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Sewage treatment plant TCP/IP (transmission control protocol/Internet protocol) local area network automatic control system and method

A technology for automatic control systems and sewage treatment plants, applied in general control systems, control/regulation systems, transmission systems, etc., can solve the problems of slow variable reading speed of MCGS, unsuitable for mass production of devices, and poor encapsulation, etc. Achieve the effect of reducing production and maintenance costs, extending trouble-free service life, and reducing equipment maintenance costs

Active Publication Date: 2015-05-06
XINYANG NORMAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 1. The main control system is large in size and poor in encapsulation
[0008] 2. PLC (Programmable Logic Controller) is expensive, and the cost is particularly high, so it is not suitable for mass production of devices
[0009] 3. In industrial control, MCGS reads variables very slowly, which makes the system unable to process sewage in real time
[0010] 4. The sewage treatment system is a lagging system, which affects the timeliness of sewage treatment

Method used

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  • Sewage treatment plant TCP/IP (transmission control protocol/Internet protocol) local area network automatic control system and method
  • Sewage treatment plant TCP/IP (transmission control protocol/Internet protocol) local area network automatic control system and method
  • Sewage treatment plant TCP/IP (transmission control protocol/Internet protocol) local area network automatic control system and method

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Embodiment Construction

[0028] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] refer to figure 1 , the PIC16F877A controller implements real-time data exchange with the communication chip W5500 through the SPI communication protocol. In this system, the PIC16F877A controller is used as the main control of the SPI communication. The controller transmits the data of the relevant registers to the communication chip W5500 in real time and reads the data transmitted from the LAN. The communication chip W5500 transmits the data to the LAN through the TCP / IP protocol, and the controller that meets the data address requirements receives the data and makes a Corresponding action response, so as to realize the control and collection of digital and analog quantities of the terminal, and realize system automation.

[0030] Such as figure 2 As shown, the core chip of the control system ado...

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Abstract

The invention discloses a sewage treatment plant TCP / IP (transmission control protocol / Internet protocol) local area network automatic control system and method. The sewage treatment plant TCP / IP local area network automatic control system is characterized in that a controller PIC16F877A achieves real-time data exchange of a communication chip W5500 through an SPI communication protocol, and serves as a main controller of SPI communication, when the controller independently achieves data acquisition and control instruction output controlled by a terminal, the controller PIC16F877A transmits the data communication chip W5500 of an associated register in real time and reads data transmitted from a local area network, the communication chip W5500 transmits the data to the local area network in a TCP / IP mode, the controller which meets the data address requirement receives the data and makes the corresponding movement response, digital control, digital acquisition and control and acquisition of the analog quantity of the terminal are achieved, and system automation is achieved. The sewage treatment plant TCP / IP local area network automatic control system has the advantages of being low in cost and long in service life.

Description

technical field [0001] The invention belongs to the technical field of sewage treatment, and relates to a sewage treatment plant TCP / IP local area network automatic control system and method, in particular, relates to a sewage treatment plant TCP / IP local area network automatic control system and method based on a PIC single-chip microcomputer. Background technique [0002] The automatic control technology of foreign sewage treatment plants started earlier, from large sewage treatment plants to small oxidation ponds, all adopt modern tools such as computer automatic control, remote control and closed-circuit television. my country's sewage treatment plants did not begin to introduce automatic control systems until after the 1990s, but most of them directly imported complete sets of foreign automatic control equipment, and the application of domestic automatic control systems is still relatively small. PID adjustment, ratio, feed-forward, feed-back, FCS (fieldbus control syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G05B19/042
CPCG05B19/0425H04L67/025H04L69/16
Inventor 涂友超龚克胡雪慧冯萍王秋实余大庆
Owner XINYANG NORMAL UNIVERSITY
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