Pyrometer Calibration Blackbody with Transparent Blocking Plate
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Solution Overview
Problem
Conventional calibrating apparatuses for pyrometers take too long to reach the desired temperature due to poor heat exchange and insulation, leading to slow temperature stabilization and increased risk of foreign substance introduction.
Innovation Solution
The apparatus includes a blackbody with a radiant space, a body housing, a light output wall protecting cover with a transparent blocking plate that allows for a separation space to enhance heat exchange, and a fixing member to secure the cover, enabling rapid temperature increase and minimizing foreign substance introduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the light output port is opened without a transparent blocking plate to improve heat exchange, then the temperature increase speed is improved, but foreign substances may enter the blackbody
Solution Approach 1:
A transparent blocking plate is introduced as an intermediary component between the blackbody radiant space and the external environment. This plate allows radiant energy to pass through while blocking foreign substances, thus maintaining both fast temperature response and contamination protection
2Reliability
If the blackbody is completely sealed to prevent foreign substance introduction, then reliability is improved, but heat exchange with outside is reduced causing slow temperature increase
Solution Approach 1:
The blocking structure is applied locally only where needed for protection, rather than completely sealing the blackbody. The transparent blocking plate is positioned specifically at the light output port area, allowing radiant energy transmission while providing localized protection against foreign substance contamination
3Reliability
If a transparent blocking plate is provided to prevent foreign substance introduction, then reliability is improved, but heat exchange is blocked causing slow temperature increase
Solution Approach 1:
The transparent blocking plate is made of material with specific optical transmission properties that allow infrared radiant energy to pass through while blocking visible light and foreign substances. This selective transparency maintains heat exchange efficiency through radiation while providing protection
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 design reduces the time required to reach the reference temperature and stabilizes the blackbody temperature quickly, while preventing foreign substances from entering the system.
Implementation Method 1
a blackbody 110 therein, and radiant energy radiated from a radiant space S in the blackbody 110
Implementation Method 2
a light output wall protecting cover configured to be coupled with the light output wall of the body housing so as to define a passage connecting the light output wall of the body housing and an outside environment
Data Source
AI summary
Disclosed is a calibrating apparatus which is adapted to remove a measurement deviation of a pyrometer, and more particularly, to an apparatus for calibrating a pyrometer, which calibrates a reference value so as to remove a deviation in a temperature measured in a pyrometer. The apparatus for calibrating a pyrometer includes a blackbody including a radiant space from which radiant energy is radiated, a body housing configured to receive the blackbody therein and including a light output wall having a light output port connected with the radiant space, a light output wall protecting cover configured to be coupled with the light output wall of the body housing so as to define a passage connecting the light output wall of the body housing and an outside environment, and a fixing member configured to fix the light output wall protecting cover to the light output wall of the body housing.