Transducer array structure for offshore test

Abstract

The utility model provides a transducer array structure for a sea test, and relates to the field of underwater test equipment. The transducer array structure for the marine test comprises a shell, in-cabin electronic equipment, a transmitting transducer and a linear array. A cavity is formed in the shell; the in-cabin electronic equipment is arranged in the cavity; the transmitting transducer is arranged at the bottom of the shell; the linear array is arranged on the outer side face of the shell. The transmitting transducer is used for transmitting underwater acoustic signals; the linear array is composed of more than two transducer units which are arranged at equal intervals and are of the same type, and is used for receiving or transmitting underwater acoustic signals. One transmitting transducer and a plurality of linear arrays are adopted to be matched with in-cabin electronic equipment composed of different functional modules, multi-purpose marine comprehensive test equipment can be formed, integration of multiple functions of traditional underwater test equipment is achieved, meanwhile, the equipment performance is improved, and the cost is reduced. Finally, the purposes of reducing the type number of test equipment, improving the reliability of the test equipment, reducing the number of operators and reducing the test preparation time are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to underwater testing equipment field especially, relates to a transducer matrix structure for offshore test. BACKGROUND

[0002] Offshore test as the booster of marine safety and marine economic development, more and more widespread attention. The purpose of offshore test is to obtain the verification data under actual environmental conditions, to scientifically evaluate product performance quality level, such test data acquisition mainly depends on advanced testing instrument equipment, and test purposes are different, need to use different types different quantity testing instrument equipment.

[0003] In the aspect of underwater vehicle offshore test testing, usually need to use navigation track measuring equipment such as synchronous underwater acoustic tracking measuring system, underwater acoustic communication equipment such as underwater acoustic communication machine, underwater acoustic navigation equipment such as acoustic beacon. The functions of each device are single, and a person uses, and there are many obvious shortcomings such as many types of equipment, complex deployment and recovery, long test preparation time, low test success rate in large-scale complex offshore test, which seriously affect the quality and efficiency of offshore test. UTILITY MODEL CONTENT

[0004] The utility model provides a transducer matrix structure for offshore test to solve the problems of many types of equipment, poor reliability, long test equipment preparation time in prior art.

[0005] The utility model provides a transducer matrix structure for offshore test, comprising:

[0006] The shell is a cylindrical structure, and has a cavity inside;

[0007] The in-cabin electronic equipment is arranged in the cavity;

[0008] The transmitting transducer is arranged at the bottom of the shell and is used for transmitting underwater acoustic signals with the in-cabin electronic equipment.

[0009] The linear array is composed of two or more than two same type transducer units arranged at equal intervals, and a plurality of linear arrays are evenly distributed on the outer side surface of the shell in parallel with the axial direction of the cylinder and are electrically connected with the in-cabin electronic equipment; the linear array is used for receiving or transmitting underwater acoustic signals.

[0010] The utility model provides a transducer matrix structure for offshore test further comprises:

[0011] The watertight socket is arranged in the through hole and is sealingly matched with the shell, and the in-cabin electronic equipment is electrically connected with the external cable through the watertight socket.

[0012] The utility model provides a kind of transducer array structure for offshore test, the shell includes shell main body, upper end cover and lower end cover, upper end cover is set to the upper end of shell main body and is sealed with shell main body cooperation, lower end cover is set to the lower end of shell main body and is sealed with shell main body cooperation, shell main body, upper end cover and lower end cover enclose the cavity.

[0013] The utility model provides a kind of transducer array structure for offshore test, water-tight socket is set to the upper end cover, the transmitting transducer is set to the lower end cover.

[0014] The utility model provides a kind of transducer array structure for offshore test, cabin electronic equipment is electrically connected with the transmitting transducer and the line array by quick connector.

[0015] The utility model provides a kind of transducer array structure for offshore test, further include:

[0016] Protective frame, protective frame is surrounded in the outer periphery of the transmitting transducer, and is connected with the lower end cover.

[0017] The utility model provides a kind of transducer array structure for offshore test, by adopting one transmitting transducer and multiple line array and the cabin electronic equipment of different function module composition adaptation, can constitute the offshore comprehensive test test equipment of multiple purposes, realize the integration of traditional underwater test equipment multifunction, improve equipment performance simultaneously, finally reach the purpose of reducing test equipment type quantity, improve the reliability of test equipment, reduce the number of operating personnel and reduce test preparation time. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the utility model or prior art, the following will be to the embodiment or prior art description needed to use a simple introduction to the drawing, obviously, the following description in the drawing is some embodiments of the utility model, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0019] Figure 1 It is the side view cross section structure schematic diagram of the utility model provides a kind of transducer array structure for offshore test.

[0020] Figure 2 It is the three-dimensional structure schematic diagram of the utility model provides a kind of transducer array structure for offshore test.

[0021] Reference signs:

[0022] 100, housing; 110, housing body; 120, upper end cap; 130, lower end cap; 200, in-cabin electronics; 300, transmit transducer; 400, line array; 500, watertight receptacle; 600, guard bracket. DETAILED DESCRIPTION

[0023] In order to make the objectives, technical solutions and advantages of the present application clearer, the following will clearly and completely describe the technical solutions in the present application with reference to the drawings in the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0024] In the description of the embodiments of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated thereby must have a particular orientation, be constructed and operated in a particular orientation, and thus cannot be understood as a limitation on the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0026] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0027] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present embodiment. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0028] As shown in Figures 1 to 2 The transducer array structure for offshore test includes a shell 100, cabin electronic equipment 200, a transmitting transducer 300 and a line array 400. The shell 100 is a cylindrical structure, and has a cavity inside. The cabin electronic equipment 200 is arranged in the cavity. The transmitting transducer 300 is arranged at the bottom of the shell 100 and is electrically connected with the transmitting transducer 300. The transmitting transducer 300 is used for underwater communication, navigation, positioning calibration and underwater acoustic signal transmission, and is used for underwater acoustic power signal transmission. The line array 400 is composed of two or more same type transducer units arranged at equal intervals. A plurality of line arrays are evenly distributed on the outer side of the shell in parallel with the axis of the cylinder and are electrically connected with the cabin electronic equipment. The line array is used for underwater acoustic signal reception or transmission.

[0029] The transducer array structure for offshore test provided by the present application can adapt to the cabin electronic equipment 200 composed of one transmitting transducer and a plurality of line arrays 400 and different functional modules, can form a variety of offshore comprehensive test equipment, realizes the integration of the traditional underwater test equipment, improves the performance of the equipment, and finally achieves the purpose of reducing the number of test equipment, improving the reliability of the test equipment, reducing the number of operators and reducing the test preparation time.

[0030] In one embodiment of the present application, the N line arrays are used as underwater acoustic signal receiving transducers. When the cabin electronic equipment 200 is configured with a directional communication module, the N line arrays can also be used as transmitting transducers.

[0031] In one embodiment of the present application, the cavity of the shell 100 is provided with a mounting seat (not shown). The mounting seat is used for fixing the cabin electronic equipment 200, and the mounting seat is detachably connected with the end cover of the cavity. The mounting seat with the maximum bearing requirement is designed and manufactured, and the fixed height of the cabin electronic equipment is adjustable. Different functional modules can be conveniently and quickly installed according to the test use requirements, the flexibility of the equipment function configuration is ensured, and the universality of the equipment is improved.

[0032] In one embodiment of the present application, as shown in Figure 1 The offshore test transducer array structure includes a watertight socket 500 for connecting the external cable and the in-cabin electronic device 200 together, the shell is provided with a through hole, the watertight socket 500 is arranged in the through hole to block the through hole, the watertight socket 500 is sealingly matched with the shell to provide a sealed space for the in-cabin electronic device 200 in the cavity. The in-cabin electronic device 200 is electrically connected with the external cable through the watertight socket 500, and the watertight socket 500 is arranged to facilitate the connection with the external cable, facilitate the carrying of the device, shorten the preparation time of the device, and improve the test efficiency.

[0033] In one embodiment of the present application, as shown in Figure 1 The shell 100 includes a shell body 110, an upper end cover 120 and a lower end cover 130, the shell body 110 is in a cylindrical structure, the upper end cover 120 is matched with the shape of the upper end port of the shell body 110, and the upper end cover 120 is arranged at the upper end of the shell body 110 and sealingly matched with the shell body 110. Specifically, the upper end cover 120 is connected with the shell body 110 by bolts, and a sealing ring is arranged between the upper end cover 120 and the upper end port of the shell body 110 for sealing. The lower end cover 130 is matched with the shape of the lower end port of the shell body 110, and the lower end cover 130 is arranged at the lower end of the shell body 110 and sealingly matched with the shell body 110. Specifically, the lower end cover 130 is connected with the shell body 110 by bolts, and a sealing ring is arranged between the lower end cover 130 and the lower end port of the shell body 110 for sealing. The shell body 110, the upper end cover 120 and the lower end cover 130 enclose a cavity, and the size of the cavity can accommodate all functional modules.

[0034] In one embodiment of the present application, as shown in Figure 1 The watertight socket 500 is arranged on the upper end cover 120, and the transmitting transducer 300 is arranged on the lower end cover 130. Preferably, the transmitting transducer 300 is arranged in the central region of the lower end cover 130. The arrangement position of the transmitting transducer 300 is determined according to the use mode of the offshore test transducer array structure, when the offshore test transducer array structure is used in the buoy type, the transmitting transducer 300 is arranged on the lower end cover 130. By arranging the transmitting transducer 300 at different positions, different use scenarios can be adapted, which can be used as a buoy type test measurement device, as a submersible type test measurement device, and also can be used for ship side launching device.

[0035] The working depth D of the transducer array structure for offshore test can reach 500m, the working frequency band B can reach 10Hz-50kHz, and the spatial signal processing gain G can reach about 10 times. When the number of the linear array is determined, the number N of the linear array can be optimized according to the parameters of the working depth D, the working frequency band B and the spatial signal processing gain G, so as to determine the structural parameters such as the diameter Φ and the height H of the shell. After the transducer array structure for offshore test is designed, the acoustic performance of the transducer array is detected according to the relevant acoustic measurement standards in the anechoic tank, and the function is tested and verified. The transducer array structure for offshore test has high acoustic signal processing gain, and the horizontal direction and the vertical direction will obtain N times and M times signal processing gain respectively, so that the transmission signal strength and the receiving detection capability can be significantly improved, and directional underwater acoustic communication can also be realized.

[0036] In an embodiment of the present application, as shown in Figure 2 A plurality of linear arrays are uniformly distributed on the outer side of the shell body in parallel to the axial direction of the cylinder, and the distance between the adjacent two linear arrays is equal. The installation error of the linear array 400 is required to be controlled within ±2mm.

[0037] In an embodiment of the present application, as shown in Figure 1 The transducer array structure for offshore test further comprises a protective frame 600, which is arranged around the outer periphery of the transmitting transducer 300 and connected with the lower end cover 130. The protective frame 600 has the following two functions: on the one hand, the protective frame 600 is arranged at the bottom of the shell, and the bottom of the protective frame 600 is a plane, so that the transducer array structure for offshore test can be conveniently placed, and the stability of the transducer array structure for offshore test is improved; on the other hand, the protective frame 600 is arranged around the outer periphery of the transmitting transducer 300, so as to protect the transmitting transducer 300 and prevent the transmitting transducer 300 from being impacted by the outside, thereby prolonging the service life of the transmitting transducer 300. In addition, the protective frame 600 is a hollow structure, which will not interfere with the transmitting transducer 300, and the signal stability of the transmitting transducer 300 is improved.

[0038] Preferably, the protective frame 600 is detachably connected with the lower end cover 130, so as to facilitate the maintenance of the transmitting transducer 300. Specifically, the protective frame 600 is connected with the lower end cover 130 through bolts.

[0039] In an embodiment of the present application, the protective frame 600 is a telescopic support. Since different models of transmitting transducers 300 have different heights, when different types of transmitting transducers 300 are replaced, different sizes of protective frames 600 need to be replaced to adapt to the transmitting transducers 300; by adopting the telescopic support, one protective frame 600 can be adapted to different models of transmitting transducers 300, thereby effectively reducing the use cost.

[0040] In one embodiment of the utility model, the cabin electronic equipment 200 is electrically connected with the transmitting transducer 300 and the linear array 400 through the quick connector. Since different functional modules are carried to form the cabin electronic equipment 200 according to different test requirements during the test, the cabin electronic equipment 200 is electrically connected with the transmitting transducer 300 and the linear array 400 through the quick connector, so that the cabin electronic equipment 200 can be conveniently replaced, the preparation time of the equipment is further shortened, and the work efficiency is improved.

[0041] In one embodiment of the utility model, the cabin electronic equipment 200 is electrically connected with the transmitting transducer 300 and the linear array 400 through the quick connector. Since different functional modules are carried to form the cabin electronic equipment 200 according to different test requirements during the test, the cabin electronic equipment 200 is electrically connected with the transmitting transducer 300 and the linear array 400 through the quick connector, so that the cabin electronic equipment 200 can be conveniently replaced, the preparation time of the equipment is further shortened, and the work efficiency is improved.

[0042] The transducer array structure for offshore test provided by the utility model can be adapted to the cabin electronic equipment 200 composed of one transmitting transducer and multiple linear arrays 400 and different functional modules, can constitute a variety of offshore comprehensive test devices, realizes the integration of the functions of the traditional underwater test device, improves the performance of the device, and finally achieves the purposes of reducing the number of test devices, improving the reliability of the test device, reducing the number of operators and reducing the test preparation time.

[0043] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A transducer array structure for use in a sea trial, characterised in that, The utility model relates to a kind of underwater acoustic transducer, including: Housing (100), it is cylindrical structure, with cavity inside; In-cabin electronic device (200), it is set in the cavity; Transmitting transducer (300), it is set in the bottom of the housing (100), and it is electrically connected with the in-cabin electronic device (200);The transmitting transducer (300) is used as the emission of underwater acoustic signal; Linear array (400), linear array (400) is formed by two or more than equal-interval arrangement same type transducer unit, and multiple linear array is evenly distributed on the outer side of the housing (100) parallel to cylindrical axis, and it is electrically connected with the in-cabin electronic device (200);The linear array (400) is used as the reception or emission of underwater acoustic signal; The cavity of the housing (100) is provided with mounting seat, and the mounting seat is used for fixing in-cabin electronic device, and the mounting seat is detachably connected with the end cover of cavity; Protective frame (600), protective frame (600) is surrounded in the periphery of the transmitting transducer (300), and it is detachably connected with lower end cover (130); The protective frame (600) includes protective frame main part and multiple connecting rods, the protective frame main part is annular, one end of multiple connecting rods is connected with the protective frame main part, the other end of multiple connecting rods is connected with the lower end cover (130), the connecting rod is sequentially sleeved together by at least two connecting pipes of different outer diameters, and positioning hole is arranged on the outer wall of adjacent two connecting pipes, when the positioning hole of two connecting pipes is aligned, positioning pin is inserted into the positioning hole of two connecting pipes, to position the connecting pipe.

2. The transducer array structure for offshore testing of claim 1, wherein, Further including: Water-tight socket (500), the housing is provided with through hole, and water-tight socket (500) is set in through hole, and it is sealingly cooperated with the housing, and the in-cabin electronic device (200) is electrically connected with external cable through the water-tight socket (500).

3. The transducer array structure for offshore testing of claim 2, wherein, The housing (100) includes housing main body (110), upper end cover (120) and lower end cover (130), upper end cover (120) is set in the upper end of housing main body (110) and is sealingly cooperated with housing main body (110), and lower end cover (130) is set in the lower end of housing main body (110) and is sealingly cooperated with housing main body (110), and housing main body (110), upper end cover (120) and lower end cover (130) enclose the cavity.

4. The transducer array structure for offshore testing of claim 3, wherein, The water-tight socket (500) is set in the upper end cover (120), and the transmitting transducer (300) is set in the lower end cover (130).

5. A transducer array structure for offshore testing according to any of claims 1 to 4, characterised in that, The in-cabin electronic device (200) is electrically connected with the transmitting transducer (300) and the linear array (400) by quick connector.

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