CN103063198B - Space-time correlation measurement and control system for underwater micro topographic variation - Google Patents
Space-time correlation measurement and control system for underwater micro topographic variation Download PDFInfo
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- CN103063198B CN103063198B CN201210587361.1A CN201210587361A CN103063198B CN 103063198 B CN103063198 B CN 103063198B CN 201210587361 A CN201210587361 A CN 201210587361A CN 103063198 B CN103063198 B CN 103063198B
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Abstract
The invention provides a space-time correlation measurement and control system for underwater micro topographic variation. Two ends of an inclined rod of an upper fixed bracket are fixedly connected with transverse rods respectively; the two ends of a longitudinal rod are fixedly connected with the transverse rods respectively; a vernier depth gauge is arranged on the longitudinal rod; the vernier depth gauge penetrates through a sensor fixing flat plate; a supporting rod is arranged at the lower part of the sensor fixing flat plate; the vernier depth gauge is fixed through a U-shaped clip on the supporting rod; a screw rod of each sensor fixing rod is fixedly connected with a first end of a stainless steel pipe after penetrating through the sensor fixing flat plate; and each ultrasonic transducer is arranged at a second end of the stainless steel pipe. According to the invention, difficulty problems in underwater micro topographic dynamic continuous measurement in flume experiment and a river model test are solved; the space-time correlation measurement and control system for the underwater micro topographic variation, provided by the invention, has the advantages of simple structure, reasonable sensor layout and higher application value; and a simple and feasible measurement method is provided for in-depth study on interaction between water and sediment, morphological development of a bed surface, variation of the bed surface and motion of the bed surface.
Description
Technical field
The present invention relates to the temporal and spatial correlations TT&C system of a kind of underwater micro topographic change, belong to underwater topography exploration engineering field.
Background technology
River dynamics is the husky interactional science of research water, and the silt of general river bed surface can form rich and varied Shoal bar under the effect of current.Shoal bar can impact the current flowed through on it, and the turbulent fluctuation that nearly bottom face is current occurs and the main region of development, and horizontal, the vertical scale of Shoal bar and dynamic deformation thereof all can cause the change of flow turbulent structure.
In view of the complex nature of the problem, and directly measure the Shoal bar of natural river course and current and interact and also have difficulties, present stage also concentrates in the lab Shoal bar and current repercussion study, and research mode generally adopts flume test or river model test to carry out.The motion of Shoal bar is the embodiment of sand grain group movement, general in three-dimensional configuration, Shoal bar, under the continuous action of current, its shape, highly constantly to change, different parts height is different, shows as the passing distortion of Shoal bar local deformation and general morphology.To the scale size of Shoal bar under water, time dependent dynamic process carry out Measurement accuracy be research its to the basis of flow action.
Generally adopt manual measurement method in the lab at present: after forming Shoal bar in current, water in tank or river model test is bled off, then artificial chaining pin is adopted to measure the height of each point, the planimetric position of mobile chaining pin, to the quantized data that can obtain bed surface mima type microrelief after multiple measurement.
Because chaining pin under river channels can impact bed surface, manual measurement must first water be drained after carry out, the dynamic development process of Shoal bar cannot be measured; And the measurement of difference is realized by the planimetric position of mobile chaining pin, wastes time and energy.
Summary of the invention
The present invention solves the dynamic development process cannot measuring Shoal bar existed in the measuring technique of existing Shoal bar under water, and the measurement of difference needs the problem being realized, expended more manpower and time by the planimetric position of mobile chaining pin, and then provide the temporal and spatial correlations TT&C system of a kind of underwater micro topographic change.For this reason, the invention provides following technical scheme:
A temporal and spatial correlations TT&C system for underwater micro topographic change, comprising: top fixed support, vernier depth gauge, sensor fixed flat planar, several sensor fixed bar and array of ultrasonic sensors;
Described top fixed support is made up of longitudinal rod, oblique rod and two transverse bars, the two ends of described oblique rod are fixedly connected with a described transverse bar respectively, and the two ends of described longitudinal rod are fixedly connected with a described transverse bar respectively and described vernier depth gauge is arranged on described longitudinal rod;
Described vernier depth gauge passes from described sensor fixed flat planar, and described sensor fixed flat planar bottom is provided with support bar, and described vernier depth gauge is fixed by the U-shaped clamp on described support bar;
Each described sensor fixed bar is by a screw rod and a stainless-steel tube composition, described ultrasonic array comprises the sensor identical with described sensor fixed bar quantity, each described screw rod is all fixedly connected with the first end of a described stainless-steel tube through described sensor fixed flat planar, and each described ultrasonic sensor is all arranged on the second end of a described stainless-steel tube.
The present invention adopts can the top fixed support of movement, by vernier depth gauge and sensor array, Shoal bar is under water measured, solve the difficult problem that in flume test and river model test, underwater micro topographic dynamic continuance is measured, have that structure is simple, the rational feature of sensor arrangement mode, for the interaction of further investigation water sand, Shoal bar development, change and motion provide a kind of simple measuring method, there is higher using value.
Accompanying drawing explanation
Fig. 1 is the support bracket fastened structural representation in top that the embodiment of the present invention provides;
Fig. 2 is the structural representation that top fixed support that the embodiment of the present invention provides is fixedly connected with vernier depth gauge;
Fig. 3 is the structural representation that vernier depth gauge that the embodiment of the present invention provides is fixedly connected with sensor fixed flat planar;
Fig. 4 is the structural representation that sensor fixed bar that the embodiment of the present invention provides is fixedly connected with ultrasonic sensor with sensor fixed flat planar;
Fig. 5 is the layout schematic diagram of the ultrasonic sensor that the embodiment of the present invention provides.
Embodiment
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The specific embodiment of the present invention provides the temporal and spatial correlations TT&C system of a kind of underwater micro topographic change, as shown in Fig. 1 to 5, comprising: top fixed support, vernier depth gauge 2, sensor fixed flat planar 3, several sensor fixed bar and array of ultrasonic sensors;
Top fixed support is made up of longitudinal rod 11, oblique rod 12 and two transverse bars 13, the two ends of oblique rod 12 are fixedly connected with a transverse bar 13 respectively, and the two ends of longitudinal rod 11 are fixedly connected with a transverse bar 13 respectively and vernier depth gauge 2 is arranged on longitudinal rod 11;
Vernier depth gauge 2 passes from sensor fixed flat planar 3, and sensor fixed flat planar 3 bottom is provided with support bar 31, and vernier depth gauge 2 is fixed by the U-shaped clamp 32 on support bar 31;
Each sensor fixed bar forms by a screw rod 41 and a stainless-steel tube 42, ultrasonic array comprises the sensor 5 identical with sensor fixed bar quantity, each screw rod 41 is all fixedly connected with through the first end of sensor fixed flat planar 3 with a stainless-steel tube 42, and each ultrasonic sensor 5 is all arranged on the second end of a stainless-steel tube 42.
The ultimate principle of the temporal and spatial correlations TT&C system of the underwater micro topographic change that this embodiment provides utilizes the distance between ultrasonic sensor measurement bed surface position to sensor, multiple ultrasonic sensor adopts optimal way combination, the bed elevation of different parts can be measured synchronously, in real time, be contactless, can test constantly under water Shoal bar development, motion technical scheme.
Concrete, as shown in Figure 1, top fixed support is used for the fixing of array of ultrasonic sensors 5, can be made, be made up of longitudinal rod 11, oblique rod 12 and two transverse bars 13 by 3 × 3cm angle steel.Respectively in the punching of the appropriate location of longitudinal rod 11, oblique rod 12 and two transverse bars 13, the two ends of oblique rod 12 are fixedly connected with a transverse bar 13 respectively, and the two ends of longitudinal rod 11 are fixedly connected with a transverse bar 13 respectively.System can be positioned on the test aircraft of tank limit wall or river model test by transverse bar 13, and transverse bar 13 is also for fixing vernier depth gauge 2, and oblique rod 12 mainly plays a supportive role, and makes the support bracket fastened Stability Analysis of Structures in whole top.
Vernier depth gauge 2 is for the vertical height of control and measurement array of ultrasonic sensors 5, and the length of vernier depth gauge 2 surveys the actual demand selection of bed surface distance according to top fixed support to institute.The fixed form of vernier depth gauge 2 is as shown in Figure 2: the pedestal both sides perforate respectively of support bracket fastened longitudinal rod 11 and vernier depth gauge 2 on top, longitudinal rod 11 and vernier depth gauge 2 fixed with set bolt.
Sensor fixed flat planar 3 can the poly (methyl methacrylate) plate of predetermined thickness (0.5-2cm), and to guarantee that flat board has certain Rigidity and strength, large I is determined according to arranged sensor.As shown in Figure 3, first punch in the central authorities of sensor fixed flat planar 3, fix the support bar 31 of an angle steel in sensor fixed flat planar 3 bottom that has of this side, hole; By the hole of vernier depth gauge 2 through central authorities, and fixed by the U-shaped clamp 32 on support bar 31.
Each sensor fixed bar all can be made up of the stainless-steel tube 42 of the screw rod 41 of a diameter 8mm and diameter 8mm, as shown in Figure 4, screw rod 41 is through there being sensor fixed flat planar 3, and use upper and lower two nuts respectively, make screw rod 41 be fixed on sensor fixed flat planar 3, the first end of stainless-steel tube 42 is by being fixed on screw rod 41 with adhesive waterproof tape.Have the breach of predetermined length (can be 2cm) at the second end of stainless-steel tube 42, ultrasonic sensor 5 embeds in described breach, and is fixed by adhesive waterproof tape.
Preferably, array of ultrasonic sensors can comprise ten ultrasonic sensors 5, and arrangement as shown in Figure 5.Ten ultrasonic sensors 5 are totally triangularly arranged, wherein six ultrasonic sensor 5 arrangements in T shape, spacing 3 centimetres, the arrangement in yi word pattern of other four ultrasonic sensors 5, spacing 5cm.
Ten ultrasonic sensors 5 survey bed elevation data and by computer real-time acquisition, can synchronously can obtain the bed surface mima type microrelief altitude figures of ten different parts.Single ultrasonic sensor 5 the row that check order can change in time single-point bed elevation and analyze; The data of different ultrasonic sensor 5 can in order to analyze the spatial coherence of movable bed bed surface different parts.The arrangement mode that this embodiment adopts make use of ten ultrasonic sensors 5 to greatest extent, can obtain the bed surface continuous modification dynamic process of the different spacing such as water (flow) direction 3cm, 6cm, 9cm and horizontal spacing 3cm, 5cm, 6cm, 10cm, 15cm different spacing, be bed surface dynamic deformation and provide abundant basic data to the impact analysis of current under further investigation flow action.
Distance values generally can directly be exported by 485/232 mode by ultrasonic sensor 5 in a digital manner, for certain brand ultrasonic sensor, sends its address code directly to sensor, can receive bed elevation numerical value.Sensor Serial Port Line is connected with serial ports of computers Com1.Computer software illustrates for VB, the MSComm control utilizing VB to carry, and detailed process comprises:
Initialization serial ports:
MSComml.CommPort=1 ' setting Com1
If MSComml.PortOpen=False Then
MSComm1.Settings=" 9600, n, 8,1 " ' 9600 baud rates, no parity check, 8 bit data positions, 1 position of rest
MSComm1.PortOpen=True ' opens serial ports
End if
Address is sent to sensor:
MSComm1.Output=" 1 " ' send address code, in this example, sensor address code is 1
Receive data:
Buffer=MSComm1.Input ' connects sensor measurement data
Sensor output format is:
" #1.00T0.1151C20.32 ", " #1.00 " be sensor address code; " T0.1151 " be measured value, the distance namely between the sensor ultrasound wave surface of emission and bed surface, unit is m; " C20.32 " be measured temperature, unit is degree.
Measured value is extracted from output string, bed elevation data can be obtained in conjunction with according to the reading on vernier depth gauge.
Ten ultrasonic sensors 5 arrange different address codes respectively, enter computing machine by same RS485, and as previously mentioned, the address sending ten ultrasonic sensors 5 successively can obtain the bed elevation of different parts.
The Timer function utilizing VB to carry, interval time gets 500ms, circulation above-mentioned steps, can constantly measure current bed surface landform and gather.
Adopt the technical scheme that this embodiment provides, by vernier depth gauge and sensor array, Shoal bar is under water measured, solve the difficult problem that in flume test and river model test, underwater micro topographic dynamic continuance is measured, have that structure is simple, the rational feature of sensor arrangement mode, for the interaction of further investigation water sand, Shoal bar development, change and motion provide a kind of simple measuring method, there is higher using value.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the embodiment of the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (6)
1. the temporal and spatial correlations TT&C system of a underwater micro topographic change, for flume test or river model test, it is characterized in that, comprising: top fixed support, vernier depth gauge, sensor fixed flat planar, several sensor fixed bar and array of ultrasonic sensors;
Described top fixed support is made up of longitudinal rod, oblique rod and two transverse bars, the two ends of described oblique rod are fixedly connected with a described transverse bar respectively, and the two ends of described longitudinal rod are fixedly connected with a described transverse bar respectively and described vernier depth gauge is arranged on described longitudinal rod;
Described vernier depth gauge passes from described sensor fixed flat planar, and described sensor fixed flat planar bottom is provided with support bar, and described vernier depth gauge is fixed by the U-shaped clamp on described support bar;
Each described sensor fixed bar is by a screw rod and a stainless-steel tube composition, described ultrasonic array comprises the sensor identical with described sensor fixed bar quantity, each described screw rod is all fixedly connected with the first end of a described stainless-steel tube through described sensor fixed flat planar, and each described ultrasonic sensor is all arranged on the second end of a described stainless-steel tube.
2. system according to claim 1, is characterized in that, described sensor fixed flat planar is the poly (methyl methacrylate) plate of predetermined thickness.
3. system according to claim 1, is characterized in that, described screw rod is fixed on described sensor fixed flat planar by upper and lower two nuts.
4. system according to claim 1, is characterized in that, described longitudinal rod and described vernier depth gauge has hole, and is fixedly connected with described vernier depth gauge by described longitudinal rod by bolt.
5. system according to claim 1, is characterized in that, the second end of described stainless-steel tube has the breach of predetermined length, and described ultrasonic sensor embeds in described breach, and is fixed by adhesive waterproof tape.
6. system according to claim 1, is characterized in that, described array of ultrasonic sensors comprises ten ultrasonic sensors, six described ultrasonic sensor arrangements in T shape wherein, and four described ultrasonic sensors are in addition yi word pattern arrangement.
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| CN201210587361.1A CN103063198B (en) | 2012-12-28 | 2012-12-28 | Space-time correlation measurement and control system for underwater micro topographic variation |
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| CN201210587361.1A CN103063198B (en) | 2012-12-28 | 2012-12-28 | Space-time correlation measurement and control system for underwater micro topographic variation |
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| CN103063198B true CN103063198B (en) | 2015-02-25 |
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| CN109405799A (en) * | 2018-08-27 | 2019-03-01 | 浙江省水利河口研究院 | A kind of landform self-operated measuring unit and method based on light passing degree |
| CN109269469B (en) * | 2018-11-21 | 2021-02-26 | 四川中水成勘院测绘工程有限责任公司 | Underwater terrain measuring device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620052A (en) * | 2009-07-29 | 2010-01-06 | 四川大学 | Young's elastic modulus tester with vernier depth gauge |
| JP4435899B2 (en) * | 1999-04-13 | 2010-03-24 | 俊之 河合 | Depth gauge |
| CN102269816A (en) * | 2011-05-06 | 2011-12-07 | 中南大学 | Ultrasonic underwater microtopography detection testing device and method |
| CN102589531A (en) * | 2012-01-05 | 2012-07-18 | 天津市水利科学研究院 | Underwater topography measurement boat as well as manufacturing method and measurement method |
-
2012
- 2012-12-28 CN CN201210587361.1A patent/CN103063198B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4435899B2 (en) * | 1999-04-13 | 2010-03-24 | 俊之 河合 | Depth gauge |
| CN101620052A (en) * | 2009-07-29 | 2010-01-06 | 四川大学 | Young's elastic modulus tester with vernier depth gauge |
| CN102269816A (en) * | 2011-05-06 | 2011-12-07 | 中南大学 | Ultrasonic underwater microtopography detection testing device and method |
| CN102589531A (en) * | 2012-01-05 | 2012-07-18 | 天津市水利科学研究院 | Underwater topography measurement boat as well as manufacturing method and measurement method |
Non-Patent Citations (2)
| Title |
|---|
| 任凤跃,卜英勇.利用VB实现微地形探测仪的DEM数据采集.《凿岩机械气动工具》.2005, * |
| 摆动式超声单波束水下微地形探测实验台建立;罗柏文;《实验室研究与探索》;20091015;图2及图2上面的文字描述 * |
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