JP2017024881A - Elevator group management system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To notify a user of a destination floor of each elevator car, following to allocation change using a simple display disposed on an entrance.SOLUTION: An elevator group management system according to one embodiment comprises: an entrance destination floor registration device 14; a group management control device 20; and plural displays 17a, 17b, 17c. The entrance destination floor registration device 14 is used for registering a destination floor of a user at an entrance 13. The group management control device 20 allocates the destination floor registered by the entrance destination floor registration device 14 to an optimal elevator car out of plural elevator cars, then, according to a getting-on state on the elevator car, changes allocation of the destination floor to other elevator car. The displays 17a, 17b, 17c are disposed on the entrance 13 corresponding to respective elevator cars, and display relationship between the elevator car to which the destination floor was initially allocated, the elevator car to which the destination floor is allocated by change of allocation, and the destination floor with simple symbols.SELECTED DRAWING: Figure 1

Description

  Embodiments described herein relate generally to an elevator group management system including a landing destination floor registration device.

  In recent years, an elevator system equipped with a hall destination floor registration device (HDC: Hall Destination Controller) that can directly designate a destination floor at a hall has been put into practical use. Such an elevator system is called a “destination floor control system (DCS)”. The DCS selects an optimum car from a plurality of cars based on the destination floor registered by the user at the boarding area, and makes the board respond. In this case, transport efficiency is improved by letting users on the same destination floor get on the same car. Each one of a plurality of cars is called “unit”, and a unit assigned a destination floor (a hall call information including the destination floor) is called “assigned number”.

JP 2012-180156 A JP 2014-101187 A

  In the above-described DCS, it is considered that the destination floor is reassigned to another car according to the boarding situation of the car after the assigned car is determined. In this case, it is necessary to inform to which unit the destination floor has been changed by the allocation change so that the user does not get on by mistake.

  The problem to be solved by the present invention is to provide a group management system for elevators that uses a simple indicator installed at a landing to inform the destination floor of each unit accompanying a change in allocation and prevent erroneous boarding. It is.

  An elevator group management system according to an embodiment is an elevator group management system that controls operation of a plurality of units, a landing destination floor registration device for registering a destination floor of a user at a landing, and the landing destination After allocating the destination floor registered by the floor registration device to the optimal unit among the above units, a control device that changes the allocation of the destination floor to other units according to the boarding status of the unit, and the landing A plurality of indicators are provided corresponding to each of the above-mentioned units, and display a relationship between a change source / destination unit and a destination floor by changing the assignment of the control device with simple symbols.

FIG. 1 is a block diagram illustrating a configuration of an elevator group management system according to an embodiment. FIG. 2 is a diagram for explaining the situation of the hall where the hall destination floor registration device according to the embodiment is installed. FIG. 3 is a flowchart showing the processing operation of the group management control apparatus according to the embodiment. FIG. 4 is a flowchart showing a change result display process of the group management control device in the embodiment. FIG. 5 is a diagram showing a specific example for explaining the relationship between a change source / change destination machine and a destination floor due to assignment change in the embodiment. FIG. 6 is a diagram showing a specific example for explaining the relationship between the change source / change destination machine and the destination floor due to the assignment change in the embodiment. FIG. 7 is a diagram illustrating an example of a display of a machine at the time of allocation change in another embodiment. FIG. 7 (a) is an example of a display of a change destination machine, and FIG. 7 (b) is an example of a display of a machine of a change source. is there.

  Hereinafter, embodiments will be described with reference to the drawings.

  FIG. 1 is a block diagram illustrating a configuration of an elevator group management system according to an embodiment. In the example of FIG. 1, a configuration in which three units (cars) are managed in groups is shown, but the configuration is not limited to this.

  The machine control devices 11a, 11b, and 11c are provided corresponding to each car (cars 12a, 12b, and 12c), and the machine unit alone includes a hoisting machine drive control (not shown) and a door opening / closing control. Control. The cars 12a, 12b, 12c move up and down in the hoistway by driving a hoisting machine (not shown). In the example of FIG. 1, the car 12a is the A machine, the car 12b is the B machine, and the car 12c is the C machine.

  Here, at the landing 13 on each floor, at least one landing destination floor registration device 14 is installed. A system in which the landing destination floor registration device 14 is installed on each floor is referred to as “full DCS”. The following description is based on the premise of a full DCS, but it is not necessarily a full DCS, and may be a DCS in which the landing destination floor registration device 14 is installed only on an arbitrary floor (reference floor).

  The landing destination floor registration device 14 is a device for a user to register a destination floor at the landing 13, and includes an operation unit 15 and a display unit 16. The operation unit 15 is a part where the user inputs a destination floor by operating a button. Note that the input method of the destination floor is not limited to the button operation, and the destination floor recorded in advance in the ID card may be read. The display unit 16 includes a display panel such as an LCD (Liquid Crystal Display), for example, and displays a destination floor registered by the user and a number assigned to the destination floor.

  In addition, display units 17a, 17b, and 17c and speakers 18a, 18b, and 18c are installed in the vicinity of the landing of each unit (near a landing door (not shown)) corresponding to each unit. These are used as devices for notifying the user waiting at the hall 13 about the relationship between the destination floor and the car. In practice, indicators 17a, 17b, 17c and speakers 18a, 18b, 18c are installed at the hall 13 on each floor.

  The indicators 17a, 17b, and 17c are simple indicators called “Hall Indicators”, and include, for example, segment displays using LEDs (light emitting diodes). The indicators 17a, 17b, and 17c display, in addition to the operation direction and current position of each unit, here the relationship between the change source / destination unit and the destination floor with simple symbols when there is an allocation change. To do.

  The speakers 18a, 18b, and 18c are used as warning sound generators for outputting a sound announcement regarding the operation of each unit and for generating a warning sound when the assignment is changed.

  The machine control devices 11a, 11b, 11c, the landing destination floor registration device 14, the indicators 17a, 17b, 17c, and the speakers 18a, 18b, 18c are connected to the group management control device 20, respectively.

  The group management control device 20 is a host device that performs group management control on the operation of each car (cars 12a, 12b, 12c). In the present embodiment, the group management control device 20 is provided with a call management unit 21, an allocation control unit 22, a boarding situation detection unit 23, an operation monitoring unit 24, a display control unit 25, and a warning unit 26. These are processing units executed by software on the microprocessor, and information can be exchanged between the respective units.

  Here, for convenience, the call management unit 21, the allocation control unit 22, the boarding state detection unit 23, the operation monitoring unit 24, the display control unit 25, and the warning unit 26 are all arranged in the group management control device 20 and described. However, they are not necessarily arranged in the same device, and may be arranged in different devices.

  The call management unit 21 associates the destination floor of the user registered by the landing destination floor registration device 14 with the number of machines (assigned number) to which the destination floor is assigned and stores them in the table 21a.

  The assignment control unit 22 assigns the destination floor registered by the user to the optimum number of each number. Specifically, for example, the evaluation value of each unit is obtained based on the current position and driving direction of each unit and the destination floor of the user, and the unit having the highest evaluation value is assigned as the optimal unit. Further, the assignment control unit 22 changes the assignment of the destination floor assigned to the relevant car to another car according to the boarding situation of the assigned car detected by the boarding situation detecting unit 23.

  The boarding status detection unit 23 detects the boarding status of each car. In detail, the boarding condition detection part 23 calculates | requires the present boarding number from the unanswered hall call information memorize | stored in the table 21a of the call management part 21, and it is in the situation where it is full from the number of boarding persons or it is close to a full condition. Judging. In addition, since there are users who ride without registering the destination floor with the landing destination floor registration device 14, the number of passengers is detected in consideration of the loaded load value obtained from a load sensor (not shown) installed in each unit. And If the number of passengers is equal to or close to the rated number of passenger cars, it is determined that the number of passengers is full or nearly full.

  The operation monitoring unit 24 monitors the operation state of each unit. The operation status of each unit includes the current position and driving direction.

  The display control unit 25 controls to display the relationship between the change source / change destination machine and the destination floor on the display units 17a, 17b, and 17c of each unit with a simple symbol in accordance with the assignment change by the assignment control unit 22. I do. The “simple symbols” are, for example, numbers and alphabets. The warning unit 26 generates a warning sound through the speakers 18a, 18b, 18c of each unit when the destination floor is changed.

  FIG. 2 is a diagram for explaining the situation of the hall 13 where the hall destination floor registration device 14 is installed.

  When the user operates the operation unit 15 of the landing destination floor registration device 14 to register the destination floor, two sets of information on the destination floor and the registration floor (the floor on which the destination floor registration operation has been performed) are combined into one set. The hall call information is sent to the group management control device 20 shown in FIG. As a result, the group management control device 20 assigns the destination floor obtained as the hall call information to the most appropriate car in each car, and makes the car (allocated car) respond to the registration floor where the user waits.

  Here, the display unit 16 of the landing destination floor registration device 14 displays the destination floor registered by the user, and also displays the machine to which the destination floor is assigned. In addition, the indicators 17a, 17b, and 17c installed at the hall 13 display the destination floor assigned to each unit.

  For example, it is assumed that the second floor is registered as the destination floor of the user in the landing destination floor registration device 14 and the No. A machine is assigned. In this case, first, a symbol “2” indicating the destination floor registered by the user is displayed on the display unit 16 of the landing destination floor registration device 14 operated by the user, and subsequently a symbol “A” indicating the assigned number machine is displayed. Is displayed. On the other hand, the symbol “2” indicating the destination floor is displayed on the display device 17a corresponding to the No. A machine.

  Here, in DCS, each unit is operated efficiently by assigning the same destination floor to the same unit. However, for example, when there are many users who get on without registering the destination floor, users who have registered the destination floor on other floors cannot get on the relevant car. In such a case, the user's destination floor is reassigned to another unit.

  At that time, it is necessary to notify the user immediately to which unit the allocation has been changed. However, since the displays 17a, 17b, and 17c generally installed on the landing 13 are simple displays, they can display only one line number of characters, that is, an expensive display such as an LCD is not used. , You can not be notified in detail in the message.

  Therefore, when the allocation is changed, the display for the change source / change destination machine is performed as follows.

・ Display of change source “(Deleted destination floor)” ⇔ “→” + (Change destination machine) ”alternate display The change source machine displays the registered floor (the floor where the destination floor registration operation was performed) When passing, the display of the change source is erased.

-Display of change destination Alternate display of "(change source unit) +" → "" ⇔ "(additional destination floor)" When the change destination unit arrives at the registration floor and departs, the above change destination The display is turned off.

  In addition, when the change-destination unit arrives at the registration floor and departs before the change-source unit, the following display is made at the change source.

-Display of change source Alternate display of "(desired destination floor)""" → "+ X""X" is a symbol indicating that the change destination machine has already started.

  The operation of this system will be described in detail below.

  FIG. 3 is a flowchart showing the processing operation of the group management control device 20 in this system.

  When the user operates the landing destination floor registration device 14 to register the destination floor (Yes in step S11), the hall call information including the two information of the destination floor and the registration floor as one set is group management control device 20. Is stored in the table 21 a of the call management unit 21 and is given to the allocation control unit 22.

  When receiving the new hall call information, the assignment control unit 22 assigns the destination floor included in the hall call information to one of the cars 12a, 12b, 12c (step S12). In this case, the car that can respond the earliest is determined as the assigned car in consideration of the destination floor of the user.

  When the assigned number is determined, information on the destination floor and the assigned number is stored in the table 21a of the call management unit 21 in association with each other. The display unit 16 of the landing destination floor registration device 14 displays the destination floor registered by the user and the assigned number. In addition, since the display method of the destination floor and the assigned number machine with respect to the landing destination floor registration apparatus 14 is not directly related to the present invention, the description thereof will be omitted.

