JPS63139530U - - Google Patents
Info
- Publication number
- JPS63139530U JPS63139530U JP3145187U JP3145187U JPS63139530U JP S63139530 U JPS63139530 U JP S63139530U JP 3145187 U JP3145187 U JP 3145187U JP 3145187 U JP3145187 U JP 3145187U JP S63139530 U JPS63139530 U JP S63139530U
- Authority
- JP
- Japan
- Prior art keywords
- output terminal
- voltage output
- knocking sensor
- piezoelectric element
- external output
- 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
- 238000003466 welding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Testing Of Engines (AREA)
Description
第１図は本考案の第１実施例のノツキングセン
サを示す縦断面図、第２図は第１図の―断面
図、第３図は第２図の―断面図、第４図は電
圧出力用ターミナルを示す展開図、第５図は本実
施例のノツキングセンサの主要部組付方を示す概
略図、第６図は第２実施例のノツキングセンサを
示す縦断面図、第７図は第３実施例のノツキング
センサを示す縦断面図である。
１０…ハウジング、１２…圧電素子、１４…振
動板、１６…電圧出力用ターミナル、１８…外部
出力用ターミナル、２０…ベース、３０…支持部
。
Fig. 1 is a vertical cross-sectional view showing a knocking sensor according to the first embodiment of the present invention, Fig. 2 is a cross-sectional view of Fig. 1, Fig. 3 is a cross-sectional view of Fig. 2, and Fig. 4 is a voltage FIG. 5 is a schematic diagram showing how to assemble the main parts of the knotting sensor of the present embodiment; FIG. 6 is a vertical sectional view showing the knotting sensor of the second embodiment; FIG. The figure is a longitudinal sectional view showing a knocking sensor according to a third embodiment. DESCRIPTION OF SYMBOLS 10... Housing, 12... Piezoelectric element, 14... Vibration plate, 16... Voltage output terminal, 18... External output terminal, 20... Base, 30... Support part.
Claims (1)
ス本体の支持部に配置した振動子と、前記圧電素
子に一端が接続された電圧出力用ターミナルと、
前記電圧出力用ターミナルの他端と接続され外部
に圧電素子からの電気信号を伝達する外部出力用
ターミナルと、ケース本体に位置決めされ前記外
部出力用ターミナルの一端が固定されかつ内部に
前記電圧出力用ターミナルの貫通穴が貫通された
ベースと、を備えたノツキングセンサにおいて、
前記ベースの貫通穴に前記電圧出力用ターミナル
の他端を挿入し、前記外部出力用ターミナルと前
記電圧出力用ターミナルの他端とを接続すること
を特徴とするノツキングセンサ。 (2) 前記振動子の中央部にはプロジエクシヨン
溶接用の貫通穴が設けられて、前記振動板と前記
支持部とがプロジエクシヨン溶接されて固着され
ることを特徴とする実用新案登録請求の範囲第(1
)項記載のノツキングセンサ。 (3) 前記電圧出力用ターミナルは前記圧電素子
の中央に設けられたプロジエクシヨン溶接用穴の
径に沿つて配置された薄板形状部を有することを
特徴とする実用新案登録請求の範囲第(2)項記載
のノツキングセンサ。 (4) 前記外部出力用ターミナルに接続する前記
電圧出力用ターミナルの接続近傍に応力回避用の
たわみを設けたことを特徴とする実用新案登録請
求の範囲第(1)項乃至第(3)項のいずれか１項に記
載のノツキングセンサ。[Claims for Utility Model Registration] (1) A vibrator in which a diaphragm to which a thin plate-shaped piezoelectric element is fixed is arranged on a support part of a case body, and a voltage output terminal having one end connected to the piezoelectric element;
an external output terminal that is connected to the other end of the voltage output terminal and transmits an electrical signal from the piezoelectric element to the outside; and an external output terminal that is positioned in the case body and has one end fixed to the external output terminal and that is internally connected to the voltage output terminal. A knocking sensor comprising: a base having a terminal through-hole;
A knocking sensor characterized in that the other end of the voltage output terminal is inserted into the through hole of the base, and the external output terminal and the other end of the voltage output terminal are connected. (2) A utility model registration characterized in that a through hole for projection welding is provided in the center of the vibrator, and the diaphragm and the supporting portion are fixed by projection welding. Claim No. 1
Knocking sensor described in ). (3) The voltage output terminal has a thin plate-shaped portion disposed along the diameter of a projection welding hole provided at the center of the piezoelectric element. The knocking sensor described in 2). (4) Utility model registration claims (1) to (3) characterized in that a bend for stress avoidance is provided near the connection of the voltage output terminal connected to the external output terminal. The knocking sensor according to any one of the above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3145187U JPS63139530U (en) | 1987-03-04 | 1987-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3145187U JPS63139530U (en) | 1987-03-04 | 1987-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139530U true JPS63139530U (en) | 1988-09-14 |
Family
ID=30837195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3145187U Pending JPS63139530U (en) | 1987-03-04 | 1987-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012078272A (en) * | 2010-10-05 | 2012-04-19 | Sensatec Co Ltd | Impact sensor |
-
1987
- 1987-03-04 JP JP3145187U patent/JPS63139530U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012078272A (en) * | 2010-10-05 | 2012-04-19 | Sensatec Co Ltd | Impact sensor |
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