WO2021107591A1

WO2021107591A1 - Ultrasonic pest repeller

Info

Publication number: WO2021107591A1
Application number: PCT/KR2020/016803
Authority: WO
Inventors: 김석태
Original assignee: 김석태
Priority date: 2019-11-29
Filing date: 2020-11-25
Publication date: 2021-06-03
Also published as: KR20210067624A; KR102459674B1

Abstract

The present invention provides an ultrasonic pest repeller. An ultrasonic pest repeller according to the present invention comprises: a body part (10) in which an ultrasonic wave generating circuit device is contained; a head part (12) connected to the body part (10), the head part (12) having a triangular expanded case (14) and having a trough (42) formed on the open side thereof; an enclosure assembly (40) contained in the expanded case (14) of the head part (12), the enclosure assembly (40) having multiple conical enclosures (36) integrally disposed on a triangular frame (38) at an identical interval, each conical enclosure (36) having an annular recessed ledge (44) formed on a trough thereof; multiple speaker horn assemblies (16) disposed in conical inner spaces of the enclosures (36), respectively, each speaker horn assembly (16) having a fixed annular body (28) on a peripheral edge thereof; a cover (46) fixed onto the expanded case (14) of the head part (12), the cover (46) having circular openings (48) formed in positions corresponding to the speaker horn assemblies (16); and packing rings (58) made of an elastic material and inserted between the fixed annular bodies (28) of respective speaker horn assemblies (16) and the cover (46).

Description

[Amended by Rule 26 04.12.2020]　Ultrasonic pest control

The present invention relates to an ultrasonic pest exterminator that outputs ultrasonic waves to control the growth of harmful fungi such as rats, birds, or other pests classified as harmful animals or to suppress the growth of harmful fungi. It relates to an ultrasonic pest repellent that protects a speaker horn from vibration accompanying the generation of ultrasonic waves at the same time and installs a plurality of speaker horns to sequentially drive them to greatly extend the service life.

Conventionally, an ultrasonic generator using a piezoelectric element has been known as an insect repellent for repelling rats, birds, or other pests.

In a general ultrasonic generator, a frequency of 17-19 kHz or a frequency of 20 kHz or higher is generally used as an ultrasonic wave used to exterminate harmful animals, for example, depending on the type of pest to be exterminated, and the actual ultrasonic output is This is done by the speaker horn. As related prior art published, Patent Publication No. 10-2008-0099599 (published on Nov. 13, 2008), Patent Publication No. 10-1133506 (published on Mar. 29, 2012), and Patent Publication No. 10-2015-0007796 (published on Mar. 29, 2015) .21 publication), and Korean Patent Publication No. 10-2016-0126382 (published on November 2, 2016).

However, in particular, in the case of an ultrasonic generator that generates high-power ultrasonic waves in order to widen the area affected by ultrasonic waves, the speaker horn is damaged by the increased vibration impact, and thus the service life is shortened. In consideration of this point, when the speaker horn is fixed to withstand the vibrational shock of ultrasonic waves, the ultrasonic generation efficiency of the speaker horn may be reduced. In addition, when a single speaker horn is used continuously for a long time, mechanical fatigue due to vibration is induced, thereby shortening the service life of the speaker horn.

In the present invention, it was invented in consideration of the problems of the prior art. At the same time, the speaker horn that generates ultrasonic waves efficiently generates ultrasonic waves, and at the same time protects the speaker horn from vibration accompanying ultrasonic generation, installs a plurality of speaker horns and drives them sequentially. An object of the present invention is to provide an ultrasonic pest repellent that can greatly extend the lifespan.

To this end, in the present invention, there is provided an ultrasonic pest repellent for exterminating pests by generating ultrasonic waves, and the ultrasonic pest repellent of the present invention includes the following elements:-

- the body part in which the ultrasonic generating circuit device is built;

- a head part with one side connected to the main body part and the other side being open and composed of an enlarged case having an internal accommodation space;

- an enclosure assembly which is integrally coupled to one frame at equal intervals and has one side open and has an internal accommodating space, and is accommodated in the internal accommodating space of the enlarged case of the head portion;

- A piezoelectric disk generating ultrasonic waves, a horn body connected to one end of the piezoelectric disk and propagating the generated ultrasonic waves, and a plurality of arc-shaped suspensions arranged concentrically around the periphery of the horn body and spaced apart from each other a plurality of speaker horn assemblies each comprising a fixed annular body connected to the periphery of the horn body, wherein the piezoelectric disk and the horn body are suspended and accommodated in the inner accommodating space of the enclosure through the suspension and the fixed annular body; and

- It has a plurality of openings respectively formed to correspond to the speaker horn assemblies, and is fixed to cover the plurality of speaker horn assemblies, and an elastic packing ring is interposed between the fixed annular body of each speaker horn assembly. cover.

Also, optionally, the plurality of speaker horn assemblies may be sequentially driven to alternately generate ultrasonic waves only for a predetermined duration.

Also, optionally, the material of the horn body may be titanium.

Also, optionally, at least one material of the fixed annular body and the suspension may be titanium.

In addition, optionally, the inner accommodating space of the enclosure may include an annular concave ridge in the bent portion, and the fixed annular body may be seated on the annular convex ridge so that the speaker horn assembly is accommodated in the inner accommodating space of the enclosure.

The present invention provides effective ultrasonic generation of a speaker horn that generates ultrasonic waves, and at the same time protects the speaker horn from vibration accompanying ultrasonic generation, and installs a plurality of speaker horns to sequentially drive them to greatly extend the service life of ultrasonic pests is to provide

1 is a perspective view showing an ultrasonic pest repellent according to the present invention.

2 is an exploded perspective view showing a part of the ultrasonic pest repellent according to the present invention, and only one speaker horn, which is a component of the present invention, is shown in order to simplify the drawing.

3 is a perspective view of a speaker horn according to the present invention.

4 and 5 are cross-sectional views each showing that a piezoelectric disk for generating ultrasonic waves is coupled to the speaker horn of the present invention.

6 is a partial cross-sectional view of the present invention.

FIG. 7 is an enlarged view of the circle part VII of FIG. 6 .

Hereinafter, an ultrasonic insect repellent according to the present invention will be described with reference to FIGS. 1 to 7 .

First, the ultrasonic pest repellent according to the present invention has a built-in conventional ultrasonic generating circuit device (not shown) and propagates the ultrasonic waves around the main body portion 10 that can be disposed in the facility of the installation place of this ultrasonic pest repellent. It is composed of a head portion (12) to enable.

The head portion 12 is composed of a substantially triangular enlarged case 14 connected to the body portion 10 , and three speaker horn assemblies 16 are built in a triangular arrangement in the enlarged case 14 . The geometric structure of the enlarged case 14 is a roughly triangular structure in which the corners are curved in an arc shape when viewed in a plan view. The term "triangle" used hereinafter in this specification means an approximate triangle in which the corners are curved in an arc shape as described above.

The speaker horn assembly 16 has a conical shape expanded to have directivity through which ultrasonic waves can propagate to the outside, and is composed of a horn body 20 in which a through hole 18 is formed at the apex of the conical shape. In one embodiment, the horn body 20 may be made of a titanium material. In addition, in the through hole 18 of the horn body 20 , a support rod 22 , which may be made of an insulating epoxy resin as an embodiment, is fixed by, for example, thermal fusion, and extends to the outside of the horn body 20 . Several piezoelectric disks 24 capable of applying ultrasonic vibration to the horn body 20 are arranged at regular intervals and fixed to the supporting rod 22 (best shown in FIG. 4). And, these piezoelectric disks 24 are electrically connected to a conventional ultrasonic wave generating circuit device (not shown) built in the body portion 10 .

The conical horn body 20 of the speaker horn assembly 16 has a concentric fixed annular body 28 coupled to an enlarged periphery 26 . Between the periphery 26 and the fixed annular body 28, an arc-shaped suspension 30 is arranged at equal intervals, and these arc-shaped suspensions 30 have a connection part 34 at one end of the horn body 20 at the periphery ( 26) and the connecting portion 34 of the other end is connected to the fixed annular body 28.

In practice, the conical horn body 20 of the speaker horn assembly 16 , the fixed annular body 28 and the arc-shaped suspension 30 having a connection 34 at the end can be integrally constructed, which are for example titanium It can be formed by punching using a press using a thin sheet of veneer as a material.

Such a speaker horn assembly 16 has a shape expanded to have a directivity through which ultrasonic waves can be propagated to the outside of the head portion 12, and the inner space is arranged in an enclosure 36 having a shape close to a conical shape. (14) is built in. To this end, the three enclosures 36 are integrally coupled by the triangular frame 38 so that the three speaker horn assemblies 16 can be built-in to constitute the enclosure assembly 40 . Then, the triangular frame 38 of the enclosure assembly 40 is seated in the opening 42 of the head portion 12 . In addition, in the triangular frame 38 , an annular concave jaw 44 is formed at the corner of each enclosure 36 . In one embodiment of the present invention, the enclosure assembly 40 may be made of a plastic material.

Also, when the speaker horn assembly 16 is housed in an enclosure 36, several arc-shaped suspensions 30 having a connection 34 with respect to the conical horn body 20 of the speaker horn assembly 16 The fixed annular body 28 integrally connected by the annular body 28 is seated on the annular concave jaw 44 of the enclosure 36 .

In addition, a fixed annular body 28 integrally connected to the horn body 20 of the speaker horn assembly 16 by several arc-shaped suspensions 30 is seated on the annular concave jaw 44 of the enclosure 36 . When the speaker horn assembly 16 is built into the enclosure 36 in this state, a cover 46 for fixing the speaker horn assembly 16 is placed on the enlarged case 14 constituting the head portion 12 . is fixed

Here, the cover 46 has a shape that can cover the head portion 12, for example, has a triangular shape, and has, for example, three circular openings 48 corresponding to the position where the speaker horn assembly 16 is disposed for propagation of ultrasonic waves. ) is formed, and an annular grill 50 for protection of the speaker horn assembly 16 is disposed in the circular opening 48 in a state of being integrally connected to the cover 46 through the support 52 . In one embodiment of the present invention, the cover 46 may be made of a plastic material. The radius of the circular opening 48 is equal to the radius of the inner circumferential surface of the fixed annular body 28 configured in the speaker horn assembly 16 .

In addition, the cover 46 is screw fixed to the post 54 formed in the enlarged case 14 of the head part 12 through the triangular frame 38 of the cover 46 and the enclosure assembly 40 by helical coupling. (56) is fixed.

And, when the cover 46 is bonded and coupled on the triangular frame 38 of the enclosure assembly 40 , it is disposed on the annular concave ridge 44 of the enclosure 36 integrally coupled to the triangular frame 38 . Inserting a packing ring 58 made of an elastic material on the fixed annular body 28 of the speaker horn assembly 16 made of a speaker horn assembly 16 to be packed between the inner surface of the cover 46 and the fixed annular body 28 of the speaker horn assembly 16 It is made to be buffered by the ring (58). The speaker horn assembly 16 vibrates due to the generation of ultrasonic waves, and this vibration is transmitted to the fixed annular body 28 through the arc-shaped suspension 30 so that the fixed annular body 28 vibrates in the packing ring 58 . It can be prevented from generating noise due to the vibration of the fixed annular body 28 .

The operation and effect of the ultrasonic pest repellent according to the present invention configured as above are as follows.

Among the components of the ultrasonic pest repellent of the present invention, three speaker horn assemblies 16 may be arranged in a triangular arrangement structure on the head portion 12 . These three speaker horn assemblies 16 are designed so that the drive for generating ultrasonic waves can be sequentially performed for a certain duration, for example, for a duration of 10 to 20 seconds, or for a duration that can vary depending on the object to be combated. can As described above, driving the three speaker horn assemblies 16 for a certain duration is to prevent the accumulation of mechanical fatigue due to the vibration caused by ultrasonic waves of these speaker horn assemblies 16 and shortening the service life. will be.

When three such speaker horn assemblies 16 are arranged in a triangular arrangement on the head portion 12, they are arranged one by one in the used enclosure 36 in consideration of the directivity of each of the ultrasonic waves. The enclosure 36 has a conical structure in which a generally conical speaker horn assembly 16 can be accommodated, and an enclosure as an independent component by a triangular frame 38 integrally connecting the vertices of each enclosure 36. It is composed of an aggregate 40 . The enclosure assembly 40 is arranged in the opening 42 of the triangular enlarged case 14 whose triangular frame 38 constitutes the head portion 12 .

Then, after the speaker horn assembly 16 is accommodated in each enclosure 36 of the enclosure assembly 40, a cover 46 having a circular opening 48 is covered, assembled and fixed. The cover 46 has a screw 56 inserted through the triangular frame 38 of the cover 46 and the enclosure assembly 40 to the post 54 formed in the enlarged case 14 of the head part 12. It is fixed by being screwed together.

In addition, the speaker horn assembly 16 has a conical shape that is expanded to have a directivity through which ultrasonic waves can be propagated to the outside, and a support rod 22 of an insulator is inserted and fixed into the through hole 18 formed at the apex of this cone shape, and the support rod Several piezoelectric disks 24 arranged at regular intervals on the 22 are operated by an ultrasonic driving signal transmitted from an ultrasonic wave generating circuit device built into the main body portion 10, so that the horn body of the speaker horn assembly 16 ( 20), the ultrasonic waves are propagated. When ultrasonic waves are generated and propagated from the horn body 20, the horn body 20 generates mechanical vibration due to the ultrasonic waves generated and propagated therefrom.

The vibration of the horn body 20 of the speaker horn assembly 16 is unavoidable for the propagation of ultrasonic waves, but when the horn body 20 is disposed in a surrounding structure, this vibration of the horn body 20 is maintained while the horn body 20 is disposed. The stable arrangement of (20) should be maintained.

To this end, the conical horn body 20 of the speaker horn assembly 16 is provided with a concentric fixed annular body 28 coupled through an arc-shaped suspension 30 arranged at equal intervals on the enlarged periphery 26 of the enclosure. The conical horn body 20 of the speaker horn assembly 16 is placed in the enclosure 36 by being disposed on the annular concave ridge 44 formed at the mouth of the 36 and the cover 46 is in close contact with the interposition of the packing ring 58 . placed in a suspended state.

In the arc-shaped suspension 30, the connecting portion 34 of one end is connected to the periphery 26 of the horn body 20, and the connecting portion 34 of the other end is connected to the fixed annular body 28, so that the horn body 20 is The vibrations of are attenuated while passing through the arc-shaped suspension 30 and reaching the fixed annular body 28 . In addition, in a state in which the fixed annular body 28 is fixed between the annular concave jaw 44 and the cover 46 formed in the bend of the enclosure 36 under the interposition of the elastic packing ring 58, the fixed annular body ( 28), vibration is not transmitted to the enclosure assembly 40 or the head part 12, and noise due to vibration is not generated.

Above, the contents of the present invention described above will be various modifications, changes, additions, etc., within the spirit and scope of the present invention by anyone with ordinary knowledge in the relevant field, and such modifications, changes, additions, etc. are included in the claims. should be considered as belonging.

For example, in the present specification, the enlarged case 14 and the head portion 12 are illustrated and described as a triangle, and the speaker horn assembly 16 is illustrated and described as three, but the present invention is not limited thereto, and other The enlarged case 14 and the head portion 12 may be formed in any number of shapes (eg, rectangular, etc.). Also, in the present invention, the number of speaker horn assemblies 16 is not limited to the above three, but may be arbitrarily provided in one or a plurality of numbers. In addition, the arrangement of the speaker horn assembly 16 may be arbitrarily changed depending on the shape of the enlarged case 14 and the head portion 12 , and accordingly, the enclosure assembly 40 corresponding to the speaker horn assembly 16 . The number and arrangement of the openings 48 of the enclosure 36 and the cover 46 may also be arbitrarily changed.

Claims

a body part 10 having an ultrasonic wave generating circuit device built therein;

a head portion 12 having an enlarged case 14 having one side connected to the main body portion 10 and the opposite side open and having an inner accommodation space;

A plurality of enclosures 36 integrally coupled to each other at equal distances from each other at equal intervals in one frame 38 and having an inner accommodation space with one side open are provided, and the inside of the enlarged case 14 of the head portion 12 . an enclosure assembly 40 accommodated in the accommodating space;

A piezoelectric disk 24 for generating ultrasonic waves, a horn body 20 connected to one end of the piezoelectric disk 24 to propagate the generated ultrasonic waves, and a concentric circle near the periphery 26 of the horn body 20 . and a fixed annular body 28 connected to the periphery 26 of the horn body 20 through a plurality of arc-shaped suspensions 30 disposed on top and spaced apart from each other, the piezoelectric disk 24 and the horn The main body 20 includes a plurality of speaker horn assemblies 16 suspended and accommodated in the inner accommodation space of the enclosure 36 via the suspension 30 and the fixed annular body 28;

A fixing annular body having a plurality of openings 48 formed to respectively correspond to the speaker horn assemblies 16, and fixed to cover the plurality of speaker horn assemblies 16, respectively. 28) and an ultrasonic pest repellent, characterized in that it includes a cover 46 with an elastic packing ring 58 interposed therebetween.
According to claim 1,

The plurality of speaker horn assemblies (16) are sequentially driven to alternately generate ultrasonic waves only for a certain duration.
According to claim 1,

The material of the horn body 20 is an ultrasonic pest repellent, characterized in that titanium.
According to claim 1,

At least one material of the fixed annular body 28 and the suspension 30 is an ultrasonic pest repellent, characterized in that titanium.
According to claim 1,

The inner receiving space of the enclosure 36 includes an annular concave ridge 44 at a bent portion, and the fixed annular body 28 is seated on the annular concave ridge 44 so that the speaker horn assembly 16 is connected to the enclosure. (36) Ultrasonic pest repellent, characterized in that it is accommodated in the inner accommodation space.