CN215479880U

CN215479880U - Ultraviolet sterilization module

Info

Publication number: CN215479880U
Application number: CN202121369342.2U
Authority: CN
Inventors: 李文涛; 刘可可
Original assignee: Qingdao Fluorescent Innovation Technology Co Ltd
Current assignee: Qingdao Fluorescent Innovation Technology Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-01-11
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an ultraviolet sterilization module, and belongs to the technical field of static water sterilization. The ultraviolet sterilization module is arranged in a through hole of a water tank and comprises a support, a light-transmitting part, a bottom cover, a sterilization part and a fixing nut; the support comprises a light hole and a double-sided positioning part, the light hole is positioned in the middle of the upper part of the support, threads are arranged inside and outside the double-sided positioning part, internal threads of the double-sided positioning part are matched with external threads of the bottom cover, and external threads of the double-sided positioning part are matched with internal threads of the fixing nut; the bottom cover is connected with the lower part of the bracket, the sterilization part is arranged in the bottom cover by the bottom cover, the bottom cover comprises an extension part, and the light transmission part is propped against the upper part of the bracket by the top surface of the extension part; the light of sterilization portion jets out through the printing opacity portion, and the sterilization portion includes PCB board and light source, and the light source is UV-LED, and the PCB board is the light source power supply. The UV-LED has good sterilization effect, low power consumption, small volume and good fixation of the light transmission part. The double-sided positioning part can realize the fixation of the fixing nut and the bottom cover respectively, and the interference is avoided.

Description

Ultraviolet sterilization module

Technical Field

The utility model relates to the technical field of static water sterilization, in particular to an ultraviolet sterilization module.

Background

Along with the improvement of living standard of people, the requirement of people on the quality of drinking water is higher and higher, common water after filtration and purification or barreled water matched with a drinking machine appearing in the market can ensure the daily safe drinking of people, however, in the actual life, purified direct drinking water can not be drunk in time and is stored in a water tank or a bucket, and the direct drinking water can be invaded by bacteria more easily in stagnation or storage.

Some components for static water sterilization exist in the market at present, but the components are inconvenient to install and need to be repeatedly disassembled and assembled when being replaced or updated; or the number of components is large, and the stability and the sealing performance cannot be completely guaranteed. The existing water sterilization components cannot realize the respective installation and disassembly of parts and must be integrally disassembled; certain defects exist in the process of fixing the sterilization component, and the sterilization component cannot be effectively fixed and prevented from being damaged.

In view of the above, it is desirable to provide an ultraviolet sterilization module with a detachable seal, a small number of parts, and high stability, which is suitable for static water sterilization. Meanwhile, the water tank needs to be replaced when in use, if the water tank is connected by a power supply, the replacement is inconvenient, and even the water tank or the sterilization module is easily damaged, so that the portable sterilization water tank needs to be provided.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to overcome the defects of inconvenient disassembly and assembly, excessive parts and inconvenient water tank installation in the prior art, and provides an ultraviolet sterilization module which comprises a bracket, a light-transmitting part, a bottom cover, a sterilization part and a fixing nut; the support comprises a light hole and a double-sided positioning part, the light hole is positioned in the middle of the upper part of the support and is circular, threads are arranged inside and outside the double-sided positioning part, the internal threads of the double-sided positioning part are matched with the external threads of the bottom cover, and the external threads of the double-sided positioning part are matched with the internal threads of the fixing nut; the bottom cover is connected with the lower part of the bracket, the sterilization part is arranged in the bottom cover by the bottom cover, the bottom cover comprises an extension part, and the light transmission part is propped against the upper part of the bracket by the top surface of the extension part; the light of sterilization portion jets out through the printing opacity portion, and the sterilization portion includes PCB board and light source, and the light source is UV-LED, and the PCB board is the light source power supply. The UV-LED technology has good effect of sterilizing water, and has low power consumption, small volume and good fixation of the light transmission part. The double-sided positioning part can realize the fixation of the fixing nut and the bottom cover respectively, and the interference is avoided.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the ultraviolet sterilization module is arranged in a through hole of a water tank and comprises a support, a light-transmitting part, a bottom cover, a sterilization part and a fixing nut;

the support comprises a light hole and a double-sided positioning part, the light hole is positioned in the middle of the upper part of the support and is circular, threads are arranged inside and outside the double-sided positioning part, the internal threads of the double-sided positioning part are matched with the external threads of the bottom cover, and the external threads of the double-sided positioning part are matched with the internal threads of the fixing nut;

the bottom cover is connected with the lower part of the bracket, the sterilization part is arranged in the bottom cover by the bottom cover, the bottom cover comprises an extension part, and the light transmission part is propped against the upper part of the bracket by the top surface of the extension part;

the light of sterilization portion jets out through the printing opacity portion, and the sterilization portion includes PCB board and light source, and the light source is UV-LED, and the PCB board is the light source power supply.

The UV-LED technology has good effect of sterilizing water, and has low power consumption, small volume and good fixation of the light transmission part. The double-sided positioning part can realize the fixation of the fixing nut and the bottom cover respectively, and the interference is avoided.

As a further improvement of the utility model, the bracket also comprises an astigmatism table, the astigmatism table is arranged at the edge of the light hole, and the plane extension line of the astigmatism table is intersected with the light source of the sterilization part. The astigmatism platform is convenient for let the bactericidal light scattering.

As a further improvement of the present invention, the support further includes an inward extending portion, an annular inward extending portion extending downward is disposed at an edge of the light transmitting hole, an annular lens sealing groove is formed between the inward extending portion and a side wall surface of the support, the lens sealing groove is used for disposing a lens sealing ring, and the lens sealing ring is located between the support and the light transmitting portion. The lens sealing ring ensures the sealing of the light transmission part.

As a further improvement of the utility model, the edge of the top of the bracket is provided with a mounting seat, the mounting seat is an arched sunken surface on one side of the circular top surface of the top of the bracket, and a vertical plane is formed between the mounting seat and the top surface of the bracket. The mounting seat is convenient for mounting and dismounting the bracket.

As a further improvement of the utility model, 2 mounting seats are arranged and are oppositely arranged on the bracket. A plurality of oppositely arranged mounting seats may also be provided.

As a further improvement of the utility model, a sealing gasket is arranged between the lower bottom surface of the mounting seat and the wall surface of the water tank, and the sealing gasket is an annular sealing gasket.

As a further improvement of the utility model, the bottom cover is formed by overlapping two cylinders, and the diameter of the upper cylinder is smaller than that of the lower cylinder; a mounting hole is formed in the lower cylinder of the bottom cover and used for mounting a screw, and the screw is used for mounting the sterilization part in the bottom cover; the bottom of the bottom cover is provided with a wire hole for the wire to pass through.

As a further improvement of the utility model, the mounting hole is arranged on a step surface which is used for the sterilization part to abut against when being mounted; and/or the bottom surface of the bottom cover is provided with counter bores which are corrugated; and/or the outer wall surface of the bottom cover is horizontally provided with a sealing groove, the sealing groove is used for arranging a bottom cover sealing ring, and the bottom cover sealing ring is positioned between the bottom cover and the support.

As a further improvement of the utility model, the fixing nut comprises a mounting table and a fixing part;

the mounting table is an annular surface, and the upper surface of the mounting table is in contact with the wall surface of the water tank;

the fixing parts are distributed along the side surface of the fixing nut, and the fixing parts are a plane.

The fixing part is convenient for mounting and dismounting the fixing nut.

As a further improvement of the utility model, a plurality of fixing parts are arranged, and the fixing parts are distributed at equal intervals along the side surface of the fixing nut.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the ultraviolet sterilization module is arranged in a through hole of a water tank and comprises a support, a light-transmitting part, a bottom cover, a sterilization part and a fixing nut; the support comprises a light hole and a double-sided positioning part, the light hole is positioned in the middle of the upper part of the support and is circular, threads are arranged inside and outside the double-sided positioning part, the internal threads of the double-sided positioning part are matched with the external threads of the bottom cover, and the external threads of the double-sided positioning part are matched with the internal threads of the fixing nut; the bottom cover is connected with the lower part of the bracket, the sterilization part is arranged in the bottom cover by the bottom cover, the bottom cover comprises an extension part, and the light transmission part is propped against the upper part of the bracket by the top surface of the extension part; the light of sterilization portion jets out through the printing opacity portion, and the sterilization portion includes PCB board and light source, and the light source is UV-LED, and the PCB board is the light source power supply. The UV-LED technology has good effect of sterilizing water, and has low power consumption, small volume and good fixation of the light transmission part. The double-sided positioning part can realize the fixation of the fixing nut and the bottom cover respectively, and the interference is avoided. The structure has the advantages of simple parts, small quantity, easy realization of disassembly and assembly, reasonable structural design, simple principle and convenient popularization and use.

Drawings

FIG. 1 is an exploded schematic view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of a bottom cap according to the present invention;

FIG. 5 is a bottom view of the bottom cover of the present invention;

fig. 6 is a perspective view of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a support; 101. a light-transmitting hole; 102. an astigmatism table; 103. an inner extension; 104. a mounting seat; 105. a double-sided positioning part;

200. a light-transmitting portion; 300. a bottom cover sealing ring; 400. a lens seal ring; 500. a gasket;

600. a bottom cover; 601. a wire guide hole; 602. mounting holes; 603. an extension portion; 604. a counter bore;

700. a sterilization part; 701. a light source; 702. a PCB board; 703. positioning holes;

800. fixing a nut; 801. an installation table; 802. a fixed part;

900. and (4) screws.

Detailed Description

For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model. In addition, the terms "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

Referring to fig. 1 and 2, the ultraviolet sterilization module of the present invention includes a bracket 100, a light-transmitting portion 200, a bottom cover 600, a sterilization portion 700, and a fixing nut 800, wherein the bracket 100 is inserted through the light-transmitting portion 200, the bracket 100 is installed in a through hole on a wall surface of a water tank, the sterilization portion 700 is fixed inside the bottom cover 600 and fixed in the light-transmitting portion 200 and the bracket 100 together with the bottom cover 600, and the bracket 100 is fixedly connected to the bottom cover 600 in a manner of screw connection, snap connection, or other common detachable connection.

Referring to fig. 3, the sterilizing part 700 is mounted on the bottom cover 600 by screws 900.

Referring to fig. 3 and 6, the bracket 100 includes a light hole 101, an astigmatism table 102, an inward extending portion 103, a mounting seat 104 and a double-sided positioning portion 105, the bracket 100 is hollow, the upper middle of the bracket 100 is provided with the circular light hole 101, the edge of the light hole 101 is provided with a chamfer, i.e., the astigmatism table 102, preferably, the extension line of the plane of the astigmatism table 102 can intersect with the light source 701 of the sterilization portion 700, the edge of the light hole 101 is provided with the annular inward extending portion 103 extending downwards, and a lens sealing groove is formed between the inward extending portion 103 and the side wall surface of the bracket 100. The lower portion of the bracket 100 is a double-sided positioning portion 105, both the inside and the outside of the double-sided positioning portion 105 are provided with threads, the internal threads of the double-sided positioning portion 105 are engaged with the external threads of the bottom cover 600, and the external threads of the double-sided positioning portion 105 are engaged with the internal threads of the fixing nut 800.

Referring to fig. 6, the top edge of the bracket 100 is provided with a mounting seat 104. Preferably, the mounting block 104 is an arcuate depressed surface of the circular top surface of the top of the bracket 100, and the mounting block 104 and the top surface of the bracket 100 form a vertical plane therebetween. Preferably, the number of the mounting seats 104 is 2, and the mounting seats are arranged oppositely.

Preferably, the mount 104 may be provided in plurality.

Preferably, a gasket 500 is provided between the lower bottom surface of the mounting seat 100 and the wall surface of the tank, and the gasket 500 is preferably a rubber ring-shaped gasket 500.

Referring to fig. 1, 2 and 3, the light-transmitting portion 200 may be made of quartz glass, and has high light transmittance and low cost. Meanwhile, it is worth to be noted that, in order to improve the coverage of the sterilizing light, the light-transmitting portion may be configured in a form similar to a concave lens, that is, the thickness of the middle of the light-transmitting portion 200 is smaller than the thickness of the periphery, and such a configuration can effectively scatter the sterilizing light, so that a larger water tank volume can be covered in a larger water tank.

Referring to fig. 1, 2, 3 and 4, the bottom cover 600 is approximately in the shape of a stack of two cylinders, the upper cylinder having a smaller diameter than the lower cylinder. The lower cylindrical body of the bottom cover 600 is provided inside with mounting holes 602, the mounting holes 602 are used for mounting screws 900, and the screws 900 mount the sterilizing part 700 in the bottom cover 600. Preferably, the mounting hole 602 is formed on a stepped surface, and the stepped surface can be abutted by the sterilization part 700 when being mounted. The bottom of the bottom cover 600 has wire holes 601 through which wires pass. The upper cylinder of the bottom cover 600 is an extension 603, and the top surface of the extension 603 abuts against the light-transmitting part 200 when being mounted.

Referring to fig. 5, the bottom surface of the bottom cap 600 has a counter bore 604, and preferably, the counter bore 604 is corrugated to facilitate the installation and removal of the bottom cap 600 using a tool. It should be noted that other shapes may be adopted as long as the bottom cover 600 can be removed by inserting a tool.

Preferably, the bracket 100 is in contact with water in the tank, so that the bracket 100 is made of a non-toxic material, for example, food grade plastics such as PP, POM, etc.

Preferably, a lens sealing groove is formed in the holder 100, the lens sealing groove is used for installing the lens sealing ring 400, and the lens sealing ring 400 is located between the holder 100 and the light-transmitting portion 200 to form a seal.

Preferably, the bottom cover 600 is horizontally provided with a sealing groove for disposing the bottom cover sealing ring 300, and the bottom cover sealing ring 300 is located between the bottom cover 600 and the bracket 100.

Referring to fig. 1, 2 and 3, the sterilization part 700 includes at least two parts, a PCB 702 and a light source 701, wherein the light source 701 can select ultraviolet light, preferably deep ultraviolet light; preferably, the ultraviolet LED (UVC-LED) can realize high-energy irradiation output, is freely arranged, saves the occupied space of equipment and can realize uniform high-intensity irradiation in an irradiation range. Ultraviolet (UV) is effective in disinfecting water for pathogenic microorganisms such as Cryptosporidium and Giardia, and UV is used for disinfecting water by: submerged and parallel suspension. Wavelength, power, suspension distance, irradiation time, etc. are the main factors affecting the disinfection effect. The mechanism of action is mainly that nucleic acid (DNA) can absorb high-energy ultraviolet radiation, cause adjacent base dislocation, form pyrimidine dimer (pyrimidinedimer), inhibit or block nucleic acid replication and protein expression, and cause apoptosis. The dose of the ultraviolet light is 19mJ/cm²In time, the activation rate of the cryptosporidium can reach 99.99%. The ultraviolet ray is a high energyLight waves of such a magnitude that cannot be recognized by the naked eye, which have a wavelength of less than 400nm, exist outside the ultraviolet end of the visible spectrum, and are therefore referred to as ultraviolet rays. The ultraviolet light is divided into four wave bands of UV-A (320 nm-400 nm), UV-B (275 nm-320 nm), UV-C (200 nm-275 nm) and UV-D (100 nm-200 nm) according to the wavelength range, wherein A, B, C three wave bands are also called as disinfection ultraviolet rays. A. B, C the three wave bands all have certain disinfection effect, especially the C wave band has the best disinfection effect. Light quantum theory holds that light is a special form of material motion, a stream of particles with disconnected particles. Each ultraviolet photon with a wavelength of 253.7nm has an energy of 4.9 eV. The disinfection and sterilization of water by UV (ultraviolet) rays are mainly characterized in that nucleic acid (DNA) can absorb high-energy ultraviolet radiation to cause adjacent base dislocation and pyrimidine dimer (pyrimidinedmimer) formation; inhibit or block nucleic acid replication and protein expression, resulting in apoptosis. The ultraviolet disinfection has the following steps: the disinfection speed is fast, the efficiency is high, the physical property and the chemical composition of water are not influenced, the odor and the taste of water are not increased, the operation is simple, the management is convenient, the automation is easy to realize, and the like. UVC-LEDs are a good solution.

The light source 701 may be a point light source, a line light source, or a surface light source, preferably a surface light source, which is convenient to paste and has high stability and reliability. A surface light source is pasted on the PCB 702, and the power is supplied to the light source 701 through a circuit, in addition, a lead is also externally connected on the PCB 702, and the lead passes through the lead hole 601 after being led out to be connected with a power supply. The PCB 702 can be made of aluminum, and the PCB 702 can be loaded with a digital control chip and driven by PWM constant current to realize the stepless adjustment of the light power.

Referring to fig. 1, the PCB 702 is preferably circular, and 2 positioning holes 703 are formed in the PCB 702, wherein the 2 positioning holes 703 are oppositely disposed for screws 900 to pass through and fix the PCB in the mounting holes 602 of the bottom cover 600.

Preferably, the fixing nut 800 includes a mount 801 and a fixing portion 802. Preferably, the mounting platform 800 is an annular surface. Preferably, the top surface of the mounting platform 800 is form-fit to the wall of the tank. Preferably, the fixing portions 802 are distributed along the side of the fixing nut 800, the fixing portions 802 have a plane, and the fixing portions 802 facilitate the installation and the removal of the fixing nut 800.

Preferably, the fixing portions 802 are provided in number, and are equally spaced along the side of the fixing nut 800.

Preferably, fixing holes for inserting screws to fix the bracket 100 to the wall surface of the tank may be further provided at the outer side of the bracket 100.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides an ultraviolet sterilization module installs in the through-hole of water tank, its characterized in that: comprises a bracket, a light-transmitting part, a bottom cover, a sterilization part and a fixing nut;

the bottom cover is connected with the lower part of the bracket, the bottom cover is used for installing the sterilization part in the bottom cover, the bottom cover comprises an extension part, and the top surface of the extension part is used for abutting the light transmission part on the upper part of the bracket;

the light of sterilization portion passes through the printing opacity portion jets out, sterilization portion includes PCB board and light source, the light source is UV-LED, the PCB board is the light source power supply.

2. The uv sterilization module of claim 1, wherein: the support still includes astigmatism platform, astigmatism platform sets up the edge of light trap, the plane extension line of astigmatism platform intersect in the light source of aseptic portion.

3. The uv sterilization module of claim 1, wherein: the support still includes interior extension the edge of light trap is equipped with downwardly extending annular interior extension, interior extension with form annular lens seal groove between the lateral wall face of support, lens seal groove is used for setting up lens seal circle, lens seal circle is located the support with between the printing opacity portion.

4. The uv sterilization module of claim 1, wherein: the edge at support top is equipped with the mount pad, the mount pad is an arcuate surface that sinks of circular top surface one side at support top, the mount pad with form a vertical plane between the top surface of support.

5. The UV sterilization module set forth in claim 4, wherein: the installation seat sets up 2, set up relatively on the support.

6. The UV sterilization module set forth in claim 4, wherein: a sealing gasket is arranged between the lower bottom surface of the mounting seat and the wall surface of the water tank and is an annular sealing gasket.

7. The uv sterilization module of claim 1, wherein: the bottom cover is formed by overlapping two cylinders, and the diameter of the upper cylinder is smaller than that of the lower cylinder; a mounting hole is formed in the lower cylinder of the bottom cover and used for mounting a screw, and the screw is used for mounting the sterilization part in the bottom cover; the bottom of the bottom cover is provided with a wire guide hole for a wire to pass through.

8. The uv sterilization module of claim 7, wherein: the mounting hole is formed in a step surface, and the step surface is abutted to the sterilization part during mounting; and/or the bottom surface of the bottom cover is provided with a counter bore, and the counter bore is corrugated; and/or, the outer wall level of bottom is provided with the seal groove, the seal groove is used for setting up bottom sealing washer, bottom sealing washer is located the bottom with between the support.

9. The uv sterilization module of claim 1, wherein: the fixing nut comprises an installation platform and a fixing part;

the fixing parts are distributed along the side face of the fixing nut, and the fixing parts are a plane.

10. The uv sterilization module of claim 9, wherein: the fixed part sets up a plurality ofly, the fixed part is along fixation nut's side equidistance distributes.