10137 results about "Aerosol Solution" patented technology

A method and a system for reconstructing aerosol chemical components based on CNN-BiLSTM-BO, including collecting multi-source environmental observation data through observation equipment, preprocessing and extracting key characteristic variables. The pre-treated multi-source environmental observation data are input into the CNN-BILSTM model for feature analysis, and the CNN-BiLSTM hyperparameters are adjusted by Bayesian optimization algorithm to generate a reconstructed model of aerosol chemical components. After verifying the performance and stability of the reconstructed model, the predicted results of the chemical components of the aerosol are output. On the basis of not relying on traditional chemical analysis technology, the invention can accurately reconstruct various aerosol chemical components, greatly reduce the cost and time of chemical analysis, effectively solve the problems of variable inconsistency, data missing, and spatio-temporal mismatch in multi-source observation data, and automatically adjust hyperparameters through Bayesian optimization algorithm to ensure that the output prediction results are more accurate.

At least one example embodiment provides a system for controlling a heater in a non-combustible aerosol-generating device, the system comprising a memory storing computer-readable instructions and a controller configured to execute the computer-readable instructions to cause the non-combustible aerosol-generating device to apply a first power to the heater based on a first preheat temperature determine an estimated energy applied to the heater during application of the first power, and apply a second power to the heater based on the estimated energy, an energy threshold and a second preheat temperature, the second power being less than the first power.

A gas-liquid contactor for capturing carbon dioxide (CO2) from atmospheric air includes an inlet; an outlet; a gas-sorbent interface disposed between the inlet and the outlet; a liquid distribution system configured to flow a CO2 capture solution along the gas-sorbent interface; a fan configured to flow the atmospheric air along a flow path from: the inlet, along the gas-sorbent interface, and to the outlet, to contact the atmospheric air with the CO2 capture solution and absorb CO2 from the atmospheric air into the CO2 capture solution to form a CO2-lean gas stream; and an electrostatic drift eliminator within the flow path downstream of the gas-sorbent interface and upstream of the outlet. The CO2-lean gas stream includes aerosols of the CO2 capture solution. The electrostatic drift eliminator is configured to ionize at least some of the aerosols of the CO2 capture solution to form ionized aerosols and collect the ionized aerosols.

The invention relates to the technical field of intelligent fire safety linkage control, in particular to an intelligent locking linkage control system and method based on fire monitoring, and the system comprises an acquisition module, a modeling module, a simulation engine module, a decision center module and an execution module. The acquisition module acquires physical quantity data of a key area of a building, wherein the physical quantity data comprises high-temperature radiation spectrum offset, aerosol particle swarm distribution characteristics and local heat convection intensity. The modeling module generates an environmental interference confidence index through convolutional neural network fusion features, and starts an incremental clustering algorithm to update an interference knowledge base when the confidence is insufficient. And the execution module dynamically compresses the delay window according to the risk map, and triggers a cross-level linkage mechanism through a people flow density threshold. And the environment sampling frequency adjustment coefficient is fed back to the acquisition module, the execution state data reverse drive modeling module iteratively updates the knowledge base, a Bayesian optimizer is combined to screen high-value characteristics to reconstruct simulation parameters, and full-link closed-loop learning and continuous evolution of the false alarm suppression capability are realized.

The invention discloses a power distribution station multi-point environment control system and method, and relates to the technical field of power system automation, and the method comprises the following steps: building a time-frequency phase-locked observation baseline based on the scattering relation between an infrared band and water vapor under the condition of sudden humidity increase, inverting aerosol particle size distribution and concentration distribution, and generating a multi-dimensional scattering phase residual field; according to the multi-dimensional scattering phase residual field, a real radiation field is reconstructed by adopting multi-path reverse ray variation solution and combining polarization dual-angle scanning, and a reflection saturation risk spectrum is generated. According to the method, a real radiation field is reconstructed through multi-dimensional observation and inversion, a consistency graph is generated by fusing multi-source data, a misjudgment boundary is accurately identified, a control margin and a switching condition are constructed based on residual playback and time correction, and a steady-state closed-loop control chain is formed in combination with a dynamic regulation and control mechanism. The self-adaptive precise regulation and control of the power distribution station environment and the stability guarantee of the thermal field are realized.

A heat-not-burn (HNB) aerosol generating device may include a housing including a power supply and an air inlet, a mouthpiece assembly movably attached to the housing, and providing an air outlet, a door assembly moveably attached to the housing, the door assembly including a door and a receptacle movably attached to the door, the receptacle defining a cavity to receive a capsule including an aerosol generating substrate, and a linkage arrangement operationally connected to the door assembly, the mouthpiece assembly and the housing, and the linkage arrangement cooperatively moving the mouthpiece assembly and the receptacle in response to movement of the door to a closed state such that the capsule is retained within the housing and operationally connected with the power supply, the air inlet and the air outlet.

The invention discloses a lithium iron phosphate battery grading active fire control method and system, and the method comprises the steps: collecting multi-mode perception data through deploying a multi-source sensor network and a BMS data interface, and constructing a battery thermal runaway risk assessment model through employing a Lyapunov fixed time stability theory; a hierarchical prevention and control strategy is dynamically generated in combination with a historical case sensitivity scoring mechanism, and linkage response of first-level early warning heat dissipation, second-level aerosol inhibition and third-level perfluorohexanone fire extinguishing is achieved. According to the invention, the problem that the prior art lacks self-adaptability and BMS deep collaboration is solved, the technical transformation from passive response to active prevention and control is realized, and the accuracy and timeliness of thermal runaway early warning are remarkably improved.

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

The invention belongs to the technical field of remote sensing, and relates to a multispectral remote sensing atmospheric correction method based on fusion of a physical model and a neural network, which comprises the following steps: S1, classifying aerosol parameter data obtained based on foundation observation, remote sensing inversion or meteorological model and satellite data fusion inversion by adopting an unsupervised clustering algorithm, extracting a typical aerosol mode with physical representativeness; s2, in combination with the typical aerosol mode, simulating the apparent reflectivity of an observation channel under a plurality of atmospheric states and observation geometric conditions by using a radiation transfer model, generating a lookup table covering a wide parameter space, and constructing a training data set; and S3, constructing a nonlinear regression model, taking the training data set as a training sample, learning a mapping relation among an observation angle, an aerosol condition and surface reflectance, performing atmospheric interference correction on an actual multispectral remote sensing image under a pollution condition, and outputting a surface reflectance result.

The invention discloses an aerosol extinction coefficient inversion method and device, a medium and a product, and relates to the technical field of laser radar aerosol optical parameter inversion, and the method comprises the steps: carrying out the preliminary inversion based on a multi-scale feature extraction network, carrying out the supervised learning of a laser radar signal profile obtained by a Mie-scattering laser radar, and obtaining an aerosol extinction coefficient; learning a statistical mapping relationship between the Mie scattering signal and the optical parameter to obtain a hot start model; and introducing a laser radar equation to construct a physical constraint term, carrying out fine iterative optimization on the hot start model based on the physical constraint term, obtaining an extinction coefficient profile and a backscattering coefficient profile with physical credibility, and completing aerosol extinction coefficient inversion. According to the method, adaptive calibration of the laser radar constant in multiple periods and multiple conditions can be realized, inversion and physical consistency optimization of the aerosol extinction coefficient are further realized, and consistency and stability of inversion results are ensured.

The invention provides an aerosol generation device, a heating control method thereof and a storage medium, and the heating control method comprises the steps: S1, a control assembly obtains frequency error data, and the frequency error data represents error data between the resonant frequency of a heating assembly and a target frequency; s2, performing fuzzification processing on the frequency error information by the control component to obtain a target frequency adjustment parameter; s3, the control component adjusts the resonant frequency according to the target frequency adjustment parameter to obtain a target output frequency; s4, the control assembly controls the heating assembly to conduct heating according to the target output frequency. According to the heating control method, a radio frequency heating system frequency dynamic regulation and control strategy based on real-time capacitance monitoring and fusing fuzzy control and a fast Fourier transform (FFT) algorithm is creatively applied, and the purpose is to guarantee that a heating assembly can always accurately run in the optimal resonant frequency interval, and efficient and stable heating performance is achieved.

A security tag can prohibit unauthorized usage of a device or product. The device may include an electronic nicotine delivery systems (“ENDS”) device, which may include aerosol delivery devices such as smoking articles that produce aerosol. The security tag can prevent usage until authorized. Attempts at usage without authorization can result in the device being unusable. The authorization may include identity confirmation or age verification.

