Spin Cross-Over Material Temperature Detection System

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing temperature detection devices lack precision and accuracy, and are often costly, while simultaneously measuring blood oxygen levels through the skin is challenging, making it difficult to obtain coherent temperature and blood oxygen readings.

Innovation Solution

A temperature detection system utilizing a layer of spin cross-over material in thermal contact with a target surface, illuminated by multiple light sources and captured by light receivers, which generates signals for correlation analysis to determine temperature and blood oxygen levels, leveraging the material's optical response to temperature changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional temperature detection devices are used, then the device structure is simple, but the measurement precision is low

Engineering Contradiction:

Improvetemperature measurement accuracyVSAvoiddetection system complexity

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

The patent introduces a spin cross-over material layer as an intermediary between the target surface and the detection system. This material layer converts temperature changes into optical signal changes, enabling precise non-contact temperature measurement. The intermediary material bridges the gap between thermal energy and optical detection, resolving the contradiction between measurement precision and device complexity.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces conventional contact-based or infrared thermal detection mechanisms with an optical detection system based on spin cross-over material's optical property changes. By substituting mechanical or thermal detection methods with optical methods, the system achieves higher precision while maintaining manageable complexity through non-contact measurement.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Adaptability or versatility

If multiple detection functions are integrated, then the versatility is improved, but the reliability of coherent detection decreases

Engineering Contradiction:

Improvedetection function integrationVSAvoidcoherent detection reliability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The spin cross-over material layer serves multiple functions simultaneously: it acts as a temperature sensor through its optical property changes and as a blood oxygen detection medium through light absorption characteristics. This universal material enables both temperature and blood oxygen detection within a single integrated system, improving versatility while maintaining coherent detection reliability through unified measurement methodology.

Inventive Principle:

Principle #6Universality (Multi-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

The system provides precise and cost-effective temperature detection with the ability to concurrently measure blood oxygen levels, achieving high accuracy and coherence in readings, with potential applications in wearables and medical devices.

Implementation Method 1

a layer of spin cross-over material in thermal contact with a target surface; at least one first light source configured to provide a first and a second illumination of at least a first portion of the layer of spin cross-over material; at least one first light receiver configured to: capture first and second return light coming from the layer of spin cross-over material and resulting respectively from the first and second illuminations; generate a first signal based on the first return light; and generate a second signal based on the second return light; a computation circuit configured to determine, based at least on a correlation between the first and second signals, a temperature of the layer of spin cross-over material

Methodology Applied

Scientific EffectSpin cross-over effect:

Implementation Method 2

at least one first light receiver configured to: capture first and second return light coming from the layer of spin cross-over material and resulting respectively from the first and second illuminations; generate a first signal based on the first return light; and generate a second signal based on the second return light

Methodology Applied

Scientific EffectPhotoelectric effect: Photoelectric Effect

Implementation Method 3

a layer of spin cross-over material in thermal contact with a target surface

Methodology Applied

Scientific EffectThermal contact heat transfer: Conduction (thermal)

Data Source

PatentUS20230210380A1Temperature detection system

Publication Date: 2023.07.06 EV TECHNOLOGIES

AI summary

A temperature detection system (10) comprising a layer of spin cross-over material (11) in thermal contact with a target surface (12); at least one first light source (13) configured to provide a first and a second illumination (13a, 33a) of at least a first portion (12a) of the layer of spin cross-over material (11); at least one first light receiver (14) configured to capture first and second return light (14b, 34b) coming from the layer of spin cross-over material (11) and resulting respectively from the first and second illuminations; generate a first signal (S1) based on the first return light (14b); and generate a second signal (S2) based on the second return light (34b); a computation circuit (15, 17) configured to determine, based at least on a correlation between the first and second signals (S1, S2), a temperature of the layer of spin cross-over material (11).