CN109085385A - One kind demarcating multi-direction adjusting bracket panel and its test method based on PIV target disc - Google Patents
One kind demarcating multi-direction adjusting bracket panel and its test method based on PIV target disc Download PDFInfo
- Publication number
- CN109085385A CN109085385A CN201811242751.9A CN201811242751A CN109085385A CN 109085385 A CN109085385 A CN 109085385A CN 201811242751 A CN201811242751 A CN 201811242751A CN 109085385 A CN109085385 A CN 109085385A
- Authority
- CN
- China
- Prior art keywords
- target disc
- horizontal plate
- hole
- piv
- adjusting bracket
- 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.)
- Granted
Links
- 238000010998 test method Methods 0.000 title claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000917 particle-image velocimetry Methods 0.000 description 20
- 238000005259 measurement Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
- G01P21/025—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers for measuring speed of fluids; for measuring speed of bodies relative to fluids
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses one kind to demarcate multi-direction adjusting bracket panel and its test method based on PIV target disc；Adjusting bracket panel includes horizontal plate, vertical disk, target disc hole is provided on horizontal plate, vertical disk, horizontal plate is connect with vertical disk in 90 degree of angles, level meter is connected on horizontal plate, horizontal plate arranged on left and right sides edge is provided with the opposite slideway through-hole in position, is provided with slidable screw in slideway through-hole.Target disc the following steps are included: S1, is fixed on horizontal plate upper end or the vertical disk back side by test method；S2, a three-dimensional system of coordinate is established on horizontal plate；S3, horizontal plate is clamped with bracket, adjustment horizontal plate makes it be in a horizontal state；S4, the first tape measure or the second tape measure are pulled out；Camera riding position is substantially determined by band tape graduation；S5, weight line is hung on screw, and two weight lines are coincided；S6, mobile camera is finely adjusted；S7, after target disc has fully entered the display window of computer, complete proving operation.
Description
Technical field
Test the speed field the present invention relates to particle, more particularly to it is a kind of based on PIV target disc demarcate multi-direction adjusting bracket panel and
Its test method.
Background technique
PIV velocity measuring technique (Particle Image Velocimetry) has been broken very compared to traditional velocity measuring technique
More limitations is a kind of very promising noiseless regional velocity measuring technique.Here, the calibration of target disc is very important
Something, it is the relationship that found by the projector distance in CCD camera with particle displacement actual range, calculates a picture
The corresponding relationship of vegetarian refreshments and actual displacement.Three dimensional particles tachymeter is also to flow through in target disc region by trace particle
Distance Δ l and the time Δ t ratio used in it, according toCalculate its speed.X, the component velocity in tri- directions Y, Z, with this
Analogize.Formula manipulation can be carried by software according to its velocity field go out the data such as pressure field, Vorticity Field.Using PIV in three-dimensional flow
When measuring flow velocity in, needs to select a region by target disc first, the region is shot using equipment such as CCD cameras.
It is selected and specific gravity phase by equipment such as wind-tunnel or air blowers as pushing flow field to include the external force source of trace particle movement
When and followability, light scattering good missing particle, velocity flow profile is carried out in three-dimensional flow field.
When measurement internal fluid, or when flow velocity subsequent by a certain barrier, generally require by equipment such as lasers
Sheet laser is issued, illuminating target disc region to be measured, to the square area for shooting the equipment such as target disc region and CCD camera
The quickly accurate stop of coincidence and sheet laser on target disc is a very time-consuming fine work actually.And it is how both time saving
It is the key that then problem that sheet laser, which is accurately stayed in region to be measured, again.
