Device for preventing coolant material of an X-ray unit from evaporating when being overheated

An evaporation device and coolant technology, which is applied in medical science, instruments for radiological diagnosis, diagnosis, etc., can solve the problems of reducing the effective heat transfer area, large heat generation, overheating of X-ray tubes, etc., and achieves good cooling effect, The effect of prolonging the service life and suppressing evaporation

Active Publication Date: 2012-11-21
MING WEI MEDICAL TECH SUZHOU
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because of the huge heat generation, the liquid coolant is heated to the boiling point and evaporates. The evaporated gas coolant will greatly reduce the effective heat transfer area and reduce the contact between the liquid coolant and the heat transfer surface, thus seriously affecting the cooling of the X-ray tube. X-ray tube overheating

Method used

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  • Device for preventing coolant material of an X-ray unit from evaporating when being overheated

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings, so that those of ordinary skill in the art can implement it after referring to this specification.

[0019] The boiling point of liquid coolant is determined by the static pressure of the liquid, the lower the static pressure, the lower the boiling point and the easier the liquid evaporates. When the X-ray machine is working, the X-ray tube rotates around the system axis 2, and the rotational centrifugal force acceleration is much greater than the gravitational acceleration, so the hydrostatic pressure depends on the rotational centrifugal force. The centrifugal force at a certain point in the rotating body is proportional to the distance between this point and the center of rotation. Therefore, the static pressure in the output window area 3, which is closest to the system axis and under strong thermal load, is the smallest. In order to suppress the tendency of air bubbl...

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Abstract

The invention discloses a device for preventing coolant material of an X-ray unit from evaporating when being overheated. The device comprises a fluid accommodating cavity filled with liquid coolant material and communicated with a coolant material inlet pipeline of the X-ray unit through a liquid path, a first container, a second container, a temperature sensor, a driving mechanism and a control module; the bottoms of the first container and the second container are connected through a flexible connecting pipe and communicated through a liquid path; the first container and the second container are filled with liquid heavy metal and used for applying pressure onto the liquid coolant material; the first container is positioned above the fluid accommodating cavity; the second container is connected with a fixed rod through bolts; the temperature sensor is used for inducing the temperature of the X-ray unit; the control module receives signals from the temperature sensor and controls the driving mechanism; and the driving mechanism is connected with the second container and drives the second container to move up and down along the fixed rod. The device for preventing coolant material of the X-ray unit from evaporating when being overheated has a good cooling effect; and the service life of the X-ray unit is prolonged.

Description

technical field [0001] The invention relates to a medical device, in particular to an X-ray machine anti-coolant overheating evaporation device. Background technique [0002] Nearly 100% of the energy used to generate X-rays in the X-ray machine is converted into heat, which is discharged from the ray tube by the liquid cooling medium. Because of the huge heat generation, the liquid coolant is heated to the boiling point and evaporates. The evaporated gas coolant will greatly reduce the effective heat transfer area and reduce the contact between the liquid coolant and the heat transfer surface, thus seriously affecting the cooling of the X-ray tube. cause the X-ray tube to overheat. Contents of the invention [0003] The object of the present invention is to provide an X-ray machine anti-coolant overheating evaporation device, which can suppress the generation of bubbles in the output window area, increase the static pressure of the liquid, and suppress the evaporation of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00
Inventor 范韶锋
Owner MING WEI MEDICAL TECH SUZHOU
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