CN210606759U - Flame-retardant cable - Google Patents
Flame-retardant cable Download PDFInfo
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- CN210606759U CN210606759U CN201921685878.8U CN201921685878U CN210606759U CN 210606759 U CN210606759 U CN 210606759U CN 201921685878 U CN201921685878 U CN 201921685878U CN 210606759 U CN210606759 U CN 210606759U
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- flame
- retardant
- cable
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Abstract
The utility model discloses a flame-retardant cable, which comprises a cable core; the cable core is wrapped with a flame-retardant layer, and an outer protective layer is wrapped outside the flame-retardant layer; the flame-retardant layer is provided with a plurality of circles of accommodating cavities along the axial direction, and the accommodating cavities are filled with flame-retardant substances; a partition wall is arranged between the containing cavities, and a marking line is marked on the outer surface of the outer protective layer corresponding to the position of the partition wall; the cable core comprises a control cable unit, a signal cable unit and two power cable units, wherein the control cable unit and the signal cable unit are respectively positioned at two sides of the two power cable units which are arranged side by side; the cable core is wrapped with a fireproof outer skin. The flame-retardant layer plays a flame-retardant role, when flame destroys the flame-retardant layer, the containing cavity of the flame-retardant layer releases flame-retardant objects, and the flame-retardant objects can weaken and even extinguish the fire.
Description
Technical Field
The utility model relates to a cable manufacturing field, especially a flame retarded cable.
Background
Cables are commonly used for telecommunication or power transmission and may be classified into power cables, communication cables, and control cables according to their uses. With the growing demand, a large number of cables are used in densely populated areas. In densely populated areas, fires are likely to occur. Fire-resistant cables are typically passed through a fire-resistant layer so that fire or high temperatures cannot damage the cable, but cannot attenuate or extinguish the fire.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a flame retarded cable, play fire-retardant effect through fire-retardant layer release fire-retardant thing.
The utility model provides a technical scheme that its problem adopted is:
a flame retardant cable comprising a core; the cable core is wrapped with a flame-retardant layer, and an outer protective layer is wrapped outside the flame-retardant layer; the flame-retardant layer is provided with a plurality of circles of accommodating cavities along the axial direction, and flame-retardant substances are filled in the accommodating cavities; a partition wall is arranged between the containing cavities, and a marking line is marked on the outer surface of the outer protective layer corresponding to the position of the partition wall; the cable core comprises a control cable unit, a signal cable unit and two power cable units, wherein the control cable unit and the signal cable unit are respectively positioned at two sides of the two power cable units which are arranged side by side; the cable core is wrapped with a fireproof outer skin.
Further, the flame retardant is an inert gas.
Further, the marking line circumferentially surrounds the outer surface of the outer protective layer.
Further, the outer protective layer contains aramid fiber bundles.
Specifically, the outer protective layer is made of halogen-free low-smoke polyolefin.
In particular, the fire-resistant sheath is made of asbestos.
The flame-retardant cable at least has the following beneficial effects: the cable units with various types and different functions are arranged, so that various signals can be transmitted, and the manufacturing cost of the cable is reduced; the flame-retardant layer plays a flame-retardant role, when flame destroys the flame-retardant layer, the containing cavity of the flame-retardant layer releases flame-retardant objects, and the flame-retardant objects can weaken and even extinguish the fire.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a structural diagram of a flame retardant cable according to an embodiment of the present invention;
fig. 2 is a sectional view taken along a-a in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the upper, lower, front, rear, left, right, inner, outer, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, in an embodiment of the present invention, a flame retardant cable is provided, including a cable core 100; the cable core 100 is wrapped with a flame-retardant layer 300, and the flame-retardant layer 300 is wrapped with an outer protective layer 200; the flame-retardant layer 300 is provided with a plurality of circles of accommodating cavities 310 along the axial direction, and the accommodating cavities 310 are filled with flame-retardant substances; the spacing walls 320 are arranged between the containing cavities 310, and the positions of the outer surface of the outer protective layer 200 corresponding to the spacing walls 320 are marked with the marking lines 210; the cable core 100 comprises a control cable unit 130, a signal cable unit 140 and two power cable units 120, wherein the control cable unit 130 and the signal cable unit 140 are respectively positioned at two sides of the two power cable units 120 which are arranged side by side; cable core 100 is wrapped with a fire-resistant sheath 110.
