CN216353409U

CN216353409U - Cable for polyvinyl chloride insulation installation

Info

Publication number: CN216353409U
Application number: CN202122983214.3U
Authority: CN
Inventors: 樊毅
Original assignee: Jiangsu Runde Cable Co ltd
Current assignee: Jiangsu Runde Cable Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-19
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to the technical field of cables, in particular to a cable for polyvinyl chloride insulation installation, which sequentially comprises the following components from inside to outside: the tin-plated copper wire core assembly comprises a tin-plated copper wire core assembly, a polyvinyl fluoride insulating layer, a thin film wrapping bag, a tin-plated copper wire woven layer and a polyvinyl chloride sheath, wherein the polyvinyl fluoride insulating layer is coated outside the tin-plated copper wire core assembly, the thin film wrapping bag is coated outside the polyvinyl fluoride insulating layer, the tin-plated copper wire woven layer is coated outside the thin film wrapping bag, and the polyvinyl chloride sheath is coated outside the tin-plated copper wire woven layer. This wire and cable's tinned copper silk thread core group has increased the thickness of sinle silk, makes it can bear more mechanical external force, adapts to outside environment, and the film has increased the compact type after the stranded of three inner cores around the package, and the tinned copper wire weaving layer has increased fastness and can the bending nature.

Description

Cable for polyvinyl chloride insulation installation

Technical Field

The utility model relates to the technical field of elevator cables, in particular to a cable for polyvinyl chloride insulation installation.

Background

The cable is a transmission device of electric energy or signals, usually comprises several or several groups of wires, transmits electric power or signals from one place to another place, and based on the basis, the cable is widely used in various industries, and has different performance requirements on the required cable under different environments, especially when the cable is laid and applied in the field, at low temperature or under rugged road environment, the performance requirements on the cable are higher, and the common cable can not meet the requirements.

Therefore, it is necessary to design a cable for insulating polyvinyl chloride installation to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable for polyvinyl chloride insulation installation, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a cable is used in insulating installation of polyvinyl chloride, this cable includes by interior outside to in proper order: the tin-plated copper wire core assembly comprises a tin-plated copper wire core assembly, a polyvinyl fluoride insulating layer, a thin film wrapping bag, a tin-plated copper wire woven layer and a polyvinyl chloride sheath, wherein the polyvinyl fluoride insulating layer is coated outside the tin-plated copper wire core assembly, the thin film wrapping bag is coated outside the polyvinyl fluoride insulating layer, the tin-plated copper wire woven layer is coated outside the thin film wrapping bag, and the polyvinyl chloride sheath is coated outside the tin-plated copper wire woven layer.

Preferably, the tinned copper wire core group comprises three strands of tinned copper wire cores which are mutually wound, namely a first tinned copper wire core, a second tinned copper wire core and a third tinned copper wire core.

Preferably, a high-temperature-resistant glass fiber layer is arranged between the film wrapping and the tinned copper wire woven layer, and a heat conduction pipe is filled between the high-temperature-resistant glass fiber layers.

And a thick steel wire armor layer is coated between the high-temperature resistant glass fiber layer and the polyvinyl chloride sheath.

Preferably, the cable has an operating temperature of-15 ℃ to 70 ℃.

Preferably, said firstThe maximum outer diameters of the first tinned copper wire core, the second tinned copper wire core and the third tinned copper wire core are 4.7-6.3mm, and the nominal sections of the first tinned copper wire core, the second tinned copper wire core and the third tinned copper wire core are 0.12-0.4mm²。

Preferably, the cable has an insulation resistance of no less than 2M omega at 20 ℃.

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

1. this wire and cable's tinned copper silk thread core group is formed through the transposition of first tinned copper wire sinle silk, second tinned copper wire sinle silk, the three strand sinle silks of third tinned copper wire sinle silk, has increased the thickness of sinle silk, makes it can bear more mechanical external force, adapts to outside environment, and the film has increased the compact type after the three strand inner cores are twisted around the package, and the tinned copper wire weaving layer has increased the fastness and can the bending nature.

2. The cooperation of high temperature resistant glass fiber layer and heat pipe in time spreads the heat that the cable during operation produced to the surrounding environment, avoids the cable to lead to the accident situation to take place because of overheated.

3. The thick steel wire armor layer is buried in the polyvinyl chloride sheath layer, so that the wear resistance of the cable is enhanced, and the durability of the cable is further improved.

Drawings

Fig. 1 is a front view of a wire cable of the present invention.

Fig. 2 is a cross-sectional view of a wire cable of the present invention.

In the figure: 100. tin-plated copper wire core group; 101. a first tinned copper wire core; 102. a second tinned copper wire core; 103. a third tinned copper wire core; 110. a polyvinyl fluoride insulating layer; 120. wrapping the film; 130. a tinned copper wire braid layer; 140. a polyvinyl chloride sheath; 150. a high temperature resistant glass fiber layer; 151. a heat conducting pipe; 160. thick steel wire armor layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown:

the utility model provides an electric wire and cable for polyvinyl chloride insulation installation, this electric wire and cable includes by inside to outside in proper order: tinned copper wire core group 100, polyvinyl fluoride insulating layer 110, the film is around package 120, tinned copper wire weaving layer 130, polyvinyl chloride sheath 140, the outer cladding of tinned copper wire core group 100 has polyvinyl fluoride insulating layer 110, the outer cladding of polyvinyl fluoride insulating layer 110 has the film around package 120, the film is around the outer cladding of package 120 has tinned copper wire weaving layer 130, the outer cladding of tinned copper wire weaving layer 130 has polyvinyl chloride sheath 140, tinned copper wire core group 100 includes intertwined three strands of tinned copper wire cores, be first tinned copper wire sinle silk 101 respectively, second tinned copper wire sinle silk 102 and third tinned copper wire sinle silk 103.

The tinned copper wire core group 100 of the wire and cable is formed by twisting three wire cores, namely a first tinned copper wire core 101, a second tinned copper wire core 102 and a third tinned copper wire core 103, and the first tinned copper wire core 101, the second tinned copper wire core 102 and the third tinned copper wire core 103 are all covered with a polyvinyl fluoride insulating layer 110, so that the first tinned copper wire core 101, the second tinned copper wire core 102 and the third tinned copper wire core 103 are independent and insulated from each other, and the use safety of the wire and cable is improved; the thickness of sinle silk has been increased, makes it can bear more mechanical external force, adapts to outside environment, and the film wraps up the surface at tin-plated copper silk thread core group 100 around package 110, has increased the compact type after the transposition of three strands of inner cores, and tin-plated copper wire weaving layer 120 wraps up again at the film around package 110 outside, has increased wire and cable's fastness and bendability.

Film is provided with high temperature resistant glass fiber layer 150 around being provided with between package 120 and the tinned copper wire weaving layer 130, fill between the high temperature resistant glass fiber layer 150 and heat pipe 151, the heat energy diffusion that produces when the tinned copper wire core group 100 of cable works is to high temperature resistant glass fiber layer 150 in, can be absorbed and spread to peripheral environment by heat pipe 151, consequently high temperature resistant glass fiber layer 150 and heat pipe 151's cooperation, there is the control action to the temperature of tinned copper wire core group 100, avoid the cable to lead to the incident condition to take place because of overheated.

The thick steel wire armor layer 160 is wrapped between the high-temperature resistant glass fiber layer 150 and the polyvinyl chloride sheath 140, and the thick steel wire armor layer 160 is buried in the polyvinyl chloride sheath, so that the wear resistance of the cable is enhanced, and the durability of the cable is further improved.

In addition, the laying temperature of the wire and the cable is not lower than-15 ℃, the upper limit of the long-term working temperature is 70 ℃, and the relative humidity is below 95%; under the condition of alternating current of 50hz, the rated voltage is 380v, the direct current is 500v, and the test voltage is 2000 v; the weaving density is not less than 80 percent, and the insulation resistance at 20 ℃ is not less than 2 MOmega and km; the maximum outer diameters of the first tinned copper wire core 101, the second tinned copper wire core 102 and the third tinned copper wire core 103 are 4.7-6.3mm, and the nominal sections of the first tinned copper wire core, the second tinned copper wire core and the third tinned copper wire core are 0.12-0.4mm²。

Claims

1. The utility model provides a cable is used in insulating installation of polyvinyl chloride which characterized in that, this cable by inside to outside in proper order includes: tinned copper wire core group (100), polyvinyl fluoride insulating layer (110), film are around package (120), tinned copper wire weaving layer (130), polyvinyl chloride sheath (140), the outer cladding of tinned copper wire core group (100) has polyvinyl fluoride insulating layer (110), the outer cladding of polyvinyl fluoride insulating layer (110) has the film around package (120), the film has tinned copper wire weaving layer (130) around the outer cladding of package (120), the outer cladding of tinned copper wire weaving layer (130) has polyvinyl chloride sheath (140).

2. The cable for polyvinyl chloride insulation installation according to claim 1, wherein: the tinned copper wire core group (100) comprises three strands of tinned copper wire cores which are mutually wound, namely a first tinned copper wire core (101), a second tinned copper wire core (102) and a third tinned copper wire core (103).

3. The cable for polyvinyl chloride insulation installation according to claim 2, wherein: and a high-temperature-resistant glass fiber layer (150) is arranged between the film lapping package (120) and the tinned copper wire braid layer (130), and heat conduction pipes (151) are filled between the high-temperature-resistant glass fiber layers (150).

4. A cable for polyvinyl chloride insulation installation according to claim 3, wherein: and a thick steel wire armor layer (160) is coated between the high-temperature resistant glass fiber layer (150) and the polyvinyl chloride sheath (140).

5. The cable for polyvinyl chloride insulation installation according to claim 4, wherein: the working temperature of the cable is-15 ℃ to 70 ℃.

6. The cable for polyvinyl chloride insulation installation according to claim 5, wherein: the maximum outer diameters of the first tinned copper wire core (101), the second tinned copper wire core (102) and the third tinned copper wire core (103) are 4.7-6.3mm, and the nominal sections of the first tinned copper wire core, the second tinned copper wire core and the third tinned copper wire core are 0.12-0.4mm²。

7. The cable for polyvinyl chloride insulation installation according to claim 6, wherein: the insulation resistance of the cable at 20 ℃ is not less than 2M omega.km.