CN109782333B - Hydrophone device and hydrophone system - Google Patents

Hydrophone device and hydrophone system Download PDF

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Publication number
CN109782333B
CN109782333B CN201910107128.0A CN201910107128A CN109782333B CN 109782333 B CN109782333 B CN 109782333B CN 201910107128 A CN201910107128 A CN 201910107128A CN 109782333 B CN109782333 B CN 109782333B
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China
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hydrophone
spoiler
signal
flow stabilizing
signal cable
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CN109782333A (en
Inventor
李春
杨肖迪
刘振纹
邓海峰
曹文冉
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Offshore Engineering Co Ltd
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China National Petroleum Corp
CNPC Engineering Technology R&D Co Ltd
CNPC Offshore Engineering Co Ltd
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  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

The invention relates to a hydrophone device and a hydrophone system. The hydrophone device comprises a hydrophone and a spoiler. The hydrophone includes hydrophone body and signal cable, and signal cable one end is connected in the signal processor that sets up on the geophysical prospecting ship, and the other end is connected in the hydrophone body. The spoiler includes spoiler body and spoiler pterygoid lamina, is provided with first mounting hole on the spoiler body, and the signal cable is located through first mounting hole cover to the spoiler body, and is located between hydrophone body and the signal processor, and the spoiler pterygoid lamina is around locating on the spoiler body with the heliciform. The hydrophone system comprises a signal processor and a hydrophone device. The hydrophone device is used for monitoring underwater sound wave signals through the hydrophone body and sending the underwater sound wave signals to the signal processor through the signal cable. And the signal processor is used for obtaining a detection result according to the underwater sound wave signal. The hydrophone device can guarantee that the monitored sound wave signals have stability, and the hydrophone system can guarantee that detection results have reliability.

Description

Hydrophone device and hydrophone system
Technical Field
The invention relates to the technical field of marine science, in particular to a hydrophone device and a hydrophone system.
Background
The marine towed hydrophone is commonly used in marine seismic exploration and engineering geophysical prospecting operation, and the common operation mode is to connect the hydrophone to a signal processor arranged on a geophysical prospecting ship, and then tow the hydrophone below the sea level at a certain distance from the tail of the geophysical prospecting ship to receive sound wave signals. During towing, the hydrophones are subject to the combined action of the sea currents at the geophysical stern, often in a vibrating state. When the vibration amplitude is large, the hydrophone cannot work normally, and the received signal is unstable and even lost. At present, the vibration of the linear hydrophone is reduced by adopting a method of controlling the ship speed and adjusting the towing length, but the effect is not good.
Disclosure of Invention
In view of the above, the present invention provides a hydrophone apparatus and a hydrophone system to solve the above problems.
The hydrophone device provided by the embodiment of the invention comprises a hydrophone and a spoiler;
the hydrophone comprises a hydrophone body and a signal cable, wherein one end of the signal cable is connected to a signal processor arranged on the geophysical prospecting ship, and the other end of the signal cable is connected to the hydrophone body;
the spoiler comprises a spoiler body and spoiler wing plates, wherein the spoiler body is arranged on the signal cable and is positioned between the hydrophone body and the signal processor, and the spoiler wing plates are wound on the spoiler body in a spiral shape.
Furthermore, the spoiler wing plate is wound from one end of the spoiler body to the other end of the spoiler body, one end of the spoiler wing plate is coplanar with one end of the spoiler body, and the other end of the spoiler wing plate is coplanar with the other end of the spoiler body.
Furthermore, a first mounting hole is formed in the spoiler body, the first mounting hole penetrates from one end of the spoiler body to the other end of the spoiler body, and the spoiler body is sleeved on the signal cable through the first mounting hole.
Further, the spoiler body is of a cylindrical structure, and the axis of the first mounting hole is collinear with the axis of the spoiler body.
Further, the hydrophone device further comprises a first flow stabilizing cover;
the first flow stabilizing cover is provided with a second mounting hole which penetrates from one end of the first flow stabilizing cover to the other end of the first flow stabilizing cover, and the first flow stabilizing cover is sleeved on the signal cable through the second mounting hole and is positioned between the hydrophone body and the spoiler.
Further, the first flow stabilizing cover is of a cone-frustum-shaped structure and comprises a first end face and a second end face which are opposite, the area of the first end face is larger than that of the second end face, the first end face faces the hydrophone body, and the second end face faces the spoiler.
Further, the axis of the second mounting hole is collinear with the axis of the first flow stabilizing cover.
Further, the hydrophone device further comprises a second flow stabilizing cover;
the second flow stabilizing cover comprises a flow stabilizing cover body and a connecting cable, one end of the connecting cable is connected to the hydrophone body, and the other end of the connecting cable is connected to the flow stabilizing cover body.
Further, the steady flow cover body is a cone frustum-shaped structure and comprises a third end face and a fourth end face which are opposite to each other, the area of the third end face is larger than that of the fourth end face, the third end face deviates from the hydrophone body, and the fourth end face faces the hydrophone body.
The hydrophone system provided by the embodiment of the invention comprises a signal processor and the hydrophone device;
the hydrophone device is connected with the signal processor through the signal cable and used for monitoring an underwater sound wave signal through the hydrophone body and sending the underwater sound wave signal to the signal processor through the signal cable;
the signal processor is arranged on the geophysical prospecting ship and used for receiving the underwater sound wave signals sent by the underwater acoustic device and obtaining detection results according to the underwater sound wave signals.
According to the hydrophone device provided by the embodiment of the invention, the spoiler is arranged on the signal cable, and the spiral spoiler wing plate is wound on the periphery of the spoiler, so that when the hydrophone device provided by the embodiment of the invention is dragged below the sea level at the tail of the geophysical prospecting ship and is used for receiving sound wave signals, part of the spoiler is exposed above the sea level and is partially submerged below the sea level, and when the hydrophone device is dragged by the geophysical prospecting ship to move, the spoiler can disturb vortex street release generated on the signal cable, so that the effect of improving the stability of the signal cable is achieved, the hydrophone body can normally work, and the monitored sound wave signals have higher stability.
In practical application, the hydrophone device provided by the embodiment of the invention can be connected with a signal processor to form a hydrophone system, wherein the hydrophone device is connected with the signal processor through a signal cable and is used for monitoring an underwater sound wave signal through the hydrophone body and sending the underwater sound wave signal to the signal processor through the signal cable, the signal processor is arranged on a geophysical prospecting ship and is used for receiving the underwater sound wave signal sent by the hydrophone device and obtaining a detection result according to the underwater sound wave signal, and the received sound wave signal has high stability, so that the detection result obtained by the signal processor according to the received sound wave signal has high reliability.
The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only some embodiments of the invention and are therefore not to be considered limiting of its scope, for those skilled in the art will be able to derive additional related drawings therefrom without the benefit of the inventive faculty.
Fig. 1 is a schematic view of an operating state of a hydrophone apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a spoiler according to an embodiment of the present invention.
Icon: 10-a hydrophone system; 100-a hydrophone device; 110-a hydrophone; 111-a hydrophone body; 112-a signal cable; 120-a spoiler; 121-spoiler body; 122-spoiler wings; 130-a first flow stabilizing hood; 131-a first end face; 132-a second end face; 140-a second flow stabilizing hood; 141-a flow stabilizing cover body; 1411-a third end face; 1412-fourth end face; 142-a connection cable; 200-a signal processor.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The inventor researches and discovers that when a geophysical prospecting ship drags the hydrophone to move, the signal cable forms a certain angle with the sea level, vortex street release is generated when the ocean current generated by dragging acts on the signal cable, the signal cable vibrates in the direction vertical to the ocean current, and the amplitude of the signal cable is the largest when the vortex street release frequency is the same as the vibration frequency of the signal cable. Therefore, if vortex street release generated on the signal cable can be disturbed, the effect of improving the stability of the signal cable can be achieved, and the normal work of the hydrophone can be guaranteed.
