EP1859719A2 - Aspirateur et son procédé de commande - Google Patents

Aspirateur et son procédé de commande Download PDF

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Publication number
EP1859719A2
EP1859719A2 EP07101387A EP07101387A EP1859719A2 EP 1859719 A2 EP1859719 A2 EP 1859719A2 EP 07101387 A EP07101387 A EP 07101387A EP 07101387 A EP07101387 A EP 07101387A EP 1859719 A2 EP1859719 A2 EP 1859719A2
Authority
EP
European Patent Office
Prior art keywords
dust
vacuum cleaner
compressing
time
motor
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.)
Granted
Application number
EP07101387A
Other languages
German (de)
English (en)
Other versions
EP1859719B1 (fr
EP1859719A3 (fr
Inventor
Gun Ho Ha
Jin Wook Seo
Chang Ho Yun
Jin Young Kim
Chang Hoon Lee
Yun Hee 401-305 Booyoung Apt. Park
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
Priority claimed from KR1020060046077A external-priority patent/KR100871487B1/ko
Priority claimed from KR1020060085919A external-priority patent/KR100906849B1/ko
Priority claimed from KR1020060098191A external-priority patent/KR100833362B1/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1859719A2 publication Critical patent/EP1859719A2/fr
Publication of EP1859719A3 publication Critical patent/EP1859719A3/fr
Application granted granted Critical
Publication of EP1859719B1 publication Critical patent/EP1859719B1/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
    • A47L9/19—Means for monitoring filtering operation
    • 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
    • A47L9/106—Dust removal
    • A47L9/108—Dust compression means

