1333 results about "Dirt" patented technology

The invention is suitable for the field of intelligent jet cleaning, and provides a dirt recognition cleaning method, device and equipment, and the dirt recognition cleaning method comprises the steps: obtaining an original image corresponding to target dirt and a sound reflection signal corresponding to the target dirt; converting the sound reflection signal corresponding to the target dirt into an image representation; obtaining a fused image corresponding to the target dirt according to the original image corresponding to the target dirt, the image representation and a preset multi-channel image fusion algorithm; inputting a fusion image corresponding to the target dirt into the improved deep neural network to obtain segmentation mask data and size data of the target dirt; adjusting the pose of the dirt cleaning equipment according to the segmentation mask data and a preset coordinate conversion algorithm; according to the size data of the target dirt, dirt cleaning parameters are adjusted, and dirt cleaning equipment is controlled to execute cleaning operation. According to the method, the dirt recognition and cleaning precision and efficiency are remarkably improved, and various cleaning requirements and operation environments can be better met.

The invention discloses three-proofing cloth coating thickness detection equipment, and relates to the technical field of three-proofing cloth laser detection. A detection assembly is fixedly mounted on the right side of the top surface of the detection platform and comprises a detection base, and the detection base is of a hollow structure so that the three-proofing cloth can penetrate through the interior of the detection base; wherein laser detectors are fixedly mounted on the front side and the rear side of the interior of the detection base correspondingly, and the laser detectors detect the coating thickness of the three-proofing cloth by emitting and receiving detection light beams on the upper side and the lower side of the three-proofing cloth. According to the three-proofing cloth coating thickness detection equipment, the three-proofing cloth is conveyed through the unwinding unit and the winding unit, the dust removal mechanism assists in cleaning and collecting attached dust and dirt, and meanwhile, the wrinkle removal mechanism corrects the three-proofing cloth and then removes wrinkles, so that the smooth three-proofing cloth is subjected to coating thickness detection through a detection light beam, and the detection efficiency is improved. And the influence of factors such as dust, wrinkles and the like on laser detection data is avoided.

The energy management method based on the automatic cleaning system of the buoy ship for the river comprises the steps that the surface dirt area and dirt thickness of the buoy ship are collected and input into a pollution degree evaluation model, and the cleanliness level is judged; constructing a relation model of the cleanliness grade, the water pump power and the nozzle spraying angle; based on the output power and the operation time of the electric cleaning machine of the buoy ship under different cleaning degree grades, the corresponding relation between the actual cleaning degree grade and the output power and the operation time of the electric cleaning machine of the buoy ship is obtained, and a relation model between the cleaning degree grade and the output power and the operation time of the electric cleaning machine of the buoy ship is constructed; taking the minimum total energy consumption of the water pump and the electric cleaning machine as a target, solving a water pump output power model by using a differential evolution algorithm, updating the output power of the electric cleaning machine in real time, and obtaining an optimal energy-saving scheme of the automatic cleaning system of the buoy ship for the river. On the premise of guaranteeing the cleaning effect, the method reduces the overall power consumption of the system to the maximum extent, improves the energy utilization efficiency and prolongs the service life of equipment.

The invention discloses a dirt treatment method, a dirt treatment system and a cleaning device, and relates to the technical field of smart home. The smudginess processing method comprises the following steps: acquiring a first optical image and a second infrared image of a detection area; performing first smudge detection on the first optical image based on a first detection model to obtain a first detection result; performing second smudge detection on the second infrared image based on a second detection model to obtain a second detection result, wherein the first detection model is the same as or different from the second detection model; and fusing the first detection result and the second detection result to output a planning instruction for the intelligent cleaning equipment based on the fused detection result. According to the invention, the first optical image and the second infrared image of the detection area are obtained, and the corresponding detection models are respectively utilized to carry out different smudginess detection, so that smudginess of different types can be detected, and the fusion detection result can be output, and therefore, the detection rate of ground smudginess can be significantly improved, and the cleaning effect can be improved.

A cleaning apparatus includes: a robot cleaner including a motion driver, and a dust bin to store dirt; a station including a dirt container, a seating portion on which the robot cleaner is seated and including an inlet through which the dirt is introduced from the dust bin; and at least one processor to control operations of the robot cleaner and the station. The robot cleaner further includes a location detection sensor configured to obtain information about a location of the robot cleaner, the station further includes a pressure sensor configured to obtain information about a pressure inside the dirt collection duct, and the at least one processor is configured to control the motion driver to adjust the location of the robot cleaner to allow an opening of the dust bin to correspond to the inlet based on the information obtained by the location detection sensor and the pressure sensor.

