EP3182022B1 - Ausseneinheit einer klimaanlage sowie klimaanlage - Google Patents

Ausseneinheit einer klimaanlage sowie klimaanlage Download PDF

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Publication number
EP3182022B1
EP3182022B1 EP16202116.6A EP16202116A EP3182022B1 EP 3182022 B1 EP3182022 B1 EP 3182022B1 EP 16202116 A EP16202116 A EP 16202116A EP 3182022 B1 EP3182022 B1 EP 3182022B1
Authority
EP
European Patent Office
Prior art keywords
motor
heat exchanger
gas engine
air conditioner
compressor
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.)
Active
Application number
EP16202116.6A
Other languages
English (en)
French (fr)
Other versions
EP3182022A1 (de
Inventor
Masaaki Nagai
Tetsuya Masuda
Masaru Matsui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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
Priority claimed from JP2016142665A external-priority patent/JP2017110895A/ja
Application filed by Panasonic Intellectual Property Management Co Ltd filed Critical Panasonic Intellectual Property Management Co Ltd
Publication of EP3182022A1 publication Critical patent/EP3182022A1/de
Application granted granted Critical
Publication of EP3182022B1 publication Critical patent/EP3182022B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/08—Compressors specially adapted for separate outdoor units
    • F24F1/10—Arrangement or mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/44—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of internal combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards

Definitions

  • the present disclosure relates to improvement in operation reliability in an outdoor unit for an air conditioner and the air conditioner, the outdoor unit including a gas engine and a motor, which are two power sources, and a compressor.
  • a gas heat pump air conditioner using, as a power source, an internal combustion engine, which uses gas fuel, that is, a so-called gas engine has been put into practical use.
  • an outdoor unit for the gas heat pump air conditioner the interior of a housing is divided into an upper portion and a lower portion by a partition plate.
  • the upper portion is a heat exchanger room and the lower portion is a machine room.
  • the heat exchanger room accommodates a fan.
  • the machine room accommodates therein a compressor that is driven with a driving shaft of a gas engine and a driving shaft of a motor coaxially linked to each other.
  • an outdoor unit of an air conditioner that includes a body housing defining therein a heat exchanger room and a machine room that further defines two portions divided by a substantially vertical plane that includes a straight line passing a center of a bottom plate provided on a bottom of the machine room and extending in a depth direction of the machine room, and a power-supply driving compressor being driven by an electric power, and a non-power-supply driving compressor unit containing a driving source other than the electric power and a non-power-supply driving compressor being driven by the driving source other than the electric power.
  • a substantially central position of the non-power-supply driving compressor unit is disposed in one of the two portions of the machine room and a substantially central position of the power-supply driving compressor is disposed in the other one of
  • a rotating shaft 340 of a gas engine 301, a rotating shaft 320 of a compressor 102, and a rotating shaft 330 of a motor 303 are coaxially linked to each other. That is, the gas engine 301, the compressor 102, and the motor 303 are disposed close to each other, as a result of which exhaust heat that is generated at the gas engine 301 is transmitted to the motor 303 via the rotating shafts 340 and 330.
  • the gas engine 301 is very large; and the exhaust heat of the gas engine 301 spreads in the entire machine room 310 and heats the motor 303 located in the vicinity of the gas engine 301, as a result of which the motor 303 cannot operate properly.
  • One non-limiting and exemplary embodiment provides an outdoor unit for an air conditioner and the air conditioner, the outdoor unit having a structure that makes it possible to suppress temperature rise of a motor that is, along with a gas engine, accommodated in a machine room.
  • the techniques disclosed here feature an outdoor unit for an air conditioner, including a housing that defines therein a machine room and a heat exchanger room, the heat exchanger room located above the machine room; a fan that is located at the heat exchanger room and that is adapted to generate an airflow from the machine room towards the heat exchanger room; a motor that is disposed in the machine room; a gas engine that is disposed in the machine room; and a compressor that is disposed in the machine room and that is driven by the motor or the gas engine, wherein a rotating shaft of the motor is located below a rotating shaft of the gas engine wherein a rotating shaft of the compressor is located below the rotating shaft of the gas engine.
  • the motor is installed closer to an upwind side than the gas engine is; and exhaust heat of the gas engine is no longer directly transmitted to the motor via the rotating shafts.
  • the outdoor unit for the air conditioner In the outdoor unit for the air conditioner according to the present disclosure, outside air cools the motor to suppress thermal effects of the exhaust heat of the gas engine on the motor. Therefore, the outdoor unit prevents demagnetization caused by temperature rise of the motor, and, thus, can improve operation reliability of the air conditioner.
  • an outdoor unit for an air conditioner including a housing that defines therein a machine room and a heat exchanger room, the heat exchanger room located above the machine room; a fan that is located at the heat exchanger room and that is adapted to generate an airflow from the machine room towards the heat exchanger room; a motor that is disposed in the machine room; a gas engine that is disposed in the machine room; and a compressor that is disposed in the machine room and that is driven by the motor or the gas engine, wherein a rotating shaft of the motor is located below a rotating shaft of the gas engine.
  • the rotating shaft of the motor is located below the rotating shaft of the gas engine, it is possible to prevent exhaust heat of the gas engine from being directly transmitted to the motor via the rotating shafts.
  • the compressor and the motor are installed closer to an upwind side than the gas engine is, the effects of exhaust heat of the gas engine are suppressed, so that cooling of the motor is accelerated. Therefore, by suppressing temperature rise of the motor, failures caused by demagnetization of the motor are prevented, so that it is possible to improve operation reliability of the air conditioner.
  • the outdoor unit for the air conditioner is such that a rotating shaft of the compressor is located below the rotating shaft of the gas engine.
  • the rotating shaft of the compressor and the rotating shaft of the motor are located below the rotating shaft of the gas engine, it is possible to prevent exhaust heat of the gas engine from being directly transmitted to the motor via the rotating shafts.
  • the compressor and the motor are installed closer to the upwind side than the gas engine is, the effects of exhaust heat of the gas engine are suppressed, so that cooling of the motor is accelerated. Therefore, by suppressing temperature rise of the motor, failures caused by demagnetization of the motor are prevented, so that it is possible to improve operation reliability of the air conditioner.
  • the outdoor unit for the air conditioner further includes a first heat exchanger that is located in the heat exchanger room.
  • the fan causes air subjected to heat exchange at the heat exchanger room to flow to an upper side of the heat exchanger room, so that it is possible to suppress temperature rise of the motor to prevent failures caused by demagnetization of the motor, and to, thus, improve operation reliability of the air conditioner.
  • an air conditioner including the outdoor unit according to any one of the first to second disclosures; an indoor unit that accommodates a second heat exchanger; and an inter-unit pipe that connects the outdoor unit with the indoor unit and that defines a passage in which a refrigerant flows.
  • the rotating shaft of the motor is located below the rotating shaft of the gas engine, it is possible to prevent exhaust heat of the gas engine from being directly transmitted to the motor via the rotating shafts.
  • the compressor and the motor are installed closer to the upwind side than the gas engine is, the effects of exhaust heat of the gas engine are suppressed, so that cooling of the motor is accelerated. Therefore, by suppressing temperature rise of the motor, failures caused by demagnetization of the motor are prevented, so that it is possible to improve operation reliability of the air conditioner.
  • an air conditioner including a passage in which a refrigerant flows, the outdoor unit according to any one of the first to second disclosures, and an indoor unit that includes a second heat exchanger, wherein the compressor, the first heat exchanger, and the second heat exchanger are disposed in the passage.
  • Fig. 1 is a refrigeration circuit diagram of a structure of an air conditioner 100 according to an embodiment of the present disclosure.
  • the air conditioner 100 includes an outdoor unit 101, two indoor units 111a and 111b, and a refrigerant pipe that connects these units.
  • the outdoor unit 101 includes a compressor 102, an oil separator 103, an accumulator 104, a four-way valve 105, a first heat exchanger (outdoor heat exchanger) 106, and a refrigerant pipe that connects these components.
  • the indoor unit 111a includes a second heat exchanger (indoor heat exchanger) 112a, and the indoor unit 111b includes a second heat exchanger (indoor heat exchanger) 112b.
  • An indoor fan 114a is disposed near the second heat exchanger 112a, and an indoor fan 114b is disposed near the second heat exchanger 112b.
  • the outdoor unit 101 and the two indoor units 111a and 111b are connected to each other by an inter-unit pipe 10 that forms a passage in which a refrigerant flows.
  • Fig. 2 illustrates an arrangement of power sources and the compressor 102 in the outdoor unit 101 according to the embodiment of the present disclosure.
  • the outdoor unit 101 includes a box-shaped casing 110. At a substantially central portion of the outdoor unit 101 in a height direction, the outdoor unit 101 is divided into an upper portion and a lower portion by a partition plate 120. A machine room 150 is located below the partition plate 120. A heat exchanger room 160 is located above the partition plate 120. The partition plate 120 has a first slit 154 through which air can pass.
  • the compressor 102, a motor 303, and a gas engine 301 are provided in the machine room 150.
  • a first supporting member 307 the compressor 102 is disposed above a bottom plate 130 of the outdoor unit 101.
  • the motor 303 is disposed above the bottom plate 130.
  • a second slit 155 through which air flows is provided in the box-shaped casing 110 that forms the side walls of the machine room 150.
  • the motor 303 and the compressor 102 are disposed side by side.
  • the motor 303 and the compressor 102 are linked to each other by a motor rotating shaft 330 extending in a substantially horizontal direction.
  • the gas engine 301 is provided above the motor 303 and the compressor 102.
  • a gas-engine rotating shaft 340 extending in a substantially horizontal direction is linked to the gas engine 301.
  • the rotating shaft 330 of the motor 303 and the rotating shaft 340 of the gas engine 301 are linked to each other via transmitting means 302.
  • the transmitting means 302 includes a pulley 308 of the motor rotating shaft 330, a pulley 309 of the rotating shaft of the gas engine 301, and a belt 310 placed upon the pulleys 308 and 309.
  • the rotating shaft 330 of the motor 303 is located below the rotating shaft 340 of the gas engine 301 in the height direction. That is, the motor rotating shaft 330, which is the rotating shaft of the motor 303, is located below the gas-engine rotating shaft 340, which is the rotating shaft of the gas engine 301, in the height direction. The motor rotating shaft 330, which is also the rotating shaft of the compressor 102, is located below the gas-engine rotating shaft 340, which is the rotating shaft of the gas engine 301.
  • the first heat exchanger 106 is provided in the heat exchanger room 160 so as to cover the side surfaces of the first heat exchanger 106.
  • Two outdoor fans 107 are provided at the heat exchanger room 160.
  • the outdoor unit 101 is divided into the machine room 150 and the heat exchanger room 160 by the partition plate 120, the outdoor unit 101 may be one that is not divided by the partition plate 120 or the like.
  • the gas engine 301 and the motor 303 separately control their respective driving forces and transmit the driving forces.
  • the gas engine 301 in operation becomes very hot and generates radiant heat (exhaust heat) around the gas engine 301.
  • the ambient temperature of the gas engine 301 increases.
  • the outdoor fans 107 cause the air passage 305 to be provided from the machine room 150 to the heat exchanger room 160, the exhaust heat of the gas engine 301 is exhausted to a location above the gas engine 301.
  • temperature rise at a location where the compressor 102 and the motor 303 are installed, that is, a location below the gas engine 301 is suppressed.
  • the gas engine 301 operates while largely vibrating at all times. Since the gas engine 301 is indirectly linked to the compressor 102 via the transmitting means 302, the transmission of the vibration of the gas engine 301 to the compressor 102 and the motor 303 is suppressed.
  • the present embodiment by linking the gas engine 301 to the compressor 102 and the motor 303 via the transmitting means 302, it is possible to prevent the vibration of the gas engine 301 from being directly transmitted to the compressor 102 and the motor 303. As a result, it is possible to prevent shaft misalignment failures caused by vibration between the compressor 102 and the motor 303, and, thus, improve operation reliability of the air conditioner 100.
  • the structure in which the compressor 102 and the motor 303 are coaxially linked to each other is described.
  • the compressor 102 and the motor 303 are linked to each other via similar transmitting means differing from the transmitting means 302, or when the motor 303 exists in the compressor 102, it is also possible to similarly provide the same effects by similarly installing the compressor 102 and the motor 303 below the rotating shaft 340 of the gas engine 301.
  • an air conditioner device including one indoor unit or two or more indoor units is described, an air conditioner device including a plurality of indoor units may be used.
  • the outdoor unit for the air conditioner according to the present disclosure is suitably used as an air conditioner device that, by suppressing temperature rise of the motor, prevents failures caused by demagnetization of the motor and, thus, improves operation reliability of the air conditioner.

Claims (4)

  1. Außeneinheit (101) einer Klimaanlage (100), umfassend:
    ein Gehäuse, das darin einen Maschinenraum (150) und einen Wärmetauscherraum (160) definiert, wobei sich der Wärmetauscherraum (160) über dem Maschinenraum (150) befindet;
    ein Gebläse (107), das sich bei dem Wärmetauscherraum (160) befindet und geeignet ist, um einen Luftstrom vom Maschinenraum (150) zum Wärmetauscherraum (160) zu erzeugen;
    einen Motor (303), der im Maschinenraum (150) angeordnet ist;
    einen Gasmotor (301), der im Maschinenraum (150) angeordnet ist; und
    einen Kompressor (102), der im Maschinenraum (150) angeordnet ist und von dem Motor (303) oder dem Gasmotor (301) angetrieben wird, wobei
    sich eine Drehwelle (330) des Motors (303) unterhalb einer Drehwelle (340) des Gasmotors (301) befindet,
    dadurch gekennzeichnet, dass
    sich eine Drehwelle (330) des Kompressors (102) unterhalb der Drehwelle (340) des Gasmotors (301) befindet.
  2. Außeneinheit (101) einer Klimaanlage (100) nach Anspruch 1, ferner umfassend
    einen ersten Wärmetauscher (106), der sich in dem Wärmetauscherraum (160) befindet.
  3. Klimaanlage (100), umfassend:
    die Außeneinheit (101) nach einem der Ansprüche 1 bis 2;
    eine Inneneinheit (111a, 111b) die einen zweiten Wärmetauscher (112a, 112b) beherbergt; und
    ein Einheiten-Zwischenrohr (10), das die Außeneinheit (101) mit der Inneneinheit (111a, 111b) verbindet und einen Durchgang definiert, in dem ein Kältemittel fließt.
  4. Klimaanlage (100), umfassend:
    einen Durchgang, in dem ein Kältemittel fließt;
    die Außeneinheit (101) nach einem der Ansprüche 1 bis 2; und
    eine Inneneinheit (111a, 111b), die einen zweiten Wärmetauscher (112a, 112b) umfasst, wobei
    der Kompressor (102), der erste Wärmetauscher (106) und der zweite Wärmetauscher (112a, 112b) in dem Durchgang angeordnet sind.
EP16202116.6A 2015-12-14 2016-12-05 Ausseneinheit einer klimaanlage sowie klimaanlage Active EP3182022B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015242808 2015-12-14
JP2016142665A JP2017110895A (ja) 2015-12-14 2016-07-20 空気調和機の室外ユニットおよび空気調和機

Publications (2)

Publication Number Publication Date
EP3182022A1 EP3182022A1 (de) 2017-06-21
EP3182022B1 true EP3182022B1 (de) 2019-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16202116.6A Active EP3182022B1 (de) 2015-12-14 2016-12-05 Ausseneinheit einer klimaanlage sowie klimaanlage

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EP (1) EP3182022B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110030633A (zh) * 2019-04-17 2019-07-19 青岛海尔空调器有限总公司 一种空调室外机和空调器
CN110030631A (zh) * 2019-04-17 2019-07-19 青岛海尔空调器有限总公司 一种空调室外机和空调器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001272134A (ja) * 2000-03-29 2001-10-05 Yanmar Diesel Engine Co Ltd ヒートポンプのハイブリッド構成
JP2002228295A (ja) 2001-01-31 2002-08-14 Mitsubishi Heavy Ind Ltd ガスヒートポンプ式空気調和装置
JP4622296B2 (ja) * 2004-04-26 2011-02-02 アイシン精機株式会社 複合動力源ヒートポンプ式空調装置
JP6284077B2 (ja) * 2014-02-14 2018-02-28 パナソニックＩｐマネジメント株式会社 空気調和機の室外ユニット

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EP3182022A1 (de) 2017-06-21

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