CN111365785A - Fresh air and exhaust integrated air purification and sterilization system - Google Patents
Fresh air and exhaust integrated air purification and sterilization system Download PDFInfo
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- CN111365785A CN111365785A CN202010148252.4A CN202010148252A CN111365785A CN 111365785 A CN111365785 A CN 111365785A CN 202010148252 A CN202010148252 A CN 202010148252A CN 111365785 A CN111365785 A CN 111365785A
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 68
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 42
- 238000004887 air purification Methods 0.000 title claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 6
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- 239000002574 poison Substances 0.000 abstract 1
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- 238000007789 sealing Methods 0.000 description 24
- 238000009423 ventilation Methods 0.000 description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 8
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Images
Classifications
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- 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
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- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
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- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
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- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The fresh air and exhaust integrated air purification and sterilization system comprises a processing cavity, wherein the processing cavity is provided with a return air inlet, a fresh air inlet, an air supply outlet, an exhaust inlet and an exhaust outlet; outdoor air passing through the fresh air inlet and indoor air passing through the return air inlet enter the room from the air supply outlet after passing through the first purification and disinfection component, and the indoor air is exhausted to the outside from the air exhaust outlet after passing through the second purification and disinfection component at the air exhaust inlet; the fresh air inlet, the first channel from the return air inlet to the air supply inlet and the second channel from the air exhaust inlet to the air exhaust outlet are respectively provided with an air driving device; the first channel and the second channel are in an isolated shape; the wind dispelling device comprises a driving mechanism and two fans which are coaxially arranged and located in different channels, the two fans are connected through a main shaft, and the main shaft is connected with the driving mechanism. The air purifier can efficiently purify indoor air, kill bacteria and poison and optimize the proportion of indoor air components; the two fans are driven to work simultaneously through the integrated structure and the driving mechanism, and the installation time of the system is reduced.
Description
Technical Field
The invention relates to the technical field of air ventilation and purification and air disinfection, in particular to a fresh air and exhaust integrated air purification and disinfection system.
Background
The air purifying unit is a device which has certain removing capability to one or more pollutants such as particulate matters, gaseous pollutants, microorganisms and the like in air. In recent years, along with the improvement of the living standard of people and the continuous deepening of the concept of healthy life, the market of the air purification unit develops rapidly. At present, related manufacturers in China are more and more, the products are different in quality, and the following problems mainly exist: the purification effect is not good, and pollutants cannot be thoroughly removed; most of the functions of the product only stay in reducing the concentrations of indoor PM2.5 air particles, formaldehyde, VOC and the like, and viruses with smaller diameters cannot be effectively filtered and killed; the function is single, and the treatment of all pollutant types in the air of different places is difficult to realize; lack the integrated unit of new trend, air exhaust and air supply, the room air directly arranges to outdoor etc. without handling. In addition, the existing air purification unit generally performs filtering and dust removing treatment on a closed space, and cannot perform sterilization treatment; an air sterilizer having only a sterilization function and used for a closed space is mainly used in the medical and health industry. The problems of gathering of personnel in limited spaces of public places such as conference places, workshops and mobile spaces and the like and the urgent need for air ventilation, purification, sterilization and disinfection are solved, and a novel air ventilation, purification, sterilization and disinfection system and equipment are urgently needed to be developed so as to reduce the spread of bacteria and viruses in the limited spaces of the public places and cross infection of air and provide technical support and guarantee for the health of people.
In addition, in some simple-packed rooms, some construction periods need to be shortened, bearing needs to be reduced, necessary environments need to be provided for the simple-packed rooms in some special periods, one existing driver drives one fan to work, multiple fans and multiple drivers are needed to meet the environment requirements of the simple-packed rooms, the construction period of field installation is long, and the weight is also an examination of the simple-packed rooms.
Disclosure of Invention
In order to solve the problems of gathering of personnel in limited spaces of public places such as focus meeting places, workshops and mobile spaces (including high-speed railways and buses), and urgent need of air ventilation, purification, sterilization and disinfection, an air ventilation, purification and disinfection system and equipment are developed to reduce the spread of bacteria and viruses such as novel coronavirus in the limited spaces of the public places and cross infection of air, and provide technical support and guarantee for the safe production and life of enterprises and public institutions and the prevention and control of epidemic situations. Therefore, the invention provides a fresh air and exhaust integrated air purification and sterilization system.
In order to achieve the purpose, the invention adopts the following technical scheme:
the fresh air and exhaust integrated air purification and sterilization system comprises a processing cavity, wherein the processing cavity is provided with a return air inlet, a fresh air inlet, an air supply outlet, an exhaust inlet and an exhaust outlet; outdoor air passing through the fresh air inlet and indoor air passing through the return air inlet enter the room from the air supply outlet after passing through the first purification and disinfection component, and the indoor air is exhausted to the outside from the air exhaust outlet after passing through the second purification and disinfection component at the air exhaust inlet; the fresh air inlet, the first channel from the return air inlet to the air supply inlet and the second channel from the air exhaust inlet to the air exhaust outlet are respectively provided with an air driving device; the first channel and the second channel are in an isolated shape;
the wind dispelling device comprises a driving mechanism and two fans which are coaxially arranged and located in different channels, the two fans are connected through a main shaft, and the main shaft is connected with the driving mechanism.
Preferably, the periphery of the first purification and disinfection component is hermetically attached to the positions close to the fresh air inlet and the return air inlet, and the periphery of the second purification and disinfection component is hermetically attached to the air exhaust inlet.
Optimized, first purification and disinfection subassembly includes first primary filter, little static module, activated carbon filter, first high efficiency filter, the first ultraviolet sterilization module that sets gradually along the wind direction.
Preferably, the second purification and disinfection component comprises a second primary filter, a second high-efficiency filter and a second ultraviolet sterilization module which are sequentially arranged along the wind direction.
Preferably, a cooling coil and an electric heating pipe are further arranged in the first channel.
Preferably, the outlet of the second channel is further provided with a heat and cold recovery mechanism, and the output end of the cold recovery mechanism is located in the first channel.
Preferably, the fresh air inlet is also provided with a fresh air valve for adjusting the flow and a fresh air filtering device for purifying the air at the fresh air inlet, and the fresh air filtering device is arranged on the fresh air inlet.
Preferably, the driving mechanism comprises a power unit and a transmission unit, the power unit drives the spindle to rotate through the transmission unit, the power unit is a motor or a diesel engine or hydraulic machinery or hydraulic pressure, and the transmission unit is a coupler or a belt.
The air quality monitoring system is optimized and further comprises an air quality monitor and a control module which are arranged indoors, and each pin of the control module is correspondingly connected with a signal end of the air quality monitor, a controlled end of the fresh air valve and a controlled end of the power unit.
Preferably, a humidifier is further arranged in the outlet of the first channel, the air quality monitor further comprises a temperature and humidity sensor, and a signal end of the temperature and humidity sensor and a controlled end of the humidifier are connected with corresponding pins of the control module.
The invention has the advantages that:
(1) the indoor air purification and disinfection device has the advantages that indoor air is purified by the purification and disinfection module, circulating disinfection is realized, and the indoor component proportion can be changed due to long-time breathing, the indoor air component proportion is optimized by the fresh air inlet, the exhaust air inlet and the exhaust air outlet, fresh air filtration and return air filtration are integrated, and the system wind resistance and the fan power consumption are reduced; the fresh air, the return air and the exhaust air are integrated, so that the indoor air internal circulation and the fresh air exhaust external circulation can be realized simultaneously. The arrangement of the disinfection component ensures that the air in the air supply outlet and the air exhaust outlet is purified, thereby preventing large-scale pollution; and the air purification and disinfection components of the air supply outlet and the air exhaust outlet are respectively and independently arranged, so that the cross contamination of air supply and air exhaust can be effectively avoided. Moreover, drive two fans simultaneous workings through a actuating mechanism in this application, effectively reduced the installation time of system.
(2) The first purification and disinfection subassembly and the second purification and disinfection subassembly are peripherally sealed with the corresponding wind gap, so that all gas is ensured to be filtered and disinfected through the disinfection subassembly, and the additionally arranged position ensures that the gas of the first channel and the gas of the second channel are filtered and disinfected, so that the condition of cross infection can not occur when the main shaft passes through the first channel and the second channel.
(3) The first purification and disinfection component and the second purification and disinfection component are arranged in a mode so as to ensure the reliability of disinfection and sterilization. Wherein, the first high-efficiency filter, the micro-static module and the ultraviolet sterilization module with the self-disinfection function effectively kill pathogenic bacteria and viruses carried on the particulate carriers of 0.3 micron or more under the synergistic action, thereby ensuring the safety of the indoor environment.
(4) The drive mechanism of the present application includes a power unit and a transmission unit, which allows the drive mechanism to be versatile.
(5) The arrangement of cooling coils and electric heating tubes can be used to regulate the temperature in the room.
(6) The cold and heat recovery mechanism can be used for recovering cold and heat, thereby saving energy.
(7) The setting of fresh air valve can adjust the volume of entering indoor, is guaranteeing more energy-conserving under the target condition like this.
(8) The air quality monitor, the control module, the humidifier and the temperature and humidity sensor are all better optimized indoor environment. It should be noted that what needs to be protected in the present application is the connection relationship of the electrical components and the cooperation between the components, and it is not within the protection scope of the present application for the control module to receive and send signals.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The left side of fig. 2 is a structural diagram of a first purification and disinfection component, and the right side is a structural diagram of a second purification and disinfection component.
Fig. 3 is a view a-a of fig. 1.
Fig. 4 is a structural view of an indoor air supply fan and an indoor air exhaust fan.
Fig. 5 is a perspective view at the first and second volutes.
FIG. 6 is a functional diagram of the control module.
Fig. 7 is a schematic diagram of the operation of the system.
Fig. 8-10 are schematic views of the seal at the frame and panels of the system.
The notations in the figures have the following meanings:
1-air return inlet 2-fresh air inlet 21-fresh air valve 3-air supply outlet 4-air exhaust inlet
5-exhaust outlet 61-first channel 62-second channel
71-indoor air supply fan 72-exhaust fan
101-electric heating pipe 102-cooling coil
11-power unit 12-transmission unit 13-main shaft
14-frame 15-panel 16-sealing strip
200-first purifying and sterilizing component 201-first primary filter 202-micro electrostatic module
203-active carbon filter 204-first high-efficiency filter 205-first ultraviolet sterilization module
210-second purifying and sterilizing component 211-second primary filter 212-second high-efficiency filter
213-second ultraviolet sterilization module
220-fresh air filtering device
41-first volute 411-first air inlet 412-first air outlet
42-second volute 421-second air inlet 422-second air outlet
51-diversion pipe 6-control module
71-supply blower 72-exhaust blower
8-air quality monitor 81-air pollutant sensor 82-infrared sensor
83-temperature and humidity sensor 84-particulate matter concentration sensor
91-humidifier 10-early warning module
Detailed Description
As shown in fig. 1-7, the fresh air and exhaust integrated air purification and sterilization system comprises a processing chamber, an air quality monitor 8 and a control module 6. The treatment cavity is provided with an air return inlet 1, a fresh air inlet 2, an air supply outlet 3, an air exhaust inlet 4 and an air exhaust outlet 5, and the fresh air inlet 2 is also provided with a fresh air filtering device 220 for purifying air at the fresh air inlet 2 and a fresh air valve 21 for controlling the flow at the fresh air inlet 2. Fresh air filtering device 220 can filter impurity, big particulate matter etc. in the new trend, carries out the prefilter to the new trend. Outdoor air is processed by first purification and disinfection subassembly 200 after fresh air inlet 2, new trend filter equipment 220 and room air pass through return air inlet 1, again from supply-air outlet 3 entering indoor. The indoor air passes through the air exhaust inlet 4, is treated by the second purification and disinfection component 210, and is exhausted to the outdoor from the air exhaust outlet 5; the air-dispelling devices are arranged in the first channel 61 from the air return port 1, the fresh air port 2 to the air supply port 3 and the second channel 62 from the air exhaust inlet 4 to the air exhaust outlet 5; the first channel 61 and the second channel 62 are isolated.
