JP2007197150A - Earthquake restoration operating method for elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an earthquake restoration operating method for an elevator for detecting abnormal sound in a peripheral part of a counterweight securely in an elevator device having a plurality of sets of elevators constituted by using a car and the counterweight suspended in a well bucket system by a suspension means such as a main rope as one set and elevating and lowering in a shaft. <P>SOLUTION: This earthquake restoration operating method for the elevator comprises a step for moving a car of the elevator on one side among two elevators being adjacent in the shaft up to the height in a predetermined vertical scope from the height of the counterweight of the elevator on the other side, and a step for elevating and lowering the car of the elevator on one side in the interlocking relationship with the counterweight of the elevator on the other side elevating and lowering in the shaft so that the height of the car of the elevator on one side and the height of the counterweight of the elevator on the other side are in a predetermined range and detecting abnormal sound by a sound collecting microphone provided in the car of the elevator on one side, to detect abnormal sound in the peripheral part of the counterweight by the sound collecting microphone provided in the car of the elevator adjacent to the inside of the shaft. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an elevator apparatus which is implemented after an earthquake occurs in an elevator apparatus in which a plurality of elevators, each of which includes a cage and a counterweight suspended in a fishing bottle type by suspension means such as a main rope, move up and down in one hoistway. Is related to the earthquake recovery operation method.

  In an earthquake recovery operation of an elevator that is carried out after an earthquake occurs and before returning to normal operation, for example, the car is moved to one terminal floor adjacent to it and then moved slowly to the other terminal floor. Diagnose the operation of various elevator equipment installed in hoistways and cars. If an abnormality is detected in the elevator equipment, appropriate measures are taken, such as returning to normal operation or urgently stopping the car and reporting to the outside according to the detected abnormality. Is done. In the conventional elevator earthquake recovery operation, the operation of the above equipment was diagnosed by detecting abnormal sounds using a sound collecting microphone, detecting abnormalities in the torque command to the motor driving the driving sheave, and the car. This was implemented based on detection of abnormal output of the scale device.

  In addition, as a conventional technology for earthquake recovery operation based on the detection of abnormal sound with a sound collecting microphone, abnormal sound is detected from the acoustic data collected by the sound collecting microphone, and normal operation is performed according to the level of the detected abnormal sound. There have been proposed ones that perform a return to the inspection, transmission of an inspection request signal to the monitoring center, and the like (for example, see Patent Document 1).

JP-A-6-247657

  According to the method described in Patent Document 1, after an earthquake occurs, the car moves up and down in the hoistway at a low speed, and sound data is collected by a sound collecting microphone provided in the car, and the sound collected while the car is raised and lowered. The operation of the equipment was diagnosed based on the data. Therefore, in the earthquake restoration operation by the above method, it is possible to detect abnormal noise generated from equipment installed in the car or equipment installed on the hoistway wall, etc., but the car is in the reverse direction. It was not possible to detect abnormal sounds generated from counterweights that move up and down in the hoistway, and abnormal sounds generated from equipment installed around the counterweight and moving up and down the hoistway with the counterweights. .

  The present invention has been made to solve the above-described problems. The purpose of the present invention is to provide a plurality of sets of elevators, each of which includes a cage and a counterweight suspended by a suspension means such as a main rope. In an elevator apparatus that moves up and down in one hoistway, it is an object of the present invention to provide an elevator earthquake recovery operation method that can reliably detect abnormal sounds around the counterweight.

  The elevator restoration operation method according to the present invention is implemented after an earthquake occurs in an elevator apparatus in which a plurality of elevators, each of which includes a cage and a counterweight suspended in a fishing bottle type by a suspension means, move up and down in one hoistway. An earthquake recovery operation method in which one of two elevators adjacent in a hoistway is moved from the height of a counterweight of the other elevator to a height within a predetermined range, The elevator car of one elevator is moved up and down in conjunction with the counterweight of the other elevator that moves up and down in the hoistway so that the height of the elevator car of one elevator and the height of the balance weight of the other elevator are within a predetermined range. And a step of detecting an abnormal sound with a sound collecting microphone provided in one elevator car.

  Further, the elevator restoration operation method according to the present invention is an elevator apparatus in which a plurality of elevators, each of which includes a cage and a counterweight suspended by a suspension means, move up and down in one hoistway after an earthquake occurs. An earthquake recovery operation method to be performed, comprising: diagnosing operation of equipment of one elevator by one elevator out of two elevators adjacent in a hoistway; and one elevator by diagnosis by one elevator If no abnormality is detected in the other equipment, the step of moving the elevator car of one elevator from the height of the counterweight of the other elevator to a height within a predetermined range, and the height of the elevator car of one elevator The other elevator that moves up and down in the hoistway so that the height of the counterweight of the other elevator is within a predetermined range. With elevating the cage of one of the elevators in conjunction with the counterweight, it is obtained and a step of detecting an abnormal sound by the sound collecting microphone installed on the car of one of the elevator.

  Further, the elevator restoration operation method according to the present invention is an elevator apparatus in which a plurality of elevators, each of which includes a cage and a counterweight suspended by a suspension means, move up and down in one hoistway after an earthquake occurs. An earthquake recovery operation method to be performed, comprising: diagnosing operation of equipment of one elevator by one elevator out of two elevators adjacent in a hoistway; and one elevator by diagnosis by one elevator If no abnormality is detected in the other equipment, the step of moving the elevator car of one elevator from the height of the counterweight of the other elevator to a height within a predetermined range above and below the other elevator Diagnose the operation of equipment and balance the height of one elevator car with the other A sound collecting microphone provided in one elevator car that raises and lowers one elevator car in conjunction with the balance weight of the other elevator moving up and down in the hoistway so that the height of the weight falls within a predetermined range. And detecting an abnormal sound.

  The present invention includes a step of moving one elevator car out of two elevators adjacent in a hoistway from the height of a counterweight of the other elevator to a height within a predetermined range, and the elevator car of one elevator The elevator car of one elevator is moved up and down in conjunction with the balance weight of the other elevator moving up and down in the hoistway so that the height of the other elevator and the balance weight of the other elevator are within a predetermined range. And a step of detecting an abnormal sound by a sound collecting microphone provided in the car, so that a plurality of sets of a pair of a cage and a counterweight suspended in a fishing bottle type by a suspension means such as a main rope. In the elevator apparatus in which the elevator moves up and down in one hoistway, abnormal noise around the counterweight can be reliably detected.

  In order to explain the present invention in more detail, it will be described with reference to the accompanying drawings. In addition, in each figure, the same code | symbol is attached | subjected to the part which is the same or it corresponds, The duplication description is simplified or abbreviate | omitted suitably.

Embodiment 1 FIG.
1 is a front view showing an elevator apparatus according to Embodiment 1 of the present invention, and FIG. 2 is a system configuration diagram of the elevator apparatus according to Embodiment 1 of the present invention, which is suspended in a fishing bottle type by suspension means such as a main rope. An elevator apparatus is shown in which a plurality of elevators each including a car and a counterweight are moved up and down in one hoistway. In the first embodiment, as an example, a case will be described in which two sets of elevators, an elevator A and an elevator B, are arranged adjacent to each other in one hoistway.

  1 and 2, 1 is a hoistway, 2 is a machine room provided above the hoistway 1, 3 is an elevator A car, 4 is an elevator A counterweight, and the car 3 and the counterweight 4 are Is suspended in a fishing bottle type by the main rope 5 and moves up and down in the hoistway 1 in opposite directions. In addition, 6a is installed in a machine room 2 that is directly above the car 3, and a driving sheave of the hoisting machine 6 around which a part of the main rope 5 is wound, and 7 is a machine room that is directly above the counterweight 4. 2 is a baffle wheel in which a part of the main rope 5 is wound, 8 is provided on the upper surface of the car 3, and a sound collecting microphone for collecting sound around the car 3, 9 is an interior of the car 3 And a sound collecting microphone for collecting the sound inside the car 3.

  Further, reference numeral 10 denotes an elevator B car arranged in parallel with the elevator A, 11 denotes a balance weight of the elevator B. The car 10 and the balance weight 11 are suspended in a fishing bottle type by a main rope 12 and pass through the hoistway 1. Move up and down in opposite directions. In addition, 13a is installed in the machine room 2 that is directly above the car 10, and a driving sheave of the hoisting machine 13 around which a part of the main rope 12 is wound, and 14 is a machine room that is directly above the counterweight 11. 2 is a baffle wheel in which a part of the main rope 12 is wound, 15 is provided on the upper surface of the car 10, etc., and a sound collecting microphone for collecting sounds around the car 10, 16 is an interior of the car 10 Is a sound collecting microphone that collects sound inside the car 10. Here, the main rope 5 and the main rope 12 can be replaced by other suspension means such as a belt.

  In the elevator A of the elevator apparatus having such a configuration, the main rope 5 moves in conjunction with the rotation of the drive sheave 6a by the frictional force generated between the main rope 5 and the rope groove of the drive sheave 6a. The car 3 and the counterweight 4 suspended on the hoistway 1 move up and down in the hoistway 1 in opposite directions. In the elevator B, the main rope 12 is moved in conjunction with the rotation of the driving sheave 13a by the frictional force generated between the main sheave 12a and the sheave groove of the driving sheave 13a. 10 and the counterweight 11 move up and down in the hoistway 1 in opposite directions. Note that the elevator A and the elevator B are operated independently of each other.

  Reference numeral 17 denotes control of a motor and a brake device provided in the hoisting machine 6, control of an operation panel and door drive device provided in the car 3, analysis of acoustic data collected by the sound collecting microphones 8 and 9, A control panel that controls various types of control related to the elevator A such as storage, 18 is a notification device connected to the control panel 17 of the elevator A via a communication line, and 19 has the same configuration and operation as the control panel 17, and relates to the elevator B A control panel 20 for controlling various controls is a notification device connected to the control panel 19 of the elevator B by a communication line. The notification devices 18 and 20 of each elevator are connected to each other by communication lines, and various information is input / output between the elevators A and B via the notification devices 18 and 20. Reference numeral 21 denotes an external monitoring center connected to the elevator apparatus via a telephone line or the like. For example, the monitoring center 21 is connected to the notification apparatus 18 via a telephone line and is connected to each elevator via the notification apparatuses 18 and 20. Connected to A and B.

  In the first embodiment, the case where two sets of elevators A and B are arranged side by side is described. However, on the specifications of the elevator apparatus, it is possible to increase the number of elevators up to the maximum number allowed. When three or more sets of elevators are juxtaposed, the reporting devices provided in each elevator are connected to each other by communication lines, and information is input / output between the elevators via these reporting devices. . And communication with an elevator apparatus (each elevator) and the monitoring center 21 is ensured by connecting one of several reporting apparatuses (for example, the reporting apparatus 18) and the monitoring center 21 by a telephone line etc. FIG.

  Next, the earthquake restoration operation performed after the occurrence of the earthquake in the elevator apparatus having the above configuration will be described. FIG. 3 is a flowchart showing the operation of the elevator earthquake recovery operation in Embodiment 1 of the present invention. In FIG. 3, when an earthquake occurs during normal operation in elevators A and B, the earthquake shake is detected by an earthquake detector (not shown), and earthquake occurrence information is input to the elevator device from this earthquake detector. Is done. In the elevator apparatus that has been informed of the occurrence of an earthquake by inputting earthquake occurrence information, the cars 3 and 10 are urgently stopped in the hoistway 1 in consideration of passenger safety. Specifically, after the earthquake occurrence information is input, an emergency stop command is output from the notification devices 18 and 20 to the control panels 17 and 19, and the drive sheaves 6 a and 13 a are braked by the control panels 17 and 19. Is done.

  After the emergency stop of the cars 3 and 10, the elevator apparatus performs a rescue operation to rescue the passengers in the cars 3 and 10 in order to prevent the passengers from being trapped in the cars 3 and 10 and falling into a canned state. . Specifically, a rescue operation command is output from the reporting devices 18 and 20 to the control panels 17 and 19, and the cars 3 and 10 travel to the nearest stop floor by the control panels 17 and 19 to which the rescue operation command is input. Is done. Then, after the nearest floor is stopped, the door-open state is maintained for a predetermined time, and after the predetermined time sufficient for the passenger to leave the cars 3 and 10, the door-closing operation is started.

  In addition, when the door closing operation is completed and the rescue operation is completed, before the normal operation of the elevators A and B is resumed, the earthquake recovery operation for diagnosing whether there are any abnormalities in the various devices of the elevators A and B Is started. Specifically, after the rescue operation is completed, it is first detected by a scale device or the like that there are no passengers in the cars 3 and 10. Then, after confirming that there are no passengers in the cars 3 and 10, the notification device 18 outputs an earthquake recovery operation start command to the control panel 17 (step S101). When the start command for the earthquake recovery operation is input, in the elevator A, the earthquake recovery operation is started by the control panel 17 (step S102), and first, the operation of various devices provided in the elevator A is diagnosed by the elevator A. A diagnostic operation is performed.

  In the diagnostic operation of the elevator A, for example, the control panel 17 causes the car 3 to travel from the stopped landing (place) to the landing on one terminal floor adjacent thereto, and then moves the car to the terminal on the other side. While moving at a low speed to the floor, the operation of various devices of the elevator A installed in the hoistway 1 or the car 3 is diagnosed. Such diagnosis includes, for example, detection of abnormal sound by the sound collecting microphones 8 and 9, detection of abnormality of torque command to the motor that drives the driving sheave 6a, detection of abnormality of output of the scale device provided in the car 3, and the like. Based on. If the diagnosis operation is not performed and abnormality of various devices of the elevator A is not diagnosed, and the diagnosis operation is successful, the control panel 17 notifies the notification device 18 of the success of the diagnosis operation (Step S103, S108). On the other hand, when an abnormality is detected in any of the various devices of the elevator A by the diagnostic operation, measures such as stopping the diagnostic operation after emergency stopping the car 3 are taken according to the detected abnormality. To be implemented. Then, after the diagnosis operation of the elevator A is completed or after the diagnosis operation is stopped, the failure of the diagnosis operation is notified from the control panel 17 to the notification device 18 (steps S103 and S104). In addition, when the failure of the diagnostic operation is notified from the control panel 17 to the notification device 18, the elevator A cannot be returned to the normal operation thereafter. The earthquake recovery operation will also end at the same time.

  When the notification device 18 is notified that the diagnostic operation of the elevator A has failed and the earthquake recovery operation of the elevator A is completed, the earthquake recovery operation of the elevator B is then started. Specifically, an earthquake recovery operation execution command is output from the elevator A notification device 18 to the elevator B notification device 20 (step S105), and control is performed from the notification device 20 to which the earthquake recovery operation execution command is input. An earthquake recovery operation start command is output to the panel 19 (step S106). When the start command for the earthquake recovery operation is input, in the elevator B, the earthquake recovery operation is started by the control panel 19 and the diagnosis operation for diagnosing the operation of various devices provided in the elevator B by the elevator B is performed. To be implemented. The contents of the diagnostic operation performed in the elevator B are basically the same as the diagnostic operation performed in the elevator A. In addition, after the diagnosis operation is completed, the success or failure of the diagnosis operation is notified from the control panel 19 to the notification device 20 (step S107).

  On the other hand, when the control panel 17 notifies the notification device 18 of the success of the diagnostic operation of the elevator A (step S108), the elevator A is started before the earthquake recovery operation of the elevator B is started. Car position adjustment is performed by moving the car 3 from the height of the counterweight 11 of the elevator B to a height within a predetermined range in the vertical direction. Specifically, first, the current stop position information of the car 10 is acquired from the notification device 20 of the elevator B by the notification device 18 of the elevator A (step S109). In addition, when the current stop position information of the counterweight 11 is provided in advance in the notification device 20 or the control panel 19 of the elevator B, the notification device 18 directly acquires the stop position information of the counterweight 11. You may comprise as follows.

  Then, the reporting device 18 that has acquired the stop position information of the car 10 calculates the stop position of the counterweight 11 of the elevator B based on the stop position information of the car 10. A car position adjustment command for making the stop position of the car 3 the same as the stop position of the counterweight 11 of the elevator B is output (step S110). Then, the rotation of the drive sheave 6a is controlled by the control panel 17 to which the car position adjustment command is input so that the stop position of the elevator car 3 is the same as the stop position of the counterweight 11 of the elevator B. (Step S111).

  When the car 3 of the elevator A is moved to the same height as the stop position of the counterweight 11 of the elevator B and the car position adjustment is completed, the earthquake recovery operation of the elevator B is started. More specifically, the elevator A notification device 18 outputs an earthquake recovery operation execution command to the elevator B notification device 20 (step S112), and the earthquake recovery operation execution command is input from the notification device 20 to control. An earthquake recovery operation start command is output to the panel 19 (step S113). Then, when an earthquake recovery operation start command is input, in the elevator B, the earthquake recovery operation is started by the control panel 19 (step S114), and the operation of various devices provided in the elevator B is diagnosed by the elevator B. A diagnostic operation is performed.

  Note that, in the elevator B, basically, the diagnostic operation having the same content as that performed in the elevator A is performed. That is, in the diagnostic operation of the elevator B, for example, the control panel 19 causes the car 10 to travel to the landing on one terminal floor adjacent to the landing (location) where the car 10 is stopped, and then moves the car to the other side. While moving to the final floor at a low speed, the operation of various devices of the elevator B installed in the hoistway 1 or the car 10 is diagnosed. On the other hand, while the diagnosis operation of the elevator B is being carried out, the elevator A moves up and down by the control panel 17 so that the height of the car 3 of the elevator A and the height of the counterweight 11 of the elevator B are within a predetermined range. The car 3 is moved up and down in conjunction with the counterweight 11 that moves up and down in the road 1, and an abnormal sound around the car 3, that is, an abnormal sound around the counterweight 11 by the sound collecting microphone 8 provided in the car 3. Is detected. That is, the abnormal sound diagnosis operation of the elevator B is performed in which the abnormal sound around the counterweight 11 is detected by the elevator A and the operation of the counterweight 11 and the devices around the counterweight 11 is diagnosed.

  In the first embodiment, since two kinds of sound collecting microphones 8 and 9 are provided in the car 3 of the elevator A, the sound around the car 3 is collected during the abnormal sound diagnosis operation of the elevator B. Although the abnormal sound around the counterweight 11 is detected only by the sound collecting microphone 8, the abnormal sound diagnosis operation of the elevator B is performed in order to make the abnormal sound detection more reliable. At this time, the sound collecting microphones 8 and 9 may be configured to detect abnormal sounds around the counterweight 11. Further, when the elevator 3 car 3 is provided with only one sound collecting microphone, the sound collecting microphone is provided for collecting sound around the car 3 or the car 3. Regardless of whether it is provided for collecting internal sound, or provided for collecting both the car 3 peripheral part and internal sound, the sound collecting microphone is used by the elevator. Abnormal sound detection in the diagnostic operation of A or abnormal sound detection in the periphery of the counterweight 11 in the abnormal sound diagnosis operation of the elevator B may be performed.

  Further, in the elevator A, in the diagnostic operation by the elevator A, the abnormal sound is detected by the sound collecting microphones 8 and 9 when the car 3 is moved between the terminal floors, and the diagnosis of the elevator A is performed. It is assumed that the operation has been successful, that is, no abnormal sound has been detected by the sound collection microphones 8 and 9. Therefore, when an abnormal sound is detected by the sound collecting microphone 8 during the abnormal sound diagnosis operation, it is not an abnormal sound generated from the equipment of the elevator A, but the balance weight 11 itself of the elevator B or the vicinity of the balance weight 11. It is determined that the noise is an abnormal sound generated from the equipment that is installed in the section and moves up and down the hoistway 1 together with the counterweight 11. When abnormal sound is detected by the sound collecting microphone 8 of the elevator A during the abnormal sound diagnosis operation, the level of the detected abnormal sound and the type (frequency, occurrence location) of the abnormal sound are set in advance. Depending on the determination criteria, measures such as stopping the diagnostic operation of the elevator B are implemented.

  Specifically, the acoustic data collected by the sound collection microphone 8 during the abnormal sound diagnosis operation is recorded and analyzed by the control panel 17. And when abnormality is detected by the analysis result by the control panel 17, an abnormal sound signal is output from the control panel 17 to the notification device 18, and the notification of the elevator B from the notification device 18 to which the abnormal sound signal is input. A diagnostic operation stop signal is output to the device 20. When the stop signal is input, in the elevator B, the diagnostic operation is stopped by the control panel 19 and the rotation of the drive sheave 13a is braked. Note that the difference between the height of the car 3 and the height of the counterweight 11 during the abnormal sound diagnosis operation is such that the abnormal sound around the counterweight 11 can be reliably collected by the sound collecting microphone 8. It falls within a predetermined range based on the performance of the microphone 8 and the like.

  And when abnormality of the various apparatuses of the elevator B is not detected by the diagnostic driving | operation implemented by the elevator B, after the diagnostic driving | operation completion, the success of the diagnostic driving | operation from the control panel 19 with respect to the notification apparatus 20, When abnormality is detected for various devices of the elevator B during the diagnostic operation, a failure of the diagnostic operation is reported (step S107). Further, when the abnormal sound diagnosis operation of the elevator B performed by the elevator A does not detect any abnormality in the counterweight 11 and the devices around the counterweight 11, the control panel 17 notifies the notification device 18. If the abnormal sound diagnosis operation is successful and an abnormality such as the counterweight 11 is detected, the failure of the abnormal sound diagnosis operation is reported.

