WO2022225243A1 - 공기청정기 - Google Patents
공기청정기 Download PDFInfo
- Publication number
- WO2022225243A1 WO2022225243A1 PCT/KR2022/005235 KR2022005235W WO2022225243A1 WO 2022225243 A1 WO2022225243 A1 WO 2022225243A1 KR 2022005235 W KR2022005235 W KR 2022005235W WO 2022225243 A1 WO2022225243 A1 WO 2022225243A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- driving gear
- wind direction
- rotated
- driven gear
- direction control
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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Classifications
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/18—Special devices for taking up backlash
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
- F24F8/80—Self-contained air purifiers
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1446—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with gearings
Definitions
- the present invention relates to an air purifier.
- an air purifier is a device that sucks polluted indoor air, filters dust, odor particles, and the like contained in the air with a filter, and purifies the air into clean air.
- the air purifier can purify indoor air by sucking in and purifying the surrounding polluted air, and then discharging the purified clean air to the outside of the air purifier.
- These air purifiers include a blower fan to introduce air into the interior, a filter that filters out dust and odor particles contained in the air, a wind direction control unit that rotates to discharge clean filtered air that has passed through the filter in various directions, and the user It may include an operation module operated by the The user may operate the operation module to rotate the blower fan and the wind direction control unit.
- Patent Document 1 Korean Patent Application Laid-Open No. 10-2019-0049675 "Air Purifier” (hereinafter, Patent Document 1) of LG Electronics Co., Ltd. discloses a fan housing for discharging air and a second for rotating the fan housing in the vertical direction.
- an air purifier including a flow conversion device including a rack, a second gear rotating in engagement with the second rack, and a display device disposed in a fan housing and operated by a user.
- Patent Document 1 only discloses that the second gear is rotated while meshing with the second rack in order to rotate the fan housing in the vertical direction. After the second gear is stopped, the second rack is removed by an external force. Re-rotating the second gear to prevent it from rotating relative to the second gear is not disclosed.
- Patent Document 1 when the user presses the display device after the rotation of the second gear is stopped, the display may shake with respect to the fan housing due to the clearance between the second rack and the second gear, There is a problem in that the shaking caused by the play gives a user discomfort.
- One embodiment of the present invention is an air purifier in which shaking of the operation unit due to the user's operation is minimized when the user operates the operation module after the driving gear is rotated and stopped after the above background is in mind. is to provide
- An air purifier includes: a body having an inlet through which air can be introduced; a blower accommodated in the body and providing a blowing force for flowing the air; a filter for filtering the air introduced into the body; a wind direction control unit for controlling a direction in which the filtered air passing through the filter is discharged; an operation module that is manipulated by a user to output a signal; and a control device for controlling the wind direction adjusting unit according to the signal, wherein the wind direction adjusting unit includes: a wind direction adjusting member configured to be rotatable with respect to the body about a rotational shaft extending in a horizontal direction; a motor providing a driving force for rotating the wind direction control member; a driving gear rotated by the driving force provided from the motor; and a driven gear rotated by the driving gear, wherein the operation module is disposed on the wind direction control member to be spaced apart from the rotation shaft of the wind direction control member when viewed from above, and when the driving gear rotates in a forward direction
- the driving gear includes a plurality of driving gear teeth
- the driven gear includes a plurality of driven gear teeth
- the plurality of driven gear teeth are disposed adjacent to a first driven gear tooth and the first driven gear tooth.
- a second driven gear When the occlusal driving gear is in close contact with the first driven gear, it is rotated, and when the driving gear rotates in the reverse direction, the occlusal driving gear is rotated by being in close contact with the second driven gear, the control device, When the driving gear is rotated in the forward direction and then stopped, the driving gear is rotated in the reverse direction to control the motor so that the mating driving gear is in close contact with the second driven gear.
- the driving gear when the driving gear is rotated in the forward direction and then stopped, the driving gear is rotated in the reverse direction by a first angle, which is the predetermined angle, so that the occlusal driving gear is in close contact with the second driven gear.
- An air purifier that controls the motor may be provided.
