WO2023181327A1 - 熱交換ユニット、および冷凍サイクル装置 - Google Patents

熱交換ユニット、および冷凍サイクル装置 Download PDF

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Publication number
WO2023181327A1
WO2023181327A1 PCT/JP2022/014259 JP2022014259W WO2023181327A1 WO 2023181327 A1 WO2023181327 A1 WO 2023181327A1 JP 2022014259 W JP2022014259 W JP 2022014259W WO 2023181327 A1 WO2023181327 A1 WO 2023181327A1
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WO
WIPO (PCT)
Prior art keywords
electrical component
elastic deformation
lid
heat exchange
component box
Prior art date
Application number
PCT/JP2022/014259
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English (en)
French (fr)
Japanese (ja)
Inventor
憲成 澤田
健太郎 長岐
夏実 石木
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2022/014259 priority Critical patent/WO2023181327A1/ja
Priority to EP22933467.7A priority patent/EP4459200A4/en
Priority to JP2024509632A priority patent/JP7686144B2/ja
Publication of WO2023181327A1 publication Critical patent/WO2023181327A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/22—Arrangement or mounting thereof

Definitions

  • the present disclosure relates to a heat exchange unit and a refrigeration cycle device.
  • an air conditioner that includes an electrical component unit provided with a sealing material that seals between a case body (electrical component box body) and a case lid (lid body). .
  • the present disclosure aims to provide a heat exchange unit having a structure that can suppress loss of airtightness of an electrical component box, and a refrigeration cycle device equipped with such a heat exchange unit. Make it one of the objectives.
  • One aspect of the heat exchange unit according to the present disclosure is a heat exchange unit for a refrigeration cycle device, which includes a casing, a heat exchanger housed inside the casing, and a heat exchanger housed inside the casing.
  • a box-shaped electrical box main body having an opening opening on a first side in a first direction; a lid that is fixed to the electrical component box body and closes the opening; an elastic deformation part that can be elastically deformed in the first direction is formed on an edge of the opening; and the elastic deformation part is in direct or indirect contact with the lid in a state where it is elastically deformed to a second side opposite to the first side in the first direction, and is oriented toward the first side with respect to the lid. It adds the power of
  • One aspect of the refrigeration cycle device includes an outdoor unit and an indoor unit, and the outdoor unit or the indoor unit is the heat exchange unit described above.
  • FIG. 1 is a schematic diagram showing a schematic configuration of a refrigeration cycle device in Embodiment 1.
  • FIG. It is a perspective view showing a part of outdoor unit in Embodiment 1.
  • 1 is an exploded perspective view showing an electrical component box in Embodiment 1.
  • FIG. 2 is an exploded perspective view showing an electrical component box main body and each component fixed to the electrical component box main body in Embodiment 1.
  • FIG. 3 is a perspective view showing an electrical component box main body and a first electrical component in the first embodiment. 3 is a sectional view showing a part of the electrical component box in Embodiment 1, and is a sectional view taken along line VI-VI in FIG. 2.
  • FIG. FIG. 3 is a perspective view showing a lid body in Embodiment 1.
  • FIG. 2 is a perspective view showing a part of the electrical component box main body in Embodiment 1.
  • FIG. 3 is an exploded cross-sectional view showing a part of the electrical component box in the first embodiment.
  • FIG. 7 is a sectional view showing a part of the electrical component box in Embodiment 2.
  • the drawings appropriately indicate an X axis, a Y axis, and a Z axis.
  • the X-axis indicates one of the horizontal directions.
  • the Y axis indicates the other horizontal direction.
  • the Z axis indicates the vertical direction.
  • the horizontal direction along the X-axis will be referred to as the "back-and-forth direction ”.
  • the front-rear direction X, the left-right direction Y, and the vertical direction Z are directions that are orthogonal to each other.
  • the side of the vertical direction Z that the Z-axis arrow points to (+Z side) is referred to as the upper side
  • the side of the vertical direction Z that is opposite to the side that the Z-axis arrow points to (-Z side) is referred to as the lower side.
  • the front-rear direction X the side toward which the X-axis arrow points (+X side) is the front side
  • the front-rear direction X the side opposite to the side toward which the X-axis arrow points (-X side) is the rear side.
  • the left-right direction Y is the left-right direction when the outdoor unit 10 of the following embodiment is viewed from the front side (+X side).
  • the side of the left-right direction Y that the Y-axis arrow points to (+Y side) is the right side
  • the side of the left-right direction Y that is opposite to the side that the Y-axis arrow points to (-Y side) is the left side
  • the vertical direction Z corresponds to the "first direction”.
  • the upper side corresponds to the "first side” in the first direction.
  • the lower side corresponds to a "second side" opposite to the first side in the first direction.
  • FIG. 1 is a schematic diagram showing a schematic configuration of a refrigeration cycle device 100 in the first embodiment.
  • the refrigeration cycle device 100 is a device that uses a refrigeration cycle in which refrigerant 19 circulates.
  • refrigeration cycle device 100 is an air conditioner.
  • the refrigeration cycle device 100 includes an outdoor unit 10, an indoor unit 20, and a circulation path section 18.
  • the outdoor unit 10 is placed outdoors.
  • the indoor unit 20 is placed indoors.
  • the outdoor unit 10 and the indoor unit 20 are connected to each other by a circulation path section 18 through which a refrigerant 19 circulates.
  • the outdoor unit 10 and the indoor unit 20 are heat exchange units that exchange heat with air.
  • the refrigeration cycle device 100 can adjust the temperature of indoor air by exchanging heat between the refrigerant 19 flowing in the circulation path section 18 and the air in the room where the indoor unit 20 is placed.
  • the refrigerant 19 include a fluorine-based refrigerant or a hydrocarbon-based refrigerant that has a low global warming potential (GWP).
  • the density of the refrigerant 19 in the gaseous case is greater than the density of air.
  • the fluorine-based refrigerant with a low global warming potential is, for example, HFC32
  • the hydrocarbon-based refrigerant is, for example, R290 (propane). Both the fluorine-based refrigerant and the hydrocarbon-based refrigerant are flammable refrigerants.
  • the outdoor unit 10 includes a housing 11, a compressor 12, a heat exchanger 13, a flow rate adjustment valve 14, a blower 15, a four-way valve 16, a refrigerant pipe 18a, and a control unit 30. Inside the housing 11, a compressor 12, a heat exchanger 13, a flow rate regulating valve 14, an air blower 15, a four-way valve 16, a refrigerant pipe 18a, and a control unit 30 are housed.
  • the compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are provided in a portion of the circulation path portion 18 located inside the housing 11.
  • the compressor 12, the heat exchanger 13, the flow rate adjustment valve 14, and the four-way valve 16 are connected by a portion of the circulation path portion 18 located inside the housing 11.
  • the four-way valve 16 is provided in a portion of the circulation path section 18 that is connected to the discharge side of the compressor 12.
  • the four-way valve 16 can reverse the direction of the refrigerant 19 flowing within the circulation path section 18 by switching a part of the circulation path section 18 .
  • the path connected by the four-way valve 16 is the path shown by the solid line in the four-way valve 16 in FIG. 1
  • the refrigerant 19 flows in the circulation path section 18 in the direction shown by the solid line arrow in FIG.
  • the path connected by the four-way valve 16 is the path shown by the broken line in the four-way valve 16 in FIG. 1
  • the refrigerant 19 flows in the circulation path portion 18 in the direction shown by the broken line arrow in FIG.
  • the refrigerant pipe 18a is a pipe that constitutes a part of the circulation path section 18.
  • the refrigerant pipe 18a is connected to a pipe extending from the indoor unit 20.
  • a plurality of refrigerant pipes 18a are provided within the casing 11 of the outdoor unit 10.
  • the indoor unit 20 includes a housing 21, a heat exchanger 22, a blower 23, and a control section 24.
  • the housing 21 accommodates a heat exchanger 22, a blower 23, and a control unit 24 therein.
  • the indoor unit 20 is capable of a cooling operation that cools the air in the room where the indoor unit 20 is placed, and a heating operation that warms the air in the room where the indoor unit 20 is placed.
  • the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the solid arrow in FIG. 1. That is, when the indoor unit 20 is operated for cooling, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 13 of the outdoor unit 10, the flow rate adjustment valve 14, and the heat exchanger 22 of the indoor unit 20. are circulated in this order and returned to the compressor 12.
  • the heat exchanger 13 in the outdoor unit 10 functions as a condenser
  • the heat exchanger 22 in the indoor unit 20 functions as an evaporator.
  • the refrigerant 19 flowing within the circulation path section 18 flows in the direction shown by the broken line in FIG. That is, when the indoor unit 20 is operated for heating, the refrigerant 19 flowing in the circulation path section 18 is transferred to the compressor 12, the heat exchanger 22 of the indoor unit 20, the flow rate adjustment valve 14, and the heat exchanger 13 of the outdoor unit 10. are circulated in this order and returned to the compressor 12.
  • the heat exchanger 13 in the outdoor unit 10 functions as an evaporator
  • the heat exchanger 22 in the indoor unit 20 functions as a condenser.
  • FIG. 2 is a perspective view showing a part of the outdoor unit 10.
  • the housing 11 includes a blower room 11a and a machine room 11b, which are partitioned from each other by a partition member 11c.
  • the partition member 11c extends in the vertical direction Z.
  • the partition member 11c has a substantially rectangular plate shape with a plate surface facing in the left-right direction Y.
  • the upper end of the partition member 11c is arranged downwardly away from the top panel (not shown) of the housing 11.
  • a top panel (not shown) is a wall located at the upper side of the walls forming the housing 11.
  • the blower room 11a and the machine room 11b are arranged adjacent to each other in the left-right direction Y.
  • the dimension of the blower room 11a in the left-right direction Y is larger than the dimension of the machine room 11b in the left-right direction Y.
  • the blower room 11a is located on the left side of the machine room 11b.
  • a heat exchanger 13 and a blower 15 are arranged inside the blower chamber 11a.
  • the heat exchanger 13 has a substantially L-shape when viewed in the vertical direction Z.
  • the heat exchanger 13 includes a first portion 13a extending in the left-right direction Y when viewed in the vertical direction Z, and a second portion 13b extending toward the front side (+X side) from the left end of the first portion 13a when viewed in the vertical direction Z. and has.
  • the first portion 13a is arranged at the rear end inside the blower chamber 11a.
  • the right end portion of the first portion 13a is exposed within the machine room 11b.
  • a refrigerant pipe 18a arranged in the machine room 11b is connected to the right end portion of the first portion 13a. Thereby, the refrigerant pipe 18a is connected to the heat exchanger 13.
  • the second portion 13b is arranged at the left end inside the blower chamber 11a.
  • the blower 15 is located in front of the first portion 13a of the heat exchanger 13 and on the right side of the second portion 13b of the heat exchanger 13.
  • blower 15 When the blower 15 is driven, air is sucked into the blower chamber 11a from a suction port (not shown) provided on the rear (-X side) wall of the blower chamber 11a. The air sucked into the blower chamber 11a passes through the heat exchanger 13 and is blown out to the outside of the housing 11 from an outlet (not shown) provided on the front (+X side) wall of the blower chamber 11a. . In this way, the blower 15 sends air to the heat exchanger 13.
  • a compressor 12 is arranged inside the machine room 11b.
  • the compressor 12 is arranged in the lower part of the inside of the machine room 11b.
  • the compressor 12 has a substantially cylindrical shape extending in the vertical direction Z.
  • a plurality of refrigerant pipes 18a are arranged inside the machine room 11b.
  • the control unit 30 controls each part of the outdoor unit 10.
  • the control unit 30 is, for example, a system control section that controls the entire refrigeration cycle apparatus 100. As shown in FIG. 2, the control unit 30 is arranged across the inside of the blower room 11a and the inside of the machine room 11b. The control unit 30 extends in the left-right direction Y.
  • the control unit 30 includes an electrical component box 40, a first electrical component 70, a connecting portion 31, a wall member 50, a holding member 60, and second electrical components 73 and 74.
  • the electrical component box 40 is box-shaped and long in the left-right direction Y.
  • the electrical component box 40 is housed inside the housing 11.
  • the electrical component box 40 is arranged inside the blower room 11a.
  • the electrical component box 40 is located above and apart from the blower 15 inside the blower room 11a.
  • the electrical component box 40 is located at the upper end inside the blower room 11a.
  • the electrical component box 40 is fixed to the housing 11.
  • the right end of the electrical component box 40 is located farther to the left than the partition member 11c.
  • the electrical component box 40 is made of metal.
  • the electrical component box 40 is made, for example, by pressing a sheet metal.
  • FIG. 3 is an exploded perspective view showing the electrical component box 40.
  • the electrical box 40 includes an electrical box main body 41 and a lid 42.
  • the electrical box main body 41 is a box-shaped member having an opening 41h that opens upward.
  • the opening 41h has a rectangular shape having a pair of sides extending in the front-rear direction X and a pair of sides extending in the left-right direction Y.
  • the opening 41h extends in the left-right direction Y.
  • the bottom wall portion 41a of the electrical box main body 41 has an inclined wall portion 41b that is inclined in the front-rear direction X with respect to a plane (XY plane) perpendicular to the vertical direction Z.
  • the inclined wall portion 41b is located at the upper side toward the rear side (-X side).
  • the inclined wall portion 41b constitutes a rear portion of the bottom wall portion 41a.
  • the rear end of the inclined wall portion 41b is the rear end of the bottom wall portion 41a.
  • the bottom wall portion 41a is a wall portion located at the lower side of the wall portions that constitute the electrical component box main body 41.
  • FIG. 4 is an exploded perspective view showing the electrical component box body 41 and each component fixed to the electrical component box body 41. As shown in FIG. 4, a rectangular through hole 41f is formed in the inclined wall portion 41b. The through hole 41f is formed on the right side (+Y side) of the inclined wall portion 41b.
  • the first electrical component 70 is fixed to the inner surface of the inclined wall portion 41b facing the inside of the electrical component box body 41.
  • the first electrical component 70 is housed inside the electrical component box 40.
  • the first electrical component 70 includes a substrate 71 and a plurality of electrical components 72 attached to the substrate 71.
  • the substrate 71 has a rectangular plate shape with the plate surface facing upward and forward (+X side).
  • the board 71 is a control board on which a control circuit for controlling the outdoor unit 10 is mounted.
  • a plurality of electrical components 72 are attached to the upper surface of the board 71.
  • the plurality of electrical components 72 include a microcomputer that controls each part of the outdoor unit 10, a switch component that switches the connection state of a part of the control circuit mounted on the board 71, and the like.
  • the substrate 71 is fixed to the inclined wall portion 41b via the substrate holding member 47.
  • the board holding member 47 includes a resin case 47a that supports the board 71 from below, and a frame-shaped resin holder 47b that sandwiches the outer edge of the board 71 between the resin case 47a. .
  • the resin holder 47b is fixed to the resin case 47a with a plurality of bolts 92.
  • the resin case 47a is fixed to the inclined wall portion 41b with a plurality of bolts 93.
  • a plurality of bolts 93 are passed from the outside of the electrical component box 40 through bolt holes formed at the peripheral edge of the through hole 41f in the inclined wall portion 41b, and tightened into the resin case 47a.
  • a rectangular frame-shaped sealing member 82 is provided between the resin case 47a and the inclined wall portion 41b.
  • the frame-shaped seal member 82 seals between the resin case 47a and the inclined wall portion 41b.
  • the frame-shaped seal member 82 is configured by combining a pair of first seal members 82a extending in the direction in which the inclined wall portion 41b is inclined and a pair of second seal members 82b extending in the left-right direction Y into a rectangular frame shape. ing. Holes are formed in the pair of first sealing materials 82a and the pair of second sealing materials 82b, through which bolts 93 for fixing the resin case 47a to the inclined wall portion 41b are passed.
  • the frame-shaped seal member 82 is elastically deformable.
  • the frame-shaped sealing member 82 is made of, for example, urethane and EPDM (Ethylene Propylene Diene Methylene) material (ethylene propylene diene rubber).
  • a heat sink 48 is attached to the lower surface of the resin case 47a with a plurality of bolts 91.
  • the heat sink 48 protrudes to the outside of the electrical component box 40 through a through hole 41f formed in the inclined wall portion 41b.
  • the heat sink 48 includes a base 48a, a plurality of fins 48b protruding downward and rearward (-X side) from the base 48a, and a pair of flange parts 48c protruding from the base 48a to both sides in the left-right direction Y. .
  • the base portion 48a is in contact with a heat generating component of the electrical components 72 attached to the board 71 via a through hole 47c formed in the resin case 47a.
  • the base portion 48a closes the through hole 41f formed in the inclined wall portion 41b from the inside of the electrical component box body 41.
  • the pair of flange portions 48c are fixed to the resin case 47a with a plurality of bolts 91.
  • the plurality of fins 48b have a rectangular plate shape with a plate surface facing in the left-right direction Y.
  • the plurality of fins 48b are arranged side by side in the left-right direction Y at intervals.
  • the plurality of fins 48b protrude to the outside of the electrical component box 40 downward and rearward (-X side) from a through hole 41f formed in the inclined wall portion 41b.
  • the heat sink 48 is attached to the inclined wall portion 41b via the resin case 47a, so that the plurality of fins 48b protrude in a direction inclined in the front-rear direction X with respect to the vertical direction Z.
  • the flow of air generated by the blower 15 can be made less likely to be obstructed by the plurality of fins 48b.
  • the heat generated in the first electric component 70 can be released from the plurality of fins 48b to the air. Thereby, the first electrical component 70 can be cooled.
  • a frame-shaped seal member 81 is provided between the resin case 47a and the heat sink 48.
  • the frame-shaped seal member 81 seals between the resin case 47a and the heat sink 48.
  • the frame-shaped sealing member 81 is configured by combining a pair of first sealing materials 81a extending in the direction in which the inclined wall portion 41b is inclined and a pair of second sealing materials 81b extending in the left-right direction Y into a rectangular frame shape. ing.
  • the frame-shaped seal member 81 is elastically deformable.
  • the frame-shaped sealing member 81 is made of, for example, urethane, EPDM (Ethylene Propylene Diene Methylene) material (ethylene propylene diene rubber), and the like.
  • the frame-shaped seal member 81 and the frame-shaped seal member 82 seal the through hole 41f formed in the inclined wall portion 41b. This prevents the refrigerant 19 from entering the electrical component box 40 through the through hole 41f.
  • the first electrical component 70, the board holding member 47, and the heat sink 48 are rarely removed after being fixed to the electrical component box body 41. Therefore, the frame-shaped seal member 81 and the frame-shaped seal member 82 are unlikely to deteriorate, and the sealing performance of the through hole 41f is unlikely to be impaired.
  • FIG. 5 is a perspective view showing the electrical component box main body 41 and the first electrical component 70.
  • elastic deformation parts 43, 44, 45, and 46 are formed at the edges of the opening 41h of the electrical box main body 41.
  • the elastically deformable parts 43, 44, 45, and 46 are parts that can be elastically deformed in the vertical direction Z.
  • the elastically deformable portions 43, 44, 45, and 46 are formed by pressing a sheet metal.
  • the elastic deformation parts 43, 44, 45, and 46 are integrally formed with the electrical component box body 41.
  • the elastic deformation portion 43 is formed at the edge located on the rear side (-X side) of the edge of the rectangular opening 41h.
  • the elastic deformation portion 44 is formed at the edge located on the front side (+X side) of the edge of the rectangular opening 41h.
  • the elastic deformation portion 45 is formed at the edge located on the left side (-Y side) of the edge of the rectangular opening 41h.
  • the elastic deformation portion 46 is formed at the edge located on the right side (+Y side) of the edge of the rectangular opening 41h.
  • the elastic deformation portion 43 and the elastic deformation portion 44 extend in the left-right direction Y.
  • the elastic deformation portion 45 and the elastic deformation portion 46 extend in the front-rear direction X.
  • Each elastic deformation part 43, 44, 45, 46 is formed over almost the entirety of each edge forming the rectangular opening 41h.
  • the elastic deformation parts 43, 44, 45, and 46 will be described in detail later.
  • the electrical component box main body 41 is provided with flange portions 41c, 41d, and 41e.
  • the flange portion 41c protrudes rearward from the upper end portion of the rear ( ⁇ X side) surface of the electrical component box body 41.
  • the flange portion 41d protrudes forward from the upper end of the front (+X side) surface of the electrical box main body 41.
  • the flange portion 41e protrudes to the left from the left end ( ⁇ Y side) of the elastic deformation portion 45.
  • the flange portion 41c and the flange portion 41d are elongated rectangular plates extending in the left-right direction Y.
  • the flange portion 41e has an elongated rectangular plate shape extending in the front-rear direction X.
  • the plate surfaces of the flange portions 41c, 41d, and 41e face the vertical direction Z.
  • the flange portions 41c and 41d are formed by a part of a separate member fixed to the electrical component box main body 41.
  • the separate members forming the flange portions 41c and 41d are L-shaped sheet metal members when viewed in the left-right direction Y.
  • the flange portion 41e is integrally formed with the elastically deformable portion 45.
  • FIG. 6 is a sectional view showing a part of the electrical component box 40, and is a sectional view taken along line VI-VI in FIG.
  • the lid body 42 is located above the electrical component box body 41.
  • the lid body 42 is fixed to the electrical component box body 41.
  • the lid 42 closes the opening 41h of the electrical box main body 41.
  • the lid body 42 includes a top plate portion 42a, a frame portion 42b, and flange portions 42c, 42d, and 42e.
  • the top plate portion 42a has a rectangular plate shape that is long in the left-right direction Y.
  • the plate surface of the top plate portion 42a faces the vertical direction Z.
  • the frame portion 42b projects downward from the outer peripheral edge of the top plate portion 42a.
  • the frame portion 42b has a rectangular frame shape having a pair of sides extending in the front-rear direction X and a pair of sides extending in the left-right direction Y.
  • the upper end portion of the electrical component box body 41 is fitted inside the frame portion 42b.
  • the flange portion 42c protrudes rearward from the lower end of the portion of the frame portion 42b located on the rear side (-X side).
  • the flange portion 42d protrudes forward from the lower end of the portion of the frame portion 42b located on the front side (+X side).
  • the flange portion 42e protrudes to the left from the lower end of the portion of the frame portion 42b located on the left side (-Y side).
  • the flange portion 42c and the flange portion 42d are elongated rectangular plates extending in the left-right direction Y.
  • the flange portion 42e has an elongated rectangular plate shape extending in the front-rear direction X.
  • the plate surfaces of the flange portions 42c, 42d, and 42e face the vertical direction Z.
  • the flange portion 42c is placed over the flange portion 41c provided on the electrical box main body 41.
  • the flange portion 42d is placed over the flange portion 41d provided on the electrical component box body 41.
  • the flange portion 42e is placed over the flange portion 41e provided on the electrical component box body 41.
  • the flange portion 42c is fixed to the flange portion 41c by three fastening members 90.
  • the flange portion 42d is fixed to the flange portion 41d by three fastening members 90.
  • the flange portion 42e is fixed to the flange portion 41e by two fastening members 90.
  • the lid body 42 is fixed to the electrical component box main body 41 by a plurality of fastening members 90 that fix each flange portion 42c, 42d, and 42e.
  • the fastening member 90 is a self-tapping screw.
  • FIG. 7 is a perspective view showing the lid body 42.
  • a frame-shaped seal member 80 is fixed to the lower surface of the top plate portion 42a of the lid body 42.
  • the frame-shaped seal member 80 has a rectangular frame shape that is long in the left-right direction Y.
  • the frame-shaped seal member 80 is fixed to the outer peripheral edge of the lower surface of the top plate portion 42a over one circumference.
  • the frame-shaped seal member 80 is bonded to the lower surface of the top plate portion 42a using, for example, an adhesive.
  • the frame-shaped seal member 80 is fitted inside the frame portion 42b of the lid body 42.
  • the frame-shaped seal member 80 seals between the elastically deformable parts 43, 44, 45, and 46 and the lid 42.
  • the frame-shaped sealing member 80 is configured by combining a pair of sealing materials 80a and 80b extending in the left-right direction Y and a pair of sealing materials 80c and 80d extending in the front-back direction X into a rectangular frame shape. ing.
  • the sealing material 80a constitutes a portion of the frame-shaped sealing member 80 located on the rear side (-X side).
  • the sealing material 80b constitutes a portion of the frame-shaped sealing member 80 located on the front side (+X side).
  • the sealing material 80c constitutes a portion of the frame-shaped sealing member 80 located on the left side (-Y side).
  • the sealing material 80d constitutes a portion of the frame-shaped sealing member 80 located on the right side (+Y side).
  • the frame-shaped seal member 80 is elastically deformable.
  • the materials constituting each of the sealing materials 80a, 80b, 80c, and 80d of the frame-shaped sealing member 80 include, for example, urethane and EPDM (Ethylene Propylene Diene Methylene) material (ethylene propylene diene rubber).
  • the elastic deformation parts 43, 44, 45, and 46 will be explained in more detail.
  • the elastic deformation part 43 will be explained as a representative among the elastic deformation parts 43, 44, 45, and 46, and the elastic deformation parts 44, 45, and 46 will be explained with the same structure as the elastic deformation part 43. Explanation may be omitted.
  • FIG. 8 is a perspective view showing a part of the electrical component box main body 41, and is a partially enlarged view of FIG. 5.
  • FIG. 9 is an exploded cross-sectional view showing a part of the electrical component box 40. As shown in FIG. 5, FIG. 8, and FIG. 9 show a state in which the lid 42 is not fixed to the electrical component box main body 41 and the elastically deformable portion 43 is not elastically deformed.
  • FIG. 6 shows a state in which the lid body 42 is fixed to the electrical component box main body 41 and the elastically deformable portion 43 is elastically deformed.
  • the description of the elastically deformable portion 43 refers to the state in which the lid body 42 is fixed to the electrical component box main body 41, that is, the state in which the elastically deformable portion 43 is elastically deformed. This shall be an explanation of
  • the elastic deformation portion 43 protrudes from the edge of the opening 41h toward the inside of the opening 41h when viewed from above.
  • the elastic deformation portion 43 protrudes from the edge of the opening 41h to the front side (+X side).
  • the elastically deformable portion 43 extends from the edge of the opening 41h in the front-rear direction X. and extends in a direction inclined to the vertical direction Z. In a state where it is not elastically deformed, the elastically deformable portion 43 protrudes upward from the edge of the opening 41h toward the front.
  • the elastically deformable portion 43 in a state in which the elastically deformable portion 43 is not elastically deformed, as it moves away from the edge of the opening 41h in the front-rear direction X, it also moves away from the opening 41h in the vertical direction Z.
  • the inclination ⁇ of the direction in which the elastically deformable portion 43 protrudes with respect to the front-rear direction X is, for example, about 5° or more and 30° or less.
  • the elastic deformation portion 43 extends from the edge of the opening 41h to the lower surface of the sealing material 80a in the front-back direction protruding along.
  • the elastically deformable portion 43 is in indirect contact with the lid 42 in a downwardly elastically deformed state.
  • a certain object is in indirect contact with another object means that a certain object is placed with another member sandwiched between it and the other object, and the other member is in contact with another object. It means that one object is in contact with another object.
  • the elastic deformation portion 43 is disposed between the top plate portion 42a of the lid body 42 and the sealing material 80a of the frame-shaped sealing member 80 in the vertical direction Z, and the sealing material 80a is disposed between the top plate portion 42a of the lid body 42 and the top plate portion 42a. and the elastically deformable portion 43. Thereby, the elastically deformable portion 43 is in indirect contact with the lid body 42 via the sealing material 80a.
  • the elastic deformation portion 43 is in contact with the lower surface of the sealing material 80a.
  • the elastic deformation portion 43 applies an upward force F to the sealing material 80a.
  • the elastic deformation portion 43 presses the sealing material 80a against the lid body 42.
  • the elastically deformable portion 43 presses the sealing material 80a against the lower surface of the top plate portion 42a.
  • the elastic deformation portion 43 applies an upward force F to the lid body 42 by applying an upward force F to the sealing material 80a.
  • the elastic deformation section 43 has a leaf spring section 43a and a bent section 43b.
  • the leaf spring portion 43a protrudes in the front-rear direction X from the edge of the opening 41h.
  • the leaf spring portion 43a has a rectangular plate shape extending in the left-right direction Y.
  • the upper plate surface of the leaf spring portion 43a is in contact with the lower surface of the sealing material 80a.
  • the plate spring portion 43a is in indirect contact with the lid body 42 via the sealing material 80a.
  • the leaf spring portion 43a can be elastically deformed in the vertical direction Z using the edge of the opening 41h as a fulcrum.
  • the leaf spring portion 43a applies an upward force F to the lid body 42 via the sealing material 80a.
  • the upper plate surface of the plate spring portion 43a is a flat portion 43d.
  • the plane portion 43d is in indirect contact with the lid 42 via the sealing material 80a.
  • the flat portion 43d is a flat surface perpendicular to the vertical direction Z when the lid 42 is fixed to the electrical box main body 41.
  • the plane portion 43d applies an upward force F to the lid body 42 via the sealing material 80a.
  • the flat portion 43d is an inclined surface inclined at an angle ⁇ with respect to a plane (XY plane) perpendicular to the vertical direction Z. It has become.
  • the bent portion 43b is connected to the tip of the leaf spring portion 43a in the front-rear direction X.
  • the bent portion 43b is connected to the front end (+X side) of the leaf spring portion 43a.
  • the bent portion 43b is bent downward with respect to the leaf spring portion 43a.
  • the bent part 43b is bent downward with respect to the leaf spring part 43a
  • the bent portion 43b is bent downward from the tip of the leaf spring portion 43a and folded back to the rear side (-X side).
  • the bent portion 43b is located below the leaf spring portion 43a.
  • a gap is provided between the bent portion 43b and the leaf spring portion 43a in the vertical direction Z.
  • the bent portion 43b is disposed farther downward from the top plate portion 42a of the lid body 42 than the leaf spring portion 43a.
  • a connecting portion 43c between the leaf spring portion 43a and the bent portion 43b is rounded.
  • the connecting portion 43c has an arcuate shape that is convex toward the front (+X side) when viewed in the left-right direction Y.
  • the connecting portion 43c is the tip of the elastically deformable portion 43 in the front-rear direction X.
  • the connecting portion 43c is the front end of the elastically deformable portion 43.
  • the connecting portion 43c is arranged at a position overlapping the sealing material 80a when viewed in the vertical direction Z.
  • the connecting portion 43c is located apart in the front-back direction X from both ends of the sealing material 80a in the front-back direction X with which the elastic deformation portion 43 contacts.
  • the connecting portion 43c is located away from the inner edge of the frame-shaped seal member 80 on the rear side ( ⁇ X side).
  • the connecting portion 43c is located between the inner edge of the frame-shaped seal member 80 and the outer edge of the frame-shaped seal member 80 when viewed in the vertical direction Z.
  • the distance L in the vertical direction Z between the upper end of the elastically deformable part 43 and the edge of the opening 41h in a state where it is not elastically deformed is equal to the thickness T in the vertical direction Z of the sealing material 80a. larger than As a result, even if the frame-shaped sealing member 80 is not provided, by fixing the lid body 42 to the electrical component box body 41, the top plate portion 42a comes into contact with the elastically deformable portion 43, and the elastically deformable portion 43 It can be elastically deformed downward.
  • the elastic deformation part 44 is similar to the elastic deformation part 43 except that it is provided symmetrically in the front-rear direction X with respect to the elastic deformation part 43.
  • the elastic deformation portion 44 presses the sealing material 80b against the lid body 42.
  • the elastically deformable portion 45 and the elastically deformable portion 46 protrude from the edge of the opening 41h toward the outside of the opening 41h when viewed from above.
  • the elastic deformation portion 45 protrudes to the left (-Y side) from the edge of the opening 41h.
  • the elastic deformation portion 46 protrudes to the right (+Y side) from the edge of the opening 41h.
  • the elastic deformation portion 45 and the elastic deformation portion 46 are provided symmetrically in the left-right direction Y.
  • the elastic deformation portion 45 presses the sealing material 80c against the lid body 42.
  • the elastic deformation portion 46 presses the sealing material 80d against the lid body 42.
  • the front-rear direction X in which the elastic deformation parts 43 and 44 protrude from the edge of the opening 41h and the left-right direction Y in which the elastic deformation parts 45 and 46 protrude from the edge of the opening 41h are respectively This corresponds to a "second direction" that intersects with the first direction.
  • the connecting portion 31 protrudes to the right from the upper end of the electrical component box 40.
  • the connecting portion 31 has a substantially rectangular parallelepiped shape that is flat in the vertical direction Z.
  • the right end portion of the connecting portion 31 is located apart above the partition member 11c.
  • the holding member 60 is arranged inside the machine room 11b.
  • the holding member 60 is fixed to the electrical component box 40 via the connecting portion 31 and the wall member 50.
  • the holding member 60 is a member that holds the second electrical components 73 and 74.
  • the holding member 60 includes a first holding part 61 and a second holding part 62.
  • the first holding part 61 and the second holding part 62 are separate members.
  • the first holding part 61 and the second holding part 62 are sheet metal members.
  • the first holding part 61 and the second holding part 62 are fixed to each other.
  • a second electrical component 73 is held in the first holding portion 61 .
  • a second electrical component 74 is held in the second holding portion 62 .
  • the second electrical components 73 and 74 are electrically connected to the substrate 71 of the first electrical component 70 by wiring (not shown).
  • the second electrical component 73 is a sensor board to which a sensor (not shown) arranged in the machine room 11b is electrically connected.
  • no switch components are mounted on the second electrical component 73, which is a sensor substrate.
  • the second electrical component 74 is a terminal block to which a plurality of wires are connected.
  • the wall member 50 is located above the partition member 11c.
  • the wall member 50 is located between the partition member 11c and a top panel (not shown) of the housing 11 in the vertical direction Z.
  • the wall member 50 closes the gap between the partition member 11c and the top panel.
  • a hole is formed in the wall member 50 through which a wire connecting the first electrical component 70 housed in the electrical component box 40 and the component arranged in the machine room 11b is passed. .
  • the procedure for attaching the lid body 42 to the electrical component box body 41 will be explained.
  • the operator who attaches the lid 42 to the electrical box body 41 approaches the lid 42 to which the frame-shaped seal member 80 is fixed to the electrical box main body 41 from above.
  • the operator brings the lid 42 close to the electrical component box body 41 until the flange portions 42c, 42d, and 42e of the lid body 42 come into contact with the respective flange portions 41c, 41d, and 41e of the electrical component box body 41, and then
  • the portions 42c, 42d, and 42e are fixed to the respective flange portions 41c, 41d, and 41e using fastening members 90.
  • each sealing material 80a, 80b, 80c, 80d constituting the frame-shaped seal member 80 , 44, 45, and 46, respectively.
  • each elastic deformation part 43, 44, 45, 46 is pushed by the top plate part 42a of the lid 42 via the frame-shaped seal member 80. Elastically deforms downward.
  • each elastic deformation part 43, 44, 45, 46 is elastically deformed downward, and the lid body 42 can be attached to the electrical component box body 41.
  • an elastic deformation portion 43 that can be elastically deformed in the vertical direction Z is formed at the edge of the opening 41h of the electrical box main body 41.
  • the elastic deformation portion 43 is in indirect contact with the lid 42 in a state of being elastically deformed downward in the opposite direction from the upper side in the vertical direction Z, and applies an upward force F to the lid 42. . Therefore, it is possible to suppress the generation of a gap between the electrical component box main body 41 and the lid body 42, and it is possible to suppress the sealing performance of the electrical component box 40 from being impaired.
  • the refrigerant 19 leaked into the machine room 11b is, for example, in a gaseous state.
  • the sealing material 80a is provided between the elastically deformable portion 43 and the lid 42 in the vertical direction Z, and the elastically deformable portion 43 presses the sealing material 80a against the lid 42. Therefore, even if compressive permanent strain occurs in the sealing material 80a due to age or the like, the state in which the sealing material 80a is brought into close contact with the elastically deformable portion 43 and the lid body 42 can be maintained. Moreover, even if the sealing material 80a is peeled off from the lid 42, it is possible to suppress the formation of a gap between the sealing material 80a and the lid 42. As a result, the seal between the electrical box main body 41 and the lid body 42 by the sealing material 80a can be suitably maintained. Therefore, the loss of airtightness of the electrical component box 40 can be further suppressed.
  • the elastic deformation portion 43 protrudes from the edge of the opening 41h in the front-rear direction X intersecting the vertical direction Z.
  • the distal end portion of the elastically deformable portion 43 in the front-rear direction X, that is, the connecting portion 43c is arranged at a position overlapping the sealing material 80a when viewed in the vertical direction Z. Therefore, it is possible to prevent the connecting portion 43c of the elastically deformable portion 43 from coming into direct contact with the top plate portion 42a of the lid body 42, and it is possible to appropriately bring the elastically deformable portion 43 into contact with the sealing material 80a. Thereby, it is possible to more preferably suppress the occurrence of a gap between the elastically deformable portion 43 and the sealing material 80a, and it is possible to further suppress the sealing performance of the electrical component box 40 from being impaired.
