CN220400288U - Corrugated stainless steel sheath mineral insulation fireproof cable - Google Patents
Corrugated stainless steel sheath mineral insulation fireproof cable Download PDFInfo
- Publication number
- CN220400288U CN220400288U CN202321996511.4U CN202321996511U CN220400288U CN 220400288 U CN220400288 U CN 220400288U CN 202321996511 U CN202321996511 U CN 202321996511U CN 220400288 U CN220400288 U CN 220400288U
- Authority
- CN
- China
- Prior art keywords
- sheath
- sleeve
- stainless steel
- corrugated stainless
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009413 insulation Methods 0.000 title claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 20
- 239000011707 mineral Substances 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 19
- 239000010935 stainless steel Substances 0.000 title claims abstract description 19
- 238000000576 coating method Methods 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 9
- 238000005260 corrosion Methods 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 32
- 229910052802 copper Inorganic materials 0.000 claims description 32
- 239000010949 copper Substances 0.000 claims description 32
- 238000006116 polymerization reaction Methods 0.000 claims description 14
- 239000004020 conductor Substances 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- 239000004964 aerogel Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 20
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 230000009970 fire resistant effect Effects 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 description 8
- 230000002265 prevention Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 241000510672 Cuminum Species 0.000 description 1
- 235000007129 Cuminum cyminum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a corrugated stainless steel sheath mineral insulation fireproof cable, which relates to the technical field of cables, and aims at the problems that the prior art is unstable in safety reliability, high in breakdown rate, poor in flexibility and inconvenient to install, cannot be used in places with high safety requirements and fire-resistant temperature, and comprises an outer protection component, an inner protection component and a communication component, wherein the outer protection component comprises an outer sheath and a heat insulation sleeve arranged on the inner side of the outer sheath. According to the utility model, the fireproof coating is sprayed on the outer wall of the outer sheath through the outer sheath, so that the fireproof performance of the outer sheath is greatly improved, the cable is enabled to obtain reliable fireproof performance, the heat insulation sleeve and the anti-corrosion coating sprayed on the inner wall of the heat insulation sleeve resist external high temperature, the anti-corrosion coating is not easy to damage, and the buffer isolation sleeve is arranged to buffer external impact force.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a corrugated stainless steel sheath mineral insulation fireproof cable.
Background
The electricity safety is a worldwide problem, and particularly when a fire accident happens, the people are ensured to escape safely by leaving enough time, so that the accident loss is reduced; the safe power-on of the circuit is ensured, the signal is smooth, and the important effect is played; in addition, how to improve the fireproof safety level of key engineering, important places, special fields and the like is pursued by the cumin of the cable industry.
At present, the fireproof cable produced at home and abroad mainly has the following structure: one is an MI type mineral insulated cable invented in the 90 th century, and the other is a fire-resistant mica wrapping high polymer insulating material wrapping fire-resistant cable; and the other is a fireproof aluminum pipe isolation sleeve type fireproof cable.
The main problems of the existing cable are as follows:
although the NH type fireproof cable has simple process and lower cost, the safety and reliability under flame at 750-800 ℃ are not stable enough, the breakdown rate is very high, the NH type fireproof cable cannot be used in places with higher safety requirements, and the melting point of aluminum is only 660 ℃ by adopting an aluminum sleeve, so that the fireproof temperature cannot be too high, the flexibility is poor, and the installation is inconvenient.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the corrugated stainless steel sheath mineral insulation fireproof cable, which overcomes the defects of the prior art, and effectively solves the problems of unstable safety and reliability, high breakdown rate, incapability of being used in places with higher safety requirements, incapability of being too high in fire resistance temperature, poor flexibility and inconvenient installation in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a corrugated stainless steel sheath mineral substance insulation fireproof cable, includes outer protection component, interior protection component and communication subassembly, outer protection component includes the oversheath and sets up in the inboard insulating sheath of oversheath, and interior protection component includes the copper sheath and cup joints the buffering spacer in the copper sheath, communication subassembly includes insulating sheath, equidistance grafting in the inside polymerization cover of insulating sheath and peg graft the copper conductor in the polymerization cover.
Through the oversheath and at the outer wall spraying fire prevention coating of oversheath, and then make the fire prevention performance of oversheath obtain improving greatly, make the cable obtain reliable fire prevention performance from this, through the insulating sheath that sets up and the anticorrosive coating of spraying in the insulating sheath inner wall, resist external high temperature through the insulating sheath, make anticorrosive coating be difficult for receiving the damage, and can cushion external impact through the buffering spacer that sets up, can effectively resist the outside striking that the cable received, thereby keep the integrality of cable, make the cable still can keep normal work under adverse circumstances.
Preferably, fireproof coatings are sprayed on the peripheral outer walls of the outer sheath, and viscose is sprayed on the peripheral inner walls of the outer sheath.
The fireproof coating is sprayed outside the outer sheath, so that the fireproof performance of the outer sheath is greatly improved, and the cable is enabled to have reliable fireproof performance.
Preferably, the heat insulation sleeve is of a sandwich structure, an aerogel felt is arranged in the sandwich structure, and anti-corrosion coatings are sprayed on the inner walls around the heat insulation sleeve.
Through the insulating sheath that sets up and the anticorrosive coating of spraying in the insulating sheath inner wall, resist external high temperature through the insulating sheath, make anticorrosive coating be difficult for receiving the damage.
Preferably, the copper sheath is of a spiral structure, and the outer wall of the copper sheath is in threaded connection with the inner wall of the heat insulation sleeve.
The copper sheath with the spiral structure is in threaded connection with the heat insulation sleeve, so that the copper sheath and the heat insulation sleeve can be tightly connected and are not easy to fall off.
Preferably, the material of the buffer isolation sleeve is soft rubber, and the outer wall of the buffer isolation sleeve is adhered to the inner wall of the copper sheath.
The buffer isolation sleeve can buffer the external impact force, and can effectively resist the external impact suffered by the cable, so that the integrity of the cable is maintained.
Preferably, the insulating sleeve is made of hard rubber, and the outer wall of the insulating sleeve is adhered to the inner wall of the buffer isolation sleeve.
The insulation sleeve improves the electric breakdown resistance of the cable.
Preferably, through holes which penetrate through the other end and are distributed at equal intervals are formed in one end of the insulating sleeve, and the through holes are matched with the polymeric sleeve.
By inserting the polymeric sleeves into the through holes, the polymeric sleeves do not interfere with each other.
Preferably, the polymeric sleeve is an insulated plastic rubber tube, and a plurality of copper conductors which are mutually wound are wrapped in the polymeric sleeve.
The copper conductor is wrapped by the polymeric sleeve, so that the copper conductor can be conveniently and separately wrapped.
The working principle of the utility model has the following beneficial effects:
through the oversheath and at the outer wall spraying fire prevention coating of oversheath, and then make the fire prevention performance of oversheath obtain improving greatly, make the cable obtain reliable fire prevention performance from this, through the insulating sheath that sets up and the anticorrosive coating of spraying in the insulating sheath inner wall, resist external high temperature through the insulating sheath, make anticorrosive coating be difficult for receiving the damage, and can cushion external impact through the buffering spacer that sets up, can effectively resist the outside striking that the cable received, thereby keep the integrality of cable, make the cable still can keep normal work under adverse circumstances.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic diagram of the overall structure of a corrugated stainless steel sheath mineral insulation fireproof cable according to the present utility model;
fig. 2 is a schematic diagram of an outer protective component of a corrugated stainless steel sheath mineral insulated fireproof cable according to the present utility model;
FIG. 3 is a schematic view of an inner protective component of a corrugated stainless steel sheath mineral insulated fireproof cable according to the present utility model;
fig. 4 is a schematic diagram of a communication assembly of a corrugated stainless steel sheath mineral insulated fireproof cable according to the present utility model.
In the figure: 1. an outer protective component; 2. a fireproof coating; 3. an outer sheath; 4. a heat insulating sleeve; 5. an anti-corrosion coating; 6. an inner protective component; 7. a copper sheath; 8. a buffer isolation sleeve; 9. a communication component; 10. an insulating sleeve; 11. a polymerization sleeve; 12. a copper conductor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples:
referring to fig. 1-4, a corrugated stainless steel jacketed mineral insulated fireproof cable includes an outer shield assembly 1, an inner shield assembly 6, and a communication assembly 9;
the outer protection component 1 comprises an outer sheath 3 and a heat insulation sleeve 4 arranged on the inner side of the outer sheath 3, wherein fireproof coatings 2 are sprayed on the outer walls around the outer sheath 3, viscose is sprayed on the inner walls around the outer sheath 3, and the fireproof performance of the outer sheath 3 is greatly improved by spraying the fireproof coatings 2 on the outer side of the outer sheath 3, so that a cable has reliable fireproof performance, the heat insulation sleeve 4 is of a sandwich structure, an aerogel felt is arranged in the sandwich structure, an anti-corrosion coating 5 is sprayed on the inner walls around the heat insulation sleeve 4, and the anti-corrosion coating 5 is not easy to damage by the heat insulation sleeve 4 and the anti-corrosion coating 5 sprayed on the inner walls of the heat insulation sleeve 4;
the inner protection component 6 comprises a copper sheath 7 and a buffer isolation sleeve 8 sleeved in the copper sheath 7, the copper sheath 7 is of a spiral structure, the outer wall of the copper sheath 7 is in threaded connection with the inner wall of the heat insulation sleeve 4, the copper sheath 7 of the spiral structure is in threaded connection with the heat insulation sleeve 4, the copper sheath 7 and the heat insulation sleeve 4 can be tightly connected and are not easy to fall off, the buffer isolation sleeve 8 is made of soft rubber, the outer wall of the buffer isolation sleeve 8 is adhered with the inner wall of the copper sheath 7, the buffer isolation sleeve 8 can buffer the external impact force, the external impact suffered by a cable can be effectively resisted, and the integrity of the cable is maintained;
the communication assembly 9 comprises an insulating sleeve 10, a polymerization sleeve 11 and copper conductors 12, wherein the polymerization sleeve 11 is inserted into the insulating sleeve 10 at equal intervals, the copper conductors 12 are inserted into the polymerization sleeve 11, the insulating sleeve 10 is made of hard rubber, the outer wall of the insulating sleeve 10 is adhered to the inner wall of the buffer isolation sleeve 8, the insulating sleeve 10 is used for improving the electric breakdown resistance of a cable, one end of the insulating sleeve 10 is provided with through holes penetrating through the other end and distributed at equal intervals, the through holes are matched with the polymerization sleeve 11, the polymerization sleeves 11 are inserted into the through holes, the polymerization sleeves 11 are not interfered with each other, the polymerization sleeves 11 are insulated plastic leather tubes, the polymerization sleeves 11 are internally wrapped with a plurality of copper conductors 12 which are mutually wound, and the polymerization sleeves 11 are used for wrapping the copper conductors 12 so as to separate and wrap the copper conductors 12.
During operation, through oversheath 3 and at oversheath 3's outer wall spraying fire prevention coating 2, and then make oversheath 3's fire behavior obtain improving greatly, thereby make the cable obtain reliable fire behavior, through the insulating sheath 4 of setting and the anticorrosive coating 5 of spraying in insulating sheath 4 inner wall, resist external high temperature through insulating sheath 4, make anticorrosive coating 5 be difficult for receiving the damage, and can cushion external impact through the buffering spacer 8 of setting, can effectively resist the outside striking that the cable received, thereby keep the integrality of cable, make the cable still can keep normal work under the adverse circumstances.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a corrugated stainless steel sheath mineral substance insulation fireproof cable, includes outer protection component (1), interior protection component (6) and communication subassembly (9), its characterized in that, outer protection component (1) include oversheath (3) and set up in oversheath (4) of oversheath (3) inboard, and interior protection component (6) include copper sheath (7) and cup joint buffering spacer (8) in copper sheath (7), communication subassembly (9) include insulating cover (10), equidistance peg graft in inside polymerization cover (11) of insulating cover (10) and peg graft copper conductor (12) in polymerization cover (11).
2. The corrugated stainless steel sheath mineral insulated fireproof cable according to claim 1, wherein fireproof coatings (2) are sprayed on the peripheral outer walls of the outer sheath (3), and viscose is sprayed on the peripheral inner walls of the outer sheath (3).
3. The corrugated stainless steel sheath mineral insulation fireproof cable according to claim 1, wherein the heat insulation sleeve (4) is of a sandwich structure, an aerogel felt is arranged in the sandwich structure, and anti-corrosion coatings (5) are sprayed on the inner walls of the periphery of the heat insulation sleeve (4).
4. The corrugated stainless steel sheath mineral insulated fireproof cable according to claim 1, wherein the copper sheath (7) has a spiral structure, and the outer wall of the copper sheath (7) is in threaded connection with the inner wall of the heat insulation sleeve (4).
5. The corrugated stainless steel sheath mineral insulation fireproof cable according to claim 1, wherein the material of the buffer isolation sleeve (8) is soft rubber, and the outer wall of the buffer isolation sleeve (8) is bonded with the inner wall of the copper sheath (7).
6. The corrugated stainless steel sheath mineral insulated fireproof cable according to claim 1, wherein the insulating sleeve (10) is made of hard rubber, and the outer wall of the insulating sleeve (10) is bonded with the inner wall of the buffer isolation sleeve (8).
7. The corrugated stainless steel sheath mineral insulated fireproof cable according to claim 1, wherein one end of the insulating sleeve (10) is provided with through holes which penetrate through the other end and are distributed equidistantly, and the through holes are matched with the polymeric sleeve (11).
8. The corrugated stainless steel sheath mineral insulated fireproof cable according to claim 1, wherein the polymeric sheath (11) is an insulated plastic rubber tube, and a plurality of intertwined copper conductors (12) are wrapped in the polymeric sheath (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321996511.4U CN220400288U (en) | 2023-07-27 | 2023-07-27 | Corrugated stainless steel sheath mineral insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321996511.4U CN220400288U (en) | 2023-07-27 | 2023-07-27 | Corrugated stainless steel sheath mineral insulation fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220400288U true CN220400288U (en) | 2024-01-26 |
Family
ID=89612889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321996511.4U Active CN220400288U (en) | 2023-07-27 | 2023-07-27 | Corrugated stainless steel sheath mineral insulation fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220400288U (en) |
-
2023
- 2023-07-27 CN CN202321996511.4U patent/CN220400288U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |