Debris Bin Assembly, Cleaning Robot and Cleaning Robot System
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Solution Overview
Problem
Debris flowing at high speeds with air flow easily impacts and blocks the filter screen in cleaning robots, leading to operational issues.
Innovation Solution
A debris bin assembly with a flow guide plate that intercepts, decelerates, and laterally guides air flow entering from the air inlet, preventing debris from directly impacting the filter screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a filter screen is disposed at the joint of the debris bin and the air duct to prevent debris from entering the air duct, then debris filtering capability is improved, but the filter screen is easily blocked by debris impacting at high speed
Solution Approach 1:
A flow guide plate is introduced as an intermediary component between the air inlet and the filter screen. The flow guide plate intercepts and redirects the high-speed air flow carrying debris, causing it to collide with the flow guide plate surface and lose kinetic energy before reaching the filter screen. This mediator protects the filter screen from direct high-speed debris impact while maintaining the filtering function.
Solution Approach 2:
The flow guide plate performs preliminary action by intercepting and decelerating the air flow before it reaches the filter screen. The plate is positioned to receive the air flow at an angle, causing the flow to change direction and reduce speed in advance, preventing the harmful high-speed impact on the filter screen before it occurs.
2Productivity
If the air inlet is positioned to communicate with the inner cavity, then air flow enters the debris bin effectively, but debris directly impacts the filter screen at high speed causing blockage
Solution Approach 1:
The flow guide plate serves as a mediator that intercepts the air flow carrying debris from the air inlet. It redirects the flow to collide with its surface, causing the air flow to change direction and decelerate. This intermediary structure protects the filter screen from direct high-speed debris impact while maintaining effective debris suction through the air inlet.
Solution Approach 2:
The flow guide plate converts the harmful high-speed direct impact of air flow and debris into a beneficial controlled collision. By designing the plate with specific geometry and angle, the harmful kinetic energy of the air flow is converted into a controlled deceleration process, causing debris to collide with the plate surface and lose speed before reaching the filter screen, thus protecting the filtering system.
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
This solution effectively prevents filter screen blockage by decelerating and redirecting air flow, ensuring continuous operation of the cleaning robot.
Implementation Method 1
the flow guide plate is located in the inner cavity and is disposed opposite to the air inlet, and flow guide plate extends from the top portion to the bottom portion and is configured for intercepting, decelerating and laterally guiding air flow entering from the air inlet
Data Source
AI summary
The disclosure provides a debris bin assembly, a cleaning robot and a cleaning robot system, the debris bin assembly includes a debris bin housing, a filter assembly, and a flow guide plate, the debris bin housing includes a top portion and a bottom portion disposed opposite to the top portion, and a side housing surrounding the top portion and the bottom portion, the top portion, the bottom portion and the side housing are enclosed to form an inner cavity, the top portion of the debris bin housing is provided with an air exhaust channel communicating with the inner cavity and an air outlet communicating with the air exhaust channel, the side housing is provided with an air inlet communicating with the inner cavity, the air inlet inclines towards a side where the top portion is located, the filter assembly is disposed in the air exhaust channel of the top portion, the flow guide plate is located in the inner cavity and is disposed opposite to the air inlet, the flow guide plate extends from the top portion to the bottom portion and is configured for intercepting, decelerating and laterally guiding air flow entering from the air inlet, so as to decelerate and laterally guide air flow carrying debris, which avoids debris directly impacting a filter screen at a high speed and attaching to it, and consequently, a problem that the filter screen is easily blocked is solved.