CN103048113A - Experimental device for monitoring motion regularity of pipeline-fissure water flow - Google Patents
Experimental device for monitoring motion regularity of pipeline-fissure water flow Download PDFInfo
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- CN103048113A CN103048113A CN2012105514854A CN201210551485A CN103048113A CN 103048113 A CN103048113 A CN 103048113A CN 2012105514854 A CN2012105514854 A CN 2012105514854A CN 201210551485 A CN201210551485 A CN 201210551485A CN 103048113 A CN103048113 A CN 103048113A
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Abstract
The invention discloses an experimental device for monitoring the motion regularity of pipeline-fissure water flow, which mainly comprises a pipeline-fissure network-structured medium model, a water-pressure sensor system, a data-acquiring system and an image-acquiring system, wherein the water-pressure sensor system is used for measuring a whole flow field, the data-acquiring system is used for automatically reading data, and the image-acquiring system is used for capturing the motion regularity in real time. The pipeline-fissure network-structured medium model is characterized by comprising an organic glass plate with a clamping slot and an organic glass plate without the clamping slot, wherein organic glass blocks in different sizes are placed between the two glass plates to form a fissure network structure, and certain spaces are reserved at the left side and the bottom of a fissure network-structured medium to form a pipeline. The device has a reasonable structure and strong operability, and the fissure network structure can be conveniently adjusted. A pressure sensor system in a model device can be used for measuring water power conditions in the whole flow field and automatically reading the data. The motion regularity of the water flow in the whole flow field can be intuitively known in real time through the shooting technology of a high-definition video camera.
Description
Technical field
The present invention relates to the visualization device of water movement rule in a kind of automatic monitoring pipeline and the Fracture Networks, and can regulate voluntarily the experimental provision of pipeline and crack size, belong to underground water Detection Techniques field.
Background technology
Pipeline and Fracture Networks are grown in a large number at karst area because this special geologic structure so that the groundwater resource of karst area compose deposit, distribution and migration rule be extremely complicated, brought difficulty for Study of The Underground water movement rule.The motion of underground water in pipeline-fissuted medium roughly can be divided into two classes, and a class is characterized in that for the Fracture Networks along fissuted medium moves current disperse relatively, and be connective good; Another kind of is flowing of large crack, edge or pipeline, is characterized in that current distribute concentrated, and only has one or several large crack or pipeline in sizable scope.Both supply form is different, and the current in the fissuted medium are mainly accepted the distributing supply, current slowly seepage flow in the crack; Pipeline water flow is mainly accepted centralized supply, and water movement speed is fast.In addition, the current of two kinds of forms are under different nourishment conditions, and direction of motion is different.How in the laboratory, effectively to disclose different cracks and pipeline configuration feature to the impact mechanism of complicated aqueous system Hydrodynamic Process, ground water movement rule in quota portray pipeline-fissuted medium, water resources management and Rocky Desertification Control to karst area have significant meaning, can promote the theoretical developments of karst area pipeline-fissuted medium ground water movement rule simultaneously.At present, shop experiment research focuses mostly in the research to one-pipe, Single Fracture and Fracture Networks.Therefore develop the experimental provision of a kind of pipeline and Fracture Networks crossing research, have important practical significance.
Summary of the invention
The present invention seeks to that, datamation simple for existing physical model structure gathers that degree is low, the shortcomings such as Real-Time Monitoring and dynamic monitoring scarce capacity, a kind of modern design is provided, it is visual that structure can be regulated arbitrarily, the experimental provision of the water movement rule in automatic monitoring pipeline and the Fracture Networks.
For achieving the above object, the present invention's experimental provision of monitoring pipeline-crack current characteristics of motion can adopt following technical scheme:
A kind of experimental provision of monitoring pipeline-crack current characteristics of motion comprises the dielectric model of pipeline-Fracture Networks structure, pressure sensor systems, and data acquisition system (DAS), image capturing system and computing machine, wherein:
Pressure sensor systems is for the real-time head force value of the inner each point of measuring system;
Data acquisition system (DAS) is used for head pressure is gone the rounds to detect, and the real time data of delivery head pressure links to each other with pressure sensor systems;
Image capturing system is used for the in real time water movement process of seizure pipeline-Fracture Networks structured media model;
Pipeline-Fracture Networks structured media model, the ratio by regulating crack width, line size, crack and pipeline etc. is simulated different hydrology sights, and links to each other with pressure sensor systems by mozzle;
Computing machine is used for the robotization reading out data and gathers image, links to each other with image capturing system with data acquisition system (DAS).
Compare with background technology, the experimental provision of the water movement rule in automatic monitoring pipeline of the present invention and the Fracture Networks is rational in infrastructure, workable, the design of pipeline-fractured network media structural model, can adjust easily the Fracture Networks structure, diverse location setting pressure sensor in model equipment can be measured the hydrodynamic condition in the whole flow field; In addition, the robotization reading out data is avoided personal error.By high-definition camera instrument technique for taking, understand more intuitively the characteristics of motion of current in whole flow field.
Preferably, described pipeline-Fracture Networks structured media model comprises two poly (methyl methacrylate) plates, be sandwiched in the some plexiglass blocks between two poly (methyl methacrylate) plates and be sandwiched in thin layer pad between the adjacent plexiglass block, a described poly (methyl methacrylate) plate is provided with the draw-in groove that cooperates with plexiglass block, described plexiglass block is mobile under the guiding of draw-in groove, forms the Fracture Networks structure between the described plexiglass block.With certain thickness thin layer pad isolation, can simulate like this Fracture Networks structure of different gap lengths between each plexiglass block.Plexiglass block can move horizontally at draw-in groove, has effectively realized the change of crack width.
Preferably, described pipeline-Fracture Networks structured media model also comprises water inlet, water delivering orifice, and described some plexiglass blocks have some different sizes, and described thin layer pad has some different-thickness.
Preferably, described pressure sensor systems comprises the experimental provision of a series of pressure transducers and a fixation pressure sensor.
Preferably, described data acquisition system (DAS) comprises two loggings and a power supply.
Preferably, described image capturing system comprises a high-definition camera instrument.When using this image capturing system, with two kinds of colored liquids difference supply pipelines and Fracture Networks, catch in real time current motion process therein by the high-definition camera instrument, and image analysis software is installed on computers, visually analysis conduit-fractured network media water movement rule.
Preferably, described pipeline-Fracture Networks structured media model is provided with some pressure taps that are communicated with pipeline and crack, and described pressure tap is connected to pressure sensor systems by conduit.
Description of drawings
Fig. 1 is the structural representation that the present invention monitors the experimental provision of pipeline-crack current characteristics of motion.
Fig. 2 is the structural representation that the present invention monitors pipeline-Fracture Networks structured media model in the experimental provision of pipeline-crack current characteristics of motion.
Fig. 3 is the local structure for amplifying schematic diagram that the present invention monitors the experimental provision of pipeline-crack current characteristics of motion.
Fig. 4 is along the cut-open view of A-A direction among Fig. 3.
Fig. 5 is the rear view that the present invention monitors the experimental provision of pipeline-crack current characteristics of motion.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention, should understand these embodiment only is used for explanation the present invention and is not used in and limits the scope of the invention, after having read the present invention, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present invention.
See also shown in Figure 1ly, the present invention monitors the pipeline-experimental provision of the crack current characteristics of motion and comprises the dielectric model of pipeline-Fracture Networks structure, water tank 4, pressure sensor systems 5, data acquisition system (DAS) 6, image capturing system (not shown) and computing machine 7.Water tank 4 enters into respectively fractured network media 1 and the pipeline medium 2 of pipeline-Fracture Networks structure by water distributor 3, current flow out to water delivering orifice in pipeline medium 2, at water outlet flowmeter 8 is installed, and is used for measuring the discharge process of head piece.Be water movement rule in analysis conduit-fractured network media, need to measure the hydraulic Head Distribution in pipeline-fractured network media, in fractured network media 1 and pipeline medium 2, select corresponding location point to be connected to pressure sensor systems 5 as pressure tap 17 and by conduit 10, record the head value of corresponding point position, pressure sensor systems 5 is connected to data acquisition system (DAS) 6, with the real-time output of realization data, installation data process software in computing machine 7, the desired data value is read in robotization.In order to observe intuitively water movement rule in pipeline-fractured network media, colored liquid is injected into respectively in pipeline medium 2 and the fissuted medium 1 by import water tank 4, catch in real time the water movement process with the high-definition camera instrument, in computing machine 7, image processing software is installed, visual research water movement rule.
See also Fig. 2 to shown in Figure 4, the dielectric model of described pipeline-Fracture Networks structure comprises two poly (methyl methacrylate) plates 14,15, is sandwiched in the some plexiglass blocks 11 between two poly (methyl methacrylate) plates 14 and is sandwiched in thin layer pad 12 between the adjacent plexiglass block 11.A poly (methyl methacrylate) plate is provided with the draw-in groove 13 that cooperates with plexiglass block 11, fractured network media 1 is comprised of plexiglass block 11, insert thin layer pad 12 between each plexiglass block with the gap length size in control crack, plexiglass block 11 is installed in draw-in groove 13 places, can move horizontally easily organic glass 11, realize the change of Fracture Networks structure.Equidistant groove that carves certain depth on poly (methyl methacrylate) plate 14 forms draw-in groove 13 between two grooves, be used for installing plexiglass block 11.Can be according to experiment condition, suitable selection draw-in groove number.Link to each other with fastener 16 between two poly (methyl methacrylate) plates 14,15.
