JPS6121700A - Manufacture of piezoelectric sounding body - Google Patents
Manufacture of piezoelectric sounding bodyInfo
- Publication number
- JPS6121700A JPS6121700A JP59142583A JP14258384A JPS6121700A JP S6121700 A JPS6121700 A JP S6121700A JP 59142583 A JP59142583 A JP 59142583A JP 14258384 A JP14258384 A JP 14258384A JP S6121700 A JPS6121700 A JP S6121700A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- metal
- tree
- series
- sounding body
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002184 metal Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 42
- 238000000034 method Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
- G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
Abstract
Description
【発明の詳細な説明】
本発明は、製造中又は得られた発音体の種々の装置への
組み込みを合理的にした圧電発音体に関するもの出ある
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a piezoelectric sounding body that can be manufactured or obtained and rationally incorporated into various devices.
最近、電磁型のブザーに替わって圧電体を利用した発音
装置が電子機器、家電製品に組み込まれるようになって
きた原因は、圧電発音体は比較的小形化できると共に、
堅牢で、消費電力か少ないという特徴を有するためであ
る。Recently, sounding devices using piezoelectric bodies have been incorporated into electronic devices and home appliances instead of electromagnetic buzzers.The reason is that piezoelectric sounding bodies can be made relatively small, and
This is because it is robust and consumes little power.
従来の圧電発音体の製造方法は、例えば第１図に示す如
く、ＰＺＴで代表される薄円板状の圧電セラミック１を
径の大きい金属振動板２の中央に接着剤にて固着される
。圧電板１及び金属振動板２のτｊ法（厚さ、径）は、
発振周波数により最適に設計される。なお、圧電板の両
側には銀ペースＦなどを焼付けして、電極が付与されて
おり、しかも厚さ方向に分極処理されでいる。In a conventional method of manufacturing a piezoelectric sounding body, for example, as shown in FIG. 1, a thin disc-shaped piezoelectric ceramic 1, typically made of PZT, is fixed to the center of a large-diameter metal diaphragm 2 with an adhesive. The τj method (thickness, diameter) of the piezoelectric plate 1 and metal diaphragm 2 is:
Optimally designed depending on the oscillation frequency. Note that electrodes are provided on both sides of the piezoelectric plate by baking silver paste F or the like, and the plate is polarized in the thickness direction.
圧電体用ケース５には金属振動板２の外周か固着されて
収納され、下方には樹脂製蓋６がケース５に嵌合するよ
うに取り付けられる。そしてリード線３，４は蓋の側面
の孔より夫々引き出されるように構成されている。。The outer periphery of the metal diaphragm 2 is fixed and housed in the piezoelectric case 5, and a resin lid 6 is attached to the lower part so as to fit into the case 5. The lead wires 3 and 4 are configured to be drawn out from holes in the side surface of the lid, respectively. .
しかし、このような工程ではほとんど手作業に頼らなけ
ればならず、生産性の低下を免れないものとなっている
。However, in such a process, most of the work must be done manually, which inevitably leads to a decrease in productivity.
本発明は、これらの欠点を解消しようとするものであり
、金属振動板の側方に一方のリード電極が形１′＆され
一定間隔にして連なるように一体成型された第１の金属
ツリ二部材と他方のリード電極が櫛歯状に同間隔に連と
なるように一体成型された第２の金属ツリー部材とを用
い、第１の金属ツリー部材の金属振動板に圧電体を搭載
固着し、該圧電体の他方に面に第２の金属ツリー部材の
リード電極部を固着しで、圧電振動体の連とした後、夫
々の圧電振動体に共鳴箱を第１及び第２の、金属ツリー
部材のリード部に挟持固着して取り付けるようにするこ
とにより、この種の圧電発音体の製造の合理化を達成す
ることを主たる目的とする。The present invention aims to eliminate these drawbacks, and includes a first metal diaphragm integrally molded with one lead electrode shaped 1' on the side of the metal diaphragm and connected at regular intervals. A piezoelectric body is mounted and fixed on the metal diaphragm of the first metal tree member using a second metal tree member integrally molded so that the member and the other lead electrode are connected at the same intervals in a comb-teeth shape. After fixing the lead electrode part of the second metal tree member to the other surface of the piezoelectric body to form a series of piezoelectric vibrating bodies, a resonance box is attached to each piezoelectric vibrating body by attaching the first and second metal tree members to each other. The main objective is to achieve rationalization of manufacturing of this type of piezoelectric sounding element by clamping and fixing it to the lead part of the tree member.
