JP2842823B2 - Air flow generator - Google Patents
Air flow generatorInfo
- Publication number
- JP2842823B2 JP2842823B2 JP8012646A JP1264696A JP2842823B2 JP 2842823 B2 JP2842823 B2 JP 2842823B2 JP 8012646 A JP8012646 A JP 8012646A JP 1264696 A JP1264696 A JP 1264696A JP 2842823 B2 JP2842823 B2 JP 2842823B2
- Authority
- JP
- Japan
- Prior art keywords
- tooth profile
- fan
- center
- same
- blade
- 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.)
- Expired - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/022—Multi-stage pumps with concentric rows of vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、電子装置の冷却や
室内の換気等に使用する空気流発生装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air flow generator used for cooling an electronic device or for ventilating a room.
【０００２】[0002]
【従来の技術】電子装置の冷却や室内の換気等に使用す
る従来の空気流発生装置（ファンまたは換気扇）は、回
転中心に対して放射状に設けられて同一の方向に傾斜し
た複数枚の羽根を有するのみであり、上記の羽根を回転
させるためのモータを一定速度で回転させることによ
り、一定方向に一定風量の空気流を発生させることがで
きるのみである。2. Description of the Related Art A conventional air flow generator (fan or ventilating fan) used for cooling an electronic device or for ventilating a room is composed of a plurality of blades provided radially with respect to a center of rotation and inclined in the same direction. By rotating the motor for rotating the blade at a constant speed, it is only possible to generate an airflow with a constant airflow in a constant direction.
【０００３】[0003]
【発明が解決しようとする課題】上述したように、従来
の空気流発生装置は、回転中心に対して放射状に設けら
れて同一の方向に傾斜した複数枚の羽根を有するのみで
あるため、一定方向の一定風量の空気流を発生するのみ
であり、空気流の方向や風量を変えることができないと
いう欠点を有している。As described above, the conventional air flow generator has only a plurality of blades provided radially with respect to the center of rotation and inclined in the same direction. It has the drawback that it only generates an airflow with a constant airflow in the direction and cannot change the direction and airflow of the airflow.
【０００４】[0004]
【課題を解決するための手段】本発明の空気流発生装置
は、回転中心に対して放射状に設けられ同一の方向に傾
斜した複数枚の第一の羽根と、外周に設けた第一の歯形
とを有する内側ファンと、前記内側ファンの前記回転中
心と同一の回転中心を中心として回転し、その回転中心
に対して放射状に設けられ前記第一の羽根と反対方向に
傾斜した複数枚の第二の羽根と、内周に設けた前記第一
の歯形と同じ歯形の第二の歯形とを有する外側ファン
と、前記第一の歯形および前記第二の歯形に噛合う複数
個の小歯車と、前記内側ファンの回転運動を駆動するモ
ータとを備えたものであり、特に、小歯車の数を３個と
したものである。An air flow generator according to the present invention comprises a plurality of first blades provided radially with respect to the center of rotation and inclined in the same direction, and a first tooth profile provided on the outer periphery. And a plurality of second fans that rotate about the same rotation center as the rotation center of the inner fan and are provided radially with respect to the rotation center and inclined in a direction opposite to the first blade. Two blades, an outer fan having a second tooth profile having the same tooth profile as the first tooth profile provided on the inner periphery, and a plurality of small gears meshing with the first tooth profile and the second tooth profile. , And a motor for driving the rotation of the inner fan, and in particular, the number of the small gears is three.
【０００５】[0005]
【発明の実施の形態】次に、本発明の実施の形態につい
て図面を参照して説明する。Next, embodiments of the present invention will be described with reference to the drawings.
【０００６】図１は本発明の第一の実施形態を示す正面
図、図２は図１の実施形態の内側ファンおよび外側ファ
ンを示す斜視図、図３は図１の実施形態の内側ファンを
示す斜視図、図４は図１の実施形態の外側ファンを示す
斜視図である。FIG. 1 is a front view showing a first embodiment of the present invention, FIG. 2 is a perspective view showing an inside fan and an outside fan of the embodiment of FIG. 1, and FIG. 3 is a view showing the inside fan of the embodiment of FIG. FIG. 4 is a perspective view showing the outer fan of the embodiment of FIG.
