A Synchrotron High-Frequency System and Its Frequency and Cavity Pressure Regulation Method

A synchrotron, high-frequency technology, applied in the direction of magnetic resonance accelerators, accelerators, electrical components, etc., can solve the problems of large amount of control, high cost, and difficult control, and achieve precise regulation, continuous regulation, and meet different needs. Effect

Active Publication Date: 2020-07-17
SHANGHAI AIPUQIANG PARTICLE EQUIP
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Problems solved by technology

Therefore, the existing high-frequency system has the following disadvantages: a large number of devices, a large amount of control, difficult control, and relatively high cost

Method used

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  • A Synchrotron High-Frequency System and Its Frequency and Cavity Pressure Regulation Method
  • A Synchrotron High-Frequency System and Its Frequency and Cavity Pressure Regulation Method
  • A Synchrotron High-Frequency System and Its Frequency and Cavity Pressure Regulation Method

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Embodiment Construction

[0065] Below in conjunction with the drawings, preferred embodiments of the present invention are given and described in detail.

[0066] Such as figure 1 As shown, one of the present invention is a synchrotron high-frequency system, which is applied in a proton therapy medical accelerator, and includes: an all-solid-state amplifier (SSA) 1, a coaxial resonator connected to the output end of the all-solid-state amplifier 1 Cavity 2, a low-level controller (LLRF) 3 connected between the output terminal of the coaxial resonant cavity 2 and the input terminal of the all-solid-state amplifier 1 .

[0067] Such as figure 2 As shown, the all-solid-state amplifier 1 is used as a broadband untuned high-frequency power source to provide high frequency power signal, which includes:

[0068] A pre-amplifier 11, which is connected to the low-level controller 3 to receive the synthesized signal output by the low-level controller 3;

[0069] A first power divider 12 and a second power ...

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Abstract

The invention relates to a synchrotron high-frequency system and a frequency and cavity pressure regulating method thereof, wherein the system comprises: an all-solid-state amplifier; a coaxial resonant cavity loaded by a soft magnetic alloy material; and a low-level controller. The low-level controller comprises: a clock network module; an analog-to-digital converter; a digital processor; a digital-to-analog conversion module; and a signal synthesis module. The synchrotron high-frequency system adjusts the frequency of a synthesized signal provided for the all-solid-state amplifier accordingto preset reference frequency information, and performs feedback adjustment on the amplitude phase of the synthesized signal provided for the all-solid-state amplifier according to preset cavity pressure reference amplitude phase information and the cavity pressure actual amplitude phase information (loaded in an RF signal output from the coaxial resonant cavity) in the coaxial resonant cavity, thereby achieving fast and precise continuous regulation of the frequency and cavity pressure of the coaxial resonant cavity, achieving acceleration control of protons, and meeting the different protonspeed needs for different symptoms.

Description

technical field [0001] The invention relates to a proton-type synchrotron, in particular to a high-frequency system of a synchrotron and a method for regulating its frequency and cavity pressure. Background technique [0002] Since China entered the 21st century, with the rapid development of social economy and the substantial improvement of people's quality of life, the medical and health conditions in our country have also been further improved. However, cancer has gradually become the number one factor threatening human life and health, especially in developing countries, such as China, where its incidence rate is increasing year by year. Among them, in 2012, there were 3.07 million new cancer patients in China and about 2.2 million deaths, accounting for 21.9% and 26.8% of the total number of cancer patients in the world, and the mortality rate reached 71.66%. With the continuous application of new technologies, new methods and new equipment, people are constantly explo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H13/04
CPCH05H13/04
Inventor 张文志赵玉彬赵申杰郑湘徐凯张志刚常强赵振堂
Owner SHANGHAI AIPUQIANG PARTICLE EQUIP
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