JP5972615B2

JP5972615B2 - Air conditioner filter holding device and filter replacement method

Info

Publication number: JP5972615B2
Application number: JP2012055723A
Authority: JP
Inventors: 明広小又
Original assignee: Sanki Engineering Co Ltd
Current assignee: Sanki Engineering Co Ltd
Priority date: 2012-03-13
Filing date: 2012-03-13
Publication date: 2016-08-17
Anticipated expiration: 2032-03-13
Also published as: JP2013188666A

Description

本発明は、空気調和装置のフィルタ保持装置及びフィルタ交換方法に関するものである。 The present invention relates to a filter holding device and a filter replacement method for an air conditioner.

一般に、工場等の空気調和装置では、送風用のファンによる機械室等の清浄空気室への空気導入の際に、空気中の塵埃を空気調和装置を構成するフィルタユニット内に設けられたフィルタを使って除去しているが、該フィルタが詰ってくると、圧力損失が高まり、必要な流量の空気を前記清浄空気室へ導入できなくなってしまうため、フィルタの空気流通方向における上下流位置での差圧を検出し、該差圧が予め設定された閾値を超えた際に、フィルタの交換を行うようになっている。尚、従来のフィルタ保持装置は、通常、前記空気調和装置内に配設され且つ空気流通方向において単一のフィルタレールに対し、前記フィルタ縁部を保持せしめることにより、該フィルタを設置する構造となっている。 Generally, in an air conditioner such as a factory, when air is introduced into a clean air chamber such as a machine room by a fan for blowing air, a filter provided in a filter unit constituting the air conditioner is used to remove dust in the air. However, if the filter is clogged, the pressure loss will increase and it will not be possible to introduce the required flow rate of air into the clean air chamber. A differential pressure is detected, and the filter is replaced when the differential pressure exceeds a preset threshold value. The conventional filter holding device is usually arranged in the air conditioner and has a structure in which the filter is installed by holding the filter edge against a single filter rail in the air flow direction. It has become.

又、ロールに巻き取られたフィルタを順次繰り出して、別のロールに巻き取ることにより、空気を清浄化する、いわゆるオートロールタイプのフィルタも存在する。 There is also a so-called auto-roll type filter that cleans air by sequentially feeding out a filter wound up on a roll and winding it on another roll.

尚、前述の如きフィルタと関連する一般的技術水準を示すものとしては、例えば、特許文献１、特許文献２がある。 Examples of the general technical level related to the filter as described above include Patent Document 1 and Patent Document 2.

特開２００３−９７８３４号公報JP 2003-97834 A 特開２００３−２５１１２８号公報JP 2003-251128 A

ところで、前記フィルタ交換は、空気調和装置を構成するフィルタユニットに取り付けられたフィルタ交換用扉を開けて行われるため、既設のフィルタを引き抜いてから新しいフィルタを差し込み、フィルタ交換用扉を閉めるまでにある程度の時間が必要となる。尚、前記フィルタの交換中においても、ファンによる清浄空気室への空気導入は連続して行われる。 By the way, since the filter replacement is performed by opening the filter replacement door attached to the filter unit constituting the air conditioner, it is necessary to pull out the existing filter, insert a new filter, and close the filter replacement door. A certain amount of time is required. Even during the replacement of the filter, air is continuously introduced into the clean air chamber by the fan.

しかしながら、前記送風用のファンがフィルタの空気流通方向下流側に設置されている場合、前記フィルタ交換用扉を開放してフィルタの交換を行っている間、フィルタを通過しない空気がフィルタユニット内即ちフィルタの空気流通方向下流側に流入してしまい、塵埃が前記清浄空気室へ入り込んでしまう虞があった。 However, when the blower fan is installed on the downstream side in the air flow direction of the filter, the air that does not pass through the filter is blocked in the filter unit while the filter replacement door is opened and the filter is replaced. There was a risk that dust would flow into the clean air chamber because it would flow downstream in the air flow direction of the filter.

又、前記送風用のファンがフィルタの空気流通方向上流側に設置されている場合、前記フィルタ交換用扉を開放してフィルタの交換を行っている間、ファンで昇圧された空気の一部が前記フィルタ交換用扉から吹き出してしまい、前記清浄空気室へ所定流量の給気が行えなくなると共に、前述と同様、フィルタを通過しない空気がフィルタユニット内即ちフィルタの空気流通方向下流側に流入してしまい、塵埃が前記清浄空気室へ入り込んでしまうという不具合が生じていた。 In addition, when the blower fan is installed on the upstream side in the air flow direction of the filter, a part of the air pressurized by the fan is opened while the filter replacement door is opened and the filter is replaced. The air is blown out from the filter replacement door, so that a predetermined flow rate cannot be supplied to the clean air chamber, and air that does not pass through the filter flows into the filter unit, that is, downstream of the filter in the air flow direction, as described above. As a result, there is a problem that dust enters the clean air chamber.

