Air purifying device and passenger car ventilation system

Abstract

The application relates to an air purification device and a passenger vehicle ventilation system, comprising a shell, an ultraviolet lamp, a light reflection assembly and a fan assembly. The air purification device of the application provides a chamber arranged in a first direction through the semi-closed structure of the shell. When air passes through the chamber in the first direction, the air is irradiated by the ultraviolet lamp, and the bacteria in the air can be killed. The wave-shaped sheet of the light reflection assembly can repeatedly reflect the ultraviolet light emitted by the ultraviolet lamp, increasing the number of times that the air is irradiated by the ultraviolet light. Due to the wavy shape of the wave-shaped sheet, the path of the air flow extends in an S shape, the speed of the air flow in the first direction is reduced, the time for the air to pass from one end of the chamber to the other end is prolonged, and the irradiation time of the air is increased.

Description

Technical Field

[0001] This application belongs to the field of air purification technology, and in particular relates to an air purification device and a bus ventilation system. Background Technology

[0002] In current technology, many bus ventilation systems primarily use built-in filters or sterilizing cotton within the air conditioning unit, which is a passive filtration and sterilization method with limited effectiveness. Especially from around 23°C, the proportion of recirculated air increases significantly while fresh air decreases. The proportion of fresh air is no longer sufficient to dilute the viral load inside the vehicle, and the sterilization effect gradually deteriorates. Furthermore, the filters only physically trap, rather than inactivate, microorganisms; the pathogens they trap can still multiply in a humid environment. When the vehicle moves, bacteria and viruses accumulated on the filters may be re-released into the passenger compartment, causing cross-infection. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide an air purification device and a bus ventilation system to address the insufficient sterilization capacity of the existing bus ventilation system.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] An air purification device, comprising:

[0006] A shell, the interior of which is hollow to form a compartment extending in a first direction, the compartment being supplied with air to flow from one end of the shell to the other in the first direction;

[0007] An ultraviolet lamp is installed inside the chamber, with the axis of the ultraviolet lamp arranged along the first direction;

[0008] A light reflecting assembly is installed inside the chamber and located at both ends of the axial direction of the ultraviolet lamp. The light reflecting assembly includes a plurality of wave-shaped sheets arranged along a second direction. The surface of the wave-shaped sheets is capable of reflecting light. The second direction is perpendicular to the first direction. Along the first direction, the extension path of the wave-shaped sheets is wavy.

[0009] A fan assembly, mounted at at least one end of the housing along the first direction, is used to drive air in the compartment to flow along the first direction.

[0010] Preferably, in the air purification device of this invention, along the first direction, the projection portions of adjacent waveform sheets in the light reflecting component overlap.

[0011] Preferably, in the air purification device of this utility model, the light reflection component further includes a fixing plate, the fixing plate extending along the second direction, and one end of the plurality of wave plates fixing one side of the fixing plate.

[0012] Preferably, in the air purification device of this utility model, the number of ultraviolet lamps is one, which is installed in the middle of the housing along the second direction;

[0013] Alternatively, the number of ultraviolet lamps is two, installed on both sides of the housing at the middle position along the second direction.

[0014] Preferably, in the air purification device of this utility model, the housing comprises:

[0015] Mounting substrate;

[0016] A cover plate covers one side of the mounting base plate, and the compartment is formed between the cover plate and the mounting base plate.

[0017] Preferably, in the air purification device of this utility model, the ultraviolet lamp includes a lamp tube and a mounting base, and the two ends of the lamp tube along the first direction are fixed to one side of the mounting base by the mounting base.

[0018] Preferably, the air purification device of this utility model further includes an insect-proof net, which covers the end of the chamber along the first direction or the outside of the fan assembly along the first direction.

[0019] Preferably, in the air purification device of this utility model, the insect-proof net is fixed to the mounting base plate.

[0020] Preferably, in the air purification device of this utility model, the fan assembly includes a baffle and a fan, the cross-sectional shape of the baffle matches the cross-sectional shape of the chamber, the baffle is fixed to one or both ends of the mounting base along the first direction, the baffle has an air outlet that matches the profile of the fan, and the fan is fixed to one side of the baffle along the axis of the air outlet.

[0021] A bus ventilation system includes the aforementioned air purification device, which is installed on the roof of the bus along its length.

[0022] The beneficial effects of this invention are as follows: The air purification device of this invention provides a chamber arranged along a first direction through a semi-enclosed shell structure. When air passes through the chamber along the first direction, it is irradiated by ultraviolet lamps, thus disinfecting bacteria in the air. The corrugated sheet of the light reflecting component can repeatedly reflect the ultraviolet rays emitted by the ultraviolet lamps, increasing the number of times the air is irradiated by ultraviolet rays. At the same time, due to the wavy shape of the corrugated sheet, the air speed flowing along the first direction is reduced, increasing the duration of air irradiation. Therefore, the air purification device of this invention can improve the effect of ultraviolet sterilization of air within a limited length, and its sterilization effect can be guaranteed even when installed in a passenger car without occupying more space.

