CN106764397B - The encapsulation of situ high pressure gas compression and pressure monitor system - Google Patents
The encapsulation of situ high pressure gas compression and pressure monitor system Download PDFInfo
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- CN106764397B CN106764397B CN201710040849.5A CN201710040849A CN106764397B CN 106764397 B CN106764397 B CN 106764397B CN 201710040849 A CN201710040849 A CN 201710040849A CN 106764397 B CN106764397 B CN 106764397B
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of high voltage pack containers, the encapsulation of situ high pressure gas compression and pressure monitor system, the system includes high voltage pack container, situ high pressure gas compression package system and situ high pressure gas pressure monitoring system, situ high pressure gas compression package system can not only be packaged a variety of inert gas transmission media, a variety of gaseous samples can also be packaged, situ high pressure gas pressure monitoring system can carry out accurate calibration to hyperpressure, wherein, high voltage pack container is equipped with optical observation window and pressurized gas inlet, the high pressure that gaseous sample or inertia transmission medium are generated in encapsulation process is monitored to, it ensure that the stably and controllable of pressure in encapsulation process mesohigh packaging container, avoid as high voltage pack container inner pressure it is uncontrollable caused by gaseous sample or inertia transmission medium encapsulation The problem of failure and damage diamond anvil cell press, and then improve the success rate of situ high pressure experiment.
Description
Technical field
The present invention relates to high-pressure science technical fields, supervise more particularly to a kind of encapsulation of situ high pressure gas compression and pressure
Examining system.
Background technique
High-pressure science is the subject of research substance a structure, state, change of properties rule under pressure, is one
Cover very extensive cross discipline.
At this stage, the capital equipment for experimentally obtaining GPa grades of super-pressure is diamond anvil cell press
(DiamondAanvilCell-DAC), sample is squeezed using the slight flat on pyramidal diamond top and generate high pressure, study object
Matter is under high pressure high temperature extreme condition, structure and physics and the new change of chemical property, new rule, to find new object
Matter, discovery new capability provide important scientific basis and completely new visual angle；In order to guarantee effect in the pressure on sample be it is each to
The same sex is simultaneously uniform (quiet aqueous conditions), and people have developed inert gas transmission medium, and inert gas has excellent in high pressure
Chemical stability will not generally react with sample, simultaneously as its intermolecular interaction is very weak, inert gas exists
Serious shear action will not be generated in inside after solidification, therefore hydrostatic can be kept under very high pressure.
During High-Voltage Experimentation research field is constantly expanded, equally can also encounter is gaseous sample under normal pressure, because
This, accompanying problem is that, how gaseous sample or transmission medium are packaged.The common solution of people at present
It is that high pressure compressed is carried out to gas, then " is squeezed into gaseous sample or transmission medium " in sample cavity by high pressure, completes to sample
The encapsulation of product or transmission medium.But this packaged type is due to needing to carry out high pressure compressed, packaging container used to gas
Steel totally-enclosed, can not in sample cavity sample or transmission medium state be monitored, often result in encapsulation failure, damage
The case where diamond anvil of bad valuableness, makes to test difficulty increase, is unfavorable for the further expansion of High-Voltage Experimentation research, therefore,
It needs to design a kind of completely new high voltage pack container, realizes the real-time monitoring to diamond anvil cell sample cavity in encapsulation process,
Guarantee the stably and controllable of experimentation, improves the success rate of situ high pressure experiment.
In addition, in order to guarantee that the experimental study under the conditions of this high pressure is extreme is smoothly implemented, it has to be possible to in sample cavity
Pressure locating for substance carries out Accurate Calibration, and common pressure calibration method is ruby fluorescence pressure calibration method at this stage, but
It is that, at present since portable spectrometer does not have the ability being monitored to such tiny area, common solution is to adopt
With the other large-scale micro confocal Spectrum testing systems of laboratory level, it is red that pressure mark is searched out by large-scale microscope subsidiary in system
Jewel simultaneously carries out spectral measurement to it, to carry out pressure calibration.But the optical interface of this large scale equipment is usually at present
Fixed, it can not be flexibly transformed, be matched with gaseous sample package system.Therefore, it is also desirable to design a kind of completely new pressure
Power calibration system carries out in-situ monitoring to the pressure in diamond anvil cell sample cavity in gaseous sample encapsulation process.
Summary of the invention
The object of the present invention is to provide one kind can to a variety of gaseous samples, transmission medium carry out high pressure compressed encapsulation and
High voltage pack container, the encapsulation of situ high pressure gas compression and the pressure monitoring system of observation and pressure monitoring in situ are carried out to sample cavity
System, to solve the above-mentioned problems of the prior art, so that can be to diamond in situ high pressure gas compression encapsulation process
Opposed anvils sample cavity carries out in-situ monitoring.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of high voltage pack container, including thick cyclinder and container cover, the container cover and the heavy wall
The one end of cylinder is sealedly and fixedly connected, and the other end of the thick cyclinder offers optical observation window, and the optics is seen
Cha Chuankouchu is sealed and installed with optical mirror slip, is provided with pressurized gas inlet on the side wall of the thick cyclinder.
The present invention also provides a kind of situ high pressure gas compression package systems including the high voltage pack container, further include
Gas cylinder and compressor, the gas cylinder, compressor and the high voltage pack container are sequentially communicated by pipeline, the gas cylinder with it is described
Pipeline between compressor is third pipeline, and the third pipeline is equipped with double gauge outfit pressure reducing valves, the compressor and the height
The pipeline of press seal packaging container is the first pipeline, and first pipeline is equipped with High Pressure Shutoff Valve, and first pipeline is respectively and very
Empty component is connected with pressure gauge, and the vacuum subassembly includes sequentially connected vacuum separation valve, vacuum meter and vacuum pump.
Preferably, one first rupture disk is provided on first pipeline.
Preferably, a vent valve is provided on first pipeline.
