WO2014007558A1 - Collecteur de poussière - Google Patents

Collecteur de poussière Download PDF

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Publication number
WO2014007558A1
WO2014007558A1 PCT/KR2013/005944 KR2013005944W WO2014007558A1 WO 2014007558 A1 WO2014007558 A1 WO 2014007558A1 KR 2013005944 W KR2013005944 W KR 2013005944W WO 2014007558 A1 WO2014007558 A1 WO 2014007558A1
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WO
WIPO (PCT)
Prior art keywords
dust collector
electrode
air
collector according
disposed
Prior art date
Application number
PCT/KR2013/005944
Other languages
English (en)
Inventor
Yang Hwa Lee
Ok Chun Hyun
Jin Hyouk Shin
Yee Kyeong Jung
Hoon Cheol Jeon
Sung Hwa Lee
Hyung Ho Park
Original Assignee
Lg Electronics Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc. filed Critical Lg Electronics Inc.
Publication of WO2014007558A1 publication Critical patent/WO2014007558A1/fr

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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
    • B03C3/09—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
    • 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
    • B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
    • 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
    • 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
    • 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
    • B03C3/32—Transportable units, e.g. for cleaning room air
    • 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
    • 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
    • B03C3/41—Ionising-electrodes
    • 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
    • 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
    • B03C3/60—Use of special materials other than liquids
    • 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
    • F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
    • 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
    • F24F1/008—Indoor units, e.g. fan coil units with perfuming or deodorising means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—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
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B03C2201/08—Ionising electrode being a rod
    • 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
    • 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 dust collector, and more particularly to a high-efficiency electric dust collector.
  • An air conditioner is an apparatus that generally cools or heats an indoor space using a refrigeration cycle constituted by a compressor, an outdoor heat exchanger, an expansion valve, and an indoor heat exchanger. That is, the air conditioner may be configured with a cooler to cool the indoor space, and a heater to heat the indoor space. In addition, the air conditioner may be an air conditioner that is capable of both heating and cooling the indoor space.
  • the indoor unit of such an air conditioner is provided with a dust collector to collect and eliminate foreign substances such as dust floating in the air.
  • the dust collector may come in various shapes. Recently, an electric dust collector that collects foreign substances by charging the foreign substances is used.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a dust collector capable of efficiently removing foreign substances from air without reducing air flow.
  • a dust collector including at least one electrode formed of a carbon fiber to generate ions by ionizing molecules in air, a charged dust collecting filter to collect foreign substances charged by ions generated by the electrode, and a grounded ion trap to collect the ions generated by the electrode.
  • a dust collector including an electrode allowing a current of a high voltage to be applied thereto and formed of at least one carbon fiber, a charged dust collecting filter disposed at a rear side of the electrode, and a ion trap disposed at a rear side of the dust collecting filter and configured with a grounded metallic member.
  • FIG. 1 is a front view showing an air conditioner according to an exemplary embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing the air conditioner of FIG. 1.
  • FIG. 3 is a front view showing a dust collector according to one embodiment of the present invention.
  • FIG. 4 is a partial cross-sectional view showing the dust collector shown in FIG. 3;
  • FIG. 5 is a perspective view showing an ionizer according to an embodiment of the present invention.
  • FIG. 6 is a detailed view showing a part of the ionizer shown in FIG. 5;
  • FIG. 7 is a front view showing a dust collector according to another embodiment of the present invention.
  • FIG. 8 is a perspective view showing an air conditioner according to another embodiment of the present invention.
  • FIG. 9 is a cross-sectional view showing the air conditioner shown in FIG. 8.
  • FIG. 10 is a perspective view showing a dust collector according to anther embodiment of the present invention.
  • FIG. 1 is a front view showing an air conditioner according to an exemplary embodiment of the present invention
  • FIG. 2 is a cross-sectional view showing the air conditioner of FIG. 1.
  • the air conditioner 100 includes a cabinet 110, a dust collector 120 disposed inside the cabinet 110 to remove foreign substances from the moving air, an air blower 130 to force the air to flow, and a heat exchanger 140 to cause heat to be exchanged between the air blown by the air blower 130 and a refrigerant to adjust temperature.
  • the air conditioner 100 is a floor standing indoor unit.
  • the cabinet 110 includes a cabinet body 111, a cabinet cover 114 disposed at and coupled to the front of the cabinet body 111, a lower front panel 113 coupled to the cabinet body 111 and provided with an air suction portion 116 allowing external air to be suctioned into the cabinet 110 therethrough, and an upper front panel 112 coupled to the cabinet body 111 and provided with an air discharge portion 115 allowing the air in the cabinet 110 to be discharged to the outside.
  • the dust collector 120 ionizes molecules in the air, charges foreign substances with produced ions, and collects the charged foreign substances.
  • the dust collector 120 will be described later in detail with reference to FIGS. 3 and 4.
  • the air blower 130 is disposed in the cabinet 110.
  • the air blower 130 blows air such that air outside the cabinet 110 is suctioned into the cabinet 110, passes through the dust collector 120 and the heat exchanger 140, and is then discharged outside the cabinet 110.
  • the air blower 130 includes a motor 132 to generate rotational power, and a fan 131 rotated by the motor 132.
  • the heat exchanger 140 causes heat exchange to occur between the air and a refrigerant to cool or heat the air.
  • the refrigerant evaporates in the heat exchanger 140, the air is cooled.
  • the refrigerant condenses, the air is heated.
  • the heat exchanger 140 may include a pipe (not shown) through which the refrigerant flows, and a cooling fin (not shown) coupled to the pipe.
  • the heat exchanger 140 is formed of a metallic material.
  • the air flows as follows.
  • the fan 131 When the fan 131 is rotated by operation of the motor 132, the external air is introduced into the cabinet 110 through the air suction portion 116. While air introduced into the cabinet 110 passes through the dust collector 120, foreign substances are removed therefrom. The air from which the foreign substances are removed is transferred to the heat exchanger 140 according to rotation of the fan 131. The air is cooled or heated when it exchanges heat with the refrigerant in the heat exchanger 140. The air having exchanged heat with the refrigerant is discharged from the cabinet 110 through the air discharge portion 115.
  • FIG. 3 is a front view showing a dust collector according to one embodiment of the present invention
  • FIG. 4 is a partial cross-sectional view showing the dust collector shown in FIG. 3.
  • the dust collector 120 includes a dust collector case 121 forming a flow channel allowing air to flow therethrough, an ionizer 122 to ionize molecules in the air to produce ions, a charged dust collecting filter 123 to collect foreign substances charged by ions produced by the ionizer 122, and a grounded ion trap 124 to collect the ions.
  • a flow channel is formed in the dust collector case 121 to allow the air suctioned through the air suction portion 116 to flow to the air blower 130.
  • the dust collector case 121 is formed in a hollow shape to allow the air suction portion 116 to communicate with the air blower 130.
  • the dust collector case 121 is formed in a hexahedral shape having open opposite faces.
  • the dust collector case 121 is partitioned into a plurality of sections, and the ionizer 122 is disposed in one of the sections.
  • the ionizer 122 is preferably disposed at the center of a dust collecting section 127 at the lower portion of the dust collector case 121.
  • a sterilization filter 128 to eliminate germs and/or a deodorization filter 129 to eliminate odor may be disposed at a portion where the ionizer 122 is not disposed.
  • the sterilization filer 128 and the deodorization filter 129 are disposed at an upper portion of the dust collector case 121.
  • the dust collector case 121 is partitioned into sections, by a cross sectional plane perpendicular to the air flow direction, such that different functions are performed in each section .
  • One of the sections is a dust collecting section 127, in which the ionizer 122, the dust collecting filter 123, and the ion trap 124 may be disposed.
  • the sterilization filter 128 may be disposed.
  • the deodorization filter 129 may be disposed.
  • the ionizer 122, the sterilization filter 128, and the deodorization filter 129 are disposed in the same plane perpendicular to the air flow direction. However, in another embodiment, they may be sequentially disposed along the air flow direction. That is, the sterilization filter 128 and the deodorization filter 129 are sequentially disposed in the air flow direction, and then the ionizer 122 may be disposed.
  • the ionizer 122, the dust collecting filter 123, and the ion trap 124 are sequentially arranged in the air flow direction.
  • the ionizer 122 generates high voltage, causing electrical discharge at an electrode and thus ionizing molecules in the air.
  • the ions produced by the ionizer 122 charges foreign substances.
  • the ionizer 122 is disposed in the middle of the dust collecting section 127. A detailed description of the ionizer 122 will be given later with reference to FIGS. 5 and 6.
  • the charged foreign substances are collected in the dust collecting filter 123.
  • the dust collecting filter 123 is disposed at the back of the ionizer 122 along the air flow direction.
  • the dust collecting filter 123 is formed of a resin material having small channels through allowing air to flow therethrough.
  • the dust collecting filter 123 is positively and/or negatively charged. A positively charged portion of the dust collecting filter 123 captures negatively charged foreign substances, while a negatively charged portion of the dust collecting filter 123 captures positively charged foreign substances.
  • the dust collecting filter 123 As the dust collecting filter 123 is charged, the dust collecting filter 123 is preferably spaced a proper distance from the ionizer 122 such that the dust collecting filter 123 does not affect electrical discharge of the ionizer 122.
  • the ion trap 124 collects ions generated by the ionizer 122.
  • the ion trap 124 is formed by a grounded metallic body to collect ions.
  • the ion trap 124 is formed in the shape of a metallic mesh. The ions are reduced in the ion trap 124.
  • the ion trap 124 collects and removes ions which are not used in charging foreign substances to prevent the ions from adversely affecting human health.
  • the ion trap 124 is disposed at the back of the dust collecting filter 123 along the air flow direction. Depending on embodiments, the ion trap 124 may be disposed at the front of or in the dust collecting filter 123.
  • the ion trap 124 may be disposed close to and spaced apart from the dust collecting filter 123.
  • the distance between the ionizer 122 and the dust collecting filter 123 is greater than the distance between the dust collecting filter 123 and the ion trap 124.
  • the ion trap 124 may be omitted and instead the heat exchanger 140 formed of a metallic material may be used. That is, the heat exchanger 140 may be grounded such that ions are collected by the heat exchanger 140.
  • FIG. 5 is a perspective view showing an ionizer according to an embodiment of the present invention
  • FIG. 6 is a detailed view showing a part of the ionizer shown in FIG. 5.
  • the ionizer 122 includes a circuit 122c to generate high voltage, a circuit case 122d to surround the circuit 122c, an electrode 122a disposed outside of the circuit case 122d to discharge electricity according to high voltage generated by the circuit 122c to ionize molecules in the air, an electrode support tube 122b to connect the circuit case 122d to the electrode 122a, and an electrode cover 122e disposed at a portion around the electrode 122a.
  • the circuit 122c is a circuit to generate high voltage to allow the electrode 122a to discharge electricity.
  • the circuit may generate alternating current, positive or negative direct current, or pulsed direct current at high voltage and supply the same to the electrode 122a.
  • the circuit 122c is a constant voltage circuit that generates negative direct current.
  • the circuit 122c preferably has an output voltage of -7kVp ⁇ 8%, an output frequency of 110Hz ⁇ 10%, and a duty of 15% to 25%.
  • the circuit 122c includes a circuit board and various electronic devices.
  • the circuit case 122d surrounds the circuit 122c to protect the circuit 122c and prevent electric leakage in the circuit 122c.
  • the circuit case 122d is preferably formed of a plastic material and in the shape of a rectangular parallelepiped. Molding of silicone rubber may be performed inside of the circuit case 122d to protect the circuit 122c.
  • the electrode support tube 122b protrudes from the circuit case 122d to support the electrode 122a.
  • the electrode support tube 122b is formed in the shape of a stick. One end of the electrode support tube 122b is connected to the circuit case 122d, and the other end is provided with the electrode 122a.
  • the electrode support tube 122b includes a wire to transfer the high voltage generated by the circuit 122c to the electrode 122a, and a sheath formed of a plastic material to surround the outer side of the wire.
  • the electrode support tube 122b electrically connects the circuit 122c to the electrode 122a.
  • a plurality of electrode support tubes 122b may be disposed depending on the number of the electrodes 122a. In the illustrated embodiment, four electrode support tubes 122b spaced from each other are disposed around the circuit case 122d.
  • the electrode 122a discharges electricity, thereby ionizing molecules in the air.
  • the electrode 122a discharges electricity, ionizing molecules in the air.
  • negative ions such as OH- and O- or positive ions such as H+ are produced.
  • the electrode 122a may be formed of carbon fiber. If the electrode 122a is formed of superfine carbon fibers, ions are produced by corona discharge.
  • the electrode 122a is preferably in the shape of a brush formed by binding hundreds of superfine carbon fibers having a diameter of a few micrometers to the electrode support tube 122b. In the illustrated embodiment, the electrode 122a is formed in the shape of a brush having about 1000 carbon fibers whose diameter is about 7 ⁇ m.
  • the electrode 122a formed into a brush by binding carbon fibers only one among hundreds of carbon fibers discharges electricity.
  • the electrode 122a may be formed in the shape of a needle, or of a mesh having a pattern.
  • a plurality of electrodes 122a may be disposed. In the illustrated embodiment, four electrodes 122a are disposed.
  • the electrodes 122a are properly spaced from each other to minimize mutual interference between the electrodes 122a.
  • the electrodes 122a are equally spaced from each other in an imaginary plane perpendicular to the air flow direction, and are symmetrically disposed with respect to a horizontal line and/or a vertical line.
  • Ions generated at the electrodes 122a charge foreign substances. Negative ions provide electrons to foreign substances, thus negatively charging the foreign substances, while positive ions remove electrons from foreign substances, thus positively charging the foreign substances.
  • the electrode cover 122e covers one side of the electrodes 122a facing the air flowing thereto.
  • the electrode cover 122e is disposed at a position around the electrode 122a toward which air flows.
  • the electrode cover 122e is disposed around the electrode 122a to face the air suction portion 116.
  • the electrode cover 122e is formed of a plastic material and in the shape of a semicircular tube. One side of the electrode cover 122e is connected to the circuit case 122d.
  • the electrode cover 122e having a semicircular shape surrounds half of the circumferences of the electrode support tube 122b and the electrodes 122a.
  • the electrode cover 122e may be formed in various shapes.
  • the electrode cover 122e may be formed in a cylindrical shape to surround the entire circumference of the electrode support tube 122b and leave a part of the circumference of the electrodes 122a uncovered.
  • the electrode cover 122e prevents any conductive material put through the air suction portion 116 by a user from contacting the electrodes 122a, and also prevents foreign substances contained in the flowing air from hitting the electrodes 122a.
  • the portion of the electrode 122a facing in the direction in which air flows is open to the outside to generate ions.
  • FIG. 7 is a front view showing a dust collector according to another embodiment of the present invention.
  • Electrodes 222 are provided and disposed at four corners of a dust collector case 221 having a rectangular cross section.
  • Four electrode support tubes (not shown) are also provided.
  • an electrode cover (not shown) is preferably disposed around the electrodes 222.
  • FIG. 8 is a perspective view showing an air conditioner according to another embodiment of the present invention
  • FIG. 9 is a cross-sectional view showing the air conditioner shown in FIG. 8
  • FIG. 10 is a perspective view showing a dust collector according to anther embodiment of the present invention.
  • the air conditioner 400 includes a cabinet 410, a dust collector 420 disposed inside the cabinet 410 to eliminate foreign substances in the flowing air, an air blower 430 to cause the air to flow, and a heat exchanger 440 to cause heat to be exchanged between the air blown by the air blower 430 and a refrigerant to adjust temperature.
  • the air conditioner 400 is a ceiling-mounted indoor unit.
  • the cabinet 410 includes a cabinet body 411, a suction panel 413 coupled to the central part of the lower portion of the cabinet body 411 and provided with an air suction portion 416 allowing external air to be suctioned into the cabinet 410 therethrough, and a discharge panel 412 coupled to the periphery of the lower portion of the cabinet body 411 and provided with an air discharge portion 415 allowing the air in the cabinet 410 to be discharged to the outside therethrough.
  • the air blower 430 includes a motor 432 to generate rotational power, and a fan 431 rotated by the motor 432.
  • the heat exchanger 440 causes heat to be exchanged between air and a refrigerant to cool or heat the air and is disposed around the air blower 430.
  • the dust collector 420 includes a dust collector case 421 forming a flow channel allowing air to flow therethrough, an electrode 422 formed of carbon fiber to ionize molecules in the air, a charged dust collecting filter 423 to collect foreign substances charged by ions produced by the electrode 422, a grounded ion trap 424 to collect ions produced by the electrode 422.
  • an electrode cover (not shown) is disposed around the electrode 422.
  • the electrode cover (not shown) is disposed at the side of the suction panel 413 around the electrode 422.
  • the cross section of the dust collector case 421 is formed to correspond to the suction panel 413 such that the dust collector case 421 is coupled to the suction panel 413.
  • the dust collecting filter 423 or the entire dust collector 420 coupled to the suction panel 413 may be replaced.
  • a dust collector according to the present invention has one or more of the following effects.
  • an electrode to generate ions occupies a minimum space and therefore reduction in air flow due to the electrode may be minimized.
  • the amount of ions generated may be maximized as an electrode is formed of carbon fibers arranged in a brush shape and causing corona discharge.
  • the ionizer is provided as a module, it can be easily replaced.

Landscapes

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

Abstract

La présente invention a trait à un collecteur de poussière hautement efficace. Le collecteur de poussière inclut au moins une électrode qui est constituée d'une fibre de carbone et qui permet de générer des ions en ionisant des molécules dans l'air, un filtre collecteur de poussière chargée qui permet de collecter les substances étrangères chargées par les ions qui sont générés par l'électrode, et un piège à ions mis à la terre qui permet de collecter les ions qui sont générés par l'électrode.
PCT/KR2013/005944 2012-07-05 2013-07-04 Collecteur de poussière WO2014007558A1 (fr)

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KR1020120073440A KR101989098B1 (ko) 2012-07-05 2012-07-05 집진장치
KR10-2012-0073440 2012-07-05

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US9636617B2 (en) 2014-02-18 2017-05-02 Blueair Ab Air purifier device with fan duct
EP3097363A4 (fr) * 2014-01-24 2017-11-08 LG Electronics Inc. Appareil de climatisation
US9919252B2 (en) 2014-02-18 2018-03-20 Blueair Ab Air purifier device with coupling mechanism
EP3416742A4 (fr) * 2016-02-19 2019-10-02 Washington University Systèmes et procédés de nettoyage au gaz à l'aide d'une précipitation électrostatique et d'une photo-ionisation
CN110732407A (zh) * 2018-07-20 2020-01-31 Lg电子株式会社 车辆用空调机
CN110732411A (zh) * 2018-07-20 2020-01-31 Lg电子株式会社 电集尘用带电装置及包括其的车辆用空调机
CN110743710A (zh) * 2018-07-23 2020-02-04 Lg电子株式会社 电集尘用带电装置及其控制方法
WO2020178153A1 (fr) * 2019-03-06 2020-09-10 BSH Hausgeräte GmbH Unité de filtration électrostatique pour un dispositif de purification d'air et dispositif de purification d'air
SE1930311A1 (sv) * 2019-10-04 2021-04-05 Renluftsteknik I Goeteborg Ab Förfarande för framställning av en joniseringsstav, samt joniseringsstav framställd enligt förfarandet
US11541343B2 (en) 2018-12-14 2023-01-03 Samsung Electronics Co., Ltd. Electrical appliance with electrostatic dust collecting device using carbon fiber

