1534 results about "Ambient air" patented technology

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.

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 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.

A system may include a first heat rejection unit including a first set of fans and coils and a second heat rejection unit configured to be stacked on top of the first heat rejection unit, where the second heat rejection unit includes a second set of fans and coils. The system may include one or more central passages configured to connect the first heat rejection unit to the second heat rejection unit, where the one or more central passages separate the first heat rejection unit into a first section and a second section. The system may include an inlet duct configured communicate with outside and receive fresh ambient air via an opening in the inlet duct, where the inlet duct is configured to divert the fresh ambient air to at least one of the first heat rejection unit or the second heat rejection unit to be exhausted outside.

The invention discloses a noise reduction method and device, equipment, a storage medium and a program product, and relates to the technical field of audio processing, and the method comprises the steps: collecting a bone conduction signal and at least two paths of environment air conduction signals of an earphone wearer through an earphone, based on the bone conduction signal, performing first noise reduction processing on a target air conduction signal of a target direction determined based on the at least two paths of environment air conduction signals to remove a first air conduction component of a relatively low frequency band of an earphone wearer, and obtaining an initial noise-reduced signal; and performing second noise reduction processing on the initial noise-reduced signal based on the bone conduction signal, the at least two paths of environmental air conduction signals and the phase difference of the at least two paths of environmental air conduction signals, so as to remove a second air conduction signal of a higher frequency band of the earphone wearer, and obtain a target noise-reduced signal. According to the method and the device, the noise generated by the earphone wearer in the audio recorded by the earphone is effectively removed.

A thermal transfer system for an appliance includes a first blower that delivers process air through an airflow path. A first vapor compression loop delivers internal thermal energy via a first flow of media from a first evaporator and to a condenser that are within the airflow path. A second vapor compression loop delivers ambient thermal energy via a second flow of media from a second evaporator that is outside the airflow path to a thermal exchange structure within the airflow path. A second blower directs ambient air over the second evaporator for capturing ambient thermal energy. The first blower directs the process air over the thermal exchange structure to deliver ambient thermal energy to the condenser to define a preheat sequence of the condenser. Further, the internal thermal energy and the ambient thermal energy are delivered by the process air to a processing space.

The invention relates to the field of parameter calibration, in particular to a real-time parameter detection and calibration method and device for a gas sensor. The method comprises the following steps: collecting environmental parameters according to a gas sensor to generate an effective parameter sequence; performing time sequence analysis on the effective parameter sequence to generate a parameter feature set; performing ambient air detection and concentration response stage analysis based on the standard working state, and marking concentration response stages of different gases; performing synchronous positioning and detection interference sensitivity calculation on the parameter feature set based on the concentration response dynamic stage, and generating the detection interference sensitivity of the environmental parameters; original detection parameter calibration is carried out according to the detection interference sensitivity, and a gas detection reference is generated. According to the invention, the accuracy, stability and reliability of gas detection of the gas sensor in a complex environment are improved.

The utility model provides a continuous gas pressurization sampling device which comprises a gas extraction passage and a sampling passage, a gas extraction pump is arranged on the gas extraction passage, a sampling pump is arranged on the sampling passage, and the two passages are both connected to a gas supply end. The sucking pump is kept to be started when the sampling device is in a working state, and the sampling pump is started when the sampling instrument samples. According to the scheme, a double-air-pump structure is adopted, it can be ensured that external fresh air is stably supplied to the sampling instrument in real time, the gas purity is not affected even if the length of the air inlet pipeline reaches hundreds of meters, and the air inlet pipeline is particularly suitable for being used in stations such as an automatic environment air monitoring station. According to the sampling device in the scheme, when the sampling device is in a normal operation state, the sucking pump is kept to be started, the sampling pump does not need to be started, and the sampling pump is started only when a sampling instrument needs to sample, so that the service life of the sampling pump is not influenced.

The invention relates to a plant (100) for reducing carbon dioxide from the ambient air, comprising a first device (10) for adsorbing the carbon dioxide from the ambient air using a pourable or free-flowing adsorption material (1) and comprising a second device (20) for desorbing the adsorption material (1) enriched with carbon dioxide, wherein the second device (20) is designed as a device (20) separate from the first device (10), wherein the first device (10) has a feed area (12) for feeding the adsorption material (1) and a discharge area (14) for discharging the adsorption material (1) enriched with carbon dioxide from the first device (10).

The invention relates to the technical field of intelligent regulation and control and energy conservation of hospital environment air quality, in particular to a big data management and intelligent evaluation system for the hospital environment air quality. The system comprises a multi-modal data acquisition module, a data processing module, a dynamic transmission modeling module, a dynamic Bayesian network risk modeling module and a prospective risk hedging and energy consumption optimization module. The system calculates a dynamic air transmission coefficient by collecting environment and people flow data, and constructs a dynamic Bayesian network model to calculate a cross-region propagation risk probability; the method is characterized in that when the risk probability exceeds a threshold value, a system actively solves a multi-objective optimization problem with minimization of energy consumption as an objective, and an optimal HVAC control instruction is generated; according to the method, the conversion from lagging evaluation to prospective risk hedging is realized, and the risk can be actively identified and regulated before the pollution exceeds the standard.

The invention relates to the technical field of equipment compensation control, and discloses a medical suction device with an altitude compensation function and a control method thereof. The method comprises the following steps: reading ambient air pressure data of a first pressure sensor, reading molecular sieve tank differential pressure data of a second pressure sensor, collecting pressure data of an output end of a third pressure sensor, and determining a real-time altitude according to the ambient air pressure data; a breathing pressure fluctuation value is calculated based on the molecular sieve tank differential pressure data, when the breathing pressure fluctuation value is lower than a preset negative pressure threshold value, the current breathing frequency is recorded, and nitrogen removal time, pressure equalizing time and flushing time are determined to control an electromagnetic valve to work; and when the oxygen concentration is lower than a first concentration threshold value and the real-time altitude height is lower than a preset height, increasing the nitrogen removal time by a first preset proportion and increasing the target rotating speed by a second preset proportion, and when the oxygen concentration is lower than a second concentration threshold value, stopping the operation of the compressor and closing all the electromagnetic valves. According to the invention, the false alarm rate is effectively reduced, and the equipment safety is improved.

The present application provides an oil-gas separation apparatus capable of implementing complete degassing and methods. The apparatus comprises: a piston cylinder and a degassing cylinder, a degassing solenoid valve being arranged between the degassing cylinder and the piston cylinder, one end of the degassing solenoid valve extending into the interior of the piston cylinder, and the other end thereof being in communication with the degassing cylinder; a variable speed diaphragm pump, an air intake end thereof being in communication with the atmosphere and an air discharge end thereof being in communication with the degassing cylinder for drawing ambient air, and used for cleaning a gas path of the oil-gas separation apparatus, and providing power for the degassing cylinder, thereby replacing a design involving a carrier gas cylinder or a gas generator; and a main control module. According to the present application, the piston cylinder, the degassing cylinder, the degassing solenoid valve, and the variable speed diaphragm pump are integrated and are uniformly controlled by the main control module, so that high-efficiency oil and gas separation is implemented. A unique degassing control method and a concentration calculation method are designed, so that fast and efficient degassing is implemented, nearly complete degassing is achieved without correcting a degassing rate, a mathematical model for inverse calculation of an oil sample concentration on the basis of a gas concentration is simplified, and concentration conversion is convenient.

A heating, ventilation, air conditioning, and refrigeration (HVAC&R) system configured to operate in a plurality of cooling modes includes a mechanical cooling system configured to place a working fluid in a heat exchange relationship with a cooling fluid, a free cooling system configured to place the cooling fluid in a second heat exchange relationship with an ambient air flow, and a controller comprising processing circuitry and a memory, wherein the memory comprises instructions that, when executed by the processing circuitry, are configured to cause the processing circuitry to transition operation of the HVAC&R system between the plurality of cooling modes based on a cooling demand of the HVAC&R system and based on an estimated power consumption of the HVAC&R system.

