Calibration system and calibration method for fluorescent temperature measurement demodulator

By calibrating the demodulator and sensor separately, and using a calibration device to simulate fluorescence signals to correct demodulator channel errors, the problem of low production efficiency and resource waste caused by demodulator channel errors in existing technologies is solved, and a high-efficiency and low-cost calibration process is achieved.

CN122016089APending Publication Date: 2026-05-12NANJING MAITONG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202610134294.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-30
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

In the existing calibration process of fluorescent temperature sensors and demodulators, the error between demodulator channels is relatively large, resulting in low efficiency and high cost during mass production. Furthermore, the reliance on constant temperature oil baths leads to resource waste and long calibration time.

Method used

The demodulator and sensor are calibrated separately. The channel error of the demodulator is corrected by simulating the light signal of the fluorescence signal through the calibration device, and the consistency of the sensor is detected in a single fixed constant temperature oil bath, so as to realize the pairing calibration of the sensor and demodulator.

Benefits of technology

It reduced production costs, improved production efficiency, solved the error problem between regulator channels, simplified the calibration process, and reduced reliance on constant temperature oil baths.

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Abstract

The invention relates to the technical field of fluorescence temperature measurement, and discloses a calibration system and a calibration method for a fluorescence temperature measurement demodulator, which are used for generating an optical signal for simulating a fluorescence signal in a manner that the intensity of the emitted optical signal changes according to a specified function so as to replace an optical signal returned by a sensor. Therefore, a photoelectric diode of the demodulator receives a photoelectric signal of which the intensity changes according to a function and converts the photoelectric signal into an electric signal, and after the demodulator analyzes the electric signal, the demodulator corrects a direct error between a restored parameter and a standard parameter sent by the calibration device and takes the direct error as a deviation correction value. Therefore, the channel error of the demodulator is corrected by using the standard optical signal so as to calibrate the demodulator.
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