JP7366703B2 - ブロワ - Google Patents
ブロワ Download PDFInfo
- Publication number
- JP7366703B2 JP7366703B2 JP2019207434A JP2019207434A JP7366703B2 JP 7366703 B2 JP7366703 B2 JP 7366703B2 JP 2019207434 A JP2019207434 A JP 2019207434A JP 2019207434 A JP2019207434 A JP 2019207434A JP 7366703 B2 JP7366703 B2 JP 7366703B2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- control board
- blower
- rotation speed
- mode
- 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
- 238000004891 communication Methods 0.000 description 42
- 238000001816 cooling Methods 0.000 description 19
- 238000007664 blowing Methods 0.000 description 16
- 230000005855 radiation Effects 0.000 description 15
- 238000009423 ventilation Methods 0.000 description 10
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
- A01G20/40—Apparatus for cleaning the lawn or grass surface
- A01G20/43—Apparatus for cleaning the lawn or grass surface for sweeping, collecting or disintegrating lawn debris
- A01G20/47—Vacuum or blower devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Description
図1から図8を参照して、第1実施例のブロワ2を説明する。ブロワ2は、手持ち式のブロワである。ブロワ2は、送風モードと吸引モードとを備えている。ブロワ2が送風モードで使用される場合、ブロワ2は、地面上の落ち葉等を吹き飛ばすことができる。ブロワ2が吸引モードで使用される場合、ブロワ2は、地面上の落ち葉等を吸引して収集することができる。以下では、モータ62の回転軸62aが延びる方向を左右方向と呼び、左右方向に直交する方向を前後方向と呼び、左右方向および前後方向に直交する方向を上下方向と呼ぶ。
モータ収容室52が「第1収容室」の一例であり、ファン収容室50が「第2収容室」の一例である。
図9を参照して、第2実施例を説明する。第2実施例では、第1実施例と異なる点を説明し、第1実施例と同様の点については説明を省略する。第2実施例では、制御基板66が実行する緩和モードM3が、第1実施例の緩和モードM2と異なる。図9に示すように、制御基板66が緩和モードM3にある場合、トリガ24の押し込み量によらず、モータ62の回転数が目標回転数R3で一定である。また、トリガ24が押し込まれていない場合でも、モータ62の回転数が目標回転数R3で一定である。このため、制御基板66が緩和モードM3にある場合、トリガ24の押し込み量によらず、遠心ファン70の回転数が一定となる。なお、目標回転数R3は、通常モードM1における最大回転数R1の例えば70%以下である。変形例では、目標回転数R3は、最大回転数R1の例えば50%以下である。
4 :ケーシング
6 :メインケーシング
8 :サイドケーシング
20 :吸気口
24 :トリガ
26 :クルーズバルブ
42 :主電源スイッチ
44 :表示部
50 :ファン収容室(第2収容室)
52 :モータ収容室(第1収容室)
54 :吸気口
58 :吐出口
59 :開口
62 :モータ
62a :回転軸
64 :モータハウジング
66 :制御基板
67 :金属板
68 :放熱フィン
70 :遠心ファン
72 :冷却ファン
78 :モータ吸気口
79 :モータ吐出口
82 :送風ノズル
84 :連通孔
92 :吸引ノズル
B :バッテリ
Claims (4)
- ブロワであって、
モータと、
前記モータの回転により回転軸を中心にして回転する遠心ファンと、
前記モータと前記遠心ファンとを収容しており、前記遠心ファンの回転に伴い吸気口から吐出口に空気を案内するケーシングと、
作業者によって押し込まれるトリガと、
前記モータの駆動を制御する制御基板と、を備えており、
前記制御基板は、前記トリガの押し込み量に応じて前記モータの回転数を調整する通常モードと、前記通常モードでの前記トリガの前記押し込み量が最大量である場合の前記モータの最大回転数よりも低い目標回転数に前記モータの回転数を調整する緩和モードと、を備え、
前記制御基板が前記緩和モードにある場合、前記トリガの前記押し込み量が前記最大量まで増加するとともに、前記モータの前記回転数が前記目標回転数まで徐々に増加する、ブロワ。 - 前記制御基板の前記通常モードと前記緩和モードとを切り替えるスイッチをさらに備えている、請求項1に記載のブロワ。
- 前記スイッチは、前記モータが駆動することを許容するオン状態と、前記モータが駆動することを禁止するオフ状態とを切り替える主電源スイッチであり、
前記スイッチが長押しされる場合、前記制御基板の前記通常モードと前記緩和モードとが切り替わる、請求項2に記載のブロワ。 - 前記制御基板が前記緩和モードにあることを表示可能な表示部をさらに備えている、請求項1から3のいずれか一項に記載のブロワ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019207434A JP7366703B2 (ja) | 2019-11-15 | 2019-11-15 | ブロワ |
DE102020006641.0A DE102020006641A1 (de) | 2019-11-15 | 2020-10-29 | Gebläse |
US17/085,664 US11326610B2 (en) | 2019-11-15 | 2020-10-30 | Blower |
CN202011214321.3A CN112813897B (zh) | 2019-11-15 | 2020-11-04 | 鼓风机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019207434A JP7366703B2 (ja) | 2019-11-15 | 2019-11-15 | ブロワ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021080849A JP2021080849A (ja) | 2021-05-27 |
JP7366703B2 true JP7366703B2 (ja) | 2023-10-23 |
Family
ID=75683435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019207434A Active JP7366703B2 (ja) | 2019-11-15 | 2019-11-15 | ブロワ |
Country Status (4)
Country | Link |
---|---|
US (1) | US11326610B2 (ja) |
JP (1) | JP7366703B2 (ja) |
CN (1) | CN112813897B (ja) |
DE (1) | DE102020006641A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7348748B2 (ja) * | 2019-05-27 | 2023-09-21 | 株式会社マキタ | ブロワ |
JP1655942S (ja) * | 2019-09-25 | 2020-03-30 | ||
SE1951487A1 (en) * | 2019-12-18 | 2021-06-19 | Husqvarna Ab | Debris blower |
JP7519926B2 (ja) * | 2021-01-22 | 2024-07-22 | 株式会社マキタ | 集じん機 |
EP4202229A1 (de) * | 2021-12-21 | 2023-06-28 | Andreas Stihl AG & Co. KG | Kühlluftführung an einem elektrischen blasgerät |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014148951A (ja) | 2013-02-01 | 2014-08-21 | Makita Corp | ブロワ |
WO2015176735A1 (en) | 2014-05-19 | 2015-11-26 | Husqvarna Ab | Blower with cruise control and boost function |
JP2016140575A (ja) | 2015-02-02 | 2016-08-08 | 株式会社マキタ | 流体装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000233383A (ja) * | 1999-02-12 | 2000-08-29 | Makita Corp | 電動工具のスイッチ機構 |
US6105206A (en) * | 1999-04-13 | 2000-08-22 | Department Of Water And Power City Of Los Angeles | Portable electrically powered blower apparatus |
JP2009091914A (ja) | 2007-10-04 | 2009-04-30 | Kioritz Corp | 吸引パイプ及び携帯型送風機 |
US7941894B1 (en) * | 2010-02-05 | 2011-05-17 | Tony Skorput | Golf course green debris removal device |
FR2973815B1 (fr) * | 2011-04-07 | 2014-08-29 | Pellenc Sa | Souffleur electroportatif autonome a vitesse de sortie d'air modulable |
SE539874C2 (en) * | 2016-05-04 | 2017-12-27 | Husqvarna Ab | Cruise control of portable garden or forestry tool |
-
2019
- 2019-11-15 JP JP2019207434A patent/JP7366703B2/ja active Active
-
2020
- 2020-10-29 DE DE102020006641.0A patent/DE102020006641A1/de active Pending
- 2020-10-30 US US17/085,664 patent/US11326610B2/en active Active
- 2020-11-04 CN CN202011214321.3A patent/CN112813897B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014148951A (ja) | 2013-02-01 | 2014-08-21 | Makita Corp | ブロワ |
WO2015176735A1 (en) | 2014-05-19 | 2015-11-26 | Husqvarna Ab | Blower with cruise control and boost function |
JP2016140575A (ja) | 2015-02-02 | 2016-08-08 | 株式会社マキタ | 流体装置 |
Also Published As
Publication number | Publication date |
---|---|
CN112813897B (zh) | 2024-06-25 |
DE102020006641A1 (de) | 2021-05-20 |
US11326610B2 (en) | 2022-05-10 |
US20210148372A1 (en) | 2021-05-20 |
JP2021080849A (ja) | 2021-05-27 |
CN112813897A (zh) | 2021-05-18 |
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