297 results about "Dewpoint temperature" patented technology

The invention discloses an electrical cabinet condensation defense method and system based on environmental parameter monitoring. The method comprises the following steps: acquiring temperature and humidity information of multiple points in an electrical cabinet and outside the cabinet in real time; calculating a dew point temperature and a condensation risk index in the cabinet; predicting the lowest temperature and humidity change rate in the cabinet in the next time period in the control period; based on the minimum temperature and humidity change rate prediction value in the cabinet and the current condensation risk index, whether the electrical cabinet meets the condensation risk trend criterion is judged, if yes, the electrical cabinet enters a condensation risk suppression linkage control mode, and if not, the electrical cabinet enters a condensation risk defense self-adaptive mode; and in the condensation risk suppression linkage control process, when the current condensation risk index of the electrical cabinet is lower than a condensation risk index threshold value, entering a condensation risk defense self-adaptive mode, and otherwise, entering a next control period. Data acquisition is comprehensive and accurate, the dew point temperature can be accurately calculated, the control strategy is intelligent and flexible, equipment can operate according to needs, condensation is effectively prevented, and the energy-saving effect is remarkable.

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 discloses a tunnel dew formation and icing rapid monitoring method and system based on a space-time phase change cooperation mechanism, and relates to the technical field of tunnel engineering safety monitoring and freeze injury prevention and control. Establishing a tunnel geometric model and a heat-humidity-turbulence multi-field coupling physical model; synchronously acquiring heat and humidity physical property parameters and outdoor hourly meteorological parameters; taking the outdoor hourly meteorological parameters as Dirichlet boundary conditions and initial conditions of a heat-humidity-turbulence multi-field coupling physical model; determining a heat and humidity exchange coupling process of the tunnel wall surface and the internal environment, and defining heat and humidity transfer parameters under an unsteady state boundary; performing discretization processing on the tunnel geometric model by adopting a grid division strategy; by setting a dew point temperature threshold value and an icing temperature threshold value, a condensation risk area is judged, dynamic changes of the thickness of an ice layer are quantified, and monitoring of tunnel condensation and icing is achieved. The method can effectively reflect the distribution rule of multiple physical fields on the surface and in the tunnel in any time, accurately judge the risk area and quantify the thickness of the ice layer.

The invention relates to the technical field of electrical equipment state monitoring and fault early warning, and particularly discloses an electrical cabinet condensation risk online monitoring method and system, and the method comprises the steps: synchronously collecting the physical parameters of the same microscopic space point in an electrical cabinet; calculating the classical dew point temperature by adopting a Magnus formula; performing quantification processing on the air pressure micro-fluctuation data in the time window, and calculating information entropy of micro-air pressure fluctuation; the wall surface temperature gradient and the air flowing state are fused, and the equivalent dew point temperature is calculated; real-time safety margin is calculated, and the instantaneous change rate of the safety margin is solved; constructing a condensation risk trend index; comparing with a preset threshold value, generating an early warning signal and a risk diagnosis label, and completing condensation risk monitoring; the system comprises a multi-physical field sensing unit, an embedded processing unit, a self-adaptive control unit, a man-machine interaction unit and a communication unit which are integrated in the same shell.

The invention relates to the technical field of facility agriculture environment control, and discloses an anoectochilus formosanus growth environment temperature and humidity non-electrical variable adjustment method, which comprises the following steps: acquiring dry-bulb temperature and relative humidity, calculating real-time dew point temperature, and generating a dew point approximation index; when the dry-bulb temperature is higher than a set value to trigger cooling, monitoring the relationship between the index and a security defense threshold value; when the index is lower than a threshold value, the humidification starting permission is locked, and ventilation is driven; when the index is higher than a threshold value, locking is relieved, and humidification output is limited according to the dry-bulb temperature drop rate, so that the dew point rise rate is lower than the dry-bulb temperature drop rate. By establishing the dew point defense boundary and asynchronous decoupling control logic, the problem of transient condensation caused by response time constant mismatch in a multivariable coupling system is solved; the risk of microscopic condensation of leaf surfaces is eliminated, and high-precision lossless regulation and control of the anoectochilus formosanus growth environment are realized.

