CN203785995U - Bubble parameter measuring device - Google Patents

Bubble parameter measuring device Download PDF

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Publication number
CN203785995U
CN203785995U CN201320568688.4U CN201320568688U CN203785995U CN 203785995 U CN203785995 U CN 203785995U CN 201320568688 U CN201320568688 U CN 201320568688U CN 203785995 U CN203785995 U CN 203785995U
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CN
China
Prior art keywords
bubble
scaling board
slide block
optical imaging
measurement mechanism
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Expired - Fee Related
Application number
CN201320568688.4U
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Chinese (zh)
Inventor
杜立彬
张�浩
曲君乐
杨倩
吴承璇
董磊
雷卓
贺海靖
祁国梁
吕斌
王秀芬
刘杰
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Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
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Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
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Priority to CN201320568688.4U priority Critical patent/CN203785995U/en
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Abstract

The utility model discloses an bubble parameter measuring device which comprises a base support, wherein a sliding guide rail is arranged on the base support, a light source module and optical imaging equipment are arranged on the sliding guide rail in a sliding manner, and a transparent water tank is arranged between the light source module and the optical imaging equipment; the optical imaging equipment collects images of bubbles in the transparent water tank, sends the collected image data to a data processing terminal, the data processing terminal analyzes the image of the bubbles so as to acquire bubble parameters. The bubble parameter measuring device is simple in structure and low in cost, can provide technological support for calculating the volume of the bubbles in the liquid, measurement parameters are adjustable, measurement results are accurate, and the real-time property is strong, also the usage amount of sample solution can be saved to a greater extent, and the operation processes is simplified.

Description

A kind of Bubble Parameters measurement mechanism
Technical field
The utility model belongs to water sample detection technical field, specifically, relates to a kind of measurement mechanism detecting of realizing for the Bubble Parameters to fluid sample.
Background technology
The mobile of ocean, rivers, lake can produce a large amount of bubbles, and the breathing of aquatic organism, disturbance also can produce a large amount of bubbles, bubble be created on the variation that can have influence on to a certain extent ocean, rivers, lake and external environment.Gas duck in drink survival time generally in the several seconds between hundreds of second, its principal ingredient is air, comprises O 2, part CO 2with a small amount of CO, SO 2, CH 4and the toxic gas such as fluorocarbon.The characteristic of research bubble has important effect at aspects such as fluid dynamics and mass exchange, environmental noise, geophysics, chemical engineering application, bio-pharmaceuticals, wastewater treatment and environmental sciences.
Bubble in ocean, rivers, lake is mainly produced by wave breaking, and its diameter is generally no more than grade, so the basic sub-circular of shape adopts acoustic scattering method or optical photography method to detect distribution and the grain size of bubble conventionally.Wherein, in the process that adopts acoustic scattering method to detect Bubble Parameters, the device structure of required use is relatively simple, easy to detect, but be subject to Environmental Noise Influence larger, accuracy of detection is low, in solving flow field, during space distribution (as speed and the particle diameter etc.) problem of bubble, is difficult to the effect that reaches good.Optical detecting method is the main method that is used at present studying Bubble Parameters, its checkout equipment relative complex, and cost is high, but imaging precision is high, can obtain bubble diagram picture very clearly.By the processing to bubble diagram picture, detailed behavior details can be provided for the attribute information of single isolated bubbles, also can be by thering is the image of certain sequential, analyze the kinetic characteristic of bubble population, the effect of research bubble breaking in the exchange of ocean-atmosphere interface gas, also can be used for studying the motion of bubble, calculates the heat and energy exchange in water body and gas interface, proofread and correct the reflection error of underwater light field in extra large look remote sensing, analyze bubble on the geology variation of the impact of hydroacoustic noise and exploration ocean etc.
Summary of the invention
The purpose of this utility model is to provide a kind of Bubble Parameters measurement mechanism simple in structure, with low cost, for bubble volume and morphological feature thereof in accurate, express-analysis liquid provide the support on hardware.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of Bubble Parameters measurement mechanism, comprise base support, on described base support, be provided with rail plate, on described rail plate, be slidably fitted with light source module and optical imaging apparatus, between described light source module and optical imaging apparatus, be provided with transparent tank; Described optical imaging apparatus gathers the bubble diagram picture in transparent tank, and the view data collecting is sent to data processing terminal, to generate Bubble Parameters.
