2113 results about "Temperature.ambient" patented technology

The invention provides an anti-condensation temperature and humidity regulation and control system and method for remote deep learning prediction aided decision making, and the method is characterized in that a field controller is connected with a temperature and humidity collection device, obtains the environment temperature and humidity, calculates the dew point temperature, obtains the surface temperature of a protected part, and starts and stops a heating and / or dehumidification device by comparing the difference between the two values with a preset threshold value; the temperature and humidity acquisition device acquires field environment temperature and humidity data for the field controller to calculate the dew point temperature, and the temperature and humidity acquisition device is also used for acquiring the surface temperature of the protected part; the heating device is used for raising environment temperature; the dehumidification device is used for reducing the environment humidity; the communication module is used for data transmission between the field controller and the remote prediction terminal, sending field data and receiving prediction information; the remote prediction terminal obtains field data through the communication module; an anti-condensation system structure combining local autonomous control and remote prediction assistance is established, and redundancy fault-tolerant capability is achieved; even if the remote prediction function fails, the field control can still operate independently and reliably.

The invention relates to the technical field of industrial equipment temperature control, and discloses a temperature control system, which comprises a multi-source state sensing module for acquiring a power load, temperature, humidity and feedback temperature; the feed-forward prediction and analysis module is used for generating a feed-forward signal based on the load and the temperature; the closed-loop feedback and safety guarantee module is used for calculating a feedback signal according to the temperature deviation; the cooperative control decision module combines the feed-forward signal and the feedback signal to generate a fan instruction, and generates a baffle instruction for balancing heat dissipation and regeneration according to the feed-forward signal and humidity; the self-adaptive heat dissipation execution module is used for executing a fan instruction to generate cooling airflow; and the dynamic energy regeneration module executes a baffle instruction to distribute the waste gas flow direction. According to the method, the power load is introduced to serve as a prospective index, correction is conducted in combination with the environment temperature, a predictive heat dissipation control model is constructed, the system can start heat dissipation adjustment before a large amount of heat is generated, and therefore smooth and stable control over the equipment temperature is achieved.

The invention provides an air source heat pump heating method and system, and relates to the technical field of heat pump system thermal control, and the method comprises the steps: collecting evaporator surface frost layer thickness, environment temperature and humidity parameters in real time, inputting the parameters to a pre-trained neural network algorithm model, and identifying a frosting rate by analyzing a multi-factor nonlinear relation; predicting a future frosting development trend, and outputting frosting thickness increase prediction and severity degree results; and according to the frosting thickness increase prediction and the severity degree result, reverse circulation defrosting is started in advance when the frost layer does not reach the critical thickness, and optimal control over the defrosting process is achieved by adjusting the opening degree of the four-way valve and the rotating speed of the draught fan, so that the system state after defrosting is obtained. The energy efficiency of the system is improved, and the heating comfort is optimized.

The present invention relates to the technical field of control cabinets, and provides an electrical control cabinet for a thermal power plant, comprising an electrical control cabinet, wherein the electrical control cabinet is provided with a plurality of ventilation openings, a heat absorption plate is fixedly mounted on an inner wall of the electrical control cabinet, a heat dissipation structure is mounted on the heat absorption plate, four connecting bases are symmetrically and fixedly mounted on a top side of the electrical control cabinet, a ventilation structure is mounted on the four connecting bases, two mounting frames are symmetrically and fixedly mounted on the top side of the electrical control cabinet, and an anti-snow structure is mounted on the two mounting frames. According to the present invention, heat dissipation is achieved by means of a combination of heat conduction and air cooling, thereby further improving the heat dissipation effect of the electrical control cabinet. When the present invention is used in winter, if the ambient temperature is low, a fan and an electric heating tube can be turned on to heat internal equipment within the electrical control cabinet, so as to prevent any impact on the operation of the equipment due to excessively low temperatures; when the present invention is used outdoors, a protective metal roof can be employed for snow protection. Furthermore, the present invention also includes a snow removal function.

The invention discloses a heat pump environment temperature self-adaptive regulation and control system oriented to peak-valley electricity price difference, and relates to the technical field of environment temperature regulation and control, and the system comprises a disturbance recognition module, a sampling scheduling module, a temperature correction module, a multi-source checking module, a regulation and control inhibition module and a self-optimization feedback module. And the change rate feature, the frequency spectrum mutation feature and the temperature measurement probe self-heating feature of the continuous external environment temperature sequence are extracted, a sampling risk index is generated, and a rapid oscillation mark is formed. Through adaptive sampling, probe self-heating compensation, multi-source consistency checking and feedback optimization mechanisms, dynamic response of the heat pump system to environment changes is achieved, data accuracy and control decision reliability are improved, and stability, energy saving performance and comfort control capacity under complex working conditions are remarkably enhanced.

The invention belongs to the technical field of visual intelligent monitoring, and particularly discloses a structure multi-measuring-point displacement visual perception system and method considering temperature self-compensation, and the method comprises the following steps: collecting a target structure multi-target image and environment temperature data; structure multi-point displacement extraction based on a multi-target detection algorithm; temperature-induced error compensation based on time sequence deep learning; and carrying out edge calculation and real-time monitoring and early warning. According to the method, high-precision real-time monitoring of multi-measuring-point displacement of the structure is achieved, the long-term monitoring reliability of visual perception is improved through the temperature self-compensation technology, and the method has great significance in improving the health monitoring level of the structure.

The invention discloses a temperature compensation method and system, and the method comprises the steps: receiving a valve block temperature signal collected by a temperature sensor integrated with a pressure sensor in a closed gas supply unit, and an electronic element temperature and environment temperature signal collected by a temperature sensor on a control unit PCB, generating an initial temperature-working condition data set by combining the power of the air pump and the working duration of the electromagnetic valve; performing thermal resistance network modeling on the initial temperature-working condition data set, constructing a multi-node thermal characteristic matrix, and decomposing the matrix into a plurality of sub-matrixes; performing real-time operation on the sub-matrix by using a dynamic heat balance algorithm to generate a temperature estimation result of the key component; and generating a temperature compensation control instruction according to the temperature estimation result of the key component. According to the embodiment of the invention, the temperature of the key component can be accurately estimated, dynamic compensation is realized, and the control precision and stability of the closed gas supply unit are improved.

The invention discloses an automatic demisting control system for a demisting mirror, belongs to the technical field of smart home and automatic control, and aims to solve the problems that an existing demisting mirror is inconvenient to use and wastes energy due to the fact that the existing demisting mirror depends on manual operation. According to the system, the mirror surface temperature is detected in real time through the mirror surface temperature sensor, environment data are collected in combination with the environment temperature and humidity sensor, a dew point temperature calculation module and a dynamic threshold module are arranged in the control unit, and the current dew point temperature is calculated based on the environment temperature and the relative humidity; and dynamically adjusting a demisting trigger threshold value according to a difference value delta T between the mirror surface temperature and the dew point temperature. The heating wires are distributed on the back face of the mirror body at intervals, heating gears are selected according to the temperature difference change rate and the humidity change rate, and accurate temperature control is achieved. According to the system, through a dynamic threshold value and graded power adjusting technology, the rapid demisting and energy-saving requirements are considered, the system is suitable for automatic mirror surface demisting in humid environments such as bathrooms and swimming pools, the user experience is improved, and the energy consumption is reduced.

The invention relates to the technical field of wind driven generator monitoring, in particular to a fan fault early warning and diagnosis method fusing multi-modal time sequence data, which comprises the following steps: respectively acquiring vibration time sequence data, current time sequence data and temperature time sequence data of a fan, and respectively calculating a first feature sequence, a second feature sequence and a third feature sequence; generating a fault early warning signal based on a three-state polarity synchronous counting mechanism; calculating a dispersion statistical value, and executing chronic fault diagnosis; when the fan is in a low-load steady-state working condition, active lubrication state detection and feedback are executed; when the first feature sequence is calculated, synchronously executing adjoint oil product pollution diagnosis; and the environment temperature is judged through the temperature time sequence data, and low-temperature working condition adaptability compensation is executed under the low-temperature working condition. The main purpose of the invention is to solve the problems in the prior art that early fault signs cannot be effectively captured due to information loss during fusion processing of multi-modal data, and real faults and external interference are difficult to distinguish.

