JPS6020314B2 - Elevator operating device - Google Patents

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to an elevator equipped with an elevator control operation device in the event of an earthquake or fire, and is particularly suitable for returning to normal operation after the earthquake or fire has subsided. Pertains to elevator operating equipment.

[Background of the Invention] Conventionally, this type of elevator control operation device has been designed to control and operate elevators in a part of the control room that manages various aspects of the entire building when several elevators are installed in a relatively large building. A monitoring board has been set up to control the operation, and the manager automatically controls the control operation using a changeover switch or, in some cases, in conjunction with a detector.

Furthermore, when one elevator is installed, as is known from Japanese Patent Publication No. 48-42155, many elevators detect earthquakes and operate under automatic control. by the way,
When such an earthquake or fire occurs, it may be extremely dangerous for safety due to damage to equipment in the tower, opening/closing of doors, trouble with the electrical system, etc.

Therefore, after this control operation, it is desirable to conduct some kind of inspection depending on the magnitude of the earthquake or fire.
In the past, there were no regulations regarding the return procedure after this controlled operation, and in the unlikely event that the building manager simply returned the changeover switch or detector to return to normal operation, or the If normal operation was unconditionally restored after a predetermined time limit as in Japanese Patent No. 42155, it would be dangerous because it would be put into general use without any inspection.

[Purpose of the invention]

The purpose of the present invention is to
To provide an elevator operating device capable of providing highly safe elevator service.

[Summary of the invention]

The present invention is characterized in that, in an elevator equipped with a device for detecting an earthquake or fire and performing controlled operation, there is a means for detecting that the elevator has been inspected at low speed, and when returning from controlled operation to normal operation. Provided that the inspection operation detecting means detects an inspection operation, the safety of the elevator is confirmed before returning to normal operation by providing means for enabling the above-mentioned return.

[Embodiments of the invention]

In this example, as a return procedure after the completion of control operation, a full-time person such as a building manager gets into the cage, and a switch installed on the driving panel inside the cage is used to prevent passengers from using the cage during normal operation. After switching to operation and performing inspection operation at low speed, with this changeover switch in the disabled state, when the detection device was returned to its original position and controlled operation was canceled, the elevator was at low speed and was not suitable for normal operation. Once again, have a specialist sit in the basket and turn the selector switch from low speed to high speed (normal).
If there is no abnormality, normal operation can be resumed.At this time, do not leave the switch to low speed operation and do not change the detection device back to its original state or before starting low speed operation. Even if the detection device is returned to its original position,
By making sure that controlled operation is canceled only after returning the detection device to its original state and switching to low-distance operation, it is impossible to return to normal operation without performing an inspection operation, thereby ensuring greater safety. , one embodiment for satisfying this feature will be described below.

In the figure, E is a detector that opens in the event of an earthquake or fire, EQ is a control operation detection relay that is excited by this detector E, and S
A well-known inspection operation selector switch installed on the operation panel inside the cage is designed not to be operated during normal operation.

SL is an inspection operation relay that is energized by this switch S, UB and DB are well-known buttons for ascending and descending inspection operation provided inside the car, and U and D are ascending and descending inspection operation relays that are energized by this button. be. If an earthquake were to occur and the detector E was closed and the control operation relay EQ was energized, the in-car destination call button and Hataba call button circuits would be cut by the junction between the contacts EQ2 and EQ3. Also, although not shown in the figure, a well-known nearest floor stopping device operates, and the vehicle is immediately stopped at the nearest floor outside the running elevator, and after the door is opened, it enters a standby state.

In order to operate the elevator normally after the earthquake subsides, it is sufficient to de-energize the control operation detection relay EQ, but returning to normal operation immediately from the standby state may pose a safety problem.

Therefore, first, in order to perform the inspection operation by the building manager, the inspection operation selector switch S, which is not used by passengers during normal operation, is set to the low speed side and the inspection operation relay SL is energized. When this relay operates, its contact S
Due to the junction of L2 and SL3, the in-car destination call button and Hata call button circuits are cut off, and although not shown in the diagram, as is well known, after the elevator switches to low-speed operation,
It is operated by specific ascending or descending inspection operating buttons UB, DB. Of course, normal operation is not possible while the inspection operation relay SL is operating, so after the low-speed inspection operation is completed, the inspection operation selector switch S is left in the low-speed side. When the detector E is returned to its original state, the control operation detection relay EQ is deenergized because the self-holding circuit is opened by the contact SL, but since the inspection operation selector switch S is set to the low speed side, the control operation detection relay EQ is deenergized. It won't be. The specialist gets into the car again and turns the inspection operation selector switch S.
It is possible to switch the elevator to the high speed side and perform an inspection operation under normal operating conditions, and if there is no abnormality, normal operation can be continued, but if there is an abnormality, the elevator can be stopped and operation cannot be performed.

Even if, after completing low-speed operation, the inspection operation changeover switch S is returned from the low-speed side to the high-speed side and then the detector E is returned to its original state, the control operation detection relay EQ will still be connected to the circuits P-SL, -EQ,
Since it is self-maintained by EQ-N, it will not return to normal operation. Or, even if detector E is returned to its original state before low-speed inspection operation, the control operation detection relay EQ
forms a self-holding circuit, so a specialist must turn the car's inspection operation selector switch S to the low-speed side and perform a low-speed inspection operation to de-energize the control operation detection relay EQ, and then turn the car's inspection operation switch S to the low-speed side. It is now possible to perform inspection operations. As mentioned above, before a specialist gets inside the car and inspects it, it goes without saying that a check run can be done in the elevator machine room as is well known, and even after that, normal operation cannot be resumed unless the inside of the car is inspected. It is set as. [Effects of the Invention] According to the present invention, normal operation is resumed after confirming that the low-speed inspection operation has been performed, so elevator operation is extremely safe.

[Brief explanation of the drawing]

The drawing is an electric circuit diagram showing an embodiment of an elevator operating device according to the present invention. E...Detector, EQ...Control operation detection relay, S...
・Inspection operation selector switch, SL... Inspection operation relay, UB... Up inspection operation button, DB...
...Downward inspection operation button, U...Upward inspection operation relay, D...Descent inspection operation relay.

Claims (1)

[Claims] 1. In a device equipped with a device for detecting an earthquake or fire, and a device for controlling elevator operation in response to the detection device, means for detecting that the elevator has been inspected at low speed, and means for detecting this inspection operation. An elevator operating device characterized in that it is provided with means for returning from the controlled operation to normal operation on the condition that the inspection operation is detected by the elevator operator.