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
  • A47L9/20—Means for cleaning filters
• • 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
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
  • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
  • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
  • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action

Definitions

• the present invention relates to a vacuum cleaner, and more specifically, so that dust collected from a collecting device such as a filter that collects dust does not adhere to the collecting device again. It relates to an electric cleaner.
• a vacuum cleaner body having a dust container chamber formed therein, a dust container that is detachably attached to the dust container chamber, and an electric blower provided downstream of the dust container chamber And a secondary filter that is detachably attached to the rear opening of the dust collecting container, for example, a pleat filter, and a dust removing device that removes dust adhering to the pleated filter.
• a secondary filter that is detachably attached to the rear opening of the dust collecting container, for example, a pleat filter, and a dust removing device that removes dust adhering to the pleated filter.
• This dust removing device includes a ring rotatably disposed at a position facing the pleat filter, and a protrusion provided on the ring so as to come into contact with the pleat filter.
• An object of the present invention is to provide a vacuum cleaner in which dust whose power has been collected by a secondary filter such as a secondary filter that collects dust is prevented from adhering to the secondary filter again.
• a vacuum cleaner includes a suction connection.
• the electric blower that sucks and sucks dust through the mouth, the dust separation part that collects dust by separating the dust and air sucked and sucked into the suction connection port, and the dust separation part are provided separately.
• the collection device that collects dust that has passed through the dust separation unit, the dust removal device that drops the dust collected by the collection device, and the dust that has fallen from the collection device by the dust removal device And a return mechanism configured to return to the upstream side of the dust separator, and the dust returned by the return mechanism is collected by the dust separator.
• the dust dropped by the dust removing device from the collecting device such as the secondary filter is returned to the dust separation unit and collected, so that it again adheres to the collecting device. Can be prevented.
• FIG. 1 is a perspective view showing an external appearance of an electric vacuum cleaner according to a first embodiment of the present invention.
• FIG. 2 is a longitudinal sectional view showing the configuration of the cleaner body shown in FIG.
• FIG. 3 is a perspective view showing a dust collection unit of the vacuum cleaner.
• FIG. 4 is a perspective view showing the main part of the dust collection unit.
• FIG. 5 is a cross-sectional view showing the configuration of the dust collection unit shown in FIG.
• FIG. 6 is a perspective view of the dust collection unit shown in FIG. 3 in different directions.
• FIG. 7 is an explanatory view showing the direction of blades of a rotating fan of a dust removing device in the electric vacuum cleaner.
• FIG. 8 is a conceptual diagram showing the air path of the cleaner body shown in FIG.
• FIG. 9 is a longitudinal sectional view showing the configuration of the cleaner body in the second embodiment of the present invention.
• FIG. 10 is a conceptual diagram showing the air path of the cleaner body of the second embodiment.
• FIG. 1 shows a first embodiment of a vacuum cleaner according to the present invention.
• the electric vacuum cleaner 10 according to the first embodiment has a dust collecting hose in which a vacuum cleaner body 11 and one end are detachably connected to a connection port 11a of the vacuum cleaner body 11 and a hand control tube 13 is provided at the other end. 12, an extension pipe 14 that is detachably connected to the hand control pipe 13, and a suction port body 15 that is detachably connected to the tip of the extension pipe 14.
• the operating section 13 is provided with an operating section 13A.
• the operating section 13A has a driving stop switching switch 13a for switching between driving and stopping of an electric blower 24, which will be described later, and a strength switching switch for controlling the power of the electric blower 24. 1 3b etc. are provided.
• the vacuum cleaner main body 11 includes a main body case 20 in which a dust collecting unit 50 and an electric blower 24 are mounted (see FIG. 2). The dust collection unit 50 and the electric blower 24 will be described later.
• the suction port body 15 includes a dust suction port (not shown) that opens to the bottom surface of the suction port body so as to suck dust on the floor or the like, and a suction chamber (not shown) that communicates with the dust suction port ( (Not shown) is formed, and this suction chamber is connected to the dust collecting unit 50 (see FIG. 3) provided in the main body 11 of the cleaner through the extension pipe 14, the dust collecting hose 12, and the connection port 11a. Is connected to the suction inlet 57a.
• a shirter 600 is provided in the connection port 11a of the vacuum cleaner body 11, and this shirter 600 is configured to close and open the connection port 11a. .
• a dust collection unit chamber 22 is formed on the front side of the main body case 20, and the dust collection unit 50 is disposed in the dust collection unit chamber 22.
• the electric blower 24 is disposed on the rear side of the main body case 20 (left side in FIG. 2).
• a large-diameter connecting air passage 25 having a front opening 25B is formed on the front side of the electric blower 24.
• a connection opening 25b is formed in the rear wall 25A of the connection air passage portion 25, and a small-diameter air passage tube 500 is connected to the connection opening 25b.
• the air duct 500 is in communication with the suction opening 24A of the electric blower 24.
• a first closing device is provided in the air duct 500, and this first closing device includes, for example, a shirter 501. By opening and closing the shirt 501, the suction opening 24 ⁇ / b> A of the electric blower 24 and the inside of the connection air passage section 25 are communicated or disconnected.
• bypass wind pipe 502 is connected to the wind pipe 500 between the shatter 501 and the suction opening 24A, and the bypass wind pipe 502 and the wind pipe 500 communicate with each other.
• the dust collection unit 50 includes a dust separation unit 400 and a dust collection container 410.
• the dust separation unit 400 includes a dust separation unit 52 that separates dust and air and collects dust, and a collection device that collects dust that has passed through the dust separation unit 52.
• the collection device includes a filter device 80 and a lid case 21A provided on the filter device 80.
• the dust separation unit 52 has a form in which air containing dust is swirled and the dust and air are separated by inertia force. The details of the dust separator 52 and the filter device 80 will be described later.
• the dust collecting container 410 includes a transparent dust collecting part 70 made of a resin and a lid case 21B provided on the dust collecting part 70.
• the dust separation part 52 is provided with a separation chamber part 54 formed in a cylindrical shape by an outer peripheral wall 53, and is provided in the separation chamber part 54 along the axis of the separation chamber part 54.
• Air is guided to the separation chamber portion 54 from the first dust separation device 55 having a substantially conical shape, the suction air passage portion 56 provided outside the right side wall 54A of the separation chamber portion 54, and the suction connection port 57a for sucking dust. And a guide air duct 57.
• the suction connection port 57a communicates with the connection port 11A of the cleaner body 11 via the shirter 600 as shown in FIG.
• an introduction opening 53A for introducing dust separated from air into the dust collecting portion 70 is formed on the upper portion of the outer peripheral wall 53 of the separation chamber portion 54.
• a circular opening 154A and a fan-shaped opening 154B are formed in the right side wall 54A of the separation chamber 54, and the first dust separator 55 is attached to the opening 154A.
• a net filter NF2 (not shown) is attached to the opening 154B.
• a connection opening 54Aa is formed in the right side wall 54A, and a guide air duct 57 is connected to the connection opening 54Aa, and the separation chamber portion 54 and the guide air duct 57 are communicated with each other.
• the first dust separation device 55 includes a plurality of frames 55a, and a net filter NF1 attached around the frame 55a and a force.
• the suction air passage 56 communicates with the inside of the separation chamber 54 via the opening 154A of the right side wall 54A and the net filter NF1 (see FIG. 5), and the net filter NF2 (see FIG. 5) of the opening 154B of the right side wall 54A. (Not shown) and communicates with the inside of the separation chamber 54.
• the suction air passage portion 56 communicates with the inside of the storage case 81 of the filter device 80, and a dust collection case portion to be described later via a connection opening 56A formed in the right side wall portion 156 (see FIG. 5). 7 It communicates with 4 dust collection chambers 73.
• bypass air duct pipe 502 The other end of the bypass air duct pipe 502 is connected to the bottom of the suction air duct section 56, and the suction air duct section 56 and the air duct pipe 500 of the cleaner body 11 are connected via the bypass air duct pipe 502. It is communicated.
• a third closing device is provided on the other end side of the bypass air duct tube 502, and the third closing device includes, for example, an electromagnetic valve 503. By this electromagnetic valve 503, the bypass air duct 502 is closed or opened.
• the dust collecting portion 70 includes a communication case portion 72 having a communication passage 71 extending in the left-right direction at the upper portion, and extending downward from the right end portion of the communication case portion 72 and collecting dust.
• An opening 72A is formed in the lower surface on the left side of the communication case portion 72, and the opening 72A communicates with the introduction opening 53A of the dust separation portion 52 as shown in FIG.
