CN220056441U - Overcurrent type sterilizing device - Google Patents
Overcurrent type sterilizing device Download PDFInfo
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- CN220056441U CN220056441U CN202320761025.8U CN202320761025U CN220056441U CN 220056441 U CN220056441 U CN 220056441U CN 202320761025 U CN202320761025 U CN 202320761025U CN 220056441 U CN220056441 U CN 220056441U
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Abstract
The utility model provides an overcurrent type sterilizing device which comprises a water inlet piece, a shell and a water outlet piece, wherein a heat radiating piece and an inner cavity piece are arranged between the water inlet piece and the water outlet piece, a water through hole is formed in the edge area of the heat radiating piece, a mounting cavity is formed in the area of the heat radiating piece, which is provided with the water through hole in a staggered mode, the top end of the mounting cavity is a closed end, a light source circuit board is embedded in the top end of the mounting cavity, the top surface of the light source circuit board is tightly attached to the top wall of the mounting cavity, and an ultraviolet sterilizing light source is welded on the bottom surface of the light source circuit board. The inner cavity piece is internally provided with a cavity, the cavity is provided with a reflective inner wall, and the light emitting direction of the ultraviolet sterilization light source faces the cavity. The heat of the source circuit board is transferred to the top end of the heat radiating piece, and the top end is directly contacted with the fluid, so that the fluid can take away the heat, the heat radiating efficiency of the device is improved, and the protection of the ultraviolet sterilization light source is facilitated. The inner cavity piece is internally provided with a cavity for fluid circulation, the cavity is provided with a reflective inner wall, and the reflective inner wall can reflect ultraviolet rays, so that the sterilization efficiency is improved.
Description
Technical Field
The utility model belongs to the field of ultraviolet sterilization devices, and particularly relates to an overcurrent type sterilization device.
Background
The overcurrent sterilizing device utilizes ultraviolet rays emitted by an ultraviolet sterilizing light source to sterilize and disinfect fluid flowing through the interior of the device. In order to meet the flow demand, the fluid flowing through the device has a certain speed, the residence time in the device is limited, the fluid is sterilized and disinfected in the process, and the sterilization efficiency of the device is high. To increase the sterilization efficiency of the device, it is common practice to increase the power of the ultraviolet sterilization light source, but this approach necessarily results in an increase in the volume of the device and an increase in the amount of heat generated. Therefore, it is necessary to develop a new way to improve the sterilization efficiency on the premise of unchanged power of the light source.
On the other hand, the existing sterilizing device only depends on the heat conduction property of the heat dissipation piece to dissipate heat outwards, so that the heat dissipation speed is low, the heat dissipation effect is not ideal, and the service life of the ultraviolet sterilizing light source is influenced.
Disclosure of Invention
The utility model aims to provide an overcurrent type sterilization device which can improve heat dissipation efficiency and improve sterilization efficiency on the premise of not increasing light source power.
The utility model is realized in such a way that the overcurrent sterilizing device comprises a water inlet piece, a shell and a water outlet piece, wherein the water inlet piece is arranged at one end of the shell, and the water outlet piece is arranged at the other end of the shell; a heat radiating piece and an inner cavity piece are further arranged between the water inlet piece and the water outlet piece, a plurality of water holes are formed in the edge area of the heat radiating piece, an installation cavity is formed in the area, staggered from the water holes, of the heat radiating piece, the top end of the installation cavity is a closed end, a light source circuit board is embedded in the top end of the installation cavity, the top surface of the light source circuit board is tightly attached to the top wall of the installation cavity, and an ultraviolet sterilization light source is welded on the bottom surface of the light source circuit board; the inner cavity piece is internally provided with a cavity, and the cavity is provided with a reflecting inner wall; the water inlet end of the inner cavity piece is in butt joint with the water through hole of the heat dissipation piece, the water outlet end of the inner cavity piece is in butt joint with the water outlet piece, and the light outlet direction of the ultraviolet sterilization light source faces the cavity.
Further, the bottom end of the installation cavity of the heat dissipation part is an open end, the open end cover is sealed with a light transmission part, and a light reflection part is also clamped between the bottom surface of the light source circuit board and the light transmission part.
Further, the water outlet end of the inner cavity piece is also provided with a reflective bottom wall.
Further, the material of the inner cavity piece is PTFE.
Further, the water inlet piece and the heat dissipation piece are made of 304 stainless steel.
Further, the water guide device also comprises a water guide piece, wherein a plurality of water outlet channels penetrating through the length direction of the water guide piece are formed in the water guide piece.
Further, the casing includes epitheca, inferior valve and inner shell, the piece of intaking is installed the top of epitheca, the bottom of epitheca with the top of inferior valve meets, the inner shell inlay in the inferior valve, the diapire of epitheca with the drive circuit board has been interposed between the top of inner shell, the epitheca has been seted up and has been dodged hole power supply line and penetrate, the electric wire with drive circuit board welding.
Further, an atmosphere lamp is welded on the driving circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model relates to an overcurrent type sterilizing device, which is provided with a heat dissipation part and an inner cavity part, wherein a plurality of water through holes are formed in the edge area of the heat dissipation part, a mounting cavity is formed in the area of the heat dissipation part, which is staggered with the water through holes, the top end of the mounting cavity is a closed end, a light source circuit board is embedded in the top end of the mounting cavity, and the top surface of the light source circuit board is tightly attached to the top wall of the mounting cavity. The heat of the light source circuit board is transferred to the top end position of the heat radiating piece, and the top end position is directly contacted with the fluid, so that the fluid can take away the heat, the heat radiating efficiency of the device is improved, and the ultraviolet sterilization light source is protected. The inner cavity piece is internally provided with a cavity for fluid circulation, the cavity is provided with a reflective inner wall, and the reflective inner wall can reflect ultraviolet rays, so that the sterilization efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of an overcurrent sterilizing device according to an embodiment of the present utility model;
fig. 2 is an exploded view of the overcurrent sterilization apparatus shown in fig. 1;
FIG. 3 is a schematic diagram of the conduction path of heat generated by the UV sterilization light source in the present embodiment;
FIG. 4 is a schematic view showing reflection of sterilizing light rays in the interior of the inner chamber member according to the present embodiment;
fig. 5 is a schematic perspective view of a water guide in the overcurrent sterilization device shown in fig. 1.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment provides an overcurrent type sterilization device, which can sterilize and disinfect fluids such as water, milk, juice, etc., and for convenience of description, the following will describe the contents of the embodiment in detail by taking water flow as an example.
Referring to fig. 1 and 2, an overcurrent sterilizing device provided in this embodiment includes a water inlet member 1, an upper housing 2, a lower housing 3, an inner housing 4, a water outlet member 5, a heat dissipation member 6, an ultraviolet sterilizing light source 7, a light source circuit board 8, an inner cavity member 9, a light transmitting member a, a light reflecting member b, a driving circuit board c and a water guiding member d.
The water inlet piece 1 is arranged at the top end of the upper shell 2, the bottom end of the upper shell 2 is connected with the top end of the lower shell 3, the inner shell 4 is embedded in the lower shell 3, and the water outlet piece 1 is arranged at the bottom end of the lower shell 3.
The heat dissipation part 6 and the inner cavity part 9 are sequentially arranged between the water inlet part 1 and the water outlet part 5, a plurality of water through holes 61 are formed in the edge area of the heat dissipation part 6, and the water inlet end of the inner cavity part 9 is abutted against the water through holes 61 of the heat dissipation part 6 so as to be connected with water flow flowing in from the water inlet part 1. The area of the staggered water holes 61 in the heat dissipation part 6 is provided with a mounting cavity, the top end of the mounting cavity is a closed end, a light source circuit board 8 is embedded in the top end of the mounting cavity, the top surface of the light source circuit board 8 is tightly attached to the top wall of the mounting cavity, and an ultraviolet sterilization light source 7 is welded on the bottom surface of the light source circuit board.
Because the light source circuit board 8 is closely attached to the top wall of the mounting cavity, the heat generated by the ultraviolet sterilization light source 7 is transferred to the light source circuit board 8, and then the heat of the light source circuit board 8 is transferred to the top end position of the heat dissipation piece 6. As shown in fig. 3, the conduction path of the heat generated when the ultraviolet sterilizing light source 7 is operated is: ultraviolet sterilizing light source 7-light source circuit board 8-heat dissipation piece 6-water flow. Because the top end of the heat dissipation piece 6 is directly contacted with water flow, the water flow can take away the heat accumulated at the top end of the heat dissipation piece 6, so that the heat dissipation efficiency of the device is improved, the protection of the ultraviolet sterilization light source 7 is facilitated, and the service life of the ultraviolet sterilization light source 7 is prolonged.
The water outlet end of the inner cavity member 9 is butted with the water outlet member 5, and the inner cavity member 9 is internally provided with a cavity 91 which is used as a circulating and sterilizing space of water flow. The cavity 91 has a reflective inner wall, and the light emitting direction of the ultraviolet sterilizing light source 7 is directed toward the cavity 91. In this embodiment, the material of the inner chamber element 9 is PTFE. Further, the water outlet end of the inner chamber 9 is provided with a reflective bottom wall 92. As shown in fig. 4, the reflective inner wall and the reflective bottom wall 92 reflect ultraviolet light to improve sterilization efficiency.
The bottom end of the installation cavity of the heat dissipation part 6 is an open end, the open end cover is sealed with a light transmission part a, and the light transmission part a can provide a sealed space for the ultraviolet sterilization light source 7 and the light source circuit board 8. A reflecting piece b is also clamped between the bottom surface of the light source circuit board 8 and the light transmitting piece a, and by arranging the reflecting piece b, the light in the side direction of the sterilizing light source 7 can be reflected back for sterilizing the fluid, so that the light emitting efficiency of the ultraviolet sterilizing light source 7 can be improved.
In the present embodiment, the material of the water inlet member 1 and the heat sink member 6 is 304 stainless steel, and the thermal conductivity is 16W/mK.
Further, the bottom end of the water outlet member 5 is provided with a water guide member d, referring to fig. 5, a plurality of water outlet channels d1 penetrating the water guide member d in the length direction are formed in the water guide member d, and the water flow of the water outlet can be more uniform by arranging the water guide member d.
Further, a driving circuit board c is clamped between the bottom wall of the upper shell 2 and the top end of the inner shell 4, the upper shell 2 is provided with a avoidance hole power supply line e for penetrating, the power line e is welded with the driving circuit board c, and an atmosphere lamp is welded on the driving circuit board c.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The overcurrent sterilizing device comprises a water inlet piece, a shell and a water outlet piece, wherein the water inlet piece is arranged at one end of the shell, and the water outlet piece is arranged at the other end of the shell; the water inlet and outlet device is characterized in that a heat dissipation part and an inner cavity part are further arranged between the water inlet part and the water outlet part, a plurality of water holes are formed in the edge area of the heat dissipation part, an installation cavity is formed in the area, staggered from the water holes, of the heat dissipation part, the top end of the installation cavity is a closed end, a light source circuit board is embedded in the top end of the installation cavity, the top surface of the light source circuit board is tightly attached to the top wall of the installation cavity, and an ultraviolet sterilization light source is welded on the bottom surface of the light source circuit board; the inner cavity piece is internally provided with a cavity, and the cavity is provided with a reflecting inner wall; the water inlet end of the inner cavity piece is in butt joint with the water through hole of the heat dissipation piece, the water outlet end of the inner cavity piece is in butt joint with the water outlet piece, and the light outlet direction of the ultraviolet sterilization light source faces the cavity.
2. The overcurrent sterilizing device according to claim 1, wherein the bottom end of the mounting cavity of the heat sink is an open end, the open end cover is sealed with a light-transmitting member, and a light-reflecting member is interposed between the bottom surface of the light source circuit board and the light-transmitting member.
3. The overcurrent sterilizing device of claim 1 wherein the water outlet end of the inner chamber member is further provided with a reflective bottom wall.
4. The flow-through sterilization device of claim 1, wherein the material of the inner chamber member is PTFE.
5. The overcurrent sterilizing device of claim 1 wherein the material of the water inlet member and the heat sink member is 304 stainless steel.
6. The overcurrent sterilizing device of claim 1, further comprising a water guide, wherein a plurality of water outlet channels extending through the water guide in the length direction are formed in the water guide.
7. The overcurrent sterilizing device according to any one of claims 1 to 6, wherein the housing includes an upper case, a lower case and an inner case, the water inlet is mounted on the top end of the upper case, the bottom end of the upper case is connected to the top end of the lower case, the inner case is embedded in the lower case, a driving circuit board is interposed between the bottom wall of the upper case and the top end of the inner case, the upper case is provided with a power supply line penetrating through the avoidance hole, and the electric line is welded to the driving circuit board.
8. The overcurrent sterilizing device of claim 7 wherein the drive circuit board has an atmosphere lamp soldered thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761025.8U CN220056441U (en) | 2023-04-10 | 2023-04-10 | Overcurrent type sterilizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320761025.8U CN220056441U (en) | 2023-04-10 | 2023-04-10 | Overcurrent type sterilizing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220056441U true CN220056441U (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320761025.8U Active CN220056441U (en) | 2023-04-10 | 2023-04-10 | Overcurrent type sterilizing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220056441U (en) |
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2023
- 2023-04-10 CN CN202320761025.8U patent/CN220056441U/en active Active
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