CN215450960U - Enameled wire with strong double-layer protection and electric conductivity - Google Patents
Enameled wire with strong double-layer protection and electric conductivity Download PDFInfo
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- CN215450960U CN215450960U CN202121532134.XU CN202121532134U CN215450960U CN 215450960 U CN215450960 U CN 215450960U CN 202121532134 U CN202121532134 U CN 202121532134U CN 215450960 U CN215450960 U CN 215450960U
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- Prior art keywords
- copper
- layer
- double
- oxygen
- copper core
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 30
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910001316 Ag alloy Inorganic materials 0.000 claims abstract description 22
- 230000002968 anti-fracture Effects 0.000 claims abstract description 9
- 239000003973 paint Substances 0.000 claims description 77
- 238000004804 winding Methods 0.000 claims description 22
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 18
- 238000000227 grinding Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 abstract 1
- 235000011613 Pinus brutia Nutrition 0.000 abstract 1
- 241000018646 Pinus brutia Species 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000004962 Polyamide-imide Substances 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 229920002312 polyamide-imide Polymers 0.000 description 6
- 238000005336 cracking Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses an enameled wire with high double-layer protection conductivity, which comprises an oxygen-free copper core, wherein copper-clad sheets are respectively arranged at the upper end and the lower end of the oxygen-free copper core, a plurality of groups of straight grooves are arranged outside the copper-clad sheets, a primer layer is uniformly coated outside the oxygen-free copper core, and double-layer protection anti-fracture structures are respectively arranged on two sides of the oxygen-free copper core. This strong enameled wire of double-deck protection electric conductive property is through being provided with the caulking groove, copper zinc alloy piece, chute and silver alloy kinking, in the use, in anaerobic copper core production link, set up the caulking groove in anaerobic copper core both sides through the grinding, with copper zinc alloy piece embedding caulking groove after that, and fix at the outside silver alloy kinking of anaerobic copper core, silver alloy kinking embedding chute prevents to slide the pine and takes off, copper zinc alloy piece and silver alloy kinking play double-deck guard action, the cracked function is prevented in the double-deck protection of having realized, the problem of the cracked function is prevented in the device of not possessing the double-deck protection of solution.
Description
Technical Field
The utility model relates to the technical field of enameled wires, in particular to an enameled wire with strong double-layer protection and electric conductivity.
Background
The enameled wire is the main raw material of winding wires of motors, electric appliances, instruments, transformers and the like, the main body of the enameled wire is composed of a conductor and an insulating layer, a bare conductor wire is softened by an annealing process and then is subjected to repeated painting, a coating is added and then is baked and dried to form the enameled wire, most of the enameled wires commonly seen on the market at present are simple in structure, the paint layer is single, a plurality of problems exist in use and need to be improved, if the inner copper core is single, the copper core is not protected, the copper core is easy to break under the condition of continuous bending, the electric conduction capability is influenced, secondly, because the paint is directly coated on the copper core, the paint is troublesome in the aspect of recycling and depainting, in addition, the surface damage is easily caused by the single paint layer, the inner copper core is oxidized, the service life of the product is shortened, the scheme is correspondingly improved aiming at the problems, and a double protection structure is added outside the copper core, the strength of the paint is enhanced, the fracture is prevented, the turnover paint removing structure is added, the internal arching paint removing is facilitated, the paint layer is thickened, and the thickness and the strength of the paint layer are increased in a multi-layer coating mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an enameled wire with high double-layer protection and electric conductivity, and aims to solve the problem that the enameled wire does not have the double-layer protection and anti-fracture function in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a strong enameled wire of double-deck protection electric conductive property, includes the anaerobic copper core, the upper and lower both ends of anaerobic copper core are provided with respectively and cover the copper sheet, it has the copper alloy piece to cover to bond between copper sheet and the anaerobic copper core, the inside intermediate position department of copper alloy piece has seted up a groove, the outside of covering the copper sheet is provided with the straight groove of multiunit, the even coating in outside of anaerobic copper core has the priming paint layer, the both sides of anaerobic copper core are provided with double-deck protection respectively and prevent fracture structure.
The double-layer protection anti-fracture structure comprises caulking grooves, the caulking grooves are respectively arranged in the two sides of the oxygen-free copper core, copper-zinc alloy sheets are embedded in the two sides of the oxygen-free copper core, a plurality of groups of chutes are arranged on the outer portions of the copper-zinc alloy sheets, and silver alloy winding wires are wound on the outer portions of the copper-zinc alloy sheets.
Preferably, one side of the copper-zinc alloy sheet is matched with the inner shape and size of the caulking groove, and the copper-zinc alloy sheet and the caulking groove are mutually embedded.
Preferably, the copper-zinc alloy sheets are symmetrically distributed about the vertical center line of the oxygen-free copper core.
Preferably, the straight grooves and the inclined grooves are in one-to-one correspondence in position and size, and the folding grooves are overlapped with the vertical center lines of the copper covering sheets.
Preferably, the outer portion of the primer layer is uniformly coated with an intermediate paint layer, and the outer portion of the intermediate paint layer is uniformly coated with an outer paint layer.
Preferably, the primer layer, the intermediate paint layer and the outer paint layer are tightly attached without gaps, and the proportions of the primer layer, the intermediate paint layer and the outer paint layer are respectively 20%, 60% and 20%.
Compared with the prior art, the utility model has the beneficial effects that: the enameled wire with the double-layer protection and strong conductivity not only realizes the double-layer protection and anti-fracture function, and the function of facilitating recovery and depainting, but also realizes the function of preventing damage by multi-layer coating;
(1) by arranging the caulking grooves, the copper-zinc alloy sheet, the inclined grooves and the silver alloy winding wires, in the production link of the oxygen-free copper core, the caulking grooves are formed in the two sides of the oxygen-free copper core through grinding, then the copper-zinc alloy sheet is embedded into the caulking grooves, the silver alloy winding wires are wound outside the oxygen-free copper core for fixing, the silver alloy winding wires are embedded into the inclined grooves to prevent slipping and loosening, the copper-zinc alloy sheet and the silver alloy winding wires play a double-layer protection role, even if the oxygen-free copper core is broken, the copper-zinc alloy sheet and the silver alloy winding wires can connect the broken oxygen-free copper core together, the electric conductivity of the oxygen-free copper core is not influenced, and the double-layer protection and anti-breaking functions are realized;
(2) by arranging the copper-clad sheet, the copper alloy sheet, the folding groove and the straight groove, when the enameled wire is used and needs to be recycled, pressure is only needed to be applied from two sides or the whole enameled wire is twisted in a rotating mode, the copper-clad sheet is stressed to enable the hard copper alloy sheet at the bottom to be turned up, the copper alloy sheet is gathered towards the middle under the condition that pressure is applied to two sides, the folding groove provides a space for gathering, the copper-clad sheet is enabled to arch upwards to enable a paint layer to be cracked, when the enameled wire is twisted in a rotating mode, the copper alloy sheet is warped outwards to accelerate cracking of the paint layer, the paint removing process is facilitated, and the function of facilitating recycling and paint removing is achieved;
(3) by arranging the primer layer, the intermediate paint layer and the outer paint layer, when in use, the proportion and the type of the primer layer, the intermediate paint layer and the outer paint layer can be flexibly adjusted according to the application scene of the enameled wire, for example, the primer layer, the intermediate paint layer and the outer paint layer can be respectively high-adhesion type polyamide-imide paint, corona-resistant type polyimide paint and oil-resistant and hydrolysis-resistant type polyamide-imide paint with the proportion of 20 percent, 60 percent and 20 percent respectively, the adhesion and the winding performance of the paint film are ensured, other characteristics of heat resistance, corona resistance and the like of the paint film are improved, and the function of preventing damage in multi-level coating is realized.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a partial side view of the double-layer protective anti-fracture structure of the present invention;
FIG. 3 is an enlarged partial cross-sectional view taken at A in FIG. 1 according to the present invention;
FIG. 4 is a schematic top view of a copper-clad laminate according to the present invention.
In the figure: 1. an oxygen-free copper core; 2. caulking grooves; 3. a copper-zinc alloy sheet; 4. a chute; 5. silver alloy wire winding; 6. covering a copper sheet; 7. a copper alloy sheet; 8. folding the groove; 9. a straight groove; 10. a primer layer; 11. an intermediate paint layer; 12. and (5) an outer paint layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-4, an enameled wire with a strong double-layer protection conductive performance comprises an oxygen-free copper core 1, wherein double-layer protection anti-fracture structures are respectively arranged on two sides of the oxygen-free copper core 1;
referring to fig. 1-4, the enameled wire with the double-layer protection and strong conductive performance further comprises a double-layer protection anti-fracture structure, wherein the double-layer protection anti-fracture structure comprises caulking grooves 2, the caulking grooves 2 are respectively arranged inside two sides of an oxygen-free copper core 1, copper-zinc alloy sheets 3 are embedded on two sides of the oxygen-free copper core 1, a plurality of groups of inclined grooves 4 are arranged outside the copper-zinc alloy sheets 3, and silver alloy winding wires 5 are wound outside the copper-zinc alloy sheets 3;
one side of the copper-zinc alloy sheet 3 is matched with the inner shape and size of the caulking groove 2, the copper-zinc alloy sheet 3 is embedded with the caulking groove 2, and the copper-zinc alloy sheet 3 is symmetrically distributed about the vertical center line of the oxygen-free copper core 1, so that the installation is firmer and tighter;
specifically, as shown in fig. 1 and 2, in the production process of the oxygen-free copper core 1, caulking grooves 2 are formed in two sides of the oxygen-free copper core 1 through grinding, then copper-zinc alloy sheets 3 are embedded into the caulking grooves 2, silver alloy winding wires 5 are wound outside the oxygen-free copper core 1 for fixing, the silver alloy winding wires 5 are embedded into the inclined grooves 4 for preventing sliding and loosening, the copper-zinc alloy sheets 3 and the silver alloy winding wires 5 play a double-layer protection role, even if the oxygen-free copper core 1 is broken, the oxygen-free copper core and the silver alloy winding wires can connect the broken oxygen-free copper core 1 together without affecting the electric conductivity of the oxygen-free copper core, and the double-layer protection and anti-breaking function is realized.
Example 2: copper-clad sheets 6 are respectively arranged at the upper end and the lower end of the oxygen-free copper core 1, a copper alloy sheet 7 is bonded between the copper-clad sheets 6 and the oxygen-free copper core 1, a folding groove 8 is formed in the middle position inside the copper alloy sheet 7, and a plurality of groups of straight grooves 9 are formed outside the copper-clad sheets 6;
the straight grooves 9 correspond to the inclined grooves 4 in position and size one by one, the folded grooves 8 coincide with the vertical center lines of the copper-clad sheets 6, and the silver alloy winding wires 5 are matched to enable the whole body to be more stable;
specifically, as shown in fig. 1 and 4, when the enameled wire is scrapped and needs to be recycled, only pressure needs to be applied from two sides or the enameled wire is screwed in a rotating mode, the copper-clad plate 6 is stressed to enable the hard copper alloy plate 7 at the bottom to be turned up, under the condition that pressure is applied from two sides, the copper alloy plate 7 is gathered towards the middle, the folding groove 8 provides a space for gathering, the copper-clad plate is enabled to arch upwards to enable a paint layer to be cracked, when the enameled wire is screwed in a rotating mode, the copper alloy plate 7 is warped outwards to accelerate cracking of the paint layer, the paint removing process is facilitated, and the function of facilitating recycling and paint removing is achieved.
Example 3: the outer part of the oxygen-free copper core 1 is uniformly coated with a primer layer 10, the outer part of the primer layer 10 is uniformly coated with an intermediate paint layer 11, and the outer part of the intermediate paint layer 11 is uniformly coated with an outer paint layer 12;
the primer layer 10, the intermediate paint layer 11 and the outer paint layer 12 are tightly attached without gaps, the proportions of the primer layer 10, the intermediate paint layer 11 and the outer paint layer 12 are respectively 20%, 60% and 20%, and the paint film is thicker and more durable through multi-layer coating;
specifically, as shown in fig. 1 and 3, the proportions and types of the primer layer 10, the intermediate paint layer 11, and the outer paint layer 12 can be flexibly adjusted according to the application scenario of the enameled wire, for example, the primer layer 10, the intermediate paint layer 11, and the outer paint layer 12 can be respectively a high-adhesion type polyamideimide paint, a corona-resistant type polyimide paint, and an oil-resistant and hydrolysis-resistant type polyamideimide paint, with proportions of 20%, 60%, and 20%, respectively, so that while the adhesion and winding properties of the paint film are ensured, other properties of the paint film, such as heat resistance, corona resistance, and the like, are improved, and the function of preventing damage by multi-layer coating is realized.
The working principle is as follows: when the anti-cracking oxygen-free copper core is used, firstly, in the production link of the oxygen-free copper core 1, the caulking grooves 2 are formed in the two sides of the oxygen-free copper core 1 through grinding, then the copper-zinc alloy sheet 3 is embedded into the caulking grooves 2, the silver alloy winding wire 5 is wound outside the oxygen-free copper core 1 for fixing, the silver alloy winding wire 5 is embedded into the chute 4 for preventing sliding loosening, the copper-zinc alloy sheet 3 and the silver alloy winding wire 5 play a double-layer protection role, even if the oxygen-free copper core 1 is cracked, the oxygen-free copper core 1 and the silver alloy winding wire 5 can also connect the cracked oxygen-free copper core 1 together, the electric conductivity of the oxygen-free copper core is not influenced, and the double-layer protection anti-cracking function is realized; in the coating link of the paint layer, the proportion and the type of the primer layer 10, the intermediate paint layer 11 and the outer paint layer 12 can be flexibly adjusted according to the application scene of the enameled wire, for example, the primer layer 10, the intermediate paint layer 11 and the outer paint layer 12 can be respectively high-adhesion type polyamide-imide paint, corona-resistant type polyimide paint and oil-resistant and hydrolysis-resistant type polyamide-imide paint with the proportion of 20 percent, 60 percent and 20 percent, so that the adhesion and the winding performance of the paint film are ensured, other characteristics such as heat resistance, corona resistance and the like of the paint film are improved, and the function of multilayer coating and breakage prevention is realized; when the enameled wire is scrapped and needs to be recycled, pressure is only needed to be applied from two sides or the whole enameled wire is rotated to screw, the hard copper alloy sheet 7 at the bottom is turned up under the stress of the copper clad sheet 6, the copper alloy sheet 7 is gathered towards the middle under the condition that the pressure is applied from two sides, the folding groove 8 provides a space for gathering, the hard copper alloy sheet 7 is made to arch upwards, a paint layer is cracked, when the enameled wire is rotated to screw, the copper alloy sheet 7 is warped outwards, the cracking of the paint layer is accelerated, the paint removing process is facilitated, and the function of facilitating recycling and paint removing is achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a strong enameled wire of double-deck protection electric conductive property, includes oxygen-free copper core (1), its characterized in that: the upper end and the lower end of the oxygen-free copper core (1) are respectively provided with a copper-clad sheet (6), a copper alloy sheet (7) is bonded between the copper-clad sheet (6) and the oxygen-free copper core (1), a folding groove (8) is formed in the middle position inside the copper alloy sheet (7), a plurality of groups of straight grooves (9) are formed outside the copper-clad sheet (6), a primer layer (10) is uniformly coated outside the oxygen-free copper core (1), and two sides of the oxygen-free copper core (1) are respectively provided with a double-layer protection anti-fracture structure;
double-deck protection fracture structure includes caulking groove (2), caulking groove (2) set up the inside in anaerobic copper core (1) both sides respectively, copper zinc alloy piece (3) have been inlayed to the both sides of anaerobic copper core (1), the outside of copper zinc alloy piece (3) is provided with multiunit chute (4), the outside winding of copper zinc alloy piece (3) has silver alloy kinking (5).
2. The enameled wire with strong double-layer protection and electric conductivity according to claim 1, is characterized in that: one side of the copper-zinc alloy sheet (3) is matched with the inner shape and size of the caulking groove (2), and the copper-zinc alloy sheet (3) is embedded with the caulking groove (2).
3. The enameled wire with strong double-layer protection and electric conductivity according to claim 1, is characterized in that: the copper-zinc alloy sheets (3) are symmetrically distributed about the vertical center line of the oxygen-free copper core (1).
4. The enameled wire with strong double-layer protection and electric conductivity according to claim 1, is characterized in that: the straight grooves (9) correspond to the inclined grooves (4) in position and size one by one, and the vertical center lines of the folded grooves (8) and the copper-clad sheets (6) are overlapped.
5. The enameled wire with strong double-layer protection and electric conductivity according to claim 1, is characterized in that: the outer portion of the primer layer (10) is uniformly coated with an intermediate paint layer (11), and the outer portion of the intermediate paint layer (11) is uniformly coated with an outer paint layer (12).
6. The enameled wire with high double-layer protection and electric conductivity according to claim 5, wherein: the paint is characterized in that the primer layer (10), the middle paint layer (11) and the outer paint layer (12) are tightly attached without gaps, and the proportions of the primer layer (10), the middle paint layer (11) and the outer paint layer (12) are respectively 20%, 60% and 20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532134.XU CN215450960U (en) | 2021-07-07 | 2021-07-07 | Enameled wire with strong double-layer protection and electric conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532134.XU CN215450960U (en) | 2021-07-07 | 2021-07-07 | Enameled wire with strong double-layer protection and electric conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215450960U true CN215450960U (en) | 2022-01-07 |
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ID=79715137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121532134.XU Expired - Fee Related CN215450960U (en) | 2021-07-07 | 2021-07-07 | Enameled wire with strong double-layer protection and electric conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215450960U (en) |
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2021
- 2021-07-07 CN CN202121532134.XU patent/CN215450960U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220107 |