JP2011144967A5 - - Google Patents

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JP2011144967A5
JP2011144967A5 JP2010004382A JP2010004382A JP2011144967A5 JP 2011144967 A5 JP2011144967 A5 JP 2011144967A5 JP 2010004382 A JP2010004382 A JP 2010004382A JP 2010004382 A JP2010004382 A JP 2010004382A JP 2011144967 A5 JP2011144967 A5 JP 2011144967A5
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air conditioner
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本発明に係る空気調和機の室内機は、吸込口および吹出口が形成された室内機本体と、前記吸込口から前記吹出口に至る風路を形成する風路壁と、前記風路内に配置された送風機および熱交換器と、該熱交換器から滴下する水分を受け止めるドレンパンと、
前記風路壁の前記送風機よりも前記吹出口寄りの位置に形成され、前記風路壁の風路側の面に付着した着露水が通過自在な一つまたは複数のスリット状開口部と、を有することを特徴とする。 In the indoor unit of the air conditioner according to the present invention, an indoor unit main body in which an inlet and an outlet are formed, an air passage wall forming an air passage extending from the inlet to the outlet, and an air passage in the air passage and placed blower and heat exchanger, and de Renpan to receive water dripping from the heat exchanger,
The air passage wall is formed at a position closer to the air outlet than the blower , and has one or more slit-like openings through which dew water attached to the air passage side surface of the air passage wall can pass It is characterized by

本発明に係る空気調和機の室内機は、風路壁の風路側の面に付着した着露水が、スリット状開口部を通過して風路壁の反風路側に浸入し、着露水パンに受け止められ、さらに、風路壁の風路側の面に付着した着露水が通過自在な一つまたは複数のスリット状開口部と、を有するから、着露水の吹出口から室内への滴下（露落ち）が防止される。
また、着露水パンに着露水の発生を検知するセンサーを設置しても、風路抵抗が増すことはないから、省エネ運転が阻害されることがない。
さらに、スリット状開口部を風路壁の略幅（風流れに対して垂直方向の距離に同じ）に形成し、着露水パンに流入した着露水が集める位置（最下位置等）に、着露水の有無や増減を検知するセンサーを設置すれば、風路内の何れの位置において発生した着露水に対しても、早期にその発生を検知することが可能になる。そして、早期発見によって、早期に着露水の発生防止を実行すれば、着露水の発生が抑えられ、着露水の吹出口から室内への滴下（露落ち）がさらに防止され、快適性が向上する。 In the indoor unit of the air conditioner according to the present invention, the dew adhering to the air passage side wall of the air passage wall passes through the slit-like opening and intrudes into the air passage side of the air passage wall, thereby causing a dripping water pan. Since it has one or more slit-like openings through which it is possible to receive and allow dew water that has adhered to the air passage surface of the air passage wall to pass through , dripping of dew water into the room from the blowout port ) Is prevented.
Further, even if a sensor for detecting the occurrence of dew deposition water is installed in the dew deposition water pan, the wind path resistance does not increase, so the energy saving operation is not disturbed.
Furthermore, the slit-like opening is formed in the approximate width of the air passage wall (equal to the distance perpendicular to the air flow), and is attached at the position (lowermost position etc.) If a sensor for detecting the presence or absence or increase or decrease of dew water is installed, it is possible to detect the occurrence of dew condensation water generated at any position in the air path at an early stage. Then, if prevention of occurrence of dew deposition water is performed at an early stage by early detection, the occurrence of dew condensation water is suppressed, dripping of the dew deposition water from the blowout port into the room is further prevented, and comfort is improved. .

（大径側の着霜水排出部）
図５において、室内機２００の着露水パン２２に水位センサー８０が設置されている。このとき、パン底板２２ａは一方のパン端板２２ｃに向かって低くなるように傾斜し、パン底板２２ａの一方のパン端板２２ｃの近くに水抜孔（溜まり防止手段に相当する）２４が形成されている。また、水抜孔２４の近くに水位センサー８０が設置されている。
したがって、室内機２００において、吹出風路５の何れの位置（特に、円弧流れ部５ｂの幅方向の何れの位置）において着露水が発生しても、これが着露水パン２２に流入する。そして、水位センサー８０方向に流れ、着露水の発生量が水抜孔２４から流出する量より多い場合には、着露水は着露水パン２２に貯蔵される（水嵩が増す）。やがて、満杯になると、一方のパン端板２２ｃの上縁からオーバーフローして、排水路１６を経由して副ドレンパン７に流入する。 (Frost water outlet on the large diameter side)
In FIG. 5, the water level sensor 80 is installed on the dew inlet pan 22 of the indoor unit 200. At this time, the pan bottom plate 22a is inclined downward toward the one bread end plate 22c, and a water removal hole (corresponding to a retention preventing means) 24 is formed near the one bread end plate 22c of the pan bottom plate 22a. ing. In addition, a water level sensor 80 is installed near the drainage hole 24.
Therefore, in the indoor unit 200, even if dripping water is generated at any position of the blowout air path 5 (in particular, any position in the width direction of the arc flow portion 5b), it flows into the dripping water pan 22. And when it flows toward the water level sensor 80 and the generation amount of dew condensation water is larger than the quantity which flows out from the water drainage hole 24, the dew condensation water is stored in the dew condensation water pan 22 (water volume is increased). Eventually, when it is full, it overflows from the upper edge of one pan end plate 22 c and flows into the secondary drain pan 7 via the drainage channel 16.

（制御フロー）
図１０において、室内機４００の制御手段は、冷房運転が開始（ＯＮ）されると（Ｓ１）、冷房運転されていることを確認して（Ｓ２）、下水位センサー８１の検知結果を参照する（Ｓ３）。そして、下水位センサー８１が着露水を検知していない（ＯＦＦ）場合は、着露水の発生が無いと判断し（Ｓ４）、着露水の発生を防止するアクションを実行しないで（Ｓ５）、ステップ２に戻る。このとき、連続的に戻っても、一定時間毎に戻ってもよい。
一方、下水位センサー８１が着露水を検知（ＯＮ）した場合には、上水位センサー８３の検知結果を参照する（Ｓ６の３）。そして、上水位センサー８３が着露水を検知しない（ＯＦＦ）場合には、着露水の発生初期であると判断し（Ｓ７の２）、第１アクションを実行し（実行開始または実行継続、Ｓ８の２）、ステップ２に戻る。 (Control flow)
In FIG. 10, when the cooling operation is started (ON) (S1), the control means of the indoor unit 400 confirms that the cooling operation is performed (S2), and refers to the detection result of the lower water level sensor 81. ( S3 ). Then, when the lower water level sensor 81 does not detect the transpiration water (OFF), it is judged that there is no generation of the transpiration water (S4), and the action to prevent the generation of the transpiration water is not executed (S5). Go back to 2. At this time, it may return continuously or at regular intervals.
On the other hand, when the lower water level sensor 81 detects (on) the dripping water, the detection result of the upper water level sensor 83 is referred to (3 of S6). Then, when the upper water level sensor 83 does not detect the dewed water (OFF), it is judged that it is the initial generation of the dewed water (S7-2), and the first action is executed (execution start or execution continuation, S8 2) Return to step 2.

（制御フロー）
図１２において、室内機５００の制御手段は、冷房運転が開始（ＯＮ）されると（Ｓ１）、冷房運転されていることを確認して（Ｓ２）、水位変化センサー９０の検知結果を参照する（Ｓ３の２）。
そして、水位変化センサー９０が着露水の水面高さの変化（以下、「水面上昇速度」と称す）Ｖｍを検知していないで、まだ、アクションを実行していない場合（Ｓ６において、アクション継続時間Ｈｍが所定の判断時間Ｈ２未満、Ｈｍ＜Ｈ２）は、着露水の発生が無いまたは発生の極初期であると判断し（Ｓ４）、着露水の発生を防止するアクションを実行しないで（Ｓ５）、ステップ２に戻り、連続的に繰り返す。
また、水位変化センサー９０が着露水の水面上昇速度Ｖｍを検知していない（Ｖｍ＝０）で、アクション継続時間Ｈｍが所定の判断時間Ｈ２を経過した場合（Ｓ６において、Ｈ２≦Ｈｍ）は、着露水ピット４０が満水になっている状態であるから（Ｓ９）、前記第２のアクションが奏功していないと判断して冷房運転を停止（ＯＦＦ）する（Ｓ１０）。 (Control flow)
In FIG. 12, when the cooling operation is started (ON) (S1), the control means of the indoor unit 500 confirms that the cooling operation is performed (S2), and refers to the detection result of the water level change sensor 90. (2 of S3).
Then, change the water level change sensor 90 is the water surface height ChakuRo water (hereinafter, referred to as "water rising speed") Ide such not detect Vm, still, when (S6 not running action, action duration It is determined that Hm is less than the predetermined judgment time H2, Hm <H2) is no generation of dew deposition water or is the very early stage of generation (S4), and the action to prevent the generation of deposition water is not executed (S5) Return to step 2 and repeat continuously.
Also, when the water level change sensor 90 has not detected the water surface rising speed Vm of the incoming water (Vm = 0) and the action continuation time Hm has passed the predetermined judgment time H2 (H2 ≦ Hm in S6 ), Since the drip water pit 40 is full (S9), it is determined that the second action is not successful, and the cooling operation is stopped (OFF) (S10).

一方、水位変化センサー９０が着露水の水面上昇を検知した場合（０＜Ｖｍ）、着露水が発生した初期であると判断し（Ｓ７）、アクションを実行（Ｓ８）し、ステップ２に戻る。このとき、水面上昇速度Ｖｍの大きさに応じて、アクションの強さを変更してもよい。例えば、水面上昇速度Ｖｍが所定の上昇速度Ｖ１よりも小さい場合は、着露水の単位時間当たりの発生量が比較的少ないとして、蒸発温度の上昇量を小さくし（例えば、１℃）、一方、水面上昇速度Ｖｍが所定の上昇速度Ｖ１よりも大きい場合は、着露水の単位時間当たりの発生量が比較的多いとして、蒸発温度の上昇量を大きく（例えば、３℃）する。あるいは、水面上昇速度Ｖｍの関数によって蒸発温度の上昇量を定めてもよい。 On the other hand, when the water level change sensor 90 detects the rising of the surface of the dripping water ( 0 <Vm ), it is judged that it is the initial stage of dripping water generation ( S7 ), the action is executed (S8), and the process returns to step 2. At this time, according to the size of the water rise velocity Vm, it may change the intensity of the action. For example, when the water surface rising speed Vm is smaller than the predetermined rising speed V1, the rising amount of evaporation temperature is reduced (for example, 1 ° C.) on the assumption that the generation amount of dewing water per unit time is relatively small. When the water surface rising speed Vm is larger than the predetermined rising speed V1, the rising amount of the evaporation temperature is made large (for example, 3 ° C.) on the assumption that the amount of dew condensation water generated per unit time is relatively large. Alternatively, the amount of increase in evaporation temperature may be determined by a function of the water surface elevation velocity Vm.

（制御フロー）
図１５において、室内機７００の制御手段は、冷房運転が開始（ＯＮ）されると（Ｓ１）、冷房運転されていることを確認して（Ｓ２）、下水位センサー８１の検知結果を参照する（Ｓ３）。そして、下水位センサー８１が着露水を検知していない（ＯＦＦ）場合は、着露水の発生が無いと判断し（Ｓ４）、着露水の発生を防止するアクションを実行しないで（Ｓ５）、ステップ２に戻る。このとき、連続的に戻っても、一定時間毎に戻ってもよい。
一方、下水位センサー８１が着露水を検知（ＯＮ）した場合は、上水位センサー８３が着露水の検知結果を参照する（Ｓ６の３）と共に、下水位センサー８１がＯＮしてからの経過時間（以下、「センサー経過時間Ｓｍ」と称す）を参照する（Ｓ６の５）。 (Control flow)
In FIG. 15, when the cooling operation is started (ON) (S1), the control means of the indoor unit 700 confirms that the cooling operation is performed (S2), and refers to the detection result of the lower water level sensor 81. (S3). Then, when the lower water level sensor 81 does not detect the transpiration water (OFF), it is judged that there is no generation of the transpiration water (S4), and the action to prevent the generation of the transpiration water is not executed (S5). Go back to 2. At this time, it may return continuously or at regular intervals.
On the other hand, when the lower water level sensor 81 detects the dewed water (ON), the upper water level sensor 83 refers to the detection result of the dewed water ( 3 of S6 ) and the elapsed time since the lower water level sensor 81 is turned ON (Hereinafter, referred to as “sensor elapsed time Sm”) ( 5 in S6 ).

そして、上水位センサー８３が着露水を検知しない（ＯＦＦ）で、且つ、センサー経過時間Ｓｍが所定のセンサー判断時間Ｓ１よりも短い場合は（Ｓｍ＜Ｓ１）、詰まりがなく、着露水の発生初期と判断し（Ｓ７）、アクションを実行し（実行開始または実行継続、Ｓ８）、ステップ２に戻る。
また、上水位センサー８３が着露水を検知しない（ＯＦＦ）で、且つ、センサー経過時間Ｓｍが所定のセンサー判断時間Ｓ１以上の場合は（Ｓ６の５において、Ｓ１≦Ｓｍ）、着露水の発生が無いにも関わらず、底水抜孔２４が詰まっていると判断し（Ｓ７の５）、アクションを停止（Ｓ５）し、ステップ２に戻る。 Then, if the upper water level sensor 83 does not detect dripping water (OFF) and the sensor elapsed time Sm is shorter than the predetermined sensor judgment time S1 (Sm <S1), there is no clogging, and the dripping water generation initial stage ( S7 ), execute the action (execution start or execution continuation, S8), and return to step 2.
Further, in the upper water level sensor 83 does not detect the ChakuRo water (OFF), and, (in 5 of S6, S1 ≦ Sm) when the sensor elapsed time S m is equal to or greater than a predetermined sensor determination time S1, the generation of ChakuRosui Although it is determined that the bottom water drainage hole 24 is clogged (5 of S7), the action is stopped (S5), and the process returns to Step 2.

さらに、上水位センサー８３が着露水を検知し（ＯＮ）、且つ、センサー−経過時間Ｓｍが所定のセンサー判断時間Ｓ１よりも短い場合は（Ｓ６の４において、Ｓｍ＜Ｓ１）、底水抜孔２４が詰まっているものの、着露水の発生初期と判断し（Ｓ７の６）、アクションを実行し（Ｓ８）、ステップ２に戻る。
また、上水位センサー８３が着露水を検知し（ＯＮ）、且つ、センサー経過時間Ｓｍが所定のセンサー判断時間Ｓ１以上の場合は（Ｓ６の４において、Ｓ１≦Ｓｍ）、底水抜孔２４が詰まって、着露水ピット４０が満水状態であると判断し（Ｓ９）、冷房運転を停止（ＯＦＦ）する（Ｓ１０）。
なお、底水抜孔２４および壁水抜孔４４の両方が詰まっている状態では、冷房運転を継続することができなくなるため、上水位センサー８３が着露水を検知（ＯＮ）してからの継続時間を測定して、該継続時間が所定の判断時間を超えた場合には、「底水抜孔２４および壁水抜孔４４の両方が詰まっている」ことを、報知するようにしてもよい。 Furthermore, when the upper water level sensor 83 detects the water exposure (ON) and the sensor elapsed time Sm is shorter than the predetermined sensor judgment time S1 (S4: 4, Sm <S1), the bottom water drainage hole 24 Although it is clogged, it is judged that it is in the initial stage of the occurrence of dew condensation water (6 of S7), the action is executed (S8), and the process returns to step 2.
In addition, when the upper water level sensor 83 detects the dripping water (ON) and the sensor elapsed time Sm is equal to or more than the predetermined sensor judgment time S1 (S1 4 in S6, S1 ≦ Sm), the bottom water drainage hole 24 is clogged. It is determined that the water receiving pit 40 is full (S9), and the cooling operation is stopped (OFF) (S10).
In addition, in the state where both the bottom water drainage hole 24 and the wall water drainage hole 44 are clogged, the cooling operation can not be continued, so the continuation time after the upper water level sensor 83 detects dripping water (ON) In measurement, when the continuation time exceeds a predetermined determination time, it may be notified that "both the bottom water drainage hole 24 and the wall water drainage hole 44 are clogged".

Claims (19)

吸込口および吹出口が形成された室内機本体と、
前記吸込口から前記吹出口に至る風路を形成する風路壁と、
前記風路内に配置された送風機および熱交換器と、
該熱交換器から滴下する水分を受け止めるドレンパンと、
前記風路壁の前記送風機よりも前記吹出口寄りの位置に形成され、前記風路壁の風路側の面に付着した着露水が通過自在な一つまたは複数のスリット状開口部と、
を有することを特徴とする空気調和機の室内機。 An indoor unit body having an inlet and an outlet formed therein;
An air passage wall forming an air passage extending from the suction port to the air outlet;
A blower and a heat exchanger disposed in the air passage;
A drain pan for receiving water dropped from the heat exchanger;
One or more slit-like openings formed at positions closer to the air outlet than the blower on the air passage wall and through which dew water attached to the air passage side surface of the air passage wall can pass .
An indoor unit of an air conditioner characterized by having . 前記スリット状開口部の周縁の一部に沿って前記風路壁の反風路側の面に水位センサーが設置され、
該水位センサーが前記スリット状開口部を通過する着露水を検知することを特徴とする請求項１記載の空気調和機の室内機。 A water level sensor is installed on a surface of the air passage wall on the side opposite to the air passage along a part of the periphery of the slit opening.
The indoor unit of an air conditioner according to claim 1, wherein the water level sensor detects dewed water passing through the slit-like opening. 前記水位センサーが前記スリット状開口部を通過する着露水を検知した際、前記熱交換器に供給される冷媒の蒸発温度を高め、その後、前記水位センサーが前記スリット状開口部を通過する着露水の減少または消滅を検知した際に、前記熱交換器に供給される冷媒の蒸発温度を下げる制御手段を有することを特徴とする請求項２記載の空気調和機の室内機。   When the water level sensor detects dew condensation water passing through the slit opening, the evaporation temperature of the refrigerant supplied to the heat exchanger is increased, and thereafter, the water dew sensor passes through the slit opening The indoor unit of the air conditioner according to claim 2, further comprising control means for lowering the evaporation temperature of the refrigerant supplied to the heat exchanger when it detects the decrease or disappearance of the air conditioner. 前記スリット状開口部の下方で前記風路壁の反風路側の面に形成され、前記スリット状開口部を通過して前記風路壁の反風路側に浸入した着露水が流入する着露水パンと、着露水パンから流出した着露水を排水の為、前記主ドレンパン等に流入させる一つまたは複数の排水路とを有し、前記風路壁の風路側の面に付着して流下し、前記スリット状開口部を通過して前記風路壁の反風路側に浸入した着露水が、前記着露水パンおよび前記排水路を経由して、前記主ドレンパン等に排出される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調和機の室内機。 Underlying the slit-like opening, it is formed on the surface of the air-passage wall on the side opposite to the air-passage, and the dew-flowing water flows into the air-passage side of the air-passage wall passing through the slit-like opening If, for draining ChakuRo water flowing out of the ChakuRosui pan, and a one or more drainage channel for flowing in the main drain pan, etc., flows down to adhere to the surface of the wind roadside of the air duct wall, The dewed water which has passed through the slit-like opening and entered the counterflow path side of the air flow path wall is drained to the main drain pan or the like through the dewed water pan and the drainage path. The indoor unit of the air conditioner according to any one of claims 1 to 3. 前記着露水パンに形成され、一定量以上に流入した着露水を前記排水路に排出するための満水排出手段と、
前記着露水パンに形成され、流入した着露水の停留を防止して前記排水路に排出するための溜まり防止手段と、
前記着露水パンに設置され、前記着露水パンに着露水が流入したことを検知する水位センサーと、
を有することを特徴とする請求項１乃至４の何れかに記載の空気調和機の室内機。 A full-water draining means for draining dewdrop water formed in the dripping water pan and having flowed into a certain amount or more into the drainage channel;
Means for preventing stagnation of inflowing dew formed in the dripping water pan and discharging it to the drainage channel;
A water level sensor installed in the irrigated water pan and detecting that the irrigated water has flowed into the irrigated water pan;
The indoor unit of the air conditioner according to any one of claims 1 to 4, characterized in that 前記水位センサーが前記着露水パンに着露水が流入したことを検知した際、前記熱交換器に供給される冷媒の蒸発温度を高め、その後、前記水位センサーが前記着露水パンから着露水が流出したことを検知した際、前記熱交換器に供給される冷媒の蒸発温度を下げる制御手段を有することを特徴とする請求項５記載の空気調和機の室内機。   When the water level sensor detects that dripping water has flowed into the dripping water pan, the evaporation temperature of the refrigerant supplied to the heat exchanger is increased, and then the dripping water flows out from the dripping water pan. The indoor unit of an air conditioner according to claim 5, further comprising control means for lowering the evaporation temperature of the refrigerant supplied to the heat exchanger when it detects that the heat exchanger has been detected. 前記着露水パンにカップ状の凹部である着露水ピットが設けられ、
該着露水ピットの上縁が前記満水排出手段を形成し、
前記着露水ピットの側壁に前記水位センサーが設置され、
前記着露水ピットの底に前記溜まり防止手段として機能する底水抜孔が形成されていることを特徴とする請求項５または６記載の空気調和機の室内機。 There is a drip water pit which is a cup-shaped concave portion in the drip water pan,
The upper edge of the drip water pit forms the full discharge means.
The water level sensor is installed on the side wall of the dripping water pit,
The indoor unit of the air conditioner according to claim 5 or 6, wherein a bottom water draining hole functioning as the accumulation preventing means is formed at the bottom of the dripping water pit. 前記着露水ピットの側壁に形成され、前記底水抜孔が前記溜まり防止手段として機能しなくなった場合に、前記溜まり防止手段として機能する壁水抜孔を備え、
前記水位センサーが前記壁水抜孔の上下にそれぞれ設置されていることを特徴とする請求項７記載の空気調和機の室内機。 The water drainage hole is formed on the side wall of the dripping water pit, and functions as the stagnation preventing device when the bottom water drainage hole does not function as the stagnation preventing device,
The indoor unit of an air conditioner according to claim 7, wherein the water level sensors are respectively installed above and below the wall water drainage holes. 前記水位センサーが、対向した導電板の間に着露水が浸入した際、該導電板間に生じる静電容量の変化を検知するものであることを特徴とする請求項５乃至８の何れかに記載の空気調和機の室内機。   9. The water level sensor according to any one of claims 5 to 8, wherein, when dew condensation water infiltrates between opposed conductive plates, a change in capacitance generated between the conductive plates is detected. Indoor unit of air conditioner. 前記着露水パンに形成され、一定量以上に流入した着露水を前記排水路に排出するための満水排出手段と、
前記着露水パンに形成され、流入した着露水の停留を防止して前記排水路に排出するための溜まり防止手段と、
前記着露水パンに設置され、前記着露水パンに流入する着露水の流入量の変化を検知する水位変化センサーと、
前記水位変化センサーが前記流入量が増加していることを検知した際、前記熱交換器に供給される冷媒の蒸発温度を高め、その後、前記水位変化センサーが前記流入量が減少していることを検知した際、前記熱交換器に供給される冷媒の蒸発温度を下げる制御手段と、
を有することを特徴とする請求項１乃至４の何れかに記載の空気調和機の室内機。 A full-water draining means for draining dewdrop water formed in the dripping water pan and having flowed into a certain amount or more into the drainage channel;
Means for preventing stagnation of inflowing dew formed in the dripping water pan and discharging it to the drainage channel;
A water level change sensor installed in the irrigated water pan and detecting a change in inflow of the irrigated water flowing into the irrigated water pan;
When the water level change sensor detects that the inflow amount is increasing, the evaporation temperature of the refrigerant supplied to the heat exchanger is increased, and then the water level change sensor decreases the inflow amount Control means for decreasing the evaporation temperature of the refrigerant supplied to the heat exchanger when detecting
The indoor unit of the air conditioner according to any one of claims 1 to 4, characterized in that 前記着露水パンにカップ状の凹部である着露水ピットが設けられ、
該着露水ピットの上縁が前記満水排出手段を形成し、
前記着露水ピットの側壁に前記水位変化センサーが設置され、
前記着露水ピットの底に前記溜まり防止手段として機能する底水抜孔が形成されていることを特徴とする請求項１０記載の空気調和機の室内機。 There is a drip water pit which is a cup-shaped concave portion in the drip water pan,
The upper edge of the drip water pit forms the full discharge means.
