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85 results about "Pyrometer" patented technology

A pyrometer is a type of remote-sensing thermometer used to measure the temperature of a surface. Various forms of pyrometers have historically existed. In the modern usage, it is a device that from a distance determines the temperature of a surface from the amount of the thermal radiation it emits, a process known as pyrometry and sometimes radiometry.

Reflecting plate, semiconductor processing chamber and semiconductor annealing process equipment

The invention relates to the technical field of reflecting plates, provides a reflecting plate, a semiconductor processing chamber and semiconductor annealing process equipment, and is used for solving the problem that a temperature measuring through hole and a pyrometer light guide rod are squeezed and collided due to thermal expansion and thermal deviation of the reflecting plate. A first positioning hole and a second positioning hole which are spaced in the direction parallel to the reflecting plate are formed in the reflecting plate; the first positioning hole restrains the translational degree of freedom of the reflecting plate in the first horizontal direction, and the second positioning hole restrains the translational degree of freedom of the reflecting plate in the first horizontal direction and the second horizontal direction; the first positioning hole and the second positioning hole jointly restrain the rotational degree of freedom of the reflecting plate in the vertical direction; at least two temperature measurement through holes are further formed in the reflecting plate, the second positioning hole is formed in a first area which contains the at least two temperature measurement through holes and has the smallest area, the maximum distance between the second positioning hole used for fine positioning and each temperature measurement through hole is minimized, and the thermal offset is remarkably reduced.
Owner:SHENZHEN SICARRIER IND MACHINES CO LTD

Low-temperature segmented temperature control type sausage chopping and mixing device

The utility model discloses a low temperature segmented temperature control type meat sausage chopping and mixing device, including both sides are equipped with the chopping and mixing cylinder of swing mechanism, rotatable chopping and mixing cutter is equipped with through the pivot in chopping and mixing cylinder, two synchronous telescopic all -round drive mechanism are fixed on pivot respectively, and two all -round drive mechanism all are located in the clearance between chopping and mixing cutter blade, and the output of one all -round drive mechanism is equipped with pyrometer, and the output of another all -round drive mechanism is equipped with the jet end of cold and hot air -jet mechanism, the constant temperature pipe of spiral arrangement is embedded in chopping and mixing cylinder inner wall, and constant temperature pipe is connected with external cold water source, and the top of chopping and mixing cylinder is equipped with controller, can monitor temperature in chopping and mixing process to the formation constant temperature interval chopping and mixing of timely adjustment, improves the uniformity of temperature control.
Owner:GUANGDONG OCEAN UNIVERSITY

A high-temperature conductivity measurement system and method based on eddy current method

This invention relates to the field of conductivity measurement technology, and more particularly to a high-temperature conductivity measurement system and method based on the eddy current method. The system includes a stage, a high-temperature eddy current probe, a moving device, a pyrometer, a laser heating subsystem, and a data measurement subsystem. The stage is used to place the sample to be measured. The high-temperature eddy current probe is used to receive an excitation signal and pick up the measurement signal. The moving device is used to move the high-temperature eddy current probe laterally above the sample. The laser heating subsystem emits a continuous laser in the near-infrared band to heat the sample. The data measurement subsystem generates a set of multi-frequency excitation signals to excite the high-temperature eddy current probe, determines the inductance changes corresponding to the multi-frequency excitation signals measured by the high-temperature eddy current probe at the same position above the sample, and calculates the conductivity of the sample based on the inductance changes. This invention enables accurate, non-contact measurement of the conductivity of materials under high-temperature conditions.
Owner:XIAMEN UNIV

A method for calibration and noise analysis of a multi-wavelength area array CCD pyrometer

The application discloses a kind of multi-wavelength area array CCD pyrometer's calibration and noise analysis method, constructs temperature measurement calibration model, obtains the parameter that each channel R of CCD camera, G, B needs calibration;Solving the unknown parameter of calibration model, analysis calibration error;Construct noise analysis model, find out the unknown parameter of each channel R of CCD camera in noise analysis model, G, B;Quantitative analysis is carried out to the noise of each channel R of CCD camera, G, B by noise analysis model.The influence caused by each channel R of CCD camera, G, B noise is evaluated.The calibration model of pyrometer in the application is an innovative model, the error of each channel of pyrometer is very small when calibration is carried out under this model;The noise analysis method in the application can quantitatively analyze the noise of pyrometer, the gray value fluctuation caused by each noise can be solved by the method, and the temperature error caused by each noise can be analyzed.
Owner:HEFEI UNIV OF TECH

Monitoring device for thermal control automation equipment of thermal power plant

The invention discloses a monitoring device for thermal control automation equipment of a thermal power plant, which comprises a boiler, one end of the boiler is provided with a smoke outlet, a monitoring mechanism is arranged at the upper end of the smoke outlet, a monitoring probe and a dust vibration assembly are arranged in the monitoring mechanism, and the dust vibration assembly is arranged on the monitoring mechanism. According to the technical scheme, dust discharged by the infrared pyrometer in the ascending airflow is guided or intercepted, so that the airflow can bypass the two sides of the mounting plate, and the situation that the dust discharged by the infrared pyrometer moves to one side of the collection end of the infrared pyrometer along with the ascending airflow and is attached to the collection end of the infrared pyrometer, and the accuracy of the detection result of the infrared pyrometer is reduced is avoided. And dust contained in the airflow flowing through the protection plate is intercepted and collected through the dustproof cover, so that the protection effect on the infrared pyrometer is enhanced.
Owner:HUANENG LANZHOU THERMAL POWER CO LTD

A method for controlling a hot-rolled strip coiling temperature and related equipment

ActiveCN119926981BEffective control of coiling temperatureHigh temperature control accuracyTemperature controlZone valve
The application discloses a hot-rolled strip coiling temperature control method and related equipment, and relates to the technical field of hot rolling. The method comprises the following steps: acquiring temperature data in the width direction of the strip; normalizing and polynomial fitting the temperature data to calculate a center point temperature value of the width of the strip; and adjusting the opening and closing state of a cooling zone valve based on the center point temperature value to control the coiling temperature of the strip. The application can more accurately reflect the actual temperature condition of the strip, effectively overcomes the problem that the traditional point-type pyrometer measurement is easily affected by the shape and surface of the strip and is distorted, and thus improves the mechanical properties and organizational properties of the strip and guarantees the product quality.
Owner:SHOUGANG QIANAN IRON & STEEL CO LTD +1

Powder metallurgy near-net forming method for high-purity iron TD4 thin-wall complex component

The invention discloses a powder metallurgy near-net forming method for a high-purity iron TD4 thin-wall complex component, which belongs to the field of powder metallurgy and comprises the following steps of: 1, activating spherical TD4 iron powder with the Fe content of more than or equal to 99.8 percent and the particle size of 15-45 microns by using low-temperature plasma with the power of 100-300W for 5-15 minutes under the protection of argon; 2, the isostatic pressing graphite die is filled in a vibration mode, a cavity is compensated through the shrinkage rate of 1.2%-2.5%, and a functional gradient punch with a slightly-convex curved surface is arranged; 3, electric field activation pressure auxiliary sintering is conducted, real-time monitoring is conducted through a high-speed camera larger than or equal to 100 fps and a pyrometer, and AI dynamically regulates and controls current and pressure according to curvature variation and the like; and 4, high-purity argon is forcibly cooled at the speed of 50-100 DEG C / min under the pressure maintaining condition, sand blasting and chemical polishing are conducted after demolding, the density and size precision of the component are improved through the method, the thin wall cracking risk is reduced, and the requirement of the high-end field is met.
Owner:SICHUAN MINSHENG SPECIAL STEEL FORGING CO LTD

Virtual metering for enhanced window temperature control

Embodiments of the present invention relate to a substrate processing system with improved thermal management. The substrate processing system utilizes a pyrometer to measure temperature on the outer surface of a cavity and a controller to adjust operation based on estimated temperatures at various locations on the inner surface of the cavity. The system employs a digital avatar model, possibly based on physics, data, or a hybrid approach, to simulate process operation and generate a temperature map within the cavity. The cavity structure is characterized by a cavity made of a high IR transmission material and includes a cavity conditioning assembly with a variable-speed bellows and a mechanical airflow modulator. The associated method utilizes the digital avatar model and the cavity conditioning assembly to manipulate the system for enhanced temperature control. Furthermore, a device equipped with a mechanical airflow modulator is also provided to guide airflow for effective thermal conditioning, thereby moving it to undesirable window coatings.
Owner:APPLIED MATERIALS INC

Turbine blade thermal fatigue test method and test device

The invention provides a turbine blade thermal fatigue test method and device, and relates to the technical field of turbine blade high-temperature durability tests.The test method comprises the following steps that S1, a test piece is installed, and emissivity test position consistency is adjusted; s2, heating the test piece to a set temperature under a gas working condition, and adjusting the emissivity of the pyrometer to enable the temperature of the pyrometer to be consistent with the set temperature; and S3, installing a turbine blade test piece, and carrying out a fatigue test on the thermal barrier coating of the turbine blade. According to the invention, the gas working conditions of the tester can be rapidly switched, the emissivity of the thermal barrier coating of the turbine blade under the test gas condition can be accurately tested, and the cycle period curve of the thermal fatigue test of the turbine blade can be effectively established.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD

Temperature measuring device

The utility model relates to a temperature measuring device, and belongs to the field of semiconductor manufacturing. According to the technical scheme, the temperature measuring device comprises a pyrometer probe and a support assembly, the support assembly comprises a basic part, the basic part is connected with a mounting part through a lifting structure, the mounting part is provided with an adjusting part, at least part of the outer surface of the adjusting part is an outer convex spherical surface, and the mounting part is provided with a first inner concave spherical surface; the outer convex spherical surface is attached to the first inner concave spherical surface, a mounting hole is formed in the adjusting part, and the pyrometer probe is mounted in the mounting hole; and a locking structure is also arranged between the mounting piece and the adjusting piece. According to the scheme, on the basis of manual adjustment, the pyrometer probe is installed through the spherical joint, universal adjustment can be conducted on the detection direction in the plane, meanwhile, the spherical surface is matched with the locking structure in a contact mode, damping of spherical surface rotation can be controlled, repeated loosening and locking are avoided, and lifting adjustment between the basic part and the installation part is matched; the adjusting process of the pyrometer probe is greatly simplified, and the pyrometer is more convenient and practical.
Owner:SICC CO LTD

Apparatus and method for use with a substrate chamber

In an embodiment, an apparatus includes a first pyrometer and a second pyrometer configured to monitor thermal radiation from a first point and a second point on a backside of a wafer, respectively, a first heating source in a first region and a second heating source in a second region of an epitaxial growth chamber, respectively, where a first controller adjusts an output of the first heating source and the second heating source based upon the monitored thermal radiation from the first point and the second point, respectively, a third pyrometer and a fourth pyrometer configured to monitor thermal radiation from a third point and a fourth point on a frontside of the wafer, respectively, where a second controller adjusts a flow rate of one or more precursors injected into the epitaxial growth chamber based upon the monitored thermal radiation from the first, second, third, and fourth points.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

Semiconductor heat treatment equipment, pyrometer and method for measuring temperature and emissivity

The invention provides semiconductor heat treatment equipment, a pyrometer and a temperature and emissivity measurement method. The pyrometer comprises an active emissivity measurement module, a temperature measurement module and a logic circuit, the active emissivity measurement module is used for emitting detection light to a wafer and receiving reflected light of the detection light to calculate the emissivity, and the temperature measurement module is used for receiving thermal radiation light of the wafer to calculate the temperature; the logic circuit is used for receiving signals of the active emissivity measurement module and the temperature measurement module and calculating the emissivity and the temperature of the wafer; wherein the active emissivity measurement module and the temperature measurement module share at least part of light path elements. According to the embodiment of the invention, the temperature and the emissivity of the wafer can be measured at the same time, and the emissivity of the wafer can be measured actively and directly from the room temperature, so that accurate temperature monitoring in the whole process temperature range is realized.
Owner:NEW SHANGLIAN SEMICONDUCTOR EQUIPMENT (SHANGHAI) CO LTD

Dual pyrometer systems for substrate temperature control during film deposition

A method of operating a reactor system to provide multi-zone substrate temperature control. The method includes, with a first pyrometer, sensing a temperature of a first zone of a substrate supported in the reactor system, and, with a second pyrometer, sensing a temperature of a second zone of the substrate. The method further includes, with a controller, comparing the temperatures of the first and second zones to setpoint temperatures for the first and second zones and, in response, generating control signals to control heating of the substrate. The method also includes controlling, based on the control signals, operations of a heater assembly operating to heat the substrate.
Owner:ASM IP HLDG BV

Light pipe for high-temperature substrate processing

A substrate processing system according to one embodiment includes a processing chamber and an optical pyrometer assembly for measuring thermal radiation emitted from substantially a portion of a target surface. The optical pyrometer includes a light pipe comprising a core and a hollow sheath surrounding the core. The core and the sheath are concentric with each other. The sheath is formed by a chemical vapor deposition process and includes local protrusions within its hollow interior to maintain the position of the core within the sheath. Specifically, the local protrusions are formed to center at least the distal end of the core within the sheath. The temperature of the target surface is determined from the intensity of a portion of the thermal radiation emitted near at least one wavelength.
Owner:VEECO INSTRUMENTS INC

Rolled piece cooling uniformity detection method and device

The invention provides a rolled piece cooling uniformity detection method and device, and relates to the technical field of rolled piece cooling detection.The method comprises the steps that rolled piece information, the rolling speed, signals collected by a hot metal detector and temperature data collected by a plurality of pyrometers are obtained; extracting the temperature distribution characteristics of the rolled piece to obtain a plurality of temperature distribution characteristics; determining an initial value of a dynamic threshold, a historical dynamic threshold, a pre-alarm threshold and a maximum threshold; whether the rolled piece is rolled for the first time or not is judged, if not, the historical dynamic threshold value is determined as a target dynamic threshold value, and if yes, the initial value after secondary updating is determined as the target dynamic threshold value; according to the target dynamic threshold value, the pre-alarm threshold value, the maximum threshold value and the multiple temperature distribution characteristics, the rolled piece cooling uniformity is analyzed, a rolled piece cooling uniformity detection result is generated, and the accuracy and efficiency of rolled piece cooling uniformity detection can be improved.
Owner:CERI DIGITAL TECHNOLOGY (BEIJING) CO LTD +1

Cooling device for automobile casting machining

The invention discloses a cooling device for automobile casting machining, and belongs to the technical field of casting machining, the cooling device for automobile casting machining comprises a point cooling machine and a plurality of cast copper rotors, a display screen and a controller are arranged on the side wall of the point cooling machine, and an electric drive rotating disc is rotationally arranged in the point cooling machine; a plurality of clamping blocks are fixedly arranged on the electric drive rotating disc, a cast copper rotor is clamped in each clamping block, a point cooling pipe is further arranged in the point cooling machine, the point cooling pipe is arranged in an inclined mode and right faces one cast copper rotor, an optical pyrometer is fixedly arranged on the upper portion in the point cooling machine, and the optical pyrometer is arranged on the lower portion of the point cooling machine. And the optical pyrometer is also opposite to the position of the cast copper rotor pointed by the point cooling pipe. According to the point cooling machine, the rotatable electric drive turntable is arranged in the point cooling machine, and the clamping blocks capable of flexibly driving the cast copper rotor are arranged, so that the point cooling pipe can more accurately carry out targeted cooling work on parts with serious hot spots on the cast copper rotor.
Owner:SHUNDA MOULD TECH CO LTD

Adjustable heat treatment equipment base assembly

The utility model relates to the technical field of heat treatment process, in particular to an adjustable heat treatment equipment base assembly which comprises a main base and two sleeves arranged at the lower end of the main base, connecting pipes are mounted in the sleeves, mounting parts are mounted at one ends of the sleeves, and a plurality of inserting rods are mounted on the upper surfaces of the mounting parts. A sealing ring is arranged on the outer side of the connecting pipe, a first fixing seat is arranged on one side of the sleeve, a second fixing seat is arranged on one side of the first fixing seat, a lifting plate limiting groove is formed in the lower surface of the main base, a plurality of pyrometer mounting grooves are formed in the lower surface of the main base, and a bottom quartz plate is arranged on the upper surface of the main base. According to the heat treatment equipment base, the assembled combined type base design is adopted, the mounting groove bodies are formed in the main base and used for clamping different electrical equipment, and through the sleeve, the pyrometer mounting groove, the lifting plate limiting groove, the gas sealing bolt and the gas injector, the production quality of a heat treatment workpiece is improved, and meanwhile the heat treatment equipment base is higher in functional applicability.
Owner:江苏先进全成科技有限公司

In-situ reflectometry for real-time process control

In one implementation, a method of monitoring film thickness on a substrate, comprises: generating light from a light source; collimating the light from the light source to form a collimated beam; reflecting the collimated beam off of a surface to be measured to produce a reflected beam; splitting the reflected beam with a dichroic mirror, wherein the reflected beam splits into a first beam and a second beam; receiving, by a pyrometer, the first beam from the dichroic mirror; receiving, by a spectrometer, the second beam from the dichroic mirror; and analyzing data derived from the pyrometer and the spectrometer to determine one or more characteristics of the surface to be measured.
Owner:APPLIED MATERIALS INC

Semiconductor equipment temperature measurement data processing method

The invention provides a semiconductor equipment temperature measurement data processing method, which specifically comprises the following steps of S1, acquiring all temperature data in a fixed time interval from the current processing moment to the front as to-be-processed temperature data, and transferring the to-be-processed temperature data to an array; s2, performing size sorting on the temperature data in the array to obtain a temperature data sequence; s3, selecting a preset number of continuous multiple pieces of temperature data located in the middle section of the temperature data sequence; and S4, calculating an arithmetic mean value of the plurality of continuous temperature data, and taking the arithmetic mean value as the temperature control temperature of the current processing moment. The problem that the measured temperature data is abnormal due to the fact that the supporting arm shields the pyrometer can be solved, the smoothness and accuracy of a temperature measurement curve are improved, the stability of a temperature control system is improved, and process deviation or equipment faults caused by abnormal temperature feedback are effectively prevented.
Owner:JIANGSU ALPHA-SEMICON EQUIP CO LTD

High-temperature calibration furnace for optical fiber pyrometer and temperature correction method

The application discloses a high-temperature calibration furnace for an optical fiber high-temperature gauge and a correction method. The high-temperature calibration furnace comprises a resistance wire furnace chamber module, wherein the resistance wire furnace chamber module comprises a shell, a containing cavity for accommodating a lower furnace chamber, a middle furnace chamber and an upper furnace chamber is arranged in the shell, the middle furnace chamber has an H-shaped cross section, the lower furnace chamber and the upper furnace chamber are respectively provided with matched protrusions, and the middle part of the middle furnace chamber is provided with a through hole penetrating along the axial direction of the middle furnace chamber; a resistance wire is embedded in the middle furnace chamber and arranged in a spiral shape, and the two ends of the resistance wire are electrically connected to resistance wire connection terminals on the shell through lead wires; a temperature measuring tube is arranged on the top surface of the lower furnace chamber and along the central axis of the middle furnace chamber, a thermocouple fixing rod arranged along the axial direction of the temperature measuring tube is arranged in the temperature measuring tube, and a thermocouple electrically connected to a temperature controller of an electric control module is arranged at the end of the thermocouple fixing rod; a temperature outlet cylinder communicating with the temperature measuring tube is arranged along the axial center line of the upper furnace chamber, and the temperature outlet cylinder faces the optical fiber high-temperature gauge. The high-temperature calibration furnace can save correction time and is easy to operate.
Owner:SICENTURY SEMICONDUCTOR TECHNOLOGY (SUZHOU) CO LTD

A cooling device for processing automobile castings

The application discloses a cooling device for automobile casting machining and belongs to the technical field of casting machining. The cooling device for automobile casting machining comprises a spot cooling machine and a plurality of cast copper rotors. A display screen and a controller are arranged on the side wall of the spot cooling machine. An electric drive turntable is rotatably arranged in the spot cooling machine. A plurality of clamping blocks are fixedly arranged on the electric drive turntable. Each clamping block clamps a cast copper rotor. A spot cooling pipe is further arranged in the spot cooling machine. The spot cooling pipe is arranged obliquely. The spot cooling pipe is opposite to one of the cast copper rotors. An optical pyrometer is fixedly arranged above the spot cooling machine. The optical pyrometer is also opposite to the position of the cast copper rotor pointed by the spot cooling pipe. The electric drive turntable arranged in the spot cooling machine and the clamping blocks capable of flexibly driving the cast copper rotors enable the spot cooling pipe to more accurately and specifically cool the hot spot serious parts on the cast copper rotors.
Owner:SHUNDA MOULD TECH CO LTD

Dynamic thermal cycle ceramic coating CMAS corrosion test method based on stripping ratio judgment

The invention relates to a dynamic thermal cycle ceramic coating CMAS corrosion testing method based on stripping ratio judgment, and belongs to the technical field of CMAS detection in coatings. A CMAS material is applied to the surface of a to-be-tested ceramic coating; performing dynamic thermal cycle treatment on the ceramic coating for at least one time, wherein the dynamic thermal cycle comprises the processes of heating, heat preservation and cooling; the test temperature is monitored through a thermocouple or an infrared pyrometer; and calculating the peeling area ratio of the ceramic coating, and judging that the ceramic coating is invalid when the peeling area ratio is greater than or equal to 20%. According to the method, the quantitative stripping area ratio is introduced as a failure criterion, so that the problem that the CMAS corrosion resistance of the ceramic coating cannot be objectively and accurately evaluated due to non-uniform test conditions, working condition simulation distortion and failure judgment subjectivity in the prior art is solved.
Owner:CHINA TEST & CERTIFICATION INT GRP CO LTD

A powder metallurgy near-net-shaping method for high-purity iron TD4 thin-wall complex component

The application discloses a high-purity iron TD4 thin-wall complex component powder metallurgy near-net forming method and belongs to the field of powder metallurgy. Step 1, spherical TD4 iron powder with Fe content greater than or equal to 99.8% and particle size of 15-45 microns is activated by low-temperature plasma under argon protection at a power of 100-300 W for 5-15 min; step 2, a vibration filling isostatic pressing graphite mold is filled, a cavity is compensated by a shrinkage rate of 1.2%-2.5%, and a functionally graded punch with a micro-convex surface is arranged; step 3, electric field activated pressure assisted sintering is carried out, a high-speed camera with a high-speed of greater than or equal to 100 fps and a pyrometer are used for real-time monitoring, and AI dynamically adjusts current and pressure according to curvature change amount; step 4, high-purity argon is forcedly cooled at a rate of 50-100 DEG C / min under pressure, and sand blasting and chemical polishing are carried out after demolding. The method improves the density and size precision of the component, reduces the risk of thin-wall cracking, and is suitable for the needs of high-end fields.
Owner:SICHUAN MINSHENG SPECIAL STEEL FORGING CO LTD

Tire strip cutting electrotome with intelligent temperature control function

The intelligent temperature control tire strip cutting electrotome comprises a device body, the front face of the device body and the back face of the device body are each provided with two limiting sliding grooves, and the inner wall of each limiting sliding groove is slidably connected with a tire strip pressing plate; the front face of the device body and the back face of the device body are each fixedly connected with two mounting bases, and the bottom face of each mounting base is fixedly connected with an electric push rod. Through the touch panel, the electric push rod is accurately controlled to push the tire strip pressing plate, the tire strip can be firmly fixed, the electric hydraulic telescopic rod capable of accurately setting the telescopic stroke and speed is matched to control the blade, the cutting precision is greatly improved, the stable product quality is ensured, the equipment is highly intelligent, the operation is simple, convenient and visual, and the production efficiency is improved. And meanwhile, the laser thermometer monitors the temperature in real time, the temperature is displayed on the touch panel, the operator can flexibly adjust cutting parameters accordingly, and it is guaranteed that cutting is conducted at the proper temperature all the time.
Owner:SHANDONG YANGXIN RUBBER TECHNOLOGY CO LTD

Cooktop isolation rings

A system comprises at least two insulating rings and a heating ring forming a perimeter around an outer of the at least two insulating rings. The system also includes a cooking vessel positioned on the flat top surface of the at least two insulating rings, wherein a portion of the cooking vessel and the innermost ring of the rings form a circular chamber and a sensor comprising an infrared pyrometer and a laser pointer which detects a temperature of a target surface of the cooking vessel. The system includes a control system communicatively coupled to the sensor and to at least one control device and a control device, where the control device controls power output to the heating ring and the control device is communicatively coupled to the control system.
Owner:FRANKOWSKI HENRY

A method for calibrating a mirror optical pyrometer

The application relates to a mirror optical pyrometer calibration method, which comprises the following steps: adjusting the temperature of an object to a temperature calibration point T b ; measuring the temperature T of the object by using a handheld infrared thermometer; measuring the temperature of the object by using a mirror optical pyrometer; connecting a voltage stabilizer and a voltmeter to the mirror optical pyrometer through a cable; detecting the output voltage value V0 of the mirror optical pyrometer when the object is shielded by using the voltmeter; detecting the output voltage value V s of the mirror optical pyrometer when the object is not shielded; calculating the voltage signal V detected by a detector in the mirror optical pyrometer according to V s -V0; transforming T b , and correspondingly obtaining a plurality of groups of T i , V i ; wherein T i is the temperature of the object measured by the i-th handheld infrared thermometer; V i is the voltage signal detected by the detector in the i-th mirror optical pyrometer; and the minimum lambda, S e is a predetermined value of the radiation wavelength of the object and the system efficiency of the mirror optical pyrometer, wherein n is the number of temperature calibration points.
Owner:AECC SHENYANG ENGINE RES INST

Multivariable vertical glass distribution control using soft sensor and methods

ActiveUS12637381B2Blowing machine gearingsBlow pipesTemperature controlSoft sensor
Methods and systems for controlling vertical glass distribution are provided. A traversing pyrometer periodically measures a parison actual temperature after the parisons exit a blank mold. The thermal camera takes a thermal image of each glass container after the glass container exits the blow mold. A vertical glass signature extraction module extracts a vertical glass distribution signature. A parison temperature estimator determines a parison estimated temperature for each vertical glass distribution signature obtained based on the vertical glass distribution signature, a most recently measured parison actual temperature and a parison stretch time. A parison temperature summer compares the parison estimated temperature to a parison set point temperature to determine a parison temperature error. A parison temperature control controls a blank mold contact time based on the parison temperature error.
Owner:EMHART GLASS SA

Early warning system for damage of materials in high-temperature furnace or graphitization furnace

The invention discloses an early warning system for damage of materials in a high-temperature furnace or a graphitization furnace. The early warning system is suitable for the high-temperature furnace provided with an opposite-penetrating type graphite heater and a multi-layer carbonaceous heat preservation layer. According to the system, the center temperature of a hearth is obtained through an optical pyrometer arranged outside a furnace body, temperature sensors are arranged in heat preservation layers with different thicknesses to obtain the temperature of each heat preservation layer, current transformers or Rogowski current loops are arranged at the head and the tail of a graphite heater, and a low-voltage alternating-current voltmeter is connected to a heating loop; collecting the temperature in the furnace, the temperature of each insulating layer and the current, voltage and power data of a heater; the method comprises the following steps: establishing a heat preservation characteristic reference curve corresponding to furnace temperature and different heat preservation thicknesses in the initial heating stage of equipment, comparing real-time data with the reference curve in the operation process, distinguishing abnormal short circuit and normal aging of a heat preservation material by combining head and tail current distribution and resistance change of a graphite heater, and evaluating equivalent loss of a graphite piece. The system records multi-dimensional data for a long time through the PLC and the upper computer, predicts the residual life of the thermal insulation material and the heater, and realizes online diagnosis and early warning of the state of the material in the furnace.
Owner:ZHEJIANG JINGGONG SCI & TECH

Base temperature detection method for semiconductor equipment

The invention discloses a base temperature detection method for semiconductor equipment. The base temperature detection method comprises the steps that S1, each rotation period of a base is divided into a plurality of detection intervals in sequence; the plurality of detection intervals comprise an abnormal detection interval in which a detection light path of a pyrometer for detecting the center temperature of the base is shielded by the bracket and a normal detection interval in which the detection light path of the pyrometer is not shielded by the bracket; and S2, when the current detection interval is the abnormal detection interval, predicting the temperature prediction value of the current detection interval based on the effective temperature values of N detection intervals before the current detection interval, and taking the temperature prediction value as the effective temperature value of the current detection interval, wherein N is greater than or equal to 2.
Owner:JIANGSU ALPHA-SEMICON EQUIP CO LTD

Method and device for contactless measurement of a temperature

A method and device for contactless measurement of a temperature, in particular pyrometer, preferably 1-point pyrometer. The measuring device (1) has a camera (4) for recording an image (7′) of an environment (7) of a measurement spot (9) and a processor for ascertaining and outputting, in particular displaying, a location of the measurement spot in the image. For the temperature measurement, an environment (7) of a measurement spot (9) is recorded as an image and a location of the measurement spot (9) in the environment (7) is calculated and output in the image (7′).
Owner:TESTO SE & CO KGAA