WO2022145736A1 - 집진 유닛을 구비한 인버터 장치 - Google Patents
집진 유닛을 구비한 인버터 장치 Download PDFInfo
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- WO2022145736A1 WO2022145736A1 PCT/KR2021/017488 KR2021017488W WO2022145736A1 WO 2022145736 A1 WO2022145736 A1 WO 2022145736A1 KR 2021017488 W KR2021017488 W KR 2021017488W WO 2022145736 A1 WO2022145736 A1 WO 2022145736A1
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- Prior art keywords
- dust
- air
- dust collecting
- discharge electrode
- inverter device
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 293
- 238000000926 separation method Methods 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 12
- 238000001816 cooling Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
-
- 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
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- 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
-
- 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
- B03C3/36—Controlling flow of gases or vapour
- B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
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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
- B03C3/36—Controlling flow of gases or vapour
- B03C3/368—Controlling flow of gases or vapour by other than static mechanical means, e.g. internal ventilator or recycler
-
- 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
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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
- B03C3/41—Ionising-electrodes
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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
- B03C3/49—Collecting-electrodes tubular
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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
- B03C3/66—Applications of electricity supply techniques
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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
- B03C3/88—Cleaning-out collected particles
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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
- B03C3/88—Cleaning-out collected particles
- B03C3/885—Cleaning-out collected particles by travelling or oscillating electric fields, e.g. electric field curtains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
- B04C5/185—Dust collectors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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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
- B03C2201/08—Ionising electrode being a rod
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Definitions
- the present invention relates to an inverter device, and more particularly, to an inverter device having a dust collecting unit for removing dust contained in air used when cooling an electric element for an inverter.
- an inverter is a stationary power converter that electrically converts direct current (DC) into alternating current (AC), also called a reverse converter. Conversely, there is a converter or a rectifier as a device for converting alternating current (AC) to direct current (DC).
- Inverter elements such as a power module supplying power to change electric power, a filter unit in charge of a rectification function, a capacitor unit performing a power storage function, and a control unit in charge of control are disposed inside the inverter.
- an air-cooled cooling structure is used in order to dissipate this heat in the case of a general inverter.
- an air inlet and an air outlet are provided on one side and the other side of the housing in which the inverter element is disposed, and external air is introduced into the housing through the air inlet using a fan to cool the inverter element.
- a grill is disposed on the air inlet side to prevent foreign substances from entering the fan that may interfere with the operation of the fan, but such a grill has a limitation in that it is difficult to prevent fine dust from entering the inside of the inverter housing.
- An object of the present invention is to provide an inverter device having a dust collecting unit to prevent fine dust from being introduced into a housing.
- An object of the present invention is to provide an inverter device having a dust collecting unit capable of collecting dust attracted by the dust collecting unit and preventing the attracted dust from flowing back into a housing.
- an inverter device having a dust collecting unit includes: a housing having an air inlet formed on one surface and an air outlet formed on the other surface; an electric element for an inverter disposed inside the housing; a first suction member disposed inside the housing to create a flow of air in which external air is introduced into the housing through the air inlet and out to the air outlet to cool the electrical element; and a dust collecting unit disposed at one side of the air inlet to remove dust contained in the air introduced into the air inlet.
- the dust collecting unit includes a first discharge electrode negatively charged; a dust collecting electrode spaced apart from the first discharge electrode and positively charged; an air flow guide extending from a periphery of the air inlet to a lower side so that the outside air is introduced into the air inlet via the first discharge electrode and the dust collecting electrode; and a dust receiver disposed under the dust collecting pole to collect the dust attracted to the dust collecting pole.
- the power supply unit for supplying power to the dust collecting unit may be connected to the negative terminal of the power supply unit, and the dust collecting electrode may be connected to the positive terminal of the power supply unit.
- the power supply unit may be connected to the electric element for the inverter and the first suction member to supply power to the electric element for the inverter and the first suction member.
