WO2023029131A1 - Unité intérieure de climatisation montée au plafond - Google Patents

Unité intérieure de climatisation montée au plafond Download PDF

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Publication number
WO2023029131A1
WO2023029131A1 PCT/CN2021/120694 CN2021120694W WO2023029131A1 WO 2023029131 A1 WO2023029131 A1 WO 2023029131A1 CN 2021120694 W CN2021120694 W CN 2021120694W WO 2023029131 A1 WO2023029131 A1 WO 2023029131A1
Authority
WO
WIPO (PCT)
Prior art keywords
indoor unit
ceiling
mounted air
unit according
air
Prior art date
Application number
PCT/CN2021/120694
Other languages
English (en)
Chinese (zh)
Inventor
林忠超
王洪新
赵宇航
刘洪元
孙恺
Original Assignee
青岛海信日立空调系统有限公司
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
Priority claimed from CN202111033232.3A external-priority patent/CN113639317A/zh
Priority claimed from CN202111033225.3A external-priority patent/CN113669794A/zh
Priority claimed from CN202122121332.3U external-priority patent/CN216744600U/zh
Priority claimed from CN202122121369.6U external-priority patent/CN217057716U/zh
Application filed by 青岛海信日立空调系统有限公司 filed Critical 青岛海信日立空调系统有限公司
Priority to CN202180101738.5A priority Critical patent/CN118159783A/zh
Publication of WO2023029131A1 publication Critical patent/WO2023029131A1/fr

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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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • 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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers

Definitions

  • the present application relates to the technical field of air conditioners, in particular to a ceiling-mounted air conditioner indoor unit.
  • An air conditioner is a household appliance commonly used in people's daily life.
  • the air conditioner usually includes an indoor unit and an outdoor unit.
  • the indoor unit is installed on the indoor side, and the outdoor unit is installed on the outdoor side.
  • a ceiling-mounted indoor unit (commonly referred to as an air duct unit) generally includes a casing, and a fan and a heat exchanger arranged in the casing.
  • Some embodiments of the present application provide a ceiling-mounted air conditioner indoor unit, which is used to connect to an outdoor unit of an air conditioner, including:
  • a casing the casing is provided with an air inlet and an air outlet, and a plurality of hanging rods are respectively arranged on both sides of the casing;
  • a hoisting bracket, the two sides of the hoisting bracket are respectively provided with a plurality of hooks;
  • the hanging rod is used to be inserted into the corresponding hook.
  • Fig. 1 is a schematic diagram of a ceiling-mounted air conditioner indoor unit in use according to some embodiments
  • Fig. 2 is a schematic diagram of an assembly of a ceiling-mounted air conditioner indoor unit according to some embodiments
  • Fig. 3 is an exploded view of a ceiling-mounted air conditioner indoor unit according to some embodiments.
  • Fig. 4 is a partial structure of a ceiling-mounted air conditioner indoor unit according to some embodiments.
  • Fig. 5 is a partially enlarged schematic diagram of area A in Fig. 4;
  • Fig. 6 is an assembly view of the upper casing and the lower casing of the ceiling-mounted air conditioner indoor unit according to some embodiments;
  • Fig. 7 is a structural view of a decorative panel in a ceiling-mounted air conditioner indoor unit according to some embodiments.
  • first and second are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present application, unless otherwise specified, "plurality" means two or more.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application in specific situations.
  • An air conditioner used by an embodiment of the present disclosure uses a compressor, a condenser, an expansion valve, and an evaporator to implement a cooling and heating cycle of the air conditioner.
  • the cooling and heating cycle includes a series of processes involving compression, condensation, expansion and evaporation, and supplies a cooling medium to the air that has been conditioned and heat exchanged.
  • the compressor compresses the high-temperature and high-pressure refrigerant gas and discharges the compressed refrigerant gas.
  • the discharged refrigerant gas flows into the condenser.
  • the condenser condenses the compressed refrigerant into a liquid phase, and the heat is released to the surrounding environment through the condensation process.
  • the expansion valve expands the high-temperature and high-pressure liquid-phase refrigerant condensed in the condenser into a low-temperature and low-pressure liquid-phase refrigerant.
  • the evaporator evaporates the refrigerant expanded in the expansion valve, and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor.
  • the evaporator can realize the refrigeration effect by using the latent heat of evaporation of the refrigerant to exchange heat with the material to be cooled.
  • the air conditioner regulates the temperature of the interior space.
  • the outdoor unit of the air conditioner refers to the part of the refrigeration cycle including the compressor, outdoor heat exchanger and outdoor fan
  • the indoor unit of the air conditioner includes the part of the indoor heat exchanger and the indoor fan
  • the throttling device such as capillary or electronic expansion valve
  • the indoor heat exchanger and the outdoor heat exchanger are used as condensers or evaporators.
  • the air conditioner When the indoor heat exchanger is used as a condenser, the air conditioner performs a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner performs a cooling mode.
  • the conversion of the indoor heat exchanger and the outdoor heat exchanger into a condenser or an evaporator generally adopts a four-way valve.
  • the settings of a conventional air conditioner and will not be repeated here.
  • the refrigeration working principle of the air conditioner is: the compressor works so that the indoor heat exchanger (in the indoor unit, the evaporator at this time) is in an ultra-low pressure state, the liquid refrigerant in the indoor heat exchanger quickly evaporates and absorbs heat, and the indoor fan blows out After cooling down by the indoor heat exchanger coil, the wind turns into cold air and blows it indoors.
  • the vaporized refrigerant is pressurized by the compressor, the high pressure in the outdoor heat exchanger (in the outdoor unit, it is the condenser at this time) It condenses into a liquid state in the environment, releases heat, and dissipates the heat into the atmosphere through the outdoor fan, so that the cycle achieves the cooling effect.
  • the heating working principle of the air conditioner is: the gaseous refrigerant is pressurized by the compressor to become a high-temperature and high-pressure gas, enters the indoor heat exchanger (in this case, the condenser), condenses and liquefies, releases heat, and becomes a liquid, and at the same time heats the indoor air, thereby To achieve the purpose of increasing the indoor temperature.
  • the liquid refrigerant is decompressed by the throttling device, enters the outdoor heat exchanger (at this time, the evaporator), evaporates and gasifies, absorbs heat, and becomes a gas, and at the same time absorbs the heat of the outdoor air (the outdoor air becomes colder), and becomes a gaseous refrigerant. Enter the compressor again to start the next cycle.
  • the ceiling-mounted air conditioner indoor unit includes:
  • the casing 1 is provided with an air inlet 101 and an air outlet 102, and a plurality of hanging rods 10 are respectively arranged on both sides of the casing 1;
  • the indoor heat exchanger 2 is arranged in the shell 1;
  • An indoor fan 3, the indoor fan 3 is arranged in the casing 1;
  • the hoisting bracket 4, the two sides of the hoisting bracket 4 are respectively provided with a plurality of hooks 41;
  • the hanging rod 10 is used to be inserted into the corresponding hook 41 .
  • the ceiling bracket 4 is fixed and installed on the top surface 1000 of the room through expansion bolts 42; then, the casing 1 is lifted and the hanging rod 10 is inserted into the corresponding hook 41, so that the housing 1 can be hoisted on the roof through the cooperation of the hook 41 and the hanging rod 10.
  • the hanging bracket is fixed on the top of the room to meet the requirements of external installation.
  • the hanging bracket is equipped with a hook.
  • a hanging rod is arranged on the shell.
  • the casing is hung on the top of the room. In this way, on the one hand, the ceiling-mounted air conditioner indoor unit does not occupy the effective space in the room; The scope of use of the indoor unit.
  • the free end of the hanging rod 10 is provided with a threaded portion (not mark), the threaded part is threaded with a nut 100.
  • the free end of the hanging rod 10 will protrude to the outside of the hook 41, and then the nut 100 is screwed to the free end of the hanging rod 10 part, so as to lock the hanging rod 10 by tightening the nut 100, thereby improving the installation reliability.
  • the hook 41 of an integrated structure can be formed on the suspension bracket 4.
  • the two parts of the suspension bracket 4 Suspension plates 43 extending downward are respectively provided on the sides, and a notch structure is provided on one side of the suspension plate 43 , and the notch structure forms a hook 41 .
  • the hanging plate 43 is formed by bending the edge, and then, punching and other machining methods are used to form a notch structure on the hanging plate 43 to form the hook 41 .
  • the hook 41 is integrally formed on the hoisting bracket 4 , so that the connection strength between the hook 41 and the hoisting bracket 4 is higher.
  • the hoisting bracket 4 in order to reduce the height space occupied by the hoisting bracket 4, the hoisting bracket 4 has a plate-like structure as a whole, and is equipped with a concave-convex structure or a rib structure to strengthen the hoisting bracket 4. structural strength.
  • an upwardly protruding limiting portion 44 is provided at the entrance of the notch structure.
  • the hanging rod 10 slides in from the entrance of the notch structure, and goes over the limiting portion 44 to complete the installation. Under the action of the limiting portion 44 , the hanging rod 10 will reduce the phenomenon that the hanging rod 10 is detached from the hook 41 , thereby improving the installation reliability.
  • the entrance of the notch structure is a bell mouth.
  • the entrance of the notch structure adopts the form of a bell mouth, so that the hanging rod 10 can be easily slid into the notch structure from a larger opening, so that the hanging rod 10 can be accurately and conveniently hung on the hook 41 .
  • a decorative plate 5 is also included, and the decorative plate 5 is arranged on the casing 1 and covers the hanging rod 10 at the corresponding position.
  • the free end of the hanging rod 10 is exposed outside the hook 41 , and at the same time, the nut 100 is also exposed outside the hook 41 .
  • the decorative plate 5 is used to cover the hanging rod 10 and the nut 100, so as to optimize the overall appearance effect.
  • the decorative plate 5 in order to install the decorative plate 5 conveniently and quickly, the decorative plate 5 is clamped on the shell 1.
  • the decorative panel 5 can be quickly and quickly assembled to the casing 1 in a clamping manner.
  • a locking groove 123 may be provided on the housing 1 , and a claw 51 may be arranged on the decorative plate 5 , and the claw 51 is stuck in the locking groove 123 .
  • a positioning hole 122 is provided on the housing 1 , and a positioning post 52 is provided on the decorative plate 5 , and the positioning post 52 is inserted into the positioning hole 122 .
  • the casing 1 is provided with a plurality of engaging slots 123
  • the decorative plate 5 is provided with a corresponding number of engaging claws 51 .
  • the housing 1 includes a sheet metal top plate 11 and a casing, the sheet metal top plate 11 is provided with a hanging rod 10, the casing is provided with an air inlet 101 and an air outlet 102, and the indoor heat exchanger 2 and the indoor fan 3 are arranged on the sheet metal top plate 11, and the housing is arranged on the sheet metal top plate 11 and covers the indoor heat exchanger 2 and the indoor fan 3.
  • the indoor heat exchanger 2 and the indoor fan 3 are fixedly installed on the sheet metal top plate 11, and the sheet metal top plate 11 has sufficient structural strength to meet the load requirements.
  • the air outlet 102 includes a first sub-air outlet 1021 and a second sub-air outlet 1022
  • the housing 1 includes an upper shell 12 and a lower shell 13
  • the lower shell 13 is arranged on the upper shell 12
  • the second One sub-air outlet 1021 and the air inlet 101 are arranged on the bottom surface of the lower casing 13
  • the second sub-air outlet 1022 is arranged on the side wall of the lower casing 13 .
  • the shell 1 is assembled by the upper shell 12 and the lower shell 13, the indoor heat exchanger 2 and the indoor fan 3 are arranged in the shell 1, and in order to increase the range of air supply, the bottom surface of the lower shell 13
  • the first sub-air outlet 1021 is arranged on the top, and the first sub-air outlet 1021 can directly deliver airflow downwards, so as to meet the requirements of blowing hot air to the bottom of the room in winter, so as to reduce the temperature of the lower space of the room caused by the rise of hot air.
  • the side wall of the lower casing 13 is provided with a second sub-air outlet 1022, which can output airflow horizontally, thereby satisfying the need to deliver cold air to the room in summer to blow the cold air to the bottom of the horizontal room, and the cold air sinks by using the cold air , so that the room can be fully cooled.
  • the indoor heat exchanger 2 adopts a U-shaped structure, and the indoor heat exchanger 2 is half Surrounding the outside of the indoor fan 3 , the first sub-air outlet 1021 and the second sub-air outlet 1022 are arranged in the outer area of the indoor heat exchanger 2 , and the air inlet 101 is arranged in the inner area of the indoor heat exchanger 2 .
  • the indoor heat exchanger 2 with a U-shaped structure can make full use of the space in the shell 1 to arrange a sufficiently large heat exchange surface, thereby improving the heat exchange efficiency of the air.
  • the indoor fan 3 can be a centrifugal fan and is half-surrounded by the indoor heat exchanger 2. The air sucked by the indoor fan 3 along the axis will be directly perpendicular to the outer indoor heat exchanger 2, which is more conducive to improving the wind speed of the air outlet 102. .
  • the first sub-air outlet 1021 and the second sub-air outlet 1022 are distributed outside the indoor heat exchanger 2.
  • the ground where the first sub-air outlet 1021 is located is opposite to the indoor heat exchanger 2.
  • the air after heat exchange from the indoor heat exchanger 2 can be directly output from the second sub-air outlet 1022;
  • the side wall where the second sub-air outlet 1022 is located Relatively arranged, the air after heat exchange from the indoor heat exchanger 2 can be directly output from the second sub-air outlet 1022 .
  • the second sub-air outlet 1022 may be provided on the front side wall of the lower case 13
  • the first sub-air outlets 1021 may be respectively provided on the bottom surfaces of both ends of the lower case 13 . Since the rear part of the ceiling-mounted air-conditioning indoor unit is generally installed close to the wall during installation, in this way, the horizontal airflow output from the second sub-air outlet 1022 on the front side wall of the lower casing 13 can cover the entire room to the greatest extent; The two first sub-air outlets 1021 on the bottom surface of the lower casing 13 can blow air from both ends toward the room, further covering the bottom area of the casing 1 .
  • the front side wall of the upper housing 12 is provided with an air outlet notch 121
  • the front side wall of the lower housing 13 is provided with a second sub-air outlet 1022.
  • the air outlet 1022 is arranged opposite to the air outlet notch 121 .
  • the airflow output from the indoor heat exchanger 2 can be directly output from the second sub-air outlet 1022 through the air outlet gap 121, so as to reduce the Wind resistance increases air supply volume.
  • the housing 1 further includes an air inlet grill 14 , which is arranged on the bottom surface of the lower casing 13 and covers the air inlet 101 .
  • the air intake grille 14 is arranged on the bottom surface of the lower housing 13 to cover the air inlet 101 , thereby improving the appearance effect, and the structure of the air intake grille 14 itself can meet the requirement of the air inlet 101 for smooth air intake.
  • the side wall of the lower case 13 surrounds the outside of the side wall of the upper case 12 .
  • the lower casing 13 will surround the outside of the upper casing 12 from the lower part of the upper casing 12, so that the user looks up at the whole machine in the room The overall appearance is better.
  • clamping screw connection, etc. may be used, and no limitation or description is made here.
  • a clamping method in order to reduce the exposed screws on the outside, a clamping method can be used.
  • guide protrusions 131 and buckles 132 are provided on the side wall of the lower housing 13 , and the upper housing 12
  • the side wall is provided with a guide groove 124 and a limiting hole 125 , the guiding protrusion 131 is inserted in the guiding groove 124 , and the buckle 132 is locked in the limiting hole 125 .
  • the upper casing 12 is arranged on the sheet metal top plate 11 , and the two can be fixed by conventional connection methods such as screws.
  • the lower housing 13 is guided and installed through the cooperation of the guide protrusion 131 and the guide groove 124 , and finally, the buckle 132 is snapped into the limiting hole 125 .
  • the upper shell can
  • the body 12 is provided with a passage 126 for laying pipelines, and the passage 126 is close to the rear side wall of the upper casing 12 .
  • the refrigerant pipelines and cables are led out from the upper casing 12 and routed through the channel 126.
  • the refrigerant pipelines and cables are located in the channel 126 to reduce the exposure of the pipelines and optimize the overall appearance effect on the one hand.
  • the other party can also ensure the safe and reliable wiring of the pipeline to improve the safety of later use.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

Unité intérieure de climatisation montée au plafond, conçue pour être reliée à une unité extérieure d'un climatiseur et comprenant : un boîtier (1), le boîtier (1) étant pourvu d'une entrée d'air (101) et d'une sortie d'air (102) et deux côtés du boîtier (1) étant chacun pourvu d'une pluralité de tiges de suspension (10) ; et un support de montage au plafond (4), deux côtés du support de montage au plafond (4) étant chacun pourvus d'une pluralité de crochets (41), les tiges de suspension (10) étant conçues pour être insérées dans les crochets correspondants (41).
PCT/CN2021/120694 2021-09-03 2021-09-26 Unité intérieure de climatisation montée au plafond WO2023029131A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202180101738.5A CN118159783A (zh) 2021-09-03 2021-09-26 吊装式空调室内机

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN202111033225.3 2021-09-03
CN202111033232.3A CN113639317A (zh) 2021-09-03 2021-09-03 空调室内机
CN202111033225.3A CN113669794A (zh) 2021-09-03 2021-09-03 吊装式空调室内机
CN202122121369.6 2021-09-03
CN202111033232.3 2021-09-03
CN202122121332.3U CN216744600U (zh) 2021-09-03 2021-09-03 吊装式空调室内机
CN202122121332.3 2021-09-03
CN202122121369.6U CN217057716U (zh) 2021-09-03 2021-09-03 空调室内机

Publications (1)

Publication Number Publication Date
WO2023029131A1 true WO2023029131A1 (fr) 2023-03-09

Family

ID=85410797

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2021/120694 WO2023029131A1 (fr) 2021-09-03 2021-09-26 Unité intérieure de climatisation montée au plafond
PCT/CN2021/120695 WO2023029132A1 (fr) 2021-09-03 2021-09-26 Unité de climatisation intérieure

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/120695 WO2023029132A1 (fr) 2021-09-03 2021-09-26 Unité de climatisation intérieure

Country Status (2)

Country Link
CN (2) CN118119796A (fr)
WO (2) WO2023029131A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846020U (ja) * 1981-09-24 1983-03-28 株式会社東芝 天吊形空気調和機用懸架装置
JPH06123442A (ja) * 1992-10-12 1994-05-06 Hitachi Ltd 天井カセット形空気調和機
JPH0894117A (ja) * 1994-09-26 1996-04-12 Daikin Ind Ltd 天吊式空気調和機のケーシング構造
JP2001147042A (ja) * 1999-11-19 2001-05-29 Fujitsu General Ltd 天井埋込形空気調和機
JP2014142082A (ja) * 2013-01-22 2014-08-07 Mitsubishi Heavy Ind Ltd 天吊り形空調ユニットの吊り金具
CN206291334U (zh) * 2016-11-30 2017-06-30 广东美的制冷设备有限公司 天花机
CN213395603U (zh) * 2020-10-15 2021-06-08 青岛海信日立空调系统有限公司 一种吸顶式空调室内机及空调器

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002130796A (ja) * 2000-10-24 2002-05-09 Daikin Ind Ltd 空気調和装置
JP5720598B2 (ja) * 2012-02-10 2015-05-20 ダイキン工業株式会社 空気調和装置の室内機
CN210609943U (zh) * 2019-10-12 2020-05-22 厦门华联电子股份有限公司 一种空调控制器外壳
CN112212408A (zh) * 2020-10-20 2021-01-12 青岛海信日立空调系统有限公司 空调室内机
CN213901269U (zh) * 2020-12-04 2021-08-06 海信（山东）空调有限公司 吊顶式空调室内机
CN214094711U (zh) * 2020-12-10 2021-08-31 海信（山东）空调有限公司 吊顶式空调室内机
CN213901267U (zh) * 2020-12-10 2021-08-06 海信（山东）空调有限公司 吊顶式空调室内机
CN213841121U (zh) * 2020-12-10 2021-07-30 海信（山东）空调有限公司 吊顶式空调室内机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5846020U (ja) * 1981-09-24 1983-03-28 株式会社東芝 天吊形空気調和機用懸架装置
JPH06123442A (ja) * 1992-10-12 1994-05-06 Hitachi Ltd 天井カセット形空気調和機
JPH0894117A (ja) * 1994-09-26 1996-04-12 Daikin Ind Ltd 天吊式空気調和機のケーシング構造
JP2001147042A (ja) * 1999-11-19 2001-05-29 Fujitsu General Ltd 天井埋込形空気調和機
JP2014142082A (ja) * 2013-01-22 2014-08-07 Mitsubishi Heavy Ind Ltd 天吊り形空調ユニットの吊り金具
CN206291334U (zh) * 2016-11-30 2017-06-30 广东美的制冷设备有限公司 天花机
CN213395603U (zh) * 2020-10-15 2021-06-08 青岛海信日立空调系统有限公司 一种吸顶式空调室内机及空调器

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Publication number Publication date
CN118119796A (zh) 2024-05-31
CN118159783A (zh) 2024-06-07
WO2023029132A1 (fr) 2023-03-09

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