In the calibration process of target disc, instrument of the CCD camera as shooting, is substantially that area coordinate to be measured spatially is led to
The parsing of mapping function equation group is crossed to import in camera and system software.Therefore, the accuracy of calibration directly affects the precision of parsing.Piece
Light uniformly illuminate in parallel target disc and with camera optical axis constitute plane it is vertical.The distance between camera and target disc in calibration process
Deviation is also one of error.Therefore target disc and sheet laser want the difficult point and key of stringent coplanar actually this technology.On target disc
Cross will be strict controlled in CCD camera imaging area immediate vicinity, when demarcating target disc in three-dimensional space, the practical movement of target disc
Both distance and the picture moving presented on computers by CCD camera distance differ greatly, and demarcate at this time, and time-consuming reason is most
Be have several millimeters of edge that can not be aligned because target disc is with the CCD camera shooting area that is in computer software is passed through, or
The inclination of target disc edge shows that shooting window is not overlapped with computer.
Supplementary instrument at this stage can not be adjusted simultaneously in PIV target disc calibration process target disc it is upper and lower in three dimensions,
Left, right, front and rear six direction, and it is unable to measure the distance between CCD camera and target disc.
In actual photographed, the not only only horizontal positioned shooting of CCD camera and target disc also has target disc and CCD camera
Vertical direction shooting.It is now few dedicated in PIV experiment, installing the three-legged support of target disc in the market, even if having is also
It is expensive, and the problems such as the level of X/Y plane can only be solved, skew can not be solved.In most cases, the bracket used is all
It is replaced with the bracket of common slr camera.When changing fixed setting, needed to dismantle tripod rotation axis to change direction, both
It is time-consuming, and trouble, repeatedly installing and dismounting can reduce the service life of tripod repeatedly, bring pole to PIV target disc proving operation
Big inconvenience.
Summary of the invention
Object of the present invention is to solve the above problems, it is simple, easy to use multi-party in the calibration of PIV target disc to design a kind of structure
To adjusting bracket panel and its test method.
To achieve the goals above, the technical scheme is that
One kind demarcating multi-direction adjusting bracket panel based on PIV target disc, and the adjusting bracket panel includes horizontal plate, vertical disk,
Target disc hole is provided on horizontal plate, vertical disk, horizontal plate is connect with vertical disk in 90 degree of angles, and water is connected on horizontal plate
Level, horizontal plate arranged on left and right sides edge are provided with the opposite slideway through-hole in position, and being provided in slideway through-hole can be in slideway through-hole
The screw of interior sliding.
Further, the horizontal plate includes the first upper cover plate, the first lower plate with groove, and the first upper cover plate is covered on
First lower plate upper end is provided with the first tape measure in the groove of the first lower plate；Vertical disk includes the second upper cover plate, with groove
Second lower plate, the second upper cover plate are connected to the second lower plate rear end, are provided with the second tape measure in the groove of the second lower plate.
Further, the target disc hole is 4 and is arranged side by side two-by-two.
Further, there are two first tape measures, two the first tape measures are coaxial with target disc hole two-by-two side by side respectively
Setting；There are two second tape measures, the setting coaxial with target disc hole two-by-two side by side respectively of two the second tape measures.
Further, the level meter at least there are two, wherein horizontal plate front end side wall at least one, horizontal plate two
Side side wall at least one.
Further, weight instrument is removably connected on the horizontal plate and/or vertical disk lateral wall.
Further, the weight instrument at least there are two.
Further, the screw has 4, and two of them are fixed on slideway through-hole one end and are symmetrical arranged, other two
It is arranged in slideway through-hole and is slidably connected with slideway through-hole.
It is a kind of that the multi-direction test method for adjusting bracket panel is demarcated based on PIV target disc, comprising the following steps:
S1, target disc is fixedly connected on horizontal plate upper end or the vertical disk back side by target disc hole；When progress level calibration
When target disc is fixedly connected on horizontal plate upper end, target disc is fixedly connected on the vertical disk back side when being demarcated vertically；
S2, water intaking square position front edge center are origin, and it is vertically the direction Y, vertically that right side is X positive direction inwards
It is upwards Z-direction, establishes a three-dimensional system of coordinate；
S3, horizontal plate is clamped with bracket, makes to be located at horizontal plate front end side wall and two sides side wall by adjusting horizontal plate
On level meter keep horizontality；
S4, the second tape measure in the first tape measure or vertical disk in horizontal plate is pulled out；It will when carrying out level calibration
First tape measure level pulls out, and pulls out the second tape measure vertically when being demarcated vertically；According to identified phase in previous experiment
Machine substantially determines camera riding position by band tape graduation at a distance from target disc；
S5, weight line is hung on the screw of horizontal plate arranged on left and right sides respectively, screw is slided into the both ends of slideway through-hole
Or below the edge of target disc；Screw is slided into when carrying out level calibration below the edge of target disc, when being demarcated vertically
Screw is slided into slideway through-hole both ends；Horizontal plate is adjusted, so that two weight line phases when two weight lines from Y direction
It is overlapped；
Whether the regional display to be measured in S6, observation computer by target disc is all put into display window, by moving horizontally phase
Machine is finely adjusted；
S7, after target disc is all put into display window by the regional display to be measured in computer, pass through the first tape measure
Or second tape measure the distance between camera and target disc at this time, complete proving operation.
Compared with prior art, the advantages and positive effects of the present invention are:
The present invention is by being in design that 90 degree angles are connect by horizontal plate and vertical disk, so that no matter in progress level calibration
Or vertical calibration, it is only necessary to the stationary state adjustment of horizontal plate is appropriate, that is, it may make the vertical disk perpendicular with horizontal plate to reach
Standard state, so that the target disc being fixed on horizontal plate or vertical disk can be rapidly reached the state that PIV measurement requires；And
And horizontal plate side wall is provided with the design of level meter with the screw that can be slided in slideway through-hole, the combination of screw and weight instrument
The heeling condition of horizontal plate can be detected, allow operator that horizontal plate is rapidly adjusted to standard state,
It avoids because horizontal plate inclination causes the target disc being fixed on horizontal plate or vertical disk not meet the situation hair that PIV measurement requires
It is raw, increase practicability of the invention；On the other hand, operation of the present invention is simple, principle is understandable, convenience and high-efficiency, low in cost, together
When target disc level calibration suitable for PIV measurement and vertical calibration, can quickly will be locating for target disc in actual application process
Three-dimensional space position be overlapped with region captured by CCD camera with window size specified in computer, avoid and computer window occur
There is inclined situation with region captured by CCD camera and occurs in mouth, and can pass through the design of the first tape measure or the second tape measure
CCD camera can be helped quickly to find spatial position corresponding with target disc；And between measurement and record CCD camera and target disc
Distance facilitates the rapid progress of calibration measurement work next time, brings great convenience to the proving operation of PIV target disc.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural diagram of the present invention one；
Fig. 2 is structural schematic diagram two of the invention；
Fig. 3 is the connection structure diagram of the first lower plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of that multi-direction adjusting bracket panel, the adjusting bracket panel are demarcated based on PIV target disc
Including horizontal plate, vertical disk, horizontal plate upper end is provided with 4 target disc holes 8,9,11,14；4 target discs are provided on vertical disk
Hole 20,21,24,26；Target disc hole is arranged side by side two-by-two, and horizontal plate is connect with vertical disk in 90 degree of angles, horizontal plate side
Level meter 3,17,23 is connected on wall；Level meter 1,25,28 is connected on vertical disk side wall；Horizontal plate arranged on left and right sides edge is set
Be equipped with the opposite slideway through-hole 4,32 in position, be provided in slideway through-hole the screw 6 that can be slided in slideway through-hole, 7,12,
13；Weight instrument 5,22 is removably connected on horizontal plate lateral wall.
The horizontal plate includes the first upper cover plate 10, the first lower plate 15 with groove, and the first upper cover plate 10 is covered on the
One lower plate, 15 upper end is provided with the first tape measure 30,31 in the groove of the first lower plate 15；First tape measure is by being located under first
The tape measure through slot 16,18 of bottom plate is horizontal from horizontal plate to be pulled out, and vertical disk includes the second upper cover plate 2, the second bottom with groove
Plate 19, the second upper cover plate 2 are connected to 19 rear end of the second lower plate, and the second tape measure is provided in the groove of the second lower plate 19, the
Two tape measures are pulled out from vertical disk vertically by being located at the tape measure through slot 27,29 of the second lower plate；First tape measure, the second tape measure are equal
Setting coaxial with target disc hole, such as the first tape measure 30 is coaxial with target disc hole 8, the first tape measure 31 is coaxial with target disc hole 11.
