CN106841261A - A kind of vacuum gas target assembly controllable outside chamber - Google Patents
A kind of vacuum gas target assembly controllable outside chamber Download PDFInfo
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- CN106841261A CN106841261A CN201710128022.XA CN201710128022A CN106841261A CN 106841261 A CN106841261 A CN 106841261A CN 201710128022 A CN201710128022 A CN 201710128022A CN 106841261 A CN106841261 A CN 106841261A
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- 238000013519 translation Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000016776 visual perception Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000000441 X-ray spectroscopy Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/22—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
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Abstract
Vacuum gas target assembly controllable outside a kind of chamber, belongs to detection means technical field.The accurate adjustable of gas target length is realized present invention utilizes the combination of piston and rectilinear translation platform, make use of the combination of wireway and reset valve to realize the accurate controllable of gas target air pressure, make use of the retractility of telescopic bellows and the extensibility of wireway to realize the displacement operation of vacuum environment.Simple structure of the present invention, regulates and controls convenient and with low cost simultaneously, is applicable in social production or scientific experiment, it is necessary to the engineering field interacted under vacuum conditions using light and gaseous material.
Description
Technical field
The invention belongs to detection means technical field, vacuum gas target assembly controllable outside a kind of chamber is specifically related to.
Background technology
In some social production activities or scientific experiment research process, in order to avoid the interference or destruction of Atmospheric components,
It is frequently necessary to be completed in vacuum tightness environment the social production or scientific experiment of correlation, such as vacuum extreme ultraviolet, X-ray wave band
Radiation, its produce, interact and detection etc. process be required for completing under vacuum conditions because the photon of the wave band
It is easy to be die out by Atmospheric Absorption, therefore, in order to avoid the interference or destruction of Atmospheric components, it is necessary to operate under vacuum conditions.
The content of the invention
The present invention mainly solves the technical problem existing for above-mentioned prior art, there is provided vacuum gas controllable outside a kind of chamber
Body target assembly, gas target length precision is adjustable, gas target exempting to begin to speak to realize on the premise of (without opening vacuum action chamber)
The function such as air pressure precision is controllable, vacuum environment is operable.
Above-mentioned technical problem of the invention is mainly what is be addressed by following technical proposals：It is controllable true outside a kind of chamber
Air body target assembly, including air cavity, air cavity are hollow cylinder straight pipe, and the left end of the air cavity is plugged with left piston, air cavity
Right-hand member is plugged with right piston, and the end of the left piston is connected with left telescopic bellows, and the end of the left telescopic bellows connects
The left end for having left three-way pipe, the left three-way pipe is provided with entrance window, and the lower end of the left three-way pipe is connected with left extraposition three-way pipe, institute
The lower end for stating left extraposition three-way pipe is connected with reducing converting interface, and the other end of the reducing converting interface is connected with vacuum meter, the right work
The end of plug is connected with right telescopic bellows, and the end of the right telescopic bellows is connected with right three-way pipe, the right three-way pipe
Right-hand member be provided with exit window, the lower end of the right three-way pipe is connected with right external three-way pipe, and the lower end of the right external three-way pipe connects
The other end for having flapper valve, the flapper valve is connected with vavuum pump, passes through between the left extraposition three-way pipe and right external three-way pipe
Link bellows connection, the three-way pipe, telescopic bellows, external three-way pipe are connected with link bellows, are formed in one
The full communicating vacuum cavity in portion, the bottom of the piston is provided with fixed support draw-in groove, is provided with solid in the fixed support draw-in groove
Fixed rack, the support bracket fastened other end is connected with rectilinear translation platform, and the bottom of the rectilinear translation platform is connected with base, and straight line is put down
Used between moving stage and base and be slidably connected.
Preferably, the piston is in cylinder, it is made up of push-and-pull main body, sealed window and window pressing plate, sealed window
It is arranged between push-and-pull main body and window pressing plate, the push-and-pull body interior is hollow, hollow structure is in cone, the push-and-pull master
Body is provided with places seal O-ring in sealing ring draw-in groove, sealing ring draw-in groove, window aperture seal card is provided with the top of the push-and-pull main body
Groove and bolt hole, the window pressing plate inner hollow, window pressing plate pass through window aperture seal draw-in groove and bolt and the push-and-pull main body
It is closely coupled.
Preferably, the air cavity is provided with access port, the access port is connected with wireway, the other end of the wireway
Gas bomb is connected with, gas bomb is additionally provided with reset valve and barometer built with gas on the wireway.
Preferably, the air cavity is provided with air cavity fastens support.
