CN219979165U - Electronic control flexible cable for aerospace special type - Google Patents
Electronic control flexible cable for aerospace special type Download PDFInfo
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- CN219979165U CN219979165U CN202321278962.4U CN202321278962U CN219979165U CN 219979165 U CN219979165 U CN 219979165U CN 202321278962 U CN202321278962 U CN 202321278962U CN 219979165 U CN219979165 U CN 219979165U
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- layer
- insulating layer
- electronic control
- flexible cable
- conductor
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- 239000004642 Polyimide Substances 0.000 claims abstract description 41
- 229920001721 polyimide Polymers 0.000 claims abstract description 41
- 239000004020 conductor Substances 0.000 claims abstract description 33
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 33
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 105
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 238000007747 plating Methods 0.000 claims description 3
- 239000007888 film coating Substances 0.000 claims description 2
- 238000009501 film coating Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229920006351 engineering plastic Polymers 0.000 description 3
- 125000005462 imide group Chemical group 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The utility model belongs to the technical field of cables, and discloses an electronic control flexible cable for aerospace special use, which comprises a conductor, wherein a perfluoroethylene insulating layer is arranged on the side wall of the conductor, a polyimide insulating layer is arranged on the side wall of the perfluoroethylene insulating layer, a tin paper layer is arranged on the side wall of the polyimide insulating layer, and a wear-resisting layer is arranged on the side wall of the tin paper layer. The utility model has the effect of improving the softness of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an electronic control flexible cable for aerospace special use.
Background
The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc. Along with the aggravation of electricity consumption of human beings, the cable has obtained extensive application, and cable inner conductor easily generates heat, and the conflagration is easily triggered to the cable of bad material, and the design of the internal structure of this cable and the application of internal material have determined the security performance of cable to a great extent.
The utility model discloses a high-wear-resistance fireproof high-temperature-resistant cable in China patent with the publication number of CN206471143U, which comprises a reinforced core, conductors, a conductor insulating layer, a filler layer, a reinforced sleeve, a glass fiber layer, a fireproof mica layer, an aluminum foil shielding layer and a wear-resistant protective layer, wherein the outer wall surfaces of a plurality of conductors are respectively wrapped and provided with the conductor insulating layer, the inner periphery of the surrounding arrangement of the conductors is axially provided with the reinforced core, and the periphery of the conductors is sleeved with the reinforced sleeve; a filler layer is filled in the reinforcing sleeve between the reinforcing core and the conductor and in the inner wall range of the reinforcing sleeve; the outer wall of the reinforcing sleeve is sequentially wrapped with a glass fiber layer, a fire-resistant mica layer, an aluminum foil shielding layer and a wear-resistant protective layer from inside to outside. The utility model provides a high-wear-resistance fireproof high-temperature-resistance cable which is stable in structure and has the characteristics of high temperature resistance, high wear resistance and the like.
The fire-resistant material is filled in the cable to improve the high temperature resistance of the cable, however, as most of the fire-resistant material is non-flexible, the cable is easy to bend and lower in softness, and when a worker needs to use the cable in a narrow space, the operation difficulty is high, so that the cable is not beneficial to improving the application range of the cable.
Disclosure of Invention
In order to solve the problems, the utility model provides an electronic control flexible cable for aerospace special use.
The technical aim of the utility model is realized by the following technical scheme:
the special electronic control flexible cable for aerospace comprises a conductor, wherein a perfluoroethylene insulating layer is arranged on the side wall of the conductor, a polyimide insulating layer is arranged on the side wall of the perfluoroethylene insulating layer, a tin paper layer is arranged on the side wall of the polyimide insulating layer, and a wear-resistant layer is arranged on the side wall of the tin paper layer.
By adopting the technical scheme, the perfluoroethylene, also called tetrafluoroethylene, is an organic compound, has a chemical formula of C2F4, is colorless gas at normal temperature and normal pressure, is insoluble in water, and is mainly used as a raw material for manufacturing novel heat-resistant plastics, engineering plastics, novel fire extinguishing agents and mist suppressants. The perfluoroethylene insulating layer made of perfluoroethylene has good heat resistance and insulativity, so that the heat resistance of the cable is improved. Polyimide refers to a polymer with imide ring on the main chain, and is one of organic high polymer materials with optimal comprehensive performance. The high temperature resistance reaches more than 400 ℃, the long-term use temperature ranges from-200 ℃ to 300 ℃, part of the high-temperature-resistant insulating material has no obvious melting point, the high-temperature-resistant insulating material has high insulating property, the dielectric constant is 4.0 under 103 Hz, the dielectric loss is only 0.004 to 0.007, and the high-temperature-resistant insulating material belongs to F-H grade insulation. The polyimide insulating layer made of polyimide further strengthens the heat resistance of the lead, and meanwhile, the polyimide insulating layer and the perfluoroethylene insulating layer have good softness, so that the use experience of staff is improved.
Further, the conductor is made of monocrystalline copper.
By adopting the technical scheme, the single crystal copper is high-purity oxygen-free copper, the whole copper rod of the single crystal copper consists of only one crystal grain, no crystal boundary is generated between the crystal grains (the crystal boundary can reflect and refract the passing signal to cause signal distortion and attenuation), and therefore the single crystal copper has extremely high signal transmission performance. Compared with the traditional oxygen-free copper conductor, the conductor made of single-crystal copper better reduces the loss in the signal transmission process, has higher reliability, and improves the use experience of staff.
Further, a silver plating layer is arranged between the conductor and the perfluoroethylene insulating layer.
By adopting the technical scheme, for copper, silver has better transmission efficiency and smaller transmission loss, and silver coating further reduces loss when conductors transmit signals, so that use experience of staff is improved.
Further, the polyimide insulating layer is made of aliphatic polyimide.
By adopting the technical scheme, polyimide can be divided into three kinds of aliphatic polyimide, semi-aromatic polyimide and aromatic polyimide according to the chemical structure of the repeating unit. The polyimide insulating layer made of the aliphatic polyimide has good material characteristics, so that the stability of the cable is improved.
Further, a braided wire layer for improving hand feeling is arranged on the side wall of the wear-resistant layer.
By adopting the technical scheme, the texture of the cable is improved, so that the ornamental value of the cable is improved.
Further, a fluorescent layer is arranged between the braided wire layer and the wear-resistant layer.
Through adopting above-mentioned technical scheme, after the long-time use of braided wire layer, braided wire layer easily takes place the loss, and at this moment, the fluorescent layer is easily exposed in the air directly. At this time, the fluorescent layer which is easy to reflect light is easy to be found by the staff, so that the probability that the staff finds the abrasion of the cable is improved.
Further, a coating layer for shading is arranged on the inner wall of the braided wire layer.
Through adopting above-mentioned technical scheme, reduced the probability that light penetrated the braided wire layer when the staff overhauld the cable through the flashlight to the degree of difficulty that the staff overhauld has been reduced.
Further, an adhesive layer is arranged between the coating layer and the braided wire layer.
By adopting the technical scheme, the connection tightness of the braided wire layer and the coating layer is improved, so that the texture of the cable is improved.
In summary, the utility model has the following beneficial effects:
1. the perfluoro ethylene, also called tetrafluoroethylene, is an organic compound with chemical formula of C2F4, is colorless gas at normal temperature and normal pressure, is insoluble in water, and is mainly used as raw material for preparing novel heat-resistant plastics, engineering plastics, novel fire extinguishing agent and fog inhibitor. The perfluoroethylene insulating layer made of perfluoroethylene has good heat resistance and insulativity, so that the heat resistance of the cable is improved. Polyimide refers to a polymer with imide ring on the main chain, and is one of organic high polymer materials with optimal comprehensive performance. The high temperature resistance reaches more than 400 ℃, the long-term use temperature ranges from-200 ℃ to 300 ℃, part of the high-temperature-resistant insulating material has no obvious melting point, the high-temperature-resistant insulating material has high insulating property, the dielectric constant is 4.0 under 103 Hz, the dielectric loss is only 0.004 to 0.007, and the high-temperature-resistant insulating material belongs to F-H grade insulation. The polyimide insulating layer made of polyimide further strengthens the heat resistance of the lead, and meanwhile, the polyimide insulating layer and the perfluoroethylene insulating layer have good softness, so that the use experience of staff is improved;
2. in the utility model, single crystal copper is high purity oxygen-free copper, the whole copper rod is composed of only one crystal grain, and no crystal boundary is generated between the crystal grains (the crystal boundary can reflect and refract the passing signal to cause signal distortion and attenuation), so the single crystal copper has extremely high signal transmission performance. Compared with the traditional oxygen-free copper conductor, the conductor made of single-crystal copper better reduces the loss in the signal transmission process, has higher reliability, and thus improves the use experience of staff;
3. in the utility model, compared with copper, silver has better transmission efficiency and smaller transmission loss, and the silver coating further reduces the loss when the conductor transmits signals, thereby improving the use experience of staff.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an adhesive layer and a connection structure thereof according to an embodiment of the present utility model.
In the figure: 1. a conductor; 2. a perfluoroethylene insulating layer; 3. a polyimide insulating layer; 4. a tin paper layer; 5. a wear-resistant layer; 6. silver plating; 7. braiding a wire layer; 8. a fluorescent layer; 9. a coating layer; 91. an adhesive layer.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
As shown in fig. 1 and 2, the embodiment of the utility model discloses an electronic control flexible cable for special aerospace, which comprises a conductor 1, a perfluoroethylene insulating layer 2, a polyimide insulating layer 3, a tinfoil layer 4, a wear-resistant layer 5, a silver-plated layer 6, a braided wire layer 7, a fluorescent layer 8, a film coating layer 9 and an adhesive layer 91.
The conductor 1 is made of single crystal copper for transmitting signals. The perfluoroethylene insulating layer 2 is made of perfluoroethylene, and the perfluoroethylene insulating layer 2 is arranged on the side wall of the conductor 1. The polyimide insulating layer 3 is made of polyimide, and the polyimide insulating layer 3 is provided on the sidewall of the perfluoroethylene insulating layer 2. The tin paper layer 4 is arranged on the side wall of the polyimide insulating layer 3 and is used for improving the heat insulation performance of the cable. The wear-resistant layer 5 is arranged on the side wall of the tinfoil layer 4 for improving the wear resistance of the cable.
Single crystal copper is high purity oxygen-free copper, the whole copper rod is composed of only one crystal grain, no crystal boundary is generated between the crystal grains (the crystal boundary can reflect and refract the passing signal, and signal distortion and attenuation are caused), so the single crystal copper has extremely high signal transmission performance. Compared with the traditional oxygen-free copper conductor 1, the conductor 1 made of single-crystal copper better reduces the loss in the signal transmission process, has higher reliability, and improves the use experience of staff.
The silver coating 6 is arranged between the conductor 1 and the perfluoroethylene insulating layer 2, and compared with copper, silver has better transmission efficiency and smaller transmission loss, and the silver coating 6 further reduces the loss when the conductor 1 transmits signals, so that the use experience of staff is improved.
In order to improve the stability of the cable, the polyimide insulating layer 3 is made of aliphatic polyimide. Polyimide can be classified into aliphatic, semiaromatic and aromatic polyimides according to the chemical structure of the repeating unit. The polyimide insulating layer 3 made of aliphatic polyimide has good material characteristics, so that the stability of the cable is improved.
The braided wire layer 7 is arranged on the side wall of the wear-resistant layer 5 and is used for improving the hand feeling of the cable.
The fluorescent layer 8 is arranged between the braided wire layer 7 and the wear-resistant layer 5, when the braided wire layer 7 is used for a long time, the braided wire layer 7 is easy to generate loss, and at the moment, the fluorescent layer 8 is easy to be directly exposed in the air. At this time, the fluorescent layer 8 which easily reflects light is easily found by the worker, thereby improving the probability that the worker finds the abrasion of the cable.
The coating layer 9 is arranged on the inner wall of the braided wire layer 7 and is used for shading light. The adhesive layer 91 is disposed between the coating layer 9 and the braided wire layer 7, for improving connection tightness between the braided wire layer 7 and the coating layer 9. The coating layer 9 reduces the probability that light penetrates the braided wire layer 7 when a worker overhauls the cable through the flashlight, thereby reducing the overhauling difficulty of the worker.
The use principle of the electronic control flexible cable for aerospace special use in the embodiment is as follows: perfluoroethylene, also known as tetrafluoroethylene, is an organic compound with a chemical formula of C2F4, is colorless gas at normal temperature and normal pressure, is insoluble in water, and is mainly used as a raw material for preparing novel heat-resistant plastics, engineering plastics, novel fire extinguishing agents and antifogging agents. The perfluoroethylene insulating layer 2 made of perfluoroethylene has good heat resistance and insulativity, so that the heat resistance of the cable is improved. Polyimide refers to a polymer with imide ring on the main chain, and is one of organic high polymer materials with optimal comprehensive performance. The high-temperature resistance reaches more than 400 ℃, the long-term use temperature range is-200-300 ℃, part of the high-temperature insulation material has no obvious melting point, the high-temperature insulation material has high insulation performance, the dielectric constant is 4.0 under 103 Hz, the dielectric loss is only 0.004-0.007, and the high-temperature insulation material belongs to F-H level insulation. The polyimide insulating layer 3 made of polyimide further strengthens the heat resistance of the lead, and meanwhile, the polyimide insulating layer 3 and the perfluoroethylene insulating layer 2 have good softness, so that the use experience of staff is improved.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (8)
1. The special electronic control flexible cable for aerospace comprises a conductor (1), and is characterized in that: be provided with perfluoroethylene insulating layer (2) on the lateral wall of conductor (1), be provided with polyimide insulating layer (3) on the lateral wall of perfluoroethylene insulating layer (2), be provided with tin paper layer (4) on the lateral wall of polyimide insulating layer (3), be provided with wearing layer (5) on the lateral wall of tin paper layer (4).
2. The special electronic control flexible cable for aerospace according to claim 1, wherein: the conductor (1) is a conductor (1) made of monocrystalline copper.
3. The special electronic control flexible cable for aerospace according to claim 2, wherein: a silver plating layer (6) is arranged between the conductor (1) and the perfluoroethylene insulating layer (2).
4. The special electronic control flexible cable for aerospace according to claim 1, wherein: the polyimide insulating layer (3) is a polyimide insulating layer (3) made of aliphatic polyimide.
5. The special electronic control flexible cable for aerospace according to claim 3, wherein: the side wall of the wear-resistant layer (5) is provided with a braided wire layer (7) for improving hand feeling.
6. The special electronic control flexible cable for aerospace according to claim 5, wherein: a fluorescent layer (8) is arranged between the braided wire layer (7) and the wear-resistant layer (5).
7. The special electronic control flexible cable for aerospace according to claim 6, wherein: a film coating layer (9) for shading is arranged on the inner wall of the braided wire layer (7).
8. The special electronic control flexible cable for aerospace according to claim 7, wherein: an adhesive layer (91) is arranged between the coating layer (9) and the braided wire layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278962.4U CN219979165U (en) | 2023-05-25 | 2023-05-25 | Electronic control flexible cable for aerospace special type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278962.4U CN219979165U (en) | 2023-05-25 | 2023-05-25 | Electronic control flexible cable for aerospace special type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979165U true CN219979165U (en) | 2023-11-07 |
Family
ID=88590963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321278962.4U Active CN219979165U (en) | 2023-05-25 | 2023-05-25 | Electronic control flexible cable for aerospace special type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979165U (en) |
-
2023
- 2023-05-25 CN CN202321278962.4U patent/CN219979165U/en active Active
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