JP5581572B2 - Elevator control device - Google Patents

Description

  The present invention relates to an elevator control device that appropriately controls an elevator when a long-period vibration control operation performed by generation of long-period ground motion or strong wind overlaps with a fire detection.

Non-Patent Document 1 below describes an elevator control operation when a normal earthquake occurs, that is, an earthquake control operation. Such seismic control operation is performed by stopping the car at the nearest floor at an early stage when “low gal” is detected by the S-wave seismic detector (the low detector in Non-Patent Document 1 is activated). The primary purpose is to ensure safety and prevent damage to elevator equipment.
In addition, during a fire fighting activity, the elevator that has been stopped by the control operation during an earthquake can be made operable by manually or automatically resetting the S-wave earthquake detector. That is, by resetting the S-wave earthquake detector, emergency operation necessary for fire fighting activities can be performed as much as possible.

On the other hand, in recent years, there are some which detect a slow shaking of a building that cannot be detected by a normal earthquake detector (for example, the above-described S-wave earthquake detector) and shift an elevator to a control operation.
For example, as a prior art, there is one described in Patent Document 1 below. In this elevator, the amount of horizontal displacement of the building and the duration of the shaking are detected, and the elevator is shifted to the control operation when a predetermined condition is satisfied. In this control operation, for example, the elevator is evacuated to a predetermined non-resonant floor to partially restrict the service or temporarily stop the service itself.

Explanation of Building Standards Act and related laws and regulations Elevator Technical Standards (Figure 2-75) JP 2005-324890 A

  If it is a thing of patent document 1, even if it is a case where a building shakes by generation | occurrence | production of a long-period ground motion or a strong wind, it becomes possible to control an elevator appropriately and to prevent damage, etc. of elevator equipment. . However, in this elevator, consideration is not given to a case where a fire occurs during the control operation. That is, when a firefighter who performs firefighting activities performs emergency operation for firefighting activities during the above-described control operation, a sufficient effect cannot be obtained.

  In addition, the control operation at the time of earthquake described in the nonpatent literature 1 is defined with respect to the normal ground motion (S wave) in which the shaking of a building converges in a short time. For this reason, it could not be applied to long-period ground motions in which the building shakes for several minutes or strong winds that last for several hours. That is, even if the long-period vibration detection device is reset to start emergency operation, the building continues to shake because of continued shaking, making smooth fire fighting activities difficult.

The present invention has been made to solve the above problems, and an object, even if over a prolonged shaking of the building by generation of long-period ground motion, fireman is using the elevator To provide an elevator control device capable of appropriately performing fire fighting activities.

The elevator control device according to the present invention includes a long-period vibration detecting device capable of detecting long-period vibration generated in a building due to long-period ground motion or strong wind, and a long-period vibration detecting device based on a detection result of the long-period vibration detecting device. A control operation control means for controlling the control operation and a changeover switch for switching the operation , the changeover switch having a closing position that is a spring back and a plurality of closing positions that are not springback, and a plurality of closing positions that are not springback one among a emergency operation you prioritize loading position required for firefighting than during control operation long-period vibration, another one of the plurality of input positions that are not spring back, the emergency operation A closing position that is not prioritized and is a springback is a closing position for carrying out an inspection operation for continuing the emergency operation .

According to the present invention, even if over a prolonged shaking of the building by generation of long-period ground motion, fireman will be able to properly carry out the firefighting uses an elevator.

  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.
FIG. 1 is a diagram showing an overall configuration of an elevator, and FIG. 2 is a diagram showing an emergency operation priority apparatus according to Embodiment 1 of the present invention. In FIG. 1, reference numeral 1 denotes an elevator hoistway provided in a building, 2 an elevator machine room provided above the hoistway 1, 3 an elevator car in the hoistway 1, and 4 an elevator hoistway 1. The car 3 is a counterweight that moves up and down in opposite directions, and 5 is a main rope that suspends the car 3 and the counterweight 4 like a fishing bottle. A part of the main rope 5 is wound around a driving sheave 7 and a deflecting wheel 8 of the hoisting machine 6 installed in the machine room 2, and moves in conjunction with the rotation of the driving sheave 7. To do. That is, when the driving sheave 7 is driven by the hoisting machine 6, the car 3 moves up and down in the hoistway 1.
In addition, 9 is an elevator hall provided on each service floor of the elevator (in FIG. 1, the first floor to the fourth floor of the building). A landing door device 10 is installed at each doorway leading from the landing 9 to the hoistway 1.

Reference numeral 11 denotes a control panel, and 12 denotes a long-period vibration detection device, both of which are installed in the machine room 2. The control panel 11 controls the operation of the entire elevator such as control of the hoisting machine 6. Further, the control panel 11 is connected to the car 3 by a control cable 13 in order to control various devices (none of them are shown) such as a display device and an announcement device installed in the car 3.
The long-period vibration detection device 12 is provided for detecting the shaking of a building due to long-period ground motion or strong wind. In other words, the long-period vibration detection device 12 generates a plurality of slow predetermined vibrations (long-period vibration) of a building that cannot be detected by an ordinary earthquake detector (for example, an S-wave earthquake detector). It is configured to be detected by level.

  Reference numeral 14 denotes a disaster prevention center provided in the building or in a facility close to the building. The disaster prevention center 14 is provided with a monitoring device 15 connected to the control panel 11 and always displays the state of the elevator. Further, an emergency operation priority device 16 (not shown in FIG. 1) as shown in FIG. 2 is provided in the disaster prevention center 14 or the car 3. This emergency operation priority device 16 fires in the building during a predetermined control operation corresponding to a case where the building is slowly shaken by long-period ground motion or strong wind, that is, during a long-period vibration control operation (including a resting state). This is a device for canceling the long-period vibration control operation and giving priority to emergency operation necessary for fire fighting activities.

  The emergency operation priority device 16 is configured by, for example, a changeover switch as shown in FIG. Here, “priority” shown in FIG. 2 indicates that emergency operation is prioritized over control operation during long-period vibration, “non-priority” indicates that emergency operation is not prioritized, and “inspection” indicates inspection operation described later. It means to carry out. Details will be described later. And this emergency operation priority apparatus 16 is operated by the firefighter who performs fire fighting activity at the time of a fire outbreak.

Next, specific functions and operations of the elevator control device will be described with reference to FIGS. FIG. 3 is a block diagram showing an elevator control apparatus according to Embodiment 1 of the present invention, FIG. 4 is a flowchart showing a long-period vibration control operation performed by the control apparatus shown in FIG. 3, and FIG. It is a flowchart which shows the emergency driving | running operation implemented by the control apparatus shown.
In FIG. 3, the control panel 11 includes a control operation control means 17, an operation determination means 18, a priority determination means 19, and an emergency operation control means 20.

  The control operation control means 17 has a function of controlling the control operation during the long period vibration based on the detection result (for example, the input signal for each level) of the long period vibration detection device 12. Specifically, the control operation control means 17 causes the car 3 (and the counterweight 4) to travel to a predetermined non-resonant floor by detecting a predetermined shaking of the building due to long-period ground motion or strong wind. Control to pause. That is, this operation prevents long objects such as the main rope 5 and the control cable 13 from resonating with the shaking of the building and coming into contact with or being caught by various installed devices (not shown) in the hoistway 1. To do.

  Hereinafter, based on FIG. 4, the specific operation | movement of long period vibration control operation is demonstrated. In the following, as an example, a case where two levels of detection levels (Lv1, Lv2) are set in the long-period vibration detection device 12 will be described.

  During normal operation of the elevator (S101), the control operation control means 17 always determines whether or not the Lv1 swing has been detected by the long-period vibration detector 12 (S102). Then, the normal operation is continued if the swing of Lv1 is not detected. On the other hand, when the swing of Lv1 is detected in S102, the display indicating that the swing of Lv1 is detected is displayed on each display device installed in the hall 9 and the car 3 and the external device such as the monitoring device 15 (S103). ).

  In addition, after the Lv1 swing is detected in S102, if the Lv1 swing is not detected, the display of the external device is turned off after a predetermined time has elapsed (for example, after 10 minutes), and the elevator is returned to normal operation. (S104, S105). Here, even if the Lv1 fluctuation is not detected, the display of the external device or the like is not erased until a predetermined time elapses because the detection level is low and the Lv1 fluctuation is likely to be detected again. This is to prevent the display of an external device or the like from blinking.

  If Lv1 is continuously detected in S104, it is determined whether or not Lv2 swing has been detected until Lv1 is not detected (S106). When the swing of Lv2 is detected in S106, first, in order to prohibit the use of the subsequent elevator, in S107, the already registered hall call and car call are canceled. Next, in order to perform a response according to the current state of the elevator, in S108, it is determined whether or not the elevator is traveling.

  If it is determined in S108 that the elevator is traveling, it is first determined whether or not a predetermined non-resonant floor exists in the current traveling direction of the elevator (S109). Here, when there is a non-resonant floor in the traveling direction, the control operation control means 17 causes the elevator to go straight to the non-resonant floor, gets off the passenger after landing, and stops the operation of the elevator (S110, S111).

On the other hand, if there is no non-resonant floor in the traveling direction in S109, the control operation control means 17 first makes the car 3 land on the nearest floor and get off the passenger (S112, S113). Further, it is determined whether or not the passenger getting off in S113 is completed within a predetermined time (for example, 1 minute) (S114), and if it is determined that the passenger getting off is completed within the predetermined time, the traveling speed is determined. Is lowered from the speed of normal operation, and the elevator travels to the non-resonant floor (S115). The above operation of S115 is based on the idea that if the elevator stop time is short, the amplitude of the main rope 5, the control cable 13, etc. will not grow to the extent that it contacts various installed devices in the hoistway 1. It is. Then, after the elevator has landed on the non-resonant floor, the operation of the elevator is stopped (S116).
Further, if it is determined in S114 that the passengers have not finished getting off within the predetermined time, the operation of the elevator is suspended on the current stop floor (S117). This is because if the elevator stop time is long, there is a high possibility that the main rope 5, the control cable 13, and the like resonate with the shaking of the building and are in contact with various installed devices in the hoistway 1.

If it is determined in S108 that the elevator is stopped, it is next determined whether or not the current stop floor is a predetermined non-resonant floor (S118). If the current stop floor is a non-resonance floor, the process proceeds to S111. If the current stop floor is not a non-resonance floor, the process proceeds to S113, and the same operation as described above is performed.
The above is the specific operation in the long-period vibration control operation.

On the other hand, the operation determination means 18 in the control panel 11 has a function of determining whether or not the elevator is operating in the long period vibration control operation. Specifically, the operation determination unit 18 performs the above determination based on a signal from the control operation control unit 17 (or the long-period vibration detection device 12). The priority determination means 19 determines which operation is prioritized based on the input signal from the emergency operation priority device 16. That is, the priority determination means 19 detects whether the emergency operation priority device 16 is put in “priority”, “non-priority”, or “inspection”.
Then, the emergency operation control unit 20 appropriately controls the emergency operation necessary for the fire fighting activity based on the determination results of the operation determination unit 18 and the priority determination unit 19. Specifically, the emergency operation control means 20 automatically travels from the top floor to the bottom floor with the elevator doors closed under predetermined conditions when the emergency operation priority device 16 cancels the long-period vibration control operation. By carrying out a predetermined inspection operation, the emergency operation is continued as much as possible while ensuring the safety of the firefighter.

Hereinafter, based on FIG. 5, the specific operation of the emergency operation will be described.
When a fire is detected during normal operation of the elevator and the firefighter performs a predetermined operation for starting an emergency operation to perform a fire extinguishing activity (S201), the emergency operation control means 20 first of the operation determination means 18 Based on the determination result, it is determined whether or not a building shake due to a long-period ground motion or the like is currently being detected, that is, whether or not a long-period vibration control operation is in operation (S202). When the shaking of the building is not detected in S202, the emergency operation control means 20 controls the emergency operation based on the operation of the firefighter or the like (S203).

  On the other hand, if the long-period vibration control operation is being performed in S202, the emergency operation control means 20 determines whether or not the emergency operation priority device 16 is on the “priority” side (S204). Here, when the emergency operation priority device 16 is not turned on to the “priority” side, the operation suspension by the long period vibration control operation is continued until the emergency operation priority device 16 is turned on to the “priority” side, and the elevator is made to wait as it is (S205). ).

When the emergency operation priority device 16 is turned on to the “priority” side by the operation of a firefighter or the like, the emergency operation control means 20 cancels the operation suspension by the long period vibration control operation, and first puts the elevator in a door open standby state. (S206). Further, when the operation suspension is canceled in S206, the emergency operation control means 20 determines whether or not the current elevator stop floor is a predetermined resonance floor. The resonance floor is a stop floor where the elevator is easily affected by the shaking of the building caused by long-period ground motion, for example, when the building slowly shakes due to long-period ground motion, etc. This means that the scale is a stop floor that easily resonates with the shaking of the building. (The non-resonant floor means a stop floor that is not the above-described resonance floor, or a specific stop floor in which the elevator is not easily affected by shaking of the building caused by long-period ground motion or the like.)
And when it determines with the elevator not having stopped on the resonance floor, emergency operation is continued and an elevator is operated based on operation of a firefighter.

  On the other hand, when the elevator is stopped at the resonance floor, the emergency operation control means 20 next determines whether or not the elevator is stopped at the resonance floor for a predetermined time or more (S207). In addition, when the elevator has not stopped at the resonance floor for a predetermined time or more, the possibility that the amplitude of the main rope 5 or the control cable 13 has grown to the extent that it contacts various installed devices in the hoistway 1 is extremely low. . For this reason, in such a case, the elevator is operated based on the operation of the firefighter and the emergency operation is continued (S208).

  On the other hand, when it is determined in S207 that the vehicle has stopped for a predetermined time or longer, the main rope 5 and the control cable 13 may be in contact with various installed devices in the hoistway 1 due to resonance with the shaking of the building. Is expensive. For this reason, the emergency operation control means 20 always performs an inspection operation before continuing the emergency operation, and performs control for permitting the elevator to continue the emergency operation when no abnormality is found in the inspection operation. Do.

  Specifically, when it is determined in S207 that the elevator has stopped at the resonance floor for a predetermined time or longer, the emergency operation control means 20 first displays each display device installed in the landing 9 or the car 3 and the monitoring device 15. An external device such as the above is used to notify the firefighter and the outside of the warning, and the elevator is kept in that state (S209).

  Next, the emergency operation control means 20 determines whether or not the emergency operation priority device 16 is put on the “inspection” side (S210). Here, if the emergency operation priority device 16 is not put on the “inspection” side, the process returns to S209 to continue the warning notification and the operation standby. On the other hand, when the emergency operation priority device 16 is input to the “inspection” side by the operation of a firefighter or the like, the emergency operation control means 20 starts an inspection operation for continuing the emergency operation. Specifically, first, if the elevator is open, the door is automatically closed (S211). Then, a predetermined inspection operation for automatically traveling the elevator from the top floor to the bottom floor is performed with the door closed, and after completion of the inspection operation, the elevator is stopped on the operation standby floor where the automatic traveling is started (S212). ).

  In the inspection operation, the abnormality of the elevator is detected based on the presence or absence of abnormal noise during traveling, the detection result of the abnormality detection device that detects equipment failure, the presence or absence of poor landing, and the like (S213). If an abnormality in the elevator is detected during or after the inspection operation, subsequent use of the elevator is prohibited. That is, the continuation of the subsequent emergency operation is prevented, and the elevator enters an operation stop state (S214). On the other hand, if it is determined in S213 that the elevator is normal, after the automatic door is opened, the elevator enters an operation standby state and waits for an emergency operation by the firefighter (S215). After S215, the emergency operation control means 20 returns to S207 and repeats the above operation.

  According to the first embodiment of the present invention, even if the long-period vibration control operation and the fire detection are overlapped, the firefighter can appropriately perform the firefighting activities using the elevator. Become. In other words, when the emergency operation priority device 16 cancels the long-period vibration control operation, the inspection operation is performed under a predetermined condition, so that the safety of the firefighter who uses the elevator after that can be ensured. . In particular, with the above configuration, when the elevator stops at the resonance floor for a predetermined time or longer after the long-period vibration control operation is canceled, the emergency operation cannot be continued unless the inspection operation is performed. For this reason, even when the building shakes for a long time, the safety of the firefighter is ensured and smooth firefighting activities are possible.

  In addition, the inspection operation is performed at a lower speed than the traveling speed of the normal operation in preparation for a case where the hoistway device or the like is damaged. With such a configuration, it is possible to prevent the spread of damage due to the inspection operation.

It is a figure showing the whole elevator composition. It is a figure which shows the emergency operation priority apparatus in Embodiment 1 of this invention. It is a block diagram which shows the control apparatus of the elevator in Embodiment 1 of this invention. It is a flowchart which shows the control driving operation | movement at the time of long-period vibration implemented by the control apparatus shown in FIG. It is a flowchart which shows the emergency driving | running operation implemented by the control apparatus shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Hoistway 2 Machine room 3 Car 4 Counterweight 5 Main rope 6 Hoisting machine 7 Drive sheave 8 Baffle 9 Landing 10 Landing door device 11 Control panel 12 Long period vibration detection device 13 Control cable 14 Disaster prevention center 15 Monitoring device 16 Emergency operation priority device 17 Control operation control means 18 Operation determination means 19 Priority determination means 20 Emergency operation control means

Claims (1)

A long-period vibration detector capable of detecting long-period vibrations generated in buildings due to long-period ground motion or strong winds;
Based on the detection result of the long-period vibration detection device, control operation control means for controlling the control operation during long-period vibration, and
A changeover switch for switching operation ,
The changeover switch has a closing position that is a spring back and a plurality of closing positions that are not a spring back,
Wherein one of the plurality of input positions that are not spring back, a making position you priority to emergency operation necessary firefighting than during control operation the long periodic oscillation,
The other one of the plurality of input positions that are not the springback is an input position that does not give priority to the emergency operation ,
The elevator control device according to claim 1, wherein the closing position as the springback is a closing position for performing an inspection operation for continuing the emergency operation .

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