64results about How to "Quick judgment" patented technology

The utility model relates to the technical field of grain conveying, disclose a raw material conveying device for grain processing, including frame and conveyer belt, both sides of frame are longitudinally rotatable installation has the guide roller, the outer ring of both sides guide roller drive sleeve is placed, the frame surface of one side guide roller front end is installed with the step motor of guide roller drive connection, the inside of the frame below the upper layer conveyer belt is longitudinally provided with the supporting roller, the inside surface of the frame of supporting roller both ends is all set up with the sliding slot. The utility model technical scheme is provided with supporting roller in the bottom of conveyer belt and plays the supporting effect to conveyer belt, the pressure that conveyer belt acts to supporting roller can be detected by pressure sensor, the pressure size is also different when conveying the grain amount is different, and then judge the amount of conveying grain, make the conveyer belt speed increase when the conveying capacity is big, conversely make the conveyer belt speed reduce or stall, and the conveying speed requirement when the grain conveying capacity is big and the power saving demand when the grain conveying capacity is small are taken into account.

This utility model discloses a portable rapid detector for pesticide residues in food, comprising: a sample container, a tube head integrally installed on the top of the sample container, and a top cover installed above the tube head. A threaded sleeve is fixedly connected to the bottom surface of the top cover, and a docking hole is hollowed out in the middle of the top cover. A cap is installed on the top of the top cover by connecting bolts, and a reagent tube is installed inside the docking hole. The reagent tube is continuously fed into the sample container through the threaded connection structure between the top cover and the sample container. A rubber stopper is provided at the bottom of the reagent tube. Inserting the tube will puncture the rubber stopper at the bottom of the reagent tube. A through hole is provided on the surface of the inserting tube. After the inserting tube is inserted into the reagent tube, the reagent will flow into the sample container through the through hole on the surface of the inserting tube. After shaking the sample container, the reagent comes into contact with the agricultural product sample. Pesticide residues will cause the reagent to produce a color reaction. The color reaction is observed through the observation window on the surface of the sample container. The presence of pesticide residues can be quickly determined after the color reaction occurs.

The utility model discloses a kind of power supply vehicle with state monitoring and leakage visual positioning function, belong to power supply vehicle technical field, including hydrogen storage cabin and state detection system;State detection system includes control unit, alarm, power, display and multiple hydrogen sensors;The application is by evenly arranging multiple hydrogen sensors on the inner wall of hydrogen storage cabin, constructs the three-dimensional space sensing detection network surrounding hydrogen storage system, and by control unit based on sensor space coordinate generates corresponding three-dimensional cabin body monitoring model, realizes the global real-time monitoring of hydrogen concentration in cabin;When detecting abnormal leakage signal, control unit can simultaneously trigger sound-light alarm and carry out visual prompt on corresponding position on display, so that operator can quickly judge leakage area.

The application discloses a kind of quantum bit frequency parameter test method and device, quantum computer, the test method first obtains the physical model of the frequency parameter of to-be-measured quantum bit, the physical model is used for the theoretical expected value of the frequency parameter. Then first experiment is carried out to the to-be-measured quantum bit, and the first frequency spectrum of the to-be-measured quantum bit is obtained, wherein the first frequency spectrum is used to obtain the frequency parameter of the to-be-measured quantum bit. Finally, whether the frequency parameter of the to-be-measured quantum bit meets the requirements is judged based on the physical model and the first frequency spectrum. The test method of quantum bit frequency parameter based on the application tests quantum bit parameter, the whole test process does not need manual intervention, can realize quickly judging whether quantum bit parameter meets the requirements, improves the execution efficiency of quantum chip test process to a certain extent.

The invention provides a rapid screening method and system for retired power batteries, and relates to the technical field of battery detection, and the method comprises the steps: firstly obtaining the circulation historical data of a to-be-detected power battery, and generating a battery aging index; meanwhile, surface temperature data of the battery pack are collected, and a heat distribution diagram is generated through multi-scale fusion processing; then identifying an abnormal heating area in the heat distribution diagram by adopting a convolutional neural network algorithm and generating battery cell position information; then associating a battery aging index with battery cell position information, and carrying out collaborative analysis through a logistic regression algorithm; and finally, on the basis of the analysis result, combining a pre-trained classification decision model to screen out a bad battery cell, and determining the power battery containing the bad battery cell as a retired power battery. According to the invention, the identification efficiency and accuracy of the thermal defect battery cell in the retired power battery are improved.

The invention discloses a dike animal harm identification method, device and equipment and a storage medium. Comprising the following steps: acquiring satellite signals and differential data, and determining a target positioning mode based on the satellite signals and the differential data; the method comprises the following steps: in a target positioning mode, acquiring multispectral three-waveband data, sound wave data and radar data of a target area to form an original data set, and generating a hazard feature vector according to the original data set; and performing classification calculation based on the hazard feature vector, and outputting a hazard identification result of the target area. By determining the target positioning mode, different signal conditions can be adapted, a positioning result with corresponding precision is provided, and accurate position information is provided for hazard identification. Through multi-spectral, sound wave and radar multi-modal data acquisition, earth surface and underground hazard related characteristics are comprehensively captured, and the limitation of a single detection means is avoided. The method can quickly determine the hazard type and grade, outputs a clear hazard identification result, reduces manual determination errors, and provides a quantitative basis for subsequent hazard treatment.

This utility model relates to the technical field of U-bolt processing equipment, and discloses a U-bolt marking fixture, including a processing table and a sliding block. The processing table includes a laser marking machine and a fixed frame. The fixed frame is located on one side of the top of the processing table, and the laser marking machine is located on one side of the fixed frame. The sliding block includes a mounting bracket, an adjusting screw, a mounting groove, and a touch sensor. The adjusting screw is located at the middle position of the top of the sliding block. This utility model allows the sliding block to slide between the sliding block and the slide rail through the sliding groove, and the position of the touch sensor can be adjusted forward and backward. The threaded hole allows for threaded adjustment between the adjusting screw and the sliding block, and in cooperation with the positioning rod, the position of the touch sensor can be adjusted left and right, adjusting the touch sensor to be on the same axis as one end of the U-bolt. This facilitates the positioning and detection of different types of U-bolts, and facilitates quick identification of U-bolts for laser marking.

The application provides a cabin adjustment method, device, equipment, medium and program. It relates to the technical field of cabin adjustment. The method comprises the following steps: acquiring video data and pressure data of passengers in a vehicle within a preset time length; performing feature extraction on each frame of image in the video data to obtain a target seat of a child among the passengers, a head posture, a facial expression and a continuous closed-eye time length; obtaining a pressure sum, a pressure center and a pressure change of the child based on the target seat and the pressure data; performing weighted processing on the head posture, the facial expression and the continuous closed-eye time length, the pressure sum, the pressure center and the pressure change according to a fusion weight to obtain fusion data of the child; taking the fusion data as an input of a state estimation model to obtain a child state corresponding to the child; and adjusting the cabin of the vehicle to a state conforming to the child state according to the child state and a preset cabin adjustment rule. The application achieves the effect of improving the safety and comfort of the child during the ride.

The utility model discloses a kind of detection tool, including detection table, multiple hole position detection mechanism and port detection mechanism, multiple hole position detection mechanism is all with the detection table detachable connection, hole position detection mechanism has supporting end face and protruding part;Port detection mechanism is detachably installed on detection table, and port detection mechanism has two alignment parts of interval arrangement, when multiple protruding parts are one-to-one corresponding and set in each connecting hole, and each supporting end face is all with water heater abutment, two alignment parts can be respectively corresponding with liquid inlet end and liquid outlet end. Solve the problem that whether multiple connecting holes on the water heater of the prior art are inconvenient to judge hole position, and whether the position of liquid inlet end and liquid outlet end meets the requirement of pre-setting.

This invention discloses a three-phase adaptive reclosing method for photovoltaic grid-connected tie lines, comprising: acquiring a tie line with three phases disconnected by a circuit breaker; connecting the tie line to a fast grounding switch and continuously for a preset connection time; briefly applying photovoltaic power to the tie line and then injecting a three-phase fundamental frequency AC signal, continuously for a preset connection time; acquiring the voltage and current values ​​generated on the disconnected line, and determining whether the voltage and current values ​​are less than preset voltage and current setting values, respectively. This method can quickly and reliably determine various faults occurring on the tie line, unaffected by the location of the fault or the magnitude of the transition resistance. Furthermore, when it is determined that there is no fault on the tie line, the tie line can quickly and successfully reclose; when it is determined that there is a fault on the tie line, the tie line can be reliably blocked, successfully preventing the tie line from reclosing to the fault.

The invention discloses a smoking behavior recognition method based on multi-source perception and particle size fingerprint analysis, which comprises the following steps: arranging a particulate matter sensor module, continuously collecting a multi-channel particle size spectrum in a target space in a non-optical mode, and generating a high-resolution particle size distribution sequence according to time; an infrared sensor module is arranged to monitor entering and leaving states of personnel in real time; the short-term change of the concentration distribution of the particulate matters with different particle sizes is calculated through a parameterization formula, and the accurate judgment of the smoking event is realized in combination with the personnel state and the PM2.5 speed increase in the same period. According to the invention, the infrared sensing data stream and the particulate matter concentration data stream are deeply analyzed, and the on-site state of personnel and the specific fluctuation mode of cigarette smoke are accurately identified; through cross cooperation verification of multi-dimensional features, interference of water vapor, mosquito-repellent incense and non-artificial smoke sources can be effectively eliminated, and unification of high detection precision and low false alarm rate is achieved. According to the method, imaging equipment is completely abandoned, and the risk of privacy disclosure is avoided from the source.

The utility model provides a sterilization glass slide convenient for gram staining and identification, which comprises a glass slide main body, a sample information marking area, a standard bacterium area and a sample bacterium area are sequentially arranged on the front surface of the glass slide main body, and the sterilization glass slide is characterized in that the sample information marking area, the standard bacterium area and the sample bacterium area are sequentially arranged along the length direction of the glass slide main body; the front surface of the glass slide main body is partitioned through partition straight lines coated with the front surface of the glass slide main body, the partition straight lines are arranged in the width direction of the glass slide main body, and the multiple partition straight lines are sequentially distributed at intervals in the length direction of the glass slide main body; separation round lines are respectively arranged in the standard bacterium area and the sample bacterium area; and the thicknesses d of the separation straight lines and the separation round lines are 0.5-2 mm, and the widths D of the separation straight lines and the separation round lines are 0.5-2 mm. According to the utility model, the cross contamination problem in the staining process can be effectively improved, false positive and false negative phenomena are avoided, the accuracy of a staining result is improved, and the operation convenience, the result accuracy and the test efficiency of gram staining and identification of sample bacteria are improved.

The invention belongs to the technical field of building interior wall detection, and discloses a building interior wall verticality detection device, which comprises a movable rack, a detection mechanism, a detection mechanism and a control mechanism, and is characterized in that the movable rack is provided with a guide mechanism for moving in a manner of being attached to a wall surface; and the gravity sensing assembly is pivoted in the movable rack and comprises a pendulum bob which generates relative swing along with the inclination of the movable rack, and a triggering magnetic piece is arranged at the lower end of the pendulum bob. The inclination state of the movable rack is sensed in real time through cooperation with the gravity sensing assembly, the detection process can be continuously carried out when the movable rack moves along a wall, the operation burden caused by point-by-point staying alignment and visual inspection reading is reduced, the inspection efficiency is improved, the pendulum bob and the triggering magnetic part are adopted as inclination triggering sources, and the detection accuracy is improved. The triggering displacement is realized by utilizing the magnetic force action of the stress magnetic piece and the impact piece, so that the triggering process is mainly based on magnetic force coupling, the frictional wear and clamping stagnation probability of a pure mechanical shifting structure is reduced, and the long-term stability of a triggering threshold value is favorably kept.

The invention provides a data volume self-adaptive front-end large-screen data scrolling display method and system, and belongs to the technical field of front-end visualization and Web performance optimizing.The system monitors the number N of data items in real time and divides the data items into a small data volume level, a middle data volume level and a large data volume level according to threshold values N1 and N2, and the small data volume is laid in a tiled mode and scrolling is forbidden; local rolling is started for medium data volume, and m preloading buffers are set; virtual scrolling is started for a large amount of data, only a visible area is rendered, and n buffers are set. And the rolling speed is calculated according to v = k / N and is subjected to amplitude limiting. A scrolling progress bar is generated under a large amount of data, and a page prompt is provided when N exceeds a threshold. Destroying corresponding components and cleaning and monitoring, a timer and a cache DOM to release resources during policy degradation; and meanwhile, the rendering opportunity is optimized by using the request IdleCallback and the request Animation Frame, so that the fluency and the stability of the large screen in a data volume fluctuation scene are improved.

The application relates to the technical field of data transmission, in particular to a socket control system based on an intelligent home Internet of Things, which comprises a central control unit used for centrally receiving instructions, an identification unit used for identifying characteristic information of the instructions, a conversion unit used for converting the identified instructions into corresponding electric signals, a transmission unit used for transmitting the electric signals, a smart socket used for receiving the electric signals and performing corresponding operations based on the received electric signals, and a checking unit used for determining whether control of the socket is qualified according to the running state of the smart device and determining unqualified reasons for unqualified cases. The application effectively improves the sensitivity of the socket control system to instruction perception.

The present application relates to a kind of LDPE optical protection film resin evaluation method, by controlling the processing method of test sample, crystalline point test condition, and the relationship between the crystalline point of resin blown film and melt strength is established, whether the raw material can be quickly judged to be qualified, compared with prior art, especially relative to existing post-test can be faster, more accurate.The present application is suitable for the rapid evaluation of LDPE optical protection film resin.

The utility model discloses a kind of bread appearance detection equipment and bread production system, detection table is equipped with for conveying the conveying mechanism of product to be measured and detection mechanism, detection mechanism includes the first detection piece and second detection piece sequentially arranged along the conveying direction of conveying mechanism, first detection piece is used to detect the size in the height direction of product to be measured, second detection piece is used to detect the size in the length and / or width direction of product to be measured. Elimination mechanism is arranged in conveying mechanism, and located downstream of second detection piece, for eliminating product to be measured detected as unqualified by first detection piece and / or second detection piece. By setting first detection piece and second detection piece, the appearance size of product to be measured can be comprehensively detected, and the elimination mechanism can eliminate product to be measured when first detection piece and second detection piece detect that product to be measured is unqualified, so that full-automatic detection of bread appearance can be realized, and the efficiency of bread appearance detection can be improved.

This application discloses an air conditioner, which includes a refrigerant circulation loop, an indoor fan, an outdoor fan, an air guide plate, and a controller. Upon receiving a shutdown command for the air conditioner, the controller acquires the current coil temperature and current dew point temperature of the indoor heat exchanger. Based on the current coil temperature and current dew point temperature, the controller controls the indoor fan and air guide plate to operate according to a target odor removal mode, which may be a first mode, a second mode, or a third mode. The air conditioner disclosed in this application can fundamentally destroy the mold growth environment during the shutdown phase, preventing odors. When the air conditioner is turned on again, it can directly provide fresh air, thereby improving user comfort. Furthermore, it achieves more refined and efficient control of the odor removal function, improving the odor removal effect.

The embodiment of the application provides a detection test paper. It relates to the technical field of detection. The detection test paper comprises a base layer and a colorimetric detection layer. The colorimetric detection layer is arranged on the base layer, and the colorimetric detection layer comprises a carrier layer and at least two colorimetric detection parts arranged on the carrier layer. The color development time interval of the at least two colorimetric detection parts is less than 10s. Since the at least two colorimetric detection parts are all located on the carrier layer, sample liquid enters the at least two colorimetric detection parts at the same time, there is no time interval for the different colorimetric detection parts to start detection, meanwhile, the color development time interval of the at least two colorimetric detection parts is less than 10s, when the color development time interval of the different colorimetric detection parts is short, the multiple colorimetric detection parts develop color almost at the same time, which enables the user to read the detection results of multiple parameters at the same time point. The synchronism improves the response speed of the overall detection.

The invention discloses a rotary kiln cylinder center line measuring and adjusting device, which relates to the technical field of rotary kiln measurement and comprises a base, a fixed plate is fixedly connected onto the base, sliders are slidably connected to two ends of the fixed plate respectively, moving rods are fixedly connected onto the sliders, and telescopic displacement sensors are connected between the moving rods and the fixed plate. A marker post is connected to the sliding block and provided with a moving frame, a fixing shell is installed on the fixing plate, a rotating rod is rotationally connected into the fixing shell, and a gong is installed on the rotating rod. The deviation direction of the rotary kiln barrel is judged through the pair of telescopic displacement sensors, scales are engraved on the marker post, the moving distance of the marker ring can be conveniently and visually determined, and therefore the position of a riding wheel on one side of the rotary kiln barrel can be conveniently adjusted, and when the deviation of the rotary kiln barrel exceeds the allowable limit, a gong collides with the end of an inserting rod during rotation, and the riding wheel is prevented from being damaged. Therefore, a worker can conveniently and quickly judge the state of the rotary kiln cylinder through the sound.

The utility model discloses deep groove ball bearing producing and machining equipment which comprises a cleaning mechanism, a detecting mechanism and an assembling mechanism. The cleaning mechanism is matched with a spraying device through the cavitation effect of an ultrasonic generator, deep cleaning can be conducted on the inner ring, the outer ring and ball gaps of the deep groove ball bearing, oil stains and chippings are effectively removed, and sewage is discharged through a liquid outlet after cleaning. The detection mechanism synchronously detects multiple parameters such as the size precision, the surface roughness and the roundness of the bearing by means of a multi-parameter detection probe, detection data are transmitted to the data processing system to be analyzed, and whether the bearing is qualified or not is rapidly judged. An automatic feeding device of the assembling mechanism conveys parts, and an assembling mechanical arm is matched with a positioning clamp to accurately complete assembling of all parts of the bearing. All the mechanisms of the equipment work cooperatively, and the production and machining efficiency, quality and assembly stability of the deep groove ball bearing are improved.

This invention relates to the field of motor mounting stability testing technology, specifically to a motor mounting stability testing device based on multi-environment simulation. The device includes a testing box containing a fixed plate. A vibration frame is mounted on top of the fixed plate, and a mounting base for supporting and mounting the motor is mounted on top of the vibration frame. Mounting strips are flexibly mounted on both sides of the mounting base. Inverted T-shaped rods are symmetrically positioned at the bottom of the mounting strips, sliding through the mounting base. A second spring is positioned between the lower end of the inverted T-shaped rod and the bottom of the mounting base, and the second spring is sleeved on the inverted T-shaped rod. Multiple pressure sensors are also mounted at the bottom of the mounting strips. By installing pressure sensors at the bottom of the mounting strips and utilizing the reset characteristics of the second springs to construct a follow-up detection structure, when any mounting bolt loosens or its preload decreases, the mounting strip will partially lift under the action of the second spring, resulting in a significant reduction in the contact pressure between the corresponding pressure sensor and the bottom of the mounting groove.

This invention relates to the field of aircraft health management technology, and discloses a system and method for implementing aircraft health management. The method collects health data from various monitoring points on the aircraft and status information from various ground processing nodes; then, based on this data and information, it processes the data to obtain target monitoring point clusters for each ground processing node; next, it preprocesses and configures the health data sent by the target monitoring point cluster, and then aggregates the cluster health data from each ground processing node and uploads it to a health database storage interface; finally, it synchronously obtains and analyzes the operational data from each storage interface through the health database storage interface, and performs distributed storage management of the cluster health data. This method can provide a scientific basis for aircraft maintenance, effectively improve aircraft safety, reliability, and operational efficiency, and reduce operating costs, thus having significant application value in the field of aircraft health management.

The utility model discloses a low -voltage cable can prevent water, including power transmission conductor, the power transmission conductor outside tight covering has insulating protective layer, a plurality of insulating protective layer outside common covering has the limit rubber bush, the limit rubber bush inside gap department fills with internal filling strip, the limit rubber bush outside is provided with rubber protective outer cover, the rubber protective outer cover outside tight bundling has rubber bundling belt, the utility model discloses a limit angle nail to the arc block is positioned to prevent the phenomenon that the arc block appears to slip, through the connecting cable and install the suspension rubber ball to the arc block top, through the suspension rubber ball to the trend and the arrangement position of low -voltage cable are marked, ensure that the position of low -voltage cable can be judged fast in the underwater use process, effectively prevent the cable from being accidentally scratched damage by the water operation personnel, and further effectively improve the use security of cable.

The utility model discloses a kind of crankshaft sink depth and coaxality gauges, including table frame, dial gauge, table rule, clamping plate and base;The dial gauge is fixed on table frame by bolt;The table rule is fixed on base by clamping plate and bolt cooperation;Wherein:The upper part of table frame is inverted U-shaped structure block;The upper portion of inverted U-shaped structure block is provided with a through hole along vertical direction, and is provided with a threaded fixing hole along horizontal direction with through hole through;The lower part of table frame is two inverted V-shaped structure blocks;The upper surface of inverted V-shaped structure block is provided with recess;The bottom of inverted U-shaped structure block is fixedly installed in the recess of inverted V-shaped structure block.The utility model is simple in structure, and detection is fast and convenient, and practicality is strong, especially effectively solve the problem that 2~7mm wide crankshaft sink depth and coaxality detection are difficult, and it is suitable for popularization and use in mass industrial production.

