Abstract: A quasi-real-time data collection system for a competitive power market includes a distributed data collection unit, a centralized data collection unit, and a main collection station, where the distributed data collection unit is connected to an intelligent watt-hour meter by using an internal downlink communication module of the distributed data collection unit, and configures data item collection parameters and task execution parameters by using an internal collection task and scheme configuration module of the distributed data collection unit; the centralized data collection unit is connected to the main collection station by using an internal file conversion and uplink communication module of the centralized data collection unit; and the centralized data collection unit is connected to multiple distributed data collection units by using a local high speed power line carrier communication (HPLC) network.

Abstract: A quasi-real-time data collection system for a competitive power market includes a distributed data collection unit, a centralized data collection unit, and a main collection station, where the distributed data collection unit is connected to an intelligent watt-hour meter by using an internal downlink communication module of the distributed data collection unit, and configures data item collection parameters and task execution parameters by using an internal collection task and scheme configuration module of the distributed data collection unit; the centralized data collection unit is connected to the main collection station by using an internal file conversion and uplink communication module of the centralized data collection unit; and the centralized data collection unit is connected to multiple distributed data collection units by using a local high speed power line carrier communication (HPLC) network.

Abstract: A sunken FPC (Flexible Printed Circuit) connector includes an FPC connector and a circuit board, which are fixedly connected to each other, wherein the FPC connector comprises an insulating plastic base, an outer shell, wiring terminals and an FFC; the outer shell comprises a top plate, a bottom plate, and a connecting plate; an installation notch adapted to the shape of the FPC connector is provided on the circuit board; and a left bending fixed arm and a right bending fixed arm respectively extend upward from the left and right ends of the bottom plate. When being put in place relative to the installation notch, the FPC connector is welded and fixed with the circuit board by means of the left bending fixed arm and the right bending fixed arm, respectively.