103results about How to "Realize self-cleaning function" patented technology

The invention discloses a steel structure support for photovoltaic power generation, relates to the field of photovoltaic power generation supports, and solves the problem that the surface of a photovoltaic panel is easy to damage and the service life is affected due to the fact that an existing steel structure support for photovoltaic power generation is difficult to turn over and fold at multiple angles during use. Comprising a base, a supporting mechanism, an adjusting mechanism, a cleaning mechanism and two sets of photovoltaic panels, the base is rotationally connected with a first electric telescopic rod, the supporting mechanism comprises a guide frame, a connecting plate and a guide piece, the adjusting mechanism comprises a mounting ring and a second electric telescopic rod, and the cleaning mechanism comprises a cleaning roller. A first electric telescopic rod can conveniently drive a connecting plate to ascend and descend, so that the photovoltaic panel is rotated, overturned and contracted, the angle of a guide frame is adjusted through a second electric telescopic rod, the light receiving efficiency is improved, meanwhile, a cleaning roller is linked to clean the surface of the photovoltaic panel, and the cleaning roller is self-cleaned through the connecting plate; and the service life of the photovoltaic panel is prolonged.

The invention provides a photovoltaic module with a self-cleaning anti-reflection coating and a radiation refrigeration coating, which comprises cover plate glass, back plate glass and a photovoltaic cell fixed between the cover plate glass and the back plate glass, a TiO2 / SiO2 anti-reflection film is arranged on the surface of the cover plate glass, and TiO2 is arranged on the top surface of the film layer and is directly contacted with air, so that on the basis of keeping the light transmittance of the film system, the radiation refrigeration coating can be directly contacted with the surface of the back plate glass; the surface of the TiO2 thin film has super-hydrophilic and oleophylic double affinity, so that a self-cleaning function is realized, and the power generation efficiency of the photovoltaic module is improved; a radiation refrigeration coating is arranged on the surface of the back plate glass, the temperature of air at the bottom of the coating can be reduced, heat in the cover plate glass and the battery piece can be conveniently conducted to the refrigeration piece and the cooling space, the temperature of the battery piece is reduced, and the power generation efficiency is further improved.

The utility model discloses cleaning equipment which comprises an equipment body, a carding part and a cleaning assembly, the carding part is arranged on the equipment body, the cleaning assembly is arranged on the equipment body, the cleaning assembly comprises a brush body assembly, a rotation driving assembly and a state switching assembly, and the rotation driving assembly is used for driving the brush body assembly to rotate; the state switching assembly is used for enabling the brush body assembly to be switched between a first state and a second state, the brush body assembly makes contact with the surface to be cleaned in the first state, and the brush body assembly makes contact with the combing piece in the second state. In this way, the self-cleaning function of the side brush can be achieved, and the applicability of the cleaning equipment is effectively improved.

The utility model discloses a liftable aquaculture net cage capable of rotating automatically, and relates to the technical field of mariculture. The problems that an existing culture net cage is single in function, and the functions of rotating the net to be dried and lifting the net to avoid disasters cannot be achieved at the same time are solved. The net cage comprises a cylindrical net cage body, two circular guide rail assemblies, two driving assemblies, four floating bodies and four walking trolleys, the two ends of the cylindrical net cage body are each sleeved with one circular guide rail assembly, and the two walking trolleys are symmetrically arranged on the outer side of each circular guide rail assembly. The walking trolleys rotate around the circular guide rail assembly through the driving assembly, and floating bodies are fixedly connected to the outer sides of the walking trolleys. The utility model is used for mariculture.

The utility model provides an ultrasonic self-cleaning tea art machine which comprises a base body, a cup containing pot and an ultrasonic vibration device driving the cup containing pot to vibrate are movably arranged on the base body, and a vibration buffering mechanism is arranged between the base body and the cup containing pot. The ultrasonic vibration device is arranged to enable the cup containing pot to vibrate, water in the cup containing pot can generate high-frequency vibration to generate tiny bubbles, the tiny bubbles penetrate into tiny gaps of a tea cup or a tea set, tea stains and other stains difficult to clean are effectively removed, it can be ensured that the tea set is thoroughly cleaned, and the self-cleaning function of the tea set is achieved; and users can use conveniently.

