CN102945698B - Rectangular winding wire for new energy electric automobile motor and manufacturing method thereof - Google Patents
Rectangular winding wire for new energy electric automobile motor and manufacturing method thereof Download PDFInfo
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- CN102945698B CN102945698B CN201210379388.1A CN201210379388A CN102945698B CN 102945698 B CN102945698 B CN 102945698B CN 201210379388 A CN201210379388 A CN 201210379388A CN 102945698 B CN102945698 B CN 102945698B
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Abstract
The invention discloses a rectangular winding wire for a new energy electric automobile motor and a manufacturing method thereof. An adhesive glue layer is arranged on the external surface of a core wire; a corona-resistant insulating layer is arranged on the external surface of the adhesive glue layer; an insulating layer capable of enhancing heat performance and chemical resistance is arranged on the external surface of the corona-resistant insulating layer; and the cross section of the core wire is shaped like an oblong with a round angle. The manufacturing method comprises the following procedures of extruding, annealing, cooling, washing, painting, baking, lubricating and winding. Through the adoption of the method disclosed by the invention, a plurality of insulating layers with different performances are formed on the external surface layer of a copper core through repeated painting and baking, so that a corona-resistant enameled wire with a composite insulating layer is formed; and the corona-resistant enameled wire obtains very good adhesion property and corona resistance; and requirements on corona resistance and temperature resistant grade of a variable frequency motor can be satisfied.
Description
Technical field
The invention discloses the flat winding wire of a kind of new energy electric automobile motor, the invention also discloses the manufacture method of a kind of new energy electric automobile motor with flat winding wire.
Background technology
Because regular fuel motor vehicle exhaust emission causes environmental problem, for this reason, developing new-energy automobile is reduce automotive fuel wastage, alleviate fuel oil disparities between supply and demand, reduce exhaust emissions, improve atmospheric environment, promote the Important Action of automobile industry technological progress and optimization and upgrading.
As the one of new-energy automobile, the composition of electric automobile comprises: electric-pneumatic and the mechanical system such as control system, actuating force transmission, complete the equipment etc. of assigned tasks.Driven by power and control system are the cores of electric automobile, and be also the maximum difference being different from internal-combustion engines vehicle, driven by power and control system are made up of the speed-regulating control device etc. of drive motor, power supply and motor.Drive motors for electric automobile requires to start frequently/stop usually, acceleration/deceleration, requires high torque (HT), require low torque, and require that slewing range is large when running at high speed when low speed or climbing.They have different requirement with conventional industrial motor:
1, driving motor for electric automobile needs the overload of 4 ~ 5 times to meet the requirement accelerated in short-term or climb; And industrial motor only requires that the overload of 2 times is just passable.
2, the maximum speed of electric automobile requires 4 ~ 5 times that reach base speed when cruising on highway, and industrial motor only needs to reach 2 times that invariable power is base speed.
3, driving motor for electric automobile needs the driving habits design according to vehicle and driver, and industrial motor only need according to typical design of operating modes.
4, driving motor for electric automobile requires the efficiency chart (having higher efficiency in the wider range of speeds and torque range) that height power density (General Requirements reach 1kg/kw within) is become reconciled, thus can reduce car weight, extending driving range; And industrial motor considers power density, efficiency and cost usually, near rated operation point, efficiency is optimized.
5, driving motor for electric automobile requirement work controllability is high, stable state accuracy is high, dynamic property good; And industrial motor only has a certain specific performance requirement.
6, driving motor for electric automobile is installed on motor vehicle, and space is little, under being operated in high temperature, bad weather and frequent vibration etc. adverse circumstances.And industrial motor works in some fixed positions usually.
Because driving motor for electric automobile has special requirement in load request, technical performance and operational environment etc., therefore very high request be it is also proposed to the Inverter fed motor enamelled wire for this drive motors, especially improving the pliability of enamelled wire, corona-resistance property and temperature resistant grade, is the main path extending variable-frequency motor useful life.It is easily aging that common magnet wire insulation paint film is subject to pulse surge, make variable-frequency motor in use turn-to-turn be easy to puncture, shorten useful life of enamelled wire, reduce the useful life of motor.
Summary of the invention
An object of the present invention overcomes the deficiencies in the prior art, provides the new energy electric automobile motor that a kind of pliability is good, corona-resistance property is outstanding and temperature resistant grade is high flat winding wire.
Another object of the present invention is to provide the manufacture method of a kind of new energy electric automobile motor with flat winding wire.
According to technical scheme provided by the invention, the flat winding wire of described new energy electric automobile motor, the outer surface of heart yearn is provided with glue line, the outer surface of glue line is provided with corona-resistant insulation layer, the outer surface of corona-resistant insulation layer is provided with the insulating barrier that can improve hot property and chemical-resistance; The shape of cross section of described heart yearn is the rectangle of band fillet.
