CN110232853A - A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method - Google Patents
A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method Download PDFInfo
- Publication number
- CN110232853A CN110232853A CN201910487758.5A CN201910487758A CN110232853A CN 110232853 A CN110232853 A CN 110232853A CN 201910487758 A CN201910487758 A CN 201910487758A CN 110232853 A CN110232853 A CN 110232853A
- Authority
- CN
- China
- Prior art keywords
- magnetic fluid
- drop
- fluid drop
- laser
- platform
- Prior art date
- 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
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/181—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for electric and magnetic fields; for voltages; for currents
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a kind of magnetic fluid drop deformations and segregation phenomenon observation experiment system, more drops including testing stand and on the testing stand measure component, more drop measurements component two sides are respectively arranged with height-adjustable hoistable platform, and the other side of more drop measurement components is provided with height-adjustable light supply apparatus；Wherein hoistable platform side described in one group is provided with grating scale, and flat thin magnet solenoid or laser locator are provided on the hoistable platform equipped with grating scale, high-speed camera acquisition device is provided on hoistable platform described in another group.The present invention can accurately control flat thin magnet and solenoid position and movement speed, and magnetic fluid drop is effectively ensured with momentary spike magnetic field to neutrality, can dynamically observe the deformation of magnetic fluid drop and law of segregation under magnetic fields.In addition, more drop observation systems realize the sequentially observation of more drop magnetic fluid drops, observed efficiency is improved.
Description
Technical field
The present invention relates to basic physics field of scientific study, more particularly, to a kind of magnetic fluid drop deformation with separate
Phenomenon observation experiment system and test method.
Background technique
Magnetic fluid is that the magnetic particle of nanometer scale (10 ran) is wrapped up as a kind of special functional material
The surfactant of one layer of long-chain is uniformly dispersed in the uniform and stable colloidal solution of the one kind formed in base fluid.The fluid exists
Nonmagnetic attraction when static just shows magnetism, therefore in magnetic fluid seal, damping, medical treatment when externally-applied magnetic field effect
Instrument, sound are adjusted, light is shown, the industrial circles such as magnetic fluid ore dressing are widely used.But the deformation about magnetic fluid drop
Research with separation mechanism is rarely reported, therefore studies deformation and law of segregation of the magnetic fluid under magnetic field for probing into magnetic fluid
Basic physical attribute, extend its Practical field with important scientific meaning.
It is directed to the scientific experiment of magnetic fluid drop deformation and segregation phenomenon, needs, experiment complete with function at this stage
Observation experiment system with high accuracy.According to related data, the domestic and international existing experimental study to magnetic fluid grows a lot, but still
Have the disadvantage that (1) be directed to deformation and segregation phenomenon of the magnetic fluid drop under magnetic fields observation it is less.(2) needle
The deformation of drop and the observation device of segregation phenomenon are less under acting on for variation magnetic field.(3) the existing research system to magnetic fluid
Uniting, experimental facilities is relatively simple, and kinematic accuracy is poor, it is difficult to accurately control kinematic variables, measurement efficiency is low.
Summary of the invention
The present invention is to overcome relatively simple to the research system experimentation equipment of magnetic fluid described in the above-mentioned prior art, movement
Precision is poor, it is difficult to accurately control kinematic variables, the low defect of measurement efficiency, provide a kind of magnetic fluid drop deformation with separate it is existing
As observation experiment system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of magnetic fluid drop deformation with separate it is existing
As observation experiment system, more drops including testing stand and on the testing stand measure component, more drop measurements
Component two sides are respectively arranged with height-adjustable hoistable platform, and the other side of more drop measurement components is provided with height can
The light supply apparatus of adjusting；Wherein hoistable platform side described in one group is provided with grating scale, sets on the hoistable platform equipped with grating scale
It is equipped with flat thin magnet solenoid or laser locator, high-speed camera acquisition device is provided on hoistable platform described in another group.
In the technical scheme, flat thin magnet solenoid can be accurately adjusted using laser locator and more drops measure component
The relative position of upper magnetic fluid drop；Magnetic fluid drop can tune in high-speed camera acquisition device using more drops measurement component
Middle blur-free imaging and the sequentially measurement for realizing more drops, improve measurement efficiency.High-speed camera acquisition device shoots and records magnetic
Fluid drop deformation situation, and it is high by the form that height-adjustable hoistable platform accurately adjusts high-speed camera acquisition device
Degree.The present invention has kinematic accuracy good, accurately controls kinematic variables, the high advantage of measurement efficiency；The present invention can be tested in difference
The deformation of magnetic fluid drop and law of segregation under magnetic field closing speed and various forms of magnetic fields.
Preferably, the hoistable platform includes pedestal, the guide rail on the pedestal and is set to perpendicular on the guide rail
Ball screw of the histogram to arrangement；There is the nut that can be moved axially with ball screw, the nut on the ball screw
It is fixedly connected with the mounting platform of L-type structure；One end of the ball screw is connected with the stepping electricity so that ball screw rotation
Machine, the stepper motor are located at the guide rail top, and the stepper motor is electrically connected with controllor for step-by-step motor.
