A double roller brush means that a sweeping robot has two roller brushes at the same time to improve the cleaning effect. Note that here is the roller brush, not the side brush. These two roller brushes generally have a brush and a rubber brush to perform different tasks. Then, if the sweeping robot has a double roller brush, is it more effective?
The main function of the brush is to sweep dust and garbage. Its bristles are generally S-shaped or U-shaped. When working, it has more contact with the ground. The bristles will bend at a certain angle, and the cleaning force is relatively effective.
The rubber brush is located behind the brush and rolls relative to the brush. The bristles of the rubber brush are soft rubber and are in a straight line. When the rubber brush works, there are also less ground contact surfaces. Basically, the brush head has just hit the ground. It can effectively block the ground rubbing brush when the brush rolls, and let the dust directly enter the sweeper. At the same time, it can clean the ground brushed to ensure that the floor is clean and bright.
Therefore, a cleaning robot with a double roller brush will have a better cleaning effect. For a single-roller brush or a sweeper that does not have a roller brush at the root, I believe that unless it has a very large suction force, it will be relatively insufficient in terms of cleaning ability.
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