CN218038666U

CN218038666U - Environment-friendly high-temperature flame-retardant computer cable

Info

Publication number: CN218038666U
Application number: CN202222244094.XU
Authority: CN
Inventors: 张忠江; 张忠祥; 张晓军; 赵爱媛; 张琴
Original assignee: Anhui Tiansheng Instrument Cable Co ltd
Current assignee: Anhui Tiansheng Instrument Cable Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-12-13
Anticipated expiration: 2032-08-25

Abstract

The utility model discloses a fire-retardant computer cable of environment-friendly high temperature relates to the cable field, including protection basic unit and cable core, the outer periphery of protection basic unit is by interior and be equipped with shielding layer two and oversheath layer outward in proper order, and the oversheath layer is by chlorinated polyethylene, can play the inside mechanical damage and the chemical corrosion of not receiving of protection cable and increase the mechanical strength of cable, and two shielding layer one have been cup jointed to the inside of protection basic unit, can be used to the low frequency shielding, and the cable core sets up the inside at shielding layer one. The flame-retardant insulating sheet and the PP rope layer which are arranged at intervals in the filling medium layer can effectively play a role in flame retardance of the cable, and the filling medium layer is located in the middle layer area, so that the bidirectional flame-retardant using effect of heat generated by the cable and the high-temperature environment outside the cable can be achieved, and the purpose of spontaneous combustion using of the cable after aging is easily achieved.

Description

Environment-friendly high-temperature flame-retardant computer cable

Technical Field

The utility model relates to a cable field, in particular to fire-retardant computer cable of environment-friendly high temperature.

Background

The application range of the computer cable is continuously expanded, the computer cable belongs to a cable for electric equipment in the process of intellectualization and integration of electric instruments, the cable is suitable for electronic computers and automatic instruments with the rated voltage of 500V or below and higher requirements on interference resistance, and the cable can be insulated by adopting materials such as polyethylene, polyvinyl chloride, cross-linked polyethylene, fluoroplastic, silicon rubber and the like according to different environments and the use requirements of equipment, so that the market requirements can not be met.

The high temperature resistant fire resistance of current cable structure for computer is relatively poor, and the inside cable of cable receives outside high temperature easily and takes place ageing to arouse the ignition of cable easily, need improve, and current cable fire resistance is relatively weak, consequently, this application provides the fire-retardant computer cable of environment-friendly high temperature and satisfies the demand.

SUMMERY OF THE UTILITY MODEL

The application aims to provide an environment-friendly high-temperature flame-retardant computer cable, which is used for solving the problems that the high-temperature resistance and flame retardance of the existing cable structure for the computer proposed in the background art are poor, and a cable inside the cable is easy to age due to external high temperature and is easy to cause ignition of the cable.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a fire-retardant computer cable of environment-friendly high temperature, is including protection basic unit and cable core, the outer periphery of protection basic unit from interior to exterior is equipped with shielding layer two and oversheath layer in proper order, and the oversheath layer is by chlorinated polyethylene, can play the inside mechanical damage and the chemical corrosion of not receiving of protection cable and increase the mechanical strength of cable, and two shielding layers one have been cup jointed to the inside of protection basic unit, can be used to the low frequency shielding, and the cable core sets up the inside at shielding layer one.

Preferably, the following components: the cable core comprises a wire core and an insulating layer, wherein the wire core is formed by stranding a plurality of conductive fine wires, the insulating layer wraps the outer surface of the wire core, and the insulating layer is made of polyethylene materials and plays a role in insulation protection.

Preferably, the following components: the outer surface cladding of cable core has prevents stinging the protective layer, and the cable core cup joints mutually through preventing stinging protective layer and shielding layer one.

Preferably, the following components: the outer circumferential surface of the first shielding layer is coated with a filling medium layer, and the two first shielding layers are arranged in parallel inside the protective base layer.

Preferably: the filling medium layer is composed of a flame-retardant insulating sheet and a PP rope layer, and the flame-retardant insulating sheet and the PP rope layer are arranged at intervals.

Preferably: and the second shielding layer and the first shielding layer are formed by weaving tinned copper wires and can be used for low-frequency shielding of the cable.

Preferably, the following components: the protective base layer and the outer sheath layer are arranged concentrically.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses in, the fire-retardant insulating piece and the PP rope layer of arranging through the packing dielectric layer that sets up utilizes its inside interval can effectually play the fire-retardant use to the cable, and the packing dielectric layer is located the intermediate level region simultaneously, can be applicable to the inside self thermal two-way fire-retardant result of use that produces of cable outside high temperature environment and cable to prevent that the cable from arousing spontaneous combustion use purpose easily after ageing.

2. The utility model discloses in, can reduce mutual crosstalk and external interference between the return circuit through shielding layer two and shielding layer one that sets up, be favorable to the electromagnetic interference between the computer cable, set up through carrying out the layering with shielding layer two and shielding layer one, the shielding strap that can further improvement is taken and is covered the rate, reduces the shielding strap and takes the lid and lose the leakage area, further transmission efficiency who improves between the computer cable return circuit.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of a first three-dimensional assembly structure of the present invention;

FIG. 2 is a schematic view of a second three-dimensional assembly structure of the present invention;

FIG. 3 is a schematic view of the front view structure of the present invention;

fig. 4 is a schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a wire core; 2. an insulating layer; 3. a first shielding layer; 4. a puncture-proof protective layer; 5. a protective base layer; 6. filling the dielectric layer; 7. a second shielding layer; 8. an outer jacket 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.

The embodiment is as follows: referring to fig. 1-4, an environment-friendly high-temperature flame-retardant computer cable comprises a protective base layer 5 and cable cores, wherein a second shielding layer 7 and an outer sheath layer 8 are sequentially arranged on the outer circumferential surface of the protective base layer 5 from inside to outside, the outer sheath layer 8 is made of chlorinated polyethylene, and can protect the inside of the cable from mechanical damage and chemical corrosion and increase the mechanical strength of the cable, so as to protect the most basic outer layer, the protective base layer 5 and the outer sheath layer 8 are concentrically arranged, the cable cores comprise cable cores 1 formed by twisting a plurality of conductive thin wires and insulating layers 2 wrapping the outer surfaces of the cable cores 1, the insulating layers 2 are made of polyethylene materials and play a role of insulation protection, two first shielding layers 3 are sleeved inside the protective base layer 5 and can be used for low-frequency shielding, the cable cores are arranged inside the first shielding layers 3, and stab-resistant protective layers 4 are wrapped on the outer surfaces of the cable cores, the puncture-proof protective layer 4 can prevent the first shielding layer 3 from being deformed by external pressure to puncture the inner part of the cable core, the cable core is sleeved with the first shielding layer 3 through the puncture-proof protective layer 4, the outer circumferential surface of the first shielding layer 3 is coated with the filling dielectric layer 6, the filling dielectric layer 6 consists of the flame-retardant insulating sheet and the PP rope layer, the flame-retardant insulating sheet and the PP rope layer are arranged at intervals, the flame-retardant using of the cable can be effectively realized by the arranged filling dielectric layer 6 through the flame-retardant insulating sheet and the PP rope layer which are arranged at intervals, meanwhile, the filling dielectric layer 6 is positioned in the middle layer area, the cable can be suitable for the high-temperature environment outside the cable and the bidirectional flame-retardant using effect of the heat generated by the cable, so as to prevent the cable from easily causing spontaneous combustion after aging, the two first shielding layers 3 are arranged in parallel in the protective base layer 5, shielding layer two 7 and shielding layer one 3 weave the shielding layer that forms by the tinned copper wire, can be used for the low frequency shielding of cable, can reduce mutual crosstalk and external interference between the return circuit through shielding layer two 7 and the shielding layer one 3 that set up, be favorable to the electromagnetic interference between the computer cable, set up through carrying out the layering with shielding layer two 7 and shielding layer one 3, improvement shielding strap that can step forward takes the lid rate, it covers the area of losing leakage to reduce the shielding strap, further transmission efficiency between improvement computer cable return circuit.

This practical theory of operation: through the fire-retardant insulating piece and the PP rope layer of arranging of its inside interval of packing dielectric layer 6 that set up can effectually play the fire-retardant use to the cable, packing dielectric layer 6 is located the intermediate level region simultaneously, can be applicable to the outside high temperature environment of cable and the inside self thermal two-way fire-retardant result of use of cable, in order to prevent that the cable from arousing spontaneous combustion use purpose easily after ageing, and can reduce mutual crosstalk and the external disturbance between the return circuit through shielding layer two 7 and shielding layer one 3 that set up, be favorable to the electromagnetic interference between the computer cable, through carrying out the layering setting with shielding layer two 7 and shielding layer one 3, can further improvement shielding strap take the lid rate, it covers the area of losing to reduce the shielding strap, further transmission efficiency between the improvement computer cable return circuit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an fire-retardant computer cable of environment-friendly high temperature, includes protection basic unit (5) and cable core, its characterized in that: the outer periphery of protection basic unit (5) is from interior to exterior and is equipped with shielding layer two (7) and oversheath layer (8) in proper order, and oversheath layer (8) are by chlorinated polyethylene, can play the inside mechanical strength who does not receive mechanical damage and chemical corrosion and increase the cable of protection cable, and two shielding layer one (3) have been cup jointed to the inside of protection basic unit (5), can be used to the low frequency shielding, and the cable core setting is in the inside of shielding layer one (3).

2. The environment-friendly high-temperature flame-retardant computer cable according to claim 1, wherein: the cable core comprises a core (1) made by twisting a plurality of conductive fine wires and an insulating layer (2) wrapped on the outer surface of the core (1), wherein the insulating layer (2) is made of a polyethylene material and plays a role in insulation protection.

3. The environment-friendly high-temperature flame-retardant computer cable according to claim 1, wherein: the outer surface cladding of cable core has prevents stinging protective layer (4), and cable core cup joints mutually with shielding layer (3) through preventing stinging protective layer (4).

4. The environment-friendly high-temperature flame-retardant computer cable according to claim 1, characterized in that: the outer circumferential surface of the first shielding layer (3) is wrapped with a filling medium layer (6), and the two first shielding layers (3) are arranged in parallel inside the protective base layer (5).

5. The environment-friendly high-temperature flame-retardant computer cable according to claim 4, wherein: the filling medium layer (6) is composed of a flame-retardant insulating sheet and a PP rope layer, and the flame-retardant insulating sheet and the PP rope layer are arranged at intervals.

6. The environment-friendly high-temperature flame-retardant computer cable according to claim 1, wherein: and the second shielding layer (7) and the first shielding layer (3) are formed by weaving tinned copper wires and can be used for low-frequency shielding of the cable.

7. The environment-friendly high-temperature flame-retardant computer cable according to claim 1, characterized in that: the protective base layer (5) and the outer sheath layer (8) are arranged concentrically.