CN218022072U - Acoustic buoy device capable of implementing active detection of deepening - Google Patents

Abstract

The application provides an acoustic buoy device capable of implementing active sounding, which comprises a water surface cabin, a fuel cabin, a cable car cabin and a bottom cabin which are arranged from top to bottom respectively, wherein a floating bag is arranged on the periphery outside the water surface cabin, and a communication system, a control system and a power generation system are arranged in the water surface cabin; the fuel cabin contains fuel supplied to the power generation system; the cable car cabin is internally provided with a depth-varying mechanism, the bottom cabin is used for accommodating and releasing a signal receiving and transmitting system, the signal receiving and transmitting system comprises a power amplifier, a transmitting array and a receiving array, the power amplifier is arranged in the bottom cabin, and the transmitting array and the receiving array are connected to the tail end of the depth-varying mechanism; an energy storage system electrically connected with the power generation system is further arranged in the bottom layer cabin; the control system is in signal connection with the communication system, the deepening mechanism and the signal receiving and transmitting system. The acoustic buoy provided by the application can realize the deepening active detection and continuous tracking tasks of underwater low-noise targets.

Description

Acoustic buoy device capable of implementing active detection of deepening

Technical Field

The application belongs to the technical field of underwater acoustic engineering, and particularly relates to an acoustic buoy device capable of implementing deepening active detection.

Background

In underwater acoustic engineering, with the development of technologies such as autonomous detection and automatic tracking, cross-medium communication and networking, high-performance computing and machine learning, the detection of underwater targets is developed from the original single platform and single equipment to a networked system, an unmanned platform and acoustic loads thereof mainly comprising various types of floating/submerged buoys, unmanned underwater vehicles/surface boats, underwater gliders and the like become an important part of the system, and the buoys become main members of the system by virtue of the advantages of easy deployment and high cost performance.

At present, the energy supply mode is limited, the acoustic detection buoy mainly adopts a low-power-consumption passive mode, the direction of a target can be measured, and the distance measurement and the speed measurement are difficult. Individual active targets powered by internal batteries cannot support long-time high-power emission, and are difficult to be competent for continuous positioning and tracking of underwater targets. The acoustic array of most buoys cannot have independent large-range deepening capacity, the propagation effects such as convergence zones, seabed reflection, deep sea sound channels and reliable sound paths cannot be comprehensively utilized for detection, and the target discovery distance and the tracking stability are limited. Therefore, how to timely and effectively find the underwater low-noise target is always a difficult point of underwater acoustic detection, and the sonar technology has not well solved the problem so far.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an acoustic buoy device that can implement deepening initiative and survey to it is low to solve current acoustic buoy duration, can not become the problem of deepening initiative and survey.

The embodiment of the application provides an acoustic buoy device capable of implementing active sounding with variable depth, which comprises a water surface cabin, a fuel cabin, a cable car cabin and a bottom cabin which are respectively arranged from top to bottom, wherein a floating bag is arranged on the periphery of the water surface cabin, and a communication system, a control system and a power generation system are arranged in the water surface cabin; the fuel cabin contains fuel supplied to the power generation system; the cable car cabin is internally provided with a depth-varying mechanism, the bottom cabin is used for accommodating and releasing a signal receiving and transmitting system, the signal receiving and transmitting system comprises a power amplifier, a transmitting array and a receiving array, the power amplifier is arranged in the bottom cabin, and the transmitting array and the receiving array are connected to the tail end of the depth-varying mechanism; an energy storage system electrically connected with the power generation system is further arranged in the bottom layer cabin; and the control system is in signal connection with the communication system, the deepening mechanism and the signal transceiving system.

Optionally, the deepening mechanism includes a winch and a bearing cable wound on the winch, and the transmitting array and the receiving array are fixedly connected to the tail end of the bearing cable.

Optionally, the signal transmitting mechanism includes a power amplifier and a transmitting array connected to each other by a signal, the transmitting array includes a plurality of array elements arranged in a vertical line array, any one of the array elements includes a disk tray, and one or more disk transducers tiled on the disk tray.

Optionally, the receiving array includes: the receiving bracket is connected to the tail end of the bearing cable and comprises a central rod and a plurality of receiving arms surrounding the central rod, and one end of each receiving arm is movably connected with the central rod so that the receiving arms can be unfolded or folded relative to the central rod; a plurality of hydrophones disposed on the receiving arm.

