Fireproof network cable

Abstract

The utility model discloses a fireproof network cable, comprising a threading sheath and a coating layer, the center of the threading sheath is provided with a first filling cavity, a positioning wire core is arranged in the first filling cavity in a penetrating manner, the outer side of the positioning wire core is coated with a first insulating sheath, the outer side of the first insulating sheath is sleeved with a first waterproof sheath, and the outer side of the first waterproof sheath is coated with a second waterproof sheath. A first filling cavity is formed between the outer side of the first waterproof sheath and the inner wall of the first filling cavity, a first fireproof filler is filled between the outer side of the first waterproof sheath and the inner wall of the first filling cavity, the outer side of the threading sheath is coated with a coating layer, six heat dissipation cavities are formed between the inner wall of the coating layer and the outer side wall of the threading sheath, and the heat dissipation cavities are filled with heat conduction liquid. The beneficial effects are that the heat conduction liquid and the partition plate in the heat dissipation cavity are used to disperse burning heat along the length direction of the fireproof network cable, damage or fire combustion caused by local overheating of the fireproof network cable due to open fire burning is prevented, the fireproof performance of the cable is improved, open fire can be prevented from entering the heat dissipation cavity to spread, and the service life of the cable is prolonged. And the use safety is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of network cables, in particular to a fire-resistant network cable. Background Art

[0002] Network cables are the medium for transmitting information from one network device (such as a computer) to another network device. They are the basic components of the network and are widely used in local area network connections. As network cables are used more and more widely, they are used more and more in all walks of life. In some special industries, such as construction, working conditions and machinery, the environment in which network cables are used is relatively harsh.

[0003] The prior art discloses a fire-resistant network cable with publication number: CN216772896U, particularly in the field of electric wires and cables, which includes a positioning core and a plurality of cable cores, the surrounding side of the positioning core is coated with a plurality of elastic heat insulation strips corresponding to the cable cores, an armor is arranged between adjacent elastic heat insulation strips, the armor and the adjacent elastic heat insulation strips are surrounded to form a heat dissipation cavity, and the outer side of the plurality of cable cores is coated with a cable layer structure. The utility model has the effect of improving the fire resistance of the cable and reducing the probability of dangerous situations.

[0004] When the utility model is in use, the heat dissipation cavity enclosed between the insulating rubber strip and the arc-shaped heat insulation board is utilized. When a certain part of the cable is caught in fire and burns, the heat generated by the burning is spread and dispersed along the length direction of the cable to extend the fire resistance of the cable. However, the thermal conductivity of the air in the heat dissipation cavity is relatively general, and the heat dissipation effect of open flame burning is relatively general. Once the open flame enters the heat dissipation cavity through the cracks, the combustible materials in the heat dissipation cavity, together with the open flame and air, will cause the fire to quickly ignite and burn along the direction of the heat dissipation cavity, thereby causing large-scale burning inside the cable, posing certain safety hazards. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a fire-resistant network cable, which utilizes the heat-conducting liquid in the heat dissipation cavity to quickly dissipate the heat caused by open flames, thereby improving the fire resistance of the cable and preventing open flames from entering the heat dissipation cavity and spreading, thereby having the advantages of higher safety in use, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned advantage of using the heat-conducting liquid in the heat dissipation cavity to quickly dissipate the heat caused by the burning of the open flame, improve the fire resistance of the cable, and prevent the open flame from entering the heat dissipation cavity and spreading, and have the advantage of higher safety in use, the specific technical scheme adopted by the utility model is as follows: a fire-resistant network cable, including a threading sheath and a covering layer, a first filling cavity is opened in the center of the threading sheath, and a positioning wire core is arranged through the first filling cavity, the outer side of the positioning wire core is covered with a first insulating sheath, and the outer side of the first insulating sheath is sleeved with a first waterproof sheath, and the first waterproof sheath A first fireproof filler is filled between the outer side and the inner wall of the first filling cavity, six second filling cavities are evenly opened on the edge of the threading sheath, and a cable core is penetrated in the second filling cavity, the outer side of the cable core is covered with a second insulating sheath, and a second waterproof sheath is sleeved on the outer side of the second insulating sheath, and a second fireproof filler is filled between the outer side of the second waterproof sheath and the inner wall of the second filling cavity, the outer side of the threading sheath is covered with a coating layer, six heat dissipation cavities are formed between the inner wall of the coating layer and the outer side wall of the threading sheath, and the heat dissipation cavities are filled with heat transfer liquid.

[0009] Furthermore, the coating layer includes a waterproof lining layer, a steel wire armor layer, a shielding layer, a fireproof expansion layer, an outer sheath, and a high temperature resistant coating in sequence from the inside to the outside.

[0010] Furthermore, a plurality of partition plates are evenly and fixedly installed in the heat dissipation cavity.

[0011] Furthermore, the cross-section of the threading sheath is in the shape of a hexagonal star.

[0012] Furthermore, the shielding layer is woven from tinned copper wires.

[0013] Furthermore, the outer sheath is formed by cross-linking mica tapes.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a fire-resistant network cable, which has the following beneficial effects:

[0016] (1) The utility model is provided with a threading sheath and a heat dissipation cavity. A first filling cavity is provided in the center of the threading sheath, and a positioning wire core is provided in the first filling cavity. The outer side of the positioning wire core is covered with a first insulating sheath, and the outer side of the first insulating sheath is sleeved with a first waterproof sheath, and a first fireproof filler is filled between the outer side of the first waterproof sheath and the inner wall of the first filling cavity. Six second filling cavities are evenly provided on the edge of the threading sheath, and a cable core is provided in the second filling cavity. The outer side of the cable core is covered with a second insulating sheath, and the outer side of the second insulating sheath is sleeved with a second waterproof sheath, and a second fireproof filler is filled between the outer side of the second waterproof sheath and the inner wall of the second filling cavity. The outer side of the threading sheath is covered with a coating layer, and six heat dissipation cavities are formed between the inner wall of the coating layer and the outer side wall of the threading sheath. The heat dissipation cavity is filled with There is a heat-conducting fluid, and a number of partitions are evenly arranged in the heat dissipation cavity. When an open flame occurs in the outside, the burning heat will first be conducted to the heat dissipation cavity. The heat-conducting fluid and the partitions in the heat dissipation cavity can be used to disperse the burning heat along the length direction of the fire-resistant network cable, thereby preventing the open flame from burning and causing local overheating of the fire-resistant network cable to cause damage or fire. Even if the open flame enters the heat dissipation cavity through the cracks in the coating layer, the open flame cannot ignite the heat-conducting fluid. The heat-conducting fluid can be water, and the heat-conducting fluid can resist the entry of the open flame, further improving the fire resistance of the cable. The partitions can separate the heat-conducting fluid to prevent the coating from rupturing and causing all the heat-conducting fluid to leak, so that the fire-resistant network cable can use the heat-conducting fluid in the heat dissipation cavity to quickly dissipate the heat of the open flame, thereby improving the fire resistance of the cable, and preventing the open flame from entering the heat dissipation cavity and spreading, which is safer to use.

[0017] (2) The utility model is provided with a coating layer, a wire threading sheath, a first fireproof filler and a second fireproof filler. As described above, the positioning wire core is fixed in the first filling cavity by the first fireproof filler, which not only improves the stability of the positioning wire core and makes it difficult to move or dislocate, but also improves the fire resistance of the positioning wire core. The cable core is fixed in the second filling cavity by the second fireproof filler, which not only improves the stability of the cable core and makes it difficult to move or dislocate, but also improves the fire resistance of the cable core. The coating layer includes a waterproof lining layer, a steel wire armor layer, a shielding layer, a fireproof expansion layer, an outer sheath and a high-temperature resistant coating from the inside to the outside, which can not only provide wear-resistant protection for the internal wire threading sheath, the positioning wire core and the cable core, but also the fireproof expansion layer and the high-temperature resistant coating can initially resist the burning of external fires, further improving the fire resistance of the fire-resistant network cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 is a schematic structural diagram of a fire-resistant network cable according to an embodiment of the utility model;

[0020] Figure 2 is a cross-sectional view of a coating layer of a fire-resistant network cable according to an embodiment of the utility model;

[0021] Figure 3 According to the embodiment of the utility model Figure 1 A magnified image of point A;

[0022] Figure 4 It is a stereoscopic diagram of a threading sheath of a fire-resistant network cable according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Positioning core; 2. Cable core; 3. Coating layer; 31. Waterproof lining layer; 32. Steel wire armor layer; 33. Shielding layer; 34. Fireproof expansion layer; 35. Outer sheath; 36. High temperature resistant coating; 4. Threading sheath; 5. Heat dissipation cavity; 6. Thermal fluid; 7. First insulating sheath; 8. First waterproof sheath; 9. First fireproof filler; 10. Second insulating sheath; 11. Second waterproof sheath; 12. Second fireproof filler; 13. First filling cavity; 14. Second filling cavity; 15. Partition plate. DETAILED DESCRIPTION

[0025] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0026] According to an embodiment of the utility model, a fire-resistant network cable is provided.

[0027] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4As shown, according to the fire-resistant network cable of the embodiment of the utility model, it includes a threading sheath 4 and a coating layer 3, a first filling cavity 13 is opened in the center of the threading sheath 4, and a positioning core 1 is arranged in the first filling cavity 13, the outer side of the positioning core 1 is coated with a first insulating sheath 7, and the outer side of the first insulating sheath 7 is sleeved with a first waterproof sheath 8, and the outer side of the first waterproof sheath 8 and the inner wall of the first filling cavity 13 are filled with a first fireproof filler 9, six second filling cavities 14 are evenly opened on the edge of the threading sheath 4, and a cable core 2 is arranged in the second filling cavity 14, and the outer side of the cable core 2 is coated with a first fireproof filler 9. Two insulating sheaths 10 are provided, and a second waterproof sheath 11 is sleeved on the outside of the second insulating sheath 10, and a second fireproof filler 12 is filled between the outside of the second waterproof sheath 11 and the inner wall of the second filling cavity 14, and the outside of the threading sheath 4 is coated with a covering layer 3, and six heat dissipation cavities 5 are formed between the inner wall of the covering layer 3 and the outer wall of the threading sheath 4, and the heat dissipation cavities 5 are filled with heat-conducting liquid 6, which enables the fire-resistant network cable to utilize the heat-conducting liquid 6 in the heat dissipation cavity 5 to quickly dissipate the burning of open flames, thereby improving the fire resistance of the cable, and can prevent open flames from entering the heat dissipation cavity 5 and spreading, so that the use safety is higher.

[0028] In one embodiment, the covering layer 3 includes a waterproof lining layer 31, a steel wire armor layer 32, a shielding layer 33, a fireproof expansion layer 34, an outer sheath 35, and a high temperature resistant coating 36 from the inside to the outside, which not only provides wear-resistant protection for the internal threading sheath 4, the positioning core 1 and the cable core 2, but also the fireproof expansion layer 34 and the high temperature resistant coating 36 can also initially resist the burning of external fires, further improving the fire resistance of the fire-resistant network cable.

[0029] In one embodiment, a plurality of partition plates 15 are evenly and fixedly installed in the heat dissipation cavity 5 , so as to separate the thermal conductive fluid 6 and prevent the leakage of all the thermal conductive fluid 6 due to a rupture of one part of the coating layer 3 .

[0030] In one embodiment, the cross-section of the threading sheath 4 is in the shape of a hexagonal star.

[0031] In one embodiment, the shielding layer 33 is braided with tinned copper wires.

[0032] In one embodiment, the outer sheath 35 is made of cross-linked mica tapes.

