51 results about "Thermal response time" patented technology

The invention discloses a powder metallurgy gear hardness detection method and system, and belongs to the technical field of metallurgy gears, and the method comprises the steps: obtaining a to-be-detected gear three-dimensional model, and dividing a hardness evaluation region; a thermal response image is collected, a thermal response time gradient parameter TRTG is extracted, and a thermal diffusion characteristic matrix T is formed; establishing a hardness initial model H1 based on the TRTG and compactness; constructing a finite element stress field model, extracting a stress distribution modulation coefficient SDMC, and forming a stress characteristic matrix S; performing weighted correction on H1 based on T and S, and establishing a comprehensive hardness prediction model H2; outputting a hardness prediction result of the whole gear and the key area, and identifying a potential weak area; according to the method, thermal response and stress modulation parameters are fused, non-destructive and high-resolution hardness distribution prediction is achieved, and the method is suitable for quality evaluation and failure early warning of the powder metallurgy gear of a complex structure.

The invention provides an electronic temperature protection control method for a direct current brushless motor, and relates to the technical field of motor control, and the method comprises the steps: temperature sampling: employing a controller or a motor internal sensor and a winding resistor to estimate and collect a temperature signal in real time; temperature filtering: eliminating noise interference by adopting mean value or Kalman filtering; temperature comparison: comparing the filtered temperature value with a preset multi-level threshold value (from one level to three levels); and protection control is carried out, and measures such as power reduction, current limiting or driving signal closing are taken according to the threshold exceeding degree. Through multi-point sampling, heat conduction installation, dynamic filtering parameter adaptation and threshold setting based on the insulation grade, the temperature monitoring precision and response speed are improved, the problems of response lag and cost of traditional hardware protection are avoided, dynamic and precise temperature protection of the motor is achieved in combination with a thermal response time constant and temperature change rate pre-judgment mechanism, and the reliability of the motor is improved. The service life of equipment is effectively prolonged.

The invention discloses a temperature measurement method and a temperature measurement nut, and belongs to the technical field of equipment temperature measurement. According to the method, the dynamic thermal radiation interference coefficient calculation model is constructed through the historical temperature measurement data and the equipment operation parameters, so that the dynamic acquisition of the dynamic thermal radiation interference coefficient can be realized based on the real-time temperature measurement data, and the real-time temperature measurement data is corrected to obtain the corrected temperature measurement data; performing spectral analysis on the real-time temperature measurement data to determine a thermal radiation change frequency correction coefficient, constructing a temperature response function based on the real-time temperature measurement data, and further determining a thermal response time constant based on the temperature response function; and then thermal inertia lag compensation processing is carried out on the corrected temperature measurement data through a thermal radiation change frequency correction coefficient, a thermal response time constant and equipment operation parameters to obtain actual temperature data of the to-be-measured equipment, so that the problem of inaccurate temperature measurement in a high-temperature environment in the prior art can be solved. And the accuracy of temperature measurement in a high-temperature environment is improved.

The invention discloses a battery heat dissipation structure based on a phase-change material and a packaging method, the battery heat dissipation structure comprises a battery cell unit, a heat dissipation partition plate, a shell, a heat dissipation material and an insulating plate, the heat dissipation material is filled in a gap between the battery cell unit and the heat dissipation partition plate and a gap between the battery cell unit and the shell, the heat dissipation material adopts the phase-change material, the phase-change material has high latent heat of phase change, and the phase-change material has high latent heat of phase change. And the phase change temperature of the phase change material is 5-10 DEG C lower than the maximum working temperature of the battery cell. The internal gaps of the battery are filled with the phase-change material, and the phase-change latent heat of the phase-change material after being heated can quickly absorb the heat generated by the battery cell, so that the thermal response time is greatly shortened, and the battery cell can be effectively prevented from being overheated.

The invention relates to the technical field of digital twinning, and discloses an injection molding energy consumption optimization control method based on digital twinning, which comprises the following steps: acquiring a sensor thermal response time constant and a baseline disturbance characteristic by a digital twinning body, and calculating an inverted real temperature value by using the thermal response time constant; arbitrating the calculated output heat flow in combination with baseline disturbance characteristics; according to the method, the digital model of the dynamic characteristics of the sensor is established in the digital twin body, real-time reverse compensation is carried out on measurement delay and signal distortion generated by physical inertia, environmental disturbance is arbitrated, and the measurement accuracy is improved. The real transient characteristics of the physical process can be captured with high fidelity, and control deviation caused by measurement lag and false signals is avoided.

The embodiment of the invention relates to a temperature-controllable cable defect partial discharge detection method, and the method comprises the steps: constructing an electricity-heat combined platform, arranging a temperature sensor and a partial discharge sensor in a cable defect region, adjusting the current of a conductor to a preset value through a through-flow heating module, and enabling the temperature of the defect region to rise to a target temperature; acquiring partial discharge signals in real time through a partial discharge sensor, synchronously recording data of a temperature sensor, and establishing a time sequence of temperature-partial discharge signals; extracting partial discharge signal characteristic parameters, and calculating a defect area temperature gradient and a thermal response time constant in combination with a heat conduction model; identifying defect types and positioning defect positions. Through temperature active control, the problems that existing partial discharge detection is low in sensitivity and temperature influence is not quantified are solved; by synchronously collecting temperature and partial discharge signals, a temperature-partial discharge characteristic relation is established, the one-sidedness of single parameter analysis in a traditional method is solved, and the accuracy and reliability of high-voltage cable insulation state evaluation are improved.

The application discloses a kind of high-temperature equipment remote monitoring method and platform based on Internet of Things, it is related to industrial Internet of Things and fault diagnosis technical field.The method is triggered by non-destructive micro-excitation when identifying that measuring point is in steady-state thermodynamics window through edge computing gateway, fitting thermal response time constant;The gradual drift bias of measuring point is extracted based on state space model;Then the above-mentioned extraction features, multi-source heterogeneous high-frequency acquisition data and three time stamp sequences are assembled into multidimensional evidence package, and are reported after being stored by hash encryption signature;After evidence package is signed by cloud platform, the integrated reliability score of measuring point is calculated, and strict according to hard safety threshold Uncontrollable strategy is executed Intelligent alarm grading disposal and maintenance work order scheduling.The application realizes the high-confidence online non-destructive diagnosis of sensor physical degradation without interfering with the underlying main control loop, effectively eliminates false alarm, optimizes the operation scheduling based on financial cost, and provides a completely tamper-proof digital audit chain for industrial monitoring, greatly improving the overall safety and economy of high-temperature equipment operation.

The invention relates to the technical field of multi-energy complementation and waste heat recovery, in particular to a lithium bromide heat pump regulation and control method for coupling solar photo-thermal and computing power waste heat. The method comprises the steps of data acquisition, model calculation, dynamic regulation and control and safety monitoring. The method comprises the steps of collecting multi-source operation data and inputting the data into a thermodynamic matching model; the method is characterized in that coupling heat source exergy efficiency and a thermal response time constant are solved, a flow regulation and heat source switching instruction is generated, and a generator is kept in a high-efficiency temperature range; meanwhile, the crystallization safety margin is calculated in real time, and the anti-crystallization process is triggered when the crystallization safety margin is lower than a threshold value; according to the method, the conversion from static threshold dependence to dynamic thermodynamic matching is realized, the problem of high-grade heat energy waste caused by source-load asynchronization is solved, and the thermodynamic perfection of the system is maximized.

The present invention discloses a circuit breaker-based opening and closing control method and system, which relates to the technical field of circuit breakers. Python technology is used to construct a quadratic polynomial function, so as to accurately analyze the relationship between the expansion coefficient and the temperature. This process enables the influence of temperature changes on the deformation of the bimetallic strip in the circuit breaker to be fully grasped. Based on the power data set and the relationship between temperature and deformation obtained by analysis, the bending deformation of the bimetallic strip at different temperatures can be evaluated in real time. By setting a bending deformation threshold and comparing the bending deformation with the threshold, it can be determined whether the opening mechanism is triggered. After the opening mechanism is triggered, the deformation process of the bimetallic strip is traced back, and its upper limit temperature is analyzed and determined. Combined with the relevant material property change data, the thermal response time is calculated. This step can help determine whether the thermal response of the bimetallic strip in the circuit breaker is stable. For the case of unstable temperature, the temperature compensation mechanism is started to optimize the thermal response process.

The invention discloses a temperature correction method for a motor controller, and aims to solve the problems of delay and inaccuracy of a temperature measurement result caused by overlong thermal response time of a thermistor when the internal temperature rises sharply due to high-power operation of the controller in a motor controller circuit using the thermistor as a temperature sensor. Under the condition of not adding an additional sensor and not changing an internal circuit of an original controller, a corrected temperature value closer to an actual physical temperature value is obtained through algorithm optimization based on the original temperature measured by a thermistor and the correction amount of the original temperature calculated based on the rotating speed and the torque of the motor, the measurement precision is improved, and the measurement cost is reduced. The method is suitable for large-scale industrial use and popularization.

The invention provides a high-voltage-resistant shock-resistant double-layer sheathed thermocouple and a manufacturing method thereof, and the method comprises the steps: sequentially assembling a thermode insulating layer and an outer sleeve from the inside to the outside to form an assembly, carrying out the diameter reduction operation of the assembly for many times, enabling the outer diameter of the assembly to be sequentially increased from the hot end to the cold end, carrying out the heat treatment of the assembly, and carrying out the heat treatment of the assembly to obtain the high-voltage-resistant shock-resistant double-layer sheathed thermocouple. The armored thermocouple has the advantages that the performance of the armored thermocouple is ensured, the production efficiency is improved, the cost is reduced, the durability and the applicability of the thermocouple are enhanced, and the armored thermocouple has shorter thermal response time and more excellent leakage prevention, corrosion resistance and vibration resistance.

The present invention discloses an EGR cooler thermal performance test system and a test method thereof, which relate to the technical field of cooler testing, and solve the problem that the current EGR cooler thermal performance test method cannot simulate real working conditions, resulting in deviations between test data and actual use, and cannot fully reflect the comprehensive performance of the EGR cooler. The system includes a sealing test module, a heat exchange capacity evaluation module, a heat transfer efficiency analysis module, a thermal response analysis module and a thermal performance identification module. The sealing test module is used to test the sealing of the cooler, the heat exchange capacity evaluation module is used to evaluate the heat exchange capacity of the cooler, the heat transfer efficiency analysis module is used to analyze the heat transfer efficiency of the cooler, the thermal response analysis module is used to analyze the thermal response time of the cooler, and the thermal performance identification module is used to identify the thermal performance of the cooler. The present invention realizes comprehensive testing of the thermal performance of the EGR cooler.

The present application relates to the technical field of cable state monitoring, in particular to a real-time thermal monitoring method for medium-voltage underground power cables based on wave velocity measurement.The present application extracts the propagation time offset of pulse signals at the two ends of the cable by using a cross-correlation algorithm, and calculates the relative change rate of wave velocity; for PILC cables, a sliding window least squares method is used to optimize the thermal response time constant, and a direct calibration model with adaptive soil thermal lag compensation is established; for XLPE cables, a segmented nonlinear dielectric constant correction model is constructed for the low-temperature zone, the transition zone and the high-temperature zone; when there is a lack of effective low-load cooling period, the thermal-electric equivalent model iteration calibration process is started, and the cable temperature distribution is output when the temperature deviation of adjacent two times is less than 0.5 DEG C. The present application does not need to deploy additional sensors, realizes real-time temperature monitoring of medium-voltage underground cables under different insulation types and different load modes, and provides a reliable basis for power grid dynamic load flow management.

The application provides a thermal response time acquisition method, device, equipment, system and readable storage medium. The application comprises a test system including a pulse power supply, a test module, a data collector and a processing device, the input end of the data collector is connected with the output end of the test module, the output end of the data collector is connected with the processing device, the method is applied to the processing device, when the pulse power supply provides a pulse voltage for the test module, a plurality of output voltage values collected by the data collector are acquired; the output voltage value is used for representing the voltage change value between the two ends of the to-be-tested detector; according to the plurality of output voltage values, a change curve of the output voltage value with time is acquired; according to the change curve of the output voltage value with time, the thermal response time of the to-be-tested detector is acquired; and the thermal response time is output. The application can improve the convenience of thermal response time test and improve the test precision.

This invention relates to a gradient self-heating material based on phase change-oxidation synergistic regulation, its preparation method, and its application. The gradient self-heating material based on phase change-oxidation synergistic regulation comprises a core layer, a transition layer, and a shell layer connected sequentially; wherein the core layer is a reduced iron powder-phenolic resin composite layer; the transition layer is a gradient transition structure of iron powder, CNT-graphite composite material, and resin; and the shell layer is a catalytic phase change material particle-resin composite layer; the volume percentages of the shell layer, transition layer, and core layer are 20%-30%, 20%-30%, and 40%-60%, respectively. The problem this invention aims to solve is overcoming the interfacial failure challenge between the oxidant and the phase change material through chemical bonding reconstruction, breaking through the thermal accumulation bottleneck by employing a gradient thermal conductivity structure design, and achieving cross-scale synergy across four dimensions: exothermic reaction, heat storage phase change, heat conduction, and dynamic regulation. The final product's thermal response time (temperature greater than 50℃) is <30 seconds.

The application belongs to the technical field of temperature measurement and relates to a temperature dynamic monitoring system in a glass melting process, which comprises the following steps: a data acquisition unit converts an original signal into a measured temperature sequence; a high-order differential state observation unit calculates first and second time derivatives of the measured temperature; a boundary condition dynamic identification unit extracts an amplitude decay rate at commutation to determine a thermal response time constant variation value; a dynamic inverse convolution compensation unit uses an inverse inversion operator to decouple the time derivative and the variation value to generate a correction signal; and a system instruction output unit outputs a fuel control instruction according to the correction signal and a temperature control line deviation. The application implements dynamic hedging and error calibration on the inherent thermal inertia and large lag of a contact type temperature sensor, reconstructs and outputs a real temperature measurement signal of a melt in real time, eliminates the combustion overshoot phenomenon caused by temperature measurement lag through inverse inversion, suppresses temperature fluctuation of a melt liquid surface during commutation, and ensures long-term stability of thermal field state observation.

The invention provides a preparation method of a temperature and pressure integrated sensor and the temperature and pressure integrated sensor, and the method comprises the steps: providing a temperature sensing module and a pressure sensing module which are respectively used for measuring a temperature signal and a pressure signal; a stainless steel sheath is provided, the stainless steel sheath at least comprises a first-stage sheath and a second-stage sheath which are sequentially connected in the axial direction, the thickness of the stainless steel sheath is controlled so that the thickness of the first-stage sheath can be smaller than that of the second-stage sheath, a metal coating is arranged on the outer side wall of the first-stage sheath, and no metal coating is arranged on the outer side wall of the second-stage sheath; heat-conducting silicone grease is injected into the first-stage sheath, and pouring sealant is injected into the second-stage sheath. The thickness of the first-stage sheath is reduced, and the outer side wall of the first-stage sheath is provided with the high-heat-conduction metal coating, so that the heat capacity and the heat resistance are reduced, the thermal response time is shortened, and the heat conduction efficiency is improved.

The present invention discloses a preparation method of a micro heater, which includes a substrate having an etching groove; a composite support layer covering the entire substrate; a heating layer deposited on the upper surface of the composite support layer; a protective layer covering the heating structure; a passivation layer covering the heating layer and the protective layer; a metal heat dissipation layer disposed inside the passivation layer; the method includes: forming a composite support layer on the upper surface of the substrate; depositing a heating layer on the upper surface of the composite support layer; depositing a protective layer for covering the heating structure on the heating structure of the heating layer; depositing a passivation layer on the upper surface of the composite support layer; depositing a metal heat dissipation layer on the upper surface of the passivation layer; continuously depositing the passivation layer to a predetermined thickness to wrap the metal heat dissipation layer; etching a window in the passivation layer, and depositing a Pad layer on the upper surface of the exposed connection electrode; etching the substrate to form an etching groove. The thin film structure of this micro heater is stable, has good heat dissipation performance, and short thermal response time, solving the problem that traditional micro heaters cannot balance the thermal response rate and structural stability.

