CN214360380U

CN214360380U - Ultraviolet sterilization device

Info

Publication number: CN214360380U
Application number: CN202120101779.1U
Authority: CN
Inventors: 宋广明; 张建芳
Original assignee: Shenzhen Angel Drinking Water Equipment Co Ltd
Current assignee: Shenzhen Angel Drinking Water Equipment Co Ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-10-08
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses an ultraviolet sterilization device, which comprises a shell, two radiating brackets and two ultraviolet irradiation devices; a water storage cavity is formed inside the shell, a first water inlet communicated with the water storage cavity is formed in the top of the shell, and a second water inlet communicated with the water storage cavity is formed in the bottom of the shell; the two radiating supports are correspondingly arranged above and below the water storage cavity to divide the water storage cavity into a first water inlet cavity, an inner water cavity and a second water inlet cavity from top to bottom, a plurality of spiral notches are circumferentially arranged on the outer sides of the radiating supports, the spiral notches on the radiating supports above the water storage cavity penetrate through the upper surface and the lower surface of the spiral notches to enable the first water inlet cavity to be communicated with the inner water cavity, and the spiral notches on the radiating supports below the water storage cavity penetrate through the upper surface and the lower surface of the spiral notches to enable the second water inlet cavity to be communicated with the inner water cavity; each ultraviolet irradiation device is correspondingly arranged on a heat dissipation bracket and is positioned at one side of the inner water cavity.

Description

Ultraviolet sterilization device

Technical Field

The utility model relates to a water treatment technical field especially relates to an ultraviolet sterilizing device.

Background

At present, most of drinking water purification equipment on the market adopts ultraviolet rays to sterilize drinking water, and the ultraviolet rays are used for sterilizing the water, so that the drinking water purification equipment has the advantages of wide and rapid sterilization range, no introduction of impurities in the treatment process, no generation of new sterilization byproducts, capability of killing some germs which cannot be inactivated by chlorine sterilization and the like, and the ultraviolet sterilization becomes a widely-used sterilization mode.

However, in the current products for disinfecting and sterilizing drinking water by using ultraviolet rays, a straight-in and straight-out water inlet and outlet design is adopted, and because the penetrating power of the ultraviolet rays is limited, the fatal weakness of the design is that the flowing drinking water is subjected to uneven ultraviolet radiation intensity in an ultraviolet ray disinfection device, and the device has a radiation blind area, so that the conditions that the disinfection and sterilization are incomplete and the disinfection and sterilization effect is not ideal can occur due to ultraviolet ray irradiation in a dead angle area. Simultaneously, ultraviolet lamp pearl can produce a large amount of heats at the during operation, and the product on the market mostly adopts the air heat dissipation, and the radiating effect is not good, influences the performance and the life-span of lamp pearl. Moreover, due to the influence of the level of an UVC (ultraviolet ray for short wave sterilization and with the wavelength of 200-275 nm) LED chip, the lamp bead power of the existing ultraviolet sterilization module is only about 100mw to the maximum extent, the sterilization flow rate of the module is only about 2L/min to the maximum extent, and the use scene with large flux cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problem that an ultraviolet lamp pearl is radiating effectual, ultraviolet radiation is even, can eliminate the ultraviolet radiation blind area and can satisfy the ultraviolet sterilizing equipment of the scene demand of different flow is provided.

In order to solve the technical problem, the utility model discloses a as follows technical scheme:

an ultraviolet sterilization device comprises a shell, two heat dissipation brackets and two ultraviolet irradiation devices; a water storage cavity is formed inside the shell, a first water inlet communicated with the water storage cavity is formed in the top of the shell, and a second water inlet communicated with the water storage cavity is formed in the bottom of the shell; the two radiating supports are correspondingly arranged above and below the water storage cavity to divide the water storage cavity into a first water inlet cavity, an inner water cavity and a second water inlet cavity from top to bottom, a plurality of spiral notches are circumferentially arranged on the outer sides of the radiating supports, the spiral notches on the radiating supports above the water storage cavity penetrate through the upper surface and the lower surface of the spiral notches to enable the first water inlet cavity to be communicated with the inner water cavity, and the spiral notches on the radiating supports below the water storage cavity penetrate through the upper surface and the lower surface of the spiral notches to enable the second water inlet cavity to be communicated with the inner water cavity; and each ultraviolet irradiation device is correspondingly arranged on a heat dissipation bracket and is positioned on one side of the inner water cavity.

Preferably, a cavity liner is arranged in the water storage cavity, and a sealing ring is arranged between the outer wall of the cavity liner and the inner wall of the shell; the cavity liner is of a cylindrical structure with two open ends and hollow inside and is abutted between the two radiating supports.

Preferably, the cavity liner has an ultraviolet light reflectance of greater than 90%.

Preferably, the ultraviolet irradiation device comprises an ultraviolet lamp bead and a waterproof lampshade, and the ultraviolet lamp bead is fixedly arranged in the center of the upper surface of the heat dissipation bracket; the waterproof lamp shade is connected with the radiating support in a sealing mode to form a closed space, and the ultraviolet lamp beads are located in the closed space.

Preferably, the upper surface of the heat dissipation support is provided with an annular groove, the waterproof lamp shade is embedded in the annular groove, and glue is filled at the joint of the annular groove and the waterproof lamp shade.

Preferably, the casing including a shell main part, one with the epitheca that shell main part upper end is connected and one with the inferior valve that shell main part lower extreme is connected, the junction of shell main part and epitheca is provided with the sealing washer, the junction of shell main part and inferior valve is provided with the sealing washer.

Preferably, the housing main body is screwed with the upper case, and the housing main body is screwed with the lower case.

Preferably, the lower surface of the heat dissipation bracket is provided with a connecting column, and the lower shell is provided with a connecting hole matched and connected with the connecting column corresponding to the connecting column.

Preferably, a sealing ring is arranged at the joint of the connecting column and the connecting hole.

Preferably, the heat dissipation bracket is made of a metal material.

The utility model has the advantages of: according to the ultraviolet sterilization device, water flow is injected from the first water inlet or the second water inlet, the water flow flows into the inner water cavity from the first water inlet cavity or the second water inlet cavity through the spiral notch of the heat dissipation support, and the water flow direction can continuously rotate when flowing through the spiral notch by utilizing the water pressure of inlet water and the guiding effect of the spiral notch, so that vortex spiral advancing is formed in the inner water cavity, drinking water flowing through the ultraviolet sterilization device is subjected to uniform ultraviolet irradiation with the same dose, and the blind area of the ultraviolet sterilization device is eliminated; in addition, the ultraviolet sterilization device adopts water cooling for heat dissipation, the heat dissipation bracket is continuously washed by flowing water flow, heat is quickly taken away, and the heat dissipation effect of the ultraviolet lamp beads is good, so that the ultraviolet lamp bead performance of the ultraviolet irradiation device is ensured, and the service life of the ultraviolet lamp beads is prolonged; finally, the utility model discloses a two ultraviolet irradiation devices through the bright control of going out to two ultraviolet irradiation devices, can satisfy the ultraviolet sterilization requirement of different velocity of flow/flow.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of the ultraviolet sterilizer of the present invention;

fig. 2 is a schematic perspective view of the heat dissipation bracket of the present invention;

FIG. 3 is a side view of the ultraviolet sterilizer of the present invention;

FIG. 4 is a cross-sectional view taken in the direction AA' of FIG. 3;

FIG. 5 is a cross-sectional view taken in the direction of BB' of FIG. 3;

fig. 6 is a schematic view of the three-dimensional structure of the lower case of the present invention with the front side facing upward;

fig. 7 is a schematic view of the three-dimensional structure of the utility model with the bottom surface of the lower casing facing upwards.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and examples. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

As shown in fig. 1-7, in one embodiment of the present invention, the ultraviolet sterilization device includes a housing, two heat dissipation brackets 30 and two ultraviolet irradiation devices 40; a water storage cavity 20 is formed inside the shell, a first water inlet 111 communicated with the water storage cavity 20 is formed in the top of the shell, and a second water inlet 121 communicated with the water storage cavity 20 is formed in the bottom of the shell; the two heat dissipation supports 30 are correspondingly arranged above and below the water storage cavity 20 to divide the water storage cavity 20 into a first water inlet cavity 21, an inner water cavity 22 and a second water inlet cavity 23 from top to bottom, a plurality of spiral cuts 31 are circumferentially arranged on the outer side of each heat dissipation support 30, the spiral cuts 31 on the heat dissipation supports 30 above the water storage cavity 20 penetrate through the upper surface and the lower surface of each heat dissipation support to enable the first water inlet cavity 21 and the inner water cavity 22 to be communicated, and the spiral cuts 31 on the heat dissipation supports 30 below the water storage cavity 20 penetrate through the upper surface and the lower surface of each heat dissipation support to enable the second water inlet cavity 23 and the inner water cavity 22 to be communicated; each of the two ultraviolet irradiation devices 40 is correspondingly installed on a heat dissipation bracket 30 and located at one side of the inner water cavity 22.

The embodiment of the utility model provides an ultraviolet sterilization device, rivers are poured into by first water inlet 111 or second water inlet 121, rivers flow into interior cavity 22 from first intake antrum 21 or second intake antrum 23 through the spiral incision 31 of heat dissipation support 30, utilize the water pressure of intaking and the guide effect of spiral incision 31, rivers can constantly rotate in rivers direction when flowing through spiral incision 31, thereby form vortex spiral in interior cavity 22 and advance, make the drinking water that flows through ultraviolet sterilization device receive the even ultraviolet radiation of equal dose, eliminate ultraviolet sterilization device's blind area; in addition, the ultraviolet sterilization device adopts water cooling for heat dissipation, flowing water flow continuously washes the heat dissipation bracket 30, heat is quickly taken away, and the heat dissipation effect of the ultraviolet lamp beads is good, so that the ultraviolet lamp bead performance of the ultraviolet irradiation device is ensured, and the service life of the ultraviolet lamp beads is prolonged; finally, the utility model discloses a two ultraviolet irradiation device 40, through the bright control of going out to two ultraviolet irradiation device 40, can satisfy the ultraviolet sterilization requirement of different velocity of flow/flow, when needing the high velocity of flow, big flux to disinfect, light two ultraviolet irradiation device 40, when needing low velocity of flow, little flux to disinfect, light one of them ultraviolet irradiation device 40.

In some preferred embodiments of the present invention, the heat dissipation bracket 30 is made of metal materials such as copper, aluminum, and stainless steel, which can enhance the heat conductivity of the heat dissipation bracket 30, thereby improving the heat dissipation performance.

In some preferred embodiments of the present invention, a cavity liner 50 is disposed in the water storage cavity 20, and a sealing ring 51 is disposed between an outer wall of the cavity liner 50 and an inner wall of the housing; the cavity liner 50 is a tubular structure with two open ends and a hollow interior, and the cavity liner 50 is abutted between the two heat dissipation brackets 30. The cavity liner 50 can reflect ultraviolet rays, so that ultraviolet light energy can be more fully utilized, and the ultraviolet sterilization device achieves a better sterilization effect.

In some preferred embodiments of the present invention, the cavity liner 50 is made of highly reflective ultraviolet material, so that the ultraviolet reflectivity of the cavity liner 50 is greater than 90%, thereby enhancing the ultraviolet reflectivity of the inner wall of the cavity liner 50, and making full use of the ultraviolet light energy, so that the ultraviolet sterilization device achieves better sterilization effect. For example, in the present embodiment, the cavity liner 50 is made of Polytetrafluoroethylene (PTFE), so that the ultraviolet light reflectivity of the cavity liner 50 reaches about 95%.

In some preferred embodiments of the present invention, the ultraviolet irradiation device 40 includes an ultraviolet lamp bead 41 and a waterproof lamp cover 42, the ultraviolet lamp bead 41 is fixedly installed in the central portion of the upper surface of the heat dissipation support 30, the waterproof lamp cover 42 is connected to the heat dissipation support 30 in a sealing manner to form an enclosed space 43, and the ultraviolet lamp bead 41 is located in the enclosed space 43. Specifically, the upper surface of the heat dissipation bracket 30 is provided with an annular groove 32, the waterproof lamp shade 42 is embedded in the annular groove 32, and the joint of the annular groove 32 and the waterproof lamp shade 42 is filled with glue, so as to form the closed space 43.

In some preferred embodiments of the present invention, the housing includes a housing body 10, an upper shell 11 connected to the upper end of the housing body 10, and a lower shell 12 connected to the lower end of the housing body 10, the housing body 10 is connected to the upper shell 11 by a screw thread, and the joint is provided with a sealing ring 131, and the housing body 10 is connected to the lower shell 12 by a screw thread, and the joint is provided with a sealing ring 132.

In some preferred embodiments of the present invention, the lower surface of the heat dissipation bracket 30 is provided with a connection column 33, the lower shell 12 corresponds to the connection column 33 is provided with a connection hole 60 connected with the connection column 33 in a matching manner, and a sealing ring 34 is provided at the connection position of the connection column 33 and the connection hole 60.

In some preferred embodiments of the present invention, the housing body 10 has a structure with two completely symmetrical ends, and thus, the upper housing 11 and the lower housing 12 have the same structure, wherein the first water inlet 11 formed at the top of the upper housing 11 corresponds to the second water inlet 12 formed at the bottom of the lower housing 12 and has the same structure. The structure with two completely symmetrical ends is adopted, so that the process can be simplified, the die is saved, and the installation is convenient.

The foregoing is considered as illustrative of the preferred embodiments of the invention and is not intended to limit the invention in any way. Various equivalent changes and modifications can be made on the basis of the above embodiments by those skilled in the art, and all equivalent changes and modifications within the scope of the claims should fall within the protection scope of the present invention.

Claims

1. An ultraviolet sterilizer, comprising:

the water storage device comprises a shell, a water storage cavity and a water outlet pipe, wherein a first water inlet communicated with the water storage cavity is formed in the shell, and a second water inlet communicated with the water storage cavity is formed in the bottom of the shell;

the two heat dissipation supports are correspondingly arranged above and below the water storage cavity to divide the water storage cavity into a first water inlet cavity, an inner water cavity and a second water inlet cavity from top to bottom, a plurality of spiral notches are circumferentially arranged on the outer sides of the heat dissipation supports, the spiral notches on the heat dissipation supports above the water storage cavity are communicated with the first water inlet cavity and the inner water cavity, and the spiral notches on the heat dissipation supports below the water storage cavity are communicated with the second water inlet cavity and the inner water cavity;

and each ultraviolet irradiation device is correspondingly arranged on a heat dissipation bracket and is positioned on one side of the inner water cavity.

2. The ultraviolet sterilization device according to claim 1, wherein a cavity liner is disposed in the water storage cavity, and a sealing ring is disposed between an outer wall of the cavity liner and an inner wall of the housing; the cavity liner is of a cylindrical structure with two open ends and hollow inside and is abutted between the two radiating supports.

3. The uv disinfection apparatus of claim 2, wherein the uv light reflectance of the chamber liner is greater than 90%.

4. The ultraviolet sterilization apparatus as set forth in claim 1, wherein said ultraviolet irradiation means comprises:

the ultraviolet lamp bead is fixedly arranged in the center of the upper surface of the heat dissipation bracket;

and the waterproof lampshade is hermetically connected with the heat dissipation support to form a closed space, and the ultraviolet lamp bead is positioned in the closed space.

5. The ultraviolet sterilization device according to claim 4, wherein the upper surface of the heat dissipation bracket is provided with an annular groove, the waterproof lamp cover is embedded in the annular groove, and the joint of the annular groove and the waterproof lamp cover is filled with glue.

6. The ultraviolet sterilizer of claim 1, wherein the housing comprises a main housing, an upper housing connected to the upper end of the main housing, and a lower housing connected to the lower end of the main housing, wherein a sealing ring is disposed at the joint between the main housing and the upper housing, and a sealing ring is disposed at the joint between the main housing and the lower housing.

7. The ultraviolet sterilization apparatus as set forth in claim 6, wherein said housing main body is screw-coupled with the upper case, and said housing main body is screw-coupled with the lower case.

8. The ultraviolet sterilization device according to claim 6, wherein the lower surface of the heat dissipation bracket is provided with a connection column, and the lower shell is provided with a connection hole corresponding to the connection column and matched with the connection column.

9. The ultraviolet sterilization device according to claim 8, wherein a sealing ring is disposed at the connection position of the connection column and the connection hole.

10. The uv disinfection apparatus of any one of claims 1-9, wherein the heat dissipation support is made of a metallic material.