Ultraviolet sterilizer with automatic cleaning function

By introducing an automatic cleaning device into the ultraviolet sterilizer, the problem of cleaning deposits on the outer wall of the ultraviolet lamp tube has been solved, achieving automated cleaning, improving sterilization efficiency and maintenance efficiency, and extending the lamp tube life.

CN224199180UActive Publication Date: 2026-05-05WUHAN FENGPEI INTELLIGENT BIOTECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUHAN FENGPEI INTELLIGENT BIOTECHNOLOGY CO LTD
Filing Date
2025-06-04
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Existing ultraviolet sterilizers are difficult to automatically clean the deposits on the outer wall of the ultraviolet lamp tubes in recirculating aquaculture systems, resulting in reduced sterilization efficiency and cumbersome and unsafe maintenance operations.

Method used

A novel UV lamp layout is designed, equipped with an automatic cleaning device, including a servo motor-driven reciprocating lead screw and an annular brush. Combined with a transmittance sensor for monitoring, it enables automatic cleaning of the glass cover, and achieves automated operation through a control panel and timer.

Benefits of technology

It extends the lifespan of the UV lamps, improves sterilization and maintenance efficiency, ensures water quality safety, and reduces human intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of aquaculture, and discloses an ultraviolet disinfector with an automatic cleaning function, which comprises a disinfector shell, a water inlet interface and a water outlet interface are respectively embedded at the left end and the right end of the top of the disinfector shell, and the water inlet interface and the water outlet interface are respectively connected with the water inlet interface and the water outlet interface. An observation opening is formed in the middle side of the top of the sterilizer shell, and an ultraviolet lamp tube is embedded in the end part of the sterilizer shell. According to the ultraviolet sterilizer with the automatic cleaning function, external culture water enters the sterilizer shell through the water inlet connector, specific wavelength ultraviolet rays emitted by the ultraviolet lamp tube are used for carrying out fire extinguishing and sterilization treatment on microorganisms in water, and then the culture water flows out of the sterilizer shell through the water outlet connector; and in the use process of the ultraviolet lamp tube, the glass outer cover covers the surface of the ultraviolet lamp tube for isolation protection, so that the pollution influence of the damage of the ultraviolet lamp tube on the culture water is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of aquaculture technology, and more specifically to an ultraviolet sterilizer with an automatic cleaning function. Background Technology

[0002] Recirculating aquaculture is currently the most advanced and promising aquaculture model. Under this model, farmed organisms can grow in a stable and controllable environment, effectively preventing the spread of exogenous diseases. Because the environment is stable and controllable, unaffected by external seasonal temperature changes or severe weather, multiple batches of shrimp can be easily farmed annually. Simultaneously, the water can be continuously purified and reused within the system, significantly conserving water resources. Furthermore, since water quality indicators and dissolved oxygen levels fully meet the rapid growth requirements of Litopenaeus vannamei, another advantage of high-density farming is the significant reduction in farming area. Because recirculating aquaculture relies primarily on specialized equipment within the system to provide a favorable farming environment, it minimizes the impact of human intervention, making this aquaculture model easier for the general public to adopt.

[0003] In recirculating aquaculture systems, the elimination and removal of harmful microorganisms is a crucial step, determining the health of aquaculture organisms. Ultraviolet (UV) disinfection, a classic sterilization method, offers advantages such as high efficiency, no residue, and safety. However, during normal production processes, feces and uneaten feed in the aquaculture water accumulate and adhere to the outer wall of the UV lamps as they pass through the UV sterilizer, affecting the penetration of UV light and significantly reducing sterilization efficiency.

[0004] Conventional UV sterilizers, due to limitations in typical lamp layouts, rarely incorporate automatic cleaning functions. In most cases, when the UV lamps become dirty, the outer casing must be disassembled to replace or clean them, a cumbersome and unsafe process.

[0005] This invention utilizes a novel ultraviolet lamp tube layout with an automatic cleaning device added to the outer perimeter of its protective cover to remove feces, uneaten feed, and other debris adhering to the tube wall. This extends the lifespan of the ultraviolet lamp tube, improves the efficiency of ultraviolet sterilizer maintenance, and has significant practical implications for actual production. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides an ultraviolet sterilizer with automatic cleaning function to solve the problems existing in the background art.

