EP3249310B1 - Outdoor unit - Google Patents

Outdoor unit Download PDF

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Publication number
EP3249310B1
EP3249310B1 EP14909052.4A EP14909052A EP3249310B1 EP 3249310 B1 EP3249310 B1 EP 3249310B1 EP 14909052 A EP14909052 A EP 14909052A EP 3249310 B1 EP3249310 B1 EP 3249310B1
Authority
EP
European Patent Office
Prior art keywords
terminal block
outdoor unit
recessed surface
block cover
recessed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP14909052.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3249310A1 (en
EP3249310A4 (en
Inventor
Hiroyuki Jinnai
Toshiyuki Kubono
Tomoya Yanase
Hiroshi Iwazaki
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 Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3249310A1 publication Critical patent/EP3249310A1/en
Publication of EP3249310A4 publication Critical patent/EP3249310A4/en
Application granted granted Critical
Publication of EP3249310B1 publication Critical patent/EP3249310B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F1/20—Electric components for separate outdoor units
    • F24F1/22—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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • 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
    • F24F13/20—Casings or covers
    • F24F2013/207—Casings or covers with control knobs; Mounting controlling members or control units therein

Definitions

  • the present invention relates to an outdoor unit for an air-conditioning apparatus.
  • a compressor, a heat exchanger, a fan, and other components are accommodated in a housing.
  • the fan is driven to supply outside air to the heat exchanger, and the compressor is operated to circulate refrigerant of a refrigeration cycle.
  • Electric power for operating the compressor, the fan, and other components is supplied to a terminal block of the outdoor unit via a power supply wire.
  • the power supply wire is fixed to a side panel by a fixing member at an end side to be connected to the terminal block. Further, the terminal block is exposed through an opening portion of the side panel of the housing, and the opening portion and the fixing member for the power supply wire are covered with a terminal block cover that is formed separately from the side panel (see, for example, Patent Literature 1).
  • a heat pump water heater which is improved in workability in connecting, mounting and demounting piping or the like (see, for example, Patent Literature 2).
  • a heat source unit of a heat pump system is known which prevents damage to the power supply cover caused by ignition of the electric wires (see, for example, Patent Literature 3).
  • an outdoor unit is known which can prevent an electric cable from coming off by mounting an electric equipment cover without using a cable clamp (see, for example, Patent Literature 4, which describes an outdoor unit comprising the features of the preamble of claim 1).
  • the fixing member configured to fix the power supply wire to the side panel protrudes outward from the side panel
  • the terminal block cover configured to cover the fixing member also significantly protrudes outward from the side panel
  • the above-mentioned outdoor unit including the terminal block cover significantly protruding from the side panel is upsized in outer-shape dimension. Thus, transport efficiency decreases and installation space increases. Further, a side surface of the housing protrudes by the terminal block cover. Thus, design is degraded and the terminal block cover is damaged due to collision of the terminal block cover to an object.
  • the width dimension of the heat exchanger is reduced, leading to a reduced heat transfer area and thus decrease in heat exchange efficiency.
  • the present invention has been made in view of the problems described above, and has an object to provide an outdoor unit of an air-conditioning apparatus in which outward protruding dimension of a terminal block cover from a side panel is decreased to be small, and thus a housing is downsized.
  • An outdoor unit includes a housing including a side panel, a terminal block accommodated in the housing, and a power supply wire connected to the terminal block.
  • the side panel includes an outer shell surface forming a part of an outer surface of the housing, a first recessed surface recessed from the outer shell surface in an inward direction of the housing, and a second recessed surface formed in the first recessed surface and recessed from the first recessed surface in the inward direction of the housing.
  • the power supply wire is arranged on the second recessed surface.
  • the outward protruding dimension of the terminal block cover from the side panel of the housing can be decreased to be small, and thus the housing can be downsized.
  • Embodiment 3 describes an outdoor unit according to the invention.
  • a configuration of the outdoor unit described below is merely an example, and the outdoor unit according to the present invention is not limited to the configuration described below.
  • the same or similar components are denoted by the same reference signs, or the reference signs for the same or similar components are omitted. Further, the illustration of details in the structure is appropriately simplified or omitted. Further, overlapping description or similar description is appropriately simplified or omitted.
  • Embodiment 1 An outdoor unit according to Embodiment 1 is described with reference to Fig. 1 to Fig. 5 .
  • Fig. 1 is a perspective view of the outdoor unit according to Embodiment 1.
  • Fig. 2 is an exploded perspective view of the outdoor unit according to Embodiment 1.
  • Fig. 3 is a front view of the outdoor unit according to Embodiment 1.
  • Fig. 4 is a top view of the outdoor unit according to Embodiment 1.
  • Fig. 5 is a side view of the outdoor unit according to Embodiment 1.
  • a housing 1 of the outdoor unit is formed of sheet metal and have a substantially cuboid shape.
  • the housing 1 mainly includes an L-shaped front panel 1a arranged on a front side of the housing 1, a side panel 1b covering a side surface of the housing 1, a top panel 1c covering an upper surface of the housing 1, and a bottom panel 1d arranged on a bottom surface of the housing 1.
  • a front grille 1e having openings is mounted on the front panel 1a
  • a terminal block cover 1f covering electrical components such as a terminal block is mounted on the side panel 1b.
  • An opening 1h for allowing a power supply wire 11 to pass through the opening 1h is formed at a lower end of the terminal block cover 1f.
  • a terminal block 10 to be used to connect power for operating a compressor 2, a fan 4, and other components is arranged on an inner side of the terminal block cover 1f.
  • the terminal block 10 is supplied with, for example, three-phase power via the power supply wire 11.
  • foot portions 1g for supporting the outdoor unit are arranged on a lower surface of the bottom panel 1d of the housing 1.
  • the housing 1 accommodates the compressor 2 configured to compress refrigerant, an outdoor heat exchanger 3 configured to exchange heat between outside air and the refrigerant, the fan 4 configured to supply the outside air to the outdoor heat exchanger 3, and a support base 5 for supporting the fan 4, on which a motor for the fan is mounted.
  • a fan chamber 4a in which the fan 4 is arranged and a machine chamber 2a in which the compressor 2 is arranged are partitioned by a partition plate 6.
  • the outdoor heat exchanger 3 is a fin-and-tube heat exchanger in which, for example, heat transfer tubes pass through a plurality of aluminum thin plate-like fins arranged side by side.
  • the outdoor heat exchanger 3 is entirely formed into a substantially L-shape, and is arranged along two side surfaces of the housing 1.
  • the fins are arranged upright in a vertical direction, and the heat transfer tubes pass through the fins in a horizontal direction.
  • the fan 4 is arranged in the vicinity of the outdoor heat exchanger 3. Rotation of the fan 4 causes the outside air to pass between the fins of the outdoor heat exchanger 3, and at this time, heat is exchanged between the refrigerant flowing through the heat transfer tubes of the outdoor heat exchanger 3 and the outside air. The outside air after the heat exchange is exhausted to an outside of the housing 1 through the front grille 1e.
  • the outdoor heat exchanger 3 acts as an evaporator, and low-pressure gas refrigerant evaporated by receiving heat from the outside air is compressed into high-pressure gas refrigerant by the compressor 2, and is supplied to an indoor heat exchanger of an indoor unit (not shown).
  • the outdoor heat exchanger 3 acts as a condenser, and high-pressure gas refrigerant compressed by the compressor 2 transfers heat to the outside air and is condensed in the outdoor heat exchanger 3. Then, the condensed liquid refrigerant is decompressed and supplied to the indoor heat exchanger of the indoor unit (not shown).
  • Fig. 6 is a side view of a state in which the terminal block cover of the outdoor unit according to Embodiment 1 is removed.
  • Fig. 7 is a side view of a state in which the terminal block cover of the outdoor unit according to Embodiment 1 is mounted.
  • Fig. 8 is a sectional view of the side panel of the outdoor unit according to Embodiment 1 taken along the line Z-Z of Fig. 6 and Fig. 7 .
  • the side panel 1b has a rectangular opening portion 15 for allowing the power supply wire 11 to the terminal block 10.
  • the terminal block 10 is arranged inside the opening portion 15.
  • the side panel 1b includes an outer shell surface 12 forming a part of an outer shell of the housing 1, a first recessed surface 13 recessed by one stage from the outer shell surface 12 toward the inner side of the housing 1, and a second recessed surface 14 further recessed by one stage from the first recessed surface 13 toward the inner side of the housing 1.
  • the outer shell surface 12, the first recessed surface 13, and the second recessed surface 14 are formed in parallel to each other. Each two adjacent surfaces of these three surfaces may be connected to each other with a gently inclined surface, or may be connected to each other with a perpendicular connection surface.
  • the first recessed surface 13 is formed into a rectangular shape including the periphery of the opening portion 15, and extends downward from the opening portion 15.
  • the second recessed surface 14 is formed within the range of the first recessed surface 13, and is formed into a substantially rectangular shape arranged between the lower end of the opening portion 15 and the lower end of the first recessed surface 13.
  • a tapered surface 14a is formed to gently connect the second recessed surface 14 and the outer shell surface 12 to each other.
  • the terminal block cover 1f is mounted so that an inner surface side of the terminal block cover 1f is brought into contact to the first recessed surface 13.
  • a flat plate member or a plate-like member having a protruding circumferential edge on the inner surface side can be adopted.
  • the terminal block cover 1f is mounted on the first recessed surface 13 with screws or other members, and an outer surface of the terminal block cover 1f and the outer shell surface 12 are arranged to be flush with each other as the same surface. Further, as illustrated in Fig. 5 , the lower end of the terminal block cover 1f is positioned not to be overlapped with the tapered surface 14a at the lower end of the second recessed surface 14 in side view, and the side surface of the housing 1 has an opening 1h communicating to the second recessed surface.
  • the terminal block cover 1f is only required to be fitted between the first recessed surface 13 and the outer shell surface 12, and the outer surface of the terminal block cover 1f may be arranged closer to the inner side of the housing 1 than the outer shell surface 12.
  • the power supply wire 11 is mounted in contact to the second recessed surface 14 of the side panel 1b.
  • a fixing member 16 including a recessed portion 16a for receiving the power supply wire 11 is used to sandwich the power supply wire 11 between the second recessed surface of the side panel 1b and the recessed portion 16a of the fixing member 16.
  • the power supply wire 11 has one end connected to the terminal block 10, and an other end arranged outside the terminal block cover 1f through downward extension of the power supply wire 11 from the terminal block 10 over the lower portion of the second recessed surface.
  • the fixing member 16 is formed of a plate-like steel member, a plate-like resin member, or other materials, and has one end 16b mounted to the second recessed surface 14 of the side panel 1b with, for example, a hinge. Further, an other end 16c of the fixing member 16 is fixed to a screw hole of the second recessed surface 14 with a screw or other member.
  • the height of the fixing member 16 in a direction perpendicular to the second recessed surface 14 is a dimension within a distance between the first recessed surface 13 and the second recessed surface 14 so that, when the terminal block cover 1f is mounted, the terminal block cover 1f and the fixing member 16 do not interfere with each other. That is, the fixing member 16 is accommodated between the second recessed surface 14 and the first recessed surface 13.
  • the power supply wire 11 is mounted to the terminal block 10 of the outdoor unit, first, the screws or other members fixing the terminal block cover 1f are removed, and the terminal block cover 1f is removed from the side panel 1b. Next, a screw 16d or other member is removed from the fixing member 16. Then, the power supply wire 11 is placed in the recessed portion 16a of the fixing member 16, and the fixing member 16 is mounted to the side panel 1b again with the screw 16d or other member. Then, the terminal block cover 1f is mounted on the first recessed surface 13 again. At this time, the power supply wire 11 is extended to the outside of the terminal block cover 1f from a clearance secured between the tapered surface 14a, which is formed at a lower portion of the second recessed surface 14, and the terminal block cover 1f.
  • the height dimension of the fixing member 16 in the direction perpendicular to the second recessed surface 14 is set within the distance between the first recessed surface 13 and the second recessed surface 14, and the second recessed surface 14 is formed so that the terminal block cover 1f and the fixing member 16 do not interfere with each other when the terminal block cover 1f is mounted. Consequently, the housing 1 can be downsized particularly in the width-direction dimension without protrusion of the terminal block cover 1f from the outer shell surface 12 in the side panel 1b of the housing 1.
  • Fig. 9 is a side view of a state in which the terminal block cover of the outdoor unit according to Modified Example 1 of Embodiment 1 is removed.
  • the second recessed surface 14 of the side panel 1b is formed into a linear shape extending downward from the opening portion 15, but Modified Example 1 of Fig. 9 is an example in which the second recessed surface 14 is formed to horizontally extend from the opening portion 15 in a back surface direction of the housing 1.
  • the fixing member 16 for the power supply wire 11 is arranged to sandwich the power supply wire 11 in the second recessed surface 14 in a lateral direction.
  • the terminal block cover 1f is arranged in contact to the first recessed surface similarly to the case of Embodiment 1, and the terminal block cover 1f is arranged not to be overlapped with the tapered surface 14a of the second recessed surface 14 in side view.
  • the terminal block cover 1f has the opening 1h through which the power supply wire 11 is communicated to the second recessed surface 14.
  • the power supply wire 11 can be extended linearly in the back surface direction of the housing 1.
  • the power supply wire can be smoothly connected when the power supply is located on the back surface side of the housing 1.
  • Fig. 10 is a side view of a state in which the terminal block cover of the outdoor unit according to Modified Example 2 of Embodiment 1 is removed.
  • Fig. 11 is a side view of a state in which the terminal block cover of the outdoor unit according to Modified Example 3 of Embodiment 1 is removed.
  • the second recessed surface 14 of the side panel 1b is formed into a linear shape extending downward from the opening portion 15, but Modified Examples 2 and 3 are examples in which, as illustrated in Fig. 10 and Fig. 11 , the second recessed surface 14 is formed into an L-shape.
  • the L-shape is obtained by forming the second recessed surface 14 extending downward from the opening portion 15 and then bending the second recessed surface 14 in the back surface direction of the housing 1.
  • the fixing member 16 of the power supply wire 11 is arranged to sandwich the power supply wire 11 in the second recessed surface 14 in a vertical direction (Modified Example 2) or in a horizontal direction (Modified Example 3).
  • terminal block cover 1f is arranged in contact to the first recessed surface similarly to the case of Embodiment 1, and is arranged not to be overlapped with the tapered surface 14a of the second recessed surface 14 in side view.
  • the terminal block cover 1f has the opening 1h through which the power supply wire 11 is communicated to the second recessed surface 14.
  • the power supply wire 11 can be bent into an L-shape to be extended in the back surface direction of the housing 1.
  • the bent part may be deformed to absorb the pulling force, and thus the power supply wire 11 can be prevented from coming off from the terminal block 10.
  • Fig. 12 is a side view of a state in which the terminal block cover of the outdoor unit according to Modified Example 4 of Embodiment 1 is removed.
  • Fig. 13 is a sectional view of the side panel of the outdoor unit according to Embodiment 1 taken along the line Z-Z of Fig. 12 (state in which the terminal block cover 1f is mounted).
  • the first recessed surface 13 of the side panel 1b has an independent rectangular shape
  • Modified Example 4 is an example in which, as illustrated in Fig. 12 , the first recessed surface 13 is formed from the periphery of the opening portion 15 to the lower end of the side panel 1b, and the second recessed surface 14 is formed in the first recessed surface 13 and extends to the lower end of the side panel 1b.
  • the fixing member 16 for the power supply wire 11 is arranged to sandwich the power supply wire 11 in the second recessed surface 14 in the vertical direction.
  • the power supply wire 11 can be extended to the lower end of the side panel 1b.
  • the power supply wire can be smoothly connected when the power supply is located on the bottom surface side of the housing 1.
  • the terminal block cover 1f is mounted down to the lower end of the side panel 1b, and hence the housing 1 can have a flat side surface, leading to improvement in design.
  • the fixing member 16 of the outdoor unit according to Embodiment 1 is mounted on the second recessed surface 14 that is recessed by two stages from the outer shell surface 12 with a screw or other member, but Embodiment 2 differs from Embodiment 1 in the mounting location of the fixing member 16.
  • Embodiment 2 The configuration around a terminal block of an outdoor unit according to Embodiment 2 is described with reference to Fig. 14 and Fig. 15 . Description of configurations common to Embodiment 1 is omitted as appropriate.
  • Fig. 14 is a side view of a state in which the terminal block cover of the outdoor unit according to Embodiment 2 is removed.
  • Fig. 15 is a sectional view of a side panel of the outdoor unit according to Embodiment 2 taken along the line Z-Z of Fig. 14 (state in which the terminal block cover 1f is mounted).
  • the side panel 1b includes, similarly to the case of Embodiment 1, the outer shell surface 12 forming the part of the outer shell of the housing 1, the first recessed surface 13 recessed by one stage from the outer shell surface 12 toward the inner side of the housing 1, and the second recessed surface 14 further recessed by one stage from the first recessed surface 13 toward the inner side of the housing 1.
  • the first recessed surface 13 is formed into a rectangular shape including the periphery of the opening portion 15, and extends downward from the opening portion 15.
  • the second recessed surface 14 is formed within the range of the first recessed surface 13, and is formed into a substantially rectangular shape arranged between the lower end of the opening portion 15 and the lower end of the first recessed surface 13.
  • the tapered surface 14a is formed to gently connect the second recessed surface 14 and the outer shell surface 12 to each other.
  • the terminal block cover 1f is mounted so that the inner surface side of the terminal block cover 1f is brought into contact to the first recessed surface 13.
  • a flat plate member or a plate-like member having a protruding circumferential edge on the inner surface side can be adopted.
  • the terminal block cover 1f is mounted on the first recessed surface 13 with screws or other members, and the outer surface of the terminal block cover 1f and the outer shell surface 12 are arranged to be flush with each other as the same surface.
  • the terminal block cover 1f is only required to be fitted between the first recessed surface 13 and the outer shell surface 12, and the outer surface of the terminal block cover 1f may be arranged closer to the inner side of the housing 1 than the outer shell surface 12.
  • the power supply wire 11 is mounted in contact to the second recessed surface 14 of the side panel 1b.
  • a fixing member 17 having a flat plate shape is used to sandwich the power supply wire 11 between the second recessed surface 14 of the side panel 1b and an inner surface side of the fixing member 17.
  • the power supply wire 11 has the one end connected to the terminal block 10, and the other end arranged outside the terminal block cover 1f through downward extension of the power supply wire 11 from the terminal block 10 over the lower portion of the second recessed surface.
  • the fixing member 17 is formed of a plate-like steel member, a plate-like resin member, or other materials, and has one end 17a and an other end 17b fixed to screw holes of the first recessed surface 13 with screws 17c or other members. Further, the fixing member 17 is accommodated between the first recessed surface 13 and the outer shell surface 12.
  • the power supply wire 11 is mounted to the terminal block 10 of the outdoor unit, first, the screws or other members fixing the terminal block cover 1f are removed, and the terminal block cover 1f is removed from the side panel 1b. Next, the screws 17c or other members are removed from the fixing member 17. Then, the power supply wire 11 is placed on the second recessed surface 14, and the fixing member 17 is mounted to the side panel 1b again with the screws 17c or other members. Then, the terminal block cover 1f is mounted on the first recessed surface 13 again. At this time, the power supply wire 11 is extended to the outside of the terminal block cover 1f from a clearance secured between the tapered surface 14a, which is formed at the lower portion of the second recessed surface 14, and the terminal block cover 1f.
  • the fixing member 17 is formed into a flat plate shape to reduce the height dimension of the fixing member 17 in the direction perpendicular to the second recessed surface 14, and the outer surface side of the terminal block cover 1f is arranged to be flush with the outer shell surface 12 of the side panel 1b when the terminal block cover 1f is mounted. Consequently, the housing 1 can be downsized particularly in the width-direction dimension without protrusion of the terminal block cover 1f from the outer shell surface 12 in the side panel 1b of the housing 1.
  • the outdoor unit according to Embodiment 2 may adopt the configurations of Modified Examples 1 to 4 according to Embodiment 1, to thereby lead out the power supply wire 11 in a desired direction.
  • An outdoor unit according to Embodiment 3, which is according to the present invention differs from the outdoor units according to Embodiments 1 and 2 in the shape of the side panel 1b, and hence this point is mainly described. Description of configurations common to Embodiments 1 and 2 is omitted as appropriate.
  • Fig. 16 is a front view of the outdoor unit according to Embodiment 3.
  • Fig. 17 is a top view of the outdoor unit according to Embodiment 3.
  • Fig. 18 is a side view of a state in which the terminal block cover of the outdoor unit according to Embodiment 3 is mounted.
  • Fig. 19 is a sectional view of the side panel of the outdoor unit according to Embodiment 3 taken along the line Z-Z of Fig. 18 .
  • the housing 1 of the outdoor unit according to Embodiment 3 has a basic configuration as illustrated in Fig. 16 to Fig. 18 , which is the same configuration as the outdoor units according to Embodiments 1 and 2.
  • a sectional shape of the side panel 1b is different.
  • the side panel 1b is formed into a terraced mortar shape from both sides with the outer shell surface 12 forming the part of the outer shell of the housing 1, the first recessed surface 13 recessed by one stage from the outer shell surface 12 toward the inner side of the housing 1, and the second recessed surface 14 further recessed by one stage from the first recessed surface 13 toward the inner side of the housing 1.
  • the outer shell surface 12 is not present on the front surface side of the housing 1 (left side in the drawing sheet), and the front surface side of the housing 1 is connected by being bent toward the front panel 1a side from the first recessed surface 13.
  • the outer shell surface 12, the first recessed surface 13, and the second recessed surface 14 are formed in parallel to each other. Each two adjacent surfaces of these three surfaces may be connected to each other with a gently inclined surface, or may be connected to each other with a perpendicular connection surface.
  • the first recessed surface 13 is formed into a rectangular shape including the periphery of the opening portion 15, and extends downward from the opening portion 15.
  • the terminal block cover 1f is mounted so that the inner surface side of the terminal block cover 1f is brought into contact to the first recessed surface 13.
  • a flat plate member or a plate-like member having a protruding circumferential edge on the inner surface side can be adopted.
  • the terminal block cover 1f is extended down to the lower end of the side panel 1b.
  • the terminal block cover 1f is arranged to be fitted between the first recessed surface 13 and the outer shell surface 12. At this time, the outer surface of the terminal block cover 1f and the outer shell surface 12 may be arranged to be flush with each other as the same surface, or the outer surface of the terminal block cover 1f may be arranged closer to the inner side of the housing 1 than the outer shell surface 12.
  • the power supply wire 11 is mounted in contact to the second recessed surface 14 of the side panel 1b.
  • the fixing member 16 including the recessed portion 16a for receiving the power supply wire 11 is used to sandwich the power supply wire 11 between the second recessed surface of the side panel 1b and the recessed portion 16a of the fixing member 16.
  • the power supply wire 11 has the one end connected to the terminal block 10, and the other end arranged outside the terminal block cover 1f through downward extension of the power supply wire 11 from the terminal block 10 over the lower portion of the second recessed surface.
  • the height of the fixing member 16 in the direction perpendicular to the second recessed surface 14 is a dimension that enables the fixing member 16 to be accommodated inside the terminal block cover 1f, which is a plate-like member having a protruding circumferential edge as illustrated in Fig. 19 . Further, the outer surface of the terminal block cover 1f is formed not to protrude to the outside from the outer shell surface 12 of the side panel 1b.
  • the height of the fixing member 16 in the direction perpendicular to the second recessed surface 14 may be a dimension within the distance between the first recessed surface 13 and the second recessed surface 14 so that, when the flat plate-shaped terminal block cover 1f is mounted, the terminal block cover 1f and the fixing member 16 do not interfere with each other.
  • the outdoor unit according to Embodiment 3 as illustrated in Fig. 19 , even when the outer shell surface 12 is not present on the front side (left side in the drawing) of the housing 1, the power supply wire 11 and the fixing member 16 may be arranged on the second recessed surface 14.
  • the housing 1 can be downsized particularly in the width-direction dimension without protrusion of the outer surface of the terminal block cover 1f from the outer shell surface 12 in the side panel 1b. Consequently, the side panel 1b can be shaped in many variations, and the outdoor unit can be improved in design.
  • the shape of the side panel 1b according to Embodiment 3 is applicable to the configurations of the outdoor units according to Embodiments 1 and 2.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Other Air-Conditioning Systems (AREA)
EP14909052.4A 2014-12-26 2014-12-26 Outdoor unit Active EP3249310B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/084511 WO2016103447A1 (ja) 2014-12-26 2014-12-26 室外機

Publications (3)

Publication Number Publication Date
EP3249310A1 EP3249310A1 (en) 2017-11-29
EP3249310A4 EP3249310A4 (en) 2018-09-19
EP3249310B1 true EP3249310B1 (en) 2020-10-28

Family

ID=56149536

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14909052.4A Active EP3249310B1 (en) 2014-12-26 2014-12-26 Outdoor unit

Country Status (5)

Country Link
US (1) US20170363303A1 (ja)
EP (1) EP3249310B1 (ja)
JP (1) JP6552524B2 (ja)
CN (1) CN107110522B (ja)
WO (1) WO2016103447A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105485791A (zh) * 2016-02-16 2016-04-13 珠海格力电器股份有限公司 空调室外机及其室外机隔板
US11976828B2 (en) * 2020-03-30 2024-05-07 Mitsubishi Electric Corporation Outdoor unit of air-conditioning apparatus

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WO2016103447A1 (ja) 2016-06-30
EP3249310A1 (en) 2017-11-29
US20170363303A1 (en) 2017-12-21
CN107110522B (zh) 2020-12-08
EP3249310A4 (en) 2018-09-19
CN107110522A (zh) 2017-08-29
JP6552524B2 (ja) 2019-07-31
JPWO2016103447A1 (ja) 2017-05-18

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