JPH0187232U - - Google Patents
Info
- Publication number
- JPH0187232U JPH0187232U JP18297487U JP18297487U JPH0187232U JP H0187232 U JPH0187232 U JP H0187232U JP 18297487 U JP18297487 U JP 18297487U JP 18297487 U JP18297487 U JP 18297487U JP H0187232 U JPH0187232 U JP H0187232U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- inspection device
- collection port
- leakage inspection
- mobile
- 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 7
- 238000001514 detection method Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
Description
第１図はこの考案の一実施例を示す一部破断側
面図、第２図は、第１図の板体の形状を示す部分
側断面図、第３図ａ，ｂはこの考案に用いる熱線
型半導体ガスセンサの断面図および一部を破断し
て示した斜視図、第４図はこの考案の実施に用い
る回路の一例を示すブロツク図、第５図はこの考
案の移動式ガス漏洩検査装置のブロツク図、第６
図はＦＤＩ方式の検出特性図、第７図は飽和炭化
水素選択性の熱線型半導体ガスセンサの検出特性
図、第８図は従来の移動式ガス漏洩検査装置の一
例を示す側面図、第９図は、第８図の捕集部の形
状を示す側断面図である。
図中、１０は移動式ガス漏洩検査装置、１１は
基台、１２，１３は車輪、１４はガス捕集口、１
５は開口部、１６は板体、１６ａは前端部、１６
ｂは後端部、１７，１８は彎曲部、１９，２１は
ガス吸引管、２０はフイルタ、２２はガス検知装
置、２４は指示部、２５はハンドル、２６は把持
部、ＧＬは路面である。
Figure 1 is a partially cutaway side view showing an embodiment of this invention, Figure 2 is a partial side sectional view showing the shape of the plate shown in Figure 1, and Figures 3a and b are hot wires used in this invention. 4 is a block diagram showing an example of a circuit used to implement this invention, and FIG. 5 is a diagram of a mobile gas leakage inspection device of this invention. Block diagram, No. 6
The figure is a detection characteristic diagram of the FDI method, Figure 7 is a detection characteristic diagram of a hot wire type semiconductor gas sensor with saturated hydrocarbon selectivity, Figure 8 is a side view showing an example of a conventional mobile gas leak inspection device, and Figure 9 FIG. 8 is a side cross-sectional view showing the shape of the collection section in FIG. 8; In the figure, 10 is a mobile gas leak inspection device, 11 is a base, 12 and 13 are wheels, 14 is a gas collection port, 1
5 is an opening, 16 is a plate, 16a is a front end, 16
b is the rear end, 17 and 18 are the curved parts, 19 and 21 are the gas suction pipes, 20 is the filter, 22 is the gas detection device, 24 is the indicator, 25 is the handle, 26 is the grip, and GL is the road surface. .
Claims (1)
を路面上を摺動させガス捕集口から前記路面上に
洩れたガスを吸引し、前記基台上に設けたガス検
知装置により前記ガスを検出する移動式ガス漏洩
検査装置において、前記ガス捕集口を下面が開口
した本体と、前記開口の周縁につづく板体とで構
成し、さらに、この板体の前記基台の進行方向に
対する前端および後端を上方に彎曲させたことを
特徴とする移動式ガス漏洩検査装置。 (2) ガス検知装置は、熱線型半導体ガスセンサ
を用いて構成されたことを特徴とする実用新案登
録請求の範囲第(1)項記載の移動式ガス漏洩検査
装置。 (3) ガス補集口は路面に接する部分に耐摩耗性
の材料を埋込み固着したことを特徴とする実用新
案登録請求の範囲第(1)項記載の移動式ガス漏洩
検査装置。[Claims for Utility Model Registration] (1) A gas collection port attached to a base with wheels is slid on the road surface to suck out gas leaking onto the road surface from the gas collection port, and the base A mobile gas leakage inspection device that detects the gas using a gas detection device provided above, which comprises a main body with an open bottom surface for the gas collection port, and a plate continuing to the periphery of the opening; A mobile gas leakage inspection device characterized in that a front end and a rear end of the plate body with respect to the traveling direction of the base are curved upward. (2) The mobile gas leakage inspection device according to claim 1, wherein the gas detection device is constructed using a hot-wire type semiconductor gas sensor. (3) The mobile gas leakage inspection device according to claim (1) of the utility model registration, characterized in that the gas collection port has a wear-resistant material embedded and fixed in the portion that comes into contact with the road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182974U JPH0454430Y2 (en) | 1987-12-02 | 1987-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987182974U JPH0454430Y2 (en) | 1987-12-02 | 1987-12-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0187232U true JPH0187232U (en) | 1989-06-08 |
| JPH0454430Y2 JPH0454430Y2 (en) | 1992-12-21 |
Family
ID=31474412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987182974U Expired JPH0454430Y2 (en) | 1987-12-02 | 1987-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454430Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5122548U (en) * | 1974-08-08 | 1976-02-19 | ||
| JPS5513719U (en) * | 1978-07-12 | 1980-01-29 | ||
| JPS55177363U (en) * | 1979-06-06 | 1980-12-19 |
-
1987
- 1987-12-02 JP JP1987182974U patent/JPH0454430Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5122548U (en) * | 1974-08-08 | 1976-02-19 | ||
| JPS5513719U (en) * | 1978-07-12 | 1980-01-29 | ||
| JPS55177363U (en) * | 1979-06-06 | 1980-12-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0454430Y2 (en) | 1992-12-21 |
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