CN209843344U - Fireproof flame-retardant cable - Google Patents

Fireproof flame-retardant cable Download PDF

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Publication number
CN209843344U
CN209843344U CN201920837318.3U CN201920837318U CN209843344U CN 209843344 U CN209843344 U CN 209843344U CN 201920837318 U CN201920837318 U CN 201920837318U CN 209843344 U CN209843344 U CN 209843344U
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CN
China
Prior art keywords
layer
fire
cable
fireproof
resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201920837318.3U
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Chinese (zh)
Inventor
李休雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hongxin Wire&cable Co ltd
Original Assignee
Hubei Special Cable Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Special Cable Group Co Ltd filed Critical Hubei Special Cable Group Co Ltd
Priority to CN201920837318.3U priority Critical patent/CN209843344U/en
Application granted granted Critical
Publication of CN209843344U publication Critical patent/CN209843344U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a fire prevention flame retarded cable belongs to cable technical field. The cable core is composed of a conductor and an insulating skin, the filling layer is filled with high-temperature-resistant thermosetting elastic silica gel, the fireproof layer is a metal corrugated pipe, the flame-retardant layer is composed of a fire-resistant mica tape, the insulating layer is formed by extruding a plurality of layers of double-faced reinforced synthetic mica tapes and cross-linked polyethylene, the fireproof tape is composed of ceramic fiber yarns, and the protective sleeve is composed of a fireproof material. The utility model discloses have better fire prevention fire resistance, and overall structure has better compliance.

Description

Fireproof flame-retardant cable
Technical Field
The utility model relates to the technical field of cables, concretely relates to fire prevention flame retarded cable.
Background
In social economy life, the cable is widely applied, and due to the problems in the aspects of manufacturing, installation, operation and the like, the possibility and the danger of fire hazard of the cable are high, once the fire hazard of the cable occurs, a power supply circuit of fire-fighting equipment is burnt, the fire-fighting equipment cannot normally operate, the fire extinguishing time is delayed, and therefore greater life and property losses are caused.
According to recent data statistics, fire accidents caused by electricity are high all the year round. In the case of an electrical fire, a fire caused by the burning of the electric wire or cable occurs in a large proportion due to the aging and overload use of the electric wire or cable. Therefore, the demand for the fire-retardant property of the cable is also increasing. The prior art cable has the problem of insufficient fire resistance and flame retardance.
SUMMERY OF THE UTILITY MODEL
Defect to prior art existence, the utility model aims to provide a fire prevention flame retarded cable has promoted the fire-retardant and the fire behavior of cable greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a fire-resistant, flame-retardant cable, comprising: the cable comprises a plurality of cable cores, a filling layer, a fireproof layer, a flame-retardant layer, an insulating layer, a fireproof belt and a protective sleeve;
the cable core comprises conductor and insulating skin, and the conductor comprises for the softer pure copper material of texture, and the insulating skin comprises for high temperature resistant insulating paper, and a plurality of cable core is kept apart each other, so set up, every cable core is independent each other, and high temperature resistant.
The filling layer is filled around the cable cores, and the filling layer is made of high-temperature-resistant thermosetting elastic silica gel, can resist high temperature of more than 1200 ℃ and can be normally used.
The fireproof layer wraps a plurality of cable cores and the filling layer inside the cable cores and is rounded into a round shape, and the fireproof layer is made of a metal corrugated pipe; the metal corrugated pipe is flexible, bendable and high-temperature resistant, and can effectively isolate the damage of external flame to the internal cable.
The flame-retardant layer is formed by winding a plurality of layers of fire-resistant mica tapes, and the fire-resistant mica tapes can bear the high temperature of 1000 ℃ and have better insulation and aging resistance.
The insulating layer is formed by extruding and wrapping a plurality of layers of double-sided reinforced synthetic mica tapes and crosslinked polyethylene, a plurality of grooves are uniformly distributed on the outer circumference, and the insulating layer formed by extruding and wrapping the plurality of layers of double-sided reinforced synthetic mica tapes and the crosslinked polyethylene can bear the high voltage of at least 5000V without being punctured.
The fireproof belt is composed of ceramic fiber yarns, and the ceramic fiber yarns can bear the high temperature of at least 1500 ℃.
The protective sleeve is arranged on the outermost layer;
the fire-proof layer, the flame-retardant layer, the insulating layer, the fireproof belt and the protective sleeve are sequentially distributed outside the cable cores and the filling layer.
Further, the insulating sheath is 6640 polyester film polyaramide fiber paper soft composite material with the thickness of 2 mm.
Furthermore, the flame-retardant layer is a fire-resistant mica tape with the thickness of 0.5mm, and the number of layers wound on the fireproof layer (3) is 3-6.
Furthermore, the fireproof belt is made of ceramic fiber materials with the diameter of 0.1 mm-0.3 mm, and plays roles of insulation and heat insulation.
Furthermore, the protective sleeve is made of polyvinyl chloride or a low-smoke halogen-free material.
Compared with the prior art, the beneficial effects of the utility model are that:
the multiple protection setting of filling layer, fire-retardant layer, lag and fire-resistant synthetic mica tape makes the utility model discloses a flame retardant efficiency is better.
Drawings
Fig. 1 is the utility model relates to a fire prevention flame retarded cable's structural schematic diagram.
The meanings of the symbols in fig. 1 are as follows:
1-cable core, 1-conductor, 1-2-insulating skin, 2-filling layer, 3-flame retardant layer, 4-flame retardant layer, 5-insulating layer, 6-fireproof belt 7-protective sheath.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The utility model discloses a fire prevention flame retarded cable preferred embodiment constitutes as shown in figure 1, include: the cable comprises a plurality of cable cores 1, a filling layer 2, a fireproof layer 3, a flame-retardant layer 4, an insulating layer 5, a fireproof belt 6 and a protective sleeve 7;
the cable core 1 is composed of a conductor 1-1 and an insulating sheath 1-2, the conductor 1-1 is made of a pure copper material with soft texture, the insulating sheath 1-2 is made of high-temperature-resistant insulating paper, further, the insulating sheath 1-2 is made of 6640 polyester film polyaramide fiber paper soft composite materials with the thickness of 2mm, and the cable cores 1 are isolated from one another.
The filling layer 2 is filled around the cable cores 1, and the filling layer 2 is made of high-temperature-resistant thermosetting elastic silica gel;
the fireproof layer 3 is formed by wrapping a plurality of cable cores 1 and the filling layer 2 inside the cable cores and is rounded into a round shape, and the fireproof layer 3 is made of a metal corrugated pipe;
the flame-retardant layer 4 is formed by winding a plurality of layers of fire-resistant mica tapes, further, the flame-retardant layer 4 is a fire-resistant mica tape with the thickness of 0.5mm, the number of layers wound on the fireproof layer 3 is 3-6, and 5 layers are preferred in the embodiment.
The insulating layer 5 is formed by extruding and wrapping a plurality of layers of double-sided reinforced synthetic mica tapes and crosslinked polyethylene, and a plurality of grooves are uniformly distributed on the outer circumference;
the fireproof belt 6 is made of ceramic fiber yarns, and further, the fireproof belt 6 is made of ceramic fiber materials with the diameter of 0.1-0.3 mm and plays roles of insulation and heat insulation.
The protecting sleeve 7 is arranged on the outermost layer, and further, the protecting sleeve 7 is made of polyvinyl chloride or low-smoke halogen-free materials.
The fire-proof layer 3, the flame-retardant layer 4, the insulating layer 5, the fireproof belt 6 and the protective sleeve 7 are sequentially distributed outside the cable cores 1 and the filling layer 2.
The embodiment has better flame retardant and fireproof properties, and is suitable for occasions with high requirements on flame retardant and fireproof of cables, such as high-rise buildings, markets, movie theaters, power stations, chemical plants and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (5)

1. A fire-resistant, flame-retardant cable, comprising: the cable comprises a plurality of cable cores (1), a filling layer (2), a fireproof layer (3), a flame-retardant layer (4), an insulating layer (5), a fireproof belt (6) and a protective sleeve (7);
the cable core (1) is composed of a conductor (1-1) and an insulating skin (1-2), the conductor (1-1) is made of a pure copper material with soft texture, the insulating skin (1-2) is made of high-temperature-resistant insulating paper, and the cable cores (1) are mutually isolated;
the filling layer (2) is filled around the cable cores (1), and the filling layer (2) is made of high-temperature-resistant thermosetting elastic silica gel;
the fireproof layer (3) is used for coating a plurality of cable cores (1) and the filling layer (2) inside the cable cores and is rounded into a round shape, and the fireproof layer (3) is made of a metal corrugated pipe;
the flame-retardant layer (4) is formed by winding a plurality of layers of fire-resistant mica tapes;
the insulating layer (5) is formed by extruding and wrapping a plurality of layers of double-sided reinforced synthetic mica tapes and crosslinked polyethylene, and a plurality of grooves are uniformly distributed on the outer circumference;
the fireproof belt (6) is made of ceramic fiber yarns;
the protective sleeve (7) is arranged on the outermost layer;
the fireproof layer (3), the flame-retardant layer (4), the insulating layer (5), the fireproof belt (6) and the protective sleeve (7) are sequentially distributed outside the cable cores (1) and the filling layer (2).
2. A fire-resistant and fire-retardant cable as claimed in claim 1, wherein:
the insulating skin (1-2) is a 6640 polyester film polyaramide fiber paper soft composite material with the thickness of 2 mm.
3. A fire-resistant and fire-retardant cable as claimed in claim 1, wherein:
the flame-retardant layer (4) is a fire-resistant mica tape with the thickness of 0.5mm, and the number of layers wound on the fireproof layer (3) is 3-6.
4. A fire-resistant and fire-retardant cable as claimed in claim 1, wherein:
the fireproof belt (6) is made of ceramic fiber materials with the diameter of 0.1 mm-0.3 mm, and plays roles of insulation and heat insulation.
5. A fire-resistant and fire-retardant cable as claimed in claim 1, wherein:
the protective sleeve (7) is made of polyvinyl chloride or low-smoke halogen-free materials.
CN201920837318.3U 2019-06-04 2019-06-04 Fireproof flame-retardant cable Expired - Fee Related CN209843344U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920837318.3U CN209843344U (en) 2019-06-04 2019-06-04 Fireproof flame-retardant cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920837318.3U CN209843344U (en) 2019-06-04 2019-06-04 Fireproof flame-retardant cable

Publications (1)

Publication Number Publication Date
CN209843344U true CN209843344U (en) 2019-12-24

Family

ID=68898586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920837318.3U Expired - Fee Related CN209843344U (en) 2019-06-04 2019-06-04 Fireproof flame-retardant cable

Country Status (1)

Country Link
CN (1) CN209843344U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289496A (en) * 2020-10-12 2021-01-29 湖北特缆集团有限公司 Multi-core cable with fire-resistant and waterproof functions and connector device thereof
CN112700920A (en) * 2020-12-16 2021-04-23 刘金桥 Self-adaptive rigid-flexible dual-state fireproof cable

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112289496A (en) * 2020-10-12 2021-01-29 湖北特缆集团有限公司 Multi-core cable with fire-resistant and waterproof functions and connector device thereof
CN112289496B (en) * 2020-10-12 2022-04-08 湖北特缆集团有限公司 Multi-core cable with fire-resistant and waterproof functions and connector device thereof
CN112700920A (en) * 2020-12-16 2021-04-23 刘金桥 Self-adaptive rigid-flexible dual-state fireproof cable
CN112700920B (en) * 2020-12-16 2022-02-22 新疆胡杨线缆制造有限公司 Self-adaptive rigid-flexible dual-state fireproof cable

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200706

Address after: No. 19 Lotus Road, Xinchang Town, Pudong New Area, Shanghai, 201314

Patentee after: SHANGHAI HONGXIN WIRE&CABLE Co.,Ltd.

Address before: 43266 DONGSHANTOU street, Xiaonan District, Xiaogan City, Hubei Province, 2018

Patentee before: Hubei Special Cable Group Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191224

Termination date: 20210604