CN103928997B - 用于电动工具的电机 - Google Patents
用于电动工具的电机 Download PDFInfo
- Publication number
- CN103928997B CN103928997B CN201310664455.9A CN201310664455A CN103928997B CN 103928997 B CN103928997 B CN 103928997B CN 201310664455 A CN201310664455 A CN 201310664455A CN 103928997 B CN103928997 B CN 103928997B
- Authority
- CN
- China
- Prior art keywords
- magnet
- rotor
- main body
- output shaft
- mechanical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005242 forging Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000005355 Hall effect Effects 0.000 description 1
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910005813 NiMH Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K5/15—Mounting arrangements for bearing-shields or end plates
-
- 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
- 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
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
- H02K7/145—Hand-held machine tool
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261723142P | 2012-11-06 | 2012-11-06 | |
US61/723,142 | 2012-11-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103928997A CN103928997A (zh) | 2014-07-16 |
CN103928997B true CN103928997B (zh) | 2017-11-24 |
Family
ID=50621691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310664455.9A Active CN103928997B (zh) | 2012-11-06 | 2013-11-06 | 用于电动工具的电机 |
Country Status (2)
Country | Link |
---|---|
US (2) | US10432045B2 (zh) |
CN (1) | CN103928997B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140124231A1 (en) * | 2012-11-06 | 2014-05-08 | Milwaukee Electric Tool Corporation | Electric motor for a power tool |
US10432045B2 (en) | 2012-11-06 | 2019-10-01 | Milwaukee Electric Tool Corporation | Electric motor for a power tool |
EP3197025B1 (en) | 2014-11-25 | 2020-10-28 | Black & Decker Inc. | Brushless motor for a power tool |
EP3085498A1 (de) * | 2015-04-24 | 2016-10-26 | HILTI Aktiengesellschaft | Handwerkzeugmaschine |
US10328566B2 (en) | 2015-10-14 | 2019-06-25 | Black & Decker Inc. | Brushless motor system for power tools |
TWM550510U (zh) | 2016-03-30 | 2017-10-11 | 米沃奇電子工具公司 | 用於動力工具之無刷馬達 |
US11027405B2 (en) * | 2016-05-31 | 2021-06-08 | Positec Power Tools (Suzhou) Co., Ltd. | Power tool |
CN107546885A (zh) * | 2016-06-28 | 2018-01-05 | 德昌电机(深圳)有限公司 | 转子、转子的制造方法、电机及电动工具 |
US11742710B2 (en) | 2018-11-29 | 2023-08-29 | Milwaukee Electric Tool Corporation | Rotor assembly for an electric motor |
CN216442260U (zh) | 2019-06-12 | 2022-05-06 | 米沃奇电动工具公司 | 电动工具 |
CN211606217U (zh) * | 2019-12-27 | 2020-09-29 | 广东德昌电机有限公司 | 电动工具、电机及其转子组件 |
US12027919B2 (en) * | 2021-01-21 | 2024-07-02 | Black & Decker Inc. | Rotor magnet retainer |
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CN102545434A (zh) * | 2012-01-22 | 2012-07-04 | 浙江大学 | 一种径向式永磁同步电机转子结构 |
CN202475068U (zh) * | 2012-03-26 | 2012-10-03 | 珠海格力电器股份有限公司 | 电机永磁体固定结构以及包括该结构的电机 |
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CN1856925A (zh) * | 2003-04-14 | 2006-11-01 | 哈格雷夫斯技术公司 | 具有轴承预载的泵电机 |
CN1848609A (zh) * | 2005-04-13 | 2006-10-18 | 日立工机株式会社 | 电动工具 |
CN101599666A (zh) * | 2008-06-03 | 2009-12-09 | 罗伯特·博世有限公司 | 转子和用于识别转子的转子位置的装置 |
CN102545434A (zh) * | 2012-01-22 | 2012-07-04 | 浙江大学 | 一种径向式永磁同步电机转子结构 |
CN202475068U (zh) * | 2012-03-26 | 2012-10-03 | 珠海格力电器股份有限公司 | 电机永磁体固定结构以及包括该结构的电机 |
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US20140125158A1 (en) | 2014-05-08 |
US20190379249A1 (en) | 2019-12-12 |
US11784518B2 (en) | 2023-10-10 |
US10432045B2 (en) | 2019-10-01 |
CN103928997A (zh) | 2014-07-16 |
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