KR20220067674A - apparatus for combat harmful animals using directional speaker and method to combat harmful animals using the same - Google Patents

Abstract

The present invention relates to an apparatus for repelling a harmful animal using a directional speaker. The apparatus includes: posts erected and spaced apart along the perimeter of a harmful animal repelling area; a moving unit connected so as to be capable of reciprocating with respect to the posts; a drive unit connected to and moving the moving unit; and a speaker unit hung on the moving unit by connecting means, performing random free rotation and position movement while swinging as the moving unit moves forward and backward, and outputting a warning signal capable of repelling a harmful animal. According to the present invention, the speaker unit outputting ultrasonic waves capable of repelling a harmful animal realizes a random radiation pattern by random free rotation and position movement. As a result, it is possible to prevent the harmful animal from adapting to the ultrasonic radiation pattern and improve harmful animal repelling efficiency.

Description

Apparatus for combat harmful animals using directional speaker and method to combat harmful animals using the same}

The present invention relates to a harmful tidal repelling device using a directional speaker and a harmful tidal extermination method using the same, and more particularly, to the repelling device and the exterminating method, by preventing the harmful tidal water from being reduced by adapting the harmful tidal wave to the exterminating device and the exterminating method It relates to a harmful tidal repelling device using a directional speaker that can improve repelling efficiency and is easy to install at a desired location because of its good mobility, and a method for repelling harmful tidal waves using the same.

In general, a harmful tidal repelling device refers to a device for protecting crops by chasing out wild animals such as insects, birds or rodents that can directly or indirectly damage crops in the growing and harvesting seasons.

Examples of such a harmful tide repelling device include a scarecrow, a balloon-type doll using a net or wind, and a noise generating device using firecrackers and loudspeakers. Considering that the effect is low, methods for eradicating the harmful tide by generating sound waves and ultrasonic waves of a certain frequency have been proposed.

On the other hand, as an example of a technology for such a harmful tidal repelling device, Korean Patent Application Laid-Open No. 10-2020-0034170 discloses a support, a light source unit mounted on the top of the support, and a light source mounted on the upper part of the light source unit to rotate and reflect the light source irradiated from the light source unit There has been disclosed a harmful tidal repelling device, characterized in that it consists of a rotating mirror unit.

However, the conventional device for exterminating harmful tides has a problem in that, when a certain period of time has elapsed, the harmful tides adapt to the device and method, and thus the repelling efficiency decreases, and the radiation pattern and adaptability to avoid depending on the harmful tides There was a problem that the repelling effect was not high because it was different.

In addition, in the conventional device for eradicating harmful tidal currents, as the repelling efficiency is lowered in this way, a laser or a general light source is used together to increase the repelling efficiency, and the volume and weight of the entire device increase, thereby restricting movement. There was also a problem in that the installation space was limited.

Republic of Korea Patent Publication No. 10-2020-0034170

The present invention can improve the repelling efficiency of harmful tides by implementing such that the output direction of the speaker unit is a random radiation pattern that is difficult to adapt to, and because the volume and weight are not large, there are few restrictions on movement as well as installation An object of the present invention is to provide a harmful tidal repelling device using an easy-to-use directional speaker and a harmful tidal repelling method using the same.

According to one aspect of the present invention, the present invention is a plurality of poles installed to be installed spaced apart along the periphery of the harmful tidal repelling area; a moving part connected to each of the poles and installed around the harmful tidal eradication area, connected to enable reciprocating movement along the front and rear directions with respect to the poles; a driving unit connected to the moving unit to move the moving unit forward and backward; and a speaker unit that is installed to be suspended from the moving unit through a connection means, performs random free rotation and positional movement while shaking according to the forward and backward movement of the moving unit, and outputs a warning signal to combat harmful tides; including It is possible to provide a harmful tidal repelling device using a directional speaker, characterized in that configured.

Here, the post may be configured to include a support frame, a height adjusting means coupled to the moving part, and coupled to be reciprocally movable along the longitudinal direction of the support frame to adjust the height of the speaker part.

In addition, the connecting means may be configured to include a connecting wire having one end fixedly coupled to the upper surface of the speaker unit and the other end fixedly coupled to the moving unit.

In addition, the connecting means may include a universal joint unit coupled to the moving unit and capable of free rotation and position movement, and a connecting wire having one end coupled to the universal joint unit and the other end fixedly coupled to the upper surface of the speaker unit. .

In addition, the connection means, coupled to the connection wire, increasing the amount of free rotation and position movement of the speaker unit, may be configured to further include a weight for inducing random position movement of the speaker unit.

