736results 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 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 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.

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 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.

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

A structure is provided that includes a thermal dissipation measurement sensor located on the frontside or the backside of a semiconductor device. The thermal dissipation measurement sensor includes a first probe region and a second probe region that are interconnected by a plurality of metal lines that are arranged in a serpentine pattern and having at least one non-powered metal line located between, and spaced apart from, each of the metal lines.

The invention relates to the technical field of heat management of new energy automobiles, in particular to a cooling liquid flow calculation method of a thick film heater, which realizes backstepping calculation of the cooling liquid flow through a multi-parameter fusion monitoring algorithm, can quickly respond at the moment of failure of a flow sensor, timely adjusts the power of the heater or stops heating, and improves the heating efficiency. The occurrence of overhigh temperature is effectively avoided, the safety and reliability of the thick film water heater are remarkably improved, and the running risk of a vehicle is reduced; stable operation of the vehicle heating system, the battery preheating system and the like is ensured, a more comfortable driving and riding environment is provided for drivers and passengers, meanwhile, the performance and the service life of the battery are guaranteed, and the overall quality and the user experience of the new energy vehicle are improved.

A heat flux sensor device (100) comprising a semiconductor substrate layer (104) and a cap layer (102) that has a substrate-facing side (106) and a reception side (108). The cap layer (102) is bonded on the substrate-facing side (106) to the substrate layer (104), and the substrate layer (104) and the cap layer (102) together defining a first cavity (116). A first thermal sensor element (120, 122) is disposed within the first cavity (116) and configured to translate thermal energy proportional to a temperature difference between the cap layer (102) and the substrate layer (104) into first electrical energy. Signal processing circuitry is provided operably coupled to the first thermal sensor element (120, 122) and configured to use the first electrical energy generated by the first thermal sensor element (120, 122) to measure a heat flux flowing from the cap layer (102) to the substrate layer (104). The first cavity (116) is opaque to infrared electromagnetic radiation incident from the reception side (108) of the cap layer (102).

The invention provides a laser pulse detection circuit and a laser energy detection method and system, and the circuit comprises a photodiode which is used for converting an optical signal of a to-be-detected laser pulse into a pulse current signal; the conversion unit is used for converting the pulse current signal into a pulse voltage signal; the peak holding unit is used for holding the peak pulse voltage of the pulse voltage signal and outputting the peak pulse voltage; the analog-to-digital converter is used for collecting the peak pulse voltage and converting the peak pulse voltage into a digital signal; the pulse width detection unit is used for collecting the width of the pulse voltage signal so as to represent the pulse width of the laser pulse to be detected; and the release unit is used for releasing the peak pulse voltage held by the peak holding unit at the end of the current detection period. The peak value and the pulse width of the pulse voltage signal are detected at the same time, the peak value and the pulse width serve as virtual data for calculating the light energy of the laser, the linear relation with the actual waveform integral value is combined, and effective evaluation of the light energy is achieved.

The invention provides a concrete structure construction period temperature deformation cracking risk prediction method comprising the following steps: S1, temperature monitoring: after concrete structure pouring is completed, continuously monitoring a concrete internal and surface temperature development curve; s2, inverting thermal parameters, namely inverting an equivalent adiabatic temperature rise curve and an equivalent thermal diffusivity of concrete under a field condition and a convective heat transfer coefficient of the concrete under a template in-place condition by combining a monitoring temperature, an environment temperature and a heat preservation condition and utilizing a heat conduction equation inverse analysis method; s3, prediction in the form removal period and the later period: inputting the thermal parameters obtained by inversion into finite element software, performing temperature field prediction, switching a boundary condition to be a heat exchange coefficient after form removal, and simulating subsequent temperature evolution; s4, risk index calculation and grading: calculating a risk index, and quantifying or grading the cracking risk according to a set threshold value; s5, performing construction decision linkage; according to the method, the thermal parameters of the concrete can be quickly inverted by utilizing early field measured temperature data.

The invention relates to a method (100) for determining an amount of thermal energy supplied to a premises (20) in a building (2) over a given period, by a collective heat management device (30), said determination, carried out by one or more processors, including the use of a plurality of ambient temperature values for the building, a value of the temperature outside the building (2), a volume of the premises (20) in the building, and a heat loss coefficient, said method being characterised in that the heat loss coefficient was calculated (130) from a thermal simulation model (41) of the building, taking into account the geometry of the premises and the composition of the walls.The invention also relates to an allocator (10) for determining an amount of thermal energy supplied by a collective heat management device (30), and a system (1) for allocating heating costs comprising an allocator (10) according to the invention.

The utility model relates to the technical field of testing, in particular to a differential scanning calorimeter which comprises a differential scanning calorimeter, a heating assembly, a display screen and ground feet, the display screen is arranged on one side of the front face of the differential scanning calorimeter, and the ground feet are connected to the positions, close to the four corners, of the lower end of the differential scanning calorimeter. One side, far away from the display screen, of the upper end of the differential scanning calorimeter is connected with a heating assembly, and the heating assembly is composed of a heat insulation cover, a heat insulation sleeve, a handle, a first inner cover, a second inner cover, an inner furnace, an outer furnace, a heat insulation tank, a sealing ring, a heating ring, a sample holder, a soaking block, a sample box and a temperature difference sensor.

The invention discloses a one-dimensional heat flux density measuring device based on the Fourier law, and relates to the technical field of object heat flux density measurement. Comprising a heating unit, a sealing heat insulation unit, a cooling unit, a temperature acquisition unit and a data processing unit. The sealing heat insulation unit comprises a heat insulation material, an aluminum oxide ceramic tube, a sealing air layer, an outer layer supporting plate and a rubber or silica gel sealing ring. The heating unit comprises a high-temperature copper plate heating platform; the cooling unit comprises a water cooling head, a cooling water jacket and a cooling water tank, and is nested at the top of the sealed heat insulation unit; according to the temperature acquisition unit, a thermocouple is attached to the surface of a measured object and is connected with an external thermodetector; the data processing unit comprises an acquisition terminal and a computer, the acquisition terminal is connected with a USB interface of the computer and a USB interface of the thermodetector, and data acquired by the thermodetector is transmitted to the computer. The invention provides the heat flux density measuring device which is simple and convenient to assemble, low in construction cost and simple and convenient to calculate, and the measuring efficiency is improved.

The present invention discloses a differential power compensation type battery isothermal calorimeter and a dynamic characteristic correction method. The present invention provides a stable temperature boundary by means of a constant temperature heat sink, installs a battery under test and a reference battery of the same model and the same size in a constant temperature calorimeter cavity, and uses a flexible heating sheet to heat to a target temperature. During the charge and discharge process of the battery under test, the power of the reference side heating sheet is used as the baseline power, the output power of the sample side heating sheet is feedback-controlled, and the real-time output powers of the reference side and the sample side heating sheets are collected and recorded. Based on the piecewise fitting of the curve polynomial, a limiting condition is added to the fitting curve, and the limiting condition is that the curve after fitting is continuous at a specified point, so as to obtain the fitted power value and the power change rate value. The real-time heat generation power during the charge and discharge process of the battery under test can be obtained from the difference between the two powers, and thus the heat generation amount of the battery can be calculated by integration. The present invention can reduce the interference caused by the ambient temperature fluctuation and obtain the baseline power that changes in real time.

The invention discloses a bearing transient temperature measurement method based on multi-source data fusion, and the method comprises the specific steps: monitoring a vibration signal of a bearing system and the temperature of a bearing outer ring in real time through an acceleration sensor and a temperature sensor, and dividing dynamic temperature nodes on the section of the bearing system according to the structure and heat transfer characteristics of the bearing system, establishing a one-dimensional thermal network model on the section, and calculating, analyzing and determining the relative sliding speed of the roller and the inner and outer rings, the revolution frequency of the roller, the spinning frequency of the roller, the movement frequency of the retainer, the contact force of the roller and the inner and outer rings and the contact force of the roller and the retainer based on the vibration signal frequency and a bearing dynamical model; and the vibration signal amplitude is coupled into an additional contact load, transient heat generation is calculated by using a local heat generation method, and a two-dimensional transient temperature field of the bearing system is generated. According to the method, the limitation of a traditional static node model is broken through, the vibration data of the bearing system and the thermal network model are fused, and real-time calculation of the transient temperature field of the bearing system is achieved.