WO2013094049A1 - ヒートポンプ式の熱源機 - Google Patents

ヒートポンプ式の熱源機 Download PDF

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Publication number
WO2013094049A1
WO2013094049A1 PCT/JP2011/079758 JP2011079758W WO2013094049A1 WO 2013094049 A1 WO2013094049 A1 WO 2013094049A1 JP 2011079758 W JP2011079758 W JP 2011079758W WO 2013094049 A1 WO2013094049 A1 WO 2013094049A1
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WO
WIPO (PCT)
Prior art keywords
heat
heat source
air
heat pump
heat exchanger
Prior art date
Application number
PCT/JP2011/079758
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
緒方　正実
大地 石川
圭一郎 塩谷
Original Assignee
株式会社日本イトミック
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 株式会社日本イトミック filed Critical 株式会社日本イトミック
Priority to KR1020147015960A priority Critical patent/KR101604322B1/ko
Priority to CN201180075660.0A priority patent/CN104011473B/zh
Priority to PCT/JP2011/079758 priority patent/WO2013094049A1/ja
Priority to JP2013550023A priority patent/JP5812365B2/ja
Publication of WO2013094049A1 publication Critical patent/WO2013094049A1/ja

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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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
    • 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
    • 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
    • F24F1/60—Arrangement or mounting of the outdoor unit
    • F24F1/68—Arrangement of multiple separate outdoor units

