104 results about "Radiation temperature" patented technology

The invention discloses a cable channel heating defect checking method based on a multi-legged inspection robot, and relates to the technical field of radiation temperature measurement, and the method comprises the steps: controlling the multi-legged inspection robot to autonomously advance in a cable channel, and collecting multi-source sensing data; constructing spatial-temporal feature representation of the cable channel based on the multi-source sensing data, and constructing a multi-modal graph neural network model to perform heating anomaly detection to obtain an initial detection result; when a suspected defect exists in the initial detection result, a multi-legged inspection robot is scheduled, a reinspection path and a detection mode are selected according to a reinforcement learning strategy, and a multi-modal graph neural network model is used for performing close-range reinspection on the position of the suspected defect; and performing fusion analysis on the initial detection result and the reinspection result, and outputting positioning information, defect type and confidence of the heating defect of the cable channel. According to the method, high-sensitivity identification of potential heating anomalies is realized, the missing report rate is remarkably reduced, the reinspection efficiency is improved, and repetition and omission are effectively avoided.

The invention relates to the technical field of infrared measurement, in particular to an intelligent calibration method and system for temperature measurement of an infrared sensor, and the method comprises the steps: enabling an infrared camera to align with a blackbody radiation source to form a calibration scene, collecting the output of a plurality of groups of pixels under different radiation temperatures and different internal part temperature states, fitting a temperature signal response model containing an exponential term and a bias term according to least square to obtain amplitude, exponential, temperature offset and output bias parameters; during measurement, a thermal image containing a target object and two reference blackbody sources is obtained, and parameters such as emissivity, environment equivalent radiation temperature, transmission medium and optical transmission, camera temperature and the like are synchronously obtained; performing non-uniformity and offset correction and abnormal pixel replacement on the thermal image; the initial temperature is inverted based on radiation transfer decomposition and compensation of internal radiation of the camera; and carrying out statistical averaging on the temperatures of the two blackbody reference regions to obtain a double-point correction coefficient, and outputting correction temperature or temperature distribution. According to the method, the problems that temperature inversion model parameters are difficult to adaptively update along with working conditions and on-site temperature measurement errors are difficult to effectively suppress when an existing infrared sensor array is in a long-distance non-contact temperature measurement scene can be solved.

The invention discloses a biological tissue internal temperature microwave chromatography method and system, and belongs to the technical field of microwave measurement. The problem that the internal temperature of the biological tissue cannot be accurately obtained by adopting a microwave radiation temperature measurement technology nowadays is solved. The method comprises the following steps: acquiring environmental thermal radiation rates under different environmental conditions, and acquiring temperature distribution data of a human tissue profile to be subjected to temperature measurement along with depth change under different environmental conditions by utilizing a real three-dimensional anatomical model, a heat conduction equation and a thermal radiation equation of the human tissue to be subjected to temperature measurement; calculating dielectric constants of the human tissue to be subjected to temperature measurement under different frequencies, and obtaining radiation brightness temperature data of different frequencies under different environmental conditions by combining the temperature distribution data and a real three-dimensional anatomical model of the human tissue to be subjected to temperature measurement; constructing a brightness temperature-temperature conversion matrix by adopting a least square method; and acquiring brightness temperature data of different frequencies of human tissue to be subjected to temperature measurement, substituting the brightness temperature data into the brightness temperature-temperature conversion matrix, and performing inversion to obtain temperatures of different depths of the human tissue to be subjected to temperature measurement. The method is suitable for temperature measurement.

The invention discloses a boiler furnace three-dimensional combustion temperature field reconstruction method and system, and the method comprises the steps: S1, multi-mode sensing network deployment, S2, time-space synchronization data collection, S3, sound wave flying time extraction and acoustic modeling, S4, flame image processing and radiation temperature conversion, S5, three-dimensional temperature initial field generation, and S6, multi-mode joint objective function construction. S7, carrying out regularization constraint iteration solution; and S8, carrying out three-dimensional temperature field visualization output. According to the method, high penetrability and sensitivity of sound waves to medium temperature and rich radiation information contained in flame images are fully utilized, and the precision and spatial resolution of temperature field reconstruction are remarkably improved by establishing a joint objective function and performing collaborative optimization. Meanwhile, a regularization method and an adaptive filtering technology are introduced, interference caused by measurement noise and uncertain problems is effectively suppressed, and the stability and robustness of the reconstruction process are enhanced.

The invention provides an injection mold temperature field regulation and control method and device based on multi-sensor fusion, and the method comprises the steps: recognizing a non-uniform region based on a surface radiation temperature distribution image, discrete point temperature data, an instantaneous heat flow direction and heat flow intensity information; based on each non-uniformity area and the heating and cooling unit adjacent to the non-uniformity area, constructing a space mapping relation, and based on the space mapping relation, the instantaneous heat flow direction and the heat flow intensity information, generating a heat flow path guide instruction; triggering a corresponding heating and cooling unit to execute alternate heating and cooling operation according to a preset phase difference based on the heat flow path guide instruction, so that the heat flow directionally migrates in the non-uniform region along a specified path; and monitoring that the temperature gradient change trend of each non-uniform area tends to be uniform based on a dynamic heat balance state formed by the heat flow after directional migration in the mold, and entering a steady-state maintenance mode. According to the invention, high-precision sensing and dynamic cooperative regulation and control of the global temperature field of the injection mold are realized.

The invention relates to the technical field of unmanned aerial vehicle detection and security and protection, and discloses a low-altitude unmanned aerial vehicle dual-mode detection method based on micro Doppler radar and infrared thermal imaging. According to the method, a monitoring area is continuously scanned through a micro-Doppler radar, and when a suspected target with the signal intensity lower than a preset threshold value is recognized, an infrared thermal imaging device is triggered to be started. The infrared device directly adjusts the orientation and focuses to a specific area according to the target orientation and distance information provided by the radar, and obtains a high-resolution thermal imaging sequence. And then the radiation temperature distribution, the temperature gradient and the thermal profile morphological characteristics of the target are analyzed, and final judgment is completed. According to the invention, on-demand starting and rapid and accurate guiding of the infrared sensor are realized, the overall power consumption of the system is reduced, and the cooperative detection response speed and the identification precision of the rapid moving target are improved at the same time.

The invention discloses a temperature control method, device and equipment for semiconductor equipment and a storage medium, and relates to the technical field of temperature control, and the method comprises the steps: calculating the equivalent radiation temperature of the brightness of a slit cavity observation band based on the brightness of the slit cavity observation band in an edge infrared observation annular region of a rapid heat treatment furnace and the surface emissivity of a wafer; solving the equivalent temperature of the inner edge of the quartz clock cover; on the basis of the equivalent radiation temperature and the equivalent temperature of the inner edge of the quartz clock cover, net radiation heat incoming power transmitted to a wafer edge belt of the wafer by an annular slit radiation cavity in the rapid heat treatment furnace is calculated; and solving a target lamp area power replacement vector of the rapid heat treatment furnace based on the net radiation heat incoming power. According to the invention, the initiative and accuracy of wafer edge temperature control can be improved.

The invention relates to the technical field of infrared temperature measurement, and particularly discloses an infrared radiation temperature measurement system based on a point detector, which is used for solving the problems that in a 200-1200 DEG C heating furnace, infrared temperature measurement of an existing point detector cannot dynamically select a point detector and a filtering wave band along with the state of a hearth, accurate measurement, quick response and long-term calibration of a wide temperature region are difficult to meet at the same time, and the accuracy of temperature measurement is low. The device comprises an optical platform, an optical path switching unit is arranged on the optical platform, the optical path switching unit is connected with a plurality of optical inlets, the optical inlets are converged to a main optical axis, and a dynamic narrow-band filter and a point detector selection module are sequentially arranged on the main optical axis; through adaptive selection of the dynamic filtering wave band and the point detector, multi-spectrum fusion inversion and an online self-calibration mechanism, the temperature measurement error and drift are reduced under the conditions of wide temperature range, high flue gas interference and long-term continuous operation, and the precision, response speed and reliability of temperature measurement of the heating furnace are improved.

The invention relates to a thermal exposure risk calculation method based on urban trip people flow and built environment dynamics, and the method comprises the steps: obtaining the average radiation temperature calculation input data of an urban environment, and calculating the average radiation temperature of the urban environment according to the average radiation temperature calculation input data; calculating general thermal climate index distribution of the urban environment based on the average radiation temperature, and determining a thermal exposure time period based on the general thermal climate index distribution so as to obtain thermal exposure duration according to the thermal exposure time period; and acquiring the hourly travel pedestrian flow of the urban environment, counting the accumulated travel pedestrian flow in the thermal exposure time period based on the hourly travel pedestrian flow and the thermal exposure time period, and calculating the thermal exposure risk according to the accumulated travel pedestrian flow. Therefore, the problems that in the related technology, due to dependence on static population data, the people flow dynamic state of urban day and night travel with high temporal-spatial resolution is difficult to reflect, and a thermal risk calculation result based on the static population data cannot meet the requirements of urban space environment exposure refined analysis and early warning are solved.

The invention discloses a multi-spectral radiation temperature measurement method and system for improving a quantum particle swarm, relates to the field of radiation temperature measurement and photoelectric signal processing, and solves the problems that when an existing standard PSO algorithm is applied to high-dimensional and nonlinear multi-spectral inversion, local extreme values are likely to be trapped, and the self-adaptive capacity is poor. Setting parameters, generating an initial particle position by using Tent chaotic mapping, calculating the particle fitness of an initialized population, updating initial individual optimum and global optimum, and calculating an average optimal particle position; updating the optimal particle position through a Levy flight mechanism; and repeating the steps, calculating the multispectral radiation temperature measurement target function value of the updated position, updating the initial individual optimum and the global optimum, and if an error threshold value or the maximum number of iterations is met, outputting the global optimum solution. The method is also suitable for the application field of inverting the real temperature and the spectral emissivity of the target from the multi-channel spectral radiation signals and the like.

The invention relates to the technical field of sugarcane spica monitoring, and discloses a sugarcane spica flowering intelligent monitoring system, which is characterized in that a hyperspectral image and an infrared image are acquired, the hyperspectral image and the infrared image are acquired and registered into a multi-source image data set, and a spica area binary mask image is segmented; extracting morphological structure characteristics, spectral reflection characteristics and thermal radiation characteristics, calculating a visibility index KJ, a wave band reflectivity BS and a radiation temperature value FP based on the extracted characteristics, calculating a determination value P, and comparing the determination value P with a hybridization threshold ZY; according to the method, the hyperspectral image and the infrared image of the sugarcane spica are collected, the hyperspectral image obtains the fine spectral reflection characteristics of the sugarcane spica so as to analyze the physiological state of the sugarcane spica, and the infrared image is used for assisting in obtaining the overall shape, contour and thermal radiation information of the spica, and especially, the image characteristics are enhanced in a weak light environment; therefore, the sugarcane spica area can be accurately identified, and the effective distinguishing between the spica and the background can be realized.

The invention provides a multiband intelligent radiation temperature control device, which realizes multiband intelligent radiation temperature control through innovative design, and is characterized in that a first micro-unit and a second micro-unit with different characteristic lengths are adopted in an optical functional layer, and according to an electromagnetic resonance theory, the first micro-unit with the long characteristic length is matched with a far infrared band wavelength, and the second micro-unit with the long characteristic length is matched with a far infrared band wavelength; the far infrared radiance can be modulated along with the change of the external temperature, and the second micro-unit with the short characteristic length is adaptive to a middle infrared band to realize corresponding radiance modulation; meanwhile, large-area temperature control uniformity is guaranteed through array arrangement of the modulation areas, and environment adaptability is enhanced through combination of the protection layer and the optical function layer. Compared with a traditional single-band temperature control device, the design breaks through band limitation, achieves mid-infrared and far-infrared dual-band cooperative regulation and control, can respond to environment temperature changes in real time, improves the temperature control precision and dynamic performance, and effectively solves the problems that in the prior art, temperature control is not accurate in a complex environment, and the application scene is single.

The application discloses a kind of air conditioning system based on radiation temperature control, belong to high-efficiency energy-saving technical field, comprising: temperature controller, for adjusting the temperature of building indoor, the working mode of the temperature controller includes refrigeration mode and heating mode;Variable temperature adjustable metal ceiling radiation heat exchange plate is used to adjust the cold and hot radiation of building indoor, to ensure that the cold and hot radiation of building indoor is balanced.The present application detects the temperature change of inner and outer wall to determine the temperature difference of inner and outer radiation, and automatically adjusts the temperature of variable temperature adjustable metal ceiling radiation heat exchange plate according to the indoor temperature and humidity, so that the indoor temperature is balanced, and a more comfortable indoor environment is obtained, so that the human body obtains the comfort of natural constant temperature, and the flow rate of air is formed by active pushing of convection system, so that heat exchange is obtained, so that the human body in the room is not easy to feel hot and cold or overcooling and overheating.

The application discloses a PET plastic modification method and application of modified PET plastic in asphalt modification, and relates to the technical field of road engineering materials.The PET modification method comprises the following steps: (1) PET is subjected to microwave radiation treatment to realize PET depolymerization, and PET oligomer is obtained; and (2) soybean oil is subjected to grafting reaction with the PET oligomer to obtain grafted modified PET; the microwave radiation treatment is carried out under normal pressure, the radiation frequency is 2.45 GHz, and the radiation temperature is 200-300 DEG C.The PET is subjected to depolymerization by using the microwave depolymerization technology, the efficient depolymerization of the PET can be realized under normal pressure in a very short time of 2-10 min, then the PET after the microwave depolymerization is subjected to grafting modification by using soybean oil as raw material, the waste soybean oil raw material can be used, the resource utilization of the waste soybean oil raw material is realized, and the problems of phase separation and performance degradation of the PET modified asphalt material are solved.

A low-stress temperature control device of a satellite-borne optical reflector comprises an optical reflector, a flexible core shaft, a reflector back plate, a radiation temperature control plate, a temperature control flexible supporting column, a heating assembly, a thermistor and a thermal control multi-layer heat insulation assembly. The optical reflector is installed in a suspended mode through the flexible mandrel, flexible glue bonding, radiation temperature control and the like, the temperature adaptability is improved, and the influence of a temperature control device on the surface type of the optical reflector is reduced. And the reflecting mirror surface adopts silver and a dielectric film, and the area except the reflecting surface is coated with a plurality of layers of heat insulation components, so that the adaptability of the device to a complicated and changeable space heat flow environment is improved. In a limited rotation angle range of the reflector, through asymmetric layout of a long axis and a short axis, the emission height size is reduced. The method can be applied to a space pointing mechanism, is suitable for occasions where out-cabin height direction resources are limited such as a flat plate type satellite platform, has the advantages of being good in space environment adaptability, low in launching envelope and flexible in application, and is suitable for various orbit application scenes.

The invention belongs to the technical field of target characteristic measurement, and particularly relates to a light and small three-light hyperspectral imaging device for target characteristic measurement and a calibration method. The device comprises a visible near-infrared hyperspectral imager, a visible light camera, a long-wave infrared camera, a one-dimensional turntable and a tripod. The visible light camera and the long-wave infrared camera are integrated on the hyperspectral imager, and the three optical axes are consistent. The visible and near-infrared hyperspectral imager is installed on the one-dimensional rotary table to achieve push-scanning, and an internal light path of the visible and near-infrared hyperspectral imager passes through the front lens assembly, the folding-axis lens assembly, the slit assembly, the Dyson prism assembly, the rear lens assembly and the grating assembly, then is reflected by the grating assembly, sequentially passes through the rear lens assembly and the Dyson prism assembly to be folded and then is incident to an image plane of the detector assembly. The long-wave infrared camera obtains the target radiation temperature. The problems that an existing device is large in size, heavy in weight, low in integration level and poor in optical axis consistency are solved.

The application discloses an air conditioning equipment, comprising a sensing module, a first feature parameter acquisition module, a second feature parameter acquisition module, a target parameter acquisition module and a prediction module; wherein the first feature parameter acquisition module is configured to obtain the clothing level, the felt wind speed and the indoor environment background radiation temperature of the test human target based on the thermal image; the second feature parameter acquisition module is configured to obtain the environment temperature and the environment humidity of the indoor environment; the target parameter acquisition module is configured to obtain the combination of the felt temperature and the felt humidity of the test human target, and to represent the target label of each combination with an integer index; the prediction module has a prediction model generated based on the clothing level, the felt wind speed, the background radiation temperature, the environment temperature, the environment humidity and the target label. The integer index corresponding to the maximum probability value output by the prediction model is the output human target comfort level category. When dealing with a small sample environment, the air conditioning equipment provided by the application can effectively reduce the overfitting risk.

The invention discloses an infrared radiation temperature measurement calibration method and system, the method can be applied to an infrared radiation calibration system, and the system can comprise black body equipment, an infrared radiation thermometer, a thermal insulation sleeve, a thermostatic bath and a processing device. The method comprises the following steps: sequentially sending M target temperatures to black body equipment, and sequentially sending N preset environment temperatures to a thermostatic bath at each target temperature; wherein M and N are integers greater than or equal to 1. And acquiring real-time environment temperatures and real-time light intensity voltage values acquired by the infrared radiation thermometer when the black body equipment is at different target temperatures and the thermal insulation sleeve is at different preset environment temperatures. And performing fitting processing on the M target temperatures, and the real-time environment temperatures and the real-time light intensity voltage values collected at different target temperatures and different preset environment temperatures based on a preset fitting algorithm to obtain a calibration coefficient. The objective of the invention is to solve the problem of low efficiency of manually setting a blackbody radiation source in an infrared radiation calibration mode.

This prevents incorrect correction values ​​from being set when using a radiation thermometer on a substrate processing device to control the temperature of a wafer. [Solution] The management device includes a registration unit that registers a correction table in which the instrument error data of each radiation temperature measuring instrument relative to a reference radiation temperature measuring instrument and information identifying each radiation temperature measuring instrument are associated, and a transmission unit that, when it receives a request for a correction table including information identifying the specific radiation temperature measuring instrument from a substrate processing device to which a specific radiation temperature measuring instrument is attached, transmits a correction table corresponding to the information identifying the specific radiation temperature measuring instrument to the requesting substrate processing device.

A vehicle includes a system configured to supply air to a cabin of a vehicle at a target discharge temperature. One or more solar sensors configured to sense a solar radiation on the cabin and one or more temperature sensors configured to sense air within the cabin. A controller is configured to receive a user set temperature, obtain a solar heat load from one or more outputs of the one or more solar sensors, and obtain a feedback temperature from one or more outputs of the one or more temperature sensors. The controller is further configured to determine a radiation temperature corresponding to radiative heat transfer into the cabin, the radiation temperature being a function of the feedback temperature and the solar heat load. The controller may then set the target discharge temperature according to the user set temperature, the feedback temperature, and the radiation temperature.

The invention provides an active air supply type transformer substation main transformer chamber cooling method and system, and the method comprises the steps: obtaining an oil temperature set value Ts, a top oil temperature measurement value Tc, and a radiation temperature Td, calculating a temperature difference value delta T according to Ts and Tc, calculating a correction value delta T according to Td through a proportional function Fw, and inputting the difference value between the temperature difference value delta T and the temperature correction value delta T into a PID algorithm, temperature control feedback used for adjusting the air supply amount is output; the PID algorithm comprises a proportionality coefficient Kp, a differential coefficient Kd and an integral coefficient Ki, and the integral coefficient Ki is equal to 0. According to the method, the integral part in the PID algorithm is deleted, and the correction value delta T is introduced, so that the corrected temperature difference value delta T is directly associated with the top oil temperature measurement value Tc, and frequent start and stop of the fan are avoided while the response speed of the fan for cooling is increased.

This invention provides a liquid metal homogenizing blackbody furnace based on induction heating, belonging to the technical field of infrared radiation temperature measurement equipment. It includes a coaxial graphite tube, liquid metal, insulation material, a water-cooled coil, a temperature measuring device, and a high-frequency power control module. The coaxial graphite tube consists of an inner and outer graphite tube, forming an annular gap between them. The inner cavity of the inner graphite tube constitutes the blackbody cavity. The liquid metal fills the annular gap, generating eddy current heat under an alternating magnetic field. The insulation material covers the outer graphite tube. The water-cooled coil is wound around the outside of the insulation material. The temperature measuring device is attached to the wall of the coaxial graphite tube. The high-frequency power control module is electrically connected to the water-cooled coil to provide high-frequency current, causing it to generate an alternating magnetic field. This invention achieves high spatial temperature uniformity and long-term operational stability of the blackbody radiation cavity wall at high temperatures without relying on precise coil arrangement or mechanical motion compensation.

The invention discloses air conditioning equipment which comprises a sensing module, a first characteristic parameter acquisition module, a second characteristic parameter acquisition module, a target parameter acquisition module and a prediction module. Wherein the first characteristic parameter acquisition module is configured to acquire a dressing grade, a somatosensory wind speed and an indoor environment background radiation temperature of a tested human body target based on a thermal image; the second characteristic parameter acquisition module is configured to acquire the environment temperature and the environment humidity of the indoor environment; the target parameter acquisition module is configured to acquire combinations of target sensible temperature and sensible humidity of a tested human body, and an integer index is used for representing a target label of each combination; the prediction module is provided with a prediction model generated based on the dressing grade, the somatosensory wind speed, the background radiation temperature, the environment temperature, the environment humidity and the target label. The integer index corresponding to the maximum probability value output by the prediction model is used for outputting the human body target comfort degree category. When a small sample environment is dealt with, the air conditioning equipment provided by the invention can effectively reduce the over-fitting risk.

The invention discloses an ultrahigh-temperature blackbody cavity radiation source self-adaptive closed-loop temperature control method and system, and belongs to the field of radiation temperature control, and the method comprises the following steps: S1, collecting a multi-source observation signal of a blackbody cavity in real time, carrying out the time domain alignment processing of the multi-source observation signal to eliminate the dynamic response lag, and carrying out the time domain alignment processing of the multi-source observation signal; performing frequency domain decomposition to separate out a high-frequency component for temperature tracking and a low-frequency component for emissivity identification; s2, constructing a state space observation model, and operating a nonlinear state estimation algorithm based on the state space observation model to update a temperature estimation value and an effective emissivity estimation value; and S3, performing compensation calculation on the target radiation exitance based on the effective emissivity identified in real time, generating a compensation temperature, generating a final heating power instruction, identifying a fault type according to a time-varying feature of an effective emissivity estimation value, and triggering a corresponding maintenance instruction, thereby improving the accuracy of adaptive precise temperature control of the ultra-high temperature black body cavity radiation source.

The application discloses a kind of spectral modulation radiation temperature measuring device and method, belongs to optical radiation temperature measuring technical field.For the problems, such as limited spectral channel, difficult to realize single-exposure multi-channel synchronous acquisition, temperature measuring stability and insufficient inversion robustness of existing radiation temperature measuring technology under long-distance, high dynamic and complex background conditions, the present application sets up wide-spectrum modulation optical window at the incident end, and combines wide-spectrum modulation multi-modal spectral chip, to synchronously acquire multi-channel wide-spectrum modulation radiation image under single exposure;Pretreatment is carried out using system on chip, and wide-spectrum modulation response model, emissivity spectral basis expansion model and time domain regularization are fused in temperature inversion calculation platform, to realize stable inversion of real temperature field, emissivity distribution and temperature rising sequence, suitable for non-contact temperature measurement in long-distance high-temperature target and other fields.

