CN111692649A - Air purification, sterilization and disinfection treatment system and method - Google Patents
Air purification, sterilization and disinfection treatment system and method Download PDFInfo
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- CN111692649A CN111692649A CN202010567356.9A CN202010567356A CN111692649A CN 111692649 A CN111692649 A CN 111692649A CN 202010567356 A CN202010567356 A CN 202010567356A CN 111692649 A CN111692649 A CN 111692649A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The embodiment of the invention discloses an air purification, sterilization and disinfection treatment system and a method thereof, wherein the system comprises: first oxidative decomposition disinfection static electret adsorption and filtration unit, second oxidative decomposition disinfection static electret adsorption and filtration unit, full heat exchanger, fan, oxidative decomposition disinfection static electret adsorption and filtration unit that disinfects includes oxidative decomposition disinfection degassing unit, static electret device, adsorption and filtration device and intelligent control device that disinfects, intelligent control device is used for control the back is closed to the fan, opens oxidative decomposition degassing unit that disinfects, after the oxidative decomposition disinfection that disinfects finishes, closes oxidative decomposition degassing unit that disinfects to control system gets into to pause or waits for the operation instruction state. The scheme realizes the filtration of gas and the killing of virus and bacteria with high efficiency and low cost.
Description
Technical Field
The embodiment of the application relates to the technical field of air treatment, in particular to an air purification, sterilization and disinfection treatment system and method.
Background
In the use process of a split air conditioner (cabinet type and wall-mounted indoor unit) and a fresh air system, indoor air passes through an exhaust filter, particles such as dust and the like in the indoor air are filtered, then the indoor air enters a total heat exchanger to be subjected to heat exchange with fresh air after primary and intermediate effect filtering, the exhaust air absorbs (emits) heat and then is exhausted out of a building by an exhaust fan, and the fresh air is sent into the building by a fresh air fan at a state point close to the indoor air after emitting (absorbing) heat.
The main reasons that the existing split air conditioners (cabinet type and wall-mounted indoor units) and fresh air handling units are difficult to configure with an effective air sterilization and disinfection system are as follows: the exhaust air filter has a low filtering grade, PM2.5 pollutant particles cannot be removed through a filtering means, and in addition, an effective air sterilization and disinfection system is difficult to implement in a common fresh air handling unit through an automatic scheme due to safety considerations no matter a chemical method or a physical method is adopted. To achieve complete sterilization, it is necessary: the concentration of the disinfecting substance, or the intensity of the disinfecting radiation; the contact (residence) time of the air flow in the space of the sterilizing and disinfecting device. The ultraviolet ray has stronger sterilization and disinfection capability, but to achieve effective sterilization and disinfection effect, the power of the ultraviolet lamp is enough, the space volume of the equipment is larger, and the space volume is difficult to realize in the dynamic air treatment process, so that the ultraviolet lamp cannot be applied to a fresh air handling unit and a split air conditioner which are required to have smaller volume.
Disclosure of Invention
The embodiment of the invention provides an air purification, sterilization and disinfection treatment system and method, which can be used for effectively adsorbing, oxidizing and decomposing VOCs (volatile organic compounds) in air of a split air conditioner (cabinet type and wall-mounted indoor unit) and a fresh air handling unit and effectively killing bacteria and viruses in the system, so that the uniformity of the oxidizing, decomposing, sterilizing and disinfecting strength and the retention time is realized, the modularized oxidizing, decomposing, sterilizing and disinfecting device is small in operating power and low in system energy consumption, and the perfect combination of the traditional air purification and oxidizing, decomposing, sterilizing and disinfecting is realized.
In a first aspect, an embodiment of the present invention provides an air purification, sterilization and disinfection processing system, which includes: the first oxidative decomposition sterilization static electret adsorption filtration unit, the second oxidative decomposition sterilization static electret adsorption filtration unit, the total heat exchanger, the fan, the first oxidative decomposition sterilization static electret adsorption filtration unit and the second oxidative decomposition sterilization static electret adsorption filtration unit respectively comprise an oxidative decomposition sterilization disinfection device, a static electret device, an adsorption filtration device and an intelligent control device, the first oxidative decomposition sterilization static electret adsorption filtration unit is used for adsorbing, filtering and purifying the entering outdoor fresh air and sterilizing and disinfecting the bacteria and viruses on the filter material, the second oxidative decomposition sterilization static electret adsorption filtration unit is used for adsorbing and filtering the indoor exhaust air and sterilizing and disinfecting the bacteria and viruses on the filter material, the full heat exchanger is used for exchanging heat of outdoor fresh air and indoor exhaust air after adsorption, filtration and purification treatment, the fan is used for respectively sending gas after heat exchange adjustment into an internal space and discharging the gas outdoors, the intelligent control device is used for controlling the fan to be closed, then the oxidative decomposition sterilization disinfection device is opened, after the oxidative decomposition sterilization disinfection is finished, the oxidative decomposition sterilization disinfection device is closed, and the system is controlled to enter a pause or waiting operation instruction state.
Optionally, the oxidative decomposition sterilization and disinfection device is configured to perform oxidative decomposition on the VOCs molecules adsorbed by the adsorption and filtration device, and kill bacteria and viruses adsorbed and blocked on the adsorption and filtration material, the electrostatic electret device is configured to perform electrostatic electret treatment on the adsorption and filtration device, and the adsorption and filtration device is configured to filter dust particles in air and bacteria and viruses attached to the dust particles and aerosol.
Optionally, the air purification disinfection processing system that disinfects still includes sensor detecting element, is used for detecting the concentration of adsorbing dust particle and the bacterium virus of separation on adsorption and filtration material, intelligent control device is used for according to the concentration of bacterium virus is opened oxidative decomposition degassing unit that disinfects, finishes when oxidative decomposition disinfection, closes oxidative decomposition degassing unit that disinfects to control system gets into and pauses or waits for the operation instruction state.
Optionally, the intelligent control device includes:
the positioning module is used for acquiring the current position information or the place information of the air purification, sterilization and disinfection treatment system;
and the positioning processing module is used for determining a corresponding fan control strategy according to the current position information or the place information, starting the oxidative decomposition sterilization device according to the fan control strategy, closing the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state.
Optionally, the intelligent control device includes:
the signal receiving module is used for receiving a control instruction of external control equipment;
and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result.
Optionally, the intelligent control device is used for automatically controlling and opening in a first preset time period, the oxidative decomposition sterilization device carries out oxidative decomposition sterilization and disinfection and closes the air feeder of the air supply unit, and automatically closes in a second preset time period, the oxidative decomposition sterilization and disinfection of the oxidative decomposition sterilization and disinfection device enter a pause or waiting operation instruction state.
Optionally, the intelligent control device further includes:
the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time;
the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time.
Optionally, the adsorption filtration device comprises: the electrostatic electret device comprises an electrostatic generator and an electrostatic electret net and is used for performing electrostatic electret treatment on the electret filtering material in the adsorption filtering device.
In a second aspect, an embodiment of the present invention further provides an air purification, sterilization and disinfection processing system, including: the air conditioner comprises an evaporator, a fan, an air return inlet, an air outlet, an air conditioner body and an oxidative decomposition sterilization static electret adsorption and filtration unit, wherein the oxidative decomposition sterilization static electret adsorption and filtration unit is arranged at the air return inlet or integrated in the air conditioner body and comprises an oxidative decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filtration device and killing bacteria and viruses adsorbed and blocked on adsorption filtration materials, the static electret device is used for carrying out static electret treatment on the adsorption filtration device so as to keep good static adsorption performance all the time, and the adsorption filtration device is used for filtering dust particles in air and bacteria and viruses adhered on the dust particles and aerosol, the intelligent control device is used for controlling the fan to be closed, then the oxidative decomposition sterilization device is started, when the oxidative decomposition sterilization is finished, the oxidative decomposition sterilization device is closed, and the system is controlled to enter a pause or waiting running instruction state.
In a third aspect, an embodiment of the present invention provides an air purification, sterilization and disinfection processing method, including:
the first oxidative decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the entering outdoor fresh air;
the second oxidation decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the indoor exhaust air entering, the first oxidation decomposition sterilization static electret adsorption filtration unit and the second oxidation decomposition sterilization static electret adsorption filtration unit respectively comprise an oxidation decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidation decomposition sterilization device is used for carrying out oxidation decomposition on VOCs molecules adsorbed by the adsorption filtration device and killing bacteria and viruses on adsorption filtration materials, the static electret device is used for carrying out static electret treatment on the adsorption filtration device, so that the adsorption filtration device always keeps good static adsorption performance, and the adsorption filtration device is used for filtering dust particles in the air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the fan to be closed, then starting the oxidative decomposition sterilization device, and after the oxidative decomposition sterilization is finished, closing the oxidative decomposition sterilization device and controlling the system to enter a pause or waiting operation instruction state;
the total heat exchanger exchanges heat of the purified, sterilized and disinfected outdoor fresh air and indoor exhaust air;
the fans respectively send the gas after heat exchange regulation into the internal space and the exhaust chamber.
According to the scheme, the air purification, sterilization and disinfection treatment system adopts an optimized purification technology for indoor air containing dust, PM2.5 micro dust and virus and bacteria, so that the purification quality requirement is met; can effectively prevent cross infection and ensure the health and safety of personnel. A brand-new sterilization and disinfection idea of the fresh air handling unit is creatively provided. Through the dynamic filtration, adsorption and purification and static sterilization and disinfection fresh air handling unit, the air in the room is optimally purified, and healthy and safe fresh air is provided for active people in the room. Compared with the existing fresh air handling unit, the fresh air handling unit has the functions of sterilization and disinfection while effectively solving the filtering and purifying functions of the fresh air handling unit; the cross infection is avoided, the common fresh air unit is of a total heat exchange type, indoor exhaust air and fresh air are subjected to total heat exchange, and pathogens such as bacteria, viruses and the like can enter the fresh air from the exhaust air in the heat and humidity exchange process, so that the pathogens enter a public space again and can cause cross infection; the energy consumption of the system is reduced to the maximum extent through intelligent control; modular structure improves equipment production and installation efficiency.
Drawings
FIG. 1 is a block diagram schematically illustrating an air purification, sterilization, disinfection and treatment system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an electrostatic electret adsorption filtration unit for oxidative decomposition sterilization and disinfection provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another electrostatic electret adsorption filter unit for oxidative decomposition sterilization and disinfection provided by an embodiment of the invention;
FIG. 4 is a block diagram schematically illustrating another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention;
FIG. 5 is a block diagram schematically illustrating another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention;
FIG. 6 is a block diagram schematically illustrating another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention;
fig. 7 is a flowchart of an air purification, sterilization and disinfection method according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad invention. It should be further noted that, for convenience of description, only some structures, not all structures, relating to the embodiments of the present invention are shown in the drawings.
Aiming at the defects of the existing fresh air system introduced in the background technology and the symptoms which cannot be solved by the traditional thinking of the sterilization and disinfection idea of the existing fresh air unit, the scheme provides an air purification, sterilization and disinfection treatment system and method in the fields of dynamic filtration, adsorption and purification, static sterilization and disinfection air treatment or ventilation and air exchange, and the specific description is as follows.
Fig. 1 is a schematic structural block diagram of an air purification, sterilization and disinfection system according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of an oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit according to an embodiment of the present invention, which is applicable to a fresh air system, as shown in fig. 1 and fig. 2, the system includes a first oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit 100, a second oxidative decomposition, sterilization and disinfection electrostatic electret adsorption and filtration unit 200, a total heat exchanger 300, and a fan (in the figure, the fan includes a blower 401 and a blower 402).
The first oxidative decomposition sterilization static electret adsorption filtration unit 100 is used for purifying, sterilizing and disinfecting the entering outdoor fresh air, and the second oxidative decomposition sterilization static electret adsorption filtration unit 200 is used for purifying, sterilizing and disinfecting the entering indoor exhaust air.
First oxidative decomposition sterilization static electret adsorption filtration unit 100 and second oxidative decomposition sterilization static electret adsorption filtration unit 200 are equallyd divide and are included oxidative decomposition sterilization degassing unit 101, static electret 102, adsorption filtration device 103 and intelligent control device (not shown in the figure), full heat exchanger 300 is used for carrying out the heat exchange to outdoor new trend and indoor exhaust after the purification sterilization disinfection processing, utilize the fan to send the gas after the heat exchange regulation into the inner space and get rid of outdoor respectively, intelligent control device is used for control after the fan is closed, open oxidative decomposition sterilization degassing unit closes after oxidative decomposition sterilization degassing unit finishes to control system gets into and pauses or waits for the operation instruction state. Wherein, this intelligent control device can integrate in the central control board of fresh air handling unit system, and it and oxidative decomposition disinfect disinfection static electret adsorption and filtration unit 100's other device electric connection, this intelligent control device also can integrate to set up in oxidative decomposition disinfection static electret adsorption and filtration unit 100's arbitrary part.
The oxidative decomposition sterilization and disinfection device is used for performing oxidative decomposition on VOCs molecules adsorbed by the adsorption and filtration device and killing bacteria and viruses adsorbed and blocked on the adsorption and filtration material, the electrostatic electret device is used for performing electrostatic electret treatment on the adsorption and filtration device to enable the adsorption and filtration device to keep good electrostatic adsorption performance all the time, and the adsorption and filtration device is used for filtering dust particles in air and bacteria and viruses attached to the dust particles and aerosol.
In one embodiment, the specific structure of the oxidative decomposition sterilization electrostatic precipitation filtration unit 100 is shown in fig. 3, and fig. 3 is a schematic structural view of another oxidative decomposition sterilization electrostatic precipitation filtration unit according to an embodiment of the present invention. Specifically, the oxidative decomposition sterilization apparatus 101 may be an oxidative decomposition sterilization apparatus using an ultraviolet light structure or/and a microwave ultraviolet light structure with a specific wavelength, the ultraviolet light oxidative decomposition sterilization apparatus includes an ultraviolet lamp or/and a microwave ultraviolet lamp and a power supply or/and a microwave excitation power supply, when the power supply is powered on, the ultraviolet oxidative decomposition sterilization apparatus lights up, and performs oxidative decomposition on VOCs molecules adsorbed and blocked in the adsorption filter material by the adsorption filter apparatus 103, to kill bacteria and viruses adsorbed and blocked in the adsorption filter material. The ultraviolet oxidative decomposition sterilization device is provided with the ultraviolet oxidative decomposition sterilization lamp and the power supply system with enough energy according to the air treatment scale, so that VOCs molecules adsorbed and blocked in the adsorption filtering material are subjected to oxidative decomposition in set time under the condition that the system is started, and bacteria and viruses adsorbed and blocked on the surface and in the inner pores of the filtering material are effectively killed.
