Importance

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Abstract

The present application provides a combined machine head and a ray imaging device, wherein the combined machine head comprises: a housing, having an enclosed cavity; a ray tube, arranged in the enclosed cavity; and a pump and a pipe, arranged in the enclosed cavity; wherein the pump is arranged on one side away from an anode of the ray tube, the pipe has one end connected with an outlet of the pump and another end extending to be near the anode of the ray tube; or the pump is arranged near the anode of the ray tube, the pipe has one end connected to an inlet of the pump and another end extending to one side away from the anode of the ray tube. In the present application, when the pump works, insulation medium at positions away from the anode is drawn to the vicinity of the anode, and the insulation medium in the enclosed cavity is driven to cycle, so as to gradually reduce the temperature difference between the position of the anode and other positions, allowing the temperature gradient of the insulation medium in the enclosed cavity to be distributed more uniformly.

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First Claim