Cleaner robot pumping, driving and cleaning method using water jet theory
A technology for cleaning robots and water jets, which is applied in the directions of cleaning methods, cleaning methods and utensils, chemical instruments and methods using liquids, etc. Achieving the effect of simple structure and reduced dependence
Inactive Publication Date: 2009-07-29
ZHEJIANG UNIV
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Problems solved by technology
At present, the cleaning of the glass on the exterior wall of the building is still mainly done manually. The high-altitude operation of the cleaners is not only labor-intensive, but also has certain dangers. In recent years, there are often reports of accidents involving cleaners falling from buildings. Develop safe and efficient cleaning robots to replace manual operations
[0003] At present, there are several vacuum adsorption cleaning robots that can realize the functions of automatic crawling, water supply and window cleaning, but almost all of them have a common problem: water and electricity shunt control
The overall structure of the robot is complex, which increases the ancillary facilities and manufacturing costs of the cleaning robot
Method used
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[0015] The present invention will be further described below in conjunction with drawings and embodiments.
[0016] Such as figure 2 As shown, the water jet air pumping element 2 is composed of a nozzle 9 and a Venturi tube 11. A stream of water flows into the water jet element 2 from the water inlet 8 of the water jet pumping element. Through the small nozzle 9, the flow velocity is increased and becomes a high-speed water jet. The high-speed water jet passes through the Venturi tube constriction 10. Negative pressure is produced at 10 places of inner pipe shrinkage, and utilizes this negative pressure to be the vacuum sucker 6 pumping of cleaning robot (as figure 1 shown), realize the adsorption of the cleaning robot on the wall to be cleaned. After completing the air pumping function, the water flows out from the water outlet 12 of the water jet air pumping element.
[0017] Such as figure 2 As shown, when the water flow passes through the water jet pumping element 2,...
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The invention discloses a method for achieving air suction, drive and cleaning of a cleaning robot by using a water flow jet theory. On the basis of the hydromechanical characteristics of inlet increased pressure and necking subpressure generated when water flow passes through a water flow jet and air suction element, the necking subpressure is utilized as the suction air of a vacuum suction disc of the cleaning robot so as to achieve the adsorption on the cleaned wall surface of the cleaning robot. High pressure at an inlet of the water flow jet and air suction element is introduced into a hydraulic driving mechanism so as to provide power for the walking on the cleaned wall surface of the cleaning robot. The water flow which flows through the water flow jet and air suction element and is used for sucking air and the water flow which is introduced into the hydraulic driving mechanism flows into a cleaning mechanism together after finishing respective functions so as to provide water for wall surface cleaning. The water flow is used as a unique external power source so as to achieve three functions of sucking the air, driving and cleaning of the cleaning robot. Compared with background technology, the structure is more simple and stable, and the manufacturing cost of the cleaning robot and the dependence on auxiliary facilities are reduced.
Description
technical field [0001] The invention relates to a high-wall cleaning robot, in particular to a method for realizing pumping, driving and cleaning of a cleaning robot based on the principle of water jets. Background technique [0002] In modern cities, there are many high-rise buildings. More and more buildings use large glass windows to improve light transmission or decorate exterior walls. Therefore, the cleanliness of glass has a great impact on the light transmission function of windows and the appearance of the city. It must be checked regularly. Glass windows are cleaned. At present, the cleaning of the glass on the exterior wall of the building is still mainly done manually. The high-altitude operation of the cleaners is not only labor-intensive, but also has certain dangers. In recent years, there are often reports of accidents involving cleaners falling from buildings. Develop safe and efficient cleaning robots to replace manual operations. [0003] At present, sev...
Claims
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IPC IPC(8): A47L11/38B08B3/02
Inventor 邹俊刘季霖童章谦付婧媛林显克顾大强
Owner ZHEJIANG UNIV