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      1. C.P: Mr. Wu
        F T: 0512-66956915
        FDM: 0512-66930668-9602
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        EMAIL: wuxiaomin@szyongjie-motor.com

        The main structure of the vacuum cleaner motor

        Author:yongjie Comefrom: Date:2017-4-21 15:51:17 Hits:25

        Core Tip: Vacuum cleaner using motor to drive the fan high-speed rotation, in its internal negative pressure to absorb dust, garbage. Vacuum cleaner can be divided into vertical, horizontal, rod type, backpack type. Strong tank, etc., but the basic structure and working principle of little difference, the main requirements of the vacuum cleaner motor is high speed, the general household

        Vacuum cleaner using the motor to drive the fan at high speed rotation, in its internal negative pressure to absorb dust, garbage. Vacuum cleaner can be divided into vertical, horizontal, rod type, backpack type. Strong tank, etc., but the basic structure and working principle of little difference, the main requirements of the vacuum cleaner motor is high speed, the general household vacuum cleaner motor speed of 19000 -23000 r / min. In addition to a small number of miniature vacuum cleaner with DC permanent magnet motor, the general use of single-phase series motor. Vacuum cleaner motor input power of 100 ~ 1500 W, the efficiency of 30% to 75%.

           Motors and fans are the core components of the vacuum cleaner, they are assembled together, the shaft of the motor is the shaft of the fan. The fan is centrifugal, working in the motor driven counterclockwise high-speed rotation, the formation of negative pressure in the center of the impeller, so that the air in the dust filter was sucked into the fan. The structure of the vacuum cleaner motor is shown in Figure 6-17 and Figure 6-18. The motor consists of shell, stator, armature, brush, bearing and so on. The motor is an open structure and the stator is a double salient. In order to achieve ventilation cooling, the stator punch on the core line with ventilation holes, the four sides are also washed with a part of the hole, so that after the formation of air into the chassis channel. The armature is fitted with a balancing ring for correcting the balancing. As the vacuum cleaner motor speed is very high, brush wear faster, so the brush longer.

        Click to open the original image

           Figure 6-19 shows the vacuum cleaner motor armature core has 12 slots, each slot has two coils, the commutator has 24 segments. The armature winding is wound around the series and the two kinds of winding, vacuum cleaner series of the general use of winding motor. Armature core has a single-effect slot and two-slot two, so the winding has a single groove stacked and double-slot overlap, in addition to different slot, the winding process is exactly the same.

           Brush structure shown in Figure 6-20, by the brush grip, carbon brush (ie brush), soft spring and other components. Brush grip installed in the motor shell, the carbon brush and soft spring loaded in the brush grip, the carbon brush in the role of the soft spring pressure on the commutator. Soft spring is particularly long, when the carbon brush bar grinding short, its elasticity remained essentially unchanged. Carbon brush with brush grip between the 0.15 ~ 0.2 mm gap, so that the carbon brush can be free to stretch.

        ICP: 蘇ICP備14038574號-1 Technical support:RBWL

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