CN216119583U - Mineral insulated cable - Google Patents
Mineral insulated cable Download PDFInfo
- Publication number
- CN216119583U CN216119583U CN202121568974.1U CN202121568974U CN216119583U CN 216119583 U CN216119583 U CN 216119583U CN 202121568974 U CN202121568974 U CN 202121568974U CN 216119583 U CN216119583 U CN 216119583U
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- Prior art keywords
- layer
- cable
- wall
- insulated cable
- copper
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 27
- 239000011707 mineral Substances 0.000 title claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 87
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910052802 copper Inorganic materials 0.000 claims abstract description 66
- 239000010949 copper Substances 0.000 claims abstract description 66
- 239000004020 conductor Substances 0.000 claims abstract description 35
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 230000003064 anti-oxidating effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 abstract description 16
- 238000007254 oxidation reaction Methods 0.000 abstract description 16
- 229920001971 elastomer Polymers 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920001973 fluoroelastomer Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000865 membrane-inlet mass spectrometry Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The application relates to the technical field of insulated cables, and discloses a mineral insulated cable, which comprises a copper conductor and a cable outer layer, wherein the copper conductor is positioned in the cable outer layer, the inner wall of the cable outer layer is provided with an oxidation resistant layer, the oxidation resistant layer is connected with the cable outer layer, the inner wall of the oxidation resistant layer is provided with a waterproof layer, the inner wall of the waterproof layer is provided with an insulating layer, the insulating layer is connected with the waterproof layer, the inner wall of the insulating layer is provided with an protective layer, the mineral insulated cable provided by the application can protect the inner copper conductor, compared with a common insulated cable, the mineral insulated cable provided by the application can protect the copper sheath, the copper sheath is prevented from being oxidized and the like, the inner copper conductor is not stably connected with the outer rubber layer in the using process, so that the rubber layer is easy to rotate with the copper conductor, thereby causing a problem that the use effect of the insulated cable is unstable.
Description
Technical Field
The application relates to the technical field of insulated cables, in particular to a mineral insulated cable.
Background
Mineral insulated cable (Mineral insulated cable) is a cable which uses a copper sheath to wrap a copper conductor core wire and uses magnesium oxide powder as an inorganic insulating material to isolate a conductor and the sheath, and the outermost layer can be selected to be a proper protective sleeve according to requirements. Commonly known as MICC or MI cables. There is a similar Cable in which a core and an insulating material are wrapped with a metal instead of a copper sheath, called a Mineral insulated metal sheath Cable (MIMS Cable).
The structure can be divided into rigid and flexible. According to the standard, the cable can be divided into national standard cable (rigid) and enterprise standard cable (flexible). The rigid mineral cable has the old national standard, is extremely difficult to bend as the name suggests, has great limitation in transportation and installation, the RTTZ type of the flexible mineral cable has the national standard GB/T34926 and 2017, the other types have the standards set by enterprises, and the standards of the manufacturers are different in height and quality.
The existing mineral insulated cable is simple in structure, and the connection between the copper conductor inside and the rubber layer outside is unstable in the using process, so that the rubber layer and the copper conductor are easy to rotate, and the using effect of the insulated cable is unstable.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art's not enough, this application provides a mineral insulated cable, it is comparatively stable to possess being connected between copper conductor and the insulating material, and can protect the copper sheath, prevent advantages such as copper sheath oxidation, be used for solving among the prior art mineral insulated cable simple structure, the copper conductor of in-process inside and outside rubber layer connection unstable of using, lead to the rubber layer to produce the rotation with the copper conductor easily, thereby lead to the unstable problem of insulated cable's result of use.
(II) technical scheme
The application provides the following technical scheme: a mineral insulated cable comprises a copper conductor and a cable outer layer, wherein the copper conductor is positioned in the cable outer layer, the inner wall of the cable outer layer is provided with an oxidation resistant layer, the oxidation resistant layer is connected with the cable outer layer, the inner wall of the oxidation resistant layer is provided with a waterproof layer, the inner wall of the waterproof layer is provided with an insulating layer, the insulating layer is connected with the waterproof layer, the inner wall of the insulating layer is provided with a protective layer, the protective layer is connected with the insulating layer, the inner wall of the protective layer is provided with a fixed block, the fixed block is connected with the protective layer, a copper sheath is arranged between the fixed blocks and is in contact with the fixed block, a limiting pipe is arranged inside the copper sheath, the limiting pipe is in contact with the copper sheath, the inner wall of the limiting pipe is provided with a fixed structure, the fixed structure is connected with the limiting pipe, and the inner wall of the fixed structure is provided with an insulating pipe, the insulating tube is connected with the fixing structure, and the copper conductor is located on the inner wall of the insulating tube and connected with the insulating tube.
Through the mineral insulated cable that this application provided, can protect the copper conductor of inside, and for ordinary insulated cable, the insulated cable that this application provided can protect the copper sheath, prevent advantages such as copper sheath oxidation, mineral insulated cable simple structure among the prior art has been solved, the inside copper conductor of in-process that uses is unstable with outside rubber layer connection, lead to the rubber layer to produce with the copper conductor easily and rotate, thereby lead to the unstable problem of insulated cable's result of use.
The position of insulating tube can be fixed through setting up fixed knot and constructing to avoid inside copper conductor can receive the influence of crookedness at the in-process that uses, thereby can avoid the cable after the bending, lead to being connected unstably of inside copper conductor and insulating tube, further can protect the cable in the in-process that uses, in case receive the extrusion will cause the influence to inside connection stability.
Can prevent the ageing of cable too fast through setting up the antioxidation coating, and then can avoid inside copper sheathing to expose among the air, further can avoid the cable to receive the extrusion back, lead to the outer unstable of connecting of cable, and can improve the stability of cable in the use, further can prevent that the fracture back rainwater from getting into.
In one possible embodiment, the thickness of the oxidation resistant layer is 0.3-0.6 mm.
The antioxidation layer is made of fluororubber.
In a possible embodiment, the thickness of the waterproof layer is 0.1 to 0.3 mm.
The waterproof layer is made by alternately wrapping rubber waterproof cloth.
In one possible embodiment, the thickness of the insulating layer is 0.3 to 0.5 mm.
The insulating layer is made of any one of asbestos, cotton yarn and mica.
In a possible embodiment, the thickness of the protective layer is 0.5 to 0.8 mm.
The protective layer is made of nitrile rubber or polyvinyl alcohol.
In one possible embodiment, the copper sheath has a thickness of 0.1 to 0.5 mm.
In a possible embodiment, the thickness of the insulating tube is 0.2-0.3 mm.
The insulating tube is made of any one of insulating resin or cotton yarn.
Compared with the prior art, the application provides a mineral insulated cable, possesses following beneficial effect:
1. this application can fix the position of insulating tube through setting up fixed knot structure to avoid inside copper conductor can receive the influence of crookedness at the in-process that uses, thereby can avoid the cable after the bending, lead to being connected unstablely of inside copper conductor and insulating tube, further can protect the cable in the in-process that uses, in case receive the extrusion will cause the influence to inside connection stability.
2. This application can prevent the too fast ageing of cable through setting up the antioxidation layer, and then can avoid inside copper sheathing to expose among the air, and further can avoid the cable to receive the extrusion back, lead to the outer connection of cable unstable, and can improve the stability of cable in the use, further can prevent that the fracture back rainwater from getting into.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a schematic view of the overall structure of a mineral insulated cable provided in the present application;
fig. 2 is a half-sectional view of a mineral insulated cable provided herein;
fig. 3 is a side view of a mineral insulated cable provided herein;
fig. 4 is a front cross-sectional view of a mineral insulated cable provided herein.
Wherein: the cable comprises a copper conductor 1, a cable outer layer 2, an insulating pipe 11, a fixing structure 12, a limiting pipe 13, a copper sheath 14, a fixing block 15, a protective layer 16, an insulating layer 17, a waterproof layer 18 and an anti-oxidation layer 19.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1-4, the present application provides a mineral insulated cable, comprising a copper conductor 1 and a cable outer layer 2, wherein the copper conductor 1 is located in the cable outer layer 2, the inner wall of the cable outer layer 2 is provided with an oxidation resistant layer 19, the oxidation resistant layer 19 is connected with the cable outer layer 2, the inner wall of the oxidation resistant layer 19 is provided with a waterproof layer 18, the inner wall of the waterproof layer 18 is provided with an insulating layer 17, the insulating layer 17 is connected with the waterproof layer 18, the inner wall of the insulating layer 17 is provided with a protective layer 16, the protective layer 16 is connected with the insulating layer 17, the inner wall of the protective layer 16 is provided with a fixing block 15, the fixing block 15 is connected with the protective layer 16, a copper sheath 14 is arranged between the fixing blocks 15, the copper sheath 14 is in contact with the fixing block 15, a limiting pipe 13 is arranged inside the copper sheath 14, the limiting pipe 13 is in contact with the copper sheath 14, the inner wall of the limiting pipe 13 is provided with a fixing structure 12, the insulating pipe 11 is arranged on the inner wall of the fixing structure 12, the insulating tube 11 is connected with the fixing structure 12, and the copper conductor 1 is positioned on the inner wall of the insulating tube 11 and connected with the insulating tube 11.
Through the mineral insulated cable that this application provided, can protect inside copper conductor 1, and for ordinary insulated cable, the insulated cable that this application provided can protect copper sheath 14, prevent advantages such as copper sheath 14 oxidation, mineral insulated cable simple structure among the prior art has been solved, it is unstable to be connected with outside rubber layer at inside copper conductor 1 of in-process that uses, lead to the rubber layer to produce the rotation with copper conductor 1 easily, thereby lead to the unstable problem of the result of use of insulated cable.
