CN212434306U - Flexible mineral insulated cable - Google Patents

Flexible mineral insulated cable Download PDF

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Publication number
CN212434306U
CN212434306U CN202021316602.5U CN202021316602U CN212434306U CN 212434306 U CN212434306 U CN 212434306U CN 202021316602 U CN202021316602 U CN 202021316602U CN 212434306 U CN212434306 U CN 212434306U
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CN
China
Prior art keywords
layer
mineral
cladding
halogen
insulating layer
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Active
Application number
CN202021316602.5U
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Chinese (zh)
Inventor
陈建
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Guangdong Yuanyang Cable Technology Co ltd
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Guangdong Yuanyang Cable Technology Co ltd
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Priority to CN202021316602.5U priority Critical patent/CN212434306U/en
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Abstract

The utility model discloses a flexible mineral insulated cable, including sinle silk, the interior sheath of steamed low cigarette of no halogen, first mineral substance insulating layer and steamed low cigarette outer jacket, steamed low cigarette inner jacket of no halogen has ethylene thermal contraction layer through the cladding, it has the mineral filling layer to fill between ethylene thermal contraction layer and the sinle silk, just ethylene thermal contraction layer passes through the cladding mineral filling layer and sinle silk, first mineral substance insulating layer passes through the cladding steamed low cigarette inner jacket, and be provided with between first mineral substance insulating layer and the steamed low cigarette outer jacket and separate the oxygen flame retardant coating, the utility model provides an adopt flexible construction, the essential material all adopts the mineral substance compound, has compensatied the structure and has had defects such as hard, easy burning, poisonous, it still has the advantage that some other cables can not have, if: fire resistance, large current-carrying capacity, impact voltage resistance, mechanical damage resistance, halogen-free, non-toxic, explosion-proof, waterproof, corrosion-resistant, long service life, safety, overload resistance, high temperature resistance, low cost and the like.

Description

Flexible mineral insulated cable
Technical Field
The utility model relates to the technical field of cables, especially, relate to a flexible mineral insulated cable.
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 conventional mineral insulated cable is in a severe working environment, needs to be tested in the face of external conditions such as high temperature, low temperature, corrosion and the like, and particularly has fire-resistant and insulating requirements for specific environments such as a matching existing network of an offshore oil platform, an oil refinery, a natural gas production and transmission system and the like, an electric circuit of a heating furnace for coke and metallurgy production, an illumination circuit on the furnace and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible mineral insulated cable has solved the problem that proposes in 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 flexible mineral insulated cable, includes sinle silk, does not have steamed low smoke inner sheath, first mineral substance insulating layer and steamed low smoke outer sheath, steamed low smoke inner sheath has ethylene heat shrink layer through the cladding, it has mineral filling layer to fill between ethylene heat shrink layer and the sinle silk, just ethylene heat shrink layer 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 is provided with between first mineral substance insulating layer and the steamed low smoke outer sheath and separate the oxygen flame retardant coating, steamed low smoke outer sheath passes through the cladding separate the oxygen flame retardant coating, separate the oxygen flame retardant coating through the cladding steamed low smoke outer sheath.
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 oxygen-free copper conductor, halogen-free isolation layer, electrically conductive shielding area and the second mineral substance insulating layer that sets gradually from inside to outside, the outside at oxygen-free copper conductor is passed through the cladding to the halogen-free isolation layer, electrically conductive shielding area is through wrapping the outside at the halogen-free isolation layer, the outside in electrically conductive shielding area is passed through the cladding to the second mineral substance insulating layer.
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 pair of flexible mineral insulated cable adopts flexible construction, and the essential material all adopts mineral compound, has compensatied the structure hard, easily burn, defect such as poisonous, and it still has the advantage that some other cables can not have, if: fire resistance, large current-carrying capacity, impact voltage resistance, mechanical damage resistance, halogen-free, non-toxic, explosion-proof, waterproof, corrosion-resistant, long service life, safety, overload resistance, high temperature resistance, low cost and the like.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the cable comprises a cable core 1, a halogen-free low-smoke inner protection layer 2, a first mineral substance insulation layer 3, a halogen-free low-smoke outer protection layer 4, an ethylene thermal contraction layer 5, a mineral filling layer 6, an oxygen-isolation fireproof layer 7, an oxygen-free copper conductor 11, a halogen-free isolation layer 12, a conductive shielding belt 13 and a second mineral substance insulation 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.
A flexible mineral insulated cable as shown in fig. 1, including sinle silk 1, there is not steamed low smoke inner sheath 2, first mineral substance insulating layer 3 and there is not steamed low smoke outer sheath 4, there is ethylene thermal contraction layer 5 in the cladding of no steamed low smoke inner sheath 2, it has mineral filling layer 6 to fill between ethylene thermal contraction layer 5 and the sinle silk 1, just ethylene thermal contraction layer 5 is through the cladding mineral filling layer 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 low smoke outer sheath 4 and separates oxygen flame retardant coating 7, low smoke and zero halogen outer sheath 4 is through the cladding separate oxygen flame retardant coating 7, separate oxygen flame retardant coating 7 through the cladding there is not 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 conductive shielding tape 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 conductive shielding tape 13 is wrapped outside the halogen-free isolation layer 12, and the second mineral substance insulating layer 14 is wrapped outside the conductive shielding tape 13.
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 flexible mineral insulated cable adopts flexible construction, and the essential material all adopts mineral compound, has compensatied the structure hard, easily burn, defect such as poisonous, and it still has the advantage that some other cables can not have, if: fire resistance, large current-carrying capacity, impact voltage resistance, mechanical damage resistance, halogen-free, non-toxic, explosion-proof, waterproof, corrosion-resistant, long service life, safety, overload resistance, high temperature resistance, low cost and the like.
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 (6)