According to right-handed coordinate system, taking Fig. 1 level meter 17 is origin, and right side is X positive direction, and vertical paper is Y-direction inwards,
It is straight up Z-direction.In level calibration in use, first being pressed from both sides the negative direction X i.e. the left side of level meter 17 with bracket
Firmly, while two level meters 3,17 are observed, to guarantee whether X/Y plane is horizontal, that is, whether target disc all around topples over not
It is flat, in the case where guaranteeing that level meter 3,17,23 is all parallel, according to the direction of gravity principle straight down, weight instrument will be hung with
Screw 6 and screw 12 slide into immediately below two edges of target disc, from Y direction, by be straightened by weight instrument two
Whether bar filament is overlapped, it is possible to determine that whether target disc is crooked in the horizontal direction.And then it adjusts and arrives suitable position.
In vertical direction calibration, bracket clamps the position near level meter 17, by target disc by target disc hole 20,21,
24,26 it is mounted in the vertical disk back side (side that do not blocked by upper horizontal disk), because of horizontal bracket panel and vertical bracket panel
Angle is 90 degree for corresponding angles, as long as so horizontal bracket panel is horizontal and the weight that is placed under two screws from Y direction
Line is overlapped, and target disc position has just met the requirements.
The present invention is by being in design that 90 degree angles are connect by horizontal plate and vertical disk, so that no matter in progress level calibration
Or vertical calibration, it is only necessary to the stationary state adjustment of horizontal plate is appropriate, that is, it may make the vertical disk perpendicular with horizontal plate to reach
Standard state, so that the target disc being fixed on horizontal plate or vertical disk can be rapidly reached the state that PIV measurement requires；And
And horizontal plate side wall is provided with the design of level meter with the screw that can be slided in slideway through-hole, allows operator fast
Horizontal plate is adjusted to standard state by speed, is avoided because horizontal plate inclination leads to the target being fixed on horizontal plate or vertical disk
Disk does not meet the situation that PIV measurement requires and occurs, and increases practicability of the invention；On the other hand, operation of the present invention is simple, former
Understandable, convenience and high-efficiency is managed, it is low in cost, while target disc level calibration and vertical calibration suitable for PIV measurement, actual
It can be quickly by window specified in region captured by three-dimensional space position locating for target disc and CCD camera and computer in application process
Size is overlapped, and avoids and the inclined situation generation of the appearance of region captured by computer window and CCD camera occurs, and can pass through
The design of first tape measure or the second tape measure can help CCD camera quickly to find spatial position corresponding with target disc；And measurement
With record the distance between CCD camera and target disc, the rapid progress of calibration measurement work next time is facilitated, to the mark of PIV target disc
Fixed operation brings great convenience.
Test method
Horizontal direction mark fixed cycle operator is being carried out to target disc region to be measured using CCD camera using this method combination bracket panel
Step are as follows:
Firstly, target disc is fixed on four target disc hole locations on horizontal plate, according to right-handed coordinate system, take Fig. 1 horizontal
Instrument 17 is origin, and right side is X positive direction, and vertical paper is Y-direction inwards, is straight up Z-direction.First with bracket by negative X
Direction i.e. the left side of level meter 17 are clamped.
Then, it is whether horizontal that two level meters 3,17 are observed, to guarantee whether X/Y plane is horizontal in three-dimensional system of coordinate.This step
It suddenly is to eliminate whether target disc all around topples over injustice.
Two the first tape measure levels in disk are pulled out, determine the substantially placement height of CCD camera.According to previous experiment experience
Identified camera and target disc distance, by band tape graduation come substantially riding position.Because camera is required with target disc when use
It is placed on bracket to adjust height, and generally has the distance of 50-90CM between the two, so the target disc with bracket panel is put
After bracket, two first tape measures are pulled out, a plane can be formed, and then substantially determine camera and target disc in same height
Degree.
Two sides weight instrument is removed, is placed on two screws in the following, and sliding into two edges of target disc just with line suspension respectively
Lower section.In terms of Y direction, whether two weight lines are overlapped.This step is before and after eliminating target disc after the placement of XY planar horizontal
Skew problem.
Finally, whether the regional display to be measured in observation computer by target disc is all put into display window, pass through level
Mobile CCD camera is finely adjusted.
After target disc is all put into display window by the regional display to be measured in computer, pass through the first tape measure
The distance of camera and target disc at this time completes calibration immediately.
The operating procedure when carrying out target disc region to be measured and carrying out vertical direction calibration with CCD camera are as follows:
Firstly, target disc is mounted in the back side of vertical disk (i.e. not by upper horizontal disk by target disc hole 20,21,24,26
The side blocked), according to right-handed coordinate system, taking Fig. 1 level meter 17 is origin, and right side is X positive direction, and vertical paper is Y inwards
Direction is straight up Z-direction.The position near level meter 17 is clamped with bracket first.
Then, it is whether horizontal that two level meters 3,17 are observed, to guarantee whether X/Y plane is horizontal in three-dimensional system of coordinate.This step
It suddenly is to eliminate whether target disc all around topples over injustice.
Two second tape measures in disk are pulled out from vertical disk, determine CCD camera in the substantially riding position of vertical direction.
According to CCD camera determined by previous experiment experience and target disc distance, is determined by band tape graduation and substantially place height.
Finally, remove two sides weight instrument, be placed on screw with line suspension respectively in the following, screw slide into slideway through-hole both ends or
Person is fixed on slideway through-hole both ends；Whether two weight lines are overlapped in terms of Y direction.This step is to eliminate target disc in X/Y plane water
Front and back skew problem after placing flat.
At this point, whether the regional display to be measured in observation computer by target disc is all put into display window, pass through level
It is finely adjusted with vertical shift CCD camera.
After target disc is all put into display window by the regional display to be measured in computer, by the second tape measure this
The distance of Shi Xiangji and target disc complete calibration immediately.
Claims (9)
1. one kind demarcates multi-direction adjusting bracket panel based on PIV target disc, it is characterised in that: the adjusting bracket panel includes level
Disk, vertical disk are provided with target disc hole on horizontal plate, vertical disk, and horizontal plate is connect with vertical disk in 90 degree of angles, horizontal plate
On be connected with level meter, horizontal plate arranged on left and right sides edge is provided with the opposite slideway through-hole in position, and being provided in slideway through-hole can
The screw slided in slideway through-hole.
2. demarcating multi-direction adjusting bracket panel based on PIV target disc as described in claim 1, it is characterised in that: the horizontal plate
Including the first upper cover plate, the first lower plate with groove, the first upper cover plate is covered on the first lower plate upper end, the first lower plate
The first tape measure is provided in groove；Vertical disk includes the second upper cover plate, the second lower plate with groove, and the second upper cover plate is connected to
Second lower plate rear end is provided with the second tape measure in the groove of the second lower plate.
3. as described in claim 1 or 2 is any demarcate multi-direction adjusting bracket panel based on PIV target disc, it is characterised in that: described
Target disc hole is 4 and is arranged side by side two-by-two.
4. demarcating multi-direction adjusting bracket panel based on PIV target disc as claimed in claim 3, it is characterised in that: the first volume
There are two rulers, the setting coaxial with target disc hole two-by-two side by side respectively of two the first tape measures；There are two second tape measures, and two
The setting coaxial with target disc hole two-by-two side by side respectively of second tape measure.
5. demarcating multi-direction adjusting bracket panel based on PIV target disc as claimed in claim 4, it is characterised in that: the level meter
There are two at least, wherein horizontal plate front end side wall at least one, horizontal plate two sides side wall at least one.
6. as described in claim 1 or 2 is any demarcate multi-direction adjusting bracket panel based on PIV target disc, it is characterised in that: described
Weight instrument is removably connected on horizontal plate and/or vertical disk lateral wall.
