CN112951504A - Smoke-proof halogen-free low-smoke flame-retardant insulated cable - Google Patents
Smoke-proof halogen-free low-smoke flame-retardant insulated cable Download PDFInfo
- Publication number
- CN112951504A CN112951504A CN202110193697.9A CN202110193697A CN112951504A CN 112951504 A CN112951504 A CN 112951504A CN 202110193697 A CN202110193697 A CN 202110193697A CN 112951504 A CN112951504 A CN 112951504A
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- China
- Prior art keywords
- smoke
- flame
- layer
- retardant
- cable
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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
- H01B7/29—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
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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
-
- 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
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
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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
- H01B7/185—Sheaths comprising internal cavities or channels
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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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
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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
- H01B7/1895—Internal space filling-up means
-
- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a smoke-proof halogen-free low-smoke flame-retardant insulated cable which comprises a low-smoke halogen-free flame-retardant protective layer, a reinforcing column and a gas column, wherein a flame-retardant insulating layer is arranged in the low-smoke halogen-free flame-retardant protective layer, a filling layer is arranged in the flame-retardant insulating layer, a plurality of hollow columns are arranged in the filling layer, and a fireproof layer is arranged in the filling layer. When the cable is used, the smoke intensity of the cable is small during combustion through the low-smoke halogen-free flame-retardant protective layer structure, toxic gas is not generated, the flame retardant property of the cable is effectively improved through the flame-retardant insulating layer, the high strength and the tensile strength of the cable are enhanced through the filling layer, the hollow column and the carbon fiber core, the cable is not easy to damage during use, the flame retardant property of the cable is further improved through the flame-retardant particles arranged in the hollow column, the cable is not easy to flatten during use through the arranged reinforcing layer, the gas column, the connecting column and the supporting column, the original shape of the cable is kept, and the influence on use caused by flattening of stress of the cable is avoided.
Description
Technical Field
The invention relates to the technical field of cable conductors, in particular to a smoke-proof halogen-free low-smoke flame-retardant insulated cable.
Background
A cable is a power or signal transmission device, and is generally composed of several wires or groups of wires.
Along with the frequent occurrence of fire accidents, people continuously deepen the understanding of the fire hazard risk of the cable, and the requirements of related departments on the performances of fire resistance, flame retardance, small smoke intensity, no halogen, no toxicity and the like of the cable are higher and higher, but when the traditional cable is used, the traditional cable is easily flattened under the influence of external force, so that the displacement of an inner line body is caused, the transmission efficiency of the cable is influenced, and the traditional cable is not suitable for the actual situation of the fire hazard of modern buildings. Therefore, the invention provides a smoke-proof halogen-free low-smoke flame-retardant insulated cable to solve the problems.
Disclosure of Invention
The invention aims to provide a smoke-proof halogen-free low-smoke flame-retardant insulated cable, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a smoke and fog prevention does not have steamed low cigarette flame retardant insulation cable, includes low cigarette no halogen flame retardant coating, strengthening post and gas post, be equipped with flame retardant insulation layer in the low cigarette no halogen flame retardant coating, be equipped with the filling layer in the flame retardant insulation layer, the inside a plurality of hollow post that is equipped with of filling layer, be equipped with the flame retardant coating in the filling layer, be equipped with low cigarette no halogen isolation layer in the flame retardant coating, be equipped with the strengthening layer in the low cigarette no halogen isolation layer, and the inside a plurality of gas posts that are equipped with of strengthening layer, be equipped with the thermal-insulated cotton layer of ceramic fibre in the strengthening layer, be equipped with the shielding layer in the thermal-insulated cotton layer of ceramic fibre.
As a further scheme of the invention: the filling layer is filled with filling ropes.
As a still further scheme of the invention: the hollow column is internally provided with flame-retardant particles, and the outer wall of the hollow column is provided with through holes corresponding to the flame-retardant particles.
As a still further scheme of the invention: and a plurality of carbon fiber cores are arranged between two adjacent hollow columns.
As a still further scheme of the invention: a connecting column is arranged between the two adjacent gas columns, and a plurality of supporting columns are arranged at the outer end of the connecting column.
As a still further scheme of the invention: the gas column, the connecting column and the supporting column are communicated.
As a still further scheme of the invention: the number of the wire bodies is 4.
As a still further scheme of the invention: the reinforcing column is in a cross shape, the interior of the wrapping layer is divided into four areas, and one line body is arranged in each area.
As a still further scheme of the invention: the one end that the backup pad is close to each other is equipped with the slider, and strengthens the post outer wall and correspond the slider and be equipped with the spout, slider and reinforced post sliding connection.
As a still further scheme of the invention: and a spring is arranged in the sliding groove, one end of the spring is fixedly connected with the inner wall of the sliding groove, and the other end of the spring is fixedly connected with the sliding block.
Compared with the prior art, the invention has the beneficial effects that:
1. when the cable is used, the smoke intensity of the cable is small during combustion through the low-smoke halogen-free flame-retardant protective layer structure, toxic gas is not generated, the flame retardant property of the cable is effectively improved through the flame-retardant insulating layer, the high strength and the tensile strength of the cable are enhanced through the filling layer, the hollow column and the carbon fiber core, the cable is not easy to damage during use, the flame retardant property of the cable is further improved through the flame-retardant particles arranged in the hollow column, the cable is not easy to flatten during use through the arranged reinforcing layer, the gas column, the connecting column and the supporting column, the original shape of the cable is kept, and the influence on use caused by flattening of stress of the cable is avoided.
2. When the ceramic fiber cable is used, the ceramic fiber heat insulation cotton layer is ceramic when being heated to protect the internal wire body, the shielding layer is arranged to prevent the cable from being interfered by external signals when being used, so that the cable is stably transmitted and operates, the reinforcing columns are arranged to separate the wire body, the wire body is prevented from being displaced due to the stress of the cable when being used, the compression resistance of the cable is enhanced, and the compression resistance of the cable is further enhanced through the supporting plate.
Drawings
Fig. 1 is a schematic structural diagram of a smoke-proof halogen-free low-smoke flame-retardant insulated cable.
Fig. 2 is a schematic right view of a smoke-proof halogen-free low-smoke flame-retardant insulated cable.
Fig. 3 is an enlarged structure schematic diagram of a point a in fig. 2 of a smoke-proof halogen-free low-smoke flame-retardant insulated cable.
Fig. 4 is an enlarged structural schematic diagram of a smoke-proof halogen-free low-smoke flame-retardant insulated cable at a position B in fig. 2.
Fig. 5 is an enlarged structure schematic diagram of a smoke-proof halogen-free low-smoke flame-retardant insulated cable at the position C in fig. 2.
In the figure: 1. a low-smoke halogen-free flame-retardant protective layer; 2. a flame retardant insulating layer; 3. a filling layer; 4. a fire barrier layer; 5. a low smoke zero halogen isolation layer; 6. a strengthening layer; 7. a ceramic fiber heat insulation cotton layer; 8. a shielding layer; 9. a wrapping layer; 10. a wire body; 11. a reinforcement column; 12. a support plate; 13. a slider; 14. a chute; 15. a spring; 16. a gas column; 17. connecting columns; 18. a support pillar; 19. a hollow column; 20. a through hole; 21. a carbon fiber core.
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 to 5, in the embodiment of the present invention, a smoke-proof halogen-free low-smoke flame-retardant insulated cable includes a low-smoke halogen-free flame-retardant protective layer 1, a reinforcing column 11 and a gas column 16, a flame-retardant insulating layer 2 is disposed in the low-smoke halogen-free flame-retardant protective layer 1, a filling layer 3 is disposed in the flame-retardant insulating layer 2, a filling rope is filled in the filling layer 3, a plurality of hollow columns 19 are disposed in the filling layer 3, flame-retardant particles are disposed in the hollow columns 19, through holes 20 are disposed on outer walls of the hollow columns 19 corresponding to the flame-retardant particles, a plurality of carbon fiber cores 21 are disposed between two adjacent hollow columns 19, a fire-proof layer 4 is disposed in the filling layer 3, a low-smoke halogen-free isolation layer 5 is disposed in the fire-proof layer 4, a reinforcing layer 6 is disposed in the low-smoke halogen-, the air column 16, the connecting column 17 and the supporting column 18 are communicated, a ceramic fiber heat insulation cotton layer 7 is arranged in the strengthening layer 6, a shielding layer 8 is arranged in the ceramic fiber heat insulation cotton layer 7, a wrapping layer 9 is arranged in the shielding layer 8, a plurality of line bodies 10 are arranged in the wrapping layer 9, the number of the line bodies 10 is 4, reinforcing columns 11 are arranged in the wrapping layer 9, the reinforcing columns 11 are cross-shaped, the interior of the wrapping layer 9 is divided into four regions, one line body 10 is arranged in each region, a supporting plate 12 is arranged between the reinforcing columns 11, a sliding block 13 is arranged at one end, close to each other, of the supporting plate 12, a sliding groove 14 is formed in the outer wall of each reinforcing column 11 corresponding to the sliding block 13, the sliding block 13 is connected with the reinforcing columns 11 in a sliding mode, a spring 15 is arranged in each sliding groove 14, one end.
