CN108983334A - A kind of photon shutter device - Google Patents
A kind of photon shutter device Download PDFInfo
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- CN108983334A CN108983334A CN201811032699.4A CN201811032699A CN108983334A CN 108983334 A CN108983334 A CN 108983334A CN 201811032699 A CN201811032699 A CN 201811032699A CN 108983334 A CN108983334 A CN 108983334A
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- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000004888 barrier function Effects 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 238000013461 design Methods 0.000 description 9
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000005469 synchrotron radiation Effects 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000005461 Bremsstrahlung Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000036244 malformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
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- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
Abstract
The present invention provides a kind of photon shutter device comprising: one absorbs main body, inside be provided with two for the light hole passing through of two light beams and a composite holes in the complex light bunch respectively for entering the absorption main body；One water-cooling circulating system；Multiple collimator apparatus；And at least one temperature detection device；Wherein, the light hole is a rectangular through-hole；The light-blocking part that composite holes have underlying light passing portion and are located above；Light passing portion is the channel of left and right perforation, and light-blocking part is the wedgy passage that width is gradually reduced along the direction of travel of light beam, and the end of light-blocking part, which is equipped with, absorbs light barrier.The light hole of photon shutter device of the invention and the setting of composite holes are so that the device nor affects on the use of an other light beam while realizing that the wherein light beam to the complex light bunch of extra small angle carries out light passing and light-blocking control.
Description
Technical field
The present invention relates to synchrotron radiation light source domains, relate more specifically to a kind of photon shutter device.
Background technique
Synchrotron radiation light is to transport because state (speed and direction) changes when free electron moves in magnetic field along electronics
The electromagnetic wave that dynamic rail mark tangential direction issues, due to the features such as spectrum is continuous, high brightness, collimation are good, physics, chemistry,
It is all widely used in many scientific researches such as life science, information science, the energy and environmental science and high-tech area.Before
Petiolarea is an important component of synchrotron radiation light beam line, is not only established one's own system, but also associated with multiple systems.Major function
It is the size of limits synchronization radiant light, detection light-beam position, absorbs heat load, realizes upstream device safeguard protection, vacuum protection
And personnel protection, synchrotron radiation light is finally transmitted to downstream light bunch.
Storage rings are connect on front end region, lower even light beam line, is a connection tie between storage rings and light beam line.Generally
Ground, a storage rings outlet only have a light beam to draw, so that the corresponding front end region in a light beam line station；But with section
The development and progress of technology begins trying two light beams that very little angle is led to from a storage rings outlet, to make
It obtains this two light beams and shares a front end region, this complex light bunch is known as Canted light beam line.
Therefore, the equipment of the front end region (front end region abbreviation Canted) of Canted light beam line, which needs to meet two light beam lines, makes
With.The space of front end region is narrow, relatively high for the device structure design requirement of the front end region Canted.
Wherein, photon optical gate is a critical component of front end region, its control running determines whether light beam can lead to
It crosses front end region and smoothly reaches light beam line and experiment centre.Photon optical gate can self-movement control use be to be directly related to light beam line
Can experiment centre enter safely optics shed, it is the important component of entire light beam line experiment centre safety interlocking.
In front end region setting, there are two photon optical gates for the existing front end region Canted for having built completion, and by every
A light beam line corresponds to a photon shutter device independently to realize the independent control of two light beam lines.Due to the angle of two light beams
It is relatively large, it can be divided by being divided aperture device in front end region, and then realize being kept completely separate for two light beams, two
Light beam passes through corresponding photon optical gate respectively again.
But the existing photon optical gate suitable for Canted front end area can only individually control front end region
Distinct two light beam lines, the structure of existing photon optical gate are not suitable for having the front end region extra small angle Canted.
For the front end region Canted with extra small angle, two light beam lines mixed pass through light splitting aperture device
After light splitting, for two light beam lines since angle is too small, light transmission unit cannot be completely separable, and two light beams are also on light beam line position
It is to share set of device, so two light beam lines cannot be completely separable in front end region, and only one is logical for existing photon optical gate
Light trap unthreaded hole, as soon as while realizing the Beam Control to the front end region Canted of extra small angle, an other light beam
It can be blocked by photon optical gate, cannot smoothly reach downstream light bunch and experiment centre；In addition, because Canted light beam line is insertion piece
The power of light source, light source is very big, and it is abnormally dangerous that light beam, which is directly got on light beam line on light passing equipment end face or tube wall,
Thing, it is possible to can be because power be excessive that equipment damage be caused to lead to vacuum leak.Since light source is run to entire front end region
With ultrahigh vacuum requirement, once there is vacuum leak, control chain reaction just will start, storage rings are carried out to kick beam protection, storage
It deposits ring and once kicks beam, will affect the normal operation at other light beam line stations.Simultaneously because front end region is in the environment of radiation, if hair
Raw vacuum leak, not only ultra-high vacuum environment is destroyed, while the equipment in front end region downstream and the safety of the person also will receive
It threatens.
For at present in the front end region Canted for the extra small angle built for, two light beam lines can not be complete in front end region
It separates, whether required photon optical gate will not only consider that a light beam line realizes individually control light passing, while also to consider not
It can influence the use of an other light beam line.In conclusion developing the new photon suitable for the front end region extra small angle Canted
Optical gate is very urgent key task.
Summary of the invention
The purpose of the present invention is to provide a kind of photon shutter device, with wherein one of the complex light bunch to extra small angle
Light beam carries out light passing and light-blocking control, while nor affecting on the use of an other light beam.
To achieve the goals above, the present invention provides a kind of photon shutter device comprising: one absorbs main body, inside
Right end is extended to, for two in the complex light bunch respectively for entering the absorption main body from the left end for absorbing main body there are two opening
The light hole and a composite holes that light beam passes through；One is located at the water-cooling circulating system for absorbing body interior；Multiple points
It is welded in the collimator apparatus for absorbing the top surface of main body；And at least one insertion absorbs the temperature detection device of the inside of main body；Its
In, the light hole is a rectangular through-hole；The light-blocking part that composite holes have underlying light passing portion and are located above；Light passing portion
For left and right perforation and height and the constant channel of width, light-blocking part be left and right penetrate through and width along light beam direction of travel gradually
Reduced wedgy passage, the end of light-blocking part are equipped with the absorption light barrier being connected with absorption main body.
The water-cooling circulating system include be opened in respectively absorb main body top and bottom on multiple cooling troughs,
It is respectively welded in the upper cover plate, the lower cover plate that form upper and lower cavity on the top and bottom for absorbing main body and with the cooling trough
And the cooling water channel set on body interior is absorbed and positioned at the side of composite holes；The two sides up and down for absorbing main body are each provided with two
A water pipe being connected to across the upper and lower lids with the upper and lower cavity, and the side for absorbing main body is equipped with and is connected to cooling water channel
Water pipe.
Each water pipe is connected separately with cutting ferrule far from the one end for absorbing main body and leads directly to union.
One of side wall of the wedgy passage is light-receiving surface, and the distance of the centre distance of the cooling water channel light-receiving surface is
9-12mm。
The temperature detection device is apart from light-receiving surface 5-6mm.
Described device further includes two and is respectively welded at the left end for absorbing main body and the connecting flange of right end by transfer tube.
Photon shutter device lower part is equipped with a motion adjustment mechanism affixed with it and a cylinder, the motor adjustment
The lower section of mechanism is equipped with an adjusting bracket, and the cylinder is fixed in the adjusting bracket and its output end and the motor adjustment machine
Structure is connected.
The absorption light barrier is fastened on by screw to be absorbed in main body.
The absorption main body is a square structure.
The absorption main body is made of dispersion-strengtherning albronze or oxygen-free copper.
The setting of the composite holes of photon shutter device of the invention, so that for the realization in compound (Canted) light beam line
The light beam of function, the glancing incidence of light beam may be implemented for light-blocking in composite holes when light-blocking mode, thus increase light-receiving surface, it is maximum
Limit reduces the temperature rise as caused by the thermal power for absorbing Canted light beam, and composite holes are used for light passing, light passing when light-blocking mode
The setting in hole is so that for the other light beam in complex light bunch, photon shutter device either light-blocking state or light passing
State is all used for light passing, leads in realization to a wherein light beam for the complex light bunch of extra small angle to absorb main body
While light and light-blocking control, the use of an other light beam is nor affected on；Photon optical gate composite holes and light hole are set to together
One absorbs in main body, and this topology layout is compact, occupies little space, and installs, splits, regulating and controlling conveniently, easy to maintain, can use
In all kinds of extra small angle Canted front end areas, it is only necessary to be adopted in design according to the needs of different light beam line physics
It can be effectively realized remotely with different light holes, composite holes aperture and spacing to a variety of different Canted light beam lines
Light-blocking and light passing control；The present invention also uses water-cooling circulating system, and by heat transfer, photon shutter device is held because light-blocking
Heat transfer caused by high heat load by Canted light beam is gone out, and then plays the absorption master for reducing photon shutter device
The temperature of body avoids photon shutter device from causing material failure, malformation etc. to damage because temperature increases too much.
In addition, water-cooling circulating system of the invention designs completely new circulation water cooling structure, using top and bottom
Internal notches and light-blocking lateral inner open the totally-enclosed water cooling cycle design of cooling water channel, and this design can increase same
Moment photon optical gate body interior reservoir storage, in maximum efficiency utilize cooling water, improve cooling velocity, can quickly, have
Effect ground prevents light splitting diaphragm from rising because of temperature caused by absorbing heat load.
The setting of absorption light barrier of the invention protects upstream device from the direct irradiation of synchrotron radiation light, while being whole
Individual protects the important blocking element in locking system.The absorption main body of photon shutter device is square structure, and on top surface
Special collimating element, it is convenient that point its completion is installed and collimated；It is internally provided with hydrologic cycle cooling system and temperature sensing dress
It sets, at light-receiving surface about 5-6mm, effectively the temperature to different parts inside photon optical gate can carry out real-time monitoring.
Detailed description of the invention
Fig. 1 is the top view of photon shutter device according to an embodiment of the invention；
Fig. 2 is the left view of photon shutter device as shown in Figure 1；
Fig. 3 is the sectional view of the line A-A along Fig. 1；
Fig. 4 is the right view of photon shutter device as shown in Figure 1；
Fig. 5 is the sectional view of the line C-C along Fig. 1；
Fig. 6 is the structural schematic diagram of photon shutter device and its motion adjustment mechanism as shown in Figure 1.
Specific embodiment
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing with specific embodiment pair
The present invention is described in further detail.Specific embodiment described herein is used only for explaining the present invention, is not used to
Limit the present invention.
As shown in Figure 1 for according to the photon shutter device of one embodiment of the present of invention comprising absorb main body 1, water cooling
But the circulatory system 2, collimator apparatus 3, temperature detection device 4, connecting flange 5 and adapter 6.
The shape for absorbing main body 1 is a square structure, datum level is set by several outer surfaces, in order to collimator apparatus 3
Welding and other processing, and facilitate installation and debugging.In addition, absorbing main body 1 uses high intensity, high rigidity, high-termal conductivity
And the dispersion-strengtherning albronze (Glidcop) or oxygen-free copper (OFHC) of high softening temperature performance are made.
As shown in figs 2-4, open that there are two extend to right end from the left end for absorbing main body 1, be used in the inside for absorbing main body 1
Respectively for the light hole 11 passed through into two light beams in compound (Canted) light beam line of the absorption main body 1 and one
Composite holes 12；In the present embodiment, the position of light hole 11 and composite holes 12 is according to two light in compound (Canted) light beam line
The spacing setting of beam, light hole 11 and 12 spacing of composite holes are equal to the spacing of two light beams in complex light bunch, to ensure light passing
When two light beams can pass through light hole 11 and composite holes 12 respectively.
Wherein, light hole 11 is a rectangular through-hole, so that photon shutter device is either in light passing mode or light-blocking
Mode, into the light hole light beam can completely by the device it is unobstructed, reach downstream light bunch.
As shown in Figures 2 and 3, opening is rectangle to composite holes 12, has underlying light passing portion 121 and is located above
Light-blocking part 122.Light passing portion 121 is that left and right perforation and height and the constant channel of width, height are set greater than the light
Maximum vertical height of the beam in drift, when photon shutter device is for light passing mode, light beam enters multiple from lower part
Hole 12 is closed, is overlapped into the center of the light beam of composite holes 12 with the center in light passing portion 121, so that the light beam can pass through photon
Shutter device.Light-blocking part 122 is the wedgy passage that is gradually reduced along the direction of travel of light beam of width, wedgy passage one of them
Side wall is light-receiving surface, and when photon shutter device is for light passing mode, light beam enters composite holes 12 from top, and wedgy passage can be with
It realizes the glancing incidence of light beam, to increase light-receiving surface, reduces the thermal power by absorbing Canted light beam to greatest extent and cause
Temperature rise.
The setting of photon shutter device composite holes of the invention as a result, so that in compound (Canted) light beam line
The light beam for realizing function, composite holes are for light-blocking when light-blocking mode, and composite holes are light passing channel when light-blocking mode；Light hole
It is arranged so that for the other light beam in complex light bunch, photon shutter device either light-blocking state or light passing shape
State, be all as light passing channel, thus absorb main body 1 realize to the wherein light beam of the complex light bunch of extra small angle into
While row light passing and light-blocking control, the use of an other light beam is nor affected on.
As shown in Figure 3 and Figure 4, since the heat load of Canted light beam is higher, power density is larger, if light beam is directly beaten
In the non-illuminated surface for absorbing main body 1, it is easy to functional damage occur and influence normal use, and then reduce photon optical gate dress
The precision and service life set；In addition, Canted light beam gets to wedge by glancing incidence when photon shutter device is in light-blocking mode
Reflected light can be generated when on shape channel and is diffused into upstream device, can be threatened to equipment and personal safety；Together
When light beam get to and can also generate neutron and bremsstrahlung on light-receiving surface and gas molecule, neutron and bremsstrahlung also can to the person and
Equipment safety threatens.In order to solve this problem, the present invention is equipped in the end of light-blocking part 122 to be connected with absorption main body 1
Absorption light barrier 7, for stopping the light beam when photon shutter device is in light-blocking mode by glancing incidence to get to wedgy passage
It is generated when upper to reflect and diffuse, prevent light beam from entering downstream by aperture, while also stop portions neutron and a piece of wood serving as a brake to halt a carriage cause
Radiation enters upstream device, and upstream device and personal safety is avoided to be on the hazard.In the present embodiment, light barrier 7 is absorbed to pass through
Screw, which is fastened on, to be absorbed in main body 1.
As shown in figure 5, water-cooling circulating system 2 is set to the inside for absorbing main body, including it is opened in absorption respectively
Multiple cooling troughs 21 on the top and bottom of main body 1 are respectively welded in the upper cover plate on the top and bottom for absorbing main body 1
22, lower cover plate 23 and the cooling water channel 24 set on 1 inside of main body is absorbed and positioned at the side of composite holes 12.Due to upper and lower cover
Plate 22,23 be respectively welded in absorb main body 1 top and bottom on, therefore upper and lower lids 22,23 can respectively with it is the multiple
Cooling trough 21 forms upper and lower cavities, realizes the sealing of upper and lower cavity.The light of the centre distance composite holes 12 of cooling water channel 24
The distance in face is 9-12mm or so.
The two sides up and down for absorbing main body 1 are each provided with two and pass through the water that the upper and lower lids 22,23 are connected to upper and lower cavities
Pipe 25, so that upper cavity and lower chamber form the cooling cycle of one-in-and-one-out all the way with these water pipes 25 respectively；Meanwhile absorbing master
The side of body 1 is equipped with the water pipe 25 that be connected to cooling water channel 24, each water pipe 25 and cooling water channel 24 be similarly formed all the way one into
One cooling cycle gone out.These water pipes 25 are connected separately with cutting ferrule far from the one end for absorbing main body 1 and lead directly to union 26, the cutting ferrule
Straight-through union with the whole cooling water system outside photon shutter device of the invention for being connected.Water cooling as a result, follows
Loop device 2 is by heat transfer, by photon shutter device because heat caused by the light-blocking high heat load for bearing Canted light beam passes
It passs away, and then plays the temperature for reducing the absorption main body 1 of photon shutter device, photon shutter device is avoided to increase because of temperature
The too many and damage such as cause material failure, malformation.
Water-cooling circulating system 2 of the invention opens cooling water using top and bottom internal notches and light-blocking lateral inner
The totally-enclosed water cooling cycle in road designs, and this design can increase synchronization in the reservoir storage of photon optical gate body interior,
Cooling water is utilized in maximum efficiency, improves cooling velocity.If being changed to the design that upper and lower surfaces are slotted at photon optical gate four
Face internal notches, only absorbing surface fluting to be to form Water-cooling circulating pipeline, or in internal totally-enclosed water-cooling circulating system is changed to
Outer circulation waterway circulating cooling system, these design schemes can also realize that will absorb the heat load that main body 1 absorbs transfers out
It goes.
Again referring to Fig. 6, the photon shutter device lower part where absorbing main body 1 is equipped with a fortune affixed with it by screw
Dynamic regulating mechanism 81 and a cylinder 82, the lower section of the motion adjustment mechanism 81 are equipped with an adjusting bracket 83, and the cylinder 82 is solid
Due in adjusting bracket 83 and its output end is connected with motion adjustment mechanism 81.Photon shutter device passes through motion adjustment mechanism 81
Realize the switching of light passing mode and light-blocking mode.
Collimator apparatus 3 is welded on the top surface (datum level for absorbing main body 1) for absorbing main body 1, in photon optical gate
Play the role of benchmark when device offline and online installation and debugging, by the calibration of collimator apparatus 3 and collimated light sub-light brake gear whole
Position in a system control net.In the present embodiment, the quantity of collimator apparatus 3 is 4.
Temperature detection device 4 is connected by thermocouple seat and thermocouple pressure pad and absorption main body 1, and the temperature detection device 4 is direct
It is inserted into inside the absorption main body 1 of photon optical gate with detector inner dimensions, it, can online in real time at light-receiving surface about 5-6mm
Monitor the temperature change of photon shutter device.
Two connecting flanges 5 are welded on left end and the right end for absorbing main body 1 by transfer tube 6 respectively, which uses
It is connected in the upstream and downstream equipment of photon shutter device of the invention.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes.For example, the light-blocking part of composite holes can be set to width rather than height is along light beam
Direction of travel is gradually reduced, and the absorption main body of photon shutter device is changed to cylindrical structure, cooling recirculation system by square structure
It is arranged along light beam direction of transfer arrangement.Made by i.e. all claims applied according to the present invention and description
Simply, equivalent changes and modifications fall within the claims of the invention patent.The not detailed description of the present invention is
Routine techniques content.
Claims (10)
1. a kind of photon shutter device, characterized in that it comprises:
One absorb main body (1), inside open there are two from absorb main body (1) left end extend to right end, for respectively for enter
The light hole (11) and a composite holes (12) that two light beams in the complex light bunch of the absorption main body (1) pass through；
One is located at the water-cooling circulating system (2) for absorbing main body (1) inside；
It is multiple to be welded to the collimator apparatus (3) for absorbing the top surface of main body (1)；And
At least one insertion absorbs the temperature detection device (4) of the inside of main body (1)；
Wherein, the light hole (11) is a rectangular through-hole；Composite holes (12) have underlying light passing portion (121) and are located at
The light-blocking part (122) of top；Light passing portion (121) is left and right perforation and height and the constant channel of width, light-blocking part (122) are
The wedgy passage that width is gradually reduced along the direction of travel of light beam, the end of light-blocking part (122) is equipped with to be connected with absorption main body (1)
Absorption light barrier (7).
2. photon shutter device according to claim 1, which is characterized in that the water-cooling circulating system (2) includes point
Be not opened in absorb main body (1) top and bottom on multiple cooling troughs (21), be respectively welded in absorb main body (1) top
On face and bottom surface and with the upper cover plate (22) of the upper and lower cavity of the cooling trough (21) formation, lower cover plate (23) and set on suction
It receives main body (1) inside and is located at the cooling water channel (24) of the side of composite holes (12)；The two sides up and down for absorbing main body (1) are respectively set
There are two the water pipes (25) being connected to across the upper and lower lids (22,23) with the upper and lower cavity, and absorb the side of main body (1)
Equipped with the water pipe (25) being connected to cooling water channel (24).
3. photon shutter device according to claim 2, which is characterized in that each water pipe (25) is far from absorption main body (1)
One end be connected separately with cutting ferrule lead directly to union (26).
4. photon shutter device according to claim 2 or 3, which is characterized in that one of side of the wedgy passage
Wall is light-receiving surface, and the distance of the centre distance of cooling water channel (24) light-receiving surface is 9-12mm.
5. photon shutter device according to claim 4, which is characterized in that the temperature detection device (4) is apart from light
Face 5-6mm.
6. photon shutter device according to claim 1, which is characterized in that described device further includes two and passes through transfer tube
(6) it is respectively welded at the connecting flange (5) of the left end and right end that absorb main body (1).
7. photon shutter device according to claim 1, which is characterized in that photon shutter device lower part be equipped with one with
The lower section of its affixed motion adjustment mechanism (81) and a cylinder (82), the motion adjustment mechanism (81) is equipped with an adjusting bracket
(83), the cylinder (82) is fixed in the adjusting bracket (83) and its output end is connected with the motion adjustment mechanism (81).
8. photon shutter device according to claim 1, which is characterized in that the absorption light barrier (7) is tight by screw
Gu on absorbing main body (1).
9. photon shutter device according to claim 1, which is characterized in that the absorption main body (1) is a square structure.
10. photon shutter device according to claim 1, which is characterized in that the absorption main body (1) uses dispersion-strengtherning
Albronze or oxygen-free copper are made.
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| CN201811032699.4A CN108983334A (en) | 2018-09-05 | 2018-09-05 | A kind of photon shutter device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709632A (en) * | 2019-01-15 | 2019-05-03 | 中国科学院上海应用物理研究所 | A kind of aperture device |
| CN110646936A (en) * | 2019-09-17 | 2020-01-03 | 中国科学院光电研究院 | Adjustable diaphragm device suitable for different light beam conditions |
| CN113140349A (en) * | 2021-04-23 | 2021-07-20 | 中国科学院高能物理研究所 | White-light water-cooling adjustable diaphragm device |
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