CN102612251B - Double-microwave-source electronic linear accelerator - Google Patents
Double-microwave-source electronic linear accelerator Download PDFInfo
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- CN102612251B CN102612251B CN201210064839.2A CN201210064839A CN102612251B CN 102612251 B CN102612251 B CN 102612251B CN 201210064839 A CN201210064839 A CN 201210064839A CN 102612251 B CN102612251 B CN 102612251B
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- 238000010894 electron beam technology Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses a double-microwave-source electronic linear accelerator, which comprises microwave sources and an accelerating tube, wherein the microwave sources comprises a first microwave source and a second microwave source, a microwave bridge is arranged among the microwave sources and the accelerating tube and comprises two input ports and one output port, an output end of the first microwave source is connected with one of the input ports of the microwave bridge, an output end of the second microwave source is connected with the other input port of the microwave bridge, and an input end of the accelerating tube is connected with the output port of the microwave bridge. The electronic linear accelerator has the two microwave sources due to the microwave bridge, output power can be nearly doubled when compared with that of an accelerator with one microwave source, when one of the microwave source is in breakdown, the other microwave source can work normally, and time of breakdown halt of the electronic linear accelerator can be reduced effectively.
Description
Technical field
The present invention relates to electron linear accelerator field, particularly relate to a kind of electron linear accelerator with two microwave source.
Background technology
In the prior art, electron linear accelerator only has a microwave source, and this is no problem under normal conditions, but owing to being limited to microwave source power output, cannot realize larger output dose rate.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the object of the invention is to propose a kind of electron linear accelerator with two microwave source, make two microwave source alternations by microwave bridge, and then improve output dose rate, reach approximate twice when only using a microwave source.
Object of the present invention will be achieved by the following technical programs:
A kind of two microwave source electron linear accelerator, comprise microwave source and accelerating tube, the outlet of described microwave source is connected with the entrance of accelerating tube, described microwave source comprises the first microwave source and the second microwave source, a microwave bridge is equipped with between described microwave source and accelerating tube, described microwave bridge comprises two input ports and an output port, the output of described first microwave source is connected with an input port of described microwave bridge, the output of described second microwave source is connected with another input port of described microwave bridge, the input of described accelerating tube is connected with the output port of described microwave bridge.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: the output of described electron linear accelerator is X ray or electron beam.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: described electron linear accelerator is traveling-wave accelerator or standing wave accelerator.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: described first microwave source and the second microwave source are magnetron or are klystron
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: the pulse output power of described magnetron or klystron is greater than 1MW.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: between described first microwave source and described microwave bridge, be provided with isolator.The microwave that isolator reflects for absorbing accelerating tube, prevents microwave reflection from arriving microwave source, makes it to damage.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: between described second microwave source and described microwave bridge, be provided with isolator.The microwave that isolator reflects for absorbing accelerating tube, prevents microwave reflection from arriving microwave source, makes it to damage.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: the electrical length between two input ports of described microwave bridge is n+ λ, and the electrical length between each input port and output port is n+ λ/4, wherein n is natural number, and λ is microwave wavelength.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: described microwave bridge is arrowband high-isolation microwave bridge.
Preferably, the two microwave source electron linear accelerator of above-mentioned one, wherein: described microwave bridge is waveguide form.
Outstanding effect of the present invention is: the present invention makes whole electron linear accelerator have two microwave sources by microwave bridge simultaneously, make the power output of electron linear accelerator can reach nearly twice when only having a microwave source, by alternately applying input high-voltage power to two microwave sources, two microwave source alternations can be realized., owing to having two microwave sources, break down once one of them microwave source, another microwave source can also normally work, and can effectively reduce the electron linear accelerator downtime meanwhile.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail the specific embodiment of the present invention, is easier to understand, grasp to make technical solution of the present invention.
Accompanying drawing explanation
Fig. 1 is the connection diagram of prior art;
Fig. 2 is the connection diagram of the embodiment of the present invention;
Fig. 3 is the structural representation of the microwave bridge of the embodiment of the present invention.
Embodiment
Embodiment:
The two microwave electron linear accelerator of one of the present embodiment, as shown in Fig. 2 ~ Fig. 3, comprise microwave source and accelerating tube, microwave source comprises the first microwave source and the second microwave source, microwave bridge 1 is equipped with between microwave source and accelerating tube, microwave bridge 1 comprises two input ports 3 and 4, and an output port 2, the output of the first microwave source is connected with the input port 3 of microwave bridge 1, the output of the second microwave source is connected with another input port 4 of microwave bridge 1, and the input of accelerating tube is connected with the output port 2 of microwave bridge 1.Electrical length between two input ports 3 and 4 of microwave bridge 1 is n+ λ, and between input port 3 and output port 2, input port 4 is respectively n+ λ/4 with the electrical length of output port 2, and wherein n is natural number, and λ is microwave wavelength.
Optionally, the output of electron linear accelerator is X ray or electron beam.
Optionally, electron linear accelerator is traveling-wave accelerator or standing wave accelerator.
Optionally, the first microwave source and the second microwave source are magnetron or are klystron.The pulse output power of magnetron or klystron is greater than 1MW.
Optionally, isolator is provided with between the first microwave source and microwave bridge 1.The microwave that isolator reflects for absorbing accelerating tube, prevents microwave reflection from arriving microwave source, makes it to damage.
Optionally, isolator is provided with between the first microwave source and microwave bridge 1.The microwave that isolator reflects for absorbing accelerating tube, prevents microwave reflection from arriving microwave source, makes it to damage.
Optionally, microwave bridge is arrowband high-isolation microwave bridge.
Optionally, microwave bridge is waveguide form.
The present embodiment makes whole electron linear accelerator have the first microwave source and the second microwave source by microwave bridge 1 simultaneously, make the power output of electron linear accelerator can reach nearly twice when only having a microwave source, by alternately applying input high-voltage power to the first microwave source and the second microwave source, their alternation can be realized., owing to having the first microwave source and the second microwave source, break down once one of them microwave source, another microwave source can also normally work, and can effectively reduce the electron linear accelerator downtime meanwhile.
The present invention still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection scope of the present invention.
Claims (9)
1. a two microwave source electron linear accelerator, comprises microwave source and accelerating tube, it is characterized in that: described microwave source comprises the first microwave source and the second microwave source; A microwave bridge is equipped with between described microwave source and accelerating tube, described microwave bridge comprises two input ports and an output port, the output of described first microwave source is connected with an input port of described microwave bridge, the output of described second microwave source is connected with another input port of described microwave bridge, and the input of described accelerating tube is connected with the output port of described microwave bridge; Electrical length between two input ports of described microwave bridge is n+ λ, and the electrical length between each input port and output port is n+ λ/4, and wherein n is natural number, and λ is microwave wavelength.
2. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: the output of described electron linear accelerator is X ray or electron beam.
3. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: described electron linear accelerator is traveling-wave accelerator or standing wave accelerator.
4. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: described first microwave source and the second microwave source are magnetron or are klystron.
5. the two microwave source electron linear accelerator of one according to claim 4, is characterized in that: the pulse output power of described magnetron or klystron is greater than 1MW.
6. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: be provided with isolator between described first microwave source and described microwave bridge.
7. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: be provided with isolator between described second microwave source and described microwave bridge.
8. the two microwave source electron linear accelerator of one according to claim 1, is characterized in that: described microwave bridge is arrowband high-isolation microwave bridge.
