Detachable Battery Pod Access Panels for In-Place Servicing
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Solution Overview
Problem
Existing vocational vehicles face challenges in efficiently servicing and maintaining battery systems due to the complexity of accessing and disconnecting batteries without removing the entire battery pod from the chassis, which complicates assembly, repair, and replacement processes.
Innovation Solution
A detachable battery pod design with access panels that allow access to battery disconnects and routings without removing the pod from the chassis, enabling separate assembly and installation, and includes features like side guards for aerodynamic performance and operator access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the battery pod is made detachable for easier maintenance, then ease of repair is improved, but device complexity increases due to additional coupling mechanisms and access panels
Solution Approach 1:
The battery pod is segmented into multiple access panels that can be independently opened to access specific battery disconnects and components. This allows technicians to service individual battery components without accessing the entire battery pod, improving repair efficiency while maintaining a manageable overall structure.
Solution Approach 2:
The battery pod is designed as a separable unit that can be detached from the vehicle chassis. This extraction of the battery system into a standalone module enables complete removal and replacement of the battery pod as a single unit, significantly improving ease of repair for entire battery systems while the modular design keeps the complexity manageable through standardized coupling mechanisms.
2Ease of operation
If access panels are added to allow component access, then ease of operation is improved, but device complexity increases due to additional panels and fastening mechanisms
Solution Approach 1:
The shell is divided into multiple access panels that can be independently opened, allowing technicians to access specific battery disconnects and components without opening the entire battery pod. This segmentation improves operational ease by providing targeted access while maintaining a relatively simple overall shell structure.
Solution Approach 2:
The access panels are designed with self-contained fastening mechanisms that can be easily opened and closed by technicians without requiring specialized tools or complex procedures. This self-service design improves ease of operation while keeping the panel structure simple and maintenance-friendly.
3Manufacturing precision
If the battery pod is designed as a single integrated unit, then manufacturing precision is improved, but ease of repair worsens due to difficulty in accessing individual components
Solution Approach 1:
While maintaining the battery pod as an integrated manufacturing unit for precision assembly, the design incorporates access panels that segment the internal access paths. This allows the entire battery pod to be manufactured as a precise integrated unit while enabling easy access to individual battery components through the panel openings, resolving the contradiction between manufacturing precision and repair ease.
Solution Approach 2:
The shell structure maintains high manufacturing precision for the overall integrated unit while incorporating localized access panels with specific opening mechanisms. This local quality approach allows the majority of the battery pod to be manufactured as a precise integrated unit, while specific localized areas (panel regions) have modified characteristics to enable easy component access without compromising overall manufacturing precision.
4Ease of repair
If the entire battery pod is removed for battery servicing, then ease of repair is improved, but loss of time increases due to complete pod removal and reinstallation
Solution Approach 1:
The battery pod is designed as a completely extractable unit from the vehicle chassis through standardized coupling mechanisms. This allows the entire battery pod to be removed and reinstalled as a single unit, significantly reducing servicing time compared to disassembling individual components while maintaining ease of repair through complete system replacement capability.
Solution Approach 2:
The battery pod incorporates access panels that can be opened without removing the entire pod from the chassis. This segmentation of access capability allows technicians to perform minor battery component servicing in-place, eliminating the time loss associated with complete pod removal and reinstallation for routine maintenance while preserving the option for complete removal when necessary.
Data Source
AI summary
A vocational vehicle includes a chassis, a vehicle body, and a battery pod. The chassis supports a plurality of tractive elements. The vehicle body is coupled to the chassis and includes an application kit having at least one component that is movable relative to the chassis. The battery pod is detachably coupled to the chassis and is configured to provide power to at least one of the plurality of tractive elements or the application kit. The battery pod includes a shell, a plurality of battery strings, and a plurality of access panels. The battery strings are disposed within an interior cavity of the shell and each include a battery disconnect. The plurality of access panels are detachably coupled to the shell and provide access to respective ones of the plurality of battery disconnects.