934results about "Calorimeter" patented technology

The invention relates to the technical field of thermotechnical measurement and signal processing, in particular to a multi-sensor linkage heat flux density-temperature real-time acquisition and error compensation method, which comprises the following steps: S1, constructing an embedded sensing array on a surface to be measured; s2, synchronously acquiring original measurement values of the sensors by taking 10ms as a period, and generating an original data matrix with a timestamp identifier; s3, extracting a three-dimensional temperature gradient field, and calculating to obtain a convective disturbance intensity coefficient of each measurement point; s4, establishing a dynamic error compensation model, and performing point-by-point error correction on the original data matrix; s5, cross validation is carried out, and credibility evaluation parameters are generated; and S6, carrying out weighted fusion, and outputting a final heat flux density-temperature coupling measurement value. According to the invention, through multi-sensor array cooperative acquisition, dynamic error compensation and credibility weighted fusion, high-precision, strong-anti-interference and high-credibility output of heat flux density and temperature measurement is realized.

The invention provides a small-sized long-time heat flow measurement sensor and a measurement method suitable for two inverse problem algorithms. The small-sized long-time heat flow measurement sensor and the measurement method are used for measuring heat flow by using a calibration integral equation method and a space propulsion method. The sensor comprises a shell, a heat insulation material, a heat conduction material, a first thermocouple and a second thermocouple, the shell is of a cylindrical structure with an opening in one end, a cylindrical heat conduction material which is coaxially arranged is arranged in the shell, the first thermocouple and the second thermocouple are arranged between the heat conduction material and the shell, and the collecting ends of the first thermocouple and the second thermocouple are embedded into the heat conduction material; and other areas between the heat conduction material and the shell are filled with a heat insulation material. The sensor is compact in structure and small in size, and can be embedded in a material for measurement. And meanwhile, the sensor has relatively high precision and stability, can accurately output a prediction solution of a measuring point in short-time or long-time measurement, and has a relatively large application range and practicability.

The invention discloses a liquid cooling test system, a liquid cooling server and a liquid cooling server test method, and relates to the technical field of server cooling, a first sensing assembly and a second sensing assembly are arranged at the liquid inlet end and the liquid outlet end of to-be-tested electronic equipment respectively, and according to data collected by the first sensing assembly and the second sensing assembly, the liquid cooling server is tested according to the data collected by the first sensing assembly and the second sensing assembly. The cooling liquid distribution unit adjusts the internal working state of the cooling liquid distribution unit to adapt to the flow and flow resistance characteristics of different electronic nodes in the to-be-tested electronic equipment, and compared with the related technology, the cooling liquid distribution unit does not need to be redesigned, so that the technical problem that the use efficiency of a model machine immersion cooling system in the related technology is reduced can be solved, and the test efficiency is improved. And the use efficiency of the immersion cooling system of the prototype is improved.

The invention discloses a lithium battery thermal parameter online monitoring method and equipment. According to the method, a one-dimensional heat transfer model of the battery is established, and a finite element model is solved by inversion of battery surface temperature change actually measured in operation, so that combined monitoring of the heat conductivity coefficient, the convective heat transfer coefficient, the average temperature and the heat production power P of the lithium battery is realized. Meanwhile, only the temperature sensor needs to be arranged on the surface of the battery, the battery does not need to be disassembled or an internal sensor does not need to be implanted, the battery integrity is kept, and the method is suitable for battery full-life-cycle monitoring. According to the method, the key thermal parameters of the lithium battery can be identified online in a non-intrusive, low-cost and high-reliability manner, support is provided for thermal management, health assessment and thermal safety early warning of the battery, and the method is suitable for various battery configurations and thermal management systems.

The invention discloses a new energy building integration energy-saving design analysis method, and relates to the technical field of new energy building integration, and the method comprises the following steps: carrying out the time sequence alignment and unit normalization processing of collected heat flow data, temperature rise data and power output data; according to the heat conduction characteristic of the heat conduction structure and the thermal inertia parameters of the building enclosure structure, a heat flux track and a thermal response profile with a unified thermal resistance reference axis are constructed; and based on the heat flux track and the thermal response profile, extracting a reverse heat flux strength parameter and a heat flux continuous influence duration parameter, and combining the parameters with a temperature control target and a heat conduction structure attribute set in the building to construct a reverse heat conduction interference atlas for judging the heat conduction interference degree of the cold load in the building. The problem of cold load misjudgment caused by the fact that photovoltaic heat is transmitted through a high-heat-conduction structure is solved, and cold and heat conduction accurate recognition and energy consumption dynamic regulation and control are achieved.

The invention relates to the field of equipment verification, in particular to a thermostatic bath and a thermostatic method. The constant temperature bath comprises at least one constant temperature bath unit, the magnetic stirrer is rotationally arranged at the inner bottom of the tank body, the cooling fan is arranged at the outer bottom of the tank body, the magnet is arranged on the cooling fan and rotates along with the cooling fan, the semiconductor chilling plate wraps the periphery of the tank body and the periphery of the cooling fan, and the cooling fin is attached to the semiconductor chilling plate. The size of the calorimeter temperature sensor calibrating device is reduced, the operation efficiency and the automation degree are improved, and the temperature can be uniformly controlled.

The invention discloses a load management operation method for comprehensive energy optimal configuration, and relates to the technical field of energy management, and the method comprises the following specific steps: microclimate partition division: carrying out the comprehensive field exploration of a target region, collecting the landform, building layout and vegetation coverage data, analyzing the influence of each factor on the microclimate formation, and carrying out the calculation of the microclimate; according to the method, a partition division basis is determined according to the difference between airflow and heat caused by topographic relief, the influence of a building on sunlight and ventilation and local microclimate characteristics of vegetation construction, and a linkage model comprehensively considering the relationship among a microclimate partition state, a building adjustment behavior and an energy load is established; the complex relation among microclimate parameter changes, building adjustment action changes and energy load changes is accurately reflected, meanwhile, according to state changes after building adjustment, the energy management system can dynamically optimize an energy configuration scheme, unnecessary energy transmission and conversion links are reduced, and the energy utilization rate is improved. And deep optimization configuration of comprehensive energy of the whole area from generation, transportation to use is realized.

The utility model relates to the technical field of heat meters, and discloses a heat meter with a positioning and mounting function, which comprises a heat meter body, a heat supply pipe and a mounting pipe, and is characterized in that a T-shaped hinge block drives a transverse rod to move towards the center of a heat supply pipe flange through a mounting sheet and a vertical rod; the distance between the abutting block and the flange of the heat supply pipe is adjusted by rotating the fixed disc, then the fixed disc is rotated until the abutting block is aligned with the flange hole of the heat supply pipe, the compressed spring II pushes the nut to enable the abutting block to be inserted into the flange hole of the heat supply pipe, and then the bolt is screwed into the mounting hole to be connected with the nut. And bolts are screwed into the mounting grooves and the mounting pieces, so that the telescopic pipes, the mounting pipes and the flanges of the heat supply pipes are mounted, and the heat meter body can enable the mounting pipes and the flanges of the heat supply pipes to be accurately positioned and connected in some spaces where pipelines are densely distributed by pushing and rotating the mounting pipes.

The invention discloses a multi-channel high-precision three-dimensional microcalorimeter, and belongs to the technical field of microcalorimeters, the multi-channel high-precision three-dimensional microcalorimeter comprises a support block, a furnace body is arranged above the support block, a heat insulation layer is arranged in the furnace body in sequence, a heating cylinder is arranged in the heat insulation layer, a heat uniformizing block is arranged in the heating cylinder, and the heat uniformizing block is arranged in the furnace body. The device comprises a heat uniformizing block, a heat measuring cavity is formed in the heat uniformizing block, a heat uniformizing block temperature sensor is arranged at the circle center of the heat measuring cavity, a plurality of heat measuring channels are arranged in the heat measuring cavity around the circle center of the heat uniformizing block at equal intervals, the distances between every two adjacent heat measuring channels are the same, and three-dimensional thermopiles are arranged on the outer walls of the heat measuring channels in a sleeving mode. The number of the heat measuring channels is at least three. According to the multi-channel high-precision three-dimensional microcalorimeter, multiple channels are arranged, multiple groups of experiments, especially comparative experiments, can be carried out at the same time, the experiment efficiency can be greatly improved, and the research and development progress of scientific researchers is accelerated.

The invention provides a neutral electrode heat effect test method and system, and relates to the field of neutral electrode detection. The invention relates to a neutral electrode heat effect test method, which comprises the following steps of: attaching a neutral electrode to a contact unit of one or more of a plurality of test modules; the contact units are conducted with the corresponding direct connection units; determining at least part of the plurality of test modules as initial effective test modules; acquiring an attachment safety threshold value of the neutral electrode, and selecting at least part of the initial effective test modules as final effective test modules according to the attachment safety threshold value; the contact unit of the final effective test module is conducted with the corresponding human body skin impedance unit; and after the first current is continuously applied to the neutral electrode within the first time period, temperature rise temperature data of each final effective test module is obtained, and the heat effect data comprises the temperature rise temperature data.

Provided is a calibration member for calibration of an image of a color forming member, which forms a color with density distribution corresponding to an amount of energy applied thereto, in a captured image obtained by imaging the color forming member by an imaging device, the calibration member including a support that includes a first region on which the color forming member is placed and a second region on which a calibration image for calibration of the image of the color forming member is disposed and a transparent member that covers the color forming member placed on the first region of the support and of which a surface that serves as an imaging target surface in a case where the color forming member is to be imaged has a low gloss.

The invention relates to the technical field of heat meter performance test and operation and maintenance management, in particular to a heat supply working condition multi-source parameter real-time acquisition heat meter performance intelligent analysis system, which comprises a working condition simulation subsystem, a multi-source parameter real-time acquisition module, an intelligent analysis engine and data management and visual interaction interface, and a digital twinning virtual calibration module. Multi-dimensional variable working conditions are constructed through the working condition simulation subsystem, the acquisition module realizes high-precision synchronous acquisition, the intelligent analysis engine integrates multiple algorithms to complete data fusion, performance prediction, health degree evaluation and fault early warning, and the data management module realizes whole-process closed-loop management. The heat meter test accuracy and the working condition coverage are improved, intelligent analysis and accurate calibration are achieved, the operation and maintenance cost is reduced, and stable and efficient operation of a heat supply system is guaranteed.

The invention provides a post-processing type multipurpose measuring sensor based on a calibration integral equation method and a measuring method.The sensor body is made of a cylindrical stainless steel heat conduction material, one end of the stainless steel heat conduction material is a measuring end, the other end of the stainless steel heat conduction material is a heat insulation end, and the stainless steel heat conduction material is wrapped with a heat insulation material; and a thermocouple is arranged between the stainless steel heat conduction material and the heat insulation material. The sensor is provided with a slender and exquisite structure, supports probe type operation, can be inserted into a detected body through punching, avoids dependence on surface attachment, keeps high precision within an error range, and better meets the requirements for flexibility and practicability of the sensor in industrial production.

The invention relates to the technical field of fermentation temperature measurement, in particular to a microbial fermentation temperature high-precision monitoring method and system.The method comprises the steps that correlation between fermentation temperature and fermentation heat data of any fermentation layer at all moments in all time periods is analyzed; determining the data credibility according to the similarity of the fermentation temperature variation trend of any fermentation layer and the fermentation temperature variation trend of all the other fermentation layers, so as to screen out a characteristic time period and a characteristic fermentation layer; and based on the fermentation temperature difference between each moment and the adjacent moment of any characteristic fermentation layer, determining a noise characteristic value to screen out a noise moment, de-noising the fermentation temperature at the noise moment, and monitoring the de-noised fermentation temperature. According to the method, the problem that the real fermentation temperature has no judgment noise and is smoothed when the data is denoised by adopting a traditional digital filtering algorithm is solved, and the precision and the reliability of monitoring the microbial fermentation temperature are improved.

The invention provides a curved-surface conformal wireless passive heat flow sensor and a preparation method thereof, and belongs to the technical field of high-temperature sensors. The heat flow sensor comprises a metal wire, a silicon carbide substrate, a sensitive layer and a thermal resistance layer which are sequentially arranged from bottom to top; the sensitive layer comprises a thermopile, an inductor, a capacitor and a microstrip antenna which adopt an ink direct writing process and are made of metal, one end of the thermopile is connected with the capacitor, and the microstrip antenna and the inductor are connected with the other end of the thermopile; the thermal resistance layer is provided with at least one opening to expose a thermal junction of the thermopile; the metal wire connects the inductor and the capacitor to form a resonant circuit. The whole heat flow sensor is flexible, can be adaptively attached to the surface of a curved part, has the characteristic of high temperature resistance, realizes wireless and passive transmission of heat flow signals, and solves the problems that the lead is difficult to lead and the lead is easy to break in a high-temperature and high-rotation environment.

The invention discloses a convective heat flow calibration device and method, the device comprises an air compressor air source, a regulating valve, an electric heater, a stable section and a test section which are connected in sequence, and pure air flow generated by the air compressor air source is heated by the electric heater, then enters the stable section to be rectified, and then enters the test section to be accelerated; the test section comprises a spray pipe, a reference flat plate, a calibration flat plate, a shielding radiation source and a film thermocouple, the reference flat plate and the calibration flat plate are completely consistent in boundary dimension and symmetrically located on the two sides of a nozzle of the spray pipe, the shielding radiation source is located in the center of the interior of the spray pipe, and the film thermocouple is plated on the surface of the shielding radiation source; two film platinum resistors are symmetrically plated on the center of the reference flat plate to serve as reference platinum resistors, a calibrated heat flow meter is installed in the center of the calibration flat plate, and film platinum resistors are plated on the periphery of the calibrated heat flow meter. The device can provide a uniform and stable heat flow field which can be continuously adjusted within a certain working condition range, and can be used for calibrating or verifying a convection heat flow meter.

The invention discloses a denoising method for heat flow signal measurement of a box body of a refrigerating device. The denoising method comprises the following steps: S1, obtaining a to-be-denoised steady-state heat flow signal of the refrigerating device; s2, constructing a digital filtering algorithm heat flow denoising model; s3, constructing a repeatability steady-state evaluation index and a fidelity steady-state evaluation index; s4, constructing a repeatability dynamic evaluation index and a fidelity dynamic evaluation index; s5, selecting an optimal filtering model and working parameters thereof; s6, determining the capacity of a heat flow signal sample; and S7, determining the sampling period of the heat flow signal sample. According to the method, a multi-dimensional quantitative evaluation index based on the repeatability and fidelity of the denoising effect is provided, the repeatability and the fidelity are considered, the optimal working parameters of the filters can be determined, and the denoising effect of each filter is compared by adopting the intersection region rule; and a filter with large denoising amount and relatively high signal characteristic fidelity level and working parameters of the filter are easy to select.

The invention discloses a method for calculating the temperature of a rarefied flow field through convective heat flow and the surface temperature of a Gordon meter, and the method is used for measuring the incoming flow temperature of a rarefied fluid wind tunnel, and comprises the steps: installing the Gordon meter and a radiation heat flow meter on a moving motor at a certain interval, and controlling a measurement point through the moving motor, the measuring point is an area covered by the incoming flow direction; after a measuring point is selected, under the same working condition, a moving motor sequentially measures the total heat flow Q (average value) and the pure radiation heat flow qr of the measuring point, the heat flow average value Qc = Q-qr of convective heat transfer is obtained, and an infrared pyrometer is used for measuring the center temperature Tr = 0 of a Gordon meter; and calculating the incoming flow temperature Tf and the convective heat transfer coefficient h of the current measurement point according to the convective heat flow Qc and the constantan foil center temperature Tr = 0 of the Gordon meter. According to the invention, a simple structure is used for replacing a complicated measurement system of a conventional rarefied wind tunnel temperature measurement method, and the problem that in a highly rarefied wind tunnel, the signal of a spectrum temperature measurement method is weak, and the temperature measured by a thermocouple is difficult to reflect the actual temperature of a flow field is solved.

The invention belongs to the technical field of batteries, and provides a battery heating power testing device and a calculating method.The device comprises a testing tool box, a heat preservation layer, a plurality of temperature sensors, a temperature collecting device, a charging and discharging device and a power line, the power line is used for connecting the charging and discharging device and a battery, and the battery is contained in the testing tool box; the test tool box is provided with a wiring hole used for arranging a power line and a temperature sensor, and the wiring hole is provided with a sealing structure. According to the battery heating power testing device and the calculation method, battery spontaneous heating, convective heat transfer between the battery and the internal environment of the testing tool box and radiative heat transfer between the battery and the inner surface of the testing tool box are calculated based on the heat balance principle, and the battery heating power calculated through the method is small in error, high in accuracy and high in reliability. And an important basis can be provided for battery thermal evaluation.

The invention discloses a low-temperature transmission pipeline heat leakage test system, which is characterized by comprising a data processing unit, a main valve box, a rear connecting box, an exhaust measuring device and a test sample section, the main valve box is hermetically connected with the exhaust measuring device through the test sample section; low-temperature working medium input and output pipelines and cold shield medium input and output pipelines are arranged in the main valve box; a low-temperature valve, a heater, a pressure transmitter, a temperature sensor and a safety valve are arranged on the low-temperature working medium input pipeline; the low-temperature transmission pipeline to be subjected to heat leakage test in the test sample section and the low-temperature working medium loop pipeline in the rear connecting box form a low-temperature working medium transmission channel; a cold shield medium transmission channel is arranged to provide a cold shield for the low-temperature working medium transmission channel; the low-temperature working medium output pipeline is connected with the recycling air bag through the exhaust measuring device and is used for recycling the low-temperature working medium; the data processing unit calculates the enthalpy of the low-temperature working medium at the outlet and the enthalpy of the inlet of the low-temperature transmission pipeline according to the temperature and the pressure, and obtains the heat leakage value through the enthalpy difference.

The invention discloses a chromium-doped indium oxide-based high-temperature heat flux sensor and a preparation method thereof, a screen printing technology is adopted, a slurry formula and printing process parameters are optimized, a thermopile structure is accurately formed on a high-temperature-resistant ceramic substrate, and then a thermopile and a thermal resistance layer are subjected to step-by-step high-temperature sintering treatment, so that the chromium-doped indium oxide-based high-temperature heat flux sensor is obtained. And firm combination between the thin film and the substrate and densification of a microstructure are ensured. The finally prepared sensor has excellent high-temperature oxidation resistance and long-term working stability, is stable and reliable in thermoelectric output signal, meets the strict requirements of aerospace, energy power and other fields on high-temperature heat flow measurement, is suitable for heat flow monitoring in high-temperature combustion environments, high-speed pneumatic heating and other scenes, and has wide application prospects. And a reliable test means is provided for design and performance evaluation of the thermal protection system in an extreme environment.

The invention relates to the technical field of heater performance testing, in particular to an all-copper quick-heating heater assembly performance testing device and method.The device comprises a water tank, a containing base, a heat insulation cover, a temperature measuring mechanism and an upper connecting piece moving up and down, and the water tank is divided into two parts through a partition plate and used for containing water and a calcium carbonate solution; the placing seat comprises a door-shaped bracket, a lower connecting piece and an auxiliary bearing piece, and the heater is fixed by the upper connecting piece and the lower connecting piece; water pressure resistance detection and thermal efficiency detection are integrated, so that the heater does not need to be disassembled and assembled back and forth during different detections, and the operation convenience is improved; when the thermal performance of the heater is evaluated, besides the conventional thermal efficiency, the heating rate, the heating uniformity and the heat storage capacity of the heater are evaluated by performing multi-point temperature measurement on the surface of the heater, in addition, the influence of scale on the thermal efficiency and the heat storage capacity is simulated by heating a calcium carbonate solution, and multiple detection functions are integrated; and the performance of the heater is evaluated from multiple aspects.

The invention discloses a high-power thin film thermopile laser power meter and a preparation method thereof, and relates to the technical field of laser detection equipment. The high-power thin-film thermopile laser power meter comprises a thermopile chip and a heat sink packaging shell, the thermopile chip comprises a substrate, a thermopile layer is arranged on the substrate, the thermopile layer comprises a plurality of thermocouple lines, the adjacent thermocouple lines are connected in series, the thermocouple lines are distributed in a square shape, the thermocouple lines are distributed in a step shape, and the thermopile chip is connected with the heat sink packaging shell. And a cold end thermal resistance layer and a hot end thermal resistance layer are respectively arranged above the cold end and below the hot end of the thermopile layer. The structure of the thermopile is optimized, the heat transfer path in the thermopile chip is regulated and controlled, the stability of the thermopile chip in a low laser power test is improved, the preparation process is improved, and the cost is reduced. The problems that an existing thin film thermopile laser power meter is low in sensitivity and poor in stability during low-power measurement, and a thermopile chip is prone to aging and poor in stability during high-power density measurement are effectively solved.

The invention discloses an on-line fault diagnosis method and system for a heat meter, and relates to the technical field of energy metering. When the system is operated, data are collected and preprocessed in real time through an integrated sensor group, key features are extracted to form a feature vector FVEC, and an on-line anomaly detection algorithm and a fault type judgment model are utilized to determine the fault type of the heat meter; and an anomaly detection index AS and a fault feature probability index TYP are accurately calculated. The data not only can reflect the health state of the system in real time, but also can further optimize a response strategy and fault judgment by executing an iteration module, so that the system has self-diagnosis and self-adaptive adjustment capabilities. The optimization process can effectively overcome the defect that a traditional heat meter system cannot process and detect faults online in real time, the accuracy and response speed of fault recognition are improved, equipment damage or energy waste caused by delayed detection is avoided, and then continuous and stable operation of the system is ensured.

The invention relates to the technical field of integrating instruments, in particular to a multi-interface heat flow integrating instrument, which comprises a multi-system input interface unit, and is characterized in that pulse signals, 4-20mA current signals and differential voltage signals are accessed through a phoenix terminal array; the input end of the heterogeneous switch matrix is electrically connected with the output end of the multi-system input interface unit, and the heterogeneous switch matrix is used for matching signal types and frequency bands of output signals of different types of sensors; and the input end of the optomagnetic double-coupling driving module is connected with the control port of the heterogeneous switch matrix, so that the signal integrity and the system safety are improved. Compared with the prior art, by arranging the multi-system input interface unit, the standby power consumption is greatly reduced, the system response speed is improved, the structure has the characteristics of high adaptability, high compatibility and low power consumption, and a high-reliability and intelligent access platform is provided for parallel deployment of various heat flow sensors.

In an example, an electronic device includes an electronic component with a temperature sensor to measure a first operating temperature of the electronic component at a first operating state having a first power value; and measure a second operating temperature of the electronic component at a second operating state having a second power value. The electronic device includes a controller to determine a first delta between the first operating temperature and an ambient temperature and determine a second delta between the second operating temperature and the ambient temperature. The controller is to determine a thermal resistance value and provide a notification when difference between a target thermal resistance value and the thermal resistance value exceeds a threshold.

[Object] To provide a Peltier element with an ultra-low thermal resistance heat flux sensor that is capable of detecting heat flow passing through the Peltier element at high speed and has negligible thermal resistance.[Solving Means] It has a structure in which an anomalous Nernst heat flux sensor 20 is formed directly on one or both of an upper part and a lower part of an insulating board that forms a Peltier element 10. The present invention is favorably characterized in that each fine line (22a) of a thermoelectric generator is formed of a magnetic material having residual magnetization even in absence of an external magnetic field and is magnetized in a direction orthogonal to a length direction of the fine line, and each fine line (23a) of a connector is formed of a ferromagnetic material that is magnetized in a direction opposite to a direction in which each fine line (22a) is magnetized, a magnetic material having a Nernst coefficient with an opposite sign to that of each fine line (22a), or a non-magnetic material.

An apparatus and method for initiating thermochemical events in an adiabatic reaction calorimeter are provided. The apparatus and method may be used in safety research of lithium battery and reactive chemical thermal runaways. The apparatus comprises a motor-driven conductive heating element in thermal contact with the outer surface of the reaction in the sample container for heat transfer during heating ramp. The heating element is heated and coupled to the sample container to initiate thermal runaway and decoupled once thermal runaway is initiated, which is much faster than many existing slow heating methods used to initiate thermal runaway. Alternatively, when the heating element is kept attached until the completion of the thermal event, a power-compensation DSC curve is resulted.

The invention relates to an adiabatic thermal device and method based on laser absorption spectrum tomography, which are suitable for application scenes requiring high precision, high sensitivity, dynamic quick response and lithium battery thermal runaway gas production temperature data measurement. The invention designs a battery thermal runaway measuring device combining thermal insulation heat and tunable semiconductor laser absorption spectroscopy (TDLAS) tomography, and the thermal runaway of the lithium battery can be measured by accurately measuring and reconstructing data signals of a two-dimensional temperature field of gas produced by the thermal runaway of the lithium battery and combining the gas production pressure, the temperature of the lithium battery and current and voltage data. And high-precision and high-sensitivity dynamic measurement of the thermal runaway process of the lithium battery is realized. The method solves the problems that a traditional temperature measurement method cannot realize lithium battery thermal runaway gas production temperature space distribution measurement and gas temperature measurement dynamic response lags behind, and provides support for lithium battery thermal runaway mechanism research.

To provide a technique capable of accurately estimating heat energy consumption of a heat utilization facility without requiring an expensive flowmeter and without stopping a factory.SOLUTION: An estimation device (1) includes an estimation unit (11) configured to acquire a first measurement value from each of a plurality of heat utilization facilities (21 to 22) and calculate an estimation value of thermal energy consumption of each of the plurality of heat utilization facilities (21 to 22) from the first measurement value, a correction value calculation unit (12) configured to calculate a correction value from an analysis value of a drain flow rate of an entire plant (2) including the plurality of heat utilization facilities (21 to 22) calculated by a simulator (3) and an actual measurement value of the drain flow rate of the entire plant (2), and an estimation unit (13) configured to estimate the thermal energy consumption of each of the plurality of heat utilization facilities (21 to 22) by correcting the estimation value using the correction value.SELECTED DRAWING: Figure 4