KR101656860B1

KR101656860B1 - Deflector system with angle adjustable vane of towing receiver onto the underwater for the based on divided type of marine seismic survey of 3dimension

Info

Publication number: KR101656860B1
Application number: KR1020160006833A
Authority: KR
Inventors: 김원식; 김현도; 김찬수; 정진
Original assignee: 한국지질자원연구원; 주식회사 지오뷰
Priority date: 2016-01-20
Filing date: 2016-01-20
Publication date: 2016-09-13

Abstract

The present invention relates to a vane angle adjustable deflector system for a detachable three-dimensional marine seismic survey capable of obtaining reliable seismic data by tracing a pair of streamers while maintaining a constant gap in performing three-dimensional oceanic seismic surveying A pair of strands each of which is towed by a probe while forming a pair of strumers connected to each other and each of which is made up of a buoyant body and is pulled up while floating the pair of streamers; A plate vane disposed on the bottom of each of the pair of boards and disposed in the water so as to generate a fluid resistance in a direction in which the pair of boards move together with the board, ; A connecting rope connecting the pair of vanes in a spaced-apart relation to limit a maximum separation distance of the boards; And a vane connector for rotatably coupling the vane to the board while allowing the angle of the vane to be controlled to control the magnitude of the fluid resistance.

Description

TECHNICAL FIELD [0001] The present invention relates to a deflector system for an angle-adjustable deflector system for a three-dimensional seawater seismic wave,

The present invention relates to a marine three-dimensional seismic wave exploration apparatus, and more particularly, to a marine three-dimensional seismic wave exploration apparatus which is capable of obtaining reliable seismic data by pulling a pair of streamers And a vane angle-adjustable deflector system for three-dimensional oceanic seismic exploration.

In general, oceanic seismic surveys are carried out with the sounder generating the seismic wave at the tail of the probe and the streamer with the recorder taken in succession, and periodically blasting the seismic waves from the sound source. When the generated seismic waves are reflected from the sea floor and reach the water depth, they are recorded and analyzed to obtain ocean information.

These marine seismic surveys refer to the investigation of stratigraphy and embryogenesis of geologic strata below the ocean floor that exist under a large medium of underwater. In carrying out a large survey area, the probe usually operates multi-channel streamer cable with one or more acoustic wave sources. An acoustic wave source typically generates an acoustic pulse in the water using a compressed air gun. The energy from these wavelengths emanates spherically from the water, and the elastic waves propagating to the seabed are propagated to each stratum in the ocean floor and return to the form of reflected waves when they come into contact with the interface with the stratum of other media I have. The reflected energy (reflected wave) is reflected through the streamer which is a crystal of the sensor composed of the hydrophone, recorded as data representing each energy, processed through the data processing, And provides information on the characteristics of the disease.

In order to perform the above-mentioned seismic wave surveying, it is necessary to provide an OBC (Ocean Bottom Cable type) streamer of Korean Patent Laid-Open No. 10-2012-0076952, Korean Patent Laid-open No. 10-2013-0134822 with a wing, a protective case, Streamer and a multi-wave seismic wave exploration device of Korean Patent No. 10-1016014, and a technique of converting the Acquired Acoustic Wave Acquisition Data of Korean Patent No. 10-1230040 into an ODCE file is applied.

These seismic surveys are divided into large ship exploration and small ship exploration depending on the size of the ship used. The streamer array used is a two dimensional survey with one line, and three dimensional survey with two lines or more.

1 is a schematic diagram of 2D and 3D seismic exploration.

In the 2D survey, a sound source and a set of receivers (streamers) are traversed to obtain information about a 2D cross-section for a virtual plane including a sound source and a streamer as shown in FIG. 1 (a). In other words, the artificial seismic wave generated from the sound source passes through the underground medium and is recorded in the water column through the seawater layer. This two - dimensional seismic survey has been extensively used for the investigation of underground geological structure, as well as the extraction of oil and natural gas promising structures. The two-dimensional seismic surveying equipment consists of a sound source and a water depth, which are underwater towing equipment, and the recording equipment is composed of the side, seismic signal recording and quality control.

On the other hand, three-dimensional survey is performed using more than two sets of surveyors, and three-dimensional information is obtained from the data acquisition as shown in Fig. 1 (b). The data obtained from the three-dimensional survey can be used to derive precise underground geological structures and information on the characteristics of oil reserves through various types of analyzes.

