Ultraviolet lamp assembly and disinfection cabinet

The rotating UV lamp assembly with wireless power transmission addresses uneven UV distribution and dead zones in disinfection cabinets, achieving improved sterilization through uniform light coverage.

CN223095851UActive Publication Date: 2025-07-15NINGBO MEIGAO KITCHENWARE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422187297.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-07-15
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The installation location of the ultraviolet lamps in the existing disinfection cabinet is fixed, resulting in uneven ultraviolet irradiation, blind spots, and insufficient sterilization effect.

Method used

Design an ultraviolet lamp assembly, including a rotatable lampshade and driver, combined with a sensor and a grating disc or wireless module, to achieve flexible rotation of the ultraviolet lamp, and to set up a reflector in the disinfection cabinet to expand the illumination range.

Benefits of technology

It realizes uniform irradiation of ultraviolet rays, reduces dead corners, improves sterilization effect, and solves the problem of wire wrapping and disassembly convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223095851U_ABST
    Figure CN223095851U_ABST
Patent Text Reader

Abstract

The utility model relates to an ultraviolet lamp subassembly and disinfection cabinet, including base, lampshade, drive piece and at least three ultraviolet lamp, lampshade and base are rotatingly connected, ultraviolet lamp and lampshade are connected, drive piece is used for driving lampshade to rotate. The ultraviolet lamp assembly and the disinfection cabinet provided by the utility model have the advantages that the ultraviolet lamp can rotate, the irradiation range is large, the irradiation is uniform, and meanwhile, the irradiation dead angles are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of disinfection cabinets, in particular to an ultraviolet lamp assembly and a disinfection cabinet. Background Art

[0002] With the continuous improvement of people's living standards, the hygienic requirements for dining tableware are also getting higher and higher. The ultraviolet disinfection method of ultraviolet disinfection cabinets has been widely used by people because of its good sterilization effect. Ultraviolet disinfection cabinets usually emit ultraviolet rays to the surface of items to be disinfected through ultraviolet lamps to kill bacteria. In the prior art, the installation positions of ultraviolet lamps in most disinfection cabinets are relatively fixed relative to the items to be disinfected, and the positions where ultraviolet rays are emitted onto the items to be disinfected are fixed. In this way, problems such as uneven irradiation and dead angles occur, resulting in insufficient sterilization and failure to achieve the sterilization effect. Summary of the Utility Model

[0003] One object of the present application is to provide an ultraviolet lamp assembly and a disinfection cabinet, which can expand the irradiation range and reduce dead angles.

[0004] The technical solution adopted by the present application is: an ultraviolet lamp assembly, including a base, a lamp cover, a driving member and at least three ultraviolet lamps. The lamp cover is rotatably connected to the base, the ultraviolet lamp is connected to the lamp cover, and the driving member is used to drive the lamp cover to rotate.

[0005] In some embodiments of the present application, it further includes a sensor and a grating disk. One of the sensor or the grating disk is connected to the lamp cover, and the other is connected to the base. The grating disk is located on the detection path of the sensor.

[0006] In some embodiments of the present application, it further includes a contact thimble and a contact ring. The contact thimble is connected to the base, the contact ring is connected to the lamp cover, the contact thimble is in contact with the contact ring, and the contact ring is electrically connected to the ultraviolet lamp.

[0007] In some embodiments of the present application, it further includes a wireless transmission module and a wireless reception module. The wireless transmission module is connected to the base, the wireless reception module is connected to the lamp cover, and the wireless reception module is electrically connected to the ultraviolet lamp.

[0008] In some embodiments of the present application, through holes are formed in the lamp cover, and the lamp heads of the ultraviolet lamps are located in the through holes.

[0009] Furthermore, a transition surface is provided between the hole wall of the through hole and the outer surface of the lamp cover.

[0010] Furthermore, the included angle between the hole wall of the through hole and the horizontal plane is 0° to 90°.

[0011] In some embodiments of the present application, the surface of the lamp cover is provided with textures; the top surface of the lamp cover is an arc surface.

