CN215637772U - Air supply and exhaust device applied to infectious disease shelter hospital - Google Patents
Air supply and exhaust device applied to infectious disease shelter hospital Download PDFInfo
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- CN215637772U CN215637772U CN202122033431.6U CN202122033431U CN215637772U CN 215637772 U CN215637772 U CN 215637772U CN 202122033431 U CN202122033431 U CN 202122033431U CN 215637772 U CN215637772 U CN 215637772U
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- 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
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model relates to an air supply and exhaust device applied to a shelter hospital for infectious diseases, which comprises: the air supply device comprises an air supply box, an air supply device, an air suction device and an air exhaust device, wherein the air supply device comprises an air supply box, an air supply fan and an air supply filter which are all arranged in the air supply box; the air supply device comprises an air supply pipe, a main air supply outlet and a secondary air supply outlet, wherein the main air supply outlet and the secondary air supply outlet are both communicated with the air supply pipe; the air suction device comprises an air suction box, an air suction fan, an air exhaust filter and an air suction sterilizer which are all arranged in the air suction box; the exhaust device comprises an exhaust pipe and at least one exhaust port, the exhaust pipe is connected with an air suction inlet of the air suction box, and the exhaust port is connected with the exhaust pipe and is positioned at the head of the sickbed. The device makes outdoor new trend send into the cabin after air supply device handles, and the cabin air flows to the device that induced drafts through the air exit, handles the back and discharges, guarantees that the air current flows, avoids cross infection.
Description
Technical Field
The utility model relates to a shelter hospital, in particular to an air supply and exhaust device applied to an infectious disease shelter hospital.
Background
Aiming at the condition that the new coronavirus causes large-area infection, the ward infection prevention capability of a common hospital is insufficient, so that a ward with high infection prevention capability is needed. In order to realize the construction of a quick infection-preventing ward in an epidemic area, a shelter hospital is designed. The shelter hospital is built by adopting containers, so that modularization is realized, and the building speed is high. The shelter hospital provides warm air through the heater, and new air still needs to be imported in the cabin, but how to realize the import of fresh air and the exhaust of contaminated air to prevent cross infection is the problem that awaits solution urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides an air supply and exhaust device applied to a shelter hospital for infectious diseases, which has the advantages that outdoor fresh air is processed by an air supply device and then sent into a cabin, flows to an air suction device through an air outlet in the cabin, is processed by the air suction device and then is exhausted, so that organized ventilation is realized, airflow flow is ensured, cross infection is avoided, and the safety of medical personnel is protected, and the specific technical scheme is as follows:
an air supply and exhaust device for an infectious disease shelter hospital, comprising: the air supply device comprises an air supply box, an air supply fan and an air supply filter, wherein the air supply fan and the air supply filter are arranged in the air supply box; an air supply device, the air supply device comprising: the air supply box comprises an air supply pipe, a main air supply outlet and a secondary air supply outlet, wherein the main air supply outlet and the secondary air supply outlet are both communicated with the air supply pipe; the air suction device comprises an air suction box, an air suction fan, an air exhaust filter and an air suction sterilizer which are all arranged in the air suction box; an exhaust device, the exhaust device comprising: the exhaust pipe with be no less than one air exit, the exhaust pipe with the inlet connection that induced drafts of suction box, the air exit with the exhaust pipe is connected, just the air exit is located the head of sick bed.
Preferably, the air supply filter comprises an air supply primary filter and an air supply high-efficiency filter, and the air supply fan is positioned between the air supply primary filter and the air supply high-efficiency filter.
Preferably, the main air supply outlet and the secondary air supply outlet are both provided with three-side air supply diffusers, and the height of each three-side air supply diffuser is not lower than 2.27 m.
Furthermore, the air volume of the main air supply outlet is 300CMH, and the air volume of the auxiliary air supply outlet is 262 CMH.
Preferably, the exhaust filter includes induced draft primary filter and induced draft high efficiency filter, induced draft primary filter with induced draft sterilizer is located respectively induced draft fan's both sides, induced draft high efficiency filter be located induced draft case the export with induced draft between the sterilizer.
The exhaust device further comprises an exhaust filter, the exhaust filter is installed on the exhaust port, and the exhaust filter comprises a HEPA high-efficiency filter or a bag-in bag-out type dissolved enzyme inactivation HEPA high-efficiency filter.
Preferably, the air blowing device further includes: the air supply constant air quantity valve and the air supply electric closed regulating valve are both arranged on the air supply pipe; the exhaust device still includes: the air exhaust constant air quantity valve and the air exhaust electric closed regulating valve are both arranged on the air exhaust pipe; still include pressure sensor and controller, on pressure sensor installation ward and the corridor, pressure sensor, air supply air metering valve, the electronic airtight governing valve of air supply, the air exhaust air metering valve and the electronic airtight governing valve of airing exhaust are even controller electric connection.
Preferably, the air supply fan with between the air supply box and between the air suction fan with all be equipped with the bumper shock absorber between the suction box, the bumper shock absorber includes: the shock absorption fixing bottom plate is provided with a waist-shaped fixing hole; the damping base is fixed on the damping fixed bottom plate; one end of the damping spring is fixed on the damping base; the damping top seat is fixed at the other end of the damping spring; and the damping screw is installed on the damping top seat through threads.
Preferably, an air suction sampling interface is arranged at an air suction outlet of the air suction box.
Compared with the prior art, the utility model has the following beneficial effects:
the air supply and exhaust device applied to the infectious disease shelter hospital enables outdoor fresh air to be processed by the air supply device and then sent into the shelter, to flow to the air suction device through the air outlet in the shelter, and to be discharged after being processed by the air suction device, so that organized ventilation is realized, airflow flowing is guaranteed, cross infection is avoided, and the safety of medical personnel is protected.
Drawings
FIG. 1 is a schematic view of an air supply and exhaust device used in a shelter hospital for infectious diseases;
FIG. 2 is a schematic structural view of the air supply device;
FIG. 3 is a schematic structural view of a suction device;
fig. 4 is a schematic view of the structure of the shock absorber.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, an air supply and exhaust device for use in a hospital with a contagious disease shelter, comprising: air supply device 6, air supply device, air suction device and exhaust device.
The air supply device 6 comprises an air supply box 61, an air supply fan 63 and an air supply filter, wherein the air supply fan 63 and the air supply filter are both positioned in the air supply box 61; the air supply box 61 is made of a container, one end of the air supply box is provided with an air supply inlet 65, the air supply inlet 65 is connected with the heater, and the other end of the air supply box 61 is provided with an air supply outlet 66; the air supply filter comprises an air supply primary filter 62 and an air supply high-efficiency filter 64, an air supply fan 63 is positioned between the air supply primary filter 62 and the air supply high-efficiency filter 64, and the air supply fan 63 is fixed on the air supply box 61 through a shock absorber 7.
The air supply device includes: the air supply pipe 40, the main air supply outlet 31, the secondary air supply outlet 32, the air supply constant air volume valve 43 and the air supply electric closed adjusting valve 44, one end of the air supply pipe 40 is connected with an air supply outlet 66, the air supply pipe 40 is respectively connected with the main air supply outlet 31 and the secondary air supply outlet 32 through an air supply branch pipe 42, the main air supply outlet 31 and the secondary air supply outlet 32 are both provided with three-side air supply diffusers, and the height of the three-side air supply diffusers is not lower than 2.27 m; the main air supply outlet 31 is positioned above the inlet door 83, and the auxiliary air supply outlet 32 is positioned at the tail part of the sickbed 82; the air supply constant air quantity valve 43 and the air supply electric closed regulating valve 44 are both arranged on the air supply pipe 40; the air volume of the main blower port 31 is 300CMH, and the air volume of the sub blower port 32 is 262 CMH.
Outdoor fresh air is heated by the heater and then enters the air supply box 61 through the air supply inlet 65, and then hot air is filtered by the air supply primary filter 62 and the air supply high-efficiency filter 64 and then is sent into the cabin 81.
Air supply constant air volume valve 43: the value of the control valve is positioned by depending on the airflow force in the air pipe, so that the airflow is kept at the preset flow rate in the whole pressure difference range to meet the design requirement of the air volume; the air volume value of the air volume valve is preset for the air supply fixed air volume valve 43, one heating and ventilation system module is subjected to fine adjustment after trial assembly, other heating and ventilation system modules of the same type are subjected to the same setting after the air volume requirement is met, and secondary adjustment is not needed when the heating and ventilation system module is formally unfolded in a specified place. The air supply constant air volume control is prior to the air supply electric sealing regulating valve 44.
Air supply electric closed regulating valve 44: when the cabin 81 is disinfected, the air supply electric closed regulating valve 44 closes the pipeline system to meet the disinfection requirement; the electric closed regulating valve is provided with an analog input AI terminal and an analog output AO terminal, the central control room can monitor the valve opening and closing state, the valve opening and closing instruction is sent out according to whether the using state is disinfected, the valve regulating instruction is sent out according to the feedback of the cabin 81 pressure value and the pressure sensor in an autonomous calculation mode, and the requirements of automation and intelligent control are met.
Adopt high-order air supply, cabin 81 establishes main supply-air outlet 31 and follows supply-air outlet 32, is located the room top, guarantees that the air current flow direction is earlier through medical personnel workspace, back through patient region, protection medical personnel's safety.
The main air supply outlet 31 is provided with a three-side air supply diffuser, the size of the panel of the diffuser is 420X300, the air volume is 300CMH, and the installation height is as follows: ground +2.27 m. The main air supply outlet 31 supplies air in the direction of top-mounted air supply.
From supply air outlet 32, install trilateral air supply diffuser, diffuser panel size 420X300, amount of wind 262CMH, mounting height: ground +2.27 m.
The blast pipe 40 is installed in an outdoor channel, the prefabricated installation length is 3.6 meters, the multi-section pipeline is completely installed in advance, the on-site connection time is saved, the connector is an angle steel flange connector, the air supply branch pipe 42 is designed to be 1.2 meters and 0.6 meter according to the air quantity of each air pipe of the standard air pipe size, the air supply branch pipe is connected with an air supply outlet through the raise-turned rear side cabin 81, the blast pipe 40 and a support hanger are machined and installed in advance, a quick-assembly stainless steel support is provided, an installation connector is reserved in the cabin 81, and the on-site installation is facilitated.
The air suction device comprises an air suction box 51, an air suction fan 55, an air suction filter and an air suction sterilizer 53, wherein the air suction fan 55, the air suction sterilizer 53 and the air suction filter are all positioned in the air suction box 51; the air supply box 61 is made of a container, one end of the air supply box is provided with an air suction inlet 57, the other end of the air supply box is provided with an air suction outlet 56, and an air suction fan 55 is fixed in the air suction box 51 through a shock absorber 7; the induced draft filter includes induced draft primary filter 52 and induced draft high efficiency filter 54, and induced draft primary filter 52 and induced draft steriliser 53 are located the both sides of induced draft fan 55 respectively, and induced draft high efficiency filter 54 is located between induced draft export 56 and the induced draft steriliser 53 of induced draft case 51.
The exhaust device includes: the device comprises an exhaust pipe 10, a plurality of exhaust outlets 21, an exhaust filter, an exhaust quantitative valve 13 and an exhaust electric closed regulating valve 14, wherein the exhaust filter is arranged on the exhaust outlets 21 and comprises a HEPA high-efficiency filter or a bag-in bag-out type lytic enzyme inactivation HEPA high-efficiency filter; the air outlet 21 is positioned at the head part of the sickbed 82, the air outlet 21 is arranged on the air exhaust branch pipe 12, the air exhaust branch pipe 12 is connected with the air exhaust pipe 10, and the air exhaust pipe 10 is communicated with the air suction inlet 57 of the air suction box 51; the exhaust quantitative valve 13 and the exhaust electric closed regulating valve 14 are both arranged on the exhaust branch pipe 12.
The air supply and exhaust integrated device is characterized by further comprising a pressure sensor and a controller, wherein the pressure sensor is installed on a ward and a corridor, and the pressure sensor, the air supply fixed air quantity valve 43, the air supply electric closed regulating valve 44, the air exhaust proportional valve 13 and the air exhaust electric closed regulating valve 14 are electrically connected with the controller.
The positive and negative pressure exhaust has the functions of realizing organized ventilation: ensuring the orderly flow of air flow, avoiding mutual cross infection and preventing the disordered flow of peculiar smell in cabins 81 such as toilets, shoe changing rooms and the like.
The modular design is developed aiming at the whole scene application, the air suction sterilizer 53 is preset specially aiming at the air exhaust characteristic of an infectious disease hospital, different air suction sterilizers 53 are selected to be quickly inserted according to different virus characteristics when in use, and a plurality of modes can be selected to be combined for use if necessary, so that the aim of safely and efficiently exhausting air is fulfilled.
The difference between the fresh air volume and the air discharge volume is controlled by a pressure sensor, a controller, an air supply constant air volume valve 43, an air supply electric closed regulating valve 44, an air discharge constant valve 13 and an air discharge electric closed regulating valve 14 to maintain the indoor pressure difference. And a negative pressure ward area adopts a pressure difference control measure to ensure that the airflow flows from the direction of the potential pollution area → the pollution area, the ward maintains-10 Pa, and the adjacent room maintains a pressure gradient not less than 3-5 Pa. A micro differential pressure meter for displaying pressure difference values of different areas is arranged on the wall surface of the buffer room entering the ward area, so that medical care and maintenance personnel can conveniently observe whether the room pressure gradient and the air supply and exhaust system are normal in operation or not in real time. The ward and the corridor wall are provided with pressure sensors for displaying pressure difference values of different areas, so that maintenance personnel can conveniently observe whether the room pressure gradient and the air supply and exhaust system operate normally in real time.
The high efficiency filter air exit 21 is located cabin 81, designs for quick change formula high efficiency filter, and the interior exhaust of cabin 81 is carried to suction box 51 through exhaust pipe 10, and the preliminary effect filter 52 that induced drafts in the suction box 51 is handled with induced draft high efficiency filter 54 and the sterilizer 53 that induced drafts, and the safety is discharged. An air suction sampling interface is arranged at the air suction outlet 56 to detect the air discharged into the atmosphere, so that the air exhaust safety is ensured.
Inactivation treatment of air exhaust of important areas: the high efficiency filter of the exhaust 21 of the ICU cabinet 81 was selected to be a bag-in bag-out type HEPA high efficiency filter for lytic enzyme inactivation. The bag-in bag-out type high efficiency filter can realize safe and non-contact replacement. Other compartments 81 are optionally provided as required, typically HEPA high efficiency filters.
An exhaust proportional valve 13: the air exhaust state is unchanged, the air volume is changed to adapt to the pressure change, the pressure difference is accurately controlled, and the load of the air exhaust equipment is reduced; the variable air volume valve air volume value is preset for the exhaust proportional valve 13, one of the standardized modules is subjected to fine adjustment after trial assembly, other standardized modules of the same type are subjected to the same setting after the pressure requirement is met, and secondary adjustment is not needed when the air exhaust proportional valve is formally unfolded in a specified place. The air exhaust quantitative valve 13 controls the electric airtight adjusting valve 14 prior to the air exhaust.
Electric air exhaust closed regulating valve 14: when the cabin 81 is disinfected, the air exhaust electric closed regulating valve 14 is closed to close the pipeline system, so that the disinfection requirement is met; the electric closed regulating valve is provided with an analog input AI terminal and an analog output AO terminal, the central control room can monitor the valve opening and closing state, the valve opening and closing instruction is sent out according to whether the using state is disinfected, the valve regulating instruction is sent out according to the feedback of the cabin 81 pressure value and the pressure sensor in an autonomous calculation mode, and the requirements of automation and intelligent control are met.
The air outlet 21 is arranged: the sickbed 82 is provided with a low-level air outlet 21 at the bed head, and the chamber 81 is provided with a main air supply outlet 31 and a secondary air supply outlet 32, so that the air flow is ensured to pass through the working area of medical staff firstly and then pass through the patient area, and the safety of the medical staff is protected. The box type air outlet 21 is 400mm long, 400mm wide and 400mm deep, the high efficiency filter H13 is arranged in the box, the panel is a door hinge type air return inlet, and the air quantity is 281 CMH. An integral bathroom exhaust fan with the air volume of 150CMH is also arranged in the exhaust outlet 21.
The exhaust pipe 10 is installed in an outdoor channel, the prefabricated installation length is 3.6 meters, the field connection time is saved after the multi-section pipeline is installed in advance, the interface is a quick-assembly type plug-in buckle interface, the standard length of each section of air pipe is 1.2 meters and 0.6 meter according to the air volume design of the exhaust branch pipe 12, the exhaust outlet 21 and the exhaust branch pipe 12 are in quick-assembly type angle steel flange hard connection, the air pipe and a support hanger are machined and installed in advance, and the field installation of the quick-assembly type stainless steel support is facilitated.
The damper 7 includes: a damping fixed bottom plate 71, a damping base 72, a damping spring 73, a damping top seat 74 and a damping screw 75; the surface of the damping fixed bottom plate 71 is coated with rubber, a waist-shaped fixed hole 711 is arranged on the damping fixed bottom plate 71, and the fixed hole 711 of the damping fixed bottom plate 71 is fixed on the air supply box 61 and the air suction box 51 through screws; the damping base 72 is fixed on the damping fixed bottom plate 71; one end of the damping spring 73 is fixed on the damping base 72, and the other end is fixed on the damping top seat 74; the shock absorption top seat 74 is provided with an internal thread, the shock absorption screw 75 is installed on the shock absorption top seat 74 through the internal thread, and the shock absorber 7 is fixed on the air supply fan 63 and the air suction fan 55 through the shock absorption screw 75. The vibration absorber 7 has the advantages of compound vibration isolation and noise reduction, low natural frequency and good vibration isolation effect, and is more effective in isolating solid sound transmission, especially in isolating high-frequency impact sound transmission due to the body.
The air supply device, the air suction device and the air exhaust device applied to the infectious disease shelter hospital can provide safe fresh air for the shelter hospital, avoid cross infection and protect the safety of medical personnel. And the modular design is adopted, so that the device is convenient and fast and can be installed quickly. Outdoor fresh air is processed by the air supply device 6 and then sent into the cabin 81, flows to the air suction device through the air outlet 21 in the cabin 81, and is discharged after being processed by the air suction device, so that organized ventilation is realized, and air flow is ensured to flow.
The air supply and exhaust device applied to the infectious disease shelter hospital fully considers the safety of medical personnel entering a negative pressure ward, a three-surface top-attached air supply diffuser is arranged at a port 83 of a medical care inlet door to serve as an air supply port, a three-surface air supply diffuser is arranged in the middle of a cabin 81 opposite to a medical belt, a high-efficiency air outlet 21 is arranged below a patient bedside cabinet to form high-position air supply, and a safe airflow organization of low-position air exhaust at the head of a sickbed 82 is formed. The cabin 81 ensures that the airflow flows through the working area of the medical staff firstly and then through the patient area by arranging the main air supply opening 31 and the auxiliary air supply opening 32, thereby protecting the safety of the medical staff.
The ward and the toilet in the same area share one set of air supply/exhaust system, thereby greatly facilitating system debugging, effectively ensuring pressure gradient, and reasonably controlling the air quantity of the fan to avoid the influence of the running noise and vibration of the fan on ward personnel.
The system is designed in a modularization, standardization, systematization and assembly mode aiming at the air exhaust characteristic of an infectious disease hospital, and the requirements of functionality and safety are met.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.
Claims (9)
1. An air supply and exhaust device applied to an infectious disease shelter hospital is characterized by comprising:
the air supply device (6) comprises an air supply box (61), an air supply fan (63) and an air supply filter, wherein the air supply fan (63) and the air supply filter are both arranged in the air supply box (61);
an air supply device, the air supply device comprising: the air supply device comprises an air supply pipe (40), a main air supply outlet (31) and a secondary air supply outlet (32), wherein the main air supply outlet (31) and the secondary air supply outlet (32) are both communicated with the air supply pipe (40), the air supply pipe (40) is connected with an air supply outlet (66) of an air supply box (61), the main air supply outlet (31) is positioned above an air inlet door (83), and the secondary air supply outlet (32) is positioned at the tail part of a sickbed (82);
the air suction device comprises an air suction box (51), an air suction fan (55), an air suction filter and an air suction sterilizer (53), wherein the air suction fan, the air suction filter and the air suction sterilizer are all arranged in the air suction box (51);
an exhaust device, the exhaust device comprising: exhaust pipe (10) and be no less than one air exit (21), exhaust pipe (10) with induced draft import (57) of aspiration channel (51) are connected, air exit (21) with exhaust pipe (10) are connected, just air exit (21) are located the head of sick bed (82).
2. Air supply and exhaust device for infectious disease shelter hospitals according to claim 1, characterized in that said air supply filter comprises an air supply primary filter (62) and an air supply high efficiency filter (64), and said air supply fan (63) is located between said air supply primary filter (62) and said air supply high efficiency filter (64).
3. Air supply and exhaust device for infectious disease shelter hospitals according to claim 1, characterized in that said main supply air outlet (31) and said secondary supply air outlet (32) are equipped with three-side supply air diffusers, and the height of said three-side supply air diffuser is not lower than 2.27 m.
4. The air supply and exhaust device applied to the infectious disease shelter hospital according to claim 3, wherein the air volume of the main air supply opening (31) is 300CMH, and the air volume of the auxiliary air supply opening (32) is 262 CMH.
5. The air supply and exhaust device applied to the infectious disease shelter hospital according to claim 1, wherein the air suction filter comprises a primary air suction filter (52) and a high efficiency air suction filter (54), the primary air suction filter (52) and the high efficiency air suction filter (53) are respectively located at two sides of the air suction fan (55), and the high efficiency air suction filter (54) is located between an air suction outlet (56) of the air suction box (51) and the high efficiency air suction filter (53).
6. The ventilator of claim 5, further comprising a ventilator filter mounted on said exhaust port (21), said ventilator filter comprising a HEPA high efficiency filter or a bag-in bag-out type HEPA inactivation HEPA high efficiency filter.
7. An air supply and exhaust device for a shelter hospital for infectious diseases according to any one of claims 1 to 6, wherein said air supply device further comprises: the air supply constant air quantity valve (43) and the air supply electric closed regulating valve (44) are arranged on the air supply pipe (40);
the exhaust device still includes: the air exhaust metering valve (13) and the air exhaust electric closed regulating valve (14) are arranged on the air exhaust pipe (10);
still include pressure sensor and controller, on pressure sensor installation ward and the corridor, pressure sensor, air supply air quantity valve (43), the electronic airtight governing valve of air supply (44), the proportional valve of airing exhaust (13) and electronic airtight governing valve of airing exhaust (14) are even controller electric connection.
8. Air supply and exhaust device for infectious disease shelter hospitals according to claim 1, characterized in that between said air supply blower (63) and said air supply box (61) and between said air suction blower (55) and said air suction box (51) are mounted dampers (7), said dampers (7) comprising:
the damping fixing bottom plate (71), wherein a waist-shaped fixing hole (711) is formed in the damping fixing bottom plate (71);
the damping base (72) is fixed on the damping fixed bottom plate (71);
the damping spring (73), one end of the said damping spring (73) is fixed on the said damper base (72);
the shock absorption top seat (74), the shock absorption top seat (74) is fixed at the other end of the shock absorption spring (73); and
a shock absorbing screw (75), said shock absorbing screw (75) being threadedly mounted on said shock absorbing top mount (74).
9. The air supply and exhaust device applied to the infectious disease shelter hospital according to claim 1, wherein the air suction outlet (56) of the air suction box (51) is provided with an air suction sampling interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122033431.6U CN215637772U (en) | 2021-08-26 | 2021-08-26 | Air supply and exhaust device applied to infectious disease shelter hospital |
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| CN202122033431.6U CN215637772U (en) | 2021-08-26 | 2021-08-26 | Air supply and exhaust device applied to infectious disease shelter hospital |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935191A (en) * | 2022-07-25 | 2022-08-23 | 广东呼研菲兰科技有限责任公司 | Ventilation control method and system for reducing cross infection of ward passing air |
| CN115193491A (en) * | 2022-02-22 | 2022-10-18 | 上海东富龙爱瑞思科技有限公司 | System for protecting and aseptically isolating novel COVID-19 virus |
| CN115682199A (en) * | 2022-10-25 | 2023-02-03 | 军事科学院系统工程研究院卫勤保障技术研究所 | Pressure difference control and ventilation air-conditioning system for isolation cabin |
-
2021
- 2021-08-26 CN CN202122033431.6U patent/CN215637772U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115193491A (en) * | 2022-02-22 | 2022-10-18 | 上海东富龙爱瑞思科技有限公司 | System for protecting and aseptically isolating novel COVID-19 virus |
| CN114935191A (en) * | 2022-07-25 | 2022-08-23 | 广东呼研菲兰科技有限责任公司 | Ventilation control method and system for reducing cross infection of ward passing air |
| CN115682199A (en) * | 2022-10-25 | 2023-02-03 | 军事科学院系统工程研究院卫勤保障技术研究所 | Pressure difference control and ventilation air-conditioning system for isolation cabin |
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