CN210940783U - Fire-resistant insulating double-sided mica tape for wires and cables - Google Patents
Fire-resistant insulating double-sided mica tape for wires and cables Download PDFInfo
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- CN210940783U CN210940783U CN201921026795.8U CN201921026795U CN210940783U CN 210940783 U CN210940783 U CN 210940783U CN 201921026795 U CN201921026795 U CN 201921026795U CN 210940783 U CN210940783 U CN 210940783U
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Abstract
The utility model discloses a belong to mica tape technical field, specifically be a fire-resistant insulating double-sided type mica tape for wire and cable, including top layer glass fiber cloth, polyester film, the sticky lacquer layer of epoxy, insulating layer, mica tape body, copper wire group and the fine cloth of bottom glass, the bottom and the polyester film of top layer glass fiber cloth are connected, polyester film's bottom and the sticky lacquer layer of epoxy, the bottom and the insulating layer of the sticky lacquer layer of epoxy are connected, the bottom and this body coupling of mica tape of insulating layer, copper wire group installs at the mica tape originally internally, the top and this body coupling of mica tape of bottom glass fiber cloth through substances such as polyester film and the sticky lacquer layer of epoxy and insulating layer and mica tape group, improve the anti deformation and the high temperature resistance performance of copper wire mica tape body, prevent that substance deformation from causing plastic deformation, improve life.
Description
Technical Field
The utility model relates to a mica tape technical field specifically is a wire and cable is with fire-resistant insulating double-sided type mica tape.
Background
Mica tape, also called fire-resistant mica tape, is made by mica tape machine, is a fire-resistant insulating material, can be divided into according to the usage: mica tape for motor and cable. The structure is divided into: double-sided tape, single-sided tape, triple-sided tape, double-film tape, single-film tape, and the like. According to mica, the mica can be divided into: synthetic mica tape, phlogopite tape, and muscovite tape. The mica tape for the fire-resistant safety cable is a high-performance mica insulation product, has excellent high-temperature resistance and combustion resistance, has good flexibility in a normal state, and is suitable for main fire-resistant insulation layers in various fire-resistant cables.
When the cable is burnt in open fire, the volatilization of harmful smoke is basically avoided, so that the product is not only effective but also safe when being used for the cable. The performance of the synthetic mica tape at normal temperature is the best, the performance of the white mica tape is the second, the performance of the gold mica tape is poorer, the insulating performance of the synthetic mica tape at high temperature is the best, the performance of the gold mica tape is the second, the performance of the white mica tape is poorer, and the high temperature resistance is as follows: the synthesized mica tape fluorophlogopite tape does not contain crystal water, has a melting point of 1375 ℃, has large safety margin and best high temperature resistance, the phlogopite releases the crystal water at the temperature of more than 800 ℃, the high temperature resistance is inferior, the muscovite releases the crystal water at the temperature of 600 ℃, and the high temperature resistance is poorer.
The existing double-sided mica tape has poor fire resistance and insulation performance when used on a cable, the internal material of the mica tape is easy to soften at a high temperature for a period of time, and the shape and the density of the internal material are changed after the internal material is solidified after cooling, so that the fire resistance and the insulation performance are reduced, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art mica tapes.
Therefore, the utility model aims at providing a wire and cable is with fire-resistant insulating double-sided type mica tape can improve the high temperature resistance and the insulating properties of mica tape body, prevents that the condition of deformation from taking place, improves life.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme: including top layer glass fiber cloth, polyester film, the sticky lacquer layer of epoxy, insulating layer, mica tape body, copper wire group and the fine cloth of bottom glass fiber, the bottom and the polyester film of top layer glass fiber cloth are connected, the bottom and the sticky lacquer layer of epoxy of polyester film, the bottom and the insulating layer of the sticky lacquer layer of epoxy are connected, the bottom and the mica tape body coupling of insulating layer, copper wire group installs at the mica tape originally internally, the top and the mica tape body coupling of the fine cloth of bottom glass fiber.
As an optimal selection scheme of fire-resistant insulating double-sided type mica tape for wire and cable, wherein: and the joint of the top layer glass fiber cloth and the polyester film, the joint of the insulating layer and the mica tape body, and the joint of the mica tape body and the bottom layer glass fiber cloth are all filled with an adhesive, and the adhesive is amino borane-epoxy resin.
As an optimal selection scheme of fire-resistant insulating double-sided type mica tape for wire and cable, wherein: the mica body is made of mica powder.
As an optimal selection scheme of fire-resistant insulating double-sided type mica tape for wire and cable, wherein: the copper wire group is formed by laying 6-8 groups of 0.02-0.04mm copper wires in parallel in the mica tape body.
As an optimal selection scheme of fire-resistant insulating double-sided type mica tape for wire and cable, wherein: the insulating layer is a polytetrafluoroethylene layer.
Compared with the prior art: the mica tape body is internally provided with the copper wire group, so that the toughness of the mica tape is improved, the condition that the mica tape cannot be restored due to high-temperature deformation is prevented, the bottom of the mica tape body is connected with the bottom glass fiber cloth through the adhesive, the top of the mica tape body is connected with the insulating layer through the adhesive, the insulating layer is made of polytetrafluoroethylene, the polytetrafluoroethylene has the characteristics of high temperature resistance and insulation, the high-temperature resistance of the mica tape body is effectively improved, the insulating layer is connected with the polyester film through the epoxy adhesive paint layer, the epoxy adhesive paint layer has high stripping and shearing strength at high and low temperatures, the connection strength between the insulating layer and the polyester film is improved, the polyester film is excellent in mechanical property, high in rigidity, hardness and toughness and puncture resistance, the glass fiber cloth is alkali-free cloth, has high breaking resistance and tensile strength, and can improve the insulating property of the insulator.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic structural view of a fire-resistant insulating double-sided mica tape for electric wires and cables according to the present invention;
fig. 2 is a schematic structural view of the mica tape body of the fire-resistant insulating double-sided mica tape for electric wires and cables of the present invention.
