334results about How to "Save cleaning time" patented technology

The invention relates to an intelligent cleaning robot based on an advanced path programming technology and a cleaning method thereof. An external environment information detection system installed on a robot body, a real-time positioning system, a main control system, a motor driving module and a power supply are included. The external environment information detection system is used for detecting external environment information. The real-time positioning system is used for acquiring a real-time position where the robot is located. The main control system is used for acquiring external environment information and establishing a grid map. Through combining the grid map and the real-time position, a cleaning path is programmed. The motor driving module is used for driving the robot to operate according to the programmed cleaning path and clean. The power supply is used for providing power for the main control system and the motor driving module. A path programming technology of boundary cleaning, rectangular manufacturing, parallel paving and cleaning and obstacle consideration is used to design the cleaning path, a current position is determined in real time, cleaning time is saved and simultaneously a largest coverage rate to an cleaning environment is realized.

A vacuum cleaner with a wet cleaning function comprises a main body, a brush assembly having a contaminant suction port facing a cleaning surface, a brush of the contaminant suction port to rotate in contact with the cleaning surface, and a water exhaust nozzle, the contaminants suction port is fluidly communicated with the main body, and a front and a rear block parts formed at a front and a rear of the brush on a bottom surface of the brush assembly to selectively open or block a contaminant suction path by a friction force against the cleaning surface.

The invention belongs to the field of detergents, in particular to a composition with high-efficiency cleaning function. The present invention rationally matches raw materials such as surfactants, solvents, biological enzymes, and washing aids, synergizes with each other, can quickly penetrate, emulsify, and decompose various oil stains, and has strong detergency. The cleaning agent composition of the present invention has a wide range of decontamination, and can be used on kitchen heavy oily surfaces such as range hoods, stoves, and pools, and can also be used for glass, floors, tabletops, tiles, etc. in general household and office environments after being diluted in different multiples. Washable hard surface cleaning, also has a good cleaning effect on oil stains, lipstick, oily handwriting, shoe polish, and at the same time makes the cleaned surface less prone to stains and easy to clean again. The pH of the cleaning agent of the present invention is weakly alkaline, the quality is mild, the skin is not damaged, and it can be used in direct contact with the skin.

The invention provides a probe cleaning method and a probe cleaning device. The probe cleaning method comprises the steps of providing a probe to be cleaned, adopting a probe cleaning piece to primarily clean the probe to be cleaned, adopting a brush to secondarily clean the probe to be cleaned, thirdly cleaning the probe to be cleaned, namely extracting air of the probe to be cleaned in the third cleaning process, and carrying out the first cleaning process, the second cleaning process and the third cleaning process at the same time. According to the probe cleaning method and the probe cleaning device, probe cleaning efficiency is improved, impurity removing ability is enhanced, probe cleaning time is shortened, accuracy and reliability of wafer testing results are improved, wafer testing time is shortened, and production efficiency is improved.

The invention discloses a flying saucer type photovoltaic cell panel cleaner and a cleaning method thereof, which belong to the field of remotely controlled flying cleaning. The flying saucer type photovoltaic cell panel cleaner comprises a cleaning system, a power system, a control system, a flying system, a communication system and a remote control system; the flying system, the cleaning system, the power system, the control system and the communication system compose a control and actuation mechanism, i.e. a cleaner host, the remote control system composes a remote control mechanism alone, signals are transmitted and received between the remote control system and the cleaner host through wireless communication modules in signal transceiver ports, the remote control system is utilized to set a route and transmit control signals, and the cleaner flies to a target cleaning position (i.e. a photovoltaic cell module to be cleaned) to perform corresponding action to fulfill a sweeping, sucking or wiping process. The flying saucer type photovoltaic cell panel cleaner has a simple structure, is convenient to maintain, is low in cost, and can conveniently clean solar photovoltaic cell panels placed at high positions.

The embodiment of the invention provides a cleaning method and device of an air-conditioner, and relates to the technical field of air-conditioners. The problem of unnecessary cleaning steps which are likely to exist in the cleaning process of an evaporator of the air-conditioner using the existing air-conditioner cleaning method is solved. The cleaning method comprises the steps of acquiring a current running state of the air-conditioner; determining a cleaning mode corresponding to the current running state of the air-conditioner, and cleaning the evaporator of the air-conditioner according to the cleaning mode corresponding to the current running state of the air-conditioner. The cleaning method and device of the air-conditioner are used for cleaning the air-conditioner.

