CN105472859A - Rotating shutter device for blocking backflow metal particles - Google Patents
Rotating shutter device for blocking backflow metal particles Download PDFInfo
- Publication number
- CN105472859A CN105472859A CN201610068608.7A CN201610068608A CN105472859A CN 105472859 A CN105472859 A CN 105472859A CN 201610068608 A CN201610068608 A CN 201610068608A CN 105472859 A CN105472859 A CN 105472859A
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- China
- Prior art keywords
- shutter device
- rotating shutter
- output shaft
- expreess locomotive
- electric expreess
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H7/00—Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00
- H05H7/22—Details of linear accelerators, e.g. drift tubes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Shutters For Cameras (AREA)
- Particle Accelerators (AREA)
Abstract
The invention discloses a rotating shutter device for blocking backflow metal particles. The rotating shutter device comprises a high-speed motor, the high-speed motor drives two rotary vanes which are coaxially arranged and are contrary in rotation direction, and each rotary vane is provided with a beam flow via hole. According to the rotating shutter device, the high-speed motor serves as a power element to drive the two rotary vanes which are contrary in rotation direction to conduct coaxial rotation, each rotary vane is provided with the corresponding beam flow via hole, the rotary vanes are placed into a beam flow transmission pipe of an accelerator, and the rotation speed of the rotary vanes is adjusted, so that the beam flow via holes in the two rotary vanes which are contrary in rotation direction are overlapped in the electronic pulse duration period; at the moment, electronic beams just pass through the via holes which are totally overlapped, in the pulse intermittence period, the beam flow via holes in the two rotary vanes which are different in rotation direction are located in different positions to block the backflow metal particles which move back, then the backflow metal particles can be blocked, and the situations that the backflow metal particles act on the interior of an accelerating cavity and damage the accelerating cavity are avoided.
Description
Technical field
The present invention relates to multiple-pulse accelerating field generation technology, being specifically related to a kind of rotating shutter device for stopping reflow metal particle.
Background technology
The basic composition unit that constituent element is linear induction accelerator is accelerated in the induction be made up of induction cavity and corresponding pulses power system, magnetic core in the high pressure-burst pulse excitation Accelerating cavity that pulse power system produces, on accelerating gap, induction produces the acceleration of impulse electric field realization to strong current electron beam.The high voltage pulse of feed-in accelerating cavity need reach more than 200kV usually, due to the restriction of switching capability, pulse forming line can only be utilized at present to produce, after forming line electric discharge, need longer switch insulation recovery time and charging interval, therefore can only be operated in extremely low repetition rate or single operation.In traditional pulse linear induction accelerator, pulse power system based on Blumlein pulse forming line can provide reset pulse for accelerating cavity when Blumlein line charges, then provide excitation pulse when Blumlein line discharges, we are referred to as accelerating cavity " automatically reseting ".
Linear induction accelerator produces high current, high-power pulsed electron beam and bremsstrahlung target and interacts, and the X-ray producing strong dosage is tested for spark photograph; Simultaneously due to the energy deposition of electron beam in bremsstrahlung target; target temperature is caused sharply to raise and undergoes rapid expansion disperses; the target metallic particles disperse, refluxed can enter in the acceleration constituent element of accelerator upstream, causes degradation under cavity voltage endurance capability, thus reduces accelerator performance.
Summary of the invention
The object of the invention is to provide a kind of rotating shutter device for stopping reflow metal particle; solve that current linear induction accelerator in use disperses, the target metallic particles that refluxes can enter in the acceleration constituent element of accelerator upstream; cause the problem that cavity voltage endurance capability declines; reach the metallic particles stopping backflow completely utilizing blade; avoid the pollution to accelerator upstream, guarantee the object of accelerator performance.
The present invention is achieved through the following technical solutions:
For stopping a rotating shutter device for reflow metal particle, comprise a high-speed electric expreess locomotive, described high-speed electric expreess locomotive drives two coaxially to arrange and the blade of direction of rotation, and each blade is provided with a line passing hole.In the actual use procedure of accelerating cavity, the internal structure of applicant to accelerating cavity is studied, find proportional relation between the useful life of accelerating cavity and access times, after the quantity that access times reach certain, its life-span just reaches the limit, therefore, the accelerating cavity life-span of the prior art all calculates with number of times, found by research: after every task, capital has reflow metal particle to act on accelerating cavity, thus reduce its useful life, in order to address this problem, on newfound basis, the present invention passes through a high-speed electric expreess locomotive as power original paper, drive the blade coaxial rotation that two rotation directions are contrary, each blade arranges a line passing hole, this blade is placed in accelerator beam transport pipeline, adjust its rotating speed, make when electronic impulse duration, line passing hole on the blade that two rotation directions are contrary overlaps, electron beam is now just by overlapping hole, in the intermittent phase of pulse, line passing hole on the blade that two rotation directions are contrary is in diverse location, the reflow metal particle that motion is returned is blocked, so, just reflow metal particle can be stopped, it is avoided to act on accelerating cavity inside, cause the damage to accelerating cavity.
The output shaft of described high-speed electric expreess locomotive is set with the outer support cylinder coaxial with output shaft, two blades are arranged on output shaft and outer support cylinder respectively.Specifically, the blade that two rotation directions are contrary is all mounted on the output shaft of high-speed electric expreess locomotive, is rotated backward by the outer support cylinder of the output shaft coaxial package with high-speed electric expreess locomotive and the output shaft of high-speed electric expreess locomotive, thus drives two blades to rotate backward.
The output shaft of described high-speed electric expreess locomotive is through a reduction box, and intermeshing fixed gear and moving gear in reduction box, wherein fixed gear is fixed on output shaft, and moving gear is fixed on outer support cylinder.Drive outer support cylinder by meshed gears, the output speed of reduction box can regulate, thus selects suitable high-speed electric expreess locomotive rotating speed and the output speed of gear box.
Also comprise a shell be connected with reduction box, the output shaft of high-speed electric expreess locomotive with between outer support cylinder and outer support cylinder be all connected by bearing with between shell.Shell, as the external member of whole device, for rack-mount, is convenient to position, also as the fixing point of bearing, reduces the friction between outer support cylinder, output shaft.
Also comprise a motor driver be connected with high-speed electric expreess locomotive, motor driver is provided with client-side interface.By arranging a client-side interface, so that input different controling parameters, for controlling the rotating speed of high-speed electric expreess locomotive, for different testings of materials, its practicality can be substantially increased.
The present invention compared with prior art, has following advantage and beneficial effect:
1, a kind of rotating shutter device for stopping reflow metal particle of the present invention, by a high-speed electric expreess locomotive as dynamical element, drive the blade coaxial rotation that two rotation directions are contrary, each blade arranges a line passing hole, this blade is placed in accelerator beam transport pipeline, adjust its rotating speed, make when electronic impulse duration, line passing hole on the blade that two rotation directions are contrary overlaps, electron beam is now just by overlapping hole, in the intermittent phase of pulse, line passing hole on the blade that two rotation directions are contrary is in diverse location, the reflow metal particle that motion is returned is blocked, so, just reflow metal particle can be stopped, it is avoided to act on accelerating cavity inside, cause the damage to accelerating cavity,
2, a kind of rotating shutter device for stopping reflow metal particle of the present invention, the blade that two rotation directions are contrary is all mounted on the output shaft of high-speed electric expreess locomotive, rotated backward by the outer support cylinder of the output shaft coaxial package with high-speed electric expreess locomotive and the output shaft of high-speed electric expreess locomotive, thus drive two blades to rotate backward;
3, a kind of rotating shutter device for stopping reflow metal particle of the present invention, can effectively stop reflow metal particle; The rotating speed of single blade is low, and whole system stability and fail safe improve greatly; Motor rotation speed reduces, and its useful life is extended, and blade, through static balance Design calcu-lation, reduces imbalance impact during its running greatly.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention.
The parts title of mark and correspondence in accompanying drawing:
1-line passing hole, 2-blade, 4-output shaft, 5-reduction box, 6-moving gear, 7-fixed gear, 8-high-speed electric expreess locomotive, 9-motor driver, 10-client-side interface, 11-support, 12-outer support cylinder, 13-shell, 14-bearing.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment
As shown in Figure 1, a kind of rotating shutter device for stopping reflow metal particle of the present invention, comprise a support 11, support 11 is installed with the shell 13 of a tubular, an outer support cylinder 12 is set with in shell 13, be connected by bearing 14 between outer support cylinder 12 with shell 13, relative rotation can be realized, a high-speed electric expreess locomotive 8 is installed in one end of shell 13, in the present embodiment, the diameter 100mm of high-speed electric expreess locomotive, longitudinal diameter is 150mm, maximum speed 6000rpm, the output shaft 4 of high-speed electric expreess locomotive 8 is coaxial with shell 13, and between output shaft 4 and outer support cylinder 12, bearing 14 is installed, by the setting of bearing 14, outer support cylinder 12 can be made, can produce relative rotation between output shaft 4, be independent of each other, the output shaft 4 of high-speed electric expreess locomotive 8 is through a reduction box 5, intermeshing fixed gear 7 and moving gear 6 in reduction box 5, wherein fixed gear 7 is fixed on output shaft 4, moving gear 6 is fixed on outer support cylinder 12, the speed reducing ratio of reduction box 5 is 0.99999, namely output shaft 4 rotational angular velocity of high-speed electric expreess locomotive 8 and the rotational angular velocity of outer support cylinder 12 basically identical, error is 100,000/, on output shaft 4, and outer support cylinder 12 is provided with a blade 2, the diameter of blade 2 is 200mm, line passing hole on blade is diameter 40mm, blade 2 is made up of polyester fiber, high-speed electric expreess locomotive 8 is connected to motor driver 9, motor driver 9 is provided with client-side interface 10.During use, by high-speed electric expreess locomotive 8 rotational parameters that client-side interface 10 input needs, rotated by motor driver 9 driving and high-speed electric expreess locomotive 8, the output shaft 4 of high-speed electric expreess locomotive 8 drives a blade 2 to rotate according to specific direction, drive outer support cylinder 12 to rotate by the fixed gear 7 in reduction box 5 and moving gear 6 simultaneously, the now direction of rotation of two blades, device of the present invention is placed before bremsstrahlung target, on blade 2, diameter is the line passing hole 1 of 40mm size, just by the circular hole of blade duration of making beam pulse, electron beam is with the motion of dipped beam speed, and the speed of reflow metal particle is 2 ~ 5mm/
, reflow metal movement of particles is effectively stopped to the solid area of blade, two that adopt blade 2 movement velocity is identical, direction is contrary, the relative rotation speed difference of two blades 2 is 2 times of single blade rotating speed, therefore for greatly reducing the rotating speed of single blade when realizing some specific blade rotation speed requirements, the decline of single blade rotating speed can improve the fail safe when stability of rotating shutter system and blade rotate and greatly reduce wind that blade tapping causes makes an uproar and the impact such as uneven.Utilize strong current electron beam and the reflow metal target particle speed difference between the two in magnitude, can as sieve, make electron beam pass through when the line passing hole of the bispin sheet rotated overlaps completely and reflow metal particle is stopped.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. one kind for stopping the rotating shutter device of reflow metal particle, comprise a high-speed electric expreess locomotive (8), it is characterized in that: described high-speed electric expreess locomotive (8) drives two coaxially to arrange and the blade of direction of rotation (2), and each blade (2) is provided with a line passing hole (1).
2. a kind of rotating shutter device for stopping reflow metal particle according to claim 1, it is characterized in that: the output shaft (4) of described high-speed electric expreess locomotive (8) is set with the outer support cylinder (12) coaxial with output shaft (4), two blades (2) are arranged on output shaft (4) respectively with on outer support cylinder (12).
3. a kind of rotating shutter device for stopping reflow metal particle according to claim 2, it is characterized in that: the output shaft (4) of described high-speed electric expreess locomotive (8) is through a reduction box (5), intermeshing fixed gear (7) and moving gear (6) in reduction box (5), wherein fixed gear (7) is fixed on output shaft (4), and moving gear (6) is fixed on outer support cylinder (12).
4. a kind of rotating shutter device for stopping reflow metal particle according to claim 3, it is characterized in that: also comprise a shell (13) be connected with reduction box (5), the output shaft (4) of high-speed electric expreess locomotive (8) is all connected by bearing (14) with between outer support cylinder (12) and between outer support cylinder (12) with shell (13).
5. a kind of rotating shutter device for stopping reflow metal particle as claimed in any of claims 1 to 4, it is characterized in that: also comprise a motor driver (9) be connected with high-speed electric expreess locomotive (8), motor driver (9) is provided with client-side interface (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068608.7A CN105472859B (en) | 2016-02-01 | 2016-02-01 | A kind of rotating shutter device for being used to stop reflow metal particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610068608.7A CN105472859B (en) | 2016-02-01 | 2016-02-01 | A kind of rotating shutter device for being used to stop reflow metal particle |
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| Publication Number | Publication Date |
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| CN105472859A true CN105472859A (en) | 2016-04-06 |
| CN105472859B CN105472859B (en) | 2017-08-25 |
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| CN201610068608.7A Active CN105472859B (en) | 2016-02-01 | 2016-02-01 | A kind of rotating shutter device for being used to stop reflow metal particle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6964396B2 (en) * | 2001-12-04 | 2005-11-15 | The Boeing Company | Automatic accel voltage tracking system for an ion thruster |
| CN101617225A (en) * | 2007-02-22 | 2009-12-30 | 通用电气健康护理生物科学股份公司 | Selector valve |
| CN203811814U (en) * | 2014-05-13 | 2014-09-03 | 中国工程物理研究院流体物理研究所 | Electron beam emittance measurement device |
| CN205336644U (en) * | 2016-02-01 | 2016-06-22 | 中国工程物理研究院流体物理研究所 | A rotating shutter device for stopping backward flow metal particles |
-
2016
- 2016-02-01 CN CN201610068608.7A patent/CN105472859B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6964396B2 (en) * | 2001-12-04 | 2005-11-15 | The Boeing Company | Automatic accel voltage tracking system for an ion thruster |
| CN101617225A (en) * | 2007-02-22 | 2009-12-30 | 通用电气健康护理生物科学股份公司 | Selector valve |
| CN203811814U (en) * | 2014-05-13 | 2014-09-03 | 中国工程物理研究院流体物理研究所 | Electron beam emittance measurement device |
| CN205336644U (en) * | 2016-02-01 | 2016-06-22 | 中国工程物理研究院流体物理研究所 | A rotating shutter device for stopping backward flow metal particles |
Non-Patent Citations (1)
| Title |
|---|
| 朱隽等: "回流离子对强流相对论电子束传输的影响", 《强激光与粒子束》 * |
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| CN105472859B (en) | 2017-08-25 |
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