Definitions

  • the present invention relates to a heat pump type heat source device used for a hot water supply device, an air conditioner, a refrigeration device and the like.
  • a heat pump cycle is incorporated in a rectangular parallelepiped casing 101 as shown in FIGS. 14 (a) and 14 (b).
  • a compressor 103 that compresses the refrigerant
  • a water heat exchanger 104 that performs heat exchange between water and the refrigerant
  • an expansion valve 105 that expands the refrigerant
  • a pair of air heat exchangers 106 and 106 and a blower 107 that are parallel to each other are disposed on the top of the housing 101.
  • the heat source devices 100 are installed at a predetermined interval so that the air sucked from the blower 107 can be easily taken in from the parallel side surfaces of the housing. As described above, when the heat source devices 100 are installed with a predetermined interval, the installation space is increased, and the installation location is limited.
  • the heat source apparatus 100 includes water heat exchangers 106, 106 arranged in a V shape on the upper part of a lower casing 101 ⁇ / b> A having a rectangular shape in front view.
  • both ends of the lower casing 101A protrude from the lower part of the heat exchangers 106 and 106, the velocity distribution of the air passing through the heat exchangers 106 and 106 is deteriorated. There was a problem to do. In other words, both ends of the lower casing 101A are obstructed by the air passing through the lower portions of the heat exchangers 106 and 106, and there is a drawback that air is liable to stay. As a result, the lower part of the heat exchanger tends to have lower heat exchange efficiency than the upper part.
  • the casing has an X shape (constricted drum shape) in front view and rear view. That is, the housing is provided continuously on the lower surface of the heat exchange chamber and the heat exchange chamber formed with the air suction ports on both side surfaces and inclined so as to reduce the width of the both side surfaces downward, The machine room is formed by inclining so that the widths of both side surfaces expand downward.
  • a pair of air heat exchangers are attached in a V shape.
  • the heat source device described in Patent Document 1 has a drum shape with a constricted casing, when a plurality of drum-shaped heat source devices are provided side by side, there is a diamond-shaped space between both heat source devices. Since it is formed, it is possible to take air from this space into the enclosure.
  • the present invention has been made in view of the above points, and provides a heat pump type heat source apparatus that can improve the heat exchange efficiency of an air heat exchanger and can easily perform maintenance and inspection work on heat pump components. For the purpose.
  • the solution provided by the present invention is a heat pump type heat source device in which heat pump components such as a heat exchanger for air, a compressor and a heat exchanger are accommodated in the housing.
  • An upper housing formed to be inclined so that the width is reduced toward the lower housing, and a lower housing provided continuously on the lower surface of the upper housing.
  • the air heat exchanger is attached to the upper housing.
  • the width of the lower casing is set to be smaller than the width of the upper casing, and the difference between the width of the upper casing and the width of the lower casing is set to 400 mm or more. There is to be.
  • the heat source device of the present invention is installed with the upper portions of the heat source devices in contact with each other, a space can be formed between the two due to its structure, so that a space for taking in air can be secured between the heat source devices. Further, since the difference between the width of the upper housing and the width of the lower housing is set to 400 mm or more, a sufficient space for an operator to enter between the heat source machines can be secured. As a result, this space can be used to easily and quickly perform maintenance and inspection work for the heat pump components housed in the lower housing.
  • the width length of the upper housing and the width of the lower housing are the lengths in the direction in which the heat source devices are provided, and are the maximum lengths in the respective width directions. Therefore, when a plurality of heat pump type heat source machines are installed, the interval between the lower housings of each heat source machine can be set to 400 mm or more.
  • the present invention relates to a heat pump type heat source machine in which heat pump components such as a heat exchanger for air, a compressor and a heat exchanger are accommodated in a housing, and the width of the housing is reduced with both side surfaces facing downward.
  • heat pump components such as a heat exchanger for air, a compressor and a heat exchanger are accommodated in a housing, and the width of the housing is reduced with both side surfaces facing downward.
  • An upper casing formed so as to be inclined, and a lower casing provided continuously on the lower surface of the upper casing.
  • the air heat exchanger is attached to the upper casing, and the lower casing
  • the width of the body is set to be smaller than the width of the upper casing, a plurality of heat pump heat source machines are installed, and the interval between the lower casings is set to a certain value or more.
  • a plurality of the heat pump type heat source machines are installed, a space for an operator to enter the heat pump type heat source machine is secured, and a rectangular opening is formed between the lower housings in the space. Heat pump type heat source machine.
  • the present invention can improve the heat exchange efficiency of the air heat exchanger and can easily perform maintenance and inspection work for the heat pump components.
  • FIG. 1 is a perspective view showing a state in which a plurality of heat pump heat source units according to an embodiment of the present invention are provided.
  • FIG. 2 is a front view showing a state in which a plurality of the heat source devices are provided side by side.
  • FIG. 3 is a front sectional view of the heat source machine.
  • FIG. 4 is a side sectional view of the heat source device.
  • FIG. 5 is a plan sectional view of the heat source machine.
  • FIG. 6 is a plan view of the heat source machine.
  • FIG. 7 is a front view of the heat source apparatus of the present invention used in the wind speed experiment.
  • FIG. 8 is a front view showing an air heat exchanger of the heat source device.
  • FIGS. 1 is a perspective view showing a state in which a plurality of heat pump heat source units according to an embodiment of the present invention are provided.
  • FIG. 2 is a front view showing a state in which a plurality of the heat source devices are provided side by side.
  • FIGS. 9A to 9D are diagrams respectively showing the results of wind speed experiments using the heat source apparatus of the present invention.
  • FIG. 10 is a front view of a conventional heat source machine used in the wind speed experiment.
  • FIG. 11 is a front view showing an air heat exchanger of the heat source device.
  • FIGS. 12A and 12B are diagrams respectively showing the results of wind speed experiments using a conventional heat source machine.
  • FIG. 13 shows other embodiment of a water heat exchanger, (a) is a top view, (b) is sectional drawing which shows the principal part.
  • 14A and 14B show a conventional heat source machine, where FIG. 14A is a plan sectional view and FIG. 14B is a front sectional view.
  • FIG. 15 is a front view showing a conventional heat source machine.
  • FIG. 1 to 6 show an embodiment of a heat pump heat source apparatus of the present invention used for, for example, a hot water supply apparatus and a cold water supply apparatus.
  • the heat pump type heat source unit 1 is illustrated as having three units. However, the heat pump type heat source unit 1 can be installed with a plurality of other units such as two units and four units. is there.
  • the heat pump type heat source unit 1 is configured by incorporating a heat pump cycle composed of heat pump components in a housing 2.
  • the housing 2 includes an upper heat exchange chamber (upper housing) 20 and a lower machine chamber (lower housing) 21.
  • the lower casing 21 is obtained by attaching front and rear left and right side walls 21b, 21c and 21d to a rectangular parallelepiped frame 21a.
  • a compressor 3 for compressing the refrigerant a water heat exchanger 5 as a heat exchanger for performing heat exchange between water and the refrigerant, and a refrigerant
  • An expansion valve (not shown), an inverter 9, an accumulator 8, and a control box 10 are accommodated.
  • the water heat exchanger 5 employs, for example, a water heat exchanger in which a refrigerant channel and a water channel are formed by winding an inner / outer double pipe 5a in a coil shape. As shown in FIGS. 3 and 5, the water heat exchanger 5 is provided side by side on the side surface of the control box 10.
  • the inner and outer double pipes 5a are provided along the longitudinal direction of the lower casing 21 (the front-rear direction of the lower casing 21). That is, the inner / outer duplex pipe 5a includes a pair of straight portions 5b and 5b along the longitudinal direction of the lower housing 21, and arc portions 5c and 5c that connect both ends of the straight portions 5b and 5b.
  • the width of the water heat exchanger 5 (interval between the straight portions 5b and 5) can be reduced, so the installation space is reduced.
  • the water heat exchanger 5 a conventionally known one in which a refrigerant flow path and a water flow path are formed by stacking a large number of metal plates can be employed. Since the water heat exchanger 5 is composed of a large number of metal plates, it can be configured in a small size.
  • the upper housing 20 is obtained by attaching front and rear walls 20b and 20c and a top wall 20d to a frame 20a. Both side surfaces of the upper housing 20 are provided in an inclined shape (V-shaped) so as to be opened and the width length gradually decreases downward. A pair of air heat exchangers 7 and 7 arranged in a V shape so as to close the openings are attached to both side surfaces.
  • a blower 26 made of a fan is provided at an air outlet 25 formed on the top wall 20d of the upper housing 20 and above the air heat exchangers 7 and 7. Therefore, the air sucked from both sides of the upper housing 20 by the blower 26 passes through the air heat exchangers 7 and 7 and is discharged above the upper housing 20.
  • the width W2 of the lower casing 21 is set to be shorter than the width W1 of the top wall 20d of the upper casing 20.
  • the width length W1 of the top wall 20d of the upper housing 20 and the width length W2 of the lower housing 21 are the lengths in the direction in which the heat source device 1 is provided, and are the maximum lengths in the respective width directions.
  • the lower casing 21 has an equal upper and lower width length W2 and is rectangular in a front view.
  • the upper housing 20 and the lower housing 21 are formed in a rectangular shape in a plan view, and the width W1 of the top wall 20 d of the upper housing 20 and the width of the lower housing 21.
  • the difference from W2 (W1-W2) is set to 400 mm or more (a certain value or more).
  • the lower housing 21 is provided at the center position in the width direction of the upper housing 20.
  • the upper casing 20 is shaped so that the width is narrowed downward, and the width of the lower surface of the upper casing 20 and the width W2 of the upper surface of the lower casing 21 are set to be equal to each other.
  • the body 2 is Y-shaped in front view and back view.
  • the short sides of the upper casing 20 and the lower casing 21 are illustrated as having a width, and the air heat exchangers 7 and 7 are disposed on the long sides of the upper casing 20, Conversely, the long sides of the upper housing 20 and the lower housing 21 may be wide, and the air heat exchangers 7 and 7 may be disposed on the short side of the upper housing 20.
  • the upper edges of the upper housings 20 of the heat pump heat source machines 1 adjacent to each other are in contact with or close to each other, and the interval L3 between the lower housings 21 is set to 400 mm or more.
  • the interval L3 of the lower casing 21 is set to 400 mm or more.
  • maintenance and inspection work of heat pump components such as the compressor 3 and the water heat exchanger 5 housed in the lower casing 21 are performed.
  • An optimum space (space) K is secured for an operator to enter between the housings and to draw out the lower housing 21 from the heat pump components. That is, a rectangular opening such as a substantially rectangular shape or a square shape is formed between the lower housings 21 in the space K. Moreover, the opening of this shape is formed over the entire length of the space K.
  • the heat pump type heat source device 1 of the present embodiment has the above configuration, and next, a case where the heat source device 1 is used will be described.
