Battery Compartment Cover Ejection for Stuck Slot Removal

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Solution Overview

Problem

In public transportation vehicles, the battery compartment covers for electronic ink screens often get stuck in the mounting slot due to similar sizes, and the lightweight covers are difficult to remove by gravity alone, causing inconvenience during battery replacement.

Innovation Solution

A battery compartment design featuring a connection electrode with a slide slot and a pushing-out assembly, including a slider and elastic or magnetic members, facilitates the detachment of the battery compartment cover by providing a force to move it away from the connection electrode, allowing for easy removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Weight of moving object

If the battery compartment cover is made lightweight, then ease of installation is improved, but ease of removal deteriorates because gravity cannot effectively detach it from the mounting slot

Engineering Contradiction:
Improvebattery compartment cover weightVSAvoidbattery compartment cover removal
Core Design Contradiction:
Weight of moving objectVSEase of operation

Solution Approach 1:

The pushing-out assembly is pre-configured within the battery compartment cover structure. When the cover is installed, the pushing-out member is positioned to contact the mounting slot, creating a pre-loaded mechanical advantage that enables easy removal despite the cover's lightweight construction.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The pushing-out member acts as an intermediary mechanical element between the battery compartment cover and the mounting slot. This intermediary component transfers and amplifies the removal force, allowing the lightweight cover to be detached efficiently from the mounting slot.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Area of stationary object

If the battery compartment cover size is made similar to the mounting slot, then space utilization is improved, but ease of operation deteriorates because the cover gets stuck in the mounting slot

Engineering Contradiction:
Improvemounting slot space utilizationVSAvoidbattery compartment cover removal
Core Design Contradiction:
Area of stationary objectVSEase of operation

Solution Approach 1:

The pushing-out assembly is pre-configured within the battery compartment cover structure. When the cover is installed, the pushing-out member is positioned to contact the mounting slot, creating a pre-loaded mechanical advantage that enables easy removal despite the cover's similar dimensions to the mounting slot.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The pushing-out member introduces dynamic mechanical advantage to the otherwise static fit between the cover and mounting slot. During removal, the pushing-out member converts small manual forces into sufficient detachment force, dynamically resolving the sticking problem caused by size similarity.

Inventive Principle:
Principle #15Dynamics

3Device complexity

If a simple battery compartment cover design is used, then device complexity is reduced, but ease of operation deteriorates due to difficulty in removing the cover

Engineering Contradiction:
Improvebattery compartment cover structureVSAvoidbattery compartment cover removal
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The battery compartment cover is segmented into the cover body and the integrated pushing-out assembly. This segmentation allows the cover to maintain a simple overall design while incorporating the functional pushing-out mechanism that enables easy removal operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pushing-out assembly is merged with the battery compartment cover as an integrated unit. This merging maintains design simplicity by eliminating separate removal mechanisms while providing the necessary mechanical advantage for easy cover removal through the integrated pushing-out member.

Inventive Principle:
Principle #5Merging (Combining)

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 design enables convenient and efficient removal of the battery compartment cover, reducing the effort required for technicians to replace batteries and preventing covers from getting stuck, thus improving maintenance efficiency.

Implementation Method 1

the pushing-out member is an elastic member, and the elastic member is located between the bottom of the slide slot and the slider

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

the pushing-out member includes a first magnetic member at the bottom of the slide slot and a second magnetic member on the slider, wherein magnetic poles of the first magnetic member and the second magnetic member facing each other have a same polarity

Methodology Applied
Scientific EffectMagnetic repulsion: Ion Repulsion/Attraction

Data Source

PatentUS11919403B2Battery compartment and handle for use in transportation vehicle
Publication Date: 2024.03.05 BOE TECHNOLOGY GROUP CO LTD
  • US11919403B2 patent drawing
  • US11919403B2 patent drawing
  • US11919403B2 patent drawing

AI summary

The present disclosure provides a battery compartment and a handle for use in a transportation vehicle. The battery compartment includes: a battery mount having at least two battery mounting grooves spaced apart from each other; a connection electrode on the battery mount and between adjacent battery mounting grooves; a battery compartment cover detachably connected to the connection electrode; and a pushing-out assembly on the connection electrode, wherein the pushing-out assembly is configured to provide a force for moving the battery compartment cover away from the connection electrode.