346results about How to "Clean in time" patented technology

The invention discloses an air conditioner outdoor unit cleaning method, device and system and an air conditioner, and belongs to the field of air conditioner cleaning. The method comprises the following steps: firstly, acquiring the networking condition of the air conditioner, acquiring real-time weather when the air conditioner is always networked, then determining a smudginess value according to the real-time weather, and when the smudginess value is greater than or equal to a preset smudginess value, controlling an outdoor unit of the air conditioner to start self-cleaning and resetting the smudginess value. Under the networking condition, only the air quality and the air humidity need to be obtained through the network, the smudginess degree of the outdoor unit can be determined based on the air quality and the air humidity, then whether self-cleaning is started or not is determined, a sensor does not need to be additionally installed, it is guaranteed that the air conditioner outdoor unit can be cleaned in time, and meanwhile additional cost does not need to be increased.

The utility model relates to a car washing machine for engineering. The car washing machine comprises a base, a truss structure arranged on the base, a first cleaning device, a second cleaning device, a flushing device and an air blowing device. The base comprises a pre-wetting section, a washing water shaking section and an air drying section; the pre-wetting section, the washing water shaking section and the air drying section are sequentially arranged in the length direction of the base; the first cleaning device is arranged at the end, connected with the washing water shaking section, of the pre-wetting section. The second cleaning device is arranged on the washing water shaking section; the flushing device is laid along the flushing water shaking section and the air drying section; the air blowing device is arranged on the air drying section. According to the utility model, the pre-wetting section is adopted, high-viscosity minerals attached to the tire are directly soaked and wetted in water, part of the minerals on the wheel are directly dissipated in the soaking groove of the pre-wetting section in the advancing process of the wheel, and the carried-out part is directly dropped from the tire after being washed by the washing section; and the cleaning capability is greatly improved compared with that of a common engineering car washer.

The invention provides a pet urinal to at least solve the problem that pet excrement cannot be treated and cleaned in time in the existing market, the pet urinal comprises a body which is provided with an excrement and urine area and an excrement treatment area, and the pet urinal is characterized by further comprising a dirt shoveling module movably arranged in the excrement and urine area and used for shoveling dirt in the excrement treatment area, and the dirt shoveling module is used for shoveling the dirt in the excrement treatment area. The excrement pushing area is used for pushing excrement in the urine and excrement area to the excrement treatment area; the grinding mechanism is arranged in the excrement treatment area and used for smashing excrement in the excrement treatment area; the water supply mechanism is used for supplying water to the urine and excrement area so as to facilitate cleaning of the urine and excrement area, and / or is used for supplying water to the excrement treatment area so as to facilitate treatment of excrement in the excrement treatment area; and the cleaning mechanism is used for cleaning the urine and excrement area.

The utility model belongs to the technical field of water quality detection, particularly relates to a rapid water quality detection cylinder, and aims to solve the problems of low water quality detection efficiency and inaccurate detection result in the background technology, and adopts the scheme that the rapid water quality detection cylinder comprises a cylinder body, a servo motor is mounted on the inner wall of the bottom of the cylinder body, and an output shaft of the servo motor is fixedly connected with a rotating table; sampling barrels distributed at equal intervals are placed on the outer wall of the top of the rotating table, and a detection box is arranged at the top of the rotating table. The water quality detection device is high in automation degree, the continuity of water quality detection is embodied, the detection efficiency is improved, after water in one sampling barrel is detected and discharged, purified water in the water tank can be conveyed to the flushing spray head through the back-flushing pipe, the detection box and the water quality sensor are flushed through the flushing spray head, cleanliness of the detection box and the water quality sensor is guaranteed, and the detection efficiency is improved. The detection box and the water quality sensor are cleaned in time, so that the accuracy of a water quality detection result is ensured.

