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WO2010095470A1 - Heat exchanger, outdoor unit, and freezer device - Google Patents

Heat exchanger, outdoor unit, and freezer device Download PDF

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Publication number
WO2010095470A1
WO2010095470A1 PCT/JP2010/001210 JP2010001210W WO2010095470A1 WO 2010095470 A1 WO2010095470 A1 WO 2010095470A1 JP 2010001210 W JP2010001210 W JP 2010001210W WO 2010095470 A1 WO2010095470 A1 WO 2010095470A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
casing
air
outdoor unit
heat
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.)
Ceased
Application number
PCT/JP2010/001210
Other languages
French (fr)
Japanese (ja)
Inventor
石田好人
岩崎圭志
正木謙一
杉本英夫
東義康
森井祥二
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to EP10743599A priority Critical patent/EP2402665A1/en
Priority to US13/202,660 priority patent/US20110303396A1/en
Priority to CN201080008652XA priority patent/CN102317701A/en
Publication of WO2010095470A1 publication Critical patent/WO2010095470A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • 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
    • F24F1/60—Arrangement or mounting of the outdoor unit
    • F24F1/68—Arrangement of multiple 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • the present invention relates to a heat exchanger, an outdoor unit including the heat exchanger, and a refrigeration apparatus including the outdoor unit, and particularly relates to a heat exchanger structure.
  • Patent Document 1 a large chiller apparatus disposed on the roof of a building is known.
  • an outdoor unit (a) of a heat pump chiller is known.
  • the outdoor unit (a) is arranged in a substantially rectangular parallelepiped box (c) having air suction ports (b) on opposite sides, and the air suction port (b).
  • the heat exchanger (d) of the outdoor unit (a) in the conventional heat pump chiller was arranged to constitute a flat side surface of the casing (c).
  • the outdoor unit (a) may be installed side by side in parallel, or may be installed adjacent to a wall or the like. In this case, it is necessary to secure a predetermined space around the outdoor unit (a) in order to take air into the heat exchanger (d).
  • the present invention has been made in view of such points, and an object of the present invention is to increase the size of the heat exchanger without increasing the area occupied when the heat exchanger is provided.
  • the first heat exchanger is disposed on both side surfaces of the casing (11), and extends along the side surface of the casing (11).
  • the first heat exchanger body (21) and the second heat exchanger body (23) form an obtuse apex (20a) whose central portion is located outside the casing (11) in plan view.
  • air outside the casing (11) passes through the heat exchanger body (21, 23) from the outside of each heat exchanger body (21, 23) and enters the inside of the casing (11). Flowing.
  • the air flowing in the casing (11) passes between the heat exchanger main bodies (21, 23) and the refrigerant flowing through the heat exchanger main bodies (21, 23). Perform heat exchange at.
  • the first heat exchange part (22) and the second heat exchange part (24) in the first heat exchanger are configured independently of each other.
  • the first heat exchanging portion (22) and the second heat exchanging portion (24) of each heat exchanger body (21, 23) are close to each other at the end portions (22b, 24b) forming the top portion (20a). Are arranged to be.
  • the air outside the casing (11) flows through the first heat exchange sections (22) and the second heat exchange sections (24) and into the casing (11). And when the said air passes each 1st heat exchange part (22) and each 2nd heat exchange part (24), each said 1st heat exchange part (22) and each 2nd heat exchange part (24 ) To exchange heat with the refrigerant circulating inside.
  • the third heat exchanger includes a first heat exchanger body (21) and a second heat exchanger body (23) in the second heat exchanger, the first heat exchanger body (21).
  • the end portions (22a, 24a) and the end portions (22a, 24a) of the second heat exchanger body (23) are arranged so as to have a predetermined interval.
  • the heat exchange sections (22, 24) of the first heat exchanger body (21) and the heat exchange sections (22, 24) of the second heat exchanger body (23) Maintenance work in the casing (11) is performed from between the ends (22a, 24a).
  • the first outdoor unit also includes a casing (11) and any one of the first to third heat exchangers (20).
  • air outside the casing (11) flows from the outside of each heat exchanger body (21, 23) to the inside of the casing (11) through the heat exchanger body (21, 23). .
  • the air flowing in the casing (11) passes between the heat exchanger main bodies (21, 23) and the refrigerant flowing through the heat exchanger main bodies (21, 23). Perform heat exchange at.
  • the second outdoor unit includes the casing (11) and the heat exchanger (20) in the first outdoor unit to form a single outdoor unit body (1B).
  • a plurality of machine bodies (1B) are arranged in parallel in the width direction.
  • a predetermined interval is secured between the plurality of outdoor unit bodies (1B), and the heat exchanger (20) is enlarged.
  • the third outdoor unit is surrounded by the first heat exchanger body (21) and the second heat exchanger body (23) in the casing (11).
  • a blower mechanism (13) for supplying air to the first heat exchanger body (21) and the second heat exchanger body (23) is provided in the region.
  • the blower mechanism (13) takes air outside the casing (11) into the casing (11) through the first heat exchanger body (21) and the second heat exchanger body (23). The air blowing mechanism (13) releases the air taken into the casing (11) to the casing (11).
  • the fourth outdoor unit is configured such that, in any one of the first to third outdoor units, each of the outdoor units is disposed outside the first heat exchanger body (21) and the second heat exchanger body (23).
  • An air guide (35) for sending air to the heat exchanger body (21, 23) is provided.
  • air outside the casing (11) is guided by the air guide (35), passes through the first heat exchanger body (21) and the second heat exchanger body (23), and the casing (11 ).
  • the refrigeration apparatus includes any one of the first to fourth outdoor units (1A).
  • the first heat exchange part (22) and the second heat exchange part (24) in each heat exchanger body (21, 23) are independent from each other. Attaching work can be facilitated.
  • the edge part (22a, 24a) of a 1st heat exchanger main body (21) and the edge part (22a, 24a) of a 2nd heat exchanger main body (23) exist. Since there is a predetermined interval, maintenance work can be performed from this gap. As a result, maintainability can be improved.
  • the first heat exchanger body (21) and the second heat exchanger body (23) and the first heat exchange section (22) extending in the outer direction of the casing (11) and the first heat exchanger body (21). Since the two heat exchange sections (24) are provided, it is possible to increase the size of the heat exchanger (20) while ensuring a predetermined space around the outdoor unit.
  • the installation area of the outdoor unit body (1B) can be reduced even if the heat exchanger (20) is enlarged. Air can be supplied to the heat exchanger (20) without increasing the total area (occupied area) with the interval between the two outdoor unit bodies (1B). Thereby, a heat exchanger (20) can be enlarged using the space
  • the air blowing mechanism (13) is provided in the casing (11) in the region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23).
  • the air outside the casing (11) can be reliably supplied to the heat exchanger bodies (21, 23). Thereby, heat exchange can be performed between the supplied air and each heat exchange part (22, 24).
  • the casing is installed when a plurality of outdoor unit bodies (1B) are connected and installed.
  • the outside air of (11) can be supplied into each casing (11) without separation.
  • the heat exchanger (20) can be increased in size while ensuring a predetermined space around the outdoor unit (1A).
  • FIG. 1 is a schematic perspective view illustrating an outdoor unit of a heat pump chiller according to Embodiment 1.
  • FIG. FIG. 2 is a schematic perspective view showing the outdoor unit body of the heat pump chiller according to Embodiment 1
  • FIG. 2 (A) is a perspective view showing the appearance of the outdoor unit body
  • FIG. 2 (B) is the outdoor unit. It is a perspective view which shows the internal structure of a main body.
  • FIG. 3 is a schematic plan view of the outdoor unit according to Embodiment 1 viewed from above.
  • FIG. 4 is a schematic plan view of an outdoor unit according to Modification 1 of Embodiment 1 viewed from above.
  • FIG. 5 is a schematic plan view of an outdoor unit according to Modification 2 of Embodiment 1 as viewed from above.
  • FIG. 1 is a schematic perspective view illustrating an outdoor unit of a heat pump chiller according to Embodiment 1.
  • FIG. 2 is a schematic perspective view showing the outdoor unit body of the heat pump chiller according to
  • FIG. 6 is a schematic plan view of the outdoor unit according to the second embodiment as viewed from above.
  • FIG. 7 is a schematic plan view of the outdoor unit according to the third embodiment as viewed from above.
  • FIG. 8 is a schematic plan view of the outdoor unit according to the fourth embodiment as viewed from above.
  • FIG. 9 is a schematic perspective view showing an outdoor unit of a heat pump chiller according to a conventional example.
  • the refrigerating apparatus of Embodiment 1 constitutes a heat pump chiller (10) as shown in FIG.
  • the heat pump chiller (10) includes an outdoor unit (1A) that is installed on the roof of a building or the like and cools or heats air-conditioning water supplied into the building.
  • the outdoor unit (1A) includes three outdoor unit main bodies (1B), and the three outdoor unit main bodies (1B) are arranged in parallel in the width direction.
  • each of the heat pump chillers (10) includes a refrigerant circuit (not shown) and a casing (11) whose internal space is configured in a machine room (14).
  • the casing (11) includes an outer wall formed in a substantially hexagonal shape when the casing (11) is viewed from above, and a substantially hexagonal upper side wall (11a) formed on the upper and lower ends of the outer wall. And a lower side wall (11b).
  • the upper wall (11a) of the casing (11) is formed in a substantially hexagonal shape, and three air outlets are formed, although not shown.
  • a filter (12) that covers the air outlet from the outside of the casing (11) is attached to each air outlet.
  • a blower fan (13) is provided inside the casing (11) of the air outlet.
  • the blower fan (13) is an axial blower (for example, a propeller fan) and constitutes a blower mechanism.
  • Three air blowing fans (13) are provided corresponding to the three air outlets, respectively, and the air sucked into the casing (11) from the outside of the casing (11) is returned to the outside through the air outlet. It is configured to blow out.
  • openings are formed on the four outer wall surfaces so as to extend from the lower side wall (11b) of the casing (11) to the upper side wall (11a).
  • a heat exchanger (20) is formed in the four openings.
  • the short side of the casing (11) constitutes a front part and a back part.
  • a maintenance opening for maintaining the compressor (31) and the like in the casing (11) extends from the lower side wall (11b) of the casing (11) to the upper side wall (11a). ing.
  • a maintenance door (15) described later is provided in the maintenance opening.
  • the back part of the short side of the casing (11) is formed on the back wall (16).
  • the heat exchanger (20) is composed of four air heat exchangers (22, 22, 24, 24).
  • the air heat exchanger (22, 22, 24, 24) is fitted into each of the four openings. That is, the air heat exchangers (22, 22, 24, 24) constitute the outer wall of the casing (11).
  • the air heat exchanger (22, 22, 24, 24) is formed of a flat plate shape as shown in FIG. 3, and is composed of an air heat exchanger that extends linearly in plan view.
  • the four air heat exchangers (22, 22, 24, 24) are arranged two by two for each side surface in the longitudinal direction of the casing (11).
  • the air heat exchangers (22, 22, 24, 24) are erected from the lower side wall (11b) of the casing (11) to the upper side wall (11a).
  • Each air heat exchanger (22, 22, 24, 24) constitutes a heat exchange section.
  • two air heat exchangers (22, 24) arranged on one side surface of the long side of the casing (11) are one first.
  • Two air heat exchangers (22, 24) constituting one heat exchanger main body (21) and arranged on the other side surface of the long side of the casing (11) constitute one second heat exchanger main body (23 ).
  • the first heat exchanger body (21) is disposed on the right side of the casing (11) in FIG. 3
  • the second heat exchanger body (23) is the casing (11) in FIG.
  • the first heat exchanger body (21) and the second heat exchanger body (23) are disposed to face each other.
  • the first heat exchanger main body (21) is disposed above the casing (11) and the first air heat exchanger (22) disposed below the casing (11) in FIG. It comprises a second air heat exchanger (24).
  • the said 2nd heat exchanger main body (23) is arrange
  • the first air heat exchanger (22) and the second air heat exchanger (24) are configured independently of each other.
  • the first air heat exchanger (22) of the first heat exchanger body (21) and the first air heat exchanger (22) of the second heat exchanger body (23) are flat at the intersection on the extension line. It is arranged so as to form an acute angle when viewed visually. Then, the end (22a) of the first heat exchanger body (21) having the acute angle and the end (22a) of the second heat exchanger body (23) are spaced from each other by several tens of cm to 1 m. Exist. That is, the maintenance opening described above is formed between the ends (22a) of the two first air heat exchangers (22) having the acute angle.
  • the second air heat exchanger (24) of the first heat exchanger body (21) and the second air heat exchanger (24) of the second heat exchanger body (23) are flat at the intersection on the extension line. It is arranged so as to form an acute angle when viewed visually.
  • the end (24a) of the first heat exchanger body (21) having an acute angle and the end (24a) of the second heat exchanger body (23) are spaced from each other by several tens of cm to 1 m. Exist. That is, the back wall (16) described above is formed between the end portions (24a) of the two second air heat exchangers (24) having the acute angle.
  • the first air heat exchanger (22) and the second air heat exchanger (24) of the first heat exchanger body (21) are in a central portion of the first heat exchanger body (21) in plan view. Are arranged so as to form an obtuse apex (20a) located outside the casing (11). Further, the first air heat exchanger (22) and the second air heat exchanger (24) of the second heat exchanger body (23) are, as seen in a plan view, the second heat exchanger body (23). It arrange
  • the edge part (22b) of the 1st air heat exchanger (22) which forms the top part (20a), and the edge part (2) of a 2nd air heat exchanger (24) ( 24b) are arranged so as to be close to each other.
  • the end (22b) of the first air heat exchanger (22) and the end of the second air heat exchanger (24) (top) (20a) ( 24b) are arranged so as to be close to each other.
  • the end portion (22b) of the first air heat exchanger (22) and the end portion (24b) of the second air heat exchanger (24) are the outer walls formed in a substantially hexagonal shape in plan view. Forms one of the tops (20a).
  • the blower fan (13) is provided in a region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23) in a plan view viewed from the upper side of the casing (11). It has been.
  • the maintenance door (15) is formed as a door that can be opened and closed.
  • the maintenance door (15) is provided in the maintenance opening provided in the front portion on the short side of the casing (11) from the lower wall (11b) to the upper wall (11a) of the casing (11). It has been. Accordingly, the operator opens the maintenance door (15) and performs maintenance on the compressor (31), the water heat exchanger (32), the electrical component box (not shown), etc. in the casing (11).
  • a compressor (31) for compressing the refrigerant Inside the casing (11), there are a compressor (31) for compressing the refrigerant, a water heat exchanger (32) for temperature-controlling air conditioning water to be temperature-controlled, an expansion valve (not shown), and an electrical component box ( (Not shown) is provided.
  • a vapor compression refrigerant circuit is configured. This refrigerant circuit can cool or heat the air-conditioning water by reversibly circulating the refrigerant by switching a four-way switching valve (not shown).
  • an electrical component box accommodates an electric board, wiring, and the like for controlling the operation of the heat pump chiller (10).
  • the heat pump chiller (10) operates the blower fan (13) to remove air outside the casing (11) from the first heat exchanger body (21) and the second heat exchanger body. Take it into the casing (11) via (23). At this time, the air outside the casing (11) is a gap formed between the first heat exchanger body (21) and the second heat exchanger body (23) of the adjacent outdoor unit body (1B). To the casing (11) through the air heat exchanger (22, 22, 24, 24). When being taken in, the external air is heated by absorbing heat from the refrigerant in the air heat exchanger (22, 22, 24, 24). The air taken into the casing (11) of each outdoor unit body (1B) passes through the blower fan (13) and is discharged outside the casing (11).
  • the operation of the compressor (31) is started, and the refrigerant is compressed by the compressor (31).
  • the compressed refrigerant discharged from the compressor (31) flows into the first heat exchanger body (21) and the second heat exchanger body (23).
  • the outside air of the casing (11) is air heat exchangers (22, 23) constituting the heat exchanger bodies (21, 23).
  • the heat of the refrigerant is radiated to the air to heat the air taken into the casing (11).
  • swells with an expansion valve flows in into a water heat exchanger (32).
  • the refrigerant absorbs heat from the air conditioning water flowing in the water heat exchanger (32) to cool the air conditioning water.
  • the cooled water for air conditioning is supplied into the building.
  • the refrigerant flowing out of the water heat exchanger (32) is again sucked into the compressor (31) and compressed.
  • the operation of the compressor (31) is started, and the refrigerant is compressed by the compressor (31).
  • the compressed refrigerant discharged from the compressor (31) flows into the water heat exchanger (32).
  • the refrigerant dissipates heat to the air conditioning water flowing in the water heat exchanger (32) to heat the air conditioning water.
  • the heated water for air conditioning is supplied into the building.
  • the refrigerant flowing out of the water heat exchanger (32) is expanded by the expansion valve, and then flows into the first heat exchanger body (21) and the second heat exchanger body (23).
  • the outside air of the casing (11) is air heat exchangers (22, 23) constituting the heat exchanger bodies (21, 23).
  • the refrigerant absorbs heat from the air and cools the air taken into the casing (11).
  • the refrigerant that has flowed out of the air heat exchanger (22, 22, 24, 24) is again sucked into the compressor (31) and compressed.
  • the heat pump chiller (10) is stopped, the maintenance door (15) is opened, and the compressor (31) in the casing (11) is maintained.
  • each air heat exchanger (22 , 22, 24, 24) can be increased.
  • the heat exchanger bodies (21, 23) are arranged so that the end portions (22b, 24b) extending in the direction of the outside of the air heat exchangers (22, 22, 24, 24) are close to each other. For this reason, even if a plurality of outdoor unit bodies (1B) are arranged adjacent to each other and arranged in parallel, an air flow can be generated between adjacent outdoor unit bodies (1B). As a result, the air heat exchangers (22, 24) are enlarged using the distance between the adjacent outdoor unit bodies (1B) while ensuring the air flow to the air heat exchangers (22, 24). be able to. As a result, the heat exchanger (20) can be enlarged without increasing the occupied area when the plurality of outdoor unit bodies (1B) are arranged in parallel.
  • the casing (11) is provided with a blower fan (13) in a region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23), so that the outside of the casing (11). Can be supplied to the air heat exchangers (22, 22, 24, 24) constituting the heat exchanger bodies (21, 23). Thereby, heat exchange can be reliably performed between the supplied air and the air heat exchanger (22, 22, 24, 24).
  • the air guide plate (35) is provided outside the casing (11) of the heat pump chiller (10).
  • the air guide plate (35) is formed of a plate member formed in a flat plate shape.
  • the air guide plate (35) constitutes an air guide.
  • Two air guide plates (35) are provided between adjacent outdoor unit bodies (1B). Specifically, one air guide plate (35) is provided between the adjacent first heat exchanger body (21) and second heat exchanger body (23).
  • the air guide plate (35) for guiding the flow of air taken into the casing (11) is provided, the air outside the casing (11) is allowed to flow between the adjacent outdoor unit bodies (1B). It can be supplied without separation into each casing (11).
  • Other configurations, operations, and effects are the same as those in the first embodiment.
  • the maintenance door (40) has a predetermined thickness and is formed in a box shape having a hollow interior, while the casing (11) It is formed in the door which can be opened and closed with respect to the inside.
  • the maintenance door (40) has a lid member (not shown).
  • the maintenance door (40) is formed integrally with an electrical component box (not shown), and contains an electric board, wiring, and the like for controlling the operation of the heat pump chiller (10). That is, the maintenance door (40) corresponds to an electrical component box (not shown) housed in the casing (11) in the first embodiment.
  • the maintenance door (40) extends from the lower side wall (11b) of the casing (11) to the upper side wall (11a) in the maintenance opening provided on one side of the short side of the casing (11). Is provided.
  • the operator can open the maintenance door (40) and maintain the compressor (31), the water heat exchanger (32), etc. in the casing (11).
  • the operator can open a lid member (not shown) of the maintenance door (40), it is possible to maintain an electric board, wiring, and the like housed inside.
  • the internal space of the casing (11) can be widened. Thereby, the maintainability inside a casing (11) can be improved.
  • the maintenance door (40) formed integrally with the electrical component box (not shown) is provided, the conventional electrical component box (not shown) is installed in the internal space of the casing (11). Only space arises. Thereby, a casing (11) can be reduced in size about the space which the electrical component box (not shown) in the casing (11) occupied.
  • Other configurations, operations, and effects are the same as those in the first embodiment.
  • the second embodiment is different from the heat pump chiller (10) of the first embodiment in the end configuration of the first heat exchanger body (21) and the second heat exchanger body (23). In the second embodiment, parts different from the first embodiment will be described.
  • the heat pump chiller (10) includes the second air heat exchanger (24) and the second heat exchanger body of the first heat exchanger body (21).
  • the end (24a) of the second air heat exchanger (24) of (23) is disposed in a state of being in close contact with each other.
  • the end (24a) of the second air heat exchanger (24) between the first heat exchanger main body (21) and the second heat exchanger main body (23) is brought into contact. Therefore, the area of the second air heat exchanger (24) according to the second embodiment is larger than the area of the second air heat exchanger (24) according to the first embodiment. Thereby, the area of the air heat exchanger (24) with respect to the installation area of a casing (11) can be enlarged.
  • Other configurations, operations, and effects are the same as those in the first embodiment.
  • the air heat exchangers (22, 24) of the first heat exchanger body (21) and the second heat exchanger body (23) are compared with the heat pump chiller (10) of the first embodiment. ) End configuration is different.
  • parts different from the first embodiment will be described.
  • the heat pump chiller (10) includes a first air heat exchanger (22) and a second heat exchanger of the first heat exchanger body (21) as shown in FIG.
  • the end (22a) of the first air heat exchanger (22) of the main body (23) is disposed in close contact with each other, and the second portion of the first heat exchanger main body (21).
  • the end (24a) of the air heat exchanger (24) and the second air heat exchanger (24) of the second heat exchanger body (23) are disposed in close contact with each other.
  • a maintenance opening for maintaining the compressor (31) and the like disposed in the casing (11) is formed in the lower part of the outer wall along the longitudinal direction of the casing (11).
  • the maintenance opening is formed on the lower side of each air heat exchanger (22, 22, 24, 24) from the center in the vertical direction of the casing (11) to the lower side wall (11b). .
  • the operator maintains the compressor (31) and the like in the casing (11) from this opening.
  • the air heat exchangers (22, 24) of the first heat exchanger body (21) and the air heat exchangers (22, 24) of the second heat exchanger body (23) are Since the end portions (22a, 24a) on the sides close to each other are arranged in contact with each other, the third embodiment is more effective than the area of the air heat exchanger (22, 22, 24, 24) according to the first embodiment.
  • the area of the air heat exchanger (22, 22, 24, 24) is larger.
  • the area of the air heat exchanger (22, 22, 24, 24) of the first heat exchanger body (21) and the second heat exchanger body (23) with respect to the installation area of the casing (11) is increased.
  • the compressor (31) and the like in the casing (11) can be maintained through the maintenance opening at the bottom of the casing (11).
  • Other configurations, operations, and effects are the same as those in the first embodiment.
  • the third embodiment differs from the heat pump chiller (10) of the first embodiment in the configuration of the first heat exchanger body (21) and the second heat exchanger body (23).
  • parts different from the first embodiment will be described.
  • the first heat exchanger main body (21) and the second heat exchanger main body (23) have one air heat exchange. (25, 26).
  • each side part of the casing (11) is composed of a single air heat exchanger (25, 26).
  • Each of the air heat exchangers (25, 26) has a top portion (20a, 20a) formed by bending one air heat exchanger formed in a flat plate shape at the center.
  • you may make it form the air heat exchanger (25, 26) which concerns on this embodiment only about the surface which an adjacent casing (11, 11) opposes.
  • Other configurations, operations, and effects are the same as those in the first embodiment.
  • the present invention may have the following configurations for the first to third embodiments.
  • Embodiments 1 to 3 the three outdoor unit bodies (1B) are connected and installed.
  • the present invention can be applied to the connection and installation of two or more outdoor unit bodies (1B).
  • the present invention is useful for a refrigeration apparatus having a heat exchanger.
  • Heat pump chiller (refrigeration equipment) 1A Outdoor unit 1B Outdoor unit body 11 Casing 13 Blower fan (Blower mechanism) 20 heat exchanger 21 1st heat exchanger body 22 1st air heat exchanger (heat exchange part) 22a, 22b End 23 Second heat exchanger body 24 Second air heat exchanger (heat exchange part) 24a, 24b End 35 Air guide plate (air guide part)

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Abstract

A heat pump chiller (10) is equipped with a casing (11) which houses compressors, etc., and four plate-shaped air heat exchangers (22, 22, 24, 24) arranged on the side of the casing (11) and which extend vertically. Two air heat exchangers (22, 24) form a first heat exchanger body (21) and a second heat exchanger body (23). Each heat exchanger body (21, 23) is arranged such that the ends (22b, 24b) of the air heat exchangers (22, 22, 24, 24) in the direction that they spread outwards are brought into proximity to one another.

Description

熱交換器、室外機及び冷凍装置Heat exchanger, outdoor unit and refrigeration equipment

　　本発明は、熱交換器、該熱交換器を備えた室外機及び該室外機を備えた冷凍装置に関し、特に、熱交換器構造に係るものである。 The present invention relates to a heat exchanger, an outdoor unit including the heat exchanger, and a refrigeration apparatus including the outdoor unit, and particularly relates to a heat exchanger structure.

　　従来、冷凍装置には、特許文献１に示すように、建物の屋上に配設される大型のチラー装置が知られている。この種のチラー装置としては、図９に示すように、ヒートポンプチラーの室外機（a）が知られている。この室外機（a）は、相対向する両側に空気吸込口（b）を有する略直方体の箱状に形成されたケーシング（c）と、上記空気吸込口（b）に配置されると共に、上記ケーシング（c）の内部に配置され、正面視において、逆Ｍ字状に配置された複数の平板状の熱交換器（d）と、上記ケーシング（c）の上面に形成された空気吹出口（e）の内部に配置された送風機（f）とを備えている。 Conventionally, as a refrigeration apparatus, as shown in Patent Document 1, a large chiller apparatus disposed on the roof of a building is known. As this kind of chiller device, as shown in FIG. 9, an outdoor unit (a) of a heat pump chiller is known. The outdoor unit (a) is arranged in a substantially rectangular parallelepiped box (c) having air suction ports (b) on opposite sides, and the air suction port (b). A plurality of flat plate-shaped heat exchangers (d) disposed in the casing (c) and arranged in an inverted M shape when viewed from the front, and air outlets formed on the upper surface of the casing (c) ( a fan (f) disposed inside e).

特開２００８－２０２８５７号公報JP 2008-202857 A

　　従来のヒートポンプチラーにおける室外機（a）の熱交換器（d）は、ケーシング（c）の平坦な側面を構成するように配設されていた。一方、上記室外機（a）は、複数台を並列に並べて設置する場合や、壁等に隣接させて設置する場合がある。この場合、上記室外機（a）の周りには熱交換器（d）に対して空気を取り込むために所定間隔の空間を確保する必要がある。 The heat exchanger (d) of the outdoor unit (a) in the conventional heat pump chiller was arranged to constitute a flat side surface of the casing (c). On the other hand, the outdoor unit (a) may be installed side by side in parallel, or may be installed adjacent to a wall or the like. In this case, it is necessary to secure a predetermined space around the outdoor unit (a) in order to take air into the heat exchanger (d).

　　そして、上記熱交換器（d）の熱交換面積を大きく場合は、上述した室外機（a）の周りにおける所定間隔の空間を保ったままで、熱交換器（d）を長手方向に長くする必要がある。しかしながら、上記熱交換器（d）を長くすると、室外機（a）の設置面積と、該室外機（a）と他の室外機（a）との間の間隔などが占める面積との合計面積（占有面積）が大きくなるという問題があった。 When the heat exchange area of the heat exchanger (d) is large, it is necessary to lengthen the heat exchanger (d) in the longitudinal direction while maintaining a predetermined space around the outdoor unit (a). There is. However, when the heat exchanger (d) is lengthened, the total area of the installation area of the outdoor unit (a) and the area occupied by the interval between the outdoor unit (a) and the other outdoor unit (a) There is a problem that (occupied area) becomes large.

　　本発明は、斯かる点に鑑みてなされたものであり、熱交換器を設ける際の占有面積を大きくすることなく、熱交換器を大型化することを目的とする。 The present invention has been made in view of such points, and an object of the present invention is to increase the size of the heat exchanger without increasing the area occupied when the heat exchanger is provided.

　　先ず、第１の熱交換器は、ケーシング（11）の両側面部に配置され、且つ上記ケーシング（11）の側面部に沿って延びる第１熱交換器本体（21）と第２熱交換器本体（23）を備えている。そして、上記第１熱交換器本体（21）及び第２熱交換器本体（23）は、平面視において、中央部がケーシング（11）の外側に位置する鈍角の頂部（20a）を形成するようにケーシング（11）の外側方向に拡がる直線状の第１熱交換部（22）と第２熱交換部（24）とを備えている。 First, the first heat exchanger is disposed on both side surfaces of the casing (11), and extends along the side surface of the casing (11). The first heat exchanger body (21) and the second heat exchanger body. (23). The first heat exchanger body (21) and the second heat exchanger body (23) form an obtuse apex (20a) whose central portion is located outside the casing (11) in plan view. Are provided with a linear first heat exchanging portion (22) and a second heat exchanging portion (24) extending in the outer direction of the casing (11).

　　上記熱交換器では、ケーシング（11）の外部の空気は、各熱交換器本体（21，23）の外側から該熱交換器本体（21，23）を通過してケーシング（11）の内部に流れる。そして、上記ケーシング（11）内に流れた空気は、上記各熱交換器本体（21，23）を通過する際に、該熱交換器本体（21，23）の内部を流通する冷媒との間で熱交換を行う。 In the heat exchanger, air outside the casing (11) passes through the heat exchanger body (21, 23) from the outside of each heat exchanger body (21, 23) and enters the inside of the casing (11). Flowing. The air flowing in the casing (11) passes between the heat exchanger main bodies (21, 23) and the refrigerant flowing through the heat exchanger main bodies (21, 23). Perform heat exchange at.

　　また、第２の熱交換器は、上記第１の熱交換器における第１熱交換部（22）及び第２熱交換部（24）が互いに独立して構成されたものである。そして、上記各熱交換器本体（21，23）の第１熱交換部（22）と第２熱交換部（24）は、頂部（20a）を形成する端部（22b，24b）が互いに近接するように配置されている。 In the second heat exchanger, the first heat exchange part (22) and the second heat exchange part (24) in the first heat exchanger are configured independently of each other. The first heat exchanging portion (22) and the second heat exchanging portion (24) of each heat exchanger body (21, 23) are close to each other at the end portions (22b, 24b) forming the top portion (20a). Are arranged to be.

　　上記熱交換器では、ケーシング（11）の外部の空気が各第１熱交換部（22）及び各第２熱交換部（24）を通過してケーシング（11）の内部に流れる。そして、上記空気は、各第１熱交換部（22）及び各第２熱交換部（24）を通過する際に、該各第１熱交換部（22）及び各第２熱交換部（24）の内部を流通する冷媒との間で熱交換を行う。 In the heat exchanger, the air outside the casing (11) flows through the first heat exchange sections (22) and the second heat exchange sections (24) and into the casing (11). And when the said air passes each 1st heat exchange part (22) and each 2nd heat exchange part (24), each said 1st heat exchange part (22) and each 2nd heat exchange part (24 ) To exchange heat with the refrigerant circulating inside.

　　また、第３の熱交換器は、上記第２の熱交換器における第１熱交換器本体（21）と第２熱交換器本体（23）とが、第１熱交換器本体（21）の端部（22a，24a）と第２熱交換器本体（23）の端部（22a，24a）とが所定の間隔を存するように配置されたものである。 The third heat exchanger includes a first heat exchanger body (21) and a second heat exchanger body (23) in the second heat exchanger, the first heat exchanger body (21). The end portions (22a, 24a) and the end portions (22a, 24a) of the second heat exchanger body (23) are arranged so as to have a predetermined interval.

　　上記第３の熱交換器では、上記第１熱交換器本体（21）の各熱交換部（22，24）と第２熱交換器本体（23）の各熱交換部（22，24）の端部（22a，24a）の間からケーシング（11）内のメンテナンス作業等を行う。 In the third heat exchanger, the heat exchange sections (22, 24) of the first heat exchanger body (21) and the heat exchange sections (22, 24) of the second heat exchanger body (23) Maintenance work in the casing (11) is performed from between the ends (22a, 24a).

　　また、第１の室外機は、ケーシング（11）と、上記第１～第３の何れか１つの熱交換器（20）を備えている。 The first outdoor unit also includes a casing (11) and any one of the first to third heat exchangers (20).

　　上記室外機では、ケーシング（11）の外部の空気は、各熱交換器本体（21，23）の外側から該熱交換器本体（21，23）を通過してケーシング（11）の内部に流れる。そして、上記ケーシング（11）内に流れた空気は、上記各熱交換器本体（21，23）を通過する際に、該熱交換器本体（21，23）の内部を流通する冷媒との間で熱交換を行う。 In the outdoor unit, air outside the casing (11) flows from the outside of each heat exchanger body (21, 23) to the inside of the casing (11) through the heat exchanger body (21, 23). . The air flowing in the casing (11) passes between the heat exchanger main bodies (21, 23) and the refrigerant flowing through the heat exchanger main bodies (21, 23). Perform heat exchange at.