In view of this, referring to fig. 1, an embodiment of the present invention provides a hydrophone apparatus 100, where the hydrophone apparatus 100 includes a hydrophone 110 and a spoiler 120.
The hydrophone 110 includes a hydrophone body 111 and a signal cable 112, one end of the signal cable 112 is connected to a signal processor 200 disposed on the geophysical vessel, and the other end is connected to the hydrophone body 111. In addition, referring to fig. 2, the spoiler 120 includes a spoiler body 121 and spoiler wings 122, the spoiler body 121 is disposed on the signal cable 112 and located between the hydrophone body 111 and the signal processor 200, and the spoiler wings 122 are spirally wound on the spoiler body 121.
Through the above arrangement, when dragging the hydrophone device 100 below the sea level of the geophysical prospecting stern, the hydrophone device is used for receiving sound wave signals, the spoiler 120 is partially exposed above the sea level and partially submerged below the sea level, when the geophysical prospecting ship drags the hydrophone device 100 to move, the spoiler 120 can disturb vortex street release generated on the signal cable 112, avoid the signal cable 112 to vibrate in the direction of vertical sea current, the effect of improving the stability of the signal cable 112 is played, and therefore the hydrophone body 111 can normally work, and the monitored sound wave signals are guaranteed to have higher stability.
Alternatively, in the embodiment of the present invention, the spoiler 122 is wound from one end of the spoiler body 121 to the other end of the spoiler body 121, and one end of the spoiler 122 is coplanar with one end of the spoiler body 121 and the other end is coplanar with the other end of the spoiler body 121. With this arrangement, the effective range of action of the spoiler 120 for disturbing the vortex street release generated on the signal cable 112 can be increased, and the stability of the signal cable 112 can be further improved.
In the embodiment of the present invention, as an implementation manner, a first mounting hole penetrating from one end to the other end of the spoiler body 121 is provided on the spoiler body 121, and the spoiler body 121 is sleeved on the signal cable 112 through the first mounting hole. Further, the spoiler body 121 may be provided in a cylindrical structure while making the axis of the first mounting hole collinear with the axis of the spoiler body 121. With this arrangement, the spoiler 120 can maintain high stability to further improve the stability of the signal cable 112.
Optionally, in this embodiment of the present invention, the hydrophone apparatus 100 further includes a first flow stabilizing cover 130. The first flow stabilizing cover 130 is provided with a second mounting hole which penetrates from one end of the first flow stabilizing cover 130 to the other end, the axis of the second mounting hole can be collinear with the axis of the first flow stabilizing cover 130, and the first flow stabilizing cover 130 is sleeved on the signal cable 112 through the second mounting hole and is positioned between the hydrophone body 111 and the spoiler 120.
Through the arrangement, when the hydrophone device 100 is dragged below the sea level at the tail of the geophysical prospecting ship and used for receiving the sound wave signals, and the geophysical prospecting ship drags the hydrophone device 100 to move, the stability of the signal cable 112 can be further improved due to the stabilizing effect of the first flow stabilizing cover 130, and therefore the stability of the sound wave signals is further improved.
In the embodiment of the present invention, as an implementation manner, the first flow stabilizing cover 130 may be configured to be a frustum-shaped structure, and include a first end surface 131 and a second end surface 132 that are opposite to each other, an area of the first end surface 131 is larger than an area of the second end surface 132, the first end surface 131 faces the hydrophone body 111, and the second end surface 132 faces the spoiler 120. In addition, the periphery of the first flow stabilizer cover 130 may adopt a streamlined design. With such an arrangement, due to the structural particularity of the first flow stabilizing cover 130, the movement resistance can be reduced, and finally, the stability of the signal cable 112 is further improved, so that the stability of the sound wave signal is further improved.
Optionally, in this embodiment of the present invention, the hydrophone apparatus 100 further includes a second flow stabilization cap 140. The second flow stabilizing cover 140 includes a flow stabilizing cover body 141 and a connecting cable 142, one end of the connecting cable 142 is connected to the hydrophone body 111, and the other end is connected to the flow stabilizing cover body 141.
Similarly, with the above arrangement, when the hydrophone apparatus 100 is towed below the sea level at the stern of the geophysical prospecting ship for receiving the sound wave signal, and the geophysical prospecting ship tows the hydrophone apparatus 100 for movement, the stability of the signal cable 112 can be further improved due to the stabilizing effect of the second flow stabilizing cap 140, so that the stability of the sound wave signal can be further improved.
In the embodiment of the present invention, as an implementation manner, the flow stabilization cover body 141 may be configured to be a cone-shaped structure, and include a third end surface 1411 and a fourth end surface 1412 that are opposite to each other, an area of the third end surface 1411 is larger than an area of the fourth end surface 1412, the third end surface 1411 faces away from the hydrophone body 111, and the fourth end surface 1412 faces toward the hydrophone body 111. In addition, the periphery of the second flow stabilization cap 140 may be of a streamlined design. With such an arrangement, due to the structural particularity of the second flow stabilizing cover 140, the movement resistance can be reduced, and finally, the stability of the signal cable 112 is further improved, so that the stability of the sound wave signal is further improved.
Referring to fig. 1 and fig. 2 again, in an embodiment of the present invention, a hydrophone system 10 is further provided, where the hydrophone system 10 includes a signal processor 200 and the hydrophone apparatus 100.
The hydrophone apparatus 100 is connected to the signal processor 200 through the signal cable 112, and is configured to monitor an underwater acoustic signal through the hydrophone body 111, and send the underwater acoustic signal to the signal processor 200 through the signal cable 112. The signal processor 200 is disposed on the geophysical prospecting ship, and is configured to receive the underwater acoustic wave signal sent by the hydrophone apparatus 100, and obtain a detection result according to the underwater acoustic wave signal.
When the hydrophone system 10 is used in marine seismic exploration and engineering geophysical prospecting operations, the hydrophone device 100 can be connected to the signal processor 200, the signal processor 200 is arranged on a geophysical prospecting ship, and the hydrophone device 100 is towed below the sea level at the tail of the geophysical prospecting ship at a certain distance to receive sound wave signals and ensure that the spoilers 120 are partially exposed above the sea level and partially submerged below the sea level during towing. Thus, the spoiler 122 of the spoiler 120 disturbs the vortex street release generated by the ocean current acting on the signal streamer, so that the vibration frequency of the signal cable 112 is different from the frequency of the vortex street release, thereby reducing the vibration of the signal cable 112 in the direction perpendicular to the ocean current, ensuring that the hydrophone body 111 can normally work, and ensuring that the monitored sound wave signal has higher stability.
Further, due to the stabilizing effect of the first and second flow stabilization covers 130 and 140, the stability of the signal cable 112 can be further improved, thereby further improving the stability of the acoustic wave signal. In addition, the peripheries of the first flow stabilizing cover 130 and the flow stabilizing cover body 141 are both in streamline design, so that the motion resistance can be reduced, and finally, the stability of the signal cable 112 is further improved, so that the stability of the sound wave signal is further improved.
In summary, in the hydrophone apparatus 100 provided in the embodiment of the present invention, the spoiler 120 is disposed on the signal cable 112, and the helical spoiler wing 122 is disposed around the periphery of the spoiler 120, so that when the hydrophone apparatus 100 provided in the embodiment of the present invention is towed below the sea level of the geophysical prospecting stern for receiving the sound wave signal, the spoiler 120 is partially exposed above the sea level and partially submerged below the sea level, and when the geophysical prospecting ship tows the hydrophone apparatus 100 for movement, the spoiler 120 can disturb the vortex street release generated on the signal cable 112, so as to improve the stability of the signal cable 112, thereby ensuring that the hydrophone body 111 can normally operate, and ensuring that the monitored sound wave signal has higher stability.
