Betatron Removable Accelerator Block Design
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Solution Overview
Problem
Existing betatrons require complex and labor-intensive maintenance processes due to the need to move large masses and dismantle lead shielding to access the accelerator block, which complicates maintenance and repair.
Innovation Solution
A betatron design featuring a rotationally symmetrical inner yoke with a removable accelerator block, where the outer yoke has lateral openings that allow for translational or rotational movement, enabling easy access and removal of the block without disassembling the lead shielding, using a guide rail and elastic elements for precise positioning and automatic opening/closing of the outer yoke.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the accelerator block is integrated into a fixed betatron structure with complete lead shielding, then radiation protection is ensured, but maintenance and repair become complex and labor-intensive requiring dismantling of shielding and movement of large masses
Solution Approach 1:
The betatron is divided into modular components: a removable accelerator block and a stationary outer yoke with integrated lead shielding. This segmentation allows the accelerator block to be independently removed for maintenance without dismantling the radiation shielding, resolving the contradiction between maintaining radiation protection and simplifying repair procedures
Solution Approach 2:
The accelerator block is extracted as a separate removable component from the betatron structure. The outer yoke with lead shielding remains stationary while the accelerator block can be removed through a lateral opening, enabling maintenance without compromising radiation protection or requiring movement of large shielded masses
2Strength
If the outer yoke is designed as a single fixed piece, then structural integrity and magnetic circuit closure are maintained, but access to the accelerator block requires moving large masses and complex disassembly
Solution Approach 1:
The outer yoke is segmented into at least two parts that can be moved relative to each other to create a lateral opening. This allows the accelerator block to be accessed and removed while maintaining structural integrity during operation, as the segments can be reassembled to close the magnetic circuit
Solution Approach 2:
The outer yoke transitions from a static fixed structure to a dynamic structure where segments can be moved relative to each other. This dynamic capability enables easy access to the accelerator block for maintenance while maintaining structural integrity and magnetic circuit closure during normal operation
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
Simplifies maintenance and repair by allowing the accelerator block to be removed laterally through a side opening, reducing the need for extensive dismantling and manual intervention, thus streamlining the maintenance process while maintaining the magnetic circuit integrity.
Implementation Method 1
A magnetic field is generated in the inner yoke by means of two main field coils
Implementation Method 2
the magnetic field generated by the main field coil forces the electrons to follow a circular path
Implementation Method 3
A change in this magnetic field creates an electric field that accelerates the electrons in their orbit
Implementation Method 4
The accelerated electrons are directed onto a target, where they generate bremsstrahlung when they hit the target, the spectrum of which depends, among other things, on the energy of the electrons
Implementation Method 5
The betatron has at least one elastic element for moving the outer yoke from the closed to the open position
Data Source
Figure 1
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Figure 3
AI summary
Disclosed is a betatron (1), particularly in an x-ray inspection station, comprising an accelerator block that is provided with a rotationally symmetrical inner yoke composed of two spaced-apart pieces (2a, 2b), at least one main field coil (6a, 6b), and a toroidal betatron tube (5) which is disposed between the pieces (2a, 2b) of the inner yoke. The betatron (1) further comprises an outer yoke (4) which embraces the accelerator block, connects the two pieces (2a, 2b) of the inner yoke, and has at least one lateral opening, as well as a lead shield that accommodates the accelerator block and the outer yoke. The outer yoke is composed of at least two parts which are movable relative to one another between an open and a closed position. The accelerator block can be laterally removed from the opening of the outer yoke that is in the open position.