CN210667882U - Flame-retardant shielded cable - Google Patents
Flame-retardant shielded cable Download PDFInfo
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- CN210667882U CN210667882U CN201921961147.1U CN201921961147U CN210667882U CN 210667882 U CN210667882 U CN 210667882U CN 201921961147 U CN201921961147 U CN 201921961147U CN 210667882 U CN210667882 U CN 210667882U
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Abstract
The utility model provides a fire-retardant shielded cable, including a plurality of sinle silks, insulating layer, shielding layer, interlayer, the fire-retardant layer of asbestos and inoxidizing coating, the parcel has the insulating layer on every sinle silk, and the parcel has the shielding layer on the insulating layer, and the fire-retardant layer of asbestos wraps up all sinle silks, and every one end of interlayer all links to each other with the fire-retardant layer of asbestos to form fan-shaped appearance line chamber, the sinle silk is placed in fan-shaped appearance line intracavity, and fan-shaped appearance line intracavity is filled there is fire-retardant filler, and the parcel has the inoxidi. The utility model discloses an inoxidizing coating adopts low smoke and zero halogen material layer, can effectively prevent the conflagration to enlarge and stretch, can not produce a large amount of smog and hydrogen halide gas, reduces the hindrance that brings for personnel's safe evacuation and fire fighter's rescue, guarantees the safety of personal and property. And an interlayer is arranged in the asbestos flame-retardant layer, and the interlayer separates the wire cores one by one, so that the anti-interference capability and tensile strength of the flame-retardant shielding cable can be enhanced.
Description
Technical Field
The utility model relates to a cable especially relates to a fire-retardant shielded cable.
Background
The cable is used for transmitting and distributing electric energy, at present, in the developed present of electric power, communication industry, the cable is used in many different environments, when the cable is used in the building (especially the building in public place), to the fire-retardant requirement of cable higher and higher, if the fire behaviour of cable is poor, when the conflagration takes place, the cable can possibly burn and the short circuit phenomenon appears, can aggravate the degree of burning of conflagration more, make the conflagration can't obtain effectual control, not only seriously harm property safety, even people's personal safety can't be ensured even.
However, halogen compounds generate a large amount of smoke and hydrogen halide gas due to combustion, and when a fire occurs, the visibility of the surroundings is low due to the large amount of smoke, which causes a great obstacle to the safe evacuation of people and the rescue of firefighters.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-retardant shielded cable, fire behaviour is good, can effectively prevent the intensity of a fire to stretch, reduces the harm to the personal property.
In order to achieve the above object, the utility model provides a fire-retardant shielded cable, including a plurality of sinle silks, insulating layer, shielding layer, interlayer, the fire-retardant layer of asbestos and inoxidizing coating, every the parcel has on the sinle silk the insulating layer, the parcel has on the insulating layer the shielding layer, the fire-retardant layer of asbestos wraps up in all the sinle silk, each end of interlayer all with the fire-retardant layer of asbestos links to each other to form fan-shaped appearance line chamber, the sinle silk place in fan-shaped appearance line intracavity, fan-shaped appearance line intracavity is filled there is fire-retardant filler, the parcel has on the fire-retardant layer of asbestos the inoxidizing coating, the inoxidizing.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an inoxidizing coating adopts low smoke and zero halogen material layer, when effectively preventing the conflagration to enlarge and stretch, can not produce a large amount of smog and hydrogen halide gas, reduces the safe sparse hindrance that brings with fire fighter's rescue for personnel, guarantees the safety of personal property, also avoids hydrogen halide gas and the water in the air to take place the reaction back, can generate hydrogen halide acid, can seriously corrode instrument and equipment and building, still is provided with the fire-retardant layer of asbestos in fire-retardant shielded cable, can improve the utility model discloses a fire-retardant shielded cable's fire behavior. And an interlayer is arranged in the asbestos flame-retardant layer, and the interlayer separates the wire cores one by one, so that the anti-interference capability and tensile strength of the flame-retardant shielding cable can be enhanced.
Preferably, the interlayer is in an X-shaped structure or a Y-shaped structure.
Preferably, the protective layer is a crosslinked polyethylene layer.
Preferably, the thickness of the protective layer is 2-6 mm.
Preferably, the insulating layer is a mica tape insulating layer.
Preferably, the thickness of the insulating layer is 2-6 mm.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the flame-retardant shielded cable of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the flame-retardant shielded cable of the present invention.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a flame-retardant shielded cable 100, which includes a core 101, an insulating layer 102, a shielding layer 103, an interlayer 104, an asbestos flame-retardant layer 105, and a shielding layer 106. Specifically, each wire core 101 is wrapped by an insulating layer 102, the insulating layer 102 is wrapped by a shielding layer 103, the asbestos flame-retardant layer 105 wraps all the wire cores 101, the protective layer 106 wraps the asbestos flame-retardant layer 105, and the interlayer 104 is disposed in the asbestos flame-retardant layer 105, in this embodiment, the interlayer 104 is in an "X" shape, each end of the interlayer 104 is connected with the asbestos flame-retardant layer 105, and four fan-shaped wire accommodating cavities 10a are formed, correspondingly, the number of the wire cores 101 is four, the four wire cores 101 are respectively disposed in the four fan-shaped wire accommodating cavities 10a, and a gap in the fan-shaped wire accommodating cavities 10a is filled with a flame-retardant filler. In this embodiment, red phosphorus is used as the flame retardant filler, but aluminum hydroxide, magnesium hydroxide, or the like may be used as the flame retardant filler.
Specifically, the insulating layer 102 is a mica tape insulating layer, and the thickness of the insulating layer 102 ranges from 2 mm to 6mm, in this embodiment, the thickness of the insulating layer 102 is 3 mm. Of course, the thickness of the insulating layer 102 can be selected within the range of the thickness of the insulating layer 102 according to the process requirements and the actual use environment, and other kinds of materials, such as polyvinyl chloride material, cross-linked polyethylene material, and natural rubber material, can be selected for the insulating layer 102.
In addition, the protection layer 106 is a low smoke zero halogen material layer, specifically, the protection layer 106 is made of polyvinyl chloride material, and the thickness of the protection layer 106 ranges from 2 mm to 6mm, in this embodiment, the thickness of the protection layer 106 is 4 mm. Certainly, the thickness of the protective layer 106 may be selected within the range of the thickness of the protective layer 106 according to the process requirements and the actual use environment, and other kinds of low-smoke halogen-free materials, such as resin, may also be selected for the protective layer 106 to achieve the purpose of flame retardancy.
Under the multiple action of insulating layer 102, the fire-retardant layer of asbestos 105, inoxidizing coating 106 and fire-retardant filler, can improve the utility model discloses a fire-retardant shielding cable 100's fire behaviour, effectively prevent the expansion of intensity of a fire and stretch, make the conflagration controlled effectively, provide the biggest relief time for the relief personnel, and the fire-retardant material that uses in the fire-retardant shielding cable 100 is mostly low smoke and zero halogen material, can not produce a large amount of smog and hydrogen halide gas, reduce the hindrance that brings for personnel's safe evacuation and fire fighter's rescue, guarantee the safety of personal property, also avoid hydrogen halide gas to take place the reaction with the water in the air after, can generate hydrogen halide acid, can seriously corrode instrument equipment and building.
Referring to fig. 2, different from the first embodiment, in the present embodiment, the interlayer 1041 is in a "Y" shape, each end of the interlayer 1041 is connected to the asbestos flame-retardant layer 105, and three fan-shaped wire accommodating cavities 10b are formed, correspondingly, the number of the wire cores 101 is three, and the three wire cores 101 are respectively placed in the three fan-shaped wire accommodating cavities 10 b.
With reference to fig. 1 and 2, the structure of the interlayer is not limited to the X-shaped structure and the Y-shaped structure, nor is it limited to divide the fan-shaped wire accommodating cavities into four or three, the number of the fan-shaped wire accommodating cavities may also be two or five or six, one wire core 101 is correspondingly disposed in each fan-shaped wire accommodating cavity, of course, two or more wire cores 101 may also be disposed in a single fan-shaped wire accommodating cavity, and the wire cores 101 in the same fan-shaped wire accommodating cavity constitute a wire core group. Different numbers of cores 101 may also be disposed in the fan-shaped wire-accommodating cavities in the same flame-retardant shielded cable 100. The structure of the interlayer, the number of the fan-shaped wire accommodating cavities and the number of the wire cores arranged in the fan-shaped wire accommodating cavities can be adjusted.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited thereto. Within the scope of the concept of the present invention, corresponding changes can be made reasonably. Therefore, the protection scope of the present invention should be subject to the claims.
Claims (6)
1. The utility model provides a fire-retardant shielded cable, its characterized in that, includes a plurality of sinle silks, insulating layer, shielding layer, interlayer, the fire-retardant layer of asbestos and inoxidizing coating, every the parcel has on the sinle silk the insulating layer, the parcel has on the insulating layer the shielding layer, the fire-retardant layer of asbestos wraps up all the sinle silk, each end of interlayer all with the fire-retardant layer of asbestos links to each other to form fan-shaped appearance line chamber, the sinle silk place in fan-shaped appearance line intracavity, fan-shaped appearance line intracavity is filled there is fire-retardant filler, the parcel has on the fire-retardant layer of asbestos the inoxidizing coating, the inoxidizing.
2. The flame retardant shielded cable of claim 1 wherein said barrier layer is in an "X" configuration or a "Y" configuration.
3. The flame retardant shielded cable of claim 1 wherein said armor layer is a crosslinked polyethylene layer.
4. The flame retardant shielded cable of claim 1 wherein the thickness of the shield layer is 2-6 mm.
5. The flame retardant shielded cable of claim 1, wherein the insulating layer is a mica tape insulating layer.
6. The flame retardant shielded cable of claim 1, wherein the insulating layer has a thickness of 2-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961147.1U CN210667882U (en) | 2019-11-13 | 2019-11-13 | Flame-retardant shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921961147.1U CN210667882U (en) | 2019-11-13 | 2019-11-13 | Flame-retardant shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210667882U true CN210667882U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921961147.1U Active CN210667882U (en) | 2019-11-13 | 2019-11-13 | Flame-retardant shielded cable |
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| CN (1) | CN210667882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933332A (en) * | 2020-07-07 | 2020-11-13 | 中筑科技股份有限公司 | Interference-preventing high-strength cable for central air conditioner |
-
2019
- 2019-11-13 CN CN201921961147.1U patent/CN210667882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933332A (en) * | 2020-07-07 | 2020-11-13 | 中筑科技股份有限公司 | Interference-preventing high-strength cable for central air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 No. 90, xiangxidong District Road, Liaobu Town, Dongguan City, Guangdong Province Patentee after: Guangdong Guangshen Cable Co.,Ltd. Address before: 523000 building e, No. 6, guanhuang North Road, hengjiaotou village, Gaopo Town, Dongguan City, Guangdong Province Patentee before: Guangdong Guangshen Cable Co.,Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Rongtong Financial Leasing Co.,Ltd. Assignor: Guangdong Guangshen Cable Co.,Ltd. Contract record no.: X2023980042474 Denomination of utility model: Flame retardant shielded cable Granted publication date: 20200602 License type: Exclusive License Record date: 20230922 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Flame retardant shielded cable Effective date of registration: 20230926 Granted publication date: 20200602 Pledgee: Guangdong Rongtong Financial Leasing Co.,Ltd. Pledgor: Guangdong Guangshen Cable Co.,Ltd. Registration number: Y2023980059045 |