[0007] This utility model provides the following technical solution: an ultraviolet sterilizer with automatic cleaning function, including a sterilizer housing, with a water inlet and a water outlet respectively embedded at the top left and right ends of the sterilizer housing, an observation port provided at the top middle position of the sterilizer housing, an ultraviolet lamp tube embedded at the end of the sterilizer housing, and a glass cover fixedly installed on the inner wall of the sterilizer housing, the glass cover covering the surface of the ultraviolet lamp tube, and a cleaning component provided on the inner wall of the sterilizer housing corresponding to the glass cover;

[0008] The cleaning assembly includes a reciprocating screw rotatably connected to the inner wall of the sterilizer housing. A servo motor that drives the reciprocating screw to rotate is fixedly installed at the right end of the sterilizer housing. A first ring frame is threadedly connected to the surface of the reciprocating screw. A second ring frame is provided on the right side of the first ring frame. An annular brush is provided on the inner wall of the second ring frame. The annular brush is sleeved on the outer wall of the glass cover.

[0009] The right side of the first ring frame is provided with an annular limiting groove, and the second ring frame is rotatably connected to the first ring frame through the annular limiting groove. The outer arc surface of the second ring frame is circumferentially arrayed with several blades at equal intervals.

[0010] Furthermore, two supports are symmetrically welded to the bottom of the sterilizer housing, and straight grooves are opened on the surface of both supports.

[0011] As a further description of the above technical solution: by setting up a support, the sterilizer shell is supported by the support, and bolts are inserted into the straight groove to position the support.

[0012] Furthermore, a control panel is fixedly installed on the front of the sterilizer housing. The control panel is electrically connected to an external power source via wires, and a microprocessor and a timer are respectively installed inside the control panel.

[0013] As a further description of the above technical solution: by setting up a control panel, using a microprocessor and a timer, it is possible to set the servo motor to start periodically and stop automatically after the rated running time, without the need for additional human operation and supervision.

[0014] Furthermore, a limiting slide rod is fixedly installed on the inner wall of the sterilizer housing. The limiting slide rod and the reciprocating screw are symmetrically distributed on the front and rear sides of the sterilizer housing, and the first ring frame is slidably connected to the surface of the limiting slide rod.

[0015] As a further description of the above technical solution: by setting a limiting slide bar, the stability of the first ring frame during movement can be ensured.

[0016] Furthermore, the number of ultraviolet lamps is five, and the five ultraviolet lamps are arranged in a circumferential array at equal intervals inside the sterilizer housing.

[0017] As a further description of the above technical solution: by setting five ultraviolet lamps, the intensity and efficiency of disinfection can be improved.

[0018] Furthermore, an arc-shaped plate is fixedly installed on the inner wall of the sterilizer housing corresponding to the ultraviolet lamp tube. The inner arc surface of the arc-shaped plate is coated with reflective material, and the ultraviolet lamp tube is located on the side of the arc-shaped plate close to the inner arc surface.

[0019] As a further description of the above technical solution: by setting up an arc-shaped plate and coating the inner arc surface of the arc-shaped plate with reflective material, ultraviolet light can be focused and reflected towards the sewage, thereby further improving the intensity and efficiency of disinfection.

[0020] Furthermore, a drain pipe is embedded in the bottom side of the sterilizer housing, and a solenoid valve is provided on the surface of the drain pipe.

[0021] As a further description of the above technical solution: After cleaning the glass cover with a ring-shaped brush, the dirt will slowly sink with the aquaculture water after being removed. By opening the solenoid valve on the surface of the drain pipe, some of the aquaculture water containing a large amount of dirt can be drained.

[0022] Furthermore, a transmittance sensor for monitoring the brightness of the ultraviolet lamp is fixedly installed on the inner wall of the sterilizer housing.

[0023] As a further description of the above technical solution: by setting a light transmittance sensor, the intensity of ultraviolet light can be monitored. When the light intensity is lower than the set value, it indicates that there is a lot of dirt on the outer wall of the glass cover. At this time, the cleaning work of the glass cover can be actively started to ensure the disinfection effect of ultraviolet light on sewage.

[0024] The technical effects and advantages of this utility model are as follows:

[0025] 1. Compared with existing technologies, this ultraviolet sterilizer with automatic cleaning function allows external aquaculture water to enter the sterilizer housing through the inlet. The ultraviolet light emitted by the ultraviolet lamps emits specific wavelengths of ultraviolet light to extinguish and sterilize the microorganisms in the water. Subsequently, the aquaculture water flows out of the sterilizer housing through the outlet and enters the next stage of the circulating water treatment system. During the use of the ultraviolet lamps, a glass cover is used to isolate and protect the surface of the ultraviolet lamps, preventing damage to the ultraviolet lamps from polluting the aquaculture water.

[0026] 2. Compared with existing technologies, this UV sterilizer with automatic cleaning function prevents dirt from adhering to the surface of the glass cover during use, reducing the sterilization efficiency of the UV lamps. A servo motor drives a reciprocating screw to rotate, causing the first and second ring frames to move back and forth. Annular brushes clean the outer wall of the glass cover. During the rightward movement of the second ring frame, the pressure of the water acting on the blade surface drives the second ring frame to rotate, enhancing the cleaning effect of the annular brushes on the glass cover. After removal, the dirt slowly sinks with the aquaculture water. By opening the solenoid valve on the drain pipe, some of the aquaculture water containing a large amount of dirt can be drained.

[0027] 3. Compared with existing technologies, this UV sterilizer with automatic cleaning function utilizes a support to support the sterilizer housing, with bolts inserted inside the straight groove for positioning. A control panel, using a microprocessor and timer, allows for the periodic starting of the servo motor, which automatically stops after a rated operating time, eliminating the need for manual operation or monitoring. Limiting rods ensure stability during the movement of the first ring frame. Five UV lamps enhance disinfection intensity and efficiency. An arc-shaped plate with reflective material on its inner surface concentrates and reflects UV light towards the wastewater, further improving disinfection intensity and efficiency. A transmittance sensor monitors UV light intensity; when the intensity falls below a set value, indicating significant dirt on the glass outer wall, the system automatically initiates cleaning to ensure effective UV disinfection of the wastewater. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0029] Figure 2 A three-dimensional structural diagram of the front section of the sterilizer housing;

[0030] Figure 3 A three-dimensional structural diagram of the side section of the sterilizer housing;

[0031] Figure 4 This is a cross-sectional three-dimensional structural diagram of the second ring frame of this utility model.

[0032] The attached diagram is labeled as follows: 1. Sterilizer housing; 2. Water inlet; 3. Water outlet; 4. Observation port; 5. Ultraviolet lamp; 6. Glass cover; 7. Reciprocating screw; 8. Servo motor; 9. First ring frame; 10. Second ring frame; 11. Annular brush; 12. Annular limiting groove; 13. Blade; 14. Support; 15. Control panel; 16. Limiting slide bar; 17. Arc plate; 18. Sewage pipe; 19. Light transmittance sensor. Detailed Implementation

[0033] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The ultraviolet sterilizer with automatic cleaning function involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0034] Reference Figures 1 to 4 This utility model provides an ultraviolet sterilizer with automatic cleaning function, including a sterilizer housing 1, with two supports 14 symmetrically welded to the bottom of the sterilizer housing 1, and straight grooves opened on the surface of the two supports 14.

[0035] By setting up a support 14, the sterilizer housing 1 can be supported by the support 14. Bolts can be inserted into the straight groove to position and install the support 14.

[0036] A control panel 15 is fixedly installed on the front of the sterilizer housing 1. The control panel 15 is electrically connected to an external power source via wires. A microprocessor and a timer are installed inside the control panel 15.

[0037] By setting up the control panel 15, using a microprocessor and timer, the device can be set to start periodically and stop automatically after a rated operating time, without the need for additional human operation and supervision.

[0038] The top left and right ends of the sterilizer housing 1 are respectively fitted with a water inlet 2 and a water outlet 3. An observation port 4 is provided at the middle position of the top of the sterilizer housing 1. An ultraviolet lamp tube 5 is embedded at the end of the sterilizer housing 1. A glass cover 6 is fixedly installed on the inner wall of the sterilizer housing 1, and the glass cover 6 covers the surface of the ultraviolet lamp tube 5.

[0039] During use, the UV sterilizer with automatic cleaning function connects the inlet 2 and outlet 3 to the external aquaculture circulating water pipeline. The external aquaculture water is pre-treated by an external microfilter, protein separator, and biological tank before entering the sterilizer housing 1 through the inlet 2. The UV lamp 5 emits specific wavelengths of ultraviolet light to extinguish and sterilize the microorganisms in the water. The aquaculture water then flows out of the sterilizer housing 1 through the outlet 3 and enters the next stage of the circulating water treatment system. During the use of the UV lamp 5, a glass cover 6 is used to protect the surface of the UV lamp 5 from damage and breakage, which could pollute the aquaculture water.

[0040] There are five ultraviolet lamps 5, which are arranged in a circular array at equal intervals inside the sterilizer housing 1.

[0041] By setting up five ultraviolet lamps, the intensity and efficiency of disinfection can be improved.

[0042] An arc-shaped plate 17 is fixedly installed on the inner wall of the sterilizer housing 1, corresponding to the ultraviolet lamp tube 5. The inner arc surface of the arc plate 17 is coated with reflective material, and the ultraviolet lamp tube 5 is located on the side of the arc plate 17 close to the inner arc surface.

[0043] By setting up an arc-shaped plate 17 and coating the inner arc surface of the arc-shaped plate 17 with reflective material, ultraviolet light can be focused and reflected towards the sewage, further improving the intensity and efficiency of disinfection.

[0044] A cleaning component is provided on the inner wall of the sterilizer housing 1 corresponding to the glass outer cover 6.

[0045] The cleaning assembly includes a reciprocating screw 7 rotatably connected to the inner wall of the sterilizer housing 1. A servo motor 8 that drives the reciprocating screw 7 to rotate is fixedly installed at the right end of the sterilizer housing 1. A first ring frame 9 is threadedly connected to the surface of the reciprocating screw 7. A second ring frame 10 is provided on the right side of the first ring frame 9. An annular brush 11 is provided on the inner wall of the second ring frame 10. The annular brush 11 is sleeved on the outer wall of the glass cover 6.

[0046] The right side of the first ring frame 9 is provided with an annular limiting groove 12. The second ring frame 10 is rotatably connected to the first ring frame 9 through the annular limiting groove 12, and the outer arc surface of the second ring frame 10 is equidistantly fitted with a number of blades 13 in a circular array.

[0047] During use, dirt adheres to the surface of the glass cover 6 of this UV sterilizer with automatic cleaning function, reducing the sterilization efficiency of the UV lamp tube 5. The servo motor 8 drives the reciprocating screw 7 to rotate, which in turn drives the first ring frame 9 and the second ring frame 10 to move back and forth. The annular brush 11 is used to scrub and clean the outer wall of the glass cover 6. During the movement of the second ring frame 10 to the right, the pressure of the water acts on the surface of the blade 13, which drives the second ring frame 10 to rotate, improving the cleaning effect of the annular brush 11 on the glass cover 6.

[0048] A drain pipe 18 is embedded in the bottom side of the sterilizer housing 1, and a solenoid valve is provided on the surface of the drain pipe 18.

[0049] Furthermore, after the waste is removed, it will slowly sink with the aquaculture water. By opening the solenoid valve on the surface of the drain pipe 18, some of the aquaculture water containing a large amount of waste can be drained.

[0050] A limiting slide rod 16 is fixedly installed on the inner wall of the sterilizer housing 1. The limiting slide rod 16 and the reciprocating screw 7 are symmetrically distributed on the front and rear sides of the sterilizer housing 1. The first ring frame 9 is slidably connected to the surface of the limiting slide rod 16.

[0051] By setting the limit slide bar 16, the stability of the first ring frame 9 during movement can be ensured.

[0052] A transmittance sensor 19 for monitoring the brightness of the ultraviolet lamp tube 5 is fixedly installed on the inner wall of the sterilizer housing 1.

[0053] By setting a light transmittance sensor 19, the intensity of ultraviolet light can be monitored. When the light intensity is lower than the set value, it indicates that there is a lot of dirt on the outer wall of the glass cover 6. At this time, the signal can be transmitted to the control panel 15, and the servo motor 8 can be started through the control panel 15 to actively and timely clean the glass cover 6 with the ring brush 11, so as to ensure the disinfection effect of ultraviolet light on sewage.

[0054] Finally, it should be noted that the accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. A UV sterilizer with automatic cleaning function, comprising a sterilizer housing (1), characterized in that: The top left and right ends of the sterilizer housing (1) are respectively fitted with a water inlet (2) and a water outlet (3). An observation port (4) is provided at the top middle position of the sterilizer housing (1). An ultraviolet lamp tube (5) is embedded at the end of the sterilizer housing (1). A glass cover (6) is fixedly installed on the inner wall of the sterilizer housing (1). The glass cover (6) covers the surface of the ultraviolet lamp tube (5). A cleaning component is provided on the inner wall of the sterilizer housing (1) corresponding to the glass cover (6). The cleaning assembly includes a reciprocating screw (7) rotatably connected to the inner wall of the sterilizer housing (1). A servo motor (8) for driving the reciprocating screw (7) to rotate is fixedly installed at the right end of the sterilizer housing (1). A first ring frame (9) is threadedly connected to the surface of the reciprocating screw (7). A second ring frame (10) is provided on the right side of the first ring frame (9). An annular brush (11) is provided on the inner wall of the second ring frame (10). The annular brush (11) is sleeved on the outer wall of the glass cover (6). The right side of the first ring frame (9) is provided with an annular limiting groove (12), and the second ring frame (10) is rotatably connected to the first ring frame (9) through the annular limiting groove (12). The outer arc surface of the second ring frame (10) is equidistantly fitted with several blades (13) in a circular array.

2. The ultraviolet sterilizer with automatic cleaning function according to claim 1, characterized in that: Two supports (14) are symmetrically welded to the bottom of the sterilizer housing (1), and straight grooves are opened on the surface of both supports (14).

3. The ultraviolet sterilizer with automatic cleaning function according to claim 1, characterized in that: The front of the sterilizer housing (1) is fixedly installed with a control panel (15). The control panel (15) is electrically connected to an external power source through wires. The control panel (15) is equipped with a microprocessor and a timer.

4. The ultraviolet sterilizer with automatic cleaning function according to claim 1, characterized in that: A limiting slide rod (16) is fixedly installed on the inner wall of the sterilizer housing (1). The limiting slide rod (16) and the reciprocating screw (7) are symmetrically distributed on the front and rear sides of the sterilizer housing (1). The first ring frame (9) is slidably connected to the surface of the limiting slide rod (16).

5. A UV sterilizer with automatic cleaning function according to claim 1, characterized in that: The number of ultraviolet lamps (5) is five, and the five ultraviolet lamps (5) are arranged in a circumferential array at equal intervals inside the sterilizer housing (1).

6. A UV sterilizer with automatic cleaning function according to claim 1, characterized in that: An arc-shaped plate (17) is fixedly installed on the inner wall of the sterilizer housing (1) corresponding to the ultraviolet lamp tube (5). The inner arc surface of the arc-shaped plate (17) is coated with reflective material, and the ultraviolet lamp tube (5) is located on the side of the arc-shaped plate (17) close to the inner arc surface.

7. A UV sterilizer with automatic cleaning function according to claim 1, characterized in that: The bottom side of the sterilizer housing (1) is fitted with a drain pipe (18), and a solenoid valve is provided on the surface of the drain pipe (18).

8. A UV sterilizer with automatic cleaning function according to claim 1, characterized in that: A transmittance sensor (19) for monitoring the brightness of the ultraviolet lamp (5) is fixedly installed on the inner wall of the sterilizer housing (1).