The electrostatic electret device 102 is composed of an electrostatic electret 1021 and an electrostatic electret mesh 1022, and the adsorption filter device 103 includes an electret filter material layer, an antioxidant filter material facing layer and a VOCs adsorption filtration composite facing material layer. The electrostatic electret web 1022 is used to perform electrostatic electret treatment on the electret filter material layer. The electret filter material layer is processed by an electrostatic electret device and then has a voltage of thousands of volts, fibers are diffused into net-shaped holes due to the repulsion action of static electricity, and the size among the fibers is far larger than that of dust, so that an open structure is formed. When dust passes through the electret filter material layer, the electrostatic effect can not only effectively attract charged dust particles, but also capture polarized neutral particles by the electrostatic induction effect. The higher the electrostatic potential of the material, the higher the charge density of the material, the more point charges, and the stronger the electrostatic action. Increased filtration efficiency, reduced filtration resistance, increased fiber surface charge density, and increased web charge storage capacity), thereby efficiently filtering and adsorbing PM2.5 fine dust particles in the gas and bacterial viruses carried on these carriers all the time, and isolating the cross-infection and transmission channels of the bacterial viruses.
The intelligent control device 104 is used for intelligently controlling the opening and closing of the oxidative decomposition sterilization and disinfection device.
Specifically, in an embodiment, the air purification, sterilization and disinfection processing system further includes a bacterial virus sensor detection and sensing unit for detecting the concentration of the bacterial virus adsorbed and blocked on the adsorption and filtration material, the intelligent control device is configured to turn on the oxidative decomposition sterilization and disinfection device according to the bacterial virus concentration detected by the bacterial virus sensor detection and sensing unit, turn off the oxidative decomposition sterilization and disinfection device after the oxidative decomposition sterilization and disinfection is completed, and control the system to enter a pause or waiting operation instruction state. Illustratively, when the intelligent control device determines that the concentration of the bacteria and viruses detected by the bacteria and virus detection sensing unit is greater than a preset concentration value a, the oxidative decomposition sterilization device is started, after sterilization is finished, the oxidative decomposition sterilization device is closed, and the system is controlled to enter a pause or waiting operation instruction state. In another embodiment, the intelligent control apparatus includes: the positioning module is used for acquiring the current position information or the place information of the air purification, sterilization and disinfection treatment system; and the positioning processing module is used for determining a corresponding fan control strategy according to the current position information or the place information, starting the oxidative decomposition sterilization device according to the fan control strategy, closing the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state. Specifically, different geographical position and different places correspond in advance and have corresponding fan control strategy, because different geographical position (south, north, basin, china and China) and different individual places (hotel, hospital) need adapt to different disinfection environment that disinfects, therefore this scheme pertinence adaptation has multiple different fan control strategy, intelligent control device accomplishes the back through orientation module, automatic matching corresponding fan control strategy, exemplarily, fan control strategy is including opening oxidative decomposition sterilizing equipment's time to and corresponding oxidative decomposition sterilizing equipment lasts the time of work, close oxidative decomposition sterilizing equipment's time etc.. In another embodiment, the operation data is logically analyzed according to the use characteristics and work and rest rules of people in different places and different spaces for air treatment, so that the operation time of the static oxidative decomposition sterilization and disinfection module for air treatment is automatically or manually set, and the oxidative decomposition sterilization and disinfection device is timely started to perform oxidative decomposition sterilization and disinfection operation under the condition that the air purification of the served space is not influenced by the air treatment. Namely, the air purification and regulation and the oxidative decomposition and sterilization are organically unified, the air purification and regulation are carried out at most of time, the oxidative decomposition and sterilization are carried out at night or in working running intervals, the function of air regulation is ensured, the intermittent or staged oxidative decomposition and sterilization and disinfection of a fresh air system and a split air conditioner filtering device are realized, the harm of bacteria and viruses is eliminated, the aims of dynamic filtration and purification and static oxidative decomposition and sterilization and disinfection are fulfilled, the difficult problems of air purification and oxidative decomposition and sterilization and disinfection of the existing fresh air system and the split air conditioner indoor unit are perfectly solved, the oxidative decomposition and sterilization and disinfection are eliminated in a specific period, a specific condition and a specific place, the cross infection of infectious virus and bacteria is thoroughly avoided, the fear psychology of people is eliminated, the social stability and harmony are realized, and the normal life and production activities of people are ensured.
In one embodiment, the intelligent control device comprises: the signal receiving module is used for receiving a control instruction of external control equipment; and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result. For example, the user may send a control command, such as a control command for turning on the oxidative decomposition sterilization device, through the remote control device, and after the intelligent device receives the command, the blower of the blower unit is turned off, and the oxidative decomposition sterilization device is turned on to perform oxidative decomposition sterilization. Correspondingly, the control instruction can also be a control instruction for closing oxidative decomposition sterilization and disinfection, and after the intelligent control device receives the control instruction for closing oxidative decomposition sterilization and disinfection, the oxidative decomposition sterilization and disinfection device is closed, and the oxidative decomposition sterilization and disinfection is stopped. For example, after the oxidative decomposition sterilization and disinfection are stopped, the intelligent control device can control the system to enter a pause state, i.e. stop the air supply and sterilization work, or enter a state of waiting for an operation instruction to wait for a subsequent control instruction of a user to perform corresponding operation state switching.
In another embodiment, the intelligent control device is used for automatically controlling to open the oxidative decomposition sterilization device for oxidative decomposition sterilization and disinfection in a first preset time period, close the blower of the blower unit, and automatically close the oxidative decomposition sterilization and disinfection in a second preset time period, so as to enter a pause or waiting operation instruction state. For example, the oxidative decomposition sterilization time period and the air supply time period of the air purification system can be preset, when the oxidative decomposition sterilization time period is in the oxidative decomposition sterilization, the oxidative decomposition sterilization and disinfection function is started, the air supply unit is stopped, and when the air supply time period is in the air supply, the operation of the air supply unit is started, and the oxidative decomposition sterilization and disinfection of the oxidative decomposition sterilization and disinfection unit is stopped.
In another embodiment, the intelligent control device further comprises: the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time; the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time. Illustratively, the intelligent control device records instruction operation of a user, automatically learns a time period corresponding to oxidative decomposition sterilization and air supply according to a recording result, and executes a corresponding dynamic filtration purification or static sterilization function in the corresponding time period.
In another embodiment, the intelligent control device further comprises: and the scene analysis module is used for determining the opening or closing time of the corresponding oxidative decomposition sterilization device and the corresponding air supply unit blower according to the current scene place, and controlling the opening or closing of the oxidative decomposition sterilization device and the corresponding air supply unit blower at the corresponding time. For example, in the hotel scene, when a tenant leaves or goes out, the oxidative decomposition sterilization function is started, and when the tenant leaves or returns to the room, the oxidative decomposition sterilization function is closed, and the air supply function is started. Illustratively, the intelligent control device can receive instruction information of the room entrance and the room exit sent by the hotel system platform or the room entrance guard device, and execute a corresponding control strategy of dynamic filtration and purification and static sterilization and disinfection according to the instruction information.
Fig. 4 is a schematic block diagram of another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention, and as shown in fig. 4, it adopts a structure different from that shown in fig. 3, wherein the first oxidative decomposition sterilizing and disinfecting electrostatic electret adsorption filter unit 100 is disposed at the bottom, and the first oxidative decomposition sterilizing and disinfecting electrostatic electret adsorption filter unit 100 in fig. 3 is disposed at one side of the total heat exchanger 300.
In the indoor unit structure of the existing split air conditioner, indoor air passes through a return air filter screen, dust and the like in the indoor air are filtered and then enter an evaporator, heat is absorbed by a refrigerant, and after the air temperature is reduced, the air cooled by a fan is sent out through an air outlet. It is difficult to configure an effective air sterilization and disinfection system, and the main reasons are as follows: the filter grade of the return air filter screen is low, and PM2.5 pollutant particles cannot be removed by a filtering means; in addition, no matter the effective air sterilization and disinfection system adopts a chemical method or a physical method, the effective air sterilization and disinfection system is difficult to implement in a common household air conditioner through an automatic scheme due to safety consideration, and meanwhile, the chemical disinfectant is easy to corrode the air conditioner. To achieve complete sterilization, it is necessary: the concentration of the disinfecting substance, or the intensity of the disinfecting radiation; the contact (residence) time of the air flow in the space of the sterilizing and disinfecting device. The ultraviolet ray has stronger sterilization and disinfection capability, but to achieve effective sterilization and disinfection effect, the power of the ultraviolet lamp is enough, the space volume of the equipment is larger, and the space volume is difficult to realize in the dynamic air treatment process, so that the ultraviolet lamp cannot be applied to the indoor unit of the air conditioner with smaller volume. Accordingly, the embodiment of the invention provides an air purification system in the fields of dynamic filtration, adsorption and purification, static sterilization and disinfection air treatment or ventilation and air exchange, aiming at the symptoms which cannot be solved by the traditional thinking of the sterilization and disinfection concept of the existing indoor unit of the air conditioner.
Fig. 5 is a block diagram schematically illustrating another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention, as shown in fig. 5. In this example, the electrostatic electret adsorption filtration unit for oxidative decomposition sterilization is provided in the return air inlet. Specifically, the system comprises: the air conditioner comprises an evaporator 501, a fan 502, an air return opening 503, an air outlet 504, an air conditioner body 506 and an oxidative decomposition sterilization electrostatic electret adsorption filter unit 505, wherein the oxidative decomposition sterilization electrostatic electret adsorption filter unit 505 is arranged at the air return opening, the oxidative decomposition sterilization electrostatic electret adsorption filter unit 505 comprises an oxidative decomposition sterilization device 5051, an electrostatic electret device 5052, an adsorption filter 5053 and an intelligent control device (not marked in the attached drawings), the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filter device and killing bacterial viruses adsorbed and blocked on the adsorption filter material, the electrostatic electret device is used for carrying out electrostatic electret treatment on the adsorption filter device, and the adsorption filter device is used for filtering dust particles in the air and bacterial viruses attached on the dust particles and aerosol, the intelligent control device is used for controlling the fan to be closed, then the oxidative decomposition sterilization device is started, when the oxidative decomposition sterilization is finished, the oxidative decomposition sterilization device is closed, and the system is controlled to enter a pause or waiting running instruction state. In another embodiment, as shown in fig. 6, fig. 6 is a block diagram schematically illustrating a structure of another air purifying, sterilizing and disinfecting system according to an embodiment of the present invention. In this embodiment, the electrostatic electret adsorption filter unit for oxidative decomposition sterilization is integrated in the air conditioner body. Specifically, the system includes an evaporator 601, a filter screen 602, a water pan 603, a fan 604, a motor 605, and an oxidative decomposition sterilization static electret adsorption filter unit 606, where the oxidative decomposition sterilization static electret adsorption filter unit 606 includes an oxidative decomposition sterilization device 6061, a static electret 6062, an adsorption filter 6063, and an intelligent control device (not labeled in the drawings).
The scheme is characterized in that the core is an oxidative decomposition sterilization device, an electrostatic electret device, an adsorption filtration device and an intelligent control device, the air purification sterilization treatment system has special adsorption filtration and separation capabilities on tiny particle dust, bacteria and viruses, the oxidative decomposition sterilization device comprises an oxidative decomposition sterilization process device which has oxidative decomposition capability on different VOCs molecules and high-efficiency killing capability on viruses and bacteria and an intelligent control device matched with the oxidative decomposition sterilization process device, and the dynamic filtration purification and static oxidative decomposition sterilization air purification sterilization treatment system adopts an optimized purification technology for air containing VOCs molecules, dust, PM2.5 tiny dust and viruses and bacteria, so that the quality requirements of air used by a fresh air system and an indoor household air conditioner are met; thereby effectively preventing the occurrence of cross infection and ensuring the safety of people in public places.
The air purification, sterilization and disinfection treatment system provided by the embodiment of the invention creatively provides a brand-new treatment framework for guaranteeing the oxidative decomposition, sterilization and disinfection of the central air conditioner and the ventilation and air exchange space, and through the air purification, sterilization and disinfection treatment system, the optimal purification is implemented on the air system which is required by the fresh air handling unit, the household indoor air conditioner and the ventilation and air exchange space and ensures the safety of the active people, the influence on the surrounding environment is eliminated, the safety worry of people is eliminated, and the harmony of the society is realized.
Compared with the prior art, the problems of filtration and purification, oxidative decomposition, sterilization and disinfection of the system are effectively solved; the cross infection is avoided, and the panic psychology of the masses is eliminated; the energy consumption of the system is reduced to the maximum extent through intelligent control; the system layout is optimized, the operation cost is reduced, and the ventilation environment and the ecological environment are improved; the environmental benefit, the social benefit and the economic benefit complement each other; modular structure improves equipment production and installation efficiency.
Fig. 7 is a flowchart of an air purifying, sterilizing and disinfecting method according to an embodiment of the present invention, where the method includes:
and step S701, the first oxidative decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the entering outdoor fresh air.
And S702, the second oxidation decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the entering indoor exhaust air.
Wherein, the first oxidative decomposition sterilization static electret adsorption filtration unit and the second oxidative decomposition sterilization static electret adsorption filtration unit respectively comprise an oxidative decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filtration device, sterilizing bacteria and viruses on adsorption filtration materials, the static electret device is used for carrying out electrostatic electret treatment on the adsorption filtration device, the adsorption filtration device is used for filtering dust particles in the air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the fan to be closed, the oxidative decomposition sterilization device is opened, and after the oxidative decomposition sterilization is finished, and closing the oxidative decomposition sterilization and disinfection device, and controlling the system to enter a pause or waiting operation instruction state.
And step S703, the total heat exchanger exchanges heat with the purified, sterilized and disinfected outdoor fresh air and indoor exhaust air.
Step S704, the fan sends the heat exchange-regulated gas to the interior space and the exhaust room, respectively.
The method provided by the embodiment relies on the oxidation decomposition sterilization static electret adsorption filtration unit in the specially arranged air purification sterilization treatment system.
To sum up, the structural feature in this scheme: the traditional middle-efficiency efficient filter of the air handling unit with different combination forms is optimized and transformed into an oxidative decomposition sterilization disinfection, electrostatic electret and adsorption filtration combined standard module, and the system adopts a modularized assembling structure and is suitable for fresh air handling units and household air conditioning systems with different processing scales.
The technical principle of the scheme is as follows: VOCs molecules and viruses and bacteria are adsorbed and blocked on the surface of the adsorption filter layer and in internal micropores, then the dosage and the strength are increased by adopting a static mode, and the decomposition and the killing are carried out by selecting an ultraviolet catalytic oxidation decomposition sterilization and disinfection process. The traditional air treatment or ventilation and air exchange system is basically provided with a coarse-effect and medium-effect filtering device, the main function of the traditional air treatment or ventilation and air exchange system is to filter and remove dust particles and particles in air, so that viruses and bacteria in the air cannot be effectively killed, and the strength and the contact time of oxidative decomposition sterilization equipment are important factors determining the killing effect of the bacteria and the viruses. For chemical disinfection (alcohol, disinfectant and ozone), the concentration of an effective disinfectant and the effective time of contacting the disinfectant in a disinfection space are required, for physical oxidative decomposition disinfection, such as ultraviolet and microwave, the emission (generation) power of an installation machine and the enough residence time in a radiation space are required, and the air volume for processing the systems requiring oxidative decomposition disinfection is too large in scale, so that a huge equipment system is not arranged in a sufficient space; if the physical method is used for oxidizing, decomposing, sterilizing and disinfecting, the installation and operation power of the equipment is also quite remarkable, and most places are difficult to bear and cannot realize unless special places are used. The air purification, sterilization and disinfection treatment system thoroughly overcomes the existing defects of the traditional fresh air system, a split air conditioner or a space ventilation, oxidation, decomposition, sterilization and disinfection device. Not only effectively separates almost all known virus and bacteria from the activity space of people, ensures the safety of the space, thoroughly prevents cross infection, but also can thoroughly kill the bacteria and the viruses. The air purification sterilization disinfection treatment system separates the filtration, the obstruction and the oxidative decomposition sterilization disinfection of bacteria and viruses, does not increase the equipment investment of the existing system too much, and perfectly solves the problem which can not be solved by the existing system.
The protection of the scheme is mainly that: the design concept of dynamic filtration and purification, static oxidative decomposition sterilization disinfection, the use method of electrostatic electret, the structural characteristics of adsorption and filtration, the configuration of ultraviolet oxidative decomposition sterilization disinfection and the characteristics of intelligent control logic. During normal operation, can filter and adsorb the air, with the dust granule in the air, trace organic waste gas, the effective separation is carried out to the bacterium virus, effectively prevents crowd's activity space's cross infection, works to the period of setting for when continuous operation, starts oxidative decomposition disinfection system that disinfects when quiet or the system rest of night, according to the requirement of killing to the virus bacterium, sets for the oxidative decomposition disinfection of different periods, kills the completion, gets into the stand-by state.
The scheme has the advantages and characteristics that: the killing system has the advantages of high installed power, high strength, intermittent operation, short working time, low operation power consumption, low energy consumption, energy conservation, environmental protection, safety and excellent comprehensiveness, and is suitable for all fresh air systems, split air conditioners and ventilation places. An intelligent logic control device is configured, and the optimal oxidative decomposition sterilization disinfection time is selected in due time by utilizing the data analysis of the running state, so that the bacteria and viruses are effectively killed, and the cross infection is effectively prevented. The running cost is reduced to the maximum extent under the condition of not influencing the running of the air conditioning system. It should be noted that, in the embodiment of the air purification, sterilization and disinfection processing system, the included units and modules are only divided according to the functional logic, but not limited to the above division, as long as the corresponding functions can be realized; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the embodiment of the invention.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will appreciate that the embodiments of the present invention are not limited to the specific embodiments described herein, and that various obvious changes, adaptations, and substitutions are possible, without departing from the scope of the embodiments of the present invention. Therefore, although the embodiments of the present invention have been described in more detail through the above embodiments, the embodiments of the present invention are not limited to the above embodiments, and many other equivalent embodiments may be included without departing from the concept of the embodiments of the present invention, and the scope of the embodiments of the present invention is determined by the scope of the appended claims.
Claims (10)
1. Air purification sterilization disinfection processing system characterized in that, the system includes: the first oxidative decomposition sterilization static electret adsorption filter unit, the second oxidative decomposition sterilization static electret adsorption filter unit, the total heat exchanger and the fan, the first oxidative decomposition sterilization static electret adsorption filter unit and the second oxidative decomposition sterilization static electret adsorption filter unit respectively comprise an oxidative decomposition sterilization device, a static electret device, an adsorption filter device and an intelligent control device, the first oxidative decomposition sterilization static electret adsorption filter unit is used for adsorbing, filtering and purifying the entered outdoor fresh air and sterilizing and disinfecting the bacteria and viruses on the adsorption filter material under the static condition, the second oxidative decomposition sterilization static electret adsorption filter unit is used for adsorbing, filtering and purifying the indoor exhaust air and sterilizing and disinfecting the bacteria and viruses on the adsorption filter material under the static condition, the full heat exchanger is used for exchanging heat of outdoor fresh air and indoor exhaust air after purification, sterilization and disinfection, the fan is used for respectively sending gas after heat exchange adjustment into an internal space and discharging the gas outdoors, the intelligent control device is used for controlling the fan to be closed, then the oxidative decomposition sterilization device is opened, after the oxidative decomposition sterilization and disinfection is finished, the oxidative decomposition sterilization device is closed, and the system is controlled to enter a pause or waiting operation instruction state.
2. The air purifying, sterilizing and disinfecting system according to claim 1, wherein the oxidative decomposition, sterilization and disinfection device is configured to perform oxidative decomposition on the VOCs molecules adsorbed by the adsorption and filtration device to kill the bacteria and viruses adsorbed and blocked on the adsorption and filtration material, the electrostatic electret device is configured to perform electrostatic electret treatment on the adsorption and filtration device to maintain good electrostatic adsorption performance all the time, and the adsorption and filtration device is configured to filter the dust particles in the air and the bacteria and viruses attached to the dust particles and the aerosol.
3. The air purification, sterilization, disinfection and processing system of claim 2, further comprising a sensor detection unit for detecting the concentration of the bacteria and viruses adsorbed and blocked on the adsorption and filtration material, wherein the intelligent control device is configured to turn on the oxidative decomposition sterilization and disinfection device according to the concentration of the bacteria and viruses, turn off the oxidative decomposition sterilization and disinfection device after the oxidative decomposition sterilization and disinfection is completed, and control the system to enter a pause or waiting operation instruction state.
4. The air purification, sterilization and disinfection processing system of claim 2, wherein said intelligent control device comprises:
the positioning module is used for acquiring the current position information or the place information of the air purification, sterilization and disinfection treatment system;
and the positioning processing module is used for determining a corresponding fan control strategy according to the current position information or the place information, starting the oxidative decomposition sterilization device according to the fan control strategy, closing the oxidative decomposition sterilization device after the oxidative decomposition sterilization is finished, and controlling the system to enter a pause or waiting operation instruction state.
5. The air purification, sterilization and disinfection processing system of claim 2, wherein said intelligent control device comprises:
the signal receiving module is used for receiving a control instruction of external control equipment;
and the signal processing module is used for analyzing the control instruction and controlling the oxidative decomposition sterilization device and the air supply unit blower to be turned on or off according to the analysis result.
6. The air purification, sterilization and disinfection processing system according to claim 5, wherein the intelligent control device is configured to automatically control to turn on the oxidative decomposition sterilization and disinfection device for oxidative decomposition sterilization and disinfection, turn off the blower of the blower unit, and turn off the oxidative decomposition sterilization and disinfection device for a second preset time period, so as to enter a state of pause or waiting for an operation instruction.
7. The air purification, sterilization and disinfection processing system of claim 2, wherein said intelligent control device further comprises:
the instruction recording module is used for recording the opening or closing instruction of the air supply unit and the corresponding time;
the signal processing module is also used for determining the opening or closing time of the oxidative decomposition sterilization device according to the data recorded by the instruction recording module and controlling the opening or closing of the oxidative decomposition sterilization device and the blower of the blowing unit at corresponding time.
8. The air cleaning, sterilizing and disinfecting system according to claim 1, wherein said adsorption filter means comprises: the electrostatic electret device comprises an electrostatic generator and an electrostatic electret net and is used for performing electrostatic electret treatment on the electret filtering material in the adsorption filtering device to ensure that the electret filtering material in the adsorption filtering device always keeps good electrostatic adsorption performance.
9. Air purification sterilization disinfection processing system characterized in that, the system includes: the air conditioner comprises an evaporator, a fan, an air return inlet, an air outlet, a split air conditioner indoor unit body and an oxidative decomposition sterilization static electret adsorption and filtration unit, wherein the oxidative decomposition sterilization static electret adsorption and filtration unit is arranged at the air return inlet or integrated in the split air conditioner indoor unit body and comprises an oxidative decomposition sterilization disinfection device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidative decomposition sterilization disinfection device is used for carrying out oxidative decomposition on VOCs molecules adsorbed by the adsorption filtration device and killing bacteria and viruses adsorbed and blocked on the adsorption filtration material, the static electret device is used for carrying out static electret treatment on the adsorption filtration device to keep good static adsorption performance all the time, and the adsorption filtration device is used for adsorbing and filtering dust particles in air and bacterial diseases and viruses attached to the dust particles and aerosol And the intelligent control device is used for controlling the fan to be closed, then starting the oxidative decomposition sterilization device, and when the oxidative decomposition sterilization is finished, closing the oxidative decomposition sterilization device and controlling the system to enter a pause or waiting running instruction state.
10. The air purification, sterilization and disinfection treatment method is characterized by comprising the following steps:
the first oxidative decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the entering outdoor fresh air;
the second oxidation decomposition sterilization static electret adsorption filtration unit is used for purifying, sterilizing and disinfecting the indoor exhaust air entering, the first oxidation decomposition sterilization static electret adsorption filtration unit and the second oxidation decomposition sterilization static electret adsorption filtration unit respectively comprise an oxidation decomposition sterilization device, a static electret device, an adsorption filtration device and an intelligent control device, the oxidation decomposition sterilization device is used for carrying out oxidation decomposition on VOCs molecules adsorbed by the adsorption filtration device and killing bacteria and viruses on adsorption filtration materials, the static electret device is used for carrying out static electret treatment on the adsorption filtration device, so that the adsorption filtration device always keeps good static adsorption performance, and the adsorption filtration device is used for filtering dust particles in the air and bacteria and viruses attached to the dust particles and aerosol, the intelligent control device is used for controlling the fan to be closed, then starting the oxidative decomposition sterilization device, and after the oxidative decomposition sterilization is finished, closing the oxidative decomposition sterilization device and controlling the system to enter a pause or waiting operation instruction state;
the total heat exchanger exchanges heat of the purified, sterilized and disinfected outdoor fresh air and indoor exhaust air;
the fans respectively send the gas after heat exchange regulation into the internal space and the exhaust chamber.
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| CN115164356A (en) * | 2022-09-01 | 2022-10-11 | 苏州新净云节能技术有限公司 | Intelligent control system and method based on air purification |
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Application publication date: 20200922 |