589 results about "Thermal radiation" patented technology

The invention relates to the technical field of kitchen safety monitoring, and discloses a kitchen gas stove abnormity early warning system based on infrared thermal imaging multispectrum. The system comprises an infrared thermal imaging acquisition module, a dynamic feature extraction module and an abnormal behavior identification module. The infrared thermal imaging acquisition module synchronously captures the surface temperature field distribution of the gas cooking range through a multispectral infrared sensor array, obtains flame form data in combination with a visible light image, and generates a multi-channel fused infrared thermal imaging characteristic spectrum through processing. The dynamic feature extraction module adopts a three-dimensional convolution kernel to scan continuous time sequence frames, identifies flame morphological feature differences, calculates thermal radiation intensity energy distribution offset, and outputs dynamic feature vectors. The abnormal behavior recognition module extracts a correlation mode through a deep residual network, compares current features with a historical normal working condition feature library, and generates a preliminary early warning signal containing an abnormal type code and a risk level when the attenuation rate of flame spectral energy in a specific infrared band exceeds a first threshold value.

The invention discloses an intelligent fire detection and quick response method based on image recognition. The method comprises the following steps: S1, synchronously acquiring and preprocessing multi-source image data; s2, carrying out multi-modal feature fusion and early fire identification; s3, intelligent grading response based on deep reinforcement learning: constructing a fire behavior grade dynamic evaluation network, inputting fused multi-modal features, outputting fire behavior grade probability distribution and a crisis index, judging a fire behavior grade according to a dynamic threshold value, and triggering a predefined grading response strategy; s4, performing cross-scene adaptive transfer learning; and S5, carrying out system self-diagnosis and dynamic optimization. According to the invention, through time-space synchronous acquisition and deep fusion of visible light, infrared and smoke multi-mode data, vision, thermal radiation and smoke characteristics of flames are integrated, and common interferences such as real fire behavior and lamplight, light reflection, a moving heat source, water mist and dust are effectively distinguished by using an improved lightweight CNN, a self-adaptive background temperature model and an environment airflow model.

The invention relates to the technical field of evacuation intelligent simulation, in particular to a fire-fighting evacuation path dynamic planning method and system based on digital twinning. In the fire-fighting evacuation path dynamic planning method and system based on digital twinning, a digital twinning environment containing multi-dimensional real-time sensing data such as temperature, smoke and heat radiation intensity is constructed; the method can dynamically analyze space-time evolution characteristics such as fire spreading trend and heat accumulation, further carries out accurate quantitative evaluation on the danger level of each segment of an evacuation path, and meanwhile, integrates video monitoring and wireless positioning information to grasp the specific positions and moving tracks of people in a building in real time, thereby improving the safety and reliability of the evacuation path. The actual flow bottleneck is identified based on the flow direction consistency, the distribution density and the congestion condition of the crowd, and finally, the dynamic danger of the fire environment and the macroscopic flow trend of the crowd are combined, and the passage cost value of each path section is subjected to dual dynamic correction, so that the flow rate of the crowd is improved. And an evacuation path planning result giving consideration to fire hazard avoidance and crowd congestion evacuation is generated, so that the real-time performance and safety of evacuation decision making are effectively improved.

The invention relates to an electrochromic window multi-scene control method, system and device based on indoor human body thermal comfort and a medium. The method comprises the steps that a perception data set is constructed; based on the sensing data set, performing multi-parameter coupling calculation of solar incidence azimuth deviation constraint and dynamic projection overlapping to obtain a direct radiation component, performing window space coupling analysis and double space compensation calculation to obtain a scattered radiation component, and performing fusion to obtain an individual thermal radiation influence value; determining a scene category based on the perception data set, and establishing a thermal radiation evaluation benchmark by adopting a mode matched with the scene category; and if the thermal radiation evaluation benchmark exceeds a preset threshold value, the required transmissivity of the window faces is obtained through a full-transmissivity radiation distribution method, the corresponding window faces are adjusted to the target transmission gradient according to the required transmissivity, and coupling control over the wind direction and / or power of the air conditioning system is selectively triggered. According to the invention, by constructing a multi-dimensional dynamic sensing system and an intelligent control framework, collaborative optimization of human body thermal comfort and building energy efficiency is realized.

The invention is applicable to the technical field of remote sensing, and particularly relates to a remote sensing technology-based regulation and control strategy generation method and application thereof, and the remote sensing technology-based regulation and control strategy generation method comprises the steps of obtaining an earth surface feature time series data set and an urban function dynamic data set in a remote sensing monitoring platform; generating earth surface thermodynamic evolution correlation characteristics according to the coverage type time sequence characteristics and the thermal radiation dynamic characteristics, and generating a functional area dynamic characteristic set according to the urban functional area attribute change characteristics; generating a heat island effect prediction sub-atlas set based on the earth surface thermodynamic evolution correlation features and the functional area dynamic feature set; dynamically adjusting node connection weights in the heat island effect prediction sub-atlas set according to real-time monitoring data and historical trend data, and generating a prediction priority ranking result in combination with a prediction timeliness evaluation function; and generating a heat island effect prediction result and a regulation and control strategy based on a prediction priority ranking result. According to the method, the pertinence, timeliness and systematicness of thermal environment regulation and control are improved.

The invention discloses an infrared bidirectional thermal effect simulation method based on radiation and GPU acceleration, and belongs to the field of thermal radiation simulation and parallel computing. Dispersing the complex geometry into patch units, constructing an inter-patch radiation energy balance equation based on a radiance theory, and iteratively solving the final temperature of the patches through a radiance method; a three-level parallel strategy of a task level, a data level and an instruction level is designed, data intensive tasks such as shape factor calculation and radiance iteration are migrated to a GPU to be executed, data storage is optimized in combination with a structure array (SoA) layout and a sparse matrix compression technology, and efficient data sharing of a CPU end and a GPU end is achieved through a CUDA zero copy technology. According to the method, the dependence of a traditional method on regular grids is broken through, the calculation efficiency and precision of million-level surface patch heat radiation transmission in a complex scene are remarkably improved, and an efficient tool is provided for heat radiation indirect transmission calculation and a global illumination model in the field of three-dimensional scene infrared simulation.

The invention provides an AI vision-based coal cinder amount intelligent detection early warning method and system, and the method comprises the steps: synchronously collecting the surface feature information, thermal radiation feature and internal structure information of a slag hopper of a slag conveyor through a dual-spectrum camera, and obtaining a dual-spectrum image; pixel-level coal cinder segmentation is carried out on the double-spectrum image; based on the segmentation result, counting the pixel proportion of the coal cinder area, and converting the pixel proportion into the actual coal cinder total amount proportion; identifying the segmented coal cinder area by adopting connected domain analysis, dynamically adjusting a size judgment threshold value through contour analysis and geometric feature extraction in combination with the bearing capacity of the slag conveyor, and determining whether large coal cinder exists or not; when the actual coal cinder total amount proportion is larger than the preset threshold value or large coal cinder exists, the risk level is generated to trigger the multi-level early warning control action, the actual coal cinder total amount proportion and the large coal cinder are automatically recognized through double-spectrum fusion segmentation, and early warning is given out when abnormity occurs, so that the accuracy and the real-time performance of coal cinder amount detection are effectively improved.

The invention relates to the technical field of rubber conveying belts, and discloses a high-temperature-resistant flame-retardant chlorinated polyvinyl chloride plastic conveying belt. The conveyor belt aims at solving the problems that an existing rubber-based conveyor belt is poor in thermal stability, low in flame retardant efficiency and rapid in mechanical property attenuation in a high-temperature, open fire or thermal radiation environment. The tensile body is composed of an upper covering layer, a lower covering layer and a tensile body core layer. The covering layer is formed by blending and extruding chlorinated polyvinyl chloride resin, a heat stabilizer, a flame retardant synergist, a smoke suppressant, a plasticizer, a lubricant and an inorganic filler; and the core layer is formed by compounding and hot-pressing plasma-treated aramid fabric and chlorinated polyvinyl chloride dipping slurry. Through multi-component collaborative design, the conveyor belt keeps structural integrity and mechanical properties under long-term thermal exposure at 200 DEG C, the limit oxygen index is larger than or equal to 38% and reaches the UL94 V-0 level, and the conveyor belt is free of molten drops, low in smoke and low in toxicity, can be subjected to continuous thermoplastic forming and does not need vulcanization.

