WO2015041499A1 - Aspirateur - Google Patents

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Publication number
WO2015041499A1
WO2015041499A1 PCT/KR2014/008826 KR2014008826W WO2015041499A1 WO 2015041499 A1 WO2015041499 A1 WO 2015041499A1 KR 2014008826 W KR2014008826 W KR 2014008826W WO 2015041499 A1 WO2015041499 A1 WO 2015041499A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
actuator
rotational
vacuum cleaner
displacement
Prior art date
Application number
PCT/KR2014/008826
Other languages
English (en)
Korean (ko)
Inventor
최건수
김신
이동현
하동우
이창현
한지연
Original Assignee
삼성전자주식회사
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
Priority claimed from KR1020140124969A external-priority patent/KR102274369B1/ko
Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to US15/024,210 priority Critical patent/US11129511B2/en
Priority to CN201480052246.1A priority patent/CN105578942B/zh
Priority to EP14846308.6A priority patent/EP3050478B1/fr
Publication of WO2015041499A1 publication Critical patent/WO2015041499A1/fr

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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
    • A47L9/32—Handles
    • 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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles
    • 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
    • A47L9/2857—User input or output elements for control, e.g. buttons, switches or displays
    • A47L9/2863—Control elements activated by pivoting movement of the upright vacuum cleaner handle

