WO2020027469A1 - 청소기의 노즐 및 그 제어방법 - Google Patents
청소기의 노즐 및 그 제어방법 Download PDFInfo
- Publication number
- WO2020027469A1 WO2020027469A1 PCT/KR2019/008884 KR2019008884W WO2020027469A1 WO 2020027469 A1 WO2020027469 A1 WO 2020027469A1 KR 2019008884 W KR2019008884 W KR 2019008884W WO 2020027469 A1 WO2020027469 A1 WO 2020027469A1
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- WIPO (PCT)
- Prior art keywords
- nozzle
- driving
- water
- rotational speed
- nozzle body
- Prior art date
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Classifications
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
- A47L11/201—Floor surfacing or polishing machines combined with vacuum cleaning devices with supply of cleaning agents
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4063—Driving means; Transmission means therefor
- A47L11/4069—Driving or transmission means for the cleaning tools
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
- A47L11/202—Floor surfacing or polishing machines combined with vacuum cleaning devices having separate drive for the cleaning brushes
- A47L11/2025—Floor surfacing or polishing machines combined with vacuum cleaning devices having separate drive for the cleaning brushes the tools being disc brushes
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
- A47L11/283—Floor-scrubbing machines, motor-driven having rotary tools the tools being disc brushes
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
- A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
- A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4011—Regulation of the cleaning machine by electric means; Control systems and remote control systems therefor
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4038—Disk shaped surface treating tools
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
- A47L11/4044—Vacuuming or pick-up tools; Squeegees
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- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
-
- 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
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4088—Supply pumps; Spraying devices; Supply conduits
Definitions
- the present specification relates to a nozzle of a cleaner and a control method thereof.
- the vacuum cleaner is a device for cleaning by sucking or wiping dust or foreign matter in the area to be cleaned.
- Such a cleaner may be classified into a manual cleaner for performing cleaning while the user directly moves the cleaner, and an automatic cleaner for cleaning while driving by the user.
- the manual cleaner may be classified into a canister cleaner, an upright cleaner, a handy cleaner, a stick cleaner, and the like according to the type of the cleaner.
- Such a cleaner may clean the bottom surface using a nozzle.
- the nozzle can be used to suck air and dust.
- a mop may be attached to the nozzle to clean the floor with the mop.
- Korean Patent Publication No. 10-0405244, which is Priority Document 1 discloses an inlet assembly of a vacuum cleaner.
- the inlet assembly of Prior Art 1 includes an inlet body provided with a inlet.
- the suction port main body includes a front first suction path, a rear second suction path, and a guide passage formed between the first suction path and the second suction path.
- a mop is rotatably installed at a lower end of the suction port main body, and a rotation driving unit for driving the mop is provided inside the suction part main body.
- the rotary drive unit includes one rotary motor and gears for transmitting the power of one rotary motor to the plurality of rotating bodies to which the mop is attached.
- Korean Patent Laid-Open No. 10-2017-0028765 which is Prior Art 2, discloses a cleaner.
- the cleaner disclosed in Prior Art 2 has a cleaner body in which a mop is rotatably installed at a lower portion thereof, a handle connected to the cleaner body or a bucket attached to the cleaner body, and a water spray nozzle installed to spray water to the front of the cleaner body. And a water supply unit supplying water from the bucket to the water jet nozzle.
- a pair of drive motors are provided, and a pair of rotating plates and a mop interlocked with the drive motor are rotated and mop the floor surface.
- the present invention provides a nozzle of a cleaner which can not only inhale foreign matter on the bottom surface, but also wipe the bottom by rotating the mop, and supply water to the mop.
- the present invention is to provide a nozzle of a cleaner that can stably supply the water of the water tank to the rotary cleaning unit during the cleaning process.
- the present invention provides a cleaner nozzle that prevents an increase in the length of an air flow path for flowing air, even if a structure capable of wiping the floor using a mop is reduced.
- the present invention provides a nozzle of a cleaner that can increase the amount of storage of water in the water tank while minimizing the height increase of the nozzle.
- the present invention provides a nozzle of a cleaner that can ensure the cleaning area by the mop even with a small amount of movement when cleaning using the nozzle.
- the present invention provides a nozzle of a cleaner in which the weights of the plurality of drive devices are uniformly distributed from side to side.
- the present invention also provides a nozzle of a cleaner in which the center of gravity of the nozzle in the state where the water tank is mounted is prevented from being directed to the driving device side.
- the present invention provides a nozzle of a cleaner in which water discharged through the water supply passage is prevented from being introduced into the nozzle body.
- the present invention provides a nozzle of a cleaner in which the length of the water supply passage for supplying water of the water tank to the rotary cleaning unit is minimized.
- the present invention provides a nozzle of a cleaner in which leakage of water discharged from a water tank is minimized.
- the present invention provides a nozzle of a cleaner that can supply the same amount of water to each rotary cleaning unit.
- the present invention by rotating the mop disposed on both sides of the nozzle body at the same or similar speed, it is possible to improve the phenomenon that the nozzle body is arbitrarily changed direction or shifted to one side, and the straight running of the nozzle body can be improved
- a nozzle of a cleaner and a control method thereof Provided are a nozzle of a cleaner and a control method thereof.
- the user can operate the handle connected to the nozzle body without applying a large force, thereby improving the user's ease of operation during the cleaning process, and provides a nozzle and a control method of the cleaner that can reduce the user's fatigue. do.
- the present invention provides a nozzle of a cleaner and a control method thereof, by which a user can easily change the moving direction of the nozzle body with a small force without a large force.
- the nozzle of the cleaner according to an aspect of the present invention provided to achieve the above object is arranged with a nozzle body having a suction passage for sucking air, spaced apart from the left and right in the lower side of the nozzle body, respectively.
- the first rotary cleaning unit and the second rotary cleaning unit having a rotating plate to which the mop can be attached, and a first drive for driving the first rotary cleaning unit, disposed on one side of the passage extending in the front-rear direction among the suction passages.
- a second drive device having a motor, a second drive device disposed on the other side of the flow path extending in the front-rear direction of the suction flow path, and having a second drive motor for driving the second rotary cleaning unit; It is detachably mounted on the upper side of the main body, is provided in the water tank for storing water for supply to each of the rotary cleaning unit, and the nozzle body, In communication with the water tank and comprises a water supply passage for supplying water in the water tank to the respective rotary sweepers.
- the first sensing unit for detecting the rotational speed of the first driving motor may include a control unit for receiving the rotational speed of the motor, and controls the rotational speed of the first and second drive motors.
- the controller may compare the rotation speeds of the first and second driving motors detected by the first and second sensing units, and selectively adjust the rotation speeds of the first and second driving motors according to the comparison result. Can be.
- the controller may control the output to increase the rotation speed of the drive motor having a relatively low rotation speed if the difference between the rotation speeds of the first and second drive motors is greater than the reference value.
- the controller may control the output to reduce the rotation speed of the drive motor having a relatively large rotation speed when the difference between the rotation speeds of the first and second drive motors is greater than the reference value.
- the controller may maintain the rotation speeds of the first and second drive motors when the difference between the rotation speeds of the first and second drive motors is equal to or less than a reference value.
- the apparatus may further include a direction detecting sensor configured to detect a change in the traveling direction of the nozzle body and to transmit the changed direction to the controller.
- the controller when the direction change sensor detects a change of direction toward the left side of the nozzle body, the controller outputs the rotation speed of the first driving motor disposed on the left side to be smaller than the rotation speed of the second driving motor disposed on the right side. Can be controlled.
- the controller when the direction change sensor detects a change of direction toward the right side of the nozzle body, the controller outputs the rotational speed of the second driving motor disposed on the right side to be smaller than the rotational speed of the first driving motor disposed on the left side. Can be controlled.
- the nozzle control method of the cleaner includes the steps of turning on the first and second drive motors, and detecting the rotational speeds of the first and second drive motors in the first and second detection units, respectively. And comparing, by the controller, the rotational speeds of the first and second drive motors, and selectively adjusting the rotational speeds of the first and second drive motors according to the comparison result.
- control unit may control the output so that the rotational speed of the drive motor having a relatively low rotational speed is increased.
- control unit can control the output so that the rotational speed of the drive motor having a relatively large rotational speed is reduced.
- a method of controlling a nozzle of a cleaner includes: turning on first and second driving motors, detecting a change in a moving direction of the nozzle body by a direction sensor, and direction of the nozzle body. And selectively adjusting the rotational speeds of the first and second driving motors according to whether to switch.
- the controller may control the output such that the rotational speed of the first driving motor disposed on the left side is smaller than the rotational speed of the second driving motor disposed on the right side.
- the controller may control the output such that the rotational speed of the second driving motor disposed on the right side is smaller than the rotational speed of the first driving motor disposed on the left side.
- the floor can be cleaned by rotating the rotating plate attached to the mop can improve the floor cleaning performance.
- the water tank is mounted on the nozzle can supply water to the mop, there is an advantage that the user's convenience is increased.
- the water pump can be operated by the pump motor, so that the water in the water tank can be stably supplied to the rotary cleaning unit during the cleaning process.
- the flow path loss is increased by preventing the increase in the length of the air flow path for the air to flow. Can be prevented.
- the water tank separates the two chambers from side to side, the two chambers are communicated at the front part of the water tank, and the two chambers are arranged to surround the circumference of the drive unit, thereby minimizing the height increase of the nozzles while the water tank There is an advantage that can increase the storage amount of.
- the diameter of the mop is formed to be 0.6 times or more than half of the left and right width of the nozzle body, the area for cleaning the floor facing the nozzle body is not only increased, but also does not face the nozzle body The area for cleaning the floor can also be increased. Therefore, even if the nozzle is moved less, the floor surface of the same area can be cleaned using a mop.
- the two driving devices are disposed on both sides of the second flow path extending in the front-rear direction, there is an advantage that the weight of the driving device can be uniformly distributed from side to side in the nozzle.
- the connecting chamber connecting the two chambers in the water tank is located between the first flow path and the plurality of driving devices, the center of gravity of the nozzle can be prevented from being pulled toward the rear of the nozzle.
- the injection nozzle connected to the end of the water supply flow path is exposed to the outside of the nozzle housing, water injected from the injection nozzle can be prevented from entering the nozzle housing.
- the water supply passage branches the water to supply water to each of the plurality of rotary cleaning units, there is an advantage of minimizing the water leakage portion.
- the outlet and the water pump are located on one side of the second flow path of the suction flow path, there is an advantage that the length of the water supply flow path is minimized.
- the connector to which the branch pipes are connected is located at the upper side of the second flow path, substantially the same amount of water can be supplied to each rotary cleaning unit.
- the user can operate the handle connected to the nozzle body without applying a large force, there is also an advantage that can improve the operation convenience that the user feels during the cleaning process, and lower the fatigue feeling the user.
- FIG 1 and 2 are perspective views of a nozzle of a cleaner according to an embodiment of the present invention.
- Figure 3 is a bottom view of the nozzle of the cleaner according to an embodiment of the present invention.
- FIG. 4 is a perspective view of the nozzle of FIG. 1 viewed from the rear side;
- FIG. 5 is a cross-sectional view taken along the line A-A of FIG.
- FIGS. 6 and 7 are exploded perspective views of a nozzle according to an embodiment of the present invention.
- FIG 8 and 9 are perspective views of the water tank according to an embodiment of the present invention.
- FIG. 10 is a perspective view of the nozzle cover according to an embodiment of the present invention viewed from above.
- FIG. 11 is a perspective view of the nozzle cover according to an embodiment of the present invention viewed from below.
- FIG. 12 is a view showing a state in which a flow path forming unit is coupled to a nozzle base according to an embodiment of the present invention.
- FIG. 13 is a view of the nozzle base from below according to one embodiment of the present invention.
- FIG. 14 is a view showing a plurality of switches installed in the control board according to an embodiment of the present invention.
- 15 is a view of the first and second driving devices according to an embodiment of the present invention viewed from below.
- 16 is a view of the first and second driving devices according to an embodiment of the present invention viewed from above.
- 17 is a view showing a structure for preventing rotation of the motor housing and the drive motor.
- FIG. 18 is a view showing a state in which a power transmission unit is coupled to a drive motor according to an embodiment of the present invention.
- 19 is a view showing a state in which a power transmission unit is coupled to a drive motor according to another embodiment of the present invention.
- 20 is a plan view showing a state in which a driving device is installed in a nozzle base according to an embodiment of the present invention.
- 21 is a front view showing a state in which a driving device is installed in the nozzle base according to an embodiment of the present invention.
- Figure 22 is a view from above of the rotating plate according to an embodiment of the present invention.
- Figure 23 is a view from below of the rotating plate according to an embodiment of the present invention.
- FIG. 24 is a view showing a water supply passage for supplying water to the rotary cleaning unit of the water tank according to an embodiment of the present invention.
- 25 is a view showing a valve in a water tank according to an embodiment of the present invention.
- Fig. 26 is a view showing a state in which a valve is opened with the water tank mounted on the nozzle housing;
- FIG. 27 is a view showing a state in which the rotating plate is coupled to the nozzle body according to an embodiment of the present invention.
- FIG. 28 is a view showing the arrangement of the spray nozzle in the nozzle body according to an embodiment of the present invention.
- 29 is a conceptual view showing a process in which water is supplied to the rotary cleaning unit in the water tank according to an embodiment of the present invention.
- FIG. 30 is a block diagram schematically illustrating some components of the present invention.
- 31 is a conceptual diagram briefly illustrating a configuration of a motor and a sensing unit.
- FIG. 32 is a flowchart illustrating a method of controlling a nozzle of a cleaner according to another embodiment of the present invention.
- FIG 33 is a flowchart illustrating a method of controlling a nozzle of a cleaner according to another embodiment of the present invention.
- first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected or connected to that other component, but there is another component between each component. It will be understood that may be “connected”, “coupled” or “connected”.
- FIG. 1 and 2 are perspective views of a nozzle of a cleaner according to an embodiment of the present invention
- Figure 3 is a bottom view of the nozzle of the cleaner according to an embodiment of the present invention
- Figure 4 is a nozzle of the cleaner of Figure 1 It is a perspective view seen from the back side
- FIG. 5 is sectional drawing cut along AA of FIG.
- the nozzle 1 (hereinafter referred to as “nozzle”) of the cleaner according to the exemplary embodiment of the present invention may move to the nozzle body 10 and the nozzle body 10. It may include a connector 50 to be connected.
- the nozzle 1 of the present embodiment may be connected to, for example, a handy cleaner or a canister type cleaner.
- the nozzle 1 may have its own battery to supply power to the power consuming unit, or operate by receiving power from a cleaner.
- the suction force generated by the suction motor acts as the nozzle 1 to suck foreign substances and air from the bottom surface of the nozzle 1. .
- the nozzle 1 may serve to guide foreign substances and air from the bottom surface to the cleaner.
- the connecting pipe 50 may be connected to the rear center portion of the nozzle body 10 to guide the sucked air to the cleaner.
- the nozzle 1 may further include rotation cleaning parts 40 and 41 rotatably provided below the nozzle body 10.
- a pair of rotary cleaning parts 40 and 41 may be arranged in the left and right directions.
- the pair of rotary cleaning units 40 and 41 may be rotated independently.
- the nozzle 1 may include a first rotary cleaning unit 40 and a second rotary cleaning unit 41.
- Each of the rotary cleaning units 40 and 41 may include mops 402 and 404.
- the mops 402 and 404 may be formed in a disc shape, for example.
- the mops 402 and 402 may include a first mop 402 and a second mop 404.
- the nozzle body 10 may include a nozzle housing 100 forming an outer shape.
- the nozzle housing 100 may form suction passages 112 and 114 for sucking air.
- the suction passages 112 and 114 are first passages 112 extending in the left and right directions from the nozzle housing 100 and second passages 114 communicating with the first passage 112 and extending in the front-rear direction. It may include.
- the first flow path 112 may be formed at the front end of the lower surface of the nozzle housing 100.
- the second flow passage 114 may extend rearward from the first flow passage 112.
- the second flow passage 114 may extend rearward from the central portion of the first flow passage 112 toward the connecting pipe 50.
- the center line A1 of the first flow path 112 may extend in the horizontal direction.
- the center line A2 of the second flow passage 114 may extend in the front-rear direction and may cross the center line A1 of the first flow passage 112.
- the center line A2 of the second flow passage 114 may be positioned at, for example, a point that bisects the nozzle body 10 to left and right.
- the mops 402 and 404 may protrude not only to both sides of the nozzle 1 but also to the rear.
- the rotary cleaning parts 40 and 41 may be located at the rear of the first flow path 112 at the lower side of the nozzle body 10.
- the bottom surface may be wiped by the mops 402 and 404 after the foreign matter and air on the bottom surface are sucked by the first flow path 112.
- the first rotational center C1 of the first rotary cleaning unit 40 eg, the rotational center of the rotary plate 420
- the second rotational center C2 of the second rotary cleaning unit 41 one
- the rotation center of the rotating plate 440 is spaced apart in the left and right directions.
- the center line A2 of the second flow path 114 may be located in an area between the first rotation center C1 and the second rotation center C2.
- the central axis Y that bisects the front and rear length L1 of the nozzle body 10 may be located ahead of the rotation centers C1 and C2 of the respective rotary cleaning parts 40 and 41. have. That is, the central axis Y that bisects the front and rear lengths L1 of the nozzle body 10 is a front end of the nozzle body 10 rather than the rotation centers C1 and C2 of the respective rotary cleaning parts 40 and 41. Can be located close to. This is to prevent the rotary cleaning parts 40 and 41 from blocking the first flow path 114.
- the distance L3 between the central axis Y and the rotation centers C1 and C2 of the respective rotary cleaning parts 40 and 41 may be set to a value greater than zero.
- the distance (L2) between the rotation center (C1, C2) of the rotary cleaning unit 40, 41 may be formed larger than the diameter of each mop (402, 404). This is to prevent the rags 402 and 404 from interfering in the process of rotating, to reduce mutual friction, and to reduce the area that can be cleaned by the interference part.
- the diameters of the mops 402 and 404 are preferably 0.6 times or more than half of the left and right widths of the nozzle body 10.
- the area for cleaning the floor facing the nozzle body 10 with the rags 402 and 404 may be increased, and the area for cleaning the floor not facing the nozzle body 10 may also be increased. Can be.
- the cleaning area by the rags 402 and 404 can be secured even with a small amount of movement when the nozzle 1 is cleaned.
- the nozzle housing 100 may include a nozzle base 110 and a nozzle cover 130 coupled to an upper side of the nozzle base 110.
- the nozzle base 110 may form the first flow path 112.
- the nozzle housing 100 may further include a flow path forming unit 150 that forms the second flow path 114 together with the nozzle base 110.
- the flow path forming unit 150 may be coupled to an upper center portion of the nozzle base 110, and an end thereof may be connected to the connection pipe 50.
- the second flow path 114 may extend in a substantially straight line shape in the front-rear direction by the arrangement of the flow path forming part 150, the length of the second flow path 114 may be minimized.
- the flow path loss in (1) can be minimized.
- the front portion of the flow path forming unit 150 may cover the upper side of the first flow path 112.
- the flow path forming unit 150 may be disposed to be inclined upward from the front end to the rear side.
- the flow path forming part 150 may have a lower height than that of the rear part.
- the height of the front portion of the flow path forming portion 150 is low, there is an advantage that the height of the front portion of the entire height of the nozzle (1) can be reduced.
- the nozzle base 110 may include an extension part 129 for supporting the connection pipe 50.
- the extension part 129 may extend rearward from the rear end of the nozzle base 110.
- the connecting pipe 50 may include a first connecting pipe 510 connected to an end of the flow path forming unit 150, and a second connecting pipe 520 rotatably connected to the first connecting pipe 510. And, it may include a guide tube 530 for communicating the first connecting pipe 510 and the second connecting pipe 520.
- the first connector 510 may be seated on the extension 129, and the second connector 520 may be connected to an extension tube or a hose of the cleaner.
- a plurality of rollers for smooth movement of the nozzle 1 may be provided below the nozzle base 110.
- first roller 124 and the second roller 126 may be positioned behind the first flow path 112 in the nozzle base 110.
- the first roller 124 and the second roller 126 may be spaced apart in the left and right directions.
- the first flow path 112 is sheared at the front of the nozzle base 110. It can be located as close as possible to the part, so that the area to be cleaned using the nozzle 1 can be increased.
- the distance from the front end of the nozzle base 110 to the first flow path 112 can be minimized, thereby increasing the cleanable area.
- the left and right lengths of the first flow path 112 may be maximized.
- the distance between both ends of the first flow path 112 and both side ends of the nozzle base 110 may be minimized.
- first roller 124 may be located in a space between the first flow path 112 and the first mop 402.
- second roller 126 may be located in a space between the first flow path 112 and the second mop 404.
- the first roller 124 and the second roller 126 may be rotatably connected to the shaft 125, respectively.
- the shaft 125 may be fixed to the lower side of the nozzle base 110 in a state in which the shaft 125 is disposed to extend in the left and right directions.
- the distance between the shaft 125 and the front end of the nozzle base 110 is longer than the distance between the respective mops 402 and 404 (or a rotating plate to be described later) and the front end of the nozzle base 110.
- each of the rotary cleaning parts 40 and 41 is positioned between the shaft 125 of the first roller 124 and the shaft 125 of the second roller 126.
- the rotary cleaning unit 40, 41 can be positioned as close as possible to the first flow path 112, and by the rotary cleaning unit 40, 41 from the bottom surface on which the nozzle 1 is located.
- the area to be cleaned can be increased, so that the floor cleaning performance can be improved.
- the plurality of rollers is not limited, but may support the nozzle 1 three points. That is, the plurality of rollers may further include a third roller 129a provided in the extension part 129 of the nozzle base 110.
- the third roller 129a may be located at the rear of the mop 402, 404 to prevent interference with the mop 402, 404.
- the nozzle body 10 may further include a water tank 200 to supply water to the mops 402 and 404.
- the water tank 200 may be detachably connected to the nozzle housing 100. In the state in which the water tank 200 is mounted on the nozzle housing 100, water of the water tank 200 may be supplied to the respective mops 402 and 404.
