CN212809879U

CN212809879U - Aluminum-sheathed continuous extruded mineral insulated cable

Info

Publication number: CN212809879U
Application number: CN202021296283.6U
Authority: CN
Inventors: 陈建
Original assignee: Guangdong Yuanyang Cable Technology Co ltd
Current assignee: Guangdong Yuanyang Cable Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-26
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a continuous crowded package mineral insulated cable of aluminium cover, including the sinle silk, there is not steamed low cigarette inner sheath, first mineral substance insulating layer and there is not steamed low cigarette outer jacket, there is not steamed low cigarette inner sheath through the cladding have first aluminium cover flame retardant coating, it has the mineral filling layer to fill between first aluminium cover flame retardant coating and the sinle silk, and first aluminium cover flame retardant coating passes through cladding mineral filling layer and sinle silk, first mineral substance insulating layer is through cladding nothing steamed low cigarette inner sheath, and be provided with between first mineral substance insulating layer and the steamed low cigarette outer jacket and separate the oxygen flame retardant coating, and there is not steamed low cigarette outer jacket through cladding oxygen flame retardant coating, separate the oxygen flame retardant coating through cladding nothing steamed low cigarette outer jacket, the utility model discloses not only have pliability and armor effect concurrently, can keep the good flexibility of cable, also can increase the whole mechanical properties of cable, make the cable have fine waterproof, the, Fireproof and anti-collision effects; when in normal use, the cable has good flexibility.

Description

Aluminum-sheathed continuous extruded mineral insulated cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a continuous crowded package mineral insulated cable of aluminium cover.

Background

With the development of the world economy and science, the demand of the electric wire and the electric cable is increased, and the performance requirements of the electric wire and the electric cable are improved. Under new economic conditions and technical conditions, the development of the global wire and cable industry presents a new trend, and the environment-friendly cable gradually becomes the development key point of the global cable. The traditional mineral insulation fire-resistant cable can still keep supplying power for a long time after catching fire, but has the defects of low voltage-resistant grade, complex manufacture, high cost, poor bending property of the cable, short manufacture length, large amount of joints in the installation process, material and labor cost increase and low efficiency due to the limitation of the production process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a continuous crowded package mineral insulated cable of aluminium cover has solved the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a continuous crowded package mineral insulated cable of aluminium cover, includes sinle silk, does not have steamed low smoke inner sheath, first mineral substance insulating layer and steamed low smoke outer jacket, steamed low smoke inner sheath has first aluminium cover flame retardant coating through the cladding, it has the mineral filling layer to fill between first aluminium cover flame retardant coating and the sinle silk, just first aluminium cover flame retardant coating passes through the cladding mineral filling layer and sinle silk, first mineral substance insulating layer passes through the cladding steamed low smoke inner sheath, and be provided with between first mineral substance insulating layer and the steamed low smoke outer jacket and separate the oxygen flame retardant coating, steamed low smoke outer jacket passes through the cladding separate the oxygen flame retardant coating, separate the oxygen flame retardant coating through the cladding steamed low smoke outer jacket.

Further, the mineral filling layer is made of ceramic silicon rubber.

Furthermore, the halogen-free low-smoke inner protection layer and the halogen-free low-smoke outer protection layer are made of polyolefin materials.

Further, the sinle silk includes by interior oxygen-free copper conductor, halogen-free isolation layer, second aluminium cover flame retardant coating and the second mineral substance insulating layer that sets gradually outside to, there is not halogen-free isolation layer through the cladding in the outside of oxygen-free copper conductor, second aluminium cover flame retardant coating is through wrapping the outside at halogen-free isolation layer, second mineral substance insulating layer is through the cladding in the outside of second aluminium cover flame retardant coating.

Further, first aluminium cover flame retardant coating and second aluminium cover flame retardant coating are that there is not steamed low cigarette glass fiber tape overlapping to wind and form.

Furthermore, the number of the wire cores is 2-5.

Further, the first mineral substance insulating layer and the second mineral substance insulating layer are formed by alternately winding a mica tape and a high-flame-retardant ceramic fire-resistant composite tape.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a mineral insulated cable is crowded package in succession to aluminium cover, through first aluminium cover flame retardant coating cladding mineral filling layer, and set up in the outside of having no steamed low cigarette inner sheath, not only have pliability and armor effect concurrently, can keep the good flexibility of cable, also can increase the whole mechanical properties of cable, make the cable have fine waterproof, fire prevention, crashproof effect under the flame condition; when in normal use, the cable has good flexibility.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: sinle silk 1, there is not steamed low cigarette inner sheath 2, first mineral substance insulating layer 3, there is not steamed low cigarette outer sheath 4, first aluminium cover flame retardant coating 5, mineral filling layer 6, oxygen flame retardant coating 7, oxygen-free copper conductor 11, there is not steamed isolation layer 12, second aluminium cover flame retardant coating 13, second mineral substance insulating layer 14.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features.

