1697 results about "Air cleaning" patented technology

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.

Disclosed is an air cleaner. The air cleaner includes a case including a suction port disposed on a peripheral surface of the case, an air cleaning module including a blower fan disposed in the case and a filter configured to remove foreign matter from air introduced through the suction port, and a booster module disposed above the air cleaning module. The booster module including a head cover, a discharge port disposed inside the head cover, the discharge port including a ring-shaped inner grille having a central cavity, a display panel disposed in front of the inner grille, a front drive part connected to the display panel through the central cavity of the inner grille, and a first motor configured to move the display panel in a first direction.

The invention discloses a self-cleaning mechanism of a differential rotation type multi-stage air purification filter cartridge, and relates to the technical field of air purification equipment. The device comprises a purification shell, a first filter cartridge is arranged in the purification shell, the surface of the first filter cartridge is sleeved with a second filter cartridge, and the surface of the second filter cartridge is sleeved with a third filter cartridge; a driving assembly is arranged at the top of the purifying shell and comprises a driving motor arranged at the top of the purifying shell and a transmission rod installed at the output end of the driving motor. Through meshing transmission of a sun gear and a planetary gear in the driving assembly, differential rotation of the first filter cartridge and the second filter cartridge is achieved, attached particles are stripped in a layered mode through centrifugal force, the self-cleaning efficiency is remarkably improved, the differential design breaks through a static filtering mode of a traditional filter cartridge, particulate matter deposition inertia can be actively destroyed, and surface dust accumulation of a filter material is reduced; the problem of filtering efficiency attenuation caused by dust accumulation is avoided, the service life of the filter cartridge is prolonged, and the maintenance frequency is reduced.

The utility model provides an air purification filter performance detection and verification device, including a detection component, which includes a bottom plate, a mixing box, a first sealing sleeve, a feeding pipe, a blower, a groove, and a screw. The utility model places the air purification filter in the first sealing sleeve, starts the drive motor to drive the connecting block to move through the screw, and the connecting block drives the second sealing sleeve to move through the connecting box, and the air purification filter is fixed and sealed by the first sealing sleeve and the second sealing sleeve, and dust is added to the mixing box through the feeding pipe. The blower moves the first sealing sleeve of the dust in the mixing box to the inside of the air purification filter, and then sprays it into the dust storage box along the air outlet of the air purification filter through the second sealing sleeve, the connecting pipe and the hose. The dust sensor can give the concentration of the dust test to the connecting pipe, and transmit the data to the processor for processing. After processing, the data is displayed through the display screen, and the operation is simple and convenient.

An indoor air cleaning system is disclosed and includes an air pollution treatment device, and a networked cloud computing service device. The air pollution treatment device includes an air cleaning device, a central control and regulation device and a communication module for detecting, locating, circulating and filtering the air pollution in an indoor field. A gas detection module detects and transmits air pollution data to the communication module. The central control and regulation device communicates with and controls the gas detecting module, to control the air cleaning device for filtration. The networked cloud computing service device receives and stores the air pollution data to form an database. A control command is intelligently selected, and transmitted to the gas detection module. Consequently, the air cleaning device is controlled to filter the air pollution, and a gas state in the indoor field reaches a clean room requirement of ZAPClean Room 1˜9.

A seat ventilation device for vehicles which is configured to perform both an air cleaning function and a seat ventilation function, and is operated to perform one selected function. The seat ventilation device includes a base duct mounted in a seat and having an indoor outlet configured to discharge air to an interior of a vehicle, a blower assembled with the base duct, configured to intake air in the interior of the vehicle and selectively connected to the indoor outlet, a cover duct mounted on the base duct and having a seat outlet selectively connected to the blower so as to discharge air to the seat, an air cleaning module mounted on the blower so as to filter the air taken in through the blower, and an opening and closing door located in the cover duct and configured to open selectively either the seat outlet or the indoor outlet.

A sensor cleaning system for cleaning an environment sensor includes: an air cleaning system configured to clean an environment sensor by spraying compressed air; a washer fluid cleaning system configured to clean the environment sensor by spraying washer fluid onto the environment sensor; a suction cleaning system configured to suck around the environment sensor; and a controller configured to control the air cleaning system, the washer fluid cleaning system, and the suction cleaning system.

The invention discloses a multi-mode intelligent sterilization and deodorization air purification method and system for a pet environment, and belongs to the technical field of smart home, and the method comprises the following steps: collecting pet motion data and predicted pollution event probability and position; matching and outputting a pollutant category label and identifying the pollutant concentration; calculating a concentration estimation value of the pollutant in the indoor space grid in a future period of time; calculating the starting intensity and the energy consumption estimation value of the module in the corresponding area; and mapping the purification strategy matrix into an equipment control instruction through a power mapping function, and broadcasting the equipment control instruction to a corresponding equipment node. By constructing a closed-loop control structure from perception recognition to prediction to control feedback, the timeliness, the adaptability and the energy efficiency ratio of the pet environment air purification system are remarkably improved.

The utility model discloses an air purification module applied to an air conditioner, the air conditioner is provided with a return air inlet and an air outlet, the air purification module comprises a mounting frame and a filtering device, and the filtering device is arranged on the mounting frame, corresponds to the return air inlet and is used for filtering air flowing into the return air inlet; the air purification module further comprises an air guide plate, and the air guide plate is arranged on the installation frame, corresponds to the air outlet and is used for guiding airflow flowing out of the air outlet. According to the utility model, the placing pressure is not increased, and the device is combined with the air conditioner to be used, so that indoor air is purified, fins of the air conditioner are protected to be clean, cleaning of the air conditioner is reduced, and microorganisms such as bacteria and molds in the air are reduced; meanwhile, air flowing through the air conditioner can be filtered at a time, the air outlet direction of the air conditioner is gently changed, and the problems that an existing air purifier is large in noise, large in occupied indoor space and low in air circulation efficiency are solved.

The utility model relates to the technical field of industrial system air purification filters, and particularly discloses a V-shaped filter which comprises a filter element, a rubber line and an outer frame. And the filter element is positioned on an air circulation path in the filter and is formed by folding a whole piece of filter paper. The glue line is a continuous glue line and is adhered to the surface of the filter paper, and two ends of the glue line coincide with two ends of the filter paper. The outer frame is located on the peripheral side of the filter element, abuts against the filter element and is bonded with the glue line. The air filter has the effects of improving the purification air volume and meeting the industrial waste gas purification requirement.

The utility model discloses an air purification device with a self-cleaning air port, which relates to the self-cleaning field of air inlets and comprises an outer frame, a filter screen is fixedly mounted at one end of the outer frame, hole grooves are distributed in the end face of the filter screen, a containing frame is mounted at one end of the filter screen, the containing frame is of a hollow structure, and the hole grooves are communicated with the containing frame. An inner cavity of the filter screen is communicated with an inner cavity of the containing frame, and a strip-shaped groove is formed in the butt joint position of the filter screen and the containing frame; a cleaning mechanism penetrating to the position below the filter screen is installed in an inner cavity of the containing frame, a driving guide mechanism extending to the inner cavity of the filter screen is installed outside the filter screen, and the driving guide mechanism is used for driving the cleaning mechanism to move in a reciprocating mode. The cleaning mechanism is arranged, impurities accumulated on the filter screen are cleaned in a suction mode, and the effective self-cleaning effect is achieved.

Embodiments herein describe a method including using one or more air quality sensors and an air purifier to detect and adjust air quality within a structure having a heating, ventilation, and air conditioning (HVAC) system, the air purifier having a first variable speed fan in an intake channel and a second variable speed fan in an exhaust channel, and, in response to detecting an adverse air quality event within the building envelope by one or more sensors, automatically adjusting a speed of the first variable speed fan and a speed of the second variable speed fan (i) to maintain an air flow ratio between air inflow and air outflow within the HVAC system, (ii) to introduce increased fresh and filtered air flow from outside, (iii) to increase filtration of indoor air, (iv) to monitor the ERV and filter performance, and (v) to send relevant maintenance notifications to the user.

The invention relates to the technical field of pipeline monitoring, in particular to a construction method and system of a pipeline risk judgment model. The method comprises the following steps: generating compressed air by using an air compressor, and conveying the compressed air to a preset pipeline to obtain pipeline compressed air data; constructing an air purification model according to the pipeline compressed air data; performing air purification simulation according to the air purification model to obtain purified air data; detecting residual condensate water according to the purified air data to obtain residual condensate water data; performing pipeline corrosion identification based on the residual condensate water data to obtain pipeline corrosion data; predicting the pipeline perforation probability according to the pipeline corrosion data; accumulated solid particles are detected according to the purified air data, and accumulated solid particle data are obtained; and performing pipeline blockage analysis according to the accumulated solid particle data to obtain pipeline blockage data. Based on the pipeline monitoring technology, the accuracy and real-time performance of pipeline risk judgment are improved, and the pipeline safety recognition rate is remarkably increased.

The invention belongs to the technical field of intelligent control, and particularly relates to an air purification system based on intelligent perception and a self-adaptive regulation and control method thereof. Comprising a multi-dimensional environment perception unit, an environment data fusion and modeling unit, a self-adaptive regulation and optimization decision unit, a modular air purification execution unit and a man-machine interaction and user preference setting unit. According to the method, multi-element parameters are collected, fusion modeling is carried out, a pollution source is identified and predicted, a multi-target optimization algorithm is applied to generate an optimal purification strategy, and then a purification execution unit is controlled. The indoor air quality can be finely and dynamically managed, the purification efficiency is remarkably improved, energy consumption, operation noise and the service life of a filter material are intelligently balanced, and a personalized healthy breathing environment is provided.

The invention discloses an unpowered air purification device based on electrostatic adsorption and negative ion effects, and relates to the technical field of air purification, the unpowered air purification device comprises a ventilation pipeline, an electrostatic adsorption module, a particle capture net, a negative ion release module and the like, a wind scooper guides airflow to enter the electrostatic adsorption module, and a friction ball rubs with an electrode plate to enable the electrode plate to be electrified; particulate matters in the air are adsorbed, falling particulate matters are collected by a liquid collecting box, residual particulate matters are further intercepted by a particulate capturing net, the elastic design is convenient for shaking off and cleaning, and the negative ion release module accelerates the generation of negative ions and purifies the air by utilizing the solar thermal conversion and piezoelectric effect. Efficient air purification is achieved through a multi-stage purification structure, the functions of humidity adjustment, intelligent reminding and the like are achieved, the structure is simple, energy conservation and environment protection are achieved, the device can adapt to various scenes, and an innovative scheme is provided for solving the air pollution problem.

The invention provides an air purification filter element control method and system based on environment awareness, and the method comprises the steps: collecting environment parameter data of a to-be-purified space and working state data of purification equipment, extracting the spatial and temporal change characteristics of the pollutant concentration in the environment parameter data, and generating environment characteristic data; based on the ventilation quantity and the environment characteristic data in the working state data, calculating the mass flow of each pollutant passing through the filter element, and performing weighted correction on the mass flow through a preset load coefficient to obtain a current load value; cumulative calculation is conducted on the load history data, the pressure difference distribution data and the current load value, and filter element service life parameters are obtained; target operation parameters are determined based on the filter element service life parameters and the environment parameter data, and a fan and a valve of the purification equipment are adjusted; according to the method, accurate evaluation of the state of the filter element is realized through multi-point environmental perception and load accumulation calculation, and dynamic regulation and control are performed by combining the environmental pollution degree and the service life of the filter element, so that the purification efficiency is improved and the service life of the filter element is prolonged.

The invention relates to the technical field of equipment control, in particular to an intelligent control method and system for kitchen air purification equipment and a medium. The method comprises the following steps: acquiring real-time air monitoring data by using an air quality monitoring module in the kitchen air purification equipment; performing harmful gas component screening on the real-time air monitoring data to obtain air harmful gas component screening data; first equipment association control is conducted on an air purification module in the kitchen air purification equipment through the air harmful gas component screening data, and an air purification association control instruction is generated; acquiring filter screen data of the air purification equipment by using an air purification module in the kitchen air purification equipment; and performing filter screen smoke monitoring on the filter screen data of the air purification equipment to generate filter screen smoke monitoring data. Through real-time monitoring, dynamic adjustment, filter screen management optimization, efficiency quantitative control and an execution feedback mechanism, the intelligent level of kitchen air purification equipment control is improved.

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

The invention relates to a photocatalytic self-cleaning water-based paint and a preparation method thereof, which are applied to the field of paint compositions, and the photocatalytic self-cleaning water-based paint realizes self-decomposition of organic dirt and self-inactivation of pathogenic microorganisms by doping a nano-photocatalyst into a water-based system and utilizing a photocatalytic reaction triggered by light energy, and can purify pollutants in air, so that the photocatalytic self-cleaning water-based paint has the advantages of environmental protection and environmental protection. The formula of the coating is optimized, so that the photocatalyst is uniformly dispersed and stably exists in the coating, the coating not only has efficient action under ultraviolet light, but also has certain activity under visible light conditions, and in addition, the coating is a water-based system, is low in VOCs emission, safe and environment-friendly, and has a good application prospect. The self-cleaning antibacterial air purifying coating is suitable for construction and use in a manned environment, creatively integrates self-cleaning, antibacterial and air purifying functions into a whole so as to solve the problems that in the prior art, outer walls and public environment surfaces are difficult to clean and maintain, and a traditional coating lacks active purifying and antibacterial capabilities, and has important practical application value.

The invention relates to a flameout control method, system and equipment for a gas heating water heater and a medium. The gas heating water heater comprises a sealed combustion system, a Venturi mixer and a pneumatic gas valve which are sequentially communicated, and a command valve of the pneumatic gas valve is connected to an air purification bin of the sealed combustion system through an air pressure pipe. The method comprises the following steps: in a whole machine debugging stage, setting the pressure of a zero-position adjusting spring of a command valve of the pneumatic gas valve to be a negative value; in the operation stage of the water heater, whether the combustion flame is out of flame or not is determined based on the ratio of the gas flow to the air flow; the pneumatic gas valve is closed by the controller in response to a combustion flame off-flame stall. When the smoke pipe is seriously blocked, the pneumatic gas valve can be closed, so that the whole machine is shut down, and the gas heating water heater is protected.

The invention discloses an air purification and temperature and humidity coordination control method and system for a central air conditioner, and the method comprises the steps: learning past and future environment change trends based on a Bi-LSTM bidirectional neural network, adding a one-dimensional CNN convolution layer before Bi-LSTM, and extracting a local space mode of sensor data; introducing an attention mechanism to dynamically weight a pollutant concentration peak value and a temperature and humidity sudden drop point in the input sequence; inputting the multi-modal data into the hybrid prediction model for prediction, and outputting a prediction result; establishing a dynamic optimization model by taking minimization of energy consumption, maximization of air cleanliness and maintenance of temperature and humidity stability as targets through an NSGA-II multi-objective optimization algorithm; and inputting the prediction result, the multi-modal data and a threshold value set by a user into a dynamic optimization model, and outputting an air purification adjustment parameter and a temperature and humidity adjustment parameter. The efficiency and accuracy of temperature and humidity control and air purification control are improved.

The invention relates to the technical field of dust falling and crushing, and discloses a dust falling and crushing table which comprises a base and a box body, supporting legs are fixedly connected to the bottom of the box body, universal wheels are fixedly connected to the bottoms of the supporting legs, a feeding cylinder is fixedly connected to the top of the box body, and a wear-resisting plate is fixedly connected to the bottom of the inner wall of the box body. A discharging hole is formed in the bottom of the left side of the box, a guide plate is fixedly connected to the left side of the box, and a dust collection treatment mechanism is arranged on the right side of the top of the box. The dust suction pump effectively collects dust in the box body through the air inlet pipe and the connecting air pipe, the air inlet pipe penetrates into the left side in the box body, and the blocking net on the inner wall of the connecting air pipe can preliminarily block large-particle dust and prevent the large-particle dust from entering the dust suction pump to cause blocking. The dust suction pump discharges dust-containing gas into the collection box through the air outlet pipe, the filter screen at the bottom of the front face of the collection box can further filter dust, clean air is discharged from the exhaust hole in the top of the box body, and effective collection of the dust and air purification are achieved.

The invention relates to the technical field of intelligent household appliances, and discloses a range hood control method and device, an intelligent range hood and a storage medium. Whether the air quality data meet preset conditions or not is detected; when the air quality data does not meet the preset condition, the current working mode and air opening configuration information are determined; according to the working mode, the tuyere configuration information and the air quality data, each tuyere is controlled to conduct air purification on the target space, and therefore the situation that due to the behavior of manual selection of a user, the purification mode does not correspond to the actual air quality data is avoided, and meanwhile the control real-time performance of the range hood is improved.

An indoor air cleaning system includes a gas detection module, an air cleaning device and a central control device. The gas detection module includes a microcontroller and a central control communication interface component. The microcontroller performs a computation and outputs regulation signals based on air pollution data. The air cleaning device includes a fan, a filter element and a driving control component. The central control device provides an operation instruction to the gas detection module for guiding air pollution to pass through the filter element, thereby making an air pollution state of an indoor field specified by accumulated numbers of 1 nm-2.5 μm suspended particulates detected by the gas detection module within 24 hours to meet a cleanliness of ZAPClean room 1-12.

The invention relates to the technical field of intelligent control, and discloses an air quality evaluation method and device, air purification equipment and a storage medium, and the method comprises the steps: obtaining original monitoring data of various pollutants; performing format conversion on each piece of original monitoring data to correspondingly obtain standard data, which comprises the following steps of: respectively determining air quality standard limit values of various pollutants; respectively dividing the original monitoring data of various pollutants by corresponding air quality standard limit values to correspondingly obtain standard data; respectively determining the current weight of each standard data, and calculating an air quality index by utilizing all the standard data and the corresponding current weight; and determining the current quality grade corresponding to the air quality index, and controlling the air purification equipment to perform corresponding work based on the current quality grade. According to the invention, format conversion is carried out on the original monitoring data, the current weight of the data is determined, the air quality index is calculated, the quality grade corresponding to the air quality index is determined to control equipment work, air quality can be comprehensively quantified, and the evaluation precision is improved.

The utility model discloses a cleaning isolation cabin for installing a modular integrated reactor. The cleaning isolation cabin comprises a main cabin body, a movable ceiling, a bearing base, air purification equipment, an electric control box body, an air shower, an illuminating lamp and a monitoring camera, the main cabin body is mounted on the bearing base, the upper end of the main cabin body is opened to form a hoisting opening, and the movable ceiling is correspondingly and horizontally arranged on the hoisting opening; an isolation cabin access port communicated with the outside is formed in the circumferential direction of the main cabin body, the air shower is correspondingly arranged on the outer side of the isolation cabin access port, and an outlet of the air shower is communicated with the isolation cabin access port; the air purification equipment is communicated with the interior of the main cabin body, the electric control box body is arranged on the inner peripheral wall of the main cabin body, and the illuminating lamp and the monitoring camera are arranged at the top of the inner peripheral wall of the main cabin body. The clean isolation cabin has the advantages that repeated investment can be reduced, large-range isolation space is avoided, manpower and material resource investment can be reduced, the construction period of nuclear facility engineering is shortened, and economic efficiency is improved.

