JPH04208346A - Ventilator with filter - Google Patents
Ventilator with filterInfo
- Publication number
- JPH04208346A JPH04208346A JP33829490A JP33829490A JPH04208346A JP H04208346 A JPH04208346 A JP H04208346A JP 33829490 A JP33829490 A JP 33829490A JP 33829490 A JP33829490 A JP 33829490A JP H04208346 A JPH04208346 A JP H04208346A
- Authority
- JP
- Japan
- Prior art keywords
- differential pressure
- filter
- pressure
- ventilator
- ventilation fan
- 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
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000009423 ventilation Methods 0.000 claims description 30
- 239000000428 dust Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
- Ventilation (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、フィルターの目詰まりを差圧センサーで検知
するフィルター付きの天井埋込形の換気扇に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a ceiling-embedded ventilation fan equipped with a filter that detects clogging of the filter using a differential pressure sensor.
従来の技術
従来、この種のフィルター付き換気扇は、一般に第３図
に示すように差圧センサー本体１０１は換気扇本体１０
２に内蔵され、換気扇本体内部に開口した圧力検知口１
０３と室内天井面へ引き出された室内圧力検知用チュー
ブ１０４の先端検知口］０５との圧力差を検知し、この
圧力差の変化によりフィルター１０６の目詰まりを判定
し、ある設定差圧値に達したききに差圧表示部材１０７
に表示していた。2. Description of the Related Art Conventionally, in this type of ventilation fan with a filter, as shown in FIG.
Pressure detection port 1 built into 2 and opened inside the ventilation fan body
03 and the tip detection port of the indoor pressure detection tube 104 drawn out to the ceiling of the room] 05 is detected, clogging of the filter 106 is determined based on the change in this pressure difference, and the pressure difference is adjusted to a certain set differential pressure value. Differential pressure display member 107 when reached
It was displayed on .
発明が解決しようとする課題
このような従来のフィルター付き換気扇では、接続され
る排気用ダクト１０８の構成が設置場所ごとに異なるた
め、あらかじめ工場出荷時点て設定した差圧設定値では
ダクト抵抗が低い場合にはフィルター１０６が目詰まり
状態になっているにもかかわらず目詰まり表示をしなか
ったり、ダクト抵抗が高い場合にはフィルター１０６が
目詰まり状態に至っていなくても目詰まり表示が出され
るという問題があった。Problems to be Solved by the Invention In such a conventional ventilation fan with a filter, the configuration of the connected exhaust duct 108 differs depending on the installation location, so the duct resistance is low at the differential pressure setting value set beforehand at the time of shipment from the factory. In some cases, the clogged condition is not displayed even though the filter 106 is clogged, or if the duct resistance is high, the clogged condition is displayed even though the filter 106 is not clogged. There was a problem.
本発明は上記課題を解決するもので、換気扇設置工事の
とき、あるいはそれ以降にフィルターの目詰まりに相当
する差圧を任意に設定することにより、適正な目詰まり
表示を図ることのできるフィルター付き換気扇を提供す
ることを目的とするものである。The present invention solves the above problems, and includes a filter that can appropriately indicate clogging by arbitrarily setting a differential pressure corresponding to filter clogging during or after installation of a ventilation fan. Its purpose is to provide ventilation fans.
課題を解決するための手段
本発明のフィルター付き換気扇は、上記目的を達成する
ために、電動機とファンと、換気扇本体内部圧力と換気
扇本体内部より引き出された管なとにより検知された室
内圧力との圧力差を検知する差圧センサー本体を内蔵し
、下面に開口部と、天井への取り付け部を設けた換気扇
本体と、前記開口部を閉蓋するフィルターと、前記差圧
センサーにより検出された圧力差がある設定値に達した
ことを表示する差圧表示部材と、前記設定値を設定する
差圧設定部材を備え、この前記差圧設定部材で設定され
る設定値を換気扇設置工事以降に任意に設定できる構成
としたものである。Means for Solving the Problems In order to achieve the above object, the filter-equipped ventilation fan of the present invention has the following features: A ventilation fan body with a built-in differential pressure sensor body that detects the pressure difference detected by the differential pressure sensor, an opening at the bottom, a filter that closes the opening, and a ceiling attachment part. It is equipped with a differential pressure display member that indicates that the pressure difference has reached a certain set value, and a differential pressure setting member that sets the set value, and the set value set by the differential pressure setting member can be set after ventilation fan installation work. It has a configuration that can be set arbitrarily.
作 用
本発明のフィルター付き換気扇は、上記した構成により
、換気扇設置工事のとき、あるいはそれ以降に、フィル
ターの目詰まりのダミーとして、たとえば、あて紙をフ
ィルターに張り付けたときに目詰まりの表示が出るよう
に差圧設定値を調整できることとなり、適正な目詰まり
表示ができることとなる。Function: Due to the above-described configuration, the filter-equipped ventilation fan of the present invention does not display a clogging indication when, for example, a piece of paper is pasted on the filter as a dummy for filter clogging during ventilation fan installation work or thereafter. It is possible to adjust the differential pressure set value so that the amount of water is removed, and an appropriate clogging display can be performed.
実施例
以下、本発明の一実施例を第１図および第２図にもとづ
いて説明する。EXAMPLE Hereinafter, an example of the present invention will be explained based on FIGS. 1 and 2.
図に示すように、換気扇本体１は下面に開口部２と、天
井３への取り付け部４が形成され、電動機５とファン６
と差圧センサー本体７を内蔵している。また、フィルタ
ー８は天井３および換気扇本体１に係止されている。そ
して、前記差圧センサー本体７は２つの圧力検知口９ａ
、９ｂを有し、一方の圧力検知口９ａは換気扇内部１０
の圧力を、もう一方の圧力検知口９ｂは換気扇本体内部
より室内へ引き出された管１１と接続されて室内１２の
圧力を検知し、圧力検知口９ａと９ｂの圧力差を電気信
号に変換する。換気扇を長期間運転すると、塵埃などが
フィルター８に付着し、フィルター８での圧力損失か大
きくなり、換気扇内部と室内との圧力差は大きくなる。As shown in the figure, the ventilation fan body 1 has an opening 2 and a ceiling 3 attachment part 4 formed on the lower surface, and has an electric motor 5 and a fan 6.
and a differential pressure sensor main body 7 are built in. Further, the filter 8 is secured to the ceiling 3 and the ventilation fan body 1. The differential pressure sensor main body 7 has two pressure detection ports 9a.
, 9b, one pressure detection port 9a is located inside the ventilation fan 10.
The other pressure detection port 9b is connected to a pipe 11 drawn into the room from inside the ventilation fan body to detect the pressure in the room 12, and converts the pressure difference between the pressure detection ports 9a and 9b into an electrical signal. . If the ventilation fan is operated for a long period of time, dust and the like will adhere to the filter 8, increasing the pressure loss in the filter 8 and increasing the pressure difference between the inside of the ventilation fan and the room.
そのため、この圧力差の変化をフィルター８の目詰まり
具合すなわち汚れ具合の判定指標とし、あらかじめ設定
した差圧値に達したとき、電気信号にて、換気扇本体１
から離れた場所に設置された差圧表示部材１３にてフィ
ルター８の汚れ具合を表示し、フィルター８の掃除や交
換の目安にする。そして、前記差圧表示部材１３には差
圧値を任意に設定できるようにボリュームつまみや切り
替えスイッチなどの差圧設定部材１４が組み込まれ、換
気扇設置工事のとき、あるいはそれ以降に、フィルター
８の目詰まりのダミーとして、あて紙をフィルター８に
張り付けたとき目詰まりの表示が出、あて紙をフィルタ
ー８から取り除いたとき目詰まりの表示が消えるように
差圧値を設定する。Therefore, the change in pressure difference is used as an index for determining the degree of clogging of the filter 8, that is, the degree of dirt, and when the preset pressure difference value is reached, an electrical signal is sent to the ventilation fan body 1.
The degree of dirt on the filter 8 is displayed on a differential pressure display member 13 installed at a place away from the filter 8, and used as a guide for cleaning or replacing the filter 8. A differential pressure setting member 14 such as a volume knob or a changeover switch is incorporated into the differential pressure display member 13 so that the differential pressure value can be arbitrarily set. As a clogging dummy, the differential pressure value is set so that when a patch paper is pasted on the filter 8, a clogging display appears, and when the patch paper is removed from the filter 8, the clogging display disappears.
なお、差圧表示部材１３はフィルター８や図示しない化
粧グリルで隠蔽されないように換気扇本体に内蔵されて
いても良いことはいうまでもない。It goes without saying that the differential pressure display member 13 may be built into the ventilation fan body so as not to be hidden by the filter 8 or a decorative grille (not shown).
発明の効果
以上の実施例から明らかなように、差圧表示部材に差圧
値を任意に設定するための差圧設定部材を組み込むこと
により、換気扇設置の状況に応じて適切な差圧が設定で
きることとなり、適正な目詰まり表示ができるフィルタ
ー付き換気扇を提供できる。Effects of the Invention As is clear from the above embodiments, by incorporating a differential pressure setting member for arbitrarily setting a differential pressure value into the differential pressure display member, an appropriate differential pressure can be set according to the ventilation fan installation situation. This makes it possible to provide a ventilation fan with a filter that can properly indicate clogging.
第１図は本発明の一実施例のフィルター付き換気扇の斜
視図、第２図は同フィルター付き換気扇の断面図、第３
図は従来のフィルター付き換気扇の断面図である。
ｌ・・・・・・換気扇本体、２・・・・・・開口部、４
・・・・・・取り付け部、５・・・・・・電動機、６・
・・・・・ファン、７・・・・・・差圧センサー本体、
８・・・・・・フィルター、１１・・・・・・管、１３
・・・・・・差圧表示部材、１４・旧・・差圧設定部材
。FIG. 1 is a perspective view of a ventilation fan with a filter according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the ventilation fan with a filter, and FIG.
The figure is a sectional view of a conventional ventilation fan with a filter. l... Ventilation fan body, 2... Opening, 4
...Mounting part, 5...Electric motor, 6.
...Fan, 7...Differential pressure sensor body,
8... Filter, 11... Tube, 13
...Differential pressure display member, 14. Old... Differential pressure setting member.
Claims (1)
内部より引き出された管などにより検知された室内圧力
との圧力差を検知する差圧センサー本体を内蔵し、下面
に開口部と、天井への取り付け部を設けた換気扇本体と
、前記開口部を閉蓋するフィルターと、前記差圧センサ
ーにより検出された圧力差がある設定値に達したことを
表示する差圧表示部材と、前記設定値を設定する差圧設
定部材とを備え、前記差圧設定部材により設定される設
定値を換気扇設置工事以降に任意に設定できるフィルタ
ー付き換気扇。It has a built-in differential pressure sensor body that detects the pressure difference between the electric motor, the fan, and the pressure inside the ventilation fan body and the indoor pressure detected by the pipe drawn out from inside the ventilation fan body. a ventilation fan body provided with an attachment part; a filter that closes the opening; a differential pressure display member that displays that the pressure difference detected by the differential pressure sensor has reached a certain set value; A ventilation fan with a filter, comprising a differential pressure setting member to set the pressure difference, and a setting value set by the differential pressure setting member can be arbitrarily set after installation work of the ventilation fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33829490A JPH04208346A (en) | 1990-11-30 | 1990-11-30 | Ventilator with filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP33829490A JPH04208346A (en) | 1990-11-30 | 1990-11-30 | Ventilator with filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04208346A true JPH04208346A (en) | 1992-07-30 |
Family
ID=18316783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP33829490A Pending JPH04208346A (en) | 1990-11-30 | 1990-11-30 | Ventilator with filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04208346A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142426A (en) * | 1992-11-11 | 1994-05-24 | Rinnai Corp | Air sucking device |
| CN104833051A (en) * | 2015-04-28 | 2015-08-12 | 广东美的制冷设备有限公司 | Detection method and detection device for dust deposition degree of filter screen as well as air regulating equipment |
| CN104833050A (en) * | 2015-04-28 | 2015-08-12 | 广东美的制冷设备有限公司 | Air regulator as well as detection device and detection method for dust deposition degree of filter screen of air conditioner regulator |
-
1990
- 1990-11-30 JP JP33829490A patent/JPH04208346A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142426A (en) * | 1992-11-11 | 1994-05-24 | Rinnai Corp | Air sucking device |
| CN104833051A (en) * | 2015-04-28 | 2015-08-12 | 广东美的制冷设备有限公司 | Detection method and detection device for dust deposition degree of filter screen as well as air regulating equipment |
| CN104833050A (en) * | 2015-04-28 | 2015-08-12 | 广东美的制冷设备有限公司 | Air regulator as well as detection device and detection method for dust deposition degree of filter screen of air conditioner regulator |
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