WO2014112079A1

WO2014112079A1 - Elevator control device

Info

Publication number: WO2014112079A1
Application number: PCT/JP2013/050820
Authority: WO
Inventors: 健二谷山
Original assignee: 三菱電機株式会社
Priority date: 2013-01-17
Filing date: 2013-01-17
Publication date: 2014-07-24
Also published as: CN104918873A; JPWO2014112079A1

Abstract

The purpose of the present invention is to provide an elevator control device that can suppress a decline in operational efficiency of an elevator and is capable of continuing, for a one-shaft multi-car type elevator that has a plurality of elevator cars arranged in the same elevator shaft such that each car can independently move up and down, operation of an elevator car not undergoing maintenance that is in the same elevator shaft as an elevator car that is undergoing maintenance. To achieve this purpose, provided is a control device for a one-shaft multi-car type elevator for which a plurality of elevator cars (1a, 1b) are arranged in the same elevator shaft such that each car can independently move up and down, which comprises an elevator car control means (10a, 10b) for controlling the operation of each of the elevator cars (1a, 1b), and a maintenance operation region setting means (21a, 21b) for setting a maintenance operation region for maintenance operation of an elevator car, and wherein the elevator car control means (10a, 10b) controls the other elevator car in the same elevator shaft as the elevator car undergoing maintenance operation so as not to enter the maintenance operation region of the elevator car undergoing a maintenance operation.

Description

Elevator control device

This invention relates to an elevator control device.

Conventionally, in a so-called one-shaft multi-car elevator control device in which a plurality of passenger cars are arranged in one hoistway, a lower car and an upper car that are operated independently in the same hoistway, respectively. In the installed elevator, a maintenance operation switch is provided for each of the upper and lower cars. When the maintenance operation switch is operated on one of the upper and lower cars, the car that has not been operated is moved to the final floor. Thereafter, there is known a method in which the car is put into a dormant state (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2003-341951 Japanese Unexamined Patent Publication No. 2003-081542 Japanese Unexamined Patent Publication No. 2011-148591 Japanese Unexamined Patent Publication No. 2005-104670

However, when the conventional elevator control device disclosed in Patent Document 1 maintains a single car, it stops the operation of the maintenance target car in the same hoistway as well as the maintenance target car. For this reason, the operation efficiency of the elevator is significantly reduced.

The present invention has been made to solve such a problem, and is a one-shaft multi-car type elevator in which a plurality of passenger cars are independently movable up and down in the same hoistway. When maintaining a car, it is possible to continue the operation of a car that is not subject to maintenance in the same hoistway as well as the car that is subject to maintenance, and it is possible to suppress a decrease in elevator operation efficiency. A control device is obtained.

The elevator control device according to the present invention is a one-shaft multi-car elevator control device in which a plurality of passenger cars are arranged in the same hoistway so that they can be moved up and down independently of each other. A car control means for controlling each operation of the vehicle and a maintenance operation range setting means for setting a maintenance operation range of the car for the maintenance operation, wherein the car control means has the same hoistway for each car for the maintenance operation. It is set as the structure which controls so that the other passenger car may not enter into the maintenance operation range of the passenger car in the maintenance operation.

In the elevator control device according to the present invention, in the one-shaft multi-car type elevator in which a plurality of cars are independently movable up and down in the same hoistway, the same car for maintenance is used. It is possible to continue the operation of the car that is not a maintenance object in the hoistway, and it is possible to suppress the decrease in the operation efficiency of the elevator.

It is a figure which shows typically the whole structure of the elevator of the one shaft multicar system which concerns on Embodiment 1 of this invention. It is a block diagram which shows the structure of the control apparatus of the one shaft multicar type elevator which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the control apparatus of the elevator of the one shaft multicar system which concerns on Embodiment 1 of this invention.

The present invention will be described with reference to the accompanying drawings. Throughout the drawings, the same reference numerals indicate the same or corresponding parts, and redundant description thereof will be simplified or omitted as appropriate.

Embodiment 1 FIG.
FIGS. 1 to 3 relate to Embodiment 1 of the present invention. FIG. 1 is a diagram schematically showing the overall configuration of a one-shaft multi-car elevator, and FIG. FIG. 3 is a block diagram showing the configuration of the control device, and FIG. 3 is a flowchart showing the operation of the one-shaft multi-car elevator control device.

Referring to FIG. 1, an upper car 1a that lifts and lowers passengers, luggage, etc. is disposed in a hoistway (not shown) standing in a building where an elevator is installed. One end of an upper car rope 2a is connected to the upper end of the upper car 1a. The other end of the upper car rope 2a is connected to the upper end of the upper car counterweight 3a. The upper car counterweight 3a is disposed in the hoistway so as to be raised and lowered.

The intermediate portion of the upper car rope 2a is wound around the drive sheave of the upper car hoist 4a installed in a machine room (not shown) provided at the top of the hoistway. In this way, the upper car 1a and the upper car counterweight 3a are suspended by the upper car rope 2a in a slidable manner that can be raised and lowered in opposite directions in the hoistway.

In the hoistway, in addition to the upper car 1a, a lower car 1b is also arranged to be raised and lowered. A lower car suspension wheel 5 is attached to the lower part of the lower car 1b. One end of the lower car rope 2b is wound around the lower car suspension wheel 5. And the edge part of the said one end side of this lower cage rope 2b is fixed to the predetermined | prescribed location of the top part in a hoistway. The other end of the lower car rope 2b is connected to the upper end of the lower car counterweight 3b. The counter weight 3b for the lower car is disposed in the hoistway so as to be movable up and down.

The portion between the portion of the lower car rope 2b wound around the lower car suspension wheel 5 and the lower car counterweight 3b is the lower car winding installed in the machine room at the top of the hoistway. It is wound around the drive sheave of the upper machine 4b. In this way, the lower car 1b and the lower car counterweight 4b are also suspended so as to be movable up and down in directions opposite to each other in the hoistway.

The upper car 1a is disposed relatively upward in the hoistway as viewed from the lower car 1b. Therefore, the upper car 1a is always above the lower car 1b in the hoistway, and conversely, the lower car 1b is always lower than the upper car 1a in the hoistway. As described above, the elevator controlled by the elevator control device according to the present invention is configured such that the upper car 1a and the lower car 1b, which are a plurality of cars, can be raised and lowered independently in the same hoistway. This is an arranged one-shaft multi-car type elevator.

On each of the floors of the building where the upper car 1a and / or the lower car 1b can be stopped, a landing 6 is provided for passengers to get on and off the upper car 1a and / or the lower car 1b. Here, as the plurality of halls 6, five of the first hall 6 a, the second hall 6 b, the third hall 6 c, the fourth hall 6 d, and the fifth hall 6 e are shown in order from the top. However, these five halls are shown as examples, and the number of the plurality of halls 6 is not limited to five.

Each hall 6 is provided with a hall call button (not shown) for registering a hall call in the direction desired by the passenger (upward or downward). A destination floor button (not shown) for registering a destination floor call to a destination floor desired by a passenger in the car is installed in the car room of the upper car 1a and the lower car 1b.

The operation of the upper car 1a and the lower car 1b is controlled by the upper car control device 10a and the lower car control device 10b, respectively. FIG. 2 shows a functional configuration of the elevator control device including the upper car control device 10a and the lower car control device 10b.

The upper car control device 10a includes an upper car driving unit 11a and an upper car position detecting unit 12a. The upper car drive unit 11a outputs a drive signal to the upper car hoist 4a, thereby performing drive control of the lifting operation in the hoistway of the upper car 1a. The upper car position detector 12a detects the position of the upper car 1a in the hoistway.

Similarly, the lower car control device 10b includes a lower car driving unit 11b and a lower car position detecting unit 12b. The lower car drive unit 11b outputs a drive signal to the lower car hoist 4b, thereby performing drive control of the raising / lowering operation in the hoistway of the lower car 1b. The lower car position detector 12b detects the position of the lower car 1b in the hoistway.

The detection of the car position in the upper car position detection unit 12a and the lower car position detection unit 12b is calculated from, for example, the rotational speed (rotation amount) of the drive sheave of the upper car hoist 4a or the lower car hoist 4b. Can be done. Alternatively, the car position can be detected based on a detection signal of a landing plate (not shown) installed in the hoistway.

The upper car control device 10a controls the operation of the upper car 1a according to the currently selected operation mode while switching a plurality of operation modes including at least two operation modes of the normal operation mode and the maintenance operation mode. The normal operation mode is an operation mode selected mainly during normal operation. In this normal operation mode, the upper car control device 10a causes the upper car 1a to run and stop at the hall 6 of each floor in response to the call registered by operating the hall call button and the destination floor button described above.