Optionally, the energy storage system includes: the storage battery pack comprises a plurality of batteries which are connected; a packaging box for accommodating the battery pack; the battery safety control module comprises a processing unit and a monitoring unit, the monitoring unit is used for monitoring one or more of the pressure of the packaging box, the liquid level of the packaging box, the temperature of the battery and the electric quantity of the battery and transmitting the monitoring result to the processing unit, and the processing unit reports fault alarm information to the control system and carries out fault processing according to a fault processing instruction sent by the control system.

Optionally, the fault handling instruction comprises a conventional fault handling and/or battery pack release, the conventional fault handling comprising one or more of a cooling process, a pressure relief process and a liquid discharge process.

Optionally, the control system includes a top layer electronic unit and a bottom layer electronic unit connected by signals, and the top layer electronic unit is located in the water surface cabin and performs data transmission with the outside through the communication system; the bottom layer electronic unit is fixedly connected with the receiving array.

Optionally, the water surface cabin is further provided with a top layer unit battery for supplying power to the top layer electronic unit and the communication system, and the receiving array is further provided with a bottom layer unit battery for supplying power to the bottom layer electronic unit.

Optionally, the top-layer electronic unit is provided with a plurality of signal channels, the power amplifier is provided with a plurality of power amplifier modules corresponding to the signal channels one to one, the transmitting array is provided with a plurality of array elements corresponding to the power amplifier modules, and any signal channel of the top-layer electronic unit is in signal connection with the corresponding power amplifier module and the corresponding array element.

Optionally, the energy storage system charges the top unit cell and the bottom unit cell.

The utility model provides a can implement acoustics buoy device of deepening initiative survey, through communication system and external communication, obtain the information and instruction that outside user provided and transmit the detection result, acoustics buoy device can realize deepening in the deep sea area, powerful long-time initiative is surveyed, satisfy deep sea and survey the big region, the detection demand of high accuracy, whole in-process energy supply system can continuously be signal transceiver system, the deepening mechanism, communication system and control system provide the energy, it is low to have overcome current acoustics buoy continuation of the journey ability, the problem of unable deepening initiative survey, avoid acoustics buoy the unable normal work of energy deficiency appearing in the operation process, can realize low noise target's discovery and continuation tracking task as early as possible under water.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that other drawings can be derived from these drawings by a person skilled in the art without inventive effort.

For a more complete understanding of the present application and its advantages, reference is now made to the following descriptions taken in conjunction with the accompanying drawings. Wherein like reference numerals refer to like parts in the following description.

Fig. 1 is a schematic structural diagram of an acoustic buoy apparatus capable of implementing active sounding with varying depth according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of an acoustic buoy apparatus capable of implementing active sounding according to an embodiment of the present disclosure in a storage state;

fig. 3 is a schematic structural diagram of an acoustic buoy apparatus capable of implementing active sounding with deepening in an expanded state according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural view of the disc transducer of FIG. 2 in a stored state;

FIG. 5 is a schematic view of the disk transducer of FIG. 3 in an expanded state;

FIG. 6 is a schematic view of the receiving rack of FIG. 2 in a stowed position;

FIG. 7 is a schematic view of the mounting structure of the receiving bracket of FIG. 3 in an expanded state;

fig. 8 is a schematic diagram of an operating principle of an acoustic buoy device capable of implementing active sounding with varying depth according to an embodiment of the present disclosure;

in the figure: 1. a floating bag; 2. a water surface cabin; 3. a generator; 4. a communication system; 5. a top layer electronic unit; 6. starting the battery; 7. a charger; 8. an air inlet pipe; 9. an exhaust pipe; 10. a fuel compartment; 11. a fuel oil pocket; 12. a cable car compartment; 13. a winch; 14. a bottom deck; 15. a power amplifier; 16. a battery pack; 17. transmitting an array; 18. receiving an array; 19. a bottom layer electronic unit; 20. array elements; 21. a center pole; 22. a receiving arm; 23. sinking the blocks; 24. a load-bearing cable; 25. a hydrophone; 26. and (4) auxiliary cables.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and 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.

The embodiment of the application provides an acoustic buoy device capable of implementing active detection of deepening, and aims to solve the problems that an existing acoustic buoy is low in cruising ability and cannot actively detect deepening. The following description will be made with reference to the accompanying drawings.

As shown in fig. 1-3, an acoustic buoy apparatus capable of implementing active sounding by changing depth is provided in the embodiments of the present application, and includes a water surface cabin 2, a fuel cabin 10, a cable car cabin 12, and a bottom cabin 14, which are respectively disposed from top to bottom, a buoyancy bag 1 is disposed at the outer periphery of the water surface cabin 2, and a communication system 4, a control system, and a power generation system are disposed in the water surface cabin 2; the fuel tank 10 contains fuel to be supplied to the power generation system; a deepening mechanism is arranged in the cable car cabin 12, the bottom cabin 14 is used for accommodating and releasing a signal receiving and transmitting system, the signal receiving and transmitting system comprises a transmitting mechanism and a receiving mechanism, the transmitting mechanism comprises a power amplifier 15 and a transmitting array 17, the receiving mechanism comprises a receiving array 18, the power amplifier 15 is arranged in the bottom cabin 14, and the transmitting array 17 and the receiving array 18 are connected to the tail end of the deepening mechanism; an energy storage system electrically connected with the power generation system is also arranged in the bottom cabin 14; the control system is in signal connection with the communication system 4, the deepening mechanism and the signal receiving and transmitting system.

In some embodiments, the communication system 4 employs a satellite communication component or a wireless communication component to ensure that the communication state can be always maintained no matter in which sea area the acoustic buoy is located, thereby improving the adaptation of the acoustic buoy to the sea area.

The power generation system comprises a generator 3 and a charger 7, wherein the generator 3 is preferably a mini-silent generator, and the working noise during power generation is reduced as much as possible. The generator 3 is arranged in the water surface cabin 2, so that the air inlet pipe 8 and the air outlet pipe 9 of the generator can be arranged to be exposed out of the water surface more conveniently, and air inlet and air outlet during the working of the generator 3 are facilitated. The generator 3 generates electricity by using fuel oil provided by the fuel tank 10, and stores the generated electric energy into an energy storage system through the charger 7, and the energy storage system supplies energy to each electricity utilization unit of the acoustic buoy. A plurality of independent fuel oil bags 11 can be arranged in the fuel cabin 10, fuel oil which can be used for the generator 3 to work continuously for a plurality of days to a dozen of days is stored in the fuel oil bags 11, and the fuel oil can be supplemented into the fuel oil bags 11 after the fuel oil bags 11 are used up, or the fuel oil bags 11 can be directly replaced. Therefore, the energy supply mode can be simplified, and the cruising ability and the reuse rate of the acoustic buoy can be improved.

In some embodiments, the deepening mechanism includes a winch 13, and a bearing cable 24 wound around the winch 13, and the signal transceiver system is fixedly connected to an end of the bearing cable 24. As can be understood, the winch 13 is located in the cable car cabin 12, one end of the bearing cable 24 can be wound on the outer wall of the winch 13, and the other end of the bearing cable 24 extends out of the bottom of the cable car cabin 12 to the underwater and is fixedly connected with the transmitting array 17 and the receiving array 18; when the system works, the winch 13 controls the winding and unwinding of the bearing cable 14 according to a control signal sent by the control system, so that the water depth position of the signal receiving and transmitting system at the tail end of the bearing cable 24 is changed, and the variable-depth active detection of the acoustic buoy is realized.

As shown in fig. 4 and 5, the transmitting array 17 includes a plurality of array elements 20 arranged in a vertical line array, any one of the array elements 20 includes a disk tray, and one or more disk transducers tiled on the disk tray. It will be appreciated that the probe signal received by the acoustic buoy may be amplified by the power amplifier 15 and then transmitted via the load bearing cable 24 to the disc transducer in the transmitting array 17, which converts the electrical signal to an acoustic signal and diverges to propagate to the exterior.

As shown in fig. 6 and 7, the receiving array 18 includes a receiving bracket and a plurality of hydrophones 25, the receiving bracket is connected with the end of the bearing cable 24 below the transmitting array 17, the receiving bracket includes a central rod 21 and a plurality of receiving arms 22 surrounding the central rod 21, one end of each receiving arm 22 is movably connected with the central rod 21, so that the receiving arms 22 can be unfolded or folded relative to the central rod 21; a plurality of hydrophones 25 are arranged on the receiving arm 22. It will be appreciated that after the receiver array 18 is deployed, the plurality of receiver arms 22 surrounding the central rod 21 will rotate about their connection point to effect deployment, and the hydrophones 25 on the receiver arms 22 will receive underwater detection signals and transmit the detection signals to the control system.

