Modular Battery Pack Layout for Electric Refuse Vehicle Uptime
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Solution Overview
Problem
Conventional refuse vehicles face challenges in efficiently powering and maintaining their energy systems, leading to increased maintenance costs, reduced uptime, and limited flexibility in upgrading technologies due to the integration of combustion engines and non-modular battery systems.
Innovation Solution
A refuse vehicle design featuring a modular and detachable electric energy system with battery cells positioned between the chassis and body assembly, allowing for easy access, replacement, and charging, which is fully powered by battery cells without a combustion engine, enabling hot-swapping and faster charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If battery cells are integrated into the body assembly, then structural stability is improved, but maintenance complexity and downtime increase
Solution Approach 1:
The battery system is segmented into modular battery cell assemblies that can be independently removed from the body assembly. This allows the battery cells to be separated from the main vehicle structure for easier maintenance while maintaining structural integrity when installed.
Solution Approach 2:
The battery cells are designed to be extractable from the body assembly through removable connections. This extraction capability enables maintenance personnel to remove and replace battery cells without disassembling the entire body assembly, reducing maintenance complexity and downtime.
2Power
If combustion engine is used, then power availability is improved, but environmental harm and fuel dependency worsen
Solution Approach 1:
The combustion engine (mechanical system) is replaced with an electric power system using battery cells. This substitution eliminates harmful emissions from combustion while providing sufficient electric power for refuse vehicle operations through the battery-electric drive system.
3Strength
If battery system is fixed and non-modular, then structural integrity is improved, but adaptability for technology upgrades deteriorates
Solution Approach 1:
The battery system is divided into modular segments that can be independently replaced. This segmentation maintains structural integrity when assembled while enabling easy upgrades by replacing individual battery cell modules with newer technology without affecting the entire vehicle structure.
Solution Approach 2:
The battery system is designed with dynamic replaceability, allowing the battery cells to be upgraded from older to newer chemistries and technologies. This dynamic approach enables the system to adapt to technological advancements while maintaining structural integrity through standardized mounting interfaces.
4Volume of moving object
If battery cells are positioned within the chassis, then space utilization is improved, but access for charging and replacement deteriorates
Solution Approach 1:
The battery cells are positioned within the body assembly structure, extracting them from the chassis cavity. This placement optimizes space utilization within the vehicle body while providing accessible interfaces for charging and replacement through the vehicle's exterior or service panels.
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 configuration reduces maintenance costs, increases vehicle uptime, and allows for easier upgrades to future battery chemistries, improving the overall efficiency and reliability of refuse vehicle operations.
Implementation Method 1
battery cells positioned between the chassis and body assembly
Data Source
AI summary
A refuse vehicle includes a chassis, a body assembly, and battery cells. The body assembly is coupled to the chassis and defines a refuse compartment. The battery cells are positioned between the body assembly and the chassis.