CN217061546U - Mineral insulated fireproof cable - Google Patents

Mineral insulated fireproof cable Download PDF

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Publication number
CN217061546U
CN217061546U CN202220475421.XU CN202220475421U CN217061546U CN 217061546 U CN217061546 U CN 217061546U CN 202220475421 U CN202220475421 U CN 202220475421U CN 217061546 U CN217061546 U CN 217061546U
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CN
China
Prior art keywords
fire
layer
retardant coating
flame retardant
retardant
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Active
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CN202220475421.XU
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Chinese (zh)
Inventor
杨亚丽
曹腾飞
曹凯波
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Hubei Hongqi Yongsheng Cable Co ltd
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Hubei Hongqi Yongsheng Cable Co ltd
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Priority to CN202220475421.XU priority Critical patent/CN217061546U/en
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Abstract

The utility model discloses a mineral substance insulation fireproof cable, including fire-retardant oversheath, the internal surface of fire-retardant oversheath is provided with the compound flame retardant coating that is used for improving cable fire behavior, compound flame retardant coating includes the band layer, the surface on band layer is provided with fire-retardant filling layer, the surface of fire-retardant filling layer is provided with the flame retardant coating, the surface of flame retardant coating is provided with the armor shielding layer, the internal surface of compound flame retardant coating is provided with separates the installation cover device, the inside of separating the installation cover device is provided with the sinle silk. A mineral substance insulation fireproof cable through being provided with compound flame retardant coating, compound flame retardant coating comprises the flame retardant coating of band layer, inorganic mineral substance filler of high temperature resistant fire-retardant non-woven fabrics and mica tape's flame retardant coating, multilayer composite structure, the performance of high-insulation excellent fire prevention can carry out multistage fire protection to the core and guarantee, brings better use prospect.

Description

Mineral substance insulation fireproof cable
Technical Field
The utility model relates to the technical field of cables, specifically be an insulating fireproof cable of mineral substance.
Background
The cable is widely applied to control installation, connecting equipment and power transmission, and is an indispensable important transmission medium in the aspects of industry, civil use and the like. Cables come in a variety of sizes and types to meet the needs of different equipment and transmission purposes. When the cable is used, problems such as short circuit or open circuit can occur, and the transmission of power supply and information is failed.
Present cable fire behavior is unsatisfactory, when the conflagration takes place, the data loss risk is big, information is not good with the power transmission effect, can't ensure at the transmission power in-process, the safe operation of electrical equipment and circuit can be guaranteed to the cable, and present cable is the direct filling filler between the sinle silk mostly, the sinle silk is mostly mutual contact, can cause wearing and tearing after long-time the use, lead to the short circuit of circuit when the circuit is ageing or transship, cause the conflagration, certain adverse effect has been brought to people's use, therefore, we provide a mineral substance insulation fireproof cable.
SUMMERY OF THE UTILITY MODEL
The utility model provides an insulating fireproof cable of mineral substance to the problem that exists of above-mentioned prior art.
The utility model discloses a following technical means realizes solving above-mentioned technical problem:
the utility model provides a mineral substance insulation fireproof cable, includes fire-retardant oversheath, the internal surface of fire-retardant oversheath is provided with the compound flame retardant coating that is used for improving cable fire behavior, compound flame retardant coating includes the band layer, the surface of band layer is provided with fire-retardant filling layer, the surface of fire-retardant filling layer is provided with the flame retardant coating, the surface of flame retardant coating is provided with the armor shielding layer, the internal surface of compound flame retardant coating is provided with separates the installation cover device, the inside of separating the installation cover device is provided with the sinle silk.
Furthermore, the band layer is high temperature resistant fire-retardant non-woven fabrics, the material of fire-retardant filling layer is inorganic mineral substance filler, the flame retardant coating is formed around the package by the fire-resistant mica tape layer of multilayer, the internal surface of band layer is connected with the surface fixed who separates the installation cover device, fire-retardant filling layer is connected with the surface fixed of band layer, the flame retardant coating is connected with the surface fixed of fire-retardant filling layer, the armor shielding layer is connected with the surface fixed of flame retardant coating.
Furthermore, the separating installation sleeve device comprises a rubber sleeve ring, a mounting pad is arranged inside the rubber sleeve ring, a wire passing groove is formed in the middle of the mounting pad, and a heat dissipation hole is formed in the outer surface of the rubber sleeve ring.
Further, the mounting pad is fixedly connected with the inner surface of the rubber lantern ring, the wire passing groove penetrates through the middle of the mounting pad, and the heat dissipation hole penetrates through the middle of the outer surface of the rubber lantern ring.
Further, the wire core is fixedly connected with the mounting pad through a wire passing groove, and the rubber lantern ring is fixedly connected with the composite fireproof layer.
Further, the sinle silk is formed by the wire drawing transposition of aluminium pole, fire-retardant oversheath is the steamed low cigarette fire-retardant polyolefin sheath that smokes, compound flame retardant coating is connected with the internal surface fixed of fire-retardant oversheath.
Advantageous effects
Compared with the prior art, the utility model provides an insulating fireproof cable of mineral substance possesses following beneficial effect:
1. this mineral substance insulation fireproof cable through being provided with compound flame retardant coating, and compound flame retardant coating comprises the flame retardant filling layer of the band layer of high temperature resistant fire-retardant non-woven fabrics, inorganic mineral substance filler and the flame retardant coating of mica tape, multilayer composite construction, and the performance of high-insulation excellent fire prevention can carry out multistage fire protection to the wire core and guarantee.
2. This mineral substance insulation fireproof cable separates installation cover device through being provided with, and the sinle silk makes to have sufficient distance between the sinle silk through crossing the fixed back of wire casing and mounting mat, avoids the friction between the sinle silk, not only can effectively avoid the damage of sinle silk and the conflagration breaing out, can improve the tensile strength and the extrusion strength of sinle silk, and the louvre can also improve the heat dispersion of sinle silk to a certain extent.
Drawings
Fig. 1 is the utility model relates to an overall structure schematic diagram of mineral substance insulation fireproof cable.
Fig. 2 is a sectional view of the composite fireproof layer of the mineral insulated fireproof cable of the present invention.
Fig. 3 is the overall structure schematic diagram of the separation installation sleeve device of the mineral insulated fireproof cable of the present invention.
In the figure: 1. a flame retardant outer jacket; 2. a composite fire barrier layer; 201. a belting layer; 202. a flame retardant filler layer; 203. a refractory layer; 204. an armor shielding layer; 3. a separate mounting sleeve device; 301. a rubber collar; 302. a mounting pad; 303. a wire passing groove; 304. heat dissipation holes; 4. and a wire core.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and 2, a mineral substance insulation fireproof cable comprises a flame-retardant outer sheath 1, wherein a composite fireproof layer 2 for improving the fireproof performance of the cable is arranged on the inner surface of the flame-retardant outer sheath 1, the composite fireproof layer 2 comprises a belting layer 201, a flame-retardant filling layer 202 is arranged on the outer surface of the belting layer 201, a fireproof layer 203 is arranged on the outer surface of the flame-retardant filling layer 202, an armored shielding layer 204 is arranged on the outer surface of the fireproof layer 203, a separation installation sleeve device 3 is arranged on the inner surface of the composite fireproof layer 2, and a wire core 4 is arranged inside the separation installation sleeve device 3.
The band layer 201 is fire-retardant non-woven fabrics of high temperature resistant, the material of fire-retardant filling layer 202 is inorganic mineral substance filler, the flame retardant coating 203 is formed by the fire-resistant mica tape layer of multilayer around the package, the internal surface of band layer 201 and the surface fixed connection who separates installation cover device 3, fire-retardant filling layer 202 is connected with the surface fixed connection of band layer 201, the surface fixed connection of flame retardant coating 203 and fire-retardant filling layer 202, armor shielding layer 204 is connected with the surface fixed connection of flame retardant coating 203.
Example 2
As shown in fig. 1 and 3, a partitioning and installing sleeve device 3 is provided on the basis of embodiment 1, the partitioning and installing sleeve device 3 includes a rubber collar 301, a mounting pad 302 is provided inside the rubber collar 301, a wire passing groove 303 is provided in the middle of the mounting pad 302, and a heat dissipating hole 304 is provided on the outer surface of the rubber collar 301.
The mounting pad 302 is fixedly connected with the inner surface of the rubber collar 301, the wire through groove 303 penetrates through the middle of the mounting pad 302, and the heat dissipation hole 304 penetrates through the middle of the outer surface of the rubber collar 301.
The wire core 4 is fixedly connected with the mounting pad 302 through the wire passing groove 303, and the rubber lantern ring 301 is fixedly connected with the composite fireproof layer 2.
The wire core 4 is formed by drawing and twisting aluminum rods, the flame-retardant outer sheath 1 is a halogen-free low-smoke flame-retardant polyolefin sheath, and the composite fire-retardant layer 2 is fixedly connected with the inner surface of the flame-retardant outer sheath 1.
For embodiment 1 has increased and has separated installation cover device 3, sinle silk 4 is fixed back through crossing wire casing 303 and mounting pad 302, makes to have sufficient distance between the sinle silk 4, avoids the friction between sinle silk 4, not only can effectively avoid sinle silk 4's damage and the conflagration breaks out, can improve sinle silk 4's tensile strength and extrusion strength, and louvre 304 can also improve sinle silk 4's heat dispersion to a certain extent.
Principle of operation
Through being provided with compound flame retardant coating 2, compound flame retardant coating 2 comprises band layer 201, the fire-retardant filling layer 202 of inorganic mineral substance filler and the flame retardant coating 203 in mica tape of the fire-retardant non-woven fabrics of high temperature resistant, and multilayer composite structure, the excellent performance of preventing fires of high insulation can carry out multistage fire protection to sinle silk 4 and guarantee. Sinle silk 4 is through crossing the fixed back of wire casing 303 and mounting pad 302, makes to have sufficient distance between the sinle silk 4, avoids the friction between sinle silk 4, not only can effectively avoid sinle silk 4's damage and the conflagration that breaks out, can improve sinle silk 4's tensile strength and extrusion strength, and louvre 304 can also improve sinle silk 4's heat dispersion to a certain extent.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims (6)

1. A mineral insulated fireproof cable, includes fire-retardant oversheath (1), its characterized in that: the internal surface of fire-retardant oversheath (1) is provided with composite flame retardant coating (2) that are used for improving cable fire behavior, composite flame retardant coating (2) are including band layer (201), the surface of band layer (201) is provided with fire-retardant filling layer (202), the surface of fire-retardant filling layer (202) is provided with flame retardant coating (203), the surface of flame retardant coating (203) is provided with armor shielding layer (204), the internal surface of composite flame retardant coating (2) is provided with separates installation cover device (3), the inside of separating installation cover device (3) is provided with sinle silk (4).
2. The mineral insulated fireproof cable of claim 1, wherein: the utility model discloses a fire-retardant covering device of armoring, including belting layer (201), fire-retardant filling layer (202), flame retardant coating (203), the flame retardant coating (201) is fire-resistant non-woven fabrics of high temperature resistant, the material of fire-retardant filling layer (202) is the inorganic mineral substance filler, fire-retardant coating (203) is formed by the fire-resistant mica tape layer of multilayer around the package, the internal surface of belting layer (201) is connected with the external surface fixed who separates installation cover device (3), fire-retardant filling layer (202) is connected with the external surface fixed of belting layer (201), fire-retardant coating (203) is connected with the external surface fixed of fire-retardant filling layer (202), armor shielding layer (204) is connected with the external surface fixed of fire-retardant coating (203).
3. The mineral insulated fireproof cable of claim 1, wherein: the separation mounting sleeve device (3) comprises a rubber sleeve ring (301), a mounting pad (302) is arranged inside the rubber sleeve ring (301), a wire passing groove (303) is formed in the middle of the mounting pad (302), and a heat dissipation hole (304) is formed in the outer surface of the rubber sleeve ring (301).
4. A mineral-insulated fireproof cable according to claim 3, wherein: the mounting pad (302) is fixedly connected with the inner surface of the rubber lantern ring (301), the wire passing groove (303) penetrates through the middle of the mounting pad (302), and the heat dissipation hole (304) penetrates through the middle of the outer surface of the rubber lantern ring (301).
5. A mineral-insulated fireproof cable according to claim 3, wherein: the cable core (4) is fixedly connected with the mounting pad (302) through a cable passing groove (303), and the rubber lantern ring (301) is fixedly connected with the composite fireproof layer (2).
6. The mineral insulated fireproof cable of claim 1, wherein: the cable core (4) is formed by aluminum rod wire drawing and stranding, the flame-retardant outer sheath (1) is a halogen-free low-smoke flame-retardant polyolefin sheath, and the composite fireproof layer (2) is fixedly connected with the inner surface of the flame-retardant outer sheath (1).
CN202220475421.XU 2022-03-07 2022-03-07 Mineral insulated fireproof cable Active CN217061546U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220475421.XU CN217061546U (en) 2022-03-07 2022-03-07 Mineral insulated fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220475421.XU CN217061546U (en) 2022-03-07 2022-03-07 Mineral insulated fireproof cable

Publications (1)

Publication Number Publication Date
CN217061546U true CN217061546U (en) 2022-07-26

Family

ID=82489945

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220475421.XU Active CN217061546U (en) 2022-03-07 2022-03-07 Mineral insulated fireproof cable

Country Status (1)

Country Link
CN (1) CN217061546U (en)

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