CN114719382A - Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system - Google Patents
Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system Download PDFInfo
- Publication number
- CN114719382A CN114719382A CN202210404548.7A CN202210404548A CN114719382A CN 114719382 A CN114719382 A CN 114719382A CN 202210404548 A CN202210404548 A CN 202210404548A CN 114719382 A CN114719382 A CN 114719382A
- Authority
- CN
- China
- Prior art keywords
- air
- epidemic prevention
- prevention emergency
- gas
- air return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 77
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 30
- 230000002147 killing effect Effects 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000004378 air conditioning Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 208000015181 infectious disease Diseases 0.000 abstract description 4
- 241000700605 Viruses Species 0.000 description 13
- 238000009423 ventilation Methods 0.000 description 13
- 238000004088 simulation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 241000894006 Bacteria Species 0.000 description 4
- 206010011409 Cross infection Diseases 0.000 description 4
- 206010029803 Nosocomial infection Diseases 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008520 organization Effects 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 208000025721 COVID-19 Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 241000711573 Coronaviridae Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 201000003176 Severe Acute Respiratory Syndrome Diseases 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—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
- F24F8/108—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 using dry filter elements
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F13/0604—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser integrated in or forming part of furniture
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses an epidemic prevention emergency air returning and killing device, which comprises a shell, wherein a gas flow passage is arranged in the shell, a gas inlet and a gas outlet are respectively arranged at two ends of the gas flow passage, and a killing system and a fan for driving airflow to flow from the gas inlet to the gas outlet are arranged in the gas flow passage. The invention also discloses an epidemic prevention emergency system, which comprises an air return opening positioned above the head of a human body, an air supply opening positioned below the head of the human body and the epidemic prevention emergency air return and sterilization device, wherein an air return pipe is arranged between the air return opening and the gas inlet and is connected with an air supply pipe; under the action of the fan, the airflow flows upwards to enter the air return inlet and flows out upwards from the air supply outlet after being processed by the sterilizing system. The invention has flexible and changeable use, can meet the emergency epidemic prevention use requirement of a specific area after field assembly, not only can realize the disinfection and sterilization effect, but also can realize the independence of airflow flow, and can effectively avoid poor infection.
Description
Technical Field
The invention relates to the technical field of air disinfection and sterilization, in particular to an epidemic prevention emergency air returning and sterilizing device and an epidemic prevention emergency system.
Background
Respiratory infectious diseases, such as influenza, SARS, and COVID-19, are often transmitted by inhalation at a short distance. Therefore, how to effectively prevent the short-distance transmission of the respiratory infectious virus and further cut off the virus transmission path is particularly important.
The Chinese patent application with publication number CN1456844A discloses a purifying and sterilizing device of a central air-conditioning ventilation system capable of killing coronavirus, which adopts a high-efficiency antibacterial filter sewn by non-woven fabric filter materials to replace the original coarse-effect filter in the central air-conditioning ventilation system, a C-waveband ultraviolet lamp is arranged in an air return pipe, and a titanium dioxide photocatalyst is sprayed on an air supply outlet. The device can effectively kill various bacteria, mites, mycete, viruses, unicellular algae and other microorganisms in the air of the ventilation system.
Chinese patent application publication No. CN111486529A discloses a directional transmission device for pathogenic microorganism prevention and control ward air and an air sterilization system, the system comprises an air-cooled heat pump fresh air unit module, an ultraviolet disinfection module and an air purification pipeline which are sequentially connected outside the ward, and further comprises a strip slit air supply outlet which is positioned above the wall on one side in the ward, and the strip slit air supply outlet is communicated with the air purification pipeline and supplies air vertically downwards. Through the reasonable setting to part structure, form directional clean air area and directly deliver to personnel's breathing zone, solve hospital ward harmful gas, virus unorganized diffusion and pollution, warm logical system adjusting means can accurately accord with standard, the poor problem of ventilation effect when solving the inside air quality requirement of hospital and changing.
Chinese patent application publication No. CN112245153A discloses an epidemic prevention ventilation sickbed, which comprises a sickbed main body, an air supply device arranged on the upper portion of the sickbed main body, and an exhaust device arranged on the lower portion of the sickbed main body. The invention can inhibit the diffusion of virus in sickrooms, simultaneously keep patients comfortable, ensure lower cross infection probability and realize high-efficiency epidemic prevention.
By analyzing the above patents, the existing epidemic prevention ventilation measures can be divided into the following two categories: one is to modify the existing ventilation air-conditioning system in the building, such as enhancing the filtering performance of the filter, additionally installing an ultraviolet lamp in an air return pipe, and the like; the other type is that the air flow organization of specific equipment (such as a sickbed and the like) is redesigned, and the air return opening is reasonably designed to reduce the spread of viruses in the space. However, although the above two epidemic prevention and ventilation measures can achieve the technical purpose of reducing the spread of viruses and bacteria to some extent, a reasonable coupling effect is not achieved, that is, the air filtration, disinfection and sterilization cannot be considered, the independence of air flow is achieved, and the effect of reducing the risk of cross infection is limited. In addition, the existing epidemic prevention ventilation measures are all attached to the existing fixed ventilation facilities, cannot be moved, are poor in use flexibility, and cannot meet the emergency epidemic prevention use requirements of specific areas.
Disclosure of Invention
In view of the above, the present invention provides an emergency air returning and sterilizing device for epidemic prevention and an emergency system for epidemic prevention, which do not need to be attached to the existing fixed ventilation facilities, are flexible and changeable in use, and can meet the emergency epidemic prevention use requirements of specific areas after field assembly; the epidemic prevention emergency system not only can realize the disinfection and sterilization effect, but also can realize the independence of airflow flow, and can effectively avoid poor infection.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention firstly provides an epidemic prevention emergency air returning and killing device, which comprises a shell, wherein a gas flow passage is arranged in the shell, a gas inlet and a gas outlet are respectively arranged at two ends of the gas flow passage, and a killing system and a fan for driving airflow to flow from the gas inlet to the gas outlet are arranged in the gas flow passage.
Further, the fan is arranged in the gas outlet, and a static pressure box is arranged between the fan and the gas outlet; a filter is arranged in the gas inlet.
Further, the germicidal system includes an ultraviolet lamp and/or a plasma generator disposed within the gas flow passage.
Furthermore, wind shields are respectively arranged on two opposite side walls of the shell, and the wind shields arranged on two sides of the shell are staggered to form the gas flow channel.
Further, the killing system is arranged between every two adjacent wind shields.
Further, the length of the wind deflector is equal to 60% -90% of the distance between the two opposite side walls of the shell.
The invention also provides an epidemic prevention emergency system, which comprises an air return opening positioned above the head of a human body, an air supply opening positioned below the head of the human body and the epidemic prevention emergency air return sterilizing and disinfecting device, wherein an air return pipe is arranged between the air return opening and the gas inlet and is connected with an air supply pipe between the air supply opening and the gas outlet; under the action of the fan, the airflow flows upwards to enter the air return inlet, is treated by the killing system and then flows out upwards from the air supply outlet.
Furthermore, the two air supply openings are respectively positioned at two sides of the human body, and the air outlet directions of the air supply openings at the two sides are upward and deflect towards the side where the head of the human body is positioned.
Further, the return air inlet is arranged above the seat, and the air supply outlet is arranged on the seat armrest.
Further, the air return opening is arranged above the pedestrian passageway, guardrails are arranged on two sides of the pedestrian passageway, and the air supply opening is arranged on the guardrails.
The invention has the beneficial effects that:
according to the air-returning air-sterilizing device for emergency epidemic prevention, the gas flow channel is arranged in the shell, when the air-returning air-sterilizing device is used, the fan is used for driving gas to flow from the gas inlet to the gas outlet, and meanwhile, the sterilizing system is used for sterilizing and killing viruses and bacteria contained in the gas, so that the requirements of epidemic prevention can be met; in addition, the epidemic prevention emergency air returning, eliminating and killing device is not attached to the existing fixed ventilation facility, is convenient to carry and flexible and changeable to use, and can meet the emergency epidemic prevention use requirement of a specific area after field assembly.
According to the epidemic prevention emergency system, the air return opening and the air supply opening are respectively arranged above and below the head of a human body, so that the fan is started when the epidemic prevention emergency system is used, airflow enters the air flow passage after passing through the air return opening, the air return pipe and the air inlet under the action of the fan, and flows out through the air outlet, the air supply pipe and the air supply opening after being killed by the killing system.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of an embodiment 1 of the epidemic prevention emergency air-returning sterilizing device of the invention;
FIG. 2 is a schematic structural diagram of an embodiment 2 of the epidemic prevention emergency system of the invention; in particular to a structure schematic diagram when being matched with a seat;
fig. 3 is an air flow simulation diagram when the seat is matched with the seat, and (a) is an air flow simulation diagram when an epidemic prevention emergency system is not arranged; (b) the method comprises the following steps of (1) setting an airflow simulation diagram after an epidemic prevention emergency system is set;
FIG. 4 is a schematic view of the structure in cooperation with a pedestrian passageway;
fig. 5 is an airflow simulation diagram when the air conditioner is matched with a pedestrian passageway, and (a) is an airflow simulation diagram when an epidemic prevention emergency system is not arranged; (b) is an airflow simulation diagram after an epidemic prevention emergency system is arranged.
Description of reference numerals:
10-a housing; 11-a gas flow channel; 12-a gas inlet; 13-gas outlet; 14-a fan; 15-plenum box; 16-a filter; 17-an ultraviolet lamp; 18-a wind deflector; 19-an electric cabinet;
21-air return inlet; 22-air supply outlet; 23-return air pipe; 24-blast pipe; 25-a seat; 26-a seat armrest; 27-walkway; 28-a guardrail; 29-epidemic prevention emergency air returning, sterilizing and killing device.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Example 1
Fig. 1 is a schematic structural view of an embodiment 1 of the epidemic prevention emergency air returning, killing and disinfecting device of the present invention. The emergency air returning and sterilizing device for epidemic prevention of the embodiment comprises a shell 10, wherein a gas flow passage 11 is arranged in the shell 10, a gas inlet 12 and a gas outlet 13 are respectively arranged at two ends of the gas flow passage 11, and a sterilizing system and a fan 14 for driving airflow to flow from the gas inlet 12 to the gas outlet 13 are arranged in the gas flow passage 11. The fan 14 of the embodiment adopts a centrifugal fan, and can realize variable speed regulation; of course, in other embodiments, the fan 14 may also be a three-speed external rotor fan.
Further, the fan 14 of the present embodiment is disposed in the gas outlet 13, and the static pressure box 15 is disposed between the fan 14 and the gas outlet 13, and the static pressure box 15 can reduce wind noise. A filter 16 is provided in the gas inlet 12 to filter the gas flow.
Further, the sterilization system includes an ultraviolet lamp 17 and/or a plasma generator disposed in the gas flow channel 11, and the sterilization system of this embodiment includes an ultraviolet lamp 17 disposed in the gas flow channel 11, of course, in some other embodiments, according to epidemic prevention requirements, a plasma generator may also be disposed in the gas flow channel 11, and of course, both an ultraviolet lamp 17 and a plasma generator may also be disposed in the gas flow channel 11.
Furthermore, the two opposite side walls of the housing 10 are respectively provided with wind shields 18, and the wind shields 18 respectively arranged on the two sides of the housing 10 are staggered to form the gas channel 11, so that the length of the gas channel 11 can be increased, the time for the gas flow to flow in the gas channel 11 is prolonged, and the killing effect is improved. Specifically, in this embodiment, a killing system is disposed between two adjacent wind deflectors 18, so as to improve the killing effect. The length of the wind deflector 18 is equal to 60% -90% of the distance between the two opposite side walls of the housing 10, and the length of the wind deflector 18 of the present embodiment is equal to 80% of the distance between the two opposite side walls of the housing 10.
According to the air-returning air-sterilizing device for emergency epidemic prevention, the gas flow channel is arranged in the shell, when the air-returning air-sterilizing device is used, the fan is used for driving gas to flow from the gas inlet to the gas outlet, and meanwhile, the sterilizing system is used for sterilizing and killing viruses and bacteria contained in the gas, so that the requirements of epidemic prevention can be met; in addition, the epidemic prevention emergency air returning, eliminating and killing device is not attached to the existing fixed ventilation facility, is convenient to carry and flexible and changeable to use, and can meet the emergency epidemic prevention use requirement of a specific area after field assembly.
Example 2
Fig. 2 is a schematic structural diagram of an epidemic prevention emergency system in embodiment 2 of the present invention. The epidemic prevention emergency system comprises an air return inlet 21 positioned above the head of a human body, an air supply outlet 22 positioned below the head of the human body and an epidemic prevention emergency air return sterilizing device, wherein an air return pipe 23 is arranged between the air return inlet 21 and the gas inlet 12 and is connected with the air supply outlet 22 and the gas outlet 13, and an air supply pipe 24 is arranged between the air supply outlet 22 and the gas outlet 13 and is connected with the air supply outlet; under the action of the fan 14, the air flow flows upwards into the air return opening 21, is treated by the killing system and then flows out upwards from the air supply opening 22. The epidemic prevention emergency air returning, sterilizing and disinfecting device of the embodiment is as described in embodiment 1, and will not be described in detail.
Preferably, two air blowing openings 22 are provided and located at two sides of the human body, respectively, and the air outlet directions of the air blowing openings 22 at the two sides are both upward and deflected toward the side of the head of the human body.
An electric cabinet 19 is arranged in the housing 10 of the embodiment. A control system is arranged in the electric cabinet 19, the control system comprises a controller, a fan control circuit for controlling the fan 14, an ultraviolet lamp control circuit for controlling the ultraviolet lamp 17 and an intelligent sensing system for sensing whether a person is in the epidemic prevention area, and when the intelligent sensing system senses that the person is in the epidemic prevention area, the controller controls the fan 14 to be started through the fan control circuit and controls the air volume so as to meet the use requirements of different scenes; meanwhile, the ultraviolet lamp 17 is controlled to be started through the ultraviolet lamp control circuit, and parameters such as power of the ultraviolet lamp 17 are controlled, so that the technical purpose of killing the air flow entering the air flow channel 11 is achieved.
Specifically, the epidemic prevention emergency system of the embodiment can be flexibly used in various scenes. If the epidemic prevention area is a station waiting hall, a hospital waiting area or the like, the area is generally provided with seats, and in this case, the air return opening 21 can be arranged above the seat 25, and the air supply opening 22 can be arranged on the seat armrest 26. In addition, an epidemic prevention emergency system is arranged, an epidemic prevention emergency air return killing device can be arranged corresponding to each seat 25, and a plurality of seats 25 can share one epidemic prevention emergency air return killing device.
Specifically, the air supply opening 22 is arranged at the seat armrest 26 and is a slit-shaped air supply opening with the size of 300mm × 50mm, the air outlet direction of the air supply opening 22 at this time is upward and deflects 5 degrees towards the side where the head of the human body is located, and the grid-shaped air return opening 21 is located right above the seat and is about 0.8m away from the upper end of the seat back. In order to reduce the occupied area, the epidemic prevention emergency air supply-back killing device is arranged below the seat, and the higher-power epidemic prevention emergency air supply-back killing device can bear more air killing loads in the seat area, as shown in fig. 2, the epidemic prevention emergency system integrated by a plurality of groups of seats is provided. The gas exhaled by the personnel in the seat area can be reduced from diffusing to the periphery under the air flow organization of the air return opening, and is collected by the air return opening, enters the epidemic prevention emergency air return sterilizing device for sterilization and then is delivered to the breathing area of the human body again, so that the risk of virus cross infection exhaled by potential infected people is reduced. Through cfd (computational Fluid dynamics) simulation, the distribution of the exhaled air of the human body under the action of the epidemic prevention emergency system is obtained, as shown in fig. 3. Compared with simulation results, the system reduces the risk of close-range virus propagation of personnel.
When the epidemic prevention area is a queuing area of a public space, the air supply outlet 22 is arranged at the top of the pedestrian guardrails on two sides, the air supply outlet is in a strip-shaped arrangement, and the air supply angle is vertically 45 degrees deviated from the human body. The air return opening is arranged at a position about 0.5 m away from the top of the head of a person, and a grid type air return opening is adopted. The power of the epidemic prevention emergency air returning, killing and extinguishing device can be adjusted according to the number of covering personnel, and the epidemic prevention emergency system can be flexibly assembled, as shown in figure 4. The gas exhaled by personnel in the queuing area can be reduced to spread to the periphery under the airflow organization, and is collected by the air return opening, enters the epidemic prevention emergency air return sterilizing and disinfecting device, is disinfected and sterilized, and is then sent to the respiratory area of a human body again, so that the risk of virus cross infection is reduced. The distribution of the exhaled air of the people in the queuing area under the action of the epidemic prevention emergency system is obtained through CFD simulation calculation, and the distribution is shown in figure 5. Compared with simulation results, the system has the advantage that the risk of close-range virus propagation of personnel is reduced after the system acts on the queuing area.
The epidemic prevention emergency system of this embodiment, through set up return air inlet and supply-air outlet respectively in human head top and below, so, start the fan during use, under the effect of fan, the air current passes through the return air inlet, enter the gas flow way behind return air duct and the gas inlet, and through the gas outlet after the system of killing disappears, supply-air duct and supply-air outlet flow, because return air inlet and supply-air outlet are located human head upper and lower both sides respectively, so, the gas of human exhalation enters into the return air inlet under the air current guide effect, the inspiratory air current of human then is the gas after killing that flows through the supply-air outlet, the air current flows and has the independence, can effectively avoid relatively poor infection.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides an emergent wind of sending back of epidemic prevention disappears and kills device which characterized in that: the air-conditioning device comprises a shell (10), wherein a gas flow channel (11) is arranged in the shell (10), a gas inlet (12) and a gas outlet (13) are respectively arranged at two ends of the gas flow channel (11), and a sterilizing system and a fan (14) for driving airflow to flow from the gas inlet (12) to the gas outlet (13) are arranged in the gas flow channel (11).
2. The epidemic prevention emergency air returning, killing and extinguishing device according to claim 1, wherein: the fan (14) is arranged in the gas outlet (13), and a static pressure box (15) is arranged between the fan (14) and the gas outlet (13); a filter (16) is arranged in the gas inlet (12).
3. The epidemic prevention emergency air returning, killing and extinguishing device according to claim 1 or 2, characterized in that: the killing system comprises an ultraviolet lamp (17) and/or a plasma generator arranged in the gas flow channel (11).
4. The epidemic prevention emergency air returning, killing and extinguishing device according to claim 3, wherein: wind shields (18) are respectively arranged on two opposite side walls of the shell (10), and the wind shields (18) respectively arranged on two sides of the shell (10) are arranged in a staggered mode to form the gas flow channel (11).
5. The epidemic prevention emergency air returning, killing and eliminating device according to claim 4, wherein: the killing system is arranged between two adjacent wind deflectors (18).
6. The epidemic prevention emergency air returning, killing and extinguishing device according to claim 4, wherein: the length of the wind deflector (18) is equal to 60% -90% of the distance between the two opposite side walls of the shell (10).
7. An epidemic prevention emergency system is characterized in that: comprises an air return inlet (21) positioned above the head of a human body, an air supply outlet (22) positioned below the head of the human body and the epidemic prevention emergency air return sterilizing device as claimed in any one of claims 1 to 6, wherein an air return pipe (23) is arranged between the air return inlet (21) and the gas inlet (12) for connection, and an air supply pipe (24) is arranged between the air supply outlet (22) and the gas outlet (13) for connection; under the action of the fan (14), the airflow flows upwards to enter the air return opening (21) and flows out upwards from the air supply opening (22) after being processed by the killing system.
8. The epidemic prevention emergency system of claim 7, wherein: the two air supply openings (22) are respectively positioned at two sides of a human body, and the air outlet directions of the air supply openings (22) at the two sides are upward and deflect towards the side where the head of the human body is positioned.
9. The epidemic prevention emergency system according to claim 7 or 8, wherein: the air return opening (21) is arranged above the seat (25), and the air supply opening (22) is arranged on the seat armrest (26).