Preferably, gas recycling component is additionally provided in the situ high pressure gas compression package system, the gas returns
Receiving component includes the second pipeline, high and low voltage isolation valve and throttle valve, and the high and low voltage isolation valve and throttle valve setting are described the
On two pipelines, second pipeline one end is connected with first pipeline, and the other end is connected with the gas cylinder, the throttling
Valve is close to the gas cylinder.
Preferably, it is additionally provided with the second rupture disk in the gas recycling component, second rupture disk is arranged described
On second pipeline between throttle valve and the gas cylinder；Preferably, the other end of second pipeline and the third pipe
Road connection, second rupture disk are arranged in second pipeline and the third line connection.
In addition, the present invention also provides a kind of situ high pressure gas pressures including the situ high pressure gas compression package system
Contracting encapsulation and pressure monitor system, including high voltage pack container, situ high pressure gas compression package system and situ high pressure gas
Pressure monitor system, the high voltage pack container are internally provided with diamond anvil cell press, the diamond anvil cell press
Sample cavity in for placing sample and ruby, the situ high pressure gas pressure monitoring system includes coaxially setting gradually
Match focus lamp, object lens, white light coupling device, laser coupled device, imaging len and fiber coupler, the matching focus lamp
It is co-axially located at the optical observation window-external of the high voltage pack container, the focus of the matching focus lamp is located at the sample
On the ruby of chamber, the parallel rays that the white light coupling device launches white light source is reflexed in the object lens, described to swash
The exciting light that optically coupled device launches laser reflexes in the object lens, the fiber coupler by optical fiber successively with
Spectrometer is connected with display.
Preferably, be provided with imaging/measurement switching device between the imaging len and the fiber coupler, it is described at
Picture/measurement switching device reflexes to the light beam that the imaging len converges in the imaging sensor plane of camera, described to take the photograph
As head is electrically connected with the display.
Preferably, white light collimator is provided between the white light source and the white light coupler.
Preferably, it is disposed with laser attenuation group between the laser and the laser coupled device and laser turns to
Mirror.
The present invention achieve compared with the existing technology it is following the utility model has the advantages that
1, high voltage pack container of the invention is not only able to bear in gaseous sample or inertia transmission medium encapsulation process
The high pressure of generation also has optical observation window, so that gaseous sample or inertia transmission medium generated in encapsulation process
High pressure can be monitored to, and be ensure that the stably and controllable of pressure in encapsulation process mesohigh packaging container, avoided due to high pressure
Gaseous sample caused by pressure is uncontrollable in packaging container or inertia transmission medium encapsulation failure and damage diamond are to top
The problem of anvil press, and then improve the success rate of situ high pressure experiment.
2, situ high pressure gas compression package system of the invention can carry out situ high pressure encapsulation to multiple gases, to gas
The general non-selectivity of body can not only be packaged a variety of inert gas transmission media, moreover it is possible to seal to a variety of gaseous samples
Dress has high adaptability and flexibility, while situ high pressure gas compression package system can also be to high in encapsulation process
The pressure of body of calming the anger is monitored, and provides protection in system overvoltage.
3, situ high pressure gas compression of the invention encapsulation and pressure monitor system were encapsulated in situ high pressure gas compression
Accurate calibration can be carried out to hyperpressures more than million atmospheric pressure in journey, realize in situ high pressure gas compression encapsulation process
In to diamond anvil cell sample cavity carry out in-situ monitoring technical purpose, further improve situ high pressure experiment success
Rate；And its is compact-sized for pressure monitor system of the invention, has high adaptability and flexibility, and stable structure is convenient for
It carries, is easy to realize with plurality of target platform and dock, expanded the range of high-pressure science Yu other field joint study, for discovery
More peculiar high pressure new phenomenon, new rule, enrich people to the structure, property of substance under high pressure and the understanding of changing rule and
Understand, plays a key effect.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the overall structure diagram of high voltage pack container of the present invention；
Fig. 2 is the overall structure diagram of situ high pressure gas compression of the present invention encapsulation and pressure monitor system；
Fig. 3 is situ high pressure gas compression encapsulation of the present invention and the pressure that pressure monitor system is obtained when transmission medium is argon
Power demarcates spectrogram；
Wherein, 1- thick cyclinder, 2- container cover, 3- optical observation window, 4- optical mirror slip, 5- pressurized gas inlet, 6-
Container cover sealing ring, 7- sealing rubber ring, 8- gas cylinder, 9- compressor, the first pipeline of 10-, the second pipeline of 11-, 12- third pipeline,
The bis- gauge outfit pressure reducing valves of 13-, 14- High Pressure Shutoff Valve, 15- vacuum separation valve, 16- vacuum meter, 17- vacuum pump, 18- pressure gauge, 19-
First rupture disk, 20- vent valve, 21- high and low voltage isolation valve, 22- throttle valve, the second rupture disk of 23-, 24- diamond anvil cell
Press, 25- match focus lamp, 26- object lens, 27- white light coupling device, 28- laser coupled device, 29- imaging len, 30- light
Fine coupler, 31- white light source, 32- optical fiber, 33- spectrometer, 34- computer, 35- imaging/measurement switching device, 36- camera shooting
Head, 37- white light collimator, 38- laser attenuation group, 39- laser deviation mirror, 40- finely tune displacement platform, 41- laser, 42- pressure
Meter protection valve, 43- window mounting flange, 44- data line.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide one kind can to a variety of gaseous samples, transmission medium carry out high pressure compressed encapsulation and
Observation and the situ high pressure gas compression encapsulation of pressure monitoring in situ and pressure monitor system are carried out to sample cavity, so that in high pressure
In-situ monitoring is carried out to diamond anvil cell sample cavity in gas compression encapsulation process in situ.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Figs. 1-2, the present invention provides a kind of high voltage pack container, including thick cyclinder 1 and container cover 2, the appearance
Device lid 2 and the one end of the thick cyclinder 1 are sealedly and fixedly connected, and the other end of the thick cyclinder 1 offers optics sight
Window 3 is examined, optical mirror slip 4 is sealed and installed at the optical observation window 3, is provided with height on the side wall of the thick cyclinder 1
Press gas access 5.
Wherein, thick cyclinder 1 is stainless steel material, and is able to bear the high pressure of 0.2GPa；The appearance of high voltage pack container
Device lid 2 is buckled on thick cyclinder 1, and container cover 2 is fastened on one end of thick cyclinder 1 by lock screw, and in container cover 2 and heavy wall
It is provided with container cover sealing ring fixing groove on the contact surface of cylinder 1, container cover sealing ring 6 is mounted on container cover sealing ring and is fixed
In slot, container cover sealing ring 6 plays the role of sealing；Pressurized gas inlet 5, heavy wall circle are offered on the side wall of thick cyclinder 1
The other end of cylinder 1 offers optical observation window 3, is equipped with optical mirror slip 4 at optical observation window 3, optical observation window 3 with
It is also equipped with sealing rubber ring fixing groove on the contact surface of optical mirror slip 4, sealing rubber ring 7 is mounted in sealing rubber ring fixing groove,
Sealing rubber ring 7 plays the role of sealing, it is preferred that window mounting groove is provided at optical observation window 3, optical mirror slip 4 is pacified
In window mounting groove；In view of visible light permeability and the ability of receiving high pressure, optical mirror slip 4 is preferably thick quartz glass
It is made, material of the more preferable transparent sapphire as optical mirror slip 4；It is furthermore preferred that optical mirror slip 4 passes through window mounting flange 43
Fixed, window mounting flange 43 is connected by window flange lock screw with thick cyclinder 1, at the same window mounting flange 43 and
It is provided with sealing rubber ring 7 on the contact surface of optical mirror slip 4 and carries out high pressure sealing.
The high voltage pack container of optical window is had in the present invention, the internal diameter and depth of internal cavity are compared with diamond to top
Anvil press 24 is bigger, can diamond anvil cell press 24 be put into wherein and be completed pressure bearing and seal, meanwhile, it is designed in its bottom
There is optical window, guarantees to carry out internal diamond anvil cell press 24 visible light observation and monitoring, while guaranteeing
Do not occur to explode in ultra high pressure compression gas encapsulation process or leak, guarantees that encapsulation process is safe and reliable.
The present invention also provides a kind of situ high pressure gas compression package system including above-mentioned high voltage pack container, the systems
It further include gas cylinder 8 and compressor 9, the gas cylinder 8, compressor 9 and the high voltage pack container are sequentially communicated by pipeline, described
Pipeline between gas cylinder 8 and the compressor 9 is third pipeline 12, and the third pipeline 12 is equipped with double gauge outfit pressure reducing valves 13,
The pipeline of the compressor 9 and the high voltage pack container is the first pipeline 10, and first pipeline 10 is turned off equipped with high pressure
Valve 14, first pipeline 10 are connected with vacuum subassembly and pressure gauge 18 respectively, and the vacuum subassembly includes sequentially connected
Vacuum separation valve 15, vacuum meter 16 and vacuum pump 17.
Wherein, the present invention completes to vacuumize cleaning operation to high voltage pack container and related pipeline using vacuum subassembly.
Vacuum system is isolated with high-pressure system in carrying out extra-high encapsulation process, avoids high pressure gas by vacuum separation valve 15
Vacuum system is damaged, the preferably high pressure resistant needle-valve of vacuum separation valve 15 guarantees reliably to close 0.2GPa high pressure gas
It is disconnected；Vacuum meter 16 carries out type selecting according to the maximum vacuum that the vacuum pump 17 in system can reach.
After the source gas stored in gas cylinder 8 of the present invention passes through double gauge outfit pressure reducing valves 13, the pressure of gas source is depressurized to press
Contracting machine 9 can be within the scope of pressure of inspiration(Pi) after, such as 0.2MPa, gas enters in compressor 9, and then realizes gas cylinder 8 to compressor 9
Stablize gas supply, after the gas generated in compressor 9 through overcompression passes through the High Pressure Shutoff Valve 14 being arranged on the first pipeline 10
Into in high voltage pack container, in gas encapsulation process, pressure gauge 18 carries out encapsulation process mesohigh gas pressure real-time
Monitoring, protection is provided in system overvoltage, and the pressure limit that pressure gauge 18 monitors should be greater than the pressure of encapsulation process mesohigh gas
Force value, preferably the super-pressure bourdon tube pressure gauge of range 0.4GPa, the pressure transmitter of more preferable range 0.4GPa, by gas
Pressure transition is electric signal, realizes long-range monitoring, guarantees gas encapsulation operation personnel safety.
One first rupture disk 19 is provided in the present invention on the first pipeline 10, can be forced in system overvoltage to system
Interior high pressure gas is released, and is provided protection for system, is also provided safety guarantee for experimenter, preferably release stress for
The rupture disk of 0.3GPa.
A vent valve 20 is provided in the present invention on the first pipeline 10, for after the completion of experiment by the gas in system
Discharge.
In order to avoid/reduction is toxic, has the gas of pollution to get into the air, effective, safety carry out gas recovery operation,
The present invention is additionally provided with gas recycling component in situ high pressure gas compression package system, and gas recycling component includes the
Two pipelines 11, high and low voltage isolation valve 21 and throttle valve 22, the high and low voltage isolation valve 21 and throttle valve 22 are arranged described second
On pipeline 11, described second pipeline, 11 one end is connected with first pipeline 10, and the other end is connected with the gas cylinder 8, institute
Throttle valve 22 is stated close to the gas cylinder 8；Wherein, the effect of high and low voltage isolation valve 21 is to turn off gas in gas encapsulation process to return
Getter road, it is preferred that high and low voltage isolation valve 21 selects high pressure resistant needle-valve, guarantees 0.2GPa high pressure gas reliable turn-off；
The effect of throttle valve 22 is that the extra-high of 0.2GPa is depressurized to compared with pressure slightly higher in gas cylinder 8, returns gas depended on pressure
In return-air bottle 8, gas recycling is completed.It matches in gas recycling component gas removal process with vent valve 20, is returned in gas
After the completion of receipts, residual gas can be released into air by vent valve 20 in the present invention or be recycled using balloon etc., preferably
, vent valve 20 selects high pressure resistant needle-valve.
