Shared Battery Pool Redundancy for Electronic Systems

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Solution Overview

Problem

As the number of information processing devices increases, the number of batteries required to provide redundancy against power outages also increases, leading to higher costs and installation space requirements, making existing battery redundancy methods inefficient.

Innovation Solution

An electronic system with N electronic components and (N+1) batteries, where each component is connected to two batteries, and each battery is connected to two components, ensuring that even if one battery fails, power can be reliably supplied from different normal batteries through selection circuits, thereby ensuring redundancy with a smaller number of batteries.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the number of information processing devices increases, then the power supply coverage increases, but the number of batteries required increases, leading to higher costs and installation space requirements

Engineering Contradiction:
Improvepower supply coverageVSAvoidnumber of batteries
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The patent merges the power supply function across multiple devices by implementing a shared battery pool. Instead of dedicating one battery per device, multiple batteries are pooled together and dynamically allocated to serve multiple electronic components through selection circuits. This combining approach reduces the total number of batteries needed while maintaining power supply coverage across all devices.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent implements universality by designing a common battery pool that can serve multiple electronic components across different devices. The (N+1) batteries are not dedicated to specific components but are universally available to any of the N electronic components through the selection circuits, allowing the same battery resources to fulfill multiple functions and serve multiple devices.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If one battery is coupled to one electronic component, then the reliability of power supply to that component is improved, but the overall system requires more batteries to maintain redundancy

Engineering Contradiction:
Improvepower supply reliabilityVSAvoidnumber of batteries
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent combines multiple battery resources into a shared pool that collectively provides redundancy for all electronic components. Instead of requiring separate backup batteries for each component, the system merges the backup function into a common pool where any battery can serve any component, achieving system-level redundancy with fewer total batteries.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent introduces selection circuits as intermediaries between the battery pool and electronic components. These selection circuits act as mediators that dynamically connect appropriate batteries to components needing power, enabling the battery pool to efficiently serve multiple components while maintaining reliability through controlled access and allocation.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If redundancy is provided for each electronic component individually, then the reliability against power outage is improved, but the installation space and cost increase

Engineering Contradiction:
Improveredundancy against power outageVSAvoidinstallation space
Core Design Contradiction:
ReliabilityVSArea of stationary object

Solution Approach 1:

The patent merges individual component-level redundancy into a system-level shared redundancy pool. Instead of allocating dedicated backup batteries to each electronic component (which would require significant space), the system combines all redundancy resources into a common pool that serves all components collectively, dramatically reducing the total installation space required while maintaining equivalent or superior reliability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent implements universal redundancy where the same battery pool serves as the backup for all electronic components simultaneously. The (N+1) batteries provide universal backup coverage across N components through dynamic allocation, allowing the same physical battery resources to provide redundancy for multiple different components at different times, thus reducing the space needed compared to dedicated per-component redundancy.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS10809788B2Electronic system, information processing device, and control method
Publication Date: 2020.10.20 FUJITSU LTD
  • US10809788B2 patent drawing
  • US10809788B2 patent drawing
  • US10809788B2 patent drawing

AI summary

An electronic system includes N electronic components where N is an integer of 2 or more, (N+1) batteries, and N selection circuits associated with the respective N electronic components. Each of the N electronic components is coupled to two batteries among the (N+1) batteries. Combinations of two batteries coupled to the respective N electronic components are different from each other. Each of (N−1) batteries among the (N+1) batteries is coupled to two electronic components among the N electronic components. Combinations of two electronic components coupled to the respective (N−1) batteries are different from each other. Each of the N selection circuits is configured to supply, as driving power, electric power output from at least one of two batteries coupled to a corresponding electronic component among the N electronic components to the corresponding electronic component.