JPS62201029U - - Google Patents
Info
- Publication number
- JPS62201029U JPS62201029U JP9031486U JP9031486U JPS62201029U JP S62201029 U JPS62201029 U JP S62201029U JP 9031486 U JP9031486 U JP 9031486U JP 9031486 U JP9031486 U JP 9031486U JP S62201029 U JPS62201029 U JP S62201029U
- Authority
- JP
- Japan
- Prior art keywords
- vibration sensor
- vibrator
- metal case
- welded
- fixed
- 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
- 239000002184 metal Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の振動センサの外観斜視図、第
２図は第１図に示す振動センサの分解図、第３図
は第１図、第２図に示す振動検出センサの断面図
、第４図は振動子の一実施例の一部断面を有する
斜視図、第５図は剛性の増加を説明する説明図、
第６図は剛性増加部の変形例を示す斜視図、第７
図は振動板と圧電素子との接着状態を示す断面図
、第８図は振動子の金属ケース内での取付け状態
を示す断面図、第９図は圧電素子の振動板に対す
る貼着位置の変形例を示す分解図、第１０図は従
来の振動センサの断面図、第１１図ａ，ｂ，ｃは
従来の振動子の固定状態を示す斜視図である。
２…金属ケース、７…振動子支持部材、８…圧
電素子、９…振動板、１２…振動子、９ｃ…突出
部。
Fig. 1 is an external perspective view of the vibration sensor of the present invention, Fig. 2 is an exploded view of the vibration sensor shown in Fig. 1, Fig. 3 is a sectional view of the vibration detection sensor shown in Figs. FIG. 4 is a perspective view with a partial cross section of an embodiment of the vibrator, FIG. 5 is an explanatory diagram illustrating an increase in rigidity,
Fig. 6 is a perspective view showing a modified example of the stiffness increasing portion;
The figure is a sectional view showing the adhesion state between the diaphragm and the piezoelectric element, Fig. 8 is a sectional view showing the installation state of the vibrator in the metal case, and Fig. 9 is a modification of the attachment position of the piezoelectric element to the diaphragm. An exploded view showing an example, FIG. 10 is a sectional view of a conventional vibration sensor, and FIGS. 11a, b, and c are perspective views showing a fixed state of a conventional vibrator. 2... Metal case, 7... Vibrator support member, 8... Piezoelectric element, 9... Vibration plate, 12... Vibrator, 9c... Projection.
Claims (1)
振動板とからなる振動子を有し、加えられた振動
を圧電変換する振動センサにおいて、前記振動板
の少なくとも中央部に突出部を設け、この突出部
を介して金属ケース内に溶着固定したことを特徴
とする振動センサ。 (2) 前記振動子は金属製ケースの底部に溶着固
定されるものである実用新案登録請求の範囲第１
項記載の振動センサ。 (3) 前記振動子は金属製ケース内に設けられた
振動子支持部材に溶着固定されるものである実用
新案登録請求の範囲第１項記載の振動センサ。 (4) 前記突出部と溶着固定される金属製ケース
の底部表面又は振動子支持部材表面は平坦に形成
されたものである実用新案登録請求の範囲第１項
乃至第３項記載の振動センサ。 (5) 前記振動板と圧電素子との貼着面は粗面で
ある実用新案登録請求の範囲第１項記載の振動セ
ンサ。[Claims for Utility Model Registration] (1) A vibration sensor that has a vibrator consisting of a ring-shaped piezoelectric element and a diaphragm inside a metal case, and converts applied vibration piezoelectrically, wherein at least A vibration sensor characterized in that a protrusion is provided in the center, and the vibration sensor is welded and fixed within a metal case via the protrusion. (2) Utility model registration claim 1, in which the vibrator is welded and fixed to the bottom of a metal case.
Vibration sensor described in section. (3) The vibration sensor according to claim 1, wherein the vibrator is welded and fixed to a vibrator support member provided in a metal case. (4) The vibration sensor according to any one of claims 1 to 3, wherein the bottom surface of the metal case or the surface of the vibrator support member, which is welded and fixed to the protrusion, is formed flat. (5) The vibration sensor according to claim 1, wherein the bonding surface between the diaphragm and the piezoelectric element is a rough surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9031486U JPS62201029U (en) | 1986-06-13 | 1986-06-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9031486U JPS62201029U (en) | 1986-06-13 | 1986-06-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62201029U true JPS62201029U (en) | 1987-12-22 |
Family
ID=30950062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9031486U Pending JPS62201029U (en) | 1986-06-13 | 1986-06-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62201029U (en) |
-
1986
- 1986-06-13 JP JP9031486U patent/JPS62201029U/ja active Pending