CN117542564A - Explosion-proof flame-retardant computer cable for explosive places - Google Patents
Explosion-proof flame-retardant computer cable for explosive places Download PDFInfo
- Publication number
- CN117542564A CN117542564A CN202311783135.5A CN202311783135A CN117542564A CN 117542564 A CN117542564 A CN 117542564A CN 202311783135 A CN202311783135 A CN 202311783135A CN 117542564 A CN117542564 A CN 117542564A
- Authority
- CN
- China
- Prior art keywords
- cable
- layer
- explosion
- inner core
- retardant
- 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.)
- Pending
Links
- 239000003063 flame retardant Substances 0.000 title claims abstract description 25
- 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 title claims abstract description 22
- 239000002360 explosive Substances 0.000 title claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 75
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000011241 protective layer Substances 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 claims abstract description 11
- 229920002635 polyurethane Polymers 0.000 claims abstract description 6
- 239000004814 polyurethane Substances 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 229920006015 heat resistant resin Polymers 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 2
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 229920005989 resin Polymers 0.000 abstract description 3
- 239000011347 resin Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 3
- 239000013005 self healing agent Substances 0.000 description 3
- 239000000805 composite resin Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Abstract
The invention discloses an explosion-proof flame-retardant computer cable for an explosive place, which relates to the technical field of computer cables and comprises the following components: cable inner core, fire prevention restrictive coating, the cable inner core is provided with four, and one of them sets up in cable center department, and the other three is round the cable inner core evenly distributed who sets up in cable center department, the outside of cable inner core is provided with interior shielding layer, interior shielding layer includes protective layer, barrier layer, the protective layer is circular protrusion form, the barrier layer is connected two adjacent between the protective layer, the material of fire prevention restrictive coating is glass fiber and heat-resisting resin combined material, the fixed oversheath layer that is provided with in bottom of fire prevention restrictive coating, the oversheath layer is polyurethane sheath: the problems that the excessive number of the inner cores in the invention can cause the weight increase of the cable and the glass fiber rope to be in an environment with high physical abrasion or mechanical stress, and the materials can need additional protection or reinforcement are solved.
Description
Technical Field
The invention relates to the technical field of computer cables, in particular to an explosion-proof flame-retardant computer cable for an explosion-prone place.
Background
An explosion-proof flame-retardant computer cable for an explosive place is a cable specially designed for use in an inflammable and explosive environment. The cable has flame retardant property, namely, the cable can not continue burning under the condition of fire disaster or high temperature, and can effectively reduce the spread of fire disaster and potential safety hazard, and the explosion-proof flame-retardant computer cable is usually manufactured by adopting special flame retardant materials so as to ensure good flame retardant property under the high temperature environment. In addition, it has explosion-proof performance, i.e. in flammable and explosive gas or dust environment, the cable can be prevented from generating sparks or causing explosion.
The Chinese invention with publication number of CN109065221A proposes an explosion-proof flame-retardant computer cable for explosive places: five cable cores are arranged, any one of the five cable cores is arranged at the center of the cable, and the other four cable cores are uniformly distributed around the cable cores arranged at the center of the cable; the fireproof sheath layer is formed by weaving glass fiber ropes, and the glass fiber ropes have good heat resistance.
However, the above invention still has the following disadvantages:
1. while multiple cores may enhance signal transmission and provide redundancy, it may also result in increased cable diameter, thereby affecting cable flexibility and difficulty in installation, and excessive number of cores may result in increased cable weight.
2. Although glass fiber strands have good heat resistance and nonflammable properties, they may have limitations in terms of mechanical durability, and in environments where physical abrasion or mechanical stress is large, these materials may require additional protection or reinforcement.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes an explosion-proof flame-retardant computer cable for explosive places, which solves the problems that the excessive number of cores in the above-mentioned invention may cause an increase in weight of the cable, that although glass fiber ropes have good heat resistance and incombustibility characteristics, they may have a limitation in terms of mechanical durability, and that in environments where physical abrasion or mechanical stress is large, these materials may require additional protection or reinforcement.
To achieve the above object, the present invention provides an explosion-proof flame-retardant computer cable for an explosive place, comprising: the cable inner core, fire prevention restrictive coating, the cable inner core is provided with four, and one of them sets up in cable center department, and the other three is round the cable inner core evenly distributed who sets up in cable center department, the outside of cable inner core is provided with interior shielding layer, interior shielding layer includes protective layer, barrier layer, the protective layer is circular protrusion form, the barrier layer is connected between adjacent two between the protective layer, the material of fire prevention restrictive coating is glass fiber and heat-resisting resin combined material, the fixed oversheath layer that is provided with in bottom of fire prevention restrictive coating, the oversheath layer is the polyurethane sheath.
As a further scheme of the invention: the cable inner core comprises a cable core, an insulating layer is wrapped on the outer side of the cable core, the cable core is composed of a plurality of conductors and a plurality of insulating partition plates, the insulating partition plates are arranged between two adjacent conductors, and the insulating layer is attached to the insulating layer.
As a further scheme of the invention: the material of the barrier layer is a polymer self-healing material.
As a further scheme of the invention: and a flame retardant layer is arranged on the outer side of the inner shielding layer.
As a further scheme of the invention: the outside of fire-retardant layer is provided with outer shielding layer, the outside of outer shielding layer sets up fire-proof sheath layer.
Compared with the prior art, the invention has the beneficial effects that:
1. the cable core is arranged at the center of the cable, so that the structure of the cable is more balanced and stable, the deformation and deformation of the cable in the use process can be reduced, the mechanical strength and durability of the cable are improved, and the redundant arrangement of the rest three cable cores due to the arrangement of the cable cores uniformly distributed at the center of the cable is avoided; meanwhile, when the barrier layer is damaged, the self-healing agent in the barrier layer can be released to fill and repair the damaged area, so that the cable inner core arranged at the center of the cable is protected from damage, and the high strength of the cable inner core after being reduced is ensured.
2. The material of fire prevention restrictive coating is glass fiber and heat-resisting resin combined material, can increase mechanical strength and wearability, the fixed oversheath layer that is provided with in bottom of fire prevention restrictive coating, the oversheath layer is the polyurethane sheath, can provide extra physical protection.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a part of the structure of the present invention.
In the figure: 1. a conductor; 2. an insulating separator; 3. an outer sheath layer; 4. an insulating layer; 5. an inner shielding layer; 51. a protective layer; 52. a barrier layer; 6. a flame retardant layer; 7. an outer shielding layer; 8. and a fireproof sheath layer.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, an explosion-proof flame-retardant computer cable for use in an explosive location, comprising: the cable inner core, the cable inner core is provided with four, and one of them sets up in cable center department, and the other three is around the cable inner core evenly distributed of setting up in cable center department.
The cable inner core is arranged at the center of the cable, so that the structure of the cable is more balanced and stable. Therefore, deformation and deformation of the cable in the use process can be reduced, and the mechanical strength and durability of the cable are improved. Through the setting of evenly distributed in cable center department with the three other cable inner cores, avoid setting up too much cable inner cores and cause redundancy.
The cable inner core comprises a cable core, an insulating layer 4 is wrapped on the outer side of the cable core, the cable core is composed of a plurality of conductors 1 and a plurality of insulating partition boards 2, the insulating partition boards 2 are arranged between two adjacent conductors 1, and the insulating partition boards 2 ensure that the conductors 1 and the conductors 1 cannot cause mutual interference when in operation.
The outside of cable inner core is provided with interior shielding layer 5, interior shielding layer 5 includes protective layer 51, barrier layer 52, protective layer 51 is circular protruding form, barrier layer 52 connects between adjacent two protective layer 51, barrier layer 52 laminating insulating layer 4.
The material of the barrier layer 52 is a polymer self-healing material, and when the barrier layer 52 is damaged, the self-healing agent in the interior is released to fill and repair the damaged area, so as to protect the cable core arranged at the center of the cable from damage.
The outside of interior shielding layer 5 is provided with fire-retardant layer 6, the outside of fire-retardant layer 6 is provided with outer shielding layer 7, the outside of outer shielding layer 7 is provided with fire-proof sheath layer 8.
The fireproof sheath layer 8 is made of a glass fiber and heat-resistant resin composite material, so that the mechanical strength and the wear resistance can be improved, the outer sheath layer 3 is fixedly arranged at the bottom of the fireproof sheath layer 8, and the outer sheath layer 3 is a polyurethane sheath and can provide additional physical protection.
Working principle:
the cable inner core is arranged at the center of the cable, so that the structure of the cable is more balanced and stable. Therefore, deformation and deformation of the cable in the use process can be reduced, and the mechanical strength and durability of the cable are improved. Through the setting of evenly distributed in cable center department with the three other cable inner cores, avoid setting up too much cable inner cores and cause redundancy.
The material of the barrier layer 52 is a polymer self-healing material, and when the barrier layer 52 is damaged, the self-healing agent in the interior is released to fill and repair the damaged area, so as to protect the cable core arranged at the center of the cable from damage.
