Photocatalyst sterilization module and air conditioner

Abstract

The utility model relates to the technical field of air conditioners, in particular to a photocatalyst sterilization module and an air conditioner, and aims to solve the problem that an existing air conditioner does not have a sterilization function and a peculiar smell removal function. In order to achieve the purpose, the photocatalyst sterilization module is used for being installed in the air conditioner, the air conditioner is provided with a round air inlet, the photocatalyst sterilization module comprises a shell, a sterilization piece, a light-emitting piece and a catalyst piece, the shell is configured to be matched with the round air inlet in shape, and the sterilization piece is arranged on the outer side of the shell. The light-emitting part and the catalyst part are both arranged in the shell, and the light-emitting part faces the catalyst part. The shape of the shell is configured to be matched with the circular air inlet, the shell is particularly suitable for a ceiling machine or an embedded machine, bacteria on the outer side of the shell can be eliminated through the sterilization part, the sterilization function is achieved, the catalytic part is irradiated through the light-emitting part to achieve the excitation function, the functions of further degerming and removing peculiar smells in the environment are achieved, and therefore the requirements of users are met.

Description

Technical Field

[0001] This utility model relates to the field of air conditioner technology, specifically providing a photocatalytic sterilization module and an air conditioner. Background Technology

[0002] Air conditioners are common household appliances. Their main function is to regulate indoor air temperature, humidity, and airflow, but they lack air purification capabilities.

[0003] Air conditioners generally do not have sterilization functions, and everyone has experienced this: after turning on the air conditioner and sleeping at night, the air is very stale and has a noticeable odor, thus failing to meet user needs.

[0004] Therefore, there is an urgent need to develop a photocatalytic sterilization module and an air conditioner to solve the above problems. Utility Model Content

[0005] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that existing air conditioners do not have sterilization and deodorization functions.

[0006] In a first aspect, the present invention provides a photocatalytic sterilization module for installation in an air conditioner and for sterilizing the air conditioner, the air conditioner having a circular air inlet, the photocatalytic sterilization module comprising: a housing shaped to fit the circular air inlet; a sterilization element disposed on the outside of the housing to eliminate bacteria on the outside of the housing; a light-emitting element and a catalyst element disposed inside the housing, the light-emitting element facing the catalyst element to irradiate the catalyst element for further sterilization and odor elimination.

[0007] In the preferred embodiment of the above photocatalytic sterilization module, the housing includes two semi-annular housings, the sterilization component is disposed on the inner wall of each semi-annular housing, the top of each semi-annular housing is hollowed out and is provided with a downward air guide plate, and the light-emitting component and the catalyst component are disposed sequentially at the bottom of each semi-annular housing.

[0008] In the preferred technical solution of the above photocatalytic sterilization module, the sterilization element is a first ultraviolet germicidal lamp, the light-emitting element includes a semi-annular lamp plate and a second ultraviolet germicidal lamp, the second ultraviolet germicidal lamp is disposed on the semi-annular lamp plate, and the catalyst element is a catalyst mesh.

[0009] In the preferred embodiment of the above photocatalytic sterilization module, the housing is an annular housing, the sterilization element is disposed on the inner wall of the annular housing, the top of the annular housing is hollowed out, the light-emitting element is disposed near the inner wall of the annular housing, and the catalyst element is disposed near the outer wall of the annular housing.

[0010] In the preferred technical solution of the above-mentioned photocatalytic sterilization module, the sterilization element is a first ultraviolet germicidal lamp, the light-emitting element includes a ring lamp plate and a second ultraviolet germicidal lamp, both the first ultraviolet germicidal lamp and the second ultraviolet germicidal lamp are disposed on the ring lamp plate, and the catalyst element is a catalyst mesh.

[0011] In the preferred embodiment of the above photocatalytic sterilization module, the housing is a fan-shaped housing, which includes a fan-shaped upper shell and a fan-shaped lower shell. The fan-shaped upper shell has a hollowed-out section, the sterilization element is disposed on the side wall of the fan-shaped lower shell, the light-emitting element is disposed between the fan-shaped upper shell and the fan-shaped lower shell, and the catalyst element is disposed in the fan-shaped lower shell.

[0012] In the preferred embodiment of the above-mentioned photocatalytic sterilization module, the sterilization component includes a lamp panel and a first ultraviolet germicidal lamp, the light-emitting component includes a fan-shaped lamp panel and a second ultraviolet germicidal lamp, the second ultraviolet germicidal lamp is disposed on the fan-shaped lamp panel, and the catalyst component is a catalyst mesh.

[0013] In the preferred embodiment of the above photocatalytic sterilization module, the housing is an arc-shaped housing, the sterilization component is disposed on the side wall of the arc-shaped housing, the top of the arc-shaped housing is hollowed out, and the light-emitting component and the catalyst component are disposed on the side wall of the arc-shaped housing.

[0014] In the preferred technical solution of the above photocatalytic sterilization module, the sterilization element is a first ultraviolet germicidal lamp, the light-emitting element includes an arc-shaped lamp plate and a second ultraviolet germicidal lamp, the first ultraviolet germicidal lamp and the second ultraviolet germicidal lamp are disposed on the arc-shaped lamp plate, and the catalyst element is an arc-shaped catalyst mesh.

[0015] In a second aspect, the present invention also provides an air conditioner having a circular air inlet, and the air conditioner further includes the aforementioned photocatalytic sterilization module, which is installed at the circular air inlet.

[0016] With the above technical solution adopted, the photocatalytic sterilization module and air conditioner of this utility model include a housing, a sterilization component, a light-emitting component, and a catalyst component. The housing is shaped to fit a circular air inlet, which is particularly suitable for ceiling-mounted or embedded air conditioners. The sterilization component can eliminate bacteria on the outside of the housing to achieve sterilization. The light-emitting component irradiates the catalyst component to activate it, thereby achieving further sterilization and removal of odors in the environment, thus meeting user needs. Attached Figure Description

[0017] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0018] Figure 1This is a schematic three-dimensional view of a photocatalytic sterilization module according to this utility model;

[0019] Figure 2 yes Figure 1 Schematic exploded view of the light-emitting component and the catalyst component in the diagram;

[0020] Figure 3 yes Figure 1 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner;

[0021] Figure 4 This is a schematic perspective view of another photocatalytic sterilization module of this utility model;

[0022] Figure 5 yes Figure 4 Schematic exploded view of the light-emitting component and the catalyst component in the diagram;

[0023] Figure 6 yes Figure 4 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner;

[0024] Figure 7 This is a schematic perspective view of another photocatalytic sterilization module of this utility model;

[0025] Figure 8 yes Figure 7 An exploded view of the photocatalytic sterilization module with the fan-shaped top shell removed.

[0026] Figure 9 yes Figure 7 A schematic three-dimensional view of the fan-shaped lower shell in the middle;

[0027] Figure 10 yes Figure 7 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner;

[0028] Figure 11 This is a schematic perspective view of another photocatalytic sterilization module of this utility model;

[0029] Figure 12 yes Figure 11 Schematic exploded view of the light-emitting component and the catalyst component in the diagram;

[0030] Figure 13 yes Figure 12 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner.

[0031] The symbols in the diagram represent the following meanings:

[0032] 100 air conditioner

[0033] 1. Photocatalytic sterilization module; 2. Circular air inlets.

[0034] 10. Shell, 11. Semi-circular shell, 12. Hollowed-out design, 13. Air guide plate, 14. Circular shell, 15. Fan-shaped upper shell, 16. Fan-shaped lower shell, 17. Arc-shaped shell.

[0035] 20 sterilization parts,

[0036] 30. Light-emitting element; 31. Semi-circular lamp panel; 32. Second ultraviolet germicidal lamp; 33. Circular lamp panel; 34. Fan-shaped lamp panel; 35. Arc-shaped lamp panel.

[0037] 40 catalyst components. Detailed Implementation

[0038] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Those skilled in the art can make adjustments as needed to adapt to specific application scenarios.

[0039] It should be noted that in the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0040] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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 direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0041] Figure 1 This is a schematic three-dimensional view of a photocatalytic sterilization module according to this utility model. Figure 2 yes Figure 1 A schematic exploded view of the light-emitting and catalytic components. Figure 3 yes Figure 1 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner. Figures 1-3 Two semi-circular photocatalytic sterilization modules are shown. Figure 4 This is a schematic three-dimensional view of another photocatalytic sterilization module of this utility model. Figure 5 yesFigure 4 A schematic exploded view of the light-emitting and catalytic components. Figure 6 yes Figure 4 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner.

[0042] Figures 4-6 A ring-shaped photocatalytic sterilization module is shown. Figure 7 This is a schematic three-dimensional view of another photocatalytic sterilization module of this utility model. Figure 8 yes Figure 7 An exploded view of the photocatalytic sterilization module with the fan-shaped upper shell removed. Figure 9 yes Figure 7 A schematic three-dimensional view of the fan-shaped lower shell. Figure 10 yes Figure 7 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner. Figures 8-10 The fan-shaped structure of the photocatalytic sterilization module is shown. Figure 11 This is a schematic three-dimensional view of another photocatalytic sterilization module of this utility model. Figure 12 yes Figure 11 A schematic exploded view of the light-emitting and catalytic components. Figure 13 yes Figure 12 A schematic 3D diagram of the photocatalytic sterilization module installed in an air conditioner. Figures 11-13 The photocatalytic sterilization module with an arc-shaped structure is shown.

[0043] like Figures 1-13 As shown, to address the problem that existing air conditioners lack sterilization and odor removal functions, this invention provides a photocatalytic sterilization module 1 for installation in an air conditioner 100 to sterilize the air conditioner 100. The air conditioner 100 has a circular air inlet 2. The photocatalytic sterilization module 1 includes a housing 10, a sterilization component 20, a light-emitting component 30, and a catalyst component 40. The housing 10 is shaped to fit the circular air inlet 2. The sterilization component 20 is disposed on the outside of the housing 10 to eliminate bacteria on the outside of the housing 10. The light-emitting component 30 and the catalyst component 40 are both disposed inside the housing 10, with the light-emitting component 30 facing the catalyst component 40 to irradiate the catalyst component 40 for further sterilization and odor elimination.

[0044] With the above technical solution adopted, the photocatalytic sterilization module 1 of this utility model includes a housing 10, a sterilization component 20, a light-emitting component 30, and a catalyst component 40. The housing 10 is shaped to fit the circular air inlet 2, which is particularly suitable for ceiling-mounted or embedded machines. The sterilization component 20 can eliminate bacteria on the outside of the housing 10 to achieve sterilization. The light-emitting component 30 irradiates the catalyst component 40 to activate it, thereby achieving further sterilization and removal of odors in the environment, thus meeting user needs.

[0045] likeFigures 1-3 As shown, in one possible implementation, the housing 10 includes two semi-annular housings 11. A sterilization element 20 is disposed on the inner wall of each semi-annular housing 11. Specifically, the number of sterilization elements 20 can be two evenly distributed, with four sterilization elements 20 focusing on the central irradiation, so that the circular area between the two semi-annular housings 11 can be effectively irradiated by all four sterilization elements 20, allowing all passing air to be sterilized. Of course, in other embodiments, the number of sterilization elements 20 can also be one, three, four, or other numbers, depending on the sterilization effect. The top of each semi-annular housing 11 is hollowed out 12 and has a downward-facing air guide plate 13, resulting in lower wind resistance and a loss of less than 3% in overall airflow, which hardly affects the airflow of the air conditioner 100. From the perspective of the air conditioner 100, after adding this photocatalytic sterilization module 1, there is almost no loss in cooling and heating, which can be ignored, resulting in greater energy savings. A light-emitting element 30 and a catalyst element 40 are sequentially disposed at the bottom of each semi-annular housing 11.

[0046] As one possible implementation, the sterilizing element 20 is further defined as a first ultraviolet germicidal lamp. The light-emitting element 30 includes a semi-annular lamp plate 31 and a second ultraviolet germicidal lamp 32. The second ultraviolet germicidal lamp 32 is disposed on the semi-annular lamp plate 31, and the number of second ultraviolet germicidal lamps 32 can be multiple, for example... Figure 2 The number of the eight in the original text is, of course, in other embodiments, the number of the second ultraviolet germicidal lamps 32 may be four, five, six, seven, or other quantities. The catalyst element 40 is a catalyst mesh, which includes: a mesh material and a catalyst attached thereto. The mesh material is generally a nickel mesh, but is not limited to this. The catalyst is generally a titanium dioxide catalyst, but is not limited to this; the catalyst can also be an aluminum substrate or a honeycomb ceramic substrate plus a photocatalyst.

[0047] Ultraviolet (UV) light has bactericidal and disinfecting properties. Based on wavelength, UV light is divided into three categories: short-wave (190nm–280nm), medium-wave (280nm–320nm), and long-wave (320nm–400nm). Short-wave UV light has the highest energy; it has been confirmed that UV light in the 265nm band, also known as the C-band or deep ultraviolet band, has the strongest bactericidal effect. The A-band (320nm–400nm) provides the best catalytic excitation effect. In practical implementation, the first UV germicidal lamp can be a deep ultraviolet (UVC) LED lamp with a wavelength of 265nm, used for air sterilization. The second ultraviolet germicidal lamp 32 can be a UVA LED lamp. By combining the UVA LED lamp with a catalyst, the UVA LED light excites the catalyst, causing it to undergo a photocatalytic reaction similar to photosynthesis. This produces highly oxidizing free hydroxyl radicals and reactive oxygen species, exhibiting strong photo-oxidation and reduction capabilities. This allows it to oxidize and decompose various organic compounds and some inorganic substances, destroying bacterial cell membranes and solidifying viral proteins. It can kill bacteria and decompose organic pollutants into harmless water (H2O) and carbon dioxide (CO2), thus possessing strong sterilization, disinfection, deodorization, mildew prevention, stain prevention, self-cleaning, and air purification functions, achieving the effects of sterilizing, disinfecting, and deodorizing the air. In practical implementation, the entire photocatalytic sterilization module 1 can be built into an air conditioner 100, a fresh air system, or an air purifier to avoid direct visual exposure to ultraviolet light.

[0048] like Figures 4-6 As shown, as one possible implementation, it is related to Figures 1-3 The difference between the embodiments shown is: Figures 4-6 The housing 10 in the illustrated embodiment is an annular housing 14. A sterilization element 20 is disposed on the inner wall of the annular housing 14. The number of sterilization elements 20 can be two, meaning both elements focus on the central irradiation, ensuring that the entire central circular area is effectively irradiated by both elements, allowing all air to be sterilized. Of course, the number of sterilization elements 20 can also be different, depending on the sterilization effect. The top of the annular housing 14 has a perforation 12. This perforation reduces wind resistance, resulting in less than 3% loss of overall airflow, which has almost no impact on the airflow of the air conditioner 100. From the perspective of the air conditioner 100, adding this photocatalytic sterilization module 1 results in almost no loss in cooling or heating, which is negligible, leading to greater energy savings. The light-emitting element 30 is disposed near the inner wall of the annular housing 14, and the catalyst element 40 is disposed near the outer wall of the annular housing 14.

[0049] As one possible implementation, the sterilization element 20 is further defined as a first ultraviolet germicidal lamp, such as a UVC LED lamp. The light-emitting element 30 includes a ring-shaped lamp plate 33 and a second ultraviolet germicidal lamp 32. The second ultraviolet germicidal lamp 32 can be a UVA LED lamp, and the number of second ultraviolet germicidal lamps 32 can be multiple, for example, 14, 13, or 12 UVA LED lamps, etc. The first ultraviolet germicidal lamp and the second ultraviolet germicidal lamp 32 are both disposed on the ring-shaped lamp plate 33 and arranged back to back. The catalyst element 40 is a catalyst mesh, which includes a mesh material and a catalyst attached thereto. The mesh material is generally a nickel mesh, but is not limited to this. The catalyst is generally a titanium dioxide catalyst, but is not limited to this; the catalyst can also be an aluminum substrate or a honeycomb ceramic substrate plus a photocatalyst.

[0050] like Figures 7-10 As shown, as one possible implementation, it is related to Figures 1-3 The difference between the embodiments shown is that, Figures 7-10 The photocatalytic sterilization module 1 shown has a fan-shaped housing 10. The fan-shaped housing includes an upper fan-shaped housing 15 and a lower fan-shaped housing 16, which can be connected by screws. The upper fan-shaped housing 15 has a perforation 12. Sterilization elements 20 are disposed on the side walls of the lower fan-shaped housing 16; the number of sterilization elements 20 can be two, or other numbers. A light-emitting element 30 is disposed between the upper fan-shaped housing 15 and the lower fan-shaped housing 16. A catalyst element 40 is disposed on the lower fan-shaped housing 16. The catalyst element 40 can completely cover the surface of the lower fan-shaped housing 16, or it can partially cover the surface of the lower fan-shaped housing 16.

[0051] As one possible implementation, the sterilization component 20 further includes a lamp panel (not shown in the figure) and a first ultraviolet germicidal lamp, which can be a UVC LED lamp. The light-emitting component 30 includes a fan-shaped lamp panel 34 and a second ultraviolet germicidal lamp 32 (not shown in the figure), the second ultraviolet germicidal lamp 32 being disposed on the fan-shaped lamp panel 34, and the second ultraviolet germicidal lamp 32 can be a UVA LED lamp, and there are multiple such lamps. The catalyst component 40 is a catalyst mesh, which includes a mesh material and a catalyst attached thereto. The mesh material is generally a nickel mesh, but is not limited to this. The catalyst is generally a titanium dioxide catalyst, but is not limited to this; the catalyst can also be an aluminum substrate or a honeycomb ceramic substrate plus a photocatalyst. This embodiment focuses more on odor removal, with relatively more UVA LED lamps and a relatively larger catalyst area, which can activate more oxidizing active substances, resulting in better odor removal effect.

[0052] like Figures 10-13 As shown, as one possible implementation, it is related to Figures 1-3 The difference between the embodiments shown is that, Figures 10-13The photocatalytic sterilization module 1 shown has a housing 10 that is an arc-shaped housing 17. Sterilization components 20 are disposed on the side walls of the arc-shaped housing 17. The number of sterilization components 20 can be two, or other numbers. The top of the arc-shaped housing 17 has a cutout 12. Light-emitting components 30 and catalyst components 40 are disposed on the side walls of the arc-shaped housing 17.

[0053] As one possible implementation, the sterilization element 20 is further defined as a first ultraviolet germicidal lamp, which can be a UVC LED lamp. Two UVC LED lamps are used, with a 60° beam angle, to concentrate on irradiating the incoming air. This ensures that the long-distance irradiance reaches the sterilization intensity while also increasing the beam angle to irradiate as much of the circular air inlet 2 as possible. The light-emitting element 30 includes an arc-shaped lamp plate 35 and a second ultraviolet germicidal lamp 32. Both the first and second ultraviolet germicidal lamps 32 are mounted on the arc-shaped lamp plate 35 and arranged back-to-back. The second ultraviolet germicidal lamp 32 can be a UVA LED lamp, and there are multiple of them. The catalyst element 40 is an arc-shaped catalyst mesh, which includes a mesh material and a catalyst attached to it. The mesh material is generally a nickel mesh, but not limited to this. The catalyst is generally a titanium dioxide catalyst, but not limited to this; the catalyst can also be an aluminum substrate or a honeycomb ceramic substrate plus a photocatalyst.

[0054] like Figures 10-13 The photocatalytic sterilization module 1 shown has the advantages of more convenient installation and lower cost due to the above structure.

[0055] See Figures 1-13 As shown, this utility model also provides an air conditioner 100, which has a circular air inlet 2. The air conditioner 100 also includes a photocatalytic sterilization module 1 as described in the above embodiment, which is installed at the circular air inlet 2.

[0056] With the above technical solution adopted, the air conditioner 100 of this utility model includes a photocatalytic sterilization module 1. The photocatalytic sterilization module 1 includes a housing 10, a sterilization component 20, a light-emitting component 30, and a catalyst component 40. The housing 10 is shaped to fit the circular air inlet 2, which is particularly suitable for ceiling-mounted or embedded air conditioners. The sterilization component 20 can eliminate bacteria on the outside of the housing 10 to achieve sterilization. The light-emitting component 30 irradiates the catalyst component 40 to activate it, thereby achieving further sterilization and removal of odors in the environment, thus meeting user needs.

[0057] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A photocatalytic sterilization module, characterized in that, It is used to be installed in an air conditioner (100) and to sterilize the air conditioner (100), the air conditioner (100) having a circular air inlet (2), the photocatalytic sterilization module (1) includes: The housing (10) is shaped to fit the circular air inlet (2); A sterilization component (20) is disposed on the outside of the housing (10) to eliminate bacteria on the outside of the housing (10); The light-emitting element (30) and the catalyst element (40) are both disposed inside the housing (10). The light-emitting element (30) faces the catalyst element (40) to irradiate the catalyst element (40) to further sterilize and eliminate odors.

2. The photocatalytic sterilization module according to claim 1, characterized in that, The housing (10) includes two semi-annular housings (11), the sterilization component (20) is provided on the inner wall of each semi-annular housing (11), the top of each semi-annular housing (11) is hollowed out (12) and provided with a downward air guide plate (13), the light-emitting component (30) and the catalyst component (40) are arranged sequentially at the bottom of each semi-annular housing (11).

3. The photocatalytic sterilization module according to claim 2, characterized in that, The sterilization component (20) is a first ultraviolet germicidal lamp, the light-emitting component (30) includes a semi-circular lamp plate (31) and a second ultraviolet germicidal lamp (32), the second ultraviolet germicidal lamp (32) is disposed on the semi-circular lamp plate (31), and the catalyst component (40) is a catalyst mesh.

4. The photocatalytic sterilization module according to claim 1, characterized in that, The housing (10) is an annular housing (14), the sterilization component (20) is disposed on the inner wall of the annular housing (14), the top of the annular housing (14) is hollowed out (12), the light-emitting component (30) is disposed near the inner wall of the annular housing (14), and the catalyst component (40) is disposed near the outer wall of the annular housing (14).

5. The photocatalytic sterilization module according to claim 4, characterized in that, The sterilization component (20) is a first ultraviolet germicidal lamp, and the light-emitting component (30) includes an annular lamp plate (33) and a second ultraviolet germicidal lamp (32). The first ultraviolet germicidal lamp and the second ultraviolet germicidal lamp (32) are both disposed on the annular lamp plate (33), and the catalyst component (40) is a catalyst mesh.

6. The photocatalytic sterilization module according to claim 1, characterized in that, The shell (10) is a fan-shaped shell, which includes a fan-shaped upper shell (15) and a fan-shaped lower shell (16). The fan-shaped upper shell (15) has a perforation (12). The sterilization element (20) is disposed on the side wall of the fan-shaped lower shell (16). The light-emitting element (30) is disposed between the fan-shaped upper shell (15) and the fan-shaped lower shell (16). The catalyst element (40) is disposed in the fan-shaped lower shell (16).

7. The photocatalytic sterilization module according to claim 6, characterized in that, The sterilization component (20) includes a lamp panel and a first ultraviolet germicidal lamp, the light-emitting component (30) includes a fan-shaped lamp panel (34) and a second ultraviolet germicidal lamp, the second ultraviolet germicidal lamp is disposed on the fan-shaped lamp panel (34), and the catalyst component (40) is a catalyst mesh.

8. The photocatalytic sterilization module according to claim 1, characterized in that, The housing (10) is an arc-shaped housing (17), the sterilization component (20) is provided on the side wall of the arc-shaped housing (17), the top of the arc-shaped housing (17) is hollowed out (12), and the light-emitting component (30) and the catalyst component (40) are provided on the side wall of the arc-shaped housing (17).

9. The photocatalytic sterilization module according to claim 8, characterized in that, The sterilization component (20) is a first ultraviolet germicidal lamp, and the light-emitting component (30) includes an arc-shaped lamp plate (35) and a second ultraviolet germicidal lamp (32). The first ultraviolet germicidal lamp and the second ultraviolet germicidal lamp (32) are disposed on the arc-shaped lamp plate (35), and the catalyst component (40) is an arc-shaped catalyst mesh.

10. An air conditioner, characterized in that, The air conditioner has a circular air inlet (2), and the air conditioner further includes a photocatalytic sterilization module (1) according to any one of claims 1-9, the photocatalytic sterilization module (1) being installed at the circular air inlet (2).

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