3651 results about "Ambient air" patented technology

The disclosure discloses an air purification device with an adjustable air outlet direction, including a purifier body and an air outlet island. The air outlet island including an island body, a shaft sleeve fixing bracket and a lifting driving assembly is arranged on the purifier body in a lifting structure; the middle of the island body is provided with a lifting driving assembly; the island body is arranged on the shaft sleeve fixing bracket and slidably connected with the shaft sleeve fixing bracket; a top surface of the island body is provided with a top air outlet grille; and a side surface of the island body is provided with a side air outlet grille. The disclosure can realize a variety of different air supply modes, thereby effectively increasing the circulation of the ambient air and improving the comfort of the indoor space.

A system and method for, removing carbon dioxide from a carbon dioxide laden gas mixture, the system comprising a group of carbon dioxide removal structures moving along a closed curve track. At one location along the track is located a desorption or regeneration box, into which each capture structure passes in order to be regenerated. The majority of the CO2 removal structures are fed ambient air, or an admixture of ambient air with a minor portion of a flue gas, and exhaust CO2-lean air. At least one selected such removal structure within each group, at a location immediately preceding its entry into the capture structure, is fed a flue gas comprising at least 4% CO2 by volume. A method for removing carbon dioxide from the atmosphere is provided utilizing a system operating in the same manner as the preceding system.

The invention relates to a method for operating an electrolysis plant (100) in which water is converted into oxygen and hydrogen in an electrolysis unit (110), wherein a processed fluid stream (c) is fed from an oxygen side (114) of the electrolysis unit to a gas separator (120), wherein the processed fluid stream (c) comprises water and gas, wherein an oxygen-containing fluid stream (g, h) is discharged from the gas separator (120), wherein the oxygen-containing fluid stream comprises gas, wherein the oxygen-containing fluid stream (h, d) is fed to an oxygen section of the electrolysis plant (100), and wherein, if required, ambient air (k) is supplied to the oxygen-containing fluid stream (h) at a feed point (140) before it is fed to the oxygen section of the electrolysis plant (100), or the oxygen-containing fluid stream (h) is supplied to the oxygen section of the electrolysis plant (100) before it is fed to the oxygen section of the electrolysis plant (100). is replaced by ambient air (k).The invention also relates to a corresponding electrolysis system (100).

The invention relates to the field of household appliances, and discloses an air purifier efficient filter screen replacement prompting method and system.The method comprises the steps that firstly, air adsorption data are obtained, and the concentration of pollution particles is recognized to determine a filter screen load mode; analyzing the use state of the filter screen, and performing attenuation detection in combination with historical replacement records to obtain attenuation data; calculating the service residual life according to the attenuation data, evaluating a purification index, generating a filter screen efficiency index in combination with the environment air quality, and dividing replacement levels; then configuring multi-order prompt information according to levels, determining a filter screen edge area, calculating a penetration rate and positioning a weak part; and finally, generating a local failure graph, extracting failure interference factors, constructing adaptive replacement logic and formulating a replacement prompt scheme. The filter screen utilization rate can be increased, and the purification efficiency can be guaranteed.

The invention belongs to the technical field of environmental atmospheric pollutant assessment, and discloses a method for assessing the influence of fireworks and crackers on atmospheric PM2.5, which is suitable for assessing the particulate matter pollution influence of a fireworks setting-off point source in a specific area on a surrounding environmental air quality monitoring station, and realizes PM2.5 emission diffusion simulation and traceability of centralized setting-off of fireworks and crackers. The characteristics of Gaussian diffusion, puff diffusion and computational fluid mechanics theories are integrated, PM2.5 influence evaluation of areas and cities can be achieved, firework and cracker pollution contribution key areas can be recognized, rapid response of pollution emission reduction measures can be achieved, and then more effective supervision and control over centralized setting-off of fireworks and crackers can be achieved.

The invention relates to the field of liquid air energy storage, and discloses a liquid air energy storage and liquefied natural gas coupling efficient power generation device and method. The method comprises the steps that an air liquefaction circulation loop purifies, compresses and cools ambient air and then expands and decompresses the ambient air to obtain liquid air, and the liquid air is transmitted to an air power generation circulation loop; generated air compression heat is stored in the heat storage unit; the air power generation circulation loop generates power through expansion of received liquid air, and generated cold energy is stored in a cold storage unit; the LNG vaporization supply loop pressurizes, evaporates and gasifies liquefied natural gas and then supplies the liquefied natural gas to a user side, generated cold energy is stored in a cold storage unit or directly supplied to the air liquefaction circulation loop, and meanwhile gaseous natural gas naturally released by an LNG tank is collected and conveyed to a combustion chamber. The high-grade heat energy utilization loop conducts heat conduction oil circulation, low-grade heat energy and high-grade natural gas combustion heat energy of the heat storage unit are recycled in sequence, high-grade heat energy is transmitted to the air power generation circulation loop, and heat conduction oil returns to the initial state to continue circulation after releasing the heat energy.

The invention relates to the technical field of air quality monitoring, in particular to an ambient air pollution monitoring method and system based on a sensor technology, and the method comprises the steps: obtaining air quality data at a monitoring point at an initial sampling frequency, and constructing an air quality data curve at the monitoring point; determining a suspected pollution gas emission stage, and taking a monitoring point corresponding to a first abnormal data segment of the suspected pollution gas emission stage as a nearest neighbor monitoring point of a pollution gas emission source; determining the consistency between the environmental influence of the suspected pollution gas emission stage and the change rule of the actual air quality data; under the condition that the consistency of the change rule is greater than a first threshold value, determining the suspected pollution gas emission stage as an actual pollution gas emission stage; and determining the optimized sampling frequency of each monitoring point in the actual pollution gas emission stage, and collecting the corrected air quality data of each monitoring point by using the optimized sampling frequency. According to the invention, the monitoring efficiency, accuracy and reliability are improved.

The invention discloses a Coanda effect-based sand-proof and dust-proof device for an electrolytic bath, which is characterized in that a surrounding dust cover structure which is in flexible contact with the electrolytic bath or keeps a non-contact gap with the electrolytic bath is formed at the periphery of a full-load-bearing movable bracket, and the dust cover structure forms a semi-closed protection structure between a foundation and the electrolytic bath; dustproof cover structures composed of fences are arranged on the two sides of a foundation with profile steel as the foundation, each dustproof cover structure at least comprises a vertical fence wall arranged on the side portion of the full-bearing type movable bracket, the bottom of each vertical fence wall is connected with the foundation, and the top of each vertical fence wall makes flexible contact with the electrolytic cell or forms a non-contact gap with the electrolytic cell. A continuous variable-curvature Coanda curved surface is adopted, the airflow speed is increased through the wall attachment effect, a laminar flow air curtain is formed, and curvature-flow velocity coupling optimization is formed. Compressed air is injected through the narrow slit nozzle, ambient air is pried to form a large-flow air curtain, the actually measured air curtain coverage area is 3.2 times that of a traditional flow guide plate, and the unit energy consumption is reduced by 57%.

The invention discloses an intelligent gas pipeline inspection method based on an unmanned vehicle, and relates to the technical field of unmanned detection, and the method comprises the steps: making an inspection plan, and planning an inspection route; establishing a precise map to realize autonomous navigation and positioning, and performing autonomous inspection according to a planned inspection route; an environment monitoring sensor module carried on an inspection unmanned vehicle is used for monitoring the operation environment of a gas pipeline, and when an environment air index is detected to be abnormal, an ultrasonic sensor array is used for identifying a sound wave signal generated by gas pipeline leakage, positioning a gas leakage point and recording and reporting early warning information and on-site conditions to a remote monitoring station; meanwhile, sound-light alarm information is generated; data of sensors along the gas pipeline and in the gas pipeline are read, an inspection video is uploaded to a server, and a special inspection task is completed through remote control. According to the invention, autonomous inspection can be realized, gas leakage can be accurately identified, a gas leakage point can be positioned, and the harm of gas leakage accidents can be reduced.