In practical applications, the hydrophone apparatus 100 provided by the embodiment of the present invention may be connected to the signal processor 200 to form a hydrophone system 10, wherein the hydrophone apparatus 100 is connected to the signal processor 200 through the signal cable 112, and is configured to monitor an underwater acoustic signal through the hydrophone body 111, and send the underwater acoustic signal to the signal processor 200 through the signal cable 112, the signal processor 200 is disposed on a geophysical vessel, and is configured to receive the underwater acoustic signal sent by the hydrophone apparatus 100, and obtain a detection result according to the underwater acoustic signal, and since the received acoustic signal has high stability, the detection result obtained by the signal processor 200 according to the received acoustic signal has high reliability.
In the description of the present invention, it should also be noted that the terms "disposed" and "connected" are to be construed broadly and, for example, may be fixedly connected, detachably connected, or integrally connected, unless expressly stated or limited otherwise. Either mechanically or electrically. They may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, which are merely for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A hydrophone device is characterized by comprising a hydrophone, a spoiler, a first flow stabilizing cover and a second flow stabilizing cover;
the hydrophone comprises a hydrophone body and a signal cable, wherein one end of the signal cable is connected to a signal processor arranged on the geophysical prospecting ship, and the other end of the signal cable is connected to the hydrophone body;
the spoiler comprises a spoiler body and spoiler wing plates, the spoiler body is arranged on the signal cable and is positioned between the hydrophone body and the signal processor, the spoiler wing plates are spirally wound on the spoiler body, and part of the spoiler is exposed above the sea level and part of the spoiler is submerged below the sea level;
the first flow stabilizing cover is provided with a second mounting hole which penetrates from one end of the first flow stabilizing cover to the other end of the first flow stabilizing cover, and the first flow stabilizing cover is sleeved on the signal cable through the second mounting hole and is positioned between the hydrophone body and the spoiler; the first flow stabilizing cover is of a cone-frustum-shaped structure and comprises a first end surface and a second end surface which are opposite, the area of the first end surface is larger than that of the second end surface, the first end surface faces the hydrophone body, and the second end surface faces the spoiler;
the second flow stabilizing cover comprises a flow stabilizing cover body and a connecting cable, one end of the connecting cable is connected to the hydrophone body, and the other end of the connecting cable is connected to the flow stabilizing cover body; the flow stabilizing cover body is of a cone frustum-shaped structure and comprises a third end face and a fourth end face which are opposite to each other, the area of the third end face is larger than that of the fourth end face, the third end face deviates from the hydrophone body, and the fourth end face faces the hydrophone body.
2. The hydrophone device of claim 1, wherein the spoiler panel extends around from one end of the spoiler body to the other end of the spoiler body, and wherein one end of the spoiler panel is coplanar with one end of the spoiler body and the other end is coplanar with the other end of the spoiler body.
3. The hydrophone device recited in claim 1, wherein the spoiler body is provided with a first mounting hole penetrating from one end to the other end of the spoiler body, and the spoiler body is sleeved on the signal cable through the first mounting hole.
4. The hydrophone device of claim 3, wherein the spoiler body is a cylindrical structure and the axis of the first mounting hole is collinear with the axis of the spoiler body.
5. The hydrophone device of claim 1, wherein an axis of the second mounting hole is collinear with an axis of the first flow stabilizer cap.
6. A hydrophone system comprising a signal processor and a hydrophone apparatus as claimed in any one of claims 1 to 5;
the hydrophone device is connected with the signal processor through the signal cable and used for monitoring an underwater sound wave signal through the hydrophone body and sending the underwater sound wave signal to the signal processor through the signal cable;
the signal processor is arranged on the geophysical prospecting ship and used for receiving the underwater sound wave signals sent by the underwater acoustic device and obtaining detection results according to the underwater sound wave signals.
CN201910107128.0A 2019-02-02 2019-02-02 Hydrophone device and hydrophone system Active CN109782333B (en)

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CN109782333B true CN109782333B (en) 2020-12-29

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US5020033A (en) * 1990-09-28 1991-05-28 The United States Of America As Represented By The Secretary Of The Navy Large eddy break-up device for towed arrays
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CN103217717B (en) * 2013-03-28 2015-09-30 中国海洋石油总公司 A kind of marine seismic exploration towline equipment
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