CN113345632A - Tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and manufacturing device - Google Patents
Tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and manufacturing device Download PDFInfo
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- CN113345632A CN113345632A CN202110699303.7A CN202110699303A CN113345632A CN 113345632 A CN113345632 A CN 113345632A CN 202110699303 A CN202110699303 A CN 202110699303A CN 113345632 A CN113345632 A CN 113345632A
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- 239000004812 Fluorinated ethylene propylene Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920009441 perflouroethylene propylene Polymers 0.000 title claims abstract description 20
- 239000010410 layer Substances 0.000 claims abstract description 202
- 239000011241 protective layer Substances 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000010146 3D printing Methods 0.000 claims abstract description 22
- 238000007639 printing Methods 0.000 claims abstract description 16
- 230000011218 segmentation Effects 0.000 claims abstract description 15
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims abstract description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007765 extrusion coating Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 10
- 239000011858 nanopowder Substances 0.000 claims description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000000701 coagulant Substances 0.000 claims description 6
- 239000002114 nanocomposite Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000004760 aramid Substances 0.000 claims description 4
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims description 3
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims description 3
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical group OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims description 3
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims description 3
- 125000002243 cyclohexanonyl group Chemical group *C1(*)C(=O)C(*)(*)C(*)(*)C(*)(*)C1(*)* 0.000 claims description 3
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexyloxide Natural products O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 9
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- 229920006231 aramid fiber Polymers 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 239000004033 plastic Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electric Cables (AREA)
Abstract
The invention provides a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and a manufacturing device, wherein the wire comprises a copper core, a first insulating layer, a shielding layer, a second insulating layer, a protective layer and a balance layer; the outer surface of the copper core is plated with tin; the first insulating layer is formed on the copper core in an extruding mode; the shielding layer covers the outer side face of the first insulating layer; the second insulating layer is formed by extrusion coating outside the shielding layer, and the first insulating layer and the second insulating layer are fluorinated ethylene propylene; the protective layer is arranged on the outer side surface of the second insulating layer. The manufacturing device comprises a segmentation positioning module, an electronic weight measuring module, an operation module, an execution module and a 3D printing module; the device is used for segmenting, positioning and measuring the segmented quality of the electric wire after the protective layer is arranged; calculating according to the quality of each subsection and the set standard quality of the subsection to obtain the material consumption of the positioning subsection balancing layer; forming a control instruction; and controlling the material consumption of the printing positioning segmented balance layer by using the 3D printing module.
Description
Technical Field
The invention relates to the technical field of aerospace wires and manufacturing equipment, in particular to a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and a manufacturing device.
Background
The aerospace technology level is the manifestation of national comprehensive strength, and products matched with aerospace are continuously updated with the rapid development of science and technology. With the continuous improvement of the electrification, automation and systematization degree of aerospace equipment, the electric wire is used as a blood vessel and a nerve of an aircraft and a spacecraft, on one hand, the use amount of the electric wire is larger and larger, and on the other hand, higher requirements on the quality, safety and reliability of the electric wire are provided.
The aerospace wire needs to have wide temperature adaptability, high strength and elasticity, excellent wear resistance and the like. The application number is 201910686436.3 patent, a flexible biography accuse aviation cable and processing method thereof, wherein aviation cable includes the cable core, twines the shielding layer and the cladding on cable core surface isolation layer on the shielding layer, the cable core includes the conductor and sets up at the outside insulating layer of conductor, it has tensile spare to fill between the conductor, the shielding layer includes aluminium-plastic composite tape and the winding of aluminium face towards the isolation layer the oblique package galvanized copper wire layer in aluminium-plastic composite tape, the outside of isolation layer is provided with the cable sheath, the cable sheath includes interior sheath and outer jacket.
The aerospace equipment has high requirement on balance, so that the balance needs to be evaluated or compensated by considering the mass of each component in the design; the electric wire exists in a plurality of parts of the aerospace equipment, so the quality evaluation of the electric wire can influence the balance of the aerospace equipment, and therefore, if the linear distribution of the self weight of the adopted electric wire is not uniform, the balance of the aerospace equipment can be influenced, and the production of the electric wire in the prior art has no special attention to the uniform linear distribution of the weight of the electric wire.
Disclosure of Invention
In order to solve the technical problem, the invention provides a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, which comprises a copper core, a first insulating layer, a shielding layer, a second insulating layer, a protective layer and a balance layer;
the outer surface of the copper core is plated with tin; the first insulating layer is formed on the copper core in an extruding mode; the shielding layer covers the outer side face of the first insulating layer; the second insulating layer is formed by extrusion coating outside the shielding layer, and the first insulating layer and the second insulating layer are fluorinated ethylene propylene; the protective layer is arranged on the outer side surface of the second insulating layer; the balance layer is arranged on the outer side surface of the protective layer and is formed in the following mode:
firstly, positioning in a segmentation mode and measuring the segmentation quality of the electric wire after the protective layer is arranged; and controlling the material consumption of the positioning subsection printing balance layer in a 3D printing mode according to the set subsection standard quality, so that the subsection quality of the electric wire is equal to the subsection standard quality.
Optionally, the balance layer is made of a titanium alloy nanocomposite, the titanium alloy nanocomposite comprises titanium alloy nanopowder, epoxy resin, a solvent, an auxiliary agent and a coagulant, and the mass ratio of the titanium alloy nanopowder to the epoxy resin is 4: 12: 4: 1: 4;
the titanium alloy nano powder is prepared from titanium, molybdenum and nickel in a mass ratio of 10: 3: 8 alloy nanopowder; the epoxy resin adopts E44 or E20 or E12, and the solvent is cyclohexanone or butanone or n-butanone; the auxiliary agent comprises the following components in percentage by mass: 1: 1 leveling agent, defoaming agent and anti-settling agent; the coagulant is cardanol monoamino condensate.
Optionally, the copper core is a plurality of tinned copper wires, and the plurality of tinned copper wires are wound in a spiral manner to form a stranded conductor; the diameter of a single strand of the tinned copper wire is 0.04-0.06 mm, and the thickness of the plating layer is 1-2 um.
Optionally, the thickness of the first insulating layer is 1-2 mm, and the concentricity is not less than 85%; the thickness of the second insulating layer is not less than 1 mm.
Optionally, the copper core is provided with a tensile member, the tensile member is a plurality of strands of aramid filaments, and the aramid filaments are 1000-1200 denier.
Optionally, the segment quality is motion compensated by using the following calculation formula:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
Optionally, when the balance layer is printed, a double-layer circular ring-shaped rotating disc frame is adopted, the inner layer and the outer layer of the rotating disc frame relatively rotate, a central circular hole of the inner layer of the rotating disc frame is used for passing a wire, a 3D printing nozzle is fixed on the outer layer of the rotating disc frame, and the material spraying speed of the nozzle is calculated by the following formula:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
The invention also provides a device for manufacturing the tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, which comprises a segmented positioning module, an electronic weight measuring module, an operation module, an execution module and a 3D printing module;
the segmented positioning module is used for segmenting the electric wire provided with the protective layer and positioning and tracking the segmented electric wire;
the electronic weight measuring module is used for measuring the quality of each section of the electric wire after the protective layer is arranged;
the operation module is respectively connected with the segmentation positioning module, the electronic weight measuring module and the execution module, and is used for performing operation according to the mass of each segment and the set segment standard mass to obtain the material consumption of the positioning segmentation balancing layer;
the execution module forms a control instruction according to the material usage of the positioning segmented balance layer;
the 3D printing module is connected with the execution module, and the 3D printing module is controlled by a control instruction to print the material consumption of the positioning subsection balancing layer.
Optionally, the operation module performs motion compensation on the segment quality by using the following calculation formula:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
Optionally, the manufacturing apparatus is provided with a double-layer circular ring-shaped rotating disc rack, the inner layer and the outer layer of the rotating disc rack rotate relatively, a central circular hole of the inner layer of the rotating disc rack is used for passing a wire, a 3D-printed nozzle is fixed on the outer layer of the rotating disc rack, the operation module is connected with an angular velocity sensor, the angular velocity sensor is used for measuring the relative angular velocity of the inner layer and the outer layer, and the operation module calculates the material spraying speed of the nozzle by using the following formula:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
According to the tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, the tin-plated copper core is used as a conductor, the two insulating layers are arranged, the shielding layer is arranged between the two insulating layers, so that the bonding degree of each layer is better, the insulating effect is good, the shielding layer can be effectively protected, the service life of the shielding layer is prolonged, and the protective layer is arranged on the outer side surface of the second insulating layer used as the outer insulating layer, so that the insulating layer can be prevented from being damaged; in addition, adopt the 3D printing mode to form the balance layer at the lateral surface of protective layer, through measurement and the 3D material control to setting up electric wire behind the protective layer, reach and let the weight linear distribution of electric wire itself even, avoid the linear weight of electric wire to have great error and influence aerospace equipment equilibrium.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 cross-sectional structure view of a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace use according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the equipment for manufacturing the tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace use.
In the figure: 1-copper core, 2-first insulating layer, 3-shielding layer, 4-second insulating layer, 5-protective layer, 6-balance layer.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1, an embodiment of the present invention provides a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, including a copper core 1, a first insulating layer 2, a shielding layer 3, a second insulating layer 4, a protective layer 5, and a balance layer 6;
the outer surface of the copper core 1 is plated with tin; the first insulating layer 2 is formed on the copper core 1 in an extruding mode; the shielding layer 3 covers the outer side surface of the first insulating layer 2; the second insulating layer 4 is formed by extrusion coating outside the shielding layer 3, and the first insulating layer 2 and the second insulating layer 4 are made of fluorinated ethylene propylene; the protective layer 5 is arranged on the outer side surface of the second insulating layer 4; the balance layer 6 is arranged on the outer side surface of the protective layer 5 and is formed in the following mode:
firstly, positioning in a segmentation mode and measuring the segmentation quality of the electric wire after the protective layer is arranged; and controlling the material consumption of the positioning subsection printing balance layer in a 3D printing mode according to the set subsection standard quality, so that the subsection quality of the electric wire is equal to the subsection standard quality.
The working principle and the beneficial effects of the technical scheme are as follows: according to the tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, the tin-plated copper core is used as a conductor, the two insulating layers are arranged, the shielding layer is arranged between the two insulating layers, so that the bonding degree of each layer is better, the insulating effect is good, the shielding layer can be effectively protected, the service life of the shielding layer is prolonged, and the protective layer is arranged on the outer side surface of the second insulating layer used as an outer insulating layer, so that the insulating layer can be prevented from being damaged; in addition, adopt the 3D printing mode to form the balance layer at the lateral surface of protective layer, through measurement and the 3D material control to setting up electric wire behind the protective layer, reach and let the weight linear distribution of electric wire itself even, avoid the linear weight of electric wire to have great error and influence aerospace equipment equilibrium.
In one embodiment, the balance layer is a titanium alloy nanocomposite material, which comprises titanium alloy nanopowder, epoxy resin, solvent, auxiliary agent and coagulant in a mass ratio of 4: 12: 4: 1: 4;
the titanium alloy nano powder is prepared from titanium, molybdenum and nickel in a mass ratio of 10: 3: 8 alloy nanopowder; the epoxy resin adopts E44 or E20 or E12, and the solvent is cyclohexanone or butanone or n-butanone; the auxiliary agent comprises the following components in percentage by mass: 1: 1 leveling agent, defoaming agent and anti-settling agent; the coagulant is cardanol monoamino condensate.
The working principle and the beneficial effects of the technical scheme are as follows: the balance layer of this scheme adopts titanium alloy nanocomposite, on the even basis of the weight linear distribution that realizes electric wire itself to this material still possesses stronger wearability and anticorrosive nature through the balance layer that prints the formation, can further improve the adaptability of electric wire to outside operational environment, and the normal work of protection electric wire improves life.
In one embodiment, the copper core is a plurality of strands of tinned copper wires, and the plurality of strands of tinned copper wires are wound in a spiral form with each other to form a stranded conductor; the diameter of a single strand of the tinned copper wire is 0.04-0.06 mm, and the thickness of the plating layer is 1-2 um.
The working principle and the beneficial effects of the technical scheme are as follows: the copper core of the scheme adopts a plurality of strands of tinned copper wires which are mutually wound in a spiral form to form a stranded conductor, so that the flexibility of the wire is enhanced; the thin copper wires are used as conductors, flexibility of the electric wires can be enhanced, and bending performance of the electric wires is improved, so that a turning angle with a small bending radius can exist during use, and the electric wires are convenient to lay.
In one embodiment, the first insulating layer has a thickness of 1-2 mm, and the concentricity is not less than 85%; the thickness of the second insulating layer is not less than 1 mm; the copper core is equipped with tensile spare, tensile spare is stranded aramid fiber silk, aramid fiber silk is 1000 ~ 1200 danni numbers.
The working principle and the beneficial effects of the technical scheme are as follows: this scheme has carried out the selection to the thickness of first insulating layer and second insulating layer and has set for, and the insulating properties of guarantee electric wire prevents that electric wire circumference insulating layer thickness is uneven to the requirement of first insulating layer regulation concentricity, avoids having easy damaged weak position point, prevents to increase the electric leakage risk.
In one embodiment, the segment quality is motion compensated using the following calculation:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
The working principle and the beneficial effects of the technical scheme are as follows: the method calculates the segmental quality of each segment of the electric wire after motion compensation through the formula, the algorithm considers the influence of the dynamic characteristics of the electric wire in the production process on the segmental quality measurement of the electric wire, the change of the moving speed of the electric wire easily causes friction force and vibration, the measured value of the segmental quality is compensated through detecting the change value of the moving speed and the dynamic characteristics of the change value of the moving speed, and the compensated segmental quality is used for data analysis, so that the result of the data analysis is more accurate and reliable, and the control precision is improved.
In one embodiment, when the balance layer is printed, a double-layer circular ring-shaped rotary table frame is adopted, the inner layer and the outer layer of the rotary table frame rotate relatively, a central circular hole of the inner layer of the rotary table frame is used for passing a wire, a 3D printing nozzle is fixed on the outer layer of the rotary table frame, and the material spraying speed of the nozzle is calculated by adopting the following formula:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
The working principle and the beneficial effects of the technical scheme are as follows: the scheme is that the double-layer concentric circular ring-shaped rotary plate frame is arranged, namely the inner layer and the outer layer of the rotary plate frame are concentric rings and can relatively rotate, wherein the inner layer and the outer layer of the rotary plate frame relatively rotate, the inner layer can rotate without rotating while the outer layer rotates around the inner layer, or the outer layer can rotate without rotating while the inner layer rotates, or the inner layer and the outer layer simultaneously rotate in opposite directions, and the rotation of the inner layer and the outer layer can be reversed once after rotating for one circle (360 degrees); the method comprises the following steps that a central circular ring hole in the inner layer of a rotary disc frame is used for passing a wire, a 3D printing nozzle is fixed on the outer layer of the rotary disc frame, and the material spraying speed of the nozzle during printing of a balance layer, namely the volume of the material sprayed by the nozzle in unit time, is calculated by adopting the formula; and the printing control of the wire balance layer corresponding to the segmented positioning is performed according to the segmented calculation result, so that the circumferential and linear uniformity of the balance layer printing is higher.
As shown in fig. 2, an embodiment of the present invention further provides an apparatus for manufacturing a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace, including a segment positioning module 10, an electronic weight measuring module 20, an operation module 30, an execution module 40, and a 3D printing module 50;
the segmentation positioning module 10 is used for segmenting the electric wire provided with the protective layer and positioning and tracking the segmented electric wire;
the electronic weight measuring module 20 is used for measuring the quality of each section of the electric wire after the protective layer is arranged;
the operation module 30 is respectively connected with the segment positioning module 10, the electronic weight measuring module 20 and the execution module 40, and the operation module 30 is used for performing operation according to the mass of each segment and the set segment standard mass to obtain the material usage of the positioning segment balancing layer;
the execution module 40 forms a control instruction according to the material usage of the positioning subsection balancing layer;
the 3D printing module 50 is connected to the executing module 40, and the 3D printing module 50 controls the material usage of the printing positioning segment balancing layer according to a control instruction.
The working principle and the beneficial effects of the technical scheme are as follows: the utility model provides a space flight is with tin-plated copper core gathers perfluor ethylene propylene insulated wire manufacturing installation for aviation, through setting up segmentation orientation module and electron weight measuring module and fix a position and measure the quality to each segmentation of setting up electric wire behind the protective layer, offer the operation module with measured data and calculate, obtain the material quantity of location segmentation balanced layer, be used for letting execution module control 3D print module adopt 3D printing mode to form balanced layer at the lateral surface of protective layer, through measurement and 3D materials control to setting up electric wire behind the protective layer, it is even to reach the weight linear distribution who lets electric wire itself, avoid the linear weight of electric wire to have great error and influence aerospace equipment equilibrium.
In one embodiment, the operation module performs motion compensation on the segment quality by using the following calculation formula:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
The working principle and the beneficial effects of the technical scheme are as follows: according to the scheme, the operation module calculates the segmented quality of each segment of the electric wire after motion compensation through the formula, the algorithm considers the influence of the dynamic characteristics of the electric wire in the production process on the segmented quality measurement of the electric wire, the change of the moving speed of the electric wire easily causes friction force and vibration, the measured value of the segmented quality is compensated through detecting the change value of the moving speed and the dynamic characteristics of the change value of the moving speed, and the compensated segmented quality is used for data analysis, so that the result of the data analysis is more accurate and reliable, and the control precision is improved.
In one embodiment, the manufacturing device is provided with a double-layer circular ring-shaped rotating plate frame, the inner layer and the outer layer of the rotating plate frame rotate relatively, a central circular ring hole of the inner layer of the rotating plate frame is used for passing a wire, a 3D printing nozzle is fixed on the outer layer of the rotating plate frame, the operation module is connected with an angular velocity sensor, the angular velocity sensor is used for measuring the relative angular velocity of the rotating movement of the inner layer and the outer layer, and the operation module adopts the following formula to calculate the material spraying speed of the nozzle:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
The working principle and the beneficial effects of the technical scheme are as follows: the manufacturing device of the scheme is provided with a double-layer concentric circular ring-shaped rotary plate frame, namely, the inner layer and the outer layer of the rotary plate frame are concentric rings and can relatively rotate, wherein the inner layer and the outer layer of the rotary plate frame relatively rotate, the inner layer can rotate without rotating while the outer layer rotates around the inner layer, or the outer layer can rotate without rotating while the inner layer rotates, or the inner layer and the outer layer simultaneously rotate in opposite directions, and the rotation of the inner layer and the outer layer can be reversed once after rotating for one circle (360 degrees); the central circular ring hole of the inner layer of the rotary disc frame is used for passing through an electric wire, the outer layer of the rotary disc frame is fixedly provided with a 3D printing nozzle, the angular velocity sensor is used for measuring the relative angular velocity of the rotary motion of the inner layer and the outer layer, and the operation module adopts the formula to calculate the material spraying speed of the nozzle when the balance layer is printed, namely the volume of the material sprayed by the nozzle in unit time; and the printing control of the wire balance layer corresponding to the segmented positioning is performed according to the segmented calculation result, so that the circumferential and linear uniformity of the balance layer printing is higher.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace use is characterized by comprising a copper core, a first insulating layer, a shielding layer, a second insulating layer, a protective layer and a balance layer;
the outer surface of the copper core is plated with tin; the first insulating layer is formed on the copper core in an extruding mode; the shielding layer covers the outer side face of the first insulating layer; the second insulating layer is formed by extrusion coating outside the shielding layer, and the first insulating layer and the second insulating layer are fluorinated ethylene propylene; the protective layer is arranged on the outer side surface of the second insulating layer; the balance layer is arranged on the outer side surface of the protective layer and is formed in the following mode:
firstly, positioning in a segmentation mode and measuring the segmentation quality of the electric wire after the protective layer is arranged; and controlling the material consumption of the positioning subsection printing balance layer in a 3D printing mode according to the set subsection standard quality, so that the subsection quality of the electric wire is equal to the subsection standard quality.
2. The tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace according to claim 1, wherein the balance layer employs a titanium alloy nanocomposite, the titanium alloy nanocomposite comprising titanium alloy nanopowder, epoxy resin, solvent, auxiliary agent and coagulant in a mass ratio of 4: 12: 4: 1: 4;
the titanium alloy nano powder is prepared from titanium, molybdenum and nickel in a mass ratio of 10: 3: 8 alloy nanopowder; the epoxy resin adopts E44 or E20 or E12, and the solvent is cyclohexanone or butanone or n-butanone; the auxiliary agent comprises the following components in percentage by mass: 1: 1 leveling agent, defoaming agent and anti-settling agent; the coagulant is cardanol monoamino condensate.
3. The insulated wire of claim 1, wherein the copper core is a plurality of tinned copper wires, and the plurality of tinned copper wires are wound in a spiral form with each other to form a stranded conductor; the diameter of a single strand of the tinned copper wire is 0.04-0.06 mm, and the thickness of the plating layer is 1-2 um.
4. The tin-plated copper-core perfluorinated ethylene propylene insulated wire for aerospace according to claim 1, wherein the thickness of the first insulating layer is 1-2 mm, and the concentricity is not less than 85%; the thickness of the second insulating layer is not less than 1 mm.
5. The insulated wire of claim 1, wherein the copper core is provided with a tensile member, the tensile member is a plurality of aramid filaments, and the aramid filaments have a denier number of 1000-1200.
6. The tin-plated copper-core perfluorinated ethylene propylene insulated wire for aerospace according to claim 1, wherein the segment mass is motion compensated using the following calculation formula:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
7. The insulated wire of claim 1, wherein the balance layer is printed by using a double-layer circular rotating disc frame, the inner layer and the outer layer of the rotating disc frame rotate relatively, the central circular hole of the inner layer of the rotating disc frame is used for passing the wire, the outer layer of the rotating disc frame is fixed with a 3D printed nozzle, and the material spraying speed of the nozzle is calculated by adopting the following formula:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
8. A manufacturing device of a tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace is characterized by comprising a segmented positioning module, an electronic weight measuring module, an operation module, an execution module and a 3D printing module;
the segmented positioning module is used for segmenting the electric wire provided with the protective layer and positioning and tracking the segmented electric wire;
the electronic weight measuring module is used for measuring the quality of each section of the electric wire after the protective layer is arranged;
the operation module is respectively connected with the segmentation positioning module, the electronic weight measuring module and the execution module, and is used for performing operation according to the mass of each segment and the set segment standard mass to obtain the material consumption of the positioning segmentation balancing layer;
the execution module forms a control instruction according to the material usage of the positioning segmented balance layer;
the 3D printing module is connected with the execution module, and the 3D printing module is controlled by a control instruction to print the material consumption of the positioning subsection balancing layer.
9. The apparatus for manufacturing an aerospace tin-plated copper core fluorinated ethylene propylene insulated wire according to claim 8, wherein the operation module performs motion compensation on the segment quality by using the following calculation formula:
in the above formula, Mi' represents the quality of the segment after motion compensation of the ith segment; e represents a natural constant; μ represents a moving friction coefficient; Δ V represents a moving speed variation value of the electric wire; miThe obtained segment quality of the i-th segment of the electric wire after the protective layer is provided is measured.
10. The manufacturing device of the insulated wire of the perfluorinated ethylene propylene copolymer with the tinned copper core for aerospace use according to claim 8, wherein the manufacturing device is provided with a double-layer circular rotating disc frame, the inner layer and the outer layer of the rotating disc frame do relative rotation movement, a central circular hole of the inner layer of the rotating disc frame is used for passing a wire, a 3D printed nozzle is fixed on the outer layer of the rotating disc frame, the operation module is connected with an angular velocity sensor, the angular velocity sensor is used for measuring the relative angular velocity of the inner layer and the outer layer of the rotation movement, and the operation module adopts the following formula to calculate the material spraying velocity of the nozzle:
in the above formula, ViThe material spraying speed of the ith sectional nozzle is represented; d represents the size of the nozzle; w represents the relative angular velocity of the inner and outer layers rotational movement; m0The standard quality of the section set by the electric wire is represented; miThe segment quality of the ith segment of the electric wire after the protective layer is arranged is measured; ρ represents the density of the printing material; l isiIndicating the length of the ith segment.
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Denomination of invention: Tin plated copper core polytetrafluoroethylene propylene insulated wires and manufacturing equipment for aerospace use Effective date of registration: 20240102 Granted publication date: 20220211 Pledgee: Ningbo Bank Co.,Ltd. Shenzhen Branch Pledgor: SHENZHEN JINHUANYU WIRE CABLE Co.,Ltd. Registration number: Y2023980075756 |