Non-contact Temperature Measuring Device with Infrared Sensor

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Solution Overview

Problem

Conventional contact thermometers pose a risk of infection and are not portable enough for frequent temperature measurements in infants and toddlers, who require precise and immediate temperature monitoring due to their weak immune systems.

Innovation Solution

A non-contact temperature measuring device with a small, portable design that includes a body unit, distance sensor, temperature sensor, control unit, display unit, and connector, allowing for attachment to external devices like smartphones, enabling non-contact temperature measurement with reduced infection risk and enhanced portability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If contact thermometers are used to measure body temperature, then temperature measurement is achieved, but infection risk increases due to direct contact with skin

Engineering Contradiction:

Improvetemperature measurementVSAvoidinfection risk

Core Design Contradiction:

Measurement precisionVSObject-affected harmful factors

Solution Approach 1:

The patent replaces contact-based mechanical temperature measurement with non-contact infrared temperature measurement. The infrared sensor detects thermal radiation from the target object's surface without physical contact, thereby eliminating infection risk while maintaining temperature measurement capability. This is achieved through the infrared sensor unit that receives infrared radiation from the target object and converts it into temperature data.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Object-affected harmful factors

If eardrum thermometers are used for non-contact measurement, then infection risk is reduced, but portability deteriorates due to larger size

Engineering Contradiction:

Improveinfection riskVSAvoidportability

Core Design Contradiction:

Object-affected harmful factorsVSWeight of moving object

Solution Approach 1:

The patent divides the temperature measurement system into a compact portable device with infrared sensor and a separate display unit. The measurement function is miniaturized and can be carried anywhere, while the display unit processes and shows the temperature data. This segmentation allows the measurement device to be small and portable while maintaining non-contact measurement capability.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent designs the portable temperature measurement device to measure temperature of various target objects (humans, animals, objects) without contact. The infrared sensor unit serves multiple purposes: non-contact temperature measurement, distance measurement, and the ability to attach to different surfaces using the fixing unit with adhesive properties, making it universally applicable.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Weight of moving object

If conventional thermometers are made small for portability, then ease of carrying is improved, but measurement precision may deteriorate

Engineering Contradiction:

ImproveportabilityVSAvoidtemperature measurement accuracy

Core Design Contradiction:

Weight of moving objectVSMeasurement precision

Solution Approach 1:

The patent uses infrared sensing technology that does not require large mechanical components for measurement. The infrared sensor unit can be miniaturized while maintaining measurement precision because it detects thermal radiation electronically rather than through mechanical contact. This allows compact design without sacrificing temperature measurement accuracy.

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

The device allows for hygienic, non-contact temperature measurement, is lightweight and easy to carry, and includes additional functions like a grip and cradle for external devices, enhancing user convenience and reducing the risk of infection.

Implementation Method 1

non-contact thermometers include infrared thermometers that measure body temperature by detecting infrared wavelengths emitted from the eardrum

Methodology Applied

Scientific EffectInfrared radiation detection: Infrared Radiation

Implementation Method 2

a distance sensor configured to measure a distance to an object

Methodology Applied

Scientific EffectLight reflection detection: Reflection

Data Source

PatentUS11867560B2Non-contact temperature measuring device

Publication Date: 2024.01.09 ADDPLUS CO LTD

AI summary

A non-contact temperature measuring device for an accessory comprises a body unit; a fixing unit to which the body unit is coupled; a distance sensor configured to measure a distance to an object; a temperature sensor configured to measure a temperature of the object; a control unit operatively connecting the distance sensor and the temperature sensor to obtain the temperature of the object; a display unit displaying the temperature obtained; and a connector configured to supply power, wherein the fixing unit includes a coupling part including a receiving groove capable of receiving the connector of the body unit, a support part connected to the coupling part and having an adhesive surface for bonding to another device; and an outer part configured to be connected to the coupling part, and when the body unit is fastened to the coupling part, surround an outer surface of the body unit.