JPH102592A - Method for detecting clogging of filter in air-conditioner - Google Patents
Method for detecting clogging of filter in air-conditionerInfo
- Publication number
- JPH102592A JPH102592A JP8152504A JP15250496A JPH102592A JP H102592 A JPH102592 A JP H102592A JP 8152504 A JP8152504 A JP 8152504A JP 15250496 A JP15250496 A JP 15250496A JP H102592 A JPH102592 A JP H102592A
- Authority
- JP
- Japan
- Prior art keywords
- clogging
- filter
- wind speed
- air conditioner
- blower 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、天井埋込型空気調
和機等のフィルタの目詰まり検出装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for detecting clogging of a filter of a ceiling-mounted air conditioner or the like.
【０００２】[0002]
【従来の技術】一般に、天井設置の化粧パネルに飾りグ
リルを設け、この飾りグリルにフィルタを設けた天井埋
込型空気調和機が知られている（特開平２−２３３９２
０号公報）。この種のものは、化粧パネルから飾りグリ
ルを取り外すことにより、フィルタを取り外すことがで
きるので、それ以前のものに比べると、フィルタの清掃
時に当該フィルタを着脱する作業が簡単になるという利
点がある。2. Description of the Related Art There is generally known an embedded ceiling type air conditioner in which a decorative grille is provided on a decorative panel installed on a ceiling and a filter is provided on the decorative grille (Japanese Patent Laid-Open No. 23392/1990).
No. 0). This type of filter has an advantage that the filter can be removed by removing the decorative grille from the decorative panel, so that the operation of attaching and detaching the filter when cleaning the filter is simplified as compared with the previous one. .
【０００３】ところで、天井埋め込み型に限らず、空気
調和機のフィルタは運転時間の時間の経過に伴って汚れ
による目詰まりを起こすため、適当な時期に交換ないし
は洗浄する必要がある。[0003] By the way, the filter of the air conditioner is not limited to the ceiling-mounted type, and the filter of the air conditioner may be clogged with dirt as the operation time elapses. Therefore, it is necessary to replace or clean the filter at an appropriate time.
【０００４】従来、フィルタの目詰まり検出は、室内機
に設けられた送風ファンの運転時間の累積値を求め、所
定の累積運転時間に達したとき、適当な警告表示を行う
ようになっていた。Conventionally, filter clogging is detected by calculating the cumulative value of the operating time of a blower fan provided in an indoor unit, and displaying an appropriate warning when a predetermined cumulative operating time is reached. .
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、フィル
タの目詰まりの要因には、累積運転時間ばかりではな
く、送風ファンの風速や当該空気調和機の使用環境も含
まれるのであり、上記従来の検出方法では実状に即した
正確な目詰まり状態を検出することはできなかった。However, the causes of filter clogging include not only the cumulative operation time but also the wind speed of the blower fan and the operating environment of the air conditioner. However, it was not possible to accurately detect the clogging state according to the actual situation.
【０００６】本発明の目的は、フィルタの目詰まりを正
確に検出可能な目詰まり検出装置を提供することにあ
る。It is an object of the present invention to provide a clogging detection device capable of accurately detecting clogging of a filter.
【０００７】[0007]
【課題を解決するための手段】上記課題を解決するため
に、請求項１に記載の発明は、空気調和機の空気吸込口
に設けられたフィルタの目詰まり状態を送風ファンの運
転時間に基づいて検出する方法において、前記送風ファ
ンの運転時における風速に応じて重み付けされた風速係
数値と、前記送風ファンの累積運転時間とに基づいて前
記フィルタの目詰まりを検出するよう構成される。According to a first aspect of the present invention, a filter provided at an air inlet of an air conditioner is clogged based on the operating time of a blower fan. And detecting the clogging of the filter based on a wind speed coefficient value weighted according to a wind speed during operation of the blower fan and an accumulated operation time of the blower fan.
【０００８】また、請求項２に記載の発明は、空気調和
機の空気吸込口に設けられたフィルタの目詰まり状態を
送風ファンの運転時間に基づいて検出する方法におい
て、前記送風ファンの運転時における風速に応じて重み
付けされた風速係数値（Ｆ）と前記送風ファンの累積運
転時間（Ｔ）との積（Ｆ×Ｔ）で表される目詰まり検出
値（Ｘ）を算出し、算出された目詰まり検出値（Ｘ）と
予め定められた目詰まり参照値（Ｘｓ）とを比較し、そ
の比較結果に基づいて警報を出力するよう構成される。According to a second aspect of the present invention, there is provided a method for detecting a clogged state of a filter provided at an air suction port of an air conditioner based on an operation time of the blower fan. The clogging detection value (X) represented by the product (F × T) of the wind speed coefficient value (F) weighted according to the wind speed at (C) and the cumulative operation time (T) of the blower fan is calculated and calculated. The detected clogging value (X) is compared with a predetermined clogging reference value (Xs), and an alarm is output based on the comparison result.
【０００９】上記請求項１および２に記載の発明によれ
ば、送風ファンの累積運転時間に加えて送風ファンの風
速に応じて重み付けされた風速係数値を加味して目詰ま
り状態の判断が行われるので、より正確な目詰まりを検
出することができる。According to the first and second aspects of the present invention, the clogging state is determined by taking into account the wind speed coefficient value weighted according to the wind speed of the blower fan in addition to the cumulative operation time of the blower fan. Therefore, more accurate clogging can be detected.
【００１０】請求項３に記載の発明は、 空気調和機の
空気吸込口に設けられたフィルタの目詰まり状態を送風
ファンの運転時間に基づいて検出する方法において、前
記送風ファンの運転時における風速に応じて重み付けさ
れた風速係数値（Ｆ）と前記送風ファンの累積運転時間
（Ｔ）との積（Ｆ×Ｔ）で表される目詰まり検出値
（Ｘ）を算出し、算出された目詰まり検出値（Ｘ）と当
該空気調和機の使用環境に応じて定められた目詰まり参
照値（Ｘｓ）とを比較し、その比較結果に基づいて警報
を出力するよう構成される。According to a third aspect of the present invention, there is provided a method for detecting a clogged state of a filter provided at an air suction port of an air conditioner based on an operation time of the blower fan. The clogging detection value (X) represented by the product (F × T) of the wind speed coefficient value (F) weighted according to the above and the cumulative operation time (T) of the blower fan is calculated. The clogging detection value (X) is compared with a clogging reference value (Xs) determined according to the use environment of the air conditioner, and an alarm is output based on the comparison result.
【００１１】請求項３に記載の発明によれば、目詰まり
参照値（Ｘｓ）を空気調和機の使用環境に応じて定めら
れた値に設定することができるので、送風ファンの累積
運転時間および送風ファンの風速に応じて重み付けされ
た風速係数値にくわえて、使用環境をも加味して目詰ま
り状態の判断が行われるので、一層正確でより実状すな
わち使用環境に即した目詰まり状態を検出することがで
きる。According to the third aspect of the present invention, the clogging reference value (Xs) can be set to a value determined according to the use environment of the air conditioner. In addition to the wind speed coefficient value weighted according to the wind speed of the blower fan, the clogging state is determined in consideration of the usage environment, so that the clogging state that is more accurate and more realistic, that is, the clogging state according to the usage environment is detected. can do.
【００１２】[0012]
【発明の実施の形態】次に、本発明の好適な実施の形態
を図面に基づいて説明する。 （Ｉ）空気調和機 図２に、天井埋込型空気調和機の概要を示す。図２にお
いて、室外機１００から冷媒が室内機１０１の冷媒回路
に送られる。室内機１０１の中央には空気吸込口３が設
けられ、この空気吸込口３にはフィルタ２４がとりつけ
られている。４は空気吹出口を示している。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of the present invention will be described with reference to the drawings. (I) Air Conditioner FIG. 2 shows an outline of the ceiling-mounted air conditioner. In FIG. 2, the refrigerant is sent from the outdoor unit 100 to the refrigerant circuit of the indoor unit 101. An air inlet 3 is provided at the center of the indoor unit 101, and a filter 24 is attached to the air inlet 3. Reference numeral 4 denotes an air outlet.
【００１３】図３に、天井埋込型空気調和機の室内機１
０１の詳細を示す。室内機１０１は、天井内部１に収納
される板金製のユニット本体２と、中央に吸込口３を外
周部の４辺に吹出口４を有し、天井穴５を塞ぐように天
井面６に設けられる化粧パネル７と、中央に吸気口８を
有する飾りグリル９とから構成されている。なお、図３
において、１０はターボファン１１と天板１２に取付け
られたファン用モータ１３とからなる送風機、１４は吸
気口８からの室内空気をターボファン１１に案内するノ
ズル口、１５は内側立上がり部１５ａと外側立上がり部
１５ｂとを有し、角張った環形状に発泡スチロールで形
成されたドレンパン、１６はターボファン１１の吐出側
にこのファンを取囲むように環状に配置されたプレート
フィン型熱交換器である。そして、１７はユニット本体
２の周面に巻付けられた断熱材、２１は前記熱交換器１
６で熱交換された空気を吹出口４へ導く導風部、２２は
ユニット本体２を吊具で天井梁に吊下げるための吊下げ
ボルト、２４は飾りグリル９下流側に取り付けられたフ
ィルタである。FIG. 3 shows an indoor unit 1 of a ceiling-mounted air conditioner.
01 is shown in detail. The indoor unit 101 has a unit body 2 made of sheet metal housed in a ceiling interior 1, a suction port 3 in the center, and outlets 4 on four sides of an outer peripheral portion, and the ceiling surface 6 is covered with a ceiling hole 5. It comprises a decorative panel 7 to be provided and a decorative grille 9 having an air inlet 8 in the center. Note that FIG.
, 10 is a blower comprising a turbo fan 11 and a fan motor 13 attached to a top plate 12, 14 is a nozzle port for guiding room air from the intake port 8 to the turbo fan 11, and 15 is an inner rising portion 15a. A drain pan having an outer rising portion 15b and formed of styrofoam in an angular ring shape, and a plate fin type heat exchanger 16 is annularly arranged on the discharge side of the turbo fan 11 so as to surround the fan. . Reference numeral 17 denotes a heat insulating material wound around the peripheral surface of the unit body 2, and reference numeral 21 denotes the heat exchanger 1.
A baffle for guiding the heat exchanged air to the outlet 4 at 6, a hanging bolt 22 for hanging the unit body 2 to a ceiling beam with a hanging tool, and a filter 24 attached to the downstream side of the decoration grill 9. is there.
【００１４】フィルタ２４の目詰まりは、当該室内機１
０１における送風ファンの風速別の運転時間の累積値に
よって検出される。図示しないが、これらの計算および
検出は、室内機１０１内に設けられ当該室内機１０１を
統括的に制御するマイクロコンピュータに格納された検
出プログラムの手順に従って実行される。The clogging of the filter 24 is caused by the indoor unit 1
01 is detected by the accumulated value of the operation time for each wind speed of the blower fan. Although not shown, these calculations and detections are executed in accordance with the procedure of a detection program stored in a microcomputer provided in the indoor unit 101 and controlling the entire indoor unit 101.
【００１５】図１に、フィルタの目詰まり検出手順の例
を示す。この検出プログラムは例えば１分周期で実行さ
れる。図１において、まず初期化が行われ（ステップＳ
１）、次いで目詰まり参照時間Ｘｓがセットされる（ス
テップＳ２）。目詰まり参照時間Ｘｓは、例えば Ｘｓ＝６００００分 ＝１０００時間 とされる。FIG. 1 shows an example of a procedure for detecting clogging of a filter. This detection program is executed, for example, in a one-minute cycle. In FIG. 1, first, initialization is performed (step S
1) Then, the clogging reference time Xs is set (step S2). The clogging reference time Xs is, for example, Xs = 60000 minutes = 1000 hours.
【００１６】次に、風速モードごとの重みＦがセットさ
れる。風速モードごとの重みＦとしては、例えば、 微風モードの重みＦＬＬ＝０．１ 弱風モードの重みＦＬ ＝０．５ 強風モードの重みＦＨ ＝１．０ 急風モードの重みＦＨＨ＝１．５ のように設定される。Next, a weight F for each wind speed mode is set. As the weight F for each wind speed mode, for example, the weight FLL of the light wind mode = 0.1, the weight FL of the weak wind mode = 0.5, the weight FH of the strong wind mode = 1.0, and the weight FHH = 1.5 of the storm mode It is set as follows.
【００１７】次に、ステップＳ４で当該空気調和機の運
転状態（停止しているか否か）が確認され、運転状態
（ＹＥＳ）であれば、ステップＳ４〜８において、風速
モードが「微風ＬＬ」「弱風Ｌ」「強風Ｈ」「急風Ｈ
Ｈ」のいずれに該当するかが検出され、その判断結果に
応じて、ステップＳ９〜１７の演算が行われる。Next, in step S4, the operation state (whether or not stopped) of the air conditioner is confirmed, and if the operation state is (YES), the wind speed mode is set to "light wind LL" in steps S4 to S8. "Weak wind L""strong wind H""quick wind H"
H ”is detected, and the calculations in steps S9 to S17 are performed according to the determination result.
【００１８】すなわち、微風モードＬＬの場合（ステッ
プＳ５、ＹＥＳ）、ステップＳ９において、前回の累積
運転時間ＴＬＬに”１”が加算された後、ステップＳ１
０において風速を加味した累積運転時間ＸＬＬが演算さ
れる。風速を加味した累積運転時間ＸＬＬは ＸＬＬ＝ＦＬＬ×ＴＬＬ …（１） で求められる。That is, in the case of the light wind mode LL (step S5, YES), "1" is added to the previous cumulative operation time TLL in step S9, and then step S1 is performed.
At 0, the cumulative operation time XLL taking into account the wind speed is calculated. The cumulative operation time XLL taking into account the wind speed is obtained by the following expression: XLL = FLL × TLL (1)
【００１９】弱風モードＬの場合（ステップＳ６、ＹＥ
Ｓ）には、ステップＳ１１において前回の累積運転時間
ＴＬに”１”が加算されてインクリメントされた後（Ｔ
Ｌ←ＴＬ＋１）、ステップＳ１２において風速を加味し
た累積運転時間ＸＬが演算される。風速を加味した累積
運転時間ＸＬは ＸＬ＝ＦＬ×ＴＬ …（２） で求められる。In the case of the low wind mode L (step S6, YE
In step S11, “1” is added to the previous cumulative operation time TL in step S11 and the value is incremented (T
L ← TL + 1), and in step S12, the cumulative operation time XL taking into account the wind speed is calculated. The cumulative operation time XL taking into account the wind speed is obtained as follows: XL = FL × TL (2)
【００２０】強風モードＨの場合（ステップＳ７、ＹＥ
Ｓ）には、ステップＳ１３において、前回の累積運転時
間ＴＬＬに”１”が加算された後（ＴＨ←ＴＨ＋１）、
ステップＳ１４において風速を加味した累積運転時間Ｘ
Ｈが演算される。風速を加味した累積運転時間ＸＨは ＸＨ＝ＦＨ×ＴＨ …（３） で求められる。In the case of the strong wind mode H (step S7, YE
In step S13, after “1” is added to the previous cumulative operation time TLL in step S13 (TH ← TH + 1),
In step S14, the cumulative operation time X considering the wind speed
H is calculated. The cumulative operation time XH taking into account the wind speed is obtained by XH = FH × TH (3).
【００２１】急風モードＨＨの場合（ステップＳ８、Ｙ
ＥＳ）には、ステップＳ１５において、前回の累積運転
時間ＴＨＨに”１”が加算された後（ＴＨＨ←ＴＨＨ＋
１）、ステップＳ１６において風速を加味した累積運転
時間ＸＨＨが演算される。風速を加味した累積運転時間
ＸＨＨは ＸＨＨ＝ＦＨＨ×ＴＨＨ …（４） で求められる。In the case of the rapid wind mode HH (step S8, Y
ES), after “1” is added to the previous cumulative operation time THH in step S15 (THH ← THH +
1) In step S16, the cumulative operation time XHH considering the wind speed is calculated. The cumulative operation time XHH taking into account the wind speed is obtained by XHH = FHH × THH (4).