The invention discloses a mold cooling water supply, conveying and quantitative control method and system. The method comprises the following steps: acquiring an initial monitoring data set; according to the initial monitoring data set, if the partition temperature exceeds a preset threshold value, the flow of the corresponding cooling channel is increased, if the partition temperature is lower than the preset threshold value, the flow is reduced, and an optimized flow distribution scheme is generated; a dynamic adjusting module is adopted to conduct temperature parameter calibration on the optimized flow distribution scheme, if the regional temperature deviation is detected, the cooling medium supply amount is corrected, and a dynamic balance control instruction is generated; humidity and dew point temperature data are obtained from an environment monitoring system, if the difference value between the humidity and the dew point temperature is smaller than a safety threshold value, a condensation prevention mechanism is triggered, and a cooling medium temperature upper limit parameter is adjusted; and executing partition cooling control according to the final regulation and control parameters, and feeding back the operation data to a database for updating a preset threshold value and optimizing algorithm parameters. Intelligent and accurate control over the mold temperature is achieved, and the product quality and the production efficiency are improved.

The invention provides an air conditioner dehumidification power control method based on a constant dew point temperature and an air conditioner, and relates to the field of air conditioners, the air conditioner dehumidification power control method comprises the steps that a first dew point temperature difference between a first dew point temperature of a lithium battery workshop and a target dew point temperature is determined, and a standard regeneration temperature of a rotary dehumidifier is adjusted based on the first dew point temperature difference; when the return air humidity of the air conditioner is larger than or equal to the preset humidity threshold value, the air conditioner is controlled to be switched to a humidity closed-loop control mode, and the regeneration temperature of the rotary dehumidifier is reduced to be lower than the standard regeneration temperature; and the second dew point temperature of the lithium battery workshop is determined in the humidity closed-loop control mode, and the dehumidification power of the air conditioner is adjusted based on the second dew point temperature difference between the second dew point temperature and the target dew point temperature. And in the humidity closed-loop control mode, the dehumidification power of the air conditioner is dynamically adjusted according to the re-determined second dew-point temperature difference, and energy waste caused by excessive dehumidification is avoided on the premise that the dew-point temperature of the lithium battery workshop is kept stable.

The invention relates to the technical field of refrigeration equipment state monitoring and data analysis, and discloses a freezer remote monitoring and fault prediction system, which comprises the steps of intercepting operation data of a freezer in a door closing silence period, calculating an environment dew point temperature sequence and extracting a unit temperature difference load fluctuation ratio sequence of a refrigeration system; based on the time change rate of the environment dew point temperature sequence and the unit temperature difference load fluctuation ratio sequence, an instantaneous cross bispectrum coupling potential energy sequence representing the nonlinear modulation relation of the time change rate and the unit temperature difference load fluctuation ratio sequence is constructed; then, a two-dimensional phase space hysteresis track is constructed with the environment dew point temperature sequence as the horizontal axis and the instantaneous cross bispectrum coupling potential energy sequence as the longitudinal axis, and the cross bispectrum hysteresis entropy of the dew point driving type load volatility is calculated based on the probability density distribution of the track and the directed circulation area; and finally, judging an operation state and outputting a fault prediction result by verifying whether the entropy value is within a historical reference interval.

This application belongs to the technical field of air compressor safety, and particularly relates to a safety operation method for a piston air compressor. A safety operation method for a piston air compressor includes the following steps: S1, a flexible baffle is provided on an air-cooled plate cooler connected to the piston air compressor; S2, temperature data of each cooling unit at the current moment is obtained, and at the same time, the temperature change trend and the opening area change trend of the air outlet end of each cooling unit are obtained; S3, according to the pressure dew point temperature of the air outlet end of each cooling unit at the current moment, the opening area of each cooling unit at the current moment is adjusted to change the coverage degree of the flexible baffle on the air-cooled flow channels of each cooling unit at the next moment, so that the temperature of the air outlet end of each cooling unit is always above the corresponding pressure dew point temperature. This application can尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。 It should be noted that there is an unclear part in the original Chinese text "尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。" which may need to be further clarified for a more accurate translation. The above translation is based on the best understanding of the current text.

A method and system for preventing condensation of an ultrasonic liquid level meter. The method comprises: connecting a heat tracing unit to an ultrasonic liquid level meter, and deploying a temperature monitoring module; on the basis of a measurement result of the monitoring module, calculating the dew point of the surface of a probe of the ultrasonic liquid level meter; and comparing the dew point with the surface temperature of the liquid level meter measured by the monitoring module and, on the basis of a heating control execution module, performing dynamic temperature control. By means of deploying the heating unit and the temperature monitoring module, the present invention measures the surface temperature of the probe in real time and, on the basis of the calculated dew point, dynamically adjusts heating power, such that the surface temperature of the probe is higher than the dew point temperature, thus effectively avoiding condensation and solving the effect of environment temperature and humidity on the precision of liquid level measurement.

The invention relates to the technical field of heat pump control, and discloses a defrosting method and device of a heat pump system and the heat pump system.The defrosting method comprises the steps that the temperature and humidity of gaps of a fin type heat exchanger are monitored in real time; and when the temperature is lower than or equal to the threshold value of the dynamic dew point temperature plus the safety margin and the humidity is higher than or equal to the threshold value, it is judged that the frosting prevention condition is met, the gap temperature is increased by adjusting the refrigerant bypass valve, the gap humidity is reduced by adjusting the airflow adjusting valve, and therefore frosting is actively prevented. And if the frost layer appears, short-time refrigeration interruption or low-power heating is started for defrosting according to the thickness of the frost layer or a pressure difference signal. And the formed ice layer is forcibly removed by switching the flow direction of the refrigerant and heating. By means of three-level linkage control, accurate defrosting in the whole process from prevention to removal is achieved, energy waste is effectively avoided, the defrosting efficiency and operation stability of the system are improved, and the user experience is improved.

The invention relates to the technical field of safety operation and maintenance of power equipment, in particular to an active anti-condensation control method, system and equipment for a switch cabinet and a medium, which are applied to an active anti-condensation control system for the switch cabinet and used for preprocessing operation environment data of the switch cabinet acquired by a sensing layer based on a data acquisition unit; cabinet body surface temperature fusion and dew point temperature calculation are carried out based on the risk research and judgment unit, a dynamic condensation risk index and a global risk index are obtained, and a risk level is judged through the obtained dynamic condensation risk index and a preset threshold value; and according to the risk level and the global risk index, based on a cooperative control unit and according to a preset multi-mode control strategy, generating a control instruction to perform active condensation prevention of the switch cabinet. Therefore, the early condensation trend is pre-judged, and faults such as insulation reduction and metal corrosion caused by condensation formation are effectively avoided.

The invention discloses an intelligent optimized variable water temperature anti-condensation control method for a radiant cooling system, and relates to the technical field of radiant cooling system control. According to the intelligently-optimized variable-water-temperature anti-condensation control method for the radiant cooling system, through multi-parameter comprehensive monitoring and an intelligent prediction model, the condensation risk can be predicted in advance and adjusted, the response speed is high, the hysteresis of an existing algorithm is avoided, the condensation phenomenon is effectively prevented, a partition control strategy and a dynamic feedback adjustment mechanism are combined, and the control accuracy is high. System parameters can be accurately adjusted according to different areas and real-time conditions, the control precision is high, it is ensured that the radiation surface temperature is always higher than the dew point temperature, the reliability and comfort of the system are improved, the dehumidification system is cooperated to reduce the condensation risk, meaningless operation of dehumidification equipment is reduced, and the overall energy efficiency of the system is improved; the system has a good energy-saving effect, is suitable for various types of radiant cooling systems, and has wide popularization and application values.

