Flowing water sterilization device

Abstract

The utility model provides a flowing water sterilization device, which belongs to the technical field of flowing water sterilization and comprises a main shell, a water inlet, a water outlet and an ultraviolet light source component, the water inlet and the water outlet are positioned at two ends of the main shell, the ultraviolet light source component is positioned on the main shell, a quartz glass tube is arranged in a cavity inside the main shell, and the quartz glass tube is arranged in the cavity. The quartz glass tube and the main shell are coaxial, the quartz glass tube penetrates through the main shell, and reflective filling particles are arranged in a gap between the quartz glass tube and the main shell. The reflection filling particles are arranged in the quartz glass tube, it is ensured that the reflection filling particles are fully irradiated by ultraviolet light when flowing through the quartz glass tube, the coverage rate and efficiency of flowing water sterilization are effectively improved, and in the assembling process, the reflection filling particles have certain flowability and can cover some structure dead corners, and compared with a reflection structure formed through preprocessing, the coverage area is larger, and the larger reflection area can be provided.

Description

Technical Field

[0001] This utility model mainly relates to the technical field of flowing water sterilization, specifically a flowing water sterilization device. Background Technology

[0002] Flowing water sterilization refers to the process of sterilizing flowing water, mainly to eliminate harmful microorganisms such as bacteria, viruses, fungi, and algae. These microorganisms may harm human health, affect industrial production processes, and damage the ecological environment. Currently, physical sterilization methods mainly include ultraviolet (UV) sterilization and ultrasonic sterilization. Ultraviolet (UV) is an electromagnetic wave, among which UVC with wavelengths between 200 and 280 nm has bactericidal capabilities. UV light can usually be divided into UVA (320-400 nm), UVB (280-320 nm), UVC (200-280 nm), and vacuum ultraviolet (VUV) (10-200 nm) according to wavelength. Compared with traditional ultraviolet light sources such as mercury lamps, UVC LED light sources have many well-known advantages such as being environmentally friendly, compact and portable, low power consumption, and low voltage, and have received increasing attention in recent years.

[0003] Currently, it is an industry-known method to improve the sterilization rate by incorporating reflective materials into the internal structure of sterilization devices to enhance the reflection effect of ultraviolet light on the water flow. Reflective materials usually refer to reflective films laid on the periphery of water flow pipes, or to components with reflective effects that are independently processed from reflective materials. However, there are not many types of materials with high reflectivity and high tolerance in the ultraviolet band, such as Teflon materials, aluminum mirrors, or inorganic laminates with DBR structures. However, these materials have high processing costs and need to be independently installed inside the outer shell. This requires the installation of more fixing and sealing auxiliary devices inside the sterilization device, thereby increasing the complexity of the device and the production cost.

[0004] Ultraviolet sterilization of flowing water is characterized by high water flow rate and short sterilization time. Especially under high flow rate, a large ultraviolet light power is usually required to obtain the ideal sterilization rate. However, the photoelectric conversion efficiency of UVC LED is only 4%-8%. The insufficient light power often makes the sterilization rate of flowing water unsatisfactory. In addition, since UVC LED is a point light source, the irradiation angle is limited, which makes it difficult to achieve uniform irradiation in some complex water channel structures. Utility Model Content

[0005] This utility model provides a solution that is significantly different from existing technologies, addressing the problem that existing solutions are too simplistic. Specifically, this utility model provides a flowing water sterilization device to solve the technical problem mentioned in the background art, where existing ultraviolet sterilization structures commonly use expensive materials such as Teflon for specular reflection of the light source. Since UVC LEDs are point light sources with limited irradiation angles, it is difficult to achieve uniform irradiation in some complex water channel structures.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows:

[0007] A flowing water sterilization device includes a main shell, an inlet, an outlet, and an ultraviolet light source assembly. The inlet and outlet are located at opposite ends of the main shell, and the ultraviolet light source assembly is located on the main shell. A quartz glass tube is disposed inside the cavity of the main shell. The quartz glass tube is coaxial with the main shell and penetrates through the main shell. Reflective filling particles are disposed in the gap between the quartz glass tube and the main shell.

[0008] Furthermore, the ultraviolet light source assembly includes a PCB board and a UVC LED, with the UVC LED soldered onto the PCB board.

[0009] Furthermore, the ultraviolet light source component is built into a quartz glass tube, and an end cap is provided at the opening at one end of the main housing. The end cap is connected to the water inlet, and the ultraviolet light source component is located in the light source mounting groove on the end cap. From bottom to top, a top cover, a base, and a water-proof light-transmitting sheet are also provided in the light source mounting groove of the end cap. The PCB board and the UVC LED are located between the base and the water-proof light-transmitting sheet.

[0010] Furthermore, the ultraviolet light source assembly is externally mounted on a quartz glass tube, and end caps are provided at both ends of the main housing. The two end caps are respectively connected to the water inlet and the water outlet. The ultraviolet light source assembly is located in the light source mounting groove on the side wall of the main housing. The UVC LED in the ultraviolet light source assembly emits light towards the central axis of the main housing. A driving element is also provided in the light source mounting groove on the side wall of the main housing, and the driving element is located on the PCB board.

[0011] Furthermore, a removable side cover is provided on the light source mounting slot on the side wall of the main housing.

[0012] Furthermore, multiple screw holes are equally spaced around both ends of the main housing.

[0013] Furthermore, sealing gaskets are provided between the main housing and the end cap, between the UVC LED and the light source mounting groove on the side wall of the main housing, and between the base and the water-proof light-transmitting sheet.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention, through its main shell, end caps, quartz glass tube, reflective filling particles, PCB board, UVC LED, driving element, base, water-proof light-transmitting sheet, top cover, and side cover, achieves sterilization treatment of flowing water. It ensures that ultraviolet light is diffusely reflected and evenly distributed within the quartz glass tube, guaranteeing sufficient irradiation of the water flowing through the tube. This effectively improves the coverage and efficiency of sterilization. Furthermore, the reflective filling particles have a certain degree of flowability during assembly, covering some structural dead corners. Compared to pre-formed reflective structures, it has a larger coverage area and provides a larger reflective surface. Compared to existing reflective materials, it is more cost-effective, requires no secondary processing, and offers both internal and external lamp source installation methods. External lamp sources are more suitable for small-diameter flowing water, while internal lamp sources are suitable for large-diameter flowing water, further ensuring the coverage of ultraviolet light and meeting various usage conditions. The assembly process is simple, resulting in higher economic benefits and meeting current social needs.

[0016] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the ultraviolet light source component of this utility model, which is externally placed inside the main shell of the quartz glass tube.

[0018] Figure 2 This is a schematic cross-sectional view of the main housing structure of the ultraviolet light source component of this utility model, which is externally mounted on a quartz glass tube.

[0019] Figure 3 This is a schematic diagram of the internal structure of the ultraviolet light source component of this utility model, which is built into the main shell of the quartz glass tube.

[0020] In the diagram: 000, main casing; 100, end cap; 101, water inlet; 102, water outlet.

[0021] ; 103. Quartz glass tube; 104. Reflective filling particles; 105. Sealing gasket; 106. PCB board; 107. UVC LED; 108. Driver component; 109. Base; 110. Waterproof and light-transmitting sheet; 111. Top cover; 112. Side cover; 113. Screw hole. Detailed Implementation

[0022] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0025] Please refer to the appendix carefully. Figure 1-3 A flowing water sterilization device includes a main housing 000, an inlet 101, an outlet 102, and an ultraviolet light source assembly. The inlet 101 and outlet 102 are located at opposite ends of the main housing 000. The ultraviolet light source assembly is located on the main housing 000. The main housing 000 can be made of conventional plastic materials such as PP, PE, ABS, and nylon, or it can be made of metal. A quartz glass tube 103 is disposed inside the cavity of the main housing 000. The quartz glass tube 103 is coaxial with the main housing 000 and penetrates through the main housing 000. Reflective filling particles 104 are disposed in the gap between the quartz glass tube 103 and the main housing 000. The ultraviolet light source assembly includes a PCB board 106 and a UVC LED 107, with the UVC LED 107 soldered onto the PCB board 106. The UVC LED 107 emits light at a wavelength of 240-280nm. The UVC light source assembly is located between the main housing 000 and the end cap 100. Sealing gaskets 105 are provided between LED107 and the light source mounting groove on the side wall of the main housing 000, as well as between the base 109 and the water-proof light-transmitting sheet 110. The sealing gaskets 105 between the main housing 000 and the end cap 100 can seal the gap between the two ends of the quartz glass tube 103 and the main housing 000, preventing the reflective filling particles 104 from flowing out.

[0026] The reflective filling particles 104 can be polytetrafluoroethylene (PTFE) particles, or barium sulfate, calcium carbonate, titanium dioxide powder, etc., or a semi-fluid suspension of the above particles / powders mixed with a suitable liquid. The reflective filling particles 104 are injected into the gaps through the through holes located in the main housing 000, and then uniformly and fully filled by rolling, vibration and other methods.

[0027] In addition, the reflective filling particles 104 can be mixed with a suitable solvent to form a fluid. After the fluid is injected into the voids, the filling material inside will take the shape of a block after the solvent evaporates or evaporates.

[0028] Through the above structure, sterilization of flowing water is achieved, allowing ultraviolet light to be diffusely reflected and evenly distributed within the quartz glass tube 103. This ensures that the water flowing through the quartz glass tube 103 is fully irradiated by ultraviolet light, effectively improving the coverage and efficiency of sterilization. Furthermore, during assembly, the reflective filling particles 104 have a certain degree of flowability, which can cover some structural dead corners. Compared with pre-processed reflective structures, it has a larger coverage area and can provide a larger reflective area. Compared with existing reflective materials, it is cheaper, requires no secondary processing, has a simple assembly process, and is more economical, meeting current social needs.

[0029] Please refer to the appendix carefully. Figure 1 and attached Figure 2 The ultraviolet light source assembly is externally mounted on a quartz glass tube 103. End caps 100 are provided at both ends of the main housing 000, connecting to the inlet 101 and outlet 102 respectively. The ultraviolet light source assembly is located in a light source mounting slot on the side wall of the main housing 000. The UVC LED 107 in the ultraviolet light source assembly emits light towards the central axis of the main housing 000. A driving element 108 is also provided in the light source mounting slot on the side wall of the main housing 000, located on a PCB board 106. The driving element 108 may include a rectifier or transformer to convert externally supplied power into an appropriate output state. A detachable side cover 112 is provided on the light source mounting slot on the side wall of the main housing 000. Multiple screw holes 113 are evenly spaced around both ends of the main housing 000 for mounting the end caps 100. During installation, the ultraviolet light emitted by the ultraviolet light source component enters the quartz glass tube 103 through the opening on the light source mounting slot of the main housing 000. Since the part of the quartz glass tube 103 except for the opening position is covered by reflective filling particles 104, the ultraviolet light will be diffusely reflected into the quartz glass tube 103 and evenly distributed after entering the quartz glass tube 103. At this time, the water flows in from one end of the inlet 101, is fully irradiated by the ultraviolet light when flowing through the quartz glass tube 103, and then flows out from one end of the outlet 102, thereby achieving efficient sterilization of flowing water.

[0030] Please refer to the appendix carefully. Figure 3 The ultraviolet light source assembly is built into the quartz glass tube 103. Its power cord passes through the wire holes on the base 109 and the end cap 100 in sequence. An end cap 100 is provided at the opening at one end of the main housing 000. The end cap 100 is connected to the water inlet 101, and the ultraviolet light source assembly is located in the light source mounting groove on the end cap 100. From bottom to top, the light source mounting groove of the end cap 100 is also provided with a top cover 111, a base 109, and a water-proof light-transmitting sheet 110, a PCB board 106, and a UVC... LED 107 is located between base 109 and water-proof light-transmitting sheet 110. Water-proof light-transmitting sheet 110 is made of quartz glass or sapphire glass, which has good transmittance in the ultraviolet band. The ultraviolet light emitted by the ultraviolet light source component shines directly into the quartz glass tube 103 through the water-proof light-transmitting sheet 110. The direction of light illumination is the same as the direction of water flow. After the water flows in from the inlet 101, it passes through the through hole of the ultraviolet light source component or the groove on the end cap 100 into the quartz glass tube 103, and then flows out through the outlet 102 on the other end cap 100. During this process, since the quartz glass tube 103 is covered by reflective filling particles 104, the ultraviolet light will be diffusely reflected into a uniform distribution inside the quartz glass tube 103 after entering the quartz glass tube 103. When the water flows through the quartz glass tube 103, it is fully irradiated by ultraviolet light and then flows out from the outlet 102, thereby achieving efficient sterilization of flowing water.

[0031] The present invention has been described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvement made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, shall be within the protection scope of the present invention.

Claims

1. A flowing water sterilization device, comprising a main housing (000), an inlet (101), an outlet (102), and an ultraviolet light source assembly, wherein the inlet (101) and the outlet (102) are located at opposite ends of the main housing (000), and the ultraviolet light source assembly is located on the main housing (000), characterized in that, A quartz glass tube (103) is provided inside the cavity of the main housing (000). The quartz glass tube (103) and the main housing (000) are coaxial and the quartz glass tube (103) penetrates the main housing (000). Reflective filling particles (104) are provided in the gap between the quartz glass tube (103) and the main housing (000).

2. The flowing water sterilization device according to claim 1, characterized in that, The ultraviolet light source assembly includes a PCB board (106) and a UVC LED (107), with the UVC LED (107) soldered onto the PCB board (106).

3. The flowing water sterilization device according to claim 2, characterized in that, The ultraviolet light source assembly is built into a quartz glass tube (103). An end cap (100) is provided at the opening at one end of the main housing (000). The end cap (100) is connected to the water inlet (101), and the ultraviolet light source assembly is located in the light source mounting groove on the end cap (100). From bottom to top, the light source mounting groove of the end cap (100) is also provided with a top cap (111), a base (109), and a water-proof light-transmitting sheet (110). The PCB board (106) and the UVC LED (107) are located between the base (109) and the water-proof light-transmitting sheet (110).

4. The flowing water sterilization device according to claim 2, characterized in that, The ultraviolet light source assembly is externally placed in a quartz glass tube (103). End caps (100) are provided at both ends of the main housing (000). The two end caps (100) are connected to the water inlet (101) and the water outlet (102) respectively. The ultraviolet light source assembly is located in the light source mounting groove on the side wall of the main housing (000). The UVC LED (107) in the ultraviolet light source assembly emits light in the direction of the central axis of the main housing (000). A driving element (108) is also provided in the light source mounting groove on the side wall of the main housing (000). The driving element (108) is located on the PCB board (106).

5. The flowing water sterilization device according to claim 4, characterized in that, A removable side cover (112) is provided on the light source mounting groove on the side wall of the main housing (000).

6. The flowing water sterilization device according to claim 5, characterized in that, The main housing (000) has multiple screw holes (113) arranged at equal intervals around both ends.

7. The flowing water sterilization device according to claim 1, characterized in that, Sealing gaskets (105) are provided between the main housing (000) and the end cap (100), between the UVC LED (107) and the light source mounting groove on the side wall of the main housing (000), and between the base (109) and the water-proof light-transmitting sheet (110).

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