JPS6212828U - - Google Patents
Info
- Publication number
- JPS6212828U JPS6212828U JP10430085U JP10430085U JPS6212828U JP S6212828 U JPS6212828 U JP S6212828U JP 10430085 U JP10430085 U JP 10430085U JP 10430085 U JP10430085 U JP 10430085U JP S6212828 U JPS6212828 U JP S6212828U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- center
- terminal
- piezoelectric ceramic
- hole
- 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 description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例におけるノツクセン
サの一部の断面図、第２図は従来のノツクセンサ
の断面図、第３図は同ノツクセンサの周波数特性
図、第４図はノツクセンサとノツクコントローラ
との接続状態を示す電気回路図である。
１……筐体、２……ネジ部、３……基板、４…
…凸部、５……突起、６……孔、７……振動板、
８……圧電セラミツク、９……コネクタユニツト
、１０……円筒部、１１……基板部、１２……凹
部、１３……ターミナル、１４……リード部、１
６′……金属箔、１７……Ｏリング、１８……規
制板、１９……抵抗、２０……リード線、２１…
…抵抗、２２……直流電源、２３……チツプ抵抗
、２４……絶縁スリーブ。
Fig. 1 is a cross-sectional view of a part of a knock sensor according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of a conventional knock sensor, Fig. 3 is a frequency characteristic diagram of the same knock sensor, and Fig. 4 is a diagram showing the knock sensor and the knock controller. FIG. 2 is an electric circuit diagram showing a connection state. 1... Housing, 2... Screw part, 3... Board, 4...
... Convex portion, 5 ... Protrusion, 6 ... Hole, 7 ... Vibration plate,
8... Piezoelectric ceramic, 9... Connector unit, 10... Cylindrical part, 11... Substrate part, 12... Recessed part, 13... Terminal, 14... Lead part, 1
6'...Metal foil, 17...O ring, 18...Regulation plate, 19...Resistor, 20...Lead wire, 21...
...Resistor, 22...DC power supply, 23...Chip resistor, 24...Insulating sleeve.
Claims (1)
起が形成された導電性の基板と、中央に孔が形成
され孔縁部が上記突起に固定された振動板と、中
央に孔が形成され上記振動板の片面に接着された
圧電セラミツクと、上記基板、振動板、圧電セラ
ミツクの孔を貫通するリード部を有するターミナ
ルと、上記圧電セラミツクの一方の電極と上記タ
ーミナルのリード部とを接続する金属箔と、一方
の端子部が上記振動板に接続され、他方の端子部
が上記金属箔に接続されたチツプ抵抗とを具備し
、上記基板を筐体内に固定してなるノツクセンサ
。 A conductive substrate with a hole formed in the center and a protrusion formed in the center of one side, a diaphragm with a hole formed in the center and the edge of the hole fixed to the protrusion, and a diaphragm with a hole formed in the center and the above-mentioned A piezoelectric ceramic bonded to one side of the diaphragm, a terminal having a lead portion that penetrates the substrate, the diaphragm, and a hole in the piezoelectric ceramic, and a metal connecting one electrode of the piezoelectric ceramic and the lead portion of the terminal. A knock sensor comprising a foil and a chip resistor having one terminal portion connected to the diaphragm and the other terminal portion connected to the metal foil, the substrate being fixed in a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10430085U JPS6212828U (en) | 1985-07-09 | 1985-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10430085U JPS6212828U (en) | 1985-07-09 | 1985-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6212828U true JPS6212828U (en) | 1987-01-26 |
Family
ID=30977666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10430085U Pending JPS6212828U (en) | 1985-07-09 | 1985-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6212828U (en) |
-
1985
- 1985-07-09 JP JP10430085U patent/JPS6212828U/ja active Pending
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