Intelligent control system for indoor recirculating aquaculture

Abstract

The utility model relates to an intelligent control system for indoor recirculating aquaculture, and the system comprises a power cabinet, a power supply module which is connected with a three-phase four-wire of commercial power, and is used for supplying power to a whole machine; the wire outlet end of the power supply module is connected with the first air switch group. The wire outlet end of the first air switch group is connected with the frequency converter, the contactor, the intelligent data acquisition controller and the corresponding wiring position of the wiring terminal strip. Each frequency converter is correspondingly connected with the second air switch group; the second air switch group and the wire outlet end of the contactor are respectively connected with the corresponding wiring position of the wiring terminal strip; monitoring lines of the power failure alarms are respectively connected with wiring positions corresponding to wiring terminal strips of electrical equipment in the indoor circulating water system, communication lines of the power failure alarms are connected with the intelligent data acquisition controller, and the intelligent data acquisition controller is further connected with the sensor equipment and the Internet of Things platform. The device can be widely applied to the technical field of aquaculture.

Description

Technical Field

[0001] The utility model relates to the technical field of aquaculture, and in particular to an indoor circulating water intelligent aquaculture control system. Background Art

[0002] Indoor factory-scale recirculating aquaculture primarily focuses on high-density farming of premium, high-quality fish. This model conserves land and water resources, providing a long-term, stable, and reliable water quality environment for farmed fish. Through filtration, sterilization, and oxygenation, aquaculture wastewater is treated and returned to the system for recycling. Although this system has high initial construction and operating costs, requiring highly trained professional aquaculture personnel for testing and operation, its stable operation and the quality of treated water meet standards, providing a good water quality environment for farmed fish. With controllable environmental conditions, both aquaculture efficiency and product quality are relatively high. This model has great potential for application, especially in the high-efficiency farming of premium, high-quality fish.

[0003] Due to the high density of indoor recirculating aquaculture, the breeding risks are also relatively high. Compared with traditional pond breeding, it involves more equipment operation links. Negligence in any link will lead to breeding failure. Therefore, indoor factory recirculating aquaculture has very high professional and technical requirements for breeding personnel. Summary of the Invention

[0004] In response to the above problems, the purpose of this utility model is to provide an intelligent control system for indoor recirculating aquaculture, which can automatically monitor various indicators of the indoor recirculating water system and automatically provide feedback and regulation, effectively reducing the difficulty of indoor recirculating aquaculture and the intensity of daily management work.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An indoor circulating aquaculture intelligent control system, comprising:

[0007] A power cabinet, in which a power supply module, a first air switch group, a second air switch group, an intelligent data acquisition controller, several contactors, several frequency converters, several power failure alarms and a terminal block are installed in order;

[0008] The power supply module is used to connect to the three-phase four-wire of the mains to power the entire machine; the output terminals of the power supply module are respectively connected to the input terminals of the first air switch group, and the output terminals of the first air switch group are connected to the corresponding wiring positions of the inverter, contactor, intelligent data acquisition controller and terminal block;

[0009] The outgoing terminals of the frequency converters are respectively connected to the incoming terminals of the second air switch group, and the outgoing terminals of the second air switch group and the contactor are respectively connected to the corresponding wiring positions of the terminal block;

[0010] The monitoring lines of the power-off alarms are respectively connected to the corresponding wiring positions of the terminal blocks of the electrical equipment in the indoor circulating water system, the communication lines of the power-off alarms are connected to the communication ports of the intelligent data acquisition controller, and the communication interface of the intelligent data acquisition controller is also connected to the communication lines of the sensor equipment in the indoor circulating water system;

[0011] The intelligent data acquisition controller is also connected to the Internet of Things platform.

[0012] Furthermore, the power supply module includes a circuit breaker, a smart meter and a surge protector;

[0013] The inlet of the circuit breaker is connected to the three-phase four-wire of the mains power, and the outlet of the circuit breaker is connected to the inlet of the smart meter and the surge protector respectively, and the smart meter counts all the power consumption of the whole machine;

[0014] The other end of the surge protector is connected to the ground to prevent surge current from damaging electrical equipment;

[0015] The output terminal of the smart meter serves as the output terminal of the power supply module.

