CN212208954U - Mica tape mineral insulation corrugated aluminum alloy sheath cable - Google Patents
Mica tape mineral insulation corrugated aluminum alloy sheath cable Download PDFInfo
- Publication number
- CN212208954U CN212208954U CN202021150440.2U CN202021150440U CN212208954U CN 212208954 U CN212208954 U CN 212208954U CN 202021150440 U CN202021150440 U CN 202021150440U CN 212208954 U CN212208954 U CN 212208954U
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- CN
- China
- Prior art keywords
- layer
- aluminum alloy
- mica tape
- corrugated aluminum
- outer side
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 42
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 26
- 239000010445 mica Substances 0.000 title claims abstract description 26
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 26
- 239000011707 mineral Substances 0.000 title claims abstract description 26
- 238000009413 insulation Methods 0.000 title claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 8
- 238000005253 cladding Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 11
- 229920002379 silicone rubber Polymers 0.000 claims description 10
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 4
- 238000009941 weaving Methods 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 231100000701 toxic element Toxicity 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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Abstract
The utility model discloses a mica tape mineral insulation ripple aluminum alloy sheath cable, its technical scheme main points are: the copper conductor and the wire support body are twisted together two by two, the outer side of the copper conductor is coated with an insulating layer, the outer side of the insulating layer is coated with a mica tape layer, the inside of the wire support body is divided into a plurality of cavities by an inner supporting layer, an outer supporting layer and a connecting plate, the copper conductor is arranged in the cavities, a filler is arranged in a gap between the wire support body and the mica tape layer, the outer side of the outer supporting layer is coated with a shielding layer, the outer side of the shielding layer is coated with a wrapping tape layer, the outer side of the wrapping tape layer is coated with an inner sheath layer, the outer side of the inner sheath layer is fixedly provided with a plurality of convex rings, the outer side of the inner sheath layer is coated with a corrugated aluminum alloy layer, and the outer; the problem of current power cable bendable degree poor and many cable cores direct contact set up and cause short circuit phenomenon easily is solved.
Description
Technical Field
The utility model belongs to the technical field of the power cable technique and specifically relates to a mica tape mineral insulation ripple aluminum alloy sheath cable.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater; during peak periods of power consumption, a large number of power cables are required for power transmission, and the diameter of the power cables is larger than that of general cables, so that the power cables are required to penetrate through walls or be buried underground and subjected to various extrusion bending when power is distributed to various households and various factories.
The existing power cable is difficult to bend by hands when the cable is arranged at a corner due to poor flexibility; meanwhile, a plurality of cable cores inside the existing cable are in direct contact, and if an insulating layer outside the cable core is damaged, the insulating layer is easy to be in direct contact with the adjacent cable cores and is in short circuit, so that accidents are caused.
SUMMERY OF THE UTILITY MODEL
To the problem of mentioning in the background art, the utility model aims at providing a mica tape mineral insulation ripple aluminum alloy sheath cable to solve the current poor and many cable core direct contact settings of power cable bendable degree that mentions in the background art and cause the problem of short circuit phenomenon easily.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a mica tape mineral insulation corrugated aluminum alloy sheath cable comprises a plurality of copper conductors and a wire support body, wherein the copper conductors are twisted together in pairs, the outer sides of the copper conductors are coated with an insulating layer, the outer sides of the insulating layer are coated with a mica tape layer, the material of the wire support body is ceramic silicon rubber, the wire support body comprises an inner support layer and an outer support layer, a plurality of connecting plates are integrally formed between the inner support layer and the outer support layer, the inside of the wire support body is divided into a plurality of cavities by the inner support layer, the outer support layer and the connecting plates are divided into a plurality of cavities, copper conductors are arranged inside the plurality of cavities, a filler is arranged in a gap between the wire support body and the mica tape layer, the outer side of the outer support layer is coated with a shielding layer, the outer side of the shielding layer is coated with a wrapping tape layer, the outer side of the wrapping tape layer is coated with an inner sheath layer, the material of the, the outside cladding of inner sheath layer has corrugated aluminum alloy layer, and the outside cladding of corrugated aluminum alloy layer has the oversheath layer.
Further, the copper conductor adopts the annealing copper line to make, and the outside of copper line is provided with the tin coating, and the thickness of tin coating is 1 mm.
By adopting the technical scheme, the tin-plated layer can improve the insulating property of the copper conductor, and the current in each copper conductor is ensured not to interfere.
Furthermore, the insulating layer is formed by extruding and wrapping polyethylene materials.
By adopting the technical scheme, the polyethylene does not contain halogen toxic elements such as fluorine, chlorine, bromine and iodine, and meets the requirement of environmental protection.
Furthermore, the filler is made of ceramic fiber cotton.
Through adopting above-mentioned technical scheme, ceramic fiber cotton has excellent fire resistive characteristic, increases the utility model discloses a fire resistance.
Furthermore, the shielding layer is formed by weaving copper wires.
Through adopting above-mentioned technical scheme, make the utility model discloses possess stronger shielding external signal interference's ability.
Furthermore, the wrapping tape layer is made of glass fiber tapes.
By adopting the technical scheme, the glass fiber belt has higher fire resistance.
Furthermore, the outer diameter of the convex ring is smaller than the inner diameter of the bulge of the corrugated aluminum alloy layer, and the convex ring is uniformly distributed in the axial direction of the inner sheath layer.
Through adopting above-mentioned technical scheme, ensure that the cladding of corrugated aluminum alloy layer is behind the inner sheath layer, bellied inside of corrugated aluminum alloy layer can be placed to the bulge loop, has improved the anti extrusion characteristic of corrugated aluminum alloy layer.
Furthermore, the outer sheath layer is made of silicon rubber materials.
By adopting the technical scheme, the silicone rubber has excellent heat resistance and can work for a long time at high temperature.
To sum up, the utility model discloses mainly have following beneficial effect:
1. the utility model discloses a, there is corrugated aluminum alloy layer through the outside cladding at mineral insulated cable, because corrugated aluminum alloy layer has good bendable nature for mineral insulated cable easily bare-handed bending when the wiring.
2. The utility model discloses a, be provided with the inner sheath layer at mineral insulated cable's inside is fixed, and the outside on inner sheath layer is fixed and is provided with a plurality of bulge loops, and with corrugated aluminum alloy layer cladding behind the outer end on inner sheath layer, the bulge loop card is gone into to corrugated aluminum alloy layer's protruding inside, has played certain support and fixed action to corrugated aluminum alloy layer, has improved corrugated aluminum alloy layer's intensity and stability.
3. The utility model discloses a, be provided with the wire supporter through the inside at mineral insulated cable, at a plurality of cavitys of internal partitioning of wire supporter, place the copper conductor after each solitary cavity is inside, can avoid many cable core direct contacts, because the material of wire supporter is ceramic silicon rubber, ceramic silicon rubber has good insulating properties, if the outside insulating layer of cable core takes place the damage, also can not cause the influence to adjacent cable core, guaranteed mineral insulated cable's normal use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the wire support body of the present invention;
fig. 3 is the structure schematic diagram of the inner sheath layer and the corrugated aluminum alloy layer of the present invention.
In the figure: 1. a copper conductor; 2. an insulating layer; 3. a wire support; 301. an inner support layer; 302. an outer support layer; 303. a connecting plate; 4. a cavity; 5. a filler; 6. a shielding layer; 7. wrapping a belt layer; 8. an inner jacket layer; 801. a convex ring; 9. a corrugated aluminum alloy layer; 10. an outer jacket layer; 11. mica tape layer.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" 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," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1-3, a mica tape mineral insulation corrugated aluminum alloy sheath cable includes a plurality of copper conductors 1 and a wire support body 3, the wire support body 3 is cylindrical, the copper conductors 1 are twisted together two by two, an insulation layer 2 is coated outside the copper conductors 1, a mica tape layer 11 is coated outside the insulation layer 2, the mica tape layer 11 has good high temperature resistance, combustion resistance and insulation properties, the wire support body 3 is made of ceramic silicon rubber, the ceramic silicon rubber has good insulation properties, the wire support body 3 includes an inner support layer 301 and an outer support layer 302, 6 connecting plates 303 are integrally formed between the inner support layer 301 and the outer support layer 302, the inside of the wire support body 3 is divided into 7 cavities 4 by the inner support layer 301, the outer support layer 302 and the connecting plates 303, the copper conductors 1 are arranged inside the 7 cavities 4, and respectively add 6 cavities 4 between the inner support layer 301 and the outer support layer 302 Shape cavity 4, be provided with filler 5 in the gap between wire supporter 3 and the mica tape layer 11, the outside cladding of outer supporting layer 302 has shielding layer 6, the outside cladding of shielding layer 6 has around belting layer 7, the outside cladding around belting layer 7 has inner sheath layer 8, the material of inner sheath layer 8 is pottery low smoke and zero halogen polyolefin, pottery low smoke and zero halogen polyolefin has good refractiveness, the fixed a plurality of bulge loops 801 that are provided with in outer side of inner sheath layer 8, the outside cladding of inner sheath layer 8 has ripple aluminum alloy layer 9, the outside cladding of ripple aluminum alloy layer 9 has outer sheath layer 10.
Referring to fig. 1, a copper conductor 1 is made of an annealed copper wire, and a tin plating layer having a thickness of 1mm is provided on an outer side of the copper wire.
Referring to fig. 1, the insulating layer 2 is extruded from a polyethylene material.
Referring to fig. 1, the filler 5 is made of ceramic fiber wool.
Referring to fig. 1, the shielding layer 6 is formed by weaving copper wires, wherein the weaving coverage rate of the shielding layer 6 is not less than 85% so as to ensure the shielding effect of the shielding layer 6.
Referring to fig. 1, the wrapping tape layer 7 is made of a glass fiber tape.
Referring to fig. 1 and 3, the outer diameter of the convex ring 801 is smaller than the inner diameter of the convex part of the corrugated aluminum alloy layer 9, the convex rings 801 are uniformly distributed in the axial direction of the inner sheath layer 8, the number of the convex rings 801 can be increased according to actual use conditions, and the strength and the extrusion resistance of the corrugated aluminum alloy layer 9 can be further improved.
Referring to fig. 1, the outer sheath layer 10 is made of a silicon rubber material.
The utility model discloses when using, through the outside cladding at mineral insulated cable have corrugated aluminum alloy layer 9, because corrugated aluminum alloy layer 9 has good shape of can buckling, make mineral insulated cable easily bare-handed bending when the wiring, be provided with inner sheath layer 8 in mineral insulated cable's inside is fixed simultaneously, the ceramic low smoke and zero halogen polyolefin of material of inner sheath layer 8, make mineral insulated cable have good refractiveness, the fixed a plurality of bulge loops 801 that are provided with in the outside of inner sheath layer 8, after the bulge loops 801 card is gone into to corrugated aluminum alloy layer 9's arch inside, can play certain support and fixed action to corrugated aluminum alloy layer 9, the intensity and the stability of corrugated aluminum alloy layer 9 have been improved; through having seted up a plurality of cavities 4 in wire supporter 3's inside, place copper conductor 1 after each solitary cavity 4 is inside, can avoid many cable core direct contact, because wire supporter 3 has good insulating properties, if the outside insulating layer 2 of cable core takes place the damage, also can not lead to the fact the influence to adjacent cable core, mineral insulated cable's normal use has been guaranteed, mica tape layer 11 has good high temperature resistant and resistant burning's characteristic simultaneously, prevent that external high temperature from influencing mineral insulated cable's normal work.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a mica tape mineral insulation ripple aluminum alloy sheath cable, includes several copper conductor (1) and wire supporter (3), its characterized in that: the copper conductors (1) are mutually twisted in pairs, the outer side of each copper conductor (1) is coated with an insulating layer (2), the outer side of each insulating layer (2) is coated with a mica tape layer (11), the wire support body (3) is made of ceramic silicon rubber, the wire support body (3) comprises an inner support layer (301) and an outer support layer (302), a plurality of connecting plates (303) are integrally formed between the inner support layer (301) and the outer support layer (302), the inner part of the wire support body (3) is divided into a plurality of cavities (4) by the inner support layer (301), the outer support layer (302) and the connecting plates (303), the copper conductors (1) are arranged in the plurality of cavities (4), and a filler (5) is arranged in a gap between the wire support body (3) and the mica tape layer (11), the outside cladding of outer supporting layer (302) has shielding layer (6), the outside cladding of shielding layer (6) has around belting layer (7), the outside cladding around belting layer (7) has inner sheath layer (8), the material of inner sheath layer (8) is pottery low smoke and zero halogen polyolefin, the outside of inner sheath layer (8) is fixed and is provided with a plurality of bulge loops (801), the outside cladding of inner sheath layer (8) has ripple aluminum alloy layer (9), the outside cladding of ripple aluminum alloy layer (9) has outer sheath layer (10).
2. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the copper conductor is made of an annealed copper wire, a tinned layer is arranged on the outer side of the copper wire, and the thickness of the tinned layer is 1 mm.
3. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the insulating layer (2) is formed by extruding and wrapping polyethylene materials.
4. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the filler (5) is made of ceramic fiber cotton.
5. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the shielding layer (6) is formed by weaving copper wires.
6. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the wrapping band layer (7) is made of glass fiber bands.
7. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the outer diameter of the convex ring (801) is smaller than the inner diameter of the protruding part of the corrugated aluminum alloy layer (9), and the convex ring (801) is uniformly distributed in the axial direction of the inner sheath layer (8).
8. The mica tape mineral insulation corrugated aluminum alloy sheath cable according to claim 1, characterized in that: the outer sheath layer (10) is made of a silicon rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150440.2U CN212208954U (en) | 2020-06-19 | 2020-06-19 | Mica tape mineral insulation corrugated aluminum alloy sheath cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021150440.2U CN212208954U (en) | 2020-06-19 | 2020-06-19 | Mica tape mineral insulation corrugated aluminum alloy sheath cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212208954U true CN212208954U (en) | 2020-12-22 |
Family
ID=73807631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021150440.2U Expired - Fee Related CN212208954U (en) | 2020-06-19 | 2020-06-19 | Mica tape mineral insulation corrugated aluminum alloy sheath cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212208954U (en) |
-
2020
- 2020-06-19 CN CN202021150440.2U patent/CN212208954U/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: 20201222 |