CN116350816A

CN116350816A - Ultraviolet sterilization flat lamp

Info

Publication number: CN116350816A
Application number: CN202310540353.XA
Authority: CN
Inventors: 张开明
Original assignee: Foshan Zoen Lighting Co ltd
Current assignee: Foshan Zoen Lighting Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-06-30

Abstract

The invention relates to the technical field of sterilization and disinfection lamps, in particular to an ultraviolet sterilization flat lamp, which comprises a lamp frame, a lamp shell and a light diffusion plate, wherein the lamp shell and the light diffusion plate are fixed on two sides of the lamp frame; the light diffusion plate is provided with a first notch adapted to the sterilizing lamp, an automatic cleaning component is arranged at the ultraviolet sterilizing lamp, and the automatic cleaning component is used for cleaning the light emitting surface of the ultraviolet sterilizing lamp. The invention can effectively solve the problems that when the existing ultraviolet sterilizing flat lamp is cleaned, cleaning staff mostly climb up to clean one by using stairs, the cleaning process is very inconvenient to operate and the cleaning efficiency is low.

Description

Ultraviolet sterilization flat lamp

Technical Field

The invention relates to the technical field of sterilization and disinfection lamps, in particular to an ultraviolet sterilization flat lamp.

Background

The ultraviolet sterilizing flat lamp is widely applied to hospitals, plants and campuses, is fixed on a top suspended ceiling through hoisting or embedding, has two functions of illumination and sterilization and disinfection, wherein the sterilization and disinfection functions are all to sterilize and disinfect by ultraviolet rays, and the molecular structure of DNA or RNA in microorganism organism cells can be destroyed by ultraviolet rays with proper wavelength, so that growing cell death and/or regenerative cell death are caused, and the sterilization and disinfection effect is achieved.

In actual use, because the ultraviolet irradiation energy is low, the penetrating power is weak, the object to be disinfected needs to be directly irradiated to achieve good disinfection effect, in the use process, the surface of the ultraviolet lamp tube should be kept clean, dust and greasy dirt on the surface of the ultraviolet lamp tube are timely removed, so that the ultraviolet transmittance is not influenced, the disinfection effect is influenced, and in actual use maintenance, the object to be disinfected is cleaned regularly and regularly every week, or the object to be disinfected is cleaned in advance before each use. However, the ultraviolet sterilizing flat lamp is installed in a high hanging mode, cleaning staff in the prior art use stairs to climb to clean one by one, the cleaning process is inconvenient to operate, and the cleaning efficiency is low.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects existing in the prior art, the invention provides the ultraviolet sterilization flat lamp, which can effectively solve the problems that when the existing ultraviolet sterilization flat lamp is cleaned, cleaning staff mostly use stairs to climb up for cleaning one by one, the operation in the cleaning process is very inconvenient, and the cleaning efficiency is low.

Technical proposal

In order to achieve the above purpose, the invention is realized by the following technical scheme:

the invention provides an ultraviolet sterilization flat lamp, which comprises a lamp frame, a lamp shell and a light diffusion plate, wherein the lamp shell and the light diffusion plate are fixed on two sides of the lamp frame, a containing cavity is formed in the lamp frame, the inner side of the containing cavity is divided into two areas, an LED light source body is arranged in one area, and an ultraviolet sterilization lamp is arranged in the other area;

the light diffusion plate is provided with a first notch adapted to the sterilizing lamp, an automatic cleaning component is arranged at the ultraviolet sterilizing lamp, and the automatic cleaning component is used for cleaning the light emergent surface of the ultraviolet sterilizing lamp;

the cleaning assembly at least comprises a cleaning head and a direct-acting assembly, wherein a wiper of the cleaning head is attached to the light emitting surface of the ultraviolet sterilizing lamp, and the direct-acting assembly drags the cleaning head to reciprocate.

Further, a partition plate is welded on the inner side of the lamp frame, the partition plate divides the accommodating cavity into a left area and a right area, a gap is reserved between the partition plate and the inner wall of the lamp frame and used for accommodating the light scattering plate, and the area of the LED light source body is larger than the area of the ultraviolet sterilizing lamp.

Further, the ultraviolet sterilizing lamp gap is built-in the notch, the ultraviolet sterilizing lamp comprises a lamp shell, high-transmittance glass and deep ultraviolet LED lamp beads, the deep ultraviolet LED lamp beads are uniformly distributed in the lamp shell, the high-transmittance glass is packaged on the front side of the lamp shell, and a radiating fin is fixed on the back of the lamp shell.

Further, the cleaning assembly further comprises a mounting plate, wherein the mounting plate is used for supporting and fixing the cleaning head and the direct-acting assembly, and a second notch matched with the first notch is formed in the mounting plate.

Further, the cleaning head is arranged at one end of the ultraviolet sterilizing lamp and is also arranged at the notch in a gap manner, and the bottom surface of the cleaning head and the bottom surface of the ultraviolet sterilizing lamp are coplanar with the bottom surface of the light scattering plate.

Further, the cleaning head comprises a U-shaped support and a cleaning plate, the cleaning plate is detachably fixed at the bottom of the U-shaped support, cleaning cotton is fixed on the cleaning plate, the inner side of the U-shaped support is in clearance fit with the bottom of the ultraviolet sterilizing lamp, the gap of the U-shaped support is built in the notch, and two sides of the U-shaped support are connected with the mounting plate through elastic telescopic pieces.

Further, the elastic expansion piece is a spring column, a plurality of the spring columns are vertically and symmetrically arranged on two sides of the U-shaped support, a guide groove is formed in the mounting plate, the bottom of the spring column is slidably arranged in the guide groove, a limiting plate is fixed on the upper side of the mounting plate, one side of the U-shaped support is arranged between the limiting plate and the mounting plate, a sliding groove is formed in the limiting plate, and a sliding block matched with the sliding groove is fixed on the U-shaped support.

Further, the cleaning plate is fixed to the bottom of the U-shaped support in a magnetic adsorption mode, rectangular holes for the cleaning cotton to pass through are formed in the U-shaped support, and clamping grooves are symmetrically formed in the cleaning plate.

Further, insert the frame on the vice movable pair of direct action subassembly, insert the frame and be in including connecting portion and fixing the inserted bar at connecting portion both ends, the inserted bar is in the direction of movement of direct action subassembly, distributes and sets up the U type support outside, and is fixed with the inclined rod that the inward sloping set up on the inserted bar of keeping away from ultraviolet germicidal lamp one side, the inclined plane contact of inclined rod when the U type support, the spring post is pressed and is warp, the U type support is followed the notch moves down.

Further, the direct acting assembly comprises a roller screw pair and a motor, wherein two sides of the roller screw pair are fixed on the mounting plate through shaft seats, the end parts are linked with the motor, limit switches are arranged at two end parts of the ultraviolet sterilizing lamp, and the limit switches are used for limiting displacement of the moving pair.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

the LED light source body and the ultraviolet sterilizing lamp are separated into independent areas through improving the structural design of the ultraviolet sterilizing flat lamp, the ultraviolet sterilizing lamp is provided with the automatic cleaning component, the cleaning component can automatically clean the light emitting surface of the ultraviolet sterilizing lamp, and the ultraviolet sterilizing lamp can be kept to be quite clean when the sterilizing flat lamp is provided with the functions of illumination and sterilization, so that the surface of the ultraviolet lamp can be ensured to be clean when the ultraviolet sterilizing flat lamp is used, and the transmittance and the sterilization effect of ultraviolet rays are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is an overall bottom perspective view of a flat panel lamp of the present invention;

FIG. 2 is a top perspective view of the flat panel lamp of the present invention;

FIG. 3 is an exploded view of the components of the flat panel lamp of the present invention;

FIG. 4 is a schematic view of the internal cross-section of a flat panel lamp according to the present invention;

FIG. 5 is a schematic view of the cleaning head of the present invention installed in a bezel;

FIG. 6 is a schematic view of a cleaning head and linear motion assembly installation of the present invention;

FIG. 7 is a schematic view of the cleaning head of the present invention being moved downward by a diagonal rod;

FIG. 8 is a schematic view of a mounting plate of the present invention;

FIG. 9 is a schematic view of a portion of a cleaning head according to the present invention;

FIG. 10 is a perspective view of an insert holder of the present invention;

reference numerals in the drawings represent respectively: 10. a lamp frame; 11. a partition plate; 12. a receiving chamber; 20. a lamp housing; 30. a light-diffusing plate; 31. a first notch; 40. an LED light source body; 50. an ultraviolet germicidal lamp; 51. a lamp housing; 52. high-permeability glass; 53. deep ultraviolet LED lamp beads; 54. a heat sink; 60. a mounting plate; 61. a second notch; 62. a guide groove; 63. a limiting plate; 64. a chute; 70. cleaning the head; 71. a U-shaped bracket; 711. a rectangular hole; 72. a cleaning plate; 721. a clamping groove; 73. cleaning cotton; 74. a spring post; 75. a slide block; 80. a plug-in rack; 81. a rod; 82. a connection part; 83. a diagonal rod; 90. a direct-acting assembly; 91. a roller screw pair; 911. a moving pair; 92. a motor; 93. a limit switch; 94. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention is further described below with reference to examples.

Examples:

the invention provides an ultraviolet sterilization flat lamp, referring to figures 1-10, comprising a lamp frame 10, a lamp housing 5120 and a light diffusion plate 30 which are fixed on two sides of the lamp frame 10, wherein an accommodating cavity 12 is formed in the lamp frame 10, the inner side of the accommodating cavity 12 is divided into two areas, an LED light source body 40 is arranged in one area, and an ultraviolet sterilization lamp 50 is arranged in the other area; compared with the sterilizing flat lamp in the prior art, the LED lamp beads and the UVC lamp beads are arranged in the lamp body in a staggered mode to achieve the functions of illumination and sterilization, the ultraviolet light transmittance of the UVC lamp beads is low, and the luminous surface is clean and inconvenient. The LED light source body 40 and the ultraviolet germicidal lamp 50 are independently separated from each other in the left and right directions on the same lamp body, so that the ultraviolet germicidal lamp 50 is conveniently provided with an automatic cleaning component. 2. The product still maintains the display appearance of a flat lamp body as far as possible on the partition design of the LED light source body 40 and the ultraviolet sterilizing lamp 50, and keeps the appearance of the product smooth and beautiful.

The following will describe the structural design of the germicidal lamp in a preferred embodiment:

a first notch 31 adapted to the ultraviolet germicidal lamp 50 is formed in the light diffusion plate 30 in one side area of the ultraviolet germicidal lamp 50, so that the ultraviolet germicidal lamp 50 can radiate without shielding, and the light transmittance is ensured. An automatic cleaning component is arranged at the first notch 31 and is used for cleaning the light emergent surface of the ultraviolet germicidal lamp 50; the cleaning assembly at least comprises a cleaning head 70 and a linear motion assembly 90, wherein a wiper of the cleaning head 70 is attached to the light emitting surface of the ultraviolet sterilizing lamp 50, and the linear motion assembly 90 drags the cleaning head 70 to reciprocate.

The cleaning component can automatically clean the light-emitting surface of the external sterilizing lamp, and can ensure the ultraviolet lamp to be clean in surface when the ultraviolet sterilizing flat lamp is used, so that the transmittance and sterilizing effect of ultraviolet rays are ensured.

Specifically, in the design of realizing the LED light source body 40 and the ultraviolet germicidal lamp 50 in a partitioned manner, the partition 11 is welded at the inner side of the lamp frame 10, the partition 11 separates the accommodating cavity 12 into a left area and a right area, a gap is reserved between the partition 11 and the inner wall of the lamp frame 10 for placing the light-diffusing plate 30, and the product still adopts the same light-diffusing plate 30 in the two areas, so that the product aims at ensuring the integrity and the aesthetic degree of the lamp body under natural light. In this embodiment, the area of the LED light source body 40 is designed to be larger than the area of the uv germicidal lamp 50 by a space ratio of about 3 times, however, in order to prevent the LED light from penetrating to one side of the uv germicidal lamp 50 through the gap when the LED light source body 40 is used as illumination, the light efficiency of the light emitting surface is poor, and a black light blocking sheet is attached to the partition 11.

The gap between the ultraviolet germicidal lamp 50 in this embodiment is built in the notch, the ultraviolet germicidal lamp 50 includes a lamp housing 5120, high-transmittance glass 52 and deep ultraviolet LED lamp beads 53, the deep ultraviolet LED lamp beads 53 are uniformly distributed in the lamp housing 5120, in this example, the deep ultraviolet LED lamp beads 53 adopt UVC-LED lamp cores with wavelength of 265nm, the ultraviolet germicidal lamp has stronger sterilization and disinfection capability, the high-transmittance glass 52 is packaged at the front side of the lamp housing 5120, in this embodiment, the high-transmittance glass 52 adopts quartz glass, in order to ensure the heat dissipation of the deep ultraviolet LED lamp beads 53, through fixing the heat dissipation fins 54 at the back of the lamp housing 5120, the heat dissipation holes corresponding to the heat dissipation fins 54 are correspondingly arranged on the lamp housing 5120.

In addition, in order to facilitate the installation and fixation of the cleaning head 70 and the direct-acting assembly 90 in the lamp frame 10, a mounting plate 60 fixedly connected with the partition 11 is provided, the mounting plate 60 is an integrally formed L-shaped plastic plate body, a second notch 61 in overlapping communication with the first notch 31 is provided on the mounting plate 60, and the function of the second notch 61 is consistent with that of the first notch 31. The cleaning head 70 is disposed at one end of the ultraviolet germicidal lamp 50, and is also disposed at the first notch 31 in a gap, the cleaning head 70 and the ultraviolet germicidal lamp 50 can just fill the first notch 31, wherein the bottom surface of the cleaning head 70 and the bottom surface of the ultraviolet germicidal lamp 50 are coplanar with the bottom surface of the light-diffusing plate 30, so that the light-emitting surface of the flat lamp is smooth and beautiful.

The bottom surface of the cleaning head 70 is coplanar with the bottom surface of the ultraviolet germicidal lamp 50, and the cleaning head 70 cannot clean the light-emitting surface of the ultraviolet germicidal lamp 50, so that the cleaning head 70 is moved downwards to enable the wiping piece to be positioned at the lower side of the light-emitting surface of the ultraviolet germicidal lamp 50, and then the wiping piece is dragged and translated by the direct-acting component 90 to finish wiping cleaning operation. The following is a specific structural design detail:

the cleaning head 70 mainly includes a U-shaped bracket 71 and a cleaning plate 72, the cleaning plate 72 is detachably fixed at the bottom of the U-shaped bracket 71, cleaning cotton 73 is fixed on the cleaning plate 72, the inner side of the U-shaped bracket 71 is in clearance fit with the bottom of the ultraviolet germicidal lamp 50, the U-shaped bracket 71 is arranged in the first notch 31 in a clearance manner, and two sides of the U-shaped bracket are connected with the mounting plate 60 through elastic telescopic members. In this embodiment, the elastic telescopic members are preferably spring columns 74, the plurality of spring columns 74 are vertically and symmetrically arranged on two sides of the U-shaped support 71, the spring columns 74 are hardware with external threads, the fitting screw holes are formed in the U-shaped support 71 during installation, the threads are screwed into the appropriate depth, the design of the spring columns 74 provides a motion foundation for downward movement of the U-shaped support 71, when downward force is applied to the U-shaped support 71, the spring columns 74 are compressed and contracted, the U-shaped support 71 integrally moves downward, so that the cleaning plate 72 and the flexible cleaning cotton 73 thereon are located on the lower side of the ultraviolet germicidal lamp 50, and when the following direct-acting assembly 90 moves subsequently, the cleaning cotton 73 can wipe and clean the light emitting surface of the ultraviolet germicidal lamp 50.

The mounting plate 60 is provided with a guide groove 62, the bottom of a spring column 74 is slidably arranged in the guide groove 62, a limiting plate 63 is fixed on the upper side of the mounting plate 60, one side of a U-shaped bracket 71 is arranged between the limiting plate 63 and the mounting plate 60, a sliding groove 64 is formed in the limiting plate 63, a sliding block 75 matched with the sliding groove 64 is fixed on the U-shaped bracket 71, wherein the limiting plate 63 is used for limiting and keeping the U-shaped bracket 71, only one degree of freedom is moved along the sliding groove 64, when the top surface of the U-shaped bracket 71 is tightly attached to the limiting plate 63, the spring column 74 is in a natural state, and the bottom surface of the cleaning plate 72 is coplanar with the bottom surface of the ultraviolet germicidal lamp 50; the guide groove 62 and the bottom of the spring post 74 are matched, and the sliding groove 64 and the sliding block 75 are matched, so that the subsequent U-shaped bracket 71 is smooth and stable in the process of following the movement of the direct-acting assembly 90.

In addition, in this embodiment, the cleaning plate 72 is preferably magnetically adsorbed and fixed at the bottom of the U-shaped bracket 71, the cleaning plate 72 and the U-shaped bracket 71 are made of stainless steel, the permanent magnet is embedded and fixed on the joint surface of the cleaning plate 72 and the U-shaped bracket 71, the U-shaped bracket 71 is provided with a rectangular hole 711 through which the cleaning cotton 73 passes, and the cleaning plate 72 is symmetrically provided with clamping grooves 721. After the cleaning cotton 73 is used for multiple times, the cleaning capability of the cleaning cotton is obviously reduced, the design of the clamping groove 721 can facilitate a user to use a long clamp, the cleaning cotton is similar to a tool of a pair of fire tongs, the cleaning cotton 73 does not need to climb up, and the cleaning board 72 and the cleaning cotton 73 can be taken down for cleaning and then are installed back, so that the operation is very convenient.

How to efficiently realize the pressing of the U-shaped bracket 71 with a downward force, the structure of the present embodiment is designed as follows: through be fixed with on the revolute pair 911 of direct acting module 90 and insert the frame 80, insert the frame 80 and include connecting portion 82 and fix at connecting portion 82 both ends inserted bar 81, inserted bar 81 distributes and sets up in the U type support 71 outside in the direction of movement of direct acting module 90, and be fixed with the diagonal bar 83 that inwards inclines to set up on the inserted bar 81 of keeping away from ultraviolet germicidal lamp 50 one side, when revolute pair 911 moves towards one side, when the inclined plane of diagonal bar 83 continuously contacted U type support 71, diagonal bar 83 was forward and extrudeed U type support 71 downwards, spring post 74 is compressed and is out of shape shrink, realize that U type support 71 moves down along the notch.

In addition, the direct-acting assembly 90 mainly adopts a roller screw pair 91 and a stepping motor 92, and is connected to a power output terminal of the LED light source body 40, in this example, a small roller screw pair 91 with a shaft diameter of 6 is adopted, and a small stepping motor 92 with a shaft diameter of 38 is adopted, two sides of the roller screw pair 91 are fixed on the mounting plate 60 through shaft seats, and the ends are linked with the motor 92, and limit switches 93 are arranged at two ends of the ultraviolet germicidal lamp 50, wherein the limit switches 93 are used for limiting displacement of the moving pair 911, and the stepping motor 92, a controller 94 thereof and the limit switches 93 are conventional operations of those skilled in the art, and are not repeated herein.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. An ultraviolet sterilization flat lamp comprises a lamp frame, a lamp shell and a light diffusion plate which are fixed on two sides of the lamp frame, wherein a containing cavity is formed in the lamp frame,

the inner side of the accommodating cavity is divided into two areas, wherein an LED light source body is arranged in one area, and an ultraviolet sterilizing lamp is arranged in the other area;

the light diffusion plate is provided with a first notch adapted to the ultraviolet sterilizing lamp, an automatic cleaning component is arranged at the ultraviolet sterilizing lamp, and the automatic cleaning component is used for cleaning the light emitting surface of the ultraviolet sterilizing lamp;

2. The ultraviolet sterilization flat lamp according to claim 1, wherein a partition plate is welded on the inner side of the lamp frame, the partition plate divides the accommodating cavity into a left area and a right area, and a gap is reserved between the partition plate and the inner wall of the lamp frame for placing the light diffusion plate.

3. The ultraviolet sterilization flat lamp according to claim 1, wherein the ultraviolet sterilization lamp gap is built in the first notch, the ultraviolet sterilization lamp comprises a lamp housing, high-transmittance glass and deep ultraviolet LED lamp beads, the deep ultraviolet LED lamp beads are uniformly distributed in the lamp housing, the high-transmittance glass is packaged on the front side of the lamp housing, and a radiating fin is fixed on the back of the lamp housing.

4. The ultraviolet germicidal flat panel lamp according to claim 1, wherein the cleaning assembly further comprises a mounting plate for supporting and fixing the cleaning head and the linear motion assembly, and a second notch matching the first notch is formed in the mounting plate.

5. The ultraviolet germicidal flat panel lamp according to claim 4, wherein the cleaning head is disposed at one end of the ultraviolet germicidal lamp and is also disposed in the gap at the first notch, and the bottom surface of the cleaning head and the bottom surface of the ultraviolet germicidal lamp are coplanar with the bottom surface of the diffusion plate.

6. The ultraviolet sterilization flat lamp according to claim 5, wherein the cleaning head comprises a U-shaped bracket and a cleaning plate, the cleaning plate is detachably fixed at the bottom of the U-shaped bracket, cleaning cotton is fixed on the cleaning plate, the inner side of the U-shaped bracket is in clearance fit with the bottom of the ultraviolet sterilization lamp, the clearance of the U-shaped bracket is arranged in the first notch, and two sides of the U-shaped bracket are connected with the mounting plate through elastic telescopic pieces.

7. The ultraviolet sterilization flat lamp according to claim 6, wherein the elastic telescopic piece is a spring column, a plurality of spring columns are vertically and symmetrically arranged on two sides of the U-shaped support, a guide groove is formed in the mounting plate, the bottom of the spring column is slidably arranged in the guide groove, a limiting plate is fixed on the upper side of the mounting plate, one side of the U-shaped support is arranged between the limiting plate and the mounting plate, a sliding groove is formed in the limiting plate, and a sliding block matched with the sliding groove is fixed on the U-shaped support.

8. The ultraviolet sterilization flat lamp according to claim 7, wherein the cleaning plate is fixed at the bottom of the U-shaped bracket by magnetic adsorption, the U-shaped bracket is provided with rectangular holes for cleaning cotton to pass through, and clamping grooves are symmetrically formed in the cleaning plate.

9. The ultraviolet sterilization flat lamp according to claim 8, wherein an inserting frame is fixed on the moving pair of the direct-acting assembly, the inserting frame comprises a connecting part and inserting rods fixed at two ends of the connecting part, the inserting rods are distributed and arranged on the outer side of the U-shaped support in the moving direction of the direct-acting assembly, inclined rods which are obliquely arranged inwards are fixed on the inserting rods far away from one side of the ultraviolet sterilization flat lamp, and when the inclined surfaces of the inclined rods contact the U-shaped support, the spring columns are pressed and deformed, and the U-shaped support moves downwards along the first notch.

10. The ultraviolet sterilization flat lamp according to claim 9, wherein the direct-acting assembly comprises a roller screw pair and a motor, two sides of the roller screw pair are fixed on the mounting plate through shaft seats, the end parts are linked with the motor, limit switches are arranged at two end parts of the ultraviolet sterilization lamp, and the limit switches are used for limiting displacement of the moving pair.