JPH0415053U - - Google Patents
Info
- Publication number
- JPH0415053U JPH0415053U JP5381790U JP5381790U JPH0415053U JP H0415053 U JPH0415053 U JP H0415053U JP 5381790 U JP5381790 U JP 5381790U JP 5381790 U JP5381790 U JP 5381790U JP H0415053 U JPH0415053 U JP H0415053U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- chamber
- photoacoustic cell
- sample chamber
- movable
- 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
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Optical Measuring Cells (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
第１図は本考案の光音響セルの一実施例を示す
構成図、第２図は第１図装置の動作を説明するた
めの構成図、第３図は第１図装置の変形実施例を
示す構成図、第４図、第５図は本考案を共鳴型の
光音響セルに適用した実施例を示す構成図、第６
図は本考案の光音響セルを用いた測定システム例
を示すブロツク図、第７図は従来例である。
１１……光学窓、１３……マイクロフオン、１
４……試料室、１５……マイクロフオン室、２０
……光音響セル、２１……可動試料ホルダー、２
２……Ｏリング。
FIG. 1 is a block diagram showing an embodiment of the photoacoustic cell of the present invention, FIG. 2 is a block diagram for explaining the operation of the device shown in FIG. 1, and FIG. 3 is a modified example of the device shown in FIG. 4 and 5 are block diagrams showing an embodiment in which the present invention is applied to a resonant photoacoustic cell.
The figure is a block diagram showing an example of a measurement system using the photoacoustic cell of the present invention, and FIG. 7 is a conventional example. 11...Optical window, 13...Microphone, 1
4...Sample room, 15...Microphone room, 20
...Photoacoustic cell, 21...Movable sample holder, 2
2...O-ring.
Claims (1)
その周囲の圧力変動を音として検出するマイクロ
フオンを用いた光音響セルにおいて、試料室又は
マイクロフオン室の壁面の一部又は全部を可動に
し、前記試料室又はマイクロフオン室の容積を可
変できる構成としたことを特徴とする光音響セル
。 In a photoacoustic cell using a microphone that detects the pressure fluctuations of an object and its surroundings as sound when the object is irradiated with intermittent light, part or all of the wall of the sample chamber or the microphone chamber is movable, A photoacoustic cell characterized in that the volume of the sample chamber or the microphone chamber can be varied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5381790U JPH0742129Y2 (en) | 1990-05-23 | 1990-05-23 | Photoacoustic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5381790U JPH0742129Y2 (en) | 1990-05-23 | 1990-05-23 | Photoacoustic cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0415053U true JPH0415053U (en) | 1992-02-06 |
| JPH0742129Y2 JPH0742129Y2 (en) | 1995-09-27 |
Family
ID=31575329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5381790U Expired - Lifetime JPH0742129Y2 (en) | 1990-05-23 | 1990-05-23 | Photoacoustic cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0742129Y2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5473830U (en) * | 1977-10-31 | 1979-05-25 | ||
| JPS5494424U (en) * | 1977-12-09 | 1979-07-04 | ||
| JP2009204424A (en) * | 2008-02-27 | 2009-09-10 | Institute Of National Colleges Of Technology Japan | Photoacoustic cell and apparatus using the same |
| JP2018171178A (en) * | 2017-03-31 | 2018-11-08 | 日本電信電話株式会社 | Constituent concentration measuring device and method |
| CN109668837A (en) * | 2019-02-28 | 2019-04-23 | 中南民族大学 | Apple internal quality detection system and its method based on optoacoustic spectroscopy |
| CN115452728A (en) * | 2022-09-30 | 2022-12-09 | 广东电网有限责任公司 | Photoacoustic Spectroscopy Gas Detection Device and Method |
-
1990
- 1990-05-23 JP JP5381790U patent/JPH0742129Y2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5473830U (en) * | 1977-10-31 | 1979-05-25 | ||
| JPS5494424U (en) * | 1977-12-09 | 1979-07-04 | ||
| JP2009204424A (en) * | 2008-02-27 | 2009-09-10 | Institute Of National Colleges Of Technology Japan | Photoacoustic cell and apparatus using the same |
| JP2018171178A (en) * | 2017-03-31 | 2018-11-08 | 日本電信電話株式会社 | Constituent concentration measuring device and method |
| CN109668837A (en) * | 2019-02-28 | 2019-04-23 | 中南民族大学 | Apple internal quality detection system and its method based on optoacoustic spectroscopy |
| CN109668837B (en) * | 2019-02-28 | 2024-01-12 | 中南民族大学 | Apple internal quality detection system and method based on photoacoustic spectroscopy |
| CN115452728A (en) * | 2022-09-30 | 2022-12-09 | 广东电网有限责任公司 | Photoacoustic Spectroscopy Gas Detection Device and Method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0742129Y2 (en) | 1995-09-27 |
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