CN112599290A - Self-rolling wave-proof sleeve structure for aerospace - Google Patents
Self-rolling wave-proof sleeve structure for aerospace Download PDFInfo
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- CN112599290A CN112599290A CN202011377825.7A CN202011377825A CN112599290A CN 112599290 A CN112599290 A CN 112599290A CN 202011377825 A CN202011377825 A CN 202011377825A CN 112599290 A CN112599290 A CN 112599290A
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- fiber
- sleeve
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- wire
- self
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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
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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
- H01B7/2806—Protection against damage caused by corrosion
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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
-
- 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
Abstract
The invention discloses a self-rolling wave-proof sleeve structure for aerospace, which comprises a first fiber weaving layer (1), a first shielding layer (2), a polytetrafluoroethylene sleeve (3), a second shielding layer (4) and a second fiber weaving layer (5), wherein the first fiber weaving layer (1), the first shielding layer (2), the polytetrafluoroethylene sleeve (3), the second shielding layer and the second fiber weaving layer are sequentially arranged from inside to outside and form an opening (6) along the axial direction. The invention adopts the mode that the first fiber woven layer and the second fiber woven layer are respectively positioned at the inner side and the outer side, so that the self-coiling performance of the whole wave-proof sleeve structure is improved, on the basis, the integral shielding performance is effectively improved through the arrangement of the sandwich structure of the first shielding layer, the polytetrafluoroethylene sleeve and the second shielding layer, in addition, the corrosion resistance and the temperature resistance of the wave-proof sleeve structure can be further improved, and the wave-proof sleeve structure is better suitable for the aerospace field with higher requirements.
Description
Technical Field
The invention relates to the field of wave-proof sleeve structures for aerospace, in particular to a self-rolling wave-proof sleeve structure for aerospace.
Background
The wave-proof sleeve mainly plays roles in mechanical protection, electromagnetic interference shielding and the like of a wire harness and a cable, is widely applied to the outside of the wire and the cable, has extremely wide application in daily production, and is widely applied to the fields of aerospace and the like with higher requirements.
However, in the process of using in the aerospace field, not only is the shielding effect of the composite material more required, but also the composite material is required to have better use requirements such as aging resistance, corrosion resistance and temperature resistance based on the use performance, and further the composite material is required to have the characteristics of self-rolling type and the like so as to be better used.
Disclosure of Invention
Aiming at the prior art, the invention aims to overcome the defects that the anti-wave sleeve in the prior art is poor in curling performance and cannot meet the use requirements in the aerospace field due to aging resistance, corrosion resistance, temperature resistance and the like, so that the self-rolling type anti-wave sleeve structure for the aerospace has a self-rolling type structure, can effectively improve the aging resistance, the corrosion resistance and the like, and is good in shielding performance.
In order to achieve the above object, the present invention provides a self-rolling type wave-proof sleeve structure for aerospace, which comprises a first fiber braided layer, a first shielding layer, a polytetrafluoroethylene sleeve, a second shielding layer and a second fiber braided layer, which are sequentially arranged from inside to outside; wherein the content of the first and second substances,
the weaving density of the first fiber weaving layer is smaller than that of the second fiber weaving layer;
the first shielding layer comprises a plurality of first braided wires and a plurality of second braided wires which are attached to the inner wall of the polytetrafluoroethylene sleeve in the circumferential direction and are twisted with each other, the axis of each first braided wire is parallel to the axis of the polytetrafluoroethylene sleeve, and the axis of each second braided wire is perpendicular to the axis of the polytetrafluoroethylene sleeve;
the second shielding layer includes many edges the third braided wire and the fourth braided wire that the circumference direction laminating of polytetrafluoroethylene sheathed tube outer wall and the mutual transposition set up, just the third braided wire with the axis of fourth braided wire respectively with be formed with the contained angle between the axis of polytetrafluoroethylene sheathed tube.
Preferably, the first woven fiber layer and the second woven fiber layer are formed by weaving single fibers and multiple fibers respectively.
Preferably, the single fibers are nylon fibers, and the multi-fibers are PET fibers and/or PBO fibers.
Preferably, the braided wire comprises a wire core and a wire sleeve wrapped outside the wire core; wherein the content of the first and second substances,
the wire core is made of metal material;
the wire sleeve is a rubber sleeve.
Preferably, the wire core is formed by twisting a plurality of tinned copper wires, and an inorganic filler is filled between the wire core and the wire sleeve.
Preferably, the inorganic filler is selected from carbon fibers and/or graphite powder.
Preferably, the outer surface of the wire sleeve is further provided with protrusions, and the protrusions are arranged on the outer surface of the wire sleeve in a diamond-shaped staggered manner.
Preferably, the height of the diamond-shaped protrusions on the first shielding layer is greater than the height of the diamond-shaped protrusions on the second shielding layer.
According to the technical scheme, the first fiber weaving layer and the second fiber weaving layer are respectively positioned on the inner side and the outer side, so that the self-rolling performance of the whole wave-proof sleeve structure is improved, on the basis, the integral shielding performance is effectively improved through the arrangement of the sandwich structure of the first shielding layer, the polytetrafluoroethylene sleeve and the second shielding layer, the corrosion resistance and the temperature resistance of the wave-proof sleeve structure can be further improved, and the wave-proof sleeve structure is better suitable for the aerospace field with higher requirements.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a self-rolling wave-proof sleeve structure for aerospace use according to the present invention;
FIG. 2 is a partial structural schematic diagram of a first shielding layer provided by the present invention;
FIG. 3 is a partial structural schematic diagram of a second shielding layer provided by the present invention;
fig. 4 is a partial structural schematic diagram of the wire cover provided by the invention.
Description of the reference numerals
1-first fiber braided layer 2-first shielding layer
3-Teflon sleeve 4-second shielding layer
5-second fiber woven layer 6-opening
7-first braided wire 8-second braided wire
9-third braided wire 10-fourth braided wire
11-projection.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1-4, the present invention provides a self-rolling type wave-proof sleeve structure for aerospace, which comprises a first fiber braid 1, a first shielding layer 2, a teflon sleeve 3, a second shielding layer 4 and a second fiber braid 5, which are sequentially arranged from inside to outside and are formed with an opening 6 along an axial direction; wherein the content of the first and second substances,
the weaving density of the first fiber weaving layer 1 is smaller than that of the second fiber weaving layer 5;
the first shielding layer 2 comprises a plurality of first braided wires 7 and a plurality of second braided wires 8 which are attached to the inner wall of the polytetrafluoroethylene sleeve 3 along the circumferential direction and are twisted with each other, the axis of the first braided wire 7 is parallel to the axis of the polytetrafluoroethylene sleeve 3, and the axis of the second braided wire 8 is perpendicular to the axis of the polytetrafluoroethylene sleeve 3;
second shielding layer 4 includes many edges the third braided wire 9 and the fourth braided wire 10 that the circumference direction laminating of polytetrafluoroethylene sleeve 3's outer wall and the mutual transposition set up, just the third braided wire 9 with the axis of fourth braided wire 10 separately with be formed with the contained angle between polytetrafluoroethylene sleeve 3's the axis.
Above-mentioned design is through adopting first fiber weaving layer 1 and second fiber weaving layer 5 to be located the mode in inboard and the outside respectively, improves the whole from rolling up the performance of ripples cover structure of preventing, on this basis, through the setting of first shielding layer 3, polytetrafluoroethylene sleeve pipe 4 and the 5 "sandwich" structure of second shielding layer, effectively improves holistic shielding property to, can further improve its corrosion-resistant and temperature resistance, be adapted to the aerospace field that requires more better. The teflon sleeve 4 here is of course a hose.
Based on the less weaving density of first fiber weaving layer 1, can realize inside from rolling up the performance more effectively, improve its whole toughness, effectively guarantee to roll up the in-process from effectively curling to and guarantee whole shielding and temperature resistant corrosion resistance performance etc. of preventing ripples cover structure.
In a preferred embodiment of the present invention, in order to further ensure that the relative stability and compactness of the knitting can be improved by the mixed knitting, and further ensure the self-rolling performance, each of the first fiber knitting layer 1 and the second fiber knitting layer 5 is formed by knitting single fibers and multiple fibers.
In a preferred embodiment of the present invention, in order to effectively ensure that single fibers and multiple fibers can be effectively mixed and woven, and to ensure that the first woven fiber layer 1 and the second woven fiber layer 5 after mixed and woven have better self-coiling performance, the single fibers are nylon fibers, and the multiple fibers are PET fibers and/or PBO fibers.
In another preferred embodiment of the present invention, in order to further improve the overall usability, the braided wire includes a wire core and a wire cover wrapped around the wire core; wherein the content of the first and second substances,
the wire core is made of metal material;
the wire sleeve is a rubber sleeve.
In a preferred embodiment, the wire core is formed by stranding a plurality of tinned copper wires, and an inorganic filler is filled between the wire core and the wire sleeve.
The inorganic filler is preferably an inorganic material having a certain shielding property, and in a further preferred embodiment, the inorganic filler is selected from carbon fiber and/or graphite powder in order to better ensure the shielding property after filling.
In another preferred embodiment of the present invention, the outer surface of the wire sleeve is further formed with protrusions 11, and the protrusions 11 are arranged on the outer surface of the wire sleeve in a diamond-shaped staggered manner. Of course, the protrusions 11 here are formed as a rhombus-shaped frame structure.
In a further preferred embodiment, the height of the diamond-shaped protrusions 11 on the first shielding layer 2 is greater than the height of the diamond-shaped protrusions 11 on the second shielding layer 4. Through the arrangement, the self-rolling performance of the whole wave-proof sleeve can be better realized on the premise of effectively ensuring the shielding performance and the stability of the whole structure.
The self-rolling wave-proof sleeve structure for aerospace obtained by the mode can be used in an environment of-60-260 ℃, and still has good shielding performance in a severe environment, and the whole structure is of a self-rolling structure, so that corresponding replacement and use can be conveniently carried out according to a use environment, the self-rolling wave-proof sleeve structure is not required to be arranged behind the outer part of a cable, and the convenience in use is greatly improved.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (8)
1. The aerospace self-rolling type wave-proof sleeve structure is characterized by comprising a first fiber woven layer (1), a first shielding layer (2), a polytetrafluoroethylene sleeve (3), a second shielding layer (4) and a second fiber woven layer (5), wherein the first fiber woven layer (1), the first shielding layer (2), the polytetrafluoroethylene sleeve (3), the second shielding layer and the second fiber woven layer are sequentially arranged from inside to outside and provided with an opening (6) along the axial direction; wherein the content of the first and second substances,
the weaving density of the first fiber weaving layer (1) is less than that of the second fiber weaving layer (5);
the first shielding layer (2) comprises a plurality of first braided wires (7) and second braided wires (8) which are attached to the inner wall of the polytetrafluoroethylene sleeve (3) in the circumferential direction and are twisted with each other, the axis of each first braided wire (7) is parallel to the axis of the polytetrafluoroethylene sleeve (3), and the axis of each second braided wire (8) is perpendicular to the axis of the polytetrafluoroethylene sleeve (3);
second shielding layer (4) include many edges the third braided wire (9) and fourth braided wire (10) that the circumference direction laminating of the outer wall of polytetrafluoroethylene sleeve pipe (3) and the mutual transposition set up, just third braided wire (9) with the axis of fourth braided wire (10) separately with be formed with the contained angle between the axis of polytetrafluoroethylene sleeve pipe (3).
2. The aerospace self-rolling wave shield structure according to claim 1, wherein the first woven fiber layer (1) and the second woven fiber layer (5) are each formed by weaving single fibers and multiple fibers.
3. The self-rolling wave screen structure according to claim 2, wherein the single fiber is nylon fiber and the multi-fiber is PET fiber and/or PBO fiber.
4. The self-rolling wave-proof sleeve structure for aerospace according to any one of claims 1-3, wherein the braided wire comprises a wire core and a wire sleeve wrapped outside the wire core; wherein the content of the first and second substances,
the wire core is made of metal material;
the wire sleeve is a rubber sleeve.
5. The aerospace self-rolling wave-preventing sheath structure according to claim 4, wherein the wire core is formed by stranding a plurality of tinned copper wires, and an inorganic filler is filled between the wire core and the sheath.
6. The self-rolling wave-shield structure for aerospace according to claim 5, wherein the inorganic filler is selected from carbon fiber and/or graphite powder.
7. The aerospace self-rolling type wave-proof sleeve structure according to claim 4, wherein the outer surface of the wire sleeve is further formed with protrusions (11), and the protrusions (11) are arranged on the outer surface of the wire sleeve in a diamond-shaped staggered manner.
8. The aerospace self-rolling wave screen structure according to claim 7, wherein the height of the diamond-shaped protrusions (11) on the first shielding layer (2) is greater than the height of the diamond-shaped protrusions (11) on the second shielding layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377825.7A CN112599290A (en) | 2020-11-30 | 2020-11-30 | Self-rolling wave-proof sleeve structure for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377825.7A CN112599290A (en) | 2020-11-30 | 2020-11-30 | Self-rolling wave-proof sleeve structure for aerospace |
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| Publication Number | Publication Date |
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| CN112599290A true CN112599290A (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011377825.7A Pending CN112599290A (en) | 2020-11-30 | 2020-11-30 | Self-rolling wave-proof sleeve structure for aerospace |
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Citations (10)
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| CN202816463U (en) * | 2012-08-29 | 2013-03-20 | 芜湖航天特种电缆厂 | Anticorrosion, high-strength and vibration damping special wave-proof sleeve for aerospace use |
| CN103607875A (en) * | 2013-11-20 | 2014-02-26 | 深圳市骏鼎达科技有限公司 | Auto-rolling shielding sleeve |
| CN204130219U (en) * | 2014-10-09 | 2015-01-28 | 上海熊猫线缆股份有限公司 | The synthetic fibers braided sheath video appliance of resistance to extreme temperature composite cable |
| CN205069176U (en) * | 2015-10-23 | 2016-03-02 | 安徽宏力特种线缆有限公司 | Light -dutyly prevent ripples cover |
| CN105788706A (en) * | 2016-04-25 | 2016-07-20 | 中国电子科技集团公司第二十三研究所 | Aerospace-used star quad communication cable and manufacturing method thereof |
| CN206467392U (en) * | 2017-02-16 | 2017-09-05 | 瑞纳智绝缘材料（苏州）有限公司 | A kind of volume sleeve pipe certainly |
| CN208077699U (en) * | 2018-02-28 | 2018-11-09 | 芜湖航飞科技股份有限公司 | A kind of self-rolling cryogenic shield wave prevention sleeve |
| CN208507245U (en) * | 2018-06-06 | 2019-02-15 | 安徽太平洋电缆股份有限公司 | A kind of aerospace shielded cable |
| CN110239153A (en) * | 2019-06-21 | 2019-09-17 | 吉林省亚安新材料有限公司 | A kind of self-rolling shielded tube and preparation method thereof with three-decker |
| CN111130031A (en) * | 2019-11-15 | 2020-05-08 | 安徽光复电缆有限公司 | Aerospace is with formula of rolling up opening shielding protective sheath certainly |
-
2020
- 2020-11-30 CN CN202011377825.7A patent/CN112599290A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202816463U (en) * | 2012-08-29 | 2013-03-20 | 芜湖航天特种电缆厂 | Anticorrosion, high-strength and vibration damping special wave-proof sleeve for aerospace use |
| CN103607875A (en) * | 2013-11-20 | 2014-02-26 | 深圳市骏鼎达科技有限公司 | Auto-rolling shielding sleeve |
| CN204130219U (en) * | 2014-10-09 | 2015-01-28 | 上海熊猫线缆股份有限公司 | The synthetic fibers braided sheath video appliance of resistance to extreme temperature composite cable |
| CN205069176U (en) * | 2015-10-23 | 2016-03-02 | 安徽宏力特种线缆有限公司 | Light -dutyly prevent ripples cover |
| CN105788706A (en) * | 2016-04-25 | 2016-07-20 | 中国电子科技集团公司第二十三研究所 | Aerospace-used star quad communication cable and manufacturing method thereof |
| CN206467392U (en) * | 2017-02-16 | 2017-09-05 | 瑞纳智绝缘材料（苏州）有限公司 | A kind of volume sleeve pipe certainly |
| CN208077699U (en) * | 2018-02-28 | 2018-11-09 | 芜湖航飞科技股份有限公司 | A kind of self-rolling cryogenic shield wave prevention sleeve |
| CN208507245U (en) * | 2018-06-06 | 2019-02-15 | 安徽太平洋电缆股份有限公司 | A kind of aerospace shielded cable |
| CN110239153A (en) * | 2019-06-21 | 2019-09-17 | 吉林省亚安新材料有限公司 | A kind of self-rolling shielded tube and preparation method thereof with three-decker |
| CN111130031A (en) * | 2019-11-15 | 2020-05-08 | 安徽光复电缆有限公司 | Aerospace is with formula of rolling up opening shielding protective sheath certainly |
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Application publication date: 20210402 |