The present disclosure relates to the technical field of infrared detection, and particularly relates to an amorphous silicon infrared detector pixel, a chip, a movement and equipment, the amorphous silicon infrared detector pixel comprising an absorption sensing part; the absorption sensing part comprises an amorphous silicon thermal sensitive layer and a metal electrode layer; the absorption sensing part comprises a thermal sensitive working area and a non-thermal sensitive working area, the amorphous silicon thermal sensitive layer is located in the thermal sensitive working area, the amorphous silicon thermal sensitive layer in the thermal sensitive working area has a target thickness, the thickness of the amorphous silicon thermal sensitive layer in the non-thermal sensitive working area is zero, the thermal sensitive working area generates resistance change in response to a received thermal signal; the metal electrode layer is located in the non-thermal sensitive working area and at least contacts the side surface of the thermal sensitive working area; wherein, an adjacent pair of metal electrode layers located on the side surface of the thermal sensitive working area form quasi-parallel electrodes. Thus, by setting the thickness of the amorphous silicon thermal sensitive layer in the non-thermal sensitive working area to zero, noise is greatly reduced, heat capacity is greatly reduced, thermal response time is shortened, and device performance is improved.

The invention discloses an EGR cooler thermal performance testing system and a testing method thereof, relates to the technical field of cooler testing, and solves the problems that a current EGR cooler thermal performance testing mode cannot simulate a real working condition, so that deviation exists between testing data and actual use, and the comprehensive performance of an EGR cooler cannot be comprehensively reflected. Comprising a sealing test module, a heat exchange capability evaluation module, a heat transfer efficiency analysis module, a thermal response analysis module and a thermal performance identification module, the sealing test module is used for testing the sealing performance of the cooler, and the heat exchange capability evaluation module is used for evaluating the heat exchange capability of the cooler. The heat transfer efficiency analysis module is used for analyzing the heat transfer efficiency of the cooler, the thermal response analysis module is used for analyzing the thermal response duration of the cooler, the thermal performance identification module is used for identifying the thermal performance of the cooler, and comprehensive testing of the thermal performance of the EGR cooler is achieved.

The utility model discloses a device for testing a thermal time constant, which comprises a base and a mounting assembly for mounting a thermistor, two first grooves for storing reagents with different temperatures are arranged at the upper end of the base at intervals, a water outlet pipe for draining water is arranged in each first groove, an electromagnetic valve is arranged at the position of each water outlet pipe, and the thermistor is arranged in each first groove. A first groove is formed in the base, a sealing assembly used for sealing the first groove is arranged in the first groove, a driving assembly is arranged on the base, the driving assembly is in transmission connection with the mounting assembly, and the driving assembly drives the mounting assembly to stretch into any one of the first grooves. According to the utility model, the thermal response time of the thermistor can be effectively measured, and a worker does not need to manually replace the temperature of the thermistor in the process of measuring the thermistor, so that the working intensity of the worker is effectively reduced.

This application discloses a manufacturing method, apparatus, and electronic device for an L-shaped connecting plate, comprising: acquiring multi-dimensional original working condition parameters for the stamping of an asymmetric L-shaped connecting plate and generating an original stamping dataset; constructing a thermal stratification prediction model, combining dual thresholds to divide thermal levels and matching weights, acquiring full-time thermal data, and outputting full-domain stratified time-series thermal data and primary cooling control parameters after inter-frame residual iterative correction; establishing a nonlinear correlation mapping based on the aforementioned data, parameters, and springback residual compensation algorithm, statistically analyzing residuals, calculating cumulative deviations, obtaining springback deviation trends, and outputting mold partition temperature control thresholds and high-precision cooling parameters; establishing a thermal asynchronous equilibrium model and calibrating the thermal parameters of the stamping slide block, acquiring thermal response time difference and thermal deformation misalignment; and matching cooling parameters with forming accuracy constraints to manufacture the asymmetric L-shaped connecting plate. Through the above settings, the quality of the manufactured asymmetric L-shaped connecting plate can be improved.

A safety protection method, system, device and medium of a charging and storage station, relating to the field of industrial safety protection. The method comprises: acquiring real-time operation data of a target loop of the charging and storage station; determining a risk state of the target loop based on the real-time operation data; when the risk state is a potential risk state, controlling a temperature control device corresponding to the target loop to perform transient thermal disturbance simulation on the target loop, obtaining a dynamic thermal response time sequence of the target loop under the action of transient thermal disturbance, and confirming whether the target loop has an irreversible internal heat source based on the dynamic thermal response time sequence; if the target loop has an irreversible internal heat source, switching the risk state of the target loop to an emergency risk state; when the risk state is the emergency risk state, disconnecting the target loop, and generating and sending targeted evacuation guidance information based on the environmental parameter distribution situation in the real-time operation data. The present application can improve the overall safety of the charging and storage station.

This invention discloses a die-casting mold design method and system based on 3D-printed conformal water channels, belonging to the field of mold design technology. By acquiring thermodynamic and geometric constraint data of the die-casting mold, a heat source feature dataset is uniformly encoded and constructed. Based on the heat dissipation path planning capability of 3D printing and the distribution of hot spots in the mold, conformal water channel design connections are constructed as connection nodes, and data links are tracked to achieve a closed-loop instruction for heat dissipation path planning and scene adaptation. By acquiring heat dissipation performance evaluation indicators, heat dissipation performance records are updated within the thermal response time window. Based on the heat dissipation performance records, an evaluation indicator sequence is extracted, and combined with temperature gradients and geometric constraints, a heat-affected zone weighting coefficient is introduced to construct a heat dissipation performance boundary. The coupling degree of heat dissipation paths between nodes and the thermal cycle robustness coefficient are evaluated, and based on the comparison results, associated edges are selectively constructed to form a topological network for the 3D-printed water channel design.

The invention discloses a new energy automobile charging pile and a high heat conduction sealing pipe thereof, relates to the technical field of new energy automobile charging pile heat management, and provides a three-layer composite pipe structure: an inner layer is a modified organic silicon material containing lozenge-shaped boron nitride (BNNSs) and core-shell Al2O3 coated SiO2 filler, a three-dimensional interpenetrating heat conduction network is constructed, and the in-plane heat conduction coefficient is 5.2 W / (m.K) and the thickness direction is 2.05 W / (m.K); the middle layer is made of + / -45-degree aramid fiber woven reinforced high-temperature nylon, and the pressure resistance value reaches 12.5 MPa; the outer layer is nano-montmorillonite modified polyphthalamide, and the strength retention rate is larger than or equal to 90% after the composite material is soaked in ethylene glycol for 5000 h. Through core-shell filler interface bonding optimization, the interface thermal resistance is reduced to 8.2 * 10 <-8 > m < 2 >. K / W, and interlayer bonding strength 4.8 MPa is realized by combining a three-layer co-extrusion process. When the spiral winding pipeline is applied to a liquid cooling system of a charging gun, the temperature of a contact point is smaller than or equal to 65 DEG C under the working condition of 1000 A due to the spiral winding pipeline (the distance between the pipelines is smaller than or equal to 2 mm), the thermal response time is shortened to 28 seconds, the bursting pressure is increased by 300%, the permeability of cooling liquid is reduced by 60%, and the requirements for efficient heat dissipation and long-acting sealing in a large-current fast charging scene are met.

The invention discloses a high-temperature superconducting tape coating device capable of dynamically regulating and controlling the uniformity of a flow field and a temperature field, and relates to the technical field of superconducting material preparation equipment. Through the synergistic effect of the multi-area annular spraying head and the vertical spraying assembly and through a dynamic adjusting system, gradient temperature regulation and control are supported, the temperature uniformity of the surface of the substrate is improved, and the thermal response time is shortened; and meanwhile, a doping process is adapted, and the gas flow ratio is dynamically adjusted, so that the uniformity of a flow field on the surface of the substrate is maintained within a certain range. The device is suitable for large-scale preparation of rare earth doped YBCO and other high-temperature superconducting materials, the performance consistency of the superconducting thin film can be remarkably improved, and key equipment support is provided for industrial application of high-field magnets, superconducting power transmission and the like. Through the innovative spraying structure design and the intelligent control strategy, the bottleneck problem of temperature and flow field regulation and control in the MOCVD technology is solved, and stability, expandability and cost benefits required by industrial application are achieved.

The invention discloses a method and a system for detecting the performance of a wind driven generator body and internal and external cooling systems thereof. The method comprises the following steps: starting a motor and a cooling system; controlling the motor power to rise from an initial state to a rated power, and recording a power curve and a corresponding motor temperature rise curve in the process; testing conditions are controlled in the temperature rising process, so that the ratio of the heat dissipation rate to the heat capacity of the motor is kept constant; based on the temperature rise curve, obtaining a steady-state temperature rise parameter and a temperature rise change parameter representing the thermal characteristics of the motor; calculating a thermal response time constant of the motor cooling system according to the temperature rise curve, the steady-state temperature rise parameter and the temperature rise change parameter; and determining the performance of the cooling system according to the time constant. By analyzing the thermal response characteristics of the temperature rise process, accurate and online evaluation of the performance of the cooling system is achieved, the defect that shutdown detection is needed in a traditional method is effectively overcome, and an evaluation basis is provided for design of a wind driven generator body and internal and external cooling systems of the wind driven generator body.

The invention provides a non-contact thermal sensing system and method, and belongs to the technical field of robot sensing and flexible electronics. In order to solve the problems that physical contact is needed for temperature sensing of an existing robot, response is slow, and a heat source cannot be pre-positioned, the system comprises a flexible temperature sensor array composed of sensor units containing two-dimensional material film temperature-sensitive layers, and the flexible temperature sensor array has millisecond-level thermal response time; a non-thermal sensor; and a processor. The processor is configured to: acquire temperature data of the array and signals of the non-thermal sensors; judging whether a heat source approaches without physical contact based on the two signals; in response to the determination, a spatial location of the heat source is calculated based on a temperature distribution formed over the array. According to the invention, by fusing the multi-mode signals, rapid and non-contact pre-sensing and spatial positioning of the heat source are realized, and the operation safety of the robot is improved.

The present invention relates to the technical field of resource scheduling, and specifically to a dynamic GPU computing power scheduling system. The system includes a thermal expansion monitoring module, a path perturbation identification module, a load migration module, a scheduling label revision module, and a node priority ranking module. In the present invention, through the real-time monitoring of the thermal expansion response of the GPU core and the instruction path behavior, it effectively avoids the performance bottleneck caused by overheating in the task execution area, ensures better coordination of heat conduction and computing load during resource scheduling, and combines the dynamic adjustment of the thermal response time and the path compression scheduling label. It can perform dynamic optimization scheduling according to the changes in task load and resource utilization rate, enhance the load balance between GPU computing units, avoid excessive competition and idle of resources, improve the overall execution efficiency and response speed of the system, and through the technology of optimizing resource scheduling by analyzing thermal behavior and path perturbation, it effectively improves the accuracy and stability of GPU computing power scheduling in a multi-task concurrent execution environment.

The application belongs to the technical field of temperature sensor performance detection, and particularly relates to a reconfigurable temperature sensor thermal response time test system, which comprises a machine body, a low-temperature resistor and a high-temperature resistor; a time display and a man-machine interface are sequentially arranged on the side of the machine body; a Z-axis moving mechanism is fixed to the side of the machine body; and a first constant-temperature tank and a second constant-temperature tank are sequentially arranged on the side of the machine body. The reconfigurable temperature sensor thermal response time test system provided in the application is independently and separately arranged with the first constant-temperature tank and the second constant-temperature tank, can be respectively preloaded with test environments of different temperatures and different media, realizes high-low temperature / multi-medium rapid switching, completely saves the medium emptying, cleaning and airing process, eliminates cross contamination, and greatly improves the test convenience and data accuracy.