A micro-capacitance measurement system

By generating a square wave signal through an integrated module, the main controller calculates the capacitance value, the display module displays the capacitance value, and the host computer module stores the data, the problem of large measurement error in picofarad capacitance measurement in existing technologies is solved, and high-precision capacitance measurement is achieved.

CN224354496UActive Publication Date: 2026-06-12TIANJIN UNIV OF TECH & EDUCATION (TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TIANJIN UNIV OF TECH & EDUCATION (TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE)
Filing Date
2025-06-18
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Existing capacitance measurement equipment has a large error when measuring picofarad capacitance, resulting in inaccurate measurement results.

⚗Method used

An integrated module generates a square wave signal by controlling the charging and discharging process of the capacitor under test. The main controller collects the square wave signal and calculates the capacitance value. The display module displays the capacitance value in real time. The host computer module realizes remote monitoring and storage of data, calculates the capacitance value under test through the square wave signal, and performs software error compensation.

🎯Benefits of technology

It improves the measurement accuracy of picofarad capacitance and enables real-time, error-free capacitance measurement data display and data storage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a micro-capacitance measurement system, which comprises an integrated module, a main controller, a display module and an upper computer module; the integrated module generates a square wave signal by controlling the charging and discharging process of a to-be-measured capacitance; the main controller is used for collecting the square wave signal generated by the integrated module and calculating the capacitance value of the to-be-measured capacitance through the square wave signal; the display module is used for displaying the measured capacitance value in real time; and the upper computer module is connected with the main controller to realize remote monitoring and storage of data. The application improves the measurement precision of the pico-farad capacitance by improving the measurement technology.
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