  • the distal end portion of the elastic deformation portion 43 in the front-rear direction X is rounded.
  • the connecting portion 43c of the elastically deformable portion 43 is located above the other portions of the elastically deformable portion 43. Therefore, when attaching the lid body 42 to the electrical component box body 41, the connecting portion 43c comes into contact with the sealing material 80a first. At this time, if the connecting portion 43c has a shape with a sharp corner, there is a possibility that the corner may get caught on the sealing material 80a, making it difficult to elastically deform the elastically deformable portion 43.
  • the sealing material 80a may be damaged by the corner.
  • the connecting portion 43c is rounded, it is possible to prevent the connecting portion 43c from getting caught on the sealing material 80a when attaching the lid 42 to the electrical box main body 41. .
  • the elastic deformation portion 43 can be easily elastically deformed, and the lid body 42 can be easily attached to the electrical component box body 41.
  • damage to the sealing material 80a due to the connecting portion 43c can be suppressed, and damage to the airtightness of the electrical component box 40 can be further suppressed.
  • the front end portion of the elastic deformation portion 43 in the front-back direction X is located away from both ends of the sealing material 80a in the front-back direction X in the front-back direction X. Therefore, even if variations occur in the dimensions of the sealing material 80a, the elastically deformable portion 43 can be suitably brought into contact with the sealing material 80a.
  • the elastic deformation portion 43 is a plate spring portion that protrudes from the edge of the opening 41h in the front-rear direction X intersecting the vertical direction Z, and applies an upward force F to the lid body 42. 43a, and a bent portion 43b connected to the tip of the leaf spring portion 43a in the direction in which the leaf spring portion 43a protrudes (front-back direction X) and bent downward with respect to the leaf spring portion 43a. Therefore, the distal end portion of the elastically deformable portion 43 in the front-rear direction X, that is, the connecting portion 43c, can be easily made into a rounded shape.
  • the elastic deformation portion 43 has a flat portion 43d that applies an upward force F to the lid body 42. Therefore, the area of the portion of the elastic deformation portion 43 that applies the force F upward to the lid 42 can be increased, and it is easier to prevent the sealing performance of the electrical component box 40 from being impaired. Further, in the configuration in which the flat portion 43d contacts the sealing material 80a as in the first embodiment, the area of the portion of the elastically deformable portion 43 that contacts the sealing material 80a can be increased, and the elastically deformable portion 43 provides a suitable The sealing material 80a can be pressed down. Thereby, it is possible to more suitably suppress the loss of airtightness of the electrical component box 40.
  • the effects of the elastically deformable portion 43 described above can be obtained similarly for the elastically deformable portions 44, 45, and 46.
  • the elastic deformation portion 44 presses the sealing material 80b against the lid body 42.
  • the elastic deformation portion 45 presses the sealing material 80c against the lid body 42.
  • the elastic deformation portion 46 presses the sealing material 80d against the lid body 42.
  • the four elastically deformable parts 43, 44, 45, and 46 respectively attach the four sealing materials 80a, 80b, 80c, and 80d constituting the frame-shaped sealing member 80 to the lid body 42. can be pressed against. Thereby, it is possible to suitably suppress the loss of airtightness of the electrical component box 40 over the entire circumference of the opening 41h.
  • the lid body 42 is relatively often opened and closed with respect to the electrical component box body 41 for purposes such as inspection of the first electrical component 70. Therefore, the airtightness of the opening 41h of the electrical component box body 41 is poorer than that of the through hole 41f formed in the inclined wall portion 41b to which the board holding member 47 and heat sink 48 are attached, which are rarely removed. easily damaged.
  • the elastic deformation parts 43, 44, 45, and 46 suppress the generation of a gap between the lid 42 and the electrical box main body 41, and seal the opening 41h. Therefore, even if the lid body 42 is opened and closed with respect to the electrical component box body 41 multiple times, it is possible to suitably suppress the refrigerant 19 from entering into the electrical component box 40.
  • the through holes 41f formed in the inclined wall portion 41b do not need to be provided with structures such as the elastic deformation portions 43, 44, 45, and 46. Airtightness is unlikely to be impaired.
  • a structure that can ensure hermeticity, such as the elastic deformation parts 43, 44, 45, and 46 only in parts where hermeticity is likely to be impaired, the structure of the electrical component box 40 is prevented from becoming complicated. At the same time, entry of the refrigerant 19 into the electrical component box 40 can be suitably suppressed.
  • the same structure as the elastic deformation parts 43, 44, 45, and 46 may be adopted also in the part where the through hole 41f is sealed.
  • the electrical component box 40 is arranged inside the blower room 11a. Since the refrigerant 19 easily leaks inside the machine room 11b, by arranging the electrical component box 40 within the blower room 11a, it is possible to further suppress the refrigerant 19 from entering the electrical component box 40. Further, as described above, the density of the refrigerant 19 in the case of gaseous state is higher than the density of air. Therefore, by arranging the electrical component box 40 in the upper part of the blower room 11a, even if the refrigerant 19 leaking in the machine room 11b flows into the blower room 11a, the refrigerant 19 will be moved to the lower part by gravity. The flow to the electrical component box 40 is suppressed. Therefore, it is possible to more preferably suppress the refrigerant 19 from entering the electrical component box 40.
  • FIG. 10 is a cross-sectional view showing a part of the electrical component box 240 in the second embodiment. Note that, in the following description, the same components as those in the embodiment described above may be given the same reference numerals as appropriate, and the description thereof may be omitted.
  • the elastically deformable portion 243 has a curved portion 243e that extends in a curved shape that is convex upward from the edge of the opening 41h.
  • the elastic deformation section 243 consists of a curved section 243e.
  • the curved portion 243e has an arcuate shape that is upwardly convex when viewed in the left-right direction Y. More specifically, the curved portion 243e has a substantially semicircular arc shape that is convex upward when viewed in the left-right direction Y.
  • the curved portion 243e is in contact with the lower surface of the sealing material 80a.
  • the upper end of the curved portion 243e is in contact with the lower surface of the sealing material 80a.
  • the curved portion 243e presses the sealing material 80a against the top plate portion 42a of the lid body 42.
  • the curved portion 243e applies an upward force F to the lid 42 via the sealing material 80a.
  • other elastic deformation parts other than the elastic deformation part 243 also have curved parts like the elastic deformation part 243.
  • the other configurations of electrical component box 240 are similar to the other configurations of electrical component box 40 in the first embodiment.
  • the elastic deformation portion 243 applies an upward force F to the lid body 42 via the curved portion 243e. Therefore, the portion of the elastically deformable portion 243 that contacts the sealing material 80a becomes the apex of a curved portion 243e that extends in a curved shape convex upward from the edge of the opening 41h.
  • the force applied to the elastic deformation portion 243 through the sealing material 80a is likely to be applied directly downward. Therefore, when attaching the lid body 42 to the electrical component box body 41, the downward force required to elastically deform the elastic deformation portion 243 can be reduced. Therefore, the lid body 42 can be easily attached to the electrical component box body 41.
  • the shape of the elastic deformation part is not particularly limited.
  • the elastic deformation portion may be made in any manner.
  • the elastic deformation portion may be made of resin.
  • the elastic deformation portion and the electrical component box body may be integrally molded from resin.
  • the number of elastic deformation parts is not particularly limited as long as it is one or more. For example, in the first embodiment described above, some of the four elastic deformation parts 43, 44, 45, and 46 may not be provided.
  • the elastic deformation portion may be formed only at a portion of the edge of the opening of the electrical box main body where there is a relatively high possibility that the refrigerant will enter.
  • the sealing material provided between the elastic deformation part and the lid in the first direction (vertical direction Z) may be made of any material if it can seal between the elastic deformation part and the lid. It may be.
  • the frame-shaped sealing member 80 may be formed by integrally molding four sealing materials 80a, 80b, 80c, and 80d to form one sealing material.
  • a sealing material may not be provided between the elastically deformable portion and the lid in the first direction (vertical direction Z). In this case, the elastically deformable portion directly contacts the lid in an elastically deformed state, thereby sealing between the lid and the electrical box body.
  • the electrical component box may be placed anywhere inside the housing of the heat exchange unit.
  • the electrical component box 40 may be placed inside the machine room 11b.
  • the first direction in which the opening of the electrical box main body opens is not particularly limited, and may be a direction other than the vertical direction.
  • the second direction, which is the direction in which the elastically deformable portion protrudes from the edge of the opening of the electrical box main body, may be any direction that intersects with the first direction, and may not be orthogonal to the first direction.
  • the heat exchange unit of the present disclosure may be an indoor unit of a refrigeration cycle device.
  • the refrigeration cycle device equipped with the heat exchange unit of the present disclosure may be any device that utilizes a refrigeration cycle in which a refrigerant circulates, and is not limited to an air conditioner.
  • the refrigeration cycle device may be a heat pump water heater or the like.

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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)
  • Casings For Electric Apparatus (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
PCT/JP2022/014259 2022-03-25 2022-03-25 熱交換ユニット、および冷凍サイクル装置 WO2023181327A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2022/014259 WO2023181327A1 (ja) 2022-03-25 2022-03-25 熱交換ユニット、および冷凍サイクル装置
EP22933467.7A EP4459200A4 (en) 2022-03-25 2022-03-25 HEAT EXCHANGER UNIT AND REFRIGERATION CYCLE DEVICE
JP2024509632A JP7686144B2 (ja) 2022-03-25 2022-03-25 熱交換ユニット、および冷凍サイクル装置

Applications Claiming Priority (1)

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PCT/JP2022/014259 WO2023181327A1 (ja) 2022-03-25 2022-03-25 熱交換ユニット、および冷凍サイクル装置

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EP (1) EP4459200A4 (enrdf_load_stackoverflow)
JP (1) JP7686144B2 (enrdf_load_stackoverflow)
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Publication number Priority date Publication date Assignee Title
JPS5397845U (enrdf_load_stackoverflow) * 1977-01-13 1978-08-08
JPS58189582U (ja) * 1982-06-14 1983-12-16 三洋電機株式会社 蓋付き箱体の取付装置
JPS60173874U (ja) * 1984-04-23 1985-11-18 ダイキン工業株式会社 冷凍装置の電装箱
JPH10220824A (ja) 1997-02-03 1998-08-21 Daikin Ind Ltd 可燃性冷媒を用いた空気調和装置
JP2004170055A (ja) * 2002-10-30 2004-06-17 Sanyo Electric Co Ltd 空気調和機
JP2004333024A (ja) * 2003-05-08 2004-11-25 Fujitsu General Ltd 電装部およびそれを利用した室外機
CN208487750U (zh) * 2018-06-29 2019-02-12 肖芳金 电控盒及空调器

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Publication number Priority date Publication date Assignee Title
JP5299075B2 (ja) * 2009-05-13 2013-09-25 ダイキン工業株式会社 冷凍装置の室外ユニット
JP4807445B2 (ja) * 2009-07-14 2011-11-02 ダイキン工業株式会社 室外機
JP6454126B2 (ja) * 2014-10-22 2019-01-16 シャープ株式会社 空気調和機の室外機

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Publication number Priority date Publication date Assignee Title
JPS5397845U (enrdf_load_stackoverflow) * 1977-01-13 1978-08-08
JPS58189582U (ja) * 1982-06-14 1983-12-16 三洋電機株式会社 蓋付き箱体の取付装置
JPS60173874U (ja) * 1984-04-23 1985-11-18 ダイキン工業株式会社 冷凍装置の電装箱
JPH10220824A (ja) 1997-02-03 1998-08-21 Daikin Ind Ltd 可燃性冷媒を用いた空気調和装置
JP2004170055A (ja) * 2002-10-30 2004-06-17 Sanyo Electric Co Ltd 空気調和機
JP2004333024A (ja) * 2003-05-08 2004-11-25 Fujitsu General Ltd 電装部およびそれを利用した室外機
CN208487750U (zh) * 2018-06-29 2019-02-12 肖芳金 电控盒及空调器

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Title
See also references of EP4459200A4

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JPWO2023181327A1 (enrdf_load_stackoverflow) 2023-09-28
EP4459200A4 (en) 2025-03-12
JP7686144B2 (ja) 2025-05-30
EP4459200A1 (en) 2024-11-06

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