The invention discloses a nanoscale super-antiskid ceramic tile and a preparation method thereof, and relates to the technical field of ceramic tile production, and the technical scheme is that the preparation method comprises the following steps: S1) preparing a ceramic tile matrix; s2) treating the surface of the ceramic tile; s3) preparing an anti-skid coating; s4) application of the anti-skid coating; s5) surface characteristic adjustment; according to the embodiment of the invention, a unique micro-nano-scale surface structure is formed by using a composite system of the cellulose nanocrystal hydrogel, the sodium polyacrylate mixture, the polylactic acid and the specific nanoparticles, so that excellent anti-skid performance is provided under wet and slippery conditions. And the gamma-methacrylic acid acrylic ester silane is used for carrying out surface modification on the nano particles, so that the nano particle compatibility and stability of the coating are improved, and the long-term durability and the continuous anti-skid effect of the coating are ensured. After the added titanium dioxide nanoparticles are irradiated by ultraviolet rays, the surface of the ceramic tile is endowed with a photocatalytic self-cleaning function, the cleaning and maintenance requirements are reduced, and meanwhile, continuous anti-skid protection is provided.

The utility model discloses a micro-bubble self-cleaning water purifier which comprises a first water inlet pipeline, a second water inlet pipeline, a membrane filter element, a first water path switch, a first supercharging device, a second water path switch, an air suction device, a second supercharging device and a flow limiting device, the first waterway switch and the first supercharging device are arranged on the first water inlet pipeline, one end of the second water inlet pipeline is connected to the first water inlet pipeline corresponding to a water inlet of the first waterway switch, and the other end of the second water inlet pipeline is connected to the first water inlet pipeline corresponding to a water outlet of the first supercharging device. The second waterway switch, the air suction device, the second supercharging device and the flow limiting device are arranged on the second water inlet pipeline. By adopting the design mode, when the micro-bubble self-cleaning water purifier starts self-cleaning, impurities such as scale on the membrane surface of the membrane filter element are cleaned by utilizing local high temperature, high pressure and high impact force generated by collapse of micro-bubbles, the flux of the membrane filter element is recovered, and the service life of the membrane filter element is prolonged.

The utility model discloses a combined type adhesive film punching die, which relates to the field of adhesive film punching and comprises a punching base, a movable plate arranged above the punching base, two symmetrical fixed plates arranged above the movable plate, a plurality of second punching shear heads and a plurality of first punching shear heads arranged inside the movable plate, according to the punching and shearing device, by arranging the spray head, when the first punching and shearing head and the second punching and shearing head conduct alternative punching, the inner wall of the punching and shearing groove which does not work can be cleaned, the cleanliness of the inner wall of the punching and shearing groove is guaranteed in the punching process, and the punching and shearing efficiency is improved. The glue on the glue film is prevented from being adhered to the inner wall of the punching and shearing groove, and the punching and shearing groove and the punching and shearing cutter head can be damaged by long-time punching and shearing work, so that the glue adhered to the inner wall of the punching and shearing groove can be automatically cleaned during working, the function of self-cleaning while working is realized, regular shutdown for cleaning the die is not needed, and the working efficiency is improved. And the precision of the die under the long-time use condition is ensured.

This utility model discloses a square double-U connector, including a connector body, an insert, and a safety valve assembly. The connector body has a cavity, and the insert divides the cavity into two parts, which are connected by a through-hole. A safety valve assembly is located at the bottom of the insert, with one through-hole connected to the safety valve assembly via a flow channel. The safety valve assembly includes a valve ball, a spring, and a plug. A drain hole is located at the bottom of the connector body, and its upper end is connected to the safety valve assembly. This utility model is not only low-cost but also simple to manufacture. The safety valve structure inside the insert increases the inlet pressure when sediment or dirt accumulates and clogs the through-hole. When this pressure exceeds the spring's elasticity, the valve ball is pushed open, the spring is compressed, and the accumulated sediment is flushed out of the flow channel by the water, thus achieving internal cleaning and preventing clogging of the double-U connector.

