Arc type multifocal fixed anode grid control radiation source

摘要

The present invention includes an arc-shaped radiation source housing, a radiation tube bracket, a plurality of fixed anodic reflective radiation tubes, and a plurality of grid control switches, wherein the plurality of fixed anodic reflective radiation tubes are fixed to the arc-shaped radiation source housing through the radiation tube bracket, and the plurality of The focal points of the fixed anode reflective radiation tubes are distributed on the same distribution circle, and a plurality of grid control switches provide an arc-shaped multifocal fixed anode grid control radiation source correspondingly connected to the plurality of fixed anode reflective radiation tubes. By forming the plurality of arc-shaped multifocal fixed anode grid control radiation sources into a single pull ring structure, foci of all the fixed anode reflective radiation tubes among them can be distributed on the same distribution circle. The arc-shaped multifocal fixed anode grid-controlled radiation source has a simple structure, low cost, and can generate radiation of sufficient intensity, and a sufficient number of focuses can be distributed in the circumferential direction.