Fireproof data cable
By introducing elastic fire mounts and multi-layer protective structures into the cables, the problem of poor fire resistance of existing cables is solved, and the vibration and fire resistance performance is significantly improved, ensuring the stability and service life of the cable under external forces.
Patent Information
- Application Number
- CN202420641038.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-30
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-30
AI Technical Summary
The existing cables have poor fire resistance, especially when they are affected by external forces, which leads to damage to the conductor and affects the normal use of the cable.
A fire-proof data cable is designed, adopting an elastic fire mount and a multi-layer protective structure, including a waterproof layer, a first fire-proof layer, an oxygen barrier layer, a first buffer layer and a second fire-proof layer, and is filled with impact-resistant in the cable core assembly. Packing, which increases the vibration resistance and protection of the cable.
It effectively improves the protection performance of the cable, avoids damage in long-term vibration environments, and significantly enhances fire resistance, ensuring the stability and service life of the cable under external forces.
Smart Images
Figure CN222167994U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cables, in particular to a fireproof data cable. Background Art
[0002] The existing cables have poor fireproof capabilities, and when the fireproof cables encounter external forces, the effect of resisting the external forces is poor, and the protection effect on the conductors inside the fireproof cables is poor. As a result, when the fireproof cables are affected by external forces, the conductors inside the fireproof cables will be damaged, thereby affecting the normal use of the fireproof cables.
[0003] Based on the above situation, the utility model proposes a fireproof data cable, which can effectively solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide a fireproof data cable. The fireproof data cable of the utility model has a simple structure and is easy to use. By setting an elastic fireproof frame, multiple cables can be installed together to increase the line current carrying capacity and avoid damage to the cable in a long-term vibration laying environment. At the same time, a waterproof layer, a first fireproof layer, an oxygen isolation layer, a first buffer layer, and a second fireproof layer are also set to improve the various protective properties of the cable.
[0005] The utility model is realized by the following technical solutions:
[0006] A fireproof data cable, comprising an elastic fireproof frame and a plurality of fireproof cables, wherein the elastic fireproof frame is provided with a plurality of cable installation holes in an inner ring, a first through hole is provided in the middle of the elastic fireproof frame, a second through hole is provided between every two of the cable installation holes, the cable installation holes are provided with openings communicating with the outer side of the elastic fireproof frame, the first through hole is circular, and the second through hole is elliptical;
[0007] The fireproof cable includes a waterproof layer, a first fireproof layer, an oxygen isolation layer, a first buffer layer, a second fireproof layer, and a cable core assembly, which are arranged in sequence from the outside to the inside. The fireproof layer and the cable core assembly are filled with impact-resistant fillers, and the first buffer layer includes a plurality of first buffer pads arranged in a circumferential direction.
[0008] The purpose of the utility model is to provide a fireproof data cable. The fireproof data cable of the utility model has a simple structure and is easy to use. By setting an elastic fireproof frame, multiple cables can be installed together to increase the line current carrying capacity and avoid damage to the cable in a long-term vibration laying environment. At the same time, a waterproof layer, a first fireproof layer, an oxygen isolation layer, a first buffer layer, and a second fireproof layer are also set to improve the various protective properties of the cable.
[0009] Preferably, the first fireproof layer is a double-sheath fireproof layer, and the double-sheath fireproof layer is a double-layer polyolefin sheath layer.
[0010] Preferably, the cable core assembly includes a support column and a plurality of cable cores surrounding the outside of the support column, the cable core includes a second buffer layer, an insulating layer and copper wire arranged in sequence from the outside to the inside, and the second buffer layer includes a plurality of second buffer pads arranged along the circumferential direction.
[0011] Preferably, a protective layer is provided on the outer side of the support column.
[0012] Preferably, the second fireproof layer comprises a double insulating fireproof layer and a heat insulation layer which are arranged sequentially from the outside to the inside.
[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects:
[0014] The fireproof data cable of the utility model has a simple structure and is easy to use. By arranging an elastic fireproof frame, multiple cables can be installed together to increase the line current carrying capacity and avoid damage to the cables in a long-term vibrating laying environment. At the same time, a waterproof layer, a first fireproof layer, an oxygen isolation layer, a first buffer layer, and a second fireproof layer are also arranged to improve the various protective properties of the cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the elastic fireproof frame of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the fireproof cable of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the cable core of the utility model. DETAILED DESCRIPTION
[0019] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.
[0020] Embodiment 1:
[0021] like Figures 1 to 4As shown, the utility model provides a fireproof data cable, including an elastic fireproof frame 1 and a plurality of fireproof cables 2, wherein the inner ring of the elastic fireproof frame 1 is provided with a plurality of cable installation holes 11, a first through hole 12 is opened in the middle of the elastic fireproof frame 1, a second through hole 13 is provided between every two of the cable installation holes 11, and the cable installation hole 11 is provided with an opening 14 communicating with the outer side of the elastic fireproof frame 1, the first through hole 12 is circular, and the second through hole 13 is elliptical;
[0022] The fireproof cable 2 includes a waterproof layer 21, a first fireproof layer 22, an oxygen isolation layer 23, a first buffer layer 24, a second fireproof layer 25, and a cable core assembly, which are arranged in sequence from the outside to the inside. An impact-resistant filler 26 is filled between the second fireproof layer 25 and the cable core assembly. The first buffer layer 24 includes a plurality of first buffer pads arranged in a circumferential direction.
[0023] Since the first through hole 12 and the second through hole 13 are elastic, the vibration resistance of the cable can be increased. The waterproof layer 21 can prevent water from entering the interior of the cable. The first fireproof layer 22 and the second fireproof layer 25 can greatly improve the fireproof ability of the cable. The first buffer layer 24 and the impact-resistant filler 26 are provided to prevent the cable from being greatly affected when subjected to external force.
[0024] Embodiment 2:
[0025] like Figures 1 to 4 As shown, the utility model provides a fireproof data cable, including an elastic fireproof frame 1 and a plurality of fireproof cables 2, wherein the inner ring of the elastic fireproof frame 1 is provided with a plurality of cable installation holes 11, a first through hole 12 is opened in the middle of the elastic fireproof frame 1, a second through hole 13 is provided between every two of the cable installation holes 11, and the cable installation hole 11 is provided with an opening 14 communicating with the outer side of the elastic fireproof frame 1, the first through hole 12 is circular, and the second through hole 13 is elliptical;
[0026] The fireproof cable 2 includes a waterproof layer 21, a first fireproof layer 22, an oxygen isolation layer 23, a first buffer layer 24, a second fireproof layer 25, and a cable core assembly, which are arranged in sequence from the outside to the inside. An impact-resistant filler 26 is filled between the second fireproof layer 25 and the cable core assembly. The first buffer layer 24 includes a plurality of first buffer pads arranged in a circumferential direction.
[0027] The first fireproof layer 22 is a double-sheath fireproof layer, and the double-sheath fireproof layer is a double-layer polyolefin sheath layer.
[0028] The double-layer polyolefin sheath has excellent high temperature resistance and combustion resistance, which improves the fireproof effect of the cable on the cable core assembly.
[0029] Furthermore, in another embodiment, the cable core assembly includes a support column 27 and a plurality of cable cores 28 surrounding the outside of the support column 27, the cable core 28 includes a second buffer layer 281, an insulating layer 282 and a copper wire 283 arranged sequentially from the outside to the inside, and the second buffer layer 281 includes a plurality of second buffer pads arranged along the circumferential direction.
[0030] The plurality of second buffer pads surrounding the insulating layer 282 can effectively provide impact resistance to the copper wire 283 .
[0031] Furthermore, in another embodiment, a protective layer 271 is provided on the outer side of the support column 27 .
[0032] The protective layer 271 can be provided to prevent the support column 27 from wearing the cable core assembly due to long-term friction.
[0033] Furthermore, the second fireproof layer 25 includes a double insulating fireproof layer 251 and a heat insulation layer 252 which are sequentially arranged from the outside to the inside.
[0034] Setting up two types of thermal insulation materials can greatly improve the fire prevention effect.
[0035] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the fireproof data cable of the utility model, and can produce the positive effects recorded in the utility model.
[0036] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.
[0037] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.
Claims
1. A fireproof data cable, characterized in that: It comprises an elastic fireproof frame and a plurality of fireproof cables, wherein the inner ring of the elastic fireproof frame is provided with a plurality of cable installation holes, a first through hole is opened in the middle of the elastic fireproof frame, a second through hole is provided between every two of the cable installation holes, the cable installation holes are provided with openings communicating with the outer side of the elastic fireproof frame, the first through hole is circular, and the second through hole is elliptical; The fireproof cable includes a waterproof layer, a first fireproof layer, an oxygen isolation layer, a first buffer layer, a second fireproof layer, and a cable core assembly, which are arranged in sequence from the outside to the inside. The fireproof layer and the cable core assembly are filled with impact-resistant fillers, and the first buffer layer includes a plurality of first buffer pads arranged in a circumferential direction.
2. The fireproof data cable according to claim 1, characterized in that: The first fireproof layer is a double-sheath fireproof layer, and the double-sheath fireproof layer is a double-layer polyolefin sheath layer.
3. The fireproof data cable according to claim 1, characterized in that: The cable core assembly includes a support column and a plurality of cable cores surrounding the outside of the support column. The cable core includes a second buffer layer, an insulating layer and copper wires arranged in sequence from the outside to the inside. The second buffer layer includes a plurality of second buffer pads arranged in a circumferential direction.
4. The fireproof data cable according to claim 3, characterized in that: A protective layer is provided on the outer side of the support column.
5. The fireproof data cable according to claim 1, characterized in that: The second fireproof layer comprises a double insulation fireproof layer and a heat insulation layer which are sequentially arranged from the outside to the inside.