Wireless remote meter reading fee-control electric energy meter
A wireless centralized reading and electric energy meter technology, which is applied in the direction of measuring electric variables, signal transmission systems, measuring devices, etc., can solve the problems of limited meter reading distance, additional wiring, and difficult implementation, and achieves convenient meter reading, simple networking, and fully functional effects
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[0014] The present invention will be described in further detail below in conjunction with accompanying drawing:
[0015] The invention discloses a fully sealed design three-phase wireless micro-power centralized reading remote transmission cost control electric energy meter, the electric energy meter mainly includes a special high-precision electric energy metering chip, a high-speed 32-bit high-performance embedded microprocessor based on the ARM7 core , special system clock, power management module, infrared communication interface, RS485 communication interface, wireless module communication interface, GPRS module, LCD display, large-capacity data storage system, tripping and closing relay and other parts of the circuit, the communication module on the energy meter is online The status LED indicator indicates the connection status between the energy meter and the communication network, and there are also remote data receiving and sending LED indicators to indicate the energ...
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