Automatically-controlled oxygenation device

Abstract

The utility model belongs to the technical field of oxygenation devices, and discloses an automatic control oxygenation device which comprises a base, an aerator is installed on the top of the base, a frequency converter connected with the aerator is installed on the aerator, a main controller is installed on the aerator, and the main controller is connected with a sensor set and an alarm module. The sensor group comprises a composite dissolved oxygen detection unit composed of an optical type dissolved oxygen sensor and an electrode type dissolved oxygen sensor, the aerator is connected with a vertically-arranged water inlet cylinder through a connecting pipe, and the sensor group further comprises a water temperature sensor, a PH value sensor and a water flow velocity sensor; the sensors are uniformly distributed at different height positions of the water inlet cylinder, and the frequency converter adjusts the output power of the aerator according to the difference value between the measurement data of the composite dissolved oxygen detection unit and a preset threshold value to form closed-loop control. According to the utility model, measurement errors caused by algae attachment, bubble interference or mechanical vibration of a single sensor can be effectively reduced, and data reliability can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of oxygenation device technology, and in particular to an automatically controlled oxygenation device. Background Technology

[0002] An automated oxygenation device is an automated system composed of sensors, controllers, and actuators. It can monitor the dissolved oxygen content in water in real time and automatically start and stop oxygenation equipment (such as aerators and air pumps) according to preset thresholds to maintain a stable oxygen concentration in the water. Its core function is to reduce human intervention and ensure that the aquatic environment is suitable for the survival of aquatic organisms. It is widely used, especially in aquaculture, sewage treatment, or aquarium management.

[0003] Traditional aeration devices for aquaculture often use a single dissolved oxygen sensor for control. This control method has the problem that a single sensor is easily affected by the water environment (such as algae attachment, bubble interference, or mechanical vibration), which leads to the distortion of measurement data. Therefore, we propose an automatically controlled aeration device. Utility Model Content

[0004] In view of the problem that the existing oxygenation devices have a single sensor that is easily affected by the water environment, resulting in distorted measurement data, this utility model is proposed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] An automatically controlled oxygenation device includes a base, an oxygenator mounted on top of the base, a frequency converter connected to the oxygenator mounted on the oxygenator, a main controller mounted on the oxygenator, and a sensor group and an alarm module connected to the main controller.

[0007] The sensor group includes a composite dissolved oxygen detection unit consisting of an optical dissolved oxygen sensor and an electrode dissolved oxygen sensor, and the aerator is connected to a vertically arranged water inlet cylinder through a connecting pipe.

[0008] As a technical solution for an automatically controlled oxygenation device according to the present invention, the sensor group further includes a water temperature sensor, a pH value sensor, and a water flow velocity sensor, and each sensor is arranged at different height positions of the water inlet cylinder.

[0009] As a technical solution for an automatically controlled oxygenation device according to the present invention, the frequency converter adjusts the output power of the oxygenator based on the difference between the measurement data of the composite dissolved oxygen detection unit and the preset threshold, thereby forming a closed-loop control.

[0010] As a technical solution of the automatic control oxygenation device described in this utility model, the alarm module includes an audible and visual alarm and a wireless communication unit, which can trigger an alarm when the dissolved oxygen concentration exceeds the set range or when any parameter such as pH value or water temperature is abnormal.

[0011] As a technical solution of the automatically controlled oxygenation device of this utility model, the end of the connecting pipe away from the water inlet cylinder is connected to the oxygenator by a plugging rotary joint.

[0012] As a technical solution of the automatic control oxygenation device of this utility model, it further includes a backup battery box installed on the oxygenator. The backup battery box is equipped with a rechargeable lithium battery for backup in case of main power failure and a UPS uninterruptible power supply circuit. The rechargeable lithium battery is electrically connected to the main controller, the sensor group and the oxygenator.

[0013] Compared with the prior art, the present invention has at least the following beneficial effects:

[0014] 1. This utility model combines the advantages of optical and electrode dissolved oxygen sensors through a composite detection unit. The optical sensor has strong anti-pollution properties, while the electrode sensor has a fast response speed. This effectively reduces the measurement error caused by algae attachment, bubble interference, or mechanical vibration of a single sensor, ensuring data reliability.

[0015] 2. This utility model, by adding water temperature, pH value, and water flow velocity sensors, and dynamically adjusting the aerator power based on the difference between multiple parameters and preset thresholds, forms a closed-loop control, which can avoid local data deviations, achieve precise matching between oxygenation and water body demand, and reduce energy waste.

[0016] 3. This utility model, by equipping a backup battery box and UPS uninterrupted power supply, can ensure the system continues to operate when the main power supply is interrupted. At the same time, the alarm module provides real-time warnings of abnormal parameters through audible and visual alarms and wireless communication, which can reduce the risk of aquaculture. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model.

[0019] Figure 2This is a schematic side view of the overall structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the assembly and connection structure of the water inlet tube and various sensors of this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] In the diagram: 1. Base; 2. Aerator; 201. Connecting pipe; 202. Water inlet cylinder; 3. Frequency converter; 4. Main controller; 401. Alarm module; 501. Optical dissolved oxygen sensor; 502. Electrode dissolved oxygen sensor; 601. Water temperature sensor; 602. pH sensor; 603. Water flow velocity sensor; 7. Spare battery box. Detailed Implementation

[0023] 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.

[0024] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0025] Meanwhile, the meaning of "and / or" or "and / or" appearing throughout the text is that it includes three options. Taking "A and / or B" as an example, it includes option A, option B, or an option that satisfies both A and B.

[0026] Furthermore, in this utility model, descriptions involving "first," "second," etc., are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0027] Reference Figures 1-3An automatically controlled oxygenation device is provided. This automatically controlled oxygenation device includes a base 1, an oxygenator 2 is installed on the top of the base 1 (the oxygenator 2 is prior art and will not be described in detail here), a frequency converter 3 connected to the oxygenator 2 is installed on the oxygenator 2, a main controller 4 is installed on the oxygenator 2, and the main controller 4 is connected to a sensor group and an alarm module 401.

[0028] The sensor group comprises a composite dissolved oxygen detection unit consisting of an optical dissolved oxygen sensor 501 and an electrode dissolved oxygen sensor 502. By complementing the anti-fouling properties of the optical dissolved oxygen sensor 501 and the rapid response of the electrode dissolved oxygen sensor 502, errors caused by algae attachment, bubbles, or vibration of a single sensor are reduced, thereby improving the accuracy of dissolved oxygen monitoring. The optical dissolved oxygen sensor 501 is positioned downwards to avoid bubble interference, while the electrode dissolved oxygen sensor 502 is installed laterally to respond quickly to changes in water flow. The aerator 2 is connected to a vertically positioned water inlet cylinder 202 via a connecting pipe 201. The design of the vertical water inlet cylinder 202 enhances the coverage of water sampling depth and avoids interference from surface water fluctuations, making the detection data closer to the real aquaculture environment.

[0029] Reference Figure 1 and Figure 3 The sensor group also includes a water temperature sensor 601, a pH sensor 602, and a water flow velocity sensor 603. Through cross-validation of multi-dimensional data, the limitations of controlling a single dissolved oxygen parameter are avoided. Each sensor is deployed at different heights in the inlet cylinder 202. The different height distribution can capture the vertical stratification differences of the water body, thereby improving the targeting of the oxygenation strategy.

[0030] Reference Figure 1 and Figure 2 The inverter 3 adjusts the output power of the aerator 2 based on the difference between the measurement data of the composite dissolved oxygen detection unit and the preset threshold, forming a closed-loop control. In application, the inverter 3 adjusts the power according to the dynamic difference between the detection value and the threshold, which can avoid the power sudden change of the traditional "on / off" control, thus saving energy and extending the equipment life.

[0031] Reference Figure 1 The alarm module 401 includes an audible and visual alarm and a wireless communication unit. The wireless communication unit sends alarm signals to the mobile terminal via 4G / 5G. An alarm can be triggered when the dissolved oxygen concentration exceeds the set range or when any parameter such as pH or water temperature is abnormal. In application, the audible and visual alarm is used for rapid on-site response, while wireless communication (such as SMS / APP notification) supports remote management, providing dual protection for the timely handling of abnormal events (such as pH changes).

[0032] Reference Figure 1 and Figure 2The end of the connecting pipe 201 away from the water inlet cylinder 202 is connected to the aerator 2 by a plugging rotary joint, which can prevent the vibration of the aerator 2 from being transmitted to the sensor unit, while reducing the risk of water impurities clogging the device and improving the durability of the equipment.

[0033] Reference Figure 1 and Figure 2 It also includes a backup battery box 7 installed on the aerator 2. The backup battery box 7 is equipped with a rechargeable lithium battery and a UPS uninterruptible power supply circuit for backup in case of main power failure. The UPS uninterruptible power supply circuit is existing technology and will not be described in detail here. The rechargeable lithium battery is electrically connected to the main controller 4, the sensor group and the aerator 2. The lithium battery capacity is ≥20kWh. The UPS circuit is directly connected to the main controller 4 with a switching delay of <0.1 seconds. In application, it can seamlessly switch when the main power is interrupted, avoiding water hypoxia accidents caused by sudden power outages. It is especially suitable for aquaculture areas with unstable power.

[0034] The working principle of this utility model is as follows: A composite dissolved oxygen detection unit and sensor group, consisting of an optical dissolved oxygen sensor 501 and an electrode dissolved oxygen sensor 502, monitor water parameters in real time. The main controller 4 summarizes the data and processes it. The main controller 4 compares the dissolved oxygen concentration, pH value, water temperature, and water flow velocity parameters with preset safety ranges, calculates the difference, and dynamically adjusts the parameters. If the dissolved oxygen is below the threshold, the frequency converter 3 increases the power of the aerator 2 according to the difference ratio; if it approaches or exceeds the threshold, the power is reduced or the machine is shut down, forming a closed-loop feedback. If the parameters are abnormal, an audible and visual alarm is triggered, and the user is notified wirelessly. Simultaneously, the lithium battery automatically switches to ensure operation, effectively reducing measurement errors caused by algae attachment, bubble interference, or mechanical vibration from a single sensor, while ensuring data reliability.

[0035] This invention provides an automatically controlled aeration device that comprehensively solves the problems of stability, energy efficiency and emergency response through triple improvements of composite sensors, multi-parameter closed-loop control, redundant power supply and alarm. It is especially suitable for complex scenarios such as high-density aquaculture.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An automatically controlled oxygenation device, characterized in that: Includes a base (1), an aerator (2) is installed on the top of the base (1), a frequency converter (3) connected to the aerator (2) is installed on the aerator (2), a main controller (4) is installed on the aerator (2), and a sensor group and an alarm module (401) are connected to the main controller (4). The sensor group includes a composite dissolved oxygen detection unit consisting of an optical dissolved oxygen sensor (501) and an electrode dissolved oxygen sensor (502). The aerator (2) is connected to a vertically arranged water inlet cylinder (202) through a connecting pipe (201).

2. The automatically controlled oxygenation device according to claim 1, characterized in that: The sensor group also includes a water temperature sensor (601), a pH value sensor (602), and a water flow velocity sensor (603), and each sensor is arranged at different height positions of the water inlet cylinder (202).

3. The automatically controlled oxygenation device according to claim 1, characterized in that: The frequency converter (3) adjusts the output power of the oxygenator (2) based on the difference between the measurement data of the composite dissolved oxygen detection unit and the preset threshold, thus forming a closed-loop control.

4. The automatically controlled oxygenation device according to claim 1, characterized in that: The alarm module (401) includes an audible and visual alarm and a wireless communication unit. It can trigger an alarm when the dissolved oxygen concentration exceeds the set range or when any parameter such as pH or water temperature is abnormal.

5. The automatically controlled oxygenation device according to claim 1, characterized in that: The end of the connecting pipe (201) away from the water inlet cylinder (202) is connected to the aerator (2) by a plugging rotary joint.

6. The automatically controlled oxygenation device according to claim 1, characterized in that: It also includes a backup battery box (7) installed on the oxygenator (2), which is equipped with a rechargeable lithium battery and a UPS uninterruptible power supply circuit for backup in case of main power interruption, and the rechargeable lithium battery is electrically connected to the main controller (4), the sensor group and the oxygenator (2).

Images