7. demarcating multi-direction adjusting bracket panel based on PIV target disc as claimed in claim 6, it is characterised in that: the weight instrument
There are two at least.
8. demarcating multi-direction adjusting bracket panel based on PIV target disc as described in claim 1, it is characterised in that: the screw has 4
It is a, two of them be fixed on slideway through-hole one end and be symmetrical arranged, other two be arranged in slideway through-hole and with slideway through-hole
It is slidably connected.
9. demarcating the multi-direction test method for adjusting bracket panel based on PIV target disc as claimed in claim 5, which is characterized in that
The following steps are included:
S1, target disc is fixedly connected on horizontal plate upper end or the vertical disk back side by target disc hole；It will when carrying out level calibration
Target disc is fixedly connected on horizontal plate upper end, and target disc is fixedly connected on the vertical disk back side when being demarcated vertically；
S2, water intaking square position front edge center are origin, and it is vertically Y-direction, vertically upward that right side is X positive direction inwards
For Z-direction, a three-dimensional system of coordinate is established；
S3, horizontal plate is clamped with bracket, to be located in horizontal plate front end side wall and two sides side wall by adjusting horizontal plate
Level meter keeps horizontality；
S4, the second tape measure in the first tape measure or vertical disk in horizontal plate is pulled out；When carrying out level calibration by first
Tape measure level pulls out, and pulls out the second tape measure vertically when being demarcated vertically；According to identified camera in previous experiment with
The distance of target disc substantially determines camera riding position by band tape graduation；
S5, weight line is hung on the screw of horizontal plate arranged on left and right sides respectively, screw is slided into both ends or the target of slideway through-hole
Below the edge of disk；Screw is slided into when carrying out level calibration below the edge of target disc, when being demarcated vertically by spiral shell
Nail slides into slideway through-hole both ends；Horizontal plate is adjusted, so that two weight lines are mutually overlapped when two weight lines from Y direction
It closes；
Whether the regional display to be measured in S6, observation computer by target disc is all put into display window, by move horizontally camera into
Row fine tuning；
S7, after target disc is all put into display window by the regional display to be measured in computer, pass through the first tape measure or
Two tape measures the distance between camera and target disc at this time complete proving operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242751.9A CN109085385B (en) | 2018-10-24 | 2018-10-24 | PIV target disc-based calibration multidirectional adjustment auxiliary disc and testing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811242751.9A CN109085385B (en) | 2018-10-24 | 2018-10-24 | PIV target disc-based calibration multidirectional adjustment auxiliary disc and testing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085385A true CN109085385A (en) | 2018-12-25 |
| CN109085385B CN109085385B (en) | 2023-11-07 |
Family
ID=64843971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811242751.9A Active CN109085385B (en) | 2018-10-24 | 2018-10-24 | PIV target disc-based calibration multidirectional adjustment auxiliary disc and testing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085385B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190006819A (en) * | 1900-04-11 | 1901-03-30 | Moriz Baumer | Improvements in Instruments for Surveying and Plotting without Calculation. |
| JP2008058264A (en) * | 2006-09-04 | 2008-03-13 | Kobe Univ | Device, method and program for observing flow velocity at actual river as object of observation |
| CN101900744A (en) * | 2010-06-23 | 2010-12-01 | 清华大学 | Three-dimensional laser alignment positioner for particle image velocimetry |
| CN101943169A (en) * | 2010-10-27 | 2011-01-12 | 江苏大学 | Centrifugal pump used for three-dimensional particle image velocimetry (PIV) measurement |
| CN102360026A (en) * | 2011-07-07 | 2012-02-22 | 浙江工业大学 | PIV calibration target support adjustment mechanism |
| GB201302672D0 (en) * | 2013-02-15 | 2013-04-03 | Univ Bath | Image velocimetry |
| CN204359669U (en) * | 2015-01-08 | 2015-05-27 | 内蒙古工业大学 | A kind of test unit following the trail of particle and standing structures interphase interaction |
| CN104808012A (en) * | 2015-05-15 | 2015-07-29 | 北京航空航天大学 | Three-dimensional velocity and pressure coupling measurement method and system |
| US9959224B1 (en) * | 2013-12-23 | 2018-05-01 | Google Llc | Device generated interrupts compatible with limited interrupt virtualization hardware |
-
2018
- 2018-10-24 CN CN201811242751.9A patent/CN109085385B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190006819A (en) * | 1900-04-11 | 1901-03-30 | Moriz Baumer | Improvements in Instruments for Surveying and Plotting without Calculation. |
| JP2008058264A (en) * | 2006-09-04 | 2008-03-13 | Kobe Univ | Device, method and program for observing flow velocity at actual river as object of observation |
| CN101900744A (en) * | 2010-06-23 | 2010-12-01 | 清华大学 | Three-dimensional laser alignment positioner for particle image velocimetry |
| CN101943169A (en) * | 2010-10-27 | 2011-01-12 | 江苏大学 | Centrifugal pump used for three-dimensional particle image velocimetry (PIV) measurement |
| CN102360026A (en) * | 2011-07-07 | 2012-02-22 | 浙江工业大学 | PIV calibration target support adjustment mechanism |
| GB201302672D0 (en) * | 2013-02-15 | 2013-04-03 | Univ Bath | Image velocimetry |
| US9959224B1 (en) * | 2013-12-23 | 2018-05-01 | Google Llc | Device generated interrupts compatible with limited interrupt virtualization hardware |
| CN204359669U (en) * | 2015-01-08 | 2015-05-27 | 内蒙古工业大学 | A kind of test unit following the trail of particle and standing structures interphase interaction |
| CN104808012A (en) * | 2015-05-15 | 2015-07-29 | 北京航空航天大学 | Three-dimensional velocity and pressure coupling measurement method and system |
Non-Patent Citations (1)
| Title |
|---|
| 陶智 等: "高位垂直进气转静系旋转盘腔流场的实验", 《航空动力学报》, vol. 22, no. 03, pages 347 - 351 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109085385B (en) | 2023-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106644410B (en) | A kind of camera module optical center location measurement method and system | |
| CN200986436Y (en) | Device for detecting location deviation of visual laser beam | |
| WO2017162201A1 (en) | Inclination measurement system for photographing module and measurement method | |
| CN207439647U (en) | A kind of head-up display display performance combined test stand | |
| CN102539109B (en) | Rotating bracket for wind-tunnel flow-field display test models | |
| CN203554615U (en) | Testing device for viewing angle of camera | |
| CN103954434B (en) | A kind of optical axis calibrator tool, system and method | |
| CN207019636U (en) | Fiber end face angle measurement unit | |
| CN105606129A (en) | Measurement and calibration method for assisting in mounting of airplane inertial navigation finished product assembly | |
| CN107560540A (en) | Sky screen structural parameters dispatch from the factory calibration system and its scaling method | |
| CN204854657U (en) | Mark many optical axises optical system parallelism of optical axes's device | |
| CN102944698B (en) | Sky-screen target light curtain parameter calibrating device and method | |
| CN205449447U (en) | Optical lens divided beams depth of parallelism detection device | |
| CN111457942B (en) | Plane height-fixing calibration device | |
| CN206563570U (en) | Binocular vision guider | |
| CN208953559U (en) | One kind demarcating multi-direction adjusting bracket panel based on PIV target disc | |
| CN205103013U (en) | Mobile detection device of screen optical index | |
| CN208297099U (en) | Angle of view measuring device | |
| CN109104606A (en) | The system and method at rapid survey video camera inclination angle and field angle | |
| CN109085385A (en) | One kind demarcating multi-direction adjusting bracket panel and its test method based on PIV target disc | |
| CN115014204B (en) | Method and system for positioning and measuring geometric center of near-to-eye display device | |
| CN208424632U (en) | Camera 300CM far field test machine | |
| CN206177320U (en) | Full automatic level chi calibrating device based on image recognition | |
| CN207206255U (en) | Glass lens transmission measurement frock clamp | |
| KR20130091390A (en) | Goniometer of planar lightguide circuit |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |