WO2009157170A1 - 換気装置 - Google Patents
換気装置 Download PDFInfo
- Publication number
- WO2009157170A1 WO2009157170A1 PCT/JP2009/002830 JP2009002830W WO2009157170A1 WO 2009157170 A1 WO2009157170 A1 WO 2009157170A1 JP 2009002830 W JP2009002830 W JP 2009002830W WO 2009157170 A1 WO2009157170 A1 WO 2009157170A1
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- WIPO (PCT)
- Prior art keywords
- air
- electrode
- casing
- dust collection
- dust
- Prior art date
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/12—Plant or installations having external electricity supply dry type characterised by separation of ionising and collecting stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/155—Filtration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
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- 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
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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- 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
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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- 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
- F24F13/20—Casings or covers
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- 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
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- 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
- F24F8/108—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 using dry filter elements
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- 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
- F24F8/167—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 using catalytic reactions
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/16—Connections to a HVAC unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/04—Ionising electrode being a wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/10—Ionising electrode has multiple serrated ends or parts
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- 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
- F24F2221/14—Details or features not otherwise provided for mounted on the ceiling
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- 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
- F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
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- 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 a ventilator, and particularly relates to measures for low pressure loss of circulating air.
- Patent Document 1 This ventilator is installed on the ceiling of a balcony of an apartment house and includes an outside air processing unit and an indoor air processing unit.
- the outside air processing unit is configured by housing a dust collection mechanism, a deodorizing mechanism, and a blower fan in a casing.
- an outdoor air processing part takes in the indoor air and outdoor air which this indoor air processing part took out.
- the outside air processing unit collects the intake air with a dust collecting mechanism, deodorizes it with a deodorizing mechanism, and supplies it to the room.
- the conventional ventilator has a problem that the flow resistance of air is large and the pressure loss is large because the photocatalyst of small beads is used for the deodorizing mechanism. As a result, it is necessary to use a large-capacity blower fan, and there is a problem that the entire apparatus is increased in size.
- the present invention has been made in view of such points, and an object of the present invention is to provide a ventilator with low flow resistance.
- a casing (20) having an outdoor air inlet (21), an indoor air inlet (22), and an air outlet (23), and the casing (20).
- a blower fan (30), and the blower fan (30) sucks the outdoor air and room air into the casing (20) from the respective suction ports (21, 22), and processes the sucked air to process air. It is intended for a ventilator that supplies air to the room from the air outlet (23).
- an electric dust collecting mechanism (40) for removing dust in the intake air is provided.
- a low flow resistance deodorizing mechanism (50) for removing odorous substances in the intake air is provided.
- the blower fan (30) when the blower fan (30) is driven, outdoor air and indoor air are sucked into the casing (20) from the respective suction ports (21, 22).
- the electric dust collection mechanism (40) removes dust in the intake air.
- the low flow resistance deodorization mechanism (50) removes odorous substances in the intake air.
- the treated air treated by the dust collecting mechanism (40) and the deodorizing mechanism (50) is supplied into the room from the blower outlet (23).
- the dust collecting mechanism (40) is arranged in a direction along the air flow in the casing (20) from the suction ports (21, 22) toward the air outlet (23).
- An extending air passage (66, 76) is formed.
- the air passage of the dust collecting mechanism (40) extends in the direction along the air flow, the air flow resistance is small and the pressure loss is low.
- the deodorizing mechanism (50) is arranged along an air flow in the casing (20) from the suction ports (21, 22) toward the blowout port (23).
- An air passage (56) extending in the vertical direction is formed.
- the air passage (56) of the deodorizing mechanism (50) extends in the direction along the air flow, the air flow resistance is small and the pressure loss is low.
- the dust collecting mechanism (40) includes a charging portion (42) and a dust collecting portion (43) for collecting dust charged by the charging portion (42). It is a thing.
- the dust collection part (43) includes a lattice-shaped base (61, 71) having a large number of air passages (66, 76) along the air flow, and an air passage from the base (61, 71).
- dust charged by the charging unit (42) is adsorbed and collected by the first electrode (60), for example.
