JP2008002441A - 軸流送風機 - Google Patents
軸流送風機 Download PDFInfo
- Publication number
- JP2008002441A JP2008002441A JP2006175532A JP2006175532A JP2008002441A JP 2008002441 A JP2008002441 A JP 2008002441A JP 2006175532 A JP2006175532 A JP 2006175532A JP 2006175532 A JP2006175532 A JP 2006175532A JP 2008002441 A JP2008002441 A JP 2008002441A
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- chord
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Links
- 238000005452 bending Methods 0.000 claims abstract description 16
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000005422 blasting Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012887 quadratic function Methods 0.000 description 1
- 239000007787 solid Substances 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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】モータにより回転駆動されるボス部2と、前記ボス部2に放射状に取付けられ回転軸3方向に送風する複数の回転翼1と、を備える軸流送風機において、前記回転翼1の、前記ボス部2から径方向中間部の屈曲点Pwまでの第1領域における翼弦中心線Pr1を、0°より大きい一定の第1前傾角δzwで上流側へ傾斜させ、前記屈曲点Pwから翼外周部までの第2領域における翼弦中心線Pr1を、前記第1前傾角δzwよりもさらに上流側に傾斜させ、かつ、前記翼外周部における翼弦中心線Pr1の接線15の前傾角δzsを30°〜45°の範囲内とする。
【選択図】 図5
Description
図1は、軸流送風機の翼車を示す斜視図であり、図2は、翼車を回転軸3に直交する平面Scに投影した平面投影図であり、図3は、図2におけるボス部翼弦線中心点Pb´から外周部翼弦線中心点Pt´までの各翼弦線中心点の軌跡、すなわち翼弦線中心点Pb´−Pr´−Pt´について、任意の半径Rにおける各翼弦線中心点Pr´を、回転軸3と0X軸とを含む垂直平面に半径Rで回転投影した各翼弦線中心点Prの軌跡を示す図であり、図4は、本発明の実施の形態の各翼弦線中心点Pr2の軌跡を示す図3と同様の図であり、図5は、実施の形態の各翼弦線中心点Pr2の軌跡の定義方法を示す図4と同様の図であり、図6は、実施の形態の翼車の流量係数φと比騒音KT、流量係数φとファン効率ηSとの関係を実験的に求めた結果を示す図である。
δzw=tan-1(Ls/(R−Rb))
(Rb<R≦Rw)
δzd=α(R−Rb)n+δzw
α=(δzt−δzw)/(Rt−Rw)n
(Rw<R≦Rt)
なお、上記の傾斜角δzdを半径Rのn次関数(1≦n)とせずに、第2領域における翼弦中心線Pr1を、一定の前傾角で直線状に上流側に傾斜させるようにしてもよい。
φ=Q/((π2/4)D3・(1−ν2)N)
KT=SPLA−10Log(Q・PT 2.5)
ηT=(PT・Q)/(60PW)
Q :風量[m3/min]
PT :全圧[Pa]
SPLA :騒音特性(A補正)[dB(A)]
D :軸流送風機外径[m]
ν :ボス比(=ボス部外径/軸流送風機外径)
N :回転数[rpm]
PW :軸動力[W]
1´ 回転軸に直交する面に投影した回転翼
1b´ 翼前縁部
1c´ 翼後縁部
1d´ 翼外周部
2 ボス部
3 回転軸
4 回転方向
A 気流の方向
Pb,Pb´ ボス部の翼弦線中心点
Pt,Pt´ 翼外周部の翼弦線中心点
Pr,Pr´ 翼弦線中心点の軌跡(翼弦中心線)
Pr1 本発明の実施の形態の翼弦線中心点の軌跡(翼弦中心線)
Pr2 本発明の実施の形態の翼弦線中心点
Pw 一定の前傾角を変化させる起点となる屈曲点
Sc ボス部の翼弦線中心点を通り回転軸に直交する平面
H 翼外周部の翼弦線中心点Ptの0X軸からの距離
15 翼外周部の翼弦線中心点Ptにおける翼弦中心線の接線
δz 回転翼の前傾角
δzw 屈曲点Pwより内側の第1領域の一定の前傾角(第1前傾角)
δzt ボス部の翼弦線中心点Pbと翼外周部の翼弦線中心点Ptとを結ぶ線の傾斜角(第2前傾角)
δzd 屈曲点Pwより外側の第2領域における任意の半径Rでの翼弦線中心点Pr2とボス部の翼弦線中心点Pbとを結ぶ線の上流側への傾斜角
δzs 翼外周部の翼弦線中心点Ptにおける翼弦中心線Pr1の接線15の前傾角
Claims (3)
- モータにより回転駆動されるボス部と、前記ボス部に放射状に取付けられ回転軸方向に送風する複数の回転翼と、を備える軸流送風機において、
前記回転翼の、前記ボス部から径方向中間部の屈曲点までの第1領域における翼弦中心線を、0°より大きい一定の第1前傾角で上流側へ傾斜させ、前記屈曲点から翼外周部までの第2領域における翼弦中心線を、前記第1前傾角よりもさらに上流側に傾斜させ、かつ、前記翼外周部における翼弦中心線の接線の前傾角を30°〜45°の範囲内とすることを特徴とする軸流送風機。 - 前記ボス部における翼弦線中心点と前記第2領域における翼弦線中心点とを結ぶ線の上流側への傾斜角が、前記第2領域における翼弦線中心点の半径のn次関数(1≦n)となっていることを特徴とする請求項1に記載の軸流送風機。
- 前記第2領域における翼弦中心線を一定の前傾角で上流側へ傾斜させたことを特徴とする請求項1に記載の軸流送風機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006175532A JP4680840B2 (ja) | 2006-06-26 | 2006-06-26 | 軸流送風機 |
TW096117583A TW200809091A (en) | 2006-06-26 | 2007-05-17 | Axial blower |
KR1020070060355A KR100858395B1 (ko) | 2006-06-26 | 2007-06-20 | 축류 송풍기 |
CNA2007101120871A CN101096965A (zh) | 2006-06-26 | 2007-06-22 | 轴流送风机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006175532A JP4680840B2 (ja) | 2006-06-26 | 2006-06-26 | 軸流送風機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008002441A true JP2008002441A (ja) | 2008-01-10 |
JP4680840B2 JP4680840B2 (ja) | 2011-05-11 |
Family
ID=39007018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006175532A Active JP4680840B2 (ja) | 2006-06-26 | 2006-06-26 | 軸流送風機 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4680840B2 (ja) |
KR (1) | KR100858395B1 (ja) |
CN (1) | CN101096965A (ja) |
TW (1) | TW200809091A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114688049A (zh) * | 2020-12-25 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | 风机组件和空调器 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5649608B2 (ja) * | 2012-03-30 | 2015-01-07 | 三菱電機株式会社 | 軸流送風機 |
CN104632679B (zh) * | 2015-01-13 | 2016-08-24 | 西安交通大学 | 对旋风机工况自适应变转速匹配方法 |
CN108138787B (zh) | 2015-10-07 | 2019-12-06 | 美蓓亚三美株式会社 | 叶轮及包括该叶轮的轴流风扇 |
WO2017077564A1 (ja) * | 2015-11-02 | 2017-05-11 | 三菱電機株式会社 | 軸流ファン、及び、その軸流ファンを有する空気調和装置 |
WO2017216937A1 (ja) | 2016-06-16 | 2017-12-21 | 三菱電機株式会社 | 翼車及び軸流送風機 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03203994A (ja) * | 1989-12-28 | 1991-09-05 | Nippon Steel Chem Co Ltd | 潤滑用油の製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2730344B2 (ja) * | 1991-09-19 | 1998-03-25 | 三菱電機株式会社 | 送風機の羽根車 |
JP3203994B2 (ja) * | 1994-10-31 | 2001-09-04 | 三菱電機株式会社 | 軸流送風機 |
JP2002048094A (ja) | 2000-08-07 | 2002-02-15 | Komatsu Ltd | ファン |
JP4737579B2 (ja) | 2001-04-19 | 2011-08-03 | 株式会社Ihi | 圧縮機翼 |
-
2006
- 2006-06-26 JP JP2006175532A patent/JP4680840B2/ja active Active
-
2007
- 2007-05-17 TW TW096117583A patent/TW200809091A/zh unknown
- 2007-06-20 KR KR1020070060355A patent/KR100858395B1/ko active IP Right Grant
- 2007-06-22 CN CNA2007101120871A patent/CN101096965A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03203994A (ja) * | 1989-12-28 | 1991-09-05 | Nippon Steel Chem Co Ltd | 潤滑用油の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114688049A (zh) * | 2020-12-25 | 2022-07-01 | 广东美的白色家电技术创新中心有限公司 | 风机组件和空调器 |
CN114688049B (zh) * | 2020-12-25 | 2024-02-20 | 广东美的白色家电技术创新中心有限公司 | 风机组件和空调器 |
Also Published As
Publication number | Publication date |
---|---|
KR20070122376A (ko) | 2007-12-31 |
TW200809091A (en) | 2008-02-16 |
KR100858395B1 (ko) | 2008-09-11 |
CN101096965A (zh) | 2008-01-02 |
JP4680840B2 (ja) | 2011-05-11 |
TWI335384B (ja) | 2011-01-01 |
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