JP6797103B2 - Elevator landing door safety device, how to drive the elevator landing door safety device, and elevator - Google Patents

Description

The present invention relates to an elevator landing door safety device, an elevator landing door safety device driving method, and an elevator.

As a technique related to an elevator, there is one disclosed in Japanese Patent Application Laid-Open No. 11-292438 (Patent Document 1). In this publication, "Means for detecting that a key or jig for opening from the outside is inserted in a landing door provided with a means for opening from the outside in an emergency at the elevator landing door, and a notification operating by the detection. "Elevator landing door safety device characterized by installing a device, lighting device, or a device that combines both," is described, and "detection that an external opening jig has been inserted" is described. By doing so, for example, the voice guidance "Please confirm the position of the riding basket" is given, and the inside of the tower is illuminated by the lighting device 2 to confirm the position of the riding basket. "

Japanese Unexamined Patent Publication No. 11-292438

However, in the above-mentioned Patent Document 1, the same voice guidance is played regardless of the stop position of the car, regardless of which floor the worker opens the landing door. For this reason, it is not possible to inform the worker whether or not the landing floor with the landing door opened is in a position where the passenger can safely enter the stopped vehicle.

Therefore, the present invention provides an elevator landing door safety device that allows a worker who opens the landing door from the outside to intuitively recognize whether or not he / she can safely board the upper part of the car. The purpose is. Another object of the present invention is to provide a method for driving the landing door safety device of the elevator and an elevator equipped with the landing door safety device of the elevator.

In order to solve the above problems, for example, the configuration described in the claims is adopted.
The present application includes a plurality of means for solving the above problems, and to give an example thereof, a plurality of notification units provided corresponding to each landing floor of an elevator and a notification control unit that controls the operation of the notification unit. In the elevator landing door safety device for notifying whether or not it is possible to board the elevator from the landing floor to the upper part of the boarding basket, the notification unit provides information for recognizing safety and for recognizing danger. Two types of information, which is information, are notified, and the notification control unit simultaneously supplies one of the two types of information to each of the notification units in a state where the riding car is stopped. It is an elevator landing door safety device that notifies you.

According to the present invention having the above configuration, it is possible for a worker who has opened the landing door from the outside to intuitively recognize whether or not he / she can safely get on the upper part of the car. It is possible to provide a landing door safety device.
Issues, configurations, and effects other than those described above will be clarified by the description of the following embodiments.

It is an overall block diagram of the elevator which concerns on embodiment. It is a top view of the notification part of the landing door safety device of the elevator which concerns on embodiment. It is a block diagram for demonstrating the notification control part. It is a top view which shows the operation pattern of the notification part. It is a flowchart explaining the driving method of the landing door safety device of the elevator which concerns on embodiment. It is a flowchart explaining the notification part operation process. It is a figure (the 1) explaining the notification part operation process. It is a figure (the 2) explaining the notification part operation process. It is a top view (the 1) which shows the modification of the notification part. FIG. 2 is a plan view (No. 2) showing a modified example of the notification unit. FIG. 3 is a plan view (No. 3) showing a modified example of the notification unit.

Hereinafter, embodiments of the elevator landing door safety device, the elevator landing door safety device, and the elevator will be described in detail with reference to the drawings. In the embodiment described below, the overall configuration of the elevator will be described first, and then the landing door safety device provided in the elevator and the driving method of the landing door safety device will be described.

≪Overall structure of elevator≫
FIG. 1 is an overall configuration diagram of an elevator according to an embodiment. The elevator 1 of the embodiment shown in this figure is provided with a landing door safety device 100. Such an elevator 1 includes a hoistway 1a and a machine room 1b.

The hoistway 1a is provided so as to penetrate the inside of a building or the like in the vertical direction, and a landing door 1c is provided on the wall thereof at a position corresponding to each landing floor F. Further, inside the hoistway 1a, a riding basket 2, a balance weight 3, and a main rope 4 are housed. Further, inside the hoistway 1a, a notification unit 5 of the landing door safety device 100, which will be described in detail below, is housed.

