JP3464706B2 - Elevator operation control device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator operation control device, and more particularly to an elevator operation control device suitable for performing an inspection operation after an earthquake. 2. Description of the Related Art In a conventional elevator, when an earthquake which is one of wide-area disasters is detected during operation of the elevator,
After performing earthquake control operation and evacuating the passengers, the operation was suspended and the elevator specialist engineer (hereinafter referred to as worker)
In some cases, an inspection operation is performed automatically or manually while waiting for an elevator including a car to be inspected. [0003] Japanese Patent Application Laid-Open No. 55-56967, Japanese Patent Application Laid-Open No. 5-170387 and the like relate to the inspection operation after the suspension of operation. [0004] The former in the prior art described above is a device for detecting a rail derailment of a hoist, a device for detecting and reproducing an abnormal sound in a hoistway, and connecting them. It is premised that various devices such as tail cords are installed, and when performing the inspection operation, the operation of the low-speed operation switch by the building management engineer (hereinafter referred to as the manager) and the For items that are technically easy to determine abnormalities such as the detection status of rails and the occurrence of abnormal noise in the hoistway during low-speed operation, the judge judges abnormalities,
Operation is resumed only when it is determined that the building is normal.However, due to the recent building management situation and the sophistication of building management technology, the number of buildings without managers is increasing. It is very difficult to leave the judgment to the manager, and as a result, the return of operation by the operation of the vibration detector depends on the worker, and the worker returns to the elevator where the operation was stopped. Therefore, there is a problem that it is not possible to return to the operation promptly, and that the labor required for the operator cannot be reduced. In general, the number of elevators equipped with the above-mentioned devices and the like is very small, so that it is actually necessary to add new devices, resulting in a significant increase in cost. Was. [0006] In the latter case, even if an abnormality due to the occurrence of an earthquake can be detected by the low-speed automatic inspection operation, there is a possibility that the car may come into contact with the counterweight when the elevating body derails due to a relatively large-scale earthquake. When the inspection operation is performed at a certain position, for example, if the counterweight is off the rail, there is a problem that each device around the car is damaged immediately after the start of the inspection operation. An object of the present invention is to provide an elevator operation control device capable of shortening the recovery time of an elevator whose operation has been suspended due to an earthquake and reducing the labor of an operator. [0008] In order to achieve the above object, the present invention provides a vibration detecting means which operates when a vibration of a building caused by an earthquake exceeds a predetermined value, and an operation of the vibration detecting means. An operation control device for an elevator, comprising: earthquake control operation means for controlling an elevator to be in an operation stop state; and an inspection operation means for performing an inspection operation on an elevator that has been brought into a stop state by the operation of the earthquake control operation means. Inspection operation command means for instructing the range of the inspection operation at the position of the car when the vibration detection means is operated, and suspension instruction means for instructing the floor of the car after the completion of the inspection operation. The inspection operation range instructed by the inspection operation instruction means , the upper end of the car is higher than the lower end of the counterweight.
If stopped below, the bottom floor and the top of the car
Is within the range that does not touch the lower end of the counterweight.
If the lower end of the arm stops above the upper end of the counterweight
If the top floor and the bottom of the car are at the top of the counterweight
It is characterized by the range not to be. With the above construction, an inspection operation of either the upper floor or the lower floor of the travel of the car is performed at the position of the car at the time of the occurrence of the earthquake, and after the completion of the inspection operation. The car resting floor is either the specific floor where the entrance of the building is located or the middle floor, and the worker only needs to perform half the steps of the car that has not been checked and operated. You don't have to search for a paused floor,
The operation time for returning to operation can be shortened, and the labor for climbing the stairs to the machine room can be reduced by half in probability. Also ,
In the case that has been stopped at the lower side than the lower end of the counterweight is the upper end of the ride Rikago, the inspection operation to the extent that the inspection range command means, the upper end of the cage and the lowest floor is not applied to the lower end of the counterweight It can be carried out, riding in the case the lower end of the Rikago had been hand stop above side than the upper end of the counterweight, perform the inspection operation to the extent that the lower end of the car ride to the top floor is not applied to the upper end of the counterweight be able to. The present invention will be described below with reference to an embodiment shown in FIG. 1 and FIGS. In FIG. 1, an elevator operation control device for operating and inspecting an elevator comprises an elevator control device 1 for normal operation of the elevator and an inspection operation device 2 for performing an inspection operation of the elevator.
