JPS62160386U - - Google Patents
Info
- Publication number
- JPS62160386U JPS62160386U JP4824286U JP4824286U JPS62160386U JP S62160386 U JPS62160386 U JP S62160386U JP 4824286 U JP4824286 U JP 4824286U JP 4824286 U JP4824286 U JP 4824286U JP S62160386 U JPS62160386 U JP S62160386U
- Authority
- JP
- Japan
- Prior art keywords
- receiving
- coil
- differentially connected
- receiving coil
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
Description
第１図は従来の金属検出装置を示す概略構成図
、第２図はその側面図である。第３図は本考案の
一実施例を示す概略構成図、第４図は第３図にお
ける―′断面図、第５図は送受信コイルの接
続関係を示す回路図、第６〜８図は動作説明図で
ある。
Ｗ……被検査体、１……コンベヤ、Ｌ１……送
信コイル、Ｌ２……受信コイル、Ｌ３……送信コ
イル、Ｅ１……誘起電圧、Ｅ２……誘起電圧、２
……ケーシング、２ａ……通路、３……コンベヤ
、Ｌ１０……送信コイル、Ｌ１１……第１の受信
コイル、Ｌ２１……第２の受信コイル、Ｌ１２…
…第３の受信コイル、Ｌ２２……第４の受信コイ
ル。
FIG. 1 is a schematic configuration diagram showing a conventional metal detection device, and FIG. 2 is a side view thereof. Fig. 3 is a schematic configuration diagram showing an embodiment of the present invention, Fig. 4 is a cross-sectional view taken along the line -' in Fig. 3, Fig. 5 is a circuit diagram showing the connection relationship of the transmitting and receiving coils, and Figs. 6 to 8 are operational diagrams. It is an explanatory diagram. W...Object to be inspected, 1...Conveyor, L1 ...Transmission coil, L2 ...Reception coil, L3 ...Transmission coil, E1 ...Induced voltage, E2 ...Induced voltage, 2
... Casing, 2a ... Passage, 3 ... Conveyor, L 10 ... Transmission coil, L 11 ... First receiving coil, L 21 ... Second receiving coil, L 12 ...
...Third receiving coil, L22 ...Fourth receiving coil.
Claims (1)
せた第３、第４の受信コイルとを、被検査体搬送
方向に沿つて送信コイルに関して互いに反対側に
同一間隔となるように、且つ、被検査体がコイル
ループ内を貫通して搬送されるように配置し、 前記第１の受信コイルと第３の受信コイルを差
動接続し、前記第２の受信コイルと第４の受信コ
イルを差動接続すると共に、 前記差動接続された第１、第３の受信コイルと
前記差動接続された第２、第４の受信コイルとを
さらに差動接続したことを特徴とする金属検出装
置。[Claims for Utility Model Registration] Adjacent first and second receiving coils and adjacent third and fourth receiving coils are arranged on opposite sides of the transmitting coil along the direction of conveyance of the object to be inspected. The first receiving coil and the third receiving coil are differentially connected, and the first receiving coil and the third receiving coil are arranged at the same intervals and so that the object to be inspected passes through the coil loop and is conveyed. The receiving coil and the fourth receiving coil are differentially connected, and the differentially connected first and third receiving coils are further differentially connected to the differentially connected second and fourth receiving coils. A metal detection device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986048242U JPH0424472Y2 (en) | 1986-03-31 | 1986-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986048242U JPH0424472Y2 (en) | 1986-03-31 | 1986-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62160386U true JPS62160386U (en) | 1987-10-12 |
| JPH0424472Y2 JPH0424472Y2 (en) | 1992-06-09 |
Family
ID=30869588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986048242U Expired JPH0424472Y2 (en) | 1986-03-31 | 1986-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0424472Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS504754U (en) * | 1973-05-10 | 1975-01-18 |
-
1986
- 1986-03-31 JP JP1986048242U patent/JPH0424472Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS504754U (en) * | 1973-05-10 | 1975-01-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424472Y2 (en) | 1992-06-09 |
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