CN119617573A - Indoor positive airflow isolation barrier and large air circulation system - Google Patents
Indoor positive airflow isolation barrier and large air circulation system Download PDFInfo
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- CN119617573A CN119617573A CN202411953906.5A CN202411953906A CN119617573A CN 119617573 A CN119617573 A CN 119617573A CN 202411953906 A CN202411953906 A CN 202411953906A CN 119617573 A CN119617573 A CN 119617573A
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Abstract
本发明涉及室内空气循环系统技术领域，公开了一种室内正向气流隔离屏障和空气大循环系统，包括室内空间、底部送风空间和顶部抽风空间，所述底部送风空间位于室内空间的下方，所述顶部抽风空间位于室内空间的上方，所述室内空间的底部设有若干与底部送风空间连通的横向条状远程送风口和纵向条状远程送风口，所述横向条状远程送风口和纵向条状远程送风口所围成的空间为垂直气流隔离空间，所述垂直气流隔离空间内仅能用于容纳一个人，所述室内空间的顶部设有若干与顶部抽风空间连通的横向抽风口和纵向抽风口；本发明提供的一种室内正向气流隔离屏障和空气大循环系统，解决了现有技术无法从源头上切断病毒在室内环境中的横向流通进而产生病毒传播的问题。
The present invention relates to the technical field of indoor air circulation systems, and discloses an indoor positive airflow isolation barrier and a large air circulation system, comprising an indoor space, a bottom air supply space and a top air exhaust space, wherein the bottom air supply space is located below the indoor space, and the top air exhaust space is located above the indoor space, and the bottom of the indoor space is provided with a plurality of transverse strip remote air supply ports and longitudinal strip remote air supply ports connected with the bottom air supply space, and the space surrounded by the transverse strip remote air supply ports and the longitudinal strip remote air supply ports is a vertical airflow isolation space, and the vertical airflow isolation space can only be used to accommodate one person, and the top of the indoor space is provided with a plurality of transverse exhaust ports and longitudinal exhaust ports connected with the top exhaust space; the indoor positive airflow isolation barrier and the large air circulation system provided by the present invention solve the problem that the prior art cannot cut off the transverse circulation of viruses in the indoor environment from the source, thereby causing virus transmission.
Description
Technical Field
The invention relates to the technical field of indoor air circulation systems, in particular to an indoor forward airflow isolation barrier and an air large circulation system.
Background
In the prior art, in the same indoor environment, the virus in the air exhaled by bystanders can circulate in the indoor transverse direction, the transverse circulation of the indoor air can accelerate the virus transmission, in the prior art, through installing an air purifying device in the indoor, the polluted air can be purified only, and the virus transmission in the air can not be blocked from the source. Therefore, how to cut off the lateral circulation of viruses in indoor environments from the source is an urgent problem to be solved at present.
Disclosure of Invention
The present invention is directed to an indoor forward airflow isolation barrier and air circulation system that addresses at least one of the above-identified problems of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides an indoor forward air current isolation barrier and air large circulation system, includes indoor space, bottom air supply space and top air extraction space, bottom air supply space is located indoor space's below, top air extraction space is located indoor space's top, indoor space's bottom is equipped with a plurality of long-range supply-air openings of horizontal strip and long-range supply-air openings of vertical strip with bottom air supply space intercommunication, the space that horizontal long-range supply-air opening of strip and long-range supply-air opening of vertical strip enclose is vertical air current isolation space, only can be used for holding a person in the vertical air current isolation space, indoor space's top be equipped with a plurality of long-range exhaust openings and the vertical exhaust opening with top air extraction space intercommunication, the vertical projection coincidence of long-range supply-air opening of horizontal strip and vertical exhaust opening, connect gradually air exhauster, air disinfection device and forced draught blower between the exit end in top air extraction space and the entry end in bottom air extraction space.
According to the technical scheme, due to the fact that the vertical projection of the horizontal strip-shaped remote air supply opening is overlapped with the vertical projection of the horizontal air suction opening, the vertical projection of the vertical strip-shaped remote air supply opening is overlapped with the vertical projection of the vertical air suction opening, then in the process of air outlet of the horizontal strip-shaped remote air supply opening, the vertical air suction opening and the vertical air suction opening, a main air flow barrier is formed between the air supply opening and the air suction opening when air is supplied for suction, no barrier is formed between the vertical strip-shaped remote air supply opening and the main air flow of the vertical air suction opening, the air flow speed is high, the formation of a direct-lift air flow barrier capable of isolating surrounding air flows is facilitated, and then individuals in a vertical air flow isolation space can be protected. Specifically, because the room has a plurality of independent vertical airflow isolation spaces, the lateral circulation of air viruses exhaled by other people can be cut off through the vertical airflow barrier, clean air sent by the strip-shaped air supply outlet is breathed at the same time, indoor airflow flows in and out, and the whole upward convection is carried out, people breathe air which is not exhaled by other people, and the indoor airflow flows to be not bent and has continuous flow. According to the technical scheme, the indoor air flow sequentially forms gradient density differences from bottom to top by utilizing the air density of the indoor air supply with the density higher than that of the air emitted by a human body, accords with the law of high-density air flowing to low-density air, and achieves the purpose of forward air flow rising. The air supply pressure at the indoor bottom is higher than the top exhaust negative pressure, so that the expired turbid air is sent forward, the upward positive air flow is realized, and the law of high-pressure air flowing to low-pressure air is met. The flow rate of the air supplied from the bottom of the room is higher than that of the air supplied from the upper part of the room, and the diffusion air flow is closer to the human body breathing area when the flow rate of the main air flow of the air supplied is higher, so that the air supplied by the diffusion air is beneficial to being mixed with virus air to rise when the flow of the diffusion air rises, and the turbid air exhaled by people is taken away in a forward direction. Because the exhaust fan, the air sterilizing device and the blower are sequentially connected between the outlet end of the top air draft space and the inlet end of the bottom air supply space, the turbid air exhaled by the human body is pumped away by the exhaust fan, then enters the air sterilizing device to be sterilized, purified and deliquified, the blower sends the purified air flow into the indoor space from the bottom air supply space through the transverse strip-shaped remote air supply opening and the longitudinal strip-shaped remote air supply opening, the air flow rises, the human body is supplied to inhale and discharge, and the whole air circulation process is completed.
Furthermore, the air conditioner air pipe machine is connected with the inlet end of the air feeder and the bottom air supply space, and is a lower air conditioner air pipe machine, so that the functions of temperature adjustment and clean air output are achieved.
Further, still include desk air current barrier component, desk air current barrier component is including setting up desk, chair and the air supply interface in perpendicular air current isolation space, the bottom in the indoor space that is close to corresponding desk is installed to the air supply interface, air supply interface and bottom air supply space intercommunication, all be equipped with the tuber pipe around the desktop of desk, be equipped with the wind gap along the length direction of tuber pipe on the tuber pipe, the air supply interface passes through the hose and is connected with the tuber pipe.
The desk air flow barrier component is used in a crowded place with a chair and a desk in the room, and plays a role in preventing air viruses and cross flow.
Further, in order to better realize the communication between the tuber pipes, four tuber pipes are communicated in proper order through the elbow, the hose is connected with arbitrary tuber pipe.
Further, in order to adjust the air-out direction of tuber pipe as required, the tuber pipe passes through the tuber pipe support and rotates to be installed on the desk, the axis of rotation of tuber pipe is unanimous with the axis of tuber pipe, tuber pipe and elbow normal running fit.
Further, in order to be convenient for set up the size of supply-air outlet as required, horizontal long-range supply-air outlet of strip and long-range supply-air outlet of vertical strip include PMKD, the last symmetry of PMKD is equipped with adjustable slide, and the clearance between the adjustable slide of relative setting forms long-range air outlet of strip, the clearance between the adjustable slide is adjustable.
