CN106987896A - A kind of solute concentration capillary convection liquid bridge maker and its application - Google Patents
A kind of solute concentration capillary convection liquid bridge maker and its application Download PDFInfo
- Publication number
- CN106987896A CN106987896A CN201710320775.0A CN201710320775A CN106987896A CN 106987896 A CN106987896 A CN 106987896A CN 201710320775 A CN201710320775 A CN 201710320775A CN 106987896 A CN106987896 A CN 106987896A
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- China
- Prior art keywords
- liquid bridge
- miniature
- liquid
- maker
- solute concentration
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- 239000007788 liquid Substances 0.000 title claims abstract description 98
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 230000037452 priming Effects 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 239000010949 copper Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000000520 microinjection Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 2
- 239000013078 crystal Substances 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
Abstract
The present invention provides a kind of solute concentration capillary convection liquid bridge maker and its application, and the liquid bridge maker includes upper disk and lower wall, and the upper disk is fixedly mounted on support；The upper Pan Neibuzhongxinchu is provided with through hole, and the upper tray bottom is along disk along provided with a circle taper hole；The liquid bridge maker also includes miniature priming device and arrangement for adjusting height, the miniature priming device is located above the liquid bridge maker, the miniature priming device includes micro syringe, the micro syringe is arranged on Miniature injection pump, and the Miniature injection pump connects micro-injection pump controller；The arrangement for adjusting height includes differential head, and the differential head is arranged on below the lower wall, connection copper coin platform below the differential head.When the present invention can study the contact of two kinds of different liquids, the influence that the change of concentration is produced to liquid bridge interface shape has considered concentration and liquid bridge volume ratio factor prepares the influence of crystal to float-zone method.
Description
Technical field
The present invention relates to a kind of liquid bridge maker and its application, belong to fluid physics technical field, and in particular to a kind of
Solute concentration capillary convection liquid bridge maker and its application.
Background technology
Industrial widely used float-zone method prepares crystalline material, and crystal mass prepared by this method is higher, simulation industry
The scientific model of crystal growth with floating zone method technology is referred to as liquid bridge.Theoretical research shows that surface tension of liquid is relevant with concentration, dense
When spending skewness, surface tension is with regard to skewness, so as to drive liquid to flow, influences liquid bridge interface shape.In addition, liquid
Bridge interface shape is also relevant with liquid bridge volume ratio.Traditional liquid bridge generating means often only study a kind of liquid, and function is simple, real
Complex operation and obtained result is not accurate enough during testing.It is therefore desirable to which a kind of high solute of multi-functional, accuracy is dense
Capillary convection liquid bridge maker is spent, when can study two kinds of different liquids contacts, surface concentration changes the influence to liquid bridge interface,
And accurate liquid bridge volume ratio can be provided.
The content of the invention
The problem of existing for prior art, the present invention provides a kind of solute concentration capillary convection liquid bridge maker and its should
With the liquid bridge maker can highly produce accurate liquid bridge volume ratio by adjusting lower wall, can also realize two kinds of different liquid
The influence that the contact of body and then research change in concentration are produced to liquid bridge interface shape.The technical scheme is that：
A kind of solute concentration capillary convection liquid bridge maker, including upper disk and lower wall, the upper disk are fixedly mounted on support；Institute
Pan Neibuzhongxinchu is stated provided with through hole, the upper tray bottom is along disk along provided with a circle taper hole；The liquid bridge maker also includes
Miniature priming device and arrangement for adjusting height, the miniature priming device are located above the liquid bridge maker, the miniature note
Liquid device includes micro syringe, and the micro syringe is arranged on Miniature injection pump, and the Miniature injection pump connection is miniature
Inject pump controller；The arrangement for adjusting height includes differential head, and the differential head is arranged on below the lower wall, the differential
Head lower section connection copper coin platform.
Further, the arrangement for adjusting height is fixed on the bracket.
Further, the arrangement for adjusting height includes external screw thread cylinder, and the external screw thread cylinder is arranged on the copper coin
Below platform, the support is provided with the threaded mounting hole matched with the external screw thread cylinder.
Further, the taper of the taper hole is 45 °.
Further, the liquid bridge maker also includes temperature control device, and the temperature control device includes PI films heating plate, thermoelectricity
Even piece, temperature controller and relay, the PI films heating plate and the thermocouple plate are wrapped on the upper disk, and described
PI films heating plate is located above the thermocouple plate at 5mm, the PI films heating plate, the temperature controller, the relay
With power supply formation heating circuit.
The solute concentration capillary convection liquid bridge maker is applied to Study of Liquid concentration and liquid bridge volume ratio to liquid bridge
The influence of interface shape, detailed process includes：Differential head is adjusted to adjust liquid bridge volume ratio；Is injected between upper disk and lower wall
A kind of liquid formation liquid bridge；Using injecting second of liquid in the upward disk through hole of miniature priming device.
The beneficial effects of the invention are as follows：
1）It is of the invention compared with traditional liquid bridge maker, when can study the contact of two kinds of different liquids, the change of concentration is to liquid
The influence that bridge interface shape is produced, has considered concentration and liquid bridge volume ratio factor prepares the influence of crystal to float-zone method；And
And structure is simpler, function is more flexibly comprehensive；
2）The present invention can realize the liquid volume for automatically controlling injection, improve the accuracy of experimental result；
3）The present invention can also accurately adjust lower wall height, produce accurate liquid bridge volume ratio, simplify the operation of experimenter,
Avoid the error in measurement process.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the solute concentration capillary convection liquid bridge maker of the present invention；
Fig. 2 is the cross-sectional view of upper disk in Fig. 1；
Fig. 3 is the structural representation of taper hole in Fig. 2；
Fig. 4 is the cross-sectional view of lower wall in Fig. 1；
Fig. 5 is a kind of structural representation of the miniature priming device of the present invention, and Fig. 5 a are Miniature injection pump and micro syringe
Mounting structure schematic diagram, Fig. 5 b are the structural representation of micro-injection pump controller；
Fig. 6 is a kind of structural representation of the arrangement for adjusting height of the present invention；
Wherein, 1- supports, 2- Miniature injection pumps, 3- micro-injection pump controllers, 4- micro syringes, the upper disks of 5-, the upper disks of 6- lead to
Hole, 7- lower walls, 8- differential head mounting holes, 9- differential heads, 10- copper coin platforms, 11- external screw thread cylinders, 12- taper holes.
Embodiment
In the description of the invention, it is necessary to explanation, the orientation or position of the instruction such as term ' center ', ' on ', ' under '
Relation is, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplify description, without referring to
Show or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as limitation of the present invention.
In addition, it is necessary to which explanation, unless otherwise clearly defined and limited, term ' installation ', ' connected ', ' connection ' are answered
It is interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can also be two elements
Internal connection, can be wireless connection or wired connection.For the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
The present invention is described in further details with specific embodiment below in conjunction with the accompanying drawings, described is the solution to the present invention
Release rather than limit.
As shown in Fig. 1 ~ 4, a kind of solute concentration capillary convection liquid bridge maker, including upper disk 5, lower wall 7, miniature fluid injection dress
Put and arrangement for adjusting height, upper disk and lower wall are made using fine copper, and the upper disk 5 is fixedly mounted on support 1；The upper disk
Through hole 6 is provided with 5 inside centers, the through hole 6 can free in and out the needle tubing of micro syringe, the upper bottom of disk 5 is along disk
Along provided with a circle taper hole 12, the taper of the taper hole 12 is 45 °, the taper hole 12 can make injection second of liquid and the first
Liquid is contacted, and prevents from making liquid have small flowing along hole wall due to the effect of surface tension during two kinds of liquid contacts, is entered
And prevent liquid bridge unstability；It should ensure that the vertical center line of disk and lower wall is located at same plumb line when installing disk and lower wall
On；The miniature priming device is located above the liquid bridge maker, and the miniature priming device includes micro syringe 4, institute
Micro syringe 4 is stated on Miniature injection pump 2, the Miniature injection pump 2 is fixed on the support 1, miniature note is installed
To ensure that the vertical center line of micro syringe and upper disk is located on same plumb line when penetrating pump, the Miniature injection pump 2 connects
Micro-injection pump controller 3 is connect, the micro-injection pump controller 3 connects external power source, the structure of the miniature priming device
As shown in Figure 5；The arrangement for adjusting height is fixed on the support 1, and the arrangement for adjusting height includes differential first 9, described
Differential first 9 is arranged on the lower section of lower wall 7, and the bottom of lower wall 7 is provided with differential head mounting hole 8, the He of differential head mounting hole 8
First 9 top of differential is using glue bonding；The first 9 lower section welding copper coin platform 10 of differential, the lower section of copper coin platform 10 is welded
External screw thread cylinder 11, the support 1 is provided with the threaded mounting hole matched with the external screw thread cylinder 11, by adjusting differential
Head is so as to accurately adjust liquid bridge height；The structure of the arrangement for adjusting height is as shown in Figure 6.
The liquid bridge maker also includes temperature control device, and the temperature control device includes PI films heating plate, thermocouple plate, temperature
Controller and relay, the PI films heating plate and the thermocouple plate are wrapped on the upper disk, and the PI films are heated
Piece is located above the thermocouple plate at 5mm, the PI films heating plate, the temperature controller, the relay and power supply shape
Into heating circuit.
The solute concentration capillary convection liquid bridge maker is applied to Study of Liquid concentration and liquid bridge volume ratio to liquid bridge
The influence of interface shape, detailed process includes：Knob first on regulation differential first 9 obtains required accurate liquid bridge volume
Than, reuse hand gun and inject the first experimental liquid between upper disk 5 and lower wall 7 exactly, form liquid bridge, it is static
Liquid bridge maintains interface shape by surface tension；Then the micro syringe 4 that will be equipped with second of experimental liquid is arranged on miniature
On syringe pump 2, switch on power, operate micro-injection pump controller 3 to inject a certain amount of second of experiment liquid according to requirement of experiment
Body, operates micro-injection pump controller 3 needle tubing of micro syringe 4 is exited disk 5 after the completion of injection.
Using above-mentioned solute concentration capillary convection liquid bridge maker Study of Liquid concentration and liquid bridge volume ratio to liquid bridge interface
The influence of shape, can be implemented by following two specific experiment schemes：
Experimental program one：In the case that liquid bridge volume ratio is certain, by changing the concentration on liquid bridge surface, research change in concentration is to liquid
The influence of bridge interface shape.The liquid volume for controlling to be injected into upper disk by using Miniature injection pump, when liquid connects with liquid bridge
The concentration on liquid bridge surface can just be changed when tactile.
Experimental program two：In the case that liquid bridge surface concentration is certain, by changing the height of lower wall, liquid bridge volume ratio is studied
Influence to liquid bridge interface shape.Control lower wall to lift by the knob for rotating differential head, change the distance between upper lower burrs, just
The volume ratio of liquid bridge can be changed.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still may be used
Modified or equivalent substitution, and repaiied without departing from present inventive concept and any of scope with the embodiment to the present invention
Change or equivalent substitution, it all should cover among present claims scope.
Claims (6)
1. a kind of solute concentration capillary convection liquid bridge maker, including upper disk and lower wall, it is characterised in that the upper disk fixes peace
On support；The upper Pan Neibuzhongxinchu is provided with through hole, and the upper tray bottom is along disk along provided with a circle taper hole；The liquid bridge
Maker also includes miniature priming device and arrangement for adjusting height, and the miniature priming device is located on the liquid bridge maker
Side, the miniature priming device includes micro syringe, and the micro syringe is arranged on Miniature injection pump, the miniature note
Penetrate pump connection micro-injection pump controller；The arrangement for adjusting height includes differential head, and the differential head is arranged on the lower wall
Connection copper coin platform below lower section, the differential head.
2. a kind of solute concentration capillary convection liquid bridge maker according to claim 1, it is characterised in that the height is adjusted
Regulating device is fixed on the bracket.
3. a kind of solute concentration capillary convection liquid bridge maker according to claim 2, it is characterised in that the height is adjusted
Regulating device includes external screw thread cylinder, and the external screw thread cylinder is arranged on below the copper coin platform, the support be provided with it is described
The threaded mounting hole that external screw thread cylinder matches.
4. a kind of solute concentration capillary convection liquid bridge maker according to claim 1, it is characterised in that the taper hole
Taper is 45 °.
5. a kind of solute concentration capillary convection liquid bridge maker according to claim 1 ~ 4 any one claim, its
It is characterised by that the liquid bridge maker also includes temperature control device, the temperature control device includes PI films heating plate, thermocouple plate, temperature
Controller and relay, the PI films heating plate and the thermocouple plate are wrapped on the upper disk, and the PI films are heated
Piece is located above the thermocouple plate at 5mm, the PI films heating plate, the temperature controller, the relay and power supply shape
Into heating circuit.
6. a kind of solute concentration capillary convection liquid bridge maker described in claim 1 is applied to Study of Liquid concentration and liquid bridge body
Product compares the influence of liquid bridge interface shape, and detailed process includes：Differential head is adjusted to adjust liquid bridge volume ratio；In upper disk and lower wall
Between inject the first liquid formation liquid bridge；Using injecting second of liquid in the upward disk through hole of miniature priming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320775.0A CN106987896B (en) | 2017-05-09 | 2017-05-09 | Solute concentration capillary convection liquid bridge generator and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710320775.0A CN106987896B (en) | 2017-05-09 | 2017-05-09 | Solute concentration capillary convection liquid bridge generator and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106987896A true CN106987896A (en) | 2017-07-28 |
| CN106987896B CN106987896B (en) | 2023-03-10 |
Family
ID=59418590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710320775.0A Active CN106987896B (en) | 2017-05-09 | 2017-05-09 | Solute concentration capillary convection liquid bridge generator and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106987896B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485281A (en) * | 2020-04-29 | 2020-08-04 | 哈尔滨工业大学 | Rotary non-isothermal liquid bridge generator and application thereof |
| CN112315782A (en) * | 2020-10-20 | 2021-02-05 | 南京理工大学 | Electronic moxibustion instrument based on hot solute capillary convection principle |
| CN112581835A (en) * | 2020-12-07 | 2021-03-30 | 东北大学 | Novel liquid bridge generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2442978A1 (en) * | 2001-04-04 | 2002-10-17 | Bioprocessors Corp. | System and method for dispensing liquids |
| CN104818522A (en) * | 2015-05-21 | 2015-08-05 | 东北大学 | Diameter adjustable liquid bridge generator |
| CN105063743A (en) * | 2015-05-08 | 2015-11-18 | 东北大学 | Periphery shear gas flow type liquid bridge generator |
| CN105839174A (en) * | 2016-06-08 | 2016-08-10 | 东北大学 | Multifunctional temperature-controllable liquid bridge generator |
-
2017
- 2017-05-09 CN CN201710320775.0A patent/CN106987896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2442978A1 (en) * | 2001-04-04 | 2002-10-17 | Bioprocessors Corp. | System and method for dispensing liquids |
| CN105063743A (en) * | 2015-05-08 | 2015-11-18 | 东北大学 | Periphery shear gas flow type liquid bridge generator |
| CN104818522A (en) * | 2015-05-21 | 2015-08-05 | 东北大学 | Diameter adjustable liquid bridge generator |
| CN105839174A (en) * | 2016-06-08 | 2016-08-10 | 东北大学 | Multifunctional temperature-controllable liquid bridge generator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485281A (en) * | 2020-04-29 | 2020-08-04 | 哈尔滨工业大学 | Rotary non-isothermal liquid bridge generator and application thereof |
| CN112315782A (en) * | 2020-10-20 | 2021-02-05 | 南京理工大学 | Electronic moxibustion instrument based on hot solute capillary convection principle |
| CN112315782B (en) * | 2020-10-20 | 2022-08-12 | 南京理工大学 | Electronic moxibustion instrument based on hot solute capillary convection principle |
| CN112581835A (en) * | 2020-12-07 | 2021-03-30 | 东北大学 | Novel liquid bridge generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106987896B (en) | 2023-03-10 |
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