【００２２】以上の送風モード別の各累積運転時間ＴＬ
Ｌ〜ＴＨＨは、ステップＳ１７において加算され、総合
累積運転時間Ｘが算出される。総合累積運転時間Ｘは Ｘ＝ＸＬ＋ＸＬＬ＋ＸＨ＋ＸＨＨ …（５） で求められる。Each of the cumulative operation times TL for each of the above blowing modes
L to THH are added in step S17 to calculate the total cumulative operation time X. The total cumulative operation time X is obtained by the following equation: X = XL + XLL + XH + XHH (5)
【００２３】次いで、総合累積運転時間Ｘは、予め設定
された目詰まり参照時間Ｘｓと比較、すなわち Ｘ≧Ｘｓ …（６） の演算が行われ、総合累積運転時間Ｘが目詰まり参照時
間Ｘｓを越えた場合（ステップＳ１８、ＹＥＳ）、ステ
ップＳ１９により警報が出力される。警報としては、当
該空気調和機のリモートコントロール操作端末に設けら
れた液晶表示部等への警告マークの表示、あるいは警告
音との組み合わせなどが考えられる。以上の動作を具体
的に示すと、次の通りである。Next, the total cumulative operating time X is compared with a preset clogging reference time Xs, that is, the calculation of X ≧ Xs (6) is performed, and the total cumulative operating time X is set to the clogging reference time Xs. If it exceeds (step S18, YES), an alarm is output in step S19. As the alarm, a display of a warning mark on a liquid crystal display unit or the like provided in a remote control operation terminal of the air conditioner, a combination with a warning sound, or the like can be considered. The above operation is specifically described as follows.
【００２４】（具体例１）フィルタ目詰まり参照時間Ｘ
ｓ＝６００００分（１０００時間）として、強風モード
Ｈで１０００時間の運転が行われると、総合累積運転時
間Ｘは（５式）により Ｘ＝０＋０＋（１．０×６００００）＋０ ＝６００００分 ＝１０００時間 となり、この時点で目詰まり状態の検出によるフィルタ
交換等の警告となる。(Specific Example 1) Filter Clogging Reference Time X
Assuming that s = 60000 minutes (1000 hours) and 1000 hours of operation is performed in the strong wind mode H, the total cumulative operation time X is given by (Equation 5). X = 0 + 0 + (1.0 × 60000) + 0 = 60000 minutes = 1000 At this time, a warning such as filter replacement is detected by detecting the clogged state.
【００２５】（具体例２）微風モードＬＬで５００時
間、弱風モードＬで４００時間、強風モードＨで５００
時間および急風モードで５００時間の運転が行われたと
すると、総合累積運転時間Ｘは Ｘ＝（０．１＋３０００）＋（０．５×２４０００）＋（１．０×３０００） ＋（１．５×１２０００）＝６３０００分 ＝１０５０時間 となり、この時点で目詰まり状態の検出によるフィルタ
交換等の警告となる。(Specific Example 2) 500 hours in light wind mode LL, 400 hours in low wind mode L, 500 hours in strong wind mode H
Assuming that 500 hours of operation has been performed in the time and blast mode, the total accumulated operation time X is X = (0.1 + 3000) + (0.5 × 24000) + (1.0 × 3000) + (1.5 × 12000) = 63000 minutes = 1050 hours. At this point, a warning such as filter replacement due to detection of a clogged state is issued.
【００２６】(III)第２の実施の形態 次に、フィルタ目詰まり検出方法の第２の実施の形態に
ついて説明する。(III) Second Embodiment Next, a second embodiment of the filter clogging detection method will be described.
【００２７】第１の実施の形態においては、ステップＳ
２において目詰まり参照時間ＴＳを一律にセットした
が、フィルタ２４の汚れは当該空気調和機が設置された
使用環境によって種々異なる。そこで、図１に示すステ
ップＳ２におけるＸｓ使用環境に応じた時間に設定する
ことにより、実状に応じたフィルタの交換が可能とな
る。目詰まり参照時間Ｘｓは、例えば のように設定する。In the first embodiment, step S
In 2, the clogging reference time TS is set uniformly, but the contamination of the filter 24 varies depending on the use environment in which the air conditioner is installed. Therefore, by setting the time according to the Xs usage environment in step S2 shown in FIG. 1, it is possible to replace the filter according to the actual situation. The clogging reference time Xs is, for example, Set as follows.
【００２８】このように、目詰まり参照時間Ｘｓを適宜
使用環境に適合させることにより、ステップＳ１８およ
び１９において空気調和機の使用環境に応じた警報が出
力されることになる。なお、その他の検出動作は図１の
手順に従うので詳細な説明は省略する。As described above, by appropriately adjusting the clogging reference time Xs to the use environment, an alarm corresponding to the use environment of the air conditioner is output in steps S18 and S19. Note that other detection operations follow the procedure of FIG. 1, and thus detailed description is omitted.
【００２９】[0029]
【発明の効果】以上の通り、請求項１および２に記載の
発明によれば、送風ファンの累積運転時間に加えて送風
ファンの風速に応じて重み付けされた風速係数値を加味
して目詰まり状態の判断が行われるので、より正確な目
詰まりを検出することができる。As described above, according to the first and second aspects of the present invention, clogging is performed by taking into account the wind speed coefficient value weighted according to the wind speed of the blower fan in addition to the cumulative operation time of the blower fan. Since the state is determined, more accurate clogging can be detected.
【００３０】また、請求項３に記載の発明によれば、目
詰まり参照値（Ｘｓ）を空気調和機の使用環境に応じて
定められた値に設定することができるので、送風ファン
の累積運転時間および送風ファンの風速に応じて重み付
けされた風速係数値にくわえて、使用環境をも加味して
目詰まり状態の判断が行われるので、一層正確でより実
状すなわち使用環境に即した目詰まり状態を検出するこ
とができる。According to the third aspect of the present invention, since the clogging reference value (Xs) can be set to a value determined according to the use environment of the air conditioner, the cumulative operation of the blower fan is performed. In addition to the wind speed coefficient value weighted according to the time and the wind speed of the blower fan, the clogging state is determined in consideration of the usage environment, so that the clogging state is more accurate and more realistic, that is, in accordance with the usage environment. Can be detected.
【図１】本発明の目詰まり検出方法の検出手順を示すフ
ローチャートである。FIG. 1 is a flowchart showing a detection procedure of a clogging detection method according to the present invention.
【図２】本発明に係る空気調和機の概要構成を示すブロ
ック図である。FIG. 2 is a block diagram illustrating a schematic configuration of an air conditioner according to the present invention.
【図３】室内機のフィルタの設置例を示す縦断面図であ
る。FIG. 3 is a longitudinal sectional view showing an example of installation of a filter of an indoor unit.
１ 天井内部 ２ 本体 ３ 吸込口 ４ 吹き出し口 ５ 天井穴 ６ 天井面 ７ 化粧パネル ８ 吸気口 ９ グリル １０ 送風機 １１ ターボファン １２ 天板 １３ ファンモータ １４ ノズル口 １５ ドレンパン １６ プレートフィン型熱交換器 １７ 断熱材 ２１ 導風部 ２２ 吊り下げボルト ２４ フィルタ DESCRIPTION OF SYMBOLS 1 Inside of ceiling 2 Main body 3 Inlet 4 Outlet 5 Ceiling hole 6 Ceiling surface 7 Decorative panel 8 Inlet 9 Grill 10 Blower 11 Turbo fan 12 Top plate 13 Fan motor 14 Nozzle port 15 Drain pan 16 Plate fin type heat exchanger 17 Heat insulation Material 21 Wind guide 22 Hanging bolt 24 Filter
Claims (3)
ィルタの目詰まり状態を送風ファンの運転時間に基づい
て検出する方法において、 前記送風ファンの運転時における風速に応じて重み付け
された風速係数値と、前記送風ファンの累積運転時間と
に基づいて前記フィルタの目詰まりを検出することを特
徴とする空気調和機のフィルタ目詰まり検出方法。1. A method for detecting a clogged state of a filter provided at an air suction port of an air conditioner based on an operation time of a blower fan, wherein the wind speed is weighted according to a wind speed during operation of the blower fan. A method for detecting clogging of a filter of an air conditioner, comprising detecting clogging of the filter based on a coefficient value and a cumulative operation time of the blower fan.
ィルタの目詰まり状態を送風ファンの運転時間に基づい
て検出する方法において、 前記送風ファンの運転時における風速に応じて重み付け
された風速係数値（Ｆ）と前記送風ファンの累積運転時
間（Ｔ）との積（Ｆ×Ｔ）で表される目詰まり検出値
（Ｘ）を算出し、算出された目詰まり検出値（Ｘ）と予
め定められた目詰まり参照値（Ｘｓ）とを比較し、その
比較結果に基づいて警報を出力することを特徴とする空
気調和機のフィルタ目詰まり検出方法。2. A method for detecting a clogged state of a filter provided in an air suction port of an air conditioner based on an operation time of a blower fan, wherein the wind speed is weighted according to a wind speed during operation of the blower fan. A clogging detection value (X) represented by a product (F × T) of the coefficient value (F) and the cumulative operation time (T) of the blowing fan is calculated, and the calculated clogging detection value (X) is calculated. A method for detecting clogging of a filter of an air conditioner, comprising comparing a predetermined clogging reference value (Xs) with an alarm and outputting an alarm based on the comparison result.
ィルタの目詰まり状態を送風ファンの運転時間に基づい
て検出する方法において、 前記送風ファンの運転時における風速に応じて重み付け
された風速係数値（Ｆ）と前記送風ファンの累積運転時
間（Ｔ）との積（Ｆ×Ｔ）で表される目詰まり検出値
（Ｘ）を算出し、算出された目詰まり検出値（Ｘ）と当
該空気調和機の使用環境に応じて定められた目詰まり参
照値（Ｘｓ）とを比較し、その比較結果に基づいて警報
を出力することを特徴とする空気調和機のフィルタ目詰
まり検出方法。3. A method for detecting a clogged state of a filter provided at an air suction port of an air conditioner based on an operation time of a blower fan, wherein the wind speed is weighted according to a wind speed during operation of the blower fan. A clogging detection value (X) represented by a product (F × T) of the coefficient value (F) and the cumulative operation time (T) of the blowing fan is calculated, and the calculated clogging detection value (X) is calculated. A method for detecting clogging of a filter of an air conditioner, comprising comparing a clogging reference value (Xs) determined according to a use environment of the air conditioner, and outputting an alarm based on the comparison result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15250496A JP3695846B2 (en) | 1996-06-13 | 1996-06-13 | Method for detecting filter clogging in an air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15250496A JP3695846B2 (en) | 1996-06-13 | 1996-06-13 | Method for detecting filter clogging in an air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH102592A true JPH102592A (en) | 1998-01-06 |
| JP3695846B2 JP3695846B2 (en) | 2005-09-14 |
Family
ID=15541910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15250496A Expired - Fee Related JP3695846B2 (en) | 1996-06-13 | 1996-06-13 | Method for detecting filter clogging in an air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3695846B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001124382A (en) * | 1999-10-26 | 2001-05-11 | Daikin Ind Ltd | Air supply unit |
| US7194340B2 (en) | 2003-11-19 | 2007-03-20 | Fujitsu Limited | Method of controlling the number of revolutions of fan in electronic device |
| JP2017506579A (en) * | 2014-12-31 | 2017-03-09 | シャオミ・インコーポレイテッド | Method, apparatus, program, and storage medium for identifying remaining usage period |
| WO2018177069A1 (en) * | 2017-04-01 | 2018-10-04 | 青岛海尔空调器有限总公司 | Method and device for use in controlling air conditioner self-cleaning |
| CN115751608A (en) * | 2022-11-11 | 2023-03-07 | 宁波奥克斯电气股份有限公司 | Filth blockage detection method and device for air conditioner indoor unit and air conditioner |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10830481B2 (en) | 2018-10-24 | 2020-11-10 | Haie US Appliance Solutions, Inc. | Detecting blockage of air conditioner unit based on fan speed |
| US11193684B2 (en) | 2018-10-24 | 2021-12-07 | Haier Us Appliance Solutions, Inc. | Detecting blockage of air conditioner unit based on control signal |
-
1996
- 1996-06-13 JP JP15250496A patent/JP3695846B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001124382A (en) * | 1999-10-26 | 2001-05-11 | Daikin Ind Ltd | Air supply unit |
| US7194340B2 (en) | 2003-11-19 | 2007-03-20 | Fujitsu Limited | Method of controlling the number of revolutions of fan in electronic device |
| JP2017506579A (en) * | 2014-12-31 | 2017-03-09 | シャオミ・インコーポレイテッド | Method, apparatus, program, and storage medium for identifying remaining usage period |
| WO2018177069A1 (en) * | 2017-04-01 | 2018-10-04 | 青岛海尔空调器有限总公司 | Method and device for use in controlling air conditioner self-cleaning |
| US11391477B2 (en) | 2017-04-01 | 2022-07-19 | Chongqing Haier Air Conditioner Corp., Ltd. | Method and device for controlling self-cleaning of air conditioner |
| CN115751608A (en) * | 2022-11-11 | 2023-03-07 | 宁波奥克斯电气股份有限公司 | Filth blockage detection method and device for air conditioner indoor unit and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3695846B2 (en) | 2005-09-14 |
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