CN114255919A - Low-smoke halogen-free fire-resistant shielding control cable - Google Patents
Low-smoke halogen-free fire-resistant shielding control cable Download PDFInfo
- Publication number
- CN114255919A CN114255919A CN202111664104.9A CN202111664104A CN114255919A CN 114255919 A CN114255919 A CN 114255919A CN 202111664104 A CN202111664104 A CN 202111664104A CN 114255919 A CN114255919 A CN 114255919A
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- Prior art keywords
- layer
- supporting
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- cable
- fire
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
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- 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
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- 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
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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- 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
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- 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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Insulated Conductors (AREA)
Abstract
The invention provides a low-smoke halogen-free fire-resistant shielding control cable, which comprises a fixed end, a cable body and a connecting end, wherein the cable body is fixedly connected with the fixed end and the connecting end, the section of the cable body comprises a rubber layer, a plurality of groups of fire-resistant parts are arranged in the rubber layer, the fire-resistant parts are distributed in an annular array, a shielding layer is arranged on the inner side of each fire-resistant part, a supporting layer is arranged on the inner side of each shielding layer, a connecting layer is arranged on the inner side of each supporting layer, a supporting soft layer is arranged on the inner side of each connecting layer, a protective layer is arranged on the inner side of each supporting soft layer, the fire-resistant pipes are adopted, when the rubber layer skin of the cable burns, the fire-resistant pipes can break in the burning process, carbon dioxide powder in the fire-resistant pipes can cover the rubber surface layer, the burning of flame is inhibited, the supporting layer and the supporting soft layer are adopted, when the cable is extruded with high strength, the supporting soft layer can support the central cable core and is protected, the use is safer, the shielding layer and the shielding block are adopted for effective shielding, so that the shielding requirement is met in the using process of the cable.
Description
Technical Field
The invention relates to the technical field of cable production, in particular to a low-smoke halogen-free fire-resistant shielding control cable.
Background
The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation.
The existing cable brings convenience and brings fire hazard danger and radiation, a lot of polluting gas can be brought during combustion, the internal support of the cable is not good, and the shielding property of the cable is not good. There is therefore a need for a low smoke, zero halogen, fire resistant shielded control cable.
Disclosure of Invention
The invention aims to provide a low-smoke halogen-free fire-resistant shielding control cable, which solves the problems that people bring convenience, fire hazard and radiation, a lot of polluting gases are brought during combustion, the internal support of the cable is not good, and the shielding performance of the cable is not good in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a low smoke and zero halogen fire-resistant shielding control cable, includes stiff end, the cable body and link, cable body and stiff end and link fixed connection, cable body section include the rubber layer, the rubber in-situ be provided with multiunit fire prevention spare, and fire prevention spare be the ring array and distribute, fire prevention spare inboard be provided with the shielding layer, shielding layer inboard be provided with the supporting layer, the supporting layer inboard be provided with the articulamentum, the articulamentum inboard be provided with support soft layer, support soft in-situ side be provided with the protective layer, the protective layer inboard be provided with the multiunit cable core.
Preferably, the fireproof part is arranged between the rubber layer and the shielding layer, a fireproof pipe is arranged in the middle of the fireproof part, and carbon dioxide powder is filled in the fireproof pipe.
Preferably, the shielding layer is formed by weaving an aluminum foil wrapped by conductive resin, and the shielding layer adopt a laminating structure.
Preferably, the supporting layer is formed by extruding ceramic silicon rubber oxygen-insulating materials, a plurality of groups of supporting hoses are arranged in the supporting layer, and the supporting hoses are distributed in an annular array.
Preferably, the connecting layer is made of rubber and is of an annular structure.
Preferably, the inner side of the connecting layer is provided with a mounting area, the mounting area is of a concave structure, the mounting area is internally provided with a shielding block, a supporting block is arranged below the shielding block, the supporting block is arranged between the protective layer and the connecting layer, and the supporting block is of a strip structure.
Preferably, the supporting blocks are made of rubber, the supporting blocks are distributed in an annular array, the supporting blocks are arranged in a supporting soft layer, and the supporting blocks of the supporting soft layer are formed by extruding ceramic silicon rubber oxygen insulation materials.
Preferably, the thickness of the supporting soft layer is larger than that of the supporting layer.
