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Signal acquisition and processing system for frequency stabilization type high-precision digital temperature controller

A technology of signal acquisition and processing system, applied in temperature control using digital devices, temperature control using electric means, etc., can solve the problem that the signal processing system is susceptible to external electromagnetic interference, etc., achieve a stable static operating point, and ensure fidelity The effect of stability and frequency stability

Inactive Publication Date: 2016-10-12
成都特普瑞斯节能环保科技有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the defect that the signal processing system used by the existing digital thermostat is susceptible to external electromagnetic interference, and to provide a signal acquisition and processing system for a frequency-stabilized high-precision digital thermostat

Method used

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  • Signal acquisition and processing system for frequency stabilization type high-precision digital temperature controller
  • Signal acquisition and processing system for frequency stabilization type high-precision digital temperature controller
  • Signal acquisition and processing system for frequency stabilization type high-precision digital temperature controller

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Embodiment

[0021] Such as figure 1 As shown, the present invention is mainly composed of a temperature sensor U, a resistance R1 connected to the temperature sensor U at one end, and grounded at the other end through a potentiometer R2, a two-stage amplifying circuit connected with the temperature sensor U, and simultaneously connected with the two-stage amplifying circuit and A frequency stabilization circuit connected to the temperature sensor U, a feedback circuit and a voltage follower circuit respectively connected to the two-stage amplifying circuit, a potentiometer R3 connected to the power supply at one end, grounded at the other end, and connected to the two-stage amplifying circuit at the control end, and The gate bias circuit is connected with the two-stage amplifying circuit and the voltage follower circuit respectively; the control terminal of the potentiometer R2 is connected with the connection point of the resistor R1 and the potentiometer R2. In order to better implement...

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Abstract

The invention discloses a signal acquisition and processing system for a frequency-stabilized high-precision digital temperature controller, which is characterized in that it mainly consists of a temperature sensor U, one end of which is connected to the temperature sensor U, and the other end is grounded through a potentiometer R2 and a resistance R1 , a two-stage amplifying circuit connected to the temperature sensor U, and a frequency stabilization circuit connected to the two-stage amplifying circuit and the temperature sensor U at the same time. The present invention can amplify the weak signal output by the temperature sensor, and keep the waveform of the output signal consistent with the input signal. The present invention also has a stable static working point, so that the output signal will not be distorted, ensuring the integrity of the output signal. Fidelity; the present invention can also process the signal output by the temperature sensor to make the frequency of the signal more stable so that the temperature detection accuracy of the digital thermostat can be improved, so that the digital thermostat can control the temperature more accurately .

Description

technical field [0001] The invention relates to the field of temperature control, in particular to a signal acquisition and processing system for a frequency-stabilized high-precision digital temperature controller. Background technique [0002] With the development of science and technology, digital temperature controllers have been widely used in daily industrial production. They are used to detect and control the temperature of production equipment and the environment to improve production efficiency and product quality. However, the signal processing system used by the existing digital thermostat tends to distort the waveform of the signal when processing the signal, which leads to the inaccurate temperature detection of the digital thermostat and seriously affects its temperature control accuracy. . Contents of the invention [0003] The purpose of the present invention is to overcome the defect that the signal processing system used by the existing digital temperatu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/19
CPCG05D23/1917
Inventor 不公告发明人
Owner 成都特普瑞斯节能环保科技有限公司
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