In the technical scheme, controllor for step-by-step motor control stepper motor work；Stepper motor work drives ball wire
Bar rotation, ball screw drive nut to move axially along ball screw during rotation, and nut drive is secured to be connected
Mounting platform moved along guide rail vertical direction；Mounting platform vertical direction can drive high-speed camera acquisition dress while moving
It sets or flat thin magnet solenoid or laser locator moves together, to realize to high-speed camera acquisition device, flat thin magnet solenoid
And the position of laser locator accurately adjusts.
Preferably, guide groove is provided on the guide rail, the ball screw is set in the guide groove；The nut is rectangular
Nut, the nut are set in the guide groove.In the technical scheme, nut is direction nut, and nut is set in guide groove,
During nut moves in the guide groove of guide rail, weak vibrations can occur during the motion to avoid nut, to lead
It causes high-speed camera acquisition device, flat thin magnet solenoid and laser locator positioning inaccurate, influences the standard of entire experimental result
True property.
Preferably, the mounting platform include the first working panel and the second working panel, first working panel and
The guide rail is parallel, and second working panel and the guide rail are perpendicular；First working panel and the nut are solid
It is fixed to connect, there is mounting hole in arranged in matrix on second working panel.It should be noted that mounting platform is in up and down motion
In the process, the first working panel and guide rail are mutually close to having mounting hole in arranged in matrix on the second working panel, mounting hole is in matrix
Setting can install bolt in different location according to installation requirements, adjust adjusting of the bolt location realization to connecting plate.
Preferably, the high-speed camera acquisition device be located therein one group described on the second working panel；The flat thin magnet
Solenoid or laser locator pass through connecting plate on the second working panel described in another group.In the technical scheme, wherein
High-speed camera acquisition device is installed on one group of second working panel；On another group of the second working panel install flat thin magnet solenoid or
Flat thin magnet solenoid is mounted on the second working panel, then by laser locator first in the course of work of whole system
Laser locator is substituted into the solenoidal position of flat thin magnet.
Preferably, one end of the connecting plate is detachably connected with the mounting hole on second working panel by bolt
It connects, the other end of the connecting plate extend out to second working panel, and connecting plate extend out to the one of second working panel
The mounting groove for installing laser locator is provided on end.In the technical scheme, by bolt by connecting plate and the second work
It links together as panel, to realize the secured connection between connecting plate and the second working panel；Further, it is also possible to according to peace
Bolt is mounted in different mounting holes by dress demand, to adjust the relative position between connecting plate and the second working panel.
It should be noted that connecting plate can be organic glass.In addition, mounting groove is provided on connecting plate, convenient for laser is fixedly mounted
Locator.
Preferably, the flat thin magnet solenoid include set on one end of the connection board flat thin magnet and be set to the flat thin magnet it
On solenoid；The laser locator include can be set to mounting groove in laser fixinig plate and be set to the laser fixinig plate
In laser.In the technical scheme, after solenoid is powered, the magnetism of flat thin magnet can be had an impact.Laser fixinig plate is set
It sets in mounting groove, laser fixinig plate is used for fixed laser；It should be noted that the hot spot that laser issues projects downwards.
Preferably, more drop measurement components include that the first Three Degree Of Freedom on testing stand adjusts platform, is set to
First Three Degree Of Freedom adjusts the cabinet on platform and the turntable on the cabinet；If being disposed radially on the turntable
Dry rectangular channel is provided with the glass slide for carrying magnetic fluid drop in the rectangular channel.In the technical scheme, the one or three certainly
It adjusts platform by degree to be mainly used to adjust the position of magnetic fluid drop, the first Three Degree Of Freedom adjusts platform can be by adjusting cabinet
In tri- directions movements of X, Y, Z so that magnetic fluid drop is mobile in tri- directions X, Y, Z, so that magnetic fluid drop is in high speed
Image blur-free imaging in acquisition device, it is pointed out that the degree of regulation that the first Three Degree Of Freedom adjusts platform is 0.1um；First
Three Degree Of Freedom adjusts platform and uses existing three freedom precision positioning platform, can specifically use optics XYZ Precision trimming
Mobile Slide is displaced three-axis platform LD60-RLC M, but be not limited to that the three-freedom degree precision only with this model positions
Platform, as long as being able to achieve the function of three freedom precision positioning platform.In addition, turntable is by the first step that is arranged in cabinet
Into motor driven, the first stepper motor is electrically connected with the first controllor for step-by-step motor 13；The output of turntable and the first stepper motor
Axis is connected；With the rotation of the first step motor control turntable, the angle turned over every time is 45 degree, and the survey of more drops may be implemented
Amount；Angle between the adjacent rectangular channel of two be arranged on turntable is 45 degree, and turntable is primary per sequentially rotation, two adjacent rectangular channels
In glass slide successively replace, the magnetic fluid drop being placed on glass slide is successively replaced, thus realize to multiple magnetic current body fluid
The observation experiment of droplet deformation and segregation phenomenon.
Preferably, the light supply apparatus includes that the second Three Degree Of Freedom on experimental bench adjusts platform and is set to described
Second Three Degree Of Freedom adjusts the white light source on platform.In the technical scheme, it is adjustable white to adjust platform for the second Three Degree Of Freedom
Displacement of the light source in X, Y, Z three degree of freedom direction is convenient for magnetic fluid drop convenient for white light source to be radiated on magnetic fluid drop
The blur-free imaging in the form in high-speed camera acquisition device.It should be pointed out that light supply apparatus and high-speed camera acquisition device
It is separately positioned on the opposite side of more drop measurement components.It is to be noted that the degree of regulation that the second Three Degree Of Freedom adjusts platform is
0.1um；Second Three Degree Of Freedom adjusts platform and uses existing three freedom precision positioning platform, can specifically use optics
XYZ Precision trimming Mobile Slide be displaced three-axis platform LD60-RLC M, but be not limited to that only with this model three from
By degree precisely locating platform, as long as being able to achieve the function of three freedom precision positioning platform.
The present invention also provides the test methods of a kind of magnetic fluid drop deformation and segregation phenomenon observation experiment, including following step
It is rapid:
S1: glass slide is placed in each rectangular channel on turntable, and a few drop magnetic fluid drops are dripped on glass slide；
S2: opening light supply apparatus and high-speed camera acquisition device, then adjusts the second Three Degree Of Freedom and adjusts platform, adjusts height
The focal length of hoistable platform and high-speed camera acquisition device where speed camera shooting acquisition device, until magnetic fluid drop is being taken the photograph at a high speed
As acquisition device form in blur-free imaging；
S3: laser fixinig plate is placed in the mounting groove on connecting plate, and laser is mounted in laser fixinig plate, and
So that direction of the laser perpendicular to testing stand；
S4: opening laser, observes hot spot of the laser on testing stand；
S5: the bolt on the second working panel is adjusted according to the facula position of laser, if hot spot falls in magnetic fluid drop
Left then adjusts to the right bolt, if hot spot falls in the right of magnetic fluid drop, adjusts bolt to the left, if hot spot falls in magnetic current
The front of body fluid drop, then adjust bolt backward；If hot spot falls in the rear of magnetic fluid drop, bolt is adjusted forward, it is so anti-
Polyphony section, until laser facula is overlapped with magnetic fluid drop centered；
S6: the elemental height H of mounting platform at this time is measured with grating scale；
S7: removing laser locator, changes 1 flat thin magnet and solenoid；
S8: connecting the stepper motor where solenoid and solenoid, the mounting platform where regulating magnet piece solenoid
Decrease speed is respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observe and record the deformation of magnetic fluid drop with
Law of segregation；
S9: controllor for step-by-step motor is closed, so that the stepper motor stop motion where flat thin magnet solenoid；Turntable is sequentially
Rotation makes glass slide and magnetic current body fluid in the magnetic fluid drop replacement step S1 on adjacent another group of glass slide and glass slide
The position of drop；Step S8 is repeated, deformation and the law of segregation of magnetic fluid drop are observed and recorded；
S10: when changing the number of flat thin magnet and being respectively 2,3,4, the mounting platform where regulating magnet piece solenoid is adjusted
Decrease speed be respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observe and record magnetic fluid drop again
Deformation and law of segregation；
S11: step S8, S9, S10 are repeated three times；
S12: using anamorphic video of the magnetic fluid drop shot under transient magnetic field, it can analyze and judge magnetic current body fluid
Drip the law of segregation under transient magnetic field.
Compared with prior art, beneficial effect is:
The present invention can accurately control flat thin magnet and solenoid position and movement speed, and magnetic fluid drop and wink is effectively ensured
When spike magnetic field to neutrality, can dynamically observe the deformation of magnetic fluid drop and law of segregation under magnetic fields.In addition, more liquid
Drop observation system realizes the sequentially observation of more drop magnetic fluid drops, improves observed efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention I；
Fig. 2 is schematic structural view of the invention II；
Fig. 3 is schematic structural view of the invention III；
Fig. 4 is the structural schematic diagram of high speed camera shooting acquisition device of the present invention；
Fig. 5 is the solenoidal structural schematic diagram of flat thin magnet in the present invention；
Fig. 6 is the structural schematic diagram of laser locator in the present invention；
Fig. 7 is the structural schematic diagram of more drop measurement components in the present invention；
Fig. 8 is the structural schematic diagram of light supply apparatus in the present invention；
Fig. 9 is the structural schematic diagram of turntable of the present invention；
Figure 10 is the structural schematic diagram of hoistable platform in the present invention；
Figure 11 is the structural schematic diagram of mounting platform and connecting plate in the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" " length " " short " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore describes position in attached drawing
The term for setting relationship only for illustration, should not be understood as the limitation to this patent, for the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term can be understood as the case may be.
