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142results about "Humidity control" patented technology

Low-voltage cable branch box convenient for heat dissipation

The invention relates to a low-voltage cable branch box convenient for heat dissipation, and belongs to the technical field of cable branch boxes, the low-voltage cable branch box comprises a box body, heat dissipation holes are formed in the box body, a sealing mechanism for sealing the heat dissipation holes is arranged on the box body, a water cooling mechanism is arranged on the box body, and a humidity sensor is arranged on the outer side of the box body; the control unit is configured to control opening and closing of the closing mechanism and start and stop of the water cooling mechanism according to a humidity signal detected by the humidity sensor; when the humidity exceeds a preset threshold value, the sealing mechanism seals the heat dissipation holes, and the water cooling mechanism is started; and when the humidity is within the preset range, the sealing mechanism opens the heat dissipation holes and the water cooling mechanism is closed. By arranging the humidity sensor and the control unit, automatic switching of the heat dissipation mode based on the environment humidity is achieved, and when the environment humidity is normal, the heat dissipation holes are opened for heat dissipation; and when the humidity exceeds a preset threshold value, a water cooling mode is adopted and the heat dissipation holes are closed, moisture invasion is blocked, the use safety of equipment is improved, and the service life of the equipment is prolonged.
Owner:卡雷迪电气(常州)有限公司

Humidity real-time control device for electrical cabinet

The utility model provides an electrical cabinet humidity real-time control device, which comprises an electrical cabinet and a controller, the humidity sensor is electrically connected with the controller and is used for detecting the air humidity in the electrical cabinet; the ionic membrane dehumidifier is arranged on the cabinet body wall of the electrical cabinet; the ionic membrane dehumidifier comprises an ionic membrane, a first electrode and a second electrode, and the first electrode and the second electrode are located inside and outside the electrical cabinet respectively; the controller is used for controlling the first electrode and the second electrode of the ionic membrane dehumidifier to be switched between the cathode and the anode. According to the utility model, the humidity value in the electrical cabinet can be detected in real time, and when the humidity value in the electrical cabinet is not within a set reasonable range, humidification and dehumidification can be realized by controlling polarity conversion of the two electrodes of the ionic membrane dehumidifier, so that the humidity in the electrical cabinet is adjusted to be within the set reasonable range; therefore, the normal use and the use safety of the electrical cabinet can be effectively ensured, and the service life of the electrical cabinet can be effectively prolonged.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Air freight nuclear track membrane humidity regulation and control fresh-keeping system and method

The invention discloses an air freight nuclear track membrane humidity regulation and control fresh-keeping system and method, and the system comprises a cargo hold / container module which is an airplane main cargo hold or a container meeting the aviation standard, and is used for accommodating cargoes to be kept fresh and forming a closed microenvironment; the nuclear track membrane regulation and control layer is arranged in a mode of covering the ventilation opening of the cargo hold / container module, being integrated in the side wall structure or forming an independent humidity regulation buffer cabin; the nuclear track membrane regulation and control layer is composed of at least one layer of nuclear track membrane, and the nuclear track membrane is of a micropore structure which is uniform in pore diameter height and is of a straight-through pore channel. By introducing the intelligent molecular sieve, namely the nuclear track membrane, the system realizes dynamic bidirectional accurate regulation and control on the humidity in the aviation confined space. Compared with a traditional passive moisture absorption or complete sealing scheme, the system has the advantages that excessive moisture causing corruption can be actively removed, meanwhile, water molecules can be captured from a relatively dry airborne environment for humidification, and the two problems of moisture condensation and excessive drying are fundamentally solved.
Owner:刁玉锋

Bridge temperature and humidity self-adaptive intelligent dehumidification method and system

The invention discloses a bridge temperature and humidity self-adaptive intelligent dehumidification method and system, and relates to the technical field of bridge cable dehumidification, and the method comprises the steps: building a temperature-humidity analysis system according to a temperature value detected outside a sling and a corresponding humidity value inside the sling; the environment temperature is monitored in real time according to the temperature value detected outside the sling; and the working load of the dehumidification system is adjusted according to the monitored temperature value in combination with a temperature-humidity analysis system. The system comprises a temperature-humidity analysis system, an environment temperature and humidity monitoring system and a dehumidification system. The temperature-humidity analysis system is used for building a temperature-humidity analysis system and outputting a temperature-humidity analysis result; the environment temperature and humidity monitoring system is used for monitoring temperature and humidity inside and outside the sling; and the dehumidification system is used for dehumidifying the interior of the sling. The load of the dehumidifier is pre-judged and controlled in advance by predicting the temperature, humidity and quantity of the environment flowing into the closed space, the humidity stability of the dehumidification space is improved, and energy consumption is reasonably shared.
Owner:JIANGSU CUMT DAZHENG SURFACE ENG TECH

Method and system for controlling moisture adding amount of loose tobacco

The embodiment of the present application provides a kind of tobacco loose moisture content control method and system, the method comprises: collecting tobacco characteristics for feature analysis, determine tobacco grade;Through moisture meter, the correlation data of different tobacco grades of tobacco is collected, the correction value of the moisture meter corresponding to different tobacco grades is determined, and the mapping relationship between tobacco grade and correction value is established;The arrival time axis of sheet tobacco to reach the moisture cylinder, the entering time axis of sheet tobacco to completely enter the moisture cylinder;Based on the arrival time axis, entering time axis and tobacco grade, generate tobacco grade time axis, and determine the change curve of correction value in combination with mapping relationship, and based on the change curve, the correction value of moisture meter at the inlet and outlet of moisture cylinder is dynamically adjusted.
Owner:HUBEI CHINA TOBACCO INDUSTRY CO LTD

Furnace nose humidification control method and related equipment

The invention discloses a furnace nose humidification control method and related equipment, and relates to the technical field of metallurgical process.The method comprises the steps that a real-time operation data set in the furnace nose humidification process is obtained, and the real-time operation data set comprises a total flow value, a humidification tank inlet flow value, a humidification tank bottom flow value, a pipeline temperature sequence and a furnace nose dew point parameter; according to the pipeline temperature sequence, the heating power of the pipeline heat tracing band and the heat preservation layer parameters of the pipeline heat preservation layer are adjusted; fusing the total flow value, the humidification tank inlet flow value, the humidification tank bottom flow value and the furnace nose dew point parameter through a preset flow feedback compensation model to obtain a multi-valve cooperative control instruction; and in response to the multi-valve cooperative control instruction, the total flow value, the humidification tank inlet flow value and the humidification tank bottom flow value are adjusted through the valves. By means of multi-parameter data fusion, temperature control compensation and multi-valve linkage adjustment, high-precision and high-robustness stable control of the furnace nose humidifying process under the complex working condition can be achieved.
Owner:BEIJING SHOUGANG COLD ROLLED SHEET

Method and system for automatic water supply and humidity maintenance control of cloud chamber cylinder inner wall

ActiveCN121433363BAchieve long-term stability and maintenanceImprove reliabilityHumidity controlAtmospheric sciencesHumidity
The present application relates to the technical field of cloud chamber environment control, and provides a cloud chamber column inner wall automatic water supply and humidity maintenance control method and system. The method comprises the following steps: acquiring the current humidity distribution state and airflow disturbance information of the inner wall, dividing the humidity management area, predicting the future humidity demand, generating a differentiated water supply control instruction and executing the water supply operation. The present application realizes accurate prediction of the humidity change trend of each area, optimizes the allocation of water supply resources, ensures the balanced and stable humidity of the inner wall of the cloud chamber, and improves the operation efficiency and environmental stability of the cloud chamber system.
Owner:BEIJING HOULIDE INSTR CO LTD

Humidity control method, device, equipment and storage medium of steam cooking equipment

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.
Owner:QINGDAO HAIER WISDOM KITCHEN APPLIANCE CO LTD +1

Apparatus for roasting coffee beans

Apparatus (1) for roasting coffee beans, the apparatus comprising: a roast chamber (19) in which a supply of coffee beans can be received for roasting; a heater (17) for heating air; a fan (21) for passing heated air through the roast chamber (19) to roast coffee beans received therein; a humidity sensor (31) operable to provide signals that are representative of the humidity of the heated air that has passed through the roast chamber (19); a temperature sensor (29) operable to provide signals that are representative of the air temperature within the roast chamber (19), and a control system (27) operable to control the apparatus (1), wherein said control system (27) is operable to determine that first crack has occurred in response to signals from said humidity sensor (31) and said temperature sensor (29).
Owner:IKAWA

Predictive control system for climate control within defined space

The present disclosure relates to a control system for climate control within a defined space using an air treatment device (400). The multi-signal controller (300) comprises a feed-forward component (301) arranged for adaptively adjusting the adsorption capacity within the defined space due to climate effects from outside the defined space and arranged to determine a first control signal value (315) for use in controlling the air treatment device, where the first control signal value (315) corresponds to the first control signal value (315) and the second control signal value (315) corresponds to the first control signal value (315). The feed-forward component (301) is arranged to determine a first control signal value based on sorption capacity sensor data (3021) and / or temperature sensor data (3031) and / or pressure sensor data (3041), said sensor data originating from at least one sensor (302, 303, 304) located outside the defined space (101).
Owner:MUNTERS EUROPE ACTIEBOLAG

Wrapper production line

The invention relates to the technical field of wrapper production, and discloses a wrapper production line which comprises a rack, a conveying mechanism, a humidity control device and an edge cutting device, the humidity control device is used for solving the problem that the local part of the wrapper is too dry or too wet; the humidity control device comprises a multi-sensor array which is arranged below the conveying mechanism and is used for monitoring the humidity and the flow speed of the wrapper in real time, an air blowing device for blowing dry airflow to the too wet local area of the wrapper, and a humidifying device for spraying water mist to the too dry local area of the wrapper; the edge cutting device is used for solving the problems of edge cutting sawteeth and wrapper deformation and comprises a servo motor used for driving a rotary circular knife to conduct cutting operation and an edge material recycling baffle used for stopping discharging of cut leftover materials. According to the device, the humidity of wrappers can be monitored through the sensors and adjusted through the corresponding devices, local over-dry and over-wet conditions are avoided, precise edge cutting and leftover material recycling can be achieved, all the devices work cooperatively, and the quality stability and the production efficiency of the wrappers are improved.
Owner:GUANGZHOU RESTAURANT GRP LIKOUFU (XIANGTAN) FOOD CO LTD +1

System for adjusting humidity levels within an environment

An indoor air quality system is configured to improve indoor air quality conditions within a local environment of a building. The indoor air quality system operates according to a method that includes obtaining indoor air levels and operating one or more appliances to adjust the indoor air levels. The system includes one or more monitoring devices.
Owner:OVERTURE JV LLC

A humidity detection control system and a detection control method

The present application relates to the technical field of humidity detection, and specifically relates to a humidity detection control system and a detection control method. The system comprises: a humidity detection unit, which is provided with multiple humidity detection units and is uniformly arranged at each detection point in the room to detect the humidity at different positions in the room; a dehumidification device, which is provided with an angle control device and can control the direction according to the position of the humidity detection unit at different detection points; the dehumidification device can control different dehumidification powers according to the humidity detection condition; and a central control unit, which communicates with the humidity detection unit and the dehumidification device wirelessly, can control the direction of the dehumidification port of the dehumidification device and the dehumidification device according to the humidity detected by the humidity detection unit at different detection points. The present application can realize accurate dehumidification and reduce the loss of electric energy.
Owner:GUANGZHOU HAIGU ELECTRONICS TECH +1

Load control device for controlling an electrical load in response to sense an environmental characteristic

A control device may be configured to control an electrical load (e.g., an exhaust fan) for controlling an environmental characteristic (e.g., a humidity level) in a space. The control device an actuator received in an opening in a front surface of a bezel, which may comprise first and second side portions on each side of the actuator. The control device may comprise an environmental sensing circuit for sensing the environmental characteristic in the space, and a control circuit configured to control the electrical load in response to actuations of the actuator and / or the environmental sensing circuit. The bezel may comprise a ventilation portion on the first or second side portion of the front surface. The ventilation portion may have apertures extending from the front surface to a cavity in the bezel. The environmental sensing circuit may be configured to receive air from outside of the bezel via the cavity.
Owner:LUTRON TECHNOLOGY COMPANY LLC

Temperature control device for a cubic press

ActiveCN121244087Breduce lossGuaranteed temperature stabilityUltra-high pressure processesHumidity control
The present application relates to the technical field of auxiliary structure of cubic press, in particular to a temperature control device of cubic press, which is applied to cubic press, and the cubic press comprises six top hammers, each of which is provided with small and large pads, and a steel ring is detachably sleeved on the top hammer, the small and large pads and the top hammer; the temperature control device of cubic press comprises a cooling liquid pipe, each top hammer is provided with a cooling liquid pipe, both ends of the cooling liquid pipe pass through the small pad, and the cooling liquid pipe is detachably arranged on the steel ring, the cooling liquid pipe is configured to receive external cold liquid, thereby breaking through the heat transfer bottleneck of traditional indirect cooling of steel ring, so that the heat of the top hammer can be directly radiated through the cooling liquid pipe, while significantly reducing the interface thermal resistance and material thermal conductivity loss in the heat conduction path, the temperature stability of the superhard material synthesis process is ensured, and the synthesis efficiency and product quality are improved.
Owner:HUNAN TIME DIAMOND TECH CO LTD

10kV ring main unit self-adaptive condensation eliminating device and humidity control method

The invention belongs to the technical field of temperature and humidity control of power equipment, and particularly relates to a 10kV ring main unit self-adaptive condensation eliminating device and a humidity control method. The device comprises five modules: a power supply module uses solar energy and a control PT to control dual power supply to guarantee continuous power supply, a state detection module collects temperature, humidity and safety signals in a cabinet, a dehumidification execution module processes and discharges condensed water, a control module overall plans dehumidification start and stop and power supply switching, and a remote monitoring module supports data viewing and abnormity alarm. The control method comprises the following five steps: firstly, collecting data according to a dynamic sampling period, setting control for 5 minutes in rainfall or strong wind, calculating according to information entropy in other conditions, and filtering the data; combining historical data of federal learning processing, and using a control LSTM to control and an attention model to judge the condensation risk; then switching power supply, starting and stopping dehumidification and combining the aging state of the element; then carrying out transfer learning to judge result transmission data; and finally, according to a cabinet body structure coefficient adjustment strategy, condensation elimination and monitoring are realized, and energy consumption and standard reaching time are optimized.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO PINGDU POWER SUPPLY CO

Ring main unit with condensation dehumidification structure and dehumidification method thereof

The invention discloses a ring main unit with a condensation dehumidification structure and a dehumidification method thereof, and particularly relates to the field of ring main units, the ring main unit comprises a ring main unit body, the rear side of the ring main unit body is provided with a pair of temperature and humidity control mechanisms arranged left and right, and each temperature and humidity control mechanism comprises a dehumidification cylinder fixedly communicated with the rear side of the ring main unit body. And an exhaust fan is fixedly installed in the dehumidification cylinder, and a square pipe is fixedly connected to the rear side of the dehumidification cylinder. A refrigerated water source flows in the first concentric-circle-shaped refrigeration pipe, the temperature of the condensation block is rapidly lowered, then the temperature of the condensation piece is lowered, meanwhile, the exhaust fan is started through an external power source, the exhaust fan guides humid and hot air in the ring main unit body outwards, and when the humid and hot air makes contact with the surface of the low-temperature condensation piece, the temperature of the condensation piece is lowered. Moisture in the air is condensed into water on the surfaces of the condensation sheets and slides down. The internal humidity of the ring main unit is adjusted, and equipment in the ring main unit is prevented from malfunctioning due to dampness.
Owner:CHUANLI ELECTRIC CO LTD

Sample gas constant humidity device and sample gas constant humidity method

The present application belongs to the field of environmental detection, and particularly relates to a sample gas constant humidity device and a sample gas constant humidity method, which comprises a water storage tank and a condensing device; the water storage tank is provided with a first air inlet and a first air outlet; the condensing device is provided with a second air inlet and a second air outlet; the first air outlet and the second air inlet are connected through an air pipe; the second air outlet is provided with an air outlet pipe; an opening is arranged on the side wall of the air outlet pipe; a sub-pipe is embedded in the air outlet pipe; the sub-pipe is provided with an adapter; and the adapter extends out of the air outlet pipe from the opening. The present application adopts a water circulation design, thereby avoiding the problem of frequent replacement of parts. By adopting a PLC control unit, the condensing device, a temperature sensor, a humidity sensor and the sub-pipe form a closed closed loop with negative feedback adjustment, so that the sample gas can be kept in a constant humidity state. Air is used as the gas source, thereby avoiding the use of fixed dry gas source and reducing the cost.
Owner:GUANGZHOU MINGQIN ENVIRONMENTAL PROTECTION TECH

Dehumidification device of high-voltage frequency converter and high-voltage frequency conversion cabinet

The invention discloses a dehumidification device of a high-voltage frequency converter and a high-voltage frequency conversion cabinet. The device comprises a dehumidification controller, a first switch, a first relay, a second relay and a dehumidifier. One end of the first switch is connected with a first alternating-current power supply, the other end of the first switch is connected into the first relay coil through the dehumidification controller, and the other end of the first relay coil is connected into the first alternating-current power supply. The dehumidification controller is responsible for monitoring the humidity in the frequency conversion cabinet, and when the humidity exceeds a preset threshold value, the loop where the dehumidification controller is located is automatically switched on. One end of a normally open contact of the first relay is connected with a first alternating current power supply, the other end of the normally open contact is connected into a second relay coil, and the normally open contact is conducted after the first relay coil is electrified to supply power to the second relay coil. And a normally open contact of the second relay is connected in series between the power supply end of the dehumidifier and the external alternating current power supply, and when the contact is switched on, the dehumidifier is electrified to operate, so that the high-voltage frequency conversion cabinet is dehumidified. According to the scheme, the dehumidification effect on the high-voltage frequency converter can be improved.
Owner:SHENHUA GUOHUA JIUJIANG POWER GENERATION CO LTD +1

Electronic humidity adjusting method and system for yarn processing

The invention provides an electronic humidity adjusting method and system for yarn processing, and the method comprises the steps: S1, capturing a state switching instruction of process equipment in a production line, and taking the state switching instruction as a starting signal of a humidity control time sequence; s2, acquiring data of a plurality of humidity sensors in spatial discrete distribution in real time, and starting a group consensus arbitration mechanism to output an arbitration humidity value when the data dispersion of the humidity sensors exceeds a tolerance threshold value; s3, on the basis of the difference value between the current humidity value and the target humidity value, a progressive set value sequence is generated through a transition function; and S4, driving the humidity equipment to operate on the basis of the progressive set value sequence. Through cooperative operation of process state automatic sensing, distributed humidity accurate monitoring, gradual set value smooth transition and equipment dynamic correction, the problems that traditional manual adjustment is delayed, static setting adaptability is poor, and humidity abrupt change and detection data are unreliable are solved.
Owner:NANTONG TONGZHOU EXCELLE TEXTILE CO LTD

Moisture-proof dehumidification control system, method, equipment and medium

The invention relates to the technical field of moisture prevention and dehumidification, in particular to a moisture prevention and dehumidification system, method, equipment and medium, which comprises a dehumidification cabinet made of a multi-layer composite structure consisting of a gypsum inner wall, a moisture prevention layer and a fiberboard; the monitoring unit is arranged in the moisture-proof cabinet and used for monitoring pressure fluctuation and temperature in the electroosmosis drying medium; and the intelligent main control unit is connected with the monitoring unit and is configured to dynamically output a control instruction to adjust at least one of the ventilation quantity, the electroosmosis drying electric field intensity or the heating power of the damp-proof layer. The intelligent dehumidification cabinet has the beneficial effects that through cooperative work of the dehumidification cabinet of the multi-layer composite structure, the monitoring unit and the intelligent main control unit, precise control over the environment in the cabinet is achieved.
Owner:HAINAN POWER GRID CO LTD

Method for regulating and controlling humidity of granary

The invention discloses a granary humidity regulation and control method, and relates to the technical field of grain safety, and the method comprises the steps: collecting the internal environment parameters of a target granary in real time; determining a grain pile temperature anomaly coefficient based on the spatial distribution characteristics of the grain pile temperature time sequence data; judging whether the grain pile temperature is in an abnormal state or not according to the grain pile temperature abnormal coefficient; determining an abnormal coefficient of humidity in the warehouse based on the time characteristics of the air humidity time sequence data; judging whether the humidity in the warehouse is in an abnormal state or not according to the abnormal coefficient of the humidity in the warehouse; if the grain pile temperature and the humidity in the granary are both in the abnormal state, the influence degree of the humidity abnormity in the target granary on the grain pile temperature abnormity is determined according to the grain pile temperature time sequence data and the air humidity time sequence data; and regulating and controlling the humidity of the target granary according to the influence degree. According to the invention, the accuracy of risk management in the granary is improved.
Owner:NANJING UNIV OF FINANCE & ECONOMICS

Humidity control method and device, electronic equipment and computer readable storage medium

The invention discloses a humidity control method and device, electronic equipment and a computer readable storage medium. On the basis of a multi-modal large model, the method is applied to a humidity control model integrating a plurality of sub-models. Multi-modal input data can be fused to obtain a structured process parameter set, and a plurality of sub-prediction humidity is generated by using a plurality of sub-models according to the process parameter set. And based on the empirical parameters and the sub-predicted humidity, automatically optimizing to obtain recommended humidity so as to adjust the humidity of the tentering setting machine. Real-time and accurate humidity control can still be realized in a changeable production environment, and the product quality and the production efficiency are improved.
Owner:XINAO SHUNENG TECH CO LTD

Air duct switching device based on water-free constant humidity machine

The invention relates to the field of air duct switching, and discloses an air duct switching device based on a water-free constant humidity machine, the air duct switching device comprises a machine body and a water vapor electrolysis sheet movably connected in the machine body, the water vapor electrolysis sheet divides the interior of the machine body into a humidifying cavity and a dehumidifying cavity, and air ports are formed in the periphery of the machine body; a switching assembly used for achieving air duct switching is arranged on the periphery of the machine body, the switching assembly comprises a shell connected to the periphery of the machine body through bolts, a stepping motor is fixedly connected to the interior of the shell, the output end of the stepping motor is fixedly connected with a lead screw, and the exterior of the lead screw is in spiral transmission connection with a switching block; by switching the flowing path of air in the showcase, on the basis of using the minimum specification and using amount, the functions of dehumidification and humidification are achieved in the showcase, on the basis of not influencing the humidification and dehumidification performance, the using amount of the water vapor electrolysis module is reduced in a multiplied mode, the design size and size of a product are reduced, and the requirement for large-scale application is met.
Owner:SHENZHEN HUATO SYST CO LTD

A large temperature range humidity conditioning system with a pressure water compensation circuit

The application discloses a large-temperature-range humidity adjusting system with a pressure water compensation circuit, which comprises a water supply system, a pressure compensation pipeline, a multi-way component, a gas-liquid sample multi-way component, an evaporation saturation temperature control system and a water storage tank. The pressure compensation pipeline is connected with the input end of the evaporation saturation temperature control system through the multi-way component and the gas-liquid sample multi-way component and the output end of the evaporation saturation temperature control system is connected with the pressure compensation end of the water supply system. The output end of the evaporation saturation temperature control system is communicated with the gas phase interval in the water storage tank in the water supply system through a pipeline. The passive bubbling evaporation saturation mode is changed into forced active mixed evaporation in the porous medium, the evaporation in each temperature range is strengthened and stabilized, the evaporation saturation area is separated from the water storage tank, the size of the evaporation saturation area is minimized, the temperature control difficulty is reduced, the temperature control precision is improved, and the external water tank is supplemented with water without disturbing the temperature stability of the evaporation area.
Owner:SUZHOU ALOS ENVIRONMENTAL GENERATOR CO LTD

