JP2013252930A - Elevator apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator apparatus which can give higher priority to a door closing command issued by an operation of a door closing button provided in a cage than to a detection signal of a noncontact door sensor, and can reliably prevent a passenger from being caught in an elevator door.SOLUTION: An elevator door 7 includes a detection sensor such as a multibeam door sensor 11 which detects foreign matters by a noncontact system. Additionally, a door closing button 18, and an attention calling means such as a vibration device 27, a buzzer 28 or an attention call lamp 29 are provided in a cage 2. When the door closing button 18 is operated by a passenger in a state that the multibeam door sensor 11 detects the foreign matter, an elevator control panel 10 drives the attention call means, and notifies the passenger who operates the door closing button 18 that the foreign matter is detected by the multibeam door sensor 11.

Description

  The present invention relates to an elevator apparatus, and more particularly to a technique for preventing a passenger from being caught in an elevator door.

  Elevator equipment is installed with a non-contact type door sensor, such as a multi-beam door sensor, that detects the presence or absence of foreign matter in a non-contact manner at or near the elevator door as a device to prevent passengers from being caught in the elevator door. This is conventionally known. Elevator equipment equipped with non-contact type door sensor can detect passengers approaching the elevator door and passengers located on the opening / closing path of the elevator door as foreign objects, thus preventing the passenger from being caught in the elevator door. can do. However, on the other hand, if a fire breaks out in the building and the elevator hall is full of smoke, the non-contact door sensor detects the smoke as a foreign object. There is a risk of inconvenience that the movement of the camera is delayed.

  Therefore, as a means to prevent repeated opening of the door by detecting the smoke that has been filled, in a general elevator system, even when a non-contact type door sensor detects a foreign object, the door closing button provided in the car is used. The door closing operation is performed with priority.

  In addition, a cancel button is provided inside the car so that the function of the door safety device by the light sensor can be easily lost in the event of a fire so that the door can be closed even if smoke enters. A technique for extinguishing the function of the optical sensor by an operation has also been proposed (see, for example, the summary of Patent Document 1). According to the technique described in Patent Document 1, since the function of the optical sensor can be eliminated by operating the cancel button, the door closing operation can be quickly performed by operating the door closing button provided in the car. Can move the car to another floor.

Japanese Patent Application Laid-Open No. 08-301561 (abstract)

  However, all the conventional elevator devices are configured to prioritize the door closing command by the operation of the door closing button provided in the car over the detection signal of the non-contact type door sensor. When a passenger is operating the door closing button without noticing other passengers getting on and off, door closing operation by the door closing button is given priority over foreign object detection by the non-contact type door sensor. There is a possibility of being caught between doors.

  The present invention has been made in view of such a state of the art, and can give priority to a door closing command by operating a door closing button provided in a car over a detection signal of a non-contact type door sensor, and an elevator. An object of the present invention is to provide an elevator apparatus that can reliably prevent a passenger from being caught in a door.

  In order to achieve the above-described object, the present invention is a non-contact type door sensor that is installed in or near an elevator door and detects the presence or absence of foreign matter in a non-contact manner, and an operation in a car for performing the opening / closing operation of the elevator door. Control of opening and closing of the elevator door based on the door opening button and door closing button provided on the panel, the detection signal of the non-contact type door sensor and the operation signal of the door opening button and the door closing button, and a car In an elevator apparatus comprising a control means for controlling the raising and lowering of the vehicle, a warning means for informing the passenger operating the door closing button in the car of the foreign object detection state by the non-contact type door sensor And when the foreign matter detection signal is output from the non-contact type door sensor and the door closing signal is output from the door closing button, And drives the alert means, said passenger operating the door-closing button, foreign object detection signal from said non-contact door sensor and wherein the notifying that it is output.

  According to the present invention, when the foreign object detection signal is output from the non-contact type door sensor and the door closing signal is output from the door closing button, the control means drives the alerting means and operates the door closing button. Passengers who are operating the door close button can be informed that there are passengers getting on and off, and passengers who are getting on and off. Can reduce the risk of being caught between doors.

1 is an overall configuration diagram of an elevator apparatus according to an embodiment. It is the block diagram seen from the passenger car of the elevator apparatus which concerns on Example 1. FIG. It is sectional drawing which shows the internal structure of the door closing button with which the elevator apparatus which concerns on Example 1 is equipped. It is a flowchart which shows the process sequence of the elevator apparatus which concerns on Example 1. FIG. It is the block diagram seen from the passenger car of the elevator apparatus which concerns on Example 2. FIG. 12 is a flowchart illustrating a processing procedure of the elevator apparatus according to the second embodiment. It is the block diagram seen from the passenger car of the elevator apparatus which concerns on Example 3. FIG. 12 is a flowchart illustrating a processing procedure of the elevator apparatus according to the third embodiment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an elevator apparatus according to the present invention are divided into examples, and each example will be described with reference to the drawings.

  As shown in FIG. 1, the elevator apparatus according to the first embodiment includes a car 2 and a counterweight 3 that move up and down a hoistway 1 formed in a building, and a rope 4 that connects the car 2 and the counterweight 3. Then, the intermediate part of the rope 4 is wound around, the hoisting machine 5 that drives the car 2 and the counterweight 3, and the elevator door 7 that is installed on the car 2 and opens and closes via the door driving device 6. A car control box 8 and an elevator control panel 10 installed in a machine room of the elevator and connected to the hoisting machine 5 and the car control box 8 through a signal line 9 are provided.

  As shown in FIG. 2, the elevator car 2 according to the first embodiment includes a combination of a number of light emitting elements and light receiving elements (not shown) at the open / close end of the elevator door 7. A multi-beam door sensor 11 for detecting the presence or absence of is provided. A large number of parallel lines in the figure indicate detection beams emitted from a light emitting element (not shown) toward a light receiving element (not shown). The front side plate 12 of the car 2 has a display 14 for displaying the state of the elevator device, a communication device 15 for contacting the outside in an emergency, a floor button 16 for registering a destination floor, and an elevator. A car operation panel 19 equipped with a door opening button 17 and a door closing button 18 for operating the door 7 is provided. In addition, the code | symbol 13 in FIG. 2 has shown the side surface board which comprises the passenger car 2. In FIG.

  As shown in FIG. 3, the door closing button 18 includes an operation unit 20 that is pressed by a passenger, a guide member 21 for guiding the operation unit 20, and a spring 22 for holding the operation unit 20 in a normal position. A light source 23 for illuminating the operation unit 20, a printed circuit board 25 on which a contact switch 24 operated by the operation unit 20 and the like are mounted, and a button case 26 for storing them are basically configured. In addition to this, the door closing button 18 of this example is provided with a vibration device 27 for vibrating the operation unit 20 when the contact switch 24 is switched.

  Hereinafter, the operation processing procedure of the elevator apparatus according to the first embodiment will be described with reference to the flowchart of FIG. The operation processing of the elevator apparatus according to the first embodiment described below is performed based on a command signal output from the elevator control panel 10.

  First, in step S1, it is determined whether or not the car 2 is stopped in the door opening / closing area, and if it is determined that the car 2 is outside the door opening / closing area, the process proceeds to step S6 and the multi-beam door sensor is detected. 11 is set to a non-operating state.

  If it is determined in step S1 that the car 2 is stopped in the door openable / closable area, it is determined in step S2 whether or not the multibeam door sensor 11 has detected a foreign object, that is, a foreign object detection signal from the multibeam door sensor 11. It is determined whether or not is output. If it is determined in step S2 that the multi-beam door sensor 11 has not detected a foreign object, the operation of the door closing button 18 by the passenger or the elapse of a certain time after the door opening is completed, the process proceeds to step S7, and the elevator door 7 is the door closed state. The door closing speed at this time is a normal speed.

  When it is determined in step S2 that the multi-beam door sensor 11 has detected a foreign object, the process proceeds to step S3, and it is determined whether or not the door closing button 18 is operated. When it determines with the door closing button 18 not being operated by step S3, it transfers to step S8 and will be in a door open state according to the detection signal of the multi-beam door sensor 11. FIG.

  When it determines with the door closing button 18 being operated by step S3, it transfers to step S4, starts the vibration apparatus 27, and alerts the passenger who is operating the door closing button 18. FIG. Next, the process proceeds to step S5, and it is determined whether or not the door closing button 18 is continuously operated after alerting. When it determines with the door closing button 18 not being operated by step S5, it transfers to step S9 and will be in a door open state according to the detection signal of the multi-beam door sensor 11. FIG.

  If it is determined in step S5 that the door closing button 18 continues to be operated even after alerting, the process proceeds to step S10, and the operation of the door closing button 18 is performed even when the multi-beam door sensor 11 detects a foreign object. The elevator door 7 is closed with priority. At this time, the elevator control panel 10 switches the door closing speed of the elevator door 7 to a lower speed than the normal door closing speed.

