Design and Implementation of a No-load Current Test System for Electronic Water Pump

For the electronic water pump, the no-load current characteristic is one of the important indicators to measure the quality of the water pump. The start and stop status of the electronic water pump can be expressed by its no-load current characteristic. By testing the no-load current of the electronic water pump, the eligibility and reliability of the product can be judged. This paper describes the design and implementation of an electronic water pump no-load current test system, including the power module circuit design, the host computer and slave computer design. The power module uses pure hardware circuit. The slave computer mainly uses STM32 MCU as the main control chip to build the hardware-circuit. The host computer software is mainly built on the Qt platform, using Python as the development language, realizing the data transmission, storage of the lower computer and the pump code recognition, and transmits the data to the server based on the TCP/IP protocol. The system has efficient human-computer interaction, high degree of automation, fast test speed and high practicability.

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