60 results about "Infrared thermometer" patented technology

An autonomous environmental regulation and behavioral monitoring system is disclosed, configured to adapt temperature, lighting, and acoustic conditions based on real-time emotional and physiological data. The system includes a dual-redundant central processor, hierarchical communication networks, multi-angle visual acquisition units, infrared thermometers, and modular environmental subsystems. It detects posture, gestures, facial expressions, and thermal signals to classify user states and apply individualized airflow, light, and sound modulation without relying on external internet connectivity. The system also monitors connected appliances using voltage-based pressure analysis to forecast device degradation. With integrated gesture recognition, privacy-preserving data handling, and predictive adaptation, the invention enables multi-user personalization, long-term learning, and uninterrupted operation within residential, administrative, or healthcare infrastructures.

The invention discloses an extrusion production process for an aluminum alloy multi-cavity profile. The extrusion production process comprises the following steps that S1, raw materials are prepared; s2, designing and manufacturing a mold; s3, pretreatment before extrusion; s4, extrusion forming; s5, cooling treatment; s6, straightening and finishing; s7, aging treatment; and S8, detecting and packaging. According to the invention, the friction is further reduced by adopting a special high-temperature lubricant and an ultrasonic vibration device in the pre-extrusion pretreatment, the precise control is realized by arranging real-time monitoring and feedback systems such as a laser range finder and an infrared thermometer in the extrusion forming process, and the cooling treatment is realized by automatically adjusting parameters by adding a corrosion inhibitor and arranging a sensor, so that the production efficiency is improved. The cooling quality of the profile is ensured; laser scanning and electrolytic polishing technologies are adopted for straightening and finishing, the straightening precision and the surface quality are improved, a circulating hot air system and a segmented aging mode are adopted for aging treatment, and the aging effect is improved.

The invention provides an intelligent adjusting clamping device and method for composite material resistance welding. The intelligent adjusting clamping device mainly comprises a control system, a resistance welding machine, a current sensor, an automatic clamping device, an image recognition system and an infrared thermometer. According to the device, the type of a composite material is automatically recognized through an image recognition system, and optimized welding parameters are called according to material characteristics; the automatic clamping device is provided with a telescopic and rotatable clamping arm, a pressure sensor is integrated in the clamping arm, accurate clamping can be achieved, and the clamping pressure can be monitored in real time; the infrared thermometer and the current sensor are used for monitoring the temperature and the current in the welding process, the control system achieves closed-loop adjustment of welding parameters based on sensor data, and therefore the welding quality is ensured. The device and method can remarkably improve the welding stability, efficiency and consistency of the composite material, and are widely suitable for high-performance composite material connection in the fields of aerospace, automobile manufacturing and the like.

The invention discloses a micro-scale tin soldering device and method for ultrasonic laser composite energy field coordinated regulation and control. The micro-scale tin soldering device comprises a coordinated energy output module, a multi-physical field monitoring module, a wire feeding module, an intelligent regulation and control system and a motion platform, and a workpiece to be welded is arranged on the motion platform; the collaborative energy output module comprises a laser unit, an ultrasonic vibration unit and a focusable focus lens, the ultrasonic vibration unit comprises an ultrasonic generator, and the multi-physical field monitoring module comprises an infrared thermometer, a high-speed holographic imaging system and an acoustic impedance sensor; the high-speed holographic imaging system is used for recording brazing filler metal molten pool flowing and IMC nucleation dynamic states; the acoustic impedance sensor monitors the ultrasonic energy transmission efficiency; the intelligent regulation and control system is electrically connected with the multi-physics field monitoring module, and a multi-physics field coupling prediction model based on an LSTM neural network is arranged in the intelligent regulation and control system. According to the technical scheme, the structural design is reasonable, the energy field coupling efficiency is high, the material adaptability is high, the structure performance is controllable, the defect rate is remarkably reduced, and practicability is good.

The invention discloses a photovoltaic cable health state assessment method and system, and the system comprises a signal collection module which is disposed at a key node of a cable, and comprises an ultra-wideband pulse sensor, an infrared thermometer, and an illumination sensor; the edge processing module is used for constructing a state characteristic curve and identifying a target sample time interval; the cloud analysis engine is used for executing defect contribution simulation value extraction and thermal-electric coupling model iterative optimization; according to the scheme, multi-dimensional signals such as current, voltage, partial discharge pulse, temperature and illumination intensity are synchronously collected through a distributed sensor network, a multi-parameter evaluation system including amplitude, phase and temperature is constructed, and the health state level, the defect position distribution and the simulation value change trend are displayed through multi-dimensional signal fusion and multi-parameter analysis. And the detection accuracy and comprehensiveness are improved.

The invention discloses a laser additive manufacturing system and method for in-situ self-adaptive regulation and control of the component shape through a temperature field and an airflow field. The laser additive manufacturing system comprises a sealed protection cavity, a master control unit, a temperature field monitoring-control unit and an airflow field monitoring-control unit. The temperature field monitoring-control unit comprises an infrared thermometer, a thermocouple temperature measuring element and an induction heating coil; and the airflow field monitoring-control unit comprises a protective gas pipeline, an electromagnetic flow regulating valve, an oxygen content monitor and a vacuum air filter. The master control unit comprises a temperature field control module and an airflow field control module. The master control unit conducts in-situ self-adaptive regulation and control on the temperature field of laser additive manufacturing through the temperature field control module, distribution of the temperature field in the whole process of additive manufacturing is improved, the temperature gradient of a molten pool in the laser additive manufacturing process is reduced, the forming defect is improved, and the material performance is improved.

The utility model discloses concrete slump detecting and adjusting equipment in a concrete truck. The night vision camera is arranged to shoot images of concrete, the infrared thermometer is arranged to detect the temperature of the concrete, the dryness and humidity sensor is arranged to detect the dryness and humidity in the stirring tank body, and a driver of the concrete truck observes the images through the display control device. And whether the slump of the concrete is insufficient or not is judged by combining temperature and humidity data, and when the slump of the concrete is insufficient, the display control device can control the adjusting valve and the hydraulic pump to output quantitative slump adjusting liquid into the stirring tank body, so that the slump of the concrete in the concrete transport vehicle is detected and adjusted more accurately.

The invention relates to a temperature-adjustable laser material reduction device and method.The device comprises a base, a second support, a temperature control part, a moving platform, a first support, a laser emitting part, a temperature adjusting part and the like, and the method comprises the steps of component heating, femtosecond laser material reduction machining, real-time temperature control and evaluation optimization; through the PID temperature controller and the infrared temperature detector, the temperature of the surface of the metal component can be accurately controlled, surface defects and residual stress caused by temperature fluctuation in traditional laser machining are avoided, through dynamic adjustment of laser parameters and the temperature, powder adhesion, the step effect and surface unevenness are remarkably reduced, the surface roughness can be reduced to Ra 0.2 micrometer or below, and the surface quality is improved. Through high-precision machining of femtosecond laser and optimization of a temperature control system, the size precision of the metal component can reach + / -0.01 mm, the high-precision manufacturing requirement is met, and the method is suitable for additive and subtractive composite manufacturing of various metal materials and particularly has remarkable advantages in machining of temperature sensitive materials or multi-layer composite materials.

The utility model discloses a containerless laser heating suspension furnace cavity, which relates to the technical field of laser heating and comprises a suspension furnace cavity and an air suspension mechanism for suspending materials. The suspension furnace cavity consists of a furnace body with a plurality of groups of sealed windows, a chassis and a cover plate which are connected to form a sealed cavity; according to the utility model, high vacuum can be pumped, so that the purity of gas in the suspension cavity is ensured, flaky or spherical materials are allowed to be placed in a vacuum environment, and a plurality of paths of laser lenses can be mounted for high-temperature heating; meanwhile, an infrared thermometer and an observation camera are arranged for real-time temperature measurement and observation; the stable air flow provided by the air suspension mechanism can be used for heating and melting the high-temperature suspended material; the sealing cavity structure of the laser heating gas suspension furnace can meet the preparation requirements of new materials of different materials under the high-temperature condition, and research, development and application of novel ultra-high-temperature materials are achieved.

The invention relates to the technical field of detection devices, in particular to a shaft surface surfacing weld height real-time detection device. Comprising a base frame, a multi-shaft driving platform is installed on the base frame, a welding frame and an inspection frame are connected to the multi-shaft driving platform, the cooling spray pipe is fixed to the multi-shaft driving platform, a laser welding gun, an industrial camera and an infrared thermometer are fixedly installed on the welding frame, a pressing frame is connected to the inspection frame in a sliding mode, and a reciprocating pressure applying module is fixedly installed on the inspection frame. The reciprocating pressure applying module drives the pressing frame to vertically vibrate in a variable amplitude mode, a sliding frame is connected to the pressing frame in a sliding mode, and a friction transmission module for driving the sliding frame to horizontally vibrate in a variable amplitude mode is arranged between the pressing frame and the sliding frame. The integrated multi-shaft driving platform has the beneficial effects that the welding frame, the detection frame, the cooling spray pipe and other modules are integrated into the same movement system through the integrated multi-shaft driving platform, and the double-outlet-rod hydraulic cylinder and the linear transmission module are matched, so that welding, spray cooling, weld joint cleaning and height detection can be sequentially completed on the premise that a workpiece is not moved.

The invention discloses a viscoelastic body pressure and rate related sliding friction performance test system. The system comprises a rack main body for providing stable support and protecting an internal mechanism; the pressure regulation and control module is used for realizing stable pressurization of the sample and independent regulation and control of pressure; the rate driving module is used for providing a controllable relative sliding rate; the sample clamping module is used for fixing the sample and avoiding clamping damage and sliding deviation; the multi-parameter acquisition module is used for synchronously acquiring key parameters and image data in the testing process and comprises a pressure sensor, a torque sensor, a thermocouple, a high-speed infrared thermometer and a high-speed camera; the device has the beneficial effects that reversing impact interference is avoided by adopting a continuous friction mode, uniform contact of an interface is ensured by matching with a flexible positioning sample clamping module, and the test repeatability and the data reliability are improved; the sampling frequency of the multi-parameter acquisition module is larger than or equal to 1kHz, real-time synchronous acquisition of key parameters is achieved, and comprehensive data support is provided for friction mechanism research.

The application discloses a kind of by temperature field and airflow field in situ adaptive control component shape laser additive manufacturing system and method thereof.Laser additive manufacturing system includes sealed protective cavity, total control unit, temperature field monitoring-control unit and airflow field monitoring-control unit.Temperature field monitoring-control unit includes infrared thermometer, thermocouple temperature measuring element and induction heating coil;Airflow field monitoring-control unit includes protective gas pipeline, electromagnetic flow regulating valve, oxygen content monitor and vacuum air filter.Total control unit includes temperature field control module and airflow field control module.Total control unit carries out in situ adaptive control to the temperature field of laser additive manufacturing by temperature field control module, improves the distribution of temperature field in the whole process of additive manufacturing, reduces the molten pool temperature gradient in the process of laser additive manufacturing, improves forming defect, and improves material performance.

The present invention belongs to the field of crystal growth technology, and specifically relates to a mechanism for cleaning a temperature measuring window during silicon carbide growth and a temperature closed-loop control method. The mechanism for cleaning the temperature measuring window during silicon carbide growth comprises a vacuum chamber, a water-cooled flange seat is installed above the vacuum chamber, and is characterized in that a support seat is installed above the vacuum chamber, and the support seat is located above the water-cooled flange seat, and a thermometer is installed above the support seat. The present invention effectively solves the problem of an infrared thermometer being unable to effectively measure temperature due to a blocked temperature measuring window, resulting in an inability to achieve closed-loop temperature control. When a temperature anomaly is detected in a specific temperature range model, the temperature measuring hole is determined to be blocked, and the temperature measuring window cleaning mechanism is driven by a PLC to clean the temperature measuring window, thereby ensuring the accuracy of the temperature value measured by the infrared thermometer and achieving closed-loop temperature control.

The invention is suitable for the technical field of SPS sintering, and provides a water-cooling pressing head for SPS sintering equipment, which comprises an SPS sintering furnace, a vacuum sintering box for sintering is arranged in the SPS sintering furnace, and a water-cooling pressing head unit for sintering a powder material is arranged in the vacuum sintering box. The water-cooling pressing head unit comprises an upper water-cooling pressing head assembly and a lower water-cooling pressing head assembly which are arranged in the vertical direction. The device solves the problems that an infrared thermometer cannot directly measure the temperature of a powder material in a sintering mold, and the measurement accuracy is affected due to thermal shock of the infrared thermometer caused by rapid temperature rise in the sintering process, and achieves the effects that the infrared thermometer is arranged in the water-cooling pressing head to directly measure the temperature of the powder material; the infrared thermometer is preheated, the accuracy of the infrared thermometer is prevented from being influenced by thermal shock, and the powder material is flattened by the flattening unit, so that the powder material is prevented from upwelling to influence the surface flatness of the sintered body.

The invention discloses an intelligent accompanying robot with intelligent alarm and projection guidance, and belongs to the technical field of accompanying robots, the intelligent accompanying robot comprises a base and moving wheels mounted at the bottom of the base, a pushing buffer mechanism is arranged at the front end of the base, a second motor is mounted on one side of the top of the base, and a shaft rod is mounted at the output end of the second motor. A data acquisition mechanism composed of a camera and an infrared thermometer monitor is installed, and an early warning control mechanism composed of a controller, a buzzer, a display screen and a communication module is used in cooperation, so that in the using process of the robot, three-level early warning triggering can be conducted according to acquired images and body temperature data, first-level early warning is conducted, and first-level early warning and second-level early warning are conducted; a buzzer sounds to carry out acousto-optic prompting and cloud recording, second-level early warning is carried out, video call access is carried out, family members are informed on an APP, third-level early warning can automatically dial an emergency center and start a positioning beacon when falling down or consciousness is lost, individual errors are better adapted, and the false alarm rate is reduced.

The utility model discloses an optical thermodetector detection device which comprises a flange connecting port, the flange connecting port is installed on a furnace body of a heating furnace, and one end of the flange connecting port is sequentially provided with a transition flange, a rear connecting pipe assembly and an infrared thermodetector. A graphite pipe is arranged at the other end of the flange connector; the transition flange is provided with a water inlet and an air inlet, and the water inlet is connected with a circulating cooling water source and used for cooling the transition flange and protecting the connecting sealing ring and the high-temperature lens from being damaged. The gas inlet is communicated with a gas source, 7 L / min of process gas is kept to be introduced, the graphite pipe has certain gas permeability, the gas can be diffused out of the graphite pipe, the gas enters along with stable gas flow, the temperature is gradually stable, and the detected temperature is also stable.

The invention discloses a partition induction regulation and control device and method for high-strength steel laser cladding. The partition induction regulation and control device comprises a welding mechanical arm, a laser head, a shielding gas assembly, a magnetic induction coil, an infrared thermometer and a control system. The laser head is clamped at the tail end of the welding mechanical arm; the nozzle is connected with the laser head; the plurality of groups of magnetic induction coils are relatively independent, are arranged on the laser head through a coil bracket, and are used for performing zoned temperature control on a cladding area; the infrared thermometer is arranged on the coil bracket and is used for measuring the temperature of a cladding area; the laser head, the welding mechanical arm, the shielding gas assembly, the magnetic induction coil and the infrared thermometer are all connected with the control system. According to the zoning induction regulation and control device, zoning temperature control is conducted on a cladding area, precise regulation of local temperature is achieved, infrared temperature measurement real-time feedback and closed-loop control are combined, the uniformity and metallurgical bonding strength of a cladding layer can be remarkably improved, and cracks and defects are reduced.

The application discloses a feeding and heating remote control system for manufacturing nano metal powder, which comprises internet, a switch, and a server computer, and is characterized in that the system further comprises a metal material feeding device, a client APP, a single-chip microcomputer controller, a radar liquid level meter, an infrared thermometer, a high-frequency generator, a plasma power supply, and a high-temperature evaporation device; the server computer comprises CPU programming software and nano metal powder feeding and heating automatic control software; the client APP is a nano metal powder production feeding and heating remote control software, and a control interface of the client APP comprises plasma heating control, inductance heating control, furnace temperature setting, and feeding setting; the feeding setting comprises automatic feeding and manual feeding, and the automatic feeding comprises feeding amount setting and feeding frequency setting; due to the adoption of the internet and the client APP, feeding and heating intelligentization of nano metal powder production can be realized through remote control, production personnel can be saved, occupational hazards of operating personnel under high temperature can be avoided, production cost can be reduced, and the production efficiency of the nano metal powder can be improved.

The application is suitable for the field of intelligent traffic technology, and provides a positioning method, device and system based on a laser radar, a vehicle and a computer readable storage medium. The method comprises the following steps: obtaining coordinate values of at least two targets arranged on a second working vehicle, wherein the coordinate values of each target are the same as the coordinate values of a prism arranged on the target, and the coordinate values of the prism are obtained by tracking the prism with a total station; obtaining a first distance between a laser radar and the target, wherein the laser radar is arranged on a first working vehicle; and determining first pose information of the first working vehicle according to the first distance of at least two targets and the coordinate values of the targets. The application does not depend on GPS signals, and does not need to configure mobile base stations, laser range finders, infrared thermometers and electronic fences and other equipment, and does not need to refer to road ditches or road edges, and has high flexibility. The positioning accuracy of the automatic total station and the laser radar is high.

The utility model discloses a thermoscope for geothermal exploration, which belongs to the technical field of geothermal data acquisition and comprises a stabilizing seat, a guide pipe and a plurality of uniformly distributed L-shaped reinforcing frames, matched temperature measuring pipes are inserted in the guide pipe, the upper ends in the temperature measuring pipes are fixedly connected with a mounting plate, a large-torque motor is fixedly mounted on the mounting plate, and a through hole is formed in the mounting plate. The output end of the mounting plate penetrates through the through hole and is fixedly connected with a transmission rod, the lower end of the transmission rod is fixedly connected with a temperature measuring assembly, an infrared thermometer is adopted as a temperature measuring element, and the precise transmission mechanism and the temperature measuring hole design are combined, so that accurate measurement of temperatures in different depths and different directions in the geothermal drill hole can be achieved; the infrared thermometer has the characteristic of non-contact temperature measurement, errors caused by contact in a traditional temperature measurement method can be avoided, and meanwhile, interference of the external environment on the temperature measurement result can be further reduced through intermittent alignment of the first temperature measurement hole and the second temperature measurement hole, and the temperature measurement precision is improved.

The utility model discloses a device for solving surface dew formation of a printing cooling roller, which relates to the technical field of printing production of photogravure presses and comprises a control mechanism and a circulating mechanism. In the control mechanism, an infrared thermometer can monitor the temperature of water flowing into the cooling roller in real time and quickly feed back temperature data to an automatic water temperature control cabinet in the form of an electric signal. The circulating mechanism covers the first proportional valve, the first guide pipe, the three-way connector, the ice water pool, the second proportional valve and the second guide pipe. During operation, the water temperature automatic control cabinet accurately regulates and controls the opening and closing and the opening degree of the two proportional valves according to feedback signals, normal-temperature water and ice water are mixed, and the temperature of water entering the cooling roller is stably controlled to be 18-25 DEG C. The device achieves precise intelligent temperature control, abandons the defects of traditional experience temperature control, reduces energy consumption by connecting tap water through the tee joint, successfully overcomes the problem of condensation of the cooling roller, improves product quality, reduces raw material loss, reduces cost and benefits, and guarantees efficient and stable operation of the photogravure press.

The invention provides a device and a method for directly preparing diamond from coal based on assistance of a plasma-laser composite field, and belongs to the technical field of high-value utilization of coal and preparation of diamond materials. The problems of discontinuous carbon source supply, low etching efficiency and the like in an existing coal-made diamond method are solved. Wherein the stepping motor drives the annular rotating metal groove to rotate; the microwave plasma generator is used for forming a microwave plasma area in the chemical vapor deposition reaction cavity; the pulse laser transmitter is used for transmitting a laser beam to irradiate the solid pulverized coal; the laser beam intersects with a plasma main energy region to form a local high-energy superposition region; the non-contact infrared thermometer is used for monitoring the temperature of the growth substrate and the annular rotating metal groove; and the feedback control system is used for dynamically adjusting the power of the laser emitted by the pulse laser emitter and the rotating speed of the annular rotating metal groove according to the signal fluctuation range of the optical emission spectrum. The activation efficiency of the pulverized coal carbon source can be improved, and continuous hydrocarbon group supply is achieved.

This invention relates to the field of industrial automatic control technology, and in particular to an intelligent control system and method for a cake production line based on machine vision feedforward and cross-process temporal decoupling. The intelligent control system for a cake production line adopts a layered architecture of industrial PC and PLC, including: a full-dimensional perception layer for collecting operating status and physical characteristic data of the controlled object, including at least a vision sensor for acquiring image data of the cake surface after baking and an infrared thermometer for acquiring surface temperature; an edge collaborative control layer, communicatively connected to the full-dimensional perception layer, including: a feature extraction unit for receiving the image data, extracting chromaticity feature values, and calculating a ripeness index in combination with the surface temperature; a temporal decoupling and compensation decision unit for comparing the ripeness index with a preset threshold and calculating the control parameter compensation amount for downstream processes based on the degree of deviation; and an instruction generation and issuance unit for superimposing the reference parameters and the compensation amount to generate control instructions.

The application provides a kind of electronic control module firing performance test method, equipment and storage medium, can simulate the firing test box of different capacitance values, different voltage values, can output different firing voltage, second, by determining whether the temperature measured by infrared thermometer meets the ignition temperature point or the maximum non-ignition temperature point of the ignition powder, to determine the reliable firing voltage and safety voltage of the ignition element matched with the ignition powder, then according to the firing parameter obtained at the moment of firing of the ignition element, it can be determined whether the electronic control module is suitable for the client ignition powder, so as to realize the effective evaluation test of the firing performance of the electronic control module of the electronic detonator, without going to the client to do the drug matching experiment, it is efficient and safe.

The utility model discloses a protection structure of an infrared thermometer, which relates to the technical field of infrared thermometers and comprises an infrared thermometer main body, a handle is fixedly connected to the bottom of the infrared thermometer main body, a switch is arranged on the side face of the handle, and the infrared thermometer main body is fixedly connected with the handle. A first fixing block is fixedly connected to the bottom of the infrared thermometer body, a rotating groove is formed in the side face of the first fixing block, a rotating block is rotationally inserted into an inner cavity of the rotating groove, a rotating rod is fixedly connected to the side face of the rotating block, and a protection plate is fixedly connected to the other end of the rotating rod. The protection plate is located on the side face of the infrared thermometer body, a second fixing block is fixedly connected to the side face of the top of the infrared thermometer body, and a limiting mechanism is arranged in an inner cavity of the second fixing block. Therefore, the effect of prolonging the service life of the infrared thermometer is achieved.

The invention provides a real-time temperature drift compensation method and system robust to environment temperature change. The method comprises the following steps: determining N environment temperatures; the infrared temperature measuring devices are sequentially arranged in all the environment temperatures, and original temperature data are collected in real time; performing parameter fitting based on the original temperature data corresponding to each environment temperature to determine a temperature drift compensation model combination; determining the temperature excursion compensation model with the minimum fitting error average value as a temperature excursion compensation amount y16corr calculation model; a current temperature drift compensation amount y16corr is obtained based on a temperature drift compensation amount y16corr calculation model; and compensating the current infrared temperature measurement result according to the temperature drift compensation amount y16corr, and outputting a compensation result. According to the method, the temperature drift compensation amount y16corr calculation model taking the real-time shutter temperature change rate as an independent variable is constructed, so that the temperature drift compensation amount y16corr only changes along with the real-time shutter temperature, a high-precision temperature measurement result can be obtained without depending on the starting shutter temperature, and the robustness to the environment temperature change is high.

The invention belongs to the technical field of ocean monitoring and sensors, and discloses a measuring method and device for correcting the actual ocean shallow profile temperature. The method comprises the following steps: obtaining the real emissivity of a calm water surface; inputting the wind speed wave height of the seawater in the actual sea condition, the wind speed of the air and the obtained actual emissivity of the calm water surface into a Monte Carlo emissivity correction model, outputting the corrected actual sea condition seawater emissivity, and taking the corrected actual sea condition seawater emissivity as a parameter for measuring the actual water surface temperature by a second IR infrared thermometer; and based on the obtained modified parameters of the real water surface temperature measured by the second IR infrared thermometer, carrying out actual sea surface temperature measurement by arranging thermosensitive chains with different scales. The method is obviously superior to the prior art (the satellite is 0.3-1K, the shipborne infrared is 0.05-0.1 K, and the anchor system CTD is 0.002 K and is larger than or equal to 5cm on average).

The invention provides a method for predicting, regulating and controlling a dynamic thermal field of a smelting heat preservation device based on infrared temperature measurement, and the method comprises the steps: constructing a geometric model of a heat preservation furnace according to geometric dimension parameters, and obtaining a heat preservation furnace model; a melt flow heat transfer model is constructed according to the heat preservation furnace model and the pouring process parameters, and a furnace internal heat conduction model is obtained; the temperature distribution of the metal melt is determined according to the in-furnace heat conduction model to obtain first temperature distribution, and the temperature distribution is collected through an infrared thermometer to obtain second temperature distribution; under the condition that the deviation between the first temperature distribution and the second temperature distribution is smaller than a first threshold value, the average temperature of the metal melt is determined according to an in-furnace heat conduction model, and the first temperature is obtained; and the natural gas flow of the heat preservation furnace is adjusted according to the first temperature and the second temperature. The method solves the problem that it is difficult to guarantee that the temperature measurement result accurately reflects the state of the melt due to the fact that temperature difference exists due to the fact that the size of the metal melt is large when single-point or multi-point temperature measurement is adopted in the prior art.

The present disclosure discloses a multi-sensor synchronous non-contact measuring probe of an infrared thermometer, comprising a sensor fixing sleeve and a pressing block arranged at the inner end of the sensor fixing sleeve, wherein at least two infrared sensors are arranged on the pressing block, the sensor fixing sleeve is provided with optical channels with the same number as that of the infrared sensors, the detection surface of each of the infrared sensors is interfaced with a corresponding optical channel, and the infrared sensors are connected with MCU chips.

The invention discloses a temperature measurement auxiliary device, a temperature measurement system and a temperature measurement method for a vacuum cavity, and is applied to the field of industrial temperature measurement. The temperature measurement auxiliary device comprises an infrared isolation part surrounding the visual field of the infrared thermometer, the infrared thermometer is located outside the cavity, and the infrared isolation part is used for isolating at least part of infrared light waves radiated by the heating source in the cavity out of the visual field. The temperature measuring system comprises the infrared temperature measuring instrument and the temperature measuring auxiliary device. The temperature measurement method comprises the step of measuring the temperature of the target object in the cavity by using the temperature measurement system. Therefore, an accurate temperature measurement scheme in a vacuum environment is provided.