CN211318781U - Seabed normal position detection device - Google Patents
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- CN211318781U CN211318781U CN202020375094.1U CN202020375094U CN211318781U CN 211318781 U CN211318781 U CN 211318781U CN 202020375094 U CN202020375094 U CN 202020375094U CN 211318781 U CN211318781 U CN 211318781U
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Abstract
The application provides a seabed normal position detection device includes: the system comprises an acoustic transceiver controller, a fixed rack, an acoustic transmitting transducer, an acoustic receiving transducer and a miniature camera; the acoustic transceiver controller is fixedly arranged on the upper surface of the fixed rack; the acoustic transmitting transducer and the acoustic receiving transducer are both fixedly arranged on the bottom surface of the fixed rack along the vertical direction and are both in communication connection with the acoustic transceiver controller; at least one acoustic transmitting transducer and at least two acoustic receiving transducers are arranged; the miniature camera is fixedly arranged on the fixed rack, and a camera of the miniature camera is opposite to the submarine sediments. The utility model provides a current seabed acoustics detection device function singleness, can't observe the detection at the surface property of acoustics measurement process to submarine sediment, if the deposit that has difficult exploration or sample, can't give immediate feedback to the staff on the bank and take further measures, lead to this time to survey the not good technical problem of sample effect.
Description
Technical Field
The application relates to the field of acoustic characteristic detection, in particular to a submarine in-situ detection device.
Background
The submarine sediment is used as a underwater sound lower boundary and bears an acoustic boundary and a sound wave propagation layer which are necessary for engineering practices and scientific researches such as marine mineral resource exploration and exploitation, ship submarine navigation, submarine geological structure detection, marine engineering construction and the like, and the acoustic physical properties of the submarine sediment are very important in sound field prediction and matching field positioning, so that scientific experimenters need to detect the acoustic properties of the submarine sediment in a large range, and the submarine state can be detected with high precision. The conventional submarine acoustic detection system can realize in-situ acoustic detection of one point at a certain position of the seabed, an acoustic transducer of a detection instrument needs to be inserted into submarine sediments during detection, but the detection instrument needs to be put into the seabed for a period of time and then taken out due to long time required by daily in-situ detection, however, the conventional submarine acoustic detection device has single function and cannot observe and detect the surface properties of the submarine sediments in the acoustic measurement process, and if the submarine acoustics detection device has sediments which are not easy to detect or sample, the submarine sediments cannot be immediately fed back to shore workers to take further measures, so that the detection and sampling effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a submarine normal position detection device solves current submarine acoustics detection device function singleness, can't observe the detection at the surface property of acoustics measurement process to submarine sediment, if the deposit that has difficult survey or sample, can't give immediate feedback to the staff on the bank and take further measures, leads to this time to survey the not good technical problem of sample effect.
In view of this, the present application provides a seabed in-situ detection device, including: the system comprises an acoustic transceiver controller, a fixed rack, an acoustic transmitting transducer, an acoustic receiving transducer and a miniature camera;
the acoustic transceiver controller is fixedly arranged on the upper surface of the fixed rack, and a connecting port is arranged on the acoustic transceiver controller;
the acoustic transmitting transducer and the acoustic receiving transducer are both fixedly arranged on the bottom surface of the fixed rack along the vertical direction and are both in communication connection with the acoustic transceiver controller;
the number of the acoustic transmitting transducers is at least one, and the number of the acoustic receiving transducers is at least two;
the miniature camera is fixedly arranged on the fixed rack, and a camera of the miniature camera is opposite to the submarine sediments.
Further, the acoustic transmitting transducer and the acoustic receiving transducer are both two;
the fixed rack is a square rack, and the two acoustic transmitting transducers and the two acoustic receiving transducers are respectively positioned in four diagonal areas of the bottom surface of the fixed rack.
Further, the fixed rack comprises a top plate, a bottom plate and a support column;
the supporting column is positioned between the top plate and the bottom plate and is fixedly connected with the top plate and the bottom plate;
the acoustic transceiver controller is positioned on the upper surface of the top plate;
the acoustic transmitting transducer and the acoustic receiving transducer are fixedly arranged on the bottom surface of the bottom plate and vertically extend downwards from the bottom surface of the bottom plate.
Further, the device also comprises a seawater sampling pipe;
the seawater sampling tube is detachably arranged between the top plate and the bottom plate.
Further, the device also comprises a sediment sampling tube;
the sediment sampling tube is detachably arranged between the top plate and the bottom plate.
Further, the device also comprises a temperature detector;
the temperature detector is fixedly arranged on the bottom surface of the fixed rack.
Further, the device also comprises a warm salt detector;
the warm salt detector is fixedly arranged on the fixed rack.
Further, the device also comprises a hanging ring and a handle;
the lifting ring and the handle are both fixedly arranged on the top surface of the fixed rack.
Compared with the prior art, the embodiment of the application has the advantages that:
the application provides a seabed normal position detection device includes: the system comprises an acoustic transceiver controller, a fixed rack, an acoustic transmitting transducer, an acoustic receiving transducer and a miniature camera; the acoustic transceiver controller is fixedly arranged on the upper surface of the fixed rack, and a connecting port is arranged on the acoustic transceiver controller; the acoustic transmitting transducer and the acoustic receiving transducer are both fixedly arranged on the bottom surface of the fixed rack along the vertical direction and are both in communication connection with the acoustic transceiver controller; the number of the acoustic transmitting transducers is at least one, and the number of the acoustic receiving transducers is at least two; the miniature camera is fixedly arranged on the fixed rack, and a camera of the miniature camera is opposite to the submarine sediments.
The seabed in-situ detection device has the advantages that by arranging at least one acoustic transmitting transducer and at least two acoustic receiving transducers, each acoustic receiving transducer can receive sound wave signals of each acoustic transmitting transducer, so that the detection of the acoustic characteristics of seabed sediments is realized, the seabed in-situ detection device is simple in structure and light in weight, the seabed can be directly brought into the seabed by a diver for in-situ acoustic detection, the diver can directly operate the seabed when a detection area is changed, the winch is not required to retract, retract and move, the test efficiency is further improved, the micro camera is arranged on the fixed rack, the camera can be used for shooting the surface and the bottom seawater of the seabed sediments, and the camera can be used for shooting the sinking process of the detection device, so that the surface properties of the seabed sediments and the bottom seawater are obtained and are transmitted back to equipment on the shore, the staff can handle and analyze that the detection device is feasible to the detection or the sample of this position according to the information of passback, if judge that the deposit is difficult for detecting or the sample, then change further scheme at once and detect this position again, guarantee that the detection process goes on smoothly, solved current seabed acoustics detection device function singleness, can't observe the detection to the surface property of seabed deposit in the acoustics measurement process, if the deposit of current difficult detection or sample, can't give immediate feedback to the staff on the shore and take further measure, lead to this time to detect the not good technical problem of sample effect.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a seafloor in-situ detection device provided in an embodiment of the present application;
wherein the reference numerals are: the device comprises an acoustic transceiving controller 1, a fixed rack 2, an acoustic transmitting transducer 3, an acoustic receiving transducer 4, a top plate 5, a bottom plate 6, a supporting column 7, a seawater sampling tube 8, a sediment sampling tube 9, a temperature detector 10, a warm salt detector 11, a miniature camera 12, a hanging ring 13 and a handle 14.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
For easy understanding, please refer to fig. 1, in which fig. 1 is a schematic perspective view of a seafloor in-situ detection device provided by an embodiment of the present application.
The application provides a seabed normal position detection device includes: the system comprises an acoustic transceiving controller 1, a fixed stand 2, an acoustic transmitting transducer 3 and an acoustic receiving transducer 4;
the fixed rack 2 comprises a bottom plate 6 and a top plate 5, the bottom plate 6 is arranged below the top plate 5, and a support column 7 is connected between the bottom plate 6 and the top plate 5;
the acoustic transceiver controller 1 is fixedly arranged on the upper surface of the fixed rack 2, and a connecting port is arranged on the acoustic transceiver controller 1;
the acoustic transmitting transducer 3 and the acoustic receiving transducer 4 are both fixedly arranged on the bottom surface of the fixed rack 2 along the vertical direction, and the acoustic transmitting transducer 3 and the acoustic receiving transducer 4 are both in communication connection with the acoustic transceiver controller 1;
at least one acoustic transmitting transducer 3, at least two acoustic receiving transducers 4;
the miniature camera is fixedly arranged on the fixed rack, and a camera of the miniature camera is opposite to the submarine sediments.
