JPH0233545A - Oscillator for ultrasonic wave humidifier - Google Patents
Oscillator for ultrasonic wave humidifierInfo
- Publication number
- JPH0233545A JPH0233545A JP18230888A JP18230888A JPH0233545A JP H0233545 A JPH0233545 A JP H0233545A JP 18230888 A JP18230888 A JP 18230888A JP 18230888 A JP18230888 A JP 18230888A JP H0233545 A JPH0233545 A JP H0233545A
- Authority
- JP
- Japan
- Prior art keywords
- reinforcing plate
- adhesive
- holes
- vibrator
- piezo
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 20
- 239000002184 metal Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 abstract description 13
- 230000001070 adhesive effect Effects 0.000 abstract description 12
- 239000004593 Epoxy Substances 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910000679 solder Inorganic materials 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
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、超音波加湿器に使用する超音波加湿器用振動
子に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an ultrasonic humidifier vibrator used in an ultrasonic humidifier.
従来の技術
従来、この種の超音波加湿器用振動子は、第３図に示す
ような構成であった。第３図において、１は圧電磁器振
動子であり、その上面に全面電極部２を形成し、他面中
央部に部分電極部３を設け、かつ前記振動子−１の側部
を介して他面外周端に前記全面電極部２の一部と接続し
て形成した副電極部４より構成されている。そして、前
記全面電極部２に金属製薄板５をエポキシ系接着剤６′
ｆ！：介して接着し、水面への放射面として耐食性を向
上させたものであった。BACKGROUND OF THE INVENTION Conventionally, a vibrator for an ultrasonic humidifier of this type has a structure as shown in FIG. In FIG. 3, reference numeral 1 denotes a piezoelectric ceramic vibrator, which has a full-surface electrode portion 2 formed on its upper surface, a partial electrode portion 3 provided at the center of the other surface, and a It is composed of a sub-electrode section 4 formed at the outer peripheral edge of the surface and connected to a part of the full-surface electrode section 2. Then, a metal thin plate 5 is attached to the entire surface electrode part 2 using an epoxy adhesive 6'.
f! : Adhesion was made through the material to improve corrosion resistance as a radiation surface to the water surface.
発明が解決しようとする課題
このような従来の構成では、圧電磁器振動子の電極面が
直接液体に接触して電極が破壊されるのを防ぐ目的とし
て金属製薄板を振動子の全面電極部に接着しているが、
液体がない状態で全駆動（空だき）した場合に、接着部
が機械的あるいは熱的破壊を生じるという課題があった
。Problems to be Solved by the Invention In such a conventional configuration, a thin metal plate is placed on the entire electrode part of the piezoelectric vibrator in order to prevent the electrode surface of the piezoelectric ceramic vibrator from coming into direct contact with liquid and damaging the electrode. Although it is glued,
There was a problem in that the bonded part would be mechanically or thermally destroyed if it was fully driven (dry fired) without any liquid.
本発明はこのような課題を解決するもので、圧電磁器振
動子とセラミック製あるいは金属製よりなる補強板との
接着部が、機械的、熱的に強い接着構成をもった超音波
加湿器用振動子を提供することを目的とするものである
。The present invention solves these problems, and provides a vibrator for an ultrasonic humidifier in which the adhesive part between the piezoelectric ceramic vibrator and the reinforcing plate made of ceramic or metal has a mechanically and thermally strong adhesive structure. The purpose is to provide children.
課題を解決するだめの手段
このような課題を解決するために本発明は、片面に形成
した全面電極部と、側部を介して前記全面電極部と接続
して形成した他面外周の副電極部と、他面中央部に部分
電極部を設けてなる圧電磁器振動子の前記全面電極部に
、複数個の透孔をもつセラミック製あるいは金属製より
なる補強板を接着してなる構成としたものである。Means for Solving the Problems In order to solve these problems, the present invention provides a full-surface electrode portion formed on one side, and a sub-electrode formed on the outer periphery of the other surface connected to the full-surface electrode portion via a side portion. A piezoelectric ceramic vibrator is formed by bonding a reinforcing plate made of ceramic or metal and having a plurality of through holes to the full electrode part of the piezoelectric ceramic vibrator, which has one part and a partial electrode part in the center of the other face. It is something.
作用
この構成により、圧電磁器振動子と補強板との接着層が
補強板に設けた透孔部にはみ出して接着層全拡大するこ
とにより、接着力を上げることができる。また、透孔部
を設けることにより、振動子の発熱が補強板に伝わり難
くするため熱的にも接着性を確保することができる。Effect: With this configuration, the adhesive layer between the piezoelectric ceramic vibrator and the reinforcing plate protrudes into the through hole provided in the reinforcing plate and the entire adhesive layer is expanded, thereby increasing the adhesive strength. Further, by providing the through-hole portion, heat generated by the vibrator is difficult to be transmitted to the reinforcing plate, so that thermal adhesion can be ensured.
実施例
以下、本発明の一実施例について図面を参照しながら説
明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例による超音波加湿器用振動子
の断面図であり、第２図は同振動子を構成する補強板の
上面図である。図において、１１は圧電磁器振動子であ
り、その一方の面に全面電極部１２を形成し、他面中央
部に部分電極部１３を設け、かつ側部を介して前記全面
電極部１２の一部と電気接続した副電極部１４全形成し
ている。FIG. 1 is a sectional view of a vibrator for an ultrasonic humidifier according to an embodiment of the present invention, and FIG. 2 is a top view of a reinforcing plate constituting the vibrator. In the figure, reference numeral 11 denotes a piezoelectric ceramic vibrator, which has a full-surface electrode portion 12 formed on one surface, a partial electrode portion 13 at the center of the other surface, and a portion of the full-surface electrode portion 12 via the side portion. A sub-electrode section 14 electrically connected to the sub-electrode section 14 is entirely formed.
そして、前記全面電極部１２に複数個の透孔１６を設け
てなる金属製の補強板１６を、例えばフィラーを混入し
たエポキシ系高耐熱接着剤１７を介して接着して構成さ
れている。ここで、補強板１６としては恒弾性材料より
なる金属製補強板あるいはセラミック製補強板を用いる
ことにより、圧電磁器振動子１１との線膨張係数を合わ
せることができ、熱的変化に強いものとなる。また、接
着剤１７としては透孔１５をもつ補強板１６を貼り合わ
せるため、フィラーなどのセラミック粉体を合成した高
耐熱接着剤やハンダなど、幅広い接着剤を選定できる。A metal reinforcing plate 16 in which a plurality of through holes 16 are provided in the entire electrode portion 12 is bonded to the electrode portion 12 using, for example, an epoxy-based high heat-resistant adhesive 17 containing a filler. Here, by using a metal reinforcing plate made of a constant elastic material or a ceramic reinforcing plate as the reinforcing plate 16, the coefficient of linear expansion can be matched with that of the piezoelectric ceramic vibrator 11, and it can be made resistant to thermal changes. Become. Further, since the reinforcing plate 16 having the through holes 15 is bonded together as the adhesive 17, a wide range of adhesives can be selected, such as a high heat-resistant adhesive synthesized with ceramic powder such as filler, or solder.
発明の効果
以上のように本発明によれば、透孔を設けた補強板を圧
電磁器振動子に接着した構成のため、機械的な接着強度
が高く、温度変化による接着ひずみが軽減でき、空だき
耐久性を向上させることができるものである。そして、
補強板に透孔を有した構成のため、補強板と圧電磁器振
動子間の接着強度が向上し、超音波出力が高まる効果が
ある。Effects of the Invention As described above, according to the present invention, since the reinforcing plate provided with through holes is bonded to the piezoelectric ceramic vibrator, mechanical bonding strength is high, bonding strain due to temperature changes can be reduced, and air It is possible to improve the durability. and,
Since the reinforcing plate has a through hole, the adhesive strength between the reinforcing plate and the piezoelectric ceramic vibrator is improved, which has the effect of increasing the ultrasonic output.
第１図は本発明の一実施例による超音波加湿器用振動子
を示す断面図、第２図は同振動子全構成する補強板の上
面図、第３図は従来の超音波加湿器用振動子を示す断面
図である。
１１・・・・・・圧電磁器振動子、１２・・・・・・全
面電極部、１３・・・・・・部分電極部、１４・・・・
・・副電極部、１６・・・・・・透孔、１６・・・・・
・補強板、１７・・・・・・エポキシ系高温接着剤。
代理人の氏名 弁理士 粟 野 重 孝 ほか１名第１
図
／１７ＩＷ７湛利刺
第２図
第３図
／Fig. 1 is a cross-sectional view showing a vibrator for an ultrasonic humidifier according to an embodiment of the present invention, Fig. 2 is a top view of a reinforcing plate that constitutes the entire vibrator, and Fig. 3 is a conventional vibrator for an ultrasonic humidifier. FIG. 11... Piezoelectric ceramic vibrator, 12... Full electrode part, 13... Partial electrode part, 14...
...Sub-electrode part, 16...Through hole, 16...
- Reinforcement plate, 17... Epoxy high temperature adhesive. Name of agent: Patent attorney Shigetaka Awano and 1 other person 1st
Figure/17IW7 Manri-sashi Figure 2 Figure 3/
Claims (1)
極部と接続して形成した他面外周の副電極部と、他面中
央部に部分電極部を設けてなる圧電磁器振動子の前記全
面電極部に、複数の透孔をもつセラミック製あるいは金
属製よりなる補強板を接着してなる超音波加湿器用振動
子。A piezoelectric ceramic vibrator comprising a full-surface electrode portion formed on one surface, a sub-electrode portion formed on the outer periphery of the other surface connected to the full-surface electrode portion via a side portion, and a partial electrode portion provided in the center of the other surface. A vibrator for an ultrasonic humidifier, in which a reinforcing plate made of ceramic or metal and having a plurality of through holes is adhered to the entire electrode portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230888A JPH0233545A (en) | 1988-07-21 | 1988-07-21 | Oscillator for ultrasonic wave humidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230888A JPH0233545A (en) | 1988-07-21 | 1988-07-21 | Oscillator for ultrasonic wave humidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233545A true JPH0233545A (en) | 1990-02-02 |
Family
ID=16116023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18230888A Pending JPH0233545A (en) | 1988-07-21 | 1988-07-21 | Oscillator for ultrasonic wave humidifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233545A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746373A (en) * | 1995-02-22 | 1998-05-05 | Fuji Photo Film Co., Ltd. | Liquid injection apparatus |
| CN113262923A (en) * | 2020-02-14 | 2021-08-17 | 深圳麦克韦尔科技有限公司 | Micropore atomization sheet and atomization device |
-
1988
- 1988-07-21 JP JP18230888A patent/JPH0233545A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5746373A (en) * | 1995-02-22 | 1998-05-05 | Fuji Photo Film Co., Ltd. | Liquid injection apparatus |
| CN113262923A (en) * | 2020-02-14 | 2021-08-17 | 深圳麦克韦尔科技有限公司 | Micropore atomization sheet and atomization device |
| CN113262923B (en) * | 2020-02-14 | 2023-11-28 | 深圳麦克韦尔科技有限公司 | Microporous atomizing sheet and atomizing device |
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