JPH0961167A - Search method of water pipe line and its investigation apparatus - Google Patents

Search method of water pipe line and its investigation apparatus

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Publication number
JPH0961167A
JPH0961167A JP21704395A JP21704395A JPH0961167A JP H0961167 A JPH0961167 A JP H0961167A JP 21704395 A JP21704395 A JP 21704395A JP 21704395 A JP21704395 A JP 21704395A JP H0961167 A JPH0961167 A JP H0961167A
Authority
JP
Japan
Prior art keywords
receiver
buried
pipe line
measuring means
recording
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.)
Pending
Application number
JP21704395A
Other languages
Japanese (ja)
Inventor
Yasushi Kurokawa
泰 黒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toda Corp
Original Assignee
Toda Corp
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 by Toda Corp filed Critical Toda Corp
Priority to JP21704395A priority Critical patent/JPH0961167A/en
Publication of JPH0961167A publication Critical patent/JPH0961167A/en
Pending legal-status Critical Current

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Abstract

PROBLEM TO BE SOLVED: To automatically record the investigated result of a buried pipe line on a sheet of recording paper and to record the result as data for a personal computer regarding a search method in which the buried state of a water pipe line buried under the ground is investigated. SOLUTION: An investigation apparatus for a water pipe line is formed so as to be composed of a transmitter unit which is inserted into a buried pipe line, of a receiver 10 which measures an alternating magnetic field by the transmitter unit and which investigates the position of the buried pipe line on the ground, of measuring means 14, 15 which measure the position of the transmitter 10, of a recording means which records the position of the buried pipe line on the basis of data from the measuring means 14, 15 and of a control means which controls the measuring means and the recording means. The position of the buried pipe line is investigated by the receiver 10 on the ground, and the position of the receiver 10 is measured by the measuring means 14, 15 so as to be recorded automatically by the recording means.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【発明の属する技術分野】本発明は、地下に埋設された
給水管路の、敷設の様子を探る探索方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of searching for a condition of laying a water supply pipe buried underground.

【０００２】[0002]

【従来の技術】従来、給水管等の埋設管の路を探索する
方法として、例えば、磁界法や電磁波法等が知られてお
り、更に、磁性材製金属製管路と非金属製管路とを同時
に探査することができるようにするため、埋設管路内へ
挿入した発振ユニットから高周波励磁電流により交番磁
界を発生させてその交番磁界の大きさを地上で測定し、
その測定値から埋設管路の位置を探索するための発信器
を形成する。2. Description of the Related Art Conventionally, magnetic field methods, electromagnetic wave methods, etc. have been known as methods for searching the paths of buried pipes such as water supply pipes. Furthermore, magnetic material metal pipes and non-metal pipe pipes are known. In order to be able to simultaneously search for and, an alternating magnetic field is generated by the high-frequency exciting current from the oscillation unit inserted in the buried pipeline, and the magnitude of the alternating magnetic field is measured on the ground.
The transmitter for forming the position of the buried pipeline is formed from the measured value.

【０００３】そして、前記発信器の収納部内に電池ユニ
ットと、該電池ユニットにより作動される発信器ユニッ
トと、発信器ユニットから高周波励磁電流が供給される
コイルユニットとを収納すると共に、前記収納部に管路
内壁面と接触しつつ移動する金属製ガイド部を固定し、
前記発信器ユニットの一方の出力端子と前記ガイド部と
を電気的に接続すると共に前記発信器ユニットの一方の
出力端子と前記ガイド部とを電気的に接続すると共に、
前記発信器ユニットの他方の端子へ先端部が接地される
アースラインの基端部を接続し、当該アースラインの先
端を埋設管路の外方へ引き出すようにした探査用発信器
が知られている（特公平７−２１５４０号）。A battery unit, a transmitter unit operated by the battery unit, and a coil unit to which a high-frequency exciting current is supplied from the transmitter unit are housed in the housing unit of the transmitter, and the housing unit is also housed. Fix the metal guide part that moves while contacting the inner wall surface of the pipe,
While electrically connecting one output terminal of the oscillator unit and the guide portion, and electrically connecting one output terminal of the oscillator unit and the guide portion,
There is known an exploration oscillator in which the base end of an earth line whose tip is grounded is connected to the other terminal of the oscillator unit, and the tip of the earth line is pulled out to the outside of the buried pipeline. (Japanese Patent Publication No. 7-21540).

