621results about How to "Improve concentration" patented technology

The invention belongs to the technical field of healthy lighting, solves the problem that the lighting environment in a classroom cannot be dynamically adjusted in the prior art, and provides a healthy lighting control method, device and equipment for dynamically adjusting the lighting environment in the classroom. The method comprises the steps of obtaining a corresponding time schedule with a target illumination space as a classroom; querying the time schedule according to the current time to obtain teaching activity information corresponding to the current time; obtaining a parameter adjustment coefficient of an illumination adjustment parameter according to the teaching activity type; for each teaching activity type, adjusting an illumination control parameter by using an adjustment coefficient to obtain a target illumination parameter; according to the target illumination parameter, the historical illumination adjustment parameter and the teaching activity type and time period, obtaining an illumination adjustment rate; and controlling the light source to illuminate according to the target illumination parameter and the illumination adjustment rate. The illumination environment in the classroom can be dynamically adjusted, and the healthy illumination requirement of a user is met.

The invention relates to an automatic driving YOLO target detection method and system for coping with light influence, and the method comprises the steps: employing a vehicle-mounted camera to shoot the actual condition images of streets and roads on a plurality of streets, obtaining the vehicle actual condition images of different streets and different roads in different time periods, and forming an image data set; marking the image data set by using a LabelImg tool, and marking a vehicle target in the image, including a bounding box and category information of a vehicle; constructing an automatic driving YOLO target detection network model coping with light influence; and training an automatic driving YOLO target detection network model coping with the light influence by using the obtained image data set, wherein the trained automatic driving YOLO target detection network model coping with the light influence is used for coping with vehicle target detection under the light influence. Accurate vehicle distance adjustment and safe driving decisions can be provided for the automatic driving vehicle, and driving safety and efficiency under various light conditions are ensured.

The invention discloses a rolling bearing fault diagnosis method based on a WSETCNNLBKALSSVM, and the method comprises the steps: S1, carrying out the modal decomposition of a rolling bearing vibration signal collected by a sensor through employing the high time-frequency resolution characteristic of wavelet synchronous extraction transformation, obtaining a decomposed time-frequency image, and carrying out the lossless compression processing of the time-frequency image; s2, dividing the time-frequency image data after lossless compression processing into a training set and a test set according to a set proportion; s3, inputting the generated time-frequency image data in the training set into a two-dimensional convolutional neural network, and performing adaptive fault feature extraction; and S4, taking an output result of a full connection layer of the two-dimensional convolutional neural network as an input of a least square support vector machine, optimizing hyper-parameters of the LSSVM by adopting an improved black-wing optimization algorithm, and completing classification of fault types through the LSSVM. The rolling bearing fault diagnosis method has higher classification precision and diagnosis accuracy in rolling bearing fault diagnosis.

The utility model relates to a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The battery monomer comprises a shell, an electrode terminal and a pressure relief mechanism, the shell is provided with a first wall, the outer surface of the first wall comprises a first area and a second area, and the contact angle between the first area and electrolyte is larger than the contact angle between the second area and the electrolyte; at least one of the electrode terminal and the pressure relief mechanism is disposed in the first region. The first area and the second area with different contact angles are arranged on the first wall, so that the flow characteristics of the electrolyte on the first wall are different, and the electrode terminal and / or the pressure relief mechanism which are / is easy to corrode and difficult to clean are / is arranged in the first area, so that the electrolyte is more difficult to enrich in the first area; the electrolyte on the first wall can be effectively prevented from flowing to the position where the electrode terminal and / or the pressure relief mechanism is located, and important parts on the first area are effectively protected.

The invention relates to the technical field of hard rock stratum blasting construction, and discloses a hard rock stratum blasting excavation method and a blasting delay time calculation method. The technical problems that in the prior art, in underground engineering drilling and blasting method construction, harmful effects exist, vibration generated by blasting is difficult to control, the surrounding environment is affected, the blasting efficiency is low, the construction period is long, and the engineering cost is high are solved. The method comprises the following steps that the tunneling blasting delay time is calculated, and vertical shaft large-diameter empty hole underholing blasting is carried out; vibration reduction holes are formed in the tunnel and the vertical shaft and between the blast hole and the protection object; and tunnel driving blasting charge and vibration effect test are carried out. The technical level of hard rock stratum blasting excavation construction is improved, and fine design and construction of hard rock stratum blasting and control over harmful effects are achieved.

The invention relates to the technical field of laser engraving, and discloses copper-plated steel roller surface embossing laser engraving equipment and an embossing plate roller manufacturing method.The copper-plated steel roller surface embossing laser engraving equipment comprises a bottom plate. The carving machine comprises a bottom plate, a plurality of fixing frames arranged on the side wall of the bottom plate, supporting plates arranged on the two corresponding fixing frames and carving units arranged on the supporting plates, and each carving unit comprises a cleaning component and a carving component which are arranged between the two supporting plates; by arranging the cleaning component, the rotating air outlet ring can directly act auxiliary air on welding slag in a carving area in a spiral flowing mode, the welding slag is better blown out of the carving area, the blown welding slag is collected in the collecting box through mutual cooperation with the collecting assembly, the blown welding slag is prevented from falling into the carving area again, and the carving efficiency is improved. And the engraving precision and the production quality are effectively improved.

The invention discloses a lightweight epilepsy electroencephalogram signal four-classification method, and relates to the technical field of electroencephalogram signal processing. Integrating short-time Fourier transform, a spectrum reconstruction strategy, a one-dimensional convolutional neural network and a long-short term memory network, and constructing an electroencephalogram signal four-classification model; based on the trained electroencephalogram signal four-classification model, the electroencephalogram signals of the user serve as input, and the probability value that the electroencephalogram signals belong to each category is output; comparing the probability values of the four categories, taking the category with the maximum probability value as the category to which the electroencephalogram signal belongs, and sending a corresponding alarm according to the category to which the electroencephalogram signal belongs. Compared with traditional dichotomous and trichotomous models, the electroencephalogram signal four-classification model of the application brings features in the later period of attack into the range of recognition, the accuracy of the model is improved, and based on the lightweight design of the spectrum reconstruction strategy, the reliability of the model is improved. The lightweight epilepsy electroencephalogram signal four-classification method provided by the invention can be applied to edge wearable equipment scenes.

The invention discloses a sunken toilet backfill layer drainage technology which is characterized in that a side wall floor drain for collecting leaked water of a sunken toilet backfill layer is arranged on the sunken toilet backfill layer, and the side wall floor drain is connected to a main floor drain drainage pipe of a lower-layer toilet through a drainage water pipe; therefore, the drainage water pipes of the upper-layer toilets are connected with the main floor drain drainage pipes of the lower-layer toilets in a one-to-one mode, and the backfill layer leakage drainage system of the sinking toilets of the whole building is formed. By means of the design of the drainage water pipe with low construction cost, on the premise that no new space is occupied, whether water stains exist in the backfill layer of the sunken toilet or not can be observed through the drainage water pipe at any time, the leakage condition of the backfill layer is judged, and timely maintenance is facilitated; before the drainage water pipe is connected into the lower-layer toilet floor drain trap, drainage and water seal of the lower-layer toilet floor drain are not affected, maintenance is not needed, odor of a drainage system can be completely prevented from entering a backfilling layer, the comfort of residents is improved, and the physical health of the residents is protected.

The invention discloses an anti-surge low-noise fan blade capable of adjusting the blade angle, and relates to the technical field of wind turbine blades. Comprising a hub body, a connecting rotating shaft is fixedly mounted on the hub body, the interior of the hub body is divided into a power source cavity, a mounting cavity and a driving cavity, an adjusting assembly is arranged in the driving cavity, wind turbine blades are mounted on the adjusting assembly, and blade empennages are fixedly mounted at the tails of the wind turbine blades; a notch is formed in the side edge of the wind turbine blade, a linkage assembly is arranged in the mounting cavity, and a flow guide assembly is arranged on the linkage assembly. Air flow is concentrated through synchronous rotation of the flow guide blades and the wind turbine blades, the flow characteristic of the air flow on the surfaces of the blades can be effectively improved through the design, lift force is increased, and noise is reduced. And the guide blades are combined with an angle adjusting mechanism of the blades, so that the adaptability is enhanced, and the using effect of the wind turbine blade is effectively improved.

The invention provides a coal chemical industry gasified black water energy recovery system which comprises a high-pressure flash tank, a black water liquid expansion machine, a vacuum flash tank, a vacuum flash condenser, an extractor and a hot water tower, and the high-pressure flash tank is provided with a gasified black water inlet, a high-temperature steam outlet and a low-temperature black water outlet. The black water liquid expansion machine is provided with a low-temperature black water inlet, a superheated steam outlet and a normal-pressure saturated black water outlet, the vacuum flash tank is provided with a normal-pressure saturated black water inlet, a low-temperature steam outlet and a saturated liquid black water outlet, and the vacuum flash condenser is provided with a low-temperature steam inlet, an uncondensed gas outlet and a condensed water outlet. The extractor is provided with a high-temperature steam inlet, a mixed steam inlet and a steam-water mixture outlet, and the hot water tower is provided with a steam-water mixture inlet, a fresh water inlet, a conversion condensate inlet, a hot water outlet and a grey water outlet. The energy recovery efficiency is greatly improved, the performance of the vacuum system is optimized, the black water concentration effect is improved, and efficient circulation of water resources and full recovery of black water energy are achieved.

The invention discloses an acid recovery process based on nanofiltration-reverse osmosis, and belongs to the technical field of wastewater treatment, the acid recovery process comprises the following steps: step 1, adsorbing aluminum ions in chemical polishing waste liquid through extraction resin, evaporating and concentrating effluent, and using the effluent as recycled chemical polishing tank acid liquid; step 2, desorbing the adsorbed extraction resin by using distilled water, separating aluminum ions from the obtained desorption liquid through diffusion dialysis, and separating the recovered acid liquid through nanofiltration; step 3, concentrating the nanofiltration thin liquid through reverse osmosis to obtain concentrated acid liquid which is used as recycled sulfuric acid desorption liquid; and 4, adding alkali into the diffusion dialysis residual liquid, the nanofiltration concentrated liquid and the reverse osmosis thin liquid for neutralization to prepare the aluminum-containing flocculating agent. According to the method, adsorption, diffusion dialysis, nanofiltration and reverse osmosis processes are combined, and an amino-containing imidazolium salt modified polyamide nanofiltration membrane and a phosphonic acid-sulfonic acid bifunctional group-containing reverse osmosis membrane are adopted, so that efficient separation and recovery of acid and aluminum ions in the chemical waste liquid are realized, and economic benefits are increased while the cost is reduced.

The flow stabilizing device comprises a feeding pipe, a vertical discharging pipe, a reverse feeding barrel and a guide plate, the upper end and the lower end of the discharging pipe are each of an opening structure, and the barrel wall of the reverse feeding barrel is arranged on the outer side of the discharging pipe; the lower end of the barrel wall is connected with the pipe wall of the discharging pipe in a watertight mode through the barrel bottom, the upper end of the barrel wall is higher than the upper end of the discharging pipe, and a feeding port communicated with the feeding pipe is formed in the lower portion of the barrel wall. And the guide plate is wound between the pipe wall of the blanking pipe and the barrel wall of the reverse feeding barrel in a spiral ascending manner. The flow stabilizing device provided by the utility model can effectively stabilize the flow of the ore pulp before the ore pulp enters the concentration tank of the concentration system, so that the ore pulp can be sufficiently flocculated, and the concentration effect is remarkably improved.

The invention discloses an atmosphere lamp adaptive management method and system based on emotion perception, and relates to the technical field of light adjustment, the system uses a high-precision camera to monitor facial expression, posture and action changes of employees, extracts key features, establishes an emotion data set, and uses a convolutional neural network CNN to construct an emotion recognition model; and generating an emotion index Em. Meanwhile, the environment simulation model monitors indoor and outdoor light rays, barrier distribution and weather conditions in real time, creates an environment data set, simulates illumination effects in different emotional states, generates an illumination brightness coefficient L1, generates a corresponding early warning instruction when it is judged that the concentration of the employees is unqualified, and gives an alarm according to the early warning instruction and the comprehensive emotional illumination adjustment coefficient Cl. Corresponding atmosphere lamp adjusting instructions are generated according to different office scenes, and light brightness and color temperature are adjusted, so that the atmosphere lamp adjusting instructions adapt to emotional states and working scene requirements of current employees.

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

The invention discloses a YOLOv10-based power transmission line insulator detection method and system, and the method comprises the steps: constructing an insulator data set; then, an insulator detection model based on the lightweight YOLOv10n network is constructed, that is, a ghost convolutional layer GhostConv based on GhostBottleneck module stacking is used for replacing an original common convolutional network of a Backbone network; a feature enhancement module ConcatBiFPN is used for replacing an original connection layer network of the Neck network, and an attention module ContextAggregation is arranged behind a feature extraction module C2FCIB of the Neck network; and finally, the insulator data set is sent to an insulator detection model based on lightweight YOLOv10n for model training to obtain an insulator detection model for insulator detection, so that the algorithm operation efficiency and accuracy are greatly improved.

The invention provides a sector-shaped slope crack monitoring system and a monitoring method thereof, and relates to the technical field of crack monitoring, and the sector-shaped slope crack monitoring system comprises an ultrasonic detector which is used for generating and receiving a required sound wave frequency; the sensing network is used for collecting crack data in the sector area; the data acquisition unit is used for acquiring data of the sensing network and sound wave frequency data of the ultrasonic detector and preprocessing the data; the communication module is used for transmitting the data acquired by the data acquisition unit to the central processing platform; and the central processing platform is used for analyzing and processing the collected data, generating a report and sending out an alarm notification according to a preset threshold value, can realize omnibearing coverage of slope cracks by combining underground crack monitoring and earth surface crack monitoring, and can realize comprehensive coverage of the slope cracks based on analysis of the monitoring data. Continuous innovation and perfection of related monitoring technologies and early warning systems can be promoted, and the automation and intelligence level of geological disaster monitoring and early warning is improved.

The invention discloses a traditional Chinese medicine composition capable of restoring energy, restoring consciousness and resisting fatigue and application of the traditional Chinese medicine composition. The traditional Chinese medicine composition is prepared from the following traditional Chinese medicine raw materials: radix astragali preparata, fructus lycii, herba ecliptae, fructus ligustri lucidi, radix polygalae, rhizoma chuanxiong, American ginseng, rhizoma acori graminei and herba menthae, has the effects of tonifying spleen and qi, soothing liver and regulating qi, tonifying liver and kidney, inducing resuscitation and tranquilizing mind, and is used for treating body fatigue caused by liver depression and spleen deficiency, liver and kidney deficiency and liver-spleen disharmony; animal experiment results show that the traditional Chinese medicine composition has the effects of enhancing exercise ability and muscle endurance ability, improving attention and memory and enhancing immunity, and can effectively improve the fatigue state. The traditional Chinese medicine composition disclosed by the invention can be used for developing anti-fatigue medicines and related health-care products.

The invention discloses an audio and video system integrated conference system, which belongs to the technical field of remote conferences, and comprises an information authentication module, an audio transmission module, a video transmission module, a conference effect detection module and a comprehensive summary module, the audio transmission module comprises audio acquisition equipment which is responsible for capturing, transmitting and processing audio signals in a conference so as to ensure that participants can clearly hear the sound of each other, and the video transmission module comprises a high-definition camera which is responsible for capturing, transmitting and displaying video signals. According to the audio and video system integrated conference system, audio and video transmission, concentration degree detection and conference content summarization can be realized, the interactivity and effect of a conference are effectively improved, the effect of the audio and video conference is improved, and the participation degree of participants in the conference process is improved.

The invention relates to the technical field of traffic safety protection, and discloses a tunnel portal flexible blocking system which comprises a water curtain generation system which is arranged on a portal frame of a tunnel portal, is composed of an efficient spray head, a water storage tank, a liquid level sensor and a controller and is used for rapidly forming a flexible water curtain barrier to slow down the vehicle speed and providing visual warning. The water source is taken from a tunnel leakage water discharge system and ensures the water quality through a filtering device; the flexible barrier gate system is installed near a tunnel entrance and is of a structure that an aluminum alloy core column wraps a foam material. A flexible water curtain barrier can be rapidly formed in emergency through the water curtain generation system, and the effects of blocking vehicles and preventing further accident expansion are achieved. The automatic design enables the water curtain barrier to be formed within second-level time, the water curtain barrier can be closed at a low speed in emergency, vehicles are flexibly intercepted, and damage to the vehicles and system equipment is reduced.

The invention discloses a visual target tracking technology based on a local fine-grained target. The visual target tracking technology comprises a visual target tracking system, an establishment method of the visual target tracking system and a visual target tracking method. The visual target tracking system excavates deep features between a template image containing a target to be tracked and a search image, and performs target tracking through classification and regression. The template image is input into a hierarchical self-adaptive mask mechanism module for self-adaptive local fine-grained mask processing, and a template mask image is obtained; the template image feature extraction network and the search image feature extraction network extract deep features of a template image and a search image respectively, deep fusion and relation modeling are performed on the features through the Transform encoder and the Transform decoder, and then prediction of a target bounding box in the search image is performed through classification and regression. The system can track a fine-grained target under the condition that the structure priori is not clear.

The invention relates to the technical field of laser cutting, in particular to laser cutting equipment for a drawer sliding rail and a control method thereof.The laser cutting equipment comprises a cutting platform, a laser head, a laser cutting device and a laser cutting device, the side wall of the cutting platform is transversely and slidably connected with a portal frame, and the laser head is transversely and slidably connected to the top of the portal frame through a sliding block; the plane displacement mechanism is used for driving the laser head to move on an XY plane; the two clamping pieces are symmetrically arranged at the top of the cutting platform and used for clamping a to-be-machined piece; material information of a workpiece to be machined can be accurately recognized through the arranged material recognition unit, a basis is provided for follow-up parameter adjustment, the control unit automatically adjusts cutting parameters of the laser head and the plane displacement mechanism according to the recognized material information, meanwhile, the operation state of the negative pressure assembly is adjusted, and the cutting efficiency is improved. The intelligent adjustment ensures that the cutting parameters and the negative pressure degree adapt to the material characteristics, and the cutting effect and efficiency are greatly improved.

The invention discloses a GIS electromagnetic field coarse simulation data enhancement method and system based on a differential fusion neural network, and a storage medium. The method comprises the steps of obtaining a GIS electromagnetic field coarse grid simulation data set; the GIS electromagnetic field coarse grid simulation data set is input into a difference deep learning network model, the difference deep learning network model comprises an enhancement network and a structural similarity network which are connected in sequence, and the enhancement network comprises a self-adjusting module and a difference convolution module; respectively calculating the coarse grid structure data and the coarse grid field intensity data by using a self-adjusting module and the differential convolution module to obtain fine grid enhanced grid structure features and fine grid enhanced field intensity features; matching the fine grid enhanced grid structure features and the fine grid enhanced field intensity features by using a structure similarity network, and calculating similarity features; calculating GIS fine grid enhanced data based on the similarity features; by adopting the method, the precision and the efficiency of GIS electromagnetic simulation can be considered at the same time.

A magnetic chip removal system of a machine tool comprises a chip removal machine body, a groove-shaped plate is installed on the outer side of a side plate on one side or two sides of a horizontal section of the chip removal machine body, the groove-shaped plate and the side plate form a containing cavity, a liquid drainage hole is formed in the position, located on the upper side of a top plate, of the side plate, the liquid drainage hole is communicated with the containing cavity, and a water collection tank is arranged at the end of the horizontal section of the chip removal machine body. The water collecting tank is communicated with the containing cavity and provided with a drainage device. By means of the structure, cooling liquid concentrated on the top plate and the side plates is discharged into the containing cavity through the multiple liquid discharging holes to be collected, due to the fact that the number of the liquid discharging holes is large, all the liquid discharging holes cannot be blocked, liquid discharging can be better achieved, the water collecting tank is arranged at the end of the horizontal section of the chip removal machine body, and the containing cavity is communicated with the water collecting tank; therefore, cooling liquid in the water collecting tank and the containing cavity can be discharged through the drainage device, and the liquid discharging effect is better.

The invention provides a tower wind load model test device and test method, the device comprises a tower simulation piece and a damping adjustment unit, the damping adjustment unit comprises an eddy current conductor assembly and an electromagnetic assembly, the eddy current conductor assembly comprises an eddy current conductor and a magnetic back plate, and an air gap is reserved between the electromagnetic assembly and the eddy current conductor. The method comprises the following steps: constructing a tower simulation piece according to a scale ratio, and determining the thickness of a longitudinal main tower rod of the tower simulation piece according to the thickness and the elastic modulus of the longitudinal main tower rod of the tower and the elastic modulus of the tower simulation piece; the critical vortex vibration initial wind speed, smaller than the preset safe wind speed, of the tower is screened out from the vortex vibration initial wind speeds of the tower during vibration of all orders; determining the optimal test simulation wind speed of the tower simulation part according to the critical vortex vibration initial wind speed and the wind speed ratio; and the electromagnetic assembly adjusts the initial damping force of the damping adjusting unit to the target damping force. The method has the advantages of improving accuracy and reliability of test results, reducing potential safety hazards of the tower and the like.

The utility model discloses ternary leachate separation equipment, which belongs to the technical field of ternary leachate separation and comprises an equipment box, a connecting rod is fixedly connected to the lower surface of the equipment box, a working box is fixedly connected to the lower surface of the connecting rod, and a motor is connected to the outer wall of the left side of the equipment box through bolts. The lower surface of the equipment box is fixedly connected with a discharge valve; the long pin is fixedly connected to the output end of the motor, and stirring blades are fixedly connected to the surface of the long pin; a filter screen is fixedly connected to the inner wall of the fixed plate, the fixed plate is symmetrically distributed about the center of the filter screen, and a side connecting plate is fixedly connected to the surface of the fixed plate on the right side. When the ternary leachate separation equipment is used, raw materials are put into the equipment box, the motor is started to drive the long pin and the stirring blades to rotate, mixing of the raw materials and a catalyst is completed, and when the long pin rotates, liquid cannot leak out of the equipment box through the sealing ring.

The invention belongs to the technical field of inverter equipment, and discloses a solar photovoltaic inverter which comprises an inverter body, the upper surface of the inverter body is movably connected with a protective shell, one side of the inverter body is connected with a top cover in a clamped mode, and through cooperation of a first motor, a lead screw, a rotating rod, an expansion plate and other structures, the first motor, the lead screw, the rotating rod, the expansion plate and the like are connected with the protective shell in a clamped mode. A lead screw can be driven to rotate through arrangement of a first motor, the lead screw rotates to drive a connecting rod in threaded connection with the lead screw, so that the connecting rod can move on the lead screw, and the connecting rod can drive a rotating rod in rotating connection to rotate while moving; the rotating rod rotates and the rotating rod sleeve connected with the rotating rod can drive the expansion plate, so that the expansion plate is unfolded towards the two sides, the expansion plate is unfolded towards the two sides, hot air blown out by the fan device can be effectively and better blown out towards the two sides, and therefore the effects of adjusting the heat dissipation area of the fan device and rapidly discharging heat are achieved.

