WO2022036790A1

WO2022036790A1 - Floor-sweeping robot

Info

Publication number: WO2022036790A1
Application number: PCT/CN2020/115655
Authority: WO
Inventors: 黄泉
Original assignee: 苏州三六零机器人科技有限公司
Priority date: 2020-08-21
Filing date: 2020-09-16
Publication date: 2022-02-24
Also published as: CN114073453A

Abstract

A floor-sweeping robot (100), comprising: a housing (10); a water tank (20), the water tank (20) being arranged on the housing (10); a drainage pipe (30), the drainage pipe (30) being in communication with the water tank (20); and a fluid detection assembly (40), the fluid detection assembly (40) being in communication with the drainage pipe (30) and being used for detecting water in the drainage pipe (30).

Description

Sweeping robot

This application claims the priority of the Chinese patent application filed on August 21, 2020 with the application number 202010853581.9 and titled "Sweeping Robot", the entire contents of which are incorporated into this application by reference.

technical field

The present application relates to the technical field of household electrical appliances, and in particular, to a sweeping robot.

Background technique

In order to perform sweeping and mopping in the related art, a water tank is usually provided at the housing of the sweeping robot, so as to use the water in the water tank and the mopping cloth to mop the floor. However, in the process of using this cleaning robot, it is impossible to obtain the water level in the water tank in time, which leads to the phenomenon of water cut off and no water in the water tank, which is extremely inconvenient for users to use.

technical solutions

The main purpose of the present application is to provide a sweeping robot, which aims to obtain the water level in the water tank in time, avoid the phenomenon of water interruption in the water tank, and improve the convenience for users.

In order to achieve the above-mentioned purpose, the sweeping robot proposed by this application includes:

case;

a water tank, the water tank is arranged on the housing;

a drain in communication with the tank; and

A fluid detection component communicates with the drain pipe and can be used to detect water in the drain pipe.

In one embodiment, the fluid detection assembly includes a liquid-passing box and a detection sensor, a liquid-passing cavity is formed in the liquid-passing box, and the liquid-passing box is provided with a liquid inlet that communicates with the liquid-passing cavity; A liquid outlet, the liquid inlet communicates with the drain port of the drain pipe, and the detection sensor is arranged on the top of the liquid passage box, and is used to detect the change of the water level in the liquid passage chamber.

In one embodiment, the fluid detection assembly further includes a water pump and a communication pipe, the communication pipe is in communication with the water tank and the water pump, and the drain pipe is in communication with the water pump.

In one embodiment, the cleaning robot further includes a controller, which is arranged on the housing and is electrically connected to the detection sensor and the water pump.

In one embodiment, the cleaning robot further includes an alarm, the alarm is mounted on the housing, and the alarm is electrically connected to the controller.

In one embodiment, the liquid outlet is opened on the side wall of the liquid passing box, and a distance is formed between the liquid outlet and the bottom wall of the liquid passing box;

And/or, the drainage pipe is a curved pipe structure.

In one embodiment, the liquid passing box includes a box body and a box cover, the box cover is covered with the box body and is enclosed with the box body to form the liquid passing cavity, and the box body is provided with a The liquid inlet and the liquid outlet, and the detection sensor are arranged on the box cover and located in the liquid passage chamber.

In one embodiment, the cleaning robot further includes a nozzle assembly mounted on the housing, the nozzle assembly includes a nozzle and a water spray pipe, one end of the water spray pipe is connected to the fluid detection assembly, the The other end of the water spray pipe communicates with the nozzle.

In one embodiment, the nozzle assembly further comprises a tee pipe and a water storage pipe mounted on the housing, a nozzle of the tee pipe is communicated with the water spray pipe, and another part of the tee pipe is in communication with the water spray pipe. Both nozzles are communicated with the water storage pipe and are arranged at intervals along the extending direction of the water storage pipe. The water storage pipe is connected.

In one embodiment, the cleaning robot includes two driving wheels, the two driving wheels are mounted on the bottom of the housing, and the fluid detection assembly is located in the area between the two driving wheels and the water tank.

In the sweeping robot of the technical solution of the present application, a water tank is arranged in the housing, and a drain pipe is arranged to communicate with the water tank, so that the water in the water tank can be discharged through the drain pipe; and by connecting the fluid detection component with the drain pipe, the drain pipe is discharged The water can be discharged after flowing through the fluid detection component. The fluid detection component detects whether there is water in the drain pipe, so that it can be confirmed whether there is water in the water tank by detecting whether the drain pipe is draining. When there is no water in the drain pipe Or when the amount of water is small, it is convenient for the user to add water to the water tank in time, so as to avoid the phenomenon of water failure and no water in the water tank, which greatly improves the convenience of the user.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to the structures shown in these drawings without any creative effort.

