Aquaculture monitor based on LoRa and Bluetooth

By using LoRa and Bluetooth technology aquaculture monitors in aquaculture, water quality parameters are collected and transmitted in real time, the problem of inefficiency of traditional monitoring methods is solved and the quality and output of aquatic products are improved.

CN222166201UActive Publication Date: 2024-12-13SHANXI UNIV
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Patent Information

Application Number
CN202421288973.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2024-12-13
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

Traditional aquaculture monitoring methods rely on manual inspection, which is time-consuming and labor-intensive, making it difficult to obtain water quality and environmental information in real time and accurately, affecting the quality and output of aquatic products.

Method used

Design aquaculture monitor based on LoRa and Bluetooth, including a water quality detection module, a data processing module and a wireless transmission module. Data is transmitted from a long distance through the LoRa module, and external equipment is connected to real-time monitoring of water quality parameters is achieved.

Benefits of technology

Real-time monitoring of water quality parameters is realized, the quality and output of aquatic products are improved, and the problem of inefficiency of traditional monitoring methods is solved.

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Abstract

The aquaculture monitor based on LoRa and Bluetooth comprises a monitoring end and a pick-up end, a water quality detection module, a data processing module, a first LoRa module, an MAX485 data transmission module and a first power supply module are installed in a box body of the monitoring end, and a main control module, a second power supply module and a second LoRa module are installed in a box body of the pick-up end; according to the device, a temperature sensing unit, a salinity sensing unit, a solubility sensing unit, a pH sensing unit and a turbidity sensing unit in the water quality detection module are used for collecting temperature, salinity, oxygen concentration, pH value and turbidity in water; the water quality parameter information is processed by the data processing module and then is remotely transmitted to the second LoRa module through the first LoRa module; and finally, the second LoRa module processes the water quality parameter information through the main control module and transmits the data to an external equipment end in a Bluetooth wireless transmission manner, so that the water quality parameter information can be monitored in real time, and the quality and yield of aquatic products are effectively ensured.
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Description

Technical Field

[0001] The utility model belongs to the technical field of aquaculture monitor equipment, and in particular relates to an aquaculture monitor based on LoRa and Bluetooth. Background Art

[0002] Aquaculture is an important part of food production, which involves the artificial cultivation of aquatic organisms such as fish, shellfish, and algae. With the growth of population and the increase in demand for protein, efficient and sustainable aquaculture management has become increasingly important. However, traditional aquaculture monitoring methods rely on manual inspections, which are time-consuming, labor-intensive, and inefficient. It is difficult to obtain real-time and accurate water quality and environmental information, which in turn affects the quality and output of aquatic products.

[0003] Therefore, there is an urgent need for an aquaculture monitor that is efficient, accurate, and has convenient signal transmission. Utility Model Content

[0004] In order to address the shortcomings and deficiencies of the existing technology, an aquaculture monitor based on LoRa and Bluetooth is provided, which can solve the problem that the traditional aquaculture monitoring method relies on manual inspection, which is time-consuming, labor-intensive, inefficient, and difficult to obtain water quality and environmental information in real time and accurately, thus affecting the quality and output of aquatic products.

[0005] In order to achieve the purpose of the utility model, a LoRa and Bluetooth-based aquaculture monitor is provided, which includes a monitoring end and a receiving end. A water quality detection module, a data processing module, a first LoRa module, a MAX485 data transmission module and a first power supply module are installed in the box body of the monitoring end. The first power supply module is electrically connected to the water quality detection module, the data processing module, the MAX485 data transmission module and the first LoRa module for continuous supply of electricity. The water quality detection module is electrically connected to the data processing module and the MAX485 data transmission module. The MAX485 data transmission module is electrically connected to the data processing module for collecting the collected water quality information. The water quality signal is converted and transmitted to the data processing module, and the data processing module is electrically connected to the first LoRa module; a main control module, a second power supply module and a second LoRa module are installed in the box body of the receiving end, and the second power supply module is electrically connected to the main control module and the second LoRa module for continuous supply of electricity. The second LoRa module and the first LoRa module transmit data wirelessly, so that the processed data is transmitted from the monitoring end to the receiving end, and the second LoRa module is electrically connected to the main control module, and the main control module is wirelessly connected to the external device end through Bluetooth, so as to facilitate the observation of water quality parameter values ​​on the external device end.

