直流电机 在吸尘器中的应用吧，请看下面的具体讲述： We have also talked a lot about the related knowledge of DC motors. Then we will explain the application of DC motors in vacuum cleaners for you , please see the following specific details:
Vacuum cleaners are common household appliances. Vacuum cleaners can be divided into vertical, horizontal and portable according to their structure. The working principle of the vacuum cleaner is to use a DC motor to drive the blades to rotate at a high speed, creating a negative air pressure in the sealed housing to suck dust.
The requirements for DC motors are high speed, large torque and small size. Household vacuum cleaner motors use single-phase series-excited motors. Generally speaking, the input power is 00 ~ 1200W, and the speed is 10000 ~ 30000r / min. This series-excited motor has harder mechanical characteristics than general-purpose single-phase series-excited motors, which makes When the situation changes, that is, when the motor load changes in a wide range, the motor speed does not change much, that is, it can maintain the vacuum cleaner with good dust collection performance. The motors of portable small vacuum cleaners and car vacuum cleaners use permanent magnet DC motors. Portable small vacuum cleaners are powered by dry batteries and have a rated voltage of 3V or 6V. Automotive vacuum cleaners are mainly powered by on-board batteries or generators. The rated voltage is 12V. And 24V. This is the main content of this issue, and everyone can understand it in time. At the same time, look at how to control the accuracy of the fixed length of the stepping planetary reducer and increase knowledge.
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