WO2020178940A1 - Unité optique pour collecteur d'insectes - Google Patents

Unité optique pour collecteur d'insectes Download PDF

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Publication number
WO2020178940A1
WO2020178940A1 PCT/JP2019/008368 JP2019008368W WO2020178940A1 WO 2020178940 A1 WO2020178940 A1 WO 2020178940A1 JP 2019008368 W JP2019008368 W JP 2019008368W WO 2020178940 A1 WO2020178940 A1 WO 2020178940A1
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WO
WIPO (PCT)
Prior art keywords
camera
light source
optical unit
insect
insect trap
Prior art date
Application number
PCT/JP2019/008368
Other languages
English (en)
Japanese (ja)
Inventor
脩 奥谷
智久 天田
由貴 足達
Original Assignee
株式会社Ｌｕｃｉ
アース環境サービス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社Ｌｕｃｉ, アース環境サービス株式会社 filed Critical 株式会社Ｌｕｃｉ
Priority to PCT/JP2019/008368 priority Critical patent/WO2020178940A1/fr
Publication of WO2020178940A1 publication Critical patent/WO2020178940A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/14—Catching by adhesive surfaces

Definitions

  • the present invention relates to an optical unit used for an insect trap that traps insects with an insect sheet.
  • Patent Document 1 discloses an insect trapping device that traps insects attracted by attracting light with an adhesive sheet.
  • the insect trapping device 20 has a box-shaped insect trap case 21 having an opening 21a on the front surface thereof, and inside the insect trap lamp 22, an adhesive sheet 23, and a plurality of sticker sheets 23.
  • a CCD camera 24 The insect attracting lamp 22 extends along the longitudinal direction of the insect trap case 21 and attracts insects by attracting light having a specific wavelength.
  • the adhesive sheet 23 attaches and captures insects attracted by the attracting light.
  • the plurality of CCD cameras 24 are arranged side by side in the longitudinal direction of the insect trap case 21 so as to face the adhesive sheet 23, and each captures a predetermined portion of the adhesive sheet 23 located immediately below.
  • the image data acquired by the CCD camera 24 is transmitted to an external device connected to the network, and the number and type of insects captured are analyzed.
  • an attracting light 22 is arranged on the back side of the CCD camera 24. Therefore, the intensity characteristics of the attracting light around the camera line of sight V of the CCD camera 24 are not uniform, and the light intensity in the depth direction is higher than in other directions.
  • the directional property (uneven distribution) of the attracting light based on the line of sight of the camera is not preferable when analyzing the distribution and the direction of insects captured from the captured image. Because even if the insects captured in a specific direction are unevenly distributed on the captured image, it may be due to the insects invading from a specific direction, or the attracting light may be biased toward a specific direction. This is because it is difficult to properly discriminate whether or not it comes from the fact that
  • an object of the present invention is to reduce the directivity of the attracted light around the line of sight of the camera in the optical unit for insect traps.
  • the present invention is used for an insect trap that traps insects by an insect sheet, and has an optical unit that has a camera and a first annular light source that emits first light that attracts insects.
  • the camera images the insect trapping sheet arranged on the line of sight of the camera.
  • the first annular light source extends annularly around the line of sight of the camera.
  • a second annular light source that emits second light having a wavelength characteristic different from that of the first light may be provided.
  • the second annular light source extends in an annular shape with a diameter larger than that of the first annular light source, with the camera viewpoint as the center.
  • the second light may be auxiliary light for camera imaging, or may be light that attracts an insect of a different type from the insect attracted by the first light.
  • a base member In the present invention, a base member, a camera module, and a light emitting unit may be provided.
  • the base member is attached to the housing of the insect trap and has a first opening through which the line of sight of the camera passes.
  • the camera module is attached to one surface side of the base member and has a camera mounted thereon.
  • the light emitting unit is attached to the other surface side of the base member opposite to the one surface, has a second opening through which the line of sight of the camera penetrates, and is equipped with a first annular light source.
  • the camera preferably faces the insect trapping sheet through the first opening and the second opening.
  • the light emitting unit may include a tubular portion to which the first annular light source is attached on the outer peripheral surface side, and a translucent case member that houses the tubular portion.
  • a reflecting member may be provided which is attached to the other surface side of the base member and guides the first light emitted from the first annular light source to the insect trap sheet side.
  • a cover member which is attached to one surface side of the base member and covers the camera module may be provided.
  • the intensity of the first light that attracts insects is not biased in a specific direction, and is centered around the line of sight of the camera. Since it is made almost uniform in all directions, the directivity of the attracting light can be reduced.
  • FIG. 1 is an external perspective view showing an example of an insect trap equipped with the optical unit according to the present embodiment.
  • This insect trap 1 is installed on a floor or wall surface of a factory, a restaurant, or the like, and attracts insects by emitting an attracting light of a specific wavelength band, and traps the attracted insects on an adhesive surface.
  • the insect trap 1 repeatedly captures an image of the adhesive surface on which insects are captured, and sends the captured image to the management server connected to the network.
  • the management server stores the captured image received from the insect trap 1 together with the time information indicating the imaging date and time.
  • the stored picked-up images or picked-up image groups are used for various analysis applications such as the number, type, distribution, and direction of captured insects (direction of individual insects and statistical direction of invasion).
  • the insect trap 1 is mainly composed of a housing 2, an insect trap sheet 3, and an optical unit 4.
  • the housing 2 has a box frame shape in which the front surface and the upper surface are open.
  • the inner surface of the housing 2 is formed with a reflecting surface such as aluminum that reflects the attracting light.
  • the bottom of the housing 2 accommodates a control device mainly including a microcomputer, a communication circuit that communicates with the management server, a transformer circuit, a power supply circuit, and the like.
  • the insect trap sheet 3 has adhesiveness for trapping insects and is arranged on the bottom surface of the housing 2 so as to be exchangeable.
  • the insect trap sheet 3 it is preferable to use a sheet having a color (for example, yellow) that attracts insects.
  • the optical unit 4 is arranged on the upper surface of the housing 2 so as to face the insect trapping sheet 3.
  • FIG. 2 is an external perspective view of the optical unit 4.
  • the optical unit 4 is integrated by assembling a plurality of members, and includes a camera 5, a first annular light source 6, and a second annular light source 7 as functionally important members.
  • the camera 5 is arranged in the center of the optical unit 4 and takes an image of the insect trap sheet 3 arranged on the line of sight V of the camera.
  • the camera 5 is capable of wide-angle shooting, and acquires and outputs an image of a part or the whole of the insect trap sheet 3.
  • the first annular light source 6 extends in an annular shape centered on the line of sight V of the camera and emits an attractive light that attracts insects toward the surroundings.
  • the attracting light for example, ultraviolet rays (UV) having a peak wavelength of about 360 to 370 nm can be used.
  • the inner peripheral side of the first annular light source 6 is opened so that the camera line of sight V penetrates, and this opening has a size that does not obstruct the field of view of the camera 5 at least.
  • the second annular light source 7 extends in an annular shape with the diameter larger than that of the first annular light source 6 with the camera viewpoint V as the center, in other words, extends on the concentric circle of the first annular light source 6. It emits light having a wavelength characteristic different from that of the attracted light emitted by the first annular light source 6.
  • An inner peripheral side of the second annular light source 7 is opened so that the camera sight line V penetrates, and the opening has a size that does not at least obstruct the view of the camera 5.
  • the second annular light source 7 is arranged slightly ahead of the first annular light source 6.
  • the second annular light source 7 is not always necessary, and is appropriately added according to the following uses.
  • the second annular light source 7 can be used as a light source for auxiliary light.
  • the captured image can be acquired with a sufficient amount of light regardless of the installation environment of the insect trap 1.
  • the second annular light source 7 can be used as a light source for attracting a different insect. ..
  • a plurality of types of insects can be effectively attracted.
  • a plurality of second annular light sources 7 may be arranged to attract more kinds of insects.
  • FIG. 3 is an exploded perspective view of the optical unit 4.
  • the optical unit 4 has a base member 8, a camera module 9, a cover member 10, a light emitting unit 11, and a reflecting member 12, in addition to the above-mentioned second annular light source 7, as its main constituent members.
  • the camera module 9 is equipped with necessary control devices in addition to the camera 5 described above.
  • the first annular light source 6 described above is mounted on the light emitting unit 12.
  • the base member 8 has a mounting portion 8a, a protruding portion 8b, and a recessed portion 8c.
  • the attachment portion 8a has a polygonal ring shape, and is detachably attached to the housing 2.
  • the protruding portion 8b protrudes rearward from the ring portion 8a in a cylindrical shape.
  • the depressed portion 8c is depressed at the front center of the ring portion 8a with a step, and has a large diameter portion on the front side and a small diameter portion on the back side.
  • an opening 8d through which the camera line of sight V penetrates is provided substantially in the center of the base member.
  • a plurality of through holes for passing screws are provided at appropriate positions on the base member 8.
  • the camera module 9 is attached to the back side of the base member 8 by a plurality of screws.
  • the camera 5 mounted on the camera module 9 faces the insect trapping sheet 3 through the openings 8d, 11a, 12a.
  • the cover member 10 is attached by being fitted into the back surface of the base member 8, and accommodates the camera module 9 to cover the entire module.
  • FIG. 4 is an exploded perspective view of the light emitting unit 11.
  • the light emitting unit 11 includes a tubular portion 11b, and emits light that attracts insects from the outer surface of the tubular portion 11b toward the surroundings.
  • the outer surface of the cylindrical portion 11b is formed flat, and an uneven heat sink 11d that radiates the heat generated by the LED 11c as a light source is provided on the inner surface over the entire circumference.
  • the tubular portion 11b be formed of a metal having a high heat dissipation such as aluminum. Further, a disc portion 11e having a larger diameter than the tubular portion 11b is integrally formed on the back surface side of the tubular portion 11b.
  • the first annular light source 6 is provided in an annular shape along the periphery (outer surface) of the tubular portion 11b.
  • a flexible substrate having flexibility that can follow the outer surface shape of the tubular portion 11b can be used, and a plurality of LEDs 11c that are point light sources are predetermined on the flexible substrate. Are arranged over the entire circumference at intervals. As a result, attractive light that attracts insects is emitted from the outer surface of the tubular portion 11b toward the surroundings.
  • a surface light source such as electroluminescence (EL) is used to emit light planarly from the outer surface of the cylindrical portion 11b. You may.
  • EL electroluminescence
  • a power cord 11f is attached to the first annular light source 6, and electric power for causing the LED 11c to emit light is externally supplied via the power cord 11f.
  • the power may be supplied by incorporating a battery in the insect trap 1 itself.
  • the first annular light source 6 is housed inside the case member 11g.
  • the case member 11g is formed of a material having a light-transmitting property (including a semi-light-transmitting property) such as a transparent plastic, and covers the first annular light source 6 housed inside entirely.
  • a material having a light-transmitting property such as a transparent plastic
  • the case member 11g may have a property of diffusing light to diffuse the light emitted by the LED 11c.
  • the first annular light source 6 wound in a ring shape is attached to the outer periphery of the tubular portion 11b, then the case member 11g is put on the first annular light source 6, and then the first light source 6 is screwed. Integrate.
  • the reflecting member 12 is attached to the front surface side of the base member 8, more specifically, to the small diameter portion on the inner side of the recess 8 c, and the light emitting unit 11 is attached via the reflecting member 12. It is attached to the base member 8.
  • the reflection member 12 guides the attractive light emitted from the first annular light source 6 included in the light emitting unit 11 to the front surface side, that is, the insect trap sheet 3 side.
  • the reflecting member 12 has an opening 12a through which the line of sight V of the camera passes.
  • the second annular light source 7 is attached between the large-diameter portion on the front side of the recess 8 c of the base member 8, more specifically, between the inner peripheral surface of the recess 8 c and the outer edge of the reflecting member 12. There is.
  • the attracting light that attracts insects is not biased in a specific direction, and the camera line-of-sight can be obtained. Since it is made uniform in all directions centering on V, the directivity of the attracting light can be reduced.
  • FIGS. 5 and 6 First, as shown in FIG. 5 (comparative example), when the light intensity is biased obliquely upward with respect to the line of sight V of the camera (in a directional direction), the insects are attracted to the stronger light intensity. On the captured image of the insect trapping sheet 3, the captured insects tend to be unevenly distributed diagonally upward.
  • the intensity of light around the camera line-of-sight V can be increased, as with the first annular light source 6. It can be made almost uniform in all directions.
  • the optical unit 4 equipped with the camera 5 and the first annular light source 6 (and the second annular light source 7) can be realized compactly and integrally, and also for various insect traps 1. It can be applied universally.
  • insect trap 2 housing 3 insect trap sheet 4 optical unit 5 camera 6 first annular light source 7 second annular light source 8 base member 8a mounting portion 8b protruding portion 8c recessed portion 8d opening portion 9 camera module 10 cover member 11 light emitting unit 11a Opening 11b Cylindrical 11c LED 11d Heat sink 11e Disc part 11f Power cord 11g Case member 12 Reflecting member 12a Opening