Through setting up fixed knot structure 12 can fix the position of insulating tube 11 to avoid inside copper conductor 1 can receive the influence of crookedness at the in-process that uses, thereby can avoid the cable after the bending, lead to inside copper conductor 1 and insulating tube 11 be connected unstably, further can protect the cable in the in-process that uses, in case receive the extrusion will cause the influence to inside connection stability.
Can prevent the ageing of cable too fast through setting up oxidation resisting layer 19, and then can avoid inside copper sheathing 14 to expose among the air, further can avoid the cable to receive the extrusion back, lead to the connection of cable outer 2 unstable, and can improve the stability of cable in the use, further can prevent that the back rainwater that ftractures from getting into.
In one possible embodiment, the thickness of the oxidation resistant layer 19 is 0.3-0.6 mm.
The antioxidation layer 19 is made of fluororubber.
In one possible embodiment, the thickness of the waterproof layer 18 is 0.1 to 0.3 mm.
The waterproof layer 18 is made of rubber waterproof cloth in a cross wrapping mode.
In one possible embodiment, the thickness of the insulating layer 17 is 0.3-0.5 mm.
The insulating layer 17 is made of any one of asbestos, cotton yarn, and mica.
In one possible embodiment, the protective layer 16 has a thickness of 0.5 to 0.8 mm.
The protective layer 16 is made of nitrile rubber or polyvinyl alcohol.
In one possible embodiment, the copper sheath 14 has a thickness of 0.1 to 0.5 mm.
In a possible embodiment, the thickness of the insulating tube 11 is 0.2-0.3 mm.
The insulating tube 11 is made of any one of insulating resin or cotton yarn.
In addition this application still provides a mineral insulated cable's messenger theory of operation, utilize inside insulating tube 11 to restrict and fix inside copper conductor 1, utilize fixed knot structure 12 can fix the position of insulating tube 11, prevent that insulating tube 11 from removing, utilize copper sheath 14 can protect inside structure, utilize fixed block 15 can restrict the position of copper sheath 14, prevent that copper sheath 14 from rotating, utilize inoxidizing coating 16 can improve the inside stability of cable, and utilize insulating layer 17 can guarantee the insulating nature of cable, utilize waterproof layer 18 can prevent that steam from getting into the inside influence to inside copper sheath 14 of cable, utilize oxidation resisting layer 19 can prevent that the cable from ageing too fast, thereby increase the life of cable.
Although embodiments of the present application 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 application, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions in the present application will be clearly and completely described below with reference to the accompanying drawings in the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
Claims (7)
1. A mineral insulated cable comprising a copper conductor (1) and a cable outer layer (2), characterized in that: the copper conductor (1) is located in the outer (2) of cable, the inner wall of the outer (2) of cable has antioxidation layer (19), antioxidation layer (19) with the outer (2) of cable is connected, the inner wall of antioxidation layer (19) has waterproof layer (18), the inner wall of waterproof layer (18) has insulating layer (17), insulating layer (17) with waterproof layer (18) are connected, the inner wall of insulating layer (17) has inoxidizing coating (16), inoxidizing coating (16) with insulating layer (17) are connected, the inner wall of inoxidizing coating (16) has fixed block (15), fixed block (15) with inoxidizing coating (16) are connected, copper sheath (14) have between fixed block (15), copper sheath (14) with fixed block (15) contact, the inside of copper sheath (14) has spacing pipe (13), spacing pipe (13) with copper sheath (14) contact, the inner wall of spacing pipe (13) has fixed knot to construct (12), fixed knot construct (12) with spacing pipe (13) are connected, the inner wall of fixed knot structure (12) has insulating tube (11), insulating tube (11) with fixed knot constructs (12) and connects, copper conductor (1) are located the inner wall of insulating tube (11) and with insulating tube (11) are connected.
2. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the anti-oxidation layer (19) is 0.3-0.6 mm.
3. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the waterproof layer (18) is 0.1-0.3 mm.
4. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the insulating layer (17) is 0.3-0.5 mm.
5. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the protective layer (16) is 0.5-0.8 mm.
6. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the copper sheath (14) is 0.1-0.5 mm.
7. A mineral-insulated cable according to claim 1, characterized in that: the thickness of the insulating tube (11) is 0.2-0.3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568974.1U CN216119583U (en) | 2021-07-12 | 2021-07-12 | Mineral insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121568974.1U CN216119583U (en) | 2021-07-12 | 2021-07-12 | Mineral insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119583U true CN216119583U (en) | 2022-03-22 |
Family
ID=80722053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121568974.1U Expired - Fee Related CN216119583U (en) | 2021-07-12 | 2021-07-12 | Mineral insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119583U (en) |
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2021
- 2021-07-12 CN CN202121568974.1U patent/CN216119583U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |