CN206601404U - A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block - Google Patents
A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block Download PDFInfo
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- CN206601404U CN206601404U CN201720398387.XU CN201720398387U CN206601404U CN 206601404 U CN206601404 U CN 206601404U CN 201720398387 U CN201720398387 U CN 201720398387U CN 206601404 U CN206601404 U CN 206601404U
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- sliding block
- fluid
- friction pair
- flow velocity
- axial flow
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Abstract
The utility model discloses a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block, including lighting mechanism, friction pair, lateral optical sampling mechanism and axial optical observation mechanism, the lighting mechanism provides light source for fluid marker, friction pair includes customization sliding block, fluid marker is by customizing the reflection of sliding block, form the virtual image of mark, lateral optical sampling mechanism measures and records the optical imagery perpendicular to fluid marker thickness direction, axial optical observation mechanism measures and recorded the optical imagery of the virtual image of fluid marker formation, by contrasting image difference when friction pair static relative to fluid marker and motion, to realize three-dimensional flow measurement and analysis of the fluid in limitation gap.The utility model equipment is simple, easy to operate.
Description
Technical field
The utility model is related to friction pair fluid film fields of measurement, and in particular to a kind of friction secondary fluid of customization sliding block
Film axial flow velocity image measuring device.
Background technology
Fluid film is widely present in microfluidic device, bearing and the lubrication of organism.Hydrodynamic lubrication and elasticity
Hydrodynamic lubrication axial flow velocity complex distribution, except the pure shear as caused by two surface relative sliding velocities is flowed, it is also possible to
In the presence of the pressure flow as caused by barometric gradient.
The distribution of fluid film axial flow velocity is influenceed by many factors such as the architectural characteristics and interface wet ability of lubricating oil, axially
Velocity flow profile shape is extremely complex.The bearing capacity and frictional force of its distribution influence friction pair.Simultaneously because thickness is in micron
Magnitude, microgap axial direction imaging observation is difficult, and the axial flow velocity distribution research to fluid thickness at present is mainly theoretical calculation, lacks
Weary effectively direct observation method.
Utility model content
The utility model is in order to solve the above problems, it is proposed that a kind of friction pair fluid film axial flow velocity for customizing sliding block
Image measuring device, the utility model is by setting lateral optical sampling mechanism to the optics perpendicular to fluid marker thickness direction
Information is recorded, and axial optical observation mechanism is obtained by customization sliding block institute into the virtual image, to parallel to fluid marker thickness plane
Information carries out imaging measurement, with simple in construction, easily design processing, and the three-dimensional flow of complex fluid divides in measurable microgap
Cloth.
To achieve these goals, the utility model is adopted the following technical scheme that：
It is a kind of customize sliding block friction pair fluid film axial flow velocity image measuring device, including lighting mechanism, friction pair,
Lateral optical sampling mechanism and axial optical observation mechanism, the lighting mechanism provide light source, the friction pair for fluid marker
Including customization sliding block, the fluid marker forms the virtual image of mark, the lateral optical observation airplane by customizing the reflection of sliding block
Structure measures and records the optical imagery perpendicular to fluid marker thickness direction, and the axial optical observation mechanism measures and records stream
Body marks the optical imagery for the virtual image to be formed, the difference of fluid marker image during by contrasting friction pair geo-stationary and motion
It is different, to realize three-dimensional flow measurement and analysis of the fluid in limitation gap.
Further, the friction pair includes customization sliding block and substrate, and fluid is limited between substrate and customization sliding block,
The light source of lighting mechanism illuminates fluid marker through substrate, and the luminous intensity in fluid marker region is different from non-marked area.
Further, relative variability can occur for the position of the customization sliding block and substrate, and the variation is defined in level
On direction.
Further, the customization sliding block, is wedge block structure, and with two parallel water planes up and down, side is oblique
Face, the image of fluid marker passes through the slant reflection, forms the virtual image.
Further, the customization sliding block is transparent material.
Further, the angle in the inclined-plane same level face is 30 degree~60 degree.
Further, the chamfered surface is coated with high-reflecting film, and sliding block lower surface and substrate are coated with anti-reflection film.
Further, the lighting mechanism, including light source, spectroscope and the first object lens, the light that the light source is sent lead to
Cross after spectroscope by the convergence of the first object lens, fluid marker is illuminated.
Further, the lateral optical sampling mechanism includes the first lens and the first imaging sensor, and described first is saturating
Mirror and the first imaging sensor and the first object lens are set on the same axis, and the light of fluid marker is directly through substrate, successively
By the first object lens and spectroscope, by the first lens imaging on the first imaging sensor, obtaining lateral fluid mark flow velocity letter
Breath.
Further, the axial optical observation mechanism include be located at same axis on the second object lens, the second lens and
Second imaging sensor, the light of the fluid marker virtual image is through substrate, the second object lens and the second lens imaging to the second image sensing
On device, axial flow of fluid mark flow rate information is obtained.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model realizes three-dimensional flow measurement of the fluid in limitation gap, and measuring accuracy is high.
(2) the utility model is simple in construction, easy to operate, can directly observe the three-dimensional flow distributed intelligence of fluid film.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not constitute the improper restriction to the application.
Fig. 1 is measurement apparatus schematic diagram described in the utility model；
Fig. 2 is test device partial enlarged drawing described in the utility model；
The image information schematic diagram that Fig. 3 is obtained when being friction pair geo-stationary；
The image information schematic diagram that Fig. 4 is obtained when being friction pair relative motion；
Wherein, 1, fluid marker, 2, customization sliding block, 3, the virtual image of mark, 4, substrate, the 5, first object lens, 6, spectroscope, 7,
Light source, the 8, first lens, the 9, first imaging sensor, the 10, second imaging sensor, the 11, second lens, the 12, second object lens,
13rd, fluid marker during friction pair geo-stationary, 14, friction pair geo-stationary when first sensor obtain image, 15 friction parafacies
To it is static when second sensor obtain image, 16, friction pair relative motion when fluid marker, 17, friction pair relative motion when the
One sensor obtain image, 18, friction pair relative motion when second sensor obtain image.
Embodiment：
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
It is noted that described further below is all exemplary, it is intended to provide further instruction to the application.Unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, the axial flow velocity distribution research at present to fluid thickness in the prior art is mainly
Theoretical calculation, lacks effectively direct observation method, in order to solve technical problem as above, sliding block is customized present applicant proposes one kind
Friction pair fluid film axial flow velocity image measuring device.
The utility model is marked using dynamic fluid mark and empty imaging technique by laterally observation mark and axial observation
To obtain the three-dimensional information of friction pair fluid film flow velocity.
In a kind of typical embodiment of the application, there is provided a kind of friction secondary fluid for customizing sliding block as shown in Figure 1
Film axial flow velocity image measuring device, the device is seen by illuminator, friction pair, lateral optical observation system, axial optics
Examining system is constituted；Illuminator includes：Light source 7, spectroscope 6, the first object lens 5；Friction pair includes：Fluid marker 1, customization sliding block
2nd, substrate 4；Lateral optical observation system includes：First object lens 5, the first lens 8 and the first imaging sensor 9；Axial optics is seen
Examining system includes the second lens 11, the second object lens 12 and the second imaging sensor 10；Lateral optical observation system is recorded and measured
Perpendicular to the optical imagery of the thickness direction of fluid marker 1, axial optical observation system record and measurement are by the reflectance coating of customization sliding block 2
To the institute of fluid marker 1 into the virtual image 3, i.e., carry out imaging measurement along the thickness direction of fluid marker 1.
Lateral optical observation system records and measured the optical imagery (x-y plane) perpendicular to the thickness direction of fluid marker 1,
Axial optical observation system is recorded and measured by the reflectance coating of customization sliding block 2 to the institute of fluid marker 1 into the virtual image 3, i.e., along fluid marker 1
Thickness direction carries out imaging measurement (y-z plane).
Customization sliding block 2 in above-mentioned test device uses transparent material, is wedge block structure, up and down two parallel, horizontals
Face, side is inclined-plane, and inclined-plane is 30 degree~60 degree with the angle of bottom surface, and chamfered surface plating high-reflecting film, sliding block lower surface and base
Plate anti-reflection film in bottom.
Fluid marker 1 in above-mentioned test device is located between customization sliding block 2 and substrate 4, and customization sliding block 2 is deposited with substrate 4
Relative motion (moving along the x-axis direction) in the horizontal direction.
Fluid marker 1 in above-mentioned test device can be obtained by modes such as fluorescence recovery after photo- bleaching or particle labels,
Under the conditions of light source 7 irradiates, the luminous intensity in fluid marker region 1 is set to be different from non-marked area.
The light sent in above-mentioned test device by light source 7 is assembled through the object lens 5 of spectroscope 6 and first, will be flowed through substrate 4
Body mark 1 is illuminated, and fluid marker 1 is customized the slant reflection of sliding block 2, forms the virtual image 3 of mark, the light of the virtual image 3 of mark
It is imaged onto through substrate 4, the second object lens 12 and the second lens 11 on the second imaging sensor 10, the during analysis friction pair geo-stationary
First sensor obtains the difference between image 17 when one sensor obtains image 14 and friction pair relative motion, so as to pass through horizontal stroke
Fluid orthogonal is obtained in the velocity information of thickness direction to optical observation system.The light of fluid marker 1 directly through substrate 4,
By the first object lens 5, through spectroscope 6, by the first lens imaging on the first imaging sensor 9, analysis friction pair is relatively quiet
Second sensor obtains the difference between image 18 when second sensor obtains image 15 and friction pair relative motion when only, so that
The velocity information of fluid through-thickness is obtained by axial optical observation system.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block, it is characterized in that：Including lighting mechanism,
Friction pair, lateral optical sampling mechanism and axial optical observation mechanism, the lighting mechanism provides light source for fluid marker, described
Friction pair includes customization sliding block, and the fluid marker forms the virtual image of mark, the lateral optical by customizing the reflection of sliding block
Sampling mechanism measures and records the optical imagery perpendicular to fluid marker thickness direction, and the axial optical observation mechanism measurement is simultaneously
The optical imagery of the virtual image of fluid marker formation is recorded, fluid marker image during by contrasting friction pair geo-stationary and motion
Difference, with realize fluid limitation gap in three-dimensional flow measurement with analysis.
2. a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block as claimed in claim 1, it is special
Levying is：The friction pair includes customization sliding block and substrate, and the fluid marker is limited between substrate and customization sliding block, illumination
The light source of mechanism illuminates fluid marker through substrate, and the luminous intensity in fluid marker region is different from non-marked area.
3. a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block as claimed in claim 2, it is special
Levying is：Relative variability can occur for the position of the customization sliding block and substrate, and the variation is defined in horizontal direction.
4. a kind of friction pair fluid film axial flow velocity imaging measurement dress of customization sliding block as described in claim 1 or 2 or 3
Put, it is characterized in that：The customization sliding block, is wedge block structure, and with two parallel water planes up and down, side is inclined-plane, stream
The image of body mark passes through the slant reflection, forms the virtual image.
5. a kind of friction pair fluid film axial flow velocity imaging measurement dress of customization sliding block as described in claim 1 or 2 or 3
Put, it is characterized in that：The customization sliding block is transparent material.
6. a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block as claimed in claim 4, it is special
Levying is：The angle in the inclined-plane same level face is 30 degree~60 degree.
7. a kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block as claimed in claim 4, it is special
Levying is：The chamfered surface is coated with high-reflecting film, and sliding block lower surface and substrate are coated with anti-reflection film.
8. a kind of friction pair fluid film axial flow velocity imaging measurement dress of customization sliding block as described in claim 1 or 2 or 3
Put, it is characterized in that：The lighting mechanism, including light source, spectroscope and the first object lens, the light that the light source is sent pass through light splitting
Assembled after mirror by the first object lens, fluid marker is illuminated.
9. a kind of friction pair fluid film axial flow velocity imaging measurement dress of customization sliding block as described in claim 1 or 2 or 3
Put, it is characterized in that：The lateral optical sampling mechanism includes the first lens and the first imaging sensor, first lens and the
One imaging sensor and the first object lens are set on the same axis, and the light of fluid marker sequentially passes through the directly through substrate
One object lens and spectroscope, by the first lens imaging on the first imaging sensor, obtain lateral fluid mark flow rate information.
10. a kind of friction pair fluid film axial flow velocity imaging measurement dress of customization sliding block as described in claim 1 or 2 or 3
Put, it is characterized in that：The axial optical observation mechanism includes the second object lens, the second lens and the second figure being located on same axis
As sensor, the light of the fluid marker virtual image is through on substrate, the second object lens and the second lens imaging to the second imaging sensor, obtaining
Flow rate information is marked to axial flow of fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398387.XU CN206601404U (en) | 2017-04-17 | 2017-04-17 | A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720398387.XU CN206601404U (en) | 2017-04-17 | 2017-04-17 | A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block |
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| CN206601404U true CN206601404U (en) | 2017-10-31 |
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| CN201720398387.XU Withdrawn - After Issue CN206601404U (en) | 2017-04-17 | 2017-04-17 | A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896239A (en) * | 2017-04-17 | 2017-06-27 | 青岛理工大学 | A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block |
-
2017
- 2017-04-17 CN CN201720398387.XU patent/CN206601404U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896239A (en) * | 2017-04-17 | 2017-06-27 | 青岛理工大学 | A kind of friction pair fluid film axial flow velocity image measuring device for customizing sliding block |
| CN106896239B (en) * | 2017-04-17 | 2019-08-20 | 青岛理工大学 | A kind of friction secondary fluid film axial flow velocity image measuring device customizing sliding block |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171031 Effective date of abandoning: 20190820 |