CN113552315B - Multifunctional transparent soil model test master control system device and application method thereof - Google Patents
Multifunctional transparent soil model test master control system device and application method thereof Download PDFInfo
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- CN113552315B CN113552315B CN202110648632.9A CN202110648632A CN113552315B CN 113552315 B CN113552315 B CN 113552315B CN 202110648632 A CN202110648632 A CN 202110648632A CN 113552315 B CN113552315 B CN 113552315B
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- 239000002689 soil Substances 0.000 title claims abstract description 110
- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 8
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims abstract description 4
- 238000004458 analytical method Methods 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000003631 expected effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
Abstract
The invention discloses a multifunctional transparent soil model test master control system device and a use method thereof, wherein the method comprises the following steps: 1) Connecting the working platform with the main structure system, the acquisition system and the temperature control system, and debugging; 2) Opening a sealing door, and conveying a transparent soil model groove used for the test to an optical platform through a model groove track; 3) Closing the sealing door, starting the semiconductor temperature changing piece, and adjusting the temperature in the incubator to a test preset value; 4) Adjusting the positions and angles of a CCD camera and a laser; 5) Carrying out transparent soil model test in the incubator, and continuously shooting and recording the soil displacement and deformation, porosity change, soil particle position adjustment, crushing and other conditions in the transparent soil model groove by using a CCD camera; 6) And combining with PIV image processing technology, analyzing and processing the shooting result of the CCD camera by using a working platform computer. The device has the advantages of simple structure, high automation degree, convenient operation and strong functionality, greatly improves the test efficiency, and is suitable for various test working conditions.
Description
Technical Field
The invention relates to the technical field of transparent soil model tests, in particular to a multifunctional transparent soil model test master control system device and a use method thereof.
Background
In recent years, the construction and operation of large-scale infrastructures such as expressways, high-speed railways, ports, airports, urban rail transit, municipal engineering and the like in China are rapidly developed. Meanwhile, the problem of complex geotechnical engineering is continuously presented. In order to achieve different test purposes and engineering requirements, related researchers have developed various instruments and devices, but the internal characteristics of the rock and soil and the underground structure when damaged cannot be known. In order to obtain the internal characteristics of the rock-soil and underground structure when being damaged, the traditional method is to embed a series of discrete sensors in the rock-soil body for measurement to obtain a displacement field, a stress field and the like in the rock-soil body. Thus, visual model test techniques based on transparent earth materials and digital image processing techniques have been vigorously developed with their unique advantages.
The transparent soil test equipment system mainly comprises transparent soil materials, a CCD high-speed industrial camera, a laser light source, a damping type optical platform, model test equipment, an image processing system and the like. Based on the transparent soil test technology method, relevant scholars at home and abroad have developed effective research work, and have developed a certain early-stage attempt in the aspect of test equipment development. However, the current transparent soil model test device does not form a comprehensive system, has single functions, is not automatic enough, and is time-consuming and labor-consuming in model carrying, camera adjustment and the like. In addition, one of the key points of success and failure of the transparent soil is that the transparency of the transparent soil is influenced by temperature, so that a temperature control system is required to be arranged in the transparent soil model test system, the transparent soil model test is ensured to be carried out in a constant temperature environment, and the change range of the temperature is required to meet the requirement of the refractive index of mineral oil.
Therefore, development of a transparent soil model test master control system device capable of automatically transporting transparent soil materials, integrating an acquisition system and a temperature control system, freely adjusting the position and angle of a laser of a camera and controlling the temperature of a test environment is needed.
Disclosure of Invention
The invention aims to provide a multifunctional transparent soil model test master control system device and a use method thereof.
The technical scheme adopted for realizing the purpose of the invention is that the multifunctional transparent soil model test main control system device comprises a control analysis table, a main structure system, an acquisition system and a temperature control system.
The temperature control system comprises an incubator table, an incubator, a temperature sensor and a semiconductor temperature changing piece, wherein the incubator is a rectangular box body with a hollow interior and an open lower end, and the lower port of the incubator is buckled on the incubator table. The semiconductor temperature changing pieces are uniformly arranged on the inner wall of the incubator.
The main structure system comprises an optical platform, an upright post, a U-shaped cross beam, a model groove track, a transparent soil model groove and a CCD camera track.
