Trailer Battery Assembly With Thermal Power Distribution Layout

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Solution Overview

Problem

Large shipping vehicles, such as Class 8 trucks, face challenges in reducing emissions and improving efficiency, particularly in terms of power storage and charging times for battery electric vehicles, which can be offline for extended periods during charging.

Innovation Solution

A cargo trailer assembly is designed with a battery storage unit coupled externally to the chassis, featuring a modular power storage and distribution system that includes multiple battery assemblies, a thermal management system, and a power distribution unit, allowing for extended range operation, independent charging of the trailer unit, and efficient power management between the tractor and trailer units.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a battery storage unit is coupled externally to the trailer chassis, then the trailer can operate independently from the tractor for power storage and charging, but the device complexity increases due to the modular power distribution system

Engineering Contradiction:
Improveindependent operation capabilityVSAvoidmodular power distribution system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The power storage system is divided into separate modular components: a battery assembly with multiple battery units, a power distribution unit, and a thermal management system, each independently mounted to the trailer chassis. This segmentation allows the trailer to function independently while maintaining manageable system complexity through standardized interfaces and modular architecture.

Inventive Principle:
Principle #1Segmentation

2Use of energy by moving object

If multiple battery units are included in the battery assembly, then the power storage capacity and extended range operation are improved, but the weight of the stationary object increases

Engineering Contradiction:
Improvepower storage capacityVSAvoidbattery assembly weight
Core Design Contradiction:
Use of energy by moving objectVSWeight of stationary object

Solution Approach 1:

The battery assembly comprises multiple individual battery units that can be distributed throughout the trailer structure. This segmentation allows for optimized weight distribution across the trailer chassis while accumulating sufficient total energy storage capacity to enable extended range operation independent of the tractor.

Inventive Principle:
Principle #1Segmentation

3Reliability

If a thermal management system is integrated with the battery assembly, then the reliability of power storage is improved through temperature control, but the device complexity increases

Engineering Contradiction:
Improvepower storage reliabilityVSAvoidthermal management system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The thermal management system is integrated with the battery assembly through direct coupling of thermal management components to battery unit housings. This merging approach improves reliability by ensuring proper temperature control for optimal battery performance and safety, while the integration reduces overall system complexity compared to separate independent systems.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11926207B2Battery and auxiliary components for vehicle trailer
Publication Date: 2024.03.12 HEXAGON PURUS NORTH AMERICA HOLDINGS INC
  • US11926207B2 patent drawing
  • US11926207B2 patent drawing
  • US11926207B2 patent drawing

AI summary

A trailer mountable power storage and distribution system is provided. The power storage and distribution system includes a battery assembly and an auxiliary component assembly. The battery assembly includes a housing configured to be mounted to a chassis assembly of a trailer unit. The auxiliary component assembly is configured to be mounted to the chassis assembly of the trailer unit. The auxiliary component assembly has a thermal management component and a power distribution module. The thermal management component is configured to remove heat from the battery assembly. The power distribution module is configured to electrically connect the battery assembly to a load disposed on a tractor configured to tow the trailer unit.