Ultraviolet air disinfection and air supply system for laminar flow operating room

Abstract

The invention discloses a laminar flow operating room ultraviolet air disinfection air supply system, and relates to the technical field of air disinfection, the laminar flow operating room ultraviolet air disinfection air supply system comprises an adjusting assembly comprising a control valve group, a compressor, an air supply module and an air conveying joint, and the air supply module and the air conveying joint are both arranged on the control valve group in a communicating manner; the air conveying connector and the control valve set are in rotary connection through a compressor, the control valve set is connected with a first disinfection assembly, and the first disinfection assembly is composed of a compressed air tank and an ultraviolet module. The draught fan is arranged on one side of the adjusting assembly, the draught fan communicates with the air conveying connector through an air conveying pipe, and a second disinfection assembly is arranged on the draught fan; the filtering assembly is arranged adjacent to the disinfection assembly II; in the whole process, ultraviolet rays and ozone work in an unmanned environment, a dead-corner-free irradiation environment and a smaller irradiation space are provided for the ultraviolet rays, the characteristic of high permeability of the ozone is fully played, and the air is disinfected more efficiently.

Description

Technical Field

[0001] The present application relates to the technical field of air disinfection, and in particular to an ultraviolet air disinfection and air supply system for a laminar flow operating room. Background Art

[0002] The laminar flow operating room is an air filtration and circulation system based on laminar flow purification technology. It effectively reduces the content of suspended particles and microorganisms in the operating area, creating a clean, low-microbial contamination operating environment, thereby reducing the risk of surgical infection. It is usually equipped with ultraviolet disinfection as an auxiliary means, using the C band of ultraviolet light (usually 253.7 nanometers) to destroy the DNA structure of microorganisms, preventing their replication and survival, thereby disinfecting the air and object surfaces. In addition, ozone is used to destroy the cell walls of microorganisms such as bacteria, viruses, and molds, and oxidize their internal structures such as proteins, RNA, and DNA.

[0003] Ultraviolet rays directly irradiate the surface of objects or spread through the air, and can quickly and efficiently produce a disinfection effect on the directly irradiated area. Ozone has strong permeability and can penetrate deep into gaps and disinfect everywhere. However, ultraviolet rays have blind spots and are difficult to reach the inside of objects or sheltered areas. For large-scale air disinfection, a large ultraviolet dose or long-term irradiation is required. In addition, ultraviolet rays can cause damage to the skin and eyes, and ozone can irritate the respiratory tract, so both need to be used in an unmanned environment.

[0004] In an unmanned laminar flow operating room, ozone can be used for all-round disinfection followed by ventilation. In an unmanned laminar flow operating room, the air is first filtered to reduce the content of suspended particles and microorganisms, then disinfected by ultraviolet rays, and then sent into the operating room through the air supply system to form a laminar flow. However, during long-term operation, dust and microorganisms will gradually accumulate in the filtration system, making it difficult for ultraviolet rays to fully irradiate the filtration system for disinfection. The efficiency of the filtration system is reduced, and the content of active microorganisms and suspended particles in the air entering the operating room increases, resulting in an increased risk of surgical infection.

[0005] Therefore, it is necessary to provide a laminar flow operating room ultraviolet air disinfection and air supply system to solve the problems raised in the above background technology. Summary of the Invention

[0006] To achieve the above objectives, the present application provides the following technical solutions: a laminar flow operating room ultraviolet air disinfection and air supply system, comprising: A regulating assembly includes a control valve group, a compressor, an air supply module, and an air delivery connector. The air supply module and the air delivery connector are both connected to the control valve group. The air delivery connector and the control valve group are connected via a compressor. The control valve group is connected to a disinfection assembly 1, which consists of a compressed gas tank and an ultraviolet module. a fan, arranged on one side of the regulating assembly, the fan being connected to the air delivery connector through an air delivery pipe, and the fan being provided with a second disinfection assembly; The second disinfection component consists of an adapter tube and an ozone generating tank. The lower end of the adapter tube is connected and fixed to the fan. The upper end of the adapter tube is fixed with the ozone generating tank. The wall of the adapter tube is connected and fixed with an adapter hose. The ozone generating tank is connected to the adapter hose through a transmission pipe. A filter assembly is arranged adjacent to the second disinfection assembly, and the filter assembly consists of a filter chamber, an air collecting chamber and a primary filter screen. One end of the filter chamber is connected and fixed to the transfer hose, and the other end of the filter chamber is connected and fixed to the air collecting chamber, and the primary filter screen is arranged in the air collecting chamber.

[0007] Furthermore, preferably, the plurality of compressed gas tanks are connected in series and interconnected, the ultraviolet module is fixed on a single compressed gas tank, an ultraviolet disinfection lamp is provided inside each compressed gas tank, and the ultraviolet disinfection lamps are connected to the ultraviolet module.

[0008] Furthermore, preferably, a pressure gauge is provided on the control valve group, and the pressure gauge is connected to the compressed gas tank for air pressure monitoring.

[0009] Furthermore, preferably, the air supply module is connected to the compressed gas tank via a control valve group, and the control valve group is used to adjust the air supply volume of the air supply module.

[0010] Furthermore, preferably, there are two ways to connect the compressed gas tank to the air delivery connector. One way is that the compressed gas tank is connected to the air delivery connector through the control valve group and the compressor, and the other way is that the compressed gas tank is directly connected to the air delivery connector through the control valve group.

[0011] Furthermore, preferably, the control valve group is a two-way valve at the connection between the compressed gas tank and the air delivery joint, and the control valve group can control the compressed gas tank to deliver air in reverse to the air delivery joint.

[0012] Furthermore, preferably, the interior of the fan is only connected to the adapter tube and the air delivery pipe, and the connection portion between the fan, the adapter tube and the air delivery pipe is sealed.

[0013] Furthermore, preferably, multiple layers of filter elements are evenly distributed axially in the filter chamber, the ozone generating tank is independently controlled to operate, and the ozone generated by the ozone generating tank is sequentially transported to the filter chamber through the transmission pipe and the adapter hose to disinfect the filter element.

[0014] Compared with the prior art, this application provides a laminar flow operating room ultraviolet air disinfection and air supply system, which has the following beneficial effects: In this application, air is extracted by the operation of the fan, and the air first passes through the primary filter to filter out some dust and debris. The air then enters the filter chamber to further filter out viruses, microorganisms and dust. The air is then compressed and stored in a compressed gas tank and disinfected with ultraviolet light. The disinfected air is transported to the operating room through the air supply module; in addition, the compressed gas tank can reversely transport air into the filter chamber, and at the same time, the ozone generated by the ozone generator tank simultaneously enters the filter chamber for disinfection. During the entire process, both ultraviolet rays and ozone work in an unmanned environment, and provide a dead-angle-free irradiation environment and a smaller irradiation space for ultraviolet rays, giving full play to the strong permeability of ozone and more efficiently disinfecting the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings: Figure 1 This is a schematic diagram of the overall structure of a laminar flow operating room ultraviolet air disinfection and air supply system; Figure 2 This is a schematic diagram of the structure of the regulating components of a laminar flow operating room ultraviolet air disinfection and air supply system; Figure 3 This is a schematic diagram of the structure of the second disinfection component of a laminar flow operating room ultraviolet air disinfection and air supply system; Figure 4 This is a schematic diagram of the filter assembly structure of a laminar flow operating room ultraviolet air disinfection and air supply system; In the figure: 1. Adjustment component; 11. Control valve group; 12. Compressor; 13. Pressure gauge; 14. Air supply module; 15. Air delivery connector; 2. Disinfection component one; 21. Compressed air tank; 22. Ultraviolet module; 3. Fan; 31. Air delivery pipe; 4. Disinfection component two; 41. Adapter tube; 42. Ozone generation tank; 43. Adapter hose; 44. Transmission pipe; 5. Filter component; 51. Filter chamber; 52. Air collection chamber; 53. Primary filter. DETAILED DESCRIPTION

[0016] See also Figures 1-4 In an embodiment of the present application, a laminar flow operating room ultraviolet air disinfection and air supply system includes: The regulating assembly 1 includes a control valve group 11, a compressor 12, an air supply module 14, and an air delivery connector 15. The air supply module 14 and the air delivery connector 15 are both connected to the control valve group 11. The air delivery connector 15 and the control valve group 11 are connected via the compressor 12. The control valve group 11 is connected to a disinfection assembly 2. The sterilized air is delivered to the operating room via the air supply module 14. The disinfection assembly 2 is composed of a compressed air tank 21 and an ultraviolet module 22. The fan 3 is provided on one side of the regulating assembly 1, the fan 3 is connected to the air delivery connector 15 through the air delivery pipe 31, and the fan 3 is provided with a disinfection assembly 2 4; The disinfection component 2 4 is composed of an adapter tube 41 and an ozone generating tank 42. The lower end of the adapter tube 41 is connected and fixed to the fan 3. The ozone generating tank 42 is fixedly provided on the upper end of the adapter tube 41. A adapter hose 43 is connected and fixed to the wall of the adapter tube 41. The ozone generating tank 42 is connected to the adapter hose 43 through a transmission pipe 44. The filter assembly 5 is arranged adjacent to the disinfection assembly 2 4, and the filter assembly 5 consists of a filter chamber 51, an air collecting chamber 52 and a primary filter screen 53. One end of the filter chamber 51 is connected and fixed to the transfer hose 43, and the other end of the filter chamber 51 is connected and fixed to the air collecting chamber 52, and the primary filter screen 53 is arranged in the air collecting chamber 52.

[0017] It should be explained that air is extracted by the operation of the fan 3, and the air first passes through the primary filter 53 to filter out some dust and debris. The air then enters the filter chamber 51 to further filter out viruses, microorganisms and dust. The air is then compressed by the compressor 12 and stored in the compressed gas tank 21. The air in the compressed gas tank 21 is controlled by the ultraviolet module 22 to be ultraviolet disinfected. The disinfected air can be regulated by the control valve group 11 and delivered to the operating room through the air supply module 14; In addition, the fan 3 is controlled to run in reverse, and the reverse air is regulated by the control valve group 11 to enter the filter chamber 51, and the ozone generating tank 42 is started to generate ozone. The generated ozone is driven by the reverse air and synchronously enters the filter chamber 51 for disinfection.

[0018] As a preferred embodiment, multiple compressed gas tanks 21 are connected in series and interconnected in sequence, the ultraviolet module 22 is fixed on a single compressed gas tank 21, and an ultraviolet disinfection lamp is provided inside each compressed gas tank 21, and the ultraviolet disinfection lamps are all connected to the ultraviolet module 22.

[0019] It should be explained that when ultraviolet disinfection is carried out in the compressed gas tank 21, the air has a smaller volume after compression, and the interior of the compressed gas tank 21 is smooth and has no dead corners, which can effectively avoid the disadvantages of ultraviolet irradiation disinfection. Moreover, the air is compressed and stored for disinfection in the compressed gas tank 21. Compared with direct flow of air for disinfection, the air disinfection time can be increased, and the disinfection quality can be further improved.

[0020] As a preferred embodiment, a pressure gauge 13 is provided on the control valve group 11, and the pressure gauge 13 is connected to the compressed gas tank 21 for air pressure monitoring. The pressure value in the compressed gas tank 21 is monitored by the pressure gauge 13 to assist the control valve group 11, the fan 3 and the ozone generating tank 42 in adjustment.

[0021] As a preferred embodiment, the air supply module 14 is connected to the compressed gas tank 21 through a control valve group 11 , and the control valve group 11 is used to adjust the air supply volume of the air supply module 14 .

[0022] As a preferred embodiment, there are two ways to connect the compressed gas tank 21 with the air delivery connector 15. One way is that the compressed gas tank 21 is connected to the air delivery connector 15 through the control valve group 11 and the compressor 12. The other way is that the compressed gas tank 21 is directly connected to the air delivery connector 15 through the control valve group 11.

[0023] As a preferred embodiment, the control valve group 11 is a two-way valve at the connection between the compressed gas tank 21 and the air delivery connector 15 , and the control valve group 11 can control the compressed gas tank 21 to deliver air in the reverse direction to the air delivery connector 15 .

[0024] As a preferred embodiment, the interior of the fan 3 is only connected to the adapter tube 41 and the air delivery pipe 31, and the connection portion between the fan 3 and the adapter tube 41 and the air delivery pipe 31 is sealed.

[0025] It should be explained that the air pressure value in the compressed gas tank 21 can adjust the operating power of the fan 3, and when the air pressure value in the compressed gas tank 21 reaches the maximum value, the compressed gas tank 21 can be controlled to reversely deliver air to the air delivery connector 15 through the control valve group 11, and the fan 3 can be controlled to rotate in the opposite direction, and the ozone generation tank 42 can be started to disinfect the inside of the filter chamber 51.

[0026] It should be explained that when the ozone generating tank 42 is working, the compressed gas tank 21 reversely delivers air in a low-pressure supply mode to ensure that the ozone is retained in the filter chamber 51 for a long time to be fully disinfected. The use of ozone disinfection fully utilizes the high permeability of ozone to disinfect the filter chamber 51 where viruses and the like are gathered. At the same time, the ozone does not enter the operating room and does not come into contact with the human body.

[0027] As a preferred embodiment, multiple layers of filter elements are evenly distributed axially in the filter chamber 51, the ozone generating tank 42 is independently controlled and operated, and the ozone generated by the ozone generating tank 42 is sequentially transported to the filter chamber 51 through the transmission pipe 44 and the adapter hose 43 to disinfect the filter element. The multiple layers of filter elements form a HEPA filter, which can filter out bacteria, viruses and other microorganisms to ensure that the air subsequently entering the operating room is highly pure.

[0028] It should be explained that the compressed gas tank 21 can also be used to reversely deliver air in a short-term high-pressure supply mode to blow out the viruses and the like accumulated on the filter element. In addition, the primary filter 53 is located on the outermost layer for easy replacement. During specific implementation, air is extracted through the operation of the fan 3, and the air first passes through the primary filter 53 to filter out some dust and debris. The air then enters the filter chamber 51 to further filter out viruses, microorganisms and dust. The air is then compressed and stored in the compressed gas tank 21 and disinfected with ultraviolet light. The disinfected air is transported to the operating room through the air supply module 14; in addition, the compressed gas tank 21 can reversely transport air into the filter chamber 51, and at the same time, the ozone generated by the ozone generation tank 42 synchronously enters the filter chamber 51 for disinfection. During the whole process, both ultraviolet rays and ozone work in an unmanned environment, and provide a dead-angle-free irradiation environment and a smaller irradiation space for ultraviolet rays, giving full play to the strong permeability of ozone and more efficiently disinfecting the air.

[0029] The above is only a preferred specific implementation method of the present application, but the scope of protection of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and application concept of the present application within the technical scope disclosed in the present application, and they should be covered by the scope of protection of the present application.

Claims

1. A laminar flow operating room ultraviolet air disinfection and air supply system, characterized in that: include: A regulating assembly (1) comprises a control valve group (11), a compressor (12), an air supply module (14) and an air delivery connector (15), wherein the air supply module (14) and the air delivery connector (15) are both connected and arranged on the control valve group (11), the air delivery connector (15) and the control valve group (11) are switched via the compressor (12), and the control valve group (11) is connected to a disinfection assembly (2), and the disinfection assembly (2) is composed of a compressed gas tank (21) and an ultraviolet module (22); A fan (3) is provided on one side of the regulating assembly (1), the fan (3) is connected to the air delivery connector (15) via an air delivery pipe (31), and a second disinfection assembly (4) is provided on the fan (3); The second disinfection component (4) is composed of a transfer tube (41) and an ozone generating tank (42), the lower end of the transfer tube (41) is connected and fixed on the fan (3), the upper end of the transfer tube (41) is fixedly provided with the ozone generating tank (42), and the wall of the transfer tube (41) is connected and fixed with a transfer hose (43), and the ozone generating tank (42) is connected to the transfer hose (43) through a transmission tube (44); A filter assembly (5) is provided adjacent to the second disinfection assembly (4), and the filter assembly (5) is composed of a filter chamber (51), an air collecting chamber (52) and a primary filter screen (53), one end of the filter chamber (51) is connected and fixed to the transfer hose (43), the other end of the filter chamber (51) is connected and fixed to the air collecting chamber (52), and the primary filter screen (53) is provided in the air collecting chamber (52).

2. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 1, characterized in that: The plurality of compressed gas tanks (21) are sequentially connected in series and interconnected, the ultraviolet module (22) is fixed on a single compressed gas tank (21), and an ultraviolet disinfection lamp is provided inside each compressed gas tank (21), and the ultraviolet disinfection lamp is connected to the ultraviolet module (22).

3. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 2, characterized in that: The control valve group (11) is provided with a pressure gauge (13), and the pressure gauge (13) is connected to the compressed gas tank (21) for air pressure monitoring.

4. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 3, characterized in that: The air supply module (14) is connected to the compressed gas tank (21) via a control valve group (11), and the control valve group (11) is used to adjust the air supply volume of the air supply module (14).

5. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 4, characterized in that: There are two ways of communicating between the compressed gas tank (21) and the air delivery connector (15): one way is that the compressed gas tank (21) is communicated with the air delivery connector (15) via the control valve group (11) and the compressor (12); the other way is that the compressed gas tank (21) is directly communicated with the air delivery connector (15) via the control valve group (11).

6. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 5, characterized in that: The control valve group (11) is a two-way valve at the connection between the compressed gas tank (21) and the air delivery connector (15). The control valve group (11) can control the compressed gas tank (21) to deliver air in the reverse direction to the air delivery connector (15).

7. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 6, characterized in that: The interior of the fan (3) is only connected to the adapter tube (41) and the air delivery pipe (31), and the connection portion between the fan (3), the adapter tube (41) and the air delivery pipe (31) is sealed.

8. The laminar flow operating room ultraviolet air disinfection and air supply system according to claim 7, characterized in that: Multiple layers of filter elements are evenly distributed in the axial direction in the filter chamber (51). The ozone generating tank (42) is independently controlled for operation, and the ozone generated by the ozone generating tank (42) is sequentially transported through the transmission pipe (44) and the adapter hose (43) to the filter chamber (51) to disinfect the filter element.

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