CN-121986749-A - Intelligent oxygen supply system for large water surface

CN121986749ACN 121986749 ACN121986749 ACN 121986749ACN-121986749-A

Abstract

The invention provides an intelligent oxygen supply system for a large water surface, and relates to the technical field of aquaculture. The oxygen supply system comprises a variable frequency fan, an aeration pipe, a variable frequency driving module, a dissolved oxygen monitoring module and a main control module, wherein the aeration pipe is arranged in a water body and is used for aerating the water body, the variable frequency driving module is connected with the variable frequency fan and is used for driving the variable frequency fan to operate at a target frequency so as to adjust the rotating speed of the variable frequency fan, the dissolved oxygen monitoring module is used for detecting the concentration of dissolved oxygen in the water body, the main control module is configured to control the variable frequency fan to operate at a first target frequency when the concentration of dissolved oxygen is lower than a first preset dissolved oxygen threshold value, and control the variable frequency fan to operate at a second target frequency when the concentration of dissolved oxygen is higher than a second preset dissolved oxygen threshold value. The embodiment of the invention provides an intelligent oxygen supply system for a large water surface, which can get rid of dependence on commercial power, has self-power supply capability, and can intelligently adjust the running state according to the real-time dissolved oxygen condition of a water body, thereby realizing remarkable energy conservation and consumption reduction while ensuring high-efficiency oxygenation.

Inventors

LU QI
XIONG LI
WANG YUBING
ZHOU HAITIAN
LI MING
HUANG SHUPEI

Assignees

恩格拜（武汉）生态科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260113

Claims (10)

1. An intelligent oxygen supply system for a large water surface, comprising: a variable frequency fan; the aeration pipe is arranged in the water body and is communicated with the air outlet of the variable frequency fan through the air transmission pipeline, and the aeration pipe is used for aerating the water body; The variable frequency driving module is connected with the variable frequency fan and used for driving the variable frequency fan to operate at a target frequency so as to adjust the rotating speed of the variable frequency fan; the dissolved oxygen monitoring module is used for detecting the concentration of dissolved oxygen in the water body; The main control module is respectively connected with the dissolved oxygen monitoring module and the variable frequency driving module and is configured to: When the dissolved oxygen concentration is lower than a first preset dissolved oxygen threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a first target frequency; When the dissolved oxygen concentration is higher than a second preset dissolved oxygen threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a second target frequency; The first preset dissolved oxygen threshold is smaller than a second preset dissolved oxygen threshold, and the first target frequency is larger than the second target frequency.
2. The large water surface intelligent oxygen supply system according to claim 1, further comprising: The variable frequency driving module is used for converting the direct current into alternating current with adjustable frequency and outputting the alternating current to the variable frequency fan.
3. The large water surface intelligent oxygen supply system according to claim 2, further comprising: The electric energy parameter acquisition module is connected with the power supply module and used for acquiring the electric quantity of the power supply module; the main control module is connected with the electric energy parameter acquisition module and is configured to: When the concentration of the dissolved oxygen is lower than a first preset dissolved oxygen threshold value and the electric quantity of the power supply module is higher than a preset electric quantity threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a first target frequency; when the concentration of the dissolved oxygen is lower than a first preset dissolved oxygen threshold value and the electric quantity of the power supply module is lower than a preset electric quantity threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a third target frequency; wherein the first target frequency is greater than a third target frequency.
4. The intelligent oxygen supply system for the large water surface according to claim 2, wherein the power supply module comprises a solar panel and a storage battery, and the solar panel and the storage battery are respectively connected with a variable frequency driving module.
5. The large water surface intelligent oxygen supply system according to claim 1, further comprising: the aeration state monitoring module comprises a current sensor and a pressure sensor; The current sensor is arranged on a power supply line of the variable frequency fan and is used for detecting the running current of the variable frequency fan and outputting a corresponding current signal; the pressure sensor is arranged on the aeration pipeline and is used for detecting the gas pressure in the aeration pipeline and outputting a corresponding pressure signal; the main control module is respectively connected with the current sensor and the pressure sensor and is used for receiving the current signal and the pressure signal and obtaining the running current value of the variable-frequency fan and the gas pressure value in the pipeline.
6. The large surface area intelligent oxygen supply system of claim 5, further comprising: The alarm module is connected with the main control module and is configured to: When the running current value is higher than a first preset current threshold value and the gas pressure value is higher than a first preset pressure threshold value, determining that an aeration pipeline is blocked, and sending an alarm signal to the alarm module; When the running current value is lower than a second preset current threshold value and the gas pressure value is lower than a second preset pressure threshold value, the variable frequency fan is judged to be in an idle or invalid state, and an alarm signal is sent to the alarm module.
7. The large water surface intelligent oxygen supply system according to claim 6, further comprising: The man-machine interaction module comprises an input unit and a display unit; The input unit is used for receiving an operation instruction input by a user and transmitting the operation instruction to the main control module; the display unit is used for displaying the operation parameters or the alarm information sent by the main control module.
8. The intelligent oxygen supply system for the large water surface according to claim 1, further comprising a plurality of aeration driving modules, wherein the aeration driving modules comprise a driving motor, a transmission mechanism, a first connecting rod and a second connecting rod; The input end of the transmission mechanism is connected with the output shaft of the driving motor, the output end of the transmission mechanism is connected with the first end of the aeration pipe through a first connecting rod, the second end of the aeration pipe is fixedly connected with the driving motor through a second connecting rod, the aeration pipe is a telescopic pipeline, the transmission mechanism converts the rotation motion of the output shaft of the driving motor into the linear motion of the first connecting rod, and the first connecting rod drives the first end of the aeration pipe to do telescopic motion along the length direction of a water body.
9. The large water surface intelligent oxygen supply system according to claim 8, wherein a plurality of infrared distance measuring sensors are arranged on the edges of the two sides of the water body, and the infrared distance measuring sensors are used for collecting the target distance between the first end part of the aerator pipe and the edge of the water body in real time; the main control module is respectively connected with the infrared ranging sensor and the driving motor, and is configured to: when the target distance is equal to a preset distance value, the output shaft of the driving motor is controlled to rotate reversely, so that the first end of the aerator pipe is driven to retract reversely.
10. The large water surface intelligent oxygen supply system according to claim 8, wherein a sliding rail is arranged on the platform on one side of the water body, and a sliding piece which is in sliding connection with the sliding rail is arranged on the driving motor.

