EP3773108B1 - Équipement de collecte de poussière - Google Patents

Équipement de collecte de poussière Download PDF

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Publication number
EP3773108B1
EP3773108B1 EP19778221.2A EP19778221A EP3773108B1 EP 3773108 B1 EP3773108 B1 EP 3773108B1 EP 19778221 A EP19778221 A EP 19778221A EP 3773108 B1 EP3773108 B1 EP 3773108B1
Authority
EP
European Patent Office
Prior art keywords
suction port
flow path
blocking member
cleaner
path blocking
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.)
Active
Application number
EP19778221.2A
Other languages
German (de)
English (en)
Other versions
EP3773108A4 (fr
EP3773108A1 (fr
Inventor
Hyemin KANG
Sangik Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
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 EP3773108A1 publication Critical patent/EP3773108A1/fr
Publication of EP3773108A4 publication Critical patent/EP3773108A4/fr
Application granted granted Critical
Publication of EP3773108B1 publication Critical patent/EP3773108B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/165—Construction of inlets
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the present invention relates to dust collecting equipment, and more particularly, to dust collecting equipment and a cleaner capable of accomplishing automatic cleaning and manual cleaning.
  • the cleaner is divided into a manual cleaner for manually cleaning the surface to be cleaned by a user and an automatic cleaner for cleaning the surface to be cleaned while traveling by itself.
  • the cleaner main body having the suction unit and the dust container may be provided with an ultrasonic sensor and/or camera sensor, or the like.
  • the cleaning nozzle sucks the foreign matter on the surface to be cleaned by the suction force generated in the suction unit while the cleaner main body automatically travels around the surface to be cleaned, and the sucked foreign matter is collected in the dust container, thereby cleaning the surface to be cleaned.
  • the cleaning nozzle used in the manual cleaner is moved to the surface to be cleaned by a user and is brought into close contact with the surface to be cleaned.
  • the cleaning nozzle used in the automatic cleaner is disposed to be in close contact with the surface to be cleaned when it is in a state of being coupled to the cleaner main body.
  • FR 2 713 469 A1 relates to an oscillating vane that alternately open and close inlets of dual inlet vacuum cleaner.
  • the cleaner further comprises a movement guide which guides movement of the flow path blocking member; and an elastic member which provides an elastic force to return the flow path blocking member to the second position.
  • the flow path blocking member returns to the second position due to the elastic force of the elastic member, when the coupling of the cleaning nozzle for manual cleaning coupled to the second suction port is released
  • the cleaner further comprises a coupling sensor which detects that a cleaning nozzle for manual cleaning is coupled to the second suction port, and the actuator moves the flow path blocking member to the first position when the cleaning nozzle for manual cleaning is coupled to the second suction port.
  • the present invention includes a suction port to which a cleaning nozzle for automatic cleaning is coupled, a suction port to which a cleaning nozzle for manual cleaning is coupled, and a discharge port through which the dust-separated air is discharged, thereby implementing a cleaner capable of automatically cleaning and manually cleaning, and easily switching from automatic cleaning to manual cleaning without changing any configuration.
  • FIG. 1 is a perspective view showing a cleaner according to an embodiment of the present invention
  • FIG. 2 is a view showing a cleaner in a state in which a dust container is separated in FIG. 1
  • FIG. 3 is a schematic sectional view of the cleaner of FIG. 1 .
  • a cleaner 100 includes a cleaner main body 110, a cleaning nozzle 120 for automatic cleaning, a sensing unit 130, and dust collecting equipment.
  • the dust collecting equipment includes a dust separation unit 160, 170, a dust box 140, and a flow path blocking member 220.
  • the cleaner main body 110 may be selected in one of an automatic mode and a manual mode by the user and travel.
  • the cleaner main body 110 may be provided with a mode selection input unit for selecting one of the automatic mode and the manual mode.
  • the cleaner main body 110 may automatically travel like a robot cleaner.
  • the cleaner main body 110 may travel manually by being dragged or pushed by user's force.
  • the cleaner main body 110 when a user couples a cleaning nozzle for manual cleaning to a second suction port, the cleaner main body 110 travels manually by dragging or pushing by the user's force, and when the cleaning nozzle for manual cleaning is detached from the second suction port, the cleaner main body 110 may travel automatically like a robot cleaner.
  • the cleaner main body 110 is provided with a wheel 111 for traveling.
  • the wheel 111 is provided to be rotatable by receiving a driving force from a motor (not shown).
  • the rotation direction of the motor may be controlled by a controller (not shown), and thus, a wheel 111 may be configured to be rotatable in one direction or the other direction.
  • Each of the wheel 111 may be configured to be drivable independently of each other. To this end, each wheel 111 may be driven by a different motor.
  • the controller controls the driving of the wheel 111, so that the cleaner 100 is implemented to autonomously travel on the floor.
  • the wheel 111 is provided in a lower portion of the cleaner main body 110 to move the cleaner main body 110.
  • the wheel 111 may be configured only of circular wheels, may be configured by circular rollers which are connected by a belt chain, or may be configured by combining a wheel formed of circular wheels with a wheel having circular rollers which are connected by a belt chain.
