CN213958655U - Isolated form mineral insulated wire - Google Patents
Isolated form mineral insulated wire Download PDFInfo
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- CN213958655U CN213958655U CN202022977885.4U CN202022977885U CN213958655U CN 213958655 U CN213958655 U CN 213958655U CN 202022977885 U CN202022977885 U CN 202022977885U CN 213958655 U CN213958655 U CN 213958655U
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- layer
- sheath
- insulated wire
- mineral insulated
- electric wire
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 29
- 239000011707 mineral Substances 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 145
- 239000004020 conductor Substances 0.000 claims abstract description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 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 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 13
- 238000005728 strengthening Methods 0.000 claims description 12
- 239000000919 ceramic Substances 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 239000002861 polymer material Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009970 fire resistant effect Effects 0.000 description 14
- 230000002093 peripheral effect Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000002195 synergetic effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to an isolated form mineral insulated wire, it includes the electric wire body, the electric wire body includes a plurality of conductors, a plurality of conductors are the array along the axis of electric wire body and arrange, the periphery parcel of conductor has the insulating layer, the outside parcel of insulating layer has the protective layer, the outside parcel of protective layer has the shielding layer, the outside parcel of shielding layer has the anticorrosive coating, the anticorrosive coating parcel has the waterproof layer outward, waterproof layer outside parcel has plastics reinforcing sheath layer, the outside of plastics reinforcing sheath layer is provided with the aluminum pipe sheath, the outside setting of a plurality of plastics reinforcing sheath layers is in same aluminum pipe sheath, be provided with the filling layer between aluminum pipe sheath and the plastics reinforcing sheath layer, the outside parcel of aluminum pipe sheath has the expansion flame retardant coating, the outside parcel of expansion flame retardant coating has the isolation layer, the outside parcel of isolation layer has the flame retardant coating, the outside parcel of flame retardant coating has halogen-free low smoke sheath layer. This application has the effect that promotes the safe handling performance of electric wire.
Description
Technical Field
The application relates to the technical field of power transmission, in particular to an isolated mineral insulated wire.
Background
The electric wire is a common necessity in daily life, the low-voltage electric wire is simple in structure, composed of conductors and insulation and used for transmitting electric energy, the electric wire is mainly used for household and low-voltage distribution lines, and the electric wire is good in flexibility and convenient to move, install and lay.
The electric wire has a protective layer with various structures to protect the insulating layer, and meets the requirements of various laying environments (underground, underwater and ditch pipe tunnels). But because its structure is too simple, there is not any protective layer outside the insulating for the security of electric wire operation is low, and life is short.
SUMMERY OF THE UTILITY MODEL
In order to improve the safety use performance of the wire, the application provides an isolated mineral insulated wire.
The application provides an isolated form mineral insulated wire adopts following technical scheme:
an isolated mineral insulated wire comprises a wire body, wherein the wire body comprises a plurality of conductors, the conductors are arranged in an array along the axis of the wire body, an insulating layer is wrapped on the periphery of the conductors, a protective layer is wrapped on the outer side of the insulating layer, a shielding layer is wrapped on the outer side of the protective layer, an anticorrosive layer is wrapped on the outer side of the shielding layer, a waterproof layer is wrapped on the outer side of the anticorrosive layer, a plastic reinforced sheath layer is wrapped on the outer side of the waterproof layer, an aluminum pipe sheath is arranged on the outer side of the plastic reinforced sheath layer, the outer sides of the plastic reinforced sheath layers are arranged in the same aluminum pipe sheath, a filling layer is arranged between the aluminum pipe sheath and the plastic reinforced sheath layer, an expansion fire-resistant layer is wrapped on the outer side of the aluminum pipe sheath, an isolating layer is wrapped on the outer side of the expansion fire-resistant layer, and a fire-resistant layer is wrapped on the outer side of the isolating layer, the outside parcel of flame retardant coating has low smoke and zero halogen restrictive coating.