10. The epidemic prevention emergency system according to claim 7 or 8, wherein: the air return opening (21) is arranged above the pedestrian passageway (27), the two sides of the pedestrian passageway (27) are provided with guardrails (28), and the air supply opening (22) is arranged on the guardrails (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210404548.7A CN114719382A (en) | 2022-04-18 | 2022-04-18 | Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210404548.7A CN114719382A (en) | 2022-04-18 | 2022-04-18 | Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114719382A true CN114719382A (en) | 2022-07-08 |
Family
ID=82244219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210404548.7A Pending CN114719382A (en) | 2022-04-18 | 2022-04-18 | Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114719382A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116271173A (en) * | 2023-03-22 | 2023-06-23 | 华安芯科技(深圳)有限公司 | Self-service equipment disinfection channel aerodynamic system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208832610U (en) * | 2018-08-07 | 2019-05-07 | 四川医小二医疗器械有限公司 | It is a kind of epidemic prevention, ten thousand grades of energy-efficient animal surgery room clean by laminar flow system |
| CN112268336A (en) * | 2020-09-04 | 2021-01-26 | 东华大学 | Personal protection ventilation system and ventilation method for efficiently sending and exhausting air in dense space |
| CN112856687A (en) * | 2021-01-18 | 2021-05-28 | 青岛理工大学 | Horizontal and vertical blowing and sucking combined air isolation device, system and method |
-
2022
- 2022-04-18 CN CN202210404548.7A patent/CN114719382A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208832610U (en) * | 2018-08-07 | 2019-05-07 | 四川医小二医疗器械有限公司 | It is a kind of epidemic prevention, ten thousand grades of energy-efficient animal surgery room clean by laminar flow system |
| CN112268336A (en) * | 2020-09-04 | 2021-01-26 | 东华大学 | Personal protection ventilation system and ventilation method for efficiently sending and exhausting air in dense space |
| CN112856687A (en) * | 2021-01-18 | 2021-05-28 | 青岛理工大学 | Horizontal and vertical blowing and sucking combined air isolation device, system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116271173A (en) * | 2023-03-22 | 2023-06-23 | 华安芯科技(深圳)有限公司 | Self-service equipment disinfection channel aerodynamic system |
| CN116271173B (en) * | 2023-03-22 | 2024-07-12 | 华安芯科技(深圳)有限公司 | Self-service equipment disinfection channel aerodynamic system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111486529B (en) | Pathogenic microorganism prevention and control ward air directional transmission device and air sterilization and killing system | |
| US11648331B2 (en) | Systems, apparatus and methods for purifying air | |
| CN108669809B (en) | Semi-isolation diagnosis table | |
| CN108837172A (en) | The isolated disinfection diagnosis and treatment table equipment of one kind and its application method | |
| CN211876273U (en) | Air circulation system for negative pressure isolation cabin | |
| CN114719382A (en) | Epidemic prevention emergency air return and air return sterilizing device and epidemic prevention emergency system | |
| CN106996614A (en) | A kind of pair of wind path air dissipation method and its application | |
| CN212754776U (en) | Purification isolation platform | |
| CN211876226U (en) | Air conditioner sterilization structure and air conditioner | |
| CN206755386U (en) | Assembled intelligent air sterilizer and its application | |
| CN115095949B (en) | Vertically upward air curtain system for preventing virus from drifting and spreading | |
| CN215929961U (en) | Ventilation system suitable for ward | |
| CN213577941U (en) | Secure channel device | |
| CN212774812U (en) | Self-disinfection fan and fan with disinfection function | |
| CN1470811A (en) | Air (return air) disinfecting method for central air conditioning system | |
| CN212308508U (en) | Device for killing viruses and bacteria in indoor aerosol in real time | |
| CN211876275U (en) | Air curtain special for epidemic prevention | |
| KR102426540B1 (en) | Ventilation system with disinfection function to prevent the spread of coronavirus and respiratory diseases | |
| CN212457267U (en) | A ward ventilation unit for infectious department | |
| KR102268886B1 (en) | Gas clean apparatus | |
| CN212535228U (en) | Isolation system | |
| CN113303600A (en) | Purification isolation platform | |
| CN214536676U (en) | Negative pressure keeps apart ventilation unit for ward | |
| CN105056277A (en) | Plasma purification and disinfection equipment suitable for waiting room | |
| CN111991600A (en) | Device and method for killing viruses and bacteria in indoor aerosol in real time |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220708 |
|
| RJ01 | Rejection of invention patent application after publication |