EP2148145A1 - Appareil de climatisation - Google Patents

Appareil de climatisation Download PDF

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Publication number
EP2148145A1
EP2148145A1 EP09009564A EP09009564A EP2148145A1 EP 2148145 A1 EP2148145 A1 EP 2148145A1 EP 09009564 A EP09009564 A EP 09009564A EP 09009564 A EP09009564 A EP 09009564A EP 2148145 A1 EP2148145 A1 EP 2148145A1
Authority
EP
European Patent Office
Prior art keywords
air
pair
outlet
heat exchanger
heat
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.)
Granted
Application number
EP09009564A
Other languages
German (de)
English (en)
Other versions
EP2148145B1 (fr
Inventor
Tomohiro Tabata
Yasuhiro Moteki
Mayumi Saito
Toshimitsu Nakajima
Yasunori Oohama
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2008191884A external-priority patent/JP2010032068A/ja
Priority claimed from JP2008191883A external-priority patent/JP5410047B2/ja
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of EP2148145A1 publication Critical patent/EP2148145A1/fr
Application granted granted Critical
Publication of EP2148145B1 publication Critical patent/EP2148145B1/fr
Not-in-force 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • 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
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • 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
    • F24F1/0053—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted at least partially below the floor; with air distribution below the floor

Definitions

  • the present invention relates to an air conditioning apparatus provided with a heat exchanger and a pair of upper and lower fans in a housing having an inlet and an upper outlet and a lower outlet, wherein the air flowing from the inlet into the housing is heat-exchanged by the heat exchanger, and the heat-exchanged air is blown off from the upper outlet and the lower outlet by the pair of the upper and lower fans.
  • a pair of upper and lower fans are provided in a housing, the air flowing from an inlet into a housing and heat-exchanged by a heat exchanger is blown off from both of an upper outlet and a lower outlet or is blown off from either of them, enabling a plurality of airflow controls (see Patent Document 1).
  • the pair of the upper and lower fans each of which has the equal fan diameter
  • the pair of the upper and lower fans pulls the air that is heat-exchanged by the heat exchanger from both sides, airflow is distorted; and the airflow volume of the air from the two upper and lower outlets is not only unstable, but also the noise due to the disturbance of the airflow in the housing increases.
  • the two fans are provided in the housing, whereby a space for accommodating a coolant pipe which connects indoor equipment and outdoor equipment to each other cannot be provided, and the depth dimension of the housing must be increased.
  • the air conditioning apparatus including a heat exchanger and a pair of upper and lower fans in a housing having an inlet and an upper outlet and a lower outlet, wherein the air flowing from the inlet into the housing is heat-exchanged by the heat exchanger and the heat-exchanged air is blown off from the upper outlet and the lower outlet by the pair of the upper and lower fans.
  • a first aspect of the present invention is directed to an air conditioning apparatus, characterised by, in a housing having an inlet, an upper outlet, and a lower outlet, comprising: a heat exchanger; and a pair of upper and lower fans, air flowing from the inlet into the housing being heat-exchanged by the heat exchanger, the heat-exchanged air being blown off from the upper outlet and the lower outlet by the pair of the upper and lower fans, wherein: an air trunk guide formed in a cross-sectional elbowed shape, for guiding the air from the heat exchanger to the pair of the upper and lower fans, is provided between the pair of the upper and lower fans; and a bent top portion of the air trunk guide is shifted to a lower side with respect to a center between the pair of the upper and lower fans.
  • a second aspect of the present invention is directed to an air conditioning apparatus, characterised by, in a housing having an inlet, an upper outlet, and a lower outlet, comprising: a heat exchanger; and a pair of upper and lower fans, air flowing from the inlet into the housing being heat-exchanged by the heat exchanger, the heat-exchanged air being blown off from the upper outlet and the lower outlet by the pair of the upper and lower fans, wherein: a fan diameter of the upper fan is set to be greater than a fan diameter of the lower fan; an air trunk guide formed in a cross-sectional elbowed shape, for guiding the air from the heat exchanger to the pair of the upper and lower fans, is provided between the pair of the upper and lower fans; and a bent top portion of the air trunk guide is shifted to a lower side with respect to a center between centers of the pair of the upper and lower fans.
  • a third aspect of the present invention is directed to the air conditioning apparatus according to the first or second aspect of the invention, characterised in that : a rear lower end of the heat exchanger is positioned forwardly with respect to an extension line of a long-side portion which is upper than a bent top portion of the air trunk guide.
  • a fourth aspect of the present invention is directed to an air conditioning apparatus, characterised by, in a housing having an inlet, an upper outlet, and a lower outlet, comprising: a heat exchanger; and a pair of upper and lower fans, air flowing from the inlet into the housing being heat-exchanged by the heat exchanger, the heat-exchanged air being blown off from the upper outlet and the lower outlet by the pair of the upper and lower fans, wherein: the fan diameters of the pair of the upper and lower fans are made different from each other.
  • a fifth aspect of the present invention is directed to the air conditioning apparatus according to the fourth aspect of the invention, characterised in that: the fan diameter of the upper fan is set to be greater than the fan diameter of the lower fan.
  • the disturbance of the airflow of the air that is heat-exchanged by the heat exchanger is prevented, and the airflow volume of the air from the two upper and lower outlets is appropriately distributed, allowing stabilization of the airflow volume and restraint of the generation of noise.
  • a rear lower end of the heat exchanger is positioned forwardly with respect to an extension line of a long-side portion which is upper than a bent top portion of the air trunk guide, so that, even if the air after heat-exchanged is blown off from only the upper outlet with the lower fan being deactivated, the air is allowed to pass through the entire heat exchanger and efficient air conditioning operation can be performed.
  • the fan diameters of the pair of the upper and lower fans are made different from each other, and moreover, the fan diameter of the upper fan is set to be greater than that of the lower fan, whereby the disturbance of the airflow of the air that is heat-exchanged by the heat exchanger is prevented and the airflow volume of the air from the two upper and lower outlets is appropriately distributed, allowing stabilization of the airflow volume and restraint of the generation of noise.
  • the space at the rear of the fan having a smaller fan diameter can be effectively utilized as a space for accommodating a coolant pipe which connects indoor equipment and outdoor equipment to each other or the like.
  • Reference numeral 1 denotes floor-placement indoor equipment constituting an air conditioning apparatus together with outdoor equipment (not shown) as heat-source equipment, and a heat exchanger 3 and a pair of upper and lower cross-flow fans 4, 5 are provided in a housing 2.
  • the fan diameter (diameter) of the upper cross-flow fan 4 is set to be 100 mm; the fan diameter (diameter) of the lower cross-flow fan 5 is set to be 92 mm; and the fan diameter of the cross-flow fan 4 is set to be greater than that of the cross-flow fan 5.
  • the housing 2 is made of a front panel 6 and a main-body casing 7; a front inlet 8, a side inlet 9, an upper outlet 10, and a lower outlet 11 are provided on the front panel 6; and an upper blow-off flap 12 opening at the time of operation is provided at the upper outlet 10.
  • an air filter 14 equipped with an air cleaning filter 13 is removably installed on the front face of the heat exchanger 3, and a drain pan 15 is provided in the downward direction of the heat exchanger 3.
  • a heat insulation material 16 is mounted to the rear part of the main-body casing 7, and inside of this heat insulation material 16, there are arranged: an air trunk guide 17 (formed in an elbowed shape in a cross-sectional view seen laterally) which is positioned between one pair of the upper and lower cross-flow fans 4 and 5; an upper side fan case 18 which is continuous in the upward direction of the air trunk guide 17 and covers the cross-flow fan 4 with predetermined intervals; and a lower side fan case 19 which is continuous in the downward direction of the air trunk guide 17 and covers the cross-flow fan 5 with predetermined intervals.
  • an air trunk guide 17 formed in an elbowed shape in a cross-sectional view seen laterally
  • an upper side fan case 18 which is continuous in the upward direction of the air trunk guide 17 and covers the cross-flow fan 4 with predetermined intervals
  • a lower side fan case 19 which is continuous in the downward direction of the air trunk guide 17 and covers the cross-flow fan 5 with predetermined intervals.
  • an upper-side blow-off passageway 20 is formed between the cross-flow fan 4 and the upper outlet 10; a lower-side blow-off passageway 21 is formed between the cross-flow fan 5 and the lower outlet 11; and an openable shutter unit 22 is provided in the lower-side blow-off passageway 21.
  • the air trunk guide 17 is made up of: a long-side portion 17A extending to a front lower part of an upper side; and a short-side portion 17B bent from the long-side portion 17A and extending to a rear lower part of a lower side.
  • a top portion 17C which is a bent position of the air trunk guide 17 reaches a position shifted to be lower than a vertical central position.
  • this guide is constituted so that: the long-side portion 17A is longer than the short-side portion 17B; the top portion 17C is positioned downwardly of a central position between a center of the cross-flow fan 4 and a center of the cross-flow fan 5; and further, a rear lower end of the heat exchanger 3 is positioned leftwardly (forwardly) with respect to an extension line of the long-side portion 17A indicated by the dashed line; and all of the air after heat-exchanged via the heat exchanger 3 is taken in when only the cross-flow fan 4 operates, so that the air taken in can be fed indoors.
  • the heat exchanger 3 acts as an evaporator (cooler), and in general, a pair of the upper and lower cross-flow fans 4, 5 operates.
  • Indoor air flows from the front inlet 8 and the side inlet 9 into the housing 2, and is cleaned by the air filter 14. Afterwards, the cleaned air is cooled by the heat exchanger 3, and cool air is produced.
  • the cool air is diverted upwardly and downwardly at the air trunk guide 17, and the diverted airflows are guided to the cross-flow fans 4, 5.
  • the guided airflows pass through the upper-side blow-off passageway 20 and the lower-side blow-off passageway 21, and are blown indoors from the upper outlet 10 and the lower outlet 11, respectively.
  • the fan diameter of the upper cross-flow fan 4 is set to be greater than the fan diameter of the lower cross-flow fan 5, thus reducing a degree of pulling of the cool air passing through the heat exchanger 3 by the two cross-flow fans 4, 5.
  • the cool air is flown indoors from the upper outlet 10, mainly by means of the upper cross-flow fan 4. Therefore, a large amount of cool air is guided upwardly indoors, thus allowing efficient indoor cooling, and the airflow inside of the housing 2 is stabilized, thus allowing restraint of the generation of noise.
  • the airflow volume of the blow-off from the lower outlet 11 by the lower cross-flow fan 5 is reduced, whereas the velocity of the airflow can be ensured by downsizing the lower outlet 11, leading to an inability to somesthetically sense a decrease in the volume of the airflow from the lower outlet 11.
  • the top portion 17C of the air trunk guide 17 is shifted downwardly from the central position between the center of the upper cross-flow fan 4 and the center of the lower cross-flow fan 5, and is shifted to the lower side with respect to the center of the air trunk guide 17.
  • the cool air from the heat exchanger 3 can be appropriately distributed in accordance with the blow-off airflow volume from the upper and lower outlets 10, 11, and the cool air passing through the heat exchanger 3 can be smoothly and massively flown to the upper cross-flow fan 4.
  • the cross-flow fan 5 stops, and the lower-side blow-off passageway 21 is closed by the shutter unit 22.
  • the rear lower end of the heat exchanger 3 is positioned leftwardly (forwardly) with respect to the extension line of the long-side portion 17A indicated by the dashed line.
  • a coolant pipe which connects indoor equipment and outdoor equipment to each other is mounted to the heat exchanger 3, whereas a space S at the rear of the cross-flow fan 5 having a smaller fan diameter can be effectively utilized as a space for accommodating the coolant pipe or the like.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
EP09009564A 2008-07-25 2009-07-23 Appareil de climatisation Not-in-force EP2148145B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008191884A JP2010032068A (ja) 2008-07-25 2008-07-25 空気調和機
JP2008191883A JP5410047B2 (ja) 2008-07-25 2008-07-25 空気調和機

Publications (2)

Publication Number Publication Date
EP2148145A1 true EP2148145A1 (fr) 2010-01-27
EP2148145B1 EP2148145B1 (fr) 2013-03-20

Family

ID=41202535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09009564A Not-in-force EP2148145B1 (fr) 2008-07-25 2009-07-23 Appareil de climatisation

Country Status (1)

Country Link
EP (1) EP2148145B1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103574772A (zh) * 2012-08-09 2014-02-12 珠海格力电器股份有限公司 立式空调器及其控制方法
CN104110812A (zh) * 2014-03-31 2014-10-22 美的集团股份有限公司 空调风道结构及立式空调器
CN104296351A (zh) * 2014-09-28 2015-01-21 美的集团武汉制冷设备有限公司 空调器
CN105352153A (zh) * 2015-12-01 2016-02-24 珠海格力电器股份有限公司 导风结构及具有其的空调柜机
CN106556066A (zh) * 2016-11-29 2017-04-05 海信（山东）空调有限公司 一种壁挂式空调器
EP3168546A4 (fr) * 2015-08-24 2017-08-02 Mitsubishi Electric Corporation Unité d'intérieur pour conditionneur d'air
CN108870540A (zh) * 2018-07-05 2018-11-23 珠海格力电器股份有限公司 多风口空调器
CN108916993A (zh) * 2018-06-13 2018-11-30 海信（山东）空调有限公司 空调器以及空调控制方法
CN110160144A (zh) * 2019-06-25 2019-08-23 宁波奥克斯电气股份有限公司 一种风道组件以及空调器

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596850A (en) * 1979-01-17 1980-07-23 Matsushita Electric Ind Co Ltd Air blowing structure for air conditioner
JPS6159145A (ja) 1984-08-29 1986-03-26 Sanyo Electric Co Ltd 空気調和機
JPH03158630A (ja) * 1989-11-15 1991-07-08 Sanyo Electric Co Ltd 熱交換ユニット
JPH07233957A (ja) * 1994-02-24 1995-09-05 Toshiba Corp 空気調和機
JPH08178338A (ja) * 1994-12-27 1996-07-12 Toshiba Corp 空気調和装置の室内機
JP2000234796A (ja) * 1999-02-17 2000-08-29 Matsushita Electric Ind Co Ltd 空気調和機
KR100644544B1 (ko) * 2005-10-28 2006-11-10 엘지전자 주식회사 공기조화기
EP1953461A1 (fr) * 2007-01-26 2008-08-06 LG Electronics Inc. Climatisateur avec couverture volante pour aspiration d'air frontale et sortie d'air verticale

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596850A (en) * 1979-01-17 1980-07-23 Matsushita Electric Ind Co Ltd Air blowing structure for air conditioner
JPS6159145A (ja) 1984-08-29 1986-03-26 Sanyo Electric Co Ltd 空気調和機
JPH03158630A (ja) * 1989-11-15 1991-07-08 Sanyo Electric Co Ltd 熱交換ユニット
JPH07233957A (ja) * 1994-02-24 1995-09-05 Toshiba Corp 空気調和機
JPH08178338A (ja) * 1994-12-27 1996-07-12 Toshiba Corp 空気調和装置の室内機
JP2000234796A (ja) * 1999-02-17 2000-08-29 Matsushita Electric Ind Co Ltd 空気調和機
KR100644544B1 (ko) * 2005-10-28 2006-11-10 엘지전자 주식회사 공기조화기
EP1953461A1 (fr) * 2007-01-26 2008-08-06 LG Electronics Inc. Climatisateur avec couverture volante pour aspiration d'air frontale et sortie d'air verticale

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103574772B (zh) * 2012-08-09 2016-12-21 珠海格力电器股份有限公司 立式空调器及其控制方法
CN103574772A (zh) * 2012-08-09 2014-02-12 珠海格力电器股份有限公司 立式空调器及其控制方法
CN104110812A (zh) * 2014-03-31 2014-10-22 美的集团股份有限公司 空调风道结构及立式空调器
CN104110812B (zh) * 2014-03-31 2017-03-22 美的集团股份有限公司 空调风道结构及立式空调器
CN104296351A (zh) * 2014-09-28 2015-01-21 美的集团武汉制冷设备有限公司 空调器
CN104296351B (zh) * 2014-09-28 2017-05-10 美的集团武汉制冷设备有限公司 空调器
RU2683342C1 (ru) * 2015-08-24 2019-03-28 Мицубиси Электрик Корпорейшн Внутренний блок установки кондиционирования воздуха
EP3168546A4 (fr) * 2015-08-24 2017-08-02 Mitsubishi Electric Corporation Unité d'intérieur pour conditionneur d'air
US10634384B2 (en) 2015-08-24 2020-04-28 Mitsubishi Electric Corporation Indoor unit of air-conditioning apparatus
CN105352153A (zh) * 2015-12-01 2016-02-24 珠海格力电器股份有限公司 导风结构及具有其的空调柜机
CN106556066A (zh) * 2016-11-29 2017-04-05 海信（山东）空调有限公司 一种壁挂式空调器
CN108916993A (zh) * 2018-06-13 2018-11-30 海信（山东）空调有限公司 空调器以及空调控制方法
CN108870540A (zh) * 2018-07-05 2018-11-23 珠海格力电器股份有限公司 多风口空调器
CN110160144A (zh) * 2019-06-25 2019-08-23 宁波奥克斯电气股份有限公司 一种风道组件以及空调器

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