- the driving gear when the driving gear is rotated in the reverse direction and then stopped, the driving gear is rotated in the reverse direction by a second angle different from the first angle, so that the occlusal driving gear is further to the second driven gear.
- An air purifier may be provided that controls the motor to be in close contact.
- the air purifier may be provided.
- control unit further includes an elevating unit for elevating and lowering the wind direction control unit controlled by the control device, wherein the wind direction control unit is spaced upward from the body by the elevating unit to open the upper portion of the body In an open state or in a closed state in which the upper portion of the body is closed by being in close contact with the body, the driving gear is configured such that, when the wind direction control unit is switched to the closed state, the occlusal driving gear is set to the second An air purifier may be provided, which rotates in the reverse direction so as to be in close contact with the driven gear.
- the wind direction control member descends from the open state toward the body by a first distance, and then rises to a second distance smaller than the first distance, and then back to the body. is driven to descend again toward the , and the driving gear is rotated in the reverse direction so that the occlusal driving gear is in close contact with the second driven gear after rising by the second distance, an air cleaner may be provided.
- a purifier may be provided.
- FIG. 1 is a perspective view showing an air purifier according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along II-II of FIG. 1 .
- FIG. 3 is a side view of the air purifier of FIG. 1 .
- FIG. 4 is a side view of the air purifier of FIG. 1 .
- FIG. 5 is a side view of the wind direction control unit when the driving gear of the air purifier of FIG. 1 is rotated in the forward direction.
- FIG. 6 is a side view when the wind direction control unit of the air purifier of FIG. 1 is in a closed state.
- FIG. 7 is a plan view of the driving gear and the driven gear when the driving gear of the air purifier of FIG. 1 is rotated in the forward direction and then rotated in the reverse direction.
- FIG. 8 is a plan view of the driving gear and the driven gear when the driving gear of the air purifier of FIG. 1 is rotated in the reverse direction and then rotated in the reverse direction.
- a component when it is said that a component is 'supported', 'inflow', 'discharge', or 'flow' to another component, it may be directly supported, flowed in, discharged, or flowed to the other component, but other components in the middle It should be understood that elements may exist.
- the vertical direction may be the z-axis direction of FIGS. 1 and 3 .
- the air purifier 1 filters polluted air into clean air by filtering dust and odor particles in the air introduced into the air purifier 1 .
- Such an air purifier 1 may suck in external air to the inside, and may discharge clean air purified from the inside to the outside.
- the air purifier 1 may include a body 100 , a blower 200 , a filter 300 , a wind direction control unit 400 , an elevation unit 500 , a control device 600 , and an operation module 700 . can
- the body 100 can accommodate the blower 200 and the filter 300 therein, and can support the blower 200 , the filter 300 , the wind direction control unit 400 and the elevating unit 500 .
- the body 100 may have an inlet 110 through which air from the outside of the air purifier 1 flows into the body 100 may be formed.
- the inlet 110 may be formed to pass through the body 100 and may be provided in plurality.
- the plurality of inlets 110 may be formed along the circumference of the body 100 .
- the body 100 may be configured to form all or part of a discharge port for discharging the filtered air to the outside of the air purifier 1 .
- the upper portion of the body 100 may be opened and closed by the wind direction control unit 400 .
- the blower 200 may provide a blowing force for the air from the outside of the air purifier 1 to be introduced into the inside of the air purifier 1 and then discharged to the outside. Also, the blower 200 may be driven to discharge the air filtered by the filter 300 to the outside of the air purifier 1 .
- the blower 200 may be disposed to be surrounded by a plurality of filters 300 .
- the filter 300 may filter outside air into clean air.
- the filter 300 may include well-known filters, such as a pre-filter, a HEPA filter, and a deodorizing filter, in order to filter dust and odor particles in the air.
- the filter 300 may include a filter member and a filter frame for supporting the filter member. A plurality of such filters 300 may be provided, and the plurality of filters may be configured to be folded or unfolded with respect to an adjacent filter.
- the wind direction control unit 400 may control the discharge direction of the filtered air passing through the filter 300 .
- the wind direction control unit 400 may be configured to be rotatable with respect to the body 100 about the rotation axis R extending in the horizontal direction.
