An aquaculture pond dissolved oxygen monitoring device

Abstract

The utility model provides a kind of aquaculture pond dissolved oxygen monitoring device, belong to aquaculture dissolved oxygen monitoring technical field, this aquaculture pond dissolved oxygen monitoring device, including;Bottom plate;Float, float fixedly connected in the side end of bottom plate;Two support blocks, two support blocks are respectively fixedly connected in the upper end of bottom plate;Self-locking motor, self-locking motor is fixedly connected in the side end of support block by bolt;By setting liftable dissolved oxygen sensor probe structure, combine the gear rack drive mechanism driven by self-locking motor, the flexible monitoring of different water layer dissolved oxygen data of pond is realized.In actual use, aquaculture personnel can manually start self-locking motor according to fish activity depth or water quality change, drive dissolved oxygen sensor probe to steadily lift to target water depth for real-time detection, and data is read on site through display screen.The mode avoids the limitation that traditional fixed probe can only monitor single water layer, improves the pertinence and coverage of monitoring.

Description

Technical Field

[0001] This utility model belongs to the field of dissolved oxygen monitoring technology in aquaculture, and specifically relates to a device for monitoring dissolved oxygen in aquaculture ponds. Background Technology

[0002] In aquaculture, dissolved oxygen content in the water is one of the key environmental parameters affecting the growth, survival, and health of farmed organisms. Low dissolved oxygen levels can lead to fish surfacing due to oxygen deficiency, and even mass suffocation and death; while high dissolved oxygen levels or uneven distribution can trigger stress responses or gaseous diseases. Therefore, real-time and accurate monitoring of dissolved oxygen levels in aquaculture ponds has become an important aspect of modern aquaculture management. Currently, many aquaculture ponds have begun to use dissolved oxygen sensors for online monitoring.

[0003] Existing dissolved oxygen monitoring devices for aquaculture ponds mostly use fixed-mount probes with non-adjustable depth. These probes only reflect the dissolved oxygen levels at a fixed water layer, making it difficult to comprehensively monitor dissolved oxygen stratification across the pond's vertical water column. This is especially problematic during high-temperature seasons or under high-density aquaculture conditions, where differences in dissolved oxygen levels between water layers are common. Fixed monitoring methods are no longer sufficient for the demands of refined management. Furthermore, some devices use threaded connections or terminal blocks for probe fixation, leading to cumbersome disassembly and assembly processes. Replacement or cleaning requires tools, making maintenance inconvenient and impacting operational efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a dissolved oxygen monitoring device for aquaculture ponds, which aims to solve the problems of existing dissolved oxygen probes being mostly fixed installations with non-adjustable probe depths, only reflecting the dissolved oxygen status of a fixed water layer, making it difficult to comprehensively grasp the dissolved oxygen stratification changes in the vertical water body of the pond, and the use of threaded connections or terminal blocks for some equipment dissolved oxygen probes, which makes disassembly and assembly cumbersome, requires tools for replacement or cleaning, and is inconvenient to maintain, affecting the efficiency of use.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A device for monitoring dissolved oxygen levels in aquaculture ponds includes: Base plate; A float, which is fixedly connected to the side end of the base plate; Two support blocks are fixedly connected to the upper end of the base plate. The self-locking motor is fixedly connected to one side of the support block by bolts; A rotating rod, which is fixedly connected to the output shaft of the base plate and rotatably connected to two support blocks; A gear, which is fixedly connected to the circumferential surface of the rotating rod; A limiting shell, which is fixedly connected to the upper end of the base plate; A rack, which is slidably connected within a limiting shell, and meshes with a gear; Mounting plate, which is fixedly connected to the lower end of the rack; Dissolved oxygen sensor probe, wherein the dissolved oxygen sensor probe is movably snapped onto the lower end of the mounting plate; Mounting bracket, which is fixedly connected to the upper end of the base plate; The display screen is mounted on the upper end of the mounting bracket and is electrically connected to the dissolved oxygen sensor probe. A snap-fit ​​assembly is provided within the mounting plate to enable quick assembly and disassembly of the dissolved oxygen sensor probe.

[0006] As a preferred embodiment of this utility model, the snap-fit ​​assembly includes an arrow-shaped snap-fit ​​block, a slot, a sliding groove, a spring, a beveled snap-fit ​​block, and a pull block. Two sliding grooves, springs, beveled snap-fit ​​blocks, and pull blocks are provided. The arrow-shaped snap-fit ​​block is fixedly connected to the upper end of the dissolved oxygen sensor probe. The slot is opened at the lower end of the mounting plate. The two sliding grooves are respectively opened on the inner walls of the two sides of the slot and communicate with the slot. One end of each of the two springs is fixedly connected to one side of the inner wall of the two sliding grooves. The two beveled snap-fit ​​blocks are respectively fixedly connected to the other end of the two springs. The two pull blocks are respectively fixedly connected to the lower end of the two beveled snap-fit ​​blocks.

[0007] In a preferred embodiment of this utility model, the lower end of the mounting plate is fixedly connected to a protective shell by bolts, and the surface of the protective shell has multiple through holes, with the dissolved oxygen sensor probe and the snap-fit ​​assembly located inside the protective shell.

[0008] In a preferred embodiment of this utility model, the arrow-shaped card block has inclined surfaces on both sides, and one side of the two inclined card blocks is also inclined, with the inclined surfaces of the arrow-shaped card block and the two inclined card blocks cooperating with each other.

[0009] In a preferred embodiment of this utility model, a solar panel is fixedly connected to the upper end of the base plate, and the solar panel is electrically connected to the self-locking motor, the dissolved oxygen sensor probe, and the display screen.

[0010] In a preferred embodiment of this utility model, a connecting block is fixedly connected to the upper end of the base plate, and a fixing ring is fixedly connected to one side end of the connecting block.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This solution utilizes a height-adjustable dissolved oxygen sensor probe structure, combined with a gear and rack transmission mechanism driven by a self-locking motor, to achieve flexible monitoring of dissolved oxygen data at different water layers in the pond. In practical use, aquaculture personnel can manually activate the self-locking motor based on the fish activity depth or changes in water quality, causing the dissolved oxygen sensor probe to smoothly rise and fall to the target water depth for real-time monitoring. The data can then be read on-site via a display screen. This method avoids the limitation of traditional fixed probes that can only monitor a single water layer, improving the targeting and coverage of monitoring.

[0012] 2. This solution employs a design combining snap-fit ​​components and a protective shell, significantly improving equipment maintenance efficiency and operational reliability. When the dissolved oxygen sensor probe needs replacement or calibration, simply using your fingers to pull the levers on both sides unlocks it, enabling quick probe disassembly and replacement. The entire process requires no tools and is easy to operate. Simultaneously, the protective shell effectively prevents algae, silt, and aquaculture organisms from adhering to and damaging the probe and snap-fit ​​structure. Attached Figure Description

[0013] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 This is a front perspective view of the present invention; Figure 2 This is a first sectional view of the present invention; Figure 3 This is a second sectional view of the present invention; Figure 4 This is the third sectional view of the present invention.

[0014] In the diagram: 1. Base plate; 2. Float; 3. Support block; 4. Self-locking motor; 5. Rotating rod; 6. Gear; 7. Limiting shell; 8. Toothed rod; 9. Mounting plate; 10. Dissolved oxygen sensor probe; 11. Mounting bracket; 12. Display screen; 13. Arrow-shaped locking block; 14. Slot; 15. Sliding groove; 16. Spring; 17. Angled locking block; 18. Pulling block; 19. Protective shell; 20. Solar panel; 21. Connecting block; 22. Fixing ring. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example 1 Please see Figures 1-4 The present invention provides the following technical solution: A device for monitoring dissolved oxygen levels in aquaculture ponds includes: Base plate 1; Float 2 is fixedly connected to the side end of the base plate 1; Two support blocks 3 are fixedly connected to the upper end of the base plate 1; The self-locking motor 4 is fixedly connected to one side of the support block 3 by bolts; Rotating rod 5 is fixedly connected to the output shaft of the base plate 1 and rotatably connected to the two support blocks 3; Gear 6 is fixedly connected to the circumferential surface of rotating rod 5; Limiting shell 7 is fixedly connected to the upper end of base plate 1; The rack 8 is slidably connected inside the limiting shell 7, and the rack 8 meshes with the gear 6; Mounting plate 9 is fixedly connected to the lower end of the rack 8; Dissolved oxygen sensor probe 10 is movably clipped to the lower end of mounting plate 9; Mounting bracket 11 is fixedly connected to the upper end of base plate 1; Display screen 12 is mounted on the upper end of mounting bracket 11 and is electrically connected to dissolved oxygen sensor probe 10. A snap-fit ​​assembly is provided within the mounting plate 9 to enable quick assembly and disassembly of the dissolved oxygen sensor probe 10.

[0017] In a specific embodiment of this utility model, when the self-locking motor 4 starts, its output shaft drives the rotating rod 5 to rotate between the two support blocks 3. The rotation of the rotating rod 5 drives the gear 6 fixed on it to rotate synchronously. The gear 6 meshes with the rack 8, so that the rack 8 rises and falls smoothly in the vertical direction under the guidance of the limiting shell 7. This drives the mounting plate 9 and the dissolved oxygen sensor probe 10 at the lower end to achieve flexible adjustment of the underwater depth, which is convenient for obtaining dissolved oxygen information according to the water layer requirements of different aquaculture areas. When the entire device floats in the pond, the float 2 provides stable buoyancy, keeping the bottom plate 1 in a balanced posture. The display screen 12 is located above the mounting frame 11, which is convenient for aquaculture personnel to view real-time data at close range. When it is necessary to replace or maintain the dissolved oxygen sensor probe 10, it is only necessary to remove the dissolved oxygen sensor probe 10 from the snap-fit ​​assembly of the mounting plate 9. The snap-fit ​​assembly can quickly release the clamping force, and the disassembly process does not require the assistance of tools.

[0018] Please refer to the details. Figures 1-4The snap-fit ​​assembly includes an arrow-shaped snap-fit ​​block 13, a slot 14, a sliding groove 15, a spring 16, a beveled snap-fit ​​block 17, and a pull block 18. There are two sliding grooves 15, springs 16, beveled snap-fit ​​blocks 17, and pull blocks 18. The arrow-shaped snap-fit ​​block 13 is fixedly connected to the upper end of the dissolved oxygen sensor probe 10. The slot 14 is opened at the lower end of the mounting plate 9. The two sliding grooves 15 are respectively opened on the inner walls of the two sides of the slot 14 and communicate with the slot 14. One end of each of the two springs 16 is fixedly connected to one side of the inner wall of the two sliding grooves 15. The two beveled snap-fit ​​blocks 17 are respectively fixedly connected to the other end of the two springs 16. The two pull blocks 18 are respectively fixedly connected to the lower end of the two beveled snap-fit ​​blocks 17.

[0019] In this embodiment: when the dissolved oxygen sensor probe 10 is inserted into the slot 14 of the mounting plate 9, the arrow-shaped locking block 13 at the upper end of the probe first enters the slot 14. Its two inclined surfaces contact the inclined surfaces of the two inclined locking blocks 17 and apply pressure. Under the action of the inclined surfaces, the inclined locking blocks 17 slide into the sliding groove 15, compressing the spring 16. When the arrow-shaped locking block 13 is fully inserted into the slot 14, the spring 16 releases its elastic force, pushing the inclined locking blocks 17 back to their original position, so that they are locked into the step of the arrow-shaped locking block 13, achieving automatic locking. When it is necessary to disassemble the probe, the operator uses their fingers to push the two pull blocks 18 to the sides, causing the inclined locking blocks 17 to overcome the elastic force of the spring 16 and exit the locking position, so that the dissolved oxygen sensor probe 10 can be removed as a whole. In this way, the locking assembly, through the inclined surface guidance and elastic locking cooperation, makes the installation and disassembly of the dissolved oxygen sensor probe 10 simple, without the need for additional tools, thus improving maintenance efficiency.

[0020] Please refer to the details. Figures 1-4 The lower end of the mounting plate 9 is fixedly connected to the protective shell 19 by bolts. The surface of the protective shell 19 has multiple through holes, and the dissolved oxygen sensor probe 10 and the snap-fit ​​assembly are located inside the protective shell 19.

[0021] In this embodiment: when the device is operating in the pond, the protective shell 19 is placed under the mounting plate 9, completely enclosing the dissolved oxygen sensor probe 10 and the snap-fit ​​assembly within its internal space. In this way, the protective shell 19 effectively prevents floating objects, algae, or aquatic organisms in the water from directly colliding with or entangled with the probe and snap-fit ​​structure, reducing external interference. Simultaneously, multiple through holes on the shell surface allow free water flow, ensuring normal contact between the probe and the water sample. When maintenance is required, the protective shell 19 can be removed entirely by unscrewing the bolts, without affecting the operation of the internal components. Thus, the protective shell 19 provides physical protection while also facilitating water sample exchange and maintenance.

[0022] Please refer to the details. Figures 1-4 The arrow-shaped card block 13 has slopes on both sides, and one side of the two sloped card blocks 17 is also a slope. The slopes of the arrow-shaped card block 13 and the slopes of the two sloped card blocks 17 are matched.

[0023] In this embodiment: when the arrow-shaped locking block 13 is inserted into the slot 14, its two inclined surfaces form a guiding contact with the inclined surface of the inclined locking block 17, generating a lateral force during insertion, pushing the inclined locking block 17 back into the sliding groove 15, achieving smooth insertion. The inclined structure avoids rigid jamming, allowing the probe to be inserted smoothly even if the alignment is not completely accurate. After the arrow-shaped locking block 13 is fully inserted, the inclined locking block 17 automatically slides into its slot position under the action of the spring 16, completing the locking. In this way, the inclined surface design improves the fault tolerance and smoothness of the locking process, making the connection action more reliable and the operation less strenuous.

[0024] Please refer to the details. Figures 1-4 A solar panel 20 is fixedly connected to the upper end of the base plate 1. The solar panel 20 is electrically connected to the self-locking motor 4, the dissolved oxygen sensor probe 10, and the display screen 12.

[0025] In this embodiment: when the device is placed on the surface of the pond, the solar panel 20 faces the sunlight, converting light energy into electrical energy to provide a continuous power supply for the self-locking motor 4, dissolved oxygen sensor probe 10, and display screen 12; thus, there is no need for an external power source or frequent battery replacements, reducing the dependence on fixed power supply facilities and making it suitable for remote or scattered aquaculture areas; when there is sufficient sunlight, the solar panel 20 can also charge the built-in energy storage element to ensure basic operation during cloudy or rainy weather or at night; thus, the device can achieve independent power supply using renewable energy, extending the continuous working time and improving its adaptability for field use.

[0026] Please refer to the details. Figures 1-4 A connecting block 21 is fixedly connected to the upper end of the base plate 1, and a fixing ring 22 is fixedly connected to one side end of the connecting block 21.

[0027] In this embodiment: when multiple monitoring devices need to be fixedly deployed in the pond, ropes or metal wires can be threaded through the fixing ring 22 to connect the devices to the pond edge piles, floating platforms or other anchoring structures. The connecting block 21 enhances the connection strength between the fixing ring 22 and the bottom plate 1, preventing the connection from loosening or breaking due to water flow impact or wind and waves. When the pond water level fluctuates or the wind and waves are large, the device can float with the waves within a certain range while maintaining overall positional stability, avoiding drifting to dangerous areas or colliding with other facilities. The combination structure of the fixing ring 22 and the connecting block 21 realizes flexible anchoring of the device, taking into account both stability and adaptability.

[0028] The working principle and usage process of this utility model are as follows: First, the entire dissolved oxygen monitoring device is placed in an aquaculture pond. The float 2 provides buoyancy so that the bottom plate 1 and the upper components float stably on the water surface. At the same time, the anchor rope or fixed structure is connected through the connecting block 21 and the fixing ring 22 to prevent the device from drifting with the water flow. Once the device is in place, the solar panel 20 automatically receives sunlight, converts the light energy into electrical energy, and powers the self-locking motor 4, dissolved oxygen sensor probe 10, and display screen 12 via waterproof wires. Simultaneously, it charges the built-in energy storage element, ensuring continuous operation around the clock. When it is necessary to monitor the dissolved oxygen level in the water, the self-locking motor 4 is activated. Its output shaft drives the rotating rod 5 to rotate, and the gear 6 on the rotating rod 5 rotates accordingly, meshing with the rack 8. This pushes the rack 8 vertically up and down under the guidance of the limiting shell 7. In this way, the mounting plate 9 installed at the lower end of the rack 8 and the dissolved oxygen sensor probe 10 move up and down synchronously, allowing the probe to be adjusted to the desired water depth, enabling the collection of dissolved oxygen data at different water layers. During the probe's operation, the dissolved oxygen sensor probe 10 detects the dissolved oxygen concentration in the water in real time and transmits the signal to the display screen 12 on the mounting frame 11 via a sealed circuit for on-site viewing by aquaculture personnel. The probe is equipped with a protective shell 19 with through holes, which allows water samples to flow freely while effectively preventing algae, debris, or aquaculture organisms from directly colliding with and entangled with the probe. When it is necessary to replace or maintain the dissolved oxygen sensor probe 10, the operator pulls the two side pull blocks 18, which causes the inclined locking block 17 to overcome the elastic force of the spring 16 and exit its locking position, allowing the probe, along with the arrow-shaped locking block 13 at its upper end, to be removed from the slot 14. When replacing with a new probe, it is aligned with the slot 14 and inserted. The inclined surface of the arrow-shaped locking block 13 guides the inclined locking block 17 to automatically retract and reset and lock, completing the quick installation. The entire process requires no tools and is convenient for disassembly and assembly.

