EP1780473B1 - Climatisation - Google Patents
Climatisation Download PDFInfo
- Publication number
- EP1780473B1 EP1780473B1 EP05765080A EP05765080A EP1780473B1 EP 1780473 B1 EP1780473 B1 EP 1780473B1 EP 05765080 A EP05765080 A EP 05765080A EP 05765080 A EP05765080 A EP 05765080A EP 1780473 B1 EP1780473 B1 EP 1780473B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- disposed
- air conditioner
- space
- water
- 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.)
- Not-in-force
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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
- F24F1/0059—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
- 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
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
Definitions
- the present invention relates to an air conditioner disposed with a heat exchanger connected to a refrigerant pipe.
- JP-A No. 11-304177 a floor-placed air conditioner indoor unit disposed with a fan and a heat exchanger inside is disclosed.
- the heat exchanger is disposed such that it cuts across a flow of air formed by the fan at the rear side of a front panel, and is attached inside in a state where it is slanted downward from the front side toward the deep side. Additionally, a flow of air is formed when the fan begins running, and heat exchange is performed between the air passing through the heat exchanger and refrigerant flowing through the heat exchanger.
- the air conditioner indoor unit can provide air-conditioned air to the inside of the room.
- US 2 266 259 A , US 5 373 894 A , GB 618 620 A , FR 1 364 216 A , DE 16 79 537 A1 and US 4 733 542 A relate to air conditioner units, wherein US 2 266 259 A discloses the preamble of claim 1.
- the heat exchanger can be exposed when the front panel is removed.
- the refrigerant pipe connected to the side surface of the heat exchanger has a small diameter and its structure is complex, dirt easily accumulates and it is difficult to clean the refrigerant pipe.
- the water when water is applied to try to clean the heat exchanger, the water also becomes applied to electrical parts and the like disposed on the side of the heat exchanger, and there is the potential for drawbacks such as insulation failure to occur. For this reason, the heat exchanger cannot be cleaned with water even when the heat exchanger is dirty. Thus, it is difficult to say that the heat exchanger can always be kept clean.
- the space on the upstream side of the heat exchanger and the space where the refrigerant pipe is disposed are partitioned from each other by the partition member.
- the partition member is disposed so as to partition the space on the upstream side of the heat exchanger in the flow of the air formed by the fan unit from the space where wiring, pipes, and electrical parts are installed.
- the partition member is disposed so as to partition, in addition to the space where the refrigerant pipe is disposed, the space on the upstream side of the heat exchanger from the space where electrical parts are installed.
- An air conditioner pertaining to the invention comprises a casing that houses inside the fan unit, the heat exchanger, and the partition member. Additionally, the casing includes an open panel that allows the space on the upstream side of the heat exchanger in the flow of the air formed by the fan unit to be exposed for performing maintenance of the heat exchanger
- the casing that houses inside the fan unit, the heat exchanger, and the partition member includes an open panel for performing maintenance of the heat exchanger.
- the heat exchanger can be easily cleaned by opening the open panel and applying water to the heat exchanger.
- the partition member is disposed in the vicinity of a fin disposed on an end portion of plural fins disposed on the surface of the heat exchanger.
- the partition member is disposed in the vicinity of a fin disposed on an end portion of plural fins that the heat exchanger includes.
- An air conditioner pertaining to an embodiment comprises the air conditioner of the fourth invention, wherein the partition member is disposed in the vicinities of fins disposed on both ends of plural fins disposed on the surface of the heat exchanger.
- the partition member is disposed in the vicinities of fins disposed on both ends of the heat exchanger.
- the space where the refrigerant pipe and electrical wiring connected to the side surface of the heat exchanger are installed and the space on the upstream side of the heat exchanger can be reliably partitioned from each other, and occurrences of drawbacks can be avoided even when the heat exchanger is cleaned with water.
- An air conditioner pertaining to an embodiment comprises the air conditioner of any one of the first to fifth inventions, further comprising a drain pan that is disposed below the heat exchanger and receives drain water generated in the heat exchanger.
- a drain pan is disposed below the heat exchanger.
- the heat exchanger which is particularly easy to become dirty, and the drain pan can be easily cleaned by cleaning them with water.
- the air conditioner pertaining to the invention it becomes possible to keep the refrigerant pipe, whose structure is complex and which is difficult to clean, from becoming dirty.
- the heat exchanger can be easily cleaned by opening the open panel and applying water to the heat exchanger.
- occurrences of drawbacks resulting from the refrigerant pipe and the like becoming wet with water can be avoided even when the heat exchanger is cleaned by applying water to the heat exchanger.
- the space where the refrigerant pipe and electrical wiring connected to the side of the heat exchanger are installed and the space on the upstream side of the heat exchanger can be reliably partitioned from each other, and occurrences of drawbacks can be avoided even when the heat exchanger is cleaned with water.
- the heat exchanger which is particularly easy to become dirty, and the drain pan can be easily cleaned by cleaning them with water.
- An air conditioner pertaining to an embodiment of the present invention is as follows when described using FIG. 1 to FIG. 5 .
- the air conditioner pertaining to the embodiment of the present invention is an air conditioner indoor unit (air conditioner) 50 that is placed on a floor, and is disposed with a rectangular parallelepiped casing 1, a heat exchanger 2 disposed such that it cuts across an air path inside the casing 1, and a fan 3 disposed above the heat exchanger 2.
- air conditioner air conditioner indoor unit
- the air conditioner indoor unit 50 is connected via a refrigerant pipe (reference numeral 40, etc., in FIG. 3 ) to an unillustrated air conditioner outdoor unit disposed outdoors, and a compressor and the like that configure a refrigerant circuit are housed in the air conditioner outdoor unit.
- a refrigerant pipe reference numeral 40, etc., in FIG. 3
- the casing 1 is configured by a pair of side plates 4 and 4, a front plate 5 that is attached between the front ends of the side plates 4 and 4, a rear plate 6 that is attached between the rear ends of the side plates 4 and 4, a top plate 7, and a bottom plate 8. Further, glass wool covered by an aluminum sheet is installed as a heat insulator on the inner surfaces of the side plates 4 and 4, the rear plate 6, and a later-described maintenance panel (open panel) 10.
- the inside of the air conditioner indoor unit 50 can be easily cleaned by a method such as spraying the inside with water and then wiping the water off with a cloth because the heat insulator absorbs virtually no water and has excellent resistance to abrasion.
- the heat exchanger 2 is disposed at the rear side of the later-described maintenance panel 10 such that the heat exchanger 2 cuts across the flow of air formed by the fan 3. Further, the heat exchanger 2 is attached inside the casing 1 in a state where the heat exchanger 2 is slanted downward toward the deep side from the front side of an opening that appears when the maintenance panel 10 is removed.
- a lower frame 13 for supporting the heat exchanger 2 is locked to lock portions 15 and 15 formed on both rear ends of the side plates 4 and 4.
- An upper frame 14 is fixed by screws in a state where it has been locked to an attachment plate 16 formed in the vicinity of both front end edges of the side plates 4 and 4.
- the heat exchanger 2 includes, at both its left and right end portions, partition plates (partition members) 30a and 30b disposed so as to partition a space A on an upstream side of the heat exchanger 2 in the air path formed by the fan 3 (this will be referred to simply as the upstream side of the heat exchanger 2 below) from a later-described refrigerant pipe/electrical wiring installation space B and a refrigerant pipe installation space C (see FIG 4(b) ).
- the partition plates 30a and 30b will be described in detail at a later stage.
- the fan 3 is attached to the upper portion of the air conditioner indoor unit 50 and includes a scroll-type fan casing 17, a fan motor 18, a belt 19, a pulley 21 (drive unit), and an unillustrated fan rotor (sirocco fan).
- the fan casing 17 includes discharge openings 17a, which discharge air in the direction of the top plate 7 (a duct 12), and intake openings 17b, which take in air from both sides in the direction of a rotating shaft 20a of the fan rotor. Additionally, the fan 3 transmits the rotational drive force of the fan motor 18 to the rotating shaft 20a via the pulley 21 and the belt 19, causes the fan rotor housed in the fan casing 17 to rotate, and discharges from the discharge openings 17a the air taken in from the intake openings 17b.
- the pair of side plates 4 form an outer enclosure at the sides of the air conditioner indoor unit 50 and support the fan motor 18 and the rotating shaft 20a of the fan 3 from both sides. Further, the side plates 4 include the lock portions 15 that are formed as a result of the rear end portion edges of the side plates 4 being cut inward.
- An air inlet 9 is formed in the middle portion, with respect to the vertical direction, of the front plate 5, and the maintenance panel 10, whose lower end portion serves as a pivot center, is disposed such that it covers the air inlet 9 and may be freely opened and closed.
- the maintenance panel 10 is opened when performing maintenance and the like such as cleaning the heat exchanger 2.
- the rear plate 6 ordinarily forms an outer enclosure at the side disposed near a wall when the air conditioner indoor unit 50 is installed.
- An air outlet 11 is formed in the top plate 7.
- the air outlet 11 is connected to a duct 12 that guides the air-conditioned air such that the air is blown out from a desired place.
- An unillustrated electromagnetic valve attached to a refrigerant pipe 40 connected to the heat exchanger, various electrical parts, and a lower drain pan are placed on the bottom plate 8 between the bottom plate 8 and a middle plate 31 that forms the space A on the upstream side of the heat exchanger 2.
- a drain pan 22 for collecting drain water falling down from the heat exchanger 2 is disposed below the heat exchanger 2 with a slanted orientation such that the front side of the drain pan 22 is positioned high and such that the rear side of the drain pan 22 is positioned low.
- the air conditioner indoor unit 50 is disposed with a drain guide pipe 23, which guides the drain water from the lower end portion of the heat exchanger 2 to the drain pan 22, and a drain discharge opening 24, through which the drain water is discharged to the outdoors.
- the partition plate 30a is disposed such that it partitions the space A on the upstream side of the heat exchanger 2 inside the casing 1 from the refrigerant pipe/electrical wiring installation space B where a refrigerant pipe 2a on the side surface of the heat exchanger 2 and where the refrigerant pipe 40 and an electrical wiring through pipe 41 that penetrate a later-described refrigerant pipe/electrical wiring through portion 32 are installed. Additionally, the partition plate 30a is disposed upright from the middle plate 31 toward the vicinity of an endmost fin of plural fins F attached to the surface of the heat exchanger 2.
- the partition plate 30b is disposed parallel to the partition plate 30a and upright from the middle plate 31 toward the vicinity of an end portion (end portion opposite from the partition plate 30a) of the fins F attached to the surface of the heat exchanger 2, such that the partition plate 30b partitions the space A on the upstream side of the heat exchanger 2 from the space C where the refrigerant pipe 2a exposed at the side surface of the heat exchanger 2 is disposed (this space will be called the refrigerant pipe installation space C below).
- the partition plates 30a and 30b are fixed with respect to the middle plate 31 using fixing members 33 and are fixed by screws with respect to the heat exchanger 2 using fixing members 34.
- the fixing members 33 and 34 are L-shaped members, and plural screw holes are formed therein. Additionally, the partition members 30a, 30b are fixed with respect to the middle plate 31 and the heat exchanger 2 by screwing screws into these screw holes. Further, the fixing member 33 that fixes the partition member 30a disposed on the right when seen from the maintenance panel 10 is attached in an L-shaped state, and the fixing member 33 that fixes the partition member 30b disposed on the left side is attached in an inverted L-shaped state.
- the middle plate 31 is a member for partitioning the space where the heat exchanger 2 is installed from the space therebelow where electrical parts and the like are installed, and an unillustrated temperature sensor is disposed on the middle plate 31 in the vicinity of the center portion of the space A on the upstream side of the heat exchanger 2.
- the refrigerant pipe/electrical wiring through portion 32 forms the refrigerant pipe/electrical wiring installation space B together with the partition member 30a and the side plate 4, and through holes 32a that allow the refrigerant pipe 40 and the electrical wiring through pipe 41 to be passed therethrough are formed in the refrigerant pipe/electrical wiring through plate 32.
- the refrigerant pipe/electrical wiring through plate 32 is a portion further to the right side of the middle plate 31 than the partition plate 30a when seen from the maintenance panel 10.
- the heat exchanger 2 is exposed to the front when the maintenance panel 10 is removed. Additionally, the space A on the upstream side of the exposed heat exchanger 2 and the spaces B and C on the sides of the heat exchanger 2 are partitioned from each other by the partition members 30a and 30b.
- the air conditioner indoor unit 50 of the present embodiment is disposed with the partition members 30a and 30b that partition the space A on the upstream side of the heat exchanger 2 from the spaces B and C on both sides of the heat exchanger 2 where electrical parts and the like are installed, so that occurrences of drawbacks in electrical parts and the like may be avoided even when the heat exchanger 2 is cleaned using water.
- the air conditioner indoor unit 50 of the present embodiment is disposed with the maintenance panel 10 that allows the heat exchanger 2 to be exposed to the outside as part of the casing 1 configuring the outer enclosure.
- the heat exchanger 2 can be easily cleaned in a state where the maintenance panel 10 has been removed to expose the heat exchanger 2.
- the partition members 30a and 30b are attached in the vicinities of both ends of the fins F plurally attached to the surface of the heat exchanger 2.
- the space A on the upstream side of the heat exchanger 2 and the refrigerant pipe/electrical wiring installation space B and the refrigerant pipe installation space C can be partitioned from each other, and occurrences of drawbacks resulting from water being applied to the refrigerant pipes 2a and 40 can be avoided even when the heat exchanger 2 is cleaned with water.
- the drain pan 22 is disposed below the heat exchanger 2 that is cleaned with water.
- partition plate 30a may be disposed without disposing the partition plate 30b.
- partition plates 30a and 30b are disposed at both the left and right ends of the heat exchanger because, when the partition plates 30a and 30b are disposed at both the left and right ends as in the above-described embodiment, water can be prevented from being applied to the refrigerant pipe installation space C also in addition to the refrigerant pipe/electrical wiring installation space B.
- the partition members 30a and 30b may also be disposed further inward than the end portions of the heat exchanger 2.
- the partition members 30a and 30b may be disposed at both the left and right ends of the heat exchanger 2, that is, in the vicinities of the end portions of the fins F.
- the air conditioner of the present invention provides the effect that a heat exchanger can be cleaned with water without adversely affecting refrigerant pipes and electrical parts, so it is widely applicable with respect to an air conditioner including an open portion that allows the heat exchanger to be exposed.
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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)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Claims (4)
- Climatiseur (50) comprenant :une unité de ventilation (3) qui forme un flux d'air ;un échangeur de chaleur (2) qui est disposé au milieu du flux d'air formé par l'unité de ventilation (3) et effectue un échange de chaleur entre un réfrigérant et l'air ;un élément de séparation (30a, 30b) qui sépare un espace (A) sur le côté amont de l'échangeur de chaleur (2) dans le flux de l'air formé par l'unité de ventilation (3) d'un espace (B) où est agencé un tuyau à travers lequel s'écoule le réfrigérant et où sont installés un câblage, des tuyaux, et des parties électriques, etun boîtier (1) qui loge à l'intérieur de l'unité de ventilation, l'échangeur de chaleur, et l'élément de séparation (30a, 30b), caractérisé en ce que le boîtier (1) comporte un panneau de maintenance (10) qui permet à l'espace (A) sur le côté amont de l'échangeur de chaleur (2) dans le flux de l'air formé par l'unité de ventilation (3) d'être exposé pour effectuer une maintenance de l'échangeur de chaleur (2), et en ce que des occurrences d'inconvénients résultant de l'application d'eau aux câblage, tuyaux et parties électriques dans l'espace (B) peuvent être évitées même lorsque le panneau de maintenance (10) est retiré et que l'échangeur de chaleur (2) est nettoyé avec de l'eau,où l'élément de séparation (30a, 30b) peut empêcher l'eau appliquée à l'échangeur de chaleur (2) d'être appliquée aux parties électriques et autres analogues.
- Climatiseur (50) selon la revendication 1, dans lequel l'élément de séparation (30a, 30b) est disposé à proximité d'une ailette (F) disposée sur une partie d'extrémité de plusieurs ailettes (F) disposées sur la surface de l'échangeur de chaleur (2).
- Climatiseur (50) selon la revendication 2, dans lequel l'élément de séparation (30a, 30b) est disposé à proximité d'ailettes (F) disposées sur deux extrémités de plusieurs ailettes (F) disposées sur la surface de l'échangeur de chaleur (2).
- Climatiseur (50) selon l'une quelconque des revendications 1 à 3, comprenant en outre un bac de récupération (22) qui est disposé en-dessous de l'échangeur de chaleur (2) et reçoit de l'eau de drainage générée dans l'échangeur de chaleur (2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004186669A JP3823988B2 (ja) | 2004-06-24 | 2004-06-24 | 空気調和機 |
PCT/JP2005/011504 WO2006001323A1 (fr) | 2004-06-24 | 2005-06-23 | Climatisation |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1780473A1 EP1780473A1 (fr) | 2007-05-02 |
EP1780473A4 EP1780473A4 (fr) | 2010-05-19 |
EP1780473B1 true EP1780473B1 (fr) | 2012-10-17 |
Family
ID=35777624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05765080A Not-in-force EP1780473B1 (fr) | 2004-06-24 | 2005-06-23 | Climatisation |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070227172A1 (fr) |
EP (1) | EP1780473B1 (fr) |
JP (1) | JP3823988B2 (fr) |
CN (1) | CN100472140C (fr) |
ES (1) | ES2397108T3 (fr) |
WO (1) | WO2006001323A1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012117718A (ja) * | 2010-11-30 | 2012-06-21 | Fujitsu General Ltd | ダクト型空気調和機の室内機 |
JP5673058B2 (ja) * | 2010-12-13 | 2015-02-18 | 株式会社富士通ゼネラル | ダクト型空気調和機の室内機 |
JP5557110B2 (ja) * | 2010-12-13 | 2014-07-23 | 株式会社富士通ゼネラル | ダクト型空気調和機の室内機 |
JP5673059B2 (ja) * | 2010-12-14 | 2015-02-18 | 株式会社富士通ゼネラル | ダクト型空気調和機の室内機 |
JP2013181724A (ja) * | 2012-03-05 | 2013-09-12 | Hitachi Appliances Inc | 空気調和機 |
US11454420B2 (en) | 2019-02-06 | 2022-09-27 | Johnson Controls Tyco IP Holdings LLP | Service plate for a heat exchanger assembly |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2266259A (en) | 1938-10-01 | 1941-12-16 | Deane E Perham | Air conditioning apparatus |
GB618620A (en) | 1946-11-04 | 1949-02-24 | F H Biddle Ltd | Improvements connected with cabinets for air cooling or heating and the delivery or circulation of cooled or heated air |
NL281700A (fr) | 1962-06-12 | |||
US3262491A (en) * | 1964-12-01 | 1966-07-26 | American Air Filter Co | Self-contained air-conditioning unit ventilator |
DE1679537A1 (de) | 1967-09-27 | 1971-04-08 | M Krassnitzer Theobald H | Klimageraet |
JPS6127432A (ja) * | 1984-07-19 | 1986-02-06 | Sanyo Electric Co Ltd | 一体型空気調和機 |
US4733542A (en) | 1986-12-05 | 1988-03-29 | Enviromaster International Corporation | Cabinet for air conditioning system |
JP3349722B2 (ja) | 1992-08-25 | 2002-11-25 | 東芝キヤリア株式会社 | 空気調和機の室内ユニットおよびその梱包方法 |
JP3549357B2 (ja) * | 1997-03-10 | 2004-08-04 | 松下電器産業株式会社 | 分離型空気調和装置の室外機 |
JP3045142B2 (ja) | 1998-04-27 | 2000-05-29 | ダイキン工業株式会社 | 空気調和装置 |
BR9811215A (pt) * | 1998-06-22 | 2000-07-25 | Springer Carrier Sa | Unidade evaporadora para um sistema de condicionamento de ar |
JP3159685B2 (ja) * | 1999-05-25 | 2001-04-23 | ダイダン株式会社 | 内部洗浄可能パッケージ型空調機 |
-
2004
- 2004-06-24 JP JP2004186669A patent/JP3823988B2/ja not_active Expired - Fee Related
-
2005
- 2005-06-23 WO PCT/JP2005/011504 patent/WO2006001323A1/fr active Application Filing
- 2005-06-23 EP EP05765080A patent/EP1780473B1/fr not_active Not-in-force
- 2005-06-23 CN CNB2005800199033A patent/CN100472140C/zh not_active Expired - Fee Related
- 2005-06-23 ES ES05765080T patent/ES2397108T3/es active Active
- 2005-06-23 US US11/629,174 patent/US20070227172A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2006010178A (ja) | 2006-01-12 |
CN100472140C (zh) | 2009-03-25 |
JP3823988B2 (ja) | 2006-09-20 |
EP1780473A4 (fr) | 2010-05-19 |
WO2006001323A1 (fr) | 2006-01-05 |
ES2397108T3 (es) | 2013-03-04 |
US20070227172A1 (en) | 2007-10-04 |
CN1969151A (zh) | 2007-05-23 |
EP1780473A1 (fr) | 2007-05-02 |
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