In some embodiments, as shown in fig. 3, a receiving array storage for storing the receiving mechanism is provided outside the acoustic buoy, and a transmitting array storage for storing the signal transmitting mechanism is provided in the bottom compartment 14. When the acoustic buoy is in a storage state, the array elements 20 of the transmitting array 17 are accommodated in the transmitting array storage, the central rod 21 and the receiving arm 22 are preset in the receiving array storage, and the water depth position of the receiving array storage is adjusted along with the retraction and release of the bearing cable 24 on the winch 13 when the receiving array storage is used. When the acoustic buoy is in an unfolded state, the array element 20 can be separated from the storage place of the transmitting array, and the central rod 21 and the receiving arm 22 can also be separated from the storage place of the receiving array and then enter the water together, so that the volume of the acoustic buoy is reduced, and the acoustic buoy is convenient for a user to use.

Before the transmitting array 17 works, a plurality of array elements 20 can be vertically stacked together and then are received in the transmitting array storage 113 together; in operation, the launching array 17 is dropped into the water and then released to a set depth by the winch 13 and naturally and vertically deployed. The disc type transducer can radiate middle and low frequency acoustic signals to the underwater horizontal omni-directionally, the array element 20 can be connected with the bearing cable 24 by adopting a slip ring adapter, and the bearing cable 24 can be prevented from being twisted and broken when the transmitting array 17 and the receiving array 18 are wound and released.

Before the receiving bracket works, each receiving arm 22 can be folded and stored together around the central rod 21 and then placed in a receiving array storage place; when the receiving support works, the receiving support falls off from the outer wall of the acoustic buoy, the receiving support can be installed at the bottom of the transmitting array 17, and the receiving support is unfolded to be in a polygonal spoke shape or a multilayer circular shape along with the synchronous release of the transmitting array 17 to a set depth.

In some embodiments, the energy storage system comprises: storage battery, encapsulation case and battery safety management and control module.

For satisfying the long-term operating requirement of acoustic buoyancy height consumption, storage battery includes that a series of battery unit of the same type high stability large capacity establish ties or connect in parallel, and for safe in utilization and installation are convenient, all battery units will be brought into same packing incasement that has heat abstractor and the design of exhaust pressure relief device such as watertight, powerful cooling fan, fin.

In the preferred embodiment of the present invention, the packaging box is an aluminum sealed box, which is light in weight, corrosion resistant and good in conductivity.

In some embodiments, the battery safety management and control module comprises a processing unit and a monitoring unit. The monitoring unit comprises a pressure sensor, a temperature sensor and a leakage sensor which are arranged in the packaging box. In the charging and discharging process, the pressure in the packaging box, the temperature of each battery unit, the leakage condition of liquid and water in the box and the like are always monitored in real time.

And the monitoring unit sends the monitoring result to the processing unit, the processing unit analyzes corresponding monitoring data, reports fault alarm information and carries out fault processing according to a received fault processing instruction, and the fault processing instruction comprises conventional fault processing or a storage battery pack removal. In the conventional fault treatment, the treatment can be cooling treatment, pressure relief treatment or liquid discharge treatment on the acoustic buoy.

In some embodiments, as shown in fig. 3, the control system comprises a topside electronic unit 5 and a bottom side electronic unit 19 which are connected by signals, wherein the topside electronic unit 5 is positioned in the water surface cabin 2 and performs data transmission with the outside through the communication system 4; the bottom layer electronic unit 19 is fixedly connected with the receiving array 18.

In some embodiments, the top-level electronic unit 5 is provided with a plurality of signal channels, the power amplifier 15 is provided with a plurality of power amplifier modules corresponding to the signal channels one to one, the transmitting array 18 is provided with a plurality of array elements 20 corresponding to the power amplifier modules, and the signal channel of any top-level electronic unit 5 is in signal connection with the corresponding power amplifier module and the corresponding array element 20.

In some embodiments, the energy storage system charges the top unit cell and the bottom unit cell.

It is understood that in the embodiment of the present application, the power generation system, the fuel package, and the energy storage system are all part of the energy supply system of the acoustic buoy of the present application, wherein the energy storage system is a centralized energy supply unit, and further, the energy supply system further includes a distributed energy supply unit independent from the energy storage system, and particularly, the distributed energy supply unit includes a top layer unit cell and a bottom layer unit cell. As shown in fig. 8, the top layer unit cell is arranged in the surface chamber 2 to supply power to the top layer electronic unit 5 and the communication system 4, and the bottom layer unit cell is fixed on the receiving array 18 to supply power to the bottom layer electronic unit 19 and the hydrophone 25 of the receiving array 18. Through setting up different energy supply units, supply power to different power consumption parts or equipment respectively, can be more favorable to providing suitable power supply tactics to the specific power consumption demand of different power consumption parts like this.

In some embodiments, an energy storage system is employed to charge the distributed energy supply units. Because the power supply power of the distributed energy supply unit is low, the generator does not need to be started independently for charging, but the energy storage system with high electric storage capacity is used as a charging power supply for supplementing electric energy to the distributed energy supply unit, so that frequent starting of the generator 3 is avoided, and noise and position exposure risk generated when the acoustic buoy works are reduced as much as possible.

When the device works, an external user wirelessly transmits information and a remote control instruction to the acoustic buoy through the communication system 4, the control system 3 receives and processes the information and the remote control instruction to form a target detection strategy, and sends a corresponding control signal to the signal receiving and transmitting system and the depth-varying mechanism based on the target detection strategy, and the depth-varying mechanism drives the signal receiving and transmitting system to perform depth variation and frequency variation according to the control signal, so that the signal receiving and transmitting system sends a detection signal at a preset depth at a preset frequency. The detection signal is reflected by the target or the barrier to form an echo signal, the echo signal is received by the signal receiving mechanism and then transmitted to the control system for comprehensive analysis, and the result obtained by analysis is sent to an external user through the communication system 4. In the whole process, the energy supply system can continuously provide energy for the signal receiving and transmitting system, the depth-varying mechanism, the communication system 4 and the control system so as to realize long-time, high-power and active depth-varying detection of the acoustic buoy and realize early discovery and continuous tracking of underwater low-noise targets.

In some embodiments, the battery pack in the energy storage system further comprises a starting battery 6 and a battery pack 16 electrically connected, the battery pack 16 providing power to the various systems in the acoustic buoy, the starting battery 6 being capable of powering the start-up of the generator 3. In order to ensure the charging safety of the battery pack, the starting battery 6 may be designed separately from the battery pack 16.

In this embodiment, the fuel pack 11 stores fuel for the generator 3 to work for several days to ten days, and the fuel pack 11 can be replenished with fuel after use, or the fuel pack 11 can be directly replaced. The generator 3 can select a mute mini model, noise generated during working can be reduced, and the space of the acoustic buoy is saved. The fuel oil pocket 11 can continuously supply fuel oil for the generator 3 through a fuel pipeline, and the fuel oil can use diesel oil.

In some embodiments, the receiving array further includes a positioning adjustment module, and the positioning adjustment module is configured to position and adjust the posture of the receiving array 18, specifically, the positioning adjustment module includes a precision compass, a posture sensor, and a driving device, the precision compass and the posture sensor are mounted on the receiving bracket, the position coordinates of the receiving mechanism of the acoustic buoy are obtained through the precision compass, the posture sensor can obtain the posture of each receiving arm of the receiving bracket, and the position and the posture of the acoustic buoy are resolved, so that the real position of the detected object can be accurately obtained. Furthermore, the control system can send out a posture control instruction according to the real position of the target, the driving device drives the receiving arms 22 to move according to the posture control instruction, and then the position form of the receiving array 18 formed by the hydrophones 25 on each receiving arm is changed, so that the posture of the receiving array 18 is adjusted, and the accuracy of target detection is further improved.

The utility model provides an acoustic buoy during operation, when using, transport equipment such as aircraft or ships transport the acoustic buoy to appointed sea area and put in, acoustic buoy after putting in can float at appointed sea through floating bag 1 to can realize through communication system 4 with outside user's data communication, outside user can be user or bank control cabinet, also can be other remote terminal, this application does not do the restriction here.

After the acoustic buoy floats at the designated position, the control system controls the depth-changing mechanism to release the receiving array 17 and the transmitting array 18 from the receiving array storage position and the transmitting array storage position respectively, and the water depth position of the receiving array and the transmitting array storage position is adjusted along with the retraction of the bearing cable 24.

As shown in fig. 8, the information interaction between the acoustic buoy and the outside can be divided into input and output. The input information comprises control instructions of starting, shutting down, deepening, variable transmitting, removing a storage battery pack, self-destruction and the like. The acoustic buoys may receive external control commands through the communication system 4 and respond or further distribute control information to other systems through the units of the top level electronics unit 5. The output information comprises detection results of the target position (or direction, distance), speed, type, threat level and the like and the state of the current acoustic buoy, and comprises state monitoring information of the depth of the transmitting array 17 and the receiving array 18, the temperature and the electric quantity of a battery, the fuel oil allowance, the position and the like.

The top level electronics unit 5 aggregates the information from the various components and then transmits it back to the external user via the communications system 4. The user can analyze information such as sea area environment data, target information and the like, a reasonable detection strategy script is made before the acoustic buoy works according to an analysis result and serves as a preset detection strategy, the preset detection strategy is preset in the top-layer electronic unit 5, and the optimized target detection strategy is generated by a detection strategy module in the top-layer electronic unit 5 through sound field modeling and sonar efficiency evaluation based on a field environment and a user remote control instruction. And automatically searching underwater targets according to the strategy during the acoustic buoy watching.

Specifically, the target detection strategy comprises a deepening control signal, a detection control signal and an attitude control signal. The top electronic unit 5 sends a depth control signal to the depth mechanism to control the depth mechanism to perform large-range depth, sends a detection control signal to the transmitting mechanism to control the transmitting mechanism to actively transmit a high-power detection signal, and sends an attitude control signal to the bottom electronic unit 19 to control the unfolding attitude of the receiving array 18 to receive echo signals with large aperture.

The depth control signal sent by the top layer electronic unit 5 is received by the depth mechanism, and comprises a depth mechanism retraction command and an array depth requirement parameter. The deepening mechanism retracts and retracts the bearing cable 24 according to the retracting and deploying commands of the deepening mechanism, so that the transmitting array 17 and the receiving array 18 which are suspended at the tail end of the bearing cable 24 reach the preset depth in the array depth required parameters, and the cable length and the array depth are fed back to the top layer electronic unit 5.

The transmitting mechanism receives a detection control signal sent by the top-layer electronic unit 5, the detection control signal comprises a power amplifier control signal and a detection signal, the power amplifier 15 control signal comprises a transmitting command and a detection signal requirement parameter, the detection signal is multi-channel customized signal waveform data generated by the top-layer electronic unit 5, and the form, the frequency band, the pulse width and the time delay among all channels of the signal are customized according to the detection signal requirement parameter. Wherein, the required parameters of the detection signal also comprise the amplification factor of the customized power amplifier 15, which is determined by the top-level electronic unit 5 according to the arrival depth of the transmitting array and the information of the target environment. The power amplifier 15 amplifies the power of the detection signal according to the transmission command, and then transmits the power to the transmission array through the bearing cable 24, and the transmission array 17 converts the amplified detection signal into an acoustic signal from an electric signal after receiving the amplified detection signal and transmits the acoustic signal to the water for target detection. And the power amplifiers 15 adopt a module separation type design, each power amplifier 15 module is connected with one array element 20 of the transmitting array 17 and one signal channel of the top-layer electronic unit 5, and multi-power amplification is carried out on multi-channel customized waveform signals transmitted from the top-layer electronic unit 5 by adopting different amplification factors according to the depths of different array elements 20.

The bottom electronic unit 19 receives the attitude control signal sent by the top electronic unit 5, and the attitude control signal includes an array expansion and contraction command and an array expansion degree requirement. The bottom layer electronic unit 19 controls the receiving array 18 to be expanded into a preset form array type in the array expansion degree requirement according to the array expansion and contraction command. The receiving array 18 receives the medium and low frequency echo signals with a large aperture after being unfolded, the received echo signals are transmitted to the bottom electronic unit 19, the bottom electronic unit 19 carries out real-time signal processing on the echo signals based on the receiving processing synchronization information, the processing result is transmitted to the top electronic unit 5 from the bottom electronic unit 19 through the bearing cable 24, meanwhile, the receiving array information is transmitted to the top electronic unit 5, and the receiving array information comprises information such as the receiving array position, the posture, the array depth and the unfolding degree.

The bottom layer electronic unit 19 can perform high-resolution spatial filtering processing on input data and received information and perform clutter-resistant processing by combining environmental information, the bottom layer electronic unit 19 performs target echo modeling according to the received information, and a series of signal and information processing such as multi-wavelet multi-channel refined matching filtering and fusion, resolution of a bright spot absolute geographic position adaptive to a mark position and an array direction, multi-PING accumulation and contact level tracking and feedback, target scale speed and course characteristic extraction and identification are performed to obtain a target detection result. In addition, the bottom electronic unit 19 may be configured with a signal recorder capable of selectively recording the direction and attitude information of the acoustic buoy in the critical time period, so that a user can perform offline analysis on the acoustic buoy after the acoustic buoy is recovered.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The acoustic buoy device capable of implementing active sounding with varying depth provided by the embodiments of the present application is described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the above embodiments is only used to help understand the method and the core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (10)

1. An acoustic buoy device capable of implementing active detection of variable depth is characterized by comprising a water surface cabin, a fuel cabin, a cable car cabin and a bottom cabin which are respectively arranged from top to bottom,

wherein, the periphery outside the water surface cabin is provided with a floating bag, and a communication system, a control system and a power generation system are arranged in the water surface cabin;

the fuel cabin contains fuel supplied to the power generation system;

a deepening mechanism is arranged in the cable car cabin,

the bottom cabin is used for accommodating and releasing a signal receiving and transmitting system, the signal receiving and transmitting system comprises a power amplifier, a transmitting array and a receiving array, the power amplifier is arranged in the bottom cabin, and the transmitting array and the receiving array are connected to the tail end of the deepening mechanism; an energy storage system electrically connected with the power generation system is further arranged in the bottom layer cabin;

and the control system is in signal connection with the communication system, the deepening mechanism and the signal transceiving system.

2. The acoustic buoy device capable of implementing active sounding of the deepening claim 1, wherein the deepening mechanism comprises a winch and a bearing cable wound on the winch, and the transmitting array and the receiving array are fixedly connected to the tail end of the bearing cable.

3. An acoustic buoy device capable of implementing active sounding with variable depth as claimed in claim 2, wherein the transmitting array comprises a plurality of array elements arranged in a vertical array, any one of the array elements comprises a tray, and one or more disc transducers tiled on the tray.

4. The acoustic buoy device capable of implementing active sounding with variable depth as claimed in claim 2, wherein the receiving array comprises:

the receiving bracket is connected to the tail end of the bearing cable and comprises a central rod and a plurality of receiving arms surrounding the central rod, and one end of each receiving arm is movably connected with the central rod so that the receiving arms can be unfolded or folded relative to the central rod;

a plurality of hydrophones disposed on the receiving arm.

5. The acoustic buoy device capable of implementing active sounding with deepening of claim 1, wherein the energy storage system comprises:

the storage battery pack comprises a plurality of batteries which are connected;

a packaging box for accommodating the battery pack;

the battery safety control module comprises a processing unit and a monitoring unit, the monitoring unit is used for monitoring one or more of the pressure of the packaging box, the liquid level of the packaging box, the temperature of the battery and the electric quantity of the battery and transmitting the monitoring result to the processing unit, and the processing unit reports fault alarm information to the control system and carries out fault processing according to a fault processing instruction sent by the control system.

6. An acoustic buoy device capable of implementing active detection of deepening as claimed in claim 5 wherein the fault handling instructions include normal fault handling including one or more of cooling, pressure relief and drainage and/or battery pack removal.

7. An acoustic buoy device capable of implementing active sounding of a deepened area as claimed in claim 1, wherein the control system comprises a top electronic unit and a bottom electronic unit which are in signal connection, the top electronic unit is located in the water surface cabin and is in data transmission with the outside through the communication system; the bottom layer electronic unit is fixedly connected with the receiving array.

8. The acoustic buoy device for implementing active sounding with variable depth of claim 7, wherein the surface tank is further provided with a top cell battery for supplying power to the top electronic unit and the communication system, and the receiving array is further provided with a bottom cell battery for supplying power to the bottom electronic unit.

9. The acoustic buoy device of claim 7, wherein the top electronic unit has a plurality of signal channels, the power amplifier has a plurality of power amplifier modules corresponding to the signal channels, the transmit array has a plurality of array elements corresponding to the power amplifier modules, and the signal channel of any top electronic unit is in signal connection with the corresponding power amplifier module and the corresponding array element.

10. The acoustic buoy device capable of implementing active sounding of claim 8, wherein the energy storage system charges the top unit cell and the bottom unit cell.

Images