CN215208587U

CN215208587U - Deep ultraviolet LED static water sterilization device

Info

Publication number: CN215208587U
Application number: CN202121173311.XU
Authority: CN
Inventors: 苗延镇; 亓培剑
Original assignee: Ningbo Anxinmei Semiconductor Co ltd
Current assignee: Ningbo Anxinmei Semiconductor Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-17
Anticipated expiration: 2031-05-28

Abstract

A deep ultraviolet LED static water sterilization device comprises a circuit unit provided with a light source and a shell used for accommodating the circuit unit, wherein the light source is used for emitting deep ultraviolet rays for sterilization; the shell consists of a mounting seat and a cover body which are detachably connected, and the deep ultraviolet rays emitted by the light source are transmitted to the outside of the shell through a reserved structure on the mounting seat or the cover body; and the mounting seat is also provided with a butt joint part which is detachably connected with the application environment. Through the utility model provides a static water sterilizing equipment of deep ultraviolet LED can be with launching the light source fixed mounting of deep ultraviolet to the application environment, and mount pad and the detachable cooperation of lid have also made things convenient for circuit unit to replace when the circuit unit trouble of constituteing by the drive circuit board of light source and light source to carry out cyclic utilization to the casing.

Description

Deep ultraviolet LED static water sterilization device

Technical Field

The utility model relates to a disinfection field especially relates to a static water sterilizing equipment of dark ultraviolet LED.

Background

The disinfection and cleaning industry has a considerable position in guaranteeing the life and health of people. Compared with chemical sterilization and disinfection, the ultraviolet ray has the advantages of high sterilization efficiency, inactivation generally completed within a few seconds, and no other chemical pollutants.

At present, most of deep ultraviolet light sources applied to disinfection and sterilization in the civil and industrial fields are mercury lamps. Due to the significant impact of mercury on human society and the environment, conventional mercury lamps are gradually coming out of the market. Developing a brand-new environment-friendly and efficient ultraviolet light source becomes an important challenge in front of people. Deep ultraviolet LEDs based on gallium nitride wide bandgap semiconductor materials have become the second choice for this new application.

In daily life, a water dispenser, a coffee machine, a humidifier and the like become indispensable objects in people's life, water storage devices for storing water are arranged in the water dispenser, due to the fact that the water storage devices lack sterilization functions, static water stored in the water storage devices is in contact with air which is not sterilized, a large number of bacteria are easy to breed, and after drinking water containing a large number of pathogenic bacteria enters a human body, the health of the human body is greatly threatened.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that the water storage device in the prior art lacks the sterilization function, the utility model provides a deep ultraviolet LED static water sterilization device.

The utility model adopts the following technical scheme:

a deep ultraviolet LED static water sterilization device comprises a circuit unit and a shell for accommodating the circuit unit, wherein a light source for emitting deep ultraviolet rays for sterilization is arranged on the circuit unit;

a focusing part and a waterproof light-transmitting part are sequentially arranged in the shell in the propagation direction of light emitted by the light source; the waterproof light-transmitting part is used for matching with the shell to carry out waterproof sealing on the circuit unit; the deep ultraviolet rays emitted by the light source are converged by the focusing part and then transmitted out through the waterproof light-transmitting part and the shell.

Preferably, the housing is composed of a mounting seat and a cover body which are detachably connected, and the deep ultraviolet rays emitted by the light source are transmitted to the outside of the housing through a reserved structure on the mounting seat or the cover body; and the mounting seat is also provided with a butt joint part which is detachably connected with the application environment.

Preferably, the cover body is in threaded fit with the mounting seat; the mounting seat is also provided with a thread structure used for being connected with an application environment.

Preferably, the waterproof and light-transmitting part comprises light-transmitting glass and a sealing ring; the light-transmitting glass is positioned on a transmission path of light emitted by the light source, the sealing ring is arranged between the light-transmitting glass and the shell, and the sealing ring is used for connecting the light-transmitting glass with the inner wall of the shell in a sealing manner.

Preferably, the focusing part adopts a reflecting cup.

Preferably, the focusing device further comprises a support part disposed in the housing, and the circuit unit and the focusing part are disposed on the support part.

Preferably, the supporting part is provided with a cavity for accommodating an electronic element on the back of the circuit unit; the back of the circuit unit is a surface deviating from the light source.

Preferably, the supporting part is of a cylindrical structure.

Preferably, the supporting part abuts against the cover body, and the supporting part and the cover body both adopt metal structures; the mounting seat is made of waterproof materials.

Preferably, the supporting part and the cover body are metal aluminum parts, and the mounting seat is a plastic part.

The utility model has the advantages that:

(1) the deep ultraviolet with the wave band of 260-280 nm can penetrate through cell membranes and cell nucleuses of organisms, destroy molecular structures of DNA and RNA, and kill various germs such as bacterial propagules, spores, viruses, fungi and the like in a short time, and the sterilization rate is as high as 99.9%. The ultraviolet sterilization does not need to add any chemical agent. It directly kills bacteria or destroys the reproductive capacity of bacteria by short wave radiation, has no pollution and residue, and does not cause secondary pollution to the surrounding environment. The ultraviolet ray disinfection and sterilization is fast and the effect is good. Under certain radiation intensity, generally pathogenic microorganisms can be killed in only ten seconds, and some germs which can not be killed by chlorine disinfection can be killed.

Through the utility model provides a static water sterilizing equipment of deep ultraviolet LED can be with launching the light source fixed mounting of deep ultraviolet to the application environment, and mount pad and the detachable cooperation of lid have also made things convenient for circuit unit to replace when the circuit unit trouble of constituteing by the drive circuit board of light source and light source to carry out cyclic utilization to the casing.

(2) The waterproof light-transmitting part is used for being matched with the shell to carry out waterproof sealing on the circuit unit, so that the circuit unit is prevented from being damaged by static water which is soaked into the shell when the sterilizing device is applied.

(3) The deep ultraviolet rays emitted by the light source are converged by the focusing part and then transmitted out through the waterproof light-transmitting part and the shell, so that the application environment is sterilized. The setting of focusing part, the light-emitting angle behind the focusing part of the deep ultraviolet of adjustable light source transmission to improve the utilization ratio to the deep ultraviolet, improve bactericidal effect. And the focusing part is positioned between the circuit unit and the transparent glass, so that the focusing function is prevented from being influenced after the focusing part is wetted.

(4) So as to fix the circuit unit in the housing through the support portion and to ensure the relative positions of the focusing portion and the light source to be stationary.

(5) The supporting part and the cover body are both of metal structures such as metal aluminum pieces so as to dissipate heat, thereby reducing the risk of high-temperature work of the circuit unit and ensuring the service life of the whole device. The utility model discloses in, a large amount of heat energy that circuit unit produced pass through the supporting part and transmit for the lid, again by the leading-in air of lid, can ensure circuit unit's operating temperature <45 ℃ to guarantee that the life-span 10000H optical dimension rate of light source > 70%.

(6) The flange in the middle of the mounting seat can adopt a polygonal structure such as a hexagon and the like, so that when the device is assembled and disassembled in an application environment, a wrench can be conveniently used for operation, and time and labor are saved.

Drawings

FIG. 1 is an exploded view of a deep ultraviolet LED static water disinfection apparatus;

FIG. 2 is a cross-sectional view of a deep ultraviolet LED static water disinfection device.

The figure is as follows: 11. a mounting seat; 12. a cover body; 2. a circuit unit; 21. a light source; 3. a focusing section; 41. a seal ring; 42. a light-transmitting glass; 5. a support portion.

Detailed Description

The deep ultraviolet LED static water sterilization device provided by the embodiment comprises a circuit unit 2 provided with a light source and a shell used for accommodating the circuit unit 2, wherein the light source is used for emitting deep ultraviolet rays for sterilization.

The shell is composed of a mounting seat 11 and a cover body 12 which are detachably connected. The deep ultraviolet rays emitted by the light source are transmitted to the outside of the shell through a reserved structure on the mounting seat 11 or the cover body 12 so as to sterilize the external environment of the shell. The mounting base 11 is further provided with a butt joint part detachably connected with the application environment, so that the sterilization device can be fixedly mounted. The application environment is a static water holding container.

Specifically, the circuit unit 2 is composed of a light source and a driving circuit board of the light source 21.

In the present embodiment, the circuit unit 2 is protected by the case, and the sterilization device is fixedly installed in an application environment. Meanwhile, in the present embodiment, the mounting seat 11 and the cover 12 are detachably engaged, which also facilitates replacement of the circuit unit 2 when the circuit unit 2 fails, thereby recycling the housing.

When the sterilization device is used, the light emitted from the light source 21 is transmitted into the static water through the housing via the mounting seat 11 or the preformed structure on the cover 12, so as to sterilize the static water. That is, in the case of application of the sterilization apparatus, the light source 21 is located on the side of the circuit unit 2 facing the static water. In the present embodiment, the focusing portion and the waterproof light-transmitting portion are provided in this order in the propagation direction of the light emitted from the light source 21 inside the housing. The waterproof light-transmitting part is used for matching with the shell to carry out waterproof sealing on the circuit unit 2, so that when the sterilizing device is applied, static water is immersed into the shell to damage the circuit unit 2. The deep ultraviolet rays emitted by the light source are converged by the focusing part and then transmitted out through the waterproof light-transmitting part and the shell, so that the application environment is sterilized. Specifically, the setting of the focusing part 3 can adjust the light-emitting angle of the deep ultraviolet rays emitted by the light source 21 after passing through the focusing part 3, thereby improving the utilization rate of the deep ultraviolet rays and improving the sterilization effect. Specifically, the focusing part 3 adopts a reflective cup, specifically a reflective cup with a light-emitting angle of 120 degrees.

In the present embodiment, the waterproof and translucent portion includes a translucent glass 42 and a seal 41. The transparent glass 42 is located on the propagation path of the light emitted from the light source 21, the sealing ring 41 is disposed between the transparent glass 42 and the housing, and the sealing ring 41 is used to connect the transparent glass 42 to the inner wall of the housing in a sealing manner, so as to prevent the water from entering the space where the circuit unit 2 is located. Specifically, in the present embodiment, the seal ring 41 is sandwiched between the light transmitting glass 42 and the inner wall of the mount 11. And the focusing part 3 is positioned between the circuit unit 2 and the transparent glass 42, so that the focusing function is prevented from being influenced after the focusing part 3 is wetted. Specifically, the light-transmitting glass 42 is sapphire glass.

The sterilization apparatus in this embodiment further includes a support portion 5, the support portion 5 is disposed in the housing, and the circuit unit 2 and the focusing portion 3 are both disposed on the support portion 5, so as to fix the circuit unit 2 in the housing through the support portion 5 and ensure the relative positions of the focusing portion 3 and the light source 21 to be stationary.

A cavity for accommodating electronic elements on the back of the circuit unit 2 is arranged on the supporting part 5, so that the circuit unit 2 can be conveniently arranged; the back of the circuit unit 2 is a surface facing away from the light source 21.

Specifically, in the present embodiment, the supporting portion 5 is a cylindrical structure, the circuit board of the circuit unit 2 circumferentially abuts against the supporting portion 5, and the electronic component and the cable on the back of the circuit unit 2 are located in the cylindrical structure. And, a reflective cup as the focusing part 3 may be buckled on the supporting part 5 so that the reflective cup is matched with the light source 21.

In this embodiment, the supporting portion 5 abuts against the cover 12 and extends into the mounting seat 11, and the focusing portion, the supporting portion 5 and the cover 12 are all made of metal structure such as metal aluminum for heat dissipation. Meanwhile, due to the application of the supporting portion 5 of the cylindrical structure, the circuit unit 2 may further be connected with a cable which passes through the cover 12 and is introduced through the inner circumference of the supporting portion 5, so as to realize the connection of the circuit unit 2 with an electrical device outside the housing, and simultaneously realize the isolation of the cable from static water in the application environment.

In this embodiment, the cover 12 is located on the back of the circuit unit 2, so that the light emitted from the light source 21 passes through the focusing unit 3 and the waterproof and light-transmitting portion and then is transmitted to the outside of the housing through the reserved structure on the mounting base 11, that is, the mounting base 11 is located on the side facing the static water in the application environment and even immersed in the static water. Therefore, the mounting seat 11 is made of a waterproof material such as a plastic material, and the mounting seat may be further preferably made of polypropylene.

In the present embodiment, the cover 12 is screwed to the mounting base 11; the mounting base 11 is further provided with a thread structure for connecting with an application environment. Specifically, in this embodiment, the mounting base 11 is of a cylindrical structure with two ends in communication, that is, a reserved structure as a light channel is formed in the middle of the mounting base 11 and extends along the axial direction and penetrates through the two ends, so that the emitted light of the light source 21 can be transmitted; the light source 21, the focusing part 3 and the light-transmitting glass 42 are all positioned on the light channel. Meanwhile, the middle part of the mounting seat 11 is provided with a flange, the two ends of the mounting seat are provided with external threads, the external threads at one end are used for being matched with the internal threads on the cover body 12, the external threads at the other end are used for realizing threaded connection with an application environment, namely, the butt joint part is realized to be an external thread structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The deep ultraviolet LED static water sterilization device is characterized by comprising a circuit unit (2) and a shell for accommodating the circuit unit (2), wherein a light source (21) for emitting deep ultraviolet rays for sterilization is arranged on the circuit unit (2);

a focusing part and a waterproof light-transmitting part are sequentially arranged in the shell in the transmission direction of the light emitted by the light source (21); the waterproof light-transmitting part is used for matching with the shell to carry out waterproof sealing on the circuit unit (2); the deep ultraviolet rays emitted by the light source (21) are converged by the focusing part and then are transmitted out through the waterproof light-transmitting part and the shell.

2. The deep ultraviolet LED static water sterilization device according to claim 1, characterized in that the housing is composed of a mounting base (11) and a cover body (12) which are detachably connected, and the deep ultraviolet rays emitted by the light source are transmitted to the outside of the housing through a reserved structure on the mounting base (11) or the cover body (12); the mounting seat (11) is also provided with a butt joint part which is detachably connected with an application environment.

3. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 2, characterized in that the cover (12) is screw-fitted with the mounting seat (11); the mounting seat (11) is also provided with a thread structure used for being connected with an application environment.

4. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 1, wherein said waterproof, light-transmissive portion comprises a light-transmissive glass (42) and a sealing ring (41); the light-transmitting glass (42) is positioned on a transmission path of light emitted by the light source (21), the sealing ring (41) is arranged between the light-transmitting glass (42) and the shell, and the sealing ring (41) is used for connecting the light-transmitting glass (42) with the inner wall of the shell in a sealing manner.

5. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 1, characterized in that said focusing part (3) employs a reflector cup.

6. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 2, further comprising a support (5), said support (5) being arranged within the housing, said circuit unit (2) and focusing part (3) being arranged on the support (5).

7. The deep ultraviolet LED static water sterilization device according to claim 6, characterized in that the supporting portion (5) is provided with a cavity for accommodating electronic components on the back of the circuit unit (2); the back surface of the circuit unit (2) is a surface deviating from the light source (21).

8. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 7, characterized in that said support (5) is of a cylindrical construction.

9. The deep ultraviolet LED static water sterilization device according to claim 8, characterized in that the support portion (5) abuts against the cover body (12), and both the support portion (5) and the cover body (12) are of metal structure; the mounting seat (11) is made of waterproof materials.

10. The deep ultraviolet LED static water disinfection apparatus as claimed in claim 9, wherein the support portion (5) and the cover (12) are metallic aluminum members, and the mounting seat (11) is a plastic member.