WO2017094198A1 - 室外機 - Google Patents

室外機 Download PDF

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Publication number
WO2017094198A1
WO2017094198A1 PCT/JP2015/084219 JP2015084219W WO2017094198A1 WO 2017094198 A1 WO2017094198 A1 WO 2017094198A1 JP 2015084219 W JP2015084219 W JP 2015084219W WO 2017094198 A1 WO2017094198 A1 WO 2017094198A1
Authority
WO
WIPO (PCT)
Prior art keywords
partition plate
sheet metal
outdoor unit
base sheet
compressor
Prior art date
Application number
PCT/JP2015/084219
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
進一 内野
亮三 大貫
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 JP2017553598A priority Critical patent/JP6501908B2/ja
Priority to EP15909828.4A priority patent/EP3385626B1/de
Priority to CN201580084594.1A priority patent/CN108369016B/zh
Priority to PCT/JP2015/084219 priority patent/WO2017094198A1/ja
Publication of WO2017094198A1 publication Critical patent/WO2017094198A1/ja

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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
    • F24F1/40—Vibration or noise prevention at outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F1/36—Drip trays for outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • 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

  • the present invention relates to an outdoor unit, and more particularly to its soundproof structure.
  • Patent Document 1 proposes a technique for suppressing noise generated from a compressor by covering the compressor with a soundproof cover.
  • Patent Document 2 it is proposed to arrange the compressor inside the soundproof box.
  • Patent Document 2 describes that a soundproof box in which a compressor is accommodated is formed with a plurality of opening portions that are opened in the same space as the blower, such as notches and wiring holes. It is difficult to prevent the sound of the compressor leaking from these openings from leaking to the outside together with the outside air from the space in which the blower is arranged, and the sound leaking to the outside.
  • the present invention has been made in order to address the above-described problems, and an object of the present invention is an outdoor unit that combines cooling of electrical components, drainage of condensed water generated in a machine room, and a soundproofing effect.
  • An outdoor unit includes a base sheet metal in which a base drain hole is formed, a plurality of outer panels surrounding the base sheet metal, a first partition plate attached upward to the base sheet metal, and the first From one surface of one partition plate, a second partition plate that is horizontally attached to the base sheet metal, and a third partition plate that is attached upward with respect to the base sheet metal and whose upper end portion is continuous with the second partition plate.
  • a blower chamber formed in a space opposite to the second partition plate of the first partition plate, a partition plate, and a housing made of the base sheet metal and the plurality of outer panels partitioned by the first partition plate;
  • the housing is partitioned by the first partition plate and the third partition plate, and is formed by a surface of the first partition plate to which the second partition plate is attached and an upper surface of the second partition plate.
  • the electrical compartment and the housing A machine room formed by the first partition plate, the surface partitioned by the third partition plate, the surface of the first partition plate to which the second partition plate is attached, and the lower surface of the second partition plate;
  • the electrical component chamber is formed in the base drain hole, the first ventilation port formed in the outer panel, the first partition plate, communicated with the first ventilation port, and the first ventilation port.
  • a second ventilation port that forms an upward air passage along the third partition plate, and the machine room has a sealed structure without an air intake port.
  • the electrical component chamber is formed in the second partition plate that is vertically attached to the first partition plate that partitions the housing, and the third partition perpendicular to the second partition plate.
  • a machine room is formed which is hermetically sealed with a plate and accommodates the compressor.
  • An air passage through which air flows is formed on the opposite side of the third partition plate from the machine room, so that the electrical product can be cooled and noise can be prevented from leaking outside through the opening.
  • FIG. 5 is a schematic view of the interior of the outdoor unit in FIG. 4 as viewed from the direction of arrow A in the section aa.
  • FIG. 5 is a schematic view of the inside of the outdoor unit in FIG. 4 viewed from the direction of arrow B.
  • It is a disassembled perspective view of the compressor sound insulation box which accommodates a compressor.
  • It is a perspective view which shows a mode that the sound-insulation box sheet metal was attached to the inside of an outdoor unit. It is the elements on larger scale which show the junction part of the 3rd partition plate of FIG.
  • FIG. 1 is a perspective view of an outdoor unit 1 according to the present embodiment.
  • the exterior of the outdoor unit 1 is formed by a front outer panel 6a, a rear outer panel 6b, side outer panels 6c and 6d, an upper outer panel 6e, and a base metal plate 2.
  • the casing 1a of the outdoor unit 1 is constituted by the base metal plate 2 and the outer panels 6a to 6e surrounding the base metal plate 2.
  • the outdoor unit 1 contains a fan, a fan motor, an air heat exchanger, and a compressor inside, and air is circulated from the rear outer panel 6b to the front outer panel 6a by driving the fan.
  • the outdoor unit 1 that houses the air heat exchanger and the compressor, and the indoor unit that houses the indoor side heat exchanger and the expander are connected by a refrigerant circuit to form a refrigeration cycle.
  • a refrigerant circuit constituting the refrigeration cycle may be appropriately connected with a four-way valve that changes the flow direction of the refrigerant, an accumulator that stores the refrigerant, and the like.
  • FIG. 2 is a rear view of the outdoor unit 1 of FIG. As shown in FIG. 2, an opening for taking in air for heat exchange with the air heat exchanger and a rectangular first ventilation hole 10 are formed in the outer panel 6 b on the back surface.
  • the first ventilation port 10 is provided for taking in air for cooling the electrical components housed in the outdoor unit 1.
  • FIG. 3 is a perspective view of the base sheet metal 2 of FIG.
  • a plurality of concave portions 12, a plurality of convex portions 13, and a plurality of base drain holes 22 are formed in the base sheet metal 2 that is the bottom surface of the outdoor unit 1.
  • the base metal plate 2 is a region that receives the dew condensation water generated inside the outdoor unit 1.
  • the plurality of concave portions 12 and the plurality of convex portions 13 form a drainage path 14, collect condensed water received by the base metal plate 2, reach the communicating base drainage hole 22, and discharge it from the base drainage hole 22 to the outside.
  • the drainage path 14 may be formed by drawing a sheet metal.
  • the width of the drainage path 14 may not be constant, and the shape is not particularly limited, but the drainage path 14 may be formed in a plurality of streaks extending in the direction of the side surface and concentrated on the side surface.
  • FIG. 4 is a perspective view illustrating a configuration of a partition plate provided inside the outdoor unit 1 of FIG. Note that an arrow B in FIG. 4 indicates the front direction of the outdoor unit 1.
  • the interior of the outdoor unit 1 is partitioned by a first partition plate 7, a second partition plate 8, and a third partition plate 9.
  • the 1st partition plate 7 is attached toward the upper direction with respect to the base metal plate 2, and the rectangular-shaped 2nd ventilation hole 11 is formed in the upper part.
  • the second ventilation port 11 is a hole through which air taken in from the first ventilation port 10 formed in the outer panel 6b on the back reaches and circulates.
  • the second partition plate 8 is horizontally attached to the base metal plate 2 from one surface of the first partition plate 7, below the second ventilation port 11 and above the first ventilation port 10. positioned. Further, a rectangular notch 8 a is provided at a corner where the second partition plate 8 contacts the first partition plate 7. The notch 8 a is provided to circulate the air taken in from the first vent 10 and reach the second vent 11.
  • the third partition plate 9 is attached upward with respect to the base sheet metal 2.
  • the third partition plate 9 is bent in an L shape in a top view, one end portion 9a is attached perpendicularly to the first partition plate 7, and the other end portion 9b is a rear outline. It is attached perpendicular to the panel 6b.
  • An upper end 9 c of the third partition plate 9 is continuous with the notch 8 a of the second partition plate 8 at a right angle, and forms an air path for air reaching the second ventilation port 11 from the first ventilation port 10.
  • FIG. 5 is a schematic view of the interior of the outdoor unit 1 in FIG. 4 as viewed from the direction of arrow A in the aa cross section.
  • the white arrows in FIG. 5 indicate the air path C formed from the first vent 10 to the second vent 11.
  • 6 is a schematic view of the interior of the outdoor unit 1 shown in FIG.
  • the first partition plate 7, the second partition plate 8, and the third partition plate 9 include the housing 1 a, the blower chamber 3, the electrical component chamber 4, and the machine. Divide into chambers 5.
  • the blower chamber 3 is a space on the opposite side to the second partition plate 8 in the housing 1a partitioned by the first partition plate 7, and houses a heat exchanger, a fan, a fan motor, and the like. Openings are formed in the front outer panel 6a and the rear outer panel 6b, respectively, and air is taken in from the opening of the rear outer panel 6b by driving the fan, and is in contact with the air heat exchanger. It circulates toward the outer panel 6a.
  • the electrical component chamber 4 is partitioned by the first partition plate 7, and further, of the housing 1a partitioned by the third partition plate 9, the surface to which the second partition plate 8 of the first partition plate 7 is attached, It is a space formed by the upper surface of the second partition plate 8. On the upper surface of the second partition plate 8 of the electrical component chamber 4, for example, electrical components such as a control device are arranged.
  • the electrical component chamber 4 extends downward by a third partition plate 9 continuous with the second partition plate 8, and the base sheet metal 2 is the lowest part.
  • the third partition plate 9 forms an air passage C with the outer shell panel 6b on the back surface, sends the air taken in from the first vent 10 upward, and flows out from the second vent 11 to the blower chamber 3
  • a base drain hole 22 is located in the lower base sheet metal 2 of the electrical component chamber 4, and the condensed water received by the base sheet metal 2 is discharged.
  • the machine room 5 is partitioned by the first partition plate 7, and further, of the housing 1 a partitioned by the third partition plate 9, the surface of the first partition plate 7 to which the second partition plate 8 is attached, It is a space formed by the lower surface of the two partition plate 8. Since this space is not formed with an opening on any surface, the space has a sealed structure without a direct communication path.
  • the sealed structure is of a degree of hermeticity such as a closed room where there is a gap through which gas or fluid flows, and is not tightly sealed so that air cannot enter.
  • the machine room 5 accommodates a compressor and a refrigerant pipe.
  • the low-temperature and low-pressure refrigerant transferred through the refrigerant pipe is compressed, and a high-temperature and high-pressure refrigerant is generated and discharged.
  • the low-temperature and low-pressure refrigerant is discharged from either the indoor heat exchanger provided in the indoor unit or the air heat exchanger provided in the outdoor unit 1 that functions as an evaporator. Refrigerant.
  • FIG. 7 is an exploded perspective view of the compressor sound insulation box 16 that houses the compressor 18.
  • the compressor 18 is accommodated in the compressor sound insulation box 16.
  • the compressor sound insulation box 16 is a box body such as a square pole formed of sound insulation box metal plates 17a to 17f.
  • the sound insulation box sheet metal 17f on the bottom is formed with a sound insulation box drain hole 20 for draining the dew condensation water generated around the compressor 18.
  • sound absorbing materials 19a to 19e such as sound absorbing felts are attached to the inner surfaces of the sound insulation box sheets 17a to 17e which are the side surfaces and the upper surface.
  • the compressor 18 is disposed in the machine room 5 while being accommodated in the compressor sound insulation box 16.
  • FIG. 8 is a perspective view showing a state in which the sound insulation box sheet metal 17 f is attached to the inside of the outdoor unit 1.
  • the sound insulation box sheet metal 17 f is disposed such that the sound insulation box drain hole 20 is positioned immediately above the recess 12 on the upper surface of the base sheet metal 2, and is fixed to the protrusion 13.
  • the sound insulation box drain hole 20 discharges the condensed water generated in the compressor sound insulation box 16 toward the drain passage 14.
  • the drainage path 14 allows the discharged condensed water to flow therethrough and reaches the base drainage hole 22 located at the lowermost part of the electrical component room 4.
  • FIG. 9 is a partially enlarged view showing a joint portion of the third partition plate 9 of FIG.
  • the third partition plate 9 is joined to the base metal plate 2 at the lower end of the third partition plate 9 to partition the electrical component chamber 4 and the machine chamber 5.
  • the lower end of the third partition plate 9 is joined to the convex portion 13 of the base sheet metal 2 to form a drainage passage 14 together with the adjacent concave portion 12 so that the drainage passage 14 reaches the base drainage hole 22 of the electrical component chamber 4.
  • the machine room 5 that houses the compressor 18 connects the sound insulation box drain hole 20 at the lower part of the compressor sound insulation box 16 and the base drain hole 22 through the drain passage 14, and passes through the base drain hole 22. It communicates with the outside. Then, the dew condensation water discharged from the sound insulation box drain hole 20 reaches the base drain hole 22 from the sound insulation box drain hole 20 through the drain path 14 and is discharged outside the outdoor unit 1.
  • the control device accommodated in the electrical component room 4 starts processing.
  • the compressor 18 in the machine room 5 and the blower in the blower room 3 start operation, and the refrigerant in the refrigerant circuit starts to flow.
  • the blower blows air toward the air heat exchanger.
  • the compressor 18 compresses the low-temperature and low-pressure refrigerant that has flowed in, generates high-temperature and high-pressure refrigerant, and discharges the refrigerant from the refrigerant pipe. Such operation is continued while the outdoor unit 1 is in operation.
  • the compressor 18 generates sound by driving, and generates dew condensation water around the pipe through which the low-temperature refrigerant flows.
  • Condensed water flows downward around the compressor 18 and the pipe and reaches the bottom surface of the compressor sound insulation box 16.
  • the condensed water flows out from the sound insulation box drain hole 20 formed on the bottom surface of the compressor sound insulation box 16 and falls into the concave portion 12 of the base sheet metal 2 located immediately below.
  • Condensed water is guided to the electrical component room 4 separated from the machine room 5 by the third partition plate 9 by the drainage path 14 formed by the recess 12. And it reaches
  • the sound generated by the compressor 18 hits the sound insulation box sheets 17a to 17f of the compressor sound insulation box 16 in which the compressor 18 is accommodated.
  • the sound hitting the sound insulation box metal plates 17a to 17e is absorbed by the sound absorbing materials 19a to 19e and disappears.
  • the sound that hits the sound insulation box sheet metal 17f not provided with the sound absorbing materials 19a to 19e leaks into the base sheet metal 2 from the sound insulation box drain hole 20.
  • the sound is interrupted by the plurality of concave portions 12 and convex portions 13 formed in the base sheet metal 2, and disappears soon.
  • air is circulated through the second ventilation port 11 provided in the electrical component chamber 4 by driving the blower in the blower chamber 3 adjacent to the electrical component chamber 4.
  • the air is taken in from the first ventilation port 10, and the air flows through the air path C formed by the third partition plate 9.
  • circulates the air path C distribute
  • the base metal plate 2 having the plurality of concave portions 12 and the convex portions 13 and the compressor sound insulation box 16 thereby, the dew condensation water generated around the compressor 18 can be discharged from the sound insulation box drain hole 20 and discharged to the outside through the drain drain path 14 through the base drain hole 22.
  • the sound generated by the compressor 18 is absorbed by the sound absorbing materials 19a to 19e of the compressor sound insulation box 16, and the sound leaking from the sound insulation box drain hole 20 is a drainage path formed by the plurality of concave portions 12 and the convex portions 13. It is reflected and absorbed by 14 and disappears, and no sound leaks outside.
  • the air passage C is formed by the third partition plate 9 that separates the machine room 5 and the electrical component chamber 4, the electricity of the electrical component chamber 4 is not leaked from the first ventilation port 10 that takes in air. The product can be cooled.
  • the electrical component chamber is formed in the second partition plate 8 perpendicular to the first partition plate 7 that partitions the housing 1 a and is perpendicular to the second partition plate 8.
  • the machine room 5 that houses the compressor 18 is formed.
  • the machine room 5 has a sealed structure with no direct communication path, so that the sound of the compressor 18 does not leak, and condensed water generated around the compressor 18 passes through the drainage path 14 of the base metal plate 2. It circulates and reaches the base drain hole 22.
  • the air flows through the air passage C formed in the electrical component chamber 4 by the first ventilation port 10 and the second ventilation port 11 to cool the electrical component. Thereby, drainage of dew condensation water and the cooling of the electric product can be sufficiently performed, and noise can be prevented from leaking outside through the opening provided in the outdoor unit 1.
  • the electric component can be efficiently cooled. Can do.
  • the air passage C formed from the first air vent 10 to the second air vent 11 passes through the notch 8a formed in the second partition plate 8.
  • Condensed water that has circulated through the drainage path 14 can reach the base drainage hole 22 through the gap of the recess 12 between the third partition plate 9 and the base sheet metal 2 and can flow out.
  • the compressor sound insulation box 16 that accommodates the compressor 18 includes a sound insulation box drain hole 20 through which condensed water generated by the compressor 18 is discharged and sound absorbing materials 19a to 19e that absorb sound. Noise does not leak from the hole 22, and condensed water can be discharged.
  • the compressor sound insulation box 16 Since the compressor sound insulation box 16 is fixed to the convex portion 13 of the base sheet metal 2, the dew condensation water that has fallen from the compressor sound insulation box 16 to the drainage path 14 is a recess between the compressor sound insulation box 16 and the base sheet metal 2. 12 can flow out.
  • Condensed water generated in the compressor soundproof box 16 falls into the drainage path 14, flows through the drainage path 14 between the compressor soundproof box 16 and the base metal plate 2, and can flow out of the compressor soundproof box 16. .
  • the compressor 18 can be soundproofed and the electrical components can be cooled.
  • 1 outdoor unit 1a housing, 2 base sheet metal, 3 blower room, 4 electrical component room, 5 machine room, 6a-6e outer panel, 7 first partition plate, 8 second partition plate, 8a notch, 9 third Partition plate, 9a end, 9b end, 9c upper end, 10 1st vent, 11 2nd vent, 12 recess, 13 convex, 14 drainage path, 16 compressor sound insulation box, 17a-17f sound insulation box sheet metal, 18 compressor, 19a-19e sound absorbing material, 20 sound insulation box drain hole, 22 base drain hole.

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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)
PCT/JP2015/084219 2015-12-04 2015-12-04 室外機 WO2017094198A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017553598A JP6501908B2 (ja) 2015-12-04 2015-12-04 室外機
EP15909828.4A EP3385626B1 (de) 2015-12-04 2015-12-04 Aussenmaschine
CN201580084594.1A CN108369016B (zh) 2015-12-04 2015-12-04 室外机
PCT/JP2015/084219 WO2017094198A1 (ja) 2015-12-04 2015-12-04 室外機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/084219 WO2017094198A1 (ja) 2015-12-04 2015-12-04 室外機

Publications (1)

Publication Number Publication Date
WO2017094198A1 true WO2017094198A1 (ja) 2017-06-08

Family

ID=58796652

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/084219 WO2017094198A1 (ja) 2015-12-04 2015-12-04 室外機

Country Status (4)

Country Link
EP (1) EP3385626B1 (de)
JP (1) JP6501908B2 (de)
CN (1) CN108369016B (de)
WO (1) WO2017094198A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020003116A (ja) * 2018-06-26 2020-01-09 株式会社富士通ゼネラル 電装品モジュール
WO2020202495A1 (ja) * 2019-04-03 2020-10-08 三菱電機株式会社 空気調和装置の室外機
JP2021120607A (ja) * 2020-01-31 2021-08-19 シャープ株式会社 調湿装置

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AU2019445314B2 (en) * 2019-04-09 2022-10-13 Mitsubishi Electric Corporation Outdoor unit of air-conditioning apparatus
JP6974754B2 (ja) * 2019-09-18 2021-12-01 ダイキン工業株式会社 冷凍装置の室外機
IT202000002872A1 (it) * 2020-02-13 2021-08-13 Carel Ind Spa Assieme di supporto per unità motocondensante

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JPH0397127U (de) * 1990-01-18 1991-10-04
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
JP2020003116A (ja) * 2018-06-26 2020-01-09 株式会社富士通ゼネラル 電装品モジュール
JP7458142B2 (ja) 2018-06-26 2024-03-29 株式会社富士通ゼネラル 電装品モジュール
WO2020202495A1 (ja) * 2019-04-03 2020-10-08 三菱電機株式会社 空気調和装置の室外機
JPWO2020202495A1 (ja) * 2019-04-03 2021-10-21 三菱電機株式会社 空気調和機の室外機
JP7019097B2 (ja) 2019-04-03 2022-02-14 三菱電機株式会社 空気調和機の室外機
JP2021120607A (ja) * 2020-01-31 2021-08-19 シャープ株式会社 調湿装置
JP7355666B2 (ja) 2020-01-31 2023-10-03 シャープ株式会社 調湿装置

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CN108369016B (zh) 2020-10-27
EP3385626A1 (de) 2018-10-10
JP6501908B2 (ja) 2019-04-17
CN108369016A (zh) 2018-08-03
EP3385626B1 (de) 2022-10-26
EP3385626A4 (de) 2019-01-02

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