WO2018147366A1 - Unité de pompe à chaleur - Google Patents

Unité de pompe à chaleur Download PDF

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Publication number
WO2018147366A1
WO2018147366A1 PCT/JP2018/004383 JP2018004383W WO2018147366A1 WO 2018147366 A1 WO2018147366 A1 WO 2018147366A1 JP 2018004383 W JP2018004383 W JP 2018004383W WO 2018147366 A1 WO2018147366 A1 WO 2018147366A1
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WO
WIPO (PCT)
Prior art keywords
region
heat pump
air
panel
box
Prior art date
Application number
PCT/JP2018/004383
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English (en)
Japanese (ja)
Inventor
由記 光元
Original Assignee
株式会社前川製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社前川製作所 filed Critical 株式会社前川製作所
Publication of WO2018147366A1 publication Critical patent/WO2018147366A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/02—Casings; Cover lids; Ornamental panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements

Definitions

  • This disclosure relates to a heat pump unit.
  • Applicants have has previously compressor to the heat medium circulation path, gas cooler, expander and an evaporator, the CO 2 constitutes a heat pump cycle as a heating medium, the discharge side of the CO 2 as a heat medium compressor
  • a hot water supply apparatus that can supply high-temperature water of about 90 ° C. by setting it to a supercritical state
  • Patent Document 2 a hot water supply unit in which the hot water supply devices constituting the heat pump cycle are unitized and made compact
  • This hot water supply unit has a heat exchange chamber in which a heat exchanger that exchanges heat with an air flow is introduced by outside air by a fan, and a machine room in which heat pump cycle components other than the heat exchanger are housed.
  • the machine room of the hot water supply unit may be provided with an inverter unit that houses an inverter that controls the drive of the compressor together with a compressor or the like. Since the inverter generates heat and the temperature of the closed machine room tends to rise, it is necessary to cool the inverter.
  • an inverter unit in an outdoor unit of a heat pump water heater, an inverter unit is arranged in a heat exchange chamber and further arranged on the downstream side of the air flow from the heat exchanger, so that the inverter is cooled by air cooled by the heat exchanger. A method for cooling the unit is disclosed.
  • At least one embodiment aims to enable cooling of an inverter unit provided in the heat pump unit in the heat pump unit and to prevent a failure and a decrease in life of the inverter unit.
  • the heat pump unit is: A box-shaped casing in which an air intake is formed in an upper region of one or more side surfaces, and an air outlet is formed on an upper surface;
  • the upper part of the box-shaped casing is arranged along the vertical direction, and is divided into a first region including the air intake and the air outlet and a second region not including the air intake and the air outlet.
  • a partition wall having an air circulation port for communicating the first region and the second region;
  • a panel heat exchanger provided in the first region;
  • a fan that forms a first air flow that flows in from the air intake, passes through the panel heat exchanger, and flows out of the air outlet;
  • the heat pump cycle constituent equipment provided at the lower part of the box-shaped casing,
  • a first inverter unit that is provided in the second region and houses an inverter for a drive motor of a compressor included in the heat pump cycle constituent device;
  • the first inverter unit is provided in the second region having no air intake port and no air outlet, thereby preventing the first inverter unit from being exposed to rainwater, dust, or the like.
  • the first inverter unit can be cooled by the second air flow formed in the second region.
  • the first air flow and the second air flow can be formed by one fan, it is not necessary to provide another fan for forming the second air flow, and the heat pump unit can be simplified and reduced in cost.
  • the first inverter unit In one embodiment, in the configuration of (1), In the second region, the first inverter unit is attached to the partition wall. According to the configuration of (2) above, by attaching the first inverter unit to the partition wall, the support portion of the first inverter unit can also be used as the partition wall. Therefore, a special support part for attaching the first inverter unit is not required, and the configuration of the heat pump unit can be simplified and reduced in cost.
  • a first vent is formed in a part of the box-shaped casing belonging to the second region, and takes in the second air flow into the second region.
  • formation of the second air flow is facilitated by forming the first vent hole in the box-shaped casing belonging to the second region.
  • a control panel provided in a lower part of the box-shaped casing and containing a control device for controlling the heat pump cycle constituent device;
  • a second ventilation port formed at a position where a third air flow can be formed through the control panel to the second region by operation of the fan at a lower portion of the box-shaped casing; Is provided.
  • the configuration of (4) above by forming the second vent at a position where a third air flow can be formed through the control panel to the second region by operating the fan at the lower part of the box-shaped casing, The control panel can be cooled.
  • the control panel is provided with a second inverter unit that houses an inverter for the drive motor of the fan, and the second inverter unit is cooled by the third air flow.
  • the configuration of (5) not only the control panel but also the second inverter unit provided in the control panel can be cooled by forming the third air flow.
  • the panel-like heat exchanger has the pair of plate-like members along the vertical direction so that the distance between the pair of plate-like members, at least one of which is the panel-like heat exchanger, decreases as it goes downward.
  • the air circulation port is formed in the partition wall at a position communicating with the space between the pair of plate-like members.
  • the air circulation port includes a louver. According to the configuration of (7) above, by providing a louver at the air circulation port formed in the partition wall, it is possible to prevent rainwater and dust from entering the second region from the first region through the air circulation port. it can.
  • the inverter unit provided in the heat pump unit, and it is possible to prevent the inverter unit from being broken or shortened due to rain water or dust.
  • an expression indicating that things such as “identical”, “equal”, and “homogeneous” are in an equal state not only represents an exactly equal state, but also has a tolerance or a difference that can provide the same function. It also represents the existing state.
  • expressions representing shapes such as quadrangular shapes and cylindrical shapes represent not only geometrically strict shapes such as quadrangular shapes and cylindrical shapes, but also irregularities and chamfers as long as the same effects can be obtained. A shape including a part or the like is also expressed.
  • the expressions “comprising”, “comprising”, “comprising”, “including”, or “having” one constituent element are not exclusive expressions for excluding the existence of other constituent elements.
  • FIGS. 1 to 3 are perspective views of a heat pump unit 10 according to an embodiment as viewed from different angles.
  • the heat pump unit 10 houses a heat pump cycle component device inside a box-shaped casing 12.
  • the box-shaped casing 12 has air intakes 14 and 16 formed in the upper region of one or more side surfaces (the front surface 12a and the back surface 12b), and an air outlet 18 formed in the upper surface 12c.
  • a partition wall 20 is disposed along the vertical direction.
  • the partition wall 20 includes a first region R 1 including air intake ports 14 and 16 and an air outlet port 18 at an upper portion of the box-shaped casing 12, and a second portion not including the air inlet ports 14 and 16 and the air outlet port 18. partitioned into a region R 2.
  • the partition wall 20, vent port 22 for communicating the first region R 1 and a second region R 2 is formed.
  • a panel-shaped heat exchanger 24 and the fan 26 is provided in the first region R 1.
  • a first air flow a1 that flows in from the air intakes 14 and 16, passes through the panel heat exchanger 24, and flows out from the air outlet 18 is formed.
  • a heat pump cycle component device 50 excluding the panel heat exchanger 24 is provided below the box-shaped casing 12.
  • the first inverter unit 28 for accommodating the inverter drive motor of the compressor 54 included in the heat pump cycle configuration device 50 (see FIG. 5) is provided.
  • the first inverter unit 28 by providing the first inverter unit 28 in the second region R 2 without the air intake ports 14, 16 and the air outlet 18, the first inverter unit 28 is exposed to rainwater, dust, or the like. Can be prevented. Further, it cools the first inverter unit 28 by the second air stream a2 formed in the second region R 2. Furthermore, since the first air flow a1 and the second air flow a2 can be formed by one fan 26, there is no need to provide another fan for forming the second air flow a2, and the heat pump unit 10 can be simplified and Cost can be reduced. In FIG. 1 to FIG. 3, the side panel that shields the front side surface of the box-shaped casing 12 is omitted so that the inside of the box-shaped casing 12 can be illustrated.
  • the panel heat exchanger 24 is formed in a plate-like body and has a plurality of heat transfer tubes through which the heat medium flows, and a gap through which an air flow can pass is formed between the plurality of heat transfer tubes. Heat exchange with is possible.
  • the panel heat exchanger 24 has a plurality of heat transfer tubes 84 (84a, 84b, 84c, 84d, 84e, 84f, 84g, 84h, 84i) between the support plates 80 and 82, as shown in FIG. , 84j) are provided in parallel, and a gap s through which air can flow is formed between the heat transfer tubes 84 (84a to 84j).
  • the plurality of heat transfer tubes 84 are connected to the inlet header 86 and the outlet header 88, and are bent in the middle, and are arranged between the support plates 80 and 82 as meandering tubes.
  • the heat medium r that has flowed into the inlet header 86 is divided into a plurality of heat transfer tubes 84, exchanges heat with the air flow passing through the gaps s, and then flows out from the outlet header 88.
  • a frame 90 is installed between the support plates 80 and 82. In FIG. 6, some of the heat transfer tubes 84 are not shown.
  • the fan 26 is provided on the upper surface 12 c of the box-shaped casing 12.
  • the fan 26 is provided at the air outlet 18. This eliminates the need for a special space for providing the fan 26 inside the box-shaped casing 12, so that the box-shaped casing 12 can be made compact.
  • the partition wall 20 is configured by a panel plate provided in the vertical direction that partitions the upper region into the first region R 1 and the second region R 2 inside the box-shaped casing 12. Thereby, the setting space of the partition wall 20 can be made compact.
  • the first inverter unit 28 is attached to the partition wall 20 in the second region R 2.
  • the support portion of the first inverter unit 28 can also be used as the partition wall 20. Therefore, a separate support part for attaching the first inverter unit 28 is not required, and the configuration of the heat pump unit 10 can be simplified and reduced in cost.
  • it comprises a first vent port 30 in a part of the box-shaped casing 12 belonging to the second region R 2. It can taking in air for the first ventilation port 30 to form a second air stream a2 in the second region R 2. According to this embodiment, by forming the first vent port 30 in the box-shaped casing 12 belonging to the second region R 2, the formation of the second air stream a2 is facilitated.
  • the air circulation port 22 is formed at an upper position of the partition wall 20, and the first inverter unit 28 is fixed at an intermediate position in the vertical direction of the partition wall 20.
  • 1 vent 30 is formed in the lower part of the front 12a of the box-shaped casing 12 of the second region R 2.
  • a control panel 36 that houses a control device that controls the heat pump cycle component device 50 is provided in the lower part of the box-shaped casing.
