JP2895950B2 - Room pressure control ventilation equipment - Google Patents
Room pressure control ventilation equipmentInfo
- Publication number
- JP2895950B2 JP2895950B2 JP2296286A JP29628690A JP2895950B2 JP 2895950 B2 JP2895950 B2 JP 2895950B2 JP 2296286 A JP2296286 A JP 2296286A JP 29628690 A JP29628690 A JP 29628690A JP 2895950 B2 JP2895950 B2 JP 2895950B2
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- Japan
- Prior art keywords
- exhaust
- air
- pressure
- air supply
- control means
- Prior art date
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- Air Conditioning Control Device (AREA)
- Ventilation (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、換気に並行して室圧制御を実施する室圧制
御換気設備に関し、詳しくは、 対象室に対する給気出力を調整する給気出力制御手段
と、 前記対象室に対する排気ダンパの開度調整により前記
対象室の給排気量収支を調整して、前記対象室の室圧状
態を所定の室圧状態に調整する室圧制御手段と、 その室圧制御手段により開度調整される前記排気ダン
パの開度状態を所定の排気側適合開度状態に維持するよ
うに、前記排気ダンパよりも下流側の排気風路圧を調整
する排気風路圧制御手段とを、 備える室圧制御換気設備に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a room pressure control ventilator for performing room pressure control in parallel with ventilation, and more particularly, to air supply for adjusting supply air output to a target room. An output control unit, and a room pressure control unit that adjusts a supply / exhaust amount balance of the target room by adjusting an opening degree of an exhaust damper with respect to the target room, and adjusts a room pressure state of the target room to a predetermined room pressure state. An exhaust air passage pressure downstream of the exhaust damper such that the opening degree of the exhaust damper, the opening degree of which is adjusted by the chamber pressure control means, is maintained at a predetermined exhaust side compatible opening state; The present invention relates to a room pressure control ventilation system comprising: air path pressure control means.
第３図は上記室圧制御換気設備の従来設備構成を示す
が、従来、対象室（１）の室圧状態を所定の室圧状態に
調整すべく、室圧制御手段（17）により排気ダンパ（1
5）が開度調整されるのに対し、上記の排気風路圧制御
手段（26）は、排気ダンパ（15）の開度情報（b1，b2，
b3）に基づき排気ファン（10）の出力を調整して、排気
ダンパ（15）の開度状態（b1，b2，b3）を所定の排気側
適合開度状態に維持するように、排気ダンパ（15）より
も下流側の排気風路圧（Pb）を調整する構成となってお
り、その排気風路圧調整は排気ダンパ（15）からの開度
情報（b1，b2，b3）のみに基づく調整で、給気ダンパ
（11）や給気ファン（９）を備える給気側の給気出力調
整とは制御上、独立したものとなっていた（特公平２−
13217号公報参照）。FIG. 3 shows a conventional equipment configuration of the above-mentioned room pressure control ventilation equipment. Conventionally, in order to adjust the room pressure state of the target room (1) to a predetermined room pressure state, an exhaust damper is provided by a room pressure control means (17). (1
5) is adjusted, while the exhaust air pressure control means (26) controls the opening information (b 1 , b 2 ,...) Of the exhaust damper (15).
b 3) to adjust the output of the exhaust fan (10) based on the opening state (b 1 of the exhaust damper (15), b 2, b 3) a so as to maintain a predetermined exhaust side adapted opening state The exhaust air path pressure (Pb) on the downstream side of the exhaust damper (15) is adjusted. The exhaust air path pressure is adjusted by opening degree information (b 1 , b 2 ) from the exhaust damper (15). , B 3 ), the control is independent of the air supply output adjustment on the air supply side provided with the air supply damper (11) and the air supply fan (9).
No. 13217).
しかし、上記の従来設備構成では、給気量変更に伴い
給気出力が変更調整されると、室圧制御手段（17）及び
排気風路圧制御手段（26）による排気側制御の追従形態
として、先ず、給気量変更に対し室圧状態を所定の室圧
状態に調整維持すべく、室圧制御手段（17）により排気
ダンパ（15）の開度が変更され、そして、この排気ダン
パ（15）の開度変更があって初めて、排気風路圧制御手
段（26）により排気風路圧（Pb）が変更調整され、続い
て、この排気風路圧（Pb）の変更に対して排気ダンパ
（15）の開度が室圧制御手段（17）により再調整的に変
更調整される、といった追従形態となり、この排気側制
御の追従において、排気ダンパ（15）の開度変動が大き
く、又、排気側制御が再び安定するまでに要する時間が
長く、この点、室圧状態を所定の室圧状態に極力安定的
に、かつ精度良く維持する上で未だ改善の余地があっ
た。However, in the above-described conventional equipment configuration, when the supply air output is changed and adjusted in accordance with the change of the supply air amount, the exhaust gas side pressure is controlled by the room pressure control means (17) and the exhaust air path pressure control means (26). First, the opening degree of the exhaust damper (15) is changed by the room pressure control means (17) so as to adjust and maintain the room pressure state at a predetermined room pressure state in response to the change of the supply air amount. Only after the opening degree change of 15) is performed, the exhaust air path pressure control means (26) changes and adjusts the exhaust air path pressure (Pb). The opening degree of the damper (15) is changed and adjusted by the room pressure control means (17) in a re-adjusting manner. In this tracking of the exhaust-side control, the opening degree of the exhaust damper (15) greatly varies. In addition, the time required for the exhaust side control to stabilize again is long. There is still room for improvement in maintaining the room pressure condition as stable and accurate as possible.
本発明の目的は、排気風路圧の調整制御において合理
的な制御形態を採用することで、給気量変更に対する排
気側制御の追従において排気ダンパの変動を抑制すると
ともに、排気側制御が再び安定するまでに要する時間の
短縮を図る点にある。An object of the present invention is to adopt a rational control mode in the exhaust air path pressure adjustment control, thereby suppressing a change in the exhaust damper in following the exhaust-side control with respect to the change in the supply air amount, and reducing the exhaust-side control again. The point is to reduce the time required for stabilization.
本発明による室圧制御換気設備の第１の特徴構成は、 対象室に対する給気出力を調整する給気出力制御手段
と、 前記対象室に対する排気ダンパの開度調整により前記
対象室の給排気量収支を調整して、前記対象室の室圧状
態を所定の室圧状態に調整する室圧制御手段と、 その室圧制御手段により開度調整される前記排気ダン
パの開度状態を所定の排気側適合開度状態に維持するよ
うに、前記排気ダンパよりも下流側の排気風路圧を調整
する排気風路圧制御手段とを、 備える構成において、 前記排気風路圧制御手段が、その排気風路圧調整にお
いて、前記給気出力制御手段の給気出力調整情報に基づ
く調整を実行するように構成されていることにあり、 その作用・効果は次の通りである。A first characteristic configuration of the room pressure control ventilation equipment according to the present invention includes: an air supply output control unit that adjusts an air supply output to a target room; and a supply / exhaust amount of the target room by adjusting an opening degree of an exhaust damper to the target room. A chamber pressure control means for adjusting the balance to adjust the chamber pressure state of the target chamber to a predetermined chamber pressure state; and adjusting the opening degree of the exhaust damper adjusted by the chamber pressure control means to a predetermined exhaust pressure. Exhaust air path pressure control means for adjusting the exhaust air path pressure downstream of the exhaust damper so as to maintain the side-adaptive opening degree, wherein the exhaust air path pressure control means In the air passage pressure adjustment, the air supply pressure control means is configured to execute the adjustment based on the air supply output adjustment information, and the operation and effect are as follows.
