In recent years, with the rapid development of computer technology and science, intelligent robot technology has gradually become a hot spot in the field of modern robot research. Among them, service robots have opened up new areas of robotic applications.
With the improvement of people's living standards, the healthy and comfortable home environment is getting more and more attention. Buying a house and decorating has become a hot topic for people to talk about after a meal, but after the renovation, the dirty and tired sanitary cleaning work has become another big problem that plagues housewives. For many families, cleaning robots have become a must-have for clean homes.
Automatically clean the floor of the room, integrating mechanics, electronics, technology, computer technology, control technology, robotics, artificial intelligence and many other disciplines. Automatic sweeping is the pioneer of the practical development of intelligent mobile robots.
Sweeping robot, also known as automatic sweeping machine, intelligent vacuum cleaner, robot vacuum cleaner, etc., is a kind of smart household appliances, which can automatically complete the floor cleaning work in the room with certain artificial intelligence. Generally, the brush cleaning and vacuum method are adopted, and the ground debris is first absorbed into its own garbage storage box, thereby completing the function of ground cleaning. The sweeping robot of this design adopts the brush sweeping and vacuuming method, and the body is a wireless machine. The disc type is mainly used, and the rechargeable battery is used. The operation mode uses the remote controller or presses the corresponding button on the operation panel of the machine. The sweeping robot designed this time can set the time to make an appointment to clean and charge itself. An ultrasonic breaking distance measuring sensor is arranged in front to detect obstacles. If it hits a wall or other obstacles, it will turn on its own and start a rectangular route from the indoor edge. There is a planned cleaning area.
The working principle and characteristics of the sweeping robotThe sweeping robot is controlled by a microcomputer, which can realize automatic navigation and clean and vacuum the ground. The collision and bypass of the obstacles in front can help the corners to be cleaned, and the design of two super-large side sweepers. The corners and the ground can be swept more thoroughly and cleanly. The relative rotation of the two sweeping wheels makes the garbage not slip away from the bottom of the body, and the cleaning is more perfect. At the same time, the dual function of cleaning the dust is combined to make the dust sweeped. More regular and smooth entry into the garbage collection box, and by installing a photoelectric sensor on the front wheel and the cleaning wheel power box, the robot can have the function of automatically preventing the body from being stuck and the wheel being stuck, when stuck It is automatically retracted or shut down, and an infrared reflection detector is installed on the collision head to automatically determine whether there is a cliff in front and automatically bypass.
Features:
1. Sweeping the land, saving time, improving work efficiency, and energy efficiency: the entire cleaning process does not require human control, reducing people's operational burden, and people can use the time saved to do other meaningful things.
2, low noise: less than 50 decibels, the process of cleaning the room from the noise.
3, clean air: built-in activated carbon, adsorption of harmful substances in the air.
4, light and compact: easy to clean the dead corners that ordinary vacuum cleaners can not clean.
Key technology of sweeping robotThe sweeping robot system usually consists of four parts: a moving mechanism, a sensing system, a control system, and a vacuum system.
The moving mechanism is the main body of the sweeping robot, which determines the movement space of the robot, and generally adopts a wheel mechanism.
Perceptual systems generally use ultrasonic range finder, contact and proximity sensors, infrared sensors, and CCD cameras.
With the rapid development of computer technology, artificial intelligence technology, sensing technology and mobile robot technology in recent years, the research and development of the sweeping robot control system has a solid foundation and good development prospects. The control and working environment of the sweeping robot are often uncertain or variable, so safety, reliability, and cleanliness must be considered. It is especially important to use sensors to detect the environment, analyze signals, and understand the environment through appropriate modeling methods. In recent years, research on intelligent robots shows that for autonomous mobile robots working in complex and unstructured environments, it is necessary to further improve their automation, mainly relying on pattern recognition and obstacle recognition, real-time data transmission and appropriate artificial intelligence methods. Further develop a global model to obtain global information for the robot.
At present, the key technologies that have developed rapidly and have a great impact on the development of sweeping robots are: sensing technology, intelligent control technology, path planning technology, sweeping technology, and power supply technology.
Mechanical structure of the sweeping robotThe sweeping robot mainly includes the following parts:
1. A walking drive wheel and a drive motor. This part mainly guarantees that the robot can move in the plane. An infrared switch is mounted on the front and side of the housing as a collision detecting sensor. The three infrared switches on the bottom side act as step detection sensors to prevent drops. The drive wheel is equipped with a photoelectric encoder disk, which can detect and control the wheel speed to achieve positioning and path planning. Ultrasonic sensors have also been expanded for the need for precise positioning;
2. Cleaning mechanism. Use the motor to drive the two cleaning brushes so that the left cleaning brush rotates clockwise and the right side rotates counterclockwise, so that dust can be concentrated at the suction opening when cleaning dust to prepare for the work of the sweeping mechanism;
3. Sweeping mechanism. Create powerful suction to draw dust into the dust storage bin;
4, rubbing the body. After cleaning and sweeping the floor, use a cleaning cloth installed under the casing to wipe off the fine dust remaining on the ground to ensure the quality of the cleaning work.
Sweeping robot workflow
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