CN115813261A - Floor sweeping robot - Google Patents

Abstract

The invention discloses a sweeping robot, which comprises: the maintenance station is provided with a main water tank and a water injection joint communicated with the main water tank; the sweeper body is provided with a sweeper body water tank; the water level detection device is used for detecting the water level of the machine body water tank, and the water level detection device is arranged in the maintenance station and/or the sweeper body. The sweeping robot provided by the embodiment of the invention has the advantages that the automatic water replenishing of the sweeper body can be realized, the water level in the sweeper body can be detected, the excessive or insufficient water replenishing for the sweeper body is avoided, and the like.

Description

Floor sweeping robot

Technical Field

The invention relates to the technical field of sweeping robots, in particular to a sweeping robot.

Background

The floor sweeping robot in the related art is used for automatically sweeping and mopping the environment in a room, and when water in a water tank is insufficient, a user needs to replenish water in the water tank. When water is supplemented, a user cannot determine the water quantity to be supplemented to the water tank, so that the water is easily supplemented to the water tank too much or too little, and the cleaning work of the sweeping robot is not facilitated.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the sweeping robot provided by the invention has the advantages that the automatic water replenishing of the sweeping machine body can be realized, the water level in the sweeping machine body can be detected, the excessive or insufficient water replenishing for the sweeping machine body is avoided, and the like.

To achieve the above object, a sweeping robot according to an embodiment of a first aspect of the present invention is provided, including: the maintenance station is provided with a main water tank and a water injection joint communicated with the main water tank; the sweeper body is provided with a sweeper body water tank; the water level detection device is used for detecting the water level of the machine body water tank and is arranged on the maintenance station and/or the sweeper body.

The sweeping robot provided by the embodiment of the invention has the advantages that the automatic water replenishing of the sweeper body can be realized, the water level in the sweeper body can be detected, the excessive or insufficient water replenishing for the sweeper body is avoided, and the like.

In addition, the sweeping robot according to the above embodiment of the present invention may further have the following additional technical features:

according to some embodiments of the invention, the water level detection device is arranged at the maintenance station, and can detect the water level of the water tank of the sweeper body under the condition that the sweeper body is matched with the maintenance station in place.

According to some embodiments of the invention, the water injection joint can move in a telescopic manner, and can extend into the water tank of the sweeper body in a state that the sweeper body is matched with the maintenance station in place.

According to some embodiments of the invention, the water level detection device is arranged on the water injection joint and moves along with the water injection joint, and the water level detection device can extend into the water tank of the sweeper body under the condition that the sweeper body is matched with the maintenance station in place.

According to some embodiments of the present invention, the water level detection device includes a first electrode plate and a second electrode plate, which are respectively disposed at both sides of the water injection joint in a radial direction.

According to some embodiments of the invention, the end of each of the first and second electrode sheets facing the sweeper body has a tapered section, the width of the tapered section gradually decreasing in a direction towards the sweeper body.

According to some embodiments of the invention, the outer surface of the water injection joint is sprayed with a layer of hydrophobic material.

According to some embodiments of the invention, the maintenance station is provided with an accommodating cavity, the accommodating cavity is provided with a front opening, at least one part of the sweeper body is suitable for being matched in the accommodating cavity, and the water injection joint is arranged on the upper wall surface of the accommodating cavity and can move in a telescopic mode along the vertical direction.

According to some embodiments of the invention, the fuselage water tank has a water inlet, the fuselage water tank is provided with a blocking piece, the blocking piece is movable between a blocking state blocking the water inlet and an avoidance state avoiding the water inlet.

According to some embodiments of the invention, the water injection connection is adapted to abut the blocking piece to push the blocking piece to switch from the blocking state to the avoidance state.

According to some embodiments of the invention, the blocking piece has a mating plane, the water injection joint is adapted to abut against the mating plane, and one end of the water injection joint facing the sweeper body has a water passing notch.

According to some embodiments of the invention, the water injection joint has an elastic buffer part at one end facing the sweeper body.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a sweeping robot according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a maintenance station according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a water filling joint and a water level detecting apparatus according to an embodiment of the present invention.

Reference numerals: the sweeper robot 1, the maintenance station 100, the water injection joint 120, the water passing notch 122, the accommodating cavity 130, the elastic buffer part 140, the sweeper body 200, the water level detection device 300, the first electrode plate 310 and the second electrode plate 320.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A sweeping robot 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 3, a sweeping robot 1 according to an embodiment of the present invention includes a maintenance station 100, a sweeper body 200, and a water level detection device 300.

In some embodiments of the present invention, the maintenance station 100 is provided with a main water tank and a water injection joint 120 communicated with the main water tank, the sweeper body 200 is provided with a body water tank, the water level detection device 300 is used for detecting the water level of the body water tank, and the water level detection device 300 is provided on the maintenance station 100 and/or the sweeper body 200. Wherein the water injection connects 120 can communicate with the fuselage water tank, and main water tank can connect 120 through the water injection and carry out the water injection in to the fuselage water tank, therefore the user only need carry out the moisturizing to the great main water tank of capacity, just can realize carrying out automatic water supply to the fuselage water tank, is convenient for reduce user's moisturizing number of times. The water level detection device 300 can detect the water level of the machine body water tank, when water is supplemented to the machine body water tank, the main water tank injects water with proper water amount into the machine body water tank, the water supplementing times are prevented from being increased due to insufficient water supplementing amount, the machine body water tank is prevented from overflowing due to excessive water supplementing amount, the working stability and reliability of the sweeper body 200 are convenient to improve, and the sweeper body 200 can normally perform cleaning work.

Particularly, the maintenance station 100 is convenient for reduce the number of times that the user supplies water to the robot 1 that sweeps the floor, and the user only needs to supply water to the great main water tank of capacity on the maintenance station 100, and when the water yield of the body water tank on the sweeper body 200 was not enough, water in the main water tank can get into the body water tank through the water injection joint 120, and the water supply is carried out to the body water tank. In addition, the maintenance station 100 can also charge the sweeper body 200, clean mops on the sweeper body 200, and the like.

In some examples, the water level detection device 300 may be disposed on the maintenance station 100, and the water level detection device 300 on the maintenance station 100 may detect the water level on the body water tank to supplement a proper water amount to the body water tank, so as to avoid that water overflows from the body water tank due to excessive water supplement of the body water tank by the main water tank, or that water supplement of the body water tank by the main water tank is less, so that the sweeper body 200 cannot perform a normal cleaning operation by using water in the body water tank. Meanwhile, the water level detection device 300 is arranged on the maintenance station 100 instead of the sweeper body 200, so that the number of parts of the sweeper body 200 can be reduced, the weight of the sweeper body 200 can be reduced conveniently, and the overall dimension of the sweeper body 200 can be controlled.

In other examples, the water level detection device 300 may be disposed on the sweeper body 200, and the water level detection device 300 on the sweeper body 200 may detect the water level on the body water tank to supplement a proper water amount to the body water tank, so as to avoid overflow of water from the body water tank due to excessive water supplement of the body water tank by the main water tank, or the water supplement of the body water tank by the main water tank is less, so that the sweeper body 200 cannot perform normal cleaning work by using the water in the body water tank.

In still other examples, the water level detecting devices 300 are disposed on the sweeper body 200 and the maintenance station 100, and the water level detecting devices 300 on the sweeper body 200 and the maintenance station 100 can detect the water level in the body water tank, or the water level detecting devices 300 on the sweeper body 200 and the maintenance station 100 work together to detect the water level in the body water tank. Can supply suitable water yield for the fuselage water tank like this, avoid because of main water tank is fuselage water tank moisturizing too much, lead to water to spill over from the fuselage water tank, perhaps main water tank is fuselage water tank moisturizing less, and the quick-witted body 200 of sweeping the floor can not utilize the water in the fuselage water tank to carry out normal cleaning work.

Therefore, the sweeping robot 1 according to the embodiment of the present invention has the advantages of being capable of automatically replenishing water to the sweeper body 200, being capable of detecting the water level in the sweeper body 200, and avoiding excessive or insufficient water replenishing to the sweeper body 200.

A sweeping robot 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.

