CN209978225U - Air processor mounting structure of clean operating room - Google Patents
Air processor mounting structure of clean operating room Download PDFInfo
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- CN209978225U CN209978225U CN201920729058.8U CN201920729058U CN209978225U CN 209978225 U CN209978225 U CN 209978225U CN 201920729058 U CN201920729058 U CN 201920729058U CN 209978225 U CN209978225 U CN 209978225U
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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
- 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
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
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Abstract
The utility model relates to an air processor mounting structure of clean operating room, which relates to the field of air purification equipment, comprising an air processing unit, wherein the air processing unit comprises a ventilation air pipe, the ventilation air pipe is provided with an air inlet, an air intake fan and a fresh air port, a filtering air chamber is arranged in the ventilation air pipe, the filtering air chamber comprises a primary filter screen, an active carbon filter screen, a high-voltage static grid, an ultraviolet lamp tube and a titanium dioxide catalytic net which are distributed in sequence from the air inlet to the fresh air port, the high-voltage static grid, the ultraviolet lamp tube and the titanium dioxide catalytic net are all connected with a power supply, wherein large-particle dust, bacteria and small-particle dust are removed from the air first and last, after passing through the high-voltage static grid, the high-voltage static further adsorbs the dust, the air passes through the titanium dioxide catalytic net via ultraviolet sterilization, the titanium dioxide catalytic, the whole device is provided with multiple filtering and sterilizing facilities, and the air purification effect is good.
Description
Technical Field
The utility model belongs to the technical field of air purification equipment and specifically relates to an air treatment machine mounting structure of clean operating room is related to.
Background
With the rapid development of national economy and the continuous improvement of the living standard of people in China, a plurality of markets, office buildings, hotels and other public facilities are built around the country, a plurality of high-grade buildings are provided with central air conditioners, and the central air conditioning system mainly comprises a constant air volume full air system and a fresh air + fan coil system. The method comprises the following steps of firstly determining the air volume, the air pressure, the cold and heat quantity, the air outlet noise and the air filtering requirement of the air-conditioning box according to the load calculation result of the central air-conditioning system when the air-conditioning box is selected. Air fresh air systems in hospitals, particularly operating rooms, pay special attention to air cleanliness.
For example, chinese patent publication No. CN205747299U discloses an installation structure of a fresh air filtering device for a clean room, which includes a fresh air filter box, a fresh air inlet pipe, a fresh air outlet pipe, and a detachable filter; the fresh air filter box body is provided with a mounting opening which is communicated with the inside of the fresh air filter box body, and the fresh air inlet pipe and the fresh air outlet pipe are respectively connected and mounted with the air inlet and the air outlet of the fresh air filter box body; this detachable filter is installed on the fresh air filter box, and detachable filter is including the framework and set up filter screen and the handle in the framework, and the filter screen stretches into the inside of fresh air filter box through aforementioned installing port, and this handle is located outside the fresh air filter box. Through installing new trend filter box between new trend air-supply line and new trend play tuber pipe to cooperate detachable filter to install on new trend filter box, simple structure, easy dismounting can save installation time, and the installation is fixed firm.
However, the above-described technique has the following drawbacks: the air purifier is only provided with the filter screen, has poor capability of treating microorganisms such as bacteria contained in the air and cannot meet the clean requirement of an operating room.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air processor mounting structure of clean operating room, air purification is effectual, the bactericidal ability is strong.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides an air handler mounting structure of clean operating room, is including installing the air handling unit at the operating room top, the air handling unit is including the ventilation tuber pipe, the ventilation tuber pipe is equipped with air intake and air intake fan and leads to the external world, the ventilation tuber pipe still is equipped with the fresh air inlet and lets in the operating room, be equipped with the filtration plenum in the ventilation tuber pipe, the filtration plenum certainly primary filter screen, active carbon filter screen, high-pressure static electricity net, ultraviolet fluorescent tube, the titanium dioxide catalysis net that the air intake distributes in proper order to the fresh air inlet, the high-pressure static electricity net with the ultraviolet fluorescent tube with the titanium dioxide catalysis net all is connected with the power.
The technical scheme is implemented, the air intake fan is started, outside air is sucked into the air inlet, the air then enters the ventilation air pipe, the air sequentially passes through the primary filter screen, the activated carbon filter screen, the high-voltage electrostatic network, the ultraviolet lamp tube and the titanium dioxide catalytic network, large-particle dust is removed from the primary filter screen, part of bacteria and dust are adsorbed in the activated carbon filter screen, the high-voltage electrostatic network generates high-voltage static electricity, the air generates negative ions through ionization after passing through the high-voltage electrostatic network, the high-voltage static electricity further adsorbs the dust, then the ultraviolet lamp tube is started and introduced, the air is sterilized through ultraviolet rays, further, the air passes through the titanium dioxide catalytic network, the titanium dioxide catalytic network is activated through ultraviolet rays, a strong oxidation-reduction sterilization effect is generated, various organic compounds and part of inorganic matters can be oxidized and decomposed, the, the whole device is provided with multiple filtering and sterilizing facilities, and has good sterilizing effect and good air purifying effect.
The utility model discloses further set up to: the side wall of the filtering air chamber is provided with a plurality of clamping limiting blocks, the primary filter screen and the activated carbon filter screen are clamped with the clamping limiting blocks, and the side wall of the filtering air chamber is provided with a closed door leading to the clamping limiting blocks.
Implement above-mentioned technical scheme, set up the joint stopper and fix elementary filter screen and active carbon filter screen joint, further set up the closed door, can conveniently fix elementary filter screen and active carbon filter screen.
The utility model discloses further set up to: an ozone generator is arranged in the filtering air chamber close to the titanium dioxide catalytic net and far away from the ultraviolet lamp tube, and the ozone generator is connected with a power supply.
By implementing the technical scheme, the ozone generator is arranged to further treat the air, so that the sterilization capability of the device is enhanced.
The utility model discloses further set up to: the ventilation air duct is characterized in that a limiting slide rail is arranged in the ventilation air duct at the position of the filtering air chamber, the filtering air chamber is fixedly clamped with the ventilation air duct through the limiting slide rail, a hinged movable door is arranged in the ventilation air duct, and sealing strips are arranged on the periphery of the movable door.
According to the technical scheme, the limiting slide rail is arranged, the movable door is opened, the filtering air chamber is inserted into the ventilation air pipe along the limiting slide rail, the movable door is closed after the filtering air chamber is fixed, the air leakage of the movable door can be avoided by the sealing strip, and the movable door and the limiting slide rail are arranged, so that the filtering air chamber can be taken out conveniently during maintenance.
The utility model discloses further set up to: the periphery of the ventilation air pipe is arranged on the position, opposite to the filtering air chamber, of the active carbon filter screen and the high-voltage electrostatic screen, and a circulating air port is formed in the periphery of the ventilation air pipe and communicated with the circulating air port.
By implementing the technical scheme, the circulating fan is started, the circulating air port can suck the gas in the operating room into the ventilation air pipe again, and the air circulation in the operating room can be completed through filtration and sterilization.
The utility model discloses further set up to: and a sound insulation layer is arranged on the periphery of the air inlet fan.
Implement above-mentioned technical scheme, set up the puigging, the noise that the inlet air fan produced can be weakened to the puigging, promotes the environmental quality in the operating room.
The utility model discloses further set up to: the ventilation air pipe is internally provided with a cooling and heating assembly at the position of the fresh air port, and the cooling and heating assembly comprises a cold air module and a warm air module.
Implement above-mentioned technical scheme, set up the changes in temperature subassembly, wherein the cold wind module cools off the new trend, and the warm braw module heats the air, and the temperature in the adjustable change operating room maintains the temperature stability in the operating room.
The utility model discloses further set up to: the cold wind module is including locating cooling coil in the ventilation air duct, let in the comdenstion water in the cooling coil, the warm braw module is including locating the electrothermal tube in the ventilation air duct, the electrothermal tube is connected with the power.
Implement above-mentioned technical scheme, open cooling coil, let in the comdenstion water in with cooling coil, accomplish and cool off cooling coil and the interior new trend of ventilation air duct, when the temperature is lower, open the warm braw module, open the electrothermal tube, heat the new trend of ventilation air duct, can adjust the indoor temperature of operation through cooling coil and electrothermal tube.
To sum up, the utility model discloses a beneficial technological effect does:
1. the utility model discloses an air processor mounting structure of clean operating room, including air processing unit, air processing unit includes the ventilation tuber pipe, the ventilation tuber pipe is equipped with air intake fan and air intake fan, the fresh air mouth, be equipped with the filtration plenum in the ventilation tuber pipe, the primary filter screen that the filtration plenum distributes in proper order from the air intake to the fresh air mouth, the active carbon filter screen, high-pressure static electricity net, ultraviolet fluorescent tube, titanium dioxide catalysis net, high-pressure static electricity net and ultraviolet fluorescent tube and titanium dioxide catalysis net all are connected with the power, its air loops through primary filter screen, the active carbon filter screen, high-pressure static electricity net, ultraviolet fluorescent tube, titanium dioxide catalysis net, wherein remove large granule dust in the primary filter screen, adsorb partial bacterium and dust in the active carbon filter screen, high-pressure static electricity net produces high-pressure static electricity, after the air passes through high-pressure static electricity net, produce the anion via ionization, then, the ultraviolet lamp tube is opened and introduced, the ultraviolet sterilization is carried out, further, air passes through the titanium dioxide catalytic net, the titanium dioxide catalytic net is activated by ultraviolet rays, a strong oxidation-reduction sterilization effect is generated, various organic compounds and partial inorganic matters can be oxidized and decomposed, the treated fresh air is introduced into the operating room through the fresh air port, the whole device is provided with multiple filtering and sterilizing facilities, the sterilization effect is good, and the air purification effect is good;
2. the primary filter screen and the active carbon filter screen are clamped and fixed by the clamping limiting blocks, and the primary filter screen and the active carbon filter screen can be conveniently fixed by further arranging the closing door;
3. set up the changes in temperature subassembly, wherein the cold wind module cools off the new trend, and the warm braw module heats the air, and the temperature in the adjustable change operating room opens cooling coil, lets in the comdenstion water in with cooling coil, accomplishes and cools off the new trend in cooling coil and the ventilation air pipe, when the temperature is lower, opens the warm braw module, opens the electrothermal tube, heats the new trend in the ventilation air pipe, maintains the temperature stability in the operating room.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
In the figure: 1. an air handling unit; 2. a ventilation air duct; 3. an air inlet; 4. an air intake fan; 5. a fresh air port; 6. a filtering air chamber; 7. a primary filter screen; 8. an activated carbon filter screen; 9. a high voltage electrostatic network; 10. an ultraviolet lamp tube; 11. a titanium dioxide catalytic mesh; 12. clamping a limiting block; 13. closing the door; 14. an ozone generator; 15. a limiting slide rail; 16. a sealing strip; 17. a cooling and heating assembly; 18. a cold air module; 19. a warm air module; 20. a cooling coil; 21. an electric heating tube; 22. a circulating tuyere; 23. a circulating fan; 24. a sound insulating layer; 25. a movable door.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses an air handler mounting structure of clean operating room, including the air handling unit 1 installed at the top of the operating room, the air handling unit 1 includes the ventilation flue 2, the ventilation flue 2 is provided with the air intake 3 and the air intake fan 4 to the outside, the ventilation flue 2 is also provided with the fresh air port 5 to let into the operating room, the ventilation flue 2 is provided with the filtration plenum 6, the filtration plenum 6 is provided with the primary filter screen 7, the active carbon filter screen 8, the high-pressure static electric net 9, the ultraviolet lamp tube 10, the titanium dioxide catalysis net 11, the high-pressure static electric net 9 and the ultraviolet lamp tube 10 and the titanium dioxide catalysis net 11 which are distributed in sequence from the air intake 3 to the fresh air port 5 are all connected with the power supply, wherein the side wall of the filtration plenum 6 is provided with a plurality of clamping stoppers 12, the primary filter screen 7 and the active carbon filter screen 8 are all, set up joint stopper 12 and fix elementary filter screen 7 and the joint of active carbon filter screen 8, further set up closed door 13, can conveniently fix elementary filter screen 7 and active carbon filter screen 8.
Therefore, the air intake fan 4 is started, outside air is sucked into the air inlet 3, the air enters the ventilation air pipe 2, the air sequentially passes through the primary filter screen 7, the activated carbon filter screen 8, the high-voltage static grid 9, the ultraviolet lamp tube 10 and the titanium dioxide catalytic grid 11, large-particle dust is removed from the primary filter screen 7, partial bacteria and dust are adsorbed in the activated carbon filter screen 8, the high-voltage static grid 9 generates high-voltage static electricity, the air generates negative ions through ionization after passing through the high-voltage static grid 9, the high-voltage static electricity further adsorbs the dust, then the ultraviolet lamp tube 10 is started to be introduced, the ultraviolet sterilization is carried out, further, the air passes through the titanium dioxide catalytic grid 11, the titanium dioxide catalytic grid 11 is activated through ultraviolet rays, the extremely strong oxidation-reduction sterilization effect is generated, various organic compounds and partial inorganic matters can be oxidized and decomposed, the processed fresh air, the whole device is provided with multiple filtering and sterilizing facilities, and has good sterilizing effect and good air purifying effect.
Referring to fig. 2, in order to enhance the sterilization effect, an ozone generator 14 is arranged in the filtering air chamber 6 close to the titanium dioxide catalytic net 11 and far away from the ultraviolet lamp tube 10, and the ozone generator 14 is connected with a power supply to further process air, so that the sterilization capability of the device is enhanced.
Referring to fig. 2, in order to facilitate disassembly and maintenance of the ventilation system for daily inspection, a limiting slide rail 15 is arranged at a position, inside the ventilation air duct 2, of the filtering air chamber 6, the filtering air chamber 6 is clamped and fixed with the ventilation air duct 2 through the limiting slide rail 15, a hinged movable door 25 is arranged inside the ventilation air duct 2, sealing strips 16 are arranged around the movable door 25, the movable door 25 is opened, the filtering air chamber 6 is inserted into the ventilation air duct 2 along the limiting slide rail 15, the movable door 25 is closed after the filtering air chamber 6 is fixed, the sealing strips 16 can prevent the movable door 25 from leaking air, the movable door 25 and the limiting slide rail 15 are arranged, and the filtering air.
The outside temperature often changes along with the environment, and the operating room has higher requirement for the temperature, consequently refer to fig. 2, ventilation air duct 2 is interior to be provided with cold warm subassembly 17 in fresh air inlet 5 department, there are cold warm subassembly 17 including cold wind module 18 and warm braw module 19, cold wind module 18 is including locating the cooling coil 20 in ventilation air duct 2, let in the comdenstion water in the cooling coil 20, outdoor evaporation cooling heat exchanger unit (not drawn) that is provided with simultaneously, warm wind module 19 is including locating the electrothermal tube 21 in ventilation air duct 2, electrothermal tube 21 is connected with the power, wherein cold wind module 18 cools off the fresh air, warm braw module 19 heats the air, the temperature in the adjustable change operating room, maintain the temperature stability in the operating room.
Referring to fig. 2, in order to enhance the circulation of air in the operating room, a circulation air port 22 is arranged on the periphery of the ventilation air duct 2 between the filtering air chamber 6 and the activated carbon filter screen 8 and the high-voltage static electricity network 9, a circulation fan 23 is arranged on the periphery of the ventilation air duct 2 and is communicated with the circulation air port 22, the circulation air port 22 can suck the air in the operating room into the ventilation air duct 2 again, and the air circulation in the operating room can be completed through filtering and sterilization.
In order to reduce noise, referring to fig. 2, the sound insulation layer 24 is disposed on the periphery of the air intake fan 4, so that noise generated by the air intake fan 4 can be reduced, and the environmental quality in the operating room can be improved.
Working process (principle): the utility model discloses an air processor mounting structure of clean operating room, including air handling unit 1, air handling unit 1 includes ventilation flue 2, ventilation flue 2 is provided with air intake 3 and air intake fan 4, fresh air inlet 5, be provided with in the ventilation flue 2 and filter the plenum 6, filter the plenum 6 from air intake 3 to fresh air inlet 5 primary filter 7 that distributes in proper order, active carbon filter 8, high-voltage static net 9, ultraviolet fluorescent tube 10, titanium dioxide catalysis net 11, high-voltage static net 9 and ultraviolet fluorescent tube 10 and titanium dioxide catalysis net 11 all are connected with the power, its air loops through primary filter 7, active carbon filter 8, high-voltage static net 9, ultraviolet fluorescent tube 10, titanium dioxide catalysis net 11, wherein remove the large granule dust in primary filter 7, adsorb some bacterium and dust in active carbon filter 8, high-voltage static net 9 produces high-pressure static electricity, after the air passes through the high-voltage static electricity network 9, anion is generated through ionization, and the high-voltage static electricity further adsorbs dust, then the ultraviolet lamp tube 10 is opened and led in, through ultraviolet sterilization, further, the air passes through the titanium dioxide catalysis net 11, the titanium dioxide catalysis net 11 is activated through ultraviolet rays, the extremely strong sterilization effect of oxidation reduction is generated, various organic compounds and partial inorganic matters can be oxidized and decomposed, the ozone generator 14 is arranged at the same time, the sterilization capability of the device is enhanced, the cooling and heating component 17 is arranged, the temperature in the operating room can be adjusted and changed, the temperature in the operating room is maintained stable, the treated fresh air is finally led into the operating room through the fresh air port 5, the whole device is provided with multiple filtration and sterilization facilities, the sterilization effect is good, and the air.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an air handler mounting structure of clean operating room, is including installing air handling unit (1) at the operating room top, air handling unit (1) is including ventilation tuber pipe (2), ventilation tuber pipe (2) are equipped with air intake (3) and air inlet fan (4) and lead to the external world, ventilation tuber pipe (2) still are equipped with fresh air inlet (5) and let in the operating room, be equipped with in ventilation tuber pipe (2) and filter plenum (6), its characterized in that: the filter air chamber (6) is provided with a primary filter screen (7), an activated carbon filter screen (8), a high-voltage static screen (9), an ultraviolet lamp tube (10) and a titanium dioxide catalytic screen (11) which are sequentially distributed from the air inlet (3) to the fresh air inlet (5), and the high-voltage static screen (9), the ultraviolet lamp tube (10) and the titanium dioxide catalytic screen (11) are connected with a power supply.
2. A clean room air handler mounting structure according to claim 1, wherein: the side wall of the filtering air chamber (6) is provided with a plurality of clamping limiting blocks (12), the primary filter screen (7) and the activated carbon filter screen (8) are connected with the clamping limiting blocks (12) in a clamping mode, and the side wall of the filtering air chamber (6) is provided with a closed door (13) leading to the clamping limiting blocks (12).
3. A clean room air handler mounting structure according to claim 2, wherein: an ozone generator (14) is arranged in the filtering air chamber (6) close to the titanium dioxide catalytic net (11) and far away from the ultraviolet lamp tube (10), and the ozone generator (14) is connected with a power supply.
4. A clean room air handler mounting structure according to claim 3, wherein: the ventilation air duct (2) is internally provided with a limiting slide rail (15) at the position of the filtering air chamber (6), the filtering air chamber (6) is fixedly clamped with the ventilation air duct (2) through the limiting slide rail (15), a hinged movable door (25) is arranged in the ventilation air duct (2), and sealing strips (16) are arranged around the movable door (25).
5. The air handler mounting structure of a clean operating room according to claim 4, wherein: the periphery of the ventilation air pipe (2) is arranged on the filtering air chamber (6) and right faces the activated carbon filter screen (8) and the circulating air port (22) is arranged between the high-voltage static electricity grids (9), and the periphery of the ventilation air pipe (2) is provided with a circulating fan (23) communicated with the circulating air port (22).
6. A clean room air handler mounting structure according to claim 5, wherein: and a sound insulation layer (24) is arranged on the periphery of the air inlet fan (4).
7. A clean room air handler mounting structure according to claim 1, wherein: the cooling and heating assembly (17) is arranged in the ventilation air pipe (2) at the fresh air inlet (5), and the cooling and heating assembly (17) comprises a cold air module (18) and a warm air module (19).
8. A clean room air handler mounting structure according to claim 7, wherein: the cold air module (18) comprises a cooling coil (20) arranged in the ventilation air pipe (2), condensed water is introduced into the cooling coil (20), the warm air module (19) comprises an electric heating pipe (21) arranged in the ventilation air pipe (2), and the electric heating pipe (21) is connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729058.8U CN209978225U (en) | 2019-05-20 | 2019-05-20 | Air processor mounting structure of clean operating room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920729058.8U CN209978225U (en) | 2019-05-20 | 2019-05-20 | Air processor mounting structure of clean operating room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209978225U true CN209978225U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920729058.8U Expired - Fee Related CN209978225U (en) | 2019-05-20 | 2019-05-20 | Air processor mounting structure of clean operating room |
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| CN (1) | CN209978225U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765580A (en) * | 2020-07-09 | 2020-10-13 | 李栋 | Ventilation device with gas purification function for operating room |
| CN112413741A (en) * | 2020-11-17 | 2021-02-26 | 厦门兴嘉民建设工程有限公司 | Air conditioning system convenient to overhaul |
| CN112774381A (en) * | 2020-12-28 | 2021-05-11 | 北京煜丰华源仪器仪表设备有限公司 | Fresh air purification system and equipment |
| CN112856674A (en) * | 2021-01-20 | 2021-05-28 | 柯颖锋 | Clean operating room air purification device |
| CN113041768A (en) * | 2021-04-03 | 2021-06-29 | 田志强 | Air purification device of operating room |
| CN113877351A (en) * | 2021-11-08 | 2022-01-04 | 广东银河机电有限公司 | Low-wind-resistance high-efficiency active air filtering structure and wind cabinet equipment |
| CN114294764A (en) * | 2022-01-05 | 2022-04-08 | 汝阳县人民医院 | Local air treatment device for operating room nursing |
| CN117073090A (en) * | 2023-08-16 | 2023-11-17 | 江苏姑苏净化科技有限公司 | Multistage filtering system for clean room and control method thereof |
-
2019
- 2019-05-20 CN CN201920729058.8U patent/CN209978225U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765580A (en) * | 2020-07-09 | 2020-10-13 | 李栋 | Ventilation device with gas purification function for operating room |
| CN112413741A (en) * | 2020-11-17 | 2021-02-26 | 厦门兴嘉民建设工程有限公司 | Air conditioning system convenient to overhaul |
| CN112413741B (en) * | 2020-11-17 | 2022-06-24 | 厦门兴嘉民建设工程有限公司 | Air conditioning system convenient to overhaul |
| CN112774381A (en) * | 2020-12-28 | 2021-05-11 | 北京煜丰华源仪器仪表设备有限公司 | Fresh air purification system and equipment |
| CN112856674A (en) * | 2021-01-20 | 2021-05-28 | 柯颖锋 | Clean operating room air purification device |
| CN113041768A (en) * | 2021-04-03 | 2021-06-29 | 田志强 | Air purification device of operating room |
| CN113877351A (en) * | 2021-11-08 | 2022-01-04 | 广东银河机电有限公司 | Low-wind-resistance high-efficiency active air filtering structure and wind cabinet equipment |
| CN114294764A (en) * | 2022-01-05 | 2022-04-08 | 汝阳县人民医院 | Local air treatment device for operating room nursing |
| CN117073090A (en) * | 2023-08-16 | 2023-11-17 | 江苏姑苏净化科技有限公司 | Multistage filtering system for clean room and control method thereof |
| CN117073090B (en) * | 2023-08-16 | 2024-05-24 | 江苏姑苏净化科技有限公司 | Multistage filtering system for clean room and control method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |