CN113479967A

CN113479967A - Deep ultraviolet LED multi-light-source overflowing type sterilization device

Info

Publication number: CN113479967A
Application number: CN202110708943.XA
Authority: CN
Inventors: 苗延镇; 亓培剑; 吴化胜; 齐胜利
Original assignee: Ningbo Anxinmei Semiconductor Co ltd
Current assignee: Ningbo Anxinmei Semiconductor Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-10-08

Abstract

A deep ultraviolet LED multi-light-source overflowing type sterilization device comprises a shell, wherein a first port and a second port are arranged on the shell, and a sterilization cavity positioned between the first port and the second port is further arranged in the shell; the first port, the killing chamber and the second port are matched to form a flow channel; the sterilizing chamber is provided with a light source part for emitting deep ultraviolet rays and a light reflection part for reflecting the deep ultraviolet rays emitted by the light source part. When the water flow passes through the sterilizing chamber, the water flow can be sterilized by ultraviolet rays. The light reflection part is arranged, so that the optical path of the water flow in the sterilizing chamber is improved, the ultraviolet density in the sterilizing chamber is improved, and the sterilizing effect on the water flow is improved. The number of the sterilizing chambers can be set according to the needs, and one or more sterilizing chambers can be set to meet different sterilizing requirements.

Description

Deep ultraviolet LED multi-light-source overflowing type sterilization device

Technical Field

The invention relates to the field of sterilization devices, in particular to a deep ultraviolet LED multi-light-source overflowing type sterilization device.

Background

As a measure to reduce the risk of infection by excess microorganisms, water disinfection processes have been developed using physical or chemical disinfection techniques. Compared with other technologies, the deep ultraviolet disinfection is relatively cheap, the investment and use cost is low, the weight of a deep ultraviolet device is light, the occupied area is small, the operation is simple, and due to the performances, the deep ultraviolet disinfection is a promising technology for ensuring the safety of drinking water.

The traditional water treatment generally adopts static sterilization, namely after the sterilization treatment is carried out in a water tank, water flows into the water faucet of thousands of households, and during the period, harmful bacteria from a water pipe, a water storage tank and even the water faucet can be bred again, so that the sterility can not be ensured.

Disclosure of Invention

In order to overcome the defect that the static sterilization device in the prior art is difficult to meet the water flow sterilization requirement, the invention provides a deep ultraviolet LED multi-light-source overflowing sterilization device.

The invention adopts the following technical scheme:

a deep ultraviolet LED multi-light-source overflowing type sterilization device comprises a shell, wherein a first port and a second port are arranged on the shell, and a sterilization cavity positioned between the first port and the second port is further arranged in the shell; the first port, the killing chamber and the second port are matched to form a flow channel; the sterilizing chamber is provided with a light source part for emitting deep ultraviolet rays and a light reflection part for reflecting the deep ultraviolet rays emitted by the light source part.

Preferably, each sterilizing chamber is provided with a corresponding first access and a corresponding second access; the sterilizing cavity is internally provided with a partition part which divides the sterilizing cavity into a first cavity and a second cavity which are communicated with each other, the first cavity is communicated with the first inlet and the second inlet, and the second cavity is communicated with the second inlet and the second outlet; the direction of fluid flow in the first chamber is opposite to the direction of fluid flow in the second chamber.

Preferably, the partition part is a cylinder with two ends communicated with each other, the first end of the partition part is communicated with the first inlet and the first outlet, the inner cavity of the partition part is used as a first cavity, the periphery of the partition part is used as a second cavity, and the light source part and the light reflection part are both arranged in the second cavity.

Preferably, the first port and the second port of adjacent killing chambers are oppositely arranged on the flow passage along the flow direction of the fluid on the flow passage.

Preferably, a light-permeable waterproof part is arranged in the second chamber, the waterproof part divides the second chamber into a water area and a water-free area, the partition part and the light reflection part are both arranged in the water area, and the light source part is arranged in the water-free area.

Preferably, the light reflecting part is a cylindrical structure with the periphery attached to the side wall of the water area, and the light reflecting part and the separating part are coaxially arranged.

Preferably, still include the end cover with the chamber one-to-one that kills, anhydrous district is the open structure that uses waterproof portion as the bottom, the open mouth in anhydrous district is in order to shutoff with the detachable cooperation of casing to the end cover.

Preferably, two killing chambers are arranged in the shell, and the two end covers are respectively positioned on the upper end face and the lower end face of the shell; the left upper part of the shell is inwards sunken to form a first concave part, a first port is arranged in the first concave part, and the first port is communicated with a first inlet and a first outlet of a killing chamber; the right lower part of the shell is inwards sunken to form a second concave part, the second port is arranged in the second concave part, and the second port is communicated with a second inlet and a second outlet of the other killing chamber.

Preferably, the irradiation area of the light source part covers the intersection of the first chamber and the second chamber, and a reflective cup is further arranged in the water-free area.

Preferably, the irradiation area of the light source part covers the intersection of the first chamber and the second chamber, and a reflective cup is further arranged in the waterless area.

Preferably, the first port and the second port on the housing are adapted.

Preferably, a wiring groove is formed in the side wall of the shell, and the end cover is in threaded fit with the shell.

The invention has the advantages that:

(1) when the water flow passes through the sterilizing chamber, the water flow can be sterilized by ultraviolet rays. The light reflection part is arranged, so that the optical path of the water flow in the sterilizing chamber is improved, the ultraviolet density in the sterilizing chamber is improved, and the sterilizing effect on the water flow is improved. The number of the sterilizing chambers can be set according to the needs, and one or more sterilizing chambers can be set to meet different sterilizing requirements.

(2) The invention adopts the overflow sterilization, can perform sterilization operation while water flows out, completes sterilization at the moment when the water flow control switch is turned on, ensures that each dripping flow is clean and sterile when flowing out, and prevents secondary pollution.

(3) Through the isolation of first cavity and second cavity, realized rivers at the indoor backward flow of killing, prolonged the distance of the indoor rivers of killing to improve the dwell time of rivers in the cavity of killing, with improvement bactericidal effect.

(4) The irradiation area of the light source part covers the intersection of the first cavity and the second cavity, and high-density and high-intensity ultraviolet light is provided at the position where water flow must pass through, so that the uniformity and reliability of the water flow sterilization effect are guaranteed.

(5) The division of the water-containing area and the water-free area provides waterproof protection for the light source part, and the working safety of the light source part is ensured. The arrangement of the reflecting cup further improves the utilization efficiency of the ultraviolet light emitted by the light source part.

(6) Through the end cover that can open, guaranteed to overhaul the convenience of replacement to light source portion and anti-light cup to further guaranteed whole sterilizing equipment's maintenance convenience, be favorable to prolonging sterilizing equipment's life.

(7) The first port and the second port are respectively accommodated in the first concave portion and the second concave portion, so that the appearance of the shell is more regular and ordered, the shell can be suitable for more installation environments, and the application of the sterilization device is further facilitated.

(8) Along the flowing direction of water flow on the runner, the first inlet and the second outlet of the adjacent sterilizing chambers are reversely arranged on the runner so as to ensure the consistency of the arrangement of the sterilizing chambers inside the shell and the shell structure, thereby improving the utilization efficiency of the inner space of the shell and ensuring the regularity and stability of the shell structure. Meanwhile, the sterilization device does not need to limit the input and output directions during application, and is more rapid and convenient to install.

Drawings

FIG. 1 is a cross-sectional view of a deep ultraviolet LED multi-light source flow-through sterilization device using a cylindrical first elastic pad;

FIG. 2 is an exploded view of the deep ultraviolet LED multi-light source overflowing type sterilization device shown in FIG. 1;

FIG. 3 is a cross-sectional view of a deep ultraviolet LED multi-light source flow-through sterilization device using a first elastic pad with a special shape;

fig. 4 is a structural diagram of a shell of another deep ultraviolet LED multi-light-source overflowing type sterilization device.

1. A housing; 101. a first chamber; 1021. a water-containing zone; 1022. a water-free zone; 103. a first inlet and outlet; 104. a second inlet and outlet; 105. a first recess; 106. a second recess; 107. a wiring groove; 11. a first port; 12. a second port; 2. a light source unit; 3. a light reflection unit; 31. a first elastic pad; 32. a second elastic pad; 4. a partition portion; 41. a first elastic sleeve; 5. a waterproof section; 6. a light reflecting cup; 7. and (4) end covers.

Detailed Description

The deep ultraviolet LED multi-light-source overflowing type sterilization device comprises a shell 1, wherein a first port 11 and a second port 12 are arranged on the shell 1, and a plurality of sterilization chambers located between the first port 11 and the second port 12 are further arranged in the shell 1. The first port 11, the plurality of killing chambers and the second port 12 are communicated in series to form a flow passage. The sterilizing chamber is provided with a light source part 2 for emitting deep ultraviolet rays and a light reflection part 3 for reflecting the deep ultraviolet rays emitted by the light source part 2.

Thus, in this embodiment, the fluid may be UV sterilized as it passes through the sterilization chamber. The light reflection part 3 is arranged, so that the optical path of the fluid in the sterilizing chamber is improved, the ultraviolet density in the sterilizing chamber is improved, and the sterilizing effect on the fluid is improved.

During specific implementation, the number of the sterilizing chambers can be set according to needs so as to meet different sterilizing requirements. In a specific implementation, the first port 11 and the second port 12 of the housing 1 may be adapted. Thus, the deep ultraviolet LED multi-light-source overflowing type sterilization device can comprise a plurality of shells 1 which are connected in series in sequence, and in the adjacent shells 1, the second port 12 of the previous shell 1 is detachably connected with the first port 11 of the next shell 1. Thus, the flexibility of use of the device can be further improved.

In this embodiment, each killing chamber is provided with a corresponding first access 103 and second access 104. A partition part 4 which divides the killing chamber into a first chamber and a second chamber which are communicated is arranged in the killing chamber, the first chamber is communicated with the first inlet and outlet 103, and the second chamber is communicated with the second inlet and outlet 104; the direction of fluid flow in the first chamber is opposite to the direction of fluid flow in the second chamber. Therefore, through the isolation of the first cavity and the second cavity, the backflow of the fluid in the sterilizing cavity is realized, and the distance of the fluid in the sterilizing cavity is prolonged, so that the detention time of the fluid in the sterilizing cavity is prolonged, and the sterilizing effect is improved.

In this embodiment, the irradiation area of the light source unit 2 covers the intersection of the first chamber and the second chamber, and high-density and high-intensity ultraviolet light is provided at a position where the fluid must pass through, so that the fluid sterilization effect is ensured to be uniform and reliable.

The partition part 4 is a cylinder with two ends communicated with each other, the first end of the partition part 4 is communicated with the first inlet/outlet 103, the inner cavity of the partition part 4 is used as a first chamber, the periphery of the partition part 4 is used as a second chamber, and the light source part 2 and the light reflection part 3 are both arranged in the second chamber. In this way, an end of the partition portion 4 facing away from the first inlet/outlet 103 serves as an intersection of the first chamber and the second chamber, that is, an end of the partition portion 4 facing away from the first inlet/outlet 103 is located in the irradiation region of the light source portion 2.

The second chamber is internally provided with a light-permeable waterproof part 5, the second chamber is divided into a water area 1021 and a water-free area 1022 by the waterproof part 5, the partition part 4 and the light reflection part 3 are both arranged in the water area 1021, the light source part 2 is arranged in the water-free area 1022, and the water-free area 1022 is also internally provided with a light reflecting cup 6. Thus, the first chamber is communicated with the second chamber, and actually the first chamber is communicated with the water area 1021. The division of the water-containing region 1021 and the water-free region 1022 provides water-proof protection for the light source unit 2, and ensures the working safety of the light source unit 2. The arrangement of the light reflecting cup 6 further improves the utilization efficiency of the ultraviolet light emitted by the light source part 2.

In the present embodiment, the light reflection unit 3 is a cylindrical structure with an outer periphery bonded to the side wall of the water containing section 1021, and specifically, a teflon tube is used. And the light reflection part 3 and the partition part 4 are coaxially arranged to prevent light from being blocked, thereby ensuring uniform sterilization of the fluid in the water containing area 1021. Furthermore, the partition portion 4 may be a transparent glass tube, i.e. a quartz tube, so as to ensure the transparency and sterilize the fluid in the first chamber.

In the present embodiment, the waterproof portion 5 is a light-transmitting glass such as sapphire glass provided perpendicularly to the axis of the partition portion 4; the first end of the partition part 4 is connected with the shell 1 in an abutting mode through a first elastic sleeve 41; the first end of light reflex portion 3 is contradicted through first cushion 31 and is connected with casing 1, and the second end of light reflex portion 3 is contradicted through second cushion 32 and printing opacity glass and is connected, refers to fig. 1, and first cushion 31 and second cushion 32 are O type silica gel circle, and first elastic sleeve 41 adopts the silica gel cover. In specific implementation, referring to fig. 3, a first elastic pad 31 with a special shape is used to further ensure the waterproof and sealing performance.

In this embodiment, the water-free sterilizing device further includes end caps 7 corresponding to the sterilizing chambers one by one, the water-free region 1022 is an open structure with the water-proof portion 5 as a bottom, and the end caps 7 are detachably engaged with the housing 1 to close the water-free region 1022. So, through the end cover 7 that can open, guaranteed to overhaul the convenience of replacement to light source portion 2 and anti-light cup 6 to further guaranteed whole sterilizing equipment's maintenance convenience, be favorable to prolonging sterilizing equipment's life.

Referring to fig. 2, in the present embodiment, two sterilization chambers are disposed in the housing 1, and the two end caps 7 are respectively disposed on the upper end surface and the lower end surface of the housing 1. The upper left portion of the housing 1 is recessed inwardly to form a first recess 105, the first port 11 is disposed in the first recess 105, and the first port 11 communicates with the first inlet/outlet 103 of a killing chamber. The lower right portion of the housing 1 is recessed inwardly to form a second recess 106, the second port 12 is disposed in the second recess 106, and the second port 12 communicates with the second inlet/outlet 104 of another sterilization chamber. The first recess 105 and the second recess 106 respectively accommodate the first port 11 and the second port 12, so that the appearance of the housing 1 is more regular and ordered, the housing 1 can be suitable for more installation environments, and the application of the sterilization device is further facilitated. In practical implementation, the first port 11 and the second port 12 may be completely exposed outside the housing 1, as shown in fig. 4.

In this embodiment, along the flowing direction of the fluid on the flow channel, the first inlet and outlet 103 and the second inlet and outlet 104 of the adjacent killing chambers are arranged in opposite directions on the flow channel, so as to ensure the consistency between the arrangement of the killing chambers inside the casing 1 and the structure of the casing 1, thereby improving the utilization efficiency of the internal space of the casing 1 and ensuring the regularity and stability of the structure of the casing 1. Meanwhile, the sterilization device does not need to limit the input and output directions during application, and is more rapid and convenient to install.

In this embodiment, a wiring groove 107 is provided on the side wall of the housing 1, and a cable connected to the light source unit 2 can be fixed through the wiring groove 107 for convenient wiring. The end cover 7 is in threaded fit with the shell 1 so as to be convenient to disassemble. Specifically, in the present embodiment, the housing 1 has a cylindrical structure having the first recess 105, the second recess 106, and the wiring groove 107, the first recess 105 forms a semicircular enclosure around the first port 11, and the second recess 106 forms a semicircular enclosure around the second port 12. The wiring groove 107 extends along the axial direction of the housing 1 and penetrates the upper and lower end surfaces of the housing 1.

In this embodiment, the housing 1 is made of food-grade PP material to ensure water safety. Light source portion 2 adopts the PCBA who is equipped with ultraviolet lamp pearl, and reflects light cup 6 and end cover 7 and all adopt metal material to improve light source portion 2's radiating efficiency, guarantee work safety. Specifically, the reflector 6 may be made of aluminum.

The invention is not to be considered as limited to the specific embodiments shown and described, but is to be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The deep ultraviolet LED multi-light-source overflowing type sterilization device is characterized by comprising a shell (1), wherein a first port (11) and a second port (12) are formed in the shell (1), and a plurality of sterilization chambers are further arranged in the shell (1); the first port (11), the plurality of killing chambers and the second port (12) are communicated in series to form a flow channel; a light source part (2) for emitting deep ultraviolet rays and a light reflection part (3) for reflecting the deep ultraviolet rays emitted by the light source part (2) are arranged in each disinfection cavity.

2. The deep ultraviolet LED multi-light-source overflowing type sterilizing device according to claim 1, wherein each sterilizing chamber is provided with a corresponding first inlet and outlet (103) and a corresponding second inlet and outlet (104); a partition part (4) which divides the killing chamber into a first chamber and a second chamber which are communicated is arranged in the killing chamber, the first chamber is communicated with the first inlet and outlet (103), and the second chamber is communicated with the second inlet and outlet (104); the direction of fluid flow in the first chamber is opposite to the direction of fluid flow in the second chamber.

3. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 2, wherein the partition part (4) is a cylinder body with two ends communicated with each other, the first end of the partition part (4) is communicated with the first inlet and outlet (103), the inner cavity of the partition part (4) is used as a first chamber, the periphery of the partition part (4) is used as a second chamber, and the light source part (2) and the light reflection part (3) are both arranged in the second chamber.

4. The deep ultraviolet LED multi-light-source overflowing type sterilization device as defined in claim 3, wherein the first inlet and the second inlet (103) and the second inlet and the second outlet (104) of the adjacent sterilization chambers are oppositely arranged on the flow channel along the flow direction of the fluid on the flow channel.

5. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 3, wherein a light-permeable waterproof part (5) is arranged in the second chamber, the waterproof part (5) divides the second chamber into a water-containing area (1021) and a water-free area (1022), the partition part (4) and the light reflection part (3) are both arranged in the water-containing area (1021), and the light source part (2) is arranged in the water-free area (1022).

6. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 5, wherein the light reflection part (3) is a cylindrical structure with the periphery attached to the side wall of the water area (1021), and the light reflection part (3) and the partition part (4) are coaxially arranged.

7. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 6, further comprising end caps (7) corresponding to the sterilization chambers one by one, wherein the anhydrous region (1022) is an open structure with the waterproof portion (5) as a bottom, and the end caps (7) are detachably matched with the housing (1) to seal the opening of the anhydrous region (1022).

8. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 7, wherein two sterilization chambers are arranged in the shell (1), and the two end covers (7) are respectively positioned on the upper end surface and the lower end surface of the shell (1); the left upper part of the shell (1) is inwards sunken to form a first concave part (105), a first port (11) is arranged in the first concave part (105), and the first port (11) is communicated with a first inlet and outlet (103) of a killing chamber; the right lower part of the shell (1) is inwards sunken to form a second concave part (106), the second port (12) is arranged in the second concave part (106), and the second port (12) is communicated with a second inlet and outlet (104) of the other killing chamber.

9. The deep ultraviolet LED multi-light-source overflowing type sterilization device according to claim 5, wherein the irradiation area of the light source part (2) covers the intersection of the first chamber and the second chamber, and a reflection cup (6) is further arranged in the water-free area (1022).

10. The deep ultraviolet LED multi-light-source overflowing sterilization device as recited in claim 1, characterized in that the first port (11) and the second port (12) on the shell (1) are matched.