CN218988896U

CN218988896U - Overcurrent type sterilization module

Info

Publication number: CN218988896U
Application number: CN202223336159.XU
Authority: CN
Inventors: 郑远志; 慕永刚; 康建; 陈向东
Original assignee: Yuanrong Photoelectric Technology Co ltd; Maanshan Jiesheng Semiconductor Co ltd
Current assignee: Yuanrong Photoelectric Technology Co ltd; Maanshan Jiesheng Semiconductor Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-09
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses an overcurrent type sterilization module, which relates to the technical field of dynamic water sterilization and comprises a shell, a sterilization cavity and a light source component, wherein a water inlet is formed in one end of the shell, a water outlet is formed in the other end of the shell, the sterilization cavity is arranged in the shell, two ends of the sterilization cavity are respectively communicated with the water inlet and the water outlet, a reflecting layer is arranged on the inner wall of the sterilization cavity, a light outlet penetrating through the reflecting layer is formed in the side wall of the sterilization cavity, the light source component is arranged on the outer side of the sterilization cavity and is used for blocking the light outlet, and the light source component is used for emitting deep ultraviolet light and irradiating the sterilization cavity through the light outlet. The overcurrent type sterilization module provided by the utility model has the advantages of compact structure and small volume, and can effectively improve the sterilization effect of water quality in the water purifying pipeline under the condition that the length or the pipe diameter of the water purifying pipeline is not required to be increased.

Description

Overcurrent type sterilization module

Technical Field

The utility model relates to the technical field of dynamic water sterilization, in particular to an overcurrent type sterilization module.

Background

At present, the deep ultraviolet sterilization of dynamic water is widely applied, but the LED has large heat productivity and poor heat dissipation effect, so that the LED has low light emitting rate, can not meet the sterilization requirement, and is not thorough in sterilization. The existing solutions mostly achieve the sterilization requirement by adopting the manners of prolonging the length of the water pipe to prolong the length of the water flow path, or increasing the power of the LEDs, or prolonging the sterilization time, and the like. The mode of prolonging the length of the water pipe can increase the size of the equipment, which is not beneficial to realizing the compact miniaturization of the equipment; the mode of increasing the power of the LED can increase the energy consumption of the equipment, which is not beneficial to energy conservation; the extension sterilization time can generally adopt the form of upset runner or choked flow, but the rivers bend and the resistance is great behind the diversion, and the route is longer to lead to the rivers unsmooth easily, inconvenient stable circulation of realization water leads to the user to use and experience relatively poor, consequently, how to provide a degassing unit that can effectively improve the bactericidal effect in the shorter route is the problem that the one skilled in the art needs to solve.

Disclosure of Invention

The utility model aims to provide an overcurrent type sterilization module which solves the problems in the prior art, has a compact structure and a small volume, and can effectively improve the sterilization effect of water quality in a water purifying pipeline under the condition that the length or the pipe diameter of the water purifying pipeline is not required to be increased.

In order to achieve the above object, the present utility model provides the following solutions:

the utility model provides an overcurrent type sterilization module which comprises a shell, a sterilization cavity and a light source assembly, wherein a water inlet is formed in one end of the shell, a water outlet is formed in the other end of the shell, the sterilization cavity is arranged in the shell, two ends of the sterilization cavity are respectively communicated with the water inlet and the water outlet, a reflecting layer is arranged on the inner wall of the sterilization cavity, a light outlet penetrating through the reflecting layer is formed in the side wall of the sterilization cavity, the light source assembly is arranged on the outer side of the sterilization cavity and seals the light outlet, and the light source assembly emits deep ultraviolet light and irradiates the sterilization cavity through the light outlet.

Preferably, a radiator is arranged on the outer side of the light source assembly and used for radiating the light source assembly, and the radiator is arranged on the shell.

Preferably, the reflection components made of reflective materials are arranged at two ends of the sterilization chamber, each reflection component comprises a cylindrical part and an annular part fixedly arranged on the periphery of the cylindrical part, a first water passing hole is formed in the cylindrical part, one end of the cylindrical part is inserted into the sterilization chamber and is in sealing connection with the sterilization chamber through an O-shaped ring, the other end of the cylindrical part is inserted into a stepped hole in a special-shaped sealing gasket and is in sealing connection with the shell through the special-shaped sealing gasket, a step is formed between one end of the cylindrical part inserted into the sterilization chamber and the inner wall of the sterilization chamber, the annular part is arranged between the end face of the sterilization chamber and the end face of the special-shaped sealing gasket, a second water passing hole communicated with the first water passing hole is formed in the special-shaped sealing gasket, and the second water passing holes at two ends are respectively communicated with the water inlet and the water outlet.

Preferably, the light source assembly comprises a PCB substrate and a led lamp arranged on the PCB substrate, the led lamp is correspondingly arranged with the light emitting hole and is in sealing connection with the light emitting hole, the PCB substrate is arranged on the shell, and the radiator is arranged on the outer side of the PCB substrate.

Preferably, a heat conducting pad is arranged between the PCB substrate and the radiator for conducting heat.

Preferably, a plurality of heat dissipating ribs are arranged on the outer side surface of the heat sink.

Preferably, the shell comprises a main shell and an end cover which is arranged at one end of the main shell in a threaded manner, the water outlet is arranged in the end cover, the water inlet is arranged at one end, far away from the end cover, of the main shell, and the main shell is provided with a mounting hole corresponding to the led lamp.

Preferably, a clamping block is arranged on the radiator, a clamping groove corresponding to the clamping block is arranged on the shell, and the radiator is fixed on the shell through clamping of the clamping block in the clamping groove.

Compared with the prior art, the utility model has the following technical effects:

the utility model provides an overcurrent type sterilization module, after a water body enters a sterilization cavity from a water inlet, deep ultraviolet light emitted by a light source assembly irradiates the water body in the sterilization cavity, and the deep ultraviolet light can repeatedly act on water flow through the reflection effect of a reflecting layer, so that the sterilization effect on the water flow is enhanced, the aim of effectively improving the sterilization effect of water quality in a water purification pipeline under the condition that the length or the pipe diameter of the water purification pipeline is not required to be increased is fulfilled, and the length or the pipe diameter of the water purification pipeline is not required to be increased due to the arrangement of the reflecting layer, so that the structure is more compact and the volume is smaller.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed 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 utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an overcurrent sterilization module according to the present utility model;

fig. 2 is a schematic cross-sectional structure of an overcurrent sterilization module according to the present utility model;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 2;

FIG. 4 is a partially enlarged schematic illustration of portion B of FIG. 2;

FIG. 5 is a schematic perspective view of a light source assembly according to the present utility model;

in the figure: 1-shell, 2-sterilization cavity, 3-light source subassembly, 4-water inlet, 5-delivery port, 6-reflection stratum, 7-light-emitting hole, 8-radiator, 9-reflection subassembly, 10-tube-shape portion, 11-annular portion, 12-first water hole, 13-O shape circle, 14-special-shaped sealing gasket, 15-second water hole, 16-PCB base plate, 17-led lamp, 18-heat conduction pad, 19-heat dissipation muscle, 20-main shell, 21-end cover, 22-mounting hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

As shown in fig. 1-5, the embodiment provides an overcurrent type sterilization module, which comprises a housing 1, a sterilization chamber 2 and a light source assembly 3, wherein one end of the housing 1 is provided with a water inlet 4, the other end is provided with a water outlet 5, the sterilization chamber 2 is arranged in the housing 1, two ends of the sterilization chamber 2 are respectively communicated with the water inlet 4 and the water outlet 5, the inner wall of the sterilization chamber 2 is provided with a reflecting layer 6, the side wall of the sterilization chamber 2 is provided with a light outlet 7 penetrating through the reflecting layer 6, the light source assembly 3 is arranged outside the sterilization chamber 2 and seals the light outlet 7, and the light source assembly 3 emits deep ultraviolet light and irradiates the sterilization chamber 2 through the light outlet 7.

When the water sterilizing device is used, after the water enters the sterilizing chamber 2 from the water inlet 4, the deep ultraviolet light emitted by the light source assembly 3 irradiates the water in the sterilizing chamber 2, and the deep ultraviolet light can repeatedly act on water flow through the reflecting effect of the reflecting layer 6, so that the sterilizing effect on the water flow is enhanced, the aim of effectively improving the sterilizing effect of the water quality in the water purifying pipeline under the condition that the length or the pipe diameter of the water purifying pipeline is not required to be increased is fulfilled, and the length or the pipe diameter of the water purifying pipeline is not required to be increased due to the arrangement of the reflecting layer 6, so that the structure is more compact and the volume is smaller.

