Modular Energy Storage Housing With External Busbar Connections
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Solution Overview
Problem
There is a need for energy storage systems (ESS) that can be quickly manufactured and installed, with a movable structure and a reliable connection method to facilitate rapid expansion and deployment of energy storage devices.
Innovation Solution
The energy storage device is designed to be modular and transportable, featuring a housing with battery modules, a mounting portion, and exposed connecting portions, including a busbar and insulating member, allowing for easy connection and expansion of multiple devices, along with a cooling system for efficient temperature control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If energy storage devices are manufactured and installed on-site, then customization and adaptability are improved, but manufacturing time and implementation speed deteriorate
Solution Approach 1:
The energy storage device is pre-manufactured as a complete modular unit at a factory setting, including pre-installed battery modules, cooling systems, and connection components. This preliminary preparation allows the device to be transported and deployed quickly at the installation site without requiring on-site manufacturing, thus reducing implementation time while maintaining customization through modular design.
Solution Approach 2:
The energy storage system is divided into independent modular units that can be manufactured separately and then assembled at the installation site. Each module contains complete functional components (battery modules, cooling system, housing), allowing for parallel manufacturing and rapid deployment while maintaining system adaptability through configurable module combinations.
2Productivity
If energy storage devices are modularized for transport, then installation speed and deployment efficiency are improved, but connection reliability and structural complexity deteriorate
Solution Approach 1:
Multiple connection functions are integrated into a single standardized interface structure. The connection portion combines electrical connections (busbars), mechanical fastening (fixing members), and cooling system connections into one unified interface, allowing simultaneous establishment of all connections during a single coupling operation, thereby maintaining reliability while improving installation speed.
Solution Approach 2:
A universal standardized connection interface is designed that can be used across all modular units of the energy storage system. This multi-functional interface handles electrical power transmission, thermal management connections, and mechanical structural coupling, simplifying the installation process while ensuring consistent and reliable connections through standardized design.
3Ease of operation
If connection portions are exposed to outside, then connection ease and installation simplicity are improved, but protection and insulation requirements increase
Solution Approach 1:
The connection portions (busbars and connection terminals) are extracted from the internal housing structure and positioned at externally accessible locations on the housing surface. This extraction allows for easy external connection without requiring disassembly of the device, while the connection components are designed with integrated insulation features to maintain safety.
Solution Approach 2:
An insulating member serves as an intermediary component between the exposed conductive busbar and the external environment. This insulating structure provides electrical isolation while allowing the busbar to remain accessible for connection, thus maintaining connection ease while addressing insulation requirements through a dedicated intermediary component.
Data Source
AI summary
An energy storage device includes a housing having an internal space; a plurality of battery modules accommodated in the internal space; a mounting portion disposed in the housing and on which the plurality of battery modules are mounted; a door member coupled to the housing to be openable and closable; and at least one connecting portion of which at least a portion is exposed to the outside of the housing and electrically connected to the plurality of battery modules.