3182 results about "Air purification" patented technology

The invention provides an intelligent control method and system for air purification equipment. According to the method, multi-dimensional environment data, including pollutant three-dimensional space data captured by air purification equipment, real-time airflow velocity and concentration distribution, in an open type pollution environment are obtained, a pollutant distribution thermodynamic diagram is generated, and the multi-dimensional data and the thermodynamic diagram are jointly coded to form a pollution concentration gradient map. Meanwhile, a historical control strategy data set is collected, cross-environment matching is carried out on the historical control strategy data set and the atlas, and diversion control characteristics associated with the pollutant diffusion direction are extracted; on the basis of the mapping relation between the characteristics and the atlas, a dynamic flow guide parameter set is determined, an intelligent control instruction of the air purification equipment is finally generated, and directional airflow disturbance and air distribution optimization control over the high-concentration area are achieved. According to the technical scheme, the intelligent control efficiency and precision of the air purification equipment can be improved.

The invention relates to the technical field of constructional engineering, and discloses an intelligent ventilation and purification method and system for constructional engineering, and the method comprises the steps: 1, determining the concentration of pollutants in a building based on real-time air quality data, and calculating the required ventilation quantity meeting a preset standard; secondly, the fresh air introduction proportion is adjusted according to the indoor and outdoor temperature and humidity difference value so as to optimize energy consumption and thermal comfort balance; 3, according to the personnel distribution density, the local area air supply intensity is set, and the air circulation uniformity is ensured; fourthly, the system operation mode is regulated and controlled based on the working state of the air purification equipment, so that energy consumption is reduced, and the service life of the equipment is prolonged; the fresh air introduction proportion is intelligently adjusted by comparing indoor and outdoor temperature and humidity differences. For example, when the outdoor temperature and humidity are close to the indoor comfortable interval, the fresh air volume is increased to utilize natural cold and heat sources; when the outdoor environment is extreme, the fresh air volume is reduced, the heat recovery device is started, the air conditioner load is reduced, and energy waste is reduced.

The invention discloses an automatic medicine vending machine based on AI inquiry. The automatic medicine vending machine comprises a machine body, an intelligent interaction system, an AI inquiry system, a medicine storage bin, a control system, a payment system and a printing device. A constant-temperature and constant-humidity system and a disinfection and air purification module are arranged in the machine body. The intelligent interaction system collects symptom information in a multi-mode mode, and the AI inquiry system achieves symptom analysis, intelligent triage and personalized medication recommendation based on a medical knowledge graph and a natural language processing technology. The medicine storage bin carries a three-dimensional matrix type medicine cabinet and an intelligent inventory system, and intelligent replenishment is carried out through an LSTM algorithm. And the control system adopts a controller and triple verification to realize high-precision medicine discharging operation. The payment system supports multiple settlement modes and block chain evidence storage data. And the printing device outputs the medication guide sheet and the anti-counterfeit label. According to the invention, AI and automation technologies are deeply integrated, the service of less than or equal to 3 minutes in the whole process of inquiry-payment-medicine dispensing is realized, and the safety and convenience of medicine use are improved.

The invention provides laboratory air purification equipment with a filter element dust removal function, and relates to the technical field of air purification. A driving mechanism is mounted in the mounting mechanism; a vibration mechanism is mounted in the mounting mechanism; a filtering mechanism is mounted in the mounting mechanism; a collecting part is mounted in the mounting mechanism, a clamping ring of the collecting part is inserted into a clamping groove of the mounting box body, a telescopic rod drives a driving motor to descend and meanwhile drives a connecting disc to descend, so that a columnar protrusion on the lower end face of the connecting disc is inserted into a limiting groove of a first vibration part, and the first vibration part is driven by the driving motor to rotate; the stirring piece of the first vibration piece and the stirring piece of the second vibration piece stir each other, the filter element generates high-frequency vibration, dust attached to the filter element is shaken off, and the problems that according to traditional air purification equipment, workers need to open the equipment to conduct dust removal and cleaning on the filter element, operation is troublesome, and a large amount of time is wasted are solved.

The invention relates to the technical field of air purification, and discloses an air purification adsorption device for a photogravure press, the air purification adsorption device comprises a waste gas treatment tank, the bottom end of the waste gas treatment tank is rotatably connected with a main shaft, and the circumferential surface of the main shaft is fixedly connected with an activated carbon filter plate; an inorganic filtering device for filtering inorganic particles is arranged in the waste gas treatment tank, and an organic desorption device for heating, desorbing and recycling organic matters is arranged on the outer side of the waste gas treatment tank. The activated carbon filter plate rotates to increase the contact area with the desorption agent, so that the desorption effect is improved, the desorption agent in the scattering cavity is intermittently scattered, the situation that the desorption agent cannot be uniformly and comprehensively scattered on the activated carbon filter plate due to the fact that the desorption agent is quickly scattered is prevented, and the desorption efficiency is improved after the activated carbon filter plate is in uniform contact with the desorption agent.

The invention discloses a dust removal and air purification device for container plywood processing, and relates to the technical field of plywood processing. The dust removal and air purification device for container plywood processing comprises a bottom bin, an input pipeline is assembled on the side face of the bottom bin, and a dust discharge pipeline is assembled at the bottom of the bottom bin; the top bin is assembled on the bottom bin through threads, and a filter plate is assembled at the bottom of the top bin through bolts; a power rod is assembled in the top bin, and a cleaning brush is assembled on the side face of the power rod. According to the dust removal and air purification device for container plywood processing, when the bottom of a filter plate is full of dust due to long-term use, a power rod is started and rapidly rotates, a cleaning brush and a rotating bin are driven to rapidly rotate together, and a first hydraulic bin, a first arc-shaped rod, a second arc-shaped rod, a first spring, a second hydraulic bin, a first stress rod, a second spring, a third hydraulic bin, a first hose and an extrusion plate are matched; an extra force is applied to the cleaning brush during cleaning, so that the dust removal and air purification efficiency of the device is improved.

The invention relates to a thermal active volatilization device and a portable volatilization system, and belongs to the technical field of volatile liquid diffusion devices. Comprising an electric heating core rod; the volatilization core rod is provided with an inner cavity, and the control circuit is connected with the power supply and used for controlling charging and discharging of the power supply; the power supply and the control circuit are arranged in the battery cabin; the output end of the control circuit is electrically connected with the electric heating core rod; in the using state, the electric heating core rod is arranged in the inner cavity of the volatilization core rod. Through the synergistic effect of continuous heat energy supply and inner cavity design, the device can achieve rapid volatilization and uniform diffusion of liquid within a short time, and the requirements of various application scenes such as insect repelling, fragrance diffusion or air purification are met.

The invention discloses a local space oxygen enrichment control system and method based on an oxygen selective permeable membrane, belongs to the technical field of air purification, environment control and membrane separation, and aims to solve the problems that the indoor oxygen concentration cannot be actively and efficiently increased and compact integration is difficult in the prior art. The system integrates an outdoor fresh air fan, a switching valve, an oxygen enrichment membrane device, an air pump, an indoor air return and supply fan, a gas monitoring control unit, an outdoor exhaust fan and the like, and a control unit dynamically regulates and controls a switching valve passage, the rotating speed of each fan and start and stop of the air pump according to the difference between oxygen sensor data and preset target oxygen concentration; air selectively passes through the oxygen-enriched membrane device to generate oxygen-enriched air or is fed into a room through a bypass air path, and the indoor oxygen concentration is actively stabilized at 21%-26%. The system is suitable for local spaces such as residences and offices, active oxygen enrichment and environment control can be achieved, the air quality is improved, and meanwhile low energy consumption, safety and comfort are taken into account.

The invention relates to the technical field of air purification, and discloses a control method of an air purification device, a control device, computer equipment and a storage medium, the air purification device comprises a machine body and a laser lamp assembly arranged on the machine body, the laser lamp assembly comprises a laser lamp and a driving structure capable of driving the laser lamp to move, and the driving structure comprises a stepping motor; the control method comprises the steps that parameters are set and comprise at least one of A, B and C, A represents the rotating direction of a stepping motor, B represents the rotating speed of the stepping motor, and C represents the lighting state of a laser lamp; if the cat teasing function is started, randomly selecting parameter values at intervals t, and controlling the stepping motor and the laser lamp to work according to the randomly selected parameter values. The laser lamp rotates or lights irregularly, so that the laser track projected by the laser lamp changes irregularly, and the interactive entertainment and interestingness with the pet can be enhanced.

The invention relates to the field of air conditioning and purification, in particular to a low-radiation plasma air purification generator and a control system thereof.According to the low-radiation plasma air purification generator and the control system thereof, through the structural design that the intensity of a three-level gradient electric field is gradually enhanced in the gas flowing direction, and in combination with an extended contact path of an S-shaped purification air duct, the air purification efficiency is improved; the reaction time and action intensity of plasma and pollutants are effectively improved, operation information is collected in real time, quantitative analysis is carried out, and operation of the air purification generator is subjected to standardized control, so that operation of the air purification generator can be automatically adjusted; the operation effect of the air purification generator is improved, ionizing radiation and ozone generation are restrained, and the air purification generator is prevented from damaging surrounding electronic equipment and the body health of people.

The invention relates to the technical field of air purification, and discloses a negative oxygen ion generator and a method thereof.The negative oxygen ion generator comprises an external shell used for providing installation positions for related parts; the power supply input module is mounted in the external shell, is internally provided with a filtering unit, and is used for receiving external direct current; the direct current and alternating current inversion module is electrically connected with the output end of the power supply input module, is internally provided with a switch assembly and is used for converting the direct current into high-frequency alternating current; a primary winding, a secondary winding and a feedback winding are arranged in the boosting transformer. A boosting transformer is arranged between a direct current and alternating current inversion module and a high-voltage double-voltage rectification module, so that the voltage is effectively boosted, more importantly, the magnetic field coupling characteristics of a primary winding and a secondary winding are utilized, reliable electrical isolation is constructed, and a physical path from a high-voltage side circuit to a low-voltage side circuit is blocked.

The invention provides an electrode plate, a dust collection assembly and air purification equipment, the electrode plate is used for the dust collection assembly, the electrode plate is a flexible electrode plate, the electrode plate comprises a flexible insulating layer, and a plurality of limiting parts arranged at intervals are arranged on the flexible insulating layer; and the conductive layer is arranged on one side of the flexible insulating layer and is connected with the flexible insulating layer. According to the electrode plate provided by the invention, enough spacing is provided between the adjacent conductive layers, the spacing between the adjacent conductive layers is ensured to be fixed, contact between the adjacent conductive layers is avoided, the stability of an electric field generated by the electrode plate is further ensured, adsorption of media such as dust is realized, and the electrode plate does not need to be fixed by additionally arranging a clamping strip or applying a hot melt adhesive; the process difficulty and the processing cost of the dust collection assembly are greatly reduced, the appearance of the dust collection assembly is not affected, meanwhile, the spacing between the adjacent conductive layers is increased due to the arrangement of the limiting parts, the dust collection area of the dust collection assembly is further increased, and the dust removal, sterilization and disinfection effects are improved.

The utility model 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 is provided with 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 accommodated and stored, indoor environment air can be purified, and the like.

The ventilation design system is characterized in that the ventilation design system comprises an intelligent sensor module, an efficient ventilation device, an air purification module and an intelligent control center; the intelligent sensor modules are distributed in a ventilation area in a plant and used for monitoring temperature, humidity and air quality parameters in real time. The efficient air interchanger is arranged on the top and the side wall of a plant and is designed in a streamline mode. The air purification module is arranged in the air interchanger and is used for filtering dust and harmful gas in the air; the intelligent control center automatically adjusts the operation state of the ventilation device according to data of the sensor. According to the ventilation design system applied to the factory building, streamline design and a modular combination mode are adopted, airflow organization is optimized, ventilation dead angles are eliminated, the ventilation efficiency is improved, ventilation requirements are predicted through an intelligent control algorithm and big data analysis, and unnecessary energy consumption is avoided.

The invention discloses a mine local ventilation and cooling system and method based on liquid air, and relates to the technical field of mine environment control, and the mine local ventilation and cooling system comprises an intelligent conveying pipeline, an intelligent multi-mode release device, an air purification and energy recovery device and a mine environment self-adaptive monitoring and control system; the intelligent conveying pipeline comprises a multi-layer composite heat insulation structure and an intelligent control module, and the intelligent control module comprises a temperature sensor, a pressure sensor and a flow sensor and is used for monitoring and adjusting the conveying state of liquid air in real time. The intelligent multi-mode release device comprises an intelligent release device with plasma vaporization, ultrasonic nanometer atomization and vortex synergistic functions, through the steps of the intelligent multi-mode release device, efficient conversion and accurate distribution of liquid air from storage to a working face are achieved, the airflow speed and direction are adjusted in real time according to mine environment parameters, and the intelligent multi-mode release device has the advantages of being simple in structure and convenient to use. The uniform distribution and local cooling effect of fresh air are ensured, and the air quality of an operation area is improved.