一方、前記オートロールタイプのフィルタの場合、ファンを運転しながらフィルタを交換しているのと同等であり、この点に関しては非常に優れているが、フィルタの巻き取り完了時はどうしてもファンを停止してフィルタの交換を行わなければならず、その間、前記清浄空気室へ必要な流量の空気を導入できなくなる。しかも、前記オートロールタイプのフィルタにおいては、モータ等の駆動装置が必要で、構造が複雑化すると共に、電力も消費することから、ランニングコストも嵩むという欠点を有していた。 On the other hand, in the case of the auto-roll type filter, it is equivalent to replacing the filter while the fan is running. This is very good in this respect, but the fan is stopped at all times when the filter winding is completed. Then, the filter must be replaced, and in the meantime, it is impossible to introduce a necessary flow rate of air into the clean air chamber. In addition, the auto-roll type filter requires a driving device such as a motor, which complicates the structure and consumes electric power, and thus has a drawback of increasing running costs.

本発明は、斯かる実情に鑑み、ファンによる清浄空気室への空気導入を継続した状態で、モータ等の駆動装置を使用することなく、フィルタを通過しない空気のフィルタ下流側への流入を防いで、塵埃が清浄空気室へ入り込んでしまうことを最小限に抑制しつつ、フィルタの交換を行い得る空気調和装置のフィルタ保持装置及びフィルタ交換方法を提供しようとするものである。 In view of such a situation, the present invention prevents the inflow of air that does not pass through the filter to the downstream side of the filter without using a driving device such as a motor in a state where air is continuously introduced into the clean air chamber by the fan. Thus, an object of the present invention is to provide a filter holding device and a filter replacement method for an air conditioner that can replace a filter while minimizing the entry of dust into a clean air chamber.

本発明は、フィルタユニット下流側に設置されるファンの作動により空気を、前記フィルタユニット内に設けられたフィルタを通過させて清浄空気室へ導入する空気調和装置のフィルタ保持装置において、
前記フィルタユニットは、
枠組みを構成するフレーム部材と、
該フレーム部材の空気流通方向に対して平行な面に取り付けられる外板と、
空気流通方向に対して平行となる上下のフレーム部材の間に掛け渡され、且つ閉じた際に隣接する外板と密着するフィルタ交換用扉が枢着される外板分割板と、
該外板分割板の上流側に該外板分割板と同じ長さで平行に固着される遮蔽フレームと、
該遮蔽フレームに対して平行に対向する外板の面で枠組みを構成するフレーム部材の一つと、前記遮蔽フレームとの間に水平に掛け渡され且つフィルタ縁部を保持するための第二フィルタレールと、
該第二フィルタレールの空気流通方向における上流側に前記第二フィルタレールと平行となるよう隣接して固着され且つフィルタ縁部を保持するための第一フィルタレールと
を備え、
前記第一フィルタレールと第二フィルタレールのいずれか一方にフィルタ縁部を保持せしめ前記フィルタ交換用扉を閉じて運転を行い、該フィルタに詰りが生じた場合、前記フィルタ交換用扉を開け、前記第一フィルタレールと第二フィルタレールのいずれか他方に新規のフィルタを挿入保持せしめた状態で、前記ファンを運転しながら前記詰りが生じたフィルタを引き抜いて交換を行い、前記フィルタ交換用扉を閉じるよう構成したことを特徴とする空気調和装置のフィルタ保持装置にかかるものである。 The present invention is an air by operation of the fan to be installed in the filter unit downstream, in the filter holding device of the air conditioning apparatus is passed through a filter provided to introduce into the clean air chamber within the filter unit,
The filter unit is
A frame member constituting the framework;
An outer plate attached to a surface parallel to the air flow direction of the frame member;
An outer plate dividing plate that is spanned between upper and lower frame members that are parallel to the air flow direction and that is pivotally attached to a filter replacement door that is in close contact with the adjacent outer plate when closed;
A shielding frame fixed in parallel with the same length as the outer plate dividing plate on the upstream side of the outer plate dividing plate;
A second filter rail that is horizontally stretched between one of the frame members constituting the frame by the surface of the outer plate facing in parallel with the shielding frame and the shielding frame and holds the filter edge. When,
A first filter rail fixed adjacently and parallel to the second filter rail on the upstream side in the air flow direction of the second filter rail and holding a filter edge;
With
It performs the operation to close the filter replacement door allowed holding the filter edge on one of the first filter rail and a second filter rails, if the clogging in the filter occurs, open the filter replacement door, With the new filter inserted and held on the other of the first filter rail and the second filter rail, the filter that has been clogged is pulled out and replaced while operating the fan , and the filter replacement door It is concerning the filter holding | maintenance apparatus of the air conditioning apparatus characterized by having comprised so that it may be closed.

上記手段によれば、以下のような作用が得られる。 According to the above means, the following operation can be obtained.

前述の如く構成すると、詰りが生じたフィルタを交換する際、フィルタユニット内には、第一フィルタレールと第二フィルタレールの少なくとも一方に常にフィルタが保持される形となるため、フィルタを通過しない空気がフィルタの空気流通方向下流側に流入することが抑えられ、塵埃が前記清浄空気室へ入り込みにくくなる。 With the configuration as described above, when replacing a clogged filter, the filter is always held in at least one of the first filter rail and the second filter rail in the filter unit, so that it does not pass through the filter. Air is prevented from flowing into the downstream side of the filter in the air flow direction, and dust is less likely to enter the clean air chamber.

一方、フィルタの巻き取り完了時はどうしてもファンを停止してフィルタの交換を行わざるを得ない前記オートロールタイプのフィルタと比較した場合、フィルタ交換中もファンを停止せずに前記清浄空気室へ必要な流量の空気を継続して導入でき、しかも、モータ等の駆動装置が一切不要で、構造が簡略化できると共に、電力も消費しなくて済むことから、ランニングコストが嵩む心配もない。 On the other hand, when the filter winding is completed, the fan must be stopped and the filter must be replaced. When compared with the auto-roll type filter, the fan is not stopped and the fan is not stopped even during filter replacement. Since air of a necessary flow rate can be continuously introduced, and a driving device such as a motor is not required at all, the structure can be simplified and electric power does not have to be consumed.

前記空気調和装置のフィルタ保持装置において、前記フィルタユニットは、前記外板分割板の上流側に該外板分割板と同じ長さで平行に固着される遮蔽フレームと、その上流側に前記第二フィルタレールとが掛け渡されるように備えているため、前記フィルタ交換用扉の開放時におけるフィルタユニット内への空気の流入を最小限に抑えることが可能となる。 In the filter holding device of the air conditioner, the filter unit includes a shielding frame fixed in parallel with the same length as the outer plate dividing plate on the upstream side of the outer plate dividing plate, and the second on the upstream side thereof. Since the filter rail is provided so as to be spanned, it is possible to minimize the inflow of air into the filter unit when the filter replacement door is opened.

又、前記空気調和装置のフィルタ保持装置においては、前記フィルタの空気流通方向上下流位置における差圧を検出する差圧計を備え、該差圧計で検出された差圧に基づいて前記フィルタの詰りの有無を判断するよう構成することができる。 Further, the filter holding device of the air conditioner includes a differential pressure gauge that detects a differential pressure in the upstream and downstream positions of the filter in the air flow direction, and the filter is clogged based on the differential pressure detected by the differential pressure gauge. It can be configured to determine the presence or absence.

一方、本発明は、フィルタユニット下流側に設置されるファンの作動により空気を、前記フィルタユニット内に設けられたフィルタを通過させて清浄空気室へ導入する空気調和装置のフィルタ交換方法において、
枠組みを構成するフレーム部材と、
該フレーム部材の空気流通方向に対して平行な面に取り付けられる外板と、
空気流通方向に対して平行となる上下のフレーム部材の間に掛け渡され、且つ閉じた際に隣接する外板と密着するフィルタ交換用扉が枢着される外板分割板と、
該外板分割板の上流側に該外板分割板と同じ長さで平行に固着される遮蔽フレームと、
該遮蔽フレームに対して平行に対向する外板の面で枠組みを構成するフレーム部材の一つと、前記遮蔽フレームとの間に水平に掛け渡され且つフィルタ縁部を保持するための第二フィルタレールと、
該第二フィルタレールの空気流通方向における上流側に前記第二フィルタレールと平行となるよう隣接して固着され且つフィルタ縁部を保持するための第一フィルタレールと
を備えた前記フィルタユニットにて、
前記フィルタユニット内の前記第一フィルタレールと第二フィルタレールのいずれか一方にフィルタ縁部を保持せしめ前記フィルタ交換用扉を閉じた状態での運転中に、該フィルタに詰りが生じた場合、前記フィルタユニットに取り付けられたフィルタ交換用扉を開ける開放工程と、
該開放工程で前記フィルタ交換用扉を開けた後、前記第一フィルタレールと第二フィルタレールのいずれか他方に新規のフィルタを挿入保持せしめる新規フィルタ挿入工程と、
該新規フィルタ挿入工程で前記第一フィルタレールと第二フィルタレールのいずれか他方に新規のフィルタを挿入保持せしめた後、前記詰りが生じたフィルタを引き抜く交換工程と、
該交換工程で前記詰りが生じたフィルタを引き抜いた後、前記フィルタ交換用扉を閉じる閉鎖工程と
を行うことを特徴とする空気調和装置のフィルタ交換方法にかかるものである。 On the other hand, the present invention is the air by operation of the fan to be installed in the filter unit downstream, in the filter exchange method of an air conditioner that is passed through a filter provided in the filter unit is introduced into the clean air chamber,
A frame member constituting the framework;
An outer plate attached to a surface parallel to the air flow direction of the frame member;
An outer plate dividing plate that is spanned between upper and lower frame members that are parallel to the air flow direction and that is pivotally attached to a filter replacement door that is in close contact with the adjacent outer plate when closed;
A shielding frame fixed in parallel with the same length as the outer plate dividing plate on the upstream side of the outer plate dividing plate;
A second filter rail that is horizontally stretched between one of the frame members constituting the frame by the surface of the outer plate facing in parallel with the shielding frame and the shielding frame and holds the filter edge. When,
A first filter rail fixed adjacently and parallel to the second filter rail on the upstream side in the air flow direction of the second filter rail and holding a filter edge;
In the filter unit comprising
During operation in the closed state of the said filter replacement door either one allowed holding the filter edge of the first filter rail and the second filter rails in the filter unit, if the clogging in the filter occurs, An opening step of opening a filter replacement door attached to the filter unit;
A new filter insertion step of inserting and holding a new filter in either one of the first filter rail and the second filter rail after opening the filter replacement door in the opening step;
After the new filter is inserted and held in the other one of the first filter rail and the second filter rail in the new filter insertion step, the replacement step of pulling out the clogged filter,
The present invention relates to a filter replacement method for an air conditioner, characterized in that after the filter in which the clogging has occurred is pulled out in the replacement step, a closing step of closing the filter replacement door is performed.

前記空気調和装置のフィルタ交換方法においては、前記フィルタの空気流通方向上下流位置における差圧を検出することにより前記フィルタの詰りの有無を判断することができる。 In the filter replacement method of the air conditioner, the presence or absence of clogging of the filter can be determined by detecting the differential pressure at the upstream and downstream positions of the filter in the air flow direction.

本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法によれば、ファンによる清浄空気室への空気導入を継続した状態で、モータ等の駆動装置を使用することなく、フィルタを通過しない空気のフィルタ下流側への流入を防いで、塵埃が清浄空気室へ入り込んでしまうことを最小限に抑制しつつ、フィルタの交換を行い得るという優れた効果を奏し得る。 According to the filter holding device and the filter replacement method of the air conditioner of the present invention, the air that does not pass through the filter without using a driving device such as a motor can be obtained while air is continuously introduced into the clean air chamber by the fan. It is possible to obtain an excellent effect that the filter can be replaced while preventing the inflow to the downstream side of the filter and minimizing the entry of dust into the clean air chamber.

本発明の空気調和装置内に設けられるフィルタとフィルタ保持装置の実施例を示す斜視図である。It is a perspective view which shows the Example of the filter provided in the air conditioning apparatus of this invention, and a filter holding | maintenance apparatus. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、第二フィルタレールにフィルタを保持せしめた状態での運転中の様子を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。FIG. 2 is a plan view showing a state during operation in a state in which the filter is held on the second filter rail in the embodiment of the filter holding device and the filter replacement method of the air conditioner of the present invention, which is II-II in FIG. 1. FIG. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図２の状態からフィルタ交換用扉を開ける開放工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。In the Example of the filter holding | maintenance device of the air conditioning apparatus of this invention, and the filter replacement | exchange method, it is a top view which shows the open process which opens the filter replacement | exchange door from the state of FIG. 2, Comprising: The II-II arrow equivalent view of FIG. It is. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図３の状態から第一フィルタレールに新規のフィルタを挿入保持せしめる新規フィルタ挿入工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。1 is a plan view showing a new filter insertion step of inserting and holding a new filter on the first filter rail from the state of FIG. 3 in the embodiment of the filter holding device and filter replacement method of the air conditioning apparatus of the present invention. It is an II-II arrow equivalent view. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図４の状態から詰りが生じたフィルタを引き抜く交換工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。FIG. 4 is a plan view showing a replacement process for pulling out a filter clogged from the state of FIG. 4 in the embodiment of the filter holding device and filter replacement method of the air conditioner of the present invention, corresponding to the view taken along the line II-II in FIG. FIG. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図５の状態からフィルタ交換用扉を閉じる閉鎖工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。In the Example of the filter holding | maintenance apparatus and filter replacement | exchange method of the air conditioning apparatus of this invention, it is a top view which shows the closing process which closes the filter replacement | exchange door from the state of FIG. 5, Comprising: The II-II arrow equivalent view of FIG. It is. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、第一フィルタレールにフィルタを保持せしめた状態での運転中の様子を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。FIG. 2 is a plan view showing a state during operation in a state where the filter is held on the first filter rail in the embodiment of the filter holding device and the filter replacement method of the air conditioner of the present invention, which is II-II in FIG. 1. FIG. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図７の状態からフィルタ交換用扉を開ける開放工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。In the Example of the filter holding | maintenance device of the air conditioning apparatus of this invention, and the filter replacement | exchange method, it is a top view which shows the opening process which opens the filter replacement | exchange door from the state of FIG. 7, Comprising: The II-II arrow equivalent view of FIG. It is. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図８の状態から第二フィルタレールに新規のフィルタを挿入保持せしめる新規フィルタ挿入工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。FIG. 9 is a plan view showing a new filter insertion step in which a new filter is inserted and held in the second filter rail from the state of FIG. It is an II-II arrow equivalent view. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図９の状態から詰りが生じたフィルタを引き抜く交換工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。FIG. 11 is a plan view showing an exchange process for pulling out a filter that has become clogged from the state of FIG. 9 in the embodiment of the filter holding device and the filter exchange method of the air conditioner of the present invention, corresponding to the arrow II-II in FIG. FIG. 本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法の実施例において、図１０の状態からフィルタ交換用扉を閉じる閉鎖工程を示す平面図であって、図１のＩＩ−ＩＩ矢視相当図である。In the Example of the filter holding | maintenance apparatus of the air conditioning apparatus of this invention, and the filter replacement | exchange method, it is a top view which shows the closing process which closes the filter replacement door from the state of FIG. 10, Comprising: The II-II arrow equivalent view of FIG. It is.

以下、本発明の実施の形態を添付図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.

