Segmented Battery Activation for Extreme Temperature Management

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Solution Overview

Problem

Standard batteries in consumer electronic devices are not suitable for extreme temperature conditions, leading to degradation and reduced lifespan due to temperature gradients.

Innovation Solution

A method that measures temperature conditions in mobile communication devices, determines the appropriate battery based on the temperature, and activates a temperature management device to either heat or cool the component, ensuring optimal operation across varying temperatures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If standard batteries are used in consumer electronic devices, then the device structure remains simple, but the battery performance degrades under extreme temperature conditions

Engineering Contradiction:

Improvebattery performanceVSAvoiddevice structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The battery system is segmented into multiple batteries with different temperature operating ranges. Each battery is optimized for specific temperature conditions (e.g., first battery for low temperature, second battery for high temperature), allowing the system to maintain high reliability across extreme temperature ranges while managing complexity through modular design

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system dynamically switches between different batteries based on real-time temperature conditions. The controller monitors temperature and activates the appropriate battery (first battery for low temperature, second battery for high temperature), enabling adaptive optimization of battery performance without requiring a completely complex static structure

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If a single battery is used, then the device complexity is low, but the operational temperature range is limited

Engineering Contradiction:

Improveoperational temperature rangeVSAvoidbattery configuration

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The battery system achieves multi-functionality by incorporating multiple batteries that can serve different temperature conditions. The first battery handles low temperature operations while the second battery handles high temperature operations, creating a universal power system that adapts to various thermal environments without requiring entirely separate systems for each condition

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system changes operational parameters by switching between batteries based on temperature thresholds. When temperature falls below a first threshold, the first battery is activated; when temperature exceeds a second threshold, the second battery is activated. This parameter-based switching expands the operational temperature range while maintaining manageable device complexity

Inventive Principle:

Principle #35Parameter changes

3Reliability

If temperature management is not implemented, then the device structure remains simple, but temperature gradients cause battery degradation

Engineering Contradiction:

Improvebattery lifespanVSAvoidtemperature management system

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The system takes preliminary action by proactively switching to the appropriate battery before extreme temperature conditions cause degradation. The controller monitors temperature and pre-activates the suitable battery (first or second) based on predicted temperature trends, preventing temperature gradients from developing to harmful levels before they can degrade battery lifespan

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The temperature management system operates with feedback control, where the controller continuously monitors temperature conditions and adjusts battery selection accordingly. This feedback mechanism ensures that the system responds to actual thermal conditions, maintaining battery lifespan by preventing harmful temperature gradients while keeping the management system complexity minimal through straightforward control logic

Inventive Principle:

Principle #23Feedback

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This solution extends the operational temperature range of batteries, enhancing their resistance and lifespan by activating the appropriate battery and temperature management device based on measured conditions.

Implementation Method 1

a temperature monitoring device that measures a temperature condition of the mobile communication device or a component of the mobile communication device

Methodology Applied

Scientific EffectTemperature measurement:

Implementation Method 2

heating the component with the temperature management device if the measured temperature condition is below a cold temperature threshold

Methodology Applied

Scientific EffectHeating: Heating

Implementation Method 3

cooling the component with the temperature management device if the measured temperature condition is above a hot temperature threshold

Methodology Applied

Scientific EffectCooling: Cooling

Data Source

PatentUS7863866B2Activating batteries based on environmental conditions

Publication Date: 2011.01.04 SONY GROUP CORP

AI summary

A system measures a temperature condition of a component of a mobile communication device, determines a battery of the mobile communication device based on the measured temperature condition, activates the determined battery, activates a temperature management device connected to the battery, and manages the measured temperature condition of the component with the temperature management device.