JP2016187764A - Ultrasonic atomization device - Google Patents
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本発明は、超音波振動子により液体を霧化する超音波霧化装置に関し、より詳しくは、超音波振動子の表面に異物が付着することを防止する構造を備えた超音波霧化装置に関する。 The present invention relates to an ultrasonic atomizer that atomizes a liquid using an ultrasonic vibrator, and more particularly to an ultrasonic atomizer that has a structure that prevents foreign matter from adhering to the surface of an ultrasonic vibrator. .
超音波振動子の振動エネルギーによって液体を霧化する装置は従来から提案されている。 An apparatus for atomizing a liquid using vibration energy of an ultrasonic vibrator has been proposed.
図１は、従来型の超音波霧化装置の一例を示した断面図である。図示されるように、環状のホルダ１０２によって保持された超音波振動子１０１は、固定部材１０３によって、霧化液槽１００の底面に設けられた開口部１０５に固定されている。超音波振動子１０１は発振器（図示せず）から供給される高周波電力によって振動し、霧化液槽１００内の液体を霧化する。霧化された液体は、液体の表面から霧状に発散される。 FIG. 1 is a cross-sectional view showing an example of a conventional ultrasonic atomizer. As shown in the figure, the ultrasonic transducer 101 held by the annular holder 102 is fixed to an opening 105 provided on the bottom surface of the atomizing liquid tank 100 by a fixing member 103. The ultrasonic vibrator 101 is vibrated by high frequency power supplied from an oscillator (not shown), and atomizes the liquid in the atomizing liquid tank 100. The atomized liquid is emitted in a mist form from the surface of the liquid.
ところで、超音波振動子によって霧化することができる液体は純水に限られず、具体的には特許文献１（特開２００６−２８８９２１号公報）に示されるような洗剤液の他、井戸水や肥液といった液体であっても霧化することができる。 By the way, the liquid that can be atomized by the ultrasonic vibrator is not limited to pure water. Specifically, in addition to the detergent liquid shown in Patent Document 1 (Japanese Patent Laid-Open No. 2006-288921), well water and fertilizer Even a liquid such as a liquid can be atomized.
しかしながら、洗剤液、井戸水又は肥液といった液体は不純物や無機質成分等を含有していることから、超音波振動子が停止中又は停止後に振動面又はその周囲部にそれらが沈殿又は析出することにより、図１において符号１０４で示されるように、超音波振動子の振動面に付着して堆積又は固着する。そして、超音波振動子の振動面に堆積物又は固着物が存在すると、超音波振動子による霧化性能の低下を引き起こす他、超音波振動子そのものの故障を引き起こす要因にもなる。そのため、定期的に堆積物又は固着物を除去又は清掃する必要があった。 However, since liquids such as detergent liquid, well water or fertilizer contain impurities, inorganic components, etc., they may precipitate or deposit on the vibration surface or its surroundings during or after the ultrasonic vibrator is stopped. As shown by the reference numeral 104 in FIG. 1, it adheres to or adheres to the vibration surface of the ultrasonic transducer. If deposits or sticking objects are present on the vibration surface of the ultrasonic vibrator, the atomization performance of the ultrasonic vibrator is reduced, and the ultrasonic vibrator itself may be damaged. Therefore, it has been necessary to remove or clean deposits or sticking matters periodically.
そこで、図２や特許文献２（特開２００９−１３６４１９号公報）に示されるように、傾斜を備えるように超音波振動子１０１を配設することで、液体中に含有される不純物や無機質成分等が超音波振動子の振動面に堆積又は固着することを防止する技術が提案されている。 Therefore, as shown in FIG. 2 and Patent Document 2 (Japanese Patent Laid-Open No. 2009-136419), by disposing the ultrasonic vibrator 101 so as to have an inclination, impurities and inorganic components contained in the liquid A technique for preventing or the like from depositing or sticking to the vibration surface of the ultrasonic vibrator has been proposed.
しかしながら、傾斜を備えるように超音波振動子１０１を配設することで振動面の中心付近において液体中に含有される不純物や無機質成分等が堆積又は固着することを防止できても、振動面の下方部、即ち振動面の垂直方向の位置関係における相対的に低い部位においては堆積又は固着することを防止することができなかった。 However, even if it is possible to prevent the impurities or inorganic components contained in the liquid from being deposited or fixed near the center of the vibration surface by disposing the ultrasonic vibrator 101 so as to have an inclination, It was not possible to prevent deposition or sticking at the lower portion, that is, at a relatively low portion in the vertical positional relationship of the vibration surface.
また、霧化液中の気泡についても、超音波振動子の振動面に付着した場合には超音波振動子そのものの故障を引き起こす要因となっていた。 Further, the bubbles in the atomized liquid also cause a failure of the ultrasonic transducer itself when adhering to the vibration surface of the ultrasonic transducer.
本発明は、以上のような事情に鑑みてなされたものである。即ち、本発明は、超音波振動子の振動面における中心付近のみならず、振動面の垂直方向の位置関係における相対的に低い部位においても、液体中に含有される不純物や無機質成分等が堆積又は固着することを効果的に防止することができる超音波霧化装置を提供することを目的とする。 The present invention has been made in view of the above circumstances. That is, the present invention deposits impurities, inorganic components, etc. contained in the liquid not only in the vicinity of the center of the vibration surface of the ultrasonic vibrator but also in a relatively low part in the vertical positional relationship of the vibration surface. Or it aims at providing the ultrasonic atomizer which can prevent sticking effectively.
以上の課題を解決するために、本発明に係る超音波霧化装置は、傾斜した底面に開口部を備えた霧化液を入れる霧化液槽と、霧化液を超音波振動で霧化する超音波振動子と、超音波振動子を高周波電力によって振動させるための発振器と、超音波振動子を保持する環状のホルダと、開口部に中心線を合わせて超音波振動子を取り付けるようにホルダを霧化液槽に固定する固定部材とを備え、ホルダの接液面が、霧化液槽に固定された際に水平よりも低い角度に傾斜する部位が生じるように擂鉢状に形成され、霧化された液体中に含有される不純物や無機質成分等が超音波振動子の表面に堆積又は固着することを防止することを特徴とする。 In order to solve the above-described problems, an ultrasonic atomizing apparatus according to the present invention includes an atomizing liquid tank in which an atomized liquid having an opening is provided on an inclined bottom surface, and the atomized liquid is atomized by ultrasonic vibration. An ultrasonic vibrator, an oscillator for vibrating the ultrasonic vibrator with high-frequency power, an annular holder for holding the ultrasonic vibrator, and an ultrasonic vibrator attached with the center line aligned with the opening And a fixing member for fixing the holder to the atomizing liquid tank, and the liquid contact surface of the holder is formed in a bowl shape so that a part inclined at an angle lower than the horizontal is generated when fixed to the atomizing liquid tank. Further, it is characterized in that impurities, inorganic components, and the like contained in the atomized liquid are prevented from being deposited or fixed on the surface of the ultrasonic vibrator.
また、開口部は、霧化液槽の底面の一部に設けた傾斜面に形成されても良い。 Moreover, an opening part may be formed in the inclined surface provided in a part of bottom face of the atomization liquid tank.
また、開口部は、霧化液槽の底部に上面に傾斜部を持つ筒状突起部を設け、傾斜部に形成されても良い。 The opening may be formed in the inclined portion by providing a cylindrical protrusion having an inclined portion on the upper surface at the bottom of the atomizing liquid tank.
また、ホルダにおける鋭角部は、超音波振動子に接触する平滑面を除いて、丸くラウンドをもって形成されても良い。 Further, the acute angle portion in the holder may be formed round and round except for a smooth surface that contacts the ultrasonic transducer.
本発明によれば、超音波振動子の振動面における中心付近のみならず、振動面の垂直方向の位置関係における相対的に低い部位においても、液体中に含有される不純物や無機質成分等が堆積又は固着することを効果的に防止することができる超音波霧化装置を提供できる。 According to the present invention, not only near the center of the vibration surface of the ultrasonic transducer but also at a relatively low position in the vertical positional relationship of the vibration surface, impurities and inorganic components contained in the liquid are deposited. Alternatively, it is possible to provide an ultrasonic atomizing device that can effectively prevent sticking.
以下、本発明に係る超音波霧化装置の一実施形態を詳細に説明する。なお、全ての図を通して、同一参照番号は、同一又は同等の物を表すものとする。 Hereinafter, an embodiment of an ultrasonic atomizer according to the present invention will be described in detail. Throughout all the drawings, the same reference number represents the same or equivalent thing.
図３は、本発明の一実施形態に係る超音波霧化装置５００を示した断面図である。図示されるように、超音波霧化装置５００は、霧化液（図示せず）を入れる霧化液槽１００と、超音波振動子１０１と、ホルダ１０２と、固定部材１０３と、超音波振動子１０１に高周波電力を供給する発振器（図示せず）とを備えている。 FIG. 3 is a cross-sectional view showing an ultrasonic atomizer 500 according to an embodiment of the present invention. As shown in the figure, an ultrasonic atomizer 500 includes an atomizing liquid tank 100 for storing an atomizing liquid (not shown), an ultrasonic vibrator 101, a holder 102, a fixing member 103, and ultrasonic vibration. And an oscillator (not shown) for supplying high frequency power to the child 101.
霧化液槽１００は有底の箱状部材であり、傾斜した底面には開口部１０５を備えている。 The atomizing liquid tank 100 is a box-shaped member with a bottom, and has an opening 105 on an inclined bottom surface.
なお、霧化液槽１００の底面及びその底面に備えられる開口部１０５の形態はこれに限定されず、例えば、図８に示されるように、霧化液槽１００の底面の一部に傾斜面を設けた上でその傾斜面に開口部１０５が形成される形態でも良く、図９に示されるように、霧化液槽１００の底部に上面に傾斜部を持つ筒状の突起部を設け、その傾斜部に開口部１０５が形成される形態でも良い。 Note that the form of the bottom surface of the atomizing liquid tank 100 and the opening 105 provided on the bottom surface is not limited to this, and for example, as shown in FIG. In addition, as shown in FIG. 9, a cylindrical protrusion having an inclined portion on the upper surface is provided at the bottom of the atomizing liquid tank 100, as shown in FIG. The form in which the opening part 105 is formed in the inclined part may be sufficient.
霧化液槽１００の材料については特に限定されず、用途等に応じて合成樹脂やステンレスといった種々の材料から任意に選択して良い。形状についても特に限定されず、箱状の他、例えば円筒状であっても良い。 The material of the atomizing liquid tank 100 is not particularly limited, and may be arbitrarily selected from various materials such as a synthetic resin and stainless steel depending on the application. The shape is not particularly limited, and may be, for example, a cylindrical shape in addition to a box shape.
霧化液槽１００に収容される霧化液は、超音波振動子１０１の振動エネルギーによって霧化される液体であり、具体的には、純水、井戸水又は肥液といった液体である。 The atomizing liquid accommodated in the atomizing liquid tank 100 is a liquid atomized by the vibration energy of the ultrasonic vibrator 101, and specifically, is a liquid such as pure water, well water, or fertilizer.
超音波振動子１０１は、発振器から供給される電力によって霧化液に超音波振動を与える。 The ultrasonic vibrator 101 applies ultrasonic vibrations to the atomized liquid by electric power supplied from the oscillator.
ホルダ１０２は、液密性をもつように超音波振動子１０１を内部に保持する部材であり、固定部材１０３によって開口部１０５に固定されている。なお、本実施形態におけるホルダ１０２は、その内部に超音波振動子１０１を嵌め込むものとしているが、ホルダ１０２はこれに限られず、超音波振動子１０１と一体化されたものであっても良い。 The holder 102 is a member that holds the ultrasonic transducer 101 inside so as to have liquid-tightness, and is fixed to the opening 105 by a fixing member 103. In addition, although the holder 102 in the present embodiment is configured to fit the ultrasonic transducer 101 therein, the holder 102 is not limited to this and may be integrated with the ultrasonic transducer 101. .
ホルダ１０２は、開口部１０５側、即ち固定部材１０３によって固定された際に霧化液に接することとなる面（接液面）が、後述するように擂鉢状に形成されている。 The holder 102 is formed in a bowl shape as will be described later on the side of the opening 105, that is, the surface that comes into contact with the atomizing liquid when fixed by the fixing member 103.
ホルダ１０２は、霧化液槽１００に設けられた開口部１０５から霧化液が漏出することを防ぐための部材でもある。そのため、ホルダ１０２は柔軟性（密着性）を有する材料から構成されている。具体的な材料については特に限定されず、柔軟性（密着性）を有する材料である限り、ニトリルゴムやフッ素ゴムといった材料から任意に選択して良い。必要により、ホルダ１０２に超音波振動子１０１を保持する際に、接着剤を用いても良い。 The holder 102 is also a member for preventing the atomization liquid from leaking from the opening 105 provided in the atomization liquid tank 100. Therefore, the holder 102 is made of a material having flexibility (adhesion). The specific material is not particularly limited, and may be arbitrarily selected from materials such as nitrile rubber and fluororubber as long as the material has flexibility (adhesion). If necessary, an adhesive may be used when holding the ultrasonic transducer 101 in the holder 102.
固定部材１０３は、霧化液槽１００が備える開口部１０５にホルダ１０２を固定するための部材である。 The fixing member 103 is a member for fixing the holder 102 to the opening 105 provided in the atomizing liquid tank 100.
固定部材１０３の材料については特に限定されず、合成樹脂やステンレスといった種々の材料から任意に選択して良い。固定部材１０３を霧化液槽１００に固定するための手段についても特に限定されず、螺子やはめ込み式といった種々の固定手段から任意に選択して良い。 The material of the fixing member 103 is not particularly limited, and may be arbitrarily selected from various materials such as synthetic resin and stainless steel. The means for fixing the fixing member 103 to the atomizing liquid tank 100 is not particularly limited, and may be arbitrarily selected from various fixing means such as a screw or a fitting type.
符号１０４は、不純物や無機質成分等の沈殿物を示している。 Reference numeral 104 indicates precipitates such as impurities and inorganic components.
符号１０６は、気泡を示している。 Reference numeral 106 indicates a bubble.
次に、図４及び図５を参照しながら、本発明の一実施形態に係る超音波霧化装置５００が備えるホルダ１０２について説明する。 Next, the holder 102 provided in the ultrasonic atomizer 500 according to an embodiment of the present invention will be described with reference to FIGS. 4 and 5.
図４は、本発明の一実施形態に係る超音波霧化装置５００が備えるホルダ１０２を示した斜視図である。 FIG. 4 is a perspective view showing the holder 102 provided in the ultrasonic atomizer 500 according to the embodiment of the present invention.
図５は、本発明の一実施形態に係る超音波霧化装置５００が備えるホルダ１０２が超音波振動子１０１を保持した状態を示した断面図である。 FIG. 5 is a cross-sectional view showing a state in which the holder 102 included in the ultrasonic atomizer 500 according to the embodiment of the present invention holds the ultrasonic transducer 101.
図５に示されるように、ホルダ１０２は、円板状の超音波振動子１０１を内部に保持している。 As shown in FIG. 5, the holder 102 holds a disk-shaped ultrasonic transducer 101 inside.
また、図５に示されるように、ホルダ１０２は、開口部１０５側、即ち固定部材１０３によって開口部１０５に固定された際に霧化液に接することとなる面（接液面）が、符号２００で示されるように擂鉢状に形成されている。 Further, as shown in FIG. 5, the holder 102 has an opening 105 side, that is, a surface that comes into contact with the atomized liquid (liquid contact surface) when fixed to the opening 105 by the fixing member 103 is denoted by a reference numeral. As shown by 200, it is formed in a bowl shape.
より具体的には、擂鉢状に傾斜している面は、ホルダ１０２が固定部材１０３によって霧化液槽１００の開口部１０５に固定された際に水平よりも低い角度に傾斜する部位を構成する角度をもって形成されている。 More specifically, the surface inclined in a bowl shape forms a portion inclined at a lower angle than the horizontal when the holder 102 is fixed to the opening 105 of the atomizing liquid tank 100 by the fixing member 103. It is formed with an angle.
これにより、図３に示されるように、ホルダ１０２が固定部材１０３によって霧化液槽１００の開口部１０５に固定された際、符号１１０で示される水平よりも低い角度（θ）に傾斜する部位が構成される。 As a result, as shown in FIG. 3, when the holder 102 is fixed to the opening 105 of the atomizing liquid tank 100 by the fixing member 103, a portion inclined at an angle (θ) lower than the horizontal indicated by reference numeral 110. Is configured.
以上説明した本実施形態に係る超音波霧化装置５００によれば、霧化液に含有される不純物や無機質成分等は、図３において符号１０４で示されるように、超音波振動子１０１の振動面に堆積又は固着することなく、水平よりも低く傾斜している部位を下方へ移動する。従って、超音波振動子の振動面における中心付近のみならず、振動面の垂直方向の位置関係における相対的に低い部位においても、霧化液に含有される不純物や無機質成分等が堆積又は固着することが防止される。 According to the ultrasonic atomizer 500 according to the present embodiment described above, impurities, inorganic components, and the like contained in the atomized liquid are vibrations of the ultrasonic vibrator 101 as indicated by reference numeral 104 in FIG. The part which is inclined lower than the horizontal is moved downward without depositing or sticking to the surface. Accordingly, not only in the vicinity of the center of the vibration surface of the ultrasonic vibrator, but also at a relatively low position in the positional relationship in the vertical direction of the vibration surface, impurities, inorganic components, etc. contained in the atomized liquid are deposited or fixed. It is prevented.
また、本実施形態に係る超音波霧化装置５００によれば、図３において符号１０６で示されるような気泡が生じた場合であっても、超音波振動子１０１の振動面に付着することなく、擂鉢状に形成されているホルダ１０２の傾斜面に沿って上方へ移動する。従って、超音波振動子の振動面における中心付近のみならず、振動面の垂直方向の位置関係における相対的に高い部位においても、気泡が付着することが防止される。 Further, according to the ultrasonic atomization apparatus 500 according to the present embodiment, even when a bubble as indicated by reference numeral 106 in FIG. 3 is generated, it does not adhere to the vibration surface of the ultrasonic transducer 101. Then, it moves upward along the inclined surface of the holder 102 formed in a bowl shape. Therefore, it is possible to prevent bubbles from adhering not only in the vicinity of the center of the vibration surface of the ultrasonic vibrator but also at a relatively high position in the positional relationship in the vertical direction of the vibration surface.
次に、本発明の他の実施形態に係る超音波霧化装置が備えるホルダを詳細に説明する。 Next, the holder with which the ultrasonic atomizer which concerns on other embodiment of this invention is provided is demonstrated in detail.
図６は、本発明の他の実施形態に係る超音波霧化装置が備えるホルダ３００が超音波振動子１０１を保持した状態を示した断面図である。また、図７は、図６の一部を拡大した断面図である。 FIG. 6 is a cross-sectional view illustrating a state in which the holder 300 provided in the ultrasonic atomizer according to another embodiment of the present invention holds the ultrasonic transducer 101. FIG. 7 is an enlarged cross-sectional view of a part of FIG.
図示されるように、本実施形態に係るホルダ３００は、開口部１０５側、即ち固定部材１０３によって固定された際に霧化液に接することとなる面が擂鉢状に形成されている点において上述した実施形態におけるホルダ１０２と共通する他、符号３０１で示される鋭角部が、符号３０３で示される超音波振動子１０１に接触する平滑面を除いて、丸くラウンドをもって形成されている。なお、超音波振動子１０１に接触する平滑面については丸くラウンドさせない理由は、超音波振動子１０１に接触する平滑面についても丸くラウンドさせると、超音波振動子１０１の振動面との間に、不純物や無機質成分等が堆積又は固着する隙間が生じるためである。 As shown in the drawing, the holder 300 according to the present embodiment is the above-described in that the surface that comes into contact with the atomizing liquid when fixed by the opening 105 side, that is, the fixing member 103 is formed in a bowl shape. In addition to the holder 102 in the embodiment described above, the acute angle portion indicated by reference numeral 301 is formed round and round except for the smooth surface contacting the ultrasonic transducer 101 indicated by reference numeral 303. The reason why the smooth surface in contact with the ultrasonic transducer 101 is not rounded is that the smooth surface in contact with the ultrasonic transducer 101 is also rounded between the vibrating surface of the ultrasonic transducer 101, This is because a gap in which impurities, inorganic components, etc. are deposited or fixed is generated.
以上説明した本発明の他の実施形態に係る超音波霧化装置によれば、丸くラウンドをもって形成された部位においてわずかに不純物や無機質成分等が堆積又は固着するものの、擂鉢状に形成された部位によって超音波振動子１０１の振動面を覆う面積がより少なくなるため、前述の実施形態に係る超音波霧化装置と比べて超音波振動子１０１の有効振幅径Ｄ１をより大きく確保することができる。 According to the ultrasonic atomizing apparatus according to another embodiment of the present invention described above, a portion formed in a bowl shape although impurities, inorganic components, etc. are slightly deposited or fixed in a portion formed in a round shape. by the area covering the vibration surface of the ultrasonic transducer 101 becomes less, possible to secure a large effective amplitude diameter D 1 of the ultrasonic atomizing device as compared to the ultrasonic vibrator 101 according to the embodiment described above it can.
以上、本発明の好適な実施形態について説明したが、本発明は上記の各実施形態に限定されるものではなく、本発明の趣旨を逸脱しない範囲において種々の改変が可能であることは言うまでもない。 The preferred embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the spirit of the present invention. .
例えば、図１０に示すように、ホルダ１０２における接液面の厚みを薄くすることにより、超音波振動子１０１に対して影響を及ぼすことなく蓄積することができる堆積物又は固着物の量は減少するものの、ホルダ１０２の開口径Ｄ０に対する超音波振動子１０１の有効振幅径Ｄ１の比率をより大きく確保することができる。 For example, as shown in FIG. 10, by reducing the thickness of the liquid contact surface in the holder 102, the amount of deposits or fixed matters that can be accumulated without affecting the ultrasonic transducer 101 is reduced. to although, it is possible to secure a large effective ratio of amplitude diameter D 1 of the ultrasonic transducer 101 relative to the opening diameter D 0 of the holder 102.
本発明に係る超音波霧化装置は、霧化対象とする液が純水ではない液体、例えば肥液等の場合に有用である。 The ultrasonic atomizer according to the present invention is useful when the liquid to be atomized is a liquid that is not pure water, such as a fertilizer.
１００ 霧化液槽
１０１ 超音波振動子
１０２ ホルダ
１０３ 固定部材
１０４ 沈殿物
１０５ 開口部
１０６ 気泡
１１０ 水平線
１１１ 傾斜線
２００ 擂鉢状部
３００ ホルダ
３０１ 鋭角部
３０２ 直線
３０３ 平滑面
４００ 超音波霧化装置
５００ 超音波霧化装置
DESCRIPTION OF SYMBOLS 100 Atomization liquid tank 101 Ultrasonic vibrator 102 Holder 103 Fixing member 104 Precipitate 105 Opening 106 Bubble 110 Horizontal line 111 Inclined line 200 Mortar-shaped part 300 Holder 301 Sharp angle part 302 Straight line 303 Smooth surface 400 Ultrasonic atomizer 500 Ultra Sonic atomizer
Claims (4)
前記霧化液を超音波振動で霧化する超音波振動子と、
前記超音波振動子を高周波電力によって振動させるための発振器と、
前記超音波振動子を保持する環状のホルダと、
前記開口部に中心線を合わせて前記超音波振動子を取り付けるように前記ホルダを前記霧化液槽に固定する固定部材と、
を備え、
前記ホルダの接液面が、前記霧化液槽に固定された際に水平よりも低い角度に傾斜する部位が生じるように擂鉢状に形成され、霧化された液体中に含有される不純物や無機質成分等が前記超音波振動子の表面に堆積又は固着することを防止することを特徴とする超音波霧化装置。 An atomizing liquid tank for storing an atomized liquid having an opening on an inclined bottom surface;
An ultrasonic vibrator for atomizing the atomized liquid by ultrasonic vibration;
An oscillator for vibrating the ultrasonic vibrator with high-frequency power;
An annular holder for holding the ultrasonic transducer;
A fixing member for fixing the holder to the atomizing liquid tank so that the ultrasonic vibrator is attached with a center line aligned with the opening;
With
Impurities contained in the atomized liquid are formed in a bowl shape so that the liquid contact surface of the holder is inclined to an angle lower than the horizontal when fixed to the atomizing liquid tank. An ultrasonic atomizing device that prevents inorganic components and the like from being deposited or adhered to the surface of the ultrasonic transducer.
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| WO2021172154A1 (en) * | 2020-02-27 | 2021-09-02 | 信越化学工業株式会社 | Film-forming atomization device and film-forming device using same |
| CN116713154A (en) * | 2023-08-10 | 2023-09-08 | 广东科高电器有限公司 | Circulation atomizing device |
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| CN116713154B (en) * | 2023-08-10 | 2023-10-03 | 广东科高电器有限公司 | Circulation atomizing device |
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