Portable UVC-LED air sterilization device

Abstract

The utility model relates to a portable UVC LED air sterilization device, it includes sterilization box, fan and runner germicidal lamp, sterilization box includes box body, partition plate, first filter screen and second filter screen, the box body is formed with air inlet and air outlet, partition plate is built in the box body to be used for forming the sterilization channel that connects air inlet and air outlet, the first filter screen is arranged in the box body, and the second filter screen is arranged in the box body. The first filter screen and the second filter screen are respectively attached to the air inlet and the air outlet of the box body, the fan is arranged in the sterilization channel of the box body, and when the first filter screen is full of dust after long-term use, the fan is controlled to rotate reversely, air enters from the air outlet of the box body and is led out from the air inlet after passing through the sterilization channel, so that the air is sterilized. The first filter screen is backwashed by airflow to blow off foreign matters such as dust blocked in filter holes, so that the function of cleaning the filter screen is realized, and the filter screen is not required to be disassembled and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of air sterilization, in particular to a portable UVC-LED air sterilization device. Background Art

[0002] In today's society, health awareness is constantly increasing, and the impact of air pollution on health is becoming more and more obvious. Therefore, portable air disinfection equipment has come into being. Portable air disinfection devices are widely used in various occasions, such as homes, offices, cars, hospitals and schools, etc., which can effectively purify the air and kill bacteria.

[0003] For example, the utility model patent with application number CN202020132313.3 proposes a high-efficiency sterilization air purifier, which includes a shell, a filter is provided on one side of the shell, a supply fan blade is provided on the top of the shell, a fan and a sterilization device are provided in the shell, and the sterilization device is located on the top of the fan. The sterilization device includes a sterilization tube and an ultraviolet device. The sterilization tube is coiled and stacked, and the ultraviolet device is located on both sides of the sterilization tube and fixedly connected to the inner wall of the shell. The two ends of the sterilization tube are respectively connected with an air outlet hood and an air guide hood, and the air outlet hood and the air guide hood are vertically arranged. A shading layer is provided between the air outlet hood, the air guide hood and the sterilization tube, and a reflective layer is attached to the inner wall of the shell on both sides of the sterilization tube and the inner side of the shading layer.

[0004] The filter holes on the filter are easily clogged by dust and the like after long-term use, which affects the air intake efficiency of the purifier. Therefore, the filter needs to be cleaned regularly. The above cleaning process requires the filter to be removed from the purifier, which is inconvenient to use. Utility Model Content

[0005] In view of this, it is necessary to provide a portable UVC-LED air sterilization device to solve the problem that when cleaning the filter of the purifier, the filter needs to be removed from the purifier, which is inconvenient to use.

[0006] The utility model provides a portable UVC-LED air sterilization device, comprising a sterilization box, a fan and a flow channel sterilization lamp, the sterilization box comprising a box body, a partition, a first filter screen and a second filter screen, the box body is formed with an air inlet and an air outlet, the partition screen is built in the box body to form a sterilization channel connecting the air inlet and the air outlet, the first filter screen and the second filter screen are respectively attached to the air inlet and the air outlet of the box body, the fan is built in the sterilization channel of the box body, and the flow channel sterilization lamp is built in the sterilization channel of the box body.

[0007] Furthermore, the air inlet is located at the outer wall of the sterilization box, the air inlet includes a plurality of air inlet hole groups, the plurality of air inlet hole groups are evenly arranged along the circumference of the sterilization box, the air inlet hole group includes a plurality of air inlet holes arranged in sequence along the height direction of the sterilization box, the air outlet is located at the top of the sterilization box, the air outlet includes a plurality of hollow portions, and the first filter is annular.

[0008] Furthermore, the partition includes a cylindrical guide plate, which is built into the box body, and a first flow channel facing the air inlet is formed between the side wall of the cylindrical guide plate and the inner side wall of the box body, a second flow channel is formed between the cylindrical guide plate and the inner bottom wall of the box body, and a third flow channel facing the air outlet is formed between the cylindrical interior and the inner top wall of the box body, and the first flow channel, the second flow channel and the third flow channel are connected in sequence to form the sterilization channel.

[0009] Furthermore, the partition also includes a bucket-shaped guide plate, the top of the cylindrical guide plate is connected to the bucket-shaped guide plate, the top of the bucket-shaped guide plate is fixedly connected to the inner top wall of the box body, the bucket-shaped guide plate gradually expands in the direction approaching the air outlet, and the second filter is built into the bucket-shaped guide plate.

[0010] Furthermore, the partition also includes an annular plate, which is sleeved on the outer wall of the cylindrical guide plate, and the annular plate gradually expands along the direction from the second flow channel to the first flow channel and is arranged to point to the first filter screen.

[0011] Furthermore, the number of the first filter screens is two, and the two first filter screens are arranged in sequence along the height direction of the box body, wherein one of the filter screens is arranged facing the outer wall of the bucket-shaped guide plate, and the annular plate is inclined to point to the other filter screen.

[0012] Furthermore, the flow channel sterilization lamp is built into the cylindrical guide plate.

[0013] Furthermore, the cylindrical guide plate is made of a transparent material, and the sterilization light emitted by the flow channel sterilization lamp covers the first flow channel and the third flow channel.

[0014] Furthermore, the flow channel sterilization lamp includes a plurality of UVC-LED lamp tubes, and the plurality of UVC-LED lamp tubes are evenly arranged circumferentially along the extension direction of the sterilization channel.

[0015] Furthermore, it also includes a corner germicidal lamp, which is ring-shaped and arranged at the edge of the bottom wall of the box body, and the germicidal light emitted by the corner germicidal lamp covers the first flow channel and the second flow channel.

[0016] Compared with the prior art, a sterilization channel connecting the air inlet and the air outlet is formed in the box through a partition built into the box body. Through the fan arranged in the sterilization channel of the box body, the outside air flows into the sterilization channel from the air inlet and flows out from the air outlet. In the process of flowing through the sterilization channel, the sterilization light emitted by the sterilization lamp in the flow channel can kill bacteria. After long-term use, dust accumulates on the first filter net. At this time, the fan is controlled to reverse, and air is taken in from the air outlet of the box body, and is discharged from the air inlet after passing through the sterilization channel. The airflow backwashes the first filter net, and blows off foreign matter such as dust clogged in the filter holes, thereby realizing the function of cleaning the filter net. No disassembly is required, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall external structure of the portable UVC-LED air sterilization device provided in an embodiment of the utility model;

[0018] Figure 2 A schematic diagram of the overall internal structure of the portable UVC-LED air sterilization device provided in an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the air flow direction when the fan in the portable UVC-LED air sterilization device provided in an embodiment of the utility model is reversed. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0021] like Figure 1-2 As shown, the utility model provides a portable UVC-LED air sterilization device, including a sterilization box 100, a fan 200 and a flow channel sterilization lamp 300. The sterilization box 100 includes a box body 110, a partition 120, a first filter 130 and a second filter 140. The box body 110 is formed with an air inlet 111 and an air outlet 112. The partition 120 is built into the box body 110 to form a sterilization channel connecting the air inlet 111 and the air outlet 112. The first filter 130 and the second filter 140 are respectively attached to the air inlet 111 and the air outlet 112 of the box body 110. The fan 200 is built into the sterilization channel of the box body 110, and the flow channel sterilization lamp 300 is built into the sterilization channel of the box body 110.

[0022] During implementation, a sterilization channel connecting the air inlet 111 and the air outlet 112 is formed in the box 110 through the partition 120 built into the box body 110. Through the fan 200 arranged in the sterilization channel of the box body 110, the outside air flows into the sterilization channel from the air inlet 111 and flows out from the air outlet 112. In the process of flowing through the sterilization channel, the sterilization light emitted by the flow channel sterilization lamp 300 can kill bacteria. After long-term use, dust accumulates on the first filter 130. At this time, the fan 200 is controlled to reverse, and air is taken in from the air outlet 112 of the box body 110, and is discharged from the air inlet 111 after passing through the sterilization channel. The airflow backwashes the first filter 130, and blows off foreign matter such as dust blocked in the filter holes, thereby realizing the function of cleaning the filter. No disassembly is required, and it is easy to use.

[0023] The sterilization box 100 in this embodiment provides an environment for the operation of the flow channel sterilization lamp 300, so that the gas to be sterilized flows through the sterilization box 100, and the flow channel sterilization lamp 300 in the sterilization box 100 sterilizes the gas. The sterilization box 100 includes a box body 110, a partition 120, a first filter 130 and a second filter 140. The box body 110 is formed with an air inlet 111 and an air outlet 112. The partition 120 is built into the box body 110 to form a sterilization channel connecting the air inlet 111 and the air outlet 112. The first filter 130 and the second filter 140 are respectively attached to the air inlet 111 and the air outlet 112 of the box body 110.

[0024] In one embodiment, the air inlet 111 is located at the outer wall of the sterilization box 100, and the air inlet 111 includes multiple air inlet hole groups, and the multiple air inlet hole groups are evenly arranged along the circumference of the sterilization box 100. The air inlet hole group includes multiple air inlet holes arranged in sequence along the height direction of the sterilization box 100. The air outlet 112 is located at the top of the sterilization box 100, and the air outlet 112 includes multiple hollow parts. The first filter 130 is annular.

[0025] In one embodiment, the partition 120 includes a cylindrical guide plate 121113, which is built into the box body 110. A first flow channel facing the air inlet 111 is formed between the side wall of the cylindrical guide plate 121113 and the inner wall of the box body 110, a second flow channel is formed between the cylindrical guide plate 121113 and the inner bottom wall of the box body 110, and a third flow channel facing the air outlet 112 is formed between the cylindrical interior and the inner top wall of the box body 110. The first flow channel, the second flow channel and the third flow channel are connected in sequence to form a sterilization channel.

[0026] In order to disperse the air discharged through the air outlet 112 more, in one embodiment, the partition 120 also includes a bucket-shaped guide plate 122113, the top of the cylindrical guide plate 121113 is connected to the bucket-shaped guide plate 122113, the top of the bucket-shaped guide plate 122113 is fixedly connected to the inner top wall of the box body 110, the bucket-shaped guide plate 122113 gradually expands toward the direction approaching the air outlet 112, and the second filter 140 is built into the bucket-shaped guide plate 122113.

[0027] like Figure 2-3 As shown, the fan 200 in this embodiment provides power for the flow of air in the sterilization channel. After long-term use, the first filter 130 located at the air inlet 111 is full of dust. At this time, the fan 200 can be controlled to reverse, and air is taken in from the air outlet 112 of the box 110, and then discharged from the air inlet 111 after passing through the sterilization channel. The airflow backwashes the first filter 130, and blows off the dust and other foreign matter blocked in the filter hole, thereby achieving the function of cleaning the filter.

[0028] In order to allow the airflow to blow directly onto the first filter screen 130 during the above-mentioned backwashing process, in one embodiment, the partition 120 also includes an annular plate 123, which is sleeved on the outer wall of the cylindrical guide plate 121113, and the annular plate 123 gradually expands in the direction from the second flow channel to the first flow channel and is arranged to point to the first filter screen 130.

[0029] There are two first filters 130 , which are arranged in sequence along the height direction of the box body 110 , one of which is arranged facing the outer wall of the bucket-shaped guide plate 122113 , and the annular plate 123 is inclined to point to the other filter.

[0030] The flow channel sterilization lamp 300 in this embodiment is used to emit sterilization light, that is, ultraviolet light, so as to achieve the function of killing bacteria in the air. The flow channel sterilization lamp 300 is built into the cylindrical guide plate 121113.

[0031] To improve the sterilization effect, in one embodiment, the cylindrical guide plate 121113 is made of transparent material, and the sterilization light emitted by the flow channel sterilization lamp 300 covers the first flow channel and the third flow channel. The sterilization light passing through the cylindrical guide plate 121113 and entering the first flow channel can sterilize the air.

[0032] In one embodiment, the flow channel sterilization lamp 300 includes a plurality of UVC-LED lamp tubes, and the plurality of UVC-LED lamp tubes are evenly arranged circumferentially along the extension direction of the sterilization channel.

[0033] In one embodiment, a corner germicidal lamp 400 is further included. The corner germicidal lamp 400 is ring-shaped and arranged at the edge of the bottom wall of the box body 110. The germicidal light emitted by the corner germicidal lamp 400 covers the first flow channel and the second flow channel.

