Removable Battery Assembly for Heated Insoles
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Solution Overview
Problem
Existing heated insoles require users to remove them from shoes, recharge the internal battery, and reinsert them, disrupting use and being inconvenient for extended warmth.
Innovation Solution
A removable battery-powered assembly for heated insoles that can be easily inserted and removed without taking the insole out of the shoe, featuring a control circuit for heating management and optional inductive coupling for wireless power transfer, allowing uninterrupted use and easy battery replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the heated insole uses an internal battery for heating, then the insole can provide warmth, but the battery life is limited and requires removal from the shoe for recharging
Solution Approach 1:
The patent divides the heated insole into separable components: a power source unit (battery) and a heating element unit. This segmentation allows the battery to be removed and replaced independently from the heating element, enabling continuous operation by swapping batteries without removing the insole from the shoe.
Solution Approach 2:
The patent changes the operational parameter from a single rechargeable battery system to a replaceable battery system. Instead of recharging in place, the battery's state is changed from rechargeable to replaceable, allowing users to swap depleted batteries for charged ones, thus eliminating downtime.
2Duration of action of stationary object
If the heated insole includes an internal battery and heating element, then continuous warmth can be provided, but the device complexity increases
Solution Approach 1:
By segmenting the insole into modular components (power source, heating element, control circuitry), the patent manages complexity through organization. Each module can be independently designed, tested, and replaced, reducing overall system complexity despite extended operational capability.
Solution Approach 2:
The heating element and control circuitry are designed to be compatible with multiple battery units, creating a universal interface. This multi-functionality allows the same heating system to work with different battery types or generations, managing complexity through standardization.
3Use of energy by moving object
If the heated insole requires removal from the shoe for battery recharging, then the battery can be recharged, but the ease of operation is reduced
Solution Approach 1:
The patent extracts the battery recharging operation from the insole usage context. Instead of recharging the battery while it remains installed in the insole (which would require shoe removal), the battery is extracted as a replaceable component, allowing recharging to occur separately while the insole remains in use.
Solution Approach 2:
The system enables self-service operation where the user can independently replace the battery without requiring technical intervention or removal of the insole from the shoe. The modular design allows the user to service the battery component separately, maintaining ease of operation.
4Loss of energy
If the heated insole uses a rechargeable battery system, then energy can be reused, but the loss of time for recharging disrupts continuous use
Solution Approach 1:
The patent implements preliminary action by maintaining multiple battery units in advance. While one battery is in use, another can be charged or prepared in advance. When the active battery is depleted, a pre-charged battery is immediately swapped in, eliminating downtime and ensuring continuous heating duration.
Solution Approach 2:
Through the replaceable battery system, the patent achieves continuity of useful action (heating) without interruption. The ability to swap batteries instantly ensures that the heating function continues without break, maintaining continuous useful action despite the finite capacity of individual batteries.
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
Enables continuous use of heated insoles without interruption, as the battery can be replaced or recharged without removing the insole from the shoe, providing consistent warmth and convenience.
Implementation Method 1
a heating element for heating the insole
Implementation Method 2
The transmitter inductive coil is configured to generate electromagnetic power and inductively transfer such power to the receiver inductive coil
Implementation Method 3
The receiver inductive coil is configured to wirelessly receive the inductively transferred power and deliver that received power the heating element
Data Source
AI summary
A heated insole for a shoe has an insole body, a heating element, and a removable assembly. The insole body has a recess, and the heating element delivers heat to at least a portion of the insole body. The removable assembly is removable from and insertable into the recess of the insole body, and includes a battery and a control circuit that is configured to control heating of the heating element.