CN2624207Y - Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering - Google Patents
Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering Download PDFInfo
- Publication number
- CN2624207Y CN2624207Y CN 03232664 CN03232664U CN2624207Y CN 2624207 Y CN2624207 Y CN 2624207Y CN 03232664 CN03232664 CN 03232664 CN 03232664 U CN03232664 U CN 03232664U CN 2624207 Y CN2624207 Y CN 2624207Y
- Authority
- CN
- China
- Prior art keywords
- mould
- time observation
- slit
- temperature
- plunger rod
- 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.)
- Expired - Lifetime
Links
- 238000002356 laser light scattering Methods 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 239000011229 interlayer Substances 0.000 claims description 7
- 238000001374 small-angle light scattering Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 229920002521 macromolecule Polymers 0.000 abstract 1
- 239000000523 sample Substances 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 239000000155 melt Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010094 polymer processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a real time observation device for small angle laser scattering of slit flow ultrasonic vibration field, which comprises a mould whose external surface is provided with a heating loop, lower part is provided with a slit flow passage and upper part is provided with a material storage chamber. External lateral surface of the material storage chamber is provided with a temperature sensor, and a plunger rod in the chamber is provided with a displacement sensor; the upper and lower parts of the plunger rod which are vertical to the long margin of the slit flow passage are connected respectively with an ultrasonic generating device and a laser; an opto electrical probe is connected with an amplifier, and the heating loop and the temperature sensor are connected with the temperature controlling system; the amplifier, the temperature controlling system and the displacement sensor are connected respectively with the microprocessing system. Compared with the single outfield, the combination of a plurality of outfields produces an effect of cofield, which can accelerate the relaxation course of the macromolecule materials, in other wards, the utility model is beneficial for the stability of the material structure and performance. Based on the simulation panel flow mould, the utility model realizes a real time observation of the structure of the polymer, and sets up a relationship between the condensed state structure of the polymer and the outfield.
Description
Technical field
The utility model relates to by means of the chemistry of measuring material or physical property is tested or the system of analysis of material, relates in particular to a kind of slit stream ultrasonic vibration field low angle laser light scattering real-time observation device.
Background technology
At this a kind of emerging forming polymer job operation of Melt Vibrating Molding Technology, Chinese scholars has been carried out a large amount of intensive research work, and has obtained many pleasurable achievements in recent years.In order to study the influence of oscillator field to polymer morphology, some patented technologies are added in low-frequency mechanical vibrations on the depression bar as the vibration capillary rheometer, pass to melt by depression bar, study the influence of vibration to the melt rheological property energy.This class patent can reflect the relation of vibration and melt viscosity, but can not reflect the influence of vibration to the melt morphosis.And there is decay in the vibration that is added in the depression bar direction in this class patent, and the long more decay of depression bar is serious more, and quality of fit is high more between depression bar and barrel wall, and loss is also big more.As carrying out other sign to the melt of extruding, need sample preparation again in addition, this makes the thermal history of melt change, and causes measured result not have authenticity and real-time.
Summary of the invention
The purpose of this utility model is to provide a kind of slit stream ultrasonic vibration field low angle laser light scattering real-time observation device, on slit stream extrusion device basis, add the ultrasonic vibration field, and link to each other with the low angle laser light scattering device, realize the Real Time Observation of macromolecular material structural change under the vibration condition.
In order to achieve the above object, the technical solution adopted in the utility model is as follows:
It comprises: be around with the heater coil bottom and have slit conduit, top has the mould of dress material cavity volume, mould is by left mould, interlayer and right mould assemble, the thickness of interlayer and the consistency of thickness of slit conduit, cavity volume bottom outside face is equipped with temperature sensor, in the dress material cavity volume plunger rod is housed, the pressurizing control system that is equipped with displacement transducer is equipped with in the plunger rod top, with the long limit of mould slit conduit perpendicular on, following position, ultrasonic generator and laser instrument are housed respectively, laser instrument is corresponding with photodetector, photodetector connects amplifier, heater coil and temperature sensor connect temperature-controlling system, amplifier, temperature-controlling system, displacement transducer is connected with microprocessor system respectively.
Utilize ultrasound wave to realize the dither of polymer melt, consider that simultaneously existing research about oscillator field focuses mostly in round runner situation, so the utility model adopts slit conduit to simulate dull and stereotyped flow model in the hope of exploring a kind of new field of force mode and making every effort to realize and the similar macromolecular material forming processing technology of slit stream.For variation effective, the Real Time Observation polymer morphology, the low angle laser light scattering device of ultrasonic vibration slit extrusion device with the advanced person is connected, by measuring intensity variations, reflect the variation of polymer architecture.
The utility model is compared with background technology, the useful effect that has is: it is compared with single outfield, the combination results in multiple outfield (temperature field, the field of force, ultrasonic wave field etc.) is worked in coordination with field effect, can effectively quicken the macromolecular material STRUCTURAL RELAXATION, promptly help material structure and performance and reach stable.On the basis of the dull and stereotyped flow model of simulation, realized the Real Time Observation of polymer morphology structure, set up the relation between polymkeric substance condensed state structure and the outfield.Simultaneously, the dither field is that the useful of the research contents in macromolecular condensed state physics and related discipline field replenished, and has enriched the Polymer Processing theory, and has established theoretical foundation for the formation of new method for processing forming.
Description of drawings
Fig. 1 is a structural principle synoptic diagram of the present utility model;
Fig. 2 is the vertical view of the utility model Fig. 1.
Embodiment
As Fig. 1, shown in Figure 2, it comprises: be around with the heater coil bottom and have slit conduit 3, top has the mould 6 of dress material cavity volume 2, mould 6 is by left mould 7, interlayer 8 and right mould 9 assemble, the consistency of thickness of the thickness of interlayer 8 and slit conduit 3, cavity volume 2 bottom outside faces are equipped with temperature sensor 5, in the dress material cavity volume 2 plunger rod 1 is housed, the pressurizing control system A that is equipped with displacement transducer 4 is equipped with in plunger rod 1 top, with the long limits of mould 6 slit conduits 3 perpendicular on, following position, ultrasonic generator B and laser instrument C are housed respectively, laser instrument C is corresponding with photodetector D, photodetector D meets amplifier E, heater coil and temperature sensor meet temperature-controlling system F, amplifier E, temperature-controlling system F, displacement transducer 4 is connected with microprocessor system G respectively.
The course of work of the present utility model is as follows:
A is a pressurizing control system, is connected with plunger rod 1, when pressurization, plunger rod 1 moves down, its decline displacement can to measure .F be temperature control system by being connected displacement transducer 4 on the pressurizing control system A, is connected with temperature sensor 5, can heat up, the control of cooling or constant temperature.B is a ultrasonic generator, is made up of ultrasonic generator and luffing bar, closely is connected by screw between luffing bar and mould.C is a laser instrument, and its emitted laser is radiated on the polymer melt through quartzy form, is received by photodetector D through the scattered light of polymer melt, and signal sends microprocessor system G to and carries out data analysis after amplifier E amplifies.The displacement signal measured of the temperature signal measured of temperature control system F and displacement transducer 4 all sends microprocessor system G to and analyzes in addition.
Wherein pressurizing control system A adopts the lever pressurization, slit conduit is to be assembled by three parts, vertical view as shown in Figure 2, just the characteristics of this assembling if with intermediate course with the alternative scattering experiment that just can carry out the different-thickness sample of the interlayer of other thickness, can assemble owing to mould in addition, therefore also the batten of available compression molding experimentizes, even can carry out the experiment of film.The ultrasonic generator frequency is 20KHz, and power is that 100W is adjustable, also can change the ultrasonic generator of different frequency and power as required.Temperature control system F mainly is made up of intelligent temperature control instrument and temperature sensor and high power heater coil, measures temperature value and can send the microcomputer recording processing to.The laser that laser instrument C produces impinges upon on the sample by quartzy form, when the sample phase morphology changes, the scattered light light intensity can change, this variation can be received by photodetector D, after amplifier E amplifies, send microprocessor system G to and handle, therefore can realize the Real Time Observation of sample form.The displacement signal of displacement transducer reception also can send microprocessor system G in addition, may obtain to vibrate the influence to melt flow, thereby obtains the information about viscosity.
During experiment, by temperature control system F design temperature program, plunger rod 1 is taken out after arriving assigned temperature, put into material, again plunger rod 1 is put back to, leave standstill a few minutes to treat the material fusion according to requirement of experiment.Open laser instrument C, regulate light path.Open microprocessor system G.With the fused materials compacting, pressurizing control system A is connected with plunger rod 1 earlier, the pressure size is controlled by pressurizing control system A again.Pressurization back material is extruded by slit conduit 3, changes evenly as the material diffuse light is strong, and changing then as the material phase, the scattered light light intensity changes.Displacement, temperature and light intensity value over time can be by microprocessor system G recording processing.In observing the experiment of ultrasound wave, can set at experimental arrangement and open ultrasonic generator constantly the influence of melt form.This experiment can also compare experiment with blank assay.