[0034] Compared with the prior art: a baffle 120 built into the housing 110 is used to form a sterilization channel connecting the air inlet 111 and the air outlet 112 in the housing 110; a fan 200 is provided in the sterilization channel of the housing 110 so that outside air flows into the sterilization channel from the air inlet 111 and flows out from the air outlet 112; in the process of flowing through the sterilization channel, the sterilization light emitted by the channel sterilization lamp 300 can kill bacteria; after long-term use, dust accumulates on the first filter 130; at this time, the fan 200 is controlled to reverse, and air is taken in from the air outlet 112 of the housing 110, and is discharged from the air inlet 111 after passing through the sterilization channel; the airflow backwashes the first filter 130, and blows off foreign objects such as dust clogged in the filter holes, thereby realizing the function of cleaning the filter; no disassembly is required, and the filter is easy to use.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A portable UVC-LED air sterilization device, characterized in that: include: A sterilization box, the sterilization box comprising a box body, a partition, a first filter screen and a second filter screen, the box body is formed with an air inlet and an air outlet, the partition screen is built into the box body to form a sterilization channel connecting the air inlet and the air outlet, the first filter screen and the second filter screen are respectively attached to the air inlet and the air outlet of the box body; A fan, wherein the fan is built into the sterilization channel of the box; A flow channel sterilization lamp is built into the sterilization channel of the box.

2. The portable UVC-LED air sterilization device according to claim 1, characterized in that: The air inlet is located at the outer wall of the sterilization box, the air inlet includes a plurality of air inlet hole groups, the plurality of air inlet hole groups are evenly arranged along the circumference of the sterilization box, the air inlet hole group includes a plurality of air inlet holes arranged in sequence along the height direction of the sterilization box, the air outlet is located at the top of the sterilization box, the air outlet includes a plurality of hollow portions, and the first filter is annular.

3. The portable UVC-LED air sterilization device according to claim 1, characterized in that: The partition includes a cylindrical guide plate, which is built into the box body. A first flow channel facing the air inlet is formed between the side wall of the cylindrical guide plate and the inner side wall of the box body, a second flow channel is formed between the cylindrical guide plate and the inner bottom wall of the box body, and a third flow channel facing the air outlet is formed between the cylindrical interior and the inner top wall of the box body. The first flow channel, the second flow channel and the third flow channel are connected in sequence to form the sterilization channel.

4. The portable UVC-LED air sterilization device according to claim 3, characterized in that: The partition also includes a bucket-shaped guide plate, the top of the cylindrical guide plate is connected to the bucket-shaped guide plate, the top of the bucket-shaped guide plate is fixedly connected to the inner top wall of the box body, the bucket-shaped guide plate gradually expands toward the direction approaching the air outlet, and the second filter is built into the bucket-shaped guide plate.

5. The portable UVC-LED air sterilization device according to claim 4, characterized in that: The partition further comprises an annular plate, which is sleeved on the outer wall of the cylindrical guide plate, and the annular plate gradually expands in the direction from the second flow channel to the first flow channel and is arranged to point to the first filter screen.

6. The portable UVC-LED air sterilization device according to claim 5, characterized in that: There are two first filter screens, which are arranged in sequence along the height direction of the box body, one of which is arranged facing the outer wall of the bucket-shaped guide plate, and the annular plate is inclined to point to the other filter screen.

7. The portable UVC-LED air sterilization device according to claim 4, characterized in that: The flow channel sterilization lamp is built into the cylindrical guide plate.

8. The portable UVC-LED air sterilization device according to claim 7, characterized in that: The cylindrical guide plate is made of transparent material, and the sterilizing light emitted by the flow channel sterilizing lamp covers the first flow channel and the third flow channel.

9. The portable UVC-LED air sterilization device according to claim 1, characterized in that: The flow channel sterilization lamp includes a plurality of UVC-LED lamp tubes, and the plurality of UVC-LED lamp tubes are evenly arranged circumferentially along the extension direction of the sterilization channel.

10. The portable UVC-LED air sterilization device according to claim 3, characterized in that: It also includes a corner germicidal lamp, which is ring-shaped and arranged at the edge of the bottom wall of the box body. The germicidal light emitted by the corner germicidal lamp covers the first flow channel and the second flow channel.

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