Low-voltage electric energy metering device utilizing optical fiber to transmit signal
An electric energy metering device and optical fiber transmission technology, which is applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve problems such as restricting the development of electric energy metering devices, cumbersome wiring, and large limitations, so as to simplify the metering device scheme and improve metering accuracy , The effect of preventing electricity theft
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[0043]A low-voltage electric energy metering device using optical fiber transmission signals, including a three-phase electric energy collection device 1, the three-phase electric energy collection device is connected to a host computer 2 for displaying electric energy parameters; the three-phase electric energy collection device includes three-phase voltage, The metering chip acquisition module 3 for current collection, the metering chip acquisition module performs AD conversion and performs calculations to obtain voltage, current, power factor, active / reactive power signals and store them in the data storage module 4, which is paired by the MCU microcontroller 5 The data is selected and output, and transmitted to the optical transmitting module 7 (photoelectric conversion module) through the SPI bus and the communication module 6. The optical transmitting module converts the electrical pulse signal into an optical signal, and the optical signal is transmitted to the optical re...
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