By adopting the technical scheme, the insulating layer can ensure that the adjacent conductors can normally transmit electric power, and the shielding layer can reduce the possibility of generating electromagnetic interference between the wires; the arrangement of the anticorrosive layer and the waterproof layer can improve the anticorrosive and waterproof performances of the wire body, so that the wire body has better stability in a severe acid-base environment, and the wire body is effectively protected; the plastic reinforced sheath layer has stronger weather resistance, and can prolong the service life of the wire body; the aluminum pipe sheath is an aluminum soft sheath, and has the characteristics of good mechanical impact resistance, flexible bending and the like after being processed by a special process, so that the bearing capacity of the electric wire body to mechanical impact is improved on the basis of better flexibility; the filling layer can stably support the conductor in the aluminum tube sheath; the expansion fire-resistant layer can absorb heat to expand when meeting high-temperature environments such as fire and the like, so that a good heat source isolation effect is achieved on the conductor in the wire body, the conductor can normally work under the condition of fire, and a certain time is strived for the development of rescue work; the isolation layer can play a certain role in protecting the expansion fire-resistant layer, meanwhile, the fire resistance of the cable body can be enhanced, and the possibility of oxidation failure of the expansion fire-resistant layer when encountering air is reduced; the low-smoke halogen-free sheath layer does not release halogen-containing gas under the condition of combustion, the concentration of smoke generated by the sheath layer is low, and then the subsequent rescue work after a fire disaster happens is facilitated. Through the synergistic effect of a plurality of structural layers for the electric wire has splendid fire prevention, waterproof and corrosion protection performance, makes the suitability of electric wire wider, and then promotes the safety in service performance of electric wire, prolongs the life of electric wire.
Preferably, the axis department of electric wire body be provided with a plurality of spacing strengthening ribs of conductor one-to-one, spacing strengthening rib is the arc rectangular, and the protruding axis department towards the cable body of arc of spacing strengthening rib, the plastics reinforcing sheath layer of conductor outside is located the arc depressed part of spacing strengthening rib.
Through adopting above-mentioned technical scheme, the setting of spacing strengthening rib can make and have certain interval between the adjacent wire, makes simultaneously that the conductor can be stable fix inside the filling layer of cable body, and then at the laying process of electric wire body, reduces because of the slip between the conductor bad possibility of producing the damage.
Preferably, the insulating layer is made of mica.
By adopting the technical scheme, the mica not only has good insulativity and high temperature resistance, but also has stable physical and chemical properties, and ensures that the insulating layer can well protect the conductor when the conductor is conductive.
Preferably, the protective layer is made of polyurethane polymer material.
By adopting the technical scheme, the polyurethane polymer material is softer, the abrasion of the shielding layer to the insulating layer can be reduced, and meanwhile, the polyurethane polymer material has good insulating property, corona resistance and arc resistance, so that the electric insulating property of the wire body can be kept stable when the temperature and the frequency change or the wire body is affected by tide, and the polyurethane polymer material also has good insulating property, and can further improve the safe operation performance of the conductor.
Preferably, the shielding layer is formed by weaving tinned copper wires.
By adopting the technical scheme, the mutual interference between the conductors can be reduced, and the capability of the cable body for resisting the external interference is enhanced.
Preferably, the anticorrosive layer is made of ceramic silicon rubber material.
By adopting the technical scheme, the ceramic silicon rubber material has better torsion resistance, corrosion resistance and high temperature resistance, improves the elastic strength of the cable, prevents the cable from being broken due to stronger external force, has excellent fireproof, fire-retardant, low-smoke and non-toxic properties, and simultaneously has no melting and dripping of the hard shell in the environment of 600 plus materials in fire at 1300 ℃ because the residue after combustion is the ceramic hard shell, thereby ensuring the smooth circuit in the case of fire and playing a firm protection role.
Preferably, the waterproof layer is made of polyethylene.
By adopting the technical scheme, the polyethylene material has stronger impermeability, good waterproof performance, stronger high temperature and low temperature resistance, better strength and expansion rate, and the characteristic of one aging resistance, can effectively prevent external water from entering the conductor, and further reduce the possibility that the conductor unit is contacted with water and further damaged.
Preferably, the filling layer is made of inorganic insulating fibers or inorganic mineral insulators.
By adopting the technical scheme, the inorganic insulating fiber or the inorganic mineral insulator not only has better insulating property, but also can effectively reduce the hidden danger of fire caused by local overheating of the conductor in work, and can fix the position of the conductor.
Preferably, the barrier layer is made of a Mg (OH)2 or Al (OH)2 mineral material.
Through adopting above-mentioned technical scheme, strengthen high temperature resistant, the fire behavior of electric wire body.
Preferably, the low-smoke halogen-free sheath layer is made of polyolefin materials.
