JPS635443U - - Google Patents
Info
- Publication number
- JPS635443U JPS635443U JP9931886U JP9931886U JPS635443U JP S635443 U JPS635443 U JP S635443U JP 9931886 U JP9931886 U JP 9931886U JP 9931886 U JP9931886 U JP 9931886U JP S635443 U JPS635443 U JP S635443U
- Authority
- JP
- Japan
- Prior art keywords
- underground tank
- recording
- inspection device
- pressure gauge
- leakage
- 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
- 238000007689 inspection Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 1
- 229910002092 carbon dioxide Inorganic materials 0.000 claims 1
- 239000001569 carbon dioxide Substances 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Description
第１図はこの考案を実施するための装置の一例
を示す図解図である。第２Ａ図および第２Ｂ図は
接続管が地下タンクの通孔と接続された状態を示
す図解図であり、第２Ａ図は通気孔との接続状態
を示し、第２Ｂ図は注入孔との接続状態を示す。
第３Ａ図および第３Ｂ図はこの実施例の排気口金
具を示し、第３Ａ図はその断面図であり、第３Ｂ
図はその裏面を示す平面図である。第４Ａ図およ
び第４Ｂ図は他の排気口金具を示し、第４Ａ図は
その断面図であり、第４Ｂ図はその裏面を示す平
面図である。
図において、１０は地下タンクの漏洩検査装置
、１２はエゼクタ、２４は地下タンク、３４はＵ
字形差圧計、３６はレコーダ、３８は小型ビデオ
カメラ装置を示す。
FIG. 1 is an illustrative diagram showing an example of a device for carrying out this invention. Figures 2A and 2B are illustrative diagrams showing the state in which the connecting pipe is connected to the through hole of the underground tank, Figure 2A shows the state in which it is connected to the ventilation hole, and Figure 2B is the connection to the injection hole. Indicates the condition.
3A and 3B show the exhaust port fitting of this embodiment, FIG. 3A is a sectional view thereof, and FIG.
The figure is a plan view showing the back side thereof. 4A and 4B show other exhaust port fittings, FIG. 4A is a sectional view thereof, and FIG. 4B is a plan view showing the back side thereof. In the figure, 10 is an underground tank leak inspection device, 12 is an ejector, 24 is an underground tank, and 34 is a U
36 is a recorder, and 38 is a small video camera device.
Claims (1)
る検査装置であつて、 不活性気体を流入する手段、 前記不活性気体を流入させることによつて前記
地下タンク内を減圧するエゼクタ、 前記エゼクタにその一方端が接続されかつその
他方端が前記地下タンクの通孔に接続され、しか
も、その一部に注出部を有する接続管、 前記接続管の注出部に接続されかつ減圧された
前記地下タンク内の気圧を経時的に計測する第１
の圧力計、 前記第１の圧力計の値を記録する自記記録手段
、 前記接続管の注出部に接続されかつ減圧された
前記地下タンク内の気圧を経時的に計測する第２
の圧力計、および 少なくとも前記第２の圧力計の表示部を画像と
して記録する画像記録手段を含む、地下タンクの
漏洩検査装置。 ２ 前記地下タンク内に配置され、気圧を計測中
の前記地下タンク内の音を録音するための集音器
および前記集音器で集音した音を録音する録音装
置を含む、実用新案登録請求の範囲第１項記載の
地下タンクの漏洩検査装置。 ３ 前記画像記録手段はビデオカメラ装置を含む
、実用新案登録請求の範囲第１項または第２項記
載の地下タンクの漏洩検査装置。 ４ 前記画像記録手段は写真機を含む、実用新案
登録請求の範囲第１項ないし第３項のいずれかに
記載の地下タンクの漏洩検査装置。 ５ 前記不活性気体は窒素ガスを含む、実用新案
登録請求の範囲第１項ないし第４項のいずれかに
記載の地下タンクの漏洩検査装置。 ６ 前記不活性気体は二酸化炭素を含む、実用新
案登録請求の範囲第１項ないし第５項のいずれか
に記載の地下タンクの漏洩検査装置。[Claims for Utility Model Registration] 1. An inspection device for inspecting the presence or absence of leakage by reducing the pressure inside an underground tank, comprising means for introducing an inert gas into the underground tank by introducing the inert gas into the underground tank. an ejector for reducing the pressure inside; a connecting pipe having one end connected to the ejector and the other end connected to a through hole of the underground tank, and having a spouting part in a part thereof; spouting the connecting pipe; A first step for measuring the atmospheric pressure in the depressurized underground tank over time.
a pressure gauge, a self-recording means for recording the value of the first pressure gauge, and a second pressure gauge for measuring the atmospheric pressure in the depressurized underground tank connected to the outlet part of the connecting pipe over time.
A leakage inspection device for an underground tank, comprising: a pressure gauge; and an image recording means for recording at least a display section of the second pressure gauge as an image. 2. A request for utility model registration that includes a sound collector placed in the underground tank and for recording the sound inside the underground tank while measuring the atmospheric pressure, and a recording device for recording the sound collected by the sound collector. Leakage testing equipment for underground tanks as described in item 1. 3. The underground tank leakage inspection device according to claim 1 or 2, wherein the image recording means includes a video camera device. 4. The underground tank leakage inspection device according to any one of claims 1 to 3, wherein the image recording means includes a camera. 5. The underground tank leakage testing device according to any one of claims 1 to 4, wherein the inert gas includes nitrogen gas. 6. The underground tank leakage inspection device according to any one of claims 1 to 5, wherein the inert gas includes carbon dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931886U JPH034917Y2 (en) | 1986-06-27 | 1986-06-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9931886U JPH034917Y2 (en) | 1986-06-27 | 1986-06-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS635443U true JPS635443U (en) | 1988-01-14 |
| JPH034917Y2 JPH034917Y2 (en) | 1991-02-07 |
Family
ID=30968085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9931886U Expired JPH034917Y2 (en) | 1986-06-27 | 1986-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034917Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009068923A (en) * | 2007-09-11 | 2009-04-02 | Showa Kiki Kogyo Co Ltd | Liquid storage tank leak inspection method and leak inspection system |
-
1986
- 1986-06-27 JP JP9931886U patent/JPH034917Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009068923A (en) * | 2007-09-11 | 2009-04-02 | Showa Kiki Kogyo Co Ltd | Liquid storage tank leak inspection method and leak inspection system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034917Y2 (en) | 1991-02-07 |
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