19results about How to "Quick focus" patented technology

The present application relates to a kind of machine learning-based underground inhomogeneous medium sound field focusing fast correction method, by constructing standard test bottom layer, and by ultrasonic phased array probe emission and acceptance data, and data processing is carried out to data, utilize deep learning model to extract time delay and amplitude attenuation etc. Channel characteristics contained in channel impulse response curve, the real-time correction of phase and amplitude is carried out to the emitted linear frequency modulation pulse signal, realize the space-time fast focusing of sound field in inhomogeneous stratum, improve the repair efficiency of chlorinated hydrocarbon contaminated soil site.

The utility model relates to a machine vision and industrial detection technology, in particular to a rapid focusing industrial lens structure, an industrial lens, a control system and an industrial vision detection device, wherein the rapid focusing industrial lens structure adopts an electrowetting liquid lens to realize millisecond-level automatic focusing. A fast focusing industrial lens structure is composed of eight glass lenses and an electric control liquid lens, and the nominal value of the optical focal length is 35 mm. Within the object distance range of 225-600mm, the liquid lens realizes millisecond-level automatic focusing by adjusting the curvature of a liquid interface, and the optical back focal length and the mechanical back focal length are kept unchanged. Through actual measurement, the absolute value of lens distortion is less than or equal to 2%, the curvature of field is less than or equal to + / -0.2 mm, the full-field relative illumination is greater than or equal to 95%, and the high-resolution imaging requirements of industrial vision, automatic detection and robot precise positioning scenes can be met.

The application discloses a kind of time difference risk hedging method and device of insurance fund custody, it is related to financial risk control technical field, the method includes: creating virtual sub-account for each user and being bound with corresponding policy account one by one to realize fund physical isolation;When consumption incentive enters the custody special account, it is frozen to corresponding virtual sub-account by calling bank freezing interface and generates directional payment instruction;When daily business ends, generate custody fund flow sheet snapshot, before batch deduction of insurance company next day, pre-reconciliation is carried out to custody fund flow sheet snapshot and to-be-deducted list, and according to result, unfreezing transfer or difference processing is executed;Risk reserve pool is established simultaneously, when unilateral account is abnormal, first pay, complete account adjustment to realize error recovery after finding out reason and clearing up.The application realizes fund physical isolation by virtual sub-account binding and fund freezing directional transfer, effectively hedges the supervision and operation risk caused by fund circulation time difference, and improves the stability of fund custody.

The application discloses an automatic focusing control method, system and medium, the method comprises the following steps: using the maximum spot displacement allowed by the sensor, the total displacement of the spot on the sensor caused by the moving speed of the objective lens along the z-axis and the moving speed of the object to be measured along the x-axis is constrained to screen out the upper limit moving speed allowed by the objective lens; the moving speed of the current objective lens along the z-axis and the defocus amount are obtained, the relationship between the absolute value of the defocus amount and the set defocus amount threshold is judged, if it is not greater than the set defocus amount threshold, the objective lens is driven to move at the second moving speed, if it is greater than the set defocus amount threshold, the objective lens is driven to move at the first moving speed. Through the relationship between the absolute value of the defocus amount of the position of the objective lens and the set defocus amount threshold, the dynamic control of the moving speed of the objective lens, the calculation amount of the focusing speed and the defocus amount is effectively balanced, the accuracy of the defocus amount calculation is improved while realizing the fast focusing.

The utility model discloses a kind of powder coating toning equipment, it is related to powder coating production technical field, including box, the box includes toning jar located upper and lower blanking box located lower, the top of blanking box is provided with connecting port, the toning jar with the blanking box is connected by the connecting port intercommunication, the top of blanking box is further rotatably installed with baffle, the baffle is used to open or close the connecting port, the bottom of blanking box is provided with diversion slope, toning jar is equipped with stirring assembly, the stirring assembly includes with the baffle and the toning jar's side wall the scraping plate of consistent with the flap of consistent, the flap with the scraping plate can rotatably be set in the toning jar. Not only significantly improve the toning effect and production efficiency of powder coating, and in reducing loss, preventing pollution and automation operation aspect, it is outstanding, with good industrial application value and economic benefits.

The invention is suitable for the technical field of block chain security detection, and provides an exception recognition method, an exception recognition device, equipment, a medium and a program product, the method comprises the following steps: in a target block chain, obtaining a plurality of transactions in a plurality of blocks generated by a first block outlet node within a first time period, each block comprising at least one transaction; according to the object identifiers corresponding to the plurality of transactions, candidate transaction sets corresponding to a target object in the plurality of blocks are obtained, and the target object is an object having transactions in the at least two blocks; according to the difference between each transaction in the i-th candidate transaction set and each transaction in the j-th candidate transaction set, identifying transactions meeting an exception judgment condition, the exception judgment condition being used for representing the difference between transactions under the sandwich attack; and outputting abnormal alarm information under the condition that the transaction meeting the abnormal judgment condition exists. According to the scheme, the cross-block sandwich attack can be accurately and efficiently identified.

The invention relates to the technical field of liquid chromatographs, in particular to a column oven centralized control method and system and a control circuit of a column oven. The method comprises the following steps: an upper computer obtains current temperature values of column temperature boxes in a plurality of liquid chromatographs in each group in real time through the Internet of Things; the upper computer determines a difference value distribution mode between the current temperature values of all the column temperature boxes in the current group and a preset target temperature value based on the current temperature values of the column temperature boxes in the plurality of liquid chromatographs in each group; if the difference value distribution mode meets a first preset condition, the upper computer starts a centralized cooperative control mode; and if the difference value distribution mode meets a second preset condition, the upper computer starts a decentralized autonomous control mode. According to the invention, the temperature control efficiency of a plurality of liquid chromatographs can be improved, and the energy consumption cost can be effectively reduced and controlled; meanwhile, the device also has an over-temperature protection function; in addition, when liquid leakage is detected, heating can be automatically stopped, and an alarm is given to ensure safety.

The utility model discloses an optical zoom ultrasonic motor, which comprises a lens mounting structure, a moving rod and piezoelectric ceramic, the moving rod is connected with the lens mounting structure, the piezoelectric ceramic is arranged at one end of the moving rod, one surface of the piezoelectric ceramic corresponds to one end of the moving rod, and the other surface of the piezoelectric ceramic corresponds to the other end of the moving rod. The first through hole penetrates through two opposite surfaces of the lens mounting structure, and the lens is arranged on the lens mounting structure; during focusing, one surface of the piezoelectric ceramic deforms, and the force generated by the deformation acts on one end of the moving rod, so that the moving rod vibrates, and the moving rod further drives the lens mounting structure to vibrate. Voltage is applied to the piezoelectric ceramic, so that the piezoelectric ceramic is periodically deformed, the moving rod matched with the piezoelectric ceramic is directly pushed to synchronously vibrate, and after vibration of the moving rod is transmitted to the lens mounting structure, the lens mounted on the lens mounting structure quickly vibrates in a micro-amplitude manner in the optical axis direction to form dynamic focus scanning. Therefore, quick focusing of the lens is realized.

The method is mainly applied to the technical field of power distribution network systems. The invention discloses a power distribution network charging load bearing capacity evaluation method and device, equipment and a medium, and the method comprises the steps: dividing a feasible region of the power distribution network charging load bearing capacity through constructing an inner approximation set and an outer approximation set; and selecting specific charging station configuration containing at least one node capacity in a power grid region to be investigated as a candidate scheme, constructing an optimization model, and judging the robust feasibility of the candidate scheme by taking the power grid operation constraint out-of-limit degree in the worst uncertainty scene as output. If the scheme is feasible, adding the scheme into an inner approximate set and expanding the boundary; and if not, generating a constraint condition for excluding one type of infeasible scheme, and shrinking an outer approximate set boundary. And finally determining a power grid capacity feasible region based on the two updated sets. According to the method, the bearing capacity of the power grid to the electric vehicle can be quickly and accurately evaluated under the high-dimensional uncertainty condition, and the calculation complexity is remarkably reduced.

The utility model relates to the field of tea caddy, disclose a tea caddy for filtering tea residue, including the upward formation opening's cylinder, the bottom of cylinder forms the discharge port, the inside sliding sleeve of cylinder is equipped with the filter plate, is equipped with the filter hole on the filter plate, be connected with the removal mechanism on the filter plate, the removal mechanism includes the removal shaft, the removal shaft has first position state and second position state, when first position state, the removal shaft is located below the filter hole, when second position state, the removal shaft is located in the filter hole. The utility model proposes a tea caddy for filtering tea residue, and the removal shaft is initially below the filter hole when filtering and does not affect tea water penetration, and the filter hole is blocked, and the pull rod can be pressed to eject the residue, solve the problem that the filter hole is blocked and is difficult to clean, and the pull rod outer periphery scraper can concentrate the residue, and the removal mechanism and the cylinder can be separated, and it is convenient to depth flush, and is suitable for family, office building scene.

The utility model discloses a ball milling tank capable of measuring temperature and pressure, which comprises a bottom plate, a support fixedly connected to the upper surface of the bottom plate, a tank body rotatably connected to the inner surface of the support, a material port arranged on the tank body, a sealing cover movably connected to the upper surface of the material port, and a plurality of grinding balls placed on the inner surface of the tank body, the inner surface of the tank body is rotatably connected with a double-end screw rod, the inner surface of the tank body is slidably connected with two adjusting plates, the two adjusting plates are in threaded connection with the double-end screw rod, the inner surface of the tank body is fixedly connected with a limiting rod, the two adjusting plates are slidably connected with the limiting rod, the outer walls of the adjusting plates are fixedly connected with scraping plates, and the scraping plates are slidably connected with the inner wall of the tank body. By means of the components, the capacity of the tank body can be flexibly adjusted, materials can be quickly and effectively concentrated to the discharging port, the discharging time is shortened, fine material particles attached to the scraping plate or the inner wall of the tank body can be blown off, and the materials are discharged out of the tank body to the maximum extent.

The utility model relates to photovoltaic module recycling field discloses photovoltaic panel frame removing machine, including bottom plate and a plurality of sliding blocks, the bottom plate four around upper end fixedly installed fixed plate, four the fixed plate opposite side fixedly installed one hydraulic cylinder, four one hydraulic cylinder opposite side fixedly installed movable block, the bottom plate upper end fixedly installed top plate, the top plate upper end fixedly installed second hydraulic cylinder, second hydraulic cylinder lower end fixedly installed pressing plate, the bottom plate lower end middle position fixedly installed vacuum suction box, the vacuum suction box upper end fixedly installed a plurality of sucking disc, the bottom plate lower end edge fixedly installed fixed box, the fixed box inner end swingly installed collection box, in the utility model, through the pressing plate compression, sucking disc quick adsorption can ensure photovoltaic panel steady in the process of removing and do not shift, and the photovoltaic panel frame of dismantling can fall into the collection box from the groove of bottom plate upper end.

The utility model relates to the field of learners, and discloses a multiplication algorithm learner, which comprises a body and is provided with a table matrix, and the table matrix comprises row multiplier grids arranged along the transverse direction, column multiplier grids arranged along the longitudinal direction and a plurality of product grids; the sliding plate is arranged on the table matrix in a translation mode, the sliding plate comprises a first long-strip area extending in the longitudinal direction, a second long-strip area extending in the transverse direction and a counting area, a display area is formed at the overlapping position of the first long-strip area and the second long-strip area, and the counting area comprises a plurality of counting units arranged in the transverse direction and the longitudinal direction; the total number of the counting units is equal to the total number of the product grids, the row number is equal to the number of the column multiplier grids, and the column number is equal to the number of the row multiplier grids; the upper cover plate covers the body, the sliding plate is clamped between the body and the upper cover plate, the upper cover plate is provided with a window directly facing the table matrix, and the total number of the counting units displayed by the window is the same as the product result corresponding to the display area. The structure is simple, the cost is low, corresponding multipliers and products can be quickly focused, and multiplication learning is carried out.

The utility model relates to the technical field of sewage treatment, in particular to scum collecting equipment for a biological tank of a sewage treatment plant, which comprises a biological tank body, supporting seats are fixedly mounted on the front side and the rear side of the upper end of the biological tank body, a first chain wheel and a second chain wheel are arranged on the sides, close to each other, of the two supporting seats, and chains are arranged on the outer sides of the first chain wheel and the second chain wheel. A net plate is arranged between the two supporting seats, a slag discharging bin is arranged on the right side of the upper end of the biological tank body, an electric telescopic rod is arranged at the upper end of the slag discharging bin, and a fishing net is arranged below the slag discharging bin; the first driving motor is used for driving the net plate to sweep the surface of sewage, scum on the surface of the sewage is repeatedly pushed to the position below the right side scum discharging bin, the electric telescopic rod drives the fishing net to ascend, the spiral blade is attached to the fishing net, the second driving motor drives the spiral blade to rotate, and the scum on the surface of the fishing net is output to the scum discharging opening. Cleaning of the salvage net and centralized collection of the scum are achieved, convenience and rapidness are achieved, and the collection efficiency of the scum is improved.

The application provides a robot visual operation control method and system based on eye tracking, and belongs to the field of robot vision and artificial intelligence. The method comprises the following steps: a head-mounted device with eye tracking function is used to synchronously collect data streams when an operator performs an operation task, wherein the collected data streams comprise eye movement data streams and scene visual data streams when the operator performs the operation task; for the preprocessed data streams, a dynamic Bayesian network is used to extract gaze-intention coupling features; the preprocessed data streams and the gaze-intention coupling features are input into a robot operation model with a double-path attention fusion that has been constructed, so as to obtain online attention results, and the robot performs corresponding operations according to the online attention results. The method of the application can quickly focus on key areas in complex scenes such as occlusion and interference, and improves the task success rate.

The utility model aims at providing a medical instrument heat dissipation support which comprises a support body provided with a plurality of heat dissipation fins distributed at intervals, a partition groove is formed between any two heat dissipation fins, the medical instrument heat dissipation support further comprises a cavity block and a heat dissipation assembly, the cavity block is arranged on the support body, an air cavity is formed in the cavity block, all the partition grooves are communicated with the air cavity, and the heat dissipation assembly is arranged in the cavity block. The heat dissipation assembly comprises a compression pipe, a push rod and a protection plate, the compression pipe is arranged on the cavity block, a sliding cavity is formed in the compression pipe and communicates with the air cavity, the push rod is arranged on the frame body in a sliding mode, one end of the push rod is located in the sliding cavity to seal the air cavity, and the protection plate is arranged at the end, away from the compression pipe, of the push rod. And the push rod extrudes the gas in the sliding cavity into the gas cavity, so that the gas in the gas cavity is sprayed into each partition groove. In this way, the heat dissipation effect of the heat dissipation fins is improved, and the operation stability of the medical instrument is improved.

The invention provides a focusing control method and device, a projector and a storage medium, and the method comprises the steps: obtaining the current magnetic programming data of a to-be-focused device and the motion direction of a first focusing motor in the last focusing process when the to-be-focused device executes the current focusing process; determining target magnetic editing data corresponding to the current focusing process; and based on the current magnetic programming data, the target magnetic programming data and the motion direction of the first focusing motor, controlling the to-be-focused device to focus. According to the invention, the magnetic data can accurately reflect the position of the lens cone. Therefore, whether focusing is completed or not can be determined based on the magnetic coding data, so that focusing does not depend on a focusing motor optocoupler any more, and the influence of idle stroke of the focusing motor can be accurately eliminated. In addition, the influence of step loss of the focusing motor can be eliminated, non-inductive focusing is realized, quick and clear focusing can be realized, and the user experience is improved.

The utility model discloses multifunctional yellow resistance test equipment, which belongs to the technical field of aging test, and comprises a cabinet body, an auxiliary device, a constant temperature device, a telescopic rotating device and a light source adjusting device, the auxiliary device is arranged on the left side of the cabinet body, the constant temperature device is arranged on the right side of the cabinet body, and the telescopic rotating device is arranged on the right side of the cabinet body. The telescopic rotating device is installed in the middle area of the right side of the cabinet body, the light source adjusting device is installed on the upper right side of the cabinet body and comprises a shading ring, a first support, a second support, a rotating frame, a first rotating plate and a second rotating plate, and the shading ring is fixedly installed on the upper side of the interior of the cabinet body; the first support is fixedly installed on the left side of the shading ring, the second support is fixedly installed on the rear side of the shading ring, and the rotating frame is rotationally connected to the second support through a rotating shaft. Through the mode, the front-back and left-right illumination angles of the lamp can be quickly adjusted, and the illumination effect of a product to be tested can be quickly focused or diffused.

The invention discloses a MyBatis framework-oriented SQL (Structured Query Language) automatic analysis and optimization method and system, and the method comprises the steps: calling a GenericTokenParser, an XNodeParser and a SqlSourceBuilder tool class officially provided by Apache MyBatis, completing the grammar analysis of a dynamic SQL statement, the recognition and replacement of a parameter placeholder, generating a BoundSql object, and obtaining complete execution plan information; inputting the static SQL text and the execution plan into a configurable artificial intelligence large model interface, and deeply analyzing the performance bottleneck by the large model; and automatically diagnosing the problem severity through a rule engine based on a quantitative index of an execution plan field, dividing the problem severity into three levels of emergency optimization, important optimization and suggested optimization, and generating a structured diagnosis report containing problem description, reason analysis and an executable optimization scheme. According to the method, the MyBatis framework characteristics and the AI large model capacity are deeply fused, the problems that dynamic SQL analysis is inaccurate, diagnosis lacks quantitative grading, an optimized closed loop is incomplete, and rules are statically solidified are solved, and the efficiency and the intelligent level of database performance management are remarkably improved.