The working principle of the invention is as follows:
when the invention is used, the smoke intensity of the cable is small when the cable is burnt through the structure of the low-smoke halogen-free flame-retardant protective layer 1, no toxic gas is generated, the flame-retardant property of the cable is effectively increased through the arranged flame-retardant insulating layer 2, the high strength and the tensile property of the cable are enhanced through the arranged filling layer 3, the hollow column 19 and the carbon fiber core 21, the cable is not easy to damage when in use, the flame-retardant property of the cable is further increased through the flame-retardant particles arranged in the hollow column 19, the cable is not easy to be flattened when in use through the arranged strengthening layer 6, the gas column 16, the connecting column 17 and the supporting column 18, the cable keeps the original shape, the use influence caused by the flattening of the stress of the cable is avoided, the ceramic fiber heat-insulating cotton layer 7 is ceramic when being heated, the inner wire body 10 is protected, the cable is not interfered by the external signal when in use through the arranged, make cable transmission steady operation, separate the line body 10 through the reinforcing post 11 that sets up, thereby avoided the cable atress when using to make the line body 10 take place the displacement, also strengthened the compressive property of cable simultaneously, further strengthened the compressive property of cable through the backup pad 12 of establishing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A smoke-proof halogen-free low-smoke flame-retardant insulated cable comprises a low-smoke halogen-free flame-retardant protective layer (1), a reinforcing column (11) and gas columns (16), and is characterized in that a flame-retardant insulating layer (2) is arranged in the low-smoke halogen-free flame-retardant protective layer (1), a filling layer (3) is arranged in the flame-retardant insulating layer (2), a plurality of hollow columns (19) are arranged in the filling layer (3), a fireproof layer (4) is arranged in the filling layer (3), a low-smoke halogen-free isolating layer (5) is arranged in the fireproof layer (4), a strengthening layer (6) is arranged in the low-smoke halogen-free isolating layer (5), a plurality of gas columns (16) are arranged in the strengthening layer (6), a ceramic fiber heat-insulating cotton layer (7) is arranged in the strengthening layer (6), a shielding layer (8) is arranged in the ceramic fiber heat-insulating cotton layer (7), reinforcing columns (11) are arranged in the wrapping layer (9), and supporting plates (12) are arranged between the reinforcing columns (11).
2. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, characterized in that the filling layer (3) is filled with filling ropes.
3. The cable according to claim 1, wherein the flame-retardant particles are disposed in the hollow column (19), and the outer wall of the hollow column (19) is provided with through holes (20) corresponding to the flame-retardant particles.
4. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, characterized in that a plurality of carbon fiber cores (21) are arranged between two adjacent hollow columns (19).
5. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, characterized in that a connecting column (17) is arranged between two adjacent gas columns (16), and a plurality of supporting columns (18) are arranged at the outer end of the connecting column (17).
6. A smoke-proof halogen-free low-smoke flame-retardant insulated cable according to claim 5, characterized in that said gas column (16), connecting column (17) and supporting column (18) are in communication.
7. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, characterized in that the number of said wire bodies (10) is 4.
8. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, wherein the reinforcing column (11) is cross-shaped, the inside of the wrapping layer (9) is divided into four regions, and one wire body (10) is arranged in each region.
9. The anti-smoke halogen-free low-smoke flame-retardant insulated cable according to claim 1, characterized in that a slider (13) is arranged at one end of the supporting plate (12) close to each other, a sliding groove (14) is arranged on the outer wall of the reinforcing column (11) corresponding to the slider (13), and the slider (13) is connected with the reinforcing column (11) in a sliding manner.
10. The smoke-proof halogen-free low-smoke flame-retardant insulated cable according to claim 9, characterized in that a spring (15) is arranged in the chute (14), one end of the spring (15) is fixedly connected with the inner wall of the chute (14), and the other end of the spring (15) is fixedly connected with the slider (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193697.9A CN112951504A (en) | 2021-02-20 | 2021-02-20 | Smoke-proof halogen-free low-smoke flame-retardant insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110193697.9A CN112951504A (en) | 2021-02-20 | 2021-02-20 | Smoke-proof halogen-free low-smoke flame-retardant insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112951504A true CN112951504A (en) | 2021-06-11 |
Family
ID=76244858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110193697.9A Withdrawn CN112951504A (en) | 2021-02-20 | 2021-02-20 | Smoke-proof halogen-free low-smoke flame-retardant insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112951504A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11203953A (en) * | 1998-01-13 | 1999-07-30 | Yazaki Corp | Fire-resisting wire |
| CN205789232U (en) * | 2016-04-19 | 2016-12-07 | 常州市新东方电缆有限公司 | A kind of low smoke and zero halogen standard wall thickness passenger train cable |
| CN209232472U (en) * | 2018-12-29 | 2019-08-09 | 扬州华城电缆有限公司 | Oil exploration platform Special electric cable |
-
2021
- 2021-02-20 CN CN202110193697.9A patent/CN112951504A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11203953A (en) * | 1998-01-13 | 1999-07-30 | Yazaki Corp | Fire-resisting wire |
| CN205789232U (en) * | 2016-04-19 | 2016-12-07 | 常州市新东方电缆有限公司 | A kind of low smoke and zero halogen standard wall thickness passenger train cable |
| CN209232472U (en) * | 2018-12-29 | 2019-08-09 | 扬州华城电缆有限公司 | Oil exploration platform Special electric cable |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210611 |
|
| WW01 | Invention patent application withdrawn after publication |