[0023] The bus ventilation system of this utility model can effectively sterilize the air inside the carriage by setting the above-mentioned air purification device. Attached Figure Description

[0024] The technical solution of this application will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 This is a schematic diagram of the internal structure of the air purification device according to an embodiment of this application;

[0026] Figure 2 This is a partial enlarged view of the air purification device according to an embodiment of this application;

[0027] Figure 3 This is a schematic diagram of the structure of the light reflection component according to an embodiment of this application.

[0028] The attached figures are labeled as follows:

[0029] 1. Housing; 11. Mounting base plate;

[0030] 2. Ultraviolet lamp; 21. Lamp tube; 22. Mounting bracket;

[0031] 3. Light reflecting component; 31. Waveform sheet; 32. Fixing plate;

[0032] 4. Fan assembly; 41. Baffle; 42. Fan;

[0033] 5. Insect-proof netting. Detailed Implementation

[0034] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0035] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the scope of protection of this application. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0036] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this application based on the specific circumstances.

[0037] The technical solution of this application will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] Example

[0039] This embodiment provides an air purification device, such as... Figure 1 , Figure 2 As shown, it includes: housing 1, ultraviolet lamp 2, light reflector 3, and fan assembly 4.

[0040] The interior of the shell 1 is hollow, forming a compartment extending in a first direction, through which air flows from one end of the shell 1 to the other in the first direction.

[0041] The ultraviolet lamp 2 is installed inside the warehouse, and the axis of the ultraviolet lamp 2 is set along the first direction.

[0042] The light reflecting component 3 is installed inside the chamber and located at both ends of the axial direction of the ultraviolet lamp 2. The light reflecting component 3 includes a plurality of wave-shaped sheets 31 arranged along the second direction. The surface of the wave-shaped sheet 31 can reflect light. The second direction is perpendicular to the first direction. Along the first direction, the extension path of the wave-shaped sheet 31 is wavy.

[0043] The fan assembly 4 is mounted at least one end of the housing 1 along a first direction, for driving air in the compartment to flow along the first direction. In this embodiment, the first direction is a single direction, determined by the mechanical characteristics of the fan assembly 4. It is understood that in other embodiments, when the mechanical characteristics of the fan assembly 4 can generate forward or reverse airflow, the first direction may also be bidirectional, including both forward and reverse airflow.

[0044] The air purification device in this embodiment provides a chamber arranged along a first direction through the semi-enclosed structure of the housing 1. When air passes through the chamber along the first direction, it is irradiated by the ultraviolet lamp 2, and bacteria in the air can be disinfected. The wave-shaped plate 31 of the light reflecting component 3 can repeatedly reflect the ultraviolet rays emitted by the ultraviolet lamp 2, increasing the number of times the air is irradiated by ultraviolet rays. At the same time, due to the wavy shape of the wave-shaped plate 31, the airflow path can be extended along an S-shape, the airflow speed along the first direction is reduced, and the time it takes for the air to travel from one end of the chamber to the other is prolonged, thus increasing the duration of air irradiation.

[0045] Therefore, the air purification device of this embodiment can increase the number of times the air is irradiated by ultraviolet light and the duration of irradiation, thereby improving the sterilization effect of ultraviolet light on the air, even with a limited length. It can be installed in the passenger compartment without taking up more space, and its sterilization effect can be guaranteed.

[0046] This embodiment also provides a bus ventilation system, including the above-mentioned air purification device. The air purification device is installed on the top of the bus along the length of the bus, which can make the air circulate from back to front or from front to back in the passenger compartment, so as to meet the need for continuous sterilization of the air in the passenger compartment.

[0047] In an optional embodiment, the projection portions of adjacent wave plates 31 in the light reflecting assembly 3 overlap along the first direction. This structure ensures that when the air in the compartment flows through the light reflecting assembly 3 along the first direction, the local air at any position can be blocked and guided by at least one wave plate 31.

[0048] In an alternative embodiment, such as Figure 1 , Figure 3 As shown, the light reflecting assembly 3 also includes a fixing plate 32, which extends along the second direction, and one end of a plurality of wave-shaped pieces 31 is fixed to one side of the fixing plate 32. In this embodiment, the fixing plate 32 fixes a plurality of wave-shaped pieces 31 in a row, which facilitates the overall installation and fixing of the light reflecting assembly 3 into the housing 1.

[0049] In an alternative embodiment, such as Figure 1 As shown, there is one ultraviolet lamp 2, installed in the middle of the housing 1 along the second direction; or, as... Figure 2As shown, there are two ultraviolet lamps 2, installed on both sides of the middle position along the second direction of the housing 1. This arrangement allows the air inside the chamber to be irradiated by the ultraviolet lamps more evenly.

[0050] In an alternative embodiment, such as Figure 2 As shown, the housing 1 includes: a mounting base plate 11 and a cover plate ( Figure 2 (Not shown in the image) The cover plate covers one side of the mounting base plate 11, forming a compartment between the cover plate and the mounting base plate 11. In this embodiment, the housing 1 is formed by assembling the mounting base plate 11 and the cover plate, which allows for easy removal of the cover plate to facilitate the installation of other components inside the compartment. Finally, the cover plate is put back on, reducing assembly difficulty.

[0051] In an alternative embodiment, such as Figure 1 As shown, the ultraviolet lamp 2 includes a lamp tube 21 and a mounting base 22. The two ends of the lamp tube 21 along the first direction are fixed to one side of the mounting base 11 by the mounting base 22. In this embodiment, the mounting base 22 can conveniently fix the lamp tube 21 in the chamber. Optionally, the mounting base 22 can be fixed to the fixing plate 32 first, and then fixed to the mounting base 11 by the fixing plate 32.

[0052] In an alternative embodiment, such as Figure 1 As shown, the air purification device also includes an insect net 5, which covers the end of the chamber along the first direction or the outside of the fan assembly 4 along the first direction, and can prevent insects or particulate matter from entering the chamber and causing contamination.

[0053] In an optional embodiment, the insect net 5 is fixed to the mounting base 11 so that it can be assembled and disassembled based on the mounting base 11.

[0054] In an alternative embodiment, such as Figure 2 As shown, the fan assembly 4 includes a baffle 41 and a fan 42. The cross-sectional shape of the baffle 41 matches the cross-sectional shape of the compartment. The baffle 41 is fixed to one or both ends of the mounting base plate 11 along a first direction. The baffle 41 has an air outlet that matches the contour of the fan 42. The fan 42 is fixed to one side of the baffle 41 along the axis of the air outlet. In this embodiment, the baffle 41 facilitates the arrangement and fixing of several fans 42, making it convenient for the fan assembly 4 to be assembled. Optionally, the baffle 41 is fixed to the end of the mounting base plate 11 by a fastener, facilitating disassembly and assembly during maintenance and replacement.

[0055] In an optional embodiment, the air purification device of this embodiment is designed with a sterilization efficiency of 100 CFU / m³. 3 This is the typical threshold in the operating room when surgery begins in a hospital.

[0056] Based on the above-described preferred embodiments according to this application, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this application. The technical scope of this application is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An air purification device, characterized in that, include: A housing (1) has a hollow interior forming a chamber extending in a first direction, the chamber being supplied with air that flows from one end of the housing (1) to the other end in the first direction; An ultraviolet lamp (2) is installed inside the chamber, and the axis of the ultraviolet lamp (2) is arranged along the first direction; A light reflecting component (3) is installed in the chamber and located at both ends of the axial direction of the ultraviolet lamp (2). The light reflecting component (3) includes a plurality of wave-shaped sheets (31) arranged along a second direction. The surface of the wave-shaped sheets (31) is capable of reflecting light. The second direction is perpendicular to the first direction. Along the first direction, the extension path of the wave-shaped sheets (31) is wavy. A fan assembly (4) is mounted at at least one end of the housing (1) along the first direction for driving air in the compartment to flow along the first direction.

2. The air purification device according to claim 1, characterized in that, Along the first direction, the projection portions of adjacent wave plates (31) in the light reflecting assembly (3) overlap.

3. The air purification device according to claim 2, characterized in that, The light reflecting component (3) further includes a fixing plate (32) extending along the second direction, and one end of one of the wave plates (31) is fixed to one side of the fixing plate (32).

4. The air purification device according to any one of claims 1-3, characterized in that, The number of ultraviolet lamps (2) is one, which is installed in the middle of the housing (1) along the second direction; Alternatively, the number of ultraviolet lamps (2) is two, installed on both sides of the housing (1) at the middle position along the second direction.

5. The air purification device according to any one of claims 1-3, characterized in that, The housing (1) includes: Mounting substrate (11); A cover plate covers one side of the mounting base plate (11), and the compartment is formed between the cover plate and the mounting base plate (11).

6. The air purification device according to claim 5, characterized in that, The ultraviolet lamp (2) includes a lamp tube (21) and a mounting base (22), wherein the two ends of the lamp tube (21) along the first direction are fixed to the mounting base (11) by the mounting base (22).

7. The air purification device according to claim 5, characterized in that, The air purification device also includes an insect net (5), which covers the end of the chamber along the first direction or the outside of the fan assembly (4) along the first direction.

8. The air purification device according to claim 7, characterized in that, The insect-proof net (5) is fixed to the mounting base plate (11).

9. The air purification device according to claim 5, characterized in that, The fan assembly (4) includes a baffle (41) and a fan (42). The cross-sectional shape of the baffle (41) matches the cross-sectional shape of the compartment. The baffle (41) is fixed to one or both ends of the mounting base plate (11) along the first direction. The baffle (41) has an air outlet that matches the profile of the fan (42). The fan (42) is fixed to one side of the baffle (41) along the axis of the air outlet.

10. A bus ventilation system, characterized in that, The air purification device includes any one of claims 1-9, wherein the air purification device is installed on the roof of the bus along the length of the bus.

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