WO2018076921A1 - 用于电机的定子、电机及压缩机 - Google Patents
用于电机的定子、电机及压缩机 Download PDFInfo
- Publication number
- WO2018076921A1 WO2018076921A1 PCT/CN2017/099341 CN2017099341W WO2018076921A1 WO 2018076921 A1 WO2018076921 A1 WO 2018076921A1 CN 2017099341 W CN2017099341 W CN 2017099341W WO 2018076921 A1 WO2018076921 A1 WO 2018076921A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- motor
- electric machine
- machine according
- teeth
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/02—Windings characterised by the conductor material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/30—Windings characterised by the insulating material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Definitions
- the present invention relates to the field of compressor technology, and more particularly to a stator, a motor and a compressor for an electric machine.
- a motor is generally provided on the compressor to drive the compressor to compress the refrigerant.
- the present invention aims to solve at least one of the technical problems in the related art to some extent.
- the present invention proposes a stator for an electric motor, which is advantageous for improving the output power of the motor when the stator is used on the motor, and is advantageous for saving materials compared with a motor that achieves the same output power under the related art. cut costs.
- the invention also proposes an electric machine comprising the above described stator for an electric machine.
- the invention also proposes a compressor comprising the above described electric machine.
- a stator for an electric machine includes: a substantially annular stator body, the stator body being formed by stacking a plurality of silicon steel sheets having a magnetic induction strength of B, B>1.79T, a plurality of spaced apart stator teeth are formed on an inner peripheral wall of the stator body, and a receiving groove is defined between the two adjacent stator teeth; wherein a diameter of a circle of the inner end faces of the plurality of stator teeth is D1, The diameter of the circle at the outer end of the stator body is D2, and D1 and D2 satisfy: D1/D2>0.515.
- a stator for an electric machine wherein the stator body is formed of a plurality of silicon steel sheets, and the magnetic induction strength of the silicon steel sheet is B>1.79T, and the inner end faces of the plurality of stator teeth 2 are rounded
- the diameter D1 of the diameter D1 and the circle of the outer end of the stator body 1 satisfy: D1/D2>0.515, so that when the stator is used on the motor, it is advantageous to improve the performance of the motor and improve the output power of the motor, and the related art achieves Compared with motors under the same output power conditions, it is beneficial to save materials and reduce costs.
- the silicon steel sheet has a thickness of 0.35 mm or 0.5 mm.
- the area of the orthographic projection of the receiving groove on the cross section of the stator body is S, S satisfies: S>[0.215*(D2 2 -D1 2 )*3.14]/4mm 2 .
- the width of each of the stator teeth is a stator tooth width, and two adjacent ones are The center distance between the inner ends of the nanogrooves is the stator pitch, the stator tooth width is bt1, the stator pitch is t1, and bt1 and t1 satisfy: bt1/t1 ⁇ 0.48.
- the silicon steel sheet is processed by a cold rolling process.
- the inner end of each of the stator teeth is provided with a stop for limiting the coil assembly of the motor.
- a motor according to an embodiment of the present invention includes: the stator described above; and a coil assembly adapted to be wound around the stator teeth and housed in the receiving groove.
- the motor according to the embodiment of the present invention is advantageous in improving the performance of the motor and improving the output power of the motor by providing the above-mentioned stator, which is advantageous for saving materials and reducing cost compared with the motor in the related art under the same output power condition.
- the power cord of the coil assembly is a polyamide-imide composite polyester imide enamelled copper wire, a polyamide-imide composite polyester imide enamelled aluminum wire, a polyester paint. Copper wire, polyester enamelled aluminum wire or copper clad aluminum wire.
- a compressor according to an embodiment of the present invention includes the above-described motor.
- FIG. 1 is a partial structural schematic view of a motor according to some embodiments of the present invention.
- FIG. 2 is a top plan view of a stator in accordance with some embodiments of the present invention.
- FIG. 3 is a top plan view of a stator in accordance with some embodiments of the present invention, with shaded portions representing the area of the receiving slot.
- Stator 100 stator body 1; stator teeth 2; limiting portion 21; receiving groove 3;
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
- features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
- the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
- the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
- the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
- the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
- the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
- a stator 100 according to an embodiment of the present invention, which can be used on a motor, will be described below with reference to Figs.
- a stator 100 for an electric machine may include a substantially annular stator body 1.
- the stator body 1 is formed by stacking a plurality of silicon steel sheets, for example, a plurality of substantially annular silicon steel sheets are sequentially stacked in the up and down direction to form the stator body 1. It can be understood that the up and down direction here is the axial direction of the stator body 1.
- the magnetic induction strength of the silicon steel sheet is B, B>1.79T, for example, B is 1.8T, 1.82T, 1.85T or 1.87T. Therefore, when the stator 100 is used on the motor, the iron loss is small, which is advantageous for improving the performance of the motor, and is advantageous for reducing the volume and weight of the stator 100 and saving materials.
- the inner peripheral wall of the stator body 1 is formed with a plurality of spaced apart stator teeth 2, and the adjacent two stator teeth 2 define a receiving groove 3 between the stator 100 for use on the motor.
- the coil assembly 200 of the motor can be wound around the stator teeth 2 and housed in the accommodating groove 3, thereby realizing assembly of the motor.
- the diameter of the circle of the inner end faces of the plurality of stator teeth 2 is D1
- the diameter of the circle of the outer end of the stator body 1 is D2
- D1 and D2 satisfy: D1/D2>0.515, for example, D1/D2 It is 0.52, 0.53, 0.55, and the like.
- the stator 100 for an electric machine is formed by stacking a plurality of silicon steel sheets, and the magnetic induction strength of the silicon steel sheet is B> 1.79T, and the inner end faces of the plurality of stator teeth 2 are located.
- the diameter D1 of the circle and the diameter D2 of the circle at the outer end of the stator body 1 satisfy: D1/D2>0.515, so that when the stator 100 is used on the motor, it is advantageous to improve the performance of the motor and improve the output power of the motor. Compared with motors with the same output power in the technology, it is beneficial to save materials and reduce costs.
- the silicon steel sheet has a thickness of 0.35 mm or 0.5 mm. Thereby, it is advantageous to further optimize the structure of the stator body 1.
- the area of the orthographic projection of the receiving groove 3 on the cross section of the stator body 1 is S, S satisfies: S > [0.215 * (D2 2 - D1 2 ) * 3.14] / 4 mm 2 . That is, the sum of the areas of the orthographic projections of each of the accommodating grooves 3 on the cross section of the stator body 1 is S, S satisfies: S>[0.215*(D2 2 - D1 2 )*3.14]/4 mm 2 .
- the structure of the stator body 1 is further optimized.
- the width of each stator tooth 2 is the stator tooth width
- the center distance between the inner ends of the adjacent two receiving slots 3 is the stator pitch
- the stator tooth width is bt1
- the stator The pitch is t1
- bt1/t1 ⁇ 0.48 for example, bt1/t1 is 0.41, 0.43, 0.45, 0.46, or 0.47.
- the silicon steel sheet is processed by a cold rolling process. Therefore, it is simple and convenient, and is advantageous for improving processing efficiency.
- each stator tooth 2 is provided with a limiting portion 21 for limiting the coil assembly 200 of the motor.
- the coil assembly 200 can be reliably restrained by providing the stopper portion 21 at the inner end of the stator teeth 2 (i.e., near the center of the center of the stator body 1). On the stator teeth 2, to ensure the reliability of the motor when working.
- stator 100 The structure of the stator 100 according to an embodiment of the present invention will be described in detail below with reference to Figs. 2 to 3.
- the stator 100 of the present embodiment includes a substantially annular stator body 1.
- the thickness of the silicon steel sheet is 0.5 mm.
- the inner peripheral wall of the stator body 1 is formed with a plurality of spaced apart stator teeth 2, and the adjacent two stator teeth 2 define a receiving groove 3.
- the stator 100 is used on a motor, the coil assembly 200 of the motor can be wound.
- the stator teeth 2 are housed in the receiving groove 3, thereby realizing the assembly of the motor.
- the diameter of the circle of the inner end faces of the plurality of stator teeth 2 is D1
- the diameter of the circle of the outer end of the stator body 1 is D2
- D1 52 mm
- D2 100 mm
- D1/D2 0.52.
- the efficiency of the motor varies with torque at constant current, resistance and voltage and under different loads, where the efficiency of the motor is the ratio of output efficiency to input efficiency.
- a motor according to an embodiment of the present invention includes: the above-described stator 100; and a coil assembly 200, wherein the coil assembly 200 is adapted to be wound around the stator teeth 2 and housed in the accommodating groove 3.
- the stator 100 described above it is advantageous to improve the performance of the motor and improve the output power of the motor, which is advantageous for saving materials and reducing costs compared with the motor in the related art under the same output power condition. .
- the power cord of the coil assembly 200 is a polyamide-imide composite polyester imide enamelled copper wire, a polyamide-imide composite polyester imide enamelled aluminum wire, a polyester enamelled copper wire, and a poly Ester lacquered aluminum wire or copper clad aluminum wire.
- a polyamide-imide composite polyester imide enamelled copper wire a polyamide-imide composite polyester imide enamelled aluminum wire
- a polyester enamelled copper wire a poly Ester lacquered aluminum wire or copper clad aluminum wire.
- a compressor according to an embodiment of the present invention includes the above-described motor.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
Description
Claims (9)
- 一种用于电机的定子,其特征在于,包括:大体环形的定子本体,所述定子本体由多个硅钢片堆叠而成,所述硅钢片的磁感应强度为B,B>1.79T,所述定子本体的内周壁上形成有多个间隔设置的定子齿,相邻的两个所述定子齿之间限定出容纳槽;其中,所述多个定子齿的内端面所在圆的直径为D1,所述定子本体的外端所在圆的直径为D2,D1和D2满足:D1/D2>0.515。
- 根据权利要求1所述的用于电机的定子,其特征在于,所述硅钢片的厚度为0.35mm或0.5mm。
- 根据权利要求1-2中任一项所述的用于电机的定子,其特征在于,所述容纳槽在所述定子本体的横截面上的正投影的面积为S,S满足:S>[0.215*(D22-D12)*3.14]/4mm2。
- 根据权利要求1-3中任一项所述的用于电机的定子,其特征在于,每个所述定子齿的宽度为定子齿宽,相邻的两个所述容纳槽的内端之间的中心距离为定子齿距,所述定子齿宽为bt1,所述定子齿距为t1,bt1和t1满足:bt1/t1<0.48。
- 根据权利要求1-4中任一项所述的用于电机的定子,其特征在于,所述硅钢片通过冷轧工艺加工而成。
- 根据权利要求1-5中任一项所述的用于电机的定子组件,其特征在于,每个所述定子齿的内端设有用于对所述电机的线圈组件进行限位的限位部。
- 一种电机,其特征在于,包括:根据权利要求1-6中任一项所述的定子;以及线圈组件,所述线圈组件适于缠绕在所述定子齿上且容纳在所述容纳槽内。
- 根据权利要求7所述的电机,其特征在于,所述线圈组件的电源线为聚酰胺酰亚胺复合聚酯亚胺漆包铜线、聚酰胺酰亚胺复合聚酯亚胺漆包铝线、聚酯类漆包铜线、聚酯类漆包铝线或铜包铝线。
- 一种压缩机,其特征在于,包括根据权利要求7-8中任一项所述的电机。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/345,904 US10938257B2 (en) | 2016-10-31 | 2017-08-28 | Stator for motor, motor and compressor |
BR112019008696-0A BR112019008696B1 (pt) | 2016-10-31 | 2017-08-28 | Estator para um motor, motor, e, compressor |
EP17864415.9A EP3525319B1 (en) | 2016-10-31 | 2017-08-28 | Stator, motor and compressor for motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610939675.1A CN106487121A (zh) | 2016-10-31 | 2016-10-31 | 用于电机的定子、电机及压缩机 |
CN201610939675.1 | 2016-10-31 |
Publications (1)
Publication Number | Publication Date |
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WO2018076921A1 true WO2018076921A1 (zh) | 2018-05-03 |
Family
ID=58272900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2017/099341 WO2018076921A1 (zh) | 2016-10-31 | 2017-08-28 | 用于电机的定子、电机及压缩机 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10938257B2 (zh) |
EP (1) | EP3525319B1 (zh) |
CN (1) | CN106487121A (zh) |
BR (1) | BR112019008696B1 (zh) |
WO (1) | WO2018076921A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106487121A (zh) | 2016-10-31 | 2017-03-08 | 广东美芝精密制造有限公司 | 用于电机的定子、电机及压缩机 |
WO2020020363A1 (zh) * | 2018-07-27 | 2020-01-30 | 广东美芝制冷设备有限公司 | 空调、压缩机以及用于旋转式压缩机的电机 |
Citations (4)
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CN201758309U (zh) * | 2010-08-13 | 2011-03-09 | 宁波海诚电器有限公司 | 空调电机定子冲片 |
JP2011097660A (ja) * | 2009-10-27 | 2011-05-12 | Hitachi Ltd | 回転電機およびその固定子 |
CN203206003U (zh) * | 2013-04-16 | 2013-09-18 | 尼得科电机(青岛)有限公司 | 定子冲片和包括该定子冲片的电机 |
CN106487121A (zh) * | 2016-10-31 | 2017-03-08 | 广东美芝精密制造有限公司 | 用于电机的定子、电机及压缩机 |
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JPS59159640A (ja) * | 1983-02-28 | 1984-09-10 | Fujikura Ltd | 自己接着性絶縁電線およびこれを用いた密閉形圧縮機用電動機 |
DE10361858A1 (de) * | 2003-12-30 | 2005-07-28 | Robert Bosch Gmbh | Ständer für eine elektrische Maschine |
JP2010538485A (ja) * | 2007-09-07 | 2010-12-09 | ティッセンクルップ エレクトリカル スティール ゲゼルシャフト ミット ベシュレンクテル ハフツング | 磁気コアおよび磁気コアを電気機械に使用する方法 |
CN101625913A (zh) * | 2008-07-10 | 2010-01-13 | 刘斌恒 | 水中游移电缆 |
US7709992B2 (en) | 2008-07-31 | 2010-05-04 | Emerson Electric Co. | Electric machine |
CN102568703B (zh) * | 2012-02-28 | 2014-08-13 | 无锡友方电工有限公司 | 超薄聚酰亚胺漆包扁铜线制备方法 |
CN203482057U (zh) * | 2013-08-09 | 2014-03-12 | 深圳市配天电机技术有限公司 | 一种双转子电机及使用这种电机的风扇、压缩机 |
JP2015186403A (ja) * | 2014-03-26 | 2015-10-22 | 住友重機械工業株式会社 | 誘導電動機 |
CN105099016B (zh) * | 2015-09-02 | 2018-05-11 | 广东美芝制冷设备有限公司 | 定子冲片和具有其的压缩机 |
CN204947752U (zh) * | 2015-09-02 | 2016-01-06 | 广东美芝制冷设备有限公司 | 定子冲片和具有其的压缩机 |
CN105978271A (zh) * | 2015-12-01 | 2016-09-28 | 江苏大中电机股份有限公司 | 一种降低超高效三相异步电动机电磁噪声的方法 |
CN205544647U (zh) * | 2016-01-25 | 2016-08-31 | 广东威灵电机制造有限公司 | 定子冲片、定子铁芯及电机 |
CN106026447B (zh) * | 2016-06-30 | 2019-05-03 | 安徽美芝制冷设备有限公司 | 压缩机、变频电机、电机的定子冲片及其加工方法 |
-
2016
- 2016-10-31 CN CN201610939675.1A patent/CN106487121A/zh active Pending
-
2017
- 2017-08-28 EP EP17864415.9A patent/EP3525319B1/en active Active
- 2017-08-28 US US16/345,904 patent/US10938257B2/en active Active
- 2017-08-28 WO PCT/CN2017/099341 patent/WO2018076921A1/zh unknown
- 2017-08-28 BR BR112019008696-0A patent/BR112019008696B1/pt active IP Right Grant
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JP2011097660A (ja) * | 2009-10-27 | 2011-05-12 | Hitachi Ltd | 回転電機およびその固定子 |
CN201758309U (zh) * | 2010-08-13 | 2011-03-09 | 宁波海诚电器有限公司 | 空调电机定子冲片 |
CN203206003U (zh) * | 2013-04-16 | 2013-09-18 | 尼得科电机(青岛)有限公司 | 定子冲片和包括该定子冲片的电机 |
CN106487121A (zh) * | 2016-10-31 | 2017-03-08 | 广东美芝精密制造有限公司 | 用于电机的定子、电机及压缩机 |
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Also Published As
Publication number | Publication date |
---|---|
EP3525319A4 (en) | 2019-10-02 |
US20190319501A1 (en) | 2019-10-17 |
BR112019008696A2 (pt) | 2019-07-16 |
EP3525319B1 (en) | 2023-08-09 |
BR112019008696B1 (pt) | 2023-09-26 |
CN106487121A (zh) | 2017-03-08 |
EP3525319A1 (en) | 2019-08-14 |
US10938257B2 (en) | 2021-03-02 |
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