The square optical platform is positioned in the incubator and fixed on the incubator table, and the temperature sensor is arranged on the optical platform. The center department of optical platform upper surface is provided with the rectangle recess, has all offered the passageway that supplies the installation of CCD camera track on two adjacent lateral walls of rectangle recess, and every passageway all runs through the lateral wall of optical platform.
Two mutually perpendicular and crossing CCD camera tracks are respectively installed in the two channels, one end of each CCD camera track is contacted with the inner wall of the rectangular groove, and the other end of each CCD camera track extends out of the channel.
An opening for the model groove track and the transparent soil model groove to pass through is arranged on one side wall of the incubator, and a sealing door is connected to the opening in a sliding manner. The bottom of the opening is flush with the upper surface of the optical bench.
One end of the model groove track is arranged on the optical platform and extends to the center of the optical platform, the other end of the model groove track penetrates through the opening and extends out of the incubator, the sliding trolley I is arranged on the model groove track, and the transparent soil model groove is arranged on the sliding trolley I. The transparent soil model groove and the sliding trolley I are both made of transparent materials.
The four stand columns are respectively fixed on four corners of the upper surface of the optical platform, the U-shaped cross beam is arranged at the upper ends of the four stand columns, and the opening direction of the U-shaped cross beam is opposite to one end of the model groove rail extending out of the incubator.
The U-shaped cross beam comprises a cross beam I, a cross beam II and a cross beam III which are sequentially connected, wherein the cross beam I and the cross beam III are parallel to the model groove track, and the cross beam II is perpendicular to the model groove track.
The acquisition system comprises telescopic rods, spherical hinges, CCD cameras and lasers, the upper ends of the two telescopic rods are both connected to the cross beam I in a sliding mode, and the lower ends of the two telescopic rods are respectively connected with the CCD cameras and the lasers through the spherical hinges. The upper ends of the two telescopic rods are both connected to the cross beam II in a sliding manner, and the lower ends of the two telescopic rods are respectively connected with a CCD camera and a laser through spherical hinges. The upper end of the telescopic rod is connected to the cross beam III in a sliding manner, and the lower end of the telescopic rod is connected with a laser through a spherical hinge. One CCD camera is connected to the CCD camera track in a sliding way through a sliding trolley II.
During the test, fill transparent soil in transparent soil model inslot, the user is through controlling the outside of analysis platform control transparent soil model inslot from the thermostated container and slide into the thermostated container, and transparent soil model inslot is parked in the positive center of optical platform. And sliding and closing the sealing door, starting the semiconductor temperature changing sheet, and adjusting the temperature in the incubator to a test preset value. The heights and angles of the CCD cameras and the lasers on the U-shaped cross beam are adjusted through the control analysis platform, the CCD cameras on the CCD camera track are controlled to slide, after the positions of the CCD cameras and the lasers are adjusted, the CCD cameras continuously shoot and send collected information to the control analysis platform, and the control analysis platform analyzes and processes the collected information.
Further, the cross-sectional area of the transparent soil model groove is consistent with the cross-sectional area of the rectangular groove.
Further, all be provided with the slide rail on crossbeam I, crossbeam II and the crossbeam III of U type crossbeam, the upper end of every telescopic link all is connected with the spout with this slide rail assorted, and the upper end of telescopic link passes through spout and U type crossbeam sliding connection.
Further, the transparent soil model groove and the sliding trolley I are both made of transparent organic glass.
Further, the temperature sensor is made of platinum resistance.
Further, the opening and the sealing door are rectangular, vertical sliding grooves are formed in two vertical inner walls of the opening, two vertical edges of the sealing door are respectively inserted into the two vertical sliding grooves, and a cavity S for accommodating the sealing door is formed in the top of the opening.
When the sealing door is opened, the sealing door slides upwards along the vertical sliding groove of the opening and retreats into the cavity S. When the sealing door is closed, the sealing door slides downwards along the vertical sliding groove of the opening and abuts against the lower edge of the opening.
Further, the lower edge of the sealing door is provided with a notch, a rubber plug is arranged in the notch, and when the sealing door is closed, the rubber plug at the lower edge of the sealing door is tightly buckled with the model groove track.
Further, the lateral wall of incubator includes inlayer and skin, and it has the heat preservation to fill between inlayer and the skin.
The inner layer and the outer layer are both stainless steel plates, and the heat preservation layer is heat preservation cotton.
The application method of the multifunctional transparent soil model test master control system device comprises the following steps of:
1) And assembling and debugging the control analysis platform, the main structure system, the acquisition system and the temperature control system.
2) And opening the sealing door, controlling the analysis platform to control the transparent soil model groove to slide into the incubator from the outer side of the incubator, and staying at the appointed position of the optical platform.
3) Closing the sealing door, starting the semiconductor temperature changing sheet, and adjusting the temperature in the incubator to a test preset value.
4) And adjusting the positions and angles of the CCD cameras and the lasers until the pictures acquired by the CCD cameras reach the expected test effect.
5) And carrying out transparent soil model test in the incubator, and continuously shooting and recording displacement, deformation, porosity change, soil particle position adjustment and crushing conditions of the soil body in the transparent soil model groove by using a CCD camera.
6) And the control analysis platform adopts an PIV image processing method to analyze and process the shooting result of the CCD camera.
7) And after the test is finished, closing the semiconductor temperature changing sheet, opening the sealing door, removing the transparent soil model groove, and taking out the soil material.
The invention has the beneficial effects that:
1. the device has the advantages of simple structure, high degree of automation, convenient operation and strong functionality, greatly improves the test efficiency, and is suitable for various test working conditions;
2. the workload of soil material transportation during transparent soil model test is reduced, the test efficiency is improved, and the test period is shortened;
3. the positions and angles of the CCD camera and the laser can be freely adjusted, so that displacement deformation conditions of the soil in three directions can be obtained;
4. the test is carried out in a closed incubator, the test temperature can be adjusted, and the transparency of the transparent soil is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the device of the present invention;
FIG. 2 is a schematic view of the internal structure of the incubator at a first view angle;
FIG. 3 is a second view schematic diagram of the internal structure of the incubator;
FIG. 4 is a schematic diagram of the connection of a CCD camera, a laser, and a telescopic rod;
FIG. 5 is a cross-sectional view of an optical bench;
FIG. 6 is a schematic view of the external structure of the incubator;
FIG. 7 is a schematic view of the oven cavity;
fig. 8 is a schematic view of a seal door.
In the figure: the control analysis table 1, the incubator table 201, the incubator 202, the opening 2021, the seal door 2022, the rubber stopper 20221, the temperature sensor 203, the semiconductor temperature changing sheet 204, the optical platform 301, the rectangular groove 3011, the passage 3012, the column 302, the U-shaped cross beam 303, the model groove track 304, the transparent soil model groove 305, the CCD camera track 306, the slide carriage i 307, the telescopic rod 401, the slide groove 4011, the spherical hinge 402, the CCD camera 403, and the laser 404.
Detailed Description
The present invention is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present invention is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the invention, and all such substitutions and alterations are intended to be included in the scope of the invention.
Example 1:
the embodiment discloses a multi-functional transparent soil model test master control system device, including controlling analysis platform 1, main structure system, acquisition system and temperature control system.
The temperature control system comprises an incubator stage 201, an incubator 202, a temperature sensor 203 and a semiconductor temperature changing sheet 204, wherein the incubator 202 is a rectangular box body with a hollow interior and an open lower end, and the lower port of the incubator 202 is buckled on the incubator stage 201, see fig. 6. Referring to fig. 7, a plurality of semiconductor temperature changing pieces 204 are uniformly arranged on the inner wall of the incubator 202, the temperature change range of the semiconductor temperature changing pieces 204 is 0-100 ℃, and the temperature control precision meets the requirements of +/-0.01 ℃. The temperature sensor 203 is made of platinum resistor. The side wall of the incubator 202 comprises an inner layer and an outer layer, an insulation layer is filled between the inner layer and the outer layer, the inner layer and the outer layer are stainless steel plates with the thickness of 1.5cm, and the insulation layer is ultrafine insulation cotton with the thickness of 50 mm.
The main structural system comprises an optical platform 301, a column 302, a U-shaped beam 303, a model groove track 304, a transparent soil model groove 305 and a CCD camera track 306.
Referring to fig. 1, the optical stage 301 having a square shape is positioned in the oven 202 and fixed to the oven table 201, and referring to fig. 2, the temperature sensor 203 is provided on the optical stage 301. Referring to fig. 5, a rectangular groove 3011 is disposed at the center of the upper surface of the optical platform 301, and two adjacent side walls of the rectangular groove 3011 are provided with channels 3012 for mounting the CCD camera rail 306, and each channel 3012 penetrates through a side wall of the optical platform 301.
Two mutually perpendicular and intersecting CCD camera tracks 306 are mounted in the two channels 3012 by bolts, respectively, one end of each CCD camera track 306 is in contact with the inner wall of the rectangular groove 3011, and the other end extends out of the channel 3012.
Referring to fig. 1 or 6, an opening 2021 for allowing the model groove track 304 and the transparent soil model groove 305 to pass through is formed on one side wall of the incubator 202, and a sealing door 2022 is slidably connected to the opening 2021. The bottom of the opening 2021 is flush with the upper surface of the optical stage 301.
The opening 2021 and the sealing door 2022 are rectangular, vertical sliding grooves are formed in two vertical inner walls of the opening 2021, two vertical edges of the sealing door 2022 are respectively inserted into the two vertical sliding grooves, and a cavity S for accommodating the sealing door 2022 is formed in the top of the opening 2021.
When the seal door 2022 is opened, the seal door 2022 slides up the vertical chute of the opening 2021 and retreats into the cavity S. When the seal door 2022 is closed, the seal door 2022 slides down the vertical chute of the opening 2021 and abuts against the lower edge of the opening 2021.
Referring to fig. 8, a notch is provided at the lower edge of the sealing door 2022, a rubber plug 20221 is provided in the notch, and when the sealing door 2022 is closed, the rubber plug 20221 at the lower edge of the sealing door 2022 is tightly buckled with the model groove track 304, so as to enhance the tightness.
One end of the model groove track 304 is mounted on the optical platform 301 through bolts and extends to the center of the optical platform 301, the other end passes through the opening 2021 and extends out of the incubator 202, see fig. 2 or 3, a sliding trolley i 307 is mounted on the model groove track 304, and the transparent soil model groove 305 is mounted on the sliding trolley i 307. The transparent soil mold tank 305 and the sliding trolley I307 are both made of transparent plexiglas. The cross-sectional area of the transparent soil pattern groove 305 is identical to that of the rectangular groove 3011, and when it is desired to photograph the transparent soil material in the transparent soil pattern groove 305, the transparent soil pattern groove 305 is required to slide to the center of the optical platform 301 and align with the rectangular groove 3011.
Referring to fig. 1 or 2, four upright posts 302 are respectively fixed on four corners of the upper surface of the optical platform 301 by bolts, a U-shaped beam 303 is mounted on the upper ends of the four upright posts 302, and the opening direction of the U-shaped beam 303 is opposite to the end of the model groove rail 304, which extends out of the incubator 202.
The U-shaped cross beam 303 comprises a cross beam I, a cross beam II and a cross beam III which are sequentially connected, wherein the cross beam I and the cross beam III are parallel to the model groove track 304, and the cross beam II is perpendicular to the model groove track 304.
Referring to fig. 1 or 2, the acquisition system includes a telescopic rod 401, a spherical hinge 402, a CCD camera 403 and a laser 404, the upper ends of the two telescopic rods 401 are both slidably connected to the cross beam i, and the lower ends of the two telescopic rods 401 are respectively connected with the CCD camera 403 and the laser 404 through the spherical hinge 402. The upper ends of the two telescopic rods 401 are both connected to the cross beam II in a sliding manner, and the lower ends of the two telescopic rods 401 are respectively connected with a CCD camera 403 and a laser 404 through a spherical hinge 402. The upper end of one telescopic rod 401 is slidably connected to a cross beam iii, and the lower end of the telescopic rod 401 is connected to a laser 404 through a spherical hinge 402. One of the CCD cameras 403 is slidably connected to the CCD camera track 306 by a sliding trolley ii.
The beams I, II and III of the U-shaped beam 303 are respectively provided with a sliding rail, as shown in fig. 4, the upper end of each telescopic rod 401 is connected with a sliding groove 4011 matched with the sliding rail, and the upper end of each telescopic rod 401 is in sliding connection with the U-shaped beam 303 through the sliding groove 4011.
The control analysis platform 1 is used for controlling the opening and closing of the sealing door 2022, the movement of the transparent soil model groove 305, the position and angle change of the CCD camera 403, the position and angle change of the laser 404, the temperature adjustment in the incubator 202 and the image processing analysis.
In the test, the transparent soil model groove 305 is filled with transparent soil, and a user controls the transparent soil model groove 305 to slide into the incubator 202 from the outer side of the incubator 202 by controlling the analysis table 1, and the transparent soil model groove 305 is parked at the center of the optical platform 301. Sliding and closing the sealing door 2022 to make the incubator 202 in a closed state, starting the semiconductor temperature changing sheet 204, and adjusting the temperature in the incubator 202 to a test preset value. The heights and angles of the CCD cameras 403 and the lasers 404 on the U-shaped beam 303 are adjusted through the control analysis platform 1, the CCD cameras 403 on the CCD camera track 306 are controlled to slide, after the positions of the CCD cameras 403 and the lasers 404 are adjusted, the CCD cameras 403 continuously shoot at a shooting rate of more than 50 frames/second, and the acquired information is sent to the control analysis platform 1, and the control analysis platform 1 analyzes the acquired information. During the test, the thickness of the laser 404 is required to be not more than 1mm, and the power is required to be more than 5W.
Example 2:
the embodiment discloses a method for using the multifunctional transparent soil model test master control system device based on the embodiment 1, which comprises the following steps:
1) And assembling and debugging the control analysis platform 1, the main structure system, the acquisition system and the temperature control system.
2) The sealing door 2022 is opened, and the manipulation analysis table 1 controls the transparent soil model tank 305 to slide into the incubator 202 from the outside of the incubator 202 and stay at the specified position of the optical platform 301.
3) The sealing door 2022 is closed, the semiconductor temperature changing piece 204 is started, and the temperature in the incubator 202 is adjusted to a test preset value.
4) And adjusting the positions and angles of the CCD camera 403 and the laser 404 until the pictures acquired by the CCD camera 403 reach the expected effect of the test.
5) A transparent soil model test is carried out in the incubator 202, and the displacement, deformation, porosity change, soil particle position adjustment and crushing conditions of the soil body in the transparent soil model groove 305 are continuously shot and recorded by the CCD camera 403.
6) The manipulation analysis platform 1 analyzes and processes the shooting result of the CCD camera 403 by adopting a PIV image processing method.
7) After the test is completed, the semiconductor temperature changing piece 204 is closed, the sealing door 2022 is opened, the transparent soil model groove 305 is removed, and the soil material is taken out.
Example 3:
the embodiment discloses a multi-functional transparent soil model test master control system device, including controlling analysis platform 1, main structure system, acquisition system and temperature control system.
The temperature control system comprises an incubator stage 201, an incubator 202, a temperature sensor 203 and a semiconductor temperature changing sheet 204, wherein the incubator 202 is a rectangular box body with a hollow interior and an open lower end, and the lower port of the incubator 202 is buckled on the incubator stage 201, see fig. 6. Referring to fig. 7, a plurality of the semiconductor temperature changing pieces 204 are uniformly arranged on the inner wall of the oven 202.
The main structural system comprises an optical platform 301, a column 302, a U-shaped beam 303, a model groove track 304, a transparent soil model groove 305 and a CCD camera track 306.
Referring to fig. 1, the optical stage 301 having a square shape is positioned in the oven 202 and fixed to the oven table 201, and referring to fig. 2, the temperature sensor 203 is provided on the optical stage 301. Referring to fig. 5, a rectangular groove 3011 is disposed at the center of the upper surface of the optical platform 301, and two adjacent side walls of the rectangular groove 3011 are provided with channels 3012 for mounting the CCD camera rail 306, and each channel 3012 penetrates through a side wall of the optical platform 301.
Two mutually perpendicular and intersecting CCD camera tracks 306 are mounted in the two channels 3012, respectively, one end of each CCD camera track 306 being in contact with the inner wall of the rectangular recess 3011 and the other end extending out of the channel 3012.
Referring to fig. 1 or 6, an opening 2021 for allowing the model groove track 304 and the transparent soil model groove 305 to pass through is formed on one side wall of the incubator 202, and a sealing door 2022 is slidably connected to the opening 2021. The bottom of the opening 2021 is flush with the upper surface of the optical stage 301.
