17 results about "Atmospheric ozone" patented technology

The invention relates to the technical field of ozone monitoring, in particular to an atmospheric ozone monitoring system and method. Comprising a monitoring box and a box door hinged to the monitoring box, a monitoring box is arranged in the monitoring box, the side wall of the monitoring box is communicated with an exhaust pipe, an ozone sensor is embedded in the top wall of the interior of the monitoring box, and during dynamic monitoring, an airflow conveying mechanism for conveying air into the monitoring box is arranged outside the monitoring box; air is discharged from the exhaust pipe through the ozone sensor. The device not only can carry out dynamic monitoring, but also can carry out static monitoring, the monitoring comprehensiveness is improved, when air in the air bag is released, the partition plate is burst open through airflow, the exhaust pipe, the air conveying box and the air bag are communicated, negative pressure is formed in the exhaust pipe, air in the monitoring box is sucked, and the monitoring accuracy is improved. And residual air in the air delivery pipe enters the monitoring box and is pumped away, so that the influence of the residual air in the air delivery pipe on static monitoring is reduced, and the monitoring accuracy is improved.

The invention provides an ozone source analysis method for online monitoring of the photochemical generation rate of atmospheric ozone, and relates to the field of atmospheric science research. The test aims at monitoring the total concentration of the RO2 * in the environment in real time, evaluating secondary pollution formation under different environmental conditions in typical events in combination with field regional pollutant data and meteorological data, calculating the O3 generation rate based on the concentration of the RO2 *, evaluating the photochemical generation source and consumption of O3 in the environment, and providing a reasonable prevention and control strategy; according to the method, a time sequence of actually monitored precursors such as VOCs, RO2 * and conventional pollutants and meteorological observation data (including air temperature, air pressure, total solar radiation and the like) is used as input parameters, the O3 generation rate is calculated, an F0AM mode is used for nesting MCM to simulate the photochemical reaction of the RO2 * in the environment, photochemical analysis of O3 is carried out, and the result of the photochemical analysis of the O3 is obtained. Comprising RO2 generation daily variation simulation, RO2 key species proportion, O3 photochemical generation source and O3 photochemical consumption process.

The invention provides a dual-medium air-conditioning system, which relates to the field of industrial refrigeration and heating equipment, and comprises a main medium circulating system, an auxiliary medium circulating system and a control system, and further comprises a cabinet, the main medium circulating system, the auxiliary medium circulating system and the control system are integrated in the cabinet, and the cabinet is provided with an air inlet and an air outlet. The main medium circulating system and the auxiliary medium circulating system are electrically connected with the control system, under the control of the control system, refrigeration or heating operation of the air conditioning equipment is achieved, and the dual-medium air conditioning system is provided with a Freon system and water source dual refrigeration and heating system and can be used according to the actual situation of an application factory. Recycled water (low-temperature water or high-temperature water) of a factory is reasonably utilized, particularly low-temperature heat energy of underground water is reasonably utilized, the use amount of Freon is reduced, efficient refrigeration and heating are achieved, meanwhile, damage to the atmospheric ozone layer is reduced, meanwhile, the influence on underground water resources can be reduced through underground water recharge, and the effects of saving energy and reducing consumption are achieved.

Data is collected regarding at least one of a coolant temperature of a vehicle, an atmospheric ozone level, and an air quality. A refueling time is determined based on the collected data. The vehicle is moved to a refueling station based on the refueling time.

The application discloses a method for atmospheric ozone vertical profile inversion based on a differentiable radiative transfer physical constraint, and comprises the following steps: collecting atmospheric ozone data and auxiliary data to construct a data set; constructing a logarithmic residual inversion network model based on a logarithmic space residual learning mechanism; embedding a differentiable forward simulation operator at the end of the logarithmic residual inversion network model; introducing a physical constraint loss function; training the model through a preheating-fine-tuning two-stage training method based on the data set, and realizing the inversion of the atmospheric ozone vertical profile based on the trained model. The application effectively solves the problem of neural network gradient disappearance or weight imbalance caused by the large concentration span (from ppb level to ppm level) of ozone in the vertical direction.

The application discloses a kind of simultaneously generating 310nm and 355nm high-energy laser full solid-state ultraviolet laser, belongs to the technical field of laser.The frequency-doubled module of fundamental laser and it, intracavity sum-frequency module of optical parametric oscillator, sum-frequency module three parts, make full use of the output energy of 1064nm pulsed laser, adopt frequency conversion technology such as frequency doubling, optical parametric oscillation, sum-frequency, realize 310nm and 355nm ultraviolet pulsed laser output.The application has the advantages of multi-wavelength, high energy, high beam quality, compact structure, and the ultraviolet band is in ozone absorption band, especially suitable for the detection of troposphere and stratosphere atmospheric ozone concentration by spaceborne laser radar.

