CN209399978U - A kind of acoustic detection device for water course survey - Google Patents

Abstract

This case discloses a kind of acoustic detection device for water course survey, the acoustic detection device includes: the multiple floating survey meters and monitor station being sequentially connected, and the floating survey meter includes: floating plate, the floatation assembly that the floating plate lower end is arranged in, the turntable being rotatably arranged on the floating plate and the support plate being arranged in above the turntable；Wherein, multiple detectors are distributed in the circumferentially-spaced of the turntable, and controller, sub- wireless transceiver and locator are provided in the support plate, and the controller is connected with the multiple detector, sub- wireless transceiver and locator respectively；The monitor station includes: master controller, main wireless transceiver and display screen, and the master controller is connected with the main wireless transceiver and display screen respectively.The acoustic detection device that this case provides can be used in detecting a certain range of water course survey automatically, and be able to achieve long-range monitoring.

Description

A kind of acoustic detection device for water course survey

Technical field

The utility model relates to detection device fields, specifically, the utility model relates to a kind of sound for water course survey Wave detection device.

Background technique

The hydrographic information in navigation channel has important influence to shipping operation, and existing navigation channel information is generally used artificial survey Amount and artificial regeneration, the man power and material expended using manual measurement and artificial regeneration is too many, and waste of human resource is serious, and It is influenced by weather condition, manual work not can guarantee all to be implemented daily, and the result measured also will receive influence, traditional Shipping lane monitoring device, inconvenient to carry, detection speed is slow, and monitoring accuracy is low, and position is non-adjustable, and the practicability is poor.

By the retrieval discovery to existing technical literature, Chinese utility model patent publication number CN204612706U, the reality A kind of shipping lane detection device, including main tank, handle, display screen, inside groove, connecting line, connector, suspension are disclosed with novel Part, measuring piece, ultrasonic detector, temperature sensor, protective layer and data line, the main tank front are equipped with display screen, top surface Equipped with handle, right side is equipped with inside groove, is equipped with data processor and battery, the data processor and connecting line in main tank Connection, the connecting line are pierced by main tank, are connect by connector with floatation part, and the floatation part is fixedly connected with measuring piece, institute It states and is equipped with ultrasonic detector and temperature sensor in measuring piece.It is connected between measuring piece and data processor by connecting line, Connecting line limited length, therefore measuring piece measurement is limited in scope, and wired connection type makes detection device inconvenient to carry, Connecting line is also easy to damage in use process, influences normal use.

Chinese utility model patent publication number CN206609428U, the utility model disclose a kind of intelligent navigation channel data inspection The bottom both ends of measurement equipment, including flotation tank, controller, battery, ultrasonic detector and display screen, flotation tank are fixed respectively There are left vertical end plate and right vertical end plate, the left side outer wall of right vertical end plate is fixed with a servo motor, a left side for right vertical end plate Side outer wall is further fixed on one for covering the waterproof cover of servo motor, is fixed with the shaft coupling extended to outside waterproof cover on servo motor Device, the end of shaft coupling are fixed with threaded screw rod, and screw thread is equipped with a sliding seat on threaded screw rod, and ultrasonic detector is mounted on The bottom of sliding seat.Sliding seat slides on threaded screw rod, and then ultrasonic detector is driven point-blank to move, this is just The water-depth measurement of difference on straight line can be fast implemented.However the limited length of threaded screw rod, ultrasonic detector institute The range that can be detected is limited to.

Utility model content

For the shortcomings of the prior art, the purpose of the utility model is to provide a kind of for water course survey Acoustic detection device, the acoustic detection device includes multiple floating survey meter and monitor station being sequentially connected, so that the sound Wave detection device can automatically detect a certain range of navigation channel information, and realize long-range monitoring；And the floating detection The position of instrument is adjustable, can be realized automatic evacuation.

The utility model discloses a kind of acoustic detection device for water course survey, including the multiple floatings being sequentially connected Survey meter and monitor station,

The floating survey meter includes: floating plate, the floatation assembly that the floating plate lower end is arranged in, is rotatably arranged on institute The support plate stating the turntable on floating plate and being arranged in above the turntable；Wherein, the turntable is circumferentially-spaced Multiple detectors are distributed with, and are provided with controller, sub- wireless transceiver and locator, the controller in the support plate It is connected respectively with the multiple detector, sub- wireless transceiver and locator；

The monitor station includes: master controller, main wireless transceiver and display screen, the master controller respectively with the master Wireless transceiver is connected with display screen；

Wherein, there is signal connection, the main nothing between the sub- wireless transceiver on the two neighboring floating survey meter There is signal connection between line transceiver and the sub- wireless transceiver of the closest monitor station.

Preferably, the multiple detector includes: multi-beam echo sounding instrument, side scan sonar, acoustic Doppler fluid velocity profile instrument And sonic wave gauge.

Preferably, the floatation assembly includes:

Main floating ball is coaxially disposed in the lower section of the floating plate, and the main floating ball is hemispherical；

Multiple pair floating balls, the multiple pair floating ball are distributed in a uniformly spaced manner the circumferential direction in the floating plate, the pair floating ball In the chondritic of boring, and each secondary floating ball is fixedly connected by connecting rod with the floating plate.

Preferably, the main floating ball includes:

First outer cover offers multiple first ventholes thereon；

Second outer cover, fitting are set to the inside of first outer cover, and be provided on second outer cover with it is described Multiple second ventholes that multiple first ventholes match；

Interior air bag is arranged at intervals in second outer cover, and the interior air bag is hollow structure, in the interior air bag Bottom end is provided with clump weight, and forms a cavity between the interior air bag and second outer cover.

Preferably, the radially opposite sides of the floating survey meter are provided with for being connected with the adjacent floating survey meter Connecting pin, and the multiple first venthole along where the connecting pin radial symmetric be distributed.

Preferably, the circumferentially fixed of second outer cover has multiple dowels, and the multiple dowel is with setting described Rotary shaft in second outer cover central axial direction is fixedly linked, so that the rotary shaft and second outer cover link.

Preferably, the rotary shaft is connect through the floating plate, turntable and support plate with a motor drive, works as institute When stating the rotation of rotary shaft described in motor driven, the second outer cover synchronous rotary, so that second venthole is selectively It is overlapped or interlocks with corresponding first venthole.

Preferably, a gap, the gap and the interior air bag and second outer cover are offered on first outer cover Between the cavity that is formed be connected.

Preferably, air compressor, the gas outlet of the air compressor and the gap are provided in the support plate Between be connected with an appendix, and Unidirectional solenoid valve is provided at the gas outlet, the Unidirectional solenoid valve and the sky Air compressor is electrically connected with the controller.

The beneficial effects of the utility model are:

1) acoustic detection device that the utility model discloses, including multiple floating survey meters being sequentially connected and monitoring Platform, floating can be by whole by force transfer by the mutual transmission that wireless transceiver carries out navigation channel information between survey meter The navigation channel information that detector on floating survey meter detects finally is transmitted to monitor station, and shows on the display screen of monitor station Show, so that the acoustic detection device can automatically detect a certain range of navigation channel information, and realizes long-range monitoring.

2) acoustic detection device that the utility model discloses comprising have turntable and multiple detectors, multiple detectors It can sound the depth of the water respectively, seafloor topography, flow velocity and wave, turntable drive multiple detector rotations, can detect A variety of navigation channel information of different direction, realize comprehensive detection, and improve detection accuracy.

3) acoustic detection device that the utility model discloses includes main floating ball and multiple secondary floating balls, can guarantee to float Plate is kept afloat, and main floating ball bottom end is provided with clump weight, and under the impact of wave, the acoustic detection device will not topple；Institute Stating main floating ball is multilayered structure, includes the first outer cover, the second outer cover and interior air bag, first is provided on the first outer cover and is gone out Stomata is provided with the second venthole on the second outer cover, forms a cavity between the second outer cover and interior air bag, pass through control section First venthole and the second venthole are overlapped, and to holding interacvity air-filling, the position of adjustable floating survey meter, so as to Realize automatic evacuation.

Detailed description of the invention

In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with Other attached drawings are obtained according to these figures.

Fig. 1 is a kind of structural schematic diagram for floating survey meter that one embodiment of the disclosure provides；

Fig. 2 is a kind of schematic diagram of internal structure for floating survey meter that one embodiment of the disclosure provides；

Fig. 3 is a kind of structural schematic diagram for main floating ball that one embodiment of the disclosure provides；

Fig. 4 is a kind of fractionation structural representation for main floating ball that one embodiment of the disclosure provides；

Fig. 5 is a kind of structural schematic diagram of the first outer cover of main floating ball that one embodiment of the disclosure provides；

Fig. 6 is a kind of structural schematic diagram of the second outer cover of main floating ball that one embodiment of the disclosure provides；

Fig. 7 is a kind of operation principle schematic diagram for main floating ball that one embodiment of the disclosure provides；

Fig. 8 is a kind of working principle signal for acoustic detection device for water course survey that one embodiment of the disclosure provides Figure.

Specific embodiment

The following describes the utility model in further detail with reference to the accompanying drawings, the aforementioned and other mesh of the utility model , features, aspects and advantages will be apparent, to enable those skilled in the art's refer to the instruction text real accordingly It applies.In the accompanying drawings, for clarity, shape and size can be amplified, and identical attached drawing mark will be used in all figures Note is to indicate the same or similar component.In the following description, such as center, thickness, height, length, front, back, rear portion, The words such as the left side, the right, top, bottom, top, lower part are to be based on the orientation or positional relationship shown in the drawings.Particularly, " high Degree " is equivalent to size from the top to the bottom, and " width " is equivalent to size from left to right, and " depth " is equivalent to be arrived in the past Size afterwards.These relative terms are to be not intended to need specifically to be orientated for convenience and usually.Be related to attachment, Connection etc. term (for example, " connection " and " attachment ") refer to these structures pass through intermediate structure directly or indirectly to one another fixation or The relationship of attachment and movable or rigidly attached or relationship, unless otherwise clearly stating.

The utility model discloses a kind of acoustic detection device for water course survey, the acoustic detection device includes The multiple floating survey meters and monitor station being sequentially connected, in some embodiments, the multiple floating survey meter can pass through Connecting rope is connected with each other.In some other embodiment, the multiple floating survey meter can be connected with each other by connecting rod, institute Stating connecting rod can be electric telescopic rod, in order to transportation.

Wherein, the specific structure of the floating survey meter is as shown in Figure 1, it can be seen from the figure that the floating survey meter It include floating plate 1, floatation assembly, turntable 2 and support plate 10.The turntable 2 is set to the upper of the floating plate 1 Side, the support plate 10 is fixed on the top in the support plate and being located at the turntable 2 by multiple support columns 12, described Turntable 2 drives its rotation by a motor 9, and multiple detectors 6, the multiple spy is distributed in circumferentially-spaced in turntable 2 Surveying device 6 is respectively multi-beam echo sounding instrument, side scan sonar, acoustic Doppler fluid velocity profile instrument and sonic wave gauge, more waves Beam survey meter can be used for sounding the depth of the water, and the side scan sonar is used to reconnoitre water-bed topography and geomorphology, the acoustic Doppler stream Fast section plotter can be used for detecting flow velocity, and the sonic wave gauge, which can be used for detecting, surges.It, can be with when turntable 2 rotates The multiple detector 6 is driven to rotate, i.e., the multiple detector can carry out 360 degree of multi-faceted detections respectively, to increase Detection range, and in rotation detection process, a detector can repeat to detect repeatedly, in some implementations to the same area In example, the average result of the repeated detection testing result final as the region can be extracted, so as to greatly improve detection Precision.It is worth noting that, multiple floating survey meters described in the disclosure are not only limited in four kinds of acoustic soundings mentioned above Device, can also include that other can be used to detect the probe microphone of navigation channel information, for example, for detect water-bed stratum shallowly Layer section plotter.Controller is provided on floating plate, the controller is electrically connected with the multiple detector, thus multiple detections The information about navigation channel that device can will test is transmitted to controller.

The lower section of floating plate 1 is provided with floatation assembly, being used to support the floating plate 1 makes it swim in the water surface, described Floatation assembly includes main floating ball 3 and multiple secondary floating balls 4, and the multiple pair floating ball 4 is distributed in a uniformly spaced manner in the floating plate In 1 circumferential direction, each secondary floating ball 4 is fixedly connected by a connecting rod 5 with the floating plate 1.The pair floating ball 4 is in spherical knot Structure and boring make it be easier to swim in the water surface.The pair floating ball 4 can be rubber material or be light metal material.Institute Stating main floating ball 3 is dome-type, and the main floating ball 3 is multilayered structure, specific structure such as Fig. 3 and Fig. 4 institute of the main floating ball 3 Show, the main floating ball 3 includes the first outer cover 30, the second outer cover 31 and interior air bag 32.First outer cover 30 is placed in outermost, And multiple first ventholes 301 are offered on first outer cover 30, the fitting of the second outer cover 31 is set to first outer cover 30 Inside, and the second venthole 311 to match with first venthole 301 is offered on second outer cover 31.It is described Interior air bag 32 is arranged at intervals in second outer cover 31, and the interior air bag 31 is hollow structure, and its bottom end is provided with counterweight Block 321, under the situation that The turbulent river crashes its way through, the main floating ball 3 is able to maintain stabilization, therefore the floating plate 1 can be supported to make it not It can topple.A cavity is formd between interior air bag 32 and second outer cover 31, specific structure may refer to shown in Fig. 2, by As it can be seen that offering a gap 302 on first outer cover 30 in figure, the gap 302 is connected with the cavity, and described open-minded An appendix 13 is connected at mouth 302, the appendix 13 is connected with the air compressor 14 for being arranged on the supporting plate 10.It is described The gas outlet of air compressor 14 is provided with electromagnetism check valve 15, and the electromagnetism check valve 15 is electrically connected with the controller, When the 311 phase mutual respect of the second venthole on the first venthole of part 301 and second outer cover 31 on first outer cover 30 When conjunction, the controller controls the electromagnetism check valve 15 and opens, and the compressed air in air compressor 14 passes through appendix 13 It is entered in cavity by gap 302, then the cavity is discharged in the first venthole 301 by partially overlapping and the second venthole 311, Due to the reaction of power, while main floating ball 3 discharges gas, by the effect of deboost, main 3 position of floating ball hair It is raw to change, so that the position of entire floating survey meter be driven to change.Alternatively, the air compressor can be replaced pressure Contracting air tank.

As shown in Fig. 2, having multiple dowels 312 in the circumferentially fixed of the second outer cover 31, the multiple dowel 312 is uniformly It is spaced apart on the outer wall of a rotary shaft 8, the rotary shaft 8 is located on the central axis of second outer cover 31, and described Rotary shaft 8 is sequentially connected through the floating plate 1, turntable 2 and support plate 10 and motor 11, and the motor 11 is fixed on institute It states in support plate 10, when the motor drives the rotary shaft 8 rotation, the rotary shaft 8 drives second outer cover 31 same Step rotation, so that second outer cover 31 and the first outer cover 30 relatively rotate, thus the part on first outer cover 30 the One venthole 301 and the second venthole 311 overlap or interlaced.

The first venthole 301 and the second venthole when the position for floating survey meter is fixed, on first outer cover 30 311 be it is interlaced, i.e., the described cavity with the external world be isolated, moisture is not easily accessed to the cavity.When needing to adjust When the position of section floating survey meter, the controller control operating of motor 11 drives rotary shaft 8 to rotate, thus the second outer cover 31 The rotation of certain angle occurs so that 311 phase of first venthole 301 and the second venthole relative to first outer cover 30 Mutually it is overlapped.The setting of 30 the first venthole 301 may refer to shown in Fig. 5 on first outer cover, since the multiple floating detects Instrument is interconnected, therefore the radially opposite sides of a floating survey meter have a connecting pin respectively, the connecting pin on the first outer cover 30 The radially opposite sides at place have been symmetrically arranged multiple first ventholes 301, the multiple first venthole 301 can be divided and are Four groups, the radially opposite sides where connecting pin are respectively arranged with two group of first venthole, 31 the second venthole 311 on the second outer cover Setting may refer to shown in Fig. 6, it can be seen that second venthole 311 is accordingly arranged to four groups.Specific first The setting form and relative motion of outer cover 30 and the venthole on the second outer cover 31 may refer to shown in Fig. 7, as shown, axis C is the axis floated where the connecting pin of survey meter two sides, is provided with four group of first venthole on the first outer cover 30, respectively A1, a2, a3 and a4, wherein a1 and a2 is placed in the side of axis c, and a3 and a4 are placed in the other side of axis c, and 31 is corresponding on the second outer cover It is provided with four group of second venthole, respectively b1, b2, b3 and b4, wherein b1 and b2 is to be disposed adjacent, in floating survey meter position When fixed, as shown in Figure 7 701, second venthole b1, b2, b3, b4 and first venthole a1, a2, a3, a4 are interlaced. When needing to adjust the position of floating survey meter, the second outer cover 31 of rotation, as shown in Figure 7 702, rotate clockwise described second Outer cover 31, the second outer cover 31 turns an angle, so that a1 and b1 and a2 and b4 coincide, i.e. the first outlet of the upper end axis c Hole and the second venthole are overlapped, and the first venthole 301 and the second venthole 311 of the lower end axis c are still interlaced, will compress When air is input in cavity, a1 and b1 and b4 and a2 of the compressed gas through overlapping are expelled to outside main floating ball 3, due to anti- To active force, it will push main floating ball 3 and moved along arrow direction as shown in the figure, to change the position of main floating ball 3.In Fig. 7 Shown 703, a3 and b2 and b3 and a4 phase mutual respect when second outer cover 31 rotates counterclockwise certain angle, below axis c It closing, the first venthole and the second venthole above axis c are interlaced, when compressed air is input in cavity, compressed gas A1 and b1 and b4 and a2 of the body through overlapping are expelled to outside main floating ball 3, due to opposition, will push main 3 edge of floating ball In figure direction shown in arrow it is mobile, to change the position of main floating ball 3.It is worth noting that, in the first venthole of part and When second venthole overlaps, moisture can be entered in main floating ball, due to having capsula interna 32 and floating plate 1 in main floating ball 3 Surrounding has multiple secondary floating balls 4, therefore floating survey meter will not topple, and compressed air pressure is big, when main floating ball 3 is discharged, Moisture in main floating ball 3 can be discharged and moisture is hindered to enter, therefore, floating survey meter can still keep stabilization to swim in the water surface. It should be understood that being merely illustrative ground, the first venthole 301 and the to the structure of the first outer cover 30 and the second outer cover 31 above The setting form of two ventholes 311 is not limited to this, as long as guaranteeing that two sides connecting pin connects when adjusting the position of floating survey meter The first venthole and the second venthole for connecing the one end for the line to be formed are overlapped, the first venthole and the second venthole of the other end It is interlaced.

Solar panel is provided in support plate 10, the solar panel is used as all electronic components on the floating survey meter Power supply device.It should be understood that the solar panel includes but is not limited to rechargeable battery and disposable battery.

Locator is provided in support plate 10, the locator is electrically connected with the controller, and the locator is able to detect The position of each floating survey meter out, so that the navigation channel information that detector herein is detected is corresponding with geographical location, The position of floating survey meter can also be adjusted according to the position that locator detects, in some embodiments, detected in floating Instrument surrounding is provided with range sensor, when detecting that floating survey meter surrounding objects are less than certain numerical value apart from it, that is, adjusts The position of floating survey meter is avoided.Sub- wireless transceiver, the sub- wireless transceiver and institute are additionally provided in support plate 10 Controller electrical connection is stated, what the controller can detect the navigation channel information and locator that the detector received detects Location information is sent by the sub- wireless transceiver, and the wireless transceiver can be with radio-frequency transceiver, in this reality It applies in example, can send and receive information in certain distance using nRF24L01 as wireless transceiver.Adjacent Wireless transceiver on two floating survey meters can carry out the mutual transmission between information, the information between specific survey meter Transmission mode may refer to shown in Fig. 8, and corresponding navigation channel information is transmitted to by locator by location information and each detector The controller of corresponding floating survey meter, controller are transmitted to adjacent floating by coupled sub- wireless transceiver again and visit It surveys on the sub- wireless transceiver on instrument, and the sub- wireless transceiver is again by information that its controller is sent and the information one received The sub- wireless transceiver being sent on next floating survey meter is acted, in the manner described above, carries out force transfer, multiple floatings are visited Monitor station can be all transmitted to by surveying the information that instrument is monitored, main wireless transceiver is provided on monitor station and is connect to carry out information It receives, in the present embodiment, the main wireless transceiver is all nRF24L01, and the main wireless transceiver can will be received Information is transmitted to the master controller on monitor station, and the display screen being electrically connected with the master controller, master control are provided on monitor station Device processed handles all information received and is showed on the display screen, and each drift can be observed from display screen The navigation channel information that floating survey meter detects, and the navigation channel information is also corresponding with geographical location.Due to wireless transceiver Transmission direction be it is two-way, the master controller of monitor station can will control information by main wireless transceiver be transmitted to each height without The control information received is transmitted to controller again by line transceiver, sub- wireless transceiver, and controller can be according to the control received The operating of information control motor 9, motor 11, Unidirectional solenoid valve 15 and air compressor 14 processed, visits each floating with realizing Survey the long-range control of instrument.

As shown in Figure 1, will receive the intrusion of moisture to guarantee the related device in support plate 10 not, in support plate 10 It is detachably provided with an outer cover 7, controller, sub- wireless transceiver and motor 11 are placed in the outer cover 7.

The application method of the acoustic detector of the utility model is as follows:

Launch multiple floating survey meters；

Start the locator on each floating survey meter, the locator detects the location information of the floating survey meter simultaneously The location information is transmitted to controller；

The controller controls the starting of motor 11 according to the positional information, and motor 11 drives rotary shaft 8 to rotate, to drive The second outer cover 31 on the main floating ball 3 rotates certain angle, so that the first venthole of the radial side where connecting pin 301 overlap with corresponding second venthole 311；

The controller controls the Unidirectional solenoid valve 15 and opens, and the compressed air in air compressor is via appendix 13 It enters in the cavity that is formed between interior air bag 32 and the second outer cover 31 and from the first venthole 301 of coincidence and the second venthole 311 discharges, floating survey meter are moved to specific position；

The controller controls the Unidirectional solenoid valve 15 and closes and control 11 reverse starting of motor, the second outer cover 31 Certain angle is rotated, so that the first venthole 301 and the second venthole 311 are interlaced；

The controller controls multiple detectors 6 and is actuated for navigation channel infomation detection, and controls the turntable 2 and rotate, The turntable 2 drives the multiple detector 6 to carry out multi-faceted measurement, and the data of measurement are transmitted to controller；

The measurement data is transmitted to adjacent sub- wireless transceiver through sub- wireless transceiver by the controller, through relay Transmission, the main wireless transceiver receive the measurement data of closest sub- wireless transceiver transmission and by the measurement data It is transmitted to master controller；

The master controller carries out data processing to the measurement data and shows on the display screen.

It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art, Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality It is not limited to specific details with novel.

Claims (9)

1. a kind of acoustic detection device for water course survey, including the multiple floating survey meters being sequentially connected and monitor station, It is characterized by:

It is described floating survey meter include: floating plate (1), setting the floating plate (1) lower end floatation assembly, be rotatably arranged on The support plate (10) of turntable (2) and setting above the turntable (2) on the floating plate (1)；Wherein, the rotation The circumferentially-spaced of turntable (2) is distributed with multiple detectors (6), and the wireless receipts of controller, son are provided in the support plate (10) Hair device and locator, the controller are connected with the multiple detector, sub- wireless transceiver and locator respectively；

The monitor station includes: master controller, main wireless transceiver and display screen, and the master controller is wireless with the master respectively Transceiver is connected with display screen；

Wherein, there is signal connection between the sub- wireless transceiver on the two neighboring floating survey meter, the master wirelessly receives Sending out between device and the sub- wireless transceiver of the closest monitor station has signal connection.

2. acoustic detection device as described in claim 1, which is characterized in that the multiple detector includes: multi-beam echo sounding Instrument, side scan sonar, acoustic Doppler fluid velocity profile instrument and sonic wave gauge.

3. acoustic detection device as claimed in claim 1 or 2, which is characterized in that the floatation assembly includes:

Main floating ball (3) is coaxially disposed in the lower section of the floating plate (1), and the main floating ball (3) is hemispherical；

Multiple pair floating balls (4), the multiple pair floating ball (4) are distributed in a uniformly spaced manner the circumferential direction in the floating plate (1), the pair Floating ball (4) is in the chondritic of boring, and each secondary floating ball (4) connects by the way that connecting rod (5) and the floating plate (1) are fixed It connects.

4. acoustic detection device as claimed in claim 3, which is characterized in that the main floating ball (3) includes:

First outer cover (30) offers multiple first ventholes (301) thereon；

Second outer cover (31), fitting are set to the inside of first outer cover (30), and are arranged on second outer cover (31) There are multiple second ventholes (311) to match with the multiple first venthole (301)；

Interior air bag (32) is arranged at intervals in second outer cover (31), and the interior air bag (32) is hollow structure, described The bottom end of interior air bag (32) is provided with clump weight (321), and is formed between the interior air bag (32) and second outer cover (31) One cavity.

5. acoustic detection device as claimed in claim 4, which is characterized in that the radially opposite sides of the floating survey meter are provided with Connecting pin for being connected with the adjacent floating survey meter, and the multiple first venthole (301) is along the company Connect the radial symmetric distribution where end.

6. acoustic detection device as claimed in claim 4, which is characterized in that second outer cover (31) it is circumferentially fixed have it is more A dowel (312), the multiple dowel (312) and the rotation being arranged in the second outer cover (31) central axial direction Axis (8) is fixedly linked, so that the rotary shaft (8) and second outer cover (31) are linked.

7. acoustic detection device as claimed in claim 6, which is characterized in that the rotary shaft (8) runs through the floating plate (1), turntable (2) and support plate (10) and a motor (11) are sequentially connected, when the motor (11) drive the rotary shaft (8) rotate when, the second outer cover (31) synchronous rotary so that second venthole (311) selectively with it is corresponding First venthole (301) is overlapped or interlocks.

8. acoustic detection device as claimed in claim 7, which is characterized in that offer a gap on first outer cover (30) (302), the cavity formed between the gap (302) and the interior air bag (32) and second outer cover (31) is connected.

9. acoustic detection device as claimed in claim 8, which is characterized in that be provided with air compression on the support plate (10) Machine (14) is connected with an appendix (13) between the gas outlet and the gap (302) of the air compressor (14), and in institute State and be provided at gas outlet Unidirectional solenoid valve (15), the Unidirectional solenoid valve (15) and the air compressor (14) with it is described Controller electrical connection.