【０００４】[0004]

【発明が解決しようとする課題】埋設管路の探査が上記
のような探査用発信器で行われるが、その結果を自動的
に記録紙に記録したり、パーソナルコンピュータのデー
タとして記録することができれば更に便宜である。The exploration of the buried pipeline is performed by the exploration transmitter as described above, but the result may be automatically recorded on a recording paper or recorded as data of a personal computer. It would be more convenient if possible.

【０００５】このように、従来の埋設管路の探査方法
は、探査結果の記録方法において解決すべき課題を有し
ていた。As described above, the conventional method for exploring the buried pipeline has a problem to be solved in the method of recording the exploration result.

【０００６】[0006]

【課題を解決するための手段】本発明に係る給水管路の
探索方法の上記課題を解決するための要旨は、埋設管路
に挿入される発信器ユニットと、該発信器ユニットによ
る交番磁界を測定して埋設管路の位置を地上で探査する
受信器と、該受信器の位置を測定する測定手段と、該測
定手段からのデータを基にして埋設管路の位置を記録す
る記録手段と、前記測定手段と記録手段とを制御する制
御手段とからなる給水管路の探査装置を形成して、埋設
管路の位置を地上の受信器で探査すると共に、該受信器
の位置を測定手段で測定して記録手段で自動的に記録す
ることにある。The gist of the method for searching a water supply pipe according to the present invention for solving the above-mentioned problems is to provide a transmitter unit to be inserted in a buried pipe and an alternating magnetic field generated by the transmitter unit. A receiver for measuring the position of the buried pipeline on the ground, a measuring means for measuring the position of the receiver, and a recording means for recording the position of the buried pipeline based on the data from the measuring means. Forming a water supply line exploration device comprising control means for controlling the measuring means and the recording means, for exploring the position of the buried pipeline with a receiver on the ground, and measuring the position of the receiver. It is to measure by and record automatically by the recording means.

【０００７】また、その探索装置の要旨は、埋設管路に
挿入される発信器ユニットと、該発信器ユニットによる
交番磁界を測定して埋設管路の位置を地上で探査する受
信器と、該受信器の位置を測定する測定手段と、該測定
手段からのデータを基にして埋設管路の位置を記録する
記録手段と、前記測定手段と記録手段とを制御する制御
手段とからなるものである。[0007] Further, the gist of the searching device is that a transmitter unit inserted in the buried pipeline, a receiver for measuring the alternating magnetic field by the transmitter unit to search the position of the buried pipeline on the ground, It comprises a measuring means for measuring the position of the receiver, a recording means for recording the position of the buried pipeline based on the data from the measuring means, and a control means for controlling the measuring means and the recording means. is there.

【０００８】本発明に係る給水管路の探索方法によれ
ば、受信器によって探索された埋設管路の位置を測定手
段で測定しながら、記録手段で記録することができるの
で、記録紙やパーソナルコンピュータに埋設管路の位置
データとして取り込むことができ、その後のデータ処置
が容易となる。According to the method for searching a water supply conduit according to the present invention, the position of the buried conduit searched for by the receiver can be recorded by the recording means while being measured by the measuring means. The data can be taken into the computer as position data of the buried pipeline, and subsequent data processing becomes easy.

【０００９】[0009]

【発明の実施の形態】次に、本発明に係る実施形態につ
いて図面を参照して詳細に説明する。本発明の実施例
は、図１に示すように、水道管やガス管若しくは電気機
器用ケーブルの管等の埋設管路に挿入される発信器ユニ
ット１を形成する。Next, an embodiment according to the present invention will be described in detail with reference to the drawings. The embodiment of the present invention, as shown in FIG. 1, forms a transmitter unit 1 to be inserted into a buried pipeline such as a water pipe, a gas pipe, or a pipe of a cable for electric equipment.

