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WO2008041543A1 - Climatiseur et procédé de commande de régénération de filtre pour climatiseur - Google Patents

Climatiseur et procédé de commande de régénération de filtre pour climatiseur Download PDF

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Publication number
WO2008041543A1
WO2008041543A1 PCT/JP2007/068538 JP2007068538W WO2008041543A1 WO 2008041543 A1 WO2008041543 A1 WO 2008041543A1 JP 2007068538 W JP2007068538 W JP 2007068538W WO 2008041543 A1 WO2008041543 A1 WO 2008041543A1
Authority
WO
WIPO (PCT)
Prior art keywords
air conditioner
filter
indoor unit
air
heat
Prior art date
Application number
PCT/JP2007/068538
Other languages
English (en)
Japanese (ja)
Inventor
Daisuke Tanaka
Susumu Kojima
Original Assignee
Mitsubishi Heavy Industries, 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 Mitsubishi Heavy Industries, Ltd. filed Critical Mitsubishi Heavy Industries, Ltd.
Priority to EP07828355.3A priority Critical patent/EP2068090B1/fr
Publication of WO2008041543A1 publication Critical patent/WO2008041543A1/fr

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
    • F24F8/10—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
    • F24F8/15—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 by chemical means
    • 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 and a filter regeneration control method for an air conditioner. More specifically, the present invention can efficiently regenerate a gas adsorption filter while making the most of an existing configuration.
  • the present invention relates to an air conditioner and a filter regeneration control method for the air conditioner.
  • air conditioners are equipped with an air filter for removing gas (odor, volatile organic compounds, VOC (Volatile Organic Compounds), etc.), such as a filter carrying activated carbon or zeolite.
  • gas odor, volatile organic compounds, VOC (Volatile Organic Compounds), etc.
  • the gas removal air filter generally uses an adsorbent. Since these filters have a reduced performance (adsorption power) due to gas adsorption, regular maintenance such as filter replacement, water washing, or sun drying is required.
  • Patent Document 1 a device for treating toilet odors
  • Patent Document 2 an apparatus that can treat indoor odor and regenerate the filter in an air cleaner that is expected to have an effect similar to that of an air filter of an air conditioner.
  • Patent Document 1 Japanese Patent Laid-Open No. 2-128030
  • Patent Document 2 JP-A-10-290829
  • An object of the present invention is to provide an air conditioner capable of regenerating a gas adsorption filter and a filter regeneration control method for the air conditioner.
  • an air conditioner includes a discharge mechanism that discharges the atmosphere in the indoor unit of the air conditioner to the outside of the room in which the indoor unit is arranged.
  • An air conditioner having a gas adsorption filter that adsorbs harmful gas components in the air that is sucked into the indoor unit through the first air inlet, and between the first air inlet and the heat exchanger.
  • a filter holding body for holding the filter, and a heat source for transferring heat to the filter.
  • a discharge mechanism that discharges the atmosphere in the indoor unit of the air conditioner to the outside of the room in which the indoor unit is disposed is often used as a ventilation mechanism.
  • a gas adsorption filter that adsorbs harmful gas components in air sucked through a first intake port generally used in indoor units is a gas adsorbed when heat is applied.
  • the component has the property of desorbing. Therefore, if there is a heat source that applies the heat, the component can be desorbed. Then, the force S that exhausts the gas desorbed by the ventilation mechanism from the room is used.
  • the air conditioner according to the present invention includes the air conditioner! /
  • the heater is attached to the surface of the filter holder.
  • the air conditioner according to the present invention is the air conditioner, wherein the heat source is
  • the heat exchanger has a control means for setting the heat exchanger to a high temperature, closing the louver, and rotating the fan at a low speed.
  • This invention can also transfer heat directly to the gas adsorption filter by devising control means for controlling existing heat exchangers, louvers, and fans. Filter regeneration can be performed at a low cost without adding a simple structure. The higher the temperature of the heat exchanger, the greater the effect, but the safety and reliability of the air conditioner From this viewpoint, an appropriate temperature is selected.
  • the louver improves the indoor unit's sealing performance and helps to discharge the desorbed gas efficiently.
  • the fan is rotated at a low speed from the viewpoint of avoiding a malfunction of the air conditioner (refrigerant system).
  • the air conditioner according to the present invention has a second intake port on the surface of a member constituting the exhaust mechanism in the air conditioner! is there.
  • the air conditioner according to the present invention is such that the gas adsorption filter is positioned between the second intake port and the exhaust mechanism in the air conditioner! It is a thing.
  • the gas adsorption filter force is located between the intake port and the discharge mechanism, the gas adsorption filter is located in the strong air flow, and the desorbed gas is efficiently discharged. .
  • the air conditioner according to the present invention is provided in the air conditioner! /, And the opening of the exhaust mechanism is located in the indoor unit and at least the height of the filter. It is arranged at a height higher than this.
  • the opening of the exhaust mechanism such as a ventilator (exhaust port of the exhaust mechanism) does not need to be particularly limited in terms of disposing the atmosphere inside the indoor unit to the outside, but at least the gas concerned Arranged higher than the height of the adsorption filter, the gas molecules desorbing and rising from the gas adsorption filter are efficiently discharged.
  • the air conditioner according to the present invention is such that the air conditioner is a material from which at least an odor component is desorbed by the heat of the heat source.
  • the odor component can be perceived relatively sensitively by human beings, and tends to cause discomfort and disgust. Therefore, it is important to remove odorous components from gas adsorption filters as industrial products. Therefore, in the present invention, in addition to the above configuration, a material is selected, a material from which at least an odor component is desorbed is used, and the component is desorbed and discharged therefrom.
  • the filter regeneration control method for an air conditioner includes a discharge mechanism that discharges the atmosphere in the indoor unit of the air conditioner to the outside of the room in which the indoor unit is arranged.
  • a gas adsorption filter that adsorbs harmful gas components in the air sucked into the indoor unit through the first air inlet is held by the filter holder between the first air inlet and the heat exchanger.
  • a filter regeneration control method for an air conditioner the control step of rotating the fan of the indoor unit at a low speed, the control step of operating the exhaust mechanism, and the maximum temperature that can be normally set in the heat exchanger And a control process.
  • An air conditioner and a filter regeneration control method for an air conditioner according to the present invention include an air conditioner having a discharge mechanism that discharges the atmosphere in the indoor unit of the air conditioner to the outside of the room in which the indoor unit is arranged. If the device can be given the filter regeneration function and the desorbed gas discharge function of the gas adsorption filter without changing the structure or adding a large structure, there is an effect!
  • FIG. 1 is a perspective view showing the structure of an indoor unit of an air conditioner that is effective in the present invention.
  • FIG. 2 is a cross-sectional view showing the internal structure of the indoor unit.
  • FIG. 3 is a front view showing a configuration of a ventilation device.
  • FIG. 4 is a perspective view showing a duct of a ventilation device.
  • FIG. 5 is an explanatory view showing a filter and a filter holder.
  • Fig. 6 is an explanatory view showing an example of a heater attached.
  • FIG. 7 is an explanatory view showing an example of heater attachment.
  • FIG. 8 is a flowchart showing a specific flow of filter regeneration control.
  • FIG. 1 is a perspective view showing the structure of an indoor unit of an air conditioner according to the present invention.
  • FIG. 2 is a cross-sectional view showing the internal structure of the indoor unit.
  • the indoor unit 1 of this air conditioner has a first intake port 18 for taking in indoor air and indoor air taken in from the first intake port 18.
  • the indoor unit 1 takes in air from the air outlet 10 for returning the air heat-exchanged by the heat exchangers 2, 4, and 12 into the room, and the first air inlet 18.
  • a gas adsorption filter 11 disposed between the fan 15 for blowing the air heat-exchanged from the room 10 into the room and the first air inlet 18 in the vicinity of the upstream side of the air flow path of the indoor heat exchanger 12
  • the ventilator 13 provided on one side of the indoor unit 1 and the indoor unit 1 from the inner front surface to the inner upper surface, passing through the first air inlet 18, and the indoor heat exchangers 12, 2
  • the pre-filter 3 that removes impurities such as dust and dirt from the air led to 4 is mainly configured. Note that the first air inlet 18, the indoor heat exchangers 12, 2, 4, the air outlet 10, the fan 15, and the prefilter 3 are well known in the art, and the description thereof is omitted here. To do.
  • FIG. 3 is a front view showing a configuration of the ventilation device.
  • the ventilator 13 includes a duct 20 having an opening 9 formed in the horizontal direction at the top of the gas adsorption filter 11 and having a discharge fan 5 at the end.
  • the downstream side of the discharge fan 5 communicates with the outside air outside the room where the indoor unit 1 is arranged.
  • the ventilation device 13 has a function as a discharge mechanism that discharges the atmosphere inside the indoor unit 1 of the air conditioner to the outside.
  • the gas adsorption filter 11 is held in a case (frame) as a holding body, and has a function of adsorbing and removing odorous components and toxic components such as VOC contained in the intake air.
  • the ventilator 13 does not need to be particularly restricted in arrangement from the viewpoint of exhausting the atmosphere in the indoor unit 1 to the outside, but the gas adsorption filter 11 is in that it serves as one end of the filter regeneration function. It is preferable to arrange the opening 9 higher than the height of the gas adsorption filter 11 so that the gas molecules desorbed from the gas can be efficiently discharged.
  • the heat exchangers 12, 2 and 4 are used as a heat source for transferring heat to the gas adsorption filter 11. Therefore, the gas adsorption filter 11 is preferably arranged as close as possible to the heat exchangers 12, 2, and 4 as well as being arranged inside the first intake port 18 because of its function.
  • louver 19 of the outlet 10 is closed and the fan 15 is rotated at a low speed. Closing the louver 19 is not absolutely necessary, but it is necessary to prevent the leakage of gas components that are subsequently desorbed and concentrated inside the indoor unit 1, and to prevent the louver 19 from being sealed. Is preferably performed in order to smoothly discharge the gas component by making the inside of the indoor unit negative pressure.
  • the fan 15 is rotated because when the heat exchangers 12, 2, and 4 are heated to a high temperature, almost no heat exchange occurs, so that a large amount of liquid-phase refrigerant flows into the expansion valve, and abnormal noise is generated. It is preferable to carry out some heat exchange to prevent failure of the air-conditioning system because there is a possibility of malfunction.
  • the fan 15 preferably has a minimum output within the allowable refrigerant system load range of the air conditioner.
  • FIG. 8 is a flowchart showing a specific flow of filter regeneration control.
  • the operation of the air conditioner air conditioner
  • step S102 the operation of the air conditioner
  • step S102 the accumulated operation time from the previous filter regeneration control operation
  • step S103 it is determined whether or not the accumulated time has elapsed, for example, 125 hours or more. If it has not elapsed, it is determined that the regeneration control is unnecessary and is terminated.
  • step S104 If the predetermined time or more has elapsed, the fan of the indoor unit is rotated at a low speed and the exhaust fan of the ventilator is operated (step S104). Thereafter, the temperature is controlled to increase the temperature of the heat exchanger (step S105), and if possible, the indoor unit temperature and the duration of the filter regeneration control are measured (step S106), and a certain time, for example, 1 hour has elapsed. If so, it is determined that sufficient filter regeneration has been performed and the control is terminated. Note that a mode for forcibly performing filter regeneration is set separately from the above control flow when forcibly performing filter regeneration regardless of the accumulated operation time from the previous filter regeneration operation. (Step S107).
  • the filter regeneration function of the gas adsorption filter can be provided in the air-conditioning apparatus having the ventilation apparatus without changing the structure.
  • a second air inlet 7 (see FIGS. 1, 3, and 4) may be provided in the front portion of the duct 20 constituting the ventilation device 13. It is a feature.
  • a damper (rotating door) 21 is provided in the second air inlet 7. When the damper 21 is opened, it functions as a normal ventilator that can also suck in air from the second air inlet 7 formed when the damper 21 is opened, and exhaust with a large air volume with low pressure loss.
  • the damper 21 when the damper 21 is closed, in order to efficiently discharge gas molecules that are desorbed from the gas adsorption filter 11 and concentrated in the indoor unit 1, the intake air is sucked from the opening 22 provided above the gas adsorption filter 11. To do.
  • a heater is used as a heat source for transferring heat to the gas adsorption filter 11.
  • various heaters are attached to the filter holder 31.
  • a heating wire (resistance wire) 34 such as a nichrome wire or a Kanthal wire is stretched around the surface of the filter holder 33.
  • a PTC (Positive Temperature Coefficient) heater, an elastomer heater, and other heaters may be attached to the filter holder 33! /.
  • the filter holder 31 as a heat source for regenerating the gas adsorption filter 1 1
  • a heater is provided in 33, the temperature of the gas adsorption filter 11 is directly raised, and the desorption of gas molecules can be promoted efficiently.
  • the filter holders 31 and 33 that are equipped with conventional power are only equipped with a heater, a large-scale structure is not required and the cost can be reduced.
  • the ventilation resistance of the gas adsorption filter 11 does not increase, it is possible to eliminate the need for a design change (such as an increase in the size of a fan or a motor).
  • a heater may be used.
  • the shape of the gas adsorption filter 11 various shapes such as a sheet shape, a pleat shape, a honeycomb shape, and a corrugated shape can be used.
  • Filter materials are based on synthetic fibers such as polypropylene, polyester, and polyamide-based synthetic fibers, and natural fibers such as cellulose and rayon. They support adsorbents such as activated carbon and zeolite, activated carbon fibers, and polyamides. Forces that can be used such as those that have high adsorbing action, such as chloric acid, and those obtained by directly shaping inorganic porous bodies of clay minerals such as cordierite and sepiolite into the above shape. It is preferable that the material is desorbed. This is because the gas adsorption filter 11 is primarily required to remove odor components. Industrial applicability
  • the air conditioner and the filter regeneration control method of the air conditioner according to the present invention discharge the atmosphere in the indoor unit of the air conditioner to the outside of the room in which the indoor unit is arranged. It is useful for an air conditioner having a mechanism and its control.

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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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Air Conditioning Control Device (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne un climatiseur capable de régénérer un filtre d'adsorption de gaz et d'évacuer le gaz sans structure majeure supplémentaire, et un procédé de commande de régénération de filtre pour le climatiseur. Le fonctionnement du climatiseur est initié (étape S101) puis arrêté (étape S102). Ensuite, le temps de fonctionnement accumulé après l'opération de commande de régénération de filtre précédente est vérifié par un minuteur incorporé dans un programme commandé principalement par un ordinateur d'un dispositif de commande. Puis, on détermine si le temps accumulé est supérieur ou égal au temps prédéterminé, c'est-à-dire par exemple 125 heures (étape S103). Si ce n'est pas le cas, on détermine qu'une opération de régénération n'est pas nécessaire et la vérification est terminée. Si le temps accumulé est supérieur ou égal au temps prédéterminé, un ventilateur d'une unité intérieure est tourné à une faible vitesse et un ventilateur d'évacuation de l'air d'un dispositif de ventilation est mis en marche (étape S104). Ensuite, la commande d'élévation de la température est actionnée pour augmenter la température d'un échangeur thermique à un niveau élevé (étape S105).
PCT/JP2007/068538 2006-09-29 2007-09-25 Climatiseur et procédé de commande de régénération de filtre pour climatiseur WO2008041543A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07828355.3A EP2068090B1 (fr) 2006-09-29 2007-09-25 Climatiseur et procédé de commande de régénération de filtre pour climatiseur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006267917A JP5101070B2 (ja) 2006-09-29 2006-09-29 空気調和装置、および空気調和装置のフィルタ再生制御方法
JP2006-267917 2006-09-29

