JPH04235882A - Control device for elevator - Google Patents

Abstract

PURPOSE:To obtain a control for operating an elevator safely and reliably, by rescuing passengers in the case that the elevator is out of order, and to provide satisfaction at security of buildings, etc., and safe operation of the elevator. CONSTITUTION:When an elevator comes out of order, a cage is operated to a nearest floor, and a judgment part 10 judges whether or not a cage is stopped at a service floor and passengers are present in the cage. Based on the judgment results by the judgment part 10, an elevator control part 12 will output a door open prohibition command signal and a rescue command signal, if it receives such judgment results that the cage is stopped at the service floor and the passengers are present in the cage. An elevator door control part 13 receives the door open prohibition command signal, etc., from the elevator control part 12 to control the opening and closing of the door. A rescue signal transmitting part 14 receives a rescue command signal from the elevator control part 12 and transmits a rescue signal for rescue of the passengers.

Description

[Detailed description of the invention]

[Purpose of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator control system for carrying out a rescue operation when an elevator malfunctions.

0002

[Prior Art] In buildings and other buildings that use elevators, for the sake of elevator operation efficiency or building security, operations are carried out with floors that make it impossible to register calls (non-service floor operations). ) When an elevator breaks down, a conventional elevator control device that performs
Even if the floor is a non-service floor, how to open and close the elevator door, and if the nearest floor is a non-service floor, that floor will be operated through, The method used was to open and close the elevator doors.

0003

[Problems to be Solved by the Invention] The conventional elevator control device described above does not have many problems in normal buildings, but it has various problems in buildings where security is a priority. Ta.

For example, when an elevator breaks down, even if the nearest floor is a non-service floor, when the elevator is brought to the floor and the elevator doors are opened and closed, passengers in the elevator car Although it is a non-service floor, it is possible to get off to the landing, so it is especially important for buildings where security is a top priority, such as financial or precious metal stores on non-service floors. There was a problem.

[0005] Also, when an elevator breaks down, the nearest floor may be out of service.
If the elevator is on a service floor, the elevator must pass through a non-service floor, drive to the nearest service floor, land on the service floor, and then open and close the elevator door. The elevator may be forced to drive an unexpectedly long distance, placing a heavy burden on elevator equipment and control equipment, and sometimes leading to the worst situation where the elevator stops mid-operation. There was a problem.

Therefore, the present invention aims to provide a control system for an elevator that satisfies both security and safe operation of the elevator without losing the purpose of safe and reliable rescue of passengers when the elevator malfunctions. The purpose is to provide a control device. [Structure of the invention]

[0007]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides an elevator control device that operates the car to the nearest floor when the elevator breaks down. determining means for determining the presence or absence of a passenger and whether the car stopping position is on a service floor; and when the determining means determines that the car stopping position is not on a service floor, issuing a door opening prohibition command; outputting a signal, and when the determining means determines that the car stopping position is not on a service floor and that a passenger is inside the car, outputting the door opening prohibition command signal and rescuing the passenger inside the car; an elevator control unit that outputs a rescue command signal for the elevator; an elevator door control unit that controls opening and closing of the elevator door based on the command signal of the elevator control unit; A control device for an elevator is provided, which includes a rescue signal issuing section that issues the rescue signal based on a command signal from the control section.

[0008]

[Operation] In the elevator control device configured as described above,
When an elevator breaks down, the car is operated to the nearest floor, and the determining means determines whether the stopped position of the elevator is on a service floor, and also determines whether there is a car inside the elevator car. . Based on the determined determination result, the elevator control section outputs a door opening prohibition command signal to the elevator door control section when the stopped position of the elevator is not a service floor. In addition, when the elevator stops at a location other than a service floor and there are passengers in the car, the elevator control unit sends a rescue command signal to request rescue of the passenger, in addition to a door opening prohibition command signal. Outputs a command signal to the rescue signal issuing section. The elevator door control unit receives the door opening prohibition command signal from the elevator control unit and controls the opening and closing of the elevator doors, and the rescue signal issuing unit receives the rescue command signal and issues a rescue signal. By issuing an alarm, it is possible to ensure safe and reliable rescue of passengers, safe operation of elevators, and security of buildings, etc.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an elevator control device according to an embodiment of the present invention.

[0010] The elevator control device has a car call button 1-A.
It is equipped with a car call detection section 2 that outputs a car call detection signal when any of the elevator safety switches 4-A to 4-Z is turned on. an external safety circuit operation detection section 5 that outputs a safety circuit operation signal when the problem occurs; Call detection section 2, external safety circuit operation detection section 5, and internal safety circuit operation detection section 6
The input/output section 3 receives detection signals from each of the input and output sections. In addition, the elevator non-service floor command button 7-
It is equipped with a non-service floor detection section 8 that outputs a non-service floor detection signal of the elevator when any one of A to 7-Z is turned on, and the non-service floor detection section 8 outputs a non-service floor detection signal of the elevator. It is provided with a non-service floor signal input/output section 9 which receives a non-service floor detection signal as input. Furthermore, the elevator car position signal from the elevator car position detection device 16 and the detection signals from the car call detection section 2, the external safety circuit operation detection section 5, and the internal safety circuit operation detection section 6 are inputted. A storage unit 11 that stores the output signal from the input/output unit 3 and the non-service floor signal output from the non-service floor detection signal input/output unit 9, and a determination unit 10 that makes a determination based on the information in the storage unit 11. and the determination unit 10
an elevator control section 12 that controls the operation of the elevator based on judgment information of the above and information stored in the storage section 11; and an elevator control section 12 that controls the opening/closing operation of elevator doors based on signals from the elevator control section 12. A door control section 13, a rescue signal issuing section 14 that inputs a rescue command signal when there is a passenger trapped in the elevator car, and a failure signal issuing section 14 that inputs a failure command signal when the elevator malfunctions. section 15, and an emergency signal detection section 17 that outputs an emergency signal in the event of a disaster.