- the dust collecting part (43) since the dust collecting part (43) has a structure having a large number of air passages (66, 76) along the air flow, the air flow resistance is small and the pressure loss is low.
- the deodorizing mechanism (50) is disposed on the downstream side of the discharge part (51) for generating plasma in the suction air and the discharge part (51). And a catalytic filter (52) that promotes the decomposition of odorous substances in the air.
- the catalyst filter (52) has a number of air passages (56) along the air flow.
- the plasma generated by the discharge part (51) contains a highly reactive substance (active species such as electrons, ions, ozone, radicals, etc.), the air sucked by the highly reactive substance The odor substance in it is removed. Thereafter, when the intake air reaches the catalyst filter (52), a highly reactive substance is further activated to decompose and remove odorous substances in the intake air.
- the catalyst filter (52) has a structure having a large number of air passages (56) along the air flow, the air flow resistance is small and the pressure loss is low.
- the sixth invention is any one of the first to fifth inventions, wherein the casing (20) is installed indoors.
- the casing (20) is installed indoors, so that dust collection and deodorization are performed indoors.
- the air flow resistance is small, so that the pressure loss is reduced. It can be greatly reduced.
- a small-capacity blower fan (30) can be used, and the entire apparatus can be reduced in size.
- the dust collection mechanism (40) is configured by an electric type, and the air along the air flow in the casing (20) from the suction port (21, 22) toward the air outlet (23). Consists of passages (66, 76). As a result, since the air flow resistance of the entire apparatus can be reduced, the pressure loss can be reduced.
- a deodorizing mechanism (50) is comprised by the air path (56) along the air flow in the casing (20) which goes to an air blower outlet (23) from a suction inlet (21, 22). Is done. As a result, since the air flow resistance of the entire apparatus can be reduced, the pressure loss can be reduced.
- the dust collection portion (43) is configured in a lattice structure, so that the air collection port (23, 23) is expanded from the suction port (21, 22) while increasing the dust collection area. ) In the casing (20) towards the air flow along the air flow. As a result, since the air flow resistance of the entire apparatus can be reduced, the pressure loss can be reduced.
- the discharge part (51) of the deodorizing mechanism (50) is constituted by two electrodes, and the catalyst filter (52) of the deodorizing mechanism (50) is constituted by a monolith structure or the like.
- the air passage (56) is formed along the air flow in the casing (20) from the suction port (21, 22) toward the air outlet (23).
- the deodorizing mechanism (50) can reduce the air flow resistance. Accordingly, the entire deodorizing mechanism (50) has a low pressure loss configuration, and the entire apparatus can be reduced in size.
- the pressure loss of the entire system including the duct can be reduced by reducing the flow resistance of the air in the casing (20).
- FIG. 1 is a side cross-sectional view showing the overall configuration of a ventilation device according to Embodiment 1 of the present invention.
- FIG. 2 is a plan sectional view of the ventilator according to the first embodiment.
- FIG. 3 is a perspective view showing the dust collection unit of the first embodiment.
- FIG. 4 is a front view illustrating a charging unit of the dust collection unit according to the first embodiment.
- FIG. 5 is a side view showing the charging unit of the dust collection unit of Embodiment 1 and omitting the side plates.
- FIG. 6 is a perspective view illustrating the dust collection unit of the first embodiment.
- FIG. 7 is an enlarged perspective view illustrating a part of the dust collection unit of the first embodiment.
- FIG. 1 is a side cross-sectional view showing the overall configuration of a ventilation device according to Embodiment 1 of the present invention.
- FIG. 2 is a plan sectional view of the ventilator according to the first embodiment.
- FIG. 3 is a perspective view showing the dust collection
- FIG. 8 is an enlarged cross-sectional side view of a part of the dust collection unit of the first embodiment.
- FIG. 9 is a perspective view showing a catalyst filter of the deodorizing unit of the first embodiment.
- FIG. 10 is a front view illustrating a charging unit of the dust collection unit according to the second embodiment of the present invention.
- FIG. 11 is a side view showing the charging unit of the dust collection unit of Embodiment 2 and omitting the side plate.
