Cleaning Robot Laser Radar Nesting for Obstacle and Liquid Protection
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Solution Overview
Problem
Current cleaning robots face reduced service life due to exposure of laser radars to obstacles and liquids, which can lead to damage and interference, affecting their operational reliability.
Innovation Solution
A cleaning robot design featuring a robot body with an inner cavity and a light transmissive window, where the laser radar is mounted inside and rotates safely, emitting and receiving signals through the window within a preset scanning angle, protecting it from external interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the laser radar protrudes from the upper cover of the robot, then it is convenient for the laser radar to detect the surrounding environment, but the laser radar is likely to be hit by obstacles or splashed by liquid, which affects the service life of the cleaning robot
Solution Approach 1:
The laser radar is nested inside the robot body, specifically mounted on the inner wall of the upper cover within the inner cavity. The ranging component is positioned to face upward through an opening in the upper cover, allowing it to detect the surrounding environment while being protected from direct exposure to obstacles and liquids. This nesting arrangement resolves the contradiction by providing both protection (improving reliability) and detection capability (maintaining ease of operation).
Solution Approach 2:
The opening in the upper cover acts as an intermediary structure that allows the laser radar to detect the environment while being protected. The opening is specifically designed to allow laser signals to pass through while preventing direct contact with obstacles and liquids. This intermediary structure resolves the contradiction by mediating between the need for exposure (detection) and protection (reliability).
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 design enhances the service life and operational reliability of the cleaning robot by safeguarding the laser radar from external damage, allowing continuous and stable performance.
Implementation Method 1
a ranging component rotatable relative to the robot body, wherein the ranging component emits and receives laser signals via the light transmissive window within a preset scanning angle
Implementation Method 2
the ranging component emits a detection signal through the light transmissive window, the detection signal is reflected upon encountering an obstacle to form a reflected signal
Data Source
AI summary
With continued reference to FIGS. 12, 16, and 17, in other embodiments, the collision side plate 13 is provided with a light transmissive portion 132 at a position corresponding to the obstacle avoidance sensor 61, and the at least one obstacle avoidance sensor 61 is hermetically connected to the collision side plate 13. Here, the obstacle avoidance sensor 61 comprises a sensor body 601 and a packaging base 603. The packaging base 603 is hermetically connected to the package side plate, so that a sealed space 605 for accommodating the sensor body 601 is formed between the packaging base 603 and the collision side plate 13. The light transmissive portion 132 can transmit signals emitted and received by the obstacle avoidance sensor 61, and at the same time can provide a dustproof effect to avoid contamination of the sensor body 601 by external dust. The light transmissive portion 132 is formed by a part of the light transmissive member, which can reduce the number of openings in the collision side plate 13, to give a more simplified appearance. One or two or more obstacle avoidance sensors 61 may be provided.