Preferably, the interface of the three-way pipe, telescopic bellows, external three-way pipe, link bellows and flapper valve
KF40 vacuum flange standard interfaces are used, fastening sealing is carried out using seal O-ring and clip between each interface.
Preferably, the material of the air cavity is transparent with machine glass, contribute to direct visual perception light and gas phase
The process of interaction.
Preferably, the rectilinear translation platform is provided with some bolts hole, the fixed support is put down by bolt with straight line
Moving stage is spirally connected.
Operation principle of the invention is：Light beam for interacting is injected from entrance window, sequentially passes through left three-way pipe, a left side
Telescopic bellows and left piston, and interacted with the gas in air cavity, right piston, right scalable ripple are then sequentially passed through again
Line pipe and right three-way pipe, from exit window output.Wherein, the sealed window in piston needs to select material and thickness as the case may be
Degree.If dim light is injected from entrance window, sealed window can be using the transparent material of the wave band, and such as visible waveband can be using purple
Outer quartzy thin window piece；If high light is injected from entrance window, sealed window can use very thin steel disc, then using focusing
High light punctures the stalloy, can so pass through light beam, and the aperture for puncturing is unlikely to the too many gaseous material of leakage again.
The control method of gas target length of the present invention is：Sliding straight translation stage, pulls or promotes piston by fixed support,
Change the distance between two pistons in air cavity, so as to realize the accurate adjustable of gas target length, while being set on rectilinear translation platform
There are some bolts hole, by changing be spirally connected position of the fixed support on rectilinear translation platform, so as to adjust the mobile range of piston.
The control method of gas target air pressure of the present invention is：Gas in gas bomb imports air cavity through wireway, and forms static state
Gas target, air-flow size is controlled by reset valve, so as to control the air pressure size of air inflow and formation.
The control method of gas target displacement of the present invention is：The displacement of piston can be offseted by the stroke of telescopic bellows
Disappear, operation is begun to speak and device is moved integrally so as to avoid, and the air inflow of gas can be extended and by micro- by wireway
Adjust valve to access, accessed without beginning to speak.
The device have the advantages that：It is long gas target to be realized present invention utilizes the combination of piston and rectilinear translation platform
Degree it is accurate adjustable, make use of the combination of wireway and reset valve to realize the accurate controllable of gas target air pressure, make use of to stretch
The retractility of contracting bellows and the extensibility of wireway realize the displacement operation of vacuum environment.While simple structure of the present invention,
Regulation and control are convenient, and with low cost, are applicable in social production or scientific experiment, it is necessary to using light and gaseous material in vacuum ring
The engineering field interacted under border.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is inventive piston generalized section；
Fig. 3 is the combination diagram of rectilinear translation platform of the present invention and piston；
Fig. 4 is a kind of structural representation of present invention specific implementation example.
In figure：1st, air cavity；2nd, left piston；3rd, left telescopic bellows；4th, left three-way pipe；5th, entrance window；6th, left extraposition three
Siphunculus；7th, reducing converting interface；8th, vacuum meter；9th, exit window；10th, flapper valve；11st, vavuum pump；12nd, bellows is linked；13rd, it is fixed
Support draw-in groove；14th, fixed support；15th, rectilinear translation platform；16th, base；17th, push-and-pull main body；18th, sealed window；19th, window pressure
Plate；20th, sealing ring draw-in groove；21st, seal O-ring；22nd, window aperture seal draw-in groove；23rd, bolt hole；24th, access port；25th, wireway；
26th, gas bomb；27th, reset valve；28th, barometer；29th, air cavity fastens support；30th, fs-laser system；31st, condenser lens；32、
Femtosecond laser；33rd, soft X-ray spectrometer；34th, X-ray CCD；35th, right piston；36th, right telescopic bellows；37th, right threeway
Pipe；38th, right external three-way pipe.
Specific embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：Vacuum gas target assembly controllable outside a kind of chamber, as shown in figure 4, including air cavity, air cavity is hollow circle
Post straight pipe, the left end of the air cavity is plugged with left piston, and the right-hand member of air cavity is plugged with right piston, and the end of the left piston is connected with a left side
Telescopic bellows, the end of the left telescopic bellows is connected with left three-way pipe, and the left end of the left three-way pipe is provided with incidence
Window, the lower end of the left three-way pipe is connected with left extraposition three-way pipe, and the lower end of the left extraposition three-way pipe is connected with reducing converting interface, institute
The other end for stating reducing converting interface is connected with vacuum meter, and the end of the right piston is connected with right telescopic bellows, and the right side can stretch
The end of contracting bellows is connected with right three-way pipe, and the right-hand member of the right three-way pipe is provided with exit window, and the lower end of the right three-way pipe connects
The lower end for having right external three-way pipe, the right external three-way pipe is connected with flapper valve, and the other end of the flapper valve is connected with vavuum pump,
Between the left extraposition three-way pipe and right external three-way pipe by link bellows connect, the three-way pipe, telescopic bellows,
External three-way pipe is connected with link bellows, forms a full communicating vacuum cavity in inside, and the bottom of the piston is provided with
Fixed support draw-in groove, is provided with fixed support in the fixed support draw-in groove, the support bracket fastened other end is connected with rectilinear translation
Platform, the bottom of the rectilinear translation platform is connected with base, is used between rectilinear translation platform and base and is slidably connected.
The piston is in cylinder, is made up of push-and-pull main body, sealed window and window pressing plate, and sealed window is arranged on push-and-pull
Between main body and window pressing plate, the push-and-pull body interior is hollow, and hollow structure is provided with close in cone, the push-and-pull main body
Seal O-ring is placed in seal draw-in groove, sealing ring draw-in groove, window aperture seal draw-in groove and bolt are provided with the top of the push-and-pull main body
Hole, the window pressing plate inner hollow, window pressing plate is closely coupled with the push-and-pull main body by window aperture seal draw-in groove and bolt.
The air cavity is provided with access port, and the access port is connected with wireway, and the other end of the wireway is connected with gas storage
Bottle, gas bomb is additionally provided with reset valve and barometer built with gas on the wireway.
The air cavity is provided with air cavity and fastens support.
The interface of the three-way pipe, telescopic bellows, external three-way pipe, link bellows and flapper valve uses KF40
Vacuum flange standard interface, fastening sealing is carried out between each interface using seal O-ring and clip.
The material of the air cavity is the mistake for contributing to direct visual perception light to be interacted with gas transparent with machine glass
Journey.
The rectilinear translation platform is provided with some bolts hole, and the fixed support is spirally connected by bolt with rectilinear translation platform.
Wherein, entrance window uses CaF glass materials；800nm fs-laser systems are provided with the left of entrance window and are focused on saturating
Mirror, condenser lens is arranged between 800nm fs-laser systems and entrance window, and condenser lens uses the quartz material, focal length to be
400mm, fs-laser system can launch femtosecond laser, and its output pulse width is 45fs, and single pulse energy is 2mJ, output frequency
It is 1kHz；Three-way pipe and external three-way pipe use stainless steel, its interface to be KF40；Rectilinear translation platform use stroke for
The rectilinear translation platform of 50mm；Sealed window in piston uses the stalloy of 0.1mm thickness；Air cavity uses acrylic material；Lead
Tracheae uses the copper tube of 6mm external diameters；Reset valve uses the reset valve of needle valve structure；Barometer uses highly sensitive air pressure
Meter；Reducing converting interface turns the converting interface of KF35 using KF40；Vacuum meter uses the vacuum meter of KF35 interfaces；Contained in gas bomb lazy
Property gas Ar；Exit window with filtration residue 800nm laser and can pass through grenz ray using the A1 films of 500nm thickness；Exit window
Right-hand member be connected with soft X-ray spectrometer, soft X-ray spectrometer is connected with X-ray CCD.
Experimentation is as follows：800nm fs-laser systems launch femtosecond laser, are worn after femtosecond laser line focus lens focus
Cross CaF entrance windows and enter vacuum chamber, and converge on the sealing stalloy of piston, the laser breakdown stalloy of convergence, with air cavity
Interior gas Ar interacts and produces grenz ray, grenz ray to enter soft X-ray spectrometer, soft X-ray spectroscopy through A1 films
Instrument is connected with X-ray CCD, and X-ray is gathered and analyzes grenz ray.
Finally it is pointed out that above example is only the more representational example of the present invention.It is clear that the invention is not restricted to
Above-described embodiment, can also there is many deformations.Every any letter made to above example according to technical spirit of the invention
Single modification, equivalent variations and modification, are considered as belonging to protection scope of the present invention.
