JP4421988B2 - Electrostatic spray nozzle - Google Patents

Electrostatic spray nozzle Download PDF

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JP4421988B2
JP4421988B2 JP2004281257A JP2004281257A JP4421988B2 JP 4421988 B2 JP4421988 B2 JP 4421988B2 JP 2004281257 A JP2004281257 A JP 2004281257A JP 2004281257 A JP2004281257 A JP 2004281257A JP 4421988 B2 JP4421988 B2 JP 4421988B2
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electrode
cover
nozzle
waterproof
spray
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JP2006095357A (en
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慎二 八塚
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Arimitsu Industry Co Ltd
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Description

この発明は、農薬等の噴霧に用いる静電散布ノズルに関する。   The present invention relates to an electrostatic spray nozzle used for spraying agricultural chemicals and the like.

農薬等の噴霧において、ノズル本体の噴霧口近傍に電極を配置し、この電極に高電圧をかけることによってアース電位の噴霧薬液に電荷をかけ、作物への付着率を向上させるようにした静電散布ノズルが使用されている。   In spraying pesticides, etc., an electrode is placed near the spray port of the nozzle body, and a high voltage is applied to this electrode to charge the spray chemical solution at ground potential and improve the adhesion rate to crops. A spray nozzle is used.

従来の静電散布ノズルａは、図２に示すように、ノズル本体１の噴霧口１ａの外側に円筒状の非導電性カバー２を取付け、このカバー２をノズル本体１側に固定する筒状のカバー本体３と、このカバー本体３の先端側に外嵌螺合した筒状の先端キャップ４とで形成し、円筒状の電極５を噴霧口１ａの前方の周囲に位置するようカバー本体３の内周面側に配置し、この電極５をカバー本体３に対する先端キャップ４の螺締によって固定し、前記電極５に高電圧を供給する電線６を接続した構造になっている。   As shown in FIG. 2, the conventional electrostatic spray nozzle a has a cylindrical shape in which a cylindrical nonconductive cover 2 is attached to the outside of the spray port 1a of the nozzle body 1 and the cover 2 is fixed to the nozzle body 1 side. The cover main body 3 and a cylindrical tip cap 4 that is externally screwed onto the front end side of the cover main body 3 are formed, and the cover main body 3 is positioned so that the cylindrical electrode 5 is positioned around the front of the spray port 1a. The electrode 5 is fixed by screwing the tip cap 4 to the cover body 3, and an electric wire 6 for supplying a high voltage is connected to the electrode 5.

この静電散布ノズルａは、ノズル本体１の噴霧口１ａから薬液を噴霧するとき、電極５に電線６を介して外部から高電圧をかけることによってアース電位の噴霧薬液ｂに電荷をかけ、これにより、帯電した薬液ｂの作物への付着率を向上させることができる。   When spraying the chemical solution from the spray port 1a of the nozzle body 1, the electrostatic spray nozzle a applies a high voltage from the outside to the electrode 5 through the electric wire 6 to charge the spray chemical solution b at the ground potential. Thus, the adhesion rate of the charged chemical solution b to the crop can be improved.

ところで、上記した従来の静電散布ノズルａは、カバー２の内周面において電極５が露出し、人体に触れる状態になっているため、薬液ｂの噴霧中に人体が電極５に触れると感電する恐れがある。   By the way, in the above-described conventional electrostatic spray nozzle a, the electrode 5 is exposed on the inner peripheral surface of the cover 2 and is in a state of touching the human body. There is a fear.

また、電極５がカバー２の内周面において露出しているので、電極５が噴霧薬液ｂで濡れることにより、電極５に直接触れなくても水滴に触れることによって感電の恐れがあり、更に、薬液ｂと電極５間で漏電して電圧が降下し、静電の効果がなくなる現象が発生するという問題がある。   Further, since the electrode 5 is exposed on the inner peripheral surface of the cover 2, there is a risk of electric shock by touching water droplets even if the electrode 5 is not directly touched by being wet with the spray chemical b, There is a problem in that a phenomenon occurs in which a leakage occurs between the chemical liquid b and the electrode 5 and the voltage drops, and the effect of static electricity is lost.

そこで、この発明の課題は、電極を完全な防水の隠蔽状態にすることにより、感電の事故を防止することができると共に、漏電による電圧の降下の発生がない静電散布ノズルを提供することにある。   Therefore, an object of the present invention is to provide an electrostatic spray nozzle that can prevent an electric shock accident by making the electrode completely waterproof and concealed, and that does not cause a voltage drop due to leakage. is there.

