JPH038726U - - Google Patents
Info
- Publication number
- JPH038726U JPH038726U JP6807589U JP6807589U JPH038726U JP H038726 U JPH038726 U JP H038726U JP 6807589 U JP6807589 U JP 6807589U JP 6807589 U JP6807589 U JP 6807589U JP H038726 U JPH038726 U JP H038726U
- Authority
- JP
- Japan
- Prior art keywords
- tank
- volume
- correction
- main tank
- main
- 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
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Description
第１図は本考案の要部拡大図、第２図は先行技
術の原理説明図、第３図は第２図において体積変
化手段の駆動周波数とタンク内の収納物体積とを
変化させたときの伝達関数の係数Ｋ２の変化状態
を示す特性図、第４図は先行技術を説明するため
の原理説明図、第５図は第４図において体積変化
手段の駆動周波数とメインタンク内の収納物体積
とを変化させたときの伝達関数の係数Ｋ１の変化
状態を示す特性図、第６図は先行技術の具体的シ
ステム説明図、第７図は第６図の要部拡大図であ
る。
３０……メインタンク、３１……補正用タンク
、３２……連結パイプ、３３……スピーカ（体積
変化手段）、３４ａ……第２のマイクロホン、３
４ｂ……第１のマイクロホン、３５……通気孔、
３７ａ，３７ｂ……バンドパスフイルタ、３９…
…振幅検出器、４０……割算器、４１……引算器
、４７……パイプ、４７ａ……オリフイス、４８
……防波板、５０……空気流通孔。
Fig. 1 is an enlarged view of the main part of the present invention, Fig. 2 is an explanatory diagram of the principle of the prior art, and Fig. 3 is when the driving frequency of the volume changing means and the volume of the contents in the tank are changed in Fig. 2. Fig. 4 is a principle explanatory diagram for explaining the prior art, and Fig. 5 shows the driving frequency of the volume changing means and the storage in the main tank in Fig. 4. A characteristic diagram showing how the coefficient K1 of the transfer function changes when the object volume is changed, FIG. 6 is an explanatory diagram of a specific system of the prior art, and FIG. 7 is an enlarged view of the main part of FIG. 6. . 30... Main tank, 31... Correction tank, 32... Connection pipe, 33... Speaker (volume change means), 34a... Second microphone, 3
4b...first microphone, 35...ventilation hole,
37a, 37b...Band pass filter, 39...
...amplitude detector, 40...divider, 41...subtractor, 47...pipe, 47a...orifice, 48
...Breaker plate, 50...Air circulation hole.
Claims (1)
クとの間に、それらを隔設して体積変化手段を設
け、この体積変化手段の駆動に伴うそれぞれのタ
ンク内の圧力変化に基づいて前記被測定物の体積
を算出する体積測定装置において、前記補正用タ
ンクの底面のうち最も低位に位置する部分に、前
記メインタンク内に連通する空気流通孔を設けた
ことを特徴とする体積測定装置。 A volume changing means is provided between the main tank and the correction tank that house the object to be measured, and the correction tank is separated from the main tank and the correction tank. A volume measuring device for calculating the volume of an object, characterized in that an air circulation hole communicating with the main tank is provided in the lowest portion of the bottom surface of the correction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6807589U JPH0635140Y2 (en) | 1989-06-13 | 1989-06-13 | Volume measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6807589U JPH0635140Y2 (en) | 1989-06-13 | 1989-06-13 | Volume measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH038726U true JPH038726U (en) | 1991-01-28 |
| JPH0635140Y2 JPH0635140Y2 (en) | 1994-09-14 |
Family
ID=31602206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6807589U Expired - Lifetime JPH0635140Y2 (en) | 1989-06-13 | 1989-06-13 | Volume measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635140Y2 (en) |
-
1989
- 1989-06-13 JP JP6807589U patent/JPH0635140Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635140Y2 (en) | 1994-09-14 |
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