- FIG. 12 is an enlarged cross-sectional side view showing a part of the dust collecting portion of Embodiment 3 of the present invention.
- the ventilation device (10) of the first embodiment is installed indoors.
- the ventilator (10) includes a casing (20), a blower fan (30), a dust collecting unit (40), and a deodorizing unit (50) as shown in FIGS.
- the casing (20) is formed in a flat rectangular body having a rectangular top plate and bottom plate, front and rear side plates extending in the width direction, and left and right side plates extending in the longitudinal direction. And the said casing (20) is installed in the back surface (upper surface) of the ceiling (11) of a building.
- the front side plate of the casing (20) is formed with a suction port (21) for sucking outdoor air and a suction port (22) for sucking room air, which are arranged in a row on the left and right sides of the central portion of the rear side plate.
- An air outlet (23) is formed in the upper part.
- a suction unit (14) such as a grill is attached to the wall (13).
- One end of the duct (15) is connected to the indoor air inlet (22), the duct (15) is bent downward, the other end is extended to the ceiling (11), and the grill is formed at the end.
- a suction unit (16) such as is attached to the ceiling (11).
- One end of a duct (17) is connected to the air outlet (23), the duct (17) is bent downward, the other end is extended to the ceiling (11), and a diffuser or the like is provided at the end.
- the blowout unit (18) is attached to the ceiling (11).
- the inside of the casing (20) is configured as a flow passage (24) through which air flows from both suction ports (21, 22) toward the blowout port (23).
- the flow path (24) inside the casing (20) has a chamber (25) and a dust collection unit (40) from the front part of the suction port (21, 22) toward the rear part of the blower outlet (23). ), A deodorizing unit (50), and a blower fan (30) are arranged along the air flow.
- the chamber (25) is formed inside the front side plate.
- the chamber (25) is configured to mix and collect the outdoor air taken in from the outdoor air inlet (21) and the indoor air taken in from the indoor air inlet (22). .
- the blower fan (30) constitutes a fan unit and is provided at the rear and upper part inside the casing (20). Although not shown, the blower fan (30) is configured by one or a plurality of units.
- the dust collection unit (40) is installed adjacent to the chamber (25) on the downstream side of the chamber (25). As shown in FIG. 3, the dust collection unit (40) includes a prefilter (41), a charging unit (42), and a dust collection unit (43) arranged in order from the upstream side to the downstream side of the air, It constitutes an electric dust collection mechanism.
- the pre-filter (41) constitutes a filter for collecting relatively large dust contained in the intake air that is a mixture of outdoor air and indoor air taken into the chamber (25).
- the charging unit (42) constitutes an ionization unit and charges relatively small dust that has passed through the prefilter (41). As shown in FIGS. 4 and 5, the charging portion (42) includes a plurality of discharge electrodes (44) and a plurality of counter electrodes (45). The discharge electrodes (44) and the counter electrodes (45) A direct-current voltage is applied between the two, and the dust in the intake air is charged.
- the discharge electrode (44) is composed of ionized wires, is provided across the left and right ends of the charging portion (42), and is arranged in parallel in the vertical direction.
- the counter electrode (45) is provided across the left and right ends of the charging unit (42), and a plurality of the counter electrodes (45) are arranged in parallel in the vertical direction.
- the discharge electrode (44) is disposed between the counter electrodes (45). Therefore, between the discharge electrode (44) and the counter electrode (45) in the charging part (42), the air flow in the casing (20) from the suction port (21, 22) toward the blowout port (23) It is comprised by the air path extended in the direction along. That is, an air passage parallel to the flow passage (24) in the casing (20) is formed between the discharge electrode (44) and the counter electrode (45), and the air flow resistance is small.
- the dust collecting part (43) adsorbs and collects the dust charged by the charging part (42).
- the dust collecting electrode (60) which is a ground electrode, is used.
- a high-voltage electrode (70) which is a positive electrode.
- One of the dust collection electrode (60) and the high voltage electrode (70) constitutes a first electrode, and the other constitutes a second electrode.
- the dust collection electrode (60) and the high voltage electrode (70) are both made of a conductive resin and are integrally formed by integral molding.
- the dust collection electrode (60) and the high-voltage electrode (70) are basically formed in substantially the same shape, and a part thereof is configured to be insertable.
- Both the dust collection electrode (60) and the high-voltage electrode (70) are preferably a microconductive resin, and the volume resistivity of the resin is preferably 10 8 ⁇ cm or more and less than 10 13 ⁇ cm.
- the dust collection electrode (60) and the high voltage electrode (70) are formed in a rectangular shape, and have one base (61, 71) and a plurality of protrusions (62, 71) protruding from the base (61, 71). 72).
- the base (61, 71) includes a frame (63, 73), a plurality of vertical partition members (64, 74) and a plurality of horizontal partitions provided inside the frame (63, 73). And members (65, 75).
- the frame (63, 73) is formed in a rectangular shape.
- the frame (63) of the dust collection electrode (60) and the frame (73) of the high voltage electrode (70) are fixed to each other at the four corners, and the base (61 ) And the base (71) of the high-voltage electrode (70) are arranged to face each other.
- the bases (61, 71) of the dust collection electrode (60) and the high voltage electrode (70) are arranged in a direction perpendicular to the air flow in the flow passage (24).
- the vertical partition members (64, 74) of the dust collection electrode (60) and the high-voltage electrode (70) extend in the vertical direction, and the horizontal partition members (65, 75) extend in the width direction. , 74) and the horizontal partition members (65, 75) are arranged so as to cross each other vertically and horizontally.
- the base (61, 71) includes a number of air passages (66, 76) surrounded by the frame (63, 73), the vertical partition members (64, 74), and the horizontal partition members (65, 75). ) Is formed.
- the base (61, 71) is formed in a rectangular quadrangular lattice structure by the vertical partition members (64, 74) and the horizontal partition members (65, 75) to form the air passages (66, 76). A large number of cylindrical portions are formed.
- the air passages (66, 76) are configured as passages extending in a direction along the air flow in the casing (20) from the suction port (21, 22) toward the blowout port (23). That is, the air passages (66, 76) are parallel to the flow passage (24) in the casing (20), and have a structure in which air flow resistance is small.
- the vertical partition members (64, 74) of the dust collection electrode (60) and the high voltage electrode (70) are connected to the base (61) of the dust collection electrode (60) and the base (71) of the high voltage electrode (70). Are assembled so as to be positioned on the same plane. Further, the horizontal partition members (65, 75) of the dust collection electrode (60) and the high voltage electrode (70) are composed of a base (61) of the dust collection electrode (60) and a base (71 of the high voltage electrode (70)). ) Are fixed so as to be positioned in a zigzag manner in the vertical direction of FIGS. 7 and 8.
- the horizontal partition member (65) of the dust collecting electrode (60) is located in the center of the air passage (76) of the high voltage electrode (70), and the horizontal partition member (75) of the high voltage electrode (70) is The dust collecting electrode (60) is located at the center of the air passage (66).
- the protrusions (62, 72) are integrally formed with the horizontal partition members (65, 75) and protrude from the horizontal partition members (65, 75).
- the protrusions (62, 72) are formed in a flat plate-like protruding piece having the same thickness as the horizontal partition member (65, 75), and are formed in the air passages (66, 76) of the opposing electrodes (50, 40). It extends.
- the projections (62, 72) are formed in the lateral gaps of the projections (62, 72) so that the vertical partition members (74, 64) of the opposing electrodes (70, 60) are positioned. Yes.
- the protrusions (62, 72) are formed in the air passageway (76, 66). It is located in the center of the interior, and air flows above and below the protrusions (62, 72).
- the protrusion (62) of the dust collecting electrode (60) and the protrusion (72) of the high voltage electrode (70) are formed so that the distance between them is 1.0 mm to 2.0 mm.
- the mutual distance is preferably 1.2 mm.
- the vertical partition members (64, 74) of the dust collection electrode (60) and the high voltage electrode (70) are composed of a base (61) of the dust collection electrode (60) and a base (71 of the high voltage electrode (70)). ) Are fixed and located at a predetermined interval without contacting each other.
- the protrusion (62) of the dust collecting electrode (60) is surrounded by the vertical partition member (74) and the horizontal partition member (75) of the high-voltage electrode (70), and the periphery of the protrusion (62) and the vertical partition member
- the distance between (74) and the horizontal partition member (75) is equal, and the electric field is formed radially in the cross section of the air passage (76).
- the protrusion (72) of the high-voltage electrode (70) is surrounded by the vertical partition member (64) and the horizontal partition member (65) of the dust collecting electrode (60), and the periphery of the protrusion (62) and the vertical partition member
- the distance between (64) and the horizontal partition member (65) is equal, and the electric field is formed radially in the cross section of the air passage (66).
- a DC voltage is applied between the dust collection electrode (60) and the high voltage electrode (70) to generate an electric field from the dust collection electrode (60) and the high voltage electrode (70), thereby collecting charged dust. It is adsorbed on the dust electrode (60).
- the deodorizing unit (50) is installed from the dust collection unit (40) to the blower fan (30) on the downstream side of the dust collection unit (40). That is, the deodorizing unit (50) is provided from the air outlet (23) on the back surface of the dust collecting unit (40) to the suction port on the lower surface of the blower fan (30). And the said deodorizing unit (50) comprises the discharge part (51) and the catalyst filter (52) in order from the upstream of air to the downstream, and comprises the deodorizing mechanism of low flow resistance.
- the discharge part (51) has a discharge electrode and a counter electrode, not shown, and the discharge electrode is disposed between the counter electrodes.
- the counter electrode is composed of, for example, a linear or rod-like electrode, and is disposed so as to be substantially parallel to the counter electrode. That is, between the discharge electrode and the counter electrode in the discharge part (51), the air extends in the direction along the air flow in the casing (20) from the suction port (21, 22) toward the blowout port (23). It is constructed in the passage. That is, an air passage parallel to the flow passage (24) in the casing (20) is formed between the discharge electrode and the counter electrode, and the air flow resistance is small.
- the discharge unit (51) is configured to cause streamer discharge.
- the discharge part (51) When the discharge part (51) generates streamer discharge, low temperature plasma is generated. Since this low-temperature plasma contains highly reactive substances (active species such as electrons, ions, ozone, radicals, etc.), the highly reactive substances in the low-temperature plasma are odorous substances including harmful substances in the air. Disassemble and remove.
- the catalyst filter (52) is disposed on the downstream side of the discharge part (51) and adjacent to the lower surface suction port of the blower fan (30). As shown in FIG. 9, the catalyst filter (52) carries a catalyst on the surface of a base material (53).
- the base material (53) is configured in a monolith structure in which a large number of partition members (55) are formed vertically and horizontally inside a rectangular frame member (54), and the partition member is disposed inside the frame member (54).
- a number of air passages (56) are formed by (55).
- the air passage (56) is configured as a passage extending in a direction along the air flow in the casing (20) from the suction port (21, 22) toward the blowout port (23). That is, the air passage (56) is a passage parallel to the flow passage (24) in the casing (20), and has a structure with a small air flow resistance.
- a catalyst such as a manganese-based catalyst or a noble metal-based catalyst that further activates a highly reactive substance in low-temperature plasma generated by discharge and promotes decomposition and removal of odorous substances in the intake air is used.
- a pressure sensor (80) is installed in the room.
- the pressure sensor (80) detects the pressure in the room and transmits the detected pressure to the controller (81).
- the controller (81) controls the air volume of the blower fan (30) so that the room has a positive pressure.
- a DC voltage is applied between the discharge electrode (44) of the charging part (42) and the counter electrode (45), while the dust collection electrode (60) of the dust collection part (43) ) And a high-voltage electrode (70).
- the suction air passes through the pre-filter (41), and relatively large dust contained in the suction air is collected.
- the intake air that has passed through the prefilter (41) flows to the charging section (42).
- relatively small dust that has passed through the prefilter (41) is charged. For example, the dust is charged to the positive electrode, and the charged dust flows downstream.
- the charged dust flows to the dust collecting part (43) and flows through the air passages (66, 76) of the base (61, 71) of the dust collecting electrode (60) and the high voltage electrode (70). That is, the frame (63, 73), vertical partition member (64, 74), and horizontal partition member (65, 75) in the base (61, 71) of the dust collection electrode (60) and high voltage electrode (70) Room air flows through the formed air passages (66, 76), and room air flows around the projections (62, 72) of the dust collection electrode (60) and the high-voltage electrode (70).
- the dust collecting electrode (60) is, for example, a ground electrode and set to the negative electrode, dust charged to the positive electrode is adsorbed to the dust collecting electrode (60). That is, the dust is adsorbed on the inner surface of the frame (63), the surface of the vertical partition member (64), the surface of the horizontal partition member (65), and the surface of the protrusion (62) in the dust collection electrode (60).
- the deodorizing unit (50) low temperature plasma is generated by the streamer discharge in the discharge part (51).
- the intake air that has flowed through the dust collection unit (40) flows to the deodorization unit (50) and flows in the streamer discharge. Since the low-temperature plasma contains highly reactive substances (active species such as electrons, ions, ozone, and radicals), odorous substances including harmful substances in the intake air are removed by the highly reactive substances. . Thereafter, the intake air flows to the catalyst filter (52). When the highly reactive substance reaches the catalyst filter (52), it is further activated to decompose and remove odorous substances in the intake air.
- the clean treated air from which the dust and toxic substances have been removed flows through the blower fan (30) and is blown into the room through the blowout port (23).
- Embodiment 1 As described above, according to the first embodiment, since the electric dust collection unit (40) and the low-flow resistance deodorizing unit (50) are provided in the casing (20), the flow resistance of air is reduced. Is small, the pressure loss can be greatly reduced. As a result, a small-capacity blower fan (30) can be used, and the entire apparatus can be downsized.
- the duct for taking in outdoor air and the like and the processing air are supplied to the room. Therefore, it is necessary to connect a duct for this purpose, and the air flow resistance by the duct increases. Therefore, the pressure loss of the entire system including the duct can be reduced by reducing the air flow resistance in the casing (20).
- the dust collection unit (40) is an electric type, and the charging unit (42) and the dust collection unit (43) are each composed of two electrodes, so that air can be blown from the suction ports (21, 22). It consists of an air passage along the air flow in the casing (20) toward the outlet (23). As a result, since the dust collection unit (40) can reduce the air flow resistance, the pressure loss can be reduced.
- the dust collection part (43) is configured in a lattice structure, the dust collection part (43) is arranged in the casing (20) from the inlet (21, 22) toward the air outlet (23) while expanding the dust collection area. Air passages (66, 76) along the air flow. As a result, since the dust collection unit (40) can reduce the air flow resistance, the pressure loss can be reduced.
- the discharge part (51) of the deodorizing unit (50) is composed of two electrodes
- the catalyst filter (52) of the deodorizing unit (50) is composed of a monolith structure, so that the suction port (21 , 22) and an air passage (56) along the air flow in the casing (20) from the air outlet (23).
- the deodorizing unit (50) can reduce the air flow resistance. Therefore, the entire deodorizing unit (50) has a low pressure loss configuration, and the entire apparatus can be reduced in size.
- the second embodiment is a sawtooth instead of the first embodiment in which the discharge electrode (44) of the charging unit (42) in the dust collection unit (40) is configured by an ionization line. It is formed on the electrode.
- the discharge electrode (44) includes an electrode rod (46) and a needle member (47) formed on the electrode rod (46).
- the electrode rod (46) is provided across the left and right ends.
- the needle member (47) is formed in a plurality so as to protrude toward the counter electrode (45). That is, the needle member (47) protrudes upward and downward. Therefore, discharge is performed from the needle member (47) toward the counter electrode (45).
- Other configurations, operations, and effects are the same as those in the first embodiment.
- Embodiment 3 of the Invention Next, Embodiment 3 of the present invention will be described in detail based on the drawings.
- both the dust collecting electrode (60) and the high voltage electrode (70) of the dust collecting section (43) in the dust collecting unit (40) are electrically conductive resin.
- the dust collecting electrode (60) is made of a conductive metal.
- the dust collection electrode (60) is made of a sheet metal such as stainless steel, while the high voltage electrode (70) is made of a conductive resin as in the first embodiment.
- the dust collection electrode (60) is formed in a rectangular shape as in the first embodiment, and includes one base (61) and a number of protrusions (62).
- the base (61) A body (63), a plurality of vertical partition members (64), and a plurality of horizontal partition members (65) are provided.
- the said protrusion (62), a frame (63), a vertical partition member (64), and a horizontal partition member (65) are each formed with the sheet metal of the electroconductive metal.
- the projection (62) of the dust collecting electrode (60) extends into the air passage (76) of the high voltage electrode (70) as in the first embodiment, and the projection (72) of the high voltage electrode (70) As in the first embodiment, it extends into the air passage (66) of the dust collecting electrode (60).
- the dust collection electrode (60) is formed of a conductive metal, the plate thickness can be reduced as compared with the resin, so that the integration efficiency can be improved, and the device The overall size can be reduced.
- Other configurations, operations, and effects are the same as those in the first embodiment.
- the dust collecting electrode (60) is formed of a conductive metal and the high voltage electrode (70) is formed of a conductive resin.
- the dust collecting electrode (60) is formed of a conductive resin
- the electrode (70) may be formed of a conductive metal.
- the present invention may be configured as follows with respect to the first embodiment.
- the catalyst filter (52) of the deodorizing unit (50) has a monolithic structure.
- the catalyst filter (52) may have a corrugated structure in addition to the honeycomb structure.
- the catalyst filter (52) only needs to have an air passage along the air flow in the casing (20) from the inlet (21, 22) toward the air outlet (23).
- the deodorizing unit (50) includes a discharge part (51) and a catalyst filter (52). However, the deodorizing unit (50) may include only the discharge part (51). That is, you may comprise so that it may carry out to decomposition
- the deodorizing unit (50) may be provided with only the catalyst filter (52). That is, the catalyst filter (52) is provided with activated carbon or the like, and the catalyst filter (52) may be configured to perform decomposition of odorous substances.
- the discharge part (51) of the deodorizing unit (50) is not limited to the streamer discharge, and various discharge forms such as pulse discharge may be adopted.
- the present invention is useful for a ventilation device that performs dust collection and deodorization.
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Abstract
Description
図1~図9に示すように、本実施形態1の換気装置(10)は、室内に設置されるものである。
次に、上述した換気装置(10)の換気動作について説明する。
以上のように、本実施形態1によれば、ケーシング(20)内に電気式の集塵ユニット(40)と低流通抵抗の脱臭ユニット(50)とを設けるようにしたために、空気の流通抵抗が小さいので、圧力損失を大幅に低減することができる。この結果、小容量の送風ファン(30)を用いることができ、装置全体の小型化を図ることができる。
次に、本発明の実施形態2を図面に基づいて詳細に説明する。
次に、本発明の実施形態3を図面に基づいて詳細に説明する。
本発明は、上記実施形態1について、以下のような構成としてもよい。
20 ケーシング
30 送風ファン
40 集塵ユニット(集塵機構)
42 荷電部
43 集塵部
50 脱臭ユニット(脱臭機構)
51 放電部
52 触媒フィルタ
56 空気通路
60 集塵電極
70 高圧電極
61,71 基台
62,72 突起
66,76 空気通路
Claims (6)
- 室外空気の吸込口(21)と室内空気の吸込口(22)と空気の吹出口(23)とが形成されたケーシング(20)と、該ケーシング(20)に収納された送風ファン(30)とを備え、該送風ファン(30)によって上記室外空気及び室内空気を各吸込口(21,22)からケーシング(20)内に吸い込み、吸込空気を処理して処理空気を吹出口(23)から室内に供給する換気装置であって、
上記ケーシング(20)内に設けられ、吸込空気中の塵埃を除去する電気式の集塵機構(40)と、
上記ケーシング(20)内に設けられ、吸込空気中の臭気物質を除去する低流通抵抗の脱臭機構(50)とを備えている
ことを特徴とする換気装置。 - 請求項1において、
上記集塵機構(40)は、両吸込口(21,22)から吹出口(23)に向かうケーシング(20)内の空気流れに沿った方向に延びる空気通路(66,76)が形成されている
ことを特徴とする換気装置。 - 請求項1又は2において、
上記脱臭機構(50)は、両吸込口(21,22)から吹出口(23)に向かうケーシング(20)内の空気流れに沿った方向に延びる空気通路(56)が形成されている
ことを特徴とする換気装置。 - 請求項2において、
上記集塵機構(40)は、荷電部(42)と、該荷電部(42)で帯電した塵埃を捕集する集塵部(43)とを備え、
上記集塵部(43)は、空気流れに沿った多数の空気通路(66,76)を有する格子状の基台(61,71)と、該基台(61,71)から空気通路(66,76)の軸方向と平行に延びる多数の突起(62,72)とを備えた第1電極(60)及び第2電極(70)を備え、該第1電極(60)の突起(62)が第2電極(70)の空気通路(76)の内部に延び、上記第2電極(70)の突起(72)が第1電極(60)の空気通路(66)の内部に延びている
ことを特徴とする換気装置。 - 請求項3において、
上記脱臭機構(50)は、吸込空気中にプラズマを発生させる放電部(51)と、該放電部(51)の下流側に配置されて吸込空気中の臭気物質の分解を促進する触媒フィルタ(52)とを備え、
上記触媒フィルタ(52)は、空気流れに沿った多数の空気通路(56)が形成されている
ことを特徴とする換気装置。 - 請求項1において、
上記ケーシング(20)は、室内に設置されている
ことを特徴とする換気装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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AU2009263696A AU2009263696B2 (en) | 2008-06-24 | 2009-06-22 | Ventilator |
US13/001,069 US20110111691A1 (en) | 2008-06-24 | 2009-06-22 | Ventilator |
CN2009801221723A CN102057227B (zh) | 2008-06-24 | 2009-06-22 | 换气装置 |
EP09769880.7A EP2309198A4 (en) | 2008-06-24 | 2009-06-22 | Ventilation device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008-164097 | 2008-06-24 | ||
JP2008164097A JP2010007871A (ja) | 2008-06-24 | 2008-06-24 | 換気装置 |
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WO2009157170A1 true WO2009157170A1 (ja) | 2009-12-30 |
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PCT/JP2009/002830 WO2009157170A1 (ja) | 2008-06-24 | 2009-06-22 | 換気装置 |
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US (1) | US20110111691A1 (ja) |
EP (1) | EP2309198A4 (ja) |
JP (1) | JP2010007871A (ja) |
KR (1) | KR20100133478A (ja) |
CN (1) | CN102057227B (ja) |
AU (1) | AU2009263696B2 (ja) |
WO (1) | WO2009157170A1 (ja) |
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- 2009-06-22 EP EP09769880.7A patent/EP2309198A4/en not_active Withdrawn
- 2009-06-22 CN CN2009801221723A patent/CN102057227B/zh not_active Expired - Fee Related
- 2009-06-22 KR KR1020107025300A patent/KR20100133478A/ko not_active Application Discontinuation
- 2009-06-22 AU AU2009263696A patent/AU2009263696B2/en not_active Ceased
- 2009-06-22 US US13/001,069 patent/US20110111691A1/en not_active Abandoned
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Cited By (2)
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WO2012035033A1 (de) * | 2010-09-15 | 2012-03-22 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Vorrichtung zur erzeugung eines elektrischen feldes in einem abgassystem |
US8790448B2 (en) | 2010-09-15 | 2014-07-29 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Device for producing an electrical field in an exhaust gas system |
Also Published As
Publication number | Publication date |
---|---|
JP2010007871A (ja) | 2010-01-14 |
CN102057227A (zh) | 2011-05-11 |
AU2009263696A1 (en) | 2009-12-30 |
EP2309198A4 (en) | 2018-03-21 |
EP2309198A1 (en) | 2011-04-13 |
AU2009263696B2 (en) | 2012-12-06 |
US20110111691A1 (en) | 2011-05-12 |
KR20100133478A (ko) | 2010-12-21 |
CN102057227B (zh) | 2013-12-11 |
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