CN114235334B - Laboratory wave intelligent measurement system - Google Patents
Laboratory wave intelligent measurement system Download PDFInfo
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- CN114235334B CN114235334B CN202111477315.1A CN202111477315A CN114235334B CN 114235334 B CN114235334 B CN 114235334B CN 202111477315 A CN202111477315 A CN 202111477315A CN 114235334 B CN114235334 B CN 114235334B
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Abstract
The invention discloses an intelligent wave measuring system in a laboratory; comprising the following steps: the device comprises a simulation box, wherein each surface of the simulation box is fixedly provided with a toughened glass plate; the wave-making energy-absorbing mechanism is fixedly arranged in the simulation box and comprises a wave-making assembly and an energy-absorbing assembly; the moving mechanism is used for carrying the wave detector to carry out moving adjustment in the simulation box and comprises a horizontal moving mechanism for horizontally moving and a lifting mechanism for lifting adjustment; the window is used for realizing maintenance and detection on the inside of the simulation box and comprises an articulated opening and closing window and a locking assembly for locking and supporting the opening and closing window; the invention is convenient for detecting the waves at different positions in the simulation box, can generate waves and absorb energy, and is convenient for maintenance and overhaul.
Description
Technical Field
The invention belongs to the technical field of ocean experiments, and particularly relates to an intelligent laboratory wave measurement system.
Background
The measurement of wave parameters such as wave height, wave direction, wave period, wavelength, wave speed and the like has extremely important significance and application value for ocean engineering construction, ocean fishery production, ocean transportation, ocean environment protection, ocean scientific research and even ocean national defense.
The existing wave measurement method comprises the following steps: acceleration measurement, pressure measurement, wavefront roughness inversion, etc., wherein all but the wavefront measurement is indirect measurement. The equipment based on acceleration measurement and water pressure measurement is required to be placed in water, and the equipment is high in placement difficulty, easy to lose and high in maintenance cost. Wave surface measurement is to measure wave parameters by using a method for measuring wave surface height change, namely measuring the distance change from a probe to the water surface by using a probe with fixed height, and most of wave surface measurement is realized by adopting a non-contact (telemetry) measurement mode such as laser, microwave or ultrasonic; the wave surface measuring equipment can be arranged on an ocean structure above the water surface, such as an offshore oil platform, and on the basis of water level measurement, the tracking of the wave surface height change is realized through accelerated sampling, so that the wave surface measuring equipment has the characteristics of good safety and simplicity and convenience in maintenance. However, the existing device applied to the wave surface measurement method can only realize the measurement of wave height and wave period, but cannot measure important wave parameters such as wave direction, wavelength, wave speed and the like, so that the application of the device is limited, and in order to realize the effective detection of ocean waves, the ocean waves are required to be simulated in a laboratory, however, various laboratory simulation devices on the market still have various problems.
The laboratory non-contact wave measurement device disclosed by the authority publication No. CN205373999U has the advantages that although the laboratory non-contact wave measurement device is realized by adopting an image recognition method, the measurement accuracy is high, the influence of an original wave height sensor on a test is avoided, the defect that a test instrument is easy to wear is overcome, the laboratory non-contact wave measurement device has higher guarantee rate, the test device is easy to install and low in cost, the measurement range is wide, and the same device can record wave information of a plurality of different positions at the same time, but the problems that detection is carried out on various places of simulated waves, wave generation and buffering cannot be realized in the existing experimental simulation are not solved, and the laboratory wave intelligent measurement system is provided for the purpose.
Disclosure of Invention
The invention aims to provide a laboratory wave intelligent measurement system for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a laboratory wave intelligent measurement system, comprising:
the simulated box is used for storing water simulating sea, and toughened glass plates are fixedly arranged on each surface of the simulated box;
the wave making and energy absorbing mechanism is fixedly arranged in the simulation box and comprises a wave making component and an energy absorbing component, the wave making component is fixedly arranged at one end of the simulation box, the energy absorbing component is fixedly arranged at the other end of the simulation box and comprises a plurality of groups of energy absorbing plates, the plurality of groups of energy absorbing plates are fixedly arranged at the other end of the simulation box, and the heights of the plurality of groups of energy absorbing plates are distributed in a step mode;
the moving mechanism is used for carrying the wave detector to carry out moving adjustment in the simulation box and detecting waves at different positions in the simulation box, and comprises a horizontal moving mechanism for horizontally moving and a lifting mechanism for lifting adjustment;
the window is used for realizing maintenance and detection on the inside of the simulation box and comprises an articulated opening and closing window and a locking assembly used for locking and supporting the opening and closing window.
Preferably, the simulation box comprises a plurality of component parts, wherein the component parts are fixedly connected through connecting flanges and fixing bolts, and sealing gaskets are inlaid between the connecting flanges.
Preferably, the wave making assembly comprises a fixed plate fixed at one end of the simulation box, a plurality of wave making motors are fixedly arranged in the middle of the fixed plate, a plurality of fan blades are fixedly arranged at the output ends of the wave making motors, a grid plate is fixedly arranged at one end of the simulation box, and the grid plate is positioned at one side of the fan blades.
Preferably, the opening and closing window comprises window toughened glass, the outer side of the window toughened glass is connected with a window inner frame in a sealing manner, the toughened glass plate is fixedly connected with a window outer frame in a sealing manner, and the window inner frame is connected to the window outer frame in a hinging manner through a hinging assembly.
Preferably, the locking assembly comprises a fixed seat fixedly connected to the outer frame of the window, two groups of positioning blocks are fixedly connected to the fixed seat, a pressing plate is movably connected between the two groups of positioning blocks through a pin shaft, a handle is fixedly connected to one end of the pressing plate, a rubber rod is fixedly connected to the inner side of the other end of the pressing plate, and the locking assembly is provided with a plurality of groups.
Preferably, the moving mechanism comprises a plurality of fixing struts fixedly connected to the simulation box, the top ends of the fixing struts are fixedly connected with a track frame together, and a moving trolley is movably connected inside the track frame.
Preferably, the horizontal moving mechanism comprises a servo motor fixedly installed in the moving trolley, two groups of transmission shafts are connected in a penetrating manner in the moving trolley, rollers are fixedly installed at two ends of each transmission shaft, a group of transmission shafts are connected with a second bevel gear in a key manner, a first bevel gear is connected with an output end of the servo motor in a key manner, the first bevel gear is meshed with the second bevel gear, a gear box is sleeved on the outer portion of the first bevel gear and the outer portion of the second bevel gear, a battery pack is fixedly installed in the moving trolley, and the battery pack is electrically connected with the servo motor.
Preferably, the lifting mechanism comprises a servo electric cylinder fixedly mounted at the top of the mobile trolley, the output end of the servo electric cylinder is fixedly connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with a mounting seat, the wave detector is fixedly mounted on the mounting seat, a connecting rod groove is formed in the bottom end of the mobile trolley, and the connecting rod penetrates through the inside of the connecting rod groove.
Preferably, the lower part of the simulation box is fixedly connected with a supporting table surface, and a plurality of groups of supporting legs are welded at the bottom of the supporting table surface.
Preferably, the wave detector (35) adopts a wave intelligent measurement calculation method and formula for calculating wave fluctuation:
s1, detecting and calculating wave fluctuation by adopting a two-dimensional wave equation, wherein the two-dimensional wave equation is as follows: ζ=asin (kx—σt), where a is the amplitude of the wave, k is the wave number, σ is the circular frequency; 2 pi/sigma=t is a period, 2 pi/k=λ is a wavelength;
s2, the amplitude, wave number and circular frequency values in the wave equation can be obtained through actual measurement periods, wave heights and wavelengths;
s3, verifying the relation between the wavelength and the period and the wave speed by combining the wave speed equation c=sigma/k;
the average period for wavelength can be calculated by the following formula:
compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the trolley is moved and regulated through the servo motor, the servo motor drives the trolley to move and regulate above the simulation box, so that detection of different positions formed by waves can be realized, namely, detection of data of an initial forming position, a flowing process position and a wave collision position of the waves is realized, and the detection of waves with different depths can be realized by the aid of the servo motor, so that the effectiveness and accuracy of wave data information are improved;
(2) The invention can realize wave making and impact absorption of the simulation test, effectively simulate waves, absorb the impact of the waves, prevent the waves from damaging the simulation box, and is provided with the window, thereby realizing the overhaul and maintenance of the inside of the simulation box and prolonging the service life of the simulation box.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a mobile cart according to the present invention;
fig. 3 is an enlarged schematic view of the structure of the present invention at a.
In the figure: 1. a simulation box; 2. tempered glass plate; 3. a fixing plate; 4. a wave-making motor; 5. a fan blade; 6. a grid plate; 7. an energy absorbing plate; 8. a window outer frame; 9. a window inner frame; 10. window toughened glass; 11. a fixing seat; 12. a positioning block; 13. a pin shaft; 14. a pressing plate; 15. a handle; 16. a rubber rod; 17. fixing the support rod; 18. a track frame; 19. a moving trolley; 20. a servo electric cylinder; 21. a connecting rod; 22. a mounting base; 23. a servo motor; 24. a transmission shaft; 25. a roller; 26. a first bevel gear; 27. a second bevel gear; 28. a gear box; 29. a battery pack; 30. a connecting rod groove; 31. supporting the table top; 32. support legs; 33. a connecting flange; 34. a fixing bolt; 35. a wave detector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a laboratory wave intelligent measurement system, comprising:
the simulated box 1 is used for storing water simulating sea, and each surface of the simulated box 1 is fixedly provided with a toughened glass plate 2;
the wave-making energy-absorbing mechanism is fixedly arranged in the simulation box 1 and comprises a wave-making assembly and an energy-absorbing assembly, the wave-making assembly is fixedly arranged at one end of the simulation box 1, the energy-absorbing assembly is fixedly arranged at the other end of the simulation box 1 and comprises a plurality of groups of energy-absorbing plates, the plurality of groups of energy-absorbing plates are fixedly arranged at the other end of the simulation box, and the heights of the plurality of groups of energy-absorbing plates are arranged in a step-like manner;
the moving mechanism is used for carrying the wave detector 35 to carry out moving adjustment in the simulation box 1 and detecting waves at different positions in the simulation box 1, and comprises a horizontal moving mechanism for horizontal movement and a lifting mechanism for lifting adjustment;
the window is used for realizing maintenance and detection on the inside of the simulation box 1 and comprises a hinged opening and closing window and a locking assembly for locking and supporting the opening and closing window.
In order to realize the convenience of disassembly and assembly of the simulation box 1, in this embodiment, preferably, the simulation box 1 includes a plurality of components, the components are fixedly connected through a connecting flange 33 and a fixing bolt 34, and sealing gaskets are embedded between the connecting flanges 33.
In order to realize wave making, so that water in the simulation box 1 can form waves, in this embodiment, preferably, the wave making assembly comprises a fixed plate 3 fixed at one end of the simulation box 1, a plurality of groups of wave making motors 4 are fixedly installed in the middle of the fixed plate 3, fan blades 5 are fixedly installed on output ends of the plurality of wave making motors 4, a grid plate 6 is fixedly installed at one end of the simulation box 1, and the grid plate 6 is located at one side of the fan blades 5.
In order to facilitate the detection and maintenance of the inside of the simulation box 1 and improve the service life of the simulation box 1, in this embodiment, preferably, the opening and closing window comprises window toughened glass 10, the outer side of the window toughened glass 10 is in sealing connection with a window inner frame 9, a window outer frame 8 is fixedly and hermetically connected on the toughened glass plate 2, and the window inner frame 9 is in hinged connection with the window outer frame 8 through a hinge assembly.
In order to realize the effective fixation and support to window toughened glass 10 for window toughened glass 10 keeps the leakproofness, in this embodiment, preferably, locking component is including fixing base 11 of fixed connection on window outline frame 8, two sets of locating pieces 12 of fixedly connected with on the fixing base 11, have clamp plate 14 through round pin axle 13 swing joint between two sets of locating pieces 12, the one end fixedly connected with handle 15 of clamp plate 14, the inboard fixedly connected with rubber pole 16 of the other end of clamp plate 14, locking component is equipped with a plurality of groups.
In order to realize the installation and support of the moving mechanism, so that the moving mechanism is convenient to use, in this embodiment, preferably, the moving mechanism comprises a plurality of fixing struts 17 fixedly connected to the simulation box 1, the top ends of the plurality of fixing struts 17 are fixedly connected with a track frame 18 together, and a moving trolley 19 is movably connected inside the track frame 18.
In order to realize moving adjustment to the horizontal position where the wave detector 35 is located, so that waves at different positions in the simulation box 1 are detected conveniently, in this embodiment, preferably, the horizontal moving mechanism comprises a servo motor 23 fixedly installed inside a moving trolley 19, two groups of transmission shafts 24 are connected inside the moving trolley 19 in a penetrating manner, rollers 25 are fixedly installed at two ends of the two groups of transmission shafts 24, a second bevel gear 27 is connected to one group of transmission shafts 24 in a key manner, a first bevel gear 26 is connected to the output end of the servo motor 23 in a key manner, a gear box 28 is sleeved outside the first bevel gear 26 and the second bevel gear 27 in a meshed manner, a battery pack 29 is fixedly installed inside the moving trolley 19, and the battery pack 29 is electrically connected with the servo motor 23.
In order to realize the adjustment of the depth of the wave detector 35, so as to be convenient for effectively detecting waves with different depths, the wave detector 35 is a high-precision MEMS sensor which can output data such as pointing direction, wave height, wave period, wave direction and the like through an RS-232 interface, can also store the data in an internal memory of an instrument, can be used for replacing the existing wave sensor and upgrade the existing marine environment monitoring buoy; or add the wave measurement function, even small-size buoy, in this embodiment, preferably, elevating system is including servo electric cylinder 20 at travelling car 19 top of fixed mounting, servo electric cylinder 20's output fixedly connected with connecting rod 21, connecting rod 21's bottom fixedly connected with mount pad 22, wave detector 35 fixed mounting is in on the mount pad 22, connecting rod groove 30 has been seted up to travelling car 19's bottom, and connecting rod 21 runs through in the inside in connecting rod groove 30.
In order to realize effective support and fixed installation of the simulation box 1 and keep balance and stability, in this embodiment, preferably, a support table surface 31 is fixedly connected to the lower portion of the simulation box 1, and a plurality of groups of support legs 32 are welded to the bottom of the support table surface 31.
For effective calculation, in this embodiment, the wave detector 35 preferably uses the intelligent wave measurement calculation method and formula for calculating the wave fluctuation:
s1, detecting and calculating wave fluctuation by adopting a two-dimensional wave equation, wherein the two-dimensional wave equation is as follows: ζ=asin (kx—σt), where a is the amplitude of the wave, k is the wave number, σ is the circular frequency; 2 pi/sigma=t is a period, 2 pi/k=λ is a wavelength;
s2, the amplitude, wave number and circular frequency values in the wave equation can be obtained through actual measurement periods, wave heights and wavelengths;
s3, verifying the relation between the wavelength and the period and the wave speed by combining the wave speed equation c=sigma/k;
the average period for wavelength can be calculated by the following formula:
the working principle and the using flow of the invention are as follows: when using, water injection is carried out into the simulation box 1, and the injected water quantity is about three, then the wave making motor 4 at one end of the simulation box 1 is started, the wave making motor 4 can stir water flow through the fan blade 5, wave is formed, and the energy absorbing plate 7 is arranged at the other end of the simulation box 1, the energy absorbing plate 7 can absorb the impact force of the wave, the impact damage to the simulation box 1 can be effectively prevented, then the wave is detected, the power supply to the servo motor 23 is realized through the battery pack 29 inside the moving trolley 19, further, the servo motor 23 can drive the transmission shaft 24 to rotate through the first conical gear 26 and the second conical gear 27, further, the rollers 25 at two sides of the moving trolley 19 are driven to move in the track frame 18, further, the wave detector 35 can move and adjust in the simulation box 1, the wave intensity and data of different horizontal positions are detected, the servo electric cylinder 20 is arranged on the moving trolley 19, the wave detector 35 is installed and fixed through the connecting rod 21 and the mounting seat 22, the wave detector 35 can be enabled to be different in the wave detector 1 and the wave detector to be maintained in the simulation box 1 through the depth and the glass 10.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A laboratory wave intelligent measurement system, comprising:
