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WO2019107121A1 - Procédé de fabrication de dispositif à cycle de réfrigération, et dispositif à cycle de réfrigération - Google Patents

Procédé de fabrication de dispositif à cycle de réfrigération, et dispositif à cycle de réfrigération Download PDF

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Publication number
WO2019107121A1
WO2019107121A1 PCT/JP2018/041773 JP2018041773W WO2019107121A1 WO 2019107121 A1 WO2019107121 A1 WO 2019107121A1 JP 2018041773 W JP2018041773 W JP 2018041773W WO 2019107121 A1 WO2019107121 A1 WO 2019107121A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
bracket
lower heat
upper heat
refrigeration cycle
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/JP2018/041773
Other languages
English (en)
Japanese (ja)
Inventor
孝英 後藤
岡田　拓也
清輝 馬越
正広 寺岡
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems 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 Mitsubishi Heavy Industries Thermal Systems Ltd filed Critical Mitsubishi Heavy Industries Thermal Systems Ltd
Publication of WO2019107121A1 publication Critical patent/WO2019107121A1/fr
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
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

Definitions

  • the present invention relates to a method of manufacturing a refrigeration cycle apparatus and a refrigeration cycle apparatus.
  • the heat exchangers may be arranged in multiple stages in the vertical direction.
  • an outdoor unit of an air conditioner disclosed in Patent Document 1 is one in which the heat exchangers are arranged in two stages in the vertical direction.
  • Patent Document 1 discloses an outdoor unit of an air conditioner provided with a two-stage heat exchanger unit in which upper and lower heat exchangers are stacked and connected in two upper and lower stages.
  • the upper heat exchanger and the lower heat exchanger are bent in a U-shape, and the heat exchangers are vertically arranged between the upper heat exchanger and the lower heat exchanger.
  • a holding member is provided for positioning so that the relative position does not shift in the state of being superimposed on each other.
  • a holding member is provided between the upper heat exchanger and the lower heat exchanger, and relative positions do not shift in a state where the heat exchangers are vertically stacked. Positioning.
  • this holding member is not intended to make the bending degree in the bending portion substantially the same, and in the configuration of Patent Document 1, the upper heat exchanger and the lower heat exchanger in the vicinity of the bending portion and the bending portion.
  • dust and the like would be deposited on the heat exchanger.
  • the present invention has been made in view of such circumstances, and it is possible to improve the appearance and to suppress the deposition of dust and the like on a heat exchanger, and a method of manufacturing a refrigeration cycle apparatus and refrigeration It aims at providing a cycle device.
  • a manufacturing method of a refrigeration cycle apparatus includes a refrigeration cycle apparatus having a panel-like lower heat exchanger and a panel-like upper heat exchanger mounted on the lower heat exchanger.
  • the upper heat exchanger and the lower heat exchanger are connected such that the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are flush with each other Bracket mounting step between the upper heat exchanger and the lower heat exchanger, and a bracket mounting step between the upper heat exchanger and the lower heat exchanger after the bracket mounting step.
  • a bending step of bending the upper heat exchanger and the lower heat exchanger such that a vertically extending curved portion is formed on the panel surface.
  • a bracket that restricts the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger to be flush with each other is installed between the upper heat exchanger and the lower heat exchanger, which are disposed in an overlapping manner.
  • the bracket regulates the relative movement between the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger. Therefore, at the time of bending, the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are maintained flush. Therefore, the curved portion can be formed while the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are flush with each other.
  • the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger can be flush with each other to improve the appearance. it can.
  • the panel surface of the upper heat exchanger can be flush with the panel surface of the lower heat exchanger, the upper surface of the lower heat exchanger is not exposed, and dust or the like deposits on the upper surface of the lower heat exchanger Can be prevented.
  • the bracket may be installed in an area adjacent to the curved portion in the bracket installation step.
  • the bracket is installed in the area adjacent to the curved portion.
  • the distance between the curved portion and the bracket becomes relatively short, so that the difference between the degree of curvature of the upper heat exchanger and the degree of curvature of the lower heat exchanger is less likely to occur. Therefore, more preferably, in the refrigeration cycle apparatus having the heat exchanger in which the curved portion is formed, the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger can be flush with each other.
  • the bracket may be partially provided on the mounting surface of the lower heat exchanger and the upper heat exchanger.
  • the bracket is partially provided on the mounting surface of the lower heat exchanger and the upper heat exchanger.
  • the horizontal length of the bracket is about 40% or less of the horizontal length of the curved portion.
  • the bracket may have an opening penetrating in the vertical direction.
  • the bracket is formed with an opening penetrating in the vertical direction.
  • the water flowing downward (dropping) from the upper heat exchanger passes through the opening formed in the bracket, so it is possible to suppress the hindrance of the flow of water by the bracket. Therefore, it is possible to prevent the water from being accumulated in the refrigeration cycle apparatus.
  • a refrigeration cycle apparatus includes a panel-shaped lower heat exchanger, a panel-shaped upper heat exchanger mounted on the lower heat exchanger, the lower heat exchanger, and the upper portion. And a bracket provided between the heat exchanger and connecting the lower heat exchanger and the upper heat exchanger, the lower heat exchanger and a panel surface of the upper heat exchanger being the upper portion.
  • a curved portion extending in the vertical direction is formed across the heat exchanger and the lower heat exchanger, and the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are flush with each other.
  • the bracket is partially provided to the mounting surface of the lower heat exchanger and the upper heat exchanger.
  • the bracket is provided between the lower heat exchanger and the upper heat exchanger.
  • the bracket regulates the relative movement between the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger. Therefore, at the time of bending, the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are maintained flush. Therefore, the curved portion can be formed while the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger are flush with each other. Therefore, in the refrigeration cycle apparatus having the heat exchanger in which the curved portion is formed, the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger can be preferably made flush with each other to improve the appearance. It can be done.
  • the panel surface of the upper heat exchanger can be flush with the panel surface of the lower heat exchanger, the upper surface of the lower heat exchanger is not exposed, and dust or the like deposits on the upper surface of the lower heat exchanger Can be prevented.
  • a bracket is partially provided on the mounting surface of the lower heat exchanger and the upper heat exchanger.
  • the bracket may be installed in an area adjacent to the curved portion.
  • the bracket is installed in the area adjacent to the curved portion.
  • the distance between the curved portion and the bracket becomes relatively short, so that the difference between the degree of curvature of the upper heat exchanger and the degree of curvature of the lower heat exchanger is less likely to occur. Therefore, more preferably, in the refrigeration cycle apparatus having the heat exchanger in which the curved portion is formed, the panel surface of the upper heat exchanger and the panel surface of the lower heat exchanger can be flush with each other.
  • the bracket may have an opening penetrating in the vertical direction.
  • the bracket is formed with an opening penetrating in the vertical direction.
  • the water flowing downward (dropping) from the upper heat exchanger passes through the opening formed in the bracket, so it is possible to suppress the hindrance of the flow of water by the bracket. Therefore, it is possible to prevent the water from being accumulated in the refrigeration cycle apparatus.
  • FIG. 5 It is a perspective view showing the appearance of the air-cooling heat pump chiller concerning the embodiment of the present invention. It is a schematic plan view which shows the heat exchange chamber inside of FIG. It is a typical perspective view of the air heat exchanger unit of FIG. The state before bending-processing is shown with respect to the bracket which concerns on embodiment of this invention. The state after bending-processing is shown with respect to the bracket of FIG. It is an enlarged perspective view which shows the state which attached the bracket of FIG. 5 to the air heat exchanger unit. It is a side perspective view which shows the state which attached the bracket of FIG. 5 to the air heat exchanger unit.
  • the air-cooled heat pump chiller (refrigerating cycle device) 1 includes a machine room 2, a heat exchange room 3 disposed above the machine room 2, and a ceiling of the heat exchange room 3. And a drain pan 6 provided between the machine room 2 and the heat exchange chamber 3.
  • an outer shell is constituted by a substantially rectangular parallelepiped casing 7 extending in one direction (Y direction in FIG. 1).
  • a compressor, a four-way switching valve, a water heat exchanger, an expansion valve, a refrigerant pipe, a water pipe and a water circulation pump (all not shown) are accommodated.
  • the compressor, the four-way switching valve, the water heat exchanger, and the expansion valve are connected by a refrigerant pipe and constitute a refrigeration cycle together with an air heat exchanger unit 8 provided in a heat exchange chamber 3 described later.
  • the four-way switching valve can switch the flow of the refrigerant flowing in the refrigerant pipe, and by switching the flow of the refrigerant, the air-cooled heat pump chiller 1 can perform both the cooling operation and the heating operation.
  • the compressor includes, for example, a motor driven by an inverter.
  • the amount of refrigerant discharged to the refrigerant pipe is adjusted by controlling the number of rotations of the motor.
  • the water heat exchanger exchanges heat between the refrigerant flowing through the refrigerant pipe and the water flowing through the water pipe.
  • the water piping is constituted by a first piping that supplies water to the water heat exchanger from the outside of the air cooling heat pump chiller 1 and a second piping that discharges the water of the water heat exchanger to the outside of the air cooling heat pump chiller 1.
  • the water discharged from the second pipe is provided as hot water or cold water to devices (not shown) of various providers.
  • the water heat-exchanged by the devices or the like of the various suppliers is supplied from the devices or the like of the various containers to the water heat exchanger through the first pipe.
  • the first pipe and the second pipe constitute a part of the circulation flow path connecting the air-cooled heat pump chiller 1 and the device etc. of the provision destination.
  • the expansion valve is provided between the water heat exchanger and the air heat exchanger unit 8 provided in the heat exchange chamber 3.
  • the water circulation pump circulates the water in the water pipe and supplies the water to the water heat exchanger.
  • the heat exchange chamber 3 has an outer shell formed by a heat exchange chamber housing 9 extending in one direction. As shown in FIG. 2, a plurality of (four in the present embodiment) air heat exchanger units 8 are disposed inside the heat exchange chamber housing 9.
  • the heat exchange chamber housing 9 has a substantially rectangular ceiling plate 11 constituting an upper surface, a substantially rectangular bottom plate 12 constituting a lower surface, and a plate shape constituting a side surface in the short direction (X direction in FIG. 1). And the side surface in the longitudinal direction (Y direction in FIG. 1) is in an open state.
  • the air heat exchanger units 8 each have a lower heat exchanger 16 formed in a panel shape and an upper heat formed in a panel shape placed on the lower heat exchanger 16. It is comprised by the switch 15.
  • the lower heat exchanger 16 and the upper heat exchanger 15 are connected by a bracket 17 provided between the lower heat exchanger 16 and the upper heat exchanger 15.
  • curved portions 18 extending in the vertical direction are formed on the panel surface across the upper heat exchanger 15 and the lower heat exchanger 16. In addition, it is curved in a plan view substantially L shape.
  • the lower heat exchanger 16 and the upper heat exchanger 15 have a first flat portion 19 corresponding to the L-shaped short portion, a curved portion 18 corresponding to the L-shaped corner, and a second flat portion corresponding to the L-shaped longitudinal portion. And 20.
  • the panel surfaces of the lower heat exchanger 16 and the upper heat exchanger 15 are formed to be flush with each other in substantially the entire area (that is, the first flat portion 19, the curved portion 18, and the second flat portion 20). .
  • the four air heat exchanger units 8 configured in this manner are arranged side by side along the side surfaces of the heat exchange chamber 3.
  • the upper heat exchanger 15 and the lower heat exchanger 16 are configured in an L shape, and the panel surfaces of the upper heat exchanger 15 and the lower heat exchanger 16 are flush with each other.
  • the heat exchanger unit 8 is also substantially L-shaped in plan view.
  • the four air heat exchanger units 8 are arranged such that the corners of the L (ie, the curved portions 18 of the upper heat exchanger 15 and the lower heat exchanger 16) correspond to the four corners of the heat exchange chamber 3, respectively. Ru.
  • the L-shaped longitudinal portion (that is, the second flat portion 20 of the upper heat exchanger 15 and the lower heat exchanger 16) is on the side surface in the longitudinal direction of the heat exchange chamber 3. They are arranged along the line.
  • the upper heat exchanger 15 and the lower heat exchanger 16 are so-called fin and tube type heat exchangers. More specifically, the upper heat exchanger 15 and the lower heat exchanger 16 each have a plurality of circular tubes 21 (see FIG. 8) through which the refrigerant flows and a plurality of fins provided on the outer peripheral surface of the tubes 21. (Not shown).
  • the tube 21 extends horizontally a predetermined distance.
  • the tubes 21 are arranged in two rows in the horizontal direction, and arranged in a plurality of rows (approximately 30 in the present embodiment) in the vertical direction. In the present embodiment, the surface on which the tubes 21 are arranged in multiple rows in the vertical direction is used as the panel surface of the upper heat exchanger 15 and the lower heat exchanger 16.
  • the fins are plate-shaped and arranged in a plurality of rows so that the plate surface is a vertical surface. Further, a plurality of holes are formed in the plate surface of the fin. The diameter of the hole is slightly larger than the outer diameter of the tube 21, and the tube 21 is inserted into the hole so as to be fitted. Thus, fins are provided on the outer peripheral surface of the tube 21.
  • the air heat exchanger unit 8 configured as described above performs heat exchange with the outside air introduced from the side surface in the longitudinal direction of the heat exchange chamber housing 9 in the open state, thereby cooling the refrigerant flowing in the tube or Do the heating.
  • FIG. 4 shows a state before bending the bracket 17
  • FIG. 5 shows a state after bending the bracket 17.
  • the bracket 17 connects the lower heat exchanger 16 and the upper heat exchanger 15 in a state after the bending process.
  • the bracket 17 has a rectangular plate-like base 23 and a first rising portion rising upward from an end on one side of the base 23 (in the present embodiment, an outer end in a state provided to the air heat exchanger unit 8) 24, a first hanging portion 25 hanging downward from one end of the base 23, and the other side of the base 23 (in the present embodiment, an inner end provided in the air heat exchanger unit 8) And a second hanging portion 27 hanging downward from the other end of the base 23.
  • FIG. 1 shows a state before bending the bracket 17
  • FIG. 5 shows a state after bending the bracket 17.
  • the bracket 17 connects the lower heat exchanger 16 and the upper heat exchanger 15 in a state after the bending process.
  • the bracket 17 has a rectangular plate-like base 23 and a first rising portion
  • the base 23 is formed with a rectangular opening 28 along the outer periphery of the base 23.
  • the first rising portion 24 and the second rising portion 26 face each other in a diagonal direction.
  • the first hanging portion 25 and the second hanging portion 27 face each other so as to be diagonally opposite.
  • the bracket 17 is provided in the 1st plane part 19 (refer FIG. 3, FIG. 9).
  • the base 23 is placed on the upper surface of the lower heat exchanger 16. That is, the lower surface of the base 23 is in contact with the upper surface of the lower heat exchanger 16, and the upper surface is in contact with the lower surface of the upper heat exchanger 15. Further, the inner surface of the first rising portion 24 is in contact with the outer surface of the upper heat exchanger 15 (that is, the panel surface facing outward), and the inner surface of the first hanging portion 25 is the outer surface of the lower heat exchanger 16 Contact. The inner surface of the second rising portion 26 is in contact with the inner surface of the upper heat exchanger 15 (that is, the panel surface facing inward), and the inner surface of the second hanging portion 27 is the inner surface of the lower heat exchanger 16 Contact.
  • the bracket 17 connects the upper heat exchanger 15 and the lower heat exchanger 16.
  • the bracket 17, the upper heat exchanger 15 and the lower heat exchanger 16 are not connected by welding or the like.
  • the bracket 17 is not provided in the whole mounting surface of the lower heat exchanger 16 and the upper heat exchanger 15, and is provided partially.
  • the length of the bracket 17 in the extension direction of the tube 21 is about 40% of the curved portion 18.
  • the length of the bracket 17 is not limited to this example.
  • the bracket 17 is provided on a first flat portion 19 which is an area adjacent to the curved portion 18.
  • the end portion on the curved portion 18 side of the bracket 17 is disposed at a position separated by 50 cm to 60 cm from the boundary (R end portion) between the first flat portion 19 and the curved portion 18 .
  • the four fans 5 are provided on the ceiling plate 11 of the heat exchange chamber case 9 and arranged at equal intervals along the longitudinal direction of the heat exchange chamber case 9.
  • the four fans 5 introduce outside air into the heat exchange chamber 3 and discharge the outside air subjected to heat exchange in the heat exchanger to the outside of the heat exchange chamber 3.
  • the drain pan 6 is provided below the air heat exchanger unit 8 and recovers the condensed water generated in the air heat exchanger unit 8.
  • the tube 21 is inserted into a plurality of holes formed in a plate-like fin. At this time, since the tube 21 is in a state before the expansion of the tube, the outer diameter is smaller than the diameter of the hole formed in the fin, so the tube can be easily inserted.
  • the mandrel is inserted into the tube 21 in a state of being inserted into the hole, and the tube is expanded.
  • the expanded tube 21 has a large outer diameter and contacts the inner edge of the hole formed in the fin.
  • the bracket 17 is mounted on the upper surface of the lower heat exchanger 16 in a predetermined manner.
  • the inner surface of the first rising portion 24 contacts the panel surface on one side of the upper heat exchanger 15, and the inner surface of the first hanging portion 25 is the lower portion.
  • the panel surface of one side of the heat exchanger 16 is in contact
  • the inner surface of the second rising portion 26 is in contact with the panel surface of the other side of the upper heat exchanger 15, and the inner surface of the second hanging portion 27 is a lower heat exchange It is in the state of contacting the panel surface on the other side of the vessel 16.
  • the bracket 17 is mounted not on the bending portion 18 described later, but on the first flat portion 19 which is an adjacent region of the bending portion 18. In detail, it is mounted at a position 50 cm to 60 cm away from the position forming the boundary B between the first flat portion 19 and the curved portion 18.
  • the upper heat exchanger 15 is placed on the lower heat exchanger 16 on which the bracket 17 is placed.
  • the bracket 17 regulates the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 to be flush with each other.
  • the upper heat exchanger 15 and the lower heat exchanger 16 are connected by the bracket 17 and unitized (bracket installation step).
  • the upper heat exchanger 15 and the lower heat exchanger 16 in a state in which the bracket 17 is provided between the brackets 17 are bent.
  • a semicircular jig 29 is used.
  • the arc portion of the jig 29 is brought into contact with the upper heat exchanger 15 and the lower heat exchanger 16 in the straight state.
  • the processing device (not shown) supports both ends of the upper heat exchanger 15 and the lower heat exchanger 16, and the upper heat exchanger 15 and the lower heat exchanger 16 are arranged along the arc portion. Perform bending (bending step).
  • the upper heat exchanger 15 and the lower heat exchanger 16 (i.e., the air heat exchanger unit 8) subjected to the bending process are disposed at predetermined positions in the heat exchange chamber 3.
  • the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 are regulated flush with each other between the upper heat exchanger 15 and the lower heat exchanger 16 which are disposed in an overlapping manner.