- the nozzle body 10 may further include an operation unit 300 operated to separate the nozzle body 10 while the water tank 200 is mounted to the nozzle housing 100.
- the operation unit 300 may be disposed to move up and down in the nozzle housing 100.
- the first coupling unit 310 may move under the manipulation force of the manipulation unit 300 at the lower side of the manipulation unit 300.
- the first coupling part 310 may move in the front-rear direction.
- each of the manipulation unit 300 and the first coupling portion 310 may include an inclined surface in contact with each other.
- the first coupling unit 310 may move horizontally (for example, forward and backward direction).
- the first coupling part 310 includes a hook 312 to be coupled to the second coupling part 254, and the second coupling part 254 is a groove 256 into which the hook 312 is inserted. ) May be included.
- the first coupling part 310 may be elastically supported by the elastic member 314 so that the state in which the first coupling part 310 is coupled to the second coupling part 254 is maintained.
- the hook 312 when the hook 312 is inserted into the groove 256 by the elastic member 314, and when the operation unit 300 is pressed downward, the hook 312 is the groove 256. Will fall out of When the hook 312 is removed from the groove 256, the water tank 200 may be separated from the nozzle housing 100.
- the operation unit 300 may be positioned above the second flow passage 114 as an example.
- the manipulation unit 300 may be disposed to overlap the center line A2 of the second flow passage 114 in the vertical direction.
- the nozzle body 10 may further include an adjusting unit 180 for adjusting the amount of water discharged from the water tank 200.
- the adjusting unit 180 may be located at the rear side of the nozzle body 10.
- the control unit 180 may be manipulated by a user, and the control unit 180 may allow the water to be discharged from the water tank 200 or to prevent the water from being discharged.
- the amount of water discharged from the water tank 200 may be adjusted by the controller 180. For example, as the control unit 180 is operated, water is discharged from the water tank 200 by a first amount per unit time, or water is discharged by a second amount more than the first amount per unit time. You can do that.
- the adjusting unit 180 may be provided to pivot in the left and right directions on the nozzle body 10 or may be provided to pivot in the vertical direction.
- the water discharge rate is 0, and the left side of the control unit 180 is pushed so that the control unit 180 pivots to the left side.
- water may be discharged from the water tank 200 by a first amount per unit time.
- control unit 180 When the control unit 180 is pivoted to the right by pushing the right side of the control unit 180, water may be discharged by the second amount per unit time from the water tank 200.
- a configuration for detecting the manipulation of the adjusting unit 180 will be described later with reference to the drawings.
- FIGS. 6 and 7 are exploded perspective views of a nozzle according to an embodiment of the present invention
- Figures 8 and 9 are perspective views of a water tank according to an embodiment of the present invention.
- the nozzle body 10 may further include a plurality of driving devices 170 and 171 for individually driving the rotary cleaning parts 40 and 41. .
- the plurality of driving devices 170 and 171 may include a first driving device 170 for driving the first rotary cleaning unit 40 and a second driving device 171 for driving the second rotary cleaning unit 41. It may include.
- each of the driving devices 170 and 171 operates individually, even if some of the plurality of driving devices 170 and 171 fail, some of the other driving devices may rotate the rotary cleaning unit.
- the first driving device 170 and the second driving device 171 may be spaced apart from each other in the left and right directions in the nozzle body 10.
- Each of the driving devices 70 and 171 may be located at the rear of the first flow path 112.
- the second flow path 114 may be located between the first driving device 170 and the second driving device 171. Therefore, even if the plurality of driving devices 170 and 171 are provided, the second flow passage 114 is not affected, and thus the length of the second flow passage 114 may be minimized.
- the weight is uniformly left and right at the nozzle 1. Since it is dispensed, the center of gravity can be prevented from biasing to either side of the nozzle 1.
- the plurality of driving devices 170 and 171 may be disposed in the nozzle body 10.
- the plurality of driving devices 170 and 171 may be seated on an upper side of the nozzle base 110 and may be covered by the nozzle cover 130. That is, the plurality of driving devices 170 and 171 may be located between the nozzle base 110 and the nozzle cover 130.
- Each of the rotary cleaning units 40 and 41 may further include rotating plates 420 and 440 which are rotated by receiving power from the driving devices 170 and 171.
- the rotating plates 420 and 440 are connected to the first driving device 170 and the first rotating plate 420 to which the first mop 402 is attached, and are connected to the second driving device 171. It may include a second rotating plate 440 to which the second mop 404 is attached.
- the rotating plates 420 and 440 may be formed in a disc shape, and the rags 402 and 404 may be attached to a lower surface thereof.
- the rotating plates 420 and 440 may be connected to the respective driving devices 170 and 171 at the lower side of the nozzle base 110. That is, the rotating plates 420 and 440 may be connected to the driving devices 170 and 171 on the outside of the nozzle housing 100.
- the water tank 200 may be mounted above the nozzle housing 100.
- the water tank 200 may be seated on an upper side of the nozzle cover 130.
- the water tank 200 may form a part of the exterior of the nozzle body 10 in a state in which the water tank 200 is seated on the upper side of the nozzle cover 130.
- the water tank 200 may form a part of the outer surface of the nozzle body 10.
- the water tank 200 may include a first body 210 and a second body 250 coupled to the first body 210 to define a chamber in which water is stored together with the first body 210. It may include.
- the chamber includes a first chamber 222 located above the first drive device 170, a second chamber 224 located above the second drive device 171, and the first chamber.
- 222 may include a connection chamber 226 communicating with the second chamber 224 and positioned above the second flow passage 114.
- the volume of the connection chamber 226 is increased in the first chamber 222 so that the amount of water stored while increasing the height of the nozzle 1 is minimized by the water tank 200. And smaller than the volume of the second chamber 224.
- the water tank 200 may be formed such that the front height is low and the rear height is high.
- the connection chamber 226 may connect the first chamber 222 and the second chamber 224 which are disposed at both sides of the front portion of the water tank 200. That is, the connection chamber 226 may be located at the front part of the water tank 200.
- the water tank 200 includes a first inlet 211 for injecting water into the first chamber 222 and a second inlet 212 for injecting water into the second chamber 224. can do.
- the first inlet 211 may be covered by the first inlet cover 240, and the second inlet 212 may be covered by the second inlet cover 242.
- each of the inlet covers 242 and 240 may be formed of a rubber material.
- Each of the inlets 211 and 212 may be formed in the first body 210 as an example.
- the height of both side surfaces of the first body 210 may be the lowest of the front end portion and higher toward the rear side.
- the inlets 211 and 212 may be located closer to the rear end than the front end of the first body 210.
- the first body 210 may include a first slot 218 for preventing interference with the manipulation unit 300 and the coupling units 310 and 254.
- the first slot 218 may be formed to have a central rear end of the first body 210 recessed toward the front.
- the second body 230 may include a second slot 252 for preventing interference with the manipulation unit 300.
- the second slot 252 may be formed in a shape in which a central rear end of the second body 230 is recessed toward the front.
- the second body 230 may further include a slot cover 253 covering a part of the first slot 218 of the first body 210 in a state in which it is coupled with the first body 210. . That is, the front and rear lengths of the second slots 252 are shorter than the front and rear lengths of the first slots 218.
- the second coupling part 254 may extend downward from the slot cover 253. Therefore, the second coupling part 254 may be located in a space formed by the first slot 218.
- the water tank 200 may include a coupling rib 235 for engaging with the nozzle cover 130 before the second coupling part 254 of the water tank 200 is coupled with the first coupling part 310. 236 may be further included.
- the coupling ribs 235 and 236 may include the water tank 200 at the nozzle cover 130 before the second coupling portion 254 of the water tank 200 is engaged with the first coupling portion 310. It also serves to guide the location of the combination.
- a plurality of coupling ribs 235 and 236 may protrude from the first body 110 and may be spaced apart in the horizontal direction.
- the plurality of coupling ribs 235 and 236 may protrude forward from the front surface of the first body 110 and may be spaced apart in left and right directions.
- a part of the nozzle body 10 may be partially connected to both sides of the second flow path 114 by the driving devices 170 and 171. It can protrude upward from.
- the water tank 200 may form a pair of receiving spaces 232 and 233 to prevent interference with the protruding portion of the nozzle body 10.
- the pair of accommodating spaces 232 and 233 may be formed, for example, as a portion of the first body 210 is recessed upward.
- the pair of accommodation spaces 232 and 233 may be divided left and right by the first slot 218.
- the water tank 200 may further include an outlet 216 for discharging water.
- the outlet 216 may be formed on a bottom surface of the first body 210.
- the outlet 216 may be opened and closed by the valve 230.
- the valve 230 may be disposed in the water tank 200.
- the outlet 216 may be located below any one of the first chamber 222 and the second chamber 224. That is, the water tank 200 may include a single outlet 216.
- the reason why the water tank 200 has a single outlet 216 is to reduce the number of parts that may become water leakage.
- the subboom since there are components (control boards, drive motors, etc.) that operate by being supplied with power in the nozzle 1, the subboom should be completely blocked from contact with water. In order to block the contact between the component and the water, the water leakage from the water discharge part of the water tank 200 should be basically blocked.
- the number of valves 230 for opening and closing the outlet 216 also increases. This means not only that the number of parts is increased, but also that the volume of the chamber for water storage in the water tank 200 is reduced by the valve 230.
- the outlet 216 is located close to the front end portion of the first body 210 so that water in the water tank 200 can be smoothly discharged. Can be.
- FIG. 10 is a perspective view of the nozzle cover according to an embodiment of the present invention, viewed from above
- FIG. 11 is a perspective view of the nozzle cover according to an embodiment of the present invention, viewed from below.
- the nozzle cover 130 may include driving part covers 132 and 134 covering upper sides of the driving devices 170 and 171.
- Each of the driving unit covers 132 and 134 protrudes upward from the nozzle cover 130.
- Each of the driving unit covers 132 and 134 may surround an upper side of the driving units 170 and 171 without interfering with each of the driving units 170 and 171 installed in the nozzle base 110.
- each of the driving unit covers 132 and 134 is accommodated in the accommodation spaces 232 and 233, thereby preventing interference between components. .
- first chamber 222 and the second chamber 224 in the water tank 200 may be arranged to surround the circumference of each of the drive cover (132, 134).
- volumes of the first chamber 222 and the second chamber 224 may be increased.
- the first body 210 of the water tank 200 may be seated in a portion lower than the driving unit covers 132 and 134 in the nozzle cover 130.
- At least a portion of the bottom of the water tank 200 may be located lower than the axis A3, A4 of the drive motor to be described later.
- the bottoms of the first chamber 122 and the second chamber 124 may be positioned lower than the axes A3 and A4 of the driving motor to be described later.
- the nozzle cover 130 may further include a flow path cover 136 covering the flow path forming unit 150.
- the flow path cover 136 may be located between the driving part covers 132 and 134, and may be disposed at a position corresponding to the first slot 218 of the water tank 200.
- the flow path cover 136 may support the operation unit 300.
- the operation unit 300 may include a coupling hook 302 to be coupled to the flow path cover 136.
- the operation unit 300 may be coupled to the flow path cover 136 on the upper side of the flow path cover 136.