The invention relates to the technical field of air purification, in particular to an operating room negative pressure purification air conditioning system and gradient air pressure control equipment. The system comprises a local air supply module, an air return wall, gradient air pressure equipment, a frequency conversion fan and an air distribution module, wherein a filter module is arranged at an air inlet of the frequency conversion fan; the local air supply module is installed above an operating table and provided with a vertically-downward first air outlet and an obliquely-arranged second air outlet. Through the design of double air outlets of the local air supply module, the high cleanliness of an operation area is maintained, the basic cleanliness of a medical care area is maintained, the cross infection risk is reduced, meanwhile, the air volume distribution module dynamically adjusts the air volume according to the operation stage (incision stage / suture stage), energy waste caused by global uniform air supply is avoided, and the operation efficiency is improved. And a three-stage adjusting cabin structure of the gradient wind pressure equipment is used for preliminarily optimizing the air flow, so that the pressure difference fluctuation when the negative pressure in the operating room is adjusted is reduced.

The invention relates to the field of smart home, and particularly provides an air purification device, method and equipment, a storage medium and a product. The device comprises a position detection module, an animal attraction module and an air purification module; the position detection module is used for detecting the real-time position of the target animal; the animal attraction module is used for sending attraction information interested by a target animal, and the attraction information comprises at least one of sound information, light information and smell information; and the air purification module is used for purifying surrounding air according to the real-time position and the attraction information. By means of the device, the effect of improving the efficiency of the air purification process can be achieved.

The invention discloses a workshop air purification dehumidifier, and belongs to the technical field of dehumidification, the workshop air purification dehumidifier comprises a machine body, the machine body is provided with a through air cabinet pipe, the air cabinet pipe is internally provided with a ventilation pipe, one end of the air cabinet pipe is provided with a fan matched with the ventilation pipe, the other end of the air cabinet pipe is provided with an air inlet, and the air cabinet pipe is internally provided with a transition mechanism; and a pre-cleaning mechanism is arranged in the ventilation pipe. According to the device, through the passing groove defined by the air inlet and the adjusting blocks and the design of multiple sections of different diameters of the ventilation pipe, a section of Venturi pipeline with the inlet shrunk and then gradually enlarged is formed from the air inlet to the ventilation pipe, on the premise that the power of the fan is not increased, the air inlet flow is accelerated, kinetic energy is converted into negative pressure energy through the Bernoulli effect, and the energy efficiency is improved. The high-speed low-pressure area of the throat remarkably increases the suction force at the inlet of the air inlet, and the suction efficiency of heavy impurities such as water vapor suspended in a workshop is improved, so that the overall purification efficiency is improved.

The invention relates to the technical field of air purification, in particular to a negative oxygen ion dynamic air purification strategy and system.The negative oxygen ion dynamic air purification strategy comprises the following steps that on the basis of linkage of particulate matter concentration and multiple environmental parameters, influences of airflow, pressure, temperature and humidity and personnel flow on particulate matter distribution are analyzed, and formaldehyde and harmful gas parameter fluctuation trends are combined; pollution changes and equipment response grades are judged, the release path, frequency and power of the negative oxygen ion generator are adjusted, and ion release adjustment parameters are output. Data such as multi-element particulate matter concentration, airflow state, environmental pressure, temperature and humidity, personnel flow and the like cooperatively participate in monitoring and judgment, particulate matter grading characteristics are linked in real time through environmental dynamic factors, fluctuation trends of multiple pollutants in air are jointly calculated, high-risk change stages are actively recognized, purification response grades are dynamically output, and the purification effect is improved. The ion release direction and power are adjusted in an automatic linkage mode, the purification response changes along with space pollution hot spots, and diversified pollution distribution scenes are effectively covered.

The invention discloses a liquid air energy storage system based on air separation, which is characterized by comprising an air purification unit, an energy storage unit, an air rectification unit and an LNG (Liquefied Natural Gas) cold supply unit, wherein the air purification unit comprises an air filter, an air compressor, a first cooler, an adsorber and a first heater, and the energy storage unit comprises a first liquid separation tank, a liquid air storage tank, a liquid air pump and an air expansion machine. The air rectification unit comprises a rectification tower, a main cold box, a second liquid separation tank, a second subcooler, a first heat exchanger, a liquid nitrogen storage tank, a liquid oxygen storage tank, a second heat exchanger, an argon rectification system and a liquid argon storage tank; and the LNG cold supply unit comprises a first nitrogen supercharger, a second nitrogen supercharger, an LNG cold box and a first subcooler. The system has the functions of air separation and electric energy storage at the same time, and cold energy of the LNG receiving station is fully utilized for air separation and energy storage to participate in construction of a novel power system of a power grid.

The invention relates to the technical field of environment control, in particular to a cold and heat source environment control method and device with an air purification function, and the method comprises the steps: collecting various parameters through a sensor network, and carrying out the data fusion based on a decision rule base to select a dominant working mode; corresponding air treatment operation is executed, and a composite energy-saving strategy including precooling optimization and phase change latent heat assistance is triggered under the refrigeration working condition; fuzzy control and machine learning are applied to optimize system output and predict load, and a decision rule base and algorithm parameters are updated through self-learning; air supply and exhaust power is controlled to maintain the negative pressure gradient of the key area, and an air path distribution mechanism is adjusted to organize a one-way air flow line; the device comprises an intelligent control module, a sensor group, a fresh air module, a purification module, a cold and heat source module, a bypass pipeline and an air path distribution mechanism. The problems that an existing system is poor in function collaboration, low in energy efficiency and unreasonable in airflow organization are solved, and intelligent decision making, deep energy saving and accurate environment control are achieved.

The invention discloses a passenger car AQS intelligent air quality management system and a control method thereof, and the system comprises an in-car PM2.5 sensor, an in-car CO2 sensor, an in-car VOCs sensor, an in-car temperature and humidity sensor and an in-car particulate matter particle size sensor. The in-vehicle PM2.5 sensor, the in-vehicle CO2 sensor, the in-vehicle VOCs sensor, the in-vehicle temperature and humidity sensor and the in-vehicle particulate matter particle size sensor are connected to the controller, and the controller is further connected with an air purification module, a ventilation fan and an air conditioning system. Dynamic cooperative monitoring of multiple pollutants (PM2.5, CO2, VOCs, temperature and humidity, ultraviolet intensity and particle size distribution) is achieved, the comprehensive air quality index in the vehicle is automatically adjusted according to monitored data, the air quality in the vehicle is greatly improved, six indexes such as PM2.5, CO2 and VOCs can be monitored in real time, energy is saved by 30% or above compared with a traditional scheme, CO2 response time is shortened by 82.2%, and the system is suitable for popularization and application. The PM2.5 purification efficiency is improved by 27.3%, an air conditioning system is adjusted according to needs, and more energy is saved.

The invention relates to the technical field of elevator cars, and provides an elevator car air purification constant pressure device which comprises an air pressure sensor and a controller in signal connection with the air pressure sensor and further comprises a shell, a first conical cover is fixed to one end of the shell, and a second conical cover is fixed to the other end of the shell. The first conical cover and the second conical cover are used for alternately filtering air entering the elevator car; cleaning mechanisms are arranged outside the first conical cover and the second conical cover; a supporting part is fixed in the shell; seamless connection of filtering and cleaning is achieved through the alternate working mode of the first conical cover and the second conical cover, when the air pressure of the conical cover on one side is reduced due to dust accumulation, the pneumatic component is automatically switched to the other side to continue to supply air, it is ensured that the air pressure in the elevator car is constant, and the safety is improved. And the problem of ventilation interruption caused by shutdown maintenance of traditional single-filter-element equipment is avoided.

1. Name of the design product: Air purification fan (radar disk). 2. Use of the design product: For air disinfection and sterilization. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view 1.

The invention discloses a water ion generation method and device based on atomization and discharge plasmas, and is characterized in that the method adopts a method of synergistic effect of atomized liquid drops and discharge plasmas, water ion particles are efficiently generated through the synergistic effect of the atomized liquid drops and the discharge plasmas, and the method specifically comprises the treatment steps of atomization, discharge and the like. The water ion generation device comprises an atomization module, a discharge module, a barrier layer electrode group and a control module. Compared with the prior art, water ion particles are efficiently generated through the synergistic effect of atomized liquid drops and discharge plasma, so that water ions and the technology thereof can be widely applied to the fields of air purification, beauty and hairdressing, sterilization and disinfection and the like, and good application prospects and commercial development values are achieved.

The invention provides a waste gas treatment device for ion exchange resin production, and belongs to the technical field of air purification, the waste gas treatment device comprises a purification box, two connecting pipes are symmetrically arranged on the outer surface of the purification box, an activated carbon bag taking-out assembly is embedded in the purification box, and the activated carbon bag taking-out assembly comprises an insertion hole formed in the center of one surface of the purification box; four restraining openings are symmetrically reserved in the inner surface of the inserting hole, an outer fixing cylinder is embedded in the inserting hole, restraining strips are arranged at the positions, close to the inner sides of the restraining openings, of the outer surface of the outer fixing cylinder, and the restraining openings are matched with the restraining strips; through mutual cooperation of the activated carbon bag taking-out assembly and the magnetic disc, the activated carbon bag can be taken out in a sealed state, tail gas in the activated carbon bag is prevented from overflowing, the purification box is sealed after the activated carbon bag is taken out, unpurified tail gas in the purification box is prevented from overflowing, and the breathing safety of workers is guaranteed.

The utility model discloses a pulse back-blowing dust remover which comprises a shell, a dust removal unit is arranged in the middle of the shell, a dust removal assembly used for filtering dust is arranged in the dust removal unit, a dust removal subarea is arranged above the dust removal unit, airflow enters the dust removal subarea through the dust removal assembly, and the dust removal subarea is communicated with an exhaust pipeline through a stop valve. The side face of the shell is provided with an air inlet communicated with the air purification chamber, the air inlet is provided with an inwards-opened air door, the air door comprises a door plate, the upper end side of the door plate is hinged to the shell, the door plate is provided with a balance weight and a sealing strip, and closing and sealing of the air door can be achieved by means of self weight. A position sensor is arranged at the door plate to detect opening and closing and opening degree of the door plate, a pulse blowing assembly is arranged above the dust removal unit, the position of the door plate is sensed through the position sensor, and opening or closing of a stop valve and pulse back blowing are controlled. And high-pressure air is saved, the ash removal capability is high, the dust removal efficiency is high, the energy consumption is low, and the operation is stable and reliable.

The invention relates to the technical field of air purification, in particular to an air purification method and system based on an ion air supply technology. The method comprises the following steps of obtaining target area data and reconstructing a spatial model, performing block division, determining virtual layout nodes and performing layout rehearsal, obtaining a unit layout topological structure through spatial node dynamic clustering and redundancy elimination, performing ion air supply action range superposition simulation, analyzing action range collaborative enabling parameters, and performing layout rehearsal on the basis of the action range collaborative enabling parameters. Ion transmission is monitored in real time, diffusion path tracking and blind area correction are carried out, heterogeneous response unit dynamic coupling and purification intensity boundary migration are achieved, adjustment simulation is carried out based on adjustment of purification intensity, feedback data are collected, coordination control is carried out through an air purification threshold value, and intelligent air purification is achieved. According to the invention, the air purification process is accurately controlled and optimized, the purification efficiency is improved, the energy consumption is reduced, and a technical guarantee is provided for efficient and intelligent air purification.

The present invention relates to the technical field of air purification, and particularly relates to a circulating air purification and sterilization device, including a main body. The main body is provided with a treatment tank, an air passing cavity and a sterilization cavity. The air passing cavity is communicated with the treatment tank. The main body is rotatably connected through a bearing to a main shaft. The inner bottom wall of the treatment tank is rotatably connected through a bearing to a rotating seat. The inner bottom wall of the treatment tank is fixedly connected with a column. The column is of a hollow structure and its top wall is fixedly connected through penetration with a first pipe. A plurality of through holes are provided on the side wall of the column. The column is slidably connected through penetration with a filter element. A driving mechanism is arranged in the main body. The driving mechanism is composed of a pneumatic component and a sensing and control component, and is used for driving the whole device. The advantages are as follows: The device of the present invention can automatically monitor the usage condition of the filter element, automatically clean it when it is blocked, ensure the normal use of the filter element, increase the service life of the filter element, avoid frequent replacement, and at the same time, the sterilization effect is more thorough.

The invention discloses a vehicle-mounted oxygen production and air purification control method and system based on multi-sensor cooperation, and relates to the technical field of vehicle-mounted environment control, the oxygen concentration, PM2.5 concentration and AQS grade inside and outside a vehicle are detected in real time, and a vehicle state signal is obtained; judging whether an oxygen generator is started or not according to comparison between the in-vehicle oxygen concentration and the minimum oxygen concentration threshold value; if the oxygen generator is started, the oxygen generator circulation mode and the air purifier operation mode are switched according to the PM2.5 concentration inside and outside the vehicle and the AQS grade, and in the oxygen generation and air purification process under the mode operation, the oxygen generation flow and the air purification power are subjected to coupling regulation and control according to the PM2.5 concentration and the oxygen concentration inside the vehicle; meanwhile, safety protection regulation and control are carried out in combination with vehicle state signals; otherwise, detection and judgment at the next moment are carried out. The system energy efficiency can be improved, the oxygen concentration fluctuation is reduced, the safety performance is improved, and the user experience is improved.