X-ray Generator Device Holder Thermal Expansion Alignment
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Solution Overview
Problem
Existing X-ray generators face misalignment issues due to thermal expansion, leading to changes in the X-ray generation position and output intensity, particularly when using devices like poly-capillaries, which are not effectively addressed by current temperature control systems that increase system complexity and cost.
Innovation Solution
An X-ray generator design featuring a device holder with a fixed-base and a supporting extension that thermally expands in the same direction as the target unit, maintaining alignment between the X-ray generation position and the radiation area controller, using a cantilever-like structure to minimize positional changes during temperature fluctuations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If temperature control systems are used to suppress thermal expansion, then alignment stability is improved, but device complexity and cost increase
Solution Approach 1:
The device holder is designed to utilize thermal expansion of its supporting components to automatically compensate for the thermal deformation of the anode. As the anode expands due to heating, the supporting structure of the device holder expands in a coordinated manner to maintain the relative positional relationship between the X-ray generation position and the radiation area controller, eliminating the need for active temperature control systems.
2Stability of the object's composition
If the X-ray radiation area controller is fixed to the housing, then structural stability is improved, but alignment is lost due to thermal expansion of the anode
Solution Approach 1:
The device holder employs a dynamic supporting structure with extensions that can adaptively adjust to thermal expansion. The supporting extensions are designed with specific geometric configurations that allow them to expand and shift position in response to thermal changes, enabling the radiation area controller to maintain precise alignment with the moving X-ray generation position while remaining structurally integrated with the housing.
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 configuration suppresses changes in relative position and output intensity, enabling high-precision fluorescent X-ray analysis with a simpler and more cost-effective setup by ensuring the X-ray radiation area controller remains aligned with the X-ray generation position despite thermal expansion.
Implementation Method 1
a supporting extension extending from the fixed-base in a protrusion direction of the target unit and supporting the X-ray radiation area controller... the supporting extension thermally expands in the same direction as the thermal expansion of the target unit
Data Source
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AI summary
The present invention provides an X-ray generator including an X-ray tube 2 radiating primary X-rays X1 to a specimen S, a housing 3 accommodating the X-ray tube 2, an X-ray radiation area controller 4 limiting the radiation area of the primary X-rays X1 from the X-ray tube 2 to the specimen S, and a device holder 5 holding the X-ray radiation area controller 4 with respect to the housing 3. The X-ray tube includes a case 6, an electron ray source 7 generating electron rays, and a target unit 8 having a base fixed to the case and receiving electron rays through a protruding free end. The device holder has a fixed-base 5a fixed to the housing, directly under the base of the target unit, and a supporting extension 5b extending from the fixed-base in the protrusion direction of the target unit and supporting the X-ray radiation area controller.