- the operation part 300 may be prevented from being separated above the flow path cover 136 while the coupling hook 302 is coupled to the flow path cover 136.
- an opening 136a through which the second coupling part 154 may be inserted may be formed in the flow path cover 136.
- the first coupling part 310 may be coupled to the second coupling part 254 while the second coupling part 254 of the water tank 200 is inserted into the opening 136a.
- the flow path cover 136 may be located in the first slot 218 of the first body 210 and the second slot 252 of the second body 250.
- a portion of the water tank 200 may be located at both sides of the flow path cover 136. Accordingly, the capacity of the water tank 200 may be increased while preventing the water tank 200 from interfering with the second flow passage 114.
- the highest point of the water tank 200 may be positioned equal to or lower than the highest point of the flow path cover 136 so that the height increase by the water tank 200 is prevented.
- the whole of the water tank 200 and the nozzle housing 100 It may be arranged to overlap in the vertical direction. That is, the water tank 200 does not protrude in the left and right and front and rear directions of the nozzle housing 100.
- the nozzle cover 130 may further include rib insertion holes 141 and 142 into which coupling ribs 235 and 236 provided in the water tank 200 are inserted.
- the water tank 200 is moved downward from the center portion of the water tank 200 while the coupling ribs 235 and 236 are inserted into the rib insertion holes 141 and 142 to the first coupling portion 310.
- the two coupling parts 254 may be coupled.
- the nozzle cover 130 may operate the valve 230 in the water tank 200, and a valve operation unit 144 capable of flowing water may be coupled to the nozzle cover 130.
- the valve operation unit 144 may be coupled to a lower side of the nozzle cover 130, and a portion thereof may protrude upward through the nozzle cover 130.
- valve operation unit 144 will be described later.
- the nozzle cover 130 may be provided with a sealer 143 for preventing the water discharged from the water tank 200 from leaking around the valve operation unit 144.
- the nozzle cover 130 may be provided with a water pump 270 for controlling the discharge of water from the water tank 200.
- the water pump 270 may be connected to the pump motor 280.
- a pump installation rib 146 for installing the water pump 270 may be provided below the nozzle cover 130.
- the water pump 270 is a pump that operates to communicate the inlet and the outlet by expanding or contracting while the valve body therein operates, and thus, a detailed description thereof will be omitted.
- the valve body in the water pump 270 may be driven by the pump motor 280. Therefore, according to the present embodiment, the water of the water tank 200 may be supplied to the rotary cleaning parts 40 and 41 continuously and stably while the pump motor 280 is operating.
- the operation of the pump motor 280 may be adjusted by operating the control unit 180 described above. For example, on / off of the pump motor 280 may be selected by the control unit 180.
- the output (or rotational speed) of the pump motor 280 may be adjusted by the controller 180.
- the nozzle cover 130 may be provided with a support 290 for movably supporting the adjuster 180, and the adjuster 180 may be connected to a variable resistor 292 or one or more switches. As the variable resistor 292 moves, a signal for controlling the pump motor 280 changes based on a change in resistance, or a signal for controlling the pump motor 280 by a switching signal of one or more switches. May vary.
- the nozzle cover 130 may further include one or more fastening bosses 148 to be coupled to the nozzle base 110.
- the nozzle cover 130 may be provided with a spray nozzle 149 for spraying water to the rotary cleaning unit (40, 41) to be described later.
- a pair of spray nozzles 149 may be installed on the nozzle cover 130 in a state in which the pair of spray nozzles 149 are spaced from side to side.
- the nozzle cover 130 may be provided with a nozzle installation boss 149c for installing the injection nozzle 149.
- the injection nozzle 149 may be fastened to the nozzle installation boss 149c by a screw.
- the injection nozzle 149 may include a connecting portion 149a for connecting a branch pipe to be described later.
- FIG. 12 is a view showing a state in which a flow path forming unit is coupled to a nozzle base according to an embodiment of the present invention
- FIG. 13 is a view of the nozzle base according to an embodiment of the present invention as viewed from below.
- the nozzle base 110 passes through a transmission shaft (to be described later) connected to each of the rotating plates 420 and 440 in the driving devices 170 and 171. It may include a pair of shaft through-holes (116, 118) for.
- a seating groove 116a is formed in the nozzle base 110 to seat a sleeve (to be described later) provided in the driving devices 170 and 171, and the shaft through hole is formed in the seating groove 116a.
- 116, 118 may be formed.
- the seating groove 116a may be formed in a circular shape, for example, and may be formed by being recessed downward from the nozzle base 110.
- the shaft through holes 116 and 118 may be formed at the bottom of the seating groove 116a.
- the sleeves (to be described later) provided in the driving devices 170 and 171 are seated in the seating grooves 116a to be seated, in the movement process of the nozzle 1 or during the operation of the driving devices 170 and 171. Horizontal movement of the driving devices 170 and 171 may be limited.
- the shaft through holes 116 and 118 may be disposed at both sides of the flow path forming unit 150 while the flow path forming unit 150 is coupled to the nozzle base 110.
- the nozzle base 110 may be provided with a substrate mounting unit 120 on which a control board 115 for controlling each of the driving devices 170 and 171 is installed.
- the control board 115 is placed in a horizontal state while the control board 115 is installed in the board mounting unit 120. In addition, the control board 115 is installed in a state spaced apart from the bottom of the nozzle base 110.
- the nozzle base 110 may be provided with a support protrusion 120a for supporting the control substrate 116 spaced apart from the floor.
- the substrate mounting unit 120 may be located at one side of the flow path forming unit 150 in the nozzle base 110.
- the control board 115 may be disposed at a position adjacent to the control unit 180.
- control board 115 may be located on the opposite side of the valve operation unit 144 with respect to the second flow path 114. This is to prevent water from flowing to the control board 115 even if a leak occurs in the valve operation unit 144.
- the nozzle base 110 supports a support rib 122 for supporting the lower side of each of the driving devices 170 and 171 and a fastening boss 117 and 117a for fastening with the driving devices 170 and 171. It may further include.
- the support ribs 122 protrude from the nozzle base 110 and are bent one or more times to separate the driving devices 170 and 171 from the bottom of the nozzle base 110.
- the plurality of spaced support ribs 122 may protrude from the nozzle base 110 to space the driving devices 170 and 171 from the bottom of the nozzle base 110.
- the driving devices 170 and 171 are spaced apart from the bottom of the nozzle base 110 by the support ribs 122 so that the water is driven by the driving device 170. 171) flowing side can be minimized.
- the nozzle base 110 may further include a nozzle hole 119 through which the respective injection nozzles 149 pass.
- a portion of the spray nozzle 149 coupled to the nozzle cover 130 may pass through the nozzle hole 119 when the nozzle cover 130 is coupled to the nozzle base 110.
- the nozzle base 110 may include a avoidance hole 121a for preventing interference with the structures of the driving devices 170 and 171, and a fastening boss 121 for fastening with the flow path forming unit 150. It may further include.
- the support rib 122 may prevent the flow of water into the avoidance hole 121a to minimize the flow of the driving device 121a. ) May be located around. For example, it may be located in the avoidance hole 121a in an area formed by the support rib 122.
- FIG. 14 is a diagram illustrating a plurality of switches installed in a control board according to an embodiment of the present invention.
- the nozzle base 110 is provided with the control substrate 115 as described above.
- a plurality of switches 128a and 128b may be installed on the upper surface of the control board 115 to detect manipulation of the adjusting unit 180.
- the plurality of switches 128a and 128b may be installed to be spaced apart in the left and right directions.
- the plurality of switches 128a and 128b may include a first switch 128a for detecting a first position of the controller 180 and a second switch 128b for detecting a second position of the controller 180. ) May be included.
- the adjuster 180 when the adjuster 180 is pivoted to the left to move to the first position, the adjuster 180 presses the contact point of the first switch 128a and the first switch 128a is turned on. .
- the pump motor 280 may operate at a first output to discharge water from the water tank 200 by a first amount per unit time.
- the adjuster 180 When the adjuster 180 is pivoted to the right to move to the second position, the adjuster 180 presses the contact point of the second switch 128b so that the second switch 128b is turned on.
- the pump motor 280 may be operated at a second output larger than the first output so that water may be discharged by the second amount per unit time from the water tank 200.
- the adjusting unit 180 presses the contact point of the first switch 128a and the second switch 128b.
- the pump motor 280 is stopped.
- FIG. 15 is a view of the first and second driving devices according to an embodiment of the present invention from below
- FIG. 16 is a view of the first and second driving devices according to an embodiment of the present invention from an upper side thereof.
- FIG. 17 is a view illustrating a structure for preventing rotation of a motor housing and a driving motor
- FIG. 18 is a view illustrating a state in which a power transmission unit is coupled to a driving motor according to an embodiment of the present invention.
- the first driving device 170 and the second driving device 171 may be formed in a symmetrical shape.
- the first driving device 170 may include a first driving motor 182, and the second driving device 171 may include a second driving motor 184.
- Motor PCs 350 for driving the motors may be connected to the driving motors 182 and 184.
- the motor PC 350 may be connected to the driving motors 182 and 184 as an example.
- the motor PC 350 may be provided with the pair of resistors 352 and 354 for improving the EMI (Electro Magnetic Interference) performance of the driving motor.
- One of the pair of resistors 352 and 354 is connected to the positive terminal of the drive motor, and the other is connected to the negative terminal of the drive motor, thereby preventing fluctuations in the output of the drive motor.
- the pair of resistors 352 and 354 may be spaced apart from left and right in the motor PC 350.
- Each of the driving devices 170 and 171 may include a motor housing.
- the driving motors 182 and 184 and a power transmission unit for transmitting power may be accommodated in the motor housing.
- the motor housing may include, for example, a first housing 172 and a second housing 173 coupled to an upper side of the first housing 172.
- the axes of the driving motors 182 and 184 may extend in the horizontal direction.
- the first housing 172 may be formed with a shaft hole 175 through which the transmission shaft 190 to be coupled to each of the rotating plate (420, 440) of the power transmission unit.
- a portion of the transmission shaft 190 may protrude downward through the lower side of the motor housing.
- a horizontal cross section of the transmission shaft 190 may be formed in a non-circular shape so that relative rotation is prevented in a state in which the transmission shaft 190 is coupled to the rotating plates 420 and 440.
- a sleeve 174 may be provided around the shaft hole 175 in the first and second housings 172 and 173.
- the sleeve 174 may protrude from the bottom surfaces of the first and second housings 172 and 173.
- the sleeve 174 may be formed in a ring shape.
- the sleeve 174 may be seated in the seating groove 116 of a circular shape.
- the driving motors 182 and 184 may be seated in the first housing 172, and may be fixed to the first housing 172 by the motor fixing unit 183 in this state.
- the driving motors 182 and 184 may be formed in a cylindrical shape, and the axis of the driving motors 182 and 184 is horizontal (the driving motors 182 in a state where the driving motors 182 and 184 are laid down). , 184 may be seated on the first housing 172.
- the motor fixing part 183 may be formed in a semicircular cross section to cover a part of the driving motors 182 and 184 seated on the first housing 172.
- the motor fixing part 183 may be fixed to the first housing 172 by a fastening member such as a screw.
- the second housing 173 may include a motor cover 173a covering a portion of the driving motors 182 and 184.
- the motor cover 173a may be formed in a rounded shape so as to surround the motor fixing part 183 at the outside of the motor fixing part 183.
- the motor cover 173a may be formed to be rounded so that a portion of the second housing 173 is convex upward.
- the motor cover 173a faces the motor fixing part 183.
- the anti-rotation ribs 173a and 173b may be formed on a surface thereof, and the rib fixing slot 183a may be formed in the motor fixing part 183 to accommodate the anti-rotation ribs 173a and 173b.
- the width of the anti-rotation ribs 173a and 173b and the width of the rib receiving slot 183a may be the same.
- the maximum widths of the plurality of anti-rotation ribs 173a and 173b may be formed to be the same as or smaller than the width of the rib receiving slot 183a.
- the power transmission unit includes a driving gear 185 connected to the shafts of the driving motors 182 and 184, and a plurality of transmission gears 186, 187, 188, and 189 transmitting the rotational force of the driving gear 185. It may include.
- the axes A3 and A4 of the drive motors 182 and 184 extend in the horizontal direction, while the rotation center lines of the rotating plates 420 and 440 extend in the vertical direction. Therefore, the driving gear 185 may be, for example, a spiral bevel gear.
- the plurality of transmission gears 186, 187, 188, and 189 may include a first transmission gear 186 that meshes with the drive gear 185.
- the first transmission gear 186 may have a rotation center extending in the vertical direction.
- the first transmission gear 186 may include a spiral bevel gear so that the first transmission gear 186 may engage the drive gear 185.
- first transmission gear 186 may further include a helical gear located below the spiral bevel gear as a second gear.
- the plurality of transmission gears 186, 187, 188, and 189 may further include a second transmission gear 187 that meshes with the first transmission gear 186.
- the second transmission gear 187 may be a two-stage helical gear. That is, the second transmission gear may include two helical gears arranged up and down, and an upper helical gear may be connected to the helical gear of the second transmission gear 187.
- the plurality of transmission gears 186, 187, 188, and 189 may further include a third transmission gear 188 engaged with the second transmission gear 187.
- the third transmission gear 188 may also be a two-stage helical gear. That is, the third transmission gear may include two helical gears arranged up and down, and an upper helical gear may be connected to a lower helical gear of the second transmission gear 187.
- the plurality of transmission gears 186, 187, 188, and 189 may further include a fourth transmission gear 189 engaged with the lower helical gear of the third transmission gear 188.
- the fourth transmission gear 189 is a helical gear.
- the transmission shaft 190 may be coupled to the fourth transmission gear 189.
- the transmission shaft 190 may be coupled to penetrate the fourth transmission gear 189.
- An upper bearing 191 is coupled to an upper end of the transmission shaft 190 penetrating the fourth transmission gear 189, and a lower bearing on the transmission shaft 190 at the lower side of the fourth transmission gear 189. 191a is coupled.
- the transmission shaft 190 may rotate together with the fourth transmission gear 189.
- 19 is a view illustrating a state in which a power transmission unit is coupled to a drive motor according to another embodiment of the present invention.
- This embodiment is the same as the previous embodiment in other parts, but there is a difference in the power transmission unit.
- the power transmission unit of the present embodiment may include a driving gear 610 connected to shafts of the driving motors 182 and 184.
- the drive gear 610 may be a worm gear.
- the rotation axis of the drive gear 610 may extend in the horizontal direction.
- a bearing 640 may be connected to the driving gear 610.
- the first housing 600 supporting the drive motors 184 and 184 includes a motor support part 602 supporting the drive motors 182 and 184 and a bearing support part 604 supporting the bearing 640. can do.
- the power transmission unit may further include a plurality of transmission gears 620, 624, and 628 for transmitting the driving gear 610 and the rotational force to the rotating plates 420 and 440.
- the plurality of transmission gears 620, 624, and 628 may further include a first transmission gear 620 engaged with the driving gear 610.
- the first transmission gear 620 may include an upper worm gear to mesh with the drive gear 610.
- the driving gear 610 and the second transmission gear 620 mesh with each other in the form of a worm gear, so that the rotational force of the driving gear 610 is transmitted to the second transmission gear 620 by friction. It has the advantage of reducing noise.
- the first transmission gear 620 may include a helical gear positioned below the upper worm gear as a second gear.
- the first transmission gear 620 may be rotatably connected to the first shaft 622 extending in the vertical direction.
- the first shaft 622 may be fixed to the first housing 600.
- the first transmission gear 620 may rotate about the fixed first shaft 622. According to this embodiment, since the first transmission gear 620 is configured to rotate relative to the first shaft 622, there is an advantage that the bearing is unnecessary.
- the plurality of transmission gears 620, 624, and 628 may further include a second transmission gear 624 engaged with the first transmission gear 620.
- the second transmission gear 624 is an example helical gear.
- the second transmission gear 624 may be rotatably connected to the second shaft 626 extending in the vertical direction.
- the second shaft 626 may be fixed to the first housing 600.
- the second transmission gear 624 can rotate about the fixed second shaft 626. According to this embodiment, since the second transmission gear 624 is configured to rotate with respect to the second shaft 626, the bearing is unnecessary.
- the plurality of transmission gears 620, 624, 628 may further include a third transmission gear 628 meshing with the second transmission gear 624.
- the third transmission gear 628 is, for example, a helical gear.
- the third transmission gear 628 may be connected to the transmission shaft 630 connected to the rotating plate (420, 440).
- the transmission shaft 630 may be connected to the third transmission gear 628 and rotate together with the third transmission gear 628.
- a bearing 632 may be coupled to the transmission shaft 630 for smooth rotation of the transmission shaft 630.
- FIG. 20 is a plan view illustrating a state in which a driving device is installed in a nozzle base according to an embodiment of the present invention
- FIG. 21 is a front view illustrating a state in which a driving device is installed in a nozzle base according to an embodiment of the present invention.
- each of the driving devices 170 and 171 may be disposed to be spaced apart from left and right on the nozzle base 110.
- a center line A2 of the second flow path 114 may be located between the first driving device 170 and the second driving device 171.
- the axis A3 of the first drive motor 182 and the axis A4 of the second drive motor 184 may extend in the front-rear direction.
- the axis A3 of the first drive motor 182 and the axis A4 of the second drive motor 184 may be arranged to be parallel or have a predetermined angle.
- the imaginary line A5 connecting the axis A3 of the first drive motor 182 and the axis A4 of the second drive motor 184 may pass through the second flow path 114. Can be. This is because each of the drive motors 182 and 184 is located close to the rear side of the nozzle 1, so that the height increase of the nozzle 1 by the respective drive motors 182 and 184 can be prevented. have.
- the drive gear in a state in which the drive gear 185 is connected to the shafts of the drive motors 182 and 184 so that the height of the nozzle 1 is minimized by the drive devices 170 and 171.
- 185 may be located between the driving motors 182 and 184 and the first flow path 112.
- the drive motors 182 and 184 having the longest vertical length among the drive devices 170 and 171 are located close to the rear side in the nozzle body 10, the height of the front end side of the nozzle 1 is high. May be minimized.
- the driving devices 170 and 171 are located close to the rear side of the nozzle 1, and since the water tank 200 is located above the driving devices 170 and 171, the inside of the water tank 200 is located. Due to the water and the weight of the driving devices 170 and 171, the center of gravity of the nozzle 1 may be directed toward the rear of the nozzle 1.
- connection chamber (see 226 of FIG. 6) of the water tank 200 is based on the front and rear directions of the nozzle 1, and the first flow path 112 and the driving device 170, 171 may be located between.
- the rotation centers C1 and C2 of the rotation plates 420 and 440 coincide with the rotation centers of the transmission shaft 190.
- Axis A3 and A4 of the driving motors 182 and 184 may be located in an area between the rotation centers C1 and C2 of the rotating plates 420 and 440.
- each of the driving motors 182 and 184 may be located in an area between the rotation centers C1 and C2 of the rotating plates 420 and 440.
- each of the driving motors 182 and 184 may be disposed to overlap an imaginary line connecting the first rotation center C1 and the second rotation center C2 in the vertical direction.
- FIG. 22 is a view of the rotating plate according to an embodiment of the present invention from above
- FIG. 23 is a view of the rotating plate according to an embodiment of the present invention from below.
- each of the rotating plates 420 and 440 may be provided with a shaft coupling part 421 for coupling the transmission shaft 190 to a central portion thereof.
- the transmission shaft 190 may be inserted into the shaft coupling portion 421.
- the shaft coupling portion 421 may be formed with a shaft receiving groove 422 for inserting the transmission shaft 190.
- the rotating plates 420 and 440 may include a plurality of water passage holes 424 disposed radially outward from the shaft coupling part 421.
- the rotating plate (420, 440) since the rotating plate (420, 440) is rotated in the state that the mop (402, 404) is attached to the lower side of the rotating plate (420, 440), water passes through the rotating plate (420, 440)
- the plurality of water passage holes 424 may be spaced apart in the circumferential direction with respect to the shaft coupling part 421 so as to be smoothly supplied to the mops 402 and 404.
- the plurality of water passage holes 424 may be partitioned by a plurality of ribs 425.
- each of the ribs 425 may be lower than the upper surfaces 420a of the rotating plates 420 and 440.
- a water blocking rib 426 may be formed on the outer surface 420a of the rotating plates 420 and 440 in the radially outer side of the water passage hole 424.
- the water barrier rib 426 may be continuously formed in the circumferential direction. That is, the plurality of water passage holes 424 may be located in an inner region of the water blocking rib 426.
- the water blocking rib 426 may be formed in a circular ring shape as an example.
- An installation groove 428 may be formed on the bottom surface 420b of the rotating plates 420 and 440 to which the attachment means for attaching the mops 402 and 404 is installed.
- the attachment means may be, for example, a velcro.
- a plurality of installation grooves 428 may be spaced apart in the circumferential direction based on the rotation centers C1 and C2 of the mop plates 420 and 440. Therefore, a plurality of attachment means may be provided on the lower surface 420b of the rotating plates 420 and 440.
- the installation groove 428 may be disposed radially outward from the water passage hole 424 based on the rotation centers C1 and C2 of the mop plates 420 and 440.
- the water passage hole 424 and the installation groove 428 may be sequentially arranged radially outward from the rotation centers C1 and C2 of the mop plates 420 and 440.
- the lower surface 420b of the mop plates 420 and 440 may include contact ribs 430 contacting the mop 402 and 404 while the mop 402 and 404 are attached to the attachment means. .
- the contact rib 430 may protrude downward from the lower surface 420b of the mop plates 420 and 440.
- the contact ribs 430 may be disposed at a radially outer side of the water passage hole 424 and may be continuously formed in the circumferential direction.
- the contact rib 430 may be formed in a circular ring shape.
- the mops 402 and 404 can be modified in their own form as an example of a fiber material, the mops 402 in the state where the mops 402 and 404 are attached to the rotating plates 420 and 440 by the attachment means. , A gap may exist between the 404 and the lower surface 420b of the rotating plates 420 and 440.
- the contact ribs 430 may contact the rags 402 and 404, and the nozzles When 1) is placed on the bottom surface, the contact rib 430 presses the mops 402 and 404 by the load of the nozzle 1.
- the gap between the lower surface 420b of the rotating plate 420 and 440 and the upper surface of the mop 402 and 404 by the contact rib 430 is prevented from passing through the water passage hole 424.
- One water may be smoothly supplied to the mops 402 and 404.
- FIG. 24 is a view showing a water supply flow path for supplying water to a rotary cleaning unit according to an embodiment of the present invention
- Figure 25 is a view showing a valve in the water tank according to an embodiment of the present invention
- FIG. 26 is a view illustrating a state in which a valve is opened at a state in which a water tank is mounted at a nozzle housing.
- Figure 28 is a view showing the arrangement of the spray nozzle in the nozzle body according to an embodiment of the present invention.
- 29 is a conceptual view illustrating a process in which water is supplied to a rotary cleaning unit from a water tank according to an embodiment of the present invention.
- the water supply flow path of the present embodiment includes a first supply pipe 282 connected to the valve operation unit 144, a water pump 270 connected to the first supply pipe 282, and It may include a second supply pipe 284 connected to the water pump 270.
- the water pump 270 may include a first connection port 272 to which the first supply pipe 282 is connected, and a second connection port 274 to which the second supply pipe 284 is connected.
- the first connection port 272 is an inlet and the second connection port 274 is an outlet based on the water pump 270.
- the water supply flow path may further include a connector 285 to which the second supply pipe 284 is connected.
- the connector 285 may be formed in a form in which the first connection portion 285a, the second connection portion 285b, and the third connection portion 285c are arranged in a T shape.
- the second supply pipe 284 may be connected to the first connection portion 285a.
- the water supply flow path may further include a first branch pipe 286 connected to the second connecting portion 285b and a second branch pipe 287 connected to the third connecting portion 285b.
- the water flowing through the first branch pipe 286 may be supplied to the first rotary cleaning unit 40, and may be supplied to the second rotary cleaning unit 41 flowing the second branch pipe 287. .
- the connector 285 may be positioned at the center of the nozzle body 10 so that the lengths of the branch pipes 286 and 287 are the same.
- the connector 285 may be positioned below the flow path cover 136 and above the flow path forming part 150. That is, the connector 285 may be located directly above the second flow passage 114. Thus, substantially the same amount of water can be dispensed from the connector 285 to each of the branch pipes 286 and 287.
- the water pump 270 may be located at a point on the water supply passage.
- the water pump 270 is the first of the valve operation unit 144 and the connector 285 so that the water discharge from the water tank 200 can be controlled using the minimum number of water pumps 270. It may be located between the connecting portion (285a).
- the water pump 270 may be installed in the nozzle cover 130 in a state in which the water pump 270 is located close to the portion where the valve operation unit 144 is installed.
- the valve operation unit 144 and the water pump 270 may be provided at one side of both sides of the nozzle body 10 based on the center line A2 of the second flow passage 114.
- the length of the first supply pipe 282 can be reduced, and accordingly, the length of the water supply passage can be reduced.
- Each branch pipe 286 may be connected to the injection nozzle 149.
- the spray nozzle 149 also forms the water supply passage of the present invention.
- the spray nozzle 149 may include a connection portion 149a to be connected to each branch pipe 186 and 184.
- the spray nozzle 149 may further include a nozzle end 149b.
- the nozzle end 149b extends downward through the nozzle hole 119. That is, the nozzle end 149b is disposed outside the nozzle housing 100.
- a groove 119a recessed upward is formed in the bottom of the nozzle base 110, and the nozzle end 149b may be located in the groove 119a while passing through the nozzle hole 119. That is, the nozzle hole 119 may be formed in the groove 119a.
- the nozzle end 149a may be disposed to face the rotating plates 420 and 440 in the groove 119a.
- water sprayed from the nozzle end 149a may pass through the water passage hole 424 of the rotating plates 420 and 440.
- a line connecting the first rotation center C1 and the center line A1 of the first flow path 112 vertically is called a first connection line A6, and the second rotation center C2 and the first flow path are vertically connected to each other.
- the line connecting vertically the axis A1 of 112 can be referred to as the second connection line A7.
- first connecting line A6 and the second connecting line A7 are positioned in a region between the pair of spray nozzles 149 for supplying water to the rotary cleaning units 40 and 41.
- the injection nozzle 149 may be formed to prevent interference with these components because parts constituting the driving devices 170 and 171 exist in an area between the first connection line A6 and the second connection line A7. This is because
- the horizontal distance between the injection nozzle 149 and the center line A1 of the first flow path 112 is greater than the horizontal distance between the rotation centers C1 and C2 and the center line A1 of the first flow path 112. short.
- the valve 230 may include a movable part 234, an opening and closing part 238, and a fixing part 232.
- the fixing part 232 may be fixed to the fixing rib 217 which protrudes upward from the first body 210.
- An opening 232a through which the movable part 234 penetrates may be formed in the fixing part 232.
- the fixing part 232 restricts the movable part 234 from moving to a predetermined height above the fixing part 232 while being coupled to the fixing rib 217.
- the movable part 234 may move in a vertical direction while a part of the movable part 234 penetrates through the opening 232a. In the state where the movable part 234 is moved upward, water may pass through the opening 232a.
- the movable part 234 may include a first extension part 234a extending downward and coupled to the opening and closing part 238, and a lower extension part 234b extending upward and penetrating the opening 232a. have.
- the movable part 234 may be elastically supported by the elastic member 236.
- the elastic member 263 is, for example, a coil spring, one end of which is supported by the fixing part 232, and the other end of which is supported by the movable part 234.
- the elastic member 236 provides a force to the movable portion 234 to move the movable portion 234 downward.
- the opening and closing part 238 may selectively open the outlet 216 by vertical movement of the movable part 234.
- the diameter of at least a part of the opening and closing portion 238 is larger than the diameter of the outlet 216 so that the opening and closing portion 238 may block the outlet 216.
- the opening and closing portion 238 may be formed of, for example, a rubber material so as to prevent leakage of water in a state in which the opening and closing portion 238 blocks the outlet 216.
- the elastic force of the elastic member 236 may act as the movable portion 234 to maintain a state in which the opening and closing portion 238 blocks the outlet 216.
- the movable unit 234 may be moved by the valve operation unit 144 while the water tank 200 is mounted on the nozzle body 10.
- the valve operation unit 144 is coupled to the nozzle cover 130 under the nozzle cover 130 as described above.
- the nozzle cover 130 may have a water passage hole 145 through which water discharged from the water tank 200 passes.
- the valve operation unit 144 may include a pressing unit 144a passing through the water passage hole 145.
- the pressing unit 144a may protrude upward from the bottom of the nozzle cover 130 in a state of passing through the water passage hole 145 of the nozzle cover 130.
- the valve operation unit 144 may form a water supply passage together with the bottom of the nozzle cover 130.
- a connection pipe 144c for connecting the first supply pipe 282 may be formed at one side of the valve operation unit 144.
- the diameter of the water passage hole 145 may be larger than the outer diameter of the pressing portion 144a so that water flows smoothly in the state where the pressing portion 144a passes through the water passage hole 145.
- the pressurizing portion 144a is introduced into the outlet 216 of the water tank 200.
- the pressing part 144a presses the movable part 234 while the pressing part 144a is drawn into the outlet 216 of the water tank 200.
- the movable part 234 is raised, and the opening and closing part 238 coupled to the movable part 234 is raised together with the movable part 234 to be spaced apart from the outlet 216 to open the outlet 216. .
- the water inside the water tank 200 is discharged through the outlet 216 and flows along the valve operation unit 144 through the water through hole 145 and then connected to the connecting pipe 144c. 1 is supplied to the supply pipe 282.
- Water supplied to the first supply pipe 282 flows into the second supply pipe 282 after being introduced into the water pump 270.
- Water flowing into the second supply pipe 282 flows to the first branch pipe 286 and the second branch pipe 287 by the connector 285.
- the water flowing into the branch pipes 286 and 287 is sprayed from the spray nozzle 149 toward the rotary cleaning parts 40 and 41.
- the water sprayed from the spray nozzle 149 passes through the water passage holes 424 of the rotating plates 420 and 440, and then is supplied to the mops 402 and 404.
- the floor is cleaned while being rotated while absorbing the water supplied to the mops 402 and 404.
- the floor can be cleaned by rotating the rotating plate attached to the mop can improve the floor cleaning performance.
- the water tank is mounted on the nozzle can supply water to the mop, there is an advantage that the convenience of the user is increased.
- the flow path extends in the front-rear direction from the nozzle center portion, and a driving device for rotating the rotary cleaning unit is disposed on both sides of the flow path, the length of the air flow path for flowing air is prevented from increasing. This can prevent the flow path loss from increasing.
- the cleaning may be performed by the other part even if some of the plurality of motors fail.
- the water tank is arranged to surround the drive cover covering the drive device, the amount of water that can be stored in the water tank can be increased while preventing the height of the entire nozzle from being increased.
- 30 is a block diagram schematically illustrating some components of the present invention.
- 31 is a conceptual diagram briefly showing the configuration of the motor and the sensing unit.
- the nozzle of the cleaner according to the present invention may include a first detector 361 and a second drive motor 184 for detecting a rotational speed of the first drive motor 182.
- the rotation speeds of the first and second driving motors 182 and 184 sensed by the second sensing unit 362 and the first and second sensing units 361 and 362 to detect the rotational speed are input, and the first and second driving motors ( It may include a control unit 370 for controlling the rotation speed of the 182, 184.
- first and second detection units 361 and 362 may detect the rotation speed of the first and second drive motors 182 and 184.
- the controller 370 may be integrally formed with the motor PC 350 connected to each of the driving motors 182 and 184 to drive the driving motors 182 and 184.
- controller 370 may be formed separately from the motor PC 350.
- the controller 370 may be provided as a micom.
- the controller 370 may be connected to the motor drive 356 of the motor PC 350 to control the rotation speed (rotation speed) of the driving motors 182 and 184 per unit time.
- the motor drive 356 independently controls the rotation speeds of the drive motors 182 and 184.
- Various embodiments may occur in the first and second detection units 361 and 362 in a range capable of detecting rotation speeds of the driving motors 182 and 184, respectively.
- the first and second detection units 361 and 362 may be provided as encoders of a rotary type.
- the first and second detection units 361 and 362 may be provided as hall sensors.
- the first and second magnets 182a and 184a which can be detected by the hall sensor may be coupled to the rotation shafts of the first and second driving motors 182 and 184.
- the first and second magnets 182a and 184a rotate together with the rotation shafts of the first and second drive motors 182 and 184.
- first and second detection parts 361 and 362 provided as hall sensors are mounted at positions facing the first and second magnets 182a and 184a.
- the first and second sensing units 361 and 362 may count the rotation speeds of the first and second driving motors 182 and 184, and use the same to determine the rotation speeds of the first and second driving motors 182 and 184. It can be measured.
- the controller 370 compares the rotational speeds of the first and second driving motors 182 and 184 sensed by the first and second sensing units 361, and according to a comparison result, the first and second driving motors. Selectively adjust the rotation speed of (182, 184).
- first and second driving motors 182 and 184 When the first and second driving motors 182 and 184 operate, the first rotating plate 420 and the second rotating plate 440 rotate, and a first attached to the first rotating plate 420 and the second rotating plate 440. The mop 402 and the second mop 404 is rotated.
- the nozzle body 10 when the rotation speeds of the first and second driving motors 182 and 184 are different from each other, it may be difficult to straighten the nozzle body 10.
- the nozzle body 10 when the rotational speeds of the first and second driving motors 182 and 184 are different, the nozzle body 10 generates a force to move laterally instead of forward. In particular, a force is generated to move in a relatively slow rotational direction.
- the first drive motor 182 rotates faster than the second drive motor 184
- the first mop 402 rotates faster than the second mop 404
- the driving force of the first mop 402 is zero. It becomes larger than two rags 404.
- the nozzle body 10 is inclined downward in the direction of the second mop 404 when viewed from the upper side, while moving the nozzle body 10 about the direction toward the second mop 404 side. Lose.
- the user in order to move the nozzle body 10 to the front, the user has no choice but to grip the handle (not shown) connected to the upper side of the nozzle body 10 more forcefully, and push the handle (not shown) to the front more forcefully There is no choice but to.
- the nozzle body 10 will move arbitrarily toward one side or the other side of the nozzle body 10 and not forward.
- the present invention after detecting the rotational speed of the first and second drive motors 182 and 184 connected to the first mop 402 and the second mop 404 in real time, and compares the first and second drive motors (The rotational speeds of the first and second driving motors 182 and 184 are controlled to rotate at the same or similar speed.
- the first mop 402 and the second mop 404 disposed on both sides of the nozzle body 10 are rotated at the same or similar speed, and as a result, the nozzle body 10 is randomly oriented While not twisting, the straight running property of the nozzle body 10 may be improved.
- the user can operate the handle connected to the nozzle body without applying a large force, there is an advantage that can improve the operation convenience that the user feels during the cleaning process, and lower the fatigue that the user feels.
- control unit 370 compares the rotational speeds of the first and second driving motors 182 and 184 sensed by the first and second sensing units 361, and, as a result of the comparison, the first and second driving units.
- the difference between the rotational speeds of the motors 182 and 184 is larger than a reference value set by the user, the output of the motor may be controlled such that the rotational speed of the driving motor having the relatively lower rotational speed is increased.
- the controller 370 when the rotation speed of the first driving motor 182 is lower than the rotation speed of the second driving motor 184 and the difference in the rotation speed of the first and second driving motors 182 and 184 is larger than the reference value, the controller 370.
- a motor speed command (PWM DUTY) of the first drive motor 182 to the motor drive 356 connected to the first drive motor 182, it is possible to increase the rotational speed of the first drive motor 182. have.
- the controller 370 when the rotation speed of the second driving motor 184 is lower than the rotation speed of the first driving motor 182 and the difference in the rotation speed of the first and second driving motors 182 and 184 is larger than the reference value, the controller 370.
- a motor speed command (PWM DUTY) of the second drive motor 184 to the motor drive 356 connected to the second drive motor 184, it is possible to increase the rotational speed of the second drive motor 184. have.
- the controller 370 compares the rotational speeds of the first and second driving motors 182 and 184 sensed by the first and second detectors 361 and 361. When the difference between the rotational speeds of the motors 182 and 184 is larger than a reference value set by the user, the output of the driving motor may be controlled so that the rotational speed of the driving motor having a relatively high rotational speed is reduced.
- the controller 370 compares the rotational speeds of the first and second driving motors 182 and 184 sensed by the first and second detectors 361 and 312, and, as a result of the comparison, the first and second drives. When the difference in the rotational speed of the motor is less than or equal to the reference value, the rotational speeds of the first and second driving motors 182 and 184 may be maintained.
- the controller 370 may maintain the rotation speeds of the first and second drive motors 182 and 184 in the current state only when the rotation speeds of the first and second drive motors are the same.
- the rotational speed of the first and second drive motors disposed on both sides of the nozzle body 10 is fed back and synchronized, and as a result, the straight running performance of the nozzle body 10 can be improved. It can improve the operational feeling felt by the use.
- the nozzle of the cleaner detects a change in a moving direction of the nozzle body 10 or a handle (not shown) connected to the nozzle body 10, and the controller 370. It may further include a direction sensor 363 to transmit to.
- the direction detection sensor 363 may be provided as a displacement sensor, an acceleration sensor, an inclination sensor, a gyro sensor, or the like.
- first and second driving motors 182 and 184 operate, the first and second rotating plates 420 and 440 rotate, and the first and second rotating plates 420 and 440 rotate.
- the first mop 402 and the second mop 404 attached thereto are rotated.
- the nozzle body 10 when the rotation speeds of the first and second driving motors 182 and 184 are different from each other, it may be difficult to straighten the nozzle body 10.
- the nozzle body 10 when the rotational speeds of the first and second driving motors 182 and 184 are different, the nozzle body 10 generates a force to move laterally instead of forward. In particular, a force is generated to move in a relatively slow rotational direction.
- the first drive motor 182 rotates faster than the second drive motor 184
- the first mop 402 rotates faster than the second mop 404
- the driving force of the first mop 402 is zero. It becomes larger than two rags 404.
- the nozzle body 10 is inclined downward in the direction of the second mop 404 when viewed from the upper side, while moving the nozzle body 10 about the direction toward the second mop 404 side. Lose.
- the direction detecting sensor 363 detects a change in direction of the nozzle body 10.
- the second mop 404 rotates faster than the first mop 402, the second mop The driving force of 404 is larger than that of the first mop 402.
- the nozzle body 10 is inclined toward the first mop 402 by such an imbalance of the force (driving force).
- the user can easily switch the moving direction of the nozzle body 10 to the left side without applying a large force.
- the user since the friction force between the bottom surface and the mop which is being cleaned is large, and the weight of the nozzle body 10 provided with the water tank is heavy, the user may change the direction of the nozzle body 10. Is forced to put a lot of energy.
- the rotational speed of the first drive motor 182 and the rotational speed of the second drive motor 184 are independently controlled, the direction of movement of the nozzle body 10 can be more easily changed with less force. have.
- the controller 370 when the direction change sensor 363 detects a change of direction to the right side of the nozzle body 10, the controller 370 has a rotational speed of the second driving motor 184 disposed on the right side at the left side.
- the output may be controlled to be smaller than the rotation speed of the arranged first driving motor 182.
- the direction detecting sensor 363 detects a change in direction of the nozzle body 10.
- the control unit 370 may have a second driving motor 184 disposed on the right side (see FIG. 20).
- the output speed of the drive motor is controlled so that the rotational speed of) is smaller than the rotational speed of the first driving motor 182 disposed on the left side (see FIG. 20).
- the first mop 402 rotates faster than the second mop 404, the first mop The running force of 402 becomes larger than the second mop 404. And, by the imbalance of such a force (driving force), the nozzle body 10 is tilted toward the second mop 404 side. In addition, the user can easily switch the moving direction of the nozzle body 10 to the right side without applying a large force. Above all, in the mop cleaning process, since the friction force between the bottom surface and the mop which is being cleaned is large, and the weight of the nozzle body 10 provided with the water tank is heavy, the user may change the direction of the nozzle body 10.
- 32 is a flowchart illustrating a method of controlling a nozzle of a cleaner according to another embodiment of the present invention.
- 33 is a flowchart illustrating a method of controlling a nozzle of a cleaner according to another embodiment of the present invention.
- the first and second driving motors 182 and 184 are turned on (S11) and the first and second sensing units 361 and 362. Detecting the rotational speeds of the first and second driving motors 182 and 184 (S12), and comparing the rotational speeds of the first and the second driving motors 182 and 184 at the control unit 370 (S13) and the comparison. According to the result, a step S14 of selectively adjusting the rotation speed of the first and second driving motors 182 and 184 may be included.
- step S13 as a result of the comparison, if the difference in the rotational speed of the first and second drive motors 182 and 184 is larger than the reference value set by the user, in step S14, the rotation of the drive motor having a relatively low rotational speed
- the controller 370 controls the output of the driving motor to increase the speed.
- steps S12 to S14 may be repeated until the difference in the rotational speeds of the first and second drive motors 182 and 184 is less than or equal to the reference value set by the user. have.
- step S13 as a result of the comparison, if the difference in the rotational speed of the first and second drive motors 182 and 184 is larger than the reference value set by the user, the rotational speed of the drive motor having a relatively high rotational speed in the step S 14
- the controller 370 may control the output of the driving motor so that is reduced. As described above, after the output control of the drive motor is made, steps S12 to S14 may be repeated until the difference in the rotational speeds of the first and second drive motors 182 and 184 is less than or equal to the reference value set by the user. have.
- step S13 as a result of the comparison, if the difference in the rotational speeds of the first and second drive motors 182 and 184 is less than or equal to the reference value set by the user, in step S14, the controller 370 may perform the first step. In addition, the rotation speed of the two driving motors 182 and 184 may be maintained.
- the first and second drive motors (182, 184) is turned on (S21) and the direction detection sensor 363 Detecting a change in the moving direction of the nozzle body 10 at step S22, determining whether the nozzle body 10 is immediately before the step S23, and whether the nozzle body 10 is changed in direction or going straight.
- the step of selectively adjusting the rotational speed of the first, second drive motors (182, 184) (S24).
- step S22 when the change in the direction of movement of the nozzle body 10 by the user is detected, and the direction is detected to the left, in step S23, it is determined that the nozzle body 10 is not straight, and S24 In step, the rotation speed of the first driving motor 182 disposed on the left side (see FIG. 20) becomes smaller than the rotation speed of the second driving motor disposed on the right side (see FIG. 20). You can control the output.
- the controller 370 may control the rotation speed of the first driving motor 182 to be smaller than the rotation speed of the second driving motor 184 by lowering the output of the first driving motor 182.
- controller 370 may control the rotational speed of the first driving motor 182 to be smaller than the rotational speed of the second driving motor 184 by increasing the output of the second driving motor 184. .
- step S22 if the change in the direction of travel of the nozzle body 10 by the user is detected, the direction is detected to the right, in step S23, it is determined that the nozzle body 10 is not going straight, S24 In the step, the control unit 370 such that the rotational speed of the second drive motor 184 disposed on the right side (see FIG. 20) is smaller than the rotational speed of the first drive motor 182 disposed on the left side (see FIG. 20). The output of the motor can be controlled.
- the controller 370 may control the rotational speed of the second driving motor 184 to be smaller than the rotational speed of the first driving motor 182 by lowering the output of the second driving motor 184.
- controller 370 may control the rotational speed of the second driving motor 184 to be smaller than the rotational speed of the first driving motor 182 by increasing the output of the first driving motor 182.
- step S23 when the change in the direction of movement of the nozzle body 10 by the user is not detected in step S22, in step S23, it is determined that the nozzle body 10 is going straight.
- the first and second sensing units 361 and 362 detect rotation speeds of the first and second driving motors 182 and 184, respectively.
