JPS62151083U - - Google Patents
Info
- Publication number
- JPS62151083U JPS62151083U JP3911586U JP3911586U JPS62151083U JP S62151083 U JPS62151083 U JP S62151083U JP 3911586 U JP3911586 U JP 3911586U JP 3911586 U JP3911586 U JP 3911586U JP S62151083 U JPS62151083 U JP S62151083U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- coil
- steel plate
- change
- welding machine
- 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
- 239000000696 magnetic material Substances 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 3
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Description
第１図はこの考案の一実施例の系統図、第２図
はセンサ部の具体例を示した断面図、第３図およ
び第４図は被測定物の具体例の断面図、第５図は
測定結果を示すグラフ、第６図は作動の一例を示
すタイミングチヤート図、第７図および第８図は
センサ部の他の例を示す断面図である。
２……切替装置、１０……センサ部、１５……
比較判定回路、１９……温度補正回路、２３……
磁性体、２４……コイル、２５……箱状磁気シー
ルド体、２６……開口部、２７……発振器。
Fig. 1 is a system diagram of an embodiment of this invention, Fig. 2 is a sectional view showing a specific example of the sensor section, Figs. 3 and 4 are sectional views of a specific example of the object to be measured, and Fig. 5. 6 is a graph showing measurement results, FIG. 6 is a timing chart showing an example of operation, and FIGS. 7 and 8 are sectional views showing other examples of the sensor portion. 2...Switching device, 10...Sensor section, 15...
Comparison/judgment circuit, 19... Temperature correction circuit, 23...
Magnetic material, 24... Coil, 25... Box-shaped magnetic shield, 26... Opening, 27... Oscillator.
Claims (1)
磁気シールド体の内部に、先端が前記開口部から
突出するようにして収納して形成したセンサ部分
と、前記コイルに一定交流電圧を印加する発振器
と、前記センサ部分の磁性体を鋼板に接触させた
ときのコイルの磁束の変化を電流または電圧の変
化として検出する検出回路と、該検出回路によつ
て検出された数値を設定値と比較して鋼板の種類
を判定する比較判定回路と、前記センサ部分の周
囲温度に応じて検出値または設定値を補正する温
度補正回路と、前記比較判定回路からの判定信号
を受けて外部のタイマコンタクタに接続された出
力リレーを駆動する駆動回路と、を備えたことを
特徴とする自動スポツト溶接機の溶接条件自動切
替装置。 A constant alternating current voltage is applied to the sensor part, which is formed by storing a coiled magnetic material inside a box-shaped magnetic shield body with one end open so that the tip protrudes from the opening, and to the coil. An oscillator, a detection circuit that detects a change in the magnetic flux of the coil as a change in current or voltage when the magnetic body of the sensor portion is brought into contact with a steel plate, and a value detected by the detection circuit is compared with a set value. a comparison judgment circuit for determining the type of steel plate, a temperature correction circuit for correcting the detected value or set value according to the ambient temperature of the sensor portion, and an external timer contactor receiving the judgment signal from the comparison judgment circuit. An automatic welding condition switching device for an automatic spot welding machine, comprising: a drive circuit that drives an output relay connected to an automatic spot welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3911586U JPS62151083U (en) | 1986-03-19 | 1986-03-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3911586U JPS62151083U (en) | 1986-03-19 | 1986-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62151083U true JPS62151083U (en) | 1987-09-25 |
Family
ID=30851989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3911586U Pending JPS62151083U (en) | 1986-03-19 | 1986-03-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62151083U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853186U (en) * | 1981-10-07 | 1983-04-11 | クラリオン株式会社 | automatic soldering equipment |
-
1986
- 1986-03-19 JP JP3911586U patent/JPS62151083U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5853186U (en) * | 1981-10-07 | 1983-04-11 | クラリオン株式会社 | automatic soldering equipment |
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