　　また、第２の室外機は、上記第１の室外機において、１つのケーシング（11）と１つの熱交換器（20）とを備えて１つの室外機本体（1B）が構成され、上記室外機本体（1B）の複数台が幅方向に並列に配置されたものである。 The second outdoor unit includes the casing (11) and the heat exchanger (20) in the first outdoor unit to form a single outdoor unit body (1B). A plurality of machine bodies (1B) are arranged in parallel in the width direction.

　　上記室外機では、複数台の室外機本体（1B）の間に所定の間隔が確保され、且つ熱交換器（20）が大型化する。 In the above outdoor unit, a predetermined interval is secured between the plurality of outdoor unit bodies (1B), and the heat exchanger (20) is enlarged.

　　また、第３の室外機は、上記第１または第２の室外機において、ケーシング（11）には、上記第１熱交換器本体（21）と第２熱交換器本体（23）とによって囲まれた領域に、上記第１熱交換器本体（21）と第２熱交換器本体（23）に空気を供給するための送風機構（13）が設けられたものである。 Further, in the first or second outdoor unit, the third outdoor unit is surrounded by the first heat exchanger body (21) and the second heat exchanger body (23) in the casing (11). A blower mechanism (13) for supplying air to the first heat exchanger body (21) and the second heat exchanger body (23) is provided in the region.

　　上記室外機では、送風機構（13）がケーシング（11）の外部の空気を第１熱交換器本体（21）と第２熱交換器本体（23）を介してケーシング（11）内に取り込む。そして、上記送風機構（13）はケーシング（11）に取り込んだ空気をケーシング（11）に外部に放出する。 In the outdoor unit, the blower mechanism (13) takes air outside the casing (11) into the casing (11) through the first heat exchanger body (21) and the second heat exchanger body (23). The air blowing mechanism (13) releases the air taken into the casing (11) to the casing (11).

　　また、第４の室外機は、上記第１～第３の何れか１つの室外機において、上記第１熱交換器本体（21）と第２熱交換器本体（23）の外側に、該各熱交換器本体（21，23）に空気を送るための空気案内部（35）が設けられたものである。 Further, the fourth outdoor unit is configured such that, in any one of the first to third outdoor units, each of the outdoor units is disposed outside the first heat exchanger body (21) and the second heat exchanger body (23). An air guide (35) for sending air to the heat exchanger body (21, 23) is provided.

　　上記室外機では、ケーシング（11）の外部の空気が空気案内部（35）に案内されて第１熱交換器本体（21）と第２熱交換器本体（23）を通過し、ケーシング（11）内に取り込まれる。 In the outdoor unit, air outside the casing (11) is guided by the air guide (35), passes through the first heat exchanger body (21) and the second heat exchanger body (23), and the casing (11 ).

　　また、本冷凍装置は、上記第１～第４の何れか１つの室外機（1A）を備えている。 In addition, the refrigeration apparatus includes any one of the first to fourth outdoor units (1A).

　　上記第１の熱交換器によれば、第１熱交換器本体（21）及び第２熱交換器本体（23）がケーシング（11）の外側方向に拡がる第１熱交換部（22）と第２熱交換部（24）とを備えているので、各熱交換器本体（21，23）に空気を供給するのに要する間隔（空間）を利用して各熱交換器本体（21，23）を大型化することができる。 According to the first heat exchanger, the first heat exchanger main body (21) and the second heat exchanger main body (23) and the first heat exchanging portion (22) extending in the outer direction of the casing (11) and the first heat exchanger 2Equipped with two heat exchangers (24), each heat exchanger body (21,23) using the space (space) required to supply air to each heat exchanger body (21,23) Can be enlarged.

　　また、上記第２の熱交換器によれば、各熱交換器本体（21，23）における第１熱交換部（22）及び第２熱交換部（24）が互いに独立しているので、組付作業の容易化を図ることができる。 Further, according to the second heat exchanger, the first heat exchange part (22) and the second heat exchange part (24) in each heat exchanger body (21, 23) are independent from each other. Attaching work can be facilitated.

　　また、上記第３の熱交換器によれば、第１熱交換器本体（21）の端部（22a，24a）と第２熱交換器本体（23）の端部（22a，24a）とが所定の間隔を存するので、この隙間からメンテナンス作業を行うことができる。この結果、メンテナンス性を向上させることができる。 Moreover, according to the said 3rd heat exchanger, the edge part (22a, 24a) of a 1st heat exchanger main body (21) and the edge part (22a, 24a) of a 2nd heat exchanger main body (23) exist. Since there is a predetermined interval, maintenance work can be performed from this gap. As a result, maintainability can be improved.

　　また、第１の室外機によれば、第１熱交換器本体（21）及び第２熱交換器本体（23）がケーシング（11）の外側方向に拡がる第１熱交換部（22）と第２熱交換部（24）とを備えているので、室外機の周りの所定空間を確保しつつ熱交換器（20）の大型化を図ることができる。 Further, according to the first outdoor unit, the first heat exchanger body (21) and the second heat exchanger body (23) and the first heat exchange section (22) extending in the outer direction of the casing (11) and the first heat exchanger body (21). Since the two heat exchange sections (24) are provided, it is possible to increase the size of the heat exchanger (20) while ensuring a predetermined space around the outdoor unit.

　　また、第２の室外機によれば、複数の室外機本体（1B）を並列に配置しているので、熱交換器（20）を大型化しても、室外機本体（1B）の設置面積と、２台の室外機本体（1B）の間の間隔との合計面積（占有面積）を大きくすることなく、熱交換器（20）に対して空気を供給することができる。これにより、熱交換器（20）への空気流れを確保しつつ該熱交換器（20）の外側の間隔（空間）を利用して熱交換器（20）を大型化することができる。この結果、室外機本体（1B）を設置する際の占有面積を大きくすることなく、熱交換器（20）を大型化することができる。 In addition, according to the second outdoor unit, since the plurality of outdoor unit bodies (1B) are arranged in parallel, the installation area of the outdoor unit body (1B) can be reduced even if the heat exchanger (20) is enlarged. Air can be supplied to the heat exchanger (20) without increasing the total area (occupied area) with the interval between the two outdoor unit bodies (1B). Thereby, a heat exchanger (20) can be enlarged using the space | interval (space) outside this heat exchanger (20), ensuring the air flow to a heat exchanger (20). As a result, the heat exchanger (20) can be enlarged without increasing the occupation area when installing the outdoor unit main body (1B).

　　また、第３の室外機によれば、ケーシング（11）に、第１熱交換器本体（21）と第２熱交換器本体（23）とが囲む領域に送風機構（13）を設けたために、ケーシング（11）の外部の空気を各熱交換器本体（21，23）に確実に供給することができる。これにより、供給した空気と各熱交換部（22，24）との間で熱交換を行うことができる。 Further, according to the third outdoor unit, the air blowing mechanism (13) is provided in the casing (11) in the region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23). The air outside the casing (11) can be reliably supplied to the heat exchanger bodies (21, 23). Thereby, heat exchange can be performed between the supplied air and each heat exchange part (22, 24).

　　また、上記第４の室外機（1A）によれば、ケーシング（11）の外部に空気案内部（35）を設けたために、複数台の室外機本体（1B）を連結設置した場合に、ケーシング（11）の外部の空気を各ケーシング（11）内へ隔たりなく供給することができる。 In addition, according to the fourth outdoor unit (1A), since the air guide part (35) is provided outside the casing (11), the casing is installed when a plurality of outdoor unit bodies (1B) are connected and installed. The outside air of (11) can be supplied into each casing (11) without separation.

　　また、本冷凍装置によれば、室外機（1A）の周りの所定空間を確保しつつ熱交換器（20）の大型化を図ることができる。 In addition, according to the present refrigeration apparatus, the heat exchanger (20) can be increased in size while ensuring a predetermined space around the outdoor unit (1A).

図１は、実施形態１に係るヒートポンプチラーの室外機を示す概略斜視図である。1 is a schematic perspective view illustrating an outdoor unit of a heat pump chiller according to Embodiment 1. FIG. 図２は、実施形態１に係るヒートポンプチラーの室外機本体を示す概略斜視図であって、図２（A）は室外機本体の外観を示す斜視図であり、図２（B）は室外機本体の内部構造を示す斜視図である。FIG. 2 is a schematic perspective view showing the outdoor unit body of the heat pump chiller according to Embodiment 1, FIG. 2 (A) is a perspective view showing the appearance of the outdoor unit body, and FIG. 2 (B) is the outdoor unit. It is a perspective view which shows the internal structure of a main body. 図３は、実施形態１に係る室外機を上方側から観た概略平面図である。FIG. 3 is a schematic plan view of the outdoor unit according to Embodiment 1 viewed from above. 図４は、実施形態１の変形例１に係る室外機を上方側から観た概略平面図である。FIG. 4 is a schematic plan view of an outdoor unit according to Modification 1 of Embodiment 1 viewed from above. 図５は、実施形態１の変形例２に係るの室外機を上方側から観た概略平面図である。図は、FIG. 5 is a schematic plan view of an outdoor unit according to Modification 2 of Embodiment 1 as viewed from above. The figure 図６は、実施形態２に係る室外機を上方側からた観た概略平面図である。FIG. 6 is a schematic plan view of the outdoor unit according to the second embodiment as viewed from above. 図７は、実施形態３に係る室外機を上方側から観た概略平面図である。FIG. 7 is a schematic plan view of the outdoor unit according to the third embodiment as viewed from above. 図８は、実施形態４に係る室外機を上方側から観た概略平面図である。FIG. 8 is a schematic plan view of the outdoor unit according to the fourth embodiment as viewed from above. 図９は、従来例の係るヒートポンプチラーの室外機を示す概略斜視図である。FIG. 9 is a schematic perspective view showing an outdoor unit of a heat pump chiller according to a conventional example.

　　以下、実施形態を図面に基づいて詳細に説明する。 Hereinafter, embodiments will be described in detail based on the drawings.

　　〈実施形態１〉
　　本実施形態１の冷凍装置は、図１に示すように、ヒートポンプチラー（10）を構成している。このヒートポンプチラー（10）は、ビル等の建物の屋上に設置されて該建物内に供給される空調用水を冷却又は加熱するための室外機（1A）を備えている。そして、該室外機（1A）は、３台の室外機本体（1B）を備え、３台の室外機本体（1B）は、幅方向に並列に配置されている。 <Embodiment 1>
The refrigerating apparatus of Embodiment 1 constitutes a heat pump chiller (10) as shown in FIG. The heat pump chiller (10) includes an outdoor unit (1A) that is installed on the roof of a building or the like and cools or heats air-conditioning water supplied into the building. The outdoor unit (1A) includes three outdoor unit main bodies (1B), and the three outdoor unit main bodies (1B) are arranged in parallel in the width direction.

　　上記各ヒートポンプチラー（10）は、図２に示すように、冷媒回路（図示なし）と、内部空間が機械室（14）に構成されたケーシング（11）とを備えている。 As shown in FIG. 2, each of the heat pump chillers (10) includes a refrigerant circuit (not shown) and a casing (11) whose internal space is configured in a machine room (14).

　　上記ケーシング（11）は、該ケーシング（11）を上側方向からの平面視において略六角形に形成された外壁と、該外壁の上端及び下端に形成された略六角形状の上側壁（11a）及び下側壁（11b）とを備えている。上記ケーシング（11）の上側壁（11a）は、略六角形状に形成され、図示はしないが、３箇所の空気吹出口が形成されている。各空気吹出口には、ケーシング（11）の外側から該空気吹出口を覆うフィルタ（12）が取り付けられている。また、空気吹出口のケーシング（11）の内側には、送風ファン（13）が設けられている。 The casing (11) includes an outer wall formed in a substantially hexagonal shape when the casing (11) is viewed from above, and a substantially hexagonal upper side wall (11a) formed on the upper and lower ends of the outer wall. And a lower side wall (11b). The upper wall (11a) of the casing (11) is formed in a substantially hexagonal shape, and three air outlets are formed, although not shown. A filter (12) that covers the air outlet from the outside of the casing (11) is attached to each air outlet. A blower fan (13) is provided inside the casing (11) of the air outlet.

　　上記送風ファン（13）は、軸流送風機（例えばプロペラファン）であって、送風機構を構成している。上記送風ファン（13）は、３箇所の空気吹出口にそれぞれ対応して３つ設けられ、ケーシング（11）の外部からケーシング（11）内へ吸い込んだ空気を空気吹出口を介して再び外部へ吹き出すよう構成されている。 The blower fan (13) is an axial blower (for example, a propeller fan) and constitutes a blower mechanism. Three air blowing fans (13) are provided corresponding to the three air outlets, respectively, and the air sucked into the casing (11) from the outside of the casing (11) is returned to the outside through the air outlet. It is configured to blow out.

　　上記ケーシング（11）の長手方向に沿った両側部には、４面の外壁面のそれぞれに開口部がケーシング（11）の下側壁（11b）から上側壁（11a）に延びて形成されている。この４つの開口部には、熱交換器（20）が形成されている。 On both sides along the longitudinal direction of the casing (11), openings are formed on the four outer wall surfaces so as to extend from the lower side wall (11b) of the casing (11) to the upper side wall (11a). . A heat exchanger (20) is formed in the four openings.

　　一方、上記ケーシング（11）の短辺側が正面部と背面部とを構成したいる。その正面部には、上記ケーシング（11）内の圧縮機（31）等をメンテナンスするためのメンテナンス用開口部がケーシング（11）の下側壁（11b）から上側壁（11a）に延びて形成されている。このメンテナンス用開口部には、後述するメンテナンス用扉（15）が設けられている。また、上記ケーシング（11）の短辺側の背面部は背面壁（16）に構成されている。 On the other hand, the short side of the casing (11) constitutes a front part and a back part. A maintenance opening for maintaining the compressor (31) and the like in the casing (11) extends from the lower side wall (11b) of the casing (11) to the upper side wall (11a). ing. A maintenance door (15) described later is provided in the maintenance opening. Moreover, the back part of the short side of the casing (11) is formed on the back wall (16).

　　上記熱交換器（20）は、４つの空気熱交換器（22，22，24，24）によって構成されている。該空気熱交換器（22，22，24，24）は、上記４つの開口部のそれぞれに嵌め込まれている。つまり、上記各空気熱交換器（22，22，24，24）はケーシング（11）の外壁を構成している。 The heat exchanger (20) is composed of four air heat exchangers (22, 22, 24, 24). The air heat exchanger (22, 22, 24, 24) is fitted into each of the four openings. That is, the air heat exchangers (22, 22, 24, 24) constitute the outer wall of the casing (11).

　　上記空気熱交換器（22，22，24，24）は、図３に示すように、平板状に形成され、平面視において、直線状に延びる空気熱交換器で構成されている。４枚の空気熱交換器（22，22，24，24）は、ケーシング（11）の長手方向の側面部につき２枚ずつ配設されている。上記各空気熱交換器（22，22，24，24）は、ケーシング（11）の下側壁（11b）から上側壁（11a）に延びて立設されている。そして、上記各空気熱交換器（22，22，24，24）がそれぞれ熱交換部を構成している。 The air heat exchanger (22, 22, 24, 24) is formed of a flat plate shape as shown in FIG. 3, and is composed of an air heat exchanger that extends linearly in plan view. The four air heat exchangers (22, 22, 24, 24) are arranged two by two for each side surface in the longitudinal direction of the casing (11). The air heat exchangers (22, 22, 24, 24) are erected from the lower side wall (11b) of the casing (11) to the upper side wall (11a). Each air heat exchanger (22, 22, 24, 24) constitutes a heat exchange section.

　　上記４枚の空気熱交換器（22，22，24，24）のうち、ケーシング（11）の長辺の一側面部に配置される２つの空気熱交換器（22，24）が１つの第１熱交換器本体（21）を構成し、ケーシング（11）の長辺の他の側面部に配置される２つの空気熱交換器（22，24）が１つの第２熱交換器本体（23）を構成している。具体的に、上記第１熱交換器本体（21）は、図３において、ケーシング（11）の右側に配置され、上記第２熱交換器本体（23）は、図３において、ケーシング（11）の左側に配置され、上記第１熱交換器本体（21）と第２熱交換器本体（23）とが互いに対向して配設されている。 Of the four air heat exchangers (22, 22, 24, 24), two air heat exchangers (22, 24) arranged on one side surface of the long side of the casing (11) are one first. Two air heat exchangers (22, 24) constituting one heat exchanger main body (21) and arranged on the other side surface of the long side of the casing (11) constitute one second heat exchanger main body (23 ). Specifically, the first heat exchanger body (21) is disposed on the right side of the casing (11) in FIG. 3, and the second heat exchanger body (23) is the casing (11) in FIG. The first heat exchanger body (21) and the second heat exchanger body (23) are disposed to face each other.

　　つまり、上記第１熱交換器本体（21）は、図３において、ケーシング（11）の下側に配置される第１空気熱交換器（22）と、ケーシング（11）の上側に配置される第２空気熱交換器（24）とより構成されている。また、上記第２熱交換器本体（23）は、図３において、ケーシング（11）の下側に配置される第１空気熱交換器（22）と、ケーシング（11）の上側に配置される第２空気熱交換器（24）とより構成されている。そして、上記第１空気熱交換器（22）と第２空気熱交換器（24）とは互いに独立して構成されている。 That is, the first heat exchanger main body (21) is disposed above the casing (11) and the first air heat exchanger (22) disposed below the casing (11) in FIG. It comprises a second air heat exchanger (24). Moreover, the said 2nd heat exchanger main body (23) is arrange | positioned in the upper side of the 1st air heat exchanger (22) arrange | positioned in the lower side of a casing (11) in FIG. 3, and a casing (11). It comprises a second air heat exchanger (24). The first air heat exchanger (22) and the second air heat exchanger (24) are configured independently of each other.

　　上記第１熱交換器本体（21）の第１空気熱交換器（22）と上記第２熱交換器本体（23）の第１空気熱交換器（22）とは、延長線上の交点が平面視で観て鋭角をなすように配設されている。そして、上記鋭角をなす第１熱交換器本体（21）の端部（22a）と上記第２熱交換器本体（23）の端部（22a）とは、数十ｃｍ～１ｍ程度の間隔を存して配設されている。つまり、上記鋭角をなす２つの第１空気熱交換器（22）の端部（22a）の間に上述したメンテナンス用開口部が形成されている。 The first air heat exchanger (22) of the first heat exchanger body (21) and the first air heat exchanger (22) of the second heat exchanger body (23) are flat at the intersection on the extension line. It is arranged so as to form an acute angle when viewed visually. Then, the end (22a) of the first heat exchanger body (21) having the acute angle and the end (22a) of the second heat exchanger body (23) are spaced from each other by several tens of cm to 1 m. Exist. That is, the maintenance opening described above is formed between the ends (22a) of the two first air heat exchangers (22) having the acute angle.

　　上記第１熱交換器本体（21）の第２空気熱交換器（24）と上記第２熱交換器本体（23）の第２空気熱交換器（24）とは、延長線上の交点が平面視で観て鋭角をなすように配設されている。そして、上記鋭角をなす第１熱交換器本体（21）の端部（24a）と上記第２熱交換器本体（23）の端部（24a）とは、数十ｃｍ～１ｍ程度の間隔を存して配設されている。つまり、上記鋭角をなす２つの第２空気熱交換器（24）の端部（24a）の間に上述した背面壁（16）が形成されている。 The second air heat exchanger (24) of the first heat exchanger body (21) and the second air heat exchanger (24) of the second heat exchanger body (23) are flat at the intersection on the extension line. It is arranged so as to form an acute angle when viewed visually. The end (24a) of the first heat exchanger body (21) having an acute angle and the end (24a) of the second heat exchanger body (23) are spaced from each other by several tens of cm to 1 m. Exist. That is, the back wall (16) described above is formed between the end portions (24a) of the two second air heat exchangers (24) having the acute angle.

　　上記第１熱交換器本体（21）の第１空気熱交換器（22）と第２空気熱交換器（24）とは、平面視において、上記第１熱交換器本体（21）の中央部がケーシング（11）の外側に位置する鈍角の頂部（20a）を形成するように配置されている。また、上記第２熱交換器本体（23）の第１空気熱交換器（22）と第２空気熱交換器（24）とは、平面視において、上記第２熱交換器本体（23）の中央部がケーシング（11）の外側に位置する鈍角の頂部（20a）を形成するように配置されている。 The first air heat exchanger (22) and the second air heat exchanger (24) of the first heat exchanger body (21) are in a central portion of the first heat exchanger body (21) in plan view. Are arranged so as to form an obtuse apex (20a) located outside the casing (11). Further, the first air heat exchanger (22) and the second air heat exchanger (24) of the second heat exchanger body (23) are, as seen in a plan view, the second heat exchanger body (23). It arrange | positions so that a center part may form the top part (20a) of an obtuse angle located in the outer side of a casing (11).

　　そして、上記第１熱交換器本体（21）において、頂部（20a）を形成する第１空気熱交換器（22）の端部（22b）と第２空気熱交換器（24）の端部（24b）とは、互いに近接するように配設されている。また、上記第２熱交換器本体（23）において、頂部（20a）を形成する第１空気熱交換器（22）の端部（22b）と第２空気熱交換器（24）の端部（24b）とは、互いに近接するように配設されている。 And in the said 1st heat exchanger main body (21), the edge part (22b) of the 1st air heat exchanger (22) which forms the top part (20a), and the edge part (2) of a 2nd air heat exchanger (24) ( 24b) are arranged so as to be close to each other. In the second heat exchanger body (23), the end (22b) of the first air heat exchanger (22) and the end of the second air heat exchanger (24) (top) (20a) ( 24b) are arranged so as to be close to each other.

　　つまり、上記第１空気熱交換器（22）の端部（22b）と第２空気熱交換器（24）の端部（24b）とは、平面視において、略六角形に形成された外壁の頂部（20a）の一つを形成している。また、上記送風ファン（13）は、ケーシング（11）の上側方向から観た平面視において第１熱交換器本体（21）と第２熱交換器本体（23）とに囲まれた領域に設けられている。 That is, the end portion (22b) of the first air heat exchanger (22) and the end portion (24b) of the second air heat exchanger (24) are the outer walls formed in a substantially hexagonal shape in plan view. Forms one of the tops (20a). The blower fan (13) is provided in a region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23) in a plan view viewed from the upper side of the casing (11). It has been.

