Child Car Seat Side Impact Module Energy Absorption
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Solution Overview
Problem
Existing child seat protection devices lack effective side impact protection, as motor vehicles provide limited side impact safety, leaving children vulnerable during side collisions.
Innovation Solution
A child seat protection device featuring a side impact module with an absorption element, such as a deformable metal sheet or spring element, designed to absorb and convert lateral impact energy, thereby reducing the kinetic impact on the child by deforming or dissipating energy through thermal or compression forms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a side impact module with absorption element is added to the child seat, then side impact protection is improved, but device complexity increases
Solution Approach 1:
The side impact protection system is divided into modular components: a side impact module that can be separately installed on the child seat, containing an absorption element (such as a deformable metal sheet or spring element) as a distinct sub-component. This segmentation allows the protection function to be added without redesigning the entire seat structure.
Solution Approach 2:
The absorption element acts as an intermediary component between the external impact force and the child seat structure. It absorbs and converts impact energy through deformation or spring action, preventing direct transmission of harmful forces to the child, thereby mediating the energy transfer process.
2Reliability
If an absorption element is integrated into the side impact module, then impact energy absorption is improved, but manufacturing complexity increases
Solution Approach 1:
The absorption element is designed as a simple, inexpensive component that deforms or dissipates energy in controlled ways during impact events. Examples include deformable metal sheets that crumple or spring elements that compress, providing effective energy absorption through straightforward material deformation rather than complex active systems.
Solution Approach 2:
The absorption element utilizes changes in physical parameters during impact - such as deformation of the metal sheet geometry or compression of spring elements - to convert kinetic energy into other forms of energy. This passive parameter change approach simplifies manufacturing compared to active energy absorption systems.
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 device effectively reduces the impact energy transmitted to the child during a side collision, enhancing their safety by absorbing and converting kinetic energy into other forms, thus providing improved protection compared to standard child seats without such modules.
Implementation Method 1
The absorption element is intended to convert the impact energy through plastic deformation
Implementation Method 2
the absorption element is designed as a deformable metal sheet
Implementation Method 3
the absorption element is designed as a spring element
Data Source
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AI summary
The invention proposes a child car seat protection device having at least one seat shell (16a; 16b; 16c; 16d; 16e; 16f; 16g; 16h; 16i) and at least one lateral impact module (22a; 22b; 22c; 22d; 22e; 22f; 22g; 22h; 22i) that is arranged on a side of the seat shell (16a; 16b; 16c; 16d; 16e; 16f; 16g; 16h; 16i) and is provided at least for absorbing impact energy acting laterally on the seat shell (16a; 16b; 16c; 16d; 16e; 16f; 16g; 16h; 16i).