This invention provides a seismic-resistant cable tray hanger, relating to the field of cable tray hangers, including an anchoring mechanism fixed to a building, a load-bearing mechanism for supporting the cable tray, a variable damping energy dissipation component, an anti-sway mechanism, and an indicating mechanism. The variable damping energy dissipation component includes a cylinder and a piston rod. The cylinder is connected to the anchoring mechanism and has an internal chamber. The lower end of the piston rod is connected to the load-bearing mechanism, and the upper end extends movably into the chamber. The anti-sway mechanism is located on the side of the load-bearing mechanism and connected to the anchoring mechanism, including a strut and a cable strap. One end of the strut is hinged to the anchoring mechanism, and the other end is connected to the side of the load-bearing mechanism via the cable strap. The indicating mechanism includes a ruler and a pointer. This invention achieves adaptive energy dissipation and automatic reset through the variable damping energy dissipation component, suppresses swaying and provides adjustable flexible constraints, the indicating mechanism visually monitors displacement, and the load-bearing mechanism strengthens the structure and prevents cable tray slippage, thus improving overall seismic reliability and ease of maintenance.

This invention provides a method and equipment for dynamically identifying extreme water-consuming zones in oilfields with ultra-high water cut, belonging to the field of oil and gas field development. The method includes: identifying extreme water-consuming oil wells and inefficient injection water wells; determining target oil wells from the extreme water-consuming oil wells whose inefficient water circulation level exceeds a preset value based on the cumulative water-oil ratio, and determining target water wells corresponding to the target oil wells from the inefficient injection water wells; determining the comprehensive slope comparison value of the target water wells based on the MHI index relationship curve, the cumulative apparent water absorption index curve, and the cumulative skin effect curve; and determining whether an extreme water-consuming zone is formed between the target oil wells and the target water wells based on the comprehensive slope comparison value of the target water wells. The method provided by this invention enables dynamic identification of different water-consuming zones, providing a basis for adjusting the inefficient injection circulation flow field in extreme water-consuming zones.

This utility model relates to the field of pipeline testing technology, and in particular to a composite insulation pipe strength testing device, including a workbench. A first clamping device is arranged on the top left side of the workbench, and a second clamping device is arranged on the top right side of the workbench. The first clamping device and the second clamping device have the same structure. A bending device is arranged in the middle of the top of the workbench, and a power detection module is arranged on the top of the workbench. The power detection module is used to detect the working power of the bending device. The power of the power detection device can indirectly reflect the force applied by the bending device to the device under test, thereby realizing rapid detection and judgment, low detection cost, and continuous detection.

The invention discloses a holmium oxide enhanced silver quantum dot nano-enzyme and application thereof in detection of amoxicillin. The nano-enzyme is prepared by adopting a one-pot synthesis method, is a nanosphere with the diameter of 3.30 + / -0.66 nm, and has excellent mimic enzyme activity and intrinsic fluorescence property. Based on the regulation effect of amoxicillin on the catalytic activity of the nano-enzyme and the enhancement effect of amoxicillin on fluorescence, a method for detecting antibiotic amoxicillin residues in agricultural products through multiple channels of UV-vis spectrum, RGB colorimetry and fluorescence spectrum is established. The method is easy and convenient to operate, high in sensitivity and good in selectivity, is suitable for rapid detection of amoxicillin in water samples, soil, agricultural products, agricultural and sideline products and drugs, and can achieve on-site fluorescence imaging of amoxicillin residues in living samples, the multi-channel detection limits of UV-vis spectrum, RGB colorimetric and fluorescence spectrum are 6.91 * 10 <-8 > M, 1.18 * 10 <-7 > M and 3.56 * 10 <-9 > M respectively, and the method is suitable for rapid detection of amoxicillin residues in living samples. The method has a good application prospect in the fields of environmental monitoring and food safety.

The application discloses a high-voltage switchgear fault tracing positioning method, device, medium and product, relates to the technical field of power equipment online monitoring and fault diagnosis, and comprises the following steps: acquiring actual structure data of a target high-voltage switchgear; establishing a geometric simulation model; combining a gas diffusion mechanism equation, carrying out CFD numerical simulation of fault characteristic gas under multiple fault points, obtaining time-space concentration data sets of multiple monitoring points corresponding to different fault positions; screening fault differentiation characteristic parameters, constructing a fault identification feature vector, dividing a fault area, and generating a labeled sample set; training a double-branch intelligent classification model; collecting real-time gas concentration data at the monitoring points of the target high-voltage switchgear, extracting a fault identification feature vector and inputting the trained double-branch intelligent classification model, and outputting corresponding fault area prediction results. The application can realize real-time online accurate tracing of high-voltage switchgear faults and improve fault tracing positioning accuracy.