CN212809873U - Insulating low smoke zero halogen crosslinked polyolefin digital communication cable - Google Patents
Insulating low smoke zero halogen crosslinked polyolefin digital communication cable Download PDFInfo
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- CN212809873U CN212809873U CN202021770025.7U CN202021770025U CN212809873U CN 212809873 U CN212809873 U CN 212809873U CN 202021770025 U CN202021770025 U CN 202021770025U CN 212809873 U CN212809873 U CN 212809873U
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Abstract
The utility model discloses an insulating low smoke and zero halogen crosslinked polyolefin digital communication cable, including sinle silk and pentaerythritol phosphate sheath, the outside of sinle silk is provided with the flame retardant coating, and the flame retardant coating includes tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating. The utility model discloses set up the flame retardant coating including tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating, can play the purpose of three-layer fire prevention (tolyl diphenyl phosphate plays first layer fire protection effect, glass fiber layer plays second floor fire protection effect after tolyl diphenyl phosphate damages, the diammonium hydrogen phosphate coating plays third layer fire protection effect after glass fiber layer damages), and simultaneously, tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating are insulating low smoke and zero halogen flame retardant material, thereby the poisonous and harmful gas volume that produces when can reducing the burning, people's the security of the lives and property has been ensured.
Description
Technical Field
The utility model relates to a communication cable technical field specifically is an insulating low smoke and zero halogen crosslinked polyolefin digital communication cable.
Background
The communication cable is a cable for transmitting telephone, telegraph, fax document, TV and radio program, data and other electric signals, and is a communication line formed from cable core twisted from several mutually insulated wires or conductors and outer layer protective cover for protecting cable core from damp and mechanical damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating low smoke and zero halogen crosslinked polyolefin digital communication cable to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating low smoke and zero halogen crosslinked polyolefin digital communication cable, includes sinle silk and pentaerythritol phosphate sheath, the outside of sinle silk is provided with the flame retardant coating, and the flame retardant coating includes tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating, the outside of flame retardant coating is provided with the inoxidizing coating, and the inoxidizing coating includes cerium oxide coating and ceramic coating.
Preferably, the number of the wire cores is seven, and the outer surface of each wire core is sleeved with a pentaerythritol phosphate sheath.
Preferably, the inboard of flame retardant coating is connected with the aluminium foil shielding layer through polyimide gum, and packs between aluminium foil shielding layer and the pentaerythritol phosphate ester sheath and have flexible fire-resistant oxygen mud filling layer that separates.
Preferably, the tolyldiphenyl phosphate is attached to the outer side of the glass fiber layer by polyimide glue, and the glass fiber layer is attached to the outer side of the diammonium phosphate coating layer by polyimide glue.
Preferably, the cerium oxide coating is coated on the outer side of the ceramic coating, and the ceramic coating is coated on the outer side of the cresyl diphenyl phosphate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses set up the flame retardant coating including tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating, can play the purpose of three-layer fire prevention (tolyl diphenyl phosphate plays first layer fire protection effect, glass fiber layer plays second floor fire protection effect after tolyl diphenyl phosphate damages, the diammonium hydrogen phosphate coating plays third layer fire protection effect after glass fiber layer damages), and simultaneously, tolyl diphenyl phosphate, glass fiber layer and diammonium hydrogen phosphate coating are insulating low smoke and zero halogen flame retardant material, thereby the poisonous and harmful gas volume that produces when can reducing the burning, people's the security of the lives and property has been ensured.
2. The utility model discloses set up the inoxidizing coating including cerium oxide coating and ceramic coating, wherein cerium oxide coating can play anti ultraviolet's effect, has improved the ageing resistance of this cable, and ceramic coating can play wear-resisting protection's effect after cerium oxide coating damages, further improves the life of this cable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the fire-proof layer of the present invention;
fig. 3 is a schematic view of the protective layer structure of the present invention.
In the figure: 1 wire core, 2 pentaerythritol phosphate sheath, 3 flexible fire-resistant oxygen-insulating mud filling layers, 4 fireproof layers, 41-tolyl diphenyl phosphate, 42 glass fiber layers, 43 diammonium hydrogen phosphate coatings, 5 protective layers, 51 cerium oxide coatings, 52 ceramic coatings and 6 aluminum foil shielding layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 application can be understood in a specific case by those of ordinary skill in the art.
The wire core 1, the pentaerythritol phosphate sheath 2, the flexible fire-resistant oxygen-insulating mud filling layer 3, the fireproof layer 4, the tolyl diphenyl phosphate 41, the glass fiber layer 42, the diammonium phosphate coating 43, the protective layer 5, the cerium oxide coating 51, the ceramic coating 52 and the aluminum foil shielding layer 6 are all universal standard parts or parts known by a person skilled in the art, and the structure and the principle of the parts are known by the person skilled in the art through technical manuals or conventional experimental methods.
Referring to fig. 1-3, an insulated low-smoke halogen-free cross-linked polyolefin digital communication cable comprises wire cores 1 and pentaerythritol phosphate sheaths 2, wherein the number of the wire cores 1 is seven, the pentaerythritol phosphate sheaths 2 are sleeved on the outer surfaces of the wire cores 1, a fireproof layer 4 is arranged on the outer side of each wire core 1, an aluminum foil shielding layer 6 is connected to the inner side of the fireproof layer 4 through polyimide glue, a flexible fire-resistant oxygen-isolating mud filling layer 3 is filled between the aluminum foil shielding layer 6 and the pentaerythritol phosphate sheaths 2, the fireproof layer 4 comprises tolyl diphenyl phosphate 41, a glass fiber layer 42 and a diammonium hydrogen phosphate coating 43, and can achieve the purpose of three-layer fire prevention (the tolyl diphenyl phosphate 41 plays a first-layer fire protection role, the glass fiber layer 42 plays a second-layer fire protection role after the tolyl diphenyl phosphate 41 is damaged, and the diammonium hydrogen phosphate coating 43 plays a third-layer fire protection role after the glass fiber layer 42 is damaged), meanwhile, the tolyl diphenyl phosphate 41, the glass fiber layer 42 and the diammonium phosphate coating 43 are all insulating low-smoke halogen-free flame retardant materials, so that the toxic and harmful gas quantity generated during combustion can be reduced, the life and property safety of people is guaranteed, the tolyl diphenyl phosphate 41 is connected to the outer side of the glass fiber layer 42 through polyimide glue, and the glass fiber layer 42 is connected with the outer side of the diammonium hydrogen phosphate coating 43 through polyimide glue, the outer side of the fireproof layer 4 is provided with a protective layer 5, and the protective layer 5 comprises a cerium oxide coating 51 and a ceramic coating 52, the cerium oxide coating 51 can play a role in ultraviolet protection, the aging resistance of the cable is improved, the ceramic coating 52 can play a role in wear-resistant protection after the cerium oxide coating 51 is damaged, the service life of the cable is further prolonged, the cerium oxide coating 51 is coated on the outer side of the ceramic coating 52, and the ceramic coating 52 is coated on the outer side of the tolyl diphenyl phosphate 41.
When in use, the fireproof layer 4 comprising the tolyl diphenyl phosphate 41, the glass fiber layer 42 and the diammonium hydrogen phosphate coating 43 is arranged, so that the purpose of three-layer fireproof can be achieved (the tolyl diphenyl phosphate 41 plays a first-layer fireproof protection role, the glass fiber layer 42 plays a second-layer fireproof protection role after the tolyl diphenyl phosphate 41 is damaged, and the diammonium hydrogen phosphate coating 43 plays a third-layer fireproof protection role after the glass fiber layer 42 is damaged), meanwhile, the tolyl diphenyl phosphate 41, the glass fiber layer 42 and the diammonium hydrogen phosphate coating 43 are all insulating low-smoke halogen-free flame-retardant materials, so that the toxic and harmful gas quantity generated during combustion can be reduced, the life and property safety of people is guaranteed, the protective layer 5 comprising the cerium oxide coating 51 and the ceramic coating 52 is arranged, wherein the cerium oxide coating 51 can play a role of ultraviolet ray prevention, and the ageing resistance of the cable is improved, the ceramic coating 52 can play a role in wear-resistant protection after the cerium oxide coating 51 is damaged, and the service life of the cable is further prolonged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an insulating low smoke and zero halogen crosslinked polyolefin digital communication cable, includes sinle silk (1) and pentaerythritol phosphate sheath (2), its characterized in that: the outside of sinle silk (1) is provided with flame retardant coating (4), and flame retardant coating (4) include tolyl diphenyl phosphate (41), glass fiber layer (42) and diammonium hydrogen phosphate coating (43), the outside of flame retardant coating (4) is provided with inoxidizing coating (5), and inoxidizing coating (5) include cerium oxide coating (51) and ceramic coating (52).
2. The insulated low-smoke halogen-free crosslinked polyolefin digital communication cable according to claim 1, characterized in that: the number of the wire cores (1) is seven, and the outer surface of each wire core (1) is sleeved with a pentaerythritol phosphate sheath (2).
3. The insulated low-smoke halogen-free crosslinked polyolefin digital communication cable according to claim 1, characterized in that: the inner side of the fireproof layer (4) is connected with an aluminum foil shielding layer (6) through polyimide glue, and a flexible fireproof oxygen-isolating mud filling layer (3) is filled between the aluminum foil shielding layer (6) and the pentaerythritol phosphate sheath (2).
4. The insulated low-smoke halogen-free crosslinked polyolefin digital communication cable according to claim 1, characterized in that: the cresyl diphenyl phosphate (41) is connected to the outer side of the glass fiber layer (42) through polyimide glue, and the glass fiber layer (42) is connected to the outer side of the diammonium hydrogen phosphate coating (43) through polyimide glue.
5. The insulated low-smoke halogen-free crosslinked polyolefin digital communication cable according to claim 1, characterized in that: the cerium oxide coating (51) is coated on the outer side of the ceramic coating (52), and the ceramic coating (52) is coated on the outer side of the cresyl diphenyl phosphate (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770025.7U CN212809873U (en) | 2020-08-24 | 2020-08-24 | Insulating low smoke zero halogen crosslinked polyolefin digital communication cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021770025.7U CN212809873U (en) | 2020-08-24 | 2020-08-24 | Insulating low smoke zero halogen crosslinked polyolefin digital communication cable |
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| CN212809873U true CN212809873U (en) | 2021-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114596998A (en) * | 2022-03-14 | 2022-06-07 | 金龙电缆科技有限公司 | Preparation method of high-flame-retardant fireproof cable |
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2020
- 2020-08-24 CN CN202021770025.7U patent/CN212809873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114596998A (en) * | 2022-03-14 | 2022-06-07 | 金龙电缆科技有限公司 | Preparation method of high-flame-retardant fireproof cable |
| CN114596998B (en) * | 2022-03-14 | 2023-12-29 | 金龙电缆科技有限公司 | Preparation method of high-flame-retardance fireproof cable |
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