1 is a schematic structural diagram of an embodiment of a cleaning robot according to the present application;

Fig. 2 is another perspective view in Fig. 1;

Fig. 3 is the partial structural schematic diagram of the sweeping robot of the application;

FIG. 4 is a partial structural schematic diagram of the fluid detection component in the cleaning robot of the present application.

Description of reference numbers:

标号 label	名称 name	标号 label	名称 name
10 10	壳体 case	20 20	水箱 water tank
21 twenty one	补水口 water filling	22 twenty two	提手结构 handle structure
30 30	排水管 drain pipe	40 40	流体检测组件 Fluid Detection Components
41 41	过液盒 Liquid box	411 411	盒体 box
4111 4111	进液口 liquid inlet	4112 4112	出液口 Liquid outlet
412 412	盒盖 lid	42 42	检测感应器 detection sensor
43 43	水泵 water pump	44 44	连通管 connecting pipe
50 50	喷嘴组件 Nozzle Assembly	51 51	喷水管 sprinkler
52 52	喷嘴 nozzle	53 53	储水管 water storage pipe
54 54	三通管 three-way pipe	100 100	扫地机器人 Sweeping robot
11 11	限位槽 Limit slot	60 60	驱动轮 drive wheel

The realization, functional characteristics and advantages of the purpose of the present application will be further described with reference to the accompanying drawings in conjunction with the embodiments.

Embodiments of the present invention

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relationship between various components under a certain posture (as shown in the accompanying drawings). The relative positional relationship, the movement situation, etc., if the specific posture changes, the directional indication also changes accordingly.

In this application, unless otherwise expressly specified and limited, the terms "connected", "fixed" and the like should be understood in a broad sense, for example, "fixed" may be a fixed connection, a detachable connection, or an integrated; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be an internal communication between two elements or an interaction relationship between the two elements, unless otherwise explicitly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In addition, descriptions such as "first", "second", etc. in this application are only for descriptive purposes, and should not be construed as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the meaning of "and/or" in the whole text is to include three parallel schemes, and taking "A and/or B as an example", it includes scheme A, scheme B, or scheme that A and B satisfy simultaneously. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection claimed in this application.

The present application proposes a cleaning robot 100 .

Please refer to FIG. 1 to FIG. 4 , in this embodiment of the present application, the cleaning robot 100 includes:

housing 10;

a water tank 20, the water tank 20 is arranged in the housing 10;

a drain pipe 30 in communication with the water tank 20; and

The fluid detection component 40 communicates with the drain pipe 30 and can be used to detect water in the drain pipe 30 .

Wherein, the shape of the casing 10 can be designed as a circle. The housing 10 is formed as the main body of the cleaning robot 100 and may provide mounting and support for other components. Normally, an installation cavity is formed in the housing 10 , and the driving components, electronic control components, etc. of the cleaning robot 100 can be installed in the installation cavity. In this embodiment, the universal wheels, the cleaning structure and the mopping structure of the sweeping robot 100 can all be disposed at the bottom of the housing 10 , so that the sweeping robot 100 can mop and clean the ground during traveling.

The water tank 20 is mainly used to store water bodies. In practical applications, when the cleaning robot 100 is working, the water in the water tank 20 can be discharged to the mop through the drain pipe 30 to mop the floor with the mop. The fluid detection component 40 can be directly installed on the bottom of the housing 10, and the fluid detection component 40 is communicated with the drain pipe 30, so that the drainage of the drainage pipe 30 can flow through the fluid detection component 40, so that the water tank can be judged by detecting the drainage in the drainage pipe 30. Whether there is water within 20.

It can be understood that the fluid detection component 40 can also be a mechanical floating liquid level gauge, so that after being connected to the drain pipe 30, the user can directly observe the height of the liquid level in the fluid detection component 40, thereby judging the pipeline of the drain pipe 30. The drainage situation in the water tank 20 is timely added to the water tank 20.

Therefore, in the cleaning robot 100 of the technical solution of the present application, the water tank 20 is arranged in the housing 10 and the drain pipe 30 is arranged to communicate with the water tank 20, so that the water in the water tank 20 can be discharged through the drain pipe 30; It is communicated with the drain pipe 30, so that the water discharged from the drain pipe 30 can flow through the fluid detection component 40 before being discharged, and the fluid detection component 40 detects whether there is water in the drain pipe, so that it can be detected by detecting whether the drain pipe 30 is drained. Confirm whether there is water in the water tank 20. When there is no water or a small amount of water in the drain pipe 30, it is convenient for the user to add water to the water tank 20 in time, so as to avoid the phenomenon of water failure and no water in the water tank 20, which greatly improves the user's use. convenience.

