CN216145451U

CN216145451U - Cable with good halogen-free low-smoke flame-retardant effect for electric automation engineering

Info

Publication number: CN216145451U
Application number: CN202122024439.6U
Authority: CN
Inventors: 白薛峰
Original assignee: Individual
Current assignee: Chunhua Kunlun Youjia Cable Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-29
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a halogen-free low-smoke cable with good flame retardant effect for electrical automation engineering, which comprises an inner core layer, wherein the surface of the inner core layer is fixedly connected with a filling layer, the surface of the filling layer is fixedly connected with a composite armor layer, the surface of the composite armor layer is fixedly connected with an outer sheath layer, the composite armor layer comprises a fireproof flame retardant layer, the inner wall of the fireproof flame retardant layer is fixedly connected with an inner protective layer, and the inner core layer is composed of a cable guide core and an insulating layer. According to the utility model, through the matched use of the inner core layer, the filling layer, the composite armor layer, the outer sheath layer, the fireproof flame-retardant layer and the inner protection layer, the problem that the traditional cable for the electric automation engineering lacks an effective flame-retardant function in the long-term use process can be effectively solved, the cable can play a role in good flame-retardant effect, the heat transmission can be effectively blocked, the possibility of combustion is reduced, the safety performance of the cable is greatly improved, and the service life of the cable is prolonged.

Description

Cable with good halogen-free low-smoke flame-retardant effect for electric automation engineering

Technical Field

The utility model relates to the technical field of electrical automation, in particular to a halogen-free low-smoke flame-retardant cable for electrical automation engineering.

Background

The cable is made of one or more mutually insulated conductors and an outer insulation protection layer, a wire for transmitting electric power or information from one place to another place is generally a cable similar to a rope formed by twisting several or several groups of wires (at least two wires in each group), each group of wires are mutually insulated and often twisted around a center, the whole outer surface is coated with a highly-insulated covering layer, the cable has the characteristics of internal electrification and external insulation, and the cable for the current electric automation engineering has poor fire resistance and cannot realize the function of low smoke and flame retardance, so that the use of the cable by people is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cable with good halogen-free low-smoke flame retardant effect for electrical automation engineering, which has the advantage of improving the flame retardant effect and solves the problem that the cable for electrical automation engineering has poor fireproof performance and can not realize the low-smoke flame retardant function so as to influence the use of people on the cable.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric automatization engineering is with there being not steamed low fire-retardant effectual cable of cigarette, includes the inner core layer, the fixed surface of inner core layer is connected with the filling layer, the fixed surface of filling layer is connected with compound armor, the fixed surface of compound armor is connected with the oversheath layer, compound armor includes the fire prevention fire-retardant layer, the inner wall fixedly connected with inner sheath of the fire prevention fire-retardant layer.

Preferably, the inner core layer is composed of a cable conducting core and an insulating layer, the cable conducting core is made of oxygen-free copper, the cross section of the cable conducting core is circular, and the insulating layer is made of vulcanized nitrile rubber.

Preferably, the filling layer is made of a flame-retardant filler, and the flame-retardant filler is an alumina filler.

Preferably, the outer sheath layer is made of a polyvinyl chloride heat-shrinkable sleeve, and the thickness of the outer sheath layer is 1-2 mm.

Preferably, the fireproof flame-retardant layer is woven by galvanized steel wires, and the inner protective layer is made of glass fiber cloth tapes.

Preferably, a wrapping tape is arranged between the inner core layer and the filling layer and is made of non-woven fabrics.

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

1. according to the utility model, through the matched use of the inner core layer, the filling layer, the composite armor layer, the outer sheath layer, the fireproof flame-retardant layer and the inner protection layer, the problem that the traditional cable for the electric automation engineering lacks an effective flame-retardant function in the long-term use process can be effectively solved, the cable can play a role in good flame-retardant effect, the heat transmission can be effectively blocked, the possibility of combustion is reduced, the safety performance of the cable is greatly improved, and the service life of the cable is prolonged.

2. The cable comprises an inner core layer, a cable guide core and an insulating layer, can effectively play a role of electric conduction, and has an effective insulating function, the cable is made of flame-retardant filler which is aluminum oxide filler by arranging a filling layer, the cable has a high-efficiency flame-retardant function, the fire is prevented from spreading, the safety of the cable is improved, the cable can be effectively protected by arranging an outer sheath layer and adopting a polyvinyl chloride heat-shrinkable sleeve, the heat insulation and heat resistance effects are achieved, the cable is woven by adopting a galvanized steel wire by arranging a fireproof flame-retardant layer, the flame-retardant effect can be further enhanced, and the cable can effectively insulate heat and insulate by arranging an inner protection layer and adopting a glass fiber cloth belt.

Drawings

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

FIG. 2 is a schematic diagram of the composite armor of the present invention;

fig. 3 is a perspective view of the inner core structure according to the present invention.

In the figure: 1. an inner core layer; 2. a filling layer; 3. a composite armor layer; 301. a fire resistant and flame retardant layer; 302. an inner protective layer; 4. an outer jacket 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Referring to fig. 1-3, a halogen-free low-smoke cable with good flame retardant effect for electrical automation engineering comprises an inner core layer 1, wherein the inner core layer 1 is composed of a cable guide core and an insulating layer, the cable guide core is made of oxygen-free copper, the cross section of the cable guide core is circular, the insulating layer is made of vulcanized nitrile rubber, a wrapping tape is arranged between the inner core layer 1 and a filling layer 2, the wrapping tape is made of non-woven fabrics, the surface of the inner core layer 1 is fixedly connected with the filling layer 2, the filling layer 2 is made of flame retardant filler, the flame retardant filler is alumina filler, the surface of the filling layer 2 is fixedly connected with a composite armor layer 3, the surface of the composite armor layer 3 is fixedly connected with an outer sheath layer 4, the outer sheath layer 4 is made of polyvinyl chloride heat-shrinkable sleeve, the thickness of the outer sheath layer 4 is 1-2mm, the composite armor layer 3 comprises a fireproof flame retardant layer 301, the fireproof flame retardant layer 301 is formed by weaving galvanized steel wires, inner sheath 302 adopts the glass silk ribbon to make, the inner wall fixedly connected with inner sheath 302 of fire prevention flame retardant coating 301, through setting up inner core layer 1, adopt cable core and insulating layer to constitute, can effectually play electrically conductive effect, possess effective insulating function simultaneously, through setting up filling layer 2, adopt fire-retardant filler to make, fire-retardant filler is alumina filler, possess high-efficient fire-retardant function, avoid stretching of conflagration, the cable security has been improved, through setting up oversheath layer 4, adopt polyvinyl chloride heat shrinkage bush to make, can effectual protection cable, play thermal-insulated heat-resisting effect, through setting up fire prevention flame retardant coating 301, adopt galvanized steel wire to weave and form, can further strengthen fire-retardant effect, through setting up inner sheath 302, adopt the glass silk ribbon to make, play effective thermal-insulated purpose, through inner core layer 1, filling layer 2, compound armor 3, The cooperation of oversheath layer 4, fire prevention fire-retardant layer 301 and interior sheath 302 is used, can effectual solution traditional cable for the electrical automation engineering at the in-process of long-term use, lack effective fire-retardant function's problem, this cable can play the effect that flame retardant efficiency is good, can effectively block thermal propagation, has reduced the possibility of burning, very big improvement the security performance of cable, prolong its life.

During the use, through inner core layer 1, adopt cable conductor core and insulating layer to constitute, can effectually play electrically conductive effect, possess effective insulating function simultaneously, through filling layer 2, adopt fire-retardant filler to make, fire-retardant filler is the alumina filler, possess high-efficient fire-retardant function, avoid stretching of conflagration, the cable security has been improved, through oversheath layer 4, adopt polyvinyl chloride heat shrinkage bush to make, can effectual protection cable, play thermal-insulated heat-resisting effect, through fire prevention fire-retardant layer 301, adopt galvanized steel wire to weave and form, can further strengthen flame retardant efficiency, through inner sheath 302, adopt the glass silk strap to make, play effective thermal-insulated insulating purpose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric automatization engineering is with there being not steamed low fire-retardant effectual cable of cigarette, includes inner core layer (1), its characterized in that: the surface fixed connection of inner core layer (1) has filling layer (2), the surface fixed connection of filling layer (2) has compound armor (3), the surface fixed connection of compound armor (3) has oversheath layer (4), compound armor (3) are including fire prevention fire-retardant layer (301), inner wall fixed connection of fire prevention fire-retardant layer (301) is protected in sheath (302).

2. The electric automatization engineering is with halogen-free low smoke flame retardant effect cable of claim 1, characterized by: the inner core layer (1) is composed of a cable conducting core and an insulating layer, the cable conducting core is made of oxygen-free copper, the cross section of the cable conducting core is circular, and the insulating layer is made of vulcanized nitrile rubber.

3. The electric automatization engineering is with halogen-free low smoke flame retardant effect cable of claim 1, characterized by: the filling layer (2) is made of flame-retardant filler, and the flame-retardant filler is alumina filler.

4. The electric automatization engineering is with halogen-free low smoke flame retardant effect cable of claim 1, characterized by: the outer sheath layer (4) is made of a polyvinyl chloride heat-shrinkable sleeve, and the thickness of the outer sheath layer (4) is 1-2 mm.

5. The electric automatization engineering is with halogen-free low smoke flame retardant effect cable of claim 1, characterized by: the fireproof flame-retardant layer (301) is formed by weaving galvanized steel wires, and the inner protective layer (302) is made of glass fiber cloth tapes.

6. The electric automatization engineering is with halogen-free low smoke flame retardant effect cable of claim 1, characterized by: a wrapping tape is arranged between the inner core layer (1) and the filling layer (2), and the wrapping tape is made of non-woven fabrics.