【００１０】前記発信器ユニット１は、筒状体の内部に
自走用の駆動モータ２と、電源３と、発信器４と、コイ
ルユニット５と、照明灯付カメラ（例えば、ＣＣＤカメ
ラ）６とが夫々電気的に接続されて内装されている。The transmitter unit 1 includes a self-propelled drive motor 2, a power source 3, a transmitter 4, a coil unit 5, and a camera (for example, a CCD camera) 6 with an illumination lamp inside a cylindrical body. And are electrically connected to each other.

【００１１】また、前記カメラ６からはケーブル６ａが
筒状体から引き出され、走行輪７とともに、走行安定の
ために一定の付勢力（例えば、コイルバネによる付勢
力）で管路の半径方向へ移動自在に付勢され、埋設管８
の内壁面に当接されている安定輪９が設けられている。Further, the cable 6a is pulled out from the cylindrical body from the camera 6, and is moved together with the traveling wheels 7 in the radial direction of the pipe line with a constant urging force (for example, an urging force of a coil spring) for stable traveling. Freely biased and buried pipe 8
A stabilizer wheel 9 is provided which is in contact with the inner wall surface of the.

【００１２】次に、地上に於ける受信器１０は、図２に
示すように、本体１０ａがキャスタ１１で前後左右に移
動自在にされ、本１０ａ内部に受信コイル１２が設けら
れ、本体の上部に測定手段としてのレーザ発信器１３が
立設されている。Next, in the receiver 10 on the ground, as shown in FIG. 2, the main body 10a is made movable by the casters 11 to the front, rear, right and left, the receiving coil 12 is provided inside the book 10a, and the upper portion of the main body is provided. A laser oscillator 13 as a measuring means is provided upright.

【００１３】なお、前記受信器１０のレーザ発信器１３
の測定データは、制御手段としてのパーソナルコンピュ
ータ（以下、パソコン）へと接続されている。このパソ
コンのＣＰＵにて受信器１０の位置を予め組み込まれた
プログラムに従って割り出し、そのデータを基にしてデ
ィスプレイ上に描画し、また、記録手段としてのプリン
ターを介して記録紙に記録する様になされている。The laser transmitter 13 of the receiver 10
The measurement data of is connected to a personal computer (hereinafter, personal computer) as a control means. The CPU of the personal computer determines the position of the receiver 10 according to a program incorporated in advance, draws it on the display based on the data, and records it on a recording sheet through a printer as a recording means. ing.

【００１４】また、図３に示すように、地上に於いては
予め所定の位置に、受信器１０に対する距離及び角度を
割り出すためのレーザ反射部１４，１５が設けられてい
る。前記受信器１０のレーザ発信・受信器１３と前記レ
ーザ反射部１４，１５とで測定手段を構成するものであ
る。尚、この測定手段の他の構成として、前記受信器１
０にレーザ反射部を設けて、他の２カ所にレーザ発信・
受信器を設けるようにしても良いものである。Further, as shown in FIG. 3, laser reflectors 14 and 15 for determining a distance and an angle with respect to the receiver 10 are provided at predetermined positions on the ground in advance. The laser transmitter / receiver 13 of the receiver 10 and the laser reflectors 14 and 15 constitute a measuring means. As another configuration of this measuring means, the receiver 1
A laser reflector is installed at 0 to emit laser light at the other two locations.
A receiver may be provided.

【００１５】以上のようにして、発信器ユニット１と受
信器１０及びレーザ反射部１４，１５と測定手段等で構
成される探索装置を使用して、本発明の給水管路の探索
方法を説明する。As described above, the method of searching the water supply line according to the present invention will be described using the searching device composed of the transmitter unit 1, the receiver 10, the laser reflectors 14 and 15 and the measuring means. To do.

【００１６】まず、地中に水道管等の埋設管８があると
思われる所に、図３に示すように、レーザ反射部１４，
１５を立設する。この両者の位置は予め決められてお
り、その距離Ｌ1は既知のものとする。First, as shown in FIG. 3, the laser reflecting portion 14, where there is a buried pipe 8 such as a water pipe in the ground,
15 is erected. The positions of these two are predetermined and the distance L1 is known.

【００１７】次に、前記埋設管８の端部に到る孔を地上
から穿設する。そして、埋設管８に発信器ユニット１を
挿入し、照明灯付カメラ６を作動させて埋設管８の内部
を照らしケーブル６ａを介しモニターで管内部の画像を
確認する。Next, a hole reaching the end of the buried pipe 8 is drilled from the ground. Then, the transmitter unit 1 is inserted into the embedded pipe 8, the camera with illumination lamp 6 is operated to illuminate the interior of the embedded pipe 8, and the image inside the pipe is confirmed on the monitor via the cable 6a.

【００１８】そして、制御手段のパソコンからの指令
で、駆動モータ２を駆動させて発信器ユニット１を走行
させ、また、同時に電源３から発信器４に通電してコイ
ルユニット５に高周波励磁電流を流し、該コイルユニッ
ト５から交番磁界を発生させる。Then, in response to a command from the personal computer of the control means, the drive motor 2 is driven to drive the oscillator unit 1, and at the same time, the oscillator 4 is energized from the power source 3 to apply a high-frequency exciting current to the coil unit 5. Then, an alternating magnetic field is generated from the coil unit 5.

【００１９】地上に於いては、受信器１０を前記埋設管
８の端部から出発させて受信コイル１２で受信信号が最
大値を示すように移動させる。On the ground, the receiver 10 is started from the end of the buried pipe 8 and moved by the receiving coil 12 so that the received signal shows the maximum value.

【００２０】そして、受信器１０に立設させたレーザ発
信器・受信器１３からレーザを発信させて、レーザ反射
部１４，１５からの反射時間により各距離Ｌ2，Ｌ3を測
定する。また、レーザ反射部１４，１５間のＬ1を基準
として各角度θ2,3を求めて、受信器１０の基準位置に
対する位置をパソコンで算出する。Then, a laser is emitted from the laser transmitter / receiver 13 installed upright on the receiver 10 and each distance L2, L3 is measured by the reflection time from the laser reflecting portions 14, 15. Further, each angle θ2,3 is obtained with reference to L1 between the laser reflecting portions 14 and 15, and the position of the receiver 10 with respect to the reference position is calculated by the personal computer.

【００２１】即ち、各距離Ｌ1,2,3が判ることで、ｃｏ
ｓθ2＝｛（Ｌ1）2＋（Ｌ3）2−（Ｌ2）2｝／２Ｌ1・Ｌ
3からθ2が求められ、同様にしてθ3も求められる。よ
って、θ2，θ3とＬ2，Ｌ3とによりレーザ反射部１４若
しくはレーザ反射部１５を基準位置として、受信器１０
の位置を割り出すものである。That is, by knowing each distance L1,2,3, co
sθ2 = {(L1) 2+ (L3) 2- (L2) 2} / 2L1 ・ L
Θ2 is obtained from 3, and θ3 is similarly obtained. Therefore, the receiver 10 with the laser reflector 14 or the laser reflector 15 as the reference position is determined by θ2, θ3 and L2, L3.
To determine the position of.

【００２２】そして、受信器１０の位置を割り出して得
られた位置データを、一定時間あるいは一定距離ごと
に、例えば５秒毎にピックアップしてディスプレイ上に
表示するようにし、また、プリンターに出力する様にす
るものである。Then, the position data obtained by calculating the position of the receiver 10 is picked up and displayed on the display at a constant time or at a constant distance, for example, every 5 seconds, and is output to a printer. To do so.

【００２３】発信器ユニット１が埋設管８のＴ字型曲が
り部や直角部等の角部に達したことが照明灯付カメラ６
によってモニターで確認されたら、一旦、発信器ユニッ
ト１の進行を停止して引き戻し、前記角部の位置で孔を
穿孔してそこから発信器ユニット１を埋設管８に挿入し
て探索を行うようにする。このように直線的に発信器ユ
ニット１を走行させて埋設管８の実際の配管位置を探索
するものである。前記埋設管８の孔径の大きさによって
は発信器ユニット１を管路に沿ってカーブさせることが
できる。When the transmitter unit 1 reaches a corner of the buried pipe 8 such as a T-shaped bent portion or a right-angled portion, the camera 6 with an illuminating lamp.
If it is confirmed by the monitor, the movement of the transmitter unit 1 is once stopped and pulled back, a hole is punched at the position of the corner portion, and the transmitter unit 1 is inserted into the buried pipe 8 from there to perform a search. To In this way, the transmitter unit 1 is linearly moved to search the actual pipe position of the buried pipe 8. Depending on the hole diameter of the buried pipe 8, the transmitter unit 1 can be curved along the pipe line.

【００２４】このようにして、埋設管８の埋設位置がデ
ィスプレイ上若しくは記録紙に自動的に描画されるもの
である。この後、埋設管８に穴を開けたり破壊すること
なくパワーショベル等で地盤の掘削を行うことができる
と共に、埋設管８の一部を使用しながら解体工事を進め
ることができるものである。In this way, the embedded position of the embedded pipe 8 is automatically drawn on the display or on the recording paper. After that, the ground can be excavated by a power shovel or the like without making a hole or breaking in the buried pipe 8, and the dismantling work can be performed while using a part of the buried pipe 8.

【００２５】[0025]

【発明の効果】以上説明したように、本発明に係る給水
管路の探索方法は、埋設管路に挿入される発信器ユニッ
トと、該発信器ユニットによる交番磁界を測定して埋設
管路の位置を地上で探査する受信器と、該受信器の位置
を測定する測定手段と、該測定手段からのデータを基に
して埋設管路の位置を記録する記録手段と、前記測定手
段と記録手段とを制御する制御手段とからなる給水管路
の探査装置を形成して、埋設管路の位置を地上の受信器
で探査すると共に、該受信器の位置を測定手段で測定し
て記録手段で自動的に記録することとしたので、埋設管
路の全***置が自動的に記録されるようになり、埋設管
の切断や破壊に伴う解体等における工事中断が未然に防
止され作業能率が向上するると言う優れた効果を奏す
る。As described above, the method for searching for a water supply pipe according to the present invention includes a transmitter unit to be inserted into a buried pipe, and an alternating magnetic field generated by the transmitter unit to measure the buried pipe. Receiver for exploring the position on the ground, measuring means for measuring the position of the receiver, recording means for recording the position of the buried pipeline based on data from the measuring means, the measuring means and the recording means A search device for the water supply pipeline is formed by a control means for controlling the, and the position of the buried pipeline is searched by a receiver on the ground, and the position of the receiver is measured by the measuring means and recorded by the recording means. Since it is automatically recorded, the entire position of the buried pipe is automatically recorded, work interruption is prevented before cutting and destruction of the buried pipe, and work efficiency is improved. It has an excellent effect.

【００２６】本発明に係る探査装置は、埋設管路に挿入
される発信器ユニットと、該発信器ユニットによる交番
磁界を測定して埋設管路の位置を地上で探査する受信器
と、該受信器の位置を測定する測定手段と、該測定手段
からのデータを基にして埋設管路の位置を記録する記録
手段と、前記測定手段と記録手段とを制御する制御手段
とからなるので、埋設管路の位置を確認することができ
ると共に、位置データの処理も可能となると言う優れた
効果を奏する。The exploration apparatus according to the present invention comprises a transmitter unit inserted in a buried pipeline, a receiver for measuring the alternating magnetic field generated by the transmitter unit to probe the position of the buried pipeline on the ground, and the reception unit. The measuring means for measuring the position of the vessel, the recording means for recording the position of the buried pipeline based on the data from the measuring means, and the control means for controlling the measuring means and the recording means This has an excellent effect that the position of the pipeline can be confirmed and the position data can be processed.

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

【図１】本発明に係る探査装置の発振器ユニットの概略
構成図である。FIG. 1 is a schematic configuration diagram of an oscillator unit of a search device according to the present invention.

【図２】本発明に係る受信器の概略構成図である。FIG. 2 is a schematic configuration diagram of a receiver according to the present invention.

【図３】本発明に係る探査装置によって埋設管路の位置
を記録する様子を示す説明図である。FIG. 3 is an explanatory diagram showing a state in which the position of the buried pipeline is recorded by the exploration apparatus according to the present invention.

【符号の説明】[Explanation of symbols]

１ 発信器ユニット、 ２ 駆動モータ、 ３ 電源、 ４ 発信器、 ５ コイルユニット、 ６ カメラ、 ７ 走行輪、 ８ 埋設管、 ９ 安定輪、 １０ 受信器、 １２ 受信コイル、 １３ レーザ発信・受信器、 １４，１５ レーザ反射部。 1 transmitter unit, 2 drive motor, 3 power source, 4 transmitter, 5 coil unit, 6 camera, 7 running wheels, 8 buried pipe, 9 stabilizing wheel, 10 receiver, 12 receiver coil, 13 laser transmitter / receiver, 14, 15 Laser reflector.

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 埋設管路に挿入される発信器ユニット
と、該発信器ユニットによる交番磁界を測定して埋設管
路の位置を地上で探査する受信器と、該受信器の位置を
測定する測定手段と、該測定手段からのデータを基にし
て埋設管路の位置を記録する記録手段と、前記測定手段
と記録手段とを制御する制御手段とからなる給水管路の
探査装置を形成して、埋設管路の位置を地上の受信器で
探査すると共に、該受信器の位置を測定手段で測定して
記録手段で自動的に記録することを特徴とする給水管路
の探索方法。1. A transmitter unit to be inserted into a buried pipeline, a receiver for measuring the alternating magnetic field by the transmitter unit to search the position of the buried pipeline on the ground, and the position of the receiver. An exploration device for a water supply line is formed, which comprises a measuring means, a recording means for recording the position of the buried pipeline based on the data from the measuring means, and a control means for controlling the measuring means and the recording means. Then, the position of the buried pipeline is searched by a receiver on the ground, and the position of the receiver is measured by the measuring means and automatically recorded by the recording means. 【請求項２】 埋設管路に挿入される発信器ユニット
と、該発信器ユニットによる交番磁界を測定して埋設管
路の位置を地上で探査する受信器と、該受信器の位置を
測定する測定手段と、該測定手段からのデータを基にし
て埋設管路の位置を記録する記録手段と、前記測定手段
と記録手段とを制御する制御手段とからなる、給水管路
の探査装置。2. A transmitter unit to be inserted into a buried pipeline, a receiver for measuring the alternating magnetic field generated by the transmitter unit to search the position of the buried pipeline on the ground, and the position of the receiver. An exploration device for a water supply pipeline, comprising: a measuring means; a recording means for recording the position of the buried pipeline based on the data from the measuring means; and a control means for controlling the measuring means and the recording means.
JP21704395A 1995-08-25 1995-08-25 Search method of water pipe line and its investigation apparatus Pending JPH0961167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21704395A JPH0961167A (en) 1995-08-25 1995-08-25 Search method of water pipe line and its investigation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21704395A JPH0961167A (en) 1995-08-25 1995-08-25 Search method of water pipe line and its investigation apparatus

Publications (1)

Publication Number Publication Date
JPH0961167A true JPH0961167A (en) 1997-03-07

Family

ID=16697950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21704395A Pending JPH0961167A (en) 1995-08-25 1995-08-25 Search method of water pipe line and its investigation apparatus

Country Status (1)

Country Link
JP (1) JPH0961167A (en)

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