US20120003917A1 - Ceiling-mounted air conditioner - Google Patents

Ceiling-mounted air conditioner Download PDF

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Publication number
US20120003917A1
US20120003917A1 US13/141,833 US200913141833A US2012003917A1 US 20120003917 A1 US20120003917 A1 US 20120003917A1 US 200913141833 A US200913141833 A US 200913141833A US 2012003917 A1 US2012003917 A1 US 2012003917A1
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US
United States
Prior art keywords
shaft
ceiling
air conditioner
panel
mounted air
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.)
Abandoned
Application number
US13/141,833
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English (en)
Inventor
Man Sik Jeong
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Assigned to LG ELECTRONICS INC. reassignment LG ELECTRONICS INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: JEONG, MAN SIK
Publication of US20120003917A1 publication Critical patent/US20120003917A1/en
Abandoned legal-status Critical Current

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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
    • 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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • 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
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/26—Details or features not otherwise provided for improving the aesthetic appearance

Definitions

  • the present invention relates to a ceiling-mounted air conditioner, and more particularly, to a ceiling-mounted air conditioner which includes an elevation unit for generating and applying driving force to a door panel so as for the door panel to open or shut an air intake formed through an intake panel.
  • Most conventional ceiling-mounted air conditioners include an indoor unit mounted at the ceiling of a room and performing refrigeration, an outdoor unit performing heat dissipation and condensation, and a refrigerant tube connecting the indoor unit and the outdoor unit.
  • the air intakes of the conventional ceiling-mounted air conditioners are always open even when the ceiling-mounted air conditioners do not operate, and may thus disfigure the appearance of the ceiling-mounted air conditioners.
  • the present invention provides a ceiling-mounted air conditioner in which an air intake is configured to be open only when the ceiling-mounted air conditioner operates, and can thus contribute to the beauty of the ceiling-mounted air conditioner.
  • the present invention also provides a ceiling-mounted air conditioner in which an elevation unit for elevating a door panel is disposed at an intake panel and generates and applies driving force to the door panel so as for the door panel to be lifted up or down and thus to open or shut an air intake of the intake panel.
  • a ceiling-mounted air conditioner including a main body which has an open bottom so as to draw air thereinto through the open bottom; a door panel which is lifted up and down below the main body and thus opens or shuts the open bottom of the main body; and a plurality of elevation devices which lift up or down the door panel, wherein each of the elevation devices includes a plurality of moving elements, which are fixed onto the top surface of the door panel and are in engagement with the door panel so as to be able to lift up or down the door panel, a plurality of rotation elements, which are disposed in the main body and lift up or down the door panel by being placed in contact with the moving elements, a shaft, which is connected between the rotation elements, and a shaft driving unit, which is connected to one of the rotation elements and applies rotation force to the shaft so as for the shaft to be able to rotate.
  • the ceiling-mounted air conditioner may also include an intake panel which is disposed at the bottom of the main body and has an air intake in the middle, the air intake forming part of the open bottom of the main body; and an outlet panel which is disposed at the bottom of the main body and includes a plurality of air outlets formed along the boundaries thereof and having heat-exchanged air ejected therefrom, wherein the rotation elements, the shaft and the shaft driving unit are installed on the intake panel.
  • the ceiling-mounted air conditioner may include a plurality of shaft driving units, which are disposed on a pair of opposite sides of the door panel.
  • the shaft driving unit may include a motor, which is arranged in parallel with the shaft so that a rotation axis thereof can be parallel to the rotation axis of the shaft, and a connecting element, which is connected to the rotation axis of the motor and the shaft.
  • the connecting element may include a motor gear, which is connected to the rotation axis of the motor, and a shaft gear, which engages with the motor gear and is connected to the shaft so as to be able to rotate the shaft.
  • the rotation elements may include pinion gears whose rotation axis coincides with a rotation axis of the shaft, and the moving elements may include rack gears which engage with the pinion gears and are lifted up and down on the pinion gears.
  • the elevation device may also include a motor cover, which is disposed on the intake panel, surrounds the shaft driving unit and part of the circumferential surface of the shaft and supports the shaft so as to be able to rotate.
  • a motor cover which is disposed on the intake panel, surrounds the shaft driving unit and part of the circumferential surface of the shaft and supports the shaft so as to be able to rotate.
  • the elevation device may also include a shaft bracket, which is disposed on the intake panel, surrounds part of the circumferential surface of the shaft, and supports the shaft so as to be able to rotate.
  • the shaft driving unit may be disposed near one of the rotation elements, and the shaft bracket is disposed near another one of the rotation elements.
  • the intake panel may include a hook groove, and a first end portion of the shaft bracket is inserted into the hook groove.
  • the intake panel may also include a screw coupling unit, which is formed on one side of the hook groove, and a second end portion of the shaft bracket is coupled to the screw coupling unit by a screw.
  • the ceiling-mounted air conditioner according to the ceiling-mounted air conditioner includes an intake panel, which has an air intake, a door panel, which can be lifted up to and down from the intake panel, and a plurality of elevation driving units, which are disposed on the intake panel and apply driving force to the door panel so as for the door panel to be lifted up and down and thus to open or shut the air intake of the intake panel. Therefore, it is possible to improve the exterior appearance of the ceiling-mounted air conditioner and facilitate the design of the ceiling-mounted air conditioner.
  • FIG. 1 illustrates a perspective view of a ceiling-mounted air conditioner according to an exemplary embodiment of the present invention
  • FIGS. 2A and 2B illustrate cross-sectional views taken along line A-A of FIG. 1 ;
  • FIG. 3 illustrates a perspective view of an outlet panel and an intake panel shown in FIG. 1 ;
  • FIGS. 4A and 4B illustrate exploded perspective views taken along line B-B of FIG. 3 ;
  • FIG. 5 illustrates a perspective view of the intake panel shown in FIGS. 4A and 4B ;
  • FIG. 6 illustrates a cross-sectional view of the coupling between a shaft and a shaft bracket shown in FIG. 1 .
  • FIG. 1 illustrates a perspective view of a ceiling-mounted air conditioner according to an exemplary embodiment of the present invention.
  • the ceiling-mounted air conditioner may include a main body 10 disposed between a ceiling 1 and a ceiling finishing material 2 .
  • the main body 10 may have an open bottom.
  • an air-blowing fan 5 which draws indoor air into the main body 10 and discharges the air
  • a heat exchanger 7 which exchanges heat with the indoor air, may be installed in the main body 10 , as shown in FIG. 2A .
  • the main body 10 may be formed as a square or rectangular box having an open bottom, and may thus be able to accommodate the air-blowing fan 5 and the heat exchanger 7 therein.
  • An outlet panel 100 may be installed at the bottom of the main body 10 , and may be on a level with the ceiling finishing material 2 .
  • the outlet panel 100 may hide the bottom of the main body 10 from view.
  • the outlet panel 100 may have an opening 105 in the middle, and may thus accommodate an intake panel 200 therein.
  • the outlet panel 100 may include a plurality of air outlets 110 which are formed along the boundaries of the outlet panel 100 and discharge air processed in the main body 10 .
  • the outlet panel 100 may be formed as a rectangular frame, conforming to the shape of the bottom of the main body 10 , and may thus be able to effectively hide the bottom of the main body 10 from view.
  • FIGS. 2A and 2B illustrate cross-sectional views taken along line A-A of FIG. 1
  • FIG. 3 illustrates a perspective view of the outlet panel 100 and the intake panel 200
  • FIGS. 4A and 4B illustrate exploded perspective views taken along line B-B of FIG. 3
  • FIG. 5 illustrates a perspective view of the intake panel 200
  • FIG. 6 illustrates a cross-sectional view of the coupling between a shaft 232 and a shaft bracket 250 shown in FIG. 1 .
  • a plurality of wind vanes 115 may be installed in their respective air outlets 110 .
  • the wind vanes 115 may open or shut their respective air outlets 110 by rotating by a predetermined angle, and may adjust the direction of flow of air discharged from the air outlets 110 .
  • the intake panel 200 may be installed inside the outlet panel 100 so as to shut the opening 105 of the outlet panel 100 .
  • the intake panel 200 may have an air intake 205 in the middle, and may thus allow indoor air to be drawn into the main body 10 .
  • a purification filter 210 may be disposed above the air intake 205 and may filter out impurities in the air drawn into the main body 10 .
  • a purification filter installation unit 215 may be formed on the top surface of the intake panel 200 so as for the purification filter 210 to be installed on the intake panel 200 .
  • the air intake 205 of the intake panel 200 may contribute to part of the open bottom of the main body 10 . That is, the inlet panel 200 may be installed in the opening 105 of the outlet panel 100 , and the air intake 205 of the intake panel 200 may contribute to part of the open bottom of the main body 10 .
  • the air intake 205 of the intake panel 200 may be formed as a circle and may thus allow indoor air to be drawn into the center of the main body 10 .
  • the intake panel 200 may not only provide room for the installation of the purification filter 210 , but also serve as an orifice for adjusting the amount and speed of air drawn into the main body 10 .
  • the air intake 205 may not necessarily have to be formed as a circle. That is, the air intake 205 may be formed in various shapes other than a circular shape.
  • the ceiling-mounted air conditioner may also include a plurality of elevation driving units 230 which are disposed on the top surface of the intake panel 200 and apply driving force to a door panel 300 so as for the door panel 300 to be lifted up or down.
  • the elevation driving units 230 may be a predetermined distance apart from each other.
  • two elevation driving units 230 may be disposed along a pair of opposite sides of the intake panel 200 .
  • Each of the elevation driving units 230 may include a motor 231 , which is disposed on the intake panel 200 , a shaft 232 , which is arranged in line with the rotation axis of the motor 231 , a connecting element 233 which connects the motor 231 and the shaft 232 and thus allows the shaft 232 to rotate along with the motor 231 , and a plurality of rotation elements 234 , which are installed at either end of the shaft 232 and can rotate the shaft 232 .
  • Two motors 231 may be disposed on a pair of opposite sides of the intake panel 200 .
  • Two shafts 232 may be disposed on the opposite sides of the intake panel 200 where the two motors 231 are disposed, and may be isolated from each other.
  • shaft driving units 230 ′ For convenience, the motors 231 and the connecting elements 233 will hereinafter be collectively referred to as shaft driving units 230 ′.
  • the rotation speed of the motors 231 affects the elevation of the door panel 300 . That is, if the motors 231 have different rotation speeds, the door panel 300 may not be able to be uniformly elevated, and may thus adversely affect the exterior appearance of the ceiling-mounted air conditioner.
