CN205643078U - Research minute yardstick flow field flow state's collection moulding board - Google Patents
Research minute yardstick flow field flow state's collection moulding board Download PDFInfo
- Publication number
- CN205643078U CN205643078U CN201620240602.9U CN201620240602U CN205643078U CN 205643078 U CN205643078 U CN 205643078U CN 201620240602 U CN201620240602 U CN 201620240602U CN 205643078 U CN205643078 U CN 205643078U
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- runner
- transition
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- flow
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- 238000011160 research Methods 0.000 title abstract description 12
- 238000000465 moulding Methods 0.000 title abstract 3
- 230000007704 transition Effects 0.000 claims abstract description 30
- 239000012530 fluid Substances 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000005357 flat glass Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 2
- 238000000520 microinjection Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 241001463139 Vitta Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The utility model relates to a template of research miniflow field, concretely relates to research minute yardstick flow field flow state's collection moulding board. The utility model discloses a base plate (1), last window glass board (2) with the last surface contact of base plate (1), lower window glass board (3) with surface contact under the base plate (1), set up on base plate (1) and be selected from cross friendship cross -flow way (4), shrink runner (5), shrink - inflation runner (6), shrink runner (7) that have the hyperbola form, the T runner (8) that appears, expansion runner (9), U -shaped runner (10) of right angle transition, multiple tooth shape runner (11), take U -shaped runner (12) of R transition, triangle -shaped runner (13) and have two kind at least miniflow ways of triangle -shaped runner (14) of circular arc transition. The utility model provides a collection moulding board have convenient to use, need not the change, advantages such as low in manufacturing cost, measurement accuracy and long service life.
Description
Technical field
This utility model relates to a kind of template studying micro flow field, is specifically related to a kind of research minute yardstick flow field flow
The integrated template of state.
Background technology
At present, although tradition microchannel chip is widely used, but major part micro passageway biological chip and micro-electro-mechanical systems
System (MEMS) is served only for the fields such as the control of biology, medical research and chip lab (Lab-on-chip),
There is the shortcoming that runner is single, it is impossible to meet research polymeric fluid need of multiple flow regime under minute yardstick
Want.If for studying polymeric fluid flow regime in multiple different structure runner, it is necessary to manufacture multiple core
Sheet, and be every time replaced meeting requirement of experiment, cause in-convenience in use, high cost shortcoming.
Utility model content
In order to solve above-mentioned technical problem, the utility model proposes and the fluid channel of multiple geometric properties is integrated in
Technical scheme in one piece of template.This utility model by the most integrated for several typical fluid channel be placed into same
In individual template, the information such as the VELOCITY DISTRIBUTION in micro flow field and deviator stress isochrome striped can be obtained, be very suitable for
The research polymeric fluid multiple flow regime under minute yardstick, to research polymeric fluid stream in fluid channel
Become characteristic and hydrodynamics has certain using value.
The integrated template of the research minute yardstick flow field flow state in this utility model mainly includes substrate and two pieces
Low stress transparency glass plate.As shown in Figure 1, 2, substrate 1, its upper surface contacts with upper sight glass plate 2；
Substrate 1 lower surface contacts with lower sight glass plate 3；Offer the runner of multiple geometry on substrate 1, bag
Include decussation runner 4, contracted channel 5, shrink-expand runner 6, contractive set with hyperbolic form
Road 7, T-shaped runner 8, expansionary channel 9, the U-shaped runner 10 of right angle transition, many flow path of gear profiles 11, band R
The U-shaped runner 12 of transition, triangle runner 13 and the triangle runner 14 with arc transition, altogether 11
Plant the runner of different geometries；Also set up fluid intake 15 and fluid issuing 16 on substrate 1.This is integrated
In template, the fluid channel of different geometries can also be shifted one's position, and is presented on substrate in different combinations
On, as shown in Fig. 3,4,5.The wherein U-shaped runner 10 of right angle transition and the U-shaped runner of band R transition
12 both sides, axis laying respectively at integrated template, and it is symmetrical to be generally concerned with described axis；Many flow path of gear profiles
11, triangle runner 13 and the triangle runner 14 with arc transition are the most all opened in integrated template
Axis side, when so making to inject polymeric fluid, integrated template stress is more uniform.
The fluid channel of these different geometries can be used for studying Complex Flows state and the rheology of polymeric fluid
Feature, utilizes decussation runner 4, contracted channel 7 with hyperbolic form, triangle runner 13 and band
The triangle runner 14 having arc transition can study macromolecule rheological behaviour in different elongation flow fields；
Utilize contracted channel 5 can study the mobility status in Shearing Flow；The runner utilizing other geometries is permissible
Obtain the complicated rheological behaviour under the combination of both flow fields.It addition, the U-shaped runner 10 of right angle transition and band R
The U-shaped runner 12 of transition can also study the microinjection flow process of polymeric fluid.
