CN207163920U - A kind of visualized experiment platform for two phase flow oscillation experiment - Google Patents
A kind of visualized experiment platform for two phase flow oscillation experiment Download PDFInfo
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- CN207163920U CN207163920U CN201721068868.0U CN201721068868U CN207163920U CN 207163920 U CN207163920 U CN 207163920U CN 201721068868 U CN201721068868 U CN 201721068868U CN 207163920 U CN207163920 U CN 207163920U
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Abstract
The utility model discloses a kind of visualized experiment platform for two phase flow oscillation experiment, including for closing gas, the experimental piece of liquid two-phase medium, experimental piece, which is located in drive mechanism, to be pumped with drive mechanism, it is the upper of metal material that testpieces, which includes, the sidewall paneling of lower wall panels and transparent material, the upper surface of wainscot is fixed with heating component, temperature acquisition mechanism detects to the upper lower wall panels temperature and internal temperature of testpieces, image collection mechanism carries out image collection to testpieces, and can be by temperature and graphical information transmission storage, controller, its signal input part is connected with temperature collecting device, control output end is connected with heating component and driver.The experiment porch has the experimental piece of heating function, and there is image collection mechanism and temperature acquisition mechanism, carry out visual inspection in two phase flow Oscillation Flows process, and its oscillating heat transfer effect is measured simultaneously, and experimental result is recorded, to meet the needs of to different experiments.
Description
Technical field
Two phase flow oscillation experiment field is the utility model is related to, more particularly to it is a kind of for the visual of two phase flow oscillation experiment
Change experiment porch.
Background technology
Rocking platform in existing laboratory, tested for constant temperature oscillation, and for air-liquid two-phase in experimentation
Change can not carry out visual observation.So result in hindered to the experimental study of biphase oscillation, can not complete becoming
Germicidal efficacy under warm environment.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of visualized experiment for two phase flow oscillation experiment
Platform, visual inspection and record can be carried out in two phase flow Oscillation Flows process, and its oscillating heat transfer effect is carried out simultaneously
Measurement and record.
In order to solve the above technical problems, technical solution adopted in the utility model is：
A kind of visualized experiment platform for two phase flow oscillation experiment, it is characterised in that：Including experimental piece, platform branch
Frame, drive mechanism, controller, temperature acquisition mechanism, image collection mechanism and data storage device；Platform support, including four
Angle support underframe, the horizontal supporting plate at the top of the support underframe of corner and the vertical installing plate in supporting plate；Driving
Mechanism, including vertical guide rail on installing plate, the slide plate that coordinates with guide rail and be fixed in supporting plate and be used to drive cunning
Plate reciprocating driver on guide rail, the experimental piece are located on slide plate, and slide plate is provided with and can fix experimental piece
Clamp assemblies；Experimental piece, for closing air-liquid two-phase medium, including it is metal material in the cube structure of inner hollow
The wainscot and lower wall panels of matter and enclose for transparent material and with wainscot and lower wall panels and form cubical sidewall paneling, it is described on
The upper surface fitting of wallboard is fixed with the heating component heated to it；Temperature acquisition mechanism, including multiple uniform embedded wainscots
With the first thermocouple in lower wall panels, and the second thermocouple located at lower wall panels upper surface, first thermocouple and second
Thermocouple is electrically connected with temperature collecting device；Image collection mechanism, including experimental piece is recorded a video on front side of installing plate
Video camera；Data storage device, its signal input part are connected with temperature collecting device and video camera；Controller, its signal are defeated
Enter end and be connected with temperature collecting device, control output end is connected with heating component and driver.
Further technical scheme is：The heating component includes being bonded the heating of fixation with the upper surface of wainscot
Plate, described its thickness direction of heating plate interior edge are embedded with electrically heated rod, the control output of the electrically heated rod electrical connection controller
End.
Further technical scheme is：The image collection mechanism also includes the lighting device to experimental piece irradiation.
Further technical scheme is：The clamp assemblies include the fixed plate fixed with slide plate left and right ends, described
Fixed plate is provided with threaded perforations, and matched adjusting screw rod is equipped with the threaded perforations, the adjusting screw rod it is interior
Side one end is provided with pressure strip, and the pressure strip coordinates with slide plate slides, two pieces of pressure strips can with adjusting screw rod on slide plate phase
To moving extrusion experiment part.
Further technical scheme is：The wainscot and the relative side of lower wall panels are equipped with and experimental piece inner chamber is horizontal
Section identical boss, the sidewall paneling are fixed with boss marginal adhesion.
Further technical scheme is：The control output end of the controller is also associated with alarm.
Further technical scheme is：The corner support underframe is fixedly arranged in the middle of storage casing.
Further technical scheme is：The driver is voice coil motor.
Further technical scheme is：Has thermal insulation coat in the surface of the wainscot and lower wall panels.
Further technical scheme is：Transparent protective cover, the protective cover and peace are also covered with front side of the installing plate
Loading board and supporting plate, which are enclosed, forms a rectangular cavities structure.
It is using beneficial effect caused by above-mentioned technical proposal：
The utility model has image collection mechanism and temperature acquisition by setting the experimental piece with heating function
Mechanism, visual inspection can be carried out in two phase flow Oscillation Flows process, at the same time its oscillating heat transfer effect is measured,
And storage record is carried out to experiment information, so as to experimental analysis, so as to meet the needs of to different experiments.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of experimental piece described in the utility model；
Fig. 3 is theory structure schematic diagram of the present utility model.
Embodiment
With reference to the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is part of the embodiment of the present utility model, rather than whole implementation
Example.Based on the only embodiment in the utility model, those skilled in the art are obtained under the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be different from other manner described here using other to be implemented, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case of new intension, therefore the utility model is not limited by following public specific embodiment.
As shown in FIG. 1 to 3, a kind of visualized experiment platform for two phase flow oscillation experiment, including it is experimental piece 30, flat
Platform support, drive mechanism, controller 2, temperature acquisition mechanism, image collection mechanism and data storage device 1.
Platform support, the hardware support on basis is built for whole experiment porch, including corner support underframe 11, level are set
Supporting plate 14 and the vertical installing plate 12 in supporting plate 14 in the top of corner support underframe 11, wherein supporting plate 14 can
Using marble platform.
Drive mechanism, including vertical guide rail 22 on installing plate 12, the slide plate 23 that coordinates with guide rail 22 and fixed
In, for driving the reciprocating driver 21 on guide rail 22 of slide plate 23, the experimental piece 30 is located at slide plate 23 in supporting plate 14
On, and slide plate 23 is provided with the clamp assemblies that can fix experimental piece 30, its middle guide 22 includes two to be arranged in parallel,
Experimental piece 30 is set to be run under the driving of driver 21 more steady.Experimental piece 30, in the cube structure of inner hollow, it is used for
Air-liquid two-phase medium is closed, including is the wainscot 31 and lower wall panels 32 and be transparent material and and upper wall of metal material
Plate 31 and lower wall panels 32, which are enclosed, forms cubical sidewall paneling 33, and the upper surface fitting of the wainscot 31 is fixed with what it was heated
Heating component 40；
The first thermocouple 52 in temperature acquisition mechanism, including multiple uniform embedded wainscots 31 and lower wall panels 32, and
The second thermocouple 51 located at the upper surface of lower wall panels 32, the thermocouple 51 of the first thermocouple 52 and second are electrically connected with temperature
Spend harvester 50；
Image collection mechanism, experimental piece 30 is recorded a video for recording flow field structure, including located at the front side of installing plate 12
Video camera 61；
Data storage device 1, for storage image and temperature data, its signal input part is connected with temperature collecting device 50
With video camera 61；Controller 2, the part energization running of control apparatus person or power operation, its signal input part are connected with temperature and adopted
Acquisition means 50, control output end are connected with heating component 40 and driver 21.
This experiment porch be used for two phase flow vibration visible observation experiment when, first by clamp assemblies by experimental piece 30 with
The fixation of slide plate 23, the then control of the controller 2 energization work of driver 21, under the driving of driver 21, slide plate 23 drives
Experimental piece 30 moves back and forth at a high speed along guide rail 22, and in the process, controller 2 controls heating component 40 to work to experimental piece 30
Wainscot 31 heats, and in the presence of platform reciprocating vibration, the biphase gas and liquid flow being enclosed in the cavity of experimental piece 30 proceeds by
Vibration, reciprocating impact is carried out to upper and lower wallboard, heat is delivered in lower wall panels 32 from wainscot 31 therewith.In the process
One thermocouple 52 is monitored in real time to the temperature of wainscot 31 and lower wall panels 32 respectively, and the second thermocouple 51 is to the chamber of experimental piece 30
Internal fluid carries out real time temperature detection, and the data detected are gathered by temperature collecting device 50, and then temperature acquisition fills
Put 50 and transfer data to data storage device 1 and store, to meet to measure the heat-transfer effect of two phase flow vibration.It is same in this
When, in experimentation, video camera 61 is shot to experimental piece 30 all the time, then by the image transmission of shooting to data storage
Device 1, so that later experiments are analyzed, so as to meet the needs of carrying out visual inspection to two phase flow Oscillation Flows process.
And in experimentation, Temperature numerical is also transferred to controller 2 and is controlled analysis by temperature collecting device 50,
When the temperature value that the first thermocouple 52 or the second thermocouple 51 detect is higher than the set temperature value in controller 2, controller 2
The control power-off of heating component 40 stops heating experimental piece 30, avoids accident.Wherein controller 2 is based on PLC programmings
Programmable logic controller (PLC).
Wherein, wainscot 31, lower wall panels 32 and heating plate 41 are aluminum alloy material, and the sidewall paneling 33 is heat conductivility
Poor lucite material.
Also, in order to ensure the definition of picture, video camera 61 can use FASTCAM SA4 model 500k- purchased in market
C2 type colours high-speed camera carries out visual inspection, and is equipped with SIGMA 105mm F2.8 camera lenses, and the video camera of the model can
To ensure to meet the photographing request of most 3600 frames under 1024 × 1024 maximum pixel, it is contemplated that high-speed motion picture camera is limited
Memory capacity and image-capturing resolution requirement, the shooting condition that the experiment porch uses is 2000 frames for frequency acquisition, pixel
For 1024 × 1024.
This cabinet with working top is using thermocouple as sensor, and thermometric is reliable, and precision is higher, error can control ± 1 DEG C with
It is interior, because the response time is short, it can be used for measuring the temperature change of heated movement parts completely.In an experiment, aluminium alloy test specimen
Heating-up temperature is set as 200 DEG C, therefore the temperature-measuring range of system will match with experimental program.The temperature-measuring range of K-type thermocouple
It is 0 DEG C~1300 DEG C, there is the advantages that measurement accuracy is high, and the linearity of thermoelectrical potential is preferable, easy to make, cheap, therefore
Finally for selected K-type nickel chromium-nickel silicon thermocouple as temperature sensor, measurement accuracy is 0.1 DEG C.
Demarcation is sampled to self-control K-type nickel chromium-nickel silicon thermocouple, it is preferable to make the resistance to overturning of thermocouple by oneself, linearly
Degree is higher, smaller with the error of standard phasing meter, maximum relative error 1.3%, meets requirement of experiment.
Due to experiment, measure is all steady state data, therefore the heat flow density of heating surface is directly according to Fourier heat conduction law
It is calculated.Thermo-electric couple temperature data is carried out using the passage K type thermocouples data collecting instrument of IRGT-1601 types 16 purchased in market
Collection, the data collecting system can gather 16 groups of temperature datas simultaneously, complete data mark using DEWE temperature acquisition systems
Fixed, its temperature data acquisition frequency is 10Hz.Wherein the first thermocouple 52 is equipped with six on upper and lower wallboard.
In the prior art can be many to the mode that metal is heated, there are electrical heating, flame heating, laser heating, electricity
Magnetic heating etc..To be fixed on the clamp assembly of oscillation experiment platform in view of experimental piece 30 and move together therewith, but also
Temperature collecting device 50 to be installed on the surface of heating component 40, therefore it is required that heating component 40 can also start shipment with experimental piece 30 1
It is dynamic, and firing rate is fast, efficiency high.In summary factor, while can repeat to be replaced, using electrically heated mode come
Heated to experimental piece.Specific heating component 40 includes the heating plate 41 that fixation is bonded with the upper surface of wainscot 31, adds
Hot plate 41 equally uses aluminum alloy material, identical with the size of wainscot 31, and passes through the bolt located at corner with wainscot 31
Component 3 is fixed, and its thickness direction of the interior edge of heating plate 41 is embedded with electrically heated rod 42, the electrical connection of electrically heated rod 42 control
The control output end of device 2.Also, the control output end of controller 2 is also associated with alarm 70, when the temperature that controller 2 receives
When degree harvester 50 passes to its temperature value and be higher than setting value, heating arrangement 40 can not only be controlled to stop heating, gone back
Alarm 70 can be controlled to alarm, experimenter's checkout facility utensil is reminded, avoid fortuitous event.
Also, in order to ensure the definition of filmed image, image collection mechanism also includes lighting device 62, it is preferred to use tool
There is the dysprosium lamp of specular removal and high-color rendering to irradiate experimental piece 30.
Clamp assemblies include the fixed plate 24 fixed with the left and right ends of slide plate 23, and the fixed plate 24 is worn provided with screw thread
Hole, and matched adjusting screw rod 26 is equipped with the threaded perforations, the inner opposite end of the adjusting screw rod 26, which is provided with, to be compressed
Plate 25, the pressure strip 25 are slidably matched with slide plate 23, two pieces of pressure strips 25 can with adjusting screw rod 26 on slide plate 23 it is relative
Move extrusion experiment part 30.The outside of adjusting screw rod 26 is provided with rotary handle, and fixed plate 24 is stretched into by adjusting adjusting screw rod 26
The length of inner side, to control the spacing between two pressure strips 25, change the clamping dynamics to experimental piece 30.And clamp assemblies
Gripping range it is adjustable, gripping range is easy to the use of various sizes of experimental piece 30 between 30mm-80mm.
Wainscot 31 and the relative side of lower wall panels 32 are equipped with and the lumenal cross-section identical boss 34 of experimental piece 30, institute
Sidewall paneling 33 is stated to fix with the marginal adhesion of boss 34.The size of preferable boss 34 is 40mm × 15mm × 2mm, then experimental piece 30
Maximum visual area be 40mm × 30mm.The setting of boss 34 is easy to the installation of sidewall paneling 33 to fix, specific sidewall paneling 33
Adhesion can be carried out using modified acroleic acid fat adhesive between boss 34, reach maximum intensity after standing 24 hours, ensure
The sealing property of rectangular cavity.
Corner support underframe 11 is fixedly arranged in the middle of storage casing 15.Wherein supporting plate 14 can use marble platform, receive
The grade component of controller 2 can be held in casing 15 by receiving, and to reduce the volume of experiment porch, save space hold.And corner branch
Support chassis 11 is equipped with burr adjustable tail margin bolt, facilitates the adjustment of whole platform.
And driver 21 is preferably voice coil motor.Voice coil motor can also be moving coil actuator, be a kind of special
The direct-driving motor of form, electric energy can be directly translated into linear motion mechanical energy without any intermediate conversion mechanism.
Its general principle is that a coiling group is put into even air gap magnetic field, produces field of magnetic forece to coil electricity, electromagnetic force can drive
Straight reciprocating motion is made in load, changes the power and polarity of electric current, so that it may change the size and Orientation of electromagnetic force.It has Gao Xiang
Should, high speed, high acceleration, simple in construction, small volume, force characteristic good, easy to control the advantages that, disclosure satisfy that requirement of experiment.
