JPH0210709B2 - - Google Patents
Info
- Publication number
- JPH0210709B2 JPH0210709B2 JP1232984A JP1232984A JPH0210709B2 JP H0210709 B2 JPH0210709 B2 JP H0210709B2 JP 1232984 A JP1232984 A JP 1232984A JP 1232984 A JP1232984 A JP 1232984A JP H0210709 B2 JPH0210709 B2 JP H0210709B2
- Authority
- JP
- Japan
- Prior art keywords
- nozzle plate
- electric vibrator
- vibration
- atomization
- electrode film
- 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
- 238000005452 bending Methods 0.000 claims description 6
- 239000007767 bonding agent Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 15
- 239000010408 film Substances 0.000 description 11
- 238000000889 atomisation Methods 0.000 description 10
- 239000010410 layer Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000833 kovar Inorganic materials 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film 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
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Special Spraying Apparatus (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (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
に構成されていた。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とは固着層４ａを介
して接合がされていた。さらにノズル板３の他方
の面と、ボデイー５は固着層４ｂを介して接合さ
れていた。Conventional configuration and its problems Conventionally, this type of atomizing pump has been configured 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 bonded via the fixing layer 4a. Further, the other surface of the nozzle plate 3 and the body 5 were bonded to each other via an adhesive layer 4b.
電気振動子１は、主成分がPbO、TiO2、ZrO2
など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２ａ，２ｂ
は、厚膜用導電性ペーストの焼結体や、金属を蒸
着した金属薄膜体などからなり、ノズル板３は厚
さ約50〜100ｍμ程度の、金属円板で、コバール
やステンレスなどが用いられていた。さらに、ノ
ズル板３はその中央部に１つまたは複数個の貫通
したノズル孔６（孔径約70〜100ｍμ）が設けら
れそいた。固着層４ａ，４ｂには、樹脂接着剤や
半田などが用いられていた。尚、各接合部の固着
層４ａ，４ｂから固着剤の外出を防ぐため、レジ
スト膜（図省略）により、外出の流れを位置規制
する手段もおこなわれている。 The main components of the electric vibrator 1 are PbO, TiO 2 , and ZrO 2
The electrode film 2a, 2b has a ring shape with an opening in the circular center.
The nozzle plate 3 is made of a sintered body of conductive paste for thick film, a metal thin film body on which metal is vapor-deposited, etc., and the nozzle plate 3 is a metal disc with a thickness of about 50 to 100 mμ, and Kovar, stainless steel, etc. are used. was. Further, the nozzle plate 3 was provided with one or more penetrating nozzle holes 6 (hole diameter approximately 70 to 100 mμ) in its center. A resin adhesive, solder, or the like has been used for the fixing layers 4a, 4b. In order to prevent the adhesive from coming out from the adhesive layers 4a and 4b of each joint, a resist film (not shown) is used to positionally restrict the flow of the adhesive.
次に電極膜２ａは、発振回路（図省略）からの
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、液体室８の上
面の円周部には、ノズル板３を接合する固定部９
が設けられている。このとき、ノズル板３の振動
系は第２図に示したように、電気振動子１の径振
動（図中矢印）により加振され、撓み振動（図
示矢印）に変換される。ノズル板３の撓み振動
が効率良く励起される為、電気振動子１の内径d1
と固定部９の内径d2の構成比を一定化して、振動
の節（図中△印）が電気振動子１の内周に近接す
る様、組立がされている。この様にして霧化ポン
プは構成されていた。 Next, the electrode film 2a is an electrode for connecting a lead wire from an oscillation circuit (not shown), and the body 5 is provided with a liquid passage 7 and a liquid chamber 8, and a circumferential portion of the upper surface of the liquid chamber 8 is provided with a liquid passage 7 and a liquid chamber 8. Fixing part 9 that joins the nozzle plate 3
is provided. At this time, as shown in FIG. 2, the vibration system of the nozzle plate 3 is excited by the radial vibration (arrow in the figure) of the electric vibrator 1, which is converted into flexural vibration (arrow in the figure). In order to efficiently excite the bending vibration of the nozzle plate 3, the inner diameter d 1 of the electric vibrator 1
The electric vibrator 1 is assembled so that the vibration node (indicated by △ in the figure) is close to the inner periphery of the electric vibrator 1 by keeping the composition ratio of the inner diameter d 2 of the fixed part 9 constant. The atomizing pump was constructed in this manner.
この構成では、各構成部材の組立による公差な
どにより、d1とd2の径軸ズレが生じることや、固
着剤の規制位置からの一部流れ出しなどによるノ
ズル板の厚み変化などにより、節部の生成位置が
ルーズになる欠点があり、結果として液体を噴霧
する霧化特性の効率が低下するという問題があつ
た。 With this configuration, radial axis misalignment between d 1 and d 2 may occur due to assembly tolerances of each component, and changes in the thickness of the nozzle plate due to some of the adhesive flowing out from the regulated position, etc. This has the disadvantage that the generation position of the liquid is loose, resulting in a problem that the efficiency of the atomization characteristic of atomizing the liquid is reduced.
発明の目的
本発明は、かかる従来の欠点を除去するもの
で、霧化ポンプの構成において、ノズル板の振動
系の節を一定化し、霧化特性の安定した霧化ポン
プ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 to provide an atomization pump with stable atomization characteristics by making the nodes of the vibration system of the nozzle plate constant in the configuration of the atomization pump. shall be.
発明の構成
この目的を構成するために本発明は、電気振動
子とノズル板と、これらを支持するボデイーと
が、それぞれ固着剤で接合された構成からなり、
前記のノズル板の面上には、撓み振動を生じる振
動系の節部生成位置に一致した部分に、切溝を設
けたものである。Structure of the Invention In order to achieve this object, the present invention has a structure in which an electric vibrator, a nozzle plate, and a body supporting these are each joined with an adhesive,
A cut groove is provided on the surface of the nozzle plate at a portion corresponding to a position where a node of the vibration system that generates bending vibration is generated.
この構成によつて、ノズル板の切溝を設けた部
分の剛性は低下される。従つて、ノズル板中央部
の撓み振動は、剛性の低い切溝部を起点にして振
動運動がなされる。そのため、振動系の節は一定
化され、結果として霧化特性の安定化が図れるも
のである。 This configuration reduces the rigidity of the portion of the nozzle plate where the grooves are provided. Therefore, the bending vibration of the center portion of the nozzle plate causes vibration movement starting from the kerf portion having low rigidity. Therefore, the nodes of the vibration system are made constant, and as a result, the atomization characteristics can be stabilized.
実施例の説明
以下、本発明の一実施例を、第３図、第４図を
用いて説明する。尚、これらの図において、第１
図、第２図と同じものについては、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 FIGS. 3 and 4. In addition, in these figures, the first
Components that are the same as those in FIG. 2 are given the same numbers.
第３図において、電気振動子１は外径約10mm、
開口径約4.0mm、厚さ1.0mmのリング状で、従来例
と同様のもので、電極膜２ａ，２ｂが形成されて
いる。ノズル板３は、厚さ約50〜100ｍμ程度の
金属円板（外径約16mm）で、コバールやステンレ
ス等の従来例と同様のものを選んだ。第４図ａに
示すようにノズル板３の片面の所定位置（d1／d2
の構成比において、生成する振動の節部位置）に
は、幅約30ｍμ、深さ約10ｍμのエツチング加工
による切溝１０が、環状に設けられている。ノズ
ル板３の中央部には複数個のノズル孔６が設けら
れている。 In Fig. 3, the electric vibrator 1 has an outer diameter of approximately 10 mm.
It has a ring shape with an opening diameter of about 4.0 mm and a thickness of 1.0 mm, and is similar to the conventional example, and electrode films 2a and 2b are formed thereon. The nozzle plate 3 is a metal disc (outside diameter of about 16 mm) with a thickness of about 50 to 100 mμ, and is made of Kovar, stainless steel, or the like used in conventional examples. As shown in FIG. 4a, a predetermined position (d 1 /d 2
An etched groove 10 having a width of about 30 mμ and a depth of about 10 mμ is provided in an annular shape at the node position of the generated vibration in the composition ratio. A plurality of nozzle holes 6 are provided in the center of the nozzle plate 3.
ついで、電気振動子１の電極膜２ｂと、ノズル
板３の一方の面は、従来例と同様の固着層４ａを
介して接合がされ、ノズル板３の他方の面とボデ
イー５と固定部９とは、固着層４ｂを介して接合
がされる。また、ボデイー５の液体通路７、液体
室８などは従来例と同じ構造にしている。 Next, the electrode film 2b of the electric vibrator 1 and one surface of the nozzle plate 3 are bonded via the fixing layer 4a similar to the conventional example, and the other surface of the nozzle plate 3, the body 5, and the fixing part 9 are bonded together. The bonding is performed via the fixed layer 4b. Further, the liquid passage 7, liquid chamber 8, etc. of the body 5 have the same structure as the conventional example.
電極膜２ａは、発振回路（図省略）からのリー
ド線接続用電極である。 The electrode film 2a is an electrode for connecting a lead wire from an oscillation circuit (not shown).
上記構成において、発振回路からの電圧印加に
より、電気振動子１は発振され、固着層４ｂを介
して、ノズル板３を加振する。ノズル板３は、第
２図の点線で示した様に、撓み振動をする。その
結果、液体室８に充填された液体は加圧され、ノ
ズル孔６を介して噴霧化される。 In the above configuration, the electric vibrator 1 is oscillated by voltage application from the oscillation circuit, and vibrates the nozzle plate 3 via the fixed layer 4b. The nozzle plate 3 bends and vibrates as shown by the dotted line in FIG. As a result, the liquid filled in the liquid chamber 8 is pressurized and atomized through the nozzle hole 6.
噴霧化は、振動特性に依存されるため、ノズル
板３の振動運動を安定にすることが必要であつ
た。 Since atomization depends on vibration characteristics, it was necessary to stabilize the vibration movement of the nozzle plate 3.
従つて、本発明の構成では、ノズル板３の面上
に、上述の様な振動の節部生成位置に、切溝を設
けているため、その部分の剛性が低下する。その
結果、ノズル板３の中央の撓み振動は、切溝部を
起点に振動運動し易くなり、振動系の節はこの位
置に一定化することができ、結果として霧化特性
を安定化することができる。 Therefore, in the configuration of the present invention, since the grooves are provided on the surface of the nozzle plate 3 at the positions where the vibration nodes are generated as described above, the rigidity of that portion is reduced. As a result, the bending vibration at the center of the nozzle plate 3 becomes easier to vibrate starting from the kerf, and the nodes of the vibration system can be kept constant at this position, and as a result, the atomization characteristics can be stabilized. can.
なお、切溝の構造は、第４図ｂ，ｃに示した様
にノズル板３の他方の面上、あるいは、両面上に
切溝を設けたものでも、同様の効果が得られるこ
とは明白である。 It is clear that the same effect can be obtained even if the groove structure is provided on the other side of the nozzle plate 3 or on both sides as shown in FIGS. 4b and 4c. It is.
発明の効果
以上のように、本発明の霧化ポンプによれば、
ノズル板の面上（d1／d2構成比において、振動系
の節部生成位置）に、切溝を設けることにより、
その部分の剛性を低下させ、ノズル板の中央の撓
み振動の起点を、その部分に固定し易くしてい
る。したがつて、従来のように各構成部材の径軸
ズレや固着剤の流れ出しなどによる原因で、振動
系の節部が不安定になるなどの問題は解消でき、
霧化特性の安定化が図れる。Effects of the Invention As described above, according to the atomization pump of the present invention,
By providing a cut groove on the surface of the nozzle plate (at the node generation position of the vibration system in the d 1 / d 2 composition ratio),
The rigidity of that part is lowered to make it easier to fix the origin of bending vibration in the center of the nozzle plate to that part. Therefore, conventional problems such as instability of nodes in the vibration system due to misalignment of the radial axis of each component or outflow of adhesive can be eliminated.
Atomization characteristics can be stabilized.
第１図は従来の霧化ポンプの断面図、第２図は
霧化ポンプの基本動作を説明する断面図、第３図
は本発明の一実施例を示す霧化ポンプ断面図、第
４図ａ，ｂ，ｃは本発明の要部を説明する断面図
である。
１……電気振動子、２ａ……電極膜、２ｂ……
電極膜、３……ノズル板、４ａ……固着層、４ｂ
……固着層、５……ボデイー、６……ノズル孔、
７……液体通路、８……液体室、９……固定部、
１０……切溝。
Fig. 1 is a sectional view of a conventional atomizing pump, Fig. 2 is a sectional view explaining the basic operation of an atomizing pump, Fig. 3 is a sectional view of an atomizing pump showing an embodiment of the present invention, and Fig. 4 a, b, and c are cross-sectional views illustrating essential parts of the present invention. 1... Electric vibrator, 2a... Electrode film, 2b...
Electrode film, 3... Nozzle plate, 4a... Fixed layer, 4b
... fixed layer, 5 ... body, 6 ... nozzle hole,
7...Liquid passage, 8...Liquid chamber, 9...Fixing part,
10... Cut groove.
Claims (1)
気振動子と、この電気振動子によつて加振される
ノズル板と、これらを支持するボデイーとが、そ
れぞれ固着剤で接合された構成からなり、前記ノ
ズル板の面上において、ノズル板が電気振動子に
よつて加振され撓み振動を生じる振動系の節部に
切溝を設けた霧化ポンプ。1. An electric vibrator with an electrode film provided on opposing substantially smooth main surfaces, a nozzle plate excited by this electric vibrator, and a body supporting these are each bonded with a bonding agent. An atomizing pump comprising: a groove provided on the surface of the nozzle plate at a node of a vibration system where the nozzle plate is vibrated by an electric vibrator to generate bending vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1232984A JPS60153963A (en) | 1984-01-25 | 1984-01-25 | Atomizing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1232984A JPS60153963A (en) | 1984-01-25 | 1984-01-25 | Atomizing pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60153963A JPS60153963A (en) | 1985-08-13 |
| JPH0210709B2 true JPH0210709B2 (en) | 1990-03-09 |
Family
ID=11802265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1232984A Granted JPS60153963A (en) | 1984-01-25 | 1984-01-25 | Atomizing pump |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60153963A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2554232B2 (en) * | 1993-04-08 | 1996-11-13 | クマノ厨房工業株式会社 | Cleaning method in a cleaning machine for cleaning objects |
-
1984
- 1984-01-25 JP JP1232984A patent/JPS60153963A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60153963A (en) | 1985-08-13 |
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