- the first discharge electrode may extend in an extending direction of the air flow guide, and the dust collecting electrode may be spaced apart from a side surface of the first discharge electrode and disposed on an inner circumferential surface of the air flow guide.
- At this time, at least one second discharge electrode conducting with the first discharge electrode and extending in a radial direction from a side surface of the first discharge electrode; may include
- At this time, at least one third discharge electrode conducting with the second discharge electrode, formed in a ring shape, and supported by the second discharge electrode; may include
- the dust receiver may be formed to extend from the lower edge of the air flow guide toward the upper side so that a space for collecting the dust is formed on the inner peripheral surface of the lower end of the air flow guide.
- the first discharge electrode and the dust collecting electrode may be disposed at a central portion in the longitudinal direction of the air flow guide, and the air flow guide may be formed to have a larger cross-sectional area from the central portion to both ends.
- a dust collecting unit connected to the dust receiver to collect the dust collected in the dust receiver may include
- the dust recovery unit includes a dust container in which the dust is collected; a dust discharge pipe connecting the dust container and the dust receiver to be in fluid communication; and a second suction member that forms a flow to move the dust from the dust receiver to the container.
- a centrifugal separation member provided at one end of the dust discharge pipe to separate the dust from the air discharged from the dust discharge pipe and collect it into the dust container to connect the dust discharge pipe and the dust container; may include
- the centrifugal separation member has a cylindrical body, an air outlet formed on the upper surface of the body and connected to the second suction member, a dust outlet formed on the lower surface of the body and connected to the dust container, and a side surface of the body Formed and provided with a dust inlet to which the dust discharge pipe is connected, the dust discharge pipe has a direction from the dust inlet toward the center of the body and the direction in which the dust is discharged so that the discharged dust rotates along the inner circumferential surface of the body It can be connected to the dust inlet to have an angle of.
- the lower end of the body may have a smaller cross-sectional area toward the lower side.
- An inverter device having a dust collecting unit may remove dust contained in air introduced from the outside in order to cool an element disposed inside a housing.
- the inverter device having the dust collecting unit according to an embodiment of the present invention may prevent dust from entering the inverter device, thereby increasing the durability of the inverter device.
- the inverter device having a dust collecting unit can increase the cooling efficiency by cooling the electrical element having a higher temperature using air from which dust has been removed.
- FIG. 1 is a perspective view of an inverter device having a dust collecting unit according to an embodiment of the present invention as viewed from one direction.
- FIG. 2 is a perspective view of an inverter device having a dust collecting unit according to an embodiment of the present invention as viewed from the other direction.
- FIG 3 is a perspective view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention.
- FIG. 4 is a perspective view with the air flow guide removed of the dust collecting unit of the inverter device having the dust collecting unit according to an embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention.
- FIG. 6 is a bottom view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention.
- FIG. 7 is a perspective view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention.
- FIG. 8 is a cross-sectional view illustrating the dust collection unit by enlarging the cross-section along the line A-A' of FIG. 7 .
- the X-axis direction of FIG. 1 is defined as the upward direction
- the Y-axis direction is the right direction
- the Z-axis direction is defined as the forward direction.
- the direction opposite to the X-axis direction is defined as the downward direction
- the direction opposite to the Y-axis direction is defined as the left direction
- the direction opposite to the Z-axis direction is defined as the rear direction.
- the present invention relates to an inverter device having a cooling structure that circulates outside air into a housing to cool an electrical element for an inverter disposed inside the housing, and removes dust contained in the outside air before the outside air is introduced into the housing.
- An inverter device capable of doing this is provided.
- FIG. 1 is a perspective view of an inverter device having a dust collecting unit according to an embodiment of the present invention as viewed from one direction
- FIG. 2 is a perspective view of an inverter device having a dust collecting unit according to an embodiment of the present invention as viewed from the other direction. .
- an inverter device 1 having a dust collecting unit includes a housing 10 , an electric element for an inverter (not shown), a first suction member 30 and a dust collecting unit. (40) is provided.
