Air sterilizer with air curtain isolation function

Abstract

The present application relates to air sterilizer with air curtain isolation function, comprising a first shell, the first shell includes first ventilation cavity, first air inlet, air outlet and first connecting port, the first ventilation cavity is internally provided with air extraction device and cavity disinfection device, the first shell is provided with first air curtain device on the bottom surface; second shell, the second shell includes second ventilation cavity, second air inlet, second connecting port and rotating part, the second shell is provided with second air curtain device on the front surface, the second shell is provided with third air curtain device on the front surface; relative to the prior art, the first air curtain device, the second air curtain device and the third air curtain device are provided, so that an enclosed space is formed below the air sterilizer, so that the air in the enclosed space is blocked, that is, the aerosol of the isolated personnel cannot spread outward, thereby realizing the isolation function.

Description

Technical Field

[0001] This invention belongs to the technical field of air disinfection equipment, and particularly relates to an air disinfection device with an air curtain isolation function. Background Technology

[0002] Air disinfection is an important measure for preventing hospital-acquired infections. Using air sterilizers can effectively clean and disinfect the air in operating rooms, purify the surgical environment, reduce surgical infections, and improve surgical success rates. Air sterilizers are suitable for air disinfection in operating rooms, treatment rooms, wards, and other similar spaces.

[0003] Currently, air sterilizers lack corresponding isolation functions. Relying solely on the disinfection function of air sterilizers cannot effectively prevent aerosol transmission of infection between patients and between patients and medical staff. In the face of sudden outbreaks of major acute infectious diseases, they can easily induce nosocomial infections, leading to serious public health and safety crises.

[0004] Therefore, there is an urgent need for an air sterilizer with isolation function. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an air sterilizer with an air curtain isolation function, thereby solving the problem that existing air sterilizers do not have an isolation function.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] An air sterilizer with air curtain isolation function includes: a first housing, the first housing including a first ventilation cavity, a first air inlet, an air outlet, and a first connection port; the first ventilation cavity is provided with an exhaust device and an in-cavity sterilization device; the first ventilation cavity is connected to the first air inlet, the air outlet, and the first connection port respectively; the first air inlet is located on the bottom surface of the first housing; the first housing has first air curtain devices respectively provided on both sides of the bottom surface of the first housing; the first air curtain devices exhaust air downwards to form an air curtain area; the first air inlet is located between the two first air curtain devices; the first housing is mounted on a wall by attaching its back to the wall; a second housing, the second housing including a second ventilation cavity, a second air inlet, a second connection port, and a rotating part; the second ventilation cavity is connected to the second air inlet and the second connection port respectively; the second air inlet is located on the front surface of the second housing; the rotating part is hinged to the front surface of the first housing; the second housing... The first housing has two second air curtain devices on its front sides, each discharging air downwards to form an air curtain area. The second air curtain devices on both sides correspond to the first air curtain devices on both sides. A third air curtain device is located on the upper edge of the front of the second housing, between the two second air curtain devices. This third air curtain device discharging air downwards to form an air curtain area. The third air curtain device and the two second air curtain devices on both sides form a semi-enclosed structure with an opening located at the lower edge of the front of the second housing. The second air inlet is located within this semi-enclosed structure. A rotating device is mounted on the first housing and is connected to the rotating part. A connecting channel is hollow inside, with its two ends connected to the first connecting port and the second connecting port, respectively. Under the action of the rotating device, the second housing can rotate relative to the first housing via the rotating part to change the orientation angle of the front of the second housing.

[0008] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, it further includes a control processor. The first housing has a first infrared human body sensor corresponding to the first air curtain device on both sides of its bottom edge, and the scanning area of ​​the first infrared human body sensor corresponds to the air curtain area formed by the first air curtain device on the same side. The second housing has a second infrared human body sensor corresponding to the second air curtain device on both sides of its front edge, and the scanning area of ​​the second infrared human body sensor corresponds to the air curtain area formed by the second air curtain device on the same side. The second housing has a third infrared human body sensor corresponding to the third air curtain device on its upper edge of its front edge and located between the second air curtain devices on both sides, and the scanning area of ​​the third infrared human body sensor corresponds to the air curtain area formed by the third air curtain device. The control processor is electrically connected to the first air curtain device, the second air curtain device, the third air curtain device, the first infrared human body sensor, the second infrared human body sensor, and the third infrared human body sensor.

[0009] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, the front of the first housing has an inwardly recessed mating recess, the recessed shape of which corresponds to the external shape of the second housing, and the rotating part is hinged to the inner side of the mating recess.

[0010] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, the connecting channel is a telescopic pipe, the telescopic pipe is located between the mating recess and the back of the second housing, the mating recess has an inwardly recessed first hose receiving groove, the first connection port is disposed in the first hose receiving groove, the back of the second housing has an inwardly recessed second hose receiving groove, and the second connection port is disposed in the second hose receiving groove.

[0011] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, the rotating device includes a rotating seat, a rotating end, and a transmission belt mechanism. The rotating seat is fixedly disposed inside the first ventilation cavity, the rotating end is disposed on the rotating seat, and the transmission belt mechanism includes a belt body, a driving wheel sleeved on the rotating end, and a driven wheel sleeved on the rotating part. The belt body meshes with the driving wheel and the driven wheel respectively. The driving wheel is drivenly connected to the driven wheel through the belt body, and the rotating end is drivenly connected to the rotating part through the transmission belt mechanism.

[0012] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, it further includes a remote control device and a power supply device. The remote control device is mounted on the first housing via a wire, and the power supply device is mounted on the first housing. The remote control device is electrically connected to the exhaust device, the cavity sterilization device, the rotating device, the first air curtain device, the second air curtain device, the third air curtain device, and / or the power supply device.

[0013] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, the display is disposed on the front of the first housing, and the display is electrically connected to the exhaust device, the cavity sterilization device, the rotating device, the first air curtain device, the second air curtain device, and the third air curtain device.

[0014] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, a dust sensor is provided inside the first ventilation cavity, and the dust sensor is electrically connected to the display.

[0015] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, a negative ion generator is also provided inside the first ventilation cavity.

[0016] As a preferred embodiment of the air sterilizer with air curtain isolation function described in this invention, the in-cavity sterilization device includes a primary filter, a high-voltage electrostatic filter, an activated carbon filter, and / or a high-efficiency filter.

[0017] The present invention has at least the following beneficial effects:

[0018] 1) The present invention provides a second air inlet on the second housing, so that the air around the air sterilizer can enter the first ventilation cavity through both the first air inlet and the second air inlet at the same time, thereby expanding the exhaust and sterilization area of ​​the air sterilizer.

[0019] 2) The present invention is provided with a rotating device that is connected to the rotating part for transmission. Under the action of the rotating device, the second housing rotates relative to the first housing through the rotating part to change the orientation angle of the front of the second housing, so that the air sterilizer can adjust the angle of the air inlet according to different environmental conditions, thereby adjusting the exhaust sterilization area.

[0020] 3) The present invention is provided with a first air curtain device, a second air curtain device and a third air curtain device. When it is necessary to isolate personnel, the isolated personnel are placed under the air sterilizer and the second housing is set to the open state. At the same time, the first air curtain device on both sides, the second air curtain device on both sides and the third air curtain device are activated, thereby forming an enclosed space under the air sterilizer. This blocks the air inside the enclosed space, that is, the aerosol of the isolated personnel will not diffuse outward, thereby achieving the isolation function. Attached Figure Description

[0021] Figure 1 This is one of the structural schematic diagrams of the present invention, wherein the second housing is in an open state.

[0022] Figure 2 This is an exploded view of the present invention.

[0023] Figure 3 This is a side view of the present invention.

[0024] Figure 4 This is a side sectional view of the present invention.

[0025] Figure 5 This is a schematic diagram illustrating the working principle of the first housing in this invention.

[0026] Figure 6 This is a schematic diagram illustrating the working principle of the first and second housings in this invention.