Definitions

  • the present invention relates to an active vacuum cleaner.
  • a vacuum cleaner is a household electrical appliance equipped with a fan motor for generating a suction force to suck air from a surface to be cleaned, and a dust collecting device for removing dust from the sucked air.
  • the vacuum cleaner may be of a canister type, an upright type, a hand type, a robot type, or the like.
  • the canister type includes a main body provided with a fan motor and a dust collector, a suction nozzle for sucking air on the surface to be cleaned, a handle pipe for adjusting the position of the suction nozzle, an extension pipe for connecting the suction nozzle and the handle pipe, and a handle.
  • a suction hose for connecting the tube and the main body, the user can hold the handle tube and adjust the position of the suction nozzle to perform cleaning, the air sucked through the suction nozzle is connected to the extension tube, the handle tube and the suction hose Passed in turn to flow to the body.
  • the canister type cleaner may be provided with an active driving structure in which the main body is actively moved according to the position of the handle tube.
  • active driving structure includes an ultrasonic sensor provided in each of the handle tube and the main body, and a drive motor for providing a driving force to the wheel, the distance between the handle tube and the main body by sensing the distance between the handle tube and the main body more than a certain distance In this case, the driving motor is driven to move the main body forward.
  • this active driving structure is based on only distance, which is a directional and only physical quantity having a size, it does not accurately reflect the movement of the handle tube. That is, when the handle tube moves in the left or right direction instead of the front of the main body, the main body does not rotate in the direction in which the handle tube moves.
  • the drive motor and the reduction gears connected to the wheels act as a rod that prevents idle rotation of the wheels in situations where no active driving is required. That is, the wheel does not rotate smoothly when the user wants to manually move the main body in a situation where the power is turned off after cleaning, causing inconvenience.
  • One aspect of the present invention discloses a vacuum cleaner having an active running structure that can be rotated in the left direction or the right direction, as well as the main body advances according to the movement of the suction hose.
  • One aspect of the present invention discloses a vacuum cleaner having an active running structure for detecting the movement of the suction hose in the front and rear direction and the left and right directions through the displacement sensor.
  • a vacuum having an active driving structure in which the wheel and the driving motor are disconnected in a state in which the power is turned off or the active driving mode is turned off so that the wheel can rotate smoothly smoothly by friction with the bottom surface. Start the cleaner.
  • One aspect of the present invention discloses an upright type cleaner that actively travels based on the relative rotational displacement of the handle portion relative to the body.
  • the vacuum cleaner includes a main body; a suction nozzle for sucking air on the surface to be cleaned; a suction hose for guiding air sucked through the suction nozzle to the main body; and provided at both sides of the main body.
  • a plurality of wheels; and a plurality of driving motors providing driving force to the plurality of wheels; and connected to the suction hose, and rotating in a left and right direction about a first rotation axis according to the movement of the suction hose.
  • an actuator provided to rotate in the front-rear direction about a second rotation axis; and a first displacement sensor for detecting a rotational displacement of the actuator in the left and right directions; and a second displacement for detecting the rotational displacement of the actuator in the front-rear direction. sensor; And controlling the driving of the plurality of driving motors to move the main body forward or to the left or right according to the left and right rotational displacements and the front and rear rotational displacements of the actuators sensed by the first displacement sensor and the second displacement sensor. It includes a control unit for rotating in the direction.
  • the actuator is a first rotating body which is provided to be relatively rotatable in the horizontal direction about the first rotational axis with respect to the main body, and in the front-rear direction about the second rotational axis with respect to the first rotational body It may include a second rotating body coupled to the first rotating body and connected to the suction hose so as to be relatively rotatable.
  • the vacuum cleaner further includes a support fixed to the main body so as to support the first rotating body, wherein the first rotating body is rotatable relative to the support body in the left and right direction about the first rotational axis. It can be coupled to the support.
  • the first displacement sensor may be a potentiometer including a first sensor body and a first adjustment knob rotatably provided on the first sensor body to change a resistance.
  • the first sensor body may be coupled to the support, and the first adjustment knob may be inserted into the first rotating body to rotate together with the first rotating body.
  • the second displacement sensor may be a potentiometer including a second sensor body and a second adjustment knob rotatably provided on the second sensor body to change a resistance.
  • the second sensor body may be coupled to the first rotating body, and the second adjusting knob may be inserted into the second rotating body to rotate together with the second rotating body.
  • the vacuum cleaner may further include at least one elastic member for elastically supporting the actuator.
  • the vacuum cleaner may further include an internal hose provided inside the actuator to communicate with the suction hose.
  • the vacuum cleaner may further include a vent provided inside the actuator to communicate with the suction hose.
  • the vent part may include a first vent coupled to a lower portion of the second rotating body so as to communicate with the suction hose, and a second vent rotatably coupled to the first vent by a universal joint so as to communicate with the first vent. It may include.
  • the second vent may include a ball part having a spherical outer circumferential surface
  • the first vent may include a ball housing part to surround the ball part
  • the actuator may be provided on the upper portion of the main body.
  • the plurality of drive motors are driven to advance the main body, if the rotational displacement to the left direction of the actuator occurs, the right side of the plurality of drive motors When the motor is driven to rotate the main body in the left direction and a rotational displacement in the right direction of the actuator occurs, the left driving motor may be driven among the plurality of driving motors to rotate the main body in the right direction.
  • the actuator may be provided in front of the body.
  • the plurality of drive motors are driven to advance the main body, and if the rotational displacement to the left direction of the actuator occurs, the right drive of the plurality of drive motors When the motor is driven to rotate the main body in the left direction and a rotational displacement in the right direction of the actuator occurs, the left driving motor may be driven among the plurality of driving motors to rotate the main body in the right direction.
  • the vacuum cleaner transmits power by connecting or disconnecting the plurality of reduction gears that transmit the driving force of the plurality of driving motors to the plurality of wheels, and the plurality of reduction gears and the plurality of wheels.
  • the clutch may further include a plurality of clutches.
  • the plurality of clutches may be electronic or mechanical.
  • a vacuum cleaner includes: a main body; a plurality of wheels provided at both sides of the main body; and a plurality of driving motors providing driving force to the plurality of wheels; An actuator provided to rotate in the left and right direction about the first rotation axis or in the front and rear direction about the second rotation axis; and a first displacement sensor for detecting a rotational displacement in the left and right directions of the actuator; A second displacement sensor for detecting rotational displacement in the front-rear direction; And controlling the driving of the plurality of driving motors to move the main body forward or to the left or right according to the left and right rotational displacements and the front and rear rotational displacements of the actuators sensed by the first displacement sensor and the second displacement sensor. It includes a control unit for rotating in the direction.
  • a vacuum cleaner includes: a main body; and a plurality of wheels provided at both sides of the main body; and a plurality of driving motors providing driving force to the plurality of wheels. And a plurality of reduction gears for transmitting the driving force of the plurality of drive motors to the plurality of wheels; and rotated in a left-right direction about the first rotational axis or in a front-rear direction about the second rotational axis.
  • An actuator and a first displacement sensor for sensing a rotational displacement of the actuator in the left and right directions; and a second displacement sensor for sensing the rotational displacement of the actuator in the front and rear directions; And a plurality of clutches for intermittent power transmission by connecting or disconnecting the plurality of reduction gears and the plurality of wheels, the active driving mode to which the plurality of clutches are connected, and the plurality of clutches It may have a manual driving mode that is disconnected.
  • the driving motors are driven according to the rotation of the actuator so that the main body can actively move forward or rotate left and right.
  • the plurality of wheels may rotate idlely without load from the plurality of drive motors and the plurality of reduction gears.
  • a vacuum cleaner includes: a main body that generates suction force and separates dust from sucked air; and a suction nozzle unit provided below the main body to suck air from a surface to be cleaned;
  • a driving unit including a wheel of the driving unit to drive the main body, and a handle part provided on the upper part of the main body to be relatively rotatable with respect to the main body;
  • a controller configured to actively drive the main body by controlling the driving unit based on a relative rotational displacement of the handle part with respect to the main body. It includes.
  • the handle part may be provided to rotate about at least one rotation axis with respect to the body.
  • the handle part may be provided to rotate about a plurality of rotation shafts perpendicular to each other with respect to the main body.
  • the vacuum cleaner may include an actuator provided between the main body and the handle part to rotatably couple the main body and the handle part.
  • the vacuum cleaner may include a displacement sensor that detects a relative rotational displacement of the handle part with respect to the main body.
  • the main body of the vacuum cleaner is capable of active driving that rotates in the left direction or the right direction as well as forward according to the pulling operation of the suction hose of the user.
  • the rotational displacement of the actuator according to the pulling operation of the suction hose of the user may be sensed through a plurality of displacement sensors.
  • the driving motor and the reduction gears are disconnected from the wheels, and thus the wheels can be manually rotated smoothly without acting as a load.
  • FIG. 1 is a view showing the appearance of a vacuum cleaner according to a first embodiment of the present invention.
  • FIG. 2 is an enlarged view of the actuator and its related configuration of the vacuum cleaner of FIG. 1;
  • FIG. 3 is an exploded view showing the actuator and its related configuration of the vacuum cleaner of FIG.
  • FIG. 4 is a cross-sectional view taken along line II of FIG. 2.
  • FIG. 5 is an enlarged view of a wheel of the vacuum cleaner of FIG. 1 and a related configuration thereof;
  • FIG. 6 is an exploded view of the wheel and its related configuration of the vacuum cleaner of FIG.
  • FIG. 7 is a control block diagram of the vacuum cleaner of FIG.
  • FIG. 8 is an exploded view showing an actuator and its related configuration of a vacuum cleaner according to a second embodiment of the present invention.
  • FIG. 9 is a sectional view of the actuator of the vacuum cleaner of FIG. 8 and its associated configuration
  • FIG. 10 is a view showing the appearance of a vacuum cleaner according to a third embodiment of the present invention.
  • FIG. 11 is an enlarged view of the actuator of the vacuum cleaner of FIG. 10 and a related configuration thereof.
  • FIG. 12 is an exploded view showing the actuator and its related configuration of the vacuum cleaner of FIG. 10;
  • FIG. 13 is a cross-sectional view taken along line II-II of FIG. 11.
  • FIG. 14 is an exploded view showing an actuator and its related configuration of a vacuum cleaner according to a fourth embodiment of the present invention.
  • FIG. 15 is a sectional view of the actuator of the vacuum cleaner of FIG. 14 and its associated configuration
  • FIG. 16 is a view showing the appearance of a vacuum cleaner according to a fourth embodiment of the present invention.
  • FIG. 17 is an enlarged view of the actuator of the vacuum cleaner of FIG. 16.
  • FIG. 18 is an exploded view illustrating the actuator of the vacuum cleaner of FIG. 16.
  • FIG. 19 is a control block diagram of the vacuum cleaner of FIG.
  • FIG. 1 is a view showing the appearance of a vacuum cleaner according to a first embodiment of the present invention.
  • the vacuum cleaner 100 includes a main motor 110 having a fan motor (not shown) for generating suction force and a dust collector (not shown) for removing dust from the sucked air, and the air on the surface to be cleaned.
  • Suction nozzle 113 to suck, handle tube 116 for the user's operation, extension tube 115 connecting the suction nozzle 113 and the handle tube 116, handle tube 116 and the main body 110 It includes a suction hose 114 of a flexible material for connecting).
  • the air sucked through the suction nozzle 113 passes through the extension pipe 115, the handle pipe 116, and the suction hose 114 in order to guide the dust collector of the main body 110. Air from which dust is removed from the dust collector is discharged to the outside of the main body 110 again.
  • the dust collecting device may be a dust bag method of filtering dust by passing air through the dust bag or a cyclone method of separating dust through centrifugal separation, without any limitation.
  • Both sides of the main body 110 are provided with a left wheel 121 and a right wheel 131 (FIG. 5) for movement of the main body 110, respectively.
  • the left wheel 121 and the right wheel 131 are driven by the driving force from the driving motors 121a and 131a in FIG. 7 in the active driving mode of the vacuum cleaner, respectively, and the driving motor in the manual driving mode of the vacuum cleaner.
  • the connection with the (121a, 131a) is released can be manually rotated.
  • the driving motors 121a and 131a may be one-way rotating motors or two-way rotating motors. However, in the present embodiments, it is assumed that the driving motors 121a and 131a are one-way rotating motors. Therefore, it is assumed that the left wheel 121 and the right wheel 131 rotate only in one direction.
  • the rotation speed of the left wheel 121 or the right wheel 131 may be varied by varying the output of the driving motors 121a and 131a.
  • the left wheel 121 and the right wheel 131 are variable. Is assumed to be constant. That is, it is assumed that the left wheel 121 and the right wheel 131 respectively stop or rotate at a constant rotation speed.
  • Each of the left wheel 121 and the right wheel 131 is provided to be fixed without rotating to the left or the right. However, any one of the left wheel 121 and the right wheel 131 is driven in the stopped state, so that the main body 100 may rotate to the left (L) or the right (R). In addition, if the left wheel 121 and the right wheel 131 rotates together, the main body 100 may move forward (F).
