CN220420273U - Novel mineral insulated cable - Google Patents
Novel mineral insulated cable Download PDFInfo
- Publication number
- CN220420273U CN220420273U CN202321956540.8U CN202321956540U CN220420273U CN 220420273 U CN220420273 U CN 220420273U CN 202321956540 U CN202321956540 U CN 202321956540U CN 220420273 U CN220420273 U CN 220420273U
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- China
- Prior art keywords
- outer sheath
- circular ring
- insulated cable
- sheath
- afr
- Prior art date
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 39
- 239000011707 mineral Substances 0.000 title claims abstract description 39
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 13
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims abstract description 10
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 238000000137 annealing Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 20
- 230000000087 stabilizing effect Effects 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a novel mineral insulated cable, which comprises an annealed copper inner core, an inner insulating film, a corrugated pipe, a dense mineral filling layer, a stable wire, a stable core, a copper alloy inner sheath, a reinforcing rib, a magnesium oxide insulating sleeve, a synthetic mica tape layer, a PVC outer sheath, an AFR/12 outer sheath, a convex contact, a left joint, a first circular ring, a clamping ring, a shaft seat, a rotating shaft, a torsion spring, a right joint and a second circular ring, wherein compared with the existing mineral insulated cable, the designed inner insulating film, the magnesium oxide insulating sleeve and the synthetic mica tape layer provide multi-layer insulation, the dense mineral filling layer, the PVC outer sheath and the AFR/12 outer sheath can effectively improve the fire resistance, and the corrugated pipe, the stable wire, the stable core, the copper alloy inner sheath and the reinforcing rib improve the integral mechanical strength of the cable; the first circular ring, the second circular ring and the convex contact can shorten the whole length of the cable and increase the surface friction, thereby facilitating the taking of workers.
Description
Technical Field
The utility model relates to the technical field of insulated cables, in particular to a novel mineral insulated cable.
Background
When the mineral insulated cable is used as wiring, the domestic habit is called a magnesium oxide cable or a fireproof cable, the mineral insulated cable is a copper core copper sheath cable taking mineral material magnesium oxide powder as an insulating layer, and the mineral insulated cable is composed of two inorganic materials of copper and magnesium oxide and has the advantages of fire resistance, explosion resistance, large current carrying capacity and the like, but the existing mineral insulated cable mostly adopts a single-layer insulating and sheath protection means, and has certain defects in insulating and fireproof performances; the surface of the existing mineral insulated cable is smooth, the friction force is low, and the cable is inconvenient to take after the length of the cable reaches a certain value.
Disclosure of Invention
The utility model aims to provide a novel mineral insulated cable for solving the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a novel mineral insulated cable, includes the copper alloy inner sheath, the inside of copper alloy inner sheath is provided with closely knit mineral filling layer, and annealing copper inner core is installed to closely knit mineral filling layer's inside distribution, has cup jointed the insulating cover of magnesium oxide on the copper alloy inner sheath, has cup jointed synthetic mica tape layer on the magnesium oxide insulating cover, has cup jointed the PVC outer sheath on the synthetic mica tape layer, has cup jointed AFR/12 oversheath on the PVC outer sheath.
Preferably, an inner insulating film is arranged on the annealed copper inner core, and a corrugated pipe is sleeved on the inner insulating film.
Preferably, the inside distribution of closely knit mineral filling layer installs the firm line, and the firm line sets up in one side of annealing copper inner core, and the inside center department of closely knit mineral filling layer is provided with the firm core.
Preferably, the inside of the copper alloy inner sheath is provided with reinforcing ribs in a distributed manner, and the AFR/12 outer sheath is provided with convex contacts in a distributed manner.
Preferably, one end of the AFR/12 outer sheath is provided with a left joint, the other end of the AFR/12 outer sheath is provided with a right joint, the bottom end of the left joint is fixedly connected with a first circular ring, and the bottom end of the right joint is fixedly connected with a second circular ring.
Preferably, the first circular ring is rotationally connected with a clamping ring, one side of the clamping ring is fixedly connected with a rotating shaft, two ends of the rotating shaft are symmetrically sleeved with shaft seats, the shaft seats are fixedly connected to the first circular ring, and torsion springs are symmetrically arranged at two ends of the rotating shaft.
The novel mineral insulated cable provided by the utility model has the advantages that: compared with the existing mineral insulated cable, the utility model has the advantages that the designed inner insulating film, the magnesia insulating sleeve and the synthetic mica tape layer provide multi-layer insulation, the dense mineral filling layer, the PVC outer protective layer and the AFR/12 outer protective sleeve can effectively improve the fire resistance, and the corrugated pipe, the stabilizing wire, the stabilizing core, the copper alloy inner protective sleeve and the reinforcing rib improve the integral mechanical strength of the cable; the first circular ring, the second circular ring and the convex contact can shorten the whole length of the cable and increase the surface friction, thereby facilitating the taking of workers.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall side view of the present utility model in cross-section;
FIG. 2 is a schematic diagram of the overall front view structure of the present utility model;
fig. 3 is a schematic top view of the axle seat of the present utility model.
In the figure: 1. annealing the copper inner core; 11. an inner insulating film; 12. a bellows; 2. a dense mineral packing layer; 21. a stabilizing wire; 22. stabilizing the core; 3. a copper alloy inner sheath; 31. reinforcing ribs; 4. a magnesium oxide insulating sleeve; 5. synthesizing a mica tape layer; 6. a PVC outer sheath; 7. an AFR/12 outer sheath; 71. a male contact; 8. a left joint; 81. a first ring; 82. a clasp; 83. a shaft seat; 84. a rotating shaft; 85. a torsion spring; 9. a right joint; 91. and a second ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
Referring to fig. 1-3, an embodiment of the present utility model is provided: the novel mineral insulated cable comprises a copper alloy inner sheath 3, wherein a dense mineral filling layer 2 is arranged in the copper alloy inner sheath 3, an annealed copper inner core 1 is arranged in the dense mineral filling layer 2 in a distributed manner, a magnesium oxide insulating sleeve 4 is sleeved on the copper alloy inner sheath 3, a synthetic mica tape layer 5 is sleeved on the magnesium oxide insulating sleeve 4, a PVC outer protective layer 6 is sleeved on the synthetic mica tape layer 5, and an AFR/12 outer protective layer 7 is sleeved on the PVC outer protective layer 6; an inner insulating film 11 is arranged on the annealing copper inner core 1, and a corrugated pipe 12 is sleeved on the inner insulating film 11; the inside of the compact mineral filling layer 2 is provided with stabilizing wires 21 in a distributed manner, the stabilizing wires 21 are arranged on one side of the annealed copper inner core 1, and the center of the inside of the compact mineral filling layer 2 is provided with a stabilizing core 22; the inside of the copper alloy inner sheath 3 is provided with reinforcing ribs 31 in a distributed manner, and the AFR/12 outer sheath 7 is provided with convex contacts 71 in a distributed manner; one end of the AFR/12 outer sheath 7 is provided with a left joint 8, the other end is provided with a right joint 9, the bottom end of the left joint 8 is fixedly connected with a first circular ring 81, and the bottom end of the right joint 9 is fixedly connected with a second circular ring 91; the first circular ring 81 is rotationally connected with a clamping ring 82, one side of the clamping ring 82 is fixedly connected with a rotating shaft 84, two ends of the rotating shaft 84 are symmetrically sleeved with shaft seats 83, the shaft seats 83 are fixedly connected to the first circular ring 81, and two ends of the rotating shaft 84 are symmetrically provided with torsion springs 85.
Working principle: the inner insulating film 11, the magnesium oxide insulating sleeve 4 and the synthetic mica tape layer 5 form multiple insulations, the corrugated pipe 12, the stabilizing wire 21 and the stabilizing core 22 increase the stability of the annealed copper inner core 1, the dense mineral filling layer 2 can prevent steam, flame and the like from passing between cables, the copper alloy inner sheath 3, the reinforcing ribs 31 and the PVC outer sheath 6 are used for increasing the integral mechanical strength, the AFR/12 outer sheath 7 is a low-smoke halogen-free material containing flame retardant, the self-extinguishing characteristic is achieved, the convex contact 71 can increase the friction force on the surface of the cable, when the whole cable is overlong and inconvenient to take, the left joint 8 and the right joint 9 can be folded together, then the second circular ring 91 is plugged into the first circular ring 81, the clamping ring 82 can block the second circular ring 91, and the whole cable length can be shortened so as to facilitate taking, wherein the shaft seat 83 and the rotating shaft 84 are used for installing the clamping ring 82, and the torsion spring 85 is used for resetting the clamping ring 82.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The utility model provides a novel mineral insulated cable, includes copper alloy inner sheath (3), its characterized in that: the inside of copper alloy inner sheath (3) is provided with closely knit mineral filling layer (2), and annealing copper inner core (1) is installed to closely knit mineral filling layer (2) inside distribution, has cup jointed magnesium oxide insulating boot (4) on copper alloy inner sheath (3), has cup jointed synthetic mica tape layer (5) on magnesium oxide insulating boot (4), has cup jointed PVC outer sheath (6) on synthetic mica tape layer (5), has cup jointed AFR/12 oversheath (7) on PVC outer sheath (6).
2. A novel mineral insulated cable according to claim 1, characterized in that: an inner insulating film (11) is arranged on the annealing copper inner core (1), and a corrugated pipe (12) is sleeved on the inner insulating film (11).
3. A novel mineral insulated cable according to claim 1, characterized in that: the inside distribution of closely knit mineral filling layer (2) is installed firm line (21), and firm line (21) set up in one side of annealing copper inner core (1), and the inside center department of closely knit mineral filling layer (2) is provided with firm core (22).
4. A novel mineral insulated cable according to claim 1, characterized in that: reinforcing ribs (31) are distributed and installed in the copper alloy inner sheath (3), and convex contacts (71) are distributed and arranged on the AFR/12 outer sheath (7).
5. The novel mineral insulated cable of claim 4, wherein: one end of the AFR/12 outer sheath (7) is provided with a left joint (8), the other end of the AFR/12 outer sheath is provided with a right joint (9), the bottom end of the left joint (8) is fixedly connected with a first circular ring (81), and the bottom end of the right joint (9) is fixedly connected with a second circular ring (91).
6. A novel mineral insulated cable according to claim 5, characterized in that: the novel rotary shaft is characterized in that a snap ring (82) is rotationally connected to the first circular ring (81), a rotary shaft (84) is fixedly connected to one side of the snap ring (82), shaft bases (83) are symmetrically sleeved at two ends of the rotary shaft (84), the shaft bases (83) are fixedly connected to the first circular ring (81), and torsion springs (85) are symmetrically arranged at two ends of the rotary shaft (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956540.8U CN220420273U (en) | 2023-07-25 | 2023-07-25 | Novel mineral insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956540.8U CN220420273U (en) | 2023-07-25 | 2023-07-25 | Novel mineral insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420273U true CN220420273U (en) | 2024-01-30 |
Family
ID=89647531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956540.8U Active CN220420273U (en) | 2023-07-25 | 2023-07-25 | Novel mineral insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420273U (en) |
-
2023
- 2023-07-25 CN CN202321956540.8U patent/CN220420273U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |