CN216594071U - Three-dimensional flow field velocity of flow measuring device in pond - Google Patents
Three-dimensional flow field velocity of flow measuring device in pond Download PDFInfo
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- CN216594071U CN216594071U CN202122538297.5U CN202122538297U CN216594071U CN 216594071 U CN216594071 U CN 216594071U CN 202122538297 U CN202122538297 U CN 202122538297U CN 216594071 U CN216594071 U CN 216594071U
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Abstract
The utility model provides a three-dimensional flow field velocity of flow measuring device in pond which characterized in that includes: the water pool is arranged on the ground and is surrounded by an outer wall; the flow velocity measuring device is arranged on an outer wall and comprises a sliding frame and a sliding probe; the utility model designs a flow velocity measuring device aiming at a middle-depth water pool, and the water pool is divided into an energy dissipation section, a rectification section and an experiment section, so that the water flow velocity of each working section needs to be measured. The sliding probe can slide on the sliding frame, and after the sliding frame slides to a working section to be measured, the sliding probe can avoid an energy dissipation column of the energy dissipation section and an underwater guide plate of the rectification section under the action of the ultrasonic sensor, so that the flow velocity can be accurately measured.
Description
Technical Field
The utility model relates to the field of simulated pools, in particular to a pool three-dimensional flow field flow velocity measuring device.
Background
At present, the dynamic environment of the ocean needs to be simulated in the process of researching ships or designing ships, and the condition for simulating the ocean motion is to build a water pool. In order to simulate the waves and water flow of the marine environment, the wave generator is arranged on the surface of the water pool, the wave generator can periodically form waves on the surface of the water pool, and the water flow is formed by water flow turbulence caused in the process of water circulation through the circulating water pump. The current simulated water pool is divided into a deep water pool and a shallow water pool, which are both built by adopting a deep digging mode on the ground. The depth of the deep pool is generally more than 2.5m, and the depth of the shallow pool is generally less than 1.2 m. In order to set up a circulation channel for simulating water flow in the water pool, a water return gallery is generally dug on the side surface of the water pool, and a water pumping device is adopted to form water circulation. The simulated pool built by the method has large engineering quantity, needs to excavate soil and open a water return gallery, consumes time and labor during building and has high cost. On the other hand, water in the gallery rushes into the wide simulation pool from the gallery with a narrow diameter, so that the condition of uneven water flow is caused, the water flow turbulence at the position with the water outlet and the water inlet of the return water gallery as the center is large, the turbulence degree of the water flow diffusing outwards is smaller, the water flow only extends along the axial turbulence of the water outlet and the water inlet, the surge cannot be formed in the longitudinal direction, and the formed ocean simulation condition cannot meet the experimental requirement. Secondly, the simulation pools adopted at present are only of two types, namely deep pools and shallow pools, the depth of the deep pools is generally more than 2.5m, the depth of the shallow pools is generally less than 1.2m, but the middle-depth pools with the depth of 1.2-2.5 are still in the blank of research.
In order to design a medium-depth water tank, the flow velocity in the water tank is inevitably measured, and the flow velocity in the water tank is required to be monitored in real time.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a device for measuring flow velocity of a three-dimensional flow field of a water pool.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a device for measuring the flow velocity of a three-dimensional flow field of a pool is characterized by comprising:
the water pool is arranged on the ground and is surrounded by an outer wall;
the flow velocity measuring device is arranged on the outer wall and comprises a sliding frame and a sliding probe;
wherein, pond initiating terminal is to the end respectively: the energy dissipation section, the rectification section and the experiment section are communicated with each other; an energy dissipation device is arranged in the energy dissipation section, a rectifying device is arranged in the rectifying section, and a wave absorption device is arranged at the tail end of the experiment section; the two ends of the sliding frame are erected at the top ends of a group of walls opposite to the outer wall and are in sliding connection with the outer wall, and the sliding probe is in sliding connection with the sliding frame.
Further, the carriage is driven by first motor and first lead screw, first lead screw is installed respectively at two relative wall tops of outer wall, first lead screw passes through first bearing and connects on the supporting seat, set up first slider on the first lead screw, first slider with first lead screw threaded connection.
Further, carriage fixed connection is between first slider, buckle downwards at the both ends of carriage, set up the second lead screw between the buckling plate, the second lead screw with the carriage passes through the second bearing and connects, the output of second motor is connected to the one end of second lead screw, set up sliding probe on the second lead screw, sliding probe includes second slider, cylinder, ultrasonic sensor and velocity of flow sensor, second slider and second lead screw threaded connection, ultrasonic sensor is connected to the side of second slider, the cylinder is connected to the bottom of second slider, velocity of flow sensor is connected to the cylinder bottom.
Further, the energy dissipation device comprises energy dissipation columns, and the energy dissipation columns comprise two types, namely a first type energy dissipation column and a second type energy dissipation column; the cross section of the energy dissipation column is circular; the second type of energy dissipation column is a streamline column body, the front end of the cross section of the second type of energy dissipation column is a wide end, and the rear end of the cross section of the second type of energy dissipation column is a narrow end; the energy dissipation columns are distributed at the front end of the energy dissipation section in an array manner; the second type of energy dissipation columns are uniformly distributed at the rear end of the energy dissipation section.
Further, fairing includes the guide plate, the inclined plane that has to the slope of pond body top of guide plate, guide plate fixed connection is in pond body bottom.
Further, the wave absorbing device is a wave absorbing plate with a laminated structure, and the wave absorbing plate is obliquely arranged on the inner wall of the tail end of the water tank body; the wave absorbing device comprises three layers, namely an upper pore plate, a water filtering plate and a lower pore plate from top to bottom in sequence; the upper orifice plate and the lower orifice plate are both provided with a plurality of through holes; and a water filtering channel is formed in the water filtering plate and is a bent channel.
The utility model has the advantages that:
the utility model designs a flow velocity measuring device aiming at a middle-depth water pool, and the water pool is divided into an energy dissipation section, a rectification section and an experiment section, so that the water flow velocity of each working section needs to be measured. The sliding probe can slide on the sliding frame, and after the sliding frame slides to a working section to be measured, the sliding probe can avoid the energy dissipation column of the energy dissipation section and the underwater guide plate of the rectification section under the action of the ultrasonic sensor, so that the flow velocity can be accurately measured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a top view of a device for measuring the flow velocity of a three-dimensional flow field of a water pool according to the present invention.
Fig. 2 is a schematic perspective view of a device for measuring the flow velocity of a three-dimensional flow field of a water pool according to the present invention.
Wherein:
1. an outer wall; 2. a pool; 3. a first motor; 4. a first bearing;
5. a first lead screw; 6. a first slider; 7. a carriage; 8. a second motor;
9. a second bearing; 10. a second lead screw; 11. sliding the probe; 12. an ultrasonic sensor;
13. a cylinder; 14. a flow rate sensor; 21. an energy dissipation section; 22. a rectifying section; 23. a wave making section;
211. a first type of energy dissipating column; 212. a second type of energy dissipation column; 221. a baffle; 231. a wave-absorbing device;
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-2, a device for measuring the flow velocity of a three-dimensional flow field of a water pool 2 is characterized by comprising:
the water pool 2 is arranged on the ground, and the water pool 2 is enclosed by the outer wall 1;
the flow velocity measuring device is arranged on the outer wall 1 and comprises a sliding frame 7 and a sliding probe 11;
wherein, 2 initiating terminals in pond are respectively to the end: the energy dissipation section 21, the rectification section 22 and the experiment section are communicated with each other; an energy dissipation device is arranged in the energy dissipation section 21, a rectifying device is arranged in the rectifying section 22, and a wave dissipation device 231 is arranged at the tail end of the experimental section; two ends of the sliding frame 7 are erected at the top ends of a group of walls opposite to the outer wall 1 and are in sliding connection with the outer wall 1, and the sliding probe 11 is in sliding connection with the sliding frame 7.
As shown in fig. 1, the sliding frame 7 is driven by a first motor 3 and a first lead screw 5, the first lead screws 5 are respectively installed at the tops of two opposite walls of the outer wall 1, the first lead screws 5 are connected to the supporting base through first bearings 4, first sliding blocks 6 are arranged on the first lead screws, and the first sliding blocks 6 are in threaded connection with the first lead screws 5.
As shown in fig. 2, the sliding frame 7 is fixedly connected between the first sliding blocks 6, two ends of the sliding frame 7 are bent downward, the second lead screw 10 is arranged between the bending plates, the second lead screw 10 is connected with the sliding frame 7 through the second bearing 9, one end of the second lead screw 10 is connected with an output end of the second motor 8, the second lead screw 10 is provided with the sliding probe 11, the sliding probe 11 comprises a second sliding block, a cylinder 13, an ultrasonic sensor 12 and a flow velocity sensor 14, the second sliding block is in threaded connection with the second lead screw 10, the side surface of the second sliding block is connected with the ultrasonic sensor 12, the bottom of the second sliding block is connected with the cylinder 13, and the bottom of the cylinder 13 is connected with the flow velocity sensor 14.
The energy dissipater comprises energy dissipation columns, wherein the energy dissipation columns comprise a first type energy dissipation column 211 and a second type energy dissipation column 212; the cross section of the energy dissipation column 211 is circular; the second-class energy dissipation column 212 is a streamline column body, the front end of the cross section of the second-class energy dissipation column is a wide end, and the rear end of the cross section of the second-class energy dissipation column is a narrow end; the energy dissipation columns 211 are distributed at the front end of the energy dissipation section 21 in an array; the two types of energy dissipation columns 212 are uniformly distributed at the rear end of the energy dissipation section 21.
The rectifying device comprises a guide plate 221, the guide plate 221 is provided with an inclined plane which inclines to the upper part of the water pool 2 body, and the guide plate 221 is fixedly connected to the bottom of the water pool 2 body.
The wave-absorbing device 231 is a wave-absorbing plate with a laminated structure, and the wave-absorbing plate is obliquely arranged on the inner wall of the tail end of the water pool 2 body; the wave absorbing device 231 comprises three layers, namely an upper pore plate, a water filtering plate and a lower pore plate from top to bottom; the upper orifice plate and the lower orifice plate are both provided with a plurality of through holes; and a water filtering channel is formed in the water filtering plate and is a bent channel.
The working mode is as follows:
the utility model designs a flow velocity measuring device aiming at a middle-depth water pool 2, and the water pool 2 is divided into an energy dissipation section 21, a rectification section 22 and an experiment section, so that the flow velocity of each working section needs to be measured. The sliding probe 11 can slide on the sliding frame 7, and after the sliding frame 7 slides to a working section to be measured, the sliding probe 11 can avoid the energy dissipation column of the energy dissipation section 21 and the underwater guide plate 221 of the rectification section 22 under the action of the ultrasonic sensor 12, so that the flow speed can be accurately measured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A device for measuring the flow velocity of a three-dimensional flow field of a pool is characterized by comprising:
the water pool is arranged on the ground and is surrounded by an outer wall;
the flow velocity measuring device is arranged on the outer wall and comprises a sliding frame and a sliding probe;
wherein, pond initiating terminal is to the end respectively: the energy dissipation section, the rectification section and the experiment section are communicated with each other; an energy dissipation device is arranged in the energy dissipation section, a rectifying device is arranged in the rectifying section, and a wave absorption device is arranged at the tail end of the experiment section; the two ends of the sliding frame are erected at the top ends of a group of walls opposite to the outer wall and are in sliding connection with the outer wall, and the sliding probe is in sliding connection with the sliding frame.
2. The apparatus of claim 1 for measuring the flow velocity of a pool three-dimensional flow field, wherein: the sliding frame is driven by a first motor and a first lead screw, the top of two opposite walls of the outer wall is respectively provided with the first lead screw, the first lead screw is connected to the supporting seat through a first bearing, a first sliding block is arranged on the first lead screw, and the first sliding block is in threaded connection with the first lead screw.
3. The apparatus of claim 2 for measuring the flow velocity of a pool three-dimensional flow field, wherein: carriage fixed connection is between first slider, buckle downwards at the both ends of carriage, set up the second lead screw between the buckling plate, the second lead screw with the carriage passes through the second bearing and connects, the output of second motor is connected to the one end of second lead screw, set up the slip probe on the second lead screw, the slip probe includes second slider, cylinder, ultrasonic sensor and velocity of flow sensor, second slider and second lead screw threaded connection, ultrasonic sensor is connected to the side of second slider, the cylinder is connected to the bottom of second slider, velocity of flow sensor is connected to the cylinder bottom.
4. The apparatus of claim 1 for measuring the flow velocity of a pool three-dimensional flow field, wherein: the energy dissipation device comprises energy dissipation columns, wherein the two types of energy dissipation columns are respectively a first type of energy dissipation column and a second type of energy dissipation column; the cross section of the energy dissipation column is circular; the second type of energy dissipation column is a streamline column body, the front end of the cross section of the second type of energy dissipation column is a wide end, and the rear end of the cross section of the second type of energy dissipation column is a narrow end; the energy dissipation columns are distributed at the front end of the energy dissipation section in an array manner; the second type of energy dissipation columns are uniformly distributed at the rear end of the energy dissipation section.
5. The apparatus of claim 1 for measuring the flow velocity of a pool three-dimensional flow field, wherein: the rectifying device comprises a guide plate, the guide plate is provided with an inclined plane inclined towards the upper part of the pool body, and the guide plate is fixedly connected to the bottom of the pool body.
6. The apparatus of claim 1 for measuring the flow velocity of a pool three-dimensional flow field, wherein: the wave-absorbing device is a wave-absorbing plate with a laminated structure, and the wave-absorbing plate is obliquely arranged on the inner wall of the tail end of the water tank body; the wave absorbing device comprises three layers, namely an upper pore plate, a water filtering plate and a lower pore plate from top to bottom in sequence; the upper orifice plate and the lower orifice plate are both provided with a plurality of through holes; and a water filtering channel is formed in the water filtering plate and is a bent channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202122538297.5U CN216594071U (en) | 2021-10-21 | 2021-10-21 | Three-dimensional flow field velocity of flow measuring device in pond |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122538297.5U CN216594071U (en) | 2021-10-21 | 2021-10-21 | Three-dimensional flow field velocity of flow measuring device in pond |
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| CN216594071U true CN216594071U (en) | 2022-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001920A (en) * | 2021-10-22 | 2022-02-01 | 交通运输部天津水运工程科学研究所 | Deep water wave flow simulation pool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114001920A (en) * | 2021-10-22 | 2022-02-01 | 交通运输部天津水运工程科学研究所 | Deep water wave flow simulation pool |
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