32 results about "Thermal response time" patented technology

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 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 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 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.

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 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.

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 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 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.

This invention discloses an energy-saving control method and system for a cryogenic crystal oscillator. The method includes acquiring ambient temperature data and the internal temperature of the crystal oscillator, calculating the difference to obtain an initial temperature deviation; performing heat conduction simulation using a heat conduction model to obtain the thermal response time, and searching for the optimal energy consumption path to obtain a preliminary heating power curve; correcting the preliminary heating power curve based on the internal temperature of the crystal oscillator and a preset temperature change threshold to obtain a corrected heating power curve; performing closed-loop feedback regulation calculations based on the corrected heating power curve to obtain a preliminary control signal; extracting the power output value based on the preliminary control signal, and performing frequency stability judgment and backtracking optimization based on the extraction results to obtain a final control signal; and performing cryogenic control of the crystal oscillator based on the final control signal. This invention achieves a balance between low power consumption and high stability in the crystal oscillator.

The invention discloses a fast response gas temperature measurement film thermocouple with a micro-nano structure for enhancing convective heat transfer. The thermocouple comprises a substrate layer, a thermocouple function film layer and a heat transport enhanced micro-nano structure unit. The micro-nano structure unit is a periodic nanopore array arranged in the thermocouple functional film layer, and the heat transport efficiency is remarkably enhanced by increasing the heat exchange surface area, shortening the heat transport path and enhancing gas convection. The preparation method mainly comprises a stripping method of firstly photoetching and then depositing or a patterning method of firstly depositing and then etching. Through the micro-nano structure design, the problems that a traditional thin film thermocouple is low in response speed and low in heat conduction efficiency in the gas environment are effectively solved, the thermal response time can reach the microsecond level, and the thin film thermocouple is suitable for transient temperature measurement in the high-temperature and high-speed airflow environment.

This invention proposes a lightweight, low-heat-storage roller kiln structure, including a support frame, a geared motor, conveying rollers, and sprockets. The geared motor is mounted on the side of the support frame, and several conveying rollers are movably connected to the inner side of the support frame. Each conveying roller has two sprockets fixedly connected to its end, and a chain is movably connected to the outer surface of each sprocket. Adjacent conveying rollers are linked by the sprockets and chains. The ends of two conveying rollers are connected to the output end of the geared motor. The advantages of this invention are: the device has a simple structure, consisting of a hot kiln section and a conveying section, forming a lightweight roller kiln structure. Simultaneously, the kiln body undergoes low-heat-storage modification, with nano-silica aerogel felt attached to the inner wall of the kiln body and an outer aluminum foil reflective layer covering it, reducing heat conduction to the support frame. This significantly reduces the outer surface temperature of the kiln body, substantially decreases the heat storage, and the aerogel insulation layer has a very short thermal response time, greatly shortening the time required for the cold kiln to heat up.

The invention relates to a direct-heating separation type surge protection machine core and a gap type surge protection device, and belongs to the technical field of surge protection devices. The gap type surge protection device comprises a directly-heated disengagement type surge protection machine core, wherein the directly-heated disengagement type surge protection machine core comprises a gap machine core and a directly-heated disconnector; the gap movement comprises a plurality of layers of gap electrodes which are stacked at intervals and a plurality of discharge gaps; the directly-heated disconnector comprises a disengagement electrode and a disengagement elastic piece, the disengagement electrode comprises a welding end and a heat conduction end, the welding end is welded to the disengagement elastic piece, and the heat conduction end extends into the discharge gap. According to the direct-heating separation type surge protection machine core and the gap type surge protection device provided by the invention, a direct-heating type heat conduction mode is adopted, so that the overall thermal resistance of a system is greatly reduced, and the heat transfer efficiency is essentially improved, so that the thermal response time is remarkably shortened, and the quick separation response capability of a level below 100 milliseconds is achieved; and the current threshold of stable and reliable action of the disconnector can be greatly improved.

The invention relates to the technical field of optical fiber sensing, and discloses a granary temperature measurement optical cable with an oblique angle processed at the tail end and a preparation method, the granary temperature measurement optical cable comprises an optical cable body and a tail end protection shell, and the tail end protection shell is made of high-thermal-conductivity composite materials such as aluminum-based silicon carbide. Heat conduction fins used for increasing the heat exchange area and coarse threads used for anchoring and positioning are integrally arranged on the outer wall of the heat exchanger, and a detachable sealing assembly convenient to maintain is arranged on the tail portion of the heat exchanger. The core is that the optical fiber at the tail end of the optical cable body forms an oblique angle end face through precise grinding and polishing procedures. The thermal response time is shortened by one order of magnitude through the high-thermal-conductivity structure, and rapid and accurate monitoring of grain pile temperature changes is achieved; the optical fiber bevel angle end face structure thoroughly eliminates a tail end temperature measurement blind area by physically inhibiting Fresnel reflection, ensures a complete temperature data link from the initial end of the optical cable to the physical tail end, and improves the overall performance and reliability of a grain condition monitoring system by combining the reliable positioning capability and the convenient maintenance characteristic of the optical fiber bevel angle end face structure.

The application discloses a marine container type battery water cooling regulation system based on flow self-adaption, and relates to the technical field of battery water cooling regulation.The marine container type battery water cooling regulation system based on flow self-adaption can restore the adjustment process of each cooling branch number Bid based on branch time sequence data set Dat, and can exclude the action interference of other cooling branches through single-branch effective adjustment event Evt, so that the thermal response time lag value Lag and the thermal response gain value Gain can be accurately corresponded to the cooling response of specific cooling branches, and then the cooling branch with slow cooling start and low cooling benefit per unit flow can be identified by using the branch response short board value Rsv, so as to avoid the problem that local thermal accumulation battery clusters are missed when the cooling flow is distributed according to the highest temperature in the traditional way, reduce invalid flow increase, reduce the risk of temperature difference expansion between battery clusters, and improve the problems of slow cooling of high-temperature battery clusters and frequent speed increase of circulating pumps.

The present application relates to the technical field of polytropic complementation and waste heat recovery, in particular to a lithium bromide heat pump regulation method coupled with solar light heat and computing power waste heat; comprising data acquisition, model calculation, dynamic regulation and safety monitoring steps; the method collects multi-source operation data, inputs a thermodynamic matching model; the core is to calculate the coupling heat source exergy efficiency and heat response time constant, generate flow regulation and heat source switching instructions, and maintain the generator in the high efficiency temperature range; at the same time, the crystallization safety margin is calculated in real time, and the anti-crystallization process is triggered when it is lower than the threshold value; the present application realizes the transformation from static threshold dependence to dynamic thermodynamic matching, solves the problem of high-grade heat energy waste caused by source-load asynchrony, and maximizes the system thermodynamic perfection.

The invention relates to an efficient heat dissipation device for a PCB (Printed Circuit Board) of intelligent equipment, and belongs to the technical field of heat dissipation of electronic equipment. The device comprises a substrate attached to a PCB, an internal cavity of the substrate is provided with an expanded graphite porous thermal diffusion layer and a phase change material, and the surface of a cover plate is provided with a fin array. The expanded graphite transversely diffuses heat, and the phase change material transfers heat through liquid-gas phase change circulation. A thin film thermocouple array and a piezoelectric micropump are integrated on the side wall of the cavity to form closed-loop control, when the temperature distribution standard deviation exceeds a set threshold value, sawtooth waves are started to drive the piezoelectric micropump to enhance airflow mixing, in addition, a controller estimates the liquid phase percentage in real time, and a power source is cut off when the liquid phase is lower than a certain degree. Meanwhile, the thermal response time amplification is monitored, an alarm is given when abnormal heat dissipation is found, and efficient heat dissipation, accurate temperature control and overheating protection are achieved.

The application discloses a collimation regulation system and method based on wave aberration optimization, relates to the technical field of collimation regulation, and obtains a thermal response time starting point by determining the phase offset trend of a thermal spot appearing instant and the relationship between thermal flow distribution and wavefront distortion; energy section regulation is implemented on a light beam irradiation area according to the time starting point, an intermittent energy release process is established by introducing thermal flow distribution results; on this basis, phase drift of a turning mirror reflection area is tracked, and the angle distribution order of an optical path is adjusted; a phase steady-state maintenance process is constructed in combination with the angle distribution order, the wavefront recovery duration is prolonged; collimation self-balancing regulation of the light beam is implemented in the thermal spot back-falling stage, and the convergence of the phase and the incident angle rhythm is realized. The application establishes a time directional collimation regulation mechanism with the wavefront change as the core, cooperates energy and phase control in the whole process of thermal spot formation and back-falling, suppresses phase mutation and optical axis drift, maintains wavefront continuity and energy center consistency, and realizes long-term stability of the collimation state.

The invention discloses an explosion-proof electrical internal temperature rise remote real-time monitoring method and system, and relates to the technical field of electrical engineering.The method comprises the steps that in the explosion-proof electrical operation process, temperature time sequence data of a core temperature collection point and a response temperature collection point are collected respectively; normalization processing is carried out on time parameters in the heating stage and the cooling stage, a structure thermal hysteresis offset index delta H is constructed, and quantitative analysis is carried out on thermal response time difference asymmetry between a core temperature acquisition point and a response temperature acquisition point in the heating process and the cooling process of the explosion-proof electrical equipment; therefore, the thermal hysteresis characteristic change caused by the tiny structure change, the contact state change or the heat conduction path change in the explosion-proof electrical device can be effectively identified. Compared with a monitoring mode only based on steady-state temperature rise or a single temperature threshold value, the mode can discover the risk that the structural integrity may be reduced in advance under the condition that the explosion-proof electrical equipment does not have obvious overtemperature or functional abnormality.

The invention discloses an online evaluation method for performance degradation of a phase change heat storage unit, which is used for solving the problems of disassembly and sampling, interruption of system operation, data lag and the like in the traditional offline detection, and comprises the following steps: when the phase change heat storage unit is in an intermittent period of stable operation, applying heat flow pulse excitation to the surface of the phase change heat storage unit; synchronously acquiring thermal response time sequence data through a temperature sensor array; three characteristic parameters of a thermal response time constant tau, a response integral area A and a dimensionless shape factor S are extracted based on data fitting; comparing the real-time characteristic parameters with the reference basis established by the initial health state, and calculating relative deviation; quantifying the comprehensive health index through a formula, and judging the performance degradation level according to a preset threshold value. According to the method, system operation does not need to be interrupted, real-time and in-situ accurate evaluation of performance degradation of the heat storage unit is achieved, early warning of performance degradation and attenuation mode positioning can be achieved, and data support is provided for predictive maintenance, service life evaluation and operation optimization of the heat storage system.

The invention discloses an automatic target spot locking method and system for non-contact temperature measurement and a related device, which are used for improving the operation reliability, the measurement precision and the robustness of non-contact temperature measurement. The method comprises the following steps: constructing a space thermal field distribution model taking relative displacement as an independent variable in combination with temperature time sequence data; according to the scanning speed in the scanning process and a preset thermal response time parameter, performing deconvolution compensation processing on the space thermal field distribution model; dividing the scanning path into a background area, an edge change area and an effective hot window area according to the amplitude and the change form of the space temperature gradient; estimating a target measurement distance between the infrared thermopile and the measured target based on a mapping relation between the sharpness characteristic and the measurement distance; and when the spatial span meets a preset minimum window length condition and the temperature variance is lower than a stability threshold, generating a target spot locking signal, and performing distance compensation on the temperature data in the effective hot window region based on the target measurement distance to determine a target measurement temperature.

This invention discloses an integrated cooling device and intelligent control method for energy-saving air conditioning systems, including a cooling tower frame system, a plate heat exchanger module, a fluid switching and distribution mechanism, and a multi-dimensional sensor array; the integrated water collection pan sidewall is directly connected to the primary side interface of the plate heat exchanger to eliminate redundant piping; the fluid switching and distribution mechanism switches the fluid path between mechanical refrigeration mode and free cooling mode according to the operating conditions; the intelligent control system uses a cold source dynamic matching algorithm to adjust the fan frequency and valve opening in real time based on environmental parameters and load prediction. Through physical integration and intelligent coupling, the system flow resistance is reduced by 25% to 35%, significantly improving energy efficiency during transitional seasons and shortening the thermal response time, achieving precise cold source supply and energy-saving operation.

The utility model discloses an experimental measurement device for a convective heat transfer coefficient on the surface of a transverse tube bundle. The experimental measurement device comprises a control box body, a heating power supply, a 16-channel temperature data acquisition card, a current sensor, a voltage digital display meter, a current digital display meter, an acrylic hollow circular tube, a bakelite hollow circular tube and the like. The overall dimension of the acrylic tube bundle is consistent with that of a to-be-tested test piece, and the control box integrates a power supply, a sensor, an acquisition card and a display meter. And the surface of the heating circular pipe is cooled by combining a wind tunnel. And a plurality of T-shaped thermocouples are arranged below the iron-chromium-aluminum sheets along the circumferential direction of the middle position of the tube bundle. And the signal acquisition card acquires the temperature of the sheet. And calculating the surface heat flux density through the electric power. And calculating a tube bundle surface convective heat transfer coefficient according to the heat flux density, the sheet temperature and the incoming flow temperature. The device is low in manufacturing cost, convenient to operate and short in thermal response time. And accurate measurement of the convective heat transfer coefficient of the circumferential surface can be realized.