One end of the model groove track 304 is mounted on the optical platform 301 and extends to the center of the optical platform 301, the other end passes through the opening 2021 and protrudes out of the incubator 202, see fig. 2 or 3, the model groove track 304 is mounted with the sliding trolley i 307, and the transparent soil model groove 305 is mounted on the sliding trolley i 307. The transparent soil mold tank 305 and the sliding trolley I307 are both made of transparent materials.
Referring to fig. 1 or 2, four upright posts 302 are respectively fixed on four corners of the upper surface of the optical platform 301, a U-shaped beam 303 is mounted on the upper ends of the four upright posts 302, and the opening direction of the U-shaped beam 303 extends out of one end of the incubator 202 away from the model groove track 304.
The U-shaped cross beam 303 comprises a cross beam I, a cross beam II and a cross beam III which are sequentially connected, wherein the cross beam I and the cross beam III are parallel to the model groove track 304, and the cross beam II is perpendicular to the model groove track 304.
Referring to fig. 1 or 2, the acquisition system includes a telescopic rod 401, a spherical hinge 402, a CCD camera 403 and a laser 404, the upper ends of the two telescopic rods 401 are both slidably connected to the cross beam i, and the lower ends of the two telescopic rods 401 are respectively connected with the CCD camera 403 and the laser 404 through the spherical hinge 402. The upper ends of the two telescopic rods 401 are both connected to the cross beam II in a sliding manner, and the lower ends of the two telescopic rods 401 are respectively connected with a CCD camera 403 and a laser 404 through a spherical hinge 402. The upper end of one telescopic rod 401 is slidably connected to a cross beam iii, and the lower end of the telescopic rod 401 is connected to a laser 404 through a spherical hinge 402. One of the CCD cameras 403 is slidably connected to the CCD camera track 306 by a sliding trolley ii.
In the test, the transparent soil model groove 305 is filled with transparent soil, and a user controls the transparent soil model groove 305 to slide into the incubator 202 from the outer side of the incubator 202 by controlling the analysis table 1, and the transparent soil model groove 305 is parked at the center of the optical platform 301. Sliding and closing the seal door 2022, activating the semiconductor temperature changing plate 204, and adjusting the temperature in the oven 202 to a test predetermined value. The heights and angles of the CCD cameras 403 and the lasers 404 on the U-shaped beam 303 are adjusted through the control analysis platform 1, the CCD cameras 403 on the CCD camera track 306 are controlled to slide, after the positions of the CCD cameras 403 and the lasers 404 are adjusted, the CCD cameras 403 continuously shoot and send collected information to the control analysis platform 1, and the control analysis platform 1 analyzes and processes the collected information.
Example 4:
the main structure of this embodiment is the same as that of embodiment 3, and further, the cross-sectional area of the transparent soil model groove 305 is identical to that of the rectangular groove 3011, and when the transparent soil material in the transparent soil model groove 305 needs to be photographed, the transparent soil model groove 305 needs to slide to the center of the optical platform 301 and align with the rectangular groove 3011.
Example 5:
the main structure of this embodiment is the same as that of embodiment 4, and further, the beams i, ii and iii of the U-shaped beam 303 are all provided with sliding rails, see fig. 4, and the upper end of each telescopic rod 401 is connected with a sliding chute 4011 matched with the sliding rail, and the upper end of the telescopic rod 401 is slidably connected with the U-shaped beam 303 through the sliding chute 4011.
Example 6:
the main structure of this embodiment is the same as that of embodiment 5, and further, the transparent soil model groove 305 and the sliding trolley i 307 are made of transparent organic glass, so that the CCD camera 403 can take photos conveniently.
Example 7:
the main structure of this embodiment is the same as that of embodiment 6, and further, the temperature sensor 203 is made of platinum resistor.
Example 8:
the main structure of this embodiment is the same as that of embodiment 7, further, the opening 2021 and the sealing door 2022 are rectangular, vertical sliding grooves are formed on two vertical inner walls of the opening 2021, two vertical edges of the sealing door 2022 are respectively inserted into the two vertical sliding grooves, and a cavity S for accommodating the sealing door 2022 is formed at the top of the opening 2021.
When the seal door 2022 is opened, the seal door 2022 slides up the vertical chute of the opening 2021 and retreats into the cavity S. When the seal door 2022 is closed, the seal door 2022 slides down the vertical chute of the opening 2021 and abuts against the lower edge of the opening 2021.
Example 9:
the main structure of this embodiment is the same as that of embodiment 8, further referring to fig. 8, a notch is provided at the lower edge of the sealing door 2022, and a rubber plug 20221 is provided in the notch, and when the sealing door 2022 is closed, the rubber plug 20221 at the lower edge of the sealing door 2022 is tightly buckled with the model groove track 304.
Example 10:
the main structure of this embodiment is the same as that of embodiment 9, and further, the side wall of the incubator 202 includes an inner layer and an outer layer, and an insulation layer is filled between the inner layer and the outer layer. The inner layer and the outer layer are both stainless steel plates, and the heat preservation layer is heat preservation cotton.
Claims (8)
1. A multifunctional transparent soil model test master control system device is characterized in that: comprises a control analysis platform (1), a main structure system, an acquisition system and a temperature control system;
the temperature control system comprises an incubator table (201), an incubator (202), a temperature sensor (203) and a semiconductor temperature changing piece (204), wherein the incubator (202) is a rectangular box body with a hollow interior and an open lower end, and the lower end opening of the incubator (202) is buckled on the incubator table (201); the semiconductor temperature changing pieces (204) are uniformly arranged on the inner wall of the incubator (202);
the main structure system comprises an optical platform (301), a stand column (302), a U-shaped cross beam (303), a model groove track (304), a transparent soil model groove (305) and a CCD camera track (306);
the square optical platform (301) is positioned in the incubator (202) and fixed on the incubator table (201), and the temperature sensor (203) is arranged on the optical platform (301); a rectangular groove (3011) is formed in the center of the upper surface of the optical platform (301), channels (3012) for installing CCD camera tracks (306) are formed in two adjacent side walls of the rectangular groove (3011), and each channel (3012) penetrates through the side wall of the optical platform (301);
two mutually perpendicular and intersected CCD camera tracks (306) are respectively arranged in the two channels (3012), one end of each CCD camera track (306) is in contact with the inner wall of the rectangular groove (3011), and the other end of each CCD camera track extends out of the channel (3012);
an opening (2021) for allowing the model groove track (304) and the transparent soil model groove (305) to pass through is formed in one side wall of the incubator (202), and a sealing door (2022) is connected to the opening (2021) in a sliding manner; the bottom of the opening (2021) is flush with the upper surface of the optical platform (301);
one end of the model groove track (304) is arranged on the optical platform (301) and extends to the center of the optical platform (301), the other end of the model groove track (304) penetrates through the opening (2021) and extends out of the incubator (202), the sliding trolley I (307) is arranged on the model groove track (304), and the transparent soil model groove (305) is arranged on the sliding trolley I (307); the transparent soil model groove (305) and the sliding trolley I (307) are both made of transparent materials;
the four stand columns (302) are respectively fixed on four corners of the upper surface of the optical platform (301), the U-shaped cross beam (303) is arranged at the upper ends of the four stand columns (302), and the opening direction of the U-shaped cross beam (303) is opposite to one end of the model groove track (304) extending out of the incubator (202);
the U-shaped cross beam (303) comprises a cross beam I, a cross beam II and a cross beam III which are sequentially connected, wherein the cross beam I and the cross beam III are parallel to the model groove track (304), and the cross beam II is perpendicular to the model groove track (304); sliding rails are arranged on the cross beam I, the cross beam II and the cross beam III of the U-shaped cross beam (303);
the acquisition system comprises telescopic rods (401), spherical hinges (402), CCD cameras (403) and lasers (404), the upper ends of the two telescopic rods (401) are both connected to the cross beam I in a sliding mode, and the lower ends of the two telescopic rods (401) are respectively connected with the CCD cameras (403) and the lasers (404) through the spherical hinges (402); the upper ends of the two telescopic rods (401) are both connected to the cross beam II in a sliding manner, and the lower ends of the two telescopic rods (401) are respectively connected with a CCD camera (403) and a laser (404) through a spherical hinge (402); the upper end of the telescopic rod (401) is connected to the cross beam III in a sliding way, and the lower end of the telescopic rod (401) is connected with a laser (404) through a spherical hinge (402); one of the CCD cameras (403) is slidably connected to the CCD camera track (306) through a sliding trolley II; the upper end of each telescopic rod (401) is connected with a sliding groove (4011) matched with the sliding rail, and the upper end of each telescopic rod (401) is in sliding connection with the U-shaped cross beam (303) through the sliding groove (4011);
during the test, transparent soil is filled in the transparent soil model groove (305), a user controls the transparent soil model groove (305) to slide into the incubator (202) from the outer side of the incubator (202) through controlling the analysis platform (1), and the transparent soil model groove (305) is parked at the center of the optical platform (301); sliding and closing the sealing door (2022), starting the semiconductor temperature changing sheet (204), and adjusting the temperature in the constant temperature box (202) to a test preset value; through the height and the angle of CCD camera (403) and laser instrument (404) on controlling analysis platform (1) adjustment U type crossbeam (303), CCD camera (403) on control CCD camera track (306) slide, after the position adjustment of each CCD camera (403) and laser instrument (404) finishes, CCD camera (403) continuously shoots and sends the collection information to controlling analysis platform (1), controls analysis platform (1) and carries out analysis processing to the collection information.
2. The multifunctional transparent soil model test master control system device according to claim 1, wherein: the cross-sectional area of the transparent soil model groove (305) is consistent with the cross-sectional area of the rectangular groove (3011).
3. The multifunctional transparent soil model test master control system device according to claim 1 or 2, wherein: the transparent soil model groove (305) and the sliding trolley I (307) are both made of transparent organic glass.
4. The multifunctional transparent soil model test master control system device according to claim 1, wherein: the temperature sensor (203) is made of platinum resistor.
5. The multifunctional transparent soil model test master control system device according to claim 1, wherein: the opening (2021) and the sealing door (2022) are rectangular, vertical sliding grooves are formed in two vertical inner walls of the opening (2021), two vertical edges of the sealing door (2022) are respectively inserted into the two vertical sliding grooves, and a cavity S for accommodating the sealing door (2022) is formed in the top of the opening (2021);
when the sealing door (2022) is opened, the sealing door (2022) slides upwards along the vertical sliding chute of the opening (2021) and retreats into the cavity S; when the sealing door (2022) is closed, the sealing door (2022) slides down the vertical chute of the opening (2021) and abuts against the lower edge of the opening (2021).
6. The multifunctional transparent soil model test master control system device according to claim 5, wherein: the lower edge of the sealing door (2022) is provided with a notch, a rubber plug (20221) is arranged in the notch, and when the sealing door (2022) is closed, the rubber plug (20221) at the lower edge of the sealing door (2022) is tightly buckled with the model groove track (304).
7. The multifunctional transparent soil model test master control system device according to claim 1, wherein: the side wall of the incubator (202) comprises an inner layer and an outer layer, and an insulation layer is filled between the inner layer and the outer layer;
the inner layer and the outer layer are both stainless steel plates, and the heat preservation layer is heat preservation cotton.
8. The method for using the multifunctional transparent soil model test master control system device based on the invention as claimed in claim 1 is characterized in that: the method comprises the following steps:
1) Assembling and debugging the control analysis platform (1), the main structure system, the acquisition system and the temperature control system;
2) Opening the sealing door (2022), controlling the analysis platform (1) to control the transparent soil model groove (305) to slide into the incubator (202) from the outer side of the incubator (202) and stay at the designated position of the optical platform (301);
3) Closing the sealing door (2022), starting the semiconductor temperature changing sheet (204), and adjusting the temperature in the incubator (202) to a test preset value;
4) The positions and angles of the CCD cameras (403) and the lasers (404) are adjusted until the pictures acquired by the CCD cameras (403) reach the expected effect of the test;
5) Carrying out a transparent soil model test in the incubator (202), and continuously shooting and recording displacement, deformation, porosity change, soil particle position adjustment and crushing conditions of a soil body in the transparent soil model groove (305) by using a CCD (charge coupled device) camera (403);
6) The control analysis platform (1) adopts an PIV image processing method to analyze and process the shooting result of the CCD camera (403);
7) After the test is finished, the semiconductor temperature changing piece (204) is closed, the sealing door (2022) is opened, the transparent soil model groove (305) is removed, and the soil material is taken out.
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