JP2015048948A - Indoor machine of air conditioner, and air conditioner - Google Patents
Indoor machine of air conditioner, and air conditioner Download PDFInfo
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- JP2015048948A JP2015048948A JP2013178791A JP2013178791A JP2015048948A JP 2015048948 A JP2015048948 A JP 2015048948A JP 2013178791 A JP2013178791 A JP 2013178791A JP 2013178791 A JP2013178791 A JP 2013178791A JP 2015048948 A JP2015048948 A JP 2015048948A
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- wind direction
- direction plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air-Flow Control Members (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Duct Arrangements (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
本発明は、空気調和機の室内機及び空気調和機に関する。 The present invention relates to an indoor unit of an air conditioner and an air conditioner.
特許文献１には、下側の上下風向板を下側ケーシングのほぼ延長上に配置し、下側ケーシングと下側の上下風向板の一端を、ほぼ隙間なく近接するようにしたことにより、同近接部から吹出空気が漏れにくくなって送風の効率を低下させないようにした空気調和機が開示されている。 In Patent Document 1, the lower vertical wind direction plate is disposed almost on the extension of the lower casing, and one end of the lower casing and the lower vertical wind direction plate is brought close to each other with almost no gap. An air conditioner is disclosed in which the blown air is less likely to leak from the proximity portion and the efficiency of blowing is not reduced.
しかし、特許文献１の空気調和機では、通常冷房運転モード時に、下側の上下風向板により高温多湿の室内空気と低温の吐出空気が遮断され、下側上下風向板の裏面から表面に熱伝導し、高温多湿の室内空気にさらされた下側上下風向板の表面側に結露が発生する。結露した水滴は成長及び集合して、室内の家具または床に落下する恐れがある。 However, in the air conditioner disclosed in Patent Document 1, in the normal cooling operation mode, the lower vertical airflow direction plate blocks the hot and humid room air and the low temperature discharge air, and conducts heat from the back surface of the lower vertical airflow direction plate to the surface. In addition, condensation occurs on the surface side of the lower vertical wind direction plate exposed to hot and humid room air. Condensed water droplets can grow and collect and fall onto indoor furniture or the floor.
本発明は、高い送風効率を実現しつつ、上下風向板の結露を抑制する空気調和機の室内機を提供することを目的とする。 An object of this invention is to provide the indoor unit of the air conditioner which implement | achieves high ventilation efficiency and suppresses dew condensation of an up-and-down wind direction board.
本発明の空気調和機は、吸込口と吹出口とを結ぶ空気通路と、空気通路に配置された室内熱交換器と、空気通路に配置され、室内熱交換器の下流側に位置する室内送風ファンと、吹出口の上部を構成する上側ケーシングと、吹出口の下部を構成する下側ケーシングと、吹出口に配置された下側上下風向板と、下側上下風向板の上流側端部における上面が下側ケーシングの延長線上又は下側ケーシングの延長線より下方に位置する能力優先モードと、下側上下風向板の上流側端部における上面が下側ケーシングの延長線より上方に位置する通常冷房運転モードとを備え、通常冷房運転モードにおける下側上下風向板と下側ケーシングの間の距離は、能力優先モードにおける下側上下風向板と下側ケーシングの間の距離より長い。 The air conditioner of the present invention includes an air passage connecting an inlet and an outlet, an indoor heat exchanger disposed in the air passage, and an indoor fan disposed in the air passage and located downstream of the indoor heat exchanger. At the upstream end of the fan, the upper casing that constitutes the upper part of the air outlet, the lower casing that constitutes the lower part of the air outlet, the lower vertical wind direction plate arranged at the air outlet, and the lower vertical wind direction plate A capacity priority mode in which the upper surface is located above or below the extension line of the lower casing, and the upper surface at the upstream end of the lower vertical wind direction plate is usually located above the extension line of the lower casing. A cooling operation mode, and the distance between the lower vertical wind direction plate and the lower casing in the normal cooling operation mode is longer than the distance between the lower vertical wind direction plate and the lower casing in the capacity priority mode.
本発明によれば、高い送風効率を実現しつつ、上下風向板の結露を抑制する空気調和機の室内機を提供することができる。 ADVANTAGE OF THE INVENTION According to this invention, the indoor unit of the air conditioner which suppresses dew condensation of an up-and-down wind direction board can be provided, implement | achieving high ventilation efficiency.
本発明の実施形態について、適宜図面を参照しながら詳細に説明する。なお、各図において共通する部分には同一の符号を付し、重複した説明を省略する。
（第１実施形態）
図１は第１実施形態に係る空気調和機のサイクル構成図である。冷房運転時は、圧縮機３４より吐出された高温且つ高圧の冷媒は、四方弁３５を介して室外熱交換機３７に流入する。室外熱交換機３７に流入した冷媒は、室外送風ファン３８によって送られる室外の空気と熱交換することで、凝縮されて液冷媒となる。液冷媒は、膨張弁３６を通過することで低温低圧の二相冷媒になり、室内熱交換器５に流入する。室内熱交換器５に流入した低温低圧の二相冷媒は、室内送風ファン６によって送られる室内の空気と熱交換する。このとき、室内熱交換器５に送られた室内の空気は、室内熱交換器５に流入した低温低圧の二相冷媒によって冷却され、吹出口３から室内に吐出される。吹出口３から室内に吐出される空気は、吸込口２における空気の温度よりも低いため、室内の温度を下げることができる。室内熱交換器５で熱交換された冷媒は四方弁３５を介して再び圧縮機３４に戻る。
Embodiments of the present invention will be described in detail with reference to the drawings as appropriate. In addition, the same code | symbol is attached | subjected to the common part in each figure, and the overlapping description is abbreviate | omitted.
(First embodiment)
FIG. 1 is a cycle configuration diagram of the air conditioner according to the first embodiment. During the cooling operation, the high-temperature and high-pressure refrigerant discharged from the compressor 34 flows into the outdoor heat exchanger 37 via the four-way valve 35. The refrigerant flowing into the outdoor heat exchanger 37 is condensed and becomes liquid refrigerant by exchanging heat with the outdoor air sent by the outdoor fan 38. The liquid refrigerant passes through the expansion valve 36 to become a low-temperature and low-pressure two-phase refrigerant and flows into the indoor heat exchanger 5. The low-temperature and low-pressure two-phase refrigerant that has flowed into the indoor heat exchanger 5 exchanges heat with the indoor air sent by the indoor blower fan 6. At this time, the indoor air sent to the indoor heat exchanger 5 is cooled by the low-temperature and low-pressure two-phase refrigerant flowing into the indoor heat exchanger 5 and discharged into the room from the outlet 3. Since the air discharged from the blower outlet 3 into the room is lower than the temperature of the air at the suction port 2, the room temperature can be lowered. The refrigerant heat-exchanged by the indoor heat exchanger 5 returns to the compressor 34 again via the four-way valve 35.
圧縮機３４と室外熱交換器３７と室外送風ファン３８と膨張弁３６は室外機に配置され、室内熱交換器５と室内送風ファン６は室内機１に配置されている。 The compressor 34, the outdoor heat exchanger 37, the outdoor blower fan 38, and the expansion valve 36 are arranged in the outdoor unit, and the indoor heat exchanger 5 and the indoor blower fan 6 are arranged in the indoor unit 1.