On the other hand, the machine room 1b is provided, for example, in the upper part of the hoistway 1a, and the hoisting machine 11 and the elevator control device 12 are provided therein. Of these, the elevator control device 12 includes a notification control unit 100a of the landing door safety device 100, which will be described in detail below. Next, these elements constituting the elevator 1 will be described.

<Platform door 1c>
The landing door 1c is provided at a height position of each landing floor F on the wall surface of the hoistway 1a. The landing door 1c slides in the horizontal direction to open and close, and does not have its own power. By engaging with the basket door 2a of the riding basket 2 described below, the landing door 1c follows the basket door 2a and opens and closes. ..

Further, the landing door 1c is provided with a landing door switch 1d that is turned off when the landing door 1c is opened. The landing door switches 1d are connected in series on each floor, and when one of the plurality of landing door switches 1d is turned off, the entire landing door switch 1d is turned off. These landing door switches 1d are connected to the elevator control device 12 described below.

<Riding basket 2, balance weight 3, and main rope 4>
The riding basket 2 and the balance weight 3 are fixed to both ends of the main rope 4 and move up and down in the hoistway 1a upside down. Further, the main rope 4 has a riding basket 2 fixed to one end, a balancing weight 3 fixed to the other end, and the riding basket 2 and the balancing weight 3 are suspended at both ends in the hoistway 1a.

Of these, the riding basket 2 is provided with a basket door 2a on the surface facing the landing door 1c provided on the inner wall of the hoistway 1a. The basket door 2a engages with the landing door 1c of the landing floor F in a state where the riding car 2 is stopped at the height of any landing floor F, and follows the drive of the basket door 2a to open and close the landing door 1c. To control.

In addition, shock absorbers 21 and 31 are provided below the riding basket 2 and the counterweight 3 in a state of being fixed to the floor surface of the hoistway 1a, respectively, and the main rope 4 is broken and the riding basket 2 is provided. Alternatively, when the balance weight 3 freely falls, the impact applied to the floor surface of the hoistway 1a is absorbed.

<Hoisting machine 11>
The hoisting machine 11 is fixed in the machine room 1b with the intermediate portion of the main rope 4 wound around. The hoisting machine 11 is provided with a motor (not shown here), and the main rope 4 is moved by the rotation of the hoisting machine 11 to raise and lower the riding basket 2.

Further, the hoisting machine 11 is provided with an encoder 11a. The encoder 11a detects the rotation speed of the hoisting machine 11, and is provided in the hoisting machine 11 as a movement amount detecting means for detecting the movement amount of the riding basket 2. Such an encoder 11a is connected to the elevator control device 12, and the detected rotation speed information of the hoisting machine 11 is transmitted to the elevator control device 12.

<Elevator control device 12>
The elevator control device 12 includes an operation control unit 12a and a notification control unit 100a. Of these, the operation control unit 12a is for controlling the operation of the elevator 1, such as driving the hoisting machine 11 for raising and lowering the riding car 2, and opening and closing the basket door 2a provided on the riding car 2. .. Such an operation control unit 12a further includes an encoder 11a and a landing based on signals from a call button (not shown) provided on the outside of the landing door 1c and an operation button (not shown) provided inside the boarding basket 2. The operation control of the elevator 1 is performed with reference to the signal from the door switch 1d.

Further, the notification control unit 100a, which will be described in detail below, constitutes the landing door safety device 100 and controls the operation of a plurality of notification units 5 provided in the hoistway 1a.

The elevator control device 12 provided with such an operation control unit 12a and a notification control unit 100a is composed of a computer such as a microcomputer. The computer includes a CPU (Central Processing Unit), a ROM (Read Only Memory), and a RAM (Random Access Memory). Further, the computer includes an input unit composed of a buffer circuit.

<< Configuration of landing door safety device 100 >>
Next, the configuration of the landing door safety device 100 will be described. The landing door safety device 100 includes a plurality of notification units 5 provided in the hoistway 1a and a notification control unit 100a composed of a part of the elevator control device 12 in the machine room 1b. The notification control unit 100a and the plurality of notification units 5 are connected by a common power supply line Pw and individual signal lines Sw. The details of these components are as follows.

<Notification unit 5>
The notification unit 5 is provided corresponding to each of the landing floors F. Here, it is assumed that these notification units 5 have marking specifications, for example. It is assumed that such notification units 5 are provided on the inner wall of the hoistway 1a at a position facing the landing door 1c of each landing floor F with the display surface facing the landing door 1c side. .. Further, it is preferable that each notification unit 5 is provided at a position facing each landing floor F in consideration of the height of the line of sight of the worker who opens the landing door 1c.

FIG. 2 is a plan view of the notification unit 5 of the elevator landing door safety device according to the embodiment. As shown in this figure, each notification unit 5 has a sign specification including two display units. The two display units provided in the notification unit 5 are a safety display unit 5a and a danger display unit 5b. Each of these display units is, for example, a lighting tool using LED lighting, and the notification control unit 100a individually controls lighting and extinguishing of each of these display units.

Of these, the safety display unit 5a is a part for notifying information for recognizing safety, and it is intuitively recognized that it is safe to get into the upper part of the riding basket 2 in the lit state. Perform the display. The safety display unit 5a emits, for example, green light as such a display. On the other hand, the danger display unit 5b is a part for notifying information for recognizing the danger, and it is intuitively recognized that it is dangerous to get into the upper part of the riding basket 2 in the lit state. Perform the display. The danger display unit 5b emits, for example, red light as such a display.

<Notification control unit 100a>
FIG. 3 is a block diagram for explaining the notification control unit 100a. The notification control unit 100a shown in this figure is for controlling the operation of the notification unit 5 described above, and is the landing door state detection unit 101, the ride basket stop position detection unit 102, the calculation unit 103, and the operation control unit 104. It has. The details of these components are as follows.

[Platform door condition detection unit 101]
The landing door state detection unit 101 is connected to the landing door switch 1d and the operation control unit 12a. Based on the information acquired from the landing door switch 1d and the operation control unit 12a, the landing door state detection unit 101 detects that the landing door 1c has opened without following the car door 2a of the boarding car 2.

[Riding basket stop position detection unit 102]
The ride basket stop position detection unit 102 is connected to the encoder 11a and the landing door state detection unit 101. When the landing door state detecting unit 101 detects that the landing door 1c has opened without following the car door 2a, the riding car stop position detecting unit 102 of the riding car 2 based on the signal from the encoder 11a. Detect the stop position.

[Calculation unit 103]
The calculation unit 103 is connected to the ride car stop position detection unit 102. The calculation unit 103 calculates the height difference between each landing floor F and the riding car 2 based on the stopping position of the riding car 2 detected by the riding car stop position detecting unit 102. The height difference calculated here is, for example, the height difference between the floor surface of each landing floor F and the ceiling surface of the stopped riding car 2.

[Operation control unit 104]
The operation control unit 104 is connected to the calculation unit 103 and each notification unit 5. The operation control unit 104 is safe for workers from each landing floor F to the upper part of the stopped car 2 based on the height difference between each landing floor F and the car 2 calculated by the calculation unit 103. Determine if boarding is possible.

The operation control unit 104 determines whether or not boarding is possible depending on whether or not the height difference between each landing floor F calculated by the calculation unit 103 and the boarding basket 2 is within a preset allowable range of height difference. Will be done. The permissible range of the height difference is the range of the height difference at which it is considered that the worker can safely get on the ceiling surface of the boarding basket 2 from the landing floor F. The operation control unit 104 makes such a determination for each landing floor F.

