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High voltage generator reliability test system and method

A technology of high-voltage generators and testing systems, which is applied in environmental/reliability testing, instruments, and measuring electronics. It can solve problems such as complex reliability issues, complex structures of large-scale medical imaging equipment, and small overall scale, so as to ensure normal operation. running effect

Pending Publication Date: 2021-08-10
上海市医疗器械检验研究院
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Problems solved by technology

[0003] Due to the complex structure of large-scale medical imaging equipment and involving many disciplines, its reliability issues are very complicated. There are few existing institutions engaged in related reliability research, and the overall scale of related enterprises is not large, and reliability research is weak. Equipment reliability is very important

Method used

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Effect test

Embodiment 1

[0051] An embodiment of the present invention, such as figure 1 As shown, the present invention provides a high-voltage generator reliability testing system, including a high-voltage generator 1 , a simulated load, a host computer 2 and a high-voltage divider 3 .

[0052] The simulated load is connected to the high-voltage generator 1; the host computer 2 is connected to the high-voltage generator 1 to set the output voltage of the high-voltage generator 1.

[0053] The high-voltage divider 3 is connected with the high-voltage generator 1 for measuring the actual output voltage of the high-voltage generator 1 .

[0054] By connecting the high-voltage generator 1 to the analog load, and connecting the host computer 2 to the high-voltage generator 1, the output voltage of the high-voltage generator can be set through the host computer 2, and then the high-voltage divider 3 is connected to the high-voltage generator 1, The actual output voltage of the high-voltage generator 1 ca...

Embodiment 2

[0056] An embodiment of the present invention, such as figure 1As shown, on the basis of Embodiment 1, the high-voltage generator 1 includes an inverter 11 and a high-voltage fuel tank 12; the inverter 11 is connected to the upper computer 2 through a system simulator 4; the output end of the high-voltage fuel tank 12 is connected to a simulated load .

[0057] Specifically, the inverter 11 can be connected to the system simulator 4 through a USB cable, and the system simulator 4 can be connected to the host computer 2 through a serial port, so that the output voltage of the high-voltage generator 1 can be set through the host computer 2. The specific control method can be In order to set the parameters of the output voltage, configure the parameters through the host computer to realize the control of the output voltage.

[0058] Preferably, the high-voltage fuel tank 12 is provided with a high-voltage anode lead-out cable and a high-voltage cathode lead-out cable, and there ...

Embodiment 3

[0063] An embodiment of the present invention, such as figure 1 As shown, on the basis of Embodiment 2, the high-voltage generator reliability test system provided by the present invention also includes a high-pressure oil cooling load 7, and the high-pressure oil cooling load 7 is connected to the high-voltage oil tank through the high-voltage anode lead-out cable and the high-voltage cathode lead-out cable. 12 connections.

[0064] Preferably, the high-pressure oil cooling load 7 is connected to an oil-water heat exchanger 8 through a circulating oil pipe, and the oil-water heat exchanger 8 is connected to a water cooler 9 through a circulating water pipe.

[0065] Specifically, by setting the high-pressure oil cooling load 7, the high-pressure oil cooling load 7 is connected to the high-pressure oil tank 12 through the high-voltage anode lead-out cable and the high-voltage cathode lead-out cable, and the high-pressure oil cooling load 7 is connected to the oil-water heat ex...

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Abstract

The invention provides a high voltage generator reliability test system and method. The system comprises a high voltage generator; a simulated load connected with the high voltage generator; an upper computer connected with the high voltage generator and used for setting the output voltage of the high voltage generator; and a high voltage divider connected with the high voltage generator and used for measuring the actual output voltage of the high voltage generator. The method comprises the following steps of: connecting the high voltage generator with the simulated load; setting the output voltage of the high voltage generator through the upper computer; measuring the actual output voltage of the high voltage generator through the high voltage divider; and comparing the actual output voltage with the set output voltage, and judging the reliability of the high voltage generator. According to the scheme, the accuracy and reliability of the output voltage of the high voltage generator can be tested, so that normal operation of large medical imaging equipment is ensured.

Description

technical field [0001] The invention relates to the technical field of high-voltage generators, in particular to a high-voltage generator reliability testing system and method. Background technique [0002] Large-scale medical imaging equipment, such as magnetic resonance imaging (MRI), CT, PETCT, etc., is an imaging technology that uses the resonance characteristics of biological magnetic nuclei in a magnetic field for imaging. It has no ionizing radiation, no damage, high resolution, high Contrast, multi-parameter imaging, and cross-sectional imaging in any direction have been widely used in the field of medical imaging. High voltage generators are an important part of large medical imaging equipment and are used to output high voltage. [0003] Due to the complex structure of large-scale medical imaging equipment and involving many disciplines, its reliability issues are very complicated. There are few existing institutions engaged in related reliability research, and th...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/003
Inventor 杨煜胡晟刘勋贺飞
Owner 上海市医疗器械检验研究院
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