図２は第１実施形態に係る室内機の側面に沿った断面図である。空気調和機の室内機１は、吸込口２と吹出口３とを結ぶ空気通路４と、化粧枠１３と、化粧枠１３に固定され、室内機前面に配置された化粧パネル１２を備える。さらに、空気調和機の室内機１は、化粧パネル１２及び化粧枠１３の内部であって、空気通路４に配置された室内熱交換器５と、化粧パネル１２と室内熱交換器５の間に位置する前面側フィルタ１４ａ、及び、上部化粧枠１３ａの下方に位置する上面側フィルタ１４ｂから構成されるフィルタ１４を備える。上面側フィルタ１４ｂの直下には、塵埃が除去された空気と熱交換する室内熱交換器５が配置され、フィルタ１４によって塵埃が除去された空気がΛ形状（逆Ｖ形状）の室内熱交換器５に流れる。室内の空気を吸い込む吸込口２は、室内機１本体の上部（化粧パネル１２及び上面側フィルタ１４ｂの上方）に位置し、吸込口２から吸い込まれた空気は塵埃を除去する上面側フィルタ１４ｂに流れる。 FIG. 2 is a cross-sectional view along the side surface of the indoor unit according to the first embodiment. The indoor unit 1 of the air conditioner includes an air passage 4 connecting the suction port 2 and the air outlet 3, a decorative frame 13, and a decorative panel 12 that is fixed to the decorative frame 13 and arranged on the front surface of the indoor unit. Furthermore, the indoor unit 1 of the air conditioner is located inside the decorative panel 12 and the decorative frame 13 and between the indoor heat exchanger 5 disposed in the air passage 4 and between the decorative panel 12 and the indoor heat exchanger 5. The filter 14 comprised from the front surface side filter 14a located and the upper surface side filter 14b located under the upper decorative frame 13a is provided. An indoor heat exchanger 5 for exchanging heat with air from which dust has been removed is disposed directly below the upper surface side filter 14b, and the air from which dust has been removed by the filter 14 is an Λ-shaped (inverted V shape) indoor heat exchanger. Flows to 5. The air inlet 2 for sucking indoor air is located at the upper part of the indoor unit 1 main body (above the decorative panel 12 and the upper surface side filter 14b), and the air sucked from the air inlet 2 is applied to the upper surface side filter 14b for removing dust. Flowing.
化粧パネル１２の下方には吹出口３が設けられ、熱交換された空気が吹出口３から室内機１の前方に吹き出される。室内送風ファン（送風用貫流ファン）６は、吸込口２から室内熱交換器５を経由して吹出口３へ向かう空気通路４であって、室内熱交換器５の下流側に配置され、吹出口３から熱交換された空気を吹き出す。 The blower outlet 3 is provided below the decorative panel 12, and the heat-exchanged air is blown out from the blower outlet 3 to the front of the indoor unit 1. The indoor air blower fan (airflow once-through fan) 6 is an air passage 4 from the suction port 2 to the air outlet 3 via the indoor heat exchanger 5 and is disposed on the downstream side of the indoor heat exchanger 5. Air that has undergone heat exchange is blown out from the outlet 3.
キャビネット１５が壁面に固定される。室内熱交換器５の下側には、室内熱交換器５で結露した水を受けるドレンパン１６が配置される。キャビネット１５及びドレンパン１６により、ファン６の下流側の空気通路４を発生させるための下流側風洞１７が構成されている。 The cabinet 15 is fixed to the wall surface. A drain pan 16 that receives water condensed in the indoor heat exchanger 5 is disposed below the indoor heat exchanger 5. The cabinet 15 and the drain pan 16 constitute a downstream wind tunnel 17 for generating the air passage 4 on the downstream side of the fan 6.
下流側風洞１７の上側には上側ケーシング１８、下側には下側ケーシング１１が配置される。上側ケーシング１８は吹出口３の上部を構成し、下側ケーシング１１は吹出口３の下部を構成する。 An upper casing 18 is disposed on the upper side of the downstream wind tunnel 17, and a lower casing 11 is disposed on the lower side. The upper casing 18 constitutes the upper part of the outlet 3, and the lower casing 11 constitutes the lower part of the outlet 3.
また、下流側風洞１７のファン６側とは反対側の端面が吹出口３となる。左右風向板３３、下流側風洞１７の下側に配置された下側上下風向板１０と、下流側風洞１７の上側に配置された上側上下風向板９が吹出口３に配置されている。ここで、吹出口３に配置には、吹出口３の近傍の下流側風洞１７に配置される場合が含まれる。下側上下風向板１０は、制御部によって、運転停止時に吹出口３を閉じ、冷房運転時や暖房運転時に吹出口３を開ける。 Further, the end face of the downstream side wind tunnel 17 on the side opposite to the fan 6 side becomes the blowout port 3. A left and right wind direction plate 33, a lower vertical wind direction plate 10 disposed below the downstream side wind tunnel 17, and an upper vertical wind direction plate 9 disposed above the downstream side wind tunnel 17 are disposed at the outlet 3. Here, the arrangement at the air outlet 3 includes a case where it is arranged in the downstream wind tunnel 17 in the vicinity of the air outlet 3. The lower vertical wind direction plate 10 closes the air outlet 3 when the operation is stopped, and opens the air outlet 3 during the cooling operation or the heating operation, by the control unit.
上側上下風向板９は風路の中に配置されているため、冷房運転時上側上下風向板９の上面と下面に流れる空気に温度差が生じないため、上下風向板９が結露することはない。 Since the upper vertical wind direction plate 9 is disposed in the air passage, there is no temperature difference between the air flowing on the upper and lower surfaces of the upper vertical wind direction plate 9 during the cooling operation, so the vertical wind direction plate 9 does not condense. .
一方、下側上下風向板１０は上面と下面で温度差が生じるため、結露が生じる。そのため、下側上下風向板１０の上面と下面の熱の伝達を防ぐため、下側上下風向板１０は熱抵抗が大きいウレタンフォームなどの断熱材２８を挟んで構成される。 On the other hand, the lower vertical wind direction plate 10 has a temperature difference between the upper surface and the lower surface, and thus condensation occurs. Therefore, in order to prevent heat transfer between the upper and lower surfaces of the lower vertical wind direction plate 10, the lower vertical wind direction plate 10 is configured with a heat insulating material 28 such as urethane foam having a large thermal resistance interposed therebetween.
次に、上下風向板の動作について、図３、図４を用いて説明する。図３は、第１実施形態に係る室内機吹出口の能力優先モード時における拡大側面断面図である。能力優先モードについては、冷房運転時または暖房運転時の設定温度と室内温度との差が大きく、大きな冷房能力または暖房能力が必要となる場合に使用する。 Next, the operation of the vertical wind direction plate will be described with reference to FIGS. FIG. 3 is an enlarged side sectional view in the capacity priority mode of the indoor unit outlet according to the first embodiment. The capacity priority mode is used when the difference between the set temperature during the cooling operation or the heating operation and the room temperature is large and a large cooling capacity or heating capacity is required.
例えば、冷房運転または暖房運転の運転開始時に設定温度と室温が所定以上の差があるときに使用する。冷房能力および暖房能力は吸込口２と吹出口３の温度差と風量の積で決定され、風量が多い方がより冷房能力・暖房能力は高くなる。このとき室内送風ファン６の回転数を上昇させることで風量は多くなるが同時に騒音も上昇する。つまり送風効率を上げることができれば低騒音で能力を上昇させることができる。 For example, it is used when there is a difference between the set temperature and the room temperature at a predetermined level or more at the start of cooling operation or heating operation. The cooling capacity and the heating capacity are determined by the product of the temperature difference between the air inlet 2 and the air outlet 3 and the air volume, and the air capacity increases as the air volume increases. At this time, increasing the number of rotations of the indoor fan 6 increases the air volume, but at the same time increases the noise. That is, if the ventilation efficiency can be increased, the performance can be increased with low noise.
能力優先モード時には、下側上下風向板の軸２１を中心に下側上下風向板１０を回動し、下側上下風向板１０の上流側端部上面２６ａが下側ケーシング１１の延長線上又は下側ケーシング１１の延長線より下方に位置するように配置される。これにより、下流側風洞１７を通過する冷風２２または温風２３の送風抵抗が小さくでき、吹き出し風量を低下させることなく、効率良く室内に冷風２２または温風２３を送り出すことができる。上側上下風向板９及び下側上下風向板１０については、ステップモータ２４などの駆動部品２５により上側上下風向板の軸２０及び下側上下風向板の軸２１を中心に回動する。下側上下風向板１０の上面とは、下側上下風向板１０のうち上側上下風向板９側の面をいう。 In the capacity priority mode, the lower vertical wind direction plate 10 is rotated about the shaft 21 of the lower vertical wind direction plate, and the upstream end upper surface 26a of the lower vertical wind direction plate 10 is above or below the extension line of the lower casing 11. It arrange | positions so that it may be located below the extension line of the side casing 11. As a result, the blowing resistance of the cold air 22 or the hot air 23 passing through the downstream wind tunnel 17 can be reduced, and the cold air 22 or the hot air 23 can be efficiently sent out into the room without reducing the amount of blown air. The upper vertical wind direction plate 9 and the lower vertical wind direction plate 10 are rotated around a shaft 20 of the upper vertical wind direction plate and a shaft 21 of the lower vertical wind direction plate by a driving component 25 such as a step motor 24. The upper surface of the lower vertical wind direction plate 10 refers to the surface of the lower vertical wind direction plate 10 on the upper vertical wind direction plate 9 side.
下側ケーシング１１及び下側上下風向板１０の側面に沿った断面形状については、下側上下風向板１０が下側ケーシング１１の略延長線上であれば、直線形状でも曲線形状でもよい。なお、下側上下風向板１０の上流側端部上面２６ａが下側ケーシング１１の延長線上になるよう配置するほうが好ましい。 About the cross-sectional shape along the side surface of the lower casing 11 and the lower up-and-down wind direction board 10, if the lower up-and-down wind direction board 10 is on the substantially extension line of the lower casing 11, a linear shape or a curve shape may be sufficient. In addition, it is more preferable to arrange the upstream end portion upper surface 26 a of the lower up-down wind direction plate 10 so as to be on the extension line of the lower casing 11.
下側上下風向板１０は上下風向板軸２１を中心に回動するため、下側上下風向板１０と下側ケーシング１１は干渉しない程度のクリアランスが必要である。クリアランスは下側上下風向板１０の製品寸法のばらつきや反りの管理値以上にする必要があるが、下側上下風向板１０をディフューザとして使用するためにはクリアランスは極力小さい方がよい。クリアランスが大きいとクリアランス部分から冷風２２または温風２３が漏れてしまい本来静圧として回収される動圧が周囲の空気に運動エネルギを与えてしまい静圧回収が有効に行われなくなる。 Since the lower vertical wind direction plate 10 rotates around the vertical wind direction plate shaft 21, a clearance that does not interfere with the lower vertical wind direction plate 10 and the lower casing 11 is required. The clearance needs to be equal to or greater than the management value of the product size variation and warpage of the lower vertical wind direction plate 10, but in order to use the lower vertical wind direction plate 10 as a diffuser, the clearance should be as small as possible. If the clearance is large, the cold air 22 or the hot air 23 leaks from the clearance portion, and the dynamic pressure originally recovered as static pressure gives kinetic energy to the surrounding air, so that the static pressure recovery cannot be performed effectively.
クリアランスが十分に小さい場合、ベルヌーイの定理から吹出口３は室内機１の周囲の圧力よりも小さくなるので、クリアランス部分は吹出口３に流入する流入空気３９の流れ（下方から上方に向かう流れ）が生じる。 When the clearance is sufficiently small, the outlet 3 is smaller than the pressure around the indoor unit 1 according to Bernoulli's theorem, so the clearance portion is the flow of the inflowing air 39 flowing into the outlet 3 (flow from below to above). Occurs.
しかし、クリアランスが大きくなると、下側ケーシング１１に沿って流れる冷風２２・温風２３が拡散しようとする流れが、吹出口３に流入する流れに勝り、クリアランス部分から冷風２２または温風２３が漏れてしまい、周囲の空気に運動エネルギを与えてしまう。また、流入空気３９も運動エネルギを与えられるので少ない方がよい。以上の理由から前記クリアランスは小さい方が望ましく、静圧回収を有効に行うためにはクリアランスは２ｍｍ以下にすることが好ましい。 However, when the clearance is increased, the flow of the cold air 22 and the hot air 23 flowing along the lower casing 11 is more excellent than the flow flowing into the air outlet 3, and the cool air 22 or the hot air 23 leaks from the clearance portion. This gives kinetic energy to the surrounding air. Further, the inflowing air 39 is preferably less because it is given kinetic energy. For the above reasons, it is desirable that the clearance is small. In order to effectively recover the static pressure, the clearance is preferably 2 mm or less.
なお、上側上下風向板９については、送風抵抗を小さくするため、下側上下風向板１０に略平行の姿勢とすることが好ましい。 In addition, about the upper up-and-down wind direction board 9, it is preferable to set it as a substantially parallel attitude | position to the lower up-and-down wind direction board 10 in order to make ventilation resistance small.
図４は、第１実施形態に係る室内機吹出口の通常冷房運転モード時における拡大側面断面図である。通常冷房運転モードは、大きな冷房能力を必要としない場合や、室内空気の湿度が高い場合に使用する。下側上下風向板１０には熱抵抗が大きいウレタンフォーム等の断熱材２８が挟まれ構成されているが、長時間下側上下風向板１０の上面と下面で温度差を生じている場合や、湿度が高い状態が続くと下側上下風向板１０が結露する懸念が生じる。 FIG. 4 is an enlarged side cross-sectional view of the indoor unit outlet according to the first embodiment in the normal cooling operation mode. The normal cooling operation mode is used when a large cooling capacity is not required or when the indoor air humidity is high. A heat insulating material 28 such as urethane foam having a large thermal resistance is sandwiched between the lower vertical wind direction plate 10, and when there is a temperature difference between the upper and lower surfaces of the lower vertical wind direction plate 10 for a long time, When the humidity remains high, there is a concern that the lower vertical wind direction plate 10 is condensed.
そこで、本実施例では、設定温度と室温の差が所定の値以下の場合、または湿度が所定の値以上の時に、通常冷房運転モードとし、下側上下風向板１０の上流側端部上面２６ａが下側ケーシング１１の延長線より上方に位置するよう下側上下風向板１０を配置する。通常冷房運転モードにおける下側上下風向板１０と下側ケーシング１１の間の距離は、能力優先モードにおける下側上下風向板１０と下側ケーシング１１の間の距離より長い。 Therefore, in this embodiment, when the difference between the set temperature and the room temperature is equal to or lower than a predetermined value, or when the humidity is equal to or higher than the predetermined value, the normal cooling operation mode is set, and the upper surface 26a on the upstream end of the lower vertical wind direction plate 10 is set. The lower up-and-down wind direction plate 10 is arranged so that is positioned above the extension line of the lower casing 11. The distance between the lower vertical wind direction plate 10 and the lower casing 11 in the normal cooling operation mode is longer than the distance between the lower vertical wind direction plate 10 and the lower casing 11 in the capacity priority mode.
温度の低い空気は、室内の低い位置に停留しやすい。低温の空気が、室内の低い位置に停留すると、使用者の足元のみが冷え、使用者に不快感を与える恐れがある。通常冷房運転モード時は、空気調和機の室内機１から室内の高い位置に冷風２２を吹き出し、室内全体の温度を下げることが望ましい。このため、能力優先モード時の下側上下風向板１０の位置より、下側上下風向板の軸２１を中心に５〜２５°上方に回動させた位置を、通常冷房運転モード時の下側上下風向板１０の位置とする。上側上下風向板９については、送風抵抗を小さくするため、下側上下風向板１０に略平行の姿勢とすることが好ましい。 Low-temperature air tends to stay at a low position in the room. When low-temperature air stops at a low position in the room, only the user's feet get cold, which may cause discomfort to the user. In the normal cooling operation mode, it is desirable to blow cool air 22 from the indoor unit 1 of the air conditioner to a high position in the room to lower the temperature of the entire room. For this reason, the position rotated 5 to 25 degrees above the shaft 21 of the lower vertical wind direction plate from the position of the lower vertical wind direction plate 10 in the capacity priority mode is the lower side in the normal cooling operation mode. The position of the vertical wind direction plate 10 is assumed. The upper vertical wind direction plate 9 is preferably in a posture substantially parallel to the lower vertical wind direction plate 10 in order to reduce blowing resistance.
下側ケーシング１１の下流側には、下側上下風向板の上流側端部２６が位置する。このとき、下側上下風向板１０と下側ケーシング１１の間に所定の隙間を設けているため、流入空気３９の流れよりも冷風２２が拡散しようとする流れが勝る。このため、下側ケーシング１１に沿って冷風２２が流れ、下側上下風向板の上流側端部２６で下側上下風向板１０の上側と下側に分かれて流れていく。下側上下風向板１０の下側にも冷風２２が流れるため、下側上下風向板１０の上側も下側も略均一に冷やされる。これにより、下側上下風向板１０の表面への結露を抑制することができる。 On the downstream side of the lower casing 11, the upstream end 26 of the lower vertical wind direction plate is located. At this time, since a predetermined gap is provided between the lower vertical wind direction plate 10 and the lower casing 11, the flow in which the cold air 22 tries to diffuse is superior to the flow of the incoming air 39. For this reason, the cool air 22 flows along the lower casing 11 and flows separately on the upper side and the lower side of the lower vertical wind direction plate 10 at the upstream end portion 26 of the lower vertical wind direction plate. Since the cool air 22 also flows below the lower vertical wind direction plate 10, the upper side and the lower side of the lower vertical wind direction plate 10 are cooled substantially uniformly. Thereby, the dew condensation on the surface of the lower up-and-down wind direction board 10 can be controlled.
下側上下風向板の軸２１は下側上下風向板１０の上流側で上側ケーシング１８と下側ケーシング１０との間に位置する。下側上下風向板の軸２１と下側上下風向板１０の間の距離は、通常冷房運転モードにおける下側上下風向板１０と下側ケーシング１１の間の距離より長い。具体的には、下側上下風向板１０の上流側端部２６と下側ケーシング１１との間の隙間は、５〜１５ｍｍとすることが好ましい。これにより、通常冷房運転モード時に下側上下風向板１０の下側にも冷風２２が供給されやすくなる。 The shaft 21 of the lower vertical wind direction plate is located between the upper casing 18 and the lower casing 10 on the upstream side of the lower vertical wind direction plate 10. The distance between the shaft 21 of the lower vertical wind direction plate and the lower vertical wind direction plate 10 is longer than the distance between the lower vertical wind direction plate 10 and the lower casing 11 in the normal cooling operation mode. Specifically, the gap between the upstream end 26 of the lower vertical wind direction plate 10 and the lower casing 11 is preferably 5 to 15 mm. Thereby, the cool air 22 is easily supplied to the lower side of the lower vertical wind direction plate 10 in the normal cooling operation mode.
下側上下風向板１０については、下側上下風向板の上流側端部下側２６ｂにＣカット面または曲面形状としても良い。これにより、通常冷房運転モード時に下側上下風向板１０の下側に沿って流れる冷風２２が、抵抗なく、よりスムーズに流れるようになる。 About the lower up-and-down wind direction board 10, it is good also as a C cut surface or a curved-surface shape in the upstream edge part lower side 26b of a lower up-and-down wind direction board. Thereby, the cool air 22 flowing along the lower side of the lower vertical wind direction plate 10 in the normal cooling operation mode flows more smoothly without resistance.
下側上下風向板１０については、中空構造とし、内部に断熱材２８を備えた構造としても良い。これにより、下側上下風向板１０表面への結露の抑制効果を高めることができる。 The lower vertical wind direction plate 10 may have a hollow structure and a structure provided with a heat insulating material 28 inside. Thereby, the inhibitory effect of the dew condensation to the lower up-and-down wind direction board 10 surface can be heightened.
能力優先モードと通常冷房運転モードの切り替えは、使用者が実施する。また空気調和機の室内機１に備えた湿度センサ３２によって、検知した湿度が予め設定された湿度（所定値）に達した場合に、自動で能力優先モードと通常冷房運転モードを切り替えても良い。湿度センサ３２に加え、又は、湿度センサ３２の代わりに、温度センサ３１の検出値に応じて、能力優先モードと通常冷房運転モードを切り替えても良い。 Switching between the capacity priority mode and the normal cooling operation mode is performed by the user. Further, when the detected humidity reaches a preset humidity (predetermined value) by the humidity sensor 32 provided in the indoor unit 1 of the air conditioner, the capacity priority mode and the normal cooling operation mode may be automatically switched. . In addition to the humidity sensor 32 or instead of the humidity sensor 32, the capacity priority mode and the normal cooling operation mode may be switched according to the detection value of the temperature sensor 31.
運転開始直後は、結露が発生しないこと、及び、急速に室内を冷やす必要があることから、運転開始から所定時間は湿度センサ３２又は湿度センサ３２の検出値に係らず、強制的に能力優先モードを実行してもよい。 Immediately after the start of operation, condensation does not occur and it is necessary to cool the room rapidly. Therefore, the capacity priority mode is forcibly set regardless of the humidity sensor 32 or the detected value of the humidity sensor 32 for a predetermined time from the start of operation. May be executed.
なお、能力優先モードにおいて、室内送風ファン６の回転数を所定の値に変更してもよいし、能力優先モードの通常冷房運転モードの切り替えによって、室内送風ファン６の回転数を変えないようにしてもよい。 In the capacity priority mode, the rotation speed of the indoor blower fan 6 may be changed to a predetermined value, and the rotation speed of the indoor blower fan 6 is not changed by switching to the normal cooling operation mode in the capacity priority mode. May be.
能力優先モードと通常冷房運転モードとは、必ずしも使用者が設定できる特定の運転モードを構成する場合に限らず、１つの冷房運転モードにおいて、室温センサ３１や湿度センサ３２で検出された値に応じて、下側上下風向板１０の位置を、能力優先モードにおける下側上下風向板１０の位置と、通常冷房運転モードにおける下側上下風向板１０の位置とに切り替えるよう構成してもよい。 The capacity priority mode and the normal cooling operation mode are not necessarily configured as a specific operation mode that can be set by the user, and depend on the values detected by the room temperature sensor 31 and the humidity sensor 32 in one cooling operation mode. Thus, the position of the lower vertical wind direction plate 10 may be switched between the position of the lower vertical wind direction plate 10 in the capacity priority mode and the position of the lower vertical wind direction plate 10 in the normal cooling operation mode.
このように本発明の第１実施形態によれば、空気調和機の室内機１において、室内空気を効率良く冷やす能力優先モードを備えつつ、室内空気の湿度が著しく高い場合には、通常冷房運転モードにより上下風向板１０表面への結露を抑制することができる。 As described above, according to the first embodiment of the present invention, the indoor unit 1 of the air conditioner is provided with the capability priority mode for efficiently cooling the indoor air, and when the humidity of the indoor air is extremely high, the normal cooling operation is performed. Depending on the mode, condensation on the surface of the up-and-down wind direction plate 10 can be suppressed.
図５は、第１実施形態に係る室内機の運転停止時における側面に沿った断面図である。本実施形態における上側上下風向板９及び下側上下風向板１０は、室内機１の筐体に沿うように曲線形状としている。そのため、空気調和機の運転停止時に、上側上下風向板９及び下側上下風向板１０の下面が室内機１の意匠の一部となり、意匠面にも優れた構成にすることができる。 FIG. 5 is a cross-sectional view along the side surface when the indoor unit according to the first embodiment is stopped. The upper vertical wind direction plate 9 and the lower vertical wind direction plate 10 in the present embodiment are curved so as to follow the housing of the indoor unit 1. Therefore, when the operation of the air conditioner is stopped, the lower surfaces of the upper vertical wind direction plate 9 and the lower vertical wind direction plate 10 become a part of the design of the indoor unit 1, and the design surface can be excellent.
空気調和機の運転停止時に図５に示すように、下側上下風向板１０の下面が室内機１の意匠外観を構成する表面の一部となり、通常冷房運転モード時に下側上下風向板１０を図４に示す位置とし、能力優先モード時に図３に示す位置とするために、下側上下風向板１０の回動する下側上下風向板の軸２１は、下側上下風向板１０よりも風上側であって、下側ケーシング１１と上側ケーシング１８の間に配置している。 As shown in FIG. 5 when the operation of the air conditioner is stopped, the lower surface of the lower vertical wind direction plate 10 becomes a part of the surface constituting the design appearance of the indoor unit 1, and the lower vertical wind direction plate 10 is moved in the normal cooling operation mode. In order to obtain the position shown in FIG. 4 and the position shown in FIG. 3 in the capacity priority mode, the shaft 21 of the lower upper and lower wind direction plate on which the lower upper and lower wind direction plate 10 rotates is winded more than the lower upper and lower wind direction plate 10. The upper casing is disposed between the lower casing 11 and the upper casing 18.
ディフューザとして静圧回収を目的とする場合、下側上下風向板１０は長いほど効果が得られるが、下側上下風向板の軸２１と離れているため、上下風向板１０を回動させるためには大きなトルクが必要になる。下側上下風向板１０を回動させるステップモータ２４のトルクが不足した場合、減速機を介せばトルクを上昇させることができるが、減速比が大きければ大きいほど減速機が大きくなる。つまり、下側上下風向板１０をディフューザとして使用する場合、ディフューザの効果を最大限得る構造は、減速機が室内機１に収まる大きさで減速比を大きくし、下側上下風向板１０を回動させることができるトルクの上限まで下側上下風向板を長くすることである。なお、ステップモータ２４及び減速機を下側ケーシング１１の背面側で、且つ、下部化粧枠１３ｂの上方に位置させてもよい。ステップモータ２４及び減速機が気流の障害になるのを避けつつ、下側上下風向板の軸２１のトルクを上昇させることができる。なお、下側ケーシング１１の背面側とは、下流側風洞１７の背面側の空間をいう。
（第２実施形態）
第２実施形態が、第１実施形態と異なる点は、第２実施形態の下側ケーシング１１が、第１傾斜部２９と、第１傾斜部２９より下流側（先端側）に位置する第２傾斜部３０を有する点である。第２傾斜部３０は、第１傾斜部２９に比べて、先端側が床面方向に傾斜している。
When aiming at static pressure recovery as a diffuser, the longer the lower vertical wind direction plate 10 is, the longer the effect is. However, since the lower vertical wind direction plate 10 is separated from the shaft 21, the vertical wind direction plate 10 is rotated. Requires a large torque. When the torque of the step motor 24 that rotates the lower vertical wind direction plate 10 is insufficient, the torque can be increased through the reduction gear, but the reduction gear becomes larger as the reduction ratio becomes larger. That is, when the lower up-and-down wind direction plate 10 is used as a diffuser, the structure for obtaining the maximum effect of the diffuser has a reduction gear ratio that is large enough to fit the reducer in the indoor unit 1, and the lower up-and-down wind direction plate 10 is rotated. The lower vertical wind direction plate is lengthened to the upper limit of the torque that can be moved. Note that the step motor 24 and the speed reducer may be positioned on the back side of the lower casing 11 and above the lower decorative frame 13b. The torque of the shaft 21 of the lower vertical wind direction plate can be increased while avoiding that the step motor 24 and the speed reducer obstruct the airflow. The back side of the lower casing 11 refers to the space on the back side of the downstream wind tunnel 17.
(Second Embodiment)
The second embodiment is different from the first embodiment in that the lower casing 11 of the second embodiment is the first inclined portion 29 and the second inclined portion 29 is located on the downstream side (front end side) from the first inclined portion 29. This is a point having an inclined portion 30. Compared to the first inclined portion 29, the second inclined portion 30 is inclined at the tip side in the floor surface direction.
次に、第２実施形態の上下風向板の動作について、図６乃至図８を用いて説明する。図６は、第２実施形態に係る室内機吹出口の能力優先モード時における拡大側面断面図である。能力優先モード時には、下側上下風向板の軸２１を中心に下側上下風向板１０を回動し、下側上下風向板１０の上面が前記下側ケーシング１１の第１傾斜部２９の延長線上又は前記下側ケーシングの延長線より下方に位置する。これにより、下流側風洞１７を通過する熱交換された冷風２２または温風２３の送風抵抗が小さくなるため、吹き出し風量が低下することなく、効率良く室内に冷風２２または温風２３を送り出すことができる。上側上下風向板９及び下側上下風向板１０については、第１実施形態と同様に、ステップモータ２４などの駆動部品２５により回動する。 Next, the operation of the up and down wind direction plate of the second embodiment will be described with reference to FIGS. FIG. 6 is an enlarged side sectional view in the capacity priority mode of the indoor unit outlet according to the second embodiment. In the capacity priority mode, the lower vertical wind direction plate 10 is rotated about the shaft 21 of the lower vertical wind direction plate, and the upper surface of the lower vertical wind direction plate 10 is on the extension line of the first inclined portion 29 of the lower casing 11. Or it is located below the extension line of the lower casing. As a result, the blowing resistance of the heat-exchanged cold air 22 or hot air 23 passing through the downstream wind tunnel 17 is reduced, so that the cool air 22 or the hot air 23 can be efficiently sent into the room without reducing the amount of blown air. it can. The upper vertical wind direction plate 9 and the lower vertical wind direction plate 10 are rotated by a driving component 25 such as a step motor 24 as in the first embodiment.
下側ケーシング１１の第１傾斜部２９及び下側上下風向板１０の側面に沿った断面形状については、下側上下風向板１０が下側ケーシング１１の第１傾斜部２９の略延長線上であれば、直線形状でも曲線形状でも可とする。このときに、下側上下風向板の上流側端部２６と下側ケーシング１１の第１傾斜部２９との間の隙間については、第１実施携帯同様２ｍｍ以下と小さい方が好ましい。 Regarding the cross-sectional shapes along the first inclined portion 29 of the lower casing 11 and the side surfaces of the lower vertical wind direction plate 10, the lower vertical wind direction plate 10 may be on a substantially extended line of the first inclined portion 29 of the lower casing 11. For example, a linear shape or a curved shape is acceptable. At this time, the gap between the upstream end 26 of the lower vertical wind direction plate and the first inclined portion 29 of the lower casing 11 is preferably as small as 2 mm or less as in the first embodiment.
上側上下風向板９についても、送風抵抗を小さくするため、下側上下風向板１０に略平行の姿勢とすることが好ましい。 The upper vertical wind direction plate 9 is also preferably in a posture substantially parallel to the lower vertical wind direction plate 10 in order to reduce blowing resistance.
図７は、第２実施形態に係る室内機吹出口の通常冷房運転モード時における拡大側面断面図である。通常冷房運転モードは、大きな冷房能力を必要としない場合や、室内空気の湿度が高い場合に使用する。 FIG. 7 is an enlarged side cross-sectional view of the indoor unit outlet according to the second embodiment in the normal cooling operation mode. The normal cooling operation mode is used when a large cooling capacity is not required or when the indoor air humidity is high.
第１実施形態と同様に、能力優先モード時の下側上下風向板１０位置より、下側上下風向板の軸２１を中心に５〜２５°上方に回動させた位置を、通常冷房運転モード時の下側上下風向板１０の位置とする。上側上下風向板９については、送風抵抗を小さくするため、下側上下風向板１０に略平行の姿勢とすることが好ましい。 As in the first embodiment, a position rotated by 5 to 25 degrees around the shaft 21 of the lower vertical wind direction plate from the position of the lower vertical wind direction plate 10 in the capacity priority mode is set to the normal cooling operation mode. The lower vertical wind direction plate 10 is at the position of the hour. The upper vertical wind direction plate 9 is preferably in a posture substantially parallel to the lower vertical wind direction plate 10 in order to reduce blowing resistance.
下側上下風向板の上流側端部上面２６ａが下側ケーシング１１の第１傾斜部２９の延長線より上方に位置する。このため、下側ケーシング１１の第１傾斜部２９に沿って流れる冷風２２については、下側上下風向板の上流側端部２６で下側上下風向板１０の上側と下側に分かれて流れていく。このとき、冷風２２の一部はコアンダ効果によって第１傾斜部２９から第２傾斜部３０、下側上下風向板１０の下側に沿って第１実施形態よりも効果的に下側上下風向板１０の下側にも冷風が流れるため、下側上下風向板１０の上側も下側も略均一に冷やされる。これにより下側上下風向板１０の表面への結露を抑制できる。 The upper surface 26 a of the upstream end portion of the lower vertical wind direction plate is located above the extension line of the first inclined portion 29 of the lower casing 11. For this reason, the cold air 22 flowing along the first inclined portion 29 of the lower casing 11 flows separately on the upper and lower sides of the lower vertical wind direction plate 10 at the upstream end portion 26 of the lower vertical wind direction plate. Go. At this time, a part of the cool air 22 is more effectively lower than the first embodiment from the first inclined portion 29 to the second inclined portion 30 along the lower side of the lower vertical wind direction plate 10 by the Coanda effect. Since the cool air also flows below 10, the upper and lower sides of the lower vertical wind direction plate 10 are cooled substantially uniformly. Thereby, the dew condensation on the surface of the lower up-and-down wind direction board 10 can be controlled.
前記下側上下風向板の上流側端部２６と下側ケーシング１１の第１傾斜部２９との間の隙間については、５〜１５ｍｍとすることが好ましい。これにより、通常冷房運転モード時に下側上下風向板１０の下側にも冷風が供給されやすくなる。 The gap between the upstream end 26 of the lower vertical wind direction plate and the first inclined portion 29 of the lower casing 11 is preferably 5 to 15 mm. Thereby, it becomes easy to supply cold air also to the lower side of the lower vertical wind direction plate 10 in the normal cooling operation mode.
下側上下風向板１０については、下側上下風向板の上流側端部下側２６ｂにＣカット面または曲面形状としても良い。これにより、通常冷房運転モード時に下側上下風向板１０の下側に沿って流れる冷風２２が、抵抗なく、よりスムーズに流れるようになる。 About the lower up-and-down wind direction board 10, it is good also as a C cut surface or a curved-surface shape in the upstream edge part lower side 26b of a lower up-and-down wind direction board. Thereby, the cool air 22 flowing along the lower side of the lower vertical wind direction plate 10 in the normal cooling operation mode flows more smoothly without resistance.
前記下側上下風向板１０については、中空構造とし、内部に断熱材２８を備えた構造としても良い。これにより、下側上下風向板１０表面への結露の抑制効果を高めることができる。 The lower vertical wind direction plate 10 may have a hollow structure and a structure provided with a heat insulating material 28 inside. Thereby, the inhibitory effect of the dew condensation to the lower up-and-down wind direction board 10 surface can be heightened.
図８は、第２実施形態に係る室内機吹出口の通常暖房運転モード時における拡大側面断面図である。通常暖房運転モードは、大きな暖房能力を必要としない場合や、室内空気の温度が設定温度に近づいた場合に使用する。温度の高い空気は、室内の高い位置に停留しやすい。高温の空気が、室内の高い位置に停留すると、使用者の頭部付近の空気が高温となり、使用者の足元は暖かくならず、不快感を与える恐れがある。通常暖房運転モード時は、空気調和機の室内機１から室内の低い位置に温風２３を吹き出し、使用者の足元から暖めることが望ましい。このため、通常暖房運転モード時には、下側上下風向板の軸２１を中心に前記下側上下風向板１０を回動し、前記下側上下風向板１０の上面が前記下側ケーシング１１の第２傾斜部３０の延長線上又は第２傾斜部３０の延長線より下方となるように配置する。このときの下側上下風向板１０位置は、前記能力優先モード時の下側上下風向板１０位置より、軸を中心に５〜３０°下方に回動させた位置とするのが望ましい。上側上下風向板９については、下側上下風向板１０に略平行の姿勢とすることが望ましい。 FIG. 8 is an enlarged side cross-sectional view of the indoor unit outlet according to the second embodiment in the normal heating operation mode. The normal heating operation mode is used when a large heating capacity is not required or when the temperature of the room air approaches the set temperature. High-temperature air tends to stop at a high position in the room. When hot air stops at a high position in the room, the air near the user's head becomes hot, and the user's feet are not warm, which may cause discomfort. In the normal heating operation mode, it is desirable to blow warm air 23 from the indoor unit 1 of the air conditioner to a lower position in the room to warm it from the user's feet. Therefore, in the normal heating operation mode, the lower vertical wind direction plate 10 is rotated around the shaft 21 of the lower vertical wind direction plate, and the upper surface of the lower vertical wind direction plate 10 is the second side of the lower casing 11. It arrange | positions so that it may become below the extension line of the inclination part 30, or the extension line of the 2nd inclination part 30. FIG. At this time, the lower vertical wind direction plate 10 position is preferably a position rotated about 5 to 30 degrees around the axis from the lower vertical wind direction plate 10 position in the capacity priority mode. It is desirable that the upper vertical wind direction plate 9 has a posture substantially parallel to the lower vertical wind direction plate 10.
温風２３は下側ケーシング１１を沿って流れ下側ケーシングの第１傾斜部、下側ケーシングの第２傾斜部を経てコアンダ効果によって下側上下風向板１０の上面を沿って流れ室内の低い位置に温風２３を吹き出す。 The warm air 23 flows along the lower casing 11 and flows along the upper surface of the lower vertical wind direction plate 10 by the Coanda effect through the first inclined portion of the lower casing and the second inclined portion of the lower casing. Hot air 23 is blown out.
下側上下風向板１０をディフューザとして下側ケーシング１１の延長線上となるように配置しているが、上側上下風向板９を上側ケーシング１８の延長線上となるように配置しても同様にディフューザとしての効果を得ることができる。しかしながら、冷風２２・温風２３は下側ケーシング１１に沿って流れるため下側上下風向板１０と同等のディフューザとしての効果は得られない。 Although the lower vertical wind direction plate 10 is disposed as an extension line of the lower casing 11 as a diffuser, the upper vertical wind direction plate 9 is similarly disposed as a diffuser even when positioned so as to be an extension line of the upper casing 18. The effect of can be obtained. However, since the cool air 22 and the warm air 23 flow along the lower casing 11, an effect as a diffuser equivalent to the lower vertical wind direction plate 10 cannot be obtained.
空気調和機の運転停止時は図５に示すように下側上下風向板１０の下面が室内機１の意匠の一部となり、通常冷房運転モード時に下側上下風向板１０を図４若しくは図７に示す位置とし、能力優先モード時に下側上下風向板１０を図３若しくは図６に示す位置とし、通常暖房運転モード時に下側上下風向板１０を図８に示す位置にするために、下側上下風向板１０の回動する下側上下風向板の軸２１は、下側上下風向板１０よりも風上側であって、下側ケーシング１１と上側ケーシング１８の間に配置している。 When the operation of the air conditioner is stopped, as shown in FIG. 5, the lower surface of the lower vertical wind direction plate 10 becomes a part of the design of the indoor unit 1, and the lower vertical wind direction plate 10 is moved to the lower vertical wind direction plate 10 in the normal cooling operation mode. In order to set the lower vertical wind direction plate 10 to the position shown in FIG. 3 or FIG. 6 in the capacity priority mode and the lower vertical wind direction plate 10 to the position shown in FIG. The shaft 21 of the lower vertical wind direction plate on which the vertical wind direction plate 10 rotates is located on the windward side of the lower vertical wind direction plate 10 and is disposed between the lower casing 11 and the upper casing 18.
第１実施形態と同様に、能力優先モードと通常冷房運転モードと通常暖房運転モードの切り替えは、使用者が実施する。また、空気調和機の室内機１に備えた室温センサ３１と湿度センサ３２によって、検知した室温と湿度によって、予め設定された室温・湿度に達した場合に、自動で能力優先モードと通常冷房運転モードと通常暖房運転モードを切り替えても良い。 As in the first embodiment, switching between the capacity priority mode, the normal cooling operation mode, and the normal heating operation mode is performed by the user. Moreover, when the preset room temperature / humidity is reached by the room temperature sensor 31 and the humidity sensor 32 provided in the indoor unit 1 of the air conditioner, the capacity priority mode and the normal cooling operation are automatically performed. The mode and the normal heating operation mode may be switched.
冷房運転開始時に能力優先モードは設定温度と室温が所定以上の差があるときに使用し、所定の温度差以内であれば通常冷房運転モードとなる。 When the cooling operation is started, the capacity priority mode is used when the set temperature and the room temperature have a predetermined difference or more. When the difference is within the predetermined temperature difference, the normal cooling operation mode is set.
能力優先モードから通常冷房運転モードへの遷移は設定温度と室温の差が所定の値以下の場合、または所定の時間中湿度が所定の値以上の時通常冷房運転モードの上下風向板の位置にし、下側上下風向板の１０の下面に風を流し上面と下面の温度差をなくすことで結露を防止する。 The transition from the capacity priority mode to the normal cooling operation mode is performed when the difference between the set temperature and room temperature is less than the predetermined value, or when the humidity during the predetermined time is higher than the predetermined value, the position of the vertical airflow direction plate in the normal cooling operation mode. Condensation is prevented by flowing a wind on the lower surface of the lower vertical wind direction plate 10 and eliminating the temperature difference between the upper surface and the lower surface.
暖房運転開始時における能力優先モードは設定温度と室温が所定以上の差があるときに使用し、所定の温度差以内であれば通常暖房運転モードとなる。 The capacity priority mode at the start of the heating operation is used when there is a difference between the set temperature and the room temperature that is greater than or equal to a predetermined value.
能力優先モードから通常暖房運転モードへの遷移は設定温度と室温の差が所定の値以下の場合通常暖房運転モードの上下風向板の位置にし、空気調和機の室内機１から室内の低い位置に温風２３を吹き出し、使用者の足元を温める。 The transition from the capacity priority mode to the normal heating operation mode is performed when the difference between the set temperature and the room temperature is equal to or smaller than a predetermined value, and the position of the vertical wind direction plate in the normal heating operation mode is changed to a lower position in the room from the indoor unit 1 of the air conditioner. Hot air 23 is blown out to warm the user's feet.
第２実施形態により、空気調和機の室内機１において、室内空気を効率良く冷やす、または効率良く暖める能力優先モードを備えつつ、室内空気の湿度が著しく高い冷房運転時には、通常冷房運転モードにより上下風向板１０表面への結露を抑制することができる。さらに通常暖房運転モード時には、下側ケーシング１１近傍の送風抵抗を小さくし、風量の低下を抑えることができる。 According to the second embodiment, the indoor unit 1 of the air conditioner has an ability priority mode that efficiently cools or warms indoor air, and at the time of cooling operation in which the humidity of the indoor air is extremely high, Condensation on the surface of the wind direction plate 10 can be suppressed. Furthermore, at the time of the normal heating operation mode, the blowing resistance in the vicinity of the lower casing 11 can be reduced, and the reduction in the air volume can be suppressed.
尚、本発明は、実施形態の個々に限定されることはなく、また、上述した実施形態を適宜組み合わせてもよい。 In addition, this invention is not limited to each embodiment, Moreover, you may combine embodiment mentioned above suitably.
１ 室内機
２ 吸込口
３ 吹出口
４ 空気通路
５ 室内熱交換器
６ 室内送風ファン
９ 上側上下風向板
１０ 下側上下風向板
１１ 下側ケーシング
１２ 化粧パネル
１３ 化粧枠
１３ａ 上部化粧枠
１３ｂ 下部化粧枠
１４ フィルタ
１４ａ 前面側フィルタ
１４ｂ 上面側フィルタ
１５ キャビネット
１６ ドレンパン
１７ 下流側風洞
１８ 上側ケーシング
２０ 上側上下風向板の軸
２１ 下側上下風向板の軸
２２ 冷風
２３ 温風
２４ ステップモータ
２５ 駆動部品
２６ 下側上下風向板の上流側端部
２６ａ 下側上下風向板の上流側端部上側
２６ｂ 下側上下風向板の上流側端部下側
２８ 断熱材
２９ 第１傾斜部
３０ 第２傾斜部
３１ 室温センサ
３２ 湿度センサ
３３ 左右風向板
３４ 圧縮機
３５ 四方弁
３６ 膨張弁
３７ 室外熱交換機
３８ 室外送風ファン
３９ 流入空気
DESCRIPTION OF SYMBOLS 1 Indoor unit 2 Suction port 3 Outlet 4 Air passage 5 Indoor heat exchanger 6 Indoor ventilation fan 9 Upper vertical wind direction board 10 Lower vertical wind direction board 11 Lower casing 12 Cosmetic panel 13 Cosmetic frame 13a Upper decorative frame 13b Lower decorative frame 14 Filter 14a Front side filter 14b Upper side filter 15 Cabinet 16 Drain pan 17 Downstream wind tunnel 18 Upper casing 20 Upper vertical wind direction plate shaft 21 Lower vertical wind direction plate shaft 22 Cold air 23 Hot air 24 Step motor 25 Drive component 26 Lower side Upstream end 26a of the upper and lower airflow direction plate Upper upstream end portion 26b of the lower upper and lower airflow direction plate Lower side of upstream end of the upper and lower airflow direction plate 28 Heat insulating material 29 First inclined portion 30 Second inclined portion 31 Room temperature sensor 32 Humidity Sensor 33 Left and right wind direction plate 34 Compressor 35 Four-way valve 36 Expansion valve 37 Outdoor heat exchanger 38 Outdoor fan
39 Incoming air
Claims (5)
前記空気通路に配置された室内熱交換器と、
前記空気通路に配置され、前記室内熱交換器の下流側に位置する室内送風ファンと、
前記吹出口の上部を構成する上側ケーシングと、
前記吹出口の下部を構成する下側ケーシングと、
前記吹出口に配置された下側上下風向板と、
前記下側上下風向板の上流側端部上面が前記下側ケーシングの延長線上又は前記下側ケーシングの延長線より下方に位置する能力優先モードと、
前記下側上下風向板の上流側端部上面が前記下側ケーシングの延長線より上方に位置する通常冷房運転モードとを備え、
前記通常冷房運転モードにおける前記下側上下風向板と前記下側ケーシングの間の距離は、前記能力優先モードにおける前記下側上下風向板と前記下側ケーシングの間の距離より長い空気調和機の室内機。 An air passage connecting the inlet and the outlet;
An indoor heat exchanger disposed in the air passage;
An indoor air blower fan disposed in the air passage and located downstream of the indoor heat exchanger;
An upper casing constituting the upper part of the outlet;
A lower casing constituting a lower portion of the outlet,
A lower vertical wind direction plate disposed at the air outlet;
A capacity priority mode in which the upper surface of the upper end of the lower vertical wind direction plate is located on the extension line of the lower casing or below the extension line of the lower casing;
A normal cooling operation mode in which the upper surface of the upstream end portion of the lower vertical airflow direction plate is located above the extension line of the lower casing;
The distance between the lower vertical wind direction plate and the lower casing in the normal cooling operation mode is longer than the distance between the lower vertical wind direction plate and the lower casing in the capacity priority mode. Machine.
前記軸を回動することによって前記下側上下風向板と前記下側ケーシングの間の距離を変えることを特徴とする請求項１に記載の空気調和機の室内機。 A shaft for rotating the lower vertical wind direction plate;
The indoor unit of an air conditioner according to claim 1, wherein the distance between the lower vertical wind direction plate and the lower casing is changed by rotating the shaft.
前記下側上下風向板の上流側端部上面が前記第２傾斜部の延長線上又は前記第２傾斜部の延長線より下方に位置する通常暖房運転モードを備え、
前記通常冷房運転モードにおいて、前記下側上下風向板の上流側端部上面は前記第１傾斜部の延長線より上方に位置し、
前記能力優先モードにおいて、前記下側上下風向板の上流側端部上面は前記第１傾斜部の延長線上又は前記第１傾斜部の延長線より下方に位置することを特徴とする請求項２に記載の空気調和機の室内機。 The lower casing includes a first inclined portion, and a second inclined portion that is located on the downstream side of the first inclined portion and is inclined in the floor surface direction relative to the first inclined portion,
A normal heating operation mode in which the upper surface of the upstream end portion of the lower vertical wind direction plate is positioned on the extension line of the second inclined part or below the extension line of the second inclined part;
In the normal cooling operation mode, the upper surface of the upstream end portion of the lower vertical airflow direction plate is located above the extension line of the first inclined portion,
The upper surface of the upstream end portion of the lower vertical wind direction plate is positioned on the extension line of the first inclined portion or below the extension line of the first inclined portion in the capacity priority mode. The indoor unit of the described air conditioner.
前記湿度センサで検出した値が所定値以上であるときに前記通常冷房運転モードを行い、前記湿度センサで検出した値が前記所定値より小さいときに前記能力優先モードを行うことを特徴とする請求項１乃至３のいずれかに記載の空気調和機の室内機。 It has a humidity sensor that detects the humidity in the room,
The normal cooling operation mode is performed when a value detected by the humidity sensor is equal to or greater than a predetermined value, and the capacity priority mode is performed when a value detected by the humidity sensor is smaller than the predetermined value. Item 4. The indoor unit for an air conditioner according to any one of Items 1 to 3.
圧縮機と室外熱交換器と室外送風ファンと膨張弁とを有する室外機とを備える空気調和機。 The indoor unit of the air conditioner according to any one of claims 1 to 4,
An air conditioner comprising an outdoor unit having a compressor, an outdoor heat exchanger, an outdoor air blowing fan, and an expansion valve.
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| JP2013178791A JP5887316B2 (en) | 2013-08-30 | 2013-08-30 | Air conditioner indoor unit and air conditioner |
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| KR101927820B1 (en) * | 2015-07-21 | 2018-12-12 | 삼성전자주식회사 | Air conditioner and control method thereof |
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| JP2019060563A (en) * | 2017-09-27 | 2019-04-18 | ダイキン工業株式会社 | Air-conditioning indoor unit |
| AU2018343290B2 (en) * | 2017-09-27 | 2020-07-02 | Daikin Industries, Ltd. | Air conditioning indoor unit |
| CN111051789A (en) * | 2017-09-27 | 2020-04-21 | 大金工业株式会社 | Indoor unit of air conditioner |
| WO2019065529A1 (en) * | 2017-09-27 | 2019-04-04 | ダイキン工業株式会社 | Air conditioner indoor unit |
| JP2020517891A (en) * | 2018-03-09 | 2020-06-18 | 広東美的制冷設備有限公司Ｇｄ Ｍｉｄｅａ Ａｉｒ−Ｃｏｎｄｉｔｉｏｎｉｎｇ Ｅｑｕｉｐｍｅｎｔ Ｃｏ．，Ｌｔｄ． | Air conditioner, control method thereof, and control device |
| JP2019178811A (en) * | 2018-03-30 | 2019-10-17 | 株式会社富士通ゼネラル | Air conditioner |
| CN110454960A (en) * | 2018-05-08 | 2019-11-15 | 苏州市春菊电器有限公司 | Air outlet plate locking device |
| CN108775694A (en) * | 2018-08-07 | 2018-11-09 | 珠海格力电器股份有限公司 | Air deflector assembly of air conditioner and air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5887316B2 (en) | 2016-03-16 |
| CN104422028B (en) | 2017-09-22 |
| CN104422028A (en) | 2015-03-18 |
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