Specifically, voice coil motor actuator selects LCA-100-35F types, driver selects LCC-10 types, and encoder resolution is 5 μm,
Pay(useful) load 2kg, peak value thrust are 90N.Spring assembly with balancing gravity, without additional weight.Move along a straight line range
For 70mm, frequency 10Hz, stroke, frequency-adjustable are required in experimentation.
When producing oscillating movement due to heating test piece, metal part can produce radiation heat transfer with ambient air, in order to
Ensure that heat will not be lost in air as far as possible, need to be in experimental piece metal surface part daub, so in the He of wainscot 31
Has thermal insulation coat in the surface of lower wall panels 32.Specifically select 1000 DEG C of thermostable heat-isolating coatings of ZS-1 types, the coating
Using newest nano ceramics technology, heat-insulation and heat-preservation efficiency is up to more than 90%.Because the coating is inorganic coating, applied
Before smearing metalwork surface, one layer of ZS-1011 metal transfer coating need to be first smeared in metal surface.Transition coating can make inorganic
Coating preferably adheres on organic surfaces, greatly strengthen the adhesive force of inorganic coating.
The front side of installing plate 12 is also covered with transparent protective cover 13, and the protective cover 13 encloses with installing plate 12 and supporting plate 14
Form a rectangular cavities structure.Protective cover 13, the safety of experimenter can be ensured, prevent unexpected generation, whole device can
Dynamic part is protected using plexiglass tent.
It the above is only preferred embodiment of the present utility model, anyone is according to content of the present utility model to the utility model
A little simple modification, deformation and the equivalent substitution made each falls within the scope of protection of the utility model.
Claims (10)
- A kind of 1. visualized experiment platform for two phase flow oscillation experiment, it is characterised in that：Including experimental piece (30), platform branch Frame, drive mechanism, controller (2), temperature acquisition mechanism, image collection mechanism and data storage device (1)；Platform support, including corner support underframe (11), the horizontal supporting plate (14) at the top of corner support underframe (11) with And the installing plate (12) being located at vertically in supporting plate (14)；Drive mechanism, including vertical guide rail (22) on installing plate (12), the slide plate (23) that coordinates with guide rail (22) and It is fixed in supporting plate (14) and is used to drive slide plate (23) reciprocating driver (21), experimental piece on guide rail (22) (30) on slide plate (23), and slide plate (23) is provided with the clamp assemblies that can fix experimental piece (30)；Experimental piece (30), for closing air-liquid two-phase medium, including it is metal material in the cube structure of inner hollow Wainscot (31) and lower wall panels (32) and transparent material and to enclose composition cube with wainscot (31) and lower wall panels (32) Sidewall paneling (33), the upper surface fitting of the wainscot (31) is fixed with the heating component (40) that is heated to it；The first thermocouple (52) in temperature acquisition mechanism, including multiple uniform embedded wainscots (31) and lower wall panels (32), with And the second thermocouple (51) located at lower wall panels (32) upper surface, first thermocouple (52) and the second thermocouple (51) electricity It is connected with temperature collecting device (50)；Image collection mechanism, including the video camera (61) recorded a video on front side of installing plate (12) to experimental piece (30)；Data storage device (1), its signal input part are connected with temperature collecting device (50) and video camera (61)；Controller (2), its signal input part are connected with temperature collecting device (50), and control output end is connected with heating component (40) With driver (21).
- A kind of 2. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute State the heating plate (41) that heating component (40) includes being bonded fixation with the upper surface of wainscot (31), heating plate (41) interior edge Its thickness direction is embedded with electrically heated rod (42), the control output end of electrically heated rod (42) the electrical connection controller (2).
- A kind of 3. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute State the lighting device (62) that image collection mechanism also includes irradiating experimental piece (30).
- A kind of 4. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute The fixed plate (24) that clamp assemblies include fixing with slide plate (23) left and right ends is stated, the fixed plate (24) is worn provided with screw thread Hole, and matched adjusting screw rod (26) is equipped with the threaded perforations, the inner opposite end of the adjusting screw rod (26) is provided with Pressure strip (25), the pressure strip (25) are slidably matched with slide plate (23), and two pieces of pressure strips (25) can be with adjusting screw rod (26) The relative motion extrusion experiment part (30) on slide plate (23).
- A kind of 5. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute State wainscot (31) and the relative side of lower wall panels (32) be equipped with experimental piece (30) lumenal cross-section identical boss (34), The sidewall paneling (33) is fixed with boss (34) marginal adhesion.
- A kind of 6. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute The control output end for stating controller (2) is also associated with alarm (70).
- A kind of 7. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute That states corner support underframe (11) is fixedly arranged in the middle of storage casing (15).
- A kind of 8. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute It is voice coil motor to state driver (21).
- A kind of 9. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that：Institute Has thermal insulation coat in the surface for stating wainscot (31) and lower wall panels (32).
- A kind of 10. visualized experiment platform for two phase flow oscillation experiment according to claim 1, it is characterised in that： Transparent protective cover (13), the protective cover (13) and installing plate (12) and supporting plate are also covered with front side of the installing plate (12) (14) enclose and form a rectangular cavities structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068868.0U CN207163920U (en) | 2017-08-24 | 2017-08-24 | A kind of visualized experiment platform for two phase flow oscillation experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721068868.0U CN207163920U (en) | 2017-08-24 | 2017-08-24 | A kind of visualized experiment platform for two phase flow oscillation experiment |
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| Publication Number | Publication Date |
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| CN207163920U true CN207163920U (en) | 2018-03-30 |
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| CN201721068868.0U Expired - Fee Related CN207163920U (en) | 2017-08-24 | 2017-08-24 | A kind of visualized experiment platform for two phase flow oscillation experiment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506881A (en) * | 2018-10-11 | 2019-03-22 | 天津大学 | A kind of channel flow field simulation experiment method |
| CN109520701A (en) * | 2018-10-11 | 2019-03-26 | 天津大学 | A kind of channel flow field simulator |
| CN110135526A (en) * | 2019-06-12 | 2019-08-16 | 昆明理工大学 | A kind of bottom blowing stirring reactor and reactant concentration and distribution measurement method based on ECT measurement |
| CN110274931A (en) * | 2019-07-03 | 2019-09-24 | 河北科技大学 | A kind of two phase flow oscillation experiment device and experimental method |
| CN113295730A (en) * | 2021-05-25 | 2021-08-24 | 中国核动力研究设计院 | Fine surface single-phase and two-phase convective heat and mass transfer experimental device and preparation method thereof |
-
2017
- 2017-08-24 CN CN201721068868.0U patent/CN207163920U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506881A (en) * | 2018-10-11 | 2019-03-22 | 天津大学 | A kind of channel flow field simulation experiment method |
| CN109520701A (en) * | 2018-10-11 | 2019-03-26 | 天津大学 | A kind of channel flow field simulator |
| CN110135526A (en) * | 2019-06-12 | 2019-08-16 | 昆明理工大学 | A kind of bottom blowing stirring reactor and reactant concentration and distribution measurement method based on ECT measurement |
| CN110135526B (en) * | 2019-06-12 | 2021-09-24 | 昆明理工大学 | Bottom-blowing stirring reactor based on ECT measurement and reactant concentration and distribution measurement method |
| CN110274931A (en) * | 2019-07-03 | 2019-09-24 | 河北科技大学 | A kind of two phase flow oscillation experiment device and experimental method |
| CN110274931B (en) * | 2019-07-03 | 2024-02-27 | 河北科技大学 | Two-phase flow oscillation experimental device and experimental method |
| CN113295730A (en) * | 2021-05-25 | 2021-08-24 | 中国核动力研究设计院 | Fine surface single-phase and two-phase convective heat and mass transfer experimental device and preparation method thereof |
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Granted publication date: 20180330 Termination date: 20190824 |