Rat extermination device

Abstract

To provide a rat extermination device.SOLUTION: The rat extermination device comprises: a laser light source which emits a green laser beam; a conversion part which converts the laser beam to a pattern with a spatial expansion and radiates it; a sensor which detects an object in an irradiation direction; and a control part which controls the laser light source based on a detection result of the sensor. The conversion part may comprise a transmission type diffuser for converting the laser beam to the pattern by diffusing the laser beam. The pattern may comprise a plurality of bright points expanding two-dimensionally and discretely on a plane orthogonal to the irradiation direction.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a rodent control device. [Background technology]

[0002] Patent Document 1 discloses "a green light mouse extermination device that deceives and exterminates mice by emitting ultrasonic waves or special light." Patent Document 2 discloses "an economical vermin / bird repellent that can be used for a long period of time by detecting vermin / birds with a sensor and turning off a laser beam from a laser device after a set period of time." [Prior art document] [Patent documents] [Patent Document 1] Utility Model Registration No. 3183955 [Patent Document 2] Utility Model Registration No. 3205752 Summary of the Invention [Means for solving the problem]

[0003] In a first aspect of the present invention, a rodent extermination device is provided, which includes a laser light source that emits a green laser beam, a conversion unit that converts the laser beam into a pattern having a spatial spread and irradiates the pattern, a sensor that detects an object in the irradiation direction, and a control unit that controls the laser light source based on the detection result of the sensor.

[0004] The conversion section may include a transmissive diffusion plate that converts the laser beam into the pattern by diffusing the laser beam.

[0005] The pattern may comprise a plurality of bright points that are discretely spread out two-dimensionally in a plane perpendicular to the irradiation direction.

[0006] The pattern may be such that the plurality of bright points are arranged radially on the surface.

[0007] The pattern may comprise a grid of bright lines in a plane perpendicular to the irradiation direction.

[0008] The control unit may perform control so as to emit the green laser beam for a predetermined time after the object is detected by the sensor.

[0009] The laser beam source may further include a rotating head that rotatably supports the laser light source and the conversion unit, and the control unit may control the rotation of the rotating head.

[0010] The above summary of the invention does not list all of the necessary features of the present invention. Also, subcombinations of these features may also be inventions. [Brief description of the drawings]

[0011] [Figure 1] 1 is a block diagram showing a schematic configuration of a rat-extermination device 100 according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a top view showing a schematic configuration of a laser beam 300 in this embodiment. [Diagram 3] 1 shows a first example of a pattern having spatial extent in this embodiment. [Figure 4] 13 shows a second example of a pattern having spatial extent in this embodiment. [Diagram 5] 13 shows a third example of a pattern having spatial extent in this embodiment. [Figure 6] FIG. 11 is a block diagram showing a schematic configuration of a rodent extermination device 100a according to another embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] The present invention will be described below through embodiments of the invention, but the following embodiments do not limit the scope of the invention according to the claims. Furthermore, not all of the combinations of features described in the embodiments are necessarily essential to the solution of the invention.

[0013] FIG. 1 is a block diagram showing a schematic configuration of a rat extermination device 100 in this embodiment. FIG. 2 is a top view showing a schematic configuration of a laser beam 300 in this embodiment. As shown in FIG. 1, the rat extermination device 100 in this embodiment includes a power source 11, a control unit 12, a pyroelectric sensor 13, a laser light source 14, a conversion unit 15, and a housing 16. The rat extermination device 100 is installed in a place where rats 200 occur, such as the attic of a building. The rat extermination device 100 may be installed in a place where other vermin, insects, or birds occur other than the rats 200.

[0014] As shown in FIG. 1, the power source 11, the control unit 12, the pyroelectric sensor 13, the laser light source 14, and the conversion unit 15 are housed in the housing 16 of the rat extermination device 100. The housing 16 is, for example, a handy box measuring several centimeters square. As shown in FIG. 2, the green laser beam 300 emitted from the rat extermination device 100 is irradiated to the target rat 200 while spreading radially. The radiation angle at this time is preferably 40 degrees or more. As a result, by moving 2 m away from the rat extermination device 100, a radiation area of ​​2 m or more can be obtained, and the extermination efficiency is greatly improved. The figure shows an xyz coordinate system.

[0015] The pyroelectric sensor 13 detects the presence or absence of a mouse 200 in the vicinity of the location where the mouse extermination device 100 is installed. The pyroelectric sensor 13 is, for example, an infrared sensor that detects heat generated from an object as infrared rays and captures a heat source. The pyroelectric sensor 13 has its detection signal electrically connected to an input terminal of the control unit 12. When the pyroelectric sensor 13 detects a mouse 200, the detection signal is transmitted to the control unit 12. In this embodiment, the pyroelectric sensor 13 detects the presence or absence of a mouse 200 on the front side of the mouse extermination device 100. The front side of the mouse extermination device 100 is the side from which the laser light source 14 emits the laser beam 300, and is the +x direction side in FIG. 1 and FIG. 2. Note that instead of the pyroelectric sensor 13, a configuration may be adopted in which the mouse 200 is detected by analyzing an image obtained from a camera. Also, instead of the pyroelectric sensor 13, another sensor capable of detecting an animal may be adopted.

[0016] The laser light source 14 emits a green laser beam 300 toward the front side of the mouse extermination device 100. In this embodiment, the laser light source 14 is configured to emit a green laser beam because green light has a higher mouse extermination effect than light of other colors. In addition, when a red laser beam was used in an experiment, no intimidating effect on the mouse 200 was observed. This is because red appears black and white to the eyes of the mouse 200 and does not feel fear. In addition, the green laser beam was more effective in changing the behavior of the mouse 200 than light of other colors. The laser light source 14 emits a laser beam 300 with a wavelength of 532 nm, which is green light. The laser light source 14 generates a laser beam with a wavelength of 1064 nm, which is the fundamental wavelength, using, for example, a semiconductor laser or a solid-state laser, and converts the laser beam to a wavelength of 532 nm, which is half the wavelength, by passing it through a nonlinear crystal, and emits it. A green laser beam 300 with a wavelength of 532 nm emitted from a laser light source 14 is incident on a conversion section 15 .

[0017] The conversion unit 15 converts the green laser beam 300 incident from the laser light source 14 into a pattern having a spatial spread and irradiates the target object. This pattern may include a plurality of bright points that spread two-dimensionally and discretely in a yz plane perpendicular to the irradiation direction (x direction). In this embodiment, the conversion unit 15 includes a transmission type diffusion plate that converts the green laser beam 300 into a pattern having a spatial spread by diffusing the green laser beam 300. The transmission type diffusion plate may be, for example, an acrylic diffusion plate in which a diffusion agent is added to an acrylic resin having high transparency, or a glass diffusion plate in which a fine unevenness is processed on the surface of a glass plate to realize diffusion of transmitted light by refraction. When an acrylic diffusion plate is used as the conversion unit 15, the laser beam 300 can be diffused in a random pattern.

[0018] In another embodiment, the conversion unit 15 may include a beam shaper such as a diffraction grating or homogenizer, which may convert the beam shape of the laser beam 300 into a circle, a rectangle, a line, an ellipse, a rectangle, or the like. These circles, rectangles, lines, ellipses, and rectangles are examples of patterns with spatial expansion, and these patterns may form hollow patterns or solid patterns. The conversion unit 15 may also include a laser marking device. The laser marking device may convert the beam shape of the laser beam 300 into a horizontal line or a vertical line and irradiate the target object.

[0019] The control unit 12 controls the laser light source 14 to emit a green laser beam 300 for a predetermined time after the mouse 200 is detected by the pyroelectric sensor 13. The predetermined time is preferably about 5 to 10 minutes, and the control unit 10 automatically stops the laser emission from the laser light source 14 after any time within the range of 5 to 10 minutes has elapsed. This laser emission time may be appropriately set to a time when the mouse does not return depending on the type and number of the mouse 200, or may be appropriately set depending on the type of harmful animal or bird other than the mouse 200. The control unit 12 may adjust the emission time, emission intensity, etc. of the laser light source 14 depending on the time of day or night, or the brightness of the environment in which the mouse extermination device 100 is installed. The control unit 12 may also control the green laser beam 300 to blink.

[0020] The control unit 12, the pyroelectric sensor 13, and the laser light source 14 are supplied with power from a power source 11. The power source 11 may be, for example, a dry cell. Instead of a dry cell, the rodent extermination device 100 may be connected to an outlet in a building via a power plug to obtain power from the outlet.

[0021] FIG. 3 shows a first example of a pattern having a spatial spread in this embodiment. As shown in FIG. 3, the pattern of the first example has a plurality of bright spots 101 two-dimensionally spread in the yz plane perpendicular to the irradiation direction of the green laser beam 300. In addition, the pattern of this first example is generated by configuring the conversion unit 15 as, for example, a glass diffusion plate. By making the pattern of the green laser beam 300 into the shape shown in FIG. 3, the laser beam 300 is irradiated over a wide area, increasing the probability that the plurality of bright spots 101 will hit the eyes of the mouse 200, and the strong light exerts a threatening effect. In addition, it is not necessary to irradiate the laser beam 300 to a pinpoint location where the mouse 200 is located. Alternatively, a pattern in which a plurality of bright spots 101 are two-dimensionally spread in the yz plane may be a radial pattern in which a row of bright spots is lined up from the center to the outside and spreads around the center. Alternatively, a pattern in which a plurality of bright spots 101 are two-dimensionally spread in the yz plane may be a square or rectangular lattice point pattern.

[0022] FIG. 4 shows a second example of a pattern having a spatial spread in this embodiment. As shown in FIG. 4, the pattern of the second example has a plurality of bright lines in a yz plane perpendicular to the irradiation direction of the green laser beam 300. In particular, the example of FIG. 4 has a lattice-shaped bright line 102. The pattern of this second example is generated by configuring the conversion unit 15 as, for example, a laser marking device. By forming the pattern of the green laser beam 300 in the shape shown in FIG. 4, it is no longer necessary to pinpoint the laser beam 300 at the location where the mouse 200 is present, and the mouse 200 can be intimidated over a wide area, thereby achieving a mouse extermination effect.

[0023] FIG. 5 shows a third example of a pattern having a spatial spread in this embodiment. As shown in FIG. 5, the pattern of the third example has a plurality of concentric bright lines 103 in a yz plane perpendicular to the irradiation direction of the green laser beam. The pattern of this third example is generated by configuring the conversion unit 15 as a beam shaper such as a diffraction grating or homogenizer. By forming the pattern of the green laser beam 300 into the shape shown in FIG. 5, it is no longer necessary to irradiate the laser beam 300 with pinpoint accuracy to the location where the mouse 200 is present, and the mouse 200 can be scared off over a wide area, thereby achieving a mouse extermination effect.

[0024] 6 is a block diagram showing a schematic configuration of a rat extermination device 100a in another embodiment. In another embodiment, the rat extermination device 100a may further include a rotating head 17 that rotatably supports the laser light source 14 and the conversion unit 15. In this case, the control unit 12 may control the rotation of the rotating head 17 to scan the green laser beam 300 having a spatial spread irradiated to the rat 200 in the vertical and horizontal directions.

[0025] Although the present invention has been described above using the embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments. It is clear to those skilled in the art that various modifications and improvements can be made to the above embodiments. It is clear from the description of the claims that such modifications and improvements can also be included in the technical scope of the present invention.

[0026] It should be noted that the order of execution of each process, such as operations, procedures, steps, and stages, in the devices, systems, programs, and methods shown in the claims, specifications, and drawings is not specifically stated as "before" or "prior to," and that the process may be performed in any order unless the output of a previous process is used in a later process. Even if the operational flow in the claims, specifications, and drawings is described using "first," "next," and the like for convenience, this does not mean that the process must be performed in this order. [Explanation of symbols]

[0027] 11 power supply, 12 control unit, 13 pyroelectric sensor, 14 laser light source, 15 conversion unit, 16 housing, 17 rotating head, 100, 100a mouse extermination device, 101 bright spot, 102, 103 bright line, 200 mouse, 300 laser beam

Claims

1. A laser light source that emits a green laser beam; A conversion unit that converts the laser beam into a pattern having a spatial spread and irradiates the pattern; A sensor that detects an object in the direction of irradiation; A control unit that controls the laser light source based on a detection result of the sensor; A rat extermination device comprising:

2. The rodent extermination device according to claim 1 , wherein the conversion unit includes a transparent diffusion plate that converts the laser beam into the pattern by diffusing the laser beam.

3. 2. The rodent extermination device according to claim 1, wherein the pattern comprises a plurality of bright points that are discretely spread out two-dimensionally in a plane perpendicular to the irradiation direction.

4. 4. The rodent extermination device according to claim 3, wherein said pattern is a radial arrangement of said plurality of bright points on said surface.

5. The rodent extermination device of claim 1 , wherein the pattern comprises a lattice of bright lines on a plane perpendicular to the irradiation direction.

6. 2. The rat extermination device according to claim 1, wherein the control unit controls the sensor to emit the green laser beam for a predetermined period of time after the object is detected by the sensor.

7. The laser light source and the conversion unit are rotatably supported by a rotary head. The rat extermination device according to claim 1 , wherein the control unit controls the rotation of the rotary head.

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