Digital current sensor and current measuring method

• Main Authors: LI RUI, PENG YIZHAO
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The invention relates to a digital current sensor and a current measuring method, the current sensor comprises a shell, an alloy resistor and a control circuit, and a current bus copper bar of current to be measured is connected with the current sensor through the alloy resistor; the control circuit comprises a power supply module, a communication module and a main control unit MCU which is used for converting the measured voltages at the two ends of the alloy resistor into current signals. Compared with the prior art, the method has the advantage of high current measurement precision. 本发明涉及一种数字电流传感器及电流测量方法，该电流传感器包括外壳、合金电阻和控制电路，待测量电流的电流母线铜排通过合金电阻与电流传感器连接；所述控制电路包括电源模块、通讯模块、以及用于将测取到的合金电阻两端电压转化为电流信号的主控单元MCU。与现有技术相比，本发明具有电流测量精度高的优点。