図１〜図１１は本発明の空気調和装置内に設けられるフィルタとフィルタ保持装置及びフィルタ交換方法の実施例であって、空気をファン１の作動により機械室等の清浄空気室へ導入するフィルタユニット２内に、フィルタ３の縁部を保持するための第一フィルタレール４と第二フィルタレール５とを空気の流通方向における上下流位置へ隣接させて配設し、前記第一フィルタレール４と第二フィルタレール５のいずれか一方にフィルタ３の縁部を保持せしめて運転を行い、該フィルタ３に詰りが生じた場合、前記フィルタユニット２に取り付けられたフィルタ交換用扉６を開け、前記第一フィルタレール４と第二フィルタレール５のいずれか他方に新規のフィルタ３を挿入保持せしめた状態で、前記詰りが生じたフィルタ３を引き抜いて交換を行い、前記フィルタ交換用扉６を閉じるよう構成したものである。 FIGS. 1 to 11 show an embodiment of a filter, a filter holding device and a filter replacement method provided in the air conditioner of the present invention. The filter introduces air into a clean air chamber such as a machine room by the operation of the fan 1. In the unit 2, a first filter rail 4 and a second filter rail 5 for holding the edge of the filter 3 are arranged adjacent to the upstream and downstream positions in the air flow direction, and the first filter rail 4 When the filter 3 is clogged, the filter replacement door 6 attached to the filter unit 2 is opened, and the filter 3 is clogged. With the new filter 3 inserted and held on the other of the first filter rail 4 and the second filter rail 5, the clogged filter 3 is pulled out and replaced. It was carried out, which is constituted to close the filter replacement door 6.

本実施例の場合、前記フィルタ交換用扉６の開放時に第二フィルタレール５下流側に生じる隙間には、該第二フィルタレール５のフィルタ交換用扉６側端部を支持し且つ前記フィルタ交換用扉６開放時におけるフィルタユニット２内への空気の流入を防ぐ遮蔽フレーム７を配設してある。 In the case of the present embodiment, the clearance at the downstream side of the second filter rail 5 when the filter replacement door 6 is opened supports the filter replacement door 6 side end of the second filter rail 5 and the filter replacement. A shielding frame 7 is provided to prevent the inflow of air into the filter unit 2 when the door 6 is opened.

又、前記フィルタユニット２の外部には、前記フィルタ３の空気流通方向上下流位置における差圧を検出する差圧計８を設けてあり、該差圧計８で検出された差圧に基づいて前記フィルタ３の詰りの有無を判断するようにしてある。 Further, wherein the outside of the filter unit 2, the Yes and the differential pressure gauge 8 for detecting a differential pressure provided in the air flow direction upstream and downstream position of the filter 3, the filter based on the detected differential pressure with the difference pressure gauge 8 The presence or absence of clogging 3 is judged.

尚、図中、２ａはフィルタユニット２の枠組を構成するフレーム部材、２ｂはフレーム部材２ａに取り付けられる外板であり、該外板２ｂはウレタン発泡パネル等の断熱材を鋼板で覆うことにより形成してある。 In the figure, 2a is a frame member constituting the frame of the filter unit 2, 2b is an outer plate attached to the frame member 2a, and the outer plate 2b is formed by covering a heat insulating material such as a urethane foam panel with a steel plate. It is.

又、前記遮蔽フレーム７は、フィルタユニット２の上下方向へ延びる角管によって形成し、前記外板２ｂのつなぎ目に配設され且つフィルタ交換用扉６が枢着される外板分割板９に固着してある。 The shielding frame 7 is formed by a square tube extending in the vertical direction of the filter unit 2 and is fixed to an outer plate dividing plate 9 disposed at a joint of the outer plate 2b and to which a filter replacement door 6 is pivotally attached. It is.

更に又、図１に示す例では、フィルタ３は、上下二段に分割され、且つフィルタユニット２の幅方向にも二枚に分割され、スペーサとして用いられるフィルタ仕切板１０を上下に二枚用意し、フィルタユニット２の上下部並びに高さ方向中間部に第一フィルタレール４及び第二フィルタレール５を配設しているが、フィルタユニット２の大きさに応じて、一枚のフィルタ３とし、フィルタユニット２の高さ方向中間部に配設される第一フィルタレール４及び第二フィルタレール５を省略しても良いことは言うまでもない。 Furthermore, in the example shown in FIG. 1, the filter 3 is divided into upper and lower two stages, and is also divided into two in the width direction of the filter unit 2, and two filter partition plates 10 used as spacers are prepared up and down. The first filter rail 4 and the second filter rail 5 are disposed at the upper and lower portions of the filter unit 2 and the middle portion in the height direction. However, depending on the size of the filter unit 2, a single filter 3 is provided. Needless to say, the first filter rail 4 and the second filter rail 5 disposed in the intermediate portion in the height direction of the filter unit 2 may be omitted.

次に、上記実施例の作用を説明する。 Next, the operation of the above embodiment will be described.

先ず、図２には、第二フィルタレール５にフィルタ３を保持せしめた状態での運転中の様子を示しており、差圧計８によりフィルタ３の空気流通方向上下流位置における差圧が検出され、該差圧計８で検出された差圧に基づいて前記フィルタ３の詰りの有無が判断される。 First, FIG. 2 shows a state during operation in a state where the filter 3 is held on the second filter rail 5, and the differential pressure at the upstream / downstream position of the filter 3 in the air flow direction is detected by the differential pressure gauge 8. The presence or absence of clogging of the filter 3 is determined based on the differential pressure detected by the differential pressure gauge 8.

前記差圧計８で検出された差圧に基づいてフィルタ３に詰りが生じていると判断された場合、図３に示す如く、前記フィルタユニット２に取り付けられたフィルタ交換用扉６を開ける開放工程が行われる。このとき、予め新規のフィルタ３を用意しておく。 When it is determined that the filter 3 is clogged based on the differential pressure detected by the differential pressure gauge 8, an opening step of opening the filter replacement door 6 attached to the filter unit 2 as shown in FIG. Is done. At this time, a new filter 3 is prepared in advance.

前記開放工程で前記フィルタ交換用扉６を開けた後、図４に示す如く、前記第一フィルタレール４に新規のフィルタ３を挿入保持せしめる新規フィルタ挿入工程が行われる。 After opening the filter replacement door 6 in the opening step, a new filter insertion step is performed in which the new filter 3 is inserted and held in the first filter rail 4 as shown in FIG.

前記新規フィルタ挿入工程で前記第一フィルタレール４に新規のフィルタ３を挿入保持せしめた後、図５に示す如く、前記詰りが生じたフィルタ３を第二フィルタレール５から引き抜く交換工程が行われる。 After the new filter 3 is inserted and held in the first filter rail 4 in the new filter insertion process, an exchange process is performed in which the clogged filter 3 is pulled out from the second filter rail 5 as shown in FIG. .

前記交換工程で前記詰りが生じたフィルタ３を引き抜いた後、図６に示す如く、前記フィルタ交換用扉６を閉じる閉鎖工程が行われる。 After pulling out the filter 3 in which the clogging has occurred in the replacement step, a closing step of closing the filter replacement door 6 is performed as shown in FIG.

ここで、図２〜図６に示す如く、前記送風用のファン１がフィルタ３の空気流通方向下流側に設置されている場合、図３に示す如く、前記フィルタユニット２に取り付けられたフィルタ交換用扉６を開ける開放工程が行われても、空気は第二フィルタレール５に保持されたフィルタ３を通過するため、該フィルタ３を通過しない空気がフィルタ３の空気流通方向下流側に流入することが避けられ、塵埃が前記機械室等の清浄空気室へ入り込んでしまうことはない。 2 to 6, when the blower fan 1 is installed on the downstream side of the filter 3 in the air flow direction, the filter attached to the filter unit 2 is replaced as shown in FIG. 3. Even if the opening process of opening the door 6 is performed, the air passes through the filter 3 held by the second filter rail 5, so that air that does not pass through the filter 3 flows downstream in the air flow direction of the filter 3. This prevents dust from entering the clean air chamber such as the machine room.

但し、図５に示す如く、前記詰りが生じたフィルタ３を第二フィルタレール５から引き抜く交換工程が行われる際には、大部分の空気は第一フィルタレール４に挿入保持されたフィルタ３を通過するものの、前記第二フィルタレール５に対応する箇所からフィルタユニット２内へ空気が流入することは避けられない。しかし、前記フィルタ交換用扉６の開放時に第二フィルタレール５下流側に生じる隙間には遮蔽フレーム７を配設してあるため、前記フィルタ交換用扉６の開放時におけるフィルタユニット２内への空気の流入を最小限に抑えることが可能となる。 However, as shown in FIG. 5, when the replacement process of pulling out the clogged filter 3 from the second filter rail 5 is performed, most of the air passes through the filter 3 inserted and held in the first filter rail 4. Although passing, it is inevitable that air flows into the filter unit 2 from a position corresponding to the second filter rail 5. However, since the shielding frame 7 is disposed in the gap that is generated on the downstream side of the second filter rail 5 when the filter replacement door 6 is opened, the filter unit 2 can be moved into the filter unit 2 when the filter replacement door 6 is opened. It is possible to minimize the inflow of air.

又、図２〜図６において、前記送風用のファン１がフィルタ３の空気流通方向下流側ではなく上流側に設置されている場合、前記フィルタ交換用扉６を開放した際、ファン１で昇圧された空気の一部がフィルタユニット２から吹き出してしまうことは避けられない。しかし、図３、図４及び図５から明らかなように、前記フィルタユニット２内には、第二フィルタレール５と第一フィルタレール４の少なくとも一方に常にフィルタ３が保持される形となるため、フィルタ３を通過しない空気がフィルタ３の空気流通方向下流側に流入せず、塵埃が前記機械室等の清浄空気室へ入り込んでしまうという不具合は生じない。 2 to 6, when the fan 1 for blowing air is installed not on the downstream side in the air flow direction of the filter 3 but on the upstream side, the pressure is increased by the fan 1 when the filter replacement door 6 is opened. It is inevitable that a part of the air that has been blown out of the filter unit 2. However, as apparent from FIGS. 3, 4, and 5, the filter 3 is always held in at least one of the second filter rail 5 and the first filter rail 4 in the filter unit 2. In addition, there is no problem that air that does not pass through the filter 3 does not flow downstream of the filter 3 in the air flow direction, and dust enters the clean air chamber such as the machine chamber.

続いて、図７には、第一フィルタレール４にフィルタ３を保持せしめた状態での運転中の様子を示しており、差圧計８によりフィルタ３の空気流通方向上下流位置における差圧が検出され、該差圧計８で検出された差圧に基づいて前記フィルタ３の詰りの有無が判断される。 Next, FIG. 7 shows a state in which the filter 3 is held in the state where the first filter rail 4 is held, and the differential pressure at the upstream / downstream position of the filter 3 is detected by the differential pressure gauge 8. Based on the differential pressure detected by the differential pressure gauge 8, the presence or absence of clogging of the filter 3 is determined.

