CN210467393U - Insulating fire prevention type mineral substance cable - Google Patents
Insulating fire prevention type mineral substance cable Download PDFInfo
- Publication number
- CN210467393U CN210467393U CN201921809299.XU CN201921809299U CN210467393U CN 210467393 U CN210467393 U CN 210467393U CN 201921809299 U CN201921809299 U CN 201921809299U CN 210467393 U CN210467393 U CN 210467393U
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- layer
- insulating
- fire
- cable
- mineral
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Abstract
The utility model discloses an insulating fire prevention type mineral substance cable, including insulating packing cover, the inboard packing of insulating packing cover has fire-retardant stopping, and the inboard of fire-retardant stopping is fixed with the conductor, and the surface of conductor is provided with inside mineral substance insulating layer and ceramic silastic-layer, and the butt has thin steel wire between the conductor. According to the insulated fireproof mineral cable, the surface of a conductor is provided with an internal mineral insulating layer and a ceramic silicone rubber layer, the inner side of an insulating filling sleeve is filled with a flame-retardant filler, and the surface of the insulating filling sleeve is provided with an external mineral insulating layer and a fireproof composite tape layer, so that the flame retardance and fire resistance of the cable are improved; the inner side of the cable is provided with a thin steel wire, and the surface of the fire-resistant composite belt layer is provided with a steel wire armor layer, so that the anti-pulling performance of the cable is improved.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be an insulating fire prevention type mineral substance cable.
Background
The cable is widely applied to control installation, connection equipment and power transmission, and is an indispensable important transmission medium in the aspects of industry, civilian use and the like. The cable has various specifications and models so as to meet the requirements of different equipment and transmission purposes. When the cable is used, problems such as short circuit or open circuit can occur, and the transmission of power supply and information is failed. When a fire disaster occurs, the cable needs to have a certain fireproof function, so that data can be effectively stored before the lines are paralyzed, the risk of data loss is reduced, and the cable can ensure the safe operation of electrical equipment and the lines in the process of power transmission. The existing cable is not ideal in fireproof performance, and when a fire disaster occurs, the risk of data loss is high, and the information and power transmission effect is not good. Therefore, there is a need to develop a new mineral insulated fireproof cable.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating fire prevention type mineral substance cable to solve the poor problem of cable fire behavior.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating fire prevention type mineral substance cable, includes insulating packing cover, the inboard packing of insulating packing cover has fire-retardant stopping, the inboard of fire-retardant stopping is fixed with the conductor, the surface of conductor is provided with inside mineral substance insulating layer and ceramic silastic-layer, the butt has thin steel wire between the conductor.
Preferably, the insulation filling sleeve is wrapped with an outer mineral insulation layer.
Preferably, the surface of the outer mineral insulation layer is provided with a refractory composite tape layer.
Preferably, the surface of the fire-resistant composite belt layer is provided with a steel wire armor layer.
Preferably, an anti-corrosion protective layer is arranged on the outer side of the steel wire armor layer.
Compared with the prior art, the beneficial effects of the utility model are that: according to the insulated fireproof mineral cable, firstly, an inner mineral insulating layer and a ceramic silicone rubber layer are arranged on the surface of a conductor, and an outer mineral insulating layer and a fireproof composite tape layer are arranged on the surface of a flame-retardant filler filled inside an insulating filling sleeve, so that the flame retardance and fire resistance of the cable are improved; secondly, the cable inboard is provided with thin steel wire and fire-resistant composite band layer surface is provided with the steel wire armor to improve the tensile performance of dragging of cable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure: 1 conductor, 2 internal mineral substance insulating layers, 3 ceramic silicone rubber layers, 4 thin steel wires, 5 flame-retardant fillers, 6 insulating filling sleeves, 7 external mineral substance insulating layers, 8 fire-resistant composite tape layers, 9 steel wire armor layers and 10 anticorrosion protective 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.
Referring to fig. 1, an insulating fireproof mineral cable comprises an insulating filling sleeve 6, flame-retardant filler 5 is filled inside the insulating filling sleeve 6, the flame-retardant filler 5 adopts polypropylene flame retardant as main flame-retardant filler 5, the polypropylene flame retardant cannot cause fire and cannot be combusted or support combustion, a conductor 1 is fixed inside the flame-retardant filler 5, an inner mineral insulating layer 2 and a ceramic silicone rubber layer 3 are arranged on the surface of the conductor 1, the inner mineral insulating layer 2 is made of a nano environment-friendly fireproof mineral insulating material and can play a role in insulation and fire prevention, and the ceramic silicone rubber layer 3 forms a ceramic insulating layer in a heating or combustion state.
Referring to fig. 1, thin steel wires 4 are abutted between conductors 1, the thin steel wires 4 are disposed at the center of the cable between the conductors 1, and the tensile strength of the cable can be improved by the thin steel wires 4.
Referring to fig. 1, the insulating filling sheath 6 is wrapped with an outer mineral insulating layer 7, and the outer mineral insulating layer 7 is a mica tape insulating layer.
Referring to fig. 1, a fire-resistant composite tape layer 8 is disposed on the surface of the outer mineral insulation layer 7, and the fire-resistant composite tape layer 8 has a heat-insulating and flame-retardant effect.
Referring to fig. 1, a steel wire armor layer 9 is disposed on a surface of a fire-resistant composite tape layer 8, and the steel wire armor layer 9 is disposed on the surface of the fire-resistant composite tape layer 8 to improve tensile strength of the cable when the cable is stressed.
Referring to fig. 1, an anticorrosion protective layer 10 is disposed on an outer side of the steel wire armor layer 9, and the anticorrosion protective layer 10 is mainly composed of a metal plastic composite tape.
The utility model discloses when concrete implementation: because the surface of the conductor 1 is provided with the internal mineral insulating layer 2 and the ceramic silicone rubber layer 3, the conductor 1 is positioned at the inner side of the insulating filling sleeve 6, the flame-retardant filler 5 is filled at the inner side of the insulating filling sleeve 6, and the surface of the insulating filling sleeve 6 is provided with the external mineral insulating layer 7 and the fireproof composite tape layer 8, the external heat is prevented from being transferred to the conductor 1, and the heat generated by the conductor 1 is prevented from being transferred to the surface of the cable, so that the flame retardance and fire resistance of the cable are improved; the cable center is provided with thin steel wire 4, and fire-resistant composite strip layer 8 surface is provided with steel wire armor 9, and the performance is dragged to the tensile of cable through thin steel wire 4 and fire-resistant composite strip layer 8 improvement.
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. An insulating fire prevention type mineral substance cable, includes insulating packing cover (6), its characterized in that: the inner side of the insulation filling sleeve (6) is filled with flame-retardant filler (5), the inner side of the flame-retardant filler (5) is fixed with a conductor (1), the surface of the conductor (1) is provided with an internal mineral insulation layer (2) and a ceramic silicone rubber layer (3), and thin steel wires (4) are abutted between the conductors (1).
2. An insulated fire-resistant mineral matter cable according to claim 1, characterized in that: the insulating filling sleeve (6) is wrapped with an external mineral insulating layer (7).
3. An insulated fire-resistant mineral matter cable according to claim 2, characterized in that: and a fireproof composite belt layer (8) is arranged on the surface of the external mineral substance insulating layer (7).
4. An insulated fire-resistant mineral matter cable according to claim 3, characterized in that: and a steel wire armor layer (9) is arranged on the surface of the fire-resistant composite belt layer (8).
5. An insulated fire-resistant mineral matter cable according to claim 4, characterized in that: and an anti-corrosion protective layer (10) is arranged on the outer side of the steel wire armor layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809299.XU CN210467393U (en) | 2019-10-25 | 2019-10-25 | Insulating fire prevention type mineral substance cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921809299.XU CN210467393U (en) | 2019-10-25 | 2019-10-25 | Insulating fire prevention type mineral substance cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210467393U true CN210467393U (en) | 2020-05-05 |
Family
ID=70435784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921809299.XU Expired - Fee Related CN210467393U (en) | 2019-10-25 | 2019-10-25 | Insulating fire prevention type mineral substance cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210467393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035434A (en) * | 2021-03-26 | 2021-06-25 | 国家电网有限公司 | Durable cable coated with flame-retardant coating |
-
2019
- 2019-10-25 CN CN201921809299.XU patent/CN210467393U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113035434A (en) * | 2021-03-26 | 2021-06-25 | 国家电网有限公司 | Durable cable coated with flame-retardant coating |
| CN113035434B (en) * | 2021-03-26 | 2022-07-19 | 国家电网有限公司 | Durable cable coated with flame-retardant coating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20211025 |