EP2356393B1 - Cleaning device for a climate conditioner - Google Patents

Cleaning device for a climate conditioner Download PDF

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Publication number
EP2356393B1
EP2356393B1 EP09830630.1A EP09830630A EP2356393B1 EP 2356393 B1 EP2356393 B1 EP 2356393B1 EP 09830630 A EP09830630 A EP 09830630A EP 2356393 B1 EP2356393 B1 EP 2356393B1
Authority
EP
European Patent Office
Prior art keywords
enclosure box
compressed air
indoor part
air
underpressure
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
Application number
EP09830630.1A
Other languages
German (de)
French (fr)
Other versions
EP2356393A1 (en
EP2356393A4 (en
Inventor
Bjørn Eirik ENGELSKJØNN
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.)
Max Effect As
Original Assignee
Max Effect As
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 Max Effect As filed Critical Max Effect As
Publication of EP2356393A1 publication Critical patent/EP2356393A1/en
Publication of EP2356393A4 publication Critical patent/EP2356393A4/en
Application granted granted Critical
Publication of EP2356393B1 publication Critical patent/EP2356393B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • 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
    • F24F2221/22—Cleaning ducts or apparatus
    • 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 invention is a device and a method for cleaning of a climate conditioner or a heat pump indoors part/heat exchanger for dust.
  • JP 07190683 is an appliance for cleaning of wall mounted, indoor heat exchangers.
  • the method used relies on chemical cleaning agents without compressed air or mechanical suction.
  • the amount of chemical cleaning agent in this method will be substantial, and the danger of use of unsuitable cleaning agents that may cause damage to the electronic part of the heat exchanger is considered to be appreciable.
  • the appliance is not form stable and is not suitable to create underpressure.
  • JP 2001027498A is an appliance for cleaning of indoor heat exchangers.
  • the method used relies on the use of water.
  • a water pressure arises when the appliance (the bellows) is forced against the heat exchanger and which then leads the water through the heat exchanger.
  • this method relies on use of water, it is most probably only intended for cleaning of heat exchangers that do not contain electric or electronic components, which a modern indoor part for a heat pump does, as these have this integrated under the same cover.
  • JP 2004322032 discloses a cleaning device for an air cleaner.
  • JP 09061092 discloses a method and equipment for cleaning an air conditioning machine.
  • JP 59030000A is an appliance for internal cleaning of the cooling pipes in a heat exchanger, popularly called "pipe flushing" and has no relation to cleaning of the heat exchanger outside ribs and/or between these.
  • US 6305393B1 is an appliance for internal cleaning of the cooling pipes in a heat exchanger, popularly called "pipe flushing" and has no relation to cleaning of the heat exchanger outside ribs and/or between these.
  • the object of the invention is to remedy or reduce at least one of the prior art drawbacks, or at least to obtain a useful alternative to prior art.
  • the invention deviates substantially from all the up to now known methods for cleaning of the indoor part of the climate conditioner as it utilises:
  • An enclosure box is placed on the outside of an indoor part as a temporary airtight encapsulation abutting a wall.
  • the enclosure box is made of a transparent material to be able to have a full view of and control with the process up to the point when the air in the enclosure box is clean and the indoor part free of dust.
  • the enclosure box is made of a form stable material because it is to withstand an underpressure.
  • the enclosure box is supplied with air having 8-12 bar pressure, as the air is led through a nozzle/compressed air pipe having an opening and closing valve giving a high pulsating air speed and small airflow.
  • the dust comes loose in the indoor part and is forced out into the enclosure box and further to a suction device.
  • the suction device will suck out more air than is blown in. An underpressure will then arise in the enclosure box, and this condition will dominate during the whole process as a balanced pressure/suction function.
  • An enclosure box 6 is arranged on the outside of an indoor part 1 after the front cover 2 and filter 3 have been removed from the indoor part 1 as shown in fig. 2 .
  • the enclosure box 6 is provided with a gasket 7 being squeezed against a wall behind such that dust tightness around the indoor part 1 is formed.
  • the enclosure box 6 is hung off the upper rear edge of the indoor part 1 by means of a fastener 12 as shown in fig. 1 .
  • blowing slots 8 being of equal length to the width of the indoor part 1 are arranged and sealed with two opposing bulb gaskets 9, so that the blowing slots 8 becomes tight and that dust does not come out through them.
  • a compressed air pipe 10 is led through the blowing slot 8 and directed toward or led in through the indoor part fan and radiator fins inside the indoor part 1, for in this way to loosen and transport dust out via a suction device 14 shown in fig. 1 .
  • suction pipe stub 11 there is in the left hand side of the enclosure box 6 a suction pipe stub 11. This is arranged remote from the indoor part 1 electronics 5, which in the example shown is arranged on the right hand side so that the dust is led away from the electronics and toward the suction pipe stub in the bottom where it is evacuated.
  • the task of the enclosure box 6 is as mentioned to get all the dust led out of the climate conditioner indoor part 1 without the dust whirling out into the room during the process.
  • the dust is so fine that it has passed through the filters and has settled inside the indoor part 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Description

  • The invention is a device and a method for cleaning of a climate conditioner or a heat pump indoors part/heat exchanger for dust.
    • Prior art:
  • JP 07190683 is an appliance for cleaning of wall mounted, indoor heat exchangers. The method used relies on chemical cleaning agents without compressed air or mechanical suction. The amount of chemical cleaning agent in this method will be substantial, and the danger of use of unsuitable cleaning agents that may cause damage to the electronic part of the heat exchanger is considered to be appreciable. The appliance is not form stable and is not suitable to create underpressure.
  • JP 2001027498A is an appliance for cleaning of indoor heat exchangers. The method used relies on the use of water. A water pressure arises when the appliance (the bellows) is forced against the heat exchanger and which then leads the water through the heat exchanger. As this method relies on use of water, it is most probably only intended for cleaning of heat exchangers that do not contain electric or electronic components, which a modern indoor part for a heat pump does, as these have this integrated under the same cover.
  • JP 2004322032 discloses a cleaning device for an air cleaner.
  • JP 09061092 discloses a method and equipment for cleaning an air conditioning machine.
  • JP 59030000A is an appliance for internal cleaning of the cooling pipes in a heat exchanger, popularly called "pipe flushing" and has no relation to cleaning of the heat exchanger outside ribs and/or between these.
  • US 6305393B1 is an appliance for internal cleaning of the cooling pipes in a heat exchanger, popularly called "pipe flushing" and has no relation to cleaning of the heat exchanger outside ribs and/or between these.
  • The largest drawbacks of the prior art is:
    • use of chemical cleaning agents,
    • time consuming fitting up/stripping down,
    • liquid/chemical spill is no good in combination with electronic components,
    • difficulties in keeping overview during the cleaning process,
    • final result of the cleaning will be difficult to control without having to dismantle the indoor part.
  • The object of the invention is to remedy or reduce at least one of the prior art drawbacks, or at least to obtain a useful alternative to prior art.
  • The object is achieved by the features stated in the description below and in the following claims.
  • The invention deviates substantially from all the up to now known methods for cleaning of the indoor part of the climate conditioner as it utilises:
    • a transparent enclosure box in a form stable material,
    • pulsating compressed air (inlet air),
    • mechanical suction function giving a dominating underpressure,
    • no use of chemicals.
  • This results in timesaving and efficient cleaning, and also prolonged lifetime and higher efficiency of the heat exchanger.
  • An enclosure box is placed on the outside of an indoor part as a temporary airtight encapsulation abutting a wall. The enclosure box is made of a transparent material to be able to have a full view of and control with the process up to the point when the air in the enclosure box is clean and the indoor part free of dust. The enclosure box is made of a form stable material because it is to withstand an underpressure.
  • The enclosure box is supplied with air having 8-12 bar pressure, as the air is led through a nozzle/compressed air pipe having an opening and closing valve giving a high pulsating air speed and small airflow.
  • By means of pulsating air pressure waves, the dust comes loose in the indoor part and is forced out into the enclosure box and further to a suction device.
  • The suction device will suck out more air than is blown in. An underpressure will then arise in the enclosure box, and this condition will dominate during the whole process as a balanced pressure/suction function.
  • This method makes it possible to clean the indoor part without the aid of any form of chemical cleaning agents, only dry clean air. This is then only possible with this specially adapted enclosure box.
  • The above points are the most important functions deviating from prior art methods and/or apparatuses.
  • In the following is described an example of a preferred embodiment illustrated in the accompanying drawings, wherein:
    • Fig. 1 shows a cross-section through an indoor part where a device according to the invention is connected; and
    • Fig. 2 shows in perspective an enclosure box setting about being arranged on the indoor part after the front cover is removed.
    Detailed description of the invention
  • An enclosure box 6 is arranged on the outside of an indoor part 1 after the front cover 2 and filter 3 have been removed from the indoor part 1 as shown in fig. 2.
  • The enclosure box 6 is provided with a gasket 7 being squeezed against a wall behind such that dust tightness around the indoor part 1 is formed. The enclosure box 6 is hung off the upper rear edge of the indoor part 1 by means of a fastener 12 as shown in fig. 1.
  • On top of and in front of the enclosure box 6 three longitudinal openings, also called blowing slots 8 being of equal length to the width of the indoor part 1 are arranged and sealed with two opposing bulb gaskets 9, so that the blowing slots 8 becomes tight and that dust does not come out through them.
  • A compressed air pipe 10 is led through the blowing slot 8 and directed toward or led in through the indoor part fan and radiator fins inside the indoor part 1, for in this way to loosen and transport dust out via a suction device 14 shown in fig. 1.
  • To be able to lead the dust out, there is in the left hand side of the enclosure box 6 a suction pipe stub 11. This is arranged remote from the indoor part 1 electronics 5, which in the example shown is arranged on the right hand side so that the dust is led away from the electronics and toward the suction pipe stub in the bottom where it is evacuated.
  • The task of the enclosure box 6 is as mentioned to get all the dust led out of the climate conditioner indoor part 1 without the dust whirling out into the room during the process. The dust is so fine that it has passed through the filters and has settled inside the indoor part 1.

Claims (7)

  1. A device for cleaning of a climate conditioner indoor part (1), comprising a compressed air device (13), a section device (14) and an enclosure box (6) made of a form stable material able to withstand an underpressure, further being arranged to be able to form a temporary airtight encapsulation abutting a wall, and forming a tight chamber around the indoor part (1) and arranged to be able to be supplied with air at a pressure of 8-12 bar via the compressed air device (13), as a compressed air pipe (10) is provided with an opening and closing valve (15) arranged to be able to affect a high pulsating air speed and reduced air flow, the suction device (14) having a capacity exceeding the amount of air supplied for thus to provide an underpressure.
  2. A device according to claim 1,
    characterised in that the enclosure box (6) is provided with a fastener (12) arranged to be able to hold and to force a gasket (7) arranged on the enclosure box (6) against a wall by means of the upper rear edge of the indoor part (1).
  3. A device according to any of claims 1 and 2,
    characterised in that the enclosure box (6) in its top and front is provided with blowing slots (8) having two opposing bulb gaskets (9) and are arranged to be able to receive and in a sealing way enclose the compressed air pipe (10).
  4. A device according to any of claims 1 to 3,
    characterised i n that the enclosure box (6) is provided with a suction pipe stub (11) arranged remote from an electronics part (5) as the suction pipe stub (11) is connected to a suction device (14).
  5. A device according to any of claims 1 to 4,
    characterised in that the enclosure box (6) is made of a transparent, form stable material.
  6. A device according to claim 3,
    characterised in that the compressed air pipe's (10) opening and closing valve (15) is arranged to be able to be led in between the bulb gaskets (10) in the blowing slot (8).
  7. A method for cleaning of a climate conditioner indoor part (1), wherein the method comprises the steps of:
    - forming a tight chamber around the indoor part (1) by means of an enclosure box (6) made of a form stable material able to withstand an underpressure and arranged to form a temporary airtight encapsulation abutting a wall"
    - supplying the enclosure box (6) with air at a pressure of 8-12 bar via a compressed air device (13),
    - pulsating and expanding the compressed air through a compressed air pipe (10) which is provided with an opening and closing valve (15) arranged to be able to give a high, pulsating air speed and reduced air flow, and
    - providing an underpressure within the enclosure box (6) by means of a suction device (14).
EP09830630.1A 2008-12-04 2009-12-03 Cleaning device for a climate conditioner Not-in-force EP2356393B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20085081A NO329066B1 (en) 2008-12-04 2008-12-04 Air conditioner cleaning device.
PCT/NO2009/000415 WO2010064924A1 (en) 2008-12-04 2009-12-03 Cleaning device for a climate conditioner

Publications (3)

Publication Number Publication Date
EP2356393A1 EP2356393A1 (en) 2011-08-17
EP2356393A4 EP2356393A4 (en) 2014-04-09
EP2356393B1 true EP2356393B1 (en) 2015-06-24

Family

ID=42233425

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09830630.1A Not-in-force EP2356393B1 (en) 2008-12-04 2009-12-03 Cleaning device for a climate conditioner

Country Status (6)

Country Link
US (1) US20110226286A1 (en)
EP (1) EP2356393B1 (en)
CN (1) CN102239381B (en)
DK (1) DK2356393T3 (en)
NO (1) NO329066B1 (en)
WO (1) WO2010064924A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963826B1 (en) * 2010-08-13 2012-09-14 Philippe-Marie Joliet DEVICE FOR CLEANING AND DECONTAMINATING AIR CONDITIONING APPARATUS
US20120118327A1 (en) * 2010-11-16 2012-05-17 Rouben Mazmanyan Dust Removal System for Electronic Devices
US10081038B2 (en) 2011-09-26 2018-09-25 Coil Pod LLC Air conditioner condenser coil cleaning: method, combination, apparatus
US10144628B1 (en) * 2013-02-27 2018-12-04 Crossford International, Llc Apparatus and method for collection and disposal of waste-water and debris from air conditioners and other sources
US20140284027A1 (en) * 2013-03-22 2014-09-25 Caterpillar Inc. Heat exchanger cleaning system
CN105485777A (en) * 2016-01-26 2016-04-13 太仓苏晟电气技术科技有限公司 Intelligent air conditioner with automatic dust removing function
FR3065892A1 (en) * 2017-05-03 2018-11-09 Agissant Au Nom Et Pour Le Compte De La Socete Impactair.Co En Cours De Formation Madmoun Safi APPARATUS FOR CLEANING AN AIR CONDITIONER
CN110131867B (en) * 2019-05-27 2024-05-03 珠海格力电器股份有限公司 Shielding device for cleaning air conditioner heat exchanger

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930000A (en) * 1982-08-12 1984-02-17 Nippon Plant Service Center:Kk Cleaning device for tube for heat exchanger
JP3406038B2 (en) * 1993-12-24 2003-05-12 株式会社ビッグデンキ Wall-mounted room air conditioner Indoor unit cleaning equipment
JPH0961092A (en) * 1995-08-22 1997-03-07 Yuuhachirou Kanazawa Method and equipment for cleaning air conditioning machine
JPH11325502A (en) * 1998-05-15 1999-11-26 Fusoo Kasei Kk Cleaning cover for indoor unit of air conditioner
US6195834B1 (en) * 1999-03-25 2001-03-06 David Shteingold Method and apparatus for removing foreign particles
JP2001012897A (en) * 1999-06-30 2001-01-19 Inatome Hizuru Device for washing indoor machine of air conditioner
JP4307638B2 (en) * 1999-07-15 2009-08-05 紀伊産業株式会社 Air conditioner indoor unit cleaning cover
US6305393B1 (en) * 1999-11-04 2001-10-23 Pang Chiech Lin Flushing system with pressurized air
US6295696B1 (en) * 1999-11-29 2001-10-02 Richard Harmon Vacuum apparatus for cleaning condensers and the like
JP2004322032A (en) * 2003-04-28 2004-11-18 Odakyu Dentetsu Kk Cleaning device of air cleaner
WO2007114568A1 (en) * 2006-03-30 2007-10-11 Byung-Sun Yoo Vacuum cleaning apparatus and cleaning method thereof

Also Published As

Publication number Publication date
NO329066B1 (en) 2010-08-09
NO20085081L (en) 2010-06-07
EP2356393A1 (en) 2011-08-17
CN102239381A (en) 2011-11-09
US20110226286A1 (en) 2011-09-22
CN102239381B (en) 2013-08-07
EP2356393A4 (en) 2014-04-09
WO2010064924A1 (en) 2010-06-10
DK2356393T3 (en) 2015-09-21

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