JPS6316076A - Electrode fixture for ultrasonic piezoelectric vibrator - Google Patents
Electrode fixture for ultrasonic piezoelectric vibratorInfo
- Publication number
- JPS6316076A JPS6316076A JP15807986A JP15807986A JPS6316076A JP S6316076 A JPS6316076 A JP S6316076A JP 15807986 A JP15807986 A JP 15807986A JP 15807986 A JP15807986 A JP 15807986A JP S6316076 A JPS6316076 A JP S6316076A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- electrode
- electrode body
- electrode surface
- ultrasonic
- 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.)
- Granted
Links
- 230000005855 radiation Effects 0.000 claims description 9
- 229910052573 porcelain Inorganic materials 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009688 liquid atomisation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、超音波圧電振動子の電極取付装置に係り、特
に、超音波加湿器、石油気化装置等の液体霧化機に用い
られる超音波圧電振動子の電極体の構造の改良に関する
ものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to an electrode attachment device for an ultrasonic piezoelectric vibrator, and particularly to an ultrasonic piezoelectric vibrator used in a liquid atomizer such as an ultrasonic humidifier or an oil vaporization device. This invention relates to an improvement in the structure of an electrode body of a sonic piezoelectric vibrator.
（従来の技術）
従来、この種の超音波圧電振動子の電極取付装置として
は、例えば、実開昭５１−１４２６０８号が挙げられる
。以下、この先行技術について説明する。(Prior Art) Conventionally, as an electrode mounting device for this type of ultrasonic piezoelectric vibrator, for example, there is cited Utility Model Application No. 51-142608. This prior art will be explained below.
第３図は液体霧化装置（室内加湿器）の断面図であり、
液体２を収容する容器３の底部には、振動子取付装置１
と励振回路部（図示なし）が取付けられ、振動子取付装
置１より発生する超音波により水柱４が発生し、ここか
ら液体２の微粒子５が発生する。この微粒子５はファン
８から送られる風に従ってダクト６を通り吐出ロアから
室内に放出される。Figure 3 is a cross-sectional view of the liquid atomization device (indoor humidifier).
A vibrator mounting device 1 is installed at the bottom of the container 3 containing the liquid 2.
An excitation circuit section (not shown) is attached, and ultrasonic waves generated by the transducer mounting device 1 generate a water column 4, from which fine particles 5 of the liquid 2 are generated. The fine particles 5 are discharged into the room from the discharge lower through the duct 6 according to the wind sent from the fan 8.
第４図は第１の従来例を示す振動子取付装置の断面図で
ある。FIG. 4 is a sectional view of a vibrator mounting device showing a first conventional example.
図中、１１は表面に超音波放射電極面１１ａを設け、裏
面にはその電極面１１ａの一部をＴ＠縁部に導出して形
成した端縁電極面１１ｂ、前記電極面ｔｉａに対向した
略中央部に対向電極面ｌｉｅとを設けた円板状磁器誘電
体の超音波圧電振動子（以下、圧電振動子という）であ
り、この圧電振動子を弾性を有し、内周面にコ字状切溝
を存する環状保持体１２で挟持し、前記端縁電極面１１
ｂ及び対向電極面１１Ｃに励振出力源に接続されるリー
ド線１９をそれぞれ半田１８で固着接続して、予め設け
られている支持体１４の有底の円形の凹溝１０の周縁の
段付部１０′に環状保持体１２を接着などにより固定し
、前記円形の凹溝１０内に半田１８の面及びリード＆１
１１９を配置し、該リード線１９を前記支持体１４から
導出するようにしている。なお、１５は液体収納器の底
壁１３を貫通してナツト１６によりこの振動子取付装置
を固着する１対のネジである。In the figure, reference numeral 11 has an ultrasonic emission electrode surface 11a on the front surface, and an edge electrode surface 11b formed by leading out a part of the electrode surface 11a to the T@edge on the back surface, which faces the electrode surface tia. This is an ultrasonic piezoelectric vibrator (hereinafter referred to as a piezoelectric vibrator) made of a disc-shaped porcelain dielectric material and has a counter electrode surface lie approximately at the center. The edge electrode surface 11 is held by an annular holder 12 having a letter-shaped cut groove.
Lead wires 19 connected to the excitation output source are fixedly connected to b and the counter electrode surface 11C with solder 18, respectively, to form a stepped portion on the periphery of the bottomed circular groove 10 of the support 14 provided in advance. An annular holder 12 is fixed to 10' by adhesive or the like, and the surface of the solder 18 and the lead &1 are placed in the circular groove 10.
119 is arranged, and the lead wire 19 is led out from the support body 14. Note that 15 is a pair of screws that pass through the bottom wall 13 of the liquid container and fix this vibrator mounting device with a nut 16.
また、第５図乃至第７図は第２の従来例を示す振動子取
付装置の構成図であり、第５図はその分解斜視図、第６
図はその斜視図、第７図は第６図の■−■線断面図であ
る。5 to 7 are configuration diagrams of a vibrator mounting device showing a second conventional example, and FIG. 5 is an exploded perspective view thereof, and FIG.
The figure is a perspective view thereof, and FIG. 7 is a sectional view taken along the line ■--■ in FIG. 6.
圧電振動子１１自体の構造は前記したものと同様であり
、この圧電振動子の端縁電極面に接触するように環状電
極体２２を設け、その環状電極体２２の内周の一部に設
けられた突片２２ａにリード１２３を半田で固着して励
振入力端子とし、また、内周面にコ字状切溝２４ａを形
成した弾性を有する絶縁体からな為環状保持体２４を設
け、その切溝２４ａに前記環状電極体２２を挿置させ、
その弾性力によって圧電振動子１１と環状電極体２２を
挟持し、更に、この圧電振動子の対向電極１１Ｃに接合
するに十分な長さと弾発力を有する発条電極板２６と、
リード線２７を半田で固着して励振入力端子を形成する
突片２５ａを設けた、前記環状電極体２２と略同形の導
電性環状体２５を環状保持体２４の環状面とを接するよ
うに同心状に積層して、絶縁体からなる支持体２８の略
中央部に円環状の段付部２８ａに環状保持体２４と導電
性環状体２５とを配置して、それぞれ接着剤などで固着
し、支持体２８の凹所２９の中央部に圧電振動子の対向
電極面１１Ｃが位置するように配置して、かつ、リード
ｗＡ２３及び２７を挿通孔３０から導出するように構成
している。The structure of the piezoelectric vibrator 11 itself is the same as that described above, and a ring-shaped electrode body 22 is provided so as to be in contact with the edge electrode surface of this piezoelectric vibrator, and a ring-shaped electrode body 22 is provided on a part of the inner circumference of the ring-shaped electrode body 22. A lead 123 is fixed to the protrusion 22a with solder to serve as an excitation input terminal, and an annular holder 24 made of an elastic insulator with a U-shaped groove 24a formed on the inner peripheral surface is provided. inserting the annular electrode body 22 into the cut groove 24a;
A spring electrode plate 26 having a length and elastic force sufficient to sandwich the piezoelectric vibrator 11 and the annular electrode body 22 by its elastic force and further to be bonded to the counter electrode 11C of the piezoelectric vibrator;
A conductive annular body 25 having approximately the same shape as the annular electrode body 22 and provided with a protruding piece 25a that forms an excitation input terminal by fixing the lead wire 27 with solder is concentrically connected to the annular surface of the annular holder 24. The annular holding body 24 and the conductive annular body 25 are arranged in an annular stepped part 28a at approximately the center of the support body 28 made of an insulator, and are fixed to each other with an adhesive or the like. The counter electrode surface 11C of the piezoelectric vibrator is arranged in the center of the recess 29 of the support 28, and the leads wA23 and 27 are led out from the insertion hole 30.
（発明が解決しようとする問題点）
しかしながら、上記構成の装置では、以下の問題点を有
している。(Problems to be Solved by the Invention) However, the apparatus having the above configuration has the following problems.
まず、第４図に示した第１の従来例においては、圧電振
動子が端縁電極面１１ｂ及び対向電極面１１Ｃにリード
！１９が直接半田付けによって取り付けられているため
、多量に生産する作業工程において、半田の使用量が個
々にまちまちとなって固着されるので、圧電振動子に対
して負荷となり、個々の圧電振動子のインピーダンスが
一定とならず、一定の霧化量を得ることができなかった
り、圧電振動子の長期駆動により、リード１１９の半田
部が剥離し、電源が切れたり、電源を短絡するといった
問題があった。First, in the first conventional example shown in FIG. 4, a piezoelectric vibrator leads to an edge electrode surface 11b and a counter electrode surface 11C! 19 is attached by direct soldering, in the process of mass production, the amount of solder used varies and is fixed to each piezoelectric vibrator, which causes a load on the piezoelectric vibrator. The impedance of the piezoelectric vibrator is not constant, making it impossible to obtain a constant amount of atomization, and long-term operation of the piezoelectric vibrator may cause the solder part of the lead 119 to peel off, causing problems such as the power being cut off or the power being short-circuited. there were.
次に、第５図乃至第７図に示した第２の従来例において
は、圧電振動子の大きい振動に対して、その対向電極面
１１Ｃも太き（変位し導電性環状体２５の発条電極板２
６が対向電極面１１．に十分に追従できず、非接触状態
になる時間が生じるといった問題があった。即ち、第８
図に示されるように、圧電振動子１１が第８図（ａ）の
状態からＩＭＨｚ台の周波数でしかも太き（振動すると
、第８図（ｂ）に示すように発条電極板２６は圧電振動
子１１の変位に追随できない時点が生じることになる。Next, in the second conventional example shown in FIGS. 5 to 7, in response to large vibrations of the piezoelectric vibrator, the opposing electrode surface 11C is also thick (displaced and the spring electrode of the conductive annular body 25 Board 2
6 is the counter electrode surface 11. There was a problem in that it was not possible to follow the situation sufficiently, resulting in a period of time when the device was in a non-contact state. That is, the eighth
As shown in the figure, when the piezoelectric vibrator 11 vibrates at a frequency in the IMHz range from the state shown in FIG. There will come a point in time when the displacement of the child 11 cannot be followed.
更に、発条電極板２６は片持ち状に支持されているため
、圧電振動子の長期の振動に対して、へたりが生じ、接
触状態の経年変化が生じるといった問題があった。Furthermore, since the spring electrode plate 26 is supported in a cantilevered manner, there is a problem in that the piezoelectric vibrator sag due to long-term vibration, and the contact state changes over time.
また、この振動子の取付装置はその製造において、各部
品を二重、三重に組み合わせる必要があり、更に、リー
ド線は支持体の挿通孔を通すなどそのセットも面倒であ
り、多くの工程と時間を要し、コストが高（ならざるを
得ないものであった。In addition, in manufacturing this resonator mounting device, it is necessary to assemble each part in double or triple layers.Furthermore, setting up the lead wires is troublesome, such as passing the lead wires through the insertion holes of the support, and requires many steps. It was time consuming and costly.
本発明は、上記した問題点を除去し、圧電振動子は情報
を伝達するというよりはエネルギーを伝達していること
に着目して、圧電振動子の電極体の形状を工夫し、接触
が確実であり、しかも製造コストを低減できる超音波圧
電振動子の電極取付装置を提供することを目的とする。The present invention eliminates the above-mentioned problems and focuses on the fact that piezoelectric vibrators transmit energy rather than information, and devises the shape of the electrode body of the piezoelectric vibrator to ensure reliable contact. It is an object of the present invention to provide an electrode attachment device for an ultrasonic piezoelectric vibrator that can reduce manufacturing costs.
（問題点を解決するための手段）
本発明は、上記問題点を解決するために、円板状磁器圧
電体の表面に超音波放射電極面を設け、その表面に放射
電極面の一部を周縁部に導出して形成した端縁電極面と
略中央部に前記放射電極面に対向する対向電極面とを設
けた超音波圧電振動子と、その圧電振動子の上部に配置
される弾性保持体と、前記圧電振動子の下部に配置され
、前記端縁電極面に接合する環状電極体と、その環状電
極体の下部に配置されるリング状セパレータと、そのリ
ング状セパレータの下部に配置され、前記対向電極面に
接触する平面状接触面を具備する円筒部を形成した導電
性電極体とをそれぞれ同心円状に積層固定し、前記導電
性電極体と前記環状電極体とをそれぞれ前記圧電振動子
の振動入力端子とするようにしたものである。(Means for Solving the Problems) In order to solve the above problems, the present invention provides an ultrasonic radiation electrode surface on the surface of a disc-shaped porcelain piezoelectric body, and a part of the radiation electrode surface is provided on the surface of the disk-shaped porcelain piezoelectric body. An ultrasonic piezoelectric vibrator having an edge electrode surface formed on a peripheral edge and a counter electrode surface facing the radiation electrode surface approximately in the center, and an elastic support disposed above the piezoelectric vibrator. a ring-shaped electrode body disposed below the piezoelectric vibrator and joined to the edge electrode surface; a ring-shaped separator disposed below the ring-shaped electrode body; and a ring-shaped separator disposed below the ring-shaped separator. , a conductive electrode body having a cylindrical portion having a planar contact surface that contacts the opposing electrode surface is laminated and fixed in a concentric manner, and the conductive electrode body and the annular electrode body are respectively subjected to the piezoelectric vibration. This terminal is designed to serve as a vibration input terminal for the child.
（作用）
本発明によれば、上記のように構成したので、弾性保持
体により圧電振動子の対向電極面は絶えず下方へ偏倚す
ることになり、圧電振動子の対向電極は絶えず平面状接
触面を有する導電性電極体に接触させることができる。(Function) According to the present invention, with the above configuration, the opposing electrode surface of the piezoelectric vibrator is constantly biased downward by the elastic holder, and the opposing electrode of the piezoelectric vibrator is constantly biased toward the planar contact surface. can be brought into contact with a conductive electrode body having a
従って、確実な給電を行うことができると共に製造コス
トを低減することができる。Therefore, reliable power supply can be performed and manufacturing costs can be reduced.
（実施例）
以下、本発明の実施例について図面を参照しながら詳細
に説明する。(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
第１図は本発明に係る超音波圧電振動子の取付装置の分
解斜視図であり、第２図は超音波圧電振動子の取付装置
の側面図である。FIG. 1 is an exploded perspective view of a mounting device for an ultrasonic piezoelectric vibrator according to the present invention, and FIG. 2 is a side view of the mounting device for an ultrasonic piezoelectric vibrator.
図中、３１は平板状の上板であり、中央に円形の穴３１
ａ１両側に対向してネジ孔３１ｂが設けられている。３
２は弾性保持体、例えば、ゴムからなるブツシュ（弾性
保持体）であり、その中央に貫通穴３２ａと、その外周
に溝３２ｂが形成されている。これらの上板３１とブツ
シュ３２とは第９図に示されるように組み立てられる。In the figure, 31 is a flat upper plate, with a circular hole 31 in the center.
Screw holes 31b are provided facing both sides of a1. 3
Reference numeral 2 denotes an elastic holding body, for example, a bush (elastic holding body) made of rubber, which has a through hole 32a in its center and a groove 32b on its outer periphery. These upper plate 31 and bushings 32 are assembled as shown in FIG.
即ち、ブツシュ３２は、第９図（ａ）に示されるように
して、上板３１に挿入され、ブツシュ３２の溝３２ｂが
上板３１の円形の穴３１ａの周りに弾力的に嵌合される
。このようにして組み合わせられた状態が第９図（ｂ）
に示されている。That is, the bushing 32 is inserted into the upper plate 31 as shown in FIG. 9(a), and the groove 32b of the bushing 32 is elastically fitted around the circular hole 31a of the upper plate 31. . The state combined in this way is shown in Figure 9(b).
is shown.
次に、３３は圧電振動子であり、円板状磁器圧電体に各
電極面が形成されている。その詳細な構造は第１Ｏ図に
示されている。即ち、第１Ｏ図（ａ）は圧電振動子の上
面（第１図及び第２図を基準）図、第１０図（ｂ）は圧
電振動子の下面図、第１０図（ｃ）は圧電振動子の断面
図である。これらの図において、３３ａは圧電振動子の
上面となる超音波放射電極面、３３ｂはその放射電極面
から裏面に導出された端縁電極面、３３Ｃは裏面の略中
央部に位置し、超音波放射電極面３３ａに対向する対向
電極面である。３４は圧電振動子の端縁電極面３３ｂに
接触させる環状電極体であり、リード線が取り付けられ
、励振入力端子となるリード片３４ａが設けられる。３
５は弾性を有し、かつ絶縁体、例えば、ゴムからなるリ
ング状セパレータであり、貫通穴３５ａが設けられてい
る。３６は上端面は平面状接触面３６ａが形成された円
筒部３６ｂを有する導電性電極体であり、リード線が取
り付けられ、励振入力端子となるリード片３６Ｃが設け
られる。この円筒部３６ｂの平面状接触部３６ａは環状
電極体３４及びリング状セパレータの貫通穴３５ａを貫
通して圧電振動子の対向電極面３３Ｃに接触する（第２
図参照）、更に、その詳細な構成が第１１図に示されて
いる。即ち、第１１図（ａ）−は導電性電極体の上面図
、第１１図（ｂ）はその断面図である。このように構成
される超音波圧電振動子の電極取付装置は第１２図（ａ
）〜第１２図（ｅ）にその動作が示されるように、圧電
振動子１１にはその上方から下方へ弾性を有するブツシ
ュ３２により、押圧力が加えられており、何れの動作状
態にあっても圧電振動子１１の対向電極面１１ｃと導電
性電極体３６の平面状接触面３６ａのいずれかの箇所は
離れることがなく、確実に接触することができる。Next, 33 is a piezoelectric vibrator, and each electrode surface is formed on a disc-shaped porcelain piezoelectric body. Its detailed structure is shown in FIG. 1O. That is, Fig. 10(a) is a top view of the piezoelectric vibrator (based on Figs. 1 and 2), Fig. 10(b) is a bottom view of the piezoelectric vibrator, and Fig. 10(c) is a piezoelectric vibrator. It is a sectional view of a child. In these figures, 33a is an ultrasonic radiation electrode surface which is the upper surface of the piezoelectric vibrator, 33b is an edge electrode surface led out from the radiation electrode surface to the back surface, and 33C is located approximately in the center of the back surface, This is a counter electrode surface that faces the radiation electrode surface 33a. Reference numeral 34 designates a ring-shaped electrode body that is brought into contact with the edge electrode surface 33b of the piezoelectric vibrator, and a lead wire is attached to the ring-shaped electrode body, and a lead piece 34a serving as an excitation input terminal is provided. 3
Reference numeral 5 denotes a ring-shaped separator having elasticity and made of an insulator such as rubber, and is provided with a through hole 35a. Reference numeral 36 designates a conductive electrode body having a cylindrical portion 36b with a planar contact surface 36a formed on its upper end surface, to which a lead wire is attached and a lead piece 36C serving as an excitation input terminal. The planar contact portion 36a of this cylindrical portion 36b passes through the annular electrode body 34 and the through hole 35a of the ring-shaped separator and comes into contact with the opposing electrode surface 33C of the piezoelectric vibrator (second
(see figure), and its detailed configuration is shown in FIG. That is, FIG. 11(a)- is a top view of the conductive electrode body, and FIG. 11(b) is a sectional view thereof. The electrode mounting device for the ultrasonic piezoelectric vibrator constructed in this way is shown in Fig. 12 (a).
) to FIG. 12(e), a pressing force is applied to the piezoelectric vibrator 11 from above to below by an elastic bushing 32, and in any operating state. Also, any part of the opposing electrode surface 11c of the piezoelectric vibrator 11 and the planar contact surface 36a of the conductive electrode body 36 will not be separated from each other and can be in reliable contact with each other.
３７は下板であり、上板３１のネジ孔３１ｂに対応する
ようにネジ孔３７ａが設けられる。３８はネジであり、
第２図に示されるように、下方から順に下板３７、導電
性電極体３６、リング状セパレータ３５、環状電極体３
４、圧電振動子３３、上［３１とブツシュ３２の組立体
とが積層され、上板３１と下板３７間がネジ３８により
、締められて、第２図に示されるように、圧電振動子取
付装置が組み立てられる。37 is a lower plate, and screw holes 37a are provided so as to correspond to the screw holes 31b of the upper plate 31. 38 is a screw;
As shown in FIG. 2, in order from the bottom, the lower plate 37, the conductive electrode body 36, the ring-shaped separator 35, and the annular electrode body 3.
4. The piezoelectric vibrator 33, the upper [31 and the bushing 32 assembly are stacked, and the upper plate 31 and the lower plate 37 are tightened with screws 38, as shown in FIG. The mounting device is assembled.
なお、本発明は上記実施例に限定されるものではなく、
本発明の趣旨に基づいて種々の変形が可能であり、これ
らを本発明の範囲から排除するものではない。Note that the present invention is not limited to the above embodiments,
Various modifications are possible based on the spirit of the present invention, and these are not excluded from the scope of the present invention.
（発明の効果）
以上、詳細に説明したように、本発明によれば、次のよ
うな効果を奏することができる。(Effects of the Invention) As described above in detail, according to the present invention, the following effects can be achieved.
（１）前記した第１１図からも明らかなように、圧電振
動子の電極面への電極体の接触を確実なものにすること
ができる。(1) As is clear from the above-mentioned FIG. 11, the contact of the electrode body to the electrode surface of the piezoelectric vibrator can be ensured.
（２）各部品を順に積層し、一度に組み立てることがで
きる、しかもリード線の処理なども容易であり、製造の
コストを大幅に低減することができる。(2) Each component can be laminated one after another and assembled all at once, and the processing of lead wires is also easy, and manufacturing costs can be significantly reduced.
更に、超音波加湿器や車の石油のガス化装置をはじめと
して、その応用分野は広いものがある。Furthermore, its application fields are wide-ranging, including ultrasonic humidifiers and oil gasification equipment for cars.
第１図は本発明に係る超音波圧電振動子の取付装置の分
解斜視図、第２図は超音波圧電振動子の取付装置の側面
図、第３図は従来の液体霧化装置（室内加湿器）の断面
図、第４図は第１の従来例を示す圧電振動子取付装置の
断面図、第５図は第２の従来例を示す圧電振動子取付装
置の分解斜視図、第６図は第２の従来例を示す圧電振動
子取付装置の斜視図、第７図は第６図の■−■線断面図
、第８図は従来の圧電振動子取付装置の動作状態の説明
図、第９図は上板とブツシュとの組立説明図、第１０図
は圧電振動子の構成図、第１１図は本発明の導電性電極
体の構成図、第１２図は本発明の圧電振動子取付装置の
動作状態の説明図である。
３１・・・上板、３１ｂ、３７ａ・・・ネジ孔、３２・
・・ブツシュ（弾性保持体）、３３・・・圧電振動子、
３３ａ・・・超音波放射電極面、３３ｂ・・・端縁電極
面、３３Ｃ・・・対向電極面、３４・・・環状電極体、
３５・・・リング状セパレータ、３６・・・導電性電極
体、３６ｍ・・・平面状接触面、３６ｂ・・・円筒部、
３７・・・下板、３８・・・ネジ。Fig. 1 is an exploded perspective view of a mounting device for an ultrasonic piezoelectric vibrator according to the present invention, Fig. 2 is a side view of the mounting device for an ultrasonic piezoelectric vibrator, and Fig. 3 is a conventional liquid atomization device (indoor humidifier). FIG. 4 is a sectional view of a piezoelectric vibrator mounting device showing a first conventional example, FIG. 5 is an exploded perspective view of a piezoelectric vibrator mounting device showing a second conventional example, and FIG. is a perspective view of a piezoelectric vibrator mounting device showing a second conventional example, FIG. 7 is a sectional view taken along the line ■-■ in FIG. 6, and FIG. 8 is an explanatory diagram of the operating state of the conventional piezoelectric vibrator mounting device. FIG. 9 is an explanatory diagram of the assembly of the upper plate and the bushing, FIG. 10 is a configuration diagram of a piezoelectric vibrator, FIG. 11 is a configuration diagram of a conductive electrode body of the present invention, and FIG. 12 is a piezoelectric vibrator of the present invention. FIG. 3 is an explanatory diagram of the operating state of the attachment device. 31...Top plate, 31b, 37a...Screw hole, 32.
... Bush (elastic holding body), 33... Piezoelectric vibrator,
33a... Ultrasonic emission electrode surface, 33b... Edge electrode surface, 33C... Counter electrode surface, 34... Annular electrode body,
35... Ring-shaped separator, 36... Conductive electrode body, 36m... Planar contact surface, 36b... Cylindrical part,
37...Lower plate, 38...Screw.
Claims (1)
裏面は該放射電極面の一部を周縁部に導出して形成した
端縁電極面と略中央部に前記放射電極面に対向する対向
電極面とを設けた超音波圧電振動子と、該圧電振動子の
上部に配置される弾性保持体と、前記圧電振動子の下部
に配置され、前記端縁電極面に接合する環状電極体と、
該環状電極体の下部に配置されるリング状セパレータと
、該リング状セパレータの下部に配置され、前記対向電
極面に接触する平面状接触面を具備する円筒部を形成し
た導電性電極体とをそれぞれ同心円状に積層固定し、前
記導電性電極体と前記環状電極体とをそれぞれ前記圧電
振動子の振動入力端子としたことを特徴とする超音波圧
電振動子の電極取付装置。An ultrasonic radiation electrode surface is provided on the surface of the disc-shaped porcelain piezoelectric material,
The back surface includes an ultrasonic piezoelectric vibrator having an edge electrode surface formed by leading out a part of the radiation electrode surface to the periphery, and a counter electrode surface facing the radiation electrode surface approximately in the center; an elastic holder disposed above the vibrator; an annular electrode body disposed below the piezoelectric vibrator and bonded to the edge electrode surface;
a ring-shaped separator disposed at the bottom of the annular electrode body; and a conductive electrode body formed at the bottom of the ring-shaped separator and formed with a cylindrical portion having a planar contact surface that contacts the counter electrode surface. An electrode mounting device for an ultrasonic piezoelectric vibrator, characterized in that the conductive electrode body and the annular electrode body are stacked and fixed in a concentric manner, and each of the conductive electrode body and the annular electrode body serves as a vibration input terminal of the piezoelectric vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15807986A JPS6316076A (en) | 1986-07-07 | 1986-07-07 | Electrode fixture for ultrasonic piezoelectric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15807986A JPS6316076A (en) | 1986-07-07 | 1986-07-07 | Electrode fixture for ultrasonic piezoelectric vibrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6316076A true JPS6316076A (en) | 1988-01-23 |
| JPH0536113B2 JPH0536113B2 (en) | 1993-05-28 |
Family
ID=15663835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15807986A Granted JPS6316076A (en) | 1986-07-07 | 1986-07-07 | Electrode fixture for ultrasonic piezoelectric vibrator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6316076A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028545A1 (en) * | 2000-10-05 | 2002-04-11 | Omron Corporation | Liquid spray device |
| JP2006507118A (en) * | 2002-11-26 | 2006-03-02 | エス．シー． ジョンソン アンド サン、インコーポレイテッド | Spray device with improved wire-type spray member support and method for manufacturing the same |
| WO2019065711A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社フコク | Atomizing oscillatory element, atomizing unit, atomizing device, and drive method for atomizing device |
-
1986
- 1986-07-07 JP JP15807986A patent/JPS6316076A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002028545A1 (en) * | 2000-10-05 | 2002-04-11 | Omron Corporation | Liquid spray device |
| US6863224B2 (en) | 2000-10-05 | 2005-03-08 | Omron Corporation | Liquid spray device |
| JP2006507118A (en) * | 2002-11-26 | 2006-03-02 | エス．シー． ジョンソン アンド サン、インコーポレイテッド | Spray device with improved wire-type spray member support and method for manufacturing the same |
| WO2019065711A1 (en) * | 2017-09-29 | 2019-04-04 | 株式会社フコク | Atomizing oscillatory element, atomizing unit, atomizing device, and drive method for atomizing device |
| JPWO2019065711A1 (en) * | 2017-09-29 | 2020-11-05 | 株式会社フコク | Atomizing oscillator, atomizing unit, atomizing device and driving method of atomizing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0536113B2 (en) | 1993-05-28 |
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