前記差圧計８で検出された差圧に基づいてフィルタ３に詰りが生じていると判断された場合、図８に示す如く、前記フィルタユニット２に取り付けられたフィルタ交換用扉６を開ける開放工程が行われる。このとき、予め新規のフィルタ３を用意しておく。 When it is determined that the filter 3 is clogged based on the differential pressure detected by the differential pressure gauge 8, an opening step of opening the filter replacement door 6 attached to the filter unit 2 as shown in FIG. Is done. At this time, a new filter 3 is prepared in advance.

前記開放工程で前記フィルタ交換用扉６を開けた後、図９に示す如く、前記第二フィルタレール５に新規のフィルタ３を挿入保持せしめる新規フィルタ挿入工程が行われる。 After opening the filter replacement door 6 in the opening step, a new filter insertion step for inserting and holding the new filter 3 on the second filter rail 5 is performed as shown in FIG.

前記新規フィルタ挿入工程で前記第二フィルタレール５に新規のフィルタ３を挿入保持せしめた後、図１０に示す如く、前記詰りが生じたフィルタ３を第一フィルタレール４から引き抜く交換工程が行われる。 After the new filter 3 is inserted and held in the second filter rail 5 in the new filter insertion process, an exchange process is performed to pull out the clogged filter 3 from the first filter rail 4 as shown in FIG. .

前記交換工程で前記詰りが生じたフィルタ３を引き抜いた後、図１１に示す如く、前記フィルタ交換用扉６を閉じる閉鎖工程が行われる。 After pulling out the filter 3 in which the clogging has occurred in the replacement step, a closing step of closing the filter replacement door 6 is performed as shown in FIG.

ここで、図７〜図１１に示す如く、前記送風用のファン１がフィルタ３の空気流通方向下流側に設置されている場合、図８に示す如く、前記フィルタユニット２に取り付けられたフィルタ交換用扉６を開ける開放工程が行われる際には、大部分の空気は第一フィルタレール４に挿入保持されたフィルタ３を通過するものの、前記第二フィルタレール５に対応する箇所からフィルタユニット２内へ空気が流入することは避けられない。しかし、前記フィルタ交換用扉６の開放時に第二フィルタレール５下流側に生じる隙間には遮蔽フレーム７を配設してあるため、前記フィルタ交換用扉６の開放時におけるフィルタユニット２内への空気の流入を最小限に抑えることが可能となる。 Here, when the blower fan 1 is installed on the downstream side in the air flow direction of the filter 3 as shown in FIGS. 7 to 11, the filter attached to the filter unit 2 is replaced as shown in FIG. When the opening process for opening the door 6 is performed, most of the air passes through the filter 3 inserted and held in the first filter rail 4, but the filter unit 2 starts from the position corresponding to the second filter rail 5. It is inevitable that air flows into the inside. However, since the shielding frame 7 is disposed in the gap that is generated on the downstream side of the second filter rail 5 when the filter replacement door 6 is opened, the filter unit 2 can be moved into the filter unit 2 when the filter replacement door 6 is opened. It is possible to minimize the inflow of air.

因みに、図９に示す如く、前記第二フィルタレール５に新規のフィルタ３を挿入保持せしめる新規フィルタ挿入工程が行われた後、図１０に示す如く、前記詰りが生じたフィルタ３を第一フィルタレール４から引き抜く交換工程が行われる際には、空気は既に第二フィルタレール５に保持されたフィルタ３を通過するため、該フィルタ３を通過しない空気がフィルタ３の空気流通方向下流側に流入することが避けられ、塵埃が前記機械室等の清浄空気室へ入り込んでしまうことはない。 Incidentally, as shown in FIG. 9, after the new filter insertion step for inserting and holding the new filter 3 in the second filter rail 5 is performed, the clogged filter 3 is replaced with the first filter as shown in FIG. When the replacement process of pulling out from the rail 4 is performed, air passes through the filter 3 already held by the second filter rail 5, so that air that does not pass through the filter 3 flows downstream in the air flow direction of the filter 3. This prevents the dust from entering the clean air chamber such as the machine room.

又、図７〜図１１において、前記送風用のファン１がフィルタ３の空気流通方向下流側ではなく上流側に設置されている場合、前記フィルタ交換用扉６を開放した際、ファン１で昇圧された空気の一部がフィルタユニット２から吹き出してしまうことは避けられない。しかし、図８、図９及び図１０から明らかなように、前記フィルタユニット２内には、第一フィルタレール４と第二フィルタレール５の少なくとも一方に常にフィルタ３が保持される形となるため、フィルタ３を通過しない空気がフィルタ３の空気流通方向下流側に流入せず、塵埃が前記機械室等の清浄空気室へ入り込んでしまうという不具合は生じない。 7 to 11, when the blower fan 1 is installed not on the downstream side in the air flow direction of the filter 3 but on the upstream side, the pressure is increased by the fan 1 when the filter replacement door 6 is opened. It is inevitable that a part of the air that has been blown out of the filter unit 2. However, as is apparent from FIGS. 8, 9 and 10, the filter unit 2 is always held in at least one of the first filter rail 4 and the second filter rail 5 in the filter unit 2. In addition, there is no problem that air that does not pass through the filter 3 does not flow downstream of the filter 3 in the air flow direction, and dust enters the clean air chamber such as the machine chamber.

一方、フィルタの巻き取り完了時はどうしてもファンを停止してフィルタの交換を行わざるを得ない前記オートロールタイプのフィルタと比較した場合、フィルタ３の交換中もファン１を停止せずに前記清浄空気室へ必要な流量の空気を継続して導入でき、しかも、モータ等の駆動装置が一切不要で、構造が簡略化できると共に、電力も消費しなくて済むことから、ランニングコストが嵩む心配もない。 On the other hand, when the filter winding is completed, the fan must be stopped and the filter must be replaced. When compared with the auto-roll type filter, the fan 1 is not stopped even while the filter 3 is replaced. The necessary flow rate of air can be continuously introduced into the air chamber, and there is no need for a driving device such as a motor, the structure can be simplified, and power consumption is not required. Absent.

こうして、ファン１による機械室等の清浄空気室への空気導入を継続した状態で、モータ等の駆動装置を使用することなく、フィルタ３を通過しない空気のフィルタ３下流側への流入を防いで、塵埃が清浄空気室へ入り込んでしまうことを最小限に抑制しつつ、フィルタの交換を行い得る。 Thus, in the state in which the air is continuously introduced into the clean air chamber such as the machine room by the fan 1, the inflow of the air that does not pass through the filter 3 to the downstream side of the filter 3 can be prevented without using a driving device such as a motor. The filter can be replaced while minimizing the entry of dust into the clean air chamber.

尚、本発明の空気調和装置のフィルタ保持装置及びフィルタ交換方法は、上述の実施例にのみ限定されるものではなく、本発明の要旨を逸脱しない範囲内において種々変更を加え得ることは勿論である。 In addition, the filter holding | maintenance apparatus and filter replacement | exchange method of the air conditioning apparatus of this invention are not limited only to the above-mentioned Example, Of course, in the range which does not deviate from the summary of this invention, a various change can be added. is there.

１ファン
２フィルタユニット
３フィルタ
４第一フィルタレール
５第二フィルタレール
６フィルタ交換用扉
７遮蔽フレーム
８差圧計 1 Fan 2 Filter Unit 3 Filter 4 First Filter Rail 5 Second Filter Rail 6 Filter Replacement Door 7 Shielding Frame 8 Differential Pressure Gauge

Claims

Air by the operation of the fan to be installed in the filter unit downstream, in the filter holding device of the air conditioning apparatus is passed through a filter provided to introduce into the clean air chamber within the filter unit,
The filter unit is
A frame member constituting the framework;
An outer plate attached to a surface parallel to the air flow direction of the frame member;
An outer plate dividing plate that is spanned between upper and lower frame members that are parallel to the air flow direction and that is pivotally attached to a filter replacement door that is in close contact with the adjacent outer plate when closed;
A shielding frame fixed in parallel with the same length as the outer plate dividing plate on the upstream side of the outer plate dividing plate;
A second filter rail that is horizontally stretched between one of the frame members constituting the frame by the surface of the outer plate facing in parallel with the shielding frame and the shielding frame and holds the filter edge. When,
A first filter rail fixed adjacently and parallel to the second filter rail on the upstream side in the air flow direction of the second filter rail and holding a filter edge;
With
It performs the operation to close the filter replacement door allowed holding the filter edge on one of the first filter rail and a second filter rails, if the clogging in the filter occurs, open the filter replacement door, With the new filter inserted and held on either one of the first filter rail and the second filter rail, the filter that has been clogged is pulled out and replaced while the fan is operating , and the filter replacement door A filter holding device for an air conditioner, wherein the filter holding device is configured to be closed.

Comprising a differential pressure gauge for detecting the differential pressure in the air flow direction upstream and downstream position of the filter, the air according to claim 1, wherein configured to determine the presence or absence of clogging of the filter based on the differential pressure detected by the differential pressure gauge The filter holding device of the harmony device.

Air by the operation of the fan to be installed in the filter unit downstream, in the filter exchange method of an air conditioner that is passed through a filter provided in the filter unit is introduced into the clean air chamber,
A frame member constituting the framework;
An outer plate attached to a surface parallel to the air flow direction of the frame member;
An outer plate dividing plate that is spanned between upper and lower frame members that are parallel to the air flow direction and that is pivotally attached to a filter replacement door that is in close contact with the adjacent outer plate when closed;
A shielding frame fixed in parallel with the same length as the outer plate dividing plate on the upstream side of the outer plate dividing plate;
A second filter rail that is horizontally stretched between one of the frame members constituting the frame by the surface of the outer plate facing in parallel with the shielding frame and the shielding frame and holds the filter edge. When,
A first filter rail fixed adjacently and parallel to the second filter rail on the upstream side in the air flow direction of the second filter rail and holding a filter edge;
In the filter unit comprising
During operation in the closed state of the said filter replacement door either one allowed holding the filter edge of the first filter rail and the second filter rails in the filter unit, if the clogging in the filter occurs, An opening step of opening a filter replacement door attached to the filter unit;
A new filter insertion step of inserting and holding a new filter in either one of the first filter rail and the second filter rail after opening the filter replacement door in the opening step;
After the new filter is inserted and held in the other one of the first filter rail and the second filter rail in the new filter insertion step, the replacement step of pulling out the clogged filter,
A filter replacement method for an air conditioner, comprising: a step of closing the filter replacement door after pulling out the clogged filter in the replacement step.

The filter replacement method for an air conditioner according to claim 3, wherein the presence or absence of clogging of the filter is determined by detecting a differential pressure at the upstream and downstream positions of the filter in the air flow direction.