WO2012035757A1 - Dispositif générateur d'ozone et d'ions destiné à générer de l'ozone et un vent d'ions et climatiseur pourvu de celui-ci - Google Patents

Dispositif générateur d'ozone et d'ions destiné à générer de l'ozone et un vent d'ions et climatiseur pourvu de celui-ci Download PDF

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Publication number
WO2012035757A1
WO2012035757A1 PCT/JP2011/005139 JP2011005139W WO2012035757A1 WO 2012035757 A1 WO2012035757 A1 WO 2012035757A1 JP 2011005139 W JP2011005139 W JP 2011005139W WO 2012035757 A1 WO2012035757 A1 WO 2012035757A1
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WIPO (PCT)
Prior art keywords
ozone
electrode
ion generator
counter electrode
air conditioner
Prior art date
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PCT/JP2011/005139
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English (en)
Japanese (ja)
Inventor
智史 大城
本田　公康
橋田　卓
久美子 鈴木
明莉 畑
Original Assignee
パナソニック株式会社
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Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to JP2012533863A priority Critical patent/JP5899453B2/ja
Priority to CN201180044230.2A priority patent/CN103109136B/zh
Priority to BR112013005787A priority patent/BR112013005787A2/pt
Publication of WO2012035757A1 publication Critical patent/WO2012035757A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T19/00—Devices providing for corona discharge
    • H01T19/04—Devices providing for corona discharge having pointed electrodes
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • 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
    • F24F8/192—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 electrical means, e.g. by applying electrostatic fields or high voltages
    • 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
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • F24F8/26—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media using ozone
    • 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
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Definitions

  • the present invention relates to an ozone / ion generator for generating ozone and ion wind, and an air conditioner including the same.
  • a typical air conditioner has an air inlet on the front and top surfaces of the main body of the indoor unit and an air outlet on the bottom, and an air filter, a heat exchanger, and a blower fan inside the main body.
  • the air is housed, and the air sucked from the suction port by the blower fan is removed by the air filter, and then the heat is exchanged by the heat exchanger and then blown out from the outlet.
  • the ozone generated in the indoor unit only remains in the vicinity of the ozone generator, and there is a problem that ozone does not sufficiently diffuse inside the indoor unit. Accordingly, the propagation of germs and fungi can only be prevented in the vicinity of the ozone generator, which is insufficient to sterilize the entire interior of the indoor unit and prevent the propagation of germs and fungi.
  • the air filter in which dust is collected is generally installed on the upper surface of the indoor unit, and ozone having a higher specific gravity than air cannot actually be filled up to the air filter, and is collected together with dust on the air filter. The collected germs and fungi could not be prevented sufficiently.
  • an object of the present invention is to solve the above-mentioned problem, and an ozone ion generator capable of sufficiently preventing the propagation of germs and fungi by diffusing and sterilizing a sufficient amount of ozone. And it is providing an air conditioner provided with the same.
  • an air conditioner of the present invention includes a main body having a suction port and a blower outlet, a heat exchanger and a blower fan provided in a ventilation path extending from the suction port to the blower outlet, and a main body.
  • an ozone ion generator that generates ozone and ion wind by electric discharge, and the ion wind generated by the ozone ion generator is directed from the outlet side to the inlet side in the ventilation path.
  • an ozone / ion generator is disposed in the main body, and the main body is filled with ozone by ion wind to purify the inside of the main body.
  • the ozone ion generator of the present invention is an ozone ion generator that generates ozone and negative ions by generating corona discharge between a discharge electrode and a counter electrode.
  • the discharge electrode is a needle electrode
  • the counter electrode is an arc-shaped electrode obtained by removing a part from the cylindrical shape centered on the axis of the needle electrode
  • the discharge electrode is placed on the axis of the counter electrode.
  • the needle tip is arranged at a position protruding from the end face of the counter electrode.
  • An air conditioner equipped with the ozone / ion generator of the present invention can sterilize by diffusing a sufficient amount of ozone with the ozone / ion generator, and can sufficiently prevent the growth of germs and fungi.
  • the ozone ion generator of the present invention can increase the amount of released ions, control the amount of generated ozone, and promote the diffusion of ozone using the generated ion wind.
  • FIG. 1 is a cross-sectional view of an air conditioner according to Embodiment 1 of the present invention.
  • 1 is a schematic cross-sectional view of an ozone ion generator according to Embodiment 1 of the present invention.
  • Schematic view seen from arrow S1 direction in FIG. 2A 1 is a schematic cross-sectional view of an ozone ion generator according to Embodiment 1 of the present invention.
  • the 1st invention is arrange
  • the ozone ion generator is arranged in the main body so that the ion wind generated by the ozone ion generator is directed from the outlet side to the inlet side in the ventilation path. It is an air conditioner that purifies the inside of the main body by filling the main body with ozone by ion wind.