  After that, the result of the diagnosis operation of the elevator B is notified from the notification device 20 to the notification device 18 (step S115), and the result of the earthquake recovery operation of the elevators A and B from the notification device 18 to the external monitoring center 21. Is reported (step S116). That is, the reporter 18 sends the monitoring center 21 the diagnosis operation result of the elevator A that is the diagnosis operation result of the elevator A, the diagnosis operation result of the elevator B, and the abnormal sound diagnosis operation result of the elevator B by the elevator A. The result of the earthquake recovery operation of elevator B consisting of

  According to the first embodiment of the present invention, in an elevator apparatus in which elevators A and B move up and down in one hoistway 1, the elevators A and B are installed around the counterweight 11 and the counterweight 11 of the elevator B and are lifted together with the counterweight 11. It is possible to reliably detect abnormal sounds generated from devices moving up and down in the road 1. That is, since elevators A and B are provided adjacent to each other in one hoistway 1, abnormal sounds around the counterweight 11 are collected by the sound collecting microphone 8 provided in the car 3 that runs parallel to the counterweight 11. Can be reliably detected, and it is possible to diagnose the devices installed in the periphery of the counterweight 11 that has not been diagnosed in the past, so that the diagnosis accuracy of the earthquake recovery operation can be further improved. In addition, since there is no need to add a special device, a device equipped with a program for executing the earthquake recovery operation is added to an existing elevator device, or a program for executing the earthquake recovery operation is provided. By adding to an existing elevator device, it is possible to easily cope with an elevator device currently in operation.

  In the earthquake restoration operation by the above method, only the abnormal sound generated from the periphery of the balance weight 11 of the elevator B is detected. Therefore, the abnormal sound generated from the periphery of the balance weight 4 of the elevator A is detected below. The case where it does is demonstrated. FIG. 4 is a flowchart showing another operation of the earthquake recovery operation of the elevator according to the first embodiment of the present invention, and shows the operation when detecting abnormal noise generated from the periphery of the balance weight 4 of the elevator A. Is. In FIG. 4, steps S201 to S214 are the same as steps S101 to S114 in FIG. 3, and a description thereof will be omitted.

  About the various equipment of the elevator B by the earthquake recovery operation of the elevator B performed in step S214, that is, the diagnostic operation of the elevator B performed by the elevator B and the abnormal sound diagnostic operation of the elevator B performed by the elevator A When an abnormality is detected (step S215), after the control panel 19 reports the success or failure of the diagnostic operation of the elevator B to the notification device 20 (step S207), the notification device 20 notifies the notification device 18. Is notified of the result of the diagnostic operation (step S216). The control panel 17 notifies the notification device 18 of the success or failure of the abnormal sound diagnosis operation.

  On the other hand, in the earthquake recovery operation of the elevator B performed in step S214, if no abnormality is detected in the various devices of the elevator B, the control panel 19 notifies the notification device 20 of the success of the diagnostic operation. (Step S217). Then, after the notification device 20 notifies the notification device 18 of the success of the diagnostic operation (step S218), the abnormal sound diagnosis operation of the elevator A is performed by the elevator B.

  Specifically, the car position adjustment is first performed by moving the car 10 of the elevator B from the height of the counterweight 4 of the elevator A to a height within a predetermined range in the vertical direction. That is, the current stop position information of the car 3 or the counterweight 4 is acquired from the elevator A notification device 18 by the elevator B notification device 20 (step S219). Then, the stop position of the car 10 of the elevator B is made the same as the stop position of the counterweight 4 of the elevator B to the control panel 19 from the reporting device 20 that acquired the current stop position information of the car 3 or the counterweight 4. A car position adjustment command is output (step S220), and the control panel 19 controls the rotation of the drive sheave 13a. When the car 10 of the elevator B is moved to the same height as the stop position of the counterweight 4 of the elevator A (step S221) and the car position adjustment is completed, the abnormal sound diagnosis operation of the elevator A is performed by the elevator B.

  Specifically, an elevator B abnormal sound diagnosis operation start command is output from the elevator B reporting device 20 to the control panel 19 (step S222), and the elevator B detects abnormal sounds around the counterweight 4. Then, the abnormal sound diagnosis operation of the elevator A for diagnosing the operation of the counterweight 4 and the devices around the counterweight 4 is started (step S223). That is, the balance weight 4 of the elevator A is raised and lowered over the hoistway 1, and in the elevator B, the height of the elevator car 10 and the height of the balance weight 4 of the elevator A are predetermined by the control panel 19. The car 10 is moved up and down in conjunction with the counterweight 4 that moves up and down in the hoistway 1 so as to be within the range, and the sound collecting microphone 15 provided in the car 10 causes abnormal sounds around the car 10, that is, Abnormal sound around the counterweight 4 is detected.

  In the first embodiment, since the two types of sound collecting microphones 15 and 16 are provided in the car 10 of the elevator B, the sound around the car 10 is collected during the abnormal sound diagnosis operation of the elevator A. Although the abnormal sound around the counterweight 4 is detected only by the sound collecting microphone 15, the abnormal sound diagnosis operation of the elevator A is performed in order to make the detection of the abnormal sound more reliable. In this case, the sound collecting microphones 15 and 16 may be configured to detect abnormal sounds around the counterweight 4. Further, when the elevator 10 car 10 has only one sound collecting microphone, the sound collecting microphone is provided for collecting sound around the car 10 or the car 10. Regardless of what is provided for collecting internal sound, or what is provided for collecting both the car 10 periphery and internal sound, the sound collecting microphone is used to Abnormal sound detection in the diagnostic operation of B or abnormal sound detection in the periphery of the counterweight 4 in the abnormal sound diagnosis operation of the elevator A may be performed.

  Further, since the diagnosis operation has already been successful in the elevator B, the abnormal sound diagnosis operation is premised on that no abnormal sound is generated from the equipment of the elevator B. For this reason, when an abnormal sound is detected by the sound collecting microphone 15 during the abnormal sound diagnosis operation, it is installed in the counterweight 4 itself of the elevator A or in the periphery of the counterweight 4 and together with the counterweight 4 in the hoistway 1. It is determined that this is an abnormal sound generated from the equipment that moves up and down. If abnormal sound is detected by the sound collecting microphone 15 of the elevator B during the abnormal sound diagnosis operation, the abnormal sound of the elevator A is determined in accordance with a predetermined criterion such as the level of the detected abnormal sound. Measures such as cancellation of diagnostic operation are implemented.

  If no abnormal sound is detected by the abnormal sound diagnosis operation of the elevator A performed by the elevator B, the abnormal sound diagnosis operation is successful from the control panel 19 to the notification device 20, and the abnormal sound is detected. If an abnormal sound from the periphery of the counterweight 4 is detected during the diagnostic operation, the failure of the abnormal sound diagnostic operation is reported (step S224). Thereafter, the reporting device 20 reports the result of the abnormal sound diagnosis operation of the elevator A to the reporting device 18 (step S225), and the reporting device 18 performs the earthquake recovery operation of the elevators A and B to the external monitoring center 21. Is reported (step S226). That is, the reporter 18 sends the diagnosis operation result by the elevator A to the monitoring center 21, the result of the earthquake recovery operation of the elevator A composed of the abnormal sound diagnosis operation result of the elevator A by the elevator B, and the diagnosis operation by the elevator B. The result of the earthquake recovery operation of the elevator B including the result and the abnormal sound diagnosis operation result of the elevator B by the elevator A is reported.

  By the earthquake restoration operation by such a method, it is possible to reliably detect abnormal sounds generated in the vicinity of the balance weights 4 and 11 of the elevators A and B, and it is possible to further improve the diagnosis accuracy of the earthquake restoration operation.

Embodiment 2. FIG.
FIG. 5 is a front view showing an elevator apparatus according to Embodiment 2 of the present invention. In FIG. 5, reference numeral 22 denotes a sound collecting microphone that is provided on the counterweight 4 of the elevator A and collects sound around the counterweight 4. The rest of the configuration is the same as that of the first embodiment.

  In the elevator apparatus having such a configuration, in the earthquake recovery operation performed after the occurrence of the earthquake, the balance weight is obtained by the sound collecting microphone 22 in the diagnosis operation in which the operation of various devices provided in the elevator A is diagnosed by the elevator A. 4 Abnormal sound around the periphery is detected. When an abnormality is detected by the diagnostic operation or when an abnormal sound is detected by the sound collecting microphone 22, the failure of the diagnosis operation of the elevator A is notified to the notification device 18, and the diagnosis operation of the elevator B is performed. Migrate to Further, when the above-described diagnostic operation is successful and no abnormal sound is detected by the sound collecting microphone 22, the diagnosis operation of the elevator B and the abnormality of the elevator B caused by the elevator A are performed as in the first embodiment. Both sound diagnosis operations are carried out.

  According to the second embodiment of the present invention, the abnormal sound around the counterweight 4 of the elevator A is already detected during the diagnostic operation of the elevator A. Therefore, after the diagnostic operation of the elevator B and the abnormal sound diagnostic operation are performed. Thus, it is not necessary to perform the abnormal sound diagnosis operation of the elevator A by the elevator B, and the time required for the earthquake recovery operation can be shortened compared to the case of the first embodiment. Even if three or more sets of elevators are installed in one hoistway 1, if a sound collecting microphone is provided only at the balance weight of the elevator that performs diagnostic operation first, the second embodiment and It is possible to achieve the same effect. For other elevators, abnormal sounds around the counterweight can be detected by a sound collecting microphone provided in an adjacent elevator car that has been successfully diagnosed. It ’s fine. Therefore, it is possible to simplify the installation work of the sound collecting microphone and the cords connected to the sound collecting microphone, and it is possible to reliably detect the abnormal sound generated from the periphery of the balance weight of all elevators.