Description

Intelligent oxygen supply system for large water surface Technical Field The invention relates to the technical field of aquaculture, in particular to an intelligent oxygen supply system for a large water surface. Background In the field of aquaculture, large-surface aquaculture modes are becoming increasingly popular as aquaculture scales continue to expand. The water dissolved oxygen (Dissolved Oxygen, DO) is used as a core environmental factor for influencing the growth, health and yield of the cultured organisms, and the stability and sufficiency of the concentration directly determine the culture benefit. The sufficient dissolved oxygen is not only beneficial to promoting metabolism of the breeding objects, enhancing immunity and improving feed conversion efficiency, but also can effectively inhibit occurrence of diseases, and once the dissolved oxygen is insufficient, floating heads and growth retardation are easily caused, and even large-scale death is caused, so that serious economic loss is caused. At present, large water surface cultivation generally depends on traditional aeration equipment for oxygenation, and most of the equipment is driven by mains supply, so that the outstanding problems of high energy consumption and high operation cost exist. Especially in remote waters or areas with weak power grid coverage, the supply of commercial power is unstable and even completely absent, so that the oxygen supply system is difficult to realize continuous and reliable operation, and the stability and sustainable development of cultivation production are severely restricted. In addition, existing oxygen supply systems often lack the ability to dynamically adjust the supply of gas according to actual dissolved oxygen demand, often operating at constant power. Even if the dissolved oxygen of the water body reaches or exceeds a proper threshold, the system still maintains high-load operation, and a large amount of unnecessary electric energy is wasted. Disclosure of Invention In order to solve the technical problems in the prior art, the embodiment of the invention provides an intelligent oxygen supply system for a large water surface. The technical scheme is as follows: The invention provides an intelligent oxygen supply system for a large water surface, which comprises the following components: a variable frequency fan; the aeration pipe is arranged in the water body and is communicated with the air outlet of the variable frequency fan through the air transmission pipeline, and the aeration pipe is used for aerating the water body; The variable frequency driving module is connected with the variable frequency fan and used for driving the variable frequency fan to operate at a target frequency so as to adjust the rotating speed of the variable frequency fan; the dissolved oxygen monitoring module is used for detecting the concentration of dissolved oxygen in the water body; The main control module is respectively connected with the dissolved oxygen monitoring module and the variable frequency driving module and is configured to: When the dissolved oxygen concentration is lower than a first preset dissolved oxygen threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a first target frequency; When the dissolved oxygen concentration is higher than a second preset dissolved oxygen threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a second target frequency; The first preset dissolved oxygen threshold is smaller than a second preset dissolved oxygen threshold, and the first target frequency is larger than the second target frequency. Optionally, the system further comprises: The variable frequency driving module is used for converting the direct current into alternating current with adjustable frequency and outputting the alternating current to the variable frequency fan. Optionally, the system further comprises: The electric energy parameter acquisition module is connected with the power supply module and used for acquiring the electric quantity of the power supply module; the main control module is connected with the electric energy parameter acquisition module and is configured to: When the concentration of the dissolved oxygen is lower than a first preset dissolved oxygen threshold value and the electric quantity of the power supply module is higher than a preset electric quantity threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a first target frequency; when the concentration of the dissolved oxygen is lower than a first preset dissolved oxygen threshold value and the electric quantity of the power supply module is lower than a preset electric quantity threshold value, controlling the variable frequency driving module to drive the variable frequency fan to operate at a third target frequency; wherein the firs