CN201349359Y - High-frequency changing-harmonic synchronous acceleration control device - Google Patents
High-frequency changing-harmonic synchronous acceleration control device Download PDFInfo
- Publication number
- CN201349359Y CN201349359Y CN 200920000739 CN200920000739U CN201349359Y CN 201349359 Y CN201349359 Y CN 201349359Y CN 200920000739 CN200920000739 CN 200920000739 CN 200920000739 U CN200920000739 U CN 200920000739U CN 201349359 Y CN201349359 Y CN 201349359Y
- Authority
- CN
- China
- Prior art keywords
- frequency
- detection circuit
- phase detection
- circuit
- modulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 17
- 230000001133 acceleration Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000010363 phase shift Effects 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 abstract description 20
- 206010028980 Neoplasm Diseases 0.000 abstract description 7
- 201000011510 cancer Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 3
- 238000010884 ion-beam technique Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011275 oncology therapy Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Landscapes
- Particle Accelerators (AREA)
Abstract
本实用新型涉及质子－重离子治癌同步加速器中加速离子的高频变谐波同步加速的控制装置。包括有PC机(1)，PC机(1)上的直接数字频率合成器(2)与分配器(4)相接，分配器(4)的输出口分别与第一相位检测电路(5)、控制放大器(6)和第二相位检测电路(14)相接，控制放大器(6)通过前置放大器(10)与高频发射机(11)相接，高频腔(12)与高频发射机(11)相连；数模转换器(3)分别与调制器(9)和第二相位检测电路(14)相接，调制器(9)分别与高频发射机(11)、高频腔(12)、第二相位检测电路(14)相接，其能够快速的变频，改变谐波次数，满足了实际使用中的需要，其结构简单，操作方便。
The utility model relates to a control device for high-frequency variable harmonic synchronous acceleration of accelerated ions in a proton-heavy ion synchronous accelerator for treating cancer. Including a PC (1), the direct digital frequency synthesizer (2) on the PC (1) is connected with the distributor (4), and the output port of the distributor (4) is respectively connected with the first phase detection circuit (5) , the control amplifier (6) is connected with the second phase detection circuit (14), the control amplifier (6) is connected with the high-frequency transmitter (11) through the preamplifier (10), and the high-frequency cavity (12) is connected with the high-frequency The transmitter (11) is connected; the digital-to-analog converter (3) is connected with the modulator (9) and the second phase detection circuit (14) respectively, and the modulator (9) is respectively connected with the high-frequency transmitter (11), the high-frequency The cavity (12) and the second phase detection circuit (14) are connected, and it can change the frequency quickly and change the harmonic order, which meets the needs in actual use, and has a simple structure and convenient operation.
Description
技术领域： Technical field:
本实用新型涉及质子-重离子治癌同步加速器中加速离子的方法技术领域，具体涉及一种高频变谐波同步加速的控制装置。The utility model relates to the technical field of a method for accelerating ions in a synchronous accelerator for proton-heavy ion cancer treatment, in particular to a control device for synchronous acceleration with high-frequency variable harmonics.
背景技术： Background technique:
重离子在束照射中具有倒转的深度剂量分布(Bragg峰)、侧向散射小、较高的相对生物学效应(RBE)和低的氧增比(OER)等特点，使重离子束治癌成为当今国际上先进有效的癌症放射治疗方法。目前，初步临床治疗试验研究结果显示重离子束治癌具有非常显著的疗效，且没有明显的毒副作用。Heavy ions have the characteristics of inverted depth dose distribution (Bragg peak), small side scattering, high relative biological effect (RBE) and low oxygen enhancement ratio (OER) in beam irradiation, which make heavy ion beams treat cancer Become the most advanced and effective cancer radiation therapy in the world today. At present, the results of preliminary clinical treatment trials show that heavy ion beams have very significant curative effects in cancer treatment, and there are no obvious toxic and side effects.
同步储存环是质子-重离子治癌最基本的加速器装置。其运行模式是将预加速器(如回旋加速器)提供的重离子束注入同步储存环，在同步储存环中将离子累积到临床需要的流强，并加速至临床所需能量，然后引出到治癌终端进行肿瘤治疗。公知的同步储存环中提高离子能量的方法是采用高频腔产生高频电场加速离子。高频加速的基本原理是：采用高频腔产生一个频率与储存离子回旋频率相等、或是储存离子回旋频率某次谐波相等的高频电场，离子经过高频腔时，被电场加速获得能量，随着高频腔频率的提高，离子的能量提高，离子被加速。The synchronous storage ring is the most basic accelerator device for proton-heavy ion cancer therapy. Its operation mode is to inject the heavy ion beam provided by the pre-accelerator (such as a cyclotron) into the synchronous storage ring, in the synchronous storage ring, the ions are accumulated to the clinically required current intensity, accelerated to the clinically required energy, and then extracted to the cancer treatment Terminal tumor treatment. A known method for increasing ion energy in a synchronous storage ring is to use a high-frequency cavity to generate a high-frequency electric field to accelerate ions. The basic principle of high-frequency acceleration is: use a high-frequency cavity to generate a high-frequency electric field with a frequency equal to the cyclotron frequency of the stored ions, or a harmonic of a certain harmonic of the cyclotron frequency of the stored ions. When the ions pass through the high-frequency cavity, they are accelerated by the electric field to obtain energy. , as the frequency of the high-frequency cavity increases, the energy of the ions increases and the ions are accelerated.
现有技术中公开的同步加速器，在采用高频腔加速离子时，在整个加速过程中，都采用一个固定的离子回旋频率的谐波次数，由于受到高频腔工作频率范围的限制，储存环只能加速一定能量范围内的离子。因此同步加速器所能接受的注入离子的能量取决于高频腔工作频率的下限，而同步加速器所能加速的最高能量则取决于上限。这要求同步加速器的预加速器(无论采用回旋加速器或直线加速器)都必须将离子首先加速到满足高频腔的最低要求，也必将增大预加速器的建设成本。同时，由于采用的是固定的谐波次数，因此其加速离子的能量范围不能扩展到高频腔工作频率之外。In the synchrotron disclosed in the prior art, when using a high-frequency cavity to accelerate ions, a fixed harmonic order of the ion cyclotron frequency is used throughout the acceleration process. Due to the limitation of the operating frequency range of the high-frequency cavity, the storage ring Only ions within a certain energy range can be accelerated. Therefore, the energy of implanted ions that the synchrotron can accept depends on the lower limit of the operating frequency of the high-frequency cavity, while the highest energy that the synchrotron can accelerate depends on the upper limit. This requires that the pre-accelerator of the synchrotron (whether using a cyclotron or a linear accelerator) must first accelerate ions to meet the minimum requirements of the high-frequency cavity, which will also increase the construction cost of the pre-accelerator. At the same time, because of the fixed harmonic order, the energy range of the accelerated ions cannot be extended beyond the working frequency of the high-frequency cavity.
发明内容： Invention content:
本实用新型的目的在于避免现有技术的不足之处而提供一种高频变谐波同步加速的控制装置，从而有效解决了现有技术中存在的缺陷。The purpose of the utility model is to avoid the deficiencies of the prior art and provide a high-frequency variable harmonic synchronous acceleration control device, thereby effectively solving the defects in the prior art.
本实用新型的目的可以通过采用以下技术方案来实现：所述的高频变谐波同步加速的控制装置，包括有PC机(1)，其特点在于所述的PC机(1)上设有直接数字频率合成器(2)和数模转换器(3)，直接数字频率合成器(2)与分配器(4)相接，分配器(4)的输出口分别与第一相位检测电路(5)、控制放大器(6)和第二相位检测电路(14)相接，控制放大器(6)通过前置放大器(10)与高频发射机(11)相接，高频腔(12)与高频发射机(11)相连；数模转换器(3)分别与调制器(9)和第二相位检测电路(14)相接，调制器(9)分别与高频发射机(11)、高频腔(12)、第二相位检测电路(14)相接，第二相位检测电路(14)通过直流放大电路(13)与高频腔(12)相接。The purpose of this utility model can be realized by adopting the following technical solutions: the control device for high-frequency variable harmonic synchronous acceleration includes a PC (1), which is characterized in that the PC (1) is equipped with A direct digital frequency synthesizer (2) and a digital-to-analog converter (3), the direct digital frequency synthesizer (2) is connected to the distributor (4), and the output port of the distributor (4) is respectively connected to the first phase detection circuit ( 5), the control amplifier (6) is connected with the second phase detection circuit (14), the control amplifier (6) is connected with the high-frequency transmitter (11) through the preamplifier (10), and the high-frequency cavity (12) is connected with the high-frequency transmitter (11). The high-frequency transmitter (11) is connected; the digital-to-analog converter (3) is connected with the modulator (9) and the second phase detection circuit (14) respectively, and the modulator (9) is respectively connected with the high-frequency transmitter (11), The high-frequency cavity (12) is connected with the second phase detection circuit (14), and the second phase detection circuit (14) is connected with the high-frequency cavity (12) through the direct current amplification circuit (13).
所述的变谐波控制电路还包括有脉冲分配器(17)；所述的PC机(1)上还设有模数转换器(18)和数据总线接口(19)。所述的控制放大器(6)内设有移相控制器(7)和增益控制电路(8)，第一相位检测电路(5)与移相控制器(7)相接，调制器(9)与增益控制电路(8)相接。所述的调制器(9)的输出端还与第一相位检测电路(5)相接，调制器(9)与联锁电路(15)相接，真空腔检测电路(16)与联锁电路(15)相接。The harmonic variable control circuit also includes a pulse distributor (17); the PC (1) is also provided with an analog-to-digital converter (18) and a data bus interface (19). Described control amplifier (6) is provided with phase-shift controller (7) and gain control circuit (8), and the first phase detection circuit (5) is connected with phase-shift controller (7), modulator (9) It is connected with the gain control circuit (8). The output terminal of the described modulator (9) is also connected with the first phase detection circuit (5), the modulator (9) is connected with the interlock circuit (15), and the vacuum chamber detection circuit (16) is connected with the interlock circuit (15) Connected.
所述的高频变谐波同步加速的控制装置，存在以下有益效果是：其通过与高频变谐波同步加速过程中对应的控制电路，能够快速的变频，改变谐波次数，满足了实际使用中的需要，其结构简单，操作方便。The control device for high-frequency variable harmonic synchronous acceleration has the following beneficial effects: it can quickly convert frequency and change the harmonic order through the corresponding control circuit in the process of high-frequency variable harmonic synchronous acceleration, which satisfies the actual The utility model has the advantages of simple structure and convenient operation.
附图说明： Description of drawings:
图1本实用新型的控制电路示意图。Fig. 1 is the schematic diagram of the control circuit of the utility model.
具体实施方式： Detailed ways:
以下结合附图所示之最佳实施例作进一步详述：Below in conjunction with the preferred embodiment shown in accompanying drawing, be described in further detail:
见图1，所述的高频变谐波同步加速的控制装置，包括有PC机1，其特点在于所述的PC机1上设有直接数字频率合成器2和数模转换器3，直接数字频率合成器2与分配器4相接，分配器4的输出口分别与第一相位检测电路5、控制放大器6和第二相位检测电路14相接，控制放大器6通过前置放大器10与高频发射机11相接，高频腔12与高频发射机11相连；数模转换器3分别与调制器9和第二相位检测电路14相接，调制器9分别与高频发射机11、高频腔12、第二相位检测电路14相接，第二相位检测电路14通过直流放大电路13与高频腔12相接。See Fig. 1, the control device of described high-frequency variable harmonic synchronous acceleration includes PC 1, and its feature is that described PC 1 is provided with direct digital frequency synthesizer 2 and digital-to-analog converter 3, directly The digital frequency synthesizer 2 is connected with the distributor 4, and the output port of the distributor 4 is respectively connected with the first phase detection circuit 5, the control amplifier 6 and the second phase detection circuit 14, and the control amplifier 6 is connected with the high The high-frequency transmitter 11 is connected, and the high-frequency cavity 12 is connected with the high-frequency transmitter 11; the digital-to-analog converter 3 is respectively connected with the modulator 9 and the second phase detection circuit 14, and the modulator 9 is connected with the high-frequency transmitter 11, respectively. The high-frequency cavity 12 is connected to the second phase detection circuit 14 , and the second phase detection circuit 14 is connected to the high-frequency cavity 12 through the DC amplifier circuit 13 .
所述的变谐波控制电路还包括有脉冲分配器17；所述的PC机1上还设有模数转换器18和数据总线接口19。所述的控制放大器6内设有移相控制器7和增益控制电路8，第一相位检测电路5与移相控制器7相接，调制器9与增益控制电路8相接。所述的调制器9的输出端还与第一相位检测电路5相接，调制器9与联锁电路15相接，真空腔检测电路16与联锁电路15相接。The harmonic variable control circuit also includes a pulse distributor 17; the PC 1 is also provided with an analog-to-digital converter 18 and a data bus interface 19 . The control amplifier 6 is provided with a phase shift controller 7 and a gain control circuit 8 , the first phase detection circuit 5 is connected with the phase shift controller 7 , and the modulator 9 is connected with the gain control circuit 8 . The output end of the modulator 9 is also connected to the first phase detection circuit 5 , the modulator 9 is connected to the interlock circuit 15 , and the vacuum chamber detection circuit 16 is connected to the interlock circuit 15 .
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920000739 CN201349359Y (en) | 2009-01-12 | 2009-01-12 | High-frequency changing-harmonic synchronous acceleration control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920000739 CN201349359Y (en) | 2009-01-12 | 2009-01-12 | High-frequency changing-harmonic synchronous acceleration control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201349359Y true CN201349359Y (en) | 2009-11-18 |
Family
ID=41368824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920000739 Expired - Lifetime CN201349359Y (en) | 2009-01-12 | 2009-01-12 | High-frequency changing-harmonic synchronous acceleration control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201349359Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124373A (en) * | 2017-12-18 | 2018-06-05 | 合肥中科离子医学技术装备有限公司 | A kind of devices and methods therefor for being used to control superconducting cyclotron accelerating potential |
-
2009
- 2009-01-12 CN CN 200920000739 patent/CN201349359Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108124373A (en) * | 2017-12-18 | 2018-06-05 | 合肥中科离子医学技术装备有限公司 | A kind of devices and methods therefor for being used to control superconducting cyclotron accelerating potential |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104548387B (en) | Charged particle beam system | |
| CN101631420A (en) | Accelerator used for cancer therapy with protons-heavy ion beams | |
| WO2011139863A3 (en) | Optimization process for volumetric modulated arc therapy | |
| WO2009142547A3 (en) | Charged particle beam acceleration method and apparatus as part of a charged particle cancer therapy system | |
| CN105392270B (en) | A kind of medical proton-synchrotron | |
| CN202982960U (en) | Proton or heavy ion beam cancer therapy device | |
| CN104971443B (en) | The method of operation of charged particle beam irradiation system and charged particle beam irradiation system | |
| NZ609261A (en) | Method for treating lignocellulosic material by irradiating with an electron beam | |
| CN101652017A (en) | Synchronous acceleration method of high frequency variable harmonics and control device thereof | |
| CN104188679B (en) | A kind of homology two-beam medical accelerator | |
| CN101631419A (en) | Method and device for implanting heavy ion beams into synchrotron | |
| CN101815399B (en) | Radio frequency excitation extraction method and device in heavy ion cancer treatment synchrotron | |
| CN201349359Y (en) | High-frequency changing-harmonic synchronous acceleration control device | |
| CN108939317B (en) | Single-cycle multi-step active energy-changing slow extraction method of synchrotron | |
| Ding et al. | Immediate intervention effect of dielectric barrier discharge on acute inflammation in rabbit’s ear wound | |
| WO2005110496A3 (en) | Biomolecular contrast agents for therapy optimization in radiation therapy with proton or ion beams | |
| CN102861104B (en) | Method and device for treating in-vitro blood | |
| CN201161068Y (en) | A device for changing the width of the Bragg peak in three-dimensional conformal intensity-modulated therapy of ion beams | |
| CN101763909B (en) | Method for reducing dose penumbra of ion beam spread-out Bragg peak back edge through irradiation of high-energy ion beam | |
| CN204158405U (en) | A kind of homology two-beam medical accelerator | |
| CN201349358Y (en) | Accelerator for proton-heavy ion beam cancer-treatment | |
| CN208094872U (en) | A medical proton synchrotron | |
| CN108243552A (en) | A therapeutic proton synchrotron | |
| CN105056409B (en) | A kind of component, treatment handle and the therapeutic equipment of rf ultrasound's synergistic effect | |
| Noda et al. | Conceptual design of carbon/proton synchrotron for particle beam therapy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091118 Effective date of abandoning: 20090112 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20091118 Effective date of abandoning: 20090112 |