[0012] Compared with the prior art, the advantages of the present utility model are as follows: 1. The ultraviolet lamp can rotate, with a large irradiation range and uniform irradiation, while reducing the dead angles of irradiation; 2. The problem of winding of the rotating wire is solved, enabling the ultraviolet lamp to rotate freely.

[0013] A disinfection cabinet includes a cabinet body, a cabinet door, and the above-mentioned ultraviolet lamp assembly. The ultraviolet lamp assembly is located inside the cabinet body and at least one is provided. The base is connected to the cabinet body.

[0014] In some embodiments of the present application, a first reflector is provided inside the cabinet body; the surface of the first reflector is provided with textures composed of a plurality of polygons or circles; a second reflector is provided on the side of the cabinet door facing the cabinet body; the surface of the second reflector is provided with textures composed of a plurality of polygons or circles; the first reflector is arranged on the inner surface of the cabinet body.

[0015] In some embodiments of the present application, a bowl basket is provided inside the cabinet body, and the bowl basket is provided with protrusions for the fixed placement of bottles.

[0016] The disinfection cabinet obtained by the present utility model has the following advantages: 1. The ultraviolet lamp assembly can rotate relative to the cabinet body, with uniform irradiation, a large range, and few dead angles; 2. Reflectors are provided on both the cabinet body and the cabinet door, with a large reflection range, fewer dead angles, and better disinfection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of Embodiment 1 of the present utility model;

[0018] Figure 2 is a cross-sectional view of Embodiment 1 of the present utility model;

[0019] Figure 3 is Figure 2 an enlarged view of Part A in

[0020] Figure 4 is a schematic structural diagram of Embodiment 2 of the present utility model;

[0021] Figure 5 is a schematic structural diagram of Embodiment 3 of the present utility model;

[0022] Figure 6 is a schematic structural diagram of Embodiment 4 of the present utility model;

[0023] Figure 7 is a cross-sectional view of Embodiment 4 of the present utility model

[0024] Figure 8 is a schematic structural diagram of Embodiment 4 of the present utility model with the cabinet door removed;

[0025] Figure 9 is a schematic structural diagram of the cabinet door of Embodiment 4 of the present utility model;

[0026] Figure 10 It is a schematic structural diagram of the bowl basket in Embodiment 4 of the present utility model.

[0027] In the figure: 1, cabinet body; 2, cabinet door; 3, rotating shaft frame; 4, base; 5, lamp shade; 6, driving member; 7, ultraviolet lamp; 8, sensor; 9, grating disk; 10, contact thimble; 11, contact ring; 12, wireless transmission module; 13, wireless reception module; 14, through hole; 15, transition surface; 16, first reflector; 17, second reflector; 18, first sealing ring; 19, first sealed bearing; 20, second sealing ring; 21, second sealed bearing; 26, bowl basket; 27, protrusion. Specific embodiments

[0028] To further elaborate on the technical means and effects adopted by the present utility model to achieve the predetermined utility model purpose, the following will, in conjunction with the accompanying drawings and preferred embodiments, describe in detail the specific embodiments, structures, features, and effects according to the present utility model as follows.

[0029] Embodiment 1:

[0030] A kind of ultraviolet lamp assembly provided in this embodiment, as shown in Figure 1 、 Figure 2 , includes a base 4, a lamp shade 5, a driving member 6 and at least three ultraviolet lamps 7. The lamp shade 5 is rotatably connected to the base 4, the ultraviolet lamp 7 is connected to the lamp shade 5, and the driving member 6 is used to drive the lamp shade 5 to rotate; at least one ultraviolet lamp 7 is located at the center of the lamp shade 5. The driving member 6 drives the lamp shade 5 to rotate, and the ultraviolet lamp 7 rotates synchronously with the lamp shade 5, so that the irradiation range of the ultraviolet lamp 7 rotates, the irradiation is uniform, and at the same time, the irradiation dead angle is reduced.