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention is further described:
Embodiment 1
Such as Fig. 1 to Figure 11, a kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system, including testing stand 1 and
More drops on testing stand 1 measure component 2, and more drop measurements 2 two sides of component are respectively arranged with height-adjustable lifting
The other side of platform 3, more drop measurement components 2 is provided with height-adjustable light supply apparatus 4；Wherein one group of hoistable platform 3 one
Side is provided with grating scale 5, and flat thin magnet solenoid 6 or laser locator 7 are provided on the hoistable platform 3 equipped with grating scale 5, another
High-speed camera acquisition device 8 is provided on group hoistable platform.Flat thin magnet solenoid 6 can be accurately adjusted using laser locator 7
With the relative position of magnetic fluid drop 12 on more drops measurement component 2；Magnetic current body fluid can tune to using more drops measurement component 2
Drop 12 blur-free imaging and realizes the sequentially measurements of more drops in high-speed camera acquisition device 8, improves measurement efficiency.High speed is taken the photograph
As acquisition device 8 shoots and records 12 deformation situation of magnetic fluid drop, and pass through the height-adjustable accurately adjustment of hoistable platform 3
The form height of high-speed camera acquisition device 8.
Wherein, hoistable platform 3 including pedestal 31, the guide rail 32 on pedestal 31 and is set to vertical direction on guide rail 32
The ball screw 33 of arrangement；There is the nut 34 that can be moved axially with ball screw 33, nut 34 is fixed on ball screw 33
It is connected with the mounting platform 35 of L-type structure；One end of ball screw 33 is connected with so that the stepper motor that ball screw 33 rotates
9, stepper motor 9 is located at 32 top of guide rail, and stepper motor 9 is electrically connected with controllor for step-by-step motor 10.Controllor for step-by-step motor 10
Stepper motor 9 is controlled to work；The work of stepper motor 9 drives ball screw 33 to rotate, and ball screw 33 drives during rotation
Nut 34 is moved axially along ball screw 33, and it is vertical along guide rail 32 that the drive of nut 34 is secured to connected mounting platform 35
Direction movement；35 vertical direction of mounting platform move while can drive high-speed camera acquisition device 8 or flat thin magnet solenoid 6 or
Laser locator 7 moves together, to realize to high-speed camera acquisition device 8, flat thin magnet solenoid 6 and laser locator 7
Position accurately adjust.
In addition, being provided with guide groove 36 on guide rail 32, ball screw 33 is set in guide groove 36；Nut 34 is square nut, spiral shell
Mother 34 is set in guide groove 36.Nut 34 is square nut, and nut 34 is set in guide groove 36, in the leading along guide rail 32 of nut 34
During being moved in slot 36, weak vibrations can occur during the motion to avoid nut 34, be adopted so as to cause high-speed camera
Acquisition means 8, flat thin magnet solenoid 6 and laser locator 7 position inaccurately, influence the accuracy of entire experimental result.
Wherein, mounting platform 35 includes the first working panel 351 and the second working panel 352, the first working panel 351 and
Guide rail 32 is parallel, and the second working panel 352 and guide rail 32 are perpendicular；First working panel 351 is fixedly connected with nut 34, the
There is mounting hole 353 in arranged in matrix on two working panels 352.It should be noted that process of the mounting platform 35 in up and down motion
In, the first working panel 351 and 32 phase of guide rail are close to having mounting hole 353 in arranged in matrix on the second working panel 352, install
Hole 353 is in arranged in matrix, can install bolt 355 in different location according to installation requirements, adjust 355 position of bolt and realize to even
The adjusting of fishplate bar 11.
In addition, high-speed camera acquisition device 8 is located therein on one group of second working panel 352；Flat thin magnet solenoid 6 swashs
Light-seeking device 7 is set on another group of the second working panel 352 by connecting plate 11.Wherein pacify on one group of second working panel 352
Fill high-speed camera acquisition device 8；Flat thin magnet solenoid 6 or laser locator 7 are installed on another group of the second working panel 352,
In the course of work of whole system, flat thin magnet solenoid 6 is mounted on the second working panel 352 first, then determines laser
Position device 7 substitutes the position of flat thin magnet solenoid 6.
Wherein, one end of connecting plate 11 is detachably connected with the mounting hole 353 on the second working panel 352 by bolt 355
It connects, the other end of connecting plate 11 extend out to the second working panel 352, and connecting plate 11 extend out to one end of the second working panel 352
On be provided with mounting groove 354 for installing laser locator 7.By bolt 355 by connecting plate 11 and the second working panel 352
It links together, to realize the secured connection between connecting plate 11 and the second working panel 352；Further, it is also possible to according to peace
Bolt 355 is mounted in different mounting holes 353 by dress demand, to adjust between connecting plate 11 and the second working panel 352
Relative position.It should be noted that connecting plate 11 can be organic glass.In addition, being provided with mounting groove on connecting plate 11
354, convenient for laser locator 7 is fixedly mounted.
