A stirring device and a control method for the stirring device
A technology of equipment and stirring elements, applied in the field of control, can solve the problems such as manual adjustment of switches, cumbersome operation, poor user experience, etc., to achieve the effects of improving reliability and timeliness, ensuring comfort, and improving accuracy
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Embodiment 1
[0043] figure 1 It is a schematic structural diagram of a stirring device provided in Embodiment 1 of the present invention. The stirring device can be, for example, a juice extractor, a raw juice machine, a soybean milk machine, a flour grinder, or a cooking machine with multiple functions. The stirring device includes: a motor 10, a motor drive circuit 11, a main chip 12 and a stirring element 13, and also includes: a torque detection unit 14, wherein:
[0044] The torque detection unit 14 is connected to the stirring element 13 and / or the transmission mechanism of the motor 10 for detecting the first torque of the stirring element 13 and / or the second torque of the transmission mechanism and feeding it back to the main chip 12 .
[0045] The stirring element can be, for example, a feed screw for comminuting and grinding the food material. The transmission mechanism can be, for example, a motor gearbox. The first torque can be the torque that the feeding screw bears when ...
Embodiment 2
[0055] figure 2 It is a schematic structural diagram of a stirring device provided in Embodiment 2 of the present invention. On the basis of the above embodiments, the stirring device adds a current detection circuit, correspondingly, the device includes: a motor 20, a motor drive circuit 21, a main chip 22, a stirring element 23, a torque detection unit 24, and a current detection circuit 25 .
[0056] A current detection circuit 25, configured to detect the current value of the motor 20, and feed back the current value to the main chip 22;
[0057] The main chip 22 is specifically used to determine the working state of the stirring element according to the first torque and / or the second torque, determine the overload state of the motor 20 according to the current value, and generate the first Rotation direction switching command.
[0058] The current detection circuit can be, for example, a circuit composed of a current comparator and a sampling resistor. By setting the ...
Embodiment 3
[0069] image 3 It is a flow chart of a control method for stirring equipment provided in Embodiment 3 of the present invention. The technical solution of this embodiment can be applied to the situation that the stirring equipment is blocked or stuck. The stirring equipment can be, for example, a juice extractor, a raw juice machine, a soybean milk machine, a flour mill, or a cooking machine with multiple functions. Stirring equipment includes: motor, motor drive circuit, main chip and stirring element. The method specifically includes the following operations:
[0070] S310. Detect the first torque of the stirring element and / or the second torque of the transmission mechanism of the motor through the torque detection unit, and feed back to the main chip.
[0071] S320. Using the main chip, determine the working state of the stirring element according to the first torsion force and / or the second torsion force, and generate a first rotation direction switching instruction acc...
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