  • Each of the shaft driving units 230 ′ including a motor 231 and a connecting element 233 may be disposed between a pair of rotation elements 234 , which are provided near either end of a shaft 232 , and may be connected to the shaft 232 . More specifically, the shafts 232 may be aligned in parallel with the rotation axes of the motors 231 , and may be connected mechanically to the motors 231 by the connecting elements 233 .
  • Each of the connecting elements 233 may include a motor gear 233 A, which is connected to the rotation axis of a corresponding motor 231 , and a shaft gear 233 B, which engages with the motor gear 233 A and rotates a corresponding shaft 232 by rotating along with the motor gear 233 A.
  • each of the shaft driving units 230 ′ is disposed between a plurality of rotation elements 234 , there is no need to provide additional room for the installation of the shaft driving units 230 ′, and thus, the facilitation of the design of the intake panel 200 may be maximized.
  • the ceiling-mounted air conditioner may include a plurality of motor covers 237 , which are disposed on the intake panel 200 .
  • the motor covers 237 may surround the shaft driving units 230 ′ and parts of the circumferential surfaces of the shafts 232 , and may support the shafts 232 to be able to rotate.
  • the ceiling-mounted air conditioner may also include a plurality of shaft brackets 250 , which are disposed on the intake panel 200 .
  • the shaft brackets 250 may surround parts of the circumferential surfaces of the shafts 232 , which extend horizontally or vertically on the intake panel 200 and are capable of rotating, and may support the shafts 232 to be able to rotate.
  • the ceiling-mounted air conditioner may also include a plurality of hook grooves 255 , which are formed through the intake panel 200 .
  • First end portions 250 A of the shaft brackets 250 may be inserted into the hook grooves 255 .
  • Second end portions 250 B of the shaft brackets 250 may be coupled to screw coupling portions 256 formed on the intake panel 200 by coupling elements 260 such as screws.
  • the shaft brackets 250 can be fixed onto the intake panel 200 .
  • shaft brackets 250 support the shafts 232 so as to be able to rotate, portions of the shaft brackets 250 that directly contact the shafts 232 and can thus be supported by the shafts 232 may be configured to be supported by bearings.
  • the shaft driving units 230 ′ and the shaft brackets 250 may be disposed on opposite sides of the shafts 232 and may thus be able to properly support the shafts 232 and allow the shafts 232 to rotate uniformly.
  • the motors 231 When turned on with the use of, for example, a remote control, the motors 231 may rotate. As a result, the connecting elements 233 may rotate, and the shafts 232 may rotate about their rotation axes. Then, the rotation elements 234 may rotate accordingly.
  • the door panel 300 may be able to be lifted up or down and thus to open or shut the air intake 205 of the intake panel 200 .
  • the door panel 300 when lifted up, the door panel 300 may be placed in contact with the bottom of the intake panel 200 . On the other hand, when lifted down, the door panel 300 may open the air intake 205 of the intake panel 200 , and may thus guide indoor air into the main body 10 through the air intake 205 .
  • the ceiling-mounted air conditioner may also include a plurality of moving elements 335 , which are installed on the door panel 300 .
  • the moving elements 335 extend vertically, and may be lifted up or down in accordance with the rotation of the rotation elements 234 .
  • the moving elements 335 may be coupled onto the top surface of the door panel 300 , and may lift up or down the door panel 300 .
  • each of the moving elements 335 and each of the elevation driving units 230 (including a motor 231 , a shaft 232 , a connecting element 233 and a plurality of rotation elements 234 ) will hereinafter be collectively referred to as elevation devices 400 .
  • the ceiling-mounted air conditioner may also include a plurality of elevation guide holes 240 , which are formed through the intake panel 200 so that the moving elements 335 can be lifted up or down through the elevation guide holes 240 .
  • the rotation elements 234 may be pinion gears, which rotate about the axes of their respective shafts 232 , and the moving elements 335 may be rack gears which engage with the pinion gears.
  • a controller (not shown) of the ceiling-mounted air conditioner may drive the air-blowing fan 5 and the heat exchanger 7 .
  • the controller may also drive the motors 231 so that the shafts 232 can rotate in a first direction.
  • the rotation elements 234 may also rotate, and thus, the moving elements 335 , which are in gear engagement with the rotation elements 234 , may be lifted down through the elevation guide holes 240 so that the door panel 300 can be lifted down.
  • the air intake 205 of the intake panel 200 may be opened, and thus, indoor air may be drawn into the main body 10 through the air intake 205 by the air-blowing fan 5 .
  • the indoor air drawn into the main body 10 may be processed by the heat exchanger 7 , and the processed air may be ejected from the main body 100 through the air outlets 110 of the outlet panel 100 .
  • the controller may terminate the operations of the air-blowing fan 5 and the heat exchanger 7 .
  • the controller 180 may drive the motors 231 so that the shafts 232 can rotate in a second direction, which is opposite to the first direction.
  • the rotation elements 234 may also rotate, and thus, the moving elements 335 , which are in gear engagement with the rotation elements 234 , may be lifted up through the elevation guide holes 240 so that the door panel 300 can be lifted up.
  • the door panel 300 may be placed in contact with the bottom of the intake panel 200 , and may shut the air intake 205 of the intake panel 200 . Therefore, the ceiling-mounted air conditioner may appear as if part of the ceiling finishing material 2 , and the exterior appearance of the ceiling-mounted air conditioner may be improved.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air-Flow Control Members (AREA)
US13/141,833 2008-12-23 2009-12-23 Ceiling-mounted air conditioner Abandoned US20120003917A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020080132344A KR101045380B1 (ko) 2008-12-23 2008-12-23 천장형 공기조화기
KR10-2008-0132344 2008-12-23
PCT/KR2009/007699 WO2010074495A2 (ko) 2008-12-23 2009-12-23 천장형 공기조화기

Publications (1)

Publication Number Publication Date
US20120003917A1 true US20120003917A1 (en) 2012-01-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
US13/141,833 Abandoned US20120003917A1 (en) 2008-12-23 2009-12-23 Ceiling-mounted air conditioner

Country Status (6)

Country Link
US (1) US20120003917A1 (de)
EP (1) EP2378214B1 (de)
KR (1) KR101045380B1 (de)
CN (1) CN102265095A (de)
ES (1) ES2784025T3 (de)
WO (1) WO2010074495A2 (de)

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US10047972B2 (en) 2013-10-02 2018-08-14 Lg Electronics Inc. Indoor device for cassette type air conditioner
US20180234224A1 (en) * 2015-12-30 2018-08-16 Telefonaktiebolaget Lm Ericsson (Publ) System, method, and apparatus for selecting downlink control information format
US10197298B2 (en) 2013-10-02 2019-02-05 Lg Electronics Inc. Indoor device for cassette type air conditioner
US10203150B2 (en) 2013-10-11 2019-02-12 Lg Electronics Inc. Indoor device for air conditioner
US10739055B2 (en) 2018-06-29 2020-08-11 Kason Industries, Inc. Cold room combination vent and light
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US10914488B2 (en) 2015-07-17 2021-02-09 Samsung Electronics Co., Ltd. Air conditioner
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KR101312640B1 (ko) 2013-06-14 2013-09-27 엘지전자 주식회사 공기조화기
WO2016051675A1 (ja) * 2014-09-30 2016-04-07 ダイキン工業株式会社 空気調和機の室内ユニット
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KR101881907B1 (ko) 2015-10-23 2018-07-27 삼성전자주식회사 공기 조화기 및 그 제어 방법
KR102067449B1 (ko) * 2015-10-23 2020-01-17 삼성전자주식회사 공기 조화기 및 그 제어 방법
KR102637783B1 (ko) * 2017-02-01 2024-02-19 엘지전자 주식회사 공기조화기
KR102187748B1 (ko) * 2017-12-21 2020-12-07 엘지전자 주식회사 공기조화기의 천장형 실내기
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KR101045380B1 (ko) 2011-06-30
EP2378214A2 (de) 2011-10-19
WO2010074495A2 (ko) 2010-07-01
CN102265095A (zh) 2011-11-30
EP2378214B1 (de) 2020-02-05
WO2010074495A4 (ko) 2011-02-03
ES2784025T3 (es) 2020-09-21
WO2010074495A3 (ko) 2010-10-21
KR20100073627A (ko) 2010-07-01

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