It should be noted that the acoustic transceiver controller 1 is configured to control the acoustic transmitting transducer 3 to transmit different types of acoustic signals through signals, receive and receive data signals generated by the acoustic transducer and store the data signals, and after the seafloor in-situ detection device is taken out from the seafloor, a scientific investigation worker performs data processing through the signals stored in the acoustic transceiver controller 1 to realize detection of the acoustic characteristics of seafloor sediments, before the seafloor in-situ detection device is put into the seafloor, the seafloor in-situ detection device is connected to a plurality of connection ports (including a network port, a USB port, a serial port, and the like) of the acoustic transceiver controller 1 through a computer, so that the excitation signal type and the excitation frequency of the acoustic transceiver controller 1 are preset through the computer, the excitation signal type includes a rectangular pulse signal, a sinusoidal connection signal, and the like, and after detection is started, a display lamp on the acoustic transceiver controller 1 displays a flickering state, after the measurement is finished, the display lamp displays the finished state;
the acoustic transmitting transducers 3 are used for responding to the excitation signal of the acoustic transceiver controller 1 and transmitting an acoustic signal to penetrate through the submarine sediment, the number of the acoustic transmitting transducers 3 is multiple, the bandwidth frequency of the acoustic signal transmitted by each acoustic transmitting transducer 3 is different, and the acoustic detection with different bandwidth frequencies can be performed on the submarine sediment by adopting a time-sharing transmitting method, so that the detection data are more comprehensive;
the acoustic receiving transducers 4 can be a plurality of broadband hydrophones, can receive acoustic signals of 10 kHz-250 kHz, convert the acoustic signals into data signals and transmit the data signals to the acoustic transceiver controller 1, and at least two acoustic receiving transducers 4 correspond to one acoustic transmitting transducer 3;
as the postures of the seabed sediments at the seabed are different, for sediments which are not easy to directly sample, the miniature camera 12 can be used for shooting the submergence process, the seabed surface layer and the bottom layer seawater, the description of the surface properties of the seabed sediments is obtained, the data is transmitted back to the shore, a further sampling scheme is provided, and whether special sampling equipment is adopted for sampling or not is judged.
The acoustic transmitting transducer 3 and the acoustic receiving transducer 4 are both fixedly arranged on the bottom surface of the bottom plate 6 and vertically extend downwards from the bottom surface of the bottom plate 6.
Fixed rack 2 adopts light weight material to make the diver more laborsaving convenient to seabed normal position detection device's removal and use, roof 5 is used for supporting acoustics transceiver control 1, and bottom plate 6 is used for fixed acoustics transmitting transducer 3 and acoustics receiving transducer 4, has installation space between roof 5 and the bottom plate 6, can be used to install other detection device, makes the seabed normal position detection device of this application realize the multifunctionalization.
By arranging the plurality of acoustic transmitting transducers 3 and the plurality of acoustic receiving transducers 4, signals transmitted by each acoustic transmitting transducer 3 can be received by the plurality of acoustic receiving transducers 4, so that the detection of the acoustic characteristics of the seabed sediments is realized; the fixed rack 2 is used for connecting a plurality of acoustic transmitting transducers 3 and acoustic structure transducers, and the fixed rack 2 only comprises a bottom plate 6, a top plate 5 and a support column 7, so that the integral structure of the seabed in-situ detection device is simpler and lighter than the prior art, the whole device can be moved on the seabed directly by a diver, and the acoustic transmitting transducers 3 and the acoustic receiving transducers 4 extend vertically and downwards from the bottom surface of the bottom plate 6, and during detection, only the extending parts of the acoustic transmitting transducers 3 and the acoustic receiving transducers 4 are required to be inserted into sediments, the whole device is not required to be inserted into the seabed, so that the sediments are inserted and taken out more conveniently, and the device can be directly operated in the seabed by the diver during detection; after a measuring point of a region is detected, the submarine in-situ detection device is taken out from the measuring point through a diver, and then the detector is moved to other measuring points of the region to be detected, so that the detector is thrown to the seabed once to perform acoustic detection on a plurality of dense points of a certain region, repeated throwing through a winch is not needed, the detection efficiency is greatly improved, and the collected data are more accurate.
In the seabed in-situ detection device, the micro camera 12 is arranged on the fixed rack 2, so that the surface and bottom layer seawater of the seabed sediment can be shot, meanwhile, the sinking process of the detection device can be shot, so that the surface properties of the seabed sediment and the bottom layer seawater can be obtained and are transmitted back to equipment on the shore, a worker can process according to the returned information and analyze whether the detection or sampling of the detection device to the position is feasible or not, if the sediment is judged to be difficult to detect or sample, a further scheme is immediately replaced to detect the position again, the smooth detection process is ensured, the problems that the conventional seabed acoustic detection device has single function, the surface properties of the seabed sediment cannot be observed and detected in the acoustic measurement process, if the conventional sediment which is difficult to detect or sample is produced, the further measures cannot be immediately fed back to the worker on the shore to take are solved, leading to the technical problem of poor detection and sampling effect.
As a further improvement, the number of the acoustic transmitting transducers 3 and the acoustic receiving transducers 4 of the subsea in-situ detection device provided in the embodiment of the present application is two, the fixed gantry 2 is a square gantry, the supporting plate thereof is square, the two acoustic transmitting transducers 3 and the two acoustic receiving transducers 4 are respectively located in four diagonal regions of the bottom surface of the fixed gantry 2, the two acoustic transmitting transducers 3 are located on the same side, the two acoustic receiving transducers 4 are located on the opposite side, and the bandwidth frequencies of the two acoustic transmitting transducers 3 are 40kHz to 80kHz and 100kHz to 200kHz, respectively;
the throwing and the recovery of the seabed in-situ detection device are completed through direct operation of divers, the detection can be realized by only one or two divers, when the device needs to be thrown into the seabed, the diver holds a handle 14 on a support frame to carry the whole device to the seabed, or throws the device into the seabed through a hanging ring 13 and a rope, after the device reaches the appointed position of seabed sediment, before inserting an acoustic transmitting transducer 3 into the sediment, the underwater calibration is firstly carried out, after the calibration is completed, the acoustic transmitting transducer 3 and an acoustic receiving transducer 4 of the seabed in-situ detection device are inserted into the sediment, the seabed sediment is enabled to be flush with the bottom surface of a fixed rack 2, an acoustic transceiver controller 1 is opened, the acoustic transceiver controller 1 is enabled to transmit excitation signals to each acoustic transmitting transducer 3, the acoustic transmitting transducer 3 receives the excitation signals and emits sound wave signals, the sound wave signal penetrates through a seabed sediment and is received by an acoustic receiving transducer 4, the acoustic receiving transducer 4 converts the sound wave signal into a data signal and transmits the data signal to an acoustic transceiving controller 1, after a series of processes are completed, a diver closes the acoustic transceiving controller 1, the detecting instrument is taken out of the sediment of the position point and moves to another position point for repeated detection, after all detection points are detected, the seabed in-situ detecting device is taken out, the seabed in-situ detecting device returns to a ship for data analysis and maintenance, the sound wave propagation time of the acoustic receiving transducer 4 is obtained based on a takeoff point interpretation method or a related analysis method, and the sound velocity of the sound wave in the sediment is calculated by combining the sound delay time calibrated in water:
Cp＝Cwd0/(d0-CwΔt12)；
in the formula,. DELTA.t12Subtracting the time difference of the two acoustic receiving transducers 4 in the water from the time difference of the two acoustic receiving transducers 4 in the sediment receiving the acoustic signals, d0Is the difference in distance of the acoustic transmitting transducer 3 from the two acoustic receiving transducers 4; cw is the speed of sound in water.
Based on a takeoff point interpretation method, calculating a sound wave attenuation coefficient:
α＝20lg[(Aw2As1)/(Aw1As2)]/d0；
in the formula, As1For the first acoustic receiving transducer 4 to receive the sound pressure amplitude, A, of the acoustic signal in the deposits2For the second acoustic receiving transducer 4 to receive the sound pressure amplitude, A, of the acoustic signal in the depositW1For the first acoustic receiving transducer 4 to receive the sound pressure amplitude, A, of the acoustic signal in the waterW2The sound pressure amplitude of the acoustic signal received in the water for the second acoustic receiving transducer 4.
As a further improvement, the fixed gantry 2 of the seafloor in-situ detection device provided by the embodiment of the application comprises a top plate 5, a bottom plate 6 and a support column 7;
the supporting seat is located between roof 5 and bottom plate 6, and with roof 5 and the equal fixed connection of bottom plate 6, acoustics transceiver controller 1 is located the upper surface of roof 5, and acoustics transmitting transducer 3 and acoustics receiving transducer 4 all set up in the bottom surface of bottom plate 6 along vertical fixed the orientation.
Specifically, the fixed rack 2 is made of light materials, the top plate 5 is used for supporting the acoustic transceiver controller 1, the bottom plate 6 is used for fixing the acoustic transmitting transducer 3 and the acoustic receiving transducer 4, an installation space exists between the top plate 5 and the bottom plate 6, other detection devices can be installed, and the seabed in-situ detection device is multifunctional.
As a further improvement, the seabed in-situ detection device provided by the embodiment of the application further comprises a seawater sampling pipe 8;
the seawater sampling tube 8 is detachably arranged between the top plate 5 and the bottom plate 6.
Specifically, the seawater sampling tube 8 can be PVC tubes or organic glass tubes with different sizes, or a fidelity sampling tube, when sampling seawater, two end covers of the seawater sampling tube 8 are opened, and a submarine water sample is obtained beside the submarine in-situ detection device of the embodiment of the present application, and is used for analyzing physicochemical characteristics of pore seawater in bottom seawater and sediments, so as to analyze and calculate the acoustic velocity ratio.
As a further improvement, the seabed in-situ detection device provided by the embodiment of the application further comprises a sediment sampling pipe 9;
a sediment sampling tube 9 is detachably disposed between the top plate 5 and the bottom plate 6.
Specifically, the sediment sampling tube 9 can be PVC tubes or organic glass tubes with different sizes, or a fidelity sampling tube, when sediment sampling is performed, the two end covers of the sediment sampling tube 9 are opened, and the sediment sampling tube 9 is pressed into the sediment on the seabed beside the seabed in-situ detection device of the embodiment of the application for sampling, so as to analyze the relationship of the acoustic characteristics of the sediment along with the change of various factors such as temperature, purified water pressure and the like.
As a further improvement, the seabed in-situ detection device provided by the embodiment of the application further comprises a temperature detector 10, the temperature detector 10 is fixedly arranged on the bottom surface of the fixed rack 2, when the seabed in-situ detection device is inserted into a seabed sediment, a probe head of the temperature detector 10 is also inserted into the sediment, the temperature detector 10 is started to measure the surface temperature of the seabed sediment while the acoustic characteristic detection of the sediment is carried out, and the depth of the temperature probe can be arbitrarily arranged within the seabed acoustic measurement depth range.
As a further improvement, the seabed in-situ detection device provided by the embodiment of the present application further includes a thermohaline detector 11, and the thermohaline detector 11 is fixedly arranged on the fixed rack 2; the thermohaline detector 11 consists of a position detector, a conductivity meter and a thermometer, and when the acoustic characteristics of sediments are detected, the thermohaline detector 11 is started for measuring the temperature, the salinity and the depth of seawater, and the sound velocity of bottom-layer seawater can be calculated through a seawater state equation.
As a further improvement, the seabed in-situ detection device provided by the embodiment of the present application further includes a hanging ring 13 and a handle 14, the hanging ring 13 and the handle 14 are both fixedly arranged on the top surface of the fixed rack 2, the handle 14 is favorable for a diver to lift the seawater in-situ detection instrument, the hanging ring 13 is favorable for lifting the in-situ detection instrument, if long-term detection needs to be performed at the same position of the seabed, a floating ball and a buoy can be adopted to float on the sea level, and the whole device is connected through a rope, so that the whole device is positioned, and after the detection is finished, a detection point is found through the floating ball and the buoy, and the whole device is taken out.
The application also provides a method for detecting the submarine in-situ acoustic characteristics, which is applied to the submarine in-situ detection device provided by the embodiment and comprises the following steps:
step 1: suspending a seafloor in-situ detection device above the upper surface of seafloor sediments at a detection point in an area;
step 2: controlling the acoustic transceiver processor to transmit a control signal to the acoustic transmitting transducer 3, so that the acoustic transmitting transducer 3 transmits an acoustic signal to the acoustic receiving transducer 4, and obtaining the time difference of receiving the acoustic signal by the two acoustic receiving transducers 4 in water and the sound pressure amplitude in water;
and step 3: inserting the acoustic transmitting transducer 3 and the acoustic receiving transducer 4 into the sediment on the seabed to enable the sediment to be level with the bottom surface of the fixed rack 2, and repeating the step 2 to obtain the time difference of the two acoustic receiving transducers 4 in the sediment for receiving the sound wave signals and the sound pressure amplitude in the sediment;
and 4, step 4: calculating the sound velocity and the sound wave attenuation coefficient of the sound wave propagating in the submarine sediments according to the time difference of the two acoustic receiving transducers 4 in the water for receiving the sound wave signals and the sound pressure amplitude in the water, and the time difference of the two acoustic receiving transducers 4 in the sediments for receiving the sound wave signals and the sound pressure amplitude in the sediments;
and 5: taking out the seabed in-situ detection device from the seabed by a diver, driving the seabed in-situ detection device to be above the upper surface of the seabed sediment of another detection point of the area by the diver, and repeating the step 2 and the step 3;
step 6: if measuring multiple points, repeating the measurement in the step 4 in sequence until the measurement is finished, and obtaining the sound velocity and the sound wave attenuation coefficient of the sound wave of each measuring point in the submarine sediment;
as a further improvement, step 4 of the method for detecting the in-situ acoustic characteristics of the sea bottom provided by the application specifically includes:
step 401: based on a takeoff point interpretation method, calculating the sound velocity of sound waves propagating in the sediment:
Cp＝Cwd0/(d0-CwΔt12)；
in the formula,. DELTA.t12Subtracting the time difference of the two acoustic receiving transducers 4 in the water from the time difference of the two acoustic receiving transducers 4 in the sediment receiving the acoustic signals, d0Is the difference in distance of the acoustic transmitting transducer 3 from the two acoustic receiving transducers 4; cw is the speed of sound in water.
Step 402: based on a takeoff point interpretation method, calculating a sound wave attenuation coefficient:
α＝20lg[(Aw2As1)/(Aw1As2)]/d0；
in the formula, As1For the first acoustic receiving transducer 4 to receive the sound pressure amplitude, A, of the acoustic signal in the deposits2For the second acoustic receiving transducer 4 to receive the sound pressure amplitude, A, of the acoustic signal in the depositW1Is as followsAn acoustic receiving transducer 4 receives the sound pressure amplitude, A, of the acoustic signal in the waterW2The sound pressure amplitude of the acoustic signal received in the water for the second acoustic receiving transducer 4.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A seafloor in situ detection device, comprising: the system comprises an acoustic transceiver controller, a fixed rack, an acoustic transmitting transducer, an acoustic receiving transducer and a miniature camera;
the acoustic transceiver controller is fixedly arranged on the upper surface of the fixed rack, and a connecting port is arranged on the acoustic transceiver controller;
the acoustic transmitting transducer and the acoustic receiving transducer are both fixedly arranged on the bottom surface of the fixed rack along the vertical direction and are both in communication connection with the acoustic transceiver controller;
the number of the acoustic transmitting transducers is at least one, and the number of the acoustic receiving transducers is at least two;
the miniature camera is fixedly arranged on the fixed rack, and a camera of the miniature camera is opposite to the submarine sediments.
2. The subsea in-situ probe device of claim 1, wherein there are two acoustic transmitting transducers and two acoustic receiving transducers;
the fixed rack is a square rack, and the two acoustic transmitting transducers and the two acoustic receiving transducers are respectively positioned in four diagonal areas of the bottom surface of the fixed rack.
3. The seafloor in situ detection device of claim 2, wherein the stationary gantry comprises a top plate, a bottom plate, and support columns;
the supporting column is positioned between the top plate and the bottom plate and is fixedly connected with the top plate and the bottom plate;
the acoustic transceiver controller is positioned on the upper surface of the top plate;
the acoustic transmitting transducer and the acoustic receiving transducer are fixedly arranged on the bottom surface of the bottom plate and vertically extend downwards from the bottom surface of the bottom plate.
4. The subsea in situ detection device of claim 3, further comprising a seawater sampling tube;
the seawater sampling tube is detachably arranged between the top plate and the bottom plate.
5. The subsea in situ detection device of claim 3, further comprising a sediment sampling tube;
the sediment sampling tube is detachably arranged between the top plate and the bottom plate.
6. The seafloor in-situ detection device of claim 2, further comprising a temperature detector;
the temperature detector is fixedly arranged on the bottom surface of the fixed rack.
7. The seafloor in-situ detection device of claim 2, further comprising a warm salt detector;
the warm salt detector is fixedly arranged on the fixed rack.
8. The seafloor in situ detection device of claim 2, further comprising a lifting ring and a handle;
the lifting ring and the handle are both fixedly arranged on the top surface of the fixed rack.
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| CN202020375094.1U CN211318781U (en) | 2020-03-23 | 2020-03-23 | Seabed normal position detection device |
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| CN113063855A (en) * | 2021-03-22 | 2021-07-02 | 广东工业大学 | Automatic hydrophone acoustic characteristic measurement system and method |
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| CN113063855A (en) * | 2021-03-22 | 2021-07-02 | 广东工业大学 | Automatic hydrophone acoustic characteristic measurement system and method |
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