- the wind direction control unit 400 may include a wind direction control member 410 , a motor 420 , a driving gear 430 , and a driven gear 440 .
- the wind direction control member 410 is configured to be rotatable with respect to the body 100 about the rotation axis R extending in the horizontal direction.
- the wind direction control member 410 may be rotated to be inclined at a predetermined angle with respect to the body 100 or to be placed in a horizontal state forming a level with respect to the body.
- the wind direction control member 410 may be disposed such that the manipulation module 700 is spaced apart from the rotation axis R of the wind direction control member 410 .
- the motor may provide a driving force for rotating the wind direction control member 410 .
- the motor 420 may be driven to rotate the wind direction control member 410 in one direction or to rotate in the other direction opposite to the one direction.
- the wind direction control member 410 may be rotated to be inclined to one side or to be inclined to the other side by the motor 420 .
- the driving gear 430 may be rotated by a driving force provided from the motor 420 .
- the wind direction adjusting member 410 may be rotated in the direction in which the manipulation module 700 descends.
- the driving gear 430 is rotated in a reverse direction opposite to the normal direction, the wind direction adjusting member 410 may be rotated in a direction in which the operation module 700 rises.
- the driving gear 430 may include a plurality of driving gear teeth 431 .
- the driving gear 430 includes a driven gear 440 such that an arbitrary driving gear 431 among the plurality of driving gear teeth 431 is disposed between a plurality of driven gear teeth 441 and 442 to be described later sequentially according to the rotation direction. can be engaged
- the driven gear 440 may be engaged with the driving gear 430 and rotated by the driving gear 430 .
- the driven gear 440 may be disposed above the driving gear 430 to engage the driving gear 430 .
- the wind direction control member 410 may be rotated by the rotation of the driven gear 440 .
- the driven gear 440 may include a plurality of driven gear teeth. The plurality of driven gear teeth may be arranged at regular intervals over the entire circumference of the driven gear 440 , or may be arranged at regular intervals only on a portion of the circumference of the driven gear 440 .
- the plurality of driven gear teeth may include a first driven gear tooth 441 and a second driven gear tooth 442 disposed adjacent thereto, and the plurality of driving gear teeth 431 includes a first driven gear tooth 441 and It may include an occlusal driving gear 431 disposed between the second driven gears 442 .
- the first driven gear 441 , the second driven gear 442 , and the mating drive gear 431 are the driving gear 430 and the driven gear 440 among the plurality of driving gears and the plurality of driven gears. It may be defined as one driving gear and two driven gears that mesh with each other according to relative rotation.
- the driving gear disposed between the driven gears changes as the driving gear 430 and the driven gear 440 rotate, the first driven gear 441, the second driven gear 442 and the mating driver defined above.
- the jay 431 is changed according to the rotation of the driving gear 430 and the driven gear 440 .
- the driven gear 440 is rotated when the driving gear 430 is rotated in the forward direction, the occlusal driving gear 431 is in close contact with the first driven gear 441 , and the driving gear 430 is rotated in the reverse direction. , the occlusal driving gear 431 may be rotated by being in close contact with the second driven gear 442 .
- the air purifier 1 may be provided with a discharge space between the body 100 and the wind direction control unit 400, which is a space through which filtered air is discharged.
- a discharge space may be provided.
- the discharge space may be divided into a first discharge area S1 and a second discharge area S2 .
- the first discharge area S1 means an area through which air is discharged to one side of the wind direction control unit 400
- the second discharge area S2 is an area through which air is discharged to the other side of the wind direction control unit 400 .
- the driving gear 430 when the driving gear 430 is rotated in the forward direction, the wind direction control unit 400 may be rotated to increase the first discharge area S1 and decrease the second discharge area S2 .
- the driving gear 430 is rotated in the reverse direction, the wind direction control unit 400 is rotated so that the first discharge area S1 may become smaller and the second discharge area S2 may become larger.
- the first discharge area S1 is an area located at one side of the elevating unit 500 when the air purifier is viewed from the side
- the second discharge area S2 is an area located at the other side of the elevating unit 500 .
- the first discharge area S1 and the second discharge area S2 may form one discharge port.
- the first discharge area S1 may correspond to one side of one discharge port
- the second discharge area S2 may correspond to the other side of the single discharge port.
- the elevating unit 500 may elevate the wind direction control unit 400 with respect to the body 100 .
- the elevating unit 500 may raise the wind direction adjusting member 410 so that the upper part of the body 100 is opened, or may descend the wind direction adjusting member 410 to close the upper part of the body 100 .
- the wind direction control unit 400 is lifted upward with respect to the body 100 as shown in FIG. 3 and placed in an open state to open the upper part of the body 100, or FIG.
- the elevating unit 500 may be supported by the body 100 to be movable in the vertical direction.
- the elevating unit 500 may include a rack and a pinion gear to elevate.
- the control device 600 may control the driving of the blower 200 , the wind direction control unit 400 , and the elevating unit 500 according to a signal from the operation module 700 .
- the control device 600 may be implemented by an arithmetic device including a microprocessor, a memory, and the like, and since the implementation method is obvious to those skilled in the art, further detailed description will be omitted.
- the operation module 700 may include a plurality of input units for the user to operate the operation of the air purifier 1 , and these input units may include buttons, touch pads, and the like.
- the operation module 700 transmits a signal according to the user's operation to the control device 600 , and the control device 600 controls other components of the air purifier 1 based on the signal input from the operation module 700 . can be controlled
- An input unit provided to the operation module 700 for example, a wind speed input unit for manipulating the blowing force of a blower, an elevating input unit for elevating the elevating unit, a rotation input unit for rotating the wind direction control unit, etc.
- the manipulation module 700 may be disposed on the wind direction adjusting member 410 so as to be spaced apart from the rotation axis R of the wind direction adjusting member 410 when viewed from above.
- the manipulation module 700 may descend when the driving gear 430 rotates in the forward direction, and rises when the driving gear 430 rotates in the reverse direction.
- the operation and effect of the air purifier 1 according to an embodiment of the present invention will be described.
- the operations described below are performed by controlling the components of the air purifier 1 such as the blower 200 , the filter 300 , the wind direction control unit 400 , the elevating unit 500 , and the like by the control device 600 .
- the driving gear 430 is temporarily driven so that the rotational direction of the driving gear 430 is switched. , the driving force transmission to the driving gear 430 may be stopped. More specifically, the motor transmits the driving force to rotate the driving gear 430 in one direction and temporarily stops, then drives the driving gear 430 to rotate in the reverse direction by a predetermined angle again, and then the driving gear 430 transmission of the driving force to the Since the driving gear 430 rotates in the reverse direction when it is stopped while rotating, the occlusal driving gear 431 may be in close contact with the second driven gear 442 .
- the driving gear 430 rotates in the reverse direction by a first angle that is a predetermined angle before completely stopping.
- the occlusal driving gear 431 may be in close contact with the second driven gear 442 by the reverse rotation of the motor immediately before being completely stopped. Accordingly, even if the user presses the operation module 700 in a state in which the wind direction adjustment member 410 is inclined to operate the air purifier 1, it is possible to prevent the wind direction adjustment unit 400 from shaking.
- the driving gear 430 when the driving gear 430 is rotated in the reverse direction and then stopped, the driving gear 430 is rotated in the reverse direction by a second angle different from the first angle, so that any driving gear 431 is the second target. It is also possible to control the motor 420 so as to be more closely attached to the synchronization value 411 .
- the second angle may be smaller than the first angle, but is not limited thereto.
- the motor 420 controls the wind direction control member 410 before the wind direction control member 410 completely closes the discharge spaces S1 and S2.
- the wind direction control member 410 may be rotated so as to be oriented parallel to the upper surface of the body 100 (eg, in a horizontal direction).
- the wind direction control member 410 is rotated while descending toward the body 100, or descending toward the body 100. It can be pre-rotated before.
- the wind direction control member 410 when the wind direction control member 410 descends toward the body 100, in order to prevent the user's fingers from being caught between the wind direction control member 410 and the body 100, the wind direction control member 410 is After descending toward the body 100 , it may rise by a predetermined distance and then descend again toward the body 100 .
- the distance at which the wind direction control member 410 descends to switch to the closed state is a first distance
- the distance at which the wind direction control member 410 descends and rises again may be called a second distance, This second distance may be smaller than the first distance.
- the motor 420 is driven so that the driving gear 430 is rotated in the reverse direction by a second angle or a preset angle smaller than this second angle.
- a part of the driving gear 430 may be in close contact with the second driven gear 442 when the wind direction control unit 400 is placed in the closed state even when the driving gear 430 is switched to the closed state.
- the wind direction adjusting member 410 when the driving gear 430 rotates in the reverse direction when it is switched from the open state to the closed state, the wind direction adjusting member 410 is inclined so that the second discharge area S2 is larger than the first discharge area S1. can In other words, the wind direction control member 410 may descend in an inclined state.
- the wind direction control member 410 descending in an inclined state may be oriented (eg, oriented in a horizontal direction) so as to be rotated in contact with the body 100 and placed in a closed state.
- the driven gear 440 since the driven gear 440 is rotated in engagement with the wind direction adjusting member 410 , the driven gear 440 may be rotated by rotating so that the wind direction adjusting member 410 is oriented to be placed in a closed state.
- the direction in which the driven gear 440 is rotated is a direction in which the second driven gear 442 and a portion of the driving gear 431 are in closer contact.
- the wind direction control unit 400 When the wind direction control unit 400 is switched to the closed state, the previously defined arbitrary drive gear 431 is in close contact with the second driven gear 442, so that the drive gear 431 is controlled in advance before entering the open state. 2 may be in close contact with the driven gear 442 . Accordingly, even if the user presses the operation module 700 immediately after the wind direction control unit 400 is switched from the closed state to the open state, the wind direction control unit 400 can be prevented from shaking.
- the motor 420 is The driving gear 430 may be driven to rotate in the reverse direction.
- the wind direction control member 410 initially descends toward the body 100 during the transition from the open state to the closed state, it descends in a state parallel to the orientation of the wind direction control member 410 in the closed state.
- when descending again toward the body 100 after ascending may be inclined to descend with respect to the orientation of the wind direction control member 410 in the closed state.
- the wind direction control member 410 is shown to be rotated in the reverse direction when the second descends, but the embodiment of the present invention is not limited thereto. Regardless of the number of descending times of the wind direction control member 410 , for example, when starting descending from the open state to change from the open state to the closed state, the wind direction control member 410 may be rotated in the reverse direction by driving the motor 420 . Also, as another example, the driving gear 430 may be rotated in the reverse direction by driving the motor 420 before starting the first descent from the open state in order to change from the open state to the closed state.
- the reverse rotation of the driving gear 430 is a preliminary operation before the lowering of the wind direction control member 410 , and is included in the conversion process from the open state to the closed state of the wind direction control unit 400 .
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air-Flow Control Members (AREA)
Abstract
Description
Claims (8)
- 공기가 유입될 수 있는 유입구가 형성된 바디;상기 바디의 내부에 수용되고, 상기 공기를 유동시키기 위한 송풍력을 제공하는 송풍기;상기 바디의 내부로 유입된 상기 공기를 여과하는 필터;상기 필터를 통과한 여과공기가 배출되는 방향을 조절하기 위한 풍향조절유닛;사용자에 의해 조작되어 신호가 출력되는 조작모듈; 및상기 신호에 의해, 상기 풍향조절유닛을 제어하는 제어장치를 포함하고,상기 풍향조절유닛은,수평 방향으로 연장되는 회전축을 중심으로 상기 바디에 대하여 회전 가능하게 구성되는 풍향조절부재;상기 풍향조절부재를 회전시키기 위한 구동력을 제공하는 모터;상기 모터에서 제공되는 상기 구동력에 의해 회전되는 구동기어; 및상기 구동기어에 의해 회전되는 피동기어를 포함하고,상기 조작모듈은 상측에서 보았을 때 상기 풍향조절부재의 회전축으로부터 이격되도록 상기 풍향조절부재에 배치되고,상기 구동기어가 정방향으로 회전되면, 상기 풍향조절부재는 상기 조작모듈이 하강하는 방향으로 회전되고, 상기 구동기어가 상기 정방향의 반대방향인 역방향으로 회전되면, 상기 풍향조절부재는 상기 조작모듈이 상승하는 방향으로 회전되고,상기 제어장치는,상기 구동기어가 회전되다가 정지할 경우, 상기 구동기어가 미리 정해진 각도만큼 상기 역방향으로 회전된 후 정지되도록 상기 모터를 제어하는,공기청정기.
- 제 1 항에 있어서,상기 구동기어는 복수 개의 구동기어치를 포함하고,상기 피동기어는 복수 개의 피동기어치를 포함하며,상기 복수 개의 피동기어치는 제1 피동기어치와 상기 제1 피동기어치에 인접하게 배치된 제2 피동기어치를 포함하고,상기 복수 개의 구동기어치는 상기 제1 피동기어치와 상기 제2 피동기어치 사이에 배치되는 교합 구동기어치를 포함하고,상기 피동기어는 상기 구동기어가 정방향으로 회전할 때 상기 교합 구동기어치가 상기 제1 피동기어치와 밀착됨으로써 회전되고, 상기 구동기어가 역방향으로 회전할 때 상기 교합 구동기어치가 상기 제2 피동기어치와 밀착됨으로써 회전되며,상기 제어장치는,상기 구동기어가 상기 정방향으로 회전되다가 정지할 경우, 상기 구동기어가 상기 역방향으로 회전되어 상기 교합 구동기어치가 상기 제2 피동기어치에 밀착되도록 상기 모터를 제어하는,공기청정기.
- 제 2 항에 있어서,상기 제어장치는상기 구동기어가 상기 정방향으로 회전되다가 정지할 경우, 상기 구동기어가 상기 미리 정해진 각도인 제1 각도만큼 역방향으로 회전되어 상기 교합 구동기어치가 상기 제2 피동기어치에 밀착되도록 상기 모터를 제어하는,공기청정기.
- 제 3 항에 있어서,상기 제어장치는상기 구동기어가 상기 역방향으로 회전되다가 정지할 경우, 상기 구동기어가 상기 제1 각도와 상이한 제2 각도만큼 역방향으로 회전되어 상기 교합 구동기어치가 상기 제2 피동기어치에 더 밀착되도록 상기 모터를 제어하는,공기청정기.
- 제 4 항에 있어서,상기 제1 각도는 상기 제2 각도보다 큰,공기청정기.
- 제 2 항에 있어서,상기 제어장치에 의해 제어되어 상기 풍향조절유닛을 승하강시키는 승하강유닛을 더 포함하고,상기 풍향조절유닛은 상기 승하강유닛에 의해 상기 바디로부터 상방으로 이격되어 상기 바디의 상부를 개방하는 개방상태에 놓이거나, 상기 바디에 밀착되어 상기 바디의 상부를 폐쇄하는 폐쇄상태에 놓이고,상기 구동기어는,상기 풍향조절유닛이 상기 폐쇄상태로 전환될 때, 상기 교합 구동기어치가 상기 제2 피동기어치에 밀착되도록 역방향으로 회전되는,공기청정기.
- 제 6 항에 있어서,상기 풍향조절유닛은 상기 폐쇄상태로 전환될 때, 상기 풍향조절부재가 개방상태로부터 바디를 향해 제1 거리만큼 하강하고, 이후 상기 제1 거리보다 작은 제2 거리로 상승하며, 이후 다시 바디를 향해 재차 하강하도록 구동되고,상기 구동기어는, 상기 제2 거리만큼 상승한 이후에 상기 교합 구동기어치가 상기 제2 피동기어치에 밀착되도록 역방향으로 회전되는,공기청정기.
- 제 6 항에 있어서,상기 풍향조절유닛이 상기 폐쇄상태로 전환될 때, 상기 구동기어는, 상기 풍향조절부재가 하강을 시작하기 전에 상기 교합 구동기어치가 상기 제2 피동기어치에 밀착되도록 역방향으로 회전되는,공기청정기.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023564243A JP7607150B2 (ja) | 2021-04-21 | 2022-04-12 | 空気清浄機 |
| US18/556,126 US20240219061A1 (en) | 2021-04-21 | 2022-04-12 | Air purifier |
| CN202280030043.7A CN117255921A (zh) | 2021-04-21 | 2022-04-12 | 空气净化器 |
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| Application Number | Priority Date | Filing Date | Title |
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| KR20210052019 | 2021-04-21 | ||
| KR10-2021-0052019 | 2021-04-21 | ||
| KR1020210144913A KR20220145248A (ko) | 2021-04-21 | 2021-10-27 | 공기청정기 |
| KR10-2021-0144913 | 2021-10-27 |
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| WO2022225243A1 true WO2022225243A1 (ko) | 2022-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2022/005235 Ceased WO2022225243A1 (ko) | 2021-04-21 | 2022-04-12 | 공기청정기 |
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| Country | Link |
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| US (1) | US20240219061A1 (ko) |
| JP (1) | JP7607150B2 (ko) |
| WO (1) | WO2022225243A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| USD1051324S1 (en) * | 2024-07-10 | 2024-11-12 | Foshan Shunde Zhuotai Hardware Products Co., Ltd. | Pet air purifier |
| USD1051323S1 (en) * | 2024-07-10 | 2024-11-12 | Foshan Shunde Zhuotai Hardware Products Co., Ltd. | Pet air purifier |
| USD1054007S1 (en) * | 2024-09-13 | 2024-12-10 | Haomin Ruan | Air purifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183152A (ja) * | 1997-09-09 | 1999-03-26 | Kojima Press Co Ltd | 車両用空気吹出口装置 |
| KR20140096971A (ko) * | 2013-01-29 | 2014-08-06 | 코웨이 주식회사 | 순환구조 공기조화장치 |
| WO2017101856A1 (zh) * | 2015-12-18 | 2017-06-22 | 珠海格力电器股份有限公司 | 驱动组件以及空调器 |
| KR101932513B1 (ko) * | 2016-09-22 | 2018-12-26 | 주식회사 중앙이엠씨 | 건축물의 실내공기 배출용 환풍기 및 그것을 포함하는 환풍장치 |
| KR20190106453A (ko) * | 2018-03-09 | 2019-09-18 | 엘지전자 주식회사 | 공기 청정기 및 그 제어방법 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4196121B2 (ja) | 2004-12-24 | 2008-12-17 | パナソニック株式会社 | モータ制御装置 |
| JP6777753B2 (ja) | 2016-02-26 | 2020-10-28 | エルジー エレクトロニクス インコーポレイティド | 空気清浄機 |
| JP2017172852A (ja) | 2016-03-23 | 2017-09-28 | パナソニックIpマネジメント株式会社 | 空気清浄装置 |
-
2022
- 2022-04-12 JP JP2023564243A patent/JP7607150B2/ja active Active
- 2022-04-12 WO PCT/KR2022/005235 patent/WO2022225243A1/ko not_active Ceased
- 2022-04-12 US US18/556,126 patent/US20240219061A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183152A (ja) * | 1997-09-09 | 1999-03-26 | Kojima Press Co Ltd | 車両用空気吹出口装置 |
| KR20140096971A (ko) * | 2013-01-29 | 2014-08-06 | 코웨이 주식회사 | 순환구조 공기조화장치 |
| WO2017101856A1 (zh) * | 2015-12-18 | 2017-06-22 | 珠海格力电器股份有限公司 | 驱动组件以及空调器 |
| KR101932513B1 (ko) * | 2016-09-22 | 2018-12-26 | 주식회사 중앙이엠씨 | 건축물의 실내공기 배출용 환풍기 및 그것을 포함하는 환풍장치 |
| KR20190106453A (ko) * | 2018-03-09 | 2019-09-18 | 엘지전자 주식회사 | 공기 청정기 및 그 제어방법 |
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| Publication number | Publication date |
|---|---|
| US20240219061A1 (en) | 2024-07-04 |
| JP7607150B2 (ja) | 2024-12-26 |
| JP2024514927A (ja) | 2024-04-03 |
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