CN109342278A - A kind of particle image velocimetry device with adjustable fixed structure - Google Patents
A kind of particle image velocimetry device with adjustable fixed structure Download PDFInfo
- Publication number
- CN109342278A CN109342278A CN201811448838.1A CN201811448838A CN109342278A CN 109342278 A CN109342278 A CN 109342278A CN 201811448838 A CN201811448838 A CN 201811448838A CN 109342278 A CN109342278 A CN 109342278A
- Authority
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- China
- Prior art keywords
- sink
- inlet tube
- outlet
- particle image
- image velocimetry
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000917 particle-image velocimetry Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 238000013461 design Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001435 haemodynamic effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/01—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials specially adapted for biological cells, e.g. blood cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0003—Determining electric mobility, velocity profile, average speed or velocity of a plurality of particles
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention discloses a kind of particle image velocimetry devices with adjustable fixed structure, are related to the external Particle Image Velocimetry field of angiocarpy bracket class medical instrument；Including inlet tube, outlet, sink and screw bolt；The sink rear panel is equipped with opening, and outlet is divided into two sections, is adhesively fixed respectively in the outboard sidewalls of plate below.Sink front panel symmetric position is equipped with opening simultaneously, and inlet tube passes through opening, and tube wall is equipped with screw thread, and a part stays in sink outer end, is fixed on sink lateral wall by outer bolt；Another part protrudes into inside sink, when rotating to inlet tube, is adjustable physical length of the inlet tube in sink by bolt and changes.The present invention is open by design, is highly convenient for being further improved and optimizing according to different test needs；A variety of angiocarpy bracket class instrument experimental sections can be effectively fixed, guarantees effective progress of particle image velocimetry, saves the time, improve efficiency.
Description
Technical field
The present invention relates to the external Particle Image Velocimetry fields of medical instrument, refer specifically to a kind of with adjustable fixed knot
The particle image velocimetry device of structure.
Background technique
Particle image velocimetry (Particle Image Velocimetry, PIV) is a kind of transient state, multiple spot and non-contact type
Hydrodynamics speed-measuring method, can velocity profile information under same transient recording in a large amount of spatial points, and can provide abundant
Flow field space structure and flow behavior.The technical application, can in angiocarpy bracket class medical instrument testing in vitro field
Accurately, the flow field state and distribution before and after bracket are effectively observed, for evaluating angiocarpy bracket class medical instrument haemodynamics
Performance plays an important role.
Firm stationary state is needed due to being tested object during particle image velocimetry, guarantees swashing for velocity-measuring system
Light source accurately irradiates and the precise information of camera lens is collected, so needing to solve the clamping and fixation problem of tested object.Currently,
There is not mature universal fixed device, relevant test needs experimenter to carry out individually designed and system according to experiment purpose
Make, it is time-consuming and laborious.
Summary of the invention
The present invention is directed to effective fixation problem of current angiocarpy bracket class instrument during particle image velocimetry, design
A kind of particle image velocimetry device with adjustable fixed structure out.
The particle image velocimetry device includes: inlet tube, outlet, sink and screw bolt；
Sink is made of the organic glass of transparent material, and rear panel is equipped with opening, and outlet is divided into two sections, glues respectively
Close the outboard sidewalls for being fixed on rear panel.Sink front panel symmetric position is equipped with opening simultaneously, and inlet tube passes through opening, and manages
External wall is equipped with screw thread, and a part stays in sink outer end, is fixed on sink lateral wall by outer bolt；Another part protrudes into
It inside sink, is fixed in the water tank on side wall by interior annular, when being rotated to inlet tube, inlet tube is adjustable by bolt and is existed
Physical length variation in sink.
Inlet tube and outlet are all made of the opaque polytetrafluoroethylene material of hard and are made, and bolt uses stainless steel material
It is made, sealing ring is used between basin sidewall.
Inlet tube and outlet both ends use clip bayonet to design, convenient and front and back piping connection, while both ends open
There is seal groove at place, guarantees and leakproofness when piping connection.
By the inner port of angiocarpy bracket class medical instrument experimental section access inlet tube and outlet when test, pass through import
The screw thread of pipe adjusts specific length, is then fastened, is sealed by bolt and its matched sealing ring；Again by inlet tube and
The external port access front and back pipeline of outlet, that is, realize the access of speed measuring module and overall test system.
The present invention has the advantages that
1), a kind of particle image velocimetry device with adjustable fixed structure successively have passed through three in the design process
The development optimization of actual product is covered, existing design has been subjected to multiple particle image velocimetry experiment, reliable and practical.Meanwhile this hair
Bright is open by design, is highly convenient for being further improved and optimizing according to different test needs.
2) a kind of, particle image velocimetry device with adjustable fixed structure can effectively fix a variety of cardiovascular branch
Frame class instrument experimental section guarantees effective progress of particle image velocimetry.
3) a kind of, particle image velocimetry device with adjustable fixed structure, can be adapted to a variety of angiocarpy bracket classes
Medical instrument experimental section, meets the particle image velocimetry of experimental section sizes experimental section under a variety of flow field conditions, when saving
Between, it improves efficiency.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the particle image velocimetry device with adjustable fixed structure of the present invention；
Fig. 2 is a kind of engineering three-view diagram of the particle image velocimetry device with adjustable fixed structure of the present invention.
In figure: 1- inlet tube；Two end interface of 11- inlet tube；2- outlet；Two end interface of 21- outlet；3- sink；4-
Screw bolt.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in further detail.
The invention discloses a kind of particle image velocimetry devices with adjustable fixed structure, are scalable fixed knot
Structure, as depicted in figs. 1 and 2, comprising: inlet tube 1, outlet 2, sink 3 and screw bolt 4；It cooperates between each section.
Sink 3 is made of the organic glass of transparent material, using the high light transmittance of organic glass wall surface, is guaranteeing entirety
The accuracy of laser-transmissible and camera observation is realized on the basis of hardness；Rear panel is equipped with opening, and outlet 2 is divided into
It two sections, is adhesively fixed respectively in the outboard sidewalls of plate below.3 front panel symmetric position of sink is equipped with opening, inlet tube 1 simultaneously
Across opening, a part stays in 3 outer end of sink, is fixed on 3 lateral wall of sink by outer bolt；Another part protrudes into sink 3
Inside, and screw thread is equipped on tube wall, it is fixed on 3 inner sidewall of sink by interior annular, when being rotated to inlet tube 1,
Physical length variation of the inlet tube in sink 3 is adjustable by bolt.
Inlet tube 1 and outlet 2 are all made of the opaque polytetrafluoroethylene material of hard and are made, to guarantee these parts
Intensity and hardness, meet the use needs of equipment；
Bolt 4 is made of stainless steel material, and sealing ring is used between 3 side wall of sink, guarantees the sealing of structure entirety
Property.
Two end interface 11 of inlet tube and two end interface 21 of outlet are designed using clip bayonet, convenient to connect with front and back pipeline
It connects, while having seal groove at both ends open, guarantee and leakproofness when piping connection.
The both ends of angiocarpy bracket class medical instrument experimental section are respectively connected to inlet tube 1 and outlet 2 in water when test
Port in slot adjusts specific length of the inlet tube in sink by the screw bolt 4 of inlet tube 1, adapts to the length of experimental section
Degree, so that two end interface of experimental section is bonded completely with the interior end interface 21 of the interior end interface 11 of inlet tube and outlet, is then adopted
Fixed with clip, and sealed using sealing ring at port, guarantee it is integrally fixed reasonable, effective, stables, then pass through bolt with
And its matched sealing ring carries out fastening, sealing between inlet tube and inlet tube wall surface；Again by the water of inlet tube 1 and outlet 2
3 external port of slot access front and back pipeline, that is, realize the access of speed measuring module and overall test system.
It is filled the water into sink 3, floods experimental section, while cooperating the high light transmittance of 3 organic glass wall surface of sink, the transparency,
The refraction for guaranteeing that laser light source is injected when experimental section passes through side camera observation image again is offset, it is ensured that the accuracy of observation.
Each performs its own functions for inlet tube 1 of the present invention, outlet 2, sink 3 and screw bolt 4, effectively cooperates, wherein crucial can
Adjusting part is to be cooperated by the screw bolt structure between inlet tube and flume wall, and guaranteed by sealing ring close
Feng Xing.