[0029] It should be noted that the connection and use of the self-locking motor 4, dissolved oxygen sensor probe 10, display screen 12, and solar panel 20 in this solution are all existing technologies and will not be elaborated upon here. Furthermore, in this solution, all electrical connections between the solar panel 20, self-locking motor 4, dissolved oxygen sensor probe 10, display screen 12, and energy storage elements use waterproof wires and connectors. Connection points are protected using sealant, waterproof joints, or sealed cavities to ensure stable power supply and signal transmission in humid, splashing, or rainy environments. It should be noted that mature solutions already exist for waterproof electrical connections in outdoor aquatic environments for electronic devices, such as IP67 and higher level sealing designs, silicone potting, and rubber O-ring seals, all of which are conventional and reliable techniques in this field. Therefore, although this solution relies on waterproof electrical connections to ensure normal operation, its specific structure is not the focus of innovation; related implementation methods can be achieved based on existing mature technologies and will not be elaborated upon further.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A device for monitoring dissolved oxygen levels in aquaculture ponds, characterized in that, include: Base plate (1); A float (2) is fixedly connected to the side end of the base plate (1); Two support blocks (3) are fixedly connected to the upper end of the base plate (1); The self-locking motor (4) is fixedly connected to one side of the support block (3) by bolts; Rotary rod (5), which is fixedly connected to the output shaft of the base plate (1) and rotatably connected to the two support blocks (3); Gear (6), the gear (6) is fixedly connected to the circumferential surface of the rotating rod (5); A limiting shell (7) is fixedly connected to the upper end of the base plate (1); A rack (8) is slidably connected inside a limiting shell (7), and the rack (8) meshes with a gear (6); Mounting plate (9), which is fixedly connected to the lower end of the rack (8); Dissolved oxygen sensor probe (10), wherein the dissolved oxygen sensor probe (10) is movably snapped onto the lower end of the mounting plate (9); Mounting bracket (11), which is fixedly connected to the upper end of the base plate (1); The display screen (12) is mounted on the upper end of the mounting bracket (11) and is electrically connected to the dissolved oxygen sensor probe (10). A snap-fit ​​assembly is provided inside the mounting plate (9) to enable quick assembly and disassembly of the dissolved oxygen sensor probe (10).

2. The dissolved oxygen monitoring device for aquaculture ponds according to claim 1, characterized in that: The snap-fit ​​assembly includes an arrow-shaped snap-fit ​​block (13), a slot (14), a sliding groove (15), a spring (16), a beveled snap-fit ​​block (17), and a pull block (18). There are two sliding grooves (15), springs (16), beveled snap-fit ​​blocks (17), and pull blocks (18). The arrow-shaped snap-fit ​​block (13) is fixedly connected to the upper end of the dissolved oxygen sensor probe (10). The slot (14) is opened at the lower end of the mounting plate (9). The two sliding grooves (15) are respectively opened on the inner walls of the two sides of the slot (14) and communicate with the slot (14). One end of each of the two springs (16) is fixedly connected to one side of the inner wall of the two sliding grooves (15). The two beveled snap-fit ​​blocks (17) are respectively fixedly connected to the other end of the two springs (16). The two pull blocks (18) are respectively fixedly connected to the lower end of the two beveled snap-fit ​​blocks (17).

3. The dissolved oxygen monitoring device for aquaculture ponds according to claim 2, characterized in that: The lower end of the mounting plate (9) is fixedly connected to a protective shell (19) by bolts. The surface of the protective shell (19) has multiple through holes, and the dissolved oxygen sensor probe (10) and the snap-fit ​​assembly are located inside the protective shell (19).

4. The dissolved oxygen monitoring device for aquaculture ponds according to claim 3, characterized in that: The arrow-shaped card block (13) has inclined surfaces on both sides, and one side of the two inclined card blocks (17) is also an inclined surface. The inclined surfaces of the arrow-shaped card block (13) and the two inclined card blocks (17) are matched.

5. The dissolved oxygen monitoring device for aquaculture ponds according to claim 4, characterized in that: A solar panel (20) is fixedly connected to the upper end of the base plate (1), and the solar panel (20) is electrically connected to the self-locking motor (4), the dissolved oxygen sensor probe (10) and the display screen (12).

6. The dissolved oxygen monitoring device for aquaculture ponds according to claim 5, characterized in that: A connecting block (21) is fixedly connected to the upper end of the base plate (1), and a fixing ring (22) is fixedly connected to one side end of the connecting block (21).

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