JPH02118224U - - Google Patents
Info
- Publication number
- JPH02118224U JPH02118224U JP2575389U JP2575389U JPH02118224U JP H02118224 U JPH02118224 U JP H02118224U JP 2575389 U JP2575389 U JP 2575389U JP 2575389 U JP2575389 U JP 2575389U JP H02118224 U JPH02118224 U JP H02118224U
- Authority
- JP
- Japan
- Prior art keywords
- recess
- piezoelectric element
- force
- common electrode
- electrode
- 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
- 239000004020 conductor Substances 0.000 claims 1
- 239000011810 insulating material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012210 heat-resistant fiber Substances 0.000 description 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案の要部を示す縦断面図、第２図
は本考案の他の実施例の要部構成説明図、第３図
は従来の渦流量計の検出部の構成を示す縦断面図
、第４図は第３図に示す検出部で検出した電荷を
電圧に変換する変換部の構成を示すブロツク図、
第５図、第６図は第３図に示す検出部の動作を説
明する説明図である。
１０……管路、１２……渦発生体、１４……フ
ランジ部、１５……凹部、１６……第１コモン電
極、１７，２１……圧電素子、１８，２０……電
極板、１９……絶縁板、２２……押圧棒、３１…
…耐熱繊維体、３２……締付け手段、３３……溝
。
Fig. 1 is a longitudinal sectional view showing the main parts of the present invention, Fig. 2 is an explanatory diagram of the main part configuration of another embodiment of the invention, and Fig. 3 is a longitudinal sectional view showing the structure of the detection section of a conventional vortex flowmeter. 4 is a block diagram showing the configuration of a conversion section that converts the charge detected by the detection section shown in FIG. 3 into voltage;
5 and 6 are explanatory diagrams for explaining the operation of the detection section shown in FIG. 3. FIG. DESCRIPTION OF SYMBOLS 10... Pipeline, 12... Vortex generator, 14... Flange part, 15... Recessed part, 16... First common electrode, 17, 21... Piezoelectric element, 18, 20... Electrode plate, 19... ...Insulating plate, 22...Press rod, 31...
...Heat-resistant fiber body, 32...Tightening means, 33...Groove.
Claims (1)
出して流量を測定する渦流量計において、 管路に直角に挿入された剛性の高い柱状の受力
体と、該受力体の軸方向に設けられた凹部と、該
凹部に前記受力体の軸に垂直方向に配置された２
個の圧電素子と、該２個の圧電素子の間に配置さ
れた２個の電極板と、該２個の電極板の間に配置
された絶縁板と、前記凹部の底部と前記圧電素子
との間に設けられた導電材よりなる第１コモン電
極と、前記凹部に側面が接触しない〓間を保つて
挿入され一端が前記圧電素子を該凹部に一体構成
となるように押圧固定し他端が前記凹部の開口部
において溶接固定され第２コモン電極として機能
する柱状剛性の高い押圧棒と、該押圧棒と前記圧
電素子と前記電極板と前記絶縁板と前記第１コモ
ン電極の側面が前記凹部の側面に接触しないよう
に該押圧棒と該圧電素子と該電極板と該絶縁板と
該第１コモン電極の側面に巻回された絶縁材より
なる耐熱性繊維体と、該耐熱性繊維体を固定する
金属のバンドあるいはワイヤからなる締付け手段
とを具備してなる渦流量計。[Scope of Claim for Utility Model Registration] A vortex flow meter that measures flow rate by detecting the alternating force acting on a force receiving body due to Karman vortices, which includes: a highly rigid columnar force receiving body inserted at right angles to a pipe; a recess provided in the axial direction of the force-receiving body; and a second recess disposed in the recess in a direction perpendicular to the axis of the force-receiving body.
a piezoelectric element, two electrode plates disposed between the two piezoelectric elements, an insulating plate disposed between the two electrode plates, and a space between the bottom of the recess and the piezoelectric element. A first common electrode made of a conductive material provided at A highly rigid columnar press rod that is welded and fixed at the opening of the recess and functions as a second common electrode, and the side surfaces of the press rod, the piezoelectric element, the electrode plate, the insulating plate, and the first common electrode The press rod, the piezoelectric element, the electrode plate, the insulating plate, a heat-resistant fibrous body made of an insulating material wound around the side surface of the first common electrode, and the heat-resistant fibrous body so as not to contact the side surfaces. A vortex flowmeter comprising a fastening means consisting of a metal band or wire for fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2575389U JPH02118224U (en) | 1989-03-07 | 1989-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2575389U JPH02118224U (en) | 1989-03-07 | 1989-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118224U true JPH02118224U (en) | 1990-09-21 |
Family
ID=31246765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2575389U Pending JPH02118224U (en) | 1989-03-07 | 1989-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118224U (en) |
-
1989
- 1989-03-07 JP JP2575389U patent/JPH02118224U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02118224U (en) | ||
| JPH03106424U (en) | ||
| JPS6433614U (en) | ||
| JP3629703B2 (en) | Vortex flow meter | |
| JPH0229169B2 (en) | DENJIRYURYOKEI | |
| JPS6247917U (en) | ||
| JPS59168130U (en) | vortex flow meter | |
| JPS6275822U (en) | ||
| JPS6032570Y2 (en) | Flow velocity flow measuring device | |
| JP3144146B2 (en) | Vortex flow meter | |
| JPS6179220U (en) | ||
| JPH02109216U (en) | ||
| JPS6199017U (en) | ||
| JPH0434623U (en) | ||
| JPH0175825U (en) | ||
| JPS61112225U (en) | ||
| JPS60170728U (en) | vortex flow meter | |
| JPS62115626U (en) | ||
| JPS60159324U (en) | vortex flow meter | |
| JP2003322553A (en) | Vortex flowmeter | |
| JPS62139028U (en) | ||
| JPS6192814U (en) | ||
| JPS58112922U (en) | vortex flow meter | |
| JPH10267716A (en) | Electrode structure for electromagnetic flowmeter | |
| JPS5997008A (en) | Vortex flowmeter |