  • the main body 110 may detect the user pulling the suction hose 114 and move forward or rotate left or right. That is, the main body 100 may actively travel by detecting the movement of the suction hose 114. To this end, an actuator 150 for detecting a movement of the suction hose 114 is provided at the top of the main body 110.
  • a structure generally used in a vacuum cleaner capable of active driving was a structure using an ultrasonic distance sensor. That is, the handle tube of the vacuum cleaner and the ultrasonic sensor for emitting and receiving ultrasonic waves are respectively mounted on the main body of the vacuum cleaner, and measure the distance between the handle tube and the main body. It was a method of advancing the main body by driving.
  • This structure is controlled so that the main body is moved forward independently of the position of the handle tube because of the excessively increased cost by using the ultrasonic distance sensor and only based on the distance regardless of the direction of the front, rear, left and right of the handle tube. It was difficult for the body to follow the handle tube correctly.
  • the present invention is to solve this problem, the above-described actuator 150 detects both the movement in the front and rear direction as well as the left and right directions of the suction hose 114, the body according to the movement of the front and rear, left and right of the suction hose
  • the drive of both wheels is controlled to move forward or to rotate left and right. Therefore, active driving that perfectly matches the movement of the user may be possible.
  • FIG. 2 is an enlarged view of the actuator of the vacuum cleaner of FIG. 1 and its related configuration
  • FIG. 3 is an exploded view of the actuator and its related configuration of the vacuum cleaner of FIG. 1
  • FIG. 4 is an exploded view of FIG. It is sectional drawing along the line I-I.
  • the actuator 150 is provided with a first rotatable body 551 rotatably disposed in the left and right direction about the x axis, and rotatably provided in the front and rear direction around the y axis and includes a suction hose ( 114 includes a second rotating body 561 to which it is connected.
  • the directions of the front, rear, left, and right are based on the vacuum cleaner body 110 illustrated in FIG. 1, and the direction will be similarly displayed based on the body 110.
  • the x axis is formed on an imaginary center dividing plane (not shown) that roughly bisects the main body 110 from side to side, and the y axis is formed perpendicular to the center dividing plane.
  • the first rotor 551 may have an approximately donut shape, and the second rotor 561 may have an approximately hemispherical shape.
  • the first rotating body 551 may be coupled to the support 141.
  • the support 141 is a component fixed to the main body 110 to support the actuator 150.
  • the support 141 may be omitted if a separate structure for supporting the actuator 150 is integrally formed in the main body 110.
  • the first rotational body 551 is coupled to the support 141 to rotate relative to the support 141 in the lateral direction about the x axis.
  • the second rotating body 561 is coupled to the first rotating body 551 to rotate relative to the first rotating body 551 in the front-rear direction about the y axis.
  • the support 141 is provided with a support shaft coupling hole 144
  • the first rotating body 551 is provided with a support shaft 153 rotatably coupled to the support shaft coupling hole 144. Since the support shaft 153 is rotatably coupled to the support shaft coupling hole 144, the first rotational body 551 may rotate relative to the first support 141 in the left and right directions about the x axis.
  • the first rotation member 551 is provided with a support shaft coupling hole 156 to which the support shaft 163 of the second rotation member 561 is rotatably coupled. As the support shaft 163 is rotatably coupled to the support shaft coupling hole 156, the second rotating body 561 may rotate relative to the first rotating body 551 in the front-rear direction about the y axis.
  • the suction hose 114 is inserted into and coupled to the hollow 166 of the second rotating body 561.
  • the suction hose coupling pipe part 164 (FIG. 4) is provided inside the second rotating body 561 to closely support the suction hose 114.
  • the actuator 150 can be moved accordingly.
  • the actuator 150 may rotate in the horizontal direction about the x axis or in the front-rear direction about the y axis.
  • the vacuum cleaner 100 is provided with a plurality of displacement sensors 157 and 167.
  • the plurality of displacement sensors 157, 167 may be potentiometers having sensor bodies 158, 168 and adjustment knobs 159, 169 rotatably provided on the sensor bodies 158, 168 to change resistance.
  • the first displacement sensor 157 is coupled to the support 141 to sense rotational displacement in the left and right directions about the x axis of the support 141 of the first rotating body 551. Can be.
  • the first sensor body 158 of the first displacement sensor 157 is fixed to the support 141, the first adjustment knob 159 is inserted into the first rotating body 551, the first rotating body ( 551).
  • the support 141 is provided with a first sensor body coupling groove 142 into which the first sensor body 158 is inserted and fixed, and a first adjustment knob through hole 143 through which the first adjustment knob 159 passes.
  • the first rotation knob 551 may be provided with a first adjustment knob insertion groove 152 into which the first adjustment knob 159 is inserted.
  • the second displacement sensor 167 is coupled to the first rotational body 551 so that the front and rear direction centering on the y axis of the first rotational body 551 of the second rotational body 561. The rotational displacement of the can be detected.
  • the first sensor body 168 of the second displacement sensor 167 is fixed to the first rotating body 551, the second adjustment knob 169 is inserted into the second rotating body 561 to the second It can rotate with the rotating body 561.
  • a second sensor body coupling groove 154 into which the second sensor body 168 is inserted and fixed to the first rotating body 551, and a second adjustment knob through hole 155 through which the second adjustment knob 169 penetrates. ) May be provided.
  • the second rotating body 561 may be provided with a second adjusting knob insertion groove 162 into which the second adjusting knob 169 is inserted.
  • the actuator 150 is provided on the upper portion of the main body (110). Since the actuator 150 is provided on the upper portion of the main body 110 as described above, when the user advances the handle tube 116, the suction hose 114 is pulled forward, and when the suction hose 114 is pulled forward, the actuator ( 150 is rotated forward. That is, rotational displacement to the front of the actuator 150 occurs.
  • the generated rotational displacements are sensed by the displacement sensors 157 and 167 described above.
  • the rotational displacement sensed through the displacement sensors 157 and 167 is transmitted to the controller 180 (FIG. 7), and the controller 180 is configured to rotate the left wheel drive motor 121a and the right wheel drive motor 131a based on the rotational displacement. Control the drive.
  • the controller 180 may drive both the left wheel driving motor 121a and the right wheel driving motor 131a to advance the main body 110.
  • the controller 180 may rotate the main body 110 to the left by driving the right wheel driving motor 131a without driving the left wheel driving motor 121a.
  • the controller 180 may rotate the main body 110 to the right by driving the left wheel driving motor 121a without driving the right wheel driving motor 131a.
  • the body 110 can be appropriately active in accordance with the movement of the handle pipe 116 and the movement of the suction hose 114 accordingly.
  • the vacuum cleaner 100 further includes elastic members 171 and 172 for elastically supporting the actuator 150.
  • the elastic members 171 and 172 may restore the position of the actuator 150 when the pressure on the actuator 150 disappears.
  • the first and second elastic members 171 and 171 may be provided to be supported by the support 141 and the other end of the elastic members 171 and 172 to elastically support the first rotary body 551.
  • One end may be supported by the support 141 and the other end may be provided to be supported by the second rotating body 561 to include second elastic members 172 elastically supporting the second rotating body 561.