9. any one pair of microwave source electron linear accelerator according to claim 1 or 8, is characterized in that: described microwave bridge is waveguide form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210064839.2A CN102612251B (en) | 2012-03-13 | 2012-03-13 | Double-microwave-source electronic linear accelerator |
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| CN201210064839.2A CN102612251B (en) | 2012-03-13 | 2012-03-13 | Double-microwave-source electronic linear accelerator |
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| CN102612251A CN102612251A (en) | 2012-07-25 |
| CN102612251B true CN102612251B (en) | 2015-03-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3600548A4 (en) * | 2017-03-24 | 2021-01-13 | Radiabeam Technologies, LLC | Compact linear accelerator with accelerating waveguide |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470192B (en) * | 2013-09-22 | 2017-03-29 | 同方威视技术股份有限公司 | Electron linear accelerator system |
| CN110324955A (en) * | 2019-01-31 | 2019-10-11 | 深圳铭杰医疗科技有限公司 | Electron accelerator |
Citations (6)
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| US4027193A (en) * | 1974-03-04 | 1977-05-31 | Atomic Energy Of Canada Limited | Klystron-resonant cavity accelerator system |
| US6016766A (en) * | 1997-12-29 | 2000-01-25 | Lam Research Corporation | Microwave plasma processor |
| CN101163372A (en) * | 2006-10-11 | 2008-04-16 | 清华大学 | Multi-energy frequency doubling particle accelerator and method thereof |
| CN202019491U (en) * | 2011-01-20 | 2011-10-26 | 孙安 | Standing wave irradiation accelerator with continuously variable energy |
| CN202077262U (en) * | 2011-01-18 | 2011-12-14 | 北京机械工业自动化研究所 | Standing wave electron linear accelerator device used for nondestructive examination |
| CN202488865U (en) * | 2012-03-13 | 2012-10-10 | 苏州爱因智能设备有限公司 | Electron linear accelerator with double microwave sources |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0831598A (en) * | 1994-07-20 | 1996-02-02 | Sumitomo Electric Ind Ltd | Electron linear accelerator |
| US5661377A (en) * | 1995-02-17 | 1997-08-26 | Intraop Medical, Inc. | Microwave power control apparatus for linear accelerator using hybrid junctions |
| US8183801B2 (en) * | 2008-08-12 | 2012-05-22 | Varian Medical Systems, Inc. | Interlaced multi-energy radiation sources |
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2012
- 2012-03-13 CN CN201210064839.2A patent/CN102612251B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4027193A (en) * | 1974-03-04 | 1977-05-31 | Atomic Energy Of Canada Limited | Klystron-resonant cavity accelerator system |
| US6016766A (en) * | 1997-12-29 | 2000-01-25 | Lam Research Corporation | Microwave plasma processor |
| CN101163372A (en) * | 2006-10-11 | 2008-04-16 | 清华大学 | Multi-energy frequency doubling particle accelerator and method thereof |
| CN202077262U (en) * | 2011-01-18 | 2011-12-14 | 北京机械工业自动化研究所 | Standing wave electron linear accelerator device used for nondestructive examination |
| CN202019491U (en) * | 2011-01-20 | 2011-10-26 | 孙安 | Standing wave irradiation accelerator with continuously variable energy |
| CN202488865U (en) * | 2012-03-13 | 2012-10-10 | 苏州爱因智能设备有限公司 | Electron linear accelerator with double microwave sources |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3600548A4 (en) * | 2017-03-24 | 2021-01-13 | Radiabeam Technologies, LLC | Compact linear accelerator with accelerating waveguide |
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| CN102612251A (en) | 2012-07-25 |
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Effective date of registration: 20240424 Address after: Room 101, building 13, No.158, Jinfeng Road, science and Technology City, Suzhou, Jiangsu 215000 Patentee after: Jiangsu University of technology collaborative medical robot Co.,Ltd. Country or region after: China Address before: Unit 112, Building A2, Bionano Park, No. 218 Xinghu Street, Suzhou Industrial Park, Suzhou City, Jiangsu Province, China, 215125 Patentee before: Suzhou Aiyin Intelligent Equipment Co.,Ltd. Country or region before: China |
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