Research on Key Technology of Bluetooth Miniature Circuit Breaker for Electric Energy Meter

Aiming at the demand of the new generation electric energy meter to control electricity through Bluetooth, the existing research and application based on Bluetooth technology are comprehensively analyzed. The overall design scheme of the Bluetooth smart miniature circuit breaker is proposed, and the main functions of each functional module are specified. In order to realize the accurate pairing between the Bluetooth electric energy meter and the associated Bluetooth circuit breaker, an accurate pairing method based on current fingerprint technology is proposed, the current fingerprint characteristics are given, and the current fingerprint module and characteristic code encoding method are designed. The automatic pairing principle and process of the Bluetooth miniature circuit breaker for the electric energy meter are designed, and the accurate pairing between the Bluetooth electric energy meter and the Bluetooth circuit breaker is realized. The technology can effectively improve the pairing success rate of Bluetooth miniature circuit breakers and prevent false tripping caused by paring errors.