The fluid channel of multiple geometry is integrated in one piece of template by this utility model, need not change fluid channel
Chip can test polymeric fluid flow regime in multiple flow field, needs to observe certain geometry runner
In mobility status time, only this position need to be moved in the visual field of stereomicroscope, by the micro-chi shown in Fig. 6
Degree PIV system can measure the speed in flow field, utilizes flow birefringence (FIB) system shown in Fig. 7 can
To obtain the principal stress isochrome fringe distribution in flow field.
In this utility model, the fluid channel of these different geometries can be used for studying the complicated stream of polymeric fluid
Dynamic state and rheology characteristic, meet research macromolecule and combine in elongation flow field, Shearing Flow and both flow fields
Under complicated rheological behaviour, it is also possible to research polymeric fluid microinjection process.Particularly this utility model carries
Runner in the integrated template gone out arranges and is generally concerned with substrate formed symmetrical, makes integrated template uniform force, improves
Its service life and decrease the measurement error caused because of substrate deformation, have easy to use, need not change,
Low cost of manufacture, measure accurately and the advantage such as length in service life.
Accompanying drawing explanation
Fig. 1 is the top view that the present invention studies the integrated template of minute yardstick flow field flow state；
Fig. 2 is the A-A sectional view that the present invention studies the integrated template of minute yardstick flow field flow state；
Fig. 3-5 is the integrated template top view that the fluid channel of several shape combines by different way.
Accompanying drawing marks: 1-substrate；2-upper sight glass plate；Sight glass plate under 3-；4-decussation runner；
5-contracted channel；6-shrinks-expands runner；7-is with the contracted channel of hyperbolic form；8-T shape runner；
9-expansionary channel；The U-shaped runner of 10-right angle transition；The many flow path of gear profiles of 11-；The U-shaped stream of 12-band R transition
Road；13-triangle runner；14-is with the triangle runner of arc transition；15-fluid intake；16-fluid goes out
Mouthful.
Fig. 6 is the minute yardstick PIV system schematic for testing micro flow field speed；
Fig. 7 is for testing the flow birefringence of flow field stress (FIB) system schematic.
Accompanying drawing marks: 21-laser instrument；22-precision micro syringe pump；23-CCD camera；24-eyeglass；25-is micro-
Endoscope objective lens；26-fluid circuit；27-1/4 wave plate；28-polarizer；29-light path；30-prism；31-miniflow
The integrated template in road；32-fluid recovery pond；33-analyzer；34-image acquisition and the system of analysis.
Fig. 8 is the integrated template top view used in embodiment 2,3, marks same Fig. 1-5.
Detailed description of the invention
The method of the research minute yardstick flow field flow state below in conjunction with the accompanying drawings this utility model proposed and collection
Become template to be specifically described, but the technical solution of the utility model is not limited in the description in embodiment.
Embodiment 1:
First integrated for the fluid channel of horizontal positioned template 31 is placed on chip set, then will be observed
Fluid channel geometry, decussation runner 4 as shown in Figure 1, the mobile object lens being placed in stereomicroscope
Below 25.
Open accurate micro syringe pump 22 to be injected from the entrance 15 of integrated template 31 by polymeric fluid, fluid edge
Straight section fluid channel and enter decussation runner 4, after waiting that flow field is stable, permissible by minute yardstick PIV system
Measure the VELOCITY DISTRIBUTION in decussation fluid channel.After tachometric survey, stop accurate micro syringe pump 22,
Change flow birefringence (FIB) system, after optical system adjusts, be then turned on accurate micro syringe pump 22,
Wait a period of time until after fluid flowing in decussation fluid channel is stable, carrying out the mensuration of stress, so
The principal stress isochrome striped in flow field can be obtained.
Embodiment 2:
First integrated for the fluid channel of horizontal positioned template 31 is placed on chip set, then will be observed
Fluid channel geometry, the U-shaped runner 10 of band right angle transition in dotted line frame as shown in Figure 8, mobile be placed in
Below the object lens 25 of stereomicroscope.
Open accurate micro syringe pump 22 by polymeric fluid from integrated template near the U-shaped runner of band right angle transition
The entrance 15 of 10 sides injects, and fluid enters the U-shaped runner 10 of band right angle transition along straight section fluid channel,
Now observe and shoot by CCD camera 23 the forward position mobility status of fluid in runner, just obtain class quasi-fluid note
Flow regime when penetrating.After waiting that flow field is stable, U-shaped fluid channel can be measured by minute yardstick PIV system
In VELOCITY DISTRIBUTION.After tachometric survey, stop accurate micro syringe pump 22, change flow birefringence (FIB)
System, after optical system adjusts, is then turned on accurate micro syringe pump 22, and a period of time of waiting is until U-shaped
After fluid flowing in fluid channel is stablized, carry out the mensuration of stress, so can obtain the principal stress isochrome in flow field
Striped.
Embodiment 3:
First the fluid channel template 31 of horizontal positioned being placed on chip set, then will be observed is micro-
Runner geometry, as shown in Figure 8 the U-shaped runner 12 of the band R transition in dotted line frame, movement is placed in stereoscopic
Below microscopical object lens 25.
Open accurate micro syringe pump 22 by polymeric fluid from integrated template near the U-shaped runner of band R transition
The entrance 15 of 12 sides injects, and fluid enters the U-shaped runner 12 of band R transition along straight section fluid channel, this
Time observe and shoot by CCD camera 23 the forward position mobility status of fluid in runner, just obtain the injection of class quasi-fluid
Time flow regime.After waiting that flow field is stable, can measure in U-shaped fluid channel by minute yardstick PIV system
VELOCITY DISTRIBUTION.After tachometric survey, stop accurate micro syringe pump 22, change flow birefringence (FIB)
System, after optical system adjusts, is then turned on accurate micro syringe pump 22, and a period of time of waiting is until U-shaped
After fluid flowing in fluid channel is stablized, carry out the mensuration of stress, so can obtain the principal stress etc. of micro flow field
Vitta stricture of vagina.
Claims (5)
1. the integrated template studying minute yardstick flow field flow state, it is characterized in that: include substrate (1), upper sight glass plate (2) with substrate (1) upper surface, the lower sight glass plate (3) contacted with substrate (1) lower surface, substrate (1) is offered decussation runner (4), contracted channel (5), shrink-expand runner (6), contracted channel (7) with hyperbolic form, T-shaped runner (8), expansionary channel (9), the U-shaped runner (10) of right angle transition, many flow path of gear profiles (11), U-shaped runner (12) with R transition, triangle runner (13) and the triangle runner (14) with arc transition, and it is provided with fluid intake (15) and fluid issuing (16).
2. the integrated template studying minute yardstick flow field flow state as claimed in claim 1, it is characterised in that: decussation runner (4), contracted channel (5), contraction-expansion runner (6), the contracted channel (7) with hyperbolic form, T-shaped runner (8), expansionary channel (9) are opened on the axis of integrated template.
3. the integrated template studying minute yardstick flow field flow state as claimed in claim 1, it is characterised in that: the U-shaped runner (10) of right angle transition, many flow path of gear profiles (11), the U-shaped runner (12) of band R transition, triangle runner (13) and the triangle runner (14) with arc transition are opened in the both sides, axis of integrated template.
4. the integrated template studying minute yardstick flow field flow state as claimed in claim 3, it is characterized in that: the U-shaped runner (10) of right angle transition and the U-shaped runner (12) of band R transition lay respectively at the both sides, axis of integrated template, and symmetrical about described axis.
5. the integrated template studying minute yardstick flow field flow state as claimed in claim 4, it is characterised in that: many flow path of gear profiles (11), triangle runner (13) and the triangle runner (14) with arc transition are arranged on the both sides, axis of integrated template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240602.9U CN205643078U (en) | 2016-03-25 | 2016-03-25 | Research minute yardstick flow field flow state's collection moulding board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620240602.9U CN205643078U (en) | 2016-03-25 | 2016-03-25 | Research minute yardstick flow field flow state's collection moulding board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205643078U true CN205643078U (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620240602.9U Expired - Fee Related CN205643078U (en) | 2016-03-25 | 2016-03-25 | Research minute yardstick flow field flow state's collection moulding board |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699254A (en) * | 2016-03-25 | 2016-06-22 | 青岛科技大学 | Method and integrated template for studying flow condition of micro-scale flow field |
| CN107764701A (en) * | 2017-10-19 | 2018-03-06 | 中南大学 | It is a kind of to analyze experimental provision and experimental method of the shear stress flow field particle with fluidity |
-
2016
- 2016-03-25 CN CN201620240602.9U patent/CN205643078U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699254A (en) * | 2016-03-25 | 2016-06-22 | 青岛科技大学 | Method and integrated template for studying flow condition of micro-scale flow field |
| CN107764701A (en) * | 2017-10-19 | 2018-03-06 | 中南大学 | It is a kind of to analyze experimental provision and experimental method of the shear stress flow field particle with fluidity |
| CN107764701B (en) * | 2017-10-19 | 2019-08-13 | 中南大学 | It is a kind of analysis shear stress flow field particle with fluidity experimental provision and experimental method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |