JP4542030B2 - Air conditioner indoor unit - Google Patents

Air conditioner indoor unit Download PDF

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JP4542030B2
JP4542030B2 JP2005371427A JP2005371427A JP4542030B2 JP 4542030 B2 JP4542030 B2 JP 4542030B2 JP 2005371427 A JP2005371427 A JP 2005371427A JP 2005371427 A JP2005371427 A JP 2005371427A JP 4542030 B2 JP4542030 B2 JP 4542030B2
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groove
heat exchanger
indoor unit
air
top surface
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JP2007170764A (en
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章弘 松下
理康 斎藤
博之 高田
敦史 枝吉
尚史 池田
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Mitsubishi Electric Corp
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  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Description

本発明は、空気調和機の室内機の筐体における天面形状の改良に関する。   The present invention relates to an improvement in the top surface shape of a casing of an indoor unit of an air conditioner.

図５及び図６は「天井カセット型」と呼ばれる従来のこの種の空気調和機の室内機を示すもので、図５はその外観を示す斜視図、図６は図５のＡ−Ａ線矢視断面図である。   5 and 6 show a conventional indoor unit of this type of air conditioner called a “ceiling cassette type”, FIG. 5 is a perspective view showing the appearance thereof, and FIG. 6 is an AA line arrow of FIG. FIG.

この従来の空気調和機の室内機は、室内空気を給排気するファン２及びファンモータ３からなる送風機４と、送風機の周りを囲むように設置されて冷媒を循環させる熱交換器１と、それらを覆い熱交換器１を挟む熱交換器上流側風路８ａ及び熱交換器下流側風路８ｂを形成する筐体５と、熱交換器１の下方に配置されて、熱交換器１およびこれに連なる配管で発生して滴下する結露水を受けて筐体５外へ排出するドレンパン（水受け）１４とを備え、筐体５の天面６には、熱交換器上流側風路８ａに対応する部位に、吸込口３１から吹出口３２までの空気の流れに沿った凹凸の環状リブ６ａが同心上に幾重にも設けられており、この多重の環状リブ６ａによって空気流れの渦発生が抑えられ、低騒音化・低振動化を得られ、剛性向上を図れるようにしている（例えば、特許文献１参照）。   The indoor unit of this conventional air conditioner includes a fan 4 composed of a fan 2 and a fan motor 3 for supplying and exhausting indoor air, a heat exchanger 1 installed so as to surround the fan and circulating a refrigerant, The heat exchanger 1 is disposed below the heat exchanger 1 and the housing 5 that forms the heat exchanger upstream air passage 8a and the heat exchanger downstream air passage 8b sandwiching the heat exchanger 1 therebetween. A drain pan (water receiver) 14 that receives dew condensation water that is generated and dropped from a pipe connected to the pipe 5 and discharges it to the outside of the casing 5 is provided on the top surface 6 of the casing 5 to the upstream air passage 8a of the heat exchanger. Concavity and convexity annular ribs 6a along the air flow from the suction port 31 to the blower outlet 32 are concentrically provided in corresponding portions, and the vortex generation of the air flow is caused by the multiple annular ribs 6a. Suppressed, low noise and low vibration can be achieved, and rigidity can be improved Unishi and are (for example, see Patent Document 1).

特開２００２−１４７７８９号公報（図１，図２）JP 2002-147789 A (FIGS. 1 and 2)

しかしながら、このように室内機筐体５の天面６の熱交換器上流側風路８ａに対応する部位にのみ環状リブ６ａを設けたものにあっては、筐体５の天面６における外縁部までは補強できず、さらに筐体５の天面６における熱交換器下流側風路８ｂに対応する部位に室内機の内外の温度差によって生じる結露水を処理する手段も無く、天面６における熱交換器下流側風路８ｂに対応する部位に発生した結露水が、天面６の外側へ流れて筐体側壁を伝って室内機本体以外の所に滴下する可能性があった。そのため、断熱材を施す等、結露を防止するのに多くのコストをかけていた。   However, in the case where the annular rib 6a is provided only in the portion corresponding to the heat exchanger upstream side air passage 8a of the top surface 6 of the indoor unit housing 5, the outer edge of the top surface 6 of the housing 5 is provided. Further, there is no means for treating the dew condensation water generated by the temperature difference between the inside and outside of the indoor unit at the portion corresponding to the heat exchanger downstream side air passage 8b on the top surface 6 of the housing 5, and the top surface 6 Condensed water generated in a portion corresponding to the downstream air passage 8b of the heat exchanger may flow to the outside of the top surface 6, travel along the side wall of the casing, and drop on a place other than the main body of the indoor unit. For this reason, a lot of cost is required to prevent condensation such as applying a heat insulating material.

