18results about How to "Improve self-cleaning efficiency" patented technology

The utility model relates to the technical field of filter screen cleaning, in particular to a self-cleaning filter screen structure. The rotating assembly can drive the conical filter screen to rotate, and at least the long working side wall located at the downstream in the two oppositely-arranged long working side walls of the flow guide scraping plate is attached to the conical filter screen, so that in the rotating process of the conical filter screen, impurities filtered by the conical filter screen are covered by the flow guide scraping plate; due to the fact that water flows from the large end of the conical filter screen to the small end of the conical filter screen and the water pressure of the position, covered by the flow guide scraping plate, of the conical filter screen is smaller than that of other positions of the conical filter screen, the water flows back into the conical filter screen in the reverse direction, and then impurities attached to the conical filter screen are flushed into an area formed by the conical filter screen and the flow guide scraping plate. And in the rotating process of the conical filter screen, the flow guide scraping plate can scrape the impurities into an area formed by the conical filter screen and the flow guide scraping plate, so that the impurities can flow to the blow-off pipe under the guide of the flow guide scraping plate, and the self-cleaning efficiency is further improved.

The invention relates to the technical field of self-cleaning coatings, in particular to a two-component inorganic super-hydrophilic self-cleaning coating and a preparation method and application thereof.The preparation method comprises the following steps that 1, gamma-aminopropyltriethoxysilane is dissolved in an ethanol water solution, then titanium dioxide sol is added, stirring reaction is conducted for 2-4 h at the temperature of 40-50 DEG C, and modified titanium dioxide sol is obtained; (2) dispersing nano-montmorillonite in ethanol, then adding tea polyphenol, and performing ultrasonic dispersion for 0.5-1 hour to obtain a modified nano-montmorillonite suspension; (3) mixing a cerium nitrate solution with the alumina sol, then adding the modified montmorillonite suspension, and uniformly mixing to obtain composite alumina sol; and (4) mixing and cross-linking the prepared modified titanium dioxide sol and composite aluminum oxide sol to obtain the self-cleaning coating. The long-acting super-hydrophilic self-cleaning coating provided by the invention has the advantages of excellent self-cleaning capability, stable and long-acting super-hydrophilicity, wear resistance and antistatic effect.

The utility model discloses a self-cleaning calf feeder which comprises a feeding bin, the bottom of the feeding bin is fixedly connected with a conical bin, the center position of the bottom of the conical bin is fixedly connected with a discharging pipe, a stirring assembly is installed on the inner wall of the feeding bin, the stirring assembly comprises a stirring shaft and stirring blades, and the stirring shaft is fixedly connected with the discharging pipe. A spraying assembly is fixedly installed on the inner wall of the top of the feeding bin, the spraying assembly is used for cleaning the inner wall of the feeding bin, and feeding pipe assemblies are evenly and fixedly installed on the outer wall of the bottom end of the conical bin. According to the self-cleaning calf feeding device, the stirring blades are arranged in the feeding bin, so that fresh milk, lactic acid, other added food additives and other food for feeding calves can be fully and uniformly stirred and mixed, meanwhile, when the inner walls of the feeding bin and the conical bin are self-cleaned, the inner walls of the feeding bin and the conical bin can be scrubbed by driving the stirring blades to rotate, and the self-cleaning efficiency is improved.

The utility model provides a self-rotating multi-stage filtration and purification device, which belongs to the technical field of filtration and comprises a bearing mechanism, a support and a filter cartridge shell fixedly mounted in an inner cavity of the support. And the anti-clamping mechanism comprises a pipe body fixedly mounted at the top of the filter cartridge shell. The three annularly-distributed elastic telescopic rods are matched with the rubber elastic block to form a self-adaptive pressure adjusting system, and it is guaranteed that the optimal contact pressure between the scraping piece and the filter screen is kept all the time; long fiber impurities can be actively cut off and guided through the synergistic effect of the inclined cutting blade and the guide plate, and winding and stacking are prevented; mechanical damage caused by excessive stretching is avoided through the matched design of the limiting disc and the connecting disc; aiming at the working conditions of high-viscosity fluid and long-fiber-containing substances, the problem that progressive clamping stagnation is difficult to monitor is solved through a mechanical self-adjusting mechanism, the self-cleaning efficiency and the reliability of system operation are remarkably improved, meanwhile, the overload risk of a motor is reduced, and continuous and stable operation of a filtering system is guaranteed.

Embodiments of the present disclosure provide a semiconductor cleaning shield device and a semiconductor cleaning apparatus, wherein the semiconductor cleaning shield device comprises: a first shield in the shape of a ring coaxially surrounding a wafer, the first shield comprising a first wall body and a first bent portion, the first bent portion being arranged at a top end of the first wall body and being bent towards a direction close to the wafer; and a second shield, a height difference between a top end of the second shield and the first bent portion being adjustable, so that the first shield and the second shield are switched between a first working condition and a second working condition; wherein in the first working condition, the wafer is located between the first bent portion and the second shield along a height direction, and a radially inner wall surface of the first wall body is used to block liquid droplets spun out by the wafer, and in the second working condition, the top end of the second shield is fitted to the first bent portion, so that the first wall body, the first bent portion and the second shield form a first cleaning space for the cleaning liquid to flow.

The invention provides a self-cleaning auxiliary device and a control method thereof.The self-cleaning auxiliary device comprises a frame and an auxiliary assembly, the frame is fixedly connected with an outdoor unit body, the frame is provided with a mounting groove and a through opening, the mounting groove is adjacent to and communicates with the through opening, and the through opening corresponds to an air inlet of the outdoor unit body; the auxiliary assembly is located in the mounting groove and comprises a rotating part and a baffle, the rotating part is rotationally connected with the frame, and the baffle is wound on the rotating part; the rotating piece rotates to drive the baffle to slide in the length direction of the through opening so as to close or open the air inlet. According to the air conditioner, the auxiliary assembly is arranged in the frame, and when the air conditioner is in self-cleaning, the baffle slides to close the air inlet, so that air is prevented from flowing into the outdoor unit, temperature reduction of the heat exchanger is intensified, frosting of the heat exchanger is accelerated, the self-cleaning efficiency of the air conditioner is improved, and the frosting effect is enhanced; and meanwhile, the frosting effect is enhanced, dirt attached to a machine can be more thoroughly stripped, and the self-cleaning effect is improved.

This invention relates to the field of centrifugal fan technology, and particularly to a high-pressure centrifugal fan with backward-curved blades. The fan includes a volute, an impeller, and a collector. Both the impeller and the collector are housed within the volute, and the collector is fixedly connected to the volute. The impeller includes a front plate and a rear plate. Multiple blades are arranged in an array around the rear plate. An air intake is located in the center of the front plate. The blades are of a single-plate straight structure, each blade including a leading edge, a trailing edge, a first side connecting the first end of the leading edge and the first end of the trailing edge, and a second side connecting the second end of the leading edge and the second end of the trailing edge. The first side is the side closest to the air intake, and the second side is the side furthest from the air intake. The leading edge includes an arc segment near the air intake and a straight segment away from the air intake. The trailing edge is a straight segment. Both the straight leading edge and the trailing edge are parallel to the impeller hub, and the second side is perpendicular to the impeller hub. This high-pressure centrifugal fan has a larger flow rate and higher pressure.

The invention discloses an unpowered self-pollution-discharge filtering system, relates to the technical field of liquid filtering, and aims to solve the problems of complex structure, high operation cost and low applicability of a self-cleaning scheme of a filtering system in the prior art. The unpowered self-pollution-discharge filtering system comprises a filtering tank, a conveying pump, a liquid storage tank, a filter element, a rotating sleeve, a scraping ring and a plug barrel, according to the self-cleaning sewage discharging device, during self-cleaning sewage discharging, the plug barrel is inserted into the filter element through liquid with gravitational potential energy, then pipeline switching is achieved by controlling the valve, the liquid with the high dirty degree outside the filter element is discharged out of the sewage discharging pipe, and therefore the self-cleaning sewage discharging device is convenient to use and high in practicability. And after cleaning is completed, pipelines can be switched to automatically reset parts, so that the filtering system works normally, operation is easy and convenient, maintenance is convenient, space limitation is small, the service life of the filtering system is prolonged, and the working stability and efficiency of the filtering system are improved.

The present invention discloses a non-powered self-draining sewage filtering system, which relates to the technical field of liquid filtration, and aims to solve the problems of complex structure, high operating cost and low applicability of the self-cleaning scheme of the filtering system in the prior art. The system comprises a filter tank, a delivery pump, a liquid storage tank, a filter element, a rotating sleeve, a scraper ring and a plug cylinder. The plug cylinder can be inserted into the filter element to seal the filter element. The filter tank is rotatably connected with a rotating sleeve and slidably connected with a scraper ring. The liquid storage tank is arranged above the filter tank. When performing self-cleaning and sewage discharge, the present invention utilizes liquid with gravitational potential energy to insert the plug cylinder into the filter element, and then controls the valve to switch the pipeline so that the liquid with high turbidity degree outside the filter element is discharged from the sewage pipe, thereby realizing efficient automatic cleaning. After the cleaning is completed, the pipeline can be switched to automatically reset the components, so that the filtering system can work normally. The system is simple to operate and easy to maintain, with small space restrictions, thereby extending the service life of the filtering system and improving its working stability and efficiency.

The utility model relates to the technical field of bread processing, in particular to a self-cleaning type stirring machine which comprises a machine body and a cleaning mechanism. A cleaning seat is detachably mounted at the top end of a stirring barrel on the machine body, and a mounting cavity is formed in the cleaning seat; the cleaning mechanism is arranged on the cleaning seat and is used for washing the inner wall of the stirring barrel; the cleaning mechanism comprises a first shunt pipe and a water tank; the first shunt pipe is arranged in the mounting cavity, a plurality of groups of atomizing nozzles are uniformly arranged at the bottom end of the first shunt pipe, and first connecting valves are arranged at the top ends of the atomizing nozzles; the water tank is mounted on the side wall of the body through a mounting plate. Through the arrangement of the cleaning seat, the stirring barrel is convenient to disassemble and assemble, and maintenance is convenient; by arranging the cleaning mechanism, flour attached to the upper end of the inner wall of the stirring barrel can be conveniently washed and scraped off, and the self-cleaning efficiency is improved; and through the arrangement of the drying mechanism, cleaning water attached to the inner wall of the stirring barrel can be conveniently and rapidly dried, the self-cleaning efficiency is further improved, and convenience is provided for cleaning work.

A grinding fixture for ferrite material products belongs to the field of grinding technology. It includes a base plate on which a set of fixing blocks are placed. Each fixing block has a corresponding positioning cover plate. A set of positioning inserts is provided between the positioning cover plate and the corresponding fixing block, and a ferrite material product is positioned on each positioning insert and positioned by magnetic attraction. This invention enables rapid clamping of ferrite material products while ensuring grinding precision. It features a simple structure, high clamping efficiency, low operating cost, and convenient maintenance. The multiple positioning devices effectively improve the stability of the positioning. The strong magnets attract and position the product before grinding and also attract processing waste during grinding, preventing waste from affecting the size of the ground product and improving the self-cleaning efficiency of the grinding disc.

The application relates to the field of automobile technology, in particular to a self-cleaning method and device of an automobile air conditioner, wherein the method comprises the following steps: after entering an air conditioner self-cleaning mode based on an air conditioner self-cleaning instruction, controlling the automobile air conditioner to enter a frosting mode and continuously operate for a first preset duration; after continuously operating for the first preset duration, controlling the automobile air conditioner to enter a defrosting mode and continuously operate for a second preset duration; after continuously operating for the second preset duration, controlling the automobile air conditioner to enter a ventilation mode and continuously operate for a third preset duration; and until receiving an end instruction in the automobile air conditioner or operating for the third preset duration, exiting the air conditioner self-cleaning mode. According to the application, the self-cleaning of the automobile air conditioner can be realized according to the user instruction based on the frosting, defrosting and ventilation modes of the automobile air conditioner, so that the cost of air conditioner cleaning is reduced, the equipment safety of the air conditioner is guaranteed, the self-cleaning efficiency of the automobile air conditioner is improved, and the application is more simple, practical and convenient.

The application provides a motion control method of a fan, which comprises the following steps: obtaining a preset motion stage of the fan and an operation parameter of the fan in the preset motion stage; and controlling the fan to perform acceleration motion, uniform motion and / or deceleration motion according to a preset jerk parameter and other parameters in the operation parameter in the preset motion stage. The application controls the stage duration of the stage in which the absolute value of the jerk parameter of the fan in the motion stage is a non-maximum value to be infinitely close to 0 by obtaining each motion stage in the preset motion stage of the fan and the jerk parameter in the operation parameter of the fan, and controls the fan to perform acceleration motion, uniform motion and / or deceleration motion in the preset motion stage in combination with other parameters, so that the fan moves at a maximum absolute value of the jerk in the entire motion stage, the centrifugal force of the fan is approximately kept at a maximum value, and the self-cleaning efficiency of the fan and the use experience of a user are improved.