The wind dispelling device comprises a driving mechanism and two fans which are coaxially arranged and located in different channels, the two fans are connected through a main shaft 13, and the main shaft 13 is connected with the driving mechanism. In this embodiment, an indoor air supply fan 71 is provided in the first passage 61, and an exhaust air fan 72 is provided in the second passage 62. The two fans are driven to work simultaneously through one driving mechanism, the installation time of the system is reduced, and the bearing of the simple house aiming at the special environment is reduced.
As shown in fig. 4-5, the indoor air supply fan 71 and the indoor air exhaust fan 72 are covered by the corresponding first volute 41 and the second volute 42, each volute is provided with an air inlet and an air outlet, all the fans are located on one side of the main shaft 13, and the other side of the main shaft 13 is connected with the driving mechanism. The driving mechanism comprises a power unit 11 and a transmission unit 12, wherein the power unit 11 drives the main shaft 13 to rotate through the transmission unit 12. A actuating mechanism passes through main shaft 13 and drives the fan rotation of homonymy, only needs to put into narrow and small space with the part of fan like this in narrow and small space to this structure does not need the field installation, thereby improves field installation efficiency, and to some simple and easy rooms, wherein the actuating mechanism part need not follow the fan and set up higher department together, provides some supports for the stability of increase simple and easy room.
The first and second volutes 41 and 42 are arranged to concentrate the wind. The spiral case all includes cylinder portion, and the axis of all cylinder portions and the coincidence of the pivot of all fans, and the spiral case all is provided with the vent in the tangent plane direction of cylinder portion. In this embodiment, the indoor air supply blower 71 and the indoor air exhaust blower 72 may be of different blower types, and the blower azimuth angles may be staggered by a certain angle to meet the actual requirements.
The first volute 41 and the second volute 42 are symmetrically provided with ventilation openings in opposite planes. Optimally, the ventilation openings on the opposite surfaces of the first volute 41 and the second volute 42 are used as air inlets, namely a first air inlet 411 and a second air inlet 421 respectively. The ventilation openings of the spiral cases in the tangential direction of the cylindrical portion are used as air outlets, namely, the first air outlet 412 and the second air outlet 422, respectively, and the first spiral case 41 is tightly attached to the second spiral case 42. The volute is provided with the vent in the tangential direction of the cylindrical part, so that smooth ventilation can be still realized under the condition that a plurality of volutes are arranged in parallel. The first volute 41 abuts the second volute 42 so that the two volutes cancel each other out in the direction of the main shaft 13 during simultaneous ventilation.
The plurality of ventilation openings are also provided with direction-changing pipes 51, and the direction-changing pipes 51 are hermetically connected with the corresponding ventilation openings. The outlet position of the direction-changing pipe 51 is adjustable. The direction and position of the ventilation opening can be adjusted according to the positions of the fresh air inlet 2, the return air inlet 1, the air supply opening 3 and the air exhaust inlet 4 by arranging the diversion pipe 51, so that the air circulation area can be enlarged as much as possible, and the ventilation effect is improved.
The first purifying and sterilizing component 200 is hermetically attached at the position close to the fresh air inlet 2 and the return air inlet 1, and the second purifying and sterilizing component 210 is hermetically attached at the exhaust air inlet 4. This ensures that all gases are filtered and sterilized by the sterilizing assembly, and in addition, the positions are set to ensure that the gases in the first passage 61 and the second passage 62 are filtered and sterilized, so that the main shaft 13 can not cross-infect when passing through the first passage 61 and the second passage 62.