According to such a determination, it is determined that, for example, only one landing floor F among the plurality of landing floors F is a landing floor F on which workers can safely board. The operation control unit 104 may determine that all the landing floors F are not landing floors on which workers can safely board. Specifically, when the boarding car 2 is stopped at the uppermost landing floor F4, it is determined that it is not possible for workers to safely board the operation control unit 104 and the landing floors F1 to F4. Further, when the riding basket 2 is stopped at an intermediate portion between the landing floors (for example, the landing floor F1 and the landing floor F2) adjacent to the top and bottom, the operation control unit 104 determines the operation control unit 104 depending on the stop position and the allowable range of the height difference. It may be determined that it is not possible for workers to board safely on all of the landing floors F1 to F4.

Then, according to this determination, the operation control unit 104 controls the operation of the notification unit 5 provided corresponding to each landing floor F all at once and individually. Next, the operation pattern of the notification unit 5 controlled by the operation control unit 104 will be described.

FIG. 4 is a plan view showing an operation pattern of the notification unit 5, and is an operation pattern of each notification unit 5 controlled by the operation control unit 104. Of these, FIG. 4A is a normal operation pattern, FIG. 4B is a safety notification pattern, and FIG. 4C is a danger notification pattern.

The normal operation pattern of FIG. 4A is an operating state of the notification unit 5 when the elevator is normally operating. In this case, the two display units provided in the notification unit 5 are in a state in which both the safety display unit 5a and the danger display unit 5b are turned off, and the operation of the notification unit 5 is stopped. .. When the elevator is in normal operation, the operation control unit 104 displays all the notification units 5 in the normal operation pattern all at once.

The safety notification pattern of FIG. 4B is an operating state of the notification unit 5 provided on the landing floor F where the calculation unit 103 determines that the worker can safely board. In this safety notification pattern, of the two display units provided in the notification unit 5, the safety display unit 5a is turned on and the danger display unit 5b is turned off. The operation control unit 104 causes the notification unit 5 of at most one landing floor F among the plurality of landing floors F to display the safety notification pattern.

The danger notification pattern of FIG. 4C shows the operating state of the notification unit 5 provided in the calculation unit 103 corresponding to all the landing floors F other than the landing floor F where it is determined that the worker can safely board. Is. In this danger notification pattern, of the two display units provided in the notification unit 5, the safety display unit 5a is turned off and the danger display unit 5b is turned on.

The operation control unit 104 causes all the notification units 5 to simultaneously display the safety notification pattern shown in FIG. 4B or the danger notification pattern shown in FIG. 4C.

<< How to drive the landing door safety device 100 >>
FIG. 5 is a flowchart illustrating a method of driving the elevator landing door safety device according to the embodiment. The driving method shown in this flowchart is a procedure for operating the notification unit 5 carried out by the notification control unit 100a described with reference to FIG. 3, for example, opening the landing door 1c in an emergency including maintenance and inspection work. This is a procedure for calling attention to the workers who get into the upper part of 2. Hereinafter, a method of driving the landing door safety device 100 will be described with reference to FIGS. 1 to 4 with reference to the flowchart of FIG.

<Step S1>
In step S1, the riding car stop position detecting unit 102 determines whether or not the riding car 2 has stopped based on the information from the encoder 11a. Then, when it is determined that the riding basket 2 has stopped (YES), the process proceeds to step S2, and this determination is repeated until it is determined that the riding basket 2 has stopped (YES). In this state, all the notification units 5 of the landing door safety device 100 are in the state of the normal operation pattern shown in FIG. 4A, and both the safety display unit 5a and the danger display unit 5b are turned off. , The operation is stopped.

<Step S2>
In step S2, the landing door state detection unit 101 determines, based on the information from the operation control unit 12a and the landing door switch 1d, whether or not any of the landing doors 1c has opened without following the basket door 2a. .. If it is determined that the landing door 1c is open (YES), the process proceeds to the next step S3. On the other hand, if it is determined that it is not open (NO), the process returns to step S1.

<Step S3>
In step S3, the ride basket stop position detection unit 102 is determined from the encoder 11a that any one of the landing doors 1c has opened (YES) without following the basket door 2a in step S2. The stop position of the riding basket 2 is detected based on the signal.

<Step S4>
In step S4, the calculation unit 103 determines the height difference between the floor surface of the landing floor F and the ceiling surface of the riding basket 2 for all the landing floors F based on the stop position of the riding car 2 detected in step S3. Is calculated.

<Step S5>
In step S5, the operation control unit 104 executes the notification unit operation processing for each notification unit 5 based on the calculation result in step S4. FIG. 6 is a flowchart illustrating the notification unit operation process. The notification unit operation process shown in this flowchart is a process that is simultaneously and individually performed for the notification unit 5 on each landing floor F, and is performed as follows.

[Step S501]
In step S501, whether or not the operation control unit 104 can safely board the worker from the landing floor F to the upper part of the boarding basket 2 based on the calculation result in step S4 for each landing floor F. Judge whether or not you can board. At this time, the operation control unit 104 determines whether or not the height difference calculated for each landing floor F is within the allowable range of the preset height difference. If it is within the permissible range, it is determined that boarding is possible (YES), and the process proceeds to step S502. On the other hand, if it is not within the permissible range, it is determined that boarding is not possible (NO), and the process proceeds to step S503.

[Step S502]
In step S502, the operation control unit 104 causes the notification unit 5 corresponding to the landing floor F to operate in the safety notification pattern shown in FIG. 4B, and turns off the danger display unit 5b. The safety display unit 5a for recognizing safety is turned on.

[Step S503]
On the other hand, in step S503, the operation control unit 104 causes the notification unit 5 corresponding to the landing floor F to operate in the danger notification pattern shown in FIG. 4C, and turns off the safety display unit 5a. Then, the danger display unit 5b for recognizing the danger is turned on.

FIG. 7 is a diagram (No. 1) for explaining the notification unit operation process, and shows, for example, a state in which the car 2 is stopped at the lowest landing floor F1. In this case, the operation control unit 104 determines that it is possible to board only the landing floor F2, which is one level higher than the boarding car 2 is stopped, and only the notification unit 5 provided corresponding to the landing floor F2. , The safety display unit 5a is turned on and the danger display unit 5b is turned off to carry out the operation in the safety notification pattern. Then, it is determined that the other landing floors F1, F3, and F4 cannot be boarded, and the danger display unit 5b is turned on and the safety display unit 5a is turned off. The notification unit operation processing by the operation control unit 104 is performed for each notification unit 5 all at once.

<Step S7>
Returning to FIG. 6 again, in step S7, the landing door state detection unit 101 determines whether or not all the landing doors 1c have been closed based on the information from the landing door switch 1d. If it is determined that all the landing doors 1c are closed (YES), the process proceeds to the next step S8. Then, this determination is repeated until it is determined to be closed (YES).

<Step S8>
In step S8, the operation control unit 104 stops the operation of all the notification units 5 all at once. As a result, all the notification units 5 are in the state of the normal operation pattern shown in FIG. 4A, and both the safety display unit 5a and the danger display unit 5b are turned off all at once.

<< Effect of the embodiment >>
According to the embodiment described above, the notification unit 5 of each landing floor F operates all at once while the car 2 is stopped. Therefore, whether or not the worker who has opened the landing door 1c can get on the boarding basket 2 from the landing floor F where the landing door 1c is opened regardless of which landing door 1c is opened. Can be intuitively recognized by lighting the notification unit 5 in front of the landing door 1c.

In this case, the safety display unit 5a lights up only in the notification unit 5 of the landing floor F where the passenger can get on the boarding car 2, and the danger display unit 5b lights up in the other notification units 5 of the landing floor F. Therefore, a worker who opens the landing door 1c without following the basket door 2a can turn on the notification unit 5 in front of the landing door 1c regardless of which landing door 1c is opened. It becomes possible to intuitively recognize whether or not it is possible to board the boarding basket 2 from the landing floor F where the door is opened. As a result, it is possible to prevent a worker from falling into the hoistway 1a, and it is possible to ensure maintenance and inspection of the elevator 1 and safety in an emergency.