This utility model discloses a self-cleaning dust collector, relating to the field of dust collector technology. In use, the housing is placed on top of the hopper, with the lower cavity communicating with the hopper. A negative pressure device is connected to the negative pressure interface. During operation, a negative pressure environment is created inside the housing, causing dust in the hopper to enter the lower cavity under pressure differential. The airflow passes through the filter cartridges, where dust is trapped on the surface. When excessive dust adheres to the surface of the filter cartridges, compressed gas is sprayed into the inner side of the filter cartridges via the main pulse pipe and auxiliary pulse pipe. The high-pressure air from the inside of the filter cartridges blows the dust adhering to the surface into a pre-set dust collection hopper below. Meanwhile, high-pressure air from the outside of the filter cartridges is blown obliquely towards the outer surface, removing firmly adhered impurities from the filter cartridge surface, thus improving self-cleaning efficiency and achieving the purpose of dust collection.

The invention relates to the technical field of intelligent household appliances, and discloses a cleaning base and a self-moving robot, the self-moving robot is matched with the cleaning base for use, the self-moving robot comprises a driving wheel and a collision plate, the cleaning base comprises a base and a charging seat, a cleaning area is arranged on the base, and the charging seat is arranged on the cleaning area. The collision plate is arranged on the base and used for allowing the driving wheels to execute a cleaning task, the charging base is arranged on the base and used for being in butt joint with the self-moving robot to execute a charging task, and the collision plate is kept in an open state in the charging task process and kept in a closed state in the cleaning task process. The collision plate is kept in the closed state in the cleaning task process, so that the robot can smoothly advance to abut against the cleaning base, and the driving wheels are automatically cleaned through autorotation of the driving wheels in the cleaning area.

The utility model provides a base station and a cleaning system, and relates to the technical field of cleaning equipment, and the base station comprises a base, an infrared heater, a transmission plate and a fan, the infrared heater is used for emitting infrared rays. The base is provided with a cleaning tank for containing the rolling brush, and the transmission plate forms at least part of the bottom of the cleaning tank. The fan is provided with an air blowing opening, and air blown out of the air blowing opening passes through the infrared heater and transmits infrared heat emitted by the infrared heater to the rolling brush. According to the cleaning system, infrared rays can rapidly penetrate through the material surface of the rolling brush, energy is directly transmitted to the interior and the surface of the rolling brush, heat loss is reduced, clean water can be heated, the self-cleaning speed of the rolling brush is effectively increased, and the self-cleaning efficiency of the rolling brush is improved.

The utility model relates to the technical field of laminating machine brush cleaning, and discloses an automatic cleaning mechanism for a laminating machine brush, which comprises a shell, a cleaning plate is arranged in the shell, a support frame is arranged at the top of the shell, a telescopic rod I is fixedly connected to the bottom of the support frame, a support plate is fixedly connected to the bottom of the telescopic rod I, and the support plate is fixedly connected to the bottom of the telescopic rod II. The outer wall of the first telescopic rod is sleeved with a first spring, one end of the first spring is fixedly connected with the bottom of a supporting frame, the other end of the first spring is fixedly connected with the top of a supporting plate, the bottom of the supporting plate is fixedly connected with a fixing block, and the top of the supporting plate is fixedly connected with an ultrasonic vibrator. According to the self-cleaning brush, dirt attached to the brush is shaken off through vibration of the ultrasonic vibrator in the cleaning process, the top of the brush is connected with the supporting frame through the first telescopic rod and the first spring, vibration generated by the ultrasonic vibrator is stronger, and the effect of improving the self-cleaning efficiency of the brush is achieved.

The utility model discloses a material splashing prevention device for building construction mixing, which comprises a blanking hopper, the blanking hopper is connected with a processing assembly for building construction mixing, the processing assembly comprises an air cylinder assembly installed on the outer side of the blanking hopper, and the upper end of the air cylinder assembly is connected with a protective cover for preventing material splashing. The inner wall of the protective cover is slidably connected with the side end of the top of the discharging hopper. The adjusting stirring piece is installed on the lower side of the discharging hopper and used for stripping attached impurities, and a supporting shell is arranged at the bottom of the discharging hopper. According to the material splashing prevention device for building construction mixing, the air cylinder assembly, the protective cover, the motor, the gear and gear ring assembly, a scraping strip, an auxiliary gear, a stirring rod and a machine shell are matched with one another, splashing prevention adjustment is carried out according to the material delivery position, meanwhile, the discharging hopper and the protective cover can peel off attached building excess materials conveniently, the discharging rate of the materials is increased, the mixed materials are stirred, and the material splashing prevention effect is improved. Further, the quality of mixed finished products is improved.