70results about How to "The process is simple and fast" patented technology

The invention belongs to the field of rockfill material grading detection, and relates to a rockfill material grading detection method and device based on an image segmentation algorithm, and the method comprises the steps: 1) obtaining an image after paving of stone particles; 2) preprocessing the stone image; 3) inputting the preprocessed image into an instance segmentation model to obtain mask information of stone particles; 4) extracting mask quantitative indexes and shape characteristic parameters in the mask information of the stone particles, and performing particle size and stone total volume conversion in each particle size range on the mask quantitative indexes and the shape characteristic parameters; (5) converting the obtained stone particle size and volume into three-dimensional stone particle gradation, and drawing a stone particle apparent gradation curve; 6, the obtained stone particle apparent grading curve is corrected through the data fusion model.The final stone particle three-dimensional overall grading curve is obtained.The method has the advantages of being high in adaptability, free of a special detection environment and high in detection precision.

The invention discloses an Au (at) Pt core-shell structure supported catalyst which comprises a carrier and Au (at) Pt nanoparticles supported on the carrier, the Au (at) Pt nanoparticles are of a core-shell structure, a core layer is Au, a shell layer is Pt, the particle size of the Au (at) Pt nanoparticles is 2-10 nm, the diameter of the core layer is 1-3 nm, and the thickness of the shell layer is 1-7 nm. The invention also discloses a preparation method of the Au (at) Pt core-shell structure supported catalyst and an application of the Au (at) Pt core-shell structure supported catalyst in an alcohol oxidation process. According to the method, the alcohol oxidation catalyst can be prepared only through room-temperature liquid-phase reduction, the process is simple and convenient, the prepared catalyst has a unique core-shell structure and is excellent in catalytic activity and stability, and corresponding carboxylic acid can be obtained through alcohol high-conversion-rate oxidation of a reaction system under the condition that no additional alkali is added.

The utility model discloses a lock nut detection mechanism which comprises an installation workbench, the top of the installation workbench is provided with a supporting main frame, one side of the supporting main frame is fixedly connected with a third servo module, one side of the third servo module is provided with a third module track, and the other side of the third servo module is provided with a second module track. A third supporting frame matched with the third module rail is fixedly connected to one side of the supporting main frame, an electric screw tightening gun is fixedly connected to one side of the third servo module, and a displacement sensor is fixedly connected to the top of the electric screw tightening gun. The device has the beneficial effects that the third servo module, the third module track, the third support frame, the electric screw tightening gun and the displacement sensor are arranged, so that the height of a lock nut locked and fixed by the electric screw tightening gun can be conveniently adjusted and moved along a Z coordinate line; and the position movement condition of the electric screw tightening gun can be known in real time through operation and cooperative use of the displacement sensor, and then auxiliary help is provided for detection work.

The utility model relates to the technical field of lighting, and particularly discloses a quickly replaceable LED lamp tube structure which comprises a lamp tube and a mounting seat, the lamp tube is in sliding connection with the mounting seat through a contact protective shell, a push plate is elastically connected in the mounting seat, the surface of the push plate is fixedly connected with a triangular plate, and the triangular plate is fixedly connected with the contact protective shell. A rotating block is rotationally connected in the mounting seat, a supporting block is elastically connected in the rotating block, the supporting block is in contact with the contact protection shell, and the mounting seat is in contact with the triangular plate; the device has the beneficial effects that a contact protection shell of a lamp tube is quickly inserted along a sliding groove, and when mounting and dismounting can be completed through rotation and resetting of a rotating block and a supporting block, a fixing plate is pressed, the rotating block and the supporting block start to rotate at the moment, so that the contact protection shell is separated from the supporting block, and the contact protection shell falls to make contact with a triangular plate; the whole process is simple and rapid, and the lamp tube can be conveniently and rapidly detached and replaced.

The utility model discloses a tourist flow shunting device relates to the technical field of scenic spot device, including fixed frame and movable frame, one side of fixed frame is equipped with the vertical board no.

The utility model relates to the technical field of air dryers, in particular to an air dryer filter element easy to assemble, which comprises a lower support cover, an inner barrel is sleeved outside the lower support cover, a molecular sieve is filled in the inner barrel, an oil-gas separation paper tube is sleeved on the outer side wall of the inner barrel, a retainer ring is wound on the outer side wall of the oil-gas separation paper tube, and a filter element is arranged on the inner barrel. The top of the inner barrel is sleeved with an upper cover, the bottom of the inner barrel is sleeved with a bottom cover, an air outlet is formed in the top of the inner barrel, and a first air inlet is formed in the top of the upper cover. The top and the bottom of the inner barrel are sleeved with the upper cover and the bottom cover respectively, the first male buckle is inserted into the first female buckle to be clamped and fixed, assembling can be completed, tools are not needed, the process is simple and rapid, the assembling efficiency is improved, and production and use of the air dryer are facilitated.

The invention relates to a test system and method for testing nvme hard disk power-on time, the test system comprises a PCIE state machine, a log recording module, a log analysis module, a clock circuit module and a power-on time analysis module, a command sending module is arranged in the PCIE state machine, and the PCIE state machine represents the state of a PCIE equipment interface and conversion data; the command sending module continuously sends ICMP echo request data to the server host and continuously waits for the host to return an ICMP echo response; the log recording module records logs in the PCIE state machine; the log analysis module analyzes logs generated by the PCIE state machine and judges the working state of a communication link of the PCIE state machine; the clock circuit is used for generating and providing an accurate and stable clock signal; and the power-on time analysis module acquires the log based on the log analysis result and the log record and acquires the corresponding hard disk power-on time by the clock circuit. The power-on time of the hard disk can be tested without using a professional instrument, so that the test cost of the server hard disk is reduced.

The utility model discloses conductive cloth suitable for 360-degree wrapping and attaching, which comprises conductive cloth, a double-sided adhesive tape and a silica gel protective film which are matched with each other, a plurality of pieces of conductive cloth are arranged on the silica gel protective film, the double-sided adhesive tape is arranged on one surface, far away from the silica gel protective film, of the conductive cloth, and a workpiece is wrapped and attached through the conductive cloth. According to the conductive cloth suitable for 360-degree wrapping and attaching, the double-faced adhesive tape has good adhesive performance, the conductive cloth can be wrapped and attached to a workpiece such as a plastic piece at 360 degrees, the conductive and shielding effects are achieved, it is guaranteed that the silver gray face of the conductive cloth faces inwards and the black face of the conductive cloth faces outwards during wrapping and attaching, the color of the conductive cloth is consistent with that of the workpiece, the attractiveness is improved, and the service life of the conductive cloth is prolonged. The problems of reverse pasting, wrong pasting and the like can be avoided, rapid wrapping and pasting can be achieved by arranging an avoiding step and a positioning hole, the process is simple and convenient, the working efficiency is high, the yield is high, and the method is suitable for industrial application and popularization.

The utility model relates to the technical field of haemostat for hepatobiliary surgery, and discloses a multifunctional clinical haemostat which comprises an arc-shaped fixing plate, the left end and the right end of the arc-shaped fixing plate are both rotationally connected with arc-shaped rods, the opposite ends of the arc-shaped rods are both fixedly connected with binding belts, and the front end of the binding belt at the left end is fixedly connected with a hook-and-loop fastener. And a plurality of sliding groove blocks are fixedly connected to the upper side and the lower side of the front end of the arc-shaped fixing plate correspondingly, pressing balls are connected to the inner walls of the sliding groove blocks through first springs correspondingly, and a pressing air bag is connected to the bottom end of the arc-shaped fixing plate through an inflation assembly. According to the hemostasis bag, the inflatable bag is used for uniformly extruding the wound of a patient, so that the force required for extruding the wound by the patient is reduced, the workload of medical personnel is reduced, the hemostasis bag is convenient to replace, and the hemostasis bag is simple and quick to replace.

The invention discloses an automatic tableware putting machine. According to the device, an ultraviolet disinfection lamp telescopic motor is fixedly connected to the upper surface of a throwing machine shell, an ultraviolet disinfection lamp telescopic push rod is arranged at the lower end of the ultraviolet disinfection lamp telescopic motor, and an ultraviolet disinfection lamp bottom plate is arranged at the end, opposite to the ultraviolet disinfection lamp telescopic motor, of the ultraviolet disinfection lamp telescopic push rod; the end, opposite to the ultraviolet disinfection lamp telescopic push rod, of the ultraviolet disinfection lamp bottom plate is fixedly connected with an ultraviolet disinfection lamp, and one side of the putting machine shell is fixedly connected with an ultraviolet disinfection lamp telescopic frame. A telescopic ultraviolet disinfection lamp structure is additionally arranged on the automatic tableware feeding machine. When tableware needs to be disinfected, power can be provided through the ultraviolet disinfection lamp telescopic motor, the ultraviolet disinfection lamp bottom plate is driven by the ultraviolet disinfection lamp telescopic push rod to move in the vertical direction, and then the ultraviolet disinfection lamp is aligned with the tableware for disinfection.

The utility model relates to the technical field of trimming, and discloses a plastic product trimming device which comprises a trimming table, the bottom end of the trimming table is fixedly connected with a supporting shell, the top end of the supporting shell is rotatably connected with a rotating column, the outer side of the rotating column is fixedly connected with a power assembly, the top end of the rotating column is fixedly connected with a clamping assembly, and the clamping assembly is fixedly connected with the supporting shell. An electric guide rail is fixedly connected to the top end of the trimming table, a moving column is fixedly connected to the top end of the moving end of the electric guide rail, a moving frame is fixedly connected to the outer side of the moving column, a trimming assembly is fixedly connected to the outer side of the moving frame, and a movable pressing assembly is rotationally connected to the top end of the moving frame. The right end of the movable pressing assembly is fixedly connected with a limiting assembly. The plastic product trimming device has the advantages that the surface of the plastic product can be conveniently trimmed, and the whole process is simple and rapid.

The utility model provides a high-precision instrument signal acquisition device, which belongs to the technical field of measurement and comprises a power distribution cabinet body. The mounting mechanism comprises a fixed plate fixedly mounted on the inner wall of the power distribution cabinet main body, a mounting groove formed in the outer surface of the fixed plate, a clamping groove formed in the outer surface of the fixed plate, a signal collector arranged on the outer surface of the fixed plate, and a quick disassembly assembly for disassembling the signal collector; the quick release assembly comprises a clamping block attached to the inner surface of the fixing plate, a limiting column fixedly connected with the clamping block, and a sliding block slidably connected with the outer surface of the limiting column. According to the utility model, through mutual cooperation of all parts of the quick release assembly, a user only needs to manually pull the pull ring, the limiting column and the clamping block fixedly connected with the limiting column can be driven to synchronously move, and the sliding block is pushed to slide, so that the clamping block is separated from the clamping groove, the whole process is simple, convenient and rapid, the time required for daily maintenance and calibration is reduced, and the working efficiency is improved.

This utility model discloses a strip cutting device for a spring-loaded window, comprising a feeding track for conveying the spring-loaded window, an upper limit mechanism facing the feeding track, and a lower cutting mechanism located below the feeding track and protruding upwards. The spring-loaded window includes a spring body conveyed within the feeding track and a strip connected to the spring body and integrally formed into a long strip. At least one flap is formed at one end of the spring body facing the strip, and at least one connecting strip is formed at one end of the strip facing the flap, connecting to the flap. The lower cutting mechanism includes a lower lifting cylinder and at least one cutting post passing through the feeding track to cut the connecting strip. This utility model accurately cuts the strip on the spring-loaded window without affecting other components, effectively ensuring the accuracy of the strip cutting. Furthermore, it requires no manual intervention, saving time and labor, improving production efficiency, and meeting the needs of rapidly developing production.

