CN216287713U - High flame retardant control cable - Google Patents
High flame retardant control cable Download PDFInfo
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- CN216287713U CN216287713U CN202122615215.2U CN202122615215U CN216287713U CN 216287713 U CN216287713 U CN 216287713U CN 202122615215 U CN202122615215 U CN 202122615215U CN 216287713 U CN216287713 U CN 216287713U
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Abstract
The utility model discloses a high flame-retardant control cable, which comprises: the cable comprises a cable core, a flame-retardant protective layer and an outer protective layer, wherein an inner insulating layer is arranged on the outer side of the cable core, the cable core is located on the inner side of the flame-retardant protective layer, and the outer protective layer is arranged on the outer side of the flame-retardant protective layer. The flame-retardant effect of the cable is improved by the arrangement of the oxygen-insulating layer, the flame-retardant isolation sleeve and the flame-retardant outer layer; the anti-interference and tensile strength of the cable are improved through the arrangement of the electromagnetic shielding layer and the tensile rib.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a high-flame-retardant control cable.
Background
With the increasing speed of economic construction, the number of various large industrial facilities, high-rise commercial buildings, underground buildings and residential buildings is gradually increased, the total amount of cables is increased, and the laying density is increased. Electrical fire accidents caused by short circuit, spontaneous combustion and the like due to cable aging are more and more frequent, and the loss is more and more serious, so people recognize that the use of environment-friendly high-flame-retardant cables is necessary.
At present, the high flame-retardant control cable is a product specially designed and developed in the fields of fire fighting, petroleum, petrifaction, refining, chemical industry, metallurgy and the like, which are inflammable, have high environmental temperature and high fire-proof level. The cable is mainly used as a connecting line between various electrical appliances, instruments and automatic devices, is mainly used for controlling, monitoring and protecting circuits and the like, and plays various roles of transmitting control, signals and the like. The control cable is widely applied in the fields of petrochemical industry and the like, and plays an important role in the operation of a safe power supply and production system, wherein the function of the control cable can exceed that of a power cable for a main line.
Therefore, the development of environment-friendly cables with high flame retardance is necessary for occasions with special requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-flame-retardant control cable to solve the problem of poor flame-retardant effect of the cable.
In order to achieve the purpose, the utility model provides the following technical scheme: a high flame retardant control cable comprising: the cable comprises a cable core, a flame-retardant protective layer and an outer protective layer, wherein an inner insulating layer is arranged on the outer side of the cable core, the cable core is located on the inner side of the flame-retardant protective layer, and the outer protective layer is arranged on the outer side of the flame-retardant protective layer.
Preferably, the flame-retardant protective layer comprises a flame-retardant isolation sleeve and a flame-retardant outer layer, the flame-retardant outer layer is positioned outside the flame-retardant isolation sleeve, and the flame-retardant isolation sleeve and the flame-retardant outer layer are made of flame-retardant materials.
Preferably, the inside symmetry of fire-retardant isolation sleeve is provided with the isolation chamber, and the isolation intracavity side is provided with the anoxybiotic layer, and anoxybiotic layer inboard is connected with the cable core, and the anoxybiotic layer is isolated oxygen and is prevented the burning.
Preferably, the outer protective layer includes weather resistant layer, external insulation layer and waterproof layer, and weather resistant layer can improve the weatherability of cable, and external insulation layer cooperation internal insulation layer increases the insulating nature of cable, and the setting of waterproof layer can avoid inside outside water infiltration cable.
Preferably, an electromagnetic shielding layer is arranged between the waterproof layer and the flame-retardant outer layer, the electromagnetic shielding layer is formed by winding thin copper wires on the surface of the flame-retardant outer layer in a net shape, and interference of the outside to the cable core can be reduced through the electromagnetic shielding layer.
Preferably, the center of the flame-retardant isolation sleeve is provided with a tensile rib, and the tensile property of the cable can be improved by the tensile rib.
Compared with the prior art, the utility model has the beneficial effects that:
1. the flame-retardant effect of the cable is improved by the arrangement of the oxygen-insulating layer, the flame-retardant isolation sleeve and the flame-retardant outer layer.
2. The arrangement of the electromagnetic shielding layer and the tensile rib improves the anti-interference and tensile strength of the cable.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
in the figure: 1 cable core, 11 internal insulation layers, 2 flame-retardant protective layers, 21 flame-retardant isolation sleeves, 22 isolation cavities, 23 oxygen-insulating layers, 24 external flame-retardant layers, 3 tensile ribs, 4 electromagnetic shielding layers, 5 external protection layers, 51 waterproof layers, 52 external insulation layers and 53 weather-resistant layers.
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.
Example 1
Referring to fig. 1, a high flame-retardant control cable is shown, which includes: the cable comprises a cable core 1, a flame-retardant protective layer 2 and an outer protective layer 5, wherein an inner insulating layer 11 is arranged on the outer side of the cable core 1, the cable core 1 is located on the inner side of the flame-retardant protective layer 2, and the outer protective layer 5 is arranged on the outer side of the flame-retardant protective layer 2.
The flame-retardant protective layer 2 comprises a flame-retardant isolation sleeve 21 and a flame-retardant outer layer 24, the flame-retardant outer layer 24 is positioned outside the flame-retardant isolation sleeve 21, and the flame-retardant isolation sleeve 21 and the flame-retardant outer layer 24 are made of flame-retardant materials.
The inside symmetry of fire-retardant separation sleeve 21 is provided with keeps apart chamber 22, keeps apart the chamber 22 inboard and is provided with anoxybiotic layer 23, and anoxybiotic layer 23 inboard is connected with cable core 1, and anoxybiotic layer 23 isolates oxygen and prevents the burning.
When this cable uses: carry out the separation through fire-retardant separation sleeve 21, internal insulation layer 11 and anoxybiotic layer 23 between the cable core 1 and can avoid taking place the short circuit between the cable core 1 and cause the fire, the cable core 1 is located anoxybiotic layer 23 inboard simultaneously, and through 23 isolated oxygen of anoxybiotic layer and fire-retardant separation sleeve 21, the fire-retardant outer 24 setting can effectual improvement cable's flame retardant efficiency.
Example 2
Referring to fig. 1, this embodiment is further illustrated with respect to example 1, in which a high flame retardant control cable includes: the cable comprises a cable core 1, a flame-retardant protective layer 2 and an outer protective layer 5, wherein an inner insulating layer 11 is arranged on the outer side of the cable core 1, the cable core 1 is located on the inner side of the flame-retardant protective layer 2, and the outer protective layer 5 is arranged on the outer side of the flame-retardant protective layer 2.
Outer protective layer 5 includes weather resistant layer 53, external insulation layer 52 and waterproof layer 51, and weather resistant layer 53 can improve the weatherability of cable, and external insulation layer 52 cooperates internal insulation layer 11 to increase the insulating nature of cable, and inside the setting of waterproof layer 51 can avoid outside water infiltration cable.
An electromagnetic shielding layer 4 is arranged between the waterproof layer 51 and the flame-retardant outer layer 24, the electromagnetic shielding layer 4 is formed by winding thin copper wires on the surface of the flame-retardant outer layer 24 in a net shape, and interference of the outside to the cable core 1 can be reduced through the electromagnetic shielding layer 4.
The center of the flame-retardant isolation sleeve 21 is provided with an anti-pulling rib 3, and the anti-pulling rib 3 can improve the tensile property of the cable.
In this embodiment, when the cable is in use, the cable can reduce the interference of external electromagnetic waves to the cable through the electromagnetic shielding layer 4, and simultaneously the tensile strength of the cable can be improved through the arrangement of the tensile rib 3, and the service life of the cable is prolonged through the arrangement of the outer protection layer 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. A high flame retardant control cable, comprising:
the cable comprises a cable core (1), a flame-retardant protective layer (2) and an outer protective layer (5), wherein an inner insulating layer (11) is arranged on the outer side of the cable core (1), the cable core (1) is positioned on the inner side of the flame-retardant protective layer (2), the outer protective layer (5) is arranged on the outer side of the flame-retardant protective layer (2), the flame-retardant protective layer (2) comprises a flame-retardant isolation sleeve (21) and a flame-retardant outer layer (24), the flame-retardant outer layer (24) is positioned on the outer side of the flame-retardant isolation sleeve (21), isolation cavities (22) are symmetrically arranged in the flame-retardant isolation sleeve (21), an oxygen-insulating layer (23) is arranged on the inner side of each isolation cavity (22), the cable core (1) is connected to the inner side of each oxygen-insulating layer (23), the outer protective layer (5) comprises a weather-resistant layer (53), an outer insulating layer (52) and a waterproof layer (51), and an electromagnetic shielding layer (4) is arranged between the waterproof layer (51) and the flame-retardant outer layer (24), the center of the flame-retardant isolation sleeve (21) is provided with an anti-pulling rib (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615215.2U CN216287713U (en) | 2021-10-28 | 2021-10-28 | High flame retardant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615215.2U CN216287713U (en) | 2021-10-28 | 2021-10-28 | High flame retardant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216287713U true CN216287713U (en) | 2022-04-12 |
Family
ID=81073124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615215.2U Active CN216287713U (en) | 2021-10-28 | 2021-10-28 | High flame retardant control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216287713U (en) |
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2021
- 2021-10-28 CN CN202122615215.2U patent/CN216287713U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 071800 Mi Nan Zhuang Cun, Xiong County, Baoding City, Hebei Province Patentee after: Xiong'an Baodi Cable Co.,Ltd. Patentee after: BEIJING WIRE CABLE MAIN WORKSHOP BAODING CO.,LTD. Address before: 071800 Mi Jia Zhen Mi Nan Zhuang Cun, Xiong County, Baoding City, Hebei Province Patentee before: TIANMA YUANDONG CABLE CO.,LTD. Patentee before: BEIJING WIRE CABLE MAIN WORKSHOP BAODING CO.,LTD. |
|
| CP03 | Change of name, title or address |