JPS6350197A - Piezoelectric sound producing device - Google Patents
Piezoelectric sound producing deviceInfo
- Publication number
- JPS6350197A JPS6350197A JP19447986A JP19447986A JPS6350197A JP S6350197 A JPS6350197 A JP S6350197A JP 19447986 A JP19447986 A JP 19447986A JP 19447986 A JP19447986 A JP 19447986A JP S6350197 A JPS6350197 A JP S6350197A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- resonance box
- piezoelectric sound
- piezoelectric sounding
- producing plate
- 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
- 210000000078 claw Anatomy 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000005476 soldering Methods 0.000 abstract description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000003779 heat-resistant material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/325—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3447—Lead-in-hole components
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、圧電体の励振により発音する圧電発音装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a piezoelectric sounding device that generates sound by excitation of a piezoelectric body.
従来の技術
近年、電子技術を応用した部品において、操作の確認や
動作の警告などに圧電発音装置が広く利用されるように
なって来た。BACKGROUND OF THE INVENTION In recent years, piezoelectric sounding devices have come into wide use in parts that utilize electronic technology, such as for confirming operations and warning of operations.
以下に従来の圧電発音装置について説明する。A conventional piezoelectric sounding device will be explained below.
第３図および第４図は従来の圧電発音装置の構成図であ
る。第３図示のように圧電発音板１１は、印刷配線板１
４にリード線１９の端部を半田付けすることによって取
付けられる構成、あるいは第４図に示すように印刷配線
板１４の電極穴に共鳴箱１２より出ている電源電極１３
を挿入して半田付けすることにより取付けられ、前記圧
電発音板１１に交流電圧信号が供給されることによシ励
振発音するようになっている。3 and 4 are configuration diagrams of a conventional piezoelectric sounding device. As shown in the third diagram, the piezoelectric sounding board 11 is connected to the printed wiring board 1
4, or as shown in FIG.
It is attached by inserting and soldering the piezoelectric sound plate 11, and when an AC voltage signal is supplied to the piezoelectric sound plate 11, it is excited to generate sound.
発明が解決しようとする問題点
しかしながら上記第３図の従来の構成では圧電発音板１
１へのリード線１９のハンダ付けによる部品点数９組立
工数の増加の問題がある。また第４図のように圧電発音
装置の端子１３を挿入した印刷配線板１４を自動半田付
けする場合、熱印加による材料品質低下がないようにす
るため、耐熱性材料を使用しなければならず、部品コス
トが高くなるという問題点があった。Problems to be Solved by the Invention However, in the conventional configuration shown in FIG.
There is a problem of an increase in the number of parts and the number of assembly steps due to soldering of the lead wire 19 to the lead wire 19. Furthermore, when automatically soldering the printed wiring board 14 into which the terminals 13 of the piezoelectric sounding device are inserted as shown in Fig. 4, heat-resistant materials must be used to avoid deterioration of material quality due to heat application. However, there was a problem in that the cost of parts increased.
本発明は上記問題点を解決するために、リード線をなく
して部品点数１組立工数を削減するとともに、耐熱性材
料を使用しなくても自動半田付けが可能な圧電発音装置
を提供することを目的とする。In order to solve the above-mentioned problems, the present invention aims to provide a piezoelectric sounding device that eliminates lead wires, reduces the number of parts and the number of assembly steps, and can be automatically soldered without using heat-resistant materials. purpose.
問題点を解決するための手段
上記目的を達成するために本発明の圧電発音装置は厚み
の振動方向の両面または片面に１対の電極を配した圧電
発音板と、この圧電発音板の周縁部を保持する突起部を
内側に有するとともに、印刷配線板の穴に係合する爪を
下端に備えた共鳴箱と、前記印刷配線板に上方向に突出
して配線された弾性を有する１対の電源電極とで構成さ
れ、前記圧電発音板の電極と前記電源電極とが圧接する
ことにより電気的に接続してなる構成を有している。Means for Solving the Problems In order to achieve the above object, the piezoelectric sounding device of the present invention includes a piezoelectric sounding plate having a pair of electrodes arranged on both sides or one side in the vibration direction of the thickness, and a peripheral edge of the piezoelectric sounding plate. a resonance box having a protrusion on the inside for holding the board and a claw at the lower end that engages with a hole in the printed wiring board, and a pair of elastic power supplies protruding upward from the printed wiring board and wired therein. The electrode of the piezoelectric sounding plate and the power supply electrode are electrically connected by pressing into contact with each other.
