240results about How to "Guarantee authenticity" patented technology

The invention provides a clamping device for a thin-wall whole pipe fatigue test and a test method, and belongs to the technical field of clamping devices. The device comprises clamping cushion blocks which are fixedly connected to two ends of a thin-wall whole tube sample main body and are used for transmitting test force; the high polymer material film adhesive tape is wound on a transition area of the clamping cushion block and the thin-wall whole pipe sample main body; the chock plugs are used for being plugged into the two ends of the thin-wall whole-tube sample main body, and packing paper is installed between the chock plugs and the inner wall of the thin-wall whole-tube sample main body and used for supporting the inner wall of the sample and evenly transmitting test force. The clamping cushion blocks are fixedly connected to the two ends of the sample and matched with the high polymer material film adhesive tape to reduce friction, the chock plugs are wound around the packing paper to support the inner wall, a stable clamping structure is formed, and it is ensured that fatigue fracture occurs in the working section. The problems of clamping stress concentration and fracture of a non-working section can be effectively avoided, the accuracy of a fatigue life evaluation result of the whole thin-wall pipe is improved, and the method can be widely applied to high-cycle and low-cycle fatigue performance tests under different conditions.

The application relates to a laser-based textile fabric thickness measuring device and measuring method, which comprises a base, two front and rear arranged folding mechanisms and two left and right arranged measuring mechanisms; the folding mechanism comprises a folding stand, a lifting block vertically sliding on the folding stand and a rotating shaft shaft-connected to the lifting block, the rotating shaft is fixedly connected with a mounting rod, and the mounting rod is fixedly connected with multiple side-by-side comb teeth; the measuring mechanism comprises two oppositely moving sliding base plates, the sliding base plates are fixedly connected with measuring stands, upper tooth columns and lower tooth columns are respectively horizontally slidably connected to the upper and lower ends of the measuring stands, the lower tooth columns and the upper tooth columns are transmissionally connected, laser ranging sensors and receiving plates are respectively arranged on the two lower tooth columns, the application significantly improves the accuracy, repeatability and efficiency of thickness measurement, is especially suitable for processing ultra-thin, soft or irregular surface fabrics, and provides an objective and efficient thickness detection solution for the textile industry.

The invention relates to the technical field of data management, and discloses a medical data secure transmission method and a big data digital signature system, and the method comprises a hierarchical processing step, a privacy enhancement step, a key negotiation step, a segmented transmission step and an audit tracking step. The system comprises a signature preprocessing module, a hierarchical signature module, a privacy purification module, a verification module and a tracing module. According to the method, a risk association map is constructed through hierarchical processing, and accurate identification of data association risks is realized; privacy and availability are balanced through differentiated privacy enhancement, authorization controllability is enhanced in combination with block chain key management, large file transmission integrity and non-repudiation are guaranteed, and whole-course audit is controllable. According to the system, the relevance between the signature and the privacy feature is improved through module design, the integrity and relevance of the signature chain are guaranteed, privacy protection and verifiability are compatible, efficient verification is achieved, the dispute traceability is provided, and pediatric medical data safety is guaranteed in cooperation with the method.

The application discloses a low-cost low-orbit satellite attitude and orbit control ground simulation system, and a technical solution for realizing the purpose of the application is divided into two steps of fixed-axis attitude adjustment and free attitude and orbit control, required devices include a micro wind tunnel mechanism (1) and a support mechanism, the support mechanism is divided into a fixed-axis support (2) and a free support (3). The micro wind tunnel mechanism (1) is used for simulating 300KM atmosphere in ground tests. The micro wind tunnel mechanism (1) is an open-circuit wind tunnel in the experiment. The micro wind tunnel mechanism (1) is divided into an experimental section (1C), a steady flow section (1B) and a large-angle diffusion section (1A); the atmospheric sail (4) is first installed on the support mechanism and then placed in the experimental section (1C). The airflow generated by the fan is injected into the large-angle diffusion section (1A) through the fan sleeve (5), flows through the steady flow section (1B), after the airflow quality is improved in the porous air duct (18) of the steady flow section (1B), the airflow flows into the experimental section (1C) and is finally discharged into the atmosphere. The micro wind tunnel mechanism (1) has small volume and low cost, and is suitable for ground experimental simulation of low-speed atmospheric sail small satellites.

