JPH0160329U - - Google Patents
Info
- Publication number
- JPH0160329U JPH0160329U JP15333887U JP15333887U JPH0160329U JP H0160329 U JPH0160329 U JP H0160329U JP 15333887 U JP15333887 U JP 15333887U JP 15333887 U JP15333887 U JP 15333887U JP H0160329 U JPH0160329 U JP H0160329U
- Authority
- JP
- Japan
- Prior art keywords
- air
- core coil
- sensor case
- shield plate
- circuit board
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図は本考案に係る近接スイツチの一実施例
を示す断面図、第２図は第１図に示す近接スイツ
チの底面図、第３図は第１図および第２図に示す
接地シールド板の平面図、第４図は第３図の−
線断面図、第５図は従来の近接スイツチの断面
図、第６図は近接スイツチにおける検知回路の一
例を示すブロツク図である。
１……空芯コイル、２……通過孔、３……挿入
溝、４……センサケース、５……回路部品、６…
…センサカバー、７……プリント回路板、８……
通孔、１０……接地シールド板、１２……切り起
こし部、１３……透孔。
Fig. 1 is a sectional view showing an embodiment of the proximity switch according to the present invention, Fig. 2 is a bottom view of the proximity switch shown in Fig. 1, and Fig. 3 is the grounding shield plate shown in Figs. 1 and 2. The plan view of Fig. 4 is the - of Fig. 3.
5 is a sectional view of a conventional proximity switch, and FIG. 6 is a block diagram showing an example of a detection circuit in the proximity switch. 1... Air core coil, 2... Passing hole, 3... Insertion groove, 4... Sensor case, 5... Circuit component, 6...
...Sensor cover, 7...Printed circuit board, 8...
Through hole, 10...Grounding shield plate, 12...Cut and raised portion, 13...Through hole.
Claims (1)
属物体を検知する近接スイツチにおいて、前記空
芯コイルを前記センサケース内に収納保持する挿
入溝と、このセンサケース内に該センサケースの
底部に保持される接地シールド板と、この接地シ
ールド板上に近接配置されたプリント回路板と、
該プリント回路板上に配設されて前記空芯コイル
と共に検知回路を形成する回路部品と、前記セン
サケースに固定されて前記回路部品を覆うセンサ
カバーとを備え、前記接地シールド板を前記空芯
コイルと前記プリント回路板との境界部に相当す
る一部において略垂直に切り起こしてこれをセン
サケースの一部に一体的に結合構成することを特
徴とする近接スイツチ。 In a proximity switch that detects a metal object passing inside an air-core coil inside a sensor case, the air-core coil is housed and held in the sensor case by an insertion groove, and the air-core coil is held at the bottom of the sensor case. a grounding shield plate, a printed circuit board disposed in close proximity to the grounding shield plate;
A circuit component disposed on the printed circuit board to form a detection circuit together with the air core coil, and a sensor cover fixed to the sensor case to cover the circuit component, the ground shield plate being connected to the air core coil. 1. A proximity switch characterized in that a portion corresponding to a boundary between a coil and the printed circuit board is cut and raised substantially vertically and is integrally connected to a portion of a sensor case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15333887U JPH0160329U (en) | 1987-10-08 | 1987-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15333887U JPH0160329U (en) | 1987-10-08 | 1987-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0160329U true JPH0160329U (en) | 1989-04-17 |
Family
ID=31429087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15333887U Pending JPH0160329U (en) | 1987-10-08 | 1987-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0160329U (en) |
-
1987
- 1987-10-08 JP JP15333887U patent/JPH0160329U/ja active Pending
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