17772results about "Cleaning using liquids" patented technology

The invention relates to a polishing process for improving local flatness of a silicon wafer, which belongs to the technical field of semiconductor manufacturing, and comprises the following operation steps of: 1, pretreating the silicon wafer, cleaning the silicon wafer, activating the surface of the silicon wafer, removing surface impurities and an oxide layer, and preparing for subsequent polishing; secondly, partition parameter setting is conducted, the wafer is scanned, the surface of the wafer is divided into a plurality of different areas, and independent polishing parameters are set for each area according to the material characteristics, the thickness and the preset flatness target of each area; and thirdly, dynamic polishing is conducted, specifically, multi-axis linkage polishing equipment is adopted, and the movement tracks and working parameters of the polishing head in different areas are dynamically adjusted in real time according to preset partition parameters. Through silicon wafer pretreatment, partition parameter setting and dynamic polishing process monitoring and feedback adjustment mechanisms, polishing process parameters can be accurately controlled, deviation in the polishing process can be corrected in time, and stability and consistency of polishing quality are ensured.

The invention relates to the technical field of photovoltaic supports, and discloses a photovoltaic mounting support which comprises a plurality of cross beams, a plurality of oblique beams erected on the cross beams and a plurality of supporting piles supported at the bottoms of the cross beams, and further comprises a carrying robot movably carried on the oblique beams. The carrying robot comprises a robot body, an adsorption assembly installed at the bottom of the robot body and moving wheel sets located on the two sides of the robot body. Mounting steps for mounting a photovoltaic panel are formed on two side walls of the oblique beam, and a track for the moving wheel set to walk is arranged at the top of the oblique beam; the adsorption assembly comprises a lifting disc fixedly installed at the bottom of the robot body and a plurality of suction cups. The sucker is fixedly connected with the lifting disc through a support arm; the moving wheel set comprises a plurality of self-driven wheels matched with the track and a connecting frame connected between the self-driven wheels and the robot body. The photovoltaic panel can be automatically transferred and carried to a designated area on the support, and the labor intensity of workers is reduced.

The present application relates to the technical field of mirror turning attachment, and particularly relates to a mirror turning AA attachment assembly and an attachment method. The mirror turning AA attachment assembly comprises a lens attachment device, a frame fixing device and a transfer device. The lens attachment device comprises a lens fixing device, a lens feeding device and a lens cleaning device. The frame fixing device comprises a frame fixing device, a frame feeding device, a frame feeding device, a frame cleaning device, a dispensing device and a frame detection device. The mirror turning AA attachment assembly has the advantages that the pollutants on the attachment surfaces of the lens and the frame are removed, and the quality is improved. The deviation caused by the process of the mechanical hand handing over the lens to the lens AA attachment mechanism and the deviation caused by the process of the mechanical hand handing over the frame to the main shaft are corrected, the deviation accumulation is reduced, and the position is accurate when the final lens and the frame are attached together.

The invention discloses a photovoltaic panel self-adaptive cleaning system and method based on sand and dust optical thickness monitoring. The photovoltaic panel self-adaptive cleaning system comprises a sand and dust optical thickness monitoring module, a data processing and control module, a cleaning execution module, a power supply module and a remote monitoring module. The sand and dust optical thickness monitoring module is used for monitoring the sand and dust optical thickness AOD of the environment where the photovoltaic panel is located in real time, calculating the AOD by measuring the light intensity attenuation of a specific wavelength, and correcting the atmospheric Rayleigh scattering optical thickness and the gas absorption optical thickness at the same time; the data processing and control module is in communication connection with the sand and dust optical thickness monitoring module and used for receiving the AOD data and comparing the AOD data with a preset dust retention threshold value, and when the AOD value is larger than or equal to the threshold value, a cleaning instruction is generated; and the cleaning execution module is used for receiving the cleaning instruction and executing cleaning operation. Intelligent and self-adaptive control of photovoltaic panel accumulated dust cleaning is achieved, the cleaning opportunity can be adjusted in real time according to the actual sand and dust optical thickness, and the cleaning pertinence and effectiveness are improved.

The invention discloses a medical B-mode ultrasound probe batch disinfecting apparatus and disinfecting method. The medical B-mode ultrasound probe batch disinfecting apparatus comprises a bottom plate, and is characterized in that the upper side of the bottom plate is fixedly provided with a washing tank and a disinfecting tank, the outer edge of the upper side of the disinfecting tank is fixedlyconnected with a motor by virtue of a curved rod, an output shaft of the motor is fixedly connected with a fan, the middle portion of the upper side of the bottom plate is fixedly connected with a ball groove by virtue of a cylinder, the middle portion of the upper side of the ball groove is provided with a slideway, a round ball is hinged into the ball groove, one side of the ball groove is fixedly communicated with a barrel, one end of a round rod of an L-shaped rod is arranged in the barrel, the round-rod end portion of the L-shaped rod is fixedly connected with the round ball, the other end of the L-shaped rod is fixedly connected with a key groove, the key groove passes through an arched slideway, and the middle portion of the lower side of the arched slideway is fixedly connected with the bottom plate by virtue of a supporting column. The invention relates to the field of medical devices, in particular to the medical B-mode ultrasound probe batch disinfecting apparatus. By adopting the medical B-mode ultrasound probe batch disinfecting apparatus, the batch disinfection can be performed on a B-mode ultrasound probe.

The invention provides an airborne self-adaptive photovoltaic cleaning device and a cleaning pressure adjusting method thereof, and the device comprises a cleaning load module which comprises a water tank, a high-pressure spray head, a spray rod and an air pump; the laser locator is used for emitting laser to locate the cleaning position; the camera is arranged on the unmanned aerial vehicle; the airborne edge control terminal is used for collecting flight state data of the unmanned aerial vehicle and operation data of the cleaning load; the control circuit module is used for adjusting the water outlet pressure, the water outlet mode and the nozzle orientation; the cleaning management platform is used for monitoring and early warning the dust accumulation state of the photovoltaic module; the photovoltaic module dust deposition early warning system is used for providing dust deposition quantitative data; by integrating the cleaning management platform and the cleaning device, comprehensive automation and intelligentization of photovoltaic module cleaning work are achieved, compared with a traditional manual cleaning mode, the cleaning efficiency is greatly improved, dependence on manpower is reduced, and the cleaning device is particularly suitable for operation and maintenance cleaning work of large-scale and complex-terrain photovoltaic power stations.

The invention belongs to the technical field of cable processing, and relates to a preparation method and application of a flexible superconducting coaxial cable outer conductor. The preparation method comprises the following steps: mixing Nb powder and Ti powder by adopting a vibrating ball mill to prepare NbTi composite powder; a substrate of laser powder bed melting equipment is preheated, the NbTi composite powder is spread on the substrate of the laser powder bed melting equipment, a melting powder layer is scanned through the laser powder bed melting technology, a three-dimensional communicated grid structure is formed through interlayer staggered scanning, finally, the NbTi net-shaped alloy pipe is placed in a strong acid solution to be soaked for a short time, redundant metal powder is removed, and the NbTi net-shaped alloy pipe is obtained. And finally, the preparation of the flexible superconducting coaxial cable outer conductor for the quantum computer is realized.

The invention relates to the field of photovoltaic panel cleaning, in particular to an array type photovoltaic equipment intelligent cleaning robot which comprises a robot body, a walking mechanism and a cleaning mechanism, the walking mechanism is arranged at the bottom of the robot body, and the walking mechanism is used for driving equipment to move on the surface of an array type photovoltaic panel. The cleaning mechanism comprises a cleaning execution assembly and an adjusting mechanism. The adjusting mechanism is used for connecting the robot body with the cleaning execution assembly, and the adjusting mechanism can dynamically adjust the attaching state of the cleaning execution assembly and the surface of the photovoltaic panel according to the inclination angle of the photovoltaic panel; and the cleaning execution assembly is used for cleaning the surface of the photovoltaic panel and can clean stubborn substances. According to the photovoltaic panel cleaning device, stubborn stains on the surface of a photovoltaic panel can be cleaned, dust mixed in cleaning liquid can be reduced, the cleaning workload can be effectively reduced, the stains attached to the main cleaning rolling brush can be effectively reduced, and the cleaning effect of the main cleaning rolling brush can be effectively guaranteed.

The invention discloses a roll-to-roll cleaning control method and system for a flexible circuit board electronic structural member, and relates to the technical field of electronic manufacturing, and the method comprises the steps: carrying out the partitioning processing of a to-be-cleaned member, and obtaining a thin region and a thick region; the drying cavity is partitioned on the basis of the thin area and the thick area, and a partitioned temperature control method is constructed; a dehumidification drying module is placed, and a hot air drying method is obtained based on a chilled mirror dew-point instrument; the roll-to-roll cleaning control method is used for solving the problems that in an existing roll-to-roll cleaning control method for the flexible circuit board electronic structural part, differential temperature control is not carried out on a thick area and a thin area, and the influence of environment humidity in a drying cavity on the drying effect is not considered; the problems that a thin plate is overheated after being dried, water in a thick plate is not completely evaporated, watermarks which cannot be wiped appear on the surface of the electronic structural part, and then the practicability of the cleaned electronic structural part is affected are solved.

The invention relates to the technical field of quartz sand purification, in particular to a high-purity quartz sand purification method and equipment. 2, a magnetic separation stage; 3, an acid leaching stage; 4, an ultrasonic-assisted cleaning stage; 5, a high-temperature chlorination treatment stage; according to the quartz sand purification method, various impurities such as magnetic impurities, non-magnetic metal impurities and silicate impurities in the quartz sand can be deeply removed through the synergistic effect of multiple steps such as pretreatment, magnetic separation, acid leaching, ultrasonic-assisted cleaning and high-temperature chlorination treatment, the purity of the quartz sand reaches 99.999% or above, the strict requirements of high-end fields such as semiconductors and photovoltaics are met, and the method is suitable for industrial production. The purification steps are closely linked to form a modular purification process, and meanwhile, advanced technologies such as ultrasonic-assisted cleaning and high-temperature chlorination treatment are adopted, so that the impurity removal efficiency is remarkably improved, the purification time is shortened, and the energy consumption and the use amount of chemical reagents are reduced by optimizing the process and equipment.

The invention relates to the technical field of rust-proof treatment of metal products, in particular to a rust-proof discoloration-proof packaging system and method for a bronze-plated tire bead wire. The system sequentially comprises a cleaning unit, a surface treatment unit, a drying box, a film coating device, a cooling unit, a post-treatment unit, a take-up device and a packaging system according to the process. The core of the process method is as follows: the steel wire is immediately coated with a special antirust film coating agent to be cured by using waste heat generated after the steel wire is dried, and the film coating agent comprises water-based resin, a silane coupling agent, a conductive polymer, a nano filler and benzotriazole; during packaging, an intelligent packaging system with a built-in humidity response humidity control bag is adopted, and the humidity control bag can automatically release inert gas and a moisture absorbent when the environment humidity reaches a preset threshold value. Multiple synergistic protection on the surface of the steel wire is achieved, the anti-rust period is remarkably prolonged to 12 months or above through dynamic humidity control, meanwhile, the bonding performance and the retention rate of the steel wire and rubber are improved, and energy conservation and environment protection are achieved.

A vehicle wash assembly for distribution of fluids at a vehicle wash location includes a vehicle wash component operable to dispense fluid into a fluid line for application onto a vehicle by a downstream applicator, and an inlet or outlet of the vehicle wash component is associated with a port configured with an adjustable effective orifice area. A control system receives instructions corresponding to timing information, a target flow rate and / or a target volume of the fluid to be dispensed from the outlet, analyzes the instructions, and generates separate instructions that differ from those received. The separate instructions include a time for when the vehicle wash component is to be actuated, a duration of operation upon actuation, and an effective orifice area of the port. Upon transmission, the separate instructions cause the vehicle wash component to dispense the fluid according to such instructions during a dispensing operation.

The invention relates to the field of waste plastic recycling, and discloses plastic film recycling equipment which is used for cleaning and recycling broken plastic films. Comprising a cleaning pool, an inclined conveying belt is arranged at the tail end of the cleaning pool, water filtering holes are formed in the conveying belt, and an extrusion component is arranged on the conveying belt; and the fished-out fragments are extruded by the extrusion part, so that the drainage speed of the fragments is accelerated, and the subsequent recovery processing step is ensured to be smoothly carried out. A traditional conveying belt drains water only by means of gravity, and water in wet plastic fragments and between layers is difficult to effectively discharge, so that the water yield is large. The intermittent extrusion action is introduced in the operation cycle of the conveying belt, and the'wet cake 'structure formed by the surface tension of a water film of the wet material is destroyed in the squeezing process, so that the moisture is easier to release, the initial moisture content of the material is greatly reduced, the load of subsequent centrifugal dewatering or hot air drying equipment is effectively reduced, and the energy consumption and the operation cost are remarkably reduced.

A sensor cleaning system for cleaning an environment sensor includes: an air cleaning system configured to clean an environment sensor by spraying compressed air; a washer fluid cleaning system configured to clean the environment sensor by spraying washer fluid onto the environment sensor; a suction cleaning system configured to suck around the environment sensor; and a controller configured to control the air cleaning system, the washer fluid cleaning system, and the suction cleaning system.

The utility model discloses a cleaning device for stainless steel tableware production, which relates to the technical field of stainless steel tableware production and comprises a shell, a central controller is fixedly connected to the right side of the front side of the shell, a top frame is fixedly connected to the left side of the top of a fixing frame, and all-directional washing components are arranged in the shell and the fixing frame. A drying assembly is arranged in the top frame, and a filter screen cleaning assembly is arranged at the top of the filter screen. According to the stainless steel tableware washing device, the side faces, the top and the bottom of tableware can be washed in a water spraying mode from multiple angles through the arranged all-dimensional washing assembly, the problem that part of stains are left due to washing in a single direction is solved, and meanwhile the efficiency of the cleaning link in the whole stainless steel tableware production process is improved; and residues accumulated on the surface of the filter screen can be scraped off in time, meshes of the filter screen are kept unobstructed, tableware can be dried in time through the arranged drying assembly, and breeding of microorganisms such as bacteria is effectively inhibited.

The invention relates to the technical field of welding, in particular to a welding device special for a movable angle steel tower foot. Comprising a mounting platform, a to-be-welded tower foot is placed on the mounting platform, a positioning mechanism is arranged above the outer wall of the mounting platform, and a triggering mechanism for triggering the positioning mechanism is arranged on the outer wall of the mounting platform; the positioning mechanism comprises positioning frames fixedly arranged on the two sides above the outer wall of the mounting platform, first threaded rods are rotationally arranged above the outer walls of the positioning frames, positioning pieces are slidably arranged on the outer walls of the first threaded rods, and the positioning pieces are provided with cross-shaped grooves for containing the upper portions of the junctions of tower feet to be welded. The two ends of a to-be-welded tower foot are placed between the two positioning pieces for preliminary positioning, then the positioning piece located above is pressed by moving the triggering mechanism to trigger the two positioning pieces, and therefore the two ends of the to-be-welded tower foot are stably clamped at multiple angles, workers do not need to operate a plurality of clamping units one by one, and the working efficiency is improved. And the device is more convenient to use, so that the welding efficiency of the device on the tower foot of the angle steel tower is improved.

The utility model relates to the technical field of oil fume suction equipment, and provides a cleaning assembly and a range hood, and the cleaning assembly comprises a liquid storage part, a cleaning liquid container and an output pump. Wherein the liquid storage part is provided with an inlet end, a liquid outlet end and an air outlet end, and is arranged in the range hood; the cleaning liquid container is communicated with the inlet end and is suitable for providing cleaning liquid; the output pump is provided with a liquid inlet, a foam outlet and an air inlet, the liquid inlet is communicated with the liquid outlet end, the air inlet is communicated to the air outlet end, and the foam outlet outputs a liquid-air mixture. According to the cleaning assembly provided by the utility model, the output pump can pump the cleaning liquid in the cleaning liquid container into the liquid storage part so as to supplement the cleaning liquid for the liquid storage part, and meanwhile, the foam outlet of the output pump can also pump the cleaning liquid out of the liquid storage part and output a liquid-gas mixture after the cleaning liquid is mixed with gas, so that the range hood is cleaned; according to the range hood cleaning assembly, when the range hood is cleaned by the cleaning assembly, the range hood can be cleaned without arranging two water pumps, the structure is simpler, and the cost can be saved.

The utility model relates to the field of semiconductor part processing, and discloses an ultrasonic cleaning device for semiconductor parts, which comprises an ultrasonic cleaning machine, the top ends of two sides of the ultrasonic cleaning machine are fixedly connected with mounting seats, the top ends of the mounting seats are provided with a support frame, and the top end of the support frame is provided with a dryer. And air conveying pipes are installed on the two sides of the drying machine, exhaust outlets are formed in the bottom ends of the air conveying pipes, hydraulic cylinders are installed on the two sides of the bottom end of the supporting frame, the output ends of the hydraulic cylinders are fixedly connected with fixing blocks, and a containing frame is arranged below the supporting frame. When the ultrasonic cleaning device for the semiconductor parts is used for cleaning, the semiconductor parts need to be laid in the placing frame, then the semiconductor parts are laid on the first net plate and the second net plate to achieve three-layer laying, when the placing frame is used for cleaning in the ultrasonic cleaning machine, the semiconductor parts cannot be stacked and extruded, the contact area of the parts is increased, and the cleaning efficiency is improved. The cleaning efficiency is improved, and the problem of inconvenience in full cleaning is solved.

A cleaning base station for a cleaning robot is disclosed. The cleaning base station includes a base station body, a cleaning structure, a first liquid storage structure and a second liquid storage structure. The base station body defines a cleaning space where the cleaning robot is capable of being parked, and the base station body includes a liquid applicating port on an upper side of the cleaning space and a sewage suction outlet on a lower side of the cleaning space. The cleaning structure is installed on a lower side of the cleaning space and is configured to clean a cleaning member of the cleaning robot. The first liquid storage structure is in communication with the liquid applicating port, and the second liquid storage structure is in communication with the sewage suction outlet.

The invention belongs to the technical field of industrial automation control, and particularly relates to a control system and method of a battery shell cleaning machine, and the method comprises the steps: obtaining a sound field signal in a cleaning tank, and carrying out the preprocessing to remove direct current drift and low-frequency mechanical vibration; the permutation entropy of the sound field signals is calculated to evaluate load complexity, a penalty factor of variational mode decomposition is adaptively constructed according to the load complexity, and then a fundamental frequency mode and a high frequency mode are separated; constructing a risk index reflecting the cavitation erosion degree according to the energy ratio of the high-frequency mode and the time domain volatility of the high-frequency mode; and according to the deviation between the risk index and the safety threshold, cooperatively adjusting the frequency jitter amplitude and the power amplitude of the ultrasonic generator. According to the method, through a self-adaptive decoupling damage signal and double-variable cooperative control strategy, on the premise that high cleaning efficiency is guaranteed, destructive cavitation and resonance damage are effectively restrained, and the balance between the cleaning effect and workpiece safety is achieved.

The invention discloses a glass bottle outer side paint spraying production device, and relates to the technical field of glass bottle machining, the glass bottle outer side paint spraying production device comprises a paint spraying machine box, a conveying assembly and a glass bottle fixing assembly.According to the glass bottle outer side paint spraying production device, through a flexible clamping structure formed by cooperation of a phase-change material and an air bag, self-adaption and lossless sealing of different bottle openings are achieved, and paint spraying vibration is effectively prevented; a supporting mechanism driven by a shape memory alloy in the bottle is combined, a temperature control rod is heated to trigger alloy phase change, a supporting strip is pushed to be evenly opened along a T-shaped sliding groove, stable inner supporting force is provided, rotating eccentricity is restrained, meanwhile, the temperature control rod transmits heat into the bottle through a heat conduction rod, the temperature of the bottle body is increased, paint leveling is promoted, the orange peel and sagging defects are reduced, and the paint spraying effect is improved. And a closed environment formed by sealed clamping further retains heat, paint film pre-drying is assisted, paint spraying uniformity, adhesive force and production efficiency are remarkably improved, and the device is suitable for automatic coating of high-precision glass bottles.

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

The utility model discloses an ultrasonic cleaning assembly and a cleaning machine, the cleaning machine comprises the ultrasonic cleaning assembly, a water collecting tank and a backflow assembly, and the ultrasonic cleaning assembly discharges cleaning liquid to the water collecting tank; the backflow assembly enables the cleaning liquid in the water collecting tank to flow back to the ultrasonic cleaning assembly. The ultrasonic cleaning assembly comprises an ultrasonic barrel, the ultrasonic barrel comprises a barrel body and transducers, the side wall of the barrel body is divided into N side wall units in a layered mode, N is an integer and is larger than 1, the transducers are arranged on the outer side faces of the side wall units at intervals along the circumference, and the diameters of the side wall units are large in the upper portion and small in the lower portion. And the side wall units on the lower layer are obliquely arranged relative to the side wall units on the upper layer. The side wall of the barrel body of the ultrasonic barrel body is gradually inclined, so that a big-end-up shape is formed, ultrasonic waves of the transducers of the side wall units can be gathered at the center point of the top of the barrel body, ultrasonic energy is enhanced, cleaning efficiency is improved, and cleaning of holes of the chopper is facilitated. The chopper cleaning device can be widely applied to the technical field of chopper cleaning.

The invention relates to the field of traditional Chinese medicinal material processing, in particular to traditional Chinese medicinal material treatment equipment for wash supplies. Traditional Chinese medicine treatment equipment for wash supplies comprises a fixing frame, a water washing tank, a first conveying belt and a second conveying belt installed on the fixing frame. A rinsing bath is mounted on one side of the fixing frame; a first conveying belt is mounted on the fixing frame; a second conveying belt is installed on the fixing frame and located on the lower left portion of the first conveying belt. According to the loquat leaf screening device, diseased leaves recognized by the camera are grabbed and removed through the arranged grabber, the overlapped loquat leaves are grabbed and separated, and the placing state of the loquat leaves is adjusted, so that the screening efficiency is improved, and smooth proceeding of subsequent brushing operation is guaranteed; and the air exhaust piece is arranged at the third roller to exhaust floating fluff, so that pollution to the loquat leaves and the surrounding environment can be reduced.

The invention discloses a relay bin device capable of intelligently detecting and adjusting the mineral height and a deep-sea mining system.The relay bin device comprises a relay bin, a height adjusting unit, a detecting unit and a self-cleaning unit, the height adjusting unit comprises a shell assembly, an air bag assembly and a piston assembly, the shell assembly is arranged in the relay bin, and the air bag assembly is arranged in the relay bin; the air bag assembly is arranged in the shell assembly, a high-pressure air chamber is formed in the air bag assembly, the movable end of the piston assembly extends into the high-pressure air chamber and is in sealed sliding connection with the high-pressure air chamber, and the movable end of the piston assembly can move up and down in the axial direction of the relay bin by inflating and deflating the high-pressure air chamber so as to adjust the height of mineral particles; the detection unit comprises a high-pressure waterproof radar and a high-pressure waterproof ultrasonic sensor, and the high-pressure waterproof radar and the high-pressure waterproof ultrasonic sensor are arranged on the two sides of a discharging port of the relay bin respectively; the cleaning end of the self-cleaning unit faces the high-pressure waterproof ultrasonic sensor and is used for cleaning the high-pressure waterproof ultrasonic sensor regularly.

The invention belongs to the technical field of circuit board processing, and particularly relates to flexible circuit board drilling equipment and a drilling method thereof.The flexible circuit board drilling equipment comprises a box body, a filtering piece arranged on the box body and an electric sliding rail, and further comprises two workbenches which are slidably connected to the electric sliding rail and used for being alternately located at a feeding and discharging station and a drilling station; the negative pressure mechanism is arranged on the back surface of the box body and is used for applying negative pressure to the workbench at the drilling station for dust extraction during drilling; the auxiliary mechanism comprises a cleaning part arranged above the box body, a linkage part arranged at the rear end of the box body and an impurity removing part arranged below the filtering part; the guide grooves are formed in the inner walls of the front side and the rear side of the box body; and the trapezoidal block is fixedly connected in the box body. According to the device, integrated operation of efficient drilling, automatic dust removal and cleaning and safety protection can be achieved.

The invention relates to the technical field of range hood cleaning, and discloses a steam washing device and a range hood, and the steam washing device comprises a steam generator and a water production module. The steam generator is provided with a steam cavity and a water inlet communicated with the steam cavity, and the steam generator is used for heating the cleaning medium in the steam cavity to generate steam. The water production module is connected with the steam generator, the water production module comprises a refrigeration sheet and a condensation fin, the condensation fin is connected to the refrigeration sheet, and at least part of the condensation fin extends to the water inlet. Wherein the refrigeration sheet is used for providing cooling capacity and conducting the cooling capacity to the condensation fin, and the condensation fin is used for condensing water vapor in air to form condensed water and guiding the condensed water to flow to the water inlet so as to enter the steam cavity to supplement the cleaning medium. According to the technical scheme, automatic water supplementing without a water pump and a water tank can be achieved, condensate water is formed by condensing water vapor in air to supplement the cleaning medium, and continuous operation of the steam washing function is stably guaranteed.

The invention relates to a self-adaptive vehicle washing system for an engineering vehicle and a control method. According to the self-adaptive vehicle washing system for the engineering vehicle and the control method, the existence, contour and dirt characteristics of the vehicle are automatically detected through the sensing recognition system, the cleaning logic is autonomously executed in combination with the intelligent control system, vehicle guiding, equipment starting and stopping and washing operation do not need to be manually intervened, the cleaning efficiency is improved, and the working efficiency is improved. And continuous operation requirements of industrial scenes such as metallurgy and mines are met. The spray washing system adopts a top spray head and a lateral spray head which can move longitudinally and transversely to be matched with a fixed chassis spray head, and contours of different vehicles can be accurately covered; according to the method, grating sensing data and an image recognition result are fused through a lightweight convolutional neural network, the vehicle type and the dirt adhesion level are accurately judged, the water pressure, the nozzle angle and the cleaning time are dynamically adjusted, optimal matching of cleaning parameters is achieved, the water consumption and energy consumption are reduced, and meanwhile a cleaning program is continuously optimized through machine learning.

The invention relates to the field of photovoltaic panel cleaning, and discloses a photovoltaic panel intelligent cleaning method and system for photovoltaic operation and maintenance, and the method comprises the steps: carrying out the detection of the state of a photovoltaic panel in a preset time period, detecting the power generation amount, recognizing the dirt distribution, hot spot defects or physical damage, and recording the position of an abnormal region, and obtaining a detection result; a multi-parameter cleaning decision model is established, the detection result is imported into the decision model, and whether a cleaning system is started or not is judged; when it is judged that the cleaning system is started, the photovoltaic panel is cleaned according to the detection result; after cleaning is completed, the state of the photovoltaic panel is subjected to secondary detection through the detection equipment, the generating capacity is detected, and it is confirmed that no stain residues or newly-added damage exists; and after the secondary detection is completed, a detection result and a cleaning result are input into the system, and a data report is generated and uploaded to an upper computer, so that the water, electricity and labor costs are saved, and the precision, automation and intelligentization of the cleaning operation and maintenance of the photovoltaic power station are realized.

The invention discloses a shield tunneling machine cutterhead water jet control method, and relates to the technical field of shield tunneling machine engineering, and the method comprises the steps: obtaining the current rotation state parameters of a cutterhead and the geological parameters of a tunneling face; determining the wear risk level of each area of the cutterhead according to the parameters; whether a high-risk area exists or not is judged, if yes, a directional water jet mode is started to conduct centralized scouring on the high-risk area, and if not, a uniform water jet mode is started to conduct comprehensive scouring on the cutterhead; cutting efficiency parameters are monitored in real time, whether the cutting efficiency parameters are lower than a preset efficiency threshold value or not is judged, and if yes, a pulse water jet mode is started to remove adherends on the surface of the cutterhead. Partition precise control and multi-mode intelligent switching of water jet are achieved, the cutter head protection effect and the water resource utilization efficiency are improved, and the service life of the cutter head is prolonged.