JPH0429828U - - Google Patents
Info
- Publication number
- JPH0429828U JPH0429828U JP6949390U JP6949390U JPH0429828U JP H0429828 U JPH0429828 U JP H0429828U JP 6949390 U JP6949390 U JP 6949390U JP 6949390 U JP6949390 U JP 6949390U JP H0429828 U JPH0429828 U JP H0429828U
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- vortex
- conduit
- vortex generator
- pipe
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
- Details Of Flowmeters (AREA)
Description
第１図は本考案の全体構成を示す縦断面図、第
２図は第１図に示す支持端近傍の詳細を示す詳細
図、第３図は第１図に示すバネの荷重特性を示す
特性図、第４図は従来の渦流量計の検出部の断面
を示す断面図、第５図は第４図における圧電素子
で検出された渦信号を処理するチヤージコンバー
タの構成を示す回路図、第６図は従来の渦流量計
の全体較正を示すブロツク図、第７図は第４図に
示す渦発生体の管路への固定部分の問題点を説明
する説明図である。
１０……管路、１０Ａ……挿入孔、１０Ｂ……
支持孔、１２……渦発生体、１３……ネジ、１７
，２１……圧電素子、２９……チヤージコンバー
タ、３５……バネ、３６……収納筒、３７……プ
ラグ、３８……Ｏリング。
Fig. 1 is a longitudinal sectional view showing the overall configuration of the present invention, Fig. 2 is a detailed view showing details near the support end shown in Fig. 1, and Fig. 3 is a characteristic showing the load characteristics of the spring shown in Fig. 1. 4 is a sectional view showing a cross section of a detection section of a conventional vortex flow meter, and FIG. 5 is a circuit diagram showing the configuration of a charge converter that processes the vortex signal detected by the piezoelectric element in FIG. 4. FIG. 6 is a block diagram showing the overall calibration of a conventional vortex flowmeter, and FIG. 7 is an explanatory diagram illustrating the problem of the portion of the vortex generator shown in FIG. 4 fixed to the pipe line. 10... Conduit, 10A... Insertion hole, 10B...
Support hole, 12... Vortex generator, 13... Screw, 17
, 21... Piezoelectric element, 29... Charge converter, 35... Spring, 36... Storage tube, 37... Plug, 38... O-ring.
Claims (1)
る測定流体の流量に応じてこの渦発生体に発生す
るカルマン渦に対応する信号を検出する渦流量計
において、前記渦発生体は一端に形成された凹部
に一対の圧電素子が積層されて挿入され前記管路
に前記一端が固定されると共に他端に前記管路に
固定する固定端が形成され、この固定端は前記管
路に固定されたバネにより前記渦発生体の軸方向
に押圧されることを特徴とする渦流量計。 In a vortex flowmeter in which a vortex generator is inserted into a pipe and detects a signal corresponding to a Karman vortex generated in the vortex generator according to the flow rate of a measurement fluid flowing through the pipe, the vortex generator has one end. A pair of piezoelectric elements are laminated and inserted into a recess formed in the conduit, one end of which is fixed to the conduit, and a fixed end fixed to the conduit is formed at the other end, and this fixed end is fixed to the conduit. A vortex flowmeter characterized in that the vortex generator is pressed in the axial direction by a fixed spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6949390U JPH0429828U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6949390U JPH0429828U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429828U true JPH0429828U (en) | 1992-03-10 |
Family
ID=31604845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6949390U Pending JPH0429828U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429828U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57114265A (en) * | 1981-01-07 | 1982-07-16 | Sumitomo Electric Ind Ltd | Ic lead frame and transistor comb and manufacture thereof |
| JPS58168268A (en) * | 1982-03-29 | 1983-10-04 | Toshiba Corp | Lead frame for semiconductor |
-
1990
- 1990-06-29 JP JP6949390U patent/JPH0429828U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57114265A (en) * | 1981-01-07 | 1982-07-16 | Sumitomo Electric Ind Ltd | Ic lead frame and transistor comb and manufacture thereof |
| JPS58168268A (en) * | 1982-03-29 | 1983-10-04 | Toshiba Corp | Lead frame for semiconductor |
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