Counterweighted Display Stand for Automatic Height and Tilt Adjustment
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Solution Overview
Problem
Service robots with fixed displays pose discomfort for users of varying heights, as they must bend or tilt their heads to operate the display, and first-time users may find it difficult to adjust the display's tilt manually.
Innovation Solution
A display stand with an actuated rotary mechanism and elevation mechanism that automatically adjusts the display's height and tilt based on user presence, using a motor-driven system with counterweights and rotary dampers to ensure smooth and controlled movement, allowing the display to be positioned comfortably for users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display is fixed at a predetermined height and tilt angle, then the device complexity is reduced and manufacturing is simplified, but users of different heights experience discomfort and accessibility is poor
Solution Approach 1:
The display stand employs dynamic adjustment mechanisms that allow the display to move between different height and tilt angle positions. The elevation mechanism enables vertical movement while the tilt mechanism adjusts the viewing angle, transforming a static fixed-position display into a dynamic adaptable one that responds to user needs.
Solution Approach 2:
The system incorporates sensors that automatically detect user presence and characteristics, then autonomously adjusts the display position and angle without requiring manual intervention. This self-service capability eliminates the need for users to manually operate complex adjustment mechanisms while maintaining comfort and accessibility.
2Adaptability or versatility
If manual adjustment mechanisms are provided for tilt and height, then adaptability to different users is improved, but first-time users find it difficult to discover and operate the adjustment means
Solution Approach 1:
The automatic adjustment system detects user characteristics through sensors and autonomously positions the display optimally without requiring users to understand or operate manual adjustment mechanisms. The system serves itself by making intelligent decisions about display positioning based on detected user parameters.
Solution Approach 2:
The patent replaces manual mechanical adjustment operations with an automated control system that uses sensors and actuators. Instead of users physically manipulating tilt and height mechanisms, electronic control systems detect user presence and automatically actuate the adjustment mechanisms, substituting complex mechanical user interactions with simpler sensor-based automation.
3Adaptability or versatility
If the display can be tilted and adjusted to different angles, then viewing comfort for different users is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The tilt mechanism enables the display to dynamically adjust its angle relative to the vertical direction, transitioning from a fixed rigid structure to a flexible adjustable one. This dynamic capability allows the same base structure to serve multiple viewing angle requirements without requiring multiple specialized components.
Solution Approach 2:
The display stand integrates multiple functions including elevation, tilting, and positioning within a single unified structure. Rather than requiring separate mechanisms for each adjustment type, the design combines these functions into an integrated system that achieves multiple objectives through coordinated operation of shared components.
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
Enables comfortable viewing and operation for users of different heights by automatically adjusting the display's height and tilt, improving usability and accessibility for both standing and seated users.
Implementation Method 1
A display stand with an actuated rotary mechanism and elevation mechanism that automatically adjusts the display's height and tilt based on user presence, using a motor-driven system with counterweights
Implementation Method 2
using a motor-driven system with counterweights and rotary dampers to ensure smooth and controlled movement
Implementation Method 3
A display stand with an actuated rotary mechanism and elevation mechanism that automatically adjusts the display's height and tilt
Implementation Method 4
using a motor-driven system with counterweights and rotary dampers to ensure smooth and controlled movement
Data Source
AI summary
A display stand includes a frame, an actuated rotary mechanism coupled to the frame, a counterweight coupled to the actuated rotary mechanism and movable in a vertical direction during rotation of the display about the axis of rotation, and an elevation mechanism. The actuated rotary mechanism includes a display holder that is configured to mount a display to the frame and rotate the display about an axis of rotation. The counterweight and the display are located at opposite sides of a vertical plane that passes through the axis of rotation such that a combined center of mass of the display, the display holder, and the counterweight lies on the vertical plane. The frame is coupled to the elevation mechanism, and the elevation mechanism is configured to move the frame up and down.