WO2021073028A1

WO2021073028A1 - Flow-through sterilization device

Info

Publication number: WO2021073028A1
Application number: PCT/CN2020/077729
Authority: WO
Inventors: 慕永刚; 武帅; 周德保
Original assignee: 青岛杰生电气有限公司
Priority date: 2019-10-14
Filing date: 2020-03-04
Publication date: 2021-04-22

Abstract

Disclosed is a flow-through sterilization device, comprising a housing having a water inlet and a water outlet, and a sterilization cylinder disposed inside the housing. An LED lamp assembly is provided at the bottom of the sterilization cylinder; the LED lamp assembly and the sterilization cylinder enclose a sterilization cavity; a reflector is provided at the top of the sterilization cavity; a water flow passage is formed between the housing and the sterilization cylinder; and the water inlet, the water flow passage, the sterilization cavity, and the water outlet are connected in sequence. The deep ultraviolet light emitted by the LED lamp assembly is incident into the sterilization cavity to sterilize the water flowing through the sterilization cavity; and the reflector reflect the deep ultraviolet light in the sterilization cavity, so that the deep ultraviolet light can repeatedly act on the water flow to further enhance the sterilization effect on the water flow. In addition, the reflector disposed on the top of the sterilization cavity can reflect the deep ultraviolet light downward into the sterilization cavity, such that dead corners in the sterilization cavity can be effectively sterilized.

Description

Overflow type sterilization and disinfection device

Technical field

The invention relates to a pipeline dynamic water sterilization and disinfection equipment, in particular to an over-flow type sterilization and disinfection device.

Background technique

With the rapid development of modern society and economy, water pollution is becoming more and more serious, and people's worries about water safety are also increasing day by day. At present, deep-ultraviolet sterilization of flowing water has been widely used, but limited by the flow path length of the flowing water, the sterilization requirements are often not met, and the sterilization is incomplete. The existing solutions mostly achieve the sterilization requirements by extending the length of the water pipe to extend the length of the water flow path, or increasing the power of the LED, or extending the sterilization time.

technical problem

The method of extending the length of the water pipe will increase the size of the equipment, which is not conducive to the compact and miniaturization of the equipment; the method of increasing the LED power will increase the energy consumption of the equipment, which is not conducive to energy saving; the method of extending the sterilization time reduces the sterilization efficiency and leads to a poor user experience .

Technical solutions

In view of this, one of the objectives of the present invention is to provide an over-current sterilization and disinfection device, through the "gourd-type" sterilization cavity structure connected in series inside the sterilization cylinder, the deep ultraviolet light emitted by the LED lamp assembly is opposed to the inside of the sterilization cylinder. The water stream is sterilized step by step to improve the sterilization effect and efficiency.

Another object of the present invention is to provide a water purification pipeline with the above-mentioned over-flow sterilization and disinfection device, which can effectively improve the water purification pipeline without increasing the length or diameter of the water purification pipeline. The sterilization effect of the water in the road.

Another object of the present invention is to provide a water purification device, which includes the above-mentioned water purification pipeline, to improve the sterilization effect and sterilization efficiency of the water purification device, and to improve the user experience.

In order to achieve the above-mentioned purpose of the invention, the present invention adopts the following technical solutions to achieve:

An overflow type sterilization and disinfection device, which is characterized in that it comprises:

Shell, which has a water inlet and a water outlet;

A sterilization cylinder, which is arranged inside the housing, and a sterilization cavity is formed inside the sterilization cylinder;

LED lamp assembly, which is arranged in the sterilization cavity;

The reflecting plate is arranged on the top of the sterilization cavity;

Wherein, the deep ultraviolet light emitted by the LED lamp assembly is injected into the sterilization cavity, and the reflecting plate reflects the deep ultraviolet light;

A water flow channel is formed between the housing and the sterilization cylinder, and the water inlet, the water flow channel, the sterilization cavity, and the water outlet are connected in sequence.

Further, a plurality of sterilization cavities connected in series are formed inside the sterilization cylinder along its length direction, and the LED lamp assembly is arranged in the sterilization cavity on the side close to the water inlet.

Further, the cross-sectional shape of the sterilization cavity along the length direction of the sterilization cylinder is arc-shaped, and the diameter of the intersection of two adjacent sterilization cavities is smaller than the maximum diameter of any one of the sterilization cavities.

Further, the sterilization barrel includes a sterilization barrel main body and a flange, the sterilization cavity is formed in the sterilization barrel body, and the flange is hermetically connected to the sterilization cavity on the side close to the water inlet, and the LED The lamp assembly is fixedly connected with the flange.

Further, a first flowing water cavity is formed between the flange and the housing, and the first flowing water cavity is in communication with the water inlet; a second flowing water cavity is formed between the sterilization cylinder body and the housing , The second flowing water cavity is in communication with the first flowing water cavity; the sterilization cylinder body is provided with a plurality of water through holes penetrating the peripheral wall of the sterilization cylinder body, and the water through holes are connected to the side close to the water inlet The sterilization cavity is in communication; the first flowing water cavity, the second flowing water cavity, and a plurality of the water through holes constitute the flowing water channel.

Further, the outer circumferential surface of the sterilization cylinder body includes a first outer circumferential surface, a second outer circumferential surface, and an outer circumferential stepped surface connecting the first outer circumferential surface and the second outer circumferential surface. The diameter of the first outer circumferential surface Smaller than the diameter of the second outer circumferential surface, the first outer circumferential surface is provided with the water through hole; the second flowing water cavity is formed between the first outer circumferential surface and the inner circumferential surface of the housing, so The second outer peripheral surface is in sealed connection with the inner peripheral surface of the housing.

Further, the shell includes a shell body and an end cover sealedly connected with the shell body, the shell body is provided with the water inlet, and the end cover is provided with the water outlet.

Further, the inner peripheral surface of the housing body is provided with a plurality of ribs extending along the length direction of the housing body, the first outer peripheral surface is correspondingly provided with a plurality of first grooves, and the flange A plurality of second grooves are correspondingly provided on the outer circumferential surface, the first grooves are in communication with the second grooves, and the ribs are simultaneously clamped in the first grooves and the second grooves In; the water through hole is provided between two adjacent first grooves.

Further, the LED lamp assembly includes a base, and a third groove is provided on the outer peripheral wall of the base; the insertion rib and the convex rib are also inserted in the third groove.

Further, the LED lamp assembly further includes a vortex and a motor connected to the turbine, the turbine is arranged on the base, the turbine rotates under the action of the water flow, and the motor communicates with the LED through a line. The lights are electrically connected.

Further, the top of the sterilization cylinder is provided with a recessed portion, the outer peripheral edge of the reflective plate is provided on the recessed portion, the reflective plate covers the top of the sterilization cavity, and the reflective plate is provided with openings. , The opening is in communication with the water outlet.

Beneficial effect

The top of the sterilization cavity is equipped with a reflective plate, and the LED lamp assembly is located at the bottom of the sterilization cavity. The deep ultraviolet light emitted by the LED lamp is injected into the sterilization cavity to sterilize and sterilize the water flowing through the sterilization cavity. The deep ultraviolet light plays a reflective role, so that the deep ultraviolet light can repeatedly act on the water flow to further enhance the sterilization and disinfection effect on the water flow. In addition, since the reflector is arranged on the top of the sterilization cavity, it can reflect deep ultraviolet light downward into the sterilization cavity, and can effectively sterilize and sterilize the dead corners in the sterilization cavity. .

Description of the drawings

Figure 1 is a schematic diagram of the explosive structure of the first embodiment of the flow-through sterilization and disinfection device of the present invention;

2 is a schematic cross-sectional structure diagram of Embodiment 1 of the flow-through sterilization and disinfection device of the present invention;

3 is a schematic structural diagram of the body of the sterilization cylinder according to the first embodiment of the flow-through sterilization and disinfection device of the present invention;

4 is a schematic diagram of the structure of an LED lamp assembly according to an embodiment of the flow-through sterilization and disinfection device of the present invention;

5 is a schematic cross-sectional structure diagram of an LED lamp assembly according to an embodiment of the flow-through sterilization and disinfection device of the present invention;

6 is a schematic structural diagram of a housing body of Embodiment 1 of an overflow type sterilization and disinfection device of the present invention;

7 is a schematic cross-sectional structure diagram of the housing body of the first embodiment of the flow-through sterilization and disinfection device of the present invention;

FIG. 8 is a schematic structural view of the casing body of the embodiment one of the overflow type sterilization and disinfection device of the present invention from another perspective;

Figure 9 is a schematic diagram of the explosive structure of the second embodiment of the flow-through sterilization and disinfection device of the present invention;

10 is a schematic cross-sectional structure diagram of Embodiment 2 of the flow-through sterilization and disinfection device of the present invention;

11 is a schematic cross-sectional structure diagram at another position of Embodiment 2 of the flow-through sterilization and disinfection device of the present invention;

12 is a schematic cross-sectional structure diagram of the body of the sterilization cylinder in the second embodiment of the flow-through sterilization and disinfection device of the present invention;

13 is a schematic diagram of the structure of the flange of the second embodiment of the flow-through sterilization and disinfection device of the present invention;

14 is a schematic diagram of the structure of the LED lamp assembly of the second embodiment of the flow-through sterilization and disinfection device of the present invention;

15 is a schematic diagram of a cross-sectional structure of an LED lamp assembly according to Embodiment 2 of the overflow type sterilization and disinfection device of the present invention.

Among them, 001-overflow sterilization and disinfection device; 100-housing, 110-housing body, 111-water inlet, 112-raising rib, 113-supporting rib, 114-housing body wiring hole, 120-end cover, 121- Outlet, 122-end cover cavity; 200-sterilization barrel, 210-sterilization barrel body, 211-sterilization cavity, 2111-lower sterilization cavity, 2112-upper sterilization cavity, 212-annular groove, 213-first groove , 214- water hole, 215- first outer peripheral surface, 216- second outer peripheral surface, 217- outer peripheral step surface, 218- first recess, 219- recess, 220- flange, 221- flange bottom plate, 222 -Flange vertical part, 223-flange through hole, 224-second groove, 225-flange groove; 300-LED lamp assembly, 310-base, 311-base wiring hole, 312-section Three grooves, 313-second recess, 320-mounting substrate, 330-LED light, 340-transparent cover, 350-protective cover, 360-wire, 370-turbine, 380-motor; 400-flow channel, 410- The first water chamber, 420-the second water chamber; 500-reflector, 501-opening; 510-end cover sealing O-ring, 520-sterilization cylinder sealing O-ring, 530-flange sealing O-ring, 540 -First base sealing O-ring, 550-Second base sealing O-ring; 610-Inlet pipe, 620-Outlet pipe; 710-First sealing ring, 720-Second sealing ring, 730-No. Three sealing rings, 740-fourth sealing ring, 750-fifth sealing ring.

D0-the diameter of the intersection of the lower sterilization cavity and the upper sterilization cavity, D1-the maximum diameter of the lower sterilization cavity, and D2-the maximum diameter of the upper sterilization cavity.

The best mode of the present invention

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate directions or positions The term of relationship is based on the direction or position relationship shown in the drawings, which is only for ease of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on the invention. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

Example one

As shown in Figures 1-8, the present invention discloses an over-current sterilization and disinfection device 001, which includes a housing 100, a sterilization cylinder 200 and an LED lamp assembly 300. The housing 100 is provided with a water inlet 111 and a water outlet 121, and the sterilization cylinder 200 is set inside the housing 100, the sterilization cylinder 200 is formed with a bacteria cavity 211, the LED lamp assembly 300 is set in the sterilization cavity 211, the deep ultraviolet light emitted by the LED lamp assembly 300 is injected into the sterilization cavity 211, the housing 100 and the sterilization cylinder 200 There is a water flow channel 400 formed therebetween, and the water inlet 111, the water flow channel 400, the sterilization cavity 211, and the water outlet 121 are connected in sequence.

In order to improve the sterilization efficiency, the reflective plate 500 is further included, and the reflective plate 500 is provided on the top of the sterilization cavity 211.

A water flow channel 400 is formed between the housing 100 and the sterilization cylinder 200, and the water inlet 111, the water flow channel 400, the sterilization cavity 211, and the water outlet 121 are connected in sequence. When the water flowing in from the water inlet 111 flows through the sterilization cavity 211, the deep ultraviolet light emitted by the LED lamp assembly 300 will sterilize the water flow in the sterilization cavity 211. At the same time, the reflective plate 500 reflects the deep ultraviolet light in the sterilization cavity 211, so that the deep ultraviolet light can repeatedly act on the water flow, so as to further enhance the sterilization and disinfection effect on the water flow. In addition, since the reflector 500 is disposed on the top of the sterilization cavity 211, it can reflect deep ultraviolet light downward into the sterilization cavity 211, and can effectively sterilize and sterilize the dead corners in the sterilization cavity 211.

The reflector 500 can be treated with a polished stainless steel mirror surface to achieve its reflection of deep ultraviolet light, or the reflector 500 can be made of PTFE, ETFE, FEP, PFA, etc., or aluminum can be arranged on the side of the reflector 500 facing the sterilization cavity 211 High-quality vacuum coating can realize the reflection effect of the reflector 500 on deep ultraviolet light and improve the sterilization effect.

Most of the sterilization cylinders on the current market use quartz glass to reflect deep ultraviolet light. The quartz glass components are easily broken during transportation and installation, and lose the reflection of deep ultraviolet light. The sterilization effect is reduced. In this solution, the sterilization cylinder 200 and the reflector 500 do not use quartz glass components, which avoids a series of drawbacks caused by the quartz glass and improves the reliability of the product.

The housing 100 includes a housing body 110 and an end cover 120 hermetically connected to the housing body 110. The housing body 110 is a cylindrical structure with a hollow cavity inside. One end of the housing body 110 (defined as its bottom end) is provided with a water inlet 111 , The other end (defined as its upper end) of the housing body 110 is open, the end cover 120 and the upper end of the housing body 110 are hermetically connected, and the end cover 120 is provided with a water outlet 121. The end cover 120 and the housing body 110 are screwed to achieve a fixed connection between them.

The sterilization barrel 200 includes a sterilization barrel body 210, and the sterilization barrel body 210 is also a cylindrical structure, and a sterilization cavity 211 is formed in the sterilization barrel body 210. The LED lamp assembly 300 is installed at the bottom of the sterilization cylinder 200, and the reflector 500 is installed at the top of the sterilization cylinder 200. The outer peripheral wall of the sterilization cylinder 200 is provided with a first groove 1213, and the first groove 1213 extends along the axial direction of the sterilization cylinder 200. Correspondingly, the LED lamp assembly 300 includes a base 310, a mounting substrate 320 fixedly arranged on the base 310, and an LED lamp 330 fixedly arranged on the mounting substrate 320. The base 310 is fixedly sleeved with a transparent cover 340, which is transparent. The cover 340 and the base 310 are sealed by a first base sealing O-ring 540, a closed space is formed between the transparent cover 340 and the base 310, and the LED lamp 330 is located in the closed space.

Further, a protective cover 350 is sheathed on the outer periphery of the transparent cover 340, the bottom end of the protective cover 350 is fixedly clamped with the base 310 through a hook (not shown), the upper end of the protective cover 350 has an opening, and the top end of the transparent cover 340 is from The opening is exposed to ensure the emission of deep ultraviolet light. The protective cover 350 protects the transparent cover 340.

The outer peripheral wall of the base 310 is provided with a third groove 312, and the first groove 312 and the third groove 121 are directly opposite to each other. A convex rib 112 is provided on the inner peripheral wall of the housing body 110, and the convex rib 112 extends along the axial direction of the housing body 110. After assembly, the ribs 112 are inserted into the first groove 1213 and the third groove 312 at the same time, so as to realize the fixed connection between the housing body 110, the sterilization cylinder 200, and the base 310.

A first flowing water cavity 410 is formed between the bottom surface of the housing body 110 and the lower bottom surface of the base 310, and a second flowing water cavity 420 is formed between the outer peripheral wall of the sterilization cylinder 200 and the inner peripheral wall of the housing body 110, specifically the first outer peripheral surface 215 A second water flow cavity 420 is formed between the inner peripheral wall of the housing body 110, and the sterilization cylinder 200 is provided with a plurality of water passage holes 214, specifically, a plurality of water passage holes 214 are provided on the first outer peripheral surface 215, and the water passage holes 214 are provided. It communicates with the second flowing water cavity 420 and the sterilization cavity 211. The first flowing water cavity 410, the second flowing water cavity 420, and the water through hole 214 form a flowing water channel 400. The water flowing in from the water inlet 111 first enters the first flowing water cavity 410, and then passes through the second flowing water cavity 420 and the water through hole 214. It enters the sterilization cavity 211, and after sufficient sterilization is performed in the sterilization cavity 211, it flows out from the water outlet 121.

In addition, the multiple support ribs 113 arranged at even intervals are equivalent to dividing the first water flow cavity 410 equally, so that the water entering the first water flow cavity 410 can evenly flow into the second water flow cavity 420, thereby making it flow into the sterilization chamber. The water flow in the cavity 211 is more uniform, which helps to improve the uniformity of sterilization. At the same time, the agitation and shunting effect of the multiple supporting ribs 113 on the water flow in the first water flow cavity 420 reduces the water flow speed, thereby reducing the water flow into the sterilization cavity 211, which can prolong the residence time of the water flow in the sterilization cavity 211 , Extend the action time between water flow and deep ultraviolet light, and improve the sterilization effect.

The top of the sterilization cylinder 200 is provided with a recess 219, the outer peripheral edge of the reflector 500 is provided on the recess 219, the upper surface of the reflector 500 and the top end surface of the sterilization cylinder 200 are on the same plane, so that the reflector 500 and the sterilization cylinder The top surface of 200 can abut against the end cover 120 at the same time, so that the sterilization cylinder 200 and the reflecting plate 500 are assembled in the housing 100 more reliably. The reflective plate 500 covers the top of the sterilization cavity 211 to enhance its reflection of deep ultraviolet light in the sterilization cavity 211. The reflective plate 500 is provided with an opening 501, and the opening 501 is connected to the water outlet 121, so that the water in the sterilization cavity 211 can flow out through the opening 501 and the water outlet 121.

Between the sterilization cylinder 200 and the housing body 110, the outer surface of the second outer peripheral surface 216 is provided with an annular groove 212 at a lower position, and an annular groove 212 is provided at an upper position. The annular groove 212 is connected to the housing body 110. A first sealing ring 710 is provided between the inner peripheral walls, and a second sealing ring 720 is provided between the annular groove 212 and the inner peripheral wall of the housing body 110. Between the sterilization barrel 200 and the end cover 120, a first recess 218 is provided on the top end surface of the sterilization barrel 200, and a third sealing ring 730 is provided between the first recess 218 and the end cover 120. Between the base 310 and the sterilization cylinder 200, a second recess 313 is provided on the outer peripheral wall of the base 310, and a fourth sealing ring 740 is provided between the second recess 313 and the inner peripheral wall of the sterilization cylinder 200.

Example two

As shown in Figures 9-15, based on the first embodiment above, the difference is that a plurality of sterilization chambers 211 are formed in the sterilization cylinder 200 along its length, and the LED lamp assembly 300 is provided in the sterilization chamber near the water inlet 111. Within 211.

When the water flowing in from the water inlet 111 flows through the inside of the sterilization cylinder 200, the water flow will sequentially flow through the multiple sterilization chambers 211 in series. The multiple sterilization chambers 211 achieve multi-stage sterilization and disinfection. The sterilized water will then pass through the water outlet. 121 outflow. The series-connected sterilization chamber 211 can effectively improve the sterilization effect, and realize all-round sterilization without dead ends.

The inside of the sterilization barrel is formed with multiple sterilization cavities in series along its length. The deep ultraviolet light emitted by the LED lamp assembly is injected into the sterilization cavity, and the water flowing in from the water inlet flows through the inside of the sterilization barrel through multiple sterilization cavities. Multi-stage sterilization and disinfection, and then flow out from the water outlet. The serial sterilization chamber can effectively improve the sterilization effect, and achieve all-round sterilization without dead ends

As a preferred embodiment, the cross-sectional shape of the sterilization cavity 211 along the length of the sterilization cylinder 200 is arc-shaped, and the diameter of the intersection of two adjacent sterilization cavities 211 is smaller than the maximum diameter of any sterilization cavity 211. In other words, for a single sterilization cavity 211, the arc cross section inside the sterilization cavity 211 can make the deep ultraviolet light emitted by the LED lamp assembly 300 be reflected multiple times on the inner wall of the sterilization cavity 211, and the multiple reflected deep ultraviolet light can be reflected on the inner wall of the sterilization cavity 211. Light helps to improve the sterilization effect and sterilize more thoroughly. The multiple sterilization chambers 211 connected in series form a gourd-like sterilization space, forming a multi-stage sterilization form, which helps to further improve the sterilization effect. At the same time, when the water stream flows through the multiple sterilization chambers 211 in sequence, the water stream rotates and advances in the series of gourd-shaped sterilization spaces, so that the time for the deep ultraviolet light to act on the water stream is prolonged, and the sterilization is more thorough.

The number of sterilization cavities 211 in this embodiment is preferably two. The sterilization cavity near the water inlet 111 is defined as the lower sterilization cavity 2111, and the sterilization cavity near the water outlet 121 is defined as the upper sterilization cavity 2112 and the lower sterilization cavity 2111. It is a bowl-shaped structure similar to an inverted button, and the upper sterilization cavity 2112 is a bowl-shaped structure similar to an upright. The diameter of the intersection of the lower sterilization cavity 2111 and the upper sterilization cavity 2112 is marked as D0, the maximum diameter of the lower sterilization cavity 2111 is marked as D1, the maximum diameter of the upper sterilization cavity 2112 is marked as D2, D0 is smaller than D1, and D0 is smaller than D2. Preferably, D1 is equal to D2, so that the reflection of deep ultraviolet light in the lower sterilization cavity 2111 and the upper sterilization cavity 2112 is more uniform, and the sterilization effect is more uniform. In other embodiments, the number of sterilization chambers 211 can be set in multiples according to factors such as sterilization requirements and water flow path length.

The sterilization barrel 200 includes a sterilization barrel body 210 and a flange 220. The sterilization barrel body 210 also has a cylindrical structure. A plurality of sterilization chambers 211 connected in series are formed along the length of the sterilization barrel body 210, and two adjacent sterilization chambers 211 are connected. . In this embodiment, the inside of the sterilization cylinder body 210 is provided with a lower sterilization cavity 2111 and an upper sterilization cavity 2112 communicating with each other along its length direction, and the flange 220 and the lower sterilization cavity 2111 are hermetically connected. The LED lamp assembly 300 is fixedly connected to the flange 220. The LED lamp assembly 300 is located in the lower sterilization cavity 2111. The deep ultraviolet light emitted by the LED lamp assembly 300 will be injected into the lower sterilization cavity 2111 and the upper sterilization cavity 2112, thereby realizing the internal water flow. Disinfection.

The top end of the transparent cover 340 faces the lower sterilization cavity 2111, and the deep ultraviolet light emitted by the LED lamp 330 is injected into the lower sterilization cavity 2111 and the upper sterilization cavity 2112 through the transparent cover 340.

In this embodiment, the outer peripheral wall of the end cover 120 is provided with an end cover groove (not marked) along its circumferential direction, an end cover sealing O-ring 510 is clamped in the end cover groove, and an end cover sealing O-ring 510 The squeezed confinement is located between the inner peripheral wall of the housing body 110 and the end cover groove, thereby achieving a sealed connection between the end cover 120 and the housing body 110.

The end cover 120 is provided with an end cover cavity 122. The lower end surface of the end cover 120 abuts against the upper end surface of the sterilization cylinder body 210. The end cover cavity 122 is in communication with the upper sterilization cavity 2112, which helps to extend the water flow at the water outlet 121 The rotating flow time further increases the sterilization effect.

The flange 220 includes a flange bottom plate 221 and a flange vertical portion 222. The outer peripheral wall of the flange vertical portion 222 is provided with a flange groove 225 along its circumferential direction, and a flange seal is clamped in the flange groove 225. O-ring 530, flange sealing The O-ring 530 is squeezed and confined between the flange vertical portion 222 and the inner peripheral wall of the lower sterilization cavity 2111 to achieve a sealed connection between the flange 220 and the lower sterilization cavity 2111. The lower end surface of the sterilization cylinder body 210 abuts on the upper surface of the flange bottom plate 221. The bottom surface of the housing body 110 is provided with a plurality of supporting ribs 113 evenly spaced apart, the flange bottom plate 221 abuts on the supporting ribs 113, and the supporting ribs 113 support the flange 220. The upper end of the sterilization cylinder 200 is restricted by the end cover 120, and the lower end is restricted by the support ribs 113, so that the sterilization cylinder 200 is more stable inside the housing 100 and not easy to move up and down.

A first flowing water cavity 410 is formed between the flange 220 and the housing 100, and the first flowing water cavity 410 is in communication with the water inlet 111; a second flowing water cavity 420 is formed between the sterilization cylinder body 210 and the housing 100, and the second flowing water cavity 420 is connected to The first flow water cavity 410 is connected; the sterilization cylinder body 210 is provided with a plurality of water passage holes 214 penetrating the peripheral wall of the sterilization cylinder body 210, and the water passage holes 214 are in communication with the sterilization cavity 211 on the side close to the water inlet 111; the first flow water cavity 410, The second water flow cavity 420 and a plurality of water through holes 214 constitute the water flow channel 400.

Specifically, a first water flow cavity 410 is formed between the flange bottom plate 221 and the bottom surface of the housing body 110, and the first water flow cavity 410 is in communication with the water inlet 111 provided on the bottom surface of the housing body 110. A second flowing water cavity 420 is formed between the outer peripheral wall of the sterilization cylinder body 210 and the inner peripheral wall of the housing body 110, and the second flowing water cavity 420 is in communication with the first flowing water cavity 410. Here, preferably, the outer peripheral wall of the flange bottom plate 221 and the outer peripheral wall of the sterilization cylinder body 210 are on the same circumferential surface, so as to prevent the flange bottom plate 221 from affecting the smoothness of water flow in the second water chamber 420. One side of the water through hole 214 is in communication with the lower sterilization cavity 2111, and the other side is in communication with the second flowing water cavity 420. In this way, the water flowing in from the water inlet 111 first enters the first flowing water cavity 410, then flows through the second flowing water cavity 420, the water through hole 214, the lower sterilization cavity 2111 and the upper sterilization cavity 2114 in turn, and finally flows out from the water outlet 121 .

In addition, the plurality of support ribs 113 arranged at even intervals is equivalent to dividing the first water flow cavity 410 equally, so that the water entering the first water flow cavity 410 can evenly flow into the second water flow cavity 420, thereby making it flow into the lower water cavity. The water flow in the sterilization cavity 2111 is more uniform, which helps to improve the uniformity of sterilization.

Further, the outer peripheral wall of the sterilization cylinder body 210 further includes an outer peripheral stepped surface 217 connecting the first outer peripheral surface 215 and the second outer peripheral surface 216. The diameter of the first outer peripheral surface 215 is smaller than the diameter of the second outer peripheral surface 216. A water hole 214 is provided on the 215. A second water flow cavity 420 is formed between the first outer peripheral surface 215 and the inner peripheral surface of the housing body 110. The upper and lower ends of the second outer peripheral surface 216 are respectively provided with an annular groove 212, in which a sterilization cylinder sealing O-ring 520 is clamped, and the sterilization cylinder sealing O-ring 520 is squeezed and confined in the annular groove 212 and the housing body 110 Between the inner peripheral walls of the housing, thereby achieving a sealed connection between the sterilization cylinder body 210 and the housing body 110.

Further, the outer peripheral wall of the bottom of the base 310 is provided with an external thread (not marked), the flange 220 is penetrated with a flange through hole 223, and the inner peripheral wall of the flange through hole 223 is provided with an internal thread. The screw connection of the internal thread fixes the base 310 to the flange 220. The position where the base 310 abuts against the upper end surface of the flange vertical surface 222 is provided with a second base sealing O-ring 550 to prevent the water in the first flowing water cavity 410 from directly entering the lower sterilization cavity 2111 therethrough.

Further, the LED light 330 is connected with a wire 360, the base 310 is provided with a base wiring hole 311, the base wiring hole 311 is connected to the flange through hole 223, and the housing body 110 is provided with a housing body wiring on the bottom surface Through the hole 114, the wire 360 passes through the wiring hole 311 of the base and the wiring hole 114 of the housing body, so that the external power supply can supply power to the LED lamp 330.

The sealing O-ring 520 of the sterilization cylinder at the lower part can prevent the water in the second flowing water cavity 420 from entering between the second outer peripheral surface 216 of the sterilization cylinder body 210 and the housing body 110; the sealing O-ring 520 of the sterilization cylinder at the upper part can prevent The water overflowing from the abutment between the upper end of the sterilization cylinder body 210 and the lower end of the end cover 120 enters between the sterilization cylinder body 210 and the housing body 110.

Furthermore, the inner peripheral wall of the housing body 110 is provided with a plurality of convex ribs 112 extending along the length direction of the housing body 110, and the convex ribs 112 and the supporting ribs 113 are arranged in a staggered manner. A plurality of first grooves 213 are correspondingly provided on the first outer circumferential surface 215, and a plurality of second grooves 224 are correspondingly provided on the outer circumferential surface of the flange bottom plate 221. The first grooves 213 are connected with the second grooves 224, and the convex The ribs 112 are simultaneously clamped in the first groove 213 and the second groove 224 to achieve a fixed connection between the sterilization cylinder 200 and the housing body 110 and prevent relative rotation between the sterilization cylinder 200 and the housing body 110. In addition, the outer circumferential stepped surface 217 abuts against the upper end surface of the convex rib 112, and the convex rib 112 also supports the sterilization cylinder body 210 to a certain extent. The water passage hole 214 is provided between the two adjacent first grooves 213 to ensure that the water in the second water flow cavity 420 can smoothly flow into the lower sterilization cavity 2111 through the water passage hole 214.

In any of the above embodiments, the material of the sterilization cylinder body 210 is preferably PTFE, which helps to enhance the reflection of deep ultraviolet light inside the sterilization cavity, and enhance the sterilization effect through multiple reflections.

In other embodiments, by providing aluminum vacuum coating on the inner wall of the sterilization cavity 211, the reflection effect of deep ultraviolet light can also be achieved.

In this embodiment, an end cover sealing O-ring 510, two sterilizing cylinder sealing O-rings 520, a flange sealing O-ring 530, a first base sealing O-ring 540, and a second base sealing O-ring 550 Realize the multi-stage sealing of the over-flow sterilization and disinfection device 001, and improve the sealing performance.

Further, for the LED lamp assembly 300, the power supply mode can be directly powered by a conventional external power source, or can be powered by self-generation. The LED lamp assembly 300 also includes a turbine 370 and a motor 380. The turbine 370 is located at the power shaft end of the motor 380. The motor 380 is fixed on the base 310. The turbine 370 rotates under the action of water flow. 330 electrical connection. Specifically, the water flowing from the water inlet 111 into the first flowing water cavity 410 has a certain impact on the turbine 370, causing the turbine 370 to rotate, and the turbine 370 will drive the motor 380 to run, and then convert it into electrical energy. The electrical energy is supplied to the LED lamp by the motor 380. 330, to supply power to the LED light 330. Self-powered by the turbine 370, the normal operation of the LED lamp assembly 300 can be realized without external power supply, and the problem of poor sealing performance caused by an external power supply is avoided.

The present invention also discloses a water purification pipeline, which includes a water inlet pipeline 610 and a water outlet pipeline 620. The overflow type sterilization and disinfection device 001 disclosed in the above embodiment is arranged between the inlet pipeline 610 and the outlet pipeline 620, and the inlet The water port 111 is connected with the water inlet pipe 610, and the water outlet 121 is connected with the water outlet pipe 620, so as to achieve efficient sterilization of the water flow inside the water purification pipe 600. In this embodiment, the water outlet pipe 620 is preferably a gooseneck faucet structure.

The present invention also discloses a water purification device, including the water purification pipeline disclosed in this embodiment, to improve the sterilization effect of the water purification device and user experience.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions recorded in the foregoing embodiments are modified, or some of the technical features thereof are equivalently replaced; these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

An overflow type sterilization and disinfection device, which is characterized in that it comprises:

Shell, which has a water inlet and a water outlet;

A sterilization cylinder, which is arranged inside the housing, and a sterilization cavity is formed inside the sterilization cylinder;

LED lamp assembly, which is arranged in the sterilization cavity;

The reflecting plate is arranged on the top of the sterilization cavity;

Wherein, the deep ultraviolet light emitted by the LED lamp assembly is injected into the sterilization cavity, and the reflecting plate reflects the deep ultraviolet light;

A water flow channel is formed between the housing and the sterilization cylinder, and the water inlet, the water flow channel, the sterilization cavity, and the water outlet are connected in sequence.
The over-flow sterilization and disinfection device according to claim 1, wherein a plurality of sterilization cavities in series are formed inside the sterilization cylinder along its length, and the LED lamp assembly is arranged on the side close to the water inlet Inside the sterilization cavity.
The over-flow sterilization and disinfection device according to claim 2, characterized in that:

The cross-sectional shape of the sterilization cavity along the length direction of the sterilization cylinder is arc-shaped, and the diameter of the intersection of two adjacent sterilization cavities is smaller than the maximum diameter of any one of the sterilization cavities.
The over-flow sterilization and disinfection device according to claim 3, characterized in that:

The sterilization barrel includes a sterilization barrel body and a flange, the sterilization cavity is formed in the sterilization barrel body, the flange is sealed to the sterilization cavity near the water inlet side, and the LED lamp assembly is connected to the sterilization cavity. The flange is fixedly connected.
The over-flow sterilization and disinfection device according to claim 4, characterized in that:

A first water flow cavity is formed between the flange and the housing, and the first water flow cavity is in communication with the water inlet;

A second flowing water cavity is formed between the sterilization cylinder body and the housing, and the second flowing water cavity is in communication with the first flowing water cavity;

The sterilization cylinder body is provided with a plurality of water passage holes penetrating through the peripheral wall of the sterilization cylinder body, and the water passage holes communicate with the sterilization cavity on the side close to the water inlet;

The first flowing water cavity, the second flowing water cavity, and a plurality of the water through holes constitute the flowing water channel.
The over-flow sterilization and disinfection device according to claim 4, characterized in that:

The outer circumferential surface of the sterilization cylinder body includes a first outer circumferential surface, a second outer circumferential surface, and an outer circumferential stepped surface connecting the first outer circumferential surface and the second outer circumferential surface. The diameter of the first outer circumferential surface is smaller than that of the The diameter of the second outer circumferential surface, the first outer circumferential surface is provided with the water through hole;

The second flowing water cavity is formed between the first outer circumferential surface and the inner circumferential surface of the casing, and the second outer circumferential surface is in sealed connection with the inner circumferential surface of the casing.
The over-flow sterilization and disinfection device according to claim 6, characterized in that:

The inner peripheral surface of the housing body is provided with a plurality of ribs extending along the length direction of the housing body, the first outer peripheral surface is correspondingly provided with a plurality of first grooves, and the outer peripheral surface of the flange Correspondingly provided with a plurality of second grooves, the first grooves communicate with the second grooves, and the convex ribs are simultaneously clamped in the first grooves and the second grooves;

The water through hole is arranged between two adjacent first grooves.
The over-flow sterilization and disinfection device according to claim 7, characterized in that:

The LED lamp assembly includes a base, and the outer peripheral wall of the base is provided with a third groove; the insertion rib and the convex rib are also inserted in the third groove.
The over-flow sterilization and disinfection device according to claim 8, characterized in that:

The LED lamp assembly further includes a vortex and a motor connected to the turbine, the turbine is arranged on the base, the turbine rotates under the action of the water flow, and the motor is electrically connected to the LED lamp through a line .
The over-flow sterilization and disinfection device according to claim 1, characterized in that:

The top of the sterilization cylinder is provided with a recess, the outer peripheral edge of the reflective plate is provided on the recess, the reflective plate covers the top of the sterilization cavity, the reflective plate is provided with an opening, the The opening is communicated with the water outlet.