The invention relates to the technical field of fire reason investigation, and particularly discloses a heat radiation test device with an adjustable test rack, which comprises a heat radiation rack and a test rack, a radiation source is mounted on the heat radiation frame; the test rack is in a portal shape, the left end and the right end of the test rack are sleeved with sliding supports with the adjustable height respectively, and locking assemblies are installed on the sliding supports. The device further comprises a horizontally-arranged rotating rod, the two ends of the rotating rod are connected to the two rotating rods correspondingly, and a rotating assembly is installed on the rotating rod and rotates in the circumferential direction of the rotating rod. A fixing frame is installed on the rotating assembly and used for fixing a sample. The effect of adjusting the overall height of the fixing frame is achieved by adjusting the height of the sliding support, the angle of the fixing frame is adjusted through the upper rotating assembly, a sample can face a radiation source at different angles to conduct a heat radiation test, and an operator can more accurately simulate the state of the sample to test data according to post-disaster data.

The invention provides a power grid equipment monitoring method and system based on multi-source satellite power grid image data processing, and the method comprises the steps: firstly obtaining heat radiation temperature data and contour data of equipment from an infrared satellite and a visible light satellite, and carrying out the time-space synchronization processing; secondly, extracting temperature gradient distribution information from the heat radiation temperature data, and identifying and sequencing local overheating areas in combination with radiation intensity difference; enhancing equipment contour edge identification according to the sequence to obtain an enhanced contour image; superposing the data with thermal radiation temperature data, and extracting comprehensive distribution characteristics to determine an initial fusion weight; identifying a temperature distribution imbalance region, evaluating the reliability of the two types of data sources, and adjusting the weight in combination with the operation state of the equipment to obtain a final ratio; the two types of data are weighted and fused according to the proportion, and a final temperature distribution image is obtained through temperature field distortion correction; and extracting the geographic position of the overheat area and mapping the geographic position to the equipment layout diagram to complete power grid equipment thermal anomaly monitoring. Through the scheme of the invention, the thermal anomaly of the power grid equipment can be monitored.

The invention discloses a geothermal water multi-factor remote sensing detection method, system and device, a medium and a product, and the method comprises the steps: obtaining a thermal radiation anomaly index and a surface temperature anomaly index through multi-temporal thermal infrared preliminary screening and surface temperature inversion; the method comprises the following steps: extracting a vegetation stress index VIBS by utilizing the characteristic that terrestrial heat inhibits vegetation, and obtaining a comprehensive altered mineral index MI according to mineral alteration characteristics and a spectral unmixing method; based on ALOS PALSAR, a fracture-fracture zone is extracted, and a construction advantage degree SF is quantified; gRACE gravity image data are introduced to form hydrological favorable degree HF; geothermal water indication characteristics are integrated, multi-factor scoring and grading are fused to obtain a comprehensive geothermal anomaly distribution map, and finally boundary refinement and field verification are carried out through unmanned aerial vehicle thermal infrared / multispectral aerial survey. According to the method, false detection and missing detection can be remarkably reduced, and the accuracy and field efficiency of geothermal anomaly recognition are improved.

The invention provides a BIM-based construction crack detection image real-time comparison and early warning system, and relates to the technical field of building construction, and the method comprises an extraction module which is used for carrying out the bimodal feature fusion processing of original image data, and generating a fusion feature image comprising texture and thermal radiation information; performing image preprocessing and crack contour extraction on the fused feature image, performing geometric fitting on the crack contour, calculating and determining a dominant extension direction of the crack contour, a long axis along the dominant extension direction and a short axis perpendicular to the dominant extension direction, and obtaining initial geometric parameters of the crack; and meanwhile, recording initial position information of the crack in the image. According to the invention, tracking and real-time intelligent early warning of the development state of the construction crack are realized.

The invention discloses a super-hydrophobic heat insulation / radiation refrigeration integrated fabric and a preparation method thereof.The method comprises the steps that firstly, a heat insulation layer is constructed on a base fabric through electrostatic spraying, specifically, PU and SCA are dissolved in DMF, SiO2 aerogel is added to form spraying liquid, a three-dimensional network structure is formed between aerogel and fibers through the synergistic cross-linking effect of SCA and PU, the aerogel is firmly anchored, and the heat insulation layer is formed; the adhesive force and the washability of the coating are improved. PVDF-HFP and ZrO2 nano-particles are blended and spun to form a composite structure with nano-fibers wrapping ceramic particles, particle aggregation is avoided, and the radiation refrigeration and heat insulation performance of PVDF-HFP and ZrO2 nano-particles are synergistically exerted. Finally, a substrate-heat insulation-refrigeration three-dimensional composite structure is formed through hot pressing treatment, chemical bonding of all the layers is achieved through SCA, the fabric has the characteristics of high strength, abrasion resistance, hydrophobicity, heat insulation and radiation refrigeration, and the problem that durability and comfort of a traditional material are difficult to achieve at the same time is solved.

The invention relates to the technical field of intelligent traffic, in particular to a sensing method and system based on field environment data optimization, and the method comprises the steps: firstly collecting multi-source sensor data of a low-light traffic scene, including visible light, light intensity and glare, thermal radiation characteristics and three-dimensional point cloud information data; then, based on visible light and light intensity data, degradation features are extracted, and a low-light visual interference vector is generated; mapping the interference vector into a visual enhancement parameter and multi-source confidence weight distribution for guiding image adaptive enhancement to obtain an optimized visual image; generating enhanced quality confidence through real-time evaluation, and dynamically correcting the weight to form a reliability weighting coefficient; and finally, fusing visible light, thermal imaging and point cloud results to realize traffic target detection and tracking in a low-light environment. The limitation of single perception is overcome through multi-modal fusion, and the accuracy, stability and adaptability of the system in a complex low-light scene are improved by combining adaptive enhancement and a weight correction mechanism.

Valve (1) for closing a passage between a heating chamber (100) and a reaction chamber (120), comprising a housing part (3) forming a valve chamber (5), with a first opening (7) having a first opening edge (7a) oriented towards the heating chamber (100), and a second opening (9) having a second opening edge (9a) oriented towards the reaction chamber (120), wherein the first opening (7) and the second opening (9) together with the valve chamber (5) form a transport channel (11) between the heating chamber (100) and the reaction chamber (120) when open, and comprising a first locking flap (13) for closing the first opening (7), wherein the first locking flap (13) is pivotably arranged in the valve chamber (5) and is pivotable from an open position to a closed position, wherein the first locking flap (13) in the closed position abuts the first opening edge (7a) in a sealing manner.wherein a sealing device (17) is arranged on the first locking flap (13), which can be pressed against the first opening edge (7a) in the closed position, and with a second locking flap (19) for closing the second opening (9), wherein the second locking flap (19) is pivotably arranged in the valve chamber (5) and can be pivoted from an open position to a closed position, wherein the second locking flap (19) rests against the second opening edge (9a) on the side facing the valve chamber (5) in the closed position, wherein in the open position the second locking flap (19) is arranged in front of the first locking flap (13) in the direction of the transport channel (11) and forms a heat radiation shield for the sealing device (17) against heat radiation from the transport channel (11).

The invention discloses a laser power monitoring device. A sampling mirror, a focusing mirror, a spectroscope, an attenuation filtering assembly and a power detection assembly are sequentially arranged in the light path direction. Wherein the attenuation light filtering unit comprises a first attenuation sheet, a second attenuation sheet and a light filter; real-time online monitoring of the laser power in the machining process is achieved, and instantaneous power fluctuation is effectively captured. The detection sensitivity is improved by the enhanced sampling signal intensity, the interference of environmental stray light is inhibited by the multi-stage light splitting structure, and the influence of thermal radiation is eliminated by the gradient attenuation and filtering combined design. The device can stably work in a high-temperature processing environment, and provides reliable data support for closed-loop power control.

The invention belongs to the technical field of 3D printing, and particularly relates to a continuous pulse mixed type patterning laser powder bed light path system and method.Laser powder is preheated to be close to a melting point but not molten through set continuous-period light emitting, the preheated laser powder is completely molten through pulse-period light emitting, and in other words, the continuous pulse mixed type patterning laser powder bed light path system and method are obtained; continuous light is only used for preheating powder for a short time, so that the powder is close to a melting point but not molten; then peak energy is rapidly provided through microsecond pulsed light, powder melting is completed instantly, in this way, the effective heating time is shortened, the heat radiation range of heating is controlled, the heating time of a system is far shorter than the heating time of traditional continuous light, melting and solidification are completed when heat is not diffused out of a preset pattern in time, and the production efficiency is greatly improved. Therefore, the fusion area is limited within the pattern range, the subsequent part forming precision is improved, and laser loss caused by too high peak power due to short time is reduced through pulse light emitting and continuous light emitting.

A multi-user detection and distance measurement method based on a thermal array sensor, called TADAR for short, comprises the following steps: collecting environmental thermal radiation data by using the thermal array sensor, and generating a 2D temperature map; preprocessing the 2D temperature map, and pooling the human body region to form a temperature feature vector; and estimating the distance between the user and the sensor by using the feature vector and a regression model. In addition, individual users are distinguished and confirmed by spatio-temporal tracking techniques, and TADAR supports multi-user detection and separation. The TADAR has the advantages that the temperature reading of each part of the body is fully utilized, so that the distance measurement accuracy is improved; moreover, training is not needed, texture-free, low-resolution and high-noise thermal array data can be processed, and a plurality of users can be effectively detected and separated. Besides, the TADAR utilizes space and time sequence information, so that accuracy and robustness in different environments are ensured, and a solution which gives consideration to imaging resolution and privacy protection is provided for ubiquitous human body perception.

The invention relates to the technical field of industrial heat treatment, and discloses a pit furnace temperature uniformity control system, which comprises a thermal field perspective module, a thermal field reconstruction module and a self-adaptive reconstruction controller, and is characterized in that the thermal field perspective module acquires three-dimensional temperature distribution in a furnace in real time through multispectral imaging and physical field inversion; the thermal field reconstruction module integrates a distributed variable-radiance wall surface unit and a directional micro-area energy injection unit which are respectively used for macroscopically guiding thermal radiation flow and microscopically compensating internal under-heating points; and the self-adaptive reconfiguration controller carries out online self-calibration on the high-precision physical field model, and generates a cooperative control instruction for the two execution units based on model prediction control, so that physical reconfiguration of the thermal field is realized. According to the method, active, accurate and self-adaptive control over the temperature field is achieved through a tight closed loop of sensing, decision making and execution, and the temperature uniformity, the control response speed and the process adaptability of heat treatment are remarkably improved.

The invention discloses a linear evaporation source and a co-evaporation evaporation source, belongs to the technical field of vacuum coating equipment, and aims to solve the problems of uneven heating, serious heat radiation overflow, easiness in nozzle condensation and inconvenience in maintenance in the prior art. The linear evaporation source comprises a body provided with a cavity and a nozzle, and is characterized in that a slit which does not penetrate to the cavity is formed in the body, a heating source is arranged in the slit, and the heating source heats the body wall where the cavity is located. According to the design, efficient and uniform direct heating is achieved, heat is conducted through the body wall to effectively heat the nozzle to prevent condensation, and the modular structure is convenient to maintain. The slits are arranged at the bottom and the top or on the two side walls so as to optimize the thermal field and inhibit thermal radiation. In addition, a trunk-branch type heating network and an intra-cavity rectifying plate can be arranged or a plurality of units are integrated to form a co-evaporation source. The device is particularly suitable for evaporation of high-melting-point materials such as metal, and has the advantages of being high in heating efficiency, accurate in temperature control, good in film thickness uniformity and convenient and fast to maintain.

The invention relates to the technical field of crack detection, in particular to a porcelain insulator micro-crack infrared spectrum detection method and device capable of accurately sounding, and the method comprises the following steps: obtaining a temperature change rate sequence, screening a stable interval, establishing a thermal radiation synchronous identifier, generating a time index set, carrying out energy registration mapping based on the index set to form a registration structure body, and carrying out infrared spectrum detection on the registration structure body; analyzing the energy gradient to identify the crack boundary to generate a three-dimensional coordinate set, and reconstructing voxel to analyze the crack morphology to generate a three-dimensional mapping set. According to the method, a crack voxel structure in a three-dimensional space is constructed by constructing an infrared acquisition time index, screening a radiation state stable section, combining multi-channel energy peak-valley comparison and space coordinate mapping and by means of an energy gradient distribution analysis and space clustering recognition mechanism; the synchronous and accurate acquisition of key characteristics such as crack position, shape, direction and depth is realized, and the comprehensive capability of spatial positioning, depth identification and crack penetration trend discrimination of the porcelain insulator microcrack is obviously improved.

The invention discloses a multi-heat-source digital twin model automatic optimization and decoupling control method and system, and the method comprises the steps: constructing a local two-dimensional plane coordinate system, obtaining the end point coordinates of heat sources, and calculating the heat radiation intensity of the heat sources to a target point; establishing a geometric parameter model of the additive manufacturing multi-heat-source system, and establishing a radiation field response model of the multi-heat-source system based on a linear superposition principle; according to the heating requirement of additive manufacturing, a target heat radiation field is designed, optimal power distribution of the target heat radiation field is calculated, and optimal heat source structure parameters are determined based on geometric constraints of a physical basis; and according to the optimal heat source structure parameters, a decoupling control rule is designed, and heat source power is adjusted according to feedback data to compensate deviation. According to the method, the point heat source, the line heat source and the plane heat source are abstracted into the line heat source in a unified mode, a universal frame is provided for digital modeling of a complex multi-heat-source system, and the complexity of modeling for different heat source types is avoided.

The utility model relates to the technical field of packaging bags, and discloses a portable packaging bag which comprises a packaging bag body, sealing strips are connected to the front end and the rear end of the inner wall of the packaging bag body in an adhering mode, a first handle is fixedly connected to the front end of the packaging bag body, and a second handle is fixedly connected to the rear end of the packaging bag body. The packaging bag body comprises an outer layer, a first thermal insulation layer, a buffer layer and an inner layer. According to the hand-held packaging bag, the air bag of the buffer layer and the polyurethane foam in the buffer layer enable the buffer layer to play a role in heat preservation while buffering, the aluminum foil of the first heat insulation layer is excellent in reflection performance and can reflect a large amount of heat radiation and reduce outward heat dissipation, and the buffer layer and the first heat insulation layer are matched with each other, so that the heat preservation effect of the packaging bag is greatly improved; the outer layer and the inner layer are both made of recycled paper, the recycled paper is low in manufacturing cost and has a certain waterproof effect, the waterproof function can be achieved on the premise that the strength is guaranteed, and the packaging bag is more energy-saving and environmentally friendly.

The utility model discloses an aerosol generating device, comprising: a chamber defining a chamber for accommodating an aerosol generating product, the chamber having a first open end and a second open end oppositely arranged along its length direction, the first open end being used for providing an inlet for the aerosol generating product to enter the chamber; the light source is used for generating heat radiation; the cell is used for providing electric energy for the light source; the light transmitting piece covers the light source; the light source is provided with a first position and a second position relative to the cavity, and when the light source is located at the first position, the light source and the second opening end are staggered; and when the light source is located at the second position, the light source is opposite to the second opening end of the cavity, so that the light source transmits heat radiation into the cavity through the second opening end to heat the aerosol generating product to generate aerosol. In this way, residues or condensate falling onto the light-transmitting part can be effectively reduced, and the situation that the heating efficiency of the light source is reduced due to the fact that heat radiation generated by the light source is shielded is relieved.

The invention discloses a spectrum standardization method and system under the influence of a multi-dimensional environment, and relates to the field of spectrum data standardization. The method comprises the following steps: firstly, carrying out single-point spectrum acquisition on a target object, acquiring apparent radiation brightness spectrum data of the target object and temperature data of the surface of the target object according to an acquisition position, and acquiring geometric parameters when spectrum acquisition is carried out on the target object; replacing the target object with a standard reference plate, and acquiring apparent radiation brightness spectral data of the standard reference plate according to the central position of the standard reference plate; then, utilizing a thermal radiation-reflectivity decoupling method based on iterative calculation to obtain reflectivity spectral data of the surface of the target object after preliminary correction; and finally, obtaining a BRDF model and determining parameters, and obtaining geometric standardized reflectivity spectrum data by using the model and the reflectivity spectrum data to complete spectrum standardization. The system can cope with imaging conditions such as various temperatures, illuminance and zenith angles.

The utility model relates to the technical field of thermal radiation testing equipment, and particularly provides a surface thermal radiation testing device, which comprises a fixed bracket, a heating substrate and a first receiving substrate, and is characterized in that the fixed bracket is provided with a hollow cavity; the emission substrate is vertically arranged in the hollow cavity; the emission substrate is used for emitting heat radiation; the first receiving substrate is located on one side of the transmitting substrate, and the first receiving substrate is vertically arranged in the hollow cavity; a first test space is formed between the transmitting substrate and the first receiving substrate; the transmitting substrate and the first receiving substrate respectively form a thermocouple structure, and the surface thermal radiation value of the to-be-detected material placed in the first testing space is obtained through comparison and calculation. The transmitting substrate and the first receiving substrate of the surface heat radiation testing device are both vertically arranged in the hollow cavity, and the centers of the transmitting substrate and the first receiving substrate are positioned on the same axis and are aligned, so that the result of each test can be repeated.

The utility model discloses a preparation equipment of directional heat radiation refrigeration material relates to radiation refrigeration material preparation technical field, including preparation bucket and stirring mechanism, the stirring mechanism installs inside the preparation bucket, the stirring mechanism includes motor shell no.

The invention discloses a basin-type insulator superficial air gap defect detection method, system and device and a medium, and belongs to the technical field of defect detection.The method comprises the steps that a basin-type insulator sample is processed, the processed basin-type insulator sample is detected and judged, and feature data are obtained; judging the characteristic data according to the surface temperature difference, and obtaining a defect area and a non-defect area of the basin-type insulator sample; evaluating a detection signal emitted during detection of the thermal radiation threshold pair of the defect area and the non-defect area to obtain an evaluation result; and summarizing an evaluation result, and constructing a detection standard. The problems that in the prior art, sensitivity is low, environmental influence is likely to happen, and destructiveness exists are solved.

The utility model discloses an industrial furnace with drying and sintering co-processing hazardous waste, which comprises a sintering and drying mechanism, a cooling kiln is arranged at the head end of the sintering and drying mechanism, and the sintering and drying mechanism is communicated with a flue gas processing mechanism through a flue gas conveying pipe. According to the industrial furnace with the drying and sintering co-processing function for hazardous waste, through cooperative work of the sintering and drying mechanism and the flue gas processing mechanism, hot flue gas exhausted from the sintering furnace does not make contact with materials, and wet materials are indirectly dried through heat radiation generated by the exhausted high-temperature flue gas, so that the flue gas does not generate dioxin components, and therefore the drying and sintering co-processing function is achieved. Meanwhile, the flue gas can be subjected to dust removal, denitration, desulfurization and white elimination treatment, damp and hot gas exhausted from the drying kiln is led out from the kiln tail of the drying kiln through the first induced draft fan and then enters the sintering kiln to be subjected to secondary combustion treatment, the waste flue gas does not contain dioxin, and harmless production is achieved.

The invention discloses an environment situation scanning three-dimensional reconstruction method based on infrared and SLAM, and belongs to the technical field of computer vision and three-dimensional reconstruction. According to the method, thermal radiation information and environment image information of a target environment are obtained through infrared sensing and visual imaging respectively, after feature extraction and matching processing are conducted on the two kinds of information, synchronous positioning and map construction are completed, and environment pose data and environment map data are generated; a sensing uncertainty probability model is established, after multi-source data denoising is completed through Bayesian filtering, feature level fusion is carried out to obtain fusion environment data, and finally a three-dimensional reconstruction model of a target environment is constructed based on the fusion environment data. According to the method, the full-process closed loop of environment situation scanning and three-dimensional reconstruction is realized, the application limitation of single sensing information is made up, the comprehensiveness of environment sensing data and the scene adaptability of three-dimensional reconstruction are improved, and the digital reconstruction requirements in various complex environments can be met.