[0006] As a further improvement of the above scheme, the water quality detection module includes a temperature sensing unit, a salinity sensing unit, a solubility sensing unit, a pH sensing unit and a turbidity sensing unit, which are used to collect the temperature, salinity, oxygen concentration, pH value and turbidity in the water. The temperature sensing unit is electrically connected to the data processing module, and the salinity sensing unit, solubility sensing unit, pH sensing unit and turbidity sensing unit are all electrically connected to the MAX485 data transmission module.

[0007] As a further improvement of the above solution, the first LoRa module or the second LoRa module includes a chip U5, pins 1-4 of the chip U5 are respectively connected to MD0, MD1, TXD2, and RXD2, pin 6 is connected to a 5V power supply, and pin 7 is grounded.

[0008] As a further improvement of the above scheme, the data processing module includes chips U1-U2, capacitors C1-C3, switches SW1-SW2 and resistors R1, R3, R5-R7. Pins 1, 2, 8, and 9 of the chip U1 are respectively connected to D+, D-, TXD0, and RXD0, pins 3 and 11 are connected to one end of capacitors C2-C3 and then grounded, pin 7 is connected to the other end of capacitor C2 and a 5V power supply, and pin 10 is connected to the other end of capacitor C3; pins 1, 3, 4, 19, 37, 43, 46, and 49 of the chip U2 are all connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27-31, and 40 are respectively connected to EN, MD0, MD1, IO2, and I O0, RXD2, TXD2, 485-TX, 485-RX, 485-EN, DQ, and TXD0 are connected, pin 41 is connected to one end of resistor R7, and pin 49 is grounded; the other end of the resistor R7 is connected to RXD0; one end of the resistor R1 is connected to a 3V3 power supply, and the other end is connected to one end of resistor R3, one end of capacitor C1, and EN; the other end of the resistor R3 is connected to port 2 of switch SW1; the other end of the capacitor C1 is connected to port 1 of switch SW1 and then grounded; one end of the resistor R5 is connected to a 3V3 power supply, and the other end is connected to IO0; one end of the resistor R6 is connected to IO2, and the other end is grounded; port 1 of the switch SW2 is grounded, and port 2 is connected to IO0.

[0009] As a further improvement of the above solution, the MAX485 data transmission module includes a chip U4, pin 1 of the chip U4 is connected to 485-RX, pins 2-3 are connected to 485-EN, pin 4 is connected to 485-TX, pin 5 is grounded, pins 6-7 are respectively connected to 485A and 485B, and pin 8 is connected to a 5V power supply.

[0010] As a further improvement of the above scheme, the first power supply module or the second power supply module includes a chip U3, a chip USB1, capacitors C4-C5 and resistors R2 and R4; pin 1 of the chip U3 is grounded, pin 3 is connected to one end of capacitor C4 and a 5V power supply, pin 4 is connected to one end of capacitor C5 and a 3V3 power supply, and the other end of the capacitor C4-C5 is grounded; pins 1 and 12 of the chip USB1 are connected to one end of resistors R2 and R4 and then grounded, pins 2 and 11 are connected to a 5V power supply, pin 4 is connected to the other end of resistor R2, pin 10 is connected to the other end of resistor R4, pins 5 and 7 are connected to D-, and pins 6 and 8 are connected to D+.

[0011] As a further improvement of the above scheme, the main control module includes chips U21-U22, capacitors C21-C23 and resistors R21, R23, R25-R27; pins 1, 2, 8, and 9 of the chip U21 are respectively connected to D+, D-, TXD0, and RXD0, pins 3 and 11 are connected to one end of capacitors C22-C23 and then grounded, pin 7 is connected to the other end of capacitor C22 and a 5V power supply, and pin 10 is connected to the other end of capacitor C23; pins 1, 3, 4, 19, 37, 43, 46, and 49 of the chip U22 are all connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27, and 40 correspond to EN, MD0, and MD1, respectively. , IO2, IO0, RXD2, TXD2, and TXD0 are connected, pin 41 is connected to one end of a resistor R27, and pin 49 is grounded; the other end of the resistor R27 is connected to RXD0; one end of the resistor R21 is connected to a 3V3 power supply, and the other end is connected to one end of a resistor R23, one end of a capacitor C21, and EN; the other end of the resistor R23 is connected to port 2 of a switch SW21; the other end of the capacitor C21 is connected to port 1 of a switch SW21 and then grounded; one end of the resistor R25 is connected to a 3V3 power supply, and the other end is connected to IO0; one end of the resistor R26 is connected to IO2, and the other end is grounded; port 1 of the switch SW22 is grounded, and port 2 is connected to IO0.

[0012] As a further improvement of the above solution, the temperature sensing unit includes a chip U6, a pin 1 of the chip U6 is grounded, a pin 2 is connected to DQ, and a pin 3 is connected to a 3V3 power supply.

[0013] As a further improvement of the above scheme, the salinity sensing unit includes a chip U9, pin 1 of the chip U9 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded; the solubility sensing unit includes a chip U7, pin 1 of the chip U7 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded.

[0014] As a further improvement of the above scheme, the pH sensing unit includes a chip U10, pin 1 of the chip U10 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded; the turbidity sensing unit includes a chip U8, pin 1 of the chip U8 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded.

[0015] The beneficial effects of the utility model are:

[0016] Compared with the prior art, the utility model provides an aquaculture monitor based on LoRa and Bluetooth, which utilizes the temperature sensing unit, salinity sensing unit, solubility sensing unit, pH sensing unit and turbidity sensing unit in the water quality detection module to collect the temperature, salinity, oxygen concentration, pH value and turbidity in the water; then the water quality parameter information is processed by the data processing module and transmitted to the second LoRa module over a long distance via the first LoRa module; finally, the second LoRa module processes the water quality parameter information via the main control module and transmits the data to the external device end via Bluetooth wireless transmission, so that the water quality parameter information can be monitored in real time, effectively ensuring the quality and output of aquatic products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall framework of the utility model;

[0018] Figure 2 It is a circuit connection diagram of the first LoRa module or the second LoRa module in the utility model;

[0019] Figure 3 It is a circuit connection diagram of the data processing module in the utility model;

[0020] Figure 4 It is the circuit connection diagram of the MAX485 data transmission module in the utility model;

[0021] Figure 5 A circuit connection diagram of the first power supply module or the second power supply module in the utility model;

[0022] Figure 6 This is a circuit connection diagram of the main control module in the utility model;

[0023] Figure 7 This is a circuit connection diagram of the temperature sensing unit in the utility model;

[0024] Figure 8 This is a circuit connection diagram of the salinity sensing unit in the utility model;

[0025] Fig. 9It is a circuit connection diagram of the solubility sensing unit in the utility model;

[0026] Fig.10 This is a circuit connection diagram of the pH sensing unit in the utility model;

[0027] Fig.11 This is a circuit connection diagram of the turbidity sensing unit in the utility model. DETAILED DESCRIPTION

[0028] The following is a further detailed description of the specific implementation of the utility model in conjunction with the accompanying drawings:

[0029] according to Figure 1 As shown, the utility model provides an aquaculture monitor based on LoRa and Bluetooth, including a monitoring end and a receiving end. A water quality detection module, a data processing module, a first LoRa module, a MAX485 data transmission module and a first power supply module are installed in the box body of the monitoring end. The first power supply module is electrically connected to the water quality detection module, the data processing module, the MAX485 data transmission module and the first LoRa module for continuous supply of electricity. The water quality detection module is electrically connected to the data processing module and the MAX485 data transmission module. The MAX485 data transmission module is electrically connected to the data processing module for collecting The water quality signal is converted and transmitted to the data processing module, and the data processing module is electrically connected to the first LoRa module; a main control module, a second power supply module and a second LoRa module are installed in the box body of the receiving end, and the second power supply module is electrically connected to the main control module and the second LoRa module for continuous supply of electricity. The second LoRa module and the first LoRa module transmit data wirelessly, so that the processed data is transmitted from the monitoring end to the receiving end, the second LoRa module is electrically connected to the main control module, and the main control module is wirelessly connected to the external device end through Bluetooth, so as to facilitate the observation of water quality parameter values ​​on the external device end.

[0030] Among them, the water quality detection module includes a temperature sensing unit, a salinity sensing unit, a solubility sensing unit, a pH sensing unit and a turbidity sensing unit, which are used to collect the temperature, salinity, oxygen concentration, pH value and turbidity in the water; the temperature sensing unit is electrically connected to the data processing module, and the salinity sensing unit, solubility sensing unit, pH sensing unit and turbidity sensing unit are all electrically connected to the MAX485 data transmission module.

[0031] according to Figure 2 As shown, the first LoRa module or the second LoRa module includes a chip U5. Pins 1-4 of the chip U5 are respectively connected to MD0, MD1, TXD2, and RXD2, pin 6 is connected to a 5V power supply, and pin 7 is grounded.

[0032] according to Figure 3 As shown, the data processing module includes chips U1-U2, capacitors C1-C3, switches SW1-SW2 and resistors R1, R3, R5-R7; pins 1, 2, 8, and 9 of chip U1 are connected to D+, D-, TXD0, and RXD0 respectively, pins 3 and 11 are connected to one end of capacitors C2-C3 and then grounded, pin 7 is connected to the other end of capacitor C2 and a 5V power supply, and pin 10 is connected to the other end of capacitor C3; pins 1, 3, 4, 19, 37, 43, 46, and 49 of chip U2 are connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27-31, and 40 are connected to EN, MD0, MD1, IO2, and IO3 respectively. 0, RXD2, TXD2, 485-TX, 485-RX, 485-EN, DQ, TXD0 are connected, pin 41 is connected to one end of resistor R7, and pin 49 is grounded; the other end of resistor R7 is connected to RXD0; one end of resistor R1 is connected to 3V3 power supply, and the other end is connected to one end of resistor R3, one end of capacitor C1 and EN; the other end of resistor R3 is connected to port 2 of switch SW1; the other end of capacitor C1 is connected to port 1 of switch SW1 and then grounded; one end of resistor R5 is connected to 3V3 power supply, and the other end is connected to IO0; one end of resistor R6 is connected to IO2, and the other end is grounded; port 1 of switch SW2 is grounded, and port 2 is connected to IO0.

[0033] according to Figure 4 As shown, the MAX485 data transmission module includes a chip U4. Pin 1 of the chip U4 is connected to 485-RX, pins 2-3 are connected to 485-EN, pin 4 is connected to 485-TX, pin 5 is grounded, pins 6-7 are connected to 485A and 485B respectively, and pin 8 is connected to a 5V power supply.

[0034] according to Figure 5 As shown, the first power supply module or the second power supply module includes a chip U3, a chip USB1, capacitors C4-C5 and resistors R2 and R4; pin 1 of the chip U3 is grounded, pin 3 is connected to one end of the capacitor C4 and a 5V power supply, and pin 4 is connected to one end of the capacitor C5 and a 3V3 power supply; the other end of the capacitors C4-C5 is grounded; pins 1 and 12 of the chip USB1 are connected to one end of the resistors R2 and R4 and then grounded, pins 2 and 11 are connected to a 5V power supply, pin 4 is connected to the other end of the resistor R2, pin 10 is connected to the other end of the resistor R4, pins 5 and 7 are connected to D-, and pins 6 and 8 are connected to D+.

[0035] according to Figure 6As shown, the main control module includes chips U21-U22, capacitors C21-C23 and resistors R21, R23, R25-R27; pins 1, 2, 8, and 9 of chip U21 are connected to D+, D-, TXD0, and RXD0 respectively, pins 3 and 11 are connected to one end of capacitors C22-C23 and then grounded, pin 7 is connected to the other end of capacitor C22 and a 5V power supply, and pin 10 is connected to the other end of capacitor C23; pins 1, 3, 4, 19, 37, 43, 46, and 49 of chip U22 are connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27, and 40 are connected to EN, MD0, MD1, IO2, IO0, RXD2, TXD2, and TXD0 are connected, pin 41 is connected to one end of resistor R27, and pin 49 is grounded; the other end of resistor R27 is connected to RXD0; one end of resistor R21 is connected to a 3V3 power supply, and the other end is connected to one end of resistor R23, one end of capacitor C21, and EN; the other end of resistor R23 is connected to port 2 of switch SW21; the other end of capacitor C21 is connected to port 1 of switch SW21 and then grounded; one end of resistor R25 is connected to a 3V3 power supply, and the other end is connected to IO0; one end of resistor R26 is connected to IO2, and the other end is grounded; port 1 of switch SW22 is grounded, and port 2 is connected to IO0.

[0036] according to Figure 7-Figure 11 As shown, the temperature sensing unit includes a chip U6; Pin 1 of the chip U6 is grounded, Pin 2 is connected to DQ, and Pin 3 is connected to a 3V3 power supply. The salinity sensing unit includes a chip U9; Pin 1 of the chip U9 is connected to a 5V power supply, Pins 2-3 are connected to 485A and 485B respectively, and Pin 4 is grounded. The solubility sensing unit includes a chip U7; Pin 1 of the chip U7 is connected to a 5V power supply, Pins 2-3 are connected to 485A and 485B respectively, and Pin 4 is grounded. The pH sensing unit includes a chip U10; Pin 1 of the chip U10 is connected to a 5V power supply, Pins 2-3 are connected to 485A and 485B respectively, and Pin 4 is grounded; The turbidity sensing unit includes a chip U8; Pin 1 of the chip U8 is connected to a 5V power supply, Pins 2-3 are connected to 485A and 485B respectively, and Pin 4 is grounded.

[0037] In the above embodiment, the chips U2 and U22 in the data processing module and the main control module can adopt ESP32 chips; the chip U5 in the first LoRa module and the second LoRa module can adopt AS32-TTL-100LoRa module. When detecting water quality, the temperature sensing unit, salinity sensing unit, solubility sensing unit, pH sensing unit and turbidity sensing unit in the water quality detection module collect the temperature, salinity, oxygen concentration, pH value and turbidity in the water; then the water temperature information is directly transmitted to the data processing module, and the remaining water quality parameter signals are converted by the MAX485 data transmission module and transmitted to the data processing module; secondly, the data processing module processes the water quality parameter information and transmits it to the second LoRa module via the first LoRa module over a long distance; and then the second LoRa module processes the water quality parameter information by the main control module and transmits the data to the external device end by Bluetooth wireless transmission, so that the water quality parameter information can be monitored in real time, so that the user can grasp the environmental changes in the water in real time, effectively ensuring the quality and output of aquatic products.

[0038] The temperature sensing unit may adopt a DS18B20 temperature sensor, the salinity sensing unit may adopt a DSS-600 salinity sensor, the solubility sensing unit may adopt a DOS-600 dissolved oxygen sensor, the pH sensing unit may adopt a DPS-600C pH sensor, and the turbidity sensing unit may adopt a DTS-600 turbidity value sensor.