In addition, flat thin magnet solenoid 6 includes set on the flat thin magnet 61 of 11 one end of connecting plate and on flat thin magnet 61
Solenoid 62；Laser locator 7 include can be set to mounting groove 354 in laser fixinig plate 71 and be set to laser fixinig plate 71
In laser 72.After solenoid 62 is powered, the magnetism of flat thin magnet 61 can be had an impact.The setting of laser fixinig plate 71 is being installed
Fixed laser 72 is used in slot 354, when the upper end diameter of laser 72 is greater than the size of mounting groove 354,72 lower end of laser
When diameter is less than the size of mounting groove, laser 72 can be plugged in mounting groove 354, this when can not use laser
Laser 72 is fixed in fixinig plate 71；It should be noted that the hot spot that laser 71 issues projects downwards.
Wherein, more drops measurement components 2 include that the first Three Degree Of Freedom on testing stand 1 adjusts platform 21, is set to the
One Three Degree Of Freedom adjusts the cabinet 22 on platform 21 and the turntable 23 on cabinet 22；If being disposed radially on turntable 23
Dry rectangular channel 24 is provided with the glass slide 25 for carrying magnetic fluid drop 12 in rectangular channel 24.First Three Degree Of Freedom adjusts flat
Platform 21 is mainly used to adjust the position of magnetic fluid drop 12, and the first Three Degree Of Freedom adjusts platform 21 can be existed by adjusting cabinet 22
X, tri- directions Y, Z are mobile so that magnetic fluid drop 12 is mobile in tri- directions X, Y, Z, so that magnetic fluid drop 12 is in height
Blur-free imaging in speed camera shooting acquisition device 8, the degree of regulation that the first Three Degree Of Freedom adjusts platform 21 is 0.1um.In addition, turntable 23
By the first stepping motor driven being arranged in cabinet 22, the first stepper motor is electrically connected with the first controllor for step-by-step motor 13；
Turntable 23 is connected with the output shaft of stepper motor；With the rotation of the first step motor control turntable 23, the angle turned over every time is
45 degree, the measurement of more drops may be implemented；Angle between the adjacent rectangular channel 24 of two be arranged on turntable 23 is 45 degree, turntable 23
Primary per sequentially rotation, the glass slide 25 in two adjacent rectangular channels 24 is successively replaced, the magnetic fluid being placed on glass slide 25
Drop 12 is successively replaced, to realize the observation experiment to multiple magnetic fluid drops 12 deformation and segregation phenomenon.
In addition, light supply apparatus 4 includes that the second Three Degree Of Freedom being set on experimental bench 1 adjusts platform 41 and set on the two or three
Freedom degree adjusts the white light source 42 on platform 41.Second Three Degree Of Freedom adjusts the adjustable white light source 42 of platform 41 in X, Y, Z tri-
The displacement of a freedom degree direction, convenient for white light source 42 to be radiated on magnetic fluid drop 12, convenient for magnetic fluid drop 12 in high speed
Image blur-free imaging in the form in acquisition device 8.It should be pointed out that light supply apparatus 4 and high-speed camera acquisition device 8 are distinguished
The opposite side of more drop measurement components 2 is set.
Embodiment 2:
The present invention also provides the test methods of a kind of magnetic fluid drop deformation and segregation phenomenon observation experiment, including following step
It is rapid:
S1: glass slide 25 is placed in each rectangular channel 24 on turntable 23, and a few drop magnetic currents are dripped on glass slide 25
Body fluid drop 12；
S2: opening light supply apparatus 4 and high-speed camera acquisition device 8, then adjusts the second Three Degree Of Freedom and adjusts platform 41, adjusts
The hoistable platform 3 at 8 place of high-speed camera acquisition device and the focal length of high-speed camera acquisition device 8 are saved, until magnetic fluid drop
12 in the form of high-speed camera acquisition device 8 blur-free imaging；
S3: laser fixinig plate 71 is placed in the mounting groove 354 on connecting plate 11, laser 72 is mounted on laser and is consolidated
In stator 71, and make laser 72 perpendicular to the direction of testing stand 1；
S4: opening laser 72, observes hot spot of the laser on testing stand；
S5: the bolt 355 on the second working panel 352 is adjusted according to the facula position of laser, if hot spot falls in magnetic fluid
The left of drop 12 then adjusts to the right bolt 355 if hot spot falls in the right of magnetic fluid drop 12 and adjusts bolt to the left
355, if hot spot falls in the front of magnetic fluid drop 12, bolt 355 is adjusted backward；After if hot spot falls in magnetic fluid drop 12
Side then adjusts forward bolt 355, adjusts repeatedly, until laser facula is overlapped with 12 center of magnetic fluid drop；
S6: the elemental height H of mounting platform 35 at this time is measured with grating scale 5；
S7: removing laser locator 7, changes 1 flat thin magnet 61 and solenoid 62；
S8: the stepper motor 9 where solenoid 62 and solenoid 62, the installation where regulating magnet piece solenoid 6 are connected
The decrease speed of platform is respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observes and records magnetic fluid drop 12
Deformation and law of segregation；
