一种校准交流信号传感器的装置及方法

By integrating a radio frequency conduction module, a signal processing module, and a shielded grounding module, and combining frequency adaptation and nonlinear calibration, the problems of high cost, weak anti-interference, and power limitation of AC signal sensors are solved, achieving low-cost and high-precision calibration results, which are suitable for semiconductor equipment and power systems.

CN120972070BActive Publication Date: 2026-07-17SHENGJISHENG SEMICON TECH (BEIJING) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENGJISHENG SEMICON TECH (BEIJING) CO LTD
Filing Date
2025-10-13
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the existing technology, the external calibration components of AC signal sensors are costly, have weak anti-interference capabilities, cannot withstand radio frequency power higher than 15kW, and have high system complexity, which leads to increased R&D and design costs and measurement results that are easily affected by electromagnetic interference.

Method used

By combining a radio frequency conduction module, a signal processing module, and a shielding grounding module, and by establishing a standard impedance channel, calculating the actual current and voltage values, constructing an electromagnetic shielding environment, and combining frequency adaptation and nonlinear calibration modules, multi-band adaptation and parameter fitting are achieved.

Benefits of technology

It reduces R&D costs, improves anti-interference capabilities, breaks through power limitations, supports high-power measurements, and improves measurement accuracy and calibration efficiency, making it suitable for semiconductor equipment and power systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开一种校准交流信号传感器的装置及方法,其属于半导体设备检测技术领域,所述校准交流信号传感器的装置包括射频传导模块、信号处理模块和屏蔽接地模块,射频传导模块通过导电柱和对称射频接口建立50Ω阻抗的射频能量传输通道;信号处理模块包括单片机单元和通讯接口,其利用功率值公式计算真实电流电压值,实现校准参数拟合;屏蔽接地模块通过铝合金外壳和弹性导电夹具构建电磁屏蔽环境。本发明具有成本低,无需外接校准件、抗干扰强、支持高功率及全频段(50Hz‑30MHz)应用等优点,适用于半导体设备和电力装置,提升校准精度和效率。
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