  According to the configuration of the first embodiment, even when the passenger in the car operates the door closing button 18 without noticing that there are passengers getting on and off, the door closing button 18 is vibrated so that passengers in the car Since attention can be drawn, passengers can be prevented from being caught in the elevator door 7. In addition, when the passenger in the car continues to operate the door closing button 18 after alerting, the door closing speed of the elevator door 7 is switched to a low speed, so that the risk of passengers can be reduced. Furthermore, even when the smoke is filled with fire or the like and the multi-beam door sensor 11 detects smoke, the elevator door 7 can be quickly closed by continuing to press the door closing button 18, so that safety in the event of a fire Sex can be maintained.

  FIG. 5 shows a car of the elevator apparatus according to the second embodiment. As shown in FIG. 5, in the elevator apparatus according to the second embodiment, the multi-beam door sensor 11 detects a foreign object to a passenger who operates the door closing button 18 instead of the configuration including the vibration device 27 in the door closing button 18. A buzzer 28 for notifying that the vehicle is running is provided on the upper part of the front side plate 12 of the car 2. Since others are the same as those of the elevator apparatus according to the first embodiment, the same reference numerals are assigned to the corresponding parts, and the description thereof is omitted.

  Hereinafter, the operation processing procedure of the elevator apparatus according to the second embodiment will be described with reference to the flowchart of FIG. The operation processing of the elevator apparatus according to the second embodiment described below is also performed based on a command signal output from the elevator control panel 10.

  First, in step S11, it is determined whether or not the car 2 is stopped in the door opening / closing area. If it is determined in step S11 that the car 2 is outside the door opening / closing area, the process proceeds to step S16. Then, the multi-beam door sensor 11 is set to a non-operating state.

  If it is determined in step S11 that the car 2 is stopped in the door openable / closable area, the process proceeds to step S12 to determine whether the multi-beam door sensor 11 has detected a foreign object. If it is determined in step S12 that the multi-beam door sensor 11 has not detected a foreign object, the operation of the door closing button 18 by the passenger or the elapse of a certain time after the door opening is completed, the process proceeds to step S17, and the elevator door 7 is the door closed state. The door closing speed at this time is a normal speed.

  If it is determined in step S12 that the multi-beam door sensor 11 has detected a foreign object, the process proceeds to step S13, and it is determined whether or not the door closing button 18 is operated. When it determines with the door closing button 18 not being operated by step S13, it transfers to step S18 and will be in a door open state according to the detection signal of the multi-beam door sensor 11. FIG.

  When it determines with the door closing button 18 being operated by step S13, it transfers to step S14, the buzzer 28 is sounded, and the alert to the passenger who is operating the door closing button 18 is performed. Next, the process proceeds to step S15, and it is determined whether or not the door closing button 18 is continuously operated after alerting. When it determines with the door closing button 19 not being operated by step S15, it transfers to step S19 and will be in a door open state.

  If it is determined in step S15 that the door closing button 18 has been operated even after alerting, the process proceeds to step S20, and even if the multi-beam door sensor 11 detects a foreign object, the operation of the door closing button 18 is given priority. Thus, the elevator door 7 is closed. At this time, the elevator control panel 10 switches the door closing speed of the elevator door 7 to a lower speed than the normal door closing speed.

  According to the configuration of the second embodiment, even when the passenger in the car operates the door closing button 18 without noticing that there are passengers getting on and off, the buzzer 28 is sounded to pay attention to the passengers in the car. Since it can be aroused, the passenger can be prevented from being caught in the elevator door 7. In the second embodiment, the buzzer 28 installed in the car 2 is sounded. Instead, the car 2 is provided with an audio device such as a speaker, and a voice announcement is used to alert the passenger. It can also be set as the structure which performs. About effects other than pinching prevention, it is equivalent to the elevator apparatus which concerns on Example 1. FIG.

  FIG. 7 shows a car of the elevator apparatus according to the third embodiment. As shown in FIG. 7, the elevator apparatus according to the third embodiment is different from the configuration in which the vibration device 27 is provided in the door closing button 18 (Example 1) or the configuration in which the buzzer 28 is provided in the car 2. A warning light buzzer 29 for notifying a passenger who operates the closing button 18 that the multi-beam door sensor 11 detects a foreign object is provided on the upper portion of the front side plate 12 of the car 2. Since others are the same as those of the elevator apparatus according to the first and second embodiments, the same reference numerals are assigned to the corresponding portions, and description thereof is omitted.

  Hereinafter, the operation processing procedure of the elevator apparatus according to the third embodiment will be described with reference to the flowchart of FIG. The operation process of the elevator apparatus according to the third embodiment described below is also performed based on a command signal output from the elevator control panel 10.

  First, in step S21, it is determined whether or not the car 2 is stopped in the door opening / closing area. If it is determined in step S11 that the car 2 is outside the door opening / closing area, the process proceeds to step S26. Then, the multi-beam door sensor 11 is set to a non-operating state.

  If it is determined in step S21 that the car 2 is stopped in the door openable / closable area, the process proceeds to step S22, and it is determined whether or not the multi-beam door sensor 11 detects a foreign object. If it is determined in step S22 that the multi-beam door sensor 11 has not detected a foreign object, the operation of the door closing button 18 by the passenger or the elapse of a certain time after completion of the door opening waits for step S27 to proceed to the elevator door. 7 is the door closed state. The door closing speed at this time is a normal speed.

  When it is determined in step S22 that the multi-beam door sensor 11 has detected a foreign object, the process proceeds to step S23, and it is determined whether or not the door closing button 18 is operated. If it is determined in step S23 that the door closing button 18 is not operated, the process proceeds to step S28, and the door is opened according to the detection signal of the multi-beam door sensor 11.

  If it is determined in step S23 that the door closing button 18 is being operated, the process proceeds to step S24, the warning light 29 is turned on, and the passenger who is operating the door closing button 18 is alerted. . Next, the process proceeds to step S25, and it is determined whether or not the door closing button 18 is continuously operated after alerting. If it is determined in step S25 that the door closing button 18 has not been operated, the door is opened as shown in step S29.

  If it is determined in step S25 that the door closing button 18 has been operated even after alerting, the process proceeds to step S30, and the operation of the door closing button 18 is given priority even if the multi-beam door sensor 11 detects a foreign object. Thus, the elevator door 7 is closed. At this time, the elevator control panel 10 switches the door closing speed of the elevator door 7 to a lower speed than the normal door closing speed.

  According to the configuration of the third embodiment, even when the passenger in the car operates the door closing button 18 without noticing that there is a passenger in and out of the car, the warning light 29 is turned on, and the passenger in the car Therefore, it is possible to prevent the passenger from being caught in the elevator door 7. About effects other than pinching prevention, it is equivalent to the elevator apparatus which concerns on Example 1,2.

  In the above-described embodiment, the vibration device 27, the buzzer 28, or the warning light 29 is provided alone as a warning means for passengers, but the gist of the present invention is not limited thereto. It can also be set as the structure provided with the some alerting means selected from these.

  1: hoistway, 2: passenger car, 3: counterweight, 4: rope, 5: hoist, 6: door drive, 7, elevator door, 8: car control box, 9: signal line, 10: Elevator control panel, 11: multi-beam door sensor, 12: front side plate, 13: side side plate, 14: indicator, 15: communication device, 16: floor button, 17: door open button, 18: door close button, 19: In-car operation panel, 20: operation unit, 21: guide, 22: spring, 23: light source, 24: contact switch, 25: printed circuit board, 26: button case, 27: vibration device, 28: buzzer, 29: alert light

Claims (2)

A non-contact type door sensor that is installed in or near the elevator door and detects the presence or absence of foreign matter in a non-contact manner, and a door opening button and a door closing button provided on the operation panel in the car for opening and closing the elevator door And an elevator that controls the opening and closing of the elevator door based on the detection signal of the non-contact type door sensor and the operation signal of the door opening button and the door closing button, and also controls the raising and lowering of the car In the device
In the car, comprising a warning means for notifying the passenger operating the door closing button of the detection state of foreign matter by the non-contact door sensor,
When the foreign matter detection signal is output from the non-contact type door sensor and the door closing signal is output from the door closing button, the control means drives the alerting means and operates the door closing button. An elevator apparatus characterized in that a passenger is notified that a foreign object detection signal is output from the non-contact door sensor.   As the alerting means, a vibration device that vibrates the operation part of the door closing button, a buzzer that rings in the car, and an announcement that performs voice guidance through a speaker provided in the car or in the car operation panel The elevator apparatus according to claim 1, further comprising at least one of a warning light that is turned on in the passenger car and the car.

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