US 12,463,573 B2
Water pump capable of automatically adjusting rotating speeds at regular intervals
Bo Zhuang, Ningbo (CN)
Filed by Bo Zhuang, Ningbo (CN)
Filed on Jan. 29, 2024, as Appl. No. 18/424,918.
Prior Publication US 2025/0247032 A1, Jul. 31, 2025
Int. Cl. H02P 23/20 (2016.01)
CPC H02P 23/20 (2016.02) 20 Claims
OG exemplary drawing
 
1. An electronic device for controlling a water pump, wherein said electronic device comprises a speed regulating module, a control module, a storage module and a communication module; and
wherein, said speed regulating module comprises a relay group, a starting capacitor group and a coil group; and
wherein, said relay group comprises three relays, three relays are a first relay, a second relay and a third relay respectively, wherein three said relays all comprise a first end and a second end; and
wherein, said starting capacitor group comprises three capacitors, three capacitors are a first starting capacitor, a second starting capacitor and a third starting capacitor respectively; and
wherein, said coil group comprises four coils, four coils are a first main coil, a second main coil, a first secondary coil and a second secondary coil, wherein four said coils all have a first end and a second end; and
wherein, two ends of said electronic device are respectively connected with a neutral line and a live line, the first ends of four said coil and three said relays are the ends close to the live line, the second ends of four said coil and three said relays are the ends close to the neutral line, and the second ends of four said coil are electrically connected with the neutral line; and
wherein, the first end of said first relay is connected with a live wire, the second end is electrically connected with the first end of said first main coil, the first end of said second relay is electrically connected with the second end of said first secondary coil through said second starting capacitor, the second end of said second relay is electrically connected with the first end of said first secondary coil, the first end of said third relay is electrically connected with the live line, and the second end of said third relay is electrically connected with the first end of said second main coil, and is electrically connected with the first end of said second secondary coil through the third starting capacitor, the first end of said first main coil and the first end of said first secondary coil are electrically connected through the first starting capacitor.