These three-dimensional (3D) oceanographic seismic lattices collect the data needed to generate geophysical information of the seafloor strata including longitudinal, transverse and depth information. Therefore, 3 - D surveys can image much more complex structures than 2 - D surveys, but they have been performed largely as large vessels in order to salvage a large number of equipment and accurately acquire the location information of each equipment. Recent 3D seismic surveys are carried out with large-scale probes, dedicated exploration equipment, and specialized exploration personnel. Overseas generic probes are 80 ~ 95 m long, 16 ~ 18m wide, 4000 ton class, 45 ~ 55 in size, and run 2 ~ 20 streamers to conduct 3D survey. Two large scale arrays are used as the sound source, and two to six small arrays are used in each sound source array. In consideration of economical efficiency, about 4 to 8 streamers are used, but the tendency is to use more and more streamers.

In addition, 4 - D seismic surveying is a survey method that observes the change of stratigraphy caused by time change by using two or more 3 - D exploration methods.

However, explorations using large vessels may not be able to conduct normal surveys at shallow depths, and where fishing nets, fishing gear, and frequent access to ships are frequent. Therefore, it is technically worthwhile to obtain three-dimensional images by small ship exploration.

2 is a schematic view of an embodiment of a three-dimensional seismic exploration apparatus using a conventional small vessel disclosed in VHR marine 3-dimensional seismics for shallow water investigations: Some practical guidelines (Springer 2005. Tine Missiaen) . As shown in Fig. 2 (a), the 3-D seismic surveying system for a small ship is constructed to acquire three-dimensional seismic data by lifting several 8 m of streamers at intervals of 2 m.

FIG. 2 (b) shows the exploration process using a three-dimensional seismic wave detection device for a small ship constructed as described above. The upper part of FIG. 2 (b) is a photograph of a river, and the lower part is a photograph of a coast. As can be seen from the two photographs shown in FIG. 2 (b), in the coastal area where algae are generated, the distance between streamers is not constant as indicated by an arrow, and thus it fails to obtain a precise three-dimensional acoustic wave stereoscopic image.

Misseian et al., Who attempted the above exploration, explained that it failed to keep the interval between water springs constant due to algae in the coastal area. Although it is reasonable to say that large-sized ship exploration has a speed of about 5 knots per hour (small ships usually 2-3 knots) compared to small-sized vessels, This is because it is difficult to expect this effect with a short streamer that can be lifted from a small ship while its own streamer tension can hold the position for a certain period of time.

Therefore, stable and reliable 3D seismic exploration becomes possible only when these problems are solved.

Korean Patent Publication No. 10-2012-0076952 Korean Patent Publication No. 10-2013-0134822 Korean Patent No. 10-1016014 Korean Patent No. 10-1230040

VHR marine 3-dimensional seismics for shallow water investigations: Some practical guidelines (Springer 2005. Tine Missiaen)

The present invention has been made in order to solve the problems of the conventional art as described above, and it is an object of the present invention to provide a method of detecting a seismic wave by a pair of streamers for holding three- And to provide a vane angle-adjustable deflector system for detachable three-dimensional oceanic seismic surveys.

Particularly, it is possible to separate a pair of boards while attaching a vane to a board that draws a streamer, to provide fluid resistance, and to control the magnitude of the fluid resistance through adjustment of the angle of the vane. It is an object to provide a vane angle adjustable deflector system.

According to an aspect of the present invention, there is provided a deflection angle adjustable deflector system for detachable three-dimensional oceanic seismic waves according to the present invention, wherein a pair of streamers equipped with a water depth detector are towed by a probe, A pair of boards made of a buoyant body and towing the pair of streamers in a floating state; A plate vane disposed on the bottom of each of the pair of boards and disposed in the water so as to generate a fluid resistance in a direction in which the pair of boards move together with the board, ; A connecting rope connecting the pair of vanes in a spaced-apart relation to limit a maximum separation distance of the boards; And a vane connector for rotatably coupling the vane to the board while allowing an angle adjustment of the vane to control the magnitude of the fluid resistance.

For example, the vane connector includes: a plate-shaped upper frame provided on a bottom surface of the board to provide a plane; A hinge shaft which is fixed to an upper portion of the vane and which is inserted into the upper frame and the board in a penetrating manner is formed and at least one screw fastening hole is formed on the outer periphery of the hinge shaft, frame; The upper frame and the board and communicating with the screw fastening holes of the lower frame and formed at equal intervals on the rotation locus of the lower frame about the hinge axis, A plurality of angle adjusting balls sequentially adjusting the angle of the vane while communicating with each other; And a fixing bolt fastened to the screw hole of the lower frame in a state of being fitted to the angle adjusting hole to fix the vane in an angle-adjusted state.

