410results about How to "Reduce restrictions" patented technology

The invention relates to a vacuum etching control system and a vacuum etching machine. The vacuum etching machine comprises a vacuum cavity, an ion source and a rotary workpiece table, wherein the ion source and the rotary workpiece table are arranged in the vacuum cavity; wherein the rotary workpiece table and the ion source are respectively connected to an industrial personal computer arranged outside the vacuum cavity; the rotary workpiece table rotates and swings the workpiece disc in the etching process, the ion source outputs ion beams to etch workpieces to be etched on the workpiece disc, and the industrial personal computer controls the ion source to output the ion beams with set parameters according to the current etching process. The maximum safety angle of swinging of the workpiece disc is calculated according to the target position of the rotary workpiece table in the vacuum cavity, the coverage range of swinging of the workpiece disc and the position parameters of all parts in the vacuum cavity, and the workpiece disc is controlled to swing within the maximum safety angle; according to the technical scheme, the internal space of the vacuum cavity is utilized to the maximum extent, the limitation on the etching process is reduced, the etching process effect is improved, and most vacuum etching process requirements are met.

The invention relates to the field of central air-conditioning systems, in particular to a full-recovery water source heat pump central air-conditioning system. The ground source heat pump system solves the technical problems that when a ground source heat pump system in the prior art is used in a region where the difference between the refrigerating duration in summer and the heating duration in winter is large, the heat exchange capacity of a buried pipe is gradually attenuated along with the duration, so that the refrigerating and heating effects are affected, and the installation limitation of the ground source heat pump system is obvious when the buried pipe system is installed. According to the technical scheme, the full-recovery water source heat pump central air-conditioning system comprises a temperature generation module, a heat exchange module, a heat exchange module, an auxiliary refrigeration module, a cooling module, a water supply module and an auxiliary heating module; auxiliary is carried out during refrigeration and heating in an auxiliary refrigeration and auxiliary heating mode, the heat exchange efficiency of the system is improved, heat exchange is carried out on high-temperature water generated by a main machine through multiple sets of heat exchange structures, air conditioner energy consumption is reduced, the cooling tower structure can be miniaturized, and therefore the limitation of the system during installation and construction is reduced, and the cost is reduced. And the application range of the system is expanded.

The invention relates to the technical field of information resource security management, and particularly discloses a security management method and system based on computer information resources and a storage medium, and the method comprises the steps: obtaining user identification information of a user, extracting a reference evaluation information set, analyzing a user behavior abnormal evaluation value, and judging a user behavior tag. If the user behavior label is judged to be in a potential risk mode, communication end current limiting is carried out, abnormal secondary verification is started, a user behavior abnormal verification evaluation value is analyzed, user behavior label re-judgment is carried out, and user permission locking measures are determined. Potential risks can be perceived in time, the situation that potential safety hazards are gradually expanded under the condition that the potential safety hazards are not perceived is avoided, and the user permission locking accuracy is improved. For a potential risk mode, communication end current limiting is carried out and secondary verification is started, so that network activities of abnormal users are effectively limited, security risks are reduced, the risk degree of user behaviors is comprehensively and accurately judged, and the stability of the system and the security of information resources are guaranteed.

The utility model relates to a cold-formed thin-walled steel fabricated structural system, and belongs to the technical field of structural engineering. Comprising combined joints, module main beams, module columns and module secondary beams. Column sleeves are arranged at the upper end and the lower end of the combined joint, a center joint is arranged between the column sleeves, horizontal partition plates are welded between the column sleeves and the center joint, a vertical end plate is welded to each side of the outer surface of the center joint, materials such as concrete can be poured into columns, and the bearing capacity and integrity of the combined joint are improved. The connecting sleeve has the beneficial effects and advantages that the connecting sleeve is small in size, light in weight and convenient to transport and hoist, the machining time is greatly shortened, the machining quality is guaranteed, modular design, factory production and specialized installation are integrally achieved through standardized modular production of components and the connecting sleeve, field assembly is simple and efficient, and the production efficiency is improved. The purposes of reducing labor, shortening the construction period and saving cost are achieved, and industrialization development of the fabricated building is promoted.