The invention provides a data processing method and device for instrument detection, equipment and a storage medium, relates to the technical field of digital instrument detection, and solves the problem of insufficient detection precision caused by the technical bottlenecks of data scarcity and difficulty in small target recognition in a power distribution room scene in the prior art. According to the scheme, a large amount of sample data can be automatically generated based on a programmed image generation mechanism, and the target detection model introduced with the convolution attention mechanism is trained, so that a more accurate model is deployed on detection equipment; therefore, high-precision and high-robustness detection of the small-size and low-contrast digital instrument in the to-be-detected place under the complex environment of the power distribution room is realized, and the detection precision of the characters in the digital instrument is effectively improved.

This invention relates to the field of resource and environmental technology, specifically to a CFD simulation method for detecting marine foreign objects based on muon imaging. The method includes: collecting muon flux and scattering angle data by deploying a three-dimensional detection network on the sea surface and seabed; inverting the three-dimensional density field of the target sea area by combining environmental parameters to identify density anomaly regions; constructing a CFD three-dimensional flow field simulation model based on marine geographic and topographic data, using the inverted density field as initial and boundary conditions, and setting fluid parameters and turbulence models; initiating CFD simulation to simulate fluid transport and foreign object diffusion processes, and iteratively coupling the measured muon density field with the simulated density field until the deviation converges, achieving precise synchronization between the density field and the flow field; fusing density anomaly characteristics and flow field distribution to accurately locate the foreign object, identify its type, predict its trajectory and evolution trend, and generate early warning information. This invention achieves efficient, accurate detection and dynamic monitoring of marine foreign objects.

The invention relates to the technical field of digital twinning simulation, in particular to a digital twinning-based temperature and humidity verification box multi-physics field real-time monitoring method, which comprises the following steps of: constructing a digital twinning grid index system, and solving a no-load flow field by using CFD (Computational Fluid Dynamics) simulation to obtain reference turbulent energy; obtaining geometric data of a to-be-detected device, mapping the to-be-detected device to the digital twin grid index system by using a voxelization algorithm, and calculating a thermal inertia correction coefficient; the flow field is iteratively solved based on the thermal inertia correction coefficient, a source item is generated by applying the virtual resistance density and the turbulent energy, and real-time corrected turbulent energy is obtained through calculation; calculating a reliability weight according to the ratio of the real-time corrected turbulent energy of the grid unit where the sensor is located to the reference turbulent energy, wherein the reliability weight is in negative correlation with the ratio; and weighting the monitoring data by using the reliability weight to realize closed-loop control. According to the method, the problem of monitoring misalignment caused by flow field topology change is effectively solved, and the monitoring accuracy is improved.

The application discloses a kind of game-based motivation-based adolescent psychological intervention digital systems, comprising: data acquisition module, obtain continuous audio stream data;Voice pre-processing module, continuous audio stream data is pre-processed, acoustic feature is extracted and generates emotional label, and continuous audio stream data is converted into text sequence data;Semantic analysis module is used for the semantic analysis of text sequence data, and logical syntax entity in text sequence data is extracted in conjunction with emotional label, and generates cognitive feature vector;Cognitive identification module, cognitive feature vector is input into model and is calculated, and the output cognitive distortion type and severity level;Intervention decision module is used for according to cognitive distortion type and severity level, and after the current execution node of game plot, insert hidden branch task;Dialogue generation module is used for driving virtual accompanying NPC to execute hidden branch task, and generates guiding speech, and dialogue generation module outputs guiding speech to user.

This invention relates to the field of optoelectronic detection technology and discloses an online detection system for screen color uniformity based on dynamic rotating polarization spectrum. The system includes an online transmission module for carrying and driving the illuminated screen under test to move continuously along a set direction at a set speed; and a combined optical encoding module, positioned above the screen under test, comprising a static spatial-spectral phase delay mask and a continuously rotating polarization modulator arranged sequentially along the beam propagation direction. By driving the screen to continuously translate using the online transmission module, and cooperating with the continuously rotating polarization modulator and hyperspectral acquisition module to acquire dynamic spatiotemporal aliasing data, the accuracy of the spectral dimension can be guaranteed. Furthermore, by extracting high-precision chromaticity parameter matrices and multidimensional polarization distortion feature matrices from the decoupled and reconstructed optimal polarization spectral tensor solution, the system's ability to detect complex internal quality problems can be significantly enhanced.

The application discloses a multi-core cache consistency debugging method based on multi-view access and belongs to the field of multi-core processor debugging. The method is characterized in that a target address is specified in a main memory by a host computer through a JTAG debugging interface, five groups of data of CPU view, L1 data cache view, L1 instruction cache view, L2 view and real memory view corresponding to the address are read in turn, whether cache is invalid is judged by comparing data consistency, and a cache level inconsistent is marked. The debugging system comprises a built-in JTAG TAP controller, an enhanced debugging access module, a storage level access arbitrator and a data and state collector. The application realizes direct access of the JTAG interface to data of each level of cache, does not need to modify hardware or disable cache, does not interfere with system operation, can quickly locate cache consistency problems under a multi-core architecture, improves debugging efficiency and accuracy, and is suitable for debugging scenes of large-scale multi-core processors.

This invention relates to the field of traceability auditing and privacy protection technology for medical insurance fund data, specifically to a blockchain-based AI-powered method and system for traceability and privacy auditing of medical insurance fund data. It achieves data encapsulation and self-auditing by defining Executable Audit Semantic Units (EASUs), constructs a two-layer blockchain architecture to handle transactions and solidify audit rules, and leverages federated learning, secure enclaves, and zero-knowledge proof technologies to complete triggered deep auditing while protecting data privacy. This method and system enable reliable traceability of audit data, dynamic rule evolution, and verifiable audit results, solving the problem of balancing privacy protection and audit effectiveness in medical insurance fund auditing, and improving audit accuracy and security.

The invention discloses a method for measuring and calculating the diameter of a carbon fiber by a weighing method, which comprises the following steps: pretreatment: removing a sizing agent on a carbon fiber tow to be measured and calculated to obtain a pretreated carbon fiber tow; and calculating: selecting more than two carbon fibers from the pretreated carbon fiber tow as samples, and calculating the d average of the carbon fibers in the pretreated carbon fiber tow according to d average = square root of [4m / (epsilon pi rho L total)]. The to-be-measured carbon fiber tow is pretreated, so that the interference of a sizing agent can be eliminated, and the authenticity of diameter measurement is guaranteed; actual density rho is introduced to replace a general value, and the influence of batch fluctuation can be overcome; a plurality of sampling and correction coefficients epsilon are adopted, and the non-circularity and representativeness of the section are considered. The above means cooperate to make the weighing method really adapt to the material characteristics and structural characteristics of the carbon fibers, system errors are inhibited from the source, and the accuracy and repeatability of measurement results are significantly improved.

The application discloses a kind of method, system, equipment and storage medium suitable for ecological optimization scheduling of "artificial flood peak" of reservoir, belong to reservoir ecological scheduling technical field, this method first collects target river section basic environmental data and target fish spawning related information, constructs and verifies one-dimensional water power, water temperature model;Again, combine spawning information and model to determine spawning ground position and normalize data, calculate spawning scale and distribution characteristics;Subsequently, set spawning scale threshold, extract suitable water temperature, hydrological index and ecological scheduling time window of fish spawning by machine learning model;In window period, monitor and judge scheduling start condition, combined with forecast information of trunk stream and branch stream, to utilize branch stream hydrology water temperature condition, satisfy multiple spawning ground index as target to develop and execute scheduling scheme;Finally, the aforementioned method is used to calculate spawning scale during scheduling period, and the implementation effect of scheduling is evaluated.The application improves the accuracy of scheduling index and the feasibility of scheme, making the spawning scale statistics and effect evaluation more practical.

A kind of power equipment image processing method based on optical fiber bundle imaging, storage medium and system, method is: signal output by infrared fiber bundle is collected by infrared camera pixel matrix, unit in matrix is divided into effective unit and invalid unit, and generate unit division binary matrix data file;Again processing obtains temperature correction matrix data file, temperature segmented point corresponding response value matrix data file, and establish the correction value of response value matrix under different radiation scene;Through numerical fitting and interpolation compensation method, the video stream of optical fiber bundle transmission image is carried out real-time restoration and optimization, completes the inversion from thermal map to temperature field distribution;The present application also includes the storage medium and system of storing the power equipment image processing method based on optical fiber bundle imaging of running this, the present application carries out real-time restoration and optimization to the video stream of optical fiber bundle transmission image by numerical fitting and interpolation compensation method, completes the inversion from thermal map to temperature field distribution.

The invention discloses an online reasoning-oriented verifiable data processing method, device and system, and the method comprises the steps that an evidence obtaining bypass module, an evidence bus and an evidence bin are configured in advance, the evidence obtaining bypass module triggers an abnormal event based on the evidence prompt in the reasoning process, and the evidence obtaining bypass module determines a time window including the triggering moment, an event header is created, an event abstract is generated and transmitted to an evidence bin through an evidence bus, and the event abstract comprises a decision track section and a calculation specification section at the triggering moment; collecting an evidence full text in the time window, dividing the evidence full text into a plurality of evidence blocks and configuring corresponding block indexes; sequentially transmitting the block index and the evidence block to an evidence bin through an evidence bus, generating an integrity verification field, and sending a sealing identifier; and the evidence bin performs integrity verification on the evidence packet after receiving the storage identifier, and if the verification is passed, the evidence packet is modified to be in a storage state. According to the method, verifiable evidence recording, chained storage and playback processing can be carried out on data of abnormal events in the online reasoning process.

The application belongs to the technical field of automobile parts life test, in particular to a kind of automobile parts service life test device, including test body;The test body is built-in ozone generator and temperature and humidity regulator;Through servo motor drive fixed frame and tire idling, detect the conventional data under the setting environment, idling reaches the setting duration, No. 1 electric slide frame drives storage tank and tire to move down, tire is covered in sandstone pile through through slot and rubs, simulate the impact and wear of sandstone pavement, intermittent up and down movement of tire is required in test, backfill medium when sliding down, test when sliding down, can be operated with mechanical hand, ensure the authenticity of sandstone road condition simulation, sandstone groove can place big and small particle sand, also can add gravel, glass fragments and other medium, simulate the wear and tear and puncture of different road conditions on tire, satisfy various test scenes, ensure the accuracy and reference value of tire service life test.

The application discloses a kind of pressure-maintaining electric sampler and its use method and related application.The sampler driving part is connected with valve core to drive valve core up and down movement, valve core is connected with the valve and drives the valve up and down movement to open or close the first liquid inlet passage for communicating central hole on body assembly;Second liquid inlet passage is opened in liquid storage tank and communicated with the first liquid inlet passage, ball rod is compressed spring under the liquid pressure from the first liquid inlet passage and opens second liquid inlet passage to make liquid enter liquid storage tank, and after sampling is completed, second liquid inlet passage is closed under the restoring force of spring, after sampling is completed, liquid pressure in liquid storage tank acts on ball rod to maintain the constancy of liquid pressure in liquid storage tank, compared with traditional sampler, the authenticity of in-situ pressure and other parameters of produced sample liquid is guaranteed and faithfully lifted to ground, the accuracy of reservoir physical property detection is improved, valuable data reference is provided for understanding real formation reservoir dynamic condition.

This application relates to a marine vortex SAR imaging simulation method, comprising: acquiring marine environmental data of a target marine vortex region; generating a first geostrophic velocity field based on the sea surface dynamic height data, and generating a second geostrophic velocity field based on the three-dimensional temperature data and three-dimensional salinity data; performing a weighted summation of the first and second geostrophic velocity fields according to their respective weight values ​​to generate a composite geostrophic field corresponding to the target marine vortex region; and performing SAR simulation imaging on the target marine vortex region based on the composite geostrophic field to obtain a simulated SAR image of the target marine vortex region. Based on the above method, the problem of unclear details due to resolution limitations in sea surface dynamic height data can be improved; and the characteristics of vortices can be more fully represented, increasing the imaging effect of SAR in marine vortex imaging simulation applications.

The invention provides a laser measuring device for steel bar deformation, and belongs to the technical field of laser measuring equipment, the laser measuring device is characterized in that a top cover frame is arranged above a device base, and a detection cavity is formed between the device base and the top cover frame; the detection assembly comprises a grating light emitter and a grating light receiver which are used for detecting the deformation amount of the reinforcing steel bar, and the grating light emitter and the grating light receiver are both installed in the detection cavity and located on the two sides of the reinforcing steel bar; the driving assembly is used for fixing the bottom end of the reinforcing steel bar, driving the reinforcing steel bar to rotate along the axis of the reinforcing steel bar and driving the grating light emitter and the grating light receiver to move along the axis of the reinforcing steel bar for deformation detection, so that full-section detection of rotary scanning and axial movement is formed, and light signal changes instead of the relative offset between the two sections are captured section by section. The problem that a traditional laser measuring device is prone to data deviation is solved, a fixing assembly comprises two sets of clamping forks used for clamping the top end of a steel bar, and lubricating assemblies used for lubricating the rotating connecting position of a clamping roller and a support are arranged on the clamping forks.

