CN214880379U

CN214880379U - Portable sterilization module and portable sterilization water tank

Info

Publication number: CN214880379U
Application number: CN202121302193.8U
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: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-26
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a portable module that disinfects belongs to static water sterilization technical field. The utility model discloses a portable sterilization module, which is arranged in a through hole of a water tank and comprises a bracket, a light-transmitting part, an end cover, a positioning seat, a sterilization part and a pin spring needle; the bracket comprises a mounting seat which is propped against the wall surface of the through hole of the water tank; the end cover is connected with the lower part of the bracket, and the positioning seat is arranged in the bracket by the end cover; the portion of disinfecting fixes in the positioning seat, and the light of the portion of disinfecting jets out through the printing opacity portion, and the portion of disinfecting includes PCB board and light source, and the PCB board is connected with pin bullet needle. The power cord is not needed to be connected, the PIN elastic needle can replace the power cord, and the sterilization module can be separated from the bottom 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 utility model provides a portable water tank that disinfects, includes water tank and portable module that disinfects, seals between support and the water tank installation wall, and pin bullet needle is connected simultaneously and is made things convenient for the water tank directly to place and change.

Description

Portable sterilization module and portable sterilization water tank

Technical Field

The utility model relates to a static water sterilization technical field, more specifically say, relate to a portable module and portable water tank that disinfects that disinfect.

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.

In view of the above, it is desirable to provide a portable sterilization module with removable 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 a portable sterilization module which is arranged in a through hole of a water tank and comprises a bracket, a light transmission part, an end cover, a positioning seat, a sterilization part and a pin bullet needle; the bracket comprises a mounting seat which is propped against the wall surface of the through hole of the water tank; the end cover is connected with the lower part of the bracket, and the positioning seat is arranged in the bracket by the end cover; the portion of disinfecting fixes in the positioning seat, and the light of the portion of disinfecting jets out through the printing opacity portion, and the portion of disinfecting includes PCB board and light source, and the PCB board is connected with pin bullet needle. The power cord is not needed to be connected, the PIN elastic needle can replace the power cord, and the sterilization module can be separated from the bottom 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 utility model provides a portable water tank that disinfects, includes water tank and portable module that disinfects, seals between support and the water tank installation wall, and pin bullet needle is connected simultaneously and is made things convenient for the water tank directly to place and change.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a portable sterilization module, which is arranged in a through hole of a water tank and comprises a bracket, a light-transmitting part, an end cover, a positioning seat, a sterilization part and a pin spring needle;

the bracket comprises a mounting seat which is propped against the wall surface of the through hole of the water tank;

the end cover is connected with the lower part of the bracket, and the positioning seat is arranged in the bracket by the end cover;

the sterilization part is fixed in the positioning seat, and the light of sterilization part jets out through the printing opacity portion, and the sterilization part includes PCB board and light source, and the light source is UV-LED, and the PCB board is connected with pin bullet needle.

The power cord is not needed to be connected, the PIN elastic needle can replace the power cord, and the sterilization module can be separated from the bottom power supply.

As a further improvement of the present invention, the support further includes an inner extension portion, a circular opening is opened in the middle of the upper portion of the support, a chamfer is provided at the edge of the circular opening, and the inner extension portion extending downward is provided at the edge of the circular opening, an annular lens sealing groove is formed between the inner extension portion and the side wall surface of the support, and the lower portion of the inner extension portion abuts against the light transmission portion. The inner extension part can press the light transmission part.

As a further improvement, the lens sealing groove is used for setting the lens sealing ring, and the lens sealing ring is located between the support and the light transmission part. The lens sealing ring can realize the sealing between the light-transmitting part and the bracket.

As a further improvement, the support outside level is provided with a plurality of parallel seal grooves, and a support seal ring is arranged in the seal groove. Can realize sealed, make the support stable fixation in the water tank wall simultaneously.

As a further improvement of the utility model, the outer wall surface of the end cover is provided with an external thread, the lower part of the bracket is internally provided with an internal thread, and the end cover is connected with the bracket;

the inner side of the end cover is provided with a corrugated counter bore or a counter bore with other shapes, and the counter bore is used for inserting tools for mounting and dismounting the end cover.

As a further improvement of the utility model, the bracket comprises a positioning boss and a mounting seat, the mounting seat supports against the wall surface of the water tank through hole, the middle part inside the bracket is horizontally provided with a circle of positioning groove, the positioning groove is provided with the positioning boss, and the positioning boss is a plane;

the outer wall surface middle part of positioning seat is equipped with an installation boss, and the installation boss is ring shape boss, and the installation boss offsets with the step face of positioning groove upside in the support, is equipped with the location concave station on the installation boss, and the location concave station is a plane, location concave station and the laminating of location boss.

The plane laminating of location concave station and location boss can prevent to take place between positioning seat and the support and rotate.

As a further improvement of the present invention, 4 positioning holes are formed in the PCB, wherein the 4 positioning holes are oppositely disposed, and 2 positioning holes oppositely disposed are used for screws to pass through and fix the PCB in the mounting hole of the positioning seat; and the other 2 oppositely-arranged positioning holes are used for fixing the pin elastic needle. The pin spring needle can be welded on the PCB.

The utility model relates to a portable sterilization water tank, which comprises a water tank and a portable sterilization module;

the water tank is divided into a first cavity and a second cavity, the second cavity is positioned above the first cavity and used for containing water, and the lower part of the first cavity is opened; the first cavity and the second cavity use wall surfaces as boundaries, an opening is formed in the middle of each wall surface, an annular mounting wall extends downwards from the opening, the mounting wall is used for mounting a support, and a support sealing ring is arranged between the support and the mounting wall. Realize sealed between support and the water tank, pin bullet needle is connected and is made things convenient for the water tank directly to place and change simultaneously.

As a further improvement of the utility model, the bracket also comprises installation keys, the outer part of the bracket is provided with a plurality of installation keys which are distributed at equal intervals, and one side of the lower part of each installation key presents a slope;

an annular mounting groove is formed in the mounting wall and used for fixing a mounting key.

The mounting key is mounted in the mounting groove, and the mounting and dismounting are convenient.

As a further improvement of the utility model, the portable sterilization module is fixed on the wall surface of the water tank through screws; or the portable sterilization module is fixed on the wall surface of the water tank through the mounting nut. Other removable mounting means may also achieve this.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a portable sterilization module, which is arranged in a through hole of a water tank and comprises a bracket, a light-transmitting part, an end cover, a positioning seat, a sterilization part and a pin spring needle; the bracket comprises a mounting seat which is propped against the wall surface of the through hole of the water tank; the end cover is connected with the lower part of the bracket, and the positioning seat is arranged in the bracket by the end cover; the portion of disinfecting fixes in the positioning seat, and the light of the portion of disinfecting jets out through the printing opacity portion, and the portion of disinfecting includes PCB board and light source, and the PCB board is connected with pin bullet needle. The power cord is not needed to be connected, the PIN elastic needle can replace the power cord, and the sterilization module can be separated from the bottom 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 utility model provides a portable water tank that disinfects, includes water tank and portable module that disinfects, seals between support and the water tank installation wall, and pin bullet needle is connected simultaneously and is made things convenient for the water tank directly to place and change. 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 the positioning seat of the present invention;

fig. 5 is a schematic view of the bracket of the present invention;

fig. 6 is a cross-sectional view of the bracket of the present invention;

fig. 7 is a bottom view of the present invention;

FIG. 8 is a front view of the water tank of the present invention;

fig. 9 is a sectional view of the water tank of the present invention;

FIG. 10 is a schematic view of the water tank of the present invention;

fig. 11 is a sectional view of the water tank of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a support; 101. positioning the boss; 102. installing a key; 103. an inner extension; 104. a mounting seat; 105. a fixing hole; 106. mounting a nut;

200. a light-transmitting portion; 300. an end cap; 400. a lens seal ring;

500. a support sealing ring; 501. a first seal ring; 502. a second seal ring;

600. positioning seats; 601. positioning the concave platform; 602. mounting holes; 610. mounting a boss;

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

800. pin elastic needles; 900. a screw;

1000. a water tank; 1001. a mounting wall; 1002. installing a groove; 1010. a first cavity; 1020. a second cavity.

Detailed Description

For a further understanding of the present invention, reference will 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 of the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention has no technical essence, and any structural modification, proportion relation change or size adjustment should still fall within the scope of the technical content disclosed in the present invention without affecting the efficacy and the achievable purpose of the present invention. 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 terms is not to be construed as a scope of the present invention.

Example 1

Referring to fig. 1 and 2, the portable sterilization module of the present embodiment includes a support 100, a light-transmitting portion 200, an end cap 300, a positioning seat 600, a sterilization portion 700, and a pin elastic needle 800, wherein the support 100 is through for the light-transmitting portion 200 to be inserted, the support 100 is installed in a through hole on a wall surface of a water tank, the sterilization portion 700 is fixed on a top of the positioning seat 600 and fixed in the light-transmitting portion 200 and the support 100 together with the positioning seat 600, and the support 100 is fixedly connected to the positioning seat 600, and the connection manner may be a threaded connection, a snap connection, or other common detachable connection manner.

Referring to fig. 3, the sterilization part 700 is mounted on the positioning base 600 by a screw 900.

Referring to fig. 5 and 6, the bracket 100 includes a positioning boss 101, a mounting key 102, an inward extending portion 103 and a mounting seat 104, the bracket 100 is a hollow structure, a circular opening is formed in the middle of the upper portion of the bracket 100, a chamfer is formed at the edge of the circular opening, the inward extending portion 103 is arranged at the edge of the circular opening, a lens sealing groove is formed between the inward extending portion 103 and the side wall surface of the bracket 100, a circle of positioning groove is horizontally arranged in the middle of the inside of the bracket 100, the positioning boss 101 is arranged on the positioning groove, the positioning boss 101 is a plane, and a step surface is formed at the upper portion of the positioning groove. The bracket 100 has a plurality of mounting keys 102 on the outside, and one side of the lower part of the mounting key 102 presents a slope. The mounting seat 104 is located at the lowest part of the bracket 100 and is a circular flange, which can be used for positioning and mounting when the bracket 100 is mounted on the water tank.

Preferably, the lower cavity wall of the bracket 100 is internally threaded for connection with the end cap 300.

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 and 7, the outer wall surface of the end cap 300 is provided with external threads for connecting with the bracket 100. The inner side of the end cap 300 is provided with a corrugated counter bore, which facilitates the installation and disassembly of the end cap 300 by using tools. It should be noted that other shapes may be used as long as the end cap 300 can be inserted, mounted, and removed by a tool.

Referring to fig. 1, 2 and 4, the positioning seat 600 is approximately a superposition of two cylinders, and the diameter of the upper cylinder is larger than that of the lower cylinder. The lower cylinder of the positioning seat 600 is provided with a mounting hole 602 inside, the mounting hole 602 is used for mounting a screw 900, and the screw 900 mounts the sterilization part 700 in the positioning seat 600. The middle of the outer wall surface of the positioning seat 600 is provided with an installation boss 610, the installation boss 610 is a circular ring-shaped boss, and the installation boss 610 abuts against a step surface on the upper side of the positioning groove in the bracket 100. The mounting boss 610 is provided with a positioning concave 601, the positioning concave 601 is a plane, the positioning concave 601 is matched with the positioning boss 101, and the rotation between the bracket 100 and the positioning seat 600 can be prevented after the mounting.

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 bracket 100 is horizontally provided with a sealing groove for disposing the bracket sealing ring 500.

Preferably, the bracket 100 is horizontally provided with two sealing grooves, i.e., a first sealing ring 501 and a second sealing ring 502.

Preferably, the bracket 100 may further include a plurality of sealing grooves horizontally formed therein, and a plurality of bracket sealing rings 500 are correspondingly formed therein.

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%. Ultraviolet light is a high-energy, invisible light wave with a wavelength of less than 400nm that is present outside the ultraviolet end of the visible spectrum and is therefore called ultraviolet light. 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 330 is externally connected to the PCB 702, and the lead 330 is connected with a power supply after being led out. 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, four positioning holes 703 are formed on the PCB 702, the four positioning holes 703 are oppositely disposed, wherein 2 oppositely disposed positioning holes 703 are used for passing the screws 900 and fixing the PCB in the mounting hole 602 of the positioning base 600. In addition, 2 locating holes 703 arranged oppositely are used for fixing the pin elastic needle 800, and the pin elastic needle 800 can be welded on a PCB board or can adopt other fixing modes. The upper portion of the pin bullet needle 800 is electrically connected with the PCB board, and the lower portion of the pin bullet needle 800 is connected with an external power supply. The number of the pin elastic needles 800 is set to 2, and the pin elastic needles are respectively connected with the positive electrode and the negative electrode, and other numbers can be set according to needs.

Preferably, referring to fig. 5, an anti-slip pattern is disposed on the outer side of the mounting seat 104.

Example 2

Referring to fig. 8 and 9, the portable sterilization water tank of the present embodiment includes the portable sterilization module of embodiment 1, and further includes a water tank 1000, the water tank 1000 is divided into a first cavity 1010 and a second cavity 1020, the second cavity 1020 is located above the first cavity 1010, the second cavity 1020 is used for containing water, and the first cavity 1010 has an opening at a lower portion. The first chamber 1010 and the second chamber 1020 are bounded by walls, and an opening is formed in the middle of the walls, and an annular mounting wall 1001 extends downwards from the opening, and the mounting wall 1001 is used for mounting the bracket 100. The carrier seal 500 mates with the mounting wall to form a seal.

Preferably, after the bracket 100 is installed, the mounting seat 104 abuts against the lower edge of the mounting wall 1001.

Preferably, the top of the bracket 100 is flush with the bottom surface of the second chamber 1020. Does not affect the flow of the water in the second chamber 1020.

Preferably, the mounting wall 1001 defines an annular mounting recess 1002 therein, and the mounting recess 1002 is used for fixing the mounting key 102. The structure is simple to fix and easy to mount and dismount.

Water tank 1000 and power base cooperation directly place water tank 1000 on power base, and pin bullet needle 800 switch on power. If the water tank 1000 needs to be replaced, the water tank 1000 can be directly removed, and the water tank 1000 is automatically powered off.

Referring to fig. 10, the outer side of the bracket 100 is provided with fixing holes 105, and preferably, the fixing holes 105 are provided in at least two numbers, and the fixing holes 105 are vertically arranged at equal intervals in the circumferential direction outside the bracket. The fixing holes 105 are for insertion of screws, thereby fixing the bracket 100 to the water tank 1000.

Referring to fig. 11, the bracket 100 may also be fixed to the water tank 1000 by a mounting nut 106, in which case, an external thread is provided on the upper portion of the bracket 100, and a portion of the upper portion of the bracket 100 extends after the mounting, so that the mounting nut 106 is screwed in and fixed. In this case, the stable fixing can be achieved by providing only one carrier seal 500. Preferably, a washer is further provided between the mounting nut 106 and the wall surface of the water tank 1000.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, 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 of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a portable module that disinfects, installs in the through-hole of water tank, its characterized in that: comprises a bracket, a light-transmitting part, an end cover, a positioning seat, a sterilization part and a pin elastic needle;

the end cover is connected with the lower part of the bracket, and the positioning seat is installed in the bracket by the end cover;

the sterilizing part is fixed in the positioning seat, light of the sterilizing part is emitted through the light-transmitting part, the sterilizing part comprises a PCB and a light source, the light source is a UV-LED, and the PCB is connected with the pin bullet needle.

2. The portable sterilization module of claim 1, wherein: the support further comprises an inward extension part, a round opening is formed in the middle of the upper portion of the support, a chamfer is formed in the edge of the round opening, the inward extension part extending downwards is arranged at the edge of the round opening, an annular lens sealing groove is formed between the inward extension part and the side wall surface of the support, and the lower portion of the inward extension part abuts against the light transmission part.

3. The portable sterilization module of claim 2, wherein: the lens seal groove is used for arranging a lens seal ring, and the lens seal ring is positioned between the support and the light transmission part.

4. The portable sterilization module of claim 1, wherein: the support outside level is provided with a plurality of parallel seal grooves, establish the support sealing washer in the seal groove.

5. The portable sterilization module of claim 1, wherein: the outer wall surface of the end cover is provided with external threads, the lower part of the bracket is internally provided with internal threads, and the end cover is connected with the bracket;

the inner side of the end cover is provided with a corrugated counter bore or counter bores with other shapes, and tools can be inserted into the counter bores for mounting and dismounting the end cover.

6. The portable sterilization module of claim 1, wherein:

the bracket comprises a positioning boss and a mounting seat, the mounting seat props against the wall surface of the through hole of the water tank, a circle of positioning groove is horizontally arranged in the middle of the inside of the bracket, the positioning boss is arranged on the positioning groove, and the positioning boss is a plane;

the outer wall surface middle part of positioning seat is equipped with an installation boss, the installation boss is ring shape boss, the installation boss with the step face of positioning groove upside in the support offsets be equipped with the location concave station on the installation boss, the location concave station is a plane, the location concave station with the laminating of location boss.

7. The portable sterilization module of claim 1, wherein: 4 positioning holes are formed in the PCB, the 4 positioning holes are arranged in an opposite mode, 2 positioning holes arranged in an opposite mode are used for screws to penetrate through, and the PCB is fixed in a mounting hole of the positioning seat; and the other 2 oppositely-arranged positioning holes are used for fixing the pin elastic needle.

8. A portable sterilization water tank is characterized in that: comprising a water tank and a portable sterilisation module according to any of the claims 1-7;

the water tank is divided into a first cavity and a second cavity, the second cavity is positioned above the first cavity, the second cavity is used for containing water, and the lower part of the first cavity is opened; the first cavity and the second cavity are bounded by wall surfaces, an opening is formed in the middle of each wall surface, an annular mounting wall extends downwards from the opening, the mounting wall is used for mounting the support, and a support sealing ring is arranged between the support and the mounting wall.

9. The portable sterilizing water tank as set forth in claim 8, wherein: the bracket also comprises a plurality of mounting keys, the mounting keys are arranged outside the bracket and are distributed at equal intervals, and one side of the lower part of each mounting key presents a slope;

an annular mounting groove is formed in the mounting wall, and the mounting groove is used for fixing the mounting key.

10. The portable sterilizing water tank as set forth in claim 8, wherein: the portable sterilization module is fixed on the wall surface of the water tank through screws; or the portable sterilization module is fixed on the wall surface of the water tank through a mounting nut.