The invention provides a satellite solar short-wave radiation inversion method based on knowledge distillation, which relates to the field of solar short-wave radiation inversion, and comprises the following steps: collecting polar orbit satellite data, stationary satellite data, geographic information data and ground observation data; preprocessing the data to obtain input features and labels for training the teacher model and the student model; sorting the importance of the input features by using a random forest model, selecting key features, and removing non-key features; constructing a deep learning model by using the key features, and generating a teacher model of solar short-wave radiation inversion; and taking an output result of the teacher model as a soft label, introducing ground observation data as a hard label, and carrying out knowledge distillation to obtain a student model of solar short-wave radiation inversion. According to the technical scheme of the invention, the problems of data scarcity and high data acquisition cost caused by the fact that a model is constructed only depending on ground observation data in the prior art are solved, and the problem that the inversion precision completely based on satellite data is limited is solved.

The invention provides micron blocky and submicron spherical mixed silver powder and a preparation method thereof. The preparation method comprises the steps that firstly, a silver salt solution is prepared, a reducing agent, a dispersing agent and pure water are mixed to obtain a reducing agent solution, and nano-silver crystal suspension liquid and the dispersing agent are mixed to obtain a base solution; synchronously dropwise adding the silver salt solution and the reducing agent solution into the base solution to obtain a solution containing the mixed silver powder; and finally, the solution is subjected to washing, solid-liquid separation and drying and shaping treatment, and then the micron blocky and submicron spherical mixed silver powder is obtained. According to the preparation method, polyvinylpyrrolidone with low molecular weight is selected as a dispersing agent, and the adding process of the dispersing agent is controlled, so that nano-silver crystals and the dispersing agent play a synergistic role, the micron blocky and submicron spherical mixed silver powder with good dispersion uniformity and high tap density is obtained, and the mixed silver powder is better in stacking structure and high in conductivity after being formed into slurry; the preparation method provided by the invention simplifies the process steps, shortens the preparation time, and has industrial application prospects.

The invention discloses injection molding equipment and an injection molding method thereof, and belongs to the technical field of injection molding. The injection molding equipment comprises a counter, an injection molding machine and a forming mold, one end of the counter is provided with the forming mold, the other end is provided with the injection molding machine, one end of the injection molding machine abuts against the forming mold, the other end is provided with a hopper, and a heating mechanism is arranged between the two ends; an injection molding machine comprises a first injection molding section, a driving section, a pushing section, a second injection molding section and a nozzle which are sequentially connected and communicated, the nozzle abuts against a forming mold, and a hopper is arranged on the first injection molding section; the injection molding equipment has a very good homogenizing effect on molten plastic, can remove insoluble impurities or incompletely molten raw materials contained in fluid, can play a very good filtering role, avoids blockage, prolongs the service life of the injection molding equipment, improves the production efficiency of the injection molding equipment, and protects the precision and stability of the injection molding equipment.

The invention discloses pre-swelling multipolymer high-viscoelastic asphalt modified particles and a preparation method thereof, and belongs to the technical field of road engineering materials. The pre-swelling multipolymer high-viscoelastic asphalt modified particles are prepared from the following components in parts by weight: 10 to 40 parts of desulfurized waste tire rubber powder, 20 to 30 parts of styrene-butadiene-styrene block copolymer, 15 to 20 parts of adhesive, 10 to 17 parts of compatilizer, 13 to 18 parts of tackifier and 2 to 5 parts of auxiliary agent. In the pre-swelling multi-polymer high-viscoelastic asphalt modified particle provided by the invention, the desulfurized waste tire rubber powder is pre-swelled in the compatilizer, and the SBS develops in advance in the asphalt adhesive to form a continuous phase system which is not easy to deform and has a certain degree of elastic property with asphalt; according to the preparation method, high-volume desulfurized waste tire rubber powder and SBS in the prepared modified particles can be stably dispersed in matrix asphalt, the performance is rapidly improved, the construction workability is improved, and the modified particles have the advantages of good viscoelasticity, adjustment and optimization as required, stable system, high economic benefit and the like.

The invention discloses a pipe fitting connecting elbow with a self-locking structure, and belongs to the technical field of pipe fitting connection.The pipe fitting connecting elbow with the self-locking structure comprises an elbow body connected with a first connecting pipeline and a second connecting pipeline, and the two ends of the elbow body are fixedly connected with a first elbow flange and a second elbow flange respectively; a first sealing groove is formed between the first elbow flange and the first connecting pipeline, a first sealing ring is installed in the first sealing groove, a second sealing groove is formed between the second elbow flange and the second connecting pipeline, and a second sealing ring is installed in the second sealing groove. By designing a self-locking structure, self-locking fixation and hole alignment of an elbow flange and a to-be-connected pipeline flange can be rapidly and accurately completed, after self-locking is completed, pre-fixation of an elbow and a to-be-connected pipeline can be achieved, at the moment, a plurality of sets of fixing bolts are used for fastening a flange piece, operation is easy and convenient, and meanwhile the assembling efficiency is greatly improved.

The invention discloses a winding machine for a motor stator coil, and relates to the field of motor stator processing, and the winding machine comprises a workbench, the middle part of the upper surface of the workbench is connected with a processing seat, the right side of the upper surface of the workbench is connected with a winding device, and the middle upper part of the upper surface of the workbench is provided with a wire guiding device; and the first rotating groove is formed in the first rotating block, the interior of the first rotating groove is rotationally connected with a rotating disc through a motor, four sets of penetrating grooves are formed in the side face of the rotating disc in a penetrating mode. According to the winding machine for the motor stator coil, the four sets of extrusion blocks extrude the side face of a stator at the same time, the extrusion stability can be improved, the stator winding effect is improved accordingly, the stator clamping range can be adjusted when the connecting rods are located, the limitation on the stator specification is reduced, and the winding efficiency is improved. And when the connecting rods move outwards, the extrusion blocks can support and fix the interior of the stator, and the device can adapt to various types of stators.

The invention discloses a transformation method and application of a G protein coupled receptor, and belongs to the technical field of protein engineering. In order to improve the molecular weight of membrane protein, enable the enlarged part of the membrane protein and the original membrane protein to form a relatively rigid structure and further meet the structural analysis requirement of a cryoelectron microscope, the invention provides a method for transforming a G protein coupled receptor. The method comprises the following steps: co-expressing fusion protein GPCR (Glycine Polymerase Chain Reaction)-GFP10-11 and GFP1-9 fragments formed by GPCR and GFP10-11 fragments in a eukaryotic cell expression system, and adding GFP-clamp in the purification process; one amino acid at the specific site of GPCR is mutated into cysteine, glutamic acid at the 186th position of the amino acid sequence of GFP-clamp is mutated into cysteine, and a disulfide bond is formed between the amino acid and glutamic acid. The molecular weight of the modified G protein coupled receptor obtained by using the method can be increased to 85 kD or above, and the rigidity of the whole compound space structure is relatively strong, so that the modified G protein coupled receptor can be used for structural analysis of a cryoelectron microscope.

The invention discloses a city knowledge graph construction method and device, a medium, a product and equipment. The method comprises the steps that a city knowledge graph construction task and city text corpus data corresponding to a target city are determined; constructing a city entity recognition task instruction set based on the city entity recognition task and the city entity knowledge data; constructing a city relation extraction task instruction set based on the city relation extraction task and the city relation knowledge data; constructing a city triple extraction task instruction set based on the city triple extraction task and the city triple knowledge data; a city entity recognition task instruction set, a city relation extraction task instruction set and a city triple extraction task instruction set are used as model input, and a city knowledge graph of a target city is constructed by using a large language model, so that the large language model can automatically construct the city knowledge graph which corresponds to the target city and is not in a specific field. The graph construction efficiency is improved, and the limitation of the knowledge graph on an application scene is reduced.

The invention relates to a control method and device for a rotary workpiece table of vacuum equipment and the vacuum equipment. The method comprises the following steps: acquiring first position parameters of various parts in a vacuum cavity, and determining the maximum movement range of the rotary workpiece table in the vacuum cavity according to the first position parameters; determining a target position of the rotary workpiece table in the vacuum cavity according to a current application process; calculating a target angle range of swinging of the rotary workpiece table according to the target position and the maximum motion range; calculating the motion displacement of the rotary workpiece table according to the target position and a second position parameter of the initial position of the rotary workpiece table; controlling the rotary workpiece table to move to the target position according to the motion displacement, and controlling the rotary workpiece table to swing within the target angle range; according to the technical scheme, the internal space of the vacuum cavity can be utilized to the maximum extent, limitation of an application process is reduced, and the application process effect is improved.

The utility model discloses a rope driving type goods storing and taking system which comprises a goods shelf, and the goods shelf is provided with multiple layers of storage positions. The driving system can drive the taking and placing mechanism to reach each storage position; the taking and placing mechanism can take out the goods from the storage positions and can store the goods into the storage positions; the driving system comprises at least three groups of rope pulling devices, each rope pulling device is provided with a rope directly or indirectly acting on the taking and placing mechanism, and the force application directions of the ropes are different; and the maintaining device is used for maintaining the posture of the taking and placing mechanism. According to the utility model, the plurality of groups of pull rope devices drive the pick-and-place mechanism to move transversely and longitudinally through the ropes, the pull rope devices are convenient to install, and the pull rope devices act on the pick-and-place mechanism through the soft ropes, so that the installation position of the pull rope devices is less limited, and the overall expansibility of the goods access system is strong; and only the pull rope device needs to be reinstalled, so that the expansibility of the system is greatly improved.

The invention discloses a retroreflection brightness coefficient determination method, which comprises the steps that a first image and a second image corresponding to a detected position in marking detection are acquired, the first image is an image acquired under the condition of single-wavelength laser projection, and the second image is an image acquired under the condition of single-wavelength laser non-projection; identifying a first marking area in the first image by using a given image segmentation algorithm; identifying a second marking area in the second image by using a given image segmentation algorithm; extracting a first gray value of a first marking area in the first image; extracting a second gray value of a second marking area in the second image; and according to the first gray value, the second gray value and a given retro-reflection brightness coefficient standard value, calculating the retro-reflection brightness coefficient of the marked line at the detected position. The invention further discloses a retroreflection brightness coefficient detection and evaluation device, electronic equipment and a program product.

The invention provides a vehicle railway slab detection method based on a laser radar, and the method comprises the steps: obtaining two-dimensional point cloud data of a railway slab sensed by the laser radar, wherein the two-dimensional point cloud data comprises a plurality of pieces of two-dimensional point data; determining the two-dimensional point data of which the scanning angle is a preset angle as an orthographic projection point, and traversing the two-dimensional point cloud data from the orthographic projection point according to an angle difference value of the scanning angles between the adjacent two-dimensional point data, and if the difference value of the scanning distances between the adjacent two-dimensional point data is greater than a distance threshold value, traversing the two-dimensional point cloud data from the orthographic projection point; and determining the two-dimensional point data corresponding to the smaller scanning distance in the adjacent two-dimensional point data as a first edge point and a second edge point of the railway slab. And based on a trigonometric function, determining a first distance between the first edge point and the orthographic projection point and a second distance between the second edge point and the orthographic projection point according to the scanning distance and the scanning angle of the first edge point and the second edge point. And detecting whether the vehicle deviates from the center of the railway slab according to the first distance and the second distance.

The utility model provides a strip edge straightness measurement auxiliary device, which comprises a supporting platform, two mounting blocks, two positioning pins and a laser measurement assembly mounting part, and is characterized in that a straight edge is formed on one side of the supporting platform; the two mounting blocks are arranged on the straight edge, the mounting surfaces of the mounting blocks are flush with the supporting surface of the supporting platform, and the two mounting blocks are arranged on the straight edge at intervals; the two positioning pins are arranged on the mounting surfaces of the two mounting blocks respectively, the distances between the two positioning pins and the straight edge in the plane where the supporting surfaces are located are equal, and when the auxiliary measuring device is used for measuring the straightness of the edge of the strip, the same edge of the strip abuts against the two positioning pins at the same time; the laser measurement assembly installation part is used for installing a laser measurement assembly. According to the strip edge straightness measurement auxiliary device provided by the invention, the limitation of the measurement length, the number of measurement points and the shape of the strip edge can be reduced, and the straightness information of the strip edge can be accurately obtained.

The invention provides a connecting mechanism and a server, and the connecting mechanism comprises a support which is configured to be connected to an external installation foundation; the assembling and disassembling part is connected with a first connector of a hardware module and detachably arranged on the support, and when the assembling and disassembling part is assembled on the support, the first connector is connected to the installation foundation through the support; wherein the installation foundation is located outside the main body of the hardware module.

The invention relates to the technical field of nucleic acid extraction, in particular to a nucleic acid extraction device and method.The nucleic acid extraction device comprises a sample adding part, a first extraction part and a second extraction part, the connecting part is connected with the sample adding part, a puncture part is formed at the first end of the connecting part, and a first connecting cavity is formed below the puncture part; when the sample adding part and the connecting part are in a first connecting state, a distance exists between the puncture end and the first containing cavity, the sample adding part and the connecting part are converted into a second connecting state from the first connecting state, and the puncture end punctures the wall of the first containing cavity so as to guide liquid to enter the first connecting cavity from the side face of the puncture end; the reaction part is connected with the connecting part, and a second containing cavity is formed in the reaction part. The invention provides an integrated nucleic acid extraction device which has the characteristic of simplicity and convenience in operation.

The invention discloses a shooting method, device and equipment based on a virtual scene, a storage medium and a product, and relates to the technical field of virtual environments. The method comprises the steps that a master control virtual object in a virtual scene is controlled, the master control virtual object is equipped with a shooting prop, and the shooting prop is equipped with bullet elements; receiving a shooting operation using the shooting prop, wherein the shooting operation is used for indicating to shoot bullet elements in the virtual scene; under the condition that the reduction condition is met, the master control virtual object is controlled to use the shooting prop to launch a first number of bullet elements and consume a second number of equipped bullet elements; wherein the first number is larger than the second number, and the reduction condition is used for determining a reduction consumption mode of the bullet elements, so that the bullet elements consumed by shooting the bullet elements can be reduced under the condition that the reduction condition is met, the limitation of the capacity of shooting props on shooting operation is reduced, the continuity of the shooting operation is improved, and the shooting efficiency is improved. And the man-machine interaction efficiency is improved.

The invention discloses an output power control method and device, a terminal and network side equipment, and belongs to the technical field of communication, and the output power control method comprises the steps that the terminal improves the upper limit value of the maximum output power of the terminal according to a target power adjustment value; wherein the lower limit value of the maximum output power of the terminal is kept unchanged, or the target power adjustment value is related to RB allocation of the terminal.

The invention provides a six-degree-of-freedom assembling and transferring device for a nose landing gear of an airplane, which comprises an omnidirectional transfer trolley, a floating mechanism, a six-degree-of-freedom posture adjusting mechanism and a control cabinet, and is characterized in that the omnidirectional transfer trolley is used for realizing three-degree-of-freedom movement on a plane; the floating mechanism is mounted on the omni-directional transfer trolley, so that the six-degree-of-freedom posture adjusting mechanism is in a flexible state; the six-degree-of-freedom posture adjusting mechanism is mounted above the floating mechanism, is used for adjusting the posture of the nose landing gear in the mounting process, and can finely adjust the posture of the aircraft landing gear in a plurality of degree-of-freedom ranges; and the control cabinet is used for controlling the omni-directional transfer trolley, the floating mechanism and the six-degree-of-freedom posture adjusting mechanism to accurately adjust the position of the nose landing gear. The six-degree-of-freedom assembling and transferring device for the nose landing gear of the airplane has the beneficial effects that the problems that in the adjusting process of the nose landing gear and a transferring trolley, the moving precision is low, and the moving space is limited are solved.

The invention discloses a shipbuilding portal crane remote intelligent control system and method, the shipbuilding portal crane remote intelligent control system comprises a data acquisition module, a safety area analysis module, an early warning area processing module and a control management module, the safety area analysis module is used for analyzing and dividing a safety area near the portal crane, the early warning area processing module is used for carrying out block analysis and early warning processing on the interior of an early warning area, and the control management module is used for controlling the portal crane and sending out an early warning signal. The data acquisition module, the safety area analysis module, the early warning area processing module and the control management module are in communication connection with one another, and the system has the advantages of being flexible and intelligent.

The invention discloses a special vehicle framework intelligent shape righting system and method based on dynamic measurement control, and the system comprises a movable support, a ground scanning module disposed on a front side supporting leg of the movable support, and a welding line recognition module disposed at the center of the front side of the top of the movable support. And the deformation correction mechanism is arranged at the top of the movable bracket and can move left and right. According to the invention, different distance values of different positions are dynamically obtained by controlling a plurality of groups of distance measurement identification modules, welding seam positions are distinguished and identified, to-be-corrected positions are determined, and the height of the supporting legs is controlled to rise and fall in combination with the ground variation amplitude, so that automatic and intelligent identification control and judgment can be carried out on the special vehicle framework at any place; therefore, intelligent shape righting control of the whole special vehicle framework is realized.

The invention discloses an underground chamber compressed air and pumped storage hybrid energy storage system. The system comprises an underground salt cavern; the upper reservoir is located on the ground surface, and a water conveying pipeline is communicated between the upper reservoir and the underground salt cavern; the pumped storage unit is arranged in the middle of the water conveying pipeline; the air compression system can be used for compressing air in the underground salt cavern; and the spraying system is arranged at the top of the underground salt cavern. A hydraulic machine is adopted for energy conversion, the conversion efficiency of the hydraulic machine is superior to that of a thermodynamic system, the system efficiency of the system is higher than that of a compressed air system and close to that of a pure pumping and storage system, the advantages of high pumping and storage conversion efficiency and large energy storage capacity of the compressed air system are integrated, and the long-time energy storage system can be popularized on a large scale.

The invention discloses a high-resolution atmospheric aerosol inversion method, device and system, and relates to the technical field of remote sensing information, and the method comprises the steps: carrying out the unified resampling of each wave band satellite image of a research region to 60m, and carrying out the mask operation through an SCL scene classification map; then extracting atmospheric bottom layer reflectivity data of each wave band and corresponding geometric angle information, and constructing a data set by performing interpolation on site data and performing space-time matching on the site data and satellite data; and finally, constructing a deep learning model, carrying out normalization processing on the data, inputting the data into the model, and carrying out aerosol inversion to obtain a high-resolution aerosol optical depth (AOD) distribution diagram. The method has a good inversion effect and a high spatial resolution, and does not need a large number of parameters and a pre-constructed lookup table.

The invention relates to the technical field of cosmetics, in particular to preparation of a solid lipid microcapsule sun-screening agent and application of the solid lipid microcapsule sun-screening agent in cosmetics. The preparation method comprises the following steps: S1, pretreatment of a chemical sun-screening agent: dissolving and uniformly stirring lipid, an emulsifier, a crystalline sun-screening agent and a solvent at 72-78 DEG C to obtain a uniformly dispersed oil phase, the lipid is 2-5% of polyglycerol-10 stearate, the specific amount of the lipid is 3%, the emulsifier is 4-6% of stearyl alcohol polyether-21, the specific amount of the emulsifier is 5%, the specific amount of the solvent is 3%, the specific amount of the solvent is 3%, and the specific amount of the solvent is 5%; the sun-screening agent is prepared from the following components in percentage by weight: 7%-9% of bis-ethyl hexyloxyphenol methoxyphenyl triazine and 7%-9% of ethyl hexyltriazinone. According to the preparation of the solid lipid microcapsule sun-screening agent and the application of the solid lipid microcapsule sun-screening agent in cosmetics, the solid lipid microcapsule sun-screening agent is adopted and has excellent formula stability, safety and efficient sun-screening capacity, the sticky feeling of the sun-screening agent on the skin surface is effectively reduced, and the use experience feeling of a product is improved.

The invention relates to the technical field of copper foils, and provides a buried resistor copper foil, a preparation method thereof and an electronic product, and the preparation method comprises the following steps: obtaining a copper foil; carrying out micro coarsening on the copper foil; carrying out first passivation on the copper foil subjected to micro roughening; performing brush plating deposition on the passivated copper foil; wherein the copper foil comprises a single-sided photoelectrolytic copper foil, a double-sided photoelectrolytic copper foil or a rolled copper foil. Through the operation, the buried resistor copper foil which is excellent and uniform in performance is obtained, the copper foil is still free of an oxidation phenomenon after being baked for 3 hours at a high temperature, and customization of the resistor can be realized, so that the application scene is expanded.

The utility model discloses a transfer printing substrate and a slurry transfer printing system. The transfer printing substrate comprises a substrate body and a demolding structure layer, a plurality of packing grooves which are distributed at intervals are formed in one side of the base plate body, and the packing grooves are used for being filled with slurry; and a demolding structure layer is attached to the surface of the inner wall of the filler groove, is used for being in contact with slurry and can generate vibration to remove the slurry. By the adoption of the transfer printing substrate, the filler groove can be filled with the slurry firstly, then the slurry is removed from the filler groove by controlling the demolding structure layer to generate vibration, transfer printing operation of the slurry is achieved, in this way, the service life of the transfer printing substrate can be guaranteed, and heat damage to the substrate body and the printing substrate in the slurry removing process can be avoided.

The utility model relates to the technical field of electronic water pumps, in particular to an electronic water pump locked-rotor testing device which comprises a clamping assembly and a blocking assembly, the clamping assembly is used for clamping an electronic water pump, the blocking assembly comprises an installation sleeve, a blocking rod and a blocking piece, at least part of the installation sleeve is located in a water pump inlet, and the blocking piece is located in the installation sleeve. The stop lever is located in the mounting sleeve and can stretch out of the mounting sleeve in the direction close to the impeller, and a stop piece is connected to the end, facing the electronic water pump, of the stop lever and can penetrate through the protective support to be matched with the outer edges of the blades. The electronic water pump is clamped through the clamping assembly, at least part of the mounting sleeve of the blocking assembly is located in the inlet of the water pump, a blocking piece is driven to penetrate through a protection support and be matched with the outer edge of a blade through movement of a blocking rod, and therefore an impeller of the electronic water pump is physically blocked, and locked-rotor of the electronic water pump is achieved on the premise that disassembly is not conducted, and a power source is not needed; and the locked-rotor of the electronic water pump can be realized only by manpower, so that the limitation on a use scene is lower.