JP2019132546A - Outdoor unit of air conditioning device - Google Patents

Outdoor unit of air conditioning device Download PDF

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JP2019132546A
JP2019132546A JP2018015492A JP2018015492A JP2019132546A JP 2019132546 A JP2019132546 A JP 2019132546A JP 2018015492 A JP2018015492 A JP 2018015492A JP 2018015492 A JP2018015492 A JP 2018015492A JP 2019132546 A JP2019132546 A JP 2019132546A
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heat exchange
partition plate
tip
casing
inner heat
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JP6673376B2 (en
Inventor
史朗 小池
Shiro Koike
史朗 小池
大樹 平和
Daiki Heiwa
大樹 平和
祐輔 田中
Yusuke Tanaka
祐輔 田中
誉士 辻内
Takashi Tsujiuchi
誉士 辻内
成毅 神谷
Shigeki Kamiya
成毅 神谷
堀田 卓也
Takuya Hotta
卓也 堀田
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Daikin Industries Ltd
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Daikin Industries Ltd
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Priority to JP2018015492A priority Critical patent/JP6673376B2/en
Priority to CN201920177827.8U priority patent/CN209639147U/en
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Abstract

To suppress a flow rate of air bypassing heat exchangers, in an outdoor unit including a plurality of the heat exchangers.SOLUTION: First and second heat exchangers (40, 50) disposed in an outdoor unit, respectively include outer peripheral heat exchange portions (41, 51) along an outer periphery of a casing, and inner heat exchange portions (42, 52) extended to an inner side of the casing from the outer peripheral heat exchange portions (41, 51). Tip partitioning plates (80) are disposed at a tip side of the inner heat exchange portions (42, 52) opposed to each other. The thin tip partitioning plates (80) have inclined portions on side wall portions (83). An interval between the inclined portions is gradually narrowed from the tip side of the inner heat exchange portions (42, 52) toward a side of the outer peripheral heat exchange portions (41, 51).SELECTED DRAWING: Figure 4

Description

本開示は、空気調和装置の室外機に関するものである。   The present disclosure relates to an outdoor unit of an air conditioner.

従来より、冷凍サイクルを行って対象空間の空気調和を行う空気調和装置が知られている。特許文献1には、この種の空気調和装置を構成する室外機が開示されている。特許文献1の室外機には、二つの熱交換器が設けられている。これら二つの熱交換器は、室外機の外周側から内側へ向かって延びる内側熱交換部(第4熱交換部)がそれぞれに形成され、それぞれの内側熱交換部が互いに向かい合うように配置される。また、各熱交換器の内側熱交換部は、それぞれの先端部がセンターピラーに取り付けられる。   2. Description of the Related Art Conventionally, an air conditioner that performs air conditioning of a target space by performing a refrigeration cycle is known. Patent Document 1 discloses an outdoor unit constituting this type of air conditioner. The outdoor unit of Patent Document 1 is provided with two heat exchangers. These two heat exchangers are each formed with an inner heat exchanging portion (fourth heat exchanging portion) extending inward from the outer peripheral side of the outdoor unit, and the inner heat exchanging portions face each other. . In addition, each inner end portion of each heat exchanger is attached to the center pillar.

センターピラーは、横断面がU字状の柱状の部材である。センターピラーは、互いに向かい合う内側熱交換部の間に入り込むように配置される。そして、センターピラーは、互いに向かい合う内側熱交換部の間を塞ぎ、熱交換器をバイパスする空気の流れを阻止する。   The center pillar is a columnar member having a U-shaped cross section. The center pillar is disposed so as to enter between the inner heat exchange portions facing each other. And a center pillar block | closes between the inner side heat exchange parts which face each other, and blocks | prevents the flow of the air which bypasses a heat exchanger.

特開2016−180544号公報Japanese Patent Laid-Open No. 2006-180544

ところで、室外機を組み立てる過程では、作業者が室外機のケーシングに熱交換器を設置するのが通常である。このため、ケーシングの底板に対する熱交換器の設置位置は、室外機毎に多少異なる。また、平坦な熱交換器に曲げ加工を施すことによって内側熱交換部を形成する場合は、スプリングバック現象が生じるため、熱交換器毎に形状が若干異なるのが通常である。このように、ケーシングに対する熱交換器の設置位置や、熱交換器自体の形状には、多少の誤差がある。このため、互いに向かい合う内側熱交換部の間隔は、設計値と多少異なるのが通常である。   By the way, in the process of assembling the outdoor unit, it is normal for an operator to install a heat exchanger in the casing of the outdoor unit. For this reason, the installation position of the heat exchanger with respect to the bottom plate of the casing is slightly different for each outdoor unit. Further, when the inner heat exchanging portion is formed by bending a flat heat exchanger, a springback phenomenon occurs, and therefore the shape is usually slightly different for each heat exchanger. Thus, there are some errors in the installation position of the heat exchanger with respect to the casing and the shape of the heat exchanger itself. For this reason, the interval between the inner heat exchange portions facing each other is usually slightly different from the design value.

一方、特許文献1のセンターピラーは、内側熱交換部の外面に沿う一対の側面部が、平坦な板状に形成されている。このため、互いに向かい合う内側熱交換部の間隔がセンターピラーの幅よりも狭い場合は、向かい合う内側熱交換部の間にセンタピラーを差し込む作業が困難となる。また、互いに向かい合う内側熱交換部の間隔がセンターピラーの幅よりも広い場合は、互いに向かい合う内側熱交換部の間を完全には塞げず、一部の空気が熱交換器をバイパスしてしまう。   On the other hand, as for the center pillar of patent document 1, a pair of side part along the outer surface of an inner side heat exchange part is formed in flat plate shape. For this reason, when the interval between the inner heat exchange portions facing each other is narrower than the width of the center pillar, it becomes difficult to insert the center pillar between the inner heat exchange portions facing each other. Moreover, when the space | interval of the inner side heat exchange part which mutually faces is wider than the width | variety of a center pillar, between the inner side heat exchange parts which face each other cannot be block | closed completely, and a part of air will bypass a heat exchanger.

本開示の目的は、それぞれの内側熱交換部が向かい合うように熱交換器が配置された室外機において、内側熱交換部の間隔が設計値と多少異なっていても、互いに向かい合う内側熱交換部の間を塞ぎ、熱交換器をバイパスする空気の流量を抑えることにある。   An object of the present disclosure is to provide an outdoor unit in which heat exchangers are arranged so that the respective inner heat exchange units face each other, even if the interval between the inner heat exchange units is slightly different from the design value, The purpose is to suppress the flow rate of air that closes the gap and bypasses the heat exchanger.

本開示の第1の態様は、ケーシング(5)と、それぞれが上記ケーシング(5)に収容されて冷媒を空気と熱交換させる第1及び第2の熱交換器(40,50)とを備えた空気調和装置の室外機を対象とする。そして、各上記熱交換器(40,50)には、上記ケーシング(5)の外周に沿う外周熱交換部(41,51)と、該外周熱交換部(41,51)から上記ケーシング(5)の内側へ延びて先端が上記熱交換器(40,50)の一方の側端となる内側熱交換部(42,52)とが形成され、上記第1及び第2の熱交換器(40,50)は、それぞれの上記内側熱交換部(42,52)が互いに間隔をおいて向かい合うように配置される一方、各上記内側熱交換部(42,52)の上端から下端に亘って設けられて、上記内側熱交換部(42,52)の間の空間を上記内側熱交換部(42,52)の先端側で塞ぐ先端仕切板(80)を備え、上記先端仕切板(80)は、一対の側壁部(83)を有する溝型に形成され、上記先端仕切板(80)の各側壁部(83)には、該側壁部(83)同士の間隔が上記内側熱交換部(42,52)の先端側から上記外周熱交換部(41,51)側へ向かって次第に狭くなるように傾斜した傾斜部(84)が形成されるものである。   A first aspect of the present disclosure includes a casing (5), and first and second heat exchangers (40, 50) that are accommodated in the casing (5) and exchange heat between the refrigerant and air. Targeted outdoor unit of air conditioner. Each of the heat exchangers (40, 50) includes an outer heat exchanger (41, 51) along the outer periphery of the casing (5), and the outer heat exchanger (41, 51) to the casing (5 ) And an inner heat exchanging portion (42, 52) whose tip is one side end of the heat exchanger (40, 50) is formed, and the first and second heat exchangers (40, 40) are formed. , 50) are arranged so that the respective inner heat exchanging portions (42, 52) face each other at an interval, while the inner heat exchanging portions (42, 52) are provided from the upper end to the lower end. And a front end partition plate (80) that closes a space between the inner heat exchange portions (42, 52) on a front end side of the inner heat exchange portion (42, 52), and the front end partition plate (80) The side wall portions (83) of the tip partition plate (80) are spaced apart from each other by the gap between the side wall portions (83). , 52) In which the peripheral heat exchange section (41, 51) toward the side inclined portion inclined to be gradually narrowed (84) is formed.

第1の態様では、各熱交換器(40,50)の内側熱交換部(42,52)の間に先端仕切板(80)が配置される。先端仕切板(80)は、二つの内側熱交換部(42,52)の間に形成された空間を、内側熱交換部(42,52)の先端側で塞ぐ。溝型に形成された先端仕切板(80)は、各側壁部(83)に傾斜部(84)が形成され、傾斜部(84)同士の間隔が内側熱交換部(42,52)の先端側から外周熱交換部(41,51)側へ向かって次第に狭くなる。このため、内側熱交換部(42,52)の先端部同士の間隔が設計値と多少異なっていても、先端仕切板(80)の傾斜部(84)が内側熱交換部(42,52)の先端部同士の間に容易に入り込み、内側熱交換部(42,52)の先端部同士の間が先端仕切板(80)によって塞がれる。従って、この態様によれば、内側熱交換部(42,52)の先端部同士の間隔が設計値と多少異なっていても、互いに向かい合う内側熱交換部(42,52)の間に形成された空間を、内側熱交換部(42,52)の先端側で塞ぐことができ、熱交換器(40,50)をバイパスする空気の流量を低減できる。   In the first aspect, the tip partition plate (80) is disposed between the inner heat exchange parts (42, 52) of the heat exchangers (40, 50). The tip partition plate (80) closes the space formed between the two inner heat exchange parts (42, 52) on the tip side of the inner heat exchange part (42, 52). The front partition plate (80) formed in the groove shape is formed with inclined portions (84) on each side wall portion (83), and the interval between the inclined portions (84) is the front end of the inner heat exchanging portion (42, 52). It gradually becomes narrower from the side toward the outer peripheral heat exchange part (41, 51) side. For this reason, even if the space | interval of the front-end | tip parts of an inner side heat exchange part (42,52) is a little different from a design value, the inclination part (84) of a front-end | tip partition plate (80) is the inner side heat exchange part (42,52) The front end portions of the inner heat exchange portions (42, 52) are blocked by the front end partition plate (80). Therefore, according to this aspect, even if the distance between the tip portions of the inner heat exchange parts (42, 52) is slightly different from the design value, the inner heat exchange parts (42, 52) are formed between the inner heat exchange parts (42, 52) facing each other. The space can be closed at the front end side of the inner heat exchange section (42, 52), and the flow rate of air bypassing the heat exchanger (40, 50) can be reduced.

本開示の第2の態様は、上記第1の態様において、上記先端仕切板(80)の上記傾斜部(84)の外側面には、上記内側熱交換部(42,52)の先端部に当たって変形するシール材(86)が設けられるものである。   According to a second aspect of the present disclosure, in the first aspect, the outer surface of the inclined portion (84) of the tip partition plate (80) hits the tip portion of the inner heat exchange portion (42, 52). A deformable sealing material (86) is provided.

第2の態様では、先端仕切板(80)にシール材(86)が設けられ、このシール材(86)が各熱交換器(40,50)の内側熱交換部(42,52)の先端部に当たって変形する。このため、先端仕切板(80)と各内側熱交換部(42,52)の隙間がシール材(86)によってシールされ、その結果、熱交換器(40,50)をバイパスする空気の流れを阻止できる。   In the second aspect, the front partition plate (80) is provided with the sealing material (86), and this sealing material (86) is the front end of the inner heat exchanging portion (42, 52) of each heat exchanger (40, 50). It hits the part and deforms. For this reason, the gap between the tip partition plate (80) and each inner heat exchange section (42, 52) is sealed by the sealing material (86), and as a result, the air flow bypassing the heat exchanger (40, 50) is reduced. I can stop.

本開示の第3の態様は、上記第1又は第2の態様において、上記ケーシング(5)の底板(13)には、上記先端仕切板(80)の位置決め用の位置決め孔(14)が形成され、上記先端仕切板(80)の下端部には、下方へ突出して上記底板(13)の上記位置決め孔(14)に差し込まれる位置決め突起(88)が形成されるものである。   According to a third aspect of the present disclosure, in the first or second aspect, a positioning hole (14) for positioning the tip partition plate (80) is formed in the bottom plate (13) of the casing (5). In addition, a positioning projection (88) that protrudes downward and is inserted into the positioning hole (14) of the bottom plate (13) is formed at the lower end of the tip partition plate (80).

第3の態様では、先端仕切板(80)に形成された位置決め突起(88)がケーシング(5)の底板(13)に形成された位置決め孔(14)に入り込むことによって、ケーシング(5)内の所定位置に先端仕切板(80)が配置される。   In the third aspect, the positioning protrusion (88) formed on the tip partition plate (80) enters the positioning hole (14) formed in the bottom plate (13) of the casing (5), thereby The front partition plate (80) is disposed at a predetermined position.

本開示の第4の態様は、第1〜第3のいずれか一つの態様において、上記内側熱交換部(42,52)の間の空間を上記内側熱交換部(42,52)の上端側で塞ぐ上端仕切板(60)を備えるものである。   According to a fourth aspect of the present disclosure, in any one of the first to third aspects, a space between the inner heat exchange units (42, 52) is an upper end side of the inner heat exchange unit (42, 52). And an upper end partition plate (60) closed by

第4の態様では、上端仕切板(60)が、内側熱交換部(42,52)の間に形成された空間を内側熱交換部(42,52)の上端側で塞ぐ。このため、内側熱交換部(42,52)の上端部同士の間を通って熱交換器(40,50)をバイパスする空気の流れが抑制される。   In the fourth aspect, the upper end partition plate (60) closes the space formed between the inner heat exchange parts (42, 52) on the upper end side of the inner heat exchange part (42, 52). For this reason, the flow of the air which bypasses a heat exchanger (40, 50) through between the upper end parts of an inner side heat exchange part (42, 52) is suppressed.

本開示の第5の態様は、上記第4の態様において、上記先端仕切板(80)は、その上端部が上記上端仕切板(60)に連結されるものである。   According to a fifth aspect of the present disclosure, in the fourth aspect, the tip partition plate (80) has an upper end connected to the upper end partition plate (60).

第5の態様では、先端仕切板(80)の上端部が上端仕切板(60)に連結される。つまり、この態様では、上端仕切板(60)が、先端仕切板(80)を固定するための部材を兼ねる。   In the fifth aspect, the upper end portion of the tip partition plate (80) is connected to the upper end partition plate (60). That is, in this aspect, the upper end partition plate (60) also serves as a member for fixing the front end partition plate (80).

図1は、実施形態の室外機の斜視図である。FIG. 1 is a perspective view of the outdoor unit according to the embodiment. 図2は、実施形態の室外機の一部を省略して示す平面図である。FIG. 2 is a plan view in which a part of the outdoor unit according to the embodiment is omitted. 図3は、実施形態の室外機に設けられた熱交換器とその周辺の部品とを抜き出して示す斜視図である。FIG. 3 is a perspective view showing the heat exchanger provided in the outdoor unit of the embodiment and its peripheral components. 図4は、実施形態の室外機における内側熱交換部とその周辺を示す平面図である。FIG. 4 is a plan view showing the inner heat exchange section and its periphery in the outdoor unit of the embodiment. 図5は、実施形態の室外機における内側熱交換部とその周辺を、先端仕切板を省略して示す正面図である。FIG. 5 is a front view showing the inner heat exchanging portion and the periphery thereof in the outdoor unit of the embodiment, omitting a front end partition plate. 図6は、斜め下方から見た上端仕切板を示す斜視図である。FIG. 6 is a perspective view showing the upper end partition plate as viewed from obliquely below. 図7は、上端仕切板の仕切板本体の平面図である。FIG. 7 is a plan view of the partition plate body of the upper end partition plate. 図8は、先端仕切板の上端付近の斜視図である。FIG. 8 is a perspective view of the vicinity of the upper end of the front partition plate. 図9は、先端仕切板の下端付近の斜視図である。FIG. 9 is a perspective view of the vicinity of the lower end of the tip partition plate. 図10は、先端仕切板の平面図である。FIG. 10 is a plan view of the tip partition plate. 図11は、実施形態の室外機における先端仕切板の下端部とその周辺を示す断面図である。FIG. 11 is a cross-sectional view illustrating a lower end portion of the front end partition plate and its periphery in the outdoor unit according to the embodiment.

実施形態について説明する。本実施形態は、空気調和装置の室外機(1)である。この室外機(1)は、配管を介して室内機と接続されて空気調和装置の冷媒回路を形成する。空気調和装置の冷媒回路は、冷媒を循環させて蒸気圧縮冷凍サイクルを行う。   Embodiments will be described. The present embodiment is an outdoor unit (1) of an air conditioner. The outdoor unit (1) is connected to the indoor unit via a pipe to form a refrigerant circuit of the air conditioner. The refrigerant circuit of the air conditioner performs a vapor compression refrigeration cycle by circulating the refrigerant.

本実施形態の室外機(1)が設けられる空気調和装置は、オフィス等の室内空間の冷房と暖房を行う。なお、空気調和装置が空気調和を行う対象空間は、オフィスや住宅などの居室内空間に限られず、物品を保管する倉庫内の空間や、物品を取り扱う作業用空間(例えば、クリーンルーム)などであってもよい。   The air conditioner provided with the outdoor unit (1) of this embodiment performs cooling and heating of an indoor space such as an office. The target space where the air conditioner performs air conditioning is not limited to the indoor space such as an office or a house, but is a space in a warehouse for storing articles, a working space for handling articles (for example, a clean room), and the like. May be.

−室外機の全体構成−
図1に示すように、本実施形態の室外機(1)は、概ね直方体状に形成される。また、図2に示すように、室外機(1)は、平面視で長方形状に形成される。本実施形態の室外機(1)は、側方から吸い込んだ空気を上方へ吹き出す上吹き型の室外機である。なお、本実施形態の説明において、「前」「後」「左」「右」「上」「下」のそれぞれは、特にことわらない限り、室外機(1)を正面(前面)側から見たときの方向(即ち、図1に示す方向)を意味する。
-Overall configuration of outdoor unit-
As shown in FIG. 1, the outdoor unit (1) of this embodiment is formed in a substantially rectangular parallelepiped shape. As shown in FIG. 2, the outdoor unit (1) is formed in a rectangular shape in plan view. The outdoor unit (1) of this embodiment is an up-blowing outdoor unit that blows out air sucked from the side upward. In the description of this embodiment, “front”, “rear”, “left”, “right”, “upper”, and “lower” refer to the outdoor unit (1) viewed from the front (front) side unless otherwise specified. Means the direction (ie, the direction shown in FIG. 1).

図1に示すように、室外機(1)は、ケーシング(5)を備える。ケーシング(5)は、下部ケーシング(10)と上部ケーシング(15)と、前面パネル(20)とを備える。上部ケーシング(15)は、下部ケーシング(10)の上に載っている。前面パネル(20)は、下部ケーシング(10)と上部ケーシング(15)の両方に亘って配置され、下部ケーシング(10)の前面と上部ケーシング(15)の前面とを覆う。   As shown in FIG. 1, the outdoor unit (1) includes a casing (5). The casing (5) includes a lower casing (10), an upper casing (15), and a front panel (20). The upper casing (15) rests on the lower casing (10). The front panel (20) is disposed across both the lower casing (10) and the upper casing (15), and covers the front surface of the lower casing (10) and the front surface of the upper casing (15).

下部ケーシング(10)は、複数の支柱部材(12)を備えたフレーム(11)と、フレーム(11)の底部に設けられた底板(13)とを備える。下部ケーシング(10)は、背面と左右の側面とが、室外機(1)の内部へ空気を導入するための吸込開口(25)となる。   The lower casing (10) includes a frame (11) including a plurality of support members (12), and a bottom plate (13) provided at the bottom of the frame (11). In the lower casing (10), the back surface and the left and right side surfaces serve as a suction opening (25) for introducing air into the outdoor unit (1).

図2に示すように、下部ケーシング(10)には、熱交換器(40,50)と、圧縮機(31)と、電装品箱(32)とが二つずつ収容される。熱交換器(40,50)と、圧縮機(31)と、電装品箱(32)とは、底板(13)の上に載っている。なお、図示は省略するが、下部ケーシング(10)には、アキュームレータや油分離器などのその他の機器も収容される。   As shown in FIG. 2, the lower casing (10) accommodates two heat exchangers (40, 50), two compressors (31), and two electrical component boxes (32). The heat exchanger (40, 50), the compressor (31), and the electrical component box (32) are placed on the bottom plate (13). In addition, although illustration is abbreviate | omitted, other apparatuses, such as an accumulator and an oil separator, are accommodated in a lower casing (10).

詳しくは後述するが、各熱交換器(40,50)は、冷媒を空気と熱交換させる熱交換器である。各熱交換器(40,50)は、平面視でU字状に形成される。図2に示すように、二つの熱交換器(40,50)は、それぞれの外面が吸込開口(25)に面する姿勢で、ケーシング(5)内に左右に並んで設置される。本実施形態の室外機(1)では、右側に第1熱交換器(40)が配置され、左側に第2熱交換器(50)が配置される。一方、圧縮機(31)と電装品箱(32)とは、ケーシング(5)内における前面パネル(20)寄りに配置される。また、圧縮機(31)と電装品箱(32)とは、ケーシング(5)内における右側と左側に一つずつ配置される。   As will be described in detail later, each heat exchanger (40, 50) is a heat exchanger that exchanges heat between the refrigerant and air. Each heat exchanger (40, 50) is formed in a U shape in plan view. As shown in FIG. 2, the two heat exchangers (40, 50) are installed side by side in the casing (5) with their respective outer surfaces facing the suction opening (25). In the outdoor unit (1) of the present embodiment, the first heat exchanger (40) is disposed on the right side, and the second heat exchanger (50) is disposed on the left side. On the other hand, the compressor (31) and the electrical component box (32) are disposed closer to the front panel (20) in the casing (5). One compressor (31) and one electrical component box (32) are arranged on the right side and the left side in the casing (5).

図1に示すように、上部ケーシング(15)は、背面と左右の側面とが側面パネル(16)で塞がれた箱状に形成される。上部ケーシング(15)の上面は、室外機(1)から空気を導出するための吹出開口(26)となる。   As shown in FIG. 1, the upper casing (15) is formed in a box shape in which the back surface and the left and right side surfaces are closed by the side panel (16). The upper surface of the upper casing (15) serves as a blowout opening (26) for leading air out of the outdoor unit (1).

上部ケーシング(15)には、プロペラファン(33)であるファン(33)と、ベルマウス(34)とが、二つずつ収容される。ファン(33)は、ケーシング(5)内における右側と左側に一つずつ配置される。上部ケーシング(15)は、前面側の下部に前側ステー(17)が配置され、背面側の下部に後側ステー(18)が配置される(図2を参照)。ファン(33)は、ファン(33)を駆動するファンモータ(図示省略)と共に、支持台を介して前側ステー(17)及び後側ステー(18)に固定される。   The upper casing (15) accommodates two fans (33), which are propeller fans (33), and a bell mouth (34). One fan (33) is arranged on each of the right side and the left side in the casing (5). In the upper casing (15), the front stay (17) is disposed at the lower portion on the front side, and the rear stay (18) is disposed at the lower portion on the rear side (see FIG. 2). The fan (33) is fixed to the front stay (17) and the rear stay (18) via a support base together with a fan motor (not shown) that drives the fan (33).

−熱交換器の構成と配置−
第1熱交換器(40)と第2熱交換器(50)のそれぞれは、伝熱管(36)とフィン(37)とを備えて冷媒を空気と熱交換させる熱交換器である。図2及び図3に示すように、各熱交換器(40,50)は、それぞれが二つの熱交換列部(43,45,53,55)を備える。各熱交換器(40,50)では、二つの熱交換列部(43,45,53,55)が、熱交換器(40,50)の厚さ方向に重なるように配置される。
-Heat exchanger configuration and layout-
Each of the first heat exchanger (40) and the second heat exchanger (50) is a heat exchanger provided with a heat transfer tube (36) and a fin (37) to exchange heat between the refrigerant and air. As shown in FIG.2 and FIG.3, each heat exchanger (40,50) is provided with two heat exchange row | line | column parts (43,45,53,55), respectively. In each heat exchanger (40, 50), two heat exchange rows (43, 45, 53, 55) are arranged so as to overlap in the thickness direction of the heat exchanger (40, 50).

上述したように、各熱交換器(40,50)は、平面視でU字状に形成される(図2を参照)。各熱交換器(40,50)は、平板状に形成された半製品を塑性変形させることによって、U字状に形成される。その過程では、直管状の伝熱管(36)が塑性変形してU字形状となる。   As described above, each heat exchanger (40, 50) is formed in a U shape in plan view (see FIG. 2). Each heat exchanger (40, 50) is formed in a U shape by plastically deforming a semi-finished product formed in a flat plate shape. In the process, the straight tubular heat transfer tube (36) is plastically deformed into a U shape.

各熱交換器(40,50)では、U字形状の外側に位置する熱交換列部が外側熱交換列部(43,53)となり、U字形状の内側に位置する熱交換列部が内側熱交換列部(45,55)となる。各熱交換器(40,50)では、U字形状の外側から内側へ向かって空気が通過する。つまり、各熱交換器(40,50)は、U字形状の外面が空気の流入面となり、U字形状の内面が空気の流出面となる。   In each heat exchanger (40, 50), the heat exchange row located outside the U-shape is the outer heat exchange row (43, 53), and the heat exchange row located inside the U-shape is the inside It becomes a heat exchange row | line | column part (45,55). In each heat exchanger (40, 50), air passes from the outside of the U shape toward the inside. That is, in each heat exchanger (40, 50), the U-shaped outer surface is an air inflow surface, and the U-shaped inner surface is an air outflow surface.

図3及び図4に示すように、各熱交換列部(43,45,53,55)は、多数の伝熱管(36)及びフィン(37)と、一つのヘッダ管(44,46,54,56)とを備える。伝熱管(36)、フィン(37)、及びヘッダ管(44,46,54,56)の材質は、いずれもアルミニウム合金である。   As shown in FIGS. 3 and 4, each heat exchange row (43, 45, 53, 55) includes a number of heat transfer tubes (36) and fins (37), and one header tube (44, 46, 54). , 56). The materials of the heat transfer tubes (36), fins (37), and header tubes (44, 46, 54, 56) are all aluminum alloys.

各熱交換列部(43,45,53,55)において、いわゆる扁平管である伝熱管(36)は、それぞれの軸方向が概ね水平方向となる姿勢で、上下に一定の間隔で配置される。各熱交換列部(43,45,53,55)において、フィン(37)は、上下方向に延びる姿勢で、伝熱管(36)の軸方向に一定の間隔で配置される。なお、本実施形態の各熱交換器(40,50)において、外側熱交換列部(43,53)と内側熱交換列部(45,55)は、それぞれに設けられた伝熱管(36)の本数が等しく、それぞれにおける伝熱管(36)の上下方向のピッチが等しい。   In each of the heat exchange rows (43, 45, 53, 55), the heat transfer tubes (36), which are so-called flat tubes, are arranged at regular intervals in the vertical direction with their respective axial directions being generally horizontal. . In each of the heat exchange rows (43, 45, 53, 55), the fins (37) are arranged at regular intervals in the axial direction of the heat transfer tube (36) in a posture extending in the vertical direction. In each heat exchanger (40, 50) of the present embodiment, the outer heat exchange train part (43, 53) and the inner heat exchange train part (45, 55) are provided in the heat transfer tubes (36) provided respectively. Are equal, and the vertical pitches of the heat transfer tubes (36) are the same.

ヘッダ管(44,46,54,56)は、両端が閉塞された細長い管状の部材である。ヘッダ管(44,46,54,56)の長さは、熱交換列部(43,45,53,55)の高さと同程度である。各熱交換列部(43,45,53,55)では、一方の側端に沿ってヘッダ管(44,46,54,56)が配置される。各ヘッダ管(44,46,54,56)には、対応する熱交換列部(43,45,53,55)に設けられた全ての伝熱管(36)が接続される。   The header pipe (44, 46, 54, 56) is an elongated tubular member closed at both ends. The length of the header pipe (44, 46, 54, 56) is approximately the same as the height of the heat exchange row part (43, 45, 53, 55). In each heat exchange row | line | column part (43,45,53,55), a header pipe | tube (44,46,54,56) is arrange | positioned along one side end. Each header pipe (44, 46, 54, 56) is connected to all the heat transfer pipes (36) provided in the corresponding heat exchange row (43, 45, 53, 55).

図3に示すように、各熱交換器(40,50)では、他方の側端(即ち、ヘッダ管が配置された側端とは逆側の側端)に沿って、連結ヘッダ(47,57)が設けられる。連結ヘッダ(47,57)は、扁平で細長い直方体状に形成された中空の部材である。各連結ヘッダ(47,57)には、対応する熱交換器(40,50)に設けられた全ての伝熱管(36)が接続される。各熱交換器(40,50)において、連結ヘッダ(47,57)は、外側熱交換列部(43,53)の伝熱管(36)と、内側熱交換列部(45,55)の伝熱管(36)とを連通させる。この連結ヘッダ(47,57)は、熱交換器(40,50)の厚さ方向において隣り合う外側熱交換列部(43,53)の伝熱管(36)と内側熱交換列部(45,55)の伝熱管(36)とを、一本ずつ個別に連通させる。   As shown in FIG. 3, in each heat exchanger (40, 50), along the other side end (that is, the side end opposite to the side end where the header pipe is disposed), the connection header (47, 57) is provided. The connection header (47, 57) is a hollow member formed in a flat and elongated rectangular parallelepiped shape. All the heat transfer tubes (36) provided in the corresponding heat exchangers (40, 50) are connected to each of the connection headers (47, 57). In each heat exchanger (40, 50), the connection header (47, 57) is connected to the heat transfer pipe (36) of the outer heat exchange row (43, 53) and the heat transfer of the inner heat exchange row (45, 55). Communicate with the heat pipe (36). The connection headers (47, 57) are connected to the heat transfer tubes (36) and the inner heat exchange rows (45, 45) of the outer heat exchange rows (43, 53) adjacent in the thickness direction of the heat exchanger (40, 50). Connect the heat transfer tubes (36) of 55) individually one by one.

図2に示すように、第1熱交換器(40)は、ヘッダ管(44,46)及び連結ヘッダ(47)が室外機(1)の前面側を向く姿勢で、ケーシング(5)内に設置される。また、第1熱交換器(40)は、ケーシング(5)内の右後方の隅角部寄りに配置される。第1熱交換器(40)は、連結ヘッダ(47)が設けられた側端がケーシング(5)の右側面側に位置し、ヘッダ管(44,46)が設けられた側端がケーシング(5)の左右方向の中央付近に位置する。   As shown in FIG. 2, the first heat exchanger (40) is arranged in the casing (5) with the header pipes (44, 46) and the connecting header (47) facing the front side of the outdoor unit (1). Installed. Moreover, a 1st heat exchanger (40) is arrange | positioned near the corner part of the right rear in a casing (5). In the first heat exchanger (40), the side end provided with the connection header (47) is located on the right side of the casing (5), and the side end provided with the header pipe (44, 46) is the casing ( 5) Located near the center in the left-right direction.

第1熱交換器(40)は、ケーシング(5)の右側面から背面に亘って配置された平面視でL字状の部分が、第1外周熱交換部(41)となる。第1外周熱交換部(41)の外面(流入面)は、ケーシング(5)の右側面および背面の吸込開口(25)に面する。また、第1熱交換器(40)は、第1外周熱交換部(41)の連結ヘッダ(47)とは逆側の端部からケーシング(5)の内側へ向かって延びる部分が、第1内側熱交換部(42)となる。つまり、第1熱交換器(40)は、第1外周熱交換部(41)から湾曲してケーシング(5)の前面側へ向かって延びる部分が、第1内側熱交換部(42)となる。そして、第1熱交換器(40)は、ヘッダ管(44,46)が設けられた側端が、第1内側熱交換部(42)の先端となる。   In the first heat exchanger (40), the L-shaped portion in plan view arranged from the right side surface to the back surface of the casing (5) becomes the first outer peripheral heat exchange portion (41). The outer surface (inflow surface) of the first outer peripheral heat exchange section (41) faces the right side surface and the rear suction opening (25) of the casing (5). Further, the first heat exchanger (40) has a portion extending from the end of the first outer peripheral heat exchange section (41) opposite to the connection header (47) toward the inside of the casing (5). It becomes an inner side heat exchange part (42). That is, in the first heat exchanger (40), a portion that curves from the first outer peripheral heat exchange portion (41) and extends toward the front side of the casing (5) becomes the first inner heat exchange portion (42). . And as for the 1st heat exchanger (40), the side end in which the header pipe | tube (44,46) was provided becomes a front-end | tip of a 1st inner side heat exchange part (42).

図2に示すように、第2熱交換器(50)は、ヘッダ管(54,56)及び連結ヘッダ(57)が室外機(1)の前面側を向く姿勢で、ケーシング(5)内に設置される。また、第2熱交換器(50)は、ケーシング(5)内の左後方の隅角部寄りに配置される。第2熱交換器(50)は、連結ヘッダ(57)が設けられた側端がケーシング(5)の左側面側に位置し、ヘッダ管(54,56)が設けられた側端がケーシング(5)の左右方向の中央付近に位置する。   As shown in FIG. 2, the second heat exchanger (50) is arranged in the casing (5) with the header pipe (54, 56) and the connecting header (57) facing the front side of the outdoor unit (1). Installed. The second heat exchanger (50) is disposed near the left rear corner in the casing (5). In the second heat exchanger (50), the side end provided with the connection header (57) is positioned on the left side surface side of the casing (5), and the side end provided with the header pipe (54, 56) is the casing ( 5) Located near the center in the left-right direction.

第2熱交換器(50)は、ケーシング(5)の左側面から背面に亘って配置された平面視でL字状の部分が、第2外周熱交換部(51)となる。第2外周熱交換部(51)の外面(流入面)は、ケーシング(5)の左側面および背面の吸込開口(25)に面する。また、第2熱交換器(50)は、第2外周熱交換部(51)の連結ヘッダ(57)とは逆側の端部からケーシング(5)の内側へ向かって延びる部分が、第2内側熱交換部(52)となる。つまり、第2熱交換器(50)は、第2外周熱交換部(51)から湾曲してケーシング(5)の前面側へ向かって延びる部分が、第2内側熱交換部(52)となる。そして、第2熱交換器(50)は、ヘッダ管(54,56)が設けられた側端が、第2内側熱交換部(52)の先端となる。   In the second heat exchanger (50), the L-shaped portion in plan view arranged from the left side surface to the back surface of the casing (5) serves as the second outer peripheral heat exchange portion (51). The outer surface (inflow surface) of the second outer peripheral heat exchange part (51) faces the left side surface of the casing (5) and the suction opening (25) on the back surface. Further, the second heat exchanger (50) has a second portion extending from the end of the second outer peripheral heat exchange section (51) opposite to the connection header (57) toward the inside of the casing (5). It becomes an inner side heat exchange part (52). That is, in the second heat exchanger (50), the portion that curves from the second outer peripheral heat exchange part (51) and extends toward the front side of the casing (5) becomes the second inner heat exchange part (52). . And as for the 2nd heat exchanger (50), the side end in which the header pipe | tube (54,56) was provided becomes a front-end | tip of a 2nd inner side heat exchange part (52).

ケーシング(5)内において、第1熱交換器(40)の第1内側熱交換部(42)と、第2熱交換器(50)の第2内側熱交換部(52)とは、それぞれの外面(流入面)が所定の間隔をおいて向かい合っている。ケーシング(5)の内部空間は、第1内側熱交換部(42)と第2内側熱交換部(52)に挟まれた部分が、導風通路(27)となる。従って、第1内側熱交換部(42)及び第2内側熱交換部(52)は、それぞれの外面(流入面)が導風通路(27)に臨んでいる。この導風通路(27)は、ケーシング(5)の背面の吸込開口(25)に連通し、吸込開口(25)からケーシング(5)内へ流入した空気を第1内側熱交換部(42)及び第2内側熱交換部(52)へ導く。   In the casing (5), the first inner heat exchange part (42) of the first heat exchanger (40) and the second inner heat exchange part (52) of the second heat exchanger (50) are respectively The outer surfaces (inflow surfaces) face each other at a predetermined interval. In the internal space of the casing (5), a portion sandwiched between the first inner heat exchanging portion (42) and the second inner heat exchanging portion (52) serves as an air guide passage (27). Therefore, as for the 1st inner side heat exchange part (42) and the 2nd inner side heat exchange part (52), each outer surface (inflow surface) has faced the baffle channel (27). The air guide passage (27) communicates with the suction opening (25) on the back surface of the casing (5), and the air flowing into the casing (5) from the suction opening (25) is introduced into the first inner heat exchange section (42). And it guide | induces to a 2nd inner side heat exchange part (52).

−上端仕切板−
図4及び図5に示すように、第1熱交換器(40)の第1内側熱交換部(42)と、第2熱交換器(50)の第2内側熱交換部(52)との上には、上端仕切板(60)が設けられる。上端仕切板(60)は、概ね長方形板状に形成された部材である。上端仕切板(60)は、第1内側熱交換部(42)の上端と、第2内側熱交換部(52)の上端とを覆うように設けられ、二つの内側熱交換部(42,52)の間に形成された導風通路(27)を各内側熱交換部(42,52)の上端側で塞ぐ。また、詳しくは後述するが、上端仕切板(60)は、第1保持部(70)と第2保持部(75)とを備え、第1内側熱交換部(42)と第2内側熱交換部(52)の間隔を保持する間隔保持部材を兼ねる。
-Upper partition plate-
As shown in FIGS. 4 and 5, the first inner heat exchange part (42) of the first heat exchanger (40) and the second inner heat exchange part (52) of the second heat exchanger (50). An upper end partition (60) is provided on the top. The upper end partition plate (60) is a member formed in a substantially rectangular plate shape. The upper end partition (60) is provided so as to cover the upper end of the first inner heat exchange part (42) and the upper end of the second inner heat exchange part (52), and the two inner heat exchange parts (42, 52). ) Is closed at the upper end side of each inner heat exchange section (42, 52). Moreover, although mentioned later in detail, an upper end partition plate (60) is provided with the 1st holding | maintenance part (70) and the 2nd holding | maintenance part (75), and the 1st inner side heat exchange part (42) and the 2nd inner side heat exchange. Also serves as an interval holding member for holding the interval of the portion (52).

図5及び図6に示すように、上端仕切板(60)は、仕切板本体(61)と、上側シール材(65)と、下側シール材(66)とを備える。また、図7に示すように、仕切板本体(61)は、一つの本体板部(62)と、二対の側板部(72,73,77,78)と、一つの連結板部(63)とを備える。仕切板本体(61)の材質は、鉄を主成分とする金属である。   As shown in FIGS. 5 and 6, the upper end partition plate (60) includes a partition plate body (61), an upper seal material (65), and a lower seal material (66). Moreover, as shown in FIG. 7, the partition plate body (61) includes one body plate portion (62), two pairs of side plate portions (72, 73, 77, 78), and one connection plate portion (63 ). The material of the partition plate body (61) is a metal mainly composed of iron.

本体板部(62)は、概ね長方形板状に形成された部材である。本体板部(62)は、前後方向の長さが内側熱交換部(42,52)の長さよりも若干短く、左右方向の幅が第1内側熱交換部(42)と第2内側熱交換部(52)の間隔よりも広い。本体板部(62)は、導風通路(27)を塞ぐ閉塞板部を構成する。   The main body plate portion (62) is a member formed in a generally rectangular plate shape. The length of the main body plate (62) in the front-rear direction is slightly shorter than the length of the inner heat exchange part (42, 52), and the width in the left-right direction is the second inner heat exchange with the first inner heat exchange part (42). It is wider than the interval between the parts (52). The main body plate portion (62) constitutes a closing plate portion that closes the air guide passage (27).

側板部(72,73,77,78)は、本体板部(62)から下方へ延びる板状の部分である。側板部(72,73,77,78)は、本体板部(62)の左右の側部の前寄りに一組ずつ形成される。本体板部(62)の右側部に形成された一対の側板部(72,73)は、第1内側熱交換部(42)を保持する第1保持部(70)を構成する。本体板部(62)の左側部に形成された一対の側板部(77,78)は、第2内側熱交換部(52)を保持する第2保持部(75)を構成する。   The side plate portions (72, 73, 77, 78) are plate-like portions extending downward from the main body plate portion (62). One set of side plate portions (72, 73, 77, 78) is formed in front of the left and right side portions of the main body plate portion (62). The pair of side plate portions (72, 73) formed on the right side portion of the main body plate portion (62) constitutes a first holding portion (70) that holds the first inner heat exchange portion (42). The pair of side plate portions (77, 78) formed on the left side portion of the main body plate portion (62) constitutes a second holding portion (75) that holds the second inner heat exchange portion (52).

図5に示すように、第1保持部(70)を構成する側板部(72,73)は、右側の側板部が第1内側熱交換部(42)の内面(流出面)と向かい合う内面側板部(72)であり、左側の側板部が第1内側熱交換部(42)の外面(流入面)と向かい合う外面側板部(73)である。   As shown in FIG. 5, the side plate portions (72, 73) constituting the first holding portion (70) have an inner side plate whose right side plate portion faces the inner surface (outflow surface) of the first inner heat exchange portion (42). The left side plate portion is an outer surface side plate portion (73) facing the outer surface (inflow surface) of the first inner heat exchange portion (42).

内面側板部(72)は、本体板部(62)の右縁部から下方へ、本体板部(62)と概ね直行する方向へ延びる。外面側板部(73)は、内面側板部(72)よりも本体板部(62)の左右方向の中央寄りに、内面側板部(72)と実質的に平行に配置される。外面側板部(73)は、本体板部(62)を下方へ切り起こすことによって形成され、本体板部(62)の左右方向の中央側に傾斜している。つまり、外面側板部(73)は、下方へ向かうにつれて内面側板部(72)から離れる方向に傾斜している。   The inner surface side plate portion (72) extends downward from the right edge portion of the main body plate portion (62) in a direction substantially perpendicular to the main body plate portion (62). The outer surface side plate portion (73) is disposed substantially parallel to the inner surface side plate portion (72) closer to the center in the left-right direction of the main body plate portion (62) than the inner surface side plate portion (72). The outer surface side plate portion (73) is formed by cutting and raising the main body plate portion (62) downward, and is inclined toward the center in the left-right direction of the main body plate portion (62). That is, the outer surface side plate portion (73) is inclined in a direction away from the inner surface side plate portion (72) as it goes downward.

第1保持部(70)において、外面側板部(73)の基端と内面側板部(72)の基端との間隔L1は、第1内側熱交換部(42)の厚さT1よりも長い。また、本体板部(62)のうち内面側板部(72)と外面側板部(73)の間に位置する部分は、第1内側熱交換部(42)の上面を覆っており、第1保持部(70)の上板部(71)を構成する。第1保持部(70)は、内面側板部(72)と外面側板部(73)の間に嵌まり込んだ第1内側熱交換部(42)の上端部を保持する。   In the first holding portion (70), the distance L1 between the base end of the outer surface side plate portion (73) and the base end of the inner surface side plate portion (72) is longer than the thickness T1 of the first inner heat exchange portion (42). . Moreover, the part located between the inner surface side plate portion (72) and the outer surface side plate portion (73) of the main body plate portion (62) covers the upper surface of the first inner heat exchange portion (42), and is the first holding member. The upper plate part (71) of the part (70) is constituted. A 1st holding | maintenance part (70) hold | maintains the upper end part of the 1st inner side heat exchange part (42) fitted between the inner surface side board part (72) and the outer surface side board part (73).

図5に示すように、第2保持部(75)を構成する側板部(77,78)は、左側の側板部が第2内側熱交換部(52)の内面(流出面)と向かい合う内面側板部(77)であり、右側の側板部が第2内側熱交換部(52)の外面(流入面)と向かい合う外面側板部(78)である。   As shown in FIG. 5, the side plate portions (77, 78) constituting the second holding portion (75) are the inner side plates whose left side plate portion faces the inner surface (outflow surface) of the second inner heat exchange portion (52). Part (77), and the right side plate portion is an outer surface side plate portion (78) facing the outer surface (inflow surface) of the second inner heat exchange portion (52).

内面側板部(77)は、本体板部(62)の左縁部から下方へ、本体板部(62)と概ね直行する方向へ延びる。外面側板部(78)は、内面側板部(77)よりも本体板部(62)の左右方向の中央寄りに、内面側板部(72)と実質的に平行に配置される。外面側板部(78)は、本体板部(62)を下方へ切り起こすことによって形成され、本体板部(62)の左右方向の中央側に傾斜している。つまり、外面側板部(78)は、下方へ向かうにつれて内面側板部(77)から離れる方向に傾斜している。   The inner surface side plate portion (77) extends downward from the left edge portion of the main body plate portion (62) in a direction substantially perpendicular to the main body plate portion (62). The outer surface side plate portion (78) is disposed substantially parallel to the inner surface side plate portion (72) closer to the center in the left-right direction of the main body plate portion (62) than the inner surface side plate portion (77). The outer surface side plate part (78) is formed by cutting and raising the main body plate part (62) downward, and is inclined to the center side in the left-right direction of the main body plate part (62). That is, the outer surface side plate portion (78) is inclined in a direction away from the inner surface side plate portion (77) as it goes downward.

第2保持部(75)において、外面側板部(78)の基端と内面側板部(77)の基端との間隔L2は、第2内側熱交換部(52)の厚さT2よりも長い。また、本体板部(62)のうち内面側板部(77)と外面側板部(78)の間に位置する部分は、第2内側熱交換部(52)の上面を覆っており、第2保持部(75)の上板部(76)を構成する。第2保持部(75)は、内面側板部(77)と外面側板部(78)の間に嵌まり込んだ第2内側熱交換部(52)の上端部を保持する。   In the second holding portion (75), the distance L2 between the base end of the outer surface side plate portion (78) and the base end of the inner surface side plate portion (77) is longer than the thickness T2 of the second inner heat exchange portion (52). . In addition, a portion of the main body plate portion (62) located between the inner surface side plate portion (77) and the outer surface side plate portion (78) covers the upper surface of the second inner heat exchange portion (52), and the second holding The upper plate part (76) of the part (75) is constituted. A 2nd holding | maintenance part (75) hold | maintains the upper end part of the 2nd inner side heat exchange part (52) engage | inserted between the inner surface side board part (77) and the outer surface side board part (78).

図5及び図6に示すように、連結板部(63)は、本体板部(62)の前縁から下方へ延びる板状の部分である。連結板部(63)は、本体板部(62)と概ね直交する。連結板部(63)の中央付近には、雌ねじ孔(64)が形成される。   As shown in FIG.5 and FIG.6, a connection board part (63) is a plate-shaped part extended below from the front edge of a main-body board part (62). The connecting plate part (63) is substantially orthogonal to the main body plate part (62). A female screw hole (64) is formed near the center of the connecting plate (63).

上側シール材(65)は、非導電性の発泡樹脂から成るシート状の部材である。上側シール材(65)は、仕切板本体(61)の上面に貼り付けられ、本体板部(62)の上面の全体を覆う。図2に示すように、上端仕切板(60)は、その後端に沿った部分が上部ケーシング(15)の後側ステー(18)に覆われる。上側シール材(65)は、後側ステー(18)の下面と接触する。   The upper sealing material (65) is a sheet-like member made of non-conductive foamed resin. The upper sealing material (65) is affixed to the upper surface of the partition plate body (61) and covers the entire upper surface of the main body plate portion (62). As shown in FIG. 2, the upper end partition plate (60) is covered with the rear stay (18) of the upper casing (15) at a portion along the rear end. The upper sealing material (65) is in contact with the lower surface of the rear stay (18).

下側シール材(66)は、非導電性の発泡樹脂から成るシート状の部材である。下側シール材(66)は、仕切板本体(61)の下面の右側部と左側部に一つずつ配置され、仕切板本体(61)の下面に貼り付けられる。下側シール材(66)は、各保持部(70,75)の下面と、本体板部(62)の下面のうち内側熱交換部(42,52)の上面と向かい合う部分とを覆う。図5に示すように、仕切板本体(61)の右側部に設けられた下側シール材(66)は、第1内側熱交換部(42)と接触し、仕切板本体(61)の左側部に設けられた下側シール材(66)は、第2内側熱交換部(52)と接触する。   The lower sealing material (66) is a sheet-like member made of non-conductive foamed resin. One lower seal material (66) is disposed on the right side and the left side of the lower surface of the partition plate body (61), and is attached to the lower surface of the partition plate body (61). The lower sealing material (66) covers the lower surface of each holding portion (70, 75) and the portion of the lower surface of the main body plate portion (62) that faces the upper surface of the inner heat exchanging portion (42, 52). As shown in FIG. 5, the lower sealing material (66) provided on the right side of the partition plate body (61) is in contact with the first inner heat exchange section (42), and the left side of the partition plate body (61). The lower sealing material (66) provided in the part comes into contact with the second inner heat exchange part (52).

−先端仕切板−
図3及び図4に示すように、第1内側熱交換部(42)の先端部と第2内側熱交換部(52)の先端部との間には、先端仕切板(80)が設けられる。先端仕切板(80)は、溝型の長尺の部材である。先端仕切板(80)の長さは、各内側熱交換部(42,52)の高さと概ね等しい。先端仕切板(80)は、二つの内側熱交換部(42,52)の間に形成された導風通路(27)を、各内側熱交換部(42,52)の先端側で塞ぐ。なお、先端仕切板(80)の材質は、鉄を主成分とする金属である。
-End divider-
As shown in FIGS. 3 and 4, a tip partition plate (80) is provided between the tip of the first inner heat exchange part (42) and the tip of the second inner heat exchange part (52). . The tip partition plate (80) is a long groove-shaped member. The length of the tip partition plate (80) is approximately equal to the height of each inner heat exchange section (42, 52). The tip partition plate (80) closes the air guide passage (27) formed between the two inner heat exchange parts (42, 52) at the tip side of each inner heat exchange part (42, 52). In addition, the material of the front-end | tip partition plate (80) is a metal which has iron as a main component.

図4及び図10に示すように、溝型に形成された先端仕切板(80)は、平板状の底壁部(81)と、底壁部(81)の左右の側部から前方へ延びる一対の側壁部(83)とを備える。図8に示すように、底壁部(81)の上端部には、貫通孔(82)が形成される。また、一対の側壁部(83)は、互いに向かい合う。   As shown in FIG.4 and FIG.10, the front-end | tip partition plate (80) formed in the groove | channel shape extends ahead from the flat bottom wall part (81) and the left and right side parts of the bottom wall part (81). A pair of side wall portions (83). As shown in FIG. 8, a through hole (82) is formed at the upper end of the bottom wall (81). Further, the pair of side wall portions (83) face each other.

図8及び図9に示すように、各側壁部(83)は、底壁部(81)の長辺に沿った領域(即ち、基端寄りの領域)が傾斜部(84)となり、残りの領域(即ち、先端寄りの領域)が平行部(85)となる。   As shown in FIGS. 8 and 9, in each side wall (83), the region along the long side of the bottom wall (81) (that is, the region closer to the base end) becomes the inclined portion (84), and the rest The region (that is, the region closer to the tip) becomes the parallel portion (85).

図10に示すように、各側壁部(83)の平行部(85)は、底壁部(81)となす角度が概ね直角となる平板状に形成される。各側壁部(83)は、それぞれの平行部(85)が互いに平行となる。つまり、各側壁部(83)の平行部(85)同士の間隔D1は、実質的に一定である。   As shown in FIG. 10, the parallel part (85) of each side wall part (83) is formed in a flat plate shape whose angle to the bottom wall part (81) is substantially a right angle. As for each side wall part (83), each parallel part (85) becomes mutually parallel. That is, the distance D1 between the parallel portions (85) of the side wall portions (83) is substantially constant.

傾斜部(84)は、平行部(85)から底壁部(81)へ向かって底壁部(81)の左右方向の中央寄りに傾斜した部分である。各側壁部(83)の傾斜部(84)同士の間隔D2は、平行部(85)から底壁部(81)へ向かって次第に狭くなる。つまり、各側壁部(83)の傾斜部(84)同士の間隔D2は、内側熱交換部(42,52)の先端から外周熱交換部(41,51)側へ向かって次第に狭くなる。   The inclined portion (84) is a portion inclined toward the center in the left-right direction of the bottom wall portion (81) from the parallel portion (85) toward the bottom wall portion (81). The distance D2 between the inclined portions (84) of the side wall portions (83) gradually decreases from the parallel portion (85) toward the bottom wall portion (81). That is, the distance D2 between the inclined portions (84) of the side wall portions (83) is gradually narrowed from the tip of the inner heat exchange portion (42, 52) toward the outer peripheral heat exchange portion (41, 51).

図9及び図11に示すように、先端仕切板(80)の下端部には、脚部(87)と位置決め突起(88)とが形成される。脚部(87)は、各側壁部(83)の平行部(85)の下端から内側(即ち、先端仕切板(80)の左右方向の中央側)へ突出する平板状の部分である。位置決め突起(88)は、各側壁部(83)の平行部(85)の下端から下方へ延びる部分である。位置決め突起(88)は、脚部(87)の下面寄りも下方へ突出する。   As shown in FIGS. 9 and 11, a leg portion (87) and a positioning projection (88) are formed at the lower end portion of the tip partition plate (80). The leg portion (87) is a flat plate-like portion that protrudes from the lower end of the parallel portion (85) of each side wall portion (83) to the inside (that is, the center in the left-right direction of the tip partition plate (80)). The positioning protrusion (88) is a part extending downward from the lower end of the parallel part (85) of each side wall part (83). The positioning protrusion (88) also protrudes downward near the lower surface of the leg (87).

図10に示すように、先端仕切板(80)の各傾斜部(84)の外側面には、シール材(86)が貼り付けられる。このシール材(86)は、非導電性の発泡樹脂から成る棒状の部材であって、傾斜部(84)の外側面を全体に亘って覆うように設けられる。   As shown in FIG. 10, a sealing material (86) is affixed to the outer surface of each inclined portion (84) of the tip partition plate (80). This sealing material (86) is a rod-shaped member made of non-conductive foamed resin, and is provided so as to cover the entire outer surface of the inclined portion (84).

図11に示すように、先端仕切板(80)の位置決め突起(88)は、下部ケーシング(10)の底板(13)に形成された位置決め孔(14)に差し込まれる。また、図4に示すように、先端仕切板(80)は、ボルト(89)によって上端仕切板(60)に連結される。このボルト(89)は、底壁部(81)の貫通孔(82)に挿し通され、上端仕切板(60)の連結板部(63)に形成された雌ねじ孔(64)に嵌り込む。   As shown in FIG. 11, the positioning protrusion (88) of the front end partition (80) is inserted into a positioning hole (14) formed in the bottom plate (13) of the lower casing (10). Moreover, as shown in FIG. 4, the front-end | tip partition plate (80) is connected with an upper end partition plate (60) with the volt | bolt (89). The bolt (89) is inserted through the through hole (82) of the bottom wall portion (81) and is fitted into the female screw hole (64) formed in the connecting plate portion (63) of the upper end partition plate (60).

図4に示すように、先端仕切板(80)を所定の位置に設置すると、底壁部(81)と側壁部(83)の傾斜部(84)とが第1内側熱交換部(42)の先端部と第2内側熱交換部(52)の先端部との間に入り込む。この状態において、シール材(86)は、内側熱交換部(42,52)の先端部に当たって変形する。具体的に、シール材(86)は、各熱交換器(40,50)の外側熱交換列部(43,53)の最もヘッダ管(44,54)寄りに位置するフィン(37)に当たって変形する。   As shown in FIG. 4, when the front end partition plate (80) is installed at a predetermined position, the bottom wall portion (81) and the inclined portion (84) of the side wall portion (83) are connected to the first inner heat exchange portion (42). Between the front end portion of the second inner heat exchanging portion (52). In this state, the sealing material (86) hits the tip of the inner heat exchange part (42, 52) and deforms. Specifically, the sealing material (86) is deformed by hitting the fin (37) located closest to the header pipe (44,54) of the outer heat exchange row (43,53) of each heat exchanger (40,50). To do.

−実施形態の効果−
本実施形態の室外機(1)は、ケーシング(5)と、それぞれがケーシング(5)に収容されて冷媒を空気と熱交換させる第1及び第2の熱交換器(40,50)とを備える。各熱交換器(40,50)には、ケーシング(5)の外周に沿う外周熱交換部(41,51)と、外周熱交換部(41,51)からケーシング(5)の内側へ延びて先端が熱交換器(40,50)の一方の側端となる内側熱交換部(42,52)とが形成される。第1及び第2の熱交換器(40,50)は、それぞれの内側熱交換部(42,52)が互いに間隔をおいて向かい合うように配置される。室外機(1)は、各内側熱交換部(42,52)の上端から下端に亘って設けられて、内側熱交換部(42,52)の間の導風通路(27)を内側熱交換部(42,52)の先端側で塞ぐ先端仕切板(80)を備える。先端仕切板(80)は、一対の側壁部(83)を有する溝型に形成される。先端仕切板(80)の各側壁部(83)には、側壁部(83)同士の間隔が内側熱交換部(42,52)の先端側から外周熱交換部(41,51)側へ向かって次第に狭くなるように傾斜した傾斜部(84)が形成される。
-Effect of the embodiment-
The outdoor unit (1) of the present embodiment includes a casing (5) and first and second heat exchangers (40, 50) that are accommodated in the casing (5) and exchange heat between the refrigerant and air. Prepare. Each heat exchanger (40, 50) has an outer heat exchange part (41, 51) along the outer periphery of the casing (5) and extends from the outer heat exchange part (41, 51) to the inside of the casing (5). An inner heat exchange part (42, 52) whose tip is one side end of the heat exchanger (40, 50) is formed. The first and second heat exchangers (40, 50) are arranged such that the respective inner heat exchange parts (42, 52) face each other with a space therebetween. The outdoor unit (1) is provided from the upper end to the lower end of each inner heat exchanging part (42, 52), and the air guide passage (27) between the inner heat exchanging parts (42, 52) is exchanged inside. A tip partition plate (80) that is closed on the tip side of the portion (42, 52). The tip partition plate (80) is formed in a groove shape having a pair of side wall portions (83). In each side wall part (83) of the front end partition plate (80), the distance between the side wall parts (83) is from the front end side of the inner heat exchange part (42,52) to the outer side heat exchange part (41,51) side. Thus, an inclined portion (84) inclined so as to be gradually narrowed is formed.

本実施形態の室外機(1)では、各熱交換器(40,50)の内側熱交換部(42,52)の間に先端仕切板(80)が配置される。先端仕切板(80)は、二つの内側熱交換部(42,52)の間に形成された導風通路(27)を、内側熱交換部(42,52)の先端側で塞ぐ。溝型に形成された先端仕切板(80)は、各側壁部(83)に傾斜部(84)が形成され、傾斜部(84)同士の間隔が内側熱交換部(42,52)の先端側から外周熱交換部(41,51)側へ向かって次第に狭くなる。このため、内側熱交換部(42,52)の先端部同士の間隔が設計値と多少異なっていても、先端仕切板(80)の傾斜部(84)が内側熱交換部(42,52)の先端部同士の間に容易に入り込み、内側熱交換部(42,52)の先端部同士の間が先端仕切板(80)によって塞がれる。   In the outdoor unit (1) of the present embodiment, the front end partition plate (80) is disposed between the inner heat exchange portions (42, 52) of the heat exchangers (40, 50). The tip partition plate (80) closes the air guide passage (27) formed between the two inner heat exchange parts (42, 52) on the tip side of the inner heat exchange part (42, 52). The front partition plate (80) formed in the groove shape is formed with inclined portions (84) on each side wall portion (83), and the interval between the inclined portions (84) is the front end of the inner heat exchanging portion (42, 52). It gradually becomes narrower from the side toward the outer peripheral heat exchange part (41, 51) side. For this reason, even if the space | interval of the front-end | tip parts of an inner side heat exchange part (42,52) is a little different from a design value, the inclination part (84) of a front-end | tip partition plate (80) is the inner side heat exchange part (42,52). The front end portions of the inner heat exchange portions (42, 52) are blocked by the front end partition plate (80).

従って、本実施形態によれば、内側熱交換部(42,52)の先端部同士の間隔が設計値と多少異なる場合であっても、互いに向かい合う内側熱交換部(42,52)の間に形成された導風通路(27)を、内側熱交換部(42,52)の先端側で塞ぐことができ、熱交換器(40,50)をバイパスする空気の流量を低減できる。   Therefore, according to the present embodiment, even when the distance between the tips of the inner heat exchanging portions (42, 52) is slightly different from the design value, the inner heat exchanging portions (42, 52) facing each other are arranged. The formed air guide passage (27) can be closed at the front end side of the inner heat exchange section (42, 52), and the flow rate of air bypassing the heat exchanger (40, 50) can be reduced.

また、本実施形態の室外機(1)では、先端仕切板(80)の傾斜部(84)の外側面に、内側熱交換部(42,52)の先端部に当たって変形するシール材(86)が設けられる。   Further, in the outdoor unit (1) of the present embodiment, the sealing material (86) that is deformed by hitting the outer surface of the inclined portion (84) of the tip partition plate (80) against the tip of the inner heat exchange portion (42, 52). Is provided.

本実施形態において、先端仕切板(80)を所定の位置に設置すると、シール材(86)が各熱交換器(40,50)の内側熱交換部(42,52)の先端部に当たって変形する。このため、先端仕切板(80)と各内側熱交換部(42,52)の隙間がシール材(86)によってシールされ、その結果、熱交換器(40,50)をバイパスする空気の流れを阻止できる。   In this embodiment, when the tip partition plate (80) is installed at a predetermined position, the sealing material (86) hits the tip of the inner heat exchanging portion (42, 52) of each heat exchanger (40, 50) and is deformed. . For this reason, the gap between the tip partition plate (80) and each inner heat exchange section (42, 52) is sealed by the sealing material (86), and as a result, the air flow bypassing the heat exchanger (40, 50) is reduced. I can stop.

また、本実施形態の室外機(1)では、ケーシング(5)の底板(13)に、先端仕切板(80)の位置決め用の位置決め孔(14)が形成され、先端仕切板(80)の下端部に、下方へ突出して底板(13)の上記位置決め孔(14)に差し込まれる位置決め突起(88)が形成される。   Further, in the outdoor unit (1) of the present embodiment, a positioning hole (14) for positioning the tip partition plate (80) is formed in the bottom plate (13) of the casing (5), and the tip partition plate (80) A positioning projection (88) that protrudes downward and is inserted into the positioning hole (14) of the bottom plate (13) is formed at the lower end.

本実施形態の室外機(1)では、先端仕切板(80)に形成された位置決め突起(88)がケーシング(5)の底板(13)に形成された位置決め孔(14)に入り込むことによって、ケーシング(5)内の所定位置に先端仕切板(80)が配置される。   In the outdoor unit (1) of the present embodiment, the positioning protrusion (88) formed on the tip partition plate (80) enters the positioning hole (14) formed in the bottom plate (13) of the casing (5), A tip partition plate (80) is disposed at a predetermined position in the casing (5).

また、本実施形態の室外機(1)は、内側熱交換部(42,52)の間の導風通路(27)を内側熱交換部(42,52)の上端側で塞ぐ上端仕切板(60)を備える。   In addition, the outdoor unit (1) of the present embodiment has an upper end partition plate (27) that closes the air guide passage (27) between the inner heat exchange units (42, 52) on the upper end side of the inner heat exchange unit (42, 52). 60).

本実施形態の室外機(1)では、上端仕切板(60)が、内側熱交換部(42,52)の間に形成された導風通路(27)を、内側熱交換部(42,52)の上端側で塞ぐ。このため、内側熱交換部(42,52)の上端部同士の間を通って熱交換器(40,50)をバイパスする空気の流れが抑制される。   In the outdoor unit (1) of the present embodiment, the upper end partition plate (60) connects the air guide passage (27) formed between the inner heat exchange parts (42, 52) to the inner heat exchange part (42, 52). ) Close the top side. For this reason, the flow of the air which bypasses a heat exchanger (40, 50) through between the upper end parts of an inner side heat exchange part (42, 52) is suppressed.

また、本実施形態の室外機(1)では、先端仕切板(80)は、その上端部が上端仕切板(60)に連結される。   Moreover, in the outdoor unit (1) of this embodiment, the upper end part of the tip partition plate (80) is connected to the upper end partition plate (60).

本実施形態の室外機(1)では、先端仕切板(80)の上端部が上端仕切板(60)に連結される。つまり、本実施形態では、上端仕切板(60)が、先端仕切板(80)を固定するための部材を兼ねる。   In the outdoor unit (1) of the present embodiment, the upper end portion of the tip partition plate (80) is connected to the upper end partition plate (60). That is, in this embodiment, the upper end partition plate (60) also serves as a member for fixing the front end partition plate (80).

−実施形態の変形例−
上記実施形態の室外機(1)に設けられた熱交換器(40,50)は、断面が円形の銅製の伝熱管と、アルミニウム製のフィンとを備えた一般的なクロスフィン型の空気熱交換器であってもよい。
-Modification of the embodiment-
The heat exchanger (40, 50) provided in the outdoor unit (1) of the above embodiment is a general cross fin type air heat provided with a copper heat transfer tube having a circular cross section and an aluminum fin. It may be an exchanger.

以上、実施形態および変形例を説明したが、特許請求の範囲の趣旨および範囲から逸脱することなく、形態や詳細の多様な変更が可能なことが理解されるであろう。また、以上の実施形態および変形例は、本開示の対象の機能を損なわない限り、適宜組み合わせたり、置換したりしてもよい。   While the embodiments and modifications have been described above, it will be understood that various changes in form and details are possible without departing from the spirit and scope of the claims. In addition, the above embodiments and modifications may be appropriately combined or replaced as long as the functions of the subject of the present disclosure are not impaired.

以上説明したように、本開示は、空気調和装置の室外機について有用である。   As described above, the present disclosure is useful for an outdoor unit of an air conditioner.

1 室外機
5 ケーシング
13 底板
14 位置決め孔
40 第1熱交換器
41 第1外周熱交換部
42 第1内側熱交換部
50 第2熱交換器
51 第2外周熱交換部
52 第2内側熱交換部
60 上端仕切板
80 先端仕切板
83 側壁部
84 傾斜部
86 シール材
88 位置決め突起
1 Outdoor unit
5 Casing
13 Bottom plate
14 Positioning hole
40 1st heat exchanger
41 First outer periphery heat exchanger
42 First inner heat exchange section
50 Second heat exchanger
51 Second perimeter heat exchange section
52 2nd inside heat exchange part
60 Upper end divider
80 End divider
83 Side wall
84 Slope
86 Sealing material
88 Positioning protrusion

Claims (5)

ケーシング(5)と、
それぞれが上記ケーシング(5)に収容されて冷媒を空気と熱交換させる第1及び第2の熱交換器(40,50)とを備えた空気調和装置の室外機であって、
各上記熱交換器(40,50)には、上記ケーシング(5)の外周に沿う外周熱交換部(41,51)と、該外周熱交換部(41,51)から上記ケーシング(5)の内側へ延びて先端が上記熱交換器(40,50)の一方の側端となる内側熱交換部(42,52)とが形成され、
上記第1及び第2の熱交換器(40,50)は、それぞれの上記内側熱交換部(42,52)が互いに間隔をおいて向かい合うように配置される一方、
各上記内側熱交換部(42,52)の上端から下端に亘って設けられて、上記内側熱交換部(42,52)の間の空間を上記内側熱交換部(42,52)の先端側で塞ぐ先端仕切板(80)を備え、
上記先端仕切板(80)は、一対の側壁部(83)を有する溝型に形成され、
上記先端仕切板(80)の各側壁部(83)には、該側壁部(83)同士の間隔が上記内側熱交換部(42,52)の先端側から上記外周熱交換部(41,51)側へ向かって次第に狭くなるように傾斜した傾斜部(84)が形成されている
ことを特徴とする空気調和装置の室外機。
The casing (5),
Each of the outdoor units of an air conditioner including first and second heat exchangers (40, 50) that are housed in the casing (5) and exchange heat between the refrigerant and air,
Each of the heat exchangers (40, 50) includes an outer heat exchange part (41, 51) along the outer periphery of the casing (5), and the outer heat exchange part (41, 51) to the casing (5). An inner heat exchanging portion (42,52) that extends inward and whose tip is one side end of the heat exchanger (40,50) is formed;
The first and second heat exchangers (40, 50) are arranged such that the inner heat exchange parts (42, 52) face each other with a gap therebetween,
Provided from the upper end to the lower end of each inner heat exchange part (42,52), the space between the inner heat exchange parts (42,52) is the tip side of the inner heat exchange part (42,52) It has a tip partition plate (80) that is closed with
The tip partition plate (80) is formed in a groove shape having a pair of side wall portions (83),
In each side wall (83) of the tip partition plate (80), the interval between the side walls (83) is such that the outer peripheral heat exchange part (41,51) from the tip side of the inner heat exchange part (42,52). The outdoor unit of the air conditioner is characterized in that an inclined portion (84) inclined so as to become gradually narrower toward the side is formed.
請求項1において、
上記先端仕切板(80)の上記傾斜部(84)の外側面には、上記内側熱交換部(42,52)の先端部に当たって変形するシール材(86)が設けられている
ことを特徴とする空気調和装置の室外機。
In claim 1,
The outer surface of the inclined portion (84) of the tip partition plate (80) is provided with a sealing material (86) that is deformed by hitting the tip of the inner heat exchange portion (42, 52). Air conditioner outdoor unit.
請求項1又は2において、
上記ケーシング(5)の底板(13)には、上記先端仕切板(80)の位置決め用の位置決め孔(14)が形成され、
上記先端仕切板(80)の下端部には、下方へ突出して上記底板(13)の上記位置決め孔(14)に差し込まれる位置決め突起(88)が形成されている
ことを特徴とする空気調和装置の室外機。
In claim 1 or 2,
The bottom plate (13) of the casing (5) is formed with a positioning hole (14) for positioning the tip partition plate (80),
An air conditioner characterized in that a positioning projection (88) that protrudes downward and is inserted into the positioning hole (14) of the bottom plate (13) is formed at the lower end of the tip partition plate (80). Outdoor unit.
請求項1乃至3のいずれか一つにおいて、
上記内側熱交換部(42,52)の間の空間を上記内側熱交換部(42,52)の上端側で塞ぐ上端仕切板(60)を備えている
ことを特徴とする空気調和装置の室外機。
In any one of Claims 1 thru | or 3,
An outdoor air conditioner comprising an upper end partition plate (60) that closes a space between the inner heat exchange portions (42, 52) on an upper end side of the inner heat exchange portion (42, 52). Machine.
請求項4において、
上記先端仕切板(80)は、その上端部が上記上端仕切板(60)に連結されている
ことを特徴とする空気調和装置の室外機。
In claim 4,
The outdoor unit of an air conditioner, wherein an upper end portion of the tip partition plate (80) is connected to the upper end partition plate (60).
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011112303A (en) * 2009-11-27 2011-06-09 Mitsubishi Electric Corp Outdoor unit of air conditioner
US20140262158A1 (en) * 2013-03-15 2014-09-18 Parker-Hannifin Corporation Two-phase cooling system
JP2015108473A (en) * 2013-12-04 2015-06-11 三星電子株式会社Samsung Electronics Co.,Ltd. Fixing structure, and outdoor equipment
WO2016151751A1 (en) * 2015-03-24 2016-09-29 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー (ホンコン) リミテッド Air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011112303A (en) * 2009-11-27 2011-06-09 Mitsubishi Electric Corp Outdoor unit of air conditioner
US20140262158A1 (en) * 2013-03-15 2014-09-18 Parker-Hannifin Corporation Two-phase cooling system
JP2015108473A (en) * 2013-12-04 2015-06-11 三星電子株式会社Samsung Electronics Co.,Ltd. Fixing structure, and outdoor equipment
WO2016151751A1 (en) * 2015-03-24 2016-09-29 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー (ホンコン) リミテッド Air conditioner

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