The embodiment of the invention provides a cleaning method of cleaning equipment, the cleaning equipment comprises a suction motor, a floor brush body and a rolling brush arranged on the floor brush body, the suction motor is used for generating suction force capable of taking away garbage at the rolling brush, and the cleaning method comprises the steps that in response to a cleaning instruction for heavy dirt on a to-be-cleaned surface, the cleaning equipment is controlled to enter a scraping and washing mode, the scraping and washing mode comprises a first stage and a second stage which are executed in sequence; in the first stage and the second stage, the rolling brush is controlled to alternately rotate forwards and backwards, so that the rolling brush drives the floor brush body to reciprocate on the surface to be cleaned while repeatedly scrubbing the heavy dirt; wherein the power of the suction motor in the first stage is greater than that of the suction motor in the second stage. The rolling brush rotates forwards and backwards to drive the floor brush to move in a reciprocating mode to scrape and wash heavy dirt, and a user almost does not need to exert force even if holding the handrail. And the cleaning effect on heavy dirt is improved, and the use experience of the equipment is also improved.

The utility model relates to the technical field of clothes care machines, and discloses a clothes drying and protecting cabinet with a micro-washing decontamination device, which comprises a machine main body, a control device, a heating body in the machine main body, a fan, a drying cavity, a door for sealing the drying cavity and a spraying device electrically connected with the control device, the spraying device is positioned in the drying cavity, and a spraying hole of the spraying device faces the interior of the drying cavity. The water tank is used for storing water, the decontamination tank is used for storing cleaning liquid, and the spraying device is communicated with the water tank and the decontamination tank.

The utility model discloses an inner cylinder of a washing and drying all-in-one machine, which comprises a cylinder bottom frame, a cylinder bottom frame, a cylinder bottom frame and a cylinder bottom frame, the cylinder bottom frame is of a wheel-shaped structure and comprises a hub, spokes and a rim, and the spokes are connected between the hub and the rim; the bottom of the barrel body is connected to the periphery of the rim in a sleeving mode, and a splicing seam of the barrel body and the rim is filled with a sealing rubber ring; and the cylinder bottom plate is installed on the bottom side of the cylinder bottom frame, and a first sealing gasket is arranged between the cylinder bottom plate and the cylinder bottom frame in a cushioned mode so as to fill a splicing gap between the cylinder bottom plate and the cylinder bottom frame. According to the scheme, the problem of secondary pollution to clothes caused by dirt accumulated in gaps of a traditional splicing structure can be effectively solved, the washing hygiene is improved, and the washing machine is particularly suitable for sensitive clothes or scenes with high hygiene requirements.

The utility model discloses a liquid level floating dirt cleaning base station and a liquid level cleaning system, the liquid level floating dirt cleaning base station comprises a machine body, a power part and a filtering piece, the machine body forms a base station inlet, a base station outlet and a base station flow channel; at least part of the base station inlet is exposed on the liquid level of the pool, and the included angle between the orientation of the base station outlet and the orientation of the base station inlet is smaller than 90 degrees; or the to-be-filled pool wall and / or liquid level floating dirt cleaning base station forms a reflecting surface on one side, far away from the base station inlet, of the base station outlet. According to the utility model, enough liquid level difference can be formed at the base station inlet to drive floating dirt to enter the base station flow channel; the water flow discharged outwards from the base station outlet forms enough water flow pressure to drive the floating dirt to flow towards the base station inlet, so that the floating dirt can enter the base station inlet more smoothly and quickly.

The invention relates to a cleaning method of a cleaning robot and related equipment thereof. The method comprises the following steps: acquiring a map comprising one or more room areas; generating a first patrol path passing through each room area; the cleaning robot is controlled to move along the first patrol path, in the moving process, the environment detection device is used for detecting smudginess information of all the room areas, and the smudginess information comprises the positions, the areas and the smudginess types of the smudginess areas; planning a cleaning path for cleaning a target room area according to the smudginess information, wherein the target room area is a room area containing a smudginess area; and controlling the cleaning robot to clean the target room area along the cleaning path. According to the invention, the problem of long cleaning time consumption of the cleaning robot in the prior art is solved, and the cleaning time is saved.

A cleaning device and a control method of the cleaning device are provided. The cleaning device includes a cleaner including a cleaner suction device that generates a suction force, a dust bin that collects dirt, a dust bin cover to open and close the dust bin, and a cleaner controller that controls an operation of the cleaner suction device; and a docking station, to which the cleaner is coupleable and decoupleable, to collect dirt in the dust bin based on the cleaner being coupled thereto, the docking station including a cover closing device provided to close the dust bin cover based on the predetermined cover closing condition. The cleaner control unit controls the cleaner suction device to generate a suction force to draw air into the dust bin based on the cover closing device closing the dust bin cover and the predetermined cover closing condition being met.

The invention provides cleaning equipment, a control method thereof and a cleaning system. The cleaning equipment comprises a ground brush, a first tangent line and a second tangent line are arranged on the front side rolling brush face of the rolling brush, the first tangent line is perpendicular to a to-be-cleaned face, and an angle is formed between the second tangent line and the to-be-cleaned face. An area formed by the first tangent line, the second tangent line and the to-be-cleaned surface is configured as a first area; the scraping strip assembly is used for scraping dirt on the surface to be cleaned; the control method comprises the steps that when the cleaning equipment moves away from a user, a first cleaning mode control instruction is obtained, the cleaning equipment is controlled to enter a first cleaning mode, in the first cleaning mode, the scraping strip is controlled to be away from the to-be-cleaned face, and the bottom of the scraping strip assembly is controlled to be at least higher than the upper end of the first area. According to the cleaning equipment, the control method thereof and the cleaning system provided by the embodiment of the invention, the cleaning part can be lifted to cross garbage when the cleaning part is pushed forwards and encounters an obstacle, the situation that the cleaning part pushes the garbage due to insufficient height is avoided, and the cleaning smoothness and user experience are improved.

The utility model relates to the field of bathroom facilities, in particular to a pedestal pan which comprises a barrel body (1) and a pipeline (2) connected with the barrel body. The barrel body comprises a dirt falling opening (12) formed in the bottom of the barrel body, and a spraying opening (15) is formed below the dirt falling opening. The pipeline comprises a pipeline opening (21), an ascending section (22), a descending section (23) and a pollution discharge section (24), wherein the ascending section (22), the descending section (23) and the pollution discharge section (24) are sequentially connected end to end. The connecting position of the ascending section and the descending section is the highest point of the ascending section and the descending section. The direction of the jet orifice is opposite to the pipeline orifice. And the pipe diameters of the ascending section and the descending section are gradually reduced along the water flow direction. The ratio of the sectional area of the pipeline opening to the area of a first section (221) between the ascending section and the descending section is 1: 0.52-1: 0.72, and the ratio of the sectional area of the pipeline opening to the area of a second section (231) between the descending section and the pollution discharge section is 1: 0.53-1: 0.63. According to the pipeline with the ratio, more flushing dirt can be quickly discharged, the flushing capacity of the pedestal pan is improved, and blockage can be reduced due to the increased pipe diameter.

The invention relates to a cleaning method of a cleaning robot and related equipment. The method comprises the following steps: acquiring image data of a to-be-cleaned area, and determining the type and area of dirt according to the image data; according to the type and the area of the smudginess, the smudginess degree of the smudginess is graded, and a smudginess grading result is obtained; and according to a dirt grading result, matching a corresponding cleaning mode to clean the dirt. Through the method and the device, the technical problem that a cleaning robot cannot effectively recognize the type and the degree of dirt on the ground in the related technology, so that a one-step cleaning strategy is adopted, and complex and variable cleaning requirements are difficult to adapt is solved, and the purposes that the most effective cleaning mode can be selected in a targeted mode, invalid cleaning is reduced, and the cleaning efficiency is improved are achieved. And the cleaning efficiency is obviously improved.

A mud treatment system that can be used during emergencies is disclosed. The system includes an autonomous vehicle carrying a mud treatment device. In response to information about a mud-related disaster at a specific location, the system will instruct the vehicle to travel to the location, enter a building, and dispense one or more applications of mud softener in the interior space of the building. The vehicle can navigate from room to room and determine whether moisture content levels are below a specified threshold. In response, the vehicle can direct its mud or dirt softening efforts to these specific zones.