In order to utilize the bubble diagram picture collecting to converse exactly the actual particle size size of true bubble, on described rail plate, be slidably fitted with a scaling board support, the adjustable scaling board position adjustments bar of upper-lower position is installed on described location-plate support, bottom at described scaling board position adjustments bar is provided with scaling board, described scaling board extend in transparent tank, by described scaling board, bubble diagram is demarcated as corresponding full size.
Further, on described scaling board, be provided with uncalibrated image, described uncalibrated image is to arrange by a plurality of black circles the black circle array forming.By optical imaging apparatus, first gather uncalibrated image, set up the corresponding relation between black circle actual diameter size and the number of pixels of optical imaging apparatus, the number of pixels of the bubble diagram picture then collecting by calculating optical imaging device, and then utilize described corresponding relation just can calculate exactly the particle size parameters of actual bubble.
Further again, middle part at described base support is formed with pedestal, described transparent tank is placed on described pedestal, described scaling board support casing is contained in the outside of transparent tank, the bottom of scaling board support is arranged on one independently on slide block, described slide block is arranged on described rail plate, to facilitate the position that regulates scaling board.
A kind of preferred structure teaming method as described light source module is provided with LED lamp, LED lamp support, universal adjustment axle and ground glass in described light source module; Described LED lamp is arranged on LED lamp support by universal adjustment axle, and described LED lamp support is fixedly mounted on one independently on slide block, and described slide block is arranged on described rail plate; Described ground glass is arranged on the light output end of LED lamp, and the light that LED lamp is sent carries out scattering, to facilitate optical imaging apparatus to obtain the projected image of bubble, for calculating the parameters such as particle diameter of bubble, provides technical support.
Further, described optical imaging apparatus is arranged on position adjusting bracket, and described position adjusting bracket is arranged on one independently on slide block, and described slide block is arranged on described rail plate.
In order to observe accurately, intuitively three position relationships between slide block, in a side of described base support, the direction of extending along rail plate is provided with rule.
In order to make the Bubble Parameters measurement mechanism that the utility model proposes not be only applicable to treat the analysis of surveying Bubble Parameters in sample solution, testing process, but also can as analogue experiment installation, be applied in the experimentation of teaching and theoretical research simultaneously, the utility model is also further provided with venthole in described transparent tank, described venthole connects air shooter, by air shooter, connect bubble generator, just can adopt thus the mode of artificial manufacture bubble, utilize the artificial bubble generating to replace existing bubble in actual sample solution, complete teaching and theoretical research experiment.
Preferably, described venthole is preferably arranged on the bottom of transparent tank, moving in the translation of transparent water trough inner water under the drive of air shooter, to generate and detect required bubble in the position of needs, the carrying out of convenient experiment.
In order to simplify hardware configuration, meet the compactedness designing requirement of device, preferably described bubble generator and light source module are arranged on same slide block, and power switch component is further set on described slide block, connect respectively described bubble generator and light source module, the power supply of described bubble generator and light source module is carried out to switch control.
Compared with prior art, advantage of the present utility model and good effect are: Bubble Parameters measurement mechanism of the present utility model is simple in structure, with low cost, can provide technical support for calculating the parameters such as the volume of gas (bubble) in liquid and shape facility thereof, not only measurement parameter is adjustable, measurement result is accurate, real-time, and the use amount that can save to a great extent sample solution, simplify the operation course, be adapted at scientific research, teaching, widespread use in the fields such as seawater monitoring, realize the measurement of Bubble Parameters in flow/illiquidity transparency liquid.
Read by reference to the accompanying drawings after the detailed description of the utility model embodiment, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the Bubble Parameters measurement mechanism that proposes of the utility model;
Fig. 2 is the structural representation of a kind of embodiment of scaling board.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Shown in Figure 1, the Bubble Parameters measurement mechanism of the present embodiment is mainly partly comprised of base support 1, rail plate 17, light source module, transparent tank 19, optical imaging apparatus 12 and data processing terminal 18 etc.Wherein, base support 1, as the support component of whole device, is preferably designed to tower structure, to reduce materials, reduces costs.Four corner locations in base support 1 bottom are provided with support feet 21, described rail plate 17 is installed in the top of base support 1, described light source module and optical imaging apparatus 12 are slidably mounted on described rail plate 17, and transparent tank 19 is placed between light source module and optical imaging apparatus 12, by regulating light source module and the position of optical imaging apparatus 12 on rail plate 17, to facilitate optical imaging apparatus 12 clearly to obtain the projected image of bubble in transparent tank 19.
In the present embodiment, preferably adopt two independently slide blocks 14,15 are installed on rail plate 17, by two slide blocks 14,15, carry respectively described light source module and optical imaging apparatus 12, make it can horizontal slip on rail plate 17, regulate measurement parameter.
Two slide blocks 14,15 are in one line on rail plate 17, and be positioned at the relative both sides of transparent tank 19, the light that utilizes light source module to produce, irradiate the sample solution in transparent tank 19, and by the projected image of bubble in optical imaging apparatus 12 collected specimens solution, the view data that optical imaging apparatus 19 is collected is sent to data processing terminal 18, utilize 18 pairs of bubble diagrams of data processing terminal to look like to analyze, just can calculate thus the parameter information of actual bubble, realize the measurement to Bubble Parameters in sample solution.
In the present embodiment, described light source module preferably adopts the parts such as LED lamp 4, universal adjustment axle 5, LED lamp support 6 and ground glass 23 to form, shown in Figure 1.Wherein, LED lamp support 6 is arranged on the first slide block 14, when LED lamp 4 is played a supporting role, can change the height of LED lamp 4.Universal adjustment axle 5 is arranged on LED lamp support 6, described LED lamp 4 is installed on universal adjustment axle 5, by regulating universal adjustment axle 5 can change the light emission direction of LED lamp 4.For the light that described LED lamp 4 is sent disperses, the present embodiment has been installed ground glass 23 on the light output end of described LED lamp 4.Utilize the mode of LED lamp 4 forward scattering light projections, the projected image that clearly obtains bubble for optical imaging apparatus 12 provides technical support.
For described transparent tank 19, preferably adopt glass to make, for splendid attire sample solution.Described glass flume 19 is designed to the cube structure of upper shed, is placed on the formed pedestal 24 in middle part of base support 1, shown in Figure 1.
Because the bubble diagram picture getting by optical imaging apparatus 12 can not reflect the grain size of actual bubble exactly, in order to set up the corresponding relation between bubble diagram picture and bubble physical size, the present embodiment has designed scaling board 8 in glass flume 19, as shown in Figure 1.On described scaling board 8, form uncalibrated image, described uncalibrated image is preferably designed to by a plurality of black circles and arranges the black circle array forming, shown in Figure 2.At distance to a declared goal, by optical imaging apparatus 12, obtain the uncalibrated image on scaling board 8, make to set up the actual diameter size of black circle and the corresponding relation of image pixel number becomes possibility.By this corresponding relation, can obtain easily the pixel corresponding to target of distance to a declared goal, for obtain the particle size parameters of bubble by the number of pixels of computed image, provide technical support.
For the convenient height that regulates scaling board 8, described scaling board 8 is arranged on to the bottom of scaling board position adjustments bar 9, the top of scaling board position adjustments bar 9 is through scaling board support 7, and by locking member 23, scaling board position adjustments bar 9 is fixed on described scaling board support 7, by scaling board position adjustments bar 9, regulate the lengthwise position of scaling board 8, i.e. height, and control scaling board 8 and horizontally rotate.Described scaling board support 7 is preferably designed to foursquare tower structure, around the outside of glass flume 19, is set with.By the bottom of scaling board support 7 be arranged on another one independently slide block 16(be referred to as the second slide block 16) on, described the second slide block 16 is slidably mounted on described rail plate 17, scaling board support 7 can be moved horizontally along rail plate 17, regulate the position of scaling board 8 in glass flume 19.
Described optical imaging apparatus 12 preferably adopts the bubble projected image in high-resolution camera glass flume 19.Optical imaging apparatus 12 is arranged on position adjusting bracket 13, position adjusting bracket 13 is fixed on the 3rd slide block 15, shown in Figure 1.By position adjusting bracket 13, adjust the length travel of optical imaging apparatus 12, make its just with the center of scaling board 8 and the light output end of LED lamp 4 on same straight line.The 3rd slide block 15 loading positions regulate support 13 and optical imaging apparatus 12 to move on rail plate 17, to regulate the distance between optical imaging apparatus 12 and glass flume 19.
Sliding position for three slide blocks 14,15,16 of convenient observation, the present embodiment is also provided with rule 22 in a side (side that is parallel to rail plate 17) of described base support 1, shown in Figure 1, described rule 22 is along the parallel laying of bearing of trend of rail plate 17, with facilitate testing staff clear, obtain the position relationship between LED lamp 4, glass flume 19, optical imaging apparatus 12 threes intuitively.
Optical imaging apparatus 12 transfers to the view data getting data processing terminal 18(such as computing machine etc. by data line), in data processing terminal 18, move corresponding software program, process relevant view data, obtain the measurement result of Bubble Parameters.
Below in conjunction with Fig. 1, the measurement method of parameters of bubble in sample solution is set forth particularly.
Before the bubble in sample solution carries out parameter measurement, first carry out calibration process.
At timing signal, first regulate LED lamp 4, scaling board 8 and optical imaging apparatus 12 threes on straight line; Then be 4 power supplies of LED lamp, the light path of proofreading and correct LED lamp 4, makes itself and scaling board 8 and optical imaging apparatus 12 in straight line.Mobile the first slide block 14 and the 3rd slide block 15, until can obtain the uncalibrated image on scaling board 8 in optical imaging apparatus 12, regulate the also parameter of recording optically imaging device 12, obtains the picture rich in detail of scaling board 8.By data processing terminal 18, obtain the view data of optical imaging apparatus 12, utilize data processing software on data processing terminal 18, to show, analyze and preserve view data, set up the corresponding relation between the actual diameter size of black circle on scaling board 8 and black circle image pixel number that optical imaging apparatus 12 obtains, and by the scale at rule 22 record the first slide block 14, scaling board support 7 and the 3rd slide block 15 places.
Demarcate and finish, the actual measurement process that enters bubble in sample solution.
During measurement, the place scale of parameter, the first slide block 14, scaling board support 7 and the 3rd slide block 15 of maintenance optical imaging apparatus 12 is constant, removes scaling board 8, and sample solution to be measured is injected in glass flume 19.Utilize optical imaging apparatus 12 to obtain the projected image of bubble in sample solution, transfer to data processing terminal 18, by the data processing software of operation in data processing terminal 18, obtain the number of pixels of bubble projected image, and then utilize the corresponding relation of having set up, calculate the physical size of bubble.
After measurement finishes, can carry out statistical study to obtained view data, the particle diameter that calculates bubble distributes and density.
In order to make the Bubble Parameters measurement mechanism of the present embodiment be equally applicable to simulation experiment teaching and scientific research, the present embodiment can also further arrange bubble generator in described Bubble Parameters measurement mechanism, shown in Figure 1, comprise venthole 10, air shooter 11, bubble generator 3 and gas velocity variable valve 20.Described venthole 10 is arranged in glass flume 19, and preferred cloth is located at the bottom of glass flume 19, connects air shooter 11, and connects bubble generator 3 by air shooter 11, utilizes the artificial bubble producing to carry out simulated experiment.Gas velocity variable valve 20 is installed on air shooter 11, to control the generation speed of bubble.
As a kind of preferred design of the present embodiment, described bubble generator 3 and gas velocity variable valve 20 preferred cloth are located on the first slide block 14, on the first slide block 14, can also lay power switch component 2 simultaneously, shown in Figure 1.Described power switch component 2 is connected respectively to bubble generator 3 and LED lamp 4, for bubble generator 3 and LED lamp 4 carry out power supply control.
When carrying out simulated experiment, be also first to carry out calibration process, set up the corresponding relation between the grid physical size of scaling board 8 and grid image number of pixels that optical imaging apparatus 12 obtains.Then, carry out following Bubble Parameters measuring process.
During measurement, the place scale of parameter, the first slide block 14, scaling board support 7 and the 3rd slide block 15 of maintenance optical imaging apparatus 12 is constant, removes scaling board 8, injected water in glass flume 19.By mobile gas delivery pipe 11 drive ventholes 10 be positioned at scaling board position adjustments bar 9 under.Start the switch of bubble generator 3 in power switch component 2, and according to the speed of giving vent to anger of gas outlet 10, regulate the aperture of gas velocity variable valve 20, to control the bubble velocity producing by gas outlet 10.Utilize optical imaging apparatus 12 to obtain the projected image of underwater bubble, transfer to data processing terminal 18, by the data processing software of operation in data processing terminal 18, obtain the number of pixels of bubble projected image, and then utilize the corresponding relation set up, the physical size that calculates bubble, completes simulated experiment.
Certainly; the above is only a kind of preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. a Bubble Parameters measurement mechanism, it is characterized in that: comprise base support, on described base support, be provided with rail plate, on described rail plate, be slidably fitted with light source module and optical imaging apparatus, between described light source module and optical imaging apparatus, be provided with transparent tank; Described optical imaging apparatus gathers the bubble diagram picture in transparent tank, and the view data collecting is sent to data processing terminal.
2. Bubble Parameters measurement mechanism according to claim 1, it is characterized in that: on described rail plate, be slidably fitted with a scaling board support, the adjustable scaling board position adjustments bar of upper-lower position is installed on described scaling board support, bottom at described scaling board position adjustments bar is provided with scaling board, and described scaling board extend in transparent tank.
3. Bubble Parameters measurement mechanism according to claim 2, is characterized in that: on described scaling board, be provided with uncalibrated image, described uncalibrated image is to arrange by a plurality of black circles the black circle array forming.
4. Bubble Parameters measurement mechanism according to claim 2, it is characterized in that: the middle part at described base support is formed with pedestal, described transparent tank is placed on described pedestal, described scaling board support casing is contained in the outside of transparent tank, the bottom of scaling board support is arranged on one independently on slide block, and described slide block is arranged on described rail plate.
5. Bubble Parameters measurement mechanism according to claim 1, is characterized in that: in described light source module, be provided with LED lamp, LED lamp support, universal adjustment axle and ground glass; Described LED lamp is arranged on LED lamp support by universal adjustment axle, and described LED lamp support is fixedly mounted on one independently on slide block, and described slide block is arranged on described rail plate; Described ground glass is arranged on the light output end of LED lamp, and the light that LED lamp is sent carries out scattering.
6. Bubble Parameters measurement mechanism according to claim 1, is characterized in that: described optical imaging apparatus is arranged on position adjusting bracket, and described position adjusting bracket is arranged on one independently on slide block, and described slide block is arranged on described rail plate.
7. Bubble Parameters measurement mechanism according to claim 1, is characterized in that: in a side of described base support, the direction of extending along rail plate is provided with rule.
8. according to the Bubble Parameters measurement mechanism described in any one in claim 1 to 7, it is characterized in that: in described transparent tank, be provided with venthole, described venthole connects air shooter, by air shooter, connects bubble generator.
9. Bubble Parameters measurement mechanism according to claim 8, is characterized in that: described venthole is arranged on the bottom of transparent tank, moving in the translation of transparent water trough inner water under the drive of air shooter.
10. Bubble Parameters measurement mechanism according to claim 8, it is characterized in that: described bubble generator and light source module are arranged on same slide block, on this slide block, be also provided with power switch component, connect respectively described bubble generator and light source module, the power supply of described bubble generator and light source module is carried out to switch control.
CN201320568688.4U 2013-09-13 2013-09-13 Bubble parameter measuring device Expired - Fee Related CN203785995U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237077A (en) * 2014-09-22 2014-12-24 中国石油大学 Gas diffusion velocity measurement device and application thereof
CN105158124A (en) * 2015-10-10 2015-12-16 山东省科学院海洋仪器仪表研究所 Bubble image in-situ collection device
CN106323832A (en) * 2015-06-16 2017-01-11 中国石油化工股份有限公司 Device and method for measuring adsorption swelling amount of coal rock
CN107290353A (en) * 2016-03-30 2017-10-24 中芯国际集成电路制造(上海)有限公司 The bubble detection device and detection method of photoresistance pipeline
CN111282460A (en) * 2020-01-07 2020-06-16 南京理工大学 Underwater bubble generation and control experimental device suitable for ultrasonic field
CN113237882A (en) * 2021-05-13 2021-08-10 中国铁建重工集团股份有限公司 Visual detection system
CN113720736A (en) * 2021-07-26 2021-11-30 中国科学院重庆绿色智能技术研究院 Micro-nano bubble observation device and method

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104237077A (en) * 2014-09-22 2014-12-24 中国石油大学 Gas diffusion velocity measurement device and application thereof
CN104237077B (en) * 2014-09-22 2016-08-24 中国石油大学(华东) A kind of gas diffusion velocity determinator and application
CN106323832A (en) * 2015-06-16 2017-01-11 中国石油化工股份有限公司 Device and method for measuring adsorption swelling amount of coal rock
CN105158124A (en) * 2015-10-10 2015-12-16 山东省科学院海洋仪器仪表研究所 Bubble image in-situ collection device
CN107290353A (en) * 2016-03-30 2017-10-24 中芯国际集成电路制造(上海)有限公司 The bubble detection device and detection method of photoresistance pipeline
CN111282460A (en) * 2020-01-07 2020-06-16 南京理工大学 Underwater bubble generation and control experimental device suitable for ultrasonic field
CN111282460B (en) * 2020-01-07 2022-04-15 南京理工大学 Underwater bubble generation and control experimental device suitable for ultrasonic field
CN113237882A (en) * 2021-05-13 2021-08-10 中国铁建重工集团股份有限公司 Visual detection system
CN113720736A (en) * 2021-07-26 2021-11-30 中国科学院重庆绿色智能技术研究院 Micro-nano bubble observation device and method

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