CN110540263A

CN110540263A - Ultraviolet ray running water sterilizer

Info

Publication number: CN110540263A
Application number: CN201810521237.2A
Authority: CN
Inventors: 王青山; 李旭东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-05-28
Filing date: 2018-05-28
Publication date: 2019-12-06

Abstract

The utility model provides an ultraviolet ray flowing water sterilizer, includes casing (1) and locates the ultraviolet ray generator in casing (1), casing (1) in be equipped with inner tube (6) along the length direction of casing (1), form backward flow chamber (1a) between casing (1) inner wall and inner tube (6) outer wall, the play water end and the play water port (12) of this backward flow chamber (1a) meet, aforementioned inner tube (6) include the aperture of front end taper section (61) that progressively enlarges, cylinder section (62) of rear end and lie in first current stabilizer (81) between taper section (61) and cylinder section (62), the front end of aforementioned taper section (61) meets and is equipped with second current stabilizer (82) with aforementioned port of intaking (11), be equipped with cowling panel (7) from front to back in aforementioned taper section (61). Rivers can flow through at the casing inside with slow speed, stable velocity of flow, can not produce swirl or other disturbances, promote the efficiency of disinfecting, and the water of every position in the casing is all flowing, and the dead angle that can not have bacterial growing exists. The whole volume is small, and the structure is compact.

Description

Ultraviolet ray running water sterilizer

Technical Field

The invention relates to a water flow sterilization device.

Background

Ordinary STREAMING sterilizing equipment, basic structure include the casing and locate the ultraviolet generator in the casing, and both ends all seal around the casing, and the casing front end has the port of intaking, and the rear end has a port of going out, and rivers get into the casing from the port of intaking, flow out from the port of going out after ultraviolet irradiation disinfects, and this type of sterilizing equipment exists following not enough:

Firstly, the flow field in the sterilization device is unstable, the flow rate in some areas is high, the flow rate in some areas is low, and some areas can not rotate in situ, so that a good sterilization effect can not be achieved.

Secondly, there are many dead angles in the sterilizing equipment and lead to the impurity to pile up easily, cause bacterial growing, disinfect thoroughly.

The prior art improves the sterilization device, for example, the Chinese utility model patent ZL200520061976.6 (an ultraviolet flowing water sterilizer) (the publication number is CN2858624Y) reduces the flow speed by arranging the lug, and simultaneously plays a role of turbulence, so that all parts of the water flow are fully contacted with ultraviolet rays.

Reference may also be made to the chinese utility model patent "UV lamp retrofit structure" (publication No. CN206232432U) with patent number zl201620565281.x, which reduces the flow rate by adding a water flow buffer.

Disclosure of Invention

The present invention is directed to provide an ultraviolet flowing water sterilizer capable of reducing a flow rate in response to the above-mentioned current state of the art.

Another object of the present invention is to provide an ultraviolet sterilizer capable of thoroughly sterilizing flowing water in view of the above technical situation.

The technical scheme adopted by the invention for solving the technical problems is as follows: 1. an ultraviolet flowing water sterilizer comprises a shell and an ultraviolet generator arranged in the shell, wherein the shell is provided with a water inlet port and a water outlet port, it is characterized in that an inner cylinder is arranged in the shell along the length direction of the shell, a reflux cavity is formed between the inner wall of the shell and the outer wall of the inner cylinder, the water outlet end of the backflow cavity is connected with the water outlet port, the inner cylinder comprises a conical section with the caliber gradually increased at the front end, a cylindrical section with the caliber gradually increased at the rear end and a first flow stabilizing plate located between the conical section and the cylindrical section, the front end of the conical section is connected with the water inlet port and provided with a second flow stabilizing plate, meshes are formed in the first flow stabilizing plate and the second flow stabilizing plate, a rectifying plate is arranged in the conical section from front to back, the rear end of the cylindrical section is close to the ultraviolet generator, and the rear end of the cylindrical section is provided with a backflow port communicated with the backflow cavity.

The cowling panel be a plurality of, be radial evenly arranged between first current stabilizing plate and second current stabilizing plate. The first flow stabilizing plate is divided into a plurality of fan-shaped areas by the rectifying plate, so that the space in the conical section is divided into a plurality of small cavities in fan-shaped areas, and the small cavities form a rectifying area.

The shell is cylindrical, and the water inlet port and the water outlet port are located on the same side. The water flow forms an angle of 180 degrees when passing through the high-efficiency sterilization zone and flows back to a gap (a backflow cavity) between the outer shell and the inner shell. When the sterilized water flows to a position close to the water inlet port, the water flow is just outside the conical section, the space of the area is larger than the gap between the outer shell and the inner shell, and the caliber of the area is gradually increased, so that the effect of slowing down the flow speed is achieved, and the influence on a flow field is minimized when the water flow in the sterilizing area turns 180 degrees.

The ultraviolet generator is preferably arranged as follows: the tail end of the shell is open and is provided with a rear cover, and an ultraviolet generator is arranged on the inner side of the rear cover.

The ultraviolet generator comprises an ultraviolet lamp and a lens which can enable ultraviolet light emitted by the ultraviolet lamp to be emitted into the cylindrical section in a parallel ray mode, a sealing ring through which the lens passes is arranged at the rear end of the shell, and the ultraviolet lamp is positioned on one side of the lens and is tightly attached to the rear cover. The lens can ensure that the ultraviolet rays can fully irradiate the water body, and the sterilizing effect is improved.

Furthermore, the rear end of the inner cylinder is provided with a plurality of notches in the circumferential direction, and the lens is matched with the notches to form a plurality of backflow ports.

Compared with the prior art, the invention has the advantages that: rivers can flow through at the casing inside with slow speed, stable velocity of flow, can not produce swirl or other disturbances, promote the efficiency of disinfecting, and the water of every position in the casing is all flowing, and the dead angle that can not have bacterial growing exists. The whole volume is small, and the structure is compact.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is an exploded view of the embodiment.

Fig. 3 is another view angle structure diagram of the housing in fig. 2.

FIG. 4 is a partially cut-away view of the housing of the embodiment.

FIG. 5 is a sectional view of the embodiment.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, the ultraviolet flowing water sterilizer in the present embodiment includes a housing 1 and an ultraviolet generator disposed in the housing 1, the housing 1 has a water inlet 11 and a water outlet 12, the housing 1 is cylindrical, and the water inlet 11 and the water outlet 12 are located on the same side.

The tail end of the shell 1 is open and is provided with a rear cover 2, and an ultraviolet generator is arranged on the inner side of the rear cover 2. The ultraviolet generator comprises an ultraviolet lamp 5 and a lens 3 which can enable ultraviolet light rays emitted by the ultraviolet lamp 5 to be injected into the cylindrical section 62 in a parallel ray mode, a sealing ring 4 through which the lens 3 passes is arranged at the rear end of the shell 1, and the ultraviolet lamp 5 is positioned on one side of the lens 3 and is tightly attached to the rear cover 2. The ultraviolet lamp 5 in this embodiment is a deep ultraviolet LED having a small volume and a strong sterilization capability. The lead of the ultraviolet lamp 5 is led out through the rear cover 2.

An inner cylinder 6 is arranged in the housing 1 along the length direction of the housing 1, a backflow cavity 1a is formed between the inner wall of the housing 1 and the outer wall of the inner cylinder 6, the water outlet end of the backflow cavity 1a is connected with the water outlet port 12, the inner cylinder 6 comprises a conical section 61 with the caliber gradually increased at the front end, a cylindrical section 62 at the rear end and a first flow stabilizing plate 81 positioned between the conical section 61 and the cylindrical section 62, the front end of the conical section 61 is connected with the water inlet port 11 and is provided with a second flow stabilizing plate 82, the first flow stabilizing plate 81 and the second flow stabilizing plate 82 are both provided with meshes, a plurality of flow rectifying plates 7 are arranged in the conical section 61 from front to back, and as shown in fig. 4 and 5, the plurality of flow rectifying plates 7 in the embodiment are uniformly arranged between the first flow stabilizing plate 81 and the second flow stabilizing plate 82 in a. The first and second flow stabilizing plates 81 and 82 in this embodiment may be formed of a honeycomb filter or a corrugated filter.

The rear end of the cylindrical section 62 is close to the ultraviolet generator, and the rear end of the cylindrical section 62 is provided with a return port communicated with the return cavity 1 a.

As shown in fig. 3, the inner cylinder 6 has a plurality of notches 63 in the rear end circumferential direction, and the lens 3 is fitted into the plurality of notches 63 to form a plurality of return ports.

The first flow stabilizer is divided into a plurality of sectors by the rectifying plate, thereby dividing the space in the conical section into a plurality of small cavities in sector areas, and the small cavities form the rectifying area 1 b. The water flow flows into the conical section after passing through the second flow stabilizing plate from the water inlet port, so that the flow field with high middle flow rate and low peripheral flow rate is disturbed to mix the flow. The rectifying plates are completely symmetrically designed around the central axis in the area next to the rectifying plate, so that the rectifying cavity is uniformly divided into small cavities with the same shape, and the flow field in each small cavity is the same. Finally, water flows into the second flow stabilizing plate at the tail end to further stabilize the flow and reaches the flow stabilizing area 1c of the cylindrical section.

The flow stabilizing area 1c is a cylindrical cavity, the sectional area of the flow stabilizing area 1c is larger than that of the water inlet, the flow speed is reduced when water flows through the flow stabilizing area, and the flow speed on the section is kept uniform. The stable flow area is irradiated by a small amount of ultraviolet rays, and the function of primary sterilization is achieved.

The part of the cylindrical section close to the ultraviolet generator forms a high-efficiency sterilization area 1d, and water flows back to a gap (a backflow cavity 1a) between the outer shell and the inner shell at an angle of 180 degrees when passing through the high-efficiency sterilization area.

When the sterilized water flows to a position close to the water inlet port, the water flow is just outside the conical section, the space of the area is larger than the gap between the outer shell and the inner shell, and the caliber of the area is gradually increased, so that the effect of slowing down the flow speed is achieved, and the influence on a flow field is minimized when the water flow in the sterilizing area turns 180 degrees. And finally, the water flows out of the water outlet port.

The shell and the rear cover are metal pieces, the rear cover is tightly attached to the ultraviolet lamp, the heat dissipation effect of the ultraviolet lamp is achieved, water flow completely contacts the shell, and heat can be taken away quickly.

Claims

1. An ultraviolet running water sterilizer comprises a shell (1) and an ultraviolet generator arranged in the shell (1), wherein the shell (1) is provided with a water inlet port (11) and a water outlet port (12), and is characterized in that an inner cylinder (6) is arranged in the shell (1) along the length direction of the shell (1), a backflow cavity (1a) is formed between the inner wall of the shell (1) and the outer wall of the inner cylinder (6), the water outlet end of the backflow cavity (1a) is connected with the water outlet port (12), the inner cylinder (6) comprises a conical section (61) with gradually-increased caliber at the front end, a cylindrical section (62) at the rear end and a first flow stabilizing plate (81) positioned between the conical section (61) and the cylindrical section (62), the front end of the conical section (61) is connected with the water inlet port (11) and is provided with a second flow stabilizing plate (82), and meshes are respectively arranged on the first flow stabilizing plate (81) and the second flow stabilizing plate (82), a rectifying plate (7) is arranged in the conical section (61) from front to back, the rear end of the cylindrical section (62) is close to the ultraviolet generator, and a backflow port communicated with the backflow cavity (1a) is formed in the rear end of the cylindrical section (62).

2. The ultraviolet running water sterilizer as claimed in claim 1, wherein the plurality of rectifying plates (7) are uniformly arranged in a radial shape between the first and second flow stabilizing plates (81, 82).

3. The sterilizer of claim 1, wherein the housing (1) is cylindrical, and the inlet port (11) and the outlet port (12) are located on the same side.

4. The running water sterilizer with ultraviolet rays according to claim 1, wherein the rear end of the housing (1) is open and is provided with a rear cover (2), and the inside of the rear cover (2) is provided with an ultraviolet ray generator.

5. The ultraviolet running water sterilizer as claimed in claim 4, wherein the ultraviolet generator comprises an ultraviolet lamp (5) and a lens (3) which can make ultraviolet rays emitted by the ultraviolet lamp (5) enter the cylindrical section (62) in a parallel ray manner, the sealing ring (4) through which the lens (3) passes is arranged at the rear end of the housing (1), and the ultraviolet lamp (5) is arranged at one side of the lens (3) and clings to the rear cover (2).

6. the sterilizer according to claim 5, wherein the inner barrel (6) has a plurality of notches (63) in the circumferential direction of the rear end thereof, and the lens (3) is fitted into the plurality of notches (63) to form a plurality of return ports.