Alternatively, the vane connector may include an upper frame installed on a bottom surface of the board to provide a plane; A collet protruding from the center of the upper frame to protrude from the upper portion of the board and having a plurality of cutting grooves formed along the circumferential direction so as to shrink the inner diameter; A lower frame fixed to the upper portion of the vane and rotated about the collet by a hinge shaft protruding from the collet of the upper frame; And a tightening ring screwed to an outer circumferential surface of the collet to constrict the inner diameter of the collet while pressing and fixing the hinge axis of the lower frame.

Further, the vane may be a flat plate-shaped body portion; A curved line formed by being bent at the front end of the main body and bent toward the outside of the pair of boards to enlarge a contact area with the algae; And a rear cut-off portion formed by being bent at the rear end of the main body and bent toward the inside of the pair of boards to reduce a contact area with the bird, wherein the lower frame is in a state of being perpendicular to the main body And both ends of the flat plate correspond to the curved line segment and the curved line segment.

For example, the connecting ropes may include a plurality of sub ropes, each sub rope having a plurality of end ropes connected to each other along the corners of the vanes, the other ends of the ropes being connected to each other to provide a center of gravity for resistance applied to the vanes. And a main rope connecting the sub rope and the sub rope connected to another vane.

In addition, the subloop may be removably connected to the eyebolts provided along corners of the vane.

In addition, the present invention may further comprise a GPS station installed vertically on the board and extending and extending to the hinge axis to transmit and receive GPS satellite signals.

The vane angle-adjustable deflector system for the separation type three-dimensional oceanic seismic exploration of the present invention having the above-described structure is a device for performing a search by keeping a pair of streamers, which are seismic wave receivers, separated from each other. It is a new equipment which is not required for the exploration equipment. Especially, it is possible to keep the gap between the streamers by keeping the boards apart by connecting ropes while spreading the boards through the fluid resistance by the vanes installed on each pair of boards, The three-dimensional acoustic wave data can be acquired.

Accordingly, it is possible to carry out three-dimensional oceanic seismic surveys in small vessels of less than 10 tons through the present invention, and is suitable for the local marine environment in the coastal area and performs accurate and precise three-dimensional exploration through stable data acquisition can do.

In addition, since the vane provided on the board is rotatably coupled to the vane connector and the angle can be adjusted, the magnitude of the fluid resistance can be adjusted by adjusting the angle of the vane. Therefore, The angle can be adjusted.

Specifically, in the case where the vane connector is constituted by a fixing bolt fastened to the screw fastening hole of the lower frame in a state where the vane connector is fitted in the upper frame and the angle adjusting hole of the board, the vane can be firmly fixed in an angle- , When the vane connector is composed of a collet formed on the upper frame and a tightening ring for pressing the hinge shaft inserted in the collet, the angle of the vane can be more easily adjusted by tightening or loosening the tightening ring.

In addition, the present invention provides a connecting rope for connecting a pair of vanes in a spaced apart relationship, providing a center of gravity of the vane via a subloop while providing a subloop and a main portion, so that a pair of vanes are balanced in a symmetrical state They can be separated from each other.

Further, since the GPS station is installed on the upper part of the board by extending the hinge axis, the present invention can perform a more accurate search by receiving GPS signals.

1 is a schematic diagram of a conventional two-dimensional and three-dimensional seismic exploration.
2 is a view showing a conventional small-sized marine seismic wave exploration apparatus.
3 is a view showing a seismic wave exploration apparatus to which a vane angle-adjustable deflector system for separation type three-dimensional oceanic seismic exploration according to an embodiment of the present invention is applied.
4 is an overall perspective view of a vane angle adjustable deflector system in accordance with an embodiment of the present invention.
FIG. 5 is an exploded perspective view of a vane angle adjustable deflector system according to an embodiment of the present invention, viewed from the bottom; FIG.
6 is a plan view of a vane angle adjustable deflector system in accordance with the present invention;
7 is a plan view showing an angle adjustment state of the vane shown in Fig.
Fig. 8 is an exploded perspective view showing another embodiment of the vane connector shown in Fig. 5; Fig.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted.

Embodiments in accordance with the concepts of the present invention can make various changes and have various forms, so that specific embodiments are illustrated in the drawings and described in detail in this specification or application. It is to be understood, however, that it is not intended to limit the embodiments according to the concepts of the present invention to the particular forms of disclosure, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between. Other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises ", or" having ", or the like, specify that there is a stated feature, number, step, operation, , Steps, operations, components, parts, or combinations thereof, as a matter of principle.

