The water pump of the electric sprayer is generally equipped with a diaphragm pump, and the diaphragm pump is divided into an intelligent diaphragm pump and a return diaphragm pump. Because the working structure of the two is different, the method of use is also different. The main difference between a smart water pump and a return water pump is its control method for working pressure.
The intelligent pump adds an electronic pressure switch to the pump head. When the pressure of the water outlet of the pump reaches the preset value, the electronic pressure switch will be triggered to turn off the working current of the motor, so as to achieve the purpose of protection and power saving. Therefore, an electric sprayer equipped with a smart water pump must be equipped with an electronic speed control switch and a handle with a switch function. The installation of the electronic speed control switch can solve the problem of the motor speed. When using the small nozzle with small eyes, it can adjust the appropriate water flow to achieve the most optimized configuration; using the handle with the switch function can realize some special functions, which can realize the point punching . Therefore, when using an electric sprayer equipped with a smart water pump, the most important point is that the electronic speed control switch must be used to adjust the flow rate of the nozzle during use, so as to adjust the flow rate that matches the most, otherwise there will be abnormal noises. That is, the noise caused by the frequent switching of the motor, which has a great impact on the service life of the pump.
In the control of the working pressure of the return pump, a pressure relief control valve is set on the pump head, that is, there is a return hole in the water outlet chamber. When the pressure of the water outlet chamber reaches a certain level, the pressure relief control valve will be triggered. The excess liquid medicine is returned to the water inlet chamber to relieve pressure, so as to achieve the purpose of protecting the water pump. It can be seen that the motor of the return pump will always work when you do not turn off the power supply, so the return pump must be adjusted to a suitable flow rate when using the fine-eye nozzle, otherwise a large amount of kinetic energy will be wasted. When using an electric sprayer equipped with a return water pump, use a handle without a switch function. When the operation is stopped, directly turn off the power switch, which can maximize the use of the power supply.
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