JPH03106425U - - Google Patents
Info
- Publication number
- JPH03106425U JPH03106425U JP1279690U JP1279690U JPH03106425U JP H03106425 U JPH03106425 U JP H03106425U JP 1279690 U JP1279690 U JP 1279690U JP 1279690 U JP1279690 U JP 1279690U JP H03106425 U JPH03106425 U JP H03106425U
- Authority
- JP
- Japan
- Prior art keywords
- electro
- acoustic
- piezoelectric material
- converting means
- ultrasonic flowmeter
- 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
- 239000000463 material Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図ａは本考案の一実施例を示す電気−音響
変換素子の側面図であり、第１図ｂはその平面図
、第２図は従来のクランプオン型の超音波流量計
の取付状態を示す概略図、第３図ａは超音波セン
サを示す側面図、第３図ｂはその平面図、第４図
ａは振動子の配列を説明する説明図、第４図ｂは
振動子の駆動方法の一例を説明するタイミングチ
ヤート図、第５図ａ及び第５図ｂは従来の振動子
の配列を説明する説明図、第６図は従来の振動子
の接着状態を説明する図である。
１……管路、２，３……超音波センサ、４……
柱状体、５……圧電素材、６……電極、７……電
極切欠部、１０……電気−音響変換素子、１１…
…電極、１２……圧電素材、１３……接着剤。
Fig. 1a is a side view of an electro-acoustic transducer according to an embodiment of the present invention, Fig. 1b is a plan view thereof, and Fig. 2 is a conventional clamp-on type ultrasonic flowmeter installed. FIG. 3a is a side view showing the ultrasonic sensor, FIG. 3b is a plan view thereof, FIG. 4a is an explanatory diagram illustrating the arrangement of the transducers, and FIG. A timing chart diagram illustrating an example of a driving method, FIGS. 5a and 5b are explanatory diagrams illustrating the arrangement of conventional vibrators, and FIG. 6 is a diagram illustrating the bonding state of conventional vibrators. . 1... Conduit, 2, 3... Ultrasonic sensor, 4...
Column, 5... Piezoelectric material, 6... Electrode, 7... Electrode notch, 10... Electric-acoustic conversion element, 11...
...Electrode, 12...Piezoelectric material, 13...Adhesive.
Claims (1)
に対して位相の異なる信号を順次送信する送信手
段と、該送信手段により駆動される前記電気−音
響変換手段からの出力波形を合成する波形合成手
段とを備えた超音波流量計であつて、前記電気−
音響変換手段は所定の厚さを有し平面的に形成さ
れた圧電素材と、該圧電素材の両面に形成された
電極部と、該電極部の少なくとも一方の面に形成
された電極切欠部とで構成されていることを特徴
とする超音波流量計。 an electro-acoustic converting means, a transmitting means for sequentially transmitting signals having different phases to the electro-acoustic converting means, and a waveform synthesis for synthesizing output waveforms from the electro-acoustic converting means driven by the transmitting means. an ultrasonic flowmeter comprising means for
The acoustic conversion means includes a piezoelectric material having a predetermined thickness and formed in a planar manner, an electrode portion formed on both surfaces of the piezoelectric material, and an electrode notch portion formed on at least one surface of the electrode portion. An ultrasonic flowmeter characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990012796U JPH0734345Y2 (en) | 1990-02-14 | 1990-02-14 | Ultrasonic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990012796U JPH0734345Y2 (en) | 1990-02-14 | 1990-02-14 | Ultrasonic flow meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03106425U true JPH03106425U (en) | 1991-11-01 |
| JPH0734345Y2 JPH0734345Y2 (en) | 1995-08-02 |
Family
ID=31516250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990012796U Expired - Lifetime JPH0734345Y2 (en) | 1990-02-14 | 1990-02-14 | Ultrasonic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0734345Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007177543A (en) * | 2005-12-28 | 2007-07-12 | Sun Wave Ind Co Ltd | Drain trap |
-
1990
- 1990-02-14 JP JP1990012796U patent/JPH0734345Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007177543A (en) * | 2005-12-28 | 2007-07-12 | Sun Wave Ind Co Ltd | Drain trap |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0734345Y2 (en) | 1995-08-02 |