醫(yī)用泄漏電流分析儀校準(zhǔn)裝置研究

打開文本圖片集

【摘要】為了解決醫(yī)用漏電分析儀電流示值誤差參數(shù)的溯源問題，研制一種醫(yī)用漏電分析儀校準(zhǔn)裝置。本文介紹了該校準(zhǔn)裝置的研究方案和硬件實(shí)現(xiàn)，接著通過一系列實(shí)驗(yàn)驗(yàn)證了該校準(zhǔn)裝置的性能，最終確定醫(yī)用漏電分析儀電流示值誤差參數(shù)溯源方法。

【關(guān)鍵詞】醫(yī)用漏電分析儀；渥爾曼電路；Howland電流泵

【DOI編碼】10.3969/j.issn.1674-4977.2024.01.070

Research on Calibration Methods for Medical Leakage Current Tester

SHANG Shuangshuang

（Liaoning Institute of Measurement， Shenyang 110004， China）

Abstract： To solve the traceability issue of the current indication error parameters of the medical leakage current tester， a calibration device for the medical leakage current tester has been developed. This article introduces the research plan and hardware implementation of the calibration device. Then， the performance of the calibration device is verified through a series of experiments， and finally， the traceability method for the current indication error parameters of the medical leakage current tester is determined.

Keywords： medical leakage current tester； Wollmann circuit； Howland current pump

1概述

我國早在2007年就已出臺(tái)泄漏電流分析儀或類似設(shè)備的檢定規(guī)程JJG 843—2007《泄漏電流測試儀》，但專用的檢定裝置鮮有報(bào)道。（剩余6275字）