Compared with the prior art, the invention has the beneficial effects that: this fire-resistant shielding control cable of low smoke and zero halogen, fire prevention spare and flame tube have been adopted, when the burning takes place for the rubber layer epidermis of cable, the flame tube can break in the combustion process, the carbon dioxide powder of the inside can cover on the rubber top layer, restrain the burning of flame, supporting layer and support soft layer have been adopted, when the cable was extruded by high strength, the supporting layer can support the ware with supporting soft layer, the center of protection cable core, it is more safe to use, shielding layer and shielding piece have been adopted and have effectually shielded, make and satisfy the shielding demand in the cable use.
Drawings
FIG. 1 is a diagram illustrating the overall structure of the system of the present invention;
FIG. 2 is a cross-sectional structural view of the cable body of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
fig. 4 is a schematic illustration of a fire resistant duct according to the present invention.
In the figure: 1. a fixed end; 2. a cable body; 201. a rubber layer; 3. a connecting end; 4. a fire-resistant member; 5. a fire-proof tube; 6. a shielding layer; 7. a support layer; 8. a connecting layer; 9. a supporting soft layer; 10. a protective layer; 11. a cable core; 12. a shielding block; 13. an installation area; 14. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a low-smoke halogen-free fire-resistant shielding control cable comprises a fixed end 1, a cable body 2 and a connecting end 3, wherein the cable body 2 is fixedly connected with the fixed end 1 and the connecting end 3, the section of the cable body 2 comprises a rubber layer 201, a plurality of groups of fire-proof parts 4 are arranged in the rubber layer 201, when the skin of the rubber layer 201 of the cable burns, a fire-proof pipe 5 can break in the burning process, carbon dioxide powder in the fire-proof pipe can cover the surface layer of the rubber to inhibit the burning of flame, the fire-proof parts 4 are distributed in an annular array, a shielding layer 6 is arranged on the inner side of each fire-proof part 4 to meet the shielding requirement in the using process of the cable, a supporting layer 7 is arranged on the inner side of each shielding layer 6, a connecting layer 8 is arranged on the inner side of each supporting layer 7, a supporting soft layer 9 is arranged on the inner side of each connecting layer 8, the supporting layers 7 and the supporting soft layers 9 support the outer side of a protective layer 10, and a protective layer 10 is arranged on the inner side of each supporting soft layer 9, the protective layer 10 protects the inner cable core 11, and a plurality of groups of cable cores 11 are arranged on the inner side of the protective layer 10.
Further, fire prevention spare 4 set up between rubber layer 201 and shielding layer 6, fire prevention spare 4 middle parts are provided with flame retardant pipe 5, flame retardant pipe 5 carries out the breakage when the burning, packs carbon dioxide powder in flame retardant pipe 5, carbon dioxide powder puts out a fire to rubber layer 201 cover isolated oxygen.
Further, the shielding layer 6 is formed by weaving aluminum foil wrapped by conductive resin, and the shielding layer 6 adopt a laminating structure.
Further, the supporting layer 7 is formed by extruding ceramic silicon rubber oxygen-insulating materials, a plurality of groups of supporting hoses are arranged in the supporting layer 7, and the supporting hoses are distributed in an annular array.
Further, the connecting layer 8 is made of rubber, and the connecting layer 8 is of an annular structure.
Further, a mounting area 13 has been seted up to articulamentum 8 inboard to mounting area 13 is concave structure, is provided with shielding piece 12 in the mounting area 13, and shielding piece 12 is supplementary to be shielded, makes to be better to central cable core 11 shielding effect, is provided with supporting shoe 14 below shielding piece 12, and supporting shoe 14 sets up between protective layer 10 and articulamentum 8, and supporting shoe 14 is the bar structure.
Furthermore, the supporting blocks 14 are made of rubber, the rubber is used for supporting in a disorderly mode, the supporting blocks 14 are distributed in an annular array mode, the supporting blocks 14 are arranged in the supporting soft layer 9, and the supporting soft layer 9 is formed by extruding ceramic silicon rubber oxygen insulation materials on the supporting blocks 14.
Further, the thickness of the supporting soft layer 9 is larger than that of the supporting layer 7.
