JPS6026944Y2 - Buried metal detector that can control concrete crushing equipment - Google Patents
Buried metal detector that can control concrete crushing equipmentInfo
- Publication number
- JPS6026944Y2 JPS6026944Y2 JP10272979U JP10272979U JPS6026944Y2 JP S6026944 Y2 JPS6026944 Y2 JP S6026944Y2 JP 10272979 U JP10272979 U JP 10272979U JP 10272979 U JP10272979 U JP 10272979U JP S6026944 Y2 JPS6026944 Y2 JP S6026944Y2
- Authority
- JP
- Japan
- Prior art keywords
- crushing equipment
- buried metal
- concrete crushing
- relay
- equipment
- 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.)
- Expired
Links
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- Percussive Tools And Related Accessories (AREA)
Description
【考案の詳細な説明】
本考案は埋設金属物、例えば水道、ガス、電気配管、給
排水や薬液管路等に対する検出器であるとともに、埋設
部在、例えばコンクリートや岩石、砂利等の破砕、掘馨
機器の制御機能をも備えた、コンクリート破砕機器を制
御できる埋設金属検出器に関する。[Detailed description of the invention] The present invention is a detector for buried metal objects, such as water, gas, electric piping, water supply and drainage, and chemical pipelines. This invention relates to a buried metal detector that also has a control function for concrete crushing equipment and can control concrete crushing equipment.
通例、工場等に於いては設備の改造、移設工事に伴ない
コンクリート床に電動ドリル等で穴をあける際に、よく
地下埋設したパイプ等の金属の正確な埋設箇所が不明と
なっており、誤って埋設管等に損壊を与える失敗が多か
った。Usually, in factories, etc., when drilling holes in concrete floors with electric drills etc. due to equipment modification or relocation work, the exact location of metal such as pipes buried underground is often unknown. There were many failures resulting in damage to buried pipes, etc.
そうしたことのために、従来、金属探知機に類する検出
装置があったが、いずれも価格が高価な上、装置も大掛
りなものであったり、掘繋したり破砕する機器と制御連
係をもった検出器はなかった。For this purpose, there have been detection devices similar to metal detectors, but they are expensive, large-scale devices, and have control links with digging and crushing equipment. There were no detectors available.
そこで、本考案は、従来の検出器を大いに改良して、検
出感度を実利的に向上せしめ、且つ簡便な金属検出機能
をもつとともに、コンクリート破砕機器等の動作制御機
能をも具備した埋設金属検出器を提供せんとするもので
ある。Therefore, the present invention is a buried metal detection system that significantly improves the conventional detector to practically improve the detection sensitivity, has a simple metal detection function, and also has an operation control function for concrete crushing equipment, etc. The purpose is to provide equipment.
次に、本考案を一実施例により、図面を参照して説明す
る。Next, the present invention will be explained by way of an embodiment with reference to the drawings.
第１図は本考案実施例の概要構成を示すブロック図であ
って、１はパイプ等の被埋設物乃至は埋設金属体、４は
コンクリート床等の埋設部材、２はコンクリート床４に
穴明は加工をする例えば電気ドリル等を示すが、本考案
に関しては、例示の電動ドリルに限定するものではなく
、各種のコンクリート破砕機器、繋岩槻、掘馨機器を適
用できること勿論である。FIG. 1 is a block diagram showing the general configuration of an embodiment of the present invention, in which 1 is a buried object such as a pipe or a buried metal body, 4 is a buried member such as a concrete floor, and 2 is a hole drilled in the concrete floor 4. indicates an electric drill, etc. for processing, but the present invention is of course not limited to the illustrated electric drill, and can of course be applied to various types of concrete crushing equipment, tethering equipment, and digging equipment.
５０は当該検出器であって、２０はコンクリート破砕機
器２への動力を入力制御できる第１と第２のリレー（図
示していない）を有する動力制御部、４０はそれらリレ
ーの動作に伴なって付勢発動される警報部、３０は前記
コンクリート破砕機器２の接地側に接続し、且つそれの
刃先３と埋設金属１との接触を電気的に検出し、この検
出信号Ｓ□に基いて前記第１リレーに対し制御信号Ｓ２
を伝達しうるとともに、検出感度を任委調整自在とした
検出制御部、１０は前記各部２０．３０．４０及び当該
コンクリート破砕機器２のための電源部１００は接地部
である。50 is the detector, 20 is a power control unit having first and second relays (not shown) that can input and control the power to the concrete crushing equipment 2, and 40 is a power control unit that is connected to the operation of these relays. An alarm unit 30 is connected to the ground side of the concrete crushing equipment 2, and electrically detects the contact between the cutting edge 3 of the concrete crushing equipment 2 and the buried metal 1, and based on this detection signal S A control signal S2 for the first relay
The detection control section 10 is capable of transmitting the detection sensitivity and can freely adjust the detection sensitivity, and the power supply section 100 for the respective sections 20, 30, 40 and the concrete crushing equipment 2 is a grounding section.
第２図は、前記実施例を更に具体的に回路構成した場合
を示す回路図である。FIG. 2 is a circuit diagram showing a more specific circuit configuration of the above embodiment.
１００Ａは電源部の端子側であって、所要の商用電圧を
受けるためのソケッＩ’ １１ Ｓ、これの差込みプラ
グ１１ｐを用意しである。100A is the terminal side of the power supply section, and a socket I' 11S and a plug 11p for receiving the required commercial voltage are prepared.
プラグｌｌｐは３極であって、中１極は接地極であり、
具体的には埋設金属１の地上立上り部分に一端を接続し
且つ他端を他の図示してない水道管等比較的完全接地に
近い接地側に接続する。The plug llp has 3 poles, the middle pole is the ground pole,
Specifically, one end is connected to the above-ground rising portion of the buried metal 1, and the other end is connected to a ground side that is relatively completely grounded, such as a water pipe (not shown).
１２は電源スィッチ、１５は電源パイロットランプ、Ｉ
ＯＢはトランス１３、整流器１４、ＩＣｌ３を有する電
源部の定電圧供給側で、１６は３端子レギユレータであ
って、オペアンプ３３用の電源用集積回路である。12 is a power switch, 15 is a power pilot lamp, I
OB is a constant voltage supply side of a power supply unit having a transformer 13, a rectifier 14, and an ICl3, and 16 is a three-terminal regulator, which is an integrated circuit for powering the operational amplifier 33.
２はコンクリート破砕機としての電動ドリルであって、
刃先３と埋設金属１とが接触すると、その検出信号Ｓ１
をオペアンプ３３を主要部とする検出制御部３０にて動
力測部２０の第１リレー２１の励磁コイルに対し制御信
号Ｓ２を形成、伝達する。2 is an electric drill used as a concrete crusher,
When the blade edge 3 and the buried metal 1 come into contact, a detection signal S1 is generated.
A control signal S2 is formed and transmitted to the excitation coil of the first relay 21 of the power measuring section 20 in the detection control section 30 which has an operational amplifier 33 as its main part.
３は出力コンセント、３１はドリル本体接地線と接続す
るための端子である。3 is an output outlet, and 31 is a terminal for connecting to the ground wire of the drill body.
可変抵抗Ｒ２は当該検出制御部３０の検出感度調整用の
ものである。The variable resistor R2 is for adjusting the detection sensitivity of the detection control section 30.
即ち、コンクリート床４の敷設条件と埋設金属１の埋設
条件、吻状等に相応して、接地抵抗も種々様々であるこ
とから、所要の工事現場の条件に合わせて、当該検出器
を有効に使用させるための回路要部である。That is, since the grounding resistance varies depending on the laying conditions of the concrete floor 4, the burial conditions of the buried metal 1, the shape of the proboscis, etc., it is necessary to use the detector effectively according to the conditions of the required construction site. This is the main part of the circuit for use.
また入力側の抵抗Ｒ１の抵抗値を適切に選定することに
あり、高感度化することもできる。Furthermore, by appropriately selecting the resistance value of the input-side resistor R1, high sensitivity can be achieved.
第１トランジスターＴｒ□はシュミット、トリガーある
いはワンショット、トリガーとして働き、入力した検出
信号を確実に捕促せんとするものである。The first transistor Tr□ functions as a Schmitt trigger or a one-shot trigger, and is intended to reliably capture the input detection signal.
トランンジスターＴｒ２は周知の通り、ベース側にプリ
アンプ３３からの正出力が印加される時、導通状態とな
り、第１リレー２１を制御できる。As is well known, when the positive output from the preamplifier 33 is applied to the base side of the transistor Tr2, the transistor Tr2 becomes conductive and can control the first relay 21.
動力制御部２０の第１リレー２０Ａには前出の第１リレ
ー２１の他、リセットスイッチ２４、当該検出器の試運
転用のテスト接点２３と使用側接点２５を有するテスト
スイッチ２６、第１リレーのａ接点２１ａを有している
。In addition to the first relay 21 described above, the first relay 20A of the power control unit 20 includes a reset switch 24, a test switch 26 having a test contact 23 for trial operation of the detector and a use side contact 25, and a first relay 20A. It has an a contact 21a.
２０Ｂは第２リレ一部であって、第２リレー２２と、こ
れのｂ接点２２ｂ及び前記第１リレーの他のａ接点２１
ａを有している。20B is a part of the second relay, which includes the second relay 22, its b contact 22b, and the other a contact 21 of the first relay.
It has a.
このことから、第１リレー２１が検出制御部３０からの
制御信号Ｓ２が入力すると付勢され、接点２１ａをオン
にする。Therefore, when the first relay 21 receives the control signal S2 from the detection control section 30, it is energized and turns on the contact 21a.
同時に第２リレーは付勢されて接点２２ｂはオフになり
、ドリル２への給電は停止されることとなる。At the same time, the second relay is energized, the contact 22b is turned off, and the power supply to the drill 2 is stopped.
また、前記動力制御部２０のリレー動作に伴なって直ち
に警報部４０を発起され、警報ランプ４１、警報ブザ−
４２が点灯、発音することになる。In addition, the alarm section 40 is immediately activated with the relay operation of the power control section 20, and the alarm lamp 41 and alarm buzzer are activated.
42 will light up and sound.
これら警報部４０の各要部は使用者側において最も便利
と考えられるものを適用すればよいことである。The main parts of the alarm unit 40 may be selected from those considered most convenient by the user.
１０１は接地部端子である。先ず、使用に際しては、接
地端子１０１からの一端を所定の埋設金属１の地表部分
に接続し他端を手頃な水道管等、あるいは接地棒などに
より低接地抵抗値に接地する。101 is a ground terminal. First, in use, one end of the grounding terminal 101 is connected to the ground surface portion of a predetermined buried metal 1, and the other end is grounded to a low grounding resistance value using a suitable water pipe or the like or a grounding rod.
次にプラグｌｌｐのケーブルを各コネクタ一端子１８に
ネジ止め等により接続し、プラグを商用電圧側コネクタ
ーＩＩｓに差込んで電源側を用意する。Next, the cable of the plug llp is connected to each connector terminal 18 by screwing or the like, and the plug is inserted into the commercial voltage side connector IIs to prepare the power supply side.
次に電動ドリル２の接地側を端子３１と接続（ドリルの
プラグに接地線が含まれていない時）しプラグを出力コ
ネクター３２に接続する。Next, connect the ground side of the electric drill 2 to the terminal 31 (when the drill plug does not include a ground wire), and connect the plug to the output connector 32.
そして電源スィッチ１２をオンにし、電源ランプ１５の
点灯を確認し、先ずテストスイッチ２６をテスト接点２
３側にオンさせる。Then, turn on the power switch 12, check that the power lamp 15 lights up, and first turn the test switch 26 on to the test contact 2.
Turn on the 3rd side.
感度調整用の可変抵抗Ｒ２を調整して、警報ランプ、即
ち当該検出器の動作確認用ともいえるランプ４１の点灯
及びブザー４２の吹鳴する抵抗値を見定める。The variable resistor R2 for sensitivity adjustment is adjusted to determine the resistance value at which the warning lamp, that is, the lamp 41 which can be used to confirm the operation of the detector, lights up and the buzzer 42 sounds.
しかる後に警報部４０が動作しない方向に可変抵抗Ｒ２
を少し動かして適当な抵抗値設定を用いない、テストス
イッチ２６を接点２５側にオンさせる。After that, the variable resistor R2 is turned in the direction in which the alarm unit 40 does not operate.
Move the test switch 26 slightly to turn on the contact 25 without using an appropriate resistance value setting.
こうして、当該検出器の作動準備ができ、電動ドリルが
穿孔して、刃先３が埋設金属１に接触すると、直ちに警
報部４０は発起し、且つ電動ドリル２も停止することと
なる。In this way, when the detector is ready for operation, the electric drill drills a hole, and the cutting edge 3 comes into contact with the buried metal 1, the alarm unit 40 is immediately activated and the electric drill 2 is also stopped.
本例では、検出器の制御機能としてドリルを停止するよ
う回路構成したが、これをドリル回転方向を反転させる
ように構成することは、当業者によれば容易に設計変更
できることである。In this example, the circuit is configured to stop the drill as a control function of the detector, but a person skilled in the art can easily change the design to configure the circuit to reverse the rotation direction of the drill.
例えば単相モータを有するドリルにあっては、モータ種
別で選定するとか、リレー構成を変更するとかして遠戚
できる。For example, in the case of a drill with a single-phase motor, a distant relative can be obtained by selecting the motor type or by changing the relay configuration.
また、三相モータによるドリルにおいても容易な手段を
こうじるのみで果せる。Also, in a drill using a three-phase motor, this can be achieved by simply taking some simple steps.
第３，４図は、前記のように回路構成した本考案実施例
を１つのケースに計装した一例を示し、６０は板金等で
形成できるケース、１０１は接地端子、３１は電動ドリ
ルとの接地端子、６１は検出感度調整用の度盛したつま
みであって、第２図で述べた可変抵抗Ｒ２に係るもので
ある。Figures 3 and 4 show an example in which the embodiment of the present invention having the circuit configuration as described above is instrumented in one case, where 60 is a case made of sheet metal or the like, 101 is a ground terminal, and 31 is an electric drill. The grounding terminal 61 is a knob with a large scale for adjusting the detection sensitivity, and is related to the variable resistor R2 described in FIG.
３２は電動ドリルのプラグに対応する出力用コネクター
、２４Ｂはリセットスイッチ（第２図の２４）のボタン
、１２は電源スィッチ、１５は電源ランプ、４１は警報
ランプ、１８は入力コネクターである。32 is an output connector corresponding to the plug of an electric drill, 24B is a button for a reset switch (24 in FIG. 2), 12 is a power switch, 15 is a power lamp, 41 is an alarm lamp, and 18 is an input connector.
したがって、前述した操作手順における、感度調整はつ
まみ６１を回しながら、警報部が作動する可変抵抗Ｒ２
の値を見きわめ、しかる後、警報部が作動しない方向に
１目盛戻して設定し、その上で本格的な穿孔あるいは掘
馨を遂行することとなる。Therefore, in the above-described operating procedure, the sensitivity adjustment is performed by turning the knob 61 and adjusting the variable resistor R2 that activates the alarm unit.
After determining the value, the alarm part is set back one scale in the direction in which it does not operate, and then full-scale drilling or excavation is carried out.
以上の説明からも知れるように、本考案に係る埋設金属
検出器は、従来品にない、コンクリート破砕機器制御機
能を有しているため、この種破砕、掘馨工事に対して、
極めて顕著な、且つ実利的な利点を具備でき、コンクリ
ート破砕等の工事を効率よく遂行できるとともに、埋設
金属への損壊を完全に防止できる効果がある。As can be seen from the above explanation, the buried metal detector according to the present invention has a concrete crushing equipment control function that conventional products do not have, so it is suitable for this type of crushing and excavation work.
This method has extremely significant and practical advantages, allowing construction work such as concrete crushing to be carried out efficiently, and has the effect of completely preventing damage to buried metal.
図面は本考案に係る埋設金属検出器の一実施例に係るも
のであって、第１図は全体の概要構成を説明するための
ブロック図、第２図は第１図のものより具体的な回路構
成にした一例の電気回路図、第３，４図は第２図示実施
例の計装例を示す正面図及び右側面図である。
図中、２はコンクリート破砕機器、２１は第１リレー、
２２は第２リレー、２０は動力制御部、４０は警報部、
３は破砕機器の刃先、１は埋設金属、Ｓ□は検出信号、
Ｓ２は制御信号、３０は検出制御部、１０は電源部、１
００は接地部である。The drawings relate to one embodiment of the buried metal detector according to the present invention, in which Fig. 1 is a block diagram for explaining the overall general configuration, and Fig. 2 is a more specific diagram than that in Fig. 1. FIGS. 3 and 4 are a front view and a right side view showing an example of the instrumentation of the second illustrated embodiment. In the figure, 2 is concrete crushing equipment, 21 is the first relay,
22 is a second relay, 20 is a power control section, 40 is an alarm section,
3 is the cutting edge of the crushing equipment, 1 is the buried metal, S□ is the detection signal,
S2 is a control signal, 30 is a detection control section, 10 is a power supply section, 1
00 is the grounding part.
Claims (1)
第２のリレーを有する動力制御部と、それら第１１第２
リレーの動作によって付勢される警報部と、前記コンク
リート破砕機器の接地側に接続し、且つそれの刃先と埋
設金属との接触を電気的に検出器この検出信号に基いて
前記第１リレーに対し制御信号を伝達しうるとともに検
出感度を調整自在とした検出制御部と、前記各部及び当
該コンクリート破砕機器のための電源部と、埋設金属の
地上部分に一端を接続するとともに他端を低接地抵抗状
態で接地した接地部とを備えて構成したことを特徴とす
るコンクリート破砕機器を制御できる埋設金属検出器。a power control unit having a first and second relay capable of controlling power on/off to the concrete crushing equipment;
an alarm unit that is activated by the operation of the relay; and an alarm unit that is connected to the ground side of the concrete crushing equipment and that electrically detects contact between the cutting edge of the equipment and buried metal; and an alarm unit that is activated by the operation of the relay; A detection control unit that can transmit control signals and can freely adjust detection sensitivity, a power supply unit for each of the above parts and the concrete crushing equipment, and one end connected to the above ground part of the buried metal and the other end connected to a low ground A buried metal detector capable of controlling concrete crushing equipment, characterized in that it is configured to include a grounding part that is grounded in a resistive state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10272979U JPS6026944Y2 (en) | 1979-07-25 | 1979-07-25 | Buried metal detector that can control concrete crushing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10272979U JPS6026944Y2 (en) | 1979-07-25 | 1979-07-25 | Buried metal detector that can control concrete crushing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5620777U JPS5620777U (en) | 1981-02-24 |
| JPS6026944Y2 true JPS6026944Y2 (en) | 1985-08-14 |
Family
ID=29335441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10272979U Expired JPS6026944Y2 (en) | 1979-07-25 | 1979-07-25 | Buried metal detector that can control concrete crushing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6026944Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114901446A (en) * | 2020-01-09 | 2022-08-12 | 三菱电机大楼技术服务株式会社 | Electric tool |
-
1979
- 1979-07-25 JP JP10272979U patent/JPS6026944Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5620777U (en) | 1981-02-24 |
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