Screw bolt structure is used between 3 front panel of inlet tube 1 and sink of the invention, is guaranteed adjustable with experiment segment length
Section, while also ensuring the convenience of experimental section installation, two sides is using bolt and sealing inside and outside inlet tube 1 and 3 front panel of sink
Circle is fixed, and guarantees firm and leakproofness between the two；Outlet and sink rear panel are fixed as non-adjustable structure, guarantee firm
Degree and leakproofness；Using helicitic texture, clamping to different scale experiment sections, fixed function are realized；It is real using yoke configurations
Existing inlet tube, experimental section, connection, fixation and sealing between outlet, and entire module is accessed into front and back pipeline, it is dissolved into survey
In test system；The present invention can effectively fix various sizes of angiocarpy bracket class medical instrument experimental section, to guarantee grain
What subgraph tested the speed goes on smoothly.
Claims (4)
1. a kind of particle image velocimetry device with adjustable fixed structure, which is characterized in that including inlet tube, outlet,
Sink and screw bolt；
Sink rear panel is equipped with opening, and outlet is divided into two sections, is adhesively fixed respectively in the outboard sidewalls of plate below；Water simultaneously
Slot front panel symmetric position is equipped with opening, and inlet tube passes through opening, and tube wall is equipped with screw thread, and a part stays in sink
Outer end is fixed on sink lateral wall by outer bolt；Another part protrudes into inside sink, is fixed in the water tank by interior annular
On side wall, when being rotated to inlet tube, physical length of the inlet tube in sink is adjusted by bolt and is changed；
By the inner port of angiocarpy bracket class medical instrument experimental section access inlet tube and outlet when test, it is adjusted by the thread
Then physical length of the inlet tube in sink is fastened by bolt and its matched sealing ring, is sealed；Again by inlet tube
It is respectively connected to front and back pipeline with the external port of outlet, realizes the access of speed measuring module and overall test system.
2. a kind of particle image velocimetry device with adjustable fixed structure as described in claim 1, which is characterized in that institute
The sink stated is made of the organic glass of transparent material, using the high light transmittance of organic glass wall surface, is guaranteeing integral hardness
On the basis of come realize laser-transmissible and camera observation accuracy.
3. a kind of particle image velocimetry device with adjustable fixed structure as described in claim 1, which is characterized in that institute
The inlet tube and outlet stated are all made of the opaque polytetrafluoroethylene material of hard and are made, and bolt uses stainless steel material system
At, between basin sidewall use sealing ring.
4. a kind of particle image velocimetry device with adjustable fixed structure as described in claim 1, which is characterized in that institute
The inlet tube and outlet both ends stated use clip bayonet to design, convenient and front and back piping connection, while having at both ends open
Seal groove guarantees and leakproofness when piping connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448838.1A CN109342278A (en) | 2018-11-28 | 2018-11-28 | A kind of particle image velocimetry device with adjustable fixed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811448838.1A CN109342278A (en) | 2018-11-28 | 2018-11-28 | A kind of particle image velocimetry device with adjustable fixed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342278A true CN109342278A (en) | 2019-02-15 |
Family
ID=65318826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811448838.1A Pending CN109342278A (en) | 2018-11-28 | 2018-11-28 | A kind of particle image velocimetry device with adjustable fixed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342278A (en) |
Citations (14)
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|---|---|---|---|---|
| CN1191921A (en) * | 1997-02-25 | 1998-09-02 | 日钢计划株式会社 | Connecting fastening for steel pipe |
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| KR20050111904A (en) * | 2004-05-24 | 2005-11-29 | 학교법인 포항공과대학교 | System for measuring velocity field using clinical x-ray |
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| CN2519090Y (en) * | 2001-12-30 | 2002-10-30 | 薛洪耘 | Length-adjustable pipe fitting connecting piece |
| KR20050111904A (en) * | 2004-05-24 | 2005-11-29 | 학교법인 포항공과대학교 | System for measuring velocity field using clinical x-ray |
| CN2908585Y (en) * | 2006-05-30 | 2007-06-06 | 苏州三星电子有限公司 | Device for fixing power-line of washing machine |
| CN101666702A (en) * | 2009-09-21 | 2010-03-10 | 浙江大学 | Test device of performance test of stepped diffuser of headbox |
| CN201759698U (en) * | 2010-08-31 | 2011-03-16 | 上海索康医用材料有限公司 | Artificial blood vessel |
| CN201925605U (en) * | 2011-01-12 | 2011-08-10 | 珠海格力电器股份有限公司 | Multi-directional adjustable pipeline fixing device |
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| PB01 | Publication | ||
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Application publication date: 20190215 |