JPH08247499A - Outdoor machine of air conditioner - Google Patents
Outdoor machine of air conditionerInfo
- Publication number
- JPH08247499A JPH08247499A JP4987195A JP4987195A JPH08247499A JP H08247499 A JPH08247499 A JP H08247499A JP 4987195 A JP4987195 A JP 4987195A JP 4987195 A JP4987195 A JP 4987195A JP H08247499 A JPH08247499 A JP H08247499A
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- row
- fins
- air conditioner
- outdoor
- 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.)
- Pending
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、空気調和機の室外機に
係り、詳しくはヒートポンプ式空気調和機の室外機にお
ける熱交換器の構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outdoor unit of an air conditioner, and more particularly to a structure of a heat exchanger in an outdoor unit of a heat pump type air conditioner.
【０００２】[0002]
【従来の技術】従来の空気調和機の室外機本体１におけ
る熱交換器について、その横断面図である図８を用いて
説明する。この従来例では、熱交換器２を風上側、風下
側の２列の熱交換器２ａ、２ｂを重ねて構成し、各々の
フィン２ａ１、２ｂ１の幅Ｗ１、Ｗ２をともに同じ幅Ｗ
１に構成している。このため、凝縮水がフィンに付着す
ると、風上側フィンの方の水滴は、前記送風機３から遠
く大きな通風抵抗となり、風量が低下して凍結し易い問
題があった。2. Description of the Related Art A conventional heat exchanger in an outdoor unit body 1 of an air conditioner will be described with reference to FIG. In this conventional example, the heat exchanger 2 is configured by stacking two rows of heat exchangers 2a and 2b on the windward side and the leeward side, and the widths W1 and W2 of the fins 2a1 and 2b1 are the same width W.
It is configured as 1. For this reason, when the condensed water adheres to the fins, the water droplets on the windward fins have a large ventilation resistance far from the blower 3, and there is a problem that the amount of air flow decreases and the water easily freezes.
【０００３】[0003]
【発明が解決しようとする課題】本発明の目的は、上記
従来の問題点に鑑みなされたもので、熱交換器のフィン
の凍結を防止することにより、風量の低下を抑え、除霜
に入り難くし、暖房性能を向上し、快適性を増加した空
気調和機の室外機を提供することにある。SUMMARY OF THE INVENTION The object of the present invention was made in view of the above-mentioned problems of the prior art. By preventing the fins of the heat exchanger from freezing, it is possible to suppress a decrease in the air flow and to enter defrosting. It is to provide an outdoor unit of an air conditioner that is difficult to improve, has improved heating performance, and has increased comfort.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、放熱フィンに冷媒パイプを挿通した複数列の熱交換
器により構成した室外熱交換器と、同室外熱交換器に対
向して配置され外気を室外熱交換器を通して送風する送
風機とを備えた空気調和機の室外機において、前記室外
熱交換器の風上側の熱交換器のフィン幅を風下側の熱交
換器のフィン幅よりも小さくしてなることを特徴とす
る。そして、前記送風機の回転範囲の幅に対応する前記
風上側の熱交換器のフィン幅を、他の熱交換器のフィン
幅よりも小さくしてなることを特徴とする。あるいは、
風上側から風下側に向けて前記複数列の熱交換器のフィ
ン幅を、順次大きくしてなることを特徴とする。もしく
は、前記送風機の回転範囲の幅に対応する前記複数列の
熱交換器のフィン幅を、風上側から風下側に向けて順次
大きくしてなることを特徴とする。一方、前記風上側の
熱交換器における前記冷媒パイプの中心位置を、前記熱
交換器のフィン幅の中心より風下側にずらして取付けて
なることを特徴とする。あるいは、前記風上側から風下
側に向けて各々の前記熱交換器のフィンにおける前記冷
媒パイプの中心位置を、風下側にずらし、且つずらす距
離を順次少なくして取付けてなることを特徴とする。In order to achieve the above-mentioned object, an outdoor heat exchanger constituted by a plurality of rows of heat exchangers in which refrigerant pipes are inserted through radiating fins, and the outdoor heat exchanger are arranged so as to face the outdoor heat exchanger. In the outdoor unit of the air conditioner having a blower for blowing the outside air through the outdoor heat exchanger, the fin width of the heat exchanger on the windward side of the outdoor heat exchanger is smaller than the fin width of the heat exchanger on the leeward side. It is characterized by being made smaller. The fin width of the heat exchanger on the windward side, which corresponds to the width of the rotation range of the blower, is smaller than the fin widths of the other heat exchangers. Alternatively,
The fin widths of the plurality of rows of heat exchangers are sequentially increased from the windward side toward the leeward side. Alternatively, the fin widths of the plurality of rows of heat exchangers corresponding to the width of the rotation range of the blower are sequentially increased from the windward side to the leeward side. On the other hand, it is characterized in that the center position of the refrigerant pipe in the heat exchanger on the windward side is displaced from the center of the fin width of the heat exchanger on the leeward side. Alternatively, the center position of the refrigerant pipe in the fins of each of the heat exchangers is shifted to the leeward side from the leeward side to the leeward side, and the shift distance is sequentially reduced and attached.
【０００５】[0005]
【作用】上記の構成によれば、放熱フィンに冷媒パイプ
を挿通した複数列の熱交換器により構成した室外熱交換
器と、同室外熱交換器に対向して配置され外気を室外熱
交換器を通して送風する送風機とを備えた空気調和機の
室外機において、前記室外熱交換器の風上側の熱交換器
のフィン幅を風下側の熱交換器のフィン幅よりも小さく
し、そして、前記送風機の回転範囲の幅に対応する前記
風上側の熱交換器のフィン幅を、他の熱交換器のフィン
幅よりも小さくし、あるいは、風上側から風下側に向け
て前記複数列の熱交換器のフィン幅を、順次大きくし、
もしくは、前記送風機の回転範囲の幅に対応する前記複
数列の熱交換器のフィン幅を、風上側から風下側に向け
て順次大きくする一方、前記風上側の熱交換器における
前記冷媒パイプの中心位置を、前記熱交換器のフィン幅
の中心より風下側にずらして取付けてなるか、あるい
は、前記風上側から風下側に向けて各々の前記熱交換器
のフィンにおける前記冷媒パイプの中心位置を、風下側
にずらし、且つずらす距離を順次少なくして取付けてな
るように構成したので、前記熱交換器の風上側フィンの
凍結を防止することにより、風量の低下を抑え、除霜に
入り難くすることが出来る。According to the above construction, the outdoor heat exchanger constituted by a plurality of rows of heat exchangers in which the refrigerant pipes are inserted through the radiation fins, and the outdoor heat exchanger arranged to face the outdoor heat exchanger. In an outdoor unit of an air conditioner equipped with a blower that blows through, the fin width of the heat exchanger on the windward side of the outdoor heat exchanger is made smaller than the fin width of the heat exchanger on the leeward side, and the blower The fin width of the heat exchanger on the windward side corresponding to the width of the rotation range of the heat exchanger is smaller than the fin width of other heat exchangers, or the heat exchangers of the plurality of rows from the windward side to the leeward side The fin width of
Alternatively, the fin widths of the heat exchangers in the plurality of rows corresponding to the width of the rotation range of the blower are sequentially increased from the windward side to the leeward side, while the center of the refrigerant pipe in the heat exchanger on the windward side. The position is shifted from the center of the fin width of the heat exchanger to the leeward side, or the center position of the refrigerant pipe in the fins of each heat exchanger is arranged from the windward side to the leeward side. Since it is configured to be installed on the leeward side by gradually reducing the distance to be displaced, by preventing the windward fins of the heat exchanger from freezing, it is possible to suppress the decrease in the air volume and prevent defrosting. You can do it.
【０００６】[0006]
【実施例】本発明の実施例について添付図面を参照して
詳細に説明する。なお、従来例と同じ部分の符号は、同
一とする。図１は、本発明の一実施例を示す空気調和機
の室外機の横断面図、図２は、その要部拡大平面図であ
る。室外熱交換器２と、同室外熱交換器に対向して配置
され、外気を室外熱交換器を通して送風する送風機３と
を空気調和機の室外機本体１に設ける。ここで、放熱フ
ィンに冷媒パイプを挿通した複数列の熱交換器により室
外熱交換器２を構成している。この実施例では、２列の
熱交換器、各々第１列熱交換器２ａ、第２列熱交換器２
ｂにより室外熱交換器２を構成し、前記放熱フィンを風
上側から第１列フィン２ａ１、第２列フィン２ｂ１と
し、同フィンに各々第１列冷媒パイプ２ａ２、第２列冷
媒パイプ２ｂ２を挿通している。Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same parts as those in the conventional example are denoted by the same reference numerals. FIG. 1 is a cross-sectional view of an outdoor unit of an air conditioner showing an embodiment of the present invention, and FIG. 2 is an enlarged plan view of a main part thereof. An outdoor heat exchanger 2 and a blower 3 that is arranged so as to face the outdoor heat exchanger and blows outside air through the outdoor heat exchanger are provided in the outdoor unit body 1 of the air conditioner. Here, the outdoor heat exchanger 2 is configured by a plurality of rows of heat exchangers in which the refrigerant pipes are inserted into the heat radiation fins. In this embodiment, there are two rows of heat exchangers, a first row heat exchanger 2a and a second row heat exchanger 2, respectively.
b constitutes the outdoor heat exchanger 2, and the radiation fins are the first row fins 2a1 and the second row fins 2b1 from the windward side, and the first row refrigerant pipes 2a2 and the second row refrigerant pipes 2b2 are respectively inserted into the fins. are doing.
【０００７】そして、図２に示すように、前記送風機の
風上側から第一番目の第１列熱交換器２ａの第１列フィ
ン２ａ１の幅Ｗ１を他の第２列熱交換器２ｂのフィン２
ｂ１の幅Ｗ２よりも小さく形成する。また、図６に示す
ように、前記送風機の回転範囲の幅Ｗに対応する前記第
１列熱交換器２ａの第１列フィン２ａ１の幅Ｗ１を、他
の第２列熱交換器２ｂの第２列フィン２ｂ１の幅Ｗ２よ
りも小さく形成している。あるいは、図４に示すよう
に、３列の熱交換器、風上側から各々第１列熱交換器２
ａ、第２列熱交換器２ｂ、第３列熱交換器２ｃで構成す
るときは、前記風上側から風下側に向けて第１列フィン
２ａ１、第２列フィン２ｂ１、第３列フィン２ｃ１の幅
Ｗ１、Ｗ２、Ｗ３を順次大きく形成している。もしく
は、図７に示すように、前記送風機の回転範囲の幅Ｗに
対応する前記第１列フィン２ａ１、第２列フィン２ｂ
１、第３列フィン２ｃ１の幅を、順次大きく形成してい
る。Then, as shown in FIG. 2, the width W1 of the first row fins 2a1 of the first first row heat exchanger 2a from the windward side of the blower is set to the fin of the other second row heat exchanger 2b. Two
It is formed smaller than the width W2 of b1. Further, as shown in FIG. 6, the width W1 of the first row fins 2a1 of the first row heat exchanger 2a corresponding to the width W of the rotation range of the blower is set to the width W1 of the other second row heat exchanger 2b. It is formed smaller than the width W2 of the two-row fin 2b1. Alternatively, as shown in FIG. 4, there are three rows of heat exchangers, and first row heat exchangers 2 from the windward side.
a, the second row heat exchanger 2b, and the third row heat exchanger 2c, the first row fins 2a1, the second row fins 2b1, and the third row fins 2c1 are arranged from the windward side to the leeward side. The widths W1, W2, and W3 are sequentially formed to be large. Alternatively, as shown in FIG. 7, the first row fins 2a1 and the second row fins 2b corresponding to the width W of the rotation range of the blower.
The widths of the first and third row fins 2c1 are sequentially increased.