In addition, the elevator driving device and each detecting device are connected to a motor 3 serving as a driving source for driving the elevator, a pulley 4 connected to a rotating shaft of the motor 3, and a rotating shaft for constantly detecting a rotation state of the motor 3. A rotary encoder 5, a main rope 6 wound around a pulley 4, a car 7 connected to one end of the main rope 6, a counterweight 8 connected to the other end, and a predetermined vibration when an earthquake occurs. It comprises an earthquake sensor 9 as a means for detecting, a landing display 10 for displaying the position and the traveling direction of the car 7 at the landing, and the like. The positions and running directions of the car 7 and the counterweight 8 are calculated from the output signal of the rotary encoder 5 by the controller 1a, and are displayed on the landing display 10. is there. An elevator control apparatus 1 mainly includes an earthquake control operation means for controlling an elevator.
a, and an input / output device 1b for inputting and outputting signals from an elevator driving device and each detection device to the control device 1a.
Controller 1a is a device capable of performing the inspection operation according to its contents when receiving a command for checking the operation device 2 yo Ri Inspection operation. The inspection operation device 2 mainly includes an inspection range command means for instructing an inspection range for issuing an instruction for an inspection operation and a pause floor instruction means for instructing a pause floor after the earthquake control operation. And a memory 2 capable of storing various information
b and a communication interface 2c that enables communication with an external device. It is assumed that the control device 2a constantly reads the elevator control data from the control device 1a in the elevator control device 1, and particularly monitors the earthquake detector, the operation status after the earthquake control operation, and the car position. FIGS. 2 and 3 are views showing a stop position of the car and the counterweight before the inspection operation and a final stop floor in the case where no abnormality occurs during the inspection operation. FIG. FIG. 3 shows the inspection operation range and the final stop floor when the car immediately after the control operation is stopped on the floor above the adjacent counterweight. FIG. 3 shows that the car immediately after the earthquake control operation is opposite to the situation shown in FIG. The inspection operation range and the last stop floor when stopping at the floor below the adjacent counterweight are shown. The processing operation of the inspection operation command according to the block diagram of the elevator operation control apparatus according to one embodiment of the present invention shown in FIG. 1 will be described with reference to the flowchart shown in FIG. When an earthquake occurs and a predetermined vibration is detected by the earthquake detector 9, the control device 1a executes the control operation by the earthquake control operation means regardless of whether the elevator is running or stopped. The control device 2a detects an operation suspension signal based on the operation status after the earthquake control operation in the elevator control data that is constantly read from the control device 1a, and thus starts a process for performing an inspection operation. First, at step s1, it is determined whether or not the elevator at the time of the occurrence of the earthquake was running and, at that time, it was confirmed that the elevator was stopped. Then, at step s2, the operation status of the safety device was determined and safety was determined. If the device is not operating, the stop position of the car 7 is compared with the stop position of the adjacent counterweight 8 by the control device 1a in step s3, and the upper end of the car 7 is balanced as shown in FIG. If it has stopped below the lower end of the weight 8, the process moves to step s 6, and the inspection operation device provided with the inspection range command means sets the lowermost floor and the upper end of the car 7 to the lower end of the counterweight 8. The automatic low-speed inspection operation is performed within a range where the inspection operation is not performed. In step s7, the vehicle stops at the reference floor, which is a specific floor (usually the first floor), and at the car position 7b after the inspection operation,