The invention relates to a system (100) for reducing carbon dioxide from ambient air, comprising a first device (12, 12a) for adsorbing the carbon dioxide using a free-flowing adsorption material (1), wherein the first device (12, 12a) has a feed area (16) for feeding the adsorption material (1) and a discharge area (18) for removing the carbon dioxide-enriched adsorption material (1) from the first device (12, 12a), wherein the first device (12, 12a) is configured to carry out the adsorption of the carbon dioxide under a first pressure (p1), in particular atmospheric pressure, and comprising a second device (32) for desorbing adsorbed carbon dioxide from the carbon dioxide-enriched adsorption material (1), wherein the second device (32) is configured to carry out the desorption under a second pressure (p2) reduced compared to the first pressure (p1).

The invention discloses a solar power generation prediction method, device and equipment. The method comprises the following steps: acquiring current irradiance data of a meteorological station in a current irradiation period; the current irradiance data are input into an irradiance prediction model, next irradiance data of the next irradiation period output by the irradiance prediction model is obtained, and the irradiance prediction model is obtained through model optimization based on a land assimilation model and a numerical weather prediction model in combination with machine learning optimization adjustment logic; and according to the next irradiance data, the weather forecast data and the ambient air data, predicting the power generation output power of solar power generation. Through the method, the irradiance prediction model obtained by combining the land assimilation model and the numerical weather prediction model with the machine learning optimization adjustment logic optimization model is used for irradiance prediction, the accuracy of irradiance prediction is improved, and the power generation output power of solar power generation can be predicted more accurately.

The embodiment of the present application provides a kind of humidity control device and refrigerator, humidity control device is connected with the drawer interchamber of refrigerator, including filter, fan, air duct component, ventilation cover, air duct component includes air inlet and air outlet, is connected with the drawer interchamber by air outlet, ventilation cover is set on the shell of refrigerator, and is connected with air inlet, for introducing ambient air;Fan is arranged in air duct component, for adjusting the air flow rate in air duct component;Filter is arranged in air duct component, for filtering ambient air.The embodiment of the present application can when the internal humidity of drawer interchamber is less than preset value range, start fan to intensify the air flow speed in air duct component, more quickly introduce ambient air into drawer interchamber, to increase the internal humidity of drawer interchamber, humidification is carried out by the way of introducing ambient air, can solve the problem that existing active humidity control needs to rely on water box and ultrasonic wave technology.

The invention belongs to the technical field of environment monitoring equipment, and relates to an environment monitor for a chemical plant, which comprises a stand column, a monitoring box and a sampling box, a multi-sensor fusion unit is mounted at the bottom of the monitoring box, and an edge intelligent gateway is arranged in the multi-sensor fusion unit; a detachable sampling container is arranged in the sampling box, a gas inlet joint and a gas outlet joint are arranged on the sampling container, a sampling joint is mounted at the bottom of the monitoring box, one end of the sampling joint extends out of the monitoring box, and the other end of the sampling joint is connected with the gas inlet joint through a gas conveying pipeline; an air extracting pump is installed in the sampling box, an air inlet of the air extracting pump is detachably connected with the air outlet connector, and the multi-sensor fusion unit and the air extracting pump are electrically connected with the edge intelligent gateway. The environment monitor can be arranged at a certain point position of a chemical plant and used for monitoring pollutants in ambient air, continuous real-time on-line monitoring can be carried out on the pollutants in the ambient air by using the multi-sensor fusion unit and the edge intelligent gateway, and gas samples can be automatically and manually collected.

The invention discloses a laboratory steady clean air conditioning system and method coping with a high cotton fiber environment, and the method comprises the steps: obtaining air temperature and humidity data, cotton fiber concentration data and particle distribution data, constructing an aerodynamic basic learning model, and carrying out the calculation through the basic learning model, and obtaining air state parameters; obtaining new air environment data based on the air state parameters, and preprocessing the new air environment data to obtain preprocessed air environment data; optimizing the basic learning model by using the preprocessed air environment data, and constructing an air state prediction model; and air state prediction is conducted based on the air state prediction model, an air conditioning prediction result is obtained, and intelligent adjustment and steady control over laboratory environment air are achieved. According to the method, the cleanliness prediction accuracy is improved, the local cotton fiber deposition risk is reduced, closed-loop control is achieved, and intelligent adjustment and steady control of laboratory environment air are achieved.

An indoor air cleaning system with a networking mechanism is disclosed and applied in an indoor field (A) for detecting and cleaning air pollution completely. A real-time air quality monitoring in the indoor field (A) is achieved by arranging plural gas detectors (A), at least one gas molecule control hardware device (2), at least one air conditioning device (3) and a networked cloud computing service device (4) in the indoor field (A) and forming an intelligent linked system by the arranged gas detectors (1) in an outdoor filed and the indoor field (A). Meanwhile, the air pollution in the indoor field (A) is also detected and intelligently compared with an ambient air quality status, and an air guiding volume of an air guiding fan (21) is instantly controlled according to the air quality. Whereby an energy saving benefit of the effective controlling operation of the purification device is achieved.

A battery system includes a liquid-cooled battery pack and a compressed air supply connected to a high pressure inlet valve of the battery pack and connectable to an air-controlled brake system of a vehicle, wherein the battery system is configured to control an internal pressure of the battery pack to be greater than an ambient air pressure.

The utility model relates to the technical field of environmental air pollutant concentration monitoring, and provides a peroxy radical chemical amplification device which comprises a sampling-amplification channel, a first acquisition control circuit module is arranged in the sampling-amplification channel and used for controlling an electric control program of a device system, and a second acquisition control circuit module is arranged in the sampling-amplification channel. An HO photolysis module is arranged in the sampling-amplification channel, a second acquisition control circuit module is arranged in the sampling-amplification channel and used for controlling an electric control program of the device system, and a gas path module is arranged in the sampling-amplification channel and used for controlling the gas flow direction of the device system; according to the utility model, the sampling-amplifying channel is arranged, so that the device is simple in structure, simple to operate, low in manufacturing cost and high in time resolution; the inhibition effect of the environment humidity on the amplification reaction is solved to a certain extent, and the actual effects of accurate measurement, simple operation and stable operation are obtained.

An energy dissipation system for a vehicle, the energy dissipation system comprising an air compressor comprising a compressor inlet configured to receive ambient air, an electric motor comprising a rotor having a rotor shaft operatively connected to a compressor shaft of the air compressor, power electronics arranged in a power electronics housing, the power electronics being electrically connected to the electric motor and configured to feed electric power to the electric motor, and an air flow channel through which the ambient air is configured to be fed to the compressor inlet, the air flow channel being formed by an inner elongated tube member and an outer elongated tube member, wherein the electric motor is housed within the inner elongated tube member and attached to a first inner surface, and wherein the power electronics housing is attached to a second outer surface.

The invention relates to a power station boiler self-adaptive load combined preheating recovery system which comprises a preheating system, a monitoring module and a regulation and control module, and the preheating system comprises a heat pipe heat exchanger set and a heat pump system; the heat pipe heat exchanger set is used for recycling high-grade flue gas waste heat in a combustion system in a power station boiler to preheat water in a water supply pipeline. The heat pump system is used for recycling low-grade flue gas waste heat of a second flue in the power station boiler to preheat ambient air at the inlet end of the air conveying fan; the monitoring module is used for collecting flue gas data of a first flue and a second flue in the power station boiler and a current load mode of the power station boiler; and the regulation and control module is used for dynamically regulating operation parameters of the heat pipe heat exchanger group and / or the heat pump system based on the flue gas data of the power station boiler and the current load mode, so that the regulated heat pipe heat exchanger group and the regulated heat pump system are used for recovering flue gas waste heat for preheating. Waste heat efficient recovery and stable operation of the boiler within the range from full load to deep adjustment load are achieved.

The utility model 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-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 provides a multi-algorithm integrated quasi-real-time environment air quality abnormal data identification method, and relates to the technical field of environment data analysis. The method comprises the following steps: acquiring air index data acquired by a plurality of ambient air quality monitoring stations, and marking abnormal data; marking the air index data of which the numerical value is within the first preset range as invalid or corrected; screening single-point abnormal values; screening air index data with abnormal space consistency; screening a trend abnormal value in the air index data; screening an abnormal peak value in the air index data according to the obtained trend value; and determining normal data in the air index data. According to the method, the abnormal values of the air index data can be screened out according to the abnormal data distribution characteristics of the air index data, an integrated statistical algorithm, a time sequence analysis model and a rule algorithm, the advantages of multiple methods are fused, and the error recognition rate of local high-value bubbling is reduced through multi-index collaboration and correlation check, so that the accuracy of local high-value bubbling is improved. And the overall precision of data quality control is improved.

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.

Technologies and techniques for producing a sorption element for removing carbon dioxide from ambient air. The method includes providing a carbon dioxide-binding starting material and a binder, mixing them to form a homogeneous mixture, and either molding the mixture into a sorption structure or coating a support structure with the mixture. The sorption structure or coated support structure is then thermally treated to solidify and / or chemically activate the sorbent material. The disclosed method enables the production of highly efficient sorption elements with enhanced thermal and electrical conductivity, which improve adsorption and desorption processes. The disclosure also includes systems and apparatus configured to perform this method, offering reduced material usage, improved energy efficiency, and customizable geometries for diverse applications.

To provide an air conditioning system capable of making a heat generation device cause less failure by estimating a heat generation load of the heat generation device when an air conditioner is out of order.SOLUTION: The system comprises: an acquisition part 101 for acquiring a heat generation load, information relating to indoor temperature, information relating to ambient air, and information relating to an air conditioner at a time interval; a storage part 102 for storing time which has lapsed until the indoor temperature increases to allowable temperature after an air conditioner 900 in operation stops, and is allowable repairing time predefined on the basis of the heat generation load; a first estimation part 103 for estimating an allowable load which is a heat generation load allowed to keep the indoor temperature not more than the allowable temperature after the allowable repairing time lapses; a comparison part 109 for comparing a comparison load based on the heat generation load with the allowable load; and a control part 111 for moving the heat generation load exceeding the allowable load to a heat generation device 500 with the comparison load less than the allowable load when the heat generation device 500 has the comparison load exceeding the allowable load.SELECTED DRAWING: Figure 1

Disclosed is a media for capturing carbon dioxide from a gas stream of ambient air or industrial exhaust. The media includes a fiber matrix having fine fiber strands formed from at least one first polymer capable of capturing carbon dioxide through absorbance or adsorbance. The fine fiber strands have a first mean diameter of 5000 nm or less. Further, the media includes a plurality of nodules dispersed in the fiber matrix, and the plurality of nodules are made from a nodule material capable of capturing carbon dioxide through absorbance or adsorbance. The media can be configured for use in a carbon capture element of a carbon capture cell disposed within a carbon capture system, such as a direct air or point source carbon capture system.

The invention discloses a hydrogen leakage on-line detection system and method based on a quadrupole mass spectrometry technology, and belongs to the technical field of hydrogen detection.The detection system comprises a gas inlet module, a dynamic dilution module, a six-way valve quantitative sample injection module and a quadrupole mass spectrometry detection system, and rapid and sensitive quantitative detection of hydrogen can be achieved; the usage amount of gas standard substances and samples is saved, and the method is green, efficient and energy-saving. The detection method comprises the following steps: establishing a calibration curve, and calculating the concentration value of an unknown hydrogen sample according to the absolute signal intensity value of the unknown hydrogen sample. The gas standard substance with high concentration is diluted on line to obtain samples with different concentrations, and quantitative detection of trace hydrogen components can be reliably realized for samples with different pressures such as pipelines / gas cylinders, ambient air and the like. The device can be used for on-line measurement of hydrogen components in various industrial gases in high-pressure pipelines or steel cylinders, on-line monitoring of hydrogen leakage in hydrogen related places such as hydrogen refueling stations, and on-line measurement of hydrogen components in scenes such as closed spaces and field exploration.