The input/output section 3, non-service floor signal input/output section 9, determination section 10, storage section 11, and elevator control section 12 are composed of a microcomputer, and the car call detection section 2, The external safety circuit operation detection section 5, the internal safety circuit operation detection section 6, the non-service floor detection section 8, the elevator car position detection device 16, and the emergency signal detection device 17 serve as input buffers for the microcomputer, and The output section 3 and the non-service floor signal input/output section 9 serve as input/output buffers for transmitting and receiving signals. In addition, the storage unit 11 is RAM or EEP-R.
The determining section 10 and the elevator control section 12 are constructed of a writable memory element such as an OM, and the determining section 10 and the elevator control section 12 are constructed of a controller equipped with a P-ROM that stores program data. Furthermore, the elevator door control section 13, rescue signal issuing section 14, and failure signal issuing section 15 control the output signals of the microcomputer to operate relays, contactors, etc. for actual elevator operation. The elevator car position detection device 16 is composed of a detection circuit that detects the actual elevator car position using a pulse generator or the like. Next, the operation of the elevator control device configured as described above will be explained.

[0012] In the elevator control device, the input/output section 3
inputs the safety circuit operation signal and abnormality signal from the external safety circuit operation detection section 5 and the internal safety circuit operation detection section 6, and the car call detection signal from the car call detection section 2. The input/output unit 3, which receives the safety circuit operation signal, abnormality signal, and car call detection signal, outputs a failure detection signal indicating the failure state of the elevator and a car call signal indicating which floor the call has been registered. , and sent to the storage unit 11. Further, the non-service floor signal input/output section 9 inputs the non-service floor detection signal from the non-service floor detection section 8 . The non-service floor signal input/output unit 9 that receives the non-service floor detection signal outputs a non-service floor signal indicating which floor is a non-service floor, and sends it to the storage unit 11. . Furthermore, the storage unit 11 receives a car position signal from the elevator car position detection device 16. Storage part 1
1, when a failure detection signal is input, the failure detection signal and the stored data signals of the car call signal, non-service floor detection signal, and car position signal are sent to the determination unit 10. Judgment part 1
0, when data signals such as a failure detection signal, car call signal, non-service floor signal, and car position signal are input, it determines whether there is a major failure based on the failure detection signal, and also determines whether there is a major failure or not. Based on the floor signal and car position signal, it is determined whether the car stopping position is on a service floor, and furthermore, the presence or absence of passengers in the car is determined based on the car call signal. The determination result determined by the determination section 10 is output to the elevator control section 12. The elevator control unit 12 issues an emergency stop command when the determination unit 10 determines that the elevator is in serious failure, and issues an operation command to the nearest floor when it is determined that the elevator is not in serious failure. emanate. Further, if the determination unit 10 determines that the elevator stop position is not on a service floor, the elevator control unit 12 outputs a door opening prohibition command signal and indicates that the elevator stop position is on a service floor. If it is determined that this is the case, a door opening command signal is output and sent to the elevator door control section 13. The elevator door control unit 13 performs opening/closing control of the elevator doors based on command signals such as a door opening prohibition command signal and a door opening command signal. Further, the elevator control unit 12 outputs a rescue command signal when the determination unit 10 determines that the elevator stop position is not a service floor and that there is a passenger in the car. If it is determined that there are no passengers in the car, a failure command signal is output and sent to the failure signal generation unit 15. When the rescue signal issuing section 14 and the failure signal issuing section 15 receive a rescue command signal and a failure command signal, respectively, they issue a rescue signal and a failure signal, and notify a security guard of an alarm.

Here, when the failure detection signal is not input to the storage section 11, the car call signal, non-service floor signal, and car position signal are sent directly to the elevator control section 12 via the storage section 11. , you will be driving normally. Further, the emergency signal detection device 17 detects an emergency situation and outputs an emergency signal to the elevator control section 12. Elevator control unit 1
2, when an emergency signal is input, the emergency signal is processed with the highest priority, the elevator is operated to the nearest floor, and a door opening command is output to the elevator door control section 13. Furthermore, the operation of the elevator control device having the above-mentioned configuration will be explained using the flowchart shown in FIG. 2.

As shown in the flowchart of FIG. 2, first, the presence or absence of the safety circuit operation is detected based on the detection signals from the external safety circuit operation detection section 5 and the internal safety circuit operation detection section 6 (step 1) If the safety circuit is not operating, operate normally (Step 2); if the safety circuit is operating, it is determined that the elevator is malfunctioning (Step 3). It is determined whether the failure is a major failure (for example, the governor is operating due to the balance weight coming out of the level) or a minor failure (an abnormality in the microcomputer program due to noise, etc., non-operation of a switch, mischief operation, etc.) (step 4). If a major failure is determined, the elevator will be brought to an emergency stop (
Step 5). Next, the elevator car position detection device 16 determines whether the stopped position is within the door zone (step 6), and when the stopped position of the elevator is within the door zone, the stopped position is within the door zone. It is determined whether or not the floor is a service floor based on the information in the storage unit 11 (step 7).
). When the floor where the elevator has stopped is not a service floor, the elevator control unit 12 outputs a door opening prohibition command (step 8), and when it is a service floor, a door opening command is output (step 9). ), the output signal is sent to the elevator door control section 3, and the opening/closing operation of the door is controlled. Further, based on the information transmitted by the input/output section 3, the comparison/determination section 10 determines the presence or absence of a car call signal (step 10), and sends the determination information to the elevator control section 12. When there is a car call signal, the elevator control section 12 sends a rescue command signal to the rescue signal issuing section 14, and a rescue signal is issued (step 11). In step 7, if the floor where the elevator stopped is a service floor, or in step 10
When it is determined that there is no car call signal, a failure command signal is sent to the failure signal issuing section 15, and a failure signal is issued (step 12). Here, if it is determined in step 6 that the position where the elevator stopped is outside the door zone, the process advances to step 10 and the same processing as described above is performed. If it is determined in step 4 that there is no major failure, the elevator car is operated to the nearest floor (step 13), and it is determined whether the elevator is operating as instructed. (Step 14). If it is determined that the elevator is not being operated as instructed, the process proceeds to step 5 where it is brought to an emergency stop and the process described above is performed. When it is determined that the elevator is operating as instructed, it is determined whether the elevator has landed at the nearest floor (step 15). If it is determined that the elevator has not landed at the nearest floor, the process returns to step 14 and the same process is performed. If it is determined in step 15 that the elevator has landed at the nearest floor, it is determined whether normal operation is possible (step 16), and if normal operation is possible, the elevator continues to operate. The process continues (step 2), and if normal operation is not possible, the process proceeds to step 7, where processing is performed in the order described above. If an emergency signal issued in the event of a disaster is input to the elevator control unit 12 during the above signal processing, the emergency signal will be processed with priority, and the elevator will land at the nearest floor and return to the non-serviced floor. The doors are designed to open automatically regardless of whether they are on a floor or not, in order to rescue passengers.

As described above, it is possible to determine whether the signal is a rescue signal or a failure signal by determining the state of the elevator when it is out of order, the detection of non-service floors, and the presence or absence of passengers in the elevator car. This system is effective from the viewpoint of safety in elevator operation and building security by automatically outputting the following information and preventing elevator doors from automatically opening from the car side on non-service floors. becomes. In addition, if the failure is not serious, the elevator that has been put into failure mode due to a mischievous operation can be restarted, so this is an effective control device in terms of operational efficiency.

[0016] In the above embodiment, a rescue signal and a failure signal are output, but the rescue signal can be linked to a communication system such as an intercom to call a security guard, or if the security guard is absent. If there is no response after a certain period of time, using a telephone line and reporting to the maintenance company can give the passengers in the elevator car a sense of security. Furthermore, by using a voice synthesizer to broadcast information that the door cannot be opened for security reasons and that a rescue signal is issued to request rescue, it will give passengers an even greater sense of security and enable reliable rescue. Become.

[0017]

[Effects of the Invention] According to the present invention, when an elevator breaks down, the elevator car is first operated to the nearest floor, and it is determined whether the floor where the car stopped is a service floor or not. By determining the presence or absence of passengers, and when it is determined that the floor where the car stopped is not a service floor and there are passengers, a rescue command signal and a door opening prohibition command signal are issued, ensuring safety and reliability for passengers. It is possible to provide an elevator control device that performs controlled operation that satisfies both security and safe operation of the elevator without losing the purpose of rescue.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an elevator control device that is an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of an elevator control device according to an embodiment of the present invention.

[Explanation of symbols]

10... Judgment unit, 12... Elevator control unit, 13... Elevator door control unit, 14... Rescue signal issuing unit

Claims (1)

[Claims] Claim 1: In an elevator control device that guides a car to the nearest floor when the elevator is out of order, the presence or absence of a passenger in the car and whether the car stop position is a service floor is provided. and a determining means for determining that the car stopping position is not on a service floor, outputting a door opening prohibition command signal when the determining means determines that the car stopping position is not on a service floor; an elevator control unit that outputs the door opening prohibition command signal and a rescue command signal for rescuing the passenger in the car when it is determined that the passenger is inside the car; an elevator door control section that controls opening and closing of the elevator door based on a command signal from the control section; and a rescue signal generator that issues the rescue signal based on the command signal from the elevator control section. An elevator control device having a reporting section.