【０００８】一方、図３に示すように、前記第１列熱交
換器２ａの第１列フィン２ａ１における前記冷媒パイプ
２ａ２の中心位置を、前記第１列の幅の中心より風下側
に距離ｄ１ずらして取付けてなるようにする。更に、図
５に示すように、３列の熱交換器、風上側から各々第１
列熱交換器２ａ、第２列熱交換器２ｂ、第３列熱交換器
２ｃで構成するときは、前記風上側から風下側に向けて
各々の前記第１列フィン２ａ１、第２列フィン２ｂ１、
第３列フィン２ｃ１における前記冷媒パイプの第１列冷
媒パイプ２ａ２、第２列冷媒パイプ２ｂ２、第３列冷媒
パイプ２ｃ２の中心位置を、風下側にずらし、且つ各々
のずらす距離ｄ１、ｄ２、ｄ３を順次少なくして取付け
てなるようにしてもよい。なお、本発明は、２列、３列
に分割された熱交換器にのみ限定されるものではなく、
複数列のフィンに分割された熱交換器にも応用できる。On the other hand, as shown in FIG. 3, the center position of the refrigerant pipe 2a2 in the first row fins 2a1 of the first row heat exchanger 2a is located a distance d1 leeward from the center of the width of the first row. Slide it so that it is attached. Further, as shown in FIG. 5, the three rows of heat exchangers are respectively arranged from the windward side to the first side.
When the row heat exchanger 2a, the second row heat exchanger 2b, and the third row heat exchanger 2c are used, the first row fins 2a1 and the second row fins 2b1 are arranged from the windward side toward the leeward side. ,
The center positions of the first row refrigerant pipes 2a2, the second row refrigerant pipes 2b2, and the third row refrigerant pipes 2c2 of the third row fins 2c1 are shifted to the leeward side, and the respective shift distances d1, d2, d3. It may be possible to reduce the number of the components sequentially and to attach them. The present invention is not limited to the heat exchanger divided into two rows and three rows,
It can also be applied to a heat exchanger divided into a plurality of rows of fins.
【０００９】[0009]
【発明の効果】以上のように本発明においては、放熱フ
ィンに冷媒パイプを挿通した複数列の熱交換器により構
成した室外熱交換器と、同室外熱交換器に対向して配置
され外気を室外熱交換器を通して送風する送風機とを備
えた空気調和機の室外機において、前記室外熱交換器の
風上側の熱交換器のフィン幅を風下側の熱交換器のフィ
ン幅よりも小さくし、そして、前記送風機の回転範囲の
幅に対応する前記風上側の熱交換器のフィン幅を、他の
熱交換器のフィン幅よりも小さくし、あるいは、風上側
から風下側に向けて前記複数列の熱交換器のフィン幅
を、順次大きくし、もしくは、前記送風機の回転範囲の
幅に対応する前記複数列の熱交換器のフィン幅を、風上
側から風下側に向けて順次大きくする一方、前記風上側
の熱交換器における前記冷媒パイプの中心位置を、前記
熱交換器のフィン幅の中心より風下側にずらして取付け
てなるか、あるいは、前記風上側から風下側に向けて各
々の前記熱交換器のフィンにおける前記冷媒パイプの中
心位置を、風下側にずらし、且つずらす距離を順次少な
くして取付けてなるように構成したので、前記熱交換器
の風上側のフィンの凍結を防止することにより、風量の
低下を抑え、除霜に入り難くし、暖房性能を向上し、快
適性を増加し、空気調和機の室外機の性能と効率を向上
させることが出来る。As described above, according to the present invention, the outdoor heat exchanger constituted by a plurality of rows of heat exchangers in which the refrigerant pipes are inserted through the heat radiation fins and the outdoor heat exchanger arranged to face the outdoor heat exchanger. In an outdoor unit of an air conditioner having a blower that blows air through an outdoor heat exchanger, the fin width of the heat exchanger on the windward side of the outdoor heat exchanger is made smaller than the fin width of the heat exchanger on the leeward side, And, the fin width of the heat exchanger on the windward side corresponding to the width of the rotation range of the blower is made smaller than the fin width of another heat exchanger, or the plurality of rows from the windward side to the leeward side. The fin width of the heat exchanger is sequentially increased, or the fin width of the heat exchangers of the plurality of rows corresponding to the width of the rotation range of the blower, while sequentially increasing from the windward side to the leeward side, In the heat exchanger on the windward side The center position of the refrigerant pipe is displaced from the center of the fin width of the heat exchanger to the leeward side, or the refrigerant in the fins of each heat exchanger from the leeward side to the leeward side. Since the center position of the pipe is configured to be shifted to the leeward side and the distance to be shifted is gradually reduced, the fins on the windward side of the heat exchanger are prevented from freezing, and the decrease in the air volume is suppressed. It is possible to prevent defrosting, improve heating performance, increase comfort, and improve performance and efficiency of the outdoor unit of the air conditioner.
【図１】本発明の第一の実施例を示す空気調和機の室外
機の横断面図である。FIG. 1 is a cross-sectional view of an outdoor unit of an air conditioner showing a first embodiment of the present invention.
【図２】本発明の第一の実施例を示す要部拡大平面図で
ある。FIG. 2 is an enlarged plan view of an essential part showing the first embodiment of the present invention.
【図３】本発明の第二の実施例を示す要部拡大平面図で
ある。FIG. 3 is an enlarged plan view of an essential part showing a second embodiment of the present invention.
【図４】本発明の第三の実施例を示す要部拡大平面図で
ある。FIG. 4 is an enlarged plan view of an essential part showing a third embodiment of the present invention.
【図５】本発明の第四の実施例を示す要部拡大平面図で
ある。FIG. 5 is an enlarged plan view of an essential part showing a fourth embodiment of the present invention.
【図６】本発明の第五の実施例を示す空気調和機の室外
機の横断面図である。FIG. 6 is a transverse sectional view of an outdoor unit of an air conditioner showing a fifth embodiment of the present invention.
【図７】本発明の第六の実施例を示す空気調和機の室外
機の横断面図である。FIG. 7 is a transverse sectional view of an outdoor unit of an air conditioner showing a sixth embodiment of the present invention.
【図８】従来例の概要を示す空気調和機の室外機の横断
面図である。FIG. 8 is a cross-sectional view of an outdoor unit of an air conditioner showing an outline of a conventional example.
１ 室外機本体 ２ 熱交換器 ２ａ 第１列熱交換器 ２ａ１ 第１列フィン ２ａ２ 第１列冷媒パイプ ２ｂ 第２列熱交換器 ２ｂ１ 第２列フィン ２ｂ２ 第２列冷媒パイプ ２ｃ 第３列熱交換器 ２ｃ１ 第３列フィン ２ｃ２ 第３列冷媒パイプ ３ 送風機 1 Outdoor Unit Main Body 2 Heat Exchanger 2a First Row Heat Exchanger 2a1 First Row Fin 2a2 First Row Refrigerant Pipe 2b Second Row Heat Exchanger 2b1 Second Row Fin 2b2 Second Row Refrigerant Pipe 2c Third Row Heat Exchanger Vessel 2c1 3rd row fins 2c2 3rd row refrigerant pipe 3 blower
Claims (6)
列の熱交換器により構成した室外熱交換器と、同室外熱
交換器に対向して配置され外気を室外熱交換器を通して
送風する送風機とを備えた空気調和機の室外機におい
て、 前記室外熱交換器の風上側の熱交換器のフィン幅を風下
側の熱交換器のフィン幅よりも小さくしてなることを特
徴とする空気調和機の室外機。1. An outdoor heat exchanger composed of a plurality of rows of heat exchangers in which refrigerant pipes are inserted through radiating fins, and a blower which is arranged so as to face the outdoor heat exchanger and blows outside air through the outdoor heat exchanger. In an outdoor unit of an air conditioner equipped with the air conditioner, the fin width of the heat exchanger on the windward side of the outdoor heat exchanger is smaller than the fin width of the heat exchanger on the leeward side. Outdoor unit.
記風上側の熱交換器のフィン幅を、他の熱交換器のフィ
ン幅よりも小さくしてなることを特徴とする請求項１記
載の空気調和機の室外機。2. The fin width of the heat exchanger on the windward side, which corresponds to the width of the rotation range of the blower, is smaller than the fin widths of the other heat exchangers. Air conditioner outdoor unit.
熱交換器のフィン幅を、順次大きくしてなることを特徴
とする請求項１記載の空気調和機の室外機。3. The outdoor unit for an air conditioner according to claim 1, wherein the fin widths of the plurality of rows of heat exchangers are sequentially increased from the windward side toward the leeward side.
記複数列の熱交換器のフィン幅を、風上側から風下側に
向けて順次大きくしてなることを特徴とする請求項３記
載の空気調和機の室外機。4. The fin width of the heat exchangers in the plurality of rows corresponding to the width of the rotation range of the blower is gradually increased from the windward side to the leeward side. Air conditioner outdoor unit.
パイプの中心位置を、前記熱交換器のフィン幅の中心よ
り風下側にずらして取付けてなることを特徴とする請求
項１記載の空気調和機の室外機。5. The air according to claim 1, wherein the center position of the refrigerant pipe in the heat exchanger on the windward side is displaced to the leeward side from the center of the fin width of the heat exchanger. An outdoor unit of a harmony machine.
記熱交換器のフィンにおける前記冷媒パイプの中心位置
を、風下側にずらし、且つずらす距離を順次少なくして
取付けてなることを特徴とする請求項１記載の空気調和
機の室外機。6. The center position of the refrigerant pipe in the fins of each heat exchanger is shifted to the leeward side from the windward side to the leeward side, and the displacement distance is sequentially reduced and attached. The outdoor unit of the air conditioner according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4987195A JPH08247499A (en) | 1995-03-09 | 1995-03-09 | Outdoor machine of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4987195A JPH08247499A (en) | 1995-03-09 | 1995-03-09 | Outdoor machine of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08247499A true JPH08247499A (en) | 1996-09-27 |
Family
ID=12843120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4987195A Pending JPH08247499A (en) | 1995-03-09 | 1995-03-09 | Outdoor machine of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08247499A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1837608A1 (en) * | 2004-12-24 | 2007-09-26 | Toshiba Carrier Corporation | Outdoor unit for air conditioner |
| WO2012046947A1 (en) * | 2010-10-06 | 2012-04-12 | Chungju National University Industrial Cooperation Foundation | Heat pump outdoor unit having two rows of coils of dual pipe structure and alternating type heat pump |
| KR101229697B1 (en) * | 2010-10-06 | 2013-02-05 | 한국교통대학교산학협력단 | Outdoor heat exchanger for heat pump and heat pump using the same |
| KR101324906B1 (en) * | 2011-06-23 | 2013-11-04 | 한국교통대학교산학협력단 | Heat pump outdoor machine including two coil of dual pipe structure, Heat pump using the outdoor machine and Method for operating the heat pump |
| WO2019239554A1 (en) * | 2018-06-14 | 2019-12-19 | 三菱電機株式会社 | Heat exchanger, heat exchanger unit, and refrigeration cycle device |
-
1995
- 1995-03-09 JP JP4987195A patent/JPH08247499A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1837608A1 (en) * | 2004-12-24 | 2007-09-26 | Toshiba Carrier Corporation | Outdoor unit for air conditioner |
| EP1837608A4 (en) * | 2004-12-24 | 2009-06-03 | Toshiba Carrier Corp | Outdoor unit for air conditioner |
| WO2012046947A1 (en) * | 2010-10-06 | 2012-04-12 | Chungju National University Industrial Cooperation Foundation | Heat pump outdoor unit having two rows of coils of dual pipe structure and alternating type heat pump |
| KR101229697B1 (en) * | 2010-10-06 | 2013-02-05 | 한국교통대학교산학협력단 | Outdoor heat exchanger for heat pump and heat pump using the same |
| KR101324906B1 (en) * | 2011-06-23 | 2013-11-04 | 한국교통대학교산학협력단 | Heat pump outdoor machine including two coil of dual pipe structure, Heat pump using the outdoor machine and Method for operating the heat pump |
| WO2019239554A1 (en) * | 2018-06-14 | 2019-12-19 | 三菱電機株式会社 | Heat exchanger, heat exchanger unit, and refrigeration cycle device |
| JPWO2019239554A1 (en) * | 2018-06-14 | 2021-04-22 | 三菱電機株式会社 | Heat exchanger, heat exchanger unit, and refrigeration cycle equipment |
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