Aquaculture oxygenation monitoring method and system

Abstract

The invention discloses an aquaculture oxygenation monitoring method and system, and relates to the technical field of enterprise resource planning and allocation, and the system comprises an operation terminal, a rotatably controlled oxygenation unit, an unmanned aerial vehicle module and the like. According to the method, an area needing oxygenation is scientifically divided into ij (i belongs to N *, j belongs to N *) areas shaped like a Chinese character'tian ', an oxygenation unit is arranged in the center of each area shaped like the Chinese character'tian', so that a node matrix # imgabs0 # and a node matrix # imgabs1 # (mn = 4ij) are constructed, and accurate division of an oxygen supply space is achieved; periodic dynamic scanning is carried out through an unmanned aerial vehicle, environmental parameters of each scanning area are collected in real time so as to accurately calculate and predict the dissolved oxygen concentration of a water body of the corresponding area, and an oxygenation unit is scientifically planned and guided to carry out oxygen resource allocation through a dissolved oxygen concentration index; a database in one-to-one correspondence with a node matrix # imgabs2 # and a node matrix # imgabs3 # is constructed, so that data management and viewing are facilitated, and an enterprise is facilitated to subsequently establish a big data-based AI management model conforming to own conditions.

Description

Technical Field

[0001] The present invention relates to the technical field of enterprise resource planning and allocation, and particularly relates to an oxygenation monitoring method and system for aquaculture. Background Art

[0002] The main technical problem faced by current aquaculture enterprises is the unstable control of the dissolved oxygen concentration in water bodies. In order to effectively solve the problems of too low or too high dissolved oxygen concentration, reasonable planning and scientific allocation of oxygen resources are required.

[0003] In the prior art, traditional methods often rely on manual observation and manual adjustment, and it is difficult to control the distribution and supply of oxygen in real time and accurately. The specific problems are mainly as follows: (1) The control of dissolved oxygen concentration is not accurate: traditional oxygenation equipment is difficult to achieve precise and dynamic regulation of the dissolved oxygen concentration in water bodies; (2) The oxygenation efficiency is low: existing oxygenation systems usually lack intelligent adjustment, resulting in excessive or insufficient oxygen in some areas; (3) Insufficient real-time monitoring: Lack of an efficient monitoring system, it is difficult to obtain the change data of the dissolved oxygen concentration in different waters in real time, and it is impossible to adjust the oxygenation measures in time.

[0004] Therefore, there is an urgent need for an intelligent and automated oxygenation monitoring method and system that can monitor the dissolved oxygen concentration in water bodies in real time and accurately, and precisely control the oxygenation equipment according to needs, so as to achieve reasonable planning and scientific allocation of oxygen resources. Summary of the Invention

[0005] The purpose of the present invention is to provide an intelligent and automated oxygenation monitoring method and system to achieve reasonable planning and scientific allocation of oxygen resources.

[0006] In view of the above technical problems, the technical solution adopted by the present invention is: an oxygenation monitoring method for aquaculture, including the following steps: Step S1: Divide the aquaculture pond into 4 ij rectangular areas, where i ∈N * , j ∈N * ; Every four adjacent rectangular areas form a square-shaped area, and there are ij square-shaped areas. An oxygenation unit is set at the center of each square-shaped area; Step S2: Periodically and regularly scan all rectangular areas by a drone to obtain the surface temperature of the water body in each rectangular area, and calculate the dissolved oxygen concentration based on the surface temperature of the water body; Step S3: For any oxygenation unit, control its rotation to oxygenate the water bodies in the four adjacent rectangular areas, and control the oxygenation amount by controlling the residence time at different rotation angles; Step S4: In any timed scanning cycle of the drone, for any oxygenation unit, the oxygenation amount is controlled according to the dissolved oxygen concentration in the water bodies of the four adjacent rectangular areas and the standard concentration, so that the difference between the dissolved oxygen concentration in the four water bodies and the standard concentration does not exceed ±2%; Step S5: Set the value range of the scheduled scanning period of the drone to 0.5 hours to 4 hours, perform periodic scheduled scanning according to the scanning period 24 hours a day, return to step S2 and repeat steps S2 to S5.

[0007] Preferably, the node matrix of the oxygenation unit is constructed , the matrix elements Representative i Row, No. j The code of the oxygenation unit in the column; the node matrix Each matrix element in creates a one-to-one corresponding oxygen addition database for storing oxygen addition instruction information and performing data interaction; construct 4 ij The node matrix of a rectangular area ,in, mn =4 ij , the matrix elements Representative m Row, No. n The code for the rectangular area of ​​the column; it is the node matrix Each matrix element in creates a one-to-one corresponding water temperature and dissolved oxygen concentration database for storing water temperature and dissolved oxygen concentration information and performing data interaction; the matrix elements The code of the oxygenation unit in the corresponding field-shaped area The subscripts have the following conversion relationship: .

[0008] Preferably, the drone uses a vertical serpentine flight route to sequentially identify and scan the surface temperature of all rectangular area water bodies; while the drone identifies and scans the surface temperature of any rectangular area water body, it also needs to record the scanning distance, ambient wind speed, ambient humidity, oxygen partial pressure and ambient pressure data of the current position; then: , In the formula, T is the actual surface temperature of the water body in the rectangular area, in K; is the scanning temperature of the drone, in K; d is the scanning distance of the drone, in meters; v is the ambient wind speed, in m / s; is the attenuation coefficient, which is a dimensionless quantity; is the ambient humidity, which is a dimensionless quantity; is the distance correction factor, in units of ; is the wind speed correction factor, in units of ; is the humidity correction factor, the unit is K.

[0009] Preferably, after the drone identifies, scans and calculates the surface temperature of the water body in any rectangular area, the dissolved oxygen concentration of the water body in the current rectangular area is inferred based on the calculation result. The calculation formula is: , In the formula, C is the dissolved oxygen concentration of the water in the current rectangular area, in mg / L; is the empirical coefficient, which is a dimensionless quantity; is the molecular weight of oxygen, i.e. 32000 mg / mol; T 0 is the reference temperature, in K. T 0 is 0℃, corresponding to 273.15K, or T 0 is 20℃, corresponding to 293.15K; for T Henry's constant at zero temperature, in units of ; f is the oxygen partial pressure, that is, when the drone identifies and scans the surface temperature of the water body in the current rectangular area, the recorded proportion of oxygen in the air at the current scanning position is a dimensionless quantity; is the ambient pressure, that is, when the drone scans the surface temperature of the water body in the current rectangular area, the ambient pressure value recorded at the current scanning position is in atm; E is the activation energy of oxygen dissolution, in J / mol; R is the gas constant, in ; T The actual surface temperature of the water body in the current rectangular area is calculated in K.

[0010] Preferably, for code The corresponding water temperature and dissolved oxygen concentration database is used to record and store the calculated data after each scan by the drone. T and data C , and for calculating data T and data C All parameters of .

[0011] Preferably, for code The oxygenation unit and the four adjacent rectangular areas are coded as follows: , , , , set code The corresponding water space is space 1, code The corresponding water space is space 2, code The corresponding water space is space 3, code The corresponding water space is space 4; then: , In the formula, The current oxygenation unit needs to be q The total time of oxygenation in space No., in min; is the standard concentration, in mg / L; The value is current q Number space data C , the unit is mg / L; V is the volume of any water space, in L; The mass of oxygen that can be added by the oxygen adding unit per minute, in mg / min; is the coefficient of deviation, ranging from 0.98 to 1.02, and is a dimensionless quantity; When the value of is less than 0, The value of is equal to 0.

[0012] Preferably, the control code is The oxygenation unit rotates, and the direction of rotation is indicated by the code The corresponding rectangular area is the starting area, and the codes are turned in sequence. Corresponding rectangular area, code Corresponding rectangular area and code The corresponding rectangular area finally returns to the code The corresponding rectangular area is: , In the formula, N The current code is The total number of revolutions of the oxygenation unit during the whole oxygenation process, dimensionless quantity; The current code is During any rotation of the oxygenation unit, q The oxygenation time of the space, in seconds; the current code is The oxygenation unit is q When oxygen is added to the space, the direction of oxygen addition is always toward the current q The diagonal direction of the rectangular area corresponding to the number space, and the current code is The oxygenation unit is located at one end of the diagonal line.

[0013] Preferably, the code is The oxygenation unit, and its corresponding oxygenation database is used to record and store the calculated data after each scan of the drone and data , and all parameters for calculating data and data .

[0014] The present invention also provides a system based on the above-mentioned aquaculture oxygenation monitoring method, including an operation terminal, a rotatable and controllable oxygenation unit, and a drone module; the operation terminal is a mobile terminal or a PC terminal; data interaction is carried out between the operation terminal and the oxygenation unit; data interaction is carried out between the operation terminal and the drone module; the drone module is a drone equipped with a communication module, a remote control module, and a sensing module; an infrared temperature scanning sensor, a ranging sensor, a wind speed sensor, a humidity sensor, an oxygen partial pressure sensor, and a barometric pressure sensor are arranged in the sensing module.

[0015] Preferably, the oxygenation unit includes an oxygenation rod, a nozzle, a hollow motor, and an oxygen supply pipe; the oxygenation rod is coaxially and fixedly installed on the output shaft of the hollow motor; the oxygenation rod is a hollow tubular structure; the first end of the oxygenation rod is sealed; a row of multiple nozzles evenly distributed at equal intervals is arranged on the oxygenation rod; the nozzle is used to eject the oxygen inside the oxygenation rod; the first end of the oxygen supply pipe is fixedly connected to the hollow motor; a hollow hole is arranged in the center of the output shaft of the hollow motor, and the first end of the oxygen supply pipe passes through the hollow hole of the hollow motor and is rotationally matched with the second end of the oxygenation rod; multiple circles of sealing rings are arranged between the first end of the oxygen supply pipe and the second end of the oxygenation rod; dynamic sealing is achieved between the first end of the oxygen supply pipe and the second end of the oxygenation rod through multiple circles of sealing rings; the second ends of the oxygen supply pipes in all oxygenation units are communicated with an external oxygen source; an electric control valve controlled by the operation terminal to open and close is arranged at the second end of the oxygen supply pipe in all oxygenation units, and during the rotation movement of any oxygenation unit, the electric control valve in this oxygenation unit is closed.

[0016] The beneficial effects of the present invention compared with the prior art are: (1) scientifically divide the area that needs oxygenation into ij ( i ∈N * , j ∈N * ) grid-shaped areas, and an oxygenation unit is arranged at the center of each grid-shaped area to construct a node matrix and a node matrix ( mn =4 ij ) to achieve precise division of the oxygen supply space; (2) through periodic dynamic scanning by the drone, the environmental parameters of each scanned area are collected in real time to accurately calculate and predict the dissolved oxygen concentration of the water body in the corresponding area, and through the dissolved oxygen concentration index, scientifically guide the oxygenation unit to allocate oxygen resources, realizing intelligent and automated operations; (3) by constructing a node matrix and a node matrix The one-to-one database facilitates data management and viewing, which is conducive to the company's subsequent establishment of an AI management model based on big data that suits its own situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The figure is a flow chart of the oxygenation monitoring method of the present invention.

[0018] Figure 2 It is a schematic diagram of the regional division of the culture pond of the present invention.

[0019] Figure 3 This is a schematic diagram of the angle division principle of the field-shaped area for oxygenation of the present invention.

[0020] Figure 4 This is a schematic diagram of the oxygenation monitoring system of the present invention.

[0021] Figure 5 It is a structural principle diagram of the oxygenation unit of the present invention.

[0022] In the figure: 1-operation terminal; 2-oxygenation unit; 3-UAV module; 201-oxygenation rod; 202-nozzle; 203-hollow motor; 204-oxygen supply pipeline. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and should not be understood as limiting the present invention; in order to better illustrate the embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted.

[0024] Figures 1 to 5 Preferred embodiments of the present invention are presented.

[0025] Figure 1 A flow chart of the oxygenation monitoring method of the present invention is provided, comprising the following steps: Step S1: Divide the culture pond into 4 ij A rectangular area, where i ∈N * , j ∈N * ; Every four adjacent rectangular areas form a field-shaped area, with a total of ij A field-shaped area, an oxygenation unit 2 is arranged at the center of each field-shaped area; Step S2: using the drone to periodically scan all rectangular areas, obtaining the surface temperature of the water body in each rectangular area, and calculating the dissolved oxygen concentration according to the surface temperature of the water body; Step S3: for any oxygenation unit 2, control its rotation to oxygenate the water in the four adjacent rectangular areas, and control the amount of oxygenation by controlling the residence time at different rotation angles; Step S4: In any timed scanning cycle of the drone, for any oxygenation unit 2, the oxygenation amount is controlled according to the dissolved oxygen concentration in the water bodies of the four adjacent rectangular areas and the standard concentration, so that the difference between the dissolved oxygen concentration in the four water bodies and the standard concentration does not exceed ±2%; Step S5: Set the scheduled scanning cycle of the drone to 0.5 hours, perform periodic scheduled scanning according to the scanning cycle 24 hours a day, return to step S2 and repeat steps S2 to S5.

[0026] Figure 2 The regional division principle diagram of the breeding pond of the present invention is given. Specifically, the node matrix of the oxygenation unit 2 is constructed. , the matrix elements Representative i Row, No. j The code of the oxygenation unit 2 in the column; the node matrix Each matrix element in creates a one-to-one corresponding oxygen addition database for storing oxygen addition instruction information and performing data interaction; construct 4 ij The node matrix of a rectangular area ,in, mn =4 ij , the matrix elements Representative m Row, No. n The code for the rectangular area of ​​the column; it is the node matrix Each matrix element in creates a one-to-one corresponding water temperature and dissolved oxygen concentration database for storing water temperature and dissolved oxygen concentration information and performing data interaction; the matrix elements The code of oxygenation unit 2 in the corresponding field-shaped area The subscripts have the following conversion relationship: .

[0027] Based on the above steps and principles, the working principle of the present invention is: the drone uses a vertical serpentine flight route to sequentially identify and scan the surface temperature of all rectangular area water bodies; while the drone identifies and scans the surface temperature of any rectangular area water body, it also needs to record the scanning distance, ambient wind speed, ambient humidity, oxygen partial pressure and ambient pressure data of the current position; then: , In the formula, T is the actual surface temperature of the water body in the rectangular area, in K; is the scanning temperature of the drone, in K; d is the scanning distance of the drone, in meters; v is the ambient wind speed, in m / s; is the attenuation coefficient, which is a dimensionless quantity; is the ambient humidity, which is a dimensionless quantity; is the distance correction factor, in units of ; is the wind speed correction factor, in units of ; is the humidity correction coefficient, the unit is K; in this embodiment, when i =1, j =1 T An example table is shown in Table 1.

[0028] Table 1 i =1, j =1 T Example table of

[0029] Furthermore, after the drone identifies, scans and calculates the surface temperature of the water body in any rectangular area, the dissolved oxygen concentration of the water body in the current rectangular area is estimated based on the calculation results. The calculation formula is: , In the formula, C is the dissolved oxygen concentration of the water in the current rectangular area, in mg / L; is the empirical coefficient, which is a dimensionless quantity; is the molecular weight of oxygen, i.e. 32000 mg / mol; T 0 is the reference temperature, in K. T 0 is 0℃, corresponding to 273.15K, or T 0 is 20℃, corresponding to 293.15K; for T Henry's constant at zero temperature, in units of ; f is the oxygen partial pressure, that is, when the drone identifies and scans the surface temperature of the water body in the current rectangular area, the recorded proportion of oxygen in the air at the current scanning position is a dimensionless quantity; is the ambient pressure, that is, when the drone scans the surface temperature of the water body in the current rectangular area, the ambient pressure value recorded at the current scanning position is in atm; E is the activation energy of oxygen dissolution, in J / mol; R is the gas constant, in ; T is the calculated actual surface temperature of the water body in the current rectangular area, in K. In this embodiment, based on the calculation results in Table 1, wheni =1, j =1 C An example table is shown in Table 2.

[0030] Table 2 i =1, j =1 C Example table of

[0031] Furthermore, for the code The corresponding water temperature and dissolved oxygen concentration database is used to record and store the calculated data after each scan by the drone. T and data C , and for calculating data T and data C All parameters of .

[0032] Furthermore, if Figure 3 As shown, for code The oxygenation unit 2 and the four adjacent rectangular areas are coded as follows: , , , , set code The corresponding water space is space 1, code The corresponding water space is space 2, code The corresponding water space is space 3, code The corresponding water space is space 4; then: , In the formula, The current oxygenation unit 2 needs to be q The total time of oxygenation in space No., in min; is the standard concentration, in mg / L; The value is current q Number space data C , the unit is mg / L; V is the volume of any water space, in L; The mass of oxygen that can be added per minute by oxygenation unit 2, in mg / min; is the coefficient of deviation, ranging from 0.98 to 1.02, and is a dimensionless quantity; When the value of is less than 0, The value of is equal to 0; in this embodiment, based on the calculation results of Table 2, when i =1, j =1 An example table is shown in Table 3.

[0033] Table 3 i =1, j =1 Example table of

[0034] Furthermore, if Figure 3 As shown, the control code is The oxygenation unit 2 rotates, and the direction of rotation is indicated by the code The corresponding rectangular area is the starting area, and the codes are turned in sequence. Corresponding rectangular area, code Corresponding rectangular area and code The corresponding rectangular area finally returns to the code The corresponding rectangular area is: , In the formula, N The current code is The total number of rotations of the oxygenation unit 2 during the entire oxygenation process, dimensionless quantity; The current code is During any rotation of the oxygenation unit 2, q The oxygenation time of the space, in seconds; the current code is The oxygenation unit 2 is q When oxygen is added to the space, the direction of oxygen addition is always toward the current q The diagonal direction of the rectangular area corresponding to the number space, and the current code is The oxygenation unit 2 is located at one end of the diagonal line; in this embodiment, based on the calculation results of Table 3, when i =1, j =1 An example table is shown in Table 4.

[0035] Table 4 i =1, j =1 Example table of

[0036] In particular, if Figure 3 As shown, in this embodiment, the code Corresponding rectangular area, code Corresponding rectangular area, code Corresponding rectangular area and code The corresponding rectangular areas are all square areas, so the code is The oxygenation unit 2 rotates in the direction of oxygenation. Figure 3 In the clockwise direction shown, the angle of stay (the angle of oxygen injection) is Figure 3 45°, 135°, 225° and 315° directions; Taking the data in Table 4 as an example, when i =1, j =1, refer to Figure 3 , codenamed During the oxygenation process, the oxygenation unit 2 needs to rotate a total of 6 times, and the total time spent on oxygenation is about 3.26 minutes. For any one of the turns, the total time spent by the oxygenation unit 2 at the 45° direction for oxygenation is 8.655 seconds, the total time spent by the oxygenation unit 2 at the 135° direction for oxygenation is 7.830 seconds, the total time spent by the oxygenation unit 2 at the 225° direction for oxygenation is 8.430 seconds, and the total time spent by the oxygenation unit 2 at the 315° direction for oxygenation is 7.680 seconds.

[0037] Furthermore, the code is The oxygenation unit 2, whose corresponding oxygenation database is used to record and store the calculated data after each scan of the drone and data , and for calculating data and data All parameters of .

[0038] For a system based on the aforementioned aquaculture oxygenation monitoring method, such as Figure 4 and Figure 5As shown, it includes an operation terminal 1, a rotatably controllable oxygenation unit 2 and a drone module 3; the operation terminal 1 is a mobile terminal or a PC terminal; data is exchanged between the operation terminal 1 and the oxygenation unit 2; data is exchanged between the operation terminal 1 and the drone module 3; the drone module 3 is a drone mounted with a communication module, a remote control module and a sensor module; an infrared temperature scanning sensor, a distance sensor, a wind speed sensor, a humidity sensor, an oxygen partial pressure sensor and an air pressure sensor are arranged in the sensor module; the oxygenation unit 2 includes an oxygenation rod 201, a nozzle 202, a hollow motor 203 and an oxygen supply pipeline 204; the oxygenation rod 201 is coaxially fixedly mounted on the output shaft of the hollow motor 203; the oxygenation rod 201 is a hollow tubular structure; the first end of the oxygenation rod 201 is sealed; a row of 4 nozzles 202 distributed equidistantly are arranged on the oxygenation rod 201; the nozzle The nozzle 202 is used to spray out the oxygen inside the oxygenating rod 201; the first end of the oxygen supply pipe 204 is fixedly connected to the hollow motor 203; a hollow hole is provided at the central part of the output shaft of the hollow motor 203, and the first end of the oxygen supply pipe 204 passes through the hollow hole of the hollow motor 203 and rotates with the second end of the oxygenating rod 201; two circles of sealing rings are provided between the first end of the oxygen supply pipe 204 and the second end of the oxygenating rod 201; dynamic sealing is achieved between the first end of the oxygen supply pipe 204 and the second end of the oxygenating rod 201 by two circles of sealing rings; the second ends of the oxygen supply pipes 204 in all oxygenating units 2 are connected to an external oxygen source; the second ends of the oxygen supply pipes 204 in all oxygenating units 2 are provided with an electrically controlled valve controlled to open and close by the operation terminal 1, and when any oxygenating unit 2 is rotating, the electrically controlled valve in the oxygenating unit 2 is closed.

Claims

1. A method for monitoring oxygenation in aquaculture, characterized in that: The following steps are involved: Step S1: Divide the aquaculture pond into 4 ij rectangular areas, where i ∈N * , j ∈N * ; Every four adjacent rectangular areas form a cross-shaped area, and there are ij cross-shaped areas. An oxygenation unit (2) is arranged at the center of each cross-shaped area; Step S2: using the drone to periodically scan all rectangular areas, obtaining the surface temperature of the water body in each rectangular area, and calculating the dissolved oxygen concentration according to the surface temperature of the water body; Step S3: for any oxygenation unit (2), control its rotation to oxygenate the water in the four adjacent rectangular areas, and control the amount of oxygenation by controlling the residence time at different rotation angles; Step S4: In any timed scanning cycle of the drone, for any oxygenation unit (2), the oxygenation amount is controlled according to the dissolved oxygen concentration in the water bodies of the four adjacent rectangular areas and the standard concentration, so that the difference between the dissolved oxygen concentration in the four water bodies and the standard concentration does not exceed ±2%; Step S5: Set the value range of the scheduled scanning period of the drone to 0.5 hours to 4 hours, perform periodic scheduled scanning according to the scanning period 24 hours a day, return to step S2 and repeat steps S2 to S5.

2. The aquaculture oxygenation monitoring method according to claim 1, characterized in that: Constructing the node matrix of the oxygenation unit (2) , the matrix elements Representative i Row, No. j The code of the oxygenation unit (2) in the column; it is the node matrix Each matrix element in creates a one-to-one corresponding oxygen addition database for storing oxygen addition instruction information and performing data interaction; construct 4 ij The node matrix of a rectangular area ,in, mn =4 ij , the matrix elements Representative m Row, No. n The code for the rectangular area of ​​the column; it is the node matrix Each matrix element in creates a one-to-one corresponding water temperature and dissolved oxygen concentration database for storing water temperature and dissolved oxygen concentration information and performing data interaction; the matrix elements The code of the oxygenation unit (2) in the corresponding field-shaped area The subscripts of have the following conversion relationship: 。 3. The aquaculture oxygenation monitoring method according to claim 2, characterized in that: The drone uses a vertical serpentine flight route to identify and scan the surface temperature of all rectangular water bodies in turn. When the drone identifies and scans the surface temperature of any rectangular water body, it also needs to record the scanning distance, ambient wind speed, ambient humidity, oxygen partial pressure and ambient pressure data of the current location; then: ， In the formula, T is the actual surface temperature of the water body in the rectangular area, in K; is the scanning temperature of the drone, in K; d is the scanning distance of the drone, in meters; v is the ambient wind speed, in m / s; is the attenuation coefficient, which is a dimensionless quantity; is the ambient humidity, which is a dimensionless quantity; is the distance correction factor, in units of ; is the wind speed correction factor, in units of ; is the humidity correction factor, the unit is K.

4. The aquaculture oxygenation monitoring method according to claim 3, characterized in that: After the drone identifies, scans and calculates the surface temperature of the water body in any rectangular area, the dissolved oxygen concentration of the water body in the current rectangular area is calculated based on the calculation results. The calculation formula is: ， In the formula, C is the dissolved oxygen concentration of the water in the current rectangular area, in mg / L; is the empirical coefficient, which is a dimensionless quantity; is the molecular weight of oxygen, i.e. 32000 mg / mol; T 0 is the reference temperature, in K. T 0 is 0℃, corresponding to 273.15K, or T 0 is 20℃, corresponding to 293.15K; for T Henry's constant at zero temperature, in units of ; f is the oxygen partial pressure, that is, when the drone identifies and scans the surface temperature of the water body in the current rectangular area, the recorded proportion of oxygen in the air at the current scanning position is a dimensionless quantity; is the ambient pressure, that is, when the drone scans the surface temperature of the water body in the current rectangular area, the ambient pressure value recorded at the current scanning position is in atm; E is the activation energy of oxygen dissolution, in J / mol; R is the gas constant, in ; T The actual surface temperature of the water body in the current rectangular area is calculated in K.

5. The method for monitoring aquaculture oxygenation according to claim 4, characterized in that: For code The corresponding water temperature and dissolved oxygen concentration database is used to record and store the calculated data after each scan by the drone. T and data C , and for calculating data T and data C All parameters of .

6. The method for monitoring oxygenation in aquaculture according to claim 5, characterized in that: For code The oxygenation unit (2) and the four adjacent rectangular areas are coded as follows: , , , , set code The corresponding water space is space 1, code The corresponding water space is space 2, code The corresponding water space is space 3, code The corresponding water space is space 4; then: ， In the formula, The current oxygenation unit (2) needs to be q The total time of oxygenation in space No., in min; is the standard concentration, in mg / L; The value is current q Number space data C , the unit is mg / L; V is the volume of any water space, in L; is the mass of oxygen that can be added per minute by the oxygen adding unit (2), in mg / min; is the coefficient of deviation, ranging from 0.98 to 1.02, and is a dimensionless quantity; When the value of is less than 0, The value of is equal to 0.

7. The method for monitoring aquaculture oxygenation according to claim 6, characterized in that: Control Code The rotation direction of the oxygenation unit (2) is represented by the code The corresponding rectangular area is the starting area, and the codes are turned in sequence. Corresponding rectangular area, code Corresponding rectangular area and code The corresponding rectangular area finally returns to the code The corresponding rectangular area is: ， In the formula, N The current code is The total number of revolutions of the oxygenation unit (2) during the whole oxygenation process, dimensionless quantity; The current code is During the rotation of any one circle of the oxygenation unit (2), q The oxygenation time of the space, in seconds; the current code is The oxygenation unit (2) is q When oxygen is added to the space, the direction of oxygen addition is always toward the current q The diagonal direction of the rectangular area corresponding to the number space, and the current code is The oxygenation unit (2) is located at one end of the diagonal line.

8. The method for monitoring aquaculture oxygenation according to claim 7, characterized in that: Codename: The oxygenation unit (2) corresponds to an oxygenation database for recording and storing the calculated data after each scan of the drone. and data , and for calculating data and data All parameters of .

9. A system based on the aquaculture oxygenation monitoring method according to claim 8, characterized in that: The invention comprises an operation terminal (1), a rotatably controllable oxygen supply unit (2) and an unmanned aerial vehicle module (3); the operation terminal (1) is a mobile terminal or a PC terminal; data is exchanged between the operation terminal (1) and the oxygen supply unit (2); data is exchanged between the operation terminal (1) and the unmanned aerial vehicle module (3); the unmanned aerial vehicle module (3) is an unmanned aerial vehicle mounted with a communication module, a remote control module and a sensor module; an infrared temperature scanning sensor, a distance measuring sensor, a wind speed sensor, a humidity sensor, an oxygen partial pressure sensor and an air pressure sensor are arranged in the sensor module.

10. A system for monitoring aquaculture oxygenation according to claim 9, characterized in that: The oxygenation unit (2) comprises an oxygenation rod (201), a nozzle (202), a hollow motor (203), and an oxygen supply pipeline (204); the oxygenation rod (201) is coaxially fixedly mounted on the output shaft of the hollow motor (203); the oxygenation rod (201) is a hollow tubular structure; the first end of the oxygenation rod (201) is sealed; a row of multiple nozzles (202) distributed at equal intervals are arranged on the oxygenation rod (201); the nozzles (202) are used to spray out oxygen inside the oxygenation rod (201); the first end of the oxygen supply pipeline (204) is fixedly connected to the hollow motor (203); a hollow hole is arranged at the center of the output shaft of the hollow motor (203); the first end of the oxygen supply pipeline (204) is The first end of the oxygen supply pipe (204) passes through the hollow hole of the hollow motor (203) and is rotatably matched with the second end of the oxygenating rod (201); a plurality of sealing rings are arranged between the first end of the oxygen supply pipe (204) and the second end of the oxygenating rod (201); a dynamic seal is achieved between the first end of the oxygen supply pipe (204) and the second end of the oxygenating rod (201) by means of the plurality of sealing rings; the second ends of the oxygen supply pipes (204) in all oxygenating units (2) are connected to an external oxygen source; the second ends of the oxygen supply pipes (204) in all oxygenating units (2) are provided with an electric control valve controlled to open and close by the operation terminal (1); and when any oxygenating unit (2) is in a rotational motion, the electric control valve in the oxygenating unit (2) is closed.

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