WO2006112194A1

WO2006112194A1 - Elevator controller

Info

Publication number: WO2006112194A1
Application number: PCT/JP2006/304483
Authority: WO
Inventors: Kunikazu Koura
Original assignee: Mitsubishi Denki Kabushiki Kaisha
Priority date: 2005-04-08
Filing date: 2006-03-08
Publication date: 2006-10-26
Also published as: EP1867595A4; KR20070088521A; CN101018726A; JP2006290509A; EP1867595A1

Abstract

[PROBLEMS] Disasters such as earthquakes are occurring frequently and when a disaster occurs, an elevator is landed on an evacuation floor or a closest floor and after rescue operation is performed, the elevator is brought into door closed suspension state for the purpose of safety. When the elevator is brought into door closed operation suspension state, an action is required to deal with passengers who have failed to escape from the elevator cage and are confined in the cage. [MEANS FOR SOLVING PROBLEMS] The elevator controller comprises a passenger detecting means for detecting the presence of a passenger in the elevator cage when door closed operation suspension state sustains over a predetermined time or longer under a state where the elevator cage is landing on a predetermined floor, an announcement originating means for originating an announcement for urging a passenger in the elevator cage to get off after the passenger is detected in the elevator cage by the passenger detecting means, and a door control means for opening the door of the elevator cage forcibly after the announcement for urging the passenger to get off is originated from the announcement originating means.

Description

Specification

Elevator control device

Technical field

[0001] The present invention relates to an elevator control device.

Background art

[0002] JP-A 2000-1 43110 (Patent Document 1), JP-A-6-1555 (Patent Document 2), and JP No. 200 3 -246558 (Patent Document 3) is known. Patent Document 1 discloses an elevator abnormality notification device that announces that a passenger is trapped when it is determined that a passenger is locked in the car. Patent Document 2 discloses an elevator-operated driving device that detects a passenger in a power cage and opens the door if a power call is not registered even after a predetermined time has elapsed and reports that an abnormality has occurred in the car. Yes. Further, Patent Document 3 discloses an elevator announcement device that can make announcements at a volume suitable for the surrounding environment.

[0003] Patent Document 1: Japanese Unexamined Patent Publication No. 2000-143110

Patent Document 2: JP-A-6-1555

Patent Document 3: Japanese Patent Laid-Open No. 2003-246558

Disclosure of the invention

Problems to be solved by the invention

[0004] In recent years, disasters such as earthquakes have occurred frequently. When disasters occur, rescue operation is performed to land the elevator on the evacuation floor or the nearest floor, and then the elevator is closed and closed for safety. I have to. In this way, when the elevator enters the door-closed operation suspension state, it is necessary to cope with the case where passengers who have escaped from the elevator car force have become trapped. However, in the above-mentioned Patent Documents 1, 2, and 3, no correspondence is disclosed in any of the documents.

Means for solving the problem

[0005] An elevator control device according to the present invention is an elevator that raises and lowers an elevator car in response to a call registration signal of either a hall call registration device or a car call registration device. This is a one-way control device that detects the presence or absence of passengers in the elevator car when the door operation is stopped for a predetermined time or longer with the elevator power landing on a predetermined floor. Passenger detecting means, an announcement issuing means for making a get-off prompting announcement prompting the passenger in the elevator car to get off after the passenger detecting means detects a passenger in the elevator car, and the announcement issuing means Is provided with a door control means for forcibly opening the doors of the elevator car after making the announcement to get off the vehicle.

The invention's effect

[0006] According to the elevator control device of the present invention, the passenger in the elevator car gets off from the elevator power for some reason after the elevator car has landed on a predetermined floor during a rescue operation in the event of a disaster. Passenger detection means that detects the presence or absence of passengers in the elevator car by the passenger detection means even if the passenger is late, but the passenger detection means detects the passengers and then announces passengers to get off the vehicle After the announcement means and the announcement means announce the getting-off promotion announcement, it is equipped with door control means that forcibly opens the doors of the elevator car, so it is possible to avoid confinement and improve safety. The best mode for carrying out the invention has the effect of preventing long-term boarding, such as suspicious persons, children, and elderly people

Hereinafter, Embodiment 1 of the present invention will be described with reference to the drawings.

In the drawings, the same reference numerals indicate the same or corresponding parts.

[0008] Embodiment 1.

First, an elevator control system for controlling the raising and lowering of the elevator according to the first embodiment will be described with reference to FIG.

FIG. 2 is a system configuration diagram showing the elevator control device 100.

In FIG. 2, 1 is a motor that drives an elevator car, 2 is a pulse encoder that is attached to the motor 1 and detects the rotation of the motor 1, and 4 is a pulse width modulation (hereinafter referred to as “PWM”) unit 3006 described later. Gate signal generation circuit that generates a gate signal according to the PWM command, 5 is the power supply, 6 is the output of the power supply 5 according to the output of the gate signal generation circuit 4 7 is a power circuit that supplies power to motor 1 while switching, 7 is a sheave that rotates in synchronization with motor 1, 8 is an elevator car that is connected to rope 11 and moves up and down as sheave 7 rotates, 9 Is a counterweight combined with the other of rope 11.

