Glass Temperature Sensing With Distance Correction and Thermal Imaging
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Solution Overview
Problem
Conventional non-contact temperature measurement devices face inaccuracies due to the deflection or transmission of infrared waves through glass objects, and conventional distance measurement devices struggle to accurately measure the distance to glass surfaces with rounded and angled shapes, making it difficult to determine the actual temperature of heated glass objects.
Innovation Solution
A contact and non-contact temperature and distance sensor device that combines a contact-type temperature sensor to measure ambient air temperature, a non-contact type temperature sensor to measure the hottest temperature on a specific region of the object, and a distance measurement unit using thermal imaging and pixel analysis to calculate the object's actual temperature and distance, with optional guide lights for visual confirmation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional non-contact temperature measurement devices use infrared radiation to measure object temperature, then the measurement is non-contact and non-destructive, but the accuracy deteriorates when measuring glass objects because infrared waves deflect or pass through the object
Solution Approach 1:
The patent introduces an intermediary substance (haze-inducing agent such as salt solution, milk, or specialized coating) applied to the glass object surface. This intermediary converts the transparent glass surface into a diffuse reflector that scatters infrared radiation, enabling the non-contact temperature sensor to accurately measure the temperature of the glass object without direct contact, thus resolving the contradiction between non-contact measurement capability and measurement accuracy.
2Ease of operation
If conventional distance measurement devices use infrared waves to measure distance to glass objects, then the measurement is non-contact, but the accuracy deteriorates because infrared waves pass through or deflect from the object
Solution Approach 1:
The same haze-inducing intermediary substance applied to the glass object surface also serves as a mediator for distance measurement. It creates a visible and infrared-scattering surface that enables both the distance sensor and temperature sensor to accurately detect the object's position and temperature without direct contact, simultaneously resolving both measurement accuracy issues.
3Stability of the object's composition
If the object has rounded and angled shapes, then the object can be heated uniformly, but the distance measurement becomes inaccurate because conventional devices cannot accurately measure distance to curved surfaces
Solution Approach 1:
The haze-inducing intermediary creates a uniform scattering surface across the entire glass object, including curved and angled regions. This standardized surface interaction enables the distance sensor to accurately measure distance to any part of the object's surface, regardless of shape complexity, while maintaining the object's ability to be heated uniformly.
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
Accurately measures the actual temperature and distance of heated glass objects, providing precise control over heating processes by integrating thermal imaging, pixel analysis, and Newton's correction for heat transfer, ensuring reliable temperature and distance measurements.
Implementation Method 1
Objects with a temperature above absolute zero emit electromagnetic radiation from their surface, that is proportional to their temperature. This radiation includes various measurable electromagnetic waves. And conventional non-contact temperature measurement devices can measure the object's infrared radiation since the infrared radiation is emitted into the surrounding atmosphere.
Implementation Method 2
A non-contact type temperature sensor measures the hottest temperature on a specific region of the object... thermal imaging... Newton's correction for heat transfer
Data Source
AI summary
A contact/non-contact temperature & distance sensor device having a light guidance system, a distance measurement unit, a non-contact type measurement unit, a contact type measurement unit, and a calculating unit that determines an object's actual hottest temperature in a particular region by (i) comparing the measured ambient air temperature to the measured hottest temperature in the object's particular region, and (ii) adjusting the measured hottest temperature in relation to the measured distance to determine the object's actual hottest temperature.