本発明の技術的課題は、室内機筐体の天面全体の剛性を向上させることができるとともに、空調の効率を低下させることなく、かつ天面に結露した水滴を室内機本体以外の箇所に滴下させることなく処理できるようにすることにある。   The technical problem of the present invention is that the rigidity of the entire top surface of the indoor unit housing can be improved, and water droplets condensed on the top surface can be placed at places other than the indoor unit main body without reducing the efficiency of air conditioning. It is to be able to process without dripping.

本発明に係る空気調和機の室内機は、下記の構成からなるものである。すなわち、室内空気を給排気する送風機と、送風機の周りを囲むように設置されて冷媒を循環させる熱交換器と、それらを覆い風路を形成する筐体とを備え、吸込口より室内空気を吸気して熱交換器により室内空気と冷媒との間で熱交換を行わせ吹出口より吹き出させる空気調和機の室内機において、筐体の天面における熱交換器下流側風路に対応する部位に、熱交換器に沿う凹形状の第１の溝を設けるとともに、天面における熱交換器上流側風路となる送風機設置エリアに対応する部位に、凹形状の第２の溝を設け、かつこれら第１の溝と第２の溝を、複数本の凹形状の連結溝によって連通接続し、第１の溝から第２の溝に流れ込んできた結露水を、送風機の稼働時の発熱に伴い加熱される第２の溝で蒸発させるものである。 The indoor unit of an air conditioner according to the present invention has the following configuration. That is, a fan that supplies and exhausts indoor air, a heat exchanger that is installed so as to surround the fan and circulates the refrigerant, and a housing that covers the air to form an air passage, and that draws indoor air from the suction port. In the indoor unit of the air conditioner that performs heat exchange between the indoor air and the refrigerant by the heat exchanger and blows out from the air outlet , the portion corresponding to the air passage downstream of the heat exchanger on the top surface of the housing In addition, a concave first groove is provided along the heat exchanger, and a concave second groove is provided in a portion corresponding to the blower installation area serving as a heat exchanger upstream air passage on the top surface, and The first groove and the second groove are connected to each other by a plurality of concave connecting grooves, and the condensed water flowing into the second groove from the first groove is generated along with heat generation during operation of the blower. It evaporates in the second groove to be heated .

本発明の空気調和機の室内機によれば、筐体の天面における熱交換器下流側風路に対応する部位に、熱交換器に沿う凹形状の第１の溝を設けるとともに、天面における熱交換器上流側風路となる送風機設置エリアに対応する部位に、凹形状の第２の溝を設け、かつこれら第１の溝と第２の溝を、複数本の凹形状の連結溝によって連通接続し、第１の溝から第２の溝に流れ込んできた結露水を、送風機の稼働時の発熱に伴い加熱される第２の溝で蒸発させるように構成しているので、第２の溝、連結溝、及び第１の溝が天面の中央部から外縁部まで連続する補強リブとして機能し、天面全体の剛性を向上させるとともに、天面に結露した水滴を第１の溝により回収し、第２の溝で蒸発させることができる。このため、天面に結露した水滴を、室内機本体以外の箇所に滴下させることなく処理することができる。 According to the indoor unit of the air conditioner of the present invention, a concave first groove along the heat exchanger is provided in a portion corresponding to the heat exchanger downstream air passage on the top surface of the housing, and the top surface A concave second groove is provided in a portion corresponding to the blower installation area serving as an air path upstream of the heat exchanger in the above, and the first groove and the second groove are formed into a plurality of concave connection grooves. Since the dew condensation water that has been connected to each other and has flowed into the second groove from the first groove is evaporated in the second groove that is heated with the heat generated during operation of the blower, the second The groove, the connecting groove, and the first groove function as a reinforcing rib that continues from the center portion of the top surface to the outer edge portion, and improves the rigidity of the entire top surface, and water droplets condensed on the top surface are removed from the first groove. And can be evaporated in the second groove . For this reason, it is possible to treat the water droplets condensed on the top surface without dropping them on a place other than the indoor unit main body.

実施の形態１．
図１は本発明の実施の形態１に係る空気調和機の室内機を熱交換器の位置が解るように示す上面図、図２はその縦断面図であり、各図中、前述の従来例に相当する部分には同一符号を付してある。 Embodiment 1 FIG.
FIG. 1 is a top view showing an indoor unit of an air conditioner according to Embodiment 1 of the present invention so that the position of a heat exchanger can be understood, and FIG. 2 is a longitudinal sectional view thereof. The parts corresponding to are given the same reference numerals.

本実施形態の空気調和機の室内機は、冷媒を循環させる熱交換器１と、室内空気を給排気するファン２及びファンモータ３からなる送風機４と、送風機４の周りを囲むように覆う筐体５と、熱交換器１の下方に配置されて、熱交換器１およびこれに連なる配管で発生して滴下する結露水を受けて筐体５外へ排出するドレンパン（水受け）１４とを有し、筐体５の天面６に種々の溝が設けられている。すなわち、天面６におけるファンモータ設置部の周りには、ファンモータ設置部を中心に放射状に延びる複数のモータ周り補強溝７が施され、ファンモータ３を支えるための剛性が向上されている。また、天面６における熱交換器下流側風路８ｂに対応する部分には、熱交換器１に沿って凹形状の外周補強溝９が施されている。外周補強溝９は、天面６の剛性を向上させるリブの機能と、天面６における熱交換器下流側風路８ｂに対応する部分で主に発生する結露水を流す流路の機能を有する。したがって、外周補強溝９は、その一端が当該室内機内の熱交換器１の配管収納スペース１１に対応する部分まで延出し、この延出端にφ５mm程度の結露水流入孔１２が設けられているとともに、その他端側から結露水流入孔１２に向かうに従って溝深さが深くなるように、つまり外周補強溝９の底部が結露水流入孔１２に向かって下方へ傾斜する斜面に形成され、結露水を結露水流入孔１２に向けて強制的に流すことができるようになっている。筐体５内の配管収納スペース１１は、筐体５、熱交換器１、熱交換器連結板１３で囲まれた空間からなり、風の流れはなく、風路から隔絶されている。なお、ドレンパン１４は、配管収納スペース１１の下側まで延びており、結露水流入孔１２より滴下する結露水を受けて、ドレンホース（図示せず）より筐体外へ排出するようになっている。   The indoor unit of the air conditioner of the present embodiment includes a heat exchanger 1 that circulates a refrigerant, a fan 4 that includes a fan 2 and a fan motor 3 that supply and exhaust indoor air, and a housing that covers the fan 4 so as to surround it. A body 5 and a drain pan (water receiver) 14 that is disposed below the heat exchanger 1 and receives dew condensation water that is generated and dripped in the heat exchanger 1 and piping connected to the heat exchanger 1 and discharges it outside the housing 5. And various grooves are provided in the top surface 6 of the housing 5. That is, around the fan motor installation portion on the top surface 6, a plurality of motor periphery reinforcing grooves 7 extending radially around the fan motor installation portion are provided, and the rigidity for supporting the fan motor 3 is improved. A concave outer circumferential reinforcing groove 9 is provided along the heat exchanger 1 at a portion corresponding to the heat exchanger downstream side air passage 8 b on the top surface 6. The outer peripheral reinforcing groove 9 has a function of a rib for improving the rigidity of the top surface 6 and a function of a flow path for flowing dew condensation water mainly generated in a portion corresponding to the heat exchanger downstream side air passage 8b on the top surface 6. . Therefore, one end of the outer peripheral reinforcing groove 9 extends to a portion corresponding to the pipe storage space 11 of the heat exchanger 1 in the indoor unit, and a condensed water inflow hole 12 having a diameter of about 5 mm is provided at the extended end. In addition, the depth of the groove increases from the other end side toward the condensed water inflow hole 12, that is, the bottom of the outer peripheral reinforcing groove 9 is formed on a slope inclined downward toward the condensed water inflow hole 12. Can be forced to flow toward the condensed water inflow hole 12. The piping storage space 11 in the housing 5 is a space surrounded by the housing 5, the heat exchanger 1, and the heat exchanger connecting plate 13, and there is no wind flow and is isolated from the air path. The drain pan 14 extends to the lower side of the pipe storage space 11, receives the condensed water dripping from the condensed water inflow hole 12, and discharges it from the housing through a drain hose (not shown). .

次に、本実施形態の空気調和機の室内機の動作について説明する。なお、ここでは熱交換器上流側風路８ａあるいはその部位に吸い込まれる空気を１次側あるいは１次空気と表記し、熱交換器下流側風路８ｂあるいはその部位から吹き出される空気を２次側あるいは２次空気と表記する。空気調和機にて冷房運転を行う際に、室内１次空気（約２７℃）はファンモータ３によって回転するファン２によってファン２の下部にある吸込口３１から吸気され、熱交換器１を通過して、その間に熱交換器１内部を流れる冷媒と熱交換して冷却され、２次空気（約１０℃）として吹出口３２より排気される。１次空気に含まれる水分は、熱交換器１にて凝縮した結露水としてドレンパン１４に集められ、ドレンホースより筐体外へ排出される。   Next, operation | movement of the indoor unit of the air conditioner of this embodiment is demonstrated. Here, the air sucked into the heat exchanger upstream side air passage 8a or its part is referred to as primary side or primary air, and the air blown out from the heat exchanger downstream side air passage 8b or its part is secondary. Side or secondary air. When the air conditioner performs the cooling operation, the indoor primary air (about 27 ° C.) is sucked from the suction port 31 below the fan 2 by the fan 2 rotated by the fan motor 3 and passes through the heat exchanger 1. During this time, heat is exchanged with the refrigerant flowing inside the heat exchanger 1 to cool the refrigerant, and the secondary air (about 10 ° C.) is exhausted from the outlet 32. Moisture contained in the primary air is collected in the drain pan 14 as condensed water condensed in the heat exchanger 1 and discharged out of the housing from the drain hose.

熱交換器１は約５℃、冷却された２次空気は約１０℃の低温であり、熱伝導により天面６における熱交換器１から２次側部分が冷却され、そして天面６の温度と天井内の温度（約３０℃）との温度差により天井内空気に含まれる水分が冷却された天面６に結露する。この天面６の結露水は、外周補強溝９内に溜まり、外周補強溝９の底部の傾斜に沿って深い溝側の結露水流入孔１２に向かって流れる。結露水流入孔１２部分は送風機４の影響（風圧）を受けないため、結露水流入孔１２に到達した結露水は重力によって滴下する。滴下した結露水は、熱交換器１の配管収納スペース１１の下方に配置されたドレンパン１４に溜められ、ドレンパン１４に具備されたドレンホースを通って筐体外へと排出される。   The heat exchanger 1 has a low temperature of about 5 ° C. and the cooled secondary air has a low temperature of about 10 ° C., the secondary side portion of the top surface 6 is cooled from the heat exchanger 1 by heat conduction, and the temperature of the top surface 6 Due to the temperature difference between the temperature in the ceiling and the temperature in the ceiling (about 30 ° C.), moisture contained in the ceiling air is condensed on the cooled top surface 6. The condensed water on the top surface 6 accumulates in the outer circumferential reinforcing groove 9 and flows toward the condensed water inflow hole 12 on the deep groove side along the inclination of the bottom of the outer circumferential reinforcing groove 9. Since the dew condensation water inflow hole 12 is not affected by the blower 4 (wind pressure), the dew condensation water that has reached the dew condensation water inflow hole 12 is dropped by gravity. The dripped dew condensation water is stored in a drain pan 14 disposed below the piping storage space 11 of the heat exchanger 1, and is discharged out of the housing through a drain hose provided in the drain pan 14.

このように、本実施形態の空気調和機の室内機によれば、筐体５の天面６における熱交換器下流側風路８ｂに対応する部位に、熱交換器１に沿って、筐体５内の配管収納スペース１１部分に形成した結露水流入孔１２まで延びる凹形状の外周補強溝９を設けているので、外周補強溝９が天面６の外縁部の補強リブとして機能し、天面６の剛性を向上させるとともに、天面６に結露した水滴を外周補強溝９により回収して、結露水流入孔１２より排出することができる。このため、天面６に結露した水滴を、室内機本体以外の箇所に滴下させることなく処理することができる。   As described above, according to the indoor unit of the air conditioner of the present embodiment, the casing is disposed along the heat exchanger 1 along the heat exchanger downstream side air passage 8b on the top surface 6 of the casing 5. 5 is provided with a concave outer peripheral reinforcing groove 9 extending to the condensed water inflow hole 12 formed in the pipe storage space 11 portion, and the outer peripheral reinforcing groove 9 functions as a reinforcing rib on the outer edge of the top surface 6. While improving the rigidity of the surface 6, water droplets condensed on the top surface 6 can be collected by the outer peripheral reinforcing groove 9 and discharged from the condensed water inflow hole 12. For this reason, it is possible to treat the water droplets condensed on the top surface 6 without dropping them on a place other than the indoor unit main body.

また、外周補強溝９の底部を結露水流入孔１２に向かって下方へ傾斜する斜面に形成しているので、結露水を結露水流入孔１２に向けて強制的に流すことができる。   Moreover, since the bottom part of the outer periphery reinforcement groove | channel 9 is formed in the slope which inclines below toward the condensed water inflow hole 12, condensed water can be forced to flow toward the condensed water inflow hole 12. FIG.

また、結露水流入孔１２までドレンパン１４が延びているので、結露水流入孔１２より滴下する結露水を受けて、ドレンホース（図示せず）より筐体外へ排出することができる。   Further, since the drain pan 14 extends to the dew condensation water inflow hole 12, the dew condensation water dripping from the dew condensation water inflow hole 12 can be received and discharged out of the housing from a drain hose (not shown).

実施の形態２．
図３は本発明の実施の形態２に係る空気調和機の室内機を熱交換器の位置が解るように示す上面図、図４はその縦断面図であり、各図中、前述の実施の形態１と同一部分には同一符号を付してある。 Embodiment 2. FIG.
FIG. 3 is a top view showing the indoor unit of an air conditioner according to Embodiment 2 of the present invention so that the position of the heat exchanger can be understood, and FIG. 4 is a longitudinal sectional view thereof. The same parts as those in the first embodiment are denoted by the same reference numerals.

本実施形態の空気調和機の室内機は、筐体５の天面６における熱交換器下流側風路８ｂに対応する部分に凹形状の第１の溝、すなわち前述の実施の形態１で説明した外周補強溝９と同一構成を有する凹形状の外周補強溝９を設けるとともに、天面６における熱交換器上流側風路８ａとなる送風機設置エリアに対応する部位に凹形状の第２の溝、すなわち前述の実施の形態１で説明したモータ周り補強溝７とほぼ同一構成を有するがそれよりも溝深さを深くした複数のモータ周り補強溝７Ａを設け、外周補強溝９とモータ周り補強溝７Ａとの間で数mmの段差を生じるように形成されている。また、外周補強溝９とモータ周り補強溝７Ａとを複数本の凹形状の連結溝２１によって数ヶ所で連通接続し、外周補強溝９からモータ周り補強溝７Ａへ結露水が流れるように構成し、モータ周り補強溝７Ａへ流れ込んできた結露水を、送風機４の稼働時のファンモータ３の発熱（約１００℃）により温められる当該モータ周り補強溝７Ａで蒸発させて除去できるようにしている。なお、連結溝２１の底部は、モータ周り補強溝７Ａに向けて下方へ傾斜する斜面に構成することが好ましい。また、ここでは結露水をモータ周り補強溝７Ａで蒸発させて除去できるので、外周補強溝９の底部は必ずしも結露水流入孔１２に向けて下方へ傾斜する斜面に形成する必要はなく、面一となるように構成してもよい。   The indoor unit of the air conditioner according to the present embodiment is described in the first groove having a concave shape in the portion corresponding to the heat exchanger downstream side air passage 8b on the top surface 6 of the casing 5, that is, the first embodiment described above. The concave outer peripheral reinforcing groove 9 having the same configuration as the outer peripheral reinforcing groove 9 is provided, and the concave second groove is provided in a portion corresponding to the blower installation area on the top surface 6 serving as the heat exchanger upstream side air passage 8a. That is, a plurality of motor peripheral reinforcing grooves 7A having substantially the same configuration as the motor peripheral reinforcing groove 7 described in the first embodiment but having a deeper groove depth are provided, and the outer peripheral reinforcing groove 9 and the motor peripheral reinforcing are provided. A step of several mm is formed between the grooves 7A. Further, the outer peripheral reinforcing groove 9 and the motor surrounding reinforcing groove 7A are connected in communication with each other by a plurality of concave connecting grooves 21 so that condensed water flows from the outer peripheral reinforcing groove 9 to the motor surrounding reinforcing groove 7A. The dew condensation water that has flowed into the motor surrounding reinforcing groove 7A can be evaporated and removed by the motor surrounding reinforcing groove 7A heated by the heat generated by the fan motor 3 (about 100 ° C.) when the blower 4 is in operation. In addition, it is preferable to comprise the bottom part of the connection groove | channel 21 in the slope which inclines below toward the motor periphery reinforcement groove | channel 7A. In addition, since the dew condensation water can be removed by evaporating with the motor-side reinforcing groove 7A here, the bottom of the outer peripheral reinforcing groove 9 does not necessarily have to be formed on a slope inclined downward toward the dew condensation water inflow hole 12. You may comprise so that it may become.

次に、本実施形態の空気調和機の室内機の動作について説明する。なお、ここでも熱交換器上流側風路８ａあるいはその部位に吸い込まれる空気を１次側あるいは１次空気と表記し、熱交換器下流側風路８ｂあるいはその部位から吹き出される空気を２次側あるいは２次空気と表記する。空気調和機にて冷房運転を行う際に、室内１次空気（約２７℃）はファンモータ３によって回転するファン２によってファン２の下部にある吸込口３１から吸気され、熱交換器１を通過して、その間に熱交換器１内部を流れる冷媒と熱交換して冷却され、２次空気（約１０℃）として吹出口３２より排気される。１次空気に含まれる水分は、熱交換器１にて凝縮した結露水としてドレンパン１４に集められ、ドレンホースより筐体外へ排出される。   Next, operation | movement of the indoor unit of the air conditioner of this embodiment is demonstrated. In this case as well, the air sucked into the heat exchanger upstream side air passage 8a or its part is referred to as primary side or primary air, and the air blown out from the heat exchanger downstream side air passage 8b or its part is secondary. Side or secondary air. When the air conditioner performs the cooling operation, the indoor primary air (about 27 ° C.) is sucked from the suction port 31 below the fan 2 by the fan 2 rotated by the fan motor 3 and passes through the heat exchanger 1. During this time, heat is exchanged with the refrigerant flowing inside the heat exchanger 1 to cool the refrigerant, and the secondary air (about 10 ° C.) is exhausted from the outlet 32. Moisture contained in the primary air is collected in the drain pan 14 as condensed water condensed in the heat exchanger 1 and discharged out of the housing from the drain hose.

この時、熱交換器１は約５℃、冷却された２次空気は約１０℃の低温であり、熱伝導により天面６における熱交換器１から２次側部分が冷却され、そして天面６の温度と天井内の温度（約３０℃）との温度差により天井内空気に含まれる水分が冷却された天面６に結露する。この天面６の結露水は、外周補強溝９内に溜まり、一部は外周補強溝９から連結溝２１へ流れ、連結溝２１からそれよりも溝底部が低位置にあるモータ周り補強溝７Ａへ流れ、モータ周り補強溝７Ａにて、送風機４の稼働時のファンモータ３の発熱（約１００℃）により温められて蒸発し除去される。   At this time, the heat exchanger 1 has a low temperature of about 5 ° C. and the cooled secondary air has a low temperature of about 10 ° C., and the secondary portion of the top surface 6 is cooled from the heat exchanger 1 by heat conduction, and the top surface Due to the temperature difference between the temperature 6 and the temperature in the ceiling (about 30 ° C.), the moisture contained in the ceiling air is condensed on the cooled top surface 6. Condensed water on the top surface 6 accumulates in the outer peripheral reinforcing groove 9, partly flows from the outer peripheral reinforcing groove 9 to the connecting groove 21, and the motor surrounding reinforcing groove 7 </ b> A in which the groove bottom is positioned lower than the connecting groove 21. In the motor surrounding reinforcing groove 7A, it is heated and evaporated by the heat generated by the fan motor 3 (about 100 ° C.) when the blower 4 is in operation.

また、外周補強溝９内の結露水の一部は、外周補強溝９の底部の傾斜に沿って深い溝側の結露水流入孔１２に向かって流れ、結露水流入孔１２から下方のドレンパン１４に滴下し、ドレンホースを通って筐体外へと排出される。   Further, a part of the dew condensation water in the outer periphery reinforcing groove 9 flows toward the dew condensation water inflow hole 12 on the deep groove side along the inclination of the bottom of the outer periphery reinforcing groove 9, and the drain pan 14 below the dew condensation water inflow hole 12. It is dripped to the inside of the housing through the drain hose.

このように、本実施形態の空気調和機の室内機によれば、筐体５の天面６における熱交換器下流側風路８ｂに対応する部位に、熱交換器１に沿う凹形状の外周補強溝９を設けるとともに、天面６における熱交換器上流側風路９ａとなる送風機設置エリアに対応する部位に、凹形状のモータ周り補強溝７Ａを設け、これら外周補強溝９とモータ周り補強溝７Ａを、複数本の凹形状の連結溝２１によって連通接続し、外周補強溝９からモータ周り補強溝７Ａに流れ込んできた結露水を、送風機４の稼働時の発熱に伴い加熱されるモータ周り補強溝７Ａで蒸発させるようにしているので、モータ周り補強溝７Ａ、連結溝２１、及び外周補強溝９が天面６の中央部から外縁部まで連続する補強リブとして機能し、天面６全体の剛性を向上させるとともに、天面６に結露した水滴を外周補強溝９により回収し、一部をモータ周り補強溝７Ａで蒸発させ、他の一部を結露水流入孔１２からドレンパン１４に滴下させてドレンホースより筐体外へと排出することができる。このため、天面６に結露した水滴を、室内機本体以外の箇所に滴下させることなく処理することができる。   As described above, according to the indoor unit of the air conditioner of the present embodiment, the concave outer periphery along the heat exchanger 1 is disposed at the portion corresponding to the heat exchanger downstream side air passage 8b on the top surface 6 of the housing 5. The reinforcing groove 9 is provided, and a concave motor surrounding reinforcing groove 7A is provided in a portion corresponding to the blower installation area on the top surface 6 which is the upstream air passage 9a of the heat exchanger, and the outer peripheral reinforcing groove 9 and the motor surrounding reinforcement are provided. The groove 7 </ b> A is connected in communication by a plurality of concave connection grooves 21, and the condensed water that has flowed into the motor-reinforcement groove 7 </ b> A from the outer peripheral reinforcement groove 9 is heated with the heat generated during operation of the blower 4. Since it evaporates in the reinforcing groove 7A, the motor surrounding reinforcing groove 7A, the connecting groove 21 and the outer peripheral reinforcing groove 9 function as reinforcing ribs that continue from the center portion to the outer edge portion of the top surface 6, and the top surface 6 as a whole. With improved rigidity Water droplets condensed on the top surface 6 are collected by the outer peripheral reinforcing groove 9, part of the water is evaporated by the motor peripheral reinforcing groove 7 A, and the other part is dripped from the condensed water inflow hole 12 onto the drain pan 14. It can be discharged outside the body. For this reason, it is possible to treat the water droplets condensed on the top surface 6 without dropping them on a place other than the indoor unit main body.

また、複数のモータ周り補強溝７Ａの溝深さを、外周補強溝９よりも深くしているので、外周補強溝９により回収した結露水を積極的にモータ周り補強溝７Ａに流すことができて、結露水を効率よく除去することができる。   Further, since the groove depth of the plurality of motor-side reinforcing grooves 7A is deeper than that of the outer peripheral reinforcing grooves 9, the condensed water collected by the outer peripheral reinforcing grooves 9 can be actively flowed into the motor-related reinforcing grooves 7A. Thus, the dew condensation water can be removed efficiently.

本発明の実施の形態１に係る空気調和機の室内機を熱交換器の位置が解るように示す上面図である。It is a top view which shows the indoor unit of the air conditioner which concerns on Embodiment 1 of this invention so that the position of a heat exchanger may be understood. 本発明の実施の形態１に係る空気調和機の室内機の縦断面図である。It is a longitudinal cross-sectional view of the indoor unit of the air conditioner concerning Embodiment 1 of this invention. 本発明の実施の形態２に係る空気調和機の室内機を熱交換器の位置が解るように示す上面図である。It is a top view which shows the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention so that the position of a heat exchanger may be understood. 本発明の実施の形態２に係る空気調和機の室内機の縦断面図である。It is a longitudinal cross-sectional view of the indoor unit of the air conditioner which concerns on Embodiment 2 of this invention. 従来の空気調和機の室内機の外観を示す斜視図である。It is a perspective view which shows the external appearance of the indoor unit of the conventional air conditioner. 図５のＡ−Ａ線矢視断面図である。FIG. 6 is a cross-sectional view taken along line AA in FIG. 5.

符号の説明Explanation of symbols

１ 熱交換器、４ 送風機、５ 筐体、６ 天面、７，７Ａ モータ周り補強溝（第２の溝）、８ａ 熱交換器上流側風路、８ｂ 熱交換器下流側風路、９ 外周補強溝（溝：第１の溝）、１１ 配管収納スペース（配管収納部分）、１２ 結露水流入孔、１４ ドレンパン、２１ 連結溝、３１ 吸込口、３２ 吹出口。
DESCRIPTION OF SYMBOLS 1 Heat exchanger, 4 air blower, 5 housing | casing, 6 top surface, 7, 7A Motor surrounding reinforcement groove | channel (2nd groove), 8a Heat exchanger upstream air path, 8b Heat exchanger downstream air path, 9 Outer circumference Reinforcing groove (groove: first groove), 11 piping storage space (piping storage portion), 12 condensed water inflow hole, 14 drain pan, 21 connecting groove, 31 suction port, 32 outlet.

