Powerful models of Powerbot series from Samsung company were first presented at the IFA exhibition in 2014. Of course, powerful robots with an unusual design attracted everyone’s attention. In 2015, at the same exhibition, Samsung introduced several Powerbot models with support of control via the mobile app. VR20H9050UW is the continuation of this series.
Pros
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- High suction power
- High quality cleaning the carpets
- Simple control
- Optimum cleaning trajectory
- Improved Virtual guard
- Cleaning schedule
- Renewal of cleaning after charging from the breakpoint
- luminous pointer
- Disabling the sound alerts
- Stylish design
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Cons
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- High profile significantly limits cleaning under the low furniture
- Sometimes stuck due to limited maneuverability
- Absence of side brushes reduces the cleaning quality in the corners and next to furniture
- Very high price.
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The model design is radically different from the traditional round form of robotic vacuum cleaners.
It’s divided into a front part that contains a brush and sensors, and a rear part with a dust collector, motor, etc. The robot height reaches 5.3 inches. For comparison, the height of modern models rarely exceeds 3.5 inches. Of course, this aspect significantly limits the possibilities of cleaning under the low furniture.
The front part is tapered towards the bottom to simplify overcoming obstacles.
IR sensors and indicators are located on the top panel under a tinted transparent plastic. The control panel in the rear part contains three touch buttons, a multi-segment LED indicator and icons of modes with backlight.
The fall protection uses three infrared height sensors.
The black plastic docking station is very massive.
The compact remote is very simple and convenient.
It’s made of black plastic with a mirror-smooth surface.
Unfortunately, it uses the IR channel and must be within sight of the robot.
The kinematic scheme uses the traditional arrangement of the driving wheels on the same circumference. This provides maximum maneuverability due to the possibility of turning on the spot. But the horseshoe shape slightly reduces it. Therefore, the robot is forced before an obstacle to move back and then to go around its. It also maneuvers poorly in narrow places. Unfortunately, the movement back is impossible due to the lack of the rear height sensors.
The large diameter of the driving wheels (4.13 inches) and their vertical displacement on the spring-loaded suspension (up to 1 in) ensure a confident overcoming the obstacles up to 8 in.
This model does not use side brushes. Main brush raises the garbage from the floor. Then, it’s sucked into the cyclone chamber by airflow. Special grooves in the lower front part serve as an air ducts for sucking the shallow garbage from the corners. Cleaning the corners is provided by high suction power. Unfortunately, the quality of such cleaning is not very high.
Garbage is separated from air by cyclone way.
The sucked air enters into cyclone chamber (1) and strongly swirls along the ascending spiral (2). Centrifugal force pushes debris to the chamber walls and directs it to the dust collector. Then the air enters into central part of the chamber (3) and passes through a filter in front of the engine that detains a fine light dust. Transparent dust collector provides a visual control of its filling.
Moisture can damage the robot circuit board. Therefore, the use of the model on a wet surface is extremely undesirable.
This model supports the following cleaning modes:
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- Auto – one-time cleaning the all available space;
- Spot – intensive cleaning a certain place;
- Max – cleaning to the full discharge of the battery;
- Manual – motion control with the remote control;
- Silence – reduction of power suction and noise;
- Dust Sensor – more thorough cleaning with an activated pollution sensor.
- Virtual guard provides spatial planning by infrared rays.
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The maximum noise level in Dust Sensor mode reaches 70 dB. It decreases to 60 dB in Silence mode.
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