JPH0250654U - - Google Patents

Info

Publication number
JPH0250654U
JPH0250654U JP10112389U JP10112389U JPH0250654U JP H0250654 U JPH0250654 U JP H0250654U JP 10112389 U JP10112389 U JP 10112389U JP 10112389 U JP10112389 U JP 10112389U JP H0250654 U JPH0250654 U JP H0250654U
Authority
JP
Japan
Prior art keywords
sensor unit
unit row
sensor
row
underground
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
Application number
JP10112389U
Other languages
Japanese (ja)
Other versions
JPH0434439Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989101123U priority Critical patent/JPH0434439Y2/ja
Publication of JPH0250654U publication Critical patent/JPH0250654U/ja
Application granted granted Critical
Publication of JPH0434439Y2 publication Critical patent/JPH0434439Y2/ja
Expired legal-status Critical Current

Links

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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Examining Or Testing Airtightness (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例をなすガス漏れ検
知装置の概要を示すブロツク図、第２図ａ，ｂは
センサユニツト列を示す図および磁気センサ部分
の図、第３図ａ，ｂは磁気センサの出力信号を示
すタイムチヤート、第４図は表示画面の表示例を
示す図、第５図は操作部および表示器を示す図、
第６図ａ，ｂは自動吸引式のセンサユニツトを示
す図で、同図ａは正面図、同図ｂは側面図である
。 図中、１はセンサユニツト列、２は自動吸引式
のセンサユニツト、３は吸引ポンプ、４はセンサ
スキヤンユニツト、５はタイミングコントロール
部、６は中央制御部、７は走査部、８は表示器、
９は磁気センサである。 Fig. 1 is a block diagram showing an outline of a gas leak detection device which is an embodiment of this invention, Figs. A time chart showing the output signal of the magnetic sensor, FIG. 4 is a diagram showing an example of the display screen, FIG. 5 is a diagram showing the operation unit and the display,
FIGS. 6a and 6b are views showing an automatic suction type sensor unit, with FIG. 6a being a front view and FIG. 6b being a side view. In the figure, 1 is a sensor unit row, 2 is an automatic suction type sensor unit, 3 is a suction pump, 4 is a sensor scan unit, 5 is a timing control section, 6 is a central control section, 7 is a scanning section, and 8 is a display unit. ,
9 is a magnetic sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 地中からのガス漏れを探知する検知素子を有す
るセンサユニツトを複数個直線状に配置したセン
サユニツト列と、このセンサユニツト列を探知す
べき路面上にその長さ方向に対し直角方向に移動
させる手段と、前記センサユニツト列の各センサ
ユニツトの出力を表示面上に濃度に応じた諧調で
、かつ前記移動に対応させて二次元的に表示させ
る表示器とからなることを特徴とするガス漏れ探
地装置。 A sensor unit row in which a plurality of sensor units having detection elements for detecting gas leaks from underground are arranged in a straight line, and this sensor unit row is moved over the road surface to be detected in a direction perpendicular to its length direction. and a display device for displaying the output of each sensor unit in the sensor unit row on a display surface in a gradation corresponding to the concentration and in a two-dimensional manner corresponding to the movement. exploration equipment.
JP1989101123U 1989-08-31 1989-08-31 Expired JPH0434439Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989101123U JPH0434439Y2 (en) 1989-08-31 1989-08-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989101123U JPH0434439Y2 (en) 1989-08-31 1989-08-31

Publications (2)

Publication Number Publication Date
JPH0250654U true JPH0250654U (en) 1990-04-09
JPH0434439Y2 JPH0434439Y2 (en) 1992-08-17

Family

ID=31329829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989101123U Expired JPH0434439Y2 (en) 1989-08-31 1989-08-31

Country Status (1)

Country Link
JP (1) JPH0434439Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04245110A (en) * 1991-01-30 1992-09-01 Sumitomo Electric Ind Ltd Self-fusible insulative electric wire and coil using the same
JPH07167733A (en) * 1993-12-14 1995-07-04 Nissho Kogyo Kk Method for inspecting cracked state of underground buried pipe
JP2009216458A (en) * 2008-03-07 2009-09-24 Toppan Printing Co Ltd Gas concentration distribution measuring instrument
JP2018185125A (en) * 2017-04-27 2018-11-22 三菱電機ビルテクノサービス株式会社 Gas leakage detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416357A (en) * 1960-05-31 1968-12-17 Rayflex Exploration Company Gas leak surveying
JPS52147289A (en) * 1976-06-02 1977-12-07 Hitachi Ltd Abnormality detection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416357A (en) * 1960-05-31 1968-12-17 Rayflex Exploration Company Gas leak surveying
JPS52147289A (en) * 1976-06-02 1977-12-07 Hitachi Ltd Abnormality detection system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04245110A (en) * 1991-01-30 1992-09-01 Sumitomo Electric Ind Ltd Self-fusible insulative electric wire and coil using the same
JPH07167733A (en) * 1993-12-14 1995-07-04 Nissho Kogyo Kk Method for inspecting cracked state of underground buried pipe
JP2009216458A (en) * 2008-03-07 2009-09-24 Toppan Printing Co Ltd Gas concentration distribution measuring instrument
JP2018185125A (en) * 2017-04-27 2018-11-22 三菱電機ビルテクノサービス株式会社 Gas leakage detector

Also Published As

Publication number Publication date
JPH0434439Y2 (en) 1992-08-17

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