See also shown in Figure 5ly, this rear view has embodied experimental provision pressure transducer pressure tap 17 distribution plans.Can be according to position and the quantity of concrete experiment condition and measuring accuracy requirement laying pressure tap.
During enforcement, first pipeline-Fracture Networks structured media is fixed, open pressure sensor systems 5, then high-definition camera instrument and computer 7 open valve 9.Colored liquid flow in pipeline-Fracture Networks constructional device by import water tank 4, by high-definition camera instrument and pressure sensor systems 5 observation current motion states, realize the water movement rule in robotization and the visual research pipeline-Fracture Networks structured media.
Claims (7)
1. experimental provision of monitoring pipeline-crack current characteristics of motion is characterized in that: comprise the dielectric model of pipeline-Fracture Networks structure, and pressure sensor systems, data acquisition system (DAS), image capturing system and computing machine, wherein:
Pressure sensor systems is for the real-time head force value of the inner each point of measuring system;
Data acquisition system (DAS) is used for head pressure is gone the rounds to detect, and the real time data of delivery head pressure links to each other with pressure sensor systems;
Image capturing system is used for the in real time water movement process of seizure pipeline-Fracture Networks structured media model;
Pipeline-Fracture Networks structured media model, the ratio by regulating crack width, line size, crack and pipeline etc. is simulated different hydrology sights, and links to each other with pressure sensor systems by mozzle;
Computing machine is used for the robotization reading out data and gathers image, links to each other with image capturing system with data acquisition system (DAS).
2. the experimental provision of monitoring pipeline according to claim 1-crack current characteristics of motion, it is characterized in that: described pipeline-Fracture Networks structured media model comprises two poly (methyl methacrylate) plates, be sandwiched in the some plexiglass blocks between two poly (methyl methacrylate) plates and be sandwiched in thin layer pad between the adjacent plexiglass block, a described poly (methyl methacrylate) plate is provided with the draw-in groove that cooperates with plexiglass block, described plexiglass block is mobile under the guiding of draw-in groove, forms the Fracture Networks structure between the described plexiglass block.
3. the experimental provision of monitoring pipeline according to claim 2-crack current characteristics of motion, it is characterized in that: described pipeline-Fracture Networks structured media model also comprises water inlet, water delivering orifice, described some plexiglass blocks have some different sizes, and described thin layer pad has some different-thickness.
4. the experimental provision of monitoring pipeline according to claim 1-crack current characteristics of motion, it is characterized in that: described pressure sensor systems comprises the experimental provision of a series of pressure transducers and a fixation pressure sensor.
5. the experimental provision of monitoring pipeline according to claim 1-crack current characteristics of motion, it is characterized in that: described data acquisition system (DAS) comprises two loggings and a power supply.
6. the experimental provision of monitoring pipeline according to claim 1-crack current characteristics of motion, it is characterized in that: described image capturing system comprises a high-definition camera instrument.
7. according to claim 2 or the experimental provision of 3 described monitoring pipeline-crack current characteristics of motion, it is characterized in that: described pipeline-Fracture Networks structured media model is provided with some pressure taps that are communicated with pipeline and crack, and described pressure tap is connected to pressure sensor systems by conduit.
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| CN106092850A (en) * | 2016-06-07 | 2016-11-09 | 河海大学 | A kind of experimental provision monitoring hole water-soluble matter migration rule |
| CN106323591A (en) * | 2016-09-12 | 2017-01-11 | 山东大学 | Observing device and method for filler changing process at different water flow velocities |
| CN106546707A (en) * | 2015-09-19 | 2017-03-29 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of multifunctional fracture medium subsoil water assay device |
| CN108169413A (en) * | 2017-11-30 | 2018-06-15 | 河海大学 | A kind of cube test device and its experimental method for monitoring karst medium water movement mechanism |
| CN108802329A (en) * | 2018-04-19 | 2018-11-13 | 山东科技大学 | A kind of shearing-two phase flow experiment box in Single Fracture, system and method |
| CN108931821A (en) * | 2018-05-30 | 2018-12-04 | 河海大学 | Karst water sport and solute transfer process three dimensional taest device under the effect of human activity |
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