作 用
この構成によって圧電発音板を共鳴箱の突起部に保持さ
せた後、共鳴箱の爪を印刷配線板に設けた穴に係合させ
て共鳴箱を固定するときに、印刷配線板より突出して配
線された弾性を有する電源電極に圧電発音板を圧接する
ことにより、圧電発音板と電源電極を電気的に接続する
ことができる。Function: With this configuration, after the piezoelectric sounding plate is held on the protrusion of the resonance box, when the resonance box is fixed by engaging the claws of the resonance box with the holes provided in the printed wiring board, the piezoelectric sounding plate will not protrude from the printed wiring board. The piezoelectric sound plate and the power source electrode can be electrically connected by pressing the piezoelectric sound plate against the elastic power source electrode that is wired in the same manner.
実施例
以下本発明の一実施例について、第１図および第２図を
参照しながら説明する。EXAMPLE An example of the present invention will be described below with reference to FIGS. 1 and 2.
図示のように圧電発音板１は圧電体１ａと振動体１ｂを
接着させたバイモルフ構造となっており、圧電発音板１
はその周縁部で共鳴箱２の内周に設けられた突起部８．
８ａ間に係止し保持されている。また共鳴箱２は下端に
印刷配線板４０穴７に係合する複数の爪６を有している
。As shown in the figure, the piezoelectric sounding plate 1 has a bimorph structure in which a piezoelectric body 1a and a vibrating body 1b are bonded together.
is a protrusion 8 provided on the inner periphery of the resonance box 2 at its peripheral edge.
It is locked and held between 8a. The resonance box 2 also has a plurality of claws 6 at its lower end that engage with the holes 7 in the printed wiring board 40.
一方印刷配線板４には上下方向に弾性を有する電源電極
３が表面より突出して半田付けされている。On the other hand, a power supply electrode 3 having elasticity in the vertical direction is soldered to the printed wiring board 4 so as to protrude from the surface thereof.
以上のように構成された本実施例の圧電発音装置につい
て以下その動作を説明する。The operation of the piezoelectric sounding device of this embodiment configured as described above will be described below.
まず、上下方向に弾力性を有する電源電極３を印刷配線
板４に機械挿入した後、自動半田付は装置に通して固定
する。次に圧電発音板１を共鳴箱２の突起部８．８ａの
間に挿入保持させた後、共鳴箱２に設けた爪部６を印刷
配線板４に設けた穴７に係合することにより、圧電発音
板１の圧電体１ａと振動板１ｂが電源電極３に圧接され
、圧電発音板１の上部周縁部が突起部８に圧接されるた
め、圧電発音板１は共鳴箱２の内部にて固定されるとと
もに、電気的にも接続されることとなる。First, the power electrode 3 having elasticity in the vertical direction is mechanically inserted into the printed wiring board 4, and then fixed through an automatic soldering device. Next, the piezoelectric sounding plate 1 is inserted and held between the projections 8.8a of the resonance box 2, and then the claws 6 provided on the resonance box 2 are engaged with the holes 7 provided on the printed wiring board 4. , the piezoelectric body 1a and the diaphragm 1b of the piezoelectric sounding plate 1 are pressed against the power supply electrode 3, and the upper peripheral edge of the piezoelectric sounding board 1 is pressed against the protrusion 8, so that the piezoelectric sounding board 1 is placed inside the resonance box 2. It will be fixed and electrically connected.
以上のように本実施例によれば、弾性を有する電源電極
３を印刷配線板４に自動半田付けし、圧電発音板１を内
部に保持する共鳴箱２を印刷配線板４の穴７に爪６で固
定することにより、圧電発電板１と印刷配線板４にリー
ド線端部を半田付けする必要がなくなり、部品点数９組
立工数を削減することができるとともに、耐熱性材料を
使用しなくても自動半田付けが可能となる。As described above, according to this embodiment, the elastic power supply electrode 3 is automatically soldered to the printed wiring board 4, and the resonance box 2, which holds the piezoelectric sounding board 1 inside, is inserted into the hole 7 of the printed wiring board 4. 6, it is no longer necessary to solder the ends of the lead wires to the piezoelectric power generation board 1 and the printed wiring board 4, which reduces the number of parts (9) and the number of assembly steps, and also eliminates the need to use heat-resistant materials. Automatic soldering is also possible.
なお、本実施例では圧電発音板１をバイモルフ構造のも
のとしたが、圧電発音板１はユニモルフ構造のものでも
よい。In this embodiment, the piezoelectric sounding plate 1 has a bimorph structure, but the piezoelectric sounding board 1 may have a unimorph structure.
発明の効果
前記実施例の説明よシ明らかなように本発明は、弾性を
有する１対の電源電極を印刷配線板に自動挿入、自動半
田付けした後、圧電発音板を内部に保持する共鳴箱をこ
の共鳴箱に設けた爪を係合させて印刷配線板に固定させ
ることにより、電源極と圧電発音板が電気的に接続され
るので、リード線が不要となり、部品点数９組立工数を
削減することができるとともに、耐熱性材料を使用しな
くても自動半田付けができるという効果を得ることので
きる優れた圧電発音装置を実現できるものである。Effects of the Invention As is clear from the description of the embodiments described above, the present invention provides a resonance box that holds a piezoelectric sounding board inside after automatically inserting and automatically soldering a pair of elastic power supply electrodes to a printed wiring board. By engaging the claws provided on this resonance box and fixing it to the printed wiring board, the power supply pole and piezoelectric sounding board are electrically connected, eliminating the need for lead wires and reducing the number of parts and assembly man-hours by 9. Accordingly, it is possible to realize an excellent piezoelectric sounding device that can perform automatic soldering without using heat-resistant materials.
第１図は本発明の一実施例における圧電発音装置を示す
断面図、第２図は同組立状態を示す斜視図、第３図、第
４図は従来の圧電ブザーの構成図である。
１・・・・・・圧電発音板、２・・・・・・共鳴箱、３
・・・・・・電源電極、４・・・・・印刷配線板、６・
・・・・・爪、７・・・・・・穴、８・・・・・・突起
部、８ａ・・・・・・突起部。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第
２ 図
第３図
１３；牛FIG. 1 is a sectional view showing a piezoelectric sounding device according to an embodiment of the present invention, FIG. 2 is a perspective view showing the assembled state, and FIGS. 3 and 4 are configuration diagrams of a conventional piezoelectric buzzer. 1...Piezoelectric sound plate, 2...Resonance box, 3
...Power supply electrode, 4...Printed wiring board, 6.
...Claw, 7...Hole, 8...Protrusion, 8a...Protrusion. Name of agent: Patent attorney Toshio Nakao and 1 other person
2 Figure 3 Figure 13; Cow
Claims (1)
圧電発音板と、この圧電発音板の周縁部を保持する突起
部を内側に有するとともに、印刷配線板の穴に係合する
爪を下端に備えた共鳴箱と、前記印刷配線板に上方向に
突出して配線された弾性を有する１対の電源電極とで構
成され、前記圧電発音板の電極と前記電源電極とが圧接
することにより電気的に接続してなる圧電発音装置。It has a piezoelectric sounding board with a pair of electrodes arranged on both sides or one side in the thickness vibration direction, a protrusion on the inside that holds the peripheral edge of the piezoelectric sounding board, and a claw on the bottom end that engages with a hole in the printed wiring board. and a pair of elastic power supply electrodes that are wired to protrude upward from the printed wiring board, and when the electrodes of the piezoelectric sounding board and the power supply electrodes come into pressure contact with each other, electricity is generated. A piezoelectric sounding device connected to
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19447986A JPS6350197A (en) | 1986-08-19 | 1986-08-19 | Piezoelectric sound producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19447986A JPS6350197A (en) | 1986-08-19 | 1986-08-19 | Piezoelectric sound producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6350197A true JPS6350197A (en) | 1988-03-03 |
Family
ID=16325225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19447986A Pending JPS6350197A (en) | 1986-08-19 | 1986-08-19 | Piezoelectric sound producing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6350197A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015169864A (en) * | 2014-03-10 | 2015-09-28 | 株式会社リコー | Sound absorption device, electronic apparatus, and image forming apparatus |
-
1986
- 1986-08-19 JP JP19447986A patent/JPS6350197A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015169864A (en) * | 2014-03-10 | 2015-09-28 | 株式会社リコー | Sound absorption device, electronic apparatus, and image forming apparatus |
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