- the housing 10 is a component for protecting the components constituting the inverter therein, and the shape thereof is not limited. As an example, the housing may be formed in a box shape as shown in FIG. 1 .
- An electric element for an inverter is a configuration necessary to electrically convert direct current (DC) into alternating current (AC) by the operation of the inverter device 1 .
- an electric element for an inverter is a capacitor , a coil, etc., but is not limited thereto.
- an air inlet 12 is formed at the lower side of the housing 10 to introduce external air.
- the air introduced through the air inlet 12 cools the electric element for the inverter (not shown), and the air cooled the electric element for the inverter (not shown) passes through the air outlet 14 formed at the upper side of the housing 10 . leaked through
- the inverter device 1 having a dust collecting unit may include a first suction member 30 .
- the first suction member 30 generates a flow of air through which external air is introduced into the housing 10 through the air inlet 12 and discharged back to the air outlet 14 .
- the first suction member 30 is a configuration for creating a flow of air, and may be, for example, a fan, but is not limited thereto.
- the first suction member 30 introduces external air having a relatively low temperature through the air inlet 12 and receives heat while the introduced air passes through an electric device for an inverter (not shown).
- the first suction member 30 continuously supplies cold air from the outside to the inside, so that the heated air inside the housing 10 flows out through the air outlet 14 . Accordingly, the first suction member 30 allows the air to continuously transfer the heat inside the inverter device 1 to the outside.
- the dust 2 contained in the air is also introduced into the housing 10 together.
- the dust 2 introduced in this way is accumulated inside the housing 10 and not only reduces the cooling efficiency of an electric element for an inverter (not shown), but also causes a malfunction of the inverter device 1 .
- a dust collecting unit 40 is disposed below the air inlet 12 to remove the dust 2 contained in the external air introduced into the air inlet 12 .
- the dust collecting unit 40 removes the dust 2 flowing in from the outside by charging it with a negative charge. Hereinafter, this will be described in detail with reference to FIGS. 3 to 6 .
- FIG. 3 is a perspective view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention
- FIG. 4 is an air flow guide of the dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention
- FIG. 6 is a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention. This is a bottom view of the unit.
- the dust collecting unit 40 of the inverter device 1 having a dust collecting unit includes a power supply unit 410 , a first discharge electrode 420 , and a dust collecting electrode 430 . ), an air flow guide 440 and a dust receiver 450 .
- the power supply unit 410 supplies power to the dust collecting unit 40 so that the dust collecting unit 40 collects the dust 2 using electric power.
- the power supply unit 410 is a component for supplying power to the dust collecting unit 40 , and may be, for example, a battery.
- the type of the power supply unit 410 is not limited, and if it is a configuration capable of supplying power to the dust collecting unit 40, various known products may be applied.
- the power supply unit 410 may be integrally formed with a power supply device (not shown) for supplying power to the inverter device 1 .
- the first discharge electrode 420 is made of a conductor to conduct electricity with the power supply unit 410 and is connected to the negative pole of the power supply unit 410 . Accordingly, as shown in FIG. 5 , negative charges are disposed on the surface of the first discharge electrode 420 .
- the first discharge electrode 420 is disposed below the air inlet 12 so that the air introduced into the air inlet 12 can pass therethrough. Accordingly, when the dust 2 in the air contacts the surface of the first discharge electrode 420, it is charged with a negative charge.
- the first discharge electrode 420 is disposed on the lower side from the center of the opening surface of the air inlet 12 .
- the air introduced through the air inlet 12 and the first discharge electrode 420 are It is preferable in that it can contact as much as possible.
- the shape of the first discharge electrode 420 is not limited. However, as shown in FIG. 4 , it is preferable that the length of the air inflow direction, ie, the upward direction, is extended so as not to obstruct the flow of air, and the cross section is formed in a circular shape.
- the dust collecting electrode 430 is made of a conductor to conduct electricity with the power supply unit 410 like the first discharge electrode 420 , and is connected to the positive electrode of the power supply unit 410 to attract negatively charged dust. Accordingly, positive charges are disposed on the surface of the dust collecting electrode 430 as shown in FIG. 5 .
- the dust 2 charged with a negative charge by the first discharge electrode 420 receives an electric force to the dust collecting electrode 430 .
- the dust collecting electrode 430 is spaced apart from the side surface of the first discharge electrode 420 . Accordingly, as shown in FIG. 5 , the dust 2 is drawn from the first discharge electrode 420 toward the dust collecting electrode 430 .
- the dust collecting electrode 430 In order for the dust collecting electrode 430 to effectively attract the dust 2 charged from the first discharge electrode 420 , the dust collecting electrode 430 is spaced apart from the side surface of the first discharge electrode 420 as shown in FIG. 4 . It is preferably formed to surround the first discharge electrode 420 .
- the length of the dust collecting electrode 430 in the vertical direction is equal to or greater than the length of the first discharge electrode 420 .
- a guide 440 is disposed. (See Fig. 1)
- the air flow guide 440 extends from the periphery of the air inlet 12 to the lower side and is formed in a cylindrical shape. Accordingly, the outside air moves along the air flow guide 440 , comes into contact with the first discharge electrode 420 and the dust collecting electrode 430 , and then flows into the housing 10 through the air inlet 12 .
- the cross-sectional shape of the air flow guide 440 may be formed in a circular shape as shown in FIG. 3 , but is not limited thereto, and may be formed in various shapes such as a triangle or a square.
- the dust collecting pole 430 is disposed at the central portion in the longitudinal direction of the air flow guide 440 so that the outer circumferential surface of the dust collecting pole 430 comes into contact with the inner circumferential surface of the air flow guide 440 .
- the air flow guide 440 is preferably formed of an insulator so as not to conduct electricity with the first discharge electrode 420 and the dust collecting electrode 430 . Through this, not only can the dust 2 be prevented from being guided to an unexpected place, but also the risk of an accident in which the user is energized through the air flow guide 440 can be prevented.
- the lower end 444 of the air flow guide 440 is preferably formed to have a wider cross-sectional area toward the lower side. Accordingly, a large amount of external air can be sucked, and the sucked external air can be guided to the first discharge electrode 420 and the dust collecting electrode 430 . Accordingly, since the probability that the dust 2 contained in the air contacts the first discharge electrode 420 and is charged can be increased, the dust removal rate of the dust collecting unit 40 can be further increased.
- the upper end 442 of the air flow guide 440 is preferably formed to have a larger cross-sectional area toward the upper side. This is to match the cross-sectional area of the air flow concentrated in the first discharge electrode 420 and the dust collecting electrode 430 to the size of the air inlet 12 .
- the cross-sectional area of the upper end 442 of the air flow guide 440 is the same as the cross-sectional area of the air inlet 12 .
- the air flow guide 440 is coupled to the air inlet 12 .
- a plate member 446 is formed on the upper end of the air flow guide 440 , and the plate member 446 may be coupled to the lower surface of the housing 10 with screws.
- a dust receiver 450 is disposed on the inner peripheral surface of the lower end 444 of the air flow guide 440 in order to collect the dust 2 attracted to the inner peripheral surface of the dust collecting pole 430 by electric force. (See Fig. 2)
- the dust receiver 450 moves from the lower edge of the air flow guide 440 to the upper side so as to collect the dust 2 when the dust 2 collected by the dust collecting pole 430 is moved in the self-weight direction by gravity. extended and formed.
- the dust receiver 450 has an opening formed on the lower side of the dust collecting pole 430 . At this time, the dust receiver 450 is spaced apart from the inner surface of the lower end 444 of the air flow guide 440 to form a space in which the dust 2 introduced through the opening is collected and the lower side is closed.
- the inner side of the air flow guide 440 of the dust receiver 450 so that air can be guided along the inner side of the air flow guide 440 of the dust receiver 450. It is preferably formed to be parallel to the air flow guide 440 .
- a blocking member 480 is provided on the upper side of the dust collecting pole 430 to prevent the dust 2 attracted to the dust collecting pole 430 from being introduced into the air inlet 12 again by the first suction member 30 .