　　上記メンテナンス用扉（15）は、開閉可能な扉に形成されている。該メンテナンス用扉（15）は、ケーシング（11）の短辺側の正面部に設けられたメンテナンス用開口部に、ケーシング（11）の下側壁（11b）から上側壁（11a）に亘って設けられている。したがって、作業者がメンテナンス用扉（15）を開けてケーシング（11）内の圧縮機（31）、水熱交換器（32）及び電装品箱（図示なし）等をメンテナンスする。 The maintenance door (15) is formed as a door that can be opened and closed. The maintenance door (15) is provided in the maintenance opening provided in the front portion on the short side of the casing (11) from the lower wall (11b) to the upper wall (11a) of the casing (11). It has been. Accordingly, the operator opens the maintenance door (15) and performs maintenance on the compressor (31), the water heat exchanger (32), the electrical component box (not shown), etc. in the casing (11).

　　上記ケーシング（11）の内部には、冷媒を圧縮する圧縮機（31）、温調対象となる空調用水を温調する水熱交換器（32）、膨張弁（図示なし）及び電装品箱（図示なし）が設けられている。また、上記圧縮機（31）、水熱交換器（32）、四路切換弁（図示なし）、膨張弁（図示なし）及び上記各空気熱交換器（22，22，24，24）は、蒸気圧縮式の冷媒回路を構成している。この冷媒回路は、四路切換弁（図示なし）を切り換えることで冷媒を可逆に循環させて空調用水を冷却又は加熱することができる。尚、上記ケーシング（11）の内部に設けられるのは、圧縮機（31）、水熱交換器（32）、膨張弁（図示なし）及び電装品箱（図示なし）に限られるものではない。また、電装品箱（図示なし）には、ヒートポンプチラー（10）の運転を制御するための電気基板や配線等が収容されている。 Inside the casing (11), there are a compressor (31) for compressing the refrigerant, a water heat exchanger (32) for temperature-controlling air conditioning water to be temperature-controlled, an expansion valve (not shown), and an electrical component box ( (Not shown) is provided. The compressor (31), the water heat exchanger (32), the four-way switching valve (not shown), the expansion valve (not shown) and the air heat exchangers (22, 22, 24, 24) A vapor compression refrigerant circuit is configured. This refrigerant circuit can cool or heat the air-conditioning water by reversibly circulating the refrigerant by switching a four-way switching valve (not shown). In addition, what is provided in the said casing (11) is not restricted to a compressor (31), a water heat exchanger (32), an expansion valve (not shown), and an electrical component box (not shown). Further, an electrical component box (not shown) accommodates an electric board, wiring, and the like for controlling the operation of the heat pump chiller (10).

　　　　－運転動作－
　　次に、本実施形態１の運転動作について説明する。 -Driving operation-
Next, the driving operation of the first embodiment will be described.

　　まず、ヒートポンプチラー（10）は、図３に示すように、送風ファン（13）を運転すると、ケーシング（11）の外部の空気を第１熱交換器本体（21）及び第２熱交換器本体（23）を介してケーシング（11）内に取り込む。このとき、ケーシング（11）の外部の空気は、隣り合う室外機本体（1B）の第１熱交換器本体（21）と第２熱交換器本体（23）との間にそれぞれ形成された隙間から空気熱交換器（22，22，24，24）を介してケーシング（11）内に取り込まれる。取り込まれる際に、外部空気は空気熱交換器（22，22，24，24）内の冷媒から吸熱して加熱される。各室外機本体（1B）のケーシング（11）内に取り込まれた空気は、送風ファン（13）を通過してケーシング（11）の外部に排出される。 First, as shown in FIG. 3, the heat pump chiller (10) operates the blower fan (13) to remove air outside the casing (11) from the first heat exchanger body (21) and the second heat exchanger body. Take it into the casing (11) via (23). At this time, the air outside the casing (11) is a gap formed between the first heat exchanger body (21) and the second heat exchanger body (23) of the adjacent outdoor unit body (1B). To the casing (11) through the air heat exchanger (22, 22, 24, 24). When being taken in, the external air is heated by absorbing heat from the refrigerant in the air heat exchanger (22, 22, 24, 24). The air taken into the casing (11) of each outdoor unit body (1B) passes through the blower fan (13) and is discharged outside the casing (11).

　　次に、水熱交換器（32）における空調用水を冷却用として使用する場合の冷媒回路の動作について説明する。 Next, the operation of the refrigerant circuit when the water for air conditioning in the water heat exchanger (32) is used for cooling will be described.

　　上記冷媒回路では、圧縮機（31）の運転を開始し、該圧縮機（31）で冷媒を圧縮する。上記圧縮機（31）から吐出された圧縮冷媒は、上記第１熱交換器本体（21）及び第２熱交換器本体（23）に流入する。第１熱交換器本体（21）及び第２熱交換器本体（23）では、ケーシング（11）の外部空気が各熱交換器本体（21，23）を構成する各空気熱交換器（22，22，24，24）を通過する際に、冷媒の熱を空気に放熱してケーシング（11）内に取り込まれた空気を加熱する。そして、空気に放熱して冷却された冷媒は、膨張弁で膨張した後、水熱交換器（32）に流入する。該水熱交換器（32）では、冷媒が水熱交換器（32）内を流れる空調用水から吸熱して空調用水が冷却される。冷却された空調用水は、建物内へ供給される。水熱交換器（32）を流出した冷媒は、再び圧縮機（31）に吸入されて圧縮される。 In the refrigerant circuit, the operation of the compressor (31) is started, and the refrigerant is compressed by the compressor (31). The compressed refrigerant discharged from the compressor (31) flows into the first heat exchanger body (21) and the second heat exchanger body (23). In the first heat exchanger body (21) and the second heat exchanger body (23), the outside air of the casing (11) is air heat exchangers (22, 23) constituting the heat exchanger bodies (21, 23). When passing through 22, 24, 24), the heat of the refrigerant is radiated to the air to heat the air taken into the casing (11). And the refrigerant | coolant which thermally radiated and cooled to air expand | swells with an expansion valve, Then, it flows in into a water heat exchanger (32). In the water heat exchanger (32), the refrigerant absorbs heat from the air conditioning water flowing in the water heat exchanger (32) to cool the air conditioning water. The cooled water for air conditioning is supplied into the building. The refrigerant flowing out of the water heat exchanger (32) is again sucked into the compressor (31) and compressed.

　　また、上記水熱交換器（32）における空調用水を暖房用として使用する場合の冷媒回路の動作について説明する。 Also, the operation of the refrigerant circuit when the water for air conditioning in the water heat exchanger (32) is used for heating will be described.

　　上記冷媒回路では、圧縮機（31）の運転を開始し、該圧縮機（31）で冷媒を圧縮する。上記圧縮機（31）から吐出された圧縮冷媒は、水熱交換器（32）に流入する。水熱交換器（32）では、冷媒が水熱交換器（32）内を流れる空調用水へ放熱して空調用水が加熱される。加熱された空調用水は、建物内へ供給される。水熱交換器（32）を流出した冷媒は、膨張弁で膨張した後、上記第１熱交換器本体（21）及び第２熱交換器本体（23）に流入する。第１熱交換器本体（21）及び第２熱交換器本体（23）では、ケーシング（11）の外部空気が各熱交換器本体（21，23）を構成する各空気熱交換器（22，22，24，24）を通過する際に、冷媒が空気から吸熱してケーシング（11）内に取り込まれた空気を冷却する。上記空気熱交換器（22，22，24，24）を流出した冷媒は、再び圧縮機（31）に吸入されて圧縮される。 In the refrigerant circuit, the operation of the compressor (31) is started, and the refrigerant is compressed by the compressor (31). The compressed refrigerant discharged from the compressor (31) flows into the water heat exchanger (32). In the water heat exchanger (32), the refrigerant dissipates heat to the air conditioning water flowing in the water heat exchanger (32) to heat the air conditioning water. The heated water for air conditioning is supplied into the building. The refrigerant flowing out of the water heat exchanger (32) is expanded by the expansion valve, and then flows into the first heat exchanger body (21) and the second heat exchanger body (23). In the first heat exchanger body (21) and the second heat exchanger body (23), the outside air of the casing (11) is air heat exchangers (22, 23) constituting the heat exchanger bodies (21, 23). When passing through 22, 24, 24), the refrigerant absorbs heat from the air and cools the air taken into the casing (11). The refrigerant that has flowed out of the air heat exchanger (22, 22, 24, 24) is again sucked into the compressor (31) and compressed.

　　また、作業者がメンテナンス作業を行う際は、ヒートポンプチラー（10）を停止し、メンテナンス用扉（15）を開けて、ケーシング（11）内の圧縮機（31）等のメンテナンスを行う。 Also, when the operator performs maintenance work, the heat pump chiller (10) is stopped, the maintenance door (15) is opened, and the compressor (31) in the casing (11) is maintained.

　　　　－実施形態１の効果－
　　本実施形態１によれば、２つの平板状の空気熱交換器（22，24）を互いに平面視上で鈍角の頂部（20a）を構成するように配置したために、各空気熱交換器（22，22，24，24）の面積を大きくすることができる。 -Effect of Embodiment 1-
According to the first embodiment, since the two flat air heat exchangers (22, 24) are arranged so as to form an obtuse apex (20a) in plan view, each air heat exchanger (22 , 22, 24, 24) can be increased.

　　また、上記各熱交換器本体（21，23）は、それぞれの空気熱交換器（22，22，24，24）の外側に拡がる方向の端部（22b，24b）を互いに近接させて配置するようにしたために、複数台の室外機本体（1B）を隣接させて並列に並べても、隣り合う室外機本体（1B）の間で空気流れを発生させることができる。これらにより、空気熱交換器（22，24）への空気流れを確保しつつ隣り合う室外機本体（1B）の間の間隔を利用して各空気熱交換器（22，24）を大型化することができる。この結果、複数台の室外機本体（1B）を並列に並べて設置する際の占有面積を大きくすることなく、上記熱交換器（20）を大型化することができる。 Further, the heat exchanger bodies (21, 23) are arranged so that the end portions (22b, 24b) extending in the direction of the outside of the air heat exchangers (22, 22, 24, 24) are close to each other. For this reason, even if a plurality of outdoor unit bodies (1B) are arranged adjacent to each other and arranged in parallel, an air flow can be generated between adjacent outdoor unit bodies (1B). As a result, the air heat exchangers (22, 24) are enlarged using the distance between the adjacent outdoor unit bodies (1B) while ensuring the air flow to the air heat exchangers (22, 24). be able to. As a result, the heat exchanger (20) can be enlarged without increasing the occupied area when the plurality of outdoor unit bodies (1B) are arranged in parallel.

　　また、上記各熱交換器本体（21，23）における各空気熱交換器（22，24）が互いに独立しているので、組付作業の容易化を図ることができる。 In addition, since the air heat exchangers (22, 24) in the heat exchanger bodies (21, 23) are independent from each other, the assembly work can be facilitated.

　　また、上記第１熱交換器本体（21）の端部（22a，24a）と第２熱交換器本体（23）の端部（22a，24a）との間に所定間隔を存するようにしたために、この隙間からケーシング（11）の内部の圧縮機（31）等のメンテナンス作業をすることができる。この結果、ヒートポンプチラー（10）のメンテナンス性を向上させることができる。 In addition, there is a predetermined distance between the end (22a, 24a) of the first heat exchanger body (21) and the end (22a, 24a) of the second heat exchanger body (23). The maintenance work for the compressor (31) and the like inside the casing (11) can be performed from this gap. As a result, the maintainability of the heat pump chiller (10) can be improved.

　　また、上記ケーシング（11）には、第１熱交換器本体（21）と第２熱交換器本体（23）とが囲む領域に送風ファン（13）を設けたために、ケーシング（11）の外部の空気を各熱交換器本体（21，23）を構成する空気熱交換器（22，22，24，24）に供給することができる。これにより、供給した空気と空気熱交換器（22，22，24，24）との間で熱交換を確実に行うことができる。 The casing (11) is provided with a blower fan (13) in a region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23), so that the outside of the casing (11). Can be supplied to the air heat exchangers (22, 22, 24, 24) constituting the heat exchanger bodies (21, 23). Thereby, heat exchange can be reliably performed between the supplied air and the air heat exchanger (22, 22, 24, 24).

　　　　－実施形態１の変形例１－
　　次に、上記実施形態１の変形例１について図面に基づいて説明する。本変形例１は実施形態１に係るヒートポンプチラー（10）の外部に図４に示す空気ガイド板（35）を設置したものである。 —Modification 1 of Embodiment 1—
Next, Modification 1 of Embodiment 1 will be described with reference to the drawings. In the first modification, an air guide plate (35) shown in FIG. 4 is installed outside the heat pump chiller (10) according to the first embodiment.

　　具体的に、本変形例１のヒートポンプチラー（10）では、ヒートポンプチラー（10）のケーシング（11）の外側に空気ガイド板（35）が設けられている。 Specifically, in the heat pump chiller (10) of the first modification, the air guide plate (35) is provided outside the casing (11) of the heat pump chiller (10).

　　上記空気ガイド板（35）は平板状に形成された板部材で形成されている。尚、この空気ガイド板（35）は空気案内部を構成している。上記空気ガイド板（35）は、隣り合う室外機本体（1B）の間に２枚設けられている。具体的には、空気ガイド板（35）は、隣り合う第１熱交換器本体（21）と第２熱交換器本体（23）との間に１枚設けられる。 The air guide plate (35) is formed of a plate member formed in a flat plate shape. The air guide plate (35) constitutes an air guide. Two air guide plates (35) are provided between adjacent outdoor unit bodies (1B). Specifically, one air guide plate (35) is provided between the adjacent first heat exchanger body (21) and second heat exchanger body (23).

　　そして、室外機本体（1B）の送風ファン（13）が運転を開始すると、図４に示すように、室外機本体（1B）に向かって空気が流れる。そして、この空気流れは空気ガイド板（35）で分岐し、隣り合う室外機本体（1B）の一方側と他方側とに案内される。 Then, when the blower fan (13) of the outdoor unit main body (1B) starts operation, air flows toward the outdoor unit main body (1B) as shown in FIG. The air flow is branched by the air guide plate (35) and guided to one side and the other side of the adjacent outdoor unit main body (1B).

　　本変形例１によれば、ケーシング（11）内に取り込む空気の流れを案内する空気ガイド板（35）を設けたために、ケーシング（11）の外部の空気を隣り合う室外機本体（1B）のそれぞれのケーシング（11）内へ隔たりなく供給することができる。その他の構成、作用及び効果は実施形態１と同様である。 According to the first modification, since the air guide plate (35) for guiding the flow of air taken into the casing (11) is provided, the air outside the casing (11) is allowed to flow between the adjacent outdoor unit bodies (1B). It can be supplied without separation into each casing (11). Other configurations, operations, and effects are the same as those in the first embodiment.

　　　　－実施形態１の変形例２－
　　次に、上記実施形態１の変形例２について図面に基づいて説明する。本変形例２は、実施形態１に係るヒートポンプチラー（10）のメンテナンス用扉（15）の構造が異なるものである。 —Modification 2 of Embodiment 1
Next, a second modification of the first embodiment will be described with reference to the drawings. This modification 2 differs in the structure of the maintenance door (15) of the heat pump chiller (10) according to the first embodiment.

　　具体的に、図５に示すように、変形例２に係るメンテナンス用扉（40）は、所定の厚みを有すると共に、内部が中空に形成された箱状に形成される一方、ケーシング（11）の内部に対して開閉可能な扉に形成されている。また、上記メンテナンス用扉（40）は蓋部材（図示なし）を有している。上記メンテナンス用扉（40）は、電装品箱（図示なし）と一体に形成され、内部にヒートポンプチラー（10）の運転を制御するための電気基板や配線等が収容されている。つまり、上記メンテナンス用扉（40）は、実施形態１においてケーシング（11）の内部に収容されていた電装品箱（図示なし）に相当する。このメンテナンス用扉（40）は、ケーシング（11）の短辺側の一側部に設けられたメンテナンス用開口部に、ケーシング（11）の下側壁（11b）から上側壁（11a）に亘って設けられている。 Specifically, as shown in FIG. 5, the maintenance door (40) according to the modified example 2 has a predetermined thickness and is formed in a box shape having a hollow interior, while the casing (11) It is formed in the door which can be opened and closed with respect to the inside. The maintenance door (40) has a lid member (not shown). The maintenance door (40) is formed integrally with an electrical component box (not shown), and contains an electric board, wiring, and the like for controlling the operation of the heat pump chiller (10). That is, the maintenance door (40) corresponds to an electrical component box (not shown) housed in the casing (11) in the first embodiment. The maintenance door (40) extends from the lower side wall (11b) of the casing (11) to the upper side wall (11a) in the maintenance opening provided on one side of the short side of the casing (11). Is provided.

　　したがって、作業者がメンテナンス用扉（40）を開けてケーシング（11）内の圧縮機（31）及び水熱交換器（32）等をメンテナンスすることができる。また、メンテナンス用扉（40）の蓋部材（図示なし）を開けることで、内部に収容されている電気基板や配線等をメンテナンスすることができる。 Therefore, the operator can open the maintenance door (40) and maintain the compressor (31), the water heat exchanger (32), etc. in the casing (11). In addition, by opening a lid member (not shown) of the maintenance door (40), it is possible to maintain an electric board, wiring, and the like housed inside.

　　本変形例２によれば、電装品箱（図示なし）と一体に形成されたメンテナンス用扉（40）を設けたために、ケーシング（11）の内部空間を広くすることができる。これにより、ケーシング（11）の内部のメンテナンス性を向上させることができる。また、電装品箱（図示なし）と一体に形成されたメンテナンス用扉（40）を設けたために、ケーシング（11）の内部空間には、従来電装品箱（図示なし）が設置されていた分だけ空間が生じる。これにより、ケーシング（11）内の電装品箱（図示なし）が占めていた空間についてケーシング（11）を小型化することができる。その他の構成、作用及び効果は実施形態１と同様である。 According to the second modification, since the maintenance door (40) formed integrally with the electrical component box (not shown) is provided, the internal space of the casing (11) can be widened. Thereby, the maintainability inside a casing (11) can be improved. In addition, since the maintenance door (40) formed integrally with the electrical component box (not shown) is provided, the conventional electrical component box (not shown) is installed in the internal space of the casing (11). Only space arises. Thereby, a casing (11) can be reduced in size about the space which the electrical component box (not shown) in the casing (11) occupied. Other configurations, operations, and effects are the same as those in the first embodiment.

　　〈実施形態２〉
　　次に実施形態２について図面に基づいて説明する。 <Embodiment 2>
Next, Embodiment 2 will be described with reference to the drawings.

　　本実施形態２は、上記実施形態１のヒートポンプチラー（10）と比較して、第１熱交換器本体（21）と第２熱交換器本体（23）と端部構成が異なっている。実施形態２では、実施形態１と異なる部分について説明する。 The second embodiment is different from the heat pump chiller (10) of the first embodiment in the end configuration of the first heat exchanger body (21) and the second heat exchanger body (23). In the second embodiment, parts different from the first embodiment will be described.

　　具体的に、本実施形態２に係るヒートポンプチラー（10）は、図６に示すように、第１熱交換器本体（21）の第２空気熱交換器（24）と第２熱交換器本体（23）の第２空気熱交換器（24）の端部（24a）は、互いに近接して当接した状態で配設されている。 Specifically, as shown in FIG. 6, the heat pump chiller (10) according to the second embodiment includes the second air heat exchanger (24) and the second heat exchanger body of the first heat exchanger body (21). The end (24a) of the second air heat exchanger (24) of (23) is disposed in a state of being in close contact with each other.

　　上記実施形態２によれば、第１熱交換器本体（21）と第２熱交換器本体（23）との第２空気熱交換器（24）の端部（24a）を当接させて配設したために、実施形態１に係る第２空気熱交換器（24）の面積よりも実施形態２の第２空気熱交換器（24）の面積のほうが大きくなる。これにより、ケーシング（11）の据付面積に対する空気熱交換器（24）の面積を大きくすることができる。その他の構成・作用及び効果は実施形態１と同様である。 According to the second embodiment, the end (24a) of the second air heat exchanger (24) between the first heat exchanger main body (21) and the second heat exchanger main body (23) is brought into contact. Therefore, the area of the second air heat exchanger (24) according to the second embodiment is larger than the area of the second air heat exchanger (24) according to the first embodiment. Thereby, the area of the air heat exchanger (24) with respect to the installation area of a casing (11) can be enlarged. Other configurations, operations, and effects are the same as those in the first embodiment.

　　〈実施形態３〉
　　次に実施形態３について図面に基づいて説明する。 <Embodiment 3>
Next, Embodiment 3 will be described with reference to the drawings.

　　本実施形態３は、上記実施形態１のヒートポンプチラー（10）と比較して、第１熱交換器本体（21）及び第２熱交換器本体（23）の各空気熱交換器（22，24）の端部構成が異なっている。実施形態３では、実施形態１と異なる部分について説明する。 In the third embodiment, the air heat exchangers (22, 24) of the first heat exchanger body (21) and the second heat exchanger body (23) are compared with the heat pump chiller (10) of the first embodiment. ) End configuration is different. In the third embodiment, parts different from the first embodiment will be described.

　　具体的に、本実施形態３に係るヒートポンプチラー（10）は、図７に示すように、上記第１熱交換器本体（21）の第１空気熱交換器（22）と第２熱交換器本体（23）の第１空気熱交換器（22）の端部（22a）は、互いに近接して当接した状態で配設され、また、上記第１熱交換器本体（21）の第２空気熱交換器（24）と第２熱交換器本体（23）の第２空気熱交換器（24）の端部（24a）は、互いに近接して当接した状態で配設されている。 Specifically, the heat pump chiller (10) according to the third embodiment includes a first air heat exchanger (22) and a second heat exchanger of the first heat exchanger body (21) as shown in FIG. The end (22a) of the first air heat exchanger (22) of the main body (23) is disposed in close contact with each other, and the second portion of the first heat exchanger main body (21). The end (24a) of the air heat exchanger (24) and the second air heat exchanger (24) of the second heat exchanger body (23) are disposed in close contact with each other.

　　一方、上記ケーシング（11）の長手方向に沿った外壁の下部には、図示はしないが、ケーシング（11）内に配置された圧縮機（31）等をメンテナンスするためのメンテナンス用開口部が形成されている。このメンテナンス用開口部は、上記各空気熱交換器（22，22，24，24）の下側で、ケーシング（11）の上下方向の中央部から下側壁（11b）に亘って形成されている。作業者は、この開口部からケーシング（11）内の圧縮機（31）等をメンテナンスする。 On the other hand, although not shown, a maintenance opening for maintaining the compressor (31) and the like disposed in the casing (11) is formed in the lower part of the outer wall along the longitudinal direction of the casing (11). Has been. The maintenance opening is formed on the lower side of each air heat exchanger (22, 22, 24, 24) from the center in the vertical direction of the casing (11) to the lower side wall (11b). . The operator maintains the compressor (31) and the like in the casing (11) from this opening.

　　上記実施形態３によれば、第１熱交換器本体（21）の各空気熱交換器（22，24）と第２熱交換器本体（23）の各空気熱交換器（22，24）は、互いが近接する側の端部（22a，24a）をそれぞれ当接させて配設したために、実施形態１に係る空気熱交換器（22，22，24，24）の面積よりも実施形態３の空気熱交換器（22，22，24，24）の面積のほうが大きくなる。これにより、ケーシング（11）の据付面積に対する第１熱交換器本体（21）及び第２熱交換器本体（23）の空気熱交換器（22，22，24，24）の面積を大きくすることができる。また、上記ケーシング（11）の下部のメンテナンス用開口部を介してケーシング（11）内の圧縮機（31）等をメンテナンスすることができる。その他の構成・作用及び効果は実施形態１と同様である。 According to the third embodiment, the air heat exchangers (22, 24) of the first heat exchanger body (21) and the air heat exchangers (22, 24) of the second heat exchanger body (23) are Since the end portions (22a, 24a) on the sides close to each other are arranged in contact with each other, the third embodiment is more effective than the area of the air heat exchanger (22, 22, 24, 24) according to the first embodiment. The area of the air heat exchanger (22, 22, 24, 24) is larger. Thereby, the area of the air heat exchanger (22, 22, 24, 24) of the first heat exchanger body (21) and the second heat exchanger body (23) with respect to the installation area of the casing (11) is increased. Can do. In addition, the compressor (31) and the like in the casing (11) can be maintained through the maintenance opening at the bottom of the casing (11). Other configurations, operations, and effects are the same as those in the first embodiment.

　　〈実施形態４〉
　　次に実施形態４について図面に基づいて説明する。 <Embodiment 4>
Next, a fourth embodiment will be described based on the drawings.

　　本実施形態３は、上記実施形態１のヒートポンプチラー（10）と比較して、第１熱交換器本体（21）及び第２熱交換器本体（23）の構成が異なっている。実施形態４では、実施形態１と異なる部分について説明する。 The third embodiment differs from the heat pump chiller (10) of the first embodiment in the configuration of the first heat exchanger body (21) and the second heat exchanger body (23). In the fourth embodiment, parts different from the first embodiment will be described.

　　具体的に、本実施形態４に係るヒートポンプチラー（10）は、図８に示すように、第１熱交換器本体（21）及び第２熱交換器本体（23）が１枚の空気熱交換器（25，26）で構成されている。 Specifically, in the heat pump chiller (10) according to the fourth embodiment, as shown in FIG. 8, the first heat exchanger main body (21) and the second heat exchanger main body (23) have one air heat exchange. (25, 26).

　　上記各空気熱交換器（25，26）は、ケーシング（11）の長手方向に沿った両側部の２面の外壁面のそれぞれに形成される開口部に嵌め込まれている。つまり、上記ケーシング（11）の各側面部は、一枚の空気熱交換器（25，26）で構成されている。上記各空気熱交換器（25，26）は、平板状に形成された一枚の空気熱交換器を中央部で折曲げて頂部（20a，20a）を形成している。尚、本実施形態に係る空気熱交換器（25，26）は、隣り合うケーシング（11，11）の対向する面についてのみ形成するようにしてもよい。その他の構成・作用及び効果は実施形態１と同様である。 The air heat exchangers (25, 26) are fitted in openings formed in two outer wall surfaces on both sides along the longitudinal direction of the casing (11). That is, each side part of the casing (11) is composed of a single air heat exchanger (25, 26). Each of the air heat exchangers (25, 26) has a top portion (20a, 20a) formed by bending one air heat exchanger formed in a flat plate shape at the center. In addition, you may make it form the air heat exchanger (25, 26) which concerns on this embodiment only about the surface which an adjacent casing (11, 11) opposes. Other configurations, operations, and effects are the same as those in the first embodiment.

　　〈その他の実施形態〉
　　本発明は、上記実施形態１～３について、以下のような構成としてもよい。 <Other embodiments>
The present invention may have the following configurations for the first to third embodiments.

　　上記実施形態１～３では、３台の室外機本体（1B）を連結設置するようにしたが、本発明は、２台以上の室外機本体（1B）の連結設置について適用することができる。 In Embodiments 1 to 3, the three outdoor unit bodies (1B) are connected and installed. However, the present invention can be applied to the connection and installation of two or more outdoor unit bodies (1B).

　　尚、以上の実施形態は、本質的に好ましい例示であって、本発明、その適用物、あるいはその用途の範囲を制限することを意図するものではない。 In addition, the above embodiment is an essentially preferable example, and is not intended to limit the scope of the present invention, its application, or its use.

　　以上説明したように、本発明は、熱交換器を有する冷凍装置について有用である。 As described above, the present invention is useful for a refrigeration apparatus having a heat exchanger.

１０　　　　　　ヒートポンプチラー（冷凍装置）
１Ａ　　　　　　室外機
１Ｂ　　　　　　室外機本体
１１　　　　　　ケーシング
１３　　　　　　送風ファン（送風機構）
２０　　　　　　熱交換器
２１　　　　　　第１熱交換器本体
２２　　　　　　第１空気熱交換器（熱交換部）
２２ａ，２２ｂ　端部
２３　　　　　　第２熱交換器本体
２４　　　　　　第２空気熱交換器（熱交換部）
２４ａ，２４ｂ　端部
３５　　　　　　空気ガイド板（空気案内部） 10 Heat pump chiller (refrigeration equipment)
1A Outdoor unit 1B Outdoor unit body 11 Casing 13 Blower fan (Blower mechanism)
20 heat exchanger 21 1st heat exchanger body 22 1st air heat exchanger (heat exchange part)
22a, 22b End 23 Second heat exchanger body 24 Second air heat exchanger (heat exchange part)
24a, 24b End 35 Air guide plate (air guide part)

Claims (8)

　　ケーシング（11）の両側面部に配置され、且つ上記ケーシング（11）の側面部に沿って延びる第１熱交換器本体（21）と第２熱交換器本体（23）を備え、
　　上記第１熱交換器本体（21）及び第２熱交換器本体（23）は、平面視において、中央部がケーシング（11）の外側に位置する鈍角の頂部（20a）を形成するようにケーシング（11）の外側方向に拡がる直線状の第１熱交換部（22）と第２熱交換部（24）とを備えている
ことを特徴とする熱交換器。 A first heat exchanger body (21) and a second heat exchanger body (23) disposed on both side surfaces of the casing (11) and extending along the side surface of the casing (11);
The first heat exchanger main body (21) and the second heat exchanger main body (23) are casings so that, when seen in a plan view, the central part forms an obtuse apex (20a) located outside the casing (11). A heat exchanger comprising a linear first heat exchanging portion (22) and a second heat exchanging portion (24) extending in the outer direction of (11). 　　請求項１において、
　　上記第１熱交換部（22）及び第２熱交換部（24）は、互いに独立して構成され、
　　上記各熱交換器本体（21，23）の第１熱交換部（22）と第２熱交換部（24）は、頂部（20a）を形成する端部（22b，24b）が互いに近接するように配置されている
ことを特徴とする熱交換器。 In claim 1,
The first heat exchange part (22) and the second heat exchange part (24) are configured independently of each other,
The first heat exchanging portion (22) and the second heat exchanging portion (24) of each of the heat exchanger bodies (21, 23) are arranged so that the end portions (22b, 24b) forming the top portion (20a) are close to each other. It is arrange | positioned in the heat exchanger characterized by the above-mentioned. 　　請求項２において、
　　上記第１熱交換器本体（21）と第２熱交換器本体（23）とは、第１熱交換器本体（21）の端部（22a，24a）と第２熱交換器本体（23）の端部（22a，24a）とが所定の間隔を存するように配置されている
ことを特徴とする熱交換器。 In claim 2,
The first heat exchanger body (21) and the second heat exchanger body (23) are composed of an end (22a, 24a) of the first heat exchanger body (21) and a second heat exchanger body (23). The heat exchanger is characterized in that the end portions (22a, 24a) are arranged at a predetermined interval. 　　ケーシング（11）と、
　　上記請求項１～３の何れか１つに記載された熱交換器（20）を備えている
ことを特徴とする室外機。 A casing (11),
An outdoor unit comprising the heat exchanger (20) according to any one of claims 1 to 3. 　　請求項４において、
　　上記１つのケーシング（11）と１つの熱交換器（20）とを備えて１つの室外機本体（1B）が構成され、
　　上記室外機本体（1B）の複数台が幅方向に並列に配置されている
ことを特徴とする室外機。 In claim 4,
One outdoor unit body (1B) is configured with the one casing (11) and one heat exchanger (20).
An outdoor unit comprising a plurality of the outdoor unit bodies (1B) arranged in parallel in the width direction. 　　請求項４または５において、
　　上記ケーシング（11）は、上記第１熱交換器本体（21）と第２熱交換器本体（23）とによって囲まれた領域に、上記第１熱交換器本体（21）と第２熱交換器本体（23）に空気を供給するための送風機構（13）が設けられている
ことを特徴とする室外機。 In claim 4 or 5,
The casing (11) is disposed in a region surrounded by the first heat exchanger body (21) and the second heat exchanger body (23), and the first heat exchanger body (21) and the second heat exchanger. An outdoor unit comprising a blower mechanism (13) for supplying air to the main body (23). 　　請求項４～６の何れか１つにおいて、
　　上記第１熱交換器本体（21）と第２熱交換器本体（23）の外側には、該各熱交換器本体（21，23）に空気を送るための空気案内部（35）が設けられている
ことを特徴とする室外機。 In any one of claims 4 to 6,
On the outside of the first heat exchanger body (21) and the second heat exchanger body (23), there are provided air guide portions (35) for sending air to the heat exchanger bodies (21, 23). An outdoor unit characterized by that. 　　請求項４～７の何れか１つに記載された室外機（1A）を備えている
ことを特徴とする冷凍装置。 A refrigerating apparatus comprising the outdoor unit (1A) according to any one of claims 4 to 7.
PCT/JP2010/001210 2009-02-23 2010-02-23 Heat exchanger, outdoor unit, and freezer device Ceased WO2010095470A1 (en)

Priority Applications (3)

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EP10743599A EP2402665A1 (en) 2009-02-23 2010-02-23 Heat exchanger, outdoor unit, and freezer device
US13/202,660 US20110303396A1 (en) 2009-02-23 2010-02-23 Heat exchanger, outdoor unit and refrigeration apparatus
CN201080008652XA CN102317701A (en) 2009-02-23 2010-02-23 Heat exchanger, outdoor unit, and freezer device

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EP2402665A1 (en) 2012-01-04
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US20110303396A1 (en) 2011-12-15
JP2010216798A (en) 2010-09-30

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