CN218159741U - Halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable - Google Patents
Halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable Download PDFInfo
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- CN218159741U CN218159741U CN202221706365.2U CN202221706365U CN218159741U CN 218159741 U CN218159741 U CN 218159741U CN 202221706365 U CN202221706365 U CN 202221706365U CN 218159741 U CN218159741 U CN 218159741U
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Abstract
The utility model discloses a halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable, which improves the structural stability of cable cores by arranging a plurality of cable cores and forming a multi-group twisted structure; the mica tape is arranged in the cable core to cover the conductor layer, and the conductor layer adopts a stranded structure of a plurality of copper wires, so that the fire resistance and the flame retardant property of the cable are improved; the isolating sleeve, the weaving layer and the flame-retardant layer are coated outside the cable core, so that the flame-retardant property of the cable is further improved; the outermost layer of the cable is provided with the sheath made of the irradiation cross-linked polyethylene material, so that the flame retardant property of the cable is further improved, gas generated when the cable is burnt in a fire disaster is reduced, the environmental friendliness of the cable is improved, and the cable can be widely applied to the technical field of cables.
Description
Technical Field
The utility model belongs to the technical field of the cable technique and specifically relates to a there is not steamed fire-retardant fire-resistant environmental protection cable of low cigarette.
Background
The flexible wire for connection is suitable for power transmission lines and control, illumination and communication paths, and can also be used for connecting and installing moving mechanical parts and the like in a closed indoor environment.
The existing flexible electric wire for connection generally adopts a polyvinyl chloride material, but the polyvinyl chloride material has poor environmental protection performance and structural stability, and along with the extension of the service life, the insulation of the cable is easy to break, thereby affecting the flame retardant property of the cable, and meanwhile, harmful or high smoke gas is easy to release when the cable is in a fire disaster, thereby affecting the personal safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable is provided to improve the flame retardant property, the structural stability and the environmental protection property of the cable.
The utility model adopts the technical proposal that:
a halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable comprises:
the cable comprises a plurality of cable cores, wherein the cable cores form a multi-group twisting structure, each cable core comprises a conductor layer and a mica tape, the conductor layer is coated by the mica tape, and the conductor layer adopts a twisting structure of a plurality of copper wires;
the isolating sleeve coats the cable core;
the braided layer is arranged on one side, away from the cable core, of the isolating sleeve;
the flame-retardant layer is arranged on one side, far away from the isolation sleeve, of the woven layer in a wrapping mode;
the sheath is coated on one side, far away from the woven layer, of the flame-retardant layer and is made of irradiation cross-linked polyethylene materials.
Further, the mica tape is made of a phlogopite material.
Further, the cable core still includes the insulating layer, the insulating layer cladding sets up the mica tape is kept away from one side of conductor layer.
Further, the insulating layer comprises a first insulating layer and a second insulating layer, the first insulating layer is arranged on one side, away from the conductor layer, of the mica tape in a wrapping mode, and the second insulating layer is arranged on one side, away from the mica tape, of the first insulating layer in a wrapping mode.
Further, the insulating layer is made of a thermosetting material.
Further, the isolation sleeve is made of polyethylene materials.
Further, the braided layer adopts the copper wire.
Further, the flame-retardant layer adopts a high-flame-retardant wrapping tape.
Further, a wrapping layer is arranged between the isolation sleeve and the woven layer, and the wrapping layer is made of polyester tapes.
The beneficial effects of the utility model are that:
the utility model relates to a there is not steamed low fire-retardant fire-resistant environmental protection cable of cigarette, through setting up many cable cores and forming multiunit hank type structure, promoted the structural stability of cable core; the mica tape is arranged in the cable core to cover the conductor layer, and the conductor layer adopts a stranded structure of a plurality of copper wires, so that the fire resistance and the flame retardant property of the cable are improved; the isolating sleeve, the weaving layer and the flame-retardant layer are coated outside the cable core, so that the flame-retardant property of the cable is further improved; through set up the sheath that adopts irradiation crosslinked polyethylene material outermost in the cable, further improved the fire behaviour of cable again, reduced the gas that the cable produced when meeting with the fire burning simultaneously, promoted the feature of environmental protection of cable.
Drawings
Fig. 1 is the structure schematic diagram of the utility model relates to a there is not steamed fire-retardant fire-resistant environmental protection cable of low cigarette.
Reference numerals are as follows: 110. a cable core; 111. a conductor layer; 112. mica tapes; 113. a first insulating layer; 114. a second insulating layer; 120. an isolation sleeve; 130. weaving layer; 140. a flame retardant layer; 150. a sheath; 160. and (6) wrapping a covering.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on 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, a plurality of means are one or more, a plurality of means are two or more, and the term "greater than, less than, more than, etc. is not intended to include the number. If there is a description to first, second, third etc. for the purpose of distinguishing between technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated or to implicitly indicate the precedence of technical features indicated.
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, a halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable includes:
the cable comprises a plurality of cable cores 110, wherein the cable cores 110 form a multi-group twisted structure, each cable core 110 comprises a conductor layer 111 and a mica tape 112, the conductor layer 111 is coated by the mica tape 112, and the conductor layer 111 adopts a twisted structure of a plurality of copper wires;
the isolation sleeve 120, the isolation sleeve 120 coats the cable core 110;
the braided layer 130, the braided layer 130 is arranged on one side of the isolation sleeve 120 far away from the cable core 110;
the flame-retardant layer 140 is coated on one side, far away from the isolation sleeve 120, of the woven layer 130;
and the sheath 150, the sheath 150 is coated on the side of the flame-retardant layer 140 far away from the woven layer 130, and the sheath 150 is made of radiation cross-linked polyethylene.
The structure stability of the cable is enhanced by a multi-group twisting structure formed by the plurality of cable cores 110; the mica tape 112 releases crystal water at the temperature of over 800 ℃, so that the temperature of the conductor layer 111 is reduced, and the mica tape has excellent fire resistance; the mica tape 112 has good electrical insulation performance, so that the cable still has good electrical insulation among the cable cores 110 under high-temperature combustion.
The utility model relates to a there is not steamed low fire-retardant fire-resistant environmental protection cable of cigarette, through setting up many cable cores 110 and forming multiunit hank type structure, promoted the structural stability of cable core 110; the mica tape 112 is arranged in the cable core 110 to cover the conductor layer 111, and the conductor layer 111 adopts a stranded structure of a plurality of copper wires, so that the fire resistance and the flame retardant property of the cable are improved; the flame retardant performance of the cable is further improved by coating the isolating sleeve 120, the braided layer 130 and the flame retardant layer 140 outside the cable core 110; the sheath 150 made of the irradiation cross-linked polyethylene material is arranged on the outermost layer of the cable, so that the flame retardant property of the cable is further improved, gas generated when the cable is burnt in a fire disaster is reduced, and the environmental protection property of the cable is improved.
As an alternative embodiment, the mica tape 112 is made of a phlogopite material.
As an optional embodiment, the cable core 110 further includes an insulating layer, and the insulating layer is disposed on a side of the mica tape 112 away from the conductor layer 111.
As an optional embodiment, the insulating layer includes a first insulating layer 113 and a second insulating layer 114, the first insulating layer 113 is coated and disposed on a side of the mica tape 112 away from the conductor layer 111, and the second insulating layer 114 is coated and disposed on a side of the first insulating layer 113 away from the mica tape 112.
As an alternative embodiment, the insulating layer is made of a thermosetting material.
As an alternative embodiment, the isolation sleeve 120 is made of polyethylene.
As an alternative embodiment, the braided layer 130 is a copper wire.
As an alternative embodiment, the flame retardant layer 140 is a high flame retardant wrapping tape.
As an alternative embodiment, a wrapping layer 160 is disposed between the isolation sleeve 120 and the woven layer 130, and the wrapping layer 160 is made of polyester tape.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that the present invention is not limited to the particular embodiments disclosed, but is intended to cover various modifications, equivalents and alternatives falling within the spirit and scope of the present invention as defined by the appended claims.
Claims (9)
1. A halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable is characterized by comprising:
the cable comprises a plurality of cable cores, wherein the cable cores form a multi-group stranded structure, each cable core comprises a conductor layer and a mica tape, the conductor layer is coated by the mica tape, and the conductor layer adopts a stranded structure of a plurality of copper wires;
the isolation sleeve coats the cable core;
the braided layer is arranged on one side, away from the cable core, of the isolation sleeve;
the flame-retardant layer is arranged on one side, far away from the isolation sleeve, of the woven layer in a wrapping mode;
the sheath is coated on one side, far away from the woven layer, of the flame-retardant layer and made of irradiation cross-linked polyethylene materials.
2. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, wherein the mica tape is made of a phlogopite material.
3. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, wherein the cable core further comprises an insulating layer, and the insulating layer is coated on one side of the mica tape away from the conductor layer.
4. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 3, wherein the insulating layer comprises a first insulating layer and a second insulating layer, the first insulating layer is coated and arranged on one side of the mica tape far away from the conductor layer, and the second insulating layer is coated and arranged on one side of the mica tape far away from the first insulating layer.
5. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 3, wherein the insulating layer is made of a thermosetting material.
6. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, wherein the spacer sleeve is made of polyethylene.
7. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, characterized in that the braided layer is a copper wire.
8. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, characterized in that the flame-retardant layer adopts a high-flame-retardant wrapping tape.
9. The halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable according to claim 1, characterized in that a wrapping layer is arranged between the isolation sleeve and the woven layer, and the wrapping layer is made of a polyester tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706365.2U CN218159741U (en) | 2022-07-04 | 2022-07-04 | Halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221706365.2U CN218159741U (en) | 2022-07-04 | 2022-07-04 | Halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable |
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| Publication Number | Publication Date |
|---|---|
| CN218159741U true CN218159741U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221706365.2U Active CN218159741U (en) | 2022-07-04 | 2022-07-04 | Halogen-free low-smoke flame-retardant fire-resistant environment-friendly cable |
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| CN (1) | CN218159741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118053622A (en) * | 2024-04-11 | 2024-05-17 | 广州南洋电缆集团有限公司 | Low-smoke halogen-free flame-retardant B1-level fireproof electric wire and manufacturing system thereof |
-
2022
- 2022-07-04 CN CN202221706365.2U patent/CN218159741U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118053622A (en) * | 2024-04-11 | 2024-05-17 | 广州南洋电缆集团有限公司 | Low-smoke halogen-free flame-retardant B1-level fireproof electric wire and manufacturing system thereof |
| CN118053622B (en) * | 2024-04-11 | 2024-09-20 | 广州南洋电缆集团有限公司 | Low-smoke halogen-free flame-retardant B1-level fireproof electric wire and manufacturing system thereof |
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