CN112656320A

Movatterモバイル変換

Info

Publication number: CN112656320A
Application number: CN201911187572.4A
Authority: CN
Inventors: 卞庄
Original assignee: Suzhou Chenghe Cleaning Equipment Co Ltd
Current assignee: Suzhou Chenghe Cleaning Equipment Co Ltd
Priority date: 2019-10-15
Filing date: 2019-11-28
Publication date: 2021-04-16
Also published as: CN112656300A

Abstract

The invention discloses a self-cleaning method of surface cleaning equipment and a wet-type surface cleaning system, wherein the self-cleaning method comprises the following steps: 1. rotating a roller brush of the surface cleaning device in a nursing seat containing cleaning liquid to finish a rinsing procedure of transferring dirt adhered to the roller brush into the liquid; 2. and starting the vacuum motor to pump the rinsing liquid in the nursing seat to the dirty liquid tank. Compared with the prior art, the invention can effectively clean the rolling brush and the rolling brush cavity, remove dirt embedded in the surface of the rolling brush and the bristles, prevent secondary pollution and powerfully ensure the cleaning effect.

Description

Self-cleaning method for surface cleaning device and wet surface cleaning system

Technical Field

The invention relates to the field of household cleaning equipment, in particular to a self-cleaning technology of wet type surface cleaning equipment and a wet type surface cleaning system.

Background

In the prior art, surface cleaning devices are divided into wet type and dry type cleaning devices, the dry type cleaning device cleans the surfaces such as the ground and the wall surface only by means of vacuum suction force provided by a vacuum motor, the wet type cleaning device needs to be cleaned by means of cleaning agent or clear water, sewage, scraps and the like on the surface to be cleaned are transferred into a sewage tank by means of friction between a roller brush rotating at a high speed and the ground, however, in order to obtain a better cleaning effect, a flocking roller brush with fine water-absorbing fiber fluff is generally adopted in the latest generation of roller brushes, therefore, some dirt can be attached to the surface and the fluff after the roller brush works for a period of time, and more dirt is collected on the inner surface of a roller brush cavity, so that the cleaning effect is reduced, and secondary pollution is caused. In addition, after the consumer uses the equipment, the consumer often forgets to dump the sewage tank, the sewage is stored in the sewage tank for a long time, bacteria are easy to breed, peculiar smell is generated, and the existing wet-type ground cleaning equipment rarely reminds the user to dump the sewage tank and clean the rolling brush.

Disclosure of Invention

In order to solve the above technical problem, it is an object of the present invention to provide a self-cleaning method of a surface cleaning apparatus.

In order to achieve the above object, a first technical solution of the present invention is a self-cleaning method for a surface cleaning apparatus, including:

rotating a roller brush of the surface cleaning device in a nursing seat containing cleaning liquid to finish a rinsing procedure of transferring dirt adhered to the roller brush into the liquid;

and starting the vacuum motor to pump the rinsing liquid in the nursing seat to the dirty liquid tank.

In the above technical solution, it is further preferable that the rolling brush is driven by a rolling brush motor to rotate.

In the above technical solution, it is further preferable that before the rolling brush motor is turned on, whether the surface cleaning apparatus is located in the nursing seat is first detected.

In the above technical solution, it is further preferable that after the surface cleaning device is placed in the nursing seat, a prompt is given to remind a user to pour cleaning liquid into the nursing seat.

In the above technical solution, it is further preferable that the starting of the vacuum motor is delayed after the rolling brush motor is started for a set time.

In the above technical solution, it is further preferable that the rolling brush rotates at a rotation speed greater than that in the cleaning state.

In the above technical solution, it is further preferable that the pumping of the rinsing liquid in the nursing seat into the waste liquid tank is completed by the rotation of the rolling brush.

In the above technical solution, it is further preferable that the self-cleaning method further includes sending a prompt to remind the user to pour the waste liquid tank after the liquid in the nursing seat is completely pumped.

In the above technical solution, it is further preferable that the surface cleaning apparatus is provided with a clean water tank for containing cleaning liquid, and the cleaning liquid in the nursing seat is from the clean water tank.

Alternatively, the cleaning liquid in the nursing seat is externally added.

In order to achieve the above object, a second aspect of the present invention provides a wet surface cleaning system, comprising:

a surface cleaning apparatus having a vacuum motor, a cleaning head having a roller brush thereon, a sump in fluid communication with the cleaning head via a suction channel, and a control device;

a nursing seat configured to hold a cleaning liquid;

the wet surface cleaning system is configured to have a sweeping mode and a self-cleaning mode, in the self-cleaning mode, the roller brush is configured to rotate in a nursing seat containing cleaning liquid to complete a rinsing process of transferring dirt adhered to the roller brush to the liquid, and the vacuum motor is configured to be started after a set time for rinsing the roller brush to complete a draining process of pumping the rinsing liquid in the nursing seat to a dirt liquid tank.

In the above technical solution, preferably, the cleaning head is provided with a roller brush motor for driving the roller brush to rotate, and the roller brush motor and the vacuum motor are electrically connected to the control device respectively.

In the above technical solution, preferably, the surface cleaning apparatus further has a self-cleaning switch for activating the self-cleaning mode.

In the above technical solution, preferably, the rolling brush is configured to have different rotation speeds in the sweeping mode and the self-cleaning mode.

In the above technical solution, preferably, the nursing seat is provided with a charging terminal.

In the above technical solution, it is preferable that the nursing seat has a sensor for detecting whether the surface cleaning apparatus is correctly placed on the nursing seat.

In the above technical solution, preferably, the nursing seat has a groove with a part of surface depressed downwards for storing liquid.

In the above technical solution, preferably, the wet surface cleaning system further includes an alarm module in signal connection with the control device.

In the above solution, preferably, the surface cleaning apparatus further comprises a flat suction nozzle in fluid communication with the suction channel, and the flat suction nozzle is configured to transfer the liquid in the nursing seat into the waste liquid tank.

Compared with the prior art, the invention can effectively clean the rolling brush and the rolling brush cavity, remove dirt embedded in the rolling brush cavity, the surface of the rolling brush and the brush hair, prevent secondary pollution and powerfully ensure the cleaning effect.

Drawings

FIG. 1 is a perspective view of a surface cleaning system of the present invention;

FIG. 2 is a cross-sectional view of the cleaning head of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a functional block diagram of the dispensing system of the present invention;

FIG. 5 is a flow chart of a self-cleaning method of the present invention;

wherein: wherein: 100. a cleaning head; 10. a housing; 11. a suction channel; 12. a rear wheel; 13. rolling and brushing; 14. scraping the strip;

200. a distribution system; 21. a first flow controller; 22. a second flow controller; 23. a first fluid delivery tube; 24. a second fluid delivery tube; 25. a first nozzle; 26. a second nozzle; 27. a heating body; 28. a heat generating tube;

300. cleaning the host machine; 31. a vacuum motor; 32. a sewage tank; 33. a clear water tank; 34. a display screen;

400. a handle bar; 41. a working switch; 42. a self-cleaning switch; 43. a rod;

500. a nursing seat; 51. a groove; 52. and (6) connecting the electric terminals.

Detailed Description

The technical contents, the structural features, the achieved objects and the effects of the invention are explained in detail in the following with reference to the embodiments.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. Additionally, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

The front-to-back, left-to-right, and up-down directions described in this specification correspond to the front-to-back, left-to-right, and up-to-down directions of a consumer during normal operation of the cleaning apparatus, as indicated by arrows in fig. 1.

Embodiments of the present invention are described below with reference to fig. 1-5.

Referring to fig. 1, a wet surface cleaning system according to an embodiment of the present invention may include: anursing seat 500 and a surface cleaning apparatus that can be mounted in an upright position on thenursing seat 500.

The surface cleaning apparatus includes a cleaningmain body 300, ahandle bar 400 connected to the cleaningmain body 300 in a fixed or detachable manner and adapted to be held by a hand, and acleaning head 100 disposed at the bottom of the cleaningmain body 300. In floor cleaning, the user pushing on thehandle bar 400 operates the surface cleaning apparatus to move back and forth and side to side across the surface to be cleaned.

The cleaningmain body 300 includes avacuum motor 31 and a control device for receiving a user command to control the operation of each electric component. Themain cleaning unit 300 may be a main vacuum cleaner unit, a main floor cleaner unit, or a main vacuum cleaner unit in the form of a handheld vacuum cleaner unit. For upright floor washers there is usually aclean water tank 33 for clean cleaning liquid and adirty water tank 32 for dirty water in the main body of the machine, whereas for hand-held vacuum cleaner main units the dirty water tank and clean water tank are usually attached by detachable attachments. That is, the concepts of the present invention may be adapted for use with a variety of vacuum surface cleaning apparatuses and are not limited to use with a particular model.

Referring to fig. 2, thecleaner head 100 further includes: ahousing 10, asuction passage 11 constructed by a partial housing, aroll brush 13 rotatably coupled to a front portion of thecleaning head 100, a roll brush motor driving the roll brush to rotate, and a pair ofrear wheels 12 rotatably coupled to a rear portion of thecleaning head 100. The bottom of thecleaner head 100 is provided with a suction opening facing the floor, and thehousing 10 at the upper part of the suction opening further forms a rolling brush chamber in which the rollingbrush 13 is mounted, the inlet of thesuction channel 11 is located behind the rolling brush chamber, and thesuction channel 11 enables air flow communication between the suction opening and the waste water tank. When thecleaning head 100 moves on the ground, the bristles of the rollingbrush 13 rub against the ground, the fiber bristles are fully distributed on the surface of the rollingbrush 13, the ground can be brushed, meanwhile, sewage on the ground is rolled up, and the sewage enters the sewage tank through thesuction channel 11 under the action of vacuum suction.

Therear scraping strip 14 for friction contact with the ground is arranged behind the rolling brush cavity, and when the cleaninghead 100 moves forwards, liquid on the ground is pushed forwards by the aid of therear scraping strip 14, so that the cleaned ground is kept dry and clean.

Referring to fig. 3 and 4, the surface cleaning apparatus further comprises adistribution system 200, wherein thedistribution system 200 is connected with theclean water tank 33 and is used for distributing the cleaning liquid or the steam to the surface to be cleaned or the surface of the roller brush, in the embodiment, thedistribution system 200 comprises a firstfluid conveying channel 23, afirst flow controller 21 for regulating the flow amount of the cleaning liquid entering the firstfluid conveying channel 23, a secondfluid conveying channel 24, asecond flow controller 22 for regulating the flow amount of the cleaning liquid entering the secondfluid conveying channel 24, and aheating body 27, afirst nozzle 25 is arranged at the end of the firstfluid conveying channel 23, and asecond nozzle 26 is arranged at the end of the secondfluid conveying channel 24. Thefirst flow controller 21 and the secondfluid transfer passage 24 are pumps. Further, thefirst nozzle 25 is arranged towards the brush chamber and the second nozzle is arranged towards the surface to be cleaned in front, while the firstfluid transport channel 23 transports cleaning liquid in liquid form, which may be fresh water, cold water, hot water or a liquid mixed with a cleaning agent, and the secondfluid transport channel 24 transports steam towards the floor to be cleaned.

Theheating body 27 is provided with two heating channels for the firstfluid conveying channel 23 and the secondfluid conveying channel 24 to pass through respectively, and a heating tube 28 is arranged in the inner core of theheating body 27. By adjusting the liquid flow entering the two fluid channels and the power of the heating tube, the two channels of fluid can be heated by one heating body, and cold water, hot water and steam can be provided.

In order to improve the efficiency of liquid utilization, thefirst nozzle 25 and thesecond nozzle 26 are located at the front of the housing and far away from thesuction channel 11, so that the fluid sprayed from the first fluid conveying channel and the second fluid conveying channel can be prevented from being carried away by the suction channel again without being fully utilized.

Thenursing seat 500 has charging terminals and a sensor for detecting whether the surface cleaning apparatus is properly seated in the nursing seat, which can be charged when the surface cleaning apparatus is parked. The upper portion of thenursing seat 500 is formed with a recess that is recessed downward, and the surface cleaning apparatus can be placed in the recess in an upright position and the charging can be completed. In this embodiment, thenursing seat 500 is substantially flat and dish-shaped and matches the contour of thecleaning head 100, the depth of the groove is slightly larger than the distance from the suction opening of the cleaning head to the ground, and when the groove is filled with water, one third to one half of the height of the rollingbrush 13 is submerged under water to complete the cleaning of the rolling brush.

Thecleaning host 300 is provided with a touch display screen which can display a plurality of operation keys and various information such as the current water level, the working mode, the electric quantity, the water flow size and the like of the equipment, and a user can select the working mode and operate the equipment to work through the display screen. The control device of the surface cleaning apparatus is electrically connected to the vacuum motor, the roll brush motor, the heater, and the like, while the control device is further configured to have a sweeping mode and a self-cleaning mode.

In the cleaning mode, the user operates the operating switch 41 on thehandle rod 400 to simultaneously start the vacuum motor and the rolling brush motor, the distribution system is simultaneously started to spray cleaning liquid to the rolling brush, and the user pushes thehandle rod 400 to run on the ground, so that the rollingbrush 13 cleans the ground, and transfers sewage and solid garbage on the ground to the suction channel and is taken away by the suction channel.

In the self-cleaning mode, the roller brush motor is firstly started with the vacuum motor to rinse, namely, the roller brush is firstly rinsed in a nursing seat containing cleaning liquid in a hollow rotating mode, so that dirt adhered to the roller brush and the inner wall of a roller brush cavity is transferred to the liquid, the vacuum motor does not work at the moment, after the roller brush is rinsed for a certain time, the vacuum motor is started to pump the rinsing liquid in the nursing seat into the dirt liquid tank, and therefore the self-cleaning of the roller brush and the roller brush cavity can be completed. When the equipment is designed, the delayed starting of the vacuum motor relative to the rolling brush motor is only required to be set, and the delay time can be set to be 5-60 seconds. The cleaning liquid in the nursing seat can come from aclean water tank 33 of the surface cleaning device or can be added by the user.

In the embodiment, in the self-cleaning mode, the rotation of the rolling brush is driven by the rolling brush motor, but the invention can not eliminate the situation that the manual driving of the rolling brush rotation is realized by some mechanical mechanisms, or the driving mechanism is adopted to realize that one vacuum motor simultaneously provides the vacuum suction force and the rolling brush rotation power.

Thehandle bar 400 is further provided with a self-cleaningswitch 42 for activating a self-cleaning mode by one-touch, and the self-cleaning mode can be automatically activated after a user presses the self-cleaningswitch 42.

Preferably, theroll brush 13 may be configured to have different rotation speeds in the sweeping mode and the self-cleaning mode, and the rotation speed in the self-cleaning mode may be greater than that in the sweeping mode.

In other embodiments, the surface cleaning apparatus may further comprise a flat suction nozzle in fluid communication with the suction path, the flat suction nozzle having a narrower intake opening relative to the suction opening and a higher airflow pressure. The liquid in the nursing seat can be quickly transferred into a dirty liquid tank by the flat suction nozzle, or the flat suction nozzle assists the rolling brush to drain the dirty water in the nursing seat. A generally flat suction nozzle is provided on the housing behind the suction opening.

Preferably, the surface cleaning device further comprises an acousto-optic-electric reminding module in signal connection with the control device, the reminding module can comprise a display lamp, a loudspeaker and a memory in which a plurality of voice audios are stored in advance, and the reminding module can emit warning light or voice to remind a user of next operation at the time when the surface cleaning device is placed on a nursing seat, when a cleaning mode or a self-cleaning mode starts, when the cleaning mode or the self-cleaning mode ends and the like. For example, when the surface cleaning equipment stops at the nursing seat, the user is reminded to carry out self-cleaning of the rolling brush, after the self-cleaning of the rolling brush is finished, the user is reminded to dump the sewage tank, and after the installation and the resetting, the user is reminded to finish the whole cleaning process, and the like. The surface cleaning device further comprises a plurality of light emitting lamps which are matched with the voice prompt to remind the user of the light.

Referring to fig. 5, the self-cleaning method of the surface cleaning apparatus used in the present embodiment specifically includes:

1. after the floor cleaning is completed, in the plugged-in state, the surface cleaning device is placed on the nursing seat, and the nursing seat detects that the surface cleaning device is correctly installed (kept in an upright state);

2. the reminding module reminds a user to pour clean water into the nursing seat through a display screen or reminds the user to spray water to the rolling brush from the clean water tank so that the nursing seat is filled with clean water;

3. a self-cleaning button on the handle lever is pressed, and the equipment starts to automatically clean;

4. the rolling brush rotates rapidly in clean water, and because the clean water in the nursing seat is much larger than the water amount coiled by the rolling brush in a cleaning state, the dirt adhered to the rolling brush can be transferred into the liquid to rinse the rolling brush, and a large amount of water can be sprayed on the inner wall of the rolling brush cavity to clean the inner wall of the rolling brush cavity;

