JPH0245430U - - Google Patents
Info
- Publication number
- JPH0245430U JPH0245430U JP12218588U JP12218588U JPH0245430U JP H0245430 U JPH0245430 U JP H0245430U JP 12218588 U JP12218588 U JP 12218588U JP 12218588 U JP12218588 U JP 12218588U JP H0245430 U JPH0245430 U JP H0245430U
- Authority
- JP
- Japan
- Prior art keywords
- stem
- lead wires
- cylindrical metal
- case
- metal case
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 2
- 238000001514 detection method Methods 0.000 description 1
- 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Ａは本考案による第１の実施例による圧
電式振動センサの斜視図、Ｂは同断面図、第２図
Ａは本考案による第２の実施例による圧電式振動
センサの斜視図、Ｂは同断面図、第３図は従来の
圧電式振動センサの斜視図である。
１…圧電バイモルフ振動子、１ａ…振動検知面
方向、２…ステム、３，４…リード線、５…ガラ
ス、６…金属製管、７…半田または導電性接着剤
、８…金属製ケース、９…多角形のケース、１０
…取り付け面、１１，１２…振動方向。
1A is a perspective view of a piezoelectric vibration sensor according to a first embodiment of the present invention, B is a sectional view thereof, and FIG. 2A is a perspective view of a piezoelectric vibration sensor according to a second embodiment of the present invention, B is a sectional view of the same, and FIG. 3 is a perspective view of a conventional piezoelectric vibration sensor. DESCRIPTION OF SYMBOLS 1... Piezoelectric bimorph vibrator, 1a... Vibration detection surface direction, 2... Stem, 3, 4... Lead wire, 5... Glass, 6... Metal tube, 7... Solder or conductive adhesive, 8... Metal case, 9... Polygonal case, 10
...Mounting surface, 11, 12... Vibration direction.
Claims (1)
せて貼合わせた短冊状圧電バイモルフ振動子を、
２本のリード線がガラスにより金属製管に封入さ
れているステムの、前記２本のリード線の先端に
半田または導電性接着剤で電気的に接続固定した
片持ち梁構造とすると共に、前記ステムの外周に
一端を閉じた円筒形の金属製ケースを圧入し、さ
らに、前記円筒形の金属製ケースに多角形のケー
スを被せてなることを特徴とする圧電式振動セン
サ。 A strip-shaped piezoelectric bimorph vibrator is made by attaching electrodes on both sides to perform polarization, and then aligning the polarization axes and bonding them together.
The stem has two lead wires sealed in a metal tube with glass, and has a cantilever structure in which the ends of the two lead wires are electrically connected and fixed with solder or conductive adhesive, and A piezoelectric vibration sensor characterized in that a cylindrical metal case with one end closed is press-fitted onto the outer periphery of a stem, and a polygonal case is further placed over the cylindrical metal case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218588U JPH062120Y2 (en) | 1988-09-20 | 1988-09-20 | Piezoelectric vibration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218588U JPH062120Y2 (en) | 1988-09-20 | 1988-09-20 | Piezoelectric vibration sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0245430U true JPH0245430U (en) | 1990-03-28 |
| JPH062120Y2 JPH062120Y2 (en) | 1994-01-19 |
Family
ID=31369876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12218588U Expired - Lifetime JPH062120Y2 (en) | 1988-09-20 | 1988-09-20 | Piezoelectric vibration sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062120Y2 (en) |
-
1988
- 1988-09-20 JP JP12218588U patent/JPH062120Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062120Y2 (en) | 1994-01-19 |
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