CN202048893U - System for detecting bubbles of spinning solution in real time - Google Patents
System for detecting bubbles of spinning solution in real time Download PDFInfo
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- CN202048893U CN202048893U CN201120074920XU CN201120074920U CN202048893U CN 202048893 U CN202048893 U CN 202048893U CN 201120074920X U CN201120074920X U CN 201120074920XU CN 201120074920 U CN201120074920 U CN 201120074920U CN 202048893 U CN202048893 U CN 202048893U
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Abstract
The utility model relates to a system for detecting bubbles of a spinning solution in real time. The system comprises a laser, a beam amplifying lens, a to-be-tested sample pool, a Fourier frequency spectrum conversion lens, an imaging lens, an image sensor, an image acquisition card and a computer which are sequentially arranged, wherein output light of a laser source passes through the beam amplifying lens and enters a transparent sample pool containing a sample to be tested. A dynamic frequency spectrum intensity chart is obtained through quick Fourier conversion; characteristic frequencies of a signal is obtained through frequency spectrum analysis; moving speed of the bubbles can be inferred according to the characteristic frequencies; and scattering light intensities of the bubbles from different angles are obtained by analyzing and acquiring a frame image in the signal and filtering and linearly graduating the frame image, so that diameter, density distribution and content of the bubbles are obtained. The system can monitor moving speed, size and content of the bubbles and has the advantages of real time, simplicity and convenience, practicability and high reliability.
Description
Technical field
The utility model relates to fibrous material and precision optics detection technique field, particularly relates to a kind of spinning solution bubble real-time detecting system based on the precision optics detection technique.
Background technology
Compound substance is widely used in a lot of fields, and the visible trend that replaces traditional material is arranged.High-performance fiber is significant for the preparation compound substance.High-performance fiber has stronger resistivity to chemical actions such as physical action such as power, heat, light, electricity and acid, alkali, oxygenants, and has abilities such as high strength, high-modulus, high temperature resistant, fire-retardant, corrosion-resistant, anti-electron beam irradiation, anti-gamma-ray radiation.High-performance fiber is generally used for making most advanced and sophisticated compound substance, fabrics for industrial use, special type protection with textile etc., as make the Fanglun l414 of missile case compound substance, make high-temperature smoke and filter the aramid fiber 1313 of using nonwoven fabrics, the aromatic poly amide of making flak jackets, bulletproof halmet, aromatic polyester fiber, superhigh molecular weight polyethylene fibers etc.Spin processes is the common method of preparation fiber, but the impurity in the spinning liquid, bubble etc. can produce considerable influence to the performance of fiber, and the real-time detection of bubble is significant in the spinning liquid.Traditional bubble detection system exists and is difficult to detect in real time weak points such as bubble size and movement velocity thereof.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly remedies that existing spinning liquid bubble detection system is difficult to realize in real time, the spinning solution bubble real-time detecting system of dynamic monitoring.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of spinning solution bubble real-time detecting system is provided, comprise the laser instrument of putting successively, extender lens, the testing sample pond, the fourier spectrum transform lens, imaging len, imageing sensor, image pick-up card and computing machine, the output light of described laser instrument enters the testing sample pond of containing spinning liquid inflow entrance and flow export behind extender lens, after the bubble population scattering of this light beam spinning liquid in the testing sample pond, output light carries out spectrum transformation through the fourier spectrum transform lens, the spectrogram that conversion obtains is imaged onto imageing sensor through imaging len, and after the image pick-up card collection, be transferred to computing machine, and show on computers.
Described laser instrument is 405nm laser instrument or tunable laser.
Described extender lens is made up of two convex lens.
The output light of described lasing light emitter enters the sample cell of spinning liquid to be measured after extender lens expands bundle, bubble in the spinning liquid carries out scattering to light beam, because bubble diameter is suitable with lambda1-wavelength, therefore detect the light signal based on forward direction Mie scattering (Mie Scattering) light, it is the most accurate to measure.Mie scattering light carries out spectrum transformation and through imaging len through fourier transform lens, image in imageing sensor and by after the image pick-up card collection by Computer Processing.By measuring the scattered light intensity of bubble population in the different angles scope, set up the relation of air curtain scattered light intensity and bubble diameter and density then, and then by mathematical inversion algorithm, by counter diameter and the Density Distribution situation of measuring of releasing bubble of scattered light intensity.
The Output optical power of described lasing light emitter is adjustable, the output power that can suitably regulate laser instrument according to the length that expands bundle multiple and sample pond.Wherein tunable laser can conversion be exported light wavelength, thereby improve the measuring accuracy of bubble in each diameter range.
Described extender lens is made up of two convex lens, can expand the bundle multiple according to the size adjustment of tested spinning liquid sample cell.
Described fourier spectrum transform lens is a disappearing image difference fourier spectrum transform lens, to improve the overall measurement accuracy of system.
Be provided with in the described computing machine and analyze and display device, be used for the data that collect of described image pick-up card are analyzed, handled and show in real time.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and good effect: the utility model can detect in real time to diameter, distribution density, content and the movement velocity of spinning liquid bubble.When detecting, only need just can extrapolate size, distribution density and the movement velocity of bubble according to the spectrum intensity figure of flashlight.
The utility model only needs the output port of laser instrument is aimed at the sample cell of spinning liquid, and with the output optical registration fourier transform lens and the imageing sensor of sample cell, just can realize the real-time monitoring to spinning solution air entrapment size, content and movement velocity.Utilize the inversion algorithm program that presets in the computing machine, can realize the real-time demonstration of bubble size, content, movement velocity.
Elements such as laser instrument of the present utility model, lens, imageing sensor and image pick-up card are easy to buy or preparation, and the laser instrument of high output beam quality and highly sensitive imageing sensor market are all ripe, the cost performance height, and whole measuring system is reliable and stable.The technological level of other components and parts is all very ripe, convenient feasible in the system, is suitable for preparing fibrous material with spin processes, and can be widely used in the bubble monitoring of other field.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
As shown in Figure 1, the utility model comprises laser instrument 1, extender lens 2, testing sample pond 3, fourier spectrum transform lens 4, imaging len 5, imageing sensor 6, image pick-up card 7 and a computing machine 8, the output light of described laser instrument 1 enters the testing sample pond 3 of containing spinning liquid inflow entrance to be measured and flow export behind extender lens 2, its output light carries out spectrum transformation through fourier spectrum transform lens 4 after the bubble population scattering of this light beam in spinning liquid, the spectrogram that conversion obtains is imaged onto imageing sensor 6 through imaging len 5, and shows on computing machine 8 after image pick-up card 7 is gathered.
The power of the output light of described laser instrument 1 length etc. in pond is per sample regulated, and available tunable laser substitutes, and with the output wavelength optical signals, and realizes accurate measurement to the bubble of different magnitude range.Bubble in the spinning liquid carries out scattering to light beam, because bubble diameter is suitable with lambda1-wavelength, therefore detect light signal based on forward direction Mie scattering (Mie Scattering) light, Mie scattering light carries out spectrum transformation and through imaging len through fourier transform lens, image in imageing sensor and by after the image pick-up card collection by Computer Processing.By measuring the scattered light intensity of bubble population in the different angles scope, set up the relation of air curtain scattered light intensity and bubble diameter and density then, and then by mathematical inversion algorithm, by counter diameter and the Density Distribution situation of measuring of releasing bubble of scattered light intensity.
In computing machine 8 of the present utility model, also be provided with and analyze and software for display, can analyze, handle and show in real time the data that collect of image pick-up card 7, with the real-time demonstration of bubble size, content and movement velocity in the realization spinning liquid, thereby spinning liquid in the fiber production is realized in real time, monitored dynamically.The principle of the analysis in the computing machine and the idiographic flow of software for display is as follows: bubble is approximately spheric grain, and the scattered light intensity of different directions is relevant with the diameter of bubble and scatteringangle.Scattered beam on the different scatteringangle directions, to focus on the different endless belts of photo-detector of imageing sensor, calculate the energy of bubble on each ring of photo-detector of a certain diameter range, the scattered light intensity of this scope should be carried out integration on each anchor ring of photo-detector.By dividing the size and the situation of change of the luminous energy on the ring to analyze, can obtain the movement velocity of size, distribution density and the bubble of bubble to each.
Claims (3)
1. spinning solution bubble real-time detecting system, comprise the laser instrument of putting successively (1), extender lens (2), testing sample pond (3), fourier spectrum transform lens (4), imaging len (5), imageing sensor (6), image pick-up card (7) and computing machine (8), it is characterized in that, the output light of described laser instrument (1) enters the testing sample pond (3) of containing spinning liquid inflow entrance and flow export behind extender lens (2), after the bubble population scattering of this light beam spinning liquid in testing sample pond (3), output light carries out spectrum transformation through fourier spectrum transform lens (4), the spectrogram that conversion obtains is imaged onto imageing sensor (6) through imaging len (5), and after image pick-up card (7) is gathered, be transferred to computing machine (8), and go up demonstration at computing machine (8).
2. a kind of spinning solution bubble real-time detecting system according to claim 1 is characterized in that: described laser instrument (1) is 405nm laser instrument or tunable laser.
3. a kind of spinning solution bubble real-time detecting system according to claim 1, it is characterized in that: described extender lens (2) is made up of two convex lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120074920XU CN202048893U (en) | 2011-03-21 | 2011-03-21 | System for detecting bubbles of spinning solution in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120074920XU CN202048893U (en) | 2011-03-21 | 2011-03-21 | System for detecting bubbles of spinning solution in real time |
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| Publication Number | Publication Date |
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| CN202048893U true CN202048893U (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120074920XU Expired - Fee Related CN202048893U (en) | 2011-03-21 | 2011-03-21 | System for detecting bubbles of spinning solution in real time |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185808A (en) * | 2012-03-30 | 2013-07-03 | 嘉兴学院 | Photoelectric technology-based bubble velocity-measuring system |
| CN103364348A (en) * | 2012-03-30 | 2013-10-23 | 安东帕有限公司 | Optical device, particularly a polarimeter, for detecting inhomogeneities in a sample |
| CN104089851A (en) * | 2014-07-10 | 2014-10-08 | 中国工程物理研究院化工材料研究所 | Method for testing continuous distribution of crystal density based on density gradient light transmittance method |
| CN107807402A (en) * | 2016-09-09 | 2018-03-16 | 美敦力公司 | Air-foam detector |
| CN110006795A (en) * | 2019-04-30 | 2019-07-12 | 华北电力大学（保定） | Grain testing apparatus, method and FPGA |
| US10967112B2 (en) | 2011-04-29 | 2021-04-06 | Medtronic, Inc. | Adaptive system for blood fluid removal |
| US10994064B2 (en) | 2016-08-10 | 2021-05-04 | Medtronic, Inc. | Peritoneal dialysate flow path sensing |
| US11013843B2 (en) | 2016-09-09 | 2021-05-25 | Medtronic, Inc. | Peritoneal dialysis fluid testing system |
| CN112986283A (en) * | 2021-02-05 | 2021-06-18 | 安徽绿舟科技有限公司 | Online detection and control method based on visual analysis of hot-melt defects |
| US11255831B2 (en) | 2016-09-09 | 2022-02-22 | Medtronic, Inc. | Colorimetric gas detection |
| US11313804B2 (en) | 2016-09-09 | 2022-04-26 | Medtronic, Inc | Fluid sensor apparatus |
| US11806456B2 (en) | 2018-12-10 | 2023-11-07 | Mozarc Medical Us Llc | Precision peritoneal dialysis therapy based on dialysis adequacy measurements |
| US11806457B2 (en) | 2018-11-16 | 2023-11-07 | Mozarc Medical Us Llc | Peritoneal dialysis adequacy meaurements |
| US11850344B2 (en) | 2021-08-11 | 2023-12-26 | Mozarc Medical Us Llc | Gas bubble sensor |
| US11883576B2 (en) | 2016-08-10 | 2024-01-30 | Mozarc Medical Us Llc | Peritoneal dialysis intracycle osmotic agent adjustment |
| US11965763B2 (en) | 2021-11-12 | 2024-04-23 | Mozarc Medical Us Llc | Determining fluid flow across rotary pump |
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2011
- 2011-03-21 CN CN201120074920XU patent/CN202048893U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11759557B2 (en) | 2011-04-29 | 2023-09-19 | Mozarc Medical Us Llc | Adaptive system for blood fluid removal |
| US10967112B2 (en) | 2011-04-29 | 2021-04-06 | Medtronic, Inc. | Adaptive system for blood fluid removal |
| CN103364348A (en) * | 2012-03-30 | 2013-10-23 | 安东帕有限公司 | Optical device, particularly a polarimeter, for detecting inhomogeneities in a sample |
| CN103185808A (en) * | 2012-03-30 | 2013-07-03 | 嘉兴学院 | Photoelectric technology-based bubble velocity-measuring system |
| CN104089851A (en) * | 2014-07-10 | 2014-10-08 | 中国工程物理研究院化工材料研究所 | Method for testing continuous distribution of crystal density based on density gradient light transmittance method |
| US10994064B2 (en) | 2016-08-10 | 2021-05-04 | Medtronic, Inc. | Peritoneal dialysate flow path sensing |
| US11883576B2 (en) | 2016-08-10 | 2024-01-30 | Mozarc Medical Us Llc | Peritoneal dialysis intracycle osmotic agent adjustment |
| US11255831B2 (en) | 2016-09-09 | 2022-02-22 | Medtronic, Inc. | Colorimetric gas detection |
| US11013843B2 (en) | 2016-09-09 | 2021-05-25 | Medtronic, Inc. | Peritoneal dialysis fluid testing system |
| US10664701B2 (en) | 2016-09-09 | 2020-05-26 | Medtronic, Inc. | Gas bubble detector |
| US11313804B2 (en) | 2016-09-09 | 2022-04-26 | Medtronic, Inc | Fluid sensor apparatus |
| US11679186B2 (en) | 2016-09-09 | 2023-06-20 | Mozarc Medical Us Llc | Peritoneal dialysis fluid testing system |
| CN107807402A (en) * | 2016-09-09 | 2018-03-16 | 美敦力公司 | Air-foam detector |
| US11806457B2 (en) | 2018-11-16 | 2023-11-07 | Mozarc Medical Us Llc | Peritoneal dialysis adequacy meaurements |
| US11806456B2 (en) | 2018-12-10 | 2023-11-07 | Mozarc Medical Us Llc | Precision peritoneal dialysis therapy based on dialysis adequacy measurements |
| CN110006795A (en) * | 2019-04-30 | 2019-07-12 | 华北电力大学（保定） | Grain testing apparatus, method and FPGA |
| CN110006795B (en) * | 2019-04-30 | 2024-02-13 | 华北电力大学（保定） | Particle detection device and method and FPGA |
| CN112986283A (en) * | 2021-02-05 | 2021-06-18 | 安徽绿舟科技有限公司 | Online detection and control method based on visual analysis of hot-melt defects |
| US11850344B2 (en) | 2021-08-11 | 2023-12-26 | Mozarc Medical Us Llc | Gas bubble sensor |
| US11965763B2 (en) | 2021-11-12 | 2024-04-23 | Mozarc Medical Us Llc | Determining fluid flow across rotary pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20140321 |