3483 results about "Air temperature" patented technology

The invention relates to the field of grain drying, and discloses a grain drying energy-saving control system based on intelligent optimization, which comprises the following steps: after warehousing grains are detected, judging whether the water content of the grains exceeds a preset safety threshold value or not by collecting the initial water content of the grains and environment temperature and humidity information; according to the grain moisture content, the grain size distribution and the current environment condition, a multi-section type moisture change trend model fitting the drying process is constructed, and the decrease rate of the grain moisture content and the drying curve form in the future stage are predicted; analyzing the deviation value between the water content change slope and the target drying rate in the prediction curve; judging whether an adjustment potential exists or not by modeling a response relationship among the current hot air temperature, wind speed, heat source power and water content change; and according to the heat energy use analysis result, control instructions of hot air temperature, air speed and air supply modes are automatically generated. The self-adaptive energy-saving grain dryer has the advantage that the self-adaptive capacity and the energy-saving effect in the grain drying process are improved.

The invention relates to the technical field of intelligent regulation and control, in particular to a method for predicting and adjusting the moisture content of raw materials for shaving board production. According to the method, the raw material drying section disturbance parameter set and the moisture content detection sequence record in the shaving board production process are obtained, symbol matching, amplitude sorting and disturbance direction and influence intensity marking are carried out in combination with the prediction sequence and the disturbance characteristic sequence, so that the raw material moisture content prediction has the dynamic trend judgment capability; tracing correlation can be carried out on a disturbance source, prediction sequence amplitude adjustment is carried out through a disturbance direction and an amplitude mark, prediction correction of disturbance response and trend inversion abnormal point detection are achieved, and meanwhile local residual analysis is introduced to construct a trend residual sorting table; the abnormal inflection point is taken as the core to carry out weight sorting of the correction result and guide scaling and direction adjustment of the moisture content correction trend, and finally, adjustment instructions of the hot air temperature, the heating source power and the drying channel humidity are generated according to the deviation degree of the prediction result and the target set value.

The invention belongs to the technical field of material and coating corrosion tests, and relates to a whole sea area atmospheric environment comprehensive simulation test system, which adopts an integrated structural design, and performs integrated coupling of various environmental test simulation capabilities on the basis of a single-function test box. The device has the test capabilities of metal material corrosion acceleration test, organic composite material and coating aging evaluation and the like, can simulate the global marine atmospheric environment and coupling of multiple factors such as air temperature, humidity, salt mist and ultraviolet irradiation, can perform comprehensive test evaluation on the whole-sea-area marine atmospheric environment of typical materials, avoids the problem of inconvenient operation of corrosion tests, and has a wide application prospect. The device can be used for corrosion and ultraviolet aging tests of conventional marine atmospheric environment corrosion media, polar regions, tropical regions and other extreme marine atmospheric environments, and material corrosion tests for simulating marine splash zones, tidal range zones and the like. The device is simple in structure and convenient to operate, and coupling of multiple factors of high and low temperature, humidity, salt mist, ultraviolet illumination and periodic infiltration can be achieved.

The invention discloses a cold region SWAT model construction method considering a glacier melting process. A calculation method comprises the following steps: step 1, obtaining corrected rainfall data; corrected air temperature data are obtained; evapotranspiration correction data is obtained; actually measured runoff is obtained; 2, obtaining a plurality of sub-basin boundaries and spatial distribution of each sub-basin glacier; 3, calculating the glacier melting amount of each sub-drainage basin in the research time period by adopting a day-to-day factor method to obtain the day-by-day glacier melting amount of each sub-drainage basin; step 4, performing double-element parameter calibration based on the actually measured runoff data and the evapotranspiration correction data to obtain parameters suitable for the watershed hydrological process; and 5, calculating to obtain the relative contribution rate of the glacier melting process to runoff and evapotranspiration. The simulation precision of hydrological elements such as runoff of the cold region hydrological model is improved, and a scientific basis can be provided for sustainable utilization and planning of water resources of a local drainage basin.

The intelligent control method comprises the steps that a plurality of sensors and frequency converters are installed and used for monitoring the air temperature and humidity, the moisture content and the front-back pressure difference of a fresh air filter in real time; regulating and controlling the rotating speed of an air feeder, the rotating speed of a regeneration fan and the rotating speed of a rotating wheel through a frequency converter, obtaining sensor data under corresponding rotating speeds, and establishing an air supply quantity model, a fresh air quantity model and a rotating wheel dehumidification quantity model; the power of an air feeder, the front-back pressure difference of a fresh air filter and air parameter data are collected in real time, and the current dehumidification load is calculated according to a fan air supply amount model, a fresh air amount model and a preset formula; and selecting a preset control strategy to dynamically adjust the rotating speed of the rotating wheel, the rotating speed of the regeneration fan and the regeneration temperature according to the current dehumidification load and / or the rotating wheel dehumidification amount model so as to realize indoor humidity control. Start and stop can be automatically controlled and the dehumidification amount can be matched according to the actual wet load, excessive dehumidification or idle work is avoided, and the dehumidification efficiency is improved through multi-parameter cooperative control.

The invention relates to the technical field of cold-chain commodity transportation, in particular to a temperature monitoring and control method in a cold-chain commodity transportation process, which comprises the following steps: acquiring real-time temperature data, and generating a thermal response digital file of a cold-chain commodity according to the real-time temperature data and a cold-chain commodity category database; real-time positions and external air temperature data of the cold chain commodities are collected, and a temperature threshold value of the next time period is predicted according to the heat capacity characteristic parameters reflected by the thermal response digital archive; a three-dimensional temperature field distribution diagram is constructed based on the temperature threshold value of the next time period and the vibration data of the compartment where the cold-chain commodities are located; generating a control instruction according to the coordinates of the temperature anomaly region in the three-dimensional temperature field distribution diagram; after the control weight coefficient is calculated according to the control instruction and the preset energy consumption optimization objective function, the temperature control operation is executed according to the control weight coefficient and the control instruction, and balance temperature monitoring and control and energy consumption optimization are effectively achieved.

The invention discloses a spray drying device for boron carbide production, the spray drying device comprises a spray drying tower, a hot blast stove, a cyclone separator and a system controller, an atomizer and an online detection module are arranged in the spray drying tower, and the online detection module is used for monitoring temperature parameters in the spray drying process; comprising a first temperature sensor, a second temperature sensor and a temperature signal processing unit, the temperature signal processing unit adopts a multi-stage filtering and error compensation technology, noise and interference are effectively suppressed, and the accuracy of detection data is ensured. The air inlet temperature and the air outlet temperature are monitored in real time through the online detection module, the fuzzy-PID control algorithm is combined, the temperature control precision and the response speed are remarkably improved, and temperature fluctuation is reduced. The device dynamically adjusts the heating power of the hot blast stove according to real-time working conditions, the energy utilization efficiency is optimized, and the energy consumption is reduced.

The embodiment of the invention discloses a water-gas interface greenhouse gas flux automatic monitoring system and a distribution prediction method. The system comprises a wind speed sensor and an air pressure and temperature sensor which are respectively used for collecting the wind speed of air at a monitoring point, the atmospheric pressure and the Kelvin air temperature; the infrared sensor is used for collecting the content of CO2, CH4 and N2O in the air of the monitoring point; the acidity sensor and the temperature sensor are respectively used for collecting the pH value and the centigrade water temperature of monitoring point water; the carbon dioxide sensor is used for collecting the concentration of bicarbonate in water at a monitoring point; the methane sensor and the nitrous oxide sensor are respectively used for collecting the contents of greenhouse gases CH4 and N2O dissolved in the monitoring point water; and the calculation module is used for calculating the flux of the greenhouse gas on the water-gas interface. According to the embodiment of the invention, the water-gas interface flux of various greenhouse gases under actual conditions can be accurately monitored.

The invention discloses a temperature prediction method based on a graph neural network and a related device, and belongs to the technical field of cloud computing system data center thermal management, and the method comprises the steps: S1, collecting simulation environment basic information, and building a simulation model and simulation data of a data center machine room; s2, expanding the simulation data to obtain generated data, and merging the simulation data and the generated data to form a mixed data set; s3, constructing a graph topological structure of the data center machine room and a thermal prediction model of the data center machine room, and training the thermal prediction model of the data center machine room to obtain a trained thermal prediction model of the data center machine room; and S4, deploying the trained data center machine room heat prediction model to the data center, and inputting the real-time server power, the air conditioner set temperature and the indoor temperature into the trained data center machine room heat prediction model to obtain the server return air temperature. Not only can a complex heat transfer rule be captured, but also different space structures and dynamic changes can be adapted.

The invention discloses an automatic driving evaluation system based on artificial intelligence, and relates to the technical field of automatic driving, and the system comprises the following components: a meteorological model coupling module, a sensor parameter adjustment module, an automatic driving simulation module and an evaluation analysis module. According to the invention, data connection is established between the meteorological model coupling module and an external meteorological model, comprehensive meteorological data including temperature, humidity, wind speed, rainfall, snowfall, visibility and the like are acquired in real time, and a simulated extreme weather scene is constructed based on the data. The sensor parameter adjusting module automatically adjusts performance parameters of a vehicle sensor according to different weather types to ensure the accuracy of sensor data under extreme weather conditions, and the automatic driving simulation module operates an automatic driving system model in a simulated extreme weather scene to simulate the vehicle driving process.

The utility model discloses a cooling air cooling system for glass tempering. The cooling air cooling system comprises a heat exchange air bellow, a primary heat exchanger and a secondary heat exchanger, an input port of the heat exchange air bellow is used for communicating with an output port of the fan, and an output port of the heat exchange air bellow is used for communicating with a cooling air input port of the air grid quenching section; the first-stage heat exchanger and the second-stage heat exchanger are installed in the heat exchange air box, the first-stage heat exchanger is close to an input port of the heat exchange air box, and the second-stage heat exchanger is close to an output port of the heat exchange air box. The temperature of the refrigerant circularly flowing in the second-stage heat exchanger is lower than the room temperature and lower than the temperature of the cooling water circularly flowing in the first-stage heat exchanger; the first-stage heat exchanger and the second-stage heat exchanger are used for exchanging heat with cooling air input into the heat exchange air box and making the temperature of the cooling air output by the heat exchange air box lower than a set temperature threshold value, and the temperature threshold value is not higher than the room temperature. Through heat exchange, the temperature of cooling air output by the heat exchange air box is lower than the room temperature.

The invention provides a sea fog forecasting method, medium and system based on ocean station observation data, and belongs to the technical field of electrical digital data processing, and the method comprises the steps: firstly, obtaining years of continuous hydro meteorological observation data of an observation station, including air temperature, dew point temperature, seawater temperature, wind direction and wind speed and other data; performing multi-scale decomposition through wavelet transform to obtain variable components of different time scales; then, forecasting factors including temperature difference, stability index and the like are calculated, and layered Fisher discriminant analysis is carried out according to seasons and weather system types. A polynomial discrimination equation set is established by calculating a weight coefficient, and a discrimination critical value is determined by combining a probability density function, so that whether the weather is foggy or not is judged. And finally, verifying by adopting a three-level inspection system, and constructing a complete forecast product release system including the strength grade of fog, the space-time evolution and the like, thereby realizing the accurate forecast of the sea fog. The technical problem that the accuracy of a traditional forecasting method fluctuates greatly under different conditions is solved.

The invention provides a low-grade waste heat recovery heat pump load matching control method and system, and relates to the technical field of waste heat recovery. The method comprises the steps that boiler operation parameters are obtained; identifying the change trend of the boiler load, and predicting the change direction and amplitude of the boiler load according to the change trend; determining an expected demand quantity and a target temperature interval of the boiler for the preheated air; generating a pre-regulation frequency instruction of the heat pump inverter compressor; and according to the temperature deviation between the heat pump preheated air outlet temperature and the target temperature interval, the pre-adjusting frequency instruction is corrected, a final frequency instruction is obtained, and a heat pump inverter compressor is controlled to operate. The method aims at solving the problem of response lag of existing single temperature feedback control, it is ensured that the preheating air temperature is stably maintained in the optimal combustion interval of the boiler, meanwhile, the energy efficiency of a heat pump system is optimized, abrasion of key components is reduced, and accurate and cooperative matching of the heating capacity of the heat pump and the preheating requirement of combustion air of the boiler is achieved.

The invention relates to the technical field of electric energy meters, in particular to an intelligent electric energy meter with a power saving function. A communication module; the power supply module generates power according to the temperature difference between the surface temperature of the electric energy meter chip and the air temperature in the electric energy meter so as to provide electric energy for the communication module; and the control module is used for respectively adjusting the monitoring sampling mode of the detection module from a low-frequency sampling mode to a low-frequency full-frequency composite sampling mode according to the fluctuation ratio of the electrical load, and adjusting the data transmission mode of the communication module from a periodic transmission mode to an encrypted transmission mode based on the power generation voltage ripple of the power supply module. The signal transmission frequency band of the communication module is adjusted to be a low frequency band; wherein the alternating transmission frequency of single transmission of the periodic transmission mode is determined according to the average power generation voltage of the power supply module. The working stability of the electric energy meter is improved.

The invention relates to a medium and long term provincial domain load time sequence scene generation method and system considering accumulated temperature effect under the drive of meteorological data, and belongs to the technical field of power system engineering. In a weather sensitive season, the weather sensitive season is divided into a basic load part and a weather sensitive load part by adopting a load decomposition theory, peak values of the basic load and the weather sensitive load are estimated by utilizing a multivariable gray system model, and the proportion of the weather sensitive load is estimated by combining an air temperature cumulative effect correction model and a CNN-BiLSTM-Attention model of weather data; the load of the weather sensitive season is obtained; meanwhile, a non-meteorological sensitive seasonal load is generated. And finally, combining the meteorological sensitive load with the non-meteorological sensitive load to obtain a provincial load scene. According to the seasonal discussion load scene generation method, the relevance between the load and the economic population index and the meteorological data is improved, and the generated scene has high credibility.

The invention relates to the technical field of concrete curing, in particular to a concrete curing environment control system with intelligent temperature control and humidity adjustment functions. Comprising a data acquisition and storage unit; the regulation and control decision-making unit is used for calculating a deviation value between the current environment and a target maintenance condition through an improved sectional type PID (Proportion Integration Differentiation) regulation algorithm; a temperature and humidity execution unit; and a man-machine interaction unit. According to the invention, through the distributed air temperature and humidity sensor array and the embedded temperature sensor in the concrete, the air temperature and humidity of the curing space and the internal temperature data of the concrete are collected, and the initial setting stage, the final setting stage and the hardening stage are judged based on the internal temperature change rate and the internal surface temperature difference; the PID parameter adjustment interval corresponding to the concrete mark is called in combination with the stage, smooth parameter switching is achieved, in the concrete curing scene, the heat release rate and strength development requirements of different hydration stages can be accurately met, and the situation that a regulation and control strategy is disjointed with the actual concrete curing requirement is avoided.

The invention discloses a real-time monitoring device based on intelligent agriculture in the technical field of agricultural Internet of Things, comprising a stand column, a connecting block is fixedly mounted below one side surface of the stand column, a sliding groove is formed in one side surface of the connecting block, and a screw rod is vertically and rotatably connected to the inner side of the sliding groove; the top end of the lead screw extends to the position above the outer end of the connecting block, the surface of the lead screw is in threaded connection with a connecting rod in a sleeving mode, the connecting rod is arranged in the sliding groove in a sliding mode, a soil parameter sensor module is fixedly installed at the end of the connecting rod, and the bottom of the soil parameter sensor module is sequentially connected with a humidity probe, a temperature probe and an EC value probe. A main control box is fixedly installed on one side of the stand column, an air temperature and humidity sensor is fixedly installed on the outer side surface of the main control box, the monitoring device can obtain three-dimensional data of soil, air environment and crop growth at the same time, and therefore precise agricultural decision can be better supported.

The invention relates to the technical field of orchard meteorological disaster prevention and reduction frost prevention, and provides a surface layer disturbance temperature inversion frost prevention method. According to the method, the frost rate of the orchard can be effectively reduced and the frost loss can be reduced through the processes of constructing the orchard air temperature prediction model, determining the frost disaster threshold value, installing fan pipe tower equipment in the orchard, collecting temperature data in real time based on a sensor network of an Internet of Things monitoring system and optimizing fan parameters through the heat balance model.

The invention discloses a modern agricultural park comprehensive energy optimization scheduling method considering extreme temperature. According to the method, an extreme air temperature scene is determined based on a meteorological data set and an extreme air temperature event screening index, and energy supply and demand are predicted by using an energy supply-meteorological and agricultural load-meteorological coupling model. And constructing a weekly-ahead and day-ahead two-stage optimization scheduling model, and calculating an optimization scheduling result by using a commercial solver in combination with constraint conditions such as energy balance and the like. Meanwhile, adjustable resources such as a battery energy storage system and a demand response reservoir are considered, and the flexibility and stability of the system are improved. According to the method, the accuracy of source load prediction of the comprehensive energy system of the modern agricultural park at the extreme temperature is effectively improved, unbalanced cost deviation of different time scales is relieved, optimal scheduling of the comprehensive energy system of the agricultural park is achieved, stable supply of agricultural production energy is guaranteed, the energy utilization efficiency is improved, and the method has important application value.

The invention relates to the technical field of automatic control, in particular to a low-temperature control system of a centrifugal variable-frequency magnetic suspension water chilling unit, which comprises an environment heat parameter detection module, a condensation pressure deviation identification module, a condensate water flow rate regulation and control module, a refrigerant flow evaporation linkage module and an energy consumption curve dynamic construction module. According to the method, the inlet and outlet water temperature of the condenser and the external air temperature are collected, and synchronous filing and water temperature difference rate normalization processing are combined, so that when the external temperature changes drastically, the abnormal trend of water temperature change lag can be captured in time, and the condensation instability risk is pre-judged in advance; based on local pressure change rate gradient density analysis, abnormal fluctuation of condensation pressure is precisely discriminated, the problem that the local instability risk is covered by a global mean value is avoided, and the early warning timeliness is improved; the flow speed of condensate water is dynamically adjusted according to condensation instability characteristics, PID dynamic correction is conducted by extracting the rotating speed and flow speed error of a water pump, it is ensured that the heat exchange performance of a condenser continuously meets the low-temperature change requirement, and the condensation pressure stability is remarkably improved.

The utility model discloses a novel efficient energy storage air cooling air conditioning system which comprises a compressor, a three-phase heat exchanger I, a three-phase heat exchanger II, an outer fan, an inner fan, a capillary tube, a water pump, an expansion kettle, a drying tank and an air bellow. A first cavity and a second cavity which are independent are formed in the air bellow, an inner fan and a three-phase heat exchanger II are arranged in the first cavity, and an outer fan and a three-phase heat exchanger I are arranged in the first cavity; on the basis, a refrigerant circulation system and a cooling water circulation system are constructed. According to the air cooling system, the refrigerant circulation system or the cooling water circulation system can be selected to work in time according to the temperature of the external environment and the return air temperature of the air bellow, so that the heat dissipation requirement of the air cooling system under the condition that the environment temperature is high can be met, and meanwhile the use frequency of the compressor is reduced when the environment temperature is low; power consumption is reduced and system efficiency is improved.

