CN205384247U - Ballast injection formula deep -sea sediment acoustic characteristic normal position measuring device - Google Patents
Ballast injection formula deep -sea sediment acoustic characteristic normal position measuring device Download PDFInfo
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- CN205384247U CN205384247U CN201620118512.2U CN201620118512U CN205384247U CN 205384247 U CN205384247 U CN 205384247U CN 201620118512 U CN201620118512 U CN 201620118512U CN 205384247 U CN205384247 U CN 205384247U
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Abstract
Ballast injection formula deep -sea sediment acoustic characteristic normal position measuring device is including outer supporting mechanism, injection actuating mechanism and control measuring mechanism triplex, outer supporting mechanism includes polygon support frame and stand pipe by the bolt -up, injection actuating mechanism is including lifting by crane subassemblies such as head, guide bar, activity pressure disk, mounting flange, ballast lead and probe rod, the control measuring mechanism includes state monitor sensor subassembly, acoustic sensor subassembly, control measuring circuit assembly, whether there is the communication cable to be connected according to between this measuring device and the deck control platform, adopts the real time monitoring mode respectively and accomplish the measurement process from the molarity formula. Stability when obviously outer supporting mechanism has guaranteed that measuring device sits the end in the seabed, the configuration of stand pipe and guide bar make probe rod drive acoustic transducer more smoothly in the injection deposit, come automatic judgement and control acoustic characteristic in site measurement process based on measuring device in seabed state parameter's collection, the control measuring mechanism has good scalability.
Description
Technical field
This utility model belongs to ocean monitoring technologytechnologies field, is specifically related to a kind of seabed sediment acoustics characteristic measuring device, especially a kind of ballast penetration type bottom sediment acoustic property in-site measurement apparatus.
Background technology
The acoustics parameters (referring mainly to rate of sound and attenuation of sound coefficient) of bottom sediment is to characterize the underlying parameter of its physical characteristic, it is possible to be widely used in sea water and seabed acoustic propagation research, multibeam calibration and seabed resources such as detect at the field.In recent years, in-situ technique becomes the development trend of seabed sediment acoustics feature measurement technology, domestic priority discloses the in-situ technique of several types, such as patent 200610155117.2.7 (a kind of multifrequency submarine acoustic in-situ testing system and method), 200910255767.8 (a kind of undersea sediment acoustic parameter in-situ measuring systems), 201010293649.9 (submarine sediment acoustic parameter in-situ measuring devices), 201010265697.7 (the bottom sediment acoustic property in-site detection systems based on hydraulic pressure injection) etc..These devices are all inside acoustic sensor injection deposit, will calculate rate of sound and attenuation of sound coefficient by the transmitting of sound wave and reception principle, and difference then essentially consists in arrangement and the injection mode of acoustic sensor.Arrangement mode includes horizontal array and orthogonal array two kinds, and injection mode then has deadweight (containing freely falling body) injection and hydraulic pressure injection two kinds.Different from above-mentioned, the utility model proposes a kind of bottom sediment acoustic property in-site measurement apparatus adopting ballast injection mode, both the problem be avoided that the seabed attitude that deadweight penetration type measurement system easily exists was uncontrollable, easily toppling over, also overcoming hydraulic pressure penetration type, to measure the weight that causes because of supporting hydraulic means and electrical source of power of system, volume excessive, the problems such as complicated operation, it will help improve efficiency and the reliability of sea survey operation.
Summary of the invention
This utility model provides a kind of ballast penetration type bottom sediment acoustic property in-site measurement apparatus, to overcome the deficiencies in the prior art.
A kind of ballast penetration type bottom sediment acoustic property in-site measurement apparatus, is characterized in that including outer support mechanism, injection driving mechanism and control measurement mechanism three part；
Described outer support mechanism includes the bracing frame fastened by bolt, and bracing frame top is a support plate, and described support plate lower end connects guide pipe；
Described injection driving mechanism includes lifting head, guide post, moveable platen, mounting flange, ballast lead and feeler lever；Described guide post is column structure, and described lifting head is positioned at guide post top, and as the upper limit parts of guide post；Described mounting flange is arranged on bottom guide post, and described guide post through described guide pipe and props up support plate and can move up and down in guide pipe, and the scope of movement is limited to lifting head and mounting flange；Described mounting flange bottom is connected to moveable platen；Described moveable platen is platy structure, and many vertical feeler levers are installed in moveable platen bottom；Moveable platen also carries ballast lead；The quantity of described feeler lever is more than two, and its front end is acoustic transducer；
Described control measurement mechanism, including status monitoring sensor cluster, acoustic sensor assembly, includes the sealed compartment of control measurement circuit and power supply；Wherein sealed compartment is equipped in described moveable platen；
Described state sensor assembly, including entering water sensor, bottoming out sensor and displacement transducer, the sensor is connected to the control measurement circuit in sealed compartment each through water-proof connector and cable；Described enter water sensor be arranged on injection driving mechanism；Described bottoming out sensor, its sensing parts are placed on outer support mechanism and injection driving mechanism with external trigger parts；Institute's displacement sensors, its protection shell is also placed on outer support mechanism and injection driving mechanism with measuring bar；Described bottoming out sensor and displacement transducer, the motion each through the relative outer support mechanism of injection driving mechanism produces signal；
Described acoustic sensor assembly, including the acoustic transducer being positioned at bottom feeler lever, described acoustic transducer is containing a transmitting transducer and more than one reception transducer, and is connected with the control measurement circuit in sealed compartment with cable by water-proof connector；
Described control measurement circuit includes central controller, acoustic emission acquisition module, data transmission module and obliquity sensor；
Described central controller, connects into water sensor respectively, bottoms out sensor, displacement transducer, obliquity sensor, to gather the signal of these sensors；Described central controller, is also connected with acoustic emission acquisition module and data transmission module, is controlled with the transmission to acoustic emission collection and signal data；
Described acoustic emission acquisition module, receives the instruction from central controller, controls acoustic transducer according to parameter preset and launches, gathers acoustic signals, stores after Signal Pretreatment, and be sent to data transmission module；
Described data transmission module, receives the state observation data from central controller and the observation data of the sound wave from acoustic emission acquisition module, and through being derived by PORT COM or carrying out real-time Data Transmission after data are packaged；
Described obliquity sensor, is integrated on the circuit board of central controller, the inclined degree of induction measurement devices.
Above-described ballast penetration type bottom sediment acoustic property in-site measurement apparatus, it is characterized in that the deck parametric controller also including being positioned on research vessel, described deck parametric controller carries out communication by the data transmission module of the communication cable controlled by winch and circuit of measurement and control；Described communication cable adopts shielded coaxial cable or optoelectronic composite cable.
Above-described ballast penetration type bottom sediment acoustic property in-site measurement apparatus, it is characterized in that described state sensor assembly also includes altimeter, Underwater Camera and underwater luminaire, described altimeter, Underwater Camera and underwater luminaire, be installed on injection driving mechanism；Described control measurement circuit also includes Lighting control and video server modules, when having communication cable to be connected between this measurement apparatus with deck parametric controller, the folding controlling underwater luminaire in real time obtains seabed image with Underwater Camera, and image data is sent to data transmission module.
Above-described ballast penetration type bottom sediment acoustic property in-site measurement apparatus, it is characterized in that described outer support mechanism, including at least four bracing frames, this bracing frame bottom is vertical section, upper bit tilting section, the tilting section on support frame as described above top is all connected to a support plate, the vertical section of support frame as described above bottom realizes being connected with each other between any two by horizontally disposed crossbeam, and often angle between adjacent two bracing frames is equal, so that outer support mechanism becomes an axially symmetric structure with axis.
Above-described ballast penetration type bottom sediment acoustic property in-site measurement apparatus, it is characterized in that described support disk shape is for circular or regular polygon, prop up support plate central authorities and be provided with perforate, aperture bottom is connected to guide pipe, described outer support mechanism also include may pass through guide post and be stuck on a support plate limit bolt, described limit bolt, it just allows guide post to move up and down after extracting.
Above-described ballast penetration type bottom sediment acoustic property in-site measurement apparatus, is characterized in that described acoustic transducer, is cylindric transducer, it is arranged on the feeler lever identical with its diameter, described acoustic transducer, its front end is taper, to reduce penetration resistance.
Whether described control measurement mechanism, according to there being communication cable to be connected between this measurement apparatus with deck parametric controller, be respectively adopted monitor in real time pattern and measure process from holding Pattern completion.
Described monitor in real time pattern measures process, and it, according to control measurement assembly collection the submerged condition information being uploaded to deck control station by communication cable in real time, carries out the transmitting of acoustic signals, collection and storage according to the parameter set in real time.
Described from molar formula measurement process, it is according to entering water sensor and bottoming out the status data of sensor acquisition and automatically control acoustic emission, collection and storing process, it includes judging into water, bottom out judgement, acoustic emission collection and storage, from processes such as end judgement, time delay judgement, water outlet judgements.
Feature of the present utility model is: outer support mechanism ensure that measurement apparatus stability at the bottom of the seat of seabed time, and the configuration of guide pipe and guide post makes feeler lever drive in acoustic transducer more smoothly injection deposit；Carry out automatic decision based on measurement apparatus in the collection of seabed conditions parameter and control acoustic characteristic in-situ measurement process；The good extensibility of control measurement mechanism makes measurement apparatus can select monitor in real time measurement pattern according to the hawser condition free that research vessel is equipped with or certainly hold measurement pattern.
Accompanying drawing explanation
Fig. 1. this utility model measurement apparatus side-looking structural representation.
Fig. 2 this utility model measurement apparatus plan structure schematic diagram.
Fig. 3 this utility model control measurement mechanism principle block diagram.
Fig. 4 present invention adopts the circuit operational flow diagram of monitor in real time pattern.
Fig. 5 present invention adopts from the circuit operational flow diagram holding monitoring mode.
Wherein, 1. 4. support plate 5. guide post 6. limit bolts 7. of bracing frame 2. guide pipe 3. crossbeam lifting, 8. moveable platen 9. mounting flange 10. ballast lead 11. feeler lever 12. pressure-resistant seal cabin 13. acoustic transducer 14. enter water sensor 15. and bottom out sensor 16. displacement transducer 17. control measurement circuit 18. central controller 19. acoustic emission acquisition module 20. data transmission module 21. obliquity sensor 22. altimeter 23. Underwater Camera 24. underwater luminaire 25. Lighting control and winch 27. deck, video server modules 26. deck parametric controller 28. communication cable.
Detailed description of the invention
Fig. 1～3 show the key component of ballast penetration type bottom sediment acoustic property in-site measurement apparatus, it is characterized in that including outer support mechanism, injection driving mechanism and control measurement mechanism three part；
Described outer support mechanism includes the bracing frame 1 fastened by bolt, and bracing frame 1 top is a support plate 4, and described support plate 4 lower end connects guide pipe 2；
Described injection driving mechanism includes lifting 7, guide post 5, moveable platen 8, mounting flange, ballast lead 10 and feeler lever 11；Described guide post 5 is column structure, and described lifting 7 is positioned at guide post 5 top, and as the upper limit parts of guide post 5；Described mounting flange 9 is arranged on bottom guide post 5, and described guide post 5 through described guide pipe 2 and props up support plate 4 and can move up and down in guide pipe 2, and the scope of movement is limited to lifting 7 and mounting flange 9；Described mounting flange 9 bottom is connected to moveable platen 8；Described moveable platen 8 is platy structure, and many vertical feeler levers 11 are installed in moveable platen 8 bottom；Moveable platen 8 also carries ballast lead 10；The quantity of described feeler lever 11 is more than two, and its front end is acoustic transducer 13；
Described control measurement mechanism, including status monitoring sensor cluster, acoustic sensor assembly, includes the sealed compartment 12 of control measurement circuit 17 and power supply；Wherein sealed compartment 12 is equipped in described moveable platen 8；
Described state sensor assembly, including entering water sensor 14, bottoming out sensor 15 and displacement transducer 16, the sensor is connected to the control measurement circuit 17 in sealed compartment 12 each through water-proof connector and cable；Described enter water sensor 14 be arranged on injection driving mechanism；Described bottoming out sensor 15, its sensing parts are placed on outer support mechanism and injection driving mechanism with external trigger parts；Institute's displacement sensors 16, its protection shell is also placed on outer support mechanism and injection driving mechanism with measuring bar；Described bottoming out sensor 15 and displacement transducer 16, the motion each through the relative outer support mechanism of injection driving mechanism produces signal；
Described acoustic sensor assembly, including the acoustic transducer 13 being positioned at bottom feeler lever 11, described acoustic transducer 13 is containing a transmitting transducer and more than one reception transducer, and is connected with the control measurement circuit 17 in sealed compartment 12 with cable by water-proof connector；
Described control measurement circuit 17 includes central controller 18, acoustic emission acquisition module 19, data transmission module 20 and obliquity sensor 21；
Described central controller 18, connects into water sensor 14 respectively, bottoms out sensor 15, displacement transducer 16, obliquity sensor 21, to gather the signal of these sensors；Described central controller 18, is also connected with acoustic emission acquisition module 19 and data transmission module 20, is controlled with the transmission to acoustic emission collection and signal data；
Described acoustic emission acquisition module 19, receives the instruction from central controller 18, controls acoustic transducer according to parameter preset and launches, gathers acoustic signals, stores after Signal Pretreatment, and be sent to data transmission module 20；
Described data transmission module 20, receives the state observation data from central controller 18 and the observation data of the sound wave from acoustic emission acquisition module 19, and through being derived by PORT COM or carrying out real-time Data Transmission after data are packaged；
Described obliquity sensor 21, is integrated on the circuit board of central controller 18, the inclined degree of induction measurement devices.
Such as Fig. 3, also including the deck parametric controller 27 being positioned on research vessel, described deck parametric controller 27 carries out communication by the data transmission module 20 of the communication cable 28 that controlled by winch 26 with circuit of measurement and control 17；Described communication cable 28 adopts shielded coaxial cable or optoelectronic composite cable.
Such as Fig. 3, described state sensor assembly also includes altimeter 22, Underwater Camera 23 and underwater luminaire 24, described altimeter 22, Underwater Camera 23 and underwater luminaire 24, is installed on injection driving mechanism；Described control measurement circuit 17 also includes Lighting control and video server modules 25, when having communication cable 28 to be connected between this measurement apparatus with deck parametric controller 27, the folding controlling underwater luminaire 24 in real time obtains seabed image with Underwater Camera 23, and image data is sent to data transmission module 20.
Such as Fig. 1, described outer support mechanism, including at least four bracing frames 1, this bracing frame 1 bottom is vertical section, upper bit tilting section, the tilting section on support frame as described above 1 top is all connected to a support plate 4, the vertical section of support frame as described above 1 bottom realizes being connected with each other between any two by horizontally disposed crossbeam 3, and often angle between adjacent two bracing frames 1 is equal, so that outer support mechanism becomes an axially symmetric structure with axis.
Such as Fig. 1, described support plate 4 be generally circular in shape or regular polygon, prop up support plate 4 central authorities and be provided with perforate, aperture bottom is connected to guide pipe 2, described outer support mechanism also include may pass through guide post 5 and be stuck on a support plate 4 limit bolt 6, described limit bolt 6, it just allows guide post 5 to move up and down after extracting.
Such as Fig. 1, described acoustic transducer 13, being cylindric transducer, be arranged on the feeler lever 11 identical with its diameter, described acoustic transducer 13, its front end is taper, to reduce penetration resistance.
Embodiment
Such as Fig. 1-3, ballast penetration type bottom sediment acoustic property in-site measurement apparatus of the present utility model, including outer support mechanism, three functional entities of injection driving mechanism and control measurement mechanism.
Described outer support mechanism, including the polygon bracing frame 1 fastened by bolt and guide pipe 2.Described polygon outer support frame, is connected by the tubular metal crossbeam 3 of bottom and the metal support disk 4 on top by the metal tube of more than four (for the six roots of sensation in the present embodiment).Described support plate 4, shape can be circular or polygon (for circle in the present embodiment), and the perforate of its central authorities connects guide pipe 2, it is allowed to the guide post 5 of injection driving mechanism through and freely up and down move.Described outer support mechanism, also include may pass through guide post 5 and be stuck on a support plate 4 limit bolt 6.Described limit bolt 6, it just allows guide post 5 to move up and down after extracting.
Described injection driving mechanism, it includes the assemblies such as lifting 7, guide post 5, moveable platen 8, mounting flange 9, ballast lead 10 and feeler lever 11.Described lifting 7, one end connects guide post 5, and as the upper limit parts of guide post 5, the other end can pass through to connect loop wheel machine by measurement apparatus integral lifting and movement.Described guide post 5, for irregular cylinder or multiedge cylinder (being cylinder in the present embodiment), through the guide pipe 2 of supporting mechanism and a support plate 4 and can move up and down, the scope of movement is limited to lifts by crane between 7 and mounting flange 9, and is subject to limit bolt 6 to control.Described mounting flange 9, is guide post 5 and the connection member of moveable platen 8, also as the lower limit parts of guide post 5.Described moveable platen 8, for polygon or circular metal tabular structure (being rectangle platy structure in the present embodiment), can pass through mounting flange 9 and move together with guide post 5, and the many feeler levers 11 connected its lower end synchronize injection or mention.Described moveable platen 8, the also sealed compartment 12 of carrying ballast lead 10 and control measurement mechanism.Described ballast lead 10, for the lead of polylith regular shape, is stacked in moveable platen 8, provides driving force for feeler lever 11 injection deposit.The thick-walled metal pipe that described feeler lever 11 is more than two (being four) in the present embodiment, be parallel to each other, its front end connects acoustic transducer 13, is that acoustic transducer 13 drives the drive disk assembly in injection deposit via ballast lead 10.
Described control measurement mechanism, it includes status monitoring sensor cluster, acoustic sensor assembly, control measurement circuit unit, power supply, sealed compartment, and connects water-proof connector and the cable assembly of said modules.
The state sensor assembly of described control measurement mechanism, it includes into water sensor 14, bottoms out the required assembly such as sensor 15 and displacement transducer 16, may also include the optional assemblies such as altimeter 22, Underwater Camera 23 and underwater luminaire 24, said modules is connected to the control measurement circuit 17 in sealed compartment 12 each through water-proof connector and cable.Described bottoming out sensor 15, its sensing parts are placed on outer support mechanism and injection driving mechanism with external trigger parts；Institute's displacement sensors 16, its protection shell is also placed on outer support mechanism and injection driving mechanism with measuring bar；Described bottoming out sensor 15 and displacement transducer 16, the motion each through the relative outer support mechanism of injection driving mechanism produces signal.
Described bottoming out sensor 15, when mentioning maximum position (namely reaching the lower limit of guide post 5) on injection driving mechanism, its output is from end signal；When injection driving mechanism is away from this maximum position, its output bottoms out signal.
Institute's displacement sensors, when mentioning maximum position (reaching the lower limit of i.e. guide post 5) on injection driving mechanism, its output displacement value is zero；When injection driving mechanism moves down into maximum position (namely reaching the upper limit of guide post 5), it exports maximum displacement value, namely the maximum depth of penetration of acoustic transducer 13.
Described enter the assembly such as water sensor 14, altimeter 22, Underwater Camera 23 and underwater luminaire 24, be installed on injection driving mechanism.Described optional assembly, the only situation for there being communication cable 28 to be connected between this measurement apparatus with deck parametric controller 27.Described communication cable 28, it is possible to for shielded coaxial cable or optoelectronic composite cable.
The acoustic sensor assembly of described control measurement mechanism, it includes one group of acoustic transducer 13, wherein containing a transmitting transducer and more than one reception transducer (in the present embodiment being three).Described acoustic transducer 13, is cylindric transducer, is arranged on the feeler lever 11 identical with its diameter, is connected with the control measurement circuit 17 in sealed compartment 12 with cable assembly by water-proof connector.Described acoustic transducer 13, its front end is taper, can reduce penetration resistance.
The control measurement circuit unit of described control measurement mechanism, it includes circuit module and the obliquity sensors 21 such as central controller 18, acoustic emission acquisition module 19, data transmission module 20.Described central controller 18, connects into water sensor 14 respectively, bottoms out sensor 15, the sensor such as displacement transducer 16, obliquity sensor 21 and altimeter 22, gathers the signal of these sensors.Described central controller 18, is also connected with acoustic emission acquisition module 19 and data transmission module 20, the transmission of acoustic emission collection and signal data is controlled.Described acoustic emission acquisition module 19, receives the instruction from central controller 18, controls acoustic transducer according to parameter preset and launches, gathers acoustic signals, stores after Signal Pretreatment, and be sent to data transmission module 20.Described data transmission module 20, receives the state observation data from central controller 18 and the observation data of the sound wave from acoustic emission acquisition module 19, and through being derived by PORT COM or carrying out real-time Data Transmission after data are packaged.Described obliquity sensor 21, is integrated on the circuit board of central controller 18, the inclined degree of induction measurement devices.
The control measurement circuit unit of described control measurement mechanism, also include optional Lighting control and video server modules 25, it has communication cable 28 to be connected between this measurement apparatus with deck parametric controller 27, the folding and the Underwater Camera 23 that control underwater luminaire 24 in real time obtain seabed image, and image data is sent to data transmission module 20.
The power supply of described control measurement mechanism is for providing electric power to control measurement circuit unit.
The sealed compartment assembly of described control measurement mechanism; waterproof, resistance to compression protection is provided for control measurement circuit unit and power supply module; including one or several metal sealing cabin 12 (in the present embodiment being two); the shell of sealed compartment 12 has water-proof connector and cable assembly, connects each sensor outside sealed compartment 12 and internal control measurement circuit 17.
Whether described control measurement mechanism, according to there being communication cable 28 to be connected between this measurement apparatus with deck parametric controller 27, be respectively adopted monitor in real time pattern and measure process from holding Pattern completion.
Described monitor in real time pattern measures process, and it, according to control measurement assembly collection the submerged condition information being uploaded to deck control station by communication cable in real time, carries out the transmitting of acoustic signals, collection and storage according to the parameter set in real time.Accompanying drawing 4 lists enforcement step, describes as follows:
Research vessel deck is connected the power supply of measurement apparatus, communication cable 28 is connected the sealed compartment 12 of built-in Monitoring and Controlling circuit 17, make the deck parametric controller 27 can with data transmission module 20 normal communication of Monitoring and Controlling circuit 17.Central controller 18 starts to gather the signal of each sensor, is sent to deck parametric controller 27 via data transmission module 20 and communication cable 28 and shows in real time.Starting deck winch 26, measurement apparatus sling, after pulling out limit bolt 6, put in water, the output entering water sensor 16 is become into water signal from water outlet signal.Deck winch 26, constantly to discharging measurement apparatus under water, stops release when each sensor shows it close to seabed, and the sound characteristics starting near Sea Bottom sea water is measured, as the reference of deposit sound characteristics in site measurement.nullNow deck parametric controller 27 sends startup acoustic emission instruction via central controller 18 to acoustic emission acquisition module 19，Acoustic emission acquisition module 19 (includes the waveform launching sound wave according to default emission parameter、Wave number、Frequency、Energy etc.) control the transmitting transducer corresponding acoustic signals of transmitting in acoustic transducer 13，Simultaneously according to presetting acquisition parameter (sample rate、Sampling length、Gain control etc.) gather from the acoustic signals receiving transducer，Amplify through gain、Store after the pretreatment such as filtering，Through being shown in real time on deck parametric controller 27 by data transmission module 20 and communication cable 28 simultaneously after the waveform of record being packed，Deck parametric controller 27 can adjust acoustic emission and acquisition parameter at any time according to the waveform situation of display，And repeat said process according to the parameter after adjusting，Record until obtaining satisfied signal waveform，Synchronous recording status signal data.Then proceed to release measurement apparatus and contact seabed to bracing frame 1, the stop motion of outer support mechanism, and injection driving mechanism continues downwards under load lead 10 drives, drive acoustic sensor 13 injection deposit gradually, penetration process repeats acoustic emission gatherer process similar in above-mentioned near-bottom sea water, until the signal of displacement transducer 16 no longer changes, it was shown that injection is to depth capacity.Then reclaim measurement apparatus, complete the in site measurement process of a real-time control mode.
Described real-time control mode measures process, its enforcement is not limited to said process, due to the auxiliary by communication cable 28, can the underwater operation process of monitor in real time measurement apparatus on deck parametric controller 27, therefore can according to different measurement targets, arbitrarily carry out various measurement to operate, as carried out repeatedly the repeated measure of the near Sea Bottom underwater sound, the injection measurement of Multiple depositions thing, Non-follow control depth of penetration etc. at an erect-position.
Described from molar formula measurement process, it is according to entering water sensor and bottoming out the status data of sensor acquisition and automatically control acoustic emission, collection and storing process, it includes judging into water, bottom out judgement, acoustic emission collection and storage, from processes such as end judgement, time delay judgement, water outlet judgements.Accompanying drawing 5 lists enforcement step, describes as follows:
Research vessel deck is connected the power supply of measurement apparatus, is connected the Monitoring and Controlling circuit 17 of host computer computer and measurement apparatus by wire, the running parameter of measurement apparatus is set.Break line, starts deck winch 26, measurement apparatus is sling, and after pulling out limit bolt 6, the central controller 18 of control measurement circuit 17 starts to gather the signal into water sensor.Measurement apparatus being hung in water, enter 14 Water Exit signals of water sensor, central controller 18 startup bottoms out monitoring process.Measurement apparatus is constantly transferred, bottom out sensor 15 and be in from end state all the time, until outer support frame 1 contacts seabed and stopping moves downward, guide post 5 then continues to move down under load lead 10 drives, the sensing parts bottoming out sensor 15 are driven to leave its external trigger parts, thus producing to bottom out signal to be sent to central controller 18.Central controller 18 gathers the signal output of displacement transducer 16 and obliquity sensor 21 immediately, control acoustic emission acquisition module 19 simultaneously, launch and gather acoustic signals via acoustic transducer 13 according to default transmitting and acquisition parameter, and store together with displacement data, inclination data.What then start next round bottoms out judgement process.Now load lead 10 drives in feeler lever 11 and the downward injection deposit gradually of acoustic transducer 13, bottom out sensor 15 also because sensing parts continue to export more and more far away from external trigger parts and bottom out signal, collect the central controller 18 bottoming out signal and also constantly control acoustic emission acquisition module repeat its transmission, gather acoustic signals and displacement, dip angle signal storing.Guide post 5 is with constantly moving down, until stopping after arriving lifting 7 upper limit.Deck operation state platform judges to be put into the end according to cable laying length and the water depth information measured in advance, then start to reclaim wirerope after being statically placed in seabed 1 minute, drives and moves on guide post 5.Guide post 5 moves past in journey, central controller 18 bottoms out signal and continuous repeat its transmission still according to what receive, gather acoustic signals and displacement signal and store, until guide post 5 moves on to the lower limit position on mounting flange 9, acoustic sensor 13 departs from seabed and enters in water, displacement transducer 16 resets and makes zero, bottom out sensor 15 to press close to external trigger parts because sensing parts and export from end signal, central controller 18 initially enters Time delay measurement process, delay duration sets (being set to 10s in the present embodiment) before measuring. continues during time delay to launch in water, gather acoustic signals, the near Sea Bottom underwater sound signal of storage is used for being deposited the contrast that thing acoustic characteristic is measured.After time delay time-out, central controller 18 controls acoustic emission acquisition module 19 and stops acoustic emission, reception, start to judge water outlet signal, wirerope constantly reclaims, until leaving the water surface, enter water sensor 16 and send water outlet signal, central controller 18 is automatically switched off the power supply of each sensor, control measurement circuit 17 enters holding state, guide post 5 inserts limit bolt 6 and measurement apparatus is put above deck, derive the data of storage with wire via data transmission module, complete once from the in site measurement process holding measurement pattern.
Described from holding measurement pattern, also can complete near Sea Bottom underwater acoustic measurement and mention until before water outlet, again transferring at any time, and repeat the injection measurement of aforesaid seabed and near Sea Bottom underwater acoustic measurement.Until measurement apparatus water outlet, entering water sensor 16 and send water outlet signal, central controller 18 is automatically switched off the power supply of each sensor, and control measurement circuit 17 enters holding state.Utilize the above-mentioned control to the process of measurement into water sensor 16, it is possible to avoid causing that measurement apparatus is run automatically because of maloperation above deck.
Claims (4)
1. a ballast penetration type bottom sediment acoustic property in-site measurement apparatus, is characterized in that including outer support mechanism, injection driving mechanism and control measurement mechanism three part；
Described outer support mechanism includes the bracing frame (1) fastened by bolt, and bracing frame (1) top is a support plate (4), and described support plate (4) lower end connects guide pipe (2)；
Described injection driving mechanism includes lifting head (7), guide post (5), moveable platen (8), mounting flange (9), ballast lead (10) and feeler lever (11)；Described guide post (5) is column structure, and described lifting head (7) is positioned at guide post (5) top, and as the upper limit parts of guide post (5)；Described mounting flange (9) is arranged on guide post (5) bottom, and described guide post (5) through described guide pipe (2) and a support plate (4) and can move up and down in guide pipe (2), the scope of movement is limited to lifts by crane head (7) and mounting flange (9)；Described mounting flange (9) bottom is connected to moveable platen (8)；Described moveable platen (8) is platy structure, and many vertical feeler levers (11) are installed in moveable platen (8) bottom；Moveable platen (8) also carries ballast lead (10)；The quantity of described feeler lever (11) is more than two, and its front end is acoustic transducer (13)；
Described control measurement mechanism, including status monitoring sensor cluster, acoustic sensor assembly, includes the sealed compartment (12) of control measurement circuit (17) and power supply；Wherein sealed compartment (12) is equipped in described moveable platen (8)；
Described state sensor assembly, including entering water sensor (14), bottoming out sensor (15) and displacement transducer (16), the sensor is connected to the control measurement circuit (17) in sealed compartment (12) each through water-proof connector and cable；Described enter water sensor (14) be arranged on injection driving mechanism；Described bottoming out sensor (15), its sensing parts are placed on outer support mechanism and injection driving mechanism with external trigger parts；Institute's displacement sensors (16), its protection shell is also placed on outer support mechanism and injection driving mechanism with measuring bar；Described bottoming out sensor (15) and displacement transducer (16), the motion each through the relative outer support mechanism of injection driving mechanism produces signal；
Described acoustic sensor assembly, including the acoustic transducer (13) being positioned at feeler lever (11) bottom, described acoustic transducer (13) is containing a transmitting transducer and more than one reception transducer, and is connected with the control measurement circuit (17) in sealed compartment (12) with cable by water-proof connector；
Described control measurement circuit (17) includes central controller (18), acoustic emission acquisition module (19), data transmission module (20) and obliquity sensor (21)；
Described central controller (18), connects into water sensor (14) respectively, bottoms out sensor (15), displacement transducer (16), obliquity sensor (21), to gather the signal of these sensors；Described central controller (18), is also connected with acoustic emission acquisition module (19) and data transmission module (20), is controlled with the transmission to acoustic emission collection and signal data；
Described acoustic emission acquisition module (19), receive the instruction from central controller (18), control acoustic transducer according to parameter preset to launch, gather acoustic signals, store after Signal Pretreatment, and be sent to data transmission module (20)；
Described data transmission module (20), receive the state observation data from central controller (18) and the observation data of the sound wave from acoustic emission acquisition module (19), and through being derived by PORT COM or carrying out real-time Data Transmission after data are packaged；
Described obliquity sensor (21), is integrated on the circuit board of central controller (18), the inclined degree of induction measurement devices.
2. ballast penetration type bottom sediment acoustic property in-site measurement apparatus as claimed in claim 1, it is characterized in that the deck parametric controller (27) also including being positioned on research vessel, described deck parametric controller (27) carries out communication by the data transmission module (20) of the communication cable (28) controlled by winch (26) and circuit of measurement and control (17)；Described communication cable (28) adopts shielded coaxial cable or optoelectronic composite cable.
3. ballast penetration type bottom sediment acoustic property in-site measurement apparatus as claimed in claim 2, it is characterized in that described state sensor assembly also includes altimeter (22), Underwater Camera (23) and underwater luminaire (24), described altimeter (22), Underwater Camera (23) and underwater luminaire (24), be installed on injection driving mechanism；Described control measurement circuit (17) also includes Lighting control and video server modules (25), when having communication cable (28) to be connected between this measurement apparatus with deck parametric controller (27), the folding controlling underwater luminaire (24) in real time obtains seabed image with Underwater Camera (23), and image data is sent to data transmission module (20).
4. ballast penetration type bottom sediment acoustic property in-site measurement apparatus as claimed in claim 1, it is characterized in that described outer support mechanism, including at least four bracing frames (1), this bracing frame (1) bottom is vertical section, upper bit tilting section, the tilting section on support frame as described above (1) top is all connected to a support plate (4), the vertical section of support frame as described above (1) bottom realizes being connected with each other between any two by horizontally disposed crossbeam (3), and often angle between adjacent two bracing frames (1) is equal, so that outer support mechanism becomes an axially symmetric structure with axis.
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| CN105548368A (en) * | 2016-02-06 | 2016-05-04 | 国家海洋局第一海洋研究所 | Ballast injection type in-situ measurement device for acoustic characteristics of bottom sediments |
| CN107064294A (en) * | 2017-06-12 | 2017-08-18 | 国家海洋技术中心 | The data acquisition device of bottom sediment original position acoustic measurement system |
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