X-ray Inspection System Thermal Management via Sealed Cooling Loop
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Solution Overview
Problem
X-ray inspection systems face significant temperature rises due to the X-ray tube, which can cause malfunctions in nearby circuit components and dust contamination from external air used for cooling, leading to short circuits and other issues.
Innovation Solution
An X-ray inspection system with a cooling container housing the X-ray source and a heat radiating device outside the housing, utilizing a circulating cooling medium to dissipate heat and maintain a cooler internal environment, allowing circuit components to be safely placed near the X-ray source.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the circuit board is placed near the X-ray generator, then the device complexity is reduced, but the temperature of circuit components increases causing malfunction risk
Solution Approach 1:
The housing is divided into a first housing space containing the X-ray generator and a second housing space containing circuit components. This spatial segmentation allows the X-ray generator and circuit components to be physically separated, reducing thermal interference while maintaining integrated system functionality.
Solution Approach 2:
A heat dissipation device is introduced as an intermediary element between the X-ray generator and the circuit components. This heat dissipation device actively manages thermal energy transfer, preventing excessive heat from reaching sensitive circuit components while allowing the system to remain compact.
2Temperature
If air is introduced from outside for cooling, then the X-ray irradiation part is cooled, but dust enters causing short circuit in control board
Solution Approach 1:
The housing spaces are sealed to create a controlled internal environment that is isolated from external contaminants. This sealed environment prevents dust and other particulates from entering the housing spaces, protecting the control board and other sensitive components from contamination while maintaining effective cooling.
3Ease of operation
If the control board is placed in the upper housing space, then the installation location is flexible, but the air flow is blocked causing insufficient cooling
Solution Approach 1:
The housing is segmented into distinct functional spaces: the first housing space for the X-ray generator, the second housing space for circuit components, and a dedicated heat dissipation space. This segmentation allows the control board to be installed in the second housing space away from the X-ray generator, providing installation flexibility while maintaining unobstructed air flow paths for effective cooling of the X-ray irradiation part.
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
Effectively suppresses temperature rises in the system, preventing component malfunctions and dust contamination, enabling stable operation and improved display quality by maintaining a controlled environment for sensitive components.
Implementation Method 1
a cooling container housing the X-ray source... a pump for circulating a cooling medium between the inside of the cooling container and the heat radiating device
Implementation Method 2
a heat radiating device... placed outside the upper housing space
Implementation Method 3
a pump for circulating a cooling medium between the inside of the cooling container and the heat radiating device
Data Source
Figure 1
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AI summary
[Problem] To provide an X-ray inspection system capable of blocking the effect of heat from an X-ray source, thereby making it possible to place a heat-sensitive circuit component in the same housing space as the X-ray source. [Solution] A housing 10 is provided with an upper housing space 11, in which an X-ray source 32 housed in a cooling container 30 is placed. Owing to pressure of a pump 36, a cooling medium circulates between the cooling container 30 and a heat radiating device 33, suppressing the temperature rise of the cooling container 30. Since the cooling container 30 is placed in the upper housing space 11, the upper housing space 11 serves as a cooling space, suppressing the temperature rise. Therefore, heat-sensitive or heat-producing circuit components can be placed in the upper housing space 11.