【０００７】本実施形態は、図１および図２に示すよう
に、駆動軸６に固定されて回転する内側ファン１と、内
側ファン１の外側に設けられて、駆動軸６を回転中心と
して回転する外側ファン３と、内側ファン１の外周部に
設けてある歯形２および外側ファン３の内周部に設けて
ある歯形４と噛合う等間隔に配設した３個の小歯車５
と、駆動軸６を有し内側ファン１の回転運動を駆動する
モータ（図示省略）とを有している。内側ファン１およ
び外側ファン３および小歯車５は、フレーム７に収容さ
れている。As shown in FIG. 1 and FIG. 2, the present embodiment has an inner fan 1 fixed to a driving shaft 6 and rotating, and provided outside the inner fan 1 to rotate around the driving shaft 6 as a center of rotation. Outer fan 3 and three small gears 5 arranged at equal intervals meshing with a tooth profile 2 provided on an outer peripheral portion of the inner fan 1 and a tooth profile 4 provided on an inner peripheral portion of the outer fan 3.
And a motor (not shown) having a drive shaft 6 for driving the rotational movement of the inner fan 1. The inner fan 1, the outer fan 3, and the small gear 5 are housed in a frame 7.
【０００８】内側ファン１は、図３に示すように、回転
中心である駆動軸６に対して放射状に設けられ、同じ方
向（右上から左下）に傾斜した複数枚の羽根８と、外周
部に設けた歯形２とを有している。一方、外側ファン３
は、図４に示すように、回転中心に対して放射状に設け
られ、内側ファン１の羽根８の傾斜方向と反対方向（左
上から右下）に傾斜した複数枚の羽根９と、内周部に設
けた歯形４とを有している。歯形４は、内側ファン１の
歯形２と同じ歯形であり、また、内側ファン１の歯形２
と外側ファン３の歯形４とは、同心円上に配置されてい
る。As shown in FIG. 3, the inner fan 1 is provided radially with respect to the drive shaft 6 which is the center of rotation, and has a plurality of blades 8 inclined in the same direction (upper right to lower left). And the tooth profile 2 provided. Meanwhile, the outer fan 3
As shown in FIG. 4, a plurality of blades 9 are provided radially with respect to the center of rotation, and are inclined in a direction opposite to the direction of inclination of the blades 8 of the inner fan 1 (from the upper left to the lower right). And the tooth profile 4 provided in the first position. The tooth profile 4 has the same tooth profile as the tooth profile 2 of the inner fan 1, and the tooth profile 2 of the inner fan 1
The tooth profile 4 of the outer fan 3 is arranged on a concentric circle.
【０００９】上述のように構成した空気流発生装置は、
図１に示すように、モータを駆動することによって内側
ファン１を時計方向（矢印Ａ）に回転させると、小歯車
５が内側ファン１の周囲を転動しながら反時計方向（矢
印Ｃ）に回転するため、外側ファン３は、反時計方向
（矢印Ｂ）に回転する。従って内側ファン１によって発
生する空気流の外側ファン３によって発生する空気流と
は同じ方向となるが、内側ファン１による空気流の風速
と外側ファン３による空気流の風速とが同じでないた
め、複雑な空気流を得ることができる。The air flow generator configured as described above has
As shown in FIG. 1, when the inner fan 1 is rotated clockwise (arrow A) by driving the motor, the small gear 5 rolls around the inner fan 1 in the counterclockwise direction (arrow C). Due to the rotation, the outer fan 3 rotates counterclockwise (arrow B). Wind speed thus is ing the same direction as the air flow generated by the outer fan 3 air flow generated by the inner fan 1, air flow by the inner fan 1
And the wind speed of air flow that by the outside fan 3 and is not the same
Therefore , a complicated air flow can be obtained.
【００１０】図５は本発明の第二の実施形態の外側ファ
ンを示す斜視図である。FIG. 5 is a perspective view showing an outer fan according to a second embodiment of the present invention.
【００１１】本実施形態は、外側ファン１３の羽根１９
の傾斜方向を、図１の実施形態と外側ファン３の羽根９
の傾斜方向と反対方向としたものである。その他の部分
の構成は、図１の実施形態と同じである。In this embodiment, the blades 19 of the outer fan 13
The inclination direction of the blade 9 of the embodiment shown in FIG.
In the direction opposite to the inclination direction. Other configurations are the same as those of the embodiment of FIG.
【００１２】このように構成することにより、内側ファ
ン１によって発生する空気流と外側ファン１３によって
発生する空気流とは反対方向となるため、中心部と周辺
とが反対方向でしかも風速が異る複雑な空気流を得るこ
とができる。[0012] With this configuration, even wind speed only because such a direction opposite, and a central portion and a peripheral direction opposite to the air flow generated by the air flow and the outer fan 13 for generating by the inner fan 1 Different complex air flows can be obtained.
【００１３】上述の実施形態は、いずれも小歯車５の数
を３個としたものであるが、２個または４個以上とする
こともできる。In each of the above embodiments, the number of the small gears 5 is three. However, the number of the small gears 5 may be two or four or more.
【００１４】[0014]
【発明の効果】以上説明したように、本発明の空気流発
生装置は、回転中心に対して放射状に設けられ同一の方
向に傾斜した複数枚の第一の羽根および第一の羽根の外
周部に設けた第一の歯形とを有する内側ファンと、内側
ファンの回転中心と同一の回転中心を中心として回転し
その回転中心に対して放射状に設けられ複数枚の第二の
羽根および第二の羽根の内周部に設けた第一の歯形と同
じ歯形の第二の歯形とを有する外側ファンと、第一の歯
形および第二の歯形に噛合う複数個の小歯車とを設け、
内側ファンをモータによって駆動することにより、中心
部と周辺とが同一方向または反対方向でしかも風速が異
る複雑な空気流を得ることができるという効果がある。As described above, the airflow generating device of the present invention comprises a plurality of first blades provided radially with respect to the center of rotation and inclined in the same direction and the outer peripheral portion of the first blades. An inner fan having a first tooth profile provided on the inner fan, and a plurality of second blades and a second blade which are rotated around the same rotation center as the rotation center of the inner fan and are provided radially with respect to the rotation center. An outer fan having a first tooth profile provided on the inner peripheral portion of the blade and a second tooth profile having the same tooth profile, and a plurality of small gears meshing with the first tooth profile and the second tooth profile are provided.
By driving the inner fan by the motor, there is an effect that a complicated airflow in which the center portion and the periphery are in the same direction or the opposite direction and the wind speed is different can be obtained.
【図１】本発明の第一の実施形態を示す正面図である。FIG. 1 is a front view showing a first embodiment of the present invention.
【図２】図１の実施形態の内側ファンおよび外側ファン
を示す斜視図である。FIG. 2 is a perspective view showing an inner fan and an outer fan of the embodiment of FIG. 1;
【図３】図１の実施形態の内側ファンを示す斜視図であ
る。FIG. 3 is a perspective view showing the inside fan of the embodiment of FIG. 1;
【図４】図１の実施形態の外側ファンを示す斜視図であ
る。FIG. 4 is a perspective view showing an outer fan of the embodiment shown in FIG. 1;
【図５】図５の実施形態の外側ファンを示す斜視図であ
る。FIG. 5 is a perspective view showing the outer fan of the embodiment shown in FIG. 5;
【符号の説明】 １ 内側ファン ２・４・１４ 歯形 ３・１３ 外側ファン ５ 小歯車 ６ 駆動軸 ７ フレーム ８・９・１９ 羽根[Description of Signs] 1 Inside fan 2 ・ 4 ・ 14 Tooth profile 3 ・ 13 Outside fan 5 Small gear 6 Drive shaft 7 Frame 8.9 ・ 19 Blade
Claims (2)
の方向に傾斜した複数枚の第一の羽根と、前記第一の羽
根の外周部に設けた第一の歯形とを有する内側ファン
と、 前記内側ファンの前記回転中心と同一の回転中心を中心
として回転し、その回転中心に対して放射状に設けられ
前記第一の羽根の傾斜方向と反対方向に傾斜した複数枚
の第二の羽根と、前記第二の羽根の内周部に設けた前記
第一の歯形と同じ歯形の第二の歯形を有する外側ファン
と、 前記第一の歯形および前記第二の歯形に噛合う複数個の
小歯車と、 前記内側ファンの回転運動を駆動するモータとを備える
ことを特徴とする空気流発生装置。1. An inner fan having a plurality of first blades provided radially with respect to a rotation center and inclined in the same direction, and a first tooth profile provided on an outer peripheral portion of the first blade. A plurality of second blades that rotate about the same rotation center as the rotation center of the inner fan and are provided radially with respect to the rotation center and inclined in a direction opposite to the inclination direction of the first blade And an outer fan having a second tooth profile having the same tooth profile as the first tooth profile provided on an inner peripheral portion of the second blade, and a plurality of meshes meshing with the first tooth profile and the second tooth profile. An airflow generating device comprising: a small gear; and a motor for driving a rotational movement of the inner fan.
の方向に傾斜した複数枚の第一の羽根と、前記第一の羽
根の外周部に設けた第一の歯形とを有する内側ファン
と、 前記内側ファンの前記回転中心と同一の回転中心を中心
として回転し、その回転中心に対して放射状に設けられ
前記第一の羽根の傾斜方向と同じ方向に傾斜した複数枚
の第二の羽根と、前記第二の羽根の内周部に設けた前記
第一の歯形と同じ歯形の第二の歯形を有する外側ファン
と、 前記第一の歯形および前記第二の歯形に噛合う複数個の
小歯車と、 前記内側ファンの回転運動を駆動するモータと を備える
ことを特徴とする空気流発生装置。2. The apparatus is provided radially with respect to the center of rotation and is the same.
A plurality of first blades inclined in the direction of
Inner fan having a first tooth profile provided on the outer periphery of the root
If, around the rotational center the same center of rotation of said inner fan
Is rotated and provided radially with respect to the center of rotation.
A plurality of sheets inclined in the same direction as the inclination direction of the first blade
The second blade, the said provided on the inner peripheral portion of the second blade
Outer fan having a second tooth profile with the same tooth profile as the first tooth profile
And a plurality of gears meshing with the first tooth profile and the second tooth profile
And a small gear, air flow generator you; and a motor for driving the rotational movement of the inner fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8012646A JP2842823B2 (en) | 1996-01-29 | 1996-01-29 | Air flow generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8012646A JP2842823B2 (en) | 1996-01-29 | 1996-01-29 | Air flow generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09203392A JPH09203392A (en) | 1997-08-05 |
| JP2842823B2 true JP2842823B2 (en) | 1999-01-06 |
Family
ID=11811138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8012646A Expired - Fee Related JP2842823B2 (en) | 1996-01-29 | 1996-01-29 | Air flow generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2842823B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101388483B1 (en) * | 2013-01-29 | 2014-04-23 | 여신동 | Ventilation fan integrated with intake and exhaust air |
| CN106368963B (en) * | 2016-10-24 | 2018-10-02 | 浙江理工大学 | A kind of combined hand fan |
| CN106382241B (en) * | 2016-12-05 | 2018-11-23 | 山东英才学院 | A kind of hollow shaft force(d) (draft) fan |
| CN108953176A (en) * | 2018-08-30 | 2018-12-07 | 珠海格力电器股份有限公司 | Axial flow air supply device, fan, air conditioner and air supply control method |
-
1996
- 1996-01-29 JP JP8012646A patent/JP2842823B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09203392A (en) | 1997-08-05 |
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