[0027] Figure 7 This is a second structural schematic diagram of the present invention, wherein the second housing is in an open state, and the side of the first housing is partially cut.

[0028] Figure 8 for Figure 7 A magnified view of region A in the middle.

[0029] Figure 9 This is a bottom view of the present invention, in which the second housing is in the open state.

[0030] Figure 10 This is a schematic diagram illustrating the working principle of the first air curtain device, the second air curtain device, and the third air curtain device in this invention.

[0031] In the picture:

[0032] 1-First shell;

[0033] 11-First ventilation chamber; 111-Exhaust device; 112-In-chamber disinfection device; 113-Negative ion generator; 12-First air inlet; 13-Air outlet; 14-First connection port; 15-Matching recess; 151-First flexible hose receiving groove; 16-Display; 17-First air curtain device; 18-First infrared human body sensor;

[0034] 2-Second shell;

[0035] 21-Second ventilation cavity; 22-Second air inlet; 23-Second connection port; 24-Rotating part; 25-Second flexible hose receiving groove; 26-Second air curtain device; 27-Third air curtain device; 28-Second infrared human body sensor; 29-Third infrared human body sensor;

[0036] 3-Connection Channel;

[0037] 4-Rotating device;

[0038] 41-Rotating seat; 42-Rotating end; 43-Transmission belt mechanism; 431-Belt body; 432-Driving pulley; 433-Driven pulley;

[0039] 5-Remote control device; 51-Wire. Detailed Implementation

[0040] To make the technical solution and advantages of the present invention clearer, the present invention and its beneficial effects will be described in further detail below with reference to specific embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

[0041] like Figures 1 to 10As shown, an air sterilizer with air curtain isolation function includes: a first housing 1, the first housing 1 including a first ventilation cavity 11, a first air inlet 12, an air outlet 13 and a first connection port 14, the first ventilation cavity 11 being provided with an exhaust device 111 and an in-cavity sterilization device 112, the first ventilation cavity 11 being connected to the first air inlet 12, the air outlet 13 and the first connection port 14 respectively, the first air inlet 12 being located on the bottom surface of the first housing 1, and the first housing 1 having air curtain isolation devices on both sides of the bottom surface. A first air curtain device 17, which discharges air downwards to form an air curtain area, has a first air inlet 12 located between the two first air curtain devices 17. A first housing 1 is mounted on a wall by attaching its back to the wall. A second housing 2 includes a second ventilation cavity 21, a second air inlet 22, a second connecting port 23, and a rotating part 24. The second ventilation cavity 21 communicates with both the second air inlet 22 and the second connecting port 23. The second air inlet 22 is located on the front of the second housing 2. The rotating part 24 is hinged to the wall. On the front of the first housing 1, the second housing 2 has second air curtain devices 26 respectively provided on both sides of the front edge. The second air curtain devices 26 discharge air downward to form an air curtain area. The second air curtain devices 26 on both sides are correspondingly provided with the first air curtain devices 17 on both sides. The second housing 2 has a third air curtain device 27 provided on the upper edge of the front and between the second air curtain devices 26 on both sides. The third air curtain device 27 discharges air downward to form an air curtain area. The third air curtain device 27 and the second air curtain devices 26 on both sides form a semi-enclosed structure with an opening located at the lower edge of the front of the second housing 2. The second air inlet 22 is located inside the semi-enclosed structure. The rotating device 4 is provided on the first housing 1 and is connected to the rotating part 24. The connecting channel 3 is hollow inside and its two ends are connected to the first connecting port 14 and the second connecting port 23 respectively. Under the action of the rotating device 4, the second housing 2 can rotate relative to the first housing 1 through the rotating part 24 to change the orientation angle of the front of the second housing 2.Specifically, the exhaust device 111 is an exhaust fan; the angle between the bottom surface of the first housing 1 and the front surface of the second housing 2 is 180° to 280°; the air inlet slot of the first air curtain device 17 faces outward, the air outlet slot of the first air curtain device 17 is inclined inward and the angle between it and the vertical direction is 5° to 20°, the air outlet velocity of the first air curtain device 17 is between 2.0 m / s and 3.8 m / s, and a first air curtain disinfection device is installed inside the first air curtain device 17; the air inlet slot of the second air curtain device 26 faces outward, and the second air curtain device 26... The air outlet slot is inclined inward and the angle between it and the vertical direction is 5° to 20°. The air velocity of the second air curtain device 26 is between 2.0 m / s and 3.8 m / s. The second air curtain device 26 is equipped with a second air curtain disinfection device. The air inlet slot of the third air curtain device 27 is set outward. The air outlet slot of the third air curtain device 27 is inclined inward and the angle between it and the vertical direction is 5° to 20°. The air velocity of the third air curtain device 27 is between 2.0 m / s and 3.8 m / s. The third air curtain device 27 is equipped with a third air curtain disinfection device.

[0042] The working principle of this embodiment:

[0043] 1) Start the exhaust device 111 and the cavity disinfection device 112. Under the action of the exhaust device 111, negative pressure is formed inside the first ventilation cavity 11.

[0044] 2) The air surrounding the air sterilizer enters the first ventilation chamber 11 through the first air inlet 12, then passes through the exhaust device 111 and the sterilization device 112 inside the chamber, and finally exits from the air outlet 13; and / or

[0045] The air around the air sterilizer enters the second ventilation chamber 21 through the second air inlet 22, then passes through the second connection port 23, the connection channel 3 and the first connection port 14 in sequence to enter the first ventilation chamber 11, then passes through the exhaust device 111 and the chamber sterilization device 112, and finally is discharged from the air outlet 13.

[0046] 3) During the process of air passing through the cavity disinfection device 112, the cavity disinfection device 112 disinfects the air.

[0047] 4) When people are moving around indoors and their positions are uncertain, the second housing 2 is set to the initial closed state, and the front of the second housing 2 is parallel to the front of the first housing 1, that is, the second air inlet 22 is parallel to the front of the first housing 1, and the angle between the bottom surface of the first housing 1 and the front surface of the second housing 2 is 270-280°; at this time, the air sterilizer has the largest exhaust disinfection area and the exhaust disinfection effect is the most extensive.

[0048] 5) When personnel linger under the air sterilizer for an extended period, the second housing 2 is opened. Under the action of the rotating device 4, the second housing 2 rotates relative to the first housing 1 via the rotating part 24 to change the orientation angle of the front of the second housing 2 until the front of the second housing 2 is parallel to the bottom surface of the first housing 1, that is, the second air inlet 22 is parallel to the bottom surface of the first housing 1, and the angle between the bottom surface of the first housing 1 and the front of the second housing 2 is 180°. At this time, the exhaust disinfection area of ​​the air sterilizer is below it, and the exhaust disinfection effect is strong.

[0049] 6) When personnel need to be isolated, the isolated personnel are placed under the air sterilizer and the second housing 2 is set to the open state. Under the action of the rotating device 4, the second housing 2 rotates relative to the first housing 1 through the rotating part 24 to change the orientation angle of the front of the second housing 2 until the front of the second housing 2 is parallel to the bottom surface of the first housing 1, that is, the second air inlet 22 is parallel to the bottom surface of the first housing 1, and the angle between the bottom surface of the first housing 1 and the front of the second housing 2 is 180°. Subsequently, the first air curtain device 17, the second air curtain device 26, and the third air curtain device 27 on both sides are activated simultaneously. After activation, the wall attached to the back of the first housing 1, the air curtains formed by the air outlets of the first air curtain device 17, the second air curtain device 26, and the third air curtain device 27 form an enclosed space, thereby blocking the air inside the enclosed space, that is, the aerosol of the isolated personnel will not diffuse outward, thus achieving the isolation function.

[0050] This embodiment has at least the following beneficial effects:

[0051] 1) In this embodiment, a second air inlet 22 is provided on the second housing 2, so that the air around the air sterilizer can enter the first ventilation cavity 11 through the first air inlet 12 and the second air inlet 22 at the same time, thereby expanding the exhaust and sterilization area of ​​the air sterilizer.

[0052] 2) In this embodiment, a rotating device 4 is provided that is connected to the rotating part 24 for transmission. Under the action of the rotating device 4, the second housing 2 rotates relative to the first housing 1 through the rotating part 24 to change the orientation angle of the front of the second housing 2, so that the air sterilizer can adjust the angle of the air inlet according to different environmental conditions, thereby adjusting the exhaust sterilization area.

[0053] 3) In this embodiment, a first air curtain device 17, a second air curtain device 26, and a third air curtain device 27 are provided. When it is necessary to isolate personnel, the isolated personnel are placed under the air sterilizer and the second housing 2 is set to the open state. At the same time, the first air curtain device 17 on both sides, the second air curtain device 26 on both sides, and the third air curtain device 27 are activated, thereby forming an enclosed space under the air sterilizer. This blocks the air inside the enclosed space, that is, the aerosol of the isolated personnel will not diffuse outward, thereby achieving the isolation function.

[0054] Preferably, the system further includes a control processor. The first housing 1 has first infrared human body sensors 18, corresponding to the first air curtain devices 17 on both sides, respectively, located on the bottom edges of both sides. The scanning area of ​​the first infrared human body sensor 18 corresponds to the air curtain area formed by the first air curtain device 17 on the same side. The second housing 2 has second infrared human body sensors 28, corresponding to the second air curtain devices 26 on both sides, located on the front edges of both sides. The scanning area of ​​the second infrared human body sensor 28 corresponds to the air curtain area formed by the second air curtain device 26 on the same side. The second housing 2 has a third infrared human body sensor 29, corresponding to the third air curtain device 27, located on the upper edge of the front and between the second air curtain devices 26 on both sides. The scanning area of ​​the third infrared human body sensor 29 corresponds to the air curtain area formed by the third air curtain device 27. The control processor is electrically connected to the first air curtain device 17, the second air curtain device 26, the third air curtain device 27, the first infrared human body sensor 18, the second infrared human body sensor 28, and the third infrared human body sensor 29. With the above settings, when personnel need to be isolated and the second housing 2 is in the open state, the first infrared human body sensor 18, the second infrared human body sensor 28, and the third infrared human body sensor 29 begin to detect; when the infrared human body sensor detects a human body in its scanning area, the wind speed of the corresponding air curtain device is switched to the maximum, thereby minimizing the probability of air inside the enclosure spreading outward and improving the isolation effect of the air sterilizer.

[0055] Preferably, the front of the first housing 1 has an inwardly recessed mating recess 15, the recessed shape of which corresponds to the external shape of the second housing 2, and the rotating part 24 is hinged to the inner side of the mating recess 15. With the above arrangement, when the second housing 2 is in the initial closed state, it can be placed in the mating recess 15, thereby reducing the space occupied by the second housing 2.

[0056] Preferably, the connecting channel 3 is a telescopic pipe located between the mating recess 15 and the back surface of the second housing 2. The mating recess 15 has an inwardly recessed first hose receiving groove 151, and a first connection port 14 is disposed within the first hose receiving groove 151. The back surface of the second housing 2 has an inwardly recessed second hose receiving groove 25, and a second connection port 23 is disposed within the second hose receiving groove 25. With the above arrangement, when the second housing 2 is in the initial closed state, the telescopic pipe is compressed and placed in the space formed between the first hose receiving groove 151 and the second hose receiving groove 25, thereby reducing the space occupied by the telescopic pipe.

[0057] Preferably, the rotating device 4 includes a rotating base 41, a rotating end 42, and a transmission belt mechanism 43. The rotating base 41 is fixedly disposed inside the first ventilation cavity 11, and the rotating end 42 is disposed on the rotating base 41. The transmission belt mechanism 43 includes a belt body 431, a driving pulley 432 sleeved on the rotating end 42, and a driven pulley 433 sleeved on the rotating part 24. The belt body 431 meshes with the driving pulley 432 and the driven pulley 433 respectively. The driving pulley 432 is connected to the driven pulley 433 through the belt body 431, and the rotating end 42 is connected to the rotating part 24 through the transmission belt mechanism 43. A suitable installation position is selected according to the actual situation. Specifically, the rotating base 41 is a motor, and the rotating end 42 is the motor shaft.

[0058] Preferably, the system also includes a remote control device 5 and a power supply device. The remote control device 5 is mounted on the first housing 1 via a wire 51, and the power supply device is mounted on the first housing 1. The remote control device 5 is electrically connected to the exhaust device 111, the cavity disinfection device 112, the rotating device 4, the first air curtain device 17, the second air curtain device 26, the third air curtain device 27, and / or the power supply device. With the above configuration, personnel can manually activate the exhaust device 111, the disinfection device, the rotating device 4, the first air curtain device 17, the second air curtain device 26, the third air curtain device 27, and / or the power supply device via the remote control device 5.

[0059] Preferably, the display 16 is located on the front of the first housing 1, and is electrically connected to the exhaust device 111, the cavity disinfection device 112, the rotating device 4, the first air curtain device 17, the second air curtain device 26, and the third air curtain device 27. With this configuration, personnel can view the current exhaust speed, disinfection status, rotation angle, and / or air curtain speed on the display 16. More preferably, a dust sensor is installed inside the first ventilation cavity 11, and the dust sensor is electrically connected to the display 16. With this configuration, personnel can view the specific value of the current indoor PM2.5 content on the display 16.

[0060] Preferably, the first ventilation chamber 11 is further provided with a negative ion generator 113. This arrangement ensures that the exhausted air contains negative ions, thereby improving the air purification effect.

[0061] Preferably, the intracavity disinfection device 112 includes a pre-filter, a high-voltage electrostatic filter, an activated carbon filter, and / or a high-efficiency filter. A suitable structure is selected based on the actual situation.

[0062] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments described above, and any obvious improvements, substitutions, or modifications made by those skilled in the art based on the present invention are within the scope of protection of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. An air sterilizer having a function of isolating with a wind screen, characterized by comprising: include: The first housing (1) includes a first ventilation cavity (11), a first air inlet (12), an air outlet (13), and a first connection port (14). The first ventilation cavity (11) is equipped with an exhaust device (111) and an in-cavity disinfection device (112). The first ventilation cavity (11) is connected to the first air inlet (12), the air outlet (13), and the first connection port (14). The first air inlet (12) is located on the bottom surface of the first housing (1). The first housing (1) is equipped with a first air curtain device (17) on both sides of the bottom surface. The first air curtain device (17) blows air downward to form an air curtain area. The first air inlet (12) is located between the first air curtain devices (17) on both sides. The first housing (1) is mounted on the wall by attaching its back. The second housing (2) includes a second ventilation cavity (21), a second air inlet (22), a second connection port (23), and a rotating part (24). The second ventilation cavity (21) is connected to the second air inlet (22) and the second connection port (23) respectively. The second air inlet (22) is located on the front of the second housing (2). The rotating part (24) is hinged to the front of the first housing (1). The second housing (2) has second air curtain devices (26) located on both sides of the front edge. The second air curtain devices (26) extend towards... The downward air outlet forms an air curtain area. The second air curtain devices (26) on both sides are correspondingly arranged with the first air curtain devices (17) on both sides. The second housing (2) has a third air curtain device (27) at the upper edge of the front and between the second air curtain devices (26) on both sides. The third air curtain device (27) outlets air downward to form an air curtain area. The third air curtain device (27) and the second air curtain devices (26) on both sides form a semi-enclosed structure with the opening located at the lower edge of the front of the second housing (2). The second air inlet (22) is located inside the semi-enclosed structure. A rotating device (4) is disposed on the first housing (1) and is connected to the rotating part (24) in a transmission manner; A connecting channel (3) is hollow inside, and the two ends of the connecting channel (3) are respectively connected to the first connecting port (14) and the second connecting port (23); Under the action of the rotating device (4), the second housing (2) can rotate relative to the first housing (1) through the rotating part (24) to change the orientation angle of the front of the second housing (2).

2. The air sterilizer having a function of a wind screen according to claim 1, wherein: It also includes a control processor. The first housing (1) has a first infrared human body sensor (18) corresponding to the first air curtain device (17) on both sides of the bottom edge, and the scanning area of ​​the first infrared human body sensor (18) corresponds to the air curtain area formed by the first air curtain device (17) on the same side. The second housing (2) has a second infrared human body sensor (28) corresponding to the second air curtain device (26) on both sides of the front edge, and the scanning area of ​​the second infrared human body sensor (28) corresponds to the air curtain area formed by the second air curtain device (26) on the same side. Correspondingly, the second housing (2) has a third infrared human body sensor (29) corresponding to the third air curtain device (27) located between the second air curtain devices (26) on the upper edge of the front side. The scanning area of ​​the third infrared human body sensor (29) corresponds to the air curtain area formed by the third air curtain device (27). The control processor is electrically connected to the first air curtain device (17), the second air curtain device (26), the third air curtain device (27), the first infrared human body sensor (18), the second infrared human body sensor (28), and the third infrared human body sensor (29).

3. The air sterilizer having a function of a wind screen according to claim 1 or 2, characterized in that: The front of the first housing (1) has an inwardly recessed mating recess (15), the recessed shape of which corresponds to the external shape of the second housing (2), and the rotating part (24) is hinged to the inner side of the mating recess (15).

4. The air sterilizer having a function of a wind screen according to claim 3, wherein: The connecting channel (3) is a telescopic pipe, which is located between the mating recess (15) and the back of the second housing (2). The mating recess (15) has an inwardly recessed first hose receiving groove (151), and the first connection port (14) is disposed in the first hose receiving groove (151). The back of the second housing (2) has an inwardly recessed second hose receiving groove (25), and the second connection port (23) is disposed in the second hose receiving groove (25).

5. The air sterilizer having a function of a wind screen according to claim 1 or 2, characterized in that: The rotating device (4) includes a rotating seat (41), a rotating end (42), and a transmission belt mechanism (43). The rotating seat (41) is fixedly disposed inside the first ventilation cavity (11). The rotating end (42) is disposed on the rotating seat (41). The transmission belt mechanism (43) includes a belt body (431), a driving pulley (432) sleeved on the rotating end (42), and a driven pulley (433) sleeved on the rotating part (24). The belt body (431) meshes with the driving pulley (432) and the driven pulley (433) respectively. The driving pulley (432) is connected to the driven pulley (433) through the belt body (431). The rotating end (42) is connected to the rotating part (24) through the transmission belt mechanism (43).

6. The air sterilizer having a function of a wind screen according to claim 2, wherein: It also includes a remote control device (5) and a power supply device. The remote control device (5) is mounted on the first housing (1) via a wire (51). The power supply device is mounted on the first housing (1). The remote control device (5) is electrically connected to the exhaust device (111), the cavity disinfection device (112), the rotating device (4), the first air curtain device (17), the second air curtain device (26), the third air curtain device (27), and / or the power supply device.

7. The air sterilizer having a function of a wind screen according to claim 1 or 2, characterized in that: The display (16) is disposed on the front of the first housing (1), and the display (16) is electrically connected to the exhaust device (111), the cavity disinfection device (112), the rotating device (4), the first air curtain device (17), the second air curtain device (26) and the third air curtain device (27).

8. The air sterilizer having a function of isolating a wind curtain according to claim 7, wherein: The first ventilation cavity (11) is equipped with a dust sensor inside, and the dust sensor is electrically connected to the display (16).

9. The air sterilizer with air curtain isolation function according to claim 1 or 2, characterized in that: The first ventilation chamber (11) is also equipped with a negative ion generator (113).

10. The air sterilizer having a function of a wind screen according to claim 1 or 2, wherein: The intracavitary disinfection device (112) includes a primary filter, a high-voltage electrostatic filter, an activated carbon filter, and / or a high-efficiency filter.

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