JPS6232088U - - Google Patents
Info
- Publication number
- JPS6232088U JPS6232088U JP12313085U JP12313085U JPS6232088U JP S6232088 U JPS6232088 U JP S6232088U JP 12313085 U JP12313085 U JP 12313085U JP 12313085 U JP12313085 U JP 12313085U JP S6232088 U JPS6232088 U JP S6232088U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- alarm
- lamp
- circuit
- sensor
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control And Safety Of Cranes (AREA)
Description
図は本考案の実施例を示す回路構成図である。
Ａ……ランプ回路、１……作動状態検出用のセ
ンサ、２……表示ランプ、Ｂ……警報回路、３…
…警報器、４……第１トランジスタ、５……第２
トランジスタ、６……バイアス抵抗、７……負荷
抵抗。
The figure is a circuit configuration diagram showing an embodiment of the present invention. A...Lamp circuit, 1...Sensor for detecting operating state, 2...Display lamp, B...Alarm circuit, 3...
...Alarm, 4...First transistor, 5...Second
Transistor, 6...bias resistance, 7...load resistance.
Claims (1)
と、このセンサによつて通断電制御される表示ラ
ンプとが直列に接続されてランプ回路が構成され
、ブザー等の警報器と、この警報器を通断電制御
する第１トランジスタとが直列に接続されて警報
回路が構成され、上記ランプ回路におけるセンサ
と表示ランプの接続点と、上記警報回路における
第１トランジスタのベースとの間に負荷抵抗が接
続され、かつ第１トランジスタのベース−エミツ
タ間にこの第１トランジスタをオンオフ制御する
第２トランジスタが接続され、この第２トランジ
スタのベース−エミツタ間にバイアス電圧を付与
するバイアス抵抗が上記ランプ回路に直列に接続
されてなることを特徴とするクレーンの安全モニ
タにおける表示ランプの球切れ警報装置。 A sensor that detects operating conditions such as crane rotation, and an indicator lamp that is turned on and off by this sensor are connected in series to form a lamp circuit, and an alarm such as a buzzer and this alarm A first transistor for controlling power on/off is connected in series to form an alarm circuit, and a load resistance is provided between a connection point between the sensor and the display lamp in the lamp circuit and a base of the first transistor in the alarm circuit. A second transistor is connected between the base and emitter of the first transistor for controlling the on/off of the first transistor, and a bias resistor for applying a bias voltage between the base and emitter of the second transistor is connected to the lamp circuit. A blown-out warning device for indicator lamps in a crane safety monitor, characterized in that they are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12313085U JPS6232088U (en) | 1985-08-09 | 1985-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12313085U JPS6232088U (en) | 1985-08-09 | 1985-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6232088U true JPS6232088U (en) | 1987-02-25 |
Family
ID=31013951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12313085U Pending JPS6232088U (en) | 1985-08-09 | 1985-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232088U (en) |
-
1985
- 1985-08-09 JP JP12313085U patent/JPS6232088U/ja active Pending