The invention provides an aerosol simulation system, and the system comprises a micropump array which is used for extracting raw materials in a raw material storage unit, and forming a mixed solution; the micropump array comprises a first micropump and at least one second micropump; the raw material storage group comprises a first raw material storage unit and at least one second raw material storage unit; the control module can control the micropump array to extract a first raw material of the first raw material storage unit at a first pumping speed and extract a second raw material of the second raw material storage unit at a second pumping speed; the atomization module is used for carrying out atomization treatment on the mixed liquid to form aerosol and adjusting the temperature and humidity of the aerosol; and the first pumping speed and the second pumping speed in the control module are adjusted according to the physicochemical properties. The chemical component concentration and physical parameters of the output aerosol are dynamically changed in real time so as to simulate the whole life cycle of a real cigarette from ignition to extinguishment.

The invention relates to the technical field of preparation of medical supplies, in particular to a surgical membrane and a preparation process. During specific use, firstly, a polyurethane base membrane is selected and subjected to plasma treatment; spraying a nano SiO2 dispersion liquid containing a photoinitiator on the surface of the treated polyurethane base film, and then performing ultraviolet patterning irradiation to form a micro-bulge structure to obtain a base material layer; projecting the colloidal fluid to a temperature gradient mask through a digital micromirror device, so that the colloidal fluid is subjected to regional thermal polymerization on the substrate layer to form an intelligent adhesive layer with viscosity gradient; by adopting an aerosol jet printing technology, super absorbent fibers and polyvinyl alcohol-borax dynamic crosslinking hydrogel are co-deposited to form a drainage layer, so that the technical problems that a surgical membrane prepared by a surgical membrane preparation mode in the prior art is inflexible in adhesion and poor in surface structure performance, and a preparation process is difficult to accurately control are solved.

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

The invention provides an aerosol generating device and a coil assembly thereof, the aerosol generating device comprises a control assembly, the control assembly transmits an electric signal to the coil assembly through an electric connection part, the coil assembly comprises a ceramic substrate, a conductive heating body and a temperature feedback element, the ceramic substrate defines a heating cavity, and the conductive heating body is arranged in the heating cavity. The heating cavity is used for accommodating an aerosol forming substrate; the conductive heating body is arranged on the ceramic base body, and the conductive heating body heats the aerosol to form a substrate so as to generate aerosol; the temperature feedback element is arranged on the inner side or the outer side of the heating cavity and used for obtaining temperature related information of the conductive heating body and feeding back the temperature related information to the control assembly. The ceramic base body integrates the conductive heating body and the temperature feedback printed circuit, precision of temperature feedback control is achieved, real-time feedback adjustment can be conducted on the coil circuit according to the preset temperature, and stability and precision of the heating process are guaranteed.

The present invention relates to the field of data processing technology, and discloses an incremental clustering method, system, terminal, and storage medium for an atmospheric aerosol particle mass spectrum dataset. The method comprises: obtaining an atmospheric aerosol particle mass spectrum dataset and performing cluster initialization processing to obtain multiple cluster initialization parameters; determining a target cluster selection strategy, and performing a first similarity calculation and cluster assignment processing on the multiple cluster initialization parameters to obtain multiple cluster center matrices; merging and denoising the multiple cluster center matrices to obtain initial clustering results, and performing a second similarity calculation to obtain iterative similarity; performing cluster convergence judgment and iterative cyclic clustering processing on the initial clustering results, and outputting the clustering results of the atmospheric aerosol particle mass spectrum dataset. The present invention can significantly reduce inter-cluster mixing during the cluster analysis of the atmospheric aerosol particle mass spectrum dataset, thereby ensuring the accuracy of the clustering result output.

The present application provides a susceptor for inductively heating an aerosol generating substrate, a preparation method of the susceptor, and an aerosol generating article comprising the susceptor; the susceptor comprises a single alloy prepared by smelting iron, nickel and zircon as main element raw materials, has a Curie temperature of 300-600 DEG C, and the initial magnetic permeability of the alloy presents a peak characteristic with the increase of temperature. The single layer structure susceptor of the single alloy material of the present application realizes the functions of heating and temperature control at the same time, and overcomes the defects of the prior art, such as complex process, high preparation cost, and limited compatibility of electromagnetic induction heating appliances. Meanwhile, the susceptor has a relatively wide magnetic performance variation window and an aerosol generating system performance variation window, and can be flexibly adapted to more aerosol generating substrates.

The present invention includes a spray drying disposable device for use in a spray drying system. The disposable has a spray drying head and a plasma drying chamber. The head has a spray dry nozzle assembly in fluid communication with the plasma source and the pressurized aerosol gas source. The pressurized gas flows in a vortex pattern that atomizes plasma droplets in the chamber. The head also includes a plenum has uniform air pressure of the drying gas. A baffle plate forms the floor of the plenum having drying gas jets that supply drying gas to the chamber. The atomized plasma droplets evaporate in the presence of the drying gas emitted from the jets to obtain dried plasma particles and humid air. A capture filter captures the dried plasma particles and allows the humid air to pass. The humid air passes through the gas outlet and the exhaust port.

An aerosol provision device or a vapor provision device including an aerosol generator or vapor generator; a driving circuit connected to the aerosol generator or vapor generator, wherein the driving circuit is configured to employ either pulse width modulation or amplitude modulation, to supply power to the aerosol generator or vapor generator; and a power source connected to the driving circuit, wherein the power source includes a hybrid ion capacitor.

A pathogen nucleic acid aerosol purification device comprises a machine shell, the machine shell comprises a frame, a front panel, a left side plate, a right side plate, a rear baffle and a top cover plate are arranged on the frame, the front panel is an arc-shaped plate with the plate face bent forwards gradually from bottom to top, the rear baffle and the top cover plate are rectangular, and an air inlet is formed in the bottom of the machine shell. The front panel, the left side plate, the right side plate, the rear baffle and the top cover plate define an air channel allowing air to circulate from bottom to top, and a plurality of centrifugal fans are arranged on the upper portion in the air channel side by side at intervals in the left-right horizontal direction. The utility model aims to provide a biological laboratory air purification device which can enable air in a biological laboratory to fully circulate without dead angles, enables the air to be free of eddy current and cross disturbance as far as possible during circulation, and can efficiently disinfect and remove nucleic acid fragments, viruses and bacterial microorganisms in aerosol in the air in the biological laboratory in an extremely short time. And the pathogen nucleic acid aerosol purification device is used for efficiently removing suspended particulate matters in air in a biological laboratory.

The invention discloses a method, equipment and medium for measuring the central particle size and the particle concentration of aerosol particles, which are applied to an aerosol device adopting a charge diffusion method, and the central particle size and the particle concentration of the particles in gas to be measured are shown in the specification. Wherein S1 is the integral of an induced current I detected during ion collection in a positive pulse high-voltage period during particle size separation, and S2 is the integral of the induced current I detected during ion collection in a positive pulse low-voltage period during particle size separation; m is a polynomial fitting order, a fitting polynomial coefficient, a particle concentration calculation proportionality coefficient and a central particle size influence coefficient. Equipment adopting the method is small in size, low in manufacturing cost and high in measurement accuracy, so that the method can be popularized and used for scene requirements of vehicle or air detection and the like.

The invention relates to a device and a method of a high-sensitivity suspension single-droplet sensor for monitoring PM2.5 pollution, belongs to the technical field of aerosol microdroplet spectrum trace analysis, and solves the problem that ppb-magnitude gas cannot be monitored in the prior art. The method comprises the following steps: pumping aerosol into a sample cell of a droplet suspension system in a single droplet form; introducing required reaction gas into the sample pool through an atmosphere control system; scattered light signals of the single liquid drops are respectively input into the dynamic signal processing system and the microdroplet imaging system; acquiring the characteristic peak displacement change of the metal ion sensing microdroplet; establishing a gas particle distribution Mie scattering inversion model based on micro-droplet dynamic response; inverting the radius of the liquid drop according to the stimulated Raman scattering / stimulated elastic scattering signal; according to the quantitative relationship of the reaction, calculating the generation of sulfate by the droplet suspension system (sensor); and judging which gas in the actual atmosphere is a main oxidation pathway for oxidizing sulfur dioxide to generate sulfate pollutants according to a calculation result.

The invention discloses an ultratrace mercury isotope analysis method, and relates to the technical field of environmental analysis. The method comprises the following steps: purging a liquid sample to be detected by nitrogen in a stannous chloride atmosphere, and trapping and concentrating mercury into a gold trapping tube; pyrolyzing the pyrolytic gold trapping tube to release mercury vapor; pyrolytic mercury vapor and thallium isotope internal standard aerosol are mixed to serve as a sample injection sample, and the sample injection sample is introduced into a multi-receiver inductively coupled plasma mass spectrometry; acquiring a mercury instantaneous signal and a thallium isotope signal; and calculating the mercury isotope ratio by adopting least square linear regression fitting in combination with a thallium internal standard ratio correction algorithm. According to the method, the instantaneous mercury isotope signal is generated by online combination of gold trapping and multi-receiver inductively coupled plasma mass spectrometry, the instantaneous signal is strategically collected and processed, the determination concentration of isotope analysis can be greatly reduced, the sensitivity of the method is remarkably improved, and direct determination of mercury isotope composition in a water sample with the concentration of 10 ng L <-1 > is met.

The invention provides a capsule used as an aerosol generating substrate, the capsule contains fuming materials propylene glycol and glycerol, a capsule skin comprises a colloidal substance, the colloidal substance is at least one of animal glue, vegetable glue, starch and a starch modifier, and only one layer of capsule skin is provided. The invention also discloses an aerosol generating product using the capsule, and uniform and sufficient smoke release can be obtained at a lower heating temperature, so that the aerosol product can further reduce the energy consumption, reduce the release of harmful substances and improve the feeling of a smoker.

The utility model relates to the technical field of high-pressure aerosol generator devices, and discloses a high-pressure aerosol generator device which comprises a fixed cover, and a regulation and control mechanism is arranged at the upper end of the fixed cover. The regulation and control mechanism comprises an air distributor, a plurality of pressure regulating valves, a plurality of first clamping sleeve connectors, a plurality of air pipes, a second clamping sleeve connector, a plurality of nozzle bodies, a plurality of nozzle round collars and a plurality of connecting openings, an air inlet nozzle is fixedly arranged at the upper end of the air distributor, and a blocking piece is fixedly arranged at the position, close to the interior, of the lower end of the fixing cover. And a sealing ring is fixedly arranged outside the lower end of the fixed cover. According to the utility model, by injecting compressed air and changing the number and pressure setting of the pressure regulating valves, the concentration of aerosol can be easily adjusted, and the flexibility and adaptability of the device are improved, so that the device can generate aerosol with specific particle size distribution under a high-pressure condition, thereby meeting the requirements of high-pressure testing; and the accuracy and reliability of experimental results are ensured.

The invention discloses a dynamic paper feeding control method for double-probe aerosol monitoring, and relates to the field of environmental monitoring instrument manufacturing. The method comprises the following steps: acquiring a currently set paper feeding mode of the aerosol detection device, and performing paper feeding control on filter paper of the aerosol detection device according to a filter paper target displacement corresponding to the paper feeding mode; acquiring a corresponding real-time accumulated pulse number after the aerosol detection device starts paper feeding control, and stopping paper feeding when a paper feeding stopping condition is met; acquiring the perimeter of the positioning shaft and the number of pulses per circle; real-time displacement is determined according to the perimeter of the positioning shaft, the number of pulses in each circle and the number of real-time accumulated pulses; and correcting the real-time displacement according to the target displacement of the filter paper, and dynamically controlling the filter paper of the aerosol detection device again according to the corrected real-time displacement. According to the invention, actual transportation positioning of the filter paper in different paper feeding modes is considered and correction is carried out, so that huge deviation of the detection efficiency of the monitor and serious distortion of a measurement energy spectrum can be avoided.

A method and apparatus are provided. An aerosol-generating device includes a chamber configured to store a liquid aerosol-generating material, a main body including a partition wall facing the chamber, a conductive member provided on one surface of the chamber facing the partition wall, and a level sensor configured to sense an amount of the liquid aerosol-generating material stored in the chamber, in which the level sensor is configured to sense the amount of the liquid aerosol-generating material by applying current to the conductive member and measuring a voltage value that varies depending on a capacity of the liquid aerosol-generating material.