The invention relates to the technical field of energy storage module temperature control, in particular to an energy storage module multi-environment temperature automatic regulation and control unit and a regulation and control method thereof.The energy storage module multi-environment temperature automatic regulation and control unit comprises an external protection frame body installed on the outer side of an energy storage module, and an internal heat exchange flow channel used for adjusting the heating value of the energy storage module is arranged in the external protection frame body. According to the energy storage module multi-environment temperature automatic regulation and control unit and the regulation and control method thereof provided by the invention, by adopting the liftable cover body structure design, the heat exchange mode of the energy storage module can be changed according to the temperature change of the internal environment and the external environment, so that the regulation and control performance of the energy storage module at different environment temperatures is improved, and the applicability is improved; the flow direction of an internal heat exchange runner is changed through lifting adjustment of the upper lifting cover, so that heat loss is switched, and the energy consumption of the energy storage module is reduced; and by adopting an automatic regulation and control mode, the operation accuracy can be improved.

The invention provides a plastic packaging barrel online defect detection method and system based on machine vision and deep learning. According to the method, visible light and thermal image data, aligned in time, of the surface of the plastic packaging barrel are collected, the dynamic range of a thermal image is expanded to enhance the identification degree, then highlight interference is compensated through the mapping relation between a thermal image stable area and a visible light reflection area, and surface reflection suppression is achieved; superposing the processed dual-mode data to generate a multi-mode fusion image, dynamically adjusting the temperature reference value of the fusion image based on the thermal conductivity of the material and the environment temperature of the production line, and positioning an abnormal temperature region; and finally, extracting topological contours and temperature diffusion characteristics of the regions, and inputting a deep learning model to judge material structure attributes and spatial positions of the defects so as to finish online detection. According to the method, thermal and visual data are fused to enhance the perception capability on fine structure defects, and the precision and robustness of online detection of the plastic packaging barrel in a complex illumination environment are remarkably improved.

The invention provides an environment temperature compensation method and system in the turning process and electronic equipment, and relates to the technical field of turning machining.The method comprises the steps that temperature data of a machine tool at a preset position are obtained and serve as environment temperature data; according to the environment temperature data and geometric structure parameters of machining equipment of the machine tool, the current thermal deformation amount of a machine tool structural part corresponding to the machined workpiece and the current thermal deformation amount of the machined workpiece are obtained; through a long-short-term memory fusion prediction model, prediction is carried out in combination with the historical thermal deformation of the machined workpiece, and future thermal deformation of the machine tool structural part and the machined workpiece in a future preset time period is obtained; and further generating a cutter servo shaft compensation amount, a main shaft hydraulic pre-tightening force compensation amount and a cutting fluid temperature control compensation amount, generating a compensation program according to the compensation amounts, and inserting the compensation program into a machining program of a machined workpiece to complete real-time compensation. According to the invention, through real-time monitoring, dynamic prediction and multi-dimensional compensation, the precision and effect of environment temperature compensation are significantly improved.

The invention discloses a linkage control system and method for cold energy storage and release in an energy storage low-temperature interval, belongs to the technical field of energy storage system temperature control, and aims to solve the problems that traditional energy storage cold energy regulation is lagged, cold energy waste is serious, and dynamic changes of working conditions are difficult to adapt. According to the system and method, cold release judgment is triggered based on the environment temperature and the temperature of an energy storage module, a cold release interval is defined by predicting the environment temperature and the temperature of the energy storage module in a fitting mode, a temperature prediction curve is dynamically corrected in combination with real-time working conditions, cold release subintervals are divided, and a cold release control instruction is generated; and meanwhile, the temperature of the energy storage module is monitored in real time to correct the cooling capacity release control instruction, and a cooling capacity recovery instruction is generated by monitoring the temperature of the cooling liquid. Accurate steady-state control over the temperature of the energy storage module and efficient circulation of the cooling capacity are achieved, and the operation economical efficiency and safety of the energy storage system are remarkably improved.

The invention belongs to the technical field of intelligent household appliances, and particularly relates to a wind speed control method, device and equipment of an intelligent household appliance and a computer storage medium. According to the method, the expiration temperature, the cold outlet temperature and the environment temperature of the intelligent household electrical appliance are obtained, and a first temperature relation and a second temperature relation are generated based on the expiration temperature, the cold outlet temperature and the environment temperature; acquiring a preset energy-saving condition of the intelligent household electrical appliance, and judging whether the first temperature relation and the second temperature relation meet the preset energy-saving condition or not; if the first temperature relation and the second temperature relation meet the preset energy-saving condition, the intelligent household electrical appliance is controlled to enter a wind speed adjusting mode, and the wind speed of the intelligent household electrical appliance is flexibly adjusted. According to the method, the control logic of wind speed regulation of the intelligent household electrical appliance is optimized, the noise generated when the intelligent household electrical appliance is used is reduced, intelligent regulation of the rotating speed of the fan is realized under the condition that the operation of the intelligent household electrical appliance is not influenced, the operation energy consumption of the intelligent household electrical appliance is reduced, and the use experience of a user is improved.

The invention provides a conference room environment regulation and control method and system, a medium and a product. In the method, an environment regulation and control system firstly determines a target temperature according to an external environment temperature, and then carries out temperature regulation and control in advance in combination with reservation time. When the conference is carried out, the environment regulation and control system carries out targeted monitoring on the temperature of different areas by dividing the air outlet area and the non-air outlet area in the conference room, and it is ensured that the temperature imbalance phenomenon is found in time. When the regional temperature difference between the air outlet region and the non-air outlet region reaches a temperature difference threshold value, the environment regulation and control system determines the regulation sequence according to the number of people in the region and the regional temperature difference, and it is ensured that resources are preferentially used for the region with the larger influence. And finally, the environment regulation and control system calculates the air volume and the air direction by combining the space parameters of the to-be-regulated area and regulates and controls the air volume and the air direction in sequence, so that the temperature of each area synergistically approaches a target value. According to the method, the temperature difference of different positions of the conference room is effectively relieved, and the balance and comfort of the whole environment are improved.

The invention discloses an air conditioner which comprises a controller, and the controller is configured to obtain a set temperature and determine a set temperature difference according to an indoor environment temperature and the set temperature; when the air conditioner starts non-first-time refrigeration operation, the estimated target frequency and the estimated stable frequency are obtained; in the estimated frequency control stage, the air conditioner is controlled to execute the refrigeration operation; the estimated frequency control stage comprises the steps that the compressor is controlled to operate according to the estimated target frequency; when the set temperature difference does not exceed the preset temperature difference threshold value, the compressor is controlled to be reduced to the estimated stable frequency from the estimated target frequency according to the first frequency reduction rate, and after the compressor is controlled to operate for the first preset time according to the estimated stable frequency, the air conditioner is controlled to execute the fuzzy frequency control stage of the refrigeration operation; the fuzzy frequency control stage comprises the steps that the compressor is controlled to operate according to the estimated stable frequency, the use experience of a user is improved, meanwhile, the energy efficiency and the energy-saving effect are improved, and therefore efficient utilization of energy is achieved.

The invention relates to a refrigeration system fault early warning method based on an AI model. The method comprises the following steps that S1, state data, equipment design parameters and maintenance work order records are collected; s2, removing the influence of an environment temperature factor and a load factor to obtain compensated state data; s3, performing feature cross fusion on the compensated state data, the equipment design parameters and the maintenance work order records to generate comprehensive health state features; s4, establishing an FMEA failure mode recognition model, an FTA fault tree construction model and an ETA event tree evolution model of the refrigeration system according to the comprehensive health state characteristics; s5, training the AI model to obtain a refrigeration system health prediction AI model; s6, performing health state evaluation on the state data, the equipment design parameters and the maintenance work order records of the refrigeration system according to the refrigeration system health prediction AI model, and generating an equipment health index; and S7, determining a corresponding fault risk priority number according to the equipment health index, and generating a priority and a maintenance decision of a maintenance task.

The embodiment of the invention discloses a defrosting control method and device, an air conditioner and a computer readable storage medium, and relates to the technical field of air conditioners. The defrosting control method comprises the steps that the current of a draught fan is obtained; acquiring a plurality of current characteristics of the current; acquiring environment temperature and environment humidity; determining a dynamic current threshold according to the environment temperature and the environment humidity; based on the multiple current characteristics, the environment temperature, the environment humidity and the dynamic current threshold value, the frosting probability is determined; and when the frosting probability is larger than a frosting probability threshold value, defrosting control is carried out. Therefore, according to the scheme, whether frosting occurs or not can be accurately judged, and accurate defrosting control is achieved.

The invention discloses a fan variable pitch anti-stall control method, device and system based on temperature scheduling, and the method comprises the steps: calculating a minimum anti-stall pitch angle under different environment temperatures and fan output powers, and taking the minimum anti-stall pitch angle as an optimal pitch angle amplitude limiting value; constructing a corresponding relation among the environment temperature, the fan output power and the optimal pitch angle amplitude limiting value; in the operation process of the controlled fan, the temperature of the environment where the controlled fan is located and the output power of the controlled fan are collected in real time; and according to the environment temperature and the fan output power which are collected in real time and the stored corresponding relation, the real-time optimal pitch angle amplitude limiting value is obtained, so that the real-time pitch angle of the controlled fan is controlled to be lower than the real-time optimal pitch angle amplitude limiting value. According to the method, the operation safety of the unit can be improved, the control stability is improved, and the power loss can be minimized while stall is prevented.

The invention discloses an outdoor display temperature control method and system, and the method comprises the steps: obtaining and analyzing the current body temperature data of an outdoor display, and setting an initial heat dissipation working condition of a heat dissipation device according to an analysis result; based on the historical meteorological data of the surrounding environment and a preset neural network model, constructing a prediction model for prediction to obtain environment temperature prediction data; analyzing the environment temperature prediction data, determining environment temperature change characteristics, and evaluating the environment temperature change based on the environment temperature change characteristics to obtain an environment temperature evaluation value; and determining a working adjustment coefficient based on the environment temperature evaluation value, and adjusting and controlling the initial heat dissipation working condition of the heat dissipation device based on the working adjustment coefficient. By combining the machine body temperature data and the environment temperature prediction data, accurate and intelligent adjustment of the working condition of the heat dissipation device is achieved, it is ensured that the outdoor displayer can keep the proper working temperature under different environment conditions, the heat dissipation efficiency of the outdoor displayer is improved, and stable operation is ensured.

The invention discloses a directional heat dissipation power distribution cabinet with adjustable air deflectors, which relates to the technical field of equipment for power distribution cabinets and comprises a cabinet body and a heat dissipation unit arranged in the cabinet body. The heat dissipation unit comprises a directional heat dissipation assembly used for carrying out fixed-point jet cooling on key heating elements, an air guide assembly used for optimizing overall airflow organization in the cabinet, and a water cooling assembly used for carrying out pre-cooling on cooling airflow of the directional heat dissipation assembly. The directional heat dissipation assembly comprises a fan at least arranged on the top wall in the cabinet body, an air supply pipe communicated with an outlet of the fan, and an annular air pipe arranged in the power distribution cabinet and communicated with the air supply pipe. Through cooperation of the directional heat dissipation assembly and the water cooling assembly, air blown out of the air blowing pipe at the tail end of the telescopic air column is no longer ambient temperature air but low-temperature cold air cooled in advance through the liquid cooling system. According to the pre-cooling type directional air supply mechanism, the heat dissipation efficiency and the limit capacity of air cooling are greatly improved.

The invention discloses a concrete temperature stress testing machine for compensating ambient temperature, which belongs to the technical field of concrete temperature strain test and comprises a testing machine host, a heat insulation box, a sealing sleeve, a water-cooling temperature control system and an active compensation system. Through the combination of the heat preservation box and the sealing sleeve, the concrete test block, the fixed-end universal joint, the movable-end universal joint, the fixed chuck, the movable chuck, the load sensor and other core test parts are sealed in the heat preservation box and the sealing sleeve, an independent internal constant-temperature test area is constructed, and the idealized premise that temperature changes of all the parts are consistent in the prior art is broken through; meanwhile, a water-cooling temperature control system composed of a first water cavity, a through groove, a second water cavity, a water injection pipe and a water drainage pipe is arranged among the first fixing base, the second fixing base and the sliding rod, it is ensured that the external temperature is constant, and the water-cooling effect is good. The problem of superposition of external deformation and deformation of the test piece and the internal part is thoroughly avoided.

The invention discloses a primary support early-age sprayed concrete safety assessment method under cyclic blasting load, and relates to the field of concrete reliability analysis, and the method comprises the following steps: determining geometric parameters of a to-be-protected tunnel, and establishing a tunnel finite element model; determining a blasting load by using a detonation wave theory, and applying the load to the model for finite element analysis to obtain residual deformation data of each extraction point; determining a blasting load influence range; monitoring the environment temperature time sequence data of the evaluation sub-section, and representing the hydration degree and the water content of the evaluation sub-section; according to the method, the mapping relation between the mechanical characteristic parameters and the hydration degree and the water content is established, the mechanical characteristic parameters of the concrete are calculated, the safety of the sprayed concrete is determined by comparing damage with a safety difference standard, and the scientificity of safety evaluation of the sprayed concrete is improved.

The invention relates to the technical field of inductosynchronizers, and discloses a method, device and equipment for measuring the temperature characteristic of an inductosyn in a vacuum environment, and the method comprises the steps: controlling a rotating mechanism of the inductosyn to rotate to a plurality of specified angles, and carrying out the locking, the specified angle is determined according to phase information corresponding to the fine channel electrical period; under the condition that the rotating mechanism is locked at each specified angle, the environment temperature of the measurement environment is adjusted to change in a preset temperature interval, and angle information output by the inductosyn is statically collected to obtain a static measurement result corresponding to each specified angle; and determining a temperature characteristic measurement result of the inductosyn according to the environment temperature and the static measurement results corresponding to the plurality of specified angles. According to the invention, rapid, effective and accurate temperature characteristic measurement can be carried out on the inductosyn in different temperature fields, and a reliable basis is provided for temperature compensation of a high-precision angle measurement system.

The invention belongs to the field of electric digital data processing, and relates to a method for evaluating damage of long-lasting shock waves to an engineering target by considering environment temperature, which comprises the following steps of: calibrating normal-temperature constitutive model parameters; establishing a normal-temperature long-duration explosion numerical simulation model; calibrating constitutive model parameters at different temperatures; establishing a different-temperature explosion numerical simulation model, and performing explosion process numerical simulation to obtain different-temperature numerical simulation damage data; substituting the simulated damage data into a classical P-I curve expression for fitting, and establishing a P-I curve damage criterion expression at different temperatures; substituting the temperature empirical formula into a P-I curve damage criterion expression at different temperatures to obtain a damage criterion considering the temperature effect; and based on the damage criterion considering the temperature effect, completing the damage assessment work according to the characteristics of the to-be-assessed engineering target and the environment temperature. The method does not need to depend on physical tests, and can efficiently complete engineering target damage assessment under the action of long-lasting explosive shock waves through a numerical simulation technology and algorithm.

The present invention discloses a backlight driving circuit, a backlight driving board, and a backlight driving method. The backlight driving circuit includes a boost circuit and a microcontroller. The boost circuit outputs a driving voltage to the backlight module according to a driving voltage output mode. The driving voltage output mode includes a first driving voltage output mode, and the first driving voltage output mode outputs a driving voltage to the backlight module in time periods up to a rated driving voltage. The microcontroller is configured to detect the ambient temperature of the backlight module and adjust the driving voltage output mode according to changes in the ambient temperature. It can be seen that the present application can adjust the driving voltage output mode of the boost circuit according to the ambient temperature of the backlight module, so that the boost circuit can work stably, improve the low-temperature startup of the wide-temperature and high-brightness backlight module, and solve the problem of backlight flickering when the backlight module is cold-started in a low-temperature environment, thereby improving the user experience.

The invention provides a water vapor interference resistant sensor air chamber and a dynamic dehumidification method thereof.The sensor air chamber is characterized in that an acquisition control module, a temperature acquisition assembly and a heating and heat preservation assembly are arranged in an air chamber structure assembly, and the acquisition control module is connected with the temperature acquisition assembly and the heating and heat preservation assembly; the heating and heat preservation assembly is arranged on the outer side of the sensor, the collection control module carries out data processing and regulation and control parameter calculation, and precise moisture-proof control is achieved. Meanwhile, the invention discloses a dynamic dehumidification method. In combination with the change of sensor signals and the moisture condensation temperature under different temperature conditions, the heating and heat preservation assembly is started to heat the air chamber, so that the temperature of the air chamber is always higher than the dew point temperature and is fixed as the temperature difference value of the air chamber temperature and the environment temperature, and the moisture is effectively prevented from condensing in the air chamber or interfering a detection signal; the problem that the sensor is prone to false alarm in the humid environment is solved, data are stable and reliable in the humid environment, and detection precision and stability are improved.

The invention discloses a control method for defrosting of a parallel flow evaporator, which comprises the following steps of: constructing a multi-dimensional state sensing network, constructing a three-dimensional state sensing matrix by utilizing a distributed temperature sensor array on the surface of an evaporator coil, an air inlet humidity sensor and an inlet and outlet differential pressure type pressure sensor, and acquiring information such as temperature distribution, environment humidity and air pressure difference; through dynamic threshold self-adaptive judgment, based on an environment temperature field, the historical temperature of an evaporator and an icing critical temperature field calculated by a time sequence prediction model, the defrosting triggering condition is judged by combining humidity and an air pressure difference change gradient field; gradient type energy injection defrosting is adopted, in the first-stage defrosting process, the refrigerant flow is adjusted through a proportional electromagnetic valve to conduct directional defrosting, and in the second-stage defrosting process, a compressor is closed, a fin gap shape memory alloy heating network is activated, and latent heat of a phase change material is released to conduct uniform defrosting. And performing multi-physical field cooperative regulation and control, constructing a coupling model, and adjusting the heating power and pulse modulation duty ratio sequence.

The invention discloses an air conditioner intelligent regulation and control method and device based on a comfort model. The method comprises the steps that firstly, the indoor environment temperature and the human body temperature are collected in real time through a sensor module; then, an environment comfort model to be used in a temperature interval corresponding to the indoor environment temperature is determined, and meanwhile, a human body comfort model to be used in a temperature interval corresponding to the human body temperature is determined; inputting the indoor environment temperature into a to-be-used environment comfort degree model to obtain an indoor environment comfort degree value, and inputting the indoor environment temperature and the human body temperature into a to-be-used human body comfort degree model to obtain a human body comfort degree value; and air conditioner control parameters are determined based on the indoor environment comfort level value and the human body comfort level value. The air conditioner can be controlled according to changes of the indoor environment and changes of the human body temperature of the user, and therefore the experience comfort of the user is improved.

The invention provides a self-cleaning control method and device for an air conditioner, a storage medium and a program product, and the method comprises the steps that after the air conditioner enters a sleep mode, the air conditioner is controlled to enter a refrigeration condensation stage, so that condensation is formed on the surface of an indoor heat exchanger of the air conditioner; when the current moment reaches the preset moment and the temperature difference value between the indoor environment temperature and the set temperature of the air conditioner is smaller than or equal to a preset temperature difference threshold value, the air conditioner is controlled to enter a refrigeration frosting stage; and when it is detected that the temperature of the indoor heat exchanger meets the preset defrosting execution condition, a defrosting stage is started, non-reversing defrosting is conducted by controlling the rotating speed of an inner fan, the frequency of a compressor, the opening degree of a throttling device and the rotating speed of an outer fan, and self-cleaning of the air conditioner is achieved. According to the scheme provided by the invention, air conditioner self-cleaning can be carried out without specially consuming time.