JP2014015321A - Elevator system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid wasteful operation to a floor where a user is not present and suppress power consumption while grasping arrival time of a car when a control device returns from a stand-by state.SOLUTION: A landing call registration device 13 installed on each floor comprises: a call button 21; an indicator 22; an arrival time calculation section 23 for calculating arrival time of a car when the call button 21 is depressed during power-saving; a display control section 24 for displaying the arrival time of the car on the indicator 22; and a start-up control section 25 that outputs a start request signal to a control device in a stand-by state and causes the car to respond to a call registration floor when the call button 21 is depressed again within predetermined time after display of the arrival time of the car.

Description

  Embodiments of the present invention relate to an elevator system that reduces power consumption by putting a control device in a standby state during power saving.

  In recent years, due to the shortage of electric power, further power saving measures have been demanded, such as “total amount regulation” of electric power being planned. As a power saving measure, for example, there is a method of stopping the operation of an elevator during a quiet time. However, even if the operation of the elevator is stopped, the control device and the display device are in an energized state and consume so-called “standby power”. Therefore, in order to reduce such standby power as much as possible, it is considered that the power supply of the control device is shut off to be in a standby state.

JP 2009-91132 A

  However, if the power supply of the control device is shut off to enter a standby state, it takes time to start up. For this reason, even if the call button is pressed, the arrival of the car is slow, and the user may not be able to wait and use the stairs. In such a case, the car is caused to respond to a floor where there is no user, so that power is wasted.

  The problem to be solved by the present invention is that an elevator capable of grasping the arrival time of a car when returning from a standby state, and avoiding unnecessary driving to a floor where there is no user and suppressing power consumption. Is to provide a system.

  The elevator system according to the present embodiment is a hall call having a control device for controlling the operation of a car, a call button for registering a call, and a display for displaying a driving state, which is installed at a hall on each floor. A registration device.

  The landing call registration device includes an arrival time calculating means for calculating an arrival time of the car when the call button is pressed during power saving, and an arrival time of the car calculated by the arrival time calculating means. When the call button is pressed again within a predetermined time after displaying the arrival time of the car and the display control means to be displayed on the display unit, an activation request signal is sent to the control device in a standby state. And an activation control means for outputting the above car and responding to the registration floor.

FIG. 1 is a block diagram showing the configuration of the elevator system according to the first embodiment. FIG. 2 is a block diagram showing a functional configuration of the hall call registration device of the elevator system in the same embodiment. FIG. 3 is a flowchart showing the operation of the elevator system according to the embodiment. FIG. 4 is a diagram showing a display example of the hall call registration device during normal operation in the same embodiment. FIG. 5 is a diagram illustrating a display example when the hall call registration device during power saving in the standby state is in a standby state. FIG. 6 is a diagram illustrating a display example when the call button of the hall call registration device during power saving is pressed once in the same embodiment. FIG. 7 is a diagram showing a display example when the call button of the hall call registration device during power saving is pressed again in the embodiment. FIG. 8 is a block diagram showing the configuration of the elevator system according to the second embodiment. FIG. 9 is a block diagram showing a functional configuration of the hall call registration device of the elevator system in the same embodiment. FIG. 10 is a flowchart showing the operation of the elevator system in the same embodiment. FIG. 11 is a diagram showing a specific example for explaining a method for determining an assigned number of elevator systems in the embodiment. FIG. 12 is a diagram showing another specific example for explaining a method for determining an assigned number of elevator systems in the embodiment.

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

(First embodiment)
FIG. 1 is a block diagram showing the configuration of the elevator system according to the first embodiment.

  The elevator system in the present embodiment includes an elevator control device 11 and a hall call registration device 13 on each floor connected to the elevator control device 11 via a serial transmission cable 12.

  The elevator control device 11 is installed in a hoistway in a machine room or machine roomless type elevator. The elevator control device 11 is configured by a computer and controls the entire elevator including operation control of the car 1.

  The car 1 is suspended from a hoisting machine 4 through a rope 3 together with a counterweight 2. When the hoisting machine 4 is driven by the elevator control device 11, the car 1 and the counterweight 2 move up and down between the floors in a slidable manner via the rope 3.

  The hall call registration device 13 is a device for registering a hall call and is also called “HIB (Hall Indicator Button). The hall call registration device 13 of each floor is installed at the hall of each floor, It has a call button 21 for registration and a display 22 for displaying the operating state.

  The call button 21 includes a direction button for designating a destination direction. Usually, only the downward button is provided on the top floor, only the upward button is provided on the bottom floor, and the up and down buttons are provided as call buttons 21 on the other floors. When the call button 21 is pressed, a hall call signal including destination direction and call registration floor information is transmitted to the elevator controller 11 via the serial transmission cable 12. When the elevator control device 11 receives this hall call signal, the hoisting machine 4 drives to cause the car 1 to respond to the call registration floor.

  The display 22 is composed of, for example, an LCD (Liquid Crystal Display), and displays information related to the driving state such as the current position and driving direction of the car 1 and various messages. Further, when a security camera for security is installed in the car 1, an image of the security camera is displayed on the display 22.

  Here, in the present embodiment, the hall call registration device 13 on each floor has a function of calculating the time required for arrival of the car 1 according to the pressing operation of the call button 21 during power saving and displaying it on the display 22. And a function of transmitting an activation request signal to the elevator control device 11.

  FIG. 2 is a block diagram showing a functional configuration of the hall call registration device 13 of the elevator system in the same embodiment. The hall call registration device 13 on each floor has a common configuration.

  The hall call registration device 13 is provided with a call button 21 and a display 22 respectively, and an arrival time calculation unit 23, a display control unit 24, and an activation control unit 25 are provided as control functions related to the present embodiment. It has been.

  The arrival time calculation unit 23 calculates the arrival time of the car 1 when the call button 21 is pressed during power saving. The display control unit 24 displays the arrival time of the car 1 calculated by the arrival time calculation unit 23 on the display 22. When the call button 21 is pressed again while the arrival time of the car 1 is displayed on the display 22, the activation control unit 25 outputs an activation request signal to the elevator control device 11 in the standby state. Call car 1 and respond to the registration floor.

  Next, the operation of the embodiment will be described.

  FIG. 3 is a flowchart showing the operation of the elevator system according to the embodiment. In addition, the process shown by this flowchart is performed by the hall call registration apparatus 13 of each floor.

  When the power saving time zone is reached, the operation of the car 1 is stopped by a predetermined operation, the power source of the elevator control device 11 is shut off, and the standby state is entered (the power is turned off). At that time, the standby position of the car 1 is transmitted from the elevator control device 11 to the hall call registration device 13 on each floor before entering the standby state.

  The hall call registration device 13 on each floor receives the standby position of the car 1 from the elevator control device 11 (steps S101 and S102) and enters a standby state (step S103). However, in the hall call registration device 13 on each floor, the display is simply erased or displayed with reduced brightness, and the power is not shut off (the power is on).

  Here, when the call button 21 is pressed on any floor (Yes in step S104), the following processing is executed.

  It is assumed that the car 1 is waiting on the third floor and the call button 21 provided in the hall call registration device 13 on the first floor is pressed. The hall call registration device 13 calculates the time (arrival time t) until the car 1 arrives at the first floor, which is the call registration floor, from the standby position (step S105).

  Specifically, the hall call registration device 13 first calculates the time (travel time T) required for traveling from the standby position of the car 1 to the first floor, which is the call registration floor, as follows.

When the travel distance is S [m], the rated speed is V [m / s], the acceleration a [m / s ² ], and the jerk j [m / s ³ ],
T = S / V + V / a + 3 * a / j (* is a multiplication symbol) (1)
The travel distance S can be calculated from the floor height of each floor. For example, when the floor height of each floor is 4 m, the travel distance S from the third floor to the first floor is S = 4 m * 2 = 8 m. The floor height, rated speed, acceleration, and jerk are set in advance.

  The hall call registration device 13 calculates the arrival time t of the car 1 by adding the time required for starting the elevator control device 11 (starting time W) to the travel time T thus obtained (t = T + W). It is assumed that the activation time W is determined in advance according to the performance of the elevator control device 11.

  When the arrival time t of the car 1 is obtained in this way, the hall call registration device 13 displays the arrival time t (travel time T and start time W) on its display 22 and presses the call button 21 again. The message is displayed together with a prompting message (step S106). If the call button 21 is pressed again within a certain time (for example, within 5 seconds) after the arrival time t is displayed (Yes in step S107), the hall call registration device 13 determines that the user has a willingness to board. Then, an activation request signal is output to the elevator control device 11 (step S108).

  In response to the activation request signal, the elevator control device 11 is activated, and the waiting car 1 starts to respond to the call registration floor. In addition, with the activation of the elevator control device 11, the hall call registration device 13 on each floor performs normal display. In addition, after the driving service of the car 1 ends, if there is no call registration for a certain period of time, it is assumed that a transition is made to a standby state.

  On the other hand, if the call button 21 is not pressed again within a certain time (for example, within 5 seconds) after the arrival time t is displayed (No in step S107), the user has no intention to board and leaves the landing. It is judged. In this case, the elevator control device 11 is not started and the standby state is maintained as it is.

  Here, a display method of the hall call registration device 13 until returning from the standby state will be described.

  FIG. 4 is a diagram showing a display example of the hall call registration device 13 during normal operation. In the figure, 31 is a landing and 32 is a landing door.

  The hall call registration device 13 is installed near the hall door 32. During normal driving, the display 22 of the hall call registration device 13 displays the driving state of the car 1 (car position, driving direction, full capacity, etc.) and the video of the security camera.

  5 to 7 are diagrams showing display examples of the hall call registration device 13 during power saving. FIG. 5 shows a standby state, FIG. 6 shows a case where the call button 21 is pressed once, and FIG. The example of a display when 21 is pushed again is shown.

  Due to power saving, the power supply of the elevator control device 11 is cut off and is in a standby state. At this time, the hall call registration device 13 on each floor displays on the display 22 that power is being saved, as shown in FIG. Note that display is preferably performed with reduced brightness in order to reduce power consumption. Alternatively, the display may be erased.

  Here, it is assumed that the user comes to the landing 31 on any floor and presses the call button 21 of the landing call registration device 13 on that floor. As shown in FIG. 6, when the call button 21 is pressed, the time until the car 1 arrives at the floor is calculated and displayed on the display 22 together with a message prompting the user to press the call button 21 again. .

  In the example of FIG. 6, it is displayed that it takes about 35 seconds to arrive because power is being saved. In addition, a message prompting the user to press the call button 21 again is displayed, and the arrival time is specifically displayed as 20 seconds for the activation time and 15 seconds for the travel time. At this time, the elevator controller 11 is not activated again. Therefore, even if the user confirms the arrival time displayed on the display 22 and leaves the landing, useless driving can be avoided.

  When the user presses the call button 21 again within a certain time (for example, within 5 seconds), the hall call registration device 13 outputs an activation request signal to the elevator control device 11. At this time, as shown in FIG. 7, “Starting” is displayed on the display 22, and the car 1 responds to the floor by starting the elevator control device 11.

  As described above, when the call button 21 is pressed while the elevator controller 11 is in the standby state, the arrival time of the car 1 is displayed. You can wait on the spot. In addition, since the elevator control device 11 is not actually activated unless the call button 21 is pressed again, even if the user uses the stairs without waiting for the arrival of the car 1, it is possible to prevent power consumption due to unnecessary driving. it can.

(Second Embodiment)
Next, a second embodiment will be described.

  In the first embodiment, the description has been given assuming a system that controls the operation of one elevator. However, in the second embodiment, a system that performs group management control of the operation of a plurality of elevators is assumed. .

  FIG. 8 is a block diagram showing a configuration of an elevator system according to the second embodiment, and shows a configuration in which a plurality of elevators (here, three units of A to C) are group-managed.

  41a-41c in a figure is a number machine control apparatus, 42a-42c is a passenger car. The number machine control devices 41a to 41c are provided for each number machine and perform operation control of the corresponding number machine. Specifically, control of a motor (winding machine) (not shown) for raising and lowering the cars 42a to 42c and opening / closing control of the door are performed. These machine control devices 41a to 41c are configured by a computer.

  The cars 42a to 42c move up and down in the hoistway by driving a motor. A car call registration device having a destination floor button (not shown) is installed in the cars 42a to 42c. The car call signal registered by operating the destination floor button of the car call registration device is transmitted to the group management control device 43 via the car control devices 41a to 41c corresponding to the cars 42a to 42c.

  The group management control device 43 performs group management control of the operation of the elevators of the A to C machines. The group management control device 43 is configured by a computer, and is installed in a machine room or the like together with the machine control devices 41a to 41c.

  In addition, a hall call registration device 44 for registering hall calls is installed at the halls on each floor. These hall call registration devices 44 are connected to the group management control device 43 and the number machine control devices 41 a to 41 c via a serial transmission cable 45. The hall call registration device 44 on each floor has a call button 51 for registering a hall call and a display 52 for displaying the driving state.

  When the call button 51 is pressed, a hall call signal including destination direction and call registration floor information is transmitted to the group management control device 43 via the serial transmission cable 45. When the group management control device 43 receives the landing call signal, the group management control device 43 assigns the landing call to the most appropriate car in each car and makes it respond to the call registration floor. A car assigned a hall call is called an "assigned car".

  As a method for assigning hall calls, a generally known method is used. In general, for example, a method is used in which an evaluation value is obtained based on information such as the position and direction of the elevator car of each elevator, and an elevator having the highest evaluation value is assigned as an optimal number.

  Here, the hall call registration device 44 on each floor calculates a function for determining the assigned machine on behalf of the group management control device 43 in response to the pressing operation of the call button 51 during power saving, and the time required for arrival of the assigned machine. And a function for transmitting the activation request signal to a control device corresponding to the assigned number machine.

  FIG. 9 is a block diagram showing a functional configuration of the hall call registration device 44 of the elevator system in the same embodiment. The hall call registration device 44 on each floor has a common configuration.

  The hall call registration device 44 on each floor is provided with a call button 51 and a display 52, respectively. As control functions related to the present embodiment, an assigned number determination unit 53, an arrival time calculation unit 54, a display control unit. 55, an activation control unit 56 is provided.

  When the call button 51 is pressed during power saving, the assigned car determination unit 53 determines the car that requires the least power for driving to the call registration floor among the cars 42a to 42c as the assigned car. The assigned machine determination unit 53 corresponds to the assignment control function of the group management control device 43, but does not use an advanced evaluation function formula or the like, and simply determines the assigned machine based on conditions described later. Is.

  The arrival time calculator 54 calculates the arrival time of the assigned car (any of the cars 42a to 42c) determined by the assigned car determiner 53. The display control unit 55 displays the arrival time of the assigned number machine calculated by the arrival time calculation unit 54 on the display 52. When the call button 51 is pressed again while the arrival time of the assigned number is displayed on the display 52, the activation control unit 56 corresponds to the assigned number among the numbered control devices 41a to 41c in the standby state. An activation request signal is output to the machine controller to call the assigned machine and respond to the registration floor.

  Next, the operation of the embodiment will be described.

  FIG. 10 is a flowchart showing the operation of the elevator system in the same embodiment. In addition, the process shown by this flowchart is performed by the hall call registration apparatus 44 of each floor.

  When the power saving time zone comes, the operation of each of the cars (cars 42a to 42c) is stopped by a predetermined operation, and the power of the car control devices 41a to 41c is cut off to enter a standby state (power off state). Further, the power of the group management control device 43, which is the host device, is also cut off and enters a standby state (power supply OFF state). At this time, before entering the standby state, the standby positions of the cars 42a to 42c are transmitted from the group management control device 43 or the machine control devices 41a to 41c to the hall call registration device 44 on each floor.

  The hall call registration device 44 on each floor enters the standby state after receiving the standby positions of the cars 42a to 42c from the group management control device 43 or the number control devices 41a to 41c (steps S201 and S202) (step S203). However, in the hall call registration device 44 on each floor, it is assumed that the display is merely erased or displayed with reduced brightness as a standby state, and the power supply is not shut off (power supply ON state).

  Here, when the call button 51 is pressed on an arbitrary floor (Yes in step S204), the following processing is executed.

  First, the hall call registration device 44 determines a car having the least power required for driving to the call registration floor among the cars 42a to 42c as an assigned car (step S205). Specifically, a car that satisfies the following conditions 1 and 2 is searched based on the positional relationship between the standby positions of the cars 42a to 42c and the call registration floor.

Condition 1: A car that can respond to the call registration floor in regenerative operation Condition 2: A car that is closest to the call registration floor If there is a car that satisfies condition 1 among the cars 42a to 42c that are on standby, The car will be the assigned number. If there is no car that satisfies condition 1, a car that satisfies condition 2 is assigned.

Specific examples are shown in FIGS.
It is assumed that three elevators (cars) of Unit A, Unit B, and Unit C are group-managed in buildings on the first floor to the tenth floor.

  As shown in FIG. 11, it is assumed that Unit A is on the 1st floor, Unit B is on the 7th floor, and Unit C is on the 10th floor with operation stopped. At this time, for example, if the call button 51 of the hall call registration device 44 on the fifth floor is pressed, the No. A machine is determined as the assigned car.

  That is, when each car is on standby, the passengers 42a to 42c are not in the passenger car, so the load is zero, and the counterweight (not shown) is always heavier. Therefore, when driving in the UP direction, the rotary operation can be performed using the weight of the counterweight. In the example of FIG. 11, only Unit A is operated in the UP direction, so Unit A is determined as the assigned number according to the above condition 1.

  If there are a plurality of cars satisfying the above condition 1, the car closest to the call registration floor is selected as the assigned car.

  Further, as shown in FIG. 12, it is assumed that the A machine is on the 9th floor, the B machine is on the 7th floor, and the C machine is on the 10th floor with operation stopped. At this time, for example, if the call button 51 of the hall call registration device 44 on the fifth floor is pressed, each unit operates in the DN direction (downward) and requires power. In such a case, the B machine closest to the fifth floor, which is the call registration floor, is determined as the assigned car in accordance with the above condition 2. Thereby, the electric power required for driving | operation can be suppressed to the minimum.

  In addition, when there are multiple cars that satisfy the above condition 2, that is, when there are two or more cars closest to the call registration floor, any car among them will be selected as the assigned car And

Subsequent processing is the same as that of the first embodiment.
That is, the hall call registration device 44 calculates the time (arrival time t) until the car determined as the assigned car among the cars 42a to 42c arrives at the call registration floor (step S206).

  Specifically, according to the above equation (1), the time required for traveling from the standby position of the assigned number machine to the call registration floor (running time T) is obtained, and it is necessary to start up the machine control devices 41a to 41c at the running time T. The time obtained by adding the time (starting time W ′) is calculated as the arrival time t of the assigned car (t = T + W ′). Note that the activation time W ′ is determined in advance according to the performance of the machine control devices 41a to 41c.

  When the arrival time t is obtained, the hall call registration device 44 displays the arrival time t (travel time T and start time W ′) on its display 52 together with a message prompting the user to press the call button 51 again (step S207). ). If the call button 51 is pressed again within a certain time (for example, within 5 seconds) after the arrival time t is displayed (Yes in step S208), the hall call registration device 44 determines that the user has a willingness to board. The activation request signal is output to the control device corresponding to the assigned number among the number control devices 41a to 41c (step S209).

  For example, when the car 42a which is No. A is determined as the assigned car, an activation request signal is output to the car controller 41a. In response to this activation request signal, the machine control device 41a is activated, and the waiting car 42a starts to respond to the call registration floor. In addition, the hall call registration device 44 on each floor performs normal display as the unit control device 41a is activated.

  At this stage, the group management control device 43, which is a higher-level device, is not activated, and only the number controller corresponding to the assigned number is activated. In other words, for example, when the car 42a which is No. A is determined as the assigned car, only the No. control device 41a is activated, and in addition to the group management control device 43, the No. B machine control device 41b and the No. C machine The machine control device 41c is not activated either. If no call registration is made for a certain period of time after the operation service of Unit A is completed, a transition is made to a standby state.