It is additionally provided with the second rupture disk 23 in the gas recycling component, second rupture disk 23 is arranged in the throttling
On second pipeline 11 between valve 22 and the gas cylinder 8, wherein in 23 protective gas removal process of the second rupture disk, the
There is a phenomenon where over-voltages for gas in two pipelines 11, preferably release stress the rupture disk for 20MPa, guarantee in the second pipeline 11
Gas pressure can be forced to release when being more than this pressure limitation；
Additionally, it is preferred that, the other end of heretofore described second pipeline 11 can be connected to third pipeline 12, and by
The setting of two rupture disks 23 enables the second rupture disk 23 to protect double tables simultaneously in the second pipeline 11 and 12 junction of third pipeline
Head pressure reducing valve 13 is not damaged with gas cylinder 8 by high pressure, ensures experimenter's safety.
In order to protect pressure gauge 18 not to be damaged, pressure gauge is set between pressure gauge 18 and the first pipeline 10 and protects valve
42, pressure gauge protects valve 42 that pressure gauge 18 is protected not damaged by vacuum during vacuumizing cleaning to system, such as pressure gauge
It is able to bear low vacuum, pressure gauge protection valve 42 also can be omitted.
The present invention also provides a kind of situ high pressure gas pressures including situ high pressure gas compression package system described above
Contracting encapsulation and pressure monitor system, including high voltage pack container, situ high pressure gas compression package system and situ high pressure gas
Pressure monitor system, the high voltage pack container are internally provided with diamond anvil cell press 24, the diamond anvil cell pressure
For placing sample and ruby in the sample cavity of machine 24, the situ high pressure gas pressure monitoring system includes coaxially successively setting
Matching focus lamp 25, object lens 26, white light coupling device 27, laser coupled device 28, imaging len 29 and the fiber coupler set
30, the matching focus lamp 25 is co-axially located at outside the optical observation window 3 of the high voltage pack container, and the matching focuses
The focus of mirror 25 is located on the ruby of the sample cavity, the directional light that the white light coupling device 27 launches white light source 31
For line reflection into the object lens 26, the exciting light that laser 41 is launched is reflexed to the object lens by the laser coupled device 28
In 26, the fiber coupler 30 is connect by optical fiber 32 with spectrometer 33, and spectrometer 33 passes through data line 44 and computer 34
Connection.
Wherein, matching focus lamp 25 is arranged in outside the optical observation window 3 of high voltage pack container by corresponding fastener
Side, it acts as by the white light focused by object lens 26, laser transfer be imaged to be arranged in high voltage pack container diamond pair
In the sample cavity for pushing up anvil press 24, at the same the picture of sample cavity and the feedback imaging of ruby fluorescence signal is attached to 26 focus of object lens
Closely, it is observed by picture of the object lens 26 to 24 sample cavity of diamond anvil cell press.In order to guarantee diamond anvil cell press
The imaging clearly of 24 sample cavities, while guaranteeing the transmitance of pressure calibration signal (ruby fluorescence signal), match focus lamp 25
The preferably biconvex lens of finite conjugate ratio, more preferably double glued achromatic lens of finite conjugate ratio, focal range are preferred
20-40mm。
Object lens 26 are preferably the micro objective of general long reach, in order to guarantee and diamond anvil cell optical interface
Matching, operating distance is preferred > 18mm；In order to guarantee that the imaging clearly of sample cavity, the enlargement ratio of object lens 26 are usually chosen larger than
10 times, preferably 20 to 50 times.White light source is normal illumination sources, and generic halogen lamp, cold light source, white light LEDs etc. can be used,
Purpose is to meet to illuminate to sample cavity and provide light source to sample cavity microexamination demand.
The main body of white light coupling device 27 is plane semi-transparent semi-reflecting lens, and saturating, the reflective preferred 30%:70% of ratio is extremely
70%:30%, more preferable 50%:50%, for the white light after collimation through the plane semi-transparent semi-reflecting lens, part is main with object lens 26 after reflecting
Optical axis is parallel, injects in object lens 26 and provides illumination for sample, meanwhile, the illuminating ray of sample reflection is transformed into flat by object lens 26
Row light beam, the collimated light beam part are injected in imaging len 29 by the plane semi-transparent semi-reflecting lens.The effect of imaging len 29 is
By sample through collimated light beam focal imaging, preferably achromatic doublet formed by object lens 26, it is desirable that also can be used when not high
Common plano-convex lens replace, and generally select focal range 150mm to 250mm, preferably 200mm, consistent with Optics in Microscope tube length,
Guarantee that the work of object lens 26 in nominal one, improves image quality.
Laser 41 is ruby fluorescence excitation light source, due to miniature requirement, preferred semiconductor laser or diode
Light-pumped solid state laser, since ruby glimmering R1 photopeak is 694.24nm under normal pressure, the laser for being less than the wavelength is logical
It often can inspire ruby fluorescence.But with the increase of pressure, ruby fluorescence can be quenched, it is necessary to using more
Short wavelength laser is excited, and still, selected optical maser wavelength also can not be too short, while also needing to take into account the spectral response model of object lens 26
It encloses, in order to improve launching efficiency, expands the range that can measure pressure, the preferred 400nm of exciting light that laser 41 generates is extremely
600nm, more preferable 400nm to 450nm.The chief component of laser coupled device 28 is the filter that one side has wavelength selectivity
Mirror is mounted in the mounting base that can be finely tuned, being capable of selectively reflection laser light beam, while transmission imaging beam or red treasured
Stone fluorescence signal light beam, laser coupled device 28 reflex to exciting light in object lens 26, converge to ruby position in sample.
Sample projects on fiber coupler 30 in the imaging on imaging len 29 in the present invention, and fiber coupler 30 is
The matching converting interface of microscopic system and optical fiber 32 plays the role of optical fiber 32 is fixed in the optical path, it is preferred that fiber coupler
30 have two-dimentional fine adjustment function, the incident end face of optical fiber 32 can be directed at ruby position in sample imaging, guaranteed red
Gemstone fluorescence signal is injected in optical fiber 32；Optical fiber 32 is by ruby fluorescence signal transduction into spectrometer 33, and fluorescence signal is by light
Grating beam splitting in spectrometer 33 forms spectrum, and is connect by data line 44 with computer 34, and computer 34 handles spectrum and calculates
Pressure environment locating for ruby obtains pressure in sample cavity.Wherein, spectrometer 33 is preferably miniature fiber spectrometer 33, due to
It has many advantages, such as small in size, portable stable.
In order to guarantee that white light source is directional light, it is provided between white light source 31 and the white light coupler in the present invention
White light collimator 37, white light collimator 37 are generally convex lens (group), carry out directional light collimation to point light source, light source is issued
Illuminating ray collimation is directional light, and guarantee is matched with the infinity of micro- optical path.If white light source sheet is as source of parallel light, white
Optical collimator 37 can also save.
In order to guarantee the light intensity of exciting light and guarantee to focus on exciting light on the basis of not adjusting laser 41 red
On jewel, laser attenuation group 38 is disposed in the present invention between laser 41 and the laser coupled device and laser turns
To mirror 39；Wherein, laser attenuation group 38 is one group of neutral density attenuator, is generated in various degree by various combination to laser
Decaying, exciting light light intensity needed for reaching experiment, the neutral density decaying which can also be variable with continuous variable or step
Piece replaces, and also can be omitted when of less demanding.The main body of laser deviation mirror 39 is plane mirror, and being mounted on can finely tune
In reflecting mirror mounting base, while cooperating with laser coupled device 28 and adjusting, it is therefore an objective to laser be turned to, keep laser and object lens 26 main
The parallel simultaneously centering of optical axis, guarantees that exciting light focuses on ruby.Such as laser 41 installation site itself, adjustable angle, laser
Deviation mirror 39 can also save, and laser is projected directly on laser coupled device 28.
In order to show the amplified imaging of sample, in imaging len 29 and the fiber coupler 30 in the present invention
Between be provided with imaging/measurement switching device 35, the light that the imaging/measurement switching device 35 converges the imaging len 29
Beam reflexes in the imaging sensor plane of camera 36, and the camera 36 is electrically connected with the computer 34；Wherein, at
The main body of picture/measurement switching device 35 is a face reflecting mirror, is designed to there is incision/removal, under incision state, imaging
The light beam that lens 29 converge is by in the imaging sensor plane of 90 ° of corner reflections to camera 36, camera 36 passes through data line
44 are connected with computer 34, and are shown the amplified picture of sample by computer display screen.
In order to realize positioning and focusing of the object lens 26 to sample cavity, by situ high pressure gas pressure monitoring system in the present invention
It is mounted on fine tuning displacement platform 40, fine tuning displacement platform 40 is accurate three axis manual displacement platforms, can be made by adjusting knob
Situ high pressure gas pressure monitoring system placed on it, to tri- direction micro-positioning regulators of XYZ, is realized micro- with micron order stroke
Positioning and focusing of the system to sample cavity.
High voltage pack container of the invention is not only able to bear to produce in gaseous sample or inertia transmission medium encapsulation process
Raw high pressure also has optical observation window 3, so that the height that gaseous sample or inertia transmission medium generate in encapsulation process
Pressure energy is enough monitored to, and be ensure that the stably and controllable of pressure in encapsulation process mesohigh packaging container, is avoided due to high press seal
Gaseous sample caused by pressure is uncontrollable in packaging container or inertia transmission medium encapsulation failure and damage diamond anvil cell
The problem of press 24, and then improve the success rate of situ high pressure experiment.
Situ high pressure gas compression package system of the invention can carry out situ high pressure encapsulation to multiple gases, to gas
General non-selectivity can not only be packaged a variety of inert gas transmission media, moreover it is possible to a variety of gaseous samples is packaged,
With high adaptability and flexibility, while situ high pressure gas compression package system can also be to encapsulation process mesohigh gas
The pressure of body is monitored, and provides protection in system overvoltage.
Situ high pressure gas compression encapsulation of the invention and pressure monitor system are in situ high pressure gas compression encapsulation process
In can to hyperpressures more than million atmospheric pressure carry out accurate calibration, realize in situ high pressure gas compression encapsulation process
The technical purpose that in-situ monitoring is carried out to diamond anvil cell sample cavity further improves the success rate of situ high pressure experiment；
And its is compact-sized for pressure monitor system of the invention, has high adaptability and flexibility, stable structure, convenient for taking
Band is easy to realize with plurality of target platform and dock, expanded the range of high-pressure science Yu other field joint study, to find more
For peculiar high pressure new phenomenon, new rule enriches people to the structure, property of substance under high pressure and the understanding and reason of changing rule
Solution, plays a key effect.
Embodiment 1:
In the present embodiment, using situ high pressure gas compression encapsulation of the invention and pressure monitor system, to diamond
Argon gas is filled with as transmission medium in opposed anvils press sample cavity, and with ruby pressure calibration system monitoring sample cavity internal pressure
Power, specific operation process are as follows:
In the present embodiment, used diamond anvil cell press device anvil face diameter is 500 μm, will be with a thickness of
The T301 stainless steel foil of 0.25mm is depressed into 40 μm in advance, and the hole that one diameter of tungsten carbide stylus printer is 160 μm at impression center is made
For sample cavity, laboratory sample is fitted into sample cavity, while being packed into the ruby microballoon that diameter is 10 μm, is used to calibration sample chamber
In pressure；Diamond anvil cell device is sealed, diamond anvil cell is fitted into high voltage pack container, by high voltage pack container
Sealing.Imaging/measurement switching device is transformed into " incision " state；White light source is opened, fine tuning displacement platform is adjusted, makes sample cavity
Imaging clearly, by sample cavity ruby adjust to the visual field center, open laser simultaneously adjust laser power, at this time it can be seen that
Ruby issues feux rouges under the irradiation of laser；Imaging/measurement switching device is converted to " removal " state, light path converting is glimmering
Light spectra collection state；Ruby fluorescence spectrum is read from display.High-purity argon gas gas cylinder is connected to gas cylinder position in pneumatic diagram 1
It sets, closes high and low voltage isolation valve, throttle valve, close double gauge outfit pressure reducing valves, open argon gas gas cylinder, observe double gauge outfit pressure reducing valve high pressures
End pressure indicates number, should be in 5-15MPa or so.So far, the preparation of diamond anvil cell gas compression encapsulation is completed.
Vacuum cleaned is carried out to system, the foreign gases such as air in removal system.1) vacuum separation valve is closed, by vacuum pump
It is disconnected with system；Vent valve is opened, the connection of system and atmosphere is connected；High and low voltage isolation valve, throttle valve are opened, due to argon at this time
Gas pressure in gas cylinder is greater than air pressure in system, and gas can be recycled the air in gas circuit and headed by high-purity argon gas in gas cylinder
In system；After waiting more than ten seconds, the air in gas recycling gas circuit is almost ejected completely, closes high and low voltage isolation valve, throttling
Valve disconnects gas and recycles gas circuit, completes the cleaning to gas recycling gas circuit.2) double gauge outfits decompression valve outlet pressure is adjusted to
2MPa reaches the pressure of inspiration(Pi) of two-stage diaphragm type superhigh pressure gas compressor.Vent valve is closed, the company of system and atmosphere is disconnected
It connects；It opens pressure gauge and protects valve, cut-in pressure meter；Compressor is opened, High Pressure Shutoff Valve is opened, system is inflated.At this point, compression
Air in machine is compressed, and is filled in system, and is gradually substituted by high-purity argon gas in compressor.Pressure gauge is observed, when pressure reaches
When to 0.2GPa, High Pressure Shutoff Valve is closed, close compressor completes the cleaning to compressor.3) vent valve is opened, it will be in system
The high pressure gas for being mixed with air is released into atmosphere；After gas pressure balancing, vacuum separation valve is opened, by vacuum pump and system
It is connected；Meanwhile closing pressure gauge and protecting valve, High Pressure Shutoff Valve, pressure gauge, compressor etc. in system are easily damaged by vacuum
Component and system disconnect；Vent valve is closed, the gas circuit that will release disconnects.Vacuum pump is opened, system is vacuumized.Vacuum meter is observed,
When system reaches minimum vacuum degree, vacuum separation valve is closed, vacuum pump and system are disconnected, closes vacuum pump.Open height
Isolating valve, throttle valve are pressed, system is inflated, closes high and low voltage isolation valve, throttle valve after reaching pressure balance, at this time gas in system
Body all high-purity argon gas.It is necessary to when, step 1-3 can be re-started, it is ensured that foreign gas has been cleaned dry in system
Only.
Gas compression encapsulation is carried out, compressor is opened, starts to carry out high pressure compressed to packed gas；Open high pressure shutdown
Valve connects compressor high pressure gas and exports gas circuit；Opening pressure gauge protection valve, cut-in pressure meter, meanwhile, observe pressure calibration system
The ruby fluorescence spectrum acquired in system.In the present embodiment, the ruby fluorescence spectrum obtained in pressure process is as shown in Figure 3.
It will be clear that ruby fluorescence peak with the increase of pressure, is moved to long wave length direction from figure.In normal pressure state
Under, ruby fluorescence peak position is
694.22nm and 692.8nm, wherein we are concerned with the corresponding R1 fluorescence peak of 694.22nm.Under high pressure, red
Two fluorescence peaks of jewel are broadened, and cause two fluorescence peaks to overlap each other, we are fitted it, have obtained height
Depress the peak position at the ruby fluorescence peak peak R1.By the research of forefathers it is found that the peak position of ruby R1 fluorescence peak is with pressure change
Meet following equation:
Wherein, λ is ruby R1 Fluorescent peal under stress, unit nm；λ 0 is ruby R1 fluorescence under normal pressure
Peak position, unit nm；B is constant, and B=7.665, B=5 under the conditions of non-hydrostatic are selected under the conditions of quasi- hydrostatic pressing.
In the present embodiment, choosing transmission medium is liquid argon, ensure that quasi- hydrostatic, B chooses 7.665, according to ruby
The pressure that R1 Fluorescent peal is calculated.When sample cavity internal pressure reaches 0.2GPa, High Pressure Shutoff Valve is closed, closes high pressure
Compressor, gas compression encapsulation are completed, and high-purity argon gas has been used as transmission medium to be enclosed in diamond anvil cell sample cavity.
High pressure gas recycles and releases.High and low voltage isolation valve is opened, gas is connected and recycles gas circuit；Slowly unscrewing throttle valve,
High pressure gas returns in gas cylinder through gas recycling gas circuit at this time.Pressure gauge is observed, when pressure slowly declines, is stopped to throttle valve
Continue unscrew；Wait pressure gauge registration to drop to identical as double gauge outfit pressure reducing valve high pressure end pressure registrations, closing high-low pressure every
From valve, throttle valve, disconnects gas and recycle gas circuit.Vent valve is opened, by high-pressure gas circuit and atmosphere, middle use in the present embodiment
Transmission medium be high-purity argon gas can be directly released in atmosphere due to there is no toxicity.
Normal pressure is dropped to pressure gauge registration, there is no gas discharges for high pressure gas bleed outlet, high voltage pack container is opened,
Diamond anvil cell is taken out, the experiment of next step situ high pressure is continued.
Embodiment 2:
In the present embodiment, using situ high pressure gas compression encapsulation of the invention and pressure monitor system, to diamond
Hydrogen sulfide is filled with as laboratory sample in opposed anvils press sample cavity, and with ruby pressure calibration system monitoring sample cavity internal pressure
Power, specific operation process are as follows:
In the present embodiment, the anvil face diameter of used diamond anvil cell press device is 300 μm, first with anvil
Face diameter is 300 μm of diamond anvil cell press device, be 99.97% to purity, with a thickness of 250 μm, having a size of 5mm ×
The square metal rhenium foil of 5mm carries out precompressed, forms the hole that a diameter is 100 μm at impression center using electric spark-erosion perforation machine
As sample cavity, it is packed into the ruby microballoon that diameter is 5 μm, for the pressure in calibration sample chamber；Seal diamond anvil cell
Diamond anvil cell is fitted into high voltage pack container by device, and high voltage pack container is sealed.By imaging/measurement switching device
It is transformed into " incision " state, optical path is microexamination optical path；White light source is opened, fine tuning displacement platform is adjusted, sample cavity is imaged
Clearly, the ruby in sample cavity is adjusted to visual field center, open laser and adjusts laser power, at this time it can be seen that red treasured
Stone issues feux rouges under the irradiation of laser；Imaging/measurement switching device is converted to " removal " state, light path converting is fluorescence light
Compose acquisition state；Ruby fluorescence spectrum is read from display.High-pure hydrogen sulfide gas cylinder is connected to gas cylinder position in pneumatic diagram,
High and low voltage isolation valve, throttle valve are closed, double gauge outfit pressure reducing valves is closed, opens argon gas gas cylinder, observes double gauge outfit pressure reducing valve high-voltage ends
Pressure gauge registration, should be in 2-4MPa or so.So far, the preparation of diamond anvil cell gas compression encapsulation is completed.
Use hydrogen sulfide as sample by middle in this present embodiment, this gas has certain toxicity, it is necessary to carry out gas
The control of discharge.In in the present embodiment, in vent valve outlet end, vacuum pump gas vent, it is all connected with hydrogen sulfide absorption filtering
Device guarantees not cause hydrogen sulfide to reveal in encapsulation process.
Vacuum cleaned is carried out to system, the foreign gases such as air in removal system.1) vacuum separation valve is closed, by vacuum pump
It is disconnected with system；Vent valve is opened, the connection of system and hydrogen sulfide absorption filter device and atmosphere is connected；Open high and low voltage isolation
Valve, throttle valve, since the gas pressure in hydrogen sulfide gas cylinder at this time is greater than air pressure in system, high-pure hydrogen sulfide meeting in gas cylinder
Gas is recycled the air in gas circuit to head into system；After waiting more than ten seconds, the air that gas recycles in gas circuit is almost complete
High and low voltage isolation valve, throttle valve are closed in ejection, are disconnected gas and are recycled gas circuit, and the cleaning to gas recycling gas circuit is completed.It 2) will be double
Gauge outfit decompression valve outlet pressure is adjusted to 2MPa, reaches the pressure of inspiration(Pi) of two-stage diaphragm type superhigh pressure gas compressor.Closing is put
Air valve disconnects the connection of system and hydrogen sulfide absorption filter device and atmosphere；It opens pressure gauge and protects valve, cut-in pressure meter；It beats
Compressor is opened, High Pressure Shutoff Valve is opened, system is inflated.At this point, the air in compressor is compressed, it is filled in system, and presses
It is gradually substituted by high-pure hydrogen sulfide in contracting machine.Pressure gauge is observed, when pressure reaches 0.2GPa, High Pressure Shutoff Valve is closed, closes
Compressor completes the cleaning to compressor.3) vent valve is opened, the high pressure gas that air is mixed in system is inhaled by hydrogen sulfide
Filter device is received to release into atmosphere；After gas pressure balancing, vacuum separation valve is opened, vacuum pump is connected with system；
Meanwhile close pressure gauge protect valve, High Pressure Shutoff Valve, by pressure gauge, compressor etc. in system easily by vacuum damage component with
System disconnects；Vent valve is closed, the gas circuit that will release disconnects.Vacuum pump is opened, system is vacuumized.Vacuum meter is observed, system is worked as
When reaching minimum vacuum degree, vacuum separation valve is closed, vacuum pump and system are disconnected, closes vacuum pump.Open high and low voltage isolation
Valve, throttle valve inflate system, close high and low voltage isolation valve, throttle valve after reaching pressure balance, gas is complete in system at this time
Portion is high-pure hydrogen sulfide.It is necessary to when, step 1-3 can be re-started, it is ensured that foreign gas has been cleaned in system.
Carry out gas compression encapsulation.Compressor is opened, starts to carry out high pressure compressed to packed gas；Open high pressure shutdown
Valve connects compressor high pressure gas and exports gas circuit；Opening pressure gauge protection valve, cut-in pressure meter, meanwhile, observe pressure calibration system
The ruby fluorescence spectrum acquired in system.Ruby fluorescence spectrum is fitted, the ruby fluorescence peak peak R1 under high pressure is obtained
Peak position, the pressure in sample cavity is calculated by formula.When pressure reaches 0.2GPa, High Pressure Shutoff Valve is closed, is closed
High pressure compressor, gas compression encapsulation are completed, and high-pure hydrogen sulfide has been used as transmission medium to be enclosed diamond anvil cell sample
In chamber.
High pressure gas recycles and releases, and opens high and low voltage isolation valve, connects high pressure gas and recycles gas circuit；Slowly unscrewing throttling
Valve, high pressure gas returns in gas cylinder through gas recycling gas circuit at this time.Pressure gauge is observed, when pressure slowly declines, is stopped to section
Stream valve continues to unscrew；It waits pressure gauge registration to drop to identical as double gauge outfit pressure reducing valve high pressure end pressure registrations, closes height
Isolating valve, throttle valve are pressed, gas is disconnected and recycles gas circuit.Open vent valve, by high-pressure gas circuit and hydrogen sulfide absorption filter device and
Atmosphere, in the present embodiment used in transmission medium be high-pure hydrogen sulfide, due to toxicity, it is necessary to be inhaled by hydrogen sulfide
Filter device is received to be released in atmosphere.
Normal pressure is dropped to pressure gauge registration, there is no gas discharges for high pressure gas bleed outlet.Hydrogen sulfide gas cylinder is changed, is changed
Upper nitrogen cylinder further cleans system, removes residual hydrogen sulfide.High voltage pack container is opened, takes out diamond to top
Anvil continues the experiment of next step situ high pressure.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (8)
1. a kind of situ high pressure gas compression encapsulation and pressure monitor system, which is characterized in that including high voltage pack container, high pressure
Gas compression package system in situ and situ high pressure gas pressure monitoring system, the high voltage pack container include thick cyclinder and
Container cover, the container cover and the one end of the thick cyclinder are sealedly and fixedly connected, and the other end of the thick cyclinder is opened
Equipped with optical observation window, it is sealed and installed with optical mirror slip at the optical observation window, is set on the side wall of the thick cyclinder
It is equipped with pressurized gas inlet；The high voltage pack container is internally provided with diamond anvil cell press, the diamond anvil cell
The sample cavity of press is for placing sample and ruby；The situ high pressure gas compression package system includes gas cylinder and compression
Machine, the gas cylinder, compressor and the high voltage pack container are sequentially communicated by pipeline, between the gas cylinder and the compressor
Pipeline be third pipeline, the third pipeline is equipped with double gauge outfit pressure reducing valves, the compressor and the high voltage pack container
Pipeline be the first pipeline, first pipeline be equipped with High Pressure Shutoff Valve, first pipeline respectively with vacuum subassembly and pressure
Power meter is connected, and the vacuum subassembly includes sequentially connected vacuum separation valve, vacuum meter and vacuum pump；The situ high pressure gas
Body pressure monitor system include the matching focus lamp coaxially set gradually, object lens, white light coupling device, laser coupled device, at
As lens and fiber coupler, the matching focus lamp is co-axially located at outside the optical observation window of the high voltage pack container
The focus in portion, the matching focus lamp is located on the ruby of the sample cavity, and the white light coupling device emits white light source
Parallel rays out reflexes in the object lens, and the exciting light that the laser coupled device launches laser reflexes to described
In object lens, the fiber coupler is connect by optical fiber with spectrometer, and the spectrometer is connect by data line with computer.
2. situ high pressure gas compression according to claim 1 encapsulation and pressure monitor system, which is characterized in that described the
One first rupture disk is provided on one pipeline.
3. situ high pressure gas compression according to claim 1 encapsulation and pressure monitor system, which is characterized in that described the
A vent valve is provided on one pipeline.
4. situ high pressure gas compression encapsulation according to claim 1 and pressure monitor system, which is characterized in that the height
It presses and is additionally provided with gas recycling component in gas compression package system in situ, the gas recycling component includes the second pipeline, height
Low pressure isolating valve and throttle valve, the high and low voltage isolation valve and throttle valve are arranged on second pipeline, second pipeline
One end is connected with first pipeline, and the other end is connected with the gas cylinder, and the throttle valve is close to the gas cylinder.
5. situ high pressure gas compression encapsulation according to claim 4 and pressure monitor system, which is characterized in that the gas
It is additionally provided with the second rupture disk in body recycling component, second rupture disk is arranged between the throttle valve and the gas cylinder
On second pipeline；The other end of second pipeline and the third pipeline connection, second rupture disk are arranged in institute
State the second pipeline and the third line connection.
6. situ high pressure gas compression according to claim 1 encapsulation and pressure monitor system, which is characterized in that it is described at
As being provided with imaging/measurement switching device between lens and the fiber coupler, the imaging/measurement switching device will be described
The light beam of imaging len convergence reflexes in the imaging sensor plane of camera, and the camera is connect with the computer.
7. situ high pressure gas compression encapsulation according to claim 1 and pressure monitor system, which is characterized in that described white
White light collimator is provided between light source and the white light coupler.
8. situ high pressure gas compression encapsulation according to claim 1 and pressure monitor system, which is characterized in that described to swash
Laser attenuation group and laser deviation mirror are disposed between light device and the laser coupled device.
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| CN109990094B (en) * | 2017-12-31 | 2021-04-13 | 中国人民解放军63653部队 | Sealing protection and opening method of observation device under action of explosion impact |
| CN109557092B (en) * | 2018-11-22 | 2019-12-31 | 中国人民解放军军事科学院国防科技创新研究院 | Cranial nerve stimulation device for enhancing cognitive function of brain |
| CN113092529B (en) * | 2021-04-02 | 2022-03-25 | 东北大学 | Gas distribution device and method for protecting explosion venting film based on pressure balance principle |
| CN115899339B (en) * | 2023-03-10 | 2023-05-26 | 成都凯天电子股份有限公司 | Inverted arch type optical fiber rupture disk |
| CN116558944B (en) * | 2023-07-12 | 2023-11-10 | 吉林大学 | Diamond-based anvil cell air film driving rapid supercharging device |
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| GB1048976A (en) * | 1962-05-02 | 1966-11-23 | Gen Electric | A high pressure apparatus |
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