CN109390086B - Enameled wire for electronic expansion valve of variable-frequency air conditioner - Google Patents
Enameled wire for electronic expansion valve of variable-frequency air conditioner Download PDFInfo
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- CN109390086B CN109390086B CN201811411126.2A CN201811411126A CN109390086B CN 109390086 B CN109390086 B CN 109390086B CN 201811411126 A CN201811411126 A CN 201811411126A CN 109390086 B CN109390086 B CN 109390086B
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- elastic
- conductor
- elastomer
- wrapped
- air conditioner
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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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- 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
- H01B7/08—Flat or ribbon cables
- H01B7/0823—Parallel wires, incorporated in a flat insulating profile
-
- 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
- H01B7/08—Flat or ribbon cables
- H01B7/0869—Flat or ribbon cables comprising one or more armouring, tensile- or compression-resistant elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
- H01B7/1825—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of a high tensile strength core
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1835—Sheaths comprising abrasive charges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
- H01B7/288—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable using hygroscopic material or material swelling in the presence of liquid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
-
- 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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Magnetically Actuated Valves (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an enameled wire for an electronic expansion valve of a variable frequency air conditioner, which comprises an enameled coil, conductors and an elastomer, wherein the conductors are uniformly arranged in the center of the inside of the enameled coil, the elastomer is arranged between the conductors, the outer sides of the conductors and the elastomer are wrapped with a first insulating wrapping tape, the outer sides of the first insulating wrapping tape are wrapped with a ceramic fiber heat-resistant layer, the outer sides of the ceramic fiber heat-resistant layer are wrapped with a polyethylene waterproof layer, the outer sides of the polyethylene waterproof layer are wrapped with a rigid wrapping tape, the outer sides of the rigid wrapping tape are wrapped with an elastic wrapping tape, and the outer sides of the elastic wrapping tape are wrapped with polyurethane wrapping wires. According to the invention, the enameled coil, the groove, the polyurethane covered wire and the rigid wrapping belt are arranged, so that the enameled coil is conveniently fixed through the groove matched with the fixing ring, the abrasion resistance and the structural strength of the surface of the enameled coil are conveniently increased through the polyurethane covered wire and the rigid wrapping belt, the abrasion of the enameled coil is reduced, and the device is conveniently installed and used.
Description
Technical Field
The invention relates to the technical field of enameled wires, in particular to an enameled wire for an electronic expansion valve of a variable-frequency air conditioner.
Background
Along with the continuous development of society, intelligent electrical apparatus has become the most common electrical apparatus in people's daily life, and variable frequency air conditioner is one kind of intelligent electrical apparatus, and it has increased a converter on the structure of ordinary air conditioner to reduce the energy consumption and the noise of ordinary air conditioner, and the inside electronic expansion valve of variable frequency air conditioner is when using, needs to be connected with the air conditioner through the enameled wire, but current variable frequency air conditioner electronic expansion valve has following several defects when using with the enameled wire:
1. most of the enamelled wires for the electronic expansion valve of the existing variable-frequency air conditioner have smooth surfaces, are inconvenient to install and use by being matched with the fixing ring, have poor surface wear resistance, are easy to wear after being used for a long time, and are inconvenient to use;
2. most of enamelled wires for the electronic expansion valve of the conventional variable-frequency air conditioner are poor in elasticity and toughness, inconvenient to stretch and bend, easy to deform and damage an internal lead in the stretch and bend process, and capable of reducing the service life of the enamelled wires;
3. most of enamelled wires for the electronic expansion valves of the existing variable-frequency air conditioners are poor in waterproof performance, poor in high-temperature resistance, inapplicable to different electronic expansion valves and poor in device applicability;
4. most of enamelled wires for the electronic expansion valve of the existing variable-frequency air conditioner are poor in insulativity, single insulation effect is poor, leakage phenomenon is generated after the device is damaged easily, the use safety of the device is reduced, and the device is inconvenient to use.