  • the upper heat exchanger 15 and the lower heat exchanger 16 are subjected to bending while the bracket 17 is installed.
  • the bracket 17 regulates the relative movement between the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 during bending. Therefore, at the time of bending, the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 maintain a flush state.
  • the curved portion 18 can be formed while the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 are flush with each other. Therefore, in the air-cooled heat pump chiller 1 having the heat exchanger in which the curved portion 18 is formed, the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 cover the entire area (that is, the first flat portion 19).
  • the curved portion 18 and the second flat portion 20) can be flush with each other, and the aesthetic appearance can be improved.
  • the upper surface of the lower heat exchanger 16 is not exposed on the panel surface which is flush with the lower heat exchanger. Accumulation of dust and the like on the upper surface of the exchanger 16 can be suppressed.
  • the bracket 17 is installed on a first flat portion 19 which is an area adjacent to the curved portion 18. Specifically, the bracket 17 is installed at a position separated by a predetermined distance L (in the present embodiment, 50 cm to 60 cm) from the boundary B between the curved portion 18 and the first flat portion 19.
  • L a predetermined distance
  • the panel surface of the upper heat exchanger 15 and the panel surface of the lower heat exchanger 16 can be flush. Moreover, since it is installed in the position of 50 cm-60 cm from the boundary of the curved part 18 and the 1st plane part 19, when performing a bending process, it bends, without making the bracket 17 and the jig 29 interfere. be able to.
  • a bracket 17 is partially provided on the mounting surface of the lower heat exchanger 16 and the upper heat exchanger 15. This reduces the flow rate of water that is impeded by the bracket 17 when water flows downward (drops) from the upper heat exchanger 15 as compared to the configuration in which the bracket 17 is provided entirely on the mounting surface. be able to. Therefore, water can be prevented from accumulating in the air heat exchanger unit 8.
  • partial means that the length in the horizontal direction of the bracket 17 is about 40% or less of the length in the horizontal direction of the bending portion 18.
  • an opening 28 penetrating in the vertical direction is formed in the bracket 17.
  • the bracket 17 is provided between the upper heat exchanger 15 and the lower heat exchanger 16, but the bracket 17 is interposed between the upper heat exchanger 15 and the lower heat exchanger 16 as follows: Since only the plate-like base 23 is used, the separation distance between the upper heat exchanger 15 and the lower heat exchanger 16 can be suppressed. Therefore, even if the bracket 17 is partially provided on the mounting surface of the lower heat exchanger 16 and the upper heat exchanger 15, the upper heat exchanger 15 and the lower heat at the location where the bracket 17 is provided It is possible to suppress the difference between the separation distance from the exchanger 16 and the separation distance between the upper heat exchanger 15 and the lower heat exchanger 16 at a place where the bracket 17 is not provided.
  • the bracket 17 can be processed from a single plate, the bracket 17 can be easily processed. In detail, as shown in FIG. 5, it can be processed into the state of the bracket 17 according to the present embodiment by bending the one-dot chain line portion of one plate shown in FIG.
  • the present invention is not limited to the above embodiment, and appropriate modifications can be made without departing from the scope of the invention.
  • the upper heat exchanger 15 and the lower heat exchanger 16 are formed in an L shape in the above embodiment, the present invention is not limited thereto.
  • the present invention is applicable to any heat exchanger in which a curved portion is formed, and can also be applied to, for example, a heat exchanger formed in a U-shape.
  • the said embodiment demonstrated the example which mounts the upper heat exchanger 15 with respect to the lower heat exchanger 16 which attached the bracket 17, and forms the air heat exchanger unit 8, the bracket 17 is attached.
  • the upper heat exchanger 15 may be mounted on the lower heat exchanger 16 to form the air heat exchanger unit 8.
  • the refrigerating cycle apparatus which concerns on this invention is refrigerants, such as another heat source machine, a water heater, an air conditioning apparatus. It is applicable also to what has a cycle.
  • Air-cooled heat pump chiller (refrigerating cycle device) DESCRIPTION OF SYMBOLS 2 machine room 3 heat exchange room 5 fan 6 drain pan 7 case 8 air heat exchanger unit 9 heat exchange room case 15 upper heat exchanger 16 lower heat exchanger 17 bracket 18 curved part 19 first plane part 20 second plane Part 23 Base 24 First rising part 25 First hanging part 26 Second rising part 27 Second hanging part 28 Opening 29 Jig

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

Le but de la présente invention est d'améliorer l'aspect extérieur et de contrôler le dépôt de poussières ou analogue sur un échangeur de chaleur. Selon la présente invention, un procédé de fabrication d'un refroidisseur par air de pompe à chaleur qui comprend un échangeur de chaleur inférieur de type panneau (16) et un échangeur de chaleur supérieur de type panneau (15) disposé sur l'échangeur de chaleur inférieur (16), le procédé comprenant : une étape d'installation de support pour installer un support (17) entre l'échangeur de chaleur supérieur (15) et l'échangeur de chaleur inférieur (16), le support (17) reliant et restreignant l'échangeur de chaleur supérieur (15) et l'échangeur de chaleur inférieur (16) de sorte que la surface de panneau de l'échangeur de chaleur supérieur (15) et la surface de panneau de l'échangeur de chaleur inférieur (15) sont dans l'alignement l'une de l'autre; et une étape de cintrage pour effectuer un traitement de cintrage sur l'échangeur de chaleur supérieur (15) et l'échangeur de chaleur inférieur (16) après l'étape d'installation de support, le traitement de cintrage étant effectué de façon à former sur la surface de panneau une section incurvée (18) s'étendant verticalement dans l'échangeur de chaleur supérieur (15) et l'échangeur de chaleur inférieur (16).
PCT/JP2018/041773 2017-11-30 2018-11-12 Procédé de fabrication de dispositif à cycle de réfrigération, et dispositif à cycle de réfrigération Ceased WO2019107121A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-230453 2017-11-30
JP2017230453A JP2019100598A (ja) 2017-11-30 2017-11-30 冷凍サイクル装置の製造方法及び冷凍サイクル装置

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Publication Number Publication Date
WO2019107121A1 true WO2019107121A1 (fr) 2019-06-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04353331A (ja) * 1991-05-29 1992-12-08 Sanyo Electric Co Ltd 熱交換装置
JP2009079851A (ja) * 2007-09-27 2009-04-16 Fujitsu General Ltd 熱交換器ユニットおよび同熱交換器ユニットを備えた空気調和機の室外機
WO2014199515A1 (fr) * 2013-06-14 2014-12-18 三菱電機株式会社 Unité extérieure pour climatiseur et procédé de production pour unité extérieure pour climatiseur
WO2014199490A1 (fr) * 2013-06-13 2014-12-18 三菱電機株式会社 Procédé de fabrication pour une unité d'échange de chaleur, unité d'échange de chaleur et dispositif de climatisation
JP2016109382A (ja) * 2014-12-09 2016-06-20 株式会社デンソー 熱交換器及び室外機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04353331A (ja) * 1991-05-29 1992-12-08 Sanyo Electric Co Ltd 熱交換装置
JP2009079851A (ja) * 2007-09-27 2009-04-16 Fujitsu General Ltd 熱交換器ユニットおよび同熱交換器ユニットを備えた空気調和機の室外機
WO2014199490A1 (fr) * 2013-06-13 2014-12-18 三菱電機株式会社 Procédé de fabrication pour une unité d'échange de chaleur, unité d'échange de chaleur et dispositif de climatisation
WO2014199515A1 (fr) * 2013-06-14 2014-12-18 三菱電機株式会社 Unité extérieure pour climatiseur et procédé de production pour unité extérieure pour climatiseur
JP2016109382A (ja) * 2014-12-09 2016-06-20 株式会社デンソー 熱交換器及び室外機

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