CN208003780U - The device of mixing air and trace particle is used in a kind of PIV systems - Google Patents
The device of mixing air and trace particle is used in a kind of PIV systems Download PDFInfo
- Publication number
- CN208003780U CN208003780U CN201820274282.8U CN201820274282U CN208003780U CN 208003780 U CN208003780 U CN 208003780U CN 201820274282 U CN201820274282 U CN 201820274282U CN 208003780 U CN208003780 U CN 208003780U
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- China
- Prior art keywords
- air
- flange
- trace particle
- air inlet
- venthole
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- 239000002245 particle Substances 0.000 title claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000000917 particle-image velocimetry Methods 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000700 radioactive tracer Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Abstract
The utility model discloses the devices that mixing air and trace particle are used in a kind of PIV systems, including cylinder, fixing bolt and internal thread, the upper end of the cylinder is fixed with first flange, and the upper end of first flange is provided with sealing ring, the upper end of the connection cover is provided with air inlet, and gas outlet is provided on the right side of air inlet, and the internal thread is set to the lower end inside air inlet, the lower end of the connection bolt is fixed with diversion pipe, and diversion pipe is internally provided with venthole.In annular shape below the device diversion pipe, upper and lower both sides are equipped with intensive venthole, air is from the uniform outlet air of venthole, since the entrance of air makes the pressure of particle mixer tube increase, and the leakproofness of mixer upper flange lid is fabulous, the air inflow of trace particle and air branch will be adjusted to control the aerial concentration of trace particle only from top gas outlet outlet after air and trace particle mixing.
Description
Technical field
The utility model is related to PIV technical fields, for mixing air and trace particle in specially a kind of PIV systems
Device.
Background technology
Important research object and difficulty are asked in phenomena such as turbulent flow, Complex Flows, UNSTEADY FLOW always hydrodynamics
Topic, the PIV velocity measuring techniques (Particle Image Velocimetry) to grow up the 1980s are filled on the basis of FLOW VISUALIZATION
Point utilize the present computer technology, the achievement in research of optical technology and image analysis technology and the newest flowing grown up is surveyed
Trial work section, the physics dynamic that it is flowed in which can not only show flow field, and it is capable of providing the quantitative information of instantaneous whole audience flowing, make
Flow visual research generates the leap from qualitative to quantitative, and the major advantage of PIV is to breach the office of space spot measurement
It is sex-limited, it can be achieved that whole flow field instantaneous measurement, is easy to acquire other physical quantitys in flow field.
Other existing trace particle mixers can also achieve the purpose that adjust trace particle concentration and leakproofness in the market,
But its structure is complex, the problem of cannot meeting the requirement of PIV systems, for this purpose, it is proposed that for mixing in a kind of PIV systems
The device of air and trace particle.
Utility model content
The purpose of this utility model is to provide in a kind of PIV systems be used for mixing air and trace particle device, with
Solving other trace particle mixers existing in the market mentioned above in the background art, also to reach adjustment trace particle dense
The purpose of degree and leakproofness, but its structure is complex, the problem of cannot meeting the requirement of PIV systems.
To achieve the above object, the utility model provides the following technical solutions：In a kind of PIV systems for mixing air and
The upper end of the device of trace particle, including cylinder, fixing bolt and internal thread, the cylinder is fixed with first flange, and first
The upper end of flange is provided with sealing ring, and the upper end of the sealing ring is connected with second flange, and the fixing bolt is through second
The inside of flange, and the upper end of second flange is connected with connection cover, the upper end of the connection cover is provided with air inlet, and air inlet
Right side be provided with gas outlet, the internal thread is set to the lower end inside air inlet, and connection is provided on the outside of internal thread
The lower end of bolt, the connection bolt is fixed with diversion pipe, and diversion pipe is internally provided with venthole, and the one of the air inlet
Side is equipped with the first air valve, and the side of the gas outlet is equipped with the second air valve, and the side of the second air valve is connected with burner,
The side of first air valve is connected with gas cylinder.
Preferably, the first flange constitutes detaching structure by sealing ring and second flange, and fixing bolt through
The inside of first flange and second flange, and fixing bolt constitutes detaching structure with first flange and second flange.
Preferably, the fixing bolt shares 6, and center of circle annular distribution of 6 fixing bolts about connection cover.
Preferably, the air inlet matches with the size of gas outlet, and air inlet and gas outlet are about connection cover
Center line it is mutually symmetrical with.
Preferably, the internal thread with connect bolt constitute helicitic texture, and internal thread with air inlet by being formed by welding
Integral structure.
Preferably, the venthole is circular shape, and venthole is to be fixedly connected, and venthole is inlayed with diversion pipe
In the upper and lower ends of water conservancy diversion pipe outer wall.
Compared with prior art, the utility model has the beneficial effects that：Mixing air and tracer grain are used in the PIV systems
The device air of son can be by device upper surface air intake through water conservancy diversion Tube Drain, and diversion pipe lower section is in annular shape, upper and lower both sides
Equipped with intensive venthole, for air from the uniform outlet air of venthole, the trace particle at mixer cylinder bottom, which is blown afloat, makes it fully spread
Inside mixer tube, since the entrance of air makes the pressure of particle mixer tube increase, and mixer upper flange lid
Leakproofness is fabulous, will be only from top gas outlet outlet, so far after air and trace particle mixing, and the pure air of entrance passes through tracer
Particle mixing arrangement becomes the air of outlet and trace particle gaseous mixture, trace particle are uniformly mixed with air, and tracer is adjusted
The air inflow of particle and air branch controls the aerial concentration of trace particle, can meet PIV velocity-measuring systems through examining
Requirement.
Description of the drawings
Fig. 1 is the utility model trace particle mixer structure schematic diagram；
Fig. 2 is the utility model PIV burner air effluent journey structural schematic diagrams；
Fig. 3 is the utility model trace particle internal mixer draft tube structure schematic diagram.
In figure：1, cylinder, 2, first flange, 3, sealing ring, 4, second flange, 5, fixing bolt, 6, connection cover, 7, into
Gas port, 8, gas outlet, 9, internal thread, 10, connection bolt, 11, diversion pipe, 12, venthole, the 13, second air valve, the 14, first gas
Valve, 15, gas cylinder, 16, burner.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：For mixing air and show in a kind of PIV systems
The device of track particle, including cylinder 1, first flange 2, sealing ring 3, second flange 4, fixing bolt 5, connection cover 6, air inlet 7,
Gas outlet 8, internal thread 9, connection bolt 10, diversion pipe 11, venthole 12, the second air valve 13, the first air valve 14, gas cylinder 15 and combustion
The upper end of burner 16, cylinder 1 is fixed with first flange 2, and the upper end of first flange 2 has been provided with sealing ring 3, sealing ring 3
Upper end is connected with second flange 4, and fixing bolt 5 is through the inside of second flange 4, and the upper end of second flange 4 is connected with
Connect lid 6, first flange 2 constitutes detaching structure by sealing ring 3 and second flange 4, and fixing bolt 5 is through first flange 2
With the inside of second flange 4, and fixing bolt 5 and first flange 2 and second flange 4 constitute detaching structure, make in mixer
The air in portion will not leak, and the upper end of connection cover 6 is provided with air inlet 7, and the right side of air inlet 7 is provided with gas outlet 8, fixed
Bolt 5 shares 6, and center of circle annular distribution of 6 fixing bolts 5 about connection cover 6, is fixed with fixing bolt 5, with more tight
Close property, air inlet 7 match with the size of gas outlet 8, and the center line of air inlet 7 and gas outlet 8 about connection cover 6
Mutually symmetrical with, air inlet 7 and gas outlet 8 can give the disengaging of air to provide channel, facilitate the mixing of air and trace particle, interior
Screw thread 9 is set to the lower end inside air inlet 7, and the outside of internal thread 9 is provided with connection bolt 10, internal thread 9 with connect spiral shell
Bolt 10 constitutes helicitic texture, and internal thread 9 and air inlet 7 facilitate air inlet 7 and diversion pipe by being formed by welding integral structure
The lower end of 11 dismounting and connection, connection bolt 10 is fixed with diversion pipe 11, and diversion pipe 11 is internally provided with venthole 12,
Venthole 12 is circular shape, and venthole 12 is to be fixedly connected, and venthole 12 is embedded in diversion pipe 11 with diversion pipe 11
The upper and lower ends of outer wall, venthole 12 can blow afloat the trace particle inside cylinder 1, it is made to be mixed with air, air inlet 7
Side is equipped with the first air valve 14, and the side of gas outlet 8 is equipped with the second air valve 13, and the side of the second air valve 13 is connected with combustion
The side of burner 16, the first air valve 14 is connected with gas cylinder 15.