The present invention relates to the field of carbon fiber material molding, and specifically to a carbon fiber material molding autoclave. The carbon fiber material molding autoclave includes a tank body, an oil tank, an oil tank heating mechanism and an air heating mechanism. The tank body is provided with a pressurizing channel for pressurizing the inside thereof, and is provided with an air temperature monitoring device for detecting the air temperature in the tank body; the oil tank is located in the tank body, is filled with oil, and is provided with an oil temperature monitoring device for detecting the oil temperature, the surface of the oil is covered with soft silicone for wrapping a workpiece, and the outer ring of the soft silicone is sealed and connected to the oil tank; the oil tank heating mechanism is installed in the oil tank, and is used to work according to the oil temperature monitored by the oil temperature monitoring device; the air heating mechanism is installed in the tank body, and is used to work according to the air temperature monitored by the air temperature monitoring device. The present invention can keep the temperature constant during the material molding process to improve the quality of the workpiece.

The invention provides a refrigeration house multi-fan intelligent cooperative defrosting control system and method. The refrigeration house multi-fan intelligent cooperative defrosting control system comprises an air-cooled condenser, a throttling valve, a compressor, a refrigerating chamber, a bypass valve, an air speed sensor, a temperature and humidity sensor, a temperature sensor, a pressure sensor, a flow meter, an air cooler tail end evaporator, data acquisition equipment, a central processing unit and a control output port. According to the cold storage scene that hot gas bypass defrosting is adopted, and one refrigerating unit is provided with a plurality of air coolers, the ratio (COP) of the accumulated refrigerating capacity to the total energy consumption in the operation period of each air cooler is calculated. And a comprehensive performance coefficient dynamic model of the air cooler is constructed by combining the temperature difference between the air supply and the air return, so that optimal energy efficiency of the air cooler and multi-fan defrosting control are realized. Compared with the prior art, the defrosting control logic is reconstructed from the perspective of the performance coefficient of the air cooler, the frosting condition of the surface of the evaporator at the tail end of the multiple fans of the refrigeration house can be accurately judged, it is ensured that the unit maintains high efficiency in the operation process, and development of the efficient and energy-saving control technology of a refrigeration house refrigerating system is facilitated.

The application discloses a kind of in-service air conditioner performance detection device and method.The device is composed of wind receiving chamber, exhaust chamber, return air chamber, differential pressure gauge, two mixers, heating wire and humidifier, return air temperature and humidity probe and return air motor.The device uses electric heating wire heat balance air conditioner refrigeration capacity, through heating and humidification method, air conditioner blows out the air to the detection required temperature and humidity state, and is connected to the return air opening of air conditioner, circulates and operates to reach stable state and has continuous condensate, uses electric energy meter to collect the electric energy of heating wire 1h, and synchronously collects the condensate amount generated by air conditioner 1h, according to the data collected, the performance of in-service air conditioner can be calculated, without disassembling air conditioner, avoid damage to in-service air conditioner.

The embodiment of the invention discloses a dry judgment method, a drying method and clothes processing equipment, and belongs to the field of drying. The dryness judgment method comprises the steps that the conductivity value of clothes in a processing drum, the air inlet temperature of the processing drum and the air outlet temperature of the processing drum are obtained; the air inlet temperature and the air outlet temperature of the processing barrel are calculated, and the air inlet and outlet temperature difference of the processing barrel is obtained; and according to the conductivity value and the inlet and outlet air temperature difference, the dryness judgment result of the clothes in the processing drum is determined, and when the dryness judgment result is that the clothes are not dried, the operation parameters of the processing drum are adjusted so as to judge the dryness of the clothes in the processing drum again. The embodiment of the invention has the technical effect of improving the accuracy of stem judgment.

The invention provides a vehicle control method and system and a vehicle. The vehicle comprises an intercooling loop, the intercooling loop comprises a main loop, a bypass branch and a waterway three-way valve, the main loop comprises an intercooler used for reducing the air inlet temperature of an engine, a transmission oil cooler and a second radiator, the waterway three-way valve is provided with an inlet, a first outlet and a second outlet, and the inlet and the first outlet of the waterway three-way valve are connected into the main loop; the second outlet of the waterway three-way valve is connected with one end of the bypass branch, and the second radiator is connected between the other end of the bypass branch and the first outlet of the waterway three-way valve. The method comprises the steps that the actual air inlet temperature of an engine is obtained; and based on the actual air inlet temperature of the engine, the flow of the cooling liquid passing through the second radiator in the intercooling loop is controlled by controlling the waterway three-way valve. The intercooler can be cooled, and the heat dissipation effect of the whole vehicle is improved.

A hybrid adiabatic cooling system for a data center includes an outer conduit loop including a feed segment and a return segment and an inner conduit loop fluidly coupled to the feed and return segments of the outer conduit loop. The hybrid adiabatic cooling system includes a hybrid adiabatic cooler fluidly coupled to the outer conduit loop to cool a first cooling liquid circulating from the return segment to the feed segment of the outer conduit loop. The hybrid adiabatic cooling system includes a direct liquid cooling unit fluidly coupled to the outer conduit loop and an air handling unit fluidly coupled to the inner conduit loop. The hybrid adiabatic cooling system operates in a free cooling mode when the outdoor air temperature is less than a first threshold temperature and a chiller mode when the outdoor air temperature is greater than the first threshold temperature.

The invention discloses a surrounding furnace tea cooking device which can utilize a first heating body to radiate heat outwards to cook tea or cook a hot pot or bake food and the like, and can also utilize a hot air assembly to heat and utilize an atomization humidification assembly to humidify and reduce dryness. The air blower can accelerate flowing of air in the water tank, the pressure intensity in the water tank is increased, mist is blown out in the circumferential direction, the temperature of air on the circumferential side is increased, mist outlet is even, the coverage range is large, all users sitting on the periphery of the surrounding furnace table can be covered, and meanwhile flowing of air in the heat dissipation cavity can be accelerated through the air blower, and heat dissipation is conducted on the heating furnace assembly. No extra heat dissipation structure is needed, and the practicability is improved.

The invention belongs to the technical field of hydrogen adsorption, leakage and sequestration simulation experiments, and particularly relates to a system and a method for detecting the hydrogen adsorption, leakage and sequestration capacities of soil. The system comprises a simulation bin system, a hydrogen inlet system, a helium inlet system, a water inlet system and a gas outlet system, the simulation bin system is divided into an air simulation bin, a sample bin and a gas source bin by a pressurizing device and a supporting device, and a water vapor heating disc is arranged in the gas source bin. The hydrogen inlet system is in valve control connection with the gas source bin, the helium inlet system is in valve control connection with the air simulation bin and the gas source bin, the water inlet system is in valve control connection with the steam heating disc, and the gas outlet system is in valve control connection with the air simulation bin and the gas source bin. The method comprises eight steps, and the processes of adsorption, leakage and sealing storage of hydrogen in soil when the hydrogen leaks upwards under different air temperatures and air pressures in the nature are simulated. Therefore, the system and the method can provide theoretical and technical guidance for earth surface exploration of natural hydrogen.

The invention relates to the technical field of new energy automobile heat management, and belongs to an indirect heat pump heat management system for a new energy automobile. Battery outlet water and warm core outlet water are converged and then shunted through a waterway integration mode of a five-way valve and a proportional three-way valve, and the flow is distributed through the proportional three-way valve; the mixed water enters the battery to control the water inlet temperature of the battery, so that a water-water heat exchanger can be saved, and the effects of reducing cost and improving efficiency are achieved; on the aspect of the agent side, a large-diameter electronic expansion valve is arranged at an outlet of the water-cooling condenser, the internal flow and state of the water-cooling condenser are actively controlled by adjusting the opening degree of the large-diameter electronic expansion valve, the supercooling degree can be increased, the superheat degree can be restrained, the heat exchange capacity and the accurate control capacity can be enhanced, and heating and dehumidification outlet air temperature control in spring and autumn can be better achieved.