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KR102269279B1 (ko) * 2020-03-18 2021-06-24 엘지전자 주식회사 공기조화기
WO2021210700A1 (fr) * 2020-04-14 2021-10-21 엘지전자 주식회사 Unité intérieure de climatiseur
CN114543353A (zh) * 2022-04-02 2022-05-27 云森威尔智能环境（深圳）有限公司 一种具有自动清洁功能的调空机

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KR100859840B1 (ko) * 2007-05-14 2008-09-23 한국기계연구원 토출구측에 이온발생기가 장착된 전기집진방식의공기정화장치
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EP3097363A4 (fr) * 2014-01-24 2017-11-08 LG Electronics Inc. Appareil de climatisation
US10328373B2 (en) 2014-01-24 2019-06-25 Lg Electronics Inc. Air conditioning apparatus
US11673088B2 (en) 2014-01-24 2023-06-13 Lg Electronics Inc. Air conditioning apparatus
EP2908064A1 (fr) * 2014-02-18 2015-08-19 Blue Air AB Dispositif de purification d'air avec des moyens d'ionisation
US20150231645A1 (en) * 2014-02-18 2015-08-20 Blueair Ab Air purifier device with ionizing means
US9636617B2 (en) 2014-02-18 2017-05-02 Blueair Ab Air purifier device with fan duct
US9694369B2 (en) 2014-02-18 2017-07-04 Blueair Ab Air purifier device with ionizing means
US9919252B2 (en) 2014-02-18 2018-03-20 Blueair Ab Air purifier device with coupling mechanism
CN104841558A (zh) * 2014-02-18 2015-08-19 布鲁雅尔公司 具有电离装置的空气净化器设备
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EP3416742A4 (fr) * 2016-02-19 2019-10-02 Washington University Systèmes et procédés de nettoyage au gaz à l'aide d'une précipitation électrostatique et d'une photo-ionisation
CN110732411A (zh) * 2018-07-20 2020-01-31 Lg电子株式会社 电集尘用带电装置及包括其的车辆用空调机
CN110732407A (zh) * 2018-07-20 2020-01-31 Lg电子株式会社 车辆用空调机
CN110732407B (zh) * 2018-07-20 2023-08-29 Lg电子株式会社 车辆用空调机
CN110732411B (zh) * 2018-07-20 2023-08-29 Lg电子株式会社 电集尘用带电装置及包括其的车辆用空调机
CN110743710A (zh) * 2018-07-23 2020-02-04 Lg电子株式会社 电集尘用带电装置及其控制方法
CN110743710B (zh) * 2018-07-23 2023-08-29 Lg电子株式会社 电集尘用带电装置及其控制方法
US11541343B2 (en) 2018-12-14 2023-01-03 Samsung Electronics Co., Ltd. Electrical appliance with electrostatic dust collecting device using carbon fiber
WO2020178153A1 (fr) * 2019-03-06 2020-09-10 BSH Hausgeräte GmbH Unité de filtration électrostatique pour un dispositif de purification d'air et dispositif de purification d'air
CN113573816A (zh) * 2019-03-06 2021-10-29 Bsh家用电器有限公司 用于空气净化装置的静电过滤器单元和空气净化装置
SE1930311A1 (sv) * 2019-10-04 2021-04-05 Renluftsteknik I Goeteborg Ab Förfarande för framställning av en joniseringsstav, samt joniseringsstav framställd enligt förfarandet
WO2021066693A1 (fr) * 2019-10-04 2021-04-08 Renluftteknik I Göteborg Ab Procédé de production de barre d'ionisation et barre d'ionisation produite selon le procédé
SE543657C2 (sv) * 2019-10-04 2021-05-18 Renluftsteknik I Goeteborg Ab Förfarande för framställning av en joniseringsstav, samt joniseringsstav framställd enligt förfarandet

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