JP2005143429A - Apparatus for volatilizing agent and method for controlling insect pest by using the same - Google Patents

Apparatus for volatilizing agent and method for controlling insect pest by using the same Download PDF

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JP2005143429A
JP2005143429A JP2003387779A JP2003387779A JP2005143429A JP 2005143429 A JP2005143429 A JP 2005143429A JP 2003387779 A JP2003387779 A JP 2003387779A JP 2003387779 A JP2003387779 A JP 2003387779A JP 2005143429 A JP2005143429 A JP 2005143429A
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drug
group
chemical
impregnated body
liquid
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Chuhei Ueno
忠平 上野
Masafumi Inoue
雅文 井上
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Dainihon Jochugiku Co Ltd
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<P>PROBLEM TO BE SOLVED: To provide an agent-volatilizing apparatus having simple structure of an agent impregnant and having high volatilization efficiency and to provide a method for controlling insect pests by using the apparatus. <P>SOLUTION: The apparatus for volatilizing the agent comprises storing the agent impregnant obtained by adding 30-500 mg pyrethroidal agent which is volatile at ordinary temperature to an air-permeable carrier formed by superposing a plurality of liquid-absorbing sheets in multilayer into a cartridge, rotating the cartridge at 500-2,000 rpm and volatilizing the agent by centrifugal force acting on the agent impregnant. The method for controlling the insect pest comprises using the apparatus. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、薬剤揮散装置及びこれを用いた害虫防除方法に関するものである。 The present invention relates to a chemical volatilization apparatus and a pest control method using the same.

害虫、例えば蚊や蚋などを駆除するために、薬剤を閉鎖空間(建築物や自動車の室内、アウトドアスポーツにおけるテント内など)全体に揮散、放出させる薬剤揮散方法として、熱エネルギーを利用した蚊取線香や電気蚊取マット、液体式電気蚊取(リキッド)が一般的である。一方、電源として電池を用い、常温で薬剤含浸体にファン等の風をあてて薬剤を揮散、放出させる送風式薬剤揮散装置も、携帯用として実用化されている。しかしながら、後者の送風式薬剤揮散装置のうち、薬剤含浸体を装置に固定しファンの風力のみで薬剤を揮散させるものは、たとえ、特開平11−92303号公報に記載されているように、複雑なハニカム構造を有する薬剤含浸体を採用したとしても揮散が十分効率的とはいえない。 In order to eliminate pests such as mosquitoes and moths, mosquito traps that use thermal energy are used as a chemical vaporization method that volatilizes and releases chemicals throughout closed spaces (such as buildings and automobile interiors and outdoor sports tents). Incense sticks, electric mosquito mats, and liquid electric mosquito traps (liquids) are common. On the other hand, a blown-type chemical volatilization device that uses a battery as a power source and volatilizes and releases the chemical by applying a fan or the like to the drug-impregnated body at room temperature has been put into practical use. However, among the latter blowing-type chemical volatilization devices, those in which the chemical-impregnated body is fixed to the device and the chemicals are volatilized only by the wind of the fan are complex, as described in JP-A-11-92303. Even if a chemical-impregnated body having a simple honeycomb structure is employed, volatilization cannot be said to be sufficiently efficient.

そこで、本発明者らは、特開2001−247406号公報において、薬剤含浸体を収納するカートリッジをモーターで回転させ、遠心力とファンによる風力を利用して薬剤を一層効率的に揮散、放出させる薬剤揮散方法を開示した。またその後、粒状もしくは略粒状の吸液性担体の替わりに、シート状あるいはマット状の吸液性担体を用いる薬剤揮散装置についても明らかにした(特開2002−17230号公報)。
これらの方式は、薬剤含浸体が静置型のものと比べると薬剤揮散効率を飛躍的に向上させたが、更なる改良の余地が残されていた。
特開平11−92303号公報 特開2001−247406号公報 特開2002−17230号公報
Therefore, in the Japanese Patent Laid-Open No. 2001-247406, the present inventors rotate a cartridge containing a drug impregnated body with a motor, and volatilize and release the drug more efficiently by using centrifugal force and wind force from a fan. Disclosed a method for volatilization of chemicals. Thereafter, a chemical volatilization apparatus using a sheet-like or mat-like liquid-absorbing carrier instead of a granular or substantially granular liquid-absorbing carrier was also clarified (Japanese Patent Laid-Open No. 2002-17230).
Although these methods drastically improved the chemical volatilization efficiency as compared with the stationary type of the impregnated drug, there is still room for further improvement.
JP-A-11-92303 JP 2001-247406 A JP 2002-17230 A

本発明は、薬剤含浸体の構造がシンプルで、しかも薬剤の揮散効率が高い薬剤揮散装置、ならびにこれを用いた害虫防除方法を提供することを目的とする。 An object of the present invention is to provide a chemical volatilization apparatus having a simple drug impregnated structure and high chemical volatilization efficiency, and a pest control method using the same.

上記課題を解決するため、本発明者らは、特開2001−247406号公報で開示された薬剤揮散装置の薬剤揮散作用を詳しく調べたところ、遠心力と風力のファクターのうち遠心力の寄与が相対的に極めて大きいことを見出した。そこで、遠心力のみの作用でも高い揮散効率を奏しえる薬剤揮散装置の研究を行い、本発明を完成するに至った。 In order to solve the above-mentioned problems, the present inventors examined in detail the chemical volatilization action of the chemical volatilization device disclosed in Japanese Patent Application Laid-Open No. 2001-247406. As a result, the centrifugal force contributes to the centrifugal force and the wind force factor. It was found to be relatively large. Then, the chemical | medical agent volatilization apparatus which can show | play high volatilization efficiency by the effect | action of only a centrifugal force was researched, and it came to complete this invention.

すなわち本発明では、以下の構成が採用される。
(1)複数枚の吸液性シートを多層に重ねて形成した通気性担体に、常温揮散性ピレスロイド系薬剤を30〜500mg含有させてなる薬剤含浸体を、カートリッジに収納して500〜2000rpmの速度で回転させるとともに、前記薬剤含浸体に作用する遠心力により該薬剤を揮散させるようになした薬剤揮散装置。
(2)吸液性シートがセルロース製で、その目付(g/m2)を厚さ(mm)で除したパラメーターで示した時、300〜1000(g/m2・mm)の範囲である(1)に記載の薬剤揮散装置。
(3)多層に重ねた吸液性シートの層間距離が0.5mm〜5.0mmである(1)又は(2)に記載の薬剤揮散装置。
(4)カートリッジの内周側にファンを具備した(1)ないし(3)のいずれかに記載の薬剤揮散装置。
(5)常温揮散性ピレスロイド系薬剤が、一般式(I)

Figure 2005143429

(式中、Xは水素原子又はメチル基を表す。Xが水素原子の時、Yはビニル基、1−プロペニル基、2−メチル−1−プロペニル基、2,2−ジクロロビニル基、2,2−ジフルオロビニル基又は2−クロロ−2−トリフルオロメチルビニル基を表し、Xがメチル基の時、Yはメチル基を表す。また、Zは水素原子、フッ素原子、メチル基、メトキシメチル基又はプロパルギル基を表す)で表されるフッ素置換ベンジルアルコールエステル化合物から選ばれた1種又は2種以上である(1)ないし(4)のいずれかに記載の薬剤揮散装置。
(6)複数枚の吸液性シートを多層に重ねて形成した通気性担体に、常温揮散性ピレスロイド系薬剤を30〜500mg含有させてなる薬剤含浸体を、カートリッジに収納して500〜2000rpmの速度で回転させるとともに、前記薬剤含浸体に作用する遠心力により該薬剤を揮散させる害虫防除方法。 That is, in the present invention, the following configuration is adopted.
(1) A drug-impregnated body containing 30 to 500 mg of a room temperature volatile pyrethroid based drug in a breathable carrier formed by laminating a plurality of liquid-absorbent sheets in multiple layers is housed in a cartridge at 500 to 2000 rpm. A drug volatilization device that rotates at a speed and volatilizes the drug by a centrifugal force acting on the drug impregnated body.
(2) When the liquid-absorbent sheet is made of cellulose and expressed by a parameter obtained by dividing the basis weight (g / m 2 ) by the thickness (mm), the range is 300 to 1000 (g / m 2 · mm). The chemical volatilization apparatus according to (1).
(3) The chemical volatilization device according to (1) or (2), wherein the interlayer distance of the liquid-absorbent sheets stacked in multiple layers is 0.5 mm to 5.0 mm.
(4) The chemical volatilization device according to any one of (1) to (3), wherein a fan is provided on the inner peripheral side of the cartridge.
(5) A room temperature volatile pyrethroid based on general formula (I)
Figure 2005143429

(In the formula, X represents a hydrogen atom or a methyl group. When X is a hydrogen atom, Y represents a vinyl group, 1-propenyl group, 2-methyl-1-propenyl group, 2,2-dichlorovinyl group, 2, Represents a 2-difluorovinyl group or 2-chloro-2-trifluoromethylvinyl group, and when X is a methyl group, Y represents a methyl group, and Z represents a hydrogen atom, a fluorine atom, a methyl group, or a methoxymethyl group. Or a propargyl group). The drug volatilization device according to any one of (1) to (4), which is one or more selected from fluorine-substituted benzyl alcohol ester compounds represented by:
(6) A drug-impregnated body containing 30 to 500 mg of a room temperature volatile pyrethroid drug in a breathable carrier formed by laminating a plurality of liquid-absorbing sheets in multiple layers is housed in a cartridge at 500 to 2000 rpm. A method for controlling pests that rotates at a speed and volatilizes the drug by centrifugal force acting on the drug-impregnated body.

本発明の薬剤揮散装置は、薬剤含浸体の構造がシンプルで製造上のメリットが大きく、しかも薬剤の揮散効率が高いため極めて有用である。そして、これを用いた本発明の害虫防除方法によれば、屋内の蚊や蚋、ハエ、ユスリカなどの各種害虫に対してすぐれた殺虫、防虫効果を奏するものである。 The drug volatilization apparatus of the present invention is extremely useful because the structure of the drug impregnated body is simple and has great manufacturing merit, and the drug volatilization efficiency is high. And according to the pest control method of the present invention using this, it has excellent insecticidal and insecticidal effects against various pests such as indoor mosquitoes, moths, flies and chironomids.

本発明の薬剤揮散装置は、屋内使用を主用途とし、特に安定した薬剤揮散性能と経済性の確保を重視してACアダプターを用い交流電源を優先的に使用するが、交流電源が得られない場面では乾電池や充電池、あるいは太陽電池が使用される設計であっても構わない。すなわち、電源として乾電池のみを使用した場合、装置の構成はシンプルとなるものの、電圧の経時的降下とともにモーターの回転数が徐々に低下することは避けられず、殺虫効力を保持するために乾電池の交換を頻繁にするとコスト高となるので、本発明では交流電源の優先使用が好ましい。 The chemical volatilization apparatus of the present invention is mainly used indoors, and uses an AC power adapter preferentially using an AC adapter with an emphasis on ensuring stable chemical volatilization performance and economy, but an AC power source cannot be obtained. In the scene, a dry battery, a rechargeable battery, or a solar battery may be used. In other words, when only a dry battery is used as a power source, the configuration of the apparatus becomes simple, but it is unavoidable that the rotational speed of the motor gradually decreases as the voltage decreases with time. Since frequent replacement increases the cost, in the present invention, the AC power supply is preferably used preferentially.

かかる状況のもとで、本発明の薬剤揮散装置は、複数枚の吸液性シートを多層に重ねて形成した通気性担体に、常温揮散性ピレスロイド系薬剤を含有させてなる薬剤含浸体をカートリッジに収納し、500〜2000rpmの速度で回転させる方式を採用する。
吸液性シートの材質としては、十分な薬剤保持能と含浸体内部から順次表面への移動・滲出性を奏し、かつ相応の強度を有するものであれば限定されない。例えば、パルプ、リンターなどの天然由来材料、レーヨン、ビスコースなどのセルロース系繊維及び/又はポリエステル、ポリエチレン、ポリプロピレン、ポリアミドなどの合成繊維、ガラス繊維などがあげられ、これらの一種又は二種以上を絡合させて、紙、布、不織布、フェルトなどに成形したものが用いられる。なかでも、セルロース製の紙(ろ紙、厚紙、ダンボール紙など)、布、不織布が好ましく、その目付(g/m2)を厚さ(mm)で除したパラメーターで表した場合、300〜1000(g/m2・mm)の範囲のものが好適である。300g/m2・mm未満であると、薬剤の揮散性が速くなりすぎる傾向があり、一方1000g/m2・mmを超えると、薬剤の含浸体内部から表面への移動が緩やかでシート間の層間距離を考慮したとしても適当な薬剤揮散量を確保することが難しくなる。また、必要ならば、強度的にすぐれた基板に前記材質の吸液性シートを貼付するようにしても構わない。
Under such circumstances, the drug volatilization apparatus of the present invention is a cartridge in which a drug impregnated body containing a room temperature volatile pyrethroid based drug in a breathable carrier formed by stacking a plurality of liquid-absorbent sheets in multiple layers. And adopting a method of rotating at a speed of 500 to 2000 rpm.
The material of the liquid-absorbent sheet is not limited as long as it has a sufficient drug retaining ability, a moving / exuding property from the inside of the impregnated body sequentially to the surface, and a suitable strength. Examples include natural materials such as pulp and linter, cellulosic fibers such as rayon and viscose, and / or synthetic fibers such as polyester, polyethylene, polypropylene, and polyamide, and glass fibers. What was entangled and formed into paper, cloth, non-woven fabric, felt or the like is used. Among these, cellulose paper (filter paper, cardboard, corrugated paper, etc.), cloth, and non-woven fabric are preferable. When the basis weight (g / m 2 ) is divided by the thickness (mm), 300 to 1000 ( g / m 2 · mm) is preferable. If it is less than 300 g / m 2 · mm, the volatility of the drug tends to be too fast. On the other hand, if it exceeds 1000 g / m 2 · mm, the movement of the drug from the impregnated body to the surface is gradual, and between the sheets Even if the interlayer distance is taken into consideration, it is difficult to ensure an appropriate amount of chemical volatilization. Further, if necessary, a liquid-absorbing sheet made of the above material may be attached to a substrate having excellent strength.

本発明は、複数枚の前記吸液性シートを多層に重ねて通気性担体を形成したことに特徴を有する。吸液性シートの形状や大きさは任意であるが、通常外径が3〜8cmの円形のものが使いやすく、必要ならばその中央部を適宜くりぬいてドーナツ状に形成してもよい。本発明では、シートとシートの間に距離を設け通気性を確保することが重要であり、その層間距離は0.5mm〜5.0mmに設定するのが好ましい。
また、シートの枚数は、回転中の空気の流れ等から3〜7枚程度が適当であることが認められ、その他、使用目的、使用期間、カートリッジの仕様等を考慮して適宜決定することができる。なお、層間距離を一定に保持するために、層間距離に相応する高さの爪をシートに立設するようにしてもよい。
The present invention is characterized in that a plurality of the liquid-absorbent sheets are stacked to form a breathable carrier. Although the shape and size of the liquid-absorbent sheet are arbitrary, a circular sheet having an outer diameter of 3 to 8 cm is usually easy to use, and if necessary, the central part may be appropriately hollowed to form a donut shape. In the present invention, it is important to provide a distance between the sheets to ensure air permeability, and the interlayer distance is preferably set to 0.5 mm to 5.0 mm.
In addition, it is recognized that the number of sheets is suitably about 3 to 7 from the flow of air during rotation, etc. In addition, it can be appropriately determined in consideration of the purpose of use, the period of use, the specifications of the cartridge, etc. it can. In order to keep the interlayer distance constant, a nail having a height corresponding to the interlayer distance may be erected on the sheet.

本発明では、常温揮散性ピレスロイド系薬剤が用いられ、このような薬剤としては、一般式(I)

Figure 2005143429

(式中、Xは水素原子又はメチル基を表す。Xが水素原子の時、Yはビニル基、1−プロペニル基、2−メチル−1−プロペニル基、2,2−ジクロロビニル基、2,2−ジフルオロビニル基又は2−クロロ−2−トリフルオロメチルビニル基を表し、Xがメチル基の時、Yはメチル基を表す。また、Zは水素原子、フッ素原子、メチル基、メトキシメチル基又はプロパルギル基を表す)で表されるフッ素置換ベンジルアルコールエステル化合物を例示することができる。 In the present invention, a room temperature volatile pyrethroid-based drug is used, and as such a drug, the general formula (I)
Figure 2005143429

(Wherein X represents a hydrogen atom or a methyl group. When X is a hydrogen atom, Y represents a vinyl group, 1-propenyl group, 2-methyl-1-propenyl group, 2,2-dichlorovinyl group, 2, Represents a 2-difluorovinyl group or 2-chloro-2-trifluoromethylvinyl group, and when X is a methyl group, Y represents a methyl group, and Z represents a hydrogen atom, a fluorine atom, a methyl group, or a methoxymethyl group. Or a propargyl group). A fluorine-substituted benzyl alcohol ester compound represented by:

一般式(I)で表される化合物の具体例としては、2,3,5,6−テトラフルオロベンジル−クリサンテマート(以後、化合物Aと称す)、2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(1−プロペニル)シクロプロパンカルボキシレート(以後、化合物Bと称す)、2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(2,2−ジクロロビニル)シクロプロパンカルボキシレート(以後、化合物Cと称す)、4−メチル−2,3,5,6−テトラフルオロベンジル−クリサンテマート(以後、化合物Dと称す)、4−メチル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(1−プロペニル)シクロプロパンカルボキシレート(以後、化合物Eと称す)、4−メチル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(2,2−ジフルオロビニル)シクロプロパンカルボキシレート(以後、化合物Fと称す)、4−メトキシメチル−2,3,5,6−テトラフルオロベンジル−クリサンテマート(以後、化合物Gと称す)、4−メトキシメチル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(1−プロペニル)シクロプロパンカルボキシレート(以後、化合物Hと称す)、2,3,4,5,6−ペンタフルオロベンジル−2,2−ジメチル−3−(2−クロロ−2−トリフルオロメチルビニル)シクロプロパンカルボキシレート(以後、化合物Iと称す)、4−プロパルギル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(1−プロペニル)シクロプロパンカルボキシレート(以後、化合物Jと称す)、4−メチル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−ビニルシクロプロパンカルボキシレート(以後、化合物Kと称す)、2,3,5,6−テトラフルオロベンジル−2,2,3,3−テトラメチルシクロプロパンカルボキシレート(以後、化合物Lと称す)、4−メトキシメチル−2,3,5,6−テトラフルオロベンジル−2,2,3,3−テトラメチルシクロプロパンカルボキシレート(以後、化合物Mと称す)、又は4−メチル−2,3,5,6−テトラフルオロベンジル−2,2,3,3−テトラメチルシクロプロパンカルボキシレート(以後、化合物Nと称す)をあげることができる。これらの化合物は一種類を使用してもよいし、又は二種類以上の化合物を組み合わせて使用してもよい。なお、一般式(I)で表される化合物には、その不斉炭素や二重結合に基づく光学異性体や幾何異性体が存在するが、これらの各々やそれらの任意の混合物の使用も本発明に含まれるのは勿論である。 Specific examples of the compound represented by the general formula (I) include 2,3,5,6-tetrafluorobenzyl-chrysanthemate (hereinafter referred to as Compound A), 2,3,5,6-tetrafluoro. Benzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as Compound B), 2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (2 , 2-dichlorovinyl) cyclopropanecarboxylate (hereinafter referred to as Compound C), 4-methyl-2,3,5,6-tetrafluorobenzyl-chrysantemate (hereinafter referred to as Compound D), 4-methyl -2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate (hereinafter referred to as Compound E), 4-methyl-2, , 5,6-tetrafluorobenzyl-2,2-dimethyl-3- (2,2-difluorovinyl) cyclopropanecarboxylate (hereinafter referred to as Compound F), 4-methoxymethyl-2,3,5,6 -Tetrafluorobenzyl-chrysanthemate (hereinafter referred to as compound G), 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxy Rate (hereinafter referred to as Compound H), 2,3,4,5,6-pentafluorobenzyl-2,2-dimethyl-3- (2-chloro-2-trifluoromethylvinyl) cyclopropanecarboxylate (hereinafter referred to as Compound H) 4-propargyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) Lopropanecarboxylate (hereinafter referred to as Compound J), 4-methyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3-vinylcyclopropanecarboxylate (hereinafter referred to as Compound K) 2,3,5,6-tetrafluorobenzyl-2,2,3,3-tetramethylcyclopropanecarboxylate (hereinafter referred to as Compound L), 4-methoxymethyl-2,3,5,6-tetra Fluorobenzyl-2,2,3,3-tetramethylcyclopropanecarboxylate (hereinafter referred to as Compound M) or 4-methyl-2,3,5,6-tetrafluorobenzyl-2,2,3,3 -Tetramethylcyclopropanecarboxylate (hereinafter referred to as compound N). One kind of these compounds may be used, or two or more kinds of compounds may be used in combination. In addition, the compound represented by the general formula (I) has optical isomers and geometric isomers based on the asymmetric carbon and double bond, and the use of each of these and any mixture thereof is also present. Of course, it is included in the invention.

本発明では、前記通気性担体に前述の薬剤を全体で30〜500mg含有させる。薬剤の含有量が30mgより少ないと、殺虫効力の持続性に不足を生じる場合があり、一方500mgを超えると薬剤保持能に支障をきたす恐れがあるので好ましくない。
薬剤を含有させるに際しては、必要に応じ溶剤、希釈剤、界面活性剤、分散剤、徐放化剤などを用い、また従来から知られている各種手段を採用することができる。更に、前記薬剤含浸体に、安定剤、香料、着色剤、帯電防止剤などを適宜配合してもよく、また薬剤組成物に、揮散性能に支障をきたさない程度において、揮散性の高い他の殺虫、忌避成分(例えば、ディート、ヒノキチオール、カルボン、サフロール、シトロネロール、ケイ皮アルデヒドなどの防虫香料など)、殺ダニ剤、殺菌剤、消臭剤などを添加して多目的組成物とすることもできる。通常、通気性担体に薬剤を含浸させるよりは、あらかじめ薬剤を含有させた吸液性シートを多層に組み立てる方が製造上やりやすい。
In the present invention, the gas permeable carrier contains 30 to 500 mg of the aforementioned drug as a whole. If the content of the drug is less than 30 mg, the sustainability of the insecticidal effect may be insufficient. On the other hand, if it exceeds 500 mg, the drug retention ability may be hindered.
When the drug is contained, a solvent, a diluent, a surfactant, a dispersant, a sustained-release agent, and the like can be used as necessary, and various conventionally known means can be employed. Furthermore, a stabilizer, a fragrance, a colorant, an antistatic agent, and the like may be appropriately added to the drug-impregnated body, and other high volatility properties may be added to the drug composition as long as the volatilization performance is not hindered. Insecticides, repellent ingredients (for example, insecticides such as diet, hinokitiol, carvone, safrole, citronellol, cinnamic aldehyde, etc.), acaricides, fungicides, deodorants, etc. can be added to make a multipurpose composition . In general, it is easier to manufacture a liquid-absorbent sheet containing a drug in advance than in a case where the gas-permeable carrier is impregnated with the drug.

本発明で使用するカートリッジは、回転中の薬剤含浸体を保持するためのもので、任意の形状を採用しうる。例えば、円筒状であってもよいし、あるいは、断面矩形のドーナツ状に形成しその内周側にファンを具備して一層揮散効率を高めえる構成を採用することもできる。 The cartridge used in the present invention is for holding the rotating drug impregnated body, and can adopt any shape. For example, a cylindrical shape may be used, or a configuration in which the volatilization efficiency is further increased by forming a donut shape having a rectangular cross section and providing a fan on the inner peripheral side thereof may be employed.

カートリッジの周囲には、スリット状、メッシュ状などの保護バーを装着し、指などが回転する支持体に触れないような構成にするとよい。また使用前に、カートリッジに装着した薬剤含浸体から薬剤が揮散することを防止するため、薬剤含浸体には遮蔽部材(例えば、シールテープなど)を貼付することが好ましく、このような遮蔽部材は通常使用直前に剥離される。 A protective bar such as a slit or mesh may be attached around the cartridge so that the finger or the like does not touch the rotating support. Before use, it is preferable to attach a shielding member (for example, a sealing tape) to the drug-impregnated body in order to prevent the drug from evaporating from the drug-impregnated body mounted on the cartridge. Usually peeled off just before use.

本発明で用いるモーターの仕様は、DC1.5V〜6.0V駆動で、500〜2000rpmの回転数を与えるものである。薬剤含浸体の使用期間が比較的短期間で、後記するCPU(中央処理装置)やメモリーを内蔵しない場合、乾電池で駆動するシンプルな構成でもよいが、制御装置を備える場合は、例えば100Vの交流電源が効率的であり、ACアダプターを用いて電圧ドロップ、整流した後モーター用電源回路に供給するシステムを優先させるのが好ましい。ACアダプターは、薬剤揮散装置に内蔵してもよいが、コンセントプラグと一体化すると、プラグと薬剤揮散装置間の電源コードを軽量化できるというメリットを有する。また、電源コードの先端プラグを薬剤揮散装置のコネクターと取り外し可能に構成することもできる。 The specification of the motor used in the present invention is a drive of DC 1.5V to 6.0V and gives a rotational speed of 500 to 2000 rpm. When the usage period of the drug-impregnated body is relatively short and does not include a CPU (Central Processing Unit) and a memory which will be described later, a simple configuration driven by a dry battery may be used. It is preferable to prioritize a system in which the power supply is efficient, and the voltage is dropped and rectified using an AC adapter and then supplied to the motor power supply circuit. The AC adapter may be built in the chemical volatilization apparatus, but if it is integrated with the outlet plug, there is an advantage that the power cord between the plug and the chemical volatilization apparatus can be reduced in weight. Moreover, the tip plug of the power cord can be configured to be removable from the connector of the chemical volatilization device.

本発明の薬剤揮散装置には、揮散プログラムを制御するCPU(中央処理装置)やメモリー、更に液晶による目視可能な(1)薬剤残量表示機能、(2)乾電池/又は充電池の残量表示機能が好適に備えられる。
薬剤残量表示機能の制御方式としては種々可能であり、例えば所定量以上の電圧下でモーターが作動する際に固有の周波パルスを発振するRC発振回路を内蔵し、この発振パルスの感知とこれに基づくモーター作動時間の計測、ならびに薬剤残量への変換を制御する方式を採用することができる。通常、メモリーを備え、タイマーのデータは電源を切っても消失しないように保存される。薬剤残量液晶表示器の形状や表示デザインも任意で、例えば薬剤用途ごとに切り替え可能に棒状の液晶表示器を設けてもよいし、数個の液晶表示が段階的に消えるようにしてもよい。
The chemical volatilization apparatus of the present invention includes a CPU (central processing unit) and a memory for controlling the volatilization program, and a visible liquid crystal display function (1) a remaining amount of drug display function, and (2) a remaining battery / rechargeable battery display. A function is suitably provided.
There are various control methods for the drug remaining amount display function. For example, an RC oscillation circuit that oscillates a specific frequency pulse when the motor is operated under a voltage of a predetermined amount or more is detected. It is possible to adopt a method for controlling the measurement of the motor operation time based on the above and the conversion to the remaining amount of medicine. Usually, a memory is provided, and the timer data is stored so that it is not lost even when the power is turned off. The shape and display design of the drug remaining amount liquid crystal display is also arbitrary. For example, a rod-shaped liquid crystal display may be provided so that it can be switched for each drug use, or several liquid crystal displays may disappear in stages. .

本発明の薬剤揮散装置では、モーター、CPU、メモリー、液晶表示器用電源として、例えばAC100VにACアダプターを介し半波整流、電圧ドロップ、抵抗、コンデンサー等により作成した3.0〜6.0Vの直流電源、あるいは3.0〜6.0Vの乾電池/又は充電地を用い、好ましくは、AC/DC判別回路を内蔵し、AC電源から作成した直流電源を優先的に使用する。このため、例えばACアダプターの先端プラグが薬剤揮散装置のコネクターに接続されると同時に、乾電池/又は充電地からの電源供給が遮断される回路を配設しうる。ここで、モーター作動用電圧を例えば2.0V〜3.0Vとした場合のCPUの制御プログラムを例示すると以下の如くである。
(1)AC電源の場合:乾電池/又は充電地の未使用表示(又full表示)の制御、薬剤用途の種別の識別とその液晶表示の制御、薬剤残量表示機能の制御、
(2)乾電池/又は充電地電源の場合:乾電池/又は充電地の残量電圧の計測とその液晶表示の制御(2.0V未満の場合警告表示)、薬剤用途の種別の識別とその液晶表示の制御、薬剤残量表示機能の制御。
なお、乾電池/又は充電地の残量電圧については、電圧低下判別回路を内蔵し、CPUが電圧の認識と計測を行うようにすればよい。そして、その液晶表示器の形状や表示デザインは何ら限定されず、前述の薬剤残量液晶表示器と一体化されていても別体であっても構わない。
In the chemical volatilization apparatus of the present invention, as a power source for a motor, a CPU, a memory, and a liquid crystal display, for example, a direct current of 3.0 to 6.0 V created by half-wave rectification, voltage drop, resistance, capacitor, etc. via AC adapter to AC 100 V. A power supply or a dry battery of 3.0 to 6.0 V / or a charging place is used. Preferably, an AC / DC discrimination circuit is built in, and a DC power supply created from the AC power supply is preferentially used. For this reason, for example, it is possible to arrange a circuit in which the power supply from the dry battery / charged place is cut off at the same time that the tip plug of the AC adapter is connected to the connector of the chemical volatilization apparatus. Here, an example of the CPU control program when the motor operating voltage is 2.0 V to 3.0 V, for example, is as follows.
(1) In the case of AC power source: control of unused display (or full display) of dry batteries / charged places, identification of the type of drug use and control of its liquid crystal display, control of the remaining amount display function of the drug,
(2) In the case of dry battery / charged ground power source: measurement of residual voltage of dry battery / charged ground and control of liquid crystal display thereof (warning display when less than 2.0V), identification of type of drug use and liquid crystal display thereof Control of drug remaining amount display function.
In addition, about the residual voltage of a dry cell / or a charging place, a voltage drop discrimination circuit may be built in so that the CPU recognizes and measures the voltage. And the shape and display design of the liquid crystal display are not limited at all, and may be integrated with the above-mentioned medicine remaining amount liquid crystal display or separate.

こうして得られた本発明の薬剤揮散装置は、薬剤含浸体を回転させ、遠心力のみで薬剤を効率的に揮散させるので、構造をシンプル化することが可能となる。そして、これを用いた本発明の害虫防除方法によれば、屋内の蚊や蚋、ハエ、ユスリカなど、また洋服タンスやクローゼットなどのイガ、カツオブシムシなどの各種害虫に対してすぐれた殺虫、防虫効果が得られるので、極めて有用かつ実用的である。 The drug volatilization apparatus of the present invention thus obtained rotates the drug impregnated body and efficiently volatilizes the drug only by centrifugal force, so that the structure can be simplified. And, according to the pest control method of the present invention using this, excellent insecticidal and insecticidal effects against indoor pests such as mosquitoes, moths, flies, chironomids, potatoes such as clothes chestnuts and closets, cutworms, etc. Is extremely useful and practical.

次に、具体的実施例ならびに試験例に基づいて、本発明の薬剤揮散装置、及びこれを用いた害虫防除方法を更に詳細に説明する。 Next, the chemical volatilization device of the present invention and the pest control method using the same will be described in more detail based on specific examples and test examples.

図1は本発明の薬剤揮散装置の一例の断面図を示す。
薬剤揮散装置1は、吸液性シート2を多層に重ねて形成した通気性担体に常温揮散性ピレスロイド系薬剤を含有させてなる薬剤含浸体3を収納するドーナツ状のカートリッジ4(外径:6cm、内径:4cmで内周側にファンを具備)と、これを回転させて薬剤含浸体3から薬剤を揮散させるモーター5を備えている。モーター5を回転させると遠心力が生じ、上面吸気口6から流入した空気は装置内部を通り排気口7を経て流出するが、この空気の流れにのって薬剤は空中に放散される。薬剤揮散装置1は、電源としてACアダプター8を介する交流電源(電源コード9及びコネクター10に接続)と乾電池11を両用し、外表面には電源スイッチ12、目視可能な棒状タイプの薬剤残量液晶表示器13や乾電池残量液晶表示器14が付設されている。これらはCPU用電源回路基盤15に接続し制御される。
FIG. 1 shows a sectional view of an example of the chemical volatilization apparatus of the present invention.
The chemical volatilization apparatus 1 includes a donut-shaped cartridge 4 (outer diameter: 6 cm) containing a chemical impregnated body 3 containing a room-temperature volatile pyrethroid based chemical in a breathable carrier formed by laminating liquid-absorbing sheets 2 in multiple layers. And a motor 5 that rotates this to volatilize the drug from the drug impregnated body 3. When the motor 5 is rotated, a centrifugal force is generated, and the air flowing in from the upper surface intake port 6 passes through the inside of the apparatus and flows out through the exhaust port 7, but the drug is diffused into the air along this air flow. The chemical volatilization apparatus 1 uses both an AC power source (connected to the power cord 9 and connector 10) and a dry battery 11 as power sources, and a power switch 12 on the outer surface. A display 13 and a remaining battery level liquid crystal display 14 are provided. These are connected to and controlled by the CPU power supply circuit board 15.

本実施例では、360時間用として、化合物H[4−メトキシメチル−2,3,5,6−テトラフルオロベンジル−2,2−ジメチル−3−(1−プロペニル)シクロプロパンカルボキシレート]100mgを、外径5.8cmの円形ろ紙から内径4.2cmの円をくり貫いたシート(目付:520g/m2、厚さ:0.8mm、目付/厚さパラメーター:650g/m2・mm)5枚に含有させた。この5枚のシートを1.0mmの層間距離を設けて多層状に重ね、通気性担体を形成して薬剤含浸体3を調製した。
薬剤含浸体3をカートリッジ4に収納するとともに、モーター作動用電源がDC3.0Vで、モーター5の回転数を1200rpmとし、薬剤残量液晶表示器13が有効使用時間として360時間を示す仕様の本実施例の薬剤揮散装置1を得た。
In this example, for 360 hours, 100 mg of compound H [4-methoxymethyl-2,3,5,6-tetrafluorobenzyl-2,2-dimethyl-3- (1-propenyl) cyclopropanecarboxylate] was added. , A sheet obtained by punching a circular filter paper having an inner diameter of 4.2 cm from a circular filter paper having an outer diameter of 5.8 cm (weight: 520 g / m 2 , thickness: 0.8 mm, weight / thickness parameter: 650 g / m 2 · mm) 5 It was contained in the sheet. The five sheets were laminated in a multilayer form with an interlayer distance of 1.0 mm to form a breathable carrier, whereby a drug-impregnated body 3 was prepared.
This is a specification in which the drug impregnated body 3 is housed in the cartridge 4, the motor operating power source is DC 3.0 V, the rotation speed of the motor 5 is 1200 rpm, and the drug remaining amount liquid crystal display 13 indicates 360 hours as an effective usage time. The chemical volatilization apparatus 1 of the Example was obtained.

本薬剤揮散装置1を6畳の部屋の中央に置き、ACアダプター7を100V電源に接続してモーター5を作動させた。
本薬剤揮散装置1は、遠心力とファンによる風力の作用で部屋内の薬剤拡散性にすぐれ、1日あたり8時間の使用で延べ45日間にわたり蚊の防除に有効であった。また、360時間後、棒状の液晶が「残量0」を示し表示機能としても優れていた。
The chemical volatilization apparatus 1 was placed in the center of a 6 tatami room, the AC adapter 7 was connected to a 100 V power source, and the motor 5 was operated.
This chemical volatilization apparatus 1 was excellent in drug diffusion in the room due to the action of centrifugal force and wind power by a fan, and was effective in controlling mosquitoes over a total of 45 days using 8 hours per day. In addition, after 360 hours, the bar-like liquid crystal showed “remaining amount 0”, and the display function was excellent.

実施例1で用いた薬剤の替わりに、化合物L[2,3,5,6−テトラフルオロベンジル−2,2,3,3−テトラメチルシクロプロパンカルボキシレート]90mgを使用し、また通気性担体として、外径5.2cmの円形プラスチック薄板の両面にレーヨン製の布(目付:480g/m2、厚さ:1.2mm、目付/厚さパラメーター:400g/m2・mm)を貼り付けたシート3枚を1.5mmの層間距離を設けて多層状に重ねたものを用い、240時間用の薬剤含浸体3を調製した。
この薬剤含浸体3を、ファンを具備しない円盤状のカートリッジ4に収納し、太陽電池と充電器を備えた本発明の薬剤揮散装置1を得た。
Instead of the drug used in Example 1, 90 mg of compound L [2,3,5,6-tetrafluorobenzyl-2,2,3,3-tetramethylcyclopropanecarboxylate] was used, and a breathable carrier was used. As an example, a rayon cloth (weight per unit: 480 g / m 2 , thickness: 1.2 mm, basis weight / thickness parameter: 400 g / m 2 · mm) was pasted on both sides of a circular plastic thin plate having an outer diameter of 5.2 cm. A drug impregnated body 3 for 240 hours was prepared using three sheets laminated in a multilayer form with an interlayer distance of 1.5 mm.
This drug impregnated body 3 was accommodated in a disk-shaped cartridge 4 not equipped with a fan, and the drug volatilization apparatus 1 of the present invention including a solar cell and a charger was obtained.

本薬剤揮散装置1を日差しのあたる屋外でしばらく充電後起動させ、その後8時間にわたり犬小屋で吊り下げ使用した。太陽電池からの電力供給は十分で、使用中余剰電力は蓄電された。このため、本薬剤揮散装置1は、1日あたり8時間の使用で延べ30日間にわたり蚊、ユスリカなどの防除に有効で、犬は害虫に悩まされることはなかった。 The drug volatilization apparatus 1 was started after being charged for a while in the sunlight and then suspended in a kennel for 8 hours. The power supply from the solar cell was sufficient, and the surplus power during use was stored. For this reason, this chemical volatilization device 1 is effective for controlling mosquitoes, chironomids, etc. for a total of 30 days by using 8 hours per day, and the dog was not bothered by pests.

実施例1に準じ、モーター作動用電源がDC3.0Vで、薬剤残量液晶表示器13が有効使用時間として360時間を示す各種薬剤揮散装置を作製した。なお、カートリッジ4の内周側にファンを設けず、また乾電池11を用いる場合は、単3電池2個(計3V)とした。
6畳の部屋で使用し、開始直後、180時間後及び360時間後に、蚊成虫に対する殺虫効力を調べた。結果は市販の蚊取りリキッドと比べて、○、△、×で評価し、併せて表1に示した。
○;市販の蚊取りリキッドと比べて優れる、 △;ほぼ同等、 ×;劣る
According to Example 1, various drug volatilization devices were produced in which the power source for motor operation was DC 3.0V and the drug remaining amount liquid crystal display 13 showed 360 hours as an effective use time. When no fan was provided on the inner peripheral side of the cartridge 4 and the dry battery 11 was used, two AA batteries (3 V in total) were used.
It was used in a 6 tatami room, and the insecticidal efficacy against adult mosquitoes was examined immediately after the start, 180 hours and 360 hours later. The results were evaluated by ○, Δ, and × compared with a commercially available mosquito-repellent liquid, and are also shown in Table 1.
○: Excellent compared to commercially available mosquito catching liquid, △: Almost equivalent, ×: Inferior

Figure 2005143429
Figure 2005143429

本発明の薬剤揮散装置は、ファンを備えなくても360時間の長期にわたり優れた殺虫効力を保持し、製造上の面でも極めて有利であった。なお、通気性担体は、その材質を目付/厚さパラメーターとして表した時、300〜1000(g/m2・mm)の範囲にあり、またシート間の距離は0.5mm〜5.0mmの範囲のものがより好ましかった。
これに対し、比較例1のフェノトリンのように常温で非揮発性のピレスロイド系薬剤では本発明の薬剤揮散システムに合致せず、比較例2の如く薬剤含浸量が30mgより少ないと殺虫効力が長期間持続しなかった。また、比較例3及び4から明らかなように、モーターの回転速度が500rpm未満の場合、揮散効率が低く、一方2000rpmを超えると初期の揮散量が高すぎるうえ、モーターの耐久性に問題を生じ好ましくなかった。更に比較例5のように非通気性の薬剤含浸体は不適であり、また薬剤含浸体を回転させない従来型の薬剤揮散装置(比較例6)の場合、殺虫効力が低く、ファンの風力だけでは揮散効率を高めえないことが確認された。
The chemical volatilization device of the present invention has excellent insecticidal efficacy for a long period of 360 hours without a fan, and is extremely advantageous in terms of production. The breathable carrier is in the range of 300 to 1000 (g / m 2 · mm) when the material is expressed as the basis weight / thickness parameter, and the distance between the sheets is 0.5 mm to 5.0 mm. The range one was more preferred.
In contrast, pyrethroids that are non-volatile at room temperature, such as phenothrin of Comparative Example 1, do not match the chemical volatilization system of the present invention, and if the amount of impregnated drug is less than 30 mg as in Comparative Example 2, the insecticidal efficacy is long. It did not last for a period. Further, as is clear from Comparative Examples 3 and 4, when the rotational speed of the motor is less than 500 rpm, the volatilization efficiency is low. On the other hand, when it exceeds 2000 rpm, the initial volatilization amount is too high, and the durability of the motor is problematic. It was not preferable. Furthermore, the non-breathable drug-impregnated body as in Comparative Example 5 is unsuitable, and in the case of the conventional chemical volatilization device (Comparative Example 6) in which the drug-impregnated body is not rotated, the insecticidal efficacy is low, and the wind power of the fan alone It was confirmed that the volatilization efficiency could not be increased.

本発明の薬剤揮散装置の一例の断面図を示す。Sectional drawing of an example of the chemical volatilization apparatus of this invention is shown.

符号の説明Explanation of symbols

1:薬剤揮散装置、
2:吸液性シート、
3:薬剤含浸体、
4:カートリッジ、
5:モーター、
6:吸気口、
7:排気口、
8:ACアダプター、
9:電源コード、
10:コネクター、
11:乾電池、
12:電源スイッチ、
13:薬剤残量液晶表示器、
14:乾電池残量液晶表示器、
15:CPU用電源回路基盤
1: chemical volatilization device,
2: Absorbent sheet,
3: Drug impregnated body,
4: Cartridge
5: Motor,
6: Inlet,
7: exhaust port,
8: AC adapter,
9: Power cord,
10: Connector,
11: Dry cell,
12: Power switch,
13: Remaining drug LCD,
14: Battery level LCD,
15: Power supply circuit board for CPU

Claims (6)

複数枚の吸液性シートを多層に重ねて形成した通気性担体に、常温揮散性ピレスロイド系薬剤を30〜500mg含有させてなる薬剤含浸体を、カートリッジに収納して500〜2000rpmの速度で回転させるとともに、前記薬剤含浸体に作用する遠心力により該薬剤を揮散させるようになしたことを特徴とする薬剤揮散装置。 A drug-impregnated body containing 30 to 500 mg of a room temperature volatile pyrethroid drug in a breathable carrier formed by stacking a plurality of liquid-absorbent sheets in multiple layers is housed in a cartridge and rotated at a speed of 500 to 2000 rpm. And a chemical volatilization device wherein the chemical is volatilized by a centrifugal force acting on the drug impregnated body. 吸液性シートがセルロース製で、その目付(g/m2)を厚さ(mm)で除したパラメーターで示した時、300〜1000(g/m2・mm)の範囲であることを特徴とする請求項1に記載の薬剤揮散装置。 The liquid-absorbent sheet is made of cellulose, and is characterized by being in the range of 300 to 1000 (g / m 2 · mm) when expressed by a parameter obtained by dividing the basis weight (g / m 2 ) by the thickness (mm). The chemical volatilization device according to claim 1. 多層に重ねた吸液性シートの層間距離が0.5mm〜5.0mmであることを特徴とする請求項1又は2に記載の薬剤揮散装置。 3. The chemical volatilization device according to claim 1, wherein the interlayer distance of the liquid-absorbent sheets stacked in multiple layers is 0.5 mm to 5.0 mm. カートリッジの内周側にファンを具備したことを特徴とする請求項1ないし3のいずれかに記載の薬剤揮散装置。 The chemical volatilization device according to any one of claims 1 to 3, further comprising a fan on an inner peripheral side of the cartridge. 常温揮散性ピレスロイド系薬剤が、一般式(I)
Figure 2005143429

(式中、Xは水素原子又はメチル基を表す。Xが水素原子の時、Yはビニル基、1−プロペニル基、2−メチル−1−プロペニル基、2,2−ジクロロビニル基、2,2−ジフルオロビニル基又は2−クロロ−2−トリフルオロメチルビニル基を表し、Xがメチル基の時、Yはメチル基を表す。また、Zは水素原子、フッ素原子、メチル基、メトキシメチル基又はプロパルギル基を表す)で表されるフッ素置換ベンジルアルコールエステル化合物から選ばれた1種又は2種以上であることを特徴とする請求項1ないし4のいずれかに記載の薬剤揮散装置。
A room temperature volatile pyrethroid is represented by the general formula (I)
Figure 2005143429

(Wherein X represents a hydrogen atom or a methyl group. When X is a hydrogen atom, Y represents a vinyl group, 1-propenyl group, 2-methyl-1-propenyl group, 2,2-dichlorovinyl group, 2, Represents a 2-difluorovinyl group or 2-chloro-2-trifluoromethylvinyl group, and when X is a methyl group, Y represents a methyl group, and Z represents a hydrogen atom, a fluorine atom, a methyl group, or a methoxymethyl group. Or a propargyl group). The drug volatilization device according to any one of claims 1 to 4, which is one or more selected from fluorine-substituted benzyl alcohol ester compounds represented by:
複数枚の吸液性シートを多層に重ねて形成した通気性担体に、常温揮散性ピレスロイド系薬剤を30〜500mg含有させてなる薬剤含浸体を、カートリッジに収納して500〜2000rpmの速度で回転させるとともに、前記薬剤含浸体に作用する遠心力により該薬剤を揮散させることを特徴とする害虫防除方法。 A drug-impregnated body containing 30 to 500 mg of a room temperature volatile pyrethroid drug in a breathable carrier formed by stacking a plurality of liquid-absorbent sheets in multiple layers is housed in a cartridge and rotated at a speed of 500 to 2000 rpm. And a pest control method characterized by causing the chemical to evaporate by a centrifugal force acting on the chemical-impregnated body.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016026495A (en) * 2015-09-16 2016-02-18 大日本除蟲菊株式会社 Agent volatilizing device for preventing cockroach intrusion

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016026495A (en) * 2015-09-16 2016-02-18 大日本除蟲菊株式会社 Agent volatilizing device for preventing cockroach intrusion

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