CN214796876U - Fire-resistant type environmental protection cable - Google Patents
Fire-resistant type environmental protection cable Download PDFInfo
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- CN214796876U CN214796876U CN202120723781.2U CN202120723781U CN214796876U CN 214796876 U CN214796876 U CN 214796876U CN 202120723781 U CN202120723781 U CN 202120723781U CN 214796876 U CN214796876 U CN 214796876U
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Abstract
The utility model belongs to the technical field of the cable technique and specifically relates to a fire-resistant type environmental protection cable, which comprises a conductor, the outer wall cover of conductor is equipped with insulating cover, insulating cover's outer wall is equipped with the copper wire weaving layer, the outer wall of copper wire weaving layer is equipped with the waterproof layer, the outer wall cover of waterproof layer is equipped with the radiation shield, the outer wall spiral winding of radiation shield has heat-conducting hose, and the inside heat when coolant liquid in the heat-conducting hose can prevent that the conflagration from taking place piles up and produce the high temperature and cause fire-retardant layer damage, prolongs the life of fire-retardant layer in the conflagration, and spiral winding heat-conducting hose both can avoid heat-conducting hose to break and fire-retardant layer fracture when this fire-resistant type environmental protection cable is crooked, can carry out the damage to the extrusion again, strengthens the flexibility of this fire-resistant type environmental protection cable greatly.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a fire-resistant type environmental protection cable.
Background
The cable generally refers to a conducting wire which is made of one or more mutually insulated conductors and an outer insulating protective layer and transmits power or information from one place to another place. For example, when supplying power to a large production plant or a high-rise building, in order to ensure the safety of the power system, a high-quality and environment-friendly fire-resistant cable is generally selected.
Traditional fire-resistant type cable is inside generally to be provided with high temperature resistant PVC material, plays fire-retardant effect, and the cable can work in the environment below 1000 degrees centigrade at least 30 minutes, but traditional fire-resistant type cable exists that the heat-conducting capacity is weak, and fire-resistant time is not enough, and hardness is great, and the not flexible laying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the traditional fire-resistant cable in the prior art has weak heat conductivity, short fire-resistant time, large hardness and difficult bending laying, and providing a fire-resistant environment-friendly cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a design fire-resistant type environmental protection cable, includes the conductor, the outer wall cover of conductor is equipped with insulating cover, insulating cover's outer wall is equipped with the copper wire weaving layer, the outer wall of copper wire weaving layer is equipped with the waterproof layer, the outer wall cover of waterproof layer is equipped with the radiation shield, the outer wall spiral winding of radiation shield has heat conduction hose, heat conduction hose's inside is equipped with the coolant liquid, heat conduction hose's outer wall is through heat conduction glue connection fire-retardant layer, the outer wall fixedly connected with flame retardant coating on fire-retardant layer, the outer wall coating of flame retardant coating has protective coating, adjacent two rings be equipped with the air chamber between the heat conduction hose, and the inside packing of air chamber has flame retardant gas.
Preferably, the cooling liquid is an insulating cooling liquid.
Preferably, the flame-retardant layer is a flexible tubular body made of halogen-free PVC.
Preferably, the fireproof layer is made by winding fireproof cloth, and the surface wall of the fireproof layer is coated with fireproof paint.
Preferably, the protective coating includes an abrasion resistant coating, a water resistant coating, and an anti-corrosion coating.
The utility model provides a pair of fire-resistant type environmental protection cable, beneficial effect lies in: the inside heat when the conflagration takes place can be prevented to the coolant liquid in the heat conduction hose and piled up the production high temperature and cause fire-retardant layer damage, the life of the fire-retardant layer in the conflagration is prolonged, when the fire-retardant layer is failed in a damaged way, when fire-retardant layer is burnt through, the fire-retardant gas delays the thorough damage of this fire-retardant type environmental protection cable, provide electric power for the conflagration rescue as far as possible, spiral winding's heat conduction hose both can avoid the heat conduction hose to break and fire-retardant layer fracture when this fire-retardant type environmental protection cable is crooked, can damage the extrusion again, strengthen this fire-retardant type environmental protection cable's flexibility greatly.
Drawings
Fig. 1 is a schematic sectional structure view of a fire-resistant environment-friendly cable provided by the present invention;
fig. 2 is an external structural schematic diagram of a fire-resistant environment-friendly cable according to the present invention.
In the figure: 1. a conductor; 2. an insulating sleeve; 3. a copper wire braid layer; 4. a waterproof layer; 5. a heat insulating sleeve; 6. a protective coating; 7. a fire barrier layer; 8. a flame retardant layer; 9. a heat conducting hose; 10. cooling liquid; 11. a flame retardant gas.
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.
Referring to fig. 1-2, a fire-resistant environment-friendly cable comprises a conductor 1, an insulating sleeve 2 is sleeved on the outer wall of the conductor 1, a copper wire woven layer 3 is arranged on the outer wall of the insulating sleeve 2, a waterproof layer 4 is arranged on the outer wall of the copper wire woven layer 3, a heat-insulating sleeve 5 is sleeved on the outer wall of the waterproof layer 4, a heat-conducting hose 9 is spirally wound on the outer wall of the heat-insulating sleeve 5, cooling liquid 10 is arranged inside the heat-conducting hose 9, the outer wall of the heat-conducting hose 9 is connected with a fire-retardant layer 8 through heat-conducting glue, a fire-retardant layer 7 is fixedly connected to the outer wall of the fire-retardant layer 8, a protective coating 6 is coated on the outer wall of the fire-retardant layer 7, an air chamber is arranged between two adjacent rings of heat-conducting hoses 9, fire-retardant gas 11 is filled inside the air chamber, the cooling liquid 10 is insulating cooling liquid, the fire-retardant gas 11 comprises inert gases such as carbon dioxide and nitrogen, the fire-retardant layer 8 is a flexible tubular body made of halogen-free PVC, and the fire-retardant layer 7 is made of fire-retardant cloth by winding, and the surface wall of the fireproof layer 7 is coated with fireproof paint, and the protective coating 6 comprises a wear-resistant coating, a waterproof coating and an anti-corrosion coating.
The working principle is as follows: the fire-retardant layer 7 made by winding the fire-retardant cloth prevents open fire from directly igniting the fire-retardant layer 8, the fire-retardant coating on the surface of the fire-retardant layer 7 prevents the fire-retardant layer 8 from contacting oxygen in the air to further retard fire, the protective coating 6 prevents the fireproof layer 7 from being corroded and abraded and liquid from being immersed, the cooling liquid 10 in the heat conduction hose 9 cools the flame-retardant layer 8, the flame-retardant layer 8 is prevented from being damaged due to high temperature generated by internal heat accumulation when a fire disaster happens, the service life of the flame-retardant layer 8 in the fire disaster is prolonged, the influence of high temperature on the conductor 1 is blocked by the heat insulation sleeve 5, the normal work of the fire-resistant environment-friendly cable in fire is prolonged, when the fireproof layer 7 is damaged and fails and the flame-retardant layer 8 is burnt through, the flame-retardant gas 11 is released to form a gas protection layer, so that the fire-retardant environment-friendly cable is completely damaged, electric power is supplied to fire rescue as much as possible, and the cooling liquid 10 is prevented from contacting the conductor 1 when the heat-conducting hose 9 is broken through the waterproof layer 4; spiral winding's heat conduction hose 9 can avoid breaking heat conduction hose 9 when this fire-resistant type environmental protection cable is crooked, and flame retardant gas 11 between heat conduction hose 9's the link can be compressed, make fire-resistant layer 8 can be folded when this fire-resistant type environmental protection cable of bending, avoid fire-resistant layer 8 to be extruded or drag the fracture, heat conduction hose 9 still can cushion external extrusion, the anti extrusion ability of reinforcing, fire-resistant layer 8 is the flexible tubulose body that halogen-free PVC made, can not produce toxic gas during the burning, more environmental protection.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A fire-resistant environment-friendly cable comprises a conductor (1) and is characterized in that an insulating sleeve (2) is sleeved on the outer wall of the conductor (1), the outer wall of the insulating sleeve (2) is provided with a copper wire woven layer (3), the outer wall of the copper wire woven layer (3) is provided with a waterproof layer (4), the outer wall of the waterproof layer (4) is sleeved with a heat insulation sleeve (5), the outer wall of the heat insulation sleeve (5) is spirally wound with a heat conduction hose (9), the interior of the heat-conducting hose (9) is provided with cooling liquid (10), the outer wall of the heat-conducting hose (9) is connected with the flame-retardant layer (8) through heat-conducting glue, the outer wall fixedly connected with flame retardant coating (7) of fire-retardant layer (8), the outer wall coating of flame retardant coating (7) has protective coating (6), adjacent two rings be equipped with the air chamber between heat conduction hose (9), and the inside packing of air chamber has fire-retardant gas (11).
2. Fire-resistant type environmentally friendly cable according to claim 1, wherein the cooling liquid (10) is an insulating cooling liquid.
3. Fire-resistant type environmentally friendly cable according to claim 1, wherein the fire-retardant layer (8) is a flexible tubular body made of halogen-free PVC.
4. The fire-resistant type environment-friendly cable according to claim 1, wherein the fire-resistant layer (7) is made by winding fire-resistant cloth, and the surface wall of the fire-resistant layer (7) is coated with fire-resistant paint.
5. Fire-resistant environmentally friendly cable according to claim 1, wherein the protective coating (6) comprises a wear-resistant coating, a water-resistant coating and an anti-corrosion coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723781.2U CN214796876U (en) | 2021-04-09 | 2021-04-09 | Fire-resistant type environmental protection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120723781.2U CN214796876U (en) | 2021-04-09 | 2021-04-09 | Fire-resistant type environmental protection cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796876U true CN214796876U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202120723781.2U Active CN214796876U (en) | 2021-04-09 | 2021-04-09 | Fire-resistant type environmental protection cable |
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| Country | Link |
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| CN (1) | CN214796876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999720A (en) * | 2022-06-13 | 2022-09-02 | 虹峰电缆股份有限公司 | Fire-resistant control cable |
-
2021
- 2021-04-09 CN CN202120723781.2U patent/CN214796876U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999720A (en) * | 2022-06-13 | 2022-09-02 | 虹峰电缆股份有限公司 | Fire-resistant control cable |
| CN114999720B (en) * | 2022-06-13 | 2023-07-11 | 虹峰电缆股份有限公司 | Fire-resistant control cable |
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