  • the upper portion of the wheel 111 may be disposed inside the cleaner main body 110 and the lower portion thereof may protrude to a lower side of the cleaner main body 110. At least the lower portion of the wheel 111 is provided in contact with the floor surface which is a surface to be cleaned, so that the cleaner main body 110 can travel.
  • the wheel 111 may be installed in the left and right sides of the cleaner main body 110, respectively.
  • the wheel 111 disposed in the left side of the cleaner main body 110 and the wheel 111 disposed in the right side of the cleaner 100 may be independently driven. That is, the wheel 111 disposed in the left side of the cleaner main body 110 may be coupled to each other via at least one first gear, and may be rotated by the driving force of a first traveling motor that rotates the first gear.
  • the wheel 111 disposed in the right side of the cleaner main body 110 may be coupled to each other via at least one second gear, and may be rotated by the driving force of a second traveling motor that rotates the second gear.
  • the controller may determine the travelling direction of the cleaner main body 110 by controlling the rotational speed of each rotating shaft of the first traveling motor and the second traveling motor. For example, when the rotating shafts of the first traveling motor and the second traveling motor are simultaneously rotated at the same speed, the cleaner main body 110 can move straight. In addition, when the rotating shafts of the first traveling motor and the second traveling motor are simultaneously rotated at different speeds, the controller may turn the cleaner main body 110 to the left or right side. The controller may drive one of the first traveling motor and the second traveling motor and stop the other so as to turn the cleaner main body 110 to the left or right.
  • a suspension unit may be installed inside the cleaner main body 110.
  • the suspension unit may include a coil spring.
  • the suspension unit can absorb the shock and vibration transmitted from the wheel 111 during travel of the cleaner main body 110 by using an elastic force of the coil spring.
  • the suspension unit may be provided with an elevating unit for adjusting the height of the cleaner main body 110.
  • the elevating unit can be vertically movably installed in the suspension unit and can be coupled to the cleaner 100. Therefore, when the elevating unit is moved upward from the suspension unit, the cleaner 100 can be moved upward together with the elevating unit. When the elevating unit is moved downward from the suspension unit, the cleaner 100 can be moved downward together with the elevating unit.
  • the cleaner 100 may be vertically moved by the elevating unit to adjust the height.
  • the bottom surface of the cleaning nozzle 120 for automatic cleaning may move while being in close contact with the floor surface so that the floor surface can be cleaned.
  • slipping may occur in the wheel 111 so that the traveling performance of the cleaner main body 110 may be reduced.
  • the traveling performance of the cleaner main body 110 may be reduced due to the force of sucking the carpet by the cleaning nozzle 120 for automatic cleaning.
  • the elevating unit adjusts the height of the cleaner main body 110 according to the slip rate of the wheel 111 (the same in below), the degree to which the bottom surface of the cleaning nozzle 120 for automatic cleaning is in close contact with the surface to be cleaned can be adjusted, so that the traveling performance of the cleaner main body 110 can be maintained regardless of the material of the surface to be cleaned.
  • both the left and right wheels 111 can not be rotated. Therefore, in the manual mode of the cleaner main body 110, the left and right wheels 111 and the first and second traveling motors should be disconnected.
  • a clutch is disposed inside the cleaner main body 110 to connect the left and right wheels 111 and the first and second traveling motors when the cleaner main body 110 is in the automatic mode, and to disconnect the left and right wheels 111 and the first and second traveling motors when the cleaner main body 110 is in the manual mode.
  • the cleaner main body 110 is equipped with a battery (not shown) for supplying power to an electrical component of the cleaner 100.
  • the battery is configured to be chargeable and detachable from the cleaner main body 110.
  • the cleaner main body 110 is provided with a dust container accommodating unit 112, and the dust container 140 for separating and collecting dust in the sucked air is detachably coupled to the dust container accommodating unit 112.
  • the dust container accommodating unit 112 may have a shape opened frontward and upward of the cleaner main body 110 and may be recessed from the front side of the cleaner main body 110 to the rear side.
  • the dust container accommodating unit 112 may be formed such that the front side, the upper side, and the lower side of a front portion of the cleaning body 110 are opened.
  • the dust container accommodating unit 112 may be formed in other position (e.g., behind the cleaner main body 110) depending on the type of the cleaner.
  • the dust container 140 is detachably coupled to the dust container accommodating unit 112. A part of the dust container 140 may be accommodated in the dust container accommodating unit 112 and the other part of the dust container 140 may protrude toward the front of the cleaner main body 110.
  • the dust container 140 has a first suction port 142 through which the dust-containing air is introduced through the cleaning nozzle 120 for automatic cleaning, a second suction port 142 through which the dust-containing air is introduced through the cleaning nozzle for manual cleaning, and a discharge port 143 through which the dust-separated air is discharged.
  • the first suction port 142 and the discharge port 143 are configured to communicate with a first opening 116 and a second opening 117 formed in the inner lateral side wall of the dust container accommodating unit 112, respectively.
  • the dust-containing air introduced through the cleaning nozzle 120 for automatic cleaning flows into the dust container 140 through the suction flow path 129 inside the cleaner main body 110, and passes through at least one dust separation unit (e.g., a cyclone, a filter, etc.) to separate the air and the dust from each other.
  • the dust is collected in the dust container 140 and the air is discharged from the dust container 140, and then finally discharged to the outside through the exhaust port via the exhaust flow path inside the cleaner main body 110.
  • the cleaner main body 110 is provided with an upper cover 113 covering the dust container 140 accommodated in the dust container accommodating unit 112.
  • the upper cover 113 may be hinged to one side of the cleaner main body 110 to be rotatable.
  • the upper cover 113 may cover the opened upper side of the dust container accommodating unit 112 and cover the upper side of the dust container 140.
  • the upper cover 113 may be configured to be detachable from the cleaner main body 110.
  • the separation of the dust container 140 from the dust container accommodating unit 112 may be restricted in a state in which the upper cover 113 is disposed to cover the dust container 140.
  • the photographing unit 115 may include two or more cameras that obtain an existing two-dimensional image, and may achieve a stereoscopic vision scheme that generates three-dimensional coordinate information by combining two or more images obtained from two or more cameras.
  • the laser of the above mentioned photographing unit 115 is configured to irradiate a laser extending in at least one direction.
  • the photographing unit 115 may include first and second lasers, and the first laser may irradiate linear lasers intersected with each other and the second laser may irradiate a single linear laser.
  • the lowermost laser is used to detect obstacles in the floor
  • the uppermost laser is used to detect obstacles in the upper portion
  • the intermediate laser between the lowermost laser and the uppermost laser detects an obstacle in the middle portion.
  • the sensing unit 130 may be disposed below the upper cover 113 and the sensing unit 130 may be detachably coupled to the dust container 140.
  • the sensing unit 130 is disposed in the cleaner main body 110 and detects information related to the environment where the cleaner main body 110 is positioned.
  • the sensing unit 130 detects information related to the environment to generate field data.
  • the sensing unit 130 is configured to be able to accomplish panning (move to left and right) and tilting (disposed to be inclined up and down) in order to improve the detecting function of the cleaner and the traveling function of the robot cleaner.
  • the sensing unit 130 is disposed in the front side of the cleaner main body 110 and disposed between the dust container 140 and the upper cover 113.
  • a coupling protrusion 132d protrudes from the lower surface of the sensing unit 130, and a coupling groove 141 through which the coupling protrusion 132d is inserted is formed in the upper surface of the dust container 141.
  • the coupling protrusion 132d is inserted into the coupling groove 141 so that the dust container 140 is coupled to the sensing unit 130 and unable to be separated from the cleaner main body 110.
  • the coupling protrusion 132d escapes from the coupling groove 141, so that the dust container 140 is disconnected from the sensing unit 130 and able to be separated from the cleaner main body 110.
  • the sensing unit 130 may include at least one of an external signal sensor, an obstacle sensor, a cliff sensor, a lower camera sensor, an upper camera sensor, an encoder, a shock sensor, and a microphone.
  • the external signal sensor can detect an external signal of the cleaner 100.
  • the external signal sensor may be, for example, an infrared ray sensor, an ultrasonic sensor, a Radio Frequency (RF) sensor, or the like.
  • RF Radio Frequency
  • the cleaner 100 may receive a guide signal generated by a charging signal by using the external signal sensor and detect information on the position and the direction of the charging base. At this time, the charging base may transmit a guide signal indicating the direction and the distance so that the cleaner 100 can return. That is, the cleaner 100 may receive a signal transmitted from the charging base, determine the current position, and set the moving direction so that it can return to the charging base.
  • the obstacle sensor can detect an obstacle ahead. Thus, field data for the obstacle is generated.
  • the obstacle sensor may detect an object existing in the moving direction of the cleaner 100 and may transmit the generated field data to the controller. That is, the obstacle sensor can detect protrusions existing on the moving path of the cleaner 100, furnishings in the house, furniture, wall, wall corner, and the like, and transmit the field data to the controller.
  • the cliff sensor can detect obstacles on the floor supporting the cleaner main body 110 by mainly using various types of optical sensors. Thus, field data for an obstacle on the floor is generated.
  • the cliff sensor may be, like an obstacle sensor, an infrared sensor having a light emitting unit and a light receiving unit, an ultrasonic sensor, an RF sensor, a position sensitive detector (PSD) sensor, or the like.
  • the controller may measure an infrared angle between a light emitting signal of the infrared ray emitted by the cliff sensor toward the ground and a reflection signal received after being reflected by the obstacle so that it can detect the cliff and acquire the field data of the depth.
  • a lower camera sensor acquires image information (field data) about the surface to be cleaned while the cleaner 100 is moving.
  • the lower camera sensor is also referred to as an optical flow sensor.
  • the lower camera sensor may convert a lower side image inputted from an image sensor provided in the sensor to generate image data (field data) of a certain format. Field data for an image recognized through the lower camera sensor can be generated.
  • the controller may detect the position of a mobile robot irrespective of the slip of the mobile robot.
  • the controller may compare and analyze the image data photographed by the lower camera sensor according to time and calculate the movement distance and the movement direction, and calculate the position of the mobile robot based on the calculated movement distance and the movement direction.
  • the shock sensor may detect a shock when the cleaner 100 collides with an external obstacle or the like. Thus, field data on an external shock is generated.
  • the microphone may detect an external sound. Accordingly, field data for the external sound is generated.
  • the sensing unit 130 includes an image sensor.
  • the field data is image information acquired by the image sensor or feature point information extracted from the image information, but it is not necessarily limited thereto.
  • a cable adaptor 118 may be disposed in the open lower side of the dust container accommodating unit 112.
  • the cable adaptor 118 may be coupled to the cleaner main body 110 to form a part of the cleaner main body 110. That is, when the cable adaptor 118 is coupled to the cleaner main body 110, the cable adaptor 118 may be considered as the same configuration as that of the cleaner main body 110.
  • the dust container 140 for storing foreign matter may be placed on the cable adaptor 118.
  • the cable adaptor 118 may connect the cleaner main body 110 and the cleaning nozzle 120 for automatic cleaning.
  • the cable adaptor 118 may connect the suction flow path 129 of the cleaner main body 110 and the suction flow path 129 of the cleaning nozzle 120 for automatic cleaning.
  • the cleaning nozzle 120 for automatic cleaning is configured to suck the dust-containing air or to wipe the floor.
  • the cleaning nozzle 120 for automatic cleaning for sucking the dust-containing air may be referred to as a suction module
  • the cleaning nozzle 120 for automatic cleaning for wiping the floor may be referred to as a mop module.
  • the cleaning nozzle 120 for automatic cleaning may be detachably coupled to the cleaner main body 110.
  • the mop module may be detachably coupled to the cleaner main body 110 in place of the detached suction module. Accordingly, when a user desires to remove the dust on the floor, the suction module is mounted in the cleaner main body 110, and when the user desires to wipe the floor, the mop module may be mounted in the cleaner main body 110.
  • the cleaning nozzle 120 for automatic cleaning may be configured to have a function of wiping the floor after sucking the dust-containing air.
  • the cleaning nozzle 120 for automatic cleaning may be disposed below the cleaner main body 110 or may protrude from one side of the cleaner main body 110 as shown in the drawing.
  • One side of the cleaner main body 110 may be a side in which the cleaner main body 110 travels in the forward direction, i.e., the front portion of the cleaner main body 110.
  • the cleaning nozzle 120 for automatic cleaning may be disposed forward of the wheel 111, and a part of the cleaning nozzle 120 for automatic cleaning may protrude forward of the dust container 140.
  • the cleaning nozzle 120 for automatic cleaning protrudes from one side of the cleaner main body 110 to the front side and to both the left and right sides.
  • the front end portion of the cleaning nozzle 120 for automatic cleaning is disposed in a position spaced forward from one side of the cleaner main body 110, and the left and right end portions of the cleaning nozzle 120 for automatic cleaning are disposed to be spaced apart from one side of the cleaner main body 110 to the left and right sides of the cleaner main body 110.
  • a suction motor 150 may be installed inside the cleaner main body 110.
  • An impeller (not shown) may be coupled to the rotating shaft of the suction motor 150. When the suction motor 150 is driven so that the impeller is rotated together with the rotating shaft, the impeller can generate a suction force.
  • An suction flow path 129 may be formed in the cleaner main body 110. Foreign matter such as dust flows into the cleaning nozzle 120 for automatic cleaning, from the surface to be cleaned, by the suction force generated by the driving force of the suction motor 150, and the foreign matter introduced into the cleaning nozzle 120 for automatic cleaning may be introduced into the suction flow path 129.
  • the cleaning nozzle 120 for automatic cleaning may clean the floor surface to be cleaned when the cleaner main body 110 travels in the automatic mode.
  • the cleaning nozzle 120 for automatic cleaning may be disposed adjacent to the floor surface among the front side surface of the cleaner main body 110.
  • a suction port for suctioning air may be formed on the bottom surface of the cleaning nozzle 120 for automatic cleaning. When the cleaning nozzle 120 for automatic cleaning is coupled to the cleaner main body 110, the suction port may be disposed toward the floor surface.
  • the cleaning nozzle 120 for automatic cleaning may be coupled to the cleaner main body 110 through a cable adaptor 118.
  • the cleaning nozzle 120 for automatic cleaning may communicate with the suction flow path 129 of the cleaner main body 110 through the cable adaptor 118.
  • the cleaning nozzle 120 for automatic cleaning may be disposed below the dust container 140 disposed in the front portion of the cleaner main body 110.
  • the cleaning nozzle 120 for automatic cleaning may include a case having a suction port formed in a bottom surface thereof, and a brush unit may be rotatably installed in the case.
  • the case may provide an empty space so that the brush unit can be rotatably installed therein.
  • the brush unit may include a rotating shaft formed to be long in the left and right direction and a brush protruded to an outer circumference of the rotating shaft. The rotating shaft of the brush unit may be rotatably coupled to the left and right side surfaces of the case.
  • a case 121 and 122 of the cleaning nozzle 120 for automatic cleaning may include a center case 121, and a side case 122 which is disposed respectively in both sides of the center case 121 and forms a left side surface and a right side surface of the case 121 and 122 of the cleaning nozzle 120 for automatic cleaning.