The fireproof sheath layer 8 is made of a glass fiber and heat-resistant resin composite material, so that the mechanical strength and the wear resistance can be improved, the outer sheath layer 3 is fixedly arranged at the bottom of the fireproof sheath layer 8, and the outer sheath layer 3 is a polyurethane sheath and can provide additional physical protection.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (5)
1. An explosion-proof flame-retardant computer cable for an explosive location, comprising: cable inner core, fire prevention restrictive coating (8), the cable inner core is provided with four, and one of them sets up in cable center department, and the other three is round the cable inner core evenly distributed who sets up in cable center department, the outside of cable inner core is provided with interior shielding layer (5), interior shielding layer (5) are including protective layer (51), separation layer (52), protective layer (51) are circular protrusion form, separation layer (52) are connected between adjacent two protective layer (51), the material of fire prevention restrictive coating (8) is glass fiber and heat-resistant resin combined material, the fixed oversheath layer (3) that is provided with in bottom of fire prevention restrictive coating (8), oversheath layer (3) are polyurethane sheath.
2. An explosion-proof flame-retardant computer cable for an explosive place according to claim 1, characterized in that the cable core comprises a cable core, an insulating layer (4) is wrapped on the outer side of the cable core, the cable core is composed of a plurality of conductors (1) and a plurality of insulating partition boards (2), the insulating partition boards (2) are arranged between two adjacent conductors (1), and the barrier layer (52) is attached to the insulating layer (4).
3. An explosion-proof flame-retardant computer cable for explosive locations according to claim 1, characterized in that the material of the barrier layer (52) is a polymeric self-healing material.
4. An explosion-proof flame-retardant computer cable for explosive locations according to claim 1, characterized in that the inner shielding layer (5) is provided on the outside with a flame-retardant layer (6).
5. An explosion-proof flame-retardant computer cable for explosive places according to claim 4, characterized in that the outer side of the flame-retardant layer (6) is provided with an outer shielding layer (7), and the outer side of the outer shielding layer (7) is provided with a fireproof sheath layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311783135.5A CN117542564A (en) | 2023-12-22 | 2023-12-22 | Explosion-proof flame-retardant computer cable for explosive places |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311783135.5A CN117542564A (en) | 2023-12-22 | 2023-12-22 | Explosion-proof flame-retardant computer cable for explosive places |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117542564A true CN117542564A (en) | 2024-02-09 |
Family
ID=89796072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311783135.5A Pending CN117542564A (en) | 2023-12-22 | 2023-12-22 | Explosion-proof flame-retardant computer cable for explosive places |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117542564A (en) |
-
2023
- 2023-12-22 CN CN202311783135.5A patent/CN117542564A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104318997B (en) | Low-smoke zero-halogen damp-proof fire-resistant tensile-resistant industrial cable | |
| CN209822310U (en) | Ceramic silicon rubber insulation temperature-resistant cable | |
| CN112397239A (en) | Practical wire and cable of resistance to compression heat resistance | |
| CN106019502A (en) | Fire-resistant high-flame retardant optical cable | |
| CN103117121A (en) | Copper wire armor fire-resistant cable | |
| CN211265066U (en) | Computer cable that fire behavior is good | |
| CN112164510A (en) | High-flame-retardant new energy automobile cable | |
| CN117542564A (en) | Explosion-proof flame-retardant computer cable for explosive places | |
| CN208767070U (en) | Mineral insulated cable | |
| CN201237942Y (en) | Impact, high temperature and flame-resistant cable | |
| CN207895903U (en) | A kind of fire-retardant fireproof cable | |
| CN215680228U (en) | Mechanical impact resistant three-core fire-resistant power cable | |
| CN213092876U (en) | Polyvinyl chloride insulation power cable | |
| CN210667880U (en) | Flexible mineral insulation fireproof cable | |
| CN205211431U (en) | Resistant computer cable that draws of flexible fire prevention | |
| CN203871055U (en) | Environment-friendly low-smoke zero-halogen flame-retardant cable | |
| CN210073441U (en) | Environment-friendly high-flame-retardant fireproof power cable | |
| CN210489303U (en) | Cross-linked halogen-free low-smoke polyolefin insulation flame-retardant power cable | |
| CN213070707U (en) | Flame-retardant flexible shielded cable | |
| CN218568491U (en) | Mineral insulation crosslinked polyolefin sheath fireproof cable for nuclear industry | |
| CN213277567U (en) | High-flame-retardant new energy automobile cable | |
| CN218214748U (en) | Flexible fireproof cable | |
| CN219759243U (en) | Flame-retardant fire-resistant cable | |
| CN217035231U (en) | Environment-friendly halogen-free low-smoke flame-retardant fire-resistant control cable | |
| CN211427902U (en) | Novel fire-resistant flame retarded cable protection line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |