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362 results about "Thermocouple" patented technology

A thermocouple is an electrical device consisting of two dissimilar electrical conductors forming electrical junctions at differing temperatures. A thermocouple produces a temperature-dependent voltage as a result of the thermoelectric effect, and this voltage can be interpreted to measure temperature. Thermocouples are a widely used type of temperature sensor.

Thermal control instrument fault self-diagnosis system based on multi-source data fusion

The invention discloses a thermal control instrument fault self-diagnosis system based on multi-source data fusion, and relates to the technical field of prediction and health management. The thermal control instrument fault self-diagnosis system based on multi-source data fusion comprises the following steps: a data collection and arrangement module used for collecting thermal control state data in real time and preprocessing the thermal control state data; the feature construction and extraction module is used for performing thermal deviation anomaly judgment on the preprocessed thermal control state data; the state intelligent evaluation module is used for performing temperature trend comparison on the thermal control state data after the thermal deviation abnormity judgment; the diagnosis linkage control module is used for fusing thermal deviation abnormity judgment and a temperature trend comparison result to execute control and participate in adjustment; and the result displaying and filing module is used for sorting and recording the measuring point diagnosis result and the processing state. The problems that false alarm is caused by wall temperature thermocouple signal drifting and abrupt change, fusion analysis of adjacent measuring points and operation states is lacked, and real overheating and instrument faults are difficult to distinguish are solved.
Owner:YUHENG POWER STATION OF SHAANXI HUADIAN YUHENG COAL POWER CO LTD

Boiler furnace temperature field measuring system based on multi-sensor fusion

The invention relates to the technical field of boiler temperature measurement, and discloses a boiler furnace temperature field measurement system based on multi-sensor fusion. According to a temperature acquisition module of the system, a plurality of groups of infrared temperature measurement sensors and thermocouple sensors are arranged in preset space grids of a boiler hearth, and real-time temperature data of each space grid are synchronously acquired; the data fusion module performs time alignment and space registration on the acquired data to generate a space-time synchronous original temperature data set; the noise suppression module performs multi-scale decomposition on an original data set based on wavelet transform, extracts a high-frequency noise component and performs adaptive filtering, and outputs a temperature data sequence after noise reduction; the temperature field reconstruction module reconstructs a hearth three-dimensional temperature field distribution model through a radial basis function interpolation algorithm according to the denoised data sequence; and the dynamic compensation module calculates the heat conduction lag compensation amount of the temperature field distribution model according to the flowing speed of the flue gas in the hearth and the working condition parameters of the combustor, and generates a compensated dynamic temperature field model.
Owner:DONGFANG BOILER GROUP OF DONGFANG ELECTRIC CORP +1

Intermittent temperature maintaining system and control method for cladding lithium-lead heat source loop

The invention provides a cladding lithium lead heat source loop intermittent temperature maintaining system and a control method, and belongs to the field of fusion reactor temperature control systems, and the cladding lithium lead heat source loop intermittent temperature maintaining system comprises a cladding lithium lead heat source inlet and outlet branch, a lithium lead heat source utilization branch, a heating branch and a control loop; the lithium-lead heat source utilization branch and the heating branch are connected in parallel to an outlet of a lithium-lead heat source lower connecting pipe of the cladding lithium-lead heat source inlet and outlet branch; the heating branch comprises a third valve, an electric heater and a second pump which are connected in sequence; an outlet of the second pump is respectively connected to the first valve on the cladding lithium lead heat source inlet and outlet branch and the second valve on the lithium lead heat source utilization branch; and the control loop comprises a plurality of thermocouples and a flow meter, and is used for monitoring the temperature and the flow of each position for cooperatively realizing the intermittent temperature maintenance of the cladding lithium lead heat source loop and controlling the start and stop or the opening degree of the first valve, the second valve, the third valve, the electric heater and the second pump. The solidification risk of the lithium-lead medium is overcome, and the safety of the system is improved.
Owner:聚变新能(安徽)有限公司 +1

Carbon quantum dot hydrothermal synthesis system and method based on microfluidics thermal field equilibrium

PendingCN121988250AEliminate lagEliminate errorsNanoopticsNano-carbonTemperature controlConjugated heat transfer
The invention relates to the technical field of microfluidics, in particular to a carbon quantum dot hydrothermal synthesis system and method based on microfluidics thermal field equilibrium, which comprises a thermal field sensing module, an equilibrium analysis module, a thermal field coupling module, an equilibrium regulation and control module and a closed loop execution module, the thermal field sensing module is used for collecting array temperature on the surface of the micro-fluidic chip and fluid pressure data in a flow channel, and reconstructing three-dimensional temperature distribution in the micro-channel through a multi-physics field coupling algorithm to obtain a real-time thermal field state matrix. According to the invention, by constructing a multi-physical field coupling algorithm of a thermocouple array-flow resistance model-conjugate heat transfer equation, the three-dimensional temperature distribution of the fluid in the micro-channel can be inverted and reconstructed by using surface temperature and pressure data, so that a control system can pass through a chip matrix, and the temperature of the fluid in the micro-channel can be controlled. The radial temperature gradient and the axial thermal distortion in the fluid are directly sensed, the hysteresis and the error of sensor measurement are eliminated, and a real physical basis is provided for accurate temperature control.
Owner:HAINAN VOCATIONAL COLLEGE OF SCI & TECH

UV disinfectant system

A UV disinfectant system may include a chamber having a wall that is transparent to a disinfecting radiation. Liquid may be flowed through the chamber for treatment by exposure to the radiation. The chamber may include a static mixer having vanes to impede laminar flow of the liquid during treatment. The vanes extend into the flow path of the liquid through the chamber. A gap is defined between the vanes and the transparent wall. A cabinet may house the chamber and radiation emitting bulbs. Blowers may be operably coupled to a temperature sensor and flow meter and positioned at a lower end and upper end of the cabinet to urge air out of the cabinet. The temperature sensor may include a thermocouple. The blowers may be variable speed blowers. The system may include a controller to control system operations. The controller may be remotely accessible to monitor or control operations.
Owner:SAFE FOODS CORP

Device for testing sliding friction resistance under action of high-temperature hot air

The invention discloses an anti-sliding friction force testing device under the action of high-temperature hot air, which comprises a loading sealing device, an air circulation heating system, a static force loading system and a temperature measuring system, the loading sealing device comprises a bearing frame, a bottom plate, a lower flange gland, a test piece, an upper flange gland, an upper exhaust cabin, a disc type loading tool, an upper pressing plate, a window and a window pressing plate, the air circulation heating system comprises a heating system and a ventilation system, and the air circulation heating system is connected with the loading sealing device through a circulation pipeline; the static force loading system comprises an oil source control upper computer, an oil source, a cooler, a hydraulic substation, a static force loading upper computer, a servo oil cylinder, a servo controller and a switching cabinet, and the temperature measurement system comprises a thermocouple sensor, a data acquisition instrument and a temperature measurement upper computer. The test system can be widely applied to the sliding friction resistance test of various wrapped interlayer assembly structures in normal temperature and high temperature states and the design and construction of the test system.
Owner:TIANJIN AEROSPACE RELIA TECH +1

Test method for strain clamp

The invention discloses a test method for a strain clamp, and the method comprises the steps: carrying out the crimping and drainage plate assembly of the strain clamp, and fastening a bolt on a drainage plate to a preset initial torque value through a digital display torque wrench; measuring the contact resistance of a drainage plate of the strain clamp; arranging a T-shaped thermocouple at a monitoring point position of the strain clamp; sequentially applying currents with different percent calculated current-carrying capacities to the strain clamp through a large current generator, and recording transient temperature rise data corresponding to each monitoring point position; and measuring the contact resistance and transient temperature rise data under different bolt torques under the current of each percentage calculation current-carrying capacity. According to the invention, the actual working state of the strain clamp under different drainage plate assembly conditions can be simulated, the bolt torque of the strain clamp is taken as an independent variable, the contact resistance between the drainage plates under different torques is measured, and the overall temperature distribution of the clamp is measured through the temperature measurement probe, so that the test accuracy is improved. Therefore, real-time measurement of three kinds of data of bolt torque, contact resistance and wire clamp temperature rise is realized.
Owner:GUANGDONG POWER TRANSMISSION & TRANSFORMATION ENG

Method, equipment and device for detecting erosion of blast furnace hearth

The invention provides a blast furnace hearth erosion detection method, equipment and a device thereof.The blast furnace hearth erosion detection method comprises the steps that temperature data of a blast furnace thermocouple and parameter data of a blast furnace hearth are obtained, and the wave velocity of ultrasonic waves in the blast furnace hearth in the blast furnace erosion state is calculated according to the temperature data and the parameter data; according to the rotation time and the wave velocity of the ultrasonic waves in the blast furnace hearth, the measured carbon brick residual thickness of the blast furnace hearth is obtained through calculation; obtaining a theoretical carbon brick residual thickness based on a heat flux conservation principle and temperature data inversion; the carbon brick residual thickness and the theoretical carbon brick residual thickness are measured through ultrasonic waves and analyzed to obtain a residual thickness difference value, and the blast furnace hearth condition is judged according to the residual thickness difference value. According to the embodiment of the invention, the erosion degree of the carbon brick is accurately reflected by measuring the residual thickness of the carbon brick and the theoretical residual thickness of the carbon brick, so that measures beneficial to the safety of the hearth are guided, the burning-through risk of the hearth is reduced, a scientific theoretical basis is provided for prolonging the service life of a blast furnace, and the method has a wide application prospect.
Owner:WUHAN UNIV OF SCI & TECH

Engine cylinder cover thermal fatigue virtual test verification method and system

The invention provides an engine cylinder cover thermal fatigue virtual test verification method and system, and relates to the technical field of virtual simulation modeling, and the method comprises the steps: obtaining the micro-macro parameter characteristics of an engine cylinder cover; constructing a parameterized model of micro-macro coupling; performing reverse solution on the control parameters of the physical rack based on a target temperature circulation curve set by a user to obtain a boundary condition parameter set required by a virtual test; generating a virtual-real homologous file according to the parameterized model and the boundary condition parameter set; actual measurement temperature data after the physical rack executes the control instruction file and simulation temperature data after the finite element analysis software executes the simulation input file are collected; according to the two-dimensional topological structure of the fire power surface, virtual thermocouple measuring point coordinates are generated; establishing data channel mapping according to the measuring point coordinates of the virtual thermocouple; calculating temperature errors of the plurality of measuring points; when the temperature error exceeds a threshold value, a correction prompt for the measuring point is output; and verifying the parameterized model according to the correction prompt.
Owner:BEIJING INST OF TECH

Pouring temperature adjusting method and system combined with multi-dimensional sensor

The invention discloses a pouring temperature adjusting method and system combined with a multi-dimensional sensor, and relates to the technical field of pouring temperature control. The method comprises the following steps: performing temperature control key anchor point analysis based on a historical casting quality detection record set to obtain a temperature control abnormal anchor point set; obtaining an infrared sensor array and a thermocouple temperature sensor array; performing pouring temperature time sequence acquisition according to a preset monitoring frequency to obtain an infrared monitoring temperature value sequence array and a thermocouple monitoring temperature value sequence array; performing double analysis on temperature distribution uniformity and temperature fluctuation, and determining a temperature regulation and control scheme; and the pouring temperature of the target thin-wall automobile casting is dynamically regulated and controlled based on the temperature regulation and control scheme. The technical problem that in the prior art, the casting quality is unstable due to the fact that the pouring temperature of a thin-wall automobile casting is not accurately regulated and controlled is solved, accurate pouring temperature regulation and control are achieved through multi-sensor cooperative monitoring and temperature control key anchor point dynamic adjustment, and the technical effect of improving the casting quality stability is achieved.
Owner:NANTONG CHENGKE PRECISION DIECASTING CO LTD

Surface heat radiation testing device

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

Temperature sensor system compatible with SENT and PWM communication

The invention discloses a temperature sensor system compatible with SENT and PWM communication. The temperature sensor system comprises a thermocouple probe and a signal conditioning and protocol generating circuit. The SENT protocol hardware encoder is connected with the signal conditioning module and is used for encoding the temperature data into SENT frame signals; the PWM protocol hardware modulator is connected with the signal conditioning module and used for modulating the temperature data into PWM signals; and the protocol switching control module is connected with the digital configuration interface and is used for responding to a configuration instruction received through the digital configuration interface and activating the SENT protocol hardware encoder or the PWM protocol hardware modulator, so that the output of the temperature sensor system is switched between the SENT frame signal and the PWM signal. According to the invention, while the SENT and PWM protocols are compatible, the material cost is reduced and the operation convenience is improved.
Owner:SOOK AUTOMOTIVE COMPONENTS (JIANGSU) CO LTD

Temperature monitoring system and over-temperature protection method suitable for fusion reactor low-clutter system

The invention discloses a temperature monitoring system suitable for a fusion reactor low-clutter system and an over-temperature protection method. The temperature monitoring system comprises a high-speed temperature acquisition unit, a thermocouple sensor, an industrial control upper computer and a database server. A microwave excitation signal of the microwave excitation source is amplified by the microwave source klystron and then transmitted to the low-clutter coupled antenna through the microwave transmission line, and a plurality of temperature measuring points are arranged on the waveguide surface of the microwave transmission line and the end face of the low-clutter coupled antenna. Measurement output ends of the thermocouple sensors are uniformly accessed and gathered into the high-speed temperature acquisition unit and are uploaded to the industrial control upper computer, and the industrial control upper computer records and stores acquired multi-channel real-time temperature data, control signal output values and alarm events into the database server. The method has the advantages that early warning and temperature regulation are carried out for potential thermal runaway faults, so that the equipment safety of a high-power microwave transmission device and the normal operation of a low-clutter current driving system are guaranteed.
Owner:HEFEI INSTITUTE OF PHYSICAL SCIENCE CHINESE ACADEMY OF SCIENCES

Double-working-condition high-temperature-resistant total temperature sensing part

The invention relates to the technical field of aero-engine high-temperature and high-pressure testing, and particularly discloses a double-working-condition high-temperature-resistant total temperature sensing part which is suitable for a cooling-free working condition and a cooling working condition and comprises a shell, a lead device, a mounting base and a supporting framework. The shell comprises a front test piece and a rear protective sleeve which are formed by integrally weaving a ceramic matrix composite material; the windward side of the front test piece is semi-cylindrical, a temperature taking cavity is formed in the front test piece, an air leakage hole is formed in the outer wall, and a thermocouple is mounted in the temperature taking cavity; the lead device comprises a ceramic tube, a lead tube and a shielding cable accessory; the front test piece and the rear protective sleeve are connected by the support framework through a stepped combined groove, and a bent water cooling pipeline is formed in the support framework; and a cavity between the supporting framework and the front test piece is filled and sealed by high-temperature cement. According to the invention, short-time high-temperature measurement can be realized under a non-cooling condition, and long-time stable total temperature acquisition capability can be obtained under a cooling condition, so that structural reliability and temperature measurement precision in an extreme gas environment are both considered.
Owner:SHENYANG AEROSPACE UNIVERSITY

Temperature difference change generator

The utility model provides a temperature difference change generator, which comprises a main body and a water inlet II, the right side of the upper end of the main body is provided with a water inlet I and a water inlet II, the water inlet I and the water inlet II have the same specification, and the outer side of the main body is provided with a group of frames for limiting the position of the main body. Compared with the prior art, the thermoelectric power generation device has the advantages that external water is led into the thermocouple and the condenser through the first water inlet and the second water inlet respectively, the two sets of water are heated and cooled, the temperature of the two sets of water is lowered, and the temperature of the two sets of water is lowered. The cold water is guided into the cold and hot temperature difference box I and the cold and hot temperature difference box II through a hot flow guide pipe and a cold water guide pipe, and temperature difference changes are generated in the cold and hot temperature difference box I and the cold and hot temperature difference box II, so that thermoelectric generators in the cold and hot temperature difference box I and the cold and hot temperature difference box II generate thermoelectric electromotive force of semiconductors and generate power; compared with single cold and hot temperature difference box power generation, power generation efficiency and power generation capacity can be effectively improved.
Owner:CREATIVE YINHANG (SHANDONG) TECH CO LTD

Intelligent sensing system and method for working medium state in pulsating heat pipe based on temperature monitoring

This invention relates to the field of thermal management and sensing monitoring technology, specifically an intelligent sensing system and method for the working fluid state within a pulsating heat pipe based on temperature monitoring. The method involves arranging pipe sections on a pulsating heat pipe, composed of alternating frictional and non-frictional materials. A ring-shaped copper electrode is attached to the outer wall of the frictional material section and connected to an electrometer, while thermocouples are used to measure temperature in the non-frictional material section. As the working fluid flows through the frictional section, it generates solid-liquid (vapor) frictional charge signals, which are transmitted synchronously with the temperature signal to a processing system. Feature extraction and model analysis are then used to perceive the working fluid's flow state and phase change characteristics in real time, thereby achieving intelligent sensing of the working fluid flow and heat transfer characteristics within the pipe. This invention has advantages such as simple structure, high real-time performance, high sensitivity, and non-invasive monitoring, and can be widely applied to the monitoring of the working fluid state and thermal performance analysis and evaluation of pulsating heat pipes and other phase change heat transfer components.
Owner:CHANGCHUN INST OF TECH

An online detection and control system and method for mixed copper concentrate fed into a side-blown smelting furnace.

PendingCN122361337AConveyor beltMatrix composition
This invention discloses an online detection and control system and method for mixed copper concentrate fed into a side-blown smelting furnace, belonging to the field of copper concentrate engineering technology. It includes a batching system, a smelting furnace, and a data processing unit. The batching system and the smelting furnace are connected via a conveyor belt. A belt sampler is installed in the feeding section of the conveyor belt, along with a belt load sensor and a speed sensor. The smelting furnace is equipped with a plug-in thermocouple and an in-situ infrared sensor. The belt load sensor, speed sensor, plug-in thermocouple, and in-situ infrared sensor are all connected to the data processing unit. The matrix composition-detection parameter correction model can output optimal detection parameters within one second without manual intervention, adapting to the detection of samples with different matrix compositions and enabling adaptive adjustment. It can effectively counteract the interference of matrix components such as silicon, aluminum, and calcium on the laser spectrum, significantly improving the detection accuracy of impurity elements and specifically addressing the matrix effect; balancing efficiency and accuracy.
Owner:YUNNAN COPPER CO LTD

System and method for substantially horizonal rotating reflux distillation apparatus

A rotatable, reflux distillation system is disclosed that includes a rotatable, reflux distillation column, a lower end transition pipe, an upper end transition pipe, a rotational drive assembly, and a vapor reduction system. The rotatable, reflux distillation column is angled between 10-20 degrees from horizontal, and has a lower vapor input end and an upper fluid exit end. The lower end of the reflux distillation column is operatively associated with a lower seal housing, and the upper end of the reflux distillation column is operatively associated with an upper seal housing. The lower end transition pipe is operatively associated with the lower end of the reflux distillation column and includes a lower thermocouple, while the upper end transition pipe is operatively associated with the upper end of the reflux distillation column and includes an upper thermocouple and a fluid exit gate. The rotational drive assembly rotates the reflux distillation column. The vapor reduction system reduces the vapor into condensate liquid.
Owner:DEVTECH INC

A blast furnace hearth and bottom erosion discrimination method based on new installation and old thermocouple combination