Publications (1)

Publication Number Publication Date
WO2008041543A1 true WO2008041543A1 (fr) 2008-04-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/068538 WO2008041543A1 (fr) 2006-09-29 2007-09-25 Climatiseur et procédé de commande de régénération de filtre pour climatiseur

Country Status (3)

Country Link
EP (1) EP2068090B1 (fr)
JP (1) JP5101070B2 (fr)
WO (1) WO2008041543A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113932317A (zh) * 2021-10-20 2022-01-14 海信（山东）空调有限公司 空气处理装置以及空调器室内机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6044201B2 (ja) * 2012-09-06 2016-12-14 株式会社富士通ゼネラル 脱臭機
CN103691218A (zh) * 2013-11-16 2014-04-02 冯晓宏 过滤器清洁单元、自清洁空气净化设备及其使用方法

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JPH02128030A (ja) 1988-11-05 1990-05-16 Nippon Denso Co Ltd トイレ用脱臭装置
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JPH10290829A (ja) 1997-04-18 1998-11-04 Daikin Ind Ltd 空気清浄用吸着体の再生機、空気清浄装置及び空気清浄システム
JP2001276196A (ja) * 2000-04-03 2001-10-09 Matsushita Electric Ind Co Ltd 空気調和機と脱臭用フィルターの利用方法
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JPH02128030A (ja) 1988-11-05 1990-05-16 Nippon Denso Co Ltd トイレ用脱臭装置
JPH07158877A (ja) * 1993-12-02 1995-06-20 Matsushita Electric Ind Co Ltd 脱臭ユニットおよび脱臭機能付空気調和機
JPH10290829A (ja) 1997-04-18 1998-11-04 Daikin Ind Ltd 空気清浄用吸着体の再生機、空気清浄装置及び空気清浄システム
JP2001276196A (ja) * 2000-04-03 2001-10-09 Matsushita Electric Ind Co Ltd 空気調和機と脱臭用フィルターの利用方法
JP2005265362A (ja) * 2004-03-22 2005-09-29 Matsushita Electric Ind Co Ltd 空気調和機

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See also references of EP2068090A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113932317A (zh) * 2021-10-20 2022-01-14 海信（山东）空调有限公司 空气处理装置以及空调器室内机

Also Published As

Publication number Publication date
EP2068090A4 (fr) 2011-12-21
JP5101070B2 (ja) 2012-12-19
EP2068090B1 (fr) 2013-09-25
EP2068090A1 (fr) 2009-06-10
JP2008089209A (ja) 2008-04-17

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