Definitions

  • the present invention relates to a vacuum cleaner and a method of controlling the vacuum cleaner, and particularly to a vacuum cleaner and a method of controlling a vacuum cleaner capable of increasing a dust collecting capacity of a dust collector, and indicating when it is time to empty the dust collector when more than a predetermined amount of dust are collected in the dust collector.
  • a vacuum cleaner is a device that suctions air containing dust using vacuum pressure generated by a vacuum motor mounted in a body thereof, and then filters the dust in the body.
  • the vacuum cleaner may be divided into a canister type in which a nozzle, an inlet, is provided separately from the body and is connected to the body by a connection pipe, and an upright type in which the nozzle and the body are integrally formed.
  • a dust collector mounted to a cyclone vacuum cleaner is a device that separates dust, which is rotating together with the sucked air, from the air according to the cyclone principle, collects the separated dust, and discharges the purified air to the outside of the cleaner.
  • the cyclone dust collector includes a collector body, an inlet through which the air is introduced to the collector body, a cyclone unit separating dust from the air sucked to the collector body, a dust storage space storing the dust separated in the cyclone unit, and an outlet through which the air purified in the cyclone unit is exhausted.
  • FIG. 10(b) is a waveform view of a phase of power supplied to the drive motor over the dust compression time
  • the dust collector 200 according to an embodiment of the present invention is detachably mounted to the cleaner body 100 (depicted in FIG. 1).
  • the dust collector 200 includes a pair of pressurizing plates 310 and 320 that increase the foreign-substance collection capacity by reducing the volume of dust stored in the dust container 220.
  • the pair of pressing plates 310 and 320 compress dust by an interaction between each other to reduce the volume of the dust.
  • the density of the dust stored within the dust container 220 is increased, thereby increasing the maximum collection capacity of the dust container 220.
  • only the first pressing plate 310 is rotatably provided in the dust container 220 while the second pressing plate 320 is fixed in the dust container 220.
  • the second pressing plate 320 is provided on a virtual plane connecting the axis of the rotary shaft 312 to the inner circumferential surface of the dust storage space 221.
  • the second pressing plate 320 completely or partially shields the space between the inner circumferential surface of the dust storage 221 and the axis of the rotary shaft 312, so that when dust are forced toward the second pressing plate 320 by the first pressing plate 310, the second pressing plate 320 compresses the dust together with the first pressing plate 310.
  • the second pressing plate 320 may be constructed such that its one end 321 is integrally formed with the inner circumferential surface of the dust storage space 221, and the other end thereof is formed integrally with a stationary shaft 322 provided coaxially with the rotary shaft 312 of the first pressing plate 310.
  • the one end of the second pressing plate 320 may be formed adjacent to the inner circumferential surface of the dust storage space, without being formed integrally with the inner circumferential surface of the dust storage space 221.
  • Each of the first and second pressing plates 310 and 320 may be formed as a quadrangular plate.
  • the rotary shaft 312 of the first pressing plate 310 is provided coaxially with the dust storage space 221.
  • the stationary shaft 322 protrudes inward from one end of the dust storage space 221, and has a cavity formed in an axial direction for the assembly of the rotary shaft 312. A predetermined portion of the rotary shaft 312 is inserted into the cavity from the upside of the stationary shaft 322.
  • the vacuum cleaner according to the present invention further includes a driving unit 400 that is connected to the rotary shaft 312 of the first pressing plate 310 and rotates the first pressing plate 310.
  • the gears 410 and 420 are a driven gear 410 coupled to the rotary shaft 312 of the first pressing plate 310, and a driving gear 420 transferring power to the driven gear 410.
  • the driving gear 420 coupled to the compressing motor 430 is rotated, and then a rotary force of the compressing motor 430 is transferred to the driven gear 410 by the driving gear 420 to rotate the driven gear 410.
  • the rotation of the driven gear 410 allows rotation of the first pressing plate 310.
  • the compressing motor 430 is provided under the dust collector mounting part 130.
  • the driving gear 420 is coupled to the rotary shaft of the compressing motor 430, and is provided on a bottom of the dust collector mounting part 130.
  • the compressing motor 430 may be a motor capable of both forward rotation and backward rotation. In other words, a motor capable of bidirectional rotation may be used as the compressing motor 430.
  • a synchronous motor may be used as the compressing motor 430.
  • the synchronous motor is configured to be capable of forward and backward rotation by itself. When a value of a force applied to the motor becomes greater than a set value while the motor is rotating in one direction, the rotation of the motor is switched to the other direction.
  • the synchronous motor is well known in the field of motor technologies, detailed description thereon will be omitted, except that one of technical aspects of the present invention is that the synchronous motor allows forward and backward rotation of the compressing motor 430.
  • the first pressing plate 310 is at the limit where it cannot be further rotated.
  • the time for emptying the dust container 220 may be indicated to prevent degradation of the dust collection performance and the overload of the motor.
