EP3988857B1 - Indoor unit for air conditioners - Google Patents

Indoor unit for air conditioners Download PDF

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Publication number
EP3988857B1
EP3988857B1 EP19933348.5A EP19933348A EP3988857B1 EP 3988857 B1 EP3988857 B1 EP 3988857B1 EP 19933348 A EP19933348 A EP 19933348A EP 3988857 B1 EP3988857 B1 EP 3988857B1
Authority
EP
European Patent Office
Prior art keywords
section
indoor unit
installation plate
linear
indoor
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.)
Active
Application number
EP19933348.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3988857A1 (en
EP3988857A4 (en
Inventor
Tetsuro Ozawa
Kenji Kamata
Tatsumi Hasegawa
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.)
Carrier Japan Corp
Original Assignee
Carrier Japan 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 Carrier Japan Corp filed Critical Carrier Japan Corp
Publication of EP3988857A1 publication Critical patent/EP3988857A1/en
Publication of EP3988857A4 publication Critical patent/EP3988857A4/en
Application granted granted Critical
Publication of EP3988857B1 publication Critical patent/EP3988857B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/17—Details or features not otherwise provided for mounted in a wall

Definitions

  • An embodiment of the present invention relate to an indoor unit apparatus for air conditioners.
  • an indoor unit apparatus for air conditioners is configured such that an indoor unit constituting a main body section of the indoor unit is attached to an installation plate fixed to an indoor wall surface.
  • a lower side of the installation plate includes a linear section projecting on an indoor side and linearly extending in the horizontal direction. Also, it is possible to curb deformation of a lower surface of a cover section and wave-like distortion and to improve an appearance by attaching the indoor unit to the linear section such that a lower surface of the cover section follows the linear section.
  • Patent Literature 1 a configuration in which the cover section of the indoor unit is in contact with the linear section of the installation plate only from the lower side is employed. Therefore, in a case in which an upward force acts on the cover section of the indoor unit, it is possible to curb the force with the linear section. It is thus possible to sufficiently curb deformation of the lower surface of the cover section and wave-like distortion.
  • a downward force acts on the cover section of the indoor unit due to influences of piping or the like accommodated in a lower portion of a rear portion of the indoor unit, for example, it is not possible to curb the force with the linear section. Therefore, it is not possible to sufficiently curb deformation of the lower surface of the cover section and wave-like distortion.
  • an indoor unit apparatus for air conditioners capable of curbing deformation and distortion and improving appearance is provided, not only in a case in which an upward force acts on the indoor unit but also in a case in which a downward force acts on the indoor unit.
  • An indoor unit apparatus for air conditioners includes: an installation plate that is fixed to an indoor wall surface; and an indoor unit that is attached to the installation plate, the installation plate includes a linear section projecting on an indoor side and linearly extending in a horizontal direction.
  • the indoor unit includes clamping sections that clamp the linear section in a vertical direction, a unit main body section that is secured to the installation plate, and a unit cover section that covers a surface of the unit main body section on the indoor side.
  • the clamping section includes a first clamping section that is provided at the unit main body section, and a second clamping section that is provided at the unit cover section. The first clamping section and the second clamping section face each other in the vertical direction.
  • the indoor unit comprises a clamped state maintaining section that maintains a state in which the linear section is clamped with the first clamping section and the second clamping section in the vertical direction, by inserting a claw portion provided on the unit cover section into a claw hole portion provided on the unit main body section.
  • An indoor unit apparatus 10 for air conditioners illustrated as an example in Figure 1 constitutes an air conditioner along with an outdoor unit, which is provided outdoors and is not illustrated in the drawing, and includes an installation plate 100 and an indoor unit 200.
  • the installation plate 100 is made of metal and is strongly fixed to an indoor wall surface with bolts, for example.
  • the indoor unit 200 is attached to a front surface side, in other words, an indoor side of the installation plate 100 fixed to the indoor wall surface with screws and bolts, for example.
  • the indoor unit 200 includes a unit main body section 201 and a unit cover section 202.
  • the unit main body section 201 constitutes a main body section of the indoor unit 200 and is fixed directly to the front surface side of the installation plate 100 with screws and bolts, for example.
  • the unit cover section 202 is configured as a cover section with substantially a box shape covering surfaces on the indoor side of the unit main body section 201 fixed to the front surface side of the installation plate 100, in this case, a front surface, an upper surface, a lower surface, a left side surface, and a right side surface.
  • An air inlet port 203 is provided at an upper portion of the indoor unit 200, and an air outlet port 204 is provided at a lower portion of the indoor unit 200. Also, a blowing passage 205 is provided from the air inlet port 203 to the air outlet port 204 inside the indoor unit 200.
  • An air filter 206, a heat exchanger 207, a cross flow fan 208, a louver 209, and the like are provided from an upstream side, which corresponds to the side of the air inlet port 203, toward a downstream side, which corresponds to the side of the air outlet port 204, inside the blowing passage 205.
  • the air filter 206 captures foreign matters included in air suctioned from the air inlet port 203.
  • the heat exchanger 207 performs heat exchange with the air suctioned from the air inlet port 203 and heats or cools the air.
  • the cross flow fan 208 suctions indoor air from the air inlet port 203 and forms a flow of the air blown out from the air outlet port 204 to the indoor space through the blowing passage 205.
  • the louver 209 adjusts a direction of the air blown out from the air outlet port 204.
  • the installation plate 100 has an elongated substantially rectangular plate shape.
  • the installation plate 100 has a shape with a longer dimension in the left-right direction than the dimension in the vertical direction in a state in which the installation plate 100 is fixed to the indoor wall surface.
  • Notch portions 101 into which piping and the like can be inserted are provided at lower portions of both left and right end portions of the installation plate 100.
  • a linear section 102 is provided at a lower portion of the installation plate 100 at a position between the notch portions 101 on both the left and right ends.
  • the linear section 102 includes a plurality of, in this case, two sub-linear sections 102A and 102B.
  • Both the sub-linear sections 102A and 102B have shapes projecting on the indoor side and linear extending in the horizontal direction, that is, the left-right direction. Also, the sub-linear sections 102A and 102B have shapes folded to be gradually inclined downward from the lower side of the installation plate 100 toward the indoor side. Moreover, distal end portions of the sub-linear sections 102A and 102B have shapes folded back from the upper side toward the rear side.
  • a length LA of the sub-linear section 102A and a length LB of the sub-linear section 102B are different lengths, and in this case, the length LA of the sub-linear section 102A is shorter than the length LB of the sub-linear section 102B.
  • the length LA of the sub-linear section 102A and the length LB of the sub-linear section 102B may be the same length.
  • a total length of the length LA of the sub-linear section 102A and the length LB of the sub-linear section 102B is preferably configured to secure at least a length that is at least 30% or more of the entire length of the installation plate 100 in the left-right direction or the entire length of the indoor unit apparatus 10 in the left-right direction.
  • the entire sub-linear section 102A is located on the left side beyond a center line CL of the installation plate 100 when seen from the front side, which is the indoor side.
  • the sub-linear section 102B is located with the left end side thereof located on the left side beyond the center line CL of the installation plate 100 and with the center portion and the right end side thereof except for the left end side located on the right side beyond the center line CL of the installation plate 100 when seen from the front side, which is the indoor side. Therefore, the installation plate 100 is configured to include at least a part of the linear section 102 at the center portion thereof in the left-right direction, in this case, the left end part of the sub-linear section 102B.
  • the installation plate 100 is configured to include the entire sub-linear section 102A and a part of the sub-linear section 102B on the left side beyond the center portion in the left-right direction and include the other portions of the sub-linear section 102B on the right side beyond the center portion in the left-right direction.
  • the installation plate 100 includes a plurality of, in this case, two through-hole portions 103A and 103B. Both the through-hole portions 103A and 103B have elongated substantially oval shapes extending in a longitudinal direction of the installation plate 100. Also, the length of the through-hole portion 103A in the left-right direction is shorter than the length of the through-hole portion 103B in the left-right direction. Note that the length of the through-hole portion 103A in the left-right direction and the length of the through-hole portion 103B in the left-right direction may be the same length. Moreover, the length of the through-hole portion 103A in the vertical direction and the length of the through-hole portion 103B in the vertical direction are the same length. Note that the length of the through-hole portion 103A in the vertical direction and the length of the through-hole portion 103B in the vertical direction may be different lengths.
  • an opening area of the through-hole portion 103A is smaller than an opening area of the through-hole portion 103B.
  • the opening area of the through-hole portion 103A and the opening area of the through-hole portion 103B may be the same.
  • the through-hole portion 103A is located above the sub-linear section 102A.
  • the center portion of the through-hole portion 103A in the left-right direction substantially or completely conforms to the center portion of the sub-linear section 102A in the left-right direction.
  • the through-hole portion 103B is located above the sub-linear section 102B.
  • the center portion of the through-hole portion 103B deviates from the center portion of the sub-linear section 102B on the left side by a predetermined amount, and the left end portion of the through-hole portion 103A is located on the left side beyond the left end portion of the sub-linear section 102B. Note that this can be implemented with the amount of deviation between the center portion of the through-hole portion 103B and the center portion of the sub-linear section 102B appropriately changed.
  • the installation plate 100 includes a plurality of, in this case, three screw-fastening sections 104A, 104B, and 104C.
  • the screw-fastening sections 104A, 104B, and 104C are configured such that distal end portions thereof are folded downward and the folded distal end portions include screw holes.
  • the unit main body section 201 constituting the main body section of the indoor unit 200 is strongly fixed with screws, which are not illustrated, via the screw-fastening sections 104A, 104B, and 104C.
  • the screw-fastening sections 104A, 104B, and 104C are disposed as follows, for example, at lower portions of the installation plate 100.
  • the screw-fastening sections 104A and 104B are separately included at both end portions of the sub-linear section 102A in the left-right direction.
  • the screw-fastening sections 104B and 104C are separately included at both end portions of the sub-linear section 102B in the left-right direction.
  • the screw-fastening sections 104A and 104C are separately included at both end portions of the linear section 102 in the left-right direction when the entire linear section 102 is seen.
  • the screw-fastening section 104B is included to be located at an intermediate portion of the linear section 102 in the left-right direction, in this case, between the sub-linear section 102A and the sub-linear section 102B.
  • the screw-fastening section 104B may be included at the center portion of the linear section 102 in the left-right direction, or may be included on the left side or the right side beyond the center portion of the linear section 102 in the left-right direction, for example, as long as the screw-fastening section 104B is included at an intermediate portion of the linear section 102 in the left-right direction.
  • the installation plate 100 includes a plurality of, in this case, four narrowed portions 105A, 105B, 105C, and 105D.
  • the narrowed portions 105A, 105B, 105C, and 105D are disposed as follows, for example, at lower portions of the installation plate 100.
  • the narrowed portions 105A and 105B are separately included at both end portions of the sub-linear section 102A in the left-right direction.
  • the narrowed portions 105C and 105D are separately included at both end portions of the sub-linear section 102B in the left-right direction.
  • the screw-fastening section 104A is included on the left side, which is an outer side beyond the narrowed portion 105A.
  • the screw-fastening section 104B is included to be located between the narrowed portion 105B and the narrowed portion 105C. Also, the screw-fastening section 104C is included on the right side, which is an outer side beyond the narrowed portion 105D.
  • each clamping section 300 forms a structure for clamping the linear section 102 of the installation plate 100 in the vertical direction, and in this case, each clamping section 300 includes an upper clamping section 301 and a lower clamping section 302.
  • the plurality of clamping sections 300 are included at lower portions of the rear portion of the indoor unit 200 along the indoor unit 200 in the left-right direction. Note that this can be implemented with the number of clamping sections 300 appropriately changed. Also, this can be implemented with intervals of the plurality of clamping sections 300 appropriately changed.
  • the upper clamping section 301 is an example of the first clamping section, and in this case, the upper clamping section 301 is provided to project downward at a lower portion of a rear portion of the unit main body section 201.
  • the upper clamping section 301 is provided integrally with a rear portion of a member of the unit main body section 201 of the indoor unit 200 constituting a rear wall surface of the air outlet port 204.
  • an inclined portion 301a that is linearly inclined to be gradually elevated from the front side toward the rear side is provided at a lower portion of the rear portion of the upper clamping section 301.
  • the inclined portion 301a is not limited to the linear shape and may be inclined in a curved shape, for example.
  • the lower clamping section 302 is an example of the second clamping section, and in this case, a rear end portion of a lower surface of the unit cover section 202 functions as the lower clamping section 302. Both the upper surface and the lower surface of the lower clamping section 302 are substantially horizontal planes.
  • the upper clamping section 301 and the lower clamping section 302 face each other in the vertical direction. Also, a clearance is formed by the inclined portion 301a provided between the upper clamping section 301 and the lower clamping section 302. Also, in a state in which the indoor unit 200 is attached to the installation plate 100 on the front side, the linear section 102 of the installation plate 100 is pinched between the upper clamping section 301 and the lower clamping section 302. In other words, the linear section 102 of the installation plate 100 is brought into a state in which it is pinched by the clamping section 300 of the indoor unit 200 in the vertical direction.
  • the indoor unit 200 further includes clamped state maintaining sections 400.
  • each clamped state maintaining section 400 is included on the front side beyond the clamping section 300 in this case.
  • the plurality of clamped state maintaining sections 400 are included at lower portions of the rear portion of the indoor unit 200 along the indoor unit 200 in the left-right direction. Note that this can be implemented with the number of clamped state maintaining sections 400 appropriately changed in accordance with the number of clamping sections 300, for example. Also, this can be implemented with intervals of the plurality of clamped state maintaining sections 400 appropriately changed in accordance with the intervals of the plurality of clamping sections 300, for example.
  • the clamped state maintaining sections 400 are preferably provided in the vicinity of the clamping sections 300. Also, the number and the intervals of the clamped state maintaining sections 400 may be the same as or different from the number and the intervals of the clamping sections 300.
  • Each clamped state maintaining section 400 includes a claw hole portion 401 provided on the side of the unit main body section 201 and a claw portion 402 provided on the side of the unit cover section 202.
  • the claw hole portion 401 is provided integrally with the rear portion of the member of the unit main body section 201 of the indoor unit 200 constituting the rear wall surface of the air outlet port 204.
  • the claw hole portion 401 is a rectangular hole portion opened on the front side in the front-back direction.
  • the claw portion 402 is provided integrally with an upper surface of the rear end portion of the lower surface of the unit cover section 202.
  • the claw portion 402 is a claw portion linear extending on the rear side in the front-back direction.
  • the claw portion 402 is inserted into the claw hole portion 401 from the front side toward the rear side.
  • the rear end portion of the lower surface of the unit cover section 202 that is, a part where the lower clamping section 302 is provided is strongly fixed to the lower portion of the rear portion of the unit main body section 201, that is, a part where the upper clamping section 301 is provided.
  • the indoor unit 200 is configured to clamp the linear section 102 of the installation plate 100 with the upper clamping section 301 and the lower clamping section 302 of the clamping section 300 in the vertical direction. With this configuration, it is possible to suppress an upward force with the linear section 102 by the lower clamping section 302 abutting on the lower surface of the linear section 102 in a case in which the upward force acts on the indoor unit 200. On the other hand, in a case in which a downward force acts on the indoor unit 200, it is possible to suppress the downward force with the linear section 102 by the upper clamping section 301 abutting on the upper surface of the linear section 102. Therefore, it is possible to sufficiently curb deformation and distortion of the lower surface of the unit cover section 202 and to improve an appearance not only in a case in which the upward force acts on the indoor unit 200 but also in a case in which the downward force acts on the indoor unit 200.
  • the linear section 102 is included at least at the center portion of the installation plate 100 in the left-right direction.
  • the linear sections 102 are further included both on the left side and on the right side of the center portion of the installation plate 100 in the left-right direction.
  • the installation plate 100 includes, in a dispersed manner, the narrowed portions 105A, 105B, 105C, and 105D at the end portions of the linear section 102 in the left-right direction.
  • the clamped state maintaining section 400 that maintains the state in which the linear section 102 is clamped with the upper clamping section 301 and the lower clamping section 302 in the vertical direction is included. With this configuration, it is possible to stably maintain the state in which the linear section 102 of the installation plate 100 is clamped with the clamping section 300 in the vertical direction and to further effectively curb occurrence of deformation and distortion of the appearance of the indoor unit 200.
  • the indoor unit 200 may be configured not to include the linear section 102 at the center portion of the installation plate 100 in the left-right direction.
  • the linear section 102 may be configured to be included on any one side of the left part and the right part of the center portion of the installation plate 100 in the left-right direction.
  • the number of screw-fastening sections is not limited to three and may be one, two, or another plural number like four or more. Also, the numbers of screw-fastening sections may be the same or different on the left side and the right side of the installation plate 100. Moreover, the plurality of screw-fastening sections may have mutually the same shape and the same size or may have different shapes and different sizes.
  • the number of narrowed portions is not limited to four and may be one, two, three, or another plural number like five or more.
  • the numbers of narrowed portions may be the same or different at the left part and the right part of the center portion of the installation plate 100 in the left-right direction.
  • the plurality of narrowed portions may have mutually the same shape and the same size or may have different shapes and different sizes.
  • the narrowed portions may be provided at both end portions of the linear section 102 in the left-right direction or may be provided only on one end side.
  • the clamped state maintaining section 400 may be configured such that the claw hole portion 401 is provided on the side of the unit cover section 202 and the claw portion 402 is provided on the side of the unit main body section 201.
  • the clamped state maintaining section is not limited to the configuration including the claw hole portion 401 and the claw portion 402, and it is possible to apply various configurations as long as the configurations enable the state in which the linear section 102 is clamped with the upper clamping section 301 and the lower clamping section 302 in the vertical direction to be maintained, such as pins and pin holes, for example.

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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)
EP19933348.5A 2019-06-21 2019-06-21 Indoor unit for air conditioners Active EP3988857B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/024733 WO2020255380A1 (ja) 2019-06-21 2019-06-21 空気調和機の室内機

Publications (3)

Publication Number Publication Date
EP3988857A1 EP3988857A1 (en) 2022-04-27
EP3988857A4 EP3988857A4 (en) 2023-01-11
EP3988857B1 true EP3988857B1 (en) 2025-03-26

Family

ID=74040287

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19933348.5A Active EP3988857B1 (en) 2019-06-21 2019-06-21 Indoor unit for air conditioners

Country Status (4)

Country Link
EP (1) EP3988857B1 (enrdf_load_stackoverflow)
JP (1) JP7209087B2 (enrdf_load_stackoverflow)
CN (1) CN114008390B (enrdf_load_stackoverflow)
WO (1) WO2020255380A1 (enrdf_load_stackoverflow)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6118342Y2 (enrdf_load_stackoverflow) * 1980-03-04 1986-06-04
JPS6118431U (ja) * 1984-07-09 1986-02-03 株式会社東芝 空気調和機の室内ユニツト据付構造
JPH05312349A (ja) * 1992-05-12 1993-11-22 Mitsubishi Electric Corp 空気調和機の据付装置
JP3071353B2 (ja) * 1994-01-18 2000-07-31 東芝キヤリア株式会社 空気調和機の室内ユニット
JPH09324927A (ja) * 1996-06-06 1997-12-16 Fujitsu General Ltd 空気調和機の据付装置
JP3122715B2 (ja) * 1996-11-13 2001-01-09 東芝キヤリア株式会社 空気調和機の室内ユニット
JP3879432B2 (ja) * 2000-04-24 2007-02-14 松下電器産業株式会社 空気調和機の据付装置
DE202004015275U1 (de) * 2004-09-17 2005-05-04 Hdm Gmbh Paneel, insbesondere Fußbodenpaneel
JP5264680B2 (ja) * 2009-11-12 2013-08-14 三菱電機株式会社 室内機並びに空気調和機
CN203364249U (zh) * 2013-01-27 2013-12-25 宁波奥克斯空调有限公司 壁挂式空调室内机壳体机构
CN208846713U (zh) * 2017-04-04 2019-05-10 三菱电机株式会社 空调机的室内机

Also Published As

Publication number Publication date
EP3988857A1 (en) 2022-04-27
CN114008390B (zh) 2023-04-28
CN114008390A (zh) 2022-02-01
EP3988857A4 (en) 2023-01-11
JP7209087B2 (ja) 2023-01-19
JPWO2020255380A1 (enrdf_load_stackoverflow) 2020-12-24
WO2020255380A1 (ja) 2020-12-24

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