JPH0257060U - - Google Patents
Info
- Publication number
- JPH0257060U JPH0257060U JP13617588U JP13617588U JPH0257060U JP H0257060 U JPH0257060 U JP H0257060U JP 13617588 U JP13617588 U JP 13617588U JP 13617588 U JP13617588 U JP 13617588U JP H0257060 U JPH0257060 U JP H0257060U
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- ultrasonic
- fixing plate
- element fixing
- sensor
- 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
- 239000007788 liquid Substances 0.000 claims 5
- 239000000463 material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例となる超音波センサ
ーの構造を示す図でＡは全体の縦断面図、ＢはＡ
図のＡ−Ａ′断面図である。第２図および第３図
は従来の超音波センサーを示す図で、第２図のＡ
はセンサーの全体図、ＢはＡのＡ−Ａ′断面図、
第３図Ｃ，Ｄはいずれも保持具への超音波送受波
器の固定方法を示した断面図である。
Figure 1 is a diagram showing the structure of an ultrasonic sensor that is an embodiment of the present invention, in which A is a longitudinal cross-sectional view of the entire structure, and B is a longitudinal cross-sectional view of the whole.
It is a sectional view taken along the line AA' in the figure. Figures 2 and 3 are diagrams showing conventional ultrasonic sensors.
is the overall view of the sensor, B is the A-A' cross-sectional view of A,
FIGS. 3C and 3D are both sectional views showing a method of fixing the ultrasonic transducer to the holder.
Claims (1)
速度と該液状体の温度より演算して該液状体の特
性を算出する超音波測定装置において、超音波送
受波器および温度センサーが固定され直接液状体
に接触する素子固定板、および下部側面に液状体
を流通させるための窓穴を有すると共に底部に超
音波の反射面を有し、上部に前記素子固定板を保
持するセンサー筺体より基本的に構成されており
、該センサー筐体と素子固定板の材質の音響イン
ピーダンスの比が２以上であることを特徴とする
超音波センサー。 In an ultrasonic measurement device that propagates ultrasonic waves in a liquid and calculates the characteristics of the liquid by calculating the propagation velocity of the ultrasonic waves and the temperature of the liquid, the ultrasonic transducer and temperature sensor are fixed. an element fixing plate that is in direct contact with the liquid, and a sensor housing that has a window hole on the lower side for allowing the liquid to flow, has an ultrasonic reflecting surface on the bottom, and holds the element fixing plate on the upper part. What is claimed is: 1. An ultrasonic sensor having a basic structure, wherein the acoustic impedance ratio of the materials of the sensor housing and the element fixing plate is 2 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13617588U JPH0257060U (en) | 1988-10-20 | 1988-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13617588U JPH0257060U (en) | 1988-10-20 | 1988-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0257060U true JPH0257060U (en) | 1990-04-25 |
Family
ID=31396437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13617588U Pending JPH0257060U (en) | 1988-10-20 | 1988-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0257060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006506607A (en) * | 2002-08-28 | 2006-02-23 | セパレーション テクノロジー，インコーポレーティッド | Method and apparatus for ultrasonic measurement of red blood cell index |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63250559A (en) * | 1987-04-07 | 1988-10-18 | Shokuhin Sangyo Onrain Center Gijutsu Kenkyu Kumiai | Sensor for detecting liquid concentration by acoustic wave |
-
1988
- 1988-10-20 JP JP13617588U patent/JPH0257060U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63250559A (en) * | 1987-04-07 | 1988-10-18 | Shokuhin Sangyo Onrain Center Gijutsu Kenkyu Kumiai | Sensor for detecting liquid concentration by acoustic wave |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006506607A (en) * | 2002-08-28 | 2006-02-23 | セパレーション テクノロジー，インコーポレーティッド | Method and apparatus for ultrasonic measurement of red blood cell index |
| JP4659457B2 (en) * | 2002-08-28 | 2011-03-30 | セパレーション テクノロジー，インコーポレーティッド | Method and apparatus for ultrasonic measurement of red blood cell index |