Water pump motor control device

• Main Author: ZHANG AHUA
• Format: Patent
• Language: Chinese; English
• Published: 09.09.2009
• Subjects: BLASTING; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

A water pump motor control device comprises a motor arranged inside a water pump casing and provided with a motor shaft. The water pump motor control device is characterized in that: the device further comprises a magnet, a Hall element and an electronic switch arranged inside the casing, the electronic switch is internally provided with a control circuit for controlling starting and stopping of the motor, the control circuit comprises a control input end for receiving motor speed signals and a control output end for controlling starting and stopping of the motor, wherein, a signal output end of the Hall element is electrically connected with the control input end of the control circuit, a power input end of the motor is electrically connected with the control output end of the control circuit. Compared with the prior art, the water pump motor control device controls starting and stopping of the motor by means of detecting the motor speed, the motor can be stopped after the water pump pumps water to the lowes