  • Each of the indication units 510 and 520 may be a light emitting diode (LED) 510 that can provide a user with visual indication of the time for emptying the dust container 220, or may be a speaker 520 that can provide a sound to the user to indicate the time for emptying the dust container 220.
  • LED light emitting diode
  • both the LED 510 and the speaker 520 can be used to notify the user of the time for emptying the dust container 220.
  • the LED 510 may be mounted to the handle 40 used by the user to manipulate the operation, and the speaker 520 may be provided to any one of the cleaner body 100 and the handle 40.
  • the dust separator 210 is coupled to an upper portion of the dust container 220. In the dust separator 210, dust separated from the dust separator 210 subsides to be stored in the dust container 220.
  • a hollow exhaust member 221c is coupled to the outlet 211b, and includes at an outer circumferential surface thereof a plurality of through holes through which the air purified in the cyclone unit 211 is discharged.
  • a partition plate 230 is horizontally formed under the dust separator 210, and serves to divide the dust separator 210 and the dust container 220. Also, the partition plate 230 further serves to prevent dust stored in the dust container 220 from spreading toward the dust separator 210 when the dust separator 210 is coupled to the dust container 220.
  • the partition plate 230 includes a dust discharge hole 231 through which dust separated in the cyclone unit 211 are discharged to the dust container 220.
  • the dust discharge hole 231 may be formed at the opposite side to the second pressing plate 320.
  • the amount of dust compressed at both sides of the second pressing plate 320 is maximized.
  • the dust collection capacity is maximized, and spreading of the dust is minimized during a process of storing the dust in the dust container 220.
  • the dust separator 210 and the dust container 220 include an upper grip 212 and a lower grip 223, respectively.
  • a hook unit is provided at the dust collector 200 so that the dust container 220 and the dust separator 210 can be coupled together in a state where the dust container 220 has been mounted to the dust separator 210.
  • a hook receptacle 241 is installed at a lower end of an outer circumferential surface of the dust separator 210, and a hook 242 selectively coupled to the hook receptacle 241 is installed at an upper end of an outer circumferential surface of the dust container 220.
  • the dust collector 200 may further include at least one auxiliary cyclone unit provided to the cleaner body, and an auxiliary storage space 224 provided to the dust collector 200.
  • the auxiliary cyclone unit serves to secondarily separate dust from the air discharged from the main cyclone unit 211, and the auxiliary storage space 224 serves to store dust separated by the auxiliary cyclone unit.
  • the auxiliary storage space 224 is provided at an outer circumferential surface of the dust collector 200, with its upper end opened.
  • the auxiliary storage space 224 is provided at an outer circumferential surface of the dust container 220, and an auxiliary dust intake unit 213 communicating with the auxiliary storage space 224 is provided at the outer circumferential surface of the dust separator 210.
  • auxiliary dust intake holes 231a (depicted in FIG. 3) selectively communicating with a dust discharge hole 140 of the auxiliary cyclone unit are formed at an outer wall of the auxiliary dust intake unit 213.
  • the bottom of the auxiliary dust intake unit 213 is opened to communicate with an upper end of the auxiliary storage space 224.
  • the auxiliary dust intake hole 213a communicate with the dust discharge hole 140 (depicted in FIG. 1) of the auxiliary cyclone unit.
  • the air sucked through the suction nozzle 40 is sucked into the inlet 211a of the main cyclone unit via the body suction part 110.
  • the air introduced through the inlet 211a of the main cyclone unit is guided along an inner wall of the main cyclone unit 211 in a tangential direction, thereby forming a spiral current. Accordingly, dust contained in the air is separated by a difference in a centrifugal force with the air, and subside.
  • the dust subsiding while spirally flowing along the inner wall of the main cyclone unit 211 pass through the dust discharge hole 231 of the partition plate 230, and are stored in the main storage space 221.
  • the air that has been primarily purified by the main cyclone unit 211 is discharged through the outlet 211b via the exhaust member 211c, and flows into the auxiliary cyclone unit.
  • the dust separated by the cyclone principle within the auxiliary cyclone unit is stored in the auxiliary storage space 224.
  • the purified air within the auxiliary cyclone unit is exhausted from the auxiliary cyclone unit, is introduced to the cleaner body 100, and then is exhausted from the cleaner body 100 through the body discharge part 120.
  • the indication units 510 and 520 are operated, so that the user may be notified of the time for emptying the dust container 220.
  • the user separates the dust collector 200 from the cleaner body 100, and then empties the dust container 220.
  • FIG. 8 is a block diagram showing configuration for controlling compression of dust within the dust collector
  • FIG. 9 is a flow chart showing a process of compressing dust within the dust collector.
  • FIG. 10(a) is a waveform view of a current phase of the drive motor over the dust compression time
  • FIG. 10(b) is a waveform view of a phase of power supplied to the drive motor over the dust compression time.
  • FIGs. 11 and 12 are plan views of the dust container, illustrating a process of compressing dust within the dust collector.
  • the vacuum cleaner includes a current detector 610 detecting a current value of the compressing motor 430 driving the first pressing plate 310, a motor driver 620 driving the compressing motor 430, and a controller 600 receiving the current value detected by the current detector 610 and controlling the motor driver 620 according to the detected current value.
  • the driver motor 430 is capable of bidirectional rotation as mentioned above, and switches its rotation direction when a value of a resistance force applied to the first pressing plate 310 becomes equal to or greater than a set value.
  • the current value of the compressing motor 430 is momentarily increased as illustrated in FIG. 10(a), and the current detector 610 detects the current value of the compressing motor 430.
  • the driving gear 420 and the driven gear 410 are engaged with each other, when the compressing motor 430 rotates in one direction, the driving gear 420 is rotated in the same direction as that of the compressing motor 430, and the driven gear 410 is rotated in the other direction, the opposite direction to that of the compressing motor 430 S110.
  • the first pressing plate 310 When the first pressing plate 310 is rotated in the other direction (counterclockwise in FIG. 17), the first pressing plate 310 pushes dust between the first pressing plate 310 and the second pressing plate 320 toward one side of the second pressing plate 320, thereby compressing the dust. The rotation of the first pressing plate 310 is continued until a value of a resistance force generated in the process of pressing the dust becomes equal to the set value.
  • the current value detected by the current detector 610 is transmitted to the controller 600, and the controller 600 sends the motor driver 620 a signal for cutting off power applied to the compressing motor 430. Then, the driving of the compressing motor 430 is stopped, and thus the first pressing plate 310 is stopped in a state of compressing the dust S130. The first pressing plate 310 presses the dust at the stopped position for a predetermined period of time (t).
  • the controller 600 sends the motor driver 620 a signal for applying power to the compressing motor 430, and thus the compressing motor 430 and the first pressing plate 310 are rotated.
  • the first pressing plate 310 When the first pressing plate 310 is rotated clockwise, the first pressing plate 310 pushes dust between the first pressing plate 310 and the second pressing plate 320 toward the other side of the second pressing plate 320, thereby compressing the dust.
  • the compression is repetitively performed until an angle to which the first pressing plate 310 is rotated becomes smaller than a predetermined angle.
  • the process of compressing dust is terminated.
  • FIG. 19 is a flow chart showing a dust-emptying time indicating function of the dust collector
  • FIG. 14 is a flow chart for describing an operational state of the cleaner when the dust-emptying time indicating function is performed
  • FIG. 15 is a plan view showing an operational state of a first pressing plate when the dust-emptying time indicating function is performed.
  • a moving time (S) of the first pressing plate 310 is continuously detected S200, and the detected time value is input to the controller 500. Then, the amount of dust stored in the dust collector 200 is roughly calculated according to the time value input to the controller 600.
  • the cleaner body 100 may further include a memory (not shown) storing the roughly calculated amount of dust according to the extent to which the first pressing plate 310 can be rotated.
  • the moving time (S) of the first pressing plate 310 is a period of time from the time point when power is applied to the compressing motor 430 again after power supplied to the compressing motor 430 to rotate the first pressing plate 310 in one direction is cut off for a predetermined period of time (t), to the time point when the current value of the compressing motor 430 is momentarily increased while the first pressing plate 310 is being rotated in the other direction.
  • the moving time of the first pressing plate 310 is reduced as the amount of dust stored in the dust collector 200 is increased. During the cleaning operation, it is determined whether the moving time (S) of the first pressing plate 310 is shorter than a reference time (Sc) S300.
  • the moving time (S) of the first pressing plate 310 is shorter than the reference time (Sc)
  • the first pressing plate 310 continuously compress the dust.
  • the number of times the moving time (S) of the first pressing plate 310 is determined to be shorter than the reference time is set to a plurality number of times, not just once, in order to prevent the time for emptying the dust from being indicated even when the moving time (S) of the first pressing plate 310 is reduced by external factors.
  • the first pressing plate 310 being rotated toward one side of the second pressing plate 320 may change its rotation direction and be moved toward the other side of the second pressing plate 320, without being completely rotated to the one side of the second pressing 320 because of dust between the first pressing plate 310 and the inner circumferential surface of the dust container 220.
  • the moving time (S) of the first pressing plate 310 may be reduced.
  • the number of times the moving time (S) of the first pressing plate 310 is determined to be shorter than the reference time (Sc) is set to a plurality of times.
  • the first pressing plate 310 is moved to a location allowing the user to facilitate emptying of the dust within the dust collector S510.
  • the first pressing plate 310 can be stopped after rotated to a location spaced apart from the second pressing plate 320 at an angle of about 180° .
  • the first pressing plate 310 is moved to be at the maximum distance from the second pressing plate 320, thereby facilitating the emptying of the dust.
  • the first pressing plate 310 may be stopped after moved for half of the reference time (Sc) (i.e., 1/2 of the reference time). In this case, the pressing plate 310 is spaced apart from both ends of the dust compressed at both sides of the second pressing plate 320 at the same distance.
  • the location where the first pressing plate 310 is stopped may vary according to the amount of dust compressed at both sides of the second pressing plate 320.
  • the first pressing plate 310 is moved to a location where it is at an angle of about 180° from the second pressing plate 320.
  • the indication units 510 and 520 are operated to inform the user of a time for emptying the dust S520.
  • the LED 510 and the speaker 520 may be used as the indication units 510 and 520.
  • the LED 510 may be repetitively turned ON and OFF so that user can easily recognize light, and the speaker 520 may output a buzzing sound or a melody.
  • S510 and S520 may be performed either sequentially or simultaneously.
  • a suction motor operated by a predetermined load is continuously operated for a first set period of time S530.
  • the predetermined load means an operational state of the suction motor before the indication units 510 and 520 work.
  • the load of the suction motor is decreased to a predetermined value, and the suction motor is operated by the decreased load for a second set period of time S530.
  • the operation of the suction motor is divided into the several processes mentioned above, in order to prevent the user from determining that the cleaner is broken when the suction motor is momentarily stopped.
  • FIG. 16 is a perspective view illustrating a coupling relation between a driving unit and a dust collector according to the second embodiment of the present invention.
  • the lower end of the mounting part 130 includes a compressing motor 430 and a driving gear 420 coupled to the compressing motor 430, and an on/off micro switch 440 provided to correspond to the rotation of the driving motor 420.
  • a terminal that extends from an end of the micro switch 440 is disposed below the position in which the teeth 422 of the driving gear 420 are formed.
  • the micro switch 440 is in an on state when a protrusion of the driving gear 420 is above its terminal, and in an off state when a recess is above the terminal.
  • the on-off signals of the micro switch 440 are applied to a counter 880 (to be described below) so that a predetermined pulse signal is outputted.
  • the counter 880 outputs a pulse signal that has a high level when the micro switch 440 is on and a low level when the micro switch 440 is off.
  • the rotated state of the driving gear 420 can be measured.
  • the micro switch 440 detects when the driving gear 420 cannot rotate any further due to collected dust, so that the compressing motor 430 is operated again after it is stopped for a predetermined duration.
  • FIG. 17 a block diagram illustrating a control unit of a vacuum cleaner according to an embodiment of the present invention
  • FIG. 18 is a flowchart illustrating a dust compressing process of the dust collection unit and dust discharge alarming
  • FIG. 19 is a waveform of a pulse signal varying according to an amount of the dust collected in the dust collection unit.
  • the vacuum cleaner of the second embodiment includes a control unit 810 formed of a microcomputer, an operation signal input unit 820 (corresponding to 510 of FIG. 1) for selecting a suction power of the dust (e.g., high, middle, low power modes), a dust discharge signal display unit 830 (corresponding to 510 or 520 of FIG.
  • a suction motor driver 840 for operating the suction motor 850 that is a driving motor for sucking the dust into the dust collection unit according to the operation mode
  • a compression motor driver 860 for operating the compressing motor 430 used for compressing the dust collected in the dust collection unit
  • a counter 880 for measuring a degree of the rotation clockwise and counterclockwise (e.g., reciprocal rotation time) of the compressing motor 430.
  • control unit 810 controls the suction motor driver 840 so that the suction motor 850 can be operated with the suction power corresponding to the selected power mode.
  • control unit 810 operates the compression motor 430 simultaneously with or right after the operation of the suction motor driver 860.
  • the suction motor 850 operates, the dust starts being sucked into the dust collection unit through the suction nozzle 20.
  • the dust introduced into the dust collection unit is compressed by the first compressing plate 310 rotating by the compression motor 430.
  • the counter 880 measures the reciprocal time (period) of the compressing motor 430 and transmits the corresponding signal to the control unit 810.
  • the reciprocal rotation time of the compression motor is reduced.
  • the control unit 810 displays an empty request signal through the indicator 830.
  • the user operates the vacuum cleaner by selecting one of the high, middle and low modes of the operation signal input unit 820.
  • the control unit 810 controls the suction motor driver 840 so that the suction motor 850 can be operated with the suction power corresponding to the selected power mode (s1010) .
  • the suction motor 850 When the suction motor 850 operates, the dust starts being sucked into the dust collection unit through the suction nozzle 20. The sucked dust is collected in the dust collection unit. As described above, the dust collected in the dust collection container 220 is compressed by the pressing plates 310 and 320.
  • control unit 810 drives the compressing motor 430 to compress the dust sucked in the dust collection container (S1020).
  • the compressing motor 430 is driven after the suction motor 850 is driven, the suction and compression motors 850 and 870 may be simultaneously operated.
  • step S1020 when the compressing motor 430 is driven, the driving gear 420 coupled to the rotational shaft of the compressing motor 430 rotates.
  • the driving gear 410 rotates
  • the driven gear 410 starts rotating.