In this case, the weight may be configured to have eccentricity with respect to the direction of gravity or may be coupled to have eccentricity with respect to the connecting wire.

Furthermore, the speaker unit may include a speaker module configured to output an audible signal so that an input audio signal can be audible, or a speaker module configured to output an ultrasonic signal by ultrasonically modulating the audio signal, and by controlling the speaker module according to a control condition It may be configured to include a mode controller for controlling each of an ultrasonic mode that outputs only an ultrasonic signal, a speaker mode that outputs only an audible signal, and an integrated mode that outputs an ultrasonic signal and an audible signal at the same time.

In addition, the props are installed to be successively spaced apart along the periphery of the harmful tidal repelling area, and the moving part is connected to each of the posts and installed to surround the noxious tide repelling area in a closed loop form, and the speaker unit is a closed loop type. A plurality of moving parts may be installed to be spaced apart from each other to face each other.

In addition, the driving unit includes a winding roller unit on which the moving unit is wound, a motor unit that is shaft-coupled with the winding roller unit and rotates the winding roller unit by a driving signal, and controls the rotation speed, rotation direction, and operation of the motor unit to control the movement of the moving unit. It may be configured to include a driving control unit for controlling the movement speed, the movement direction, the stop during movement and the movement after the stop.

According to another aspect of the present invention, the present invention repels harmful tides using the above-described harmful tide repelling device, but the moving speed, the moving direction, and the moving part of the moving unit so that the driving unit can freely rotate and position the speaker unit at random. controlling movement after stopping and stopping; and controlling each of the ultrasonic mode in which the speaker unit outputs only the ultrasonic signal, the speaker mode in which only the audible signal is output, and the integrated mode in which the ultrasonic signal and the audible signal are simultaneously output according to the control conditions; Tide repelling methods can be provided.

The harmful tide repelling device using a directional speaker and the harmful tide repelling method using the same according to the present invention implement a random radiation pattern by allowing a speaker unit that outputs an ultrasonic wave capable of repelling harmful tides to perform random free rotation and position movement. , it is possible to make the harmful tides unable to adapt to the ultrasonic radiation pattern, thereby improving the repelling efficiency of the harmful tides.

In addition, the harmful tide repelling device using the directional speaker of the present invention and the harmful tide repelling method using the same are easy to install because the speaker unit can be installed only with the holder, the moving unit, and the driving unit, and the volume and weight are not large. It is easy to install in a variety of places desired because there are few restrictions on it, and it is possible to prevent a decrease in the eradication efficiency due to movement restrictions.

In addition, in the harmful tide repelling device using the directional speaker of the present invention and the harmful tide repelling method using the same, the driving device is directly connected to the speaker unit, so that the speaker unit also generates patterned movements according to the specified operating pattern of the driving unit. Unlike the existing system where harmful tides adapt, the speaker unit is installed by hanging the moving unit and then the moving unit is moved so that the speaker unit can be shaken. It is possible to respond to the adaptation problem of harmful tides by implementing

1 is a diagram schematically showing an apparatus for combating harmful tides using a directional speaker according to an embodiment of the present invention.
2 is a diagram schematically showing the configuration of a driving unit in the harmful tidal wave eradication device using a directional speaker according to an embodiment of the present invention.
3 is a view showing the movement of the speaker unit according to the movement of the moving unit in the harmful tidal wave eradication device using a directional speaker according to an embodiment of the present invention.
4 is a view showing another embodiment in which the weight is configured to have an eccentricity in the harmful tidal wave repelling device using the directional speaker according to the embodiment of the present invention of FIG. 3 .
5 is a view showing a case in which the moving rail is formed in a closed loop form in the harmful tidal wave eradication apparatus using a directional speaker according to an embodiment of the present invention.

Hereinafter, a preferred embodiment will be described with reference to the accompanying drawings so that the present invention may be understood in more detail.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

Terms such as first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being “connected” or “connected” to another element, it is understood that it may be directly connected or connected to the other element, but other elements may exist in between. it should be On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In explaining the present invention, in order to facilitate the overall understanding, the same reference numerals are used for the same components in the drawings, and duplicate descriptions of the same components will be omitted.

First of all, the harmful tide repelling device (hereinafter referred to as 'noxious tide repelling device') using a directional speaker according to an embodiment of the present invention, in the case of the existing harmful tide repelling device, after a certain period of time, Contrary to the fact that the repelling efficiency is lowered by adapting to the method, by implementing a random radiation pattern, the harmful tidal wave cannot adapt to the pattern, thereby improving the harmful tidal repelling efficiency and maintaining this repelling efficiency.