- the blocking member 480 may be formed to be symmetrical with the dust receiver 450 as shown in FIG. 5 . Accordingly, the flow of air is disturbed at the upper side of the dust collecting pole 430 , and the dust 2 attracted to the dust collecting pole 430 does not move to the air inlet 12 .
- the shape of the blocking member 480 does not always have to be formed to be symmetrical with the dust receiving member 450 , and the air flow formed by the first suction member 30 at the upper side of the dust collecting pole 430 may be obstructed. If there is, an embodiment is not limited. For example, although not shown in the drawings, it may be formed to protrude from the inner circumferential surface of the air flow guide 440 to the central axis in the longitudinal direction of the air flow guide 440 on the upper side of the dust collecting pole 430 .
- the dust collecting unit 40 of the inverter device 1 having the dust collecting unit according to an embodiment of the present invention may include a second discharge electrode 460 and a third discharge electrode 470 . have.
- the second discharge electrode 460 charges the dust 2 together with the first discharge electrode 420 to a negative charge.
- the second discharge electrode 460 is provided to increase the contact area between the air and the discharge electrode so that the dust 2 is easily charged.
- the second discharge electrode 460 is made of a conductor and is connected to conduct electricity with the first discharge electrode 420 so that negative charges are disposed on the surface of the second discharge electrode 460 .
- the second discharge electrode 460 is guided to the air flow guide 440 to increase the contact area for charging the dust 2 contained in the air introduced through the air inlet 12. It is formed extending in a radial direction from a side surface. At this time, the tip of the second discharge electrode 460 in the extension direction is formed so as not to contact the dust collecting electrode 430 .
- One or more second discharge electrodes 460 may be provided. However, as shown in FIG. 4 , since the second discharge electrode 460 also serves to structurally support the third discharge electrode 470 , which will be described later, four or more are preferably disposed.
- first discharge electrode 420 is preferably disposed symmetrically.
- the third discharge electrode 470 is provided to increase the contact area between the air and the discharge electrode so that the dust 2 is easily charged. Accordingly, the dust 2 is charged with a negative charge together with the first discharge electrode 420 and the second discharge electrode 460 .
- the third discharge electrode 470 is also made of a conductor and is connected to conduct electricity with the second discharge electrode 460 so that negative charges are disposed on the surface of the third discharge electrode 470 .
- the embodiment is not limited. However, it is preferably formed in a ring shape so as not to interfere with the flow of air introduced through the air flow guide 440 as much as possible, and is preferably formed in a circular shape as shown in FIGS. 4 and 6 .
- the first discharge electrode 420 is disposed inside the air flow guide 440 at the center of the third discharge electrode 470 , and the third discharge electrode 470 is connected to the second discharge electrode 460 . structurally supported by
- one or more third discharge electrodes 470 may be provided.
- the number of the third discharge electrodes 470 may be formed differently depending on the size of the inner cross-section of the air flow guide 440 .
- the third discharge electrode 470 may be injection-molded integrally with the second discharge electrode 460 and the first discharge electrode 420 , or may be integrally formed with the second discharge electrode 460 to be detachable from the first discharge electrode 420 . It may be formed to In the case of detachable air flow guide 440 , the shape of the second discharge electrode 460 and the shape of the third discharge electrode 470 is changed and replaced, thereby increasing compatibility.
- FIG. 7 is a perspective view of a dust collecting unit of an inverter device having a dust collecting unit according to an embodiment of the present invention
- FIG. 8 is a cross-sectional view illustrating the dust collecting unit by enlarging the cross section along the line A-A' of FIG. to be.
- the inverter device 1 having a dust collecting unit may include a dust collecting unit 50 .
- the dust collection unit 50 is connected to the dust receiver 450 and removes the dust 2 collected inside the dust receiver 450 by discharging it to the outside of the dust receiver 450 .
- the dust collecting unit 40 is continuously discharged by separating and discharging the dust 2 through the dust collecting unit 50 . be able to make it work.
- the dust collection unit 50 may include a dust container 510 , a dust discharge pipe 520 , a second suction member 530 , and a centrifugal separation member 540 .
- the dust container 510 is collected by moving the dust 2 collected in the dust receiving 450 therein.
- the dust container 510 is disposed on the lower side of the housing 10 . (See Fig. 1)
- the dust container (510) and the dust receiver (450) are connected to be in fluid communication through the dust discharge pipe (520).
- the dust discharge pipe 520 may have a different length or shape depending on the location of the dust container 510 .
- the second suction member 530 moves the dust 2 collected inside the dust receiver 450 through the dust discharge pipe 520 to the dust container 510 with air. to create flow.
- the second suction member 530 is a configuration for forming an air flow, and may be, for example, a fan, but is not limited thereto.
- the dust discharge pipe 520 may be coupled to the dust container 510 by the centrifugal separation member 540, the second suction member 530 is coupled to the centrifugal separation member 540, the dust discharge pipe 520 inside of air flow can be created.
- the centrifugal separation member 540 separates only the dust 2 in the air discharged through the dust discharge pipe 520 and collects it in the dust container 510 . At this time, the air from which the dust 2 is removed is discharged to the outside through the second suction member 530 .
- the centrifugal separation member 540 of the inverter device 1 having a dust collecting unit includes a body 542 , an air outlet 544 , a dust inlet 546 , and a dust outlet 548 . ) can be provided.
- the body 542 of the centrifugal separation member 540 is formed in a cylindrical shape as shown in FIG. At this time, the body 542 is preferably formed so that the cross section becomes narrower toward the lower side.
- a dust inlet 546 is formed on the side of the body 542 , and a dust outlet pipe 520 is connected to the dust inlet 546 . Accordingly, the dust 2 inside the dust receiver 450 is introduced into the body 542 of the centrifugal separation member 540 while being included in the air flow formed by the centrifugal separation member 540 through the dust discharge pipe 520. .
- the dust discharge pipe 520 connected to the dust suction port 546 is the center of the body 542 in the air flow direction C1 of the dust discharge pipe 520 and the dust suction port 546 as shown in FIG. 8 . It is formed to have a predetermined angle ( ⁇ ) without the direction (C2) facing toward it.
- the air introduced into the body 542 through the dust discharge pipe 520 rotates along the inner circumferential surface of the body 542 .
- the dust (2) contained in the air receives a centrifugal force, is separated from the air, continues to rotate along the inner peripheral surface of the body (542).
- an air outlet 544 is formed on the upper surface of the body 542 . Air is introduced through the dust inlet 546 into the air outlet 544, and the air separated from the dust 2 is discharged.
- the second suction member 530 is coupled to the air outlet 544 .
- the second suction member 530 forms a flow of air from the inside to the outside of the body 542 through the air outlet 544, so that the air eventually passes from the dust receiver 450 through the dust discharge pipe 520 and the body 542. Allow it to escape through an air outlet (544).
- the flow direction of the air separated from the dust 2 in the air outlet 544 is preferably directed to the air flow guide 440 side.
- a dust outlet 548 is formed on the lower end surface of the body 542.
- the dust (2) remaining inside the body (542) receives gravity and moves downward.
- the dust 2 moves to the dust outlet 548 while performing a spiral motion along the inner circumferential surface of the body 542 .
- the dust container 510 is detachably coupled to the dust outlet 548 , and the dust 2 discharged to the dust outlet 548 is collected in the dust container 510 .
- the user can easily manage the dust collecting unit 40 by separating only the dust container 510 and removing the dust 2 collected inside the dust container 510 .
- the inverter device having the dust collecting unit according to an embodiment of the present invention has been described, but the dust collecting unit of the inverter device according to the present embodiment is not applicable only to the inverter device, and various types of air flowing into the housing are described. Applicability to electronic devices in the field will be clearly understood by those of ordinary skill in the art to which the present invention pertains.