  • the ozone ion generator is configured to oxidize oxygen molecules in the air by discharge to generate ozone molecules (O3) and generate ozone as well as to generate positive ions and negative ions by discharge and release them into the air as ion wind. By doing so, the generated ozone can be diffused by the ion wind, and the entire inside of the main body can be filled.
  • O3 ozone molecules
  • each part and each part in the main body of the indoor unit are sterilized by the sterilizing effect of ozone, and the growth of microorganisms such as mold in the main body is suppressed.
  • the deodorizing effect of ozone effectively deodorizes the odor that has soaked into the components in the main body, and prevents the odor from being blown out from the outlet when the air conditioner is started. It becomes possible.
  • a second invention further comprises an air filter provided in the suction port in the first invention, and the main body is filled with ozone using an ion wind generated from an ozone ion generator, whereby the air filter and It is an air conditioner that disinfects the inside of the main body.
  • a suction port is provided in the upper part of the main body, and a blower outlet is provided in the lower part.
  • An air conditioner is provided in the second aspect of the present invention.
  • a louver that opens and closes the air outlet; and a controller that controls the opening and closing of the ozone ion generator and the louver.
  • the controller closes the air outlet by the louver. It is an air conditioner that operates an ozone ion generator.
  • the interior of the indoor unit is sealed or substantially sealed, and ozone can be efficiently filled into the indoor unit.
  • the fifth aspect of the invention is the air conditioner according to the second aspect of the invention, wherein the control unit performs a clean operation for operating the ozone / ion generator while the refrigeration cycle of the air conditioner is stopped.
  • the condensed water condensed in the heat exchanger evaporates in the indoor unit, and the humidity inside the indoor unit becomes high. That is, by operating the ozone / ion generator while the refrigeration cycle is stopped, it is possible to sterilize germs and fungi inside the indoor unit and suppress propagation.
  • the sixth invention is an air conditioner according to the second invention, wherein the ozone ion generator is composed of a discharge electrode and a counter electrode, and the counter electrode surrounds a predetermined range of the outer periphery of the discharge electrode.
  • an ion wind having a wind speed that gives a feeling of air volume can be generated.
  • the counter electrode so as to surround a predetermined range of the outer periphery of the discharge electrode, the traveling direction of the ion wind can be diffused and widened, thereby effectively and uniformly filling the interior of the indoor unit with ozone. Is possible.
  • the seventh invention is the air conditioner according to the sixth invention, wherein the discharge part of the discharge electrode is provided so as to protrude upward from the counter electrode.
  • the ozone ion generator comprises a high voltage generator for applying a DC voltage between the discharge electrode and the counter electrode, and the DC voltage applied by the high voltage generator Is an air conditioner having a range of ⁇ 3 kV to ⁇ 10 kV and a current flowing between the electrodes is larger than 1 ⁇ A and smaller than 30 ⁇ A.
  • the amount of ion generation increases due to the intensity of discharge, and the amount of ion emission increases due to the decrease in the amount of ions trapped by the counter electrode, and the amount of ozone generation can be increased.
  • the amount can be increased together, and it is possible to more reliably fill the air filter with ozone.
  • the air conditioner has a dust collection operation function for releasing ions into the indoor space during operation, and an internal clean operation function for filling the main body with ozone after the operation is stopped.
  • the ventilation path has a suction side air path that communicates with the suction port and a blowout side air path that communicates with the outlet, and the ozone ion generator is disposed at or near the blowout side air path,
  • the ozone ion generator includes a discharge part having a discharge electrode and a counter electrode, and the discharge part is located in the outlet side air passage so that at least the counter electrode is located closer to the inside of the outlet side air passage than the discharge electrode.
  • the ions generated in the blow-out side air channel by the ozone / ion generator are released into the room through the blow-out port, and the dust is collected and stopped. Later, ozone ion generation Ionic wind generated from the location passes through the outlet-side air passage, for internal cleaning operation by facing the suction side air path, an air conditioner.
  • the ozone / ion generator in or near the air outlet side air passage, a large amount of the generated ions can be released into the indoor space without being absorbed by the heat exchanger or the like.
  • the air flow rate and the wind speed passing through the air outlet side in the air outlet side air passage are large, which is suitable for releasing ions into the indoor space.
  • ions generated from the ozone / ion generator flow through the blow-out side air passage by the ion wind and flow toward the suction port side, so that ozone can be reliably diffused inside the indoor unit. Therefore, bacteria, viruses, molds, dust, pollen, etc. floating in the indoor space can be charged and actively taken into the indoor unit.
  • the growth can be suppressed by killing the taken bacteria, virus, and mold with ozone filled in the indoor unit.
  • the present invention since it is not necessary to have a drive unit for diffusion, it is quiet and does not bother operating noises at bedtime.
  • the discharge electrode is a needle electrode
  • the counter electrode is an arc-shaped electrode obtained by removing a part from a cylindrical shape centering on the axis of the needle electrode
  • the discharge electrode Is an air conditioner in which the needle tip of the discharge electrode is disposed on the axis of the counter electrode at a position where the tip of the discharge electrode protrudes from the end surface of the counter electrode.
  • the counter electrode is an arc-shaped electrode that is partly removed from the cylindrical shape centered on the axis of the needle electrode, so that an electrode surface arranged at a uniform distance can be formed, and stable and strong discharge Ozone generation and the presence of the removed surface can increase the amount of ions released.
  • bacteria, viruses, molds, dust, pollen, etc. floating in the indoor space can be charged and can be actively taken into the indoor unit.
  • the growth can be suppressed by killing the taken bacteria, virus, and mold with ozone filled in the indoor unit.
  • An eleventh aspect of the present invention is the ninth or tenth aspect, wherein the ozone ion generator is disposed at a substantially central portion of the outlet side air passage, and the counter electrode is partly formed from a cylindrical shape centering on the axis of the needle electrode. It is an air conditioner that is an arc-shaped electrode that has been removed, and the arc-shaped arc center exists on the windward side of the wind direction.
  • the ozone / ion generator is placed in the substantially central part of the blow-out side air passage, so that it is easy to spread ozone inside the indoor unit, and the ion wind is Since ion wind is generated from the electrode axis toward the counter electrode, ozone spreads from the center into the indoor unit.
  • bacteria, viruses, molds, dust, pollen, etc. floating in the indoor space can be charged and can be actively taken into the indoor unit.
  • the growth can be suppressed by killing the taken bacteria, virus, and mold with ozone filled in the indoor unit.
  • the twelfth invention is the ninth or tenth invention, wherein the ozone ion generator is disposed at the end of the blow-out side air passage, and the counter electrode is partially removed from the cylindrical shape centering on the axis of the needle electrode.
  • the air conditioner is an arc-shaped electrode having an arc-shaped arc center in a range from 0 degrees to 90 degrees in the central direction with respect to the windward side of the wind direction.
  • the majority of the counter electrode exists on the windward side of the discharge electrode, and ions generated by the wind from the blower fan are neutralized by the counter electrode. As a result, a large amount of ions are released into the indoor space.
  • the ozone ion generator is placed at the end of the blowout side air passage, so that it is difficult for wind resistance to occur during the operation of the air conditioner, and from the front of the counter electrode. This reduces the projected area of the wind so that wind resistance can be suppressed.
  • the arc-shaped arc center exists in the range from 0 degrees to 90 degrees in the central direction with respect to the windward side of the wind direction.
  • ozone spreads inside the indoor unit.
  • bacteria, viruses, molds, dust, pollen, etc. floating in the indoor space can be charged and can be actively taken into the indoor unit.
  • the growth can be suppressed by killing the taken bacteria, virus, and mold with ozone filled in the indoor unit.
  • a thirteenth aspect of the invention is an ozone ion generator that generates corona discharge between a discharge electrode and a counter electrode to generate ozone and negative ions.
  • the discharge electrode is a needle electrode
  • the counter electrode is an axis of the needle electrode.
  • Ozone that is an arc-shaped electrode with a part removed from the cylindrical shape centered on the center, and the discharge electrode is arranged on the axis of the counter electrode at a position where the tip of the discharge electrode protrudes from the end surface of the counter electrode ⁇ Ion generator.
  • the counter electrode is an arc-shaped electrode obtained by removing a part from the cylindrical shape centered on the axis of the needle electrode, and the needle tip of the discharge electrode protrudes from the end face of the counter electrode, Since there is no counter electrode in front of the needle tip, which is a simple emission direction, the amount of negative ion emission is increased, the amount of ozone is increased, and the diffusion of generated ozone can be promoted by using ion wind.
  • the fourteenth invention is the ozone ion generator according to the thirteenth invention, wherein the counter electrode is an arc-shaped cylindrical electrode centered on the axis of the needle electrode, and the arc is 90 degrees or more and 270 degrees or less. is there.
  • the arc When the arc is 90 degrees or more and 270 degrees or less, it is possible to generate ion winds with a wide directivity, promote the diffusion of the generated ozone, and high concentrations in the vicinity of the ozone / negative ion generator. Since ozone is not accumulated, safety and deterioration of peripheral members can be suppressed.
  • the counter electrode is an arc-shaped cylindrical electrode centered on the axis of the needle electrode, and the corners of the upper left and right ends are cut out in a fan shape. It is an ion generator.
  • ⁇ Smooth discharge can be generated by smoothing the sharpest part of the arc-shaped cylindrical electrode.
  • a sixteenth aspect of the invention is the ozone ion generator according to the thirteenth aspect of the invention, wherein the counter electrode is an arc-shaped cylindrical electrode centered on the axis of the needle electrode, and the left and right ends are folded outward. It is.
  • ⁇ Stable discharge can be generated by keeping the sharpest corner of the arc-shaped cylindrical electrode away from the tip of the other arc-shaped portion.
  • a seventeenth invention includes a high voltage generator for applying a DC voltage between the discharge electrode and the counter electrode in the thirteenth to sixteenth inventions, and the DC voltage applied by the high voltage generator has a range of ⁇
  • the ozone ion generator has a current of 3 kV or more and ⁇ 10 kV or less and a current flowing between the electrodes is larger than 1 ⁇ A and smaller than 30 ⁇ A.