Claims (1)
1. a slit flows ultrasonic vibration field low angle laser light scattering real-time observation device, it is characterized in that it comprises: be around with the heater coil bottom and have slit conduit (3), top has the mould (6) of dress material cavity volume (2), mould (6) is by left mould (7), interlayer (8) and right mould (9) assemble, the consistency of thickness of the thickness of interlayer (8) and slit conduit (3), cavity volume (2) bottom outside face is equipped with temperature sensor (5), in the dress material cavity volume (2) plunger rod (1) is housed, the pressurizing control system (A) that is equipped with displacement transducer (4) is equipped with in plunger rod (1) top, with the long limit of mould (6) slit conduit (3) perpendicular on, following position, ultrasonic generator (B) and laser instrument (C) are housed respectively, laser instrument (C) is corresponding with photodetector (D), photodetector (D) connects amplifier (E), heater coil and temperature sensor (5) connect temperature-controlling system (F), amplifier (E), temperature-controlling system (F), displacement transducer (4) is connected with microprocessor system (G) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232664 CN2624207Y (en) | 2003-06-28 | 2003-06-28 | Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232664 CN2624207Y (en) | 2003-06-28 | 2003-06-28 | Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2624207Y true CN2624207Y (en) | 2004-07-07 |
Family
ID=34248675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03232664 Expired - Lifetime CN2624207Y (en) | 2003-06-28 | 2003-06-28 | Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2624207Y (en) |
-
2003
- 2003-06-28 CN CN 03232664 patent/CN2624207Y/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101430267B (en) | Test method and apparatus for rheological behavior of polymer composite material | |
| CN205700594U (en) | A kind of micro-fluidic chip for viscosity test | |
| CN105932151B (en) | Micro-fluidic chip and production method for viscosity test | |
| CN104266680A (en) | Microfluidics droplet detection system and method based on capacitive sensor | |
| CN205982259U (en) | Multi -functional side slope laboratory model testing device based on PIV | |
| CN104568287B (en) | Pressure apparatus in a kind of deformation direct measurement microchannel of utilization PDMS film | |
| CN1194218C (en) | Ultrasonic wave vibration field slit flow small angle laser light scattering real time observation system | |
| CN2624207Y (en) | Real-time observation arrangement for narrow slit flow ultrasonic vibration field small angle laser light scattering | |
| BR0112176A (en) | Process and apparatus for preparing polymers using an ultrasonic side current device to monitor and control polymer properties | |
| Yuan et al. | Faraday instability of a liquid layer in ultrasonic atomization | |
| Fukuyama et al. | Continuous measurement of shear-induced platelet aggregation | |
| Zhang et al. | Spatial distribution and transient evolution of sub-droplet velocity and size in ultrasonic atomization | |
| Xu et al. | Parametric study on breakup of liquid jet in a gas-driven flow focusing process upon external excitation | |
| CN106383070B (en) | The test device and method of the lower polymeric rheology performance of ultrasonic activation effect | |
| CN114164104A (en) | Single-cell non-Newtonian droplet packaging device and method based on micro-fluidic chip | |
| CN113654921A (en) | Tapered plate variable volume turbulence resistance reduction evaluation device and method | |
| CN102636517B (en) | Device and method for testing pressure-volume-temperature (PVT) relationship of polymer at high cooling rate | |
| CN107589275A (en) | A kind of flow-velocity sensing method and device based on light miniflow dye laser | |
| Sun et al. | Analysis and simulation of non‐Newtonian flow in the coat‐hanger die of a meltblown process | |
| CN1314528C (en) | Method and apparatus for detecting polymer dynamic injection rheological properties and behaviors | |
| CN1876584A (en) | Electronic temperature control unit | |
| CN106785867B (en) | A method of the laser intensity of control polymer dispersed liquid crystals accidental laser | |
| CN111122395A (en) | Mobile supersonic nozzle continuous measurement system | |
| CN201116878Y (en) | Concrete flow quantity metering device | |
| CN220808479U (en) | Vibration shear-ultrasonic hot bench experiment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050323 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |