一种交流电方向测试电路
By designing an AC direction testing circuit and using a data acquisition and judgment circuit to generate a voltage signal, the problem that AC transformers cannot detect AC direction in electronic circuits in existing technologies is solved, achieving fast and accurate direction determination and reducing delay and cost.
CN114609430BActive Publication Date: 2026-07-17DR OCTOPUS INTELLIGENT TECH (SHANGHAI) CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DR OCTOPUS INTELLIGENT TECH (SHANGHAI) CO LTD
- Filing Date
- 2022-03-25
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In the existing technology, AC transformers are not suitable for AC direction testing in electronic circuits, and there are problems with errors and delays, especially when the AC frequency is high.
Method used
An AC direction testing circuit was designed, including a data acquisition circuit and a judgment circuit. The AC direction is identified by generating a voltage signal with varying magnitude, and the direction is determined quickly and accurately using a circuit composed of a comparator, capacitor, and resistor.
Benefits of technology
This invention enables the detection of the AC current direction of copper wires on integrated circuit boards, reducing time delay, improving detection accuracy, and featuring simple circuit components and low cost.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN114609430B_ABST
Abstract
本发明公开了一种交流电方向测试电路，包括：采集电路和判断电路，采集电路接收外部输入的待测交流电，基于交流电的方向生成大小变化的第一电压信号和第二电压信号，当交流电方向为第一方向时，第一电压信号大于第二电压信号，当交流电方向为第二方向时，第二电压信号大于第一电压信号；判断电路接收采集电路输出的第一电压信号和第二电压信号，根据第一电压信号和第二电压信号输出判断待测交流电的方向的第三电压信号。本发明实施例提供的交流电方向测试电路，通过设置采集电路和判断电路，采集电路能够连接在交流回路中进行待测交流电方向的检测，解决了现有技术中对于集成电路板无法测试交流电方向的技术问题。
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