  • the first elastic members 171 elastically support the first rotating member 551 to be restored to its original position after the first rotating member 551 rotates in the left and right direction about the x axis, and the second elastic members 172 are the second rotating member. 561 is elastically supported to be restored to its original position after rotating back and forth about the y axis.
  • the support 141 may be provided with a spring support 145 supporting the elastic members 171 and 172.
  • These elastic members 171 and 172 may be compression coil springs.
  • the plurality of elastic members 171 and 172 may not be used to elastically support the actuator as in the second and fourth embodiments described below, but only one elastic member 271 may be used.
  • the dust collector (not shown) inside the main body 110 receives air that is connected to the suction hose 114 and sucked through the suction hose 114 inside the actuator 150.
  • An internal hose 147 may be provided to guide the to.
  • the inner hose 147 may be connected to the suction hose 114 by being inserted into and fixed to the inner hose coupling pipe 165 provided under the second rotating body 561.
  • the inner hose 147 is made of a flexible material so that the second rotating body 561 can freely rotate while being deformed flexibly according to the rotation of the second rotating body 561.
  • An upper connection part 146 and a lower connection part 149 for fixing the support 141 to the main body 110 may be provided below the support 141, and between the upper connection part 146 and the lower connection part 149.
  • the sealing member 148 may be provided to maintain the airtightness.
  • vent parts 346 and 348 may be provided to be freely rotatable by the universal joint instead of the flexible inner hose.
  • FIG. 5 is an enlarged view of the wheel of the vacuum cleaner and its related configuration of FIG. 1
  • FIG. 6 is an exploded view of the wheel and the related configuration of the vacuum cleaner of FIG. 1.
  • the vacuum cleaner 100 may include wheels 121 and 131 provided at both sides of the main body 110 for active driving of the main body 110, and driving motors 121a to provide driving force to the wheels 121 and 131. , 131a).
  • the clutch 136 is for connecting or releasing the wheels 121 and 131 and the driving motors 121a and 131a. The configuration of the clutch 136 is equally applied to both the wheels 121 and 131. Only one wheel 131 will be described.
  • a driving gear 134 connected to the driving motor 131a and rotating to reduce the rotation speed of the driving motor 131a may be used.
  • Reduction gears (135a, 135b, 135c, 135d) for, and the reduction gears (135a, 135b, 135c, 135d) and the clutch 136 for connecting or disconnecting the wheel 131 may be provided.
  • the clutch 136 may be an electronic clutch using a coil and a magnet, or a mechanical clutch using a cam or the like, but an electronic clutch is used in this embodiment.
  • the driving gear 134 is connected to the driving motor 131a, the reduction gears 135a, 135b, 135c, and 135d are sequentially engaged with the driving gear 134, and the last reduction gear 135d is provided with the driving gear 134a.
  • the clutch gear 136a of the clutch 136 may be connected.
  • the rotating shaft 137 of the clutch 136 may be inserted into the rotating shaft insertion groove 139 of the wheel 131 to rotate together with the wheel 131.
  • the rotational force of the clutch gear 136a is transmitted to the rotation shaft 137 of the clutch 136, and when the clutch 136 is off, the rotational force of the clutch gear 136a is the rotation shaft of the clutch 136 ( 137) may not be delivered. That is, when the clutch 136 is in the off state, the wheel 131 may rotate idlely regardless of the reduction gears 135a, 135b, 135c, and 135d and the driving motor 131a.
  • the clutch 136 In the active driving mode of the vacuum cleaner, the clutch 136 is turned on. Therefore, the wheel 131 is actively driven by the driving motor 131a.
  • the clutch 136 In the manual driving mode of the vacuum cleaner, the clutch 136 is turned off. Therefore, when the user wants to manually drag the main body 110, the reduction gears 135a, 135b, 135c, 135d and the wheel 131 are disconnected, thereby driving the drive motor 131a and the reduction gears 135a. , 135b, 135c, and 135d may rotate smoothly with the wheel 131 without acting as a rod.
  • Such a clutch 136 may be turned on and off in accordance with the on and off of the main power of the vacuum cleaner 100, or the on and off functions of the clutch 136 may be separately provided.
  • FIG. 7 is a control block diagram of the vacuum cleaner of FIG. 1.
  • the suction hose 114 connected to the handle tube 116 is pulled forward or pulled left and right.
  • the actuator 150 provided on the upper portion of the main body 110 rotates forward, left or right.
  • the rotational displacement in the front-rear direction and the left-right rotational displacement of the actuator 150 may be detected by the first displacement sensor 157 and the second displacement sensor 167.
  • the actuator 150 has a first rotational body 551 coupled to the support 141 so as to be relatively rotatable in the left and right direction about the x axis, and the first rotational body 551 is relative to the front and rear direction around the y axis. It is composed of a second rotating body 561 rotatably coupled.
  • the first displacement sensor 157 and the second displacement sensor 167 are variable resistors, the first sensor body 158 of the first displacement sensor 157 is fixed to the support 141 and the first adjustment knob 159 Is inserted into the first rotating body 551 and rotates together with the first rotating body 551.
  • the second sensor body 168 of the second displacement sensor 167 is fixed to the first rotating body 551 and the second adjusting knob 169 is inserted into the second rotating body 561 to the second rotating body 561. Rotate with).
  • the detected rotational displacements are transmitted to the controller 180, and the controller 180 drives the main wheel 110 by driving the left wheel driving motor 121a and the right wheel driving motor 131a based on the rotational displacements. Can be rotated, rotated leftward or rotated rightward.
  • the connection of the driving motors 121a and 131a and the wheels 121 and 131 is released, and the wheels 121 and 131 are driven by the driving motors 121a.
  • 131a and the reduction gears 135a, 135b, 135c, and 135d may be freely rotatable without receiving a load.
  • FIG. 8 is an exploded view showing an actuator and a related configuration of a vacuum cleaner according to a second embodiment of the present invention
  • FIG. 9 is a cross-sectional view of the actuator and related configuration of the vacuum cleaner of FIG. 8.
  • the vacuum cleaner according to the second embodiment is distinguished from the vacuum cleaner according to the first embodiment in the configuration of the elastic member 271.
  • the first rotating member 551 is elastically supported by the first elastic members 171 to be restored to its original position after rotating in the left and right directions about the x axis, and the second elastic members 172.
  • (2) is elastically supported so as to be restored to its original position after rotation in the front-rear direction about the y axis, but in the second embodiment, one elastic member 271 is provided, and the elastic member 271 is provided.
  • the elastic members 171 and 172 are arranged to be spaced apart by a predetermined interval in the circumferential direction along the first rotation body 551.
  • the elastic member 271 is the first rotation body 551. Only one is provided in the inner center of the, one end is supported by the second rotating body 561 and the other end is supported by the support 141.
  • FIG. 10 is a view illustrating an appearance of a vacuum cleaner according to a third embodiment of the present invention.
  • FIG. 11 is an enlarged view of an actuator of the vacuum cleaner of FIG. 10 and a related configuration thereof.
  • 12 is an exploded view illustrating the actuator and its related configuration of the vacuum cleaner of FIG. 10.
  • FIG. 13 is a cross-sectional view taken along the line II-II of FIG. 11.
  • 14 is an exploded view showing an actuator and its related configuration of a vacuum cleaner according to a fourth embodiment of the present invention
  • FIG. 15 is a cross-sectional view of the actuator and its related configuration of FIG. 14.
  • the vacuum cleaner 300 includes a main body 310 having a fan motor (not shown) for generating suction force and a dust collecting device 319 for removing dust from sucked air, and a surface to be cleaned.
  • the left wheel 321 and the right wheel (not shown) for moving the main body 310 are provided at both sides of the main body 310, respectively.
  • the left wheel 321 and the right wheel are respectively driven by a driving force from a driving motor (not shown) in the active driving mode of the vacuum cleaner, and in the manual driving mode of the vacuum cleaner, the driving wheel is disconnected from the driving motor and rotates manually. Can be.
  • An actuator 350 for detecting the movement of the suction hose 314 is provided in front of the main body 310. Unlike the first and second embodiments, the actuator 350 is provided in front of the main body 310.
  • Actuator 350 is the first rotating body 351 is provided to be rotatable in the left-right direction about the x-axis, and the second rotating body is provided to be rotatable in the front-rear direction about the y-axis and the suction hose 314 is connected 361.
  • the second rotating body 361 may be provided with a connection pipe 317 for connection with the suction hose 314.
  • the first rotating body 351 may have a substantially donut shape, and the second rotating body 361 may have a substantially hemispherical shape.
  • the first rotating body 351 may be coupled to the support 341.
  • the support 341 is a component fixed to the main body 310 to support the actuator 350.
  • the support 341 may be omitted if a separate structure for supporting the actuator 350 is integrally formed in the main body 310.
  • the first rotating body 351 is coupled to the support 341 so as to rotate relative to the support 341 in the horizontal direction about the x axis.
  • the second rotating body 361 is coupled to the first rotating body 351 to rotate relative to the first rotating body 351 in the front-rear direction about the y axis.
  • the support 341 is provided with a support shaft coupling hole 344
  • the first rotating body 351 is provided with a support shaft 353 rotatably coupled to the support shaft coupling hole 344. Since the support shaft 353 is rotatably coupled to the support shaft coupling hole 344, the first rotational body 351 may rotate relative to the first support 341 in the left and right directions about the x axis.
  • the first rotation member 351 is provided with a support shaft coupling hole 356 to which the support shaft 363 of the second rotation body 361 is rotatably coupled. Since the support shaft 363 is rotatably coupled to the support shaft coupling hole 356, the second rotating body 361 may be relatively rotated in the front-rear direction about the y axis with respect to the first rotating body 351.
  • the actuator 150 may rotate in the horizontal direction about the x axis or in the front-rear direction about the y axis according to the movement of the suction hose 314.
  • the vacuum cleaner 100 is provided with a plurality of displacement sensors 357 and 367.
  • the plurality of displacement sensors 357, 367 may be potentiometers having sensor bodies 358, 368 and adjustment knobs 359, 369 rotatably provided on the sensor bodies 358, 368 to change resistance.
  • the first displacement sensor 357 is coupled to the support 341 so as to sense rotational displacement in the left and right directions about the x axis of the support 341 of the first rotational body 351. Can be.
  • the first sensor body 358 of the first displacement sensor 357 is fixed to the support 341, the first adjustment knob 359 is inserted into the first rotating body 351 to the first rotating body ( 351).
  • the support 341 is provided with a first sensor body coupling groove 342 into which the first sensor body 358 is inserted and fixed, and a first adjustment knob through hole 343 through which the first adjustment knob 359 passes.
  • the first rotating knob 351 may be provided with a first adjusting knob insertion groove 352 into which the first adjusting knob 359 is inserted.
  • the second displacement sensor 367 is coupled to the first rotational body 351, and the front-rear direction centering on the y axis of the first rotational body 351 of the second rotational body 361. The rotational displacement of the can be detected.
  • the first sensor body 368 of the second displacement sensor 367 is fixed to the first rotational body 351, and the second adjustment knob 369 is inserted into the second rotational body 361 so that the second It can rotate with the rotor 361.
  • a second sensor body coupling groove 354 into which the second sensor body 368 is inserted and fixed to the first rotating body 351, and a second adjustment knob through hole 355 through which the second adjustment knob 369 passes. ) May be provided.
  • the second rotating body 361 may be provided with a second adjusting knob insertion groove 362 into which the second adjusting knob 369 is inserted.
  • the actuator 350 is provided in front of the main body 310. Since the actuator 350 is provided on the upper portion of the main body 310 as described above, when the user advances the handle tube 316, the suction hose 314 is pulled backward, and when the suction hose 314 is pulled backward, the actuator ( 350 rotates backwards. That is, rotational displacement to the rear of the actuator 350 occurs. This point is different from the first embodiment.
  • the generated rotational displacements are sensed by the displacement sensors 357 and 367 described above.
  • the rotational displacement sensed by the displacement sensors 357 and 367 is transmitted to the controller, and the controller controls the driving of the left wheel drive motor and the right wheel drive motor based on the rotational displacement.
  • the controller may drive both the left wheel drive motor and the right wheel drive motor to advance the main body 310.
  • the controller 380 may rotate the main body 310 to the left by driving the right wheel driving motor without driving the left wheel driving motor.
  • the controller may rotate the main body 310 to the right by driving the left wheel driving motor without driving the right wheel driving motor.
  • the air inside the actuator 350 is connected to the suction hose 314 and sucked air through the suction hose 314 to the dust collector 319 inside the main body 310.
  • Guide vents 346 and 348 may be provided.
  • vent parts 346 and 348 are connected to the suction hose 314 by the first vent 346 fixedly coupled to the lower part of the second rotating body 361, and by the universal joint to communicate with the first vent 346.
  • the second vent 348 may be freely rotatably coupled to the vent 346.
  • the universal joint has a ball portion 349 having a spherical outer circumferential surface provided at the second vent 348, and a ball housing portion 347 provided at the first vent 346 to surround the ball portion 349 and communicate with the ball portion 349. ) May be included.
  • the ball part 349 and the ball housing part 347 may be provided in the 1st vent 346 and the 2nd vent 348, respectively.
  • the vacuum cleaner 300 further includes elastic members 371 that elastically support the actuator 350.
  • the elastic members 371 may restore the position of the actuator 350 when the pressure on the actuator 350 disappears.
  • One end of the elastic members 371 may be supported by the support 341, and the other end thereof may be supported by the first vent 346 to elastically support the first vent 346. Since the first vent 346 is fixedly coupled to the second rotating body 361, the second rotating body 361 may be elastically supported by the elastic members 371.
  • the elastic members 471 may be provided in one center. It may be.
  • the remaining configurations are the same, and thus the description of the remaining configurations will be omitted.
  • 16 is a view showing the appearance of a vacuum cleaner according to a fourth embodiment of the present invention.
  • 17 is an enlarged view of an actuator of the vacuum cleaner of FIG. 16.
  • 18 is an exploded view illustrating the actuator of the vacuum cleaner of FIG. 16.
  • 19 is a control block diagram of the vacuum cleaner of FIG. 16.
  • a vacuum cleaner according to a fourth exemplary embodiment of the present invention will be described with reference to FIGS. 16 to 19.
  • the vacuum cleaner 500 includes a main body 510 which generates suction force and separates dust from sucked air, a suction nozzle unit 520 provided under the main body 510 to suck air from the surface to be cleaned, and a plurality of vacuum cleaners.
  • a drive unit 530 including wheels 531 and 533 to drive the main body 510, a handle part 590 disposed on the upper part of the main body 510 so as to be relatively rotatable with respect to the main body 510, and the main body 510.
  • the controller 580 may be configured to control the driving unit 530 to actively drive the main body 510 based on the relative rotational displacement of the handle unit 590.
  • the main body 510 may include a fan motor (not shown) for generating a suction force and a dust collecting device 511 for separating dust from sucked air.
  • the main body 510 may be supported by the suction nozzle unit 520 and maintained in an upright state.
  • the suction nozzle unit 520 may contact the surface to be cleaned to suck air from the surface to be cleaned.
  • the suction nozzle unit 520 may include a suction port (not shown) through which air is sucked, a brush (not shown) for cleaning dust on the surface to be cleaned, and a suction flow path that guides the air sucked from the suction port to the dust collector. .
  • the driving unit 530 includes a left wheel 531 and a right wheel 533 provided at left and right sides of the main body 510, a left driving motor 532 for driving the left wheel 531 and the right wheel 533, respectively.
  • the right drive motor 534 may be included.
  • the left wheel 531 and the right wheel 533 may be driven independently. When driven simultaneously with the left wheel 531 and the right wheel 533, the main body 510 may move forward. If only one of the left wheel 531 and the right wheel 533 is driven, the main body 510 may rotate in place. Can be.
  • the handle part 590 may be provided on the upper part of the main body 510 so as to be relatively rotatable with respect to the main body 510.
  • the handle part 590 may be provided to be rotatable about at least one rotation axis with respect to the main body 510.
  • the handle part 590 may be provided to be rotatable about a plurality of rotation shafts perpendicular to each other with respect to the main body 510.
  • the handle part 590 may have a coupling part 592 coupled to an actuator 550, which will be described later, and a grip part 591 that can be gripped by a user.
  • An actuator 550 may be provided between the handle part 590 and the main body 510 to rotatably couple the handle part 590 and the main body 510 to each other.
  • the actuator 550 is provided with a first rotating body 551 rotatably disposed in the left and right direction about the x axis, and a second rotating body provided rotatably in the front and rear direction with respect to the y axis and having the handle part 590 coupled thereto. 561 may include.
  • the first rotor 551 may have an approximately donut shape, and the second rotor 561 may have an approximately hemispherical shape.
  • the first rotating body 551 may be coupled to the support 541.
  • the support 541 is a component fixed to the main body 510 to support the actuator 550.
  • the support 541 may be omitted if a separate structure for supporting the actuator 550 is integrally formed in the main body 510.
  • the first rotating body 551 is coupled to the support 541 to rotate relative to the support 541 in the lateral direction about the x axis.
  • the second rotating body 561 is coupled to the first rotating body 551 to rotate relative to the first rotating body 551 in the front-rear direction about the y axis.
  • a support shaft coupling hole 544 is provided in the support 541, and a support shaft 553 rotatably coupled to the support shaft coupling hole 544 may be provided in the first rotating body 551. . Since the support shaft 553 is rotatably coupled to the support shaft coupling hole 544, the first rotational body 551 may rotate relative to the first support 541 in the left and right directions about the x axis.
  • the first shaft 551 may be provided with a support shaft coupling hole 556 to which the support shaft 563 of the second rotor 561 is rotatably coupled. As the support shaft 563 is rotatably coupled to the support shaft coupling hole 556, the second rotor 561 may be relatively rotated in the front-rear direction about the y axis with respect to the first rotor 551.
  • the coupling part 592 of the handle part 590 may be coupled to the hollow 566 of the second rotating body 561 in various ways.
  • the coupling part 592 of the handle part 590 may be fitted into the hollow 566 of the second rotating body 561.
  • the movement about the y axis of the handle part 590 is transmitted to the second rotating body 561 so that the second rotating body 561 rotates in the front-rear direction about the y axis, and the handle part 590
  • the movement about the x axis of the X axis is transmitted to the first rotating body 551 through the second rotating body 561 and the support shaft 563 so that the first rotating body 551 rotates in the horizontal direction about the x axis. Done.
  • the vacuum cleaner 500 may be provided with a plurality of displacement sensors 557 and 567.
  • the plurality of displacement sensors 557, 567 may be potentiometers having sensor bodies 558, 568 and adjustment knobs 559, 569 rotatably provided on the sensor bodies 558, 568 to change resistance.
  • the first displacement sensor 557 may be coupled to the support 541 to detect a rotational displacement in the left and right direction about the x axis of the support 541 of the first rotating body 551. To this end, the first sensor body 558 of the first displacement sensor 557 is fixed to the support 541, the first adjustment knob 559 is inserted into the first rotating body 551, the first rotating body ( 551).
  • the support 541 may be provided with a first sensor body coupling groove 542 into which the first sensor body 558 is inserted and fixed, and a first adjustment knob through hole 543 through which the first adjustment knob 559 penetrates. have.
  • the first rotation knob 551 may be provided with a first adjustment knob insertion groove 552 into which the first adjustment knob 559 is inserted.
  • the second displacement sensor 567 may be coupled to the first rotating body 551 to sense a rotational displacement about the y axis of the first rotating body 551 of the second rotating body 561.
  • the first sensor body 568 of the second displacement sensor 567 is fixed to the first rotating body 551, the second adjustment knob 569 is inserted into the second rotating body 561 to the second It can rotate with the rotating body 561.
  • a second sensor body coupling groove 554 into which the second sensor body 568 is inserted and fixed to the first rotating body 551, and a second adjustment knob through hole 555 through which the second adjustment knob 569 passes. ) May be provided.
  • the second rotating body 561 may be provided with a second adjusting knob insertion groove 562 into which the second adjusting knob 569 is inserted.
  • the main body 510 may be actively driven by controlling the driving of the left wheel driving motor 532 and the right wheel driving motor 534 based on the rotated displacement.
  • the vacuum cleaner 500 may further include elastic members 571 and 572 to elastically support the actuator 550.
  • the elastic members 571 and 572 may restore the position of the actuator 550 when the pressure on the actuator 550 disappears.
  • First elastic members 571 are provided such that the elastic members 571 and 572 are supported at one end by the support 541 and the other end is supported by the first rotor 551, and the first elastic members 571 may elastically support the first rotor 551.
  • One end may be supported by the support 541 and the other end may include second elastic members 572 provided to be supported by the second rotating body 561 to elastically support the second rotating body 561.
  • the support 541 may be provided with a spring support 545 for supporting the elastic members 571 and 572.
  • the elastic members 571 and 572 may be compression coil springs.
  • An upper connection part 546 and a lower connection part 549 for fixing the support 541 to the main body 510 may be provided below the support 541, between the upper connection part 546 and the lower connection part 549.
  • In the airtight sealing member 548 may be provided.

