JPS61166340U - - Google Patents
Info
- Publication number
- JPS61166340U JPS61166340U JP4753885U JP4753885U JPS61166340U JP S61166340 U JPS61166340 U JP S61166340U JP 4753885 U JP4753885 U JP 4753885U JP 4753885 U JP4753885 U JP 4753885U JP S61166340 U JPS61166340 U JP S61166340U
- Authority
- JP
- Japan
- Prior art keywords
- microswitch
- detection signal
- voltage relay
- detection
- voltage
- 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 7
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Keying Circuit Devices (AREA)
- Relay Circuits (AREA)
Description
第１図ａはこの考案によるマイクロスイツチ検
出回路の一実施例を示す回路図、第１図ｂは第１
図ａに示す電圧リレーの特性図、第２図はマイク
ロスイツチの使用例を示す側面図、第３図ａ，ｂ
および第４図ａ，ｂは従来のマイクロスイツチ検
出回路の一例を示す回路図である。
１４，１７は抵抗、１５は電圧リレー、１６は
マイクロスイツチ、１８は検出部。なお、図中、
同一符号は同一、又は相当部分を示す。
FIG. 1a is a circuit diagram showing one embodiment of the microswitch detection circuit according to this invention, and FIG.
Figure a is a characteristic diagram of the voltage relay, Figure 2 is a side view showing an example of the use of a micro switch, and Figures 3 a and b.
4a and 4b are circuit diagrams showing an example of a conventional microswitch detection circuit. 14 and 17 are resistors, 15 is a voltage relay, 16 is a micro switch, and 18 is a detection section. In addition, in the figure,
The same reference numerals indicate the same or corresponding parts.
Claims (1)
ロスイツチを介して電源ライン間に接続された電
圧リレーと、前記マイクロスイツチに対して並列
に接続された抵抗とを備え、前記電圧リレーは前
記マイクロスイツチのオン・オフおよびその接続
ラインの断線によつて変化する印加電圧の変化を
判別して前記マイクロスイツチのオン・オフ検出
信号および断線検出信号を出力することを特徴と
するマイクロスイツチ検出回路。 It includes a microswitch for object detection, a voltage relay connected between power lines via this microswitch, and a resistor connected in parallel to the microswitch, and the voltage relay turns on the microswitch. - A microswitch detection circuit characterized in that it outputs an on/off detection signal and a disconnection detection signal of the microswitch by determining a change in applied voltage that changes depending on whether the microswitch is turned off or its connection line is disconnected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4753885U JPS61166340U (en) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4753885U JPS61166340U (en) | 1985-03-29 | 1985-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61166340U true JPS61166340U (en) | 1986-10-15 |
Family
ID=30562956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4753885U Pending JPS61166340U (en) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61166340U (en) |
-
1985
- 1985-03-29 JP JP4753885U patent/JPS61166340U/ja active Pending