JP2003250421A - Herbicidal sterilizer using surface discharge and ozone - Google Patents
Herbicidal sterilizer using surface discharge and ozoneInfo
- Publication number
- JP2003250421A JP2003250421A JP2002049194A JP2002049194A JP2003250421A JP 2003250421 A JP2003250421 A JP 2003250421A JP 2002049194 A JP2002049194 A JP 2002049194A JP 2002049194 A JP2002049194 A JP 2002049194A JP 2003250421 A JP2003250421 A JP 2003250421A
- Authority
- JP
- Japan
- Prior art keywords
- weeds
- soil
- ozone
- high voltage
- herbicidal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Landscapes
- Catching Or Destruction (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、除草すると共に土壌を
殺菌できる除草殺菌装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a herbicidal sterilizer capable of weeding and sterilizing soil.
【０００２】[0002]
【従来の技術】田畑や沿道などの大量の除草には除草剤
を散布する方法があり、最近では家庭や学校においても
使用されるようになってきた。2. Description of the Related Art There is a method of spraying a herbicide for a large amount of weeding in fields, roadsides, etc., and recently it has come to be used at home and school.
【０００３】しかし、除草剤の使用は生活環境を汚染
し、食物連鎖により健康やホルモンに与える影響が問題
視されており、この解決のためには雑草を１本１本抜き
取ればよいが、大変な作業になる。However, the use of herbicides pollutes the living environment and influences on health and hormones due to the food chain are problematic. To solve this problem, weeds should be extracted one by one. It will be hard work.
【０００４】一方、今後の高齢化社会においては、田畑
や地域社会あるいは家庭などの除草作業も社会的課題の
一つになることが予測される。他方、焼却炉の使用が禁
止になった学校現場において、二次的作業を必要としな
い除草作業が重要視される。まさに除草剤に代わる環境
および高齢者に優しい方法の開発が期待される。On the other hand, in the aging society in the future, weeding work in fields, local communities, and homes is expected to be one of the social issues. On the other hand, weeding work that does not require secondary work is emphasized at school sites where the use of incinerators is prohibited. The development of environmentally friendly and elderly friendly alternatives to exactly herbicides is expected.
【０００５】そこで、近年では特開平３−８３５３４号
公報に開示されたように、高電圧電極と土壌との間にパ
ルス状高電圧又は直流高電圧を印加して火花放電を発生
させ、火花放電により雑草を枯らして除去すると共に、
土壌の根の付近の土壌を高電界強度域とすることによっ
て土壌の殺菌を行う雑草除去殺菌装置が開発された。Therefore, in recent years, as disclosed in Japanese Patent Application Laid-Open No. 3-83534, a pulsed high voltage or a direct current high voltage is applied between a high voltage electrode and soil to generate spark discharge, and spark discharge is generated. Kills and removes weeds by
A weed removing and sterilizing device has been developed that sterilizes the soil by setting the soil near the root of the soil to a high electric field strength region.
【０００６】その他に、特開平６−２２６７２号公報に
開示されたように、雑草に直接放電させない特徴がある
が、原理的には特開平３−８３５３４号と同様であり、
電極と高電圧電源の間に第一の放電ギャップを設け、電
極を雑草に接触および近づけることにより放電ギャップ
に火花放電させる方法である。しかし、安全性確保の面
から第２の放電ギャップを設けた点やイグニッションコ
イルを用いて高圧電源の小型軽量化を図っている点に新
規制がある。In addition, as disclosed in JP-A-6-22672, there is a feature that the weeds are not directly discharged, but in principle, it is the same as in JP-A-3-83534,
This is a method in which a first discharge gap is provided between an electrode and a high-voltage power source, and the electrode is brought into contact with and brought close to a weed to cause a spark discharge in the discharge gap. However, from the viewpoint of ensuring safety, there are new regulations in that the second discharge gap is provided and that the ignition coil is used to reduce the size and weight of the high-voltage power supply.
【０００７】[0007]
【発明が解決しようとする課題】本発明は、火花放電を
用いた従来の方法と異なり、沿面放電およびオゾンの両
者を用いた新しい方法により除草および土壌を殺菌する
ことを提供することを目的とする。さらに、この方法に
より高電圧による安全の確保および小型軽量化を容易に
実現できる。SUMMARY OF THE INVENTION It is an object of the present invention to provide sterilization of weeds and soil by a new method using both creeping discharge and ozone, which is different from the conventional method using spark discharge. To do. Furthermore, this method can easily ensure safety by high voltage and reduce the size and weight.
【０００８】[0008]
【課題を解決する手段】本発明は、上記の目的を達成す
るために、厚みの小さい誘電体の片面に箔状の電極を張
り付け、もう一方の面を雑草に接触させると共に電極に
高周波高電圧電源を接続し、その電源のもう一方を雑草
の近傍の土壌に接地して、高周波高電圧を印加すること
により、雑草に沿面放電を発生させると共にオゾンを発
生させ、両者により除草および土壌を殺菌するものであ
る。In order to achieve the above-mentioned object, the present invention has a foil-like electrode attached to one side of a dielectric having a small thickness, the other side of which is brought into contact with weeds, and a high-frequency high voltage is applied to the electrode. Connect a power supply, ground the other side of the power supply to the soil near the weeds, and apply a high-frequency high voltage to generate creeping discharge and ozone in the weeds. To do.
【０００９】[0009]
【作用】上記の構成によれば、根ぎわから葉が放射状に
出て、地面に広がっているロゼッタ型の雑草において、
除去の効果が顕著であり、電極に高周波高電圧を印加す
ると、葉っぱに点在する沿面放電が発生すると同時にオ
ゾンが発生し、両者により除草できる。また、オゾンの
殺菌作用により土壌を殺菌できる。According to the above structure, in the rosetta type weeds in which leaves are radially emitted from the root wrinkles and spread to the ground,
The effect of removal is remarkable, and when a high-frequency high voltage is applied to the electrodes, creeping discharges scattered on the leaves occur and ozone is generated at the same time, and both can be weeded. In addition, the soil can be sterilized by the sterilizing action of ozone.
【００１０】オゾンにより雑草が枯れることは、密閉し
た容器に雑草を植えた鉢を入れて、オゾン発生器により
その容器にオゾンを流入すると、葉っぱは白っぽく丸ま
って、やがて風化するように跡形もなくなることが実験
から分かった。When weeds are killed by ozone, when weeds are planted in a closed container and ozone is flown into the container by an ozone generator, the leaves are whitish and disappear without traces. It turned out from the experiment.
【００１１】本発明においては、沿面放電により葉っぱ
に損傷を受けると同時に変色し、やがて葉っぱは白っぽ
く丸まってくるなど、上記実験結果と類似性のある結果
が得られたので、沿面放電とオゾンの両者による除草の
効果と断定した。In the present invention, the leaves were damaged by the creeping discharge and discolored at the same time, and then the leaves became whitish and curled up. It was concluded that the effects of weeding by both were effective.
【００１２】[0012]
【実施例】以下、本発明の好適実施例を添付図面に基づ
いて説明する。図１において、１は土壌、２は雑草で、
平板状の電極部３が雑草と接触している状態を示し、そ
の接触している面に沿面放電が発生させると同時にオゾ
ンが発生する。また、電極部３の構造は箔状の導体３２
を誘電体３１に張り付け、その導体３２はリード線４を
介して高周波高電圧発生装置５に接続され、その高周波
高電圧発生装置５がリード線６を介して土壌１に接地棒
７で接地され、感電防止のため導体は絶縁物３３で覆っ
た。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, 1 is soil, 2 is weed,
The flat plate-shaped electrode part 3 shows a state where it is in contact with a weed, and a creeping discharge is generated on the contacted surface, and at the same time ozone is generated. In addition, the structure of the electrode portion 3 has a foil-shaped conductor 32.
Is attached to the dielectric 31 and the conductor 32 is connected to the high frequency high voltage generator 5 via the lead wire 4, and the high frequency high voltage generator 5 is grounded to the soil 1 via the lead wire 6 with the ground rod 7. The conductor is covered with an insulator 33 to prevent electric shock.
【００１３】図２は図１を活用した実施例である。FIG. 2 shows an embodiment utilizing FIG.
【００１４】図３は本発明の他の実施例を示し、円筒状
の誘電体３１の内側の面に箔状の導体を張り付け、同心
円筒状の放電部を形成し、この放電部を回転させて、そ
の接触する面に沿面放電を発生させると同時にオゾンを
発生させる。FIG. 3 shows another embodiment of the present invention. A foil-shaped conductor is attached to the inner surface of a cylindrical dielectric 31 to form a concentric cylindrical discharge part, and this discharge part is rotated. Then, a creeping discharge is generated on the contact surface and ozone is generated at the same time.
【００１５】図４は図３を活用した実施例である。FIG. 4 shows an embodiment utilizing FIG.
【００１６】図５は本発明の他の実施例を示し、円錐状
の誘電体３１の内側の面に箔状の導体を張り付け、円錐
状の放電部を形成し、丈の高い雑草に側面から接触させ
沿面放電を発生させると同時にオゾンを発生させる。FIG. 5 shows another embodiment of the present invention, in which a foil-shaped conductor is attached to the inner surface of a conical dielectric 31 to form a conical discharge part, and a tall weed is viewed from the side. Contact is made to generate a creeping discharge and at the same time ozone is generated.
【００１７】図６は本発明の他の実施例を示し、誘電体
３１に凹凸をつけることにより、より葉っぱ全体にオゾ
ンを発生させる。この実施例は、平行板や円筒状の電極
板にも使用できる。FIG. 6 shows another embodiment of the present invention, in which the dielectric 31 is made uneven so that ozone is generated more in the entire leaf. This embodiment can also be used for parallel plates and cylindrical electrode plates.
【００１８】図７は高周波高電圧回路の具体的な構成を
示すもので、バッテリー、三端子レギュレータ７５０５
およびＬＭ３５０で構成された直流２４Ｖおよび５Ｖを
供給するバッテリー対応直流電源５１、ＩＣ７４００を
用いた発振回路５２で１５ｋＨｚ８の方形波を発生さ
せ、その信号によりトランジスター５３および５４をス
イッチングさせ、誘導コイル５５の１次側に断続した電
流を流し、２次側にピークピーク値で６ｋＶ、周波数１
５ｋＨｚの高周波高電圧が現れる。その出力電圧は端子
５６をリード線４に接続し、電極部３に供給され、接地
端子５７は接地線６を介して接地棒７に接続される。ま
た、誘導コイル５５にはフェライトコアを用いたこと
で、小型軽量化を図ることができ、安全上も、２次電流
は０．５ｍＡ程度であり、感電に伴い事故に至る危険は
ほとんどない。FIG. 7 shows a specific structure of a high frequency high voltage circuit, which is a battery and a three-terminal regulator 7505.
A DC power supply 51 for supplying DC 24V and 5V composed of LM350 and an oscillating circuit 52 using an IC7400 generate a square wave of 15kHz8, and a transistor 53 and 54 of the induction coil 55 is switched by the signal. An intermittent current is applied to the primary side, and a peak-peak value of 6 kV is applied to the secondary side at a frequency of 1.
A high frequency high voltage of 5 kHz appears. The output voltage connects the terminal 56 to the lead wire 4 and is supplied to the electrode portion 3, and the ground terminal 57 is connected to the ground rod 7 via the ground wire 6. Further, by using a ferrite core for the induction coil 55, it is possible to reduce the size and weight, and for safety, the secondary current is about 0.5 mA, and there is almost no risk of an accident due to electric shock.
【００１９】次に図１の実験結果を説明する。接地極９
を土壌に差し込み、その近傍の土壌に生えた雑草のセイ
ヨウタンポポの葉を平板状の電極部３の誘電体３１に接
触させ、箔状の導体３２にピークピーク値６ｋＶ、周波
数１５ｋＨｚの高周波高電圧を印加すると、雑草２と誘
電体３１が接触している面に沿面放電が発生すると同時
にオゾンが発生し、両者の作用により、葉は萎れて白っ
ぽく変色し、やがて丸まった状態になり、１週間する
と、雑草は風化するように跡形もなくなった。１ヶ月間
再生することはなかった。その他にオオバコやオオアレ
チノギクなどのようにロゼット型の雑草が大変よく枯れ
た。Next, the experimental results of FIG. 1 will be described. Ground electrode 9
Is inserted into the soil, the leaves of the dandelion of weeds growing on the soil in the vicinity are brought into contact with the dielectric 31 of the plate-shaped electrode portion 3, and a high-frequency high voltage with a peak-peak value of 6 kV and a frequency of 15 kHz is applied to the foil-shaped conductor 32. When applied, a creeping discharge is generated on the surface where the weeds 2 and the dielectric 31 are in contact with each other, and ozone is generated at the same time. Due to the action of both, the leaves are wilted and discolored whitish, eventually becoming a curled state, and after one week , The weeds disappeared as the weathered. It didn't play for a month. In addition, rosette-type weeds such as psyllium and plantain are very well withered.
【００２０】[0020]
【発明の効果】以上の説明したことから明らかなように
本発明には次のごとき優れた効果を発揮する。
（１）電極部に雑草を接触させることで、葉などに多数
の沿面放電を発生させると同時にオゾンを発生させ、雑
草を枯らし、除草および土壌の殺菌ができる。
（２）雑草や土壌と接する誘電体の表面を加工し、凹凸
をつけ、葉っぱの全域に沿面放電とオゾンを発生させ、
効率的に雑草を枯らすことができる。
（３）沿面放電を利用したことで、フェライトコアを用
いた汎用の高電圧回路が利用でき、高電圧に対する安全
の確保および小型軽量化が容易に実現できる。As is clear from the above description, the present invention exhibits the following excellent effects. (1) By bringing weeds into contact with the electrode portions, a large number of creeping discharges are generated on leaves and the like, and at the same time ozone is generated, the weeds are killed, and weeding and soil can be sterilized. (2) The surface of the dielectric that contacts weeds and soil is processed to make it uneven, and creeping discharge and ozone are generated over the entire leaves,
Weeds can be effectively killed. (3) By using creeping discharge, a general-purpose high-voltage circuit using a ferrite core can be used, and it is possible to easily secure safety against high voltage and reduce the size and weight.
【００２１】[0021]
【図１】この発明の一実施例を示す図FIG. 1 is a diagram showing an embodiment of the present invention.
【図２】図１の実施例を活用した実施例を示す図FIG. 2 is a diagram showing an embodiment utilizing the embodiment of FIG.
【図３】本発明の他の実施例を示す図FIG. 3 is a diagram showing another embodiment of the present invention.
【図４】図３の実施例を活用した実施例を示す図FIG. 4 is a diagram showing an embodiment utilizing the embodiment of FIG.
【図５】本発明の他の実施例を示す図FIG. 5 is a diagram showing another embodiment of the present invention.
【図６】本発明の他の実施例を示す図FIG. 6 is a diagram showing another embodiment of the present invention.
【図７】高周波高圧発生装置の例を示す図FIG. 7 is a diagram showing an example of a high-frequency and high-voltage generator.
１：土壌 ２：雑草 ３：電極部 ５：高周波高電圧発生装置 ７：接地棒 1: soil 2: Weed 3: Electrode part 5: High frequency high voltage generator 7: Ground rod
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） Ｃ０１Ｂ 13/10 Ｃ０１Ｂ 13/10 Ｄ 13/11 13/11 Ｇ (72)発明者 小路 靖孝 山口県下関市新垢田西町一丁目２番20号 (72)発明者 高山 篤史 山口県豊浦郡菊川町大字下岡枝246番地 (72)発明者 竹田 雅洋 山口県豊浦郡豊浦町大字川棚5866番地の10 (72)発明者 徳永 和也 山口県下関市綾羅木南町三丁目６番15号 (72)発明者 町野 勇太 山口県下関市安岡本町二丁目５番６号 Ｆターム(参考） 2B121 AA19 AA20 BA21 BB25 CC03 CC05 CC37 DA19 FA05 FA15 4C058 AA30 BB07 EE03 JJ14 JJ21 4G042 CA01 CC04 CC09 CE04 4H011 AA01 AB01 BB18 DA22 DD03 DD04 DE17 ─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. 7 Identification code FI theme code (reference) C01B 13/10 C01B 13/10 D 13/11 13/11 G (72) Inventor Yasutaka Koji Shimonoseki City, Yamaguchi Prefecture Shinpakutanishicho 1-2-20 (72) Inventor Atsushi Takayama 246 Shimookaeda, Kikugawa-cho, Toyoura-gun, Yamaguchi Prefecture (72) Inventor Masahiro Takeda 1086, 5866 Kawatana, Toyoura-cho, Toyoura-gun, Yamaguchi Prefecture (72) Inventor Tokunaga Kazuya 3-6-15 Ayaraki Minami-cho, Shimonoseki City, Yamaguchi Prefecture (72) Inventor Yuta Machino 2-5-6 Yasuokahonmachi, Shimonoseki City, Yamaguchi Prefecture (reference) 2B121 AA19 AA20 BA21 BB25 CC03 CC05 CC37 DA19 FA05 FA15 4C058 AA30 BB07 EE03 JJ14 JJ21 4G042 CA01 CC04 CC09 CE04 4H011 AA01 AB01 BB18 DA22 DD03 DD04 DE17
Claims (3)
張り付け、もう一方の面を雑草に接触させると共に高周
波高電圧発生装置を接続し、その電源を雑草の近傍の土
壌に接地して、高周波高電圧を電極に印加することによ
り誘電体と雑草や土壌との接触面に沿面放電を発生させ
ると共にオゾンを発生させることを特徴とした除草殺菌
装置。1. A foil-shaped electrode is attached to one surface of a dielectric having a small thickness, the other surface is brought into contact with weeds, a high-frequency high-voltage generator is connected, and the power source is grounded to the soil near the weeds. Then, a high frequency high voltage is applied to the electrodes to generate a creeping discharge on the contact surface between the dielectric and the weeds or the soil, and at the same time, generate ozone.
し、凹凸をつけ、葉っぱの全域に沿面放電とオゾンを発
生させ、効率的に雑草を枯らす請求項１記載の除草殺菌
装置。2. The herbicidal sterilizer according to claim 1, wherein the surface of the dielectric material that comes into contact with weeds and soil is processed to make it uneven, and creeping discharge and ozone are generated over the entire leaves to efficiently kill the weeds.
アを用いた汎用の高電圧回路が利用でき、高電圧に対す
る安全の確保および小型軽量化が容易に実現した請求項
１記載の除草殺菌装置。3. The weed sterilizer according to claim 1, wherein a general-purpose high-voltage circuit using a ferrite core can be used by utilizing creeping discharge, and it is possible to easily secure safety against high voltage and reduce the size and weight. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002049194A JP2003250421A (en) | 2002-02-26 | 2002-02-26 | Herbicidal sterilizer using surface discharge and ozone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002049194A JP2003250421A (en) | 2002-02-26 | 2002-02-26 | Herbicidal sterilizer using surface discharge and ozone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003250421A true JP2003250421A (en) | 2003-09-09 |
Family
ID=28661770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002049194A Pending JP2003250421A (en) | 2002-02-26 | 2002-02-26 | Herbicidal sterilizer using surface discharge and ozone |
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| Country | Link |
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| JP (1) | JP2003250421A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011148753A (en) * | 2010-01-25 | 2011-08-04 | Koichi Arai | Weeding device |
| WO2014141400A1 (en) * | 2013-03-13 | 2014-09-18 | 株式会社サンワハイテック | Ozone-generating spray device, and backpack-type ozone sterilization device |
| JP2015139430A (en) * | 2014-01-30 | 2015-08-03 | 株式会社マキタ | working machine |
| WO2015114884A1 (en) * | 2014-01-30 | 2015-08-06 | 株式会社マキタ | Working machine |
| WO2016016627A1 (en) * | 2014-07-29 | 2016-02-04 | Ubiqutek Ltd | Apparatus and method for electrically killing plants |
| EP3415004A1 (en) | 2017-06-14 | 2018-12-19 | Birchmeier Sprühtechnik AG | Weed control |
| JP2020080729A (en) * | 2018-11-26 | 2020-06-04 | 株式会社クボタ | Weeding machine |
| JP2020080732A (en) * | 2018-11-26 | 2020-06-04 | 株式会社クボタ | Weeding machine |
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