The invention provides a double-sided grinding device and method, and belongs to the technical field of semiconductor manufacturing. The double-face grinding device comprises an upper fixed disc, a lower fixed disc, a bearing disc and a driving mechanism, the upper fixed disc and the lower fixed disc are oppositely arranged, and the bearing disc is arranged on the side, facing the upper fixed disc, of the lower fixed disc and comprises a plurality of workpiece bearing disc holes; the driving mechanism can drive the bearing disc to rotate relative to the upper fixed disc and the lower fixed disc; wherein the upper fixed disc is provided with at least one purified water flow guide hole facing the surface of the lower fixed disc, and the purified water flow guide hole is used for spraying purified water towards the lower fixed disc. According to the technical scheme, the problem that the ground silicon wafer is adsorbed on the upper fixed disc and falls to the surface of the lower fixed disc when rising to the air to cause fragments can be solved.

The invention relates to the technical field of automation, and provides a water purification method and system, a water purifier, a storage medium and a computer program product.The method comprises the steps that in the water purification process based on a capacitive deionization water purification system, the accumulated water purification amount of the capacitive deionization water purification system between the target moment and the current moment is determined; the target moment is the moment of cleaning an electrode in the capacitive deionization water purification system for the last time before the current moment; if the moment for cleaning the electrode in the capacitive deionization water purification system does not exist, the target moment is a water purification starting moment when the capacitive deionization water purification system performs water purification for the first time; and determining that the accumulated water purification amount is greater than or equal to a preset water purification amount threshold value, and cleaning an electrode in the capacitive deionization water purification system. By accurately judging the cleaning requirement, the electrode in the capacitive deionization water purification system can be cleaned in time, it is ensured that the electrode can efficiently purify water for a long time, and then the water purification efficiency of the water purification system can be improved.

The invention relates to the technical field of air conditioning, in particular to an air conditioner and a control method thereof. The control method comprises the steps that in response to a triggering condition meeting a glass cleaning mode, the dew point temperature of condensation generated on the outer surface of glass of a target window is calculated; the air conditioner is controlled to start a glass cleaning mode, air is discharged according to the first temperature, and the first temperature is smaller than the dew point temperature. The basic air supply function of the air conditioner is used for automatically cleaning the outer surface of the glass, the function that the air conditioner automatically cleans the outer surface of the glass is achieved, and the beneficial effects that cleaning is timely, the cleaning coverage range is large, and manual intervention is completely not needed can be achieved; the problems that in the prior art, manual glass cleaning is time-consuming and labor-consuming, cleaning is not thorough, and potential safety hazards are large are solved.

The invention discloses an offshore floating photovoltaic support, and relates to the field of offshore photovoltaic technologies. An offshore floating photovoltaic support comprises a base mechanism, the base mechanism comprises a base, the lower surface of the base is fixedly connected with a bottom column, the lower end of the bottom column is fixedly connected with a floating plate, a mounting groove is formed in the middle of the surface of the base, and a water baffle is fixedly connected into the mounting groove; the support mechanism comprises a loading assembly used for installing a photovoltaic panel and an adjusting assembly, the loading assembly comprises an outer frame seat, the lower inner wall of the outer frame seat is fixedly connected with an inner frame seat used for loading the photovoltaic panel, the outer side of the upper surface of the base is provided with an annular first placing groove and an annular second placing groove, and the first placing groove and the second placing groove are connected in a sleeved mode. According to the offshore floating photovoltaic support, when sunlight and stormy waves exist at the same time on the sea, it can be guaranteed that the photovoltaic panel works, and the working duration of light energy conversion is prolonged.

The invention provides a wafer edge defect repairing device and method, the wafer edge defect repairing device comprises a protective shell, a bearing table, a polishing head, a grinding liquid nozzle and a cleaning nozzle, the bearing table is rotatably connected in the protective shell, a grinding ring pad is arranged on the top surface of the bearing table and is close to the peripheral edge of the bearing table, and a rotary driving part is arranged at the bottom of the protective shell; the grinding liquid nozzle is arranged on the inner circumferential wall of the protective shell and used for spraying grinding liquid to the bearing table, and the cleaning nozzle is embedded in the top face of the bearing table and used for cleaning the bottom face of the wafer. According to the wafer edge defect repairing device provided by the invention, the grinding ring pad on the bearing table is used for repairing and grinding the edge position of the wafer, and the bottom surface of the wafer can be effectively cleaned by virtue of the cleaning nozzle, so that double functions of wafer edge repairing and wafer flushing are met, edge residues at the edge position of the wafer can be ground, and the wafer edge defect repairing efficiency is improved. And grinding residues and chemical residues on the surface of the wafer can be cleaned in time, and the product yield can be improved.

The invention discloses a cleaning device cooperative control method and system and a related cleaning device. The method comprises the steps that environment information of a target area and device information of at least one second device are acquired; determining a clean area based on the environment information of the target area; determining a cleaning scheme of the cleaning area based on the area environment information of the cleaning area and the device information of all the second devices; and a control instruction is sent to at least one second device according to the cleaning scheme so as to control the at least one second device to clean the cleaning area. The cleaning area is determined based on the environment information of the target area, the cleaning scheme of the cleaning area is determined based on the area environment information of the cleaning area and the device information of all the second devices, the cleaning area needing to be cleaned can be automatically recognized, the proper cleaning scheme is generated for the cleaning area, and the cleaning efficiency is improved. And the cleaning area is cleaned according to the cleaning scheme, so that the cleaning area can be cleaned timely and thoroughly, and the sanitation problem is reduced.

The utility model relates to a grouting reverse blocking structure for an isolation hydraulic support and a grouting device. The isolation hydraulic support comprises a support tail beam and a grouting hole formed in the support tail beam. The grouting reverse blocking structure comprises a second pipe fitting, a reverse blocking assembly and a first pipe fitting, the second pipe fitting comprises a second pipe body and an annular baffle which are connected, a through hole allowing concrete slurry to circulate is formed in the annular baffle, the reverse blocking assembly comprises an ejector rod and a stop part which are connected, and the ejector rod penetrates through the through hole and the second pipe body and is used for closing or avoiding the through hole. The first pipe fitting is detachably connected to the second pipe fitting, the first pipe fitting comprises a first pipe body and an ejector rod seat arranged in the first pipe body, and the ejector rod seat is used for pushing the ejector rod to move towards one side of the filling space. According to the technical scheme, when grouting is completed, the first pipe fitting and the second pipe fitting can be detached and cleaned in time, the cleaning efficiency is improved, the time cost is saved, concrete slurry can be prevented from flowing back through the reverse blocking assembly, and safety and reliability are higher.

The utility model relates to an ultrasonic cleaning anti-blocking device for a sand mill, which comprises a grinding cylinder, an end cover is fixedly mounted at a discharge port of the grinding cylinder, grinding discs and bushings are mounted on a stirring shaft in the grinding cylinder and are arranged at intervals, and a rotor pin rod is fixedly mounted at the top end of the stirring shaft through a bolt. A gap separator is installed in the grinding cylinder and located on the inner side of the end cover, a flange plate is fixedly installed on the end cover, a clamping type sealing gasket is installed on a clamping type connector of the flange plate, an ultrasonic cleaning device is inserted in the clamping type connector of the flange plate, a connector of the ultrasonic cleaning device is aligned to the clamping type sealing gasket, and a hoop is arranged on the periphery of the clamping type sealing gasket. The flange plate, the clamping type sealing gasket and the ultrasonic cleaning device are fixed into a whole through a hoop; according to the utility model, the phenomenon that the gap separator of the traditional sand mill is easy to block so as to influence the discharge can be solved, reliable guarantee is provided for efficient operation of the sand mill and great reduction of maintenance time, and meanwhile, the service life of equipment is prolonged.

The invention relates to a negative pressure formation channel blockage detection method and device and computer equipment. The method comprises the steps that the liquid loss amount of negative pressure formation of a detection battery is obtained, and a negative pressure formation channel corresponding to the detection battery is obtained; and comparing the liquid loss amount of the detected battery with the reference level of the liquid loss amount of the negative pressure formation channel corresponding to the detected battery, and judging whether the negative pressure formation channel corresponding to the detected battery is blocked or not. The blockage state of the negative pressure formation channel is identified through the liquid loss amount of the battery, so that the situation that the whole judgment error is caused by the part of batteries with large liquid loss amount is effectively avoided, the control over the liquid loss amount is improved, blockage of any degree can be identified, the quality of the battery is ensured, and the safety of the battery is improved.

The invention discloses power transmission line surface foreign matter cutting equipment, and relates to the technical field of power transmission lines, the power transmission line surface foreign matter cutting equipment comprises a rack, a driving mechanism and a pressing mechanism, the driving mechanism comprises supporting legs, a round roller is rotatably installed at the top ends of the supporting legs, and a servo motor is installed at the position, close to the round roller, of the outer sides of the supporting legs; the pressing mechanism comprises an air cylinder, a top cover is installed at the extending end of the air cylinder, a wire pressing roller is rotationally installed on the outer side of the top cover through a support, a second annular groove is formed in the middle of the outer side of the wire pressing roller, and a first annular cutter is fixedly installed at the bending position of the inner side of the second annular groove. A second annular cutter is fixedly installed at the bent position of the inner side of the second annular groove, and an auxiliary assembly is installed at the end, away from the wire pressing roller, of the outer side of the top cover. The cutting equipment for the foreign matters on the surface of the power transmission line achieves the effect of removing the foreign matters, can cut the foreign matters, treats the foreign matters in time, and ensures the safety and reliability of the line.

The invention relates to the technical field of underground pipe discharge, and discloses an organic matter underground pipe discharge device which solves the problems that the interior of an underground pipe is prone to blockage and inconvenient to clean in time, according to the organic matter underground pipe discharge device, through arrangement of an anti-blocking mechanism and a descaling mechanism, a motor drives a gear A and a gear B to rotate; a transverse plate is driven to rotate by utilizing rotating force, the transverse plate is matched with a cleaning brush A to clean the surface of a filter plate, meanwhile, a cutter and a baffle are matched to cut off large organic matter blockages, the large organic matter blockages are cut through multiple times of rotation till the large organic matter blockages can pass through a filter screen, and the discharging difficulty is reduced; the movable plate is driven to move through magnetic connection of the magnetic ring A and the magnetic ring B, the inner wall is directly scraped and cleaned through the scraping ring, the cutter is driven to contract through magnetism when the movable plate moves to the tail end, organic matter impurities attached to the surface of the cutter are scraped off, and finally the purposes of cleaning the interior of the concealed conduit in time and preventing blockage are achieved.

The invention discloses an improved SSA-BP-based photovoltaic array dust deposition prediction method, which adopts a method of combining a sparrow search algorithm and a BP neural network, and introduces Levy flight optimization SSA to enhance global search capability and local development capability and improve the problems of excessive gathering, diversity reduction and easy falling into local optimum when approaching an optimal position. The convergence precision is improved, and the optimal weight and threshold of the BP neural network are obtained by adopting the algorithm; and meanwhile, an electrical detection method principle is utilized, a simulation model is established in MATLAB / Simulink to analyze output PV and IV curves of the photovoltaic array in different fault states, characteristic quantities are extracted, sample data are acquired, and the algorithm is utilized to perform classification prediction on the data, so that the photovoltaic dust deposition degree and the shadow shielding condition are conveniently and accurately identified, and the accuracy of the detection result is improved. The optimal cleaning period is determined, the operation loss is reduced, and the economic benefit is improved.

The invention discloses a self-cleaning feeding bird house capable of attracting birds to inhabit, which comprises a bird house main body, an inhabiting unit for the birds to inhabit is arranged on the bird house main body, a water body unit for supplying water and cleaning the bird house is arranged beside the inhabiting unit, and a floating body is arranged at the bottom of the bird house main body. A set of plant units used for planting terrestrial and aquatic plants are arranged in the floating body, a balance ball assembly is arranged at the bottom of the floating body and penetrates through the center of the floating body to be connected with the bird house body, and a detachable bird house top cover is arranged at the top of the bird house body. According to the water body unit, water in a water area flows to each compartment through a water guide groove by means of the water suction pump, the water storage tank and each layer of water tank of the inhabiting unit, a direct drinking water source is provided for birds, meanwhile, self-cleaning of the bird house is completed, meanwhile, water flow sound can form sound stimulation on the birds, and therefore the attraction to the birds is enhanced.

The utility model relates to biological protease extraction equipment, which belongs to the field of protease extraction, and comprises an extraction tank body, a tank cover arranged on the extraction tank body, and a blanking piece with a valve arranged at the discharge part of the extraction tank body, a rotating rod extending into the extraction tank body is arranged at the top of the tank cover, and a stirring piece is arranged on the surface of the part, positioned in the tank cover, of the rotating rod. A scraping part for scraping residues on the inner wall of the extraction tank body is arranged on the periphery of the stirring part, a driving part for driving the rotating rod is arranged at the top end of the tank cover, and a water inlet pipe fixed together with the tank cover through a fixing part is rotationally mounted at the top end of the rotating rod. According to the biological protease extraction equipment, the rotating rod drives the annular flow dividing shell to rotate, clear water in the annular flow dividing shell is sprayed to the inner wall of the extraction tank body through the spray head, and residual materials on the inner wall of the extraction tank body are scraped in cooperation with the scraping part, so that the extraction tank body can be conveniently cleaned in time after protease is extracted.

The invention relates to the technical field of tension machines, in particular to a self-locking safety hydraulic tension machine which comprises a movable chassis, a tension wheel used for winding a cable is arranged on the upper portion of the movable chassis, a mounting frame is arranged at the conveying end of the tension wheel, and a locking device used for preventing the cable from returning is arranged on the mounting frame. The locking device comprises a bottom plate arranged in the cable conveying direction, a trigger device used for monitoring the cable conveying direction is arranged on the upper portion of the bottom plate, and the output end of the trigger device is connected with a blocking device used for clamping the cable, so that the reaction sensitivity is guaranteed, and the use safety is greatly guaranteed.

The application discloses a kind of salt-containing wastewater concentration devices, belong to salt-containing wastewater treatment technical field, including support and being located on the concentration tank of support, multiple filter plates are arranged in the concentration tank along the direction of axis, the filter plate is coaxially arranged with concentration tank, the middle part in the concentration tank is equipped with partition plate, the partition plate divides the cavity in the concentration tank into two semicircular cavities symmetrically, and the two semicircular cavities are processing cavity and filter cavity respectively, switching through-hole is equidistantly arranged on the partition plate, the filter plate is rotatably arranged in switching through-hole, switching drive is arranged on the concentration tank to drive the rotation of filter plate, a plurality of clamping type cleaning mechanisms are arranged in the processing cavity, and cleaning liquid supply mechanism is arranged on the support.The salt-containing wastewater concentration device provided by the application can clean the filter plate without stopping work, ensuring continuous filtration.

The utility model discloses an ox bone crushing device for beef deep processing, and relates to the technical field of ox bone processing, the ox bone crushing device comprises a support base, a crushing box body is arranged on the support base, a filter steel plate, a transmission assembly and a re-grinding assembly are respectively arranged in the crushing box body, a crushing assembly is arranged on the transmission assembly, and the re-grinding assembly is arranged on the transmission assembly. The transmission assembly is arranged right above the re-grinding assembly, and the re-grinding assembly is arranged right above the filter steel plate; a filter steel plate is arranged, crushed unqualified large aggregates are blocked and do not fall into a storage box, a first motor is started to drive a lead screw to rotate forwards and then rotate backwards, and then a rotating block, a sliding block and a supporting rod are driven to reciprocate left and right, so that a grinding roller is driven to reciprocate left and right, and the unqualified large aggregates on the filter steel plate are ground again; and the cattle bones fall into the storage box through the filter steel plate to be collected, so that the cattle bone crushing efficiency and effect are improved.

A plurality of frame bodies are arranged in a branch air pipe of the clean air supply system at intervals in the length direction of the branch air pipe, the four outer side walls of each frame body make contact with the inner wall face of the branch air pipe, and the two opposite inner walls of each frame body are each rotationally provided with a pressing plate; one end of a connecting rod extending in the length direction of the branch air pipe penetrates through the frame bodies and is arranged between any two pressing plates symmetrically arranged on the inner wall of the same frame body, and a second sliding groove is formed in each pressing plate and extends from the area close to the inner wall of the frame body to the area close to the connecting rod. A second sliding block slidably installed in the second sliding groove is connected with the connecting rod through a steel bar, and the other end of the connecting rod extends out of the branch air pipe and is connected with a driving assembly. The air supply speed can be controlled, and the inner wall of the ventilation pipe can be cleaned.