the device comprises a simulation box (1), wherein each surface of the simulation box (1) is fixedly provided with a toughened glass plate (2), and the simulation box (1) is used for storing water simulating sea;
the wave making and energy absorbing mechanism is fixedly arranged in the simulation box (1) and comprises a wave making component and an energy absorbing component, the wave making component is fixedly arranged at one end of the simulation box (1), the energy absorbing component is fixedly arranged at the other end of the simulation box (1), the energy absorbing component comprises a plurality of groups of energy absorbing plates (7), the energy absorbing plates (7) are fixedly arranged at the other end of the simulation box (1), and the heights of the energy absorbing plates (7) are distributed in a step mode;
the moving mechanism is used for carrying the wave detector (35) to carry out moving adjustment in the simulation box (1) and detecting waves at different positions in the simulation box (1), and comprises a horizontal moving mechanism for horizontally moving and a lifting mechanism for lifting adjustment;
the window is used for realizing maintenance and detection on the inside of the simulation box (1), and comprises a hinged opening and closing window and a locking assembly used for locking and supporting the opening and closing window; the simulation box (1) comprises a plurality of component parts, wherein the component parts are fixedly connected through connecting flanges (33) and fixing bolts (34), and sealing gaskets are embedded between the connecting flanges (33); the wave making assembly comprises a fixed plate (3) fixed at one end of the simulation box (1), a plurality of groups of wave making motors (4) are fixedly arranged in the middle of the fixed plate (3), fan blades (5) are fixedly arranged at the output ends of the wave making motors (4), a grid plate (6) is fixedly arranged at one end of the simulation box (1), and the grid plate (6) is positioned at one side of the fan blades (5); the opening and closing window comprises window toughened glass (10), a window inner frame (9) is connected to the outer side of the window toughened glass (10) in a sealing mode, a window outer frame (8) is fixedly connected to the toughened glass plate (2) in a sealing mode, and the window inner frame (9) is connected to the window outer frame (8) in a hinging mode through a hinging assembly; the locking assembly comprises a fixed seat (11) fixedly connected to the window outer frame (8), two groups of positioning blocks (12) are fixedly connected to the fixed seat (11), a pressing plate (14) is movably connected between the two groups of positioning blocks (12) through a pin shaft (13), one end of the pressing plate (14) is fixedly connected with a handle (15), the inner side of the other end of the pressing plate (14) is fixedly connected with a rubber rod (16), and the locking assembly is provided with a plurality of groups; the wave detector (35) adopts a wave intelligent measurement calculation method and formula for calculating wave fluctuation:
s1, detecting and calculating wave fluctuation by adopting a two-dimensional wave equation, wherein the two-dimensional wave equation is as follows: ζ=asin (kx—σt), where a is the amplitude of the wave, k is the wave number, σ is the circular frequency; 2 pi/sigma=t is a period, 2 pi/k=λ is a wavelength;
s2, the amplitude, wave number and circular frequency values in the wave equation can be obtained through actual measurement periods, wave heights and wavelengths;
s3, verifying the relation between the wavelength and the period and the wave speed by combining the wave speed equation c=sigma/k;
the average period for wavelength can be calculated by the following formula:
2. the laboratory wave intelligent measurement system according to claim 1, wherein: the moving mechanism comprises a plurality of fixed supporting rods (17) fixedly connected to the simulation box (1), the top ends of the fixed supporting rods (17) are fixedly connected with a track frame (18) together, and a moving trolley (19) is movably connected inside the track frame (18).
