Investigation device of visiting one house after another before single -phase resident's electric energy meter installation

• Main Authors: Xu Xiaoliang, Zhu Yun, Gu Danhong, Fu Xiaoping, Lu Yan, Chang Wei, Zhou Min, Zhou Sun
• Format: Patent
• Language: Chinese; English
• Published: 24.08.2016
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The utility model provides an investigation device of visiting one house after another before single -phase resident's electric energy meter installation, it mainly constitutes its characterized in that by external power source module and photoelectricity response module two parts the external power source module constitute by lithium cell group and double -pole switch, wherein lithium cell group include by input meet the in proper order charging circuit that constitutes and by the output discharge circuit that control circuit, battery protection circuit and lithium cell meet in proper order and constitute that steps up of control circuit, battery protection circuit and lithium cell that charges, the double -pole switch divide about two sets of switching ports, wherein the input control circuit that charges is connected to a set of switching port, the output control circuit that steps up is connected to another group's switching port, photoelectricity response module constitute by full -bridge rectifier circu