CN207114321U - The heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave - Google Patents
The heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave Download PDFInfo
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- CN207114321U CN207114321U CN201721134546.1U CN201721134546U CN207114321U CN 207114321 U CN207114321 U CN 207114321U CN 201721134546 U CN201721134546 U CN 201721134546U CN 207114321 U CN207114321 U CN 207114321U
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Abstract
The utility model discloses the heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave, including loading zone electrode target and probe frock, the loading zone electrode target and probe frock form sealed gas chamber after connecting as one, also include nitrogen fill nipple, nitrogen export joint and vacuum pumping hole, the nitrogen fill nipple, nitrogen export joint and vacuum pumping hole communicate with sealed gas chamber respectively.The utility model realizes a kind of purpose that the mode that initial temperature is cooled can be preset to sample in Magnetic driving oblique wave compression experiment, the problem of that test probe at low temperature condense in air steam and can not use, influence experimental data normal acquisition, is solved in experiment simultaneously.
Description
Technical field
It the utility model is related to Magnetic driving oblique wave compression technique area, and in particular to sample in being compressed for Magnetic driving oblique wave
The heat sink of initial temperature.
Background technology
In the research of the dynamic behaviors such as the phase transformation of material, constitutive relation, state equation, initial temperature T0It is Important Parameters.
The difference of initial temperature directly results in the difference of mechanical condition needed for material phase transformation, causes constitutive relation, state equation expression shape
Difference in formula.For influence of the further investigation initial temperature to material kinetics behavior, it usually needs utilizing gas big gun, Magnetic driving
Before the dynamic behavior of the Dynamic loading technique research material such as oblique wave loading technique, sample initial temperature state is changed,
The temperature of sample area is set to reach temperature needed for research.
Compared to gas big gun loading technique, the compression of Magnetic driving oblique wave is the new experiment loading technique of nearly more than ten years development, is matched somebody with somebody therewith
The default sample initial temperature technology of set is also seldom, and falling temperature technique is even more blank.
Further, since Magnetic driving oblique wave compression experiment load region is in extremely complicated electromagnetic environment in experimentation
In, therefore non-contacting flash ranging means can only be used here.At low ambient temperatures, the moisture in probe and near sample surface air
Son can condense, and stop the propagation of testing laser, influence the normal acquisition of experimental data.
Utility model content
The purpose of this utility model is being used for the heat sink of sample initial temperature in the compression of Magnetic driving oblique wave in offer, real
A kind of purpose of existing mode that the default initial temperature of sample in Magnetic driving oblique wave compression experiment can be cooled, while solve reality
Test test probe to condense steam in air at low temperature and can not use, the problem of influenceing experimental data normal acquisition.
The utility model is achieved through the following technical solutions：
The heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave, including loading zone electrode target and probe work
Dress, the loading zone electrode target and probe frock form sealed gas chamber, in addition to nitrogen fill nipple, nitrogen after connecting as one
Export joint and vacuum pumping hole, the nitrogen fill nipple, nitrogen export joint and vacuum pumping hole respectively with sealed gas chamber
Communicate.Further, asking for the sample initial temperature falling temperature technique blank in Magnetic driving oblique wave compression experiment loading technique
Topic, the utility model devise a kind of heat sink, including loading zone electrode target and probe frock, pass through special loading zone electricity
Pole target and probe frock, make loading zone electrode target and sample, and sample is fixed on required position with test probe；Pass through past electrode again
Injection compressed nitrogen, can reach the purpose to sample cooling in the sealed gas chamber that target and probe frock are formed.The utility model is also
Sealed gas chamber is connected with vacuum pumping hole, by vavuum pump, extracts loading zone electrode target and the closed gas of probe frock formation out
Indoor air, test probe can be avoided can not to be used due to the steam in cryogenic temperature condensation air, it is normal to influence experimental data
The problem of collection.
