Glass-Wiping Robot Air Venting for Rapid Suction Release
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Solution Overview
Problem
Existing glass-wiping robots face inefficiencies in removal from glass surfaces due to the time required for the suction cup to lose vacuum efficacy, impacting work efficiency.
Innovation Solution
An air-venting device is integrated into the glass-wiping robot, allowing the suction cup to communicate with the atmosphere through an air-venting valve and pipe system, enabling rapid pressure equilibrium and immediate removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the vacuum pump stops and the suction cup is allowed to naturally lose vacuum, then the glass-wiping robot can be removed from the glass surface, but the process takes a certain period of time which greatly affects work efficiency
Solution Approach 1:
The air-venting device is activated before the vacuum pump stops to pre-open the air-venting hole, allowing air to enter the suction cup and rapidly equalize the pressure. This preliminary action eliminates the waiting time for natural vacuum loss, enabling immediate removal of the robot from the glass surface and significantly improving work efficiency.
2Speed
If an air-venting device is added to rapidly equalize pressure, then the glass-wiping robot can be removed immediately, but the device complexity increases
Solution Approach 1:
The air-venting valve is designed to be automatically triggered by the positioning rotary shaft when the handle rotates to the horizontal position. The spring-loaded valve core automatically opens the air-venting hole when air pressure differential acts on it, and automatically closes when pressure equalizes. This self-service mechanism eliminates the need for complex control systems while achieving rapid pressure equalization.
3Device complexity
If the air-venting valve structure is simplified, then the device complexity is reduced, but the reliability of vacuum maintenance may be affected
Solution Approach 1:
The air-venting valve is segmented into distinct functional components: the valve body with air-venting hole, the spring-loaded valve core for automatic opening/closing, and the positioning rotary shaft with limiting mechanism. This segmentation allows each component to perform its specific function reliably while keeping the overall structure simple and easy to manufacture.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The air-venting device enhances the work efficiency of the glass-wiping robot by allowing rapid detachment from glass surfaces without waiting for the suction cup to naturally lose vacuum, improving operational speed.
Implementation Method 1
the glass-wiping robot moves under the driving of a walking mechanism provided on the machine body, as it is adsorbed on the surface of a glass to be cleaned after a suction cup provided on the machine body is vacuumized by a vacuum pump
Implementation Method 2
the air-venting valve opens an air-venting hole therein to allow the interior of the suction cup to be in communication with the atmosphere, thus an equilibrium between internal and external air pressures is achieved rapidly
Data Source
AI summary
A glass-wiping robot having an air-venting device (5), comprising a machine body (1). The machine body (1) has arranged thereon a suction cup device (2). The suction cup device (2) is connected to a vacuum air pump (4) via an airway pipe (3). The glass-wiping robot is adsorbed on a surface of a glass via the suction cup device (2). The suction cup device (2) is also connected to an air-venting device (5). The air-venting device (5) is provided with opened and closed positions. When the air-venting device (5) is at the opened position, the suction cup device (2) is in communication with the atmosphere via the air-venting device (5). The glass-wiping robot has the air-venting device (5) arranged on the airway pipe (3) between the vacuum air pump (4) and the suction cup device (2), wherein when a handle (51) is pulled up, a positioning rotary shaft (53) rotates to trigger an air-venting valve (52), and the air-venting valve (52) opens an air-venting hole therein to allow the interior of the suction cup to be in communication with the atmosphere, thus an equilibrium between internal and external air pressures is achieved rapidly, the glass-wiping robot can be removed rapidly without having to wait, and the work efficiency is increased.