As shown in figure 1, the continuous crowded package mineral insulated cable of aluminium cover, including sinle silk 1, there is not steamed low smoke inner sheath 2, first mineral substance insulating layer 3 and no steamed low smoke outer sheath 4, there is a first aluminium cover flame retardant coating 5 in no steamed low smoke inner sheath 2 through the cladding, it has mineral filling 6 to fill between first aluminium cover flame retardant coating 5 and the sinle silk 1, just first aluminium cover flame retardant coating 5 is through the cladding mineral filling 6 and sinle silk 1, first mineral substance insulating layer 3 is through the cladding there is not steamed low smoke inner sheath 2, and is provided with between first mineral substance insulating layer 3 and the steamed low smoke outer sheath 4 and separates oxygen flame retardant coating 7, there is not steamed low smoke outer sheath 4 through the cladding separate oxygen flame retardant coating 7, separate oxygen flame retardant coating 7 through the cladding there is steamed low smoke outer sheath 4.

In this embodiment, the mineral filling layer 6 is made of ceramic silicone rubber.

In this embodiment, the halogen-free low-smoke inner protection layer 2 and the halogen-free low-smoke outer protection layer 4 are made of polyolefin materials.

In this embodiment, the wire core 1 includes an oxygen-free copper conductor 11, a halogen-free isolation layer 12, a second aluminum sheath fire-resistant layer 13 and a second mineral substance insulating layer 14, which are sequentially arranged from inside to outside, the halogen-free isolation layer 12 is wrapped outside the oxygen-free copper conductor 11, the second aluminum sheath fire-resistant layer 13 is wrapped outside the halogen-free isolation layer 12, and the second mineral substance insulating layer 14 is wrapped outside the second aluminum sheath fire-resistant layer 13.

In this embodiment, the first aluminum sheath refractory layer 5 and the second aluminum sheath refractory layer 13 are formed by overlapping and wrapping halogen-free low-smoke glass fiber tapes.

In this embodiment, the number of the wire cores 1 is 2 to 5.

In this embodiment, the first mineral insulating layer 3 and the second mineral insulating layer 14 are formed by alternately winding a mica tape and a high flame retardant ceramic fire-resistant composite tape.

The utility model provides a pair of aluminium cover is mineral insulated cable in crowded package in succession, through first aluminium cover flame retardant coating 5 cladding mineral filling layer 6, and set up in the outside of steamed low cigarette inner sheath 2 that does not have, and the anaerobic copper conductor 11 that sinle silk 1 set gradually from inside to outside, there is not steamed isolation layer 12, second aluminium cover flame retardant coating 13 and second mineral substance insulating layer 14 are constituteed, wherein second aluminium cover flame retardant coating 13 sets up between steamed isolation layer 12 and second mineral substance insulating layer 14, not only have pliability and armor effect concurrently, can keep good flexibility of cable, also can increase the whole mechanical properties of cable, make the cable have fine waterproof, fire prevention, crashproof effect under the flame condition; when in normal use, the cable has good flexibility.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminium cover is crowded package mineral insulated cable in succession which characterized in that: comprises a wire core (1), a halogen-free low-smoke inner protection layer (2), a first mineral substance insulation layer (3) and a halogen-free low-smoke outer protection layer (4), the halogen-free low-smoke inner protection layer (2) is coated with a first aluminum sheath flame retardant coating (5), a mineral filling layer (6) is filled between the first aluminum sleeve fire-resistant layer (5) and the wire core (1), and the first aluminum sheath refractory layer (5) coats the mineral filling layer (6) and the wire core (1), the first mineral substance insulating layer (3) is coated on the halogen-free low-smoke inner protective layer (2), an oxygen-insulating fireproof layer (7) is arranged between the first mineral substance insulating layer (3) and the halogen-free low-smoke outer protective layer (4), the halogen-free low-smoke outer protective layer (4) is coated with the oxygen-insulating fireproof layer (7), the oxygen-insulating fireproof layer (7) is coated on the halogen-free low-smoke outer protective layer (4).

2. The aluminum sheathed continuous extruded mineral insulated cable of claim 1, wherein: the mineral filling layer (6) is made of ceramic silicon rubber.

3. The aluminum sheathed continuous extruded mineral insulated cable of claim 1, wherein: the halogen-free low-smoke inner protection layer (2) and the halogen-free low-smoke outer protection layer (4) are made of polyolefin materials.

4. The aluminum sheathed continuous extruded mineral insulated cable of claim 1, wherein: sinle silk (1) include by interior oxygen-free copper conductor (11), no halogen isolation layer (12), second aluminium cover flame retardant coating (13) and second mineral substance insulating layer (14) that set gradually outside to, there is no halogen isolation layer (12) through the cladding in the outside of oxygen-free copper conductor (11), second aluminium cover flame retardant coating (13) is through wrapping the outside at no halogen isolation layer (12), second mineral substance insulating layer (14) are through the cladding in the outside of second aluminium cover flame retardant coating (13).

5. The aluminum sheathed continuous extruded mineral insulated cable of claim 4, wherein: first aluminium cover flame retardant coating (5) and second aluminium cover flame retardant coating (13) are that there is not steamed low cigarette glass fiber tape overlapping to wind the package and form.

6. An aluminium sheathed continuous extruded mineral insulated cable according to any one of claims 1 or 4, wherein: the number of the wire cores (1) is 2-5.

7. The aluminum sheathed continuous extruded mineral insulated cable of claim 4, wherein: the first mineral substance insulating layer (3) and the second mineral substance insulating layer (14) are formed by alternately winding a mica tape and a high-flame-retardant ceramic fire-resistant composite tape.