Control circuit applied to pump device and water and air pumping control method
A control circuit and pump device technology, applied in the direction of pump control, application, non-variable pumps, etc., can solve the troubles of production and use, the inability to use drain filters, and the inability of centrifugal air pumps to pump and transport water, etc. question
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Embodiment 1
[0022] figure 1 It is a schematic structural diagram of a control circuit applied to a pump device provided by Embodiment 1 of the present invention, as shown in figure 1 As shown, in the control circuit applied to the pump device, the pump device is used for pumping water and air, and the control circuit includes: a detection feedback circuit 110, a signal processing circuit 120 and a power drive circuit 130;
[0023] The detection feedback circuit 110 is connected to the signal processing circuit 120, and is used to obtain the working state information of the pump device, and feed back the working state information to the signal processing circuit 120;
[0024] The signal processing circuit 120 is connected to the power driving circuit 130, and is used to adjust the driving signal sent to the power driving circuit in real time according to the working state information;
[0025] The power drive circuit 130 is connected to the detection feedback circuit 110, and is used to d...
Embodiment 2
[0059] Figure 5 It is a flow chart of a water pumping control method applied to a pump device provided in Embodiment 2 of the present invention, as shown in Figure 5 As shown, the control method includes:
[0060] S210. Obtain current working state information of the pump device.
[0061] Wherein, the working status information includes: the current rotational speed of the motor in the pump device, the current working current, the current working power, the pressure detected in the pump device, and the like. By detecting the time interval of the U, V or W phase feedback signal, the current speed of the motor can be calculated; the current detection circuit is used to detect the size of the current working current of the motor; according to the size and voltage of the current working current, it can be obtained The current working power can be obtained; the current detected pressure can be obtained according to the pressure gauge installed in the pump device. In the pumpin...
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