The invention discloses a camera smudginess cleaning method, a vehicle and a medium, the method is applied to a lens cleaning system comprising an infrared sensor used for collecting reflection intensity, a piezoelectric film sensor used for collecting vibration signals and a lens cleaning assembly, and the method comprises the steps that smudginess detection signals are obtained, the smudginess detection signal comprises a target image collected by a target camera, reflection intensity and vibration frequency; determining the current smudginess level of the target lens according to the smudginess detection signal; based on a pre-constructed first mapping relation, obtaining a target cleaning strategy corresponding to the current smudginess level; the first mapping relation is a corresponding relation between the dirt level and the cleaning strategy; and controlling the lens cleaning assembly to clean the target lens according to the target cleaning strategy. Therefore, in combination with the multi-dimensional smudginess detection signals of the image, the reflection intensity and the vibration frequency, precise judgment of the smudginess state is achieved, different cleaning strategies are set according to different smudginess levels, and the optimal cleaning effect is achieved efficiently.

The invention provides a cleaning module and cleaning equipment, and relates to the technical field of cleaning equipment. The cleaning module comprises a cleaning support, a cleaning piece, a dirt scraping mechanism and a driving mechanism. The cleaning part is rotationally mounted on the cleaning bracket, and is configured to interfere with a to-be-cleaned surface to clean the to-be-cleaned surface; the dirt scraping mechanism is installed on the cleaning support, and at least part of the dirt scraping mechanism interferes with the cleaning piece so as to scrape dirt on the cleaning piece when the cleaning piece moves; the driving mechanism drives the dirt scraping mechanism and the cleaning support to move relatively so as to actively adjust the interference amount of the dirt scraping mechanism and the cleaning piece. The interference amount of the cleaning piece is adjusted according to needs, the use requirements of different scenes are met, and the self-cleaning effect is improved.

The invention provides a micro-aperture endoscopic detection and directional cleaning method which comprises the following steps: acquiring an inner wall image and medium information of a target pipeline, and performing feature analysis on the inner wall image to obtain a dirt type; determining the spraying state of a nozzle according to the dirt type; wherein the injection state comprises injection pressure and injection direction; cleaning liquid information is determined according to the spraying state and the medium information; wherein the cleaning fluid information comprises cleaning fluid types and a cleaning fluid proportion, and the cleaning fluid types comprise external cleaning fluid and / or pipeline medium fluid; and generating a directional cleaning scheme for the target pipeline according to the spraying state and the cleaning liquid information. The position and the type of the dirt are determined by obtaining the internal image, the dirt is removed in a targeted mode, the equipment applicability is improved, the working efficiency is improved, and meanwhile damage to the pipeline is reduced.

The invention belongs to the technical field of operation monitoring of ultrasonic cleaning machines, and particularly discloses and provides an ultrasonic cleaning machine remote monitoring and diagnosis method based on the Internet of Things, and the method comprises the steps: matching a cleaning mode according to the smudginess information of an object to be cleaned, and the total duration, the cleaning standard and the cleaning operation index of each cleaning stage in the corresponding mode; when cleaning is executed, bubble parameters, water body parameters and cleaned object surface dirt state parameters at the current stage are collected in real time; performing collaborative analysis on the bubble and water body parameters, starting dirt state verification, and if an abnormal signal is triggered or a cleaning standard is not reached, marking an abnormal stage and identifying an abnormal index and degree; if the abnormal stage is not completed or is not the final stage, dynamically adjusting and recording the cleaning strategy based on the abnormal index and degree; after all the stages are completed, a cleaning efficiency diagnosis report is generated according to the positions and degrees of the abnormal stages and then uploaded to the cloud. Therefore, precise remote diagnosis and processing of the cleaning machine are realized.

The invention relates to a control method of a cleaning robot and related equipment thereof. The method comprises the steps that the smudginess type and the smudginess area of the ground to be cleaned are obtained, and the smudginess type comprises liquid smudginess; and under the condition that the dirty area with the liquid dirt exists on the ground to be cleaned, the machine body of the cleaning robot is turned around, the cleaning robot is driven to conduct cleaning operation in the backing posture, and the wet type cleaning piece is used for cleaning the liquid dirt in the dirty area. By means of the cleaning robot, the problem that a dry type cleaning piece of the cleaning robot is prone to being wetted when liquid dirt is cleaned is solved, the dry type cleaning piece of the cleaning robot is prevented from being wetted, and therefore the cleaning effect on the ground containing the liquid dirt is improved.

1. The name of the design product: cleaning brush for barbecue oven. 2. The use of the design product: the design product is used for cleaning dirt such as oil stains, dust and the like on the barbecue oven. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention relates to the technical field of oil pipe wrenches, and particularly discloses an anti-skid oil pipe wrench suitable for an oil contamination environment, which comprises a fixed base, an upper clamping plate is slidably connected to the side surface of the fixed base, an upper handle is fixedly connected to the side surface of the fixed base, and a clamping device is fixedly connected to the center position of the side surface of the fixed base. A lower clamping plate is slidably connected to the position, located below the upper clamping plate, of the side face of the fixing base, an upper supporting base is rotatably connected to the bottom of the fixing frame, an upper sliding strip is fixedly connected to the position, located on one side of the upper supporting base, of the bottom of the fixing frame, and an upper rack is fixedly connected to the center of the bottom of the upper base; the side face of the upper base is slidably connected with the side face of the fixed base, the side face of the upper rack is meshed with the side face of the clamping device, and the anti-skid oil pipe wrench suitable for the oil contamination environment achieves the purpose of preventing grease from sliding and being difficult to rotate.

The utility model discloses a main machine and cleaning equipment, and relates to the technical field of cleaning equipment.The main machine comprises a seat body provided with an installation position used for installing a dirt storage box; the fan, the battery, the universal wheel and the two driving wheels are installed on the base body, the fan, the battery and the universal wheel are located on the front side of the installation position, and the two driving wheels are located on the left side and the right side of the installation position respectively. According to the technical scheme provided by the utility model, the problem that the space for installing the dirt storage tank of the existing cleaning equipment is small can be solved.

The utility model provides an auxiliary ball mounting device for bearing machining, which relates to the technical field of bearing machining and comprises a workbench, a fixing frame is fixedly mounted at the top of the workbench, an air cylinder is in threaded connection with the interior of the fixing frame through a screw, and a movable transverse rod is fixedly mounted on one side, far away from the fixing frame, of the air cylinder. The two ends of the movable transverse rod are both slidably connected with sliding ring sleeves, and the two ends of the sliding ring sleeves are tightly attached to the inner wall of the fixing frame. According to the utility model, on one hand, through the design of the eccentric rotating wheel and the detachable fixing rod, the device can be quickly adjusted to adapt to bearings with different specifications and models, so that the universality and the flexibility of the device are greatly improved; on the other hand, the cleaning mechanism with the water pump matched with the water tank is arranged at the top of the workbench, oil stains and dust on the workbench surface can be effectively cleaned, the influence of accumulated dust and dirt on the performance of the device is reduced, the production efficiency is improved, and the service life of the device is prolonged.

The full-automatic cleaning machine comprises a cleaning machine main body, the cleaning machine main body is provided with a transfer device, a dismounting system, a cleaning system and an assembling system, the dismounting system comprises a moving device and a clamping assembly arranged at the output end of the moving device, and the clamping assembly is arranged at the output end of the moving device. The clamping assembly is matched with the moving device to separate an inner ring, an outer ring and a retainer of the bearing; the cleaning system comprises a scrubbing module, the scrubbing module comprises a positioning device and a rolling brush device, and the rolling brush device is used for cleaning the inner ring or the outer ring positioned by the positioning device. The bearing cleaning device has the following advantages and effects that a new mechanical structure is utilized in the scheme, the bearing is cleaned after being disassembled, and the dirt removing capacity is high.

The utility model discloses a water heating pipeline exhausting and dirt removing device which comprises an exhausting and dirt removing mechanism and a dirt remover, the top of the dirt remover is fixedly connected with a top cover, a filter screen is arranged in an inner cavity of the dirt remover, a cleaning assembly is arranged in the filter screen, a fixing assembly is arranged in the inner cavity of the dirt remover, and an exhausting assembly is arranged in the top cover. According to the device, the water inlet pipe is connected with the water inlet valve on the water heating pipeline, the water outlet pipe is connected with the water outlet valve on the water heating pipeline, the connecting pipe of the filter screen can be in contact and fit with the inner side of the water inlet pipe through the placing plate and the guide plate, and when liquid in the water heating pipeline enters the dirt separator through the water inlet pipe, the liquid is filtered through the filter screen; the filtered liquid is discharged through the water outlet pipe; the motor works, the rotating roller drives the cleaning side rod and the cleaning bottom rod to rotate, the bottom and the side wall of the filter screen can be cleaned, and the situation that dirt is attached to the filter screen, so that the permeability of the filter screen is poor, and the flow of liquid is affected is avoided.