Operation principle：For being used for the device of mixing air and trace particle in a kind of this PIV system, first by the first method
Orchid 2 is connect by sealing ring 3 with second flange 4, by fixing bolt 5 in first flange 2, sealing ring 3 and second flange 4
Its position is fixed in portion, and internal thread 9 and connection bolt 10 are connected, air inlet 7 is made to be connect with diversion pipe 11, will be in gas cylinder 15
Gas poured into cylinder 1 from air inlet 7, gas enters diversion pipe 11, is sprayed from venthole 12, and gas and trace particle are mixed
It closes, is discharged, the discharge capacity of mixed gas is adjusted by the second air valve 13, the gas in gas cylinder 15 by 8 gas of gas outlet
Body adjusts discharge capacity by the first air valve 14 and is directly entered in burner 16, to make the discharge capacity of mixed gas by the first air valve
14 and 13 co- controlling of the second air valve, final mixed gas enter in burner 16, complete to be used in entire PIV systems like this
The use process of the device of mixing air and trace particle.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. being used for the device of mixing air and trace particle, including cylinder (1), fixing bolt (5) and interior spiral shell in a kind of PIV systems
Line (9), it is characterised in that：The upper end of the cylinder (1) is fixed with first flange (2), and the upper end of first flange (2) is provided with
There is a sealing ring (3), the upper end of the sealing ring (3) is connected with second flange (4), and the fixing bolt (5) is through the second method
The inside of blue (4), and the upper end of second flange (4) is connected with connection cover (6), the upper end of the connection cover (6) is provided with air inlet
Mouth (7), and gas outlet (8) is provided on the right side of air inlet (7), the internal thread (9) is set under air inlet (7) inside
End, and connection bolt (10) is provided on the outside of internal thread (9), the lower end of the connection bolt (10) is fixed with diversion pipe
(11), and diversion pipe (11) is internally provided with venthole (12), and the side of the air inlet (7) is equipped with the first air valve
(14), the side of the gas outlet (8) is equipped with the second air valve (13), and the side of the second air valve (13) is connected with burner
(16), the side of first air valve (14) is connected with gas cylinder (15).
2. being used for the device of mixing air and trace particle in a kind of PIV systems according to claim 1, feature exists
In：The first flange (2) constitutes detaching structure by sealing ring (3) and second flange (4), and fixing bolt (5) through
The inside of first flange (2) and second flange (4), and fixing bolt (5) is constituted with first flange (2) and second flange (4)
Detaching structure.
3. being used for the device of mixing air and trace particle in a kind of PIV systems according to claim 1, feature exists
In：The fixing bolt (5) shares 6, and center of circle annular distribution of 6 fixing bolts (5) about connection cover (6).
4. being used for the device of mixing air and trace particle in a kind of PIV systems according to claim 1, feature exists
In：The air inlet (7) matches with the size of gas outlet (8), and air inlet (7) and gas outlet (8) are about connection cover
(6) center line is mutually symmetrical with.
5. being used for the device of mixing air and trace particle in a kind of PIV systems according to claim 1, feature exists
In：The internal thread (9) with connect bolt (10) constitute helicitic texture, and internal thread (9) with air inlet (7) by being formed by welding
Integral structure.
6. being used for the device of mixing air and trace particle in a kind of PIV systems according to claim 1, feature exists
In：The venthole (12) is circular shape, and venthole (12) is fixedly connected with diversion pipe (11), and venthole (12)
It is embedded in the upper and lower ends of diversion pipe (11) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274282.8U CN208003780U (en) | 2018-02-26 | 2018-02-26 | The device of mixing air and trace particle is used in a kind of PIV systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820274282.8U CN208003780U (en) | 2018-02-26 | 2018-02-26 | The device of mixing air and trace particle is used in a kind of PIV systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208003780U true CN208003780U (en) | 2018-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820274282.8U Expired - Fee Related CN208003780U (en) | 2018-02-26 | 2018-02-26 | The device of mixing air and trace particle is used in a kind of PIV systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208003780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580451A (en) * | 2018-11-14 | 2019-04-05 | 浙江海洋大学 | A kind of bump stress monitoring method using fluorescent tracer |
| CN113600073A (en) * | 2021-08-02 | 2021-11-05 | 中国科学院工程热物理研究所 | Solid state tracing particle generator |
-
2018
- 2018-02-26 CN CN201820274282.8U patent/CN208003780U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580451A (en) * | 2018-11-14 | 2019-04-05 | 浙江海洋大学 | A kind of bump stress monitoring method using fluorescent tracer |
| CN109580451B (en) * | 2018-11-14 | 2022-01-11 | 浙江海洋大学 | Rock burst stress monitoring method adopting fluorescent tracer |
| CN113600073A (en) * | 2021-08-02 | 2021-11-05 | 中国科学院工程热物理研究所 | Solid state tracing particle generator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20200226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |