Removable Heated Insole Assembly With Inductive Power Transfer
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Solution Overview
Problem
Heated insoles with internal batteries have limited battery life, requiring users to remove and recharge them, disrupting usage and necessitating updates or replacements of the entire insole.
Innovation Solution
A removable battery-powered assembly with an inductive coupling system allows for easy battery replacement and control circuit updates without removing the insole from the shoe, featuring a transmitter inductive coil and receiver inductive coil for wireless power transfer and a control circuit for heating element management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If an internal battery is used in the heated insole, then the insole can provide heating function, but the battery life is limited and requires recharging which disrupts usage
Solution Approach 1:
The insole is divided into a reusable insole body and a removable battery-powered assembly. The assembly can be easily detached and replaced with a charged one, allowing continuous usage without waiting for recharging. This segmentation enables users to swap assemblies quickly while maintaining heating functionality.
Solution Approach 2:
The battery-powered assembly is extracted as a separate removable component from the insole body. This allows the assembly to be taken out for recharging or replacement independently, eliminating the disruption to usage caused by recharging an internal battery.
2Reliability
If the entire heated insole is replaced to update or fix components, then functionality can be maintained, but it is time-consuming and inconvenient
Solution Approach 1:
The insole system is segmented into a permanent insole body and a removable assembly containing the battery, control circuit, and heating element. Only the assembly needs to be replaced or updated, not the entire insole, significantly reducing replacement time and effort.
Solution Approach 2:
The removable assembly can be discarded when depleted or defective and recovered for replacement with a new or recharged assembly. This allows quick replacement of only the consumable or problematic components while retaining the reusable insole body.
3Ease of operation
If a removable assembly is implemented, then battery replacement is easier, but the device structure becomes more complex
Solution Approach 1:
The battery, control circuit, and heating element are merged into a single integrated removable assembly. This consolidation simplifies the overall structure by reducing the number of separate components and connections needed, making the removable assembly design more manageable despite the added functionality.
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, allows for comfortable and discreet battery replacement, and facilitates updates to the control circuit without replacing the entire insole.
Implementation Method 1
The removable assembly and the heating element are inductively coupled. The removable assembly includes a transmitter inductive coil and the heating element is associated with a receiver inductive coil. The transmitter inductive coil is configured to generate electromagnetic power and inductively transfer such power to the receiver inductive coil.
Data Source
Figure 1A~1C
Figure 2A~2B
Figure 3A~3C
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.