JPS646742U - - Google Patents
Info
- Publication number
- JPS646742U JPS646742U JP9995987U JP9995987U JPS646742U JP S646742 U JPS646742 U JP S646742U JP 9995987 U JP9995987 U JP 9995987U JP 9995987 U JP9995987 U JP 9995987U JP S646742 U JPS646742 U JP S646742U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- controller
- electromagnetic contactor
- electric motor
- coil
- 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
Landscapes
- Control And Safety Of Cranes (AREA)
- Protection Of Generators And Motors (AREA)
- Stopping Of Electric Motors (AREA)
Description
第１図は本考案の実施例に係る電動機操作回路
の例を示すシーケンス回路図、第２図は前記電動
機への動力回路の例を示すシーケンス回路図、第
３図は前記動力回路の電磁接触器の接点溶着や復
帰不良を検出するための異常検出回路のシーケン
ス回路図、第４図は従来のモータへの動力回路の
シーケンス回路図、第５図は前記動力回路を操作
するための操作回路のシーケンス回路図である。
１０Ａ，１０Ｂ，１０Ｃ…巻上げ用、横行用、
走行用の巻線型誘導電動機、１２…電源ライン、
１４…過負荷遮断器、Ｍ１…主回路用電磁接触器
、２５Ａ…主回路用電磁接触器のａ接点、１８…
操作回路用起動ボタン、Ｍ２…操作回路用電磁接
触器、２０…操作回路用電磁接触器のコイル、２
２…操作回路用電磁接触器のａ接点、２４…主回
路用電磁接触器のコイル、２６Ａ，２６Ｂ…巻上
げ制御器正転、逆転ノツチの接点、２８Ａ，２８
Ｂ…巻上げ正転用、逆転用電磁接触器のコイル、
３０Ａ，３０Ｂ…横行制御器正転、逆転ノツチの
接点、３２Ａ，３２Ｂ…横行正転用、逆転用電磁
接触器のコイル、３４Ａ，３４Ｂ…走行制御器正
転、逆転ノツチの接点、３６Ａ，３６Ｂ…走行正
転用、逆転用電磁接触器のコイル、４２…停止ボ
タン、４８Ａ〜４８Ｃ…各制御器のオフ接点、５
０Ａ〜５０Ｃ…巻上げ用、横行用、走行用電圧継
電器のコイル、５２Ａ〜５２Ｃ…巻上げ用、横行
用、走行用制御器のオフ検出用補助継電器のコイ
ル、Ｍ１５…主回路遮断用補助継電器、５４…主
回路遮断用補助継電器のコイル。
Fig. 1 is a sequence circuit diagram showing an example of a motor operation circuit according to an embodiment of the present invention, Fig. 2 is a sequence circuit diagram showing an example of a power circuit to the motor, and Fig. 3 is a sequence circuit diagram showing an example of a power circuit for the motor. A sequence circuit diagram of an abnormality detection circuit for detecting contact welding and reset failure of the device, Figure 4 is a sequence circuit diagram of a power circuit for a conventional motor, and Figure 5 is an operating circuit for operating the power circuit. FIG. 10A, 10B, 10C...For hoisting, for traversing,
Wound induction motor for running, 12...power line,
14...Overload breaker, M1...Magnetic contactor for main circuit, 25A...A contact of electromagnetic contactor for main circuit, 18...
Start button for operation circuit, M2...Magnetic contactor for operation circuit, 20...Coil of electromagnetic contactor for operation circuit, 2
2... A contact of the electromagnetic contactor for the operating circuit, 24... Coil of the electromagnetic contactor for the main circuit, 26A, 26B... Contact of the winding controller normal rotation, reverse rotation notch, 28A, 28
B...Magnetic contactor coil for winding forward and reverse rotation,
30A, 30B...Contact points of traverse controller forward rotation and reverse rotation notches, 32A, 32B...Magnetic contactor coils for traverse forward rotation and reverse rotation, 34A, 34B...Contact points of traverse controller forward rotation and reverse rotation notches, 36A, 36B... Coil of electromagnetic contactor for forward and reverse running, 42...stop button, 48A to 48C...off contact of each controller, 5
0A to 50C... Coil of voltage relay for hoisting, traversing, and running, 52A to 52C... Coil of auxiliary relay for off detection of hoisting, traversing, and running controller, M15... Auxiliary relay for main circuit interruption, 54 ...Auxiliary relay coil for main circuit interruption.
Claims (1)
磁接触器と、該電動機の運転を制御するため該電
磁接触器の作動を制御する制御器とを有する電動
機利用設備の安全装置であつて、 前記各電動機の動力回路に電圧が印加されたと
き作動する第１の継電器と、 前記制御器のオフ状態のとき作動する第２の継
電器と、 前記第１及び第２の継電器の双方が作動したと
きに、前記各電動機への電源の供給を遮断する遮
断回路とを備えたことを特徴とする電動機利用設
備の安全装置。[Scope of Claim for Utility Model Registration] Electric motor utilization equipment that has an electromagnetic contactor that controls on/off power supply for each electric motor, and a controller that controls the operation of the electromagnetic contactor to control the operation of the electric motor. The safety device includes: a first relay that operates when voltage is applied to the power circuit of each of the electric motors; a second relay that operates when the controller is in the OFF state; A safety device for equipment using electric motors, comprising a cutoff circuit that cuts off power supply to each of the electric motors when both relays are activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9995987U JPS646742U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9995987U JPS646742U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646742U true JPS646742U (en) | 1989-01-13 |
Family
ID=31327597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9995987U Pending JPS646742U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646742U (en) |
-
1987
- 1987-06-29 JP JP9995987U patent/JPS646742U/ja active Pending
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