Wireless-Charging Temperature Probe to Eliminate Contact Wear

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing Bluetooth temperature probes experience poor contact and charging issues due to the wear of charging interfaces, leading to ineffective wireless charging.

Innovation Solution

The temperature probe incorporates a wireless charging coil within the handle, allowing for wireless charging of the rechargeable battery, eliminating the need for a metal charger plug and probe tube, thus preventing contact-related charging issues.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If wired charging with metal charger plug and probe tube is used, then charging function is provided, but contact wear leads to poor charging effect

Engineering Contradiction:

Improvecharging reliabilityVSAvoidservice life of charging interface

Core Design Contradiction:

ReliabilityVSDuration of action of moving object

Solution Approach 1:

The patent replaces the mechanical wired charging system (metal charger plug and probe tube contact) with a wireless charging system using electromagnetic induction. The wireless charging coil transmits power through electromagnetic fields, eliminating mechanical contact and the associated wear and contact reliability issues.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces a wireless charging coil as an intermediary component between the power source and the rechargeable battery. This coil enables energy transfer through electromagnetic induction without direct physical contact, solving the contact wear problem while maintaining charging functionality.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If metal charger plug and probe tube are used for charging, then charging connection is established, but contact wear causes charging failure

Engineering Contradiction:

Improvecharging convenienceVSAvoidcharging effectiveness

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent replaces the mechanical contact-based charging system with wireless electromagnetic induction charging. This substitution maintains ease of operation (placing the probe near the charging base) while dramatically improving reliability by eliminating contact wear and connection failures.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Use of energy by moving object

If wired charging interface is used, then power transmission is achieved, but interface wear leads to poor contact

Engineering Contradiction:

Improvepower transmission efficiencyVSAvoidcontact reliability

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

The patent replaces the mechanical electrical contact system with wireless electromagnetic induction. This substitution maintains efficient power transmission through electromagnetic fields while eliminating the contact reliability issues inherent in wired mechanical connections.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 enhances charging convenience, reduces the risk of damage from poor contact, and improves charging efficiency by eliminating wear-related charging failures.

Implementation Method 1

the wireless charging coil is arranged in the first inner cavity and is electrically connected to the PCB, so as to charge the rechargeable battery

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Data Source

PatentUS12264973B1Temperature probe

Publication Date: 2025.04.01 SHENZHEN KUKI ELECTRONICS CO LTD

AI summary

A temperature probe includes a probe tube, a handle, a PCB, a rechargeable battery and a wireless charging coil, the handle is connected to the probe tube in a sealing manner, the handle is configured with a first inner cavity, the probe tube is configured with a second inner cavity in communication with the first inner cavity, the rechargeable battery is electrically connected to the PCB, the PCB is arranged in the second inner cavity, and the wireless charging coil is arranged in the first inner cavity and is electrically connected to the PCB, so as to charge the rechargeable battery.