In the normal operation mode, when the maintenance operation mode for the upper car is operated by the elevator maintenance staff to select the maintenance operation mode, the upper car control device 10a changes the operation mode of the upper car 1a from the normal operation mode. Switch to maintenance operation mode. In the maintenance operation mode, the upper car control device 10a controls the operation of the upper car 1a based on the operation by the maintenance staff. In principle, the upper car 1a in the maintenance operation mode does not respond to calls registered by the passengers operating the hall call buttons and the destination floor buttons.

In the maintenance operation mode of the upper car 1a, a maintenance operation range that is a floor range in which the upper car 1a can travel in the maintenance operation is set. In order to set the maintenance operation range of the upper car 1a, a maintenance operation range setting unit 21a for the upper car is provided. The upper car maintenance operation range setting unit 21a includes an upper car maintenance operation range storage unit 22a and an upper car setting mode selection unit 23a.

In the upper car maintenance operation range storage unit 22a, the maintenance operation range of the upper car 1a in each maintenance schedule is stored in advance together with the maintenance schedule of the upper car 1a. The upper car setting mode selection unit 23a is for selecting a setting mode of the maintenance operation range of the upper car 1a. There are two maintenance operation range setting modes: an automatic setting mode and a manual setting mode. The automatic setting mode is a mode in which the maintenance operation range of the upper car 1a is automatically set to the one stored in the upper car maintenance operation range storage unit 22a. The manual setting mode is a mode in which the maintenance operation range of the upper car 1a is set to one manually input by the maintenance staff.

When the maintenance operation range setting mode is the manual setting mode, a maintenance operation range input unit 24a for the upper car is provided for a maintenance worker to input a desired maintenance operation range. As described above, the hall call button is installed as a button for the passenger to register the hall call in the normal operation mode. The hall call button functions as a button for designating a maintenance operation range desired by the maintenance staff when the maintenance operation range manual setting mode is selected in the maintenance operation mode. .

When the maintenance operation mode is selected by the upper car maintenance operation selection unit 20a and the manual setting mode is selected by the upper car setting mode selection unit 23a, the operation signal of the hall call button is for the upper car. It is input to the maintenance operation range input unit 24a. Then, the upper car maintenance operation range input unit 24a interprets the input operation signal of the hall call button as designation of the maintenance operation range of the upper car 1a.

Thus, when the maintenance operation range manual setting mode is selected in the maintenance operation mode, the maintenance operator can manually set the maintenance operation range by operating the hall call button. In this example, the landing call button is used for manual setting of the maintenance operation range. However, the destination floor button in the car may be used, or the maintenance operation range may be set in the control panel. A dedicated button may be provided.

When the maintenance operation mode is selected as the operation mode of the upper car 1a by the upper car maintenance operation selection unit 20a, the upper car maintenance operation range setting unit 21a sets the maintenance operation range of the upper car 1a in the maintenance operation mode. To do. When the automatic operation mode is selected by the upper car setting mode selection unit 23a when setting the maintenance operation range, the upper car maintenance operation range setting unit 21a stores the upper car maintenance operation range storage unit 22a. Acquire the stored maintenance operation range. Then, the upper car maintenance operation range setting unit 21a sets the maintenance operation range of the upper car 1a to the one acquired from the upper car maintenance operation range storage unit 22a.

On the other hand, when setting the maintenance operation range, if the manual setting mode is selected by the upper car setting mode selection unit 23a, the upper car maintenance operation range setting unit 21a displays the upper car maintenance operation range input unit 24a. The maintenance operation range of the upper car 1a is set to the one designated by the button operation signal or the like input to the. The upper car control device 10a controls the maintenance operation of the upper car 1a in accordance with the maintenance operation range thus set by the upper car maintenance operation range setting unit 21a.

The upper car control device 10a transmits information related to the maintenance operation range of the upper car 1a set by the upper car maintenance operation range setting unit 21a to the lower car control device 10b. Whether the position of the lower car 1b detected by the lower car position detection unit 12b is within the maintenance operation range of the upper car 1a based on the information transmitted from the upper car control device 10a. Determine whether or not. When the position of the lower car 1b is within the maintenance operation range of the upper car 1a, the lower car control device 10b indicates that the lower car 1b is within the maintenance operation range of the upper car 1a. Send to.

When the upper car control device 10a receives from the lower car control device 10b that the lower car 1b is within the maintenance operation range of the upper car 1a, the upper car driving unit 11a prevents the upper car 1a from traveling. Further, the upper car notifying unit 25a notifies the maintenance personnel who are performing the maintenance operation of the upper car 1a that the lower car 1b is within the maintenance operation range of the upper car 1a. The upper car notifying unit 25a may be configured to sound a buzzer sound and / or sound using a speaker or the like, display a message or the like on a display device such as a display, or turn on a lamp. You may make it do. Moreover, you may make it use these notification methods together.