The water level change sensor is installed on the side wall of the dripping water pit,
11. The air conditioner indoor unit according to claim 10, wherein a bottom water draining hole functioning as the accumulation preventing means is formed at the bottom of the dripping water pit. 前記着露水ピットの側壁に形成され、前記底水抜孔が前記溜まり防止手段として機能しなくなった場合に、前記溜まり防止手段として機能する壁水抜孔を備え、
前記水位変化センサーが前記壁水抜孔の上下にそれぞれ設置されていることを特徴とする請求項１１記載の空気調和機の室内機。 The water drainage hole is formed on the side wall of the dripping water pit, and functions as the stagnation preventing device when the bottom water drainage hole does not function as the stagnation preventing device,
The indoor unit of the air conditioner according to claim 11, wherein the water level change sensors are respectively installed above and below the wall water drainage hole. 前記水位変化センサーが、対向した導電板の間に着露水が浸入した際、該導電板間に生じる静電容量の変化を検知するものであることを特徴とする請求項１０乃至１２の何れかに記載の空気調和機の室内機。   The water level change sensor according to any one of claims 10 to 12, characterized in that when dew condensation water intrudes between the opposed conductive plates, it detects a change in capacitance generated between the conductive plates. Air conditioner indoor unit. 前記制御手段が、前記熱交換器に供給される冷媒の蒸発温度を高めた時間が、所定時間を超えた時、前記熱交換器への冷媒の供給を停止することを特徴とする請求項５乃至１３の何れかに記載の空気調和機の室内機。   The control method is characterized in that the supply of the refrigerant to the heat exchanger is stopped when the time for which the evaporation temperature of the refrigerant supplied to the heat exchanger is increased exceeds a predetermined time. 15. The indoor unit of the air conditioner according to any one of 13. 前記制御手段が、前記熱交換器に供給される冷媒の蒸発温度を高めるのに替えて、前記送風機の回転数を減らし、且つ、前記熱交換器に供給される冷媒の蒸発温度を下げるのに替えて、前記送風機の回転数を高めることを特徴とする請求項５乃至１４の何れかに記載の空気調和機の室内機。   Instead of increasing the evaporation temperature of the refrigerant supplied to the heat exchanger, the control means reduces the rotational speed of the blower and lowers the evaporation temperature of the refrigerant supplied to the heat exchanger. The air conditioner indoor unit according to any one of claims 5 to 14, wherein the rotational speed of the blower is increased instead. 前記制御手段が、前記送風機の回転数を減らした時間が、所定時間を超えた時、前記熱交換器への冷媒の供給を停止することを特徴とする請求項１５記載の空気調和機の室内機。   The room of the air conditioner according to claim 15, wherein the control means stops the supply of the refrigerant to the heat exchanger when the time for which the rotational speed of the blower has been reduced exceeds a predetermined time. Machine. 前記風路壁の反風路側の面に、前記排水路の一部を構成する副ドレンパンが設置され、
前記満水排出手段を通過して溢れ出した着露水が前記副ドレンパンに流入することを特徴とする請求項５乃至１６の何れかに記載の空気調和機の室内機。 An auxiliary drain pan, which constitutes a part of the drainage channel, is installed on the surface of the air channel wall on the side opposite to the air channel,
The indoor unit of an air conditioner according to any one of claims 5 to 16, wherein the dew condensation water which has overflowed through the full water drain means flows into the sub drain pan. 前記風路壁の反風路側の面で前記スリット状開口部の上方に、前記着露水パンを覆う着露水パン庇が形成され、
前記スリット状開口部を通過して反風路側に浸入した着露水が、前記着露水パン庇の下面を伝わって前記着露水パンに滴下し、
前記風路壁の反風路側の面に付着して流下した水分が、前記着露水パン庇の上面を伝わって前記副ドレンパンに滴下することを特徴とする請求項１７記載の空気調和機の室内機。 A weir water pan is formed above the slit-like opening on the side of the air passage wall on the side opposite to the air passage, covering the weir water pan.
The dew-flowing water that has passed through the slit-like opening and has entered the anti-airway side travels along the lower surface of the drip-off water pan and drops to the drip-off water pan,
The room of the air conditioner according to claim 17, wherein the water adhering to the surface on the side opposite to the air path of the air path wall and flowing down is dropped on the sub drain pan along the upper surface of the drip water pan. Machine. 前記スリット状開口部が、前記風路壁の風路側の面に付着して流下する着露水は通過自在で、前記送風機によって吹き出された空気は通過困難な透湿浸透膜によって閉塞されていることを特徴とする請求項１乃至１８の何れかに記載の空気調和機の室内機。   It is possible that the dripping water attached to the air passage side wall of the air passage wall can flow freely through the slit-like opening, and the air blown out by the blower is blocked by the moisture permeable permeation membrane which is difficult to pass through. The indoor unit of the air conditioner according to any one of claims 1 to 18, characterized in that
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