CN216902352U - Power line with fireproof and high-temperature-resistant functions - Google Patents

Power line with fireproof and high-temperature-resistant functions Download PDF

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Publication number
CN216902352U
CN216902352U CN202220327728.5U CN202220327728U CN216902352U CN 216902352 U CN216902352 U CN 216902352U CN 202220327728 U CN202220327728 U CN 202220327728U CN 216902352 U CN216902352 U CN 216902352U
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layer
wall
flame
fire
high temperature
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CN202220327728.5U
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Chinese (zh)
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贾全力
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Dongguan Dongsheng Electronics Co ltd
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Dongguan Dongsheng Electronics Co ltd
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Abstract

The utility model relates to the technical field of power cords, in particular to a power cord with fireproof and high-temperature-resistant functions, which comprises a conducting wire, wherein an insulating layer is arranged outside the conducting wire, a protective layer is arranged outside the insulating layer, a plurality of heat insulating strips distributed in an annular shape are arranged between the insulating layer and the protective layer, a high-temperature-resistant layer and a fireproof layer are sequentially arranged inside the protective layer from inside to outside, a heat insulating layer is arranged between the inner wall and the outer wall of the high-temperature-resistant layer, a first flame-retardant layer, a second flame-retardant layer and a third flame-retardant layer are sequentially arranged between the inner wall and the outer wall of the fireproof layer from inside to outside, and the utility model is characterized in that the high-temperature-resistant layer and the fireproof layer are arranged outside the insulating layer, thereby realizing the fire prevention and high temperature resistance, effectively avoiding the fire spreading caused by the burning of the protective layer, in addition, the heat insulation strip is arranged between the insulating layer and the protective layer, so that the speed of transmitting the external temperature to one side close to the wire is prolonged, and the influence of the external temperature on the wire is further reduced.

Description

Power line with fireproof and high-temperature-resistant functions
Technical Field
The utility model relates to the technical field of power lines, in particular to a power line with fireproof and high-temperature-resistant functions.
Background
The power line is a wire that transmits current. The usual way of current transfer is point-to-point transfer. The power line can be divided into an AC power line and a DC power line according to the purpose, the power line is only an accessory for household appliances, but plays a crucial role in the use of the household appliances, and if the power line is broken, the whole electric appliance cannot be normally used;
with the continuous development and progress of the society, people have higher and higher requirements on the performance of a power line, the loss caused by fire when the power line is in short circuit is not avoided, people pay more and more attention to the fireproof and high-temperature performance of the power line, and therefore, the power line with the fireproof and high-temperature-resistant functions is provided.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects, the utility model provides the power line with the functions of fire prevention and high temperature prevention.
The technical scheme of the utility model is as follows:
the utility model provides a power cord with high temperature function is prevented in fire prevention, includes the wire, the outside of wire is equipped with the insulating layer, the outside of insulating layer is equipped with the inoxidizing coating, the insulating layer with be equipped with a plurality of thermal-insulated strips that are cyclic annular distribution between the inoxidizing coating, the inside of inoxidizing coating is from interior to being equipped with high temperature resistant layer and flame retardant coating outward in proper order, be equipped with the insulating layer between the inner wall on high temperature resistant layer and the outer wall, from interior to being equipped with first fire-retardant layer, the fire-retardant layer of second and the fire-retardant layer of third outward in proper order between the inner wall of flame retardant coating and the outer wall.
According to the preferable technical scheme, the thickness of the heat insulation strip is 0.1-0.4 mm, and silicate is filled in a gap between the heat insulation strip and the protective layer.
As a preferred technical scheme, the outer wall of the protective layer is sprayed with a fireproof coating, and the inner wall of the protective layer is sprayed with a heat insulation coating.
As a preferable technical scheme, the outer wall of the protective layer is made of a thermoplastic polyurethane elastomer material.
As a preferable technical scheme, a gap between the heat insulation layer and the high temperature resistant layer is filled with temperature resistant acrylate pressure sensitive adhesive.
As a preferable technical scheme, a gap between the second flame-retardant layer and the first and third flame-retardant layers is filled with a flame-retardant acrylic adhesive.
According to a preferable technical scheme, the gaps between the first flame-retardant layer and the fire-retardant layer and between the third flame-retardant layer and the fire-retardant layer are filled with cornstarch.
Compared with the prior art, the utility model has the beneficial effects that:
1. in addition, the heat insulation strip is arranged between the insulating layer and the protective layer, so that the speed of transmitting the external temperature to one side close to the wire is prolonged, and the influence of the external temperature on the wire is further reduced.
2. The fireproof coating is sprayed on the outer wall of the protective layer, so that the overall fireproof performance is further enhanced, and in addition, due to the characteristics of the material used for the outer wall of the protective layer, the damage of the external environment to the surface of the protective layer is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole structure of the present invention after the protective layer is cut;
FIG. 3 is a cross-sectional view of a flame retardant layer of the present invention;
fig. 4 is a cross-sectional view of the thermal insulation layer of the present invention.
The meaning of the individual reference symbols in the figures is:
a wire 1; an insulating layer 2; a heat insulating strip 21; a protective layer 3; a high temperature resistant layer 4; a heat insulating layer 41; a fire-proof layer 5; a first flame retardant layer 51; a second flame retardant layer 52; a third flame retardant layer 53.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the utility model provides a power cord with fire prevention high temperature function, including wire 1, the outside of wire 1 is equipped with insulating layer 2, the outside of insulating layer 2 is equipped with inoxidizing coating 3, be equipped with a plurality of thermal-insulated strips 21 that are cyclic annular distribution between insulating layer 2 and the inoxidizing coating 3, the inside of inoxidizing coating 3 is equipped with high temperature resistant layer 4 and flame retardant coating 5 from inside to outside in proper order, be equipped with insulating layer 41 between the inner wall of high temperature resistant layer 4 and the outer wall, from inside to outside in proper order be equipped with first fire-retardant layer 51 between the inner wall of flame retardant coating 5 and the outer wall, fire-retardant layer 52 of second and the fire-retardant layer 53 of third.
It should be added that the heat insulation layer 41 is a vacuum heat insulation plate, which is formed by compounding a filling core material and a vacuum protection surface layer, and which effectively avoids heat transfer caused by air convection, so that the heat conductivity coefficient can be greatly reduced, thereby realizing heat insulation.
Preferably, in this embodiment, the thickness of the thermal insulating strips 21 is 0.1-0.4 mm, the space between the thermal insulating strips 21 and the insulating layer 3 is filled with silicate, the composite silicate insulating material is a closed microporous network structure combined with a solid matrix, and the electrostatic inorganic insulating material is used to make the space between the insulating layer 2 and the insulating layer 3 so as to delay the approach of the internal temperature of the insulating layer 3 to the insulating layer 2 side.
Preferably, in this embodiment, the outer wall of the protective layer 3 is sprayed with a fire retardant coating, the inner wall of the protective layer 3 is sprayed with a thermal insulation coating, and the outer wall of the protective layer 3 is made of a thermoplastic polyurethane elastomer material.
It is worth to be noted that the thermoplastic polyurethane elastomer material has the characteristics of high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and the like which are incomparable with other plastic materials, and also has a plurality of excellent functions of high waterproofness, moisture permeability, wind resistance, cold resistance, antibiosis, mildew resistance, warm keeping, ultraviolet resistance, energy release and the like, so that the comprehensive performance of the outer wall of the protective layer 3 is stronger, and the inner wall and the inner structural layer of the protective layer 3 are protected conveniently.
Preferably, in this embodiment, a gap between the thermal insulation layer 41 and the high temperature resistant layer 4 is filled with a temperature resistant acrylate pressure sensitive adhesive, and the inner wall and the outer wall of the high temperature resistant layer 4 are made of a rubber sponge plate material and glass fiber respectively.
Preferably, in this embodiment, a flame retardant acrylic adhesive is filled in a gap between the second flame retardant layer 52 and the first flame retardant layer 51 and the third flame retardant layer 53, the first flame retardant layer 51, the second flame retardant layer 52 and the third flame retardant layer 53 are in close contact, and the first flame retardant layer 51, the second flame retardant layer 52 and the third flame retardant layer 53 are made of a magnesium hydroxide material, an aluminum hydroxide material and an ammonium polyphosphate material, respectively.
It is worth to say that magnesium hydroxide is a novel filling type flame retardant, releases bound water when heated and decomposed, absorbs a large amount of latent heat, reduces the surface temperature of the synthetic material filled with the magnesium hydroxide in flame, has the functions of inhibiting polymer decomposition and cooling the generated combustible gas, generates magnesium oxide which is a good fire-resistant material, can also help to improve the fire resistance of the synthetic material, simultaneously releases water vapor which can also be used as a smoke suppressant, and is a well-known excellent flame retardant with three functions of flame retarding, smoke suppression and filling in the rubber and plastic industry.
In a specific use process, the inner wall and the outer wall of the fireproof layer 5 are respectively made of antimony trioxide material and perlite material.
In this embodiment, the gaps between the first flame retardant layer 51 and the third flame retardant layer 53 and the flame retardant layer 5 are preferably filled with cornstarch.
When the power cord with the functions of fire prevention and high temperature prevention is used, the fire-proof coating sprayed on the outer wall of the protective layer 3 is used for performing primary fire prevention on the surface of the protective layer 3, in addition, the material of the outer wall of the protective layer 3 has better wear resistance, antibiosis, mildew prevention, ultraviolet resistance and the like, so that the damage of the external environment to the protective layer 3 is reduced, the high temperature resistant layer 4 and the fire-proof layer 5 in the protective layer 3 are protected, the use of the high temperature resistant layer 4 and the fire-proof layer 5 is prevented from being influenced by the damage, then, the first flame-retardant layer 51 made of magnesium hydroxide material, the second flame-retardant layer 52 made of aluminum hydroxide material, the third flame-retardant layer 53 made of ammonium polyphosphate material and the fire-proof layer 5 made of antimony trioxide material and perlite material are used for realizing flame retardance, the fire spread is avoided, and then the high temperature resistant layer 4 made of rubber sponge material and glass fiber is used for further realizing the flame retardance, The heat insulation layer 41 made of a vacuum heat insulation plate material and the protective layer 3 with the inner wall coated with heat insulation paint are adopted, so that the temperature transmission speed of the fireproof layer 5 and the outside of the fireproof layer is prolonged, and in addition, the transmission speed of high temperature of the outside is further delayed by a gap between the insulating layer 2 and the protective layer 3, and the heat insulation of the lead 1 is realized.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a power cord with prevent high temperature function, includes wire (1), the outside of wire (1) is equipped with insulating layer (2), its characterized in that: the outside of insulating layer (2) is equipped with inoxidizing coating (3), insulating layer (2) with be equipped with a plurality of heat insulating strip (21) that are cyclic annular distribution between inoxidizing coating (3), the inside of inoxidizing coating (3) is from interior to being equipped with high temperature resistant layer (4) and flame retardant coating (5) outward in proper order, be equipped with insulating layer (41) between the inner wall of high temperature resistant layer (4) and the outer wall, from interior to being equipped with first fire-retardant layer (51), the fire-retardant layer of second (52) and the fire-retardant layer of third (53) outward in proper order between the inner wall of flame retardant coating (5) and the outer wall.
2. The power cord with fire and high temperature protection function as claimed in claim 1, wherein: the thickness of the heat insulation strip (21) is 0.1-0.4 mm, and silicate is filled in a gap between the heat insulation strip (21) and the protective layer (3).
3. The power cord with fire and high temperature protection function as claimed in claim 1, wherein: the outer wall of the protective layer (3) is sprayed with fireproof paint, and the inner wall of the protective layer (3) is sprayed with heat insulation paint.
4. The power cord with fire and high temperature protection function as claimed in claim 1, wherein: the outer wall of the protective layer (3) is made of thermoplastic polyurethane elastomer material.
5. The power cord with fire and high temperature protection function as claimed in claim 1, wherein: and a gap between the heat insulation layer (41) and the high temperature resistant layer (4) is filled with temperature resistant acrylate pressure sensitive adhesive.
6. The power cord with fire and high temperature protection function of claim 1, wherein: and a gap between the second flame-retardant layer (52) and the first flame-retardant layer (51) and the third flame-retardant layer (53) is filled with a flame-retardant acrylic adhesive.
7. The power cord with fire and high temperature protection function as claimed in claim 1, wherein: gaps between the first flame-retardant layer (51) and the third flame-retardant layer (53) and the fireproof layer (5) are filled with cornstarch.
CN202220327728.5U 2022-02-18 2022-02-18 Power line with fireproof and high-temperature-resistant functions Active CN216902352U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220327728.5U CN216902352U (en) 2022-02-18 2022-02-18 Power line with fireproof and high-temperature-resistant functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220327728.5U CN216902352U (en) 2022-02-18 2022-02-18 Power line with fireproof and high-temperature-resistant functions

Publications (1)

Publication Number Publication Date
CN216902352U true CN216902352U (en) 2022-07-05

Family

ID=82184568

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220327728.5U Active CN216902352U (en) 2022-02-18 2022-02-18 Power line with fireproof and high-temperature-resistant functions

Country Status (1)

Country Link
CN (1) CN216902352U (en)

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A power cord with fire and high temperature protection function

Granted publication date: 20220705

Pledgee: Bank of China Co.,Ltd. Dongguan Branch

Pledgor: DONGGUAN DONGSHENG ELECTRONICS Co.,Ltd.

Registration number: Y2024980034724

PE01 Entry into force of the registration of the contract for pledge of patent right