The thickness of described glue line is 0.010 ~ 0.015mm.
The thickness of described corona-resistant insulation layer is 0.07 ~ 0.09mm.
The thickness of the insulating barrier of described raising hot property and chemical-resistance is 0.04 ~ 0.05mm.
The above-mentioned new energy electric automobile motor manufacture method of flat winding wire comprises the steps:
A, extruding: the flat bare wire of semi-finished product oxygen-free copper bar being squeezed on extrusion equipment given size;
B, annealing: flat for semi-finished product bare wire is carried out finished products by the speed order of 25 ~ 35 ms/min by the annealing pipe upper strata of annealing furnace and annealing pipe lower floor, annealing pipe top level control is 550 ~ 600 DEG C in temperature, annealing pipe lower floor temperature controls at 520 ~ 550 DEG C, obtains the flat bare wire of finished product;
C, cooling cleaning: flat for finished product bare wire is passed into bosh and carry out cooling cleaning, be the deionized water of temperature 80 ~ 90 DEG C in bosh, dry up the flat bare wire of finished product, make the temperature of the flat bare wire of finished product control at 35 ~ 50 DEG C after cooling cleaning with blower fan;
D, japanning: the surface of the flat bare wire of finished product through supercooling matting is coated with last layer glue line, 8 ~ 9 road polyester-imide Inverter fed motor paints are applied again as corona-resistant insulation layer on the surface of glue line, then at surface-coated 1 ~ 3 road polyamidoimide paint of corona-resistant insulation layer as the insulating barrier improving hot property and chemical-resistance, obtain the flat enamelled wire of semi-finished product;
E, to cure: the speed order of flat for semi-finished product enamelled wire by 25 ~ 35 ms/min is cured by enameling furnace lower floor and enameling furnace upper strata, the inlet temperature of enameling furnace controls at 195 ~ 205 DEG C, lower floor's temperature of enameling furnace controls at 275 ~ 285 DEG C, before a catalysis of enameling furnace, temperature controls at 355 ~ 365 DEG C, after the catalysis of enameling furnace, supplementary heating temperature controls at 445 ~ 455 DEG C, the major cycle rotation speed of fan of enameling furnace controls at 1560r/min, the waste discharge rotation speed of fan of enameling furnace controls at 700r/min, and the lower fire door rotation speed of fan of enameling furnace controls at 1300r/min;
F, lubrication: by flat for the semi-finished product through curing operation enamelled wire surface coating winding displacement oil, obtain the flat enamelled wire of finished product;
G, take-up: by flat for finished product enamelled wire around on take-up reel.
Method of the present invention by japanning repeatedly, cure the insulating barrier forming multilayer different performance at copper core extexine, thus form a kind of Inverter fed motor enamelled wire with composite insulation layer, this Inverter fed motor enamelled wire has good tack and corona-resistance property, can meet variable-frequency motor corona-resistance property and temperature resistant grade requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
Embodiment 1
The new energy electric automobile motor manufacture method of flat winding wire comprises the steps:
A, extruding: oxygen-free copper bar is squeezed on extrusion equipment wide for 4.00mm, thick for 1.50mm and corner be the flat bare wire of semi-finished product of fillet;
B, annealing: flat for semi-finished product bare wire is carried out finished products by the speed order of 25 ~ 35 ms/min by the annealing pipe upper strata of annealing furnace and annealing pipe lower floor, annealing pipe top level control is 550 ~ 600 DEG C in temperature, annealing pipe lower floor temperature controls at 520 ~ 550 DEG C, obtains the flat bare wire of finished product;
C, cooling cleaning: flat for finished product bare wire is passed into bosh and carry out cooling cleaning, be the deionized water of temperature 80 ~ 90 DEG C in bosh, dry up the flat bare wire of finished product, make the temperature of the flat bare wire of finished product control at 35 ~ 50 DEG C after cooling cleaning with blower fan;
D, japanning: the surface of the flat bare wire of finished product through supercooling matting is coated with last layer glue line, 8 ~ 9 road polyester-imide Inverter fed motor paints are applied again as corona-resistant insulation layer on the surface of glue line, then at surface-coated 1 ~ 3 road polyamidoimide paint of corona-resistant insulation layer as the insulating barrier improving hot property and chemical-resistance, obtain the flat enamelled wire of semi-finished product;
E, to cure: the speed order of flat for semi-finished product enamelled wire by 25 ~ 35 ms/min is cured by enameling furnace lower floor and enameling furnace upper strata, the inlet temperature of enameling furnace controls at 195 ~ 205 DEG C, lower floor's temperature of enameling furnace controls at 275 ~ 285 DEG C, before a catalysis of enameling furnace, temperature controls at 355 ~ 365 DEG C, after the catalysis of enameling furnace, supplementary heating temperature controls at 445 ~ 455 DEG C, the major cycle rotation speed of fan of enameling furnace controls at 1560r/min, the waste discharge rotation speed of fan of enameling furnace controls at 700r/min, and the lower fire door rotation speed of fan of enameling furnace controls at 1300r/min;
F, lubrication: by flat for the semi-finished product through curing operation enamelled wire surface coating winding displacement oil, obtain the flat enamelled wire of finished product;
G, take-up: by flat for finished product enamelled wire around on take-up reel.
Embodiment 2
The new energy electric automobile motor manufacture method of flat winding wire comprises the steps:
A, wire drawing: oxygen-free copper bar is squeezed on extrusion equipment wide for 3.15mm, thick for 2.00mm and corner be the flat bare wire of semi-finished product of fillet;
B, annealing: flat for semi-finished product bare wire is carried out finished products by the speed order of 25 ~ 35 ms/min by the annealing pipe upper strata of annealing furnace and annealing pipe lower floor, annealing pipe top level control is 550 ~ 600 DEG C in temperature, annealing pipe lower floor temperature controls at 520 ~ 550 DEG C, obtains the flat bare wire of finished product;
C, cooling cleaning: flat for finished product bare wire is passed into bosh and carry out cooling cleaning, be the deionized water of temperature 80 ~ 90 DEG C in bosh, dry up the flat bare wire of finished product, make the temperature of the flat bare wire of finished product control at 35 ~ 50 DEG C after cooling cleaning with blower fan;
D, japanning: the surface of the flat bare wire of finished product through supercooling matting is coated with last layer glue line, 8 ~ 9 road polyester-imide Inverter fed motor paints are applied again as corona-resistant insulation layer on the surface of glue line, then at surface-coated 1 ~ 3 road polyamidoimide paint of corona-resistant insulation layer as the insulating barrier improving hot property and chemical-resistance, obtain the flat enamelled wire of semi-finished product;
E, to cure: the speed order of flat for semi-finished product enamelled wire by 25 ~ 35 ms/min is cured by enameling furnace lower floor and enameling furnace upper strata, the inlet temperature of enameling furnace controls at 195 ~ 205 DEG C, lower floor's temperature of enameling furnace controls at 275 ~ 285 DEG C, before a catalysis of enameling furnace, temperature controls at 355 ~ 365 DEG C, after the catalysis of enameling furnace, supplementary heating temperature controls at 445 ~ 455 DEG C, the major cycle rotation speed of fan of enameling furnace controls at 1560r/min, the waste discharge rotation speed of fan of enameling furnace controls at 700r/min, and the lower fire door rotation speed of fan of enameling furnace controls at 1300r/min;
F, lubrication: by flat for the semi-finished product through curing operation enamelled wire surface coating winding displacement oil, obtain the flat enamelled wire of finished product;
G, take-up: by flat for finished product enamelled wire around on take-up reel.
Embodiment 3
The new energy electric automobile motor manufacture method of flat winding wire comprises the steps:
A, wire drawing: oxygen-free copper bar is squeezed on extrusion equipment wide for 7.40mm, thick for 1.90mm and corner be the flat bare wire of semi-finished product of fillet;
B, annealing: flat for semi-finished product bare wire is carried out finished products by the speed order of 25 ~ 35 ms/min by the annealing pipe upper strata of annealing furnace and annealing pipe lower floor, annealing pipe top level control is 550 ~ 600 DEG C in temperature, annealing pipe lower floor temperature controls at 520 ~ 550 DEG C, obtains the flat bare wire of finished product;
C, cooling cleaning: flat for finished product bare wire is passed into bosh and carry out cooling cleaning, be the deionized water of temperature 80 ~ 90 DEG C in bosh, dry up the flat bare wire of finished product, make the temperature of the flat bare wire of finished product control at 35 ~ 50 DEG C after cooling cleaning with blower fan;
D, japanning: the surface of the flat bare wire of finished product through supercooling matting is coated with last layer glue line, 8 ~ 9 road polyester-imide Inverter fed motor paints are applied again as corona-resistant insulation layer on the surface of glue line, then at surface-coated 1 ~ 3 road polyamidoimide paint of corona-resistant insulation layer as the insulating barrier improving hot property and chemical-resistance, obtain the flat enamelled wire of semi-finished product;
E, to cure: the speed order of flat for semi-finished product enamelled wire by 25 ~ 35 ms/min is cured by enameling furnace lower floor and enameling furnace upper strata, the inlet temperature of enameling furnace controls at 195 ~ 205 DEG C, lower floor's temperature of enameling furnace controls at 275 ~ 285 DEG C, before a catalysis of enameling furnace, temperature controls at 355 ~ 365 DEG C, after the catalysis of enameling furnace, supplementary heating temperature controls at 445 ~ 455 DEG C, the major cycle rotation speed of fan of enameling furnace controls at 1560r/min, the waste discharge rotation speed of fan of enameling furnace controls at 700r/min, and the lower fire door rotation speed of fan of enameling furnace controls at 1300r/min;
F, lubrication: by flat for the semi-finished product through curing operation enamelled wire surface coating winding displacement oil, obtain the flat enamelled wire of finished product;
G, take-up: by flat for finished product enamelled wire around on take-up reel.
The performance parameter of embodiment finished product enameled sheet wire is as follows:
Claims (1)
1. a new energy electric automobile motor manufacture method for flat winding wire, is characterized in that: comprise the steps:
A, wire drawing: the flat bare wire of semi-finished product oxygen-free copper bar being squeezed on extrusion equipment given size;
B, annealing: flat for semi-finished product bare wire is carried out finished products by the speed order of 25 ~ 35 ms/min by the annealing pipe upper strata of annealing furnace and annealing pipe lower floor, annealing pipe top level control is 550 ~ 600 DEG C in temperature, annealing pipe lower floor temperature controls at 520 ~ 550 DEG C, obtains the flat bare wire of finished product;
C, cooling cleaning: flat for finished product bare wire is passed into bosh and carry out cooling cleaning, be the deionized water of temperature 80 ~ 90 DEG C in bosh, dry up the flat bare wire of finished product, make the temperature of the flat bare wire of finished product control at 35 ~ 50 DEG C after cooling cleaning with blower fan;
D, japanning: the surface of the flat bare wire of finished product through supercooling matting is coated with last layer glue line, 8 ~ 9 road polyester-imide Inverter fed motor paints are applied again as corona-resistant insulation layer on the surface of glue line, then at surface-coated 1 ~ 3 road polyamidoimide paint of corona-resistant insulation layer as the insulating barrier improving hot property and chemical-resistance, obtain the flat enamelled wire of semi-finished product; The shape of cross section of described flat bare wire is fillet rectangle;
E, to cure: the speed order of flat for semi-finished product enamelled wire by 25 ~ 35 ms/min is cured by enameling furnace lower floor and enameling furnace upper strata, the inlet temperature of enameling furnace controls at 195 ~ 205 DEG C, lower floor's temperature of enameling furnace controls at 275 ~ 285 DEG C, before a catalysis of enameling furnace, temperature controls at 355 ~ 365 DEG C, after the catalysis of enameling furnace, supplementary heating temperature controls at 445 ~ 455 DEG C, the major cycle rotation speed of fan of enameling furnace controls at 1560r/min, the waste discharge rotation speed of fan of enameling furnace controls at 700r/min, and the lower fire door rotation speed of fan of enameling furnace controls at 1300r/min;
F, lubrication: by flat for the semi-finished product through curing operation enamelled wire surface coating winding displacement oil, obtain the flat enamelled wire of finished product;
G, take-up: by flat for finished product enamelled wire around on take-up reel;
The thickness of described corona-resistant insulation layer (2) is 0.04 ~ 0.06mm; The thickness of the insulating barrier (1) of described raising hot property and chemical-resistance is 0.02 ~ 0.03mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210379388.1A CN102945698B (en) | 2012-10-09 | 2012-10-09 | Rectangular winding wire for new energy electric automobile motor and manufacturing method thereof |
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| CN201210379388.1A CN102945698B (en) | 2012-10-09 | 2012-10-09 | Rectangular winding wire for new energy electric automobile motor and manufacturing method thereof |
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| CN102945698B true CN102945698B (en) | 2015-04-29 |
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|---|---|---|---|---|
| CN107680719A (en) * | 2017-10-30 | 2018-02-09 | 无锡统力电工股份有限公司 | High heat-resisting corona enamel-cover rectangular winding wire and preparation method thereof |
| CN109859899A (en) * | 2018-12-31 | 2019-06-07 | 江苏泰力松新材料有限公司 | A kind of flat enameled wire manufacture craft |
| CN111446047A (en) * | 2020-04-07 | 2020-07-24 | 安徽恒明工程技术有限公司 | Electromagnetic wire baking process |
| CN113363019A (en) * | 2021-07-28 | 2021-09-07 | 广东麦米电工技术有限公司 | Manufacturing method of ultra-fine flat enameled wire |
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Address after: 214196, No. 22, Gong Gong Road, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee after: WUXI TOLY ELECTRIC MAGNET WORK CO., LTD. Address before: 214196 A District, Donggang Town, Xishan District, Jiangsu, Wuxi Patentee before: Wuxi Toly Electric Co., Ltd. |
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