The invention discloses an air purification device and a control method, and relates to the field of air purification, and the air purification device comprises a shell, a polarity switching unit, a discharge electrode group and a cleaning electrode group; the discharge electrode group and the cleaning electrode group are both arranged in the shell; the discharge generation end of the discharge electrode group and the discharge generation end of the cleaning electrode group are both close to the airflow direction; the air flow circulates in a space between the discharge electrode group and the cleaning electrode group; the polarity switching unit is respectively connected with the discharge electrode group and the cleaning electrode group; the polarity switching unit is used for controlling the discharge electrode group to apply a first polarity voltage so as to generate a plasma electric field; and the polarity switching unit is also used for controlling the cleaning electrode group to apply reverse polarity voltage so as to generate an electric field for decomposing and stripping surface deposition of the discharge electrode group. The device realizes automatic cleaning and is suitable for heavy oil smoke scenes.

The invention is applicable to the technical field of data processing, and provides an air adaptive purification control method and device, terminal equipment and a storage medium, and the method realizes dynamic adaptive power adjustment by constructing a pollution gas coupling kinetic model. A historical concentration mean value, a nonlinear response mechanism and periodic change characteristic parameters are introduced into the model, low power can be kept in low pollution, the purification efficiency can be rapidly improved in high pollution, the pollution trend can be pre-judged, the power can be adjusted in advance, and energy waste is avoided. The multi-pollutant synergistic effect is considered, interaction of different gases is treated in a cross term mode, the purification priority is distributed according to hazard index differentiation, and energy consumption generated by excessive treatment of low-hazard pollutants is reduced. According to the method, dual-mode switching is achieved in combination with hazard index comparison, dynamic balance of energy consumption and the purification effect is achieved while the purification effect is guaranteed, compared with a traditional linear control and single pollutant treatment mode, energy consumption control is more intelligent and efficient, and energy consumption of the air purification system can be effectively reduced.

The invention relates to a cerium-based organic framework and polymerized carbon nitride photocatalytic composite material in the field of antibacterial materials, and a preparation method and antibacterial application thereof. During preparation of the composite material, cerium-containing rare earth metal salt and an organic ligand are dissolved in a polar organic solvent, an isometric ethylene glycol solvent is added, uniform mixing is performed, and the cerium-based organic framework and polymerized carbon nitride photocatalytic composite material is prepared. The yellow Ce-OFDC / PCN composite material is prepared by the following steps: firstly preparing Ce-OFDC powder, then transferring the Ce-OFDC powder into a reaction kettle for reaction, carrying out centrifugal separation and drying to obtain Ce-OFDC powder, then preparing PCN powder from melamine, finally mixing and dissolving the Ce-OFDC powder and the PCN powder in a DMA solution, stirring, then adding an ethylene glycol solution, carrying out reaction again, centrifugally collecting precipitates, washing, and carrying out vacuum drying to obtain the yellow Ce-OFDC / PCN composite material. The material has a good bacteriostatic effect. The method can be widely applied to food packaging, water treatment, air purification, textile cleaning and the like.

The invention belongs to the technical field of air purification equipment, and particularly relates to a movable air quality monitoring and purifying device which comprises an intelligent control assembly, a control panel, a movable shell, an air detection sensor assembly, a suction fan and a composite filter element. The composite filter element of the movable air quality monitoring and purifying equipment has a damp-proof function, the situation that the composite filter element is too moist to breed a large number of microorganisms, and consequently air purification fails is avoided, the use safety and reliability of the composite filter element can be improved, the use cycle of the composite filter element can be prolonged, and the service life of the composite filter element is prolonged. In addition, the movable air quality monitoring and purifying equipment further has the functions of automatic sterilization and indoor drying and automatic humidification, the living comfort of the purified indoor air environment is improved, the air purifying effect of the purifying equipment is improved, the body health of indoor personnel can be guaranteed, and the movable air quality monitoring and purifying equipment is suitable for popularization and application. And the use safety of the air purification equipment is further improved.