In some embodiments of the present invention, as shown in fig. 1 to 3, a sweeping robot 1 according to an embodiment of the present invention includes a maintenance station 100, a sweeper body 200, and a water level detection device 300.

In some embodiments of the present invention, the water level detection device 300 is disposed at the maintenance station 100, and the water level detection device 300 can detect the water level of the water tank of the body when the sweeper body 200 is matched with the maintenance station 100. So that the main water tank can supply proper water for the water tank of the body, and the sweeper body 200 can conveniently clean by using the water in the water tank of the body.

Particularly, the water level detection device 300 is arranged on the maintenance station 100, so that the number of parts on the sweeper body 200 can be reduced, the cruising ability of the sweeper body 200 is improved, and the size and the weight of the sweeper body 200 can be conveniently controlled. The water level detection device 300 on the maintenance station 100 can detect the water level in the body water tank, when the water level detection device 300 detects that the water level in the body water tank is low, the maintenance station 100 can replenish water for the body water tank, the water level in the body water tank gradually rises at the moment, and when the water level detection device 300 detects that the water level in the body water tank reaches a certain height, the maintenance station 100 stops replenishing water for the body water tank. The maintenance station 100 can supplement proper water to the water tank of the sweeper body in time, so that excessive or insufficient water in the water tank of the sweeper body can be avoided, and the sweeper body 200 can clean by using the water in the water tank of the sweeper body. Meanwhile, the water level detection device 300 is arranged on the maintenance station 100 instead of the sweeper body 200, so that the number of parts of the sweeper body 200 can be reduced, the weight of the sweeper body 200 can be reduced conveniently, and the overall dimension of the sweeper body 200 can be controlled.

In some embodiments of the present invention, the water injection joint 120 can move telescopically, and the water injection joint 120 can extend into the water tank of the body of the sweeper body 200 in a state of being matched with the maintenance station 100. Therefore, the reliable matching of the water injection connector 120 and the water tank of the machine body can be realized, water in the main water tank can smoothly enter the water tank of the machine body through the water injection connector 120, and water is supplemented to the water tank of the machine body.

Specifically, the sweeper body 200 is typically moved within a room or other environment to clean the room or other environment, such as sweeping and mopping the floor. When the water yield in the fuselage water tank of the sweeper body 200 is not enough, the sweeper body 200 can be moved to the maintenance station 100 and is matched with the maintenance station 100, the water injection joint 120 on the maintenance station 100 can stretch into the fuselage water tank at the moment, water in the main water tank enters the fuselage water tank through the water injection joint 120, and the main water tank is convenient to replenish water to the fuselage water tank through the water injection joint 120.

In some optional embodiments of the present invention, the water level detection device 300 is disposed at the water injection joint 120 and moves together with the water injection joint 120, and the water level detection device 300 can extend into the water tank of the machine body in a state that the sweeper body 200 is matched with the maintenance station 100 in place. The water level detection device 300 can directly detect the water level in the water tank of the machine body, the detection effect of the water level detection device 300 on the water level in the water tank of the machine body is improved, and the condition of the water quantity in the water tank of the machine body is accurately judged.

Specifically, when the sweeper body 200 is matched with the maintenance station 100 in place, the water injection joint 120 can accurately extend into the water tank of the sweeper body, and at this time, the water level detection device 300 arranged on the water injection joint 120 can enter the water tank of the sweeper body along with the water injection joint 120. When the water level in the fuselage water tank is lower, water in the main water tank can get into the fuselage water tank through water injection joint 120, carries out the moisturizing to the fuselage water tank, and the water level in the fuselage water tank rises gradually this moment, and when water level detection device 300 detected the water level in the fuselage water tank and reachd a certain height, water injection joint 120 stopped to carry out the moisturizing for the fuselage water tank, avoids the water in the fuselage water tank too much and spills over the fuselage water tank.

In some optional embodiments of the present invention, the water level detecting device 300 includes a first electrode plate 310 and a second electrode plate 320, and the first electrode plate 310 and the second electrode plate 320 are respectively disposed at both sides of the water filling joint 120 in a radial direction. First electrode piece 310 and second electrode piece 320 can the cooperation work detect the water level in the fuselage water tank, and when the water level was lower, first electrode piece 310 and second electrode piece 320 and water contactless, main water tank carries out the moisturizing for the fuselage water tank through water injection joint 120, and when the water level was higher, first electrode piece 310 and second electrode piece 320 contacted with water, and main water tank stopped to carry out the moisturizing to the fuselage water tank for the fuselage water tank supplements suitable water yield.

For example, the first electrode plate 310 may be a positive power supply electrode, the second electrode plate 320 may be a negative power supply electrode, and after the first electrode plate 310 and the second electrode plate 320 extend into the fuselage water tank along with the water injection connector 120, the first electrode plate 310 and the second electrode plate 320 have a certain distance from the bottom of the fuselage water tank. When the water level in the machine body water tank is lower, the first electrode plate 310 and the second electrode plate 320 on the water injection connector 120 are not in contact with the water in the machine body water tank, at the moment, the water in the main water tank is supplemented into the machine body water tank through the water injection connector 120, the water level in the machine body water tank gradually rises, when the water level in the machine body water tank reaches a certain height, the first electrode plate 310 and the second electrode plate 320 are both in contact with the water in the machine body water tank, at the moment, the first electrode plate 310 is electrically communicated with the second electrode plate 320, the floor sweeping robot 1 receives a detection signal of the water level detection device 300, and the water injection connector 120 is controlled not to supplement water into the machine body water tank any more. Whether electric conduction takes place between first electrode piece 310 and the second electrode piece 320, can judge whether the water level in the fuselage water tank reaches a take the altitude to realize carrying out the moisturizing work for the fuselage water tank when the water level is lower in the fuselage water tank, stop to carry out the moisturizing for the fuselage water tank when the water level is higher, the main water tank of being convenient for is suitable water yield for the fuselage water tank replenishment. Set up first electrode piece 310 and second electrode piece 320 in the radial ascending both sides of water injection joint 120, set up like this and only all reach the take the altitude when the water level of fuselage water tank, first electrode piece 310 and second electrode piece 320 all with water contact time, first electrode piece 310 and second electrode piece 320 just can take place the electric conductance and lead to, be provided with like this and do benefit to the accuracy that improves water level detection device 300 and detect the interior water level of fuselage water tank. Meanwhile, the cost of the water level detection apparatus 300 is facilitated to be reduced.

In some embodiments of the invention, the end of each of the first and second electrode sheets 310 and 320 facing the sweeper body 200 has a tapered section, and the width of the tapered section gradually decreases in the direction facing the sweeper body 200. Not only be convenient for first electrode piece 310 and second electrode piece 320 can stretch into the fuselage water tank along with water injection joint 120 in, be convenient for improve the detection accuracy of first electrode piece 310 and second electrode piece 320 moreover to reliably detect the water level in the fuselage water tank.

Specifically, when the water level in the fuselage water tank reaches a certain height, the lower ends of the first electrode sheet 310 and the second electrode sheet 320 contact with water first, and the arrangement of the tapered section is favorable for reducing the area of the lower ends of the first electrode sheet 310 and the second electrode sheet 320 contacting with water first, so that the detection accuracy is improved.

In some embodiments of the present invention, the outer surface of the water injection joint 120 is sprayed with a hydrophobic material layer. When the water injection connector 120 injects water into the water tank of the fuselage, the water flowing out of the water injection connector 120 contacts with the first electrode plate 310 and the second electrode plate 320, so that the first electrode plate 310 and the second electrode plate 320 are electrically conducted, and the water level detection device 300 is prevented from misjudging the water level in the water tank of the fuselage.

Specifically, the hydrophobic layer material is sprayed on the outer surface of the water injection connector 120, so that water flowing out of the water injection connector 120 can enter the water tank of the body, and the water does not scatter on the outer surface of the water injection connector 120 and contact with the first electrode plate 310 and the second electrode plate 320, and therefore the water level detection device 300 is prevented from wrongly judging the water level in the water tank of the body due to the fact that the first electrode plate 310 and the second electrode plate 320 are electrically conducted by the water flowing out of the water injection connector 120.

In some embodiments of the present invention, the maintenance station 100 has a receiving cavity 130, the receiving cavity 130 has a front opening, at least a portion of the sweeper body 200 is adapted to fit in the receiving cavity 130, and the water injection joint 120 is disposed on an upper wall surface of the receiving cavity 130 and can move telescopically in an up-down direction (the up-down direction is shown in fig. 1, it should be understood that the above-mentioned directions are only limited for convenience of description of the drawings, and do not limit the actual installation position and direction of the sweeping robot 1). When the sweeper body 200 is moved to the position matched with the maintenance station 100, at least one part of the sweeper body 200 is matched in the accommodating cavity 130, so that the water injection joint 120 on the upper wall surface of the accommodating cavity 130 can enter the water tank of the sweeper body to supplement water for the water tank of the sweeper body.

Specifically, the lower side of the maintenance station 100 forms a front-side open receiving chamber 130, and the maintenance station 100 has a guide slope through which the sweeper body 200 can move into the receiving chamber 130. When the sweeper body 200 and the maintenance station 100 are matched in place, a part of the sweeper body 200 is arranged in the accommodating cavity 130, the water injection connector 120 can move downwards and extend into the water tank of the sweeper body, when the water level in the water tank of the sweeper body is low, the first electrode plate 310 and the second electrode plate 320 of the water level detection device 300 are not in contact with water in the water tank, and water in the main water tank enters the water tank of the sweeper body through the water injection interface at the moment to supplement water to the water tank of the sweeper body. When the water level in the machine body water tank rises to a certain height, the first electrode plate 310 and the second electrode plate 320 of the water level detection device 300 are in contact with the water in the machine body water tank, at the moment, the first electrode plate 310 and the second electrode plate 320 are electrically communicated, the water injection connector 120 stops injecting water into the machine body water tank, the water injection connector 120 moves upwards and shrinks towards the direction of the upper wall of the accommodating cavity 130, and at the moment, the sweeper body 200 can move to other positions from the accommodating cavity 130 without being influenced by the water injection connector 120.

In some embodiments of the invention, the fuselage water tank has a water inlet, the fuselage water tank is provided with a blocking piece, and the blocking piece is movable between a blocking state for blocking the water inlet and an avoiding state for avoiding the water inlet. The water inlet is convenient for the water injection joint 120 to carry out the water injection through the water inlet to the fuselage water tank, and the shutoff piece can the shutoff water inlet, has avoided the water of sweeping floor machine body 200 in the fuselage water tank to follow the water inlet spill when the activity.

Specifically, when the sweeper body 200 is engaged with the maintenance station 100, the water injection joint 120 is engaged with the water inlet, which is located directly below the water injection joint 120. When the water injection joint 120 gets into the fuselage water tank, the shutoff piece is in dodging the state, makes things convenient for the water injection to connect 120 to stretch into in the water inlet downwards to carry out the moisturizing to the fuselage water tank. When water supplement in the water tank of the machine body is completed, the water injection connector 120 shrinks upwards and moves out of the water inlet, the plugging piece is in a plugging state, the water inlet is plugged, relative sealing of the water tank of the machine body is achieved, and water in the water tank of the machine body is prevented from splashing out of the water inlet.

In some alternative embodiments of the invention, the water injection connection 120 is adapted to abut against the blocking member to urge the blocking member from the blocking state to the bypass state. When the water injection joint 120 extends downwards into the water inlet, the water injection joint 120 pushes the plugging piece downwards to be in an avoiding state, so that water in the main water tank can enter the water tank of the machine body through the water injection joint 120 conveniently, and water is supplemented for the water tank of the machine body.

Particularly, before water injection joint 120 stretched into the fuselage water tank, the shutoff piece was in shutoff state shutoff water inlet, when the water injection joint 120 moved down and got into the water inlet, the lower extreme and the shutoff piece contact of water injection joint 120, and the water injection joint 120 can promote the shutoff piece and move down this moment, arranges the shutoff piece in dodges the state, and the water injection of being convenient for connects 120 and stretches into in the water inlet, carries out the moisturizing to the fuselage water tank. When the water level in the fuselage water tank rises to a certain height, and water is not required to be continuously replenished, the water injection joint 120 contracts upwards and is drawn out from the water inlet, at the moment, the plugging piece is not in contact with the water injection joint 120 any more, the plugging piece is changed into a plugging state from a avoiding state, the water inlet of the fuselage water tank is plugged, and the water in the fuselage water tank is prevented from splashing out of the water inlet.

