CN112927846A - High-temperature fireproof cable - Google Patents
High-temperature fireproof cable Download PDFInfo
- Publication number
- CN112927846A CN112927846A CN202110075367.XA CN202110075367A CN112927846A CN 112927846 A CN112927846 A CN 112927846A CN 202110075367 A CN202110075367 A CN 202110075367A CN 112927846 A CN112927846 A CN 112927846A
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- membrane
- high temperature
- polyvinylidene fluoride
- 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
- 239000000919 ceramic Substances 0.000 claims abstract description 34
- 239000012528 membrane Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000004693 Polybenzimidazole Substances 0.000 claims abstract description 17
- 229920002480 polybenzimidazole Polymers 0.000 claims abstract description 17
- 239000002033 PVDF binder Substances 0.000 claims abstract description 15
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 7
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 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 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
- H01B7/17—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
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
- H01B7/29—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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a high-temperature fireproof cable which comprises at least one cable monomer, wherein the cable monomer comprises a cable core for transmitting signals, a flow guide line for guiding flow, a shielding layer for shielding signal interference, an impact-resistant polyvinylidene fluoride layer and a ceramic membrane wrapping tape; the wire core comprises a signal conductor, wherein an FEP fluorinated high-temperature insulating layer is coated outside the signal conductor; the shielding layer is coated outside the wire core and the flow guide wire; the polyvinylidene fluoride layer is coated outside the shielding layer; the wrapping tape of the ceramic membrane is wrapped outside the polyvinylidene fluoride layer, the wrapping tape of the ceramic membrane comprises a polybenzimidazole membrane, and the inner side of the polybenzimidazole membrane is coated with a nano ceramic particle layer; through being provided with ceramic membrane band, this ceramic membrane band includes polybenzimidazole membrane, and the inboard coating of polybenzimidazole membrane has the nanometer ceramic grained layer to promote high temperature resistance and fire behaviour that retards.
Description
Technical Field
The invention relates to the technical field of communication cables, in particular to a high-temperature fireproof cable.
Background
Communication cables are widely used in the field of signal transmission. Along with the continuous development of communication technology and the overall acceleration of base station construction, the signal cable demand for connecting transmission signals increases, and simultaneously, the requirements on the transmission performance and the safety performance of the signal cable also increase, for example, the signal cable applied to a space station and a space warehouse still ensures reliable environmental suitability while ensuring good signal transmission performance, however, the existing signal cable has the following defects: the high temperature resistance and the flame-retardant and fireproof performance are poor, which brings trouble to people.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a high-temperature fireproof cable with high temperature resistance and flame-retardant fireproof performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-temperature fireproof cable comprises at least one cable monomer, wherein the cable monomer comprises a cable core for transmitting signals, a flow guide line for guiding flow, a shielding layer for shielding signal interference, an impact-resistant polyvinylidene fluoride layer and a ceramic membrane wrapping tape; the wire core comprises a signal conductor, wherein an FEP fluorinated high-temperature insulating layer is coated outside the signal conductor; the shielding layer is coated outside the wire core and the flow guide wire; the polyvinylidene fluoride layer is coated outside the shielding layer; the wrapping tape of the ceramic membrane wraps the polyvinylidene fluoride layer, the wrapping tape of the ceramic membrane comprises a polybenzimidazole membrane, and the inner side of the polybenzimidazole membrane is coated with a nano ceramic particle layer.
Preferably, the signal conductor is made of copper.
As a preferred scheme, the diversion line is made of copper.
Preferably, the shielding layer is an aluminum foil tape or a copper foil tape.
As a preferable scheme, the cable single bodies are multiple, the multiple cable single bodies are sequentially arranged, and adjacent cable single bodies are bonded together through an adhesive.
Preferably, the adhesive is epoxy resin flexible glue.
Preferably, the particle size of the nano ceramic particle layer is 0.14nm to 0.45 nm.
Preferably, the thickness of the nano ceramic particle layer is 10um to 40 um.
Compared with the prior art, the cable has the advantages and beneficial effects that the technical scheme shows that the cable is mainly provided with the ceramic membrane wrapping belt which comprises the polybenzimidazole membrane, and the nano ceramic particle layer is coated on the inner side of the polybenzimidazole membrane, so that the high-temperature resistance and the flame-retardant and fireproof performance are improved, and the polyvinylidene fluoride layer is arranged, so that the impact resistance of the cable can be improved, the nano ceramic particle layer can be prevented from rubbing with the shielding layer, the shielding layer is protected, and the nano ceramic particle layer can be prevented from falling off from the polybenzimidazole membrane.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of an assembly structure according to an embodiment of the present invention.
The attached drawings indicate the following:
10. a cable unit; 20. a wire core; 21. a signal conductor; 22. FEP fluorinating the high-temperature insulating layer; 30. a diversion line; 40. a shielding layer; 50. a polyvinylidene fluoride layer; 60. ceramic membrane wrapping tape; 61. a polybenzimidazole membrane; 62. a layer of nanoceramic particles; 70. and (3) an adhesive.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Referring to fig. 1, a specific structure of an embodiment of the present invention is shown, which includes at least one cable unit 10, where the cable unit 10 includes a wire core 20 for transmitting signals, a flow guide line 30 for guiding flow, a shielding layer 40 for shielding signal interference, an impact-resistant polyvinylidene fluoride layer 50, and a ceramic film tape 60; the wire core 20 comprises a signal conductor 21, wherein an FEP fluorinated high-temperature insulating layer 22 is coated outside the signal conductor 21; the shielding layer 40 is coated outside the wire core 20 and the diversion line 30; the polyvinylidene fluoride layer 50 is coated outside the shielding layer 40; the ceramic membrane wrapping tape 60 wraps the polyvinylidene fluoride layer 50, the ceramic membrane wrapping tape 60 comprises a polybenzimidazole membrane 61, and the inner side of the polybenzimidazole membrane 61 is coated with a nano ceramic particle layer 62.
In the present embodiment, the signal conductor 21 is made of copper; the diversion line 30 is made of copper material; the shielding layer 40 is an aluminum foil tape or a copper foil tape; the particle diameter of the nano ceramic particle layer 62 is 0.14nm to 0.45nm, and the thickness of the nano ceramic particle layer 62 is 10um to 40 um.
In addition, the cable single bodies 10 are multiple, the cable single bodies 10 are sequentially arranged, and the adjacent cable single bodies 10 are bonded together through an adhesive 70, wherein in this embodiment, the adhesive 70 is epoxy resin flexible glue.
In summary, the ceramic membrane wrapping tape is arranged and comprises the polybenzimidazole membrane, the polybenzimidazole membrane is coated with the nano ceramic particle layer, so that the high temperature resistance and the flame-retardant and fireproof performance are improved, the polyvinylidene fluoride layer is arranged, the impact resistance of the cable can be improved, the nano ceramic particle layer can be prevented from being rubbed with the shielding layer, the shielding layer is protected, and the nano ceramic particle layer can be prevented from falling off from the polybenzimidazole membrane.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. A high temperature fireproof cable which characterized in that: the cable comprises at least one cable monomer, wherein the cable monomer comprises a cable core for transmitting signals, a flow guide line for guiding flow, a shielding layer for shielding signal interference, an impact-resistant polyvinylidene fluoride layer and a ceramic membrane wrapping tape; the wire core comprises a signal conductor, wherein an FEP fluorinated high-temperature insulating layer is coated outside the signal conductor; the shielding layer is coated outside the wire core and the flow guide wire; the polyvinylidene fluoride layer is coated outside the shielding layer; the wrapping tape of the ceramic membrane wraps the polyvinylidene fluoride layer, the wrapping tape of the ceramic membrane comprises a polybenzimidazole membrane, and the inner side of the polybenzimidazole membrane is coated with a nano ceramic particle layer.
2. A high temperature fire-resistant cable according to claim 1, wherein: the signal conductor is made of copper.
3. A high temperature fire-resistant cable according to claim 1, wherein: the diversion line is made of copper.
4. A high temperature fire-resistant cable according to claim 1, wherein: the shielding layer is an aluminum foil strip or a copper foil strip.
5. A high temperature fire-resistant cable according to claim 1, wherein: the cable monomer is a plurality of, and a plurality of cable monomers are arranged in proper order, bonds through the adhesive between the adjacent cable monomer and is in the same place.
6. A high temperature fire-resistant cable according to claim 5, wherein: the adhesive is epoxy resin flexible glue.
7. A high temperature fire-resistant cable according to claim 1, wherein: the particle size of the nano ceramic particle layer is 0.14 nm-0.45 nm.
8. A high temperature fire-resistant cable according to claim 1, wherein: the thickness of the nano ceramic particle layer is 10 um-40 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075367.XA CN112927846A (en) | 2021-01-20 | 2021-01-20 | High-temperature fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110075367.XA CN112927846A (en) | 2021-01-20 | 2021-01-20 | High-temperature fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112927846A true CN112927846A (en) | 2021-06-08 |
Family
ID=76164672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110075367.XA Pending CN112927846A (en) | 2021-01-20 | 2021-01-20 | High-temperature fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112927846A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273829A (en) * | 1979-08-30 | 1981-06-16 | Champlain Cable Corporation | Insulation system for wire and cable |
| JPH11345523A (en) * | 1998-06-02 | 1999-12-14 | Sumitomo Wiring Syst Ltd | Heat resistant wire, heat resistant insulating material, and manufacture of heat resistant wire |
| CN105849826A (en) * | 2013-09-23 | 2016-08-10 | 普睿司曼股份公司 | Lightweight and flexible impact resistant power cable and process for producing it |
| CN110033882A (en) * | 2019-04-24 | 2019-07-19 | 湖北宇洪光电实业有限公司 | A kind of fire prevention numeral signal cables for railway and its manufacturing method |
| CN209912536U (en) * | 2019-06-20 | 2020-01-07 | 广州宇洪科技股份有限公司 | Flame-retardant high-speed data cable for 5G data center system |
-
2021
- 2021-01-20 CN CN202110075367.XA patent/CN112927846A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273829A (en) * | 1979-08-30 | 1981-06-16 | Champlain Cable Corporation | Insulation system for wire and cable |
| JPH11345523A (en) * | 1998-06-02 | 1999-12-14 | Sumitomo Wiring Syst Ltd | Heat resistant wire, heat resistant insulating material, and manufacture of heat resistant wire |
| CN105849826A (en) * | 2013-09-23 | 2016-08-10 | 普睿司曼股份公司 | Lightweight and flexible impact resistant power cable and process for producing it |
| CN110033882A (en) * | 2019-04-24 | 2019-07-19 | 湖北宇洪光电实业有限公司 | A kind of fire prevention numeral signal cables for railway and its manufacturing method |
| CN209912536U (en) * | 2019-06-20 | 2020-01-07 | 广州宇洪科技股份有限公司 | Flame-retardant high-speed data cable for 5G data center system |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210608 |