This application relates to a borehole wall sealing and plugging device, comprising a scraper body extending along a first direction, one end of which is used to connect to a drill rod, and the other end of which is provided with a reserved slot extending along the first direction; and multiple combined blades, which are detachably connected to the scraper body; each combined blade has a connecting end and a working end, the connecting end being disposed within the scraper body, and the working end extending outward through the reserved slot, the reserved slot cooperating with the combined blade to position the combined blade; the working radii of the working ends of the multiple combined blades are different. This utility model designs the drill bit as an assembled modular structure, allowing for simple on-site assembly, shortening processing time, reducing on-site workload, and allowing for the replacement of the combined blades according to the borehole size during use. Compared with a general one-piece molded scraper, it is more economical and has higher work efficiency.

The utility model discloses a self-cleaning feeding system which comprises a first filtering assembly, a buffer tank, a delivery pump and a second filtering assembly which are sequentially communicated in the feeding direction, the first filtering assembly is communicated with the buffer tank through a first pipeline, the delivery pump is communicated with the second filtering assembly through a second pipeline, and the self-cleaning feeding system further comprises a cleaning assembly and a control assembly, the tank is communicated with the buffer tank; the first reversing valve is arranged on the second pipeline; one end of the third pipeline is communicated with the first reversing valve, and the other end is communicated with the first pipeline; the first reversing valve is suitable for communicating the conveying pump and the second filtering assembly or communicating the conveying pump and the third pipeline; one end of the fourth pipeline is communicated with the feeding end of the first filtering assembly, and the other end is communicated with the first pipeline; wherein the connection point of the fourth pipeline and the first pipeline is located between the third pipeline and the buffer tank. The technical problems that when an existing feeding system cleans a pipeline, the pipeline needs to be dismantled, the cleaning efficiency is low, material leakage is likely to happen, and the cleaning difficulty is large are solved.

This utility model discloses a lightweight coated grille, relating to the field of automotive grille technology. It includes a metal mesh substrate, with a composite coating applied to the outer side of the metal mesh substrate. The composite coating is sequentially configured as a primer layer, a core layer, a transition layer, and a top layer. The primer layer comprises a conversion layer and a protective layer, with the inner side of the conversion layer and the outer side of the protective layer contacting the outer side of the metal mesh substrate and the inner side of the core layer, respectively. The conversion layer is a nano-zirconium-based conversion agent coating, the protective layer is a graphene-containing epoxy zinc-rich primer coating, and the core layer is a hollow ceramic microparticle-modified polyurethane coating. The outer side of the core layer contacts the inner side of the transition layer, and the outer side of the transition layer contacts the inner side of the top layer. This lightweight coated grille, based on an aluminum / magnesium alloy substrate and a multi-layer synergistic coating design, achieves comprehensive performance improvements in long-term corrosion resistance, environmental tolerance, thermal and acoustic management, and surface self-maintenance while maintaining extreme lightweight properties.

This utility model relates to a gas cooling and scrubbing tower, belonging to the field of gas purification technology. It includes a tower body, an air inlet, an air outlet, and a liquid outlet, located on the side, top, and bottom of the tower body, respectively. Between the air inlet and outlet within the tower body's internal cavity, a first spray device, a uniform flow water curtain layer, and a second spray device are sequentially arranged from bottom to top. The uniform flow water curtain layer includes a uniform flow water curtain baffle, and a water curtain regulating component is arranged above the baffle. This utility model utilizes the uniform flow water curtain baffle and the second spray device to repeatedly deflect, mix, cool, and scrub dust-laden gas, solving the problems of gas flow deviation, poor cooling and scrubbing effects in existing hollow cooling and scrubbing towers. It has the advantages of high scrubbing efficiency, low resistance, no clogging, simple structure, and easy maintenance.

This invention relates to the field of steam appliance technology and discloses a novel steam flow channel structure, comprising a closed cavity formed by assembling a base plate, a mounting frame, a cover plate, a frame, and a top plate. The closed cavity contains a flow channel for water flow and vaporization. At least one water-blocking rib is provided on the inner wall of the flow channel. This rib obstructs and impacts the water as it flows through, prolonging the water's residence time within the channel and promoting the refinement of water molecules. Through the inverted fish-scale-shaped water-blocking rib structure, as the water flows within the channel, it continuously collides with and rebounds against the ribs, slowing the water's forward speed and increasing the contact time between the water and the inner wall of the channel. Simultaneously, the hook-shaped structure causes secondary collisions between water molecules after initial impact, breaking large water molecule clusters into smaller clusters, making it easier for the water to absorb heat and complete vaporization, thus improving vaporization efficiency.

The utility model discloses a short material receiving frame which comprises a machine frame, a conveying mechanism, a first support, a translation mechanism, a second support, a brush and two scrap collecting discs. The conveying mechanism is arranged on the rack and comprises a plurality of material receiving plates doing circulating motion, and the material receiving plates are used for receiving and conveying short materials forwards; the first bracket is arranged below the conveying mechanism; the translation mechanism is arranged on the first bracket; the output end of the translation mechanism is connected with the second support so as to drive the second support to reciprocate in the length direction of the material receiving plate. The brush is rotatably arranged on the second support, a rotating mechanism is arranged on the second support, and the output end of the rotating mechanism is connected with the brush; the axis direction of the brush is parallel to the moving direction of the second bracket; the two scrap collecting discs are arranged on the two sides of the first support correspondingly. According to the short material receiving frame, the self-cleaning function of the material receiving plate is achieved, and the follow-up maintenance workload is effectively reduced.

The utility model relates to the technical field of waste heat recovery, in particular to a self-cleaning waste heat recovery filtering device which comprises a box body, the surface of the box body is fixedly connected with a water inlet pipe and a water outlet pipe, a heat exchange pipe is arranged in the box body, and one end of the heat exchange pipe is fixedly connected with a purification mechanism. The filter screen plate is arranged in the purification box of the purification mechanism, impurities of entered fluid media (such as waste gas and the like) can be filtered out, the impurities are prevented from entering subsequent heat exchange pipes and other components, the heat exchange efficiency can be improved, the waste heat recovery effect is guaranteed, and the energy-saving and environment-friendly effects are achieved. And meanwhile, the scraping plate is driven by the electric push rod to scrape and clean the filter screen plate, the self-cleaning function is achieved, manual regular cleaning is not needed, the cleaning efficiency is improved, and the device can be better kept in the optimal working state all the time.

The utility model discloses a data acquisition device for mountain rainwater collection, which relates to the technical field of data acquisition equipment and comprises a cylinder, a box and a collection hopper, a driving mechanism is arranged in the cylinder and comprises a fixed shaft, the fixed shaft is coaxially arranged on the inner side of the cylinder, a sleeve is rotatably sleeved on the outer arc wall of the fixed shaft, and the fixed shaft is sleeved on the box. A fixing ring is fixed on the outer arc wall of the fixing shaft at the top inside the sleeve; according to the utility model, the positions of the plurality of filter screens are changed through rotation, so that each filter screen is not in the same position for collecting rainwater for a long time, impurities are prevented from being continuously accumulated on the meshes, and when the filter screens rotate to change the positions, rotation operation can be carried out, and the filter surfaces are reversely arranged, so that the rainwater collection efficiency is improved. Impurities originally attached to the surface of the filter screen can naturally fall off under the action of gravity and centrifugal force, the self-cleaning function of the filter screen is achieved, the frequency and workload of manually cleaning the filter screen are reduced, and the maintenance cost is reduced.

The invention discloses a plate-and-frame filter press and method for producing phosphate, and relates to the technical field of phosphate production.The plate-and-frame filter press comprises a rack, a guide rail is arranged on the rack, a plurality of filter plates are arranged on the guide rail in a sliding fit mode, an ejection piece is further arranged on the rack, and the surfaces of the filter plates are covered with filter cloth; the rack is provided with a moving part which can at least move along the longitudinal direction of the plurality of filter plates, the moving part crosses over the plurality of filter plates, a connecting part is coupled between the filter plates and the moving part, and the connecting part is matched to move cooperatively with the moving part in a removable manner. Through cooperation of the connecting pieces and the moving pieces, the multiple filter plates can move in the longitudinal direction at the same time, the different filter plates can stop moving after moving by different distances, and therefore separation and stripping of the multiple filter plates are achieved. Compared with the prior art, the multiple filter plates can be moved and separated at the same time through cooperation of the connecting pieces and the moving pieces, so that the time needed for separating the filter plates is shortened, and the efficiency of filtering operation is improved.

The invention relates to a self-cleaning filter screen assembly, an air opening structure and air handling equipment, the self-cleaning filter screen assembly comprises a first filter screen assembly, a second filter screen assembly and a driving module, the first filter screen assembly and the second filter screen assembly are oppositely arranged, a plurality of first protruding structures are arranged on the first filter screen assembly, and a plurality of second protruding structures are arranged on the second filter screen assembly; the first protruding structure extends towards the second filter screen assembly and is used for being connected with the second filter screen assembly in an abutting mode. The driving module is connected with the first filter screen assembly and / or the second filter screen assembly and used for achieving relative movement of the first filter screen assembly and the second filter screen assembly. According to the self-cleaning filter screen assembly provided by the invention, relative movement of the first filter screen assembly and the second filter screen assembly is realized through the driving module, so that relative friction is generated between the multiple first convex structures and the second filter screen assembly, and impurities on the second filter screen assembly are removed; and the first filter screen assembly also vibrates, and impurities fall off, so that automatic cleaning of the first filter screen assembly and the second filter screen assembly is realized.

The utility model relates to the field of evaporation equipment, in particular to a self-cleaning spray head. Comprising a spray head body, a telescopic rod and an elastic membrane, a water containing cavity is formed in the spray head body, and a water inlet, a water outlet and a mounting opening which are communicated with the water containing cavity are formed in the spray head body; the elastic membrane is fixedly installed on the installation opening and seals the installation opening, one end of the telescopic rod and the elastic membrane are fixedly arranged, the other end of the telescopic rod is provided with a plugging part, and the plugging part extends into the water outlet and closes the water outlet; when water enters the water inlet, the water pressure of the water containing cavity rises, the elastic membrane expands from inside to outside and drives the plugging part of the telescopic rod to retract, and therefore the water outlet is opened. According to the self-cleaning spray head, the spray head can be self-cleaned, and therefore the situation that the spray head is blocked is reduced.

The utility model provides a kind of self-cleaning transformer, it is related to transformer technical field, including transformer body, the outside of transformer body is detachably connected with protective box, the inner wall of protective box is fixedly installed with fixed frame one, the inside fixed mounting of fixed frame one is electric push rod no. No. Electric push rod is fixedly installed with mounting cylinder in the output end, the inside of mounting cylinder is sleeved with mounting plate, cooperation between brush plate, motor no. When a group of filter plate is filtered and used, another group of filter plate will move to the position of fixed frame one, the rotation of connecting plate can be controlled by motor no. At this time, electric push rod no. Brush plate rotation can clean the outer surface of filter plate, realize the self-cleaning function of transformer body to internal heat dissipation component, conducive to the stable operation of protecting transformer body.

The utility model discloses an acoustic radar protective cover device for a wind power plant, which comprises an acoustic radar body, a base frame, a rectangular pyramid framework, acoustic transmission cloth and a positioning clamping plate, the base frame is arranged at the top end of the acoustic radar body, the rectangular pyramid framework is welded at the top end of the base frame, and the acoustic transmission cloth is adhered outside the rectangular pyramid framework. Mounting tables are arranged at the corners of the top end of the acoustic radar body, threaded rods are mounted in the mounting tables through bearings, one ends of the threaded rods extend to the outer portions of the mounting tables and are provided with rotary knobs, the outer walls of the threaded rods are sleeved with threaded sliding blocks, and the positioning clamping plates are arranged above the mounting tables. A protruding block is arranged on the outer wall of one side of the positioning clamping plate, a clamping groove is formed in the position, at the protruding block, of the outer wall of the base frame, and the clamping groove is matched with the protruding block. The self-cleaning curtain wall is firm in installation, convenient to disassemble and assemble, capable of achieving the self-cleaning function and good in stability.

This invention discloses a microchannel heat sink for communication equipment, belonging to the technical field of microchannel heat sinks. It includes a heat sink body, a flow divider, and a trigger. The heat sink body includes two symmetrically distributed manifolds. Multiple microchannel plates are evenly distributed between the manifolds and are vertically distributed along the manifolds. Multiple evenly distributed V-shaped fins are installed between the microchannel plates, and flow channels are formed within the microchannel plates. The microchannel plates are connected to both manifolds through these flow channels. This invention uses heat-absorbing fins to contact the heat source, rapidly transferring heat to the inner cavity of the heat-conducting block. The heat-conducting block absorbs heat and transfers it to the trigger rod. When the temperature of the heat-conducting block and the trigger rod exceeds 40-45°C, the trigger rod deforms and extends upwards, thereby pushing the sealing plug to open the flow divider, allowing more coolant to flow into the heat dissipation cavity to cope with the increased heat load and facilitate coolant entry into the heat dissipation cavity.

The utility model discloses filtering equipment for water treatment, which relates to the technical field of filtering equipment and comprises a blow-off pipe, a fixing sleeve is mounted on the outer wall of the blow-off pipe, and a positioning rod penetrates through the inside of the fixing sleeve. Through the arrangement of the blow-off pipe, the fixing sleeve, the positioning rod, the positioning sleeve, the positioning block, the connecting rod, the fixing shaft and the filtering sleeve, the fixing sleeve is connected with the blow-off pipe in a sleeved mode, then a flange is fixed through the positioning rod and the positioning sleeve, disassembly and assembly are convenient, and then the filtering sleeve is connected with the fixing sleeve in a sleeved mode. The fixed shaft penetrates through the interior of the connecting rod and is in threaded connection with the positioning block, sewage discharged by the blow-off pipe can be preliminarily filtered and intercepted through the arrangement of the filter sleeve, when sundries are accumulated on the surface of the filter sleeve or a water outlet pipe opening of the blow-off pipe, the fixed shaft is reversely rotated to release the locking state, and then the filter sleeve is pulled outwards; the cleaning device is simple in operation, efficient in cleaning and higher in practicability.

The utility model discloses an automatic edge shearing structure applied to an injection-blowing-drawing integrated molding plastic bucket mold, and relates to the technical field of injection molding processing equipment. The automatic edge shearing structure of the injection-blowing-drawing integrated forming plastic bucket mold comprises a box body, a top plate is fixedly installed at the top of the box body, and a cleaning mechanism used for cleaning the device shearing structure is fixedly installed on one side of the bottom in the box body. An electric rod is electrified to operate to drive a constant-speed motor to vertically move out of the interior of the box body, so that after the constant-speed motor vertically moves to a specified position, a heating pipe is electrified to operate to generate heat and transfer the heat into a fixing sleeve, and high temperature can be transferred into a steel wire brush through the fixing sleeve, so that the steel wire brush is in a high-temperature state; and then the constant-speed motor is powered on and operates to drive the fixing sleeve to rotate, the high-temperature steel wire brush can be driven to clean the cutter through the rotating fixing sleeve, and the self-cleaning function is achieved.

The utility model provides a rolling brush with a self-cleaning function, which relates to the technical field of rolling brushes and comprises a rolling brush mounting rack, two first bearings are fixedly inserted into the inner surface wall of the rolling brush mounting rack, a rolling brush body is fixedly inserted between the interiors of the two first bearings, and two first sliding chutes are formed in the inner surface wall of the rolling brush mounting rack; and a moving frame is slidably embedded between the inner surface walls of the two first sliding grooves, two second bearings are fixedly inserted into the inner surface wall of the moving frame, and a brush roller is fixedly inserted between the interiors of the two second bearings. According to the self-cleaning rolling brush, under the interaction of all the assemblies of the device, the self-cleaning function is achieved through the rolling brush, complexity and low efficiency of manual cleaning are avoided, the rolling brush can be kept in a good cleaning state all the time through automatic cleaning, the cleaning capacity on the target surface is more stable and efficient, and therefore the overall cleaning efficiency is improved, and the service life of the rolling brush is prolonged. And secondary pollution to the surface of a target caused by falling of dirt in subsequent operation is avoided.

The present invention relates to the technical field of semen freezing equipment, and specifically discloses a self-cleaning bovine semen freezing device, including a freezing box, a freezing unit arranged in the freezing box, and the freezing unit includes a sperm storage tube, a horizontally arranged circular support seat, a plurality of brush assemblies, a driving mechanism and an anti-rotation mechanism. The brush assemblies are evenly distributed along the circumference of the circular support seat and are assembled on the circular support seat along its radial sliding. The driving mechanism includes a first driving assembly for driving the circular support seat to rise and fall and rotate around its own axis. The driving mechanism also includes a second driving assembly for driving the brush assemblies to approach each other when the circular support seat descends and to move away from each other when the circular support seat rises. The self-cleaning bovine semen freezing device provided by the present invention can remove dust and other pollutants on the inner wall of the sperm storage tube and remove frost and the like on the outer wall, thereby realizing a self-cleaning function, preventing semen from being contaminated, and having an anti-slip function.

This invention relates to the field of multi-split air conditioning system technology, specifically to a disturbance control method for the outer loop electronic expansion valve of an air conditioning system. The problem this invention addresses is how to actively eliminate oil and refrigerant blockage and reduce exhaust temperature during defrosting or oil return processes through forced disturbance control of the outer loop electronic expansion valve. To solve this problem, this invention provides a control method comprising: acquiring the operating status parameters of the air conditioning system; determining whether the air conditioning system has triggered a disturbance program based on the status parameters; correcting the reference setting based on the exhaust temperature, compressor return superheat, and oil separator return oil temperature during the execution of the disturbance mode; determining whether to exit the disturbance program based on the exhaust temperature and the execution duration of the disturbance program during defrosting and oil return modes; and automatically exiting the disturbance program when the air conditioning system exits the defrosting or oil return mode.

The application relates to the technical field of vehicle-mounted lenses, and particularly discloses a self-cleaning lens and a vehicle. The self-cleaning lens comprises a lens barrel with a light passing hole, the light passing hole is provided with a bearing part, a lens is provided in the light passing hole and has a subject side and an image side arranged oppositely, a non-effective area of the image side abuts against the bearing part, a locking member is provided with a light inlet hole, the locking member is connected with the outer side of the lens barrel and covers part of the non-effective area of the image side in the optical axis direction, a gap is arranged between the locking member and the non-effective area of the subject side in the optical axis direction, a sealing member is arranged between the non-effective area of the subject side and the locking member, a piezoelectric element is connected with the non-effective area of the image side, and a driving unit is electrically connected with the piezoelectric element and is configured to drive the piezoelectric element to vibrate the lens along the optical axis direction. The self-cleaning lens can realize the self-cleaning function and reduce the operation and maintenance cost of the self-cleaning lens.

The utility model discloses a flaw detection device for repairing a pipe wall of an oil pipe, and relates to the technical field of flaw detection devices. The oil pipe wall flaw detection repairing device comprises a box body, a mounting disc is fixedly mounted in the box body, a cleaning mechanism is fixedly mounted on one side of the mounting disc, and a plurality of driving mechanisms are mounted on the outer side of the box body at equal intervals. A servo motor is powered on to operate to drive a fixing plate to rotate, the rotating fixing plate can drive an industrial camera to rotate, and then the industrial camera is powered on to operate to monitor and record the internal environment and the damage state of the oil pipe in real time; a constant-speed motor is powered on to operate to drive a linkage rod to move in an arc-shaped position, the linkage rod moving in the arc-shaped position can drive a sponge plate to move in a synchronous position, the sponge plate moving in the position can abut against and clean the industrial camera lens, and the self-cleaning function of the device is achieved.