3 is a use state diagram of a vane angle-adjustable deflector system 10 for detachable three-dimensional oceanic seismic exploration according to an embodiment of the present invention.

As a system for performing three-dimensional oceanic seismic surveys, two or more sets of streamers (30) are required, a deflector system (10) constituting two sets of receiver bodies is disposed in a left- Each system of the receiver is color-coded and trained through the probe 1, the rope 3, and other fastening mechanisms, which are the operating bodies, in front of the position, and the rear end is connected to the streamer 30 And serves as an intermediate needle body for pulling each streamer 30.

3, the deflector system 10 includes a streamer 30, which is equipped with hydrophones, which is connected to a deflector 30 so as to perform three-dimensional seismic surveys for a narrow sea area such as a coastal area, Two or more of the deflector systems 10 are installed at the rear of the probe 1 towing the generator 20, and the deflector systems 10, which are adjacent to each other according to the progress of the small ship, receive resistance in a direction away from each other, The spacing of the streamers is kept constant by keeping the interval so that three-dimensional seismic surveys can be performed on the seabed terrain by using the probe line (1) and two or more streamers (30) in the narrow sea area.

Hereinafter, the deflector system 10, which is a main part of the present invention, will be described in more detail.

The deflector system 10 according to the present invention may be configured to include a board 100, a vane 200, a connecting rope 300 and a vane connector 400 as shown in FIGS.

The board 100 is constituted as a pair as shown in FIG. 3 and constitutes a pair with the pair of the streamers 30, and towers the streamer 30, and supports the weight of the components to be described later (Not shown) attached to the center and the tail and connected to the small ship 1 and the streamer 30, which are towing bodies, respectively, do.

The board 100 is formed with a hinge hole at the center thereof so that the hinge shaft 421 of the lower frame 420 to be described later can rotate.

Also, the GPS station 500 may be installed on the top of the board 100 according to the present invention.

5, the GPS station 500 is vertically installed at an upper portion of the board 100 to receive and transmit GPS satellite signals while being installed on the upper end of the hinge shaft 421.

4 and 5, the vane 200 is rotatably installed on the board 100 through a vane connector 400, which will be described later, on the bottom surface of the board 100, Lt; / RTI >

The vane 200 is disposed on the bottom of the board 100 in a plate form and is disposed in the water. The board 100 moves along with the board 100 as the board 100 is towed by the probe 1, A resistance is generated to guide the traveling direction of the board 100. [

That is, the vane 200 guides the proceeding direction of the board 100 while functioning like a direction key installed on a normal ship.

3, the vanes 200 are installed on the pair of boards 100 and generate fluid resistance in a direction in which the pair of boards 100 are widened while moving by the probe 1, Thereby preventing the spacing of the electrodes 100 from becoming narrow.

Accordingly, the pair of streamers 30 are pulled by the board 100, so that the intervals do not become narrower than each other.

5, the vane 200 may be formed with a line breaking piece 220 and a trailing breaker 230 in a body 210 having a flat plate shape.

More specifically, the line-breaking curved portion 220 is bent at the tip portion of the body portion 210 to increase the bending strength of the entire vane 200 from the plane pressure with respect to the plane direction to be received from the current at the time of movement, As a result, the contact area is expanded to generate a large amount of reaction force. That is, the line breaking curved portion 220 is bent in a shape facing the ocean current when the board 100 is moved, thereby providing more contact surfaces.

In addition, the rear cut-off curved portion 230 is formed in a shape that is narrowed toward the inside of the pair of boards 100 in a direction opposite to the line breaking curved portion 220, so that the birds flow to the center of the boards 100 Guide.

The connecting rope 300 limits the maximum separation distance of the boards 100 by connecting the pair of vanes 200 in a spaced apart relationship as shown in FIG.

That is, the connecting rope 300 restrains the boards 100 which are worn by the vanes 200 in a tense state.

Therefore, the pair of board 100 and the streamer 30 move while maintaining a distance equal to the length of the connecting rope 300.

This connecting rope 300 may comprise a subloop 310 and a main rope 320, as shown in FIGS.

The subloop 310 provides a center of gravity for the resistance exerted on the vane 200 and comprises a plurality of connections as shown in Figure 5 such that one end is connected to a connection ring provided along the outer edge of the vane 200 And the other ends are joined together to form one center of gravity point.

It is preferable that the subloop 310 is connected to six places along the outer periphery of the main body 210 constituting the vane 200.

Here, the sub-rope 310 may be detachably connected to a ring head of a plurality of eye bolts integrally fixed along the outer periphery of the main body 210 as shown in FIG.

In addition, the sub rope 310 can be easily connected to the ring head of the eye bolt by having hooks, such as caraviner not shown, provided at each end thereof.

The main ropes 320 interconnect the binding points of the sub ropes 310 and the binding points of the sub ropes 310 connected to another vane 200 to limit the separation distance between the vanes 200.

The vane connector 400 is a component for adjusting the magnitude of the fluid resistance applied to the vane 200 by allowing the aforementioned vane 200 to be rotatably coupled to the board 100 while allowing the adjustment of the angle of rotation.

For example, the vane connector 400 may include an upper frame 410, a lower frame 420, an angle adjusting hole 430, and a fixing bolt 440 as shown in FIG.

The upper frame 410 is formed in a rectangular flat plate shape and is integrally fixed to the bottom surface of the board 100.

The upper frame 410 may be made of a steel plate or a steel plate such as reinforced plastic and fixed to the board 100 through bolts that are not shown and may be provided on the lower surface of the lower frame 420 And the vane 200 can be smoothly rotated.

The lower frame 420 is a component rotatably coupled to the upper frame 410 and the board 100 while being fixed to the upper end of the vane 200 as an identical body.

The lower frame 420 may be fixed to the upper end of the vane 200 by welding while being welded together, or alternatively may be fixed through bolts not shown.

6, the lower frame 420 may have a rectangular parallelepiped shape so as to be perpendicular to the main body 210 of the vane 200 and to have both ends thereof correspond to the line dividing curved portion 220 and the trailing curved portion 230, And is fixed to the vane 200.

5, the lower frame 420 is rotatably fitted through the upper frame 410 and the board 100 through a hinge shaft 421 protruding from the center, and the hinge shaft 421, A screw fastening hole 422 is formed on the outer periphery of the hinge shaft 421 so as to rotate around the hinge shaft 421.

The angle adjusting hole 430 is in communication with the screw coupling hole 422 in accordance with the rotation of the vane 200 and the lower frame 420 and is formed around the hinge shaft 421 as shown in FIGS. Are formed at regular intervals on the rotation locus of the screw fastening holes 422 formed in the lower frame 420 and communicate with the screw fastening holes 422. [

5, the fixing bolt 440 is inserted into the angle adjusting hole 430 of the board 100 and the upper frame 410 and is fastened to the screw fixing hole 422 of the lower frame 420, 200) in an angle-adjusted state.

7, the vane 200 is rotated around the hinge axis 421 together with the lower frame 420, and the angle of the vane 200 is adjusted by the fixing bolt 440, (430) and the screw fastening hole (422).

7, as the vane 200 is rotated about the hinge axis 421 and parallel to the board 100, the resistance of the fluid becomes smaller and the vane 200 becomes orthogonal to the board 100, The resistance of the fluid increases.

8, the vane connector 400 of the present invention may include a collet 450 and a tightening ring 460 as shown in FIG. 8 instead of the angle adjusting hole 430 and the fixing bolt 440 described above It is possible.

As shown in FIG. 8, the collet 450 protrudes from the center of the upper frame 410 to form a tubular shape. The hinge shaft 421 of the lower frame 420 is rotatably fitted, and a plurality And an inner diameter is formed to be contractible.

The lower frame 420 and the vane 200 are rotatable as the hinge shaft 421 is inserted into the inner side of the collet 450. [ Lt; / RTI >

The tightening ring 460 is screwed to the outer circumferential surface of the collet 450 and tightened to reduce the inner diameter of the collet 450 so that the hinge shaft 421 is pressed and fixed.

That is, the tightening ring 460 is screwed to the collet 450 in a state of being fitted to the hinge shaft 421, and the collet 450 is tightened by tightening to tighten the collet 450 against the hinge shaft 421 Thereby fixing the hinge shaft 421 in a state in which rotation is prevented.

In this case, the collet 450 may be protruded to the lower portion of the upper frame 410. In this case, the hinge shaft 421 may be formed with a rotation preventing protrusion, which is inserted into the cutout groove of the collet 450, .

Accordingly, the hinge shaft 421 is pressed and fixed by tightening the tightening ring 460 in a state where the hinge shaft 421 is inserted into the cutout groove of the collet 450 through the rotation preventing protrusion, so that it can be fixed more firmly.

The vane connector 400 of the present invention is fixed by the screw fixing hole 422, the angle adjusting hole 430 and the fixing bolt 440 and the fixing by the collet 450 and the tightening ring 460 May be configured in a combined form.

As described above, the vane angle adjustable deflector system for the separation type three-dimensional oceanic seismic exploration of the present invention includes a vane 200 coupled to the vane 200 via the vane connector 400, The boards 100 are spaced apart from each other through the connecting ropes 300 so as to spread the boards 100 through the fluid resistance by the vane 200 so that the spacing between the streamers 30 So that reliable three-dimensional acoustic wave data can be obtained.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be apparent to those skilled in the art that various changes, substitutions, and alterations can be made therein without departing from the spirit of the invention.

1: probe 3: rope
10: Angle adjustable deflector system 30: Streamer
100: Board 200: Vane
210: main body 220: line breaking curved portion
230: rear cut-off portion 300: connecting rope
310: subloop 320: main rope
400: Vane connector 410: Upper frame
420: lower frame 421: hinge shaft
422: screw fastening hole 430: angle adjusting hole
440: Fixing bolt 450: Collet
460: tightening ring 500: GPS station

Claims

A pair of striders each of which is towed by a probe while forming a pair of strumers connected to each other and each of which is made of a buoyant body and tows the pair of streamers in a floating state;
A plate vane disposed on the bottom of each of the pair of boards and disposed in the water so as to generate a fluid resistance in a direction in which the pair of boards move together with the board, ;
A connecting rope connecting the pair of vanes in a spaced-apart relation to limit a maximum separation distance of the boards; And
And a vane connector for rotatably coupling the vane to the board while allowing an angle adjustment of the vane to control the magnitude of the fluid resistance,
The connecting rope,
A sub-rope comprising a plurality of vanes, one end of each sub-rope being connected along a corner of the vane, the other end being connected to each other to provide a center of gravity for resistance applied to the vane; And
And a main rope connecting the sub rope and the sub rope connected to another vane.

The method according to claim 1,
The vane connector
A plate-shaped upper frame provided on a bottom surface of the board to provide a plane;
A hinge shaft which is fixed to an upper portion of the vane and which is inserted into the upper frame and the board in a penetrating manner is formed and at least one screw fastening hole is formed on the outer periphery of the hinge shaft, frame;
The upper frame and the board and communicating with the screw fastening holes of the lower frame and formed at equal intervals on the rotation locus of the lower frame about the hinge axis, A plurality of angle adjusting balls sequentially adjusting the angle of the vane while communicating with each other; And
And a fixing bolt fastened to the screw hole of the lower frame in a state of being fitted to the angle adjusting hole and fixing the vane in an angularly adjusted state. Deflector system.

The method according to claim 1,
The vane connector
An upper frame provided on a bottom surface of the board to provide a plane;
A collet protruding from the center of the upper frame to protrude from the upper portion of the board and having a plurality of cutting grooves formed along the circumferential direction so as to shrink the inner diameter;
A lower frame fixed to the upper portion of the vane and rotated about the collet by a hinge shaft protruding from the collet of the upper frame; And
And a tightening ring screwed on an outer circumferential surface of the collet to compress and fix a hinge axis of the lower frame while contracting the inner diameter of the collet.

The method according to claim 2 or 3,
The vane
A flat plate type main body portion;
A curved line formed by being bent at the front end of the main body and bent toward the outside of the pair of boards to enlarge a contact area with the algae; And
And a rear curved portion bent at the rear end of the main body portion and bent toward the inside of the pair of boards to reduce a contact area with the bird,
Wherein the lower frame comprises:
Wherein the flat plate has a parallelogram shape orthogonal to the body, and both ends of the flat plate correspond to the curved line segment and the curved line segment, respectively.

The method according to claim 1,
The vane
A flat plate type main body portion;
A curved line formed by being bent at the front end of the main body and bent toward the outside of the pair of boards to enlarge a contact area with the algae; And
And a rear cut-off portion bent at a rear end of the main body to bend toward the inside of the pair of boards to reduce an area of contact with the algae. Adjustable deflector system.

delete

The method according to claim 1,
The sub-
Wherein the vane angle sensor is detachably connected to an eye bolt provided along an edge of the vane.

The method of claim 2,
The deflector system includes:
And a GPS station installed vertically on an upper portion of the board and extending and extending to the hinge axis to transmit and receive GPS satellite signals. .