JPS6176373U - - Google Patents
Info
- Publication number
- JPS6176373U JPS6176373U JP16197484U JP16197484U JPS6176373U JP S6176373 U JPS6176373 U JP S6176373U JP 16197484 U JP16197484 U JP 16197484U JP 16197484 U JP16197484 U JP 16197484U JP S6176373 U JPS6176373 U JP S6176373U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic detector
- arrival
- transport path
- adjustment circuit
- zero adjustment
- 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
Links
- 239000002184 metal Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
Description
第１図は、この考案の１実施例を示す金属探知
装置を示し、第１図ａは同装置の側面図、第１図
ｂは同装置の前面図、第２図は、同装置の回路部
を示すブロツク図である。
１：ベルトコンベア、６，７：磁気検知器、８
，９：物体検知器、１５：自動零調整回路、２３
：信号判定回路。
Fig. 1 shows a metal detection device showing one embodiment of this invention, Fig. 1a is a side view of the device, Fig. 1b is a front view of the device, and Fig. 2 is a circuit of the device. FIG. 1: Belt conveyor, 6, 7: Magnetic detector, 8
, 9: Object detector, 15: Automatic zero adjustment circuit, 23
: Signal judgment circuit.
Claims (1)
の磁気検知器出力が所定レベル以上であると前記
物体に金属が含まれるものであると判定する信号
判定部と、前記磁気検知器の零点を調整する自動
零調整回路と、前記物体の移送路方向の前記磁気
検知器の前後に配置され、それぞれ物体の到来を
検知する第１、第２の物体検知器と、この第１の
物体検知器が物体到来を検知してから第２の物体
検知器が物体到来を検知するまで、前記自動零調
整回路の作動を禁止する手段とからなる金属探知
装置。 A magnetic detector provided on a transport path of an object, a signal determination unit that determines that the object contains metal when the output of the magnetic detector is equal to or higher than a predetermined level, and adjusts a zero point of the magnetic detector. an automatic zero adjustment circuit for detecting an object; first and second object detectors that are arranged before and after the magnetic detector in the direction of the object transport path, respectively, to detect the arrival of an object; A metal detection device comprising means for prohibiting operation of the automatic zero adjustment circuit from the time when the arrival of an object is detected until the second object detector detects the arrival of the object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16197484U JPS6176373U (en) | 1984-10-25 | 1984-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16197484U JPS6176373U (en) | 1984-10-25 | 1984-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6176373U true JPS6176373U (en) | 1986-05-22 |
Family
ID=30719868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16197484U Pending JPS6176373U (en) | 1984-10-25 | 1984-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6176373U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114497A (en) * | 1977-02-17 | 1978-10-05 | Densoku Kougiyou Kk | Balanceeregulated circuit for metal detector |
| JPS53122477A (en) * | 1977-03-31 | 1978-10-25 | Shimadzu Corp | End control system of auto balance circuit in eddy current flaw detector |
-
1984
- 1984-10-25 JP JP16197484U patent/JPS6176373U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114497A (en) * | 1977-02-17 | 1978-10-05 | Densoku Kougiyou Kk | Balanceeregulated circuit for metal detector |
| JPS53122477A (en) * | 1977-03-31 | 1978-10-25 | Shimadzu Corp | End control system of auto balance circuit in eddy current flaw detector |
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