JP5615410B1 - Elevator operation control system - Google Patents

Abstract

In the prior art, for example, there is room for further improvement in terms of operation during a power failure. An elevator operation control system according to an embodiment includes a plurality of elevators, a private generator, and a control device. The control device can be executed by switching between normal operation and continuous operation at the time of power failure in which the elevator is operated by power from the continuous operation device at power failure at the time of power failure of the power source for power. The control device can execute the following control when the private power generator is started after the power supply for power is interrupted and the plurality of elevators are switched from the normal operation to the continuous operation at the time of the power failure. The control device can execute control for switching at least one of the plurality of elevators from the continuous operation during power failure to the private power generation operation and continuing the continuous operation during power failure of the remaining elevators. The control device can execute control for switching between the private power generation operation and the continuous operation during a power failure based on the remaining power storage amount of the power storage device of the continuous operation device during a power failure. [Selection] Figure 1

Description

  Embodiments described herein relate generally to an elevator operation control system.

  Conventionally, an elevator operation control system moves a car to an arbitrary floor by moving a car (cage) in a hoistway. Such an elevator operation control system may execute control for driving a car by using the power of a private generator or battery during a power failure.

JP 2002-137875 A

  By the way, in the prior art, there is room for further improvement in terms of operation at the time of a power failure, for example.

The elevator operation control system of the embodiment includes a plurality of elevators, a private generator, and a control device. The plurality of elevators can be operated by electric power from the power source for power and electric power from the power storage device of the continuous operation device at the time of power failure provided for each of the elevators. The private generator can generate electric power that can be supplied to the plurality of elevators. The control device operates the elevator with the normal operation for operating the elevator with the power from the power source when the power source is healthy, and the electric power with the power from the continuous operation device at the time of the power failure when the power source with a power failure It can be executed by switching to continuous operation during a power failure. The control device can execute the following control when the private power generator is started after the power source for power is interrupted and the plurality of elevators are switched from the normal operation to the continuous operation at the time of the power failure. The control device switches at least one of the plurality of elevators from the continuous operation at the time of a power failure to a private power generation operation of driving the elevator by power from the private power generator and at the time of the power failure of the remaining elevators. Control to continue the continuous operation can be executed. Furthermore, the control device, based on the remaining storage amount of the electrical storage device, Ri executable der the private power generation operation and the power outage continues operation and control of switching of said plurality of elevators, further wherein the control device A plurality of unit control devices for controlling the plurality of elevators, respectively, and the unit control unit for the elevator during the private power generation operation is configured such that the power source for power A control command is output to the single control device.

FIG. 1 is a block diagram illustrating a schematic configuration example of an elevator system according to the first embodiment. FIG. 2 is a block diagram illustrating a schematic configuration example of the elevator group according to the first embodiment. FIG. 3 is a flowchart illustrating an example of control in the elevator system according to the first embodiment. FIG. 4 is a flowchart illustrating an example of control in the elevator system according to the first embodiment. FIG. 5 is a flowchart illustrating an example of control in the elevator system according to the first embodiment. FIG. 6 is a flowchart illustrating an example of control in the elevator system according to the second embodiment. FIG. 7 is a flowchart illustrating an example of control in the elevator system according to the third embodiment. FIG. 8 is a block diagram illustrating a schematic configuration example of the elevator system according to the fourth embodiment.

[Embodiment 1]
FIG. 1 is a block diagram illustrating a schematic configuration example of an elevator system according to the first embodiment. FIG. 2 is a block diagram illustrating a schematic configuration example of the elevator group according to the first embodiment. 3, 4, and 5 are flowcharts illustrating an example of control in the elevator system according to the first embodiment.

  As shown in FIG. 1, an elevator system 1 as an elevator operation control system of the present embodiment operates an elevator group 2 and performs an efficient operation service. The elevator system 1 includes a plurality of elevators 3, a private generator 4, and a control device 5. The plurality of elevators 3 constitute an elevator group 2. Here, the elevator group 2 is composed of three elevators 3 of No. 1, No. 2, No. 3, and No. 3. Each elevator 3 includes a continuous operation device 6 during a power failure. Each elevator 3 can be operated by power from a power source 50 such as a commercial power source and power from the power storage device 7 of the power failure continuous operation device 6 provided in each elevator 3. Furthermore, each elevator 3 can be operated by electric power from the private generator 4. The elevator system 1 according to the present embodiment continues the service by linking the self-power generation operation (in-house control operation) and the continuous operation at the time of power failure when the power source 50 for power supply fails due to the above components. Is an elevator power backup system.

  In the following description, the elevator system 1 is described as including the three elevators 3 of No. 1, No. 2, No. 3, and No. 3 as the elevator group 2, but the present invention is not limited thereto. The elevator system 1 may include two elevators 3 as the elevator group 2, or may include four or more. In the following description, the three elevators 3 of No. 1, No. 2, No. 3 and No. 3 will be described as simply the elevator 3 without distinguishing the three unless otherwise specified.

  First, the elevator group 2 will be described with reference to FIG. The elevator group 2 performs an operation service by each of the plurality of cages 8 moving up and down the hoistway.

  Each elevator 3 includes a basket 8, a counterweight 9, a main rope 10, a hoisting machine 11, and the like. Each elevator 3 is a so-called elevator type elevator in which a car 8 and a counterweight 9 are connected by a main rope 10. Each elevator 3 is provided with a common hall 12.

  The basket 8 can move up and down a hoistway provided in the building. The basket 8 includes a basket call registration device 13, a basket guide device 14, a load detector 15, and the like. The basket call registration device 13 is provided inside the basket 8. The car call registration device 13 performs so-called car call registration in response to an operation input by the user. The basket guide device 14 is provided in the basket 8. The basket guidance device 14 includes, for example, a buzzer that can output a notification sound, a speaker that can announce various audio information, a display device that can display various display information, and the like. The load detector 15 detects the loaded load in the basket 8.

  The counterweight 9 is a counterweight for the cage 8.

  The main rope 10 is hung on the main sheave 11a of the hoisting machine 11 provided at the upper part of the hoistway, the deflecting sheave (not shown) or the like. The main rope 10 has a cage 8 connected to one end and a counterweight 9 connected to the other end.

  The hoisting machine 11 includes, for example, an electric motor (motor) 11b that generates power. The electric motor 11b receives power from, for example, a power source 50 for power (see FIG. 1), a private power generator 4 (see FIG. 1), a power storage device 7 (see FIG. 1) of the continuous operation device 6 during power failure (see FIG. 1), and the like. Supplied. In the hoisting machine 11, when the electric motor 11b is driven, the main sheave 11a connected to the electric motor 11b is rotationally driven. And the hoisting machine 11 electrically winds up the main rope 10 using the frictional force produced between the main sheave 11a and the main rope 10. The electric motor 11b can also generate regenerative power. That is, the electric motor 11b is a so-called rotating electric machine, and functions as a motor (power running function) that converts supplied electric power into mechanical power, and functions as a generator that converts input mechanical power into electric power. (Regenerative function).

  The hall 12 is provided on each elevator stop floor where the car 8 can land. Each hall 12 includes a hall call registration device 16 and a hall guidance device 17. The hall call registration device 16 performs so-called hall call registration in response to an operation input by the user. The hall guide device 17 includes, for example, a buzzer that can output a notification sound, a speaker that can announce various audio information, a display device that can display various display information, and the like.

  The control device 5 includes a CPU (central processing unit), a ROM, a RAM, a backup RAM, a microcomputer having an input / output port device, and a drive circuit that are connected to each other by a bidirectional common bus of a normal type. . A ROM (Read Only Memory) stores a predetermined control program and the like in advance. A RAM (Random Access Memory) temporarily stores a calculation result of the CPU. The backup RAM stores map data prepared beforehand, information such as the specifications of the elevator 3, and the like. The control device 5 includes various parts of each elevator 3 such as various sensors, detectors, a hoisting machine 11, a car call registration device 13, a car guide device 14, a load detector 15, a hall call registration device 16, a hall guide device 17, and the like. And electrically connected. The control device 5 comprehensively controls the operation of each part of each elevator 3. For example, the control device 5 controls the driving of each hoisting machine 11 in accordance with an operation input from the user to the car call registration device 13, the hall call registration device 16, etc., and raises and lowers each car 8 in the hoistway. Let Thereby, each elevator 3 can move each cage 8 to the designated destination floor corresponding to the call registration. In this case, the control device 5 can service a plurality of floors by a plurality of elevators 3. The control device 5 typically performs control for assigning the elevator 3 responding to the hall call from the hall 12 of the elevator group 2 from the plurality of elevators 3 according to the state of the plurality of cages 8 of the elevator group 2 and the like. It is feasible.

  The elevator group 2 configured as described above operates as follows when the call operation of the car 8 is performed by the user via the car call registration device 13, the hall call registration device 16, and the like as a normal operation. To do. That is, the elevator group 2 receives a car call registration signal corresponding to the car call registration apparatus 13 from the car call registration apparatus 13. Alternatively, the elevator group 2 receives a hall call registration signal corresponding to the hall call registration apparatus 16 from the hall call registration apparatus 16. In the elevator group 2, the control device 5 performs car call registration and hall call registration of the car 8 in response to the call registration signal. And the control apparatus 5 performs the group management control which allocates the optimal cage | basket 8 which responds to call registration from the some cage | basket | car 8 of each elevator 3 according to the state of each cage | basket 8, for example. The control device 5 performs a predetermined evaluation calculation on the generated call based on, for example, the state of each elevator 3 and each cage 8. Then, the control device 5, for example, sets the order of the baskets 8 so that each cage 8 responds optimally to each call while rationally moving in accordance with the predetermined evaluation calculation. Is assigned, and a basket 8 that responds to each call is assigned, and an assignment process for determining the response basket 8 is performed. The control device 5 efficiently allocates the operation of the plurality of baskets 8 and performs an efficient operation service as the entire elevator group 2. The control device 5 drives and controls the hoisting machines 11 of the respective units according to the assignment to the elevators 3 and moves the basket 8 to the target floor. Thereby, in each elevator 3, the cage 8 moves up and down in the vertical direction in the hoistway and moves to the landing 12 on an arbitrary destination floor. When each elevator 3 detects that the car 8 has landed at the landing 12 on the destination floor and has landed at a predetermined landing position, then the control device 5 opens the door. As a result, a user standing by at the hall 12 can get into the basket 8. In addition, users in the basket 8 can get off at the landing 12.

  Returning to FIG. 1, the description of the elevator system 1 will be continued.

  The private generator 4 can generate electric power that can be supplied to the plurality of elevators 3. The private generator 4 can use various types of generators. The private power generator 4 is activated by the control of the control device 5 at the time of a power failure of the power source 50 and can supply power to the plurality of elevators 3. The power generation capacity of the private generator 4 is not particularly limited, but typically, several elevators 3 in the elevator group 2 can be provided to avoid an increase in the size of the apparatus, an increase in manufacturing cost, and the like. The capacity is set to about.

  And the control apparatus 5 of this embodiment performs a continuous operation at the time of a power failure by the power storage device 7 of the continuous operation device 6 at the time of a power failure installed in each elevator in each elevator 3 even in a power failure state of the power source 50 for power. be able to. That is, the control device 5 of the present embodiment can be executed by switching between the normal operation described above and the continuous operation during a power failure.

  Here, the power source 50 for motive power is a main power source used mainly during normal operation of the elevator 3. As the power source 50 for power, a so-called commercial power source (three-phase AC power source) or the like is typically used. On the other hand, the power storage device 7 of the continuous operation device 6 at the time of a power failure is an emergency auxiliary power source that is mainly used at the time of a power failure when the power supply from the power source 50 is stopped. It is a power source for driving. The continuous operation apparatus 6 at the time of a power failure is provided in the upper part of a hoistway or a machine room, for example. As the power storage device 7, a so-called storage battery (secondary battery) or the like is typically used. Each power storage device 7 is regeneratively generated by the electric motor 11b (see FIG. 2) during a regenerative operation of the elevator 3 during a normal operation or a power failure, a part of the electric power supplied from the power source 50 during the normal operation of each elevator 3. Charged by regenerative power. Each power storage device 7 is provided with a measuring instrument 7a. Each measuring instrument 7a is composed of an ammeter, a voltmeter, and the like, and measures the remaining charged amount (energy remaining amount). Each measuring instrument 7 a can transmit the measured value of the remaining power storage amount of the power storage device 7 to the control device 5.

  The normal operation is to operate the elevator 3 with the electric power from the power source 50 when the power source 50 is healthy as described above.

  On the other hand, the continuous operation at the time of a power failure is an operation different from the normal operation and is an operation at the time of a power failure of the power source 50 for power. The continuous operation at the time of a power failure means that the elevator 3 is operated by the electric power from the power storage device 7 of the continuous operation device 6 at the time of a power failure when the power source 50 for power is interrupted. Furthermore, the continuous operation at the time of a power failure is an operation in which the car 8 is continuously raised and lowered by the power from the power storage device 7 when the power source 50 is powered down. That is, this elevator system 1 continues each elevator 3 by the continuous operation at the time of a power failure using the continuous operation device 6 at the time of a power failure without using the private power generator 4 even when the power source 50 for power supply fails. Can be used. The continuous operation at the time of a power failure may be, for example, an operation in which various restrictions are provided for the normal operation and the car 8 is moved up and down while suppressing the amount of power used compared to the normal operation. For example, in the continuous operation during a power failure, the control device 5 suppresses the load on the electric motor 11b by relatively lowering the raising / lowering speed of the cage 8 as compared with the normal operation, and compared with the normal operation. To reduce power consumption.

  Typically, the control device 5 performs normal operation when the power source 50 is healthy. And when the power supply 50 for motive power fails, the control apparatus 5 switches a power supply system in each elevator 3, and switches from normal operation to continuous operation at the time of a power failure. Further, when the power failure of the power source 50 is restored, the control device 5 switches the power system in each elevator 3 and returns from the continuous operation at the time of power failure to the normal operation.

  And the control apparatus 5 of this embodiment used the self-power generation operation (self-control operation) using the private power generator 4 and the continuous operation apparatus 6 at the time of a power failure at the time of a power failure of the power source 50 as described above. It is possible to execute control to continue the service in cooperation with the continuous operation at the time of power failure.

  The control device 5 starts the private generator 4 when the power source 50 for power supply fails. Then, after the power source 50 for power supply is cut off and the plurality of elevators 3 are switched from the normal operation to the continuous operation at the time of the power failure, the control device 5 is activated when the private generator 4 is activated and power generation is possible. Control like this. That is, the control device 5 can perform control to switch at least one of the plurality of elevators 3 from the continuous operation during power failure to the private power generation operation in which the elevator 3 is operated by the electric power from the private power generator 4. At the same time, the control device 5 can execute control for continuing the continuous operation of the remaining elevator 3 during a power failure. Further, in this state, the control device 5 can execute control for switching between the private power generation operation and the continuous operation during power failure of the plurality of elevators 3 based on the remaining power storage amount of the power storage device 7.

  Here, the private power generation operation is an operation different from the normal operation and the continuous operation at the time of power failure, and is the operation at the time of power failure of the power source 50 for power. The private power generation operation is to operate the elevator 3 with electric power from the private power generator 4 when the power source 50 is powered down. Furthermore, the private power generation operation is an operation in which the car 8 continues to be raised and lowered by the electric power from the private power generator 4 when the power source 50 is powered down. For example, the private power generation operation may be equivalent to the normal operation except that the electric power from the private power generator 4 is used, and various restrictions are provided for the normal operation, compared with the normal operation. Further, it may be an operation of raising and lowering the basket 8 while suppressing the amount of power used. Here, as an example, the private power generation operation is the same as the normal operation except that the electric power from the private power generator 4 is used.

  Note that the control device 5 of the present embodiment does not perform group management control by the group management control unit 20a during a power failure of the power source 50 (that is, during private power generation operation or during continuous operation during a power failure). Single control by the control device 19 is performed.

  Here, as an example, the control device 5 includes a shut-off device 18, a single control device 19, and an overall control device 20, as illustrated in FIG.

  The shut-off device 18 is interposed between the private generator 4 and the elevator group 2. The shut-off device 18 can switch between a state in which power from the private generator 4 is supplied to the plurality of elevators 3 and a state in which the supply of the power is shut off for each of the plurality of elevators 3. The shut-off device 18 includes a first shut-off device 18a capable of shutting off power from the private generator 4 to the first unit, a second shut-off device 18b capable of shutting off power from the private generator 4 to the second unit, and the private power generator 4. It is configured to include a third shut-off device 18c that can cut off power to the third machine. In the shut-off device 18, the first shut-off device 18 a, the second shut-off device 18 b, and the third shut-off device 18 c are electrically connected to the overall control device 20, and ON / OFF is controlled by the control of the overall control device 20. . The first shut-off device 18a, the second shut-off device 18b, and the third shut-off device 18c are turned on to allow the supply of power from the private generator 4 to the corresponding unit. On the other hand, the first shut-off device 18a, the second shut-off device 18b, and the third shut-off device 18c are turned off, thereby shutting off the supply of power from the private generator 4 to the corresponding unit.

  The single control device 19 is provided corresponding to each of the plurality of elevators 3. Each single control device 19 controls each part of the corresponding elevator 3. That is, the plurality of single control devices 19 respectively control the plurality of elevators 3. Each unit control device 19 is electrically connected to the overall control device 20, and can communicate and exchange information such as a detection signal, a drive signal, a control command, and operation data with each other. Moreover, each single-unit control apparatus 19 can receive the measured value of the remaining electrical storage amount of the electrical storage apparatus 7 from the measuring device 7a, and can transmit the received measured value to the integrated control apparatus 20, for example. Further, the plurality of unit control devices 19 are electrically connected to each other, and can communicate and exchange information such as detection signals, drive signals, control commands, and operation data.

  The overall control device 20 communicates and exchanges information such as detection signals, drive signals, and control commands with each single-unit control device 19 of the plurality of elevators 3 to collectively manage the elevator group 2. Here, the overall control device 20 includes a group management control unit 20a, an operation data monitoring unit 20b, an operation switching unit 20c, and the like in terms of functional concept.

  As described above, the group management control unit 20a allocates an optimal car 8 that responds to call registration from the plurality of cars 8 of each elevator 3 according to the state of each car 8 in normal operation or the like. Is to execute. The group management control unit 20 a outputs the allocation to each elevator 3 determined by the allocation process to each single control device 19.

  The operation data monitoring unit 20b monitors operation data of each elevator 3. The operation data monitoring unit 20b, based on the information received from each unit control device 19, the operation status such as the operation direction of each unit, stop floor, current position, presence / absence of passengers, car call, landing call state, etc. The remaining power storage amount of the device 7 is monitored.

  The operation switching unit 20 c switches the operation mode of each elevator 3. As described above, when the power supply 50 is powered down, the operation switching unit 20c controls and starts the private power generator 4 and controls each unit control device 19 to switch all units from normal operation to continuous operation during a power failure. . Then, when the private power generator 4 is activated and can generate power, the operation switching unit 20c switches at least one of the plurality of elevators 3 from the continuous operation during power failure to the private power generation operation, and the remaining elevators 3 Continue operation during a power failure. Then, the operation switching unit 20c switches between the private power generation operation of the plurality of elevators 3 and the continuous operation during power failure based on the remaining power storage amount of the power storage device 7 monitored by the operation data monitoring unit 20b.

  More specifically, the operation switching unit 20c can execute the following control when the remaining power storage amount of the power storage device 7 of the elevator 3 during continuous operation during a power failure becomes less than a preset allowable power storage amount. It is. That is, the control device 5 can perform control for switching the elevator 3 during private power generation operation to continuous operation during power failure and switching the elevator 3 during continuous operation during power failure to private power generation operation. Here, the allowable power storage amount is a threshold value set for the remaining power storage amount, and is set in advance, for example, according to an experiment or the like. The allowable power storage amount is, for example, the lower limit power storage amount (in other words, the last run is not necessary for the basket 8 to unintentionally stop in the middle of each floor and to properly complete the lifting and lowering of a predetermined lifting process. This corresponds to the minimum amount of electricity that can be stored.

  In the following description, the elevator 3 that is continuously operated during a power failure may be referred to as a “continuous operation number”. In addition, the elevator 3 during the private power generation operation may be referred to as a “private generator”. Moreover, the elevator system 1 of this embodiment may set in advance the first car that will be a private car, and the situation at that time (the degree of congestion, the load load, the current position of the car 8, etc.) It may be set automatically according to the above. In the following description, the elevator system 1 uses the first car as the first car, but is not limited to this.

  When switching the operation mode of each elevator 3, the operation switching unit 20c controls ON / OFF of the first blocking device 18a, the second blocking device 18b, and the third blocking device 18c. The operation switching unit 20c sets the first shut-off device 18a to ON, the second shut-off device 18b, and the third shut-off device 18c to OFF when the first machine is a private car generator, the second machine, and the third machine are continuous operation machines. To do. Similarly, the operation switching unit 20c turns on the second shut-off device 18b, the first shut-off device 18a, and the third shut-off device 18c when the second car is the private car, the first car, and the third car is the continuous operation car. Is set to OFF. The operation switching unit 20c sets the third shut-off device 18c to ON, the first shut-off device 18a, and the second shut-off device 18b to OFF when No. 3 is a private generator, No. 1, and No. 2 are continuous operation units. To do.

  Next, an example of control by the control device 5, here, an example of control during a power failure of the power source 50 will be described with reference to the flowcharts of FIGS. 3, 4, and 5. In addition, FIG. 3 is the control common to the self-issuing machine and the continuous operation car, FIG. 4 is the control for the car that becomes the self-going car first (No. 1 here), and FIG. 5 is the remaining car (here, The control for Unit 2 and Unit 3) is shown.

  First, the operation switching unit 20c of the control device 5 controls and starts the private generator 4 as shown in FIG. 1 when the power source 50 for power supply is interrupted and all the units are temporarily stopped. 19 is controlled to switch all units from normal operation to continuous operation during a power failure (step ST1). In this case, the operation switching unit 20c switches the power system from the power source 50 to the power storage device 7 of the continuous operation device 6 during a power failure, and starts power supply from each power storage device 7 to each elevator 3.

  Then, each single control device 19 continues the continuous operation during power failure (step ST3) by moving the cage 8 corresponding to the call registration registered in each elevator 3 to the destination floor (step ST2). . During this time, for example, if there are no passengers in the car 8, each single control device 19 stops at the nearest floor, and when the hall call is registered, operates each elevator 3 by continuous operation during a power failure.

  Next, the operation switching unit 20c determines whether or not the private power generator 4 has been established in a state capable of generating power (step ST4). If the operation switching unit 20c determines that the private power generator 4 has not yet been able to generate more than a predetermined amount of power (step ST4: No), the operation switching unit 20c proceeds to the process of step ST3 and repeatedly executes the subsequent processes. To do.

  When it determines with the control apparatus 5 having been established in the state in which the private generator 4 can generate electric power (step ST4: Yes), it performs control illustrated in FIG. 4 with respect to the 1st machine which becomes a private generator first, The remaining units No. 2 and No. 3) are controlled as illustrated in FIG.

  When the operation switching unit 20c determines that the private generator 4 has been established in a state capable of generating power (step ST4: Yes), as shown in FIG. Switching from operation to private power generation operation (step ST105). In this case, the operation switching unit 20c may be configured to turn on the first shut-off device 18a after the first car 8 arrives at the destination floor and switch the first car to the private power generation operation. Then, the single control device 19 of the first machine (in-house machine) continues the private power generation operation (step ST106).

  The operation switching unit 20c determines whether or not the power source 50 has been restored based on the operating state of the power source 50 (step ST107).

  If the operation switching unit 20c determines that the power source 50 has been restored (step ST107: Yes), the operation switching unit 20c switches the first unit (in-house generator) from the in-house power generation operation to the normal operation (step ST108). End the control cycle and move to the next control cycle. In this case, the operation switching unit 20c may be configured to turn off the first shut-off device 18a after the first car 8 arrives at the destination floor and switch the first car to normal operation.

  When it is determined that the power source 50 for power is not restored (step ST107: No), the operation switching unit 20c determines whether there is an instruction to switch between the private power generation operation and the continuous operation during power failure (step ST109). ). The switching instruction between the private power generation operation and the continuous operation at the time of power failure is, for example, when the remaining power storage amount of the power storage device 7 of Unit 2 or Unit 3 (continuous operation unit) becomes less than the allowable power storage amount as described later. Generated. More specifically, the operation data monitoring unit 20b determines the operation direction, stop floor, current position, and presence / absence of passengers of Unit 1 and Units (Unit 2 or Unit 3) whose remaining storage amount is less than the allowable storage amount. Monitor the operation status, such as the status of car calls and hall calls. Then, for example, after the remaining power storage amount becomes less than the allowable power storage amount, according to the monitoring result, the car 8 of Unit 1 and the car 8 of the number machine whose residual power storage amount becomes less than the allowable power storage amount. Are generated after it is confirmed that they have arrived at the destination floor together.

  When it is determined by the operation switching unit 20c that there is no instruction to switch between the private power generation operation and the continuous operation during a power failure (step ST109: No), the control device 5 proceeds to the process of step ST106 and repeats the subsequent processes. To do.

  When the operation switching unit 20c determines that there is an instruction to switch between the private power generation operation and the continuous operation during a power failure (step ST109: Yes), the first device (the private generator) is switched from the private power generation operation to the continuous operation during a power failure. (Step ST110). In this case, the operation switching unit 20c turns off the first shut-off device 18a after both the car 8 of the first car and the car 8 of the car whose remaining power storage amount is less than the allowable power storage amount arrive at the destination floor. The unit should be switched to continuous operation during a power failure. And the single-unit control apparatus 19 of No. 1 (continuous operation No. machine) continues a continuous operation at the time of a power failure (step ST111).

  Next, the operation switching unit 20c determines whether or not the power source 50 has been restored based on the operating state of the power source 50 (step ST112).

  If the operation switching unit 20c determines that the power source 50 has been restored (step ST112: Yes), the first unit (continuous operation unit) is switched from the continuous operation during a power failure to the normal operation (step ST113). This control cycle is terminated, and the next control cycle is started. In this case, the operation switching unit 20c may switch the first machine to the normal operation after the first car 8 arrives at the destination floor.

  When operation switching unit 20c determines that power source 50 for power is not restored (step ST112: No), is the remaining power storage amount of power storage device 7 of Unit 1 (continuous operation unit) less than the allowable power storage amount? It is determined whether or not (step ST114).

  When the operation switching unit 20c determines that the remaining power storage amount of the power storage device 7 of the first unit (continuous operation unit) is greater than or equal to the allowable power storage amount (step ST114: No), the operation switching unit 20c proceeds to the process of step ST111, and the subsequent processing Repeatedly.

  If the operation switching unit 20c determines that the remaining power storage amount of the power storage device 7 of the first unit (continuous operation unit) is less than the allowable power storage amount (step ST114: Yes), the operation switching unit 20c performs the following control. That is, the operation switching unit 20c controls the single control device 19 of the first unit (continuous operation unit), stops the operation after the first unit's cage 8 arrives at the destination floor (step ST115), and the current control cycle To end the next control cycle.

  On the other hand, when it determines with the driving | operation switching part 20c having been established in the state in which the private generator 4 can generate electric power with respect to the 2nd unit and the 3rd unit other than the first unit which becomes the private generator (Step ST4: Yes), As shown in FIG. 5, the electric power from the private generator 4 is interrupted (step ST205). In this case, for example, the operation switching unit 20c turns OFF the second shut-off device 18b and the third shut-off device 18c after the first unit is switched from the continuous operation at the time of power failure to the private power generation operation. And each single-unit control apparatus 19 of No. 2, 3 (continuous operation No. machine) continues a continuous operation at the time of a power failure (step ST206).

  Next, the operation switching unit 20c determines whether or not the power source 50 has been restored based on the operating state of the power source 50 (step ST207).

  If the operation switching unit 20c determines that the power source 50 has been restored (step ST207: Yes), the second and third units (continuous operation unit) are switched from the private power generation operation to the normal operation (step ST208). End the current control cycle, and shift to the next control cycle. In this case, the operation switching unit 20c may switch the second and third machines to normal operation after the second and third car 8 arrives at the destination floor, respectively.

  When the operation switching unit 20c determines that the power source 50 for power is not restored (step ST207: No), the remaining power storage amount of the power storage device 7 of the second or third unit (continuous operation unit) is the allowable power storage. It is determined whether it is less than the amount (step ST209).

  When the operation switching unit 20c determines that the remaining power storage amount of the power storage devices 7 of No. 2 and No. 3 (continuous operation car) is greater than or equal to the allowable power storage amount (step ST209: No), the process proceeds to step ST206. The subsequent processing is repeatedly executed.

  When the operation switching unit 20c determines that the remaining power storage amount of the power storage device 7 of Unit 2 or Unit 3 (continuous operation unit) is less than the allowable power storage amount (step ST209: Yes), the private power generation operation and power failure It is determined whether or not there is an instruction to switch to continuous operation (step ST210). For example, the operation data monitoring unit 20b operates and stops the current private power generation operation (for example, No. 1 unit) and the continuous operation unit (No. 2 or No. 3 unit) whose remaining storage amount is less than the allowable storage amount. Monitor the operation status such as floor, current position, presence / absence of passengers, basket call, landing call status, etc. The switching instruction includes, for example, the current self-power generation operation (for example, No. 1) basket 8 and the continuous operation number (No. 2 or 3) in which the remaining power storage amount is less than the allowable power storage amount, depending on the monitoring result. It is generated after it is confirmed that the car 8 of the (machine) has arrived at the destination floor together. Note that the switching instruction may be generated when various conditions other than the above are satisfied.

  If it is determined that there is no switching instruction between the private power generation operation and the continuous operation during a power failure (step ST210: No), the operation switching unit 20c continues the private power generation operation in the current private power generation operation (for example, No. 1). . Then, the operation switching unit 20c controls the single controller 19 of the continuous operation machine (No. 2 or No. 3) in which the remaining electricity storage amount is less than the allowable electricity storage amount, and after the cage 8 arrives at the destination floor The operation is stopped (step ST211), the current control cycle is terminated, and the next control cycle is started.

  If the operation switching unit 20c determines that there is the switching instruction (step ST210: Yes), the operation switching unit 20 (unit 2 or unit 3) whose remaining power storage amount is less than the allowable power storage amount is continued during a power failure. Switching from operation to private power generation operation (step ST212). In this case, the operation switching unit 20c includes the basket 8 of the current private power generation operation (for example, No. 1) and the basket of the continuous operation No. 2 (No. 2 or No. 3) whose remaining storage amount is less than the allowable storage amount. After 8 arrives at the destination floor together, each unit switches between self-power generation operation and continuous operation during power failure. For example, when switching Unit 1 from private power generation operation to continuous operation during power failure and Unit 2 from continuous operation during power failure to private power generation operation, the operation switching unit 20c turns off the first shut-off device 18a and then performs the second shut-off. The device 18b is turned on. As a result, the operation switching unit 20c can switch the second unit from the continuous operation during the power failure to the private power generation operation after switching the first unit from the private power generation operation to the continuous operation during the power failure. Then, the unit controller 19 of the No. 2 machine (No. 2 or No. 3) whose remaining electricity storage amount is less than the allowable electricity storage amount continues the private power generation operation (step ST213).

  Next, the operation switching unit 20c determines whether or not the power source 50 has been restored based on the operating state of the power source 50 (step ST214).

  If the operation switching unit 20c determines that the power source 50 for power is not restored (step ST214: No), the operation switching unit 20c proceeds to the process of step ST213 and repeatedly executes the subsequent processes.

  When the operation switching unit 20c determines that the power source 50 has been restored (step ST214: Yes), the unit (No. 2 or No. 3) in which the remaining power storage amount is less than the allowable power storage amount and the private power generation operation is started. Is switched from private power generation operation to normal operation (step ST215). In this case, the operation switching unit 20c may switch the unit to normal operation after the basket 8 of the unit reaches the destination floor. The operation switching unit 20c also switches the unit that is currently continuing the continuous operation during a power failure to the normal operation. And the control apparatus 5 complete | finishes the present control period, and transfers to the next control period.

  The elevator system 1 configured as described above has a self-power generation operation using the private power generator 4 and a power failure using the power storage device 7 of the continuous operation device 6 during a power failure during a power failure of the power source 50 such as a commercial power source. The service can be continued in cooperation with continuous operation. As a result, when a plurality of elevators 3 are installed, the elevator system 1 can suppress the number of units whose operation is restricted, for example, regardless of the power generation capacity of the private generator 4 and the use efficiency. Can be improved. Therefore, the elevator system 1 can optimize the operation by effectively using the electric power of the private power generator 4 and the power storage device 7 of the continuous operation device 6 at the time of power failure even when the power source 50 for power is out of power. Therefore, it is possible to properly operate during a power failure.

  In addition, the elevator system 1 does not stop the car 8 immediately even when the remaining power storage amount of the power storage device 7 of the continuous operation device 6 during power failure becomes less than the allowable power storage amount, Monitor the operation status, such as the presence of passengers, basket calls, and landing call status. And the elevator system 1 can ensure a favorable operation service by switching a driving | operation after the applicable cage | basket 8 arrives at the destination floor.

  The elevator system 1 described above includes a plurality of elevators 3, a private generator 4, and a control device 5. The plurality of elevators 3 can be operated by the electric power from the power source 50 for power and the electric power from the power storage device 7 of the continuous operation device 6 at the time of power failure provided respectively. The private generator 4 can generate electric power that can be supplied to the plurality of elevators 3. The control device 5 operates the elevator 3 with the power from the power source 50 when the power source 50 is healthy, and the elevator 3 with the power from the continuous operation device 6 at the time of power failure when the power source 50 fails. It can be executed by switching between continuous operation during power failure. The control device 5 can execute the following control when the private power generator 4 is started after the power source 50 for power is blacked out and the plurality of elevators 3 are switched from the normal operation to the continuous operation at the time of the power failure. That is, the control device 5 switches at least one of the plurality of elevators 3 from the continuous operation at the time of a power failure to a private power generation operation in which the elevator 3 is operated by the electric power from the private power generator 4 and the power failure of the remaining elevators 3. It is possible to execute control to continue the continuous operation. Furthermore, the control device 5 can execute control for switching between the private power generation operation and the continuous operation during power failure of the plurality of elevators 3 based on the remaining power storage amount of the power storage device 7. Therefore, even when the power supply 50 for power failure occurs, the elevator system 1 appropriately uses the power of the private generator 4 and the power of the power storage device 7 of the continuous operation device 6 during power failure to properly operate during the power failure. It can be carried out.

[Embodiment 2]
FIG. 6 is a flowchart illustrating an example of control in the elevator system according to the second embodiment. The elevator system according to the second embodiment is different from the first embodiment in the content of control. In addition, about the structure, operation | movement, and effect which are common in embodiment mentioned above, the overlapping description is abbreviate | omitted as much as possible. Moreover, about each structure of an elevator operation control system, FIG. 1, FIG. 2 is referred suitably (this is the same also in embodiment described below).

  In an elevator system 201 (see FIG. 1) as an elevator operation control system of the present embodiment, the individual control devices 19 of the elevators 3 cooperate with each other in a predetermined manner at the time of a power failure of the power source 50 for power.

  In the elevator system 201 of the present embodiment, when the power source 50 for power is cut off, the single controller 19 of the private car generator outputs a control command to the single controller 19 of the continuous operation car. Thereby, the elevator system 201 can easily manage a plurality of elevators 3 in a group even when the power source 50 for power is out of power. Here, in the elevator system 201, the self-issued machine becomes the master machine, and the other machines are simply and collectively managed.

  For example, each elevator 3 is operated at a lower speed in the continuous operation during a power failure than in the normal operation. For this reason, the private control machine, that is, the master control unit 19 of the master unit limits the operation to the single control unit 19 of the continuous operation number, for example, in order to limit the stoppage floor to the continuous operation number. Output control commands. And the single-unit control apparatus 19 of the said master No. machine performs an operation service so that all the floors may be covered as a stoppable floor in the said self-issued machine. In addition, for example, the single unit control device 19 of the master unit which is a private number generator grasps the remaining power storage amount of the power storage device 7 of each unit measured by the measuring instrument 7a and the operation state of each unit monitored by the operation data monitoring unit 20b. To do. Then, the single unit control device 19 of the master unit outputs various control commands to the single unit control unit 19 of the continuously operating unit based on the grasped remaining power storage amount of the power storage unit 7 of each unit and the operating state. For example, the single unit control device 19 of the master unit has a command to more restrict the load load or further limit the stoppable floor with respect to the unit having a relatively small remaining storage amount of the power storage device 7. Is output.

  As a result, the elevator system 201 can easily perform group management according to the remaining power storage amount of the power storage device 7 of the continuous operation machine even during a power failure of the power supply 50, and further improve the use efficiency. Improvement, suppression of power consumption, and the like can be realized.

  Next, an example of control by the control device 5 will be described with reference to the flowchart of FIG.

  First, the control apparatus 5 determines whether the 1st machine is a private number machine (step ST301).

  When it is determined that the first unit is a private unit (step ST301: Yes), the control device 5 controls the second and third units using the first unit as a master unit (step ST302), and ends the current control cycle. Then, it shifts to the next control cycle.

  When it is determined that the first device is not a private issuer (step ST301: No), the control device 5 determines whether the second device is a private issuer (step ST303).

  When it is determined that the second unit is a private unit (step ST303: Yes), the control device 5 controls the first and third units using the second unit as a master unit (step ST304), and ends the current control cycle. Then, it shifts to the next control cycle.

  When it is determined that No. 2 is not a private issuer (step ST303: No), the control device 5 determines whether No. 3 is a private issuer (step ST305).

  When it is determined that the third unit is a private unit (step ST305: Yes), the control device 5 controls the first and second units using the third unit as a master unit (step ST306), and ends the current control cycle. Then, it shifts to the next control cycle.

  When it is determined that the third machine is not a private car generator (step ST305: No), the control device 5 ends the current control cycle and shifts to the next control cycle.

  The elevator system 201 described above uses the power of the private generator 4 and the power of the power storage device 7 of the continuous operation device 6 during a power failure even when the power source 50 for power failure. It can be done properly.

  Furthermore, according to the elevator system 201 described above, the control device 5 includes a plurality of single control devices 19 that respectively control the plurality of elevators 3. Then, the single-unit control device 19 of the elevator 3 during the private power generation operation outputs a control command to the single-unit control device 19 of the elevator 3 that is continuously operating at the time of the power failure when the power source 50 is powered down. Therefore, the elevator system 201 can easily perform group management even during a power failure of the power supply 50, so that it is possible to further improve the utilization efficiency and suppress power consumption.

[Embodiment 3]
FIG. 7 is a flowchart illustrating an example of control in the elevator system according to the third embodiment. The elevator system according to the third embodiment is different from the first and second embodiments in the content of control.

  In an elevator system 301 (see FIG. 1) as an elevator operation control system of the present embodiment, the control device 5 performs takeover control under predetermined conditions. The control device 5 of the present embodiment performs control to take over the response to the hall call to the own car when the remaining power storage amount of the power storage device 7 of the continuous operation car responding to the hall call becomes less than the allowable power storage amount. It is feasible. In other words, this elevator system 301 allows a private car to be placed at the landing when the remaining power storage amount of the continuously operating unit that was directed to the floor where the call was made to respond to the hall call is less than the allowable power storage amount. Let the call answer.

  In this case, for example, the control device 5 monitors the remaining power storage amount of the continuous operation number that the operation data monitoring unit 20b is responding to the hall call, and when the remaining power storage amount is less than the allowable power storage amount, Response stop command is transmitted to the single control device 19. The unit control device 19 of the continuous operation number machine stops the car 8 of the number machine at the nearest floor when receiving the response stop command. In addition, the said single control apparatus 19 should just stop driving | operation after the cage | basket | car 8 arrives at the destination floor, when the cage call remains in the said continuous operation number machine. Then, the single control device 19 of the continuous operation number machine transmits a takeover command to the single control device 19 of the private number generator. When receiving the takeover command, the single controller 19 of the private car takes over the response to the hall call and moves the car 8 of the car to the floor where the call is made.

  As a result, the elevator system 301 allows the own car to call the landing call even if the remaining power storage amount of the continuously operating car responding to the hall call is less than the allowable power storage amount when the power source 50 is powered down. Can take over. As a result, the elevator system 301 can suppress the occurrence of a situation in which the elevator 3 does not respond even though the user makes a landing call at the landing 12.

  Next, an example of control by the control device 5 will be described with reference to the flowchart of FIG.

  First, the control device 5 determines whether or not the remaining power storage amount of the continuous operation car responding to the hall call is less than the allowable power storage amount (step ST401). When it determines with the remaining electrical storage amount of a continuous driving | running | working apparatus being more than an allowable electrical storage amount (step ST401: No), the control apparatus 5 complete | finishes the present control period, and transfers to the next control period.

  If the control device 5 determines that the remaining power storage amount of the continuous operation unit is less than the allowable power storage amount (step ST401: Yes), the control device 5 takes over the response to the hall call (step ST402), and the current control cycle To end the next control cycle.

  The elevator system 301 described above uses the power of the private generator 4 and the power of the power storage device 7 of the continuous operation device 6 during a power failure even when the power supply 50 for power failure. It can be done properly.

  Furthermore, according to the elevator system 301 described above, the control device 5 causes the remaining power storage amount of the power storage device 7 of the elevator 3 during continuous operation during a power failure in response to the hall call to be less than a preset allowable power storage amount. In such a case, the following control can be executed. That is, in this case, the control device 5 can execute control to take over the response to the hall call to the elevator 3 that is in the private power generation operation. Accordingly, the elevator system 301 can suppress the occurrence of a situation in which the elevator 3 does not respond even though the user makes a landing call at the landing 12, so that convenience can be improved. .

  In addition, when the remaining power storage amount of the continuous operation unit becomes less than the allowable power storage amount, the control device 5 does not satisfy the power storage amount that can correspond to the remaining basket call. You may make it take over the said basket call to a self-issued machine. In this case, for example, the control device 5 stops the car 8 of the continuous operation number machine on the way to the destination floor and moves the car 8 of the private number machine to the way floor. And the control apparatus 5 controls the cage | basket guide apparatus 14, the hall call registration apparatus 16, etc., and performs the guidance which prompts the passenger in the cage | basket | car 8 of a continuous driving number to change to a private number machine. And if the control apparatus 5 confirms the completion of a passenger's transfer based on the detection result by the load detector 15, etc., the car call to the destination floor will be automatically registered in the private car and the cage 8 will be moved to the destination floor. . Thereby, the elevator system 301 can further improve convenience.

[Embodiment 4]
FIG. 8 is a block diagram illustrating a schematic configuration example of the elevator system according to the fourth embodiment. The elevator system according to Embodiment 4 is different from Embodiments 1, 2, and 3 in that it includes a switching device.

  An elevator system 401 as an elevator operation control system of the present embodiment shown in FIG.

  The switching device 21 can switch the elevator 3 during continuous operation during a power failure between a resting state (OFF) and an operating state (ON). The switching device 21 includes a first changeover switch 21a that can switch between the resting state and the operating state of the first unit, a second changeover switch 21b that can switch between the resting state and the operating state of the second unit, and the resting state and operation of the third unit. A third changeover switch 21c that can be switched between states is included.

  The elevator system 401 is configured such that when the first changeover switch 21a, the second changeover switch 21b, and the third changeover switch 21c are turned off, when the car is a continuous operation car, the car 8 is at the last destination floor. After arriving, the relevant machine enters a dormant state (OFF). In this case, the continuous operation machine that has been put into a dormant state does not respond to other calls and enters a standby state.

  On the other hand, in the elevator system 401, when the first changeover switch 21a, the second changeover switch 21b, and the third changeover switch 21c are turned on, when the relevant unit is a continuously operating unit, the suspension state of the relevant unit is released. And is in an operating state (ON). Thereby, the continuous operation number machine made into the operation state will be in the state which can respond to a call.

  The switching device 21 may be provided, for example, in a manager room of a building where the elevator system 401 is installed, a disaster prevention center, or the like, and manually switchable between a sleep state and an operating state by a staff member, etc. 5 may be configured to be automatically switched by the control according to 5. When the switching device 21 is configured to be automatically switched by the control device 5, the control device 5 estimates, for example, the degree of congestion of the elevator group 2 and controls the switching device 21 according to the degree of congestion. That's fine. In this case, the control device 5 estimates the degree of congestion of the elevator group 2 based on, for example, the detection result of the load detector 15 and the video and image of the camera that captures the situation of the hall 12. Then, for example, the control device 5 controls the switching device 21 when the degree of congestion is high, relatively increases the number of continuously operating units in the operating state, and switches the switching device 21 when the degree of congestion is low. Control to increase the number of units of continuous operation in the dormant state relatively.

  The elevator system 401 described above uses the power of the private generator 4 and the power of the power storage device 7 of the continuous operation device 6 during a power failure even when the power supply 50 for power failure. It can be done properly.

  Furthermore, according to the elevator system 401 demonstrated above, the switching apparatus 21 which can switch the elevator 3 in continuous operation at the time of a power failure to a dormant state and an operation state is provided. Accordingly, since the elevator system 401 can optimize the number of continuously operating units in accordance with the situation, it is possible to achieve both suppression of power consumption in the entire elevator system 401 and convenience.

  According to the elevator operation control system according to the embodiment and the modification described above, it is possible to appropriately perform the operation at the time of a power failure.

  Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and their modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

1, 201, 301, 401 Elevator system (elevator operation control system)
DESCRIPTION OF SYMBOLS 2 Elevator group 3 Elevator 4 Private generator 5 Control apparatus 6 Continuous operation apparatus at the time of a power failure 7 Electric power storage apparatus 8 Basket 9 Counterweight 10 Main rope 11 Hoisting machine 12 Platform 13 Basket call registration device 14 Basket guide device 15 Load detector 16 Platform Call registration device 17 Platform guidance device 18 Shut-off device 19 Single control device 20 Overall control device 20a Group management control unit 20b Operation data monitoring unit 20c Operation switching unit 21 Switching device 50 Power supply for power

Claims (4)

A plurality of elevators that can be operated by electric power from the power source for power and electric power from the power storage device of the continuous operation device at the time of power failure provided in each, and private power generation that can generate electric power that can be supplied to the plurality of elevators A normal operation in which the elevator is operated with power from the power source when the power source is healthy, and a power outage in which the elevator is operated with power from the continuous operation device during the power outage when the power source is out of power A control device that can be executed by switching between continuous operation, and the control device, after the power supply for power is blacked out and switching the plurality of elevators from the normal operation to the continuous operation during the power failure, When the generator is started, at least one of the plurality of elevators is changed from the continuous operation during the power failure to the electric power from the private generator. Thus, it is possible to execute control for switching to the private power generation operation for driving the elevator and continuing the continuous operation at the time of the power failure of the remaining elevator, and further, based on the remaining power storage amount of the power storage device, the plurality of elevators of the private power generation operation and Ri executable der the control of switching between the power failure continuous operation, further, the control device includes a plurality of unitary control device for controlling said plurality of elevators respectively, the private power generation operation in The elevator operation control system is characterized in that the single control device of the elevator outputs a control command to the single control device of the elevator during continuous operation at the time of the power failure when the power source for power is out of power .   The control device continues the elevator during the private power generation operation during the power failure when the remaining power storage amount of the power storage device of the elevator during the power failure continuous operation is less than a preset allowable power storage amount. 2. The elevator operation control system according to claim 1, wherein the elevator operation control system is capable of executing a control for switching the operation to the private power generation operation while switching to the operation. When the remaining power storage amount of the power storage device of the elevator that is in continuous operation during a power failure in response to a hall call is less than a preset allowable power storage amount, the control device sends a response to the hall call is capable of executing control to take over the elevator during the power generating operation, the elevator operation control system according to claim 1 or claim 2. The elevator operation control system according to any one of claims 1 to 3 , further comprising a switching device capable of switching the elevator during continuous operation during a power failure between a resting state and an operating state.

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