1. A flexible mineral-insulated cable characterized by: including sinle silk (1), do not have steamed low smoke inner protection layer (2), first mineral substance insulating layer (3) and steamed low smoke outer protection layer (4), steamed low smoke inner protection layer (2) have ethylene thermal contraction layer (5) through the cladding, it has mineral filling layer (6) to fill between ethylene thermal contraction layer (5) and sinle silk (1), just ethylene thermal contraction layer (5) is through the cladding mineral filling layer (6) and sinle silk (1), first mineral substance insulating layer (3) are through the cladding steamed low smoke inner protection layer (2), and be provided with between first mineral substance insulating layer (3) and steamed low smoke outer protection layer (4) and separate oxygen flame retardant coating (7), steamed low smoke outer protection layer (4) are through the cladding separate oxygen flame retardant coating (7), separate oxygen flame retardant coating (7) through the cladding steamed low smoke outer protection layer (4).
2. A flexible mineral-insulated cable according to claim 1, characterized in that: the mineral filling layer (6) is made of ceramic silicon rubber.
3. A flexible mineral-insulated cable according to claim 1, characterized in that: 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. A flexible mineral-insulated cable according to claim 1, characterized in that: sinle silk (1) includes oxygen-free copper conductor (11), no halogen isolation layer (12), electrically conductive shielding area (13) and second mineral substance insulating layer (14) that set gradually from inside to outside, there is no halogen isolation layer (12) through the cladding in the outside of oxygen-free copper conductor (11), electrically conductive shielding area (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 electrically conductive shielding area (13).
5. A flexible mineral-insulated cable according to claim 4, characterized in that: the number of the wire cores (1) is 2-5.
6. A flexible mineral-insulated cable according to claim 4, characterized in that: 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.
CN202021316602.5U 2020-07-07 2020-07-07 Flexible mineral insulated cable Active CN212434306U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021316602.5U CN212434306U (en) 2020-07-07 2020-07-07 Flexible mineral insulated cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021316602.5U CN212434306U (en) 2020-07-07 2020-07-07 Flexible mineral insulated cable

Publications (1)

Publication Number Publication Date
CN212434306U true CN212434306U (en) 2021-01-29

Family

ID=74278670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021316602.5U Active CN212434306U (en) 2020-07-07 2020-07-07 Flexible mineral insulated cable

Country Status (1)

Country Link
CN (1) CN212434306U (en)

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