JP2002017235A - Apparatus and method for preventing birds from coming flying - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for preventing birds from coming flying by electric shock actions of high-voltage pulses having sufficiently great preventing effects on coming flying of various species of birds at a relatively low pulsed voltage. SOLUTION: This apparatus for preventing the birds from coming flying is obtained by arranging plural respectively electrically insulated and independently protruding type high voltage electrodes and earth electrodes in sets of one or two alternately in a linear or a planar state on a base, respectively connecting the high-voltage electrodes and the earth electrodes in parallel with a high-voltage pulse generating source. The method for preventing the birds from coming flying comprises passing a high-voltage pulsed current to the apparatus and applying an electric shock to the birds. The shape of the protruding type high-voltage electrodes and earth electrodes is preferably a mushroom type, a hemispherical type, a semicylindrical type, a dice type, a trigonal pyramid type or a conical type. The interval between the electrodes is preferably 20-50 mm. The pulse voltage across the high-voltage electrodes and the earth electrodes is preferably 700-2,400 V.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing birds from flying to buildings, such as buildings, bridges, and steel towers, to prevent birds from flying to these buildings.

[0002]

2. Description of the Related Art Steel structures such as pylons, pedestrian bridges and bridges of high-voltage transmission lines, buildings such as station buildings, warehouses or houses, and various cultural properties such as temples, churches, towers, and the like are used in pigeons, crows, starlings, and rivers. It is widely seen that various birds such as cormorants fly and stop at these buildings or make nests to raise children. However, it has been a problem that birds fly to such a building and stop there, thereby polluting the surroundings by dropping feces, or damaging the building itself by feces. In addition, since many birds gather, noise such as crying has become a problem in addition to such feces.

In order to prevent birds such as crows and pigeons from flying and invading buildings, which have a harmful effect on human life, various methods have been tried in the past. For example, a bird imitation device designed to imitate the shape of a hawk or owl, which is a natural enemy of these birds, threaten using explosive sound or ultrasonic waves, or threaten with visual or auditory threats Various proposals have been made, and many have been commercialized, and have achieved a certain effect. However, these bird flying prevention devices are
The effect of preventing flying and its sustainability are insufficient, and those using explosive sounds have problems such as noise, and there is no satisfactory thing at present.

For example, Japanese Utility Model No. 3012207 discloses that two conductive wires are buried along both side edges of a strip-shaped insulating material, a part of the conductive wires is exposed, and a high voltage is applied to the conductive wires. A method of passing a pulse current and driving away a bird with an electric shock caused by the current is described. However, in this method, the bird will stop by grabbing the strip of insulation, because in this case the current will not pass near the heart in the center of the bird's torso, but only between the toes of one of the toes. It cannot give a big lightning effect. Also, the back side of the bird's toe has a large electric resistance, and a voltage of 10,000 volts or more is required to flow a large amount of current and obtain an effective electric shock effect.

JP-A-8-256666 discloses a method in which two conductors, a high-voltage conductor and a ground conductor, are provided in a groove formed of an insulator, and when the bird stops, the bird is driven away by an electric shock. Although described, this method does not provide a satisfactory effect as well as the above method.
In addition, a bar-shaped material with a triangular cross section is used, and a high-voltage conductor is attached in the longitudinal direction at the apex of the triangle,
There is also a bird flying prevention device with a structure in which earth electrodes are attached in the longitudinal direction at the positions at both ends of the bottom, but in this case also, the flow of current occurs between the toes of one of the toes, so the effect is of a practical degree. Can not be raised.

[0006]

As described above, all of the various devices and methods for preventing birds from flying, which have been conventionally proposed, have insufficient effects and sustainability, or cause problems such as noise. Was something. An object of the present invention is to improve such a conventional apparatus or method and to provide an apparatus for preventing birds from flying by the action of high-voltage pulses, which has a sufficiently large effect on birds from flying. It is assumed that.

[0007]

The inventor of the present invention has conducted intensive studies for this purpose, and as a result, found that the base of the base of the finger on the back side of the foot of a bird such as a pigeon or a crow (a part corresponding to the "palm" of a person). Has a very small electric resistance, and if the electrode is in contact with this part, it can pass a large current with a relatively small voltage, and if the current flows over both feet of the bird, it will give a large shock action The inventors have found that the present invention can be performed, and completed the present invention based on these findings.

That is, according to the present invention, a plurality of electrically insulated, independent, high-voltage electrodes having a convex shape and a ground electrode are alternately formed on the base as one or two sets. This is a birds flying prevention device in which the high voltage electrodes and the ground electrodes are arranged in a linear or planar shape, and these high voltage electrodes and ground electrodes are connected in parallel by a conductive member for connecting to a high voltage pulse generation source.

Further, according to the present invention, there are provided a plurality of electrically insulated and independent, high voltage electrodes having a convex shape and a ground electrode, which are alternately formed as one or two sets on a base. It is characterized by applying a high-voltage pulse current from a high-voltage pulse source between these high-voltage electrodes and a ground electrode, and applying an electric shock to birds stopping at the electrodes. This is a method for preventing birds from flying.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings. FIG. 1 is connected to a high voltage pulse source 20;
FIG. 2 is a partial perspective view of an embodiment of the bird flight prevention device 1 of the present invention, and FIG. 2 is an exploded perspective view thereof. The plurality of high-voltage electrodes 2, 2 ′ and the plurality of ground electrodes 3, 3 ′ are alternately attached to the base 4 in a state of being electrically insulated,
The plurality of high-voltage electrodes 2 and 2 ′ and the plurality of ground electrodes 3 and 3 ′ are connected in parallel to a high-voltage pulse source 20 via a high-voltage conductor 9 and a ground conductor 10. The high-voltage electrodes 2 and 2 'and the ground electrodes 3 and 3' are portions where the bird catches here and stops, but the convex portions of the bird's feet are upwardly convex so that they come into contact with these electrodes. It must be shaped. Specifically, shapes such as a mushroom type, a hemispherical type, a kamaboko type, a dice type, a conical type, and a triangular pyramid type in which the center of the electrode is high are preferable. FIG. 3 is a cross-sectional view of a hemispherical electrode part used in the present invention.

The distance between the electrodes 2 and 2 'and the distance between the electrodes 2' and 3 are determined by the size of the bird that stops here. When a bird stops with both feet on the high voltage electrode and the ground electrode, a large electric shock occurs when a high voltage pulse is passed because current flows from one foot through the vicinity of the torso heart to the other foot . Therefore, the spacing between the electrodes is preferably such that the bird stops over the two electrodes. On the other hand, the distance between the legs of the crow and the pigeon, which are medium-sized birds, is about 80 mm and about 50 mm, respectively. In the case of small birds such as bulbuls and starlings, the distance between the feet is about 30 mm. Therefore, it must be effective for all such birds of various sizes. From such a viewpoint, the distance between the electrodes 2 and 2 ′ and the distance between the electrodes 2 and 3 are preferably 20 to 50 mm, more preferably 25 to 35 mm. At such intervals, medium-sized birds such as crows and pigeons will stop at every other electrode,
For example, one foot is put on each of the electrodes 2 and 3 to stop, and a current always flows from the high-voltage electrode of one foot to the ground electrode of the other foot, so that a large electric shock can be given. In addition, small birds such as bulbuls and starlings will stop by placing one foot on each of the adjacent electrodes. For example, when stopping with one foot on each of the electrodes 2 and 2 ', both are high voltage electrodes. The electric current does not flow in the bird's body and no electric shock can be given. However, due to their habits, these small birds do not stay in one place for a long time without moving, but always move, so they move to another position, and move to other electrodes, for example, electrodes 2 'and 3, respectively. When one leg is stopped, a current flows through the body and a large electric shock can be given, and as a result, these birds can be driven away.

In the case of a mushroom-shaped or hemispherical-shaped electrode, the diameter of the electrode is determined from the size of the toes of these birds in consideration of the case where a crow or a pigeon stops as a medium-sized bird. 30 mm to 50 mm is preferable, and 35 mm to 40 mm
mm is more preferable, and the diameter of the electrode is 20 mm to 40 in consideration of the case where small birds such as starlings and bulbuls stop.
mm is more preferable, and 25 mm to 35 mm is most preferable. For a kamaboko type or dice type, the length of one side is 30
mm or less, preferably 5 mm or more, 20 mm or less,
mm or more is more preferable. Height is 50mm or less, 30m
m or more is preferable. In the conical or triangular pyramid shape, the length of one side is preferably 30 mm or less and 5 mm or more, and the inclination angle is preferably 45 degrees or more.

The gap between the electrodes is determined by the relationship between the distance between the electrodes and the size of the electrodes. It is preferable that the gap be as small as possible in order to prevent birds from stopping in the gap. The electrodes are arranged so as to have a gap of 5 mm to 20 mm, preferably 8 mm to 12 mm.

The birds flying prevention device of the present invention is often used outdoors and is exposed to the wind and rain.
Under such circumstances, it must be safe and effective. Therefore, the high-voltage electrode and the ground electrode of the present invention may have any shape such as a mushroom type, a hemispherical type, a kamaboko type, a dice type, a conical type, and a triangular pyramid type. A space between the bases 4 and the electrodes 2, 3 and so on to ensure proper insulation, and the space between them is connected and fixed via insulating sleeves 7, 8 in a so-called umbrella shape. It is necessary to have the structure. With such a structure, the raindrops hitting the electrode portion easily flow down without staying in the electrode, and the base and the electrode are not electrically connected.

The electrodes 2, 2 ', 3 and 3' can be used as long as they are conductive materials. For example, materials such as iron, steel, stainless steel, copper, aluminum and synthetic resin coated with a conductive paint, etc. Although any material can be used, generally, a plate-shaped material made of stainless steel or steel formed into the shape described above is used. Base 4 for mounting electrodes
Has a structure in which a high-voltage conductive member 11 and a ground conductive member 12 are incorporated in a state in which they are insulated from each other by an insulating plate 13. When they are attached to a long member such as a steel frame of a tower, one row of electrodes is provided. In the shape of an elongated rod. When the electrodes are mounted on a flat surface having a certain area, the electrodes can be formed in a flat plate shape in which the electrodes are arranged in a plane in a plurality of rows. The materials that make up the base are
Although a conductive material such as stainless steel or steel can be used, it is hard because it has sufficient strength, has excellent electrical insulation properties, and has no danger of corrosion when exposed to wind and rain. It is preferable to use a synthetic resin material such as vinyl chloride, polyethylene, and polystyrene.

Electrically insulating sleeves 7, 8 are provided between the electrodes 2, 2 ', 3, 3' and the base 4. Electrode 2,
2 ′, 3, 3 ′ are connected to a fixing device 14 such as a conductive bolt such as a metal, a set screw, a rivet through the sleeve.
The high voltage electrodes 2 and 2 'and the ground electrodes 3 and 3' are fixed to the base 4 by the
And the ground conductive member 12 are electrically insulated from each other by an insulating plate 13. This sleeve is made of soft PVC,
It is an electrically insulating material made of a synthetic resin such as polyethylene or polystyrene or rubber, and electrically insulates the electrodes and the fixture 14 from each other without directly contacting the base and other members. FIG. 4 shows an example in which such a pair of electrodes is attached to the high-voltage conductive member 11 and the ground conductive member 12 in a case where a partition 16 is provided inside the base cover 5 instead of the insulating plate 13. 2 is a partially exploded view of the base lid and the conductive member.

The bird flying prevention device of the present invention thus constructed is connected to a high voltage pulse generating source 20 through a high voltage wire 9 and a ground wire 10, and a bird is passed by passing a high voltage pulse through an electrode portion. Can be driven away.
High-voltage pulses that are effective in repelling birds generally have a pulse interval of 0.2 to 10 per second, regardless of the type of bird.
Times, preferably 0.5 to 2 times per second, and the energization time is 0.00002 seconds to 0.01 seconds, preferably 0.000 seconds.
1 second to 0.002 seconds. The current and voltage at the time of energization for giving an electric shock slightly differ depending on the type of bird. For example, the currents at which the crow and the pigeon show a repellent reaction are 2.2 to 3.2 mA and 0.5 to 1.3 m, respectively.
A, when the electrode contacts the sole of the sole of the foot with the lowest electric resistance, the minimum voltage required from each electric resistance value is 1150 V for a crow and 660 V for a pigeon. . Since small birds such as bulbuls and starlings have low resistance to the soles, a smaller voltage is sufficient. Therefore, if the purpose is to prevent birds smaller than pigeons from flying, about 7
When a pulse voltage of 00 V is applied to a crow, a pulse voltage of about 1200 V may be applied. Therefore, when the purpose is to prevent birds smaller than pigeons from flying, the pulse voltage is 700 V to 2300 V, preferably 700 V to 14 V.
When the voltage is 00 V and the purpose is to prevent birds smaller than the crow from flying, the pulse voltage is 1200 V to 4000 V, preferably 1200 V to 2500 V.

