CN111077339B - PIV particle recovery unit - Google Patents
PIV particle recovery unit Download PDFInfo
- Publication number
- CN111077339B CN111077339B CN201911366478.5A CN201911366478A CN111077339B CN 111077339 B CN111077339 B CN 111077339B CN 201911366478 A CN201911366478 A CN 201911366478A CN 111077339 B CN111077339 B CN 111077339B
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- CN
- China
- Prior art keywords
- piv
- water suction
- water
- filter
- suction port
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- 239000002245 particle Substances 0.000 title claims abstract description 89
- 238000011084 recovery Methods 0.000 title claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000005192 partition Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 239000000700 radioactive tracer Substances 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000917 particle-image velocimetry Methods 0.000 description 56
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/18—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
- G01P5/20—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to a PIV particle recovery device, belonging to the technical field of PIV particle recovery; the device comprises a water suction port filter screen, a water suction port, a first laser, a second laser, a camera, a signal processor, a water suction pipe, a PIV particle collecting box, a recovery device shell, a filter, a propeller shaft, a first motor, a second propeller shaft, a propeller hub, a blade, a water outlet filter screen, a water outlet and a filter clapboard; the filter screen of the water suction port is fixed on the water suction port, one end of the water suction pipe is connected with the water suction port, the other end of the water suction pipe is connected with the PIV particle collecting box, the camera is connected with the signal processor, the propeller is connected with the first motor through the propeller shaft, the second motor is connected with the propeller hub through the second propeller shaft, the four blades are fixed on the propeller hub and are adjustable in angle, the PIV particle recovery device can move in six degrees of freedom, and the filter screen of the water outlet is fixed on the water outlet. The invention has simple processing and manufacturing process, low cost and simple and convenient operation, can recover the tracer particles after the PIV test and prevent the tracer particles from polluting water quality.
Description
Technical Field
The invention relates to a PIV particle recovery device, and belongs to the technical field of PIV particle recovery.
Background
With the rapid development of computer technology in recent years, particle image processing is greatly facilitated, so that the Particle Image Velocimetry (PIV) technology can be applied to more fields, and although the Particle Image Velocimetry (PIV) technology provides great help for learning and research, the problems follow are many, such as how to process the particles after the PIV test is finished, if the particles are left alone, the PIV particles pollute water quality and influence the accuracy of other tests. The blades of the omnibearing propeller can be adjusted in angle, so that the PIV particle recovery device can move in six degrees of freedom, and can recover PIV particles at any position in the water pool, thereby ensuring that the water pool is not polluted.
Disclosure of Invention
The invention aims to provide a PIV particle recovery device for solving the problems that PIV tracer particles in a water pool after a PIV experiment cannot be recovered, the water quality is polluted and the accuracy of the later experiment is influenced.
The purpose of the invention is realized as follows: a PIV particle recovery device comprises a water suction port filter screen, a water suction port, a first laser, a second laser, a camera, a signal processor, a water suction pipe, a PIV particle collecting box, a recovery device shell, a filter, a propeller shaft, a first motor, a second propeller shaft, a propeller hub, blades, a water outlet filter screen, a water outlet and a filter partition board; the water suction port filter screen is fixed on the water suction port, one end of the water suction pipe is connected with the water suction port, the other end of the water suction pipe is connected with the PIV particle collecting box, the camera is connected with the signal processor, the propeller is connected with the motor through the propeller shaft, the motor II is connected with the propeller hub through the propeller shaft II, the four blades are fixed on the propeller hub and are adjustable in angle, and the water outlet filter screen is fixed on the water outlet.
The invention also includes such structural features:
1. the diameter of the filter screen at the water suction port is larger than that of the PIV particles to be recovered.
2. The diameter of the filter is less than the diameter of the PIV particles.
Compared with the prior art, the invention has the beneficial effects that: the blades of the omnibearing propeller can adjust the angle, so that the PIV particle recovery device can move in six degrees of freedom, trace particles after a PIV test can be recovered, and the trace particles are prevented from polluting water quality and influencing the accuracy of other tests. Meanwhile, the invention can also be used for recovering other small-scale substances. The invention has simple processing and manufacturing process, low cost and simple and convenient operation.