The elevator car 8 is provided with an annunciator device 80 for notifying passengers in the elevator car 80, a scale device 81 for detecting the load in the elevator car, a camera (described later), a force call registration device 82, etc. ing. The car call registration device 82, the announcement device 80, and the scale device 81 are connected to the elevator control circuit 3 via the transmission line 12. Next, 10 is a hall call registration device RSa to RSn equipped with hall call registration buttons, and performs hall call registration control on each floor. These hall call registration devices RSa to RSn are also connected to the elevator control circuit 3 via the transmission line 12.

The elevator control circuit 3 includes an elevator control unit 30 and a transmission interface 31. The transmission interface 31 includes the hall call registration device 10 and the devices 80, 90, 91 in the elevator car 8. Controls transmission.

FIG. 3 is a block diagram showing the elevator control unit 30. In FIG. 3, the same components as those in FIG. 2 are denoted by the same reference numerals.

The elevator control unit 30 includes a central processing unit (hereinafter referred to as a CPU) 3001 as a control means for performing various arithmetic processes, a pulse count unit 3004 for counting the pulse output of the pulse encoder 2, and a CPU control program. ROM3005 to store, 2-port RAM3003 to exchange data with the transmission interface 31, RAM3002 to store CPU calculation data, etc., and PWM command to control the elevator car 8 ascending / descending according to CPU calculation results And a PWM unit 3006 that outputs

Next, the operation of the elevator control unit 30 configured as described above will be described.

When a call registration is generated from the car call registration device 82 or the hall call registration device 10, this is read into the 2-port RAM 3003 via the transmission line 12 and the transmission interface 31. In response to this call registration signal, the CPU 3001 reads a predetermined speed pattern (speed command) from the ROM 3005.

The pulse count unit 3004 is a pulse encoder that rotates in synchronization with the rotation of the motor 1. The CPU 3001 calculates the position of the car and the rotation speed of the motor 1 based on the count value of the pulse count unit 3004, and the rotation speed of the motor 1 at each position point is calculated as above. Control to follow the speed pattern.

The program for this operation is stored in the ROM3005.

The PWM unit 3006 outputs a PWM command corresponding to the speed pattern command value, and the gate signal generation circuit 4 outputs a gate signal according to the PWM command.

The program for this operation is also stored in the ROM 3005.

The power circuit 6 supplies a power output to the motor 1 while switching according to the gate signal.

In this way, the elevator car 8 moves up and down by controlling the rotational speed of the motor 1.

Next, the main part in Embodiment 1 is demonstrated based on FIG.1 and FIG.4.

FIG. 1 is a block diagram for each SZW function of the elevator control unit 30, and FIG. 4 is a flowchart for realizing the S ZW function block of FIG. 1. This program is stored in the ROM 3005.

In FIG. 1, 301 is a load detecting means in the elevator car, and detects the load in the elevator car 8 based on the weighing signal WH from the weighing device 81. Reference numeral 302 denotes in-car image detecting means for detecting passengers in the car by a camera image PT from a camera (not shown) mounted in the elevator car 8. 303 is an elevator operation mode detection means, which detects that the elevator has shifted to the door-closed operation stop state without any direction.

304 is a pseudo confinement detection means. In general, the situation where the elevator car 8 stops in a non-landing state and the passengers are trapped is referred to as a confined state.In Embodiment 1, the elevator car 8 is landed on a predetermined floor. It is intended for situations in which passengers do not get off or are unable to get off due to delays in getting off, etc. This state is called pseudo confinement, and the passenger is called pseudo confinement passenger. The pseudo confinement detection means 304 does not get out of the car due to a delay in getting out of the car based on detection signals from the car load detection means 301 or the car image detection means 302 and the elevator operation mode detection means 303. Detects false confinement customers remaining in force. 306 is pseudo-confinement Based on the announcement ringing command from the detection means 304, it is an announcement issuing means for issuing an unveiling promotion announcement ANE for encouraging passengers to get off. 305 is a pseudo confinement detecting means 304, an announcement issuing means 306 and a car door control device (not shown).

) Is a door control means for outputting a door opening command signal DOI for opening the door of the elevator car 8 based on the door opening request signal DOR from the door opening control signal, for example, a door opening / closing means.

Next, the operation of the CPU in the first embodiment will be described with reference to FIG.

In FIG. 4, in step 41, it is determined whether or not the elevator has stopped operating for a predetermined time (60 seconds in this example). Here, the elevator operation stop state means a state in which the elevator is in a non-directional door stop operation stop state, or a rescue operation in which the elevator is landed on the evacuation floor or the nearest floor in the event of a disaster. After that, for safety, the elevator is in a door-closed operation suspension state, meaning that the customer can no longer use it.

If the elevator operation is not suspended for more than the specified time, the result of step 41 is NO, and the process proceeds to step 48 to continue normal operation.

If the elevator operation stop state continues for a predetermined time or more, the determination result in step 41 is YES, and the process proceeds to step 42 to determine whether there is a passenger in the elevator car 8. In step 42, for example, it is determined whether or not the predetermined value of the scale detection value is 30 kg or more. Here, even if a camera is installed in the force elevator car 8 to determine the presence or absence of passengers in the elevator car 8 based on the value detected by the scale, the presence or absence of passengers can be determined using the power image PT or a combination of these. Yeah!

If the scale detection value is less than the predetermined value, the determination result in step 42 is NO because there is no passenger in the elevator car, and the operation proceeds to step 49 to continue the operation stop state. If the scale detection value is equal to or greater than the specified value, it is assumed that there are passengers in the elevator car 8, the determination result in step 42 is YES, and the process proceeds to step 43, in which an announcement is made to prompt the passenger to get off the vehicle. Notification ANE, for example, “Please press the door open button” is announced, and if the door open button light and the car interior light are turned off in step 44, the light is turned on.

In step 45, it is determined whether or not the door open button in the elevator car 8 is pressed. If it is pressed, the determination result in step 45 is YES, and the process proceeds to step 46. Open the elevator basket 8 and announce in step 47 “Please get off when the door opens”.

If the door open button is not pressed, the determination result in step 45 is NO, and it is determined whether a predetermined time (for example, 60 seconds) has elapsed in step 50. If not, step 45 is repeated.

If it is determined in step 50 that the predetermined time or more has elapsed, the determination result in step 50 is YES, and it is determined that the passenger in the elevator car 8 cannot perform the operation for getting off the vehicle. At 51, elevator car 8 is opened, and at step 52 “Boo Xn” is announced.

Announcement in Step 52: Announcement announcement to encourage passengers to get out of the car It is a caution announcement ANC to notify that there is a possibility of a condition.

[0013] As described above, since it was configured to issue a get-off promotion announcement to encourage passengers who got late from the power to get off the vehicle, in the event of a disaster operation, Even if the elevator lands on the evacuation floor or the nearest floor, even if the passengers are late, they can avoid the pseudo confinement.

In addition, even if passengers in the rickshaw are unable to get off from the rickshaw for some reason, it is configured to forcibly open the doors when certain conditions are met, thus improving safety. In addition, it has the effect of preventing long-term rides such as suspicious 'children' and elderly people.

Brief Description of Drawings

FIG. 1 is a block diagram for each SZW function of the elevator control apparatus according to Embodiment 1 of the present invention.

FIG. 2 is a system configuration diagram showing the elevator control apparatus in Embodiment 1 of the present invention.

FIG. 3 is a block diagram showing an elevator control apparatus in Embodiment 1 of the present invention.

4 is a flowchart for realizing the SZW functional block of FIG. Explanation of symbols

1 Motor 2 No encoder

3 Elevator control circuit 30 Elevator control unit

31 Transmission interface

4 Gate signal generator 5 Power supply

6 Power circuit 7 Sheave

8 Elevator power 80 Announcement device

81 Weighing device 82 Car call registration device

9 Balance weight

10 hall call registration device RSa -RSn 11 rope

12 Transmission line 3001 Central processing unit (CPU)

3002 RAM 3003 2 port RAM

3004 No-count unit 3005 ROM

3006 PWM unit

301 In-car load detection means 302 In-car image detection means

303 Elevator operation mode detection means ₃₀₄ Pseudo confinement detection means

305 Door control means 306 Announcement notification means

Claims

The scope of the claims

[1] An elevator control device that raises and lowers an elevator car in response to a call registration signal of a landing call registration device and a car call registration device!

Passenger detection means for detecting the presence or absence of passengers in the elevator car when the elevator car has landed on a predetermined floor and the door-closed operation is stopped for a predetermined time or longer.

Announcement issuing means for making an announcement to prompt a passenger to get off the passenger in the elevator car after the passenger detecting means detects a passenger in the elevator car; and

An elevator control device, comprising: door control means for forcibly opening the elevator power door after the announcement issuing means makes the getting-off promotion announcement.

[2] The elevator control device according to claim 1, wherein after the rescue operation for landing the elevator ladder on a predetermined floor is completed in the event of a disaster, the door-closing operation suspension state continues for a predetermined time or more. Sometimes, the passenger detection means detects the presence or absence of passengers in the elevator car.

[3] The elevator control device according to claim 1, wherein after the passenger detecting means detects a passenger in the elevator car, a door opening button in the elevator car is operated. And the door control means forcibly opens the door of the elevator car.

[4] The elevator control device according to claim 1, wherein after the passenger detection means detects a passenger in the elevator car, the door opening button in the elevator car is not operated for a predetermined time. The elevator control device characterized in that the door control means forcibly opens the door of the elevator car when the time has elapsed.

[5] The elevator control device according to claim 1, wherein the door control means opens the door of the elevator car when a predetermined time or more has elapsed after the announcement issuing means performs the getting-off promotion announcement. Elevator control device characterized by forcibly opening 2. The elevator control device according to claim 1, wherein the announcement issuing means issues a caution announcement to the outside of the elevator car when a predetermined time or more has elapsed after performing the above-mentioned getting-off announcement. Elevator control device characterized by performing.