JPS6154287U - - Google Patents

Info

Publication number
JPS6154287U
JPS6154287U JP13911284U JP13911284U JPS6154287U JP S6154287 U JPS6154287 U JP S6154287U JP 13911284 U JP13911284 U JP 13911284U JP 13911284 U JP13911284 U JP 13911284U JP S6154287 U JPS6154287 U JP S6154287U
Authority
JP
Japan
Prior art keywords
receiving
coil
coil holder
holds
receiving coils
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
JP13911284U
Other languages
Japanese (ja)
Other versions
JPH0539507Y2 (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 JP1984139112U priority Critical patent/JPH0539507Y2/ja
Publication of JPS6154287U publication Critical patent/JPS6154287U/ja
Application granted granted Critical
Publication of JPH0539507Y2 publication Critical patent/JPH0539507Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１〜３図は金属検出装置の動作原理の説明図
、第４図は金属検出装置の原理的な構成を示すブ
ロツク図、第５，６図はコイルを固定した保持体
を示す斜視図、第７図は枠体をスペーサに取付け
た状態を示す斜視図、第８図は本考案の一実施例
を示すブロツク図、第９，１０図はコイルの取付
け位置のずれによる不平衡出力を示す説明図、第
１１図は本考案の他の実施例の要部を示すブロツ
ク図である。 ２１……発振器、Ｐ……送信コイル、Ｓ１……
第１の受信コイル、Ｓ２……第２の受信コイル、
２８ａ，２８ｂ……表示器、３２……検波器、３
３……移相器、３４……積分器、３５，３６……
発光ダイオード、３９……絶対値回路、４０……
レベル表示器。 1 to 3 are explanatory diagrams of the operating principle of the metal detection device, FIG. 4 is a block diagram showing the basic configuration of the metal detection device, and FIGS. 5 and 6 are perspective views showing the holder to which the coil is fixed. Fig. 7 is a perspective view showing the frame attached to the spacer, Fig. 8 is a block diagram showing an embodiment of the present invention, and Figs. 9 and 10 show unbalanced output due to deviation in the mounting position of the coil. The explanatory drawing, FIG. 11, is a block diagram showing the main parts of another embodiment of the present invention. 21... Oscillator, P... Transmission coil, S1...
First receiving coil, S2... second receiving coil,
28a, 28b...Display device, 32...Detector, 3
3... Phase shifter, 34... Integrator, 35, 36...
Light emitting diode, 39... Absolute value circuit, 40...
Level indicator.

Claims (1)

【実用新案登録請求の範囲】 磁界を発生する送信コイルを保持する送信コイ
ル保持体と； 被検査体中の金属を検出するための前記送信コ
イルに対向して設けられる第１、第２の受信コイ
ルを保持する受信コイル保持体と； 前記送信コイルによる磁界の磁力線を前記第１
、第２の受信コイルがそれぞれほぼ等量受けるよ
うに、前記送信コイル保持体と受信コイル保持体
とを相対向させて締結する締結部材と； 前記第１、第２の受信コイルがそれぞれ受ける
磁力線により誘起される誘起電圧を検出し、前記
第１、第２の受信コイル間の平衡状態を示す信号
として出力する平衡度検出手段と； 該平衡度検出手段の出力信号を受けて、前記送
信コイルと第１、第２の受信コイルとの相対位置
のずれ方向を表示する表示手段とを備えた金属検
出装置。[Claims for Utility Model Registration] A transmitting coil holder that holds a transmitting coil that generates a magnetic field; and first and second receivers that are provided opposite to the transmitting coil for detecting metal in an object to be inspected. a receiving coil holder that holds the coil; and a receiving coil holder that holds the coil;
, a fastening member that fastens the transmitting coil holder and the receiving coil holder so that they face each other so that the second receiving coil receives substantially equal amounts of the lines of magnetic force that the first and second receiving coils receive, respectively; balance detection means for detecting an induced voltage induced by the first and second receiving coils and outputting the detected voltage as a signal indicating a balanced state between the first and second receiving coils; and display means for displaying the direction of relative positional deviation between the first and second receiving coils.
JP1984139112U 1984-09-13 1984-09-13 Expired - Lifetime JPH0539507Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984139112U JPH0539507Y2 (en) 1984-09-13 1984-09-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984139112U JPH0539507Y2 (en) 1984-09-13 1984-09-13

Publications (2)

Publication Number Publication Date
JPS6154287U true JPS6154287U (en) 1986-04-11
JPH0539507Y2 JPH0539507Y2 (en) 1993-10-06

Family

ID=30697493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984139112U Expired - Lifetime JPH0539507Y2 (en) 1984-09-13 1984-09-13

Country Status (1)

Country Link
JP (1) JPH0539507Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868865A (en) * 1994-08-31 1996-03-12 Nippon Cement Co Ltd Detection head for metal detector
JP2004271278A (en) * 2003-03-06 2004-09-30 Anritsu Sanki System Co Ltd Metal detecting apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820944U (en) * 1981-08-01 1983-02-09 株式会社カ−メイト car ski carrier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820944U (en) * 1981-08-01 1983-02-09 株式会社カ−メイト car ski carrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0868865A (en) * 1994-08-31 1996-03-12 Nippon Cement Co Ltd Detection head for metal detector
JP2004271278A (en) * 2003-03-06 2004-09-30 Anritsu Sanki System Co Ltd Metal detecting apparatus

Also Published As

Publication number Publication date
JPH0539507Y2 (en) 1993-10-06

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