  • the 2nd ventilation port 38 is formed in the lower part in a box-shaped casing.
  • the second vent 38 is formed a third air stream a3 leading to the second region R 2 through the control panel 36 by the operation of the fan 26 to formable positions.
  • the operation of the fan 26, air flowing from the second vent 38 can form a third air stream a3 reaching the control panel 36 and the second region R 2 through.
  • the second vent 38 is formed in the box-shaped casing 12 located in the vicinity of the control panel 36 at the lower part of the box-shaped casing 12.
  • the cooling effect of the control panel 36 can be enhanced by the third air flow a3 flowing from the second vent 38.
  • the control panel 36 is disposed near the back surface 12 b of the box-shaped casing 12, and the second vent 38 is formed on the back surface 12 b at a position facing the control panel 36.
  • the cooling effect of the control panel 36 can be enhanced by the third air flow a3 flowing from the second vent 38.
  • a second inverter unit 34 that houses an inverter that controls the drive motor 32 of the fan 26 is provided in the control panel 36.
  • the second inverter unit 34 can be cooled by the third air flow a3.
  • the heat pump unit 10 can be simplified and reduced in cost.
  • not only the first inverter unit 28 and the control panel 36 but also the second inverter unit 34 can be cooled by one fan 26, so that the heat pump unit 10 can be simplified and reduced in cost. it can.
  • the arrow indicating the third air flow a3 is omitted.
  • the second inverter unit 34 is built in the control panel 36. Accordingly, the second inverter unit 34 and the control panel 36 can be simultaneously cooled by the third air flow a3.
  • the panel heat exchanger 24 includes a pair of plate-like members, at least one of which is a panel heat exchanger. These pair of plate-like members are arranged along the vertical direction so that the distance between the pair of plate-like members decreases as it goes downward.
  • the air circulation port 22 is formed in the partition wall 20 at a position communicating with the space between the pair of plate-like members. According to this embodiment, since one or more panel-like heat exchangers 24 can be arranged, the heat exchange performance can be improved, and the panel-like heat exchanger 24 can be arranged inside the surface of the box-shaped casing 12, Can protect panel heat exchangers from stepping stones and other obstacles.
  • the pair of plate-like members is constituted by a pair of panel heat exchangers. Accordingly, the amount of heat exchange between the air flow and the heat medium r can be increased without increasing the volume of the box-shaped casing 12, and the heat exchange performance can be improved.
  • the pair of panel heat exchangers 24 are supported by a pair of support frames 40. Further, a drain pan 42 is provided between the pair of support frame bodies 40 and below a space formed between the pair of panel heat exchangers 24. When the panel heat exchanger 24 exchanges heat with the air flow, the condensed water condensed and condensed by the air flow is received by the drain pan 42 and discharged from the box-shaped casing 12.
  • the air circulation port 22 includes a louver 44 as shown in FIGS. According to this embodiment, by providing the louver 44 at the air circulation port 22 formed in the partition wall 20, rainwater, dust, or the like enters the second region R 2 from the first region R 1 through the air circulation port 22. Can be suppressed.
  • each of the first vent 30 and the second vent 38 is provided with a louver. According to this embodiment, it is possible to prevent rainwater, dust and the like from entering the inside of the box-shaped casing 12 from the first vent 30 and the second vent 38.
  • FIG. 5 shows the heat pump cycle component device 50 of the heat pump unit 10 according to an embodiment.
  • a heat pump cycle component device 50 such as a compressor 54 is provided in a heat medium circulation path 52.
  • the heat pump cycle component includes a condenser 56, an expansion valve 58, and a panel heat exchanger 24 in addition to the compressor 54.
  • the heat medium introduction pipe 60 is connected to the high-pressure area heat medium circulation path 52 downstream of the condenser 56
  • the heat medium discharge pipe 62 is connected to the low-pressure area heat medium circulation path 52 downstream of the expansion valve 58.
  • a heat medium tank 64 to which the heat medium introduction pipe 60 and the heat medium discharge pipe 62 are connected.
  • the heat medium compressed by the compressor 54 is cooled by the cooling water flowing through the cooling water channel 66 by the condenser 56.
  • the cooling water channel 66 is provided with a cooling water pump 68 that sends the cooling water to the condenser 56.
  • the heat medium cooled by the condenser 56 is cooled by exchanging heat with the heat medium sent from the panel heat exchanger 24 by the internal heat exchanger 70 and then depressurized via the expansion valve 58.
  • the heat medium depressurized through the expansion valve 58 is vaporized by the panel heat exchanger 24 using air as a heat source.
  • the panel heat exchanger 24 has a plurality of heat transfer tubes 84 arranged in a panel shape, and an air flow a passing between the plurality of heat transfer tubes 84 is formed by the fan 26.
  • the heat medium vaporized in the panel heat exchanger is heated by exchanging heat with the heat medium sent from the condenser 56 in the internal heat exchanger 70 and then sent again to the compressor 54 to be compressed.
  • a part of the heat medium in the heat medium circulation path 52 is stored in the heat medium tank 64 or stored in the heat medium tank 64 by the opening / closing operation of the first on-off valve 72 and the second on-off valve 74.
  • the amount of heat medium flowing through the heat medium circuit 52 can be adjusted.
  • the hot water heated by the condenser 56 can be supplied to the customer as a heat source.
  • a heat medium for example, CO 2
  • a gas cooler is used as the condenser 56.
  • the inverter unit provided in the heat pump unit it is possible to cool the inverter unit provided in the heat pump unit, and it is possible to prevent the inverter unit from failing or having a reduced life.

Abstract

L'invention concerne une unité de pompe à chaleur comportant : une enveloppe de boîte dans laquelle une entrée d'air est formée dans la région supérieure de la surface latérale et dans laquelle une sortie d'air est formée dans la surface supérieure ; une paroi de séparation qui sépare la partie supérieure de l'enveloppe de boîte en une première région contenant l'entrée d'air et la sortie d'air et une deuxième région qui ne contient pas celles-ci, et qui a un passage d'écoulement d'air permettant la communication entre la première région et la deuxième région ; un échangeur de chaleur en forme de panneau qui est mis en œuvre dans la première région ; un ventilateur qui forme un premier flux d'air passant de l'entrée d'air au travers de l'échangeur de chaleur en forme de panneau jusqu'à la sortie d'air ; un dispositif constitutif de cycle de pompe à chaleur qui est mis en œuvre dans la partie inférieure de l'enveloppe de boîte ; et une première unité d'onduleur qui est mise en œuvre dans la deuxième région et qui commande un compresseur. Par le biais du fonctionnement du ventilateur, le premier flux d'air mentionné ci-dessus est formé, et également un deuxième flux d'air allant de la deuxième région jusqu'à la sortie d'air.
PCT/JP2018/004383 2017-02-10 2018-02-08 Unité de pompe à chaleur WO2018147366A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-023349 2017-02-10
JP2017023349A JP6902359B2 (ja) 2017-02-10 2017-02-10 ヒートポンプユニット

Publications (1)

Publication Number Publication Date
WO2018147366A1 true WO2018147366A1 (fr) 2018-08-16

Family

ID=63107569

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Application Number Title Priority Date Filing Date
PCT/JP2018/004383 WO2018147366A1 (fr) 2017-02-10 2018-02-08 Unité de pompe à chaleur

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JP (1) JP6902359B2 (fr)
CN (2) CN108413651A (fr)
WO (1) WO2018147366A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6902359B2 (ja) * 2017-02-10 2021-07-14 株式会社前川製作所 ヒートポンプユニット

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JPS6115475U (ja) * 1984-07-04 1986-01-29 三洋電機株式会社 空気調和機の室外側ユニツト
JPH0552634U (ja) * 1991-12-18 1993-07-13 ダイキン工業株式会社 空気調和装置の電気品箱の冷却構造
JPH06281204A (ja) * 1993-03-26 1994-10-07 Sanyo Electric Co Ltd 空気調和機の室外ユニット
JPH0989310A (ja) * 1995-09-26 1997-04-04 Mitsubishi Heavy Ind Ltd エンジン駆動式空気調和機の室外ユニット
EP2063192A1 (fr) * 2007-11-23 2009-05-27 LG Electronics Inc. Unité extérieure pour climatiseur avec passage d'air dans le boîtier de commande et caloduc
JP2010261601A (ja) * 2009-04-30 2010-11-18 Panasonic Corp 空気調和機の室外機
JP2013050283A (ja) * 2011-08-31 2013-03-14 Sanyo Electric Co Ltd 空気調和装置の室外ユニット
JP2013234802A (ja) * 2012-05-09 2013-11-21 Mitsubishi Heavy Ind Ltd 熱交換ユニット
JP2014020766A (ja) * 2012-07-23 2014-02-03 Mayekawa Mfg Co Ltd Ｃｏ２給湯器
US20170130975A1 (en) * 2015-11-09 2017-05-11 Carrier Corporation Climate Control Outdoor Unit with Inverter Cooling

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JP2001280653A (ja) * 2000-03-29 2001-10-10 Mitsubishi Heavy Ind Ltd ガスヒートポンプ式空気調和機の機械室換気構造
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JP5061471B2 (ja) * 2006-02-17 2012-10-31 ダイキン工業株式会社 冷凍装置の室外ユニット
JP5097486B2 (ja) * 2007-09-12 2012-12-12 三洋電機株式会社 空気調和機
JP5966777B2 (ja) * 2012-08-31 2016-08-10 株式会社富士通ゼネラル 空気調和機の室外機
JP6120209B2 (ja) * 2012-12-28 2017-04-26 パナソニックＩｐマネジメント株式会社 室外ユニット
JP5786877B2 (ja) * 2013-02-06 2015-09-30 ダイキン工業株式会社 空気調和装置の室外機
JP6902359B2 (ja) * 2017-02-10 2021-07-14 株式会社前川製作所 ヒートポンプユニット

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6115475U (ja) * 1984-07-04 1986-01-29 三洋電機株式会社 空気調和機の室外側ユニツト
JPH0552634U (ja) * 1991-12-18 1993-07-13 ダイキン工業株式会社 空気調和装置の電気品箱の冷却構造
JPH06281204A (ja) * 1993-03-26 1994-10-07 Sanyo Electric Co Ltd 空気調和機の室外ユニット
JPH0989310A (ja) * 1995-09-26 1997-04-04 Mitsubishi Heavy Ind Ltd エンジン駆動式空気調和機の室外ユニット
EP2063192A1 (fr) * 2007-11-23 2009-05-27 LG Electronics Inc. Unité extérieure pour climatiseur avec passage d'air dans le boîtier de commande et caloduc
JP2010261601A (ja) * 2009-04-30 2010-11-18 Panasonic Corp 空気調和機の室外機
JP2013050283A (ja) * 2011-08-31 2013-03-14 Sanyo Electric Co Ltd 空気調和装置の室外ユニット
JP2013234802A (ja) * 2012-05-09 2013-11-21 Mitsubishi Heavy Ind Ltd 熱交換ユニット
JP2014020766A (ja) * 2012-07-23 2014-02-03 Mayekawa Mfg Co Ltd Ｃｏ２給湯器
US20170130975A1 (en) * 2015-11-09 2017-05-11 Carrier Corporation Climate Control Outdoor Unit with Inverter Cooling

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Publication number Publication date
CN208312763U (zh) 2019-01-01
JP2018128232A (ja) 2018-08-16
JP6902359B2 (ja) 2021-07-14
CN108413651A (zh) 2018-08-17

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