  • FIG. 1 is a cross-sectional view of an air conditioner including an ozone / ion generator according to Embodiment 1 of the present invention.
  • the ozone / ion generator 8 of the first embodiment will be described.
  • the ozone / ion generator 8 is composed of a discharge electrode and a counter electrode.
  • corona discharge occurs at the tip of the discharge electrode, and from the tip of the discharge electrode toward the inner surface of the counter electrode. Electrons are emitted.
  • the emitted electron flow collides with gas molecules while being accelerated by a high electric field, gives kinetic energy to the gas molecules, and generates air currents as electron-induced wind of air. At this time, some of the electrons are trapped in the outer shell of the gas molecule bond activation and become negatively charged negative ion molecules. Therefore, the electron induction wind becomes an air flow of an ion wind containing negative ion molecules.
  • the ionic wind generated by applying a DC potential to the discharge electrode and the counter electrode becomes an air current that blows out from the discharge electrode through the counter electrode, and the ionic wind containing negative ion molecules is discharged from the discharge electrode.
  • the light can be emitted in a direction toward the counter electrode.
  • the ozone / ion generator 8 is configured to generate ozone and ion wind by discharge.
  • the discharge electrode and the counter electrode are opposed to each other, a high voltage is applied between both electrodes, and corona discharge is performed.
  • an ion wind is generated, it is not particularly limited to the corona discharge method, and various generation methods can be employed.
  • FIGS. 2A and 2B a configuration as shown in FIGS. 2A and 2B can be adopted.
  • 2A is a schematic cross-sectional view of the ozone / ion generator 8
  • FIG. 2B is a schematic view seen from the direction of arrow S1 in FIG. 2A.
  • the ozone / ion generator 8 has a configuration in which a counter electrode 31 formed in a rectangular plate shape and a needle-like discharge electrode 32 are arranged in a balanced manner at a predetermined interval. And the discharge electrode 32 are each connected to a high voltage generator 34 by a conducting wire 33.
  • the ion wind generated by applying a negative potential to the discharge electrode 32 by the high voltage generator 34 becomes an air current blown from the discharge electrode 32 through the counter electrode 31 as shown in FIG.
  • the contained ion wind is discharged in the direction from the discharge electrode 32 toward the counter electrode 31.
  • the ion wind becomes a fan-like air stream from the discharge electrode 32 over the entire length of the counter electrode 31, and ozone generated simultaneously with the ion wind from the ozone / ion generator 8 is generated. Immediately after the generation, it can be diffused in a fan shape around the ozone ion generator by the ion wind.
  • FIGS. 3A and 3B As an example of another ozone / ion generator 8, the configuration shown in FIGS. 3A and 3B can be adopted.
  • FIG. 3A is a schematic cross-sectional view of the ozone / ion generator 8
  • FIG. 3B is a schematic view seen from the direction of arrow S2 in FIG. 3A.
  • the ozone ion generator has a counter electrode 41 formed in a cylindrical shape, a needle-like discharge electrode 42 is disposed at the center of the cylinder, and the counter electrode 41 is disposed on the outer periphery of the discharge electrode 42. It is configured to surround.
  • the ion wind generated by applying a negative potential to the discharge electrode 42 by the high voltage generator 34 becomes an air current blown from the discharge electrode 42 through the counter electrode 41 as shown in FIG.
  • the contained ion wind is discharged in the direction from the discharge electrode 42 toward the counter electrode 41.
  • the counter electrode 41 since the counter electrode 41 is formed in a cylindrical shape, the ion wind becomes a circular air flow generated around the discharge electrode 42, and immediately after the ozone generated simultaneously with the ion wind from the ozone / ion generator 8 is generated.
  • the ion / air can be diffused in a circular shape around the ozone / ion generator 8.
  • a suction port 2 is formed from the front surface to the upper surface, and an air outlet 3 is formed in the lower part.
  • an air filter 4 for removing coarse dust in the air In an air passage connecting the suction port 2 and the air outlet 3, an air filter 4 for removing coarse dust in the air, a blower fan 5 connected to a fan motor (not shown), a heat exchanger 6, Is provided.
  • the air sucked from the suction port 2 of the main body 1 is heat-exchanged by passing through the heat exchanger 6 and cooled or heated. After that, the air is sent to the indoor environment from the blower outlet 3 by the blower fan 5 which is an indoor blower circuit, adjusted to have a predetermined air conditioning, adjusted in a predetermined direction by the louver 7, and then blown out. At this time, dust in the air sucked into the main body 1 is collected by the air filter 4.
  • the air filter 4 is for collecting dust contained in the sucked room air, and is provided so as to cover the suction side of the heat exchanger 6 and is generated by the ozone / ion generator 8. Purified with ozone.
