JPH05229772A - Elevator landing door lock condition inspection device - Google Patents

Abstract

PURPOSE:To inspect a landing door lock condition remotely by providing a control means to perform engagement of an electromagnetic engagement device with a landing door and its detection, detection by a non-distance detection means and a lock detection means, and inspection of lock by a locking device in response to a command from a monitor center. CONSTITUTION:For inspection of a lock condition of a landing door 31, a control device 11 is actuated by a command from a monitor center 9, an electromagnetic engagement device is protruded from a cage 2 stopped at a landing to be engaged with the landing door 31, their engagement is detected by an engagement detection sensor, the landing door 31 is moved with a cage door 2a which is opened by a door opening motor 2b provided on the cage 2 side, and the landing door 31 and a lock device having no horizontal distance between them is detected by a non-distance detection means. In the condition having no horizontal distance, the landing door 31 being locked by the lock device is detected by a lock detection means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock state inspection device for elevator hall doors, and more particularly to a lock state inspection device for elevator hall doors that remotely checks the lock state of elevator hall doors from a monitoring center.

[0002]

2. Description of the Related Art An elevator hall door is provided with a lock device. This lock device keeps the hall door locked at all times so that the hall door cannot be opened from the hall side to allow passengers to enter the hoistway. To prevent the fall accident. When the car has landed on the hall and the door opening / closing motor is installed on the side of the car to start the opening operation of the car door, the locked state between the lock device and the hall door is released, and the hall door is closed. It is designed to move with the car door and be opened.

As described above, in the elevator, the fact that the lock with the lock device for the landing door is normally performed directly affects the safety of the passenger, and therefore the check of the lock is an extremely important work. Conventionally, to perform this inspection work,
On the ceiling board of the car, two maintenance personnel ride on the ceiling board so that one maintenance engineer operates the car and the other maintenance personnel can check the entire locking device to perform the inspection. Located in. Then, the car is driven to the landing position by one of the maintenance personnel and brought into a stopped state, and the other maintenance staff is placed on the landing door locked by the locking device.
A force was applied in the opening direction to confirm that the hall door did not open, and the work of checking the lock state of the hall door lock device was being performed.

[0004]

The above-mentioned conventional inspection work for the locked state of the landing door requires two workers, which requires a lot of manpower. In addition, the inspection worker is dark and is in a hoistway with a lot of dust and oil. Therefore, it is necessary to apply force to the landing door in the opening direction on a bad scaffolding and confirm that the landing door is locked.It takes a long time to perform the inspection, and the inspection work is dangerous. It was a thing.

The present invention has been made in view of the current state of the work of inspecting the lock state of the elevator hall door lock device as described above, and its purpose is to remotely lock the hall door from the monitoring center. It is an object of the present invention to provide a lock state inspection device for an elevator hall door that can perform the inspection of the.

[0006]

In order to achieve the above object, the present invention has a door opening / closing motor mounted on a car side, having a lock device for locking a landing door, which has a predetermined horizontal interval and a hanging margin. An elevator hall door for checking the lock state of the lock device in an elevator in which the lock state of the lock device and the hall door is released when the car door is opened by the car door and the hall door is opened together with the car door In the lock state inspection device of, the car door is provided to be engageable with the landing door,
When the door opening / closing motor is activated, an electromagnetic engagement device that engages with the landing door, an engagement detection sensor that detects engagement by the electromagnetic engagement device, and the hall after detection by the engagement detection sensor From the monitoring sensor, a non-interval detecting means for detecting that the horizontal interval has disappeared due to the opening movement of the door, a lock detecting means for detecting that the landing door is locked after the horizontal interval disappears, and a monitoring sensor. , The engagement of the electromagnetic engagement device with the landing door, the detection of the engagement, the non-interval detection means and the lock detection means, to check the lock state of the locking device. And a control device for performing the operation.

[0007]

With this structure, when inspecting the locked state of the hall door, the control device is activated by a command from the monitoring center, and the electromagnetic engagement device projects from the side of the car stopped at the hall to engage with the hall door. After detection of the engagement by the engagement detection sensor, the hall door is moved together with the car door opened by the door opening / closing motor provided on the car side, and the hall door and the lock device are separated by the non-interval detection means. It is detected that the horizontal gap has disappeared. Then, when the horizontal gap disappears, the lock detection means detects that the hall door is locked by the lock device, and a highly accurate and reliable inspection of the lock state of the hall door of the elevator is remotely performed. Done.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Here, FIG. 1 is a front view showing a configuration of a main part of the embodiment, FIG. 2 is a block diagram showing an overall configuration of the embodiment, and FIGS. 3 and 4 are flowcharts showing an operation of the embodiment.

As shown in FIG. 2, a machine room 21 is provided continuously above the hoistway 20 formed along each of the halls F1 to Fn, and a pulley 22a arranged in the machine room 21 is provided. , 22b around which ropes 23 are wound, and at both ends of the ropes 23, the car 2 and the counterweight 24, respectively.
And are fixed. A hall door 31 is provided at each hall F1 to Fn.
~ 3n are provided, and the car 2 has a car door 2a.
And a door opening / closing motor 2b. Further, the machine room 21 is provided with a communication device 10, a control device 11, an elevator control circuit 1, and an engagement detection device 7, and the control device 1
1, the communication device 10 and the elevator control circuit 1 are connected so that signals can be exchanged, the engagement detection device 7 is connected to the control device 11, and the elevator control circuit 1 is connected to the engagement detection device 7. It is connected so that signals can be sent and received. The communication device 10 is connected to the monitoring center 9 via the communication line 8.

Referring to the nth floor hall as shown in FIG. 1, a lock device 4 is provided at each hall facing the hall door 3n, and a hook 5 is rotatably attached to the hall door 3n. The hook 5 is normally rotated by a pressurizer 25a equipped with a strong spring 25a in a direction to engage with the lock device 4, and the landing door 3n is kept locked with the lock device 4. And the car 2
When landing on the landing Fn and the car door 2a starts to move in the opening direction by the door opening / closing motor 2b, the cylinder of the pressurizer 25 moves against the spring force of the spring 25a and the hook 5 locks. The engagement with the device 4 is released, the hall door 3n moves together with the car door, and the elevator door opens. Further, in the normal engagement state, the horizontal gap G1 and the hanging allowance G2 shown in FIG. 1 are held between the lock device 4 and the hook 5, and the hook 5 is smoothly locked and engaged with the lock device 5. Further, the lock engagement is released. Further, the car door 2a is provided with an electromagnetic engagement device 6 that partially protrudes and engages with the car door when the car 2 is landed on the car land 3n. Match detection sensor 7
Is attached. Then, the control device 11 includes a non-interval detecting means for detecting that the horizontal gap G1 has disappeared,
There is provided lock detection means for detecting that the hall door is locked after the horizontal gap G1 disappears.

Next, the operation of the embodiment having such a configuration will be described.
This will be described with reference to the flowcharts of FIGS. 3 and 4.

In step S1 of the flowchart of FIG. 3, the communication device 10 determines whether or not a command to inspect the lock state of the hall door is issued from the monitoring center 9. If the determination is NO, the communication device 10 The control device 11 inputs a normal control signal to the elevator control circuit 1 in response to the notification from, and the elevator control circuit 1 operating by this normal control signal performs normal control on the elevator in step S14. If the determination in step S1 is YES, an inspection command is input from the communication device 10 to the elevator control circuit 1 via the control device 11, and this inspection command causes the car 2 to move to the top floor hall 3n in step S2. Then, the process proceeds to step S3, and it is determined whether or not the car 2 has landed on the floor 3n.

If the determination in step S3 is YES, the process proceeds to step S4, and a part of the electromagnetic engagement device 6 projects so as to be engageable with the landing door 3n in response to a command from the control device 11, and the door is opened and closed in step S5. The motor 2b is started in the opening direction.
By this activation, a part of the electromagnetic engagement device 6 is moved to the hall door 3
It is determined in step S6 whether or not the hall door 3n is moved by engaging with n, and if the determination is YES, in step S7, the engagement detection sensor 7 is activated by a command from the control device 11, and Proceed to S8 and land 3
It is determined whether or not n has moved and the horizontal gap G1 has become zero. If the determination in step S8 is YES, the specified time counting is performed in step S9, and if it is determined that the time has been counted up in step S10, the process proceeds to step S11, and the door opening / closing motor 2a is driven to be fully opened. Then, in step S12, the car door 2a
And the landing door 3n are fully opened. Then, the process proceeds to step S13, and it is determined whether or not the inspection is completed for the halls on all floors. If the determination is YES, the process returns to step S1, and if the determination is NO, the car is It moves to the next floor and returns to step S3.

When the determination in step S6 is NO, the electromagnetic engagement device 6 and the landing door 3n are engaged with each other so that the landing door 3n is engaged.
Does not move, it is detected by the overload detector of the door opening / closing motor 2a that the predetermined horizontal interval G1 is not set, and in step S15 the floor is written in the memory of the control device 11, In step S16, the car door 2a and the hall door 3n are reversed, and the process proceeds to step S12 where the car door 2a and the hall door 3n are fully opened. Further, in step S8, the landing door 3
When n moves and the horizontal gap G1 does not become no gap, it means that the hanging margin G2 does not exist. Therefore, in step S15, the floor is written in the memory of the control device 11, and in step S16, the car door 2a and the hall The door 3n is reversed, and the process proceeds to step S12 to fully open the car door 2a and the hall door 3n.

As described above, according to the embodiment, the lock state of the hall door 3n with the lock device 4 is automatically inspected by a command from the monitoring center 9, and the lock state of the hall door 3n can be inspected with high reliability. It is done accurately and quickly. At the same time, if the horizontal gap G1 and the hanging allowance G2 set between the lock device 4 and the hook 5 of the hall door 3n are not appropriate, the fact is detected and stored, and the lock state of the hall door 3n with the lock device 4 is accurately determined. Is checked.

[0016]

As described above, according to the present invention, the electromagnetic engagement device is engaged with the landing door when the door opening / closing motor is activated by the command from the monitoring center, and this engagement is detected by the engagement detection device. After detecting the engagement, the hall door is moved open after detecting the engagement, and the non-interval detecting means detects that the prescribed horizontal gap between the lock device and the hook of the hall door has disappeared,
After the horizontal gap disappears, the lock detection means detects that the hall door is locked, so that the lock state of the hall door can be accurately detected remotely and the specified horizontal level between the hall door and the lock device can be detected. It is also possible to check the interval and hanging margin.

[Brief description of drawings]

FIG. 1 is a front view showing a configuration of a main part of an embodiment of the present invention.

FIG. 2 is a block diagram showing the overall configuration of an embodiment of the present invention.

FIG. 3 is a flowchart showing the first half of the operation of the exemplary embodiment of the present invention.

FIG. 4 is a flowchart showing a latter half of the operation of the exemplary embodiment of the present invention.

[Explanation of symbols]

 1 Elevator control circuit 2 Car 2a Car door 2b Door opening / closing motor 31,3n Landing door 4 Lock device 5 Hook 6 Electromagnetic engagement device 7 Engagement detection sensor 9 Monitoring center 10 Communication device 11 Control device

Claims (1)

[Claims] 1. A lock device for locking a landing door, which has a predetermined horizontal interval and a hanging allowance, and when a car door is opened by a door opening / closing motor attached to the car side,
In the lock state inspection device for the elevator landing door, the lock state of the lock device and the landing door is opened, and the landing door is inspected for the lock state of the locking device in the elevator that is opened together with the car door.
An electromagnetic engagement device that is provided on the car door so as to be engageable with the hall door and that engages with the hall door when the door opening / closing motor is activated, and a member that detects engagement by the electromagnetic engagement device. A match detection sensor, a non-interval detection means for detecting that the horizontal gap has disappeared due to the opening movement of the hall door after detection by the engagement detection sensor, and the hall door after the horizontal gap disappears. Lock detection means for detecting that the vehicle is locked, and a command from the monitoring center to engage the landing door of the electromagnetic engagement device, detect the engagement, detect the non-interval detection means, and A lock state inspection device for an elevator landing door, comprising: a control device that detects the lock state by the lock detection means and inspects the lock state of the lock device.