JP2018165589A - Indoor unit of ceiling embedded type air conditioner - Google Patents

Indoor unit of ceiling embedded type air conditioner Download PDF

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JP2018165589A
JP2018165589A JP2017062675A JP2017062675A JP2018165589A JP 2018165589 A JP2018165589 A JP 2018165589A JP 2017062675 A JP2017062675 A JP 2017062675A JP 2017062675 A JP2017062675 A JP 2017062675A JP 2018165589 A JP2018165589 A JP 2018165589A
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air
heat exchanger
indoor unit
ceiling
flow fan
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和馬 細田
Kazuma Hosoda
和馬 細田
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Fujitsu General Ltd
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  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an indoor unit of a ceiling embedded type air conditioner for directing air blown from an air blowing port to a right under direction.SOLUTION: A first heat exchanger 15A and a second heat exchanger 15B are incorporated in a V-shape. The first heat exchanger 15A is arranged to suck air of a first air suction port 12a, and the second heat exchanger 15B is arranged to suck air of a second air suction port 12b. A cross flow fan 14 is arranged so that a tangent line A of an outer periphery 14b facing an air blowing port 11c passes through an almost center part of the air blowing port 11c in a vertical direction, and its center is positioned in an inclination direction of the second heat exchanger 15B.SELECTED DRAWING: Figure 1

Description

本発明は、室内の天井板に取り付けられる天井埋込型空気調和機の室内機に関する。   The present invention relates to an indoor unit of a ceiling-embedded air conditioner that is attached to an indoor ceiling plate.

天井埋込型空気調和機の室内機は、例えば建造物の１階の天井板と２階の床下との間のスペース、あるいは２階の天井板と屋根裏との間のスペースに取り付けられるが、近年の建造物は室内空間の天井高さを大きくする傾向がある。このため上記したスペースの上下方向長さが短くなっており、これに対応して室内機もその高さを低くしなければならない。また、近年の建造物では空調の対象となる室内空間が広くなっているので、室内機には大きな熱交換容量が要求される。このように、天井埋込型空気調和機の室内機には、小型化と同時に大容量化が求められている。   The indoor unit of the ceiling-embedded air conditioner is attached to, for example, the space between the first floor ceiling plate and the second floor under the floor of the building, or the space between the second floor ceiling plate and the attic, Recent buildings tend to increase the ceiling height of indoor spaces. For this reason, the vertical length of the space described above is shortened, and the height of the indoor unit must be reduced correspondingly. In recent buildings, the indoor space to be air-conditioned is widened, so that a large heat exchange capacity is required for the indoor unit. As described above, the indoor unit of the ceiling-embedded air conditioner is required to have a small capacity and a large capacity.

そこで、従来の天井埋込型空気調和機の室内機では、例えば２個の熱交換器を使用して熱交換容量の大容量化の要求に応えると同時に、その２個の熱交換器をＶ字形状に組み立てて筐体内に配置することで室内機の縦方向サイズ及び横方向サイズを小さくすることが行われている。   Therefore, in a conventional indoor unit of a ceiling-embedded air conditioner, for example, two heat exchangers are used to meet the demand for a large heat exchange capacity, and at the same time, the two heat exchangers are connected to V A vertical size and a horizontal size of an indoor unit are reduced by assembling them in a letter shape and arranging them in a housing.

図２はこのような要求に応えた従来の天井埋込型空気調和機の室内機２０の概略構成を示す図（例えば、特許文献１、２参照）である。２１は天井板３０に埋め込む形で取り付けられる筐体であり、その筐体２１の下面は、第１空気吸込口２２ａ、第２空気吸込口２２ｂ、空気吹出口２２ｃが形成された下面パネル２２によって閉じられている。そして、筐体２１内の第１空気吸込口２２ａ及び第２空気吸込口２２ｂから空気吹出口２２ｃに至る通路は、空気流通路２３となっている。なお、図２では、第１空気吸込口２２ａ、第２空気吸込口２２ｂ、空気吹出口２２ｃに取り付けられるグリルやフィルタは省略している。   FIG. 2 is a diagram showing a schematic configuration of an indoor unit 20 of a conventional ceiling-embedded air conditioner that meets such requirements (see, for example, Patent Documents 1 and 2). Reference numeral 21 denotes a housing that is attached in a manner to be embedded in the ceiling plate 30. The lower surface of the housing 21 is formed by a lower surface panel 22 in which a first air inlet 22a, a second air inlet 22b, and an air outlet 22c are formed. Closed. A passage from the first air suction port 22a and the second air suction port 22b in the housing 21 to the air outlet 22c is an air flow passage 23. In FIG. 2, grills and filters attached to the first air inlet 22a, the second air inlet 22b, and the air outlet 22c are omitted.

その空気流通路２３には、空気流を生成するためのクロスフローファン２４と、その空気流通路２３を通過する空気流を冷媒と熱交換する第１熱交換器２５Ａ及び第２熱交換器２５Ｂが配置されている。   The air flow passage 23 includes a cross flow fan 24 for generating an air flow, and a first heat exchanger 25A and a second heat exchanger 25B that exchange heat between the air flow passing through the air flow passage 23 and the refrigerant. Is arranged.

２６はドレンパンであり、第１熱交換器２５Ａ及び第２熱交換器２５Ｂに生じたドレン水を集めるよう第１熱交換器２５Ａ及び第２熱交換器２５ＢのＶ字形状部の下方に配置されている。２７は第２空気吸込口２２ｂと空気吹出口２２ｃを分離する仕切板である。   A drain pan 26 is arranged below the V-shaped portion of the first heat exchanger 25A and the second heat exchanger 25B so as to collect drain water generated in the first heat exchanger 25A and the second heat exchanger 25B. ing. A partition plate 27 separates the second air inlet 22b and the air outlet 22c.

この室内機２０では、第１空気吸込口２２ａから吸い込まれた室内の空気が第１熱交換器２５Ａで冷媒と熱交換され、第２空気吸込口２２ｂから吸い込まれた室内の空気が第２熱交換器２５Ｂで熱交換され、それぞれクロスフローファン２４によって、空気吹出口２２ｃから室内に吹き出される。   In the indoor unit 20, the indoor air sucked from the first air suction port 22a is heat-exchanged with the refrigerant in the first heat exchanger 25A, and the indoor air sucked from the second air suction port 22b is second heat. Heat is exchanged in the exchanger 25B and blown out into the room from the air outlet 22c by the cross flow fan 24, respectively.

特開平９−１４５１４３号公報JP-A-9-145143 特開２０００−２４０９６５号公報JP 2000-240965 A

ところが、図２の室内機２０は、クロスフローファン２４が第１熱交換器２４Ａと第２熱交換器２４Ｂの間に配置されている。このため、熱交換容量の大容量化に合わせてこのクロスフローファンを大型化すると室内機サイズが大きくなる問題がある。   However, in the indoor unit 20 of FIG. 2, the cross flow fan 24 is disposed between the first heat exchanger 24A and the second heat exchanger 24B. For this reason, there is a problem that the size of the indoor unit increases when the cross flow fan is enlarged in accordance with the increase in the heat exchange capacity.

また、このクロスフローファン２４から吹き出される空気は、そのクロスフローファン２４の外形の接線Ｂの方向となるが、この接線Ｂの方向は空気吹出口２２ｃに対して傾斜した方向である。したがって、空気吹出口２２ｃから吹き出される空気は斜め外方向になり、真下の方向には吹き出されない。   The air blown out from the cross flow fan 24 is in the direction of the tangent line B of the outer shape of the cross flow fan 24, and the direction of the tangent line B is inclined with respect to the air outlet 22c. Therefore, the air blown out from the air outlet 22c is obliquely outward, and is not blown out in the direction directly below.

本発明の目的は、熱交換容量やクロスフローファンを大きくしながら室内機サイズを小さくしまた、空気吹出口から吹き出される空気が真下の方向となるようにした天井埋込型空気調和機の室内機を提供することである。   The object of the present invention is to reduce the size of the indoor unit while increasing the heat exchange capacity and the cross flow fan, and to provide a ceiling-embedded air conditioner in which the air blown out from the air outlet is directed directly below. It is to provide indoor units.

上記目的を達成するために、請求項１にかかる発明は、天井板に取り付けられる筐体と、該筐体の下面を閉じる下面パネルに形成された空気吸込口及び空気吹出口と、前記筐体内に形成される前記空気吸込口から前記空気吹出口に至る空気流通路と、該空気流通路に配置された円柱形状のクロスフローファンと、該クロスフローファンに流入する空気を冷媒と熱交換するよう前記空気流通路内に配置された熱交換器と、を備えた天井埋込型空気調和機の室内機において、前記熱交換器は、下部がＶ字形状に組み立てられた第１熱交換器と第２熱交換器からなり、前記空気吸込口は、前記第１熱交換器に流入する空気を吸い込む第１空気吸込口と、前記第２熱交換器に流入する空気を吸い込む第２空気吸込口からなり、前記クロスフローファンは、前記クロスフローファンの側面における前記空気吹出口に臨む側で且つ前記空気吹出口の開口面に直交する接線が前記空気吹出口の中央を垂直方向に通過するように、且つ前記クロスフローファンの中心軸が前記第２熱交換器の傾斜方向となる位置に配置されている、ことを特徴とする。
請求項２にかかる発明は、請求項１に記載の天井埋込型空気調和機の室内機において、前記クロスフローファンから吹き出される空気を前記空気吹出口に垂直方向にガイドするリアガイダが配置されていることを特徴とする。
請求項３にかかる発明は、請求項１又は２に記載の天井埋込型空気調和機の室内機において、前記第２吸込口から前記第２熱交換器に至る経路と前記空気吹出口とを分離する仕切板が配置され、該仕切板は前記空気吹出口の側がクロスフローファンの側よりも広がるように配置されていることを特徴とする。
請求項４にかかる発明は、請求項１、２又は３に記載の天井埋込型空気調和機の室内機において、前記第１空気吸込口と前記第２空気吸込口の開口面積は、前記第１熱交換器と前記第２熱交換器の熱交換容量の比率に対応した大きさに設定されていることを特徴とする。 In order to achieve the above object, the invention according to claim 1 includes a housing attached to a ceiling plate, an air inlet and an air outlet formed in a lower panel that closes a lower surface of the housing, and an interior of the housing. An air flow passage formed from the air inlet to the air outlet, a cylindrical cross flow fan disposed in the air flow passage, and heat exchange of the air flowing into the cross flow fan with the refrigerant And a heat exchanger disposed in the air flow passage, wherein the heat exchanger is a first heat exchanger whose lower part is assembled in a V-shape. And the second heat exchanger, and the air suction port includes a first air suction port for sucking air flowing into the first heat exchanger, and a second air suction port for sucking air flowing into the second heat exchanger. The cross flow fan consisting of a mouth A side of the cross flow fan facing the air outlet and a tangent line orthogonal to the opening surface of the air outlet passes through the center of the air outlet in the vertical direction, and The central axis is disposed at a position where the second heat exchanger is inclined.
According to a second aspect of the present invention, in the indoor unit of the ceiling-embedded air conditioner according to the first aspect, a rear guider that guides the air blown from the cross flow fan in the vertical direction to the air blower outlet is disposed. It is characterized by.
The invention according to claim 3 is the indoor unit of a ceiling-embedded air conditioner according to claim 1 or 2, wherein the path from the second suction port to the second heat exchanger and the air outlet are A partition plate to be separated is arranged, and the partition plate is arranged so that the air outlet side is wider than the cross flow fan side.
The invention according to claim 4 is the indoor unit of the ceiling-embedded air conditioner according to claim 1, 2, or 3, wherein the opening area of the first air inlet and the second air inlet is the first. It is set to the magnitude | size corresponding to the ratio of the heat exchange capacity | capacitance of 1 heat exchanger and a said 2nd heat exchanger.

本発明によれば、クロスフローファンが、そのクロスフローファンの側面における空気吹出口に臨む側で且つ空気吹出口の開口面に直交する接線がその空気吹出口の中央を垂直方向に通過するように配置されているので、クロスフローファンから吹き出される空気を、空気吹出口からほぼ真下の方向に吹き出すことができる。また、第１熱交換器と第２熱交換器はＶ字形状に組み立てられ、クロスフローファンはその中心軸が第２熱交換器の傾斜方向となる位置に配置されているので、熱交換容量やクロスフローファンを大きくしながら室内機サイズを小さくできる。   According to the present invention, the cross flow fan is such that the tangent line on the side of the cross flow fan facing the air outlet and perpendicular to the opening surface of the air outlet passes vertically through the center of the air outlet. Therefore, the air blown out from the cross flow fan can be blown out in a direction almost directly below the air outlet. In addition, the first heat exchanger and the second heat exchanger are assembled in a V shape, and the cross flow fan is disposed at a position where the central axis thereof is in the inclined direction of the second heat exchanger. And the indoor unit size can be reduced while increasing the cross flow fan.

本発明の１つの実施例の天井埋込型空気調和機の室内機の概略構成図である。It is a schematic block diagram of the indoor unit of the ceiling embedded type air conditioner of one Example of this invention. 従来の天井埋込型空気調和機の室内機の概略構成図である。It is a schematic block diagram of the indoor unit of the conventional ceiling-embedded air conditioner.

図１に本実施例の天井埋込型空気調和機の室内機１０の概略構成を示す。１１は天井板３０に埋め込む形で取り付けられる直方体形状の筐体であり、その筐体１１の下面は、第１空気吸込口１２ａ、第２空気吸込口１２ｂ、空気吹出口１２ｃが形成された下面パネル１２によって閉じられている。なお、第１空気吸込口１２ａ、第２空気吸込口１２ｂ、空気吹出口１２ｃに取り付けられるグリルやフィルタは省略している。そして、筐体１１内には、第１空気吸込口１２ａ及び第２空気吸込口１２ｂから空気吹出口１２ｃに至るように、空気流通路１３が形成されている。   FIG. 1 shows a schematic configuration of an indoor unit 10 of a ceiling-embedded air conditioner according to the present embodiment. Reference numeral 11 denotes a rectangular parallelepiped housing attached in a manner to be embedded in the ceiling plate 30. The lower surface of the housing 11 is a lower surface on which a first air inlet 12a, a second air inlet 12b, and an air outlet 12c are formed. Closed by panel 12. Note that grills and filters attached to the first air inlet 12a, the second air inlet 12b, and the air outlet 12c are omitted. And in the housing | casing 11, the air flow path 13 is formed so that it may reach from the 1st air inlet 12a and the 2nd air inlet 12b to the air blower outlet 12c.

空気流通路１３には、空気流を生成するためのクロスフローファン１４と、その空気流通路１３を通過する空気流を冷媒と熱交換するようにその空気流通路１３内にＶ字形状となるよう下部が結合された第１熱交換器１５Ａ及び第２熱交換器１５Ｂが配置されている。第１熱交換器１５Ａ及び第２熱交換器１５Ｂは方形の板形状である。   The air flow passage 13 has a V-shape in the air flow passage 13 so as to exchange heat between the cross flow fan 14 for generating the air flow and the air flow passing through the air flow passage 13 with the refrigerant. A first heat exchanger 15 </ b> A and a second heat exchanger 15 </ b> B, which are coupled at the lower part, are arranged. The first heat exchanger 15A and the second heat exchanger 15B have a rectangular plate shape.

１６はドレンパンであり、第１熱交換器１５Ａ及び第２熱交換器１５Ｂに生じたドレン水を集めるよう第１熱交換器１５Ａ及び第２熱交換器１５Ｂの下方に配置されている。   A drain pan 16 is disposed below the first heat exchanger 15A and the second heat exchanger 15B so as to collect drain water generated in the first heat exchanger 15A and the second heat exchanger 15B.

１７は第２空気吸込口１２ｂから第２熱交換器２Ｂに至る経路とクロスフローファン１４から空気吹出口１２ｃに至る経路とを分離してそれらの間のショートカットを防止するための仕切板であり、空気吹出口１２ｃの側がクロスフローファン１４の側よりも広がるように配置されている。   17 is a partition plate for separating the path from the second air inlet 12b to the second heat exchanger 2B and the path from the crossflow fan 14 to the air outlet 12c to prevent a shortcut between them. The air outlet 12c is disposed so as to be wider than the cross flow fan 14 side.

１８は筐体１１の天板１１ａと筐体１１の左側面１１ｂの内側に配置されたリアガイダであり、上端部１８ａはクロスフローファン１４の中心１４ａの真上か又はそれよりも第１熱交換器１５Ａ側の方向に突出し、内側下端部１８ｂは空気吹出口１１ｃの開口面１１ｃ１に対して垂直になっている。   Reference numeral 18 denotes a rear guider disposed inside the top plate 11a of the casing 11 and the left side surface 11b of the casing 11, and the upper end portion 18a is directly above the center 14a of the cross flow fan 14 or is subjected to the first heat exchange. The inner lower end 18b is perpendicular to the opening surface 11c1 of the air outlet 11c.

第１熱交換器１５Ａは第１空気吸込口１２ａから吸い込まれた空気が流入するように配置され、筐体１１の下面パネル１２から天板１１ａの方向に向かって４５度以上に傾斜している。また、第２熱交換器１５Ｂは第２空気吸込口１２ｂから吸い込まれた空気が仕切板１７でガイドされて流入するように配置され、前記第１熱交換器と交差する方向に下面パネル１２から天板１１ａの方向に向かって４５度以上に傾斜している。この第２熱交換器１５Ｂの傾斜方向はクロスフローファン１４の中心軸１４ａの方向である。そして、それらの第１熱交換器１５Ａと第２熱交換器１５Ｂの下部は、Ｖ字形状に組み立てられてドレンパン６の上方に位置している。   15A of 1st heat exchangers are arrange | positioned so that the air inhaled from the 1st air suction inlet 12a may flow in, and it inclines 45 degrees or more toward the direction of the top plate 11a from the lower surface panel 12 of the housing | casing 11. . The second heat exchanger 15B is arranged so that the air sucked from the second air suction port 12b is guided by the partition plate 17 and flows in from the lower panel 12 in the direction intersecting the first heat exchanger. It inclines 45 degrees or more toward the direction of the top plate 11a. The inclination direction of the second heat exchanger 15B is the direction of the central axis 14a of the cross flow fan 14. The lower portions of the first heat exchanger 15 </ b> A and the second heat exchanger 15 </ b> B are assembled in a V shape and are located above the drain pan 6.

第１熱交換器１５Ａ及び第２熱交換器１５Ｂを上記のような４５度以上の角度でＶ字形状に組み立てることにより、それらの熱交換器１５Ａ，１５Ｂからドレン水が第１空気吸込口１２ａや第２空気吸込口１２ｂに向けて垂れ落ちることを防止できる（４５度未満では垂れ落ちる）ので、ドレンパン１６の大きさを第１熱交換器１５Ａ及び第２熱交換器１５Ｂが結合された下部を覆う程度に小さく設定できるため、第１空気吸込口１２ａや第２空気吸込口１２ｂを大きくすることができる。   By assembling the first heat exchanger 15A and the second heat exchanger 15B into a V shape at an angle of 45 degrees or more as described above, drain water is supplied from the heat exchangers 15A and 15B to the first air inlet 12a. And the second air suction port 12b can be prevented from drooping (lower than 45 degrees), the size of the drain pan 16 is reduced to the lower portion where the first heat exchanger 15A and the second heat exchanger 15B are combined. Therefore, the first air inlet 12a and the second air inlet 12b can be enlarged.

第１熱交換器１５Ａの熱交換容量は、第２熱交換器１５Ｂの熱交換容量に対して、第１空気吸込口１２ａの横方向長さＬ１と第２空気吸込口１２ｂの横方向長さＬ２の比率に応じて設定されている。第１空気吸込口１２ａと第２空気吸込口１２ｂの開口形状は方形であり、奥行（図１に紙面方向）の長さは同じであるので、結局、第１熱交換器１５Ａと第２熱交換器１５Ｂの熱交換容量の利率は、第１空気吸込口１２ａと第２空気吸込口１２ｂの開口面積の比率に対応していることになる。   The heat exchange capacity of the first heat exchanger 15A is equal to the lateral length L1 of the first air inlet 12a and the lateral length of the second air inlet 12b with respect to the heat exchange capacity of the second heat exchanger 15B. It is set according to the ratio of L2. Since the opening shapes of the first air suction port 12a and the second air suction port 12b are rectangular and the lengths in the depth (the direction of the paper in FIG. 1) are the same, after all, the first heat exchanger 15A and the second heat The interest rate of the heat exchange capacity of the exchanger 15B corresponds to the ratio of the opening areas of the first air suction port 12a and the second air suction port 12b.

クロスフローファン１４は、円柱形状をしており、その中心軸１４ａが第１熱交換器１５Ａや第２熱交換器１５Ｂの奥行方法と平行となるように、且つその中心軸１４ａが第２熱交換器１５Ｂの傾斜方向となる位置で、且つその側面１４ｂにおける空気吹出口１２ｃに臨む側で且つ空気吹出口１２ｃの開口面１２ｃ１に直交する接線Ａが空気吹出口１２ｃの中央を垂直方向に通過する位置に配置さている。したがって、クロスフローファン１４から空気吹出口１２ｃの方向に吹き出される空気は、リアガイダ１８の内側下端部１８ｂが空気吹出１２ｃの開口面１２ｃ１や天井板３０に対して垂直であることと相まって、真下の方向となる。   The cross flow fan 14 has a cylindrical shape, the central axis 14a of which is parallel to the depth method of the first heat exchanger 15A and the second heat exchanger 15B, and the central axis 14a thereof is the second heat. A tangent line A at a position in the inclination direction of the exchanger 15B and on the side facing the air outlet 12c on the side surface 14b and perpendicular to the opening surface 12c1 of the air outlet 12c passes vertically through the center of the air outlet 12c. It is arranged at the position to do. Therefore, the air blown from the cross flow fan 14 toward the air outlet 12c is directly below the inner lower end 18b of the rear guider 18 perpendicular to the opening surface 12c1 of the air outlet 12c and the ceiling plate 30. Direction.

このとき、第２吸込口１２ｂと空気吹出口１２ｃを分離する仕切板１７は、空気吹出口１２ｃの上部よりも空気吹出口１２ｃの開口面１２ｃ１の側が広くなるように形成されているので、仕切板１７が吹出口１２ｃから吹き出される空気の邪魔になることはない。以上から、クロスフローファン１４から吹き出される空気は、空気吹出口１２ｃにほぼ垂直に向かう方向となる。つまり、熱交換済みの空気は空気吹出口１２ｃからはほぼ真下の方向に吹き出される。   At this time, the partition plate 17 that separates the second air inlet 12b and the air outlet 12c is formed so that the opening surface 12c1 side of the air outlet 12c is wider than the upper part of the air outlet 12c. The plate 17 does not get in the way of the air blown out from the air outlet 12c. From the above, the air blown out from the cross flow fan 14 is in a direction substantially perpendicular to the air outlet 12c. That is, the heat-exchanged air is blown out from the air outlet 12c in a direction almost directly below.

熱交換容量の大容量化によって熱交換器やクロスフローファンが大型化する傾向にあるが、筐体は小さくしたいという要望がある。本実施例では、熱交換容量の大容量化は第１熱交換器１５Ａと第２熱交換器１５Ｂのように２個の熱交換器を使用することで実現し、筐体の小型化はその第１熱交換器１５Ａと第２熱交換器１５Ｂの組み立てをＶ字形状にすることで実現している。   Although heat exchangers and cross flow fans tend to increase in size due to an increase in heat exchange capacity, there is a demand for a smaller casing. In this embodiment, the heat exchange capacity is increased by using two heat exchangers such as the first heat exchanger 15A and the second heat exchanger 15B, and the downsizing of the casing is The first heat exchanger 15A and the second heat exchanger 15B are assembled in a V shape.

また、クロスフローファン１４の大型化は、第１熱交換器１５Ａと第２熱交換器１５Ｂの間ではなく、そのクロスフローファン１４の中心軸１４ａが第２熱交換器１５Ｂの傾斜方向になるように配置することで実現している。   Further, the size of the cross flow fan 14 is not increased between the first heat exchanger 15A and the second heat exchanger 15B, but the center axis 14a of the cross flow fan 14 is in the inclination direction of the second heat exchanger 15B. It is realized by arranging like this.

１０：室内機、１１：筐体、１１ａ：天板、１１ｂ：左側面１２：下面パネル、１２ａ：第１空気吸込口、１２ｂ：第２空気吸込口、１２ｃ：空気吹出口、１３：空気流通路、１４：クロスフローファン、１４ａ：中心軸、１４ｂ：外周、１４ｂ１：一部、１５Ａ：第１熱交換器、１５Ａ１：上端、１５Ａ２：下面、１５Ｂ：第２熱交換器、１５Ｂ１：上端、１６：ドレンパン、１７：仕切板、１８：リアガイダ、１８ａ：上端部、１８ｂ：内側下端部
２０：室内機、２１：筐体、２２：下面パネル、２２ａ：第１空気吸込口、２２ｂ：第２空気吸込口、２２ｃ：空気吹出口、２３：空気流通路、２４：クロスフローファン、２５Ａ：第１熱交換器、２５Ｂ：第２熱交換器、２６：ドレンパン、２７：仕切板
３０：天井板
10: indoor unit, 11: housing, 11a: top plate, 11b: left side 12: bottom panel, 12a: first air inlet, 12b: second air inlet, 12c: air outlet, 13: air circulation Road, 14: cross flow fan, 14a: central axis, 14b: outer periphery, 14b1: part, 15A: first heat exchanger, 15A1: upper end, 15A2: lower surface, 15B: second heat exchanger, 15B1: upper end, 16: Drain pan, 17: Partition plate, 18: Rear guider, 18a: Upper end, 18b: Inner lower end 20: Indoor unit, 21: Housing, 22: Lower panel, 22a: First air inlet, 22b: Second Air inlet, 22c: Air outlet, 23: Air flow passage, 24: Cross flow fan, 25A: First heat exchanger, 25B: Second heat exchanger, 26: Drain pan, 27: Partition plate 30: Ceiling plate

Claims (4)

天井板に取り付けられる筐体と、該筐体の下面を閉じる下面パネルに形成された空気吸込口及び空気吹出口と、前記筐体内に形成される前記空気吸込口から前記空気吹出口に至る空気流通路と、該空気流通路に配置された円柱形状のクロスフローファンと、該クロスフローファンに流入する空気を冷媒と熱交換するよう前記空気流通路内に配置された熱交換器と、を備えた天井埋込型空気調和機の室内機において、
前記熱交換器は、下部がＶ字形状に組み立てられた第１熱交換器と第２熱交換器からなり、
前記空気吸込口は、前記第１熱交換器に流入する空気を吸い込む第１空気吸込口と、前記第２熱交換器に流入する空気を吸い込む第２空気吸込口からなり、
前記クロスフローファンは、前記クロスフローファンの側面における前記空気吹出口に臨む側で且つ前記空気吹出口の開口面に直交する接線が前記空気吹出口の中央を垂直方向に通過するように、且つ前記クロスフローファンの中心軸が前記第２熱交換器の傾斜方向となる位置に配置されている、
ことを特徴とする天井埋込型空気調和機の室内機。 A housing attached to the ceiling plate, an air inlet and an air outlet formed in a lower panel that closes the lower surface of the casing, and air from the air inlet formed in the casing to the air outlet A flow passage, a cylindrical cross flow fan disposed in the air flow passage, and a heat exchanger disposed in the air flow passage so as to exchange heat between the air flowing into the cross flow fan and the refrigerant. In the indoor unit of the ceiling-embedded air conditioner provided,
The heat exchanger comprises a first heat exchanger and a second heat exchanger, the lower part of which is assembled in a V shape,
The air suction port includes a first air suction port for sucking air flowing into the first heat exchanger and a second air suction port for sucking air flowing into the second heat exchanger,
The cross flow fan is such that a tangent line on the side of the cross flow fan facing the air outlet and perpendicular to the opening surface of the air outlet passes vertically through the center of the air outlet, and The central axis of the cross flow fan is disposed at a position that is the inclination direction of the second heat exchanger,
An indoor unit of a ceiling-embedded air conditioner characterized by that. 請求項１に記載の天井埋込型空気調和機の室内機において、
前記クロスフローファンから吹き出される空気を前記空気吹出口に垂直方向にガイドするリアガイダが配置されていることを特徴とする天井埋込型空気調和機の室内機。 The indoor unit of a ceiling-embedded air conditioner according to claim 1,
An indoor unit of a ceiling-embedded air conditioner, wherein a rear guider that guides air blown from the cross flow fan in a direction perpendicular to the air outlet is disposed. 請求項１又は２に記載の天井埋込型空気調和機の室内機において、
前記第２吸込口から前記第２熱交換器に至る経路と前記空気吹出口とを分離する仕切板が配置され、該仕切板は前記空気吹出口の側がクロスフローファンの側よりも広がるように配置されていることを特徴とする天井埋込型空気調和機の室内機。 In the indoor unit of the ceiling-embedded air conditioner according to claim 1 or 2,
A partition plate that separates the path from the second suction port to the second heat exchanger and the air outlet is disposed, and the partition plate is arranged such that the side of the air outlet is wider than the side of the cross flow fan. An indoor unit of a ceiling-embedded air conditioner characterized by being arranged. 請求項１、２又は３に記載の天井埋込型空気調和機の室内機において、
前記第１空気吸込口と前記第２空気吸込口の開口面積は、前記第１熱交換器と前記第２熱交換器の熱交換容量の比率に対応した大きさに設定されていることを特徴とする天井埋込型空気調和機の室内機。

In the indoor unit of the ceiling-embedded air conditioner according to claim 1, 2, or 3,
The opening area of the first air inlet and the second air inlet is set to a size corresponding to the ratio of the heat exchange capacity of the first heat exchanger and the second heat exchanger. An indoor unit of a ceiling-embedded air conditioner.

JP2017062675A 2017-03-28 2017-03-28 Indoor unit of ceiling embedded type air conditioner Pending JP2018165589A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022091279A1 (en) * 2020-10-29 2022-05-05 三菱電機株式会社 Indoor unit for ceiling-embedded air conditioner

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000065376A (en) * 1998-08-19 2000-03-03 Toshiba Corp Ceiling cassette type air conditioner
JP2008122056A (en) * 2006-11-15 2008-05-29 Samsung Electronics Co Ltd Ceiling type air conditioner

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000065376A (en) * 1998-08-19 2000-03-03 Toshiba Corp Ceiling cassette type air conditioner
JP2008122056A (en) * 2006-11-15 2008-05-29 Samsung Electronics Co Ltd Ceiling type air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022091279A1 (en) * 2020-10-29 2022-05-05 三菱電機株式会社 Indoor unit for ceiling-embedded air conditioner
JPWO2022091450A1 (en) * 2020-10-29 2022-05-05
WO2022091450A1 (en) * 2020-10-29 2022-05-05 三菱電機株式会社 Indoor unit of ceiling-embedded air conditioner

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