[0031] In this embodiment, seven ultraviolet lamps 7 are provided, one is located at the center of the lamp shade 5, and the other six are evenly distributed around the center of the lamp shade 5. Of course, the ultraviolet lamps 7 can also be arranged in a vortex shape, with the center of the lamp shade 5 as the vortex center; the driving member 6 can be a reduction DC motor or a servo motor or a stepping motor; the driving member 6 is connected to the lamp shade 5 through a rotating shaft frame 3, one end of the rotating shaft frame 3 is connected to the lamp shade 5, and the other end is connected to the driving member 6.

[0032] In order to ensure reliable rotation angle, it further includes a sensor 8 and a grating disk 9. One of the sensor 8 or the grating disk 9 is connected to the lamp shade 5, and the other is connected to the base 4. The grating disk 9 is located on the detection path of the sensor 8. In this embodiment, the sensor 8 is an infrared sensor; the sensor 8 is connected to the base 4, and the grating disk 9 is connected to the lamp shade 5; the grating disk 9 is in a circular ring shape, and through holes are provided on the grating disk 9. The grating disk 9 is used to block the sensor 8, so that the sensor 8 generates a conduction and cut-off signal, thereby controlling the rotation angle of the lamp shade 5 and preventing the rotation angle of the lamp shade 5 from being too large, causing the internal wires to be wound or broken.

[0033] For reliable installation of the ultraviolet lamp 7, as Figure 3 shown, a through hole 14 is formed in the lamp cover 5, and the lamp head of the ultraviolet lamp 7 is located in the through hole 14; a transition surface 15 is provided between the hole wall of the through hole 14 and the outer surface of the lamp cover 5; the included angle between the hole wall of the through hole 14 and the horizontal plane is 0° to 90°; the surface of the lamp cover 5 is provided with texture, and the texture on the surface of the lamp cover 5 is convex or concave. Further, the shape of the convex or concave is polygonal or circular; furthermore, the shape of the convex or concave on the surface of the lamp cover 5 is honeycomb-shaped or triangular; the top surface of the lamp cover 5 is an arc surface. The surface of the lamp cover 5 is convex or concave honeycomb-shaped, that is, each honeycomb is higher in the middle and lower around or lower in the middle and higher around, improving the surface utilization rate of the lamp cover 5 and having a larger irradiation range. The ultraviolet lamp 7 is located in the through hole 14, facilitating the ultraviolet rays emitted by the ultraviolet lamp 7 to irradiate into the cabinet 1 through the through hole 14; the height of the lamp head of the ultraviolet lamp 7 partially coincides with the height of the transition surface 15, that is, the irradiation of the ultraviolet lamp 7 is diffused outward, rather than simply irradiating along the column of the through hole 14. In this embodiment, the surface of the lamp cover 5 is provided with a depression, and the shape of the depression is hexagonal, and the surface of the lamp cover 5 is concave honeycomb-shaped.

[0034] In this embodiment, a first sealing ring 18 is provided between the lamp cover 5 and the grating disk 9; a first sealed bearing 19 is provided between the lamp cover 5 and the base 4.

[0035] Embodiment 2:

[0036] For a ultraviolet lamp assembly provided in this embodiment, for convenient electrical connection, as Figure 4 shown, in addition to the features described in Embodiment 1, it further includes a contact thimble 10 and a contact ring 11. The contact thimble 10 is connected to the base 4, the contact ring 11 is connected to the lamp cover 5, the contact thimble 10 is in contact with the contact ring 11, and the contact ring 11 is electrically connected to the ultraviolet lamp 7. Compared with the traditional wired connection, the power supply of the ultraviolet lamp 7 is provided by the cooperation of the contact thimble 10 and the contact ring 11, which can realize the unrestricted rotation of the lamp cover 5, solve the problems of wire winding and breakage caused by excessive rotation angle of the lamp cover 5, and facilitate the disassembly of the lamp cover 5 for replacing the ultraviolet lamp 7.

[0037] In this embodiment, the grating disk 9 is in a disk shape; a rotating shaft bracket 3 is connected between the driving member 6 and the grating disk 9. One end of the rotating shaft bracket 3 is connected to the grating disk 9, and the other end is connected to the driving member 6, and the grating disk 9 is connected to the lamp cover 5.

[0038] In this embodiment, a second sealing ring 20 is provided between the lamp cover 5 and the grating disk 9; a second sealed bearing 21 is provided between the grating disk 9 and the base 4.

[0039] Of course, after the lamp cover 5 can rotate unrestrictedly, the sensor 8 can be not used.

[0040] Embodiment 3:

[0041] An ultraviolet lamp assembly provided in this embodiment, for the convenience of electrical connection, as Figure 5 shown, in addition to the features described in Embodiment 1, it further includes a wireless transmission module 12 and a wireless reception module 13. The wireless transmission module 12 is connected to the base 4, the wireless reception module 13 is connected to the lamp cover 5, and the wireless reception module 13 is electrically connected to the ultraviolet lamp 7. Compared with the traditional wired connection, the power supply of the ultraviolet lamp 7 is provided by the cooperation of the wireless transmission module 12 and the wireless reception module 13, which can realize the unrestricted rotation of the lamp cover 5, solve the problems of wire winding and breakage caused by the excessive rotation angle of the lamp cover 5, and facilitate the disassembly of the lamp cover 5 for easy replacement of the ultraviolet lamp 7.

[0042] In this embodiment, the grating disk 9 is in a disk shape; the driving member 6 and the grating disk 9 are connected through a rotating shaft bracket 3. One end of the rotating shaft bracket 3 is connected to the grating disk 9, and the other end is connected to the driving member 6. The grating disk 9 is connected to the lamp cover 5; the wireless transmission module 12 uses a transmitting coil, and the wireless reception module 13 uses a receiving coil.

[0043] In this embodiment, a second sealing ring 20 is provided between the lamp cover 5 and the grating disk 9; a second sealed bearing 21 is provided between the grating disk 9 and the base 4.

[0044] Of course, after the lamp cover 5 can rotate unrestrictedly, the sensor 8 can be not used.

[0045] Embodiment 4:

[0046] A disinfection cabinet provided in this embodiment, as Figure 6 、 Figure 7 shown, includes a cabinet body 1, a cabinet door 2, and an ultraviolet lamp assembly as described in any one of Embodiments 1 - 3. The ultraviolet lamp assembly is located inside the cabinet body 1 and at least one is provided. The base 4 is connected to the cabinet body 1. In this embodiment, two ultraviolet lamp assemblies are provided and are respectively located on the upper and lower sides of the cabinet body 1, which has a good irradiation effect on the upper and lower sides and is more suitable for the structure of a double-layer bowl basket. The ultraviolet lamp assembly can rotate relatively, which can make the irradiation range of the ultraviolet lamp assembly larger and reduce dead angles.

[0047] For a large ultraviolet irradiation range, as Figure 8As shown in the figure, a first reflector 16 is provided inside the cabinet body 1. The first reflector 16 is used to reflect the ultraviolet rays emitted by the ultraviolet lamp assembly to expand the irradiation range of the ultraviolet rays. The surface of the first reflector 16 is provided with a texture composed of a plurality of polygons or circles. The texture on the surface of the first reflector 16 is convex or concave. Further, the shape of the convex or concave part is a polygon or a circle. Furthermore, the shape of the convex or concave part on the surface of the first reflector 16 is honeycomb-shaped or triangular-shaped. The honeycomb shape of the convex or concave part on the surface of the first reflector 16, that is, each honeycomb is higher in the middle and lower around or lower in the middle and higher around, improves the surface utilization rate of the first reflector 16 and has a larger reflection range. As Figure 9 shown in the figure, a second reflector 17 is provided on the side of the cabinet door 2 facing the cabinet body 1. The second reflector 17 is used to reflect the ultraviolet rays emitted by the ultraviolet lamp assembly to expand the irradiation range of the ultraviolet rays. The surface of the second reflector 17 is provided with a texture composed of a plurality of polygons or circles. The texture on the surface of the second reflector 17 is convex or concave. Further, the shape of the convex or concave part is a polygon or a circle. Furthermore, the shape of the convex or concave part on the surface of the second reflector 17 is honeycomb-shaped or triangular-shaped. The honeycomb shape of the convex or concave part on the surface of the second reflector 17, that is, each honeycomb is higher in the middle and lower around or lower in the middle and higher around, improves the surface utilization rate of the second reflector 17 and has a larger reflection range. The first reflector 16 is arranged on the inner surface of the cabinet body 1 so that the ultraviolet rays emitted by the ultraviolet lamp assembly can be reflected on any surface inside the cabinet body 1, reducing the irradiation dead angle. In this embodiment, the surface of the first reflector 16 is convex honeycomb-shaped; the surface of the second reflector 17 is convex honeycomb-shaped.

[0048] As Figure 10 shown in the figure, a bowl basket 26 is provided inside the cabinet body 1. A protrusion 27 is provided on the bowl basket 26. The protrusion 27 is used for the fixed placement of bottles. In this embodiment, the bowl basket 26 is provided with two layers, upper and lower.

[0049] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to form equivalent embodiments with equivalent changes, but as long as it does not depart from the technical content of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. An ultraviolet lamp assembly, characterized in that, It includes a base (4), a lamp shade (5), a driving member (6) and at least three ultraviolet lamps (7). The lamp shade (5) is rotatably connected to the base (4), the ultraviolet lamps (7) are connected to the lamp shade (5), and the driving member (6) is used to drive the lamp shade (5) to rotate.

2. The ultraviolet lamp assembly according to claim 1, characterized in that: It further includes a sensor (8) and a grating disk (9). One of the sensor (8) or the grating disk (9) is connected to the lamp shade (5), and the other is connected to the base (4). The grating disk (9) is located on the detection path of the sensor (8).

3. The ultraviolet lamp assembly according to claim 1, characterized in that: It further includes a contact thimble (10) and a contact ring (11). The contact thimble (10) is connected to the base (4), the contact ring (11) is connected to the lamp shade (5), the contact thimble (10) is in contact with the contact ring (11), and the contact ring (11) is electrically connected to the ultraviolet lamp (7).

4. The ultraviolet lamp assembly according to claim 1, characterized in that: It further includes a wireless transmission module (12) and a wireless reception module (13). The wireless transmission module (12) is connected to the base (4), the wireless reception module (13) is connected to the lamp shade (5), and the wireless reception module (13) is electrically connected to the ultraviolet lamp (7).

5. An ultraviolet lamp assembly according to claim 1, characterized in that: A through hole (14) is formed in the lamp shade (5), and the lamp head of the ultraviolet lamp (7) is located in the through hole (14).

6. The ultraviolet lamp assembly according to claim 5, characterized in that: A transition surface (15) is provided between the hole wall of the through hole (14) and the outer surface of the lamp shade (5); the included angle between the hole wall of the through hole (14) and the horizontal plane is 0° - 90°.

7. An ultraviolet lamp assembly according to claim 1, characterized in that: The surface of the lamp shade (5) is provided with a texture; the top surface of the lamp shade (5) is an arc surface.

8. A disinfection cabinet, characterized in that, It includes a cabinet body (1), a cabinet door (2) and an ultraviolet lamp assembly as described in any one of claims 1 - 7. The ultraviolet lamp assembly is located inside the cabinet body (1) and at least one is provided, and the base (4) is connected to the cabinet body (1).

9. A disinfection cabinet according to claim 8, characterized in that: A first reflector (16) is provided inside the cabinet body (1); the surface of the first reflector (16) is provided with a texture composed of a number of polygons or circles; a second reflector (17) is provided on the side of the cabinet door (2) facing the cabinet body (1); the surface of the second reflector (17) is provided with a texture composed of a number of polygons or circles; the first reflector (16) is arranged on the inner surface of the cabinet body (1).

10. A disinfection cabinet according to claim 8, characterized in that: A bowl basket (26) is provided inside the cabinet body (1), and the bowl basket (26) is provided with a protrusion (27) for fixedly placing bottles.