The invention relates to a digital teaching system based on a multi-mode intelligent technology. A teaching end displays digital content through screen equipment; the control end provides a digital classroom control capability for teachers or assistant teachers through mobile equipment; the student end realizes real-time interaction between students and the digital classroom through a mobile device configured with a voice device; the server is configured with an intelligent knowledge base, analyzes classroom data based on an intelligent algorithm and a big data analysis technology, generates a learning path and recommendation resources according to student conditions, processes questions with the help of natural languages, and drives the whole teaching to operate intelligently. According to the invention, classroom interaction intellectualization can be realized, teaching quality can be improved, multidisciplinary knowledge coverage and dynamic adaptation can be realized based on an intelligent knowledge base, modular course design and dynamic interaction are optimized, dialogue type and touch type interaction modes are fused, popularization application of code-free teaching design is supported, and teaching experience is improved. And classroom effect optimization driven by real-time data, enhanced teaching feedback and long-term improvement are facilitated.

The invention discloses an electric power production safety simulation training system and method based on AR virtual reality. The system comprises AR glasses, a simulation teaching resource cloud platform and a 3D modeling real-time interaction subsystem. The method comprises the following steps: firstly, constructing a virtual reality scene of a power production environment by using an AR virtual reality technology; a plurality of training modules are arranged in the virtual reality scene, and each training module corresponds to one kind of power production safety knowledge or skill; the employee wears AR glasses, enters a virtual reality scene, and selects a corresponding training module for training according to own needs; the training system evaluates the operation of the employees and provides feedback and suggestions according to the evaluation result; the training system records the training progress and the training effect of the employees and generates a training report; and the training system periodically updates the training content. According to the invention, the immersion and reality of training are improved, the safety awareness of employees is enhanced, the safety awareness of the employees is improved, the training cost is reduced, and the training effect is improved.

The invention discloses a specimen sampling device based on medical detection, and relates to the technical field of blood sampling, the specimen sampling device comprises a vacuum blood collection tube, a blood collection needle and a fixator, the vacuum blood collection tube comprises a bottle tube and a bottle cap, the fixator comprises a positioning frame, a sliding block, a puncture needle, a first spring, a second spring and a buckle, and a mounting groove is formed in the upper end face of the positioning frame; the vacuum blood collection tube is detachably installed in the installation groove, the sliding block is installed in the installation groove and is in elastic sliding connection with the positioning frame through a first spring, the puncture needle is installed in the sliding block and is in elastic sliding connection with the positioning frame through a second spring, and a hose is arranged between the blood collection needle and the puncture needle. The blood sampling device has the advantages of being convenient to operate and capable of automatically mixing the anticoagulant, and the problems that according to existing blood sampling equipment, medical staff need to operate with two hands, the blood sampling part of a patient is fixed with one hand, operation is complex, misoperation is prone to occurring, and the process of manually replacing a blood sampling bottle and shaking and mixing the anticoagulant is long in time consumption and low in efficiency are solved.

The invention relates to the technical field of temperature control detection, in particular to a cable temperature control detection method, electronic equipment, a storage medium and a program product, and the method comprises the steps: obtaining cable trench thermal data, and determining a cable thermal distribution diagram of a to-be-detected cable based on the cable trench thermal data; identifying hidden danger point locations from the cable thermal distribution map based on a preset standard thermal value; hidden danger cable parameters and historical current-carrying capacity information of the hidden danger point location are obtained, predicted thermal data of the hidden danger point location in a preset time period are determined based on the hidden danger cable parameters and the historical current-carrying capacity information, and the predicted thermal data comprise predicted thermal values corresponding to all moments of the hidden danger point location in the preset time period; and superposing the predicted thermal data to a hidden danger point location in the cable thermal distribution diagram, and when the predicted thermal data contains a fault thermal value, generating early warning information based on the hidden danger point location, the fault thermal value being a predicted thermal value higher than a preset fault value. According to the invention, the cable with abnormal operation temperature can be found in time.