The invention provides a vehicle window defogging method and system, a vehicle and electronic device.The method comprises the steps that historical multi-source state parameters and environmental parameters of the vehicle, the first temperature of current vehicle window glass and the first dew point temperature of air in a passenger compartment are obtained; the multi-source state parameters and the environment parameters are input into a model, a first temperature sequence and a humidity sequence of air in a future passenger compartment and a temperature sequence of window glass are obtained, and the model is constructed based on physical simulation and data driving fusion; according to the first temperature sequence and the humidity sequence, a dew point temperature sequence of future passenger compartment air is determined; and according to the first temperature, the second temperature sequence, the first dew point temperature and the change rate of the safe temperature margin, the minimum safe temperature margin and the future safe temperature margin determined by the dew point temperature sequence, the start-stop state and the demisting strength of the demisting function of the air conditioner are determined. Automatic demisting of the car window is achieved through the data-physical fusion temperature and humidity prediction model, and the accuracy and reliability of demisting judgment in the complex environment are improved.

The invention provides an air conditioner anti-condensation control method and an air conditioner. The method comprises the steps that the absolute moisture content D and the dew point temperature Td of air are calculated according to the outdoor unit environment temperature Ta and the outdoor unit environment relative humidity phi so as to judge whether anti-condensation starting conditions are met or not, and when the anti-condensation starting conditions are met, the initial energy requirement Q of a compressor is determined according to the shutdown interval time m; the target parameters are periodically refreshed; the compressor refrigerating capacity q is obtained based on the target parameters, the actual dehumidification capacity Dx is determined based on the compressor refrigerating capacity q, and the dynamic dew point temperature Tdn is obtained according to the actual dehumidification capacity Dx; and updating the real-time compressor energy demand Qn and the anti-condensation operation time Hn based on the dynamic dew point temperature Tdn so as to adjust the rotating speed of the compressor. Under the condition that the indoor unit and the outdoor unit do not communicate with each other, the outdoor unit can perform fuzzy control to perform anti-condensation protection; and refrigeration load output adjustment can be carried out in real time according to different humidity, and it is guaranteed that condensation is avoided and rapid cooling can be achieved.

The invention discloses a control method and device of an air conditioner, the air conditioner, a storage medium and a computer program product, and the method comprises the steps that in the refrigeration operation process of the air conditioner, whether the current environment is in a temperature and humidity state needing preferential dehumidification or not is determined according to the indoor environment temperature and the indoor relative humidity; if it is determined that the current environment is in the temperature and humidity state needing preferential dehumidification, the frequency of a compressor and the rotating speed of an inner fan are adjusted, and the air conditioner executes dehumidification operation; after the dehumidification operation is completed, the environment dew point temperature is calculated based on the indoor environment temperature and the indoor relative humidity; dynamically adjusting the running frequency of the compressor and the rotating speed of the inner fan according to the environment dew-point temperature and the evaporator surface temperature to enable the evaporator surface temperature to be higher than the environment dew-point temperature. According to the scheme, the anti-condensation response speed is increased, the control precision and the environmental adaptability are improved, and the balance of efficient dehumidification and stable anti-condensation is achieved.

The invention discloses an air conditioner condensation prevention control method, device and system and an air conditioner, and belongs to the field of air conditioner condensation prevention. The air conditioner anti-condensation control method comprises the steps that after target parameters are obtained, a target threshold value is obtained through calculation based on the target parameters; and when the temperature difference value of the evaporator surface temperature and the dew point temperature is smaller than the target threshold value, anti-condensation control is conducted. According to the scheme, the threshold value is dynamically determined based on the indoor air humidity and the operation frequency of the compressor, and the threshold value is substantially the allowable minimum temperature difference safety boundary between the evaporator surface temperature and the dew point temperature. When it is monitored that the actual temperature difference between the two is lower than the dynamic threshold value, the controller automatically starts an anti-condensation measure; condensation can be prevented in time, condensation and water dripping of the indoor unit are prevented, the comfort level of a user can be guaranteed as much as possible, and the user experience is improved.

The dehumidification and condensation prevention control method for the liquid cooling energy storage outdoor cabinet is low in cost and capable of effectively avoiding condensation and comprises the steps that S10, according to the current liquid outlet temperature T1 of a liquid cooling unit and the current liquid inlet temperature T2 of the liquid cooling unit, the target dew point temperature T3 is calculated and determined, and according to the current environment temperature and environment humidity in the liquid cooling energy storage outdoor cabinet, the environment dew point temperature T4 is determined; s20, the dehumidifier is controlled to be started and stopped according to the judgment result whether the environment dew-point temperature T4 is larger than or equal to the target dew-point temperature T3 or not; s30, the current liquid outlet temperature T1 and the current liquid inlet temperature T2 of the liquid cooling unit are obtained in the dehumidification process of the dehumidifier, a new target dew point temperature T3'is calculated and determined, and a new environment dew point temperature T4 'is determined according to the current environment temperature and environment humidity in the liquid cooling energy storage outdoor cabinet; and S41, according to the judgment result whether the difference delta T between the new environment dew point temperature T4'and the new target dew point temperature T3 'is smaller than a first preset temperature threshold value X with the value being negative or not, the dehumidifier is controlled to stop dehumidification or continue to keep dehumidification.

The present application relates to the technical field of electrical equipment state monitoring and fault early warning, and specifically discloses a kind of electrical cabinet condensation risk on-line monitoring method and system, the method comprises: the physical parameters of the same microcosmic space point in electrical cabinet are synchronously collected;Adopt the formula of Magnus to calculate classical dew point temperature;Quantitative processing is carried out to the air pressure microfluctuation data in time window, and the information entropy of micro air pressure fluctuation is calculated;Fusion wall temperature gradient and air flow state, calculate equivalent dew point temperature;Calculate real-time safety margin, and solve the instantaneous change rate of safety margin;Condensation risk trend index is constructed;Compared with the preset threshold, generate early warning signal and risk diagnosis label, complete condensation risk monitoring;The system includes integrated in the same shell multiple physical field sensing unit, embedded processing unit, adaptive control unit, man-machine interaction unit and communication unit.

The invention relates to the technical field of cooking devices, and discloses a cooking control method, a computer readable storage medium and a cooking device. The cooking control method comprises the following steps: controlling the cooking device to execute a steaming program; acquiring the cold surface temperature of a container in the cooking device in real time according to a dish steaming program in the steaming program executed by the cooking device, and comparing the cold surface temperature with the dew point temperature in the cooking device; when the cold surface temperature is smaller than the dew point temperature, the cooking device is controlled to start a circulating air program; if the cold surface temperature is larger than or equal to the dew point temperature, the circulating air program is not started, and the dish steaming program continues to be executed. Circulation of circulating air is designed in the cooking device, steam circulation is achieved to increase the condensation resistance of steam, liquid drops are prevented from nucleation and convergence, condensation of condensate water is avoided, and the situation that a large amount of condensate water is left in the containing vessel in the steaming process is avoided.

The invention provides a heat pump ring fin difference control method and system based on dew-point temperature prediction, and the method comprises the steps: calculating the current dew-point temperature based on the air temperature and the relative humidity, and obtaining a future dew-point temperature sequence through linear weighting prediction based on historical dew-point data; generating a candidate control action set based on the current dew point temperature, the future dew point temperature sequence, the current fin temperature, the current opening degree of the electronic expansion valve, the rotating speed of the fan and the upper limit of the adjustment stride; screening candidate action subsets through an evaluation function; for each candidate action, using a semi-analytical system response simulator to predict a future fin temperature sequence, and calculating a difference sequence between the fin temperature and the dew point temperature based on the future fin temperature sequence; carrying out weighted calculation on a risk score for the difference value sequence of each action, and screening an action set based on a risk score threshold value; and an objective function is constructed, the action with the minimum objective function value is selected as the optimal control action, and the optimal control action is issued to the electronic expansion valve and the fan driver through PWM signals.

The invention discloses a humidity control method and system of a liquid-cooled battery cabin, a medium and a program product, and relates to the technical field of liquid-cooled battery cabins, and the humidity control method comprises the following steps: respectively collecting an environment temperature and a dew point temperature in the liquid-cooled battery cabin, and a water outlet temperature and a water return temperature of a cooling liquid; the environment temperature, the outlet water temperature and the return water temperature are compared; the lowest temperature in the environment temperature, the outlet water temperature and the return water temperature serves as the dehumidification starting temperature; calculating a humidity control temperature according to the dehumidification starting temperature and the dew point temperature; and the dehumidifier is controlled to be turned on or turned off according to the relation between the humidity control temperature and a preset temperature threshold value. According to the technical scheme, condensate water can be effectively prevented from being formed, it is guaranteed that the temperature and humidity in the battery compartment are kept within the safe range, then the working energy efficiency of the dehumidifier is improved, battery performance reduction and static electricity accumulation are avoided, the service life of a battery is prolonged, and the operation safety of the battery compartment is guaranteed.

The invention discloses a high-pressure special gas cylinder filling anti-condensation method and system and a medium. The high-pressure special gas cylinder filling anti-condensation method comprises the steps that S1, the dew point temperature Tdp of a high-pressure special gas cylinder filling environment is obtained through calculation; s2, real-time monitoring of the surface temperature Tsurface of the gas cylinder is completed, and the saturation temperature Tsat of the preset gas in the filling process is obtained through calculation; and S3, filling rate control is conducted, specifically, gas filling rate control is completed based on the gas cylinder surface temperature Tsurface, the dew point temperature Tdp and the filling process saturation temperature Tsat, so that the gas cylinder surface temperature Tsurface is higher than the dew point temperature. By dynamically calculating the relation between the environment dew point temperature and the gas cylinder saturation temperature, the filling rate is adjusted in real time, the filling efficiency is improved on the premise that condensate water is not generated, and the high-precision filling requirement is met.

A packaged terminal air conditioner unit includes discharge air temperature and humidity sensors in the discharge air stream. Input from the sensors is used to determine the dewpoint temperature of a mixture of outside air and recirculated room air prior to discharge to the conditioned space. The air conditioner unit modifies one or more of indoor fan speed, compressor speed, and an electronically controlled expansion device to adjust the discharge air dewpoint temperature to a predetermined target value.

The invention discloses a closed cooling tower control method for performing dynamic dew point temperature tracking based on an AI algorithm model, the control method is used for controlling a closed cooling tower, and the control method comprises the following steps: step 1, collecting data in real time; step 2, data preprocessing; step 3, in a decision-making stage of AI algorithm model reasoning, the central controller carries the AI algorithm model of a supervised learning pre-training and reinforcement learning online optimization hybrid architecture, and outputs an optimal cooling mode based on the preprocessed data; 4, cooling mode execution and mode switching are carried out, and the central controller controls all the modules to execute the corresponding cooling modes in the dry cooling mode, the evaporation cooling mode and the collaborative cooling mode according to the model instructions; 5, closed-loop feedback: monitoring and adjusting the running state, and after the cooling mode is executed, continuously monitoring the running state by the system to form closed-loop optimization; and 6, processing a special scene.

The invention provides a drying control method of an air conditioner and a related product. The method comprises the steps that when the operation mode, used for drying, of the air conditioner is a refrigeration mode for drying, the indoor humidity and the indoor temperature are obtained; determining target humidity according to the indoor humidity; determining a dew point temperature according to the target humidity and the indoor temperature; and controlling a compressor and / or an indoor fan of the air conditioner according to the dew point temperature. According to the scheme, the problems that an existing air conditioner is low in clothes drying efficiency and poor in clothes drying effect are solved, and the purpose of improving the user experience is achieved.

The application discloses a condensation prevention control method, a cooling device and a refrigerating unit. The cooling device is used for cooling a heat generating component. The condensation prevention control method comprises the following steps: detecting the ambient temperature and the ambient humidity where the heat generating component is located and calculating a dew point temperature T0; judging whether the ambient humidity exceeds a set humidity limit value; if yes, performing an ambient temperature rising action, and starting the cooling device when the actual temperature of the heat generating component is greater than the dew point temperature T0; and if no, starting the cooling device when the actual temperature of the heat generating component exceeds a set limit temperature. The application combines the ambient temperature and humidity where the heat generating component is located with the actual temperature of the heat generating component, reasonably determines the starting time of the cooling device, and designs the condensation prevention and heat dissipation control action only for the cooling device, so that the condensation phenomenon of the heat generating component is effectively prevented, and the reliability of the refrigerating unit is greatly improved.

The utility model relates to a kind of coating device with antiskid conveying structure, core improvement is to replace the first over roller of traditional metal over roller of winding guide roller group with plastic material and the first over roller of surface being equipped with antiskid structure, to solve traditional technical defects.Plastic material friction coefficient is higher than metal, can naturally promote and the contact friction of flexible copper-clad plate substrate, surface antiskid structure is matched, can further increase effective contact area, make friction force multiple level promotion, ensure that flexible copper-clad plate substrate is stably and uniformly conveyed to winding mechanism.Meanwhile, plastic thermal conductivity is far lower than metal, surface temperature is little by environmental temperature and humidity fluctuation, not easy to reduce to dew point temperature below, reduce the condensation of over roller surface water vapor from the source, greatly reduce the probability of dewing, both eliminate the negative influence of water droplet on friction coefficient, consolidate antiskid effect, prevent flexible copper-clad plate substrate from being damp and deforming, improve the reliability and service life of final product.

The application belongs to the technical field of electrical appliances, and particularly relates to a humidity control method, device, equipment and storage medium of a steam cooking equipment, which comprises the following steps: obtaining a target dew point temperature of an inner container according to an ambient temperature of the steam cooking equipment and a target humidity of the inner container; obtaining a cooking control parameter of the steam cooking equipment according to a dew point temperature of the inner container of the steam cooking equipment and the target dew point temperature of the inner container; obtaining temperature change information of the inner container during the control of the humidity of the inner container of the steam cooking equipment according to the cooking control parameter, and judging whether the humidity of the inner container meets a cooking control parameter compensation condition according to the temperature change information of the inner container; if yes, obtaining a compensated cooking control parameter according to the temperature change information; and controlling the humidity of the inner container of the steam cooking equipment according to the compensated cooking control parameter. The application avoids the influence of the hysteresis or overshoot phenomenon of humidity control on the humidity control effect, and improves the accuracy and flexibility of humidity control.

This application relates to the field of constant temperature and humidity control technology, and discloses a control method and control device for a constant temperature and humidity chamber, as well as the chamber itself. The control method for the constant temperature and humidity chamber includes: acquiring the internal temperature, internal humidity, and surface temperature of the main evaporator of the chamber; calculating the dew point temperature based on the internal temperature and humidity; determining whether the main evaporator has a concealed dehumidification function based on the surface temperature and dew point temperature; and, if a concealed dehumidification function exists, controlling the constant temperature and humidity chamber to execute a preset optimized control logic in terms of humidity control. This application can improve the stability of humidity control in a constant temperature and humidity chamber.