S9: closing controllor for step-by-step motor 10, so that 9 stop motion of stepper motor where flat thin magnet solenoid 6；Turntable
23 sequentially rotate, and make the load glass in the 12 replacement step S1 of magnetic fluid drop on adjacent another group of glass slide 25 and glass slide 25
The position of piece 25 and magnetic fluid drop 12；Step S8 is repeated, deformation and the law of segregation of magnetic fluid drop 12 are observed and recorded；
S10: when the number of change flat thin magnet 61 is respectively 2,3,4, the installation where adjusting regulating magnet piece solenoid 6 is flat
The decrease speed of platform 35 is respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observes and records magnetic current body fluid again
The deformation of drop 12 and law of segregation；
S11: step S8, S9, S10 are repeated three times；
S12: using anamorphic video of the magnetic fluid drop 12 shot under transient magnetic field, it can analyze judgement magnetic fluid
Law of segregation of the drop 12 under transient magnetic field.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system, it is characterised in that: including testing stand (1) and set
Component (2) are measured in more drops on the testing stand (1), described more drop measurements component (2) two sides are respectively arranged with height
The other side of adjustable hoistable platform (3), more drop measurements component (2) is provided with height-adjustable light supply apparatus
(4)；Wherein hoistable platform described in one group (3) side is provided with grating scale (5), is equipped on the hoistable platform (3) of grating scale (5) and sets
It is equipped with flat thin magnet solenoid (6) or laser locator (7), high-speed camera acquisition is provided on hoistable platform described in another group (3)
Device (8).
2. a kind of magnetic fluid drop deformation according to claim 1 and segregation phenomenon observation experiment system, it is characterised in that:
The hoistable platform (3) includes pedestal (31), the guide rail (32) being set on the pedestal (31) and is set to the guide rail (32)
Upper ball screw (33) arranged in a vertical direction；Having on the ball screw (33) can move axially with ball screw (33)
Nut (34), the nut (34) is fixedly connected with the mounting platform (35) of L-type structure；One end of the ball screw (33)
It is connected with the stepper motor (9) so that ball screw (33) rotation, the stepper motor (9) is located at the guide rail (32) top,
The stepper motor (9) is electrically connected with controllor for step-by-step motor (10).
3. a kind of magnetic fluid drop deformation according to claim 2 and segregation phenomenon observation experiment system, it is characterised in that:
It is provided with guide groove (36) on the guide rail (32), the ball screw (33) is set in the guide groove (36)；The nut (34)
For square nut, the nut (34) is set in the guide groove (36).
4. a kind of magnetic fluid drop deformation according to claim 2 and segregation phenomenon observation experiment system, it is characterised in that:
The mounting platform (35) includes the first working panel (351) and the second working panel (352), first working panel
(351) parallel with the guide rail (32), second working panel (352) and the guide rail (32) are perpendicular；Described first
Working panel (351) is fixedly connected with the nut (34), has mounting hole in arranged in matrix on second working panel (352)
(353)。
5. a kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system stated according to claim 4, it is characterised in that: institute
State high-speed camera acquisition device (8) be located therein one group described on the second working panel (352)；The flat thin magnet solenoid (6)
Or laser locator (7) passes through connecting plate (11) on the second working panel (352) described in another group.
6. a kind of magnetic fluid drop deformation according to claim 5 and segregation phenomenon observation experiment system, it is characterised in that: described
One end of connecting plate (11) is detachably connected with the mounting hole (353) on second working panel (352) by bolt (355)
It connects, the other end of the connecting plate (11) extend out to second working panel (352), and connecting plate (11) extend out to described second
The mounting groove (354) for installing laser locator (7) is provided on one end of working panel (352).
7. a kind of magnetic fluid drop deformation according to claim 6 and segregation phenomenon observation experiment system, it is characterised in that:
The flat thin magnet solenoid (6) include set on connecting plate (11) one end flat thin magnet (61) and be set to the flat thin magnet (61) it
On solenoid (62)；The laser locator (7) includes the laser fixinig plate (71) that can be set in mounting groove (354) and sets
Laser (72) in the laser fixinig plate (71).
8. a kind of magnetic fluid drop deformation according to any one of claims 1 to 7 and segregation phenomenon observation experiment system,
Be characterized in that: more drops measurement component (2) include the first Three Degree Of Freedom adjusting platform (21) on testing stand (1),
The turntable (23) for adjusting the cabinet (22) on platform (21) set on the first Three Degree Of Freedom and being set on the cabinet (22)；It is described
It has been disposed radially on turntable (23) several rectangular channels (24), has been provided in the rectangular channel (24) for carrying magnetic fluid drop
(12) glass slide (25).