The invention discloses an illegal evidence chain evidence obtaining method and system based on external graphic features of a garbage bag, and relates to the technical field of garbage classification, and the method comprises the steps: obtaining an illegal putting graph uploaded by an inspection worker; inputting the violation putting image into a target identification model, and obtaining a violation image label; and screening out target video data from a video database according to the illegal image tag, and storing the target video data as law enforcement evidence. According to the invention, the efficiency and accuracy of garbage classification and illegal behavior supervision can be improved, the security, privacy and authenticity of data are ensured, a favorable means based on illegal evidence is provided for supervision of unclassified residents, and conditions are provided for unattended delivery points.

The application provides an electroencephalogram artifact removal method, system and device based on ICA and outlier detection, which comprises the following steps: selecting an EEG signal containing artifacts in real time; processing the EEG signal containing artifacts; processing the processed EEG signal to generate N independent estimated source signals through decomposition; calculating the kurtosis coefficient of each independent estimated source signal, and setting a threshold value of the kurtosis coefficient; judging whether each independent estimated source signal is an artifact source according to the set threshold value of the kurtosis coefficient, if yes, detecting abnormal data in the artifact source and processing the abnormal data, and if not, obtaining residual source signals; and reconstructing the processed artifact source and the residual source signals to obtain an electroencephalogram signal after artifact removal. The electroencephalogram artifact removal method provided by the application has low complexity, high accuracy and good robustness.

The invention relates to the technical field of biomedical engineering, in particular to an invasive mouse electroencephalogram data acquisition and analysis system and method. The system comprises a motion structure assembly used for providing a motion carrier for a mouse and collecting motion parameters; the control assembly is used for adjusting motor output according to the target parameter, generating a synchronous time label instruction, recording the actual motion parameter in real time and storing the actual motion parameter in association with the time label; and the data acquisition and analysis component is used for acquiring original electroencephalogram data, synchronously storing a time label, aligning an electroencephalogram sampling time sequence with a motion control time label sequence, extracting electroencephalogram pulse position information, calculating a neuron discharge frequency and establishing a correlation between the discharge frequency and a motion parameter. According to the technical scheme, accurate and synchronous acquisition, automatic alignment of time stamps and multi-dimensional correlation analysis of mouse motion states and electroencephalogram signals can be realized.

Embodiments of the present application provide an archive management method, device, system, electronic equipment and computer storage medium, wherein the method comprises: receiving at least one file to be archived through a first data interface, wherein the at least one file to be archived comprises at least one file format; sending the at least one file to be archived to a format conversion module, and converting each file to be archived into a standard archived file in OFD format through the format conversion module; obtaining each standard archived file converted by the format conversion module; packaging each standard archived file into an xml archive file in xml format; and calling a second data interface to send the xml archive file to an archive management module. Embodiments of the present application can realize format conversion of the file to be archived, packaging of each standard archived file, and sending of the xml archive file, without the need for multiple manual interventions, thereby saving labor and avoiding human errors.

This invention provides a drug detection device to prevent substitution. The sampling sticker includes a sampling part and an adhesive part, with perforated lines between them. The adhesive part is adhered to a storage tube, and release paper is adhered to the back of the sampling part. First, the fingerprint of the examinee is recorded using fingerprint paper to verify their identity. As the adhesive part and sampling part separate, the fingerprint paper is also torn in half; one half is on the storage tube, and the other half is adhered to the hair sample being tested. By verifying whether the fingerprint paper on the storage tube matches the fingerprint paper on the hair sample, it can be determined whether the sample in the storage tube has been substituted. Furthermore, the method of folding and attaching the sampling part to collect the hair makes it difficult for the hair to detach from the sampling part. Even if the hair is removed from the sampling part, it is difficult to insert a substitute hair sample, ensuring the authenticity of the sampled hair and eliminating the risk of hair substitution.

The invention provides a stator outer diameter roundness detection mechanism and method based on internal expansion type positioning, and relates to the technical field of precision measurement, the stator outer diameter roundness detection mechanism comprises a base station, a rotation driving module, a product positioning module, a lifting driving module and a detection module, the product positioning module adopts an internal expansion type mechanism composed of a top column, a positioning block and a wedge block group, the wedge block group is driven to radially tighten the inner hole of the stator through the axial movement of the top column, so that different inner diameter tolerances are adapted, high-precision and non-eccentric positioning is realized, during detection, the lifting driving module drives the plurality of contact displacement sensors to move along the axial direction of the stator and scan the outer diameter contour of the stator iron core unit, and meanwhile, the rotating driving module is used for indexing, so that the detection precision is improved. According to the invention, automatic and high-efficiency detection of the outer diameter roundness of all stator core units is realized, the problems of inaccurate positioning and poor universality of a traditional jig are effectively solved, and the detection precision and efficiency are remarkably improved.

This invention discloses a hardware verification circuit for quantum telemetry and control link calibration and measurement results, belonging to the field of high-precision hardware technology for quantum telemetry and control. The circuit includes a link characteristic measurement unit, a parameter compensation storage unit, a hardware compensation controller, a hardware redundancy verification unit, and a calibration parameter storage unit with a one-time programmable fuse. All calibration rules and verification parameters are permanently fixed using the one-time programmable fuse and cannot be modified by software. This invention achieves full-dimensional calibration of the quantum telemetry and control link and hardware-level anti-tampering verification of measurement results through a pure hardware circuit, solving the problems of existing technologies where link calibration relies on software, accuracy is insufficient, and measurement results lack hardware-level protection. It can improve the synchronization accuracy and reliability of quantum telemetry and control results, and is suitable for various high-precision quantum telemetry and control scenarios.

The application provides a kind of organic tea traceability authentication method and system based on block chain, by constructing the hybrid chain architecture of organic tea traceability authentication, the data fingerprint of organic tea traceability data is generated on the permission chain of hybrid chain architecture, and the data fingerprint is anchored to the non-permission chain of the hybrid chain architecture, forming the cross-chain data protection mechanism from the permission chain to the non-permission chain;Based on the hybrid chain architecture, the organic tea traceability data is converted into a verifiable on-chain traceability digital certificate, and the digital autonomous sovereign identity of each participating user is created;When initiating the query request of organic tea traceability data, the query request is accessed into the hybrid chain architecture through the digital autonomous sovereign identity, and the organic tea traceability data corresponding to the query request is authenticated based on the on-chain traceability digital certificate and the cross-chain data protection mechanism. Using the scheme of the application, the organic tea traceability can be cooperatively authenticated based on cross-chain data intercommunication.

This utility model relates to the field of medical device technology, and in particular to a heel prick blood sample clamping device, comprising a base plate, a vertical plate mounted on the base plate, and a plurality of clamping mechanisms mounted sequentially from top to bottom on the vertical plate for clamping heel prick blood samples; a plurality of locking mechanisms, corresponding one-to-one with the clamping mechanisms, are mounted sequentially from top to bottom on the vertical plate for locking the clamping mechanisms holding the heel prick blood samples; each locking mechanism has an unlocking mechanism on one side, which is mounted on the vertical plate and interconnected; the unlocking mechanisms are used to unlock the clamping mechanisms locked by the locking mechanisms; a plurality of fixing mechanisms are mounted on the base plate for fixing the heel prick blood sample clamping device. This utility model can effectively clamp heel prick blood samples, preventing them from falling off during movement and ensuring the authenticity of subsequent test results.

In order to solve the technical problems that the existing droplet observation device cannot monitor the multi-nozzle printing process and the overall observation precision is low, the present application provides a multi-nozzle single droplet real-time observation device, an observation method and a 3D printing system.The observation device of the present application can make the observation camera capture the current working printing nozzle and automatically focus on it in real time through the cooperation of the first steering engine and the displacement platform, and complete the real-time monitoring of the printing state of the printing nozzle; through the high-frequency multiple flashing of the LED flash, the observation camera can capture the images of the same droplet at multiple times in one shot, at the same time, the high-frequency deflection of the piezoelectric deflection mirror and the telecentric lens are matched with each other, the overlapping images of the single droplet at adjacent moments are separated, so that a single photo can have enough droplet images to show the forming process, the overall observation precision is improved, the quality monitoring and fault diagnosis problems during additive manufacturing are improved, and the waste rate of electronic 3D printing is reduced.