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High voltage generation device of medical high-frequency high voltage generator

A high-frequency and high-voltage, generating device technology, which is used in conversion equipment that can be converted to DC without intermediate conversion, and irreversible AC power input is converted into DC power output. Wear and other problems, to achieve the effect of improving clarity, good load characteristics, and reducing damage

Inactive Publication Date: 2010-06-23
上海东沪电力设备有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) It will delay the control of the entire feedback loop and affect the control accuracy. Therefore, it is easy to generate voltage overshoot at the high-voltage output end, causing high-voltage impact on the cable and the bulb. In severe cases, the cable may even be broken down, threatening safety of X-ray tubes;
[0007] (2) The load characteristics are not good (the output internal resistance is relatively large), and the obtained high voltage cannot provide stable high current output
However, it is expensive and cannot be used in the X-ray diagnostic equipment of my country's new rural medical security system.

Method used

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  • High voltage generation device of medical high-frequency high voltage generator
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Embodiment Construction

[0026] The present invention will be further described below in conjunction with accompanying drawing.

[0027] Such as Figure 1-10 As shown, a high-voltage generating device of a medical high-frequency high-voltage generator includes an oil tank 1, a high-voltage main transformer 2, a small-focus filament transformer 3, a large-focus filament transformer 4, and a high-voltage rectifying plate connected to the output lead of the high-voltage main transformer 2 5. High-voltage partial pressure sampling plate 6, external wire seat 7, high-voltage cable socket 8, oil hole cover 9, the inner cavity of the fuel tank 1 is provided with a main bracket 10, and the upper part of the inner cavity is equipped with an upper bracket 11. The high-voltage main transformer 2 is arranged in the middle of the main bracket 10, the small-focus filament transformer 3 and the large-focus filament transformer 4 are arranged on the upper bracket 11, and the upper tank surface of the oil tank 1 is pr...

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Abstract

The invention discloses a high voltage generation device of a medical high-frequency high voltage generator, which comprises an oil tank, a high voltage main transformer, a small focus filament transformer, a big focus filament transformer, a high voltage rectifying plate connected with the output lead of the high voltage transformer, a high voltage dividing and sampling plate, an external wire holder, a high voltage cable socket and an oil hole cover. A main bracket is arranged in the inner cavity of the oil tank, an upper bracket is arranged at the upper part of the inner cavity; the high voltage main transformer is arranged at the middle part of the main bracket; the small focus filament transformer and the big focus filament transformer are arranged on the upper bracket; an oil hole and a breathing hole are arranged on the upper side of the oil tank; the high voltage rectifying plate is fixed at the lower part of the main bracket; the high voltage dividing and sampling plate is arranged at the outer side of the high voltage rectifying plate and is fixed at the lower part of the main bracket; both the external wire holder and the high voltage cable socket are arranged on the upper side of the oil tank; and the oil hole cover covers the oil hole. The DC high voltage outputted by the high voltage generation device is stable and has small ripple wave and high performance-price ratio.

Description

technical field [0001] The invention relates to a high-frequency and high-voltage generator, in particular to a high-voltage generating device of a medical high-frequency and high-voltage generator. Background technique [0002] High voltage generator is one of the main components in X-ray equipment. The high-voltage generator provides high voltage for the X-ray tube, and at the same time provides the filament heating voltage for the X-ray tube. To realize the first function, the AC high voltage output by the high-voltage transformer needs to be converted into the DC high voltage required for the X-ray tube to work through the rectifier element. , to achieve the second function requires a filament heating transformer. [0003] At present, my country's medical industry uses the following three technical grades of high-voltage generators in medical X-ray diagnostic equipment above 200mA: [0004] 1. The low-end X-ray diagnostic equipment adopts a 50Hz power frequency high vo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/10H02M7/04
Inventor 严智渊张家榕
Owner 上海东沪电力设备有限公司
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