JP2018027028A - Insect attracting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the problem in which an insect attracting device which attracts insects by electromagnetic waves by an LED cannot attract many insects because light becomes a collection of single colors, each color can be recognized, it does not look like natural light and an insect attracting effect is small, and to provide an insect attracting device with a large insect attracting effect.SOLUTION: An insect attracting device includes: at least one LED for ultraviolet light which radiates electromagnetic waves having 230-400 nm wavelength; at least one LED for visible light which radiates electromagnetic waves having 400 nm or more wavelength; and a reflection tool for reflecting the electromagnetic waves from those LEDs and radiates them to the outside of the device. The reflection tool reflects irregularly.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an insect attracting apparatus.

  The insect attracting device is used in an insect trap (including insecticide) device and the like, and attracts insects by radiating electromagnetic waves preferred by insects (mainly flying insects). As the sight of insects, electromagnetic waves in a wide wavelength range of 240 nm to 560 nm are sensed. Of these, 240 nm to 400 nm is an ultraviolet region, which is a range that cannot be perceived by humans.

  Thus, insects tend to be directed to objects that are radiated (including reflected) by the above-described detectable electromagnetic waves. In particular, it is easy to imagine going further toward the light (electromagnetic wave) where the same kind gathers for mating. Considering this, even electromagnetic waves have more preferred wavelengths. In other words, there is a highly sensitive electromagnetic wave region, and the preferred wavelength varies slightly depending on the type of insect.

  In addition, insects tend to prefer a mixture of various wavelengths as a whole rather than a specific wavelength of light being emitted separately. When only visible light is considered, the red and yellow lamps are lit separately, and the mixture of various wavelengths such as natural light is preferred. That's what it means.

Conventional fluorescent lamps and ultraviolet lamps have no problem because they irradiate electromagnetic waves with a relatively wide range of wavelengths. However, recently, LEDs (light-emitting diodes) are increasingly used as light-emitting sources due to cost and lifetime problems. This LED has a very narrow wavelength range of radiated electromagnetic waves, in other words, the waveform of radiated electromagnetic waves is sharp (in a radiation intensity graph with the horizontal axis as the wavelength and the vertical axis as the radiation level). . In general, the width is about 50 to 100 nm.
Therefore, an ultraviolet LED having a wavelength of 365 nm substantially irradiates only an electromagnetic wave having a wavelength of 330 to 380 nm (only 350 to 370 nm is often effective in terms of the intensity at which it can be used).

  Thus, since LED irradiates very narrow single light (or ultraviolet light), it does not feel like sunlight (natural light) for insects, and the attraction efficiency is very low.

  Further, the LED has a small electromagnetic wave irradiation angle (solid angle). Recently, it is said that it can irradiate a wide angle up to about 120 degrees considerably wide, but the intensity of electromagnetic waves is weak at the edge compared to the central portion, and it cannot be said that the entire region is irradiated at a wide angle. In this way, when the irradiation angle is small, the light sources can inevitably be discriminated separately, and it does not feel like natural light. Therefore, the insect attracting efficiency is deteriorated.

An apparatus for adjusting various colors using LEDs of three primary colors has also been devised (Patent Document 1). This is a collection of red light emission, green light emission, and blue light emission of a high-intensity LED housed in a polycarbonate cylinder.
However, this is intended only for visible light and is not considered for ultraviolet light.

JP 2004-201519 A

  Therefore, the present invention provides an insect attracting device that irradiates a wide range of electromagnetic waves including ultraviolet rays using an LED with a simple device.

  In view of the situation as described above, the present inventor has completed the present insect attracting apparatus as a result of earnest research, and the feature thereof is that at least one LED for ultraviolet rays that emits electromagnetic waves having a wavelength of 230 to 400 nm is used. , Having at least one LED for visible light that emits an electromagnetic wave having a wavelength of 400 nm or more, and having a reflector that reflects the electromagnetic wave from the LED and emits it to the outside of the apparatus, and the reflector reflects irregularly In the point.

  In the present invention, the insect attracting device is a device that gathers insects by emitting electromagnetic waves of a wavelength preferred by insects. The purpose of collecting is free. In order to keep insects away from places you don't want to go.

  An electromagnetic wave having a wavelength of 230 to 400 nm is an electromagnetic wave generally called ultraviolet light. In particular, around 365 nm is important, and many insects prefer electromagnetic waves in the vicinity. An electromagnetic wave having a wavelength of 400 nm or more is visible light and can be perceived by humans up to about 780 nm. There seems to be an insect that can perceive to that extent. Therefore, 400 nm or more here is basically 400 nm to 780 nm.

In the insect attracting apparatus of the present invention, at least one ultraviolet LED that radiates electromagnetic waves having a wavelength of 230 to 400 nm is sufficient, but in practice, a large number of LEDs are usually used. For example, the number is 20 to 100.
Moreover, you may use multiple types which are not the same thing and irradiate the ultraviolet-ray of a different wavelength. For example, a large number of both 230 nm LEDs and 365 nm LEDs are used.

  The same applies to LEDs for visible light having a wavelength of 400 nm or more, and at least one LED may be used. For example, the number is 20 to 100. Of course, they may be different from each other. For example, green and blue.

  An ordinary light source emits electromagnetic waves (light) with a wide range of wavelengths as mixed light, but an LED emits electromagnetic waves with a very narrow range of wavelengths. Thus, the LED determines which wavelength of electromagnetic wave the LED emits. The emission wavelength width is not constant, but is said to be about 20 to 100 nm. In the present invention, the term wavelength refers to the center wavelength at this time.

  In the insect attracting apparatus of the present invention, the arrangement and the number ratio of the LED for ultraviolet light and the LED for visible light are arbitrary. Visible light and ultraviolet rays may be arranged at random or according to a certain rule. Moreover, the ratio of the number of LEDs for ultraviolet light and LEDs for visible light varies depending on the insects. Moreover, since the output of the LED for ultraviolet rays may be weak (and vice versa), the number may be adjusted by taking them into account.

  Moreover, this invention LED may blink. For example, it is preferable to blink about 1 to 100 times per second. This is because there is a report that blinking attracts insects more strongly.

  A reflector reflects the electromagnetic waves from the above-mentioned LED, and the reflection is irregular reflection. Diffuse reflection is also called diffuse reflection, and it looks as if incident light is reflected at various angles. The opposite is specular reflection. Such irregular reflection usually occurs on the surface of a substance, and is irregular reflection except for a special surface such as a mirror surface or paint gloss. For example, it is a surface (white paint or the like) on which a general paint is applied.

  The apparatus of this invention mixes the electromagnetic waves from each LED using this irregularly reflecting reflector. Rather than mixing, reflected waves of the electromagnetic waves from the respective LEDs are radiated at various angles, so that they are mixed.

The mixed electromagnetic wave described above is emitted from the device of the present invention and attracts surrounding insects. Then, the attracted insect is captured by the device of the present invention itself or by a trapping device separate from the present invention. In the present invention, the above-mentioned attracting insect is the point, and the method for capturing the insect is not the point. Therefore, a conventional capture method may be used. For example, there are a method of fixing and catching a trapped insect with an adhesive, a method of sucking and catching with a fan, and the like.
Of course, a capturing device (including an insect capturing device) may be incorporated in the device of the present invention, or the device of the present invention and the capturing device may be combined.

  In the present invention, only the above-described reflected wave (mixed wave) goes out of the device, and the direct electromagnetic wave from the LED does not mean that it does not (substantially mathematically and absolutely). For example, it penetrates the device. Etc.) It may be prevented from going out of the apparatus. This is to prevent the monochromatic light from coming out of the device and to keep the insects from being wary.

  Moreover, you may apply | coat an adhesive to a reflector. For example, a transparent adhesive is applied to a reflector applied with a white paint. For insects, the reflector is an electromagnetic wave irradiation part, so it approaches. Therefore, it is preferable that it is an adhesion part. A transparent film may be attached to the reflector and an adhesive may be applied thereon.

  The surface treatment referred to in claim 4 refers to changing reflected light (including ultraviolet rays) by printing or painting on the surface. Normally, it is better to print different colors as will be described later.

That is, the reflector may be provided with portions having different colors. For example, a white and black checkered pattern is used. That is not a fine pattern, but a pattern with a side of about 1 cm to 10 cm is preferable. Alternatively, white and black stripes may be used.
It is said that when different color portions are provided in this way, insects are drawn at the boundary portions and the black portions are likely to stop. Of course, other colors may be used instead of white and black. Being distinguishable by color means that the reflection of visible light is different, but the reflection of ultraviolet rays may be different. This is because it is not understood by human eyes, but is understood by insects.

The insect attracting apparatus of the present invention has the following great advantages.
(1) Despite using LEDs, various mixed electromagnetic waves can be irradiated. Therefore, the insect attracting effect is high.
(2) Except for the LED, it is possible at least with a reflector alone and is inexpensive.
(3) The effect of attracting insects is large because it includes ultraviolet irradiation.

It is the schematic which shows the principle of this invention insect attracting apparatus. It is sectional drawing which shows an example of this invention insect attracting apparatus. It is a top view which shows an example of the reflector of this invention insect attracting apparatus.

EXAMPLES Hereinafter, although this invention is demonstrated in detail based on an Example, an Example is an example and this invention is not limited to this.
FIG. 1 shows the mixing principle of the present invention. FIG. 1 (a) is a part of a plan view of a large number of LEDs installed horizontally (only two LEDs). It is the schematic diagram irradiated with electromagnetic waves (here blue 2 and green 3) from two types of LED1, and the reflected wave from the reflector 4 is not described. As can be seen from (a), the electromagnetic waves from the LED 1 are not irradiated at a wide angle, but are irradiated at a very narrow solid angle (about 90 to 120 degrees). This makes it difficult to mix electromagnetic waves of different wavelengths.

  FIG. 1 (b) shows only the reflected wave of (a). When the blue 2 light is reflected, it is reflected at an angle 2a and irradiated at a wide angle. Since the reflector 4 is irregularly reflected in this way, the angle is wide. Similarly, the green 3 light is also irradiated at a wide angle 3a. As can be seen from (a), the incident light is not mixed at all, but the reflected light is mixed at an intersecting angle 5a.

  In this example, only two LEDs 1 are shown, but in actuality, they are mixed more complicatedly depending on the number of LEDs used, the distance from the LED to the reflector, and the like. Of course, the same applies to ultraviolet rays.

FIG. 2 is a sectional view showing an example of the insect attracting apparatus 6 of the present invention. A large number of LEDs 1 (the upper and lower two are visible in this figure, but there are a large number in the horizontal direction) are fixedly tilted. An electromagnetic wave is irradiated from the LED 1, diffusely reflected by the reflector 4, and irradiated outside the apparatus. The reflector 4 in this example is an aluminum matte plate and is curved as shown in the figure. For this reason, it is irradiated at a very wide angle (over a wide range). And since LED1 exists below, the direct wave from LED1 does not come out of an apparatus.
In this figure, the left side from the opening at the left end is outside the apparatus.
Of course, the reflector may be planar or a plurality of reflectors may be used.

  In this example, a plurality of types of LEDs for ultraviolet rays and LEDs for visible light are used, and each is randomly installed. Therefore, the mixed electromagnetic wave can be irradiated over a wide range.

  In the example of FIG. 2, a transparent film is pasted on the surface of the reflector 4, and an adhesive is applied to the surface. Therefore, when the insect is captured, the transparent film is peeled off and discarded.

  FIG. 3 is a front view showing an example of the reflector 4 of the present invention. The surface which reflects the electromagnetic waves from LED1 is shown. In this example, the checkerboard pattern is printed. As a result, the insect feels the boundary of light and may be pulled there. In addition, the black part is not irradiated with electromagnetic waves or very little, and it is considered that the black part stops to hide itself.

  Although this was tested for the effect of attracting various flying insects, a considerable effect was observed.

1 LED
2 Blue 2a Blue reflected wave angle 3 Green 3a Green reflected wave angle 4 Reflector 5a Reflection mixing angle 6 Device of the present invention

Claims (4)

At least one ultraviolet LED that emits electromagnetic waves with a wavelength of 230 to 400 nm and at least one LED for visible light that emits electromagnetic waves with a wavelength of 400 nm or more are reflected, and the electromagnetic waves from those LEDs are reflected and emitted outside the device. An insect attracting device comprising a reflector that performs irregular reflection. The insect attracting apparatus according to claim 1, wherein the electromagnetic wave from the LED does not reflect and does not substantially go out of the apparatus directly. The insect attracting apparatus according to claim 1 or 2, wherein the reflector is coated with an adhesive. The insect attracting apparatus according to any one of claims 1 to 3, wherein the reflector is subjected to a surface treatment so as to be divided into a plurality of ranges that reflect different wavelengths.

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