3. A laboratory wave intelligent measurement system according to claim 2, wherein: the horizontal moving mechanism comprises a servo motor (23) fixedly installed inside a moving trolley (19), two groups of transmission shafts (24) are connected inside the moving trolley (19) in a penetrating manner, rollers (25) are fixedly installed at two ends of each transmission shaft (24), a group of transmission shafts (24) are connected with a second conical gear (27) in a key manner, a first conical gear (26) is connected with an output end of the servo motor (23) in a key manner, the first conical gear (26) is meshed with the second conical gear (27), a gear box (28) is sleeved outside the first conical gear (26) and the second conical gear (27), a battery pack (29) is fixedly installed inside the moving trolley (19), and the battery pack (29) is electrically connected with the servo motor (23).
4. A laboratory wave intelligent measurement system according to claim 2, wherein: elevating system is including fixed mounting servo electric jar (20) at travelling car (19) top, the output fixedly connected with connecting rod (21) of servo electric jar (20), the bottom fixedly connected with mount pad (22) of connecting rod (21), wave detector (35) fixed mounting is in on mount pad (22), connecting rod groove (30) have been seted up to the bottom of travelling car (19), connecting rod (21) run through be in the inside of connecting rod groove (30).
5. The laboratory wave intelligent measurement system according to claim 1, wherein: the lower part of the simulation box (1) is fixedly connected with a supporting table top (31), and a plurality of groups of supporting legs (32) are welded at the bottom of the supporting table top (31).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111477315.1A CN114235334B (en) | 2021-12-06 | 2021-12-06 | Laboratory wave intelligent measurement system |
| PCT/CN2021/137682 WO2023102960A1 (en) | 2021-12-06 | 2021-12-14 | Intelligent wave measurement system in laboratory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111477315.1A CN114235334B (en) | 2021-12-06 | 2021-12-06 | Laboratory wave intelligent measurement system |
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| CN114235334A CN114235334A (en) | 2022-03-25 |
| CN114235334B true CN114235334B (en) | 2023-06-16 |
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| WO (1) | WO2023102960A1 (en) |
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| CN116805028B (en) * | 2023-08-17 | 2023-12-08 | 中国海洋大学 | Wave surface inversion method and system based on floating body motion response |
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| CN102829949A (en) * | 2012-08-21 | 2012-12-19 | 广东海洋大学 | Small-sized closed horizontal circulating water channel device |
| CN204666334U (en) * | 2015-06-01 | 2015-09-23 | 三峡大学 | A kind of experiment flow field wave simulation tank |
| CN205538155U (en) * | 2016-03-25 | 2016-08-31 | 中国海洋大学 | Controllable wave flows coupling and takes place and circulating device |
| CN206847903U (en) * | 2017-04-28 | 2018-01-05 | 中山市探海仪器有限公司 | A kind of comprehensive comprehensive marine parameter simulation laboratory |
| CN207180986U (en) * | 2017-09-14 | 2018-04-03 | 长春北兴激光工程技术有限公司 | Multi-functional stream of making makes ripple experimental machine |
| CN108180848A (en) * | 2017-12-15 | 2018-06-19 | 浙江海洋大学 | A kind of movable type wave run-up accurately measures device |
| CN109141819B (en) * | 2018-09-26 | 2023-10-03 | 中国工程物理研究院总体工程研究所 | Wave simulation generating device under supergravity field |
| CN209510104U (en) * | 2018-12-17 | 2019-10-18 | 河北五加金属门窗制造有限公司 | A kind of steel explosion relief door |
| JP7294983B2 (en) * | 2019-10-18 | 2023-06-20 | 日本無線株式会社 | Wave amplitude statistics calculator |
| CN111175020B (en) * | 2020-03-02 | 2024-07-12 | 大连理工大学 | Improved wave test wave-absorbing facility and performance testing device and method thereof |
| CN213209859U (en) * | 2020-07-21 | 2021-05-14 | 辽宁科技大学 | Wave making device for simulating corrosion environment of ocean splash zone |
| CN112664262A (en) * | 2020-12-24 | 2021-04-16 | 徐州兆恒工控科技有限公司 | Underground coal mine conveying device and control system thereof |
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| WO2023102960A1 (en) | 2023-06-15 |
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