WO2014071835A1 - 直驱式电动工具 - Google Patents

直驱式电动工具 Download PDF

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Publication number
WO2014071835A1
WO2014071835A1 PCT/CN2013/086589 CN2013086589W WO2014071835A1 WO 2014071835 A1 WO2014071835 A1 WO 2014071835A1 CN 2013086589 W CN2013086589 W CN 2013086589W WO 2014071835 A1 WO2014071835 A1 WO 2014071835A1
Authority
WO
WIPO (PCT)
Prior art keywords
brushless motor
motor
direct
electric tool
electric
Prior art date
Application number
PCT/CN2013/086589
Other languages
English (en)
French (fr)
Inventor
应时立
Original Assignee
Ying Shili
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47793406&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2014071835(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ying Shili filed Critical Ying Shili
Publication of WO2014071835A1 publication Critical patent/WO2014071835A1/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/008—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/02—Construction of casings, bodies or handles

Definitions

  • the invention relates to a power tool.
  • the driving method is motor driving, and the motor usually adopts a series pole motor.
  • the driving motor has a high rotation speed and needs a speed reduction mechanism.
  • a gear reduction mechanism is adopted, and an output shaft and a power tool of the gear reduction mechanism are used.
  • the drive side of the actuator is connected.
  • the present invention provides a direct drive type that reduces space occupation, reduces weight, reduces noise, and prolongs service life. electrical tools.
  • a direct drive type electric tool includes a casing, a motor mechanism is mounted in the casing, the electric tool further includes a low-speed brushless motor, and an output shaft of the brushless motor and an actuator of the electric tool are driven End connection.
  • the brushless motor is a high density power brushless motor.
  • a motor controller is coupled to the brushless motor, the motor controller being mounted to a side or a rear of the brushless motor.
  • the actuator of the electric power tool refers to a mechanism that realizes different operations, such as a buffing assembly of an angle grinder.
  • the beneficial effects of the invention are mainly manifested in: reducing the occupied space, reducing the weight, and reducing Less noise and longer life.
  • Figure 1 is a schematic view of a direct drive power tool.
  • a direct drive type electric power tool includes a casing 1 in which a motor-driven mechanism is mounted, the power tool further includes a low-speed brushless motor 2, and an output shaft of the brushless motor 2 The drive end of the actuator of the power tool is connected.
  • the brushless motor 2 is a high density power brushless motor.
  • the motor controller 3 is connected to the brushless motor 2, and the motor controller is mounted on the side or the rear of the brushless motor 2.
  • the high-density power brushless motor in this embodiment has the following characteristics: high efficiency, motor efficiency is above 80%; long service life of the whole machine, because there is no carbon brush and gear, the service life is
  • the power tool of this embodiment includes an angle grinder, a hand held electric circular saw, a hand-held cutter, and other types of power tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Sawing (AREA)

Abstract

一种直驱式电动工具，包括外壳，所述外壳内安装电动机构，所述电动工具还包括低转速的无刷电机，所述无刷电机的输出轴与所述电动机构的驱动端连接。本发明提供一种减少占用空间较、降低体重、减少噪音、延长使用寿命的直驱式电动工具。

Description

直驱式电动工具 技术领域
本发明涉及一种电动工具。
背景技术
现有的电动工具，驱动方式为电机驱动， 电机通常采用串极电机， 所述驱动电机的转速很高， 需要减速机构配合， 通常采用齿轮减速机 构，所述齿轮减速机构的输出轴与电动工具的执行机构的驱动端连接。 存在的技术缺陷： 占用空间较大， 体重较大， 噪音较大， 使用寿命较 短。
发明内容
为了克服已有电动工具的占用空间较大， 体重较大， 噪音较大， 使用寿命较短的不足， 本发明提供一种减少占用空间较、 降低体重、 减少噪音、 延长使用寿命的直驱式电动工具。
本发明解决其技术问题所采用的技术方案是：
一种直驱式电动工具， 包括外壳， 所述外壳内安装电动机构， 所 述电动工具还包括低转速的无刷电机， 所述无刷电机的输出轴与所述 电动工具的执行机构的驱动端连接。
进一步， 所述无刷电机为高密度功率无刷电机。
再进一步， 电机控制器与所述无刷电机连接， 所述电机控制器安 装在所述无刷电机的侧面或后面。
本发明中， 电动工具的执行机构是指实现不同操作的机构， 例如 角向磨光机的磨光组件等。
本发明的有益效果主要表现在： 减少占用空间较、 降低体重、 减 少噪音、 延长使用寿命。
附图说明
图 1是一种直驱式电动工具的示意图。
具体实施方式
下面结合附图对本发明作进一步描述。
参照图 1， 一种直驱式电动工具， 包括外壳 1， 所述外壳 1内安装 电动机构，所述电动工具还包括低转速的无刷电机 2，所述无刷电机 2 的输出轴与所述电动工具的执行机构的驱动端连接。
进一步， 所述无刷电机 2为高密度功率无刷电机。
电机控制器 3与所述无刷电机 2连接， 所述电机控制器安装在所 述无刷电机 2的侧面或后面。
本实施例中的高密度功率无刷电机具有以下特点： 效率高， 电机 效率在 80%以上； 整机使用寿命长， 因为没有碳刷和齿轮， 用寿命在
1200小时以上； 噪音低在 65db左右； 体积小， 重量轻四之一； 具有 电流过载保护和突来电保护。 本实施例的电动工具包括角向磨光机、 手持式电圆锯、 手持式切 割机， 以及其他类型的电动工具。

Claims

权 利 要 求 书
1、 一种直驱式电动工具， 包括外壳， 所述外壳内安装电动机构， 其特 征在于： 所述电动工具还包括低转速的无刷电机， 所述无刷电机的输 出轴与所述电动工具的执行机构的驱动端连接。
2、如权利要求 1所述的直驱式电动工具， 其特征在于： 所述无刷电机 为高密度功率无刷电机。
3、如权利要求 1或 2所述的直驱式电动工具， 其特征在于： 电机控制 器与所述无刷电机连接， 所述电机控制器安装在所述无刷电机的侧面 或后面。
PCT/CN2013/086589 2012-11-07 2013-11-06 直驱式电动工具 WO2014071835A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210454670.1A CN102962821B (zh) 2012-11-07 2012-11-07 直驱式电动工具
CN201210454670.1 2012-11-07

Publications (1)

Publication Number Publication Date
WO2014071835A1 true WO2014071835A1 (zh) 2014-05-15

Family

ID=47793406

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/086589 WO2014071835A1 (zh) 2012-11-07 2013-11-06 直驱式电动工具

Country Status (2)

Country Link
CN (1) CN102962821B (zh)
WO (1) WO2014071835A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102962821B (zh) * 2012-11-07 2015-06-17 应时立 直驱式电动工具
DE102013215821A1 (de) * 2013-08-09 2015-02-12 Robert Bosch Gmbh Handwerkzeugmaschine mit einem elektromotorischen Antrieb als Direktantrieb
CN105437159A (zh) * 2014-05-30 2016-03-30 浙江绿动电机科技有限公司 一种角向磨光机
WO2015180395A1 (zh) * 2014-05-30 2015-12-03 浙江绿动电机科技有限公司 一种角向磨光机
CN105437160A (zh) * 2014-05-30 2016-03-30 浙江绿动电机科技有限公司 云石切割机

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JP2006150571A (ja) * 2004-12-01 2006-06-15 Nidec Shibaura Corp 電動工具
EP2239091A1 (fr) * 2009-04-03 2010-10-13 M.B.H. Developpement Machine électroportative avec dispositif de motorisation "sans balais" destinée à des applications de ponçage, surfaçage, meulage, forage notamment
CN102741024A (zh) * 2010-02-11 2012-10-17 胡斯华纳有限公司 具有无刷电机的电池驱动的电动工具
CN102962821A (zh) * 2012-11-07 2013-03-13 应时立 直驱式电动工具
CN202985527U (zh) * 2012-11-07 2013-06-12 应时立 直驱式电动工具

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CN201371437Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种电动螺丝批
CN201371284Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种电动曲线锯
CN201371283Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种电圆锯
CN201371407Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种平板磨砂机
CN201371408Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种角磨机
CN201371285Y (zh) * 2009-03-06 2009-12-30 姜卫亮 一种电动往复锯
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006150571A (ja) * 2004-12-01 2006-06-15 Nidec Shibaura Corp 電動工具
EP2239091A1 (fr) * 2009-04-03 2010-10-13 M.B.H. Developpement Machine électroportative avec dispositif de motorisation "sans balais" destinée à des applications de ponçage, surfaçage, meulage, forage notamment
CN102741024A (zh) * 2010-02-11 2012-10-17 胡斯华纳有限公司 具有无刷电机的电池驱动的电动工具
CN102962821A (zh) * 2012-11-07 2013-03-13 应时立 直驱式电动工具
CN202985527U (zh) * 2012-11-07 2013-06-12 应时立 直驱式电动工具

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