[0039] The above embodiments are not limited to the technical solutions of the embodiments themselves, and the embodiments can be combined with each other to form new embodiments. The above embodiments are only used to illustrate the technical solutions of the utility model and are not intended to limit them. Any modification or equivalent replacement that does not deviate from the spirit and scope of the utility model shall be included in the scope of the technical solution of the utility model.

Claims

1. An aquaculture monitor based on LoRa and Bluetooth, characterized by: The invention comprises a monitoring end and a receiving end. A water quality detection module, a data processing module, a first LoRa module, a MAX485 data transmission module and a first power supply module are installed in the box body of the monitoring end. The first power supply module is electrically connected with the water quality detection module, the data processing module, the MAX485 data transmission module and the first LoRa module for continuous supply of electricity. The water quality detection module is electrically connected with the data processing module and the MAX485 data transmission module. The MAX485 data transmission module is electrically connected with the data processing module for converting the collected water quality signal and transmitting it to the data processing module. , the data processing module is electrically connected to the first LoRa module; a main control module, a second power supply module and a second LoRa module are installed in the box body of the receiving end, the second power supply module is electrically connected to the main control module and the second LoRa module for continuous supply of electricity, the second LoRa module and the first LoRa module transmit data wirelessly, so that the processed data is transmitted from the monitoring end to the receiving end, the second LoRa module is electrically connected to the main control module, and the main control module is wirelessly connected to the external device end through Bluetooth, so as to facilitate the observation of water quality parameter values ​​on the external device end.

2. The aquaculture monitor based on LoRa and Bluetooth according to claim 1, characterized in that: The water quality detection module includes a temperature sensing unit, a salinity sensing unit, a solubility sensing unit, a pH sensing unit and a turbidity sensing unit, which are used to collect temperature, salinity, oxygen concentration, pH value and turbidity in water. The temperature sensing unit is electrically connected to the data processing module, and the salinity sensing unit, solubility sensing unit, pH sensing unit and turbidity sensing unit are all electrically connected to the MAX485 data transmission module.

3. The aquaculture monitor based on LoRa and Bluetooth according to claim 2, characterized in that: The first LoRa module or the second LoRa module includes a chip U5, pins 1-4 of the chip U5 are respectively connected to MD0, MD1, TXD2, and RXD2, pin 6 is connected to a 5V power supply, and pin 7 is grounded.

4. The aquaculture monitor based on LoRa and Bluetooth according to claim 2, characterized in that: The data processing module includes chips U1-U2, capacitors C1-C3, switches SW1-SW2 and resistors R1, R3, R5-R7. Pins 1, 2, 8, and 9 of the chip U1 are connected to D+, D-, TXD0, and RXD0 respectively, pins 3 and 11 are connected to one end of capacitors C2-C3 and then grounded, pin 7 is connected to the other end of capacitor C2 and a 5V power supply, and pin 10 is connected to the other end of capacitor C3; pins 1, 3, 4, 19, 37, 43, 46, and 49 of the chip U2 are connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27-31, and 40 are connected to EN, MD0, MD1, IO2, IO0, and RXD0 respectively.

2. TXD2, 485-TX, 485-RX, 485-EN, DQ, and TXD0 are connected, pin 41 is connected to one end of resistor R7, and pin 49 is grounded; the other end of the resistor R7 is connected to RXD0; one end of the resistor R1 is connected to a 3V3 power supply, and the other end is connected to one end of a resistor R3, one end of a capacitor C1, and EN; the other end of the resistor R3 is connected to port 2 of a switch SW1; the other end of the capacitor C1 is connected to port 1 of the switch SW1 and then grounded; one end of the resistor R5 is connected to a 3V3 power supply, and the other end is connected to IO0; one end of the resistor R6 is connected to IO2, and the other end is grounded; port 1 of the switch SW2 is grounded, and port 2 is connected to IO0.

5. The aquaculture monitor based on LoRa and Bluetooth according to claim 2, characterized in that: The MAX485 data transmission module includes a chip U4, wherein pin 1 of the chip U4 is connected to 485-RX, pins 2-3 are connected to 485-EN, pin 4 is connected to 485-TX, pin 5 is grounded, pins 6-7 are connected to 485A and 485B respectively, and pin 8 is connected to a 5V power supply.

6. The aquaculture monitor based on LoRa and Bluetooth according to claim 2, characterized in that: The first power supply module or the second power supply module includes a chip U3, a chip USB1, capacitors C4-C5 and resistors R2 and R4; pin 1 of the chip U3 is grounded, pin 3 is connected to one end of capacitor C4 and a 5V power supply, pin 4 is connected to one end of capacitor C5 and a 3V3 power supply, and the other end of the capacitor C4-C5 is grounded; pins 1 and 12 of the chip USB1 are connected to one end of resistors R2 and R4 and then grounded, pins 2 and 11 are connected to a 5V power supply, pin 4 is connected to the other end of resistor R2, pin 10 is connected to the other end of resistor R4, pins 5 and 7 are connected to D-, and pins 6 and 8 are connected to D+.

7. The aquaculture monitor based on LoRa and Bluetooth according to claim 2, characterized in that: The main control module includes chips U21-U22, capacitors C21-C23, resistors R21, R23, R25-R27 and switches SW21-SW22; pins 1, 2, 8, and 9 of the chip U21 are connected to D+, D-, TXD0, and RXD0 respectively, pins 3 and 11 are connected to one end of capacitors C22-C23 and then grounded, pin 7 is connected to the other end of capacitor C22 and a 5V power supply, and pin 10 is connected to the other end of capacitor C23; pins 1, 3, 4, 19, 37, 43, 46, and 49 of the chip U22 are connected to a 3V3 power supply, and pins 9, 14, 15, 22, 23, 25, 27, and 40 are connected to EN, MD0, MD1, IO2, IO0, RXD2, TXD2, and TXD0 are connected, pin 41 is connected to one end of resistor R27, and pin 49 is grounded; the other end of the resistor R27 is connected to RXD0; one end of the resistor R21 is connected to a 3V3 power supply, and the other end is connected to one end of a resistor R23, one end of a capacitor C21, and EN; the other end of the resistor R23 is connected to port 2 of a switch SW21; the other end of the capacitor C21 is connected to port 1 of the switch SW21 and then grounded; one end of the resistor R25 is connected to a 3V3 power supply, and the other end is connected to IO0; one end of the resistor R26 is connected to IO2, and the other end is grounded; port 1 of the switch SW22 is grounded, and port 2 is connected to IO0.

8. The LoRa and Bluetooth-based aquaculture monitor according to claim 2, characterized in that: The temperature sensing unit includes a chip U6, wherein a pin 1 of the chip U6 is grounded, a pin 2 is connected to DQ, and a pin 3 is connected to a 3V3 power supply.

9. The LoRa and Bluetooth-based aquaculture monitor according to claim 2, characterized in that: The salinity sensing unit includes a chip U9, pin 1 of the chip U9 is connected to a 5V power supply, pins 2-3 are connected to 485A and 485B respectively, and pin 4 is grounded; the solubility sensing unit includes a chip U7, pin 1 of the chip U7 is connected to a 5V power supply, pins 2-3 are connected to 485A and 485B respectively, and pin 4 is grounded.

10. The LoRa and Bluetooth-based aquaculture monitor according to claim 2, characterized in that: The pH sensing unit includes a chip U10, wherein pin 1 of the chip U10 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded; the turbidity sensing unit includes a chip U8, wherein pin 1 of the chip U8 is connected to a 5V power supply, pins 2-3 are respectively connected to 485A and 485B, and pin 4 is grounded.