JPS6324749B2 - - Google Patents
Info
- Publication number
- JPS6324749B2 JPS6324749B2 JP19643682A JP19643682A JPS6324749B2 JP S6324749 B2 JPS6324749 B2 JP S6324749B2 JP 19643682 A JP19643682 A JP 19643682A JP 19643682 A JP19643682 A JP 19643682A JP S6324749 B2 JPS6324749 B2 JP S6324749B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode film
- vibrator
- smooth surface
- nozzle plate
- electric vibrator
- 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.)
- Expired
Links
- 238000000889 atomisation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 8
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000010292 electrical insulation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
- B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
Landscapes
- Special Spraying Apparatus (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、灯油などの液体燃料、水、薬液など
の液体の霧化ポンプに関するものであり、さらに
詳しくは、圧電振動子などの電気振動子を利用し
た霧化ポンプに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an atomizing pump for liquid fuels such as kerosene, water, and liquids such as chemical solutions. This relates to the atomization pump used.
従来例の構成とその問題点
従来この種の霧化ポンプは、第１図に示すよう
に構成されている。すなわち電気振動子１の相対
向する平滑面には、電極膜２ａ，２ｂが形成され
電極膜２ｂとノズル板３とは軟鑞４ａを介し同心
軸になるよう接合がされていた。さらにノズル板
３の他方の端と、ボデイー５は軟鑞４ｂを介し同
心軸になるよう接合されていた。Conventional configuration and problems thereof A conventional atomizing pump of this type has a configuration as shown in FIG. That is, electrode films 2a and 2b were formed on opposing smooth surfaces of the electric vibrator 1, and the electrode film 2b and the nozzle plate 3 were joined to form concentric axes via a soft solder 4a. Furthermore, the other end of the nozzle plate 3 and the body 5 were joined via soft solder 4b so as to form concentric axes.
電気振動子１は主成分がPbO，TrO2，ZrO2，
NbO，MgOからなるセラミツク体で、円形中央
部に開口部を設けたリング形状を有し、電極膜２
ａ，２ｂは、銀系の厚膜用導電性ペーストの焼結
体あるいは、金属の蒸気膜などが用いられ、ノズ
ル板３は厚さ約50μm程度でデイスク状に加工さ
れた金属板が用いられ、その中央部にはノズル孔
６の貫通孔（孔径約70〜100μm）が、複数個設け
られていた。電極膜２ａは外部リード線接続用電
極であり、ボデイー５には液体通路７および液体
室８が設けられていた。 The main components of the electric vibrator 1 are PbO, TrO 2 , ZrO 2 ,
It is a ceramic body made of NbO and MgO, and has a ring shape with an opening in the center of the circle.
For a and 2b, a sintered body of silver-based thick film conductive paste or a metal vapor film is used, and the nozzle plate 3 is a metal plate processed into a disk shape with a thickness of about 50 μm. , a plurality of through holes (hole diameter approximately 70 to 100 μm) for nozzle holes 6 were provided in the center thereof. The electrode film 2a was an electrode for connecting an external lead wire, and the body 5 was provided with a liquid passage 7 and a liquid chamber 8.
尚、動作時の電気−機械エネルギー変換効率を
効率よくするため、接合部に空隙を作らないとい
う理由から、上述の電極膜２ｂは電気振動子１の
平滑面上全体に形成されていた。また、電極膜２
ａも同一形状によりパターン形成がなされてい
た。従来の霧化ポンプユニツトは、以上の様にし
て構成がなされていた。 In order to improve the electrical-mechanical energy conversion efficiency during operation, the electrode film 2b described above was formed on the entire smooth surface of the electric vibrator 1 because no voids were created at the joint. In addition, the electrode film 2
A was also patterned with the same shape. A conventional atomizing pump unit was constructed as described above.
この構成では、電極間距離が小となるため、
芥、汚れ等の影響で電気絶縁不良を生じやすいと
いう欠点を有していた。 In this configuration, the distance between the electrodes is small, so
It has the disadvantage of being susceptible to electrical insulation failure due to the influence of dust, dirt, etc.
発明の目的
本発明は、かかる従来の欠点を解消するもの
で、電気−機械エネルギー変換効率を損うことが
なく電気絶縁性を向上させた実用性の高い霧化ポ
ンプユニツトを提供することを目的とする。Purpose of the Invention The present invention aims to eliminate such conventional drawbacks, and provides a highly practical atomizing pump unit that improves electrical insulation without impairing electrical-mechanical energy conversion efficiency. shall be.
発明の構成
この目的を達成するために本発明は、霧化ポン
プユニツト構成において、電気振動子に設けられ
た接合側の電極膜を該振動子の平滑面全体に形成
し、さらに他方の電極膜を該振動子のリング形状
平滑面の外周および内周の端部より、それぞれ内
部になるよう縁取部を設け、平滑面に形成した電
極構造を設けたものである。この構成によつて、
電極間距離が大となり沿面距離が伸びるため、電
気絶縁性は向上することができる。Structure of the Invention In order to achieve this object, the present invention has an atomizing pump unit structure in which an electrode film on the joining side provided on an electric vibrator is formed over the entire smooth surface of the vibrator, and furthermore, the other electrode film is formed on the entire smooth surface of the electric vibrator. Edges are provided inside the outer and inner edges of the ring-shaped smooth surface of the vibrator, respectively, and an electrode structure formed on the smooth surface is provided. With this configuration,
Since the distance between the electrodes becomes large and the creepage distance increases, electrical insulation can be improved.
実施例の説明
以下、本発明の一実施例を第２図を用いて説明
する。尚、第１図と同一部材については、同一番
号を付している。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. Note that the same members as in FIG. 1 are given the same numbers.
第１図において、電気振動子１はリング状（寸
法：外径φ10×内径φ4厚さ１ｍ／ｍ）からなる圧
電素子で、従来と同じものを選んだ。電気振動子
１の上部平滑面側には、振動子１の外周および内
周にそれぞれ縁取部を設けた状態で、電極膜２１
ａ（外径約φ9×内径約φ5）が、パターン形成され
ている。また、該振動子の下部平滑面側には、平
滑面全体に電極膜２１ｂが、パターン形成されて
いる。次に、電極膜２１ｂとノズル板３とは、軟
鑞４ａを介して接合され、さらにノズル板３の他
方の面と、ボデイー５は、軟鑞４ｂを介して接合
される。ボデイー５には、液体通路７および液体
室８が設けられている。電気振動子１の電極構造
以外は、従来と同じ部材ならびに同一条件でおこ
なつた。 In FIG. 1, the electric vibrator 1 is a ring-shaped piezoelectric element (dimensions: outer diameter φ10 x inner diameter φ4 thickness 1 m/m), which is the same as the conventional one. On the upper smooth surface side of the electric vibrator 1, an electrode film 21 is attached, with edge portions provided on the outer and inner circumferences of the vibrator 1, respectively.
a (outer diameter approximately φ9×inner diameter approximately φ5) is patterned. Further, on the lower smooth surface side of the vibrator, an electrode film 21b is patterned over the entire smooth surface. Next, the electrode film 21b and the nozzle plate 3 are joined together via a soft solder 4a, and further the other surface of the nozzle plate 3 and the body 5 are joined via a soft solder 4b. The body 5 is provided with a liquid passage 7 and a liquid chamber 8. Except for the electrode structure of the electric vibrator 1, the experiment was carried out using the same members and under the same conditions as the conventional one.
上記構成において、電極膜２１ｂは、電気振動
子１の平滑面全体にパターン形成し、電極膜２１
ａは、該振動子１の平滑面端部より縁取部を設け
た状態でパターン形成する。従つて、ノズル板３
との接合部は、従来と同一構造がとれるので、電
気−機械エネルギー変換効率を損うことがなく、
しかも、電極膜２１ａ−電極膜２１ｂ間の沿面距
離は大きくすることができる。そのため、電気絶
縁性を高める効果が得られる。 In the above configuration, the electrode film 21b is patterned over the entire smooth surface of the electric vibrator 1, and
In a, a pattern is formed with a border provided from the end of the smooth surface of the vibrator 1. Therefore, nozzle plate 3
Since the joint with the conventional one can have the same structure, there is no loss of electrical-mechanical energy conversion efficiency.
Moreover, the creeping distance between the electrode film 21a and the electrode film 21b can be increased. Therefore, the effect of improving electrical insulation can be obtained.
発明の効果
以上のように本発明の霧化ポンプユニツトによ
れば、次の効果が得られる。Effects of the Invention As described above, according to the atomizing pump unit of the present invention, the following effects can be obtained.
電気振動子の接合側（下部側）の電極膜は、該
振動子の平滑面全体に形成し、他方（上部側）の
電極膜は該振動子の平滑面端部に縁取部を設けた
パターン形成のため、動作時の電気−機械エネル
ギー変換効率を損うことがなく、沿面距離を大き
くして電気絶縁性を高める効果が得られる。 The electrode film on the bonding side (lower side) of the electric vibrator is formed on the entire smooth surface of the vibrator, and the electrode film on the other side (upper side) has a pattern in which a border is provided at the edge of the smooth surface of the vibrator. Because of the formation, the electrical-to-mechanical energy conversion efficiency during operation is not impaired, and the effect of increasing the creepage distance and improving electrical insulation can be obtained.
第１図は従来の構成による霧化ポンプユニツト
を示す断面図、第２図は本発明の一実施例を示す
断面図である。
１……電気振動子、２１ａ……電極膜、２１ｂ
……電極膜、３……ノズル板、４ａ……軟鑞、４
ｂ……軟鑞、５……ボデイー、６……ノズル孔、
７……液体通路、８……液体室。
FIG. 1 is a sectional view showing a conventional atomizing pump unit, and FIG. 2 is a sectional view showing an embodiment of the present invention. 1... Electric vibrator, 21a... Electrode film, 21b
... Electrode film, 3 ... Nozzle plate, 4a ... Soft solder, 4
b... Soft solder, 5... Body, 6... Nozzle hole,
7...Liquid passage, 8...Liquid chamber.
Claims (1)
膜を設けた電気振動子と、一ないし一以上のノズ
ル孔を設けたノズル板と、これらを支持するボデ
イーとからなり、前記電極膜の一方を含めた前記
電気振動子と前記ノズル板、さらに前記ノズル板
の裏面とボデイーとが、それぞれ同心軸に位置す
るように接合され、前記電気振動子に設けられた
接合側の電極膜は前記振動子の平滑面全体に形成
し、他方の電極膜は振動子のリング形状平滑面の
外周および内周の端部より、それぞれ内部になる
よう平滑面に縁取部を設けた状態でパターン形成
した霧化ポンプユニツト。1. Consists of an electric vibrator having a ring shape and having an electrode film on opposing smooth surfaces, a nozzle plate having one or more nozzle holes, and a body supporting these, The electric vibrator including one side and the nozzle plate, and the back surface of the nozzle plate and the body are bonded so that they are located on concentric axes, respectively, and the electrode film on the bonding side provided on the electric vibrator is connected to the nozzle plate. The electrode film was formed on the entire smooth surface of the vibrator, and the other electrode film was patterned with a border on the smooth surface so that it was inside the outer and inner edges of the ring-shaped smooth surface of the vibrator. Atomization pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19643682A JPS5987064A (en) | 1982-11-09 | 1982-11-09 | Atomizing pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19643682A JPS5987064A (en) | 1982-11-09 | 1982-11-09 | Atomizing pump unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5987064A JPS5987064A (en) | 1984-05-19 |
| JPS6324749B2 true JPS6324749B2 (en) | 1988-05-23 |
Family
ID=16357791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19643682A Granted JPS5987064A (en) | 1982-11-09 | 1982-11-09 | Atomizing pump unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5987064A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59003979D1 (en) * | 1990-12-24 | 1994-02-03 | Pall Corp | Arrangement for connecting two fluid system sections. |
-
1982
- 1982-11-09 JP JP19643682A patent/JPS5987064A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5987064A (en) | 1984-05-19 |
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