CN2898834Y - Deep waterflow speed measuring system - Google Patents
Deep waterflow speed measuring system Download PDFInfo
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- CN2898834Y CN2898834Y CN 200620007627 CN200620007627U CN2898834Y CN 2898834 Y CN2898834 Y CN 2898834Y CN 200620007627 CN200620007627 CN 200620007627 CN 200620007627 U CN200620007627 U CN 200620007627U CN 2898834 Y CN2898834 Y CN 2898834Y
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Abstract
The utility model relates to a deep waterflow speed measuring system, which comprises a shift device. The utility model is characterized in that it comprises also a fixed framework and a computer arranged on the shift device respectively, an A/D conversion card and a D/A conversion card, which are inserted into the slots of the PCI of computer respectively, an AC servo drive connected with the D/A conversion card through wires, an AC servo engine connected with the AC servo drive, an encoder connected with AC servo drive and A/D conversion card (the encoder delivers the simulating signals of displacement of the AC servo engine through A/D conversion card to the computer for real-time surveillance), a decelerator with its input terminal connected with the output terminal of AC servo engine, a vertical elevation device pulled on the fixed framework with the output terminal connected with the output of the decelerator, a probe connected with the utmost bottom of the vertical elevation device and connected with A/D conversion card through electric cable. The utility model can be widely applied to scientific tests concerning sea project material and various currents involved in the hydrodynamics, such as laminar, turbulent or boundary current.
Description
Technical field
The utility model relates to a kind of deep water flow velocity measuring system, particularly about a kind of boats and ships oceanographic engineering pond deep water flow velocity measuring system that uses in the ocean deepwater model test.
Background technology
Along with the continuous development of oceanographic engineering field scientific research, the important component part of ocean engineering model test having become oceanographic engineering scientific research.Requirement to oceanographic engineering basin test measuring technology difficulty and precision is more and more higher.The simulation precision of marine environment such as wind, wave, stream has directly determined the accuracy of ocean engineering experiment.Therefore, ocean engineering experiment has proposed requirements at the higher level to mode, method and the precision of wind, wave, stream marine environment analogue measurement.Particularly the difficulty of deep water flow measurement is higher.At present, the mode of main in the world measurement flow rate has two kinds of point type current meter and section current meters, and the former is mainly used in the fluid-velocity survey at fixed point place, and the latter is mainly used in the measurement that the section of the flow velocity in certain scope distributes.For the deep water flow field simulation in the oceanographic engineering pond, the former can't directly measure section, can only measure the flow velocity of certain several point, and the latter's measuring accuracy is difficult to reach testing requirements.
" wave dragon " that existing market has Norway Nuo Taike (NORTEK CN) company to produce measures the section current meter, this equipment is mainly used in the measurement of the littoral flow velocity in coastal waters, fluid velocity profile layer wide region is little, sample frequency is low, measuring accuracy is relatively poor, can not satisfy the oceanographic engineering pond measure the fixed point flow velocity, along the measurement requirement of the section flow velocity and the whole pond stereo flow field distribution flow velocity of pond depth direction.
Summary of the invention
At the problems referred to above, fundamental purpose of the present utility model is to provide a kind of deep water flow velocity measuring system, and it can be implemented in the oceanographic engineering pond and carry out the measurement and the real-time data acquisition of high precision, the distribution of large tracts of land flow field velocity, any refinement differential profile velocity flow profile of deep water (0～10 meter), measures control.
For achieving the above object, the utility model is taked following technical scheme: a kind of deep water flow velocity measuring system, and it comprises a mobile device, it is located on the pond by sliding rail frame; It is characterized in that it also comprises: a fixed mount and a computing machine, it is separately positioned on the described mobile device; An one A/D transition card and a D/A transition card, it is plugged in respectively on the PCI slot of described computing machine; One AC servo driver, it connects described D/A transition card by lead; One AC servo motor, it is arranged on the described fixed mount, and connects described AC servo driver by lead; One scrambler, it connects described AC servo driver and A/D transition card by lead respectively, and described scrambler passes through described A/D transition card with the simulating signal of described AC servo motor displacement, sends into described computing machine and carries out real-time observing and controlling; One speed reducer, its input end connects the output terminal of described AC servo motor; One vertical lift device, it is located on the described fixed mount, and its output terminal connects the output terminal of described speed reduction unit; One probe, it is connected the lowermost end of described vertical lift device, and described probe connects described A/D transition card by cable.
Described vertical lift device comprises: a straight line slide bar, and it is located on the described fixed mount, and its top is connected with the output terminal of described speed reduction unit, and its bottom is provided with a connector, and described probe is connected on the described connector; One sliding sleeve, it is arranged on described straight line slide bar bottom, and is positioned at described connector top; Two connecting rods, it is arranged on the both sides of described straight line slide bar, and its top is hinged on respectively on the described fixed mount; Two connecting rods in addition, its top is hinged on the bottom of described two connecting rods respectively, and its bottom is hinged on respectively on the two side of described sliding sleeve.
Described speed reduction unit is a gear case.
The top of described straight line slide bar is provided with the tooth bar with described gear case output terminal engagement.
Described probe is the trident acoustic probes.
The utility model is owing to adopt above technical scheme, it has the following advantages: 1, the utility model is according to the characteristics and the accuracy requirement of ocean engineering experiment, on the mobile device that can all around move that in existing engineering pond, uses, set up a cover vertical lift device, therefore can make speed measuring device any deep water place in the three dimensions in engineering pond carry out fluid-velocity survey.2, the utility model is owing to be provided with computing machine, the A/D transition card, the D/A transition card, scrambler, AC servo motor, control such as AC servo driver and speed reduction unit transmission feedback assembly, therefore test the speed in the process carrying out deep water, can drive vertical lift device by computer control AC servo driver startup AC servo motor and speed reduction unit moves up and down, scrambler again can be with the simulating signal of AC servo motor displacement by A/D transition card input computing machine, so the utility model can be implemented in the oceanographic engineering pond and carries out high precision, the large tracts of land flow field velocity distributes, deep water (0～10 meter) is the measurement and the real-time data acquisition of refinement differential profile velocity flow profile arbitrarily, measure control.3, on the fixed mount that vertical lift device of the present utility model is located in mobile device is connected, and by linkage assembly and the support of sliding sleeve guiding, particularly be provided with and tooth bar as the engagement of the gear case output terminal of speed reduction unit at the straight line slide bar top of vertical lift device, make the utility model structure simple and direct, flexible and convenient operation can accurately reach any refinement differential profile and carry out fluid-velocity survey.The utility model has been filled up the blank of fluid-velocity survey in China's ocean deepwater test, satisfied the urgent need that China's ocean deepwater test tank is built, its online accuracy of detection≤0.1mm, compare and use the precision that the section current meter measures and improve 100 times, compare the spot measurement of original point type current meter and carry out the method for post-processed again and raise the efficiency 100%.The utility model can be widely used in the scientific experimentation research of current such as the laminar flow, turbulent flow, boundary current of the scientific experimentation research of ocean engineering structure and hydrodynamics.
Description of drawings
Fig. 1 is the utility model structural representation
Fig. 2 is the connection block diagram between each member of the utility model
Fig. 3 is the utility model computer measurement and control process flow diagram
Fig. 4 is the utility model vertical lift device structural representation
Fig. 5 is the schematic top plan view of Fig. 4
Fig. 6 is vertical flow velocity measurement result figure in the utility model test
Fig. 7 is transverse flow speed measurement result figure in the utility model test
Embodiment
In order to describe structure of the present utility model, characteristics and effect in detail, the existing following preferred embodiment of act also cooperates
Description of drawings is as follows.
As shown in Figure 1 and Figure 2, the utility model comprises that one is erected at the mobile device (not shown) on the ocean deepwater model test engineering pond, this mobile device (such as trailer) is an oceanographic engineering pond usual means, and it is to be undertaken all around moving by the slide rail that is arranged on the limit, pond.Mobile device is provided with computing machine 1, A/D transition card 2, D/A transition card 3, scrambler 4, AC servo motor 5, AC servo driver 6, the gear case as speed reduction unit 7, probe 8, fixed mount 9 and vertical lift device 10.Wherein A/D transition card 2 and D/A transition card 3 are plugged on the PCI slot of computing machine 1, AC servo driver 6 one ends connect D/A transition card 3, the other end connects AC servo motor 5, is started the running of AC servo motor 5 by computing machine 1 control AC servo driver 6.AC servo motor 5, speed reduction unit 7 and vertical lift device 10 are installed on the fixed mount 9, fixed mount 9 is connected on the above-mentioned mobile device, AC servo motor 5 drives vertical lift device 10 by speed reduction unit 7 and moves up and down, and scrambler 4 is imported the simulating signal of AC servo motor 5 displacements in the computing machines 1 by A/D transition card 2 and carried out real-time observing and controlling.
As Fig. 1, Fig. 4, shown in Figure 5, vertical lift device 10 of the present utility model comprises that one is installed in the axle sleeve 11 on the fixed mount 9, in axle sleeve 11, wear a straight line slide bar 12, if speed reduction unit 7 sampling gear casees just are provided with the tooth bar with the engagement of gear case output terminal so at the top of straight line slide bar 12.But the sliding sleeve 13 that connects a up-down adjustment in the bottom of straight line slide bar 12 fixedly installs a connector 14 in the bottom end of straight line slide bar 12, and connector 14 is used to connect the probe 8 of measurement mechanism.Be provided with two cover linkage assemblys in the both sides of straight line slide bar 12, every cover linkage assembly is made up of upper and lower two connecting rods 15,16, above two connecting rods, 15 tops be hinged on respectively on the fixed mount 9, two connecting rods, 15 bottoms are hinged with the top of another connecting rod 16 respectively, and the bottom of two connecting rods 16 is hinged on respectively on sliding sleeve 13 two sides.Straight line slide bar 12 promotes, descends, and sliding sleeve 13 promotes, descends with slide bar simultaneously, thereby plays the guiding supporting role to straight line slide bar 12.
In the foregoing description, probe 8 can adopt various probe of the prior art, such as the trident acoustic probes.Being provided with of linkage assembly can also be three covers, quadruplet or more.Speed reduction unit 7 can also use other reducing gear except that adopting gear case.Vertical lifting mechanism 10 is connected except that the mode of gear, tooth bar engagement with speed reduction unit 7, can also change according to the variation of speed reduction unit 7 structures.
As Fig. 1, shown in Figure 3, after the utility model is started working, parameter at first is set, Z coordinate position by the given measurement point of computer measurement and control software, computing machine 1 flows to AC servo driver 6 startup AC servo motor 5 with signal by D/A transition card 3 then, the rotation of AC servo motor 5 drives straight line slide bar 12 by speed reduction unit 7 and moves up and down, 8 deliver to assigned address popping one's head in, simultaneously the simulating signal of AC servo motor 5 displacements is delivered to computing machine 1 through A/D transition card 2 by scrambler 4, gather and show the numerical value of Z in real time, carry out position finding, judge whether to arrive set-point, if the no show set-point is then adjusted control AC servo motor 5 once more, until arriving set-point.This shows that the closed loop system that is made of AC servo motor 5, AC servo driver 6, scrambler 4 can accurately be controlled the position of probe 8.After finish the location, just begin to carry out the fluid-velocity survey of given measurement point, the three-dimensional analog signal that is received by trident acoustic probes 8 is sent to A/D transition card 2 input computing machines 1 through cable 17 and carries out real-time data acquisition, graphic presentation, data processing, statistical study and forecast statistics result (maximal value, minimum value, mean value, variance etc.), the utility model detects and data processing can adopt the method for prior art to carry out, also development sequence carries out separately, this non-content of the present utility model does not repeat them here.After finishing a set point fluid-velocity survey, a given newer Z value repeats above control location, data acquisition, statistical study process, until finishing the measurement that whole deep water section (aspect) or whole pond stereo flow field distribute.
As Fig. 6, shown in Figure 7, be to use the utility model to carry out the result of experimental measurement, simulated time 25 seconds is gathered 600 points altogether, and sample frequency is 24Hz, sampling precision＜0.1mm.As can be seen from the figure the utility model can be realized higher measuring accuracy, its online accuracy of detection≤0.1mm, compare and use the precision that the section current meter measures and improve 100 times, compare the spot measurement of original point type current meter and carry out the method for post-processed again and raise the efficiency 100%.
Claims (7)
1, a kind of deep water flow velocity measuring system, it comprises a mobile device, it is located on the pond by sliding rail frame; It is characterized in that it also comprises:
One fixed mount and a computing machine, it is separately positioned on the described mobile device;
An one A/D transition card and a D/A transition card, it is plugged in respectively on the PCI slot of described computing machine;
One AC servo driver, it connects described D/A transition card by lead;
One AC servo motor, it is arranged on the described fixed mount, and connects described AC servo driver by lead;
One scrambler, it connects described AC servo driver and A/D transition card by lead respectively, and described scrambler passes through described A/D transition card with the simulating signal of described AC servo motor displacement, sends into described computing machine and carries out real-time observing and controlling;
One speed reducer, its input end connects the output terminal of described AC servo motor;
One vertical lift device, it is located on the described fixed mount, and its output terminal connects the output terminal of described speed reduction unit;
One probe, it is connected the lowermost end of described vertical lift device, and described probe connects described A/D transition card by cable.
2, a kind of deep water flow velocity measuring system as claimed in claim 1 is characterized in that described vertical lift device comprises:
One straight line slide bar, it is located on the described fixed mount, and its top is connected with the output terminal of described speed reduction unit, and its bottom is provided with a connector, and described probe is connected on the described connector;
One sliding sleeve, it is arranged on described straight line slide bar bottom, and is positioned at described connector top;
Two connecting rods, it is arranged on the both sides of described straight line slide bar, and its top is hinged on respectively on the described fixed mount;
Two connecting rods in addition, its top is hinged on the bottom of described two connecting rods respectively, and its bottom is hinged on respectively on the two side of described sliding sleeve.
3, a kind of deep water flow velocity measuring system as claimed in claim 1 or 2 is characterized in that: described speed reduction unit is a gear case.
4, a kind of deep water flow velocity measuring system as claimed in claim 3 is characterized in that: the top of described straight line slide bar is provided with the tooth bar with described gear case output terminal engagement.
5, a kind of deep water flow velocity measuring system as claimed in claim 1 or 2 is characterized in that: described probe is the trident acoustic probes.
6, a kind of deep water flow velocity measuring system as claimed in claim 3 is characterized in that: described probe is the trident acoustic probes.
7, a kind of deep water flow velocity measuring system as claimed in claim 4 is characterized in that: described probe is the trident acoustic probes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620007627 CN2898834Y (en) | 2006-03-10 | 2006-03-10 | Deep waterflow speed measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620007627 CN2898834Y (en) | 2006-03-10 | 2006-03-10 | Deep waterflow speed measuring system |
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| Publication Number | Publication Date |
|---|---|
| CN2898834Y true CN2898834Y (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620007627 Expired - Lifetime CN2898834Y (en) | 2006-03-10 | 2006-03-10 | Deep waterflow speed measuring system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378460C (en) * | 2006-03-10 | 2008-04-02 | 中国海洋石油总公司 | Deep water flow velocity measuring system |
| CN103175673A (en) * | 2012-11-20 | 2013-06-26 | 中国特种飞行器研究所 | Hydrodynamic test measurement bridge with high control precision |
| CN105222987A (en) * | 2015-10-20 | 2016-01-06 | 昆明理工大学 | A kind of ocean current pick-up unit based on real-time embedded GPS control system |
| CN107063628A (en) * | 2017-03-31 | 2017-08-18 | 浙江省水利河口研究院 | River-like reservoir Heavenly Stems and Earthly Branches flowing water body exchanges the experimental provision and experimental method of research |
| CN109557334A (en) * | 2018-12-12 | 2019-04-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Strong tracking float suitable for hinge entrance erea velocity flow profile prototype measurement of opening the navigation or air flight |
| CN111721359A (en) * | 2020-06-19 | 2020-09-29 | 山东大学 | Device for detecting water flow velocity and water flow direction |
-
2006
- 2006-03-10 CN CN 200620007627 patent/CN2898834Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378460C (en) * | 2006-03-10 | 2008-04-02 | 中国海洋石油总公司 | Deep water flow velocity measuring system |
| CN103175673A (en) * | 2012-11-20 | 2013-06-26 | 中国特种飞行器研究所 | Hydrodynamic test measurement bridge with high control precision |
| CN103175673B (en) * | 2012-11-20 | 2015-04-01 | 中国特种飞行器研究所 | Hydrodynamic test measurement bridge with high control precision |
| CN105222987A (en) * | 2015-10-20 | 2016-01-06 | 昆明理工大学 | A kind of ocean current pick-up unit based on real-time embedded GPS control system |
| CN105222987B (en) * | 2015-10-20 | 2017-09-29 | 昆明理工大学 | A kind of ocean current detection means based on real-time embedded GPS control systems |
| CN107063628A (en) * | 2017-03-31 | 2017-08-18 | 浙江省水利河口研究院 | River-like reservoir Heavenly Stems and Earthly Branches flowing water body exchanges the experimental provision and experimental method of research |
| CN107063628B (en) * | 2017-03-31 | 2023-05-05 | 浙江省水利河口研究院 | Experimental device and experimental method for river channel type reservoir main and branch fluid exchange research |
| CN109557334A (en) * | 2018-12-12 | 2019-04-02 | 水利部交通运输部国家能源局南京水利科学研究院 | Strong tracking float suitable for hinge entrance erea velocity flow profile prototype measurement of opening the navigation or air flight |
| CN109557334B (en) * | 2018-12-12 | 2020-12-25 | 水利部交通运输部国家能源局南京水利科学研究院 | Strong-tracking floater suitable for observing flow velocity distribution prototype at door area of navigation hub |
| CN111721359A (en) * | 2020-06-19 | 2020-09-29 | 山东大学 | Device for detecting water flow velocity and water flow direction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080402 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |