JPH0910530A - Air cleaner - Google Patents
Air cleanerInfo
- Publication number
- JPH0910530A JPH0910530A JP7188686A JP18868695A JPH0910530A JP H0910530 A JPH0910530 A JP H0910530A JP 7188686 A JP7188686 A JP 7188686A JP 18868695 A JP18868695 A JP 18868695A JP H0910530 A JPH0910530 A JP H0910530A
- Authority
- JP
- Japan
- Prior art keywords
- air
- filter
- slit
- outlet face
- face
- 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
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、エアーカーテン機構を
有するクリーンベンチ、クリーンブース、天井埋込形空
気吹出装置等の空気清浄化装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaning device such as a clean bench having an air curtain mechanism, a clean booth, and a ceiling-embedded air blowing device.
【０００２】[0002]
【従来の技術】従来のエアカーテン機構を有する空気清
浄化装置では、例えば、図２に示すように、循環エア２
１とエアカーテン２２のそれぞれにフィルタ２３および
ファン２４ならびにフィルタ２５およびファン２６が組
み込まれているため、フィルタおよびファンの設置スペ
ース増大と同時にコスト上昇の問題がある。また、特開
昭６０−２１３７５３号公報及び特公昭６１−５７１５
７号公報には、一対のファン、フィルタを組み込んだも
ので、吹出面にパンチング板部とスリット部を設け、ス
リット部からのエアカーテンにより低速空気流の拡散を
防止し、清浄化効率を向上させたものが開示されてい
る。特に、後者については、図３に示すように構成され
た清浄作業台において、多孔板により形成され、清浄空
気を作業空間２７に供給する空気流通抵抗増加手段２８
の流通抵抗は、エアカーテン吹出口２９から吹き出され
るエアカーテンの風速と作業空間２７内の風速との比率
が望ましくは１．５／０．４になるように選択されてい
る。図３において、３０はファン、３１はフィルタ、３
２は照明手段を示す。2. Description of the Related Art In a conventional air cleaning device having an air curtain mechanism, for example, as shown in FIG.
Since the filter 23 and the fan 24 and the filter 25 and the fan 26 are incorporated in each of 1 and the air curtain 22, there is a problem that the installation space of the filter and the fan is increased and the cost is increased. Further, JP-A-60-213753 and JP-B-61-5715.
Japanese Patent No. 7 has a pair of fans and a filter incorporated therein, and is provided with a punching plate portion and a slit portion on the blowing surface, and an air curtain from the slit portion prevents diffusion of a low-speed air flow to improve cleaning efficiency. This is disclosed. Particularly, in the latter case, in the cleaning workbench configured as shown in FIG. 3, an air flow resistance increasing means 28 formed of a perforated plate and supplying clean air to the work space 27.
The flow resistance is selected such that the ratio of the wind velocity of the air curtain blown out from the air curtain outlet 29 to the wind velocity in the working space 27 is preferably 1.5 / 0.4. In FIG. 3, 30 is a fan, 31 is a filter, 3
Reference numeral 2 indicates a lighting means.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記特開昭
６０−２１３７５３号及び特公昭６１−５７１５７号で
は、該スリット部から吹き出される空気の吹出風速は該
パンチング板部から吹き出される空気の吹出風速に対し
て数倍程度にしかならないため、エアカーテン効果（空
気流により外部と隔離すること）が悪いという不都合が
ある。本発明の目的は、エアカーテン効果に優れると共
に、フィルタとファンとの設置スペースの省スペース化
とランニングコストの低減が図れる空気清浄化装置を提
供することにある。However, in JP-A-60-213753 and JP-B-61-57157, the blowing speed of the air blown from the slit portion is the same as that of the air blown from the punching plate portion. There is a disadvantage that the air curtain effect (isolation from the outside by the air flow) is poor because it is only about several times the blowing air speed. An object of the present invention is to provide an air purifying device which is excellent in the air curtain effect and which can save the installation space for the filter and the fan and reduce the running cost.
【０００４】[0004]
【課題を解決するための手段】本発明の空気清浄化装置
は、上記目的を達成すべく、フィルタと前記フィルタに
送風するよう配設されたファンとを一対備え、下面に吹
出口を備え、前記吹出口が少なくとも２種類の通風抵抗
係数が異なる吹出口フェイスにより構成される空気清浄
化装置において、パンチング板を有する通風抵抗係数が
大きい方の吹出口フェイスの上流側でかつ前記フィルタ
の下流側に通気口を有するバッフル板を設け、また、通
風抵抗係数が小さい方の吹出口フェイスにはスリットを
設けたことを特徴とする。前記スリットと前記通気口と
の開口面積比が０．５〜２の範囲内にあることが好まし
い。また、前記スリットと前記通気口との開口面積比が
１の時、前記通風抵抗係数が大きい方の吹出口フェイス
と前記通気口との開口面積比が４〜１０の範囲内にある
ことが望ましい。前記通気口の下流側でかつ前記通風抵
抗係数が大きい方の吹出口フェイスの上流側にバッフル
板用パンチング板を設けることが望ましい。In order to achieve the above object, an air purifying apparatus of the present invention comprises a pair of a filter and a fan arranged to blow air to the filter, and an air outlet on a lower surface, In the air cleaning device in which the air outlet is composed of at least two types of air outlet faces having different airflow resistance coefficients, the airflow upstream side of the airflow outlet face having a large airflow resistance coefficient having a punching plate and the downstream side of the filter. It is characterized in that a baffle plate having a ventilation hole is provided in the air outlet and a slit is provided in the air outlet face having a smaller ventilation resistance coefficient. It is preferable that the opening area ratio of the slits to the vent holes is in the range of 0.5 to 2. Further, when the opening area ratio between the slit and the vent is 1, it is preferable that the opening area ratio between the air outlet face having the larger ventilation resistance coefficient and the vent is within a range of 4 to 10. . It is desirable to provide a punching plate for a baffle plate on the downstream side of the vent hole and on the upstream side of the outlet face having the larger ventilation resistance coefficient.
【０００５】[0005]
【作用】本発明の空気清浄化装置によれば、パンチング
板を有する通風抵抗係数が大きい方の吹出口フェイス
（以下、高抵抗吹出口フェイスという。）の上流側でか
つフィルタの下流側の所定位置に通気口を有するバッフ
ル板を設け、また、通風抵抗係数が小さい方の吹出口フ
ェイス（以下、低抵抗吹出口フェイスという。）にスリ
ットを設けて、スリットと通気口との開口面積比を調整
することにより、スリットと通気口とを通過する空気の
風量を調整することができるようにしてある。そのた
め、通気口を経て高抵抗吹出口フェイスから吹き出され
る空気の吹出風速を調整することができるので、エアカ
ーテン効果が向上する。According to the air purifying apparatus of the present invention, the predetermined value is provided on the upstream side of the air outlet face having a large draft resistance coefficient having the punching plate (hereinafter referred to as the high resistance air outlet face) and on the downstream side of the filter. A baffle plate having a ventilation hole is provided at the position, and a slit is provided on the air outlet face with a smaller ventilation resistance coefficient (hereinafter referred to as the low resistance air outlet face) to determine the opening area ratio between the slit and the ventilation port. By adjusting, the air volume of the air passing through the slit and the vent can be adjusted. Therefore, it is possible to adjust the blowing speed of the air blown from the high-resistance blowout face through the ventilation hole, so that the air curtain effect is improved.
【０００６】また、スリットと通気口との開口面積比を
０．５〜２の範囲とし、また、スリットと通気口との開
口面積比が１の時、高抵抗吹出口フェイスと通気口との
開口面積比を４〜１０の範囲としたのは、低抵抗吹出口
フィエスからの空気の吹出風速を高抵抗吹出フェイスか
らの空気の吹出風速に対して１０倍程度にすることがで
きるため、充分なエアカーテン効果が得られるからであ
る。これらの開口面積比がそれぞれの範囲を外れると、
即ち、下限値未満だと低抵抗吹出口フェイスからの空気
の吹出風速が高抵抗吹出口からの空気の吹出風速の数倍
程度にしかならず、エアカーテン効果が劣ることにな
り、また、上限値を超えると低抵抗吹出口フェイスから
の空気の吹出風速が遅くなり過ぎ実用的でないからであ
る。Further, when the opening area ratio between the slit and the vent is in the range of 0.5 to 2, and when the opening area ratio between the slit and the vent is 1, the high resistance outlet face and the vent are formed. The reason why the opening area ratio is in the range of 4 to 10 is that the air velocity of the air blown from the low resistance air outlet Fies can be set to about 10 times the air velocity of the air blown from the high resistance air outlet face. This is because such an air curtain effect can be obtained. When these opening area ratios are out of the respective ranges,
That is, if it is less than the lower limit value, the blowing air speed of the air from the low resistance outlet face is only about several times the blowing air speed of the air from the high resistance outlet, and the air curtain effect is inferior. This is because if it exceeds, the air velocity of the air blown out from the low resistance air outlet face becomes too slow and not practical.
【０００７】また、通気口の下流側でかつ高抵抗吹出口
フェイスの上流側の所定位置に整風板としてのバッフル
板用パンチング板を設けることにより、通風口からの空
気の流れの速度分布が均一化されるため、高抵抗吹出口
フェイスから吹き出される空気の風速のバラツキが改良
されるので、良好なエアカーテン効果が得られる。な
お、低抵抗吹出口フェイスより吹き出されるエアカーテ
ンは充分な風速を有しているので、高抵抗吹出口フェイ
スより吹き出される清浄化空気を拡散することなく遮断
できる。Further, by providing a punching plate for a baffle plate as a rectifying plate at a predetermined position on the downstream side of the ventilation port and on the upstream side of the high resistance air outlet face, the velocity distribution of the air flow from the ventilation port is uniform. Since the variation in the wind speed of the air blown out from the high resistance air outlet face is improved, a good air curtain effect can be obtained. Since the air curtain blown out from the low resistance blowout face has a sufficient wind speed, the clean air blown out from the high resistance blowout face can be blocked without diffusing.
【０００８】[0008]
【実施例】図１は本発明に係る天井埋込形空気清浄化装
置の一実施例の断面図である。天井埋込形空気清浄化装
置は、ケーシング１内にフィルタ２とファン３を一対内
蔵し、下面に吹出口を備え、この下面が天井板４と同一
面を形成するように設置される。該吹出口は、パンチン
グ板５を（孔の占める全面積５０％）を有する高抵抗吹
出口フェイス６ａ（開口面積３２５，０００ｍｍ2 ）と
スリット７を有する低抵抗吹出口フェイス６ｂとから成
り、高抵抗吹出口フェイス６ａの上流側で該吹出口フェ
イス６ａから所定間隔（ｈ1 ＝５０ｍｍ）で、かつ、該
フィルタ２の下面から所定間隔（ｈ2 ＝３０ｍｍ）の位
置にバッフル板８を設けると共に、該バッフル板８の中
央に２５×１３００ｍｍ、開口面積（Ａ）３２，５００
ｍｍ2 の通気口９を設け、該バッフル板８の下流側にそ
のバッフル板８から所定間隔（Ｈ＝３０ｍｍ）をあけて
バッフル板用パンチング板１０（開口面積１６，２５０
ｍｍ2 ）を設けている。尚、スリット７は２５×１３０
０ｍｍ、開口面積（Ｂ）３２，５００ｍｍ2 である。か
くして、低抵抗吹出口フェイス６ｂから３ｍ／ｓの高速
流が吹き出され、高抵抗吹出口フェイス６ａから０．３
ｍ／ｓの低速流が吹き出されるようになっている。1 is a sectional view of an embodiment of a ceiling-embedded air cleaning device according to the present invention. The ceiling-embedded air cleaning device has a pair of a filter 2 and a fan 3 built in a casing 1, a blowout port on the lower surface, and the lower surface is installed so as to be flush with the ceiling plate 4. The outlet comprises a high resistance outlet face 6a (opening area 325,000 mm 2 ) having a punching plate 5 (total area occupied by holes: 50%) and a low resistance outlet face 6b having a slit 7, A baffle plate 8 is provided on the upstream side of the resistance outlet face 6a at a predetermined distance (h 1 = 50 mm) from the outlet face 6a and at a predetermined distance (h 2 = 30 mm) from the lower surface of the filter 2. , 25 × 1300 mm at the center of the baffle plate 8 and opening area (A) 32,500
A vent hole 9 of mm 2 is provided, and a punching plate 10 for baffle plate (opening area 16,250 is provided on the downstream side of the baffle plate 8 with a predetermined distance (H = 30 mm) from the baffle plate 8).
mm 2 ) is provided. The slit 7 is 25 × 130
It is 0 mm and the opening area (B) is 32,500 mm 2 . Thus, a high-speed flow of 3 m / s is blown out from the low-resistance air outlet face 6b, and the high-resistance air outlet face 6a causes 0.3 m / s.
A low-speed flow of m / s is blown out.
【０００９】ケーシング１の吸気口１１から導かれた空
気は、ファン３によりフィルタ２を通して各吹出口フェ
イス６ａおよび６ｂへ導かれる。この際に、低抵抗吹出
口フェイス６ｂでは、抵抗が小さく、スリット７へ空気
が容易に導かれるため、上記したように吹出口フェイス
６ｂから高速流が吹き出される。これに対して、高抵抗
吹出口フェイス６ａでは、空気はまずバッフル板８の通
気口９に導かれ、次いでバッフル板用パンチング板１０
そしてパンチング板５のような抵抗体を通して導かれる
ため、上記したように、該吹出口フェイス６ａからは、
該吹出口６ｂの場合のほぼ１／１０の低速流が吹き出さ
れる。上記実施例において、該バッフル板用パンチング
板１０を設けなかった場合には、高抵抗吹出側フェイス
６ａから吹き出される空気の風速にややバラツキが生じ
たが、両吹出口フェイスからの吹出風速の比率は上記の
場合とほぼ同じであった。The air introduced from the intake port 11 of the casing 1 is introduced by the fan 3 through the filter 2 into the respective outlet face 6a and 6b. At this time, in the low resistance outlet face 6b, the resistance is small and the air is easily guided to the slit 7, so that the high speed flow is blown out from the outlet face 6b as described above. On the other hand, in the high resistance outlet face 6a, the air is first guided to the vent holes 9 of the baffle plate 8 and then the punching plate 10 for the baffle plate.
Since it is guided through a resistor such as the punching plate 5, as described above, from the outlet face 6a,
The low-speed flow of about 1/10 of the case of the outlet 6b is blown out. In the above embodiment, when the punching plate 10 for the baffle plate was not provided, the wind speed of the air blown out from the high-resistance blowout side face 6a was slightly varied, but the blowout air speeds from both blowout face were changed. The ratio was almost the same as the above case.
【００１０】[0010]
【発明の効果】本発明の空気清浄化装置によれば、スリ
ットと通気口との開口面積を調整することにより、スリ
ットの低抵抗吹出口フェイスからの吹出風速を高抵抗吹
出口フェイスからの吹出風速の１０倍程度まで自在に調
整できるため、エアカーテン効果に優れる。また、ファ
ン、フィルタは一対ですむことから、省スペース化とラ
ンニングコストの低減が図れる。According to the air purifying apparatus of the present invention, by adjusting the opening area of the slit and the vent, the blowing speed from the low resistance outlet face of the slit is controlled to be the blowing air speed from the high resistance outlet face. The air curtain effect is excellent because it can be freely adjusted up to about 10 times the wind speed. Moreover, since only one fan and one filter are required, it is possible to save space and reduce running costs.
【図１】本発明の空気清浄化装置の一実施例を示す断面
図FIG. 1 is a sectional view showing an embodiment of an air cleaning device of the present invention.
【図２】従来例の空気清浄化装置の一例を示す断面図FIG. 2 is a sectional view showing an example of a conventional air cleaning device.
【図３】従来例の空気清浄化装置の別の例を示す断面図FIG. 3 is a cross-sectional view showing another example of a conventional air cleaning device.
１ ケーシング ２ フィルタ ３ ファン ４ 天井板 ５ パンチング板 ６ａ 高抵抗吹出口フェイス ６ｂ 低抵抗吹出口フェイス ７ スリット ８ バッフル板 ９ 通気口 １０ バッフル板用パンチング板 １１ 吸気口 ２１ 循環エア ２２ エアカーテン ２３ フィルタ ２４ ファン ２５ フィルタ ２６ ファン ２７ 作業空間 ２８ 空気流通抵抗増加手段 ２９ エアカーテン吹出口 ３０ ファン ３１ フィルタ ３２ 照明手段 1 Casing 2 Filter 3 Fan 4 Ceiling board 5 Punching board 6a High resistance outlet face 6b Low resistance outlet face 7 Slit 8 Baffle plate 9 Vent hole 10 Baffle plate punching plate 11 Intake port 21 Circulating air 22 Air curtain 23 Filter 24 Fan 25 Filter 26 Fan 27 Working space 28 Air flow resistance increasing means 29 Air curtain outlet 30 Fan 31 Filter 32 Lighting means
Claims (4)
配設されたファンとを一対備え、下面に吹出口を備え、
前記吹出口が少なくとも２種類の通風抵抗係数が異なる
吹出口フェイスにより構成される空気清浄化装置におい
て、パンチング板を有する通風抵抗係数が大きい方の吹
出口フェイスの上流側でかつ前記フィルタの下流側に通
気口を有するバッフル板を設け、また、通風抵抗係数が
小さい方の吹出口フェイスにはスリットを設けたことを
特徴とする空気清浄化装置。1. A pair of a filter and a fan arranged to blow air to the filter, and a blower outlet on a lower surface,
In an air cleaning device in which the air outlet is composed of at least two types of air outlet faces having different airflow resistance coefficients, the air purification device has a punching plate, and the airflow resistance coefficient is larger on the upstream side and on the downstream side of the filter. An air purifying device characterized in that a baffle plate having a vent is provided in the air outlet, and a slit is provided in an air outlet face having a smaller ventilation resistance coefficient.
比が０．５〜２の範囲内にあることを特徴とする請求項
１記載の空気清浄化装置。2. The air cleaning apparatus according to claim 1, wherein an opening area ratio between the slit and the vent is within a range of 0.5 to 2.
比が１の時、前記通風抵抗係数が大きい方の吹出口フェ
イスと前記通気口との開口面積比が４〜１０の範囲内に
あることを特徴とする請求項１または２記載の空気清浄
化装置。3. When the opening area ratio between the slit and the ventilation port is 1, the opening area ratio between the air outlet face having the larger ventilation resistance coefficient and the ventilation port is in the range of 4 to 10. The air cleaning device according to claim 1 or 2, characterized in that.
係数が大きい方の吹出口フェイスの上流側にバッフル板
用パンチング板を設けたことを特徴とする請求項１乃至
３の何れかに記載の空気清浄化装置。4. A punching plate for a baffle plate is provided on the downstream side of the vent hole and on the upstream side of the outlet face having the larger ventilation resistance coefficient. The air purification device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7188686A JPH0910530A (en) | 1995-06-30 | 1995-06-30 | Air cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7188686A JPH0910530A (en) | 1995-06-30 | 1995-06-30 | Air cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0910530A true JPH0910530A (en) | 1997-01-14 |
Family
ID=16228067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7188686A Pending JPH0910530A (en) | 1995-06-30 | 1995-06-30 | Air cleaner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0910530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007111143A1 (en) * | 2006-03-27 | 2007-10-04 | Yuyama Mfg. Co., Ltd. | Cabinet with clean environment maintaining function |
-
1995
- 1995-06-30 JP JP7188686A patent/JPH0910530A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007111143A1 (en) * | 2006-03-27 | 2007-10-04 | Yuyama Mfg. Co., Ltd. | Cabinet with clean environment maintaining function |
| JP2007260499A (en) * | 2006-03-27 | 2007-10-11 | Yuyama Manufacturing Co Ltd | Cabinet having clean circumstance retaining mechanism |
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