JPH07332718A - Ventilation - Google Patents
VentilationInfo
- Publication number
- JPH07332718A JPH07332718A JP12229194A JP12229194A JPH07332718A JP H07332718 A JPH07332718 A JP H07332718A JP 12229194 A JP12229194 A JP 12229194A JP 12229194 A JP12229194 A JP 12229194A JP H07332718 A JPH07332718 A JP H07332718A
- Authority
- JP
- Japan
- Prior art keywords
- blower
- air
- air volume
- ventilation
- sensor
- 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.)
- Pending
Links
Landscapes
- Ventilation (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、住宅や事務所等に使用
される換気装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator used in houses and offices.
【０００２】[0002]
【従来の技術】従来の換気装置にあっては、特開平1-23
0944号公報記載の発明のように、屋外の風の影響による
換気風量の低下を防止するために、外風の影響が強いと
きに開口部の面積を小さくできるようにしたものがあ
る。2. Description of the Related Art Japanese Patent Application Laid-Open No. 1-23
As disclosed in the invention described in Japanese Patent No. 0944, in order to prevent a decrease in ventilation air volume due to the influence of the outdoor wind, there is one in which the area of the opening can be reduced when the influence of the external wind is strong.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上述の公報
記載の換気装置では、開口部の面積を小さくすると、換
気装置の圧力損失が増加して、送風機の送風能力を大き
なものにしなければならない。However, in the ventilator disclosed in the above publication, when the area of the opening is reduced, the pressure loss of the ventilator is increased, and the blower capacity of the blower must be increased.
【０００４】本発明は、上述の事情を考慮してなされた
ものであり、外風の影響に対して送風機の送風量をそれ
ほど変更させることなく、所定量の換気風量を確保でき
る換気装置を提供することを目的とする。The present invention has been made in consideration of the above circumstances, and provides a ventilation device capable of ensuring a predetermined amount of ventilation air without significantly changing the amount of air blown by a blower against the influence of outside wind. The purpose is to do.
【０００５】[0005]
【課題を解決するための手段】請求項１に記載の本発明
は、送風機により室内の空気を室外へ排出する換気装置
において、排気口を備えた排気ダクトが送風機本体に対
して位置変更自在に設けられて上記排気口の向きを調整
可能とする送風機と、排気ダクトに設置されて換気風量
を検出する風量センサと、上記風量センサの検出値に基
づいて上記送風機の送風量を制御する制御装置と、を有
し、上記制御装置は、上記風量センサにより所定時間内
に複数回検出される換気風量の低下の平均値に基づいて
上記送風機の送風量を変動させるものであることを特徴
とするものである。According to the present invention as set forth in claim 1, in a ventilator for exhausting indoor air to the outside by means of a blower, an exhaust duct having an exhaust port can freely change its position with respect to the blower main body. A blower provided to adjust the direction of the exhaust port, an air volume sensor installed in the exhaust duct to detect the ventilation air volume, and a control device to control the air volume of the blower based on the detection value of the air volume sensor. And the control device is characterized in that the air flow rate of the blower is varied based on an average value of a decrease in ventilation air flow detected a plurality of times by the air flow sensor within a predetermined time. It is a thing.
【０００６】請求項２に記載の本発明は、送風機により
室内の空気を室外へ排出する換気装置において、排気口
を備えた排気ダクトが送風機本体に対して複数設けら
れ、各排気ダクトへ選択的に送風可能とする送風機と、
外風の方向を検出する風向きセンサと、排気ダクトに設
置されて換気風量を検出する風量センサと、上記風量セ
ンサの検出値に基づいて上記送風機の送風量を制御する
制御装置と、を有し、上記制御装置は、上記風向きセン
サの検出値に基づいて、上記外風に対し順方向となる排
気口を備えた排気ダクトへ送風させると共に、上記風量
センサにより所定時間内に複数回検出される換気風量の
低下の平均値に基づいて上記送風機の送風量を変動させ
るものであることを特徴とするものである。According to a second aspect of the present invention, in a ventilation device for exhausting indoor air to the outside by a blower, a plurality of exhaust ducts having exhaust ports are provided for the blower main body, and each exhaust duct is selective. A blower that can blow air to
A wind direction sensor that detects the direction of the outside air, an air flow sensor that is installed in the exhaust duct to detect the ventilation air flow rate, and a control device that controls the air flow rate of the blower based on the detection value of the air flow rate sensor. The control device blows air to an exhaust duct having an exhaust port that is in the forward direction with respect to the outside wind based on the detection value of the wind direction sensor, and is detected a plurality of times within a predetermined time by the air flow sensor. The air blow rate of the blower is changed based on the average value of the reduction in the ventilation air rate.
【０００７】[0007]
【作用】従って、請求項１に記載の発明に係る換気装置
によれば、送風機の排気ダクトが送風機本体に対し、排
気口の方向を変更しうるよう構成されたので、排気口を
外風の影響に対し略順方向となる方向に方向変換するこ
とができる。また、風量センサにて換気風量が所定時間
内に複数回検出され、換気装置は、この所定時間内にお
ける換気風量の低下の平均値に基づいて送風機の風量を
制御するので、換気風量の低下を補う送風機の送風量の
変動を小さく設定できる。Therefore, according to the ventilator of the present invention, the exhaust duct of the blower is constructed so that the direction of the exhaust port can be changed with respect to the main body of the blower. The direction can be changed to a direction that is a substantially forward direction with respect to the influence. In addition, the ventilation air volume is detected multiple times within the predetermined time by the air volume sensor, and the ventilation device controls the air volume of the blower based on the average value of the decrease in the ventilation air volume within the predetermined time. It is possible to set small fluctuations in the amount of air blown by the supplementary blower.
【０００８】上述のように、送風機の換気口を外風に対
し略順方向に変更でき、且つ、所定時間内における換気
風量の低下の平均値に基づいて送風機の送風量が制御さ
れるので、外風の影響に対し送風機の送風量をそれほど
変更させることなく所定量の換気風量を確保できる。As described above, since the ventilation port of the blower can be changed substantially in the forward direction with respect to the outside air, and the ventilation amount of the blower is controlled based on the average value of the reduction of the ventilation air amount within the predetermined time, It is possible to secure a predetermined amount of ventilation air without changing the amount of air blown by the blower to the effect of outside air.
【０００９】更に、請求項２に記載の発明によれば、送
風機には、それぞれに排気口を備えた排気ダクトが複数
設けられ、制御装置が、風向センサからの検出値に基づ
いて、外風に対し順方向となる排気口へ送風させるよう
構成されたので、外風の影響に対し送風機の送風量をそ
れほど変更させることなく、所定の換気風量を確保でき
る。Further, according to the second aspect of the present invention, the blower is provided with a plurality of exhaust ducts each having an exhaust port, and the control device controls the outside wind based on the detected value from the wind direction sensor. In contrast, since the air is blown to the exhaust port in the forward direction, a predetermined ventilation air volume can be secured without changing the air flow rate of the blower so much with respect to the influence of outside air.
【００１０】[0010]
【実施例】以下、本発明の実施例を、図面に基づいて説
明する。図１は、本発明に係る換気装置の一実施例を示
すブロック図である。図２は、図１の送風機の排気ダク
トを示す側面図である。図３は、換気風量の変化を示す
グラフである。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a ventilation device according to the present invention. FIG. 2 is a side view showing an exhaust duct of the blower of FIG. 1. FIG. 3 is a graph showing changes in ventilation air volume.
【００１１】図１に示す換気装置１０は送風機１１、制
御部１２及び駆動部１３並びに風量センサ１４及び風向
センサ１５を有して構成される。The ventilation device 10 shown in FIG. 1 comprises a blower 11, a control unit 12, a drive unit 13, an air flow sensor 14 and an air flow direction sensor 15.
【００１２】送風機１１は、送風機本体１６内に、モー
タにて回転されるファン（共に図示せず）が収納され
る。この送風機本体１６に、排気口１７を備えた排気ダ
クト１８が位置変更可能に設定される。例えば、この排
気ダクト１８は、その軸廻りに送風機本体１６に対し４
方向変更可能に設けられる。この位置変更は、上記駆動
部１３の駆動によって実施可能とされる。The blower 11 has a fan body 16 in which a fan (both not shown) rotated by a motor is housed. An exhaust duct 18 having an exhaust port 17 is set in the blower main body 16 so that the position of the exhaust duct 18 can be changed. For example, the exhaust duct 18 is installed around the axis of the blower main body 16 by 4
The direction is changeable. This position change can be performed by driving the drive unit 13.
【００１３】風向センサ１５は、外風（屋外の風）方向
Ｗを検出し、制御装置１２へ出力する。また、送風機本
体１６は、送風機１１の排気ダクト１８内に配置され
て、送風機１１による換気風量を検出し、この検出値を
制御装置１２へ出力する。The wind direction sensor 15 detects an outside wind (outdoor wind) direction W and outputs it to the controller 12. Further, the blower main body 16 is arranged in the exhaust duct 18 of the blower 11, detects the ventilation air volume by the blower 11, and outputs the detected value to the control device 12.
【００１４】制御装置１２は、風向センサ１５にて検出
された外風の方向Ｗに対し、排気ダクト１８の排気口１
７が順方向（図２における実線表示の方向）になるよう
に駆動部１３を制御して、排気ダクト１８を回動させ
る。これにより、排気口１７から排出される換気風の方
向ｗが外風の方向Ｗと略同一方向になるよう設定され
る。The control device 12 controls the exhaust port 1 of the exhaust duct 18 with respect to the direction W of the outside wind detected by the wind direction sensor 15.
The drive unit 13 is controlled so that the direction 7 is in the forward direction (the direction indicated by the solid line in FIG. 2), and the exhaust duct 18 is rotated. As a result, the direction w of the ventilation air discharged from the exhaust port 17 is set to be substantially the same as the direction W of the outside air.
【００１５】更に、制御装置１２は、風量センサ１４か
らの検出値に基づき送風機１１のファン回転数を変動さ
せて、送風機１１の送風量を変更させ、外気の影響によ
る換気風量の低下を補う。換気風量の低下は、図３に示
すように、瞬時に吹く外風の影響が大きいことから、制
御装置１２は、所定時間（例えば10秒間）に複数回ｎ
（例えば１秒毎に10回）検出された各換気風量と目標風
量（例えば200 ｍ3 ／ｈ）との差Δαを低下分として検
出し、これらの各低下分の平均値α／ｎ（＝（ΣΔα）
／ｎ）の風量を、送風機１１の送風量の増加により補う
よう制御する。Further, the control device 12 changes the fan rotation speed of the blower 11 based on the detected value from the air flow sensor 14 to change the blown air amount of the blower 11 to compensate for the decrease in the ventilation air amount due to the influence of the outside air. As shown in FIG. 3, the decrease in the ventilation air volume is greatly affected by the outside air that blows instantaneously.
The difference Δα between each detected ventilation air volume (for example, 10 times per second) and the target air volume (for example, 200 m 3 / h) is detected as a decrease amount, and the average value α / n (= (ΣΔα)
The air volume of / n) is controlled so as to be supplemented by an increase in the air volume of the blower 11.
【００１６】具体的には、送風機１１の送風量は細かく
調整せず、数段階、例えば200m3 ／ｈ、 220m3／h 、 24
0m3 ／ｈに設定されている。制御装置１２は、上述の換
気風量の低下の平均値α／ｎが、送風機１１の送風量の
各段階におけるしきい値を越えた場合に、送風機１１の
送風量を次の段階に変更させる。Specifically, the amount of air blown by the blower 11 is not finely adjusted, but several steps, for example, 200 m 3 / h, 220 m 3 / h, 24
It is set to 0m 3 / h. When the average value α / n of the decrease in the ventilation air volume described above exceeds the threshold value in each stage of the air flow rate of the blower 11, the control device 12 changes the air flow rate of the blower 11 to the next step.
【００１７】上記実施例によれば、送風機１１の排気ダ
クト１８が送風機本体１６に対し、排気口１７の方向ｗ
を変更しうるよう構成されたので、送風口１７を、風向
センサ１５にて検出された外風の方向Ｗに対し略順方向
となる方向に、制御装置１２及び駆動部１３を用いて方
向変換できる。According to the above embodiment, the exhaust duct 18 of the blower 11 is directed toward the blower main body 16 in the direction w of the exhaust port 17.
Since it is configured to be able to change the direction, the blower port 17 is changed in direction substantially forward with respect to the direction W of the outside wind detected by the wind direction sensor 15 by using the controller 12 and the drive unit 13. it can.
【００１８】また、風量センサ１４にて換気風量が所定
時間内に複数回検出され、制御装置１２は、この所定時
間内における換気風量の低下の平均値α／ｎに基づいて
送風機１１の送風量を制御するので、換気風量の低下を
補う送風機１１の送風量の変動を小さく設定できる。Further, the ventilation air volume is detected by the air volume sensor 14 a plurality of times within a predetermined time, and the control device 12 causes the air blower 11 to blow the air based on the average value α / n of the decrease in the ventilation air volume within the predetermined time. Is controlled, it is possible to set a small change in the air flow rate of the blower 11 that compensates for the decrease in the ventilation air flow.
【００１９】上述のように、送風機１１の送風口１７を
外風の方向Ｗに対し略順方向に設定でき、且つ、所定時
間内における換気風量の低下の平均値α／ｎに基づい
て、送風機１１の送風量を制御装置１２により制御でき
るので、外風の影響に対して送風機１１の送風量をそれ
ほど変更させることなく、所定量の換気風量を確保でき
る。As described above, the blower port 17 of the blower 11 can be set substantially in the forward direction with respect to the direction W of the outside wind, and the blower is determined based on the average value α / n of the reduction in the ventilation air volume within a predetermined time. Since the air flow rate of 11 can be controlled by the control device 12, it is possible to secure a predetermined air flow rate without changing the air flow rate of the blower 11 to the influence of the outside air.
【００２０】次に、換気装置の他の実施例を示す。この
他の実施例の送風機では、それぞれに排気口を備えた排
気ダクトが送風機本体に接続され、これらの排気口が住
宅の各室或いは１室の複数箇所に設置される。更に、送
風機には、各排気ダクトの集合部分にダンパが配設さ
れ、このダンパの作動により任意の排気ダクトへ選択的
に送風が可能とされる。制御装置は、風向センサにて検
出された外風の方向に対し順方向となる排気口を備えた
排気ダクトへ、上記ダンパを作動させて送風機から送風
させる。更に、制御装置は、風量センサからの検出値に
基づいて、前記実施例と同様に送風機からの送風量を変
動させる。この他の実施例の場合には、前記実施例と同
様な効果を奏する。Next, another embodiment of the ventilation device will be described. In the blower of the other embodiment, exhaust ducts each having an exhaust port are connected to the blower main body, and these exhaust ports are installed in each room of a house or at a plurality of locations in one room. Further, the blower is provided with a damper at a gathering portion of the exhaust ducts, and the operation of the damper makes it possible to selectively blow air to an arbitrary exhaust duct. The control device operates the damper to blow air from the blower to an exhaust duct having an exhaust port that is a forward direction with respect to the direction of the external wind detected by the wind direction sensor. Further, the control device changes the amount of air blown from the blower based on the detected value from the airflow sensor, as in the above embodiment. In the case of the other embodiments, the same effect as that of the above-mentioned embodiment is obtained.
【００２１】以上、本発明の実施例を図面により詳述し
たが、本発明の具体的な構成はこの実施例に限られるも
のではなく、本発明の要旨を逸脱しない範囲の設計の変
更等があっても本発明に含まれる。例えば、駆動部１３
及び風向センサ１５を設置せず、排気ダクト１８の方向
変換を、駆動部１３及び制御装置１２を用いないで、外
風の力を利用して実施してもよい。The embodiment of the present invention has been described in detail above with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and changes in design within the scope not departing from the gist of the present invention can be made. Even if it exists, it is included in the present invention. For example, the drive unit 13
Alternatively, the wind direction sensor 15 may not be installed, and the direction of the exhaust duct 18 may be changed without using the drive unit 13 and the control device 12 by utilizing the force of the outside wind.
【００２２】[0022]
【発明の効果】以上のように、本発明に係る換気装置に
よれば、外風の影響に対して送風機の送風量をそれほど
変更させることなく、所定量の換気風量を確保できる。As described above, according to the ventilation device of the present invention, a predetermined amount of ventilation air can be secured without changing the amount of air blown by the blower to the influence of outside air.
【図１】図１は、本発明に係る換気装置の一実施例を示
すブロック図である。FIG. 1 is a block diagram showing an embodiment of a ventilation device according to the present invention.
【図２】図２は、図１の送風機の排気ダクトを示す側面
図である。FIG. 2 is a side view showing an exhaust duct of the blower shown in FIG.
【図３】図３は、換気風量の変化を示すグラフである。FIG. 3 is a graph showing changes in ventilation air volume.
１０ 換気装置 １１ 送風機 １２ 制御装置 １４ 風量センサ １６ 送風機本体 １７ 換気口 １８ 排気ダクト Ｗ 外風の方向 ｗ 換気風の方向 10 Ventilator 11 Blower 12 Control Device 14 Airflow Sensor 16 Blower Main Body 17 Ventilation Port 18 Exhaust Duct W Direction of Outside Wind w Direction of Ventilation Wind
Claims (2)
る換気装置において、排気口を備えた排気ダクトが送風
機本体に対して位置変更自在に設けられて上記排気口の
向きを調整可能とする送風機と、 排気ダクトに設置されて換気風量を検出する風量センサ
と、 上記風量センサの検出値に基づいて上記送風機の送風量
を制御する制御装置と、を有し、 上記制御装置は、上記風量センサにより所定時間内に複
数回検出される換気風量の低下の平均値に基づいて上記
送風機の送風量を変動させるものであることを特徴とす
る換気装置。1. A ventilator for exhausting indoor air to the outside by means of a blower, wherein an exhaust duct having an exhaust port is provided so as to be repositionable with respect to the main body of the blower, and the direction of the exhaust port can be adjusted. And an air volume sensor installed in the exhaust duct to detect the ventilation air volume, and a controller for controlling the air volume of the blower based on the detection value of the air volume sensor, and the controller is the air volume sensor. The ventilation device is characterized in that the air flow rate of the blower is changed based on an average value of a decrease in the ventilation air flow detected a plurality of times within a predetermined time.
る換気装置において、排気口を備えた排気ダクトが送風
機本体に対して複数設けられ、各排気ダクトへ選択的に
送風可能とする送風機と、 外風の方向を検出する風向きセンサと、 排気ダクトに設置されて換気風量を検出する風量センサ
と、 上記風量センサの検出値に基づいて上記送風機の送風量
を制御する制御装置と、を有し、 上記制御装置は、上記風向きセンサの検出値に基づい
て、上記外風に対し順方向となる排気口を備えた排気ダ
クトへ送風させると共に、上記風量センサにより所定時
間内に複数回検出される換気風量の低下の平均値に基づ
いて上記送風機の送風量を変動させるものであることを
特徴とする換気装置。2. A ventilator for exhausting indoor air to the outside by means of a blower, wherein a plurality of exhaust ducts having exhaust ports are provided for the blower main body, and a blower capable of selectively blowing air to each exhaust duct, It has a wind direction sensor that detects the direction of the outside wind, an air volume sensor that is installed in the exhaust duct to detect the ventilation air volume, and a control device that controls the air volume of the blower based on the detection value of the air volume sensor. The control device blows air to an exhaust duct having an exhaust port that is in the forward direction with respect to the outside wind based on the detection value of the wind direction sensor, and is detected a plurality of times within a predetermined time by the air flow sensor. A ventilation device characterized in that the air flow rate of the blower is varied based on the average value of the reduction in ventilation air volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12229194A JPH07332718A (en) | 1994-06-03 | 1994-06-03 | Ventilation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12229194A JPH07332718A (en) | 1994-06-03 | 1994-06-03 | Ventilation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07332718A true JPH07332718A (en) | 1995-12-22 |
Family
ID=14832327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12229194A Pending JPH07332718A (en) | 1994-06-03 | 1994-06-03 | Ventilation |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07332718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121415A (en) * | 2006-11-08 | 2008-05-29 | Lg Electronics Inc | Exhaust structure of apartment house with clothes dryer |
| JP2008121414A (en) * | 2006-11-08 | 2008-05-29 | Lg Electronics Inc | Exhaust structure of apartment house with clothes dryer |
| JP2011081308A (en) * | 2009-10-09 | 2011-04-21 | Sharp Corp | Air cleaner and image forming apparatus equipped with the same |
-
1994
- 1994-06-03 JP JP12229194A patent/JPH07332718A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121415A (en) * | 2006-11-08 | 2008-05-29 | Lg Electronics Inc | Exhaust structure of apartment house with clothes dryer |
| JP2008121414A (en) * | 2006-11-08 | 2008-05-29 | Lg Electronics Inc | Exhaust structure of apartment house with clothes dryer |
| US8024871B2 (en) | 2006-11-08 | 2011-09-27 | Lg Electronics Inc. | Exhaust structure for clothes dryer in apartment building |
| JP2011081308A (en) * | 2009-10-09 | 2011-04-21 | Sharp Corp | Air cleaner and image forming apparatus equipped with the same |
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