Described herein are features for a high altitude lighter-than-air (LTA) system and associated methods. The LTA may include one or more super-pressure balloons (SPB). One or more of the SPB's may include one or more interior volumes. One or more of the interior volumes may be configured to receive an LTA gas therein to supplement the free lift of the LTA system. There may be an adjustable valve or vent to release the LTA gas. One or more of the interior volumes may be configured to receive ambient air to provide a variable downward force. The SPB may use a compressor to pump in ambient air. The compressor or another valve may release ambient air to decrease the downward force. A zero-pressure balloon (ZPB) may be attached with the one or more SPB's. The ZPB may supplement lift for the system.

The invention relates to the technical field of intelligent control, and particularly discloses a boiling point self-adaptive heating control method and device for a water dispenser and the water dispenser. The method comprises the steps that the boiling point temperature of drinking water is determined according to the environment air pressure value; controlling the heating device to heat the drinking water in a high-power mode until the temperature of the drinking water reaches a preset first temperature threshold value; after the temperature of the drinking water reaches the first temperature threshold value, the heating device is controlled to continuously heat the drinking water in a low-power mode until the temperature of the drinking water reaches the boiling point temperature; according to the method, firstly, the environment air pressure value is obtained, the boiling point temperature of drinking water is adaptively determined according to the environment air pressure value, the defect that the boiling point temperature of a traditional water dispenser is fixed is overcome, the accuracy of the boiling point temperature in different air pressure environments is guaranteed, meanwhile, a two-section type heating control mode is adopted, and the heating efficiency can be guaranteed while the heating efficiency is guaranteed. The energy consumption is reduced, and the scale generated by violent boiling is reduced.

An automatic animal feeding system is provided. Embodiments of the automatic animal feeding system include an automatic food dispenser and a food canister storing food pods. The automatic food dispenser couples to the food canister, receives a food pod form the food canister, removes a cover or lid from the food pod, presents the opened food pod for pet consumption, disposes of the food pod into a disposal compartment that is sealed off from the ambient air, and implements other steps of an automatic feeding process. Aspects of the automatic feeding process can be efficiently implemented, for example, by actuating two motors based on data received from sensors of the automatic animal feeding system. Accordingly, embodiments of the present disclosure provide a compact, control-efficient, self-cleaning automatic animal feeding system that can continuously personalize feeding patterns or feed a pet with little to no human intervention over a period of time.

The invention refers to a floating offshore structure incorporating a water motion stabilization system. The structure comprises: a platform, at least one floater joined to the platform, each floater having at least an internal chamber and having a closed upper end and an open bottom end, and wherein the floaters are positioned such that the open bottom end is submerged when the offshore structure is deployed on the sea, so that a water column can oscillate inside the chamber of each floater. Each floater has a valve arranged such that in its open position it communicates an upper part of the chamber of the respective floater with the ambient air, and in its closed position it serves for controlling the volume of air enclosed within the chamber of each floater. The invention improves water motion dampening effect, so as to improve stabilization particularly of Floating Offshore Wind Turbine Platforms, thereby, improving the efficiency of wind turbines and enlarging their operation range.

A heat pump system for a vehicle is configured to selectively exchange heat between coolant and the thermal energy generated from refrigerant at the time of condensation and evaporation of the refrigerant. The heat pump system heats the vehicle interior using the heat-exchanged high-temperature coolant and improves the heating efficiency of the vehicle by selectively using the ambient air heat, the waste heat of electrical components, and the waste heat of the battery module, at the time of heating the vehicle interior, thereby increasing the overall travel distance of the vehicle by efficiently adjusting the temperature of a battery module for an optimal performance of the battery module.

A bed system includes microclimate control capabilities for providing quality sleep experience. The bed system can include a microclimate control subsystem configured to supply conditioned air (e.g., heated or cooled air) to a mattress, or draw ambient air from the mattress, to achieve a desired temperature at the top of the mattress. Utilizing supply of conditioned air to provide air at desired temperature to the mattress system, or utilizing air suction to drain heat away from the mattress system, can provide precise microclimate control at the mattress, thereby permitting conformable sleep.

The invention discloses an environment air quality monitoring method and system based on multi-source data fusion, and relates to the technical field of environment monitoring, and the method comprises the steps: pulling traffic flow data, geographic information data, air quality data and meteorological data in a monitoring region to a monitoring system; the monitoring system quantifies and fuses the pulled data to form a multi-source data set; analyzing the multi-source data set by using a spatio-temporal scaling analysis algorithm, and estimating influence coefficients of various types of data on air quality; creating an air quality prediction model based on the influence coefficient estimation value of each type of data on the air quality; the air quality prediction model is used for predicting the change trend of the air quality in the monitoring area, and an air quality monitoring report is generated; and adjusting and optimizing the air quality prediction model regularly by using real data generated in the monitoring area. Through fusion of information of a plurality of data sources, distribution and changes of air quality in different time and space scales are obtained, and more comprehensive and more accurate monitoring information is provided.

The invention comprises an apparatus, method for using the apparatus and system for balloon altitude control by in-situ characterization and active energy management. The invention presented enables transportation, autonomous operation and use of a balloon beyond the limits of conventional high-altitude ballooning to the edge of the atmosphere, or about 100 km above the surface of the Earth. The apparatus comprises at least: an envelope containing lift-gas; an envelope and lift-gas characterizer; an altitude control system operated using active energy addition and lift-gas transfer or ambient air introduction into the system; and an external payload component. The invention is capable of operating in ascent, descent, or stationary mode; the altitudinal movement of the balloon is caused by measuring in-situ envelope and lift-gas characteristics, identifying the change in the lift-gas energy needed, and facilitating the required energy change for altitude control.

The disclosure relates to an industrial personal computer comprising: a main housing at least one panel of which is used as a CPU heat dissipating member, a portion of the one panel being recessed to form a pocket; a CPU, heat generated by the CPU being transferred to the CPU heat dissipating member and then dissipated directly into the ambient air; a SSD at least partially positioned in the pocket; and a SSD heat dissipating member positioned in the pocket and exposed to the ambient air, heat generated by the SSD being transferred to the SSD heat dissipating member and then dissipated directly into the ambient air, wherein the SSD heat dissipating member is heat isolated from the CPU heat dissipating member.

The invention relates to the technical field of environmental air detection, in particular to an environmental air quality detection device and a detection method thereof.The environmental air quality detection device comprises a base, and a case is fixedly mounted at the top of the base. Through the dual protection mechanism of the air inlet mechanism and the cleaning module, the air quality detection accuracy can be effectively guaranteed, in the specific detection period, induced draft fan blades rotate forwards to form negative pressure to suck air, an exhaust window assists in exhausting air, it is ensured that airflow is stable, and after a detection task is completed, an automatic cleaning program of the air inlet mechanism is started; the cleaning frame and the front cleaning group cooperatively operate to scrape dust on the inner walls of the induced draft fan blades and the air inlet pipe and prevent residual dust from falling off and being mixed into air in subsequent detection, meanwhile, the cleaning module continuously sprays, and under the action of countercurrent air driven by reverse rotation of the induced draft fan blades, cleaning liquid fully covers the air inlet pipe and the induced draft fan blades and dissolves dust and oil stains, so that secondary pollution is avoided; and air entering the case is ensured to be clean, so that real and reliable detection data is ensured.

An air conditioning system is provided. The air conditioning system includes an air compressor, a battery, a generator, a blower, and a turboexpander. The air compressor generates pressurized air from ambient air. The battery is for powering the air compressor motor. The generator is electrically connected to the battery. The turboexpander includes a drive shaft, a turbine wheel coupled to the drive shaft, and an expander coupled to the drive shaft. The pressurized air provides a source of kinetic energy to directly cause the turbine wheel to rotate and generate boosted air from the pressurized air, and the boosted air from the turbine wheel is configured to be received in the expander wheel and directly cause the expander wheel and the drive shaft to rotate together with the turbine wheel, thereby generating expanded and cooled air in the expander wheel.

The invention relates to an intelligent induction type cable quick connector plugging method, which comprises the steps of removing noise and errors in dust particle data through a signal processing module, constructing a first data set by adopting a Kalman filtering algorithm in combination with the processed dust particle data and ambient air pressure data, and storing the first data set according to a predefined format; by acquiring an output result of the particle swarm optimization model, analyzing to obtain a motion trend and concentration change of dust, monitoring an insulation state of the cable joint in real time through an insulation state sensor of the dust removal instrument, and constructing a second data set in combination with the motion trend and concentration change of dust particles and the insulation state of the cable joint; obtaining the working intensity of the dust removal instrument through a fuzzy logic controller in the dust removal instrument; according to the insulation state of the cable joint, judging whether the insulation performance of the cable joint reaches a safety standard; and collecting real-time plugging data in the plugging process, and evaluating the accuracy and safety of the plugging operation by analyzing the real-time plugging data.

An embodiment heat pump system of a vehicle includes a first cooling device including an electrical component and a first line for circulating a coolant, a second cooling device including a battery module and a second line for circulating the coolant, a HVAC module connected through a refrigerant line and internally provided with an opening / closing door that adjusts a selective flow of ambient air according to a cooling, heating, or heating and dehumidifying mode of a vehicle interior, a heat-exchanger connected to the internal condenser through the refrigerant line, a first expansion valve on the refrigerant line and connecting the heat-exchanger and the evaporator, a compressor connected between the evaporator and the internal condenser through the refrigerant line, an accumulator on the refrigerant line between the evaporator and the compressor, a chiller, a second expansion valve, a third expansion valve, and a second connection line.

The invention discloses a sand and dust weather satellite-ground cooperative monitoring method, and belongs to the technical field of atmospheric environment and meteorological disaster monitoring, and the method comprises the steps: calculating a particulate matter concentration change abnormal coefficient of each monitoring station according to a ground environment air quality automatic monitoring network; calculating visible light, intermediate infrared and thermal infrared indexes; extracting a satellite remote sensing monitoring index near each ground monitoring station, and comprehensively comparing ground monitoring to confirm an optimal threshold value of sand and dust discrimination of each index; and extracting a sand and dust weather distribution area, and calculating a sand and dust intensity index. According to the invention, by fusing ground environment air quality monitoring point data and a large-range satellite remote sensing monitoring result, a sand-dust weather integrated monitoring technology method model is comprehensively constructed, dynamic monitoring of regional large-range sand-dust weather distribution is realized, full-coverage sand-dust weather distribution judgment can be carried out on a large-range region, and real-time monitoring of the large-range region is realized. And the sand and dust weather transmission path and the influence thereof can be dynamically reflected.

This invention relates to materials, methods, and systems for carbon dioxide (CO2) capture. More specifically, this invention relates to materials, methods, and systems for removing, capturing, separating, and / or adsorbing carbon dioxide (CO2) from a gas mixture. Additionally, this invention relates to materials, methods, and systems for direct air capture (DAC) of CO2 from ambient air. This invention also relates to materials, methods, and systems for direct air capture (DAC) and methanation of CO2 from ambient air.

In a thermal management system for a vehicle and a method for controlling the same, the thermal management system includes a fluid transfer device configured to execute thermal management of at least one object, to be thermally managed, through introduced ambient air, and a controller configured to determine a target air flow rate required for thermal management of the at least one object to be thermally managed, and to control the fluid transfer device based on an optimal control value determined using a control model for a predictive state value according to a current state value and the target air flow rate.