9. a kind of magnetic fluid drop deformation according to claim 8 and segregation phenomenon observation experiment system, it is characterised in that:
The light supply apparatus (4) includes that the second Three Degree Of Freedom on experimental bench (1) adjusts platform (41) and set on described second
Three Degree Of Freedom adjusts the white light source (42) on platform (41).
10. a kind of test method of magnetic fluid drop deformation and segregation phenomenon observation experiment, which is characterized in that including following step
It is rapid:
S1: glass slide (25) is placed in each rectangular channel (24) on turntable (23), and drip several drops on glass slide (25)
Magnetic fluid drop (12)；
S2: opening light supply apparatus (4) and high-speed camera acquisition device (8), then adjust the second Three Degree Of Freedom adjusting platform (41),
The focal length of hoistable platform (3) and high-speed camera acquisition device (8) where adjusting high-speed camera acquisition device (8), until magnetic
Fluid drop (12) blur-free imaging in the form of high-speed camera acquisition device (8)；
S3: laser fixinig plate (71) is placed in the mounting groove (354) on connecting plate (11), laser (72) is mounted on sharp
In photofixation piece (71), and make laser (72) perpendicular to the direction of testing stand (1)；
S4: opening laser (72), observes hot spot of the laser on testing stand；
S5: the bolt (355) on the second working panel (352) is adjusted according to the facula position of laser, if hot spot falls in magnetic fluid
The left of drop (12) then adjusts to the right bolt (355) and adjusts to the left if hot spot falls in the right of magnetic fluid drop (12)
Bolt (355) adjusts bolt (355) backward if hot spot falls in the front of magnetic fluid drop (12)；If hot spot falls in magnetic fluid
The rear of drop (12) then adjusts bolt (355) forward, adjusts repeatedly, until laser facula and magnetic fluid drop (12)
Until center is overlapped；
S6: the elemental height H of mounting platform (35) at this time is measured with grating scale (5)；
S7: removing laser locator (7), changes 1 flat thin magnet (61) and solenoid (62)；
S8: connecting solenoid (62) and the stepper motor (9) where solenoid (62), where regulating magnet piece solenoid (6)
The decrease speed of mounting platform is respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observes and records magnetic current body fluid
Drip deformation and the law of segregation of (12)；
S9: it closes controllor for step-by-step motor (10), so that stepper motor (9) stop motion where flat thin magnet solenoid (6)；Turn
Disk (23) sequentially rotates, and makes magnetic fluid drop (12) replacement step on adjacent another group of glass slide (25) and glass slide (25)
The position of glass slide (25) and magnetic fluid drop (12) in S1；Step S8 is repeated, magnetic fluid drop (12) is observed and recorded
Deformation and law of segregation；
S10: when the number of change flat thin magnet (61) is respectively 2,3,4, the installation where adjusting regulating magnet piece solenoid (6) is flat
The decrease speed of platform (35) is respectively 2mm/s, 10mm/s, 20mm/s, 40mm/s, 60mm/s, observes and records magnetic fluid again
The deformation of drop (12) and law of segregation；
S11: step S8, S9, S10 are repeated three times；
S12: using anamorphic video of the magnetic fluid drop (12) shot under transient magnetic field, it can analyze and judge magnetic current body fluid
Drip the law of segregation of (12) under transient magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487758.5A CN110232853A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910487758.5A CN110232853A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110232853A true CN110232853A (en) | 2019-09-13 |
Family
ID=67859259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487758.5A Pending CN110232853A (en) | 2019-06-05 | 2019-06-05 | A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110232853A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888360A (en) * | 2019-11-26 | 2020-03-17 | 天津大学 | Magnetic fluid liquid drop motion control system based on visual servo |
| CN112326777A (en) * | 2020-09-29 | 2021-02-05 | 清华大学 | Device for measuring the surface instability of a magnetic liquid |
| CN113155674A (en) * | 2021-04-19 | 2021-07-23 | 清华大学 | Rheological in-situ characterization and measurement device for magnetic liquid |
| CN113406071A (en) * | 2021-05-19 | 2021-09-17 | 杭州电子科技大学 | Magnetic drive liquid drop motion testing device and testing method thereof |
| CN113522385A (en) * | 2021-07-14 | 2021-10-22 | 中新国际联合研究院 | Moving structure of magnetic digital microfluid and automation equipment thereof |
| CN114062483A (en) * | 2021-11-25 | 2022-02-18 | 西安电子科技大学 | Flexible sensor and metal component defect detection method |
| CN115445678A (en) * | 2022-08-23 | 2022-12-09 | 电子科技大学 | Method and device for driving magnetic fluid to move horizontally and application |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4602173A (en) * | 1984-10-03 | 1986-07-22 | Reginald Briscoe | Magnetic propulsion device |