The utility model relates to a solar panel self-cleaning device which comprises a support, and an obliquely arranged solar panel is arranged on the support. A high-pressure nozzle with an opening facing the solar panel is arranged on the bracket and is communicated with an air pressurizing device; high-pressure gas is conveyed to the high-pressure nozzle through the air pressurizing device, the high-pressure nozzle sprays the high-pressure gas to the solar panel, the high-pressure gas cleans the solar panel, waste of water resources is reduced, and the solar panel cleaning device is simple, efficient, safe and reliable.

The utility model discloses a safety monitoring device for an ocean platform, which comprises a base, a lifting device, a rotating device, monitoring equipment and a cleaning device, and is characterized in that the lifting device comprises a driving assembly and a lifting assembly, and the driving assembly is arranged on the base; the lifting assembly is arranged on the base and connected with the driving assembly. The rotating device comprises a shell and a rotating assembly, and the shell is arranged on the lifting assembly; the rotating assembly is arranged in the shell; the monitoring equipment is arranged on the shell, and the bottom of the monitoring equipment is connected with the rotating assembly; the cleaning device comprises a cleaning assembly, and the cleaning assembly is arranged on one side of the monitoring equipment. Therefore, the automatic cleaning device is arranged, the lens can be cleaned timely and thoroughly, the definition of a monitoring picture is ensured, the monitoring efficiency is improved, the frequency and cost of manual maintenance are reduced, and powerful technical support is provided for safety monitoring of an ocean platform.

The invention relates to the technical field of sputum suction nursing devices, in particular to a sputum suction apparatus for pediatric nursing. Warm liquid medicine for diluting sputum is injected into the liquid storage shell, the controller controls the electric control valve to be opened to enable the liquid medicine to flow, meanwhile, the controller controls the flow of the liquid medicine through the electronic flow valve, and when the liquid medicine flows to the medical capillary plate through the connecting pipe to be wetted out, the liquid medicine can directly act on the sputum; meanwhile, medical staff can observe the dilution degree of sputum in real time through the micro camera; sputum can make contact with the positive electrode connecting piece and the negative electrode connecting piece at the same time, then a closed circuit is formed between the positive electrode connecting piece and the negative electrode connecting piece, otherwise, the closed circuit is formed between the positive electrode connecting piece and the negative electrode connecting piece, and the controller deduces whether the sputum suction pipe assembly makes contact with the sputum or not according to the on-off condition of the multiple sets of positive electrode connecting pieces and negative electrode connecting pieces; when sputum at the communicating hole of the flexible shell is sucked away, the positive electrode connecting piece and the negative electrode connecting piece are disconnected, then the sputum suction effect is judged, and practicability is better.

The utility model discloses an automatic punching device for columnar moxibustion material, which comprises a rack, a drilling assembly and a lifting assembly, the drilling assembly comprises a drill bit, a working table is arranged below the drill bit, a punching station is formed on the working table by arranging a front push plate and a movable baffle, and the upper part of the front push plate is connected with an upper baffle for limiting the upper side of the moxibustion material; the front push plate is connected with a first air cylinder enabling the front push plate to move front and back, the two movable baffles are connected with a second air cylinder enabling the movable baffles to move front and back, a discharging port is formed in the rear side of the punching station, and the punched moxibustion materials can be pushed to the discharging port by the front push plate and fall down from the discharging port. Automatic moxibustion material punching is achieved through downward drilling and upward resetting of the drill bit, automatic moxibustion material moving-out after punching is achieved through movement of the front push plate and the movable baffle, applicability adjustment can be conducted on layout components of the device, automatic control of the whole device is facilitated, manpower is saved, the problem of hole channel deformation is solved, and production efficiency is improved. And standardization of products is facilitated.

The invention relates to a photovoltaic system with an anti-hot-spot effect, which comprises photovoltaic panels arranged in rows and a cleaning device perpendicular to the arrangement direction of the photovoltaic panels and parallel to the photovoltaic panels, and the cleaning device moves along the arrangement direction of the photovoltaic panels through a first moving device; the photovoltaic panels are provided with temperature sensors, the temperature sensors are connected with the control switchboard, if the temperature detected by any temperature sensor is higher than a temperature threshold value, the control switchboard controls the first moving device to move towards the photovoltaic panels with the temperature exceeding the standard, and the cleaning device cleans the surfaces of the passing photovoltaic panels in the moving process. According to the photovoltaic system with the hot spot prevention effect, the temperature condition of each photovoltaic panel is monitored in real time, the photovoltaic panel with the temperature exceeding the standard is found in time and automatically cleaned, meanwhile, the switchboard is controlled to send an early warning signal to the switchboard, the abnormal temperature of the photovoltaic panel is controlled in time, the spontaneous combustion time of the photovoltaic panel is delayed, and the self-ignition efficiency of the photovoltaic panel is improved. And most dirt can be cleaned in time, so that the labor cost is reduced.

The invention discloses a ventilation device for preventing oil liquid in a bearing box from dripping outwards, which comprises a shell with an inner cavity, a cavity partition plate with a first gas discharge through hole is arranged in the shell, and the cavity partition plate divides the inner cavity of the shell into a gas discharge cavity and an oil mist filtering cavity which are communicated up and down; an oil mist filtering mechanism forming a spiral oil mist filtering channel is arranged in the oil mist filtering cavity, an oil mist leading-in mechanism and a lubricating oil recycling mechanism are arranged at the lower end of the shell, and the spiral oil mist filtering channel is communicated with the bearing box through the oil mist leading-in mechanism and the lubricating oil recycling mechanism; and a second gas discharge through hole communicated with the outside is formed in the side wall of the gas discharge cavity. The motor bearing box can effectively solve the problems that oil mist escapes outwards and oil drips outwards, consumption of lubricating oil is reduced, and meanwhile the motor bearing box has the advantages of being exquisite in structure and free of cooperation of an external power source.

The pot cover assembly comprises a cover body and an inner cover arranged below the cover body, an exhaust hole is formed in the inner cover, the pot cover assembly further comprises an anti-blocking cover arranged on the lower side of the inner cover, the projection, facing the inner cover, of the anti-blocking cover covers the exhaust hole, a heat insulation piece is fixed to the anti-blocking cover, and the heat insulation piece is fixed to the inner cover. The heat insulation piece is provided with a connecting part and a holding part, the connecting part is used for being fixedly connected with the inner cover, and the holding part protrudes out of the outer surface of the anti-blocking cover. The anti-blocking cover is fixed to the inner cover through the heat insulation piece, and the heat insulation piece is not prone to deformation at high temperature, so that the connecting effect and stability of the heat insulation piece and the inner cover can be kept, and stable connection and position stability of the anti-blocking cover are kept. When the anti-blocking cover is disassembled, a user can grasp the holding part, protruding out of the anti-blocking cover, of the heat insulation part to disassemble the heat insulation part and the anti-blocking cover from the inner cover together, and the holding part protrudes out of the surface of the anti-blocking cover, so that the heat insulation cover is convenient to hold by the user, the temperature of the heat insulation cover is low, and the user can obtain better touch feeling.

The utility model provides a cup cover assembly and a cup. Wherein the cup cover assembly comprises a drinking opening forming seat and a cup opening combination part, the cup opening combination part is used for being connected with the opening part of the cup body, and a mounting through hole is formed in the cup opening combination part; the cup cover assembly comprises a cup opening combination part and a drinking opening forming seat, the cup opening combination part is provided with a mounting through hole, the drinking opening forming seat is arranged in the mounting through hole, a drinking opening is formed in the drinking opening forming seat, and the cup cover assembly further comprises a magnetic attraction assembly enabling the drinking opening forming seat and the cup opening combination part to be in magnetic connection so that the drinking opening forming seat can be detachably combined to the cup opening combination part. According to the cup cover assembly provided by the embodiment of the invention, when the cup cover assembly needs to be cleaned, a user only needs to hold the cup cover assembly and exert proper external force on the drinking opening forming base, the magnetic connection between the drinking opening forming base and the cup opening combination part can be disconnected, and therefore the drinking opening forming base and the cup opening combination part can be easily detached, and timely cleaning is facilitated; therefore, drinking water sanitation is ensured.