JPS5470541A - Elevator control apparatus - Google Patents
Elevator control apparatusInfo
- Publication number
- JPS5470541A JPS5470541A JP13569677A JP13569677A JPS5470541A JP S5470541 A JPS5470541 A JP S5470541A JP 13569677 A JP13569677 A JP 13569677A JP 13569677 A JP13569677 A JP 13569677A JP S5470541 A JPS5470541 A JP S5470541A
- Authority
- JP
- Japan
- Prior art keywords
- cage
- motor
- operation command
- magnetic field
- braking force
- 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
Abstract
PURPOSE: To prevent the self-travelling of elevators in an economical manner with an electric braking force applied on the drive motor on the considion that the elevater cage starts travelling without any operation command.
CONSTITUTION: In an elevator designed that a sheave 4 which is wound with a rope 7 having a cage and balancing weight installed respectively at either end thereof is turned by a motor 2 is driven through a drive circuit 1, a magnetic field coil 3 of the motor is controlled by a control device 8 so that the current im flows during the operation by a contact 10a of a relay which is normally energized with an operation command. Here, when a relay adapted to detect the running of the cage without operation command during the stoppage of the elevator is energized, the magnetic field current im flows be a make contact 12a. In this manner, the driving of the cage and the balancing weight 6 by the motor 2 which is otherwise caused by an unbalanced torque can be prevented utilizing a generation braking force.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13569677A JPS5470541A (en) | 1977-11-14 | 1977-11-14 | Elevator control apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13569677A JPS5470541A (en) | 1977-11-14 | 1977-11-14 | Elevator control apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5470541A true JPS5470541A (en) | 1979-06-06 |
Family
ID=15157761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13569677A Pending JPS5470541A (en) | 1977-11-14 | 1977-11-14 | Elevator control apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5470541A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008056428A (en) * | 2006-08-31 | 2008-03-13 | Toshiba Elevator Co Ltd | Elevator control device |
-
1977
- 1977-11-14 JP JP13569677A patent/JPS5470541A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008056428A (en) * | 2006-08-31 | 2008-03-13 | Toshiba Elevator Co Ltd | Elevator control device |
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