Drawings
FIG. 1 is a schematic view of a PIV particle recovery apparatus;
FIG. 2 is a front view of a PIV particle recovery apparatus;
FIG. 3 is a side view of a PIV particle recovery apparatus;
FIG. 4 is a top view of a PIV particle recovery apparatus.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings and the detailed description
As shown in the attached figure 1, is a schematic diagram of a PIV particle recovery device, wherein: 1. the device comprises a water suction port filter screen, 2 parts of a water suction port, 3 parts of a first laser, 4 parts of a second laser, 5 parts of a camera, 6 parts of a signal processor, 7 parts of a water suction pipe, 8 parts of a PIV particle collecting box, 9 parts of a recycling device shell, 10 parts of a filter, 11 parts of a propeller, 12 parts of a propeller shaft, 13 parts of a first motor, 14 parts of a second motor, 15 parts of a propeller shaft, 16 parts of a propeller hub, 17 parts of a blade, 18 parts of a water outlet filter screen, 19 parts of a water outlet and 20 parts of a filter clapboard.
A Particle Image Velocimetry (PIV) particle recovery device comprises main components such as a water suction port filter screen 1, a water suction port 2, a first laser 3, a second laser 4, a camera 5, a signal processor 6, a water suction pipe 7, a PIV particle collection box 8, a recovery device shell 9, a filter 10, a propeller 11, a propeller shaft 12, a first motor 13, a second motor 14, a second propeller shaft 15, a propeller hub 16, a propeller blade 17, a water outlet filter screen 18, a water outlet 19, a filter partition plate 20 and the like. The water suction port filter screen 1 is fixed on the water suction port 2, the water suction port 2 sends water to the PIV particle collecting box 8 through the water suction pipe 7, the camera 5 is connected with the signal processor 6, the propeller 11 is connected with the motor I13 through the propeller shaft 12, the motor II 14 is connected with the propeller hub 16 through the propeller shaft II 15, the four blades 17 are fixed on the propeller hub 16 and can be adjusted in angle, so that the PIV particle recovery device can move in six degrees of freedom, and the water outlet filter screen 18 is fixed on the water outlet 19.
The invention irradiates PIV particles through a laser, records the PIV particles by a camera and transmits the PIV particles to a signal processor, and the position of the PIV particles is determined. The motor controls the propeller to enable the PIV particle recovery device to move to a designated position, then the electric water pump sucks water and PIV particles into the particle collecting box from the water suction port, the diameter of the filter screen of the water suction port is slightly larger than that of the PIV particles to be recovered, other impurities with large sizes can be prevented from entering the PIV particle recovery device, the water and the PIV particles are separated in the particle collecting box by the filter, finally the particles are left in the particle collecting box, and the water is discharged from the water outlet. The diameter of the filter is slightly smaller than the diameter of the PIV particles so that the PIV particles can be trapped in the particle collection bin. The blades of the omnibearing propeller can be adjusted in angle, so that the PIV particle recovery device can move in six degrees of freedom and can recover particles at any position in a water pool. The invention can be used for recovering the tracer particles after the PIV test, and prevents the tracer particles from polluting water quality and influencing the accuracy of other tests. The invention can also be used to recover other small scale materials.
In summary, the invention relates to a PIV particle recovery device, which comprises a water suction port filter screen, a water suction port, a first laser, a second laser, a camera, a signal processor, a water suction pipe, a PIV particle collection box, a recovery device shell, a filter, a propeller shaft, a first motor, a second propeller shaft, a propeller hub, a blade, a water outlet filter screen, a water outlet, a filter clapboard and other main components. Since the PIV particles have a high astigmatism, the PIV particles are illuminated by a laser, recorded by a camera and transmitted to a signal processor, where the position of the PIV particles is determined. The electric water pump sucks water and PIV particles into the particle collecting box from the water suction port, the water and the PIV particles are separated in the particle collecting box by using the filter, finally the particles are left in the particle collecting box, the water is discharged from the water outlet, and the diameter of the filter screen at the water suction port is slightly larger than that of the PIV particles to be recovered, so that other impurities with large sizes can be prevented from entering the PIV particle recovery device. The blades of the omnibearing propeller can be adjusted in angle, so that the PIV particle recovery device can move in six degrees of freedom and can recover particles at any position in a water pool. The invention can be used for recovering the tracer particles after the PIV test, and prevents the tracer particles from polluting water quality and influencing the accuracy of other tests. The invention has simple processing and manufacturing process, low cost and simple and convenient operation.
Claims (1)
1. A PIV particle recovery unit which characterized in that: the device comprises a water suction port filter screen (1), a water suction port (2), a first laser (3), a second laser (4), a camera (5), a signal processor (6), a water suction pipe (7), a PIV particle collection box (8), a recovery device shell (9), a filter (10), a propeller (11), a propeller shaft (12), a first motor (13), a second motor (14), a second propeller shaft (15), a propeller hub (16), blades (17), a water outlet filter screen (18), a water outlet (19) and a filter partition board (20); the water suction port (2), the first laser (3), the second laser (4), the camera (5) and the signal processor (6) are all arranged at the top of the recovery device shell (9); the PIV particle collection box (8) is arranged inside the recovery device shell (9); the hub (16), the water outlet (19) are arranged at the bottom of the recovery device shell (9); the filter (10) and the filter partition plate (20) are arranged in the PIV particle collection box (8), and the filter (10) is positioned above the filter partition plate (20); the propeller (11) is arranged between the filter (10) and the filter baffle (20); the water suction port filter screen (1) is fixed on the water suction port (2); one end of the water suction pipe (7) is connected with the water suction port (2), the other end of the water suction pipe is connected with the PIV particle collecting box (8), and the water suction port (2) inputs water into the PIV particle collecting box (8) through the water suction pipe (7); the camera (5) and the signal processor (6) are connected together; the propeller (11) is connected with the first motor (13) through the propeller shaft (12); the second motor (14) and the hub (16) are connected together through a second propeller shaft (15), and four blades (17) are fixed on the hub (16) and are adjustable in angle, so that the PIV particle recovery device can move in six degrees of freedom; the water outlet filter screen (18) is fixed on the water outlet (19); irradiating PIV particles through the first laser (3) and the second laser (4), recording by the camera (5) and transmitting to the signal processor (6), and determining the position of the PIV particles; the diameter of the water suction port filter screen (1) is slightly larger than that of the PIV particles to be recovered, so that other impurities with large sizes are prevented from entering the PIV particle recovery device; the diameter of the filter (10) is slightly smaller than that of the PIV particles, the filter (10) is used for separating water from the PIV particles, finally the particles are left in the PIV particle collecting box (8), and the water is discharged from the water outlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366478.5A CN111077339B (en) | 2019-12-26 | 2019-12-26 | PIV particle recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911366478.5A CN111077339B (en) | 2019-12-26 | 2019-12-26 | PIV particle recovery unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111077339A CN111077339A (en) | 2020-04-28 |
| CN111077339B true CN111077339B (en) | 2022-02-22 |
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ID=70318128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911366478.5A Active CN111077339B (en) | 2019-12-26 | 2019-12-26 | PIV particle recovery unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN111077339B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083138A1 (en) * | 2006-12-28 | 2008-07-10 | Traceguard Technologies Inc. | Method and apparatus for trace collection |
| CN204065126U (en) * | 2014-07-08 | 2014-12-31 | 浙江省水利河口研究院 | A kind of seashore surface velocity particles track measuring system |
| CN207379703U (en) * | 2017-09-29 | 2018-05-18 | 中国空气动力研究与发展中心低速空气动力研究所 | The separation screening device of wind-tunnel trace particle |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5690825A (en) * | 1993-12-21 | 1997-11-25 | Genera Technologies Limited | Filtration method and apparatus |
| DE102007007134A1 (en) * | 2007-02-13 | 2008-08-14 | Meiko Maschinenbau Gmbh & Co.Kg | Filter for cleaning machines |
| CN102435770B (en) * | 2011-09-27 | 2013-03-13 | 北京航空航天大学 | Three-dimensional stereo particle image speed-measuring system for single camera |
| NO20121197A1 (en) * | 2012-10-16 | 2014-04-17 | Sinvent As | Tracer particle for monitoring processes in at least one fluid phase, as well as methods and applications thereof |
| CN209757452U (en) * | 2019-03-12 | 2019-12-10 | 深圳海洋卫士环保科技有限公司 | Marine floater's collection ship |
| CN209798719U (en) * | 2019-04-03 | 2019-12-17 | 普洱市思茅区君山养殖有限公司 | pond floating garbage clearing device is bred to stone frog |
| CN110329463B (en) * | 2019-06-28 | 2021-02-12 | 南京理工大学 | Marine multi-functional little plastic collection device |
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2019
- 2019-12-26 CN CN201911366478.5A patent/CN111077339B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083138A1 (en) * | 2006-12-28 | 2008-07-10 | Traceguard Technologies Inc. | Method and apparatus for trace collection |
| CN204065126U (en) * | 2014-07-08 | 2014-12-31 | 浙江省水利河口研究院 | A kind of seashore surface velocity particles track measuring system |
| CN207379703U (en) * | 2017-09-29 | 2018-05-18 | 中国空气动力研究与发展中心低速空气动力研究所 | The separation screening device of wind-tunnel trace particle |
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| CN111077339A (en) | 2020-04-28 |
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