CN107947510A - 节能高效永磁同步电动机 - Google Patents
节能高效永磁同步电动机 Download PDFInfo
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- CN107947510A CN107947510A CN201711333366.0A CN201711333366A CN107947510A CN 107947510 A CN107947510 A CN 107947510A CN 201711333366 A CN201711333366 A CN 201711333366A CN 107947510 A CN107947510 A CN 107947510A
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- 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
- H02K1/14—Stator cores with salient poles
- H02K1/145—Stator cores with salient poles having an annular coil, e.g. of the claw-pole type
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/24—Rotor cores with salient poles ; Variable reluctance rotors
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- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本发明公开了一种节能高效永磁同步电动机,包括电机轴、机座、定子、转子;转子包括固定连接在电机轴上的电磁组件和固定连接在电磁组件两端开式叶片结构的左风叶、右风叶组成;机座是由前端盖、壳体组成的整体式筒形构件,前端盖、壳体中分别设有用作水道的空腔夹层,前端盖、壳体中的空腔夹层连通;前端盖、壳体上分别设有与各自空腔夹层连通的接头;左风叶、右风叶结构不对称,左风叶的叶片轴向长度L1比右风叶叶片轴向长度L2长0.8~1.2倍;进一步改进在于:定子、转子之间设有节能结构。本发明散热效果好,起动容易,转速稳定,显著提高工作效率,节能效果好。
Description
技术领域
本发明涉及电动机技术领域,特别涉及一种电动机。
背景技术
电动机常规结构为外置定子、内置转子,转子两端设有开式叶片风轮,与转子同轴旋转时产生的风起到驱热降温作用,但降温效果有限,如果电动机运行时产生的热量较多,则无法及时将电动机产生的热量散发出去,可能会造成电动机的过热,损坏电动机。
发明内容
本发明针对现有技术的不足,提供一种显著提高散热效果,能及时将电动机产生的热量散发出去的节能高效永磁同步电动机。
本发明通过下述技术方案实现技术目标。
节能高效永磁同步电动机,包括电机轴、机座、定子、转子;所述转子包括固定连接在电机轴上的电磁组件和固定连接在电磁组件两端开式叶片结构的左风叶、右风叶组成;其改进之处在于:所述机座是由前端盖、壳体组成的整体式筒形构件,所述前端盖、壳体中分别设有用作水道的空腔夹层,前端盖、壳体中的空腔夹层连通;所述前端盖、壳体上分别设有与各自空腔夹层连通的接头;所述左风叶、右风叶结构不对称,左风叶的叶片轴向长度L1比右风叶叶片轴向长度L2长0.8~1.2倍。
上述结构中,在定子的硅钢片铁芯上有三个均匀分布的磁极,在这三个磁极之间的凹槽中各自嵌装一个永磁材料构成的极掌,在每个磁极和极掌的两侧都设有励磁线圈,转子也是用永磁材料构成的,转子上设有六个外凸的电枢齿,所述电枢齿分别与磁极、极掌相互对应,在齿槽内设有电枢绕组。
上述结构中,所述壳体空腔夹层内设有导流板;所述导流板呈螺旋状盘绕在壳体空腔夹层内。
本发明与现有技术相比,具有以下积极效果:
1.本发明采用内外组合式冷却结构:外层通过机座中连通的冷却水道冷却,内层通过转子左风叶、右风叶的结构差异产生气压差形成空气对流,内外组合式冷却结构起到较好的冷却作用,显著提高散热效果,能及时将电动机产生的热量散发出去。
2.机座是由前端盖、壳体组成的整体式筒形构件,显著提高结构刚性、防护性能。
3.在定子的硅钢片铁芯上有三个均匀分布的磁极,在这三个磁极之间的凹槽中各自嵌装一个永磁材料构成的极掌,在每个磁极和极掌的两侧都设有励磁线圈,转子也是用永磁材料构成的,转子上设有六个外凸的电枢齿,所述电枢齿分别与磁极、极掌相互对应,在齿槽内设有电枢绕组,这样,一方面起动容易,转速稳定;另一方面,显著提高工作效率,节能效果好。
4.壳体空腔夹层内设有呈螺旋状盘绕的导流板,进一步提高散热效果。
附图说明
图1为本发明的结构示意图。
图2为本发明中定子、转子结合的结构示意图。
具体实施方式
下面根据附图并结合实施例对本发明作进一步说明。
附图所示的节能高效永磁同步电动机,包括电机轴1、机座3、定子2、转子4;转子4包括固定连接在电机轴1上的电磁组件4.1和固定连接在电磁组件4.1两端开式叶片结构的左风叶4.2、右风叶4.3组成,左风叶4.2、右风叶4.3结构不对称,左风叶4.2的叶片轴向长度L1比右风叶4.3叶片轴向长度L2长0.8倍(其他实施例中,左风叶4.2的叶片轴向长度L1比右风叶4.3叶片轴向长度L2长1.2倍,这种情况下,散热效果好于本实施例)。
机座3是由前端盖3.1、壳体3.2组成的整体式筒形构件,前端盖3.1、壳体3.2中分别设有用作水道的空腔夹层,前端盖3.1、壳体3.2中的空腔夹层连通,壳体3.2空腔夹层内设有导流板3.4;导流板3.4呈螺旋状盘绕在壳体3.2空腔夹层内;前端盖3.1、壳体3.2上分别设有与各自空腔夹层连通的接头3.3。
在定子2的硅钢片铁芯2.1上有三个均匀分布的磁极2.2,在这三个磁极2.2之间的凹槽中各自嵌装一个永磁材料构成的极掌2.4,在每个磁极2.2和极掌2.4的两侧都设有励磁线圈2.3,转子4也是用永磁材料构成的,转子4上设有六个外凸的电枢齿4.1,电枢齿4.1分别与磁极2.2、极掌2.4相互对应,在齿槽4.2内设有电枢绕组4.3。
Claims (3)
1.一种节能高效永磁同步电动机,包括电机轴(1)、机座(3)、定子(2)、转子(4);所述转子(4)包括固定连接在电机轴(1)上的电磁组件(4.1)和固定连接在电磁组件(4.1)两端开式叶片结构的左风叶(4.2)、右风叶(4.3)组成;其特征在于:所述机座(3)是由前端盖(3.1)、壳体(3.2)组成的整体式筒形构件,所述前端盖(3.1)、壳体(3.2)中分别设有用作水道的空腔夹层,前端盖(3.1)、壳体(3.2)中的空腔夹层连通;所述前端盖(3.1)、壳体(3.2)上分别设有与各自空腔夹层连通的接头(3.3);所述左风叶(4.2)、右风叶(4.3)结构不对称,左风叶(4.2)的叶片轴向长度L1比右风叶(4.3)叶片轴向长度L2长0.8~1.2倍。
2.根据权利要求1所述的节能高效永磁同步电动机,其特征在于:在定子(2)的硅钢片铁芯(2.1)上有三个均匀分布的磁极(2.2),在这三个磁极(2.2)之间的凹槽中各自嵌装一个永磁材料构成的极掌(2.4),在每个磁极(2.2)和极掌(2.4)的两侧都设有励磁线圈(2.3),转子(4)也是用永磁材料构成的,转子(4)上设有六个外凸的电枢齿(4.1),所述电枢齿(4.1)分别与磁极(2.2)、极掌(2.4)相互对应,在齿槽(4.2)内设有电枢绕组(4.3)。
3.根据权利要求1或2所述的节能高效永磁同步电动机,其特征在于:所述壳体(3.2)空腔夹层内设有导流板(3.4);所述导流板(3.4)呈螺旋状盘绕在壳体(3.2)空腔夹层内。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI670917B (zh) * | 2018-04-27 | 2019-09-01 | 建準電機工業股份有限公司 | 馬達 |
CN110912366A (zh) * | 2019-12-11 | 2020-03-24 | 杭州美时美刻物联网科技有限公司 | 一种永磁伺服电机 |
WO2020098340A1 (zh) * | 2018-11-14 | 2020-05-22 | 珠海格力电器股份有限公司 | 压缩机及其电机 |
EP3683938A1 (de) * | 2019-01-15 | 2020-07-22 | GF Casting Solutions AG | Gekühltes gehäuse |
-
2017
- 2017-12-14 CN CN201711333366.0A patent/CN107947510A/zh not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI670917B (zh) * | 2018-04-27 | 2019-09-01 | 建準電機工業股份有限公司 | 馬達 |
WO2020098340A1 (zh) * | 2018-11-14 | 2020-05-22 | 珠海格力电器股份有限公司 | 压缩机及其电机 |
EP3683938A1 (de) * | 2019-01-15 | 2020-07-22 | GF Casting Solutions AG | Gekühltes gehäuse |
US11515748B2 (en) | 2019-01-15 | 2022-11-29 | Gf Casting Solutions Ag | Cooled housing |
CN110912366A (zh) * | 2019-12-11 | 2020-03-24 | 杭州美时美刻物联网科技有限公司 | 一种永磁伺服电机 |
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