- the control unit 370 compares the rotation speeds of the first and second driving motors 182 and 184 (S26). Then, according to the comparison result of the step S26, step (S27) of selectively adjusting the rotational speed of the first, second drive motors (182, 184) is carried out.
- step S27 the rotation of the drive motor having a relatively low rotational speed
- the controller 370 controls the output of the driving motor to increase the speed.
- steps S25 to S27 may be repeated until the difference in the rotational speed of the first and second drive motors 182 and 184 is less than or equal to the reference value set by the user. have.
- step S26 as a result of the comparison, if the difference in the rotational speed of the first and second drive motors 182 and 184 is larger than the reference value set by the user, the rotational speed of the drive motor having a relatively high rotational speed in the step S27
- the controller 370 may control the output of the driving motor so that is reduced. As described above, after the output control of the drive motor is made, steps S25 to S27 may be repeated until the difference in the rotational speed of the first and second drive motors 182 and 184 is less than or equal to the reference value set by the user. have.
- step S26 if the comparison result, the difference in the rotational speed of the first and second drive motors (182, 184) is less than or equal to the reference value set by the user, the control unit 370 in the step S27 is the first In addition, the rotation speed of the two driving motors 182 and 184 may be maintained.
- the user can operate the handle connected to the nozzle body without a large force, there is also an advantage that can improve the operation convenience that the user feels during the cleaning process, and lower the fatigue feeling the user.
- the user can switch the direction of movement of the nozzle body more easily with less force without a large force.
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
Description
Claims (22)
- 공기가 흡입되기 위한 흡입 유로를 구비하는 노즐 본체;상기 노즐 본체의 하측에 좌우 방향으로 이격되어 배열되며, 각각이 걸레가 부착될 수 있는 회전판을 구비하는 제 1 회전 청소부 및 제 2 회전 청소부;상기 흡입 유로 중 전후 방향으로 연장되는 유로의 일측에 배치되며, 상기 제 1 회전 청소부를 구동하기 위한 제1 구동모터를 구비하는 제 1 구동 장치;상기 흡입 유로 중 전후 방향으로 연장되는 유로의 타측에 배치되며, 상기 제 2 회전 청소부를 구동하기 위한 제2 구동모터를 구비하는 제 2 구동 장치;상기 노즐 본체의 상측에 분리 가능하게 장착되며, 상기 각 회전 청소부로 공급하기 위한 물을 저장하는 물 탱크;상기 노즐 본체에 구비되며, 상기 물 탱크와 연통되며 상기 물 탱크의 물을 상기 각 회전 청소부로 공급하기 위한 물 공급 유로;상기 제 1 구동 모터의 회전속도를 감지하는 제 1 감지부;상기 제 2 구동 모터의 회전속도를 감지하는 제 2 감지부; 및상기 제 1,2 감지부에서 감지된 제 1, 2 구동 모터의 회전 속도를 입력 받고, 상기 제 1,2 구동모터의 회전 속도를 제어하는 제어부를 포함하는 것을 특징으로 하는 청소기의 노즐.
- 제 1항에 있어서,상기 제어부는, 상기 제 1 감지부와 제 2 감지부에서 감지된 제 1, 2 구동 모터의 회전 속도를 비교하고, 비교 결과에 따라서, 제 1, 2 구동 모터의 회전속도를 선택적으로 조절하는 것을 특징으로 하는 청소기의 노즐.
- 제 2항에 있어서,상기 제어부는, 제 1, 2 구동 모터의 회전 속도의 차이가 기준치보다 크면,비교적 회전속도가 낮은 구동모터의 회전속도가 증가되게 출력을 제어하는 것을 특징으로 하는 청소기의 노즐.
- 제 2항에 있어서,상기 제어부는, 제 1, 2 구동 모터의 회전 속도의 차이가 기준치보다 크면,비교적 회전속도가 큰 구동모터의 회전속도가 감소되게 출력을 제어하는 것을 특징으로 하는 청소기의 노즐.
- 제 2항에 있어서,상기 제어부는, 제 1, 2 구동 모터의 회전 속도의 차이가 기준치 이하일 경우, 제 1, 2 구동 모터의 회전속도를 유지하는 것을 특징으로 하는 청소기의 노즐.
- 제 1항에 있어서,상기 제 1,2 감지부는 각각,상기 제 1, 2 구동 모터의 회전축에 결합되어 회전하는 제1,2 마그넷; 및상기 제1,2 마그넷과 마주보도록 상기 제어부에 실장되어, 상기 제1,2 마그넷의 회전수를 카운팅하는 제1,2 홀센서로 구성되는 것을 특징으로 하는 청소기의 노즐.
- 제 2항에 있어서,상기 노즐 본체의 진행방향 변화를 감지하여 상기 제어부로 전달하는 방향감지센서를 더 포함하는 것을 특징으로 하는 청소기의 노즐.
- 제 7항에 있어서,상기 방향감지센서에서, 상기 노즐 본체의 좌측으로 방향전환이 감지되면, 상기 제어부는 좌측에 배치된 제 1 구동모터의 회전 속도가 우측에 배치된 제 2 구동모터의 회전속도보다 작아지게 출력을 제어하는 것을 특징으로 하는 청소기의 노즐.
- 제 7항에 있어서,상기 방향감지센서에서, 상기 노즐 본체의 우측으로 방향전환이 감지되면, 상기 제어부는 우측에 배치된 제 2 구동모터의 회전 속도가 좌측에 배치된 제 1 구동모터의 회전속도보다 작아지게 출력을 제어하는 것을 특징으로 하는 청소기의 노즐.
- 제 1 항에 있어서,상기 흡입 유로는 상기 노즐 본체의 전단부에서 좌우 방향으로 연장되는 제 1 유로와,상기 제 1 유로의 중앙부에서 전후 방향으로 연장되는 제 2 유로를 포함하고,상기 제 1 및 제 2 구동 장치는 상기 제 1 유로의 후방에 위치되며,상기 제 1 구동 장치와 상기 제 2 구동 장치 사이에 상기 제 2 유로가 위치되는 청소기의 노즐.
- 제 10항에 있어서,상기 물 탱크는, 상기 제 1 구동 모터의 상방에 위치되는 제 1 챔버와,상기 제 2 구동 모터의 상방에 위치되는 제 2 챔버와,상기 제 1 유로와 상기 각 구동 모터 사이 영역에서 상기 제 1 챔버와 상기 제 2 챔버를 연결하는 연결 챔버를 포함하는 청소기의 노즐.
- 제 1 항에 있어서,상기 제 1 회전 청소부는, 걸레가 부착될 수 있으며, 제 1 회전 중심을 가지는 제 1 회전판을 포함하고,상기 제 2 회전 청소부는, 걸레가 부착될 수 있으며, 제 2 회전 중심을 가지는 제 2 회전판을 포함하며,상기 제 1 회전 중심과 상기 제 2 회전 중심 사이에 상기 제 1 구동 모터의 축선과 상기 제 2 구동 모터의 축선이 위치되는 청소기의 노즐.
- 제 1 항에 있어서,상기 노즐 본체는, 상기 각 구동 장치가 수용되는 노즐 하우징을 포함하고,상기 노즐 하우징은, 상기 각 구동 장치를 커버하며 상방으로 볼록한 구동부 커버를 포함하고,상기 물 탱크가 상기 노즐 본체에 장착된 상태에서 상기 물 탱크의 일부는 상기 구동부 커버의 주변을 감싸는 청소기의 노즐.
- 제 1 항에 있어서,상기 회전판의 하측에 상기 걸레가 부착되며, 상기 회전판에는 상기 물 공급 유로에서 배출된 물이 통과하기 위한 복수의 물 통과홀이 구비되는 청소기의 노즐.
- 제 1 항에 있어서,상기 물 탱크는, 물이 저장되는 챔버와 물이 배출되는 배출구를 구비하는 탱크 바디와,상기 탱크 바디 내에서 상기 배출구를 개폐하는 개폐부를 구비하는 밸브를 포함하고,상기 노즐 본체는 상기 물 탱크가 상기 노즐 본체에 장착되는 과정에서 상기 개폐부를 작동시켜 상기 개폐부가 상기 배출구를 개방시키도록 하는 밸브 조작부를 포함하고,상기 물 공급 유로는 상기 밸브 조작부에 연결되는 청소기의 노즐.
- 제 1 항에 있어서,상기 물 공급 유로는, 상기 물 탱크에서 배출된 물이 유동하는 공급관과,상기 공급관에 연결되는 커넥터와,상기 커넥터에 연결되며, 물을 상기 제 1 회전 청소부로 공급하기 위한 제 1 분지관과,상기 커넥터에 연결되며, 물을 상기 제 2 회전 청소부로 공급하기 위한 제 2 분지관을 포함하는 청소기의 노즐.
- 제1,2 구동모터가 온(on)되는 단계;제1,2 감지부에서 각각 제1,2 구동모터의 회전속도를 감지하는 단계;제어부에서, 제1,2 구동모터의 회전속도를 비교하는 단계;상기 비교 결과에 따라, 제 1, 2 구동 모터의 회전속도를 선택적으로 조절하는 단계를 포함하는 것을 특징으로 하는 청소기의 노즐 제어방법.
- 제 17항에 있어서,상기 비교 결과에서, 제 1, 2 구동 모터의 회전 속도의 차이가 기준치보다 크면,비교적 회전속도가 낮은 구동모터의 회전속도가 증가되게 제어부에서 출력을 제어하는 것을 특징으로 하는 청소기의 노즐 제어방법.
- 제 17항에 있어서,상기 비교 결과에서, 제 1, 2 구동 모터의 회전 속도의 차이가 기준치보다 크면,비교적 회전속도가 큰 구동모터의 회전속도가 감소되게 제어부에서 출력을 제어하는 것을 특징으로 하는 청소기의 노즐 제어방법.
- 제1,2 구동모터가 온(on)되는 단계;방향감지센서에서 노즐 본체의 진행방향 변화를 감지하는 단계;상기 노즐 본체의 방향전환 여부에 따라, 제 1, 2 구동 모터의 회전속도를 선택적으로 조절하는 단계를 포함하는 것을 특징으로 하는 청소기의 노즐 제어방법.
- 제 20항에 있어서,상기 노즐 본체의 좌측으로 방향전환이 감지되면,좌측에 배치된 제 1 구동모터의 회전 속도가 우측에 배치된 제 2 구동모터의 회전속도보다 작아지게 제어부에서 출력을 제어하는 것을 특징으로 하는 청소기의 노즐 제어방법.
- 제 20항에 있어서,상기 노즐 본체의 우측으로 방향전환이 감지되면,우측에 배치된 제 2 구동모터의 회전 속도가 좌측에 배치된 제 1 구동모터의 회전속도보다 작아지게 제어부에서 출력을 제어하는 것을 특징으로 하는 청소기의 노즐 제어방법.
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AU2019313145B2 (en) | 2023-02-02 |
EP3831267A1 (en) | 2021-06-09 |
US20210315433A1 (en) | 2021-10-14 |
CN112533521A (zh) | 2021-03-19 |
CN112533521B (zh) | 2022-11-04 |
EP3831267A4 (en) | 2022-04-27 |
KR20200013505A (ko) | 2020-02-07 |
AU2019313145A1 (en) | 2021-01-28 |
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