  Here, for example, in the landing destination floor registration device 14 installed in the landing 13 on the first floor, it is assumed that the user's destination floor is registered and the No. A machine is assigned. In this case, the group management control device 20 displays the destination floor on the display 17a of the No. A machine installed on the first floor through the display control unit 25 (step S13). More specifically, the multi-digit segment constituting the display device 17a is driven and controlled, and the number representing the destination floor of Unit A is displayed in a predetermined color (for example, yellow). When the assigned machine A arrives at the “first floor” (Yes in step S14), the display of the destination floor is erased from the display 17a of the machine A (step S15).

  On the other hand, if it is detected by the boarding condition detection part 23 that the A machine which is an assigned car arrives at the "1st floor", the A machine is full or nearly full (Yes in step S16). Then, the allocation control unit 22 changes the allocation of the destination floor (specifically, hall call information including the destination floor) allocated to Unit A (step S17). In this case, the most appropriate unit is selected in consideration of the operation status (current position, driving direction, etc.) of each unit other than Unit A (Unit B and Unit C here) and the boarding situation, and the destination floor is assigned to that unit. Be changed. With this allocation change, the table 21a of the call management unit 21 is also rewritten.

  Further, the group management control device 20 displays on the hall 13 of the registered floor which machine the destination floor registered by the user has been changed by the allocation change (step S18). In this case, if the change source is No. A and the change destination is No. B, the No. 17 display unit 17a and the No. B display unit 17b installed at the landing 13 on the registration floor are assigned to each unit with a change in allocation. Will be displayed with simple symbols.

  FIG. 4 shows the change result display process executed in step S18. This change result display process is divided into a change-source machine and a change-destination machine (step S21). In the following description, it is assumed that the first floor is the registration floor (the floor on which the destination floor registration operation has been performed), the assignment change source is A machine, and the assignment change destination is B machine.

  For the A machine that is the change source, the group management control device 20 first deletes the destination floor from the destination floor currently displayed on the display 17a of the A machine on the first floor through the display control unit 25 by the assignment change. Is displayed as a symbol in a display form different from the normal one (step S22), and the change destination machine is displayed as a symbol (step S23).

  Specifically, the multi-digit segment constituting the display unit 17a of the first floor A machine is driven and controlled, the destination floor deleted by the assignment change is a number, and the destination machine is a one-letter alphabet with an arrow (for example, “ → B ”). At this time, symbols representing the destination floor and the car are alternately displayed at predetermined time intervals. This is because the display 17a is a simple display and cannot display a large amount of information at a time. Further, at this time, in order to notify that the allocation is changed, it is displayed in a different color (for example, red).

  Further, the group management control device 20 generates a warning sound of a predetermined tone from the speaker 18a of the first floor A machine through the warning section 26, thereby notifying that the user's destination floor has been moved to another machine. (Step S24).

  Until the change machine No. A passes through the first floor (No in step S27), the display in steps S22 and S23 is repeated. Note that the warning sound in step S24 may be generated only once when the allocation is changed, or may be generated at predetermined time intervals.

  In addition, when the change-source No. B passes through the first floor, and the change-destination No. B arrives at the first floor first (Yes in step S25), the group management control device 20 displays a symbol indicating that the change-destination car has started on the display 17a of the car A through the display control unit 25 (step S26). Specifically, instead of the symbol “B” indicating the name of the change destination car, the symbol “X” indicating that the change destination car has already started is displayed in the same color (red).

  When the change source No. A passes through the first floor (Yes in step S27), the group management control device 20 erases the display of the destination floor and the change destination No. from the display 17a of the No. A through the display control unit 25. (Step S28).

  On the other hand, for the B machine that is the change destination, the group management control device 20 first displays the destination floor that is added to the display unit 17b of the B machine on the first floor through the display control unit 25 by the assignment change. The symbol is displayed in the form (step S29), and the change-source machine is displayed as a symbol (step S30).

  Specifically, the multi-digit segment constituting the display unit 17b of the first floor B machine is driven and controlled, the destination floor added by the assignment change is a number, and a one-letter alphabet with an arrow indicating the change source machine (for example, “A →”). At that time, symbols representing the destination floor and the machine are alternately displayed. This is because the display 17b is a simple display and cannot display a large amount of information at a time. Further, in order to notify that the allocation is changed, it is assumed that the color is displayed in a color different from normal and different from the original color (for example, green).

  In addition, the group management control device 20 generates a warning sound of a predetermined tone from the speaker 18b of the first floor B machine through the warning section 26, thereby notifying that the user's destination floor has been moved to the corresponding station. (Step S31). The warning sound at this time is generated with a tone color different from that of the change source. For example, if a warning sound “pong pin” is generated from the speaker 18a of the machine A that is the change source in step S24, the “ping pong” is issued from the speaker 18b of the machine B that is the change destination. Is generated (a sound that falls from high to low).

  The display of the above steps S29 and S30 is repeated until the B machine that is the change destination arrives on the first floor (No in step S32). Note that the warning sound in step S31 may be generated only once when the allocation is changed, or may be generated at predetermined time intervals.

  When the change target No. B arrives on the first floor (Yes in step S32), the group management control device 20 erases the display of the destination floor and the change source No. from the display 17b of the No. B through the display control unit 25 ( Step S33).

Specific examples are shown in FIGS.
Now, paying attention to the display 17a of the A machine and the display 17b of the B machine installed at the hall 13 on the 20th floor, the relationship between the change source / change destination machine and the destination floor due to the allocation change will be described.

  (1) Assume that the 10th, 18th and 19th floors are registered as destination floors on the 20th floor. Of these, if the 18th and 19th floors are assigned to Unit A, the symbol [18 19] representing the destination floor of Unit A is displayed on the display unit 17a of Unit 20 on the 20th floor (see a1 in the figure). ). If the 10th floor is assigned to the B machine, the symbol [10] indicating the destination floor of the B machine is displayed on the display 17a of the 20th floor A machine (see b1 in the figure).

  (2) Suppose that Unit A becomes full when it responds to another landing call registered on the 23rd floor. In addition, since it is DCS, the allocation is distributed to other units so as not to become full in the original, but in the following cases, Unit A may become full.

  When a plurality of users get on the same floor, the DCS needs to register the destination floor once for each user. However, if there is a user who gets on Unit A without registering the destination floor, the actual number of passengers will be greater than the number of passengers recognized by DCS.

・ Example 1
For example, when a group of 5 people heads to the first floor, only one representative registers the destination floor, and five people board at the same time when Unit A arrives on the 23rd floor.

・ Example 2
When Unit A arrives on the 23rd floor, a user who sees the destination display on the first floor and turns on the lantern in the downward direction enters the Unit A without registering the destination floor.

・ Example 3
In the state where passengers bound for the first floor are assigned to Unit A and Unit B on the 23rd floor, a user who should get on Unit B gets on Unit A that has arrived on the 23rd floor first.

Example 4
A user who is assigned a machine other than Unit A on the 23rd floor accidentally gets on Unit A.

・ Example 5
A user who has been assigned a unit other than Unit A on the 23rd floor intentionally gets on Unit A in the same downward direction and wants to move down quickly.

  Here, it is assumed that the destination floors of the 18th floor and the 19th floor have been changed to the Bth floor due to the fact that Unit A is full or nearly full on the 23rd floor.

  On the display 17a of the 20th floor of Unit A, the symbol [18 19] indicating the destination floor deleted by the allocation change and the symbol [→ B → B] indicating the destination vehicle are alternately displayed in red (FIG. A2). On the other hand, on the display 17b of the 20th floor B machine, the symbol [18 19] representing the destination floor added by the allocation change and the symbol [A → A →] representing the change origin machine are alternately displayed in green. (See b2 in the figure). In addition, since the 10th floor is already assigned to the B machine, the symbol “10” representing the 10th floor is fixedly displayed in yellow.

  Also, the change source or change destination is distinguished by the position of the arrow attached to the alphabet representing the number machine. In other words, if the arrow is added in front of the alphabet representing the number machine, for example, [→ B], it is the change source. For example, if an arrow is added after the alphabet representing the number machine, such as [A →], it is a change destination.

  Further, a warning sound is generated from the speaker 18a of the A machine and the speaker 18b of the B machine. In this case, a warning sound “pong pin” is generated from the speaker 18a of the machine A that is the change source, and a warning sound “ping pong” is generated from the speaker 18b of the machine B that is the change destination. (A sound that falls from high to low). That is, the change source or the change destination is distinguished by the difference in warning sound.

  (3) If Unit B has not arrived at the 20th floor before Unit A passes through the 20th floor, the display similar to the above (2) is continuously displayed on the display unit 17a of the A floor on the 20th floor. Is performed (see a3 in the figure). Moreover, the display similar to said (2) is continuously performed also on the indicator 17b of the 20th floor B machine (refer b3 in a figure).

  (4) If Unit B arrives first on the 20th floor before Unit A passes the 20th floor, the display 17a of the 20th floor A unit will display the symbol “B” indicating the name of the destination unit Instead, the symbol “X” indicating that the change-destination car has already started is displayed in red (see a4 in the figure). When this symbol “X” is displayed, Unit B has started from the 20th floor, so if the user is not on the Unit B, it is necessary to register the destination floor again.

  The symbol indicating that the change-destination machine has already started is not limited to the letter “X”, and may be another symbol such as “x” or “−”.

  On the other hand, when No. B arrives at the 20th floor and departs, the display of the destination floor and the change source No. is deleted from the display 17b of the No. B machine on the 20th floor (see b4 in the figure).

  (5) Unit A passes through the 20th floor in a full state and heads to the first floor. When the A machine passes through the 20th floor, the display of the destination floor and the change destination machine is erased from the display 17a of the A machine on the 20th floor (see a5 in the figure).

  On the other hand, Unit B leaves the 20th floor and stops at the 19th, 18th and 10th floors. The display of the destination floor and the change-source car has already been erased from the display 17b of the 20th floor B machine (see b5 in the figure).

  In this way, when there is a change in allocation, the relationship between the change source / destination unit and the destination floor is displayed with simple symbols, so that it is not necessary to use a display that can be displayed in detail, and is generally used for halls. It is possible to correctly tell which unit the destination floor has been reassigned using only the simple display used in

  In addition, since many users are waiting at the landing during busy hours such as in the morning work hours, it is necessary to immediately find the unit to be boarded and wait in front of the unit. At that time, since it takes time to grasp the message display, there is a possibility that it is delayed or the wrong unit is to be boarded. On the other hand, in this system, since it is a symbol display, it is possible to instantly know which unit the destination floor has been reassigned, and anyone can know the unit to ride by simply looking at the symbol regardless of the language be able to.

  According to at least one of the embodiments described above, an elevator group management system is provided that uses a simple indicator installed at a landing to inform the destination floor of each car associated with the allocation change and prevent erroneous boarding can do.

  In the above embodiment, the destination floor is represented by a number and the machine is represented by an alphabet, but may be displayed using a symbol other than a number or a character.

  In addition to the method of changing the display color as a display mode at the time of allocation change, as shown in the example of FIG. 7, the change-destination machine and the change-source machine are displayed in reverse so as to display the allocation change. It is also possible to emphasize. FIG. 7A is an example of the display of the change destination machine, and is highlighted in red, for example. FIG. 5B shows an example of the display of the change source machine, which is highlighted in green, for example.

  In short, several embodiments of the present invention have been described, but these embodiments are presented as examples 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 scope 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.

  11a, 11b, 11c ... Unit control device, 12a, 12b, 12c ... Ride car, 13 ... landing, 14 ... landing destination floor registration device, 15 ... operation part, 16 ... display part, 17a, 17b, 17c ... indicator, 18a, 18b, 18c ... speaker, 20 ... group management control device, 21 ... call management unit, 21a ... table, 22 ... allocation control unit, 23 ... boarding status detection unit, 24 ... operation monitoring unit, 25 ... display control unit, 26: Warning section.

An elevator group management system according to an embodiment is an elevator group management system that controls operation of a plurality of units, a landing destination floor registration device for registering a destination floor of a user at a landing, and the landing destination After allocating the destination floor registered by the floor registration device to the optimal unit among the above units, a control device that changes the allocation of the destination floor to other units according to the boarding status of the unit, and the landing A plurality of indicators that are provided corresponding to each of the above-mentioned units, and that display the relationship between the change-destination / change-destination unit due to the allocation change of the control device and the destination floor with simple symbols, The first display unit corresponding to the change source unit in the display displays the destination floor and the change destination unit deleted by the allocation change with a predetermined symbol, and displays the change destination unit in each of the above display units. The corresponding second indicator is assigned variable Show change source Unit and destination floor to be added at a predetermined symbol by.

Claims (10)

In the elevator group management system that controls the operation of multiple units,
A landing destination floor registration device for registering a user's destination floor at a landing on any floor;
A control device that assigns the destination floor registered by the landing destination floor registration device to the optimal unit in each of the units, and then changes the allocation of the destination floor to another unit according to the boarding status of the unit;
A plurality of indicators provided at the landing corresponding to each of the above-mentioned units, and displaying the relationship between the change-source / change-destination of the control device and the destination floor and the destination floor with simple symbols. A featured elevator group management system. The first indicator corresponding to the change source machine in each of the above indicators,
Destination floors to be deleted due to assignment change and the destination machine are displayed with a predetermined symbol,
The second indicator corresponding to the change-destination machine in each of the above indicators,
2. The elevator group management system according to claim 1, wherein the destination floor added by the allocation change and the change-source car are displayed with a predetermined symbol. The first indicator is
Destination floors to be deleted due to assignment change and the destination machine are displayed alternately,
In the second indicator,
3. The elevator group management system according to claim 2, wherein the destination floor added by the allocation change and the change source car are alternately displayed. The first indicator is
Destination floors to be deleted due to assignment change and the destination machine will be displayed in a different primary color,
The second indicator is
3. The elevator group management system according to claim 2, wherein the destination floor added by the allocation change and the change source car are displayed in a second color different from the first color. The first indicator is
Emphasize that it is an allocation change by highlighting the above destination machine,
The second indicator is
5. The elevator group management system according to claim 4, wherein it is emphasized that the allocation is changed by inverting the change-source car. The first indicator is
Until the changer's unit passes through the floor where the destination floor registration operation has been performed, the destination floor and the changeover's unit deleted by the assignment change are displayed with a predetermined symbol. 3. The elevator group management system according to claim 2, wherein when the vehicle arrives at the floor and departs, another symbol is displayed in place of the symbol representing the destination car. The first indicator is
When the source machine passes the floor where the destination floor registration operation has been performed, the symbol display of the destination floor and the destination machine to be deleted by the allocation change will be erased.
The second indicator is
3. The elevator group management system according to claim 2, wherein when the change-destination unit arrives at the floor and departs, the symbol display of the destination floor and the change-destination unit added by the allocation change is erased. In the first display,
Destination floors that are deleted due to assignment changes are represented by numbers, and the destination machine is represented by letters,
In the second indicator,
3. The elevator group management system according to claim 2, wherein the destination floor added by the allocation change is represented by a number, and the change source unit is represented by an alphabet.   The group of elevators according to claim 1, further comprising a plurality of generators provided at the landing corresponding to each of the units, and generating a warning sound when the assignment is changed by the control device. Management system. The generator corresponding to the change source machine in each of the above generators,
A first warning sound is generated,
The generators corresponding to the change-destination unit among the above generators are
10. The elevator group management system according to claim 9, wherein a second warning sound having a tone color different from that of the first warning sound is generated.

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