High-Voltage Box Daisy-Chain Power Layout for Compact Energy Storage
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Solution Overview
Problem
Existing energy storage systems face challenges with increased volume and complex wiring due to multiple power supply interfaces and numerous connection cables, which occupy valuable space and hinder efficient power distribution within limited containers.
Innovation Solution
A high-voltage box power supply system that connects multiple high-voltage boxes in a daisy chain configuration, using a single power supply to sequentially power them through first and second interfaces, reducing connection cables and integrating switching power supplies and breakers for efficient power distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple power supply interfaces and numerous connection cables are used to power multiple high-voltage boxes, then each high-voltage box can be independently powered, but the volume of the power distribution cabinet increases and the wiring becomes complex
Solution Approach 1:
The patent merges multiple power supply interfaces into a single power supply interface by implementing a daisy-chain connection where the first high-voltage box receives power and subsequently powers the second high-voltage box. This consolidation reduces the number of power supply interfaces from multiple to one, thereby reducing the volume of the power distribution cabinet while maintaining the ability to independently power multiple high-voltage boxes.
Solution Approach 2:
The patent segments the power distribution function by having the first high-voltage box act as an intermediate power distribution node. Instead of the power distribution cabinet directly connecting to each high-voltage box, the power is segmented into stages: power distribution cabinet → first high-voltage box → second high-voltage box. This segmentation allows reduction of the power distribution cabinet's volume while maintaining independent power supply capability.
2Reliability
If multiple power supply interfaces and numerous connection cables are used to power multiple high-voltage boxes, then each high-voltage box can be independently powered, but the wiring becomes complex
Solution Approach 1:
The patent merges multiple separate wiring paths into a single sequential wiring path by implementing daisy-chain connections. Instead of having the power distribution cabinet connect separately to each high-voltage box with independent cables, the wiring is merged into a sequence where the first high-voltage box connects to the second, significantly reducing wiring complexity while maintaining independent power supply functionality.
Solution Approach 2:
The first high-voltage box serves as an intermediary in the power distribution chain. Instead of direct connections from the power distribution cabinet to each high-voltage box, the first high-voltage box mediates the power transmission to the second high-voltage box. This intermediary approach simplifies the overall wiring structure by reducing the number of direct connections required from the power distribution cabinet.
3Reliability
If multiple power supplies are integrated in an energy storage container, then each high-voltage box can be powered, but the number of power supply interfaces in the power distribution cabinet increases
Solution Approach 1:
The patent merges multiple power supply interface functions into a single physical interface by implementing a daisy-chain power distribution architecture. Instead of requiring separate power supply interfaces in the power distribution cabinet for each high-voltage box, the system uses one power supply interface that sequentially powers multiple high-voltage boxes through intermediate connections, thereby reducing the number of power supply interfaces from multiple to one.
Solution Approach 2:
The single power supply interface in the power distribution cabinet is designed to be universal, serving multiple high-voltage boxes through the daisy-chain configuration. This multi-functional interface can power the first high-voltage box, which in turn powers the second high-voltage box, making the single interface capable of supporting multiple power distribution functions that would traditionally require multiple dedicated interfaces.
4Reliability
If multiple power supplies are integrated in an energy storage container, then each high-voltage box can be powered, but the volume of the power distribution cabinet increases
Solution Approach 1:
The patent merges multiple power supply functions into a single compact power distribution architecture. By implementing daisy-chain connections where the first high-voltage box powers the second high-voltage box, the system eliminates the need for multiple separate power supply units in the power distribution cabinet, thereby significantly reducing its volume while maintaining the capability to power multiple high-voltage boxes reliably.
Solution Approach 2:
The patent extracts the power supply function from the power distribution cabinet by enabling the first high-voltage box to serve as a secondary power source for the second high-voltage box. This extraction of the power supply function from the central power distribution cabinet allows for a more compact cabinet design, as the cabinet only needs to provide the initial power input rather than housing multiple separate power supply units.
Data Source
AI summary
The present disclosure provides a high-voltage box power supply system and an energy storage system, where the high-voltage box power supply system is applied to the energy storage system and includes: a power supply; and a plurality of high-voltage boxes; where the power supply is electrically connected to one of the plurality of high-voltage boxes, and the plurality of high-voltage boxes are electrically connected to each other in sequence, so that the power supply supplies power to the plurality of high-voltage boxes.