The invention relates to a dirt box assembly and a surface cleaning device, and the dirt box assembly comprises a dirt box which is provided with a wet chamber used for receiving dirt liquid, and the wet chamber is provided with one or more dirt liquid inlets located at the top of the dirt box; the lifting handle can be rotatably connected to the dirt box around a first axis at an unfolding position and a folding position; the one or more plugging pieces can move between a closing position for plugging the one or more dirty liquid inlets and an opening position far away from the one or more dirty liquid inlets; the blocking piece and the handle are arranged in a linkage mode so that rotation of the handle between the unfolding position and the folding position can trigger the blocking piece to move between the closing position and the opening position. According to the dirt box assembly, the lifting handle and the blocking piece for blocking the dirt liquid inlet of the wet bin chamber are arranged to be in linkage, when a user moves out of the dirt box assembly, the dirt liquid inlet can be automatically closed by triggering the lifting handle to act, and therefore the situation that dirt liquid overflows from the dirt liquid inlet due to carrying shaking and the like is avoided.

The utility model relates to motor production and processing technical field, especially a kind of shell cleaning device. Including base, cleaning mechanism, linear module and bearing mechanism;Cleaning mechanism is connected in base by linear module, and cleaning mechanism is used to clean shell;Linear module is used to drive cleaning mechanism linear motion and completely pass through shell, to clean shell comprehensively in this way;Bearing mechanism is connected on base and relative to the part of cleaning mechanism, and bearing mechanism is used to connect shell by the way of sleeve joint.The utility model can clean the inner and outer layers of shell simultaneously by the cooperation of cleaning mechanism and linear module, to remove the dirt on the inner and outer layers;By bearing mechanism, shell can be gradually separated from the cleaning mechanism under the promotion of cleaning progress, and the inner cleaning part of cleaning mechanism plays a connecting role on shell during the separation process, so that the stability of shell can be maintained, and the shell can be cleaned comprehensively.

The utility model relates to the field of universal wheels, and discloses an all-plastic support universal household wheel which comprises a rotating column and a shell, a mounting mechanism is arranged at the upper end of the rotating column, cleaning mechanisms are arranged on the two sides of the shell, the mounting mechanism comprises a mounting plate, the upper end of the rotating column is rotationally connected with a connecting plate, and the connecting plate is connected with a rotating shaft. Cavities are formed in the four corners of the lower end of the connecting plate, threaded rods are rotationally connected to the inner top faces of the multiple cavities correspondingly, the outer walls of the multiple threaded rods are sleeved with threaded sleeves correspondingly, connecting rods are fixedly connected to the two sides of the upper ends of the multiple threaded sleeves correspondingly, and protruding blocks are fixedly connected to the upper ends of the adjacent connecting rods correspondingly. According to the wheel cleaning brush, after the mounting plate is fixed to the bottom of a house, the threaded rod and the threaded sleeve are rotated to drive the connecting rod so that the protruding block and the mounting plate can be clamped, reverse operation can be carried out when mounting and dismounting are completed, stains and chippings can be easily removed through the brush when the wheel is cleaned, and only the magnetic attraction block and the connecting block need to be separated without tools when the brush is replaced.

The utility model discloses a stainless steel water tank which comprises a water tank main body, and first ribbing steps used for placing shelf kitchen ware are arranged below the front side wall and the rear side wall of the water tank main body; the shelf chopping board can be transversely placed on the first ribbing step in a sliding manner; the bottom of the water tank main body is inclined towards one transverse side, and the side is provided with a dirt collecting groove which is sunken downwards; the sewage collecting groove is provided with a water outlet; when the shelf chopping board moves towards one side of the dirt collecting groove, the shelf chopping board can completely shield the upper part of the dirt collecting groove; when the shelf chopping board groove moves away from one side of the dirt collecting groove, the shelf chopping board, the bottom of the water tank main body and the dirt collecting groove can form a three-layer stepped structure. According to the utility model, the eccentric layout of the water outlet and the dirt collecting groove is combined with the stepped flow guide surface to form a dynamic visual drainage path, and a continuous water film effect is generated when water flows through the hierarchical structure, so that efficient dirt discharge and ornamental value are achieved, and the dual requirements of modern kitchens on practicability and spatial aesthetics are met.