JPH02140329U - - Google Patents
Info
- Publication number
- JPH02140329U JPH02140329U JP14397289U JP14397289U JPH02140329U JP H02140329 U JPH02140329 U JP H02140329U JP 14397289 U JP14397289 U JP 14397289U JP 14397289 U JP14397289 U JP 14397289U JP H02140329 U JPH02140329 U JP H02140329U
- Authority
- JP
- Japan
- Prior art keywords
- plastic film
- piezoelectric plastic
- sensing device
- seismic sensing
- transmission member
- 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
- 239000002985 plastic film Substances 0.000 claims description 14
- 229920006255 plastic film Polymers 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 2
- 229910000906 Bronze Inorganic materials 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims 1
- 239000010974 bronze Substances 0.000 claims 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の実施例である感震装置の断
面図、第２図は同感震装置の圧電プラスチツクフ
イルムを含む回路図、第３図および第４図はこの
考案の別の実施例の要部を示す図である。第５図
Ａ〜Ｃは請求項(2)に記載した考案に係る実施例
の要部の断面図、第６図ＡおよびＢはそれぞれ請
求項(3)および(4)に記載した考案に係る実施例の
構成を示す要部の断面図、第７図および第８図は
請求項(5)に記載した考案に係る実施例に用いら
れる圧電プラスチツクフイルムのそれぞれ加工前
および加工後の正面図、第９図は同圧電プラスチ
ツクフイルムの要部の拡大断面図である。第１０
図はこの考案のさらに別の実施例に係る圧電プラ
スチツクフイルムの要部の拡大断面図である。第
１１図は従来の感震装置を示す断面図である。
２……圧電プラスチツクフイルム、３……錘、
４……振動棒（伝達部材）、５……スライダ（伝
達部材）、３１ａ，３１ｂ……電極、２１……Ｍ
ＯＳＦＥＴ回路（電圧検出手段）。
Fig. 1 is a sectional view of a seismic sensing device which is an embodiment of this invention, Fig. 2 is a circuit diagram of the seismic sensing device including a piezoelectric plastic film, and Figs. 3 and 4 are another embodiment of this invention. FIG. 3 is a diagram showing the main parts. FIGS. 5A to 5C are cross-sectional views of essential parts of the embodiment according to the invention set forth in claim (2), and FIGS. 6A and B are sectional views according to the invention set forth in claims (3) and (4), respectively. 7 and 8 are front views of the piezoelectric plastic film used in the embodiment according to the invention set forth in claim (5) before and after processing, respectively; FIG. 9 is an enlarged sectional view of the main part of the same piezoelectric plastic film. 10th
The figure is an enlarged sectional view of a main part of a piezoelectric plastic film according to yet another embodiment of the invention. FIG. 11 is a sectional view showing a conventional vibration sensing device. 2... Piezoelectric plastic film, 3... Weight,
4... Vibration rod (transmission member), 5... Slider (transmission member), 31a, 31b... Electrode, 21...M
OSFET circuit (voltage detection means).
Claims (1)
せるとともに、上端を固定し下端を自由端とした
圧電プラスチツクフイルムと、所定範囲の三次元
空間に移動自在にされた錘と、錘の水平方向の揺
れ、あるいは垂直方向の揺れを垂直方向の移動と
して抽出して圧電プラスチツクフイルムに伝達す
る伝達部材と、圧電プラスチツクフイルムに生じ
た電圧を検出する電圧検出手段と、を設けたこと
を特徴とする感震装置。 (2) 前記圧電プラスチツクフイルムの下端に前
記伝達部材を固定するとともに、前記圧電プラス
チツクフイルムの上端および下端の少なくとも一
方を湾曲方向に傾斜させて固定した請求項(1)記
載の感震装置。 (3) 前記圧電プラスチツクフイルムの上端を垂
直方向に固定し、且つ下端を伝達部材に当接保持
させた請求項(1)記載の感震装置。 (4) 前記圧電プラスチツクフイルムの上端を湾
曲方向に傾斜させて固定し、且つ下端を伝達部材
に当接保持させた請求項(1)記載の感震装置。 (5) 前記圧電プラスチツクフイルムの両面にお
いて少なくとも下端近傍の所定の範囲を除く部分
にフイルム状の電極を構成した請求項(1)〜(4)記
載の感震装置。 (6) 前記圧電プラスチツクフイルムの何れか一
方の面に燐青銅またはベリリウム銅等の金属バネ
板材を貼付した請求項(1)〜(5)記載の感震装置。[Claims for Utility Model Registration] (1) A piezoelectric plastic film that is curved in one direction between the upper end and the lower end, with the upper end fixed and the lower end free; a transmission member that extracts the horizontal or vertical vibration of the weight as vertical movement and transmits it to the piezoelectric plastic film; and a voltage detection means that detects the voltage generated in the piezoelectric plastic film. A seismic sensing device characterized by being provided with. (2) The seismic sensing device according to claim (1), wherein the transmission member is fixed to the lower end of the piezoelectric plastic film, and at least one of the upper and lower ends of the piezoelectric plastic film is tilted in a curved direction. (3) The seismic sensing device according to claim (1), wherein an upper end of the piezoelectric plastic film is fixed in a vertical direction, and a lower end is held in contact with a transmission member. (4) The seismic sensing device according to claim (1), wherein the upper end of the piezoelectric plastic film is tilted and fixed in a curved direction, and the lower end is held in contact with a transmission member. (5) The seismic sensing device according to any one of claims (1) to (4), wherein film-like electrodes are formed on both surfaces of the piezoelectric plastic film except for at least a predetermined area near the lower end. (6) The seismic sensing device according to any one of claims (1) to (5), wherein a metal spring plate material such as phosphor bronze or beryllium copper is attached to one surface of the piezoelectric plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14397289U JPH0526504Y2 (en) | 1989-01-17 | 1989-12-12 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP413989 | 1989-01-17 | ||
| JP14397289U JPH0526504Y2 (en) | 1989-01-17 | 1989-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02140329U true JPH02140329U (en) | 1990-11-22 |
| JPH0526504Y2 JPH0526504Y2 (en) | 1993-07-05 |
Family
ID=31717053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14397289U Expired - Lifetime JPH0526504Y2 (en) | 1989-01-17 | 1989-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526504Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014123144A1 (en) * | 2013-02-06 | 2014-08-14 | 日本電気株式会社 | Vibration detection device |
-
1989
- 1989-12-12 JP JP14397289U patent/JPH0526504Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014123144A1 (en) * | 2013-02-06 | 2014-08-14 | 日本電気株式会社 | Vibration detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526504Y2 (en) | 1993-07-05 |
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