The application belongs to the technical field of production equipment, and provides a full-automatic tableware production all-in-one machine, which is provided with a fixing plate, a connecting column, a mounting plate and a sliding plate. The fixing plate and the mounting plate are oppositely arranged, the sliding plate is slidably arranged on the connecting column, and the sliding plate is located between the fixing plate and the mounting plate. In this way, the first lifting mechanism can drive the sliding plate to slide on the connecting column, and then the second mold is close to the first mold for pressing. The whole process is simple and fast, the structure is simple and compact, and the cost is low and easy to maintain.

The invention discloses a multifunctional vehicle assembly and a control method thereof.The multifunctional vehicle assembly comprises an upper vehicle frame, a lower vehicle frame, a slewing bearing and a main control box arranged on the upper vehicle frame, and the upper vehicle frame and the lower vehicle frame are rotationally connected through the slewing bearing; a first rotating frame and a second rotating frame are arranged on the upper frame, a large arm is rotationally connected to the first rotating frame, a large arm oil cylinder is rotationally connected to the second rotating frame, and the other end of the large arm oil cylinder is rotationally connected with the middle of the large arm; the other end of the large arm is rotationally connected with a quick-change connector, the large arm is rotationally connected with one end of a connector adjusting oil cylinder, the other end of the connector adjusting oil cylinder is rotationally connected with the other end of the quick-change connector, a working head is arranged on the quick-change connector, and the working head is an excavator working head or a loading working head; through the structural arrangement of the quick-change connector, different working heads can be conveniently and quickly replaced, the design enables a vehicle to flexibly deal with different operation scenes, and the utilization rate and the operation efficiency of equipment are improved.

This utility model provides an integrated VOCs adsorption and purification device for industrial use, belonging to the field of air purification technology. It includes a housing, from bottom to top, comprising a filter chamber, a buffer chamber, and an exhaust chamber. An air inlet pipe is located on the outside of the filter chamber, and a filter unit with a filter cavity is installed inside the filter chamber. The air inlet pipe connects to the filter cavity. An air inlet connecting to the filter chamber is located at the bottom of the buffer chamber, and an air outlet connecting to the exhaust chamber is located at the top of the buffer chamber. An exhaust pipe is located on the outside of the exhaust chamber, and an exhaust fan is installed inside the exhaust chamber. The air inlet of the exhaust fan is connected to the air outlet, and the exhaust outlet of the exhaust fan is connected to the exhaust pipe. The integrated VOCs adsorption and purification device for industrial use provided by this utility model has a compact structure, high purification efficiency, stable operation, and convenient maintenance, meeting the needs of air pollution control.

The utility model relates to the technical field of engine parts testing, specifically is a valve guide rod surface friction and wear testing machine, including frame and fixed test bench on the frame, be provided with the guide seat on the frame, the guide seat inside slide joint has the cylinder type sliding block, the cylinder type sliding block drives the horizontal reciprocating movement in the guide seat through the first drive mechanism, the end of cylinder type sliding block is provided with the centering clamping mechanism for the valve guide rod circumferential clamping and coaxial positioning, the centering clamping mechanism includes the mandrel rotationally installed in the cylinder type sliding block inside, the mandrel is driven rotation through the second drive mechanism, is provided with the taper external thread head on the mandrel, the utility model discloses through the centering clamping mechanism design, has realized the quick clamping of valve guide rod sample, automatic centering and nondestructive clamping, effectively solved the technical problem that the traditional clamping mode exists and is poor in the centering accuracy, the operation is complicated, and the general property is insufficient, improved test efficiency and accuracy significantly.

The utility model discloses a waterproof socket, which comprises a base and plug bush silica gel, a pressure plate mounting groove is arranged in a top cover, jack silica gel and a waterproof pressure plate are embedded in the pressure plate mounting groove, the waterproof pressure plate and the jack silica gel are embedded in the top cover to realize preliminary waterproofing, and ox horn silica gel is matched to realize double waterproofing. Meanwhile, the plug bush silica gel sleeved on the positive and negative plug bushes and the wiring pin silica gel sleeved on the convex block at the bottom of the E-pole ox horn achieve a third waterproof practical effect, so that the damage of lines and electric appliances caused by a humid environment or raining is avoided; the flip cover, the rotating shaft, the top cover, the waterproof pressing plate and the jack silica gel form a top structure, the spring, the protection door, the E-pole ox horn, the positive and negative pole plug bushes, the base, the plug bush silica gel and the wiring pin silica gel form a bottom structure, the ox horn silica gel is fixed between the top structure and the bottom structure, the top cover is connected to the bottom structure in a sleeved mode, assembling is completed, the assembling process is simple and rapid, and the labor cost is low. The production efficiency is high.

This invention relates to the field of anti-theft technology, specifically disclosing an anti-theft electricity meter, including an installation cabinet. An anti-theft door is hinged to the front of the installation cabinet. The cabinet contains parallel installation plates and limiting plates. The outer wall of the installation plates is fixedly connected to the inner wall of the installation cabinet. Several arrayed installation holes are perforated on the end face of the installation plates. An anti-theft component is slidably connected to each installation hole, extending to one side of the limiting plate. A mounting shell is located near the anti-theft door, corresponding to one of the anti-theft components. The mounting shell is fixedly connected to the installation plate, and an electricity meter is placed inside the mounting shell. A cable tray is provided at the bottom of the mounting shell, and a protective cover is hinged to the front side of the mounting shell. This invention addresses the problem of the limited anti-theft methods in existing electricity meters.

The utility model discloses a device for realizing automatic sampling and monitoring of a sludge settling ratio by using laser ranging, which comprises a monitoring box body, a transparent measuring cylinder is arranged in the monitoring box body through a stabilizing mechanism, and an extraction assembly communicated with a liquid inlet at the top end of the transparent measuring cylinder is arranged in the monitoring box body. The input end of the extraction assembly extends into an external sludge tank, a laser distance measuring sensor is further arranged on the inner top wall of the monitoring box body through an adjusting mechanism, and the laser distance measuring sensor is matched with the transparent measuring cylinder. According to the invention, periodic automatic sampling can be realized and the sludge sedimentation ratio of each round can be recorded; meanwhile, the automatic sampling and monitoring device is simple and rapid in process, and can replace manual sludge mixed liquid sampling and sludge sedimentation ratio detection, so that automatic sampling and automatic alarm for sludge sedimentation ratio abnormity are realized, the whole process is automatically recorded without human intervention, and the accuracy of a final monitoring result can be improved.

The invention discloses a platinum nanoparticle / cerium oxide catalyst as well as a preparation method and application thereof. The platinum nanoparticle / cerium oxide catalyst comprises platinum nanoparticles and cerium oxide nanosheets, the platinum nanoparticles grow in situ and are uniformly distributed on the cerium oxide nanosheets, and the platinum nanoparticle / cerium oxide catalyst has an icosahedron structure. The preparation method comprises the following steps: reacting a mixed reaction system containing a platinum-containing metal precursor, a cerium-containing metal precursor, a surfactant, a reducing agent and a solvent to prepare the platinum nanoparticle / cerium oxide catalyst. The preparation method is simple and convenient in process and easy to operate, the prepared platinum nanoparticle / cerium oxide catalyst is high and stable in catalytic efficiency and high in toxicity resistance when serving as a methanol oxidation catalyst, the problems that an existing precious metal platinum catalyst is high in cost, not ideal in activity and poor in stability can be effectively solved, and the catalyst is suitable for industrial production. The catalyst can be widely applied to catalytic methanol oxidation reaction.

