Ultraviolet disinfection cabinet

Abstract

The utility model provides an ultraviolet disinfection cabinet. The ultraviolet disinfection cabinet comprises a cabinet body, a fan assembly and a rear shell, the rear shell is arranged outside the cabinet body in a covering manner, and an installation space is formed between the rear shell and the cabinet body; the fan assembly is arranged at the bottom of the cabinet body and located in the installation space. The fan assembly is provided with an air inlet channel and an air outlet channel, an air outlet is formed in the position, corresponding to an outlet of the air outlet channel, of the cabinet body, and an air inlet corresponding to an inlet of the air inlet channel is formed in the side wall of the rear shell. According to the ultraviolet disinfection cabinet provided by the invention, the problems that the overall volume of the ultraviolet disinfection cabinet is too large and the accommodating space is relatively small can be solved, and various costs of production, packaging and transportation are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of disinfection equipment, and in particular to an ultraviolet disinfection cabinet. Background Art

[0002] In order to facilitate the taking of items, most existing UV disinfection cabinets are designed with a front-opening door structure, and most UV disinfection cabinets with a front-opening door structure are higher than deep. Most UV disinfection cabinets in the prior art set the fan assembly at the back of the UV disinfection cabinet relative to the cabinet door to facilitate the air inlet and outlet of the fan assembly. However, due to the fixed thickness of the fan assembly, this design will cause the fan assembly to occupy a large amount of cabinet space. Under the condition of meeting the same disinfection working cavity volume, the overall volume of the UV disinfection cabinet is relatively large, which is not conducive to the development trend of thin and light products. At the same time, the excessive volume leads to an increase in various costs such as production, packaging and transportation, which reduces the market competitiveness of the product. Summary of the invention

[0003] Based on this, the present application provides a UV disinfection cabinet to solve the problem of the UV disinfection cabinet being too large in overall size in the prior art.

[0004] To achieve the above purpose, the technical solution of the embodiment of the present application is implemented as follows:

[0005] An embodiment of the present application provides a UV disinfection cabinet, comprising a cabinet body, a fan assembly and a rear shell; the rear shell cover is arranged outside the cabinet body and forms an installation space between the cabinet body and the rear shell cover; the fan assembly is arranged at the bottom of the cabinet body and is located in the installation space; the fan assembly is provided with an air inlet channel and an air outlet channel, the cabinet body is provided with an air outlet at a position corresponding to the outlet of the air outlet channel, and the side wall of the rear shell is provided with an air inlet corresponding to the inlet of the air inlet channel.

[0006] In one of the embodiments, an air inlet filter is provided at the air inlet.

[0007] In one of the embodiments, the cabinet includes a side panel and a bottom panel that are connected to each other, the surface area of ​​the bottom panel is smaller than the surface area of ​​the side panel, the fan assembly is detachably connected to the bottom panel, and the air outlet is arranged on the bottom panel.

[0008] In one of the embodiments, the fan assembly also includes a centrifugal fan and a heating device; the two ends of the air inlet channel are respectively connected to the air inlet and the air inlet of the centrifugal fan, and the air inlet of the centrifugal fan is arranged toward the side away from the base plate; the two ends of the air outlet channel are respectively connected to the air outlet and the air outlet of the centrifugal fan; the heating device is arranged in the air outlet channel.

[0009] In one embodiment, the ultraviolet disinfection cabinet further includes an ultraviolet disinfection component, and the cabinet body further includes a top plate arranged opposite to the bottom plate, and mounting holes are respectively opened on the bottom plate and the top plate, and one of the ultraviolet disinfection components is respectively installed at each mounting hole.

[0010] In one embodiment, the ultraviolet disinfection assembly includes a decorative panel, a sealing sheet, a lamp board assembly and a mounting plate which are arranged in sequence; the lamp board assembly includes a circuit board and an ultraviolet lamp arranged on the circuit board, and the ultraviolet lamp is arranged on a side of the circuit board close to the decorative panel; the decorative panel and the sealing sheet are integrally formed, and light emitting holes are respectively opened at corresponding positions of the decorative panel and the ultraviolet lamp, and sealing sleeves are respectively provided at corresponding positions of the sealing sheet and the light emitting holes, and the sealing sleeves are arranged on the periphery of the ultraviolet lamp.

[0011] In one embodiment, a surface of the decorative panel facing the light panel assembly is provided with a raised portion, the raised portion is arranged around the outer periphery of the light exit hole, and the inner circumferential dimension of the raised portion is greater than the circumferential dimension of the light exit hole;

[0012] The sealing sleeve is wrapped around the protruding portion and forms a contact portion on the inner side of the protruding portion;

[0013] The ultraviolet lamp comprises a base and lamp beads arranged on the base, and the base is fixed on the circuit board;

[0014] The contact portion is sleeved on the base and is interference fit with the base.

[0015] In one of the embodiments, the circumferential dimension of the light emitting hole at a side away from the light board assembly is larger than the circumferential dimension of the light emitting hole at a side close to the light board assembly.

[0016] In one of the embodiments, the ultraviolet disinfection cabinet further comprises a cabinet door assembly, and the cabinet door assembly is rotatably connected to the cabinet body; the rotation axis of the cabinet door assembly is tilted to compensate for the gravity deformation of the cabinet door assembly.

[0017] In one of the embodiments, the cabinet door assembly is provided with a door shaft portion, and at least two hinges are connected to the cabinet body, and the hinges are rotatably connected to the door shaft portion; and an anti-wear portion is provided at the bottom of the door shaft portion.

[0018] The present application has at least the following beneficial effects: the ultraviolet disinfection cabinet provided by the embodiment of the present application sets the fan assembly at the bottom of the cabinet, and the bottom of the cabinet has a smaller cross-sectional area than the side of the cabinet, so the overall space occupied by the fan assembly can be reduced, which is conducive to the development of the ultraviolet disinfection cabinet in the direction of lightness and thinness. The fan assembly can be ensured to have normal air intake and exhaust by setting the air inlet and air outlet channels, and at the same time, the air inlet is set on the side wall of the rear shell to make the air intake smoother without being restricted by the space at the bottom of the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the ultraviolet disinfection cabinet of an embodiment of the present application.

[0020] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the UV disinfection cabinet.

[0021] Figure 3 This is a schematic diagram of the structure of the cabinet according to an embodiment of the present application.

[0022] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of .

[0023] Figure 5 This is a schematic diagram of the exploded structure of the fan assembly according to an embodiment of the present application.

[0024] Figure 6 This is a schematic diagram of the exploded structure of the ultraviolet disinfection component of an embodiment of the present application.

[0025] Figure 7 for Figure 6 Enlarged schematic diagram of the structure at B.

[0026] Figure 8 for Figure 6 Enlarged schematic diagram of the structure at location C.

[0027] Fig. 9 This is a schematic cross-sectional structural diagram of the ultraviolet disinfection component of an embodiment of the present application.

[0028] Fig.10 for Fig. 9 Enlarged schematic diagram of the structure at D.

[0029] Fig.11 This is a schematic diagram of the exploded structure of the cabinet door assembly according to an embodiment of the present application.

[0030] Fig.12 This is a schematic diagram of the overall structure of the cabinet door assembly according to an embodiment of the present application.

[0031] Fig.13 for Fig.12 Enlarged schematic diagram of the structure at E.

[0032] Fig.14 This is a schematic diagram of the installation structure of the cabinet door assembly according to an embodiment of the present application.

[0033] The meanings of the symbols in the accompanying drawings are as follows:

[0034] 1. Cabinet door assembly; 11. External door frame; 111. Door axis; 1111. Connecting hole; 12. Door panel; 13. Internal door frame; 14. External lower corner;

[0035] 2. Cabinet; 21. Top plate; 22. Side plate; 23. Bottom plate; 24. Mounting hole; 25. Air outlet; 26. Door axis slot;

[0036] 3. rear shell; 31. upper shell; 32. bottom shell; 33. air inlet; 34. air inlet filter;

[0037] 4. UV disinfection assembly; 41. Decorative panel; 411. Light outlet hole; 412. Raised portion; 42. Sealing sheet; 421. Sealing sleeve; 4211. Contact portion; 43. Lamp board assembly; 431. UV lamp; 4311. Base; 4312. Lamp beads; 432. Circuit board; 44. Mounting plate; 441. Pressing portion;

[0038] 5. Fan assembly; 51. Centrifugal fan; 511. Air inlet; 512. Air outlet; 52. Air inlet channel; 53. Air outlet channel; 54. Heating device;

[0039] 6. hinged member; 61. fixed portion; 62. hinged axis;

[0040] 7. Anti-wear part. DETAILED DESCRIPTION

[0041] The technical solution of the present application is further elaborated in detail below in conjunction with the accompanying drawings and specific embodiments of the specification.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit the implementation of this application. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0043] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, "multiple" means two or more.

[0044] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0045] See also Figure 1 and Figure 2 The ultraviolet disinfection cabinet of the embodiment of the present application comprises a cabinet door assembly 1, a cabinet body 2, a fan assembly 5, an ultraviolet disinfection assembly 4 and a rear shell 3. In order to facilitate the taking and placing of articles, the ultraviolet disinfection cabinet of the present embodiment has the cabinet door assembly 1 set as a front-opening door structure, and the height of the cabinet body 2 is greater than the depth, that is, the cross-sectional area of ​​the cabinet door is larger than the cross-sectional area of ​​the bottom of the cabinet body 2.

[0046] The rear shell 3 of this embodiment is covered outside the cabinet 2 and forms an installation space with the cabinet 2. The rear shell 3 includes an upper shell 31 and a bottom shell 32 that are detachably connected. The fan assembly 5 is arranged at the bottom of the cabinet 2 and is located in the installation space between the bottom shell 32 and the cabinet 2. The fan assembly 5 is provided with an air inlet channel 52 and an air outlet channel 53. An air outlet 25 is provided at a position corresponding to the outlet of the cabinet 2 and the air outlet channel 53, and the air outlet 25 is used to supply air into the cabinet 2; an air inlet 33 is provided at a position corresponding to the inlet of the air inlet channel 52 of the rear shell 3, and the air inlet 33 is used to take in air for the fan assembly 5. The air inlet 33 of this embodiment is provided at the lower part of the upper shell 31 (i.e., the side wall of the rear shell 3). Specifically, the air inlet 33 is provided on the side wall opposite to the cabinet door assembly 1. By setting the air inlet 33 on the side wall instead of directly selecting the bottom position corresponding to the fan assembly 5, the air intake of the fan assembly 5 can be smoother, and the side has a larger air intake space relative to the bottom. At the same time, if objects such as towels are laid on the bottom of the cabinet, if the air inlet is set at the bottom, it is very easy to cause the air inlet to be blocked, affecting the air intake effect of the fan assembly 5.

[0047] like Figure 3As shown, in this embodiment, the cabinet 2 is a rectangular box structure, including a top plate 21 arranged on the top of the cabinet 2, a bottom plate 23 arranged on the bottom of the cabinet 2, and a plurality of side plates 22 connecting the top plate 21 and the bottom plate 23. The top plate 21, the bottom plate 23 and the side plates 22 can be fixedly connected or integrally formed. The surface area of ​​the bottom plate 23 is smaller than the surface area of ​​the side plate 22, the fan assembly 5 is detachably connected to the bottom plate 23, and the air outlet 25 is arranged on the bottom plate 23. Since the thickness of the fan assembly 5 is fixed, the fan assembly 5 is arranged in the direction of the bottom plate 23 with a smaller area, rather than in the direction of the side plate 22 opposite to the cabinet door as in the prior art, which can effectively reduce the volume occupied by the fan assembly 5. Under the condition of the same disinfection working cavity volume, the position design of the fan assembly 5 in this embodiment can effectively reduce the overall volume of the ultraviolet disinfection cabinet and reduce the manufacturing, packaging and transportation costs of the whole machine.

[0048] like Figure 2 As shown, in order to keep the internal components clean, an air inlet filter 34 can be provided at the air inlet 33. For example, the air inlet filter 34 can be filter cotton. Disposing the air inlet 33 below the side wall of the rear shell 3 can also facilitate users to remove and replace the filter cotton.

[0049] like Figure 5 As shown, the fan assembly 5 of this embodiment includes a centrifugal fan 51, a heating device 54, an air inlet channel 52 and an air outlet channel 53. The centrifugal fan 51 has a good air supply effect. In order to make the air inlet 511 of the centrifugal fan 51 correspond to the air inlet 33, the air inlet channel 52 and the air outlet channel 53 are specially arranged. The air inlet channel 52 is used to convert the air inlet direction so that the air inlet 33 and the air inlet 511 of the centrifugal fan 51 are connected. The air inlet 511 of the centrifugal fan 51 is arranged toward a side away from the bottom plate 23; the air outlet channel 53 is used to convert the air outlet direction so that the air outlet 25 and the air outlet 512 of the centrifugal fan 51 are connected. The heating device 54 is arranged in the air outlet channel 53. The natural wind blown out by the centrifugal fan 51 enters the interior of the cabinet 2 through the heating device 54 and the air outlet 25. The heating device 54 can heat the natural wind blown out by the centrifugal fan 51 to deliver hot air to the interior of the cabinet 2. When the heating device 54 is not turned on, the centrifugal fan 51 delivers natural air to the interior of the cabinet 2. The user can select the mode according to needs.

[0050] like Figure 3 As shown, the cabinet body 2 of this embodiment is provided with a mounting hole 24 on the top plate 21 and the bottom plate 23 respectively, and a UV disinfection component 4 is installed at each mounting hole 24 respectively.

[0051] like Figure 6As shown, the ultraviolet disinfection assembly 4 of this embodiment includes a decorative panel 41, a sealing sheet 42, a lamp panel assembly 43 and a mounting plate 44 which are arranged in sequence. The lamp panel assembly 43 includes a circuit board 432 and an ultraviolet lamp 431 arranged on the circuit board 432, and the ultraviolet lamp 431 is arranged toward a side close to the decorative panel 41. The decorative panel 41 and the sealing sheet 42 are integrally formed, and light outlet holes 411 are respectively provided at the corresponding positions of the decorative panel 41 and the ultraviolet lamp 431, and sealing sleeves 421 are respectively provided at the corresponding positions of the sealing sheet 42 and the light outlet holes 411, and the sealing sleeves 421 are sleeved on the ultraviolet lamp 431. The sealing sheet 42 can be a soft rubber pad such as rubber or silicone. The sealing sheet 42 integrally formed with the decorative panel 41 is supported by the decorative panel 41, is not easy to deform, is easier to accurately align with the ultraviolet lamp 431, and is easy to install. At the same time, the one-piece structure can effectively reduce the overall thickness of the decorative panel 41 and the sealing sheet 42, thereby reducing the depth of the ultraviolet lamp 431 in the light outlet hole 411 and reducing the probability of debris accumulation in the light outlet hole 411, which is beneficial to improving the light output effect of the ultraviolet lamp 431 and making the light outlet hole 411 easier to clean.

[0052] Specifically, Fig. 9 and Fig.10 As shown, in this embodiment, a protrusion 412 is provided on the surface of the decorative panel 41 facing the light board assembly 43, and the protrusion 412 is arranged around the outer periphery of the light exit hole 411, and the inner circumferential dimension of the protrusion 412 is larger than the circumferential dimension of the light exit hole 411. That is, the inner hole diameter of the protrusion 412 is larger than the hole diameter of the light exit hole 411.

[0053] The sealing sleeve 421 is wrapped around the protruding portion 412 and forms a contact portion 4211 on the inner side of the protruding portion 412 . The contact portion 4211 is used to contact and seal with the ultraviolet lamp 431 .

[0054] like Figure 8 As shown, the ultraviolet lamp 431 includes a base 4311 and a lamp bead 4312 disposed on the base 4311, and the base 4311 is fixed on the circuit board 432. The contact portion 4211 is sleeved around the base 4311 and has an interference fit with the base 4311, so as to form a seal for the lamp bead 4312.

[0055] like Figure 7 As shown, in order to further improve the cleaning convenience at the light outlet hole 411, the circumferential dimension of the light outlet hole 411 away from the light board assembly 43 can be set to be larger than the circumferential dimension of the side close to the light board assembly 43. That is, the light outlet hole 411 forms a trumpet-shaped structure with a large outside and a small inside, so as to facilitate cleaning thereof.

[0056] During assembly, the decorative panel 41, the lamp panel assembly 43 and the mounting plate 44 can be assembled first, and then the mounting plate 44 can be fixed to the bottom plate 23 or the top plate 21 of the cabinet 2 to complete the installation of the ultraviolet disinfection assembly 4. In order to further improve the sealing effect, a sealing ring can be sleeved on the decorative panel 41 so that the ultraviolet disinfection assembly 4 forms a sealing structure at the mounting hole 24. The fan assembly 5 is fixed to the lower surface of the mounting plate 44. In addition to being used to install various components, the mounting plate 44 is also provided with a clamping portion 441, which is used to abut against the circuit board 432 to clamp the circuit board 432 around the ultraviolet lamp 431, thereby improving the sealing performance of the ultraviolet disinfection assembly 4.

[0057] like Fig.11 and Fig.12 As shown, the cabinet door assembly 1 of this embodiment includes an outer door frame 11, an inner door frame 13 and a door panel 12, and the door panel 12 is installed between the outer door frame 11 and the inner door frame 13. A protruding door shaft portion 111 is provided on the side of the outer door frame 11 close to the cabinet body 2, and an upper and lower connecting holes 1111 are provided on the door shaft portion 111. The connecting holes 1111 are used to connect the hinge 6 to be rotatably connected with the cabinet body 2. Correspondingly, a door shaft groove 26 is provided on the cabinet body 2 corresponding to the door shaft portion 111, as shown in FIG. Figure 4 As shown, the hinge 6 includes a fixed portion 61 and a hinge shaft 62 that are connected and arranged. The fixed portion 61 is installed on the cabinet body 2 at a position corresponding to the connecting hole 1111, and the hinge shaft 62 is respectively inserted into the corresponding connecting hole 1111. Since the overall weight of the cabinet door assembly 1 is heavy, after the cabinet door assembly 1 is installed in an aligned manner, the cabinet door assembly 1 will sag on the side away from the door shaft portion 111 due to the effect of gravity. The longer the use time, the more serious this phenomenon is, resulting in the UV disinfection cabinet door being unable to be closed or closing smoothly. In this embodiment, the above problem can be solved by fine-tuning the installation positions of the upper and lower hinges 6 without changing the structure of each component, and the rotation axis of the cabinet door assembly 1 is tilted to compensate for the gravity deformation of the cabinet door assembly 1. Specifically, as Fig.14 As shown, the installation position F of the upper hinge 6 is adjusted to the side where the center line L of the cabinet door assembly 1 is aligned and is away from the cabinet door assembly 1, and the installation position G of the lower hinge 6 is adjusted to the side where the center line L of the cabinet door assembly 1 is aligned and is close to the cabinet door assembly 1. That is, after the adjusted hinge 6 is installed with the door shaft portion 111, the cabinet door assembly 1 can be moved upward as a whole away from the door shaft portion 111, so that the outer lower corner 14 of the cabinet door assembly 1 is tilted upward at the beginning of installation, and after the gravity acts, the installation deviation of the hinge 6 is compensated by the gravity, and the cabinet door assembly 1 is just in the normal installation position. The specific installation deviation value is specifically designed according to the size, weight, shape, etc. of the cabinet door assembly 1.

[0058] like Fig.13As shown, after long-term use of the cabinet door assembly 1, wear will occur between the door shaft portion 111 and the door shaft groove 26, causing the cabinet door assembly 1 to fall, thereby causing the cabinet door to sag as a whole, which will also cause problems such as the door not closing tightly or not closing smoothly. This embodiment also adds an anti-wear portion 7, which is made of wear-resistant and soft materials, such as soft glue, silicone, etc. The anti-wear portion 7 is arranged at the bottom of the door shaft portion 111, and is used to abut against the door shaft groove 26 to prevent wear between the door shaft portion 111 and the door shaft groove 26 after contact. If the anti-wear portion 7 is worn, it can be replaced.

[0059] The ultraviolet disinfection cabinet of the embodiment of the present application arranges the fan assembly at the bottom of the cabinet, reducing the volume occupied by the fan assembly, and meets the air inlet and outlet requirements of the fan assembly by setting the air inlet channel and the air outlet channel. At the same time, the air outlet is arranged at the rear shell on the back of the cabinet, which is convenient for users to disassemble and assemble the air inlet filter.

[0060] The UV disinfection cabinet of the embodiment of the present application is provided with UV disinfection components at the top and bottom of the cabinet, respectively, which enhances the disinfection effect of the UV disinfection cabinet. At the same time, the decorative panel and the sealing sheet are designed in an integrated manner, so that the sealing sheet is supported, and it is easy to accurately align and install with the light board assembly. At the same time, the overall thickness of the decorative panel and the sealing sheet is reduced, so that the depth of the UV lamp in the light outlet hole is reduced, which is convenient for cleaning and preventing the accumulation of debris. The light outlet hole is a trumpet-shaped structure with a large outside and a small inside, which is convenient for cleaning, and can also increase the light outlet angle of the lamp beads, thereby enhancing the light outlet effect, which is conducive to enhancing the disinfection and sterilization effect of the UV disinfection cabinet.

[0061] The UV disinfection cabinet of the embodiment of the present application makes a simple adjustment to the installation method of the cabinet door assembly, which can compensate for the sagging problem of the cabinet door assembly due to gravity, making the cabinet door close more tightly and smoothly. The addition of the anti-wear part further improves the sagging problem of the cabinet door assembly, making the user experience better.

[0062] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0063] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A UV disinfection cabinet, characterized in that: It includes a cabinet body, a fan assembly and a rear shell; the rear shell cover is arranged outside the cabinet body and forms an installation space between the cabinet body and the rear shell cover; the fan assembly is arranged at the bottom of the cabinet body and is located in the installation space; the fan assembly is provided with an air inlet channel and an air outlet channel, the cabinet body is provided with an air outlet corresponding to the outlet of the air outlet channel, and the side wall of the rear shell is provided with an air inlet corresponding to the inlet of the air inlet channel.

2. The ultraviolet disinfection cabinet according to claim 1, characterized in that: An air inlet filter is provided at the air inlet.

3. The ultraviolet disinfection cabinet according to claim 1, characterized in that: The cabinet body comprises a side plate and a bottom plate which are connected to each other. The surface area of ​​the bottom plate is smaller than that of the side plate. The fan assembly is detachably connected to the bottom plate. The air outlet is arranged on the bottom plate.

4. The ultraviolet disinfection cabinet as claimed in claim 3, characterized in that: The fan assembly also includes a centrifugal fan and a heating device; the two ends of the air inlet channel are respectively connected to the air inlet and the air inlet of the centrifugal fan, and the air inlet of the centrifugal fan is arranged toward the side away from the base plate; the two ends of the air outlet channel are respectively connected to the air outlet and the air outlet of the centrifugal fan; the heating device is arranged in the air outlet channel.

5. The ultraviolet disinfection cabinet as claimed in claim 3, characterized in that: The ultraviolet disinfection cabinet further includes an ultraviolet disinfection component, and the cabinet body further includes a top plate arranged opposite to the bottom plate, and mounting holes are respectively opened on the bottom plate and the top plate, and one of the ultraviolet disinfection components is respectively installed at each mounting hole.

6. The ultraviolet disinfection cabinet as claimed in claim 5, characterized in that: The ultraviolet disinfection assembly includes a decorative panel, a sealing sheet, a lamp board assembly and a mounting plate which are arranged in sequence; the lamp board assembly includes a circuit board and an ultraviolet lamp arranged on the circuit board, and the ultraviolet lamp is arranged on a side of the circuit board close to the decorative panel; the decorative panel and the sealing sheet are integrally formed, and light emitting holes are respectively opened at corresponding positions of the decorative panel and the ultraviolet lamp, and sealing sleeves are respectively provided at corresponding positions of the sealing sheet and the light emitting holes, and the sealing sleeves are arranged on the periphery of the ultraviolet lamp.

7. The ultraviolet disinfection cabinet according to claim 6, characterized in that: A convex portion is provided on the surface of the decorative panel facing the light panel assembly, the convex portion is arranged around the periphery of the light exit hole, and the inner circumferential dimension of the convex portion is greater than the circumferential dimension of the light exit hole; The sealing sleeve is wrapped around the protruding portion and forms a contact portion on the inner side of the protruding portion; The ultraviolet lamp comprises a base and lamp beads arranged on the base, and the base is fixed on the circuit board; The contact portion is sleeved on the base and is interference fit with the base.

8. The ultraviolet disinfection cabinet according to claim 6, characterized in that: The circumferential dimension of the light exit hole at a side away from the light board assembly is greater than the circumferential dimension of the light exit hole at a side close to the light board assembly.

9. The ultraviolet disinfection cabinet according to claim 5, characterized in that: It also includes a cabinet door assembly, which is rotatably connected to the cabinet body; the rotation axis of the cabinet door assembly is tilted to compensate for the gravity deformation of the cabinet door assembly.

10. The ultraviolet disinfection cabinet according to claim 9, characterized in that: The cabinet door assembly is provided with a door shaft portion, and the cabinet body is connected with at least two hinged parts, and the hinged parts are rotatably connected to the door shaft portion; and an anti-wear portion is provided at the bottom of the door shaft portion.

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