JP2009097755A5

JP2009097755A5 -

Info

Publication number: JP2009097755A5
Application number: JP2007267923A
Authority: JP
Filing date: 2007-10-15
Publication date: 2009-07-30
Anticipated expiration: 2027-10-15

Claims

凝縮器、蒸発器、並びに前記凝縮器及び前記蒸発器内を流れる冷媒を圧縮する圧縮機を有する冷凍サイクルと、
吸込口から吸い込んだ空気を前記蒸発器で熱交換した後に吹出口に送風する送風機と、
前記吹出口に回動可能に設けられ、回動して前記送風機によって前記吹出口から吹き出される空気の吹出方向に対して異なる方向に送風可能とする風向板と、
前記吹出口を通過する空気温度を検出または推定する吹出空気温度検出手段と、
前記風向板で結露を生じないときの吹出空気温度の下限を閾値として予め設定し、前記吹出空気温度検出手段により検出または推定された前記吹出口を通過する空気温度と前記閾値を比較し、前記風向板に結露を生じると判断した場合には前記風向板を前記吹出方向に対して所定の範囲内の角度である露付き安全角度をなす位置に回動させ、前記風向板に結露を生じないと判断した場合には前記風向板を前記吹出方向に対して前記露付き安全角度よりも大きな角度をなす位置に回動可能とする風向板制御装置と、
を備えたことを特徴とする空気調和機。 A refrigeration cycle having a condenser, an evaporator, and a compressor that compresses the refrigerant flowing through the condenser and the evaporator;
An air blower that blows air to the air outlet after heat exchange of the air sucked from the air inlet with the evaporator;
Rotatably provided on the outlet, a wind direction plate that allows blow in different directions by the blower rotates with respect to the blowout direction of the air blown out from the air outlet,
A blown air temperature detecting means for detecting or estimating an air temperature passing through the blowout port;
Wherein the lower limit of the outlet air temperature when no condensation in the wind direction plate is preset as a threshold value, comparing the outlet air temperature detecting means air temperature and the threshold value passing by Ri detected or estimated the air outlet to the When it is determined that condensation occurs on the wind direction plate, the wind direction plate is rotated to a position that forms a dew safety angle that is an angle within a predetermined range with respect to the blowing direction, and the wind direction plate is condensed. A wind direction plate control device capable of rotating the wind direction plate to a position that forms an angle larger than the dew safety angle with respect to the blowing direction when it is determined that it does not occur;
An air conditioner characterized by comprising:

前記風向板は垂直方向に回動して前記吹出方向に対して垂直方向に異なる方向に送風可能とする上下風向板であり、前記風向板制御装置で、前記風向板に結露を生じないと判断した場合には、前記風向板を前記露付き安全角度よりも垂直方向に大きな角度をなす位置に回動可能とすることを特徴とする請求項１記載の空気調和機。 The wind direction plate is a vertical wind direction plate that rotates in a vertical direction and allows air to be blown in a direction different from a direction perpendicular to the blowing direction, and the wind direction plate control device determines that no condensation occurs on the wind direction plate. In this case, the air conditioner according to claim 1, wherein the wind direction plate can be rotated to a position that forms a larger angle in the vertical direction than the safe angle with dew.

前記風向板は水平方向に回動して前記吹出方向に対して水平方向に異なる方向に送風可能とする左右風向板であり、前記風向板制御装置で、前記風向板に結露が生じないと判断した場合には、前記風向板を前記露付き安全角度よりも水平方向に大きな角度をなす位置に回動可能とすることを特徴とする請求項１または請求項２記載の空気調和機。 The wind direction plate is a left and right wind direction plate that rotates in a horizontal direction and allows air to be blown in different directions in the horizontal direction with respect to the blowing direction, and the wind direction plate control device determines that no condensation occurs on the wind direction plate. The air conditioner according to claim 1 or 2, wherein the wind direction plate can be rotated to a position that forms a larger angle in the horizontal direction than the safe angle with dew.

前記吹出空気温度検出手段は、前記吹出口に固定した吹出空気温度センサであり、この吹出空気温度センサで前記吹出口を通過する空気温度を検出することを特徴とする請求項１乃至請求項３のいずれか１項に記載の空気調和機。 The outlet air temperature detecting means is a blown-air temperature sensor is fixed to the air outlet, claims 1 to 3, characterized in that for detecting the temperature of air passing through the air outlet in the blowout air temperature sensor The air conditioner according to any one of the above.

前記吹出空気温度検出手段は、前記蒸発器に固定した配管温度センサであり、前記配管温度センサで検出する配管温度から前記吹出口を通過する空気温度を推定することを特徴とする請求項１乃至請求項３のいずれか１項に記載の空気調和機。 The said blown air temperature detection means is a pipe temperature sensor fixed to the evaporator, and estimates an air temperature passing through the outlet from a pipe temperature detected by the pipe temperature sensor. The air conditioner according to claim 3.

前記吹出空気温度検出手段は、前記圧縮機の回転数を検出する手段であり、検出した前記圧縮機の回転数から前記吹出口を通過する空気温度を推定することを特徴とする請求項１乃至請求項３のいずれか１項に記載の空気調和機。 The said blown air temperature detection means is a means for detecting the rotational speed of the compressor, and estimates the temperature of air passing through the outlet from the detected rotational speed of the compressor. The air conditioner according to claim 3.

凝縮器、蒸発器、並びに前記凝縮器及び前記蒸発器内を流れる冷媒を圧縮する圧縮機を有する冷凍サイクルと、
吸込口から吸い込んだ空気を前記蒸発器で熱交換した後に吹出口に送風する送風機と、
前記吹出口に回動可能に設けられ、回動して前記送風機によって前記吹出口から吹き出される空気の吹出方向に対して異なる方向に送風可能とする風向板と、
前記圧縮機の回転数を制御する圧縮機回転数制御装置と、
前記風向板で結露を生じないときの圧縮機回転数の上限を回転数閾値として予め設定し、前記圧縮機の回転数と前記回転数閾値に基づいて前記風向板の回動を制御する風向板制御装置と、を備え、
前記風向板制御装置が、前記圧縮機の回転数が前記回転数閾値よりも高い場合には前記風向板を前記吹出方向に対して所定の範囲内の角度である露付き安全角度をなす位置に回動させ、前記圧縮機の回転数が前記回転数閾値よりも低い場合には前記風向板を前記露付き安全角度よりも大きな角度をなす位置に回動可能とすることを特徴とする空気調和機。 A refrigeration cycle having a condenser, an evaporator, and a compressor that compresses the refrigerant flowing through the condenser and the evaporator;
An air blower that blows air to the air outlet after heat exchange of the air sucked from the air inlet with the evaporator;
Rotatably provided on the outlet, a wind direction plate that allows blow in different directions by the blower rotates with respect to the blowout direction of the air blown out from the air outlet,
A compressor rotation speed control device for controlling the rotation speed of the compressor;
A wind direction plate that presets the upper limit of the compressor rotation speed when no condensation occurs in the wind direction plate as a rotation speed threshold value, and controls the rotation of the wind direction plate based on the rotation speed of the compressor and the rotation speed threshold value. A control device,
The louver controlling device, in a position wherein when the rotational speed of the compressor is higher than the rotation speed threshold at an angle a which dew safety angle within a predetermined range of the wind direction plate to the delivery direction It is rotated, wherein when the rotational speed of the compressor is lower than the rotational speed threshold, wherein the benzalkonium be rotatable with the wind direction plate in a position forming a large kina angle than the dew safety angle Air conditioner.

前記送風機は回転数が可変であるものとし、前記送風機の回転数に応じて少なくとも２以上の前記回転数閾値を設定することを特徴とする請求項７記載の空気調和機。 The blower shall speed is variable, the air conditioner according to claim 7, wherein the setting at least two or more of the rotational speed threshold value according to the rotation speed of the blower.