EP3770525A1 - Machine intérieure pour climatiseur - Google Patents

Machine intérieure pour climatiseur Download PDF

Info

Publication number
EP3770525A1
EP3770525A1 EP18911279.0A EP18911279A EP3770525A1 EP 3770525 A1 EP3770525 A1 EP 3770525A1 EP 18911279 A EP18911279 A EP 18911279A EP 3770525 A1 EP3770525 A1 EP 3770525A1
Authority
EP
European Patent Office
Prior art keywords
casing
front panel
indoor unit
air
finger rest
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.)
Pending
Application number
EP18911279.0A
Other languages
German (de)
English (en)
Other versions
EP3770525A4 (fr
Inventor
Shuhei TOMITA
Hironobu SUEHIRO
Koki MORO
Tatsuo Furuta
Naoya Matsunaga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3770525A1 publication Critical patent/EP3770525A1/fr
Publication of EP3770525A4 publication Critical patent/EP3770525A4/fr
Pending legal-status Critical Current

Links

Images

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
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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

Definitions

  • the present disclosure relates to an indoor unit of an air-conditioning apparatus, the indoor unit including a front panel to open and close the front of a casing.
  • a related art indoor unit of an air-conditioning apparatus includes a casing defining the exterior of the indoor unit, and a front panel used for design purposes.
  • the front panel is mounted to the front of the casing in a manner that allows forward pivotal movement of the front panel, and is configured to open and close the front of the casing.
  • the front of the casing has an air inlet to suck indoor air into the casing.
  • a filter is disposed at the air inlet to collect dust in an air-conditioned space.
  • the front panel is pivoted forward to open the front of the casing.
  • an air-conditioning apparatus disclosed in Patent Literature 1 includes a handy-grip recess provided in the boundary area between the front panel and the casing and in which the user places a hand when detaching the front panel from the casing.
  • the handy-grip recess disclosed in Patent Literature 1 is shaped and sized with primary consideration given to the ease of detaching the front panel.
  • Patent Literature 1 Japanese Unexamined Patent Application Publication No. 09-210401
  • Some indoor units have, at their side edge near the front of the casing, an inwardly inclined surface.
  • the presence of the inclined surface gives the indoor unit a sense of depth when the indoor unit is viewed from the front side, thus giving an upscale feel to the user.
  • the indoor unit has a handy-grip recess provided in the inclined surface, the handy-grip recess is very conspicuous when the casing is viewed from the front side, which can compromise aesthetic appearance.
  • the present disclosure has been made to address the above-mentioned problem, and accordingly, it is an object thereof to provide an indoor unit of an air-conditioning apparatus that, even if a finger rest part is provided in an inclined surface located near the front of the casing, allows the finger rest part to serve its function, and ensures that the finger rest part is inconspicuous when the casing is viewed from the front side to thereby achieve an aesthetically improved appearance.
  • An indoor unit of an air-conditioning apparatus includes a casing defining the exterior of the indoor unit, and a front panel mounted to the front of the casing in a manner that allows the front panel to pivot forward, the front panel being configured to open and close the front of the casing.
  • the casing has an inclined surface at a side edge near the front of the casing, the inclined surface facing a side edge of the front panel and being inclined inward.
  • the inclined surface has a finger rest part, the finger rest part being a recess in which a user places a finger to pivot the front panel forward from a closed position, the finger rest part having a trapezoidal shape that gradually narrows from the front side toward the rear side.
  • the recessed finger rest part has a trapezoidal shape that gradually narrows from the front side toward the rear side. Consequently, the wider portion of the trapezoidal finger rest part ensures that the finger rest part can serve its function, and the narrower portion of the trapezoidal finger rest part ensures that the finger rest part can be made as inconspicuous as possible when viewed from the front side, resulting in an aesthetically improved appearance.
  • Fig. 1 is a perspective view of an indoor unit of an air-conditioning apparatus according to Embodiment of the present disclosure.
  • Fig. 2 is a perspective view of the indoor unit of an air-conditioning apparatus according to Embodiment of the present disclosure.
  • Fig. 3 is a side view of the indoor unit of an air-conditioning apparatus according to Embodiment of the present disclosure.
  • Fig. 4 is a perspective view of the indoor unit of an air-conditioning apparatus according to Embodiment of the present disclosure with a front panel open.
  • Fig. 5 is an exploded perspective view of the indoor unit of an air-conditioning apparatus according to Embodiment of the present disclosure.
  • Fig. 6 is a cross-sectional view taken along an arrowed line X-X illustrated in Fig. 2 .
  • Fig. 7 is an enlarged view of a portion Y illustrated in Fig. 1 .
  • Fig. 8 is an enlarged view of the portion Y illustrated in Fig. 1 with the front
  • An indoor unit 100 of an air-conditioning apparatus is connected by a refrigerant pipe to an outdoor unit (not illustrated) installed outdoors to thereby form a refrigeration cycle.
  • the indoor unit 100 is mounted on, for example, the wall of a room to provide air conditioning to an indoor space.
  • the indoor unit 100 includes a casing 1, and a front panel 4.
  • the casing 1 defines the exterior of the indoor unit 100.
  • the front panel 4 is mounted to the front of the casing 1 in a manner that allows the front panel 4 to pivot forward, and configured to open and close the front of the casing 1.
  • the casing 1 includes a rear casing 2, and a front casing 3 that are combined into the form of a substantially cuboid box. As illustrated in Fig. 5 , components such as a heat exchanger 10, a fan (not illustrated), an electrical component box 11, a drain pan (not illustrated), and a filter 12 are accommodated in the casing 1.
  • the rear casing 2 defines the rear side of the casing 1.
  • the outer side of the rear casing 2 is mounted to an installation plate secured on the wall of a room.
  • the heat exchanger 10, the fan, the electrical component box 11, and the drain pan are mounted on the inner side of the rear casing 2.
  • the front casing 3 defines the front of the casing 1.
  • the front casing 3 is mounted to the rear casing 2 by means of a joining component such as a screw.
  • the front surface of the front casing 3 has a front air inlet 30 for incorporating indoor air into the interior space.
  • the top of the front casing 3 has a top air inlet 31 for incorporating indoor air to the interior space.
  • the front air inlet 30 and the top air inlet 31 are covered with the filter 12, which is common to the two air inlets and configured to collect dust present in an air-conditioned space.
  • a lower portion of the front casing 3 is provided with an air outlet 32 that extends laterally.
  • An air direction adjustment plate 13 is provided at the air outlet 32 to adjust the vertical direction of air blown out from the air outlet 32.
  • the front casing 3 has an inclined surface 5 at each of left and right side edges.
  • the inclined surface 5 faces a side edge of the front panel 4, and is inclined inward. The presence of the inclined surface 5 gives the indoor unit 100 a sense of depth when the indoor unit 100 is viewed from the front side, thus giving an upscale feel to the user.
  • the front panel 4 covers the front air inlet 30 provided on the front of the front casing 3.
  • the front panel 4 is mounted, by means of a pivot mechanism part 6, to the front of the front casing 3 in a manner that allows pivotal movement of the front panel 4.
  • the front panel 4 is allowed to pivot from the position illustrated in Fig. 1 in which the front panel 4 closes the front of the front casing 3, to the position illustrated in Fig. 4 in which the front panel 4 opens the front of the front casing 3.
  • the pivot mechanism part 6 includes a pivot 60 disposed in an upper portion of the back of the front panel 4, and a bearing 61 disposed in an upper portion of the front casing 3 to support the pivot 60 in a manner that allows pivotal movement.
  • the pivot 60 is disposed in each widthwise end portion of the front panel 4.
  • the bearing 61 is disposed in each widthwise end portion of the front casing 3 and at a position corresponding to the pivot 60.
  • the pivot 60 is disposed, for example, at the distal end of an arm projecting toward the front casing 3.
  • the front panel 4 is illustrated in the drawings to define a flat surface, the front panel 4 may be a grille with an air vent.
  • the pivot mechanism part 6 may not necessarily have the configuration mentioned above but may be any other form of pivot mechanism part that allows the front panel 4 to be mounted to the front of the casing 1 in a manner that allows pivotal movement of the front panel 4.
  • the casing 1 and the front panel 4 of the indoor unit 100 each have an engaging structure part 7 to allow engagement between the casing 1 and the front panel 4.
  • the engaging structure part 7 is configured to engage the front casing 3 and the front panel 4 with each other when the front panel 4 is in its closed position.
  • the engaging structure part 7 includes a locking protrusion 70, and a locking groove 71.
  • the locking protrusion 70 is provided in a lower portion of the back of the front panel 4.
  • the locking groove 71 is provided in a lower portion of the front casing 3 to receive the locking protrusion 70 fitted into the locking groove 71.
  • the locking protrusion 70 is provided in each widthwise end portion of the front panel 4.
  • the locking groove 71 is provided in each widthwise end portion of the front casing 3 and at a position corresponding to the locking protrusion 70.
  • the engaging structure part 7 may not necessarily have the configuration mentioned above but may be any other form of engaging structure part that, when the front panel 4 is in its closed position, allows the front casing 3 and the front panel 4 to be engaged with and secured to each other.
  • the heat exchanger 10 functions as an evaporator to cool air during cooling operation, and functions as a condenser (radiator) to heat air during heating operation.
  • the heat exchanger 10 is attached to the rear casing 2, and disposed in the air passage from each of the front air inlet 30 and the top air inlet 31 to the air outlet 32 and at a location upstream of the fan.
  • the heat exchanger 10 may preferably be, for example, a plate fin-and-tube heat exchanger that allows heat exchange between refrigerant flowing in the refrigerant pipe and air passing through fins.
  • the fan is configured to suck indoor air through the front air inlet 30 and the top air inlet 31, and blow out conditioned air through the air outlet 32.
  • the fan is attached to the rear casing 2, and disposed in the air passage from each of the front air inlet 30 and the top air inlet 31 to the air outlet 32 and at a location downstream of the heat exchanger 10.
  • the fan may preferably be, for example, a cross-flow fan.
  • the electrical component box 11 accommodates components such as a controller that controls the indoor unit 100.
  • the electrical component box 11 is attached to the rear casing 2.
  • the controller is, for example, a microprocessor unit.
  • the drain pan is disposed below the heat exchanger 10 to receive drain water generated during operation of the indoor unit 100.
  • the engaging structure part 7 is disengaged from its engaged state to allow pivotal movement of the front panel 4 to thereby open the front of the front casing 3.
  • the boundary area between the front panel 4 and the front casing 3 is provided with a finger rest part 50 in the form of a recess in which the user places a finger to disengage the engaging structure part 7.
  • the finger rest part 50 is required for disengaging the engaging structure part 7 to allow pivotal movement of the front panel 4, the finger rest part 50 can, depending on its shape, be very conspicuous and thus compromise the aesthetic appearance of the indoor unit 100.
  • the finger rest part 50 is very conspicuous when viewed from the front side. This significantly deteriorates aesthetic appearance.
  • the inclined surface 5 according to Embodiment is provided with the finger rest part 50, in which the user places a finger to pivot the front panel 4 from a closed position toward an open position, such that the inclined surface 5 has a trapezoidal shape that gradually narrows from the front side toward the rear side.
  • the wider portion of the trapezoidal finger rest part 50 ensures that the finger rest part 50 can fulfil its function
  • the narrower portion of the trapezoidal finger rest part 50 ensures that the finger rest part 50 can be made as inconspicuous as possible when viewed from the front side, resulting in an aesthetically improved appearance.
  • the finger rest part 50 has a depth that allows the user to insert a finger into the finger rest part 50 up to a point about halfway between the fingertip and the first joint. This is because if a user's finger can be inserted up to a point about halfway between the fingertip and the first joint, the finger can be firmly hooked on an edge portion of the front panel 4, thus allowing the user to easily disengage the engaging structure part 7.
  • the finger rest part 50 is positioned adjacent to the engaging structure part 7. This means that the force applied by the user's finger inserted in the finger rest part 50 is directly transmitted to the engaging structure part 7, thus allowing the user to easily disengage the engaging structure part 7. It is to be noted, however, that the finger rest part 50 may be positioned away from the engaging structure part 7 as long as the finger rest part 50 enables disengagement of the engaging structure part 7.
  • the finger rest part 50 is blocked on its side near the inner surface of the casing 1 by the engaging structure part 7. More specifically, the finger rest part 50 is blocked on its inner side by the locking groove 71 of the engaging structure part 7.
  • This configuration of the indoor unit 100 helps to prevent air or dust from entering the casing 1 through the finger rest part 50, thus preventing a failure from occurring due to the entry of air or dust.
  • the present disclosure has been described above with reference to its embodiment, the present disclosure is not limited to the above embodiment.
  • the internal structure of the indoor unit 100 depicted in the drawings is illustrative only and not limited to the specific details described herein but may include other components.
  • the indoor unit 100 may not include the engaging structure part 7.
  • the scope of the present disclosure encompasses all such variations in design and application as will be apparent to those of ordinary skill in the art without departing from the technical ideas of the present disclosure.

Landscapes

  • 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)
EP18911279.0A 2018-03-19 2018-03-19 Machine intérieure pour climatiseur Pending EP3770525A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/010807 WO2019180782A1 (fr) 2018-03-19 2018-03-19 Machine intérieure pour climatiseur

Publications (2)

Publication Number Publication Date
EP3770525A1 true EP3770525A1 (fr) 2021-01-27
EP3770525A4 EP3770525A4 (fr) 2021-04-07

Family

ID=67988390

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18911279.0A Pending EP3770525A4 (fr) 2018-03-19 2018-03-19 Machine intérieure pour climatiseur

Country Status (4)

Country Link
EP (1) EP3770525A4 (fr)
JP (1) JP7112162B2 (fr)
CN (1) CN111837002B (fr)
WO (1) WO2019180782A1 (fr)

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3368717B2 (ja) * 1995-04-27 2003-01-20 株式会社日立製作所 空気調和機
JP3234444B2 (ja) * 1995-04-27 2001-12-04 三洋電機株式会社 空気調和装置
JPH0914688A (ja) * 1995-06-23 1997-01-17 Toshiba Corp 空気調和機
JP3207737B2 (ja) 1996-02-05 2001-09-10 株式会社日立製作所 空気調和機
JPH1163557A (ja) * 1997-08-20 1999-03-05 Fujitsu General Ltd 空気調和機の室内機
JP3358525B2 (ja) * 1998-02-13 2002-12-24 松下電器産業株式会社 一体型空気調和機
JP2000065391A (ja) * 1998-08-25 2000-03-03 Hitachi Ltd 空気調和機
JP2001041561A (ja) * 1999-07-23 2001-02-16 Daikin Ind Ltd 空気調和機
JP3168266B1 (ja) * 1999-12-27 2001-05-21 株式会社日立製作所 空気調和機
JP4501231B2 (ja) * 2000-06-06 2010-07-14 株式会社富士通ゼネラル 空気調和機
JP2002250537A (ja) * 2002-02-26 2002-09-06 Hitachi Ltd 空気調和機
CN101556065B (zh) * 2004-07-14 2011-01-26 大金工业株式会社 空调机的室内机
JP2006038104A (ja) * 2004-07-27 2006-02-09 Sanyo Electric Co Ltd 機器の運搬用取っ手装置
JP3821144B2 (ja) * 2004-08-25 2006-09-13 ダイキン工業株式会社 床置き型空気調和機
JP4887834B2 (ja) * 2006-02-27 2012-02-29 株式会社富士通ゼネラル 空気調和機
US8677287B2 (en) * 2008-12-04 2014-03-18 Mitsubishi Electric Corporation Display input device and navigation device
JP5220068B2 (ja) * 2010-08-04 2013-06-26 三菱電機株式会社 空気調和機の室内機、及び空気調和機
JP5527242B2 (ja) * 2011-02-09 2014-06-18 三菱電機株式会社 空気調和機の室内機
JP5510383B2 (ja) * 2011-04-19 2014-06-04 三菱電機株式会社 ヒートポンプ装置の熱源機、空気調和機の室外機
JP5803725B2 (ja) * 2012-02-15 2015-11-04 三菱電機株式会社 空気調和機の室内機
JP5855517B2 (ja) * 2012-04-16 2016-02-09 佐伯　午郎 指向制御板の取付部
JP5741545B2 (ja) * 2012-09-28 2015-07-01 ダイキン工業株式会社 空調室内機
JP6164013B2 (ja) * 2013-09-30 2017-07-19 株式会社富士通ゼネラル 空気調和機
JP2015098998A (ja) * 2013-11-20 2015-05-28 株式会社コロナ 除湿機
AU2014355402B2 (en) * 2013-11-26 2017-07-06 Daikin Industries, Ltd. Indoor unit
JP6385172B2 (ja) * 2014-07-14 2018-09-05 三菱電機株式会社 空気調和機の室内機
JP6365080B2 (ja) * 2014-08-01 2018-08-01 三菱電機株式会社 空気調和機の室内機
JP2017067314A (ja) * 2015-09-28 2017-04-06 株式会社富士通ゼネラル 空気調和機の室内機
JP2017133738A (ja) * 2016-01-27 2017-08-03 株式会社富士通ゼネラル 空気調和機の室内機
CN205619529U (zh) * 2016-05-03 2016-10-05 广东志高暖通设备股份有限公司 一种用于穿墙空调机的前面板及穿墙空调机
CN105865000A (zh) * 2016-05-03 2016-08-17 广东志高暖通设备股份有限公司 一种用于穿墙空调机的前面板及穿墙空调机

Also Published As

Publication number Publication date
JP7112162B2 (ja) 2022-08-03
CN111837002A (zh) 2020-10-27
EP3770525A4 (fr) 2021-04-07
JPWO2019180782A1 (ja) 2020-12-10
CN111837002B (zh) 2022-07-08
WO2019180782A1 (fr) 2019-09-26

Similar Documents

Publication Publication Date Title
US10670298B2 (en) Air conditioner
CN106152271B (zh) 厨房空调器
EP2725306A2 (fr) Climatiseur
JPWO2018083791A1 (ja) 天井埋込形空気調和機
EP3128242B1 (fr) Climatiseur
JP6727411B2 (ja) 空気調和機の室内機
JP2016038174A (ja) 空気調和機の室内機
EP3770525A1 (fr) Machine intérieure pour climatiseur
KR20060119614A (ko) 공기조화기
US10436473B2 (en) Air conditioning indoor unit
KR20100051957A (ko) 공기 조화기의 실내기
KR101542773B1 (ko) 공기조화기
EP3604938B1 (fr) Unité intérieure de suspension de climatisation et climatiseur comportant celle-ci
KR20110027508A (ko) 공기 조화기의 실내기
KR20150120218A (ko) 공기조화기의 실내기
CN210179850U (zh) 一种双进风口风幕机
WO2018179470A1 (fr) Conditionneur d'air
EP1970638A1 (fr) Climatiseur
CN204717846U (zh) 空调室内机
CN216143824U (zh) 空调室内机及空调器
JP6225721B2 (ja) 空気調和機
CN216204236U (zh) 空调装置室内机
KR20090022102A (ko) 공기조화기
CN215675490U (zh) 出风装置及具有其的空气调节设备
CN211345539U (zh) 空调器

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20200827

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20210310

RIC1 Information provided on ipc code assigned before grant

Ipc: F24F 13/20 20060101AFI20210303BHEP

Ipc: F24F 1/0057 20190101ALI20210303BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20230525