Accordingly, with reference to FIG. 1, an apparatus for exterminating harmful tidal currents according to an embodiment of the present invention will be described.

Referring to FIG. 1 , the harmful tidal repelling device of the present invention may include posts 100 , a moving unit 200 , a driving unit 300 , and a speaker unit 400 .

The post 100 is erected and installed in the harmful tidal repelling area, and the moving unit 200 , the driving unit 300 and the speaker unit 400 are installed to support them.

As shown in the figure, a plurality of posts 100 may be erected and installed to be spaced apart from each other in a direction perpendicular to the installation surface. It can be set in various ways taking into account.

The post 100 may be installed in various forms along the harmful tidal repelling area desired by the user, and may be installed in a linear or closed loop form to surround the harmful tidal repelling area.

Here, the post 100, although not shown, may be embedded in the installation surface so that it can be installed standing up against the installation surface, or may be installed using a separate pedestal or the like.

The post 100, each component including the moving part 200 is not bent when installed on the top, and is made of a sufficiently rigid material to support them, or is formed in a truss structure. configuration is possible.

On the other hand, the post 100, although not shown, including a support frame and a height adjustment means, may be configured to be able to adjust the height.

First, the support frame is installed in a vertical direction with respect to the installation surface, and the moving part 200 is coupled to the upper part. Here, the support frame may be configured in the form of a double tube so that the height can be adjusted, and an outer tube that is erected and fixedly installed on an installation surface, and an inner tube that is slidably inserted into the inner circumferential surface of the exterior, and that the moving part 200 is coupled to. may be included.

The height adjusting means is configured to reciprocally slide the inner tube, and according to the sliding movement of the inner tube, the installation height of the moving unit 200 and the speaker unit 400 can be changed.

Here, the height adjustment means may have various configurations such as a hydraulic method or a motor method to reciprocate sliding movement of the inner tube.

First, in the case of the hydraulic type, the height adjusting means is configured to include a piston rod reciprocating linearly by a hydraulic cylinder and a hydraulic pump, and at this time, the piston rod is combined with the inner tube so that the inner tube moves according to the reciprocating movement of the piston rod. can be configured.

Alternatively, in the case of a motor type, the height adjusting means includes a motor, a pinion rotated by the motor, and a rack gear that moves linearly by the rotation of the pinion and is coupled to the inner tube, and the rack gear and the inner tube are adjusted by driving the motor. It may be configured to reciprocate.

Alternatively, the height adjusting means includes a motor, a ball screw rotated by the motor, and a moving nut that moves linearly by rotation of the ball screw and is coupled to the inner tube, and the moving nut and the inner tube are reciprocally moved by driving the motor. Various configurations may be applied, such as being configured to be able to do so.

The moving unit 200 is connected to a set height from the installation surface along each of the posts 100 and installed around the harmful tidal repelling area, and can reciprocate along the front-rear direction (longitudinal direction) with respect to the post 100 . can be connected to

The moving unit 200 may include a moving rail 210 and a sliding unit 220 .

First, the moving rail 210, as shown, may be formed of a rigid material in the form of a bar, and the speaker unit 400 does not sag even when it is hung, and it can maintain rigidity without being shaken by wind, etc. A configuration may be applied.

Alternatively, the moving unit 200 may apply a moving wire that is easy to install other than the moving rail 210 , but is not limited thereto.

The sliding unit 220 is coupled to the post 100, and the moving rail 210 is slidably coupled to enable the moving rail 210 to move forward and backward with respect to the post 100 and to support it. plays a role

The sliding unit 220 may be configured in an annular shape so that the moving rail 210 is slidably inserted therein, and may be configured to support the moving rail 210 upward. Furthermore, the sliding unit 220 may be provided with a bearing or a lubricating fluid to reduce frictional force on a portion in contact with the moving rail 210 .

Hereinafter, the driving unit 300 will be described.

The driving unit 300 is connected to the moving unit 200 and serves to move the moving unit 200 in the front-rear direction. The configuration of the driving unit 300 may be variously applied to the configuration of the moving unit 200 .

Referring to FIG. 2 , the driving unit 300 includes a rack gear 311 , a driving connection unit 310 including a driving gear 312 , and a motor unit 320 for rotating the driving gear 312 , and a motor It may be configured to include a driving control unit 330 for controlling the unit 320 .

Here, the rack gear 311 is coupled to the moving rail 210 in the longitudinal direction as shown in FIG. 2 , and the driving gear 312 is meshed with the rack gear 311 to rotate in both directions, and is driven The connection unit 310 is configured to move the moving rail 210 by linearly reciprocating the rack gear 311 by rotation of the driving gear 312 .

The motor control unit controls the rotation speed, the rotation direction, and whether the motor unit 320 is operated, and through this, it is possible to control the moving speed, the moving direction, and the stop during movement and the movement after the stop of the moving rail 210 . Accordingly, the driving unit 300 controls the rotation and rotation direction of the driving gear 312 through motor control by the motor control unit, and the movement of the moving rail 210 may be controlled by the rotation of the driving gear 312 . have.

On the other hand, when the moving part 200 is composed of a moving wire (not shown) instead of the moving rail 210 , the driving unit 300 will be described.

In this case, although not shown, the driving unit 300 includes a winding roller on which a moving wire is wound, a motor unit that is shaft-coupled with the winding roller and rotates the winding roller according to a driving signal, and the rotation speed, rotation direction, and operation of the motor unit. It may be configured to include a driving control unit for controlling the movement speed, movement direction, and stop during movement and movement after the stop of the moving wire by controlling it. Accordingly, the driving unit 300 may control the rotation and rotation direction of the winding roller through motor control by the driving control unit, and the movement of the moving wire may be controlled by the rotation of the winding roller.

In this way, the driving unit 300 is capable of various embodiments with respect to the configuration of the moving unit 200, and various operations of the moving unit 200, such as the moving direction, moving speed, and stopping during movement and moving after stopping, of the moving unit 200 It is controllable, and is configured to induce random movement of the speaker unit 400 coupled to the moving unit 200 through this.

Hereinafter, the speaker unit 400 will be described.

The speaker unit 400 may be configured to output an ultrasonic signal of a frequency band disliked by harmful tides to combat harmful tides or to modulate and output a warning sound to an ultrasonic signal so as to warn people. In detail, the speaker unit 400 may include a speaker module and a mode control unit.

First, the speaker module is configured to include an ultrasonic speaker capable of outputting an input audio signal that harmful tides do not like, or outputting an ultrasonic signal in which an audible signal is modulated so that people can hear it, or an audible signal It may be configured to include a general speaker that outputs

Here, the speaker module includes a modulator for modulating an audio signal input to the ultrasonic speaker into an ultrasonic signal or an audible signal modulated ultrasonic signal, an amplifier for amplifying the modulated signal, and a transformer for outputting the amplified signal into the air. It may be configured to include a transducer. Here, the modulator may modulate the frequency band according to the type of harmful tide, etc. For example, in the case of a wild boar, it may modulate to a frequency band that wild boars do not like, and in the case of a mouse, it may modulate it to a frequency band that mice do not like. Meanwhile, since the configuration including the above-described modulator, amplifier and transducer corresponds to the configuration of a known ultrasonic modulation capable speaker device, a detailed description thereof will be omitted.

On the other hand, the speaker module may output only an ultrasonic signal alone or an ultrasonic signal in which an audible signal is modulated according to a control signal, or may output only an audible signal by providing a general speaker for the audible signal.

To this end, the mode control unit transmits a control signal to the speaker module and outputs an ultrasonic signal only according to a control condition, a speaker mode that outputs only an audible signal using a general speaker, and an ultrasonic signal and an audible signal at the same time Each can be controlled in integrated mode.

Here, the control condition may include an environmental condition in consideration of an environment in which people are rare, a time condition in consideration of day and night, etc. , various control is possible, such as controlling in ultrasonic mode at night.

Hereinafter, the coupling structure of the speaker unit 400 and the moving unit 200 and the movement of the speaker unit 400 accordingly will be described.

Referring to FIG. 3 , the speaker unit 400 is installed to be suspended from the moving unit 200 through the connecting means 500 . Here, since the speaker unit 400 is suspended from the moving unit 200, when the moving unit 200 moves in the forward and backward directions in this suspended state, it shakes in a non-pattern and performs random free rotation and positional movement.

The connection means 500 has one end fixedly coupled to the upper surface of the speaker unit 400 and the other end fixedly coupled to the moving unit 200 so that the speaker unit 400 can be installed while hanging from the moving unit 200 . . Such a connection means 500 can be any configuration in which the speaker unit 400 can be hung and shaken. Preferably, the speaker unit 400 shakes well to increase random movement characteristics, and the speaker unit It is preferable to apply the connecting wire 510 having a rigidity and durability that can support the 400 .

Here, the connection wire 510, when the moving part 200 is formed of a metal material, the other end may be fixedly coupled to the lower portion of the moving part 200 through welding, or the like, or the moving part 200 is welded. In the case of this difficult material, it may be configured to be connected and fixed while surrounding the moving part 200 .

The connection means 500 is provided with detachable rings at both ends to be detachably coupled to the hooking part (not shown) formed in the speaker unit 400 or to be removably coupled to the hooking part formed in the moving rail 210 . can Here, in the moving rail 210, a plurality of engaging portions are arranged to be spaced apart along the longitudinal direction, and the connecting means 500 is connected to any one of the engaging portions at a set position among the engaging portions of the moving rail 210 to connect the moving rail. It is possible to change the coupling position for (210).

The connecting means 500 may be configured to further include a weight 520 . The weight 520 induces random positional movement of the speaker unit 400 , and has a certain weight, so that the free rotation amount and the position movement amount of the speaker unit 400 can be increased.

The weight 520 may be positioned between the moving unit 200 and the speaker unit 400 and coupled to the connecting wire 510 as shown.

In the drawing, the weight 520 is located in the center between the moving unit 200 and the speaker unit 400 . However, this is an embodiment, and the position of the weight 520 may be varied in consideration of the movement of the speaker unit 400 , such as may be located close to the speaker unit 400 rather than the center.

The weight 520 has a through hole through which the connecting wire 510 is inserted therein, and its position can be adjusted by sliding along the connecting wire 510, and when the position is determined, it is fixed to the position fixing means. By this, its position with respect to the connecting wire 510 may be fixed.

Here, the position fixing means may include a welding part, and the weight 520 and the connecting wire 510 are welded to each other through the welding part to fix the position thereof. Alternatively, the position fixing means is slidably coupled to the lower connection wire 510 of the weight 520, and the position is fixed according to the user's operation so that the fixing pin restricts the movement of the weight 520. may be included.

4 is a view showing an embodiment in which the coupling structure of the weight 520 with respect to the connecting wire 510 is different.

Referring to FIG. 4 , the weight 520 may be coupled to have an eccentricity with respect to the connection wire 510 so as to further induce a patternless movement of the speaker unit 400 . In this case, the speaker module may further induce random, patternless movement due to the eccentric weight 520 when the moving unit 200 moves.

Meanwhile, although not shown, the connection means 500 may further include a spring unit capable of increasing the movement in the vertical direction when the speaker unit 400 is shaken.

The spring unit may be provided in the middle of the connection wire 510 or between the connection wire 510 and the speaker unit 400 to induce vertical movement of the speaker unit 400 when the moving unit 200 moves. The spring unit may apply a known coil spring, and may be installed on the connecting wire 510 around the weight 520 .

Furthermore, the connecting means 500 may be configured to further include a joint portion, one side coupled to the moving unit 200 and the other side coupled to the connecting wire 510 .

The joint part is free to rotate and move freely, so that when the moving part 200 is moved, the connection wire 510 freely moves with respect to the moving part 200, and the range of motion of the speaker 400 can be further expanded. have. For the joint part, a known universal joint or a ball-end-socket joint may be applied.

5 is a view showing an embodiment in which the moving rail 210 is formed in a closed loop shape and a plurality of speaker units 400 are provided in the harmful tidal wave control device of the present invention.

Referring to FIG. 5 , the posts 100 are installed to be successively spaced apart along the periphery of the harmful tidal repelling area, and the moving unit 200 is connected to each of the posts 100 to close the harmful tidal repelling area in a closed loop. It is installed to surround the shape.

In addition, a plurality of speaker units 400 may be installed, and the plurality of speaker units may be spaced apart from each other to face each other in the closed-loop moving unit 200, and the number and arrangement positions thereof are determined so that there is no blind spot in the harmful tidal wave control area. can be different

According to the above, in the harmful tidal repelling device of the present invention, the speaker unit 400 is installed so as to be shaken by hanging from the moving unit 200 through the connecting means 500, and a driving unit ( 300) to induce random free rotation and positional movement of the speaker unit 400, a perfect random radiation pattern can be obtained, thereby solving the problem of adaptation of harmful tides and improving the effect thereof.

And in the harmful tide eradication method of the present invention using such a harmful tide repelling device, the moving speed and the moving direction of the moving unit 200 so that the driving unit 300 can freely rotate and position the speaker 400 at random. , a step of stopping during movement and controlling the movement after stopping, an ultrasonic mode in which the speaker unit 400 outputs only an ultrasonic signal according to a control condition, a speaker mode in which only an audible signal is output, and an ultrasonic signal and an audible signal at the same time It may be configured including the step of controlling each in an integrated mode.

Although the present invention has been described with reference to the embodiment shown in the drawings, which is merely exemplary, those skilled in the art will understand that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

100: holding
200: moving part
210: moving rail
220: sliding part
300: drive unit
310: drive connection unit
311: rack gear
312: drive gear
320: motor unit
330: drive control unit
400: speaker unit
500: connection means
510: connecting wire
520: weight

Claims (9)

A plurality of props erected and installed to be spaced apart along the periphery of the harmful tidal eradication area;
a moving part connected to each of the posts and installed around the harmful tidal repelling area, connected to be reciprocally moved along the front and rear directions with respect to the posts;
a driving unit connected to the moving unit to move the moving unit; and
A speaker unit that is installed hanging from the moving unit through a connection means, performs random free rotation and position movement while shaking according to the forward and backward movement of the moving unit, and outputs a warning signal to combat harmful tides; including; Harmful tide repelling device using a directional speaker, characterized in that it is configured.
The method of claim 1,
The holding is
support frame,
and a height adjusting means coupled to the moving part and coupled to be reciprocally movable along the longitudinal direction of the support frame to adjust the height of the speaker part.
The method of claim 1,
The connecting means is
Harmful tide repelling device using a directional speaker, characterized in that it comprises a connection wire having one end fixedly coupled to the upper surface of the speaker unit and the other end fixedly coupled to the moving unit.
4. The method of claim 3,
The connecting means is
Harmful tide repelling device using a directional speaker, characterized in that it further comprises a weight coupled to the connection wire.
5. The method of claim 4,
The weight is
Harmful tide repelling device using a directional speaker, characterized in that coupled to have an eccentricity with respect to the connection wire.
The method of claim 1,
The moving part is configured to include a moving rail,
The driving unit,
a rack gear coupled to the moving rail; and a driving gear meshed with the rack gear to rotate in both directions; a drive connection unit;
a motor unit shaft-coupled with the driving gear and rotating the driving gear according to a driving signal;
It transmits a driving signal to the motor unit to control the rotation speed, rotation direction, and whether or not the motor unit is operated to include a driving control unit for controlling the moving speed and moving direction of the moving rail, stopping during movement and moving after stopping Harmful tide repelling device using a directional speaker.
The method of claim 1,
The moving part is configured to include a moving wire,
The driving unit,
a winding roller on which the moving wire is wound;
A motor unit shaft-coupled to the winding roller and rotating the winding roller in response to a driving signal;
Harmful tide using a directional speaker, characterized in that it comprises a driving control unit for controlling the movement speed, movement direction, stop during movement, and movement after stopping by controlling the rotation speed, rotation direction, and whether the motor unit is operated repelling device.
The method of claim 1,
The speaker unit,
A speaker module configured to output an audible signal that can be audible to an input audio signal and an ultrasonic signal obtained by ultrasonically modulating the audio signal;
A mode control unit for controlling the speaker module in an ultrasonic mode for outputting only the ultrasonic signal, a speaker mode for outputting only the audible signal, and an integrated mode for simultaneously outputting the ultrasonic signal and the audible signal according to a control condition by controlling the speaker module Harmful tide repelling device using a directional speaker, characterized in that it comprises a.
A plurality of props erected and installed to be spaced apart along the periphery of the harmful tidal eradication area; a moving part connected to each of the posts and installed around the harmful tidal repelling area, connected to be reciprocally moved along the front and rear directions with respect to the posts; a driving unit connected to the moving unit to move the moving unit forward and backward; and a speaker unit that is installed to be suspended from the moving unit through a connection means, performs random free rotation and position movement while shaking according to the forward and backward movement of the moving unit, and outputs a warning signal capable of combating harmful tides; Repel harmful tides using the harmful tide repelling device that includes
controlling the moving speed, the moving direction, and stopping during and after stopping of the moving unit so that the driving unit can perform random free rotation and positional movement of the speaker unit; and
Controlling each of an ultrasonic mode in which the speaker unit outputs only an ultrasonic signal according to a control condition, a speaker mode in which only an audible signal is output, and an integrated mode in which an ultrasonic signal and an audible signal are output simultaneously; How to get rid of tides.

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