The utility model relates to the technical field of signboards, in particular to a nursing bed nurse signboard which comprises a signboard body and a clamping device used for fixing and clamping the signboard body. The clamping device comprises a first clamping piece, a second clamping piece, a fixing block, a magnetic attraction block, a reset spring and a limiting rod, wherein the first clamping piece and the second clamping piece are arranged on the side face of the signboard body in a clamping mode, the fixing block is fixed to the corners of the back faces of the first clamping piece and the second clamping piece, the magnetic attraction block is fixed to the side face of the fixing block, the reset spring is fixedly connected to the inner side of the fixing block, and the limiting rod is matched with a round hole in the middle of the fixing block. The signboard body is clamped and positioned through the clamping device with the clamping range capable of being movably adjusted, the signboard body is convenient to replace, the signboard is suitable for being used for fixing signboard bodies of multiple sizes, the clamping device is fixed to a bed through magnetic attraction of a magnetic attraction block, the clamping device is convenient to use, and the clamping device is convenient to use. And meanwhile, loading and unloading are efficient and convenient.

The utility model relates to the technical field of anti-corrosion coating production raw material grinding devices, in particular to an antibacterial anti-corrosion coating production raw material grinding device which comprises a charging barrel, a grinding and grinding main body and a channel, one side of the charging barrel is communicated with the channel, and the grinding and grinding main body composed of a rotating rod and a grinding main body is arranged in the charging barrel. Connecting plates are fixedly connected to the front side and the rear side of the charging barrel, sliding grooves are formed in the surfaces of the connecting plates, sliding blocks are connected into the sliding grooves in a sliding mode, the tops of the sliding blocks are fixedly connected with connecting blocks, one side of each connecting block is arranged in an arc shape, a cover plate is fixedly connected to the arc-shaped position of each connecting block, and a telescopic hose is installed at the top of each cover plate. Through the arrangement of a structure capable of adsorbing raw material chippings, the residual raw material chippings in the charging barrel can be conveniently cleaned and collected, and through the arrangement of a rotatable and detachable scraper, the inner wall of the charging barrel can be conveniently cleaned, so that the cleaning effect of the charging barrel is improved.

The utility model provides a kind of electromagnet automatic lock device, belong to lock technical field. Including installation base plate, push-pull electromagnet, rotary electromagnet, lock tongue, lock tongue block, lock tongue guide block and manual lock assembly. Push-pull electromagnet and lock tongue guide block are fixedly installed on installation base plate, push-pull electromagnet has electromagnet push rod, and lock tongue is connected in electromagnet push rod;Rotary electromagnet is fixedly installed on the side of lock tongue guide block away from rotary electromagnet and its output end is connected lock tongue block, for driving lock tongue block rotation to limit or allow the movement of lock tongue respectively;Manual lock assembly is installed on installation base plate, including mechanical lock cylinder and the manual dial piece connected to one end of mechanical lock cylinder, and manual lock assembly is configured to drive lock tongue to carry out horizontal reciprocating motion by mechanical key. Overall small space occupation, installation and use are simple, and use adaptability and reliability can be effectively improved.

The invention discloses a conversion liquid for forming a conversion film on the surface of non-oriented silicon steel, the conversion liquid is acidic, the solid content of the conversion liquid is 10-30wt%, and the solid content of the conversion liquid comprises: an inorganic conversion film component which is selected from at least one of fluorides of titanium, zirconium, hafnium and silicon and accounts for 1-10wt% of the mass of the conversion liquid; and the water-based organic resin accounts for 0-20wt% of the mass of the conversion liquid. Correspondingly, the invention further discloses a process for forming the conversion film on the surface of the non-oriented silicon steel, and the process comprises the following steps: before an insulating coating procedure, carrying out surface dipping treatment on a non-oriented silicon steel substrate by adopting the conversion liquid disclosed by the invention; wherein the dipping time is 2-15 seconds, and the dipping temperature is 5-40 DEG C; and drying and curing to form the surface conversion film.

The utility model discloses a biomass fuel cut-off machine, and relates to the technical field of cut-off machines. The feeding device comprises a bottom plate and a feeding box, wherein a quick dismounting mechanism is arranged on the feeding box; the rapid dismounting mechanism comprises a supporting rod fixedly connected to the top face of the bottom plate, the left side of the supporting rod is fixedly connected with the right side of the feeding box, a cutter is slidably connected to the inner wall of the feeding box, a connecting column is fixedly connected to the top face of the cutter, and a sleeve is arranged on the outer wall of the connecting column. The biomass fuel cutting device comprises a sleeve, the inner wall of the sleeve is connected with a first inner threaded column in a sliding mode, the inner wall of the sleeve is connected with a second inner threaded column in a sliding mode, and the inner wall of the second inner threaded column and the inner wall of the first inner threaded column are in threaded connection with a rotating shaft. And a new cutter can be quickly disassembled and replaced, the process is simple and quick, and the cutting efficiency of biomass fuel is greatly improved.

The utility model discloses a saving and efficient net pulling machine which comprises a rack erected on the ground, a telescopic mechanism arranged on the lower portion of the rack, side edge clamping mechanisms symmetrically arranged on the two sides of the telescopic mechanism, a front end clamping mechanism arranged at the front end of the telescopic mechanism and a gauze frame conveying mechanism arranged at the rear end of the telescopic mechanism. The gauze frame conveying mechanism comprises a conveying table arranged at the rear end of the telescopic mechanism and gauze rotationally arranged at the end, away from the rack, of the conveying table. The middle of the conveying table is provided with a conveying opening allowing the screen frame and the gauze to be placed on the machine frame, the screen frame enters the machine frame through the conveying opening, and the gauze enters the upper portion of the machine frame through the conveying opening and is correspondingly clamped and stretched by the front end clamping mechanism and the side edge clamping mechanism. According to the utility model, through the structural arrangement of firstly tensioning the gauze and then arranging the gauze in the gauze frame, the gauze is effectively prevented from being adhered to the gauze frame under the condition that the gauze is not tensioned, the raw material of the gauze is effectively saved, the production cost is reduced, and the production efficiency and the yield are improved.

This application relates to a sensor consistency testing device in a tubular moisture content detection device, suitable for testing the consistency of two or more moisture content sensors within the tubular moisture content detection device. The device includes: a test tube, a base, and a positioning sleeve; both the test tube and the positioning sleeve are mounted on the base and detachably connected to it, with the positioning sleeve located within the cavity of the test tube; the inner diameter of the test tube is adapted to the outer diameter of the tubular moisture content detection device, and the inner diameter of the positioning sleeve matches the tip of the tubular moisture content detection device, enabling the tubular moisture content detection device to be installed within the test tube, with the tip of the tubular moisture content detection device inserted into the positioning sleeve; wherein, the test tube is made of a preset material, and the test tube is suitable for providing a uniform standard test medium for the sensors in the tubular moisture content detection device.

One or more embodiments of the invention provide an in-vehicle image display method, a storage medium and a program product, the method is applied to AR glasses, and the method comprises the following steps: obtaining an in-vehicle space model of a target vehicle and relative position information of a user and the target vehicle; under the condition of determining that the target vehicle is in the visual field visible area of the user, determining an in-vehicle image presented by the in-vehicle space model at the visual angle of the user according to the relative position information; and overlapping and displaying the in-vehicle image at a corresponding position of the target vehicle in the visual field visible area.

The utility model discloses filter cloth for sewage treatment, which comprises a main frame, one side of the main frame is of an open structure and is connected with a blocking frame, one end of the blocking frame is hinged with the main frame, the other end of the blocking frame is detachably connected with the main frame through a limiting assembly, and two pairs of auxiliary frames are longitudinally arranged in the main frame at intervals. Two pairs of auxiliary frames are longitudinally arranged in the main frame at intervals, coarse filter cloth, fine filter cloth, deep filter cloth and functional filter cloth are respectively arranged in the two pairs of auxiliary frames from top to bottom, and caulking grooves allowing the auxiliary frames to be embedded in a sliding mode are formed in the inner walls of the two sides of the main frame. The coarse filter cloth, the fine filter cloth, the deep filter cloth and the functional filter cloth are respectively mounted, so that multi-layer and all-directional efficient filtration of sewage is realized, and the sewage treatment effect is greatly improved.