Method and system for controlling air humidity in test box

The invention provides a method and a system for controlling air humidity in a test box. The method comprises the following steps: determining water vapor flow required in a test box to be treated according to a target humidity parameter and dry air flow; the heating capacity of a preheater is adjusted, and water to be used entering a humidifying water tank is preheated based on the water inlet temperature and the outlet temperature of the preheater, so that the temperature of the water to be used reaches a first specified temperature; based on the water level line in the humidifying water tank, the water amount in the humidifying water tank is controlled; and on the basis of a feedforward compensation strategy, the thermal power of the electric heating pipe is adjusted, so that water in the humidifying water tank generates water vapor, and the generated water vapor is mixed into dry air in the air inlet pipe so as to carry out continuous humidifying treatment on the to-be-treated test box. According to the invention, the water vapor and the dry air to be humidified are directly mixed, so that a more effective and more accurate humidification treatment process in a supergravity environment is realized.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

Control method for blast furnace atmospheric humidity automatic calculation and multi-furnace data linkage sharing

PendingCN121575173ABlast furnace detailsHumidity controlData acquisitionControl system architecture
The invention belongs to the technical field of blast furnace control in the metallurgical industry, and particularly relates to a blast furnace atmospheric humidity automatic calculation and multi-furnace data linkage sharing control method which comprises the following specific steps: S1, hardware equipment installation: S1.1, a temperature and humidity instrument; s1.2, signal access is carried out; s2, constructing a control system; S2.1, determining a data basis and a calculation method: (1) a data source; (2) constructing a regression equation; (3) calculating atmospheric humidity; s2.2, constructing a control system architecture: (1) a regression calculation module; (2) an atmospheric humidity calculation module; (3) a data transmission module; s3, data sharing and control: S3.1, receiving and processing by a secondary system; and S3.2, issuing the data. According to the method, automatic acquisition, calculation, transmission and updating of atmospheric humidity data are realized, links of manual table lookup, interpolation, input and the like are completely omitted, the data acquisition efficiency is greatly improved, a blast furnace control system can timely adjust blast furnace air supply parameters according to real-time data, the blast furnace parameters are accurately and timely controlled, and the production efficiency is improved.
Owner:SHANXI TAIGANG STAINLESS STEEL CO LTD

Constant humidity control module

The invention belongs to the field of constant humidity control, and particularly relates to a constant humidity control module. The semiconductor refrigeration and dehumidification assembly is arranged in the shell, the semiconductor refrigeration and dehumidification assembly comprises a semiconductor cold and hot sheet, a water storage and condensate water collection water tank, a heat conduction aluminum plate and a heat dissipation fan, the refrigeration face of the semiconductor refrigeration sheet is attached to the heat conduction aluminum plate, and a condensate water collection groove is formed below the heat conduction aluminum plate; the heat dissipation fan is arranged corresponding to the heating surface of the semiconductor cold and hot sheet; the water storage assembly is provided with a water storage cavity and a humidity balance cavity, and the water storage cavity is provided with a water inlet connector and a water level display window; the air supply assembly comprises a draught fan, a stepping motor or an electromagnetic valve and an air supply channel, the dual functions of semiconductor refrigeration and dehumidification and accurate humidification are integrated, the intelligent control unit and a PID adjusting algorithm are introduced, and the working modes can be rapidly, accurately and automatically switched according to real-time data fed back by the environment sensing unit.
Owner:GUANGDONG SHUNDE OFA ELECTRIC APPLIANCES CO LTD