JPS63137823U - - Google Patents
Info
- Publication number
- JPS63137823U JPS63137823U JP3086787U JP3086787U JPS63137823U JP S63137823 U JPS63137823 U JP S63137823U JP 3086787 U JP3086787 U JP 3086787U JP 3086787 U JP3086787 U JP 3086787U JP S63137823 U JPS63137823 U JP S63137823U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical part
- hollow cylindrical
- piezoelectric vibrator
- ring
- hollow
- 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
- 238000005192 partition Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 3
- 239000012774 insulation material Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Flowmeters (AREA)
- Measuring Volume Flow (AREA)
Description
第１図はこの考案の一実施例を示す超音波流量
計用検出器センサ部の断面図、第２図はこの考案
による超音波流量計用検出器の外形図、第３図は
従来の超音波流量計用検出器の配置図である。
図において、１は超音波流量計用検出器、２は
取付ねじ、３はセンサ部、４は第１中空円筒部、
５は圧電振動子、１は前面板、７は隔壁、８は孔
、１０は端子、１１は電線、１３は第２中空円筒
部、１４は感圧素子、１５は信号変換器、１７は
端子板、１８はリング、２２は圧力センサである
。なお、各図中同一符号は同一または相当部分を
示す。
Fig. 1 is a cross-sectional view of the sensor part of an ultrasonic flowmeter detector showing an embodiment of this invention, Fig. 2 is an external view of the ultrasonic flowmeter detector according to this invention, and Fig. 3 is a conventional ultrasonic flowmeter detector. FIG. 3 is a layout diagram of a detector for a sonic flowmeter. In the figure, 1 is a detector for an ultrasonic flowmeter, 2 is a mounting screw, 3 is a sensor part, 4 is a first hollow cylindrical part,
5 is a piezoelectric vibrator, 1 is a front plate, 7 is a partition wall, 8 is a hole, 10 is a terminal, 11 is an electric wire, 13 is a second hollow cylinder part, 14 is a pressure sensitive element, 15 is a signal converter, 17 is a terminal The plate, 18 is a ring, and 22 is a pressure sensor. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
電振動子を端部に設け該電極が電気接続される中
空円筒と、該中空円筒の他端は音響遮断を行うリ
ングを介在して管路に設けられた取付座へ装着さ
れる超音波流量計用検出器において、 該中空円筒端部に設けられた該圧電振動子とそ
の背面を気密状態に保持する隔壁を有する第１中
空円筒部と、外部と連通して測定流体を導入する
孔を有し内面が該第１中空円筒部と係着される音
響遮断材よりなるリングと、該リングの孔から導
入される測定流体の圧力に感応する圧力センサな
らびに該圧力センサと該圧電振動子とに接続され
る端子板を有する第２中空円筒部とを具備し、該
第１中空円筒部と第２中空円筒部がリングを介在
して係着される超音波流量計用検出器。[Claims for Utility Model Registration] A piezoelectric vibrator with one electrode on one side having a front plate in contact with the fluid to be measured is provided at the end of a hollow cylinder to which the electrode is electrically connected, and the other end of the hollow cylinder provides acoustic isolation. In a detector for an ultrasonic flowmeter that is attached to a mounting seat provided in a conduit through a ring, the piezoelectric vibrator provided at the end of the hollow cylinder and a partition wall that maintains the back surface of the vibrator in an airtight state are used. a first hollow cylindrical part having a first hollow cylindrical part; a ring made of an acoustic insulation material having a hole that communicates with the outside and introduces a measuring fluid and whose inner surface is engaged with the first hollow cylindrical part; a second hollow cylindrical part having a pressure sensor sensitive to the pressure of a measurement fluid and a terminal plate connected to the pressure sensor and the piezoelectric vibrator, the first hollow cylindrical part and the second hollow cylindrical part; A detector for an ultrasonic flowmeter that is attached via a ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3086787U JPH062109Y2 (en) | 1987-03-03 | 1987-03-03 | Detector for ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3086787U JPH062109Y2 (en) | 1987-03-03 | 1987-03-03 | Detector for ultrasonic flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63137823U true JPS63137823U (en) | 1988-09-12 |
| JPH062109Y2 JPH062109Y2 (en) | 1994-01-19 |
Family
ID=30836068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3086787U Expired - Lifetime JPH062109Y2 (en) | 1987-03-03 | 1987-03-03 | Detector for ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062109Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003064979A1 (en) * | 2002-01-28 | 2003-08-07 | Matsushita Electric Industrial Co., Ltd. | Ultrasonic transmitter-receiver and ultrasonic flowmeter |
-
1987
- 1987-03-03 JP JP3086787U patent/JPH062109Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062109Y2 (en) | 1994-01-19 |
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