Through adopting above-mentioned technical scheme, polyolefin has characteristics such as relative density is little, chemical resistance nature, water proofness are good, and can prevent that external environment from interfering with the inside conductor of electric wire body to make the electric wire body have good mechanical strength and electrical insulation, play the effect of protection inner layer structure. Meanwhile, when a fire disaster happens, the thermal deformation condition of the product when the electric wire is subjected to high temperature can be effectively avoided, and the normal operation of the electric equipment can be ensured when the fire disaster happens, so that the safety of rescue workers is ensured.
To sum up, the application comprises the following beneficial technical effects:
1. through the synergistic effect of the plurality of structural layers, the electric wire has excellent fireproof, waterproof and anticorrosion performances, so that the electric wire is wide in applicability, the safety use performance of the electric wire is further improved, and the service life of the electric wire is prolonged;
2. the isolation layer can play a certain role in protecting the expansion fire-resistant layer, meanwhile, the fire resistance of the cable body can be enhanced, and the possibility of oxidation failure of the expansion fire-resistant layer when encountering air is reduced;
3. the filling layer is made of inorganic insulating fibers or inorganic mineral insulators, the inorganic insulating fibers or the inorganic mineral insulators have better insulating performance, the hidden danger of fire caused by local overheating of the conductor in work can be effectively reduced, and the position of the conductor can be fixed.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
In the figure, 1, a wire body; 11. reinforcing ribs; 12. a conductor; 13. an insulating layer; 14. a protective layer; 15. a shielding layer; 16. an anticorrosive layer; 17. a waterproof layer; 18. a plastic reinforced jacket layer; 2. an aluminum pipe sheath; 3. a filling layer; 4. an expanding refractory layer; 5. an isolation layer; 6. a refractory layer; 7. low smoke zero halogen sheath layer.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Referring to fig. 1, an isolated mineral insulated wire is disclosed for an application embodiment, which includes a wire body 1, the wire body 1 includes four limiting reinforcing ribs 11, four conductors 12 respectively disposed outside the four limiting reinforcing ribs 11, insulating layers 13 respectively compounded on the outer peripheral surfaces of the conductors 12, a protective layer 14 wrapped on the outer peripheral surface of the insulating layer 13, a shielding layer 15 wrapped on the outer peripheral surface of the protective layer 14, an anti-corrosion layer 16 wrapped on the outer side of the shielding layer 15, a waterproof layer 17 wrapped on the outer peripheral surface of the anti-corrosion layer 16, a plastic reinforced sheath layer 18 wrapped on the outer peripheral surface of the waterproof layer 17, an aluminum pipe sheath 2 for wrapping the four plastic reinforced sheath layers 18, a filling layer 3 for filling a gap between the aluminum pipe sheath 2 and the plastic reinforced sheath layer 18, an expanded fire-resistant layer 64 wrapped on the outer peripheral surface of the aluminum pipe sheath 2, an isolating layer 5 wrapped on the outer peripheral surface of the expanded fire-resistant layer 64, a sealing layer 5, A flame retardant coating 6 wrapped on the peripheral surface of the isolation layer 5 and a low smoke zero halogen sheath layer 7 wrapped on the peripheral surface of the flame retardant coating 6.
Referring to fig. 1, the limiting reinforcing ribs 11 are arc-shaped long strips, arc-shaped protrusions of the limiting reinforcing ribs 11 face to the central axis of the cable body, and the cross section formed by connecting the four limiting reinforcing ribs 11 end to end is in a quadrangle star shape; the plastics reinforcing sheath layer 18 in the conductor 12 outside is located the arc depressed part of spacing strengthening rib 11, and have certain interval between plastics reinforcing sheath layer 18 and the spacing strengthening rib 11, four conductors 12 are the array along the axis of electric wire body 1 promptly and arrange, spacing strengthening rib 11 can make and have certain interval between the adjacent wire, make simultaneously that conductor 12 can be stable fix inside the filling layer 3 of cable body, and then at the laying process of electric wire body 1, reduce because of the slip between conductor 12 bad possibility of damaging.
The insulating layer 13 is made of mica, and mica not only has good insulating property and high temperature resistance, but also has stable physical and chemical properties, so that when the conductor 12 is conductive, the insulating layer 13 can well protect the conductor 12. The protective layer 14 is made of polyurethane polymer material, the polyurethane polymer material is soft, abrasion of the shielding layer 15 to the insulating layer 13 can be reduced, and meanwhile, the protective layer has good insulating performance, corona resistance and arc resistance, the electric insulating performance of the electric wire body 1 can be kept stable when temperature and frequency change or tide, and the protective layer also has good insulating property, so that the safe operation performance of the conductor 12 can be further improved. The shielding layer 15 is formed by weaving tinned copper wires, the shielding layer 15 reduces mutual interference between the conductors 12, and the capability of the cable body for resisting external interference is enhanced. The anti-corrosion layer 16 is made of ceramic silicon rubber material, the ceramic silicon rubber material has good torsion resistance, corrosion resistance and high temperature resistance, the elastic strength of the cable is improved, the cable is prevented from being broken due to strong external force, the ceramic silicon rubber material has good fireproof, flame-retardant, low-smoke and non-toxic performances, and meanwhile, as the residue after combustion is a ceramic hard shell, the hard shell is not melted and does not drop in the environment of 600 plus 1300 ℃ of fire, the smooth line is ensured under the condition of the fire, and the firm protection effect is achieved. The waterproof layer 17 is made of polyethylene, and the polyethylene has strong impermeability, good waterproof performance, strong high temperature and low temperature resistance, good strength and expansion rate, and good aging resistance, and can effectively prevent external water from entering the conductor 12, thereby reducing the possibility that the conductor 12 unit is contacted with water and further damaged. The plastic reinforced sheath layer 18 is made of a high polymer material, has high weather resistance, and can prolong the service life of the electric wire body 1.
The filling layer 3 is made of inorganic insulating fiber or inorganic mineral insulator, preferably mica in this embodiment, and the inorganic insulating fiber or inorganic mineral insulator not only has better insulating performance, but also can effectively reduce the fire hazard caused by local overheating of the conductor 12 in operation, and can fix the position of the conductor 12. The aluminum pipe sheath 2 is made of a corrugated aluminum pipe, the corrugated aluminum pipe is an aluminum flexible sheath, and the aluminum flexible sheath is processed by a special process, so that the aluminum flexible sheath has the characteristics of good mechanical impact resistance, flexible bending and the like, and further the bearing capacity of the aluminum flexible sheath to mechanical impact is improved on the basis that the electric wire body 1 has good flexible performance. The expansion fire-resistant layer 64 is foamed and solidified under the attack of flame to form a thick barrier to prevent the flame from directly jetting the aluminum pipe sheath 2, so that the conductor 12 can normally run within a certain time when a fire occurs. The isolation layer 5 is made of Mg (OH)2 or Al (OH)2 mineral material, and is used for enhancing the high-temperature resistance and the fire resistance of the wire body 1. The low-smoke halogen-free sheath layer 7 is made of polyolefin, the polyolefin has the characteristics of small relative density, chemical resistance, good water resistance and the like, and can prevent the interference of the external environment and the conductor 12 inside the electric wire body 1, so that the electric wire body 1 has good mechanical strength and electrical insulation property, and the effect of protecting the inner layer structure is achieved. Meanwhile, when a fire disaster happens, the thermal deformation condition of the product when the electric wire is subjected to high temperature can be effectively avoided, and the normal operation of the electric equipment can be ensured when the fire disaster happens, so that the safety of rescue workers is ensured.