Axial height identical cylinder air chamber and octahedra air chamber, the cylinder air chamber are provided with loading zone electrode target
Positioned at the center of octahedra air chamber.Further, cylinder air chamber is used to connect with vacuum pumping hole, and probe and sample are respectively positioned on post
Body plenum interior, the air in cylinder air chamber can be extracted out with being communicated in vacuum pumping hole using vacuum air pump, effectively avoided
Hydrone in probe and near sample surface air can condense, the problem of stopping the propagation of testing laser.Octahedra air chamber
It is mainly used in being connected with nitrogen fill nipple, nitrogen export joint, by nitrogen fill nipple to octahedra air chamber and cylinder gas
Injection continuing nitrogen in the sealed gas chamber formed between room, while nitrogen export joint persistently exports nitrogen, reaches and gives cylinder gas
The purpose of room cooling so that sample in cylinder air chamber is preset initial temperature and achieved the goal temperature.
Preferably, the top of the cylinder air chamber and octahedra air chamber is also provided with seal groove.It is arranged on using sealing ring
In seal groove, the seal that loading zone electrode target connects rear gas chamber with probe frock can be improved.
Preferably, probe fixed column is provided with probe frock, the top of the probe fixed column is provided with counterbore, described
The central axis of counterbore is overlapped with the center line of probe frock, and vacuum pumping hole, deep gouge are additionally provided with probe frock, described
The center line of vacuum pumping hole and the center line of probe frock are parallel to each other, and vacuum pumping hole, deep gouge and probe fix cylindricality
Into " Z " font evacuation passageway.Further, probe fixed column is used to fixing probe from a distance from sample target and perpendicularity,
Vacuum pumping hole is connected by deep gouge with probe fixed column, and probe fixed column communicates with cylinder air chamber, vacuum pumping hole, deep gouge with
Probe fixed column forms " Z " font evacuation passageway.
Two through holes being parallel to each other with the center line of probe frock, each through hole are also provided with the upper surface of probe frock
Radial direction be provided with a converting interface, the converting interface connects one to one with nitrogen fill nipple, nitrogen export joint
And nitrogen inlet channel and nitrogen outlet passageway are formed respectively, the nitrogen inlet channel and nitrogen outlet passageway are on probe work
The centerline axis of dress is symmetrical.Further, nitrogen inlet channel and nitrogen outlet passageway communicate with octahedra air chamber, are designed as
On the centerline axis symmetrical structure of probe frock, i.e. the also centerline axis pair on the cylinder air chamber in loading zone electrode target
Claim, reach the purpose in the outside uniform decrease in temperature of cylinder air chamber.
Preferably, several fine thread holes are additionally provided with loading zone electrode target, be provided with probe frock with carefully
The positioning through hole of the quantity such as screwed hole, the fine thread hole correspond with positioning through hole and make loading zone electric by threaded screw
Pole target and probe frock are fixed as one.
Preferably, the probe frock is process using piece of stainless steel.Stainless steel has resistance to air, steam, water etc. weak
The advantages that corrosive medium, there is rustless property, service life is longer, suitable in extremely complicated electromagnetic environment of the present utility model
Middle use.
The cool-down method of heat sink, comprises the following steps：
A：Prepare sample and optic test probe, sample and optic test probe are installed, and make loading zone electrode target and spy
The assembling of pin frock is integrated；
B：Vavuum pump exhaust tube is connected with the vacuum pumping hole in probe frock, vavuum pump is opened, by cylinder air chamber
Air pressure is down to ~ 10-1Pa；
C：Compressed nitrogen ascending pipe is connected with the nitrogen fill nipple in probe frock, nitrogen recycling tracheae and probe work
The nitrogen export joint connection loaded onto, and inject compressed nitrogen into octahedra air chamber；
D：Temperature near sample is gathered using temperature probe, when the temperature that temperature probe collects achieves the goal temperature,
Stop injection nitrogen；
E：Temperature-fall period is completed, and carries out dynamic load experiment.
The step A specifically includes following steps：
A1：Prepare sample, and by the polishing both surfaces of sample；
A2：Sample is sticked in the cylinder air chamber in loading zone electrode target with glue, keeps sample and loading zone electrode target
Closely bond up to glue curing, and the sealing ring matched with seal groove is put into seal groove；
A3：Optic test probe is inserted into probe frock, until can not continue deeper into, then surveyed optics with vacuum cement
Sound out part sealing of the pin outside probe frock；
A4：Probe frock with optic test probe is placed in the top of loading zone electrode target, with threaded screw successively
Loading zone electrode target and probe frock is set to be fixed as one through fine thread hole and positioning through hole.
