973results about How to "Easy to determine" patented technology

The invention relates to the technical field of data processing, in particular to a fault detection method for a wire for a new energy automobile, and the method comprises the steps: obtaining a data sequence of detection data; determining the fluctuation time difference weight of the acquisition period based on the change of the autocorrelation strength between the data sequences when the data sequences fluctuate in the acquisition period; setting an amplitude threshold based on the amplitudes of the two kinds of detection data on all frequency components of the frequency domain, determining a fitting straight line based on the screened peak points by using a data fitting mode so as to determine a difference trend factor of the detection data, and determining a fault anomaly weight by combining a fluctuation time difference weight and an energy spectrum density difference so as to realize fault detection. Determining a connection influence coefficient of the detection data by combining the variable quantity of the elements in the data sequence; and obtaining an abnormal data point based on the connection influence coefficient by using a data clustering algorithm, and determining a fault detection result. According to the method, the clustering algorithm is optimized, so that the distinction degree of different fluctuation characteristic data is improved, and a more accurate fault detection result is obtained.

The invention relates to the technical field of resource allocation management, in particular to a first-aid medical resource allocation management method and system, a medium and a product, and the method comprises the steps: obtaining call-for-help appeal information, and determining first-aid preparation information based on the call-for-help appeal information, the first-aid preparation information comprising a first-aid route and first-aid vehicle-mounted resources; carrying out patient receiving and transporting based on the first-aid preparation information, and collecting real-time road condition information, patient sign information and patient medical history information in the receiving and transporting process; adjusting a first-aid route based on the real-time road condition information and the physical sign information of the patient, and recording receiving and transporting driving information; real-time hospital rescue resource information is acquired, and on-site medical resources and resource preparation time are determined based on the real-time hospital rescue resource information, the patient sign information and the patient medical history information; on-site preparation information is determined based on the on-site medical resources and the resource preparation time. According to the invention, rationality and accuracy in a first-aid medical resource allocation process can be improved, so that a patient can be ensured to be timely and effectively rescued.

The invention relates to the technical field of data processing, in particular to an aquaculture environment monitoring method based on the Internet of Things technology, and the method comprises the steps: obtaining a water quality detection data sequence at a plurality of sampling points in a reservoir, and dividing the water quality detection data sequence into a plurality of subsequences; mutation points are obtained according to fluctuation characteristics of the subsequences; obtaining a first retention degree of the fluctuation range according to the distribution characteristics and the distance characteristics of the mutation points; obtaining a discrete degree characterization value according to the position characteristics of the mutation points, and obtaining a rule evaluation coefficient according to the length characteristics of the decomposed residual sequence and the stable characteristics of data fluctuation. And obtaining a correction coefficient of a preset threshold value according to the first retention degree, the discrete degree representation value and the law evaluation coefficient, and compressing the water quality detection data sequence according to the correction coefficient and a revolving door algorithm. According to the method, the threshold value is adaptively determined according to the analysis result of the data fluctuation characteristics in the water quality detection data sequence, and the data retention degree reflecting abnormal conditions is improved while the overall compression efficiency is guaranteed.

The invention discloses a roadway deformation detection method and device, electronic equipment and a storage medium. The method comprises the following steps: performing gridding processing on original point cloud data of a target area to obtain multiple pieces of to-be-processed point cloud data located in the same grid area, and determining grid center point cloud data according to the multiple pieces of to-be-processed point cloud data; wherein the target area comprises a roadway to be detected; for the same grid region, determining type information of the current grid region according to the grid center point cloud data of the current grid region and predetermined positioning point cloud data; taking the to-be-processed point cloud data in the grid region of which the type information is the preset type as deformation point cloud data, and determining deformation quantity data corresponding to each roadway part of the to-be-detected roadway according to the deformation point cloud data and a pre-created corresponding relationship; and according to the deformation quantity data, determining the target deformation information of the to-be-detected roadway, thereby realizing efficient and accurate detection of the roadway deformation information.

The invention relates to a task scheduling method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps of obtaining a submitted target task, and adding the target task to a task priority queue; sorting all the tasks in the task priority queue based on the priority and deadline demand of each task in the task priority queue; task scheduling is conducted on the basis of the sequence of all tasks in the task priority queue, for the current scheduling task, a target computing node is determined on the basis of the transmission duration of data on which the current scheduling task depends and the earliest idle moment of each computing node, and the target computing node is used for completing the current scheduling task. By adopting the method, the task completion efficiency can be improved.

The invention provides an otoscope image processing system for establishing database model analysis based on deep learning, and relates to the technical field of image processing, the otoscope image processing system comprises an acquisition layer, a processing layer, an extraction layer, a modeling layer and an analysis layer, the processing layer adopts an AI image expansion algorithm to carry out fusion splicing and interference elimination processing on acquired images, and the extraction layer adopts a mixed feature extraction method to extract color, texture and shape features of the images processed by the processing layer and introduce MPEG-7 descriptors to express the features; according to the method, otoscope images of a patient are collected, features and feature values of the images are extracted, a focus global shared image library is constructed through deep learning modeling, the focus global shared image library is compared with the otoscope images of the patient for training, and corresponding focuses are determined, so that different ear diseases can be automatically identified and diagnosed by learning and analyzing a large amount of ear image data, and the diagnosis accuracy is improved. And more accurate and timely diagnosis information is provided for doctors.

The invention discloses inclined hole machining equipment for a compressor crankshaft. The problem that in the prior art, a drill floor cannot conveniently machine inclined holes of the crankshaft is solved. The device comprises a rack, a first moving mechanism arranged on the rack, a second moving mechanism arranged on the first moving mechanism in a sliding mode, a plurality of clamping mechanisms arranged on the second moving mechanism, a lifting mechanism arranged on the rack, a mounting base arranged on the lifting mechanism, a mounting plate rotationally arranged in the mounting base and an angle adjusting mechanism arranged on the mounting base. The drilling mechanisms are arranged on the mounting plate, and the balance mechanism is arranged in the rack and connected with the angle adjusting mechanism. According to the crankshaft inclined hole drilling device, the first moving mechanism, the second moving mechanism, the clamping mechanism, the lifting mechanism, the mounting base, the mounting plate, the angle adjusting mechanism and the drilling mechanism are matched, so that crankshaft inclined holes are conveniently machined, the machining efficiency of the crankshaft inclined holes is improved, and the labor intensity of workers is reduced.

The invention relates to a testing device and method for a controllable commutation converter valve. The device comprises a current source circuit which is used for providing on-state current for a controllable commutation converter valve under the condition that the controllable commutation converter valve is in an on state; the voltage source circuit is used for providing commutation voltage for the controllable commutation converter valve when the controllable commutation converter valve is in a turn-off state; the active turn-off circuit is used for providing turn-off test current for the controllable commutation converter valve; and the processing module is used for respectively controlling the working states of the current source circuit, the voltage source circuit and the active turn-off circuit, simulating a target test working condition for the controllable commutation converter valve, and collecting electrical parameters of the controllable commutation converter valve under the target test working condition. By adopting the device, a single working condition or a mixed working condition can be simulated for the controllable commutation converter valve, and a mixed operation test can be carried out.

The embodiment of the invention discloses a cable tunnel intelligent operation and maintenance method and device based on a digital twinning technology. A specific embodiment of the method comprises the steps of obtaining a point cloud data set and a tunnel drawing; constructing an initial three-dimensional cable tunnel model according to the point cloud data set and the tunnel drawing; according to each sensor arranged in the target cable tunnel, real-time sensing data corresponding to each sensor is obtained, and each piece of real-time sensing data is obtained; generating cable operation analysis information for the target cable tunnel according to the real-time sensing data; generating a cable twinborn model for the target cable tunnel according to the real-time sensing data and the cable operation analysis information; and executing at least one operation and maintenance processing task by using the cable twinning model. According to the implementation mode, the cable twinborn model can be accurately generated, so that intelligent operation and maintenance of the cable tunnel are realized, and cable accidents are avoided.

The invention provides a high-order Bezier curve automatic edge sealing method in three-dimensional printing, and the method comprises the steps: extracting model edge points, calculating control points, and generating a smooth Bezier curve edge sealing path; the method relates to de-noising processing, curve point calculation through a recursive algorithm, edge point extraction and connection sequence recognition, control point optimization, path planning and optimization and solidification through the laser or electron beam solidification technology, in the process, a high-precision sensor monitors the edge sealing quality in real time, imaging parameters are automatically adjusted to optimize the effect, and the quality of the edge sealing is improved. According to the method, the edge sealing accuracy and the surface quality are improved, the method is suitable for complex model printing, material waste is reduced, and related computer programs are stored in a medium and used for achieving the method.

The invention discloses a building foundation pit straightway excavation device, and particularly relates to the field of foundation pit straightway excavation, the building foundation pit straightway excavation device comprises a box body, the middle of the box body is fixedly connected with a protection frame, the bottom of the box body is provided with a soil discharge port and a through hole, and the middle of the soil discharge port is fixedly connected with a fixing rod. The position of the next hole is conveniently determined through the arranged laser emitter, the multiple holes are located in the same straight line, the straightway excavation quality is improved, through the arranged protection frame and the protection plate at the bottom of the through hole, soil generated by drilling can be discharged through soil discharging openings in the two sides of the through hole, the situation that the soil is scattered all around or fills the previous hole is avoided, and the construction efficiency is improved. According to the invention, soil among a plurality of holes can be conveniently cleaned, a straight way can be conveniently excavated in a communicated manner, and the soil discharged from the soil discharge port can be pushed to two sides through the arranged waste soil push-away mechanism, so that the soil can be conveniently and manually cleaned and the widths of two sides of the straight way can be conveniently determined through the pushed soil distance, and the working efficiency and the straight way excavation quality are improved.

The invention provides a scheduled task visualization method and device based on a time series, and relates to the field of visualization, the method comprises the following steps: obtaining scheduled task data, the scheduled task data being used for representing task information executed within a preset time; determining coordinate axis information according to the planned task data and the node cache data cached in advance; wherein the node cache data comprises a horizontal axis positioning sorting key and a vertical axis grouping basis, and the horizontal axis positioning sorting key is used for representing the position and sequence of the data on a horizontal axis; drawing a coordinate axis according to the coordinate axis information, and rendering a corresponding plan task node in the coordinate axis to obtain an initial display result; and according to the relationship among the scheduled tasks in the scheduled task data, rendering connecting lines among the scheduled task nodes in the initial display result to obtain a visual display result. According to the method, association and dependence between tasks can be clearly displayed, so that a visualization result is more accurate and reliable.

The invention relates to the technical field of sewage treatment, in particular to an intelligent operation management method and system for a water plant ultrafiltration membrane pool and a storage medium. The method comprises the steps that membrane pool operation parameters are obtained, multiple regression analysis is conducted on the membrane pool operation parameters, and transmembrane pressure differences corresponding to the membrane pool operation parameters are determined; the operating parameters of the membrane tank comprise inlet water quality, outlet water quality, water temperature and filtering pressure; when the transmembrane pressure difference is higher than the preset standard pressure difference, whether the current moment is in a preset emptying period or not is judged; if yes, carrying out cleaning operation based on the membrane pool operation parameters; and if not, obtaining a transmembrane pressure difference increase value in the first preset time period, and determining a coping intervention type based on the transmembrane pressure difference increase value, the coping intervention type including preventive intervention and immediate intervention. According to the invention, the balance between the cleaning and maintenance of the ultrafiltration membrane is conveniently improved, so that the continuous, efficient and stable operation of the water treatment process is ensured.

The invention relates to the technical field of image processing, in particular to a construction method and system of a water area breach live-action three-dimensional model. The method comprises the following steps: acquiring breach area control point position data; performing surveying and mapping reference confirmation on the breach area control point position data to generate breach area control point reference data; performing three-dimensional coordinate conversion through the breach area control point reference data so as to generate breach area plane coordinate data; unmanned aerial vehicle satellite signal receiving is carried out based on the breach area plane coordinate data, and a standard unmanned aerial vehicle satellite signal is obtained; and performing unmanned aerial vehicle aerial image acquisition based on the standard unmanned aerial vehicle satellite signal to obtain an aerial image of the breach area. Through accurate data acquisition, efficient unmanned aerial vehicle image acquisition and processing, dynamic image utilization and optimized point cloud model construction and texture mapping, the accuracy and timeliness of the three-dimensional model are improved.

The invention provides an antenna signal detection network, a detection method, an antenna system and a base station. The detection network comprises two correction channels and a switching network. Wherein the first correction channel comprises a plurality of first output ports, and the phases of the plurality of first output ports are the same; the second correction channel comprises a plurality of second output ports, the number of the second output ports is the same as that of the first output ports, the phases of the plurality of second output ports are different, and the plurality of first output ports and the second output ports are connected with the antenna array; the switching network is respectively connected with the two correction channels and is used for realizing the connection of the two correction channels with the calibration port in different time domains, and the calibration port is connected with the RRU and is used for inputting a transmission signal between the antenna array and the RRU. According to the antenna signal detection network, the antenna signal detection method, the antenna system and the base station provided by the invention, whether the connection between the antenna array and the RRU is correct or not can be quickly and conveniently detected.

The present invention discloses a pre-test processing device, medical equipment and a detection method, wherein the pre-test processing device includes a tray having at least one limiting groove; a tray fixing fixture having a structure for installing and fixing the tray; a material supply mechanism having a structure for storing materials in batches and transferring the materials one by one to the tray; a test liquid storage mechanism having a group of containers; and an injection mechanism having a structure that can extend into any of the containers to absorb liquid and inject it into the groove of the material on the tray. This solution installs reagent strips by setting a tray, and stores batches of materials through a material supply mechanism and transfers the stored materials to the tray to meet the test needs. Combined with the injection mechanism, the test liquid in the container is automatically injected into the groove of the reagent strip on the tray, which can meet the needs of large-scale and multi-item testing, create equipment conditions for the automation of various tests, and help improve detection efficiency.

The utility model relates to the technical field of flaw detectors, in particular to an ultrasonic flaw detector for track damage detection, which not only cleans a steel rail before detection so as to improve the accuracy of ultrasonic detection, but also cleans the steel rail by using a plurality of methods such as cleaning liquid, polishing, purging and the like so as to prolong the service life of the steel rail. Comprising a body; the rail cleaning device comprises a vehicle body and further comprises a driving mechanism, a grinding mechanism, a cleaning mechanism, a blowing mechanism and a detection mechanism, the driving mechanism is installed on the vehicle body and prevents the device from derailing, the grinding mechanism is installed on the vehicle body and grinds a rail, and the cleaning mechanism is installed on the grinding mechanism and cleans the rail. The purging mechanism is installed on the driving mechanism and purges the ground rust, and the detection mechanism is installed on the vehicle body and conducts ultrasonic detection on the track.

The invention discloses a configuration item error determination method and a related device. The method comprises the following steps: acquiring a source code comprising a plurality of configuration items and configuration item reading points respectively corresponding to the plurality of configuration items; a program dependency graph for characterizing relationships between program statements is constructed for the source code. According to the configuration item reading points corresponding to all the configuration items, slicing operation is conducted on the program dependency graph, and program statements associated with all the configuration items are determined. And for a first configuration item and a second configuration item in the plurality of configuration items, determining an overlapped statement between the program statement associated with the first configuration item and the program statement associated with the second configuration item. And determining an association grammar rule between the first configuration item and the second configuration item according to the overlapping statement. Therefore, the association grammar rule is determined according to the overlapping statement before the configuration item, so that the association error of the configuration item can be conveniently determined according to the association grammar rule, the dimension of the configuration item grammar rule is expanded, and the comprehensiveness of determining the error of the configuration item is improved.

The invention discloses an FANUC industrial robot operation track program text modification method and device, and belongs to the technical field of industrial robots. The modification method comprises the following steps: displaying a to-be-modified robot operation program old text in a first text display box; modifying the modified text target line of the to-be-modified old text of the robot operation program through the basic control, changing old operation content in the modified text target line of the to-be-modified old text of the robot operation program into new operation content, and obtaining a new text of the robot operation program; displaying the obtained new text of the robot operation program in a second text display box, and checking the modified operation content in the obtained new text of the robot operation program; and taking the new text of the robot operation program passing the checking of the modified operation content as a new robot operation program. According to the modification method, the operation track program of the FANUC industrial robot can be quickly modified, and the program modification efficiency is improved.

The invention relates to the technical field of wall body detection, and discloses a civil engineering wall body flatness detection device, which comprises a detection ruler body, a plurality of flatness detection mechanisms are arranged on the inner surface of the detection ruler body, and each of the plurality of flatness detection mechanisms comprises a detection groove. The interior of the detection groove is elastically connected with a detection seat through a first spring, the two ends of the first spring are fixedly arranged between the inner wall of the detection groove and the bottom wall of the detection seat respectively, one end of the detection seat is slidably connected with a first installation seat, and a first marking pen is installed on the first installation seat. A first driving assembly is arranged in the detection seat, and the first driving assembly is in transmission connection with the first mounting seat; according to the technical scheme, when the wall body is detected, a mark point can be made on the wall body, so that a worker can conveniently identify a part which is detected firstly and know a detection starting point more quickly, repeated detection is avoided, and the detection efficiency is improved.

The invention provides a vehicle interaction control method and device, electronic equipment and a storage medium, and relates to the technical field of vehicle interaction control, the vehicle interaction control method and device are applied to a vehicle-mounted terminal, the vehicle-mounted terminal comprises at least two terminal equipment, and the method comprises the steps that in response to a steering wheel control signal, the number of active equipment in all the terminal equipment is judged; when the number of the active devices is larger than or equal to 2, at least one active device is determined to serve as a target response device according to a preset interaction signal, the preset interaction signal occurs before the steering wheel control signal is triggered, and when the preset interaction signal is a touch interaction signal, at least one active device is determined to serve as a target response device. The active device where the touch interaction signal closest to the triggering time of the steering wheel control signal is located serves as the target response device; and changing the state of the target response equipment according to the steering wheel control signal, so that a driver can conveniently control the terminal equipment to be controlled from a plurality of terminal equipment.

The invention belongs to the field of digital engraving, and particularly relates to a method for establishing a spatial relationship between an array clamping system and an engraving system, which comprises the following steps of: adjusting the geometric accuracy of each axis of the engraving system to be within a required range; adjusting the geometric accuracy of each shaft in the array clamping system; setting a zero point position of the array clamping system; fitting the X-axis direction and the Y-axis direction of the engraving system; preparing a measuring tool; constructing a coordinate system in the array clamping system; the initial position of each lifting column in the first row is controlled; the initial positions of the second row of lifting columns and other lifting columns are controlled; preparing a scribing tool and a scribing observation tool; determining X, Y and Z zero coordinates of a coordinate system of the engraving system; the spatial relationship between the array clamping system (2) and the engraving system (1) is established; according to the method, the spatial relationship between the array clamping system and the engraving system can be quickly established, the workload of technicians and operators is reduced, the precision of skin engraving machining is improved, and the machining cost is saved.

The invention discloses a method, a device and equipment for determining electrochemical parameters of a battery, a medium and a product. The method comprises the following steps: acquiring an electrochemical impedance frequency spectrum of the battery; constructing an electrochemical model, wherein the electrochemical model is obtained by adding an electric double-layer capacitance model on the basis of the pseudo two-dimensional model; inputting an electrochemical parameter initial value into the electrochemical model, applying a sinusoidal signal with a preset frequency, and simulating a battery electrochemical experiment process to obtain a simulation voltage value and a simulation current value; performing fitting calculation processing on the simulation voltage value and the simulation current value to obtain a simulation impedance value; and performing iterative adjustment on the initial value of the electrochemical parameter according to the test impedance value and the simulation impedance value to obtain a target value of the electrochemical parameter. According to the scheme, the electrochemical parameters of the battery can be directly obtained by using the pseudo two-dimensional model and the electric double-layer capacitance model, and influences of different physical and chemical processes are distinguished through impedance analysis, so that the accuracy of electrochemical parameter calculation is improved.

The invention provides a tire assembly modal test method, and belongs to the technical field of tire acoustics. According to the tire assembly modal test method, the modal parameters of the tire can be analyzed by measuring the modal shape of each order of the tire, and data support is provided for acoustic development of the tire. The test is suitable for passenger car tires and minibus tires (LT / RV). And the frequency response function represents the relation between steady-state output and input of the test system under the given frequency. The relation specifically refers to a function relation between the ratio of the output amplitude to the input amplitude and the input frequency and a function relation between the output phase difference and the input phase difference and the input frequency. Therefore, the test method is simplified, the test process is standardized, the test efficiency is improved, and various data of the tire can be quickly subjected to experimental acquisition, so that whether the tire is qualified or not can be known, and the product improvement direction can be well determined in the subsequent tire production.

The invention provides a laser radar blind compensation method and device, equipment and a storage medium, relates to the technical field of laser radars, and solves the problem that unmanned equipment is difficult to expand the equipment sensing range in the related art. Through calibration of mirror plane parameters and rasterization of a sensing area corresponding to the laser radar, a two-dimensional grid map associated with the grid area and the mirror plane parameters is established, so that real coordinates of a laser beam reflected by a reflector are determined, blind area compensation is realized, and the blind area detection accuracy is improved. Therefore, the sensing range of the equipment when the equipment uses the laser radar for sensing is effectively expanded, accurate detection is realized, a large number of laser radars do not need to be arranged at the same time, and the landing cost of commercial equipment is reduced.

The utility model discloses a cooling device for plastic production, belongs to the technical field of plastic production, and aims to enable cold air at a refrigeration sheet to blow to a plastic strip, so that the plastic strip is subjected to primary cooling treatment, liquid can be sprayed to the whole plastic strip, and the plastic strip is subjected to secondary cooling treatment. The plastic production cooling device comprises a bearing table, a cooling box is installed at the middle section of the top of the bearing table, and the two ends of the cooling box are communicated; the cooling box is formed by hinging two fixing boxes through a hinge, the cooling box is divided into a first cooling cavity and a second cooling cavity through a barrier plate, refrigeration pieces are embedded and installed at the top, corresponding to the first cooling cavity, of the cooling box at equal intervals, an air guide barrel is fixed to the refrigeration pieces, a fixing frame is fixed to the air guide barrel, and an air guide wheel is rotationally arranged on the fixing frame; and air guide grooves are formed in the bottom, corresponding to the first cooling cavity, of the cooling box at equal intervals, bearing frames with nozzles are fixed to the top, corresponding to the second cooling cavity, of the cooling box at equal intervals, and a drainage pipe is arranged at the bottom of the cooling box.

The invention belongs to the technical field of hypertrophic cardiomyopathy pulsed electric field ablation, and particularly relates to a hypertrophic cardiomyopathy pulsed electric field ablation device which comprises a pulse generator, a flexible catheter is fixedly mounted on one side of the pulse generator, and a sliding part is slidably connected to the outer surface of the flexible catheter. A real-time three-dimensional echocardiogram can be generated in the ablation process, and a relatively clear heart structure image can be provided for a doctor through the three-dimensional echocardiogram, so that the doctor can better determine a hypertrophic cardiac muscle area; data analysis is carried out on the heart of a large number of patients through artificial intelligence and a machine learning algorithm in the high-speed analog-to-digital converter, a personalized heart model is generated, a doctor is assisted in accurate positioning, the number of times of adjusting the position of the PFAD electrode catheter is reduced, the time needed by the doctor during an operation is shortened, and the difficulty of operative treatment is reduced.

The invention discloses a natural gas leakage detection device, which belongs to the technical field of natural gas leakage detection and comprises two polygonal blocks, arc-shaped grooves are formed in the inner sides of the two polygonal blocks, four linear motors are arranged on the outer sides of the two polygonal blocks, and roller driving mechanisms are arranged on the four linear motors. Power distribution boxes are fixedly mounted on the outer sides of the two polygonal blocks, control chips, alarms, gas detectors, power sources, image pick-up devices and wireless transmitters are arranged in the two power distribution boxes, and the control chips, the alarms, the gas detectors, the power sources, the image pick-up devices and the wireless transmitters are electrically connected in sequence; the gas detector and the camera are both located on the inner side of the arc-shaped groove. According to the invention, through walking detection on the outer side of the gas pipe, the gas pipe can be automatically detected, the hand-held operation of a worker is avoided, the working efficiency is improved, and the labor intensity is reduced.

The utility model relates to the technical field of counting plates, and discloses a blood counting plate convenient to observe, which comprises a counting plate main body, anti-skidding grooves are equidistantly formed in the front end and the rear end of the counting plate main body, a label and a direction label are arranged at the top end of the counting plate main body, and two separation grooves are equidistantly formed in the middle of the top end of the counting plate main body. A supporting column is fixedly connected to the top end of an inner cavity of the partition groove, two connecting blocks are fixedly connected to the top end of the supporting column at equal intervals, the top ends of the four connecting blocks are jointly and movably connected with cover glass, an H-shaped groove is formed in the middle of the top end of the counting plate body, and two counting pools are fixedly connected to the top end of the counting plate body at equal intervals. Different colors are arranged at the bottom end of the counting chamber, and different areas of the large grid, the middle grid and the counting chamber are distinguished through the colors, so that cell morphological characteristics are displayed more obviously, distinguishing and calculation are convenient during observation, and the placement position of the cover glass is conveniently determined through a connecting block.

The invention discloses an aspheric reflector optical axis detection device and method, and relates to the technical field of optical measurement, the aspheric reflector optical axis detection device comprises a fixed seat, an interferometer, a laser tracker and an information processing device; the fixing seat is used for fixing an aspheric reflector to be detected, and when the aspheric reflector is fixed by the fixing seat, the axis of the aspheric reflector extends in the left-right direction; the interferometer is arranged on the side of the fixed seat and is movably arranged in the up-down direction, the left-right direction and the front-back direction, and a light source part of the interferometer is arranged towards the fixed seat so as to emit measuring waves towards the aspheric reflector; the laser tracker comprises a target ball, and the target ball can move between the interferometer and the fixed seat in the up-down direction, the left-right direction and the front-back direction and can abut against the peripheral side face of the aspheric reflector. According to the technical scheme, the position of the optical axis of the large-aperture aspheric reflector can be quickly and conveniently determined on the premise that the mirror surface is not damaged.