Thus, when the position of the lower car 1b is within the maintenance operation range of the upper car 1a, the upper car 1a is prevented from traveling. Therefore, as long as the position of the lower car 1b is within the maintenance operation range of the upper car 1a, the upper car 1a cannot travel, and there is a possibility that the original purpose of the upper car 1a as the maintenance operation cannot be achieved. is there. Therefore, when the lower car control device 10b determines that the position of the lower car 1b is within the maintenance operation range of the upper car 1a, the lower car driving unit 11b enters a state in which there are no passengers in the lower car 1b. The lower car 1b is made to travel outside the maintenance operation range of the upper car 1a.

Whether or not there is no passenger in the lower car 1b can be determined, for example, by whether or not the next destination floor has been registered for the lower car 1b. Or it can also judge based on the detection of the scale apparatus which detects the load in the lower cage | basket | car 1b. Furthermore, it can also be determined based on an image photographed by a camera device that photographs the situation in the lower car 1b. Moreover, you may combine the registration status of these destination floors, the method utilized for the scale apparatus and the camera apparatus.

When the lower car 1b goes out of the maintenance operation range of the upper car 1a, the upper car 1a is prevented from being prevented from traveling by the upper car driving unit 11a. This is because when the lower car 1b is within the maintenance operation range of the upper car 1a by the lower car position detecting unit 12b, a detection signal is continuously transmitted from the lower car control device 10b to the upper car control device 10a. The car driving unit 11a prevents the upper car 1a from running while receiving the detection signal from the lower car control device 10b, and after the car has stopped receiving the detection signal from the lower car control device 10b, This can be achieved by canceling the running prevention.

Alternatively, when the lower car position detection unit 12b detects that the lower car 1b is out of the maintenance operation range of the upper car 1a, the lower car position detection unit 12b detects that the lower car 1b is in the maintenance operation range of the upper car 1a. The lower car control device 10b transmits a signal indicating that the lower car 1b has gone out of the maintenance operation range of the upper car 1a to the upper car control device 10a. This can also be realized by canceling the traveling inhibition of the upper car 1a when the lower car 1b from the lower car control device 10b receives a signal indicating that the car is out of the maintenance operation range of the upper car 1a.

The above-described setting of the maintenance operation range of the upper car 1a and retreating the lower car 1b out of the maintenance operation range will be described with specific examples. For example, it is assumed that the maintenance operation range of the upper car 1a is set on the floors of the second hall 6b and the third hall 6c in FIG. 1 by the maintenance operation range setting unit 21a for the upper car. At this time, if the lower car 1b is stopped on the floor of the third landing 6c, the lower car 1b is within the maintenance operation range of the upper car 1a, and therefore the upper car 1a is prevented from traveling. .

If it is confirmed that there are no passengers in the lower car 1b, the lower car driving unit 11b causes the lower car 1b to travel to the floor of the fourth landing 6d. When the lower car 1b is moved to the floor of the fourth landing 6d and it is confirmed that it is not within the maintenance operation range of the upper car 1a, the upper car 1a can run.

Since the upper car 1a is always above the lower car 1b, there is no other car in the upper car 1a between the upper car 1a and the upper floor. Therefore, when the maintenance operation range of the upper car 1a is set, even if the range from the current position of the upper car 1a to the upper floor is included in the maintenance operation range, the other car (lower car 1b) is included in the range. ) Will not enter.

For this reason, when the maintenance operation range setting unit 21a for the upper car sets the maintenance operation range for the upper car 1a, the maintenance operation range and the upper car stored in the maintenance operation range storage unit 22a for the upper car are set. Regardless of the maintenance operation range input by the maintenance operation range input unit 24a, the range from the current position of the upper car 1a to the upper floor may be automatically included in the maintenance operation range. In other words, the upper car maintenance operation range setting unit 21a always sets the upper end of the maintenance operation range of the upper car 1a to the upper floor.

By doing in this way, the maintenance operation range of the upper car 1a can be widened without affecting other cars (the lower car 1b) that are not in maintenance operation. In the maintenance operation range manual setting mode, maintenance personnel do not need to specify the upper floor of the maintenance operation range, and only the lower floor of the maintenance operation range needs to be specified, which improves convenience. be able to.

In addition, here, the case where two upper cars 1a and lower cars 1b are arranged in the same hoistway is described. If the number of cars in the same hoistway is generalized, and there are multiple cars in the same hoistway, the current position of the car that has been switched to maintenance operation If there is no other car between the first floor and the last floor (upper floor or lower floor), one end of the maintenance operation range of the car that has been switched to the maintenance operation is the side where no other car exists. It may be set to the end floor.

Similarly to the upper car control device 10a, the lower car control device 10b switches between a plurality of operation modes including at least two operation modes of a normal operation mode and a maintenance operation mode, and the lower car 1b according to the currently selected operation mode. To control the operation. In the normal operation mode, when the maintenance operation selection unit 20b for the lower car is operated by the elevator maintenance personnel to select the maintenance operation mode, the lower car control device 10b changes the operation mode of the lower car 1b from the normal operation mode. Switch to maintenance operation mode.

In the maintenance operation mode of the lower car 1b, a maintenance operation range that is a floor range in which the lower car 1b can travel in the maintenance operation is set. In order to set the maintenance operation range of the lower car 1b, a lower car maintenance operation range setting unit 21b is provided. The lower car maintenance operation range setting unit 21b includes a lower car maintenance operation range storage unit 22b and a lower car setting mode selection unit 23b.

In the lower car maintenance operation range storage unit 22b, the maintenance operation range of the lower car 1b in each maintenance schedule is stored in advance together with the maintenance schedule of the lower car 1b. The lower car setting mode selection unit 23b is for selecting a maintenance operation range setting mode of the lower car 1b from an automatic setting mode and a manual setting mode.

When the maintenance operation range setting mode is the manual setting mode, a maintenance operation range input unit 24b for the lower car is provided for a maintenance person to input a desired maintenance operation range. When the maintenance operation mode is selected by the lower car maintenance operation selection unit 20b and the manual setting mode is selected by the lower car setting mode selection unit 23b, the operation signal of the landing call button is for the lower car. It is input to the maintenance operation range input unit 24b. Then, the lower car maintenance operation range input unit 24b interprets the input operation signal of the hall call button as designation of the maintenance operation range of the lower car 1b.

When the maintenance operation mode is selected as the operation mode of the lower car 1b by the lower car maintenance operation selection unit 20b, the lower car maintenance operation range setting unit 21b sets the maintenance operation range of the lower car 1b in the maintenance operation mode. To do.

At this time, if the setting mode of the maintenance operation range is the automatic setting mode, the maintenance operation range setting unit 21b for the lower car is based on the information stored in the maintenance operation range storage unit 22b for the lower car. The maintenance operation range is automatically set. If the maintenance operation range setting mode is the manual setting mode, the lower car maintenance operation range setting unit 21b is designated by a button operation signal or the like input to the lower car maintenance operation range input unit 24b. The maintenance operation range of the lower car 1b is set.

The lower car control device 10b controls the maintenance operation of the lower car 1b according to the maintenance operation range thus set by the lower car maintenance operation range setting unit 21b.

The lower car control device 10b transmits information related to the maintenance operation range of the lower car 1b set by the lower car maintenance operation range setting unit 21b to the upper car control device 10a. Whether the position of the upper car 1a detected by the upper car position detector 12a is within the maintenance operation range of the lower car 1b based on the information transmitted from the lower car control device 10b. Determine whether or not. When the position of the upper car 1a is within the maintenance operation range of the lower car 1b, the upper car control device 10a indicates that the upper car 1a is within the maintenance operation range of the lower car 1b. Send to.

When the lower car control device 10b receives from the upper car control device 10a that the upper car 1a is within the maintenance operation range of the lower car 1b, the lower car driving unit 11b prevents the lower car 1b from traveling. In addition, the lower car notifying unit 25b notifies the maintenance personnel performing the maintenance operation of the lower car 1b that the upper car 1a is within the maintenance operation range of the lower car 1b. The lower car notifying unit 25b may be configured to generate a buzzer sound and / or sound using a speaker or the like, or display a message or the like on a display device such as a display, or turn on a lamp. You may make it do. Moreover, you may make it use these notification methods together.

Thus, when the position of the upper car 1a is within the maintenance operation range of the lower car 1b, the traveling of the lower car 1b is blocked. When the upper car control device 10a determines that the position of the upper car 1a is within the maintenance operation range of the lower car 1b, the upper car driving unit 11a is in a state where there are no passengers in the upper car 1a. As a result, the upper car 1a is moved out of the maintenance operation range of the lower car 1b. Whether or not there is no passenger in the upper car 1a can be determined based on the registration status of the destination floor of the upper car 1a, the detection result of the scale device and / or the image taken by the camera device.

When the upper car 1a goes out of the maintenance operation range of the lower car 1b, the travel prevention of the lower car 1b by the lower car driving unit 11b is released.

The lower car maintenance operation range setting unit 21b sets the maintenance operation range and the lower car maintenance operation range stored in the lower car maintenance operation range storage unit 22b when setting the maintenance operation range of the lower car 1b. Regardless of the maintenance operation range input by the input unit 24b, a range from the current position of the lower car 1b to the lower floor may be automatically included in the maintenance operation range. In other words, the maintenance operation range setting unit 21b for the lower car always sets the lower end of the maintenance operation range of the lower car 1b to the lower floor.

The flowchart of FIG. 3 shows the operation at the time of maintenance operation of the elevator control device in this embodiment.
In the following description, the upper car control device 10a and the lower car control device 10b are referred to as a car control device without being distinguished, and the upper car drive unit 11a and the lower car drive unit 11b are not distinguished from each other. The upper car position detector 12a and the lower car position detector 12b are referred to as car position detectors without being distinguished.

Also, an upper car maintenance operation selection unit 20a, a lower car maintenance operation selection unit 20b, an upper car maintenance operation range setting unit 21a, a lower car maintenance operation range setting unit 21b, an upper car maintenance operation range storage unit 22a, Lower car maintenance operation range storage unit 22b, upper car setting mode selection unit 23a, lower car setting mode selection unit 23b, upper car maintenance operation range input unit 24a, lower car maintenance operation range input unit 24b, upper car The notification part 25a and the notification part 25b for the lower car are also abbreviated as “for upper car” or “for lower car” and are called without distinction between the upper car and the lower car.

First, in step S1, the car control device confirms whether or not the maintenance operation mode is selected by the maintenance operation selection unit. When the maintenance operation mode is not selected by the maintenance operation selection unit, the normal operation mode is continued without shifting to the maintenance operation mode. On the other hand, when the maintenance operation mode is selected by the maintenance operation selection unit, the process proceeds to step S2.

In step S2, the maintenance operation range setting unit checks whether or not the maintenance operation range setting mode is the automatic setting mode. When the maintenance operation range setting mode is the automatic setting mode, the process proceeds to step S3. In this step S3, the maintenance operation range setting unit sets the maintenance operation range of the car in the maintenance operation mode to the maintenance operation range stored in advance in the maintenance operation range storage unit.

On the other hand, when the setting mode of the maintenance operation range is the automatic setting mode, the process proceeds to step S4. In step S4, the maintenance operation range setting mode is the manual setting mode. Therefore, the maintenance operation range setting unit sets the maintenance operation range of the car in the maintenance operation mode based on the information of the maintenance operation range input unit.

After step S3 or step S4, the process proceeds to step S5. In step S5, the car control device prohibits another car that is automatically operated in the normal operation mode from entering the maintenance operation range of the car in the maintenance operation mode. In subsequent step S6, the car control device checks whether there is another car that is automatically operated in the normal operation mode within the maintenance operation range of the car in the maintenance operation mode.

If there is another car that is automatically operated in the normal operation mode within the maintenance operation range of the car in the maintenance operation mode, the process proceeds to step S7. In step S7, the maintenance staff is informed that there is another car within the maintenance operation range by, for example, a buzzer sounding from the notification unit of the car in the maintenance operation mode. Then, the process proceeds to step S8, and the car drive unit in the maintenance operation mode prevents the car in the maintenance operation mode from being activated.

After step S8, the process proceeds to step S9. In this step S9, it is confirmed whether or not there are no passengers in the other cars that have been confirmed to be within the maintenance operation range of the car in the maintenance operation mode in the previous step S6. If it is confirmed that there are no passengers in the other car (automatic driving car), the process proceeds to step S10.

On the other hand, if it is confirmed that there are passengers in the other car (automatic driving car), the process does not proceed to the next step until it is confirmed that there are no passengers in the other car. If there are passengers in the other car (automated car) and there are new passengers in the other car, it will be delayed that there will be no passengers in the other car. Since it is delayed to move another car out of the maintenance operation range of the car in the maintenance operation mode, the time required until the car in the maintenance operation mode can run becomes longer.