Claims (3)

室内空気を給排気する送風機と、該送風機の周りを囲むように設置されて冷媒を循環させる熱交換器と、それらを覆い風路を形成する筐体とを備え、吸込口より室内空気を吸気して熱交換器により室内空気と冷媒との間で熱交換を行わせ吹出口より吹き出させる空気調和機の室内機において、
前記筐体の天面における熱交換器下流側風路に対応する部位に、前記熱交換器に沿う凹形状の第１の溝を設けるとともに、前記天面における熱交換器上流側風路となる送風機設置エリアに対応する部位に、凹形状の第２の溝を設け、かつこれら第１の溝と第２の溝を、複数本の凹形状の連結溝によって連通接続し、前記第１の溝から前記第２の溝に流れ込んできた結露水を、前記送風機の稼働時の発熱に伴い加熱される前記第２の溝で蒸発させることを特徴とする空気調和機の室内機。 A blower that supplies and exhausts indoor air, a heat exchanger that is installed so as to surround the blower and circulates the refrigerant, and a casing that covers the fan and forms an air passage, and sucks indoor air from the suction port In the indoor unit of the air conditioner that performs heat exchange between the indoor air and the refrigerant by the heat exchanger and blows out from the outlet,
A concave first groove along the heat exchanger is provided in a portion corresponding to the heat exchanger downstream air passage on the top surface of the housing, and the heat exchanger upstream air passage on the top surface is provided. A concave second groove is provided in a portion corresponding to the blower installation area, and the first groove and the second groove are connected in communication by a plurality of concave connecting grooves, and the first groove The air conditioner indoor unit is characterized in that the dew condensation water that has flowed into the second groove is evaporated in the second groove that is heated with the heat generated during operation of the blower. 前記第１の溝から前記第２の溝へ結露水が流れるように、該第２の溝の深さを深くしたことを特徴とする請求項１記載の空気調和機の室内機。 The first condensation as water flows from the groove to the second groove, the indoor unit of an air conditioner according to claim 1, characterized in that the depth of the second groove. 前記第１の溝は、前記筐体内の配管収納部分に対応する部分まで延出し、この延出端に結露水流入孔が設けられているとともに、その溝の底部が、前記結露水流入孔に向かって下方へ傾斜する斜面に形成されていることを特徴とする請求項１又は請求項２記載の空気調和機の室内機。The first groove extends to a portion corresponding to a pipe storage portion in the housing, and a dew condensation water inflow hole is provided at the extended end, and a bottom portion of the groove is formed in the dew condensation water inflow hole. The indoor unit for an air conditioner according to claim 1 or 2, wherein the indoor unit is formed on a slope inclined downward.
JP2005371427A 2005-12-26 2005-12-26 Air conditioner indoor unit Expired - Fee Related JP4542030B2 (en)

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JP5720598B2 (en) * 2012-02-10 2015-05-20 ダイキン工業株式会社 Air conditioner indoor unit
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198925U (en) * 1984-12-06 1986-06-25
JPH05149570A (en) * 1991-11-29 1993-06-15 Toshiba Corp Air conditioner of ceiling cassette type
JP2002022200A (en) * 2000-07-05 2002-01-23 Fujitsu General Ltd Air conditioner
JP2002147789A (en) * 2000-11-10 2002-05-22 Hitachi Ltd Indoor unit of air conditioner
JP2002162059A (en) * 2000-11-20 2002-06-07 Daikin Ind Ltd Air conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6198925U (en) * 1984-12-06 1986-06-25
JPH05149570A (en) * 1991-11-29 1993-06-15 Toshiba Corp Air conditioner of ceiling cassette type
JP2002022200A (en) * 2000-07-05 2002-01-23 Fujitsu General Ltd Air conditioner
JP2002147789A (en) * 2000-11-10 2002-05-22 Hitachi Ltd Indoor unit of air conditioner
JP2002162059A (en) * 2000-11-20 2002-06-07 Daikin Ind Ltd Air conditioner

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