JPWO2022070765A5 - - Google Patents
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- JPWO2022070765A5 JPWO2022070765A5 JP2022553711A JP2022553711A JPWO2022070765A5 JP WO2022070765 A5 JPWO2022070765 A5 JP WO2022070765A5 JP 2022553711 A JP2022553711 A JP 2022553711A JP 2022553711 A JP2022553711 A JP 2022553711A JP WO2022070765 A5 JPWO2022070765 A5 JP WO2022070765A5
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- space
- housing
- fan
- motor
- cooling air
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- 238000001816 cooling Methods 0.000 claims description 27
- 238000011144 upstream manufacturing Methods 0.000 claims description 9
Description
本発明の１又はそれ以上の実施形態は、吸気口及び排気口を有するハウジングと、前記ハウジングに収容されたモータと、前記ハウジングに収容され、前記モータの駆動によって回転して前記ハウジングの内部において冷却風を発生させるファンと、前記モータを制御し、前記冷却風によって冷却される制御部と、を備え、前記制御部は、前記モータの側方に位置するように前記ハウジングに収容されて前記モータが収容される空間を区画し、前記冷却風は、前記吸気口から前記ハウジングの内部に吸い込まれ且つ前記ファンに流入される上流側冷却風と、前記ファンから流出され且つ前記排気口から前記ハウジングの外部へ排気される下流側冷却風と、を含んでおり、前記制御部が、前記上流側冷却風及び前記下流側冷却風によって冷却される作業機である。 One or more embodiments of the present invention comprise a housing having an air inlet and an air outlet, a motor housed in the housing, and a motor housed in the housing and driven by the motor to rotate inside the housing. a fan for generating cooling air; and a control unit that controls the motor and is cooled by the cooling air. A space in which a motor is accommodated is defined, and the cooling air is divided into upstream cooling air that is sucked into the housing from the intake port and flows into the fan, and upstream cooling air that flows out from the fan and flows from the exhaust port. and downstream cooling air discharged to the outside of the housing, wherein the control unit is cooled by the upstream cooling air and the downstream cooling air.
本発明の１又はそれ以上の実施形態は、前記ハウジングは、前記上流側冷却風が通過する第１空間と、前記下流側冷却風が通過する第２空間と、を有しており、前記制御部が前記第１空間及び前記第２空間に露出されている作業機である。 In one or more embodiments of the present invention, the housing has a first space through which the upstream cooling air passes and a second space through which the downstream cooling air passes, and the control The work machine has a portion exposed to the first space and the second space.
本発明の１又はそれ以上の実施形態は、前記ハウジングは、複数の分割ハウジングによって構成されており、前記分割ハウジングには、前記制御部を挟持する挟持部が形成されている作業機である。 One or more embodiments of the present invention is a work machine in which the housing is composed of a plurality of divided housings, and the divided housings are formed with holding portions for holding the control portion.
本発明の１又はそれ以上の実施形態は、前記ハウジングには、前記第１空間と前記第２空間とを区画し且つ前記上流側冷却風を整流して前記第２空間側へガイドする整流部が設けられ、前記整流部には、前記制御部の一部を前記第２空間に露出させるための露出部が形成されている作業機である。 In one or more embodiments of the present invention, the housing includes a straightening section that separates the first space and the second space, straightens the upstream cooling air, and guides it to the second space. is provided, and the straightening section is formed with an exposed section for exposing a part of the control section to the second space.
本発明の１又はそれ以上の実施形態は、前記制御部の一部が、前記ファンの径方向外側に配置されており、前記ファンが遠心ファンとして構成されている作業機である。 One or more embodiments of the present invention is a work machine in which part of the control unit is arranged radially outside the fan, and the fan is configured as a centrifugal fan.
Claims (12)
前記ハウジングに収容されたモータと、
前記ハウジングに収容され、前記モータの駆動によって回転して前記ハウジングの内部において冷却風を発生させるファンと、
前記モータを制御し、前記冷却風によって冷却される制御部と、
を備え、
前記制御部は、前記モータの側方に位置するように前記ハウジングに収容されて前記モータが収容される空間を区画し、
前記冷却風は、前記吸気口から前記ハウジングの内部に吸い込まれ且つ前記ファンに流入される上流側冷却風と、前記ファンから流出され且つ前記排気口から前記ハウジングの外部へ排気される下流側冷却風と、を含んでおり、
前記制御部が、前記上流側冷却風及び前記下流側冷却風によって冷却される作業機。 a housing having an inlet and an outlet;
a motor housed in the housing;
a fan that is housed in the housing and rotates when driven by the motor to generate cooling air inside the housing;
a control unit that controls the motor and is cooled by the cooling air;
with
the control unit is housed in the housing so as to be positioned on the side of the motor and defines a space in which the motor is housed;
The cooling air is divided into upstream cooling air that is sucked into the housing through the air inlet and flows into the fan, and downstream cooling air that flows out of the fan and is exhausted to the outside of the housing through the air outlet. including wind and
A work machine in which the control unit is cooled by the upstream cooling air and the downstream cooling air.
前記上流側冷却風が通過する第１空間と、前記下流側冷却風が通過する第２空間と、を有しており、
前記制御部が前記第１空間及び前記第２空間に露出されている請求項１に記載の作業機。 The housing is
having a first space through which the upstream cooling wind passes and a second space through which the downstream cooling wind passes;
The working machine according to claim 1, wherein the control section is exposed to the first space and the second space.
前記分割ハウジングには、前記制御部を挟持する挟持部が形成されている請求項２に記載の作業機。 The housing is composed of a plurality of split housings,
3. The work machine according to claim 2, wherein the divided housing is formed with a holding portion for holding the control portion.
前記整流部には、前記制御部の一部を前記第２空間に露出させるための露出部が形成されている請求項２又は請求項３に記載の作業機。 The housing is provided with a straightening section that separates the first space and the second space, straightens the upstream cooling air, and guides it to the second space,
The work machine according to claim 2 or 3, wherein the straightening section is formed with an exposed section for exposing a part of the control section to the second space.
前記整流部には、前記第１空間と前記第２空間とを連通するガイド孔が形成され、前記ファンの軸方向において前記ファン及び前記ガイド孔が対向して配置されている請求項４に記載の作業機。 The fan is arranged in the second space,
5. The rectifying unit according to claim 4, wherein a guide hole communicating between the first space and the second space is formed, and the fan and the guide hole are arranged to face each other in the axial direction of the fan. working machine.
前記モータに接続された制御基板と、
前記制御基板を収容し、厚み方向一方側が開口された箱状のケースと、
を含んで構成されており、
前記冷却風によって前記ケースの底壁を冷却する請求項２に記載の作業機。 The control unit
a control board connected to the motor;
a box-shaped case that houses the control board and is open on one side in the thickness direction;
is composed of
The working machine according to claim 2 , wherein the cooling air cools the bottom wall of the case.
前記吸気口が、前記ケースの底壁に対して前記ケースの厚み方向他方側に配置されている請求項６に記載の作業機。 The control unit is arranged in the first space,
The working machine according to claim 6 , wherein the intake port is arranged on the other side in the thickness direction of the case with respect to the bottom wall of the case.
前記ファンが遠心ファンとして構成されている請求項１～請求項９の何れか１項に記載の作業機。 A part of the control unit is arranged radially outward of the fan,
The work machine according to any one of claims 1 to 9 , wherein the fan is configured as a centrifugal fan.
前記ハウジングに収容されたモータと、
前記ハウジングに収容され、前記モータの駆動によって回転して前記ハウジングの内部において冷却風を発生させるファンと、
前記ハウジングに収容され、作動時に発熱すると共に、前記冷却風によって冷却される被冷却部と、
を備え、
前記被冷却部が、前記モータを冷却する前の空気と、前記モータを冷却したあとの空気の両方で冷却される作業機。 a housing having an inlet and an outlet;
a motor housed in the housing;
a fan that is housed in the housing and rotates when driven by the motor to generate cooling air inside the housing;
a cooled part that is housed in the housing, generates heat during operation, and is cooled by the cooling air;
with
A work machine in which the portion to be cooled is cooled by both the air before cooling the motor and the air after cooling the motor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020164694 | 2020-09-30 | ||
| PCT/JP2021/032424 WO2022070765A1 (en) | 2020-09-30 | 2021-09-03 | Work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022070765A1 JPWO2022070765A1 (en) | 2022-04-07 |
| JPWO2022070765A5 true JPWO2022070765A5 (en) | 2023-05-22 |
Family
ID=80950185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022553711A Pending JPWO2022070765A1 (en) | 2020-09-30 | 2021-09-03 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2022070765A1 (en) |
| WO (1) | WO2022070765A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2865080B1 (en) * | 2003-12-19 | 2006-04-28 | Telma | SIMPLE RADIAL ELECTROMAGNETIC RETARDER COMPRISING MEANS FOR PROVIDING A VENTILATION |
| JP2016068205A (en) * | 2014-09-30 | 2016-05-09 | 日立工機株式会社 | Electric power tool |
| WO2016067810A1 (en) * | 2014-10-31 | 2016-05-06 | 日立工機株式会社 | Electric work machine |
| JP2016124049A (en) * | 2014-12-26 | 2016-07-11 | 日立工機株式会社 | Manufacturing method for electric tool and control board |
| JP2018103318A (en) * | 2016-12-27 | 2018-07-05 | 日立工機株式会社 | Electric tool |
-
2021
- 2021-09-03 JP JP2022553711A patent/JPWO2022070765A1/ja active Pending
- 2021-09-03 WO PCT/JP2021/032424 patent/WO2022070765A1/en active Application Filing
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