The utility model discloses a laser radar system for atmospheric ozone detection, and relates to the technical field of atmospheric ozone detection. The device specifically comprises a laser emitting device which is used for emitting a first wavelength laser beam; after the first wavelength laser beam passes through the return light wavelength conversion device, a second wavelength laser beam and a third wavelength laser beam are respectively generated; the laser receiving device receives an echo signal, and the echo signal is obtained by backscattering the first wavelength laser beam, the second wavelength laser beam and the third wavelength laser beam through the atmosphere; and the at least one high-reflectivity mirror is arranged between the laser emitting device and the wavelength conversion device and is used for reflecting the first wavelength laser beam emitted by the laser emitting device and outputting the reflected first wavelength laser beam to the wavelength conversion device. The objective of the utility model is to prevent mirror surface light return focuses of a wavelength conversion device from converging to a laser emission device and guarantee the working stability of the laser emission device.

The invention discloses a gas composition for inhibiting combustion explosion of hydrogen, the gas composition comprises an inhibiting gas and an inert gas, the inhibiting gas comprises saturated hydrocarbon with the carbon atom number of 1-4, and the saturated hydrocarbon comprises methane or n-butane; or the inhibiting gas comprises unsaturated hydrocarbon with the carbon atom number of 1-4, and the unsaturated hydrocarbon comprises isobutene or 1, 3-butadiene. Therefore, according to the gas inhibitor, the synergistic inhibition effect is achieved through the combination of the special inhibition gas and the inert gas, the inhibition efficiency of the inert gas can be improved, the ozone layer of the atmosphere is not damaged, and safety is improved, and the fire risk and pollution emission are reduced. Compared with pure use of the inert gas, the use amount of the inert gas can be reduced by adding the inhibiting gas, resources are saved, and the inhibiting effect and the inhibiting efficiency are improved. And the use of the inhibiting gas does not damage the atmospheric ozone layer, and meanwhile, has no corrosivity, does not damage equipment, and has the characteristic of environmental friendliness.

The invention provides an atmospheric ozone pollution regulation and control method, device and equipment based on health protection, and belongs to the field of atmospheric pollution, the method comprises the following steps: acquiring the pollutant concentration of air in a target area, simulating an atmospheric chemical reaction process, quantifying the concentrations of intermediate substances and O3, and determining precursors; determining an emission source of the precursor based on the species concentration matrix of the precursor and a preset emission list, and further determining an emission source of an intermediate substance; obtaining health risk parameters, and determining a comprehensive health risk based on the health risk parameters and the concentrations of the intermediate substances, O3, VOCs and NOx; according to a preset emission reduction requirement, the emission reduction path is optimized with the purpose of minimizing the comprehensive health risk, and the optimal emission reduction path is determined under the condition that the comprehensive health risk is smaller than a preset threshold value. In this way, it is ensured that the O3 concentration can be reduced through regulation and control measures, and harmful intermediate accumulation caused by single emission reduction is avoided.

The present invention discloses a tropospheric atmospheric ozone detection system, which relates to the technical field of atmospheric detection. A partition support plate is installed at the top of a fixed dark box. One side of the top of the partition support plate is connected through a transparent limiting hopper. Symmetrically installed at the inner bottom end of the transparent limiting hopper are filter light positioning sleeves. A number of visible light filters are equidistantly embedded in the inner sides of the filter light positioning sleeves. A number of in-out electric push rods are equidistantly clamped at one end of the transparent limiting hopper. The present invention effectively solves the problems in the prior art that millimeter wave devices are affected by the migration of tropospheric atmospheric ozone, resulting in data deviation in the feedback of the millimeter waves emitted during detection. At the same time, it solves the problem that the overall size of the device is too large and it cannot be quickly carried and moved, resulting in a fixed detection position. When detecting tropospheric atmospheric ozone, the detection efficiency can be effectively improved, and detection feedback can be carried out in real time, improving the detection range and detection effect.

This invention discloses a method and apparatus for precise source tracing and analysis of atmospheric ozone pollution. Based on the concentration data of each VOC species among multiple species monitored at ambient air quality monitoring stations, the ozone generation potential of each species is determined; the ozone generation reactivity of each species is determined; key VOC species for ozone generation are screened based on both ozone generation potential and ozone generation reactivity; mobile VOC monitoring is conducted around the ambient air quality monitoring stations, and automatic offline sampling and laboratory analysis are performed at high-value TVOC sites; key pollution sources for ozone generation at the ambient air quality monitoring stations are identified and subject to control. This invention provides a more comprehensive analysis of atmospheric ozone pollution, accurately identifying specific pollution sources and better providing technical support for environmental management.

The utility model relates to the technical field of ozone purification, and discloses a vehicle-mounted atmosphere ozone purification device which comprises a shell, an ozone purification module is placed in the shell, a dust screen is movably installed at the front end in the shell, a breathable filter screen is movably installed at the rear end in the shell, and the ozone purification module is arranged in the shell. A dust removal component is movably installed at the front end of the dust screen, a rear cover is movably installed at the rear end of the shell 1, the dust removal component comprises an air inlet frame movably installed at the front end of the dust screen, a swing plate is movably installed in the air inlet frame, and the dust removal component can be cleaned by installing the shell, an ozone purification module, the air inlet frame, the swing plate, bristles, a wind direction plate and the like. The device has an unpowered ozone purification capability, saves energy consumption, can purify ozone in a city, improves the air environment quality, can provide guarantee for long-time work of the device, and avoids the problems that the purification device is blocked and the purification efficiency is reduced due to a large amount of dust in urban air.

The invention discloses an atmospheric ozone concentration prediction and treatment method based on deep learning. The method comprises the following steps: acquiring original data; extracting features from the preprocessed original data set, and performing periodic coding to generate a tag sequence; inputting the tag sequence into an input module of the improved DCRNN model, and constructing an adjacent matrix; performing diffusion convolution operation on the adjacent matrix, and establishing spatial feature representation; introducing a weather-driven attention mechanism to generate comprehensive attention features; generating an atmospheric ozone concentration prediction result; generating a treatment scheme; model parameters and treatment schemes are updated, closed-loop optimization of prediction and treatment is achieved, the ozone concentration prediction precision is effectively improved, and the method has the advantages of being high in prediction precision, high in practicability and good in generalizability.

The present application relates to ozone concentration inversion, in particular to a kind of ultraviolet hyperspectral atmospheric ozone vertical column concentration inversion method, based on Lambert-Beer law determines fitting equation;Linear fitting matrix M is constructed, vector is constructed according to linear fitting matrix M and vector fitting equation is converted into matrix form;The slant column concentration value of ozone is solved by least square method;Air quality factor AMF is calculated;The vertical column concentration value of ozone is calculated using the slant column concentration value of ozone and air quality factor AMF;The technical scheme provided by the present application can effectively overcome the defects of lower accuracy of atmospheric ozone vertical column concentration inversion result and complex calculation existing in prior art.

1. The name of the product of this design: atmospheric ozone monitoring laser radar. 2. Purpose of this design product: This design product is an atmospheric ozone monitoring laser radar. 3. The key point of the design of this product lies in the overall shape of the product. 4. The picture or photograph that best illustrates the key points of the design: Stereoscopic drawing 1.

Device for measuring atmospheric ozone and nitrogen dioxide concentrations. Device (1) for measuring atmospheric ozone and nitrogen dioxide concentrations, the device comprising a data acquisition module (5) having first (10) and second (15) identical metal oxide resistive sensors configured to measure total atmospheric nitrogen oxide and ozone concentrations, the first sensor (10) being covered with an ozone-tight, nitrogen dioxide-permeable filter (30). Figure for the abstract: Fig. 1

The utility model discloses a treatment device for restraining atmospheric ozone from exceeding the standard. The treatment device comprises a cart, universal wheels are installed at the bottom of the cart, a shell is fixedly connected to the surface of the cart, a gun fog machine barrel is arranged above the shell, an atomizing nozzle is arranged in the gun fog machine barrel, and two sets of supporting mechanisms are arranged in the shell. The utility model relates to the technical field of atmosphere treatment, in particular to a treatment device for inhibiting atmosphere ozone from exceeding the standard, which increases the contact area between the device and the ground and improves the stability of the device through the matching of a rotating rod, a double-thread screw, a threaded block, an inclined rod, a T-shaped column and a transverse plate, and solves the problem that a gun fog machine barrel in an existing treatment device is not easy to move when moving. The problem that the stability of an existing treatment device is reduced due to the fact that the treatment device is in contact with the ground only through universal wheels, the contact area is small, and the whole device is prone to moving is solved.