3 and 4 , in an embodiment of the present application, the fluid detection assembly 40 includes a liquid flow box 41 and a detection sensor 42 , and a liquid flow cavity is formed in the liquid flow box 41 . The box 41 is provided with a liquid inlet 4111 and a liquid outlet 4112 that communicate with the liquid passage chamber. The liquid inlet 4111 is communicated with the water outlet of the drain pipe 30 , and the detection sensor 42 is provided in the liquid passage. The top of the box 41 is used to detect the change of the water level in the liquid passage chamber.

In the above-mentioned embodiment, the material of the liquid flow box 41 can be made of plastic material with lighter texture and better structural strength. valid shape. Preferably, the shape of the liquid flow box 41 is a cuboid, and the liquid inlet 4111 and the liquid outlet 4112 are respectively opened on opposite two side walls of the liquid flow box 41 in the length direction, so that the water in the drain pipe 30 is After entering the liquid flow box 41 , it is convenient for the detection sensor 42 to obtain the water level line in the detection box, and to obtain the water storage condition in the water tank 20 in time. The liquid inlet 4111 and the liquid outlet 4112 on opposite sides in the length direction can make the water entering the liquid box 41 precipitate and then be discharged from the other side, thereby ensuring that the water discharged through the liquid box 41 is relatively clean and not easy to blocked.

The detection sensor 42 may be a capacitive liquid level gauge used in the prior art. When the water in the drain pipe 30 enters the liquid flow box 41 through the liquid inlet 4111, the change of the liquid level in the liquid flow box 41 can be determined by using the principle of capacitive induction. For example, when the liquid level in the liquid flow box 41 drops, The dielectric constant between the detection sensor 42 and the liquid surface is reduced, and thus the electric capacity is also reduced, so that the user is notified in time to replenish the water tank 20 .

Further, referring to FIG. 3 , in an embodiment of the present application, the fluid detection assembly 40 further includes a water pump 43 and a communication pipe 44 , the communication pipe 44 communicates with the water tank 20 and the water pump 43 , and the drain pipe 30 is communicated with the water pump 43 . In this embodiment, the water pump 43 is a peristaltic pump, the peristaltic pump is pollution-free, and the liquid only contacts the pump tube, not the pump body; and the peristaltic pump has high stability and precision, low shear force, and good sealing: it has good self-priming ability. , and can be idling to prevent backflow; simple maintenance, no valves and seals; two-way equal flow delivery capacity; no liquid idling will not cause damage to any part of the pump; can produce up to 98% vacuum. The water inlet of the water pump 43 is communicated with the water tank 20 through the communication pipe 44 , and the water outlet of the water pump 43 is drained through the drain pipe 30 . By arranging the water pump 43 and the communication pipe 44, the water in the water tank 20 can flow into the drain pipe 30 and the liquid overflow box 41 evenly and quantitatively, so that the detection sensor 42 can accurately obtain the drainage volume, which greatly enhances the The accuracy of obtaining the water level in the water tank 20. Moreover, by setting the peristaltic pump, it can be judged whether the water tank 20 is installed in place when the air is pumped.

Further, in order to prevent the communication pipe 44 and the water pump 43 from being blocked, the components that communicate with the water tank 20 and the communication pipe 44 in the present application are also provided with a filter element, and the filter element is provided in the water tank 20, wherein the filter element can be a filter net , filter element, etc., by setting the filter element, the impurities in the water tank 20 can be filtered, thereby preventing the impurities from entering the communication pipe 44 and the water pump 43 and causing blockage.

In an embodiment of the present application, the cleaning robot 100 further includes a controller (not shown), and the controller is disposed in the housing 10 and electrically connected to the detection sensor 42 and the water pump 43 . connect. The principle that the controller is connected to the detection sensor 42 and controls the water pump 43 is similar to that of the prior art. By setting the controller, the detection sensor 42 detects that the drainage volume in the pipeline of the drainage pipe 30 is small or close to no water. A control signal can be sent to control the water pump 43 to stop running. At this time, the drain pipe 30 no longer drains water, which effectively avoids the phenomenon that the water pump 43 burns out due to idling.

Further, in the present application, the cleaning robot 100 further includes an alarm (not shown), the alarm is installed on the housing 10 , and the alarm is electrically connected to the controller. Specifically, the alarm may be a device capable of sending out an alarm sound signal, such as a buzzer and the like. By setting an alarm, when the detection sensor 42 detects that there is no water in the pipeline of the drain pipe 30, the controller can transmit a signal to the alarm to emit an alarm sound to remind the user to add water in time.

