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WO2006049244A1 - Climatiseur - Google Patents

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Publication number
WO2006049244A1
WO2006049244A1 PCT/JP2005/020285 JP2005020285W WO2006049244A1 WO 2006049244 A1 WO2006049244 A1 WO 2006049244A1 JP 2005020285 W JP2005020285 W JP 2005020285W WO 2006049244 A1 WO2006049244 A1 WO 2006049244A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
air filter
air conditioner
dust
filter
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.)
Ceased
Application number
PCT/JP2005/020285
Other languages
English (en)
Japanese (ja)
Inventor
Masahiro Bamba
Hisashi Hiratani
Norimasa Ishikawa
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to CN2005800368366A priority Critical patent/CN101057110B/zh
Priority to JP2006520561A priority patent/JPWO2006049244A1/ja
Publication of WO2006049244A1 publication Critical patent/WO2006049244A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus

Definitions

  • the present invention relates to an air conditioner having an indoor unit with an air filter automatic cleaning function.
  • FIG. 7 shows an indoor unit 701 of a conventional air conditioner. As shown in FIG. 7, air sucked by a fan 702 is cooled or heated by a heat exchanger 703 and then blown into the room. .
  • the air filter 704 is bent along the back of the inlet of the indoor unit 701 to prevent dust drifting in the air from entering the interior of the indoor unit 701, and the top surface is horizontal. .
  • the air filter is configured to be detachable so that the attached dust can be cleaned by hand.
  • Patent Document 1 Japanese Patent Laid-Open No. 2001-99479 (pages 3-4, Fig. 1)
  • the air filter 704 is removed from the indoor unit 701 in accordance with the frequency of use, and is cleaned regularly with water or with a vacuum cleaner. Maintenance is required. In addition, if maintenance is performed without regular maintenance, dust accumulates on the air filter 704, increasing the airflow resistance of the intake air, resulting in decreased air conditioner performance and increased power consumption. It was.
  • the present invention has been made in view of the above-described problems of the prior art, and is an air conditioner with improved convenience that does not require periodic maintenance by automatically cleaning the air filter. For the purpose of providing a machine!
  • the present invention provides an air conditioner having an indoor unit with an automatic cleaning function for an air filter, the air filter collecting dust in the air, and the air filter. Equipped with a suction nozzle with a suction hole that can move in the left-right direction of the indoor unit and suck dust adhering to the air filter, and a cumulative operation time detection means for detecting the cumulative operation time of the air conditioner.
  • the air filter is automatically cleaned when the cumulative operating time of the air conditioner detected by the cumulative operating time detecting means exceeds a predetermined time.
  • dust amount detection means for detecting the amount of dust in the air is further provided so that the air filter is automatically cleaned when the dust amount detected by the dust amount detection means is equal to or greater than a predetermined value. Rub it with a rub.
  • an accumulated stop time detecting means for detecting the accumulated stop time of the air conditioner is provided, and the air conditioner detected by the accumulated stop time detecting means If the accumulated stop time exceeds the specified time, the air filter may be automatically cleaned.
  • the cumulative operation time detecting means for detecting the cumulative operation time of the air conditioner is provided, and when the cumulative operation time of the air conditioner exceeds a predetermined time, the air filter is automatically cleaned. As a result, regular maintenance is not required and convenience is improved.
  • dust amount detection means for detecting the amount of dust in the air is further provided so that the air filter is automatically cleaned when the dust amount is a predetermined value or more, the dust adheres to the air filter.
  • the amount of air can be detected accurately and the air filter can be automatically cleaned at an appropriate time, preventing unnecessary cleaning.
  • cumulative stop time detection means for detecting the cumulative stop time of the air conditioner is provided, and when the cumulative stop time exceeds a predetermined time, the air filter is automatically cleaned. Even if it is done, regular maintenance is not necessary and convenience is improved.
  • FIG. 1 is a perspective view of an air filter cleaning mechanism provided in an indoor unit of an air conditioner according to the present invention.
  • FIG. 2A is an exploded perspective view of a suction arch I nozzle provided in the air filter cleaning mechanism of FIG.
  • FIG. 2B is a cross-sectional view taken along line AA in FIG. 2A.
  • FIG. 3 is a schematic diagram when the entire surface of the air filter is cleaned by the suction nozzle of FIG. 2A.
  • FIG. 4 is a block diagram showing a configuration of a refrigeration cycle and a control circuit of the air conditioner according to the present invention.
  • FIG. 5 is a flowchart showing automatic cleaning control of the air filter according to Embodiment 1 of the present invention.
  • FIG. 6 is a flowchart showing automatic cleaning control of an air filter according to Embodiment 2 of the present invention.
  • FIG. 7 is a cross-sectional view of a conventional air conditioner indoor unit. Explanation of symbols
  • FIG. 1 is a perspective view of an air filter cleaning mechanism provided in an indoor unit of an air conditioner according to the present invention.
  • the air filter that removes dust from the air passing through the heat exchangers is composed of a filter frame 101 and a filter net 102.
  • the filter frame 101 has a bent middle portion.
  • the upper surface portion 101a is configured to be horizontal or close to the shape
  • the lower surface portion 101b is configured to be vertical.
  • a suction nozzle 103 that is movable along the surface of the air filter is provided.
  • the suction nozzle 103 can move smoothly to the left and right while maintaining a certain distance from the air filter by the guide rails 104 installed at the upper and lower ends of the filter frame 101.
  • One end of a suction duct 105 is connected to the suction nozzle 103, and the other end of the suction duct 105 is connected to a suction device 106.
  • the suction duct 105 is a duct that can be bent so that it does not interfere with the movement of the suction nozzle 103. Formed with. Further, an exhaust duct 107 is connected to the suction device 106 and is routed outside the room. Dust adhering to the air filter is sucked from the suction nozzle 103 and discharged to the outside through the suction duct 105, the suction device 106, and the exhaust duct 107.
  • the suction nozzle 103 is set so as to clean the entire surface of the filter by switching the position by increasing the suction force by narrowing the suction to a part.
  • FIG. 2A is an exploded perspective view showing the structure of the suction nozzle 103
  • FIG. 2B is a sectional view thereof.
  • the suction nozzle body 201 is provided with a long slit-like opening 202 corresponding to the entire length of the air filter, and a belt 203 that can be driven along the opening 202.
  • the suction hole 204 By providing the suction hole 204, the suction can be performed from only a part of the opening 202, and the place of suction can be changed by driving the belt 203.
  • the belt 203 follows the suction nozzle main body 201, the belt 203 is covered with a belt guide 205 formed integrally with the suction nozzle main body 201 by welding or bonding. With such a configuration, the air velocity of the suction hole is increased because the air is narrowed to a small suction hole even with a small air volume, and a strong suction force can be exhibited even with a small suction device.
  • the entire surface of the air filter is cleaned by driving the belt 302 of the suction nozzle 301 to change the vertical position of the suction hole 303 and moving the suction nozzle 301 to the left and right along the air filter 304.
  • the suction hole 303 is swept as shown by the arrow in the figure.
  • the suction hole 303 is set to a length of 1Z4, which is the total length of the air filter, and the entire surface of the air filter is cleaned by two reciprocating sweep operations as indicated by arrows in the figure.
  • FIG. 4 is a block diagram showing a configuration of a refrigeration cycle and a control circuit of an air conditioner that is useful in the present invention.
  • an air conditioner 401 is composed of an outdoor unit 402 and an indoor unit 403.
  • the outdoor unit 403 is provided with a compressor 404, a four-way valve 405, an expansion valve 406, an outdoor heat exchange 407, an outdoor fan 408, a discharge temperature sensor 409, an outdoor pipe temperature sensor 410, and an outdoor temperature sensor 411.
  • Indoor unit 403 is indoor heat exchanger 412, indoor fan 413, air filter cleaner 414, indoor piping temperature sensor 417, suction temperature sensor 418, humidity sensor 419, dust sensor 422 for detecting the amount of dust in the air,
  • a suction unit, a blowing unit, upper and lower blades, and left and right blades are provided.
  • the outdoor unit 402 and the indoor unit 403 are connected so as to form a refrigeration cycle, and cooling operation and heating are performed by switching the four-way valve 405. One of the operations is performed.
  • the indoor heat exchanger 412 is divided into a front heat exchanger 412a and a rear heat exchanger 412b, and the front heat exchanger 412a and the rear heat exchanger 412b are provided with a dry two-way valve 415 and a mechanical force. They are connected via a throttle mechanism consisting of a tube 416.
  • a throttle mechanism consisting of a tube 416.
  • the outdoor unit 402 and the indoor unit 403 are respectively provided with an outdoor control unit 420 and an indoor control unit 421, and both the control units 420 and 421 are electrically connected to each other. Various operations are controlled.
  • FIG. 5 is a flowchart showing the automatic cleaning control of the air filter in the first embodiment of the present invention.
  • step 501 it is determined whether or not the accumulated time of the stop time of the air conditioner measured by the count of the timer provided in the indoor control unit 421 has passed a predetermined time. If this determination is YES, it is determined that dust is accumulated on the upper surface of the air filter, and only the upper surface of the air filter is automatically cleaned in step 502. On the other hand, if the determination in step 501 is NO, the process proceeds to step 503.
  • the cumulative time of the air conditioner stop time described above is the total time during which the air conditioner is stopped, which is assumed to be attached with an amount of dust that can be sucked by operating the suction device 106 once. Set to 360 hours.
  • step 503 it is determined whether this is the first operation after the previous cleaning, and YES. If NO, go to step 504, otherwise go to step 505. In step 504, it is determined whether the accumulated time of the operation time of the air conditioner measured by the timer count has exceeded a predetermined time. If this determination is YES, the air filter automatic is determined in step 506. While cleaning is performed, if NO, return to step 504.
  • the amount of dust that can be sucked by operating the suction device 106 once is assumed to be the amount that adheres to the air filter after operating the air conditioner for about 24 hours.
  • the cumulative operating time of the air conditioner described above is set to 48 hours, for example, twice that of 24 hours.
  • step 505 it is determined whether the accumulated time of the operation time of the air conditioner measured by the count of the timer has passed a predetermined time. If this determination is YES, the process proceeds to step 506. On the other hand, if NO, return to step 505.
  • the cumulative time of the operation time of the air conditioner in this case is that the suction device 106 is 1
  • the air conditioner when the air conditioner is stopped, dust easily adheres to the upper surface portion of the air filter that extends substantially horizontally. Therefore, only the relevant portion is cleaned. As a result, the cleaning time is shortened and unnecessary power consumption is reduced. In addition, since the air filter is automatically cleaned based on the accumulated operation time of the air conditioner, the cleaning work can be performed easily and efficiently. In addition, when operating the air conditioner for the first time after cleaning the air filter, set the cumulative operation time for judging the cleaning of the air filter to be longer than in other cases to minimize unnecessary cleaning. Noise and power consumption associated with cleaning are reduced, improving convenience.
  • FIG. 6 is a flowchart showing automatic air filter cleaning control according to Embodiment 2 of the present invention.
  • step 601 the amount of dust floating in the air is detected by the dust sensor 422. If it is detected and the detected dust amount is equal to or larger than the predetermined value, the process proceeds to step 602. If it does not reach the predetermined value, the process returns to step 601. In step 602, when the amount of dust in the air is greater than or equal to a predetermined value, it is determined whether or not the accumulated time of the operation time of the air conditioner has passed a predetermined time. If this determination is YES, In step 603, the air filter is automatically cleaned. If NO, the process returns to step 601.
  • the predetermined value of the dust amount described above refers to ten states in, for example, lcm 2 Zs, where the amount of dust in the living space determined experimentally is large.
  • the predetermined time of the cumulative operating time of the air conditioner described above is that when 10 or more dusts adhere to the air filter in lcm 2 Zs, the amount of dust that can be sucked by operating the suction device 106 once is attached.
  • the total time during the operation of the assumed air conditioner for example, is set to about 12 hours.
  • Embodiment 2 by detecting the amount of dust in the air around the air conditioner, it is possible to accurately detect the amount of dust attached to the air filter. In addition, automatic cleaning of the air filter is performed at an appropriate time, preventing unnecessary cleaning and improving convenience.
  • the air conditioner according to the present invention automatically cleans the air filter automatically, so that regular maintenance is not required and convenience is improved. Applicable to various air conditioners.

Landscapes

  • 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 Conditioning Control Device (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Le climatiseur de l'invention possède une unité intérieure pourvue d'une fonction pour assurer un nettoyage automatique d'un filtre à air. Le climatiseur comporte un filtre à air pour collecter les poussières en suspension dans l'air, un ajutage d'aspiration muni d'un trou, pouvant se déplacer le long du filtre à air, dans les directions droite et gauche de l'unité intérieure, et aspirant les poussières qui adhèrent au filtre à air. Il comporte aussi des moyens servant à détecter la durée totale de fonctionnement du climatiseur. Le nettoyage automatique du filtre à air est effectué lorsque les moyens de détection de la durée totale de fonctionnement indiquent que la durée totale de fonctionnement du climatiseur d'air a dépassé une durée prédéterminée.
PCT/JP2005/020285 2004-11-08 2005-11-04 Climatiseur Ceased WO2006049244A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2005800368366A CN101057110B (zh) 2004-11-08 2005-11-04 空气调节器
JP2006520561A JPWO2006049244A1 (ja) 2004-11-08 2005-11-04 空気調和機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004323374 2004-11-08
JP2004-323374 2004-11-08

Publications (1)

Publication Number Publication Date
WO2006049244A1 true WO2006049244A1 (fr) 2006-05-11

Family

ID=36319244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/020285 Ceased WO2006049244A1 (fr) 2004-11-08 2005-11-04 Climatiseur

Country Status (5)

Country Link
JP (1) JPWO2006049244A1 (fr)
CN (1) CN101057110B (fr)
MY (1) MY165391A (fr)
TW (1) TWI351497B (fr)
WO (1) WO2006049244A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012255592A (ja) * 2011-06-09 2012-12-27 Panasonic Corp 空気調和機
JP2024539208A (ja) * 2021-11-09 2024-10-28 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン
JP2024539210A (ja) * 2021-11-09 2024-10-28 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246637B1 (fr) * 2008-01-25 2017-06-07 Daikin Industries, Ltd. Unité d'intérieur d'un appareil de climatisation
CN106969467A (zh) * 2017-04-01 2017-07-21 青岛海尔空调器有限总公司 一种空调自清洁控制方法及装置
JP7227521B1 (ja) * 2021-08-31 2023-02-22 ダイキン工業株式会社 空気調和装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61197412U (fr) * 1985-05-30 1986-12-09
JPH0379930A (ja) * 1989-08-23 1991-04-04 Hitachi Ltd 空気調和機
JPH10160227A (ja) * 1996-11-29 1998-06-19 Daikin Ind Ltd 空気調和機
JP2001099479A (ja) * 1999-09-30 2001-04-13 Sanyo Electric Co Ltd 空気調和機電源装置
JP2004239449A (ja) * 2003-02-03 2004-08-26 Fujitsu General Ltd 空気調和機の制御方法
JP2004263984A (ja) * 2003-03-04 2004-09-24 Matsushita Electric Ind Co Ltd 空気調和機
JP2004286345A (ja) * 2003-03-24 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置
JP2004283704A (ja) * 2003-03-20 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置
JP2004283703A (ja) * 2003-03-20 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8800169A (pt) * 1987-09-13 1989-03-21 Ltg Lufttechnische Gmbh Dispositivo de filtro e processo para seu acionamento
CN2538405Y (zh) * 2002-04-11 2003-03-05 张春生 干式空调过滤器自动清洗装置
CN100338399C (zh) * 2003-03-20 2007-09-19 松下电器产业株式会社 具备带空气过滤器自动清扫功能的室内单元的空调机

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61197412U (fr) * 1985-05-30 1986-12-09
JPH0379930A (ja) * 1989-08-23 1991-04-04 Hitachi Ltd 空気調和機
JPH10160227A (ja) * 1996-11-29 1998-06-19 Daikin Ind Ltd 空気調和機
JP2001099479A (ja) * 1999-09-30 2001-04-13 Sanyo Electric Co Ltd 空気調和機電源装置
JP2004239449A (ja) * 2003-02-03 2004-08-26 Fujitsu General Ltd 空気調和機の制御方法
JP2004263984A (ja) * 2003-03-04 2004-09-24 Matsushita Electric Ind Co Ltd 空気調和機
JP2004283704A (ja) * 2003-03-20 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置
JP2004283703A (ja) * 2003-03-20 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置
JP2004286345A (ja) * 2003-03-24 2004-10-14 Matsushita Electric Ind Co Ltd 空気調和機のフィルター装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012255592A (ja) * 2011-06-09 2012-12-27 Panasonic Corp 空気調和機
JP2024539208A (ja) * 2021-11-09 2024-10-28 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン
JP2024539210A (ja) * 2021-11-09 2024-10-28 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン
JP7760049B2 (ja) 2021-11-09 2025-10-24 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン
JP7760048B2 (ja) 2021-11-09 2025-10-24 青島海尓空調器有限総公司 エアコンのフィルタークリーニングのための方法、装置及びエアコン

Also Published As

Publication number Publication date
CN101057110A (zh) 2007-10-17
MY165391A (en) 2018-03-21
CN101057110B (zh) 2010-07-28
TW200624727A (en) 2006-07-16
JPWO2006049244A1 (ja) 2008-05-29
TWI351497B (en) 2011-11-01

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