29results about How to "Realize synchronous detection" patented technology

The invention relates to the technical field of optical detection instruments, in particular to a wafer edge multi-surface synchronous optical detection lens system and method, and the system comprises an optical lens which is internally provided with a second reflector; an image acquisition unit; the second lens cone is connected to the optical lens along the emergent light path direction of the second reflector, a main imaging lens group is arranged in the second lens cone and is used for converging and imaging the light received from the second reflector, and the light is acquired by the image acquisition unit; the two reflecting mirror groups are symmetrically arranged on the optical lens and are configured to guide light rays from the upper surface and the lower surface of the wafer to the second reflecting mirror respectively; and the central view field imaging unit is arranged on the optical lens. The wafer edge multi-surface synchronous optical detection lens system solves the problems that in the prior art, due to the fact that a plurality of lenses are used for detecting the upper surface, the lower surface and the side face of a wafer, cost is high, and an optical path is difficult to calibrate.

The utility model relates to test appearance technical field especially is related to a kind of electric mark resistance mobile integrated machine. Including pedestal, pedestal is fixedly arranged with support frame, multiple electrode assemblies that can move horizontally are equipped on the support frame, the upper surface of the pedestal is equipped with placing table, one end of the pedestal is fixedly installed with stand, the stand is installed with adjusting plate, multiple dripping devices are equipped on the adjusting plate, the electrode assembly includes adjusting mechanism slidingly arranged on connecting frame, electrode probe is arranged at the end of adjusting mechanism, the horizontal position of electrode assembly is adjusted, and the electric mark resistance test is carried out to multiple samples to be measured on placing table. The electric mark resistance mobile integrated machine of the utility model can efficiently utilize space, and support multiple samples synchronous detection, realize the flexible adjustment of electrode and dripping position.

This invention discloses a concrete testing device for road and bridge construction, relating to the field of concrete testing. It includes a sample holder and a movable pressure plate. Vertical plates are fixed to both sides of the upper surface of the sample holder, and top plates are fixed to the top of each of the two vertical plates. A limiting groove for placing concrete blocks is formed at the center of the upper surface of the sample holder. The pressure plate is located above the limiting groove, and a groove is formed at the center of the upper surface of the pressure plate, in which a liquid storage cylinder is fixed. Liquid permeation holes are formed at the groove and at the bottom of the liquid storage cylinder on the lower surface of the pressure plate. A pressure application component and two transmission components are provided above the liquid storage cylinder. The two transmission components are symmetrically arranged on the pressure application component. Each of the two rope-winding rollers has an inner sprocket tooth on one corresponding spoke. This invention achieves simultaneous testing of concrete compressive strength and impermeability, shortens the testing cycle, and restores the stress environment of road and bridge concrete during actual service, improving the comprehensiveness and reliability of the test data.

The present application relates to the technical field of air volume detection, and particularly relates to a multi-hole uniform-speed air volume detection device, which comprises a shell, one side of the shell is fixedly connected with an air inlet flange, the other side of the shell is fixedly connected with an air outlet flange, the inner wall of the shell is fixedly installed with a partition plate on the side close to the air inlet flange, equidistant through holes are formed in the partition plate in a ring shape, an air volume centering mechanism is arranged on the inner side of the partition plate, and an air volume uniformity detection mechanism is arranged on the inner side of the air volume centering mechanism. The air volume centering mechanism and the air volume uniformity detection mechanism are used to effectively detect the air volume uniformity of the air outlet, the elliptical movable plate is used to extrude the annular movable sleeve under different air volume, so as to drive the conductive contact piece in the arc-shaped sliding block to contact and electrify the conductive block, the accurate judgment of the air volume uniformity is realized according to whether the conductive block is electrified under the same gear, and the accurate detection of the air volume uniformity is realized.

This utility model discloses a gauge for detecting the straightness and span of a long U-tube, belonging to the technical field of heat exchanger copper tube processing and mold manufacturing. It includes a base, a span detection component and a straightness detection component fixed on the base. The span detection component includes an outer shell fixed on the base, an inner shell that cooperates with the outer shell, and a U-shaped detection block fixed on the inner shell. The straightness detection component includes a lower support and an upper support, and a floating inner sleeve component located between the upper support and the lower support. The integrated span detection component and straightness detection component can simultaneously detect the center distance of the copper tube and the straightness, achieving synchronous detection of the two parameters. Moreover, by replacing the U-shaped detection block and the floating inner sleeve component with different sizes and specifications, it can be applied to the rapid detection of copper tubes of different diameters and the accuracy verification of the mold. That is, by using a replaceable inner diameter component to adapt to copper tubes of different diameters, the detection efficiency and accuracy are improved.

This invention discloses a method and system for simultaneous analysis of multiple lipid indicators in fingertip capillary blood, relating to the field of chemical analysis. The method includes S1: micro-sample pretreatment of fingertip blood; S1.5: sample matrix interference pretreatment; S2: multi-channel parallel specific reaction; S3: multi-band spectral synchronous detection; S4: machine learning intelligent calibration and analysis; and S5: result output and quality control verification. This method and system achieves simultaneous detection of five core lipid indicators in fingertip blood samples in a short time, with low deviation and cross-interference rates between the detection results and venous blood biochemical detection, and high matrix interference inhibition rate. It also possesses advantages of portability, speed, and accuracy, solving the problems of low detection efficiency, limited applicability, and matrix interference affecting accuracy in existing technologies.

This invention relates to a method for synchronous detection of road surface anomalies based on hyperspectral imaging, belonging to the field of hyperspectral image processing and remote sensing detection technology. It solves the problems of low data processing efficiency, limited detection functions, and insufficient real-time performance in existing technologies. The method includes: acquiring hyperspectral images of various road surfaces, extracting key features, generating hyperspectral fingerprints, labeling road surface categories, and constructing a hyperspectral fingerprint database; training a fingerprint comparison model based on the hyperspectral fingerprint database to obtain a pre-trained fingerprint comparison model; acquiring road hyperspectral images in real time, extracting key features, generating a hyperspectral fingerprint to be tested, and obtaining the road surface category of the hyperspectral fingerprint to be tested based on the hyperspectral fingerprint database, the pre-trained fingerprint comparison model, and a hierarchical comparison strategy. This enables simultaneous detection of multiple anomalies such as icing, water accumulation, and road surface deterioration on an UAV-borne terminal.

The invention provides a method for detecting three-dimensional mechanical characteristics under sarcomedo movement. A culture dish in equipment is used for bearing sarcomedo; the probe measuring end of the microtube probe is used for forming negative pressure contact with a muscle joint, and the transverse elastic coefficient of the probe measuring end is the same as the longitudinal elastic coefficient; the tail end of the probe cantilever end of the microtube probe is provided with a microsphere, and the movement of the microsphere follows the movement of a muscle joint; an image acquisition unit in the detection module is positioned on one side opposite to the opening of the culture dish and is used for acquiring the movement change of the microspheres; the light source is located on the side facing the opening, the optical axis of the light source coincides with the optical axis of the image acquisition unit, the height from the light source to the culture dish is larger than that from the microspheres to the culture dish, and the light source is used for irradiating the microspheres so that diffraction rings of the microspheres can be formed on the light sensing plane of the image acquisition unit. According to the invention, synchronous detection of the three-dimensional mechanical characteristics of the sarcomedo is realized by monitoring the change of the diffraction ring.

The invention relates to a visual closed-loop detection method, system and device for an automatic filling and sealing production line in the technical field of flexible filling and sealing automatic production lines, a hyperspectral camera and a 3D visual camera are adopted for data acquisition of a calibration information base, respective mathematical models are established, a coupling model is constructed, and finally whether the product is a qualified product or not is judged. Through multi-dimensional data fusion of the hyperspectral camera and the 3D camera, synchronous detection of spectral features and three-dimensional structure parameters of the potting layer is realized, single-dimensional judgment of traditional manual visual inspection is upgraded to multi-modal composite analysis, the detection precision and reliability are greatly improved, and particularly, whether a potting adhesive of a potting product is cured or not can be accurately judged.

The application discloses a kind of for sound vibration integrated monitoring optical fiber sensor, monitoring device and method, wherein optical fiber sensor includes: sensing skeleton, for detecting ultrasonic signal and vibration signal;The side of sensing skeleton is cylindrical surface, and the end face of both sides is formed into conical recess inward, and conical recess focuses ultrasonic signal by reflection on the side of sensing skeleton;Diaphragm is set to the side end of sensing skeleton, for converting vibration signal into sound wave;First sensing optical fiber is wound on the side of sensing skeleton, for converting ultrasonic signal into first optical signal;Second sensing optical fiber is set on diaphragm, for converting sound wave into second optical signal;Wherein, first optical signal and second optical signal are output to outside, and after signal processing, the ultrasonic signal and vibration signal detected are obtained.The application realizes the simultaneous monitoring of sound wave and vibration, and is suitable for various damage monitoring.

This application discloses a high-precision floating reset measuring device end, relating to the field of measuring device technology. It includes an elastic component, a tool holder, a measuring head, and a measuring rod. The tool holder has an inner cavity for mounting the measuring rod, with a horizontal sliding gap between the measuring rod and the cavity. The measuring head integrates a conical depth measuring component and an inner hole measuring component. A ball-and-socket positioning structure is provided between the bottom of the first elastic structure and the top of the second elastic structure. The ball-and-socket positioning structure includes a ball-and-socket groove and a ball-head pin for coaxial reset of the measuring head. The technical advantage of this application is that by setting the measuring head with the measuring rod to a horizontally floating state relative to the tool holder, even when the cylindrical workpiece and the tool holder are not coaxially aligned, the measuring head can complete data acquisition while avoiding hard collisions through horizontal displacement during the inspection of cylindrical workpieces. The ball-and-socket positioning structure, with the help of the elastic structure, completes the coaxial reset of the measuring head after floating detection when the measurement ends.

The utility model relates to a technical field of lens, disclose a kind of zoom reliability detection auxiliary device, including at least one group of support seat, when support seat sets multiple groups, multiple groups of support seat laminated and interval arrangement, each group of support seat includes multiple installation sites, each installation site is provided with rotation limiting assembly, rotation limiting assembly includes rotating component and limiting component, rotating component is set in the installation site of support seat, the rotating shaft of rotating component is connected with limiting component, limiting component can be rotated relative to support seat by rotating component;Limiting component is provided with accommodating groove, for limiting lens, limiting component is detachably connected with support seat in multiple positions of its rotation track, to lock or unlock limiting component.The zoom reliability detection auxiliary device can realize the synchronous detection of multiple groups of lenses, reduces the test number, improves the detection efficiency;And through rotating limiting assembly, the angle of lens can be adjusted to meet the needs of different angle test.

This invention provides a device for detecting the shaft holes of curved rectangular tubes, including a frame platform and multiple sets of positioning plates mounted on the frame platform. Each set of positioning plates is integrally welded together on both sides by trapezoidal ribs and is arranged vertically and oppositely. The positioning plates are provided with test shaft holes. The size of the positioning plates and the number and position of the test shaft holes vary between different sets, specifically divided into three groups. The first group of positioning plates has five test shaft holes arranged in a wavy line; the second group of positioning plates has two inclined test shaft holes; and the third group of positioning plates has one test shaft hole. Space is left between each set of positioning plates for placing the curved rectangular tube. A test rod is inserted through the test shaft hole on one side of the positioning plate, passes through the shaft hole of the curved rectangular tube, and reaches the test shaft hole on the other side of the positioning plate for testing. This detection device achieves multi-point testing of the shaft holes of curved rectangular tubes with a single clamping through the grouped positioning plate design and the test rod insertion testing method.

This invention discloses a method and system for synchronous detection of multiple fields using dual-camera multi-band information acquisition, relating to the field of online detection technology. It achieves synchronous detection of multiple physical fields in a single acquisition process. The method includes a calibration phase and a measurement phase; the system includes: a first and second camera receiving optimization module, a camera parameter calculation module, and a multi-physics field reconstruction module. In the calibration phase, the dual-camera receiving optimization module is positioned on both sides of a calibration plate and aligned with it, acquiring information from the detection bands of the calibration plate to form first and second sets of multi-band calibration images. The camera parameter calculation module calculates the dual-camera parameters in the experiment based on the first and second sets of multi-band image data. In the measurement phase, the dual-camera receiving optimization module is positioned on both sides of the test piece and aligned with it, acquiring information from the detection bands of the test piece to form first and second sets of multi-band measured images. The multi-physics field reconstruction module calculates each physical field based on the dual-camera parameters and the first and second sets of multi-band measured images.

The application discloses a water conservancy project pipeline quality detection method and system based on an intelligent sensor, relates to the technical field of pipeline detection, realizes synchronous detection of structural defects and chemical defects by integrating an ultra-wideband (UWB) radar sensor and a terahertz spectrum sensor, collects common medium types in a pipeline, prepares medium samples with different thicknesses, obtains signal attenuation amounts, calculates attenuation coefficients, establishes the correlation between the attenuation coefficients and the medium types and the medium thicknesses, effectively solves the signal distortion problem caused by medium shielding, in addition, the spatial coordinates of the structural defects are positioned by using the corrected UWB radar signals, the chemical defect properties of the corresponding positions are analyzed based on the corrected terahertz spectrum signals, the accurate identification of the pipeline structure-chemical double-layer defects is realized, the missed judgment of hidden defects is avoided, and the complex pipeline internal environment is effectively coped with.

The invention discloses a cabin cloth product disinfection detection method and system adaptive to multiple cabin standards, belongs to the technical field of cabin cleaning, and is used for solving the technical problems that an existing cabin cloth product disinfection detection method is long in detection period, single in detection means, poor in universality and incapable of meeting health service requirements. The method comprises the following steps: establishing a multi-cabin standard detection model, and initializing parameters; collecting a surface electrical response signal of the target cloth product through the dual-sensor detection terminal, and reading a cabin type to which the target cloth product belongs; performing filtering denoising and feature extraction on the surface electrical response signal to obtain a standardized feature value; inputting the cabin type and the standardized characteristic value into a multi-cabin standard detection model to obtain an actual index value and a disinfection effect comprehensive judgment value; if the comprehensive judgment value of the disinfection effect does not reach the standard, the disinfection parameters of the disinfection equipment are optimized according to the cabin type, and secondary disinfection and re-detection are conducted on the target cloth product.

The invention relates to the field of dispensing, and particularly discloses a high-precision continuous laser displacement height measurement detection method which comprises the following steps: S1, constructing a detection system; s2, in the continuous motion process of the motion platform, a high-speed data acquisition card synchronously acquires pulse signals of an X-axis encoder and a Y-axis encoder and analog quantity signals of a laser displacement sensor at a preset sampling frequency to obtain a synchronous position-height original data stream; s3, the upper computer PC unit screens out a height value corresponding to the target position from the original data stream according to a preset sampling strategy; the sampling strategy comprises a point mode, a line mode or a continuous acquisition mode; and S4, performing position compensation on the screened height value according to the response hysteresis characteristic of the laser displacement sensor to obtain a compensated actual height value.

The utility model relates to transformer detection equipment technical field, concretely refers to a kind of transformer oil pillow capsule tightness detection device, including detection box, second trachea, dismounting mechanism and sealing mechanism. Multiple detection cavities are equipped in detection box, each detection cavity top is equipped with first trachea and first air pressure detection sensor, second trachea is installed in the top of detection box and bottom end extends into detection cavity, and its side wall is equipped with second air pressure detection sensor. Dismounting mechanism realizes the quick connection of capsule and second trachea, sealing mechanism is composed of third air inlet pipe, connecting seat and air bag, and the tightness of connection can be enhanced. The utility model can detect multiple capsules simultaneously, judge tightness by monitoring air pressure change through double air pressure sensor, have the characteristics of quick dismounting, reliable sealing, accurate detection, effectively improve detection efficiency and accuracy, suitable for batch detection scene of transformer oil pillow capsule.

The invention discloses a visual system-based industrial robot for product appearance detection, which comprises a sorting structure, a driving structure is fixedly arranged on the sorting structure, a pair of swinging structures is symmetrically arranged on the driving structure, picking structures are respectively arranged on the pair of swinging structures, and the picking structures can be oppositely attached and butted. The invention relates to the technical field of detection equipment, and has the advantages of simple structural design, high transmission efficiency, convenient maintenance, strong action linkage synchronism, no redundancy in process connection, efficient double-sided detection, realization of synchronous detection, controllable precision, assembly line continuous operation, adaptation to mass production requirements, detection and sorting integration, and high efficiency. The sorting is accurate, the main process is not interfered, the action adaptability is high, the application scene is wider, the operation automation degree is high, and manual intervention is reduced.

This utility model relates to the field of safety monitoring and discloses a gas outburst parameter instrument, including a main unit, five coal sample control knobs distributed on the surface of the main unit to independently control the detection process of corresponding coal sample tanks, a central display screen embedded in the main unit to synchronously display gas data from multiple coal sample tanks, and a quick-connect airtight interface group connected to each coal sample control knob for airtight connection of the coal sample tanks. The rotation shaft of each coal sample control knob is provided with a limiting boss that cooperates with an arc-shaped limiting groove on the inner wall of the main unit to limit the knob's rotation overtravel. The central display screen is fixed to the main unit by a shock-resistant mounting structure. In this utility model, the simultaneous detection of five coal samples is achieved through five independent coal sample control knobs and quick-connect airtight interface groups, shortening the detection time compared to the traditional single-tank detection mode. The central display screen compares data from multiple tanks in real time, improving the efficiency of gas outburst parameter analysis.

The utility model discloses a coal mine ventilation quantity detection device relates to mine ventilation detection technical field, including connecting pipeline, the outer side wall fixed connection of connecting pipeline has the air pipe, and the outer side wall of connecting pipeline is equipped with the limit support for the support of connecting pipeline, ventilation subassembly, ventilation subassembly includes drive motor, and drive motor installs in the inner side wall of connecting pipeline, and the output fixed connection of drive motor has the connecting fan, detection mechanism, detection mechanism sets up in the inner side wall of air pipe, and detection mechanism includes sealing gasket, and the top of air pipe is provided with the placement groove for placing sealing gasket, the utility model discloses through setting up independent detection mechanism and ventilation subassembly cooperation, utilizes drive motor to drive the connecting fan initiative to draw the wind, and sets up detection module in the air pipe, can realize the initiative, accurate detection to mine ventilation quantity, effectively avoided the problem that traditional passive measurement mode is vulnerable to interference, data is not accurate.

The utility model discloses a multi-item joint immunochromatography detection kit, which relates to the technical field of instant detection and comprises a test strip, a clamping groove bottom plate and an upper cover, a sample pad sample adding area is arranged in the middle of the clamping groove bottom plate, a plurality of test strip fixing grooves which are independently arranged are distributed on the periphery of the sample pad sample adding area in the circumferential direction, and the upper cover is arranged in the test strip fixing grooves. The test strip is arranged in the test strip fixing groove; the upper cover can be buckled on the top of the clamping groove bottom plate, a detection result observation window and a sample application hole are formed in the upper cover, the detection result observation window is opposite to the NC film on the test strip, and the sample application hole is opposite to the sample adding area of the sample pad; the multi-pathogen synchronous detection of a single sample can be realized, the flowing path of the sample can be controlled by the independent groove body structure, the isolation of each detection area is realized, and the detection accuracy is ensured.

The application discloses a Fourier photo-thermal gas detection device and method, and belongs to the technical field of gas detection. In view of the problems of narrow spectral response range, low power tolerance and the need for refrigeration of a light detector in an existing Fourier transform spectrum, a Fourier photo-thermal gas detection device is designed, a thermal light source is used as an excitation light source of absorption effect, the thermal light source is subjected to unified intensity modulation of wide spectrum light through an intensity modulation assembly and phase modulation through an interferometer assembly; the broadband light emitted after being subjected to double modulation is partially absorbed after acting on gas molecules, a quartz tuning fork light detector assembly effectively collects transmitted light, extracts resonance components in the transmitted light and converts the resonance components into electrical signals; the generated electrical signals are sequentially subjected to processing through a signal amplification assembly, a phase-sensitive demodulation assembly and a Fourier transform assembly, and composition discrimination and concentration inversion of a target gas are realized through the processed signals.

The application discloses a kind of graft injury multi-index combined noninvasive detection kit, by optimized multiplex real-time fluorescent quantitative polymerase chain reaction technology, realize the quantitative detection of six categories with closely related DNA virus after transplantation Complications, the present application relates to the field of in vitro detection technology of clinical sample.The graft injury multi-index combined noninvasive detection kit, the present application first realizes the synchronous detection of BK virus, JC virus, B19 virus, CMV virus, adenovirus and six kinds of closely related viruses of circovirus (TTV) with graft injury.Test data see example 7, from the detection results of 100 clinical kidney transplant patients, it can be seen that the kit of the present application can simultaneously accurately detect the load level of six viruses, to provide comprehensive infection risk assessment for clinicians.Compared with the prior art single virus detection method, the present application avoids the cumbersome process of multiple sampling and detection, significantly improves the clinical work efficiency.

This invention discloses a triple qPCR system for comprehensively evaluating the toxin-producing capacity of Bacillus cereus and its application. The triple qPCR system simultaneously detects key genes of Bacillus cereus vomitoxin. cesB Key genes for non-hemolytic enterotoxin nheB、 Key genes for hemolytic enterotoxin hblD The nucleic acid sequences of the primers and probes corresponding to each virulence gene are shown in SEQ ID NO. 1-9. This invention designs specific primer and probe sets for key virulence genes of *Bacillus cereus* and establishes a triple qPCR system, solving the problems of long detection time, low detection efficiency, and low detection accuracy in existing technologies. This enables rapid and accurate detection of key virulence genes in *Bacillus cereus*, thereby accurately assessing the toxin-producing capacity of *Bacillus cereus*. It can be applied to the screening of key virulence genes of *Bacillus cereus* in highly contaminated dairy products, thus effectively assessing the toxin-producing capacity of *Bacillus cereus* and providing technical support and application basis for the prevention and control of foodborne diseases.

The invention discloses a method for directly testing a leakage protector in a use circuit and a test instrument thereof, the method provided by the invention is simple to operate and easy to implement, and a first test end and a second test end (such as a test pen) of the test instrument are directly connected with a live wire and a ground wire of a tested circuit; then, a load element is connected to a tested circuit through a simulation test module, simulation leakage current is generated to test a leakage protector and a line, and if the leakage protector trips, it is judged that the leakage protector and the line are connected normally; otherwise, determining that a fault exists. The problem that only the leakage protector can be tested and line connection cannot be verified in the prior art is effectively solved, synchronous detection of the leakage protector and line connection is achieved, and potential safety hazards are eliminated. The test instrument provided by the invention can be integrated in a universal meter or a clamp meter, realizes multifunctional integrated design, does not need to additionally carry a special test instrument, is small in size and portable, adapts to a field rapid test scene, and brings convenience to use.

This utility model relates to the technical field of measuring devices for planetary carriers of speed reducers, and discloses a measuring device for planetary carriers of speed reducers, including a mounting plate. Two symmetrical vertical plates are slidably disposed on the top of the mounting plate, and a fixing plate is fixedly connected to the top of each of the two vertical plates. A vertical plate is fixedly connected to the top of the mounting plate. By incorporating an adjustable fixing plate, a servo motor-driven adjusting disc, and multiple dial indicator probes, simultaneous detection of the outer diameter, inner bore, and end face of the planetary carrier can be achieved. This device can automatically adjust the dial indicator spacing via motor drive to adapt to the measurement of planetary carriers of different specifications, avoiding errors caused by repeated manual adjustments. Simultaneously, the use of a threaded shaft and a tight-fitting structure enables rapid clamping and stable positioning of the planetary carrier, improving the stability of the measurement process.

The utility model discloses a remote transmission communication device based on automatic link establishment, which comprises a remote transmission transceiving module, a surge protection network, a link monitoring module and a control module, and is characterized in that the link monitoring module and the remote transmission transceiving module are electrically connected with the control module; the surge protection network and the link monitoring module are electrically connected with the remote transmitting and receiving module, the surge protection network is electrically connected with a covered wire, and the remote transmitting and receiving module is electrically connected with an upper computer. According to the utility model, after the covered wire is connected with the remote transmitting and receiving module at the far end, the control module detects the link synchronization state, and performs master-slave mode switching according to the link state to realize automatic link establishment, thereby realizing remote transmission of data at two ends.

The invention discloses a dark field microscope device for detecting moisture absorption growth of aerosol nanoparticles, which belongs to the technical field of detection of nano aerosol particles in atmospheric environment and comprises a humidity control system and an optical detection system. The optical detection system comprises a light source, an objective lens, a convex lens group, a reflector group, a momentum space filtering module and an image sensor; the light source irradiates on the glass substrate, reflected light of the glass substrate and scattered light of an aerosol nanoparticle sample to be detected are collected by the objective lens and then sequentially pass through the convex lens group for conversion, the reflector group for adjustment and the momentum space filtering module for momentum space filtering to form dark field imaging, and the image sensor detects corresponding scattering intensity. The moisture absorption growth of the aerosol nanoparticle sample to be measured can be measured in real time. According to the invention, the light scattering intensity change of a single aerosol particle in a specific humidity environment can be detected, and accurate analysis of a single particle level is realized.