The application provides a blast furnace hearth bottom erosion discrimination method based on new installation and old thermocouple combination, which comprises the following steps: (1) constructing a grid node according to a blast furnace structure parameter; (2) discriminating a damaged thermocouple on the grid node, and arranging a new thermocouple in a corresponding area; (3) measuring temperature data of each temperature monitoring node of the new thermocouple and the old thermocouple, and calculating temperature data of the temperature monitoring node at the corresponding damaged thermocouple by using the temperature data of the new thermocouple; and (4) establishing an area grid according to the temperature data of the temperature monitoring node in step (3), so that a hearth bottom erosion condition model is obtained. The application comprehensively considers the existing thermocouple distribution and damage condition of the hearth, reasonably arranges the arrangement points of the new thermocouple, and provides an effective shortcut for improving the long service life level of the blast furnace and guiding the safety production.
Owner:JIANGSU SHAGANG STEEL CO LTD +1

Variable diameter assembly for a plasma evaporation chamber and method of implementation

ActiveCN116638091BCrucibleParticle growth
A variable-diameter assembly device and implementation method for a plasma evaporation chamber includes a chamber wall, a variable-diameter inner liner, a variable-diameter guide rail, and thermocouples. The reaction chamber is an integral DC arc plasma evaporation chamber. The anode copper seat within the reaction chamber is located at the center of the bottom surface of the variable-diameter inner liner. The cathode is moved up and down by a lifting rod. A crucible is placed on the anode copper seat, and plasma is formed between the cathode and the anode material. The variable-diameter inner liner has an arc-shaped vertical cylindrical structure. Each inner liner plate can move along the variable-diameter guide rail, thereby adjusting the radius of the inner liner and controlling the particle size and distribution. Thermocouples are used to detect the temperature distribution within the space formed by the variable-diameter inner liner. This invention, through the design and implementation of a variable-diameter inner liner inside the evaporation chamber, can effectively change the particle growth space and control the particle size and distribution by adjusting the temperature gradient field. Without changing the overall size of the chamber, the size of key areas inside the chamber can be significantly adjusted, achieving control over the quality of the particulate product, improving energy utilization, and reducing preparation costs.
Owner:DALIAN UNIV OF TECH

Local induction tempering controlled cooling method for sealing head circular seam

The invention discloses an end socket circular seam local induction tempering controlled cooling method, and aims to optimize the welding heat treatment process through induction heating and controlled cooling technologies, improve the welding quality and ensure the mechanical property of a welding seam area. The method specifically comprises the steps that a follow-up trolley is guided to move in the annular direction through an annular guide rail, and it is ensured that an induction coil and a controlled cooling cover installed on the trolley can accurately control the heating and cooling processes; the temperature sensor array is combined with the contact type thermocouple and the non-contact type infrared probe to monitor the temperature of the workpiece, and it is guaranteed that the temperature difference is controlled within the specified range in the heat treatment process. A water cooling and fan system is matched with a temperature control cover, it is ensured that a weld joint area reaches a specified tempering temperature window, and the temperature and the cooling rate are accurately adjusted in the heat preservation and controlled cooling stages. And through zoning treatment and arrangement of overlapping regions, the uniformity of heat treatment is ensured, and the temperature gradient does not exceed 5 DEG C / cm. The whole process is automatically monitored and adjusted by the control unit, and a quality report is generated for final quality release.
Owner:CHANGZHOU LIANSHENG HEAD MFG CO LTD

Electroplating solution heating mechanism for aluminum alloy silver plating

The utility model provides an electroplating liquid heating mechanism for aluminum alloy silver plating, which relates to the technical field of electroplating liquid heating and comprises an electroplating tank, condensing equipment, a thermocouple fixedly arranged in the electroplating tank, a temperature control relay electrically connected with the thermocouple, a base, a coil pipe, a steam generator, a mounting frame and an airflow disturbance component, the electroplating liquid can be heated by combining the external snakelike winding heat tracing coil pipe with steam, so that corrosion caused by direct contact of the coil pipe with the electroplating liquid can be avoided, meanwhile, subsequent maintenance is convenient, airflow disturbance can be performed on the electroplating liquid on the basis of external heat tracing, the heating efficiency is optimized through dynamic heat exchange, and the service life of the electroplating liquid is prolonged. Therefore, the electroplate liquid is integrally heated uniformly, the defect of temperature difference is reduced, and the heating effect of the electroplate liquid is better.
Owner:ZHONGKE LIXIANG ELECTRIC (SHANDONG) CO LTD

A spoon capable of timing with temperature detection function

ActiveCN224671390UThermocoupleControl circuit
The utility model relates to the field of spade, disclose a kind of timing spade with temperature detection function, including scoop head and handle, the scoop head is threadedly connected with handle, the handle adopts detachable structure, including upper cover and lower cover, the upper cover lower surface and lower cover upper surface are pasted, the accommodating cavity is formed between the upper cover and lower cover, the accommodating cavity is fixed with: detection component, for real-time acquisition scoop head's working temperature, the detection component includes hot-wire thermocouple sensor embedded in scoop head end and control circuit board arranged in accommodating cavity, the signal output end of hot-wire thermocouple sensor is connected to the control circuit board in handle interior. In the utility model, by integrating detection function and timing function in handle, the mutual cooperation of temperature real-time monitoring and cooking countdown is realized, user can synchronously view current temperature and remaining time in the process of stir-frying, without additional operation or occupying another hand, improve the operation convenience.
Owner:周洁锋

High-temperature thermocouple temperature sensor easy to disassemble and assemble based on flexible coupling connection and engine

The invention provides a high-temperature thermocouple temperature sensor easy to disassemble and assemble based on flexible coupling connection and an engine. The temperature sensor is composed of an armored thermocouple assembly, a cold end sleeve assembly, a junction box assembly and a connector assembly. The sheathed thermocouple assembly is used for sensing the temperature of a medium in the engine and converting a temperature signal into a voltage signal through a K-type thermocouple alloy wire; the cold end sleeve assembly is used for transmitting a voltage signal of a K-type thermocouple alloy wire to a wire, realizing conversion of the sensor from a hard couple structure to a soft couple structure, and protecting the K-type thermocouple alloy wire at the same time. The junction box assembly is used for compensating the resistance value of the K-type thermocouple and bundling signals of a plurality of thermocouples at the same time, so that the stability of signal output is guaranteed. On the premise that the performance of a traditional high-temperature thermocouple sensor is guaranteed, the disassembly and assembly difficulty of the sensor in the using process is reduced by adding the structural design of soft coupling connection.
Owner:WUHAN AVIATION INSTR

Heat treatment method for narrow-spacing welding seam of pipeline

The invention provides a heat treatment method for narrow-interval welding seams of a pipeline, and belongs to the technical field of metal material welding heat treatment. The method comprises the steps that the interval between every two adjacent welding seams and the diameter and thickness of the pipeline are measured; performing hardness detection on the two welding seams, the base metal around the welding seams and the base metal in the middle area of the two welding seams; arranging a thermocouple at the hardness detection position; the two welding seams and the adjacent areas of the two welding seams are wrapped with heating pieces correspondingly; heat preservation pieces are arranged on the surface of each heating piece, the area where the heating pieces are not arranged between the two weld joints and the area where the two heating pieces deviate from each other; setting heat treatment time and temperature for heat treatment according to pipeline wall thickness and hardness detection results; and detecting the weld hardness after heat treatment to finish heat treatment. According to the method, through division of the areas of the two welding seams, hardness detection, thermocouple arrangement and heat preservation cotton arrangement, on-site simultaneous heat treatment of the two welding seams with the small distance is achieved, the heat treatment standard requirement is met, meanwhile, time can be saved, and damage to materials is avoided.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Gas pressure stabilization control device for blast furnace coal injection and pulverizing system

The utility model discloses a coal gas pressure stabilizing control device for a blast furnace coal injection and pulverizing system. A waste gas pipeline is provided with a waste gas fan, a waste gas electric regulating valve, a waste gas flowmeter and a waste gas pressure transmitter; a coal mill inlet temperature thermal resistor and a coal mill inlet pressure transmitter are arranged on the outlet pipeline; a coal gas pressure transmitter, a coal gas flowmeter and a coal gas electric control valve are arranged on the coal gas pipeline, and an outlet temperature thermocouple and an outlet pressure transmitter are further arranged on the outlet pipeline; a waste gas carbon monoxide detector and a waste gas oxygen content detector are arranged on the waste gas pipeline; and a gas pneumatic quick switching valve, a gas electric blind plate valve, a gas electric butterfly valve and a carbon monoxide heat conduction type gas analyzer are arranged on the gas pipeline, and the number of the gas electric control valves is larger than or equal to two. According to the utility model, the gas regulating valve or the bypass pipeline three-valve group is additionally arranged, so that a monitoring instrument is perfected, and the gas flow and pressure are accurately controlled.
Owner:QINGDAO HENGTUO ENVIRONMENTAL PROTECTION TECH

Dark-red enameled pottery inner cavity temperature real-time monitoring system based on digital processing

The invention relates to the technical field of dark-red enameled pottery temperature monitoring, and discloses a dark-red enameled pottery inner cavity temperature real-time monitoring system based on digital processing. The system comprises a dynamic temperature sensing module, a multi-dimensional temperature field reconstruction module, an abnormal heat source positioning module, a temperature field evolution prediction module and a self-adaptive sampling control module. The dynamic temperature sensing module acquires original temperature data of different depths of an inner cavity by using a distributed thermocouple array, and de-noising is performed through an adaptive filtering algorithm to obtain a real-time temperature waveform; the multi-dimensional temperature field reconstruction module combines the geometric parameters and the heat conductivity coefficient of the kettle, builds a model by means of a three-dimensional interpolation network, and outputs a four-dimensional temperature tensor with space-time coordinates; the abnormal heat source positioning module carries out tensor measurement on the abrupt change area and inversely calculates the position of an abnormal heat source; the temperature field evolution prediction module predicts a diffusion path by means of a time sequence convolutional network and generates a trend chart; the self-adaptive sampling control module adjusts sampling parameters according to a graph, and sets encryption points in a high-gradient area to adapt to the temperature change of the inner cavity.
Owner:NANTONG VOCATIONAL COLLEGE

A method for non-destructive temperature monitoring of a specimen for thermal loading tests

The present application relates to temperature heating and monitoring method in thermal load test, specifically relates to a kind of sample nondestructive temperature monitoring method for thermal load test, comprising the following steps: the deformation of sample in the set thermal compression operating mode is calculated, the size of open collar made of easy-to-weld material is confirmed accordingly, and open collar is made;After the side surface of sample is polished flat with sandpaper, flexible heat-conducting material is wrapped on the side surface of sample, forming "heat-conducting material-sample integrated structure";The open collar is installed on the side surface of "heat-conducting material-sample integrated structure";After welding thermocouple on the surface of open collar, the sample is installed in test loading equipment, and temperature measurement and control in subsequent test process can be carried out, the temperature of open collar and sample reaches equilibrium after insulation, and the temperature measured by thermocouple is the temperature of sample.The present application can guarantee the smooth development of thermal load test, and then obtain the high-temperature service performance of material, to provide basis for its design selection.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Heat insulation acceleration calorimeter furnace body

The utility model provides a heat insulation acceleration calorimeter furnace body, which relates to the technical field of calorimeter furnace bodies and comprises a calorimeter furnace body, a heat insulation plate is embedded and fixedly connected in the inner wall of the calorimeter furnace body, and a heating plate is fixedly connected on the inner wall of the calorimeter furnace body and close to the top. The inner wall of the top of the calorimeter furnace body is embedded and fixedly connected with a heat flow sensor and a thermocouple temperature sensor, the top of the calorimeter furnace body is provided with a carrier gas pipeline, a reaction gas pipeline, a cooling liquid pipeline, an exhaust pipeline and a pressure balance pipeline at equal intervals, and the surface of the calorimeter furnace body is provided with a furnace mouth. According to the calorimeter furnace, the heat insulation plate is embedded and fixedly connected into the inner wall of the calorimeter furnace body, so that the heat insulation effect of the calorimeter furnace body can be achieved, the effect of reducing temperature dissipation can be achieved, the effect of positioning the whole system in a heat insulation state can be improved, and the accuracy of thermal decomposition thermodynamics and dynamics calculation results is further improved.
Owner:HANGZHOU JIANHE PRECISION MFG CO LTD