5. after the rolling brush is rinsed for 30 seconds, the vacuum motor is started, the rolling brush continues to rotate, rinsing sewage in the nursing seat is drawn into the suction channel and is sent into the sewage tank;

6. after the liquid in the nursing seat is completely pumped, an acousto-optic signal is sent to remind a user to pour the sewage tank, if the user does not pour the sewage tank in time in the period, the equipment can remind the user to pour the sewage tank through different sounds and light, so that peculiar smell and bacteria caused by long-time uncleaning are prevented from breeding;

7. and after the user finishes cleaning the sewage tank and the installation is reset, the user prompts the completion of the whole self-cleaning process.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A method of self-cleaning a surface cleaning apparatus, comprising:

2. Self-cleaning method according to claim 1, characterized in that: the rolling brush is driven by a rolling brush motor to rotate.

3. Self-cleaning method according to claim 2, characterized in that: before turning on the roller brush motor, it is first checked whether the surface cleaning apparatus is located in the nursing seat.

4. A self-cleaning method according to claim 3, characterized in that: and after the surface cleaning equipment is placed in the nursing seat, sending out a prompt for reminding a user of pouring cleaning liquid into the nursing seat.

5. Self-cleaning method according to claim 2, characterized in that: and the rolling brush motor is started for a set time and then the vacuum motor is started in a delayed manner.

6. Self-cleaning method according to claim 2, characterized in that: in the rinsing process, the roller brush rotates at a rotation speed greater than that in the cleaning state.

7. Self-cleaning method according to claim 1, characterized in that: the rinsing liquid in the nursing seat is pumped into the dirty liquid tank by the rotation of the rolling brush.

8. Self-cleaning method according to claim 1, characterized in that: after the liquid in the nursing seat is completely pumped out, a prompt for reminding the user to pour the dirty liquid tank is sent out.

9. Self-cleaning method according to claim 1, characterized in that: the surface cleaning equipment is provided with a clean water tank for containing cleaning liquid, and the cleaning liquid in the nursing seat is from the clean water tank.

10. Self-cleaning method according to claim 1, characterized in that: the cleaning liquid in the nursing seat is added from the outside.

11. A wet surface cleaning system comprising:

a nursing seat configured to hold a cleaning liquid;

the method is characterized in that: the wet surface cleaning system is configured to have a sweeping mode and a self-cleaning mode, in the self-cleaning mode, the roller brush is configured to rotate in a nursing seat containing cleaning liquid to complete a rinsing process of transferring dirt adhered to the roller brush to the liquid, and the vacuum motor is configured to be started after a set time for rinsing the roller brush to complete a draining process of pumping the rinsing liquid in the nursing seat to a dirt liquid tank.

12. The wet surface cleaning system of claim 11, wherein: the cleaning head is provided with a rolling brush motor for driving the rolling brush to rotate, and the rolling brush motor and the vacuum motor are respectively and electrically connected with the control device.

13. The wet surface cleaning system of claim 11, wherein: the surface cleaning apparatus also has a self-cleaning switch that activates the self-cleaning mode.

14. The wet surface cleaning system of claim 11, wherein: the roll brush is configured to have different rotation speeds in the sweeping mode and the self-cleaning mode.

15. The wet surface cleaning system of claim 11, wherein: the nursing seat is provided with a charging terminal.

16. The wet surface cleaning system of claim 11, wherein: the nursing seat is provided with a sensor for detecting whether the surface cleaning equipment is correctly arranged on the nursing seat.

17. The wet surface cleaning system of claim 11, wherein: the nursing seat is provided with a groove with a part of surface depressed downwards for storing liquid.

18. The wet surface cleaning system of claim 11, wherein: the device also comprises an alarm module in signal connection with the control device.

19. The wet surface cleaning system of claim 11, wherein: the surface cleaning apparatus also has a flat suction nozzle in fluid communication with the suction channel, the flat suction nozzle being configured to transfer liquid in the nursing seat to the waste tank.

20. The wet surface cleaning system of claim 11, wherein: the surface cleaning equipment is provided with a clean water tank for containing cleaning liquid, and the cleaning liquid in the nursing seat is from the clean water tank.