In some embodiments of the present invention, the blocking member has a mating plane, the water injection connector 120 is adapted to abut against the mating plane, and one end of the water injection connector 120 facing the sweeper body 200 has a water passing notch 122. The water injection of being convenient for connects 120 and the shutoff piece like this and passes through the contact of cooperation plane, crosses the setting of water breach 122 and can make water injection connect 120 and cooperation plane when the butt cooperates, and water can flow into the fuselage water tank in crossing water breach 122 on the water injection connects 120, and the water in the main water tank of being convenient for passes through water injection joint 120 and gets into in the fuselage water tank to carry out the moisturizing to the fuselage water tank.

Particularly, the upper surface of shutoff piece is arranged in to the cooperation plane, and when the water injection connects 120 downstream, the water injection connects the lower extreme and the cooperation plane butt cooperation of 120, and the water in the water injection connects 120 this moment can follow in flowing into the fuselage water tank in water breach 122, and the water injection connects 120 to have decurrent effort to the shutoff piece, promotes the shutoff piece and removes to dodging the state from the shutoff state, and the water injection of being convenient for connects 120 to get into the fuselage water tank in, carries out the moisturizing for the fuselage water tank. The water passing notch 122 can be formed in the lower end face of the water injection joint 120, the water passing notch 122 can be formed in a semicircular shape, and the lower end face of the water injection joint 120 can be provided with two water passing notches 122, so that water in the water injection joint 120 can flow into the water tank of the machine body through the water passing notches 122 to supplement water for the water tank of the machine body.

In some embodiments of the present invention, the water injection joint 120 has an elastic buffer part 140 at an end facing the sweeper body 200. Due to the arrangement of the elastic buffer part 140, the water injection connector 120 and the sweeper body 200 can be prevented from being scratched, and the water injection connector 120 and the sweeper body 200 can be protected.

Specifically, the elastic buffer part 140 may be made of rubber, and the elastic buffer part 140 may protect the water injection joint 120 and prevent the water injection joint 120 from damaging the sweeper body 200 when contacting the sweeper body 200. The water injection joint 120 can move up and down, the sweeper body 200 can move into the accommodating cavity 130 and can also move out of the accommodating cavity 130, when the water injection joint 120 or the sweeper body 200 moves and the water injection joint 120 is in contact with the sweeper body 200, the elastic buffer part 140 is arranged to change hard touch into soft touch, so that the water injection joint 120 or the sweeper body 200 cannot be damaged when the water injection joint 120 is in contact with the sweeper body 200.

In some embodiments of the present invention, the sweeping robot 1 includes a maintenance station 100, a sweeper body 200, and a water level detection device 300. The maintenance station 100 includes a main water tank, a water injection joint 120, a receiving cavity 130 and an elastic buffer part 140, the sweeper body 200 includes a body water tank and a blocking piece, and the water level detection device 300 includes a first electrode plate 310 and a second electrode plate 320.

Wherein the volume of maintaining the main water tank on the station 100 is greater than the volume of fuselage water tank, and the user carries out the moisturizing to the robot of sweeping the floor 1, only need carry out the moisturizing to the great main water tank of volume on maintaining the station 100, the machine body of sweeping the floor 200 can with maintain the cooperation of station 100 after carrying out cleaning to partly be in holding chamber 130, maintain the station 100 this moment and can carry out the moisturizing to the machine body of sweeping the floor 200 automatically. The water injection joint 120 on the maintenance station 100 can move downwards to be matched with the plugging piece in a contact mode, and drives the plugging piece to move downwards to an avoiding mode, at the moment, the water injection joint 120 enters the machine body water tank, when the water level in the machine body water tank is low, the first electrode plate 310 is not in contact with water through the second electrode plate 320, no electric conduction is realized, water in the main water tank can enter the machine body water tank through the water injection joint 120, when the water level in the machine body water tank reaches a certain height, the first electrode plate 310 is in contact with the water in the machine body water tank through the second electrode plate 320, after the electric conduction occurs, the water injection joint 120 stops water injection, and contracts upwards, at the moment, the plugging piece is changed into the plugging mode from the avoiding mode, the machine body water tank is plugged, and water in the machine body water tank is prevented from splashing.

Wherein, the water level detection device 300 is arranged on the maintenance station 100, and the water level detection device 300 is arranged on the maintenance station 100, so that the number of parts on the sweeper body 200 can be reduced, the cruising ability of the sweeper body 200 is improved, and the volume and the weight of the sweeper body 200 can be conveniently controlled. The water level detection device 300 on the maintenance station 100 can detect the water level in the body water tank, when the water level detection device 300 detects that the water level in the body water tank is low, the maintenance station 100 can replenish water for the body water tank, the water level in the body water tank rises gradually at the moment, and when the water level detection device 300 detects that the water level in the body water tank reaches a certain height, the maintenance station 100 stops replenishing water to the body water tank. The maintenance station 100 can supplement proper water to the water tank of the sweeper body in time, so that excessive or insufficient water in the water tank of the sweeper body can be avoided, and the sweeper body 200 can clean by using the water in the water tank of the sweeper body. Meanwhile, the water level detection device 300 is arranged on the maintenance station 100 instead of the sweeper body 200, so that the number of parts of the sweeper body 200 can be reduced, the weight of the sweeper body 200 can be reduced conveniently, and the overall dimension of the sweeper body 200 can be controlled.

Other constructions and operations according to embodiments of the invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the invention, "on" or "under" a first feature may include that the first and second features are in direct contact, and may also include that the first and second features are not in direct contact but are in contact via another feature between them.

In the description of the invention, "over," "above," and "on" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A sweeping robot is characterized by comprising:

the maintenance station is provided with a main water tank and a water injection joint communicated with the main water tank;

the sweeper body is provided with a sweeper body water tank;

the water level detection device is used for detecting the water level of the machine body water tank and is arranged on the maintenance station and/or the sweeper body.

2. The sweeping robot according to claim 1, wherein the water level detection device is disposed at the maintenance station, and the water level detection device can detect the water level of the water tank of the machine body in a state that the sweeper body is matched with the maintenance station in place.

3. The sweeping robot of claim 1, wherein the water injection joint is telescopically movable, and can extend into the water tank of the machine body when the sweeper body is matched with the maintenance station in place.

4. The sweeping robot of claim 3, wherein the water level detection device is disposed at the water injection joint and moves along with the water injection joint, and the water level detection device can extend into the water tank of the sweeper body when the sweeper body and the maintenance station are matched in place.

5. The floor sweeping robot according to claim 4, wherein the water level detection device comprises a first electrode plate and a second electrode plate, and the first electrode plate and the second electrode plate are respectively arranged on two radial sides of the water injection joint.

6. The sweeper robot of claim 5, wherein each of the first and second electrode pads has a tapered section at an end toward the sweeper body, the tapered section tapering in width in a direction toward the sweeper body.

7. The sweeping robot of claim 5, wherein the outer surface of the water injection joint is sprayed with a hydrophobic material layer.

8. The sweeping robot of claim 3, wherein the maintenance station has an accommodating cavity with a front opening, at least a part of the sweeper body is adapted to fit in the accommodating cavity, and the water injection joint is arranged on an upper wall surface of the accommodating cavity and can move in a vertical direction in a telescopic manner.

9. The sweeping robot according to claim 3, wherein the body water tank has a water inlet, and the body water tank is provided with a blocking piece, and the blocking piece is movable between a blocking state for blocking the water inlet and an avoiding state for avoiding the water inlet.

10. The sweeping robot of claim 9, wherein the water injection fitting is adapted to abut against the blocking member to urge the blocking member to switch from the blocking state to the avoidance state.

11. The sweeping robot of claim 10, wherein the block piece has a mating plane, the water injection fitting is adapted to abut against the mating plane, and an end of the water injection fitting facing the sweeper body has a water passing notch.

12. The sweeping robot of claim 3, wherein an elastic buffer part is arranged at one end of the water injection joint facing the sweeper body.

Images