上記のような課題を解決するため、この発明は、ノズル本体の噴霧口近傍に電極を配置し、この電極からの高電圧によってアース電位の噴霧流体を帯電させるようにした静電散布ノズルにおいて、前記ノズル本体の外側に、このノズル本体を覆う非導電性カバーを取付け、この非導電性カバーが、ノズル本体側に固定した筒状のカバー本体と、このカバー本体の先端側に外嵌螺合した筒状の先端キャップとで形成され、前記カバー本体と先端キャップの嵌合面間に、円筒状に形成した電極と、この電極を挟む両側の位置に防水用のシールを組み込み、前記電極を非導電性カバーの厚み内に隠蔽して防水状に収め、前記カバー本体の厚みを電極と接続した電線が貫通し、この電線のカバー本体から外部に引き出された部分を防水プラグで止水した構成を採用したものである。 In order to solve the problems as described above, the present invention provides an electrostatic spray nozzle in which an electrode is disposed in the vicinity of a spray port of a nozzle body, and a ground potential spray fluid is charged by a high voltage from the electrode. A non-conductive cover that covers the nozzle body is attached to the outside of the nozzle body, and the non-conductive cover is screwed onto the end of the cover body and a cylindrical cover body fixed to the nozzle body. A cylindrical tip cap, and a cylindrical electrode between the fitting surface of the cover body and the tip cap, and waterproof seals are incorporated at positions on both sides of the electrode, Covered within the thickness of the non-conductive cover and stored in a waterproof form, the wire connected to the electrode penetrates the thickness of the cover body, and the portion of the wire drawn out from the cover body is stopped with a waterproof plug. It is obtained by employing the structure.

この発明によると、電極をノズル本体の外側を覆う非導電性カバーの厚み内に隠蔽して防水状に収めたので、電極の絶縁状態の維持と外部への露出防止により、人体がカバーに触れたり水滴に触れても感電の危険性はなくなる。   According to the present invention, since the electrode is concealed within the thickness of the non-conductive cover that covers the outside of the nozzle body and stored in a waterproof state, the human body touches the cover by maintaining the insulating state of the electrode and preventing exposure to the outside. The risk of electric shock disappears even if you touch water drops.

また、電極は防水されているので電気絶縁状態となり、薬液と電極間で漏電して電圧が降下するようなことがなく、確実に静電の効果を維持することができる。   In addition, since the electrode is waterproof, it is in an electrically insulated state, and there is no possibility of a voltage drop due to leakage between the chemical solution and the electrode, so that the electrostatic effect can be reliably maintained.

以下、この発明の実施の形態を添付図面の図１に基づいて説明する。   Embodiments of the present invention will be described below with reference to FIG. 1 of the accompanying drawings.

図示のように、この発明の静電散布ノズルＡは、薬液タンクと接続した散布管１１の先端に装着して薬液ｂを噴霧するノズル本体１２に、噴霧口１２ａの外周から前方の外側を覆う非導電性のカバー１３を取付け、このカバー１３の厚み内に、噴霧口１２ａの前部で周囲に位置する電極１４を隠蔽して防水状に収め、電極１４には高電圧を供給する電線１５が接続され、この電線１５のカバー１３から外部に引出される部分は、防水プラグ１６によって止水されている。   As shown in the figure, the electrostatic spray nozzle A of the present invention covers the front outer side from the outer periphery of the spray port 12a to the nozzle body 12 that is attached to the tip of the spray pipe 11 connected to the chemical tank and sprays the chemical b. A non-conductive cover 13 is attached, and the electrode 14 located around the front of the spray port 12a is concealed in the thickness of the cover 13 so as to be waterproof, and an electric wire 15 for supplying a high voltage to the electrode 14 The portion of the electric wire 15 that is drawn out from the cover 13 is stopped by a waterproof plug 16.

図１に示す実施の形態は、カバー１３が、ノズル本体１２側に外嵌してビス１７等で固定する筒状のカバー本体１８と、このカバー本体１８の先端側に外嵌螺合した筒状の先端キャップ１９とからなり、これらカバー本体１８と先端キャップ１９は材料に合成樹脂を用い、円筒状に形成した電極１４をカバー本体１８と先端キャップ１９の嵌合面間に収め、このカバー本体１８と先端キャップ１９の嵌合面間で電極１４を挟む両側の位置にＯリング等の防水用のシール２０を組み込み、電極１４を絶縁と防水状態に隠蔽した構造になっている。   In the embodiment shown in FIG. 1, a cover 13 has a cylindrical cover main body 18 that is externally fitted to the nozzle main body 12 side and fixed with screws 17 or the like, and a cylinder that is externally screwed to the distal end side of the cover main body 18. The cover body 18 and the tip cap 19 are made of synthetic resin, and the cylindrically formed electrode 14 is placed between the fitting surfaces of the cover body 18 and the tip cap 19. A waterproof seal 20 such as an O-ring is incorporated at positions on both sides of the electrode 14 between the fitting surface of the main body 18 and the tip cap 19 so that the electrode 14 is concealed in an insulated and waterproof state.

上記カバー本体１８には、電極１４に接続して高電圧を供給する電線１５の挿入孔２１が設けられ、この電線１５のカバー本体１８から外部に引出される部分は、防水プラグ１６によって止水されている。   The cover body 18 is provided with an insertion hole 21 for an electric wire 15 that is connected to the electrode 14 and supplies a high voltage. A portion of the electric wire 15 that is drawn out from the cover body 18 is stopped by a waterproof plug 16. Has been.

この発明の静電散布ノズルＡは、上記のような構成であり、散布管１１の先端に装着した状態で薬液ｂを散布するとき、電極１４に高電圧をかけることによってアース電位の噴霧薬液ｂに電荷をかけ、薬液ｂの作物への付着率を向上させるものであり、電極１４が絶縁と防水状態に隠蔽されているので、人体がカバー１３に触れたり水滴に触れても感電の危険性はなくなる。   The electrostatic spray nozzle A of the present invention is configured as described above, and when spraying the chemical liquid b in a state of being attached to the tip of the spray pipe 11, the spray chemical liquid b having the ground potential is applied by applying a high voltage to the electrode 14. The electrode 14 is concealed in an insulating and waterproof state so that even if the human body touches the cover 13 or touches water droplets, there is a risk of electric shock. Will disappear.

また、電極１４を防水状態とすることにより、電極１４が噴霧薬液ｂで濡れることがなく、薬液ｂと電極１４間の漏電で電圧が降下することがないので、薬液噴霧時の静電効果を維持することができる。   Further, by making the electrode 14 waterproof, the electrode 14 does not get wet with the spray chemical liquid b, and the voltage does not drop due to electric leakage between the chemical liquid b and the electrode 14. Can be maintained.

この発明の静電散布ノズルを示す縦断正面図Longitudinal front view showing the electrostatic spray nozzle of this invention 従来の静電散布ノズルを示す縦断正面図Longitudinal front view showing a conventional electrostatic spray nozzle

Ａ 静電散布ノズル
１１ 散布管
１２ ノズル本体
１２ａ 噴霧口
１３ カバー
１４ 電極
１５ 電線
１６ 防水プラグ
１７ ビス
１８ カバー本体
１９ 先端キャップ
２０ 防水用のシール
２１ 挿入孔 A Electrostatic spray nozzle 11 Spray pipe 12 Nozzle body 12a Spray port 13 Cover 14 Electrode 15 Electric wire 16 Waterproof plug 17 Screw 18 Cover body 19 Tip cap 20 Waterproof seal 21 Insertion hole

Claims (1)

ノズル本体の噴霧口近傍に電極を配置し、この電極からの高電圧によってアース電位の噴霧流体を帯電させるようにした静電散布ノズルにおいて、
前記ノズル本体の外側に、このノズル本体を覆う非導電性カバーを取付け、この非導電性カバーが、ノズル本体側に固定した筒状のカバー本体と、このカバー本体の先端側に外嵌螺合した筒状の先端キャップとで形成され、前記カバー本体と先端キャップの嵌合面間に、円筒状に形成した電極と、この電極を挟む両側の位置に防水用のシールを組み込み、前記電極を非導電性カバーの厚み内に隠蔽して防水状に収め、前記カバー本体の厚みを電極と接続した電線が貫通し、この電線のカバー本体から外部に引き出された部分を防水プラグで止水したことを特徴とする静電散布ノズル。 In an electrostatic spray nozzle in which an electrode is disposed in the vicinity of the spray port of the nozzle body, and a grounding potential spray fluid is charged by a high voltage from this electrode,
A non-conductive cover that covers the nozzle body is attached to the outside of the nozzle body, and the non-conductive cover is screwed onto the end of the cover body and a cylindrical cover body fixed to the nozzle body. A cylindrical tip cap, and a cylindrical electrode between the fitting surface of the cover body and the tip cap, and waterproof seals are incorporated at positions on both sides of the electrode, Covered within the thickness of the non-conductive cover and stored in a waterproof state, the wire connected to the electrode penetrates the thickness of the cover body, and the portion of the wire drawn out from the cover body was stopped with a waterproof plug An electrostatic spray nozzle characterized by that.
JP2004281257A 2004-09-28 2004-09-28 Electrostatic spray nozzle Active JP4421988B2 (en)

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JP2008320825A Division JP4520525B2 (en) 2008-12-17 2008-12-17 Electrostatic spray nozzle
JP2009105323A Division JP4469915B2 (en) 2009-04-23 2009-04-23 Electrostatic spray nozzle

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JP4421988B2 true JP4421988B2 (en) 2010-02-24

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Publication number Priority date Publication date Assignee Title
JP5899549B2 (en) * 2010-06-24 2016-04-06 有光工業株式会社 Spraying equipment
JP7175488B2 (en) * 2017-07-18 2022-11-21 有光工業株式会社 Electrostatic spraying nozzle, electrostatic spraying device, and spraying method of electrostatic spraying device

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