| CN104110100A (en) * | 2013-12-02 | 2014-10-22 | 成都绿迪科技有限公司 | Steel bar clip pre-stress tensioning anchor block |
| CN105932942A (en) * | 2016-06-28 | 2016-09-07 | 厦门华谱光电科技有限公司 | Hook structure for installing photovoltaic module on roof |
| CN106601096A (en) * | 2016-12-15 | 2017-04-26 | 北京原力辰超导技术有限公司 | Multi-model magnetic field scanning system |
| CN106896046A (en) * | 2017-01-25 | 2017-06-27 | 杭州电子科技大学 | The drop seepage characteristic monitoring method and device of across yardstick motion slit |
-
2019
- 2019-06-05 CN CN201910487758.5A patent/CN110232853A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4602173A (en) * | 1984-10-03 | 1986-07-22 | Reginald Briscoe | Magnetic propulsion device |
| CN104110100A (en) * | 2013-12-02 | 2014-10-22 | 成都绿迪科技有限公司 | Steel bar clip pre-stress tensioning anchor block |
| CN105932942A (en) * | 2016-06-28 | 2016-09-07 | 厦门华谱光电科技有限公司 | Hook structure for installing photovoltaic module on roof |
| CN106601096A (en) * | 2016-12-15 | 2017-04-26 | 北京原力辰超导技术有限公司 | Multi-model magnetic field scanning system |
| CN106896046A (en) * | 2017-01-25 | 2017-06-27 | 杭州电子科技大学 | The drop seepage characteristic monitoring method and device of across yardstick motion slit |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888360A (en) * | 2019-11-26 | 2020-03-17 | 天津大学 | Magnetic fluid liquid drop motion control system based on visual servo |
| CN112326777A (en) * | 2020-09-29 | 2021-02-05 | 清华大学 | Device for measuring the surface instability of a magnetic liquid |
| CN112326777B (en) * | 2020-09-29 | 2021-08-27 | 清华大学 | Device for measuring the surface instability of a magnetic liquid |
| CN113155674A (en) * | 2021-04-19 | 2021-07-23 | 清华大学 | Rheological in-situ characterization and measurement device for magnetic liquid |
| CN113155674B (en) * | 2021-04-19 | 2022-09-09 | 清华大学 | Rheological in-situ characterization and measurement device for magnetic liquid |
| CN113406071A (en) * | 2021-05-19 | 2021-09-17 | 杭州电子科技大学 | Magnetic drive liquid drop motion testing device and testing method thereof |
| CN113522385A (en) * | 2021-07-14 | 2021-10-22 | 中新国际联合研究院 | Moving structure of magnetic digital microfluid and automation equipment thereof |
| CN114062483A (en) * | 2021-11-25 | 2022-02-18 | 西安电子科技大学 | Flexible sensor and metal component defect detection method |
| CN115445678A (en) * | 2022-08-23 | 2022-12-09 | 电子科技大学 | Method and device for driving magnetic fluid to move horizontally and application |
| CN115445678B (en) * | 2022-08-23 | 2023-08-01 | 电子科技大学 | Method, device and application for driving magnetic fluid to horizontally move |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110232853A (en) | A kind of magnetic fluid drop deformation and segregation phenomenon observation experiment system and test method | |
| CN201266175Y (en) | Three-dimensional displacement micro observation device | |
| CN206216237U (en) | A kind of camera module assembly equipment | |
| CN104950256B (en) | VCM motor mechanism for testing and test system and method for testing comprising it | |
| CN106570932A (en) | Image-based human head three dimensional data acquisition system and method | |
| CN106353071B (en) | Method for adjusting the device of laser and adjusting the device and adjust laser using the device | |
| CN110328149A (en) | A kind of mobile-phone lens open defect automatic checkout equipment | |
| CN112505594B (en) | Solenoid magnetic field measuring system and using method thereof | |
| CN108780122A (en) | For the modular track system of the device under test, rail system, mechanism and equipment | |
| CN104714317B (en) | A kind of cassette and substrate transfer device | |
| CN107478413A (en) | A kind of angle of view test device | |
| CN106023716A (en) | Seeker electric turntable and control system thereof | |
| CN108168450A (en) | A kind of precision rotating body diameter of part automatic measuring instrument | |
| CN111175674A (en) | High-precision magnetic field measuring equipment | |
| CN111562214A (en) | Automatic test fixture, infrared remote control detection system and infrared remote control detection method | |
| CN208316896U (en) | A kind of 3D camera detecting device | |
| CN208420338U (en) | A kind of 3D camera automatic checkout equipment | |
| CN208399663U (en) | A kind of magnetometer instrument | |
| CN105000366A (en) | LED chip carrying device | |
| CN208721006U (en) | A kind of detection positioning device and production line | |
| CN102662228B (en) | Arbitrary curved surface vertical numerical-control support of portable metallurgical microscope for large workpieces | |
| CN114088354A (en) | Electronic rearview mirror test system | |
| CN108957809A (en) | A kind of multiple-station rotation Demura equipment | |
| CN209623716U (en) | A kind of auxiliary conditioning unit of stay-supported measuring system | |
| CN209054286U (en) | A kind of industrial camera mounting bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20220902 |
|
| AD01 | Patent right deemed abandoned |