以下本発明の一実施例について図面を参照しながら詳細
に説明する。An embodiment of the present invention will be described in detail below with reference to the drawings.
第２図は一方の金属ツリー部材９の概略を示す斜視図で
ある。１０は金属振動板を示し、１０ａはリード電極、
１０ｂはリード電１１０ａの連を形成するための連結部
を示している。これらの部材は、黄銅やステンレス材な
どで構成することが好適であり、発振周波数に好適なＨ
さに選択設計され、リード電極１０ａ、１０ｂの厚さに
は限定はないが、振動系に影響を及ぼさないことや後工
程の切断などのために比較的薄いものが良い。FIG. 2 is a perspective view schematically showing one metal tree member 9. FIG. 10 indicates a metal diaphragm, 10a a lead electrode,
Reference numeral 10b indicates a connecting portion for forming a series of lead wires 110a. These members are preferably made of brass, stainless steel, etc., and are made of H that is suitable for the oscillation frequency.
Although there is no limit to the thickness of the lead electrodes 10a and 10b, it is preferable that they be relatively thin so as not to affect the vibration system and for cutting in a subsequent process.
第３図は他方の金属ツリー部材１１の斜視図である。１
．］ａはリード電極を示し、１１ｂはリード電極１１ａ
の運を形成するための連結部である。FIG. 3 is a perspective view of the other metal tree member 11. 1
．． ]a indicates a lead electrode, 11b indicates a lead electrode 11a
It is a connecting part to form the luck of
金属ツリー部材１１の素材はツリー部材９と同様の素材
で形成される。金属ツリー部材９，１１は連とするリー
ド電極１０ａ、ｌｌａの数は製造ラインの長さより適宜
選定されるものである。The metal tree member 11 is made of the same material as the tree member 9. The number of lead electrodes 10a, lla connected to the metal tree members 9, 11 is appropriately selected depending on the length of the manufacturing line.
第４図は合理的な組み立て工程の一例を示すものである
。まず第２図に示す金属ツリー部材９をコンベア（図示
せず）に載置し、ロボットアームなどによって圧電体１
を供給する供給機１３によって、あらかしめ接着剤供給
機１２の先端より接着剤１２ａを供給された振動板１０
の中央に搭載して圧電体１及び振動板１０とを固着する
。この後、第２の金属ツリー部材１１のリード電極１１
ａの先端を圧電体１の上部に移動するように供給される
。このときリード電極１１ａの先端には盛り半田処理１
１ｂされており、半田ごて（自動化）により、リード電
極１１ａと圧電体１との上部が順次固着される。これら
によって圧電振動体の連が形成されることになる。FIG. 4 shows an example of a rational assembly process. First, the metal tree member 9 shown in FIG. 2 is placed on a conveyor (not shown), and the piezoelectric body 1 is
The diaphragm 10 is supplied with the adhesive 12a from the tip of the roughening adhesive supplying machine 12 by the supplying machine 13 that supplies the adhesive 12a.
The piezoelectric body 1 and the diaphragm 10 are fixed to each other. After this, the lead electrode 11 of the second metal tree member 11
It is supplied so that the tip of a is moved to the top of the piezoelectric body 1. At this time, the tip of the lead electrode 11a is filled with solder.
1b, and the upper portions of the lead electrodes 11a and the piezoelectric body 1 are successively fixed using a soldering iron (automated). These form a series of piezoelectric vibrators.
次に、第５図に示すごとく、共鳴用のケースが取り付け
られる。すなわち圧電振動体１４の連が中央に、ケース
１５ａの連１５が連結部１５ｃで多数連なって圧電振動
体１４の下に、また上蓋１６ａの連１６が連結部１６ｂ
で多数連なって圧電振動体１４の上に夫々配置されてい
る。ケース１５及び蓋１６は射出成型機により得られ、
圧電発音体１・１のピッチと同寸法に形成されることは
勿論である。Next, as shown in FIG. 5, a resonance case is attached. That is, the series of piezoelectric vibrating body 14 is in the center, the series 15 of the case 15a are connected in large numbers at the connecting part 15c and are below the piezoelectric vibrating body 14, and the series 16 of the upper lid 16a are in the connecting part 16b.