It is a front view which shows the elevator apparatus in Embodiment 1 of this invention. 1 is a system configuration diagram of an elevator apparatus according to Embodiment 1 of the present invention. It is a flowchart which shows the operation | movement of the earthquake restoration driving | operation of the elevator in Embodiment 1 of this invention. It is a flowchart which shows the other operation | movement of the earthquake restoration driving | operation of the elevator in Embodiment 1 of this invention. It is a front view which shows the elevator apparatus in Embodiment 2 of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Machine room 3, 10 Car 4,11 Counterweight 5,12 Main rope 6,13 Hoisting machine 6a, 13a Drive sheave 7,14 Baffle 8,9,15,16,22 Sound collecting microphone 17 , 19 Control panel 18, 20 Reporting device 21 Monitoring center

Claims (5)

An earthquake recovery operation method that is performed after an earthquake occurs in an elevator apparatus in which a plurality of sets of elevators, each of which includes a cage and a counterweight suspended by a suspension means in one hoistway,
Moving the elevator car of one of the two elevators adjacent in the hoistway from the height of the counterweight of the other elevator to a height within a predetermined range;
The one elevator is interlocked with the balance weight of the other elevator moving up and down in the hoistway so that the height of the elevator car of the one elevator and the height of the balance weight of the other elevator are within a predetermined range. A step of raising and lowering the car and detecting an abnormal sound by a sound collecting microphone provided in the car of the one elevator,
An elevator earthquake recovery operation method characterized by comprising: An earthquake recovery operation method carried out after an earthquake occurs in an elevator apparatus in which a plurality of elevators, each of which includes a cage and a counterweight suspended by a suspension means in one hoistway,
Diagnosing the operation of the equipment of the one elevator by one of the two elevators adjacent in the hoistway;
When no abnormality is detected in the equipment of the one elevator by the diagnosis by the one elevator, the elevator car of the one elevator is moved from the height of the counterweight of the other elevator to a height within a predetermined range above and below Step to
The one elevator is interlocked with the balance weight of the other elevator moving up and down in the hoistway so that the height of the elevator car of the one elevator and the height of the balance weight of the other elevator are within a predetermined range. A step of raising and lowering the car and detecting an abnormal sound by a sound collecting microphone provided in the car of the one elevator,
An elevator earthquake recovery operation method characterized by comprising: An earthquake recovery operation method that is performed after an earthquake occurs in an elevator apparatus in which a plurality of sets of elevators, each of which includes a cage and a counterweight suspended by a suspension means in one hoistway,
Diagnosing the operation of the equipment of the one elevator by one of the two elevators adjacent in the hoistway;
When no abnormality is detected in the equipment of the one elevator by the diagnosis by the one elevator, the elevator car of the one elevator is moved from the height of the counterweight of the other elevator to a height within a predetermined range above and below Step to
The hoistway is configured so that the operation of the other elevator equipment is diagnosed by the other elevator, and the height of the elevator car of the one elevator and the height of the counterweight of the other elevator are within a predetermined range. Interlocking with a counterweight of the other elevator that moves up and down in the elevator, raising and lowering the elevator car of the one elevator, and detecting abnormal sounds with a sound collecting microphone provided in the elevator car of the one of the above,
An elevator earthquake recovery operation method characterized by comprising: When no abnormality is detected in the equipment of the other elevator by the diagnosis by the other elevator, and when no abnormal sound is detected by the sound collecting microphone provided in the elevator car of the other elevator, Moving the elevator car from the height of the counterweight of one elevator to a height within a predetermined range above and below;
The other elevator is interlocked with the balance weight of the one elevator moving up and down in the hoistway so that the height of the other elevator car and the height of the balance weight of the one elevator are within a predetermined range. Raising and lowering the car and detecting abnormal sound with a sound collecting microphone provided in the other elevator car; and
An elevator earthquake recovery operation method according to claim 3, comprising:   The abnormal sound is detected by a sound collecting microphone provided in a counterweight of one elevator when diagnosing the operation of the equipment of the one elevator by one elevator. The earthquake restoration operation method of the elevator as described in 4.

Images