Landscapes

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

Abstract

La présente invention concerne un aspirateur qui comprend un actionneur conçu pour être raccordé à un tuyau flexible d'aspiration et pour tourner dans la direction latérale autour d'un premier axe de rotation ou pour tourner dans la direction longitudinale autour d'un second axe de rotation selon le mouvement du tuyau flexible d'aspiration ; un premier capteur de déplacement pour détecter le déplacement en rotation, dans la direction latérale, de l'actionneur ; et un second capteur de déplacement pour détecter le déplacement en rotation, dans la direction longitudinale, de l'actionneur. L'entraînement d'une pluralité de moteurs d'entraînement de roues est commandé selon le déplacement en rotation, dans la direction latérale, et selon le déplacement en rotation, dans la direction longitudinale, de l'actionneur, détectés par le premier capteur de déplacement et par le second capteur de déplacement pour que le corps puisse avancer ou tourner dans la direction latérale.
PCT/KR2014/008826 2013-09-23 2014-09-23 Aspirateur WO2015041499A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US15/024,210 US11129511B2 (en) 2013-09-23 2014-09-23 Vacuum cleaner
CN201480052246.1A CN105578942B (zh) 2013-09-23 2014-09-23 真空吸尘器
EP14846308.6A EP3050478B1 (fr) 2013-09-23 2014-09-23 Aspirateur

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR20130112737 2013-09-23
KR10-2013-0112737 2013-09-23
US201461982534P 2014-04-22 2014-04-22
US61/982,534 2014-04-22
KR1020140124969A KR102274369B1 (ko) 2013-09-23 2014-09-19 진공 청소기
KR10-2014-0124969 2014-09-19

Publications (1)

Publication Number Publication Date
WO2015041499A1 true WO2015041499A1 (fr) 2015-03-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2014/008826 WO2015041499A1 (fr) 2013-09-23 2014-09-23 Aspirateur

Country Status (1)

Country Link
WO (1) WO2015041499A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018234857A1 (fr) 2017-06-22 2018-12-27 Universidade Do Minho Aspirateur à rotation à 360 degrés
EP3323338A4 (fr) * 2015-07-13 2019-03-20 LG Electronics Inc. Nettoyeur et son procédé de commande

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817759B2 (ja) * 1988-07-15 1996-02-28 松下電器産業株式会社 自走機構を有する電気掃除機
KR960037005A (ko) * 1995-05-04 1996-11-19 배순훈 자립가능한 구조를 갖는 청소기
JPH09503398A (ja) * 1993-07-09 1997-04-08 ザ レジーナ カンパニー 改良したステアリング特性を有した真空掃除機
KR20070102849A (ko) * 2006-04-17 2007-10-22 삼성전자주식회사 업라이트 청소기와 그 제어방법
KR20130096047A (ko) * 2012-02-21 2013-08-29 엘지전자 주식회사 자율 이동 청소기 및 이의 이동 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817759B2 (ja) * 1988-07-15 1996-02-28 松下電器産業株式会社 自走機構を有する電気掃除機
JPH09503398A (ja) * 1993-07-09 1997-04-08 ザ レジーナ カンパニー 改良したステアリング特性を有した真空掃除機
KR960037005A (ko) * 1995-05-04 1996-11-19 배순훈 자립가능한 구조를 갖는 청소기
KR20070102849A (ko) * 2006-04-17 2007-10-22 삼성전자주식회사 업라이트 청소기와 그 제어방법
KR20130096047A (ko) * 2012-02-21 2013-08-29 엘지전자 주식회사 자율 이동 청소기 및 이의 이동 방법

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3323338A4 (fr) * 2015-07-13 2019-03-20 LG Electronics Inc. Nettoyeur et son procédé de commande
AU2016292486B2 (en) * 2015-07-13 2019-10-31 Lg Electronics Inc. Cleaner and control method therefor
US10638905B2 (en) 2015-07-13 2020-05-05 Lg Electronics Inc. Cleaner and control method therefor
WO2018234857A1 (fr) 2017-06-22 2018-12-27 Universidade Do Minho Aspirateur à rotation à 360 degrés

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