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CT detector system

A detector and top cover technology, applied in the field of computed tomography imaging devices, can solve the problems of complex mechanical structure and high manufacturing cost

Active Publication Date: 2016-04-06
THE MILITARY GENERAL HOSPITAL OF BEIJING PLA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the traditional CT detector system needs to design a cooling air duct on the main structure, the mechanical structure is complicated, and the manufacturing cost is high

Method used

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Embodiment Construction

[0027] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] see figure 2 , a CT detector system 100 of an embodiment includes an installation housing 10 , a detection and collection module 20 and an air intake assembly 30 .

[0029] The mounting case 10 includes a bottom plate 110 and a top cover 120 . The top cover 120 is covered on the bottom plate 110 , and an installation cavity is formed between the top cover 120 and the bottom plate 110 . The detection and acquisition module 20 is arranged in the installation cavity. The air intake module 30 is disposed outside the top cover 120 .

[0030] Please also refer to image 3 , the top cover 12...

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Abstract

A CT detector system comprises an installation shell, a detection and collection module set and an air inlet assembly. The installation shell comprises a bottom plate and a top cover. The top cover covers the bottom plate. An installation cavity is formed between the top cover and the bottom plate. An air outlet is formed in the top cover. The air inlet assembly is installed on one side of the top cover and blows air into the installation shell. The detection and collection module set is installed on the inner wall of the top cover and comprises densely-arranged detection and collection modules. Each data collection module of the detection and collection module set is opposite to the air inlet assembly. According to the CT detector system, the data collection modules are opposite to the air inlet assembly, air introduced by the air inlet assembly can directly cool heating electronic devices of the data collection modules, and then air flows out from the air outlet in the top cover, so that heat inside the CT detector system is brought out; due to the fact that the heating electronic devices of the data collection modules are directly exposed in the air, the cooling efficiency is high, no cooling air flue needs to be designed, and the mechanical structure is simple.

Description

technical field [0001] The invention relates to the field of computerized tomography imaging devices, in particular to a CT detector system. Background technique [0002] The schematic diagram of the computer tomography imaging device (computedtomography, CT) is as follows: figure 1 As shown, the X-ray source 1 and the detector system 2 are fixed on the turntable 3 , the turntable 3 rotates around the center, and the human body 4 to be measured is located between the X-ray source 1 and the detector system 2 . [0003] When the CT detector system is working, the chip on the data acquisition module will generate a lot of heat, which makes the internal temperature of the CT detector system rise continuously. The photodiode of the detector module is an important device to realize photoelectric conversion, and its internal dark current will increase by 15% every time its temperature rises by 1 degree Celsius. At the same time, high temperature will also affect the service life ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03
Inventor 徐如祥杨磊代秋声高飞
Owner THE MILITARY GENERAL HOSPITAL OF BEIJING PLA