46results about How to "Quick focus" patented technology

The invention provides a movable guide vane shaft sleeve area quality detection method, device and equipment, and belongs to the technical field of movable guide vane shaft sleeve detection. The method comprises the following steps: acquiring a target detection condition parameter; wherein the target detection condition parameters are obtained by optimizing detection condition parameters of a hydroelectric generating set movable guide vane simulation model determined by a simulation model constructed based on the hydroelectric generating set movable guide vane; and controlling the detection tool device to perform phased array detection on the shaft sleeve area of the movable guide vane of the hydroelectric generating set according to the target detection condition parameters, and identifying defects of the shaft sleeve area of the movable guide vane of the hydroelectric generating set. By optimizing the simulation model and the detection parameters, the precision, efficiency and reliability of shaft sleeve defect detection are remarkably improved.

The utility model discloses a Z-axis numerical control surface grinder structure easy to clean metal scraps, which belongs to the technical field of surface grinders, and comprises an equipment box and a working plate, the surface of the equipment box is fixedly connected with a control panel, and the upper surface of the equipment box is in bolted connection with a working box; a grinding wheel assembly is slidably arranged on the surface of the working box through an electric sliding rail, and cooling liquid output pipes are fixedly connected to the positions, on the two sides of the grinding wheel assembly, of the shell. And the long pin is rotationally arranged in the striker plate, and the surface of the long pin is fixedly connected with a gear. According to the Z-axis numerical control surface grinding machine structure capable of easily cleaning the metal scraps, when the Z-axis numerical control surface grinding machine structure works, a workpiece is clamped and fixed to the workbench, after the height of the grinding wheel assembly is well controlled through a Z axis and a hydraulic system of the equipment box is started, the working plate slides on the equipment box in a reciprocating mode, and the workpiece is machined through the grinding wheel assembly; and the machining process is cooled, and normal operation of work is guaranteed.

The invention discloses a matching method and system based on a 5G network, Beidou positioning and non-line-of-sight microwave, and relates to the technical field of target signal positioning, and the matching method comprises the steps: building a static and dynamic combined calibration data set through obtaining high-precision geographic position information and real-time signal intensity data, and carrying out the calibration of the calibration data set; and adaptive direction adjustment and rapid focusing of the antenna are supported, and efficient communication and accurate positioning in a complex scene are realized. The calibration matching model is trained based on the calibration data set, so that the precision and adaptability of the model under multiple geographical environments and non-line-of-sight conditions are improved, an efficient antenna positioning mechanism is provided, and the stability and real-time performance of a communication link are guaranteed; the method is particularly suitable for complex environments such as disaster rescue, accident personnel can be quickly and accurately positioned, and rescue efficiency and action reliability are remarkably improved.

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 device for measuring the precision of a reading microscope, which belongs to the technical field of measurement and detection, solves the technical problem of lack of a special device for detecting the precision of the reading microscope, and comprises a basic platform, a two-dimensional working table, a rotary working table, a stand column and an arm support, the rotary workbench comprises an outer ring, an inner ring, a gear ring, a lamp strip, a slide glass and an adjusting gear shaft, and the glass linear scale is placed above the rotary workbench; the stand column is vertically and upwards arranged on the foundation platform, and the arm frame is installed on the stand column in a sliding mode and comprises a coarse adjustment part and a fine adjustment part. The device is specially used for detecting the precision of the reading microscope, not only can light rays in a visual field be supplemented, but also the glass linear scale can be moved through the two-dimensional workbench and the rotary workbench, and the height of the reading microscope can be adjusted through the arm support, so that the reading microscope and the glass linear scale can be quickly and accurately focused.

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 present invention discloses a distributed photovoltaic system with a self-cleaning function, which relates to the technical field of photovoltaic equipment, including a house, a photovoltaic panel is arranged on the top of the house, a fixed frame is arranged on the outside of the photovoltaic panel, a water tank is arranged on one side of the house, a sewage channel is fixed to the side wall of the house and arranged above the water tank, an electric cover is arranged on the top of the sewage channel, a drain is embedded near the center of the sewage channel, a first filter plate is arranged on the side wall of the drain, a drain pipe is arranged below the sewage channel and connected to the drain, an air outlet component is arranged below the sewage channel and fixed to the side wall of the house, a pumping component is arranged at one end of the house, a cleaning device is arranged on the side wall of the fixed frame, and the cleaning device includes a moving component arranged on the side wall of the fixed frame. The present invention can better clean the photovoltaic panel in the rainy season and the snowy season through the components arranged.

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 discloses a full-spherical autofocus optical lens, which is composed of a negative optical power transmission group G1, a negative optical power transmission group G2, a positive optical power transmission group G3, an aperture stop, a positive optical power transmission group G4, a positive optical power transmission group G5, and a detector component module, which are arranged in sequence from the object side to the image side; the detector component module comprises a filter, a protection window and an image plane, which are arranged in sequence from the object side to the image side. The lens has good imaging characteristics, and the whole system has good transfer functions and image points. The working wavelength is 486-656nm, the telephoto distance is infinity, the close-up distance is 0.3m, the working image plane can reach 9.2mm, the focusing stroke is short, only 0.28mm is needed, and the ability of fast focusing is realized.

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 discloses an omni-directional irradiation type arm lamp for examining the private part of a reproductive system, and relates to the technical field of medical instruments, the omni-directional irradiation type arm lamp comprises a lampshade main body, a shell, a connecting arm I, a connecting arm II, a mounting plate and a shadowless lamp, and an adjusting hole is formed in the center of the top of the lampshade main body in a penetrating manner. According to the omni-directional irradiation type arm lamp for examining the private part of the reproductive system, when the illumination intensity is adjusted, the handle is pulled to drive the connecting disc to move up and down, and the connecting rod is matched with the base, so that the irradiation angles of a plurality of shadowless lamps are inclined synchronously, light condensation or light diffusion is achieved, the operation requirement is met rapidly, misoperation is reduced, and the operation accuracy and efficiency are improved. After the adjustment is finished, the auxiliary pulling plate is released for positioning, the limiting strip is matched with the stud, and the handle is rotated for fine adjustment, so that the accurate control helps a doctor to clearly observe an affected part and adjust the affected part to the optimal illumination intensity, the operation experience and the comfort of a patient are improved, various operation environments are flexibly adapted, and comprehensive illumination support is provided for the doctor.

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 provides a kind of backlight fly to strip system and paster based on top camera identification, the backlight fly to strip system includes fly, adjustable camera module, coaxial backlight light source and change volume turntable, adjustable camera module is installed in the top of fly, coaxial backlight light source is installed in the feed end below of fly, the center through-hole of coaxial backlight light source coincides with the optical axis of camera, the support rear end of fly is integrated the change volume turntable, change volume turntable can rotate around its central axis, multiple equidistant distribution volume shafts are configured on change volume turntable, volume shaft is equipped with adaptive tape head fixing mechanism.The utility model has the beneficial effects that: the utility model integrates change volume turntable in fly support rear end, multiple equidistant distribution volume shafts are configured on turntable, support multiple volume preloading;The utility model is equipped with adaptive tape head fixing mechanism 5 for volume shaft, compatible with different width and thickness volume, ensure that tape head is accurately fixed.

The invention relates to the technical field of pathogenic bacteria detection, and discloses a dairy cow mastitis pathogenic bacteria AI intelligent detection device, which comprises a sample collection device, a sample pretreatment module, an AI detection module, an AI detection module, an AI detection module, an AI detection module, an AI detection module and an AI detection module, the centrifugal operation module is used for carrying out centrifugal operation on the collected sample to remove supernate, adding sterile normal saline, resuspending and oscillating to obtain a pathogenic bacterium sample, and the data collection and feature extraction module is used for injecting the preprocessed sample into the detection device. According to the method, learning is carried out by using a large amount of known pathogenic bacteria sample data, so that the model gradually and accurately captures the internal relation between the feature combination and the pathogenic bacteria type, and a reliable mapping relation is established, so that the model can accurately map the pathogenic bacteria type to which a new unknown sample belongs when facing the new unknown sample; powerful support is provided for accurate detection of the dairy cow mastitis pathogenic bacteria, and the detection accuracy and efficiency are improved.

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 present invention provides a method and system for dynamic assessment of earthquake disaster losses based on multi-source disaster data, and relates to the technical field of data processing. The method comprises acquiring multi-source original data sets; cleaning information data sets, removing redundant information and extracting time tags, and unifying all time tags to coordinated time; screening traffic data sets, removing abnormal flow values, and extracting effective traffic flow information; performing spatial coordinate conversion on image data sets, and aligning image coordinates with the geographical coordinate system of the disaster area; calculating the traffic access index of each area, calculating the building damage rate and road access rate in the area, analyzing the access conditions and resource arrival difficulty of each area, and combining the personnel distribution and important facility location in the information data set; marking different loss levels for each area in the disaster area, and generating a dynamic assessment report. The present invention has a good dynamic assessment effect.

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 provides a deslagging device for tunneling construction and vertical shaft tunneling equipment, the deslagging device comprises a pneumatic slag suction system, a slag suction mechanism and a grab bucket, the grab bucket is provided with a plurality of material grabbing claws distributed in the circumferential direction, and each material grabbing claw can move to open or close the grab bucket; the slag suction mechanism is provided with a slag suction opening, and the pneumatic slag suction system is connected with the slag suction mechanism through a pipeline so that the slag suction opening can generate suction force. And the slag suction mechanism is arranged in the grab bucket, and the material grabbing claws are distributed around the slag suction port, so that the technical problems of relatively low slag discharging efficiency and relatively high power consumption during vertical shaft tunneling are solved.

The present invention provides a rear-mounted focusing objective lens, which is arranged between a front lens and a camera, with an optical axis as a rotation center, and includes a first lens, a cemented sheet, a liquid lens, an aperture, a second lens, a third lens, and a fourth lens in order from the object side to the image side. The present invention adopts an image-side telecentric optical design, and realizes automatic focusing by adjusting the surface curvature of the liquid lens. No mechanical displacement occurs during the entire focusing process, and rapid focusing can be completed once within 10ms. The focusing efficiency is high, the cost is low, and the camera and lens with a standard defined interface can be used, which greatly expands the scope of application.

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 invention relates to the technical field of agricultural machinery, in particular to an underground agricultural product fruit intelligent harvester which comprises a crawler-type moving frame, a cutting unit and a collecting unit, the cutting unit is fixedly arranged on the left side of the crawler-type moving frame, and the collecting unit is fixedly arranged in the crawler-type moving frame. The cutting unit and the collecting unit are tightly combined with the crawler-type moving frame to form a highly-collaborative operation system, the collecting unit can timely pick, convey, screen and collect underground fruits while the cutting unit treats vines, actions of all the components are matched with one another, and the working efficiency is greatly improved. In the forward moving process of the crawler-type moving frame, the plow harrow, the material collecting and conveying frame, the vibrating screen, the rotary material collecting frame and other components work in sequence according to a preset program, the integrated operation from vine cleaning to fruit collecting of underground agricultural products is achieved, the overall working efficiency of the harvester is improved, the working time is shortened, and energy consumption is reduced.

The utility model discloses a water rotation type paint mist treatment cabinet, relates to waste gas treatment technical field, including equipment cabinet, the lower surface of equipment cabinet is fixedly connected with a water tank, the left side of water tank is fixedly connected with a conveying assembly, the right side of the lower part of conveying pipe of conveying assembly is fixedly connected with a cleaning assembly, the right side of the left part of the cleaning assembly is fixedly connected with the left side of a water tank, and the bottom of an inner cavity of the water tank is fixedly connected with a sewage guide assembly. According to the water rotation type paint mist treatment cabinet, particle-shaped paint is gathered towards the left side under the action of the first inclined plate, meanwhile, the particle-shaped paint gathered on the left side of the first inclined plate cannot be influenced by water flow under the action of the second inclined plate, and therefore the particle-shaped paint is gathered in the inner wall of the groove in a centralized mode, and the paint mist treatment effect is improved. And when cleaning is needed, only an electronic valve in the sewage draining exit needs to be opened, and the particulate coating in the inner wall of the groove is discharged under the action of a third inclined plate, so that the particulate coating is conveniently and quickly treated in a centralized manner.

The invention discloses an axial length measurement method and device based on variable-focus OCT. The method comprises: before acquisition, the posterior segment optical path adjustment module is used to make the posterior segment optical path in a reference position, and the device self-check before axial length measurement is completed; during acquisition, the first reference arm light beam is matched with the anterior segment optical path, the posterior segment optical path adjustment module is adjusted, the second reference arm light beam is matched with the posterior segment optical path, and the sample arm light beam is focused on the cornea and retina in sequence by using a variable-focus liquid lens; and the cornea and retina are rapidly and focused on to achieve rapid imaging. According to the OCT imaging results of the cornea and retina and the displacement of the posterior segment optical path adjustment module, the axial length of the eye to be measured is measured. The axial length measurement device is used to implement the axial length measurement method, and can achieve rapid focused imaging of the cornea and retina to be measured. The invention uses the interference signals of the two reference arms to quickly calibrate the reference position of the posterior segment reference arm before each axial length measurement, so as to improve the accuracy of axial length measurement.

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.