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Intelligent fish pond system solution

Time:2021-12-25 17:01:25 Popularity:539

Intelligent fish pond system solution

   1, the background of the intelligent fish pond system solution

  In the past, fish pond farmers had to take care of the fish ponds 24 hours a day, not only to pay attention to the water temperature, light, humidity and other issues in the fish ponds in real time, but more importantly, to keep a good grasp of the dissolved oxygen value of the fish pond water at all times. Now with the help of Internet of Things technology, farmers can understand the situation of fish ponds at home through computers. Not only can they measure specific values, they can also see real-time video, and more importantly, they can provide reinforcements in fish ponds. The equipment can be operated remotely, and there is no need to row a boat to the water center to switch the aeration equipment, which provides great convenience for the farmers.

   2. Intelligent fish pond system solution system composition

  The intelligent fish pond system is divided into three parts: monitoring center, data transmission terminal and video monitoring terminal, terminal data collection and camera.

The monitoring center includes WEB server, data server and PC, etc. The monitoring platform can collect real-time data on the spot 24 hours a day, dynamically display data such as fish pond temperature, pH value, oxygen content, etc., automatically form reports and automatically send when the data is abnormal SMS alarms, and the monitoring center can view live video in real time. In addition, farmers can also access the monitoring platform through the Internet to view the corresponding data and video in real time, or control equipment such as water change and oxygenation.

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The terminal data collector includes temperature sensor, oxygen content sensor, PH sensor, etc., collects PH value, oxygen content, temperature and other data and sends it to DTU, and then transmits it to the monitoring center through the operator's network; at the same time, the monitoring center can send instructions to DTU , DTU is then sent to equipment such as water change and oxygenation for water change or oxygenation.

  Network transmission equipment: In view of the requirements of various situations such as the interface of the collector and the working environment of the equipment, we choose the DTU of zokolink company as the collection and transmission equipment to transmit through the network to realize the wireless remote monitoring of the gas pipeline network by the monitoring center. Here, GPRS DTU is used as the data transmission terminal. DTU is a wireless data transmission terminal for the Internet of Things. It uses the operator network to provide users with wireless long-distance data transmission. It supports GPRS network and supports RS232 and RS485 (or RS422) interfaces to achieve transparency. Data transmission; low power consumption design, the lowest power consumption is less than 1mA; 5 channels of I/0 are provided, which can realize digital input and output, pulse output, analog input, pulse counting and other functions.

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   3, system topology 

   There are two ways to communicate between the terminal equipment and the monitoring center, one is to use the operator’s public network, and the other is to use the APN/VPDN private network. 

  3.1 public network solution

     The monitoring center uses a server group as the center to receive, the center uses Internet public network connection such as ADSL, and uses public network fixed IP or public network dynamic IP+DNS resolution service.

   1) Central public network fixed IP: The monitoring point directly initiates a connection to the central fixed IP, and the operation is reliable and stable.

   2) Central network public network dynamic IP+DNS resolution service: the monitoring point first uses domain name addressing to connect to the DNS server, and then the DNS server connects to the public network dynamic IP to establish a connection. The advantage of this method is that it can greatly save the cost of fixing the IP address on the public network. The disadvantage is that the stability is restricted by the resolution speed and accuracy of the DNS server.

   3.2 Private network method 

 VPDN/APN dedicated line is also called virtual private dial-up network, which is a kind of VPN service, which is a virtual private dial-up network service based on dial-up users. That is, dial-up access to the Internet is a secure virtual private network established by using the bearer function of the IP network and the corresponding authentication and authorization mechanism. It is a technology that has developed rapidly with the development of the Internet in recent years. 

  4, the characteristics of intelligent fish pond system solutions 

  4.1. Stability: Using industrial-grade high-performance processors, it can withstand the long-term harsh environment test to ensure the smoothness of communication; reliable network connection, with device redial function, can ensure that the device is always online. 

  4.2. Low cost: wireless data transmission terminal is used, no network wiring is required, equipment installation is flexible, not affected by geographic environment, single point equipment is cheap, reducing wiring problems and reducing costs.

  4.3. Flexibility and scalability: Standard communication protocol is adopted; at the same time, it is required to facilitate installation, construction, debugging, operation and maintenance.

  4.4. Timeliness: When the data is abnormal, it can send SMS alerts to the person in charge through the GSM network in time to avoid hidden dangers.

  4.5. Convenience: Wherever management personnel are, they can monitor fish ponds via the Internet. They can capture images or videos regularly, and they can conduct scientific management of fish ponds through remote operation.

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