JP2014156331A - Elevator with blackout-time continuous operation function, and elevator control method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator with a blackout-time continuous operation function and an elevator control method, which, when a blackout occurs in a building and power is fed from a storage battery, continue the operation of the elevator over a prolonged period of time by operating the elevator with power consumption suppressed.SOLUTION: According to an embodiment, an elevator having a pre-set operation region for normal time includes a continuous operation information memory unit, power feed control unit, continuous operation information setting unit, and elevator control panel. The continuous operation information memory unit stores operation region information concerning continuous operation in case of a blackout. The power feed control unit initiates power feed from a storage battery to the elevator. When the power feed from the storage battery to own elevator is initiated, the continuous operation information setting unit sets operation region information as an operation region of the own elevator. The elevator control panel is used to control operation of the own elevator within the set operation region.

Description

  Embodiments described herein relate generally to an elevator and an elevator control method having a continuous operation function during a power failure.

  Conventionally, in order to continue the operation of an elevator when a power failure occurs, a continuous operation device during a power failure may be installed in a building. The continuous operation apparatus at the time of a power failure includes a storage battery. When it is detected that the power supply from the commercial power supply is stopped due to the occurrence of a power failure, the power supply source is switched so that power is supplied from the storage battery to the elevator.

  By installing a continuous operation device during a power outage in a building, it is possible to continue to operate the elevator in the event of a power outage that cannot be predicted due to a disaster, etc. User convenience can be maintained.

JP 2007-238316 A

  When the elevator operation is continued during a power failure using the power failure continuous operation device as described above, power can be supplied within the capacity range of the storage battery. However, if the storage battery capacity is exhausted, power cannot be supplied thereafter. It becomes impossible to continue the operation of the elevator.

  If the operation of the elevator is not continued, the users in the building have to move through the floors by stairs, which is inconvenient for users on the higher floors.

  The present invention has been made in view of the above circumstances, and when a power failure occurs in a building and power is supplied by a storage battery, the operation of the elevator is continued for as long as possible by operating the elevator with reduced power consumption. An object of the present invention is to provide an elevator and an elevator control method having a function of continuous operation during a power failure.

  According to the embodiment for achieving the above object, an elevator in which a normal operation target range is set in advance includes a continuous operation information storage unit, a power supply control unit, a continuous operation information setting unit, and an elevator control panel. Have. The continuous operation information storage unit stores operation target range information for continuous operation during a power failure. The power supply control unit starts power supply from the storage battery to the elevator during a power failure. The continuous operation information setting unit sets the operation target range information as the operation target range of the own elevator when power supply from the storage battery to the own elevator is started. The elevator control panel controls the operation of the own elevator within the set operation target range.

1 is an overall view showing a configuration of an elevator system using an elevator according to a first embodiment. The block diagram which shows the structure of the elevator by 1st Embodiment. Explanatory drawing which shows the driving | operation object range information at the time of a power failure previously memorize | stored in the elevator by 1st Embodiment. The flowchart which shows operation | movement of each elevator when two or more elevators by 1st Embodiment are installed. The block diagram which shows the structure of the elevator by 2nd Embodiment.

  As an embodiment of the present invention, a case will be described in which a building to be managed has floors from the first floor to the ninth floor, and three elevators for moving these floors are installed.

<< First Embodiment >>
<Configuration of Elevator System with Elevator according to First Embodiment>
The structure of the elevator system 1 provided with the elevator by 1st Embodiment of this invention is demonstrated with reference to FIG.

  The elevator system 1 according to the present embodiment is installed in each elevator floor (first to ninth floors), the first elevator 10A, the second elevator 10B, and the third elevator 10C installed in a building to be managed. The hall call registration devices 21 to 29 and the group management control device 30 are connected to each other.

  The first elevator 10A to the third elevator 10C have elevator control panels 11A to 11C, cars 12A to 12C, and continuous operation devices 13A to 13C during a power failure. Detailed configurations of the first elevator 10A to the third elevator 10C are shown in FIG.

  The elevator control panels 11A to 11C include car operation control units 111A to 111C and in-car information output control units 112A to 112C.

  The car operation control units 111A to 111C are set based on control information acquired from the group management control device 30 and destination floor registration information obtained by operating a destination floor registration button (not shown) in the cars 12A to 12C. The raising / lowering operation of the cars 12A to 12C is controlled within the range to be operated. In the car operation control units 111A to 111C, all floors (1st floor to 9th floor) are normally set as the operation target range, and when the power failure occurs, the operation target range information is received from the continuous operation devices 13A to 13C at the time of power failure. When set, the range information is switched to be controlled as a driving target.

  The in-car information output control units 112A to 112C hold the transfer floor information transmitted from the continuous operation devices 13A to 13C at the time of power failure when a power failure occurs, and speakers (not shown) in the cars 12A to 12C as necessary. Information is output from a display device (not shown).

  The continuous operation devices 13A to 13C during a power failure include continuous operation information storage units 131A to 131C, storage batteries 132A to 132C, commercial power supply monitoring units 133A to 133C, power supply control units 134A to 134C, and a continuous operation information setting unit 135A. To 135C and battery capacity monitoring units 136A to 136C.

  The continuous operation information storage units 131A to 131C perform the continuous operation based on the operation target range information for setting the continuous operation target at the time of the power failure and the operation target range information at the time of the power failure for the respective elevators 10A to 10C. The transfer floor information indicating the transfer floor to another elevator when it is called is stored. Here, the operation target range information is information indicating a partial floor among all the floors in the building.

  The commercial power supply monitoring units 133A to 133C monitor the power supply state by the commercial power supply in the building to be managed, and detect that the power supply by the commercial power supply has stopped and a power failure has occurred, and the power supply control unit It outputs to 134A-134C. Thereafter, when it is detected that the power supply by the commercial power supply has been resumed, power supply resumption detection information is output to the power supply control units 134A to 134C.

  When the power supply control units 134A to 134C acquire the power failure detection information output from the commercial power supply monitoring units 133A to 133C, the power supply control units 134A to 134C perform control to start power supply from the storage batteries 132A to 132C into the elevators 10A to 10C. Then, if the electric power supply restart detection signal output from commercial power supply monitoring part 133A-133C is acquired, it will control to stop the electric power supply from storage battery 132A-132C in elevator 10A-10C.

  In addition, when the power supply control units 134A to 134C acquire the capacity decrease notification information from the battery capacity monitoring units 136A to 136C during the power supply by the storage batteries 132A to 132C, the power supply control units 134A to 134C determine that it is difficult to continue the operation of the elevator. Control is performed so as to stop the power supply from ~ 132C to the elevators 10A to 10C.

  When the power supply control units 134A to 134C start power supply from the storage batteries 132A to 132C, the continuous operation information setting units 135A to 135C display the operation target range information stored in the continuous operation information storage units 131A to 131C. While setting to the elevator control panels 11A-11C, the transfer floor information is transmitted to the elevator control panels 11A-11C.

  The battery capacity monitoring units 136A to 136C monitor the battery capacity of the storage batteries 132A to 132C, and when the battery capacity is detected to be equal to or less than a predetermined value set in advance, the battery capacity monitoring unit 136A to 136C displays the capacity decrease notification information. To 134C.

  The hall call registration devices 21 to 29 are installed in the elevator hall on each floor of the building, and when the upward car call button or the downward car call button is operated, the hall call registration information by operating these buttons is displayed. It is generated and transmitted to the group management control device 30.

  The group management control device 30 monitors the driving status (the position of the car, the driving direction, etc.) of the first elevator 10A, the second elevator 10B, and the third elevator 10C, and registers the landing call from the landing call registration devices 21-29. If information is acquired, the elevator which responds to the said hall call registration information will be selected according to the driving | running state of each elevator. And the control information for the response to the said hall call registration information is transmitted to the selected elevator.

<Operation of the elevator system according to the first embodiment>
Next, the operation of the elevator system 1 according to the present embodiment will be described. In the present embodiment, the continuous operation information storage units 131A to 131C of the first elevators 10A to 10C preliminarily store operation target range information used for performing continuous operation during a power failure. For example, as shown by a thick line in FIG. 3, “7th floor to 9th floor” is stored in the continuous operation information storage unit 131A of the first elevator 10A, and “4th floor” is stored in the continuous operation information storage unit 131B of the second elevator 10B. ˜7th floor ”is stored, and“ 1st to 4th floor ”is stored in the continuous operation information storage unit 131C of the third elevator 10C.

  The continuous operation information storage units 131A to 131C preliminarily store transfer floor information indicating transfer floors to other elevators when continuous operation is performed based on these operation target ranges. For example, the continuous operation information storage unit 131A of the first elevator 10A stores transfer floor information “seventh floor” to the second elevator 10B when driving downward, and the continuous operation information storage unit 131B of the second elevator 10B. Is stored with the transfer floor information “7th floor” to the first elevator 10A when driving in the upward direction and the transfer floor information “4th floor” to the third elevator 10C when driving in the downward direction. In the 10C continuous operation information storage unit 131C, information on the transfer floor “4th floor” to the second elevator 10B when driving upward is stored.

  In these 1st elevator 10A-3rd elevator 10C, all floors (1st floor-9th floor) are set as an operation object range at the time of usual. When the group management control device 30 monitors the driving status of the first elevator 10A to the third elevator 10C and the hall call registration information is acquired from the hall call registration devices 21 to 29, the group management control device 30 responds to the hall call registration information. The elevator is selected according to the operation status of each elevator. And the control information for the response to the said hall call registration information is transmitted to the selected elevator, and the raising / lowering operation | movement of a passenger car is controlled by the applicable elevator.

  Further, in the first elevator 10A to the third elevator 10C, the elevators 12A to 12C are moved up and down within the set operation target range based on the destination floor registration information obtained by operating the destination floor registration button in the cars 12A to 12C. Is controlled.

  Next, the operation of each elevator when a power failure occurs in the building will be described with reference to the flowchart of FIG.

  When a power failure occurs in the building, the power failure is first detected by the commercial power supply monitoring units 133A to 133C of the continuous operation devices 13A to 13C at the time of the power failure of each of the first elevator 10A, the second elevator 10B, and the third elevator 10C. Detection information is output to the power supply control units 134A to 134C (S1 to S3).

  In each power supply control part 134A-134C of 1st elevator 10A-3rd elevator 10C, if the power failure detection information output from commercial power supply monitoring part 133A-133C is acquired, inside of elevators 10A-10C from storage battery 132A-132C Control for starting the power supply to is performed.

  Further, when power supply from the storage batteries 132A to 132C is started under the control of the power supply control units 134A to 134C, the continuous operation information setting units 135A to 135C provide the operation target range information and the transfer floor information to the elevator control panels 11A to 11A. To 11C.

  In each of the elevator control panels 11A to 11C, the operation target range information output from the continuous operation information setting units 135A to 135C is set in the car operation control units 111A to 111C as the subsequent operation target ranges. The transfer floor information output from the continuous operation information setting units 135A to 135C is held in the car information output control units 112A to 112C (S4 to S6).

  Further, in each of the elevator control panels 11A to 11C, when the start of power supply from the storage batteries 132A to 132C is detected, the destination floor registration information registered by operating the destination floor registration button in the cars 12A to 12C is canceled. Then, the control related to the raising / lowering operation of the running cars 12A to 12C is stopped, and the cars 12A to 12C are controlled to stop at the nearest floor and open for a predetermined time (S7 to S9). Here, when the cars 12A to 12C are opened, message information for prompting the users in the cars 12A to 12C to get out of the vehicle is output by voice or control under the control of the car information output control units 112A to 112C. Output by display.

  Thereafter, in each of the elevator control panels 11A to 11C, based on the operation target range information set in the car operation control units 111A to 111C, the electric power supplied from the storage batteries 132A to 132C is continuously used for each of the elevators 10A to 10C. Driving is performed.

  For example, a case where the user X moves from the first floor, which is the entrance floor of the building, to the eighth floor during a power failure will be described. First, when the user X operates the car call button in the upward direction with the hall call registration device 21 on the first floor, hall call registration information by the button operation is generated and transmitted to the group management control device 30.

  The group management control device 30 recognizes that the acquired information is hall call registration information for moving upward from the first floor, to the third elevator 10C including the first floor and the upper floor in the operation target range information. On the other hand, control information for moving the car 12C to the first floor is transmitted.

  When the car 12C of the third elevator 10C arrives at the first floor and is opened by the transmitted control information, the user X gets on. Then, message information indicating that the operation target range of the third elevator 10C is from the first floor to the fourth floor, and when going to the fifth floor or more, the fourth floor which is a transfer floor is to switch to the second elevator 10B. The car information output control unit 112C controls the car 12C to output the voice or display.

  Recognizing the output message information, the user X operates the destination button on the fourth floor which is the transfer floor in the car 12C. The car operation control unit 111C moves the car 12C from the first floor to the fourth floor based on the operation (S10).

  When the car 12C arrives on the fourth floor and opens, the user X gets off for a transfer and operates the car call button in the upward direction with the hall call registration device 24 on the fourth floor. In the hall call registration device 24, hall call registration information is generated by operating the car call button and transmitted to the group management control device 30.

  In the group management control device 30, it is recognized that the acquired information is hall call registration information for moving upward from the fourth floor, and the second elevator 10B including the fourth floor and the upper floor in the operation target range information is provided. On the other hand, control information for moving the car 12B to the fourth floor is transmitted.

  When the car 12B of the second elevator 10B arrives at the fourth floor and opens the door according to the transmitted control information, the user X gets on. And the message information which shows that the operation object range of the said 2nd elevator 10B is the 4th-7th floor, and urging to transfer to the 1st elevator 10A on the 7th floor which is a transfer floor when going to the 8th floor or more. The car information output control unit 112B controls the car 12B to output the voice or display.

  The user X operates the destination button on the seventh floor, which is the transfer floor, in the car 12B by recognizing the output message information. The car operation control unit 111B moves the car 12B from the fourth floor to the seventh floor based on the operation (S11).

  When the car 12B arrives at the seventh floor and opens the door, the user X gets off for a transfer, and operates the car call button in the upward direction with the hall call registration device 27 on the seventh floor. In the hall call registration device 27, hall call registration information is generated by operating the car call button and transmitted to the group management control device 30.

  In the group management control device 30, it is recognized that the acquired information is hall call registration information for moving upward from the seventh floor, and the first elevator 10A including the seventh floor and its upper floor in the operation target range information On the other hand, control information for moving the car 12A to the seventh floor is transmitted.

  When the car 12A of the first elevator 10A arrives at the seventh floor and opens the door according to the transmitted control information, the user X gets on. Then, the user X operates the destination button on the eighth floor, which is the destination floor, in the car 12A.

  The car operation control unit 111A moves the car 12A from the seventh floor to the eighth floor based on the operation (S12). Through the processing as described above, the user X can move from the first floor to the eighth floor.

  Similarly, when the user Y wants to move from the first floor to the sixth floor at the time of a power failure, the user Y can change from the car 12C of the third elevator 10C to the car 12B of the second elevator 10B on the transfer floor. Thus, the movement becomes possible (S13, S14).

  Further, when the user Z wants to move from the first floor to the third floor at the time of a power failure, the user Z can move only by using the third elevator 10C (S15).

  In this way, by limiting the operation target range of each elevator during a power failure, the travel distance and the number of activations can be reduced, and the capacity reduction of the storage batteries 132A to 132C can be suppressed. It can be continued for a long time.

  While the continuous operation is being performed, the capacities of the storage batteries 132A to 132C are monitored by the battery capacity monitoring units 136A to 136C, respectively. When it is detected that the battery capacity is equal to or less than a predetermined value set in advance, capacity reduction notification information is generated and output to the power supply control units 134A to 134C.

  At this time, the battery capacity monitoring units 136A to 136C predict the power consumption related to the number of times of traveling to the next destination floor and the number of door opening / closing operations from the contents of the destination registration and landing call registration registered in the elevator. When it is determined that the predicted power consumption cannot be supplied with the current remaining amount of the storage battery, the capacity decrease notification information may be generated.

  In the power supply control units 134A to 134C, when the capacity decrease notification information is acquired from the battery capacity monitoring units 136A to 136C, it is determined that it is difficult to continue the operation of the elevator, and the corresponding storage batteries 132A to 132C to the elevator 10A to The power supply to 10C is stopped.

  As described above, when a plurality of elevators in a building are operated during a power failure, the first elevator 10A whose operation target range is a lower floor including the entrance floor of the building is the lower floor (2-4 floors), the middle floor (5th floor) -7th floor) and all users on higher floors (8th floor, 9th floor). Therefore, the frequency of use of the first elevator 10A increases, and the capacity of the storage battery 132C decreases quickly, and there is a high possibility that the elevator will be stopped first among the three.

  On the other hand, the second elevator 10B having the middle floor as the operation target range is used by users of the middle floor (5-7 floors) and the lower floor (2-4 floors), and the second floor 10B has the lower floor as the operation target range. There is a high possibility that the continuous operation by the storage battery 132B is performed longer than the three elevators 10C.

  Furthermore, since the 3rd elevator 10C which makes a high floor an operation object range is used only by the user of a high floor (the 8th floor, the 9th floor), possibility that continuous operation will be performed for the longest among three sets is high. .

  Therefore, the elevator can be continuously operated for a long time on a higher floor where the necessity of using the elevator is high, and high convenience can be provided to the user.

<< Second Embodiment >>
In the second embodiment of the present invention, the group management control device 30 is not provided, and the elevator control panel 11A of the first elevator 10A, the elevator control panel 11B of the second elevator 10B, and the elevator control panel 11C of the third elevator 10C are provided. A group management control of the plurality of elevators 10A to 10C is performed by connecting and receiving information to and from each other.

  In this case, as shown in FIG. 5, the continuous operation information update units 113A to 113C are provided in the elevator control panels 11A to 11C, respectively, and in the continuous operation information update units 113A to 113C, the operation target range information different from the own elevator is provided. Information is transmitted / received to / from an elevator control panel of another set elevator.

  When the continuous operation information update units 113A to 113C detect that the power supply from the storage battery is stopped in another elevator, the predetermined reference floor information or the entire floor range in the operation target range information of the other elevator The information is included in the operation target range information of the own elevator, and the operation target range information set in the car operation control units 111A to 111C is updated.

  For example, when the power supply from the storage battery 132C is stopped in the third elevator 10C, this is detected by the continuous operation information update unit 113B of the second elevator 10B. Of the floors “1st to 4th floors” set as the operation target range information of the third elevator 10C, the “first floor” that is the entrance floor of the building is the operation target range information “of the second elevator 10B”. The operation target information included in the “4th to 7th floors” and set in the car operation control unit 111B is updated to “1st floor, 4th to 7th floors”. Alternatively, the floors “1st to 4th floors” set as the operation target range information of the third elevator 10C are all included in the operation target range information “4th floor to 7th floor” of the second elevator 10B, and the car operation control is performed. The driving target information set in the part 111B is updated to “1st floor to 7th floor”.

  By updating the operation target information in this way, a reference floor that is inconvenient to the user when the elevator stops, such as the entrance floor of a building, can always be included in the operation target range of any elevator. , User convenience can be improved.

  The reference floor is not limited to the entrance of the building (first floor, etc.), but may be a floor (second floor or third floor) close to the entrance floor to further reduce power consumption by the storage battery.

  In each of the above-described embodiments, the continuous operation information setting units 135A to 135C of each elevator set the operation target range information in the elevator control panels 11A to 11C due to the occurrence of a power failure, and then the capacity of the storage batteries 132A to 132C decreases to supply power. When it is detected that the vehicle is stopped, the operation target range information set in the elevator control panels 11A to 11C may be canceled. Thereby, when the power failure ends and the power supply from the commercial power supply is resumed, the operation can be resumed for all the floors as usual.

  In addition, at the time of a power outage, among the multiple elevators installed in the building, only the elevators corresponding to priority users, such as elevators installed with buttons for wheelchair users, are set to limit the operation target range Thus, the convenience of the priority user may be enhanced by suppressing the decrease in the capacity of the storage battery of the elevator as much as possible and operating as long as possible.

  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 novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Elevator system 10A ... 1st elevator 10B ... 2nd elevator 10C ... 3rd elevator 11A-11C ... Elevator control panel 12A-12C ... Car 13A-13C ... Continuous operation apparatus 21-29 ... landing call registration apparatus 30 ... Group management control device 111A-111C ... Cable operation control unit 112A-112C ... In-car information output control unit 113A-113C ... Continuous operation information update unit 131A-131C ... Continuous operation information storage unit 132A-132C ... Storage batteries 133A-133C ... Commercial power supply monitoring unit 134A to 134C ... Power supply control unit 135A to 135C ... Continuous operation information setting unit 136A to 136C ... Battery capacity monitoring unit

According to the embodiment for achieving the above object, an elevator in which a normal operation target range is set in advance includes a continuous operation information storage unit, a battery capacity monitoring unit, a power supply control unit, a continuous operation information setting unit, And an elevator control panel. The continuous operation information storage unit stores operation target range information for continuous operation during a power failure. The battery capacity monitoring unit outputs capacity decrease notification information when detecting that the capacity of the storage battery installed in the elevator is equal to or less than a predetermined value. Power supply control unit to start power supply to the elevator from the storage battery during a power outage, the the capacity decrease notification information from the battery capacity monitoring unit is output, Ru stops the power supply to the own elevator from the storage battery. Continuous operation information setting unit, based on the operating target range information when power supply to the own elevator is started from the battery to set the operating scope of the own elevator, the power supply to the own elevator is stopped from the storage battery When the operation is performed, the operation target range set in the own elevator is canceled, and the normal operation target range is set back . The elevator control panel controls the operation of the own elevator within the set operation target range.

Claims (7)

In an elevator that is installed in a building to be managed and has a preset target range for normal operation,
A continuous operation information storage unit for storing operation target range information for setting a partial floor in the building as an operation target range when the own elevator is continuously operated in the event of a power failure;
A power supply control unit for starting power supply from the storage battery to the own elevator in order to continuously operate the corresponding elevator when a power outage is detected;
When the power supply control unit starts supplying power from the storage battery to the own elevator, the operation target range information stored in the continuous operation storage unit is set as the operation target range of the own elevator. An information setting section;
An elevator control panel for controlling the operation of the own elevator within the set operation target range;
An elevator equipped with a continuous operation function during a power failure. When the power supply control unit detects the occurrence of a power failure and then detects that the power supply by the commercial power supply has been resumed, the power supply control unit stops the power supply from the storage battery into the own elevator,
When the continuous operation information setting unit detects that the power supply from the storage battery to the own elevator has stopped after setting the operation target range information, the continuous operation information setting unit cancels the operation target range information set for the own elevator and The elevator provided with the continuous operation function at the time of a power failure according to claim 1, wherein the floor is returned to a state where the floor is an operation target. The continuous operation information storage unit further stores transfer floor information indicating transfer floors to other elevators when continuous operation is performed based on the operation target range information,
The continuous operation information setting unit, when setting the operation target range information, transmits the transfer floor information to the elevator control panel so as to be output from an output device in a car of the own elevator. The elevator provided with the continuous operation function at the time of a power failure of Claim 1 or 2. A battery capacity monitoring unit that monitors the capacity of the storage battery and outputs a capacity decrease notification information to the power supply control unit when detecting that the capacity of the storage battery has become a predetermined value or less,
When the power supply control unit acquires the capacity decrease notification information from the battery capacity monitoring unit, the power supply control unit stops power supply from the storage battery to the own elevator,
The continuous operation information setting unit, when detecting that the power supply control unit stops the power supply from the storage battery to the own elevator, cancels the operation target range information set in the own elevator and displays all floors. The elevator equipped with the continuous operation function at the time of a power failure according to any one of claims 1 to 3, wherein the elevator is returned to a state to be operated. A plurality of the elevators are installed in the building,
When it is detected that the power supply from the storage battery has been stopped in another elevator in which the operation target range information different from the own elevator is set in the building, the predetermined floor in the operation target range information of the other elevator is detected. The vehicle further includes a continuous operation information update unit that includes floor information or all floor floor range information in the operation target range information of the own elevator and updates the operation target range information set by the continuous operation information setting unit. The elevator provided with the continuous operation function at the time of a power failure of any one of claim | item 1-4. The said elevator is an elevator corresponding to a priority user among the several elevators installed in the said building, The continuous operation function at the time of a power failure of any one of Claims 1-5 characterized by the above-mentioned. Elevator equipped with. An elevator that is installed in a building to be managed and whose operation target range is set in advance.
A continuous operation information storage step for storing operation target range information for setting a partial floor in the building as an operation target range when the own elevator is continuously operated in the event of a power failure,
A power supply control step of starting power supply from the storage battery to the own elevator to continuously operate the corresponding elevator when a power outage is detected;
When the power supply control step starts power supply from the storage battery into the own elevator, the operation target range information stored in the continuous operation storage step is set as the operation target range of the own elevator. An information setting step;
An elevator control step for controlling the operation of the own elevator within the set operation target range;
The elevator control method characterized by having.

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