JP2003097820A - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JP2003097820A JP2003097820A JP2001291269A JP2001291269A JP2003097820A JP 2003097820 A JP2003097820 A JP 2003097820A JP 2001291269 A JP2001291269 A JP 2001291269A JP 2001291269 A JP2001291269 A JP 2001291269A JP 2003097820 A JP2003097820 A JP 2003097820A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- air conditioner
- centrifugal blower
- casing
- ceiling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、空気調和機、特
に、天井埋設型または天井吊下型の空気調和機に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to a ceiling-embedded or ceiling-suspended air conditioner.
【０００２】[0002]
【従来の技術】空気調和機は、主に、圧縮機や熱交換器
等を有する室外機と、遠心送風機や熱交換器を有する室
内機とから構成されている。室内機としては、壁掛け
型、天井埋設型、天井吊下型等のように様々な型の室内
機が提供されている。天井埋設型または天井吊下型の室
内機は、図１０に示すように、主に、下面に吸込口及び
複数の吹出口を有するケーシング１１と、ケーシング１
１内部に配置された遠心送風機１７と、遠心送風機１７
を囲むように配置された熱交換器２７とを備えている。
この熱交換器２７は一部が離間した配管接続部２６を有
している。配管接続部２６は、室外機（図示せず）から
導入された冷媒を室内機４の熱交換器２７に供給した
り、室内機４において熱交換に使用された冷媒を室外機
に導出するための配管、分流器、ヘッダー等の接続配管
を有する空間である。通常、配管接続部２６は、仕切板
５９によって、配管接続部２６と、配管接続部２６に対
向する遠心送風機１７の外周部とに挟まれた流路３０と
に完全に仕切られている。2. Description of the Related Art An air conditioner is mainly composed of an outdoor unit having a compressor and a heat exchanger, and an indoor unit having a centrifugal blower and a heat exchanger. As indoor units, various types of indoor units such as a wall-mounted type, a ceiling-embedded type, and a suspended type are provided. As shown in FIG. 10, the ceiling-embedded or ceiling-suspended indoor unit mainly includes a casing 11 having a suction port and a plurality of outlets on the lower surface, and a casing 1.
1. Centrifugal blower 17 disposed inside 1 and centrifugal blower 17
And a heat exchanger 27 arranged so as to surround the.
The heat exchanger 27 has a pipe connecting portion 26, a part of which is separated. The pipe connection portion 26 supplies the refrigerant introduced from the outdoor unit (not shown) to the heat exchanger 27 of the indoor unit 4 and guides the refrigerant used for heat exchange in the indoor unit 4 to the outdoor unit. It is a space having connecting pipes such as the pipe, the flow divider, and the header. Normally, the pipe connecting portion 26 is completely partitioned by the partition plate 59 into the flow passage 30 sandwiched between the pipe connecting portion 26 and the outer peripheral portion of the centrifugal blower 17 facing the pipe connecting portion 26.
【０００３】[0003]
【発明が解決しようとする課題】このような空気調和機
において、コストダウンを図るために、配管接続部を仕
切るための仕切板を削除することが望まれている。しか
し、仕切板を削除すると、空気調和機の騒音が増加する
傾向にある。本発明の課題は、天井埋設型または天井吊
下型の空気調和機において、配管接続部の仕切板を削除
しても、騒音が増加しないようにすることにある。In such an air conditioner, in order to reduce the cost, it is desired to remove the partition plate for partitioning the pipe connecting portion. However, removing the partition plate tends to increase the noise of the air conditioner. An object of the present invention is to prevent noise from increasing in a ceiling-embedded or ceiling-suspended air conditioner even if the partition plate of the pipe connection portion is deleted.
【０００４】[0004]
【課題を解決するための手段】請求項１に記載の空気調
和機は、天井埋設型または天井吊下型の空気調和機であ
って、ケーシングと、遠心送風機と、熱交換器と、流路
と、整流部材とを備えている。遠心送風機は、ケーシン
グの内部に配置されている。熱交換器は、遠心送風機を
囲むように配置され、一部に離間部を有している。流路
は、離間部と該離間部に対向する遠心送風機の外周部と
に挟まれた空間である。整流部材は、流路の少なくとも
一部を遠心送風機の外周側の第１流路と離間部側の第２
流路とに区分するための部材である。An air conditioner according to claim 1 is a ceiling-embedded or ceiling-suspended air conditioner, which includes a casing, a centrifugal blower, a heat exchanger, and a flow path. And a rectifying member. The centrifugal blower is arranged inside the casing. The heat exchanger is arranged so as to surround the centrifugal blower, and has a space in a part thereof. The flow path is a space sandwiched between the separated portion and the outer peripheral portion of the centrifugal blower that faces the separated portion. The rectifying member has at least a part of the flow passage that is a first flow passage on the outer peripheral side of the centrifugal blower and a second flow passage on the side of the separating portion.
It is a member for dividing into a flow path.
【０００５】離間部と流路とを仕切るために、従来設け
られていた仕切板を削除すると、離間部及びその近傍
に、遠心送風機の外周側の他の流路に比べて圧力の高い
高圧部が生じる。この高圧部は、遠心送風機から吹き出
される空気の回転対称性を損ない、遠心送風機の所定の
運転特性が得られなくしてしまうため、騒音発生の原因
になっている。If a partition plate conventionally provided for partitioning the separating portion and the flow passage is removed, a high pressure portion having a higher pressure than the other passages on the outer peripheral side of the centrifugal blower is provided in the separating portion and in the vicinity thereof. Occurs. This high-pressure portion impairs the rotational symmetry of the air blown out from the centrifugal blower and makes it impossible to obtain the predetermined operating characteristics of the centrifugal blower, which causes noise.
【０００６】これに対して、本願発明者は、離間部及び
その近傍に生じた高圧部の近傍に低圧部を形成させれ
ば、高圧部の空気を低圧部に向かって流すことができる
ようになり、遠心送風機の外周部における圧力分布を均
一化できるものと考えた。そこで、この空気調和機で
は、整流部材を設けて、流路の少なくとも一部を遠心送
風機の外周側の第１流路と離間部側の第２流路とに区分
するようにしている。すると、第２流路の高圧部の近傍
に低圧部が形成されて、高圧部の空気を低圧部に向かっ
て流すことができるようになる。これにより、従来の仕
切板を削除した場合であっても、遠心送風機の外周部に
おける圧力分布を均一化して騒音を抑えることができ
る。On the other hand, the inventor of the present application can make the air in the high-pressure portion flow toward the low-pressure portion by forming the low-pressure portion in the vicinity of the high-pressure portion generated in the separation portion and in the vicinity thereof. Therefore, it was thought that the pressure distribution in the outer peripheral portion of the centrifugal blower could be made uniform. Therefore, in this air conditioner, a rectifying member is provided so that at least a part of the flow passage is divided into a first flow passage on the outer peripheral side of the centrifugal blower and a second flow passage on the separating portion side. Then, a low pressure portion is formed in the vicinity of the high pressure portion of the second flow path, and air in the high pressure portion can flow toward the low pressure portion. As a result, even if the conventional partition plate is removed, it is possible to make the pressure distribution in the outer peripheral portion of the centrifugal blower uniform and suppress noise.
【０００７】請求項２に記載の空気調和機は、請求項１
において、整流部材は、整流板である。そして、整流板
の少なくとも一部は、流路の遠心送風機の回転方向下流
側に配置されている。この空気調和機では、整流部材と
して整流板を使用し、この整流板の少なくとも一部を流
路の遠心送風機の回転方向下流側に配置しているため、
高圧部の回転方向下流側にほぼ確実に低圧部を生じさせ
ることができ、騒音を抑えることができる。ここで、整
流板は、少なくとも一部が遠心送風機の回転方向下流側
に配置されていればよいので、例えば、整流板が流路の
回転方向上流側から下流側まで延びるものであってもよ
いし、流路の回転方向下流側から熱交換器が配置されて
いる位置まで延びるものであってもよい。An air conditioner according to a second aspect of the present invention is the air conditioner of the first aspect.
In, the rectifying member is a rectifying plate. Then, at least a part of the straightening vane is arranged on the downstream side of the flow path in the rotation direction of the centrifugal blower. In this air conditioner, a rectifying plate is used as the rectifying member, and at least a part of the rectifying plate is arranged on the downstream side of the flow path in the rotational direction of the centrifugal blower.
It is possible to almost certainly generate the low-pressure portion on the downstream side of the high-pressure portion in the rotation direction, and suppress noise. Here, at least a part of the straightening vane may be arranged on the downstream side in the rotational direction of the centrifugal blower, and thus the straightening vane may extend from the upstream side to the downstream side in the rotational direction of the flow path, for example. However, it may extend from the downstream side in the rotation direction of the flow path to the position where the heat exchanger is arranged.
【０００８】請求項３に記載の空気調和機は、請求項２
において、空気調和機は、熱交換器をケーシングに装着
するための熱交換器装着部材をさらに備えている。そし
て、整流板は、熱交換器装着部材に一体に形成されてい
る。この空気調和機では、整流板が熱交換器をケーシン
グに装着するための熱交換器装着部材に一体に形成され
ているため、部品点数を少なくできる。An air conditioner according to a third aspect of the present invention is the air conditioner of the second aspect.
In, the air conditioner further includes a heat exchanger mounting member for mounting the heat exchanger in the casing. And the current plate is formed integrally with the heat exchanger mounting member. In this air conditioner, since the current plate is integrally formed with the heat exchanger mounting member for mounting the heat exchanger in the casing, the number of parts can be reduced.
【０００９】請求項４に記載の空気調和機は、天井埋設
型または天井吊下型の空気調和機であって、ケーシング
と、遠心送風機と、熱交換器と、流路と、熱交換器の接
続配管とを備えている。遠心送風機は、ケーシングの内
部に配置されている。熱交換器は、遠心送風機を囲むよ
うに配置され、一部に離間部を有している。流路は、離
間部と該離間部に対向する遠心送風機の外周部とに挟ま
れた空間である。接続配管は、樹脂により束ねられた集
束部を有している。集束部は、離間部の流路近傍に配置
されているか、又は集束部の一部が流路に突出するよう
に配置されている。An air conditioner according to a fourth aspect is a ceiling-embedded or ceiling-suspended air conditioner, which comprises a casing, a centrifugal blower, a heat exchanger, a flow path, and a heat exchanger. It is equipped with connection piping. The centrifugal blower is arranged inside the casing. The heat exchanger is arranged so as to surround the centrifugal blower, and has a space in a part thereof. The flow path is a space sandwiched between the separated portion and the outer peripheral portion of the centrifugal blower that faces the separated portion. The connection pipe has a focusing portion that is bundled with resin. The converging part is arranged in the vicinity of the flow path of the separating part, or is arranged such that a part of the converging part projects into the flow path.
【００１０】この空気調和機では、熱交換器に接続する
冷媒配管等からなる接続配管を樹脂により束ねた集束部
が離間部の流路近傍に配置されているか、又は集束部の
一部が流路に突出するように配置されているため、離間
部及びその近傍に生じた高圧部の近傍に低圧部が形成さ
れて、高圧部の空気を低圧部に向かって流すことができ
るようになる。これにより、遠心送風機の外周部におけ
る圧力分布を均一化して騒音を抑えることができる。ま
た、集束部は、接続配管の一部を利用して形成されてい
るため、低圧部を形成するための別部材が不要である。In this air conditioner, a converging portion obtained by bundling a connection pipe, such as a refrigerant pipe connected to a heat exchanger, with a resin is arranged in the vicinity of the flow path of the separating portion, or a part of the converging portion flows. Since it is arranged so as to project into the path, a low pressure portion is formed in the vicinity of the separation portion and the high pressure portion generated in the vicinity thereof, and air in the high pressure portion can flow toward the low pressure portion. This makes it possible to uniformize the pressure distribution in the outer peripheral portion of the centrifugal blower and suppress noise. Moreover, since the converging part is formed by utilizing a part of the connecting pipe, a separate member for forming the low pressure part is not necessary.
【００１１】[0011]
【発明の実施の形態】［第１実施形態］以下、本発明の
第１実施形態を図面に基づいて説明する。
（１）空気調和機の構成
本発明の第１実施形態にかかる空気調和機の室内機１の
外観斜視図（天井は省略）を図１に示す。室内機１は天
井埋設型であり、天井に埋設されるケーシング１１と、
ケーシングの下面に配置された化粧パネル１２とを備え
ている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A first embodiment of the present invention will be described below with reference to the drawings. (1) Configuration of Air Conditioner FIG. 1 is an external perspective view (a ceiling is omitted) of the indoor unit 1 of the air conditioner according to the first embodiment of the present invention. The indoor unit 1 is a ceiling-embedded type, and a casing 11 embedded in the ceiling,
The decorative panel 12 is provided on the lower surface of the casing.
【００１２】ケーシング１１は、その内部に室内機１の
構成部品を格納するための部材ある。ケーシング１１
は、本実施形態においては、略矩形形状の外形を有して
いる。化粧パネル１２は、下面中央に設けられた吸入口
２０と、吸入口２０の外周側に設けられた４つの吹出口
２１とを備えている。次に、図２及び図３を用いてケー
シング１１の内部について説明する。ここで、図２は室
内機１の内部を示す下面図であり、図３は室内機１の側
面断面図である。ケーシング１１は、主に、遠心送風機
１７と、熱交換器２７と、熱交換器２７の下部に配置さ
れるドレンパン２５と、吸入口２０と遠心送風機１７と
の間に配置されたベルマウス１８とを備えている。The casing 11 is a member for accommodating the components of the indoor unit 1 inside. Casing 11
Has a substantially rectangular outer shape in the present embodiment. The decorative panel 12 includes an intake port 20 provided in the center of the lower surface and four blowout ports 21 provided on the outer peripheral side of the intake port 20. Next, the inside of the casing 11 will be described with reference to FIGS. 2 and 3. 2 is a bottom view showing the inside of the indoor unit 1, and FIG. 3 is a side sectional view of the indoor unit 1. The casing 11 mainly includes a centrifugal blower 17, a heat exchanger 27, a drain pan 25 arranged below the heat exchanger 27, a bell mouth 18 arranged between the suction port 20 and the centrifugal blower 17. Is equipped with.
【００１３】遠心送風機１７は、吸入口２０から室内の
空気を吸い込んで側方に空気を吹き出すための機器であ
り、吸入口２０の上側に配置され、ケーシング１１の天
面に装着されている。ここで、遠心送風機１７の回転方
向を回転方向Ｒとする。熱交換器２７は、遠心送風機１
７から吹き出された空気を熱交換するための機器であ
り、遠心送風機１７を囲むように配置されている。熱交
換器２７は、本実施形態においては、クロスフィン型の
熱交換器パネルをケーシング１１の３つの角部１１ａに
対応するように曲げ加工して形成されている。熱交換器
２７は、ケーシング１１の４つの角部１１ａの１つ対応
する位置に、長手方向の両端部の間隔をあけた状態の配
置されており、配管接続部２６（離間部）を形成してい
る。配管接続部２６は、熱交換器２７と室外機（図示せ
ず）との接続配管を配置するため空間である。The centrifugal blower 17 is a device for sucking the air in the room from the suction port 20 and blowing out the air to the side, and is arranged above the suction port 20 and mounted on the top surface of the casing 11. Here, the rotation direction of the centrifugal blower 17 is referred to as a rotation direction R. The heat exchanger 27 is the centrifugal blower 1
It is a device for exchanging heat with the air blown from the air blower 7, and is arranged so as to surround the centrifugal blower 17. In the present embodiment, the heat exchanger 27 is formed by bending a cross fin type heat exchanger panel so as to correspond to the three corners 11 a of the casing 11. The heat exchanger 27 is arranged at a position corresponding to one of the four corners 11a of the casing 11 with a space between both ends in the longitudinal direction, and forms the pipe connection portion 26 (separation portion). ing. The pipe connection portion 26 is a space for arranging a connection pipe between the heat exchanger 27 and the outdoor unit (not shown).
【００１４】熱交換器２７は、図４に示すように、熱交
換器２７の長手方向端部のうち配管接続部２６の回転方
向Ｒ側に隣接する部分を除いて、複数個の第１熱交換器
装着部材２８を介して、ケーシング１１の天面に吊り下
げられるように装着されている。第１熱交換器装着部材
２８は、上端がケーシング１１の天面に固定ネジ等で装
着され、下端が熱交換器２７の下端を受けるようにＵ字
形状に曲げ加工された板状部材である。また、第１熱交
換器装着部材２８の側面部２８ａには、熱交換器２７の
伝熱面を塞ぐことのないように開口部２８ｂが設けられ
ている。As shown in FIG. 4, the heat exchanger 27 includes a plurality of first heat exchangers except for a portion of a longitudinal end portion of the heat exchanger 27 which is adjacent to the rotation direction R side of the pipe connecting portion 26. It is mounted so as to be suspended from the top surface of the casing 11 via the exchanger mounting member 28. The first heat exchanger mounting member 28 is a plate-shaped member whose upper end is mounted on the top surface of the casing 11 with a fixing screw or the like and whose lower end is bent into a U shape so as to receive the lower end of the heat exchanger 27. . Further, the side surface portion 28a of the first heat exchanger mounting member 28 is provided with an opening portion 28b so as not to block the heat transfer surface of the heat exchanger 27.
【００１５】熱交換器２７の長手方向端部のうち配管接
続部２６の回転方向Ｒ側に隣接する部分は、図５及び図
６に示すように、第２熱交換器装着部材２９を介して、
ケーシング１１の天面に吊り下げられるように装着され
ている。この点は、第１熱交換器装着部材２８と同様で
ある。一方、第２熱交換器装着部材２９の側面には、整
流板部２９ａが形成されている。整流板部２９ａは、第
１熱交換器装着部材２８の側面部２８ａと異なり、熱交
換器２７の側面に対して遠心送風機１７側に間隔をあけ
て熱交換器２７の上端から下端に向かって延びている。
また、整流板部２９ａは反回転方向Ｒ側に向かって延び
ており、その一部は遠心送風機１７の外周部と配管接続
部２６とに挟まれた流路３０に配置されている。流路３
０の回転方向Ｒ側の一部は、整流板２９ａの流路３０に
配置された部分によって、遠心送風機１７側の第１流路
３０ａと、配管接続部２６側の第２流路３０ｂとに区分
されている。A portion of the longitudinal end portion of the heat exchanger 27, which is adjacent to the rotation direction R side of the pipe connecting portion 26, is provided with a second heat exchanger mounting member 29, as shown in FIGS. ,
It is mounted so as to be suspended from the top surface of the casing 11. This point is similar to the first heat exchanger mounting member 28. On the other hand, a current plate portion 29a is formed on the side surface of the second heat exchanger mounting member 29. Unlike the side surface portion 28a of the first heat exchanger mounting member 28, the rectifying plate portion 29a is spaced from the side surface of the heat exchanger 27 on the side of the centrifugal blower 17 and extends from the upper end to the lower end of the heat exchanger 27. It is extended.
Further, the straightening vane portion 29a extends toward the counter-rotational direction R side, and a part thereof is arranged in the flow passage 30 sandwiched between the outer peripheral portion of the centrifugal blower 17 and the pipe connecting portion 26. Channel 3
A part of the rotation direction R side of 0 is divided into a first flow passage 30a on the centrifugal blower 17 side and a second flow passage 30b on the pipe connection part 26 side by a portion arranged in the flow passage 30 of the rectifying plate 29a. It is divided.
【００１６】（２）空気調和機の動作
室内機１の動作について図３を用いて説明する。遠心送
風機１７を回転させると、図３の矢印Ｗに示されるよう
に、室内機１の内部に吸入口２０から室内の空気が吸い
込まれる。吸い込まれた空気は、図３の矢印Ｘに示され
るように、遠心送風機１７から外周側に吹き出される。
遠心送風機１７から外周側に吹き出された空気は、矢印
Ｙに示されるように、遠心送風機１７の外周側に配置さ
れた熱交換器２７によって熱交換され、ケーシング１１
の下面の外周部に設けられた吹出口２１から室内に吹き
出される。(2) Operation of Air Conditioner The operation of the indoor unit 1 will be described with reference to FIG. When the centrifugal blower 17 is rotated, the indoor air is sucked into the indoor unit 1 through the suction port 20 as shown by the arrow W in FIG. The sucked air is blown out from the centrifugal blower 17 to the outer peripheral side as shown by an arrow X in FIG.
The air blown to the outer peripheral side from the centrifugal blower 17 is heat-exchanged by the heat exchanger 27 arranged on the outer peripheral side of the centrifugal blower 17 as shown by an arrow Y, and the casing 11
The air is blown out into the room from the air outlet 21 provided on the outer peripheral portion of the lower surface.
【００１７】次に、室内機１の動作中の配管接続部２６
付近の空気の流れについて図５を用いて説明する。配管
接続部２６付近において、空気は遠心送風機１７から外
周側に吹き出され、回転方向Ｒに沿うように流れてい
る。流路３０に流れ込む空気は、配管接続部２６及びそ
の近傍に、遠心送風機１７の外周側の他の流路よりも圧
力の高い高圧部３１を生じさせる。流路３０及び配管接
続部２６の流路３０近傍を流れる空気は、流路３０の回
転方向Ｒ側に配置された整流板部２９ａによって、第１
流路３０ａ側の流れと、第２流路３０ｂ側の流れとに分
岐される。このとき、第２流路３０ｂには、高圧部３１
よりも圧力の低い低圧部３２が形成される。そして、第
１流路３０ａ側と第２流路３０ｂ側とに分岐された空気
の流れが、整流板部２９ａの回転方向Ｒ側において再び
合流する。Next, the pipe connecting portion 26 during operation of the indoor unit 1
The air flow in the vicinity will be described with reference to FIG. In the vicinity of the pipe connection portion 26, air is blown from the centrifugal blower 17 toward the outer peripheral side and flows along the rotation direction R. The air flowing into the flow passage 30 causes a high pressure portion 31 having a higher pressure than the other flow passages on the outer peripheral side of the centrifugal blower 17 in the pipe connection portion 26 and in the vicinity thereof. The air flowing in the vicinity of the flow passage 30 of the flow passage 30 and the pipe connecting portion 26 is first flowed by the straightening plate portion 29a arranged on the rotation direction R side of the flow passage 30.
The flow is branched into a flow on the side of the flow channel 30a and a flow on the side of the second flow channel 30b. At this time, the high pressure part 31 is provided in the second flow path 30b.
The low-pressure portion 32 having a lower pressure than that is formed. Then, the flows of the air branched into the first flow passage 30a side and the second flow passage 30b side join again on the rotation direction R side of the straightening vane portion 29a.
【００１８】（３）空気調和機の特徴
本実施形態の空気調和機には、以下のような特徴があ
る。
整流板部２９ａによる騒音の低減
本実施形態の室内機１は、従来例の室内機４において配
管接続部２６と流路３０とを完全に仕切るために設けら
れていた仕切板５９を削除している（図１０参照）。こ
のため、配管接続部２６及びその近傍には、遠心送風機
１７の外周側の他の流路に比べて圧力の高い高圧部３１
を生じている。この高圧部３１は、遠心送風機１７から
吹き出される空気の流れの回転対称性を損ない、遠心送
風機１７の所定の運転特性が得られなくしてしまうた
め、騒音発生の原因になる。(3) Features of the air conditioner The air conditioner of this embodiment has the following features. Reduction of noise by the straightening vane portion 29a In the indoor unit 1 of the present embodiment, the partition plate 59 provided to completely partition the pipe connection portion 26 and the flow passage 30 in the conventional indoor unit 4 is removed. (See FIG. 10). Therefore, the high pressure portion 31 having a higher pressure than the other flow passages on the outer peripheral side of the centrifugal blower 17 is provided in the pipe connection portion 26 and the vicinity thereof.
Is occurring. The high-pressure unit 31 impairs the rotational symmetry of the flow of air blown from the centrifugal blower 17 and makes it impossible to obtain the predetermined operating characteristics of the centrifugal blower 17, which causes noise.
【００１９】そこで、本実施形態の室内機１では、整流
板部２９ａを設けて、流路３０の少なくとも一部を遠心
送風機１７の外周側の第１流路３０ａと配管接続部２６
側の第２流路３０ｂとに区分するようにしている。する
と、第２流路３０ｂの高圧部３１との回転方向Ｒ側の近
傍に低圧部３２が形成されて、高圧部３１の空気を低圧
部３２に向かって流すことができるようになる。これに
より、遠心送風機１７の外周部における圧力分布を均一
化して騒音を抑えることができる。Therefore, in the indoor unit 1 of the present embodiment, the flow straightening plate portion 29a is provided, and at least a part of the flow passage 30 is connected to the first flow passage 30a on the outer peripheral side of the centrifugal blower 17 and the pipe connecting portion 26.
The second flow path 30b on the side is divided. Then, the low pressure portion 32 is formed in the vicinity of the second flow passage 30b on the rotation direction R side with the high pressure portion 31, and the air in the high pressure portion 31 can flow toward the low pressure portion 32. Thereby, the pressure distribution in the outer peripheral portion of the centrifugal blower 17 can be made uniform and noise can be suppressed.
【００２０】尚、本実施形態の室内機１では、従来例の
室内機４に比べても騒音を低く抑えることができる。
整流板部２９ａを第２熱交換器装着部材２９に一体にす
ることによる部品点数の低減本実施形態の室内機１で
は、整流板部２９ａは、第２熱交換器装着部材２９に一
体に形成されているため、部品点数を少なくできる。In addition, the indoor unit 1 of the present embodiment can suppress the noise as compared with the conventional indoor unit 4.
Reducing the number of parts by integrating the rectifying plate portion 29a with the second heat exchanger mounting member 29 In the indoor unit 1 of this embodiment, the rectifying plate portion 29a is formed integrally with the second heat exchanger mounting member 29. Therefore, the number of parts can be reduced.
【００２１】［第２実施形態］以下、本発明の第２実施
形態を図面に基づいて説明する。第２実施形態の室内機
２の構成は、図７に示すように、第１実施形態の室内機
１における第２熱交換器装着部材２９を第２熱交換器装
着部材３９に変更した点を除いて、第１実施形態の構成
と同様である。以下に、両実施形態の相違点を説明す
る。[Second Embodiment] A second embodiment of the present invention will be described below with reference to the drawings. The configuration of the indoor unit 2 of the second embodiment is that the second heat exchanger mounting member 29 in the indoor unit 1 of the first embodiment is changed to a second heat exchanger mounting member 39, as shown in FIG. 7. Except for this, the configuration is the same as that of the first embodiment. The differences between the two embodiments will be described below.
【００２２】第２熱交換器装着部材３９は、流路３０の
回転方向上流側から下流側まで延びる整流板部３９ａを
有している。この場合でも、第１実施形態の室内機１と
同様に騒音低減の効果が得られる。
［第３実施形態］以下、本発明の第３実施形態を図面に
基づいて説明する。The second heat exchanger mounting member 39 has a rectifying plate portion 39a extending from the upstream side to the downstream side in the rotational direction of the flow path 30. Even in this case, the noise reduction effect can be obtained as in the indoor unit 1 of the first embodiment. [Third Embodiment] A third embodiment of the present invention will be described below with reference to the drawings.
【００２３】第３実施形態の室内機３の構成は、図８及
び図９に示すように、第１実施形態の室内機１における
第２熱交換器装着部材２９に整流板部２９ａを設けず、
配管接続部２６に配置されている接続配管４１の一部を
樹脂で束ねた集束部４２を代用している点を除いて、第
１実施形態の構成と同様である。以下に、両実施形態の
相違点のみについて説明する。As shown in FIGS. 8 and 9, the construction of the indoor unit 3 of the third embodiment is such that the second heat exchanger mounting member 29 of the indoor unit 1 of the first embodiment is not provided with the rectifying plate portion 29a. ,
The configuration is the same as that of the first embodiment except that a converging portion 42 in which a part of the connection pipe 41 arranged in the pipe connecting portion 26 is bundled with a resin is used instead. Only the differences between the two embodiments will be described below.
【００２４】接続配管４１は、配管接続部２６に配置さ
れた熱交換器２７と室外機（図示せず）とを接続するた
めの配管群である。そして、集束部４２は、本実施形態
において、接続配管４１のうち熱交換器２７に冷媒を供
給するキャピラリや分流器等の配管を束ねて樹脂を巻き
付けることで形成されている。この集束部４２は、一部
が流路３０に突出するように配置されている。The connecting pipe 41 is a pipe group for connecting the heat exchanger 27 arranged in the pipe connecting portion 26 and an outdoor unit (not shown). Then, in the present embodiment, the converging unit 42 is formed by bundling the pipes such as the capillaries and the flow dividers that supply the refrigerant to the heat exchanger 27 in the connection pipe 41 and wind the resin. The focusing unit 42 is arranged so that a part thereof projects into the flow path 30.
【００２５】上記の構成により、集束部４２の配管接続
部２６側の面には、低圧部５２が形成される。すなわ
ち、集束部４２は、第１実施形態の整流板部２９ａと同
様な作用をしている。これにより、集束部４２の反回転
方向Ｒ側に形成された高圧部５１の空気を低圧部５２に
向かって流すことができるようになり、第１実施形態と
同様に騒音を抑えることができる。また、集束部４２
は、接続配管４１の一部を利用して形成されているた
め、低圧部５２を形成するための別部材が不要である。With the above structure, the low pressure portion 52 is formed on the surface of the focusing portion 42 on the side of the pipe connecting portion 26. That is, the converging unit 42 has the same function as that of the current plate unit 29a of the first embodiment. As a result, the air in the high-pressure portion 51 formed on the side of the focusing portion 42 opposite to the rotation direction R can be made to flow toward the low-pressure portion 52, and noise can be suppressed as in the first embodiment. Also, the focusing unit 42
Is formed by utilizing a part of the connection pipe 41, so that a separate member for forming the low pressure portion 52 is not required.
【００２６】尚、本実施形態において、集束部４２の一
部は流路３０に突出するように配置されているが、必ず
しも流路３０に突出するように配置されている必要はな
く、配管接続部２６の流路３０近傍に配置されていても
よい。
［他の実施形態］以上、本発明の実施形態について図面
に基づいて説明したが、具体的な構成は、この実施形態
に限られるものではなく、発明の要旨を逸脱しない範囲
で変更可能である。In the present embodiment, a part of the converging part 42 is arranged so as to project into the flow path 30, but it need not necessarily be arranged so as to project into the flow path 30. It may be arranged in the vicinity of the flow path 30 of the portion 26. [Other Embodiments] The embodiment of the present invention has been described above with reference to the drawings. However, the specific configuration is not limited to this embodiment, and can be changed without departing from the gist of the invention. .
【００２７】例えば、前記実施形態では、天井埋設型の
空気調和機に本発明を適用しているが、天井吊下型の空
気調和機に対しても本発明を適用することができる。ま
た、第１及び第２実施形態において、整流板部は第２熱
交換器装着部材に一体に形成されているが、別部材で構
成してもよい。この場合でも、第１及び第２実施形態と
同様に、騒音を抑えることができる。For example, in the above embodiment, the present invention is applied to a ceiling-embedded air conditioner, but the present invention can also be applied to a ceiling-suspended air conditioner. Further, in the first and second embodiments, the current plate portion is formed integrally with the second heat exchanger mounting member, but it may be configured as a separate member. Even in this case, noise can be suppressed as in the first and second embodiments.
【００２８】[0028]
【発明の効果】以上の説明に述べたように、本発明によ
れば、以下の効果が得られる。請求項１にかかる発明で
は、整流部材を設けて、流路の少なくとも一部を遠心送
風機の外周側の第１流路と離間部側の第２流路とに区分
するようにしているので、従来の仕切板を削除した場合
であっても、遠心送風機の外周部における圧力分布を均
一化して、騒音を抑えることができる。As described above, according to the present invention, the following effects can be obtained. In the invention according to claim 1, since the rectifying member is provided so that at least a part of the flow passage is divided into the first flow passage on the outer peripheral side of the centrifugal blower and the second flow passage on the separating portion side, Even if the conventional partition plate is removed, the pressure distribution in the outer peripheral portion of the centrifugal blower can be made uniform and noise can be suppressed.
【００２９】請求項２にかかる発明では、整流部材とし
て整流板を使用し、この整流板の少なくとも一部が流路
の遠心送風機の回転方向下流側に配置しているため、高
圧部の回転方向下流側の隣接位置に低圧部を形成させる
ことができ、騒音を抑えることができる。請求項３にか
かる発明では、整流板が熱交換器をケーシングに装着す
るための熱交換器装着部材に一体に形成されているた
め、部品点数を少なくできる。According to the second aspect of the present invention, since the flow straightening plate is used as the flow straightening member, and at least a part of the flow straightening plate is arranged on the downstream side of the flow path in the rotation direction of the centrifugal blower, the rotation direction of the high-pressure section. A low-pressure portion can be formed at an adjacent position on the downstream side, and noise can be suppressed. In the invention according to claim 3, since the current plate is formed integrally with the heat exchanger mounting member for mounting the heat exchanger in the casing, the number of parts can be reduced.
【００３０】請求項４にかかる発明では、接続配管の一
部を樹脂により束ねた集束部が離間部の流路近傍に配置
されているか、又は集束部の一部が流路に突出するよう
に配置されているため、遠心送風機の外周部における圧
力分布を均一化して騒音を抑えることができる。また、
集束部は接続配管の一部を利用して形成されているた
め、低圧部を形成するための別部材が不要である。In the invention according to claim 4, the converging part obtained by bundling a part of the connecting pipe with resin is arranged in the vicinity of the flow path of the separating part, or a part of the converging part projects into the flow path. Since they are arranged, the pressure distribution in the outer peripheral portion of the centrifugal blower can be made uniform and noise can be suppressed. Also,
Since the focusing part is formed by using a part of the connecting pipe, a separate member for forming the low pressure part is not necessary.
【図１】本発明の実施形態にかかる空気調和機の室内機
の外観斜視図。FIG. 1 is an external perspective view of an indoor unit of an air conditioner according to an embodiment of the present invention.
【図２】第１実施形態の空気調和機の室内機の内部を示
す下面図。FIG. 2 is a bottom view showing the inside of the indoor unit of the air conditioner of the first embodiment.
【図３】第１実施形態の空気調和機の室内機の内部を示
す側面断面図。FIG. 3 is a side cross-sectional view showing the inside of the indoor unit of the air conditioner of the first embodiment.
【図４】図３の熱交換器付近の拡大側面断面図。FIG. 4 is an enlarged side sectional view of the vicinity of the heat exchanger of FIG.
【図５】図２の配管接続部付近の拡大下面図。5 is an enlarged bottom view of the vicinity of the pipe connection portion of FIG.
【図６】図５のＡ−Ａ断面図。6 is a cross-sectional view taken along the line AA of FIG.
【図７】第２実施形態の空気調和機の室内機の内部を示
す下面図。FIG. 7 is a bottom view showing the inside of the indoor unit of the air conditioner of the second embodiment.
【図８】第３実施形態の空気調和機の室内機の内部を示
す下面図。FIG. 8 is a bottom view showing the inside of the indoor unit of the air conditioner of the third embodiment.
【図９】図８の配管接続部付近の拡大下面図。9 is an enlarged bottom view of the vicinity of the pipe connection portion of FIG.
【図１０】従来例の空気調和機の室内機の内部を示す下
面図。FIG. 10 is a bottom view showing the inside of the indoor unit of the conventional air conditioner.
１、２、３、４ 室内機（空気調和機） １１ ケーシング １７ 遠心送風機 ２６ 配管接続部（離間部） ２７ 熱交換器 ２９、３９ 第２熱交換器装着部材 ２９ａ、３９ａ 整流板部（整流部材、整流板） ３０ 流路 ３０ａ 第１流路 ３０ｂ 第２流路 ４１ 接続配管 ４２ 集束部 ５９ 仕切板 1, 2, 3, 4 Indoor unit (air conditioner) 11 casing 17 Centrifugal blower 26 Pipe connection part (separation part) 27 heat exchanger 29, 39 Second heat exchanger mounting member 29a, 39a Rectifying plate part (rectifying member, rectifying plate) 30 channels 30a first flow path 30b Second flow path 41 Connection piping 42 Focusing unit 59 Partition board
フロントページの続き (72)発明者 山崎 登博 大阪府堺市金岡町1304番地 ダイキン工業 株式会社堺製作所金岡工場内 Ｆターム(参考） 3L049 BB07 BB10 BC03 BD01 3L051 BG03 BH01 BJ03 BJ10 Continued front page (72) Inventor Noboru Yamazaki 1304 Kanaoka-cho, Sakai City, Osaka Prefecture Daikin Industries Sakai Plant Kanaoka Factory F-term (reference) 3L049 BB07 BB10 BC03 BD01 3L051 BG03 BH01 BJ03 BJ10
Claims (4)
（１、２）であって、 ケーシング（１１）と、 前記ケーシング（１１）の内部に配置された遠心送風機
（１７）と、 前記遠心送風機（１７）を囲むように配置され、一部に
離間部（２６）を有する熱交換器（２７）と、 前記離間部（２６）と該離間部（２６）に対向する前記
遠心送風機（１７）の外周部とに挟まれた流路（３０）
と、 前記流路（３０）の少なくとも一部を前記遠心送風機
（１７）の外周側の第１流路（３０ａ）と前記離間部
（２６）側の第２流路（３０ｂ）とに区分するための整
流部材（２９ａ、３９ａ）と、を備えた空気調和機
（１、２）。1. A ceiling-embedded or ceiling-suspended air conditioner (1, 2), comprising: a casing (11); and a centrifugal blower (17) disposed inside the casing (11). A heat exchanger (27) arranged so as to surround the centrifugal blower (17) and partially having a separating portion (26), and the separating portion (26) and the centrifugal blower facing the separating portion (26). Channel (30) sandwiched between the outer periphery of (17)
And at least a part of the flow passage (30) is divided into a first flow passage (30a) on the outer peripheral side of the centrifugal blower (17) and a second flow passage (30b) on the separation part (26) side. An air conditioner (1, 2) including a rectifying member (29a, 39a) for.
板（２９ａ、３９ａ）であり、 前記整流板（２９ａ、３９ａ）の少なくとも一部は、前
記流路（３０）の前記遠心送風機（１７）の回転方向下
流側に配置されている、請求項１に記載の空気調和機
（１、２）。2. The rectifying member (29a, 39a) is a rectifying plate (29a, 39a), and at least a part of the rectifying plate (29a, 39a) is the centrifugal blower () of the flow path (30). The air conditioner (1, 2) according to claim 1, which is arranged on the downstream side in the rotational direction of 17).
器（２７）を前記ケーシング（１１）に装着するための
熱交換器装着部材（２９）をさらに備えており、 前記整流板（２９ａ）は、前記熱交換器装着部材（２
９）に一体に形成されている、請求項２に記載の空気調
和機（１、２）。3. The air conditioner (1, 2) further comprises a heat exchanger mounting member (29) for mounting the heat exchanger (27) in the casing (11), The plate (29a) is provided with the heat exchanger mounting member (2
The air conditioner (1, 2) according to claim 2, wherein the air conditioner (1, 2) is integrally formed with the air conditioner.
（３）であって、 ケーシング（１１）と、 前記ケーシング（１１）の内部に配置された遠心送風機
（１７）と、 前記遠心送風機（１７）を囲むように配置され、一部に
離間部（２６）を有する熱交換器（２７）と、 前記離間部（２６）と該離間部（２６）に対向する前記
遠心送風機（１７）の外周部とに挟まれた流路（３０）
と、 樹脂により束ねられた集束部（４２）を有する前記熱交
換器（２７）の接続配管（４１）とを備え、 前記集束部（４２）は、前記離間部（２６）の前記流路
（３０）近傍に配置されているか、又は前記集束部（４
２）の一部が前記流路（３０）に突出するように配置さ
れている、空気調和機。4. A ceiling-embedded or ceiling-suspended air conditioner (3), comprising: a casing (11); a centrifugal blower (17) disposed inside the casing (11); A heat exchanger (27) arranged so as to surround the blower (17) and partially having a separating portion (26), and the separating portion (26) and the centrifugal blower (17 facing the separating portion (26). (30) between the outer periphery of
And a connection pipe (41) of the heat exchanger (27) having a converging part (42) bundled with resin, the converging part (42) including the flow path () of the separating part (26). 30) is located in the vicinity of the focusing unit (4)
An air conditioner arranged such that a part of 2) projects into the flow path (30).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001291269A JP3581926B2 (en) | 2001-09-25 | 2001-09-25 | Air conditioner |
| CNB021066205A CN1177171C (en) | 2001-09-25 | 2002-02-28 | Air conditioner |
| CN02206358U CN2532404Y (en) | 2001-09-25 | 2002-02-28 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001291269A JP3581926B2 (en) | 2001-09-25 | 2001-09-25 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003097820A true JP2003097820A (en) | 2003-04-03 |
| JP3581926B2 JP3581926B2 (en) | 2004-10-27 |
Family
ID=19113443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001291269A Expired - Lifetime JP3581926B2 (en) | 2001-09-25 | 2001-09-25 | Air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3581926B2 (en) |
| CN (2) | CN2532404Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012220163A (en) * | 2011-04-13 | 2012-11-12 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| JP2014228223A (en) * | 2013-05-24 | 2014-12-08 | 日立アプライアンス株式会社 | Air conditioner |
| JP2017053588A (en) * | 2015-09-11 | 2017-03-16 | 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 and its indoor unit |
| KR20230163412A (en) | 2021-03-30 | 2023-11-30 | 고쿠리츠다이가쿠호우징 카가와다이가쿠 | A composition for suppressing the production of cytokines containing D-allose as an active ingredient, and a method for treating or preventing diseases related to excessive production of cytokines using the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455938C (en) * | 2003-12-23 | 2009-01-28 | 乐金电子(天津)电器有限公司 | Air deflector for commercial air-conditioners |
| KR101900484B1 (en) * | 2015-01-23 | 2018-09-20 | 삼성전자주식회사 | Air conditioner |
| JP6673318B2 (en) * | 2017-12-05 | 2020-03-25 | ダイキン工業株式会社 | air conditioner |
-
2001
- 2001-09-25 JP JP2001291269A patent/JP3581926B2/en not_active Expired - Lifetime
-
2002
- 2002-02-28 CN CN02206358U patent/CN2532404Y/en not_active Expired - Fee Related
- 2002-02-28 CN CNB021066205A patent/CN1177171C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012220163A (en) * | 2011-04-13 | 2012-11-12 | Mitsubishi Heavy Ind Ltd | Air conditioner |
| JP2014228223A (en) * | 2013-05-24 | 2014-12-08 | 日立アプライアンス株式会社 | Air conditioner |
| JP2017053588A (en) * | 2015-09-11 | 2017-03-16 | 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 and its indoor unit |
| KR20230163412A (en) | 2021-03-30 | 2023-11-30 | 고쿠리츠다이가쿠호우징 카가와다이가쿠 | A composition for suppressing the production of cytokines containing D-allose as an active ingredient, and a method for treating or preventing diseases related to excessive production of cytokines using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1410716A (en) | 2003-04-16 |
| CN2532404Y (en) | 2003-01-22 |
| JP3581926B2 (en) | 2004-10-27 |
| CN1177171C (en) | 2004-11-24 |
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