A split reel assembly for a header of a combine harvester is provided. The split reel has two reel assemblies driven by a central support assembly. A pivotable reel finger assembly is incorporated into a medial end of each reel assembly to deflect crop material away from the central support assembly.

The invention discloses a rail-mounted full-automatic tunnel lamp cleaning device and a control system. A longitudinal rail (1) is mounted in a tunnel, near the inner wall of the liner layer (2) of the tunnel, and parallel to the axial line of the tunnel; a traveling gear (3) is mounted on the longitudinal rail (1), and can move along the longitudinal rail (1); a cleaning device (5) is mounted on the traveling gear (3) through an extension device (4). The cleaning device and the control system have the advantages that the design is reasonable; the structures are simple; the cost is low; the conventional highway tunnel lamp can be cleaned without closing the tunnel to traffic; a lamp can be cleaned within 10 seconds, so that the cleaning time is greatly shortened; unmanned full-automatic operation is carried out in the tunnel, so that the operation is convenient, labor power can be saved effectively, the labor intensity of operating staff is reduced, and the potential safety hazard of climbing operation can be eliminated effectively.

The present invention provides a cleaning apparatus of an ion source extraction electrode system, which can eliminate deposit in high speed along a wide area that form a leading-out electrode system of an ion source. The cleaning apparatus comprises the following components: a cleaning gas source (42) which supplies cleaning gas (48) between two opposite electrodes (11,12) of a leading-out electrode system (10), thereby keeping the gas pressure between the two electrodes to a gas pressure for generating glow discharge; and a glow discharge power supply (60) which applies DC voltage between the electrodes (11,12) for generating glow discharge (80). The cleaning apparatus further comprises the following components: an abnormal discharge measurer (84) which measures times (N) of abnormal discharge between the the electrodes (11,12) in preset time; and a power supply controller (86) which controls through the measured time (N) of abnormal discharge for increasing or reducing the output current of the glow discharge power supply (60) for a preset amplitude.

The invention discloses an outside window cleaning drone for buildings and belongs to the field of drones. The outside window cleaning drone for buildings comprises a drone body, a dust scrubber, and four rotor wings arranged on the periphery of the drone body. The dust scrubber, a negative pressure suction device and a walking device are arranged at the bottom of the drone body. A suction support rod is arranged on a side wall or the top of the drone body, the suction support rod and the negative pressure suction device are connected with a vacuum pump, and the suction support rod is formed by connecting multiple sections of rotating rods capable of rotating left and right. The outside window cleaning drone for buildings allows outside windows of residential buildings or office buildings to be cleaned more conveniently, the windows can be cleaned by directly controlling the drone to fly onto the windows, the cleaning efficiency is high, the cleaning method is safer, the windows are better cleaned, and drone withdrawal is faster. The invention further provides a control method of an outside window cleaning drone for buildings. By means of the control method, the outside window cleaning drone for buildings can be controlled efficiently and safely, the cleaning time is reduced, and the cleaning efficiency is improved.

The invention discloses a mobile phone data cable efficient cleaning device. The mobile phone data cable efficient cleaning device comprises a machine shell, a transmission cavity is formed in the left end in the machine shell, a conveying cavity with a rightward opening is formed in the right end in the machine shell, a transmission mechanism for providing power for the device is arranged in thetransmission cavity, a smearing and cleaning mechanism for smearing cleaning liquid for a data cable and cleaning the data cable is arranged on the right end in the conveying cavity, and a conveying and drying mechanism for fixing the data cable and drying the data cable is arranged on the left end in the conveying cavity. During work, cleaning liquid smearing, data cable wiping and data cable drying are integrated, the cleaning time is greatly shortened, the cleaning efficiency can be improved, the rotary cleaning manner is adopted for carrying out comprehensive cleaning and in-time drying onthe data cable, and the cleaning effect is improved.

The invention relates to an online full-automatic cleaning device and method for a lithium battery slit extrusion type coating die head. A die head lip opening and a coating steel roller are included. A cleaning mechanism is arranged between the die head lip opening and the coating steel roller and comprises a cleaning cavity plate. The cleaning cavity plate comprises a seal long strip and a flow guiding arc groove. The end portions of the front end and the rear end of the cleaning cavity plate are connected with an inlet seal plate and an outlet seal plate. The flow guiding arc groove makes contact with the upper slope and the lower slope of the die head lip opening through the seal long strip, and after pressing and sealing, a closed cleaning tunnel is formed. The inlet seal plate and the outlet seal plate make contact with the two ends of the formed closed cleaning tunnel for pressing, circumferential sealing is conducted, an inlet and an outlet are connected with pipelines, and the pipelines are provided with electromagnetic valves. When coating is stopped, the equipment automatically opens various valves, slurry circulation in the die head and die head lip opening slit periodical flushing and blowing-dry cleaning procedures are executed, deposited slurry and air in the die head are avoided, the lip opening slit is free of dry and hard slurry, and the lip opening is clean.

The invention discloses a grooving device for building wall construction. The grooving device comprises a shell. A blade mechanism driven by a motor is arranged in the shell. A hemispherical dustproof cover is arranged on the outer side of the shell. The dustproof cover is internally provided with a dustproof cavity with a leftward opening. The shell is arranged in the dustproof cavity. The left end face of the dustproof cover is provided with rotatable balls. When conducting grooving on a wall, the grooving device can collect impurities generated during grooving to prevent the impurities from directly falling onto the ground, and the later cleaning time is saved. When the grooving device conducts grooving, the blade mechanism is enclosed to prevent dust from escaping outwards. Meanwhile, the grooving device atomizes water to remove dust, the dust removal effect is improved, water resources are saved, the indoor dust concentration is reduced, and harm to dust to body health of construction personnel is reduced.

A discharging device for a vinasse tank, including a flipping component and a lifting component. The flipping component includes convex rods externally connected with opposite side surfaces of the tank, and a frame matched with the tank; the frame includes an outer frame and an inner frame; opposite inner supporting rods of the inner frame are provided with C-shaped grooves having openings downward and matched with the convex rods; respective C-shaped grooves include a through hole penetrating through lower parts of groove walls on both sides; a gear lever matched with the through hole and a first driving mechanism for driving the gear lever to move left and right axially along the through hole are arranged in the inner supporting rod; and a second driving mechanism for driving the inner frame to flip is arranged at a joint between the inner supporting rod and an outer supporting rod.

The invention discloses a method for certifying the out floating upright canister with liquid, which divides the volume of the canister into several parts and certifies individually, get the corrected value's algebraic sum. The measuring comprises outer measuring, inner measuring when the out floating roof fall on the bottom completely, inner measuring when the out floating roof floats completely, reference height measuring, the total height of the tank, the accessories in the tank. The diameter of the girth sheets can be measured through circumference by perisphere ruler or through the radial missing of the girth sheets relative to the base circle based on the measured diameter of the base circle. The measuring of tank bottom is through pulling supporting leg out and setting target on the floating roof. The measuring of reference height can use annular tube ruler with clean function.

The invention relates to an electric sweep board type volleyball collection cleaning vehicle comprising a convey board, a volleyball collection head, a convey belt, cleaners, a volleyball contain box, rollers, and a push rod; the front portion of the convey board is provided with the volleyball collection head; the convey belt, the cleaners and the volleyball contain box are arranged on the convey board; the bottom of the convey board is provided with rollers; the rear portion of the convey board is provided with the push rod; the right end of the volleyball collection head is connected with the convey belt; the right end of the convey belt is connected with the volleyball contain box; the cleaners are arranged above the convey belt. The electric sweep board type volleyball collection cleaning vehicle can fast collect volleyballs, and can automatically clean the volleyballs.

The invention discloses a lens protection device which comprises a camera, a lens, a shell, a water tank, a mini-vacuum pump, an air suction pipe, a first connecting pipe, a drying sleeve, an air return pipe, an electric push rod, a rotating disk, a wiping cotton block, a micro-motor, a sleeve, a pushing rod, a liquid injection pipe, a second connecting pipe, a flat plate, a rotating shaft, a cavity and a through hole. The lens protection device is reasonable in structure and novel in design, the air in a lens can be effectively extracted by the aid of the vacuum pump and the air suction pipe,dust is filtered through water in the water tank, the air is dried and then reflows into the lens, aggregation of the dust in the lens can be effectively avoided, so that cleaning frequency of the lens can be reduced, the service life of the lens is prolonged, the lens is protected, outer lens surface of the lens can be automatically and rapidly cleaned through the wiping cotton block and the micro-motor, the device is convenient to use, cleaning time of the lens can be shortened, and the labor intensity of a user is reduced.

The invention discloses a special efficient foam cleaning disinfectant for farms, and relates to the technical field of disinfectants. The special efficient foam cleaning disinfectant for farms is prepared from the following raw materials in percentage by mass: 7.2-9.5% of sodium alpha-olefin sulfonate, 32-38% of an AOS surfactant, 15-19% of an anionic surfactant, 15-20% of a zwitterionic surfactant, 16-20% of sodium hydroxide, 1-3% of a complexing agent and 1-3% of a corrosion inhibitor. Sodium hydroxide is fully dissolved and uniformly mixed with other raw materials to obtain the disinfectant. According to the special efficient foam cleaning disinfectant special for the farms, the alkaline foam cleaning agent has efficient foaming performance, permeation detergency, disinfection and sterilization capacity and super-strong adhesion capacity, can effectively prevent sediments and inhibit scales and is small in environment corrosion effect, and waste water discharge has no adverse effect on matched ecological water.

The invention discloses a household eggbeater with a function of automatic cleaning. The household eggbeater comprises an eggbeater body, the top of the eggbeater body is welded to an eggbeater head,the left side of the machine head is provided with a cooling fan, a gear-change lever is arranged on the right side of a first switch, a rotary shaft is installed on the lower portion of the right side of the machine head, and the bottom of a second connection head is welded to a fixing base. Protrusion blocks are welded to the bottoms of stirring rods, installation bases are fixedly arranged in the middles of the front surface and the rear surface of the machine body through bolts respectively, clamps are clamped to the right sides of springs, a base is welded to the bottom of the machine body, and a stirring barrel is arranged on the outer side bellow the stirring rods. The twelve stirring rods of the household eggbeater with the function of automatic cleaning are each set to be of an arc-shaped structure, the stirring rods and the protrusion blocks are all made of silica gel, the silica gel is soft so that the inner wall of the stirring barrel cannot be scratched, the protrusion blocks are each set to be of a cuboid structure with an arc-shaped corner, the stressed area is increased, the stirring strength is increased, and the stirring efficiency is improved.

A water treatment device mainly comprises a feed water inlet, a membrane purification unit, a water inlet and a concentrated water outlet which are communicated with a water supply pipeline, wherein raw water flows into the feed water inlet, is purified through the membrane purification unit and then flows out of the water inlet to form purified water, concentrated water is discharged through the concentrated water outlet, and the membrane purification unit further comprises at least one ultrasonic generator which can carry out ultrasonic cleaning operation on a filter element in the membrane purification unit. Compared with the conventional technology, a technology adopts the ultrasonic generator to vibrate dirt which is accumulated in the filter element, the continuously increased water pressure of the filter element during the purification process is utilized to forcefully discharge the dirt with high pressure concentrated water quickly, and thus, the time for cleaning the filter element is shortened; and moreover, according to the water treatment device, the concentrated water outlet is closed during the water purifying process, so that wastewater discharge can be reduced, the purification efficiency is increased, and thus, water resources are effectively saved.

The invention relates to a self-cleaned solar cell assembly with a high conversion rate. The self-cleaned solar cell assembly comprises toughened glass, an EVA adhesive film, a single crystalline silicon solar cell slice, an EVA adhesive film, a backplane, an aluminum-alloy frame, and a DC junction box, and is characterized in that the toughened glass, the EVA adhesive film, the single crystalline silicon solar cell slice, the EVA adhesive film, and the backplane are successively laminated to form an assembly laminated member; the assembly laminated member is subjected to sealed packaging by using the aluminum-alloy frame and silica gel; the single crystalline silicon solar cell slice is electrically connected with the DC junction box after being welded on a busbar; the toughened glass is low-iron ultra-white toughened glass with a light-receiving surface plated with a hydrophobic antireflection film; the backplane is an aluminum-alloy backplane with double surfaces plated with anode oxide films; a small polyester film is arranged between the aluminum-alloy backplane and the busbar exposing the upper EVA adhesive film; and water leakage holes are arranged on both ends of a long side of the aluminum-alloy frame.

