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Low noise temperature control system based on digital PID

A temperature control system and low-noise technology, applied in the direction of temperature control, control/regulation system, and controllers with specific characteristics, etc., can solve the problems of substandard factory settings, loud heating system noise, troublesome operation of enterprises, etc., to achieve control Convenience, low cost, good effect

Inactive Publication Date: 2017-05-31
ANHUI BOWEI ELECTRONICS TECH
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  • Claims
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Problems solved by technology

[0002] In the process of industrial production, temperature is one of the common process parameters in the process of industrial production. The quality of temperature control directly affects the quality of products. Timely and accurate temperature information and proper control are used in many industrial occasions. They are all important links. For temperature control under different production conditions and process requirements, the heating methods and control methods are different. However, the heating system in the industry is relatively noisy and will generate large noise pollution. This makes many The setting of the factory is not up to standard, which brings a lot of trouble to the operation of many enterprises

Method used

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  • Low noise temperature control system based on digital PID
  • Low noise temperature control system based on digital PID

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Embodiment

[0018] see Figure 1 to Figure 4 , the present invention provides a technical solution: a low-noise temperature control system based on digital PID, including a PLC controller 1 and a temperature measurement module 2, the output ends of the PLC controller 1 are respectively connected to a heating circuit 3 and a cooling circuit 4. The output end of the cooling circuit 4 is connected to the input end of the electric furnace 6 through the fan controller 5, the input end of the electric furnace 6 is connected to the output end of the heating circuit 3, and the output end of the electric furnace 6 is also passed through The thermocouple module 8 is connected with the expansion module 9, and the output end of the PLC controller 1 is also connected with the sound and light alarm 11 through the threshold value setting module 10, and the input end of the sound and light alarm 11 is also connected with a reset Circuit 12, the two-way port of described PLC controller 1 is also connected...

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Abstract

The invention discloses a low noise temperature control system based on a digital PID. The system comprises a PLC controller and a temperature measurement module. The output end of the PLC controller is respectively connected to a heating circuit and a cooling circuit. The input end of an electric furnace is connected to the output end of the heating circuit. The output end of the electric furnace is connected to an expansion module through a thermocouple module. The bidirectional port of the PLC controller is connected to a communication card module with the use of a CP5611 series chip card. The input and output ports of the communication module are connected to an industrial control computer. The industrial control computer is internally provided with configuration software. A temperature measuring module is connected to the data end of the industrial control computer through a control wire. The PLC controller is used to carry out digital PID operation, the flexibility of a software system is fully played, and the system has the advantages of convenient control, simplicity and high flexibility.

Description

technical field [0001] The invention relates to the technical field of temperature control systems, in particular to a digital PID-based low-noise temperature control system. Background technique [0002] In the process of industrial production, temperature is one of the common process parameters in the process of industrial production. The quality of temperature control directly affects the quality of products. Timely and accurate temperature information and proper control are used in many industrial occasions. They are all important links. For temperature control under different production conditions and process requirements, the heating methods and control methods are different. However, the heating system in the industry is relatively noisy and will generate large noise pollution. This makes many The setting of the factory is not up to standard, which has brought a lot of trouble to the operation of many enterprises. Contents of the invention [0003] In view of the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20G05B11/42
CPCG05D23/20G05B11/42G05D23/1919
Inventor 苏鸿伟
Owner ANHUI BOWEI ELECTRONICS TECH
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