JPH01222598A - Piezoelectric sounding body - Google Patents
Piezoelectric sounding bodyInfo
- Publication number
- JPH01222598A JPH01222598A JP4803188A JP4803188A JPH01222598A JP H01222598 A JPH01222598 A JP H01222598A JP 4803188 A JP4803188 A JP 4803188A JP 4803188 A JP4803188 A JP 4803188A JP H01222598 A JPH01222598 A JP H01222598A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- wiring board
- printed wiring
- support
- sounding
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 4
- 239000004033 plastic Substances 0.000 claims abstract description 4
- 229920003023 plastic Polymers 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 14
- 210000000078 claw Anatomy 0.000 abstract description 4
- 238000005476 soldering Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、薄い圧電磁器板を薄い金属基板に貼り合わせ
た圧電撮動板をケースに収納し保持した構成で、各種警
報器やキー操作確認音などの発音用に使用される圧電発
音体に関するものである。[Detailed Description of the Invention] Industrial Field of Application The present invention has a structure in which a piezoelectric imaging plate made by bonding a thin piezoelectric ceramic plate to a thin metal substrate is housed and held in a case. This relates to a piezoelectric sounding body used for producing sounds such as.
従来の技術
従来、この種の圧電発音体は、第２図に示すような構成
であった。第２図において、１は薄い圧電磁器板２に薄
い金属基板３を貼り合わせた構造の圧電振動板１である
。この圧電撮動板１を放音孔６を持ったケース４と端子
６を嵌合固定する端子板７で挾持支持しており、圧電振
動板１と端子６は端子６と一体に形成されている切起片
８のバネ弾性力で接触させ電気的な接続させている。BACKGROUND OF THE INVENTION Conventionally, this type of piezoelectric sounding body has had a structure as shown in FIG. In FIG. 2, reference numeral 1 denotes a piezoelectric diaphragm 1 having a structure in which a thin piezoelectric ceramic plate 2 and a thin metal substrate 3 are bonded together. This piezoelectric imaging plate 1 is sandwiched and supported by a case 4 having a sound emitting hole 6 and a terminal plate 7 that fits and fixes the terminal 6, and the piezoelectric diaphragm 1 and the terminal 6 are integrally formed with the terminal 6. They are brought into contact and electrically connected by the spring elastic force of the cut and raised pieces 8.
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、ケース４とケース−に開け
た放音孔６で音響共鳴器を構成しているが、周波数が変
わると放音孔５の大きさを変えて対応しなければならな
い。そのため周波数が変わるとケース４を成形する金型
を周波数に合わせて作らなければならないという問題が
あった。Problems to be Solved by the Invention In such a conventional configuration, an acoustic resonator is formed by the case 4 and the sound emission hole 6 formed in the case, but when the frequency changes, the size of the sound emission hole 5 is changed. We have to change and respond. Therefore, there was a problem in that when the frequency changed, the mold for molding the case 4 had to be made in accordance with the frequency.
本発明はこのような問題点を解決するもので、周波数が
変わっても圧電発音体のケースの成形金型を変えること
なく対応できる圧電発音体を提供することを目的とする
ものである。The present invention is intended to solve these problems, and aims to provide a piezoelectric sounding element that can handle changes in frequency without changing the molding die for the case of the piezoelectric sounding element.
課題を解決するための手段
この課題を解決するために本発明は、金属板などの薄板
に圧電素子を貼り合わせた圧電振動板と、前記圧電撮動
板を取り付けるプラスチックなどの絶縁体よりなる支持
体と、支持体に固定された複数本の金属リード端子とか
らなり、プリント配線板に端子のはんだ付けと支持体に
一体に形成された固定用爪で密着固定させ、圧電振動板
と支持体およびプリント配線板で囲まれた空間とプリン
ト配線板に設けた放音孔で音響共鳴器を構成させたもの
である。Means for Solving the Problem In order to solve this problem, the present invention provides a piezoelectric diaphragm in which a piezoelectric element is bonded to a thin plate such as a metal plate, and a support made of an insulator such as plastic to which the piezoelectric imaging plate is attached. The piezoelectric diaphragm and the support are assembled by soldering the terminals to the printed wiring board and fixing them tightly with fixing claws integrally formed on the support. An acoustic resonator is constructed by a space surrounded by a printed wiring board and a sound emitting hole provided in the printed wiring board.
作用
この構成により、必要な周波数に応じてプリント配線板
に放音孔を開けて構成させるため圧電発音体のケースの
金型は１つであらゆる周波数に対応できることとなる。Function: With this configuration, sound emitting holes are formed in the printed wiring board according to the required frequencies, so that one mold for the case of the piezoelectric sounding body can correspond to all frequencies.
実施例
第１図は本発明の一実施例である。同図（ａ）は上面図
、同図（ｂ）は側面断面図であり、第１図において、９
はプラスチックなどの絶縁体よりなる支持体であり、１
０は金属基板、１１は金属基板１゜に貼り合わせた圧電
磁器板で、この金属基板１゜と圧電磁気板１１によって
圧電振動板を構成している。１２．１３は支持体９に固
定された金属リード端子で、１４は支持体９をプリント
配線板１６に固定させるために支持体９の下面に突出す
るように一体に設けた爪で、１６はプリント配線板１６
に設けた放音孔である。Embodiment FIG. 1 shows an embodiment of the present invention. Figure 1 (a) is a top view, Figure (b) is a side sectional view, and in Figure 1, 9.
is a support made of an insulator such as plastic, and 1
0 is a metal substrate, 11 is a piezoelectric ceramic plate bonded to the metal substrate 1°, and this metal substrate 1° and the piezoelectric magnetic plate 11 constitute a piezoelectric diaphragm. 12 and 13 are metal lead terminals fixed to the support 9; 14 are claws that are integrally provided on the bottom surface of the support 9 to fix the support 9 to the printed wiring board 16; and 16 are metal lead terminals fixed to the support 9; Printed wiring board 16
This is a sound emitting hole installed in the
なお、前記実施例において図面上金属リード端子１２．
１３は丸リード端子となっているが角リード端子など他
の形のものでもよいことは言うまでもない。また圧電振
動板の構成によっては金属リード端子の数が３本以上と
なることは言うまでもない。In addition, in the above embodiment, the metal lead terminal 12.
Although 13 is a round lead terminal, it goes without saying that other shapes such as square lead terminals may be used. It goes without saying that the number of metal lead terminals may be three or more depending on the configuration of the piezoelectric diaphragm.
発明の効果
以上のように本発明によれば、放音孔をプリント配線板
で構成しているので必要な周波数に応じてプリント配線
板に設けている放音孔の大きさを変えるだけで圧電発音
体のケースの金型を変更することなくあらゆる周波数に
対応できるという効果が得られる。Effects of the Invention As described above, according to the present invention, since the sound emitting hole is formed of a printed wiring board, piezoelectric The effect of being able to respond to all frequencies without changing the mold of the case of the sounding body can be obtained.
第１図ａ、ｂは本発明の一実施例による圧電発音体を示
す平面図と側面断面図、第２図は従来の圧電発音体を示
す断面図である。
９・・・・・・支持体、１ｏ・・・・・・金属基板、１
１・・・・・・圧電磁器板、１２．１３・・・・・・金
属リード端子、１４・・・・・・固定用爪、１６・・・
・・・プリント配線板、１６・・・・・・放音孔。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名ｑ−
−−支将林
１０−−〜へ１Ｘ板
／ノーーーノ１電λ衾１１ズ
／２．１３−一秦漬す−ド肩子
／４−一固定Ｍｆ＋＼1A and 1B are a plan view and a side sectional view showing a piezoelectric sounding element according to an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional piezoelectric sounding element. 9...Support, 1o...Metal substrate, 1
1...Piezoelectric ceramic plate, 12.13...Metal lead terminal, 14...Fixing claw, 16...
...Printed wiring board, 16...Sound emission hole. Name of agent: Patent attorney Toshio Nakao and one other person q-
--Shijo Hayashi 10--to 1X board/no-no 1 electric lambda 11s/2.13-Ichikata pickle-do shoulder child/4-one fixed Mf+\
Claims (1)
と、圧電振動板を取り付けるプラスチックなどの絶縁体
よりなる支持体と、この支持体に固定された複数本の金
属リード端子とからなり、プリント配線板に前記支持体
を密着固定させ、圧電振動板と支持体とプリント配線板
で囲まれた空間とプリント配線板に設けた放音孔で音響
共鳴器を構成した圧電発音体。It consists of a piezoelectric diaphragm made by bonding a piezoelectric element to a thin plate such as a metal plate, a support made of an insulator such as plastic to which the piezoelectric diaphragm is attached, and multiple metal lead terminals fixed to this support. A piezoelectric sounding body in which the support is closely fixed to a printed wiring board, and an acoustic resonator is configured by a space surrounded by the piezoelectric diaphragm, the support, and the printed wiring board, and a sound emission hole provided in the printed wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4803188A JPH01222598A (en) | 1988-03-01 | 1988-03-01 | Piezoelectric sounding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4803188A JPH01222598A (en) | 1988-03-01 | 1988-03-01 | Piezoelectric sounding body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01222598A true JPH01222598A (en) | 1989-09-05 |
Family
ID=12791943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4803188A Pending JPH01222598A (en) | 1988-03-01 | 1988-03-01 | Piezoelectric sounding body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01222598A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195142A (en) * | 1990-05-14 | 1993-03-16 | Alcatel Dial Face S.P.A. | Piezoelectric transducer |
-
1988
- 1988-03-01 JP JP4803188A patent/JPH01222598A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5195142A (en) * | 1990-05-14 | 1993-03-16 | Alcatel Dial Face S.P.A. | Piezoelectric transducer |
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