JPS6310319B2 - - Google Patents
Info
- Publication number
- JPS6310319B2 JPS6310319B2 JP13340783A JP13340783A JPS6310319B2 JP S6310319 B2 JPS6310319 B2 JP S6310319B2 JP 13340783 A JP13340783 A JP 13340783A JP 13340783 A JP13340783 A JP 13340783A JP S6310319 B2 JPS6310319 B2 JP S6310319B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge port
- damper
- air
- blower
- tongue
- 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
Links
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は空調機器等で空気を送気する送風機に
おいて、特に空気の吐出方向等を変更させること
のできる多翼送風機に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a blower for blowing air in an air conditioner or the like, and particularly to a multi-blade blower that can change the direction of air discharge.
従来例の構成とその問題点
従来、多翼送風機において、送風機からの空気
の吐出方向等を変更させるには、次の方法が一般
的であつた。Conventional Structure and Problems Conventionally, in a multi-blade blower, the following method has been common for changing the direction of air discharge from the blower.
すなわち、第１図に示すように、渦巻状のケー
シング１内に多翼型の羽根車２を配して送風機Ａ
を構成し、羽根車２駆動用電動機３を駆動させる
ことにより羽根車２を回転させ、ケーシング１正
面に設けた給気口４から空気を吸引するととも
に、羽根車２下流のケーシング２側面に第１の吐
出口５と、後面に第２の吐出口６とを、ダンパー
７によつて交互に開閉できるように設け、ダンパ
ー７を操作することで、空気の吐出方向を変更さ
せていた。 That is, as shown in FIG. 1, a multi-blade impeller 2 is arranged inside a spiral casing 1,
The impeller 2 is rotated by driving the electric motor 3 for driving the impeller 2, and air is sucked from the air supply port 4 provided on the front of the casing 1. A first discharge port 5 and a second discharge port 6 on the rear surface are provided so that they can be alternately opened and closed by a damper 7, and by operating the damper 7, the direction of air discharge is changed.
しかしながら、多翼送風機は第１図に示す構成
では第１の吐出口５から吐出する構成が最も効果
であるが、第１の吐出口５を閉止し、第２の吐出
口６から吐出する場合、羽根車２からの空気流が
ダンパー７に激しく衝突した後、第２の吐出口６
へ転流するため著るしく送風機性能を低下させて
いた。また、空気流の方向も給気口４から第１の
吐出口５もしくは第２の吐出口６方向への流れに
限定されていた。なお、第１図中、実線矢印は空
気の流れを示す。 However, in the configuration of the multi-blade blower shown in FIG. 1, it is most effective to discharge from the first discharge port 5, but when the first discharge port 5 is closed and the discharge is discharged from the second discharge port 6. , after the airflow from the impeller 2 violently collides with the damper 7, the second discharge port 6
This caused a significant drop in blower performance. Further, the direction of the air flow is also limited to the direction from the air supply port 4 to the first discharge port 5 or the second discharge port 6 direction. In addition, in FIG. 1, solid line arrows indicate air flow.
発明の目的
本発明は送風機からの吐出方向を効果的に変更
するとともに、給気方向をも変更可能にした送風
機の提供を目的としたものである。OBJECTS OF THE INVENTION The present invention aims to provide a blower that can effectively change the direction of air discharge from the blower and also change the direction of air supply.
発明の構成
この目的を達成するため本発明は、第１の吐出
口と第２の吐出口を１枚のダンパーで開閉し、固
定された第１の舌部の下流に第１の吐出口を位置
させるとともに、前記ダンパー先端を第２の舌部
とし、第２の舌部が、ダンパーの開閉に応じて移
動可能とし、さらに第１の吐出口部に逆風弁を配
して構成したものである。Structure of the Invention In order to achieve this object, the present invention opens and closes the first discharge port and the second discharge port with a single damper, and the first discharge port is located downstream of the fixed first tongue. In addition, the tip of the damper is a second tongue, the second tongue is movable according to opening and closing of the damper, and a backflow valve is arranged at the first discharge port. be.
以上のように構成すれば、羽根車に対して第２
の舌部を移動させることによつて吐出方向を効果
的に変更することができるとともに、送風機内部
の流れ方向をも変化させることができる。 With the above configuration, the second
By moving the tongue of the blower, the discharge direction can be effectively changed, and the flow direction inside the blower can also be changed.
実施例の説明
以下、本発明の実施例を第２図〜第５図に示
す。DESCRIPTION OF EMBODIMENTS Examples of the present invention are shown in FIGS. 2 to 5 below.
第２図は渦巻型のケーシング１１内に多翼型の
羽根車１２を配して送風機Ｂを構成し、羽根車１
２とケーシング１１と近接する部分にケーシング
１１の一部を構成する固定された第１の舌部１３
を設け、その下流に第１の吐出口１４を設けてい
る。一方、渦巻ケーシング１１の側面に第２の吐
出口１５を設けるとともに、両吐出口１４，１５
は、回転軸１６を中心に回転するダンパー１７に
よつて交互に開閉可能な構成としている。さら
に、ダンパー１７の先端には、ダンパー１７の回
転とともに移動可能な第２の舌部１８を設けてい
る。第３図はダンパー１７によつて第２の吐出口
１５を閉止した場合、第４図は第１の吐出口１４
を閉止した場合について示す。また、第５図は第
１の吐出口１４外部に自重により吐出口１４を閉
止する逆風弁２１を配し、特に第１の吐出口１４
から送風機Ｂ内への空気の流れを阻止すべく構成
したものである。なお、第２図〜第５図で、同一
番号は同一部分を示し、１９は羽根車１２正面の
ケーシング１１正面に設けた給気口、２０は羽根
車を駆動する電動機を示す。さらに一点鎖線矢印
は給気口１９から吸引された空気の流れを示し、
実線矢印は第１の吐出口１４から吸引された空気
の流れを示す。 FIG. 2 shows a blower B configured by arranging a multi-blade impeller 12 inside a spiral casing 11.
2 and a first tongue portion 13 fixed to a portion adjacent to the casing 11 and forming a part of the casing 11.
is provided, and a first discharge port 14 is provided downstream thereof. On the other hand, a second discharge port 15 is provided on the side surface of the spiral casing 11, and both discharge ports 14, 15 are provided.
is configured to be able to be opened and closed alternately by a damper 17 that rotates around a rotating shaft 16. Furthermore, a second tongue portion 18 is provided at the tip of the damper 17 and is movable as the damper 17 rotates. 3 shows the case where the second discharge port 15 is closed by the damper 17, and FIG. 4 shows the case where the second discharge port 15 is closed by the damper 17.
The case where the is closed is shown below. Further, in FIG. 5, a back wind valve 21 is disposed outside the first discharge port 14 to close the discharge port 14 by its own weight, and in particular, the first discharge port 14 is
This structure is designed to prevent air from flowing into the blower B. Note that in FIGS. 2 to 5, the same numbers indicate the same parts, 19 indicates an air supply port provided in the front of the casing 11 in front of the impeller 12, and 20 indicates an electric motor that drives the impeller. Furthermore, the dashed-dotted line arrow indicates the flow of air sucked from the air supply port 19,
Solid arrows indicate the flow of air sucked from the first discharge port 14.
次に本構成による作用について示す。まず、第
３図に示すように、ダンパー１７で第２の吐出口
１５を閉止することによつて給気口１９から吸引
された空気流は第１の吐出口１４より吐出され
る。次に第４図に示すように、ダンパー１７で第
１の吐出口１４を閉止することによつて給気口１
９から吸引された空気流は第２の吐出口１５より
吐出される。しかしながら、第２図に示すよう
に、ダンパー１７先端を第２の舌部１８として構
成し、ダンパー１７の回転とともに羽根車１２外
周に対する第２の舌部１８の位置を移動させるこ
とによつて、第１の吐出口１４から送風機Ｂ内に
吸引される空気流（実線矢印で示す）が発生す
る。すなわち、第２の吐出口１５から吐出される
空気流は、給気口１９および第１の吐出口１４か
ら吸引された空気流が合流したものとなり、第２
の吐出口１５からの空気量を大幅に増加させるこ
とができる特徴がある。 Next, the effects of this configuration will be described. First, as shown in FIG. 3, by closing the second discharge port 15 with the damper 17, the air flow sucked from the air supply port 19 is discharged from the first discharge port 14. Next, as shown in FIG. 4, by closing the first discharge port 14 with the damper 17, the air supply port
The airflow sucked from the air outlet 9 is discharged from the second discharge port 15 . However, as shown in FIG. 2, by configuring the tip of the damper 17 as a second tongue 18 and moving the position of the second tongue 18 with respect to the outer circumference of the impeller 12 as the damper 17 rotates, An air flow (indicated by a solid arrow) is generated from the first discharge port 14 into the blower B. That is, the airflow discharged from the second discharge port 15 is a combination of the airflow sucked from the air supply port 19 and the first discharge port 14, and
It has the feature that the amount of air from the discharge port 15 can be significantly increased.
さらに、第５図に示すように、第１の吐出口１
４外方に、自重で第１の吐出口１４を閉止する逆
風弁２１を設けることにより、第１の吐出口１４
からの吸引空気流を阻止することが可能であり、
この場合においては、第４図に示すように、第１
の吐出口１４をダンパー１７で閉止する構成にく
らべて第２の吐出口１５から吐出される空気量を
大幅に増加させることができる特徴がある。 Furthermore, as shown in FIG.
4. By providing a back wind valve 21 on the outside that closes the first discharge port 14 by its own weight, the first discharge port 14
It is possible to block the suction air flow from
In this case, as shown in FIG.
This configuration has the feature that the amount of air discharged from the second discharge port 15 can be significantly increased compared to a configuration in which the second discharge port 14 is closed by a damper 17.
発明の効果
本発明によれば、固定された第１の舌部に加え
て移動可能な第２の舌部を設けることで、二つの
吐出口からの吐出空気量をダンパーで切替える場
合、送風機内部の抵抗を極めて小さく、すなわ
ち、送風機性能を充分発揮すべく効果的に切替え
ることができるものである。Effects of the Invention According to the present invention, by providing a movable second tongue in addition to the fixed first tongue, when switching the amount of air discharged from two discharge ports with a damper, In other words, the resistance can be made extremely small, that is, it can be effectively switched to fully exhibit the blower performance.
さらに第１の吐出口部の空気の流れ方向を反転
させることができるとともに、第１の吐出口から
の吸引空気も第２の吐出口からの吐出空気流に合
流するため、吐出空気量を大幅に増加させること
ができるものである。 Furthermore, the flow direction of the air at the first discharge port can be reversed, and the suction air from the first discharge port also joins the discharge air flow from the second discharge port, so the amount of discharged air can be greatly increased. This is something that can be increased to
第１図は従来の多翼型送風機の断面図、第２図
ａは本発明の一実施例である多翼型送風機の側面
断面図、第２図ｂは同平面断面図、第３図ａは同
ダンパーが吐出口を閉止した状態を示す側面断面
図。第３図ｂは同平面断面図、第４図ａは同ダン
パーが吐出口を開成した状態を示す側面断面図。
第４図ｂは同平面断面図、第５図ａは本発明の他
の実施例を示す側面断面図、第５図ｂは同平面断
面図である。
Ｂ……送風機、１３……第１の舌部、１４……
第１の吐出口、１５……第２の吐出口、１７……
ダンパー、１８……第２の舌部、１９……給気
口、２１……送風弁。
Fig. 1 is a sectional view of a conventional multi-blade blower, Fig. 2a is a side sectional view of a multi-blade blower according to an embodiment of the present invention, Fig. 2b is a sectional view of the plane, and Fig. 3a is a side cross-sectional view showing a state in which the damper closes the discharge port. FIG. 3b is a sectional view of the same plane, and FIG. 4a is a side sectional view showing the damper in a state where the discharge port is opened.
FIG. 4b is a sectional view of the same plane, FIG. 5a is a side sectional view showing another embodiment of the present invention, and FIG. 5b is a sectional view of the same plane. B...Blower, 13...First tongue, 14...
First discharge port, 15...Second discharge port, 17...
Damper, 18... second tongue, 19... air supply port, 21... ventilation valve.
Claims (1)
ーで開閉し、固定された第１の舌部の下流に第１
の吐出口を位置させるとともに、前記ダンパーの
先端を第２の舌部とし、第２の舌部がダンパーの
開閉に応じて移動可能とした多翼送風機。 ２ 第１の吐出口に送風弁を設けた特許請求の範
囲第１項記載の多翼送風機。[Claims] 1. The first discharge port and the second discharge port are opened and closed by a single damper, and a first tongue is provided downstream of the fixed first tongue.
A multi-blade blower in which a discharge port of the damper is located, and a tip of the damper is a second tongue, and the second tongue is movable according to opening and closing of the damper. 2. The multi-blade blower according to claim 1, wherein a blower valve is provided at the first discharge port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13340783A JPS6026199A (en) | 1983-07-20 | 1983-07-20 | Multi-vane fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13340783A JPS6026199A (en) | 1983-07-20 | 1983-07-20 | Multi-vane fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6026199A JPS6026199A (en) | 1985-02-09 |
| JPS6310319B2 true JPS6310319B2 (en) | 1988-03-05 |
Family
ID=15104034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13340783A Granted JPS6026199A (en) | 1983-07-20 | 1983-07-20 | Multi-vane fan |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6026199A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1216152B (en) * | 1988-03-18 | 1990-02-22 | Merloni Elettrodomestici Spa | HYDRAULIC PUMP, PARTICULARLY FOR DISHWASHER OR SIMILAR. |
| JP2005330905A (en) * | 2004-05-20 | 2005-12-02 | Daikin Ind Ltd | Cross-flow fan |
| KR100948574B1 (en) | 2007-04-04 | 2010-03-18 | 웅진코웨이주식회사 | Blower having Variable Discharge Path |
| JP4731575B2 (en) | 2008-01-22 | 2011-07-27 | シャープ株式会社 | Cooker |
| JP6426381B2 (en) * | 2014-06-30 | 2018-11-21 | ヤマト科学株式会社 | Airflow switching oven |
| JP7199390B2 (en) * | 2020-02-19 | 2023-01-05 | 三菱電機株式会社 | Blowers, heat exchangers, ventilation fans and air conditioners |
-
1983
- 1983-07-20 JP JP13340783A patent/JPS6026199A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6026199A (en) | 1985-02-09 |
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