  • the ozone / ion generator 8 has the discharge electrode disposed upstream of the ion wind to be generated and the counter electrode disposed downstream. Accordingly, the air flow direction of the ion wind can be arbitrarily set in the indoor unit depending on the mounting arrangement position of the ozone / ion generator 8.
  • the ozone ion generator 8 is arrange
  • the ozone / ion generator 8 can obtain the same sterilizing effect in the main body 1, for example, in the vicinity of the suction port 2 or the blower fan 5, but in order not to lower the blowing performance of the air conditioner. It is desirable to provide the ozone ion generator 8 in the vicinity of the air outlet 3. By adopting this configuration, it is possible to increase the distance from the blower fan 5 and to suppress the deterioration of the blower performance.
  • the ozone / ion generator 8 may be installed anywhere below the outlet 3 such as the center of the lower side of the outlet 3 or the left or right end, and the installation location is particularly limited by the first embodiment. It is not a thing.
  • the ozone / ion generator 8 is installed on the lower side of the air outlet 3, the discharge electrode of the ozone / ion generator 8 is arranged on the air outlet 3 side, and the counter electrode is arranged on the back side of the main body.
  • the ion wind flows toward the inside of the main body 1, and ozone generated simultaneously with the ion wind is diffused toward the inside of the main body 1 by the air current of the ion wind, and the blower fan 5, heat exchanger 6.
  • Ozone flows and fills in order of the air filter 4. Accordingly, it is possible to fill the entire body 1 with ozone.
  • the ozone / ion generator 8 by arranging the ozone / ion generator 8 so that the flow of the ion wind is upward (on the air filter 4 side), even if the ozone / ion generator 8 is installed at the outlet 3, the ozone
  • ozone diffused upward and having a higher specific gravity than air can be filled up to the vicinity of the air filter 4. Accordingly, the inside of the main body 1 including the air filter 4 can be sterilized effectively.
  • the operation of the refrigeration cycle of the air conditioner is stopped, the outlet 9 is closed by the louver 7 by the control unit 9, the ozone / ion generator 8 is activated, and the clean operation is started.
  • the ozone / ion generator 8 is activated, and a negative voltage is applied to the discharge electrode by a high voltage generator (not shown) to start generation of ion wind and ozone.
  • Ozone is diffused inside the main body 1 by ion wind, and the inside of the main body 1 is sterilized by ozone.
  • the inside of the main body 1 is sealed or substantially sealed, and ozone can be efficiently filled into the main body 1. Therefore, the microorganisms in the main body 1 can be effectively sterilized, and the growth of microorganisms can be suppressed.
  • the ozone / ion generator 8 is stopped and the clean operation ends. After the cooling operation is stopped, the condensed water condensed in the heat exchanger 6 evaporates in the main body 1 and the internal humidity of the main body 1 becomes high. Therefore, it is particularly desirable to perform a clean operation after stopping the cooling operation.
  • Example 1 4 is a front view of an air conditioner in which the ozone / ion generator 8 shown in FIG. 2A is installed at the right end of the air outlet 3, and FIG. 5 is a plan view of the air conditioner as viewed from above.
  • the operation and action of the air conditioner will be described, but the same components as those described above are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • the ozone / ion generator 8 is disposed at the end of the outlet 3, but when the ozone / ion generator 8 is installed at the end of the outlet 3, The problem is that ozone does not fill the opposite end of the air outlet 3 and the end of the upper diagonal air filter 4. Therefore, as shown in FIG. 5, the ozone / ion generator 8 is installed at the right end of the outlet 3 so that the ionic wind flows in a diagonal direction. Can be diffused throughout the body 1 to the opposite end.
  • Example 1 Furthermore, by disposing the ozone / ion generator 8 so that the flow of ion wind is upward, ozone having a higher specific gravity than air can be quickly filled to the vicinity of the air filter 4. Therefore, in Example 1, the inside of the main body 1 including the air filter can be sterilized and deodorized effectively without reducing the air blowing performance of the air conditioner.
  • the width of the counter electrode 31 to about 5 to 10 mm, it was possible to secure an appropriate ion wind directivity and ozone generation amount.
  • the discharge part of the discharge electrode 32 that is, the tip part is made to protrude from the end part of the counter electrode 31, thereby suppressing the amount of ions captured by the counter electrode 31 and releasing ions into the air.
  • the amount can be increased. Accordingly, the amount of ion wind can be increased, ozone can be quickly diffused inside the main body 1, and the air filter 4 can be more effectively filled with ozone.
  • FIG. 6 is a front view of an air conditioner in which the ozone / ion generator 8 shown in FIG. 3A is installed at the center of the air outlet 3, and
  • FIG. 7 is a plan view of the air conditioner as viewed from above.
  • the ozone / ion generator 8 is arranged in the central portion below the air outlet 3 so that ozone can be uniformly diffused from the center of the main body 1 to the surroundings. It is possible to uniformly fill ozone.
  • the discharge part of the discharge electrode 42 that is, the tip part is configured to protrude from the end part of the counter electrode 41, thereby suppressing the amount of ions trapped by the counter electrode 41 and releasing ions into the air.
  • the amount can be increased. Accordingly, the amount of ion wind can be increased, ozone can be quickly diffused inside the main body 1, and the air filter 4 can be more effectively filled with ozone. Thereby, the microorganisms in the main body 1 can be sterilized effectively, and the propagation of microorganisms can be effectively suppressed.
  • FIG. 8 is a schematic diagram of the ozone / ion generator 108 according to the second embodiment.
  • the ozone / ion generator 108 applies a negative high voltage between the discharge electrode 102 and the counter electrode 101 by the high voltage generator 104 to generate corona discharge to generate ozone and negative ions.
  • the counter electrode 101 has an arc shape as shown in FIG.
  • the discharge electrode 102 is disposed on the axis of the counter electrode 101 at a position where the needle tip of the discharge electrode 102 protrudes from the end surface of the counter electrode 101 (projects upward in the drawing).
  • the distance from the discharge electrode 102 is approximately equal and can be discharged evenly on the counter electrode 101 having the arc shape. It becomes possible. Furthermore, as shown in FIG. 10, the upper end corners of the arc-shaped cylindrical electrode are cut into a fan shape, so that the sharpest surface of the nearest part is removed, and stable discharge can be performed. Further, as shown in FIG. 11, the left and right end portions are bent outward, so that the sharpest surface of the closest portion is moved away from the needle tip of the discharge electrode 102, and stable discharge can be performed.
  • the material of the counter electrode 101 includes stainless steel, nickel, aluminum, copper, tungsten, etc., but stainless steel is general-purpose and desirable from the viewpoint of workability.
  • the plate thickness should just be 0.3 mm or more and 2 mm or less. If it is less than 0.3 mm, the strength becomes weak, and the shape is likely to be deformed during the manufacturing process. If it is larger than 1 mm, it is difficult to process.
  • Examples of the material of the discharge electrode 102 include stainless steel, nickel, aluminum, copper, tungsten, and the like. Stainless steel is general-purpose and desirable from the viewpoint of workability.
  • the shape of the discharge electrode 102 has a sharp pointed tip, and the sharper the point, the smaller the amount of ozone generated.
  • the discharge electrode 102 may have a diameter of 0.3 mm or more and 1 mm or less. If it is less than 0.3 mm, it is difficult to make a difference from the tip. Moreover, when it is larger than 1 mm, processing becomes difficult.
  • the high voltage generator 104 applies a negative high voltage between the counter electrode 101 and the discharge electrode 102, but as shown in FIG. 12, the current that flows between the counter electrode 101 and the discharge electrode 102 is a direct current, When a current of 1 ⁇ A or more flows, the amount of ozone generated is 25 ⁇ g / h or more. For example, in a 40 L sealed container, the ozone concentration can be increased to about 30 ppb. Ozone of about 30 ppb is at a level where the odor is slightly felt and is a concentration that is very easy to use. As shown in FIG. 13, when a current of 30 ⁇ A or less flows, the ozone generation amount is about 400 ⁇ g / h.
  • the ozone concentration can be about 100 ppb.
  • the current flowing between the counter electrode 101 and the discharge electrode 102 is preferably 1 ⁇ A or more and 30 ⁇ A or less.
  • FIG. 14 shows the relationship between the applied voltage and the current value when using an ozone ion generator 108 having a cylindrical diameter of 15 mm, an arc angle of 180 degrees, and a protruding length 106 of the needle tip of the discharge electrode 102 of 10 mm. .
  • the current value rises from about -3 kV and corona discharge is started.
  • the current value increases as the applied voltage increases.
  • the applied voltage is increased to ⁇ 10 kV, it is necessary to take sufficient space distance and creepage distance for safety design. Therefore, the ozone / ion generator 108 becomes unsuitable because it becomes large.
  • the applied voltage is more preferably ⁇ 8 kV or less.
  • the high voltage generator 104 can generate the current and the applied voltage, and can maintain safety. Further, it is desirable to have a protection circuit such as a current limit.
  • FIG. 15 shows the relationship between the protrusion length 106, the amount of negative ions generated, and the current value when the ozone ion generator 108 having a cylindrical diameter of 15 mm, an arc angle of 180 degrees, and an applied voltage of ⁇ 6 kV is used.
  • the protruding length 106 of the needle tip of the discharge electrode 102 is negative, that is, when it is at a position lower than the counter electrode 101 in the drawing, the amount of negative ions is small.
  • the protruding length 106 of the needle tip of the discharge electrode 102 becomes positive with respect to zero, that is, when protruding to a position higher than the counter electrode 101 in the drawing, the amount of negative ions increases and the current value decreases remarkably. .
  • the protrusion length 106 is preferably larger than zero. As will be described in detail later, as shown in FIGS. 16 and 17, the protrusion length 106 has a current flowing between the counter electrode 101 and the discharge electrode 102 of 5 ⁇ A even at 13 mm, and is sufficiently ozone. The amount generated can be secured. That is, the amount of ozone generated together with the ions can be secured, and ions and ozone can be made compatible at a practical level.
