Amplitude stabilizing circuit-based low-interference temperature automatic control system
An automatic control system, low-interference technology, applied in the direction of using electric means for temperature control, auxiliary controllers with auxiliary heating devices, etc., can solve the problem of low temperature control accuracy, improve control accuracy, and eliminate high-frequency signals. The effect of interference and stable amplitude
Inactive Publication Date: 2018-01-26
CHENGDU YUEXIANGXIANG TECH CO LTD
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Problems solved by technology
[0003] The purpose of the present invention is to overcome the defect that the traditional temperature control system has low temperature control accuracy, and to provide a low-interference automatic temperature control system based on a stable amplitude circuit
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[0020] Such as figure 1 As shown, the present invention is mainly composed of a microcontroller, a display, an electromagnetic switch controlled by a heater, an electromagnetic switch controlled by a fan, a heater, a fan, a signal processing unit, an analog-to-digital conversion module, an amplitude stabilization circuit and a temperature sensor.
[0021] The temperature sensor is set on site to collect the temperature on site and output corresponding analog signal to the amplitude stabilization circuit, which is realized by FST600-101 temperature sensor produced by Hunan First Sensor Co., Ltd. After the signal is processed by the amplitude stabilization circuit, the signal is transmitted to the analog-to-digital conversion module. The analog-to-digital conversion module is used to convert the analog signal output by the amplitude stabilization circuit into a digital signal and output it to the signal processing unit. The analog-to-digital conversion module adopts AD7810 The V...
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An amplitude stabilizing circuit-based low-interference temperature automatic control system disclosed by the present invention is characterized by being mainly composed of a microcontroller, a display, a heater control electromagnetic switch, a draught fan control electromagnetic switch and a signal processing unit which are connected with the microcontroller separately, a heater connected with the heater control electromagnetic switch, a draught fan connected with the draught fan control electromagnetic switch, an analog-to-digital conversion module connected with the signal processing unit,an amplitude stabilizing circuit connected with the analog-to-digital conversion module, and a temperature sensor connected with the amplitude stabilizing circuit. A detection signal becomes more stable after being processed by the signal processing unit, and the influence of an interference signal can be eliminated, so that the microcontroller can identify and compare the detection signal more accurately, and the on-site temperature control precision of the amplitude stabilizing circuit-based low-interference temperature automatic control system of the present invention is improved.
Description
technical field [0001] The invention relates to a control system, in particular to a low-interference temperature automatic control system based on an amplitude stabilizing circuit. Background technique [0002] Driven by high technology, society is entering the era of real digitization, intelligence and networking, and temperature, as an important physical quantity, is one of the most common and important process parameters in the industrial production process. With the continuous development of industry, the requirements for temperature control are getting higher and higher, and the requirements for temperature control are also getting higher and higher. However, the traditional temperature control system does not have high temperature control accuracy and cannot meet people's needs. Contents of the invention [0003] The purpose of the present invention is to overcome the defect that the traditional temperature control system has low temperature control accuracy, and p...
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Inventor 王青松
Owner CHENGDU YUEXIANGXIANG TECH CO LTD