JPS61102829U - - Google Patents
Info
- Publication number
- JPS61102829U JPS61102829U JP18590284U JP18590284U JPS61102829U JP S61102829 U JPS61102829 U JP S61102829U JP 18590284 U JP18590284 U JP 18590284U JP 18590284 U JP18590284 U JP 18590284U JP S61102829 U JPS61102829 U JP S61102829U
- Authority
- JP
- Japan
- Prior art keywords
- insulator
- high voltage
- vibration
- lead wire
- voltage protection
- 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
- 239000012212 insulator Substances 0.000 claims description 7
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 239000000463 material Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 2
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例を示す振動検出器の
断面図である。第２図および第３図は第１図の実
施例の使用状態を示す平面図および正面図である
。第４図は本考案の他の実施例を示す振動検出器
の断面図である。第５図は第４図の実施例の使用
状態を示す正面図である。
１……金属ケース、１ａ……円筒部、１ｃ……
フランジ部、１ｅ……突設部、２……接続管、３
……蓋、５……締着ベース、６……電極板、７ａ
……圧電セラミツク素子、７ｂ……圧電セラミツ
ク素子、８……絶縁スリーブ、９……負荷質量、
１１……金属スリーブ（シールド用金属体）、１
２……絶縁冠（絶縁体）、１２ｂ……挿通孔、１
２ｃ……挿通孔、１３ａ……リード線、１３ｂ…
…リード線、１４……高電圧保護回路、１５……
内蓋、１６……絶縁板、１９ａ，１９ｂ，１９ｃ
……接続端子棒、２０……電気回路基板、２１…
…インピーダンス変換回路、２２……金属冠、２
３……電気信号出力ケーブル、２５……被振動検
出体、Ａ……空間部。
FIG. 1 is a sectional view of a vibration detector showing an embodiment of the present invention. 2 and 3 are a plan view and a front view showing the embodiment of FIG. 1 in a state of use. FIG. 4 is a sectional view of a vibration detector showing another embodiment of the present invention. FIG. 5 is a front view showing the embodiment of FIG. 4 in use. 1...Metal case, 1a...Cylindrical part, 1c...
Flange part, 1e... Projection part, 2... Connection pipe, 3
... Lid, 5 ... Tightening base, 6 ... Electrode plate, 7a
... Piezoelectric ceramic element, 7b... Piezoelectric ceramic element, 8... Insulating sleeve, 9... Load mass,
11...Metal sleeve (metal body for shielding), 1
2... Insulating crown (insulator), 12b... Insertion hole, 1
2c...Insertion hole, 13a...Lead wire, 13b...
...Lead wire, 14...High voltage protection circuit, 15...
Inner lid, 16...Insulating plate, 19a, 19b, 19c
... Connection terminal bar, 20 ... Electric circuit board, 21 ...
... Impedance conversion circuit, 22 ... Metal crown, 2
3... Electric signal output cable, 25... Vibration detected object, A... Space part.
Claims (1)
出素子に第１のリード線１３ａで電気的に接続さ
れ、前記振動検出素子から発生する高電圧を抑圧
するための高電圧保護回路１４と；該高電圧保護
回路に第２のリード線１３ｂで電気的に接続され
、前記振動検出素子のインピーダンス変換を行な
うためのインピーダンス変換回路２１とを金属ケ
ース内に内蔵した振動検出器であつて： 前記振動検出素子の周りを囲むように空間部Ａ
を形成して周設された絶縁体１２と；該絶縁体の
外部に設けた前記高電圧保護回路と絶縁体の内部
に設けた前記振動検出素子とを電気的に接続する
前記第１のリード線を配線するために前記絶縁体
に設けられた挿通孔１２ｂと； 前記絶縁体、前記高電圧保護回路、前記インピ
ーダンス変換回路、前記第１、第２のリード線を
囲むように周設されたシールド用金属体１１と； 前記第１のリード線が挿通された前記挿通孔及
び前記高電圧保護回路とインピーダンス変換回路
とを電気的に接続する前記第２のリード線の配線
される空間部Ｅを充填された絶縁性充填材とを備
えたことを特徴とする振動検出器。[Claims for Utility Model Registration] Vibration detecting elements 7a, 7b, 6, 9; electrically connected to the vibration detecting elements by a first lead wire 13a, suppressing high voltage generated from the vibration detecting elements. and an impedance conversion circuit 21 that is electrically connected to the high voltage protection circuit by a second lead wire 13b and that converts the impedance of the vibration detection element. A vibration detector having: a space A surrounding the vibration detection element;
an insulator 12 surrounding the insulator; and the first lead electrically connecting the high voltage protection circuit provided outside the insulator and the vibration detection element provided inside the insulator. an insertion hole 12b provided in the insulator for wiring a wire; an insertion hole 12b provided around the insulator, the high voltage protection circuit, the impedance conversion circuit, and the first and second lead wires; the shielding metal body 11; the insertion hole into which the first lead wire is inserted; and the space E where the second lead wire that electrically connects the high voltage protection circuit and the impedance conversion circuit is wired; A vibration detector comprising an insulating filling material filled with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18590284U JPH0247461Y2 (en) | 1984-12-07 | 1984-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18590284U JPH0247461Y2 (en) | 1984-12-07 | 1984-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61102829U true JPS61102829U (en) | 1986-06-30 |
| JPH0247461Y2 JPH0247461Y2 (en) | 1990-12-13 |
Family
ID=30743361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18590284U Expired JPH0247461Y2 (en) | 1984-12-07 | 1984-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247461Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0283431U (en) * | 1988-12-15 | 1990-06-28 | ||
| JPH0344519A (en) * | 1989-07-12 | 1991-02-26 | New Cosmos Electric Corp | Abnormality monitoring apparatus for rotary machine |
-
1984
- 1984-12-07 JP JP18590284U patent/JPH0247461Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0283431U (en) * | 1988-12-15 | 1990-06-28 | ||
| JPH0344519A (en) * | 1989-07-12 | 1991-02-26 | New Cosmos Electric Corp | Abnormality monitoring apparatus for rotary machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247461Y2 (en) | 1990-12-13 |
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