The invention discloses a radiation adaptive shielding nuclear power distribution monitoring system, which relates to the technical field of nuclear power safety and intelligent monitoring and comprises a multi-physical field sensing layer, a digital twin central layer, a collaborative execution layer and a closed-loop control layer. The multi-physical field sensing layer collects radiation, temperature, vibration and crack data; the digital twinborn central layer constructs a three-dimensional model, the residual life is predicted based on a multi-physics coupling algorithm, and the algorithm comprises a formula integrating radiation, temperature, vibration and crack damage factors; the collaborative execution layer comprises an MXene self-repairing shielding body and an SMA-hydraulic collaborative driving dynamic shielding device which are respectively used for realizing self-repairing and rapid adjustment of shielding thickness; and the closed-loop control layer feeds back the correction model and optimizes parameters. The method breaks through the limitation of traditional passive protection, achieves the dual functions of self-repairing and intelligent adjustment, improves the service life prediction accuracy, prolongs the service life of the shielding body, shortens the response time, and improves the reliability and economical efficiency of the system.

This technology provides a way to suppress the decrease in accuracy of temperature measurements. [Solution] A wavelength selection method for a system that measures temperature based on a first optical component and a second optical component spectrally separated from synchrotron radiation of an object to be measured 100, comprising the steps of: obtaining a first spectral emissivity showing the relationship between wavelength and emissivity at a first temperature, and a second spectral emissivity showing the relationship between wavelength and emissivity at a second temperature different from the first temperature, for a reference object of the object to be measured 100; obtaining a wavelength band in which the difference between the emissivity of the reference object at the first temperature and the emissivity of the reference object at the second temperature is less than or equal to a predetermined threshold, based on the first and second spectral emissivity; and selecting the first wavelength and the second wavelength from the wavelength band.

The application discloses an infrared radiation temperature measurement calibration device and method. The device comprises a guide rail and a temperature measurement instrument. The temperature measurement instrument is used to collect the radiation energy released by a calibration radiation source according to a calibration temperature. The guide rail is used to determine the calibration distance between the calibration radiation source and the temperature measurement instrument. The temperature measurement instrument is configured to collect the radiation energy, output a first calibration result based on the calibration temperature of each first calibration process in a plurality of first calibration processes and the first radiation energy value collected at the calibration temperature of each first calibration process under the condition of a fixed calibration distance, and output a second calibration result based on the calibration distance of each second calibration process in a plurality of second calibration processes and the second radiation energy value collected at the calibration distance of each second calibration process under the condition of a fixed calibration temperature. The application can reduce the temperature measurement error caused by the change of the brightness measurement distance and improve the infrared radiation temperature measurement calibration efficiency.

The invention discloses a synchronous acquisition circuit of a photoelectric detection array for line scanning radiation temperature measurement, and relates to the field of radiation temperature measurement of an aero-engine turbine assembly. The photoelectric detection array and synchronous acquisition circuit comprises a power supply module, a photoelectric detection module and a multi-channel synchronous acquisition module. The power supply module provides a stable and reliable low-voltage direct-current power supply for each functional module of the system, and has the functions of power supply polarity protection and voltage stabilization; the photoelectric detection module comprises a linear indium gallium arsenic photodiode array detection unit and a sixteen-channel amplification filter circuit, infrared radiation signals received by the detection unit are converted into electric signals, and high-gain and low-noise signal processing is achieved through a two-stage amplification structure. The multi-channel synchronous acquisition module comprises a data acquisition interface and a high-speed acquisition card and is responsible for realizing synchronous acquisition and high-speed transmission of multi-channel radiation intensity signals, and data selection, storage and preprocessing are completed by a computer.

The utility model discloses a manganese alloy additive development and storage device which comprises a storage box body, a heat preservation box body and an anti-radiation box body, the heat preservation box body and the anti-radiation box body are sequentially arranged outside the storage box body, the storage box body and the heat preservation box body are installed in a clamped mode, and the anti-radiation box body and the heat preservation box body are bonded. The top end surface of the anti-radiation box body and the top end surface of the storage box body are both higher than the top end surface of the heat preservation box body, so that a sealing groove is formed by the top end surfaces of the anti-radiation box body, the storage box body and the heat preservation box body, the interior of the storage box body is kept dry, and manganese alloy additives can be better stored; through the arrangement of the separated storage frames, separated storage of the storage frames is achieved, accumulation storage is prevented, and effective dry ventilation protection is achieved; through the structural mode of the patent, the protective measures of ventilation, radiation protection, constant temperature and heat preservation of the manganese alloy additive are improved, and the use characteristics of the manganese alloy additive are guaranteed.