つまり（第１図参照）、室圧は対象室（１）の給排気
量収支により決まるから、この種の室圧制御換気設備に
おいては、給気量変更に伴う給気出力制御手段（25）に
よる給気出力の変更調整と、その給気量変更に対して対
象室（１）の室圧状態を所定の室圧状態に維持し、かつ
室圧制御手段（17）による排気ダンパ（15）の開度変更
を抑制するのに要する排気風路圧（Pb）の変更調整とに
は、特定の相関関係があり、具体的には、給気量の増大
変更に伴う給気出力の増大に対しては、対象室（１）の
室圧状態を所定の室圧状態に維持し、かつ室圧制御手段
（17）による排気ダンパ（15）の開度変更を抑制するの
に排気風路圧（Pb）の低下が必要となり、又、給気量の
減少変更に伴う給気出力の減少に対しては逆に排気風路
圧（Pb）の上昇が必要となる。In other words (see FIG. 1), since the room pressure is determined by the air supply / exhaust amount balance of the target room (1), in this type of room pressure control ventilation equipment, the air supply output control means (25) accompanying the air supply amount change In response to the air supply output change adjustment and the air supply amount change, the chamber pressure state of the target chamber (1) is maintained at a predetermined chamber pressure state, and the exhaust damper (15) is controlled by the chamber pressure control means (17). There is a specific correlation between the change in the exhaust air passage pressure (Pb) required to suppress the change in the opening degree of the air supply, and specifically, the increase in the air supply output accompanying the change in the increase in the air supply amount. On the other hand, in order to maintain the room pressure state of the target room (1) at a predetermined room pressure state and to suppress the change in the opening degree of the exhaust damper (15) by the room pressure control means (17), the exhaust air passage pressure is used. (Pb) needs to be reduced, and conversely, when the air supply output is reduced due to a change in the air supply amount, it is necessary to increase the exhaust air path pressure (Pb). You.
従って、前記の本発明第１特徴構成によれば、排気風
路圧調整において、上記の特定相関関係に従った状態で
の給気出力制御手段（25）の給気出力調整情報（Pas）
に基づく排気風路圧調整を排気風路圧制御手段（26）に
実行させることにより、給気量変更に対して排気ダンパ
（15）の開度が室圧制御手段（17）により大きく変更さ
れるのを待たずに、排気ダンパ（15）よりも下流側の排
気風路圧（Pb）を、室圧状態を所定の室圧状態に維持す
る方向、すなわち、泌圧制御手段（17）による排気ダン
パ（15）の開度変更を抑制する方向へ早期に変更調整で
きる。Therefore, according to the first characteristic configuration of the present invention, in the exhaust air path pressure adjustment, the air supply output adjustment information (Pas) of the air supply output control means (25) in a state according to the specific correlation described above.
The exhaust air pressure control means (26) based on the exhaust air pressure control means (26), the opening degree of the exhaust damper (15) is greatly changed by the chamber pressure control means (17) in response to the change in the supply air amount. Without waiting for the exhaust air path pressure (Pb) downstream of the exhaust damper (15) to maintain the room pressure state at a predetermined room pressure state, that is, by the pressure control means (17). It is possible to change and adjust the opening degree of the exhaust damper (15) quickly in a direction to suppress the change.
以上作用の結果、本発明の第１特徴構成によれば、給
気量変更に対して室圧制御手段により排気ダンパの開度
が大きく変更調整された結果として初めて、その排気ダ
ンパの開度変更を抑制する方向へ排気風路圧が変更調整
されていた従来設備に比、給気量変更に対する排気側制
御の追従において、排気ダンパの開度変動を効果的に抑
制でき、又、そのことによって、排気側制御が再び安定
するまでに要する時間をも効果的に短縮でき、そして、
これらのことから、対象室の室圧状態を、従来に比べよ
り安定的に、かつ、より精度良く所定の室圧状態に維持
し得るに至った。As a result of the above operation, according to the first characteristic configuration of the present invention, the opening degree of the exhaust damper is changed only when the opening degree of the exhaust damper is largely changed and adjusted by the room pressure control means in response to the change in the supply air amount. In comparison with the conventional equipment in which the exhaust air pressure is changed and adjusted in the direction of suppressing the exhaust air pressure, the variation of the opening degree of the exhaust damper can be effectively suppressed in the follow-up of the exhaust-side control with respect to the change in the supply air amount. Effectively reduce the time it takes for the exhaust control to stabilize again, and
From these facts, the room pressure state of the target chamber can be more stably and more accurately maintained at a predetermined room pressure state than before.
〔本発明の第２特徴構成〕 本発明による室圧制御換気設備の第２の特徴構成は、
前記排気風路圧制御手段が、その排気風路圧調整におい
て、前記給気出力制御手段の給気出力調整情報と前記排
気ダンパの開度情報とに基づく調整を実行するように構
成されていることにある。[Second characteristic configuration of the present invention] The second characteristic configuration of the room pressure control ventilation equipment according to the present invention is as follows.
The exhaust air path pressure control means is configured to perform adjustment based on supply air output adjustment information of the supply air output control means and opening degree information of the exhaust damper in the exhaust air path pressure adjustment. It is in.
つまり（第１図参照）、室圧制御手段（17）により開
度調整される排気ダンパ（15）の開度状態（b1，b2，
b3）を所定の排気側適合開度状態（Ｂ）に維持するよう
に、その排気ダンパ（15）の開度情報（b1，b2，b3）に
基づき排気風路圧（Pb）を調整する制御形態は、フィー
ドバック制御に相当するが、排気風路圧調整において、
給気出力制御手段（25）の給気出力調整情報（Pas）
と、室圧制御手段（17）により開度調整される排気ダン
パ（15）の開度情報（b1，b2，b3）とに基づく調整を排
気風路圧制御手段（26）に実行させる上記第２特徴構成
を採用すれば、給気出力制御手段（25）の給気出力調整
情報（Pas）に基づく排気風路圧（Pb）の調整をもって
前述第１特徴構成の作用効果を得ながらも、例えば、単
に給気出力制御手段（25）の給気出力調整情報（Pas）
にのみ基づき排気風路圧（Pb）を調整する制御形態に比
べ、排気ダンパ（15）の開度情報（b1，b2，b3）に基づ
く上記フィードバック形態の調整の付加により、排気ダ
ンパ（15）の開度状態（b1，b2，b3）を所定の排気側適
合開度状態（Ｂ）に維持することにおいて、制御に対し
より高い信頼性を確保できる。That is, (see FIG. 1), the opening state (b 1 , b 2 , b 2 ) of the exhaust damper (15) whose opening degree is adjusted by the room pressure control means (17).
The exhaust air path pressure (Pb) based on the opening information (b 1 , b 2 , b 3 ) of the exhaust damper (15) so that b 3 ) is maintained at the predetermined exhaust side compatible opening state (B). Is equivalent to feedback control, but in the exhaust air pressure adjustment,
Air supply output adjustment information (Pas) of air supply output control means (25)
The adjustment based on the opening information (b 1 , b 2 , b 3 ) of the exhaust damper (15) whose opening is adjusted by the room pressure control means (17) is performed on the exhaust air path pressure control means (26). By adopting the second characteristic configuration, the operation and effect of the first characteristic configuration can be obtained by adjusting the exhaust air path pressure (Pb) based on the air supply output adjustment information (Pas) of the air supply output control means (25). However, for example, only the air supply output adjustment information (Pas) of the air supply output control means (25)
As compared with the control mode in which the exhaust air path pressure (Pb) is adjusted based only on the exhaust damper (Pb), the adjustment of the feedback mode based on the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15) is added. By maintaining the opening degree state (b 1 , b 2 , b 3 ) of (15) in the predetermined exhaust-side compatible opening state (B), higher reliability for control can be ensured.
〔本発明の第３特徴構成〕 本発明による室圧制御換気設備の第３の特徴構成は、
前記排気風路圧制御手段が、 前記給気出力制御手段の給気出力調整情報に基づき、
給気出力の増減に応じて排気風路圧を増減させる基本制
御と、 その基本制御における、給気出力の変化に対する排気
風路圧の変更則を前記排気ダンパの開度情報に基づき補
正する補正制御とを、 実行するように構成されていることにある。[Third characteristic configuration of the present invention] A third characteristic configuration of the room pressure control ventilation equipment according to the present invention is as follows.
The exhaust air path pressure control means, based on air supply output adjustment information of the air supply output control means,
A basic control for increasing or decreasing the exhaust air path pressure in accordance with an increase or decrease in the supply air output; and a correction for correcting the change in the exhaust air path pressure with respect to a change in the supply air output in the basic control based on the opening degree information of the exhaust damper. Control is performed.
つまり（第１図参照）、この第３特徴構成を採用すれ
ば、給気出力（Pa）の増減に応じ排気風路圧（Pb）を増
減させる上記基本制御において、仮に、室圧制御手段
（17）により開度調整される排気ダンパ（15）の開度状
態（b1，b2，b3）が所定の排気側適合開度状態（Ｂ）か
ら外れることとなったとしても、その排気ダンパ（15）
の開度情報（b1，b2，b3）に基づく上記補正制御によ
り、基本制御における、給気出力（Pa）の変化に対する
排気風路圧（Pb）の変更則（Ｌ）を変更することで、排
気ダンパ（15）の開度状態（b1，b2，b3）を所定の排気
側適合開度状態（Ｂ）に戻すことができるとともに、そ
の後の基本制御において排気ダンパ（15）の開度状態
（b1，b2，b3）が所定の排気側適合開度状態（Ｂ）から
外れることがないように基本制御を自動的に適正化で
き、このことから、本発明の実施において制御動作を極
めて安定的で、かつ円滑なものとすることができる。In other words (see FIG. 1), if the third characteristic configuration is adopted, in the above-described basic control for increasing or decreasing the exhaust air path pressure (Pb) in accordance with an increase or decrease in the air supply output (Pa), the room pressure control means ( Even if the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) whose opening is adjusted by (17) deviates from the predetermined exhaust side compatible opening state (B), the exhaust Damper (15)
The above-described correction control based on the opening degree information (b 1 , b 2 , b 3 ) changes the change rule (L) of the exhaust air path pressure (Pb) with respect to the change of the air supply output (Pa) in the basic control. Thus, the opening degree state (b 1 , b 2 , b 3 ) of the exhaust damper (15) can be returned to the predetermined exhaust-side compatible opening state (B), and the exhaust damper (15 ), The basic control can be automatically optimized so that the opening state (b 1 , b 2 , b 3 ) does not deviate from the predetermined exhaust side matching opening state (B). , The control operation can be made extremely stable and smooth.
〔本発明の第４特徴構成〕 本発明による室圧制御換気設備の第４の特徴構成は、
前記給気出力制御手段が、 前記対象室に対する給気量を指定値に維持するよう
に、前記対象室に対する給気ダンパを開度調整する給気
量制御手段と、 その給気量制御手段により開度調整される前記給気ダ
ンパの開度状態を所定の給気側適合開度状態に維持する
ように、前記給気ダンパよりも上流側の給気風路圧を調
整する給気風路圧制御手段とを、 備え、 前記排気風路圧制御手段が、その排気風路圧調整にお
いて用いる前記給気出力制御手段の給気出力調整情報と
して、前記給気風路圧制御手段の給気風路圧調整情報を
採用するように構成されていることにある。[Fourth characteristic configuration of the present invention] The fourth characteristic configuration of the room pressure control ventilation equipment according to the present invention is as follows.
The air supply output control means includes: an air supply amount control means that adjusts an opening degree of an air supply damper to the target room so that the air supply amount to the target room is maintained at a specified value; Supply air path pressure control for adjusting the supply air path pressure upstream of the supply damper so that the opening degree of the supply air damper whose opening degree is adjusted is maintained at a predetermined supply side compatible opening state. Means, wherein the exhaust air pressure control means uses the air supply pressure adjustment of the air supply air pressure control means as air supply output adjustment information of the air supply output control means used in the exhaust air pressure adjustment. It is configured to adopt information.
つまり（第１図参照）、給気出力制御手段（25）が上
記の給気量制御手段（14）と給気風路圧制御手段（21）
とを備える構成においては、先述の第１特徴構成の作用
の項で述べた、給気量変更に伴う給気出力制御手段（2
5）による給気出力の変更調整と、その給気量変更に対
して対象室（１）の室圧状態を所定の室圧状態に維持
し、かつ室圧制御手段（17）による排気ダンパ（15）の
開度変更を抑制するのに要する排気風路圧（Pb）の変更
調整との間に存在する特定相関関係の一つとして、給気
量変更に対し、給気量制御手段（14）により開度調整さ
れる給気ダンパ（11）の開度状態（a1，a2，a3）を所定
の給気側適合開度状態（Ａ）に維持するのに要する給気
風路圧（Pa）の変更調整と、その給気量変更に対して対
象室（１）の室圧状態を所定の室圧状態に維持し、かつ
室圧制御手段（17）による排気ダンパ（15）の開度変更
を抑制するのに要する排気風路圧（Pb）の変更調整とに
特定の相関関係があり、具体的には、給気ダンパ（11）
の開度状態（a1，a2，a3）を所定の給気側適合開度状態
（Ａ）に維持するようにしながらの給気量の増大変更に
伴う給気風路圧（Pa）の上昇に対しては、対象室（１）
の室圧状態を所定の室圧状態に維持し、かつ室圧制御手
段（17）による排気ダンパ（15）の開度変更を抑制する
のに排気風路圧（Pb）の低下が必要となり、又、給気ダ
ンパ（11）の開度状態（a1，a2，a3）を所定の給気側適
合開度状態（Ａ）に維持するようにしながらの給気量の
減少変更に伴う給気風路圧（Pa）の低下に対しては逆に
排気風路圧（Pb）の上昇が必要となる。That is, (see FIG. 1), the air supply output control means (25) is composed of the air supply amount control means (14) and the air supply air pressure control means (21).
In the configuration including the air supply output control means (2) associated with the air supply amount change described in the section of the operation of the first characteristic configuration described above.
In response to the change in the supply air supply according to 5) and the change in the supply air amount, the room pressure state of the target room (1) is maintained at a predetermined room pressure state, and the exhaust damper (17) is controlled by the room pressure control means (17). One of the specific correlations between the change in the exhaust air passage pressure (Pb) required to suppress the change in the opening degree of 15) and the change in the air supply amount is a change in the air supply amount control means (14). )), The supply air path pressure required to maintain the opening degree (a 1 , a 2 , a 3 ) of the air supply damper (11) adjusted to the predetermined supply side appropriate opening state (A). (Pa) for the change adjustment and the change in the supplied air amount, the room pressure state of the target chamber (1) is maintained at a predetermined room pressure state, and the exhaust pressure damper (15) is controlled by the room pressure control means (17). There is a specific correlation with the adjustment of the change of the exhaust air path pressure (Pb) required to suppress the change of the opening degree. Specifically, the air supply damper (11)
Of the supply air path pressure (Pa) due to a change in the supply air amount while maintaining the opening degree state (a 1 , a 2 , a 3 ) of the air supply at the predetermined supply side appropriate opening state (A). Target room (1)
It is necessary to reduce the exhaust air path pressure (Pb) in order to maintain the room pressure state in the predetermined room pressure state and suppress the change in the opening degree of the exhaust damper (15) by the room pressure control means (17). In addition, the air supply damper (11) keeps the opening degree state (a 1 , a 2 , a 3 ) in the predetermined air supply side suitable opening state (A), and the change in the air supply amount is reduced. Conversely, a decrease in the supply air path pressure (Pa) requires an increase in the exhaust air path pressure (Pb).
従って、排気風路圧制御手段（26）の排気風路圧調整
において用いる給気出力制御手段（25）の給気出力調整
情報として、給気風路圧制御手段（21）の給気風路圧調
整情報（Pas）を採用する上記の第４特徴構成によって
も、上記の特定相関関係を利用するという点において、
先述第１特徴構成の作用効果を確実に得ることができ、
又、上記の第４特徴構成によれば、排気風路圧制御手段
（26）の入力情報（Pas）と調整対象（Pb）とが共に風
路圧であることから、制御システムの簡略化が可能とな
る。Therefore, as the air supply output adjustment information of the air supply output control means (25) used in the exhaust air path pressure adjustment of the exhaust air path pressure control means (26), the air supply air path pressure adjustment of the air supply air path pressure control means (21) is used. According to the fourth feature configuration employing information (Pas), the specific correlation described above is used.
The operation and effect of the first characteristic configuration can be reliably obtained,
Further, according to the fourth characteristic configuration, since the input information (Pas) and the adjustment target (Pb) of the exhaust air pressure control means (26) are both air pressures, the control system can be simplified. It becomes possible.
〔本発明の第５特徴構成〕 本発明による室圧制御換気設備の第５の特徴構成は、
前記対象室が複数であり、 前記対象室の夫々と主排気風路とを接続する分岐排気
風路の夫々に、前記排気ダンパが介装され、 前記排気風路圧制御手段が、その排気風路圧調整にお
いて、前記排気ダンパのうちで最大開度のものの開度が
設定中間開度範囲内にある状態を前記の排気側適合開度
状態とし、かつ、前記主排気風路の排気風路圧を調整対
象とするように構成されていることにある。[Fifth characteristic configuration of the present invention] A fifth characteristic configuration of the room pressure control ventilation equipment according to the present invention is as follows.
A plurality of the target chambers; a branch exhaust air path connecting each of the target chambers to a main exhaust air path; and the exhaust damper is interposed in each of the branch exhaust air paths; In the road pressure adjustment, a state in which the opening degree of the exhaust damper having the maximum opening degree is within the set intermediate opening degree range is set as the exhaust-side compatible opening state, and the exhaust air path of the main exhaust air path is The pressure is to be adjusted.
つまり（第１図参照）、この第５の特徴構成によれ
ば、分岐排気風路（５）を介して主排気風路（４）に接
続された複数対象室（１）の夫々に対する室圧制御にお
いて、先述第１特徴構成の作用効果を得ることができ
る。In other words (see FIG. 1), according to the fifth characteristic configuration, the chamber pressure for each of the multiple target chambers (1) connected to the main exhaust air path (4) via the branch exhaust air path (5). In the control, the operation and effect of the first characteristic configuration can be obtained.
〔本発明の第６特徴構成〕 本発明による室圧制御換気設備の第６の特徴構成は、
複数の前記対象室の夫々と主給気風路とを接続する分岐
給気風路の夫々に、前記給気ダンパが介装され、 前記給気風路圧制御手段が、その給気風路圧調整にお
いて、前記給気ダンパのうちで最大開度のものの開度が
設定中間開度範囲内にある状態を前記の給気側適合開度
状態とし、かつ、前記主給気風路の給気風路圧を調整対
象とするように構成されていることにある。[Sixth characteristic configuration of the present invention] A sixth characteristic configuration of the room pressure control ventilation equipment according to the present invention is as follows.
In each of the branch supply air passages connecting each of the plurality of target chambers and the main supply air passage, the supply air damper is interposed, and the supply air passage pressure control means adjusts the supply air passage pressure. The state in which the opening degree of the maximum opening degree of the air supply damper is within the set intermediate opening degree range is set to the air supply side compatible opening state, and the air supply air path pressure of the main air supply air path is adjusted. It is configured to be targeted.
つまり（第１図参照）、この第６特徴構成によれば、
給気ダンパ（11）夫々の開度調整をもって複数対象室
（１）の夫々に対する給気量変更を個別に可能としなが
らも、給気風路圧制御手段（21）による主給気風路
（２）の給気風路圧調整により、給気ダンパ（11）のう
ちで最大開度のものの開度（amax）が設定中間開度範囲
内にある状態を保って、それら給気ダンパ（11）の開度
状態（a1，a2，a3）を全体として所定の給気側適合開度
状態（Ａ）に維持できる。That is, (see FIG. 1), according to the sixth characteristic configuration,
The air supply damper (11) is capable of individually changing the air supply amount to each of the plurality of target chambers (1) by adjusting the opening degree of each of the air supply dampers (11). Of the air supply damper (11), the opening degree (a max ) of the air supply damper (11) having the maximum opening degree is kept within the set intermediate opening degree range, and The opening degree state (a 1 , a 2 , a 3 ) can be maintained as a whole in the predetermined supply side compatible opening state (A).
次に実施例を説明する。 Next, an embodiment will be described.
第１図は、本発明による室圧制御換気設備の設備構成
を示し、複数の対象室（１）の夫々と主給気風路（２）
とを分岐給気風路（３）を介して接続し、又、それら対
象室（１）の夫々と主排気風路（４）とを分岐排気風路
（５）を介して接続し、そして、外気取り入れ風路
（６）からの取り入れ外気と還気風路（７）を介し導か
れる排気の一部との合流気を温湿度調整する空調機
（８）、及び、給気ファン（９）を主給気風路（２）に
介装するとともに、排気ファン（10）を主排気風路
（４）に介装してある。FIG. 1 shows an equipment configuration of a room pressure control ventilation system according to the present invention, wherein each of a plurality of target rooms (1) and a main supply air passage (2).
Are connected via a branch supply air path (3), and each of the target chambers (1) and the main exhaust air path (4) are connected via a branch exhaust air path (5); and An air conditioner (8) for adjusting the temperature and humidity of a combined air of the intake air from the outside air intake air passage (6) and a part of the exhaust gas guided through the return air passage (7), and an air supply fan (9) An exhaust fan (10) is interposed in the main exhaust air passage (4) while being interposed in the main air supply passage (2).
各対象室（１）に対しては、分岐給気風路（３）に介
装の給気ダンパ（11）を開度調整して、給気量センサ
（12）により検出される対象室（１）への給気量（ｑ）
を統括制御器（13）により指定される値（qs）に調整す
る給気量制御器（14）、及び、分岐排気風路（５）に介
装の排気ダンパ（15）を開度調整することで対象室
（１）の給排気量収支を調整して、差圧センサ（16）に
より検出される対象室（１）内外の差圧（ｐ）を統括制
御器（13）により指定される値（ps）に調整する室圧制
御器（17）を装備してある。For each of the target chambers (1), the opening degree of an air supply damper (11) provided in the branch air supply path (3) is adjusted, and the target chamber (1) detected by the air supply amount sensor (12) is adjusted. )) (Q)
Controller (14) that adjusts the air pressure to a value (qs) specified by the general controller (13), and adjusts the opening of the exhaust damper (15) that is interposed in the branch exhaust air path (5). Thus, the supply / exhaust amount balance of the target chamber (1) is adjusted, and the differential pressure (p) inside and outside the target chamber (1) detected by the differential pressure sensor (16) is designated by the general controller (13). Equipped with a room pressure controller (17) that adjusts to the value (ps).
給気ファン（９）に対しては、主給気風路（２）にお
いて給気ファン（９）の吐出側で圧力センサ（18）によ
り検出される給気風路圧（Pa）を、統括制御器（13）に
より指定される値（Pas）に維持するように、給気ファ
ン（９）をインバータ制御により出力調整する給気風路
圧調整器（19）を付帯装備してあり、これに対し、各給
気量制御器（14）により開度調整される給気ダンパ（1
1）のうちで最大開度のものの開度（amax）が給気側設
定中間開度範囲（例えば、50％〜80％開度）内にある状
態を給気側適合開度状態（Ａ）として、給気ダンパ（1
1）の開度状態（a1，a2，a3）を上記の給気側適合開度
状態（Ａ）に維持するように、給気ダンパ（11）の開度
情報（a1，a2，a3）に基づき、給気風路圧調整器（19）
に対する給気風路圧指定値（Pas）を変更調整する給気
風路圧設定部（20）を統括制御器（13）に装備してあ
る。For the air supply fan (9), the air supply air path pressure (Pa) detected by the pressure sensor (18) on the discharge side of the air supply fan (9) in the main air supply path (2) is controlled by the general controller. In order to maintain the value (Pas) specified by (13), an air supply air pressure regulator (19) for adjusting the output of the air supply fan (9) by inverter control is additionally provided. The air supply damper (1) whose opening is adjusted by each air supply amount controller (14)
In 1), the state in which the opening degree (a max ) of the maximum opening degree is within the supply side set intermediate opening range (for example, 50% to 80% opening degree) is defined as the supply side compatible opening state (A ) As an air supply damper (1
The opening degree information (a 1 , a 1 ) of the air supply damper (11) is maintained so that the opening degree state (a 1 , a 2 , a 3 ) of 1 ) is maintained in the above-mentioned air supply side compatible opening state (A). 2 , a 3 ), based on the supply air pressure regulator (19)
The integrated controller (13) is provided with a supply air passage pressure setting section (20) for changing and adjusting the supply air passage pressure designation value (Pas) for the air supply.
つまり、給気ダンパ（11）の開度情報（a1，a2，a3）
に基づいて、給気ダンパ（11）の開度状態（a1，a2，
a3）を上記の給気側適合開度状態（Ａ）に維持するよう
に、主給気風路（２）の給気風路圧（Pa）を調整する給
気風路圧制御部（21）を、上記の給気風路圧調整器（1
9）と給気風路圧設定部（20）とをもって構成してあ
り、このように主給気風路（２）の給気風路圧調整をも
って給気ダンパ（11）の開度状態（a1，a2，a3）を上記
の給気側適合開度状態（Ａ）に調整維持することによ
り、各給気ダンパ（11）の開度調整による通風量調整の
調整精度を高く維持するとともに、給気ダンパ（11）の
通風抵抗を小さくして給気ファン（９）の消費動力を節
減するようにしてある。That is, the opening degree information (a 1 , a 2 , a 3 ) of the air supply damper (11)
Based on the opening degree states (a 1 , a 2 ,
a 3 ) The air supply pressure control unit (21) that adjusts the air supply pressure (Pa) of the main air supply path (2) so as to maintain the supply side compatible opening degree state (A). , The above air supply pressure regulator (1
9) and the supply air passage pressure setting section (20). Thus, by adjusting the supply air passage pressure of the main air supply passage (2), the opening degree state (a 1 , a 2 , a 3 ) is adjusted and maintained in the above-described air supply side compatible opening state (A), thereby maintaining high adjustment accuracy of the ventilation amount adjustment by adjusting the opening degree of each air supply damper (11). The ventilation resistance of the air supply damper (11) is reduced to reduce the power consumption of the air supply fan (9).
一方、排気ファン（10）に対しては、主排気風路
（４）において排気ファン（10）の吸い込み側で圧力セ
ンサ（22）により検出される排出風路圧（Pb）を、統括
制御器（13）により指定される値（Pbs）に維持するよ
うに、排気ファン（10）をインバータ制御により出力調
整する排気風路圧調整器（23）を付帯装備してあり、こ
れに対し、室圧制御器（17）により開度調整される排気
ダンパ（15）のうちで最大開度のものの開度（bmax）が
排気側設定中間開度範囲（例えば、50％〜80％開度）内
にある状態を排気側適合開度状態（Ｂ）として、排気ダ
ンパ（15）の開度状態（b1，b2，b3）を上記の排気側適
合開度状態（Ｂ）に維持するように、前記の給気風路圧
制御部（21）の給気風路圧調整情報（Pas）と、排気ダ
ンパ（15）の開度情報（b1，b2，b3）とに基づいて、排
気風路圧調整器（23）に対する排気風路圧指定値（Pb
s）を変更調整する排気風路圧設定部（24）を統括制御
器（13）に装備してある。On the other hand, for the exhaust fan (10), the exhaust air path pressure (Pb) detected by the pressure sensor (22) on the suction side of the exhaust fan (10) in the main exhaust air path (4) is controlled by the general controller. In order to maintain the value (Pbs) specified by (13), an exhaust air passage pressure regulator (23) that adjusts the output of the exhaust fan (10) by inverter control is additionally provided. Among the exhaust dampers (15) whose opening is adjusted by the pressure controller (17), the opening (b max ) of the exhaust opening with the maximum opening is within the intermediate opening range set on the exhaust side (for example, 50% to 80% opening). The inside state is defined as the exhaust side compatible opening state (B), and the opening states (b 1 , b 2 , b 3 ) of the exhaust damper (15) are maintained in the exhaust side compatible opening state (B). As described above, the air supply pressure control information (Pas) of the air supply pressure control unit (21) and the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15). ), The specified exhaust air pressure (Pb) for the exhaust air pressure regulator (23)
The general controller (13) is equipped with an exhaust air pressure setting unit (24) for changing and adjusting s).
つまり、給気ダンパ（11）、給気量制御器（14）、及
び、前記の給気風路圧制御部（21）から構成される給気
出力制御部（25）の給気出力調整情報の一つとしての、
給気風路圧制御部（21）の給気風路圧調整情報（Pas）
と、排気ダンパ（15）の開度情報（b1，b2，b3）とに基
づいて、排気ダンパ（15）の開度状態（b1，b2，b3）を
上記の排気側適合開度状態（Ｂ）に維持するように、主
排気風路（４）の排気風路圧（Pb）を調整する排気風路
圧制御部（26）を、上記の排気風路圧調整器（23）と排
気風路圧設定部（24）とをもって構成してあり、このよ
うに主排気風路（４）の排気風路圧調整をもって排気ダ
ンパ（15）の開度状態（b1，b2，b3）を上記の排気側適
合開度状態（Ｂ）に調整維持することにより、給気側と
同様、各排気ダンパ（15）の開度調整による通風量調整
の調整精度を高く維持するとともに、排気ダンパ（15）
の通風抵抗を小さくして排気ファン（10）の消費動力を
節減するようにしてある。That is, the air supply damper (11), the air supply amount controller (14), and the air supply output adjustment information of the air supply output control unit (25) composed of the air supply air pressure control unit (21). As one,
Supply air pressure control information (Pas) of the supply air pressure controller (21)
And the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) based on the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15). The exhaust air pressure controller (26) for adjusting the exhaust air pressure (Pb) of the main exhaust air path (4) so as to maintain the appropriate opening state (B) is provided by the exhaust air pressure regulator. (23) and the exhaust air passage pressure setting section (24). Thus, the exhaust air passage pressure of the main exhaust air passage (4) is adjusted and the opening degree of the exhaust damper (15) (b 1 , By adjusting and maintaining b 2 , b 3 ) in the above-mentioned exhaust side compatible opening state (B), the adjustment accuracy of the ventilation amount adjustment by adjusting the opening degree of each exhaust damper (15) can be increased as in the case of the air supply side. Maintain and exhaust damper (15)
To reduce power consumption of the exhaust fan (10).
排気風路圧制御部（26）における排気風路圧設定部
（24）は、予め設定された第２図に示す如き、給気風路
圧指定値（Pas）の変化に対する排気風路圧指定値（Pb
s）の変更則（Ｌ）従って、給気風路圧制御部（21）の
給気風路圧調整情報（Pas）（具体的には給気風路圧設
定部（20）の給気風路圧指定値（Pas））に基づき、給
気風路圧指定値（Pas）の増減に応じ排気風路圧指定値
（Pbs）を増減させる基本制御と、その基本制御におけ
る上記変更則（Ｌ）を排気ダンパ（15）の開度情報
（b1，b2，b3）に基づいて後述の如く図中矢印（ｍ）で
示す側、ないし矢印（ｎ）で示す側へ補正する補正制御
とを実行する構成としてある。An exhaust air path pressure setting section (24) in the exhaust air path pressure control section (26) includes an exhaust air path pressure specification value (Pas) corresponding to a preset change in the supply air path pressure specification value as shown in FIG. (Pb
s), the supply air pressure control information (Pas) of the air supply pressure control unit (21) (specifically, the supply air pressure designation value of the air supply pressure setting unit (20)) (Pas)), the basic control for increasing / decreasing the exhaust air path pressure designated value (Pbs) in accordance with the increase / decrease of the supply air path pressure designated value (Pas), and the above-mentioned change rule (L) in the basic control are defined by the exhaust damper A configuration for executing correction control for correcting the side indicated by the arrow (m) or the side indicated by the arrow (n) in the figure based on the opening degree information (b 1 , b 2 , b 3 ) of 15) as described later. There is.
そして、上記基本制御における変更則（Ｌ）の設定に
ついては、給気量指定値（qs）の変更による対象室
（１）に対する給気量変更に対し、給気量制御器（14）
により開度調整される給気ダンパ（11）の開度状態
（a1，a2，a3）を前記の給気側適合開度状態（Ａ）に維
持するのに要する給気風路圧（Pa）の変更調整と、その
給気量変更に対して対象室（１）内外の差圧（ｐ）を指
定値（ps）に維持し、かつ室圧制御器（17）による排気
ダンパ（15）の開度変更を抑制して排気ダンパ（15）の
開度状態（b1，b2，b3）を前記の排気側適合開度状態
（Ｂ）に維持するのに要する排気風路圧（Pb）の変更調
整との間に存在する特定の相関関係、具体的には、給気
ダンパ（11）の開度状態（a1，a2，a3）を前記の給気側
適合開度状態（Ａ）に維持するようにしながらの給気量
（ｑ）の増大変更に伴う給気風路圧（Pa）の上昇に対し
ては、対象室（１）内外の差圧（ｐ）を指定値（ps）に
維持し、かつ室圧制御器（17）による排気ダンパ（15）
の開度変更を抑制するのに排気風路圧（Pb）の低下が必
要となり、又、給気ダンパ（11）の開度状態（a1，a2，
a3）を前記の給気側適合開度状態（Ａ）に維持するよう
にしながらの給気量（ｑ）の減少変更に伴う給気風路圧
（Pa）の低下に対しては、逆に排気風路圧（Pb）の上昇
が必要となるという形態の特定相関関係に着目して、こ
の特定相関関係に基づき上記の変更則（Ｌ）を設定して
ある。As for the setting of the change rule (L) in the basic control, the air supply amount controller (14) responds to a change in the air supply amount to the target room (1) by changing the air supply amount designation value (qs).
The air supply path pressure required to maintain the opening degree (a 1 , a 2 , a 3 ) of the air supply damper (11) whose opening degree is adjusted to the above-mentioned air supply side compatible opening state (A) ( Pa), the pressure difference (p) between the inside and outside of the target chamber (1) is maintained at a specified value (ps) in response to the change in the air supply amount, and the exhaust damper (15) is controlled by the room pressure controller (17). ), And the exhaust air path pressure required to maintain the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) in the above-mentioned exhaust side compatible opening state (B). The specific correlation existing between the adjustment and the adjustment of (Pb), specifically, the opening degree (a 1 , a 2 , a 3 ) of the air supply damper (11) is changed to the above-described air supply side adaptive opening. With respect to an increase in the supply air path pressure (Pa) accompanying an increase in the supply amount (q) while maintaining the degree state (A), the differential pressure (p) between the inside and outside of the target chamber (1) is changed. Maintain the specified value (ps) and room pressure controller 17) by the exhaust damper (15)
It is necessary to reduce the exhaust air pressure (Pb) in order to suppress the change in the opening degree of the intake air, and the opening state (a 1 , a 2 ,
a 3 ) is maintained in the above-described supply-side appropriate opening degree state (A). Paying attention to a specific correlation in a form in which the exhaust air path pressure (Pb) needs to be increased, the above-described change rule (L) is set based on the specific correlation.
又、補正制御については、排気ダンパ（15）の開度情
報（b1，b2，b3）に基づき、排気ダンパ（15）の開度状
態（b1，b2，b3）が前記の排気側適合開度状態（Ｂ）を
開き側に逸脱する状態となるのに対し、基本制御におけ
る変更則（Ｌ）を図中矢印（ｍ）で示す側へ逐次変更補
正し、又、排気ダンパ（15）の開度状態（b1，b2，b3）
が前記の排気側適合開度状態（Ｂ）を閉じ側に逸脱する
状態となるのに対し、基本制御における変更則（Ｌ）を
図中矢印（ｎ）で示す側へ逐次変更補正するように、排
気風路圧設定部（24）を構成してある。In the correction control, based on the opening information (b 1 , b 2 , b 3 ) of the exhaust damper (15), the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) is set as described above. The state (B) deviates from the exhaust-side suitable opening degree state (B) to the opening side, while the change rule (L) in the basic control is sequentially changed and corrected to the side indicated by the arrow (m) in the figure. damper opening condition of (15) (b 1, b 2, b 3)
Is deviated from the above-mentioned exhaust side compatible opening degree state (B) to the closing side, while the change rule (L) in the basic control is sequentially changed and corrected to the side indicated by the arrow (n) in the figure. And an exhaust air passage pressure setting unit (24).
つまり、排気ダンパ（15）の開度状態（b1，b2，b3）
を前記の排気側適合開度状態（Ｂ）に維持するための主
排気風路（４）の排気風路圧調整において、給気出力調
整情報の一つとしての給気風路圧制御部（21）の給気風
路圧調整情報（Pas）に基づく上記基本制御を実行させ
ることより、排気ダンパ（15）の開度情報（b1，b2，
b3）のみに基づく給気側と同形態の排気風路圧調整を行
わせるに比べ、給気量変更に対する排気側制御の追従に
おいて、排気ダンパ（15）の開度変動を抑制するととも
に、排気側制御が再び安定するまでの時間を短縮し、こ
れによって、対象室（１）に対する室圧制御の安定化及
び精度向上を図ってある。That is, the opening state of the exhaust damper (15) (b 1, b 2, b 3)
In the exhaust air path pressure adjustment of the main exhaust air path (4) for maintaining the exhaust side compatible opening degree state (B), the supply air path pressure control unit (21) as one of the air supply output adjustment information. ), The opening degree information (b 1 , b 2 ,...) Of the exhaust damper (15) is executed by executing the basic control based on the supply air path pressure adjustment information (Pas)
b 3 ) The exhaust air path pressure is adjusted in the same manner as the air supply side based only on the air supply side. In contrast, the change of the opening degree of the exhaust damper (15) is suppressed in The time until the exhaust-side control stabilizes again is shortened, thereby stabilizing the chamber pressure control and improving the accuracy of the target chamber (1).
又、主排気風路（４）の排気風路圧調整において、上
記の基本制御とともに、排気ダンパ（15）の開度情報
（b1，b2，b3）に基づく上記補正制御を実行させること
により、基本制御において、仮に、排気ダンパ（15）の
開度状態（b1，b2，b3）が前記の排気側適合開度状態
（Ｂ）から外れることとなったとしても、上記補正制御
により、基本制御における変更則（Ｌ）を変更補正する
ことで、排気ダンパ（15）の開度状態（b1，b2，b3）を
前記の排気側適合開度状態（Ｂ）に確実に戻すととも
に、その後の基本制御において排気ダンパ（15）の開度
状態（b1，b2，b3）が前記の排気側適合開度状態（Ｂ）
から外れることがないように基本制御を自動的に適正化
できるようにしてある。In adjusting the exhaust air path pressure of the main exhaust air path (4), the above-described correction control based on the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15) is executed together with the above basic control. Accordingly, in the basic control, even if the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) deviates from the exhaust side compatible opening state (B), By changing and correcting the change rule (L) in the basic control by the correction control, the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) is changed to the above-mentioned exhaust-side compatible opening state (B). And the opening state (b 1 , b 2 , b 3 ) of the exhaust damper (15) is changed to the exhaust side compatible opening state (B) in the subsequent basic control.
The basic control can be automatically optimized so as not to deviate from the basic control.
次に別実施例を列記する。 Next, another embodiment will be described.
（１）前述実施例においては、対象室（１）が複数の場
合を示したが、対象室（１）は一室であってもよい。(1) In the above-described embodiment, the case where there are a plurality of target rooms (1) has been described, but the number of target rooms (1) may be one.
（２）排気風路圧調整において採用する給気出力調整情
報は、給気ダンパ（11）の開度状態（a1，a2，a3）を所
定の給気側適合開度状態（Ａ）に維持するための給気風
路圧調整の調整情報に限定されるものではなく、給気ダ
ンパ（11）の開度調整情報や、給気ファン（９）の出力
調整情報等、給気出力調整に関する種々の給気側調整情
報を採用できる。(2) The air supply output adjustment information employed in the exhaust air path pressure adjustment is obtained by changing the opening degree (a 1 , a 2 , a 3 ) of the air supply damper (11) to a predetermined air supply side appropriate opening degree (A The air supply output is not limited to the adjustment information of the air supply path pressure adjustment for maintaining the air supply output pressure, such as the opening degree adjustment information of the air supply damper (11) and the output adjustment information of the air supply fan (9). Various air supply side adjustment information regarding the adjustment can be adopted.
（３）給気出力情報と排気ダンパ（15）の開度情報
（b1，b2，b3）とに基づく排気風路圧調整を実行させる
構成とする場合、前述実施例の如く、給気出力情報に基
づく基本制御と、排気ダンパ（15）の開度情報（b1，
b2，b3）に基づく補正制御とを実行させるに代えて、例
えば、給気出力情報と排気ダンパ（15）の開度情報
（b1，b2，b3）との両者と相関関係を有する制御指標を
設定し、そして、この制御指標に応じて排気風路圧を変
更調整するという調整形態を採用してもよく、給気出力
情報と排気ダンパ（15）の開度情報（b1，b2，b3）とに
基づいて実行させる排気風路圧調整の具体的調整形態は
種々の変更が可能である。(3) In a configuration in which the exhaust air path pressure is adjusted based on the supply air output information and the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15), as in the above embodiment, The basic control based on the air output information and the opening degree information (b 1 ,
Instead of executing the correction control based on b 2 , b 3 ), for example, the correlation between both the supply air output information and the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15) An adjustment mode may be adopted in which a control index having the following is set and the exhaust air path pressure is changed and adjusted according to the control index. The air supply output information and the opening degree information (b) of the exhaust damper (15) may be adopted. 1, specific adjustment form of b 2, b 3) and the exhaust air passage pressure adjustment to be executed based on the various modifications are possible.
（４）前述実施例の如く、給気出力情報と排気ダンパ
（15）の開度情報（b1，b2，b3）とに基づく排気風路圧
調整を実行させる構成とするに代えて、給気出力情報に
基づく排気風路圧調整のみを実施する構成としてもよ
い。(4) Instead of a configuration in which the exhaust air path pressure is adjusted based on the air supply output information and the opening degree information (b 1 , b 2 , b 3 ) of the exhaust damper (15) as in the above-described embodiment. Alternatively, only the exhaust air path pressure adjustment based on the supply air output information may be performed.
（５）本発明の実施にあたり、給気構成及び排気構成は
夫々種々の構成変更が可能である。(5) In implementing the present invention, the air supply configuration and the exhaust configuration can be variously changed, respectively.
（６）排気側適合開度状態（Ｂ）、及び、給気側適合開
度状態（Ａ）の夫々を、どのような開度状態に設定する
かは適宜設計変更が可能である。(6) Each of the exhaust-side compatible opening degree state (B) and the supply-side compatible opening degree state (A) can be appropriately designed and changed to what opening state.
尚、特許請求の範囲の項に図面との対照を便利にする
為に符号を記すが、該記入により本発明が添付図面の構
成に限定されるものではない。In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the configuration of the attached drawings.
第１図及び第２図は本発明の実施例を示し、第１図は設
備構成図、第２図は排気風路圧の調整形態を説明するグ
ラフである。 第３図は従来例を示す設備構成図である。 （１）……対象室、（２）……主給気風路、（３）……
分岐給気風路、（４）……主排気風路、（５）……分岐
排気風路、（11）……給気ダンパ、（14）……給気量制
御手段、（15）……排気ダンパ、（17）……室圧制御手
段、（21）……給気風路圧制御手段、（25）……給気出
力制御手段、（26）……排気風路圧制御手段、（a1，
a2，a3）……開度状態、（b1，b2，b3）……開度状態，
開度情報、（amax），（bmax）……開度、（Ａ）……給
気側適合開度状態、（Ｂ）……排気側適合開度状態、
（Pa）……給気風路圧（給気出力）、（Pb）……排気風
路圧、（Pas）……給気風路圧調整情報（給気出力調整
情報）、（Ｌ）……変更則、（ｑ）……給気量、（qs）
……設定値。FIGS. 1 and 2 show an embodiment of the present invention. FIG. 1 is a diagram showing an equipment configuration, and FIG. 2 is a graph for explaining a form of adjusting an exhaust air passage pressure. FIG. 3 is an equipment configuration diagram showing a conventional example. (1) ... target room, (2) ... main air supply path, (3) ...
Branch air supply path (4) Main exhaust air path (5) Branch exhaust air path (11) Air supply damper (14) Air supply amount control means (15) Exhaust damper, (17) ... chamber pressure control means, (21) ... supply air path pressure control means, (25) ... supply air output control means, (26) ... exhaust air path pressure control means, (a) 1 ,
a 2 , a 3 ): Opening state, (b 1 , b 2 , b 3 ): Opening state,
Opening information, (a max ), (b max ): Opening degree, (A): Supply side compatible opening state, (B): Exhaust side compatible opening state,
(Pa)… Air supply air pressure (air supply output), (Pb)… exhaust air pressure, (Pas)… Supply air pressure adjustment information (air supply output adjustment information), (L)… change Rule, (q) ... Air supply, (qs)
...... Set value.
Claims (6)
給気出力制御手段（25）と、 前記対象室（１）に対する排気ダンパ（15）の開度調整
により前記対象室（１）の給排気量収支を調整して、前
記対象室（１）の室圧状態を所定の室圧状態に調整する
室圧制御手段（17）と、 その室圧制御手段（17）により開度調整される前記排気
ダンパ（15）の開度状態（b1，b2，b3）を所定の排気側
適合開度状態（Ｂ）に維持するように、前記排気ダンパ
（15）よりも下流側の排気風路圧（Pb）を調整する排気
風路圧制御手段（26）とを、 備える室圧制御換気設備であって、 前記排気風路圧制御手段（26）が、その排気風路圧調整
において、前記給気出力制御手段（25）の給気出力調整
情報（Pas）に基づく調整を実行するように構成されて
いる室圧制御換気設備。An air supply output control means (25) for adjusting an air supply output to an object room (1), and an opening degree of an exhaust damper (15) to the object room (1) is adjusted by controlling an opening degree of the object room (1). Pressure control means (17) for adjusting the supply / exhaust amount balance of the target chamber to adjust the chamber pressure state of the target chamber (1) to a predetermined chamber pressure state, and opening degree adjustment by the chamber pressure control means (17) Downstream of the exhaust damper (15) so that the opening degree state (b 1 , b 2 , b 3 ) of the exhaust damper (15) is maintained at a predetermined exhaust side compatible opening state (B). Exhaust air path pressure control means (26) for adjusting the exhaust air path pressure (Pb) of the room pressure controlled ventilation equipment, wherein the exhaust air path pressure control means (26) In the adjustment, a room pressure control conversion configured to execute the adjustment based on the air supply output adjustment information (Pas) of the air supply output control means (25). Equipment.
気風路圧調整において、前記給気出力制御手段（25）の
給気出力調整情報（Pas）と前記排気ダンパ（15）の開
度情報（b1，b2，b3）とに基づく調整を実行するように
構成されている請求項１記載の室圧制御換気設備。The exhaust air pressure control means (26) adjusts the exhaust air pressure according to supply air output adjustment information (Pas) of the air supply output control means (25) and the exhaust damper (15). opening information (b 1, b 2, b 3) and adjusting the configured room pressure controlling ventilation according to claim 1, wherein are to run based on the.
s）に基づき、給気出力（Pa）の増減に応じて排気風路
圧（Pb）を増減させる基本制御と、 その基本制御における、給気出力（Pa）の変化に対する
排気風路圧（Pb）の変更則（Ｌ）を前記排気ダンパ（1
5）の開度情報（b1，b2，b3）に基づき補正する補正制
御とを、 実行するように構成されている請求項２記載の室圧制御
換気設備。3. An exhaust air pressure control means (26) comprising: an air supply output adjustment information (Pa) of the air supply output control means (25);
s), the basic control for increasing or decreasing the exhaust air path pressure (Pb) according to the increase or decrease of the air supply output (Pa), and the exhaust air path pressure (Pb) for the change of the air supply output (Pa) in the basic control. ) Is changed to the exhaust damper (1).
5) opening information (b 1 a, b 2, b 3 and a correction control for correcting on the basis of) the chamber pressure control ventilation according to claim 2, characterized in that is configured to run.
に維持するように、前記対象室（１）に対する給気ダン
パ（11）を開度調整する給気量制御手段（14）と、 その給気量制御手段（14）により開度調整される前記給
気ダンパ（11）の開度状態（a1，a2，a3）を所定の給気
側適合開度状態（Ａ）に維持するように、前記給気ダン
パ（11）よりも上流側の給気風路圧（Pa）を調整する給
気風路圧制御手段（21）とを、 備え、 前記排気風路圧制御手段（26）が、その排気風路圧調整
において用いる前記給気出力制御手段（25）の給気出力
調整情報として、前記給気風路圧制御手段（21）の給気
風路圧調整情報（Pas）を採用するように構成されてい
る請求項１、２又は３のいづれかに記載の室圧制御換気
設備。4. The air supply output control means (25) sets an air supply amount (q) to the target chamber (1) to a set value (qs).
Air supply control means (14) for adjusting the opening degree of the air supply damper (11) to the target chamber (1) so as to maintain the opening degree, and the opening degree is adjusted by the air supply amount control means (14). The upstream side of the air supply damper (11) so as to maintain the opening degree state (a 1 , a 2 , a 3 ) of the air supply damper (11) in a predetermined air supply side compatible opening state (A). And a supply air pressure control means (21) for adjusting the supply air pressure (Pa) of the air supply pressure, wherein the exhaust air pressure control means (26) is used in the exhaust air pressure adjustment. The air supply pressure adjustment information (Pas) of the air supply pressure control means (21) is adopted as the air supply output adjustment information of the means (25). The room pressure control ventilation equipment as described in.
る分岐排気風路（５）の夫々に、前記排気ダンパ（15）
が介装され、 前記排気風路圧制御手段（26）が、その排気風路圧調整
において、前記排気ダンパ（15）のうちで最大開度のも
のの開度（bmax）が設定中間開度範囲内にある状態を前
記の排気側適合開度状態（Ｂ）とし、かつ、前記主排気
風路（４）の排気風路圧（Pb）を調整対象とするように
構成されている請求項１、２、３又は４のいづれかに記
載の室圧制御換気設備。5. An exhaust damper, comprising: a plurality of target chambers (1); and a branch exhaust air path (5) connecting each of the target chambers (1) and a main exhaust air path (4). (15)
The exhaust air pressure control means (26) adjusts the opening (b max ) of the exhaust damper (15) having the maximum opening to the set intermediate opening in the adjustment of the exhaust air pressure. The exhaust gas path pressure (Pb) of the main exhaust air path (4) is set as an object to be adjusted when the state within the range is the exhaust side compatible opening degree state (B). The room pressure controlled ventilation system according to any one of 1, 2, 3, and 4.
路（２）とを接続する分岐給気風路（３）の夫々に、前
記給気ダンパ（11）が介装され、 前記給気風路圧制御手段（21）が、その給気風路圧調整
において、前記給気ダンパ（11）のうちで最大開度のも
のの開度（amax）が設定中間開度範囲内にある状態を前
記の給気側適合開度状態（Ａ）とし、かつ、前記主給気
風路（２）の給気風路圧（Pa）を調整対象とするように
構成されている請求項４又は５に記載の室圧制御換気設
備。6. The air supply damper (11) is interposed in each of the branch air supply paths (3) connecting each of the plurality of target chambers (1) and the main air supply path (2), The supply air path pressure control means (21) adjusts the supply air path pressure so that the opening (a max ) of the supply air damper (11) having the maximum opening is within the set intermediate opening range. 6. The air supply side opening degree state (A) is set as the state, and the air supply path pressure (Pa) of the main air supply path (2) is configured to be adjusted. The room pressure control ventilation equipment as described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2296286A JP2895950B2 (en) | 1990-10-31 | 1990-10-31 | Room pressure control ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2296286A JP2895950B2 (en) | 1990-10-31 | 1990-10-31 | Room pressure control ventilation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04169728A JPH04169728A (en) | 1992-06-17 |
| JP2895950B2 true JP2895950B2 (en) | 1999-05-31 |
Family
ID=17831597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2296286A Expired - Fee Related JP2895950B2 (en) | 1990-10-31 | 1990-10-31 | Room pressure control ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2895950B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5027552B2 (en) * | 2007-04-16 | 2012-09-19 | 株式会社大気社 | Ventilation system |
-
1990
- 1990-10-31 JP JP2296286A patent/JP2895950B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04169728A (en) | 1992-06-17 |
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