A large number of them are arranged in series on the piezoelectric vibrating body 14, respectively. The case 15 and the lid 16 are obtained by an injection molding machine,
Of course, they are formed to have the same dimensions as the pitch of the piezoelectric sounding bodies 1.
そしてケース１５及び蓋１６は、第６図に示すごとく、
多数の夫々の連１４，１５．１６を一挙に熱圧着して、
共鳴箱を形成し、圧電発音体が完成する。これら圧電発
音体を装置に組み込む場合には夫々の連糸＾部１０ｂ、
１１ａ、１５ｃ、１６１＋を切り落として用いることに
なる。The case 15 and lid 16 are as shown in FIG.
A large number of each series 14, 15, and 16 are bonded together by thermocompression,
A resonance box is formed and the piezoelectric sounding body is completed. When these piezoelectric sounding bodies are incorporated into a device, each continuous thread part 10b,
11a, 15c, and 161+ will be cut off and used.
尚、用いる素材などに何等限定を加えるものではなく、
さらに共鳴箱と放音孔とで構成されるヘルムホルツの音
響的共振により音量増大効果を利用することかできるの
であるが、それらの好適値を選択することは本発明にお
いても制限を加えるものではない。Please note that we do not place any limitations on the materials used.
Furthermore, although it is possible to utilize the volume increase effect by Helmholtz acoustic resonance composed of a resonance box and a sound emitting hole, the present invention does not limit the selection of suitable values thereof. .
以−に述べたごとく本発明によれば、金属振動板に圧電
体を貼り付けて、共鳴箱とするケースに収納してなる圧
電発音体の製造において、金属振動板の□側方に一方の
リード電極が形成されて一定間隔にして連となるように
一体成型された第１の金属ツリー部材と、他方のリード
電極が櫛歯状に一同記間隔と同じように連となるように
一体成型された第２の金属ツリー部材とを用い、前記第
１の金属ツリー部材の金属振動板に圧電を搭載固着し、
該圧電体の他方の面に前記第２の金属ツリー部材のリー
ド電極部を固着して、圧電振動板の連とし、
この後、夫々の圧電振動体に共鳴箱を前記第１及び第２
の金属ツリー部材のリード部に挟持固着して取り付ける
ように構成したので、
圧電発音体の構成部材の連なった連で構成しているので
、合理的な組み立てかでき、結局生産性の向上、コスト
の低減化を可能とすることができ、また比較的均一な品
質特性を有する発音体を得ることができる効果を有する
。As described above, according to the present invention, in manufacturing a piezoelectric sounding body in which a piezoelectric body is pasted on a metal diaphragm and housed in a case serving as a resonance box, one side is attached to the □ side of the metal diaphragm. A first metal tree member on which lead electrodes are formed and integrally molded so as to form a series at regular intervals, and the other lead electrode are integrally molded so as to form a comb-teeth shape and form a series at the same intervals. mounting and fixing a piezoelectric on the metal diaphragm of the first metal tree member using a second metal tree member,
The lead electrode portion of the second metal tree member is fixed to the other surface of the piezoelectric body to form a series of piezoelectric diaphragms, and then a resonance box is attached to each of the piezoelectric oscillators.
Since the piezoelectric sounding element is configured to be clamped and fixed to the lead part of the metal tree member, it can be assembled in a rational manner, resulting in improved productivity and cost. This has the effect of making it possible to reduce the amount of noise, and also making it possible to obtain a sounding body with relatively uniform quality characteristics.
第１図は従来の圧電発音体の製造方法を示す図、第２図
は第１の金属ツリー部材の一例を示す斜視図、第３図は
第２の金属ツリー部材の一例を示す斜視図、第４図及び
第５図は本発明製造方法の一例を示す路線図、第６図は
ケースと蓋を熱圧着する工程の説明に供する断面図であ
る。
１・・・圧電セラミックス、２・・・金属振動板、９・
・・第１の金属ツリー部材、１０・・・金属振動板、１
０ａ・・・リード電極、１０１）・・・連結部、１１・
・・第２の金属ツリー部材、１１ａ・・・リード電極、
Ｉｌｂ・・・連結部、１２・・・接着材供給賊、１２ａ
・・・接着材、１３・・・圧電本供給機、１・１・・・
圧電振動子の連、１５・・・ケースの連、１５ａ・・・
ケースの連、１５ｃ・・・連結部、１６・・・蓋の連、
１６ａ・・・蓋、１６ｂ・・・連結部。FIG. 1 is a diagram showing a conventional method of manufacturing a piezoelectric sounding body, FIG. 2 is a perspective view showing an example of a first metal tree member, and FIG. 3 is a perspective view showing an example of a second metal tree member. 4 and 5 are route diagrams showing an example of the manufacturing method of the present invention, and FIG. 6 is a sectional view for explaining the process of thermocompression bonding the case and the lid. 1... Piezoelectric ceramics, 2... Metal diaphragm, 9.
...First metal tree member, 10...Metal diaphragm, 1
0a...Lead electrode, 101)...Connection part, 11.
...Second metal tree member, 11a...Lead electrode,
Ilb...Connection part, 12...Adhesive material supply bandit, 12a
...Adhesive material, 13...Piezoelectric book feeder, 1.1...
Piezoelectric vibrator series, 15...Case series, 15a...
Case series, 15c...connection part, 16...lid series,
16a...lid, 16b...connection part.
Claims (1)
ースに収納してなる圧電発音体の製造において、 金属振動板の側方に一方のリード電極が形成されて一定
間隔にして連となるように一体成型された第１の金属ツ
リー部材と、他方のリード電極が櫛歯状に同記間隔と同
じように連となるように一体成型された第２の金属ツリ
ー部材とを用い、前記第１の金属ツリー部材の金属振動
板に圧電を搭載固着し、該圧電体の他方の面に前記第２
の金属ツリー部材のリード電極部を固着して、圧電振動
板の連とし、この後、夫々の圧電振動体に共鳴箱を前記
第１及び第２の金属ツリー部材のリード部に挟持固着し
て取り付けることを特徴とする圧電発音体の製造方法。 ２、前記共鳴箱を形成する夫々カップ状の蓋及びケース
が前記金属振動板と同じ間隔で連となっている樹脂で形
成されたツリー状の蓋及びツリー状ケースとしたことを
特徴とする特許請求の範囲第１項記載の圧電発音体の製
造方法。[Claims] 1. In manufacturing a piezoelectric sounding body in which a piezoelectric body is pasted on a metal diaphragm and housed in a case serving as a resonance box, one lead electrode is formed on the side of the metal diaphragm. A first metal tree member integrally molded so as to form a series at regular intervals, and a second metal tree member integrally molded so that the other lead electrodes form a comb-teeth shape and form a series at the same intervals. A piezoelectric is mounted and fixed on the metal diaphragm of the first metal tree member using a metal tree member, and the second metal tree member is mounted on the other surface of the piezoelectric body.
The lead electrode portions of the first and second metal tree members are fixed to form a series of piezoelectric diaphragms, and then a resonance box is sandwiched and fixed to the lead portions of the first and second metal tree members on each piezoelectric vibrator. A method of manufacturing a piezoelectric sounding body, which comprises: attaching a piezoelectric sounding body; 2. A patent characterized in that the cup-shaped lid and case forming the resonance box are tree-shaped lids and tree-shaped cases made of resin and connected at the same intervals as the metal diaphragm. A method for manufacturing a piezoelectric sounding body according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59142583A JPS6121700A (en) | 1984-07-10 | 1984-07-10 | Manufacture of piezoelectric sounding body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59142583A JPS6121700A (en) | 1984-07-10 | 1984-07-10 | Manufacture of piezoelectric sounding body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6121700A true JPS6121700A (en) | 1986-01-30 |
Family
ID=15318681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59142583A Pending JPS6121700A (en) | 1984-07-10 | 1984-07-10 | Manufacture of piezoelectric sounding body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6121700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6489897A (en) * | 1987-09-30 | 1989-04-05 | Matsushita Electric Ind Co Ltd | Piezo-electric sounding body |
-
1984
- 1984-07-10 JP JP59142583A patent/JPS6121700A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6489897A (en) * | 1987-09-30 | 1989-04-05 | Matsushita Electric Ind Co Ltd | Piezo-electric sounding body |
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