  • a suction port may be formed in the bottom surface portion of the center case 121.
  • Both sides of the center case 121 may be opened, and the side case 122 on both sides may be respectively coupled to both sides of the center case 121 to cover both open sides of the center case 121.
  • the brush unit is disposed such that the brush protrudes through the suction port formed in the bottom of the case.
  • the brush unit is rotated by the suction force and can sweep upward dust and other foreign matter on the floor surface to be cleaned.
  • the swept foreign matter may be sucked into the case by the suction force.
  • the brush is formed of a material that does not generate triboelectricity so that foreign matter can not easily adhere thereto.
  • the cable adaptor 118 may be coupled to the front surface of the cleaner main body 110.
  • the cable adaptor 118 may connect the cleaner main body 110 and the cleaning nozzle 120 for automatic cleaning.
  • the cleaning nozzle 120 for automatic cleaning may be detachably coupled to the cable adaptor 118.
  • the cable adaptor 118 can support the lower side of the dust container 140.
  • the cleaning nozzle 120 for automatic cleaning is provided in a state of being in close contact with the floor surface to be cleaned, so that the floor surface can be automatically cleaned when the cleaner main body 110 travels in the automatic mode.
  • the user inputs a manual mode travel of the cleaner main body 110 through the mode selection input unit provided in the cleaner main body 110. Then, the user may detach the cleaning nozzle 120 for automatic cleaning from the cleaner main body 110, and may couple the cleaning nozzle for manual cleaning to the cleaner main body 110 to perform manual cleaning.
  • the cleaning nozzle for manual cleaning may include a long hose in the form of a bellows. In this case, the hose portion of the cleaning nozzle for manual cleaning may be coupled to the cleaner main body 110.
  • the user When the user desires to use the cleaner 100 in the manual mode while using the cleaner 100 in the automatic mode, the user couples the cleaning nozzle 320 for manual cleaning, and moves the flow path blocking member 220 to block the air inflow from the cleaning nozzle 120 for automatic cleaning.
  • dust collecting equipment which enables to easily perform switching between manual cleaning and automatic cleaning, has a simple structure, and does not suck unnecessary outside air will be described.
  • the dust collecting equipment of the present invention shows that the dust container 140 and the dust separation units 160, 170 are integrally formed.
  • the dust container 140 and the dust separation unit 160, 170 may be separately formed.
  • the dust separation unit 160, 170 is positioned inside the dust container 140 in order to save a space and switch between the automatic cleaning and the manual cleaning with a simple structure.
  • the dust separation unit 160, 170 may have a single cyclone, In this case, the axis Al of the cyclone flow may also extend vertically.
  • the dust container 140 includes a dust collecting body 146 having a cylindrical shape, a body cover 148 rotatably coupled to the lower side of the dust collecting body 146, and an upper cover 147 covering the upper side of the dust collecting body 146.
  • the first cyclone 160 does not exist separately, and the upper portion of the dust collecting body 146 serves as the first cyclone 160.
  • At least a part of the second cyclone 170 may be positioned in the dust container 140.
  • the upper portion of the dust collecting body 146 may be defined as a cyclone flow space 11.
  • An inner space of the dust storage guide 504 is the second dust storage unit 506 and a space between the dust storage guide 504 and the dust collecting body 146 is the first dust storage unit 502.
  • the dust collecting equipment may include a first suction port 142 for sucking an external air into the dust separation unit 160 and 170, a second suction port 144 for sucking an external air into the dust separation unit 160 and 170, a discharge port 143 through which the air inside the separation unit 160 and 170 is discharged, and a flow path blocking member 220 selectively covering the first and second suction ports 142 and 144.
  • the first suction port 142 is a space through which an external air is sucked into the dust separation unit 160, 170.
  • the first suction port 142 may be formed on the lateral side (dust collecting body 146) of the dust container 140.
  • the first suction port 142 may be formed on the lateral surface of the dust container 140 to reduce the height of the cleaner main body.
  • the first suction port 142 communicates with the cleaning nozzle for automatic cleaning. Specifically, the first suction port 142 is coupled to the cleaning nozzle for automatic cleaning by the suction flow path 129.
  • the second suction port 144 is a space through which an external air is sucked into the dust separation unit 160, 170.
  • the second suction port 144 may be formed on the lateral surface (dust collecting body 146) of the dust container 140.
  • the second suction port 144 may be formed on the lateral surface of the dust container 140 to reduce the height of the cleaner main body.
  • the second suction port 144 communicates with the cleaning nozzle for manual cleaning 320.
  • the discharge port 143 is a space through which the dust-separated air is discharged from the dust separation unit 160, 170.
  • the discharge port 143 is disposed in the upper surface of the dust container 140, the height of the cleaner is increased, so that the discharge port 143 is preferably located on the lateral side (dust collecting body 146) of the dust container 140.
  • the dust container 140 may further include a partition wall for restricting mixing of air supplied through the discharge port 143 and air introduced through the air suction ports. Specifically, the partition wall restricts the mixing of air discharged from the second cyclone 170 and air flowing in the cyclone flow space 11 of the first cyclone 160.
  • the flow path blocking member 220 may operate in at least one of automatic, semiautomatic, and manual modes. The first embodiment is described on the basis that the flow path blocking member 220 is manually operated.
  • connection path 142a is a space between the first suction port 142 and the cyclone flow space communicated with the second suction port 144.
  • the flow path blocking member 220 may be formed in a plate shape, and may have a size larger than at least the first suction port 142.
  • the air flow of the dust collecting equipment according to the position of the flow path blocking member 220 is as follows.
  • suction port is opened means that the suction port communicates with the cyclone flow space
  • suction port is closed means that the suction port and the cyclone flow space are not communicated with each other.
  • the air containing the dust introduced through the cleaning nozzle for automatic cleaning flows into the inside (cyclone flow space 11) of the dust container 140 through the first suction port 142 to generate a cyclone flow, and the dust drops to the lower side of the dust container 140.
  • the air that firstly removed dust is introduced into the second cyclone 170, and the dust is removed again to be discharged through the discharge port 143.
  • the air including the dust introduced through the cleaning nozzle for manual cleaning 320 flows into the inside (cyclone flow space 11) of the dust container 140 through the second suction port 144 to generate a cyclone flow, and the dust drops to the lower side of the dust container 140.
  • the air that firstly removed dust is introduced into the second cyclone 170, and the dust is removed again to be discharged through the discharge port 143.
  • FIG. 8 is a view showing the flow of air in an automatic cleaning mode of a cleaner of the present invention.
  • the second suction port 144 is blocked by the flow path blocking member 220, and the first suction port 142 is opened.
  • the air containing the dust introduced through the cleaning nozzle for automatic cleaning flows to the first suction port 142 through the suction flow path 129.
  • the air that flowed into the first suction port 142 flows into the inside (cyclone flow space 11) of the dust container 140 to generate a cyclone flow, and the dust is separated.
  • the cleaning nozzle for manual cleaning 320 is not coupled to the second suction port 144.
  • FIG. 9 is a view showing the flow of air in a manual cleaning mode of a cleaner of the present invention.
  • the air containing the dust introduced through the cleaning nozzle 320 for manual cleaning flows into the inside (cyclone flow space 11) of the dust container 140 through the second suction port 144 to generate a cyclone flow, and the dust is separated.
  • FIG. 10 is a perspective view of dust collecting equipment according to a second embodiment of the present invention
  • FIG. 11 is a perspective view showing the dust collecting equipment of FIG. 10 from a different angle
  • FIG. 12 is a cross-sectional perspective view when a flow path blocking member of the dust collecting equipment of FIG. 10 is located in a first position
  • FIG. 13 is a perspective view when a flow path blocking member of the dust collecting equipment of FIG. 10 is located in a second position
  • FIG. 14 is a cross-sectional perspective view of the dust collecting equipment of FIG. 13 .
  • the second embodiment differs from the first embodiment in that the geometric layout of a flow path blocking member 220-1 is different and a movement guide 280 is further included.
  • differences from the first embodiment will be mainly described, and a configuration without special description will be considered as the same as the first embodiment.
  • the flow path blocking member 220-1 of the second embodiment may have a configuration for selectively blocking the first suction port 142 and the second suction port 144 without interfering with the air flow inside the dust container 140.
  • the flow path blocking member 220-1 may have a shape corresponding to a part of the lateral surface (dust collecting body 146) of the dust container 140 and move along the lateral surface of the dust container 140.
  • the flow path blocking member 220-1 may form at least a part of the circumferential surface, and may have the same curvature within a certain error range as the curvature of the inner or outer surface of the lateral surface of the dust container 140.
  • the flow path blocking member 220-1 may have a part of a circumference having a cyclone flow axis A1 as the center, and may be moved in contact with the inner surface of the dust collecting body 146 or the outer surface of the dust collecting body 146.
  • the flow path blocking member 220-1 may move along the circumference having a cyclone flow axis A1 as the center.
  • the movement guide 280 guides the movement of the flow path blocking member 220-1.
  • the movement guide 280 defines a space which protrudes from the dust collecting body 146 and into which at least one end of the movement guide 280 is inserted.
  • the movement guide 280 may protrude from the outer surface of the dust collecting body 146 or protrude from the inner surface thereof.
  • the movement guide 280 may define a space which protrudes from the outer surface of the dust collecting body 146 and into which one end of the flow path blocking member 220-1 is inserted between the dust collecting body 146 and the movement guide 280.
  • the movement guide 280 may be vertically spaced apart from each other so that two movement guides 280 may be disposed.
  • the movement guide 280 extends in the circumferential direction in the dust collecting body 146.
  • the movement guide 280 may be equal to or smaller than the length of the flow path blocking member 220-1.
  • the first suction port 142 is blocked, and the second suction port 144 is opened.
  • the user couples the cleaning nozzle for manual cleaning 320 to the second suction port 144, operates the cleaner, and performs manual cleaning.
  • the air containing the dust introduced through the cleaning nozzle for manual cleaning 320 flows to the inside (the cyclone flow space 11) of the dust container 140 through the second suction port 144 to generate a cyclone flow.
  • the lower surface of a partition wall 162 of the cyclone flow space 11 is formed to be inclined downward as it progresses in the circumferential direction, thereby inducing the cyclone flow of the introduced air.
  • the dust is firstly separated from the cyclone-flowed air, and the air from which dust is firstly separated flows into the second cyclone 170 to secondarily separate dust, and is discharged to the upper portion of the second cyclone 170.
  • the air discharged through the second cyclone 170 is discharged to the discharge port 143 through a space inside the partition wall 162.
  • the third embodiment further includes an elastic member 240 and a coupling unit 144a in comparison with the second embodiment.
  • the third embodiment is different from the second embodiment in that when the flow path blocking member 220-1 automatically returns to its original position, the coupling unit 144a is blocked to restrict the coupling of the cleaning nozzle 320 for manual cleaning.
  • the elastic member 240 provides an elastic force to return the flow path blocking member 220-1 to the first position or the second position.
  • One end of the elastic member 240 may be coupled to one end of the flow path blocking member 220-1 and the other end of the elastic member 240 may be fixed to the dust collecting body 146.
  • the actuator 250 may move the flow path blocking member 220-1 to the first position.
  • the second embodiment shows that the flow path blocking member 220-1 moves to the second position due to the elastic force of the elastic member 240.
  • the actuator 250 may move the flow path blocking members 220-1 to the first position and the second position.
  • the actuator 250 may include various configurations for moving objects.
  • the actuator 250 may have a structure such as a hydraulic cylinder, a pneumatic cylinder, a rack gear, or the like.
  • the actuator 250 includes a motor and a gear connected to the rotation axis of the motor.
  • a rack extending in the longitudinal direction of the flow path blocking member 220-1 may be formed in the flow path blocking member 220-1.
  • the gear is coupled to the rack.
  • the coupling sensor 252 may detect that the cleaning nozzle 320 for manual cleaning is coupled to the second suction port 144, and may provide detection information to the controller or the actuator 250.
  • the coupling sensor 252 may be implemented by various sensors for detecting an object, or implemented in the form of a switch that is energized by a cleaning nozzle for manual cleaning.
  • the controller may generate a signal for moving the flow path blocking member 220-1 to the first position, and generate a signal for changing the mode of cleaner main body into a manual mode.
  • the cleaner main body 110 may be manually moved while being dragged or pushed by the user's force.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)

Claims (14)

  1. Appareil de nettoyage, comprenant :
    une unité de séparation de poussière (160, 170) séparant la poussière de l'air aspiré ;
    un bac à poussière (140) stockant la poussière séparée par l'unité de séparation de poussière (160, 170) ;
    un premier orifice d'aspiration (142) par lequel l'air extérieur est aspiré dans l'unité de séparation de poussière (160, 170) ;
    un deuxième orifice d'aspiration (144) par lequel l'air extérieur est aspiré dans l'unité de séparation de poussière (160, 170) ;
    un orifice d'évacuation (143) par lequel l'air à l'intérieur de l'unité de séparation de poussière (160, 170) est évacué ; et
    un élément de blocage de trajet d'écoulement (220) couvrant sélectivement le premier orifice d'aspiration (142) et le deuxième orifice d'aspiration (144), caractérisé en ce que le premier orifice d'aspiration (142) et le deuxième orifice d'aspiration (144) sont formés sur une surface latérale du bac à poussière (140).
  2. Appareil de nettoyage selon la revendication 1, où l'élément de blocage de trajet d'écoulement (220) effectue un mouvement alternatif entre une première position de couverture du premier orifice d'aspiration (142) et une deuxième position de couverture du deuxième orifice d'aspiration (144).
  3. Appareil de nettoyage selon la revendication 1, comprenant en outre un levier (210) raccordé à l'élément de blocage de trajet d'écoulement (220) et où au moins une partie du levier (210) est exposée à l'extérieur du bac à poussière (140).
  4. Appareil de nettoyage selon la revendication 2, comprenant en outre :
    un guidage de déplacement (280) guidant le déplacement de l'élément de blocage de trajet d'écoulement (220) ; et
    un élément élastique (240) générant une force élastique pour rappeler l'élément de blocage de trajet d'écoulement (220) vers la deuxième position.
  5. Appareil de nettoyage selon la revendication 1, où l'élément de blocage de trajet d'écoulement (220) empêche l'accouplement d'une buse de nettoyage (320) pour nettoyage manuel raccordée au deuxième orifice d'aspiration (144), lorsque l'élément de blocage de trajet d'écoulement (220) est situé dans une deuxième position.
  6. Appareil de nettoyage selon la revendication 1, où l'élément de blocage de trajet d'écoulement (220) permet l'accouplement d'une buse de nettoyage (320) pour nettoyage manuel raccordée au deuxième orifice d'aspiration (144), lorsque l'élément de blocage de trajet d'écoulement (220) est situé dans une première position.
  7. Appareil de nettoyage selon la revendication 1, où une unité d'accouplement (144a) pour le raccordement d'une buse de nettoyage (320) pour nettoyage manuel est formée autour du deuxième orifice d'aspiration (144),
    où l'élément de blocage de trajet d'écoulement (220) couvre au moins une partie de l'unité d'accouplement (144a) lorsque ledit élément de blocage de trajet d'écoulement (220) est situé dans une deuxième position.
  8. Appareil de nettoyage selon la revendication 7, où l'élément de blocage de trajet d'écoulement (220) expose l'unité d'accouplement (144a) lorsque l'élément de blocage de trajet d'écoulement (220) est positionné dans une première position.
  9. Appareil de nettoyage selon la revendication 4, où un rappel élastique de l'élément de blocage de trajet d'écoulement (220) vers la deuxième position est empêché par une buse de nettoyage (320) pour nettoyage manuel raccordée au deuxième orifice d'aspiration (144).
  10. Appareil de nettoyage selon la revendication 4, où l'élément de blocage de trajet d'écoulement (220) retourne à la deuxième position sous l'effet de la force élastique de l'élément élastique (240), lorsque la buse de nettoyage (320) pour nettoyage manuel raccordée au deuxième orifice d'aspiration (144) est désaccouplée.
  11. Appareil de nettoyage selon la revendication 4, comprenant en outre un actionneur (250) déplaçant l'élément de blocage de trajet d'écoulement (220) vers la première position.
  12. Appareil de nettoyage selon la revendication 11, comprenant en outre un capteur d'accouplement (252) détectant qu'une buse de nettoyage (320) pour nettoyage manuel est raccordée au deuxième orifice d'aspiration (144), où l'actionneur (250) déplace l'élément de blocage de trajet d'écoulement (220) vers la première position lorsque la buse de nettoyage (320) pour nettoyage manuel est raccordée au deuxième orifice d'aspiration (144).
  13. Appareil de nettoyage selon la revendication 11, comprenant en outre un capteur d'accouplement (252) détectant qu'une buse de nettoyage (320) pour nettoyage manuel est raccordée au deuxième orifice d'aspiration (144), où l'actionneur (250) déplace l'élément de blocage de trajet d'écoulement (220) vers la deuxième position lorsque la buse de nettoyage (320) pour nettoyage manuel est désaccouplée du deuxième orifice d'aspiration (144).
  14. Appareil de nettoyage selon la revendication 1, où l'élément de blocage de trajet d'écoulement (220) a la même courbure, avec une certaine marge d'erreur, qu'une surface intérieure ou une surface extérieure d'une surface latérale du bac à poussière (140).
EP19778221.2A 2018-03-29 2019-03-28 Équipement de collecte de poussière Active EP3773108B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180036589A KR102070064B1 (ko) 2018-03-29 2018-03-29 집진 장치
PCT/KR2019/003660 WO2019190237A1 (fr) 2018-03-29 2019-03-28 Équipement de collecte de poussière

Publications (3)

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EP3773108A1 EP3773108A1 (fr) 2021-02-17
EP3773108A4 EP3773108A4 (fr) 2022-01-12
EP3773108B1 true EP3773108B1 (fr) 2023-12-20

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EP19778221.2A Active EP3773108B1 (fr) 2018-03-29 2019-03-28 Équipement de collecte de poussière

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US (1) US20210113040A1 (fr)
EP (1) EP3773108B1 (fr)
KR (1) KR102070064B1 (fr)
WO (1) WO2019190237A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN115670303A (zh) * 2021-07-22 2023-02-03 好样科技有限公司 自移动清洁装置

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US3253863A (en) * 1964-03-19 1966-05-31 Riggs & Lombard Inc Duct distributor switch
DE3716104A1 (de) * 1987-05-14 1988-11-24 Artur Hethey Zusatzeinrichtungen fuer staubsauger
US5355549A (en) * 1992-03-13 1994-10-18 Amway Corporation Diverter valve for vacuum cleaner apparatus
FR2713469B1 (fr) * 1993-12-07 1996-06-14 Trouvat Jacques Mécanisme d'obturateur oscillant notamment pour aspirateur.
DE19915881A1 (de) * 1999-04-08 2000-10-12 Bsh Bosch Siemens Hausgeraete Saugreinigungsgerät
KR100869003B1 (ko) 2005-05-12 2008-11-17 엘지전자 주식회사 진공청소기
KR20070094288A (ko) * 2006-03-17 2007-09-20 삼성전자주식회사 로봇청소기 시스템
KR101091220B1 (ko) * 2009-04-17 2011-12-07 (주) 스카이시스템 중앙집진식 진공청소기용 흡입밸브
KR101473870B1 (ko) * 2009-06-19 2014-12-18 삼성전자 주식회사 청소장치
JP2014128393A (ja) * 2012-12-28 2014-07-10 Toshiba Corp 電気掃除機、および塵埃分離装置
KR102125334B1 (ko) * 2014-01-06 2020-06-22 삼성전자주식회사 로봇 청소기 및 그 제어방법
KR101884123B1 (ko) * 2017-05-19 2018-07-31 엘지전자 주식회사 로봇 청소기

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Publication number Publication date
EP3773108A4 (fr) 2022-01-12
US20210113040A1 (en) 2021-04-22
KR20190114214A (ko) 2019-10-10
KR102070064B1 (ko) 2020-03-02
WO2019190237A1 (fr) 2019-10-03
EP3773108A1 (fr) 2021-02-17

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