The invention provides a large-area plane efficient cleaning device. The device comprises a first edge brush assembly, a second edge brush assembly, a double-roller brush cleaning assembly, a surfaceto be cleaned and a conduction assembly; and the first edge brush assembly and the second edge brush assembly are arranged at the two ends of the surface to be cleaned correspondingly, the conductionassembly is arranged between the first edge brush assembly and the second edge brush assembly, the conduction assembly is connected with the first edge brush assembly and the second edge brush assembly correspondingly, the double-roller brush cleaning assembly is arranged below the conduction assembly, and the double-roller brush cleaning assembly is connected with the conduction assembly. The device has the beneficial effects that the cleaning efficiency can be effectively improved, the cleaning time is saved, the device is suitable for large-area photovoltaic power stations of various different types, the investment cost is low, the device is convenient to detach and transport, and the device has the advantages of being time-saving and labor-saving, good in cleaning effect, energy-savingand environment-friendly and the like.

The invention discloses a folding brush disc for quickly cleaning chewing gum on the ground. The folding brush disc is characterized in that bristles are laid on the bottom surfaces of two brush plates, mounting holes are formed in the centers of the brush plates, the bottom of a main support rod is hinged to the mounting holes, and the two brush plates can rotate around respective hinged locations, and included angles of 30-90 degrees can be formed between the brush plates and the main support rod; two ends of each telescopic rod are rotatably connected with the outer wall of the main support rod and the top surface of the corresponding brush plate, and the two telescopic rods are uniformly arranged around the peripheral direction; a driving motor is arranged on the top of the main support rod, is connected with the main support rod by connecting pieces and can drive the main support rod to rotate around the central axis of the main support rod. The main support rod is a hollow stainless steel tube, slide grooves are formed in the inner wall of the main support rod along the height direction of the main support rod, stainless steel brushes are slidably embedded in the slide grooves, and an opening in the bottom of the main support rod is sealed by means of blocking. The folding brush disc has the advantages that the folding brush disc is simple in structure and convenient to use and can be quickly dried by means of spinning, the chewing gum can be quickly cleaned by the folding brush disc, and the cleaning time can be saved.

The invention discloses a dust-proof computer mainframe which is easy to move. Socket, and the left end column is installed on the left side of the upper end of the main body of the chassis, the right end column is arranged on the right side of the left end column, and the right end column is connected with a handle, and both ends of the handle are provided with handle grooves, and the handle The left end column is connected inside the hand groove, a polished rod bearing is installed under the rear end of the main body of the chassis, and a connecting hole is connected to the outer end of the polished rod bearing, a dust cover is arranged outside the connecting hole, and a Air exhaust holes, and casters are installed under the main body of the chassis. The easy-to-move dust-proof computer mainframe can be moved conveniently without using great strength, and will not make it difficult to clean a large amount of dust accumulated in the connection lines behind the mainframe, saving cleaning time.

The invention relates to a self-cleaning solar cell module which comprises tempered glass, an EVA adhesive film, an antireflection film, a single crystalline silicon solar cell piece, an EVA adhesive film, a backboard, an aluminium alloy frame and a DC conjunction box. The tempered glass is low-iron ultra-clear tempered glass, of which the light receiving surface is plated with a hydrophobic antireflection film; and the two ends of one long frame of the aluminium alloy frame are provided with water leakage holes, so that rainwater or dew with dusts deposited in the frame are allowed to flow away from the water leakage holes. The production process of the self-cleaning solar cell module comprises the following steps: preparing the tempered glass having the hydrophobic antireflection film, preparing the single crystalline silicon solar cell piece, preparing an assembly lamination piece, carrying out trimming and framing up, welding the DC conjunction box, and carrying out module test.

The invention discloses a super-simple blowing-carding technology and a device thereof, and belongs to the technical field of yarn production. The super-simple blowing-carding device is characterized by comprising a bale plucker, a combined type multifunctional cotton box and a carding machine, wherein the combined type multifunctional cotton box comprises a box body, and a cotton condensing box is arranged at the upper part of the box body and comprises a fan and an opening guide roller; an increasing opening beater is arranged below the cotton condensing box, and connected with the cotton condensing box through a first cotton feeding roller; the increasing opening beater comprises three groups of opening beaters which are sequentially arranged in the box body; a second cotton feeding roller provided with an inclined plate is connected below the increasing opening beater; the inclined plate is connected with the combined type multifunctional cotton box and the carding device; and the carding device comprises a third cotton feeding roller, a licker in, a cylinder, a doffer and a can coiler. The super-simple blowing-carding technology has short technological process, and has low energy consumption and high production efficiency, and is extremely suitable for the production of small colored spinning orders.

The invention discloses a cleaning agent of a koji-making plant for preparing koji and relates to the technical field of cleaning agents. The cleaning agent is prepared from the following raw materials in parts by weight: 35-40 parts of folium ginkgo, 25-30 parts of citrus peels, 15-20 parts of tea seed cake, 15-20 parts of straw powder, 12-16 parts of distillers' grains, 10-15 parts of lemon peel, 10-15 parts of shaddock peel, 8-12 parts of a disinsection mould inhibitor, 8-12 parts of sodium lignin sulfonate, 6-10 parts of phosphate betaine, 5-8 parts of soda ash, 5-8 parts of acetate, 3-6 parts of ethylene glycol butyl ether and 500-600 parts of water. The prepared cleaning agent is fragrant in taste, convenient to use and low in preparation cost, and not only has an excellent cleaning effect, but also greatly shortens the cleaning time; owing to the use of the disinsection mould inhibitor, the koji-making plant can be subjected to insecticide and prevented from moulding while being cleaned, so that the cleaning state of the koji-making plant can be improved to facilitate growth of fungi.

The invention discloses an environmental protection device capable of recycling domestic water. The environmental protection device capable of recycling the domestic water includes a main body, filtering nets, pull wires, a motor, a connecting shaft, a smashing device, a sleeving-connecting gear, a baffle, a discharge hole, a discharge opening, a water gathering tank, a filter, a flow guiding pipeand a water guiding pipe. A water tank is embedded in a body wall of one side of the main body, and a water tap is installed on the side, close to the main body, of the water tank; the filtering netsare installed on the other side of the water tank, and the flow guiding plate is connected to the end, away from the water tank, of the filtering nets; and an automatic reset shaft is installed at the end, away from the flow guiding plate, of a connecting rod. The environmental protection device capable of recycling the domestic water is provided with the filtering nets which can intercept fruitpeel and vegetables discharged from the water tank; and the filtering nets are installed under the water tank, when fruits and vegetables are cleaned, the fruit peel and the vegetables can be discarded directly in the water tank and flow directly into the filtering nets with the water flow, the cleaning time is saved, and drainage cannot be affected by the filtering nets.

The invention relates to the technical field of path planning, and discloses a path planning method and a cleaning robot, and the path planning method comprises the steps: obtaining a grid map, wherein the grid map comprises regional grids, and the regional grids are grids used for representing a to-be-cleaned region; determining the pre-estimated number corresponding to each area grid, wherein the pre-estimated number is that the area grid serves as an initial cleaning point, and the number of arch-shaped main paths through which the cleaning robot needs to pass for achieving arch-shaped full-coverage cleaning of the to-be-cleaned area is pre-estimated; according to the pre-estimated number corresponding to each area grid, determining an optimal initial pose; and planning a cleaning path of the to-be-cleaned area according to the optimal initial pose. According to the path planning method provided by the embodiment of the invention, the optimal initial pose can be determined by scientifically estimating the number of paths possibly passing through the arch-shaped main path, and the cleaning path of the to-be-cleaned area is planned according to the optimal initial pose, so the turning frequency of the cleaning robot can be reduced, the cleaning time is saved, and the cleaning efficiency is improved.

The invention discloses a water tank assembly and steam equipment. The water tank assembly comprises a water tank (8); a water supply channel (82) is formed in the water tank (8); the water supply channel (82) is positioned in a non-bottom panel of the water tank (8); the water tank assembly also comprises a power device which is communicated with the water supply channel (82) and is used for driving liquid to flow out of and flow into the water tank (8), and a suction pipe structure (7) which is connected with the water supply channel (82) and extends into the water tank (8). According to the water tank assembly provided by the invention, water is prevented from being accumulated in the water supply channel and a connecting part which is connected with the water supply channel, so that the water is not accumulated near the water supply channel; therefore, the situation that accumulated water flows out to pollute the interior of the equipment during assembling and disassembling processes is avoided; the safety and sanitation performance of the overall equipment is improved; the accumulated water in cleaning equipment is avoided; a user can clean the water tank assembly conveniently; the cleaning time is shortened; the cleaning efficiency is improved.