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- Engineering & Computer Science (AREA)
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- Electrostatic Separation (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (13)
- 일면에 공기 유입구가 형성되고 타면에 공기 유출구가 형성되는 하우징;상기 하우징의 내부에 배치되는 인버터용 전기 소자;상기 전기 소자를 냉각시키기 위해 외부 공기가 상기 공기 유입구를 통해 상기 하우징 내부로 유입되고 상기 공기 유출구로 유출되는 공기의 흐름을 생성하도록 상기 하우징의 내부에 배치되는 제 1 흡입 부재; 및상기 공기 유입구로 유입되는 상기 공기에 포함된 분진을 제거하도록 상기 공기 유입구의 일측에 배치되는 집진 유닛; 을 포함하고,상기 집진 유닛은마이너스로 대전되는 제 1 방전극;상기 제 1 방전극으로부터 이격되어 배치되고 플러스로 대전되는 집진극;상기 외부 공기가 상기 제 1 방전극 및 상기 집진극을 경유하여 상기 공기 유입구로 유입되도록 상기 공기 유입구의 둘레부로부터 하부 측으로 연장 형성되는 공기 유동 가이드; 및상기 집진극에 유인된 상기 분진을 수거하기 위하여 상기 집진극의 하부에 배치되는 분진 받이; 를 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 1 항에 있어서,상기 집진 유닛에 전력을 공급하는 전원부; 를 포함하고,상기 제 1 방전극은 상기 전원부의 마이너스 단자에 연결되고,상기 집진극은 상기 전원부의 플러스 단자에 연결되는, 집진 유닛을 구비한 인버터 장치.
- 제 2 항에 있어서,상기 전원부는 상기 인버터용 전기 소자 및 상기 제 1 흡입 부재에 연결되어 상기 인버터용 전기 소자 및 상기 제 1 흡입 부재에 전력을 공급하는, 집진 유닛을 구비한 인버터 장치.
- 제 1 항에 있어서,상기 제 1 방전극은 상기 공기 유동 가이드의 연장 방향으로 연장 형성되고,상기 집진극은 상기 제 1 방전극의 측면으로부터 이격되며 상기 공기 유동 가이드의 내주면에 배치되는, 집진 유닛을 구비한 인버터 장치.
- 제 4 항에 있어서,상기 제 1 방전극과 통전되고 상기 제 1 방전극의 측면으로부터 방사 방향으로 연장되는 하나 이상의 제 2 방전극; 을 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 5 항에 있어서,상기 제 2 방전극과 통전되고 고리 형상으로 형성되며 상기 제 2 방전극에 의해 지지되는 하나 이상의 제 3 방전극; 을 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 4 항에 있어서,상기 분진 받이는 상기 공기 유동 가이드의 하단부 내주면 측에 상기 분진이 수거되는 공간이 형성되도록 상기 공기 유동 가이드의 하단 테두리부로부터 상부 측으로 연장 형성되는, 집진 유닛을 구비한 인버터 장치.
- 제 1 항에 있어서,상기 제 1 방전극 및 상기 집진극은 상기 공기 유동 가이드의 길이 방향 중앙부에 배치되고,상기 공기 유동 가이드는 상기 중앙부에서 양단부로 갈수록 단면적이 넓어지도록 형성되는, 집진 유닛을 구비한 인버터 장치.
- 제 1 항에 있어서,상기 분진 받이에 수거된 상기 분진을 수집하기 위하여 상기 분진 받이와 연결되는 분진 수집 유닛; 을 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 9 항에 있어서,분진 수집 유닛은상기 분진이 수집되는 분진 용기;상기 분진 용기와 상기 분진 받이가 유체 소통 가능하도록 연결하는 분진 배출관; 및상기 분진 받이로부터 상기 용기로 상기 분진이 이동하도록 유동을 형성하는 제 2 흡입 부재; 를 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 10 항에 있어서,상기 분진 배출관으로부터 배출된 공기에서 분진을 분리하여 상기 분진 용기로 수집하기 위해 상기 분진 배출관의 일단에 구비되어 상기 분진 배출관과 상기 분진 용기를 연결하는 원심 분리 부재; 를 포함하는, 집진 유닛을 구비한 인버터 장치.
- 제 11 항에 있어서,상기 원심 분리 부재는 원통형 몸체, 상기 몸체 상단면에 형성되어 상기 제 2 흡입 부재에 연결되는 공기 배출구, 상기 몸체 하단면에 형성되어 상기 분진 용기에 연결되는 분진 배출구 및 상기 몸체의 측면에 형성되어 상기 분진 배출관이 연결되는 분진 유입구를 구비하고,상기 분진 배출관은 배출된 분진이 상기 몸체의 내주면을 따라 회전하도록 상기 분진 유입구에서 상기 몸체의 중심을 향하는 방향과 상기 분진이 배출되는 방향이 소정의 각도를 갖도록 상기 분진 유입구에 연결되는, 집진 유닛을 구비한 인버터 장치.
- 제 12 항에 있어서,상기 몸체의 하단부는 하부 측으로 갈수록 단면적이 작아지는, 집진 유닛을 구비한 인버터 장치.
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US18/269,458 US20240042459A1 (en) | 2020-12-28 | 2021-11-25 | Inverter apparatus provided with dust collecting unit |
CN202180087811.8A CN116686200A (zh) | 2020-12-28 | 2021-11-25 | 具有集尘单元的逆变器装置 |
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KR1020200184450A KR102618450B1 (ko) | 2020-12-28 | 2020-12-28 | 집진 유닛을 구비한 인버터 장치 |
KR10-2020-0184450 | 2020-12-28 |
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Citations (5)
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JP2010022949A (ja) * | 2008-07-22 | 2010-02-04 | Mitsubishi Heavy Ind Ltd | 排ガス処理装置 |
KR20130087566A (ko) * | 2010-11-16 | 2013-08-06 | 우수이 고쿠사이 산교 가부시키가이샤 | 디젤 엔진 배출 가스 처리 장치 |
JP2016217298A (ja) * | 2015-05-22 | 2016-12-22 | トヨタ自動車株式会社 | 排気浄化装置 |
KR102033875B1 (ko) * | 2019-05-07 | 2019-11-08 | 문상호 | 태양광발전장치용 인버터 설치구조물 |
KR20200138141A (ko) * | 2018-11-29 | 2020-12-09 | 엘지전자 주식회사 | 플라즈마 살균 모듈 및 이를 구비하는 공기청정기 |
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KR20180070270A (ko) | 2016-12-16 | 2018-06-26 | 현대자동차주식회사 | 인버터 방열구조 |
-
2020
- 2020-12-28 KR KR1020200184450A patent/KR102618450B1/ko active IP Right Grant
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2021
- 2021-11-25 US US18/269,458 patent/US20240042459A1/en active Pending
- 2021-11-25 CN CN202180087811.8A patent/CN116686200A/zh active Pending
- 2021-11-25 WO PCT/KR2021/017488 patent/WO2022145736A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010022949A (ja) * | 2008-07-22 | 2010-02-04 | Mitsubishi Heavy Ind Ltd | 排ガス処理装置 |
KR20130087566A (ko) * | 2010-11-16 | 2013-08-06 | 우수이 고쿠사이 산교 가부시키가이샤 | 디젤 엔진 배출 가스 처리 장치 |
JP2016217298A (ja) * | 2015-05-22 | 2016-12-22 | トヨタ自動車株式会社 | 排気浄化装置 |
KR20200138141A (ko) * | 2018-11-29 | 2020-12-09 | 엘지전자 주식회사 | 플라즈마 살균 모듈 및 이를 구비하는 공기청정기 |
KR102033875B1 (ko) * | 2019-05-07 | 2019-11-08 | 문상호 | 태양광발전장치용 인버터 설치구조물 |
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US20240042459A1 (en) | 2024-02-08 |
CN116686200A (zh) | 2023-09-01 |
KR20220093586A (ko) | 2022-07-05 |
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