Claims (7)
1. a kind of vacuum gas target assembly controllable outside chamber, including air cavity, air cavity is hollow cylinder straight pipe, it is characterised in that
The left end of the air cavity is plugged with left piston, and the right-hand member of air cavity is plugged with right piston, and the end of the left piston is connected with left scalable ripple
Line pipe, the end of the left telescopic bellows is connected with left three-way pipe, and the left end of the left three-way pipe is provided with entrance window, the left side
The lower end of three-way pipe is connected with left extraposition three-way pipe, and the lower end of the left extraposition three-way pipe is connected with reducing converting interface, and the reducing turns
The other end of interface is connected with vacuum meter, and the end of the right piston is connected with right telescopic bellows, the right telescopic bellows
End be connected with right three-way pipe, the right-hand member of the right three-way pipe is provided with exit window, and the lower end of the right three-way pipe is connected with right external
Three-way pipe, the lower end of the right external three-way pipe is connected with flapper valve, and the other end of the flapper valve is connected with vavuum pump, described left outside
Put and connected by linking bellows between three-way pipe and right external three-way pipe, the three-way pipe, telescopic bellows, external threeway
Pipe is connected with link bellows, forms a full communicating vacuum cavity in inside, and the bottom of the piston is provided with fixed support
Draw-in groove, is provided with fixed support in the fixed support draw-in groove, the support bracket fastened other end is connected with rectilinear translation platform, described straight
The bottom of line translation stage is connected with base, is used between rectilinear translation platform and base and is slidably connected.
2. vacuum gas target assembly controllable outside a kind of chamber according to claim 1, it is characterised in that the piston is in cylinder
Body, is made up of push-and-pull main body, sealed window and window pressing plate, and sealed window is arranged between push-and-pull main body and window pressing plate, institute
State push-and-pull body interior hollow, in cone, the push-and-pull main body is provided with sealing ring draw-in groove to hollow structure, in sealing ring draw-in groove
Seal O-ring is placed, window aperture seal draw-in groove and bolt hole is provided with the top of the push-and-pull main body, in the window pressing plate inside
Sky, window pressing plate is closely coupled with the push-and-pull main body by window aperture seal draw-in groove and bolt.
3. vacuum gas target assembly controllable outside a kind of chamber according to claim 1, it is characterised in that the air cavity is provided with
Access port, the access port is connected with wireway, and the other end of the wireway is connected with gas bomb, and gas bomb is built with gas, institute
State and be additionally provided with wireway reset valve and barometer.
4. vacuum gas target assembly controllable outside a kind of chamber according to claim 1, it is characterised in that the air cavity is provided with
Air cavity fastens support.
5. vacuum gas target assembly controllable outside a kind of chamber according to claim 1, it is characterised in that the three-way pipe, can stretch
The interface of contracting bellows, external three-way pipe, link bellows and flapper valve uses KF40 vacuum flange standard interfaces, and each connects
Fastening sealing is carried out using seal O-ring and clip between mouthful.
6. a kind of vacuum gas target assembly controllable outside chamber according to claim 1, it is characterised in that the material of the air cavity
It is transparent with machine glass.
7. a kind of vacuum gas target assembly controllable outside chamber according to claim 1, it is characterised in that the rectilinear translation platform
Some bolts hole are provided with, the fixed support is spirally connected by bolt with rectilinear translation platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128022.XA CN106841261A (en) | 2017-03-06 | 2017-03-06 | A kind of vacuum gas target assembly controllable outside chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710128022.XA CN106841261A (en) | 2017-03-06 | 2017-03-06 | A kind of vacuum gas target assembly controllable outside chamber |
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| CN106841261A true CN106841261A (en) | 2017-06-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030121A (en) * | 2018-07-31 | 2018-12-18 | 山西中电科新能源技术有限公司 | A kind of pair of vacuum cavity gas is sampled and meets the method, apparatus and its component of positive pressure analysis |
| CN111385951A (en) * | 2018-12-29 | 2020-07-07 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
| CN113891543A (en) * | 2020-07-03 | 2022-01-04 | 中国科学院上海光学精密机械研究所 | 10GeV electron accelerated multi-stage gas target system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762054A (en) * | 2016-04-07 | 2016-07-13 | 绍兴文理学院 | Vacuum extracavity controllable static gas target device and using method thereof |
-
2017
- 2017-03-06 CN CN201710128022.XA patent/CN106841261A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762054A (en) * | 2016-04-07 | 2016-07-13 | 绍兴文理学院 | Vacuum extracavity controllable static gas target device and using method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030121A (en) * | 2018-07-31 | 2018-12-18 | 山西中电科新能源技术有限公司 | A kind of pair of vacuum cavity gas is sampled and meets the method, apparatus and its component of positive pressure analysis |
| CN111385951A (en) * | 2018-12-29 | 2020-07-07 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
| CN111385951B (en) * | 2018-12-29 | 2022-07-12 | 苏州瑞派宁科技有限公司 | Soft X-ray light source |
| CN113891543A (en) * | 2020-07-03 | 2022-01-04 | 中国科学院上海光学精密机械研究所 | 10GeV electron accelerated multi-stage gas target system |
| CN113891543B (en) * | 2020-07-03 | 2024-05-17 | 中国科学院上海光学精密机械研究所 | 10GeV electron acceleration multistage gas target system |
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Application publication date: 20170613 |
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