Disclosure of Invention
The invention aims to provide an enameled wire for an electronic expansion valve of a variable frequency air conditioner, which aims to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a enameled wire for variable frequency air conditioner electronic expansion valve, includes enamelling coil, conductor and elastomer, the conductor is evenly installed at the inside central authorities of enamelling coil, and the inside central authorities of conductor are all installed ductile fiber, the inside spiral winding of ductile fiber outside conductor has the copper line, and the outside of copper line is wrapped up in and is covered with the second insulating band, all be equipped with the elastomer between the conductor, and the inside of elastomer is evenly installed elastic fiber, it has elastic filler to fill between the inside elastic fiber of elastomer, and the outside of conductor and elastomer is wrapped up in and is covered with first insulating band, it has heat-resistant filling resin to fill between inside conductor of first insulating band and the elastomer, and the outside of first insulating band is wrapped up in and is covered with ceramic fiber heat-resistant layer, the outside of ceramic fiber heat-resistant layer is wrapped up in and is covered with the polyethylene waterproof layer, and the outside of polyethylene waterproof layer is wrapped up in and is covered with the rigidity band, the outside of rigidity band is wrapped up in and is covered with the polyurethane envelope, evenly be equipped with the recess on enamelling coil's the lateral wall.
Preferably, the enamelled coil is of an oval structure, and the grooves are arranged at equal intervals.
Preferably, elastic colloid is uniformly arranged in the elastic wrapping belt, and the enameling coil forms an elastic structure through the elastic wrapping belt and the elastic colloid.
Preferably, the inside of polyethylene waterproof layer evenly is equipped with the hydrocolloid that absorbs water, and enameled wire passes through polyethylene waterproof layer and hydrocolloid and constitutes the absorbent structure.
Preferably, the conductors form a flexible structure through flexible fibers, the conductors and the elastic bodies are arranged in a staggered mode, the elastic fibers are arranged at equal intervals, and the elastic bodies form an elastic structure through the elastic fibers and elastic fillers.
Preferably, the copper wire is spirally wound on the outer side of the ductile fiber, and the conductor forms an insulation structure through a second insulation wrapping tape.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the enameled wire for the electronic expansion valve of the variable-frequency air conditioner, the enameled coil, the groove, the polyurethane covered wire and the rigid wrapping belt are arranged, so that the enameled coil is fixed through the groove matched with the fixing ring, the abrasion resistance and the structural strength of the surface of the enameled coil are improved through the polyurethane covered wire and the rigid wrapping belt, the installation and the use of the device are facilitated, the abrasion of the enameled coil is reduced, and the use of the device is facilitated;
2. according to the enameled wire for the electronic expansion valve of the variable-frequency air conditioner, the elastic wrapping belt, the elastic body and the ductile fiber are arranged, so that the structural elasticity of the enameled coil is conveniently increased through the elastic wrapping belt and the elastic body, the enameled coil is conveniently stretched and used, the structural toughness of a conductor is conveniently increased through the ductile fiber, bending and breakage of the enameled coil during use are avoided, the service life of the enameled coil is conveniently prolonged, and the device is conveniently used;
3. according to the enameled wire for the electronic expansion valve of the variable-frequency air conditioner, the polyethylene waterproof layer, the ceramic fiber heat-resistant layer and the heat-resistant filling resin are arranged, so that the waterproof property and the heat resistance of the enameled coil are conveniently increased, the applicability of the device is conveniently increased, and the device is conveniently used;
4. this enameled wire for inverter air conditioner electronic expansion valve is through being provided with first insulating band and second insulating band, is convenient for through first insulating band and the insulating band of second can effectively increase the insulating nature of enameled coil, reduces the electric leakage phenomenon, is convenient for increase the security that enameled coil used, the use of the device of being convenient for.
Drawings
FIG. 1 is a schematic side sectional view of an enamelled coil of the invention;
FIG. 2 is a schematic side cross-sectional view of an elastomer of the present invention;
FIG. 3 is a schematic diagram of a cross-sectional structure of a conductor according to the present invention;
fig. 4 is a schematic diagram showing a partial structure of a side wall of an enamelled coil according to the present invention.
In the figure: 1. an enamelled coil; 2. polyurethane covered wire; 3. an elastic belting; 4. a rigid strap; 5. a polyethylene waterproof layer; 6. a ceramic fiber heat-resistant layer; 7. a first insulating tape; 8. a conductor; 9. an elastic colloid; 10. a water-absorbing colloid; 11. an elastomer; 12. a heat-resistant filler resin; 13. an elastic fiber; 14. an elastic filler; 15. a second insulating tape; 16. a ductile fiber; 17. copper wire; 18. a groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, embodiments of the present invention are provided: the enameled wire for the electronic expansion valve of the variable frequency air conditioner comprises an enameled coil 1, a conductor 8 and an elastic body 11, wherein the conductor 8 is uniformly arranged in the center of the inside of the enameled coil 1, the elastic fibers 16 are uniformly arranged in the center of the inside of the conductor 8, copper wires 17 are spirally wound in the conductors 8 outside the elastic fibers 16, the outer sides of the copper wires 17 are wrapped with second insulating wrapping belts 15, the copper wires 17 are spirally wound on the outer sides of the elastic fibers 16, the conductor 8 forms an insulating structure through the second insulating wrapping belts 15, the structure of the conductor 8 is convenient to optimize, the structural strength of the conductor 8 is convenient to increase, the insulativity of the conductor 8 is convenient to increase through the second insulating wrapping belts 15, the device is convenient to use, the elastic bodies 11 are arranged between the conductors 8, elastic fibers 13 are uniformly arranged in the elastomer 11, elastic fillers 14 are filled between the elastic fibers 13 in the elastomer 11, the conductor 8 forms a flexible structure through the flexible fiber 16, the conductor 8 and the elastic body 11 are arranged in a staggered way, the elastic fiber 13 is arranged at equal intervals, the elastic body 11 forms an elastic structure through the elastic fiber 13 and the elastic filler 14, the structural toughness of the conductor 8 is increased conveniently through the flexible fiber 16, the structural elasticity of the elastic body 11 is increased conveniently through the elastic fiber 13 and the elastic filler 14, the elasticity of the enameled coil 1 is increased conveniently, bending and fracture are avoided when the enameled coil 1 is used, the service life of the enameled coil 1 is prolonged conveniently, the outer sides of the conductor 8 and the elastic body 11 are wrapped with the first insulating wrapping tape 7, the heat-resistant filling resin 12 is filled between the inner conductor 8 of the first insulating wrapping tape 7 and the elastic body 11, the outer side of the first insulating wrapping tape 7 is wrapped with the ceramic fiber heat-resistant layer 6, the outer side of the ceramic fiber heat-resistant layer 6 is wrapped with the polyethylene waterproof layer 5, the inside of polyethylene waterproof layer 5 evenly is equipped with the hydrocolloid 10 that absorbs water, and enameled wire 1 constitutes the absorbent structure through polyethylene waterproof layer 5 and hydrocolloid 10 that absorbs water, be convenient for increase the hydroscopicity of enameled wire 1 through hydrocolloid 10, avoid enameled wire 1 to wet damage, the use of the device of being convenient for, and the outside of polyethylene waterproof layer 5 is wrapped up in and is covered with rigidity band 4, the outside of rigidity band 4 is wrapped up in and is covered with elasticity band 3, elasticity colloid 9 is evenly installed to elasticity band 3's inside, and enameled wire 1 passes through elasticity band 3 and elasticity colloid 9 constitutes elastic structure, be convenient for increase elasticity band 3's elastic force through elasticity colloid 9, be convenient for increase enameled wire 1's structural elasticity, be convenient for the use of device, and the outside of elasticity band 3 is wrapped up in and is covered with polyurethane envelope wire 2, evenly be equipped with recess 18 on enameled wire 1's the lateral wall, enameled wire 1 sets up to oval structure, and recess 18 is equidistant setting, the structure of enameled wire 1 of being convenient for optimizing, be convenient for, enameled wire 1 cooperation variable frequency air conditioner electronic expansion valve is used, be convenient for use through recess 18 when the device is used, the use of the device of being convenient for.
Working principle: during the use, at first be connected with the enamelled coil 1 with the inverter air conditioner electronic expansion valve according to the user demand for enamelled coil 1 is fixed through recess 18 cooperation solid fixed ring, then switch on the power and use, in the use, inverter air conditioner electronic expansion valve is electrically conductive through conductor 8 and is used, simultaneously elasticity band 3, elastomer 11 can effectively increase the structural elasticity of enamelled coil 1, be convenient for enamelled coil 1 tensile use, ductile fiber 16 can effectively increase the structural toughness of conductor 8, bending fracture when avoiding enamelled coil 1 to use, polyurethane covered wire 2 and rigidity band 4 can effectively increase the wearability and the structural strength on enamelled coil 1 surface, polyethylene waterproof layer 5 and water-absorbing colloid 10 can have the waterproof nature that increases enamelled coil 1, ceramic fiber heat-resistant layer 6 and heat-resisting filling resin 12 can effectively increase enamelled coil 1's heat resistance, first insulation band 7 and second insulation band 15 can effectively increase enamelled coil 1's insulating property, reduce the electric leakage phenomenon, be convenient for increase enamelled coil 1's safety, be convenient for increase enamelled coil 1's life, and convenient device's use.
It will be evident to those skilled in the art that the invention 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 characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. Enameled wire for variable frequency air conditioner electronic expansion valve, including enamelling coil (1), conductor (8) and elastomer (11), its characterized in that: the utility model discloses a enameled coil (1), including enameled coil (1), conductor (8), flexible fiber (16) are evenly installed at the inside central authorities of conductor (8), copper line (17) are all installed to the inside spiral winding of flexible fiber (16) outside conductor (8), and the outside of copper line (17) is wrapped up in and is covered with second insulating tape (15), all be equipped with elastomer (11) between conductor (8), and the inside of elastomer (11) is evenly installed elastic fiber (13), fill between elastomer (11) inside elastic fiber (13) and be filled with elastic filler (14), and the outside of conductor (8) and elastomer (11) is wrapped up in and is covered with first insulating tape (7), fill between conductor (8) and elastomer (11) in first insulating tape (7) and be filled with heat-resisting filling resin (12), and the outside of first insulating tape (7) is wrapped up in and is covered with ceramic fiber heat-resisting layer (6), the outside of ceramic fiber heat-resisting layer (6) is wrapped up in and is covered with polyethylene waterproof layer (5), and the outside of polyethylene waterproof layer (5) is covered with rigidity (4), the outside of elastomer (3) is wrapped up in the outside of elastomer (3), grooves (18) are uniformly formed in the outer side wall of the enamelled coil (1).
2. The enamel wire for an electronic expansion valve of a variable frequency air conditioner according to claim 1, wherein: the enamelled coil (1) is of an oval structure, and the grooves (18) are arranged at equal intervals.
3. The enamel wire for an electronic expansion valve of a variable frequency air conditioner according to claim 1, wherein: elastic colloid (9) is evenly arranged in the elastic wrapping band (3), and the enamelled coil (1) forms an elastic structure through the elastic wrapping band (3) and the elastic colloid (9).
4. The enamel wire for an electronic expansion valve of a variable frequency air conditioner according to claim 1, wherein: the inside of polyethylene waterproof layer (5) evenly is equipped with hydrocolloid (10), and enameled wire (1) constitutes the absorbent structure through polyethylene waterproof layer (5) and hydrocolloid (10).
5. The enamel wire for an electronic expansion valve of a variable frequency air conditioner according to claim 1, wherein: the conductor (8) forms a tough structure through the tough fibers (16), the conductor (8) and the elastic body (11) are arranged in a staggered mode, the elastic fibers (13) are arranged at equal intervals, and the elastic body (11) forms an elastic structure through the elastic fibers (13) and the elastic filler (14).
6. The enamel wire for an electronic expansion valve of a variable frequency air conditioner according to claim 1, wherein: the copper wire (17) is spirally wound on the outer side of the ductile fiber (16), and the conductor (8) forms an insulation structure through a second insulation wrapping belt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411126.2A CN109390086B (en) | 2018-11-24 | 2018-11-24 | Enameled wire for electronic expansion valve of variable-frequency air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811411126.2A CN109390086B (en) | 2018-11-24 | 2018-11-24 | Enameled wire for electronic expansion valve of variable-frequency air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109390086A CN109390086A (en) | 2019-02-26 |
| CN109390086B true CN109390086B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811411126.2A Active CN109390086B (en) | 2018-11-24 | 2018-11-24 | Enameled wire for electronic expansion valve of variable-frequency air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN109390086B (en) |
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| CN208077635U (en) * | 2018-05-09 | 2018-11-09 | 江苏朗顺电工电气有限公司 | A kind of paper insulation stranded wire |
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2018
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| JP2015173074A (en) * | 2014-03-12 | 2015-10-01 | 日立金属株式会社 | Enamel wire, conductor wire processing die and apparatus and method for production of enamel wire using the die |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109390086A (en) | 2019-02-26 |
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