As shown in fig. 2, the first purifying and sterilizing assembly 200 includes a first primary filter 201, a micro-static module 202, an activated carbon filter 203, a first high-efficiency filter 204, and a first ultraviolet sterilization module 205, which are sequentially disposed along an air direction. The second purifying and sterilizing assembly 210 comprises a second primary filter 211, a second high-efficiency filter 212 and a second ultraviolet sterilization module 213 which are sequentially arranged along the wind direction. The first primary filter 201 can filter relatively large particulate matters in the air, such as hair, dust, PM10 particulate matters and the like, and the effective filtering efficiency reaches 90%; the micro-static module 202 can collect and kill pathogenic bacteria, viruses and other microorganisms attached to the particles in a strong electric field, and the purifying and sterilizing efficiency can reach 99%. The activated carbon filter 203 can effectively filter peculiar smell, remove and decompose harmful gases in the air such as ozone, formaldehyde, ammonia, TVOC, benzene, hydrogen sulfide and the like, and the purification efficiency exceeds 96%. First high efficiency filter 204 can filter the bacterial toxicity particulate matter carrier more than 0.3um in the air, uses the H13 filter in this scheme, and the filtration rate reaches 99.99%. The first uv sterilization module 205 inactivates bacteria propagules, spores, mycobacteria, coronaviruses, fungi, rickettsiae, chlamydia, and the like using uv light. The first purifying and sterilizing component 200 constructs a purifying and sterilizing process with multiple synergistic schemes of multiple-effect filtering, electrostatic sterilizing and ultraviolet activating and sterilizing, and can effectively meet the process requirements of air purifying and sterilizing in limited spaces of different public places.
In order to regulate the temperature in the room, a cooling coil 102 and an electric heating pipe 101 are further disposed in the first passage 61. Preferably, a heat and cold recovery mechanism is further arranged at the outlet of the second channel 62, and the output end of the cold recovery mechanism is located in the first channel 61, so that the cold and heat are recovered, and the energy is saved.
The driving mechanism comprises a power unit 11 and a transmission unit 12, the power unit 11 drives the main shaft 13 to rotate through the transmission unit 12, the power unit 11 is a motor or a diesel engine or hydraulic machinery or hydraulic pressure, and the transmission unit 12 is a coupler or a belt.
As shown in fig. 6, each pin of the control module 6 is connected to a signal end of the air quality monitor 8, a controlled end of the fresh air valve 21, a controlled end of the power unit 11, and a corresponding pin of the early warning module 10. Still be provided with humidifier 91 in the first passageway 61 outlet, air quality monitor 8 still includes temperature and humidity sensor, temperature and humidity sensor's signal end, humidifier 91's controlled end are connected with control module 6's corresponding pin, play the effect of optimizing indoor annular.
Preferably, the main body of the system is a frame panel structure, and the panel 15 is mounted on the frame 14. When the system operates, the first channel 61 from the return air inlet 1 and the fresh air inlet 2 to the air supply inlet 3 and the second channel from the air exhaust inlet 4 to the air exhaust outlet 5 are required to be sealed areas, namely, the air flow between the air supply and return areas and the external environment must be kept independent, and air leakage cannot occur. The sealing in the assembled structure of the frame 14 and the panel 15 is generally processed according to the structure shown in fig. 8, and the frame 14 and the non-metallic sealing strip 16 (such as a polyurethane rubber sealing strip) adopt a gluing structure to fix the sealing strip 16 on the frame 14. The panel 15 and the sealing strip 16 are in plane contact, and the panel and the sealing strip are pressed tightly through fastening bolts and the like to achieve the purpose of sealing. Considering machining errors and assembly errors, the structure can only be used in occasions with low sealing requirements and is not suitable for the system. The system has higher requirement on the sealing performance during operation, the air supply area and the air return area in the system are both in negative pressure states, and the negative pressure states are generally inconsistent. For reducing external environment and the cluster wind of confession, return air region to and the cluster wind between confession, the return air region, provide a seal structure, this seal structure can solve the cluster wind problem in this system effectively, and concrete technical scheme is:
as shown in fig. 9, the surface of the panel 15 contacting with the sealing strip 16 is processed into a wave-like structure, the sealing in the assembling structure of the frame 14 and the panel 15 is processed according to fig. 10, the frame 14 and the sealing strip 16 (such as a polyurethane rubber sealing strip) adopt a cementing structure, and the sealing strip 16 is fixed on the frame 14. The panel 15 and the seal strip 16 are pressed by fastening bolts and the like, and a labyrinth structure is formed between the panel and the seal strip, so that static seal between the panel 15 and the seal strip 16 can be effectively realized. Moreover, the surface of the panel 15 contacting with the sealing strip 16 is processed into a wave-shaped structure with radian, so that the surface of the sealing strip can be effectively protected from being damaged, and the long service life of the sealing strip can be ensured. In addition, when the elasticity of the sealing strip material is deteriorated due to long-term operation of the system, the labyrinth structure formed by the contact surface of the panel 15 and the sealing strip 16 can still achieve a good sealing effect. In the air purification process, the sealing performance is an important parameter of the system effect, particularly, the sealing performance is more important for a larger space, and the sealing performance in the larger space can be applied by the arrangement mode of the scheme.
As shown in fig. 7, the air quality monitor 8 includes an air pollutant sensor 81, an infrared sensor 82, a temperature and humidity sensor 83, and a particulate matter concentration sensor 84, and the early warning module 10 is disposed corresponding to the corresponding sensor. The air contaminant sensor 81 includes a formaldehyde concentration detection portion, a carbon dioxide concentration detection portion, an ozone detection portion, and a VOC detection portion. The particulate matter concentration sensor 84 is used for detecting the mass concentration of particles with aerodynamic equivalent diameters of 0.3-10 μm.
The early warning module 10 comprises a driving idle running alarm, an indoor particle high concentration alarm, an ozone high concentration alarm, a carbon dioxide high concentration alarm, a formaldehyde high concentration alarm and a VOC high concentration alarm of the power unit 11.
The control module 6 comprises an industrial personal computer, a touch screen and a serial server, wherein the industrial personal computer is used for storing data collected by the air quality monitor 8 and starting and adjusting corresponding equipment according to control logic and collected data.
The control method of the monitoring system comprises the following steps:
the power unit 11 control logic automatically determines the speed of the power unit 11 from the following conditions:
the system is preset to be a fourth gear according to the concentration of the particulate matters, the set value of the fourth gear (set value is set through an operation screen) is sequentially increased, the hyperstatic rotating speed is used in the first gear, the low speed is used in the second gear, and the medium speed is used in the third gear; high speed is used in fourth gear. In order to avoid frequent switching of the rotating speed gear of the power unit 11 caused by the fact that the actual concentration of the particulate matters oscillates back and forth between two gears, a return difference function is introduced into program logic, a specific value of the return difference is set in an operation screen, the rotating speed gear is switched when the fact that the concentration value of the particulate matters breaks through a gear switching value is detected, the rotating speed gear is not switched for the moment after the concentration value of the particulate matters returns to the original concentration range before switching, the rotating speed gear is switched back to the original gear after the return absolute value of the particulate matters is larger than the set return difference value, and the rotating speed gear is not switched otherwise.
The system is preset to be in a fourth gear according to the concentration of the formaldehyde, the set value of the fourth gear (the set value is set through an operation screen) is sequentially increased, the hyperstatic rotating speed is used in the first gear, the low speed is used in the second gear, and the medium speed is used in the third gear; high speed is used in the fourth gear; in order to avoid frequent switching of the rotating speed gear of the power unit 11 caused by the fact that the actual formaldehyde concentration oscillates back and forth between two gears, a return difference function is introduced into program logic, a specific value of the return difference can also be set in an operation screen, the rotating speed gear is switched when the program detects that the formaldehyde concentration value breaks through a gear switching value, the rotating speed is not switched temporarily after the formaldehyde concentration value returns to the original concentration range before switching, the rotating speed gear is switched back when the absolute value of the return difference value is larger than the set return difference value, and otherwise, the rotating speed gear is not switched.
The system is preset to be in a fourth gear according to the VOC concentration, the set value of the fourth gear (the set value is set through an operation screen) is sequentially increased, the hyperstatic rotating speed is used in the first gear, the low speed is used in the second gear, and the medium speed is used in the third gear; high speed is used in the fourth gear; in order to avoid frequent switching of the rotating speed gear of the power unit 11 caused by the fact that the actual VOC concentration oscillates back and forth between the two gears, a return difference function is introduced into program logic, a specific value of the return difference can also be set in an operation screen, the rotating speed gear is switched when the program detects that the VOC concentration value breaks through a gear switching value, the rotating speed is not switched temporarily after the VOC concentration value returns to the original concentration range before switching, the rotating speed gear is switched back when the return change absolute value is larger than the set return difference value, and otherwise the rotating speed gear is not switched.
If the above three conditions are simultaneously acted, the conditions that the rotation speed gears determined by different conditions are inconsistent and even the difference is very large may occur, and in order to avoid the above conditions, the system comprehensively judges the above three conditions, and takes the highest rotation speed gear determined by each condition as the final operation rotation speed gear of the power unit 11.
Further, the idle warning function includes: the system can acquire the ambient temperature in real time, and because the system is used in indoor environment, the ambient temperature is basically below 35 ℃ and not higher than 43 ℃. In order to prevent forgetting to close the system after the system is opened in a long-term and false state, the power unit 11 is opened for a long time to cause the environmental temperature to gradually rise, so that the temperature of 43 ℃ is set as a protection value, and if the temperature of the system is recorded to be higher than 43 ℃ for more than 2 hours continuously, the system can automatically stop working to prevent continuous temperature rise.
Further, the implementation of the particle high concentration early warning method is as follows: the system automatically detects the particle concentrations of 0.3 μm, 1 μm, 2.5 μm and 10 μm, different alarm values are set according to various particle concentrations, and when any particle concentration exceeds the corresponding set value, the system sends out an early warning prompt.
Further, the high concentration alarm of ozone is implemented as follows: the ozone sensor of the system automatically detects the indoor ozone concentration, and if the indoor ozone concentration exceeds a set value, the system automatically gives out early warning.
Further, the implementation of the carbon dioxide high concentration alarm is as follows: the system monitors the indoor carbon dioxide concentration in real time, and gives out early warning when the concentration exceeds an alarm set value.
Further, the implementation manner of the high-concentration formaldehyde reminder is as follows: the system monitors the indoor formaldehyde concentration in real time, and when the formaldehyde concentration exceeds a set value, the system automatically gives out early warning.
Further, the implementation manner of the high-concentration VOC reminder is as follows: the system monitors the indoor VOC concentration in real time, and when the VOC concentration exceeds a set value, the system automatically gives an early warning.
Further, the conditions for turning on and off the first uv sterilizing module 205 are as follows:
the ultraviolet lamp of the first ultraviolet sterilization module 205 is automatically turned on by a program when 1:00-2:00 every day is set, but when the infrared sensor detects that a person is indoors, the ultraviolet lamp is automatically turned on by the program;
when the system automatically starts the ultraviolet lamp for sterilization, if the ozone concentration in the environment is detected to exceed the upper limit value specified by the standard, the program automatically stops the operation of the ultraviolet lamp. Under the condition that no personnel exist, the ultraviolet lamp is automatically started for sterilization, germs and viruses captured in the first purifying and sterilizing component 200 are subjected to ultraviolet inactivation, and secondary pollution caused by air entering the first purifying and sterilizing component 200 when the first purifying and sterilizing component is opened next time is avoided.
The invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The fresh air and exhaust integrated air purification and disinfection system is characterized by comprising a treatment cavity, wherein a return air inlet (1), a fresh air inlet (2), an air supply outlet (3), an exhaust air inlet (4) and an exhaust air outlet (5) are arranged on the treatment cavity; outdoor air passing through the fresh air inlet (2) and indoor air passing through the return air inlet (1) enter the room from the air supply outlet (3) after passing through the first purification and disinfection component (200), and the indoor air is exhausted to the outside from the air exhaust outlet (5) after passing through the second purification and disinfection component (210) at the air exhaust inlet (4); the air dispelling devices are arranged in a first channel (61) from the fresh air inlet (2) to the air inlet (3) and in a second channel (62) from the air exhaust inlet (4) to the air exhaust outlet (5); the first channel (61) and the second channel (62) are separated;
the wind dispelling device comprises a driving mechanism and two fans which are coaxially arranged and located on different channels, the two fans are connected through a main shaft (13), and the main shaft (13) is connected with the driving mechanism.
2. The fresh air and exhaust integrated air purification and disinfection system as claimed in claim 1, wherein the first purification and disinfection component (200) is hermetically attached at the position close to the fresh air inlet (2) and the return air inlet (1), and the second purification and disinfection component (210) is hermetically attached at the exhaust air inlet (4).
3. The fresh air and exhaust integrated air purification and sterilization system according to claim 1, wherein the first purification and disinfection assembly (200) comprises a first primary filter (201), a micro-static module (202), an activated carbon filter (203), a first high-efficiency filter (204) and a first ultraviolet sterilization module (205) which are sequentially arranged along the wind direction.
4. The fresh air and exhaust integrated air purification and sterilization system according to claim 1, wherein the second purification and disinfection component (210) comprises a second primary filter (211), a second high-efficiency filter (212) and a second ultraviolet sterilization module (213) which are sequentially arranged along the wind direction.
5. The fresh air and exhaust integrated air purification and disinfection system as claimed in claim 1, wherein a cooling coil (102) and an electric heating pipe (101) are further disposed in the first channel (61).
6. The fresh air and exhaust integrated air purification and disinfection system as claimed in claim 1, wherein an outlet of the second channel (62) is further provided with a heat and cold recovery mechanism, and an output end of the cold recovery mechanism is located in the first channel (61).
7. The fresh air and exhaust integrated air purification and disinfection system as claimed in claim 1, wherein a fresh air valve (21) for adjusting the flow rate and a fresh air filtering device (220) for purifying the air at the fresh air inlet are further disposed at the fresh air inlet (2), and the fresh air filtering device (220) is disposed on the fresh air inlet (2).
8. The fresh air and exhaust integrated air purification and disinfection system according to claim 1, wherein the driving mechanism comprises a power unit (11) and a transmission unit (12), the power unit (11) drives the main shaft (13) to rotate through the transmission unit (12), the power unit (11) is a motor or a diesel engine or hydraulic machinery or hydraulic pressure, and the transmission unit (12) is a coupler or a belt.
9. The fresh air and exhaust integrated air purification and sterilization system according to claim 7, further comprising an air quality monitor (8) and a control module (6) which are arranged indoors, wherein each pin of the control module (6) is correspondingly connected with a signal end of the air quality monitor (8), a controlled end of the fresh air valve (21) and a controlled end of the power unit (11).
10. The fresh air and exhaust integrated air purification and disinfection system according to claim 9, wherein a humidifier (91) is further disposed in an outlet of the first channel (61), the air quality monitor (8) further comprises a temperature and humidity sensor, and a signal end of the temperature and humidity sensor and a controlled end of the humidifier (91) are connected with corresponding pins of the control module (6).
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CN112781144A (en) * | 2021-01-07 | 2021-05-11 | 王小丽 | Multifunctional purifying and ventilating equipment |
CN112856623A (en) * | 2021-01-21 | 2021-05-28 | 苏州曼凯系统集成科技有限公司 | Fresh air system of clean room |
CN114061001A (en) * | 2021-12-01 | 2022-02-18 | 上海市卫生建筑设计研究院有限公司 | Ventilation system for medical building |
EP3964758A1 (en) * | 2020-09-08 | 2022-03-09 | Mel-Lop AG | Air circulation device for cleaning the air of aerosols potentially loaded with viruses |
CN114294764A (en) * | 2022-01-05 | 2022-04-08 | 汝阳县人民医院 | Local air treatment device for operating room nursing |
CN114383989A (en) * | 2021-12-03 | 2022-04-22 | 合肥通用机械研究院有限公司 | Air purification equipment all-condition performance evaluation testing device and testing method |
CN114440385A (en) * | 2021-12-30 | 2022-05-06 | 合肥通用机械研究院有限公司 | Air purifier rotating speed control method |
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CN117989650A (en) * | 2024-04-03 | 2024-05-07 | 福建瑞博恩环境科技有限公司 | Degerming equipment for fresh air system |
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