In this embodiment, a plurality of types of cable units having different functions are provided, and a plurality of types of signals can be transmitted, reducing the manufacturing cost of the cable. The power cable units 120 are used for transmitting power, and are two main transmission units; the control cable is a variety of automatic and wire control command control circuit cables specially designed for the centralized control of the power equipment; the signal cable unit 140 serves to transmit communication signals. In addition, the control cable unit 130, the signal cable unit 140 and the two power cable units 120 are each wrapped with a shielding layer on the outer layer of each cable unit.
The flame-retardant layer 300 plays a flame-retardant role, when flame damages the flame-retardant layer 300, the accommodating cavity 310 of the flame-retardant layer 300 releases flame-retardant substances, and the flame-retardant substances can weaken and even extinguish the fire.
Further, the flame retardant is an inert gas. Specifically, in the present embodiment, helium gas is used. In other embodiments, a gas such as carbon dioxide may be used as the flame retardant.
Further, the marking line 210 is circumferentially wound around the outer surface of the outer protective layer 200; and the accurate cutting by an engineer is facilitated.
Further, the outer protective layer 200 contains aramid fiber bundles. The aramid fiber bundles are materials formed by bundling aramid fibers. The aramid fiber bundle has the excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance, light weight, insulation, ageing resistance and long life cycle, and can further enhance the protection effect of the outer protection layer 200.
Specifically, the outer protective layer 200 is made of halogen-free low-smoke polyolefin. Of course, in other embodiments, other materials with good protection performance can be used for the outer protection layer 200.
Specifically, the fire-proof sheath 110 is made of asbestos. Of course, in other embodiments, other materials with good fire-blocking properties may be used for the outer protective layer 200.
Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (6)
1. A flame-retardant cable is characterized by comprising a cable core; the cable core is wrapped with a flame-retardant layer, and an outer protective layer is wrapped outside the flame-retardant layer; the flame-retardant layer is provided with a plurality of circles of accommodating cavities along the axial direction, and flame-retardant substances are filled in the accommodating cavities; a partition wall is arranged between the containing cavities, and a marking line is marked on the outer surface of the outer protective layer corresponding to the position of the partition wall; the cable core comprises a control cable unit, a signal cable unit and two power cable units, wherein the control cable unit and the signal cable unit are respectively positioned at two sides of the two power cable units which are arranged side by side; the cable core is wrapped with a fireproof outer skin.
2. A flame retardant cable according to claim 1, wherein said flame retardant is an inert gas.
3. A fire retardant cable according to claim 1 or claim 2, wherein said marker line is circumferentially disposed around the outer surface of said outer protective layer.
4. A fire-retardant cable in accordance with claim 3, wherein said outer protective layer contains aramid fiber bundles.
5. A flame retardant cable according to claim 4, wherein said outer protective layer is made of a halogen-free low smoke polyolefin.
6. A fire retardant cable in accordance with claim 3, wherein said fire resistant sheath is made of asbestos.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685878.8U CN210606759U (en) | 2019-10-09 | 2019-10-09 | Flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921685878.8U CN210606759U (en) | 2019-10-09 | 2019-10-09 | Flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210606759U true CN210606759U (en) | 2020-05-22 |
Family
ID=70697336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921685878.8U Active CN210606759U (en) | 2019-10-09 | 2019-10-09 | Flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210606759U (en) |
-
2019
- 2019-10-09 CN CN201921685878.8U patent/CN210606759U/en active Active
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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: A flame-retardant cable Granted publication date: 20200522 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: A flame-retardant cable Effective date of registration: 20230926 Granted publication date: 20200522 Pledgee: Guangdong Rongtong Financial Leasing Co.,Ltd. Pledgor: Guangdong Guangshen Cable Co.,Ltd. Registration number: Y2023980059045 |