The invention discloses a variable environment fuel oil atomization quality test system and test method. The system comprises a high pressure common rail injection system, a low temperature refrigeration system, an electronic control system, an image data acquisition system and an environment test chamber. The low-temperature refrigerating system reduces the temperature of fuel oil in the oil injector through convective heat exchange; the environment test cabin simulates the environment air pressure, temperature and humidity in the cabin according to the actual environment parameters in the cylinder in the engine operation process; the image data acquisition system acquires spray image information of low-temperature fuel oil in a variable environment and performs image processing, and by actually measuring the circulating oil injection quantity during fuel oil injection, the Sott average diameter is calculated according to different empirical formulas, and the fuel oil atomization characteristics are comprehensively analyzed. The invention provides a reliable experimental means for researching the fuel oil atomization condition of the fuel oil in a low-temperature state in a low-temperature environment in the cold start process of the engine, deeply analyzing the influence of a complex environment on the cold start of the engine, and seeking to improve the cold start performance of the engine.

The invention provides an inert gas generation system, and relates to the technical field of industrial gas production. The inert gas generation system comprises the following modules: a gas pretreatment module, an intelligent separation module, a dynamic purification module, a pressure regulation and control module, a quality analysis module, a safety control module and an energy efficiency optimization module, and the gas pretreatment module is used for removing particulate matters through an electrostatic dust collection device by adopting a multi-stage gradient filtering algorithm based on ambient air input, adjusting humidity by combining a dew point control technology, forming a standardized gas source and generating a standard gas source. Through combination of a multi-stage gradient filtering algorithm and a dew point control technology, collaborative treatment of particulate matters and humidity is realized, stable gas source input is formed, the reliability of a subsequent processing link is improved, membrane separation parameters are dynamically predicted by applying a convolutional neural network model, and the permeation efficiency of a hollow fiber membrane stack is optimized.

An apparatus is described that provides cooling therapy for a user of the apparatus. A user may place his or her palm(s) of the hand(s) on or close to the present invention to cool the palm(s) and thereby reduce heat in the user's body. The invention may include one or more internal fans pulling ambient air in through multiple air inlets and discharging cooled air from multiple outlets as the user holds the device of the present invention in his or her hand(s). Air circulation within the device, through a heat exchanger and / or thermoelectric module in the device, such as a Peltier cooling module, promotes cooling of the device and objects (such as the user's hands holding the device) in close proximity to the device. As a user's palms are cooled over a time period of use of the device of the present invention, the user's body temperature is also cooled, which reduces negative impacts of body heat on the user's muscles, and thereby enhances physical performance by the user for an added period of time.

The present disclosure discloses a method for simulating performance of an LNG ambient air vaporizer under a frosting condition, performing site operation test on the LNG ambient air vaporizer to obtain fitting relationship between the outer wall temperature of frosted finned tube and frost layer; transforming a sum of increased frost layer thermal resistance and thermal resistance into equivalent thermal contact resistance, and representing the equivalent thermal contact resistance as a function of the outer wall temperature; establishing a calculation model of the LNG ambient air vaporizer, performing simulation calculation by equivalent heat conduction coefficient, so as to obtain fluid-solid conjugate heat transfer characteristics and vaporization performance of the LNG ambient air vaporizer under the frosting condition. The influences of heat transfer in gas-liquid phase change flow and fluid-solid conjugate heat transfer in the tubes of the vaporizer under the frosting condition are considered in the present disclosure.

A frame for a refrigerated enclosure includes a frame segment having, in cross-section, a main frame member including a base, a middle wall, and a forward flange. The forward flange of the main frame member absorbs heat from the ambient air to increase a temperature of one or more locations of the frame segment or a door of the refrigerated enclosure.