The implementation principle of the isolated mineral insulated wire in the embodiment of the application is as follows: the insulating layer 13 can ensure normal power transmission between the adjacent conductors 12, and the shielding layer 15 can reduce the possibility of electromagnetic interference between the wires; the arrangement of the anticorrosive layer 16 and the waterproof layer 17 can improve the anticorrosive and waterproof performances of the wire body 1, so that the wire body 1 has better stability in a severe acid-base environment, and the wire body 1 is effectively protected; the plastic reinforced sheath layer 18 has stronger weather resistance, and can prolong the service life of the wire body 1; the aluminum pipe sheath 2 is an aluminum soft sheath, and has the characteristics of good mechanical impact resistance, flexible bending and the like after being processed by a special process, so that the bearing capacity of the wire body 1 on mechanical impact is improved on the basis of better flexibility; the filling layer 3 can stably support the conductor 12 in the aluminum pipe sheath 2; the expansion fire-resistant layer 64 can absorb heat and expand when meeting high-temperature environments such as fire and the like, so that a good heat source isolation effect is achieved on the conductor 12 in the wire body 1, the conductor 12 can normally work under the condition of fire, and a certain time is strived for the development of rescue work; the isolation layer 5 can play a certain role in protecting the expansion fire-resistant layer 64, and meanwhile, the fire resistance of the cable body can be enhanced, so that the possibility of oxidation failure of the expansion fire-resistant layer 64 when encountering air is reduced; the low-smoke halogen-free sheath layer 7 does not release halogen-containing gas under the condition of combustion, the concentration of smoke generated by the low-smoke halogen-free sheath layer is low, and then the subsequent rescue work after a fire disaster happens is facilitated. Through the synergistic effect of a plurality of structural layers for the electric wire has splendid fire prevention, waterproof and corrosion protection performance, makes the suitability of electric wire wider, and then promotes the safety in service performance of electric wire, prolongs the life of electric wire.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An isolated mineral insulated wire, comprising a wire body (1), characterized in that: the electric wire body (1) comprises a plurality of conductors (12) and is arranged in an array mode along the axis of the electric wire body (1) in the conductor (12), an insulating layer (13) is wrapped on the periphery of the conductor (12), a protective layer (14) is wrapped on the outer side of the insulating layer (13), a shielding layer (15) is wrapped on the outer side of the protective layer (14), an anticorrosive layer (16) is wrapped on the outer side of the shielding layer (15), a waterproof layer (17) is wrapped on the outer side of the anticorrosive layer (16), a plastic reinforcing sheath layer (18) is wrapped on the outer side of the waterproof layer (17), an aluminum pipe sheath (2) is arranged on the outer side of the plastic reinforcing sheath layer (18), a plurality of outer sides of the plastic reinforcing sheath layer (18) are arranged in the same aluminum pipe sheath (2), and a filling layer (3) is arranged between the aluminum pipe sheath (2) and the plastic reinforcing sheath layer (18), the outside parcel of aluminum pipe sheath (2) has expansion flame retardant coating (6) (4), the outside parcel of expansion flame retardant coating (6) (4) has isolation layer (5), the outside parcel of isolation layer (5) has flame retardant coating (6), the outside parcel of flame retardant coating (6) has low smoke and zero halogen restrictive coating (7).
2. An isolated mineral insulated wire according to claim 1, wherein: the axis department of electric wire body (1) be provided with a plurality of spacing strengthening ribs (11) of conductor (12) one-to-one, spacing strengthening rib (11) are the arc rectangular, and the arc of spacing strengthening rib (11) is protruding towards the axis department of cable body, the plastics reinforcing sheath layer (18) of conductor (12) the outside are located the arc depressed part of spacing strengthening rib (11).
3. An isolated mineral insulated wire according to claim 1, wherein: the insulating layer (13) is made of mica.
4. An isolated mineral insulated wire according to claim 1, wherein: the protective layer (14) is made of polyurethane polymer material.
5. An isolated mineral insulated wire according to claim 1, wherein: the shielding layer (15) is formed by weaving tinned copper wires.
6. An isolated mineral insulated wire according to claim 1, wherein: the anti-corrosion layer (16) is made of ceramic silicon rubber materials.
7. An isolated mineral insulated wire according to claim 1, wherein: the waterproof layer (17) is made of polyethylene.
8. An isolated mineral insulated wire according to claim 1, wherein: the filling layer (3) is made of inorganic insulating fibers or inorganic mineral insulators.
9. An isolated mineral insulated wire according to claim 1, wherein: the isolating layer (5) is made of Mg (OH)2 or Al (OH)2 mineral material.
10. An isolated mineral insulated wire according to claim 1, wherein: the low-smoke halogen-free sheath layer (7) is made of polyolefin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022977885.4U CN213958655U (en) | 2020-12-09 | 2020-12-09 | Isolated form mineral insulated wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022977885.4U CN213958655U (en) | 2020-12-09 | 2020-12-09 | Isolated form mineral insulated wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213958655U true CN213958655U (en) | 2021-08-13 |
Family
ID=77216897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022977885.4U Expired - Fee Related CN213958655U (en) | 2020-12-09 | 2020-12-09 | Isolated form mineral insulated wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213958655U (en) |
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2020
- 2020-12-09 CN CN202022977885.4U patent/CN213958655U/en not_active Expired - Fee Related
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|---|---|---|---|
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Granted publication date: 20210813 |