Therefore, in order to prevent such a situation, while there are passengers in the other car (automated driving car), the other car is placed so that no new passengers can get on the other car. You may make it control so that the driving | operation which a new passenger may board, such as making it answer a call, is not made.

In step S10, the car driving unit of the other car (automatic operation car) maintains the other car (automatic operation car) that has been confirmed to have no passengers in step S9 as a maintenance operation mode car. Drive outside the driving range. Then, the process proceeds to step S11, in which the car notification unit in the maintenance operation mode releases the buzzer, and in the subsequent step S12, the car drive unit in the maintenance operation mode releases the start prevention of the car.

Thus, after passing through step S12, the car in the maintenance operation mode can be maintenance-operated within the maintenance operation range. Further, in step 6, even if there is no other car that is automatically operated in the normal operation mode within the maintenance operation range of the car in the maintenance operation mode, the maintenance operation of the car in the maintenance operation mode is performed within the maintenance operation range. be able to.

While the maintenance operation range is set, other cars that are not in the maintenance operation mode are prohibited from entering the maintenance operation range. Therefore, for other cars that are not in the maintenance operation mode, registration of a destination floor call with a floor in the maintenance operation range as a destination floor is prohibited.

After step S12 or when there is no other car that is automatically operated in the normal operation mode within the maintenance operation range of the car in the maintenance operation mode in step S6, the process proceeds to step S13. In step S13, the car control device confirms whether or not the maintenance operation mode is canceled by the maintenance operation selection unit. If the maintenance operation mode is not released, the maintenance operation mode is continued.

On the other hand, when the maintenance operation mode is canceled by the maintenance operation selection unit, the process proceeds to step S14. In step S14, the maintenance operation range set for the car in which the release of the maintenance operation mode is confirmed in step S13 is canceled. By releasing the maintenance operation range, other cars that were automatically operated can travel to the floor that was in the maintenance operation range.

The selection of the maintenance operation mode by the maintenance operation selection unit in step S1 and step S13 may be performed according to an operation by a maintenance worker, or may be automatically performed according to a preset maintenance schedule. It may be.

The elevator control apparatus configured as described above includes an upper car control apparatus 10a that is a car control means for controlling the operation of a plurality of passenger cars (upper car 1a and lower car 1b) in the same hoistway. A lower car control device 10b, and an upper car maintenance operation range setting unit 21a and a lower car maintenance operation range setting unit 21b, which are maintenance operation range setting means for setting a maintenance operation range of a car for maintenance operation. Yes. Then, the upper car control device 10a and the lower car control device 10b perform control so that the other car in the same hoistway does not enter the maintenance operation range of the car in the maintenance operation for each car in the maintenance operation. To do.

For this reason, it is possible to continue the operation without stopping operation or switching to the maintenance operation, and the operation efficiency is lowered without stopping the operation and switching to another maintenance car in the same hoistway. Can be prevented. At this time, the maintenance operation range is set for the car for maintenance operation, and the control operation car and other cars are controlled by controlling the car not for maintenance operation to enter the maintenance operation range. In addition, it is possible to prevent interference between maintenance personnel and other cars in the hoistway during maintenance work.

The upper car maintenance operation range setting unit 21a and the lower car maintenance operation range setting unit 21b, which are maintenance operation range setting means, are storage means for previously storing the maintenance operation range of the car for maintenance operation. The car maintenance operation range storage unit 22a and the lower car maintenance operation range storage unit 22b are provided, and in the automatic setting mode, the maintenance operation range of the car for maintenance operation is set to the upper car maintenance operation range storage unit 22a or lower. It is automatically set to the one stored in the car maintenance operation range storage unit 22b.

For this reason, when the range of the hoistway to be subjected to maintenance work is known in advance, the maintenance operation range can be automatically set without specifying by the maintenance staff, and labor saving of the maintenance staff's work can be achieved. Is possible.

Further, the upper car maintenance operation range input unit 24a and the lower car maintenance operation range input unit 24b, which are input means for inputting the maintenance operation range of the car for maintenance operation, are provided and are maintenance operation range setting means. The maintenance operation range setting unit 21a for the car and the maintenance operation range setting unit 21b for the lower car set the maintenance operation range of the car for the maintenance operation to the maintenance operation range input unit 24a for the upper car or the lower car in the manual setting mode. It sets based on the input of the maintenance operation range input part 24b.

For this reason, for example, the maintenance operation range can be flexibly set according to the range of maintenance work, the positional relationship between the car and the balance weight, and the content of the maintenance work.

The maintenance operation range setting unit 21a for the upper car and the maintenance operation range setting unit 21b for the lower car, which are maintenance operation range setting means, respectively, set the maintenance operation range setting mode of the car for maintenance operation to the automatic setting mode. By providing an upper car setting mode selection unit 23a and a lower car setting mode selection unit 23b which are setting mode selection means selectable from the manual setting mode, the automatic setting mode and the manual setting mode are switched as necessary. Therefore, convenience can be improved.

In addition, the upper car control device 10a and the lower car control device 10b, which are car control means, are in the other car when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation. When there is no passenger, the other car is moved out of the maintenance operation range.

For this reason, there is no risk of passengers feeling uneasy in the car, and the other car is quickly moved out of the maintenance operation range, and the cars within the maintenance operation range, the cars and the maintenance staff Unnecessary approach with can be prevented.

At this time, the upper car control device 10a and the lower car control device 10b, which are car control means, perform the maintenance operation when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation. By blocking the traveling of the cars that have been switched to, interference between cars within the maintenance operation range can be avoided more reliably.

Further, when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation, the upper car notifying unit 25a and the lower car notifying unit 25b that are informing means for notifying the maintenance staff to that effect. By providing this, it is possible to notify the maintenance staff of a state where there is another car within the maintenance operation range.

The present invention can be used for a one-shaft multi-car type elevator control device in which a plurality of passenger cars are arranged in a single hoistway so that they can be lifted and lowered independently.

1a Upper cage, 1b Lower cage, 2a Upper cage rope, 2b Lower cage rope, 3a Upper cage balance weight, 3b Lower cage balance weight, 4a Upper cage hoist, 4b Lower cage hoist, 5 Lower car suspension vehicle, 6 landing, 6a 1st landing, 6b 2nd landing, 6c 3rd landing, 6d 4th landing, 6e 5th landing, 10a upper car control device, 10b lower car control device 11a, upper car drive unit, 11b lower car drive unit, 12a upper car position detection unit, 12b lower car position detection unit, 20a upper car maintenance operation selection unit, 20b lower car maintenance operation selection unit, 21a upper car maintenance Operation range setting unit, 21b Lower car maintenance operation range setting unit, 22a Upper car maintenance operation range storage unit, 22b lower Customer maintenance operation range storage unit, 23a Upper car setting mode selection unit, 23b Lower car setting mode selection unit, 24a Upper car maintenance operation range input unit, 24b Lower car maintenance operation range input unit, 25a Upper car use Notification section, 25b Notification section for the lower car.

Claims

A control device for a one-shaft multi-car type elevator in which a plurality of cars are arranged so as to be able to move up and down independently in the same hoistway,
Car control means for controlling each operation of the car;
Maintenance operation range setting means for setting the maintenance operation range of the car for maintenance operation,
The car control means controls the elevator so that no other car in the same hoistway enters the maintenance operation range of the car for the maintenance operation. apparatus.
The maintenance operation range setting means includes setting mode selection means capable of selecting a maintenance operation range setting mode of a car for maintenance operation from an automatic setting mode and a manual setting mode. The elevator control device described.
The maintenance operation range setting means includes:
Comprising storage means for preliminarily storing the maintenance operation range of the car for maintenance operation;
3. The maintenance operation range of a car for maintenance operation is automatically set to the one stored in the storage means when the automatic setting mode is selected by the setting mode selection means. The elevator control device described.
Provide input means to enter the maintenance operation range of the car for maintenance operation,
The maintenance operation range setting means sets a maintenance operation range of a car for maintenance operation based on an input of the input means when the manual setting mode is selected by the setting mode selection means. The elevator control device according to claim 2 or claim 3.
The car control means, when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation, moves the other car out of the maintenance operation range. The elevator control device according to any one of claims 1 to 4.
6. The elevator control apparatus according to claim 5, wherein the car control means moves the other car out of the maintenance operation range when there is no passenger in the other car.
The said car control means, when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation, prevents the car that has been switched to the maintenance operation. The elevator control device according to claim 5 or 6.
8. The system according to claim 5, further comprising a notification means for notifying maintenance personnel when there is another car within the maintenance operation range of the car that has been switched to the maintenance operation. The elevator control device according to claim 1.
The maintenance operation range setting means, when there is no other car between the current position of the car that has been switched to the maintenance operation and the terminal floor, the maintenance operation range of the car that has been switched to the maintenance operation The elevator control device according to any one of claims 1 to 8, wherein one end of the elevator is set to a terminal floor on a side where no other car is present.