Specifically, as shown in FIG. 7, a case where the boarding basket 2 is stopped at the landing floor F1 and the worker M opens the landing door 1c of the landing floor F2 on the first floor is illustrated. In this case, the worker M who opens the landing door 1c witnesses the lighting of the green safety display unit 5a, which is intuitively recognized as safe, almost at the same time when the landing door 1c is opened. As a result, the worker M can safely board the upper part of the riding basket 2 stopped at the landing floor F1 from the landing floor F2.

On the other hand, as shown in FIG. 8, the case where the boarding car 2 is stopped at the landing floor F1 and the worker M opens the landing door 1c of the uppermost landing floor F4 is illustrated. In this case, the worker M who has opened the landing door 1c witnesses the lighting of the red safety display unit 5a, which is intuitively recognized as dangerous, almost at the same time when the landing door 1c is opened. As a result, the worker M can instantly recognize that it is dangerous to get into the upper part of the car 2 from the landing floor F4.

Further, in particular, in the above-described embodiment, when the landing door 1c is opened without following the car door 2a of the riding car 2, the notification unit 5 is operated all at once. Therefore, it is possible to drive the landing door safety device 100 with low power consumption without operating the notification unit 5 unnecessarily.

≪Modification example≫
In the embodiment described above, it is assumed that the notification unit 5 has a sign specification having a safety display unit 5a that lights a green light and a danger display unit 5b that lights a red light. However, the notification unit 5 is not limited to such a configuration, and examples thereof include those having a configuration as shown in FIG. 9 or FIG.

FIG. 9 is a plan view (No. 1) showing a modified example of the notification unit 5. Of these, FIG. 9A is a normal operation pattern, FIG. 9B is a safety notification pattern, and FIG. 9C is a danger notification pattern. As shown in these figures, the safety display unit 5a may be a part that displays "maru" that makes it easy to intuitively recognize safety, and further, the display of "maru" displays a green light by lighting. It may be a part to be used. On the other hand, the danger display unit 5b may be a part that displays a “x” that makes it easy to intuitively recognize the danger, and further, the “x” display is a part that is displayed by lighting a red light. May be good. Similarly, a "walking person" or "stopping person" such as a traffic light may be displayed together with a color. In this way, by making the display of the notification unit 5 a display in which the design and the color are combined, it is possible to improve the ease of intuitive recognition of safety and danger.

FIG. 10 is a plan view (No. 2) showing a modified example of the notification unit. Of these, FIG. 10A is a normal operation pattern, FIG. 10B is a safety notification pattern, and FIG. 10C is a danger notification pattern. As shown in these figures, the notification unit 5 may be a display portion in which the safety display unit 5a and the danger display unit 5b are overlapped by arranging LED dots of different colors. As a result, the occupied area of the notification unit 5 of the sign specification can be reduced, and the visibility of the notification unit 5 from each landing floor F is hindered by other components of the elevator 1 housed in the hoistway 1a. It can be prevented from being damaged.

Further, FIG. 11 is a plan view (No. 3) showing a modified example of the notification unit. The notification unit 5'shown in this figure is of speaker specifications. In this case, it is assumed that the speaker specification notification unit 5'corresponding to each landing floor F is provided not in the hoistway 1a but in each landing floor F. As a result, the voice information from the notification unit 5'provided on each landing floor F is not mixed, and it is possible to accurately hear the voice notifying the safety or danger at each landing floor F.

Further, the notification unit 5'provided on each landing floor F is operated and controlled by the same notification control unit 100a as in the above-described embodiment in the same procedure, and from each landing floor F, the landing door of the landing floor F is controlled. It is assumed that voices notifying safety or danger are emitted all at once toward the 1c side. When such a notification unit 5'is used, the operator who opens the landing door 1c can surely notify the safety or danger without being disturbed by obstacles in the hoistway 1a of the elevator 1. It is possible to hear.

Further, in the embodiment described above, when it is detected that any one of the landing doors 1c opens without following the car door 2a of the boarding car 2, the plurality of notification units 5 are operated all at once. did. However, in the case of the notification unit 5 having the sign specifications shown in FIGS. 1 to 10, the simultaneous operation of the notification unit 5 may be performed in a state where the riding basket 2 is stopped without opening and closing the landing door 1c. ..

The present invention is not limited to the above-described embodiments and modifications, and further includes various modifications. For example, the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations. Further, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. Further, it is possible to add / delete / replace a part of the configuration of each embodiment with another configuration.

1,1'... Elevator 1a ... Hoistway 1c ... Landing door 2 ... Riding basket 2a ... Basket door 5,5' ... Notification unit 100,100' ... Landing door safety device 100a ... Notification control unit 101 ... Landing door condition detection unit 102 ... Riding car stop position detection unit 103 ... Calculation unit 104 ... Operation control unit F, F1, F2, F3, F4 ... Landing floor

Claims (11)

An elevator that is equipped with a plurality of notification units provided corresponding to each landing floor of the elevator and a notification control unit that controls the operation of the notification unit, and notifies whether or not the vehicle can be boarded from the landing floor to the upper part of the car. In the landing door safety device of
The notification unit notifies two types of information, that is, information for recognizing safety and information for recognizing danger.
The notification control unit is an elevator landing door safety device that simultaneously notifies each of the notification units of one of the two types of information when the car is stopped. The notification control unit
A riding car stop position detecting unit for detecting the stopping position of the riding car,
A calculation unit that calculates the height difference between the stop position of the ride basket detected by the ride basket stop position detection unit and the height position of each landing floor.
Based on the height difference calculated by the calculation unit, it was determined whether or not it was possible to board the upper part of the boarding basket from each of the landing floors, and it was determined that boarding was possible among the notification units. An operation control unit that notifies the notification unit provided corresponding to the landing floor of information for recognizing the safety, and notifies other notification units of information for recognizing the danger. The elevator landing door safety device according to claim 1, further comprising. The notification control unit
A landing door state detection unit for detecting that one of the landing doors provided on each landing floor has opened without following the car door of the car is provided.
When the operation control unit detects that one of the landing doors provided on each landing floor is opened without following the basket door by the landing door state detection unit, the notification unit The elevator landing door safety device according to claim 2, wherein the notification is carried out by. The elevator landing door safety device according to claim 1, wherein the notification unit is a sign that lights two types of displays. The elevator landing door safety device according to claim 4, wherein the notification unit lights a green light as information for recognizing the safety and turns on a red light as information for recognizing the danger. .. The elevator landing door safety device according to claim 4, wherein the notification unit is arranged in front of the landing door in the hoistway of the elevator. The elevator landing door safety device according to claim 1, wherein the notification unit is a speaker that emits two types of sounds. The notification unit is the elevator landing door safety device according to claim 7, which is provided on each landing floor. An elevator that is provided with a plurality of notification units provided corresponding to each landing floor of the elevator and a notification control unit that controls the operation of the notification unit, and notifies whether or not the vehicle can be boarded from the landing floor to the upper part of the car. In the driving method of the landing door safety device,
When the riding basket is stopped, one of two types of information, information for recognizing safety and information for recognizing danger, is simultaneously notified to each of the notification units. How to drive the elevator platform door safety device. Based on the height difference between the stop position of the boarding car and the height position of each landing floor, it is determined whether or not it is possible to board the upper part of the boarding car from each of the landing floors.
Of the notification units, the notification unit provided corresponding to the landing floor where it is determined that boarding is possible is notified of the information for recognizing the safety, and the other notification units are notified of the information. The method for driving an elevator landing door safety device according to claim 9, which notifies information for recognizing a danger. An elevator provided with the landing door safety device for the elevator according to any one of claims 1 to 8.

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