  • FIG. 16 shows the relationship between the arc angle and protrusion length 106, the amount of negative ions generated, and the current value when the ozone ion generator 108 having a cylinder diameter of 15 mm and an applied voltage of ⁇ 8 kV is used.
  • FIG. 17 shows the relationship between the cylindrical diameter 105 and the protruding length 106, the amount of negative ions generated, and the current value when the ozone ion generator 108 with an applied voltage of ⁇ 8 kV is used.
  • the cylindrical width (the vertical width in the drawing) may be 0.3 mm or more and 5 mm or less. If it is less than 0.3 mm, the strength becomes weak. On the other hand, if it is larger than 5 mm, the generated negative ions are captured by the counter electrode 101, so that the amount of negative ions released is reduced. This tendency decreases as the needle tip protrusion length increases.
  • the closest distance 107 represents the distance between the tip of the discharge electrode 102 and the counter electrode 101. If the closest distance 107 is reduced, the intensity of discharge increases and the current value between the electrodes increases, and if it is increased, the current value between the electrodes decreases.
  • FIG. 18 shows the relationship between the arc angle of the counter electrode of the ozone / ion generator 108 and the ozone concentration in the vicinity of the generator in a 40-liter container that is not sealed but can be protected from the wind. Is shown.
  • the current flowing between the counter electrode 101 and the discharge electrode 102 is 5 ⁇ A.
  • the ozone concentration rises to about 150 ppb.
  • the ozone / ion generator 108 having an arc angle of 90 degrees or more and 270 degrees or less does not exceed 100 ppb near the generator and diffuses ozone well. That is, in order to promote the diffusion of ozone, the arc angle is desirably 90 degrees or more and 270 degrees or less.
  • the conductive wire 103 shown in FIG. 8 is a resin-coated conductive wire.
  • the conductive wire 103 on the discharge electrode side has a pressure-resistant conductive wire such as a fluororesin coating or a silicone resin coating that can withstand a high voltage. desirable.
  • FIG. 19 is a schematic cross-sectional view of an indoor unit of an air conditioner according to the third embodiment.
  • the indoor unit 210 is mainly composed of a suction port 2, a blower outlet 3, a blower fan 5, a heat exchanger 6, a suction port side air passage 211, a blower outlet side air passage 212, and an ozone / ion generator 108.
  • the suction port 2, the air outlet 3, the air inlet side air passage 211, and the air outlet side air passage 212 are formed in the main body 1.
  • the dust collection operation function is that when the blower fan 5 rotates, air is taken from the indoor space into the air inlet side air passage 211 via the air inlet 2 and is cooled by the heat exchanger 6 during the cooling operation, It is warmed during heating operation.
  • the ozone / ion generator 108 is energized to generate ions from the ozone / ion generator 108, and the ions are supplied from the outlet 3 to the indoor space.
  • the dust collection operation function is strongly desired, the operation of increasing the rotational speed of the blower fan 5 is effective from the viewpoint of increasing the amount of released ions and increasing the amount of indoor air taken into the indoor unit 210. Is.
  • this dust collecting operation function can also perform a dust collecting operation only by air blowing by the blower fan 5 without operating the heat exchanger 6.
  • the operation is performed by operating the ozone / ion generator 108.
  • the ozone generated from the ozone / ion generator 108 passes from the ozone / ion generator 108 through the air outlet side air passage 212 to the suction port 2 side.
  • Ozone diffuses into the interior of the indoor unit 210 due to the blowing of ion wind. That is, it can be diffused without operating the blower fan 5, and the internal clean operation can be performed without fan driving noise.
  • the ozone / ion generator 108 is arranged in the lower part of the air outlet side air passage 212, but the top surface portion of the air outlet side air passage 212 and the side surface portion of the air outlet side air passage 212 are arranged. It is also possible to arrange them.
  • the discharge electrode 102 is disposed on the axis of the counter electrode 101 as described with reference to FIG. 8 in the description of the second embodiment. Since the needle tip 102 is arranged at a position where it protrudes from the end face of the counter electrode 101 (projects upward in the drawing), the amount of ions released can be increased even in a no-wind state, and the air volume and wind speed are greatly increased. This is preferable because ions can be stably discharged into the indoor space without being influenced.
  • This ion wind radiates strongly from the discharge electrode 102 toward the counter electrode 101. Further, when the arc angle of the counter electrode 101 is increased, the spread of the ion wind is increased. Conversely, when the arc angle of the counter electrode 101 is decreased, the spread of the ion wind is decreased. In the case where the counter electrode 101 is disposed above the discharge electrode 102, the ion wind is directed upward toward the counter electrode 101. Therefore, it is preferable to incline the needle tip of the discharge electrode 102 toward the blower fan 5 in order to generate ion wind toward the suction port 2 side.
  • the high voltage generator 104 applies a high voltage between the counter electrode 101 and the discharge electrode 102, but is a positive or negative DC voltage. Applying a negative DC voltage is more preferable than applying a positive DC voltage, and ozone is more likely to be generated, and a negative DC voltage is more desirable because it is easier to control the amount of ions released into the room and the amount of ozone generated. Moreover, although a pulse and alternating current can also be used, it is preferable in that the ion wind can be continuously generated by using direct current.
  • FIG. 20A and 20B show the ozone / ion generator 108 incorporated in the air conditioner according to Embodiment 3 of the present invention
  • FIG. 20A is a plan view seen from above the ozone / ion generator
  • FIG. 20B shows ozone.
  • -It is the side view seen from the side of an ion generator.
  • the arc center direction 232 has an inclination of an angle 233 with the upwind direction of the arc center with respect to the upwind direction 231.
  • the windward direction 231 and the arc center direction 232 are substantially the same.
  • ion wind is generated from the axis of the needle electrode toward the counter electrode, so that ozone spreads from the center to the inside of the indoor unit, and the ozone is spread inside the indoor unit. It is suitable for making it.
  • the angle 233 with respect to the upwind direction at the center of the arc is from 0 degrees.
  • the angle is set to 90 degrees, most of the counter electrode 101 can exist on the windward side of the discharge electrode 102 during the operation of the dust collecting operation function. Thereby, it is suppressed that ions generated by the wind from the blower fan are neutralized by the counter electrode, and a large amount of ions are released into the indoor space, which is preferable.
  • ion wind is generated from the axis of the needle electrode toward the counter electrode, so that ozone spreads from the end to the interior of the indoor unit, and ozone enters the interior of the indoor unit. It is suitable for spreading.
  • the ozone / ion generator 108 is installed at the right end as viewed from the front, but can also be installed at the left end.
  • the arc center direction 232 is the windward direction 231. Is symmetric about the axis.
  • one ozone / ion generator 108 is installed at one end of each side, but one ozone / ion generator 108 can be installed at each end of each side. Accordingly, the angle 233 with the upwind direction at the center of the arc becomes smaller.
  • the ion wind radiates strongly from the discharge electrode 102 toward the counter electrode 101. If the arc angle 234 of the counter electrode 101 increases, the spread of the ion wind increases and disperses. Conversely, if the arc angle 234 of the counter electrode 101 decreases, the spread of the ion wind decreases and the local concentration is concentrated. Resulting in. Therefore, the arc angle 234 is preferably 90 degrees to 270 degrees.
  • the counter electrode 101 protrudes from the outlet air passage surface 235 so as to be located closer to the inside of the outlet than the discharge electrode 102, the ion wind is not blocked inside the outlet air passage surface 235. It flows along the outlet air passage surface 235 toward the suction port side.
  • the DC voltage applied by the high voltage generator 104 is within a range of ⁇ 3 kV to ⁇ 10 kV and the current flowing between the electrodes is greater than 1 ⁇ A and less than 30 ⁇ A.
  • the ozone / ion generator and the air conditioner using the ozone / ion generator of the present invention generate ozone and ion wind, and can effectively perform sterilization and deodorization. It can also be used for electrical appliances.

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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)
  • Plasma & Fusion (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

La présente invention concerne un climatiseur, dans le corps principal (1) d'une unité intérieure, doté d'un dispositif générateur d'ozone et d'ions destiné à générer de l'ozone et un vent d'ions par décharge électrique. Le dispositif générateur d'ozone et d'ions est disposé dans ledit corps principal de telle sorte que le vent d'ions généré par le dispositif générateur d'ozone et d'ions se déplace à travers un passage de vent d'un côté sortie vers un côté entrée. En remplissant le corps principal avec de l'ozone au moyen du vent d'ions et en purifiant l'intérieur du corps principal, le dispositif générateur d'ozone et d'ions de la présente invention et le climatiseur pourvu de celui-ci sont capables de stérilisation en diffusant une quantité suffisante d'ozone et d'empêcher suffisamment le développement de moisissure et de bactéries.
PCT/JP2011/005139 2010-09-14 2011-09-13 Dispositif générateur d'ozone et d'ions destiné à générer de l'ozone et un vent d'ions et climatiseur pourvu de celui-ci WO2012035757A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2012533863A JP5899453B2 (ja) 2010-09-14 2011-09-13 オゾンとイオン風を発生させるオゾン・イオン発生装置およびそれを備える空気調和機
CN201180044230.2A CN103109136B (zh) 2010-09-14 2011-09-13 产生臭氧和离子风的臭氧/离子发生装置和具有其的空气调节机
BR112013005787A BR112013005787A2 (pt) 2010-09-14 2011-09-13 dispositivo de geração de ozônio e íon para a geraçãode ozônio e vento iônico, e condicionador de ar incluindo o mesmo

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JP2010205116 2010-09-14
JP2010205117 2010-09-14
JP2010-205117 2010-09-14
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JP5899453B2 (ja) 2016-04-06
CN106225084B (zh) 2019-07-19
CN103109136B (zh) 2016-10-12

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