Auto-Leveling Seat Tilt Control for Child Stroller Frames
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Solution Overview
Problem
Existing child strollers lack the ability to adjust the tilt angle of the seat relative to the frame, leading to discomfort and safety issues when traversing non-horizontal surfaces.
Innovation Solution
A seat adjustment structure with a driving device, sensor, and actuating mechanism that automatically adjusts the tilt angle of the seat based on the frame's pitch angle, ensuring the seat remains horizontal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seat is fixed to the frame, then the structure is simple and stable, but the seat cannot maintain horizontal position on non-horizontal surfaces
Solution Approach 1:
The patent applies the dynamics principle by enabling the seat to rotate relative to the frame around a transverse horizontal axis. The seat is no longer fixed but can dynamically adjust its pitch angle through the actuating mechanism, allowing it to maintain horizontal position on non-horizontal surfaces while preserving structural simplicity
Solution Approach 2:
The system implements self-service through the sensor that automatically detects the frame's pitch angle and the driving device that autonomously actuates the mechanism to adjust the seat angle, eliminating the need for manual intervention while maintaining a relatively simple overall structure
2Ease of operation
If the seat adjusts automatically to maintain horizontal position, then comfort and safety are improved, but the device complexity increases
Solution Approach 1:
The patent implements feedback through the sensor that continuously monitors the frame's pitch angle and provides this information to the driving device. This closed-loop feedback system enables automatic seat adjustment to maintain horizontal position, improving comfort while keeping the mechanism relatively simple through intelligent control
Solution Approach 2:
The patent replaces complex mechanical linkages with a more compact actuating mechanism driven by a motor or actuator. This substitution reduces the overall mechanical complexity while achieving the same seat adjustment function, thereby improving comfort without excessive device complexity
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 seat adjustment structure maintains the seat in a horizontal position, enhancing comfort and safety for the occupant by compensating for changes in the frame's angle.
Implementation Method 1
a sensor configured to acquire a tilt angle of the seat relative to a horizontal plane and generate tilt angle data based on the tilt angle
Implementation Method 2
the lead screw has an end connected to the motor so that the motor drives the lead screw to rotate during operation thereof and has another end of screwed with one end of the screw sleeve
Implementation Method 3
the actuating mechanism is capable of being driven by the driving device to extend and retract, so that the seat is driven to rotate relative to the frame around a rotation axis
Data Source
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AI summary
A moving carrier is provided in the present disclosure. The moving carrier includes a frame, a seat, a driving device, and a sensor. The seat is arranged on the frame and capable of pitching and rotating around a rotation axis relative to the frame. The driving device is installed on the frame and coupled to the seat, the driving device being configured to drive the seat to pitch and rotate relative to the frame. The sensor is configured to acquire a tilt angle of the seat relative to a horizontal plane and generate tilt angle data based on the tilt angle. The sensor is electrically connected to the driving device so that the driving device operates to adjust the tilt angle of the seat according to the tilt angle data. A method for adjusting the tilt angle of the seat of the moving carrier is also disclosed.