  • the blower 26 absorbs heat from the atmosphere, collects atmospheric heat in the air heat exchanger 7, and transfers the heat to the refrigerant.
  • the refrigerant that has reached a high temperature is compressed by the compressor 3 to a higher temperature.
  • the heat of the refrigerant having reached a high temperature is transferred to water by the water heat exchanger 5 to boil the hot water.
  • the refrigerant that has lost heat is sent to the air heat exchanger 7 again through the expansion valve.
  • a four-way valve (not shown) is switched so that the refrigerant compressed by the compressor 3 can exchange heat for each air. Flows into the vessel 7. On the other hand, the air sucked from the side of the housing 2 is heated by exchanging heat with the high-temperature refrigerant flowing through the air heat exchanger 7 by the function of the blower 26 and passing through the air heat exchanger 7. Discharged outside.
  • the space K is secured between the heat source units 1, so that the heat source unit 1 becomes an obstacle.
  • the air can be sufficiently taken into the heat exchanger 7 for air through the space K smoothly. Therefore, heat exchange of the air heat exchangers 7 and 7 of each heat source apparatus 1 can be performed efficiently.
  • the space K secured between the heat source devices 1 is between the lower housings 21. Since the width is set to be the same in the vertical direction, a sufficient space for the operator to enter between the heat source units 1 can be secured unlike the conventional heat source unit whose width expands downward in the machine room. Therefore, the operator can enter the space K secured between the heat source units 1 and attach and detach the side wall 21d of the lower housing 21 to easily and quickly perform the maintenance and inspection of the parts.
  • FIG. 8 shows the air heat exchanger 7 attached to the heat source units 1A, 1B and 1C of the present embodiment.
  • the air heat exchanger 7 is composed of 20 modules 7a having 1 to 4 rows and A to E columns. Similar air heat exchangers 7 and 7 are attached to the left and right side surfaces of the heat source units 1A, 1B, and 1C.
  • FIG. 7 shows the ventilation measurement result of the air which operates the air blower 26 and passes the heat exchanger 7 for air.
  • (a) shows the wind speed value of each module 7a on the left side surface of the open side heat source machine (the left end side heat source machine shown in FIG. 7) 1A.
  • (B) shows the wind speed value of each module 7a on the right side surface of the open-side heat source unit 1A.
  • (C) shows the wind speed value of each module 7a on the left side surface of the center side heat source unit 1B.
  • D shows the wind speed value of each module 7a on the right side surface of the center side heat source unit 1B.
  • the conventional heat source apparatus 100 shown in FIG. 114 is installed at a predetermined interval.
  • the air heat exchanger 106 is composed of nine modules 106a having 1 to 3 rows and A to C columns.
  • FIG. 1 shows the ventilation measurement result of the air which passes the heat exchanger 106 for air of the conventional heat source apparatus 100.
  • (a) shows the wind speed value of each module 106a on the left side surface of the heat source apparatus 100.
  • the area of the heat exchanger 7 for air of the heat source apparatus 1 of the present embodiment is approximately twice as large as the area (capacity system) of the heat exchanger 106 of the conventional heat source apparatus 100.
  • the average air volume of each air heat exchanger 7 of the heat source apparatus 1 of the present embodiment is twice or more the average air volume of the air heat exchanger 106 of the conventional heat source apparatus 100.
  • the water heat exchanger 5 can also be composed of a plurality of inner and outer coils as shown in FIG.
  • the inner / outer duplex tube 5a is composed of an outer coil 5A and an inner coil 5B.
  • the inner coil 5B is disposed inside the outer coil 5A serving as a space, as compared with the conventional case shown in FIG. This makes it possible to effectively use the installation space. Further, the length of the heat exchange coil can be increased, and the heat exchange efficiency can be improved.
  • the water heat exchanger 5 can also employ a multi-tube type water heat exchanger. That is, the multiple tube 5D is composed of a long outer tube 5D1 and a plurality of inner tubes 5D2 provided in the outer tube 5D1, and these inner and outer tubes are wound in a coil shape. A refrigerant flow path is formed by the inner pipe 5D2, and a water flow path is formed by a space between the inner pipes 5D2 and a space between the inner pipe 5D2 and the outer pipe 5D1. Even if the water heat exchanger 5 is small, the heat exchange efficiency is good, so that the space can be reduced.
  • the water heat exchanger 5 has four or five stages. It may be a plurality of other stages such as, or a single unit.
  • the water heat exchanger 5 can be installed above the compressor 3 in consideration of the installation space so as not to be bulky in the width direction of the lower housing 21.
  • the air heat exchangers 7 and 7 of the heat source devices 1A, 1B, and 1C are illustrated with an inclination angle ⁇ of 11 °.
  • the inclination angle ⁇ is the air heat exchanger 7, It can be set arbitrarily depending on the height of 7 (length in the vertical direction) and the like, preferably 10 to 45 °, and more preferably 15 to 20 °.
  • This embodiment may constitute an air conditioner, a refrigerator, a refrigeration apparatus, etc. in addition to the heat pump hot water supply apparatus.
  • the present invention is useful for a heat pump type heat source device used in a hot water supply device, an air conditioner, a refrigeration device, or the like.
  • a heat pump type heat source device used in a hot water supply device, an air conditioner, a refrigeration device, or the like.
  • it is possible to improve the heat exchange efficiency of the air heat exchanger and to easily perform maintenance and inspection work on the heat pump components.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Other Air-Conditioning Systems (AREA)
PCT/JP2011/079758 2011-12-22 2011-12-22 ヒートポンプ式の熱源機 WO2013094049A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020147015960A KR101604322B1 (ko) 2011-12-22 2011-12-22 히트 펌프식 열원기
CN201180075660.0A CN104011473B (zh) 2011-12-22 2011-12-22 热泵式热源机
PCT/JP2011/079758 WO2013094049A1 (ja) 2011-12-22 2011-12-22 ヒートポンプ式の熱源機
JP2013550023A JP5812365B2 (ja) 2011-12-22 2011-12-22 ヒートポンプ式の熱源機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/079758 WO2013094049A1 (ja) 2011-12-22 2011-12-22 ヒートポンプ式の熱源機

Publications (1)

Publication Number Publication Date
WO2013094049A1 true WO2013094049A1 (ja) 2013-06-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/079758 WO2013094049A1 (ja) 2011-12-22 2011-12-22 ヒートポンプ式の熱源機

Country Status (4)

Country Link
JP (1) JP5812365B2 (zh)
KR (1) KR101604322B1 (zh)
CN (1) CN104011473B (zh)
WO (1) WO2013094049A1 (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016523351A (ja) * 2013-07-01 2016-08-08 トレイン・インターナショナル・インコーポレイテッド 空調屋外ユニット
EP3081870A1 (en) * 2015-04-17 2016-10-19 Daikin Europe N.V. Air conditioner
WO2016199238A1 (ja) * 2015-06-10 2016-12-15 三菱電機株式会社 冷凍サイクル装置及び冷凍サイクルシステム
JPWO2015189948A1 (ja) * 2014-06-12 2017-04-20 三菱電機株式会社 冷凍サイクル装置
WO2020035945A1 (ja) * 2018-08-17 2020-02-20 三菱電機株式会社 フリークーリングユニット
EP4012295A4 (en) * 2019-08-07 2022-08-17 Mitsubishi Electric Corporation REFRIGERATION UNIT AND REFRIGERATION UNIT SYSTEM

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
CN109210312B (zh) * 2018-10-26 2023-12-01 佛山市人居环保工程有限公司 一种二级均风装置

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JP2007163017A (ja) * 2005-12-13 2007-06-28 Toyo Kiyaria Kogyo Kk 熱交換ユニット
JP2012013302A (ja) * 2010-06-30 2012-01-19 Nippon Itomic Co Ltd ヒートポンプ式の熱源機

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JPH02187577A (ja) * 1989-01-12 1990-07-23 Mitsubishi Electric Corp 空冷凝縮器
JP2007163017A (ja) * 2005-12-13 2007-06-28 Toyo Kiyaria Kogyo Kk 熱交換ユニット
JP2012013302A (ja) * 2010-06-30 2012-01-19 Nippon Itomic Co Ltd ヒートポンプ式の熱源機

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016523351A (ja) * 2013-07-01 2016-08-08 トレイン・インターナショナル・インコーポレイテッド 空調屋外ユニット
JPWO2015189948A1 (ja) * 2014-06-12 2017-04-20 三菱電機株式会社 冷凍サイクル装置
EP3081870A1 (en) * 2015-04-17 2016-10-19 Daikin Europe N.V. Air conditioner
WO2016199238A1 (ja) * 2015-06-10 2016-12-15 三菱電機株式会社 冷凍サイクル装置及び冷凍サイクルシステム
JPWO2016199238A1 (ja) * 2015-06-10 2017-12-21 三菱電機株式会社 冷凍サイクルシステム
EP3309475A4 (en) * 2015-06-10 2018-08-08 Mitsubishi Electric Corporation Refrigeration cycle device and refrigeration cycle system
WO2020035945A1 (ja) * 2018-08-17 2020-02-20 三菱電機株式会社 フリークーリングユニット
JPWO2020035945A1 (ja) * 2018-08-17 2021-04-30 三菱電機株式会社 フリークーリングユニット
EP4012295A4 (en) * 2019-08-07 2022-08-17 Mitsubishi Electric Corporation REFRIGERATION UNIT AND REFRIGERATION UNIT SYSTEM

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Publication number Publication date
KR20140101363A (ko) 2014-08-19
CN104011473B (zh) 2018-02-09
JP5812365B2 (ja) 2015-11-11
KR101604322B1 (ko) 2016-03-17
JPWO2013094049A1 (ja) 2015-04-27
CN104011473A (zh) 2014-08-27

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