• a connection opening 75 is formed in the left side wall 74A of the dust collection case 74, and a net filter NF3 is attached to the connection opening 75! /.
• a cover plate 170 is attached to the outer wall of the dust collecting case 74 at a position outside the net filter NF3 and at a predetermined distance from the net filter NF3. Cover plate 1
• An opening 170A is formed in the lower part of 70. [0031] The opening 170A of the cover plate 170 is connected to the connection opening 56A of the suction air passage section 56.
• the introduction opening 53A of the dust separator 52 is connected to the opening 72A of the dust collection container 410 as shown in FIG.
• the opening 170A of the cover plate 170 of the dust collecting container 410 is connected to the connection opening 56A of the suction air passage 56 of the dust separation unit 400.
• the filter device 80 includes a cylindrical storage case 81 whose rear surface is opened and a pleat filter unit 100 attached in the storage case 81. .
• a dust separation part 52 is formed on the front surface of the front wall part 84 of the storage case 81.
• the pleated filter unit 100 includes a pleated filter 104 having a plurality of radially extending peaks.
• connection opening 84A is formed in the front wall portion 84 (see FIG. 2) of the storage case 81, and this connection opening 84A is connected to the suction air passage portion 56 (see FIG. 5). ing.
• the inside of the storage case 81 and the suction air passage section 56 communicate with each other through the connection opening 84A.
• the connection opening 84A is provided with a second closing device, and the second closing device is composed of, for example, a shirter 700. This shirter 700 closes or opens the connection opening 84A.
• the storage case 81 is provided with a return mechanism for returning the air in the storage case 81 to the dust separation unit 52.
• This return mechanism includes, for example, a return air passage 640 that forms an air passage.
• One end of the return air passage 640 is connected to the lower part of the front wall portion 84 of the storage case 81, and the other end of the return air passage 640 is connected to the guide air passage tube 57 of the dust separation portion 52.
• an electromagnetic valve 641 is provided on the other end side of the return air passage 640, and the return air passage 640 is closed or opened by the operation of the electromagnetic valve 641.
• an outside air introduction air passage 650 (see Fig. 2) for introducing outside air into the storage case 81 is provided.
• the outside air introduction air passage 650 includes, for example, An electromagnetic valve 651 is provided. The operation of the electromagnetic valve 651 causes the outside air introduction air passage 650 to be blocked or opened.
• a dust removing device for removing dust from the pleated filter unit 100 is provided in the storage case 81.
• This dust removing device is provided between the pleated filter unit 100 and the front wall 84 of the storage case 81 in the illustrated embodiment.
• Arranged and rotated center axis of pleated filter part 100 around 101A It consists of a rotating fan 800.
• the rotary fan 800 is rotated by the outside air introduced into the outside air introduction air path.
• At least one protrusion 802 is formed on the frame 801 of the rotary fan 800, and the protrusion 802 is in contact with the peak portion of the pleated filter 104.
• rotating fan 800 When rotating fan 800 is rotated, its projection 802 goes over the ridge of pleat filter 104, thereby vibrating pleat filter 104 and shaking off dust adhering to pleat filter 104. it can. Further, the direction of the blade 803 of the rotary fan 800 is set so as to receive outside air introduced from the outside air introduction air passage 650 and flow toward the pleated filter body 100 as shown in FIG. Note that the dust removing device as described above is configured to remove dust from the pleated filter 104 by the rotary fan 800 rotated by the outside air introduced from the outside air introduction air passage 650.
• the dust collection unit 50 is attached to the dust collection unit chamber 22 of the cleaner body 11, and the dust collection hose 12 is connected to the connection port of the cleaner body 11 as shown in FIG.
• the suction port body 15 is connected to the local operation pipe 13 via the extension pipe 14.
• the respective shutters 501, 600, and 700 are opened, and the respective electromagnetic valves 503, 641, and 651 are closed.
• the electric blower 24 is driven.
• air is sucked from the suction opening 24A of the electric blower 24, and the dust collection unit 50 is collected through the air duct 500 and the connecting air duct 25.
• a negative pressure acts in the storage case 81, and further acts in the dust collection case portion 74 and the separation chamber portion 54 of the dust separation portion 52 via the suction air passage portion 56.
• the negative pressure acts on the dust collection hose 12, the extension pipe 14 and the suction port body 15 via the guide air duct tube 57, and dust is sucked together with air from the suction port body 15.
• the sucked dust and air are sucked into the suction connection port 57a of the dust collecting unit 50 through the extension pipe 14 and the dust collecting hose 12. Dust and air sucked into the suction connection port 57a are introduced into the separation chamber portion 54 of the dust separation portion 52 through the guide air duct 57.
• Dust and air are separated by inertia due to the rotation of the air, and the air passes through the net filter NF1 (see Fig. 5) of the dust separator 55 and the net filter NF2 (not shown) of the opening 154B, and further sucks air.
• the air is sucked into the storage case 81 of the filter device 80 through the passage 56.
• the separated dust is collected by the dust collection portion 7 of the introduction opening 53A of the separation chamber portion 54 due to inertial force.
• Air sucked into the storage case 81 is removed from the pleated filter 1 of the pleated filter unit 100.
• each of the shirts 501, 600, 700 is closed and each solenoid valve 503, 641, 651 is opened.
• the electric blower 24 is driven at a predetermined power for a certain time.
• each shatter 501, 600, 700 force S is closed and each solenoid valve 503, 641, 651 force S is opened.
• the outside air is introduced from the outside air introduction air passage 650 into the storage case 81 of the dust collection unit 50 (see FIG. 2). Due to the introduction of the outside air, the rotating fan 800 rotates and vibrates the pleated filter 104 by the projection 802, and the dust attached to the pleated filter 104 is shaken off.
• the outside air introduced into the storage case 81 passes through the return air passage 640 as shown by the broken line in FIG. 8, upstream of the dust separation unit 55, that is, the guide air passage pipe 57 of the dust collecting unit 50. (See Fig. 2) and further into the separation chamber 54 of the dust collection unit 50 shown in Fig. 5.
• the dust is separated from the outside air and carried to the dust collection chamber 73, where the outside air is passed through the net filter NF1 (see Fig. 5) of the first dust separator 55 and the net filter NF2 of the opening 154B ( (Not shown), etc., and is sucked into the suction air passage 56.
• the dust dropped from the pleated filter 104 is separated into the separation chamber portion 5 of the dust collection unit 50.
• FIGS. 9 and 10 show a second embodiment of the electric vacuum cleaner according to the present invention.
• the air duct 500 and the inside of the storage case 81 are communicated with a bypass air duct 900 that forms a bypass air path, and a third dust separation device is connected to the bypass air duct 900.
• the third dust separation device includes, for example, a filter 901 and a solenoid valve 902.
• the shirter 501, 700 is opened, the electromagnetic valve 902 is closed, and the electric blower 24 is driven.
• air flows and dust is collected in the dust collection chamber 73 in the same manner as in the first embodiment.
• outside air is introduced from the outside air introduction air passage 650 into the storage case 81 of the dust collecting unit 50, and this outside air causes the same as in the first embodiment.
• the dust adhering to the pre-filter 104 is shaken off.
• the outside air introduced into the storage case 81 is sucked into the air duct 500 through the bypass air duct 900 as shown by the broken line in FIG. 10, and further sucked into the suction opening 24A of the electric blower 24. It will be done.
• the dust dropped from the pleat filter 104 rides on the flow of the outside air and passes through the bypass air duct 900, as in the first embodiment. Since the bypass air duct 900 has a filter 901, the dust is captured by the filter 901, and only air is sucked into the air duct 500.
• the shirter 600, the return air duct 640, and the solenoid valve 641 are not necessary.
• the present invention is not limited to the first and second embodiments described above.
• the present invention is a type of vacuum cleaner that uses a paper pack filter instead of the dust separating unit 52 and the dust collecting unit 70. Also good.
• the present invention is applied to a vacuum cleaner.
• the present invention is not limited to this.
• a filter force in an air conditioning system or the like can also be applied to remove dust.

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

Priority Applications (3)

Applications Claiming Priority (2)

Publications (1)

Family

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Family Applications (1)

Country Status (7)

Families Citing this family (15)

Citations (8)

Family Cites Families (14)

• 2006
  • 2006-03-31 JP JP2006099864A patent/JP4041150B2/ja not_active Expired - Fee Related
• 2007
  • 2007-03-28 CN CN2007800196496A patent/CN101466296B/zh not_active Expired - Fee Related
  • 2007-03-28 US US12/294,432 patent/US20090133212A1/en not_active Abandoned
  • 2007-03-28 KR KR1020087023932A patent/KR101074541B1/ko not_active IP Right Cessation
  • 2007-03-28 RU RU2008143222/12A patent/RU2396066C2/ru not_active IP Right Cessation
  • 2007-03-28 EP EP12187314A patent/EP2561786A1/de not_active Withdrawn
  • 2007-03-28 EP EP07740019A patent/EP2002774A4/de not_active Withdrawn
  • 2007-03-28 WO PCT/JP2007/056581 patent/WO2007114141A1/ja active Application Filing

Patent Citations (8)

Non-Patent Citations (1)

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