In an embodiment of the present application, the liquid outlet 4112 is opened on the side wall of the liquid passing box 41 and forms a gap with the bottom wall of the liquid passing box 41 . It can be understood that, the water in the drain pipe 30 can be stored to a certain liquid level after entering the liquid-passing box 41, so that impurities in the water body can be deposited at the bottom of the liquid-passing cavity, and the liquid outlet 4112 Discharge the clear water from the upper part to the mop for mopping, so as to avoid the blockage of the water spraying process caused by impurities.

In another embodiment, the drain pipe 30 is a curved pipe structure. By setting the drainage pipe 30 as a curved pipe structure, on the one hand, the curved pipe structure increases the drainage path and can deposit some impurities in the water body; After the body 10 is installed, the liquid overflow box 41 is connected to the water tank 20 by the curved pipe structure, which can be adapted to the structure of the casing 10 and facilitates installation and removal operations.

Referring to FIG. 4 , in the embodiment of the present application, the liquid overflow box 41 includes a box body 411 and a box cover 412 , and the box cover 412 covers the box body 411 and is enclosed with the box body 411 to form a In the liquid passing chamber, the box body 411 is provided with the liquid inlet 4111 and the liquid outlet 4112, and the detection sensor 42 is provided on the box cover 412 and located in the liquid passing chamber.

Specifically, the box body 411 and the box cover 412 can be fixed by ultrasonic welding, or fixed by detachable connection, and the detection sensor 42 can be glued and fixed on the box cover 412. In this way, after the water body of the drain pipe 30 enters the box body 411, The detection sensor 42 located on the box cover 412 can detect the change of the liquid level below by using the principle of capacitive sensing, so as to determine the water level in the water tank 20 by detecting whether there is water flowing in the liquid passing box 41 .

Referring to FIG. 3 , further, in an embodiment of the present application, the cleaning robot 100 further includes a nozzle 52 assembly 50 mounted on the housing 10 , and the nozzle 52 assembly 50 includes a nozzle 52 and a water spray pipe 51 , One end of the water spray pipe 51 is communicated with the fluid detection assembly 40 , and the other end of the water spray pipe 51 is communicated with the nozzle 52 .

In this embodiment, one end of the water spray pipe 51 is connected to the liquid outlet 4112 of the liquid overflow box 41 , and the other end is connected to the nozzle 52 , so that the water body in the water tank 20 can pass through the communication pipe 44 , the water pump 43 and the drain pipe 30 in sequence. , the liquid flow box 41 and the water spray pipe 51, and then spray from the nozzle 52 to the mop, and the nozzle 52 can evenly spray the discharged water to the mop, so that the humidity of the mop is more uniform, so that the sweeping robot 100 has the effect of mopping the floor. better.

In the embodiment of the cleaning robot 100 of the present application, the nozzle 52 assembly 50 further includes a tee pipe 54 and a water storage pipe 53 mounted on the housing 10 , and a nozzle of the tee pipe 54 is connected to the water spray. The pipe 51 is connected to each other, and the other two nozzles of the three-way pipe 54 are connected to the water storage pipe 53 and are arranged at intervals along the extending direction of the water storage pipe 53. The nozzles 52 are arranged at intervals along the extending direction of the water storage pipe 53 and communicate with the water storage pipe 53 . In this embodiment, the number of nozzles 52 can be three or more, the water storage pipe 53 is a pipe body with closed ends, and the water in the water spray pipe 51 is drained to the water storage pipe 53 through the tee pipe 54, and can be stored in the The water storage pipe 53 is then sprayed onto the mop by a plurality of nozzles 52 . In this way, the water in the water spray pipe 51 is uniformly stored in the water storage pipe 53 , and sprayed to the mop evenly through the plurality of nozzles 52 .

In order to enable the tee pipe 54 and the water storage pipe 53 to be stably installed on the housing 10, in an embodiment of the present application, the bottom of the housing 10 is concavely provided with a limiting groove 11, and the tee pipe 54 and the storage pipe 53 At least a part of the water pipe 53 is limited in the limiting groove 11 . In this embodiment, by setting the limit groove 11, the tee pipe 54 and the water storage pipe 53 can be limited by the limit groove 11, so that the sweeping robot 100 will not easily shake during the traveling process, which is beneficial to the fluid detection assembly 40 Accurately obtains the drainage volume of the drainage pipe 30 .

Further, in the embodiment of the present application, the casing 10 is provided with an installation position, and the water tank 20 is installed in the installation position, so that the bottom wall of the water tank 20 and the bottom wall of the casing 10 are located at the position. same plane. Wherein, the installation position can be a crescent-shaped notch formed in the casing 10, and the shape of the water tank 20 is a crescent shape. In this way, after the water tank 20 is installed in the installation position, it can be combined with the casing 10 to form a circular bottom surface, The overall appearance is more beautiful.

The top surface of the water tank 20 can be provided with a water replenishment port 21 and a cover plate covering the water replenishment port 21. When the fluid detection component 40 detects that the water level in the water tank 20 is too low or lacks water, the user can add water through the water replenishment port 21 in time. In addition, in the present application, the top surface of the water tank 20 is also provided with a handle structure 22. By providing the handle structure 22, the water tank 20 and the housing 10 can be easily detached from each other by the user to facilitate daily maintenance operations.

In an embodiment of the present application, the cleaning robot 100 includes two driving wheels 60 , the two driving wheels 60 are installed on the bottom of the casing 10 , and the fluid detection assembly 40 is located between the two driving wheels 60 and the two driving wheels 60 . in the area between the water tanks 20. In this embodiment, the wheel axes of the two driving wheels 60 can be coincident with the center line of the bottom surface of the casing 10, the water tank 20 is located at the circumferential edge of the casing 10, and the connection between the position of the water tank 20 and the position of the two driving wheels 60 forms a triangle , the fluid detection assembly 40 is located in the triangular area. With this arrangement, the fluid detection assembly 40 can maintain balance with the water tank 20 during the traveling process of the cleaning robot 100 to ensure accurate detection of the drainage volume of the drainage pipe 30 .

The above are only the preferred embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Under the inventive concept of the present application, the equivalent structural transformations made by the contents of the description and drawings of the present application, or the direct/indirect application Other related technical fields are included in the scope of patent protection of this application.

Claims

A sweeping robot, wherein the sweeping robot comprises:

case;

a water tank, the water tank is arranged on the housing;

a drain in communication with the tank; and

A fluid detection component communicates with the drain pipe and can be used to detect water in the drain pipe.
The sweeping robot according to claim 1, wherein the fluid detection component comprises a liquid flow box and a detection sensor, a liquid flow cavity is formed in the liquid flow box, and a liquid flow box is opened to communicate with the liquid flow The liquid inlet and outlet of the cavity, the liquid inlet communicates with the drain of the drain pipe, the detection sensor is arranged on the top of the liquid passing box, and is used to detect the water level in the liquid passing cavity The change.
The cleaning robot of claim 2, wherein the fluid detection assembly further comprises a water pump and a communication pipe, the communication pipe communicates with the water tank and the water pump, and the drain pipe is communicated with the water pump.
The cleaning robot according to claim 3, wherein the cleaning robot further comprises a controller, the controller is arranged on the housing and is electrically connected with the detection sensor and the water pump.
The cleaning robot according to claim 3, wherein the cleaning robot further comprises an alarm, the alarm is mounted on the housing, and the alarm is electrically connected to the controller.
The cleaning robot according to claim 2, wherein the liquid outlet is opened on the side wall of the liquid passing box, and a distance is formed between it and the bottom wall of the liquid passing box;

And/or, the drainage pipe is a curved pipe structure.
The cleaning robot according to claim 2, wherein the liquid passing box comprises a box body and a box cover, and the box cover is covered with the box body and is enclosed with the box body to form the liquid passing chamber, The box body is provided with the liquid inlet and the liquid outlet, and the detection sensor is arranged on the box cover and located in the liquid passage chamber.
The sweeping robot according to any one of claims 1 to 7, wherein the sweeping robot further comprises a nozzle assembly mounted on the housing, the nozzle assembly comprising a nozzle and a water spray pipe, and the water spray pipe has a One end is communicated with the fluid detection assembly, and the other end of the water spray pipe is communicated with the nozzle.
The cleaning robot according to claim 6, wherein the nozzle assembly further comprises a tee pipe and a water storage pipe mounted on the housing, a nozzle of the tee pipe is communicated with the water spray pipe, so The other two orifices of the three-way pipe are both communicated with the water storage pipe and are arranged at intervals along the extension direction of the water storage pipe. The number of the nozzles is multiple, and a plurality of the nozzles are along the extension direction of the water storage pipe. They are arranged at intervals and communicated with the water storage pipe.
The cleaning robot according to any one of claims 1 to 7, wherein the cleaning robot comprises two driving wheels, the two driving wheels are mounted on the bottom of the casing, and the fluid detection component is located on the two driving wheels in the area between the wheel and the water tank.