CN112423636A - Wet type cleaning equipment - Google Patents

Wet type cleaning equipment Download PDF

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Publication number
CN112423636A
CN112423636A CN201980044791.9A CN201980044791A CN112423636A CN 112423636 A CN112423636 A CN 112423636A CN 201980044791 A CN201980044791 A CN 201980044791A CN 112423636 A CN112423636 A CN 112423636A
Authority
CN
China
Prior art keywords
suction
wet cleaning
cleaning device
wcd
hose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201980044791.9A
Other languages
Chinese (zh)
Inventor
A·R·梅乌伦迪杰科斯
M·A·A·沙尔里格
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fansongni Holdings Ltd
Original Assignee
Koninklijke Philips NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN112423636A publication Critical patent/CN112423636A/en
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning 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
    • A47L11/29—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
    • 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
    • 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0686—Nozzles with cleaning cloths, e.g. using disposal fabrics for covering the nozzle
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/2826—Parameters or conditions being sensed the condition of the floor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/06—Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning

Landscapes

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

Abstract

A Wet Cleaning Device (WCD) comprising: a Mopping Unit (MU) for wet cleaning a surface; and means (ST) for increasing the pressure of the Mopping Unit (MU) against the surface by means of suction. The device comprises a hose at one side of the Mopping Unit (MU), the hose having an opening for applying suction to the surface. Hoses may be present on opposite sides of the Mopping Unit (MU). Alternatively, a hose may be present around the wiper unit (MU). Preferably, the suction power of the device is controllable. Preferably, the suction power can be controlled depending on the detection of stains, the speed of the Wet Cleaning Device (WCD), and/or the type of surface. If the Wet Cleaning Device (WCD) is formed by a sweeping robot vacuum cleaner, the suction for the apparatus (ST) is advantageously part of the suction generated for vacuum cleaning.

Description

Wet type cleaning equipment
Technical Field
The present invention relates to a wet type cleaning apparatus.
Background
Traditionally, hard floor cleaning has been accomplished by first vacuuming the floor and then by mopping the floor. Vacuum sweeping removes coarse dirt, while wiping removes stains. There are more and more appliances on the market today that vacuum sweeping and mopping can be done in one go. Robotic vacuum cleaners also provide a solution for vacuum cleaning and mopping floors. For this purpose, a water tank with a mop is attached towards the (vacuum cleaning) robot.
US2014033468 discloses a floor tool in the context of a vacuum cleaning apparatus, which floor tool has a dual function. Firstly, the floor tool provides a suction cleaning function, and secondly, the floor tool has the ability to carry a cleaning element, preferably in the form of a wiping blade, for wiping the floor surface whilst vacuuming the floor surface. The suction nozzle (nozzle) is configured to float relative to the attachment neck of the floor tool, which provides several benefits. First, the downward force applied to the user via the neck is transmitted directly to the support member, rather than to the suction nozzle, and the downward pressure enhances the cleaning performance of the wiping blade carried on the support member. Secondly, due to the low downward force applied to the suction nozzle, the suction nozzle can walk lightly across the floor surface, which is beneficial to the pick-up performance of the suction nozzle.
US2017367552 discloses a self-moving floor treatment apparatus comprising a machine body base and a water tank. The cleaning cloth is attached to the bottom of the water tank, and the water tank is connected to the bottom surface of the base of the machine body in a floating manner up and down. By mounting the water tank on the base of the machine body in a floating manner so as to leave a certain gap therebetween, the water tank and the cleaning cloth can float up and down within a certain spatial range. Because the force actually acting on the floor is only the gravity of the water tank and the cleaning cloth and does not include the gravity of the machine, compared with a common product, the floor cleaning machine has the advantages that the friction force between the cleaning cloth and the floor is reduced, the phenomenon that the machine slips on the floor with water can be effectively avoided, the floor cleaning efficiency is improved, and the barrier penetrating capacity of the machine and the water tank is improved.
Disclosure of Invention
It is an object of the invention, inter alia, to provide an improved wet cleaning device. The invention is defined by the independent claims. Advantageous embodiments are defined in the dependent claims.
One aspect of the present invention provides a wet type cleaning apparatus, including: a wiping unit for wet cleaning a surface; and means for increasing the pressure of the wiping unit against the surface by means of suction. The device comprises a hose at one side of the wiper unit, the hose having an opening for applying suction to the surface. The hoses may be present on opposite sides of the wiper unit. Alternatively, a hose may be present around the wiper unit. Preferably, the suction power of the device is controllable. Advantageously, the suction power can be controlled depending on the detection of the stain, the speed of the wet cleaning device, and/or the type of surface. If the wet cleaning apparatus is formed by a sweeping robot vacuum cleaner, the suction for the device is advantageously part of the suction generated for vacuum sweeping.
The present invention is based on the recognition that wet cleaning devices like robotic vacuum cleaners are preferably not very heavy so that they can be easily picked up by a user. For mopping surfaces (e.g. floors) it is often necessary to apply a certain pressure to the surface in order to be able to remove hard stains. Here we encounter a contradiction. Wet cleaning apparatuses need to be lightweight for easy handling, but on the other hand wet cleaning apparatuses provide sufficient pressure on the floor to enable the wet cleaning apparatus to properly wipe the surface. To overcome this conflict, it is necessary to provide a method of applying force to a floor without making the wet cleaning apparatus heavy.
One aspect of the present invention will enable a wet cleaning apparatus to add pressure to a floor when mopping, while maintaining a light weight. Embodiments of the present invention provide an under-pressure area around the wiper unit so that the wiper unit will suck itself onto the floor. In an embodiment of the robotic vacuum cleaner, the underpressure may advantageously be created in a tube system around the mop by guiding a part of the airflow of the vacuum cleaner.
These and other aspects of the invention are apparent from and will be elucidated with reference to the embodiment(s) described hereinafter.
Drawings
Figure 1 shows a bottom view of an embodiment of a wet cleaning device according to the present invention; and
fig. 2 shows a cross-section of the embodiment of fig. 1.
Detailed Description
The embodiments of fig. 1 and 2 relate to a wet cleaning device WCD formed by a sweeping robot vacuum cleaner. Typically, the sweeping robot vacuum cleaner has wheels W, a nozzle N with optional rotating brushes B and a wiping unit MU. The mop unit MU has a liquid tank (not shown) and a (replaceable) cleaning cloth. According to the present invention, the suction tool ST is provided at one side of the wiping unit MU. In the illustrated embodiment, the suction tool ST is formed by a hose having a plurality of openings around the wiping unit MU. Alternatively, the hose may have a slit-shaped opening. The hose may be made of rubber or some suitable plastic or other suitable material. The hose may be glued to the wiper unit MU.
As shown in fig. 2, typically for a vacuum cleaner, dirty air from the nozzle N is directed to a dirt separation and collection unit DC, through which an airflow is generated by a fan F. According to an embodiment of the invention, part of the air flow generated by the fan F is used to generate suction for the suction means ST. A valve V is present to control how much air flow is available to the suction tool ST. The valve V may be formed by means of a clamp around the hose: if the hose is compressed by the clamp, the suction available to the suction tool ST is reduced. Advantageously, the amount of suction available to the suction tool ST depends on the detection of soiling (presence of more suction), the speed of the wet cleaning device WCD (speed too low > reduced suction), and/or the type of surface. To control the valve, a processor (present anyway in the robot cleaner) receives data (e.g. from a camera (not shown)) and has software that is able to determine the presence of stains and the type of surface from the camera image. The software may involve artificial intelligence based on a trained neural network. The speed of the wheel may be derived, for example, from the amount of current drawn by the motor that rotates the wheel W: if the current is relatively high, the motor must work harder, so that it makes sense to reduce the suction for the suction tool to reduce the friction.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims. In the above example, a rectangular robotic vacuum cleaner having a rectangular mopping device MU has been shown. Obviously, the wet cleaning device may have different shapes (e.g. circular) and the same is true for the wiping unit MU, which may for example have the shape shown in US 2017367552. In the embodiment shown, the mopping unit MU is surrounded by the suction tool ST, but in other embodiments the suction tool ST is present only on one side or the other of the mopping unit MU. The suction tool ST need not be along one side, i.e. need not have an elongated shape, as long as it causes the wiping unit MU to exert an increased pressure on the surface. The wet cleaning device of the present invention may also be arranged for cleaning (vertical) surfaces, such as windows or walls. The wet type cleaning apparatus of the present invention does not need to have a vacuum cleaner function. And if the wet cleaning apparatus does have vacuum cleaner functionality, it may or may not be possible to use the vacuum cleaner fan F to generate suction to increase the pressure of the mop unit against the surface, a separate low power fan may be used for this purpose, and this may have the advantage that a better control of the mop pressure independent of the cleaning activity may be achieved. Wet cleaning apparatuses with vacuum cleaner functionality can have different modes of operation: (1) vacuum cleaning only; (2) only wet cleaning; and (3) both vacuum cleaning and wet cleaning. In the second mode, the use of a separate pumping unit to generate the underpressure may bring the advantage of consuming less energy. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps other than those listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several distinct elements. In the device claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The measures listed in mutually different dependent claims may advantageously be used in combination.

Claims (8)

1. A Wet Cleaning Device (WCD), comprising:
a Mopping Unit (MU) for wet cleaning a surface; and
-means (ST) for increasing the pressure of the mopping unit against the surface by means of suction, wherein the means (ST) comprise a hose at one side of the Mopping Unit (MU), the hose having an opening for applying suction to the surface.
2. A Wet Cleaning Device (WCD) according to claim 1, wherein the hoses are present on opposite sides of the wiper unit (MU).
3. A Wet Cleaning Device (WCD) according to claim 1, wherein the hose is present around the wiper unit (MU).
4. Wet Cleaning Device (WCD) according to any of the preceding claims, wherein the suction power of the apparatus (ST) is controllable.
5. A Wet Cleaning Device (WCD) according to claim 4 wherein the suction power can be controlled in dependence on the detection of a stain.
6. A Wet Cleaning Device (WCD) according to claim 4 or 5, wherein the suction power can be controlled in dependence on the speed of the wet cleaning device.
7. A Wet Cleaning Device (WCD) according to claim 4, 5 or 6, wherein the suction power can be controlled depending on the type of the surface.
8. A Wet Cleaning Device (WCD) according to any of the preceding claims, wherein the wet cleaning device is formed by a sweeping robot vacuum cleaner, the suction for the apparatus being part of the suction generated for vacuum cleaning.
CN201980044791.9A 2018-08-07 2019-08-01 Wet type cleaning equipment Pending CN112423636A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18187638.4A EP3607864A1 (en) 2018-08-07 2018-08-07 Wet cleaning device
EP18187638.4 2018-08-07
PCT/EP2019/070805 WO2020030526A1 (en) 2018-08-07 2019-08-01 Wet cleaning device

Publications (1)

Publication Number Publication Date
CN112423636A true CN112423636A (en) 2021-02-26

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Application Number Title Priority Date Filing Date
CN201980044791.9A Pending CN112423636A (en) 2018-08-07 2019-08-01 Wet type cleaning equipment

Country Status (6)

Country Link
US (1) US20210251452A1 (en)
EP (2) EP3607864A1 (en)
KR (1) KR102700204B1 (en)
CN (1) CN112423636A (en)
PL (1) PL3796821T3 (en)
WO (1) WO2020030526A1 (en)

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USD996755S1 (en) * 2022-03-21 2023-08-22 Beijing Roborock Technology Co., Ltd. Water tank for cleaning appliance

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CN203693475U (en) * 2013-11-29 2014-07-09 李红兵 Glass cleaning vehicle
CN203802381U (en) * 2014-03-17 2014-09-03 科沃斯机器人科技(苏州)有限公司 Absorption device and absorption robot provided with absorption device
CN204410743U (en) * 2014-04-17 2015-06-24 廖洪模 Aspirated-air type multifunctional combination mop
EP3335608A1 (en) * 2015-09-17 2018-06-20 Samsung Electronics Co., Ltd. Cleaning robot and controlling method therefor
CN105193341A (en) * 2015-10-09 2015-12-30 深圳市宝乐机器人技术有限公司 Window wiping robot with water tank and self-cleaning function
CN205625792U (en) * 2016-03-14 2016-10-12 江苏美的清洁电器股份有限公司 Window cleaning robot
CN105996886A (en) * 2016-07-12 2016-10-12 江苏美的清洁电器股份有限公司 Window cleaning robot
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CN207590614U (en) * 2017-04-28 2018-07-10 梁旭林 Floor-mopping robot is swept in a kind of supercharging

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Publication number Publication date
EP3607864A1 (en) 2020-02-12
US20210251452A1 (en) 2021-08-19
EP3796821A1 (en) 2021-03-31
KR20210038440A (en) 2021-04-07
EP3796821B1 (en) 2021-12-15
WO2020030526A1 (en) 2020-02-13
KR102700204B1 (en) 2024-08-30
PL3796821T3 (en) 2022-04-11

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Effective date of registration: 20231130

Address after: Holland Ian Deho Finn

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