163results about How to "High temperature control accuracy" patented technology

The invention discloses a CPU junction temperature control method and system, and the method comprises the steps: obtaining first temperature data collected by an internal temperature sensor and n pieces of second temperature data collected by n ambient temperature sensors disposed around, constructing a temperature field grid topological graph, and carrying out the calculation to obtain standardized temperature field data; carrying out first-order and second-order derivative calculation of time dimension, constructing spatio-temporal characteristic sequence data, and calculating to obtain topological characteristic vector data of the temperature field; the attention weight is adopted, and fusion feature vector data are obtained through calculation; calculating to obtain system stability index data by adopting a gating circulation unit network; constructing a workload feature vector, and performing classification processing to obtain load type index data; calculating to obtain multi-level early warning threshold set data; and a prediction model is constructed and optimized to obtain control parameter set data, and a final control instruction sequence is generated. According to the invention, the temperature control precision is improved, and the reliability and the use efficiency of the power utilization information acquisition terminal are improved.

The invention discloses an emulsion paint production temperature control management system and method, and relates to the technical field of automatic temperature control. According to the emulsion paint production temperature control management system and method, by arranging the emulsion paint temperature monitoring module, the temperature abnormity module and the temperature adjusting module, accurate temperature control in the emulsion paint production process is achieved. The temperature change of the latex paint in different production stages is monitored in real time through a temperature sensor, a temperature fluctuation curve is generated through time sequence analysis, periodic fluctuation and amplitude characteristics of temperature are recognized based on a spectrum similarity analysis technology, a temperature fluctuation intensity index is calculated, and whether temperature abnormity exists or not is judged by comparing the temperature fluctuation intensity index with a preset threshold value; when the temperature abnormity is identified, the temperature adjusting module dynamically adjusts the power output of the temperature control equipment through a PID control algorithm, and precise temperature control is achieved. The temperature control precision and the stability in the production process are obviously improved, and the quality consistency and the production efficiency of the latex paint are ensured.

The invention provides an environment data processing method and device based on digital twinning and a storage medium. The method comprises the following steps: acquiring a temperature time change curve, a humidity time change curve and a pressure time change curve based on historical test environment data of a cloud chamber environment control system to construct a twin simulation operation model of a cloud cabin; a twin operation model is used for simulating the required temperature control duration, the required humidity control duration and the required pressure control duration corresponding to the environment data target value, and through a temperature monitoring subsystem, a humidity monitoring subsystem and a pressure monitoring subsystem, according to the required temperature control duration, the required humidity control duration and the required pressure control duration, the temperature control duration, the humidity control duration and the pressure control duration are controlled. And controlling environmental data of the cloud cabin. The environment data of the cloud cabin can be simulated in advance by using the twin operation model of the cloud chamber environment control system, and the environment data of the cloud cabin is controlled through the monitoring subsystem by using the simulation result, so that the control accuracy of the environment data of the cloud cabin is improved, and the invalid test process is reduced.

The invention discloses a thermoelectric refrigerating unit self-adaptive temperature control system and method based on transient supercooling. In the system, a temperature detection unit is used for acquiring cold end temperature information of a thermoelectric refrigerating unit; the thermal load monitoring unit is used for monitoring thermal load information of the thermoelectric refrigerating unit; the PID controller is used for controlling the cold end temperature of the thermoelectric refrigerating unit at the target temperature as an optimization target, and regulating and outputting a first current by utilizing the cold end temperature information; the transient pulse controller regulates and controls the amplitude limiting current based on the thermal load information; the feedforward controller adjusts the advanced regulation and control current based on the thermal load information and outputs a second current; the amplitude limiting output unit is used for outputting and limiting the total current of the first current and the second current to be within an amplitude limiting current according to the amplitude limiting current generated by the transient pulse controller; the power output unit drives the thermoelectric refrigerating unit based on the current generated by the amplitude limiting output unit. The thermal load resistance of the thermoelectric refrigerating unit can be remarkably improved, and the temperature control precision and stability are improved.

The invention provides a partition temperature control irradiation device, and belongs to the technical field of nuclear irradiation devices, the partition temperature control irradiation device is characterized in that a first connecting pipe connects a first test section and a second test section, by adjusting the first connecting pipe, on one hand, the first connecting pipe can play a role in protecting a second pipe group, and on the other hand, by adjusting the first connecting pipe, the second pipe group can play a role in protecting the second pipe group; the relative position between the first test section and the second test section can be adjusted, so that the axial position of the second test section can be adjusted, and the ventilation volume of temperature control loops of the first pipe group and the second pipe group and the component proportion of mixed gas are respectively controlled; according to the irradiation device, samples at different positions in the axial direction of the irradiation pore channel can meet different or same test temperature requirements, control over multiple test temperatures is achieved in the same irradiation device, the temperature control range of the irradiation device is expanded, and the temperature control precision of the irradiation device is improved by adjusting the axial position of the second test section.

The invention discloses a multi-dimensional energy-saving analysis dynamic management platform and method for a building, and relates to the technical field of building energy-saving management, and the method comprises the following steps: monitoring the indoor temperature in real time through a temperature monitoring system, and transmitting the collected temperature data to a control system; the obtained current indoor temperature is compared with a preset starting value and a preset stopping value of the air conditioning system, and starting and stopping of the air conditioning system are controlled through a control system; real-time indoor temperature data are collected and constructed into an analysis data set, and key features capable of reflecting the temperature change trend are extracted from the analysis data set. Through real-time temperature data analysis and machine learning prediction, temperature change stages are accurately divided, conventional start-stop control is adopted in a normal stage, output power is dynamically adjusted through fuzzy logic in a rapid stage, frequent start-stop and energy waste are avoided, temperature control precision and comfort are improved, energy efficiency is remarkably improved, operation cost is reduced, and the method is suitable for large-scale popularization and application. The service life of air conditioning equipment is prolonged, and an efficient and intelligent energy-saving management scheme is provided.

The invention discloses a refrigerator temperature equalization method and system based on dynamic wind speed control, and relates to the technical field of refrigerator temperature equalization, and the method comprises the following steps: monitoring the standard temperature of each region under the optimal operation state of a refrigerator, and obtaining the temperature equalization data of the refrigerator; acquiring load temperature influence data and fan processing influence data which influence the temperature equalization of the refrigerator; carrying out machine learning on the load temperature influence data and the fan processing influence data to obtain a temperature change suitable model; and controlling the output wind speed and output stop of the fan according to the output of the temperature change suitable model in combination with the temperature uniformity data. According to the invention, the wind speed is accurately controlled, so that the problem that the temperature nonuniformity is influenced by over-high or over-low regulation of the wind speed is solved.

The invention relates to a coating sample anti-condensation performance simulation test device and an anti-condensation performance evaluation method. The simulation test device comprises an indoor environment simulation box and an inner wall temperature simulation device which is arranged in the indoor environment simulation box and is used for controlling the temperature of a sample to be tested. The evaluation method comprises the following steps: calculating the critical dew formation temperature of a sample to be tested and the temperature control temperature of the sample when the critical dew formation temperature is obtained, and calculating the difference between the critical dew formation temperature and the temperature control temperature so as to simulate the temperature difference between the critical dew formation temperature and the temperature control temperature in a test environment to evaluate the anti-dew formation performance of the sample to be tested. Compared with the prior art, the method has the advantage that the anti-condensation performance of the coating sample can be accurately evaluated.

The invention discloses a temperature control management system of an intelligent medical cabin for high altitude, which comprises a multi-source data acquisition module, a power self-adaptive processing module and a temperature control management display module, relates to the technical field of medical environment control, and solves the technical problems of serious performance attenuation, low energy efficiency, rigid control strategy and poor adaptability. According to the method, the current altitude and the current atmospheric pressure serve as core input parameters, the heating capacity attenuation coefficient and the convective heat transfer coefficient of the heat pump are subjected to real-time and quantitative scientific correction, the limitation that a traditional system neglects changes of environmental physical characteristics is broken through, a heat load calculation model is converted into a plateau self-adaptive model from a plain model, and the calculation efficiency is improved. The calculated total heat load demand and the heat pump output power better meet the actual physical conditions of the plateau, and therefore it is guaranteed that the basic output capacity of the temperature control system is consistent with the design expectation.

The invention discloses a double-Curie-temperature composite foil and a preparation method thereof. The double-Curie-temperature composite foil comprises a magnetic metal matrix and a composite foil, wherein the surface of one side of the composite foil is formed by cold rolling ferrite magnetic particles and a forming agent. The composite foil with the double Curie temperatures is used for a heating material of a decentralized electromagnetic heating low-temperature cigarette product, accurate control over heating is facilitated, and the composite foil has the following advantages that (1) the composite foil has the accurate double Curie temperatures, and the temperature control accuracy of the decentralized electromagnetic product can be improved; (2) the total thickness of the composite foil is relatively small, so that a continuous production process from molding to cartridge is facilitated; and (3) the metal substrate and the ferrite particles are in semi-metallurgical and semi-mechanical combination, the production process is simple, and the cost is lower.

The utility model belongs to the technical field of glass reinforced plastic plates, and particularly relates to a rapid cooling device for a glass reinforced plastic plate. The device comprises a fixed frame which is arranged between a drying oven and roller glue equipment, and a glass reinforced plastic plate penetrates through the middle of the fixed frame; the multiple air curtain machines are arranged above and below the fixed frame, the air curtain machines above and the air curtain machines below are arranged in a staggered mode, and air outlets of the air curtain machines face the glass steel plate; a tray is further arranged at the air inlet of the upper air curtain machine and used for containing cold water or ice blocks. The utility model is used for solving the technical problems in the prior art that the production efficiency is influenced and the cooling temperature is difficult to accurately control because the glass reinforced plastic plate is naturally cooled.

The invention discloses a waste incineration boiler steam temperature control method and system based on a hierarchical control strategy, and the method comprises the steps: collecting data through a high-precision sensor, and constructing a fault detection model for monitoring the system fault and abnormal conditions in real time; when the fault detection model detects a fault, an improved PID control algorithm considering mutual influence of characteristics is used to quickly respond to and adjust the instantaneous change of the steam temperature at the outlet of the waste heat boiler of the waste incineration power plant; constructing a medium-term prediction model by using the adjusted outlet steam temperature of the waste heat boiler of the waste incineration power plant, and predicting the relationship between the main steam flow and the outlet steam temperature of the boiler in real time; a long-term prediction model is constructed through historical data, and the large inertia effect and the long-term change trend of the waste heat boiler of the waste incineration power plant are predicted; and collecting and analyzing suggestions of a user on system operation, and dynamically adjusting a control strategy to improve system performance and user satisfaction. And load fluctuation and environment change can be adapted more quickly, and stable operation of the system is ensured.

The invention discloses a plate processing technology, and aims to provide a plate arc-shaped surface processing method which is characterized by comprising the following steps: S1, plate pretreatment; s2, plate heating; s3, preparing a bending die; s4, the plates are placed and pressurized; s5, bending processing is carried out; s6, cooling treatment; s7, surface quality detection; s8, size detection; s9, post-processing the plate; and S10, final detection and packaging. Compared with the prior art, the plate arc-shaped surface machining method has the advantages that high-quality arc-shaped surface machining of the plate can be effectively realized; through a series of process steps of systematic pretreatment, heating, bending, cooling and the like on the plate, it is guaranteed that the plate does not deform or crack in the machining process, and the surface quality and the size precision of the bent plate can also be guaranteed; the invention is suitable for the technical field of plate processing.

The invention discloses a temperature control method of an air fryer, and relates to the technical field of food processing. The air fryer comprises a heating assembly and a temperature controller which are arranged in a cooking cavity of the air fryer, the temperature controller is arranged at the cold end or the hot end of the heating assembly and is configured to detect the environment temperature in the cooking cavity, and the method comprises the steps that in the preheating stage, the temperature controller controls the heating assembly to work according to a first temperature threshold value; the adjusting stage comprises a plurality of adjusting periods, and the temperature controller controls the heating assembly to work at a dynamic temperature control point in each adjusting period; the dynamic temperature control points corresponding to all the adjusting periods are progressively increased or decreased from the first temperature threshold value to the second temperature threshold value according to the time sequence; in the constant temperature stage, the temperature controller controls the heating assembly to work according to a second temperature threshold value; when the temperature controller is arranged at the cold end of the heating assembly, the first temperature threshold value is smaller than the second temperature threshold value; when the temperature controller is arranged at the hot end of the heating assembly, the first temperature threshold value is larger than the second temperature threshold value. Therefore, the air fryer has the advantage that the temperature control accuracy and stability of the air fryer are improved.

The invention belongs to the technical field of sputter deposition, and provides an automatic temperature control system and method for a sputter deposition device, and the system realizes the accurate control of the cavity temperature in the sputter deposition process by integrating components such as a vacuum gauge, a gas cylinder, a valve, a thermocouple temperature measurement element and a PID (Proportion Integration Differentiation) regulator. The system monitors the temperature of the cavity in real time by using the thermocouple, and automatically adjusts the power of the heating wire through the PID regulator according to the comparison result of a set value and an actual value, thereby maintaining the stability of the temperature of the cavity. In addition, the system has the function of communicating with an upper computer, remote monitoring and control can be carried out through a software layer, and the automation level and the temperature control precision of the sputtering deposition process are improved. The problems that in the prior art, temperature control precision is low, the automation degree is insufficient, and stability is poor are solved, through linkage control over the temperature, the vacuum degree and the gas flow, the consistency of film performance is guaranteed, and the method is suitable for large-scale production of high-precision films.

The invention discloses a micro-flow fluid medium flow temperature control system, a temperature control method and an electrolytic bath, and the system is characterized in that a multi-stage temperature control strategy is adopted on a fluid medium circulation loop, and a cooling device and double heaters are combined; the plurality of temperature measuring devices are respectively arranged at the outlet of the cooling device, the outlets of the double heaters and the inlet of the heated component; the system further comprises a PID controller, the PID controller is connected with the cooling device, the double heaters and the multiple temperature measuring devices, the PID controller adjusts power output of the heaters, the heat dissipation power and the heating power of outlets of the heaters and inlets of the heated parts are balanced, and the debugging efficiency and the system stability are improved.

The invention discloses an air-liquid temperature control device and method. The air-liquid temperature control device comprises a refrigerating unit, a controller, a first electronic expansion valve, a second electronic expansion valve group, a liquid cooling module and an air cooling module, the refrigerating unit is communicated with an inlet of the air cooling module through a first electronic expansion valve, is communicated with an inlet of the liquid cooling module through a second electronic expansion valve group, and is used for providing refrigerating power according to the requirement of a heat energy load; an outlet of the air cooling module and an outlet of the liquid cooling module are communicated with the refrigerating unit; the controller is connected with the first electronic expansion valve and the second electronic expansion valve set and used for controlling the opening degree of the first electronic expansion valve and / or the opening degree of the second electronic expansion valve set according to the requirement of the heat energy load so as to adjust the refrigerant flow of the air cooling module and / or the refrigerant flow of the liquid cooling module, and the energy consumption of the air-liquid temperature control device is reduced. And meanwhile, the integration level, the temperature control efficiency and the temperature control precision of the air-liquid temperature control device are improved, and the temperature uniformity of a plurality of heat energy loads is improved.

The utility model discloses a laser aging test channel board, comprising an MCU circuit, an LD driving circuit, an MPD detection circuit, an EA bias circuit, a TEC driving circuit, an RT bias circuit, a 5V-to-3. 3V power supply circuit, a power supply management circuit, an electronic switch circuit, a channel board output socket, and a channel board input socket used for accessing a power supply and an upper computer signal. According to the utility model, the MCU circuit, the LD driving circuit, the MPD detection circuit, the EA bias circuit, the TEC driving circuit, the RT bias circuit, the 5V-to-3. 3V power supply circuit, the power supply management circuit, the electronic switch circuit and the like are integrated, so that the channel board has higher integration level and expandability, and can dynamically adjust output aging data in real time according to acquired data; therefore, the purpose of improving the stability and the reliability is achieved.

The invention belongs to the technical field of temperature control, and particularly relates to a machine room temperature control method and system based on distributed optical fiber temperature sensing, and the method comprises the steps: collecting a first temperature set and a second temperature set through two or one distributed optical fiber sensing network which is disposed in a machine room or a machine room cooling unit and is used for the refrigerant outlets of an energy-using cabinet and a refrigerating cabinet; within the set unit time, the sum of the temperature rise of all the energy consumption cabinets and the sum of the temperature change of all the refrigerant outlets are calculated; and then, inputting the operation parameters into a control model constructed based on a heat energy balance principle, calculating to obtain the operation control parameters of the refrigeration equipment, and accurately adjusting the output according to the operation control parameters. High-precision and large-range direct temperature sensing is achieved through the DTS technology, and dynamic precise matching and energy saving of heat production and refrigeration of the machine room are achieved through the global temperature difference and the control strategy combining calculation and a physical model.

The application discloses a kind of optimization methods of soft printing machine center impression cylinder water cooling flow channel structure, step one, according to the actual structure parameter of cylinder, define the boundary condition of model, material attribute, initial condition, select fluid model and convergence algorithm, establish the finite element model of cylinder in combination with actual working condition, the geometric model is established;Step two, calculate the temperature distribution of cylinder section and the maximum temperature difference of cylinder surface axial, with the minimum temperature difference as the optimization goal, the inlet flow rate is optimized by single factor method;Under the optimal inlet flow rate, the flow channel structure is optimized by Taguchi method, and the flow channel structure parameters that minimize the axial temperature difference of the cylinder surface are selected as the optimization result;The application is based on finite element simulation method, considers the double action of oven heating and cooling water cooling on cylinder body, reduces the axial temperature difference of cylinder body surface as optimization index, optimizes the structure parameters of center impression cylinder cooling water flow channel, improves the uniformity of cylinder surface temperature.

This invention relates to the field of automatic temperature control technology and discloses an improved PID temperature control method, comprising the following steps: S1, setting the target temperature of the controlled object and acquiring the actual temperature of the controlled object in real time, dividing the working range into two stages based on the target temperature of the controlled object: a low-temperature range and a high-temperature range; S2, dividing the working state into two states: heating and cooling, based on the positive or negative error between the target temperature and the actual temperature of the controlled object; S3, matching different polynomial algorithms according to the working range of the controlled object and the current working state to obtain the corresponding proportional coefficient, integral time constant, and derivative time constant, thereby changing the output power of the temperature source. This invention shortens the time for the temperature to reach steady state, reduces the overshoot amplitude, and improves the temperature control accuracy. No additional temperature source is required, resulting in low cost. A single polynomial coefficient fitting calculation for the same product can be applied to all batches of products.

The invention relates to the technical field of semiconductor processing, solves the technical problems that in the prior art, a temperature control system is too high in energy consumption and low in temperature control accuracy, and particularly relates to a special ultra-precise three-stage heat exchange temperature control system for an integrated circuit. The micro-processing module is used for carrying out temperature control on circulating liquid, the circulating liquid system is used for carrying out high-precision temperature control on the circulating liquid in a three-stage heat exchange mode, and the circulating liquid system comprises a first-stage temperature control system, a second-stage temperature control system and a third-stage temperature control system. According to the temperature control device, first-level temperature control is carried out through factory service cooling water, then second-level temperature control is carried out through the heating wire, finally third-level temperature control is carried out through the precise heating wire, the temperature control precision can be increased to + / -0.01 DEG C in an echelon temperature control mode, the temperature precision is greatly improved, and the yield of products is increased.

The invention is suitable for the technical field of fluid mechanics experiments, and provides a Tesla valve visualization experiment device and method based on semiconductor heating and cooling, and the device comprises a Tesla valve heat dissipation plate, a fluid supply and vacuum system, a heating, cooling and temperature control module, a data acquisition and visualization module, a supporting and fixing module and a power supply module. A valve body structure formed by combining an acrylic plate and a copper plate engraved with a Tesla valve runner is matched with a high-precision high-speed camera, so that the real-time visual observation of the flowing state of fluid in the Tesla valve is realized. According to the invention, visualization of the Tesla valve flow channel experiment is realized, the flowing form of fluid in the Tesla valve flow channel can be clearly presented, the Tesla valve performance verification method is suitable for Tesla valve performance verification under different structure parameters, different fluid media and temperature conditions, and reliable experiment support is provided for structure optimization and application expansion of the Tesla valve.

The application provides an electric heating device for a strip steel heat treatment furnace, which comprises an electric heating radiation tube mechanism and an atmosphere protection cover mechanism, the electric heating radiation tube mechanism is horizontally suspended in the strip steel heat treatment furnace, one end of the electric heating radiation tube mechanism is fixed on a side wall of the strip steel heat treatment furnace, the end of the electric heating radiation tube mechanism is exposed to the strip steel heat treatment furnace, and the other end of the electric heating radiation tube mechanism extends into the strip steel heat treatment furnace, and the atmosphere protection cover mechanism covers the end of the electric heating radiation tube mechanism connected with the strip steel heat treatment furnace and is fixed on the wall of the strip steel heat treatment furnace, the electric heating device has the advantages of low cost, high temperature control precision, good energy-saving effect, long service life and low maintenance cost.

The invention discloses a cattle farm playground water trough anti-freezing temperature control system based on solar energy storage, and relates to the technical field of livestock breeding equipment, the cattle farm playground water trough anti-freezing temperature control system comprises a solar power generation module, an energy storage management module, a temperature control execution module and an intelligent control module, the solar power generation module is electrically connected with the energy storage management module and the temperature control execution module, and the intelligent control module is electrically connected with the energy storage management module. The energy storage management module is electrically connected with the temperature control execution module and the intelligent control module, and the temperature control execution module is in signal connection with the intelligent control module. Compared with an existing solar heating device lacking a stable energy storage system, the cattle farm playground water trough anti-freezing temperature control system based on solar energy storage stores electric energy through a solar storage battery of the energy storage management module, and the solar energy storage management module stores the electric energy at night or in a scene with insufficient illumination such as cloudy and rainy days; a storage battery power supply mode can be switched through the intelligent control module, continuous operation of the temperature control execution module is guaranteed, freezing of the water trough due to power supply interruption is avoided, and normal water drinking of cattle in winter is guaranteed.

The application provides a working condition prediction method and system fusing map and camera information, historical driving data of a time span of a vehicle, and camera data and map navigation data outside the vehicle are collected; a driver personalized feature working condition set is constructed; a multi-modal feature fusion working condition prediction model including an input layer, a multi-modal feature extraction layer, a feature fusion layer and an output layer is established based on a neural network; current real-time driving data of the vehicle, the camera data and the map navigation data outside the vehicle are input, and a real-time working condition feature index matrix is output through the multi-modal feature fusion working condition prediction model; the real-time working condition feature index matrix is input into the driver personalized feature working condition set, and the latest working condition prediction result is obtained. The application fuses historical driving data, vehicle-mounted camera visual information and vehicle-end navigation map information, realizes long-term and short-term time domain cooperation, multi-modal feature adaptive weighted fusion, fully utilizes multi-source information, and improves technical prediction accuracy and scene adaptability.