The vertical air flow barrier has the beneficial effects that according to the technical scheme, as the vertical projections of the horizontal strip-shaped remote air supply opening and the horizontal air suction opening are overlapped, the vertical projections of the vertical strip-shaped remote air supply opening and the vertical air suction opening are overlapped, a main air flow barrier is formed between the lower air supply opening and the upper air suction opening when the air is supplied and sucked in the process of air outlet of the horizontal strip-shaped remote air supply opening and the vertical strip-shaped remote air supply opening and air suction of the horizontal air suction opening and the vertical air suction opening, no barrier exists between the vertical strip-shaped remote air supply opening and main air flow of the vertical air suction opening, the air flow speed is high, the formation of a vertical air flow barrier capable of isolating surrounding air flows is facilitated, and individuals in a vertical air flow isolation space can be protected. Specifically, because the room has a plurality of independent vertical airflow isolation spaces, the lateral circulation of air viruses exhaled by other people can be cut off through the vertical airflow barrier, clean air sent by the strip-shaped air supply outlet is breathed at the same time, indoor airflow flows in and out, and the whole upward convection is carried out, people breathe air which is not exhaled by other people, and the indoor airflow flows to be not bent and has continuous flow. According to the technical scheme, the indoor air flow sequentially forms gradient density differences from bottom to top by utilizing the air density of the indoor air supply with the density higher than that of the air emitted by a human body, accords with the law of high-density air flowing to low-density air, and achieves the purpose of forward air flow rising. The air supply pressure at the indoor bottom is higher than the top exhaust negative pressure, so that the expired turbid air is sent forward, the upward positive air flow is realized, and the law of high-pressure air flowing to low-pressure air is met. The flow rate of the air supplied from the bottom of the room is higher than that of the air supplied from the upper part of the room, and the diffusion air flow is closer to the human body breathing area when the flow rate of the main air flow of the air supplied is higher, so that the air supplied by the diffusion air is beneficial to being mixed with virus air to rise when the flow of the diffusion air rises, and the turbid air exhaled by people is taken away in a forward direction. Because the exhaust fan, the air sterilizing device and the blower are sequentially connected between the outlet end of the top air draft space and the inlet end of the bottom air supply space, the turbid air exhaled by the human body is pumped away by the exhaust fan, then enters the air sterilizing device to be sterilized, purified and deliquified, the blower sends the purified air flow into the indoor space from the bottom air supply space through the transverse strip-shaped remote air supply opening and the longitudinal strip-shaped remote air supply opening, the air flow rises, the human body is supplied to inhale and discharge, and the whole air circulation process is completed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of another indoor environment according to the present invention;
FIG. 3 is a schematic view of the structure of the present invention in a room in top view;
FIG. 4 is a schematic top view of the desktop air duct according to the present invention;
FIG. 5 is a schematic side view of a desktop air duct according to the present invention;
FIG. 6 is a schematic view of a part of the installation state of a desktop air duct according to the present invention;
Fig. 7 is a schematic structural diagram of a strip-shaped remote air supply outlet according to the present invention.
In the figure, an indoor space 1, a lower clean air zone 1.1, a middle breathing zone 1.2, an upper dirty air zone 1.3, a bottom air supply space 2, a top air suction space 3, a transverse strip-shaped remote air supply opening 4, a longitudinal strip-shaped remote air supply opening 5, a vertical air flow isolation space 6, a longitudinal air suction opening 7, an air suction fan 8, an air sterilizing device 9, an air blower 10, an air conditioning air pipe machine 11, a table 12, a chair 13, an air supply interface 14, an air pipe 15, an elbow 16, an air pipe bracket 17, a fixed bottom plate 18, an adjustable sliding plate 19, upward diffusion air flow 20, a vertical air flow barrier 21, a hose 22, an air opening 23 and a strip-shaped remote air outlet 24.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, and it is obvious that the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
Example 1:
As shown in fig. 1-7, the embodiment provides an indoor forward airflow isolation barrier and air large circulation system, which comprises an indoor space 1, a bottom air supply space 2 and a top air suction space 3, wherein the bottom air supply space 2 is positioned below the indoor space 1, the top air suction space 3 is positioned above the indoor space 1, a plurality of horizontal strip-shaped remote air supply openings 4 and longitudinal strip-shaped remote air supply openings 5 which are communicated with the bottom air supply space 2 are arranged at the bottom of the indoor space 1, a space surrounded by the horizontal strip-shaped remote air supply openings 4 and the longitudinal strip-shaped remote air supply openings 5 is a vertical airflow isolation space 6, only one person can be accommodated in the vertical airflow isolation space 6, a plurality of horizontal air suction openings and longitudinal air suction openings 7 which are communicated with the top air suction space 3 are arranged at the top of the indoor space 1, the vertical projection of the horizontal strip-shaped remote air supply openings 4 is overlapped with the vertical projection of the horizontal air suction openings, and the vertical projection of the longitudinal strip-shaped remote air supply openings 5 is overlapped with the vertical projection of the longitudinal air suction openings 7, and an air suction machine 8, an air sterilizing device 9 and an air blower 10 are sequentially connected between the outlet end of the top air suction space 3 and the inlet end of the bottom air supply space 2.
It should be noted that, in the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5 in this technical solution, the air supply opening is designed to be an axial air supply opening, as shown in fig. 7, the air supply opening is in a strip-shaped necking shape with a wide bottom and a narrow top, so as to form a remote air supply nozzle, and the air supply airflow can be supplied for a longer distance, so that the air supply opening is defined as a strip-shaped remote air supply opening.
According to the technical scheme, as the vertical projection of the transverse strip-shaped remote air supply opening 4 and the vertical projection of the transverse air suction opening are overlapped, the vertical projection of the longitudinal strip-shaped remote air supply opening 5 and the vertical air suction opening 7 are overlapped, then in the process of air outlet of the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5 and air suction of the transverse air suction opening and the longitudinal air suction opening 7, a main air flow barrier is formed between the lower air supply opening and the upper air suction opening when air is blown, no barrier exists between the longitudinal strip-shaped remote air supply opening 5 and the main air flow of the longitudinal air suction opening 7, the air flow speed is high, the formation of a helicopter air flow barrier 21 capable of isolating surrounding air flows is facilitated, and then individuals in the vertical air flow isolation space 6 can be protected. Specifically, because the room has a plurality of independent vertical airflow isolation spaces 6, the air virus lateral circulation that other people breathed out can be cut off through the vertical airflow barrier 21 to breathe the clean air that strip long-range supply-air outlet sent simultaneously, indoor air flow goes into and goes up and goes out, wholly rise convection current, and people breathe the air that does not breathe out by other people, and indoor air flow direction is not turned round and the flow is continuous. According to the technical scheme, the indoor air flow sequentially forms gradient density differences from bottom to top by utilizing the air density of the indoor air supply with the density higher than that of the air emitted by a human body, accords with the law of high-density air flowing to low-density air, and achieves the purpose of forward air flow rising. The air supply pressure at the indoor bottom is higher than the top exhaust negative pressure, so that the expired turbid air is sent forward, the upward positive air flow is realized, and the law of high-pressure air flowing to low-pressure air is met. The flow rate of the air supplied from the bottom of the room is higher than that of the air supplied from the upper part of the room, and the diffusion air flow is closer to the human body breathing area when the flow rate of the main air flow of the air supplied is higher, so that the air supplied by the diffusion air is beneficial to being mixed with virus air to rise when the flow of the diffusion air rises, and the turbid air exhaled by people is taken away in a forward direction. Because the exhaust fan 8, the air sterilizing device 9 and the blower 10 are sequentially connected between the outlet end of the top exhaust space 3 and the inlet end of the bottom air supply space 2, the turbid air exhaled by a human body is pumped away by the exhaust fan 8, then enters the air sterilizing device 9 for sterilization, purification and liquid removal, the blower 10 sends the purified air flow into the indoor space 1 from the bottom air supply space 2 through the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5, the air flow rises, the human body is supplied to inhale and discharge upwards, the whole air circulation process is completed, and indoor viruses and harmful gases are not discharged in a large circulation system for sterilization treatment.
Example 2:
This example was optimized based on example 1 above.
The air blower 10 and the inlet end of the bottom air supply space 2 are connected with an air conditioner air pipe machine 11, and the air conditioner air pipe machine 11 is a lower air conditioner air pipe machine, and plays roles in regulating temperature and outputting clean air.