  • the rotational shaft 312 coupled to the driven gear 410 and the first pressing plate 310 rotate toward the second pressing plate 320 to compress the dust in step S1030.
  • the terminal of the micro switch 440 is turned on and off at regular intervals according to the rotation of the driving gear 420.
  • the counter 880 that receives the on/off signal of the micro switch 440 outputs a predetermined pulse signal corresponding to the received signal, and sends the pulse signal to the control unit 810.
  • the reciprocal rotation time of the driven gear 410 is reduced and thus the reciprocal rotation time of the driving gear 420 engaged with the driven gear 410 also reduced.
  • the reduction of the reciprocal rotation time of the driving gear 420 means that the number of on-off operations of the micro switch M is reduced. That is, the number of the pulse signals output from the counter 880 is reduced.
  • the driven and drive gears 410 and 420 rotate with a predetermined period and thus the micro switch M is turned on and off a predetermined period according to the rotation of the driving gear 420.
  • the control unit when the number of the pulse signals and the generation of these pulse signals is repeated by a predetermined times (3 times in this embodiment), the control unit receives an empty request signal.
  • the present invention increases dust collection efficiency by compressing the dust and displaying a dust discharge timing by converting the number of rotations of the gear rotated by the compression motor and detecting the variation in the pulse signal according to the amount of the dust.
  • the dust collector includes a compressing motor 430 below the mounting portion 130, a driving gear 420 coupled to the compressing motor 430, a driven gear 410 coupled to the driving gear 420, and a micro switch 450 that is turned on and off according to the rotation of the driven gear 410.
  • the micro switch 450 has a terminal 460 that allows the micro switch 450 to be turned on and off that is disposed in contact with the lower side of the driven gear 410.
  • the driven gear 410 includes a round plate shaped floor portion 412, a contact rib 413 extending upward from the lower edge of the floor portion 412 and contacting the terminal 440, and a plurality of gear teeth 416 formed along the side perimeter of the floor portion 412.
  • the contact rib 413 has a position check groove 415 (for checking the position of the driven gear 410) formed therein to prevent contact of the terminal 440 when at a predetermined position of the driven gear 410.
  • the terminal 440 not contacting the contact rib 413 means that when a portion of the terminal 460 is inserted into the position check groove 415, the terminal 460 does not contact the lower surface of the contact rib 413.
  • the terminal 460 contacts the contact rib 413 and presses a contact point of the micro switch 430. Also, when the driven gear 410 is rotated and moves to a predetermined position, a portion of the terminal 440 is inserted in the position check groove 415, so that the terminal 440 is disengaged from the contact point 452.
  • the micro switch 450 is turned off only when the terminal 460 is disposed at the position check groove 415, and in all other cases, the micro switch 450 is turned on when the terminal 460 is in contact with the lower surface of the contact rib 413.
  • the micro switch 450 is always on, with the exception of when the terminal 460 is disposed at the position check groove 415.
  • FIG. 24 is a block diagram of a control unit of a vacuum cleaner according to the third embodiment of the present invention.
  • FIGS. 25 and 26 are diagrams for describing an on state of a micro switch when a first pressing member becomes close to one side of a second pressing member for compressing dust according to the present invention
  • FIGs. 27 and 28 are diagrams for describing an off state of the micro switch in FIG. 25 when the first and second pressing members are positioned respectively in-line
  • FIGs. 29 and 30 are diagrams for describing an on state of the micro switch in FIG. 25 when the first pressing member approaches the opposite side of the second pressing member.
  • the terminal 460 when a first pressing member 310 forms an angle of 180° with respect to a second pressing member 320, the terminal 460 is disposed in the position check groove 415 of the driven gear 410. In this case, the terminal 460 is disengaged from the contact point 452 so that the mask switch 450 is in an off position.
  • FIG. 31 is a diagram for describing the overall operation of the first pressing member described in FIGs. 25 through 30.
  • control unit 810 sets an off state of the micro switch as a reference, and measures the first and second return times.
  • control unit 810 measures the first and second return times according to the rotation of the first pressing member 310 in a clockwise or counterclockwise direction.
  • the predetermined reference time is a time that a designer sets into the control unit 810, and is an indicator that signals that a predetermined amount of dust has accumulated in the dust collector body 210.
  • the designer may conduct multiple tests to set an optimal reference time, and differs according to the capacity of each vacuum cleaner.
  • control unit 810 sends a signal to the dust empty signal 830 in step S1270, so that a user may perceive the message.
  • a canister type vacuum cleaner was used as an example.
  • the present invention may also be applied to an upright type or a robot vacuum cleaner.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)
EP20070101387 2006-05-23 2007-01-30 Aspirateur et son procédé de commande Active EP1859719B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020060046077A KR100871487B1 (ko) 2006-05-23 2006-05-23 진공 청소기의 제어 방법
KR1020060085919A KR100906849B1 (ko) 2006-09-06 2006-09-06 진공 청소기 및 그의 제어 방법
KR1020060098191A KR100833362B1 (ko) 2006-10-10 2006-10-10 진공 청소기의 제어 방법

Publications (3)

Publication Number Publication Date
EP1859719A2 true EP1859719A2 (fr) 2007-11-28
EP1859719A3 EP1859719A3 (fr) 2012-07-25
EP1859719B1 EP1859719B1 (fr) 2014-03-12

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EP20070101387 Active EP1859719B1 (fr) 2006-05-23 2007-01-30 Aspirateur et son procédé de commande

Country Status (3)

Country Link
EP (1) EP1859719B1 (fr)
JP (1) JP4625039B2 (fr)
AU (1) AU2007200409B2 (fr)

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WO2009011482A1 (fr) 2007-07-16 2009-01-22 Lg Electronics Inc. Aspirateur et son procédé de commande
CN102210574A (zh) * 2010-04-12 2011-10-12 乐金电子(天津)电器有限公司 集尘桶压缩装置
CN110840329A (zh) * 2019-11-28 2020-02-28 安徽富坤机械设备有限公司 一种吸尘器集尘装置
CN112013923A (zh) * 2020-09-07 2020-12-01 追创科技(苏州)有限公司 集尘桶的尘满检测系统及方法
US11497366B2 (en) * 2019-01-25 2022-11-15 Sharkninja Operating Llc Cyclonic separator for a vacuum cleaner and a vacuum cleaner having the same

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Publication number Priority date Publication date Assignee Title
JP4589989B2 (ja) * 2008-07-03 2010-12-01 シャープ株式会社 サイクロン分離装置
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WO2009011482A1 (fr) 2007-07-16 2009-01-22 Lg Electronics Inc. Aspirateur et son procédé de commande
EP2173227A1 (fr) * 2007-07-16 2010-04-14 Lg Electronics Inc. Aspirateur et son procédé de commande
EP2173227A4 (fr) * 2007-07-16 2012-07-25 Lg Electronics Inc Aspirateur et son procédé de commande
CN102210574A (zh) * 2010-04-12 2011-10-12 乐金电子(天津)电器有限公司 集尘桶压缩装置
CN102210574B (zh) * 2010-04-12 2015-08-05 乐金电子(天津)电器有限公司 集尘桶压缩装置
US11497366B2 (en) * 2019-01-25 2022-11-15 Sharkninja Operating Llc Cyclonic separator for a vacuum cleaner and a vacuum cleaner having the same
CN110840329A (zh) * 2019-11-28 2020-02-28 安徽富坤机械设备有限公司 一种吸尘器集尘装置
CN112013923A (zh) * 2020-09-07 2020-12-01 追创科技(苏州)有限公司 集尘桶的尘满检测系统及方法

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JP2007313293A (ja) 2007-12-06
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EP1859719A3 (fr) 2012-07-25
AU2007200409A1 (en) 2007-12-13
JP4625039B2 (ja) 2011-02-02

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