The reflection layer 6 can adopt stainless steel polishing mirror surface treatment to realize its reflection effect to deep ultraviolet light, perhaps adopt the PTFE material, or set up aluminium matter vacuum coating at reflection layer 6 again, can both realize reflection layer 6 to deep ultraviolet light's reflection effect, sterilization cavity 2 adopts the material that has high permeability to deep ultraviolet light, preferably high-purity quartz material or PTFE material, when sterilization cavity 2 adopts the PTFE material, the subassembly of quartz glass material is not had to the overflow sterilization module, therefore the transportation condition of messenger's product is more convenient, conditions of use and scope are wider, the possibility that the product is fragile has been reduced, sterilization cavity 2 is cylindric structure, square structure or dysmorphism water structure, reflection layer 6 locates the inside of sterilization cavity 2, still can adopt PTFE processing preparation as a whole with reflection layer 6 and sterilization cavity 2, in order to improve device assembly reliability and dead angle nature, reflection layer 6 plays the reflection effect to deep ultraviolet light in the sterilization cavity 2, make the ultraviolet light can act on rivers repeatedly, in order to further strengthen the disinfection effect to rivers, in addition, because reflection layer 6 locates the inner wall of sterilization cavity 2, it can be with the inside the sterilization cavity 2 of the disinfection that it is also can be partly sterilized to deep ultraviolet light to the sterilization cavity 2, thereby the sterilization effect is effective down.

In this embodiment, a radiator 8 is disposed outside the light source assembly 3, and is used for radiating heat from the light source assembly 3, and the radiator 8 is mounted on the housing 1. Preferably, a light source assembly 3 is arranged on each side of the shell 1 to better sterilize and disinfect water flow. The radiator 8 is provided with a plurality of, and a plurality of radiator 8 evenly distributed are in the casing 1 outside, radiator 8 and casing 1 fixed connection. The preferred radiator 8 sets up to 2, and 2 radiator 8 cover are located the both sides of casing 1 respectively, can effectively outside the quick conduction to the device with the heat that two light source modules 3 produced, prevent that light source module 3 from overheated influence the light-emitting rate, thereby the light-emitting rate of maximum promotion light source module 3 carries out effectual disinfection to quality of water.

In this embodiment, reflection components 9 made of reflective materials are arranged at two ends of the sterilization chamber 2, the reflection components 9 comprise a cylindrical portion 10 and an annular portion 11 fixedly arranged on the periphery of the cylindrical portion 10, a first water passing hole 12 is formed in the cylindrical portion 10, one end of the cylindrical portion 10 is inserted into the sterilization chamber 2 and is in sealing connection with the sterilization chamber 2 through an O-shaped ring 13, the other end of the cylindrical portion 10 is inserted into a stepped hole in a special-shaped sealing gasket 14 and is in sealing connection with the shell 1 through the special-shaped sealing gasket 14, a step is formed between one end of the cylindrical portion 10 inserted into the sterilization chamber 2 and the inner wall of the sterilization chamber 2, the annular portion 11 is arranged between the end face of the sterilization chamber 2 and the end face of the special-shaped sealing gasket 14, a second water passing hole 15 which is communicated with the first water passing hole 12 is formed in the special-shaped sealing gasket 14, and the second water passing holes 15 at two ends are respectively communicated with the water inlet 4 and the water outlet 5. Both ends reflection subassembly 9 all with the cavity 2 interference fit that disinfects, the special-shaped sealing pad 14 at both ends all with casing 1 interference fit, compress tightly sealed cavity 2 that disinfects with casing 1 wall through both ends reflection subassembly 9 and special-shaped sealing pad 14 for sealing connection between cavity 2 that disinfects and the casing 1 is more reliable firm. The reflecting components 9 at the two ends can adopt PTFE to realize the reflecting effect of the reflecting components 9 on the deep ultraviolet light, or adopt stainless steel polished mirror surface treatment or aluminum vacuum coating, and can realize the reflecting effect of the reflecting components 9 on the deep ultraviolet light. The two-end reflection assemblies 9 can reduce light overflow in the sterilization chamber 2, reduce light loss at two ends, increase illuminance distribution and further enhance the sterilization effect on water flow.

In this embodiment, the light source assembly 3 includes a PCB substrate 16 and led lamps 17 disposed on the PCB substrate 16, where the led lamps 17 are disposed corresponding to the light emitting holes 7 and are hermetically connected, the PCB substrate 16 is mounted on the housing 1, and the heat sink 8 is disposed outside the PCB substrate 16. The led lamp 17 is fixedly provided with a high-permeability member, and 1 or more sealing rings are arranged between the high-permeability member and the PCB substrate 16. The PCB substrate 16 may be fixedly mounted on the housing 1 by screws. The LED lamps 17 are deep ultraviolet LEDs, one or more LED lamps can be installed to meet different use scenes, preferably two LED lamps 17 uniformly arranged along the axial direction of the sterilization chamber 2 are adopted, the top end of the high-transmittance structure member faces the sterilization chamber 2, and deep ultraviolet light emitted by the LED lamps 17 enters the sterilization chamber 2.

In this embodiment, a heat conducting pad 18 is disposed between the PCB substrate 16 and the heat sink 8 for conducting heat. By providing the heat conductive pad 18, the heat radiation efficiency of the heat radiator 8 to the light source module 3 can be improved.

In this embodiment, the outer side surface of the radiator 8 is provided with a plurality of heat dissipation ribs 19, and the heat dissipation ribs 19 make the temperature transmission on the radiator 8 more uniform, so that the temperature of the radiator 8 is reduced more rapidly. In other embodiments, heat sink 8 may be heat-dissipating with thermally conductive silicone grease, as well as other thermally good interface materials.

In this embodiment, the housing 1 includes a main housing 20 and an end cap 21 screwed on one end of the main housing 20, the water outlet 5 is disposed in the end cap 21, the water inlet 4 is disposed on one end of the main housing 20 far away from the end cap 21, and the main housing 20 is provided with a mounting hole 22 corresponding to the led lamp 17.

In this embodiment, a clamping block is disposed on the radiator 8, a clamping groove corresponding to the clamping block is disposed on the housing 1, and the radiator 8 is fixed on the housing 1 through the clamping of the clamping block in the clamping groove. The fixing method of the radiator 8 and the housing 1 is not limited to the fastening method, and may be any other method such as screw connection, adhesion, or ultrasonic welding.

The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.

Claims

1. An overcurrent type sterilization and disinfection module, which is characterized in that: including casing, cavity and the light source subassembly disinfect, casing one end sets up the water inlet, and the other end sets up the delivery port, disinfect the cavity set up in the casing, disinfect the both ends of cavity respectively with the water inlet with the delivery port intercommunication, disinfect the cavity inner wall and be provided with the reflection stratum, disinfect the cavity lateral wall be provided with run through the light-emitting hole of reflection stratum, the light source subassembly set up in disinfect the cavity outside and shutoff the light-emitting hole, the light source subassembly emit deep ultraviolet light and pass through the light-emitting hole shine in disinfect in the cavity.

2. The over-flow sterilization and disinfection module of claim 1, wherein: the radiator is arranged on the outer side of the light source assembly and used for radiating the light source assembly, and the radiator is arranged on the shell.

3. The over-flow sterilization and disinfection module of claim 1, wherein: the two ends of the sterilization chamber are respectively provided with a reflection assembly made of reflection materials, the reflection assembly comprises a cylindrical part and an annular part fixedly arranged on the periphery of the cylindrical part, a first water passing hole is arranged in the cylindrical part, one end of the cylindrical part is inserted into the sterilization chamber and is in sealing connection with the sterilization chamber through an O-shaped ring, the other end of the cylindrical part is inserted into a stepped hole in a special-shaped sealing gasket and is in sealing connection with the shell through the special-shaped sealing gasket, the cylindrical part is inserted into one end of the sterilization chamber and forms a step with the inner wall of the sterilization chamber, the annular part is arranged between the end face of the sterilization chamber and the end face of the special-shaped sealing gasket, the special-shaped sealing gasket is provided with a second water passing hole communicated with the first water passing hole, and the second water passing holes at two ends are respectively communicated with the water inlet and the water outlet.

4. The over-flow sterilization and disinfection module of claim 2, wherein: the light source assembly comprises a PCB substrate and LED lamps arranged on the PCB substrate, the LED lamps are correspondingly arranged with the light emitting holes and are in sealing connection, the PCB substrate is arranged on the shell, and the radiator is arranged on the outer side of the PCB substrate.

5. The over-flow sterilization and disinfection module of claim 4, wherein: and a heat conducting pad is arranged between the PCB substrate and the radiator and is used for conducting heat.

6. The over-flow sterilization and disinfection module of claim 2, wherein: and a plurality of radiating ribs are arranged on the outer side surface of the radiator.

7. The over-flow sterilization and disinfection module of claim 4, wherein: the shell comprises a main shell body and an end cover which is arranged at one end of the main shell body in a threaded manner, the water outlet is arranged in the end cover, the water inlet is arranged at one end, far away from the end cover, of the main shell body, and the main shell body is provided with a mounting hole corresponding to the led lamp.

8. The over-flow sterilization and disinfection module of claim 2, wherein: the radiator is provided with a clamping block, the shell is provided with a clamping groove corresponding to the clamping block, and the radiator is fixed on the shell through clamping of the clamping block in the clamping groove.