[0016] Furthermore, the incoming ends of the first air switch group are all connected to the outgoing ends of the smart meter, including the frequency converter air switch, the intelligent digital acquisition controller air switch, the main biochemical pool blower air switch, the auxiliary biochemical pool blower air switch, the microfiltration machine air switch, the ultraviolet sterilizer air switch, the indoor exhaust fan air switch, the greenhouse roller shutter machine air switch, the indoor fluorescent lamp air switch and the solenoid valve air switch, and the outgoing ends of each air switch are respectively connected to the corresponding frequency converter, intelligent digital acquisition controller and contactor.

[0017] Furthermore, the first air switch group also includes a three-phase electric standby air switch, a three-phase electric standby air switch, a two-phase electric standby air switch, and a two-phase electric standby air switch, and the connection terminals of the three-phase electric standby air switch, the three-phase electric standby air switch, the two-phase electric standby air switch, and the two-phase electric standby air switch are respectively connected to the output terminals of the smart meter, and the output terminals of the three-phase electric standby air switch, the three-phase electric standby air switch, the two-phase electric standby air switch, and the two-phase electric standby air switch are respectively connected to the corresponding connection positions of the terminal block.

[0018] Furthermore, the frequency converter includes a water pump frequency converter and a Roots blower frequency converter;

[0019] The connection terminals of the water pump inverter and the Roots blower inverter are both connected to the outlet terminals of the inverter air switch;

[0020] The outlet terminals of the water pump inverter and the Roots blower inverter are respectively connected to the second air switch group;

[0021] The communication lines of the water pump frequency converter and the Roots blower frequency converter are connected to the intelligent data acquisition controller.

[0022] Furthermore, the second air switch group includes a main water pump air switch and an auxiliary water pump air switch connected to the output end of the water pump inverter, and a main Roots blower air switch and an auxiliary Roots blower air switch connected to the output end of the Roots blower inverter. The output ends of the main water pump air switch, the auxiliary water pump air switch, the main Roots blower air switch and the auxiliary Roots blower air switch are respectively connected to the corresponding wiring positions of the terminal block.

[0023] Furthermore, the incoming ends of the contactors are respectively connected to the outgoing ends of the first air switch group, including the main biochemical pool blower contactor, the auxiliary biochemical pool blower air switch, the microfiltration machine air switch, the ultraviolet sterilizer air switch, the indoor exhaust fan air switch, the greenhouse roller shutter machine air switch, the indoor fluorescent lamp air switch and the solenoid valve air switch, respectively connected to the outgoing ends of the main biochemical pool blower air switch, the auxiliary biochemical pool blower air switch, the microfiltration machine contactor, the ultraviolet sterilizer contactor, the indoor exhaust fan contactor, the greenhouse roller shutter machine contactor, the indoor fluorescent lamp contactor and the solenoid valve contactor; the outgoing ends of each contactor are respectively connected to the corresponding wiring positions of the terminal block; the control coil of each contactor is also connected to the relay interface contact of the intelligent data acquisition controller.

[0024] Furthermore, the monitoring lines of the power-off alarm are respectively connected to the corresponding wiring positions of the terminal block, including: a main water pump power-off alarm connected to the wiring position of the main water pump, a secondary water pump power-off alarm connected to the wiring position of the secondary water pump, a main Roots blower power-off alarm connected to the wiring position of the main Roots blower, a secondary Roots blower power-off alarm connected to the wiring position of the secondary Roots blower, a main biochemical pool blower power-off alarm connected to the wiring position of the main biochemical pool blower, and a secondary biochemical pool blower power-off alarm connected to the wiring position of the secondary biochemical pool blower. The power-off alarm of the blower of the auxiliary biochemical pool connected to the wiring position, the power-off alarm of the microfiltration machine connected to the wiring position of the microfiltration machine, the power-off alarm of the ultraviolet sterilizer connected to the wiring position of the ultraviolet sterilizer, the power-off alarm of the indoor exhaust fan connected to the wiring position of the indoor exhaust fan, and the power-off alarm of the greenhouse roller shutter machine connected to the wiring position of the greenhouse roller shutter machine. The communication lines of all the alarms are connected to the communication interface of the intelligent data acquisition controller; each power-off alarm is also provided with an indicator light for indicating the operating status of the electrical equipment.

[0025] Furthermore, the sensor equipment includes temperature and humidity sensors in the greenhouse, smart water meters, and temperature, dissolved oxygen, pH, ammonia nitrogen, conductivity and turbidity sensors for water quality measurement.

[0026] Due to the adoption of the above technical solution, the utility model has the following advantages: the utility model collects and remotely displays all data of system operation through an intelligent data acquisition controller, making it convenient for technicians to view and provide solutions anytime and anywhere; by monitoring and automatically adjusting each node of the circulation system, the difficulty of breeding is reduced, and the daily management workload of breeding technicians is greatly reduced.

[0027] Therefore, the utility model can be widely applied in the field of aquaculture technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present invention. Throughout the accompanying drawings, the same reference numerals are used to denote the same components. In the accompanying drawings:

[0029] Figure 1 It is a schematic diagram of an indoor circulating aquaculture intelligent control system provided in an embodiment of the present utility model;

[0030] The accompanying drawings are denoted as follows:

[0031] 1. Power cabinet; 2. Circuit breaker; 3. Smart meter; 4. Frequency converter air switch; 5. Intelligent data acquisition controller air switch; 6. Surge protector; 7. Intelligent data acquisition controller; 8. Water pump frequency converter; 9. Roots blower frequency converter; 10. Main biochemical pool blower air switch; 11. Auxiliary biochemical pool blower air switch; 12. Microfiltration machine air switch; 13. UV sterilizer air switch; 14. Indoor exhaust fan air switch; 15. Greenhouse roller shutter machine air switch; 16. Indoor fluorescent lamp air switch; 17. Solenoid valve air switch; 18. Three-phase standby air switch; 19. Three-phase standby air switch; 20. Main biochemical pool blower contactor; 21. Auxiliary biochemical pool blower contactor; 22. Microfiltration machine contactor; 23. UV sterilizer contactor; 24. Indoor Exhaust fan contactor; 25. Greenhouse roller shutter contactor; 26. Indoor fluorescent lamp contactor; 27. Solenoid valve contactor; 28. Two-phase standby air switch; 29. ​​Two-phase standby air switch; 30. Main water pump air switch; 31. Auxiliary water pump air switch; 32. Main Roots blower air switch; 33. Auxiliary Roots blower air switch; 34. Main water pump power off alarm; 35. Auxiliary water pump power off alarm; 36. Main Roots blower power off alarm; 37. Auxiliary Roots blower power off alarm; 38. Main biochemical pool blower power off alarm; 39. Auxiliary biochemical pool blower power off alarm; 40. Microfiltration machine power off alarm; 41. UV sterilizer power off alarm; 42. Indoor exhaust fan power off alarm; 43. Greenhouse roller shutter machine power off alarm; 44. Terminal block. DETAILED DESCRIPTION

[0032] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of the present invention.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] In some embodiments of the present invention, an indoor circulating aquaculture intelligent control system is provided, which includes: a power cabinet and circuit breakers, smart meters, surge protectors, air switches, contactors, frequency converters, power failure alarms and other equipment arranged in the power cabinet. The system can automatically monitor various indicators of the indoor circulating water system and can automatically provide feedback and control, effectively reducing the difficulty of indoor circulating aquaculture and the intensity of daily management work.

[0035] Example 1

[0036] like Figure 1 As shown, the present invention provides an intelligent control system for indoor circulating aquaculture, which includes: a power cabinet 1, in which a power supply module, a first air switch group, a second air switch group, an intelligent data acquisition controller 7, a plurality of contactors, a plurality of frequency converters, a plurality of power failure alarms, and a terminal block 44 are installed in an orderly manner. Among them, the power supply module is used to connect to the three-phase four-wire of the mains power to power the entire system; the output terminals of the power supply module are respectively connected to the input terminals of the first air switch group, and the output terminals of the first air switch group are connected to the corresponding wiring positions of the frequency converter, contactor, intelligent data acquisition controller, and terminal block 44; the output terminals of each frequency converter are respectively connected to the input terminals of the second air switch group, and the output terminals of the second air switch group and contactor are respectively connected to the corresponding wiring positions of the terminal block 44; the monitoring lines of each power failure alarm are respectively connected to the corresponding wiring positions of the terminal block 44 of the electrical equipment in the indoor circulating water system, and the communication lines of each power failure alarm are connected to the communication port of the intelligent data acquisition controller; the communication interface of the intelligent data acquisition controller is also connected to the communication lines of the frequency converter and the sensor equipment in the indoor circulating water system.

[0037] Furthermore, the power supply module includes a circuit breaker 2, a smart meter 3, and a surge protector 6. The incoming line of the circuit breaker 2 is connected to the three-phase four-wire mains power supply, while the outgoing line of the circuit breaker 2 is connected to the incoming line of the smart meter 3 and the surge protector 6, respectively. The smart meter 3 calculates the total power consumption of the entire device. The other end of the surge protector 6 is connected to a wire and ground to prevent external surge currents such as lightning strikes from damaging the electrical equipment. The outgoing line of the smart meter 3 serves as the outgoing line of the power supply module.

[0038] Furthermore, the incoming ends of the first air switch group are all connected to the outgoing ends of the smart meter 3, and mainly include the frequency converter air switch 4, the intelligent digital acquisition controller air switch 5, the main biochemical pool blower air switch 10, the auxiliary biochemical pool blower air switch 11, the microfiltration machine air switch 12, the ultraviolet sterilizer air switch 13, the indoor exhaust fan air switch 14, the greenhouse roller shutter machine air switch 15, the indoor fluorescent lamp air switch 16 and the solenoid valve air switch 17, and the outgoing ends of each air switch are respectively connected to the corresponding frequency converter, intelligent digital acquisition controller 7 and contactor.

[0039] Furthermore, the first air switch group also includes a three-phase electric standby air switch 18, a three-phase electric standby air switch 19, a two-phase electric standby air switch 28, and a two-phase electric standby air switch 29, and the connection terminals of the three-phase electric standby air switch 18, the three-phase electric standby air switch 19, the two-phase electric standby air switch 28, and the two-phase electric standby air switch 29 are respectively connected to the output terminals of the smart meter 3, and the output terminals of the three-phase electric standby air switch 18, the three-phase electric standby air switch 19, the two-phase electric standby air switch 28, and the two-phase electric standby air switch 29 are respectively connected to the corresponding connection positions of the terminal block 44.

[0040] Furthermore, the frequency converter includes a water pump frequency converter 8 and a main Roots blower frequency converter 9, and the input ends of the water pump frequency converter 8 and the main Roots blower frequency converter 9 are connected to the output ends of the frequency converter air switch 4, and the output ends of the water pump frequency converter 8 and the main Roots blower frequency converter 9 are respectively connected to the corresponding air switches in the second air switch group; the communication lines of the water pump frequency converter 8 and the main Roots blower frequency converter 9 are connected to the intelligent data acquisition controller 7, and the intelligent data acquisition controller 7 remotely controls the start and stop of the water pump frequency converter 8 and the main Roots blower frequency converter 9, and at the same time adjusts the operating frequency of the water pump frequency converter 8 and the main Roots blower frequency converter 9, thereby controlling the water flow rate of the water pump in the indoor circulating water system and the aeration intensity in the breeding pond.

[0041] Furthermore, the second air switch group includes a main water pump air switch 30 and an auxiliary water pump air switch 31 connected to the output end of the water pump inverter 8, and a main Roots blower air switch 32 and an auxiliary Roots blower air switch 33 connected to the output end of the Roots blower inverter 9. The output ends of the main water pump air switch 30, the auxiliary water pump air switch 31, the main Roots blower air switch 32 and the auxiliary Roots blower air switch 33 are respectively connected to the corresponding wiring positions of the terminal block 44.

[0042] Furthermore, the incoming ends of the contactors are respectively connected to the outgoing ends of the first air switch group, mainly including the main biochemical pool blower contactor 20, the auxiliary biochemical pool blower air switch 10, the auxiliary biochemical pool blower air switch 11, the microfiltration machine air switch 12, the ultraviolet sterilizer air switch 13, the indoor exhaust fan air switch 14, the greenhouse roller shutter machine air switch 15, the indoor fluorescent lamp air switch 16 and the solenoid valve air switch 17, respectively connected to the outgoing ends of the main biochemical pool blower air switch 10, the auxiliary biochemical pool blower air switch 11, the microfiltration machine air switch 12, the ultraviolet sterilizer air switch 13, the indoor exhaust fan air switch 14, the greenhouse roller shutter machine air switch 15, the indoor fluorescent lamp air switch 16 and the solenoid valve air switch 17; the outgoing ends of each contactor are respectively connected to the corresponding wiring positions of the terminal block 44; the control coil of each contactor is also connected to the relay interface contact of the intelligent data acquisition controller 7 and controlled by the intelligent data acquisition controller 7.

[0043] Furthermore, the monitoring lines of the power-off alarm are respectively connected to the corresponding wiring positions of the terminal block 44, which include: a main water pump power-off alarm 34 connected to the wiring position of the main water pump, an auxiliary water pump power-off alarm 35 connected to the wiring position of the auxiliary water pump, a main Roots blower power-off alarm 36 connected to the wiring position of the main Roots blower, an auxiliary Roots blower power-off alarm 37 connected to the wiring position of the auxiliary Roots blower, a main biochemical pool blower power-off alarm 38 connected to the wiring position of the main biochemical pool blower, and an auxiliary biochemical pool blower power-off alarm 39 connected to the wiring position of the auxiliary biochemical pool blower. The machine power off alarm 39, the microfiltration machine power off alarm 40 connected to the wiring position of the microfiltration machine, the ultraviolet sterilizer power off alarm 41 connected to the wiring position of the ultraviolet sterilizer, the indoor exhaust fan power off alarm 42 connected to the wiring position of the indoor exhaust fan, and the greenhouse roller shutter machine power off alarm 43 connected to the wiring position of the greenhouse roller shutter machine, the communication lines of each alarm are all connected to the communication interface of the intelligent data acquisition controller 7; each power off alarm is also provided with an indicator light, when the connected electrical equipment is operating normally, the indicator light goes out, when the electrical equipment stops operating, the indicator light will continue to flash.

[0044] Furthermore, the sensor equipment mainly includes temperature and humidity sensors in the greenhouse, smart water meters, and sensors for measuring water quality such as temperature, dissolved oxygen, pH, ammonia nitrogen, conductivity and turbidity.

[0045] Furthermore, the intelligent data acquisition controller 7, the core component of the indoor recirculating aquaculture intelligent control system, is equipped with a data acquisition module, a control instruction output module, and a data transmission module. The data acquisition module receives analog input signals from sensor devices and switch input signals from each power failure alarm. The control instruction output module sends corresponding relay output signals and analog output signals to each contactor and inverter according to platform instructions. The data transmission module uploads collected data to the IoT platform for real-time display and receives control instructions issued by the IoT platform.

[0046] Furthermore, the relay ports of the intelligent data acquisition controller 7 connected to each contactor are respectively provided with corresponding indicator lights. When a remote instruction turns on the port, the corresponding indicator light will also light up.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the present invention can still be modified or replaced by equivalents. Any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. An indoor circulating aquaculture intelligent control system, characterized in that: include: A power cabinet, in which a power supply module, a first air switch group, a second air switch group, an intelligent data acquisition controller, several contactors, several frequency converters, several power failure alarms and a terminal block are installed in order; The power supply module is used to connect to the three-phase four-wire of the mains to power the entire machine; the output terminals of the power supply module are respectively connected to the input terminals of the first air switch group, and the output terminals of the first air switch group are connected to the corresponding wiring positions of the inverter, contactor, intelligent data acquisition controller and terminal block; The outgoing terminals of the frequency converters are respectively connected to the incoming terminals of the second air switch group, and the outgoing terminals of the second air switch group and the contactor are respectively connected to the corresponding wiring positions of the terminal block; The monitoring lines of the power-off alarms are respectively connected to the corresponding wiring positions of the terminal blocks of the electrical equipment in the indoor circulating water system, the communication lines of the power-off alarms are connected to the communication ports of the intelligent data acquisition controller, and the communication interface of the intelligent data acquisition controller is also connected to the communication lines of the sensor equipment in the indoor circulating water system; The intelligent data acquisition controller is also connected to the Internet of Things platform.

2. An indoor circulating aquaculture intelligent control system according to claim 1, characterized in that: The power supply module includes a circuit breaker, a smart meter and a surge protector; The inlet of the circuit breaker is connected to the three-phase four-wire of the mains power, and the outlet of the circuit breaker is connected to the inlet of the smart meter and the surge protector respectively, and the smart meter counts all the power consumption of the whole machine; The other end of the surge protector is connected to the ground to prevent surge current from damaging electrical equipment; The output terminal of the smart meter serves as the output terminal of the power supply module.

3. An indoor circulating aquaculture intelligent control system according to claim 2, characterized in that: The incoming ends of the first air switch group are all connected to the outgoing ends of the smart meter, including the frequency converter air switch, the intelligent digital acquisition controller air switch, the main biochemical pool blower air switch, the auxiliary biochemical pool blower air switch, the microfiltration machine air switch, the ultraviolet sterilizer air switch, the indoor exhaust fan air switch, the greenhouse roller shutter machine air switch, the indoor fluorescent lamp air switch and the solenoid valve air switch, and the outgoing ends of each air switch are respectively connected to the corresponding frequency converter, intelligent digital acquisition controller and contactor.

4. The intelligent control system for indoor circulating aquaculture according to claim 2, characterized in that: The first air switch group also includes a first three-phase electric standby air switch, a second three-phase electric standby air switch, a first two-phase electric standby air switch, and a second two-phase electric standby air switch, and the connection terminals of the first three-phase electric standby air switch, the second three-phase electric standby air switch, the first two-phase electric standby air switch, and the second two-phase electric standby air switch are respectively connected to the output terminals of the smart meter, and the output terminals of the first three-phase electric standby air switch, the second three-phase electric standby air switch, the first two-phase electric standby air switch, and the second two-phase electric standby air switch are respectively connected to the corresponding connection positions of the terminal block.

5. The intelligent control system for indoor circulating aquaculture according to claim 3, characterized in that: The frequency converter includes a water pump frequency converter and a Roots blower frequency converter; The connection terminals of the water pump inverter and the Roots blower inverter are both connected to the outlet terminals of the inverter air switch; The outlet terminals of the water pump inverter and the Roots blower inverter are respectively connected to the second air switch group; The communication lines of the water pump frequency converter and the Roots blower frequency converter are connected to the intelligent data acquisition controller.

6. An indoor circulating aquaculture intelligent control system according to claim 5, characterized in that: The second air switch group includes a main water pump air switch and an auxiliary water pump air switch connected to the outlet end of the water pump inverter, and a main Roots blower air switch and an auxiliary Roots blower air switch connected to the outlet end of the Roots blower inverter. The outlet ends of the main water pump air switch, the auxiliary water pump air switch, the main Roots blower air switch and the auxiliary Roots blower air switch are respectively connected to the corresponding wiring positions of the terminal block.

7. The intelligent control system for indoor recirculating aquaculture according to claim 2, characterized in that: The incoming ends of the contactors are respectively connected to the outgoing ends of the first air switch group, including the main biochemical pool blower contactor, the auxiliary biochemical pool blower air switch, the microfiltration machine air switch, the ultraviolet sterilizer air switch, the indoor exhaust fan air switch, the greenhouse roller shutter air switch, the indoor fluorescent lamp air switch and the solenoid valve air switch, which are respectively connected to the outgoing ends of the main biochemical pool blower air switch, the auxiliary biochemical pool blower air switch, the microfiltration machine contactor, the ultraviolet sterilizer contactor, the indoor exhaust fan contactor, the greenhouse roller shutter contactor, the indoor fluorescent lamp contactor and the solenoid valve contactor; the outgoing ends of each contactor are respectively connected to the corresponding wiring positions of the terminal block; the control coil of each contactor is also connected to the relay interface contact of the intelligent data acquisition controller.

8. The intelligent control system for indoor recirculating aquaculture according to claim 1, characterized in that: The monitoring lines of the power-off alarm are respectively connected to the corresponding wiring positions of the terminal block, including: the main water pump power-off alarm connected to the wiring position of the main water pump, the auxiliary water pump power-off alarm connected to the wiring position of the auxiliary water pump, the main Roots blower power-off alarm connected to the wiring position of the main Roots blower, the auxiliary Roots blower power-off alarm connected to the wiring position of the auxiliary Roots blower, the main biochemical pool blower power-off alarm connected to the wiring position of the main biochemical pool blower, and the auxiliary biochemical pool blower power-off alarm connected to the wiring position of the auxiliary biochemical pool blower. The power off alarm of the auxiliary biochemical pool blower is connected to the wiring position of the microfiltration machine, the power off alarm of the ultraviolet sterilizer is connected to the wiring position of the ultraviolet sterilizer, the power off alarm of the indoor exhaust fan is connected to the wiring position of the indoor exhaust fan, and the power off alarm of the greenhouse roller shutter machine is connected to the wiring position of the greenhouse roller shutter machine. The communication lines of all alarms are connected to the communication interface of the intelligent data acquisition controller; each power off alarm is also provided with an indicator light for indicating the operating status of the electrical equipment.

9. The intelligent control system for indoor recirculating aquaculture according to claim 1, characterized in that: The sensor equipment includes temperature and humidity sensors in the greenhouse, smart water meters, and temperature, dissolved oxygen, pH, ammonia nitrogen, conductivity and turbidity sensors for water quality measurement.

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