Waiting for inspection by the operator. If the lower end of the car 7 and the counterweight 8 are stopped on the upper floor from the upper end of the counterweight 8 as shown in FIG. 2, the flow goes to step s3 to step s4. Then, a low-speed inspection operation is automatically performed within a range in which the top floor and the lower end of the car 7 do not touch the upper end of the counterweight 8. And stops at the floor near the reference floor, and waits for inspection at the car position 7b after the inspection operation. Further, the position of the car resting floor after the inspection operation flashes on the landing display 10 on the reference floor which is a specific floor. If the elevator operation control device detects an abnormality in the elevator during the automatic low-speed inspection operation, the inspection operation is immediately stopped (not shown). According to the present invention, at the position of the car at the time of the occurrence of the earthquake, the check operation of either the upper floor or the lower floor of the car's travel is performed, and the ride after the completion of the check operation is performed. The car rest floor is either the specific floor or the middle floor where the entrance of the building is located, and the worker only needs to perform half of the travel of the car for which no inspection operation has been performed. Since there is no need to search for a floor, the operation time for returning to operation can be reduced, and the labor for climbing the stairs to the machine room can be reduced by half in probability. In addition, in the case that has been stopped at the lower side than the lower end of the upper end of the car is the counterweight, it is possible to perform the inspection operation in a range in which the upper end of the car ride and the lowest floor is not applied to the lower end of the counterweight , riding in the case the lower end of the Rikago had hand stopped above side than the upper end of the counterweight, it is possible to perform the inspection operation to the extent that the lower end of the car ride to the top floor is not applied to the upper end of the counterweight, Even when the car or the counterweight is derailed and the inspection operation is performed, contact between the counterweight and each device around the car can be avoided, and damage to each device due to contact with the counterweight can be avoided. Can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an elevator operation control device showing a main configuration of an embodiment of the present invention. FIG. 2 is a sectional view of a hoistway showing an inspection operation range and a final stop floor when a car stops at a floor above an adjacent counterweight according to an embodiment of the present invention. FIG. 3 is a sectional view of a hoistway showing an inspection operation range and a final stop floor when a car stops at a floor below an adjacent counterweight according to an embodiment of the present invention. FIG. 4 is a flowchart showing a processing operation of an inspection operation when an elevator operation stop state due to an earthquake control operation is detected according to an embodiment of the present invention. [Description of Signs] 1 Elevator control device 1a Control device 1b Input / output device 2 Inspection operation device 2a Control device 2b Memory 2c Communication interface 3 Motor 4 Pulley 5 Rotary encoder 6 Main rope 7 Riding car 7a Car position 7b before inspection operation Car rest position 8 after inspection operation Counterweight 8a Counterweight position 8b before inspection operation Counterweight position 9 after inspection operation 9 Earthquake detector 10 Platform display

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-51-126646 (JP, A) JP-A-55-101576 (JP, A) JP-A-5-170387 (JP, A) 119482 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) B66B 1/00-5/28

Claims (1)

(57) [Claims] [Claim 1] Vibration detecting means which operates when the vibration of a building caused by an earthquake exceeds a predetermined value, and seismic control which controls an elevator to a stop state by operation of the vibration detecting means. In an elevator operation control device including an operation unit and an inspection operation unit that performs an inspection operation on an elevator that has been put into a halt state by the operation of the earthquake control operation unit, a car when the vibration detection unit operates. At the position, the inspection operation command means for instructing the range of the inspection operation, and the stop instruction means for instructing the rest floor of the car after the end of the inspection operation, the inspection commanded by the inspection operation command means The range of operation is such that the upper end of the car is higher than the lower end of the counterweight.
If stopped below, the bottom floor and the top of the car
Is within the range that does not touch the lower end of the counterweight.
If the lower end of the arm stops above the upper end of the counterweight
If the top floor and the bottom of the car are at the top of the counterweight
An operation control device for an elevator, characterized in that the range is not within the range .