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Range hood variable frequency fan
A household range hood primarily consists of a fan system, control system, oil filtration device, housing, and suspension device. The fan system is the core component of a range hood and typically consists of a motor and an impeller. The power of the range hood is determined by the fan system. The control system, with its microcircuit board, controls the power and switch of the range hood, making it the most technologically advanced component. The oil filtration device mainly refers to the oil mesh and oil filtering chamber. The housing and suspension device are usually made of stainless steel, a material known for its high temperature resistance and corrosion resistance.
- MM32 MCU Model:
MM32SPIN0230 Series
- MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 96MHz
- 32KB Flash, 4KB SRAM
- One 12-bit analog-to-digital converter ADC, 11 channels supported and sampling rate 1Msps
- Four general-purpose timers and one PWM advanced timers for motor control
- Supports UART/SPI communication
- Embed two operation amplifiers and two comparators for motor applications
- Features:
- Single/dual-resistor sensorless FOC control for low cost, low noise, and high efficiency
- Four control modes: constant torque, constant speed, constant power, and constant current
- Forward and reverse wind startup, ensuring fast and reliable startup
- Multiple protections: stall, overvoltage, undervoltage, overcurrent, phase loss, overtemperature, power and speed limit
- Simple debugging with quick motor matching based on motor parameters
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