CN215577787U

CN215577787U - Butyronitrile insulation and sheath flexible cable

Info

Publication number: CN215577787U
Application number: CN202120397663.7U
Authority: CN
Inventors: 李红燕; 乔恩; 黄杰; 吕刚; 李建成; 蒋桂贤; 霍帅营; 彭磊; 周凌云; 王强; 余成银; 曾传江; 范德兴; 罗佳春; 邓永辉; 蒋耀
Original assignee: Sichuan Xin Rong Electronic Cable Co ltd
Current assignee: Sichuan Xin Rong Electronic Cable Co ltd
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2022-01-18
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a butyronitrile insulated and sheathed flexible cable which is sequentially provided with a plurality of conducting wires, a filling layer (3), a wrapping tape (4) and a sheath (5) from inside to outside; the lead comprises a conductor (1), wherein an insulating layer (2) is coated outside the conductor (1); the conductor (1) adopts a soft copper conductor; the insulating layer (2) and the sheath (5) are made of butyronitrile elastomer materials. The butyronitrile insulated and sheathed flexible cable has higher flexibility, wear resistance, oil resistance and waterproof performance, and is low in cost, light in weight and convenient for installation, laying and use of the cable.

Description

Butyronitrile insulation and sheath flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to a butyronitrile insulated and sheathed flexible cable.

Background

With the rapid development of power cable buried laying engineering, higher requirements are put forward on cable protection, and common electric wires and cables take plastic and rubber as insulating sheaths, and the materials are conventional engineering materials, have rich sources, can meet large-scale production, and have relatively low cost. However, in some places with special environment, when the RVV (light polyvinyl chloride sheathed flexible wire) is installed and laid, the sheath may be cracked or cracked due to poor wear resistance and oil resistance, which may cause insulation damage and abnormal use of the cable. The problem can be solved by the general rubber sleeve cable YCW (heavy rubber sleeve oil-resistant flexible cable), but the general rubber sleeve cable needs a special sulfur-connecting production line for production, and the cable cost is higher.

The butyronitrile polyvinyl chloride mixture has the characteristics of oil resistance, softness, wear resistance, oil resistance and the like, can replace rubber materials to a certain extent, can also achieve the effect of meeting environmental conditions while ensuring the flexibility of the cable, and has lower cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a butyronitrile insulated and sheathed flexible cable, and aims to solve the technical problems of poor oil resistance and wear resistance and high production cost of the conventional cable. The butyronitrile insulated and sheathed flexible cable is sequentially provided with a plurality of leads, a filling layer, a wrapping tape and a sheath from inside to outside, wherein each lead comprises a conductor, and an insulating layer is coated outside each conductor.

Preferably, the conductor is a soft copper conductor.

Preferably, the insulating layer is made of a butyronitrile elastomer material.

Preferably, the wrapping tape is a CPP tape.

Preferably, the sheath is made of butyronitrile elastomer material.

The utility model has the beneficial effects that:

the softness is high: after the cable is subjected to 15000 times of back-and-forth movement bending or 30000 times of single-pass movement bending according to the JB/T10696.2-2007 standard, current open circuit does not occur between conductors, and short circuit does not occur between wire cores.

The wear resistance is high: the cable meets the sheath scraping test specified by JB/T10696.6-2007 standard, namely the cable is scraped and ground for 25 times by using certain mechanical force on the premise that the bending test is completed at 20 ℃, the round trip is one time, and the scraping distance is not less than 600 mm.

The oil resistance is high: the cable sheath meets the condition that the mechanical property of the sheath still keeps a higher level under the oil temperature and time limit specified by the standard.

The waterproof performance is high: the two ends of the cable are sealed and then are integrally placed in normal-temperature water for 48 hours, and the cable is taken out and has no macroscopic water drop after the sheath is opened.

The cable is light in weight: compared with a universal rubber sleeve cable with the same section, the cable is light in weight by 10% -20%, and the cable is convenient to install, lay and use.

Drawings

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

in the figure: 1-conductor, 2-insulating layer, 3-filling layer, 4-wrapping tape and 5-sheath.

Detailed Description

The utility model provides an embodiment, as shown in fig. 1, fig. 1 is a schematic structural diagram of the utility model. A butyronitrile insulated and sheathed flexible cable is sequentially provided with a plurality of leads, a filling layer 3, a wrapping tape 4 and a sheath 5 from inside to outside, wherein each lead comprises a conductor 1, and an insulating layer 2 is coated outside the conductor 1.

Specifically, the butyronitrile insulated and sheathed flexible cable comprises 2 wires.

Specifically, the conductor 1 adopts a 5 th soft copper conductor specified in GB/T3956-²And the outer diameter is 2.0 mm.

Specifically, the insulating layer 2 is made of a soft polyvinyl chloride PVC/D material, the thickness is 0.8mm, and the outer diameter is 3.6 mm. The insulating layer 2 includes red and black colors.

Specifically, the filling layer 3 is filled in a round shape by adopting non-hygroscopic property, the wrapping tape 4 is tightly rolled, and the wrapping tape 4 is a CPP tape with non-hygroscopic property. The thickness of the wrapping tape 4 is 0.06mm, and the outer diameter is 7.4 mm.

Specifically, the sheath 5 is made of nitrile rubber, the thickness is 1.5mm, and the outer diameter is 10.4 mm.

In particular, the butyronitrile insulation and sheath flexible cable mainly has the function of replacing a rubber sleeve cable, so the design is mainly focused on the flexibility of the cable, the price is lower than that of the rubber sleeve cable, and the performance is superior to that of an RVV electric wire.

Specifically, the insulating sheath of the cable is a butyronitrile elastomer material in design, the material has good mechanical performance, the material has good flexibility, and the bending use of the cable cannot be influenced during moving. The sheath 5 has good oil resistance, and can ensure that the cable can be normally used in a severe environment.

Specifically, the main performance indexes of the butyronitrile insulated and sheathed flexible cable meet the related technical requirements; the direct current resistance of the conductor conforms to the regulation of the standard GB/T3956-; other properties of the cable meet the specifications of the enterprise standard Q/20203297-5.30-2020.

Specifically, the cable is designed and produced according to the standard of enterprise standard Q/20203297-5.30-2020 rubber-plastic flexible cable with rated voltage of 450/750V and below, the conventional performance of the cable meets the standard requirements of enterprises, and the flame retardant performance GB/T19666-.

It should be noted that the above-mentioned preferred embodiments are only illustrative and should not be construed as limiting the scope of the utility model, and that modifications and variations can be made by those skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A butyronitrile insulated and sheathed flexible cable is characterized in that a plurality of conducting wires, a filling layer (3), a wrapping tape (4) and a sheath (5) are sequentially arranged from inside to outside; the lead comprises a conductor (1), an insulating layer (2) is coated outside the conductor (1), and the insulating layer (2) is made of a butyronitrile elastomer material; the filling layer (3) adopts non-hygroscopic filling rounding; the sheath (5) is made of butyronitrile elastomer material, the thickness is 1.5mm, and the outer diameter is 10.4 mm; the cross section of the conductor (1) is 2.5mm²The outer diameter is 2.0 mm; the thickness of the insulating layer (2) is 0.8mm, and the outer diameter is 3.6 mm; the thickness of the wrapping tape (4) is 0.06mm, and the outer diameter is 7.4 mm.

2. A butyronitrile insulated and sheathed flexible cable as claimed in claim 1, wherein the conductor (1) is a soft copper conductor.

3. A nitrile insulation and sheath flexible cable as claimed in claim 1, wherein said wrapping tape (4) is a CPP tape.