X-Ray Generator Electron Deflection for Discharge Protection
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Solution Overview
Problem
Discharge between the cathode electrode and the adjustment electrode in an X-ray generator can lead to excessive electron emission, damaging the target due to uncontrolled electron incidence.
Innovation Solution
An X-ray generator with a discharge detection unit and a deflection switching unit that adjusts the trajectory of electrons to divert the focal position from its normal operation position during discharge detection, preventing target damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If discharge detection between cathode electrode and adjustment electrode is implemented, then target damage can be prevented, but device complexity increases
Solution Approach 1:
The discharge detection unit monitors for discharge conditions before excessive electron emission can damage the target. The deflection switching unit pre-prepared electron trajectory switching capability allows immediate response to discharge detection, preventing target damage while maintaining simple control logic through predetermined response actions.
2Reliability
If electron trajectory is deflected during discharge, then target damage is avoided, but X-ray generation efficiency decreases
Solution Approach 1:
The deflection switching unit switches the electron trajectory away from the target during discharge conditions, creating a counter-action that prevents the harmful effect of uncontrolled electron emission. This preliminary anti-action protects the target from damage while the discharge detection unit ensures the deflection is only activated when necessary, minimizing impact on overall X-ray generation efficiency.
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
Enables continuous appropriate X-ray generation even when discharge occurs between the cathode and adjustment electrodes, by avoiding excessive electron incidence on the target.
Implementation Method 1
a cathode electrode configured to emit electrons
Implementation Method 2
a deflection switching unit configured to switch a deflection state of the electrons directed toward the target such that a focal position of the electrons on the target during discharge detection deviates from the focal position of the electrons on the target during normal operation
Implementation Method 3
a target configured to generate an X-ray by incidence of the electrons
Data Source
AI summary
An X-ray generator includes: a cathode electrode configured to emit electrons; an adjustment electrode configured to adjust an amount of electrons emitted from the cathode electrode; a control electrode configured to control a trajectory of the electrons from the cathode electrode; a target configured to generate an X-ray by incidence of the electrons; a discharge detection unit configured to detect discharge between the cathode electrode and the adjustment electrode; and a deflection switching unit configured to switch a deflection state of the electrons E directed toward the target such that a focal position of the electrons on the target during discharge detection deviates from the focal position of the electrons E on the target during normal operation.