The value of these pulse voltages is significantly lower than the pulse voltage required in the case of the birds flying prevention apparatus using the conventional high voltage pulse method, which was 7000 V to 9000 V. You can get rid of it effectively.

For the high voltage pulse, a commercially available high voltage pulse generator using a power supply of AC 100 V or 200 V can be used. In addition to this, a high-voltage pulse generator combined with a photovoltaic power generator is particularly useful when it is difficult to use a general AC power supply, such as when it is installed on a power transmission tower in the mountains. Such a high-voltage pulse generator may be connected to the bird flight prevention device of the present invention, and the pulse voltage, pulse period, etc. may be set according to the characteristics of the bird to be controlled. In addition, a battery, an engine-type generator, or the like can be used as a power source.

The birds flying prevention device of the present invention is used by attaching it to a place where birds stop and easily cause feces and other damage. For example, horizontal square steel (angle) for steel structures such as power transmission towers, bridges, pedestrian bridges, factories, warehouses, parking lots, advertising towers and station platforms, attics, etc.
Using a suitable fixture, fix it to a flat part of a steel frame member such as a horizontal part of a traffic light, a street light, a telephone pole, etc., a handrail of a veranda such as a house, an eaves, an outdoor unit of an air conditioner, etc. It is connected to a generator to generate high voltage pulses for use. FIG. 5 and FIG. 6 show an embodiment of a fixing method when the birds flying prevention device of the present invention is attached with such square steel.

Further, in the case of a steel frame or a bridge, a planar member having a certain area may be attached as a reinforcing material to a corner portion of a structure, and in such a place, a large number of birds stop and cause damage. Often. In such a place, as shown in FIG. 7, one or two sets of a high-voltage electrode and a ground electrode having the same shape as in FIG. It can be used by attaching the placed flat bird-flying prevention device.

[0022]

EXAMPLE For a crow and a pigeon, the electric resistance value between the two feet was measured between the finger portions of the right and left soles and between the lumps of the right and left soles. In the case of (1), the crow was 1000 MΩ or more, and in the pigeon, 200 MΩ or more. In the latter case, the crow had an average of 0.36 MΩ and the pigeon had an average of 0.51 MΩ. Therefore, if a voltage is applied so that the electrodes are in contact with the feet of both feet, it is possible to pass a sufficient current with a voltage of several hundredths to one-thousandths as compared with the case of the soles of the toes. I found it.

Next, the dimensions of the toes such as crows and pigeons are measured, and based on these findings, the structure is such that when the bird is stopped by the fingers, the feet on the soles contact. As shown in FIG. 3, the diameter of the umbrella is 40 m
A substantially hemispherical electrode having a height of 10 mm and a height of 10 mm was prepared.

On the other hand, when the distance between both feet of the crow, pigeon, bulbul, and starling was measured, the average value was 80 mm for the crow, 50 mm for the pigeon, 30 mm for the bulbul, and 25 mm for the starling. Based on these findings, the distance between the two electrodes was set to 25 mm so that these birds would stop over two or three electrodes. As shown in FIG. 1 and FIG.
The above-described substantially hemispherical electrodes are linearly mounted at intervals of 25 mm on a long box-shaped base 4 having a ground, a ground conductive member 12 and an insulating plate 13. The voltage conductive member 11 and the next two are connected to the ground conductive member 12, and thereafter the high voltage electrodes 2,
A total of 40 electrodes were attached so as to be 2 'and earth electrodes 3 and 3'. Each electrode is fixed to the base 4 by a fixture 14 inserted into an electrically insulating sleeve 7 or 8, and the fixture 14 is composed of the base 4 and the high-voltage conductive member 11 or the ground conductive member to be insulated. 12 is electrically insulated.

This bird flying prevention device is mounted on a flat part of one horizontal steel frame of a power transmission tower in which a cormorant is flying and feces are polluted, and this is mounted on a high voltage generator having a solar power generator. Connected to the device. A high voltage pulse was applied at a pulse voltage of 2400 V, a pulse interval of 1.2 seconds, and a conduction time of 0.0001 seconds, and observation was performed for 3 months in this state. Immediately after energization,
The river cormorant stopped flying, and the cormorant moved to another tower. 3
Even after a lapse of months, no cormorants were seen flying, and it was found that long-term use did not lead to habituation.

The same device was attached to a steel tower where fecal pollution caused by bulbuls was observed, and a high voltage pulse was applied at a pulse voltage of 2400 V, a pulse interval of 1.2 seconds, and an energization time of 0.00005 seconds, and observed in this state for 3 months. did. Also in this case, the arrival of the bulbul could be prevented, the effect was maintained, and the dung pollution and the like could be prevented.

[0027]

According to the bird flying prevention device of the present invention, the bird often stops by putting both feet on the high-voltage electrode and the ground electrode, and when the electrode is grasped, the electrode part is placed on the sole of the bird. With a structure that makes contact with the body of the bird, the current flows into the bird's body at a relatively low voltage, and the current passes near the heart inside the bird's body to put its feet on the high-voltage electrode and the earth electrode, respectively. Therefore, a sufficient electric shock can be given to the bird with a small current. Therefore, it is possible to sufficiently effectively prevent birds from flying at a lower voltage as compared with a conventional device for preventing flying due to electric shock.

[Brief description of the drawings]

FIG. 1 is a partial perspective view of the bird protection device of the present invention connected to a high voltage pulse source.

FIG. 2 is an exploded partial perspective view of the birds prevention apparatus of the present invention shown in FIG. 1;

FIG. 3 is a sectional view of one electrode.

FIG. 4 is an exploded partial perspective view of a base upper cover and a conductive member in one embodiment in which two electrodes are connected to a high-voltage electrode and a ground electrode in pairs.

FIG. 5 is a partial perspective view showing an example of attachment to square steel.

FIG. 6 is a partial perspective view showing an example of attachment to square steel.

FIG. 7 is a partial perspective view of the birds prevention apparatus of the present invention in which electrodes are arranged in a plane.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bird prevention device 2 High voltage electrode 3 Ground electrode 4 Base 5 Base lid 6 Base bottom plate 7 High voltage electrode sleeve 8 Ground electrode sleeve 9 High voltage electrode conductor 10 Earth electrode conductor 11 High voltage conductive member 12 Earth conductive Member 13 Insulating plate 14 Fixture 15 Side plate 16 Partition wall 20 High voltage pulse generator

Claims (7)

[Claims] 1. A plurality of high-voltage electrodes and ground electrodes, each of which is electrically insulated and independent and independent of each other, are alternately formed on a base in a linear or A bird flying prevention device in which the high-voltage electrodes and the ground electrodes are arranged in a plane and connected in parallel by a conductive member for connecting to a high-voltage pulse generating source in parallel. 2. The bird flying prevention device according to claim 1, wherein the shape of the high-voltage electrode and the ground electrode is any one of a mushroom type, a hemispherical type, a kamaboko type, a dice type, a triangular pyramid type, and a conical type. 3. The bird flying prevention device according to claim 1, wherein an interval between the electrodes is 20 mm to 50 mm. 4. The method according to claim 1, wherein the two electrodes are arranged as a set and are alternately arranged as a high-voltage electrode and a ground electrode on the base in a linear or planar manner. Bird flying prevention device. 5. A plurality of high-voltage electrodes and ground electrodes each of which is electrically insulated and independent, and has a convex shape, are linearly or alternately formed on a base as one or two sets. A bird flying prevention method comprising: arranging in a plane, applying a high-voltage pulse current from a high-voltage pulse generator between these high-voltage electrodes and a ground electrode, and applying an electric shock to birds that stop at the electrodes. . 6. The method according to claim 5, wherein the pulse voltage between the high-voltage electrode and the ground electrode is 700 volts to 2400 volts. 7. The pulse current pulse interval is 0.2 to 10 times per second, and the energization time is 0.00002 seconds to 0.1 second.
7. The method for preventing birds from flying according to claim 5, wherein the time is 01 seconds.