In the figure: 100 top layer glass fiber cloth, 200 polyester film, 300 epoxy adhesive paint layer, 400 insulating layer, 500 mica tape body, 600 copper wire group and 700 bottom layer glass fiber cloth.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a fire-resistant insulating double-sided type mica tape for wire and cable, please refer to fig. 1, including top layer glass fiber cloth 100, polyester film 200, the adhesive paint layer of epoxy 300, insulating layer 400, mica tape body 500, copper wire group 600 and bottom glass fiber cloth 700, the bottom and the polyester film 200 of top layer glass fiber cloth 100 are connected, polyester film 200's bottom and the adhesive paint layer of epoxy 300, the bottom and the insulating layer 400 of the adhesive paint layer of epoxy 300 are connected, the bottom and the mica tape body 500 of insulating layer 400 are connected, copper wire group 600 installs in mica tape body 500, the top and the mica tape body 500 of bottom glass fiber cloth 700 are connected.
In the specific use process, the copper wire group 600 is installed in the mica tape body 500, the toughness of the mica tape body 500 is improved, the situation that the mica tape cannot be recovered due to high-temperature deformation is prevented, the bottom of the mica tape body 500 is connected with the bottom glass fiber cloth 700 through an adhesive, the top of the mica tape body is connected with the insulating layer 400 through an adhesive, the insulating layer 400 is made of polytetrafluoroethylene, the polytetrafluoroethylene has the characteristics of high temperature resistance and insulation, the high-temperature resistance of the mica tape body 500 is effectively improved, the insulating layer 400 is connected with the polyester film 200 through the epoxy adhesive paint layer 300, the epoxy adhesive paint layer 300 has high peel strength and shear strength at high and low temperatures, the connection strength between the insulating layer 400 and the polyester film 200 is improved, the polyester film 200 is excellent in mechanical property, high in rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance and low temperature resistance, and the temperature resistance outside the epoxy paint layer 300 is, the glass fiber cloth is alkali-free cloth, has high breaking and tensile strength, and improves the insulating property of the insulator.
Referring to fig. 1 again, the bonding agent, which is amino borane-epoxy resin, is filled at the joint between the top fiberglass cloth 100 and the mylar 200, the joint between the insulating layer 400 and the mica tape body 500, and the joint between the mica tape body 500 and the bottom fiberglass cloth 700.
Referring again to fig. 1, the mica tape body 500 is made of mica powder, which is a general term for fragments of raw mica ore remaining after rough separation, mica fragments obtained by crushing mica-containing ore, and mica fragments remaining after production of mica products.
Referring to fig. 2 again, the copper wire set 600 is formed by laying 6 sets of 0.04mm copper wires in parallel in the mica tape body 500, so as to uniformly improve the toughness and tensile strength of the mica tape body 500.
Referring again to fig. 1, the insulating layer 400 is a ptfe layer having high temperature resistance, low temperature resistance, and electrical insulation properties.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a wire and cable is with fire-resistant insulating double-sided type mica tape which characterized in that: including top layer glass fiber cloth (100), polyester film (200), epoxy adhesive paint layer (300), insulating layer (400), mica tape body (500), copper wire group (600) and bottom glass fiber cloth (700), the bottom and polyester film (200) of top layer glass fiber cloth (100) are connected, the bottom and the epoxy adhesive paint layer (300) of polyester film (200), the bottom and insulating layer (400) of epoxy adhesive paint layer (300) are connected, the bottom and mica tape body (500) of insulating layer (400) are connected, install in mica tape body (500) copper wire group (600), the top and mica tape body (500) of bottom glass fiber cloth (700) are connected.
2. The fire-resistant insulating double-sided mica tape for electric wires and cables according to claim 1, wherein: and the joint of the top layer glass fiber cloth (100) and the polyester film (200), the joint of the insulating layer (400) and the mica tape body (500), and the joint of the mica tape body (500) and the bottom layer glass fiber cloth (700) are all filled with adhesives, and the adhesives are amino borane-epoxy resin.
3. The fire-resistant insulating double-sided mica tape for electric wires and cables according to claim 1, wherein: the mica tape body (500) is made of mica powder.
4. The fire-resistant insulating double-sided mica tape for electric wires and cables according to claim 1, wherein: the copper wire group (600) is formed by laying 6-8 groups of 0.02-0.04mm copper wires in parallel in the mica tape body (500).
5. The fire-resistant insulating double-sided mica tape for electric wires and cables according to claim 1, wherein: the insulating layer (400) is a polytetrafluoroethylene layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026795.8U CN210940783U (en) | 2019-07-03 | 2019-07-03 | Fire-resistant insulating double-sided mica tape for wires and cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026795.8U CN210940783U (en) | 2019-07-03 | 2019-07-03 | Fire-resistant insulating double-sided mica tape for wires and cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210940783U true CN210940783U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921026795.8U Active CN210940783U (en) | 2019-07-03 | 2019-07-03 | Fire-resistant insulating double-sided mica tape for wires and cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210940783U (en) |
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2019
- 2019-07-03 CN CN201921026795.8U patent/CN210940783U/en active Active
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