Example 3:
This example was optimized based on example 1 above.
Still include desk air current barrier component, desk air current barrier component is including setting up desk 12, chair 13 and air supply interface 14 in perpendicular air current isolation space 6, and air supply interface 14 installs in the bottom that is close to the indoor space 1 of corresponding desk 12, and air supply interface 14 and bottom air supply space 2 intercommunication all are equipped with tuber pipe 15 around desk 12, are equipped with wind gap 23 along the length direction of tuber pipe 15 on the tuber pipe 15, and air supply interface 14 passes through hose 22 and is connected with tuber pipe 15.
The desk air flow barrier component is used in a crowded place with a chair and a desk in the room, and plays a role in preventing air viruses and cross flow.
Example 4:
This example was optimized based on example 3 above.
In order to better realize the communication between the air pipes 15, the four air pipes 15 are communicated in sequence through the elbow 16, and the hose 22 is connected with any air pipe 15.
Example 5:
This example was optimized based on example 4 above.
In order to adjust the air outlet direction of the air pipe 15 according to the requirement, the air pipe 15 is rotatably arranged on the table 12 through an air pipe bracket 17, the rotation axis of the air pipe 15 is consistent with the axis of the air pipe 15, and the air pipe 15 is in rotary fit with the elbow 16.
Preferably, the left, right and front desktop air pipes 15 are arranged around the three sides of the outer side of the desktop, are leveled with the desktop, and the rear side air pipes 15 are slightly higher than the desktop, so that the whole air flow barrier desk and chair cloth pipe assembly can move forwards as required, and the air flow direction is changed and regulated. It should be noted that the tuyere 12 may be adjusted upward, or may be adjusted to the left or right, or only one air duct 15 may be provided as a rotatable air duct 15 as required.
Example 6:
This example was optimized based on example 1 above.
In order to set the size of the air supply opening according to the requirement, the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5 comprise a fixed bottom plate 18, adjustable sliding plates 19 are symmetrically arranged on the fixed bottom plate 18, a strip-shaped remote air outlet 24 is formed by gaps between the opposite adjustable sliding plates 19, and the gaps between the adjustable sliding plates 19 are adjustable.
According to the technical scheme, the indoor upper space and the indoor lower space are in a positive airflow state, indoor air uniformly enters the room through the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5 from the bottom air supply space 2, and airflow wholly and vertically rises. The person's breath comes from the clean air stream (air not breathed out by others) entering the lower clean air zone 1.1. The air sent out from the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5 is at positive pressure, the transverse air suction opening and the longitudinal air suction opening 7 are at negative pressure, and most of the air flows form main air flows which are vertically upward without turning and continuously upward except for part of the air flows which are diffused and upward.
In the indoor space 1, a clean air group whose air flow is entirely raised forms a lower clean air zone 1.1, and the air pressure is supplied by the blower 10, and the indoor space 1 sequentially forms a lower clean air zone 1.1, a middle breathing zone 1.2, and an upper dirty air zone 1.3 in a vertical height. The upper part is provided with negative pressure by an exhaust fan 8, and the turbid gas in the breathing zone of the head part of the middle part is sucked.
In fig. 1 and 2, the broken lines between the lower clean air zone 1.1, the middle breathing zone 1.2 and the upper dirty air zone 1.3 are not boundary lines, and represent the air flow transition zone, and are not clearly defined, and represent different air quality spaces. The lower airflow has high flow rate, the middle air diffusion amount is slightly larger, the upper negative pressure is high, the flow rate in the indoor air flow is promoted to be the flow rate of the lower clean air zone 1.1, the flow rate of the middle people breathing zone, the flow rate of the dirty air zone after diffusion mixing, and the whole airflow is always in a rising state. The wind speeds output by the transverse strip-shaped remote wind supply opening 4 and the longitudinal strip-shaped remote wind supply opening 5 can be several meters away, and can be more than 20 meters.
The air conditioner comprises an air blower 10, an air conditioner air pipe machine 11, a bottom air supply space 2, a transverse strip-shaped remote air supply opening 4 and a longitudinal strip-shaped remote air supply opening 5, wherein the air blower 10 inputs clean air sterilized and purified by an air sterilizing device 9 into the air conditioner air pipe machine 11 for temperature adjustment, and then the clean air is conveyed to a lower clean air zone 1.1 through the bottom air supply space 2 through the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5. The air conditioner air duct machine 11 is arranged below the indoor space 1, namely, the bottom air conditioner air duct machine, one end of the air conditioner air duct machine 11 is connected with an air outlet of the air disinfection device 9, and the other end is connected with the bottom air supply space 2.
The air of the transverse exhaust port and the longitudinal exhaust port 7 flows to the exhaust fan 8, is input into the rear section of the air flow formed by the air sterilizing device 9, the positive pressure main air flow sent by the blower 10 is oppositely relayed by the negative pressure attraction generated by the suction force of the exhaust fan 8, and the air flow in the dirty air area 1.3 at the upper part of the suction chamber is conveyed to the air sterilizing device 9 for sterilization and purification. The air sterilizing device 9 is completed by a chemical liquid medicine liquid film air machine, and can be seen in patent ZL201720699007.6, and the patent technology adopts liquid medicines with different components to correspondingly eliminate different viruses or harmful substances, which can be of all species, so that each pollutant or virus is saved and a single functional machine is required to be prepared.
The vertical airflow barrier 21 is fed with clean air by the horizontal strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5, rises straight (except for partial diffusion) at the space position without barriers, and forms a vertical airflow isolation barrier 21 under the negative pressure attraction of the horizontal air suction opening and the longitudinal air suction opening 7, the periphery of the human body of each person is surrounded by the vertical airflow barrier 21, and the exhalations of the person in the vertical airflow barrier are blocked by the vertical airflow barrier 21 and do not flow to other people. After the person exhales and is mixed by the ascending diffusion airflow, the person exhales and is pumped away under the suction force. The updraft barrier 21 and the updraft 20 flow in the same direction. The air supply of the blower 10 and the air suction of the air suction fan 8 are continuous in vertical relay, and the whole indoor air plane rises without dead angles. The blower 10 inputs clean air after being disinfected and purified by the air disinfecting device 9 into the air conditioner air pipe machine 11 for temperature adjustment, and then the clean air is conveyed to the indoor lower clean air zone 1.1 through the bottom air supply space 2, the transverse strip remote air supply opening 4 and the longitudinal strip remote air supply opening 5. The rising airflow passes through the indoor middle breathing zone 1.2, and the rising diffusion airflow is mixed with the exhaled turbid air to flow to the exhaust fan 8.
According to the technical scheme, in the air large circulation whole process, human body is pumped away from the expired turbid air by the exhaust fan 8, enters the full-function disinfection and purification air machine for disinfection and purification and liquid removal, the blower 10 is sent into the air conditioner air pipe machine 11, enters the room through the air supply space 2 at the bottom of the floor, the transverse strip-shaped remote air supply opening 4 and the longitudinal strip-shaped remote air supply opening 5, and the air flow rises to be inhaled by the human body and be mixed with expired air upwards, so that the whole air large circulation process is completed.
In the technical scheme, a plurality of air flow barriers which are singly arranged for each person are formed indoors, the application scene is wide, and indoor crowded places such as classrooms, meeting rooms, businesses, cultural relics, hotel rooms, hospitals, waiting rooms, central air conditioners and the like are all crowded places for work, study and life. Movable halls such as passenger elevators, passenger cars, cabins. When the virus attacks, vaccine is epidemic-resistant, epidemic-resistant and empty period from research and development to popular injection, and the technology is applicable to the vaccine, fills up the gap and is effective to various air viruses.
Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
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| CN202411953906.5A CN119617573A (en) | 2024-12-27 | 2024-12-27 | Indoor positive airflow isolation barrier and large air circulation system |
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| CN202411953906.5A CN119617573A (en) | 2024-12-27 | 2024-12-27 | Indoor positive airflow isolation barrier and large air circulation system |
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