According to the multifunctional composite fire-resistant cable provided by the embodiment of the invention, through the fire-proof piece 4 and the fire-proof pipe 5, when the surface of the rubber layer 201 of the cable is burnt, the fire-proof pipe 5 can be broken in the burning process, carbon dioxide powder in the fire-proof pipe can cover the surface layer of the rubber, so that the burning of flame is inhibited, through the supporting layer 7 and the supporting soft layer 9, when the cable is extruded by high strength, the supporting layer 7 and the supporting soft layer 9 can support the cable, so that the central cable core 11 is protected, the use is safer, and the shielding layer 6 and the shielding block 12 can effectively shield the cable, so that the shielding requirement is met in the use process of the cable.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a fire-resistant shielding control cable of low smoke and zero halogen, includes stiff end (1), cable body (2) and link (3), its characterized in that: the cable body (2) and stiff end (1) and link (3) fixed connection, cable body (2) section include rubber layer (201), rubber layer (201) in be provided with multiunit fire prevention spare (4), and fire prevention spare (4) be the annular array and distribute, fire prevention spare (4) inboard be provided with shielding layer (6), shielding layer (6) inboard be provided with supporting layer (7), supporting layer (7) inboard be provided with articulamentum (8), articulamentum (8) inboard be provided with support soft layer (9), support soft layer (9) inboard be provided with protective layer (10), protective layer (10) inboard be provided with multiunit cable core (11).
2. The low smoke zero halogen fire resistant shielded control cable of claim 1, wherein: the fireproof part (4) is arranged between the rubber layer (201) and the shielding layer (6), the middle of the fireproof part (4) is provided with a fireproof pipe (5), and the fireproof pipe (5) is filled with carbon dioxide powder.
3. The low smoke zero halogen fire resistant shielded control cable of claim 2, wherein: the shielding layer (6) is formed by weaving aluminum foils wrapped by conductive resin, and the shielding layer (6) adopt a laminating structure.
4. The low smoke zero halogen fire resistant shielded control cable of claim 3, wherein: the support layer (7) is formed by extruding ceramic silicon rubber oxygen-insulating materials, a plurality of groups of support hoses are arranged in the support layer (7), and the support hoses are distributed in an annular array.
5. The low smoke zero halogen fire resistant shielded control cable of claim 4, wherein: the connecting layer (8) is made of rubber materials, and the connecting layer (8) is of an annular structure.
6. The low smoke zero halogen fire resistant shielded control cable of claim 5, wherein: the inner side of the connecting layer (8) is provided with a mounting area (13), the mounting area (13) is of a concave structure, a shielding block (12) is arranged in the mounting area (13), a supporting block (14) is arranged below the shielding block (12), the supporting block (14) is arranged between the protective layer (10) and the connecting layer (8), and the supporting block (14) is of a strip-shaped structure.
7. The low smoke zero halogen fire resistant shielded control cable of claim 6, wherein: the supporting blocks (14) are made of rubber materials, the supporting blocks (14) are distributed in an annular array, the supporting blocks (14) are arranged in the supporting soft layer (9), and the supporting blocks (14) of the supporting soft layer (9) are formed by extruding ceramic silicon rubber oxygen insulation materials.
8. The low smoke zero halogen fire resistant shielded control cable of claim 7, wherein: the thickness of the supporting soft layer (9) is larger than that of the supporting layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111664104.9A CN114255919B (en) | 2021-12-31 | 2021-12-31 | Low-smoke halogen-free fire-resistant shielding control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111664104.9A CN114255919B (en) | 2021-12-31 | 2021-12-31 | Low-smoke halogen-free fire-resistant shielding control cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114255919A true CN114255919A (en) | 2022-03-29 |
| CN114255919B CN114255919B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111664104.9A Active CN114255919B (en) | 2021-12-31 | 2021-12-31 | Low-smoke halogen-free fire-resistant shielding control cable |
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| Country | Link |
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| CN (1) | CN114255919B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4720418A (en) * | 1985-07-01 | 1988-01-19 | Cts Corporation | Pre-reacted resistor paint, and resistors made therefrom |
| CN210956229U (en) * | 2020-01-18 | 2020-07-07 | 五弘线缆集团有限公司 | High flame-retardant insulated wire and cable |
-
2021
- 2021-12-31 CN CN202111664104.9A patent/CN114255919B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4720418A (en) * | 1985-07-01 | 1988-01-19 | Cts Corporation | Pre-reacted resistor paint, and resistors made therefrom |
| CN210956229U (en) * | 2020-01-18 | 2020-07-07 | 五弘线缆集团有限公司 | High flame-retardant insulated wire and cable |
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| Publication number | Publication date |
|---|---|
| CN114255919B (en) | 2023-07-18 |
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