[0033] Working principle: The utility model is provided with a threading sheath 4 and a heat dissipation cavity 5, a first filling cavity 13 is provided in the center of the threading sheath 4, and a positioning wire core 1 is provided in the first filling cavity 13, the outer side of the positioning wire core 1 is covered with a first insulating sheath 7, and the outer side of the first insulating sheath 7 is sleeved with a first waterproof sheath 8, and the outer side of the first waterproof sheath 8 and the inner wall of the first filling cavity 13 are filled with a first fireproof filler 9, six second filling cavities 14 are evenly provided on the edge of the threading sheath 4, and a cable core 2 is provided in the second filling cavity 14, the outer side of the cable core 2 is covered with a second insulating sheath 10, and the outer side of the second insulating sheath 10 is sleeved with a second waterproof sheath 11, and the second waterproof A second fireproof filler 12 is filled between the outer side of the sheath 11 and the inner wall of the second filling cavity 14, the outer side of the threading sheath 4 is coated with a coating layer 3, and six heat dissipation cavities 5 are formed between the inner wall of the coating layer 3 and the outer wall of the threading sheath 4, the heat dissipation cavities 5 are filled with a heat transfer fluid 6, and a plurality of partition plates 15 are evenly arranged in the heat dissipation cavity 5. When an open flame occurs in the outside, the burning heat will first be conducted to the heat dissipation cavity 5. The heat transfer fluid 6 and the partition plates 15 in the heat dissipation cavity 5 can be used to disperse the burning heat along the length direction of the fire-resistant network cable, so as to prevent the fire-resistant network cable from being locally overheated and damaged or catching fire due to the burning of the open flame, and even if the open flame enters the heat dissipation cavity 5 through the cracks in the coating layer 3, the open flame cannot ignite The heat-conducting liquid 6 can be water, and the heat-conducting liquid 6 can resist the entry of open flames, further improving the fire resistance of the cable. The partition plate 15 can separate the heat-conducting liquid 6 to prevent the coating layer 3 from rupturing and causing all the heat-conducting liquid 6 to leak, so that the fire-resistant network cable can use the heat-conducting liquid 6 in the heat dissipation cavity 5 to quickly dissipate the heat of the open flame, thereby improving the fire resistance of the cable and preventing the open flame from entering the heat dissipation cavity 5 and spreading, which is safer to use. In addition, the utility model is provided with a coating layer 3, a threading sheath 4, a first fireproof filler 9 and a second fireproof filler 12. As described above, the positioning core 1 is fixed in the first filling cavity 13 by the first fireproof filler 9, which not only improves the stability of the positioning core 1 The cable core 2 is fixed in the second filling cavity 14 by the second fireproof filler 12, which not only improves the stability of the cable core 2, but also makes it difficult to move and dislocate, and improves the fire resistance of the cable core 2. The sheath 3 includes a waterproof lining layer 31, a steel wire armor layer 32, a shielding layer 33, a fireproof expansion layer 34, an outer sheath 35, and a high-temperature resistant coating 36 from the inside to the outside, which can not only provide wear-resistant protection for the internal threading sheath 4, the positioning core 1 and the cable core 2, but also the set fireproof expansion layer 34 and the high-temperature resistant coating 36 can initially resist the burning of external fires, further improving the fire resistance of the fire-resistant network cable.

[0034] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fire-resistant network cable, comprising a threading sheath (4) and a coating layer (3), characterized in that: The threading sheath (4) is provided with a first filling cavity (13) at the center, and a positioning wire core (1) is provided in the first filling cavity (13), the positioning wire core (1) is covered with a first insulating sheath (7) on the outside, and a first waterproof sheath (8) is sleeved on the outside of the first insulating sheath (7), and a first fireproof filler (9) is filled between the outside of the first waterproof sheath (8) and the inner wall of the first filling cavity (13), and six second filling cavities (14) are evenly provided at the edge of the threading sheath (4), and a positioning wire core (1) is provided in the second filling cavity (14). A cable core (2) is arranged, the outer side of the cable core (2) is covered with a second insulating sheath (10), the outer side of the second insulating sheath (10) is sleeved with a second waterproof sheath (11), and a second fireproof filler (12) is filled between the outer side of the second waterproof sheath (11) and the inner wall of the second filling cavity (14), the outer side of the threading sheath (4) is covered with a coating layer (3), six heat dissipation cavities (5) are formed between the inner wall of the coating layer (3) and the outer side wall of the threading sheath (4), and the heat dissipation cavities (5) are filled with a heat transfer liquid (6).

2. The fire-resistant network cable according to claim 1, characterized in that: The coating layer (3) comprises, from the inside to the outside, a waterproof lining layer (31), a steel wire armor layer (32), a shielding layer (33), a fireproof expansion layer (34), an outer sheath (35), and a high temperature resistant coating (36).

3. The fire-resistant network cable according to claim 1, characterized in that: A plurality of partition plates (15) are evenly and fixedly installed in the heat dissipation cavity (5).

4. The fire-resistant network cable according to claim 1, characterized in that: The cross-sectional shape of the threading sheath (4) is a hexagonal star.

5. The fire-resistant network cable according to claim 2, characterized in that: The shielding layer (33) is woven from tinned copper wires.

6. The fire-resistant network cable according to claim 2, characterized in that: The outer sheath (35) is made of cross-linked mica tapes.

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