The invention relates to a temperature control method and device, warm air equipment, computer equipment and a storage medium. The temperature control method comprises the steps that image data of an air supply area is obtained; acquiring human body parts and part information in the air supply area based on the image data; and an air supply assembly is controlled to supply air to the air supply area according to the part information, so that the surface temperature of the human body part is adjusted to be a target temperature, and the target temperature corresponds to the human body part. According to the temperature control method, the human body parts and the part information in the air supply area of the heating equipment are recognized in real time, the air supply assembly of the heating equipment is controlled to supply air according to the human body parts and the part information, and the temperature control precision of the air supply assembly in the heating equipment can be effectively improved; and the surface temperature of the human body part in the air supply area is accurately adjusted, and more comfortable warm air experience is provided for a user.

The application discloses a hot-rolled strip coiling temperature control method and related equipment, and relates to the technical field of hot rolling. The method comprises the following steps: acquiring temperature data in the width direction of the strip; normalizing and polynomial fitting the temperature data to calculate a center point temperature value of the width of the strip; and adjusting the opening and closing state of a cooling zone valve based on the center point temperature value to control the coiling temperature of the strip. The application can more accurately reflect the actual temperature condition of the strip, effectively overcomes the problem that the traditional point-type pyrometer measurement is easily affected by the shape and surface of the strip and is distorted, and thus improves the mechanical properties and organizational properties of the strip and guarantees the product quality.

This utility model belongs to the field of tobacco curing technology and discloses an automatic feeder. The automatic feeder includes a casing, a hopper, a conveying trough, a conveying mechanism, and a control component. The casing includes a first chamber and a second chamber; the hopper is located on the top of the casing and communicates with the first chamber; the conveying trough is located on the side of the casing near the first chamber and communicates with the first chamber; the conveying mechanism includes a conveying component and a power component. The conveying component is located in the first chamber to convey fuel, and the power component is located in the second chamber and connected to the conveying component to drive the conveying component; the control component includes a controller and a curing barn controller, and the controller is communicatively connected to both the power component and the curing barn controller. In this application, the controller dynamically adjusts the power of the power component based on the curing barn temperature feedback from the curing barn controller, thereby controlling the fuel conveying speed, improving the temperature control accuracy and tobacco quality during tobacco curing, reducing manual labor intensity, and increasing tobacco curing efficiency.

The utility model discloses a coal gas pressure stabilizing control device for a blast furnace coal injection and pulverizing system. A waste gas pipeline is provided with a waste gas fan, a waste gas electric regulating valve, a waste gas flowmeter and a waste gas pressure transmitter; a coal mill inlet temperature thermal resistor and a coal mill inlet pressure transmitter are arranged on the outlet pipeline; a coal gas pressure transmitter, a coal gas flowmeter and a coal gas electric control valve are arranged on the coal gas pipeline, and an outlet temperature thermocouple and an outlet pressure transmitter are further arranged on the outlet pipeline; a waste gas carbon monoxide detector and a waste gas oxygen content detector are arranged on the waste gas pipeline; and a gas pneumatic quick switching valve, a gas electric blind plate valve, a gas electric butterfly valve and a carbon monoxide heat conduction type gas analyzer are arranged on the gas pipeline, and the number of the gas electric control valves is larger than or equal to two. According to the utility model, the gas regulating valve or the bypass pipeline three-valve group is additionally arranged, so that a monitoring instrument is perfected, and the gas flow and pressure are accurately controlled.