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

La présente invention concerne une unité optique destinée à un collecteur d'insectes et réduisant la directivité de la lumière d'attraction autour d'une ligne visuelle de caméra. Une unité optique 4 est conçue pour être utilisée par un collecteur d'insectes afin de capturer des insectes à l'aide d'une feuille de capture d'insectes, l'unité optique 4 comprenant une caméra 5, une première source de lumière annulaire 6 et une seconde source de lumière annulaire 7. La caméra 5 prend des images de la feuille de capture d'insectes placée sur une ligne visuelle de caméra V. La première source de lumière annulaire 6 s'étend de façon annulaire autour de la ligne visuelle de caméra V, et émet une lumière d'attraction pour attirer les insectes. La seconde source de lumière annulaire 7 s'étend de manière annulaire, avec un diamètre supérieur à celui de la première source de lumière annulaire 6, autour d'un point de vue de caméra V, et émet une lumière ayant des caractéristiques de longueur d'onde différentes de celles de la lumière d'attraction émise par la première source de lumière annulaire 6.
PCT/JP2019/008368 2019-03-04 2019-03-04 Unité optique pour collecteur d'insectes WO2020178940A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/008368 WO2020178940A1 (fr) 2019-03-04 2019-03-04 Unité optique pour collecteur d'insectes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/008368 WO2020178940A1 (fr) 2019-03-04 2019-03-04 Unité optique pour collecteur d'insectes

Publications (1)

Publication Number Publication Date
WO2020178940A1 true WO2020178940A1 (fr) 2020-09-10

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Application Number Title Priority Date Filing Date
PCT/JP2019/008368 WO2020178940A1 (fr) 2019-03-04 2019-03-04 Unité optique pour collecteur d'insectes

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WO (1) WO2020178940A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070169401A1 (en) * 2004-02-28 2007-07-26 Cesco Co., Ltd. Flying insect capture and monitoring system
JP2009106300A (ja) * 2008-12-19 2009-05-21 Nyuurii Kk 捕虫装置及び捕虫シートの検査方法
JP2013236586A (ja) * 2012-05-15 2013-11-28 Ikari Shodoku Kk 捕虫装置、捕虫装置の製造方法および虫の監視方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070169401A1 (en) * 2004-02-28 2007-07-26 Cesco Co., Ltd. Flying insect capture and monitoring system
JP2009106300A (ja) * 2008-12-19 2009-05-21 Nyuurii Kk 捕虫装置及び捕虫シートの検査方法
JP2013236586A (ja) * 2012-05-15 2013-11-28 Ikari Shodoku Kk 捕虫装置、捕虫装置の製造方法および虫の監視方法

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