness (20), the second insulating layer (50) is sleeved on the peripheral wire harness (30), the second insulating layer (50) is connected with the adjacent second insulating layer (50) through a flexible connecting belt (60), and the flexible connecting belt (60) is a soft copper braid belt.

2. The novel cable with good insulation effect according to claim 1, wherein: the first insulating layer (40) is made of fluoroplastic, and the second insulating layer (50) is made of crosslinked polyethylene.

3. The novel cable with good insulation effect according to claim 1, wherein: the flexible connection strip (60) is connected to the peripheral harness (30) through the second insulating layer (50).

4. The novel cable with good insulation effect according to claim 1, wherein: a moisture-proof layer (80) is further arranged between the second insulating layer (50) and the fireproof layer (70), and the moisture-proof layer (80) is made of silica gel.

5. The novel cable with good insulation effect according to claim 4, wherein: the fireproof layer (70) is alkali-free glass filaments, and the fireproof layer (70) is abutted against the inner surface of the main insulating layer (10).

6. The novel cable with good insulation effect according to claim 1, wherein: the thickness of the main insulating layer (10) is 5 times the thickness of the first insulating layer (40).