The utility model compared with prior art, has the following advantages and advantages：
The utility model is used for the heat sink of sample initial temperature in the compression of Magnetic driving oblique wave, proposes that one kind is applied to magnetic
Drive sample in oblique wave compression experiment to preset the cool-down method of initial temperature, and solve test probe in experiment and coagulate at low temperature
Tie steam in air and problem can not be used, whole heat sink is simple in construction, and cool-down method is easy to operate, has higher reality
With value.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the structural representation of the utility model loading zone electrode target；
Fig. 3 is the sectional view of the utility model probe frock；
Fig. 4 is the top view of the utility model probe frock.
Mark and corresponding parts title in accompanying drawing：
1- loading zone electrode targets, 2- probe frocks, 3- nitrogen fill nipples, 4- nitrogen export joint, 5- vacuum pumping holes,
6- cylinder air chambers, 7- octahedron air chambers, 8- seal grooves, 9- probe fixed columns, 10- deep gouges, 11- through holes, 12- fine threads hole,
13- positioning through hole.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
As shown in Fig. 1 ~ 4, the utility model is used for the heat sink of sample initial temperature in the compression of Magnetic driving oblique wave, including
Loading zone electrode target 1 and probe frock 2, the loading zone electrode target 1 and probe frock 2 form closed gas after connecting as one
Room, in addition to nitrogen fill nipple 3, nitrogen export joint 4 and vacuum pumping hole 5, the nitrogen fill nipple 3, nitrogen export
Joint 4 and vacuum pumping hole 5 communicate with sealed gas chamber respectively.Axial height identical post is provided with loading zone electrode target 1
Body air chamber 6 and octahedra air chamber 7, the cylinder air chamber 6 are located at the center of octahedra air chamber 7；The cylinder air chamber 6 and octahedron
The top of air chamber 7 is also provided with seal groove 8.Probe fixed column 9, the top of the probe fixed column 9 are provided with probe frock 2
End is provided with counterbore, and the central axis of the counterbore overlaps with the center line of probe frock 2, is additionally provided with probe frock 2 true
Empty aspirating hole 5, deep gouge 10, the center line and the center line of probe frock 2 of the vacuum pumping hole 5 are parallel to each other, and vacuum is taken out
Stomata 5, deep gouge 10 and probe fixed column 9 form " Z " font evacuation passageway.Also it is provided with the upper surface of probe frock 2
Two through holes 11 being parallel to each other with the center line of probe frock 2, the radial direction of each through hole 11 are provided with a converting interface,
The converting interface and nitrogen fill nipple 3, nitrogen export joint 4 connect one to one and form nitrogen inlet channel and nitrogen respectively
Gas outlet passageway, the nitrogen inlet channel and nitrogen outlet passageway are symmetrical on the centerline axis of probe frock 2.In loading zone
Several fine thread holes 12 are additionally provided with electrode target 1, the positioning with the quantity such as fine thread hole 12 is provided with probe frock 2
Through hole 13, the fine thread hole 12 correspond with positioning through hole 13 and make loading zone electrode target 1 and probe by threaded screw
Frock 2 is fixed as one；The probe frock 2 is process using piece of stainless steel.
The utility model uses the cool-down method of above heat sink, has and comprises the following steps：
A：Prepare sample, and by the polishing both surfaces of sample；The cylinder gas for being sticked at sample in loading zone electrode target 1 with glue
In room 6, sample is kept to be closely bonded with loading zone electrode target 1 up to glue curing, and the sealing ring that will be matched with seal groove 8
It is put into seal groove 8；By optic test probe insertion probe frock 2, until can not continue deeper into, then will with vacuum cement
Part sealing of the optic test probe outside probe frock 2；Probe frock 2 with optic test probe is placed in loading
The top of region electrode target 1, sequentially passing through fine thread hole 12 and positioning through hole 11 with threaded screw makes loading zone electrode target 1 and probe
Frock 2 is fixed as one；
B：Vavuum pump exhaust tube is connected with the vacuum pumping hole 5 in probe frock 2, vavuum pump is opened, by cylinder air chamber 6
Air pressure be down to ~ 10-1Pa；
C：Compressed nitrogen ascending pipe is connected with the nitrogen fill nipple 3 in probe frock 2, nitrogen recycling tracheae and probe
Nitrogen export joint 4 in frock 2 connects, and injects compressed nitrogen into octahedra air chamber 7；
D：Temperature near sample is gathered using temperature probe, when the temperature that temperature probe collects achieves the goal temperature,
Stop injection nitrogen；
E：Temperature-fall period is completed, and carries out dynamic load experiment.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (7)
1. the heat sink for sample initial temperature in the compression of Magnetic driving oblique wave, it is characterised in that including loading zone electrode target
(1) and probe frock (2), the loading zone electrode target (1) and probe frock (2) form sealed gas chamber after connecting as one, also
Led including nitrogen fill nipple (3), nitrogen export joint (4) and vacuum pumping hole (5), the nitrogen fill nipple (3), nitrogen
Go out joint (4) and vacuum pumping hole (5) communicates with sealed gas chamber respectively.
2. the heat sink of sample initial temperature, its feature exist in the compression according to claim 1 for Magnetic driving oblique wave
In being provided with axial height identical cylinder air chamber (6) and octahedra air chamber (7), the cylinder on loading zone electrode target (1)
Air chamber (6) is located at the center of octahedra air chamber (7).
3. the heat sink of sample initial temperature, its feature exist in the compression according to claim 2 for Magnetic driving oblique wave
In the top of the cylinder air chamber (6) and octahedra air chamber (7) is also provided with seal groove (8).
4. the heat sink of sample initial temperature, its feature exist in the compression according to claim 1 for Magnetic driving oblique wave
In being provided with probe fixed column (9) in probe frock (2), the top of the probe fixed column (9) is provided with counterbore, described heavy
The central axis in hole is overlapped with the center line of probe frock (2), and vacuum pumping hole (5) is additionally provided with probe frock (2), is sunk
Groove (10), the center line and the center line of probe frock (2) of the vacuum pumping hole (5) are parallel to each other, and vacuum pumping hole
(5), deep gouge (10) forms " Z " font evacuation passageway with probe fixed column (9).
5. the heat sink of sample initial temperature, its feature exist in the compression according to claim 4 for Magnetic driving oblique wave
In being also provided with two through holes (11) being parallel to each other with the center line of probe frock (2) in the upper surface of probe frock (2), often
The radial direction of individual through hole (11) is provided with a converting interface, the converting interface and nitrogen fill nipple (3), nitrogen export joint
(4) connect one to one and form nitrogen inlet channel and nitrogen outlet passageway respectively, the nitrogen inlet channel and nitrogen go out
Gas passage is symmetrical on the centerline axis of probe frock (2).
6. the heat sink of sample initial temperature, its feature exist in the compression according to claim 1 for Magnetic driving oblique wave
In being additionally provided with several fine thread holes (12) on loading zone electrode target (1), be provided with probe frock (2) and thin spiral shell
The positioning through hole (13) of the quantity such as pit (12), the fine thread hole (12) correspond with positioning through hole (13) and pass through screw thread
Screw makes loading zone electrode target (1) and probe frock (2) be fixed as one.
7. the heat sink of sample initial temperature, its feature exist in the compression according to claim 1 for Magnetic driving oblique wave
In the probe frock (2) is process using piece of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134546.1U CN207114321U (en) | 2017-09-05 | 2017-09-05 | The heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721134546.1U CN207114321U (en) | 2017-09-05 | 2017-09-05 | The heat sink of sample initial temperature in being compressed for Magnetic driving oblique wave |
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| CN207114321U true CN207114321U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389455A (en) * | 2017-09-05 | 2017-11-24 | 中国工程物理研究院流体物理研究所 | The heat sink and method of sample initial temperature in being compressed for Magnetic driving oblique wave |
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2017
- 2017-09-05 CN CN201721134546.1U patent/CN207114321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389455A (en) * | 2017-09-05 | 2017-11-24 | 中国工程物理研究院流体物理研究所 | The heat sink and method of sample initial temperature in being compressed for Magnetic driving oblique wave |
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