  On the other hand, if the call button 51 is not pressed again within a certain time (for example, within 5 seconds) after the arrival time t is displayed (No in step S208), the user has no intention to board and leaves the landing. It is judged. In this case, the machine control device 41a is not activated and the standby state is maintained as it is.

  Since the display method of the hall call registration device 44 until returning from the standby state is the same as in FIGS. 4 to 7, the description thereof is omitted here.

  In this way, even in the case of a system in which a plurality of cars are group-managed, the arrival time is displayed in response to the pressing operation of the call button 51 as in the first embodiment, and is activated only when it is pressed again. By making a request, useless driving can be avoided.

  Furthermore, when the call button 51 is pressed, the assigned machine is simply determined according to the above-described conditions, and only the assigned machine is activated, so that the power consumption during power saving can be suppressed as much as possible.

  According to at least one embodiment described above, when returning from the standby state, the arrival time of the car can be grasped, and unnecessary driving to a floor where there is no user can be avoided to reduce power consumption. A possible elevator system can be provided.

  In addition, although some embodiment of this invention was described, these embodiment is shown as an example and is not intending limiting the range of 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.

  DESCRIPTION OF SYMBOLS 1 ... Car, 2 ... Counterweight, 3 ... Rope, 4 ... Hoisting machine, 11 ... Elevator control device, 12 ... Serial transmission cable, 13 ... Landing call registration device, 21 ... Call button, 22 ... Display, 23 ... arrival time calculation unit, 24 ... display control unit, 25 ... start-up control unit, 31 ... landing, 32 ... landing door, 41a-41c ... No. machine control device, 42a-42c ... car, 43 ... group management control device, 44 DESCRIPTION OF SYMBOLS ... Hall call registration apparatus, 51 ... Call button, 52 ... Display, 53 ... Allocation machine determination part, 54 ... Arrival time calculation part, 55 ... Display control part, 56 ... Activation control part.

Claims (8)

A control device for controlling the operation of the car;
A hall call registration device that is installed at a hall on each floor and has a call button for registering a call and a display for displaying the driving state,
The hall call registration device is
Arrival time calculating means for calculating the arrival time of the car when the call button is pressed during power saving;
Display control means for displaying the arrival time of the car calculated by the arrival time calculating means on the display;
If the call button is pressed again within a certain time after the arrival time of the car is displayed, an activation request signal is output to the control device in the standby state, and the car is called to the registration floor. An elevator system comprising: an activation control means for responding. The display control means includes
The elevator system according to claim 1, wherein the arrival time of the car is displayed on the display together with a message prompting the user to press the call button again. The arrival time calculation means
The traveling time from the waiting position of the car to the call registration floor is obtained, and the time obtained by adding the time required for starting the control device to the traveling time is calculated as the arrival time of the car. The elevator system according to 1. The control device is provided for each of a plurality of cars that are group-managed, and controls the operation of each car individually.
The hall call registration device is
When the call button is pressed, the assigned car determination means for determining the assigned car as the assigned car that requires the least amount of power for driving to the call registration floor among the cars,
The activation control means includes
2. The elevator system according to claim 1, wherein an activation request signal is output to a control device corresponding to the assigned number determined by the assigned number determining means in each of the control devices so as to respond to the call registration floor. The above allocation unit determining means is
5. The elevator system according to claim 4, wherein a car that can respond to the call registration floor by regenerative operation is determined as an assigned car among the cars. The above allocation unit determining means is
If there are multiple cars that can respond to the call registration floor in regenerative operation among the above cars, the waiting car in the place closest to the call registration floor is assigned as the assigned car. 6. The elevator system according to claim 5, wherein the elevator system is determined. The above allocation unit determining means is
If there is no car that can respond to the call registration floor in regenerative operation among the above cars, the waiting car at the place closest to the call registration floor is determined as the assigned car. The elevator system according to claim 5. The above allocation unit determining means is
8. The elevator system according to claim 7, wherein when there are a plurality of waiting cars at a place closest to the call registration floor, any one of these cars is determined as an assigned car.

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