CN112768120A - Wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface wrapped electric wire - Google Patents
Wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface wrapped electric wire Download PDFInfo
- Publication number
- CN112768120A CN112768120A CN202011610526.3A CN202011610526A CN112768120A CN 112768120 A CN112768120 A CN 112768120A CN 202011610526 A CN202011610526 A CN 202011610526A CN 112768120 A CN112768120 A CN 112768120A
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- China
- Prior art keywords
- wear
- resistance
- polytetrafluoroethylene
- smooth
- polyimide composite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
- H01B3/306—Polyimides or polyesterimides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
- H01B3/445—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2813—Protection against damage caused by electrical, chemical or water tree deterioration
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Abstract
The invention discloses a wear-resistant polytetrafluoroethylene-polyimide composite insulating smooth-surface lapped wire which comprises an inner conductor, wherein an inner insulator is arranged on the outer side of the inner conductor, an outer insulator is arranged on the outer side of the inner insulator, a braided body is arranged on the outer side of the outer insulator, the inner conductor is formed by twisting multiple strands of silver-plated copper alloy, the inner insulator is formed by lapping a high-melting polytetrafluoroethylene-polyimide composite material, the outer insulator is formed by lapping a high-melting polytetrafluoroethylene raw material belt, and the wear-resistant polytetrafluoroethylene-polyimide composite insulating smooth-surface lapped wire relates to the technical field of military industry such as aviation, aerospace and electronics. The wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface lapped wire has the advantages of excellent high-energy electron radiation resistance, high strength, wear resistance, high and low temperature impact resistance, various chemical solvents resistance, atmospheric aging resistance, cracking resistance, cutting resistance, wear resistance, forced hydrolysis resistance, smooth and clean surface and the like, and is small in outer diameter and light in weight.
Description
Technical Field
The invention relates to the technical field of military industry such as aviation, aerospace and electronics, in particular to a wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface lapped wire.
Background
The wire is a key component of an airplane wiring system and has important influence on the safety and reliability of an airplane electrical system, the damage of a wire insulating layer can expose a copper conductor wire core, so that the problems of electric arcs, short circuits, electromagnetic radiation, interference and the like are caused, the airplane system faults are caused, and according to the statistical data of the American navy safety center, the scratch of the wire insulating layer accounts for 1/4 of all faults in the causes of the airplane wiring system faults.
The polytetrafluoroethylene-polyimide composite insulated seamless lapped wire has various excellent performances of a polyimide composite insulated wire, the insulation thickness of the wire is thin, the wire diameter of the whole wire is reduced, the weight is reduced, the mechanical strength of insulation is particularly high, the wear-resisting strength of an insulating layer is high, and under the condition that the environmental temperature is 21-25 ℃, the scraping and grinding times are not lower than 5000 times, which is an important technical index considered when the wire is selected in the aviation industry.
With the gradual progress of China from the aerospace big country to the strong country, the requirements of advanced equipment on cables matched with the advanced equipment in various advanced aviation, aerospace and electronic military fields are more and more strict. The development and application of the project can promote the development of modernization, simultaneously promote the grade of wires and cables, improve the added value of products, promote the upgrading and updating of the products and enhance the market competitiveness of enterprises.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface lapped wire which has the advantages of excellent high-energy electron radiation resistance, high strength, wear resistance, high-low temperature impact resistance, various chemical solvents resistance, atmospheric aging resistance, cracking resistance, cutting resistance, wear resistance, forced hydrolysis resistance, flat and smooth surface and the like, small outer diameter, light weight and the like.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a wear and tear polytetrafluoroethylene-polyimide composite insulation smooth surface is around package electric wire, includes the inner conductor, the outside of inner conductor is provided with the internal insulation, the outside of internal insulation is provided with the external insulation, the outside of external insulation is provided with weaves the body, the inner conductor adopts stranded silvered copper alloy transposition to form, the internal insulation adopts high melting type polytetrafluoroethylene-polyimide combined material to form around the package, the external insulation adopts high melting type polytetrafluoroethylene raw material area to form around the package, it adopts the polyester carbon fiber to weave the body and forms, and the coating has silicone resin.
Preferably, the inner conductor strand is stranded in a regular strand manner.
Preferably, the lapping rate of the inner insulation and the outer insulation is (50.5-54.0)% + -1.75%.
(III) advantageous effects
The invention provides a wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface lapped wire. Has the following beneficial effects:
this compound insulating smooth surface of stand wear and tear polytetrafluoroethylene-polyimide winds the package electric wire, and it is good to overlap the solution seal nature: the high-melting-point raw material belt is wrapped outside the polyimide composite film to be used as external insulation, the material also has the characteristics of high and low temperature resistance, aging resistance, various solvents resistance, flame retardance and the like, and has excellent sealing property, and after sintering treatment, the material can be bonded with the FP surface of the inner-layer polyimide composite film, so that the tightness of an insulating layer of a product is improved, and the reliability of insulation is further not improved;
the surface is smooth and smooth: the surface of the wire is smooth by adopting a precise shaping technology, so that the problem of uneven surface is solved;
scratch and abrasion resistance: the reliability of the wire in use is ensured by weaving the polyester carbon fiber and coating the polyester carbon fiber with the silicone resin (at the temperature of 21-25 ℃, the scraping and abrasion resistant times are not less than 15000 times), and the characteristic that the abrasion resistance does not decrease and increase along with the temperature increase within a certain high temperature range is borne.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1 inner conductor, 2 inner insulation, 3 outer insulation, 4 braid.
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.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a compound insulating smooth surface of stand wear and tear polytetrafluoroethylene-polyimide winds package electric wire, including inner conductor 1, the outside of inner conductor 1 is provided with internal insulation 2, the outside of internal insulation 2 is provided with external insulation 3, the outside of external insulation 3 is provided with weaves body 4, inner conductor 1 adopts the transposition of stranded silvered copper alloy to form, internal insulation 2 adopts high melting type polytetrafluoroethylene-polyimide combined material to wind the package and forms, external insulation 3 adopts high melting type polytetrafluoroethylene raw material area to wind the package and forms, it adopts the polyester carbon fiber to weave to form to weave body 4, and the coating has silicone resin.
The inner conductor 1 is twisted in a regular twisting manner.
The lapping coverage rate of the inner insulation 2 and the outer insulation 3 is (50.5-54.0)% + -1.75%.
It is noted that, herein, relational terms such as first and second, 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a compound insulating smooth surface of stand wear and tear polytetrafluoroethylene-polyimide winds a packet electric wire, includes inner conductor (1), its characterized in that: the outside of inner conductor (1) is provided with internal insulation (2), the outside of internal insulation (2) is provided with external insulation (3), the outside of external insulation (3) is provided with weaves body (4), inner conductor (1) adopts the transposition of stranded silvered copper alloy to form, internal insulation (2) adopt high melting type polytetrafluoroethylene-polyimide combined material to form around the package, external insulation (3) adopt high melting type polytetrafluoroethylene raw material area to form around the package, it forms to weave body (4) and adopt the polyester carbon fiber to weave, and the coating has silicone resin.
2. The wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-faced lapped wire according to claim 1, wherein: the inner conductor (1) is stranded in a regular stranding mode.
3. The wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-faced lapped wire according to claim 1, wherein: the lapping and covering rate of the inner insulation (2) and the outer insulation (3) is (50.5-54.0)% + -1.75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610526.3A CN112768120A (en) | 2020-12-30 | 2020-12-30 | Wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface wrapped electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610526.3A CN112768120A (en) | 2020-12-30 | 2020-12-30 | Wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface wrapped electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112768120A true CN112768120A (en) | 2021-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011610526.3A Pending CN112768120A (en) | 2020-12-30 | 2020-12-30 | Wear-resistant polytetrafluoroethylene-polyimide composite insulated smooth-surface wrapped electric wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112768120A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1490824A (en) * | 2003-08-27 | 2004-04-21 | 马仕兴 | Silicon rubber heat resistant wire for heating coil |
| CN2924732Y (en) * | 2006-06-05 | 2007-07-18 | 南京全信传输科技有限公司 | Filmcovered insulated high-temperature line composed of polyimide and modified PTFE |
| CN201788728U (en) * | 2010-07-02 | 2011-04-06 | 广州凯恒特种电线电缆有限公司 | Insulated wire and cable |
| US20120155813A1 (en) * | 1995-09-28 | 2012-06-21 | Fiberspar Corporation | Composite Spoolable Tube |
| CN102723136A (en) * | 2012-06-07 | 2012-10-10 | 广州凯恒特种电线电缆有限公司 | Stripe marked polyimide composite film wire and cable for aerospace and preparation process thereof |
| CN206489887U (en) * | 2017-02-24 | 2017-09-12 | 远东电缆有限公司 | A kind of wisdom energy EMUs high temperature-resistant cable |
| CN213366164U (en) * | 2020-10-13 | 2021-06-04 | 湖南华菱线缆股份有限公司 | High temperature resistant cable insulation system |
-
2020
- 2020-12-30 CN CN202011610526.3A patent/CN112768120A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120155813A1 (en) * | 1995-09-28 | 2012-06-21 | Fiberspar Corporation | Composite Spoolable Tube |
| CN1490824A (en) * | 2003-08-27 | 2004-04-21 | 马仕兴 | Silicon rubber heat resistant wire for heating coil |
| CN2924732Y (en) * | 2006-06-05 | 2007-07-18 | 南京全信传输科技有限公司 | Filmcovered insulated high-temperature line composed of polyimide and modified PTFE |
| CN201788728U (en) * | 2010-07-02 | 2011-04-06 | 广州凯恒特种电线电缆有限公司 | Insulated wire and cable |
| CN102723136A (en) * | 2012-06-07 | 2012-10-10 | 广州凯恒特种电线电缆有限公司 | Stripe marked polyimide composite film wire and cable for aerospace and preparation process thereof |
| CN206489887U (en) * | 2017-02-24 | 2017-09-12 | 远东电缆有限公司 | A kind of wisdom energy EMUs high temperature-resistant cable |
| CN213366164U (en) * | 2020-10-13 | 2021-06-04 | 湖南华菱线缆股份有限公司 | High temperature resistant cable insulation system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210507 |