WO2021166256A1 - Unité extérieure pour climatiseur - Google Patents

Unité extérieure pour climatiseur Download PDF

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Publication number
WO2021166256A1
WO2021166256A1 PCT/JP2020/007235 JP2020007235W WO2021166256A1 WO 2021166256 A1 WO2021166256 A1 WO 2021166256A1 JP 2020007235 W JP2020007235 W JP 2020007235W WO 2021166256 A1 WO2021166256 A1 WO 2021166256A1
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WO
WIPO (PCT)
Prior art keywords
air
heat shield
blower
reactor
machine room
Prior art date
Application number
PCT/JP2020/007235
Other languages
English (en)
Japanese (ja)
Inventor
雄平 島田
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/JP2020/007235 priority Critical patent/WO2021166256A1/fr
Priority to JP2022501585A priority patent/JP7292490B2/ja
Publication of WO2021166256A1 publication Critical patent/WO2021166256A1/fr

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    • 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
    • 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
    • F24F1/24—Cooling of electric components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow

Definitions

  • This disclosure relates to an outdoor unit of an air conditioner provided with a heat shield.
  • the inside of the housing is divided into a blower room and a machine room by a partition plate, and a blower, a heat exchanger, etc. are arranged in the blower room, and a compressor, a reactor, an electrical box, etc. Is known to be placed in the machine room.
  • the reactor is located above the compressor.
  • the electrical box is located above the compressor and reactor. Inside the electrical box, electrical components that control the drive of the blower and compressor are housed.
  • the compressor and reactor When operating the air conditioner, the compressor and reactor self-heat and become hot, generating hot air in the machine room. If this hot air stays around the reactor and the electrical box, there is a problem that the reactor and electrical components are thermally affected and deteriorated.
  • Patent Document 1 the upper part of the partition plate is bent toward the machine room to form a heat shield, a compressor and a reactor are arranged below the heat shield, and electrical equipment is provided above the heat shield.
  • a technique for suppressing the retention of hot air around an electrical box by arranging the box is disclosed.
  • Patent Document 1 by forming a ventilation path communicating the air blowing chamber and the machine room in the heat shield portion, the hot air in the machine room is discharged into the air blowing chamber, and the retention of hot air around the reactor is suppressed.
  • the technology to do is disclosed.
  • the present disclosure has been made in view of the above, and an outdoor unit of an air conditioner capable of suppressing the occurrence of failure of an electric component and mitigating the thermal influence on the reactor and the electric component.
  • the purpose is to get.
  • the outdoor unit of the air conditioner includes a box-shaped housing and a partition plate that divides the inside of the housing into a blower chamber and a machine room.
  • a blower arranged in the blower chamber to generate an air flow
  • a heat exchanger arranged in the blower chamber through which air for taking into the blower passes.
  • the outdoor unit of the air conditioner is a compressor arranged in the machine room, a reactor arranged above the compressor in the machine room, and an electric component arranged above the compressor and the reactor in the machine room. It is equipped with an electrical box for accommodating.
  • the housing is provided with an air supply port for allowing air outside the housing to flow into the blower chamber and an exhaust port for discharging the air flow generated by the blower to the outside of the blower chamber.
  • the partition plate is provided with at least one heat shield that projects toward the machine interior and is arranged between the reactor and the electrical box. Inside the heat shield, an air passage is formed that communicates with the air vent and allows a part of the air from the air supply port to the exhaust port to pass through.
  • Front view schematically showing the outdoor unit of the air conditioner according to the first embodiment Top view schematically showing the outdoor unit of the air conditioner according to the first embodiment. Partially enlarged front view showing the heat shield and the periphery of the heat shield shown in FIG. A perspective view showing a partition plate, a heat shield, and a reactor of the outdoor unit of the air conditioner according to the first embodiment. Partial enlarged front view showing the heat shield portion of the outdoor unit of the air conditioner according to the second embodiment and the periphery of the heat shield portion. A perspective view showing a partition plate, a heat shield, and a reactor of the outdoor unit of the air conditioner according to the third embodiment.
  • Partial enlarged front view showing the heat shield portion of the outdoor unit of the air conditioner according to the third embodiment and the periphery of the heat shield portion. Partial enlarged front view showing the heat shield portion of the outdoor unit of the air conditioner according to the fourth embodiment and the periphery of the heat shield portion.
  • FIG. 1 is a front view schematically showing the outdoor unit 1 of the air conditioner according to the first embodiment.
  • FIG. 2 is a plan view schematically showing the outdoor unit 1 of the air conditioner according to the first embodiment.
  • the outdoor unit 1 of the air conditioner includes a box-shaped housing 2, a partition plate 3 that divides the inside of the housing 2 into a blower chamber 9 and a machine room 10, and a blower. It includes a blower 4 arranged in a chamber 9 to generate an air flow, and a heat exchanger 5 arranged in a blower chamber 9 through which air for taking into the blower 4 passes. Further, as shown in FIG.
  • the outdoor unit 1 of the air conditioner includes a compressor 6 arranged in the machine room 10, a reactor 7 arranged above the compressor 6 in the machine room 10, and a machine room 10.
  • the compressor 6 and the electrical box 8 arranged above the reactor 7 and accommodating the electric component 14 are provided in the above.
  • a part of the electrical box 8 is arranged in the blower chamber 9 beyond the upper end portion of the partition plate 3.
  • the electrical box 8 is illustrated by a chain double-dashed line.
  • the outdoor unit 1 of the air conditioner may be simply referred to as the outdoor unit 1.
  • the width direction of the outdoor unit 1 is defined as the X-axis direction.
  • the depth direction of the outdoor unit 1 is set to the Y-axis direction.
  • the height direction of the outdoor unit 1 is the Z-axis direction. Further, the Z-axis direction may be referred to as a vertical direction. Further, the direction in which air is discharged from the air blowing chamber 9 to the outside is the front, and the opposite side of the front is the rear. The arrow shown in FIG. 2 indicates the blowing direction of the air flowing in the blowing chamber 9.
  • the housing 2 is a member that serves as the outer shell of the outdoor unit 1.
  • the housing 2 is formed in a hollow rectangular parallelepiped shape.
  • the housing 2 has a bottom wall 21, a ceiling wall 22, a first side wall 23, a second side wall 24, a third side wall 25, and a fourth side wall 26.
  • the ceiling wall 22 is arranged above the bottom wall 21 and away from the bottom wall 21.
  • the first side wall 23, the second side wall 24, the third side wall 25, and the fourth side wall 26 rise from the peripheral edge of the bottom wall 21.
  • An air supply port 27 is formed on the first side wall 23 located at the rear of the housing 2.
  • the air supply port 27 is a portion for allowing air outside the housing 2 to flow into the air blowing chamber 9. Although not shown, an air supply port is also formed on the third side wall 25.
  • a bell mouth-shaped exhaust port 28 is formed on the second side wall 24 located in the front of the housing 2. The exhaust port 28 is a portion for discharging the air flow generated by the blower 4 to the outside of the blower chamber 9.
  • the partition plate 3 extends in the vertical direction from the bottom wall 21 to the electrical box 8. Further, as shown in FIG. 2, the partition plate 3 extends from the second side wall 24 to the heat exchanger 5 in the Y-axis direction. Specifically, the partition plate 3 extends linearly from the second side wall 24 along the Y-axis direction, and then extends in an inclined manner so as to be separated from the blower 4.
  • the blower chamber 9 and the machine chamber 10 are formed side by side in the X-axis direction.
  • the partition plate 3 is provided with a heat shield portion 11.
  • the number of heat shields 11 is one in the present embodiment, but may be plural. That is, at least one heat shield 11 may be used.
  • the heat shield portion 11 projects toward the inside of the machine room 10 and is arranged between the reactor 7 and the electrical box 8.
  • the heat shield 11 serves to block the rise of hot air from the compressor 6 and the reactor 7 to the electrical box 8. The details of the heat shield 11 will be described later.
  • the blower 4 is a device that rotates with the operation of the motor 13 to generate an air flow. As shown in FIG. 1, a part of the blower 4 is provided at the same height position as the heat shield portion 11.
  • the heat exchanger 5 is a member that exchanges heat with the air taken into the blower 4 when the air conditioner is operating. Refrigerant is flowing in the heat exchanger 5. Heat exchange is performed between this refrigerant and the air taken into the blower 4.
  • the heat exchanger 5 is formed in an L shape in a plan view.
  • the heat exchanger 5 extends from the third side wall 25 along the first side wall 23. A portion of the heat exchanger 5 along the first side wall 23 is arranged behind the blower 4. A portion of the heat exchanger 5 along the third side wall 25 is arranged on the side of the blower 4.
  • the compressor 6 is a device that compresses the refrigerant flowing in the heat exchanger 5.
  • the compressor 6 is mounted on the bottom wall 21.
  • the compressor 6 is fixed to the bottom wall 21 by bolts (not shown) or the like.
  • the reactor 7 is an electronic component that is a part of the inverter that controls the speed of the compressor 6. A part of the reactor 7 is arranged directly above the compressor 6, and the rest of the reactor 7 is arranged above the compressor 6 but outside the position directly above the compressor 6.
  • the electrical box 8 is a member that houses an electrical component 14 such as a control board necessary for operating the outdoor unit 1.
  • the electrical box 8 is formed in a box shape that opens upward. The opening of the electrical box 8 is covered with a conductive electrical cover 15.
  • a conductive ground plate (not shown) is attached to the electrical box 8. The ground plate electrically connects the partition plate 3 and the electrical box 8.
  • FIG. 3 is a partially enlarged front view showing the heat shield portion 11 and the periphery of the heat shield portion 11 shown in FIG.
  • FIG. 4 is a perspective view showing a partition plate 3, a heat shield portion 11, and a reactor 7 of the outdoor unit 1 of the air conditioner according to the first embodiment.
  • the heat shield portion 11 extends horizontally.
  • the horizontal dimension L1 of the heat shield portion 11 is larger than the horizontal dimension L2 of the reactor 7.
  • the horizontal dimension L1 of the heat shield portion 11 is larger than the horizontal dimension L3 of the compressor 6.
  • the heat shield portion 11 is arranged directly above the reactor 7 and the compressor 6.
  • the heat shield portion 11 is arranged at a position where it overlaps with the reactor 7 and the compressor 6 in a plan view.
  • the heat shield portion 11 is formed by bending a part of the partition plate 3 toward the machine room 10.
  • an air passage 12 is formed that communicates with the air vent chamber 9 and allows a part of the air from the air supply port 27 to the exhaust port 28 to pass through.
  • the air passage 12 does not communicate with the machine room 10.
  • the machine room 10 is a closed space.
  • the reactor 7 and the electric component 14 are electrically connected to each other via the wiring 16.
  • the wiring 16 is arranged so as to bypass the tip end portion of the heat shield portion 11.
  • the heat shield portion 11 is formed with a first communication port 11a, a second communication port 11b, and an opening 11c.
  • the first communication port 11a, the second communication port 11b, and the opening 11c are hatched to clarify their respective regions.
  • the first communication port 11a and the second communication port 11b are openings that communicate the air blowing chamber 9 and the air passage 12.
  • the first communication port 11a faces the portion of the heat exchanger 5 shown in FIG. 2 along the first side wall 23.
  • the second communication port 11b faces the blower 4 shown in FIG.
  • the opening 11c faces forward.
  • the opening 11c is closed by the second side wall 24 shown in FIG.
  • the air passage 12 extends along the air blowing direction of the air from the air supply port 27 toward the exhaust port 28.
  • the partition plate 3 is provided with a heat shield portion 11 that projects toward the inside of the machine room 10 and is arranged between the reactor 7 and the electrical box 8. ..
  • the rise of hot air from the compressor 6 and the reactor 7 to the electrical box 8 can be blocked, so that the thermal effect on the electric component 14 can be mitigated.
  • an air passage that communicates with the air vent chamber 9 and allows a part of the air from the air supply port 27 to the exhaust port 28 to pass through the inside of the heat shield portion 11. Since the 12 is formed, air flows in the air passage 12 of the heat shield portion 11 as the blower operates the blower 4.
  • the heat shield 11 can be forcibly air-cooled by the air flowing through the air passage 12 of the heat shield 11. As a result, the hot air in the machine room 10 can be dissipated to the heat shield portion 11, so that the internal temperature of the machine room 10 can be lowered to mitigate the thermal influence on the reactor 7 and the electric component 14. Therefore, in the present embodiment, the thermal influence on the reactor 7 and the electric component 14 can be mitigated by the synergistic effect of the heat shield of the hot air by the heat shield portion 11 and the forced air cooling on the heat shield portion 11.
  • the air passage 12 of the heat shield 11 can communicate with only the blower chamber 9, and the hot air in the machine room 10 can be dissipated to the heat shield 11.
  • the machine room 10 can be made into a closed space, it is possible to suppress the invasion of small animals, dust, moisture, salt and the like from the blower room 9 into the machine room 10, and the failure of the electric component 14 is less likely to occur.
  • a part of the partition plate 3 is bent to form the heat shield portion 11, but the heat shield portion 11 may be formed separately from the partition plate 3.
  • an opening may be formed in the partition plate 3, and the heat shield portion 11 may be welded to the partition plate 3 and fixed to the partition plate 3 with bolts or the like so as to communicate with the air blowing chamber 9 through the opening.
  • the shapes of the heat shield portion 11 and the air passage 12 are not limited to the illustrated shapes.
  • the heat shield portion 11 may have an uneven structure. In this way, the surface area of the heat shield portion 11 increases, and the contact area between the heat shield portion 11 and the hot air increases, so that the hot air in the machine room 10 can be further dissipated by the heat shield portion 11.
  • a fin material formed of a material having high thermal conductivity may be inserted into the air passage 12 of the heat shield portion 11. In this way, the hot air in the machine room 10 can be efficiently dissipated into the air flowing through the air passage 12 of the heat shield portion 11. Further, since the mechanical strength of the heat shield portion 11 can be increased by the fin material, the deformation of the heat shield portion 11 and the partition plate 3 due to the vibration generated when the compressor 6 is driven can be suppressed.
  • FIG. 5 is a partially enlarged front view showing the periphery of the heat shield portion 11A and the heat shield portion 11A of the outdoor unit 1A of the air conditioner according to the second embodiment.
  • the present embodiment is different from the above-described first embodiment in that a plurality of heat shields 11A are provided.
  • the same reference numerals are given to the parts that overlap with the first embodiment, and the description thereof will be omitted.
  • a plurality of heat shield portions 11A are provided at intervals in the vertical direction.
  • the number of heat shields 11A is three in the present embodiment, but may be two or four or more.
  • the horizontal dimensions L1 of each of the plurality of heat shields 11A are the same in the present embodiment, but may be different. If at least one of the plurality of heat shields 11A is made larger than the horizontal dimension L2 of the reactor 7 or the horizontal dimension L3 of the compressor 6, the horizontal dimension L1 of the rest of the plurality of heat shields 11A can be freely set. You can.
  • An air passage 12A is formed inside each of the plurality of heat shield portions 11A.
  • the same effect as that of the above-described first embodiment can be obtained. Further, in the present embodiment, since a plurality of heat shield portions 11A are provided at intervals in the vertical direction, the amount of heat radiated from the hot air in the machine room 10 to the heat shield portion 11A can be increased. , The thermal effect on the reactor 7 and the electrical component 14 can be further mitigated.
  • all or part of the plurality of heat shields 11A may have an uneven structure. Further, a fin material formed of a material having a high thermal conductivity may be inserted into the air passage 12A of all or a part of the plurality of heat shield portions 11A.
  • FIG. 6 is a perspective view showing a partition plate 3A, a heat shield portion 11 and a reactor 7 of the outdoor unit 1B of the air conditioner according to the third embodiment.
  • FIG. 7 is a partially enlarged front view showing the heat shield portion 11 and the periphery of the heat shield portion 11 of the outdoor unit 1B of the air conditioner according to the third embodiment.
  • the point that the opening 17 that communicates the blower chamber 9 and the machine room 10 is formed in the partition plate 3A and the point that the protrusion 18 is provided in the partition plate 3A are the same as those in the above-described first embodiment. It is different.
  • the same reference numerals are given to the parts that overlap with the first embodiment, and the description thereof will be omitted.
  • the protrusion 18 is omitted.
  • an opening 17 for communicating the blower chamber 9 and the machine chamber 10 is formed in a portion of the partition plate 3A located between the heat shield portion 11 and the reactor 7.
  • the shape of the opening 17 is not particularly limited, but is rectangular in the present embodiment.
  • the opening area of the opening 17 is not limited to the illustrated example, and may be changed as appropriate.
  • the opening 17 and the reactor 7 are arranged so that the position of the opening 17 in the vertical direction is above the position of the reactor 7 in the vertical direction. Although the opening 17 and the reactor 7 are arranged at positions that coincide with each other in the Y-axis direction in the present embodiment, they may be arranged at positions that are deviated from each other in the Y-axis direction.
  • the partition plate 3A is provided with a protrusion 18.
  • the protrusion 18 extends from the edge of the opening 17 of the partition plate 3A toward the inside of the machine room 10, and is arranged in front of the opening 17 with a gap from the opening 17.
  • the protrusion 18 extends obliquely upward from the lower edge of the opening 17 of the partition plate 3A toward the inside of the machine room 10.
  • the protrusion 18 is inclined so as to move away from the opening 17 as it goes upward.
  • the protrusion 18 is formed separately from the partition plate 3 in the present embodiment, it may be formed integrally with the partition plate 3.
  • the protrusion 18 is preferably provided over the entire length of the edge of the opening 17, but may be provided on a part of the edge of the opening 17, or may be provided at a space along the edge of the opening 17. A plurality may be provided.
  • the protrusion 18 may extend diagonally downward from the upper edge of the opening 17 of the partition plate 3A toward the inside of the machine room 10. Further, the protrusion 18 may extend from each of the upper edge and the lower edge of the opening 17 of the partition plate 3A toward the inside of the machine room 10.
  • an opening 17 for communicating the blower chamber 9 and the machine chamber 10 is formed in a portion of the partition plate 3A located between the heat shield portion 11 and the reactor 7.
  • the hot air in the machine room 10 can be directly discharged into the air blowing chamber 9 through the opening 17.
  • the thermal effect on the reactor 7 and the electric component 14 is exerted by the synergistic effect of the heat shield of the hot air by the heat shield portion 11, the forced air cooling to the heat shield portion 11, and the release of the hot air through the opening 17. It can be further relaxed.
  • the partition plate 3A is provided with a protrusion 18 extending from the edge of the opening 17 toward the inside of the machine room 10 and arranged in front of the opening 17 with a gap from the opening 17. Has been done. As a result, while allowing the release of hot air into the ventilation chamber 9 through the opening 17, it is possible to suppress the invasion of small animals, dust, moisture, salt, etc. into the machine room 10 through the opening 17, and the electrical component 14 Failure is less likely to occur.
  • FIG. 8 is a partially enlarged front view showing the periphery of the heat shield portion 11B and the heat shield portion 11B of the outdoor unit 1C of the air conditioner according to the fourth embodiment.
  • the present embodiment is different from the above-described third embodiment in that the heat shield portion 11B is tilted with respect to the horizontal axis H.
  • the same reference numerals are given to the parts that overlap with the third embodiment, and the description thereof will be omitted.
  • the heat shield portion 11B is inclined downward by an angle ⁇ with respect to the horizontal axis H.
  • the angle ⁇ may be appropriately set so as to reduce the air resistance of the air flowing through the air passage 12B of the heat shield portion 11B and not to come into contact with the reactor 7.
  • the horizontal dimension L1 of the heat shield portion 11B is larger than the horizontal dimension L2 of the reactor 7.
  • the horizontal dimension L1 of the heat shield portion 11B is larger than the horizontal dimension L3 of the compressor 6.
  • the heat shield 11B is arranged directly above the reactor 7 and the compressor 6.
  • the heat shield portion 11B is arranged from directly above the protrusion 18 to the side.
  • the heat shield portion 11B is arranged with a gap from the tip end portion of the protrusion 18.
  • the wiring 16 is arranged so as to bypass the tip end portion of the heat shield portion 11B.
  • the heat shield portion 11B may be inclined upward with respect to the horizontal axis H.
  • the angle of the heat shield 11B is set so that the air resistance of the air flowing through the air passage 12B of the heat shield 11B is reduced, and the electrical box 8 is used.
  • the angle may be set appropriately so that it does not come into contact with.
  • the same effect as that of the above-described third embodiment can be obtained.
  • the heat shield portion 11B can be tilted at an angle at which the air resistance of the air flowing through the air passage 12B of the heat shield portion 11B is reduced, the heat shield portion 11B flows through the air passage 12B of the heat shield portion 11B.
  • the flow rate of air can be increased.
  • the hot air in the machine room 10 can be further dissipated by the heat shield portion 11B, so that the thermal influence on the reactor 7 and the electric component 14 can be further mitigated.
  • the heat shield portion 11B is inclined downward by an angle ⁇ with respect to the horizontal axis H, the heat shield portion 11B and the heat shield portion 11B are tilted downward as compared with the case where the heat shield portion 11B is tilted horizontally or upward.
  • the distance from the protrusion 18 can be narrowed.
  • the configuration shown in the above embodiments is an example, and can be combined with another known technique, can be combined with each other, and does not deviate from the gist. It is also possible to omit or change a part of the configuration.
  • 1,1A, 1B, 1C Air conditioner outdoor unit 2 enclosure, 3,3A partition plate, 4 blower, 5 heat exchanger, 6 compressor, 7 reactor, 8 electrical box, 9 blower room, 10 machine room , 11, 11A, 11B heat shield, 11a first communication port, 11b second communication port, 11c opening, 12, 12A, 12B air passage, 13 motor, 14 electrical parts, 15 electrical cover, 16 wiring, 17 Opening, 18 protrusions, 21 bottom wall, 22 ceiling wall, 23 first side wall, 24 second side wall, 25 third side wall, 26 fourth side wall, 27 air supply port, 28 exhaust port.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

La présente invention concerne une unité extérieure (1) pour un climatiseur pourvue d'un carter (2), d'un panneau de séparation (3), d'un ventilateur (4), d'un échangeur de chaleur, d'un compresseur (6), d'un réacteur (7) et d'un boîtier d'équipement électrique (8). Le carter (2) est pourvu d'un orifice d'alimentation en air pour permettre à l'air provenant de l'extérieur du carter (2) de s'écouler dans une chambre de ventilation (9) et d'un orifice d'évacuation pour permettre à l'écoulement d'air produit par le ventilateur (4) d'être expulsé à l'extérieur de la chambre de ventilation (9). Le panneau de séparation (3) est pourvu d'au moins une section de protection thermique (11) qui fait saillie vers l'intérieur d'une chambre mécanique (10) et est disposée entre le réacteur (7) et le boîtier d'équipement électrique (8). Dans l'intérieur de la section de protection thermique (11) est formé un canal d'air (12) qui est en communication avec la chambre de ventilation (9) et à travers lequel une partie de l'air peut s'écouler de l'orifice d'alimentation en air vers l'orifice d'évacuation.
PCT/JP2020/007235 2020-02-21 2020-02-21 Unité extérieure pour climatiseur WO2021166256A1 (fr)

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PCT/JP2020/007235 WO2021166256A1 (fr) 2020-02-21 2020-02-21 Unité extérieure pour climatiseur
JP2022501585A JP7292490B2 (ja) 2020-02-21 2020-02-21 空気調和機の室外機

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WO2024004266A1 (fr) * 2022-06-29 2024-01-04 三菱重工業株式会社 Dispositif de conversion de puissance

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JPS62145037U (fr) * 1986-03-10 1987-09-12
JPH09229427A (ja) * 1996-02-26 1997-09-05 Sharp Corp 空気調和機の室外ユニット
WO2011048824A1 (fr) * 2009-10-19 2011-04-28 三菱電機株式会社 Matériau d'isolation par le vide, boîtier d'isolation thermique, réfrigérateur, dispositif de congélation/climatisation, dispositif d'alimentation en eau chaude, appareil, et procédé de fabrication de matériau d'isolation par le vide

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JP3172289B2 (ja) * 1992-11-18 2001-06-04 三洋電機株式会社 熱交換ユニット
FI126122B (en) 2011-12-22 2016-06-30 Upm Kymmene Corp Use of stationary phase that recognizes fibril cellulose in separation methods
WO2016052533A1 (fr) 2014-09-30 2016-04-07 本田技研工業株式会社 Mécanisme de décompression pour moteur à combustion interne

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Publication number Priority date Publication date Assignee Title
JPS6219537U (fr) * 1985-07-22 1987-02-05
JPS62145037U (fr) * 1986-03-10 1987-09-12
JPH09229427A (ja) * 1996-02-26 1997-09-05 Sharp Corp 空気調和機の室外ユニット
WO2011048824A1 (fr) * 2009-10-19 2011-04-28 三菱電機株式会社 Matériau d'isolation par le vide, boîtier d